예제 #1
0
파일: main.py 프로젝트: tletnes/calibre
class Preferences(QDialog):

    run_wizard_requested = pyqtSignal()

    def __init__(self, gui, initial_plugin=None, close_after_initial=False):
        QDialog.__init__(self, gui)
        self.gui = gui
        self.must_restart = False
        self.do_restart = False
        self.committed = False
        self.close_after_initial = close_after_initial

        self.resize(930, 720)
        nh, nw = min_available_height() - 25, available_width() - 10
        if nh < 0:
            nh = 800
        if nw < 0:
            nw = 600
        nh = min(self.height(), nh)
        nw = min(self.width(), nw)
        self.resize(nw, nh)

        geom = gprefs.get('preferences dialog geometry', None)
        if geom is not None:
            self.restoreGeometry(geom)

        # Center
        if islinux:
            self.move(gui.rect().center() - self.rect().center())

        self.setWindowModality(Qt.ApplicationModal)
        self.setWindowTitle(__appname__ + ' - ' + _('Preferences'))
        self.setWindowIcon(QIcon(I('config.png')))
        self.l = l = QVBoxLayout(self)

        self.stack = QStackedWidget(self)
        self.bb = QDialogButtonBox(QDialogButtonBox.Close
                                   | QDialogButtonBox.Apply
                                   | QDialogButtonBox.Discard
                                   | QDialogButtonBox.RestoreDefaults)
        self.bb.button(self.bb.Apply).clicked.connect(self.accept)
        self.bb.button(self.bb.Discard).clicked.connect(self.reject)
        self.bb.button(self.bb.RestoreDefaults).setIcon(
            QIcon(I('clear_left.png')))
        self.bb.button(self.bb.RestoreDefaults).clicked.connect(
            self.restore_defaults)
        self.wizard_button = self.bb.addButton(_('Run Welcome &wizard'),
                                               self.bb.ActionRole)
        self.wizard_button.setIcon(QIcon(I('wizard.png')))
        self.wizard_button.clicked.connect(self.run_wizard,
                                           type=Qt.QueuedConnection)
        self.wizard_button.setAutoDefault(False)
        self.bb.rejected.connect(self.reject)
        self.browser = Browser(self)
        self.browser.show_plugin.connect(self.show_plugin)
        self.stack.addWidget(self.browser)
        self.scroll_area = QScrollArea(self)
        self.stack.addWidget(self.scroll_area)
        self.scroll_area.setWidgetResizable(True)

        self.setContextMenuPolicy(Qt.NoContextMenu)
        self.title_bar = TitleBar(self)
        for ac, tt in [(self.bb.Apply, _('Save changes')),
                       (self.bb.Discard, _('Cancel and return to overview'))]:
            self.bb.button(ac).setToolTip(tt)

        l.addWidget(self.title_bar), l.addWidget(self.stack), l.addWidget(
            self.bb)

        if initial_plugin is not None:
            category, name = initial_plugin[:2]
            plugin = get_plugin(category, name)
            if plugin is not None:
                self.show_plugin(plugin)
                if len(initial_plugin) > 2:
                    w = self.findChild(QWidget, initial_plugin[2])
                    if w is not None:
                        for c in self.showing_widget.children():
                            if isinstance(c, QTabWidget):
                                idx = c.indexOf(w)
                                if idx > -1:
                                    c.setCurrentIndex(idx)
                                    break
        else:
            self.hide_plugin()

    def event(self, ev):
        if isinstance(ev, QStatusTipEvent):
            msg = re.sub(r'</?[a-z1-6]+>', ' ', ev.tip())
            self.title_bar.show_msg(msg)
        return QDialog.event(self, ev)

    def run_wizard(self):
        self.run_wizard_requested.emit()
        self.accept()

    def set_tooltips_for_labels(self):
        def process_child(child):
            for g in child.children():
                if isinstance(g, QLabel):
                    buddy = g.buddy()
                    if buddy is not None and hasattr(buddy, 'toolTip'):
                        htext = unicode_type(buddy.toolTip()).strip()
                        etext = unicode_type(g.toolTip()).strip()
                        if htext and not etext:
                            g.setToolTip(htext)
                            g.setWhatsThis(htext)
                else:
                    process_child(g)

        process_child(self.showing_widget)

    def show_plugin(self, plugin):
        self.showing_widget = plugin.create_widget(self.scroll_area)
        self.showing_widget.genesis(self.gui)
        self.showing_widget.initialize()
        self.set_tooltips_for_labels()
        self.scroll_area.setWidget(self.showing_widget)
        self.stack.setCurrentIndex(1)
        self.showing_widget.show()
        self.setWindowTitle(__appname__ + ' - ' + _('Preferences') + ' - ' +
                            plugin.gui_name)
        self.showing_widget.restart_now.connect(self.restart_now)
        self.title_bar.show_plugin(plugin)
        self.setWindowIcon(QIcon(plugin.icon))

        self.bb.button(self.bb.Close).setVisible(False)
        self.wizard_button.setVisible(False)
        for button in (self.bb.Apply, self.bb.RestoreDefaults,
                       self.bb.Discard):
            button = self.bb.button(button)
            button.setVisible(True)

        self.bb.button(self.bb.Apply).setEnabled(False)
        self.bb.button(self.bb.Apply).setDefault(False), self.bb.button(
            self.bb.Apply).setDefault(True)
        self.bb.button(self.bb.RestoreDefaults).setEnabled(
            self.showing_widget.supports_restoring_to_defaults)
        self.bb.button(self.bb.RestoreDefaults).setToolTip(
            self.showing_widget.restore_defaults_desc if self.showing_widget.
            supports_restoring_to_defaults else (
                _('Restoring to defaults not supported for') + ' ' +
                plugin.gui_name))
        self.bb.button(self.bb.RestoreDefaults).setText(_('Restore &defaults'))
        self.showing_widget.changed_signal.connect(self.changed_signal)

    def changed_signal(self):
        b = self.bb.button(self.bb.Apply)
        b.setEnabled(True)

    def hide_plugin(self):
        for sig in 'changed_signal restart_now'.split():
            try:
                getattr(self.showing_widget,
                        sig).disconnect(getattr(self, sig))
            except Exception:
                pass
        self.showing_widget = QWidget(self.scroll_area)
        self.scroll_area.setWidget(self.showing_widget)
        self.setWindowTitle(__appname__ + ' - ' + _('Preferences'))
        self.stack.setCurrentIndex(0)
        self.title_bar.show_plugin()
        self.setWindowIcon(QIcon(I('config.png')))

        for button in (self.bb.Apply, self.bb.RestoreDefaults,
                       self.bb.Discard):
            button = self.bb.button(button)
            button.setVisible(False)

        self.bb.button(self.bb.Close).setVisible(True)
        self.bb.button(self.bb.Close).setDefault(False), self.bb.button(
            self.bb.Close).setDefault(True)
        self.wizard_button.setVisible(True)

    def restart_now(self):
        try:
            self.showing_widget.commit()
        except AbortCommit:
            return
        self.do_restart = True
        self.hide_plugin()
        self.accept()

    def commit(self, *args):
        must_restart = self.showing_widget.commit()
        rc = self.showing_widget.restart_critical
        self.committed = True
        do_restart = False
        if must_restart:
            self.must_restart = True
            msg = _('Some of the changes you made require a restart.'
                    ' Please restart calibre as soon as possible.')
            if rc:
                msg = _('The changes you have made require calibre be '
                        'restarted immediately. You will not be allowed to '
                        'set any more preferences, until you restart.')

            do_restart = show_restart_warning(msg, parent=self)

        self.showing_widget.refresh_gui(self.gui)
        if do_restart:
            self.do_restart = True
        return self.close_after_initial or (must_restart and rc) or do_restart

    def restore_defaults(self, *args):
        self.showing_widget.restore_defaults()

    def on_shutdown(self):
        gprefs.set('preferences dialog geometry',
                   bytearray(self.saveGeometry()))
        if self.committed:
            self.gui.must_restart_before_config = self.must_restart
            self.gui.tags_view.recount()
            self.gui.create_device_menu()
            self.gui.set_device_menu_items_state(
                bool(self.gui.device_connected))
            self.gui.bars_manager.apply_settings()
            self.gui.bars_manager.update_bars()
            self.gui.build_context_menus()

    def accept(self):
        if self.stack.currentIndex() == 0:
            self.on_shutdown()
            return QDialog.accept(self)
        try:
            close = self.commit()
        except AbortCommit:
            return
        if close:
            self.on_shutdown()
            return QDialog.accept(self)
        self.hide_plugin()

    def reject(self):
        if self.stack.currentIndex() == 0 or self.close_after_initial:
            self.on_shutdown()
            return QDialog.reject(self)
        self.hide_plugin()
예제 #2
0
class Preferences(QDialog):

    def __init__(self, gui, initial_panel=None):
        QDialog.__init__(self, gui)
        self.l = l = QGridLayout(self)
        self.setLayout(l)
        self.setWindowTitle(_('Preferences for Edit book'))
        self.setWindowIcon(QIcon(I('config.png')))

        self.stacks = QStackedWidget(self)
        l.addWidget(self.stacks, 0, 1, 1, 1)

        self.categories_list = cl = QListWidget(self)
        cl.currentRowChanged.connect(self.stacks.setCurrentIndex)
        cl.clearPropertyFlags()
        cl.setViewMode(cl.IconMode)
        cl.setFlow(cl.TopToBottom)
        cl.setMovement(cl.Static)
        cl.setWrapping(False)
        cl.setSpacing(15)
        if get_lang()[:2] not in ('zh', 'ja'):
            cl.setWordWrap(True)
        l.addWidget(cl, 0, 0, 1, 1)

        self.bb = bb = QDialogButtonBox(QDialogButtonBox.StandardButton.Ok | QDialogButtonBox.StandardButton.Cancel)
        bb.accepted.connect(self.accept)
        bb.rejected.connect(self.reject)
        self.rdb = b = bb.addButton(_('Restore all &defaults'), bb.ResetRole)
        b.setToolTip(_('Restore defaults for all preferences'))
        b.clicked.connect(self.restore_all_defaults)
        self.rcdb = b = bb.addButton(_('Restore &current defaults'), bb.ResetRole)
        b.setToolTip(_('Restore defaults for currently displayed preferences'))
        b.clicked.connect(self.restore_current_defaults)
        self.rconfs = b = bb.addButton(_('Restore c&onfirmations'), bb.ResetRole)
        b.setToolTip(_('Restore all disabled confirmation prompts'))
        b.clicked.connect(self.restore_confirmations)

        l.addWidget(bb, 1, 0, 1, 2)

        self.resize(800, 600)
        geom = tprefs.get('preferences_geom', None)
        if geom is not None:
            QApplication.instance().safe_restore_geometry(self, geom)

        self.keyboard_panel = ShortcutConfig(self)
        self.keyboard_panel.initialize(gui.keyboard)
        self.editor_panel = EditorSettings(self)
        self.integration_panel = IntegrationSettings(self)
        self.main_window_panel = MainWindowSettings(self)
        self.preview_panel = PreviewSettings(self)
        self.toolbars_panel = ToolbarSettings(self)

        for name, icon, panel in [
            (_('Main window'), 'page.png', 'main_window'),
            (_('Editor settings'), 'modified.png', 'editor'),
            (_('Preview settings'), 'viewer.png', 'preview'),
            (_('Keyboard shortcuts'), 'keyboard-prefs.png', 'keyboard'),
            (_('Toolbars'), 'wizard.png', 'toolbars'),
            (_('Integration with calibre'), 'lt.png', 'integration'),
        ]:
            i = QListWidgetItem(QIcon(I(icon)), name, cl)
            i.setToolTip(name)
            cl.addItem(i)
            self.stacks.addWidget(getattr(self, panel + '_panel'))

        cl.setCurrentRow(0)
        cl.item(0).setSelected(True)
        w, h = cl.sizeHintForColumn(0), 0
        for i in range(cl.count()):
            h = cl.sizeHintForRow(i)
            cl.item(i).setSizeHint(QSize(w, h))

        cl.setMaximumWidth(cl.sizeHintForColumn(0) + 35)
        cl.setHorizontalScrollBarPolicy(Qt.ScrollBarPolicy.ScrollBarAlwaysOff)
        cl.setMinimumWidth(min(cl.maximumWidth(), cl.sizeHint().width()))

    @property
    def dictionaries_changed(self):
        return self.editor_panel.dictionaries_changed

    @property
    def snippets_changed(self):
        return self.editor_panel.snippets_changed

    @property
    def toolbars_changed(self):
        return self.toolbars_panel.changed

    def restore_all_defaults(self):
        for i in range(self.stacks.count()):
            w = self.stacks.widget(i)
            w.restore_defaults()

    def restore_current_defaults(self):
        self.stacks.currentWidget().restore_defaults()

    def restore_confirmations(self):
        changed = 0
        for key in tuple(tprefs):
            if key.endswith('_again') and tprefs.get(key) is False:
                del tprefs[key]
                changed += 1
            elif key.startswith('skip_ask_to_show_current_diff_for_'):
                del tprefs[key]
                changed += 1
        msg = _('There are no disabled confirmation prompts')
        if changed:
            msg = ngettext(
                'One disabled confirmation prompt was restored', '{} disabled confirmation prompts were restored', changed).format(changed)
        info_dialog(self, _('Disabled confirmations restored'), msg, show=True)

    def accept(self):
        tprefs.set('preferences_geom', bytearray(self.saveGeometry()))
        for i in range(self.stacks.count()):
            w = self.stacks.widget(i)
            w.commit()
        QDialog.accept(self)

    def reject(self):
        tprefs.set('preferences_geom', bytearray(self.saveGeometry()))
        QDialog.reject(self)
예제 #3
0
class Config(QDialog):
    '''
    Configuration dialog for single book conversion. If accepted, has the
    following important attributes

    output_format - Output format (without a leading .)
    input_format  - Input format (without a leading .)
    opf_path - Path to OPF file with user specified metadata
    cover_path - Path to user specified cover (can be None)
    recommendations - A pickled list of 3 tuples in the same format as the
    recommendations member of the Input/Output plugins.
    '''
    def __init__(self,
                 parent,
                 db,
                 book_id,
                 preferred_input_format=None,
                 preferred_output_format=None):
        QDialog.__init__(self, parent)
        self.setupUi()
        self.opt_individual_saved_settings.setVisible(False)
        self.db, self.book_id = db, book_id

        self.setup_input_output_formats(self.db, self.book_id,
                                        preferred_input_format,
                                        preferred_output_format)
        self.setup_pipeline()

        self.input_formats.currentIndexChanged[native_string_type].connect(
            self.setup_pipeline)
        self.output_formats.currentIndexChanged[native_string_type].connect(
            self.setup_pipeline)
        self.groups.setSpacing(5)
        self.groups.activated[(QModelIndex)].connect(self.show_pane)
        self.groups.clicked[(QModelIndex)].connect(self.show_pane)
        self.groups.entered[(QModelIndex)].connect(self.show_group_help)
        rb = self.buttonBox.button(self.buttonBox.RestoreDefaults)
        rb.setText(_('Restore &defaults'))
        rb.clicked.connect(self.restore_defaults)
        self.groups.setMouseTracking(True)
        geom = gprefs.get('convert_single_dialog_geom', None)
        if geom:
            self.restoreGeometry(geom)
        else:
            self.resize(self.sizeHint())

    def setupUi(self):
        self.setObjectName("Dialog")
        self.resize(1024, 700)
        self.setWindowIcon(QIcon(I('convert.png')))
        self.gridLayout = QGridLayout(self)
        self.gridLayout.setObjectName("gridLayout")
        self.horizontalLayout = QHBoxLayout()
        self.horizontalLayout.setObjectName("horizontalLayout")
        self.input_label = QLabel(self)
        self.input_label.setObjectName("input_label")
        self.horizontalLayout.addWidget(self.input_label)
        self.input_formats = QComboBox(self)
        self.input_formats.setSizeAdjustPolicy(
            QComboBox.AdjustToMinimumContentsLengthWithIcon)
        self.input_formats.setMinimumContentsLength(5)
        self.input_formats.setObjectName("input_formats")
        self.horizontalLayout.addWidget(self.input_formats)
        self.opt_individual_saved_settings = QCheckBox(self)
        self.opt_individual_saved_settings.setObjectName(
            "opt_individual_saved_settings")
        self.horizontalLayout.addWidget(self.opt_individual_saved_settings)
        spacerItem = QSpacerItem(40, 20, QSizePolicy.Expanding,
                                 QSizePolicy.Minimum)
        self.horizontalLayout.addItem(spacerItem)
        self.label_2 = QLabel(self)
        self.label_2.setObjectName("label_2")
        self.horizontalLayout.addWidget(self.label_2)
        self.output_formats = QComboBox(self)
        self.output_formats.setSizeAdjustPolicy(
            QComboBox.AdjustToMinimumContentsLengthWithIcon)
        self.output_formats.setMinimumContentsLength(5)
        self.output_formats.setObjectName("output_formats")
        self.horizontalLayout.addWidget(self.output_formats)
        self.gridLayout.addLayout(self.horizontalLayout, 0, 0, 1, 2)
        self.groups = QListView(self)
        sizePolicy = QSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
        sizePolicy.setHorizontalStretch(1)
        sizePolicy.setVerticalStretch(0)
        sizePolicy.setHeightForWidth(
            self.groups.sizePolicy().hasHeightForWidth())
        self.groups.setSizePolicy(sizePolicy)
        self.groups.setTabKeyNavigation(True)
        self.groups.setIconSize(QSize(48, 48))
        self.groups.setWordWrap(True)
        self.groups.setObjectName("groups")
        self.gridLayout.addWidget(self.groups, 1, 0, 3, 1)
        self.scrollArea = QScrollArea(self)
        sizePolicy = QSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
        sizePolicy.setHorizontalStretch(4)
        sizePolicy.setVerticalStretch(10)
        sizePolicy.setHeightForWidth(
            self.scrollArea.sizePolicy().hasHeightForWidth())
        self.scrollArea.setSizePolicy(sizePolicy)
        self.scrollArea.setFrameShape(QFrame.NoFrame)
        self.scrollArea.setLineWidth(0)
        self.scrollArea.setWidgetResizable(True)
        self.scrollArea.setObjectName("scrollArea")
        self.scrollAreaWidgetContents = QWidget()
        self.scrollAreaWidgetContents.setGeometry(QRect(0, 0, 810, 494))
        self.scrollAreaWidgetContents.setObjectName("scrollAreaWidgetContents")
        self.verticalLayout_3 = QVBoxLayout(self.scrollAreaWidgetContents)
        self.verticalLayout_3.setContentsMargins(0, 0, 0, 0)
        self.verticalLayout_3.setObjectName("verticalLayout_3")
        self.stack = QStackedWidget(self.scrollAreaWidgetContents)
        sizePolicy = QSizePolicy(QSizePolicy.Preferred, QSizePolicy.Preferred)
        sizePolicy.setHorizontalStretch(0)
        sizePolicy.setVerticalStretch(0)
        sizePolicy.setHeightForWidth(
            self.stack.sizePolicy().hasHeightForWidth())
        self.stack.setSizePolicy(sizePolicy)
        self.stack.setObjectName("stack")
        self.page = QWidget()
        self.page.setObjectName("page")
        self.stack.addWidget(self.page)
        self.page_2 = QWidget()
        self.page_2.setObjectName("page_2")
        self.stack.addWidget(self.page_2)
        self.verticalLayout_3.addWidget(self.stack)
        self.scrollArea.setWidget(self.scrollAreaWidgetContents)
        self.gridLayout.addWidget(self.scrollArea, 1, 1, 1, 1)
        self.buttonBox = QDialogButtonBox(self)
        self.buttonBox.setOrientation(Qt.Horizontal)
        self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel
                                          | QDialogButtonBox.Ok
                                          | QDialogButtonBox.RestoreDefaults)
        self.buttonBox.setObjectName("buttonBox")
        self.gridLayout.addWidget(self.buttonBox, 3, 1, 1, 1)
        self.help = QTextEdit(self)
        sizePolicy = QSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
        sizePolicy.setHorizontalStretch(0)
        sizePolicy.setVerticalStretch(0)
        sizePolicy.setHeightForWidth(
            self.help.sizePolicy().hasHeightForWidth())
        self.help.setSizePolicy(sizePolicy)
        self.help.setMaximumHeight(80)
        self.help.setObjectName("help")
        self.gridLayout.addWidget(self.help, 2, 1, 1, 1)
        self.input_label.setBuddy(self.input_formats)
        self.label_2.setBuddy(self.output_formats)
        self.input_label.setText(_("&Input format:"))
        self.opt_individual_saved_settings.setText(
            _("Use &saved conversion settings for individual books"))
        self.label_2.setText(_("&Output format:"))

        self.buttonBox.accepted.connect(self.accept)
        self.buttonBox.rejected.connect(self.reject)

    def sizeHint(self):
        desktop = QCoreApplication.instance().desktop()
        geom = desktop.availableGeometry(self)
        nh, nw = max(300, geom.height() - 100), max(400, geom.width() - 70)
        return QSize(nw, nh)

    def restore_defaults(self):
        delete_specifics(self.db, self.book_id)
        self.setup_pipeline()

    @property
    def input_format(self):
        return unicode_type(self.input_formats.currentText()).lower()

    @property
    def output_format(self):
        return unicode_type(self.output_formats.currentText()).lower()

    @property
    def manually_fine_tune_toc(self):
        for i in range(self.stack.count()):
            w = self.stack.widget(i)
            if hasattr(w, 'manually_fine_tune_toc'):
                return w.manually_fine_tune_toc.isChecked()

    def setup_pipeline(self, *args):
        oidx = self.groups.currentIndex().row()
        input_format = self.input_format
        output_format = self.output_format
        self.plumber = create_dummy_plumber(input_format, output_format)

        def widget_factory(cls):
            return cls(self.stack, self.plumber.get_option_by_name,
                       self.plumber.get_option_help, self.db, self.book_id)

        self.mw = widget_factory(MetadataWidget)
        self.setWindowTitle(
            _('Convert') + ' ' + unicode_type(self.mw.title.text()))
        lf = widget_factory(LookAndFeelWidget)
        hw = widget_factory(HeuristicsWidget)
        sr = widget_factory(SearchAndReplaceWidget)
        ps = widget_factory(PageSetupWidget)
        sd = widget_factory(StructureDetectionWidget)
        toc = widget_factory(TOCWidget)
        from calibre.gui2.actions.toc_edit import SUPPORTED
        toc.manually_fine_tune_toc.setVisible(
            output_format.upper() in SUPPORTED)
        debug = widget_factory(DebugWidget)

        output_widget = self.plumber.output_plugin.gui_configuration_widget(
            self.stack, self.plumber.get_option_by_name,
            self.plumber.get_option_help, self.db, self.book_id)
        input_widget = self.plumber.input_plugin.gui_configuration_widget(
            self.stack, self.plumber.get_option_by_name,
            self.plumber.get_option_help, self.db, self.book_id)
        while True:
            c = self.stack.currentWidget()
            if not c:
                break
            self.stack.removeWidget(c)

        widgets = [self.mw, lf, hw, ps, sd, toc, sr]
        if input_widget is not None:
            widgets.append(input_widget)
        if output_widget is not None:
            widgets.append(output_widget)
        widgets.append(debug)
        for w in widgets:
            self.stack.addWidget(w)
            w.set_help_signal.connect(self.help.setPlainText)

        self._groups_model = GroupModel(widgets)
        self.groups.setModel(self._groups_model)

        idx = oidx if -1 < oidx < self._groups_model.rowCount() else 0
        self.groups.setCurrentIndex(self._groups_model.index(idx))
        self.stack.setCurrentIndex(idx)
        try:
            shutil.rmtree(self.plumber.archive_input_tdir, ignore_errors=True)
        except:
            pass

    def setup_input_output_formats(self, db, book_id, preferred_input_format,
                                   preferred_output_format):
        if preferred_output_format:
            preferred_output_format = preferred_output_format.upper()
        output_formats = get_output_formats(preferred_output_format)
        input_format, input_formats = get_input_format_for_book(
            db, book_id, preferred_input_format)
        preferred_output_format = preferred_output_format if \
            preferred_output_format in output_formats else \
            sort_formats_by_preference(output_formats,
                    [prefs['output_format']])[0]
        self.input_formats.addItems(
            (unicode_type(x.upper()) for x in input_formats))
        self.output_formats.addItems(
            (unicode_type(x.upper()) for x in output_formats))
        self.input_formats.setCurrentIndex(input_formats.index(input_format))
        self.output_formats.setCurrentIndex(
            output_formats.index(preferred_output_format))

    def show_pane(self, index):
        self.stack.setCurrentIndex(index.row())

    def accept(self):
        recs = GuiRecommendations()
        for w in self._groups_model.widgets:
            if not w.pre_commit_check():
                return
            x = w.commit(save_defaults=False)
            recs.update(x)
        self.opf_file, self.cover_file = self.mw.opf_file, self.mw.cover_file
        self._recommendations = recs
        if self.db is not None:
            recs['gui_preferred_input_format'] = self.input_format
            save_specifics(self.db, self.book_id, recs)
        self.break_cycles()
        QDialog.accept(self)

    def reject(self):
        self.break_cycles()
        QDialog.reject(self)

    def done(self, r):
        if self.isVisible():
            gprefs['convert_single_dialog_geom'] = \
                bytearray(self.saveGeometry())
        return QDialog.done(self, r)

    def break_cycles(self):
        for i in range(self.stack.count()):
            w = self.stack.widget(i)
            w.break_cycles()

    @property
    def recommendations(self):
        recs = [(k, v, OptionRecommendation.HIGH)
                for k, v in self._recommendations.items()]
        return recs

    def show_group_help(self, index):
        widget = self._groups_model.widgets[index.row()]
        self.help.setPlainText(widget.HELP)
예제 #4
0
파일: game_gui.py 프로젝트: javedr8/Cassino
class MainWindow(QMainWindow):
    def __init__(self, app):
        super(MainWindow, self).__init__()
        self.app = app
        print('window created')
        self.setWindowIcon(QIcon('img/icon.png'))
        self.setWindowTitle('Kasino')
        self.setPalette(QPalette(Qt.darkGreen))
        self.setup_music()

        self.statusbar = QStatusBar(self)
        self.statusbar.setStyleSheet('background: white')
        self.setStatusBar(self.statusbar)
        self.statusbar.showMessage('Welcome to the Cassino game!')

        self.menubar = QMenuBar(self)
        self.optionsMenu = self.menubar.addMenu('Options')
        self.music_toggle = QAction()
        self.music_toggle.setText('Music')
        self.music_toggle.setShortcut('Ctrl+m')
        self.music_toggle.setCheckable(True)
        self.music_toggle.setChecked(True)
        self.optionsMenu.addAction(self.music_toggle)
        self.music_toggle.triggered.connect(self.toggle_music)

        self.speedGroup = QActionGroup(self)
        self.speedGroup.triggered.connect(self.set_speed)

        self.slow_speed = QAction('Slow', self.speedGroup)
        self.slow_speed.setCheckable(True)
        self.normal_speed = QAction('Normal', self.speedGroup)
        self.normal_speed.setCheckable(True)
        self.fast_speed = QAction('Fast', self.speedGroup)
        self.fast_speed.setCheckable(True)
        self.vfast_speed = QAction('Very Fast', self.speedGroup)
        self.vfast_speed.setCheckable(True)
        self.normal_speed.setChecked(True)

        self.speed_menu = self.optionsMenu.addMenu('Speed')
        self.speed_menu.addActions(self.speedGroup.actions())
        self.menubar.setMouseTracking(False)
        self.setMenuBar(self.menubar)

        self.play_widget = PlayWidget(self)
        self.main_menu = MainMenu(self)
        self.start_menu = StartMenu(self)
        self.widgets = QStackedWidget(self)
        self.widgets.addWidget(self.play_widget)
        self.widgets.addWidget(self.main_menu)
        self.widgets.addWidget(self.start_menu)
        self.widgets.setCurrentWidget(self.main_menu)

        self.setCentralWidget(self.widgets)
        self.setGeometry(25, 50, 1028, 720)

        self.main_menu.startbutton.clicked.connect(self.init_game)
        self.main_menu.loadbutton.clicked.connect(self.load_game)
        self.main_menu.quitbutton.clicked.connect(self.quit)
        self.play_widget.quit_button.clicked.connect(self.quit_to_menu)
        self.play_widget.save_button.clicked.connect(self.save_game)
        self.start_menu.startbutton.clicked.connect(self.start_game)

    def setup_music(self):
        self.music = QMediaPlayer()
        self.playlist = QMediaPlaylist()
        self.playlist.setPlaybackMode(QMediaPlaylist.Loop)
        file_name = "sound/bg.mp3"
        self.media = QMediaContent(QUrl.fromLocalFile(file_name))
        self.playlist.addMedia(self.media)
        self.music.setPlaylist(self.playlist)
        self.music.setVolume(20)
        self.music.play()

    def toggle_music(self):
        if self.music.isMuted():
            self.music.setMuted(False)
            self.statusbar.showMessage('Music on', 5000)
        else:
            self.music.setMuted(True)
            self.statusbar.showMessage('Music off', 5000)

    def set_speed(self, action):
        if action == self.slow_speed:
            self.play_widget.speed = 1
        elif action == self.normal_speed:
            self.play_widget.speed = 3
        elif action == self.fast_speed:
            self.play_widget.speed = 4
        else:
            self.play_widget.speed = 6

    def start_game(self):
        self.play_widget.init_game(
            self.start_menu.extract_info_and_init_game())
        self.widgets.setCurrentWidget(self.play_widget)
        self.statusbar.showMessage('Game launched', 2000)

    def load_game(self):
        path = QFileDialog.getOpenFileName(self, 'Open save file',
                                           QDir.currentPath() + '/sav')[0]
        if path != '':
            game, msg, count = load(path)
            self.play_widget.resume_from_save(game, msg, count)
            self.widgets.setCurrentWidget(self.play_widget)
            self.statusbar.showMessage('Loaded save file', 5000)

    def save_game(self):
        path = QFileDialog.getSaveFileName(self, 'Create save file',
                                           QDir.currentPath() + '/sav')[0]
        if path != '':
            save(path, self.play_widget.game, self.play_widget.export_log(),
                 self.play_widget.move_count)
            self.statusbar.showMessage('Game saved', 5000)

    def init_game(self):
        self.widgets.setCurrentWidget(self.start_menu)
        self.statusbar.showMessage('Starting new game')

    def quit_to_menu(self):
        #Reset playwidget
        self.widgets.removeWidget(self.play_widget)
        speed = self.play_widget.speed
        self.play_widget.setParent(None)
        self.play_widget = PlayWidget(self)
        self.play_widget.speed = speed
        self.widgets.addWidget(self.play_widget)
        self.play_widget.quit_button.clicked.connect(self.quit_to_menu)
        self.play_widget.save_button.clicked.connect(self.save_game)

        self.widgets.setCurrentWidget(self.main_menu)

    def closeEvent(self, *args,
                   **kwargs):  #for handling closing from 'x' button
        self.quit()

    def quit(self):
        print('Exited game. Thanks for playing!\n')
        self.app.exit()
예제 #5
0
class Preferences(QDialog):

    def __init__(self, gui, initial_panel=None):
        QDialog.__init__(self, gui)
        self.l = l = QGridLayout(self)
        self.setLayout(l)
        self.setWindowTitle(_('Preferences for Edit Book'))
        self.setWindowIcon(QIcon(I('config.png')))

        self.stacks = QStackedWidget(self)
        l.addWidget(self.stacks, 0, 1, 1, 1)

        self.categories_list = cl = QListWidget(self)
        cl.currentRowChanged.connect(self.stacks.setCurrentIndex)
        cl.clearPropertyFlags()
        cl.setViewMode(cl.IconMode)
        cl.setFlow(cl.TopToBottom)
        cl.setMovement(cl.Static)
        cl.setWrapping(False)
        cl.setSpacing(15)
        cl.setWordWrap(True)
        l.addWidget(cl, 0, 0, 1, 1)

        self.bb = bb = QDialogButtonBox(QDialogButtonBox.Ok | QDialogButtonBox.Cancel)
        bb.accepted.connect(self.accept)
        bb.rejected.connect(self.reject)
        self.rdb = b = bb.addButton(_('Restore all defaults'), bb.ResetRole)
        b.setToolTip(_('Restore defaults for all preferences'))
        b.clicked.connect(self.restore_all_defaults)
        self.rcdb = b = bb.addButton(_('Restore current defaults'), bb.ResetRole)
        b.setToolTip(_('Restore defaults for currently displayed preferences'))
        b.clicked.connect(self.restore_current_defaults)
        self.rconfs = b = bb.addButton(_('Restore confirmations'), bb.ResetRole)
        b.setToolTip(_('Restore all disabled confirmation prompts'))
        b.clicked.connect(self.restore_confirmations)

        l.addWidget(bb, 1, 0, 1, 2)

        self.resize(800, 600)
        geom = tprefs.get('preferences_geom', None)
        if geom is not None:
            self.restoreGeometry(geom)

        self.keyboard_panel = ShortcutConfig(self)
        self.keyboard_panel.initialize(gui.keyboard)
        self.editor_panel = EditorSettings(self)
        self.integration_panel = IntegrationSettings(self)
        self.main_window_panel = MainWindowSettings(self)
        self.preview_panel = PreviewSettings(self)
        self.toolbars_panel = ToolbarSettings(self)

        for name, icon, panel in [
            (_('Main window'), 'page.png', 'main_window'),
            (_('Editor settings'), 'modified.png', 'editor'),
            (_('Preview settings'), 'viewer.png', 'preview'),
            (_('Keyboard shortcuts'), 'keyboard-prefs.png', 'keyboard'),
            (_('Toolbars'), 'wizard.png', 'toolbars'),
            (_('Integration with calibre'), 'lt.png', 'integration'),
        ]:
            i = QListWidgetItem(QIcon(I(icon)), name, cl)
            cl.addItem(i)
            self.stacks.addWidget(getattr(self, panel + '_panel'))

        cl.setCurrentRow(0)
        cl.item(0).setSelected(True)
        w, h = cl.sizeHintForColumn(0), 0
        for i in xrange(cl.count()):
            h = max(h, cl.sizeHintForRow(i))
            cl.item(i).setSizeHint(QSize(w, h))

        cl.setMaximumWidth(cl.sizeHintForColumn(0) + 35)
        cl.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)

    @property
    def dictionaries_changed(self):
        return self.editor_panel.dictionaries_changed

    @property
    def snippets_changed(self):
        return self.editor_panel.snippets_changed

    @property
    def toolbars_changed(self):
        return self.toolbars_panel.changed

    def restore_all_defaults(self):
        for i in xrange(self.stacks.count()):
            w = self.stacks.widget(i)
            w.restore_defaults()

    def restore_current_defaults(self):
        self.stacks.currentWidget().restore_defaults()

    def restore_confirmations(self):
        changed = 0
        for key in tuple(tprefs):
            if key.endswith('_again') and tprefs.get(key) is False:
                del tprefs[key]
                changed += 1
        msg = _('There are no disabled confirmation prompts')
        if changed:
            msg = ngettext(
                'One disabled confirmation prompt was restored', '{} disabled confirmation prompts were restored', changed).format(changed)
        info_dialog(self, _('Disabled confirmations restored'), msg, show=True)

    def accept(self):
        tprefs.set('preferences_geom', bytearray(self.saveGeometry()))
        for i in xrange(self.stacks.count()):
            w = self.stacks.widget(i)
            w.commit()
        QDialog.accept(self)

    def reject(self):
        tprefs.set('preferences_geom', bytearray(self.saveGeometry()))
        QDialog.reject(self)
예제 #6
0
 def __add_address(self, gb_l):
     wgts = {}
     gb_l.addWidget(QLabel(tr('Почтовый индекс')))
     w = QLineEdit()
     gb_l.addWidget(w, 0, 1, 1, 1)
     wgts['Postal_Code'] = w
     gb_l.addWidget(QLabel(tr('Регион')))
     w = QLineEdit()
     gb_l.addWidget(w)
     wgts['Region'] = w
     gb_l.addWidget(QLabel(tr('Район')))
     w = QLineEdit()
     gb_l.addWidget(w)
     wgts['District'] = w
     gb_l.addWidget(QLabel(tr('Муниципальное образование')))
     w = QLineEdit()
     gb_l.addWidget(w)
     wgts['City'] = w
     gb_l.addWidget(QLabel(tr('Городской район')))
     w = QLineEdit()
     gb_l.addWidget(w)
     wgts['Urban_District'] = w
     gb_l.addWidget(QLabel(tr('Сельсовет')))
     w = QLineEdit()
     gb_l.addWidget(w)
     wgts['Soviet_Village'] = w
     gb_l.addWidget(
         QLabel(tr('Населенный пункт <em style="color: red">*</em>')))
     w = QLineEdit()
     gb_l.addWidget(w)
     wgts['Locality'] = w
     cb = QComboBox()
     cb.addItems(('Вариант 1', 'Вариант 2'))
     gb_l.addWidget(cb)
     st = QStackedWidget()
     p1 = QWidget()
     l = QGridLayout()
     l.setSpacing(3)
     l.addWidget(QLabel(tr('Улица <em style="color: red">*</em>')))
     w = QLineEdit()
     l.addWidget(w, 0, 1, 1, 1)
     wgts["Street"] = w
     l.addWidget(QLabel(tr('Дом <em style="color: red">*</em>')))
     w = QLineEdit()
     l.addWidget(w)
     wgts["House"] = w
     p1.setLayout(l)
     st.addWidget(p1)
     p2 = QWidget()
     l = QGridLayout()
     l.setSpacing(3)
     l.addWidget(QLabel(tr('Ориентир')))
     w = QLineEdit()
     l.addWidget(w, 0, 1, 1, 1)
     wgts["Reference_point"] = w
     p2.setLayout(l)
     st.addWidget(p2)
     gb_l.addWidget(st, 9, 0, 1, 2)
     cb.activated.connect(st.setCurrentIndex)
     gb_l.addWidget(QLabel(tr('Корпус')))
     w = QLineEdit()
     gb_l.addWidget(w)
     wgts['Housing'] = w
     gb_l.addWidget(QLabel(tr('Строение')))
     w = QLineEdit()
     gb_l.addWidget(w)
     wgts['Building'] = w
     gb_l.addWidget(QLabel(tr('Квартира')))
     w = QLineEdit()
     gb_l.addWidget(w)
     wgts['Apartment'] = w
     return wgts
예제 #7
0
class FullFetch(QDialog):  # {{{

    def __init__(self, current_cover=None, parent=None):
        QDialog.__init__(self, parent)
        self.current_cover = current_cover
        self.log = Log()
        self.book = self.cover_pixmap = None

        self.setWindowTitle(_('Downloading metadata...'))
        self.setWindowIcon(QIcon(I('download-metadata.png')))

        self.stack = QStackedWidget()
        self.l = l = QVBoxLayout()
        self.setLayout(l)
        l.addWidget(self.stack)

        self.bb = QDialogButtonBox(QDialogButtonBox.Cancel|QDialogButtonBox.Ok)
        self.h = h = QHBoxLayout()
        l.addLayout(h)
        self.bb.rejected.connect(self.reject)
        self.bb.accepted.connect(self.accept)
        self.ok_button = self.bb.button(self.bb.Ok)
        self.ok_button.setEnabled(False)
        self.ok_button.clicked.connect(self.ok_clicked)
        self.prev_button = pb = QPushButton(QIcon(I('back.png')), _('&Back'), self)
        pb.clicked.connect(self.back_clicked)
        pb.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
        self.log_button = self.bb.addButton(_('&View log'), self.bb.ActionRole)
        self.log_button.clicked.connect(self.view_log)
        self.log_button.setIcon(QIcon(I('debug.png')))
        self.prev_button.setVisible(False)
        h.addWidget(self.prev_button), h.addWidget(self.bb)

        self.identify_widget = IdentifyWidget(self.log, self)
        self.identify_widget.rejected.connect(self.reject)
        self.identify_widget.results_found.connect(self.identify_results_found)
        self.identify_widget.book_selected.connect(self.book_selected)
        self.stack.addWidget(self.identify_widget)

        self.covers_widget = CoversWidget(self.log, self.current_cover, parent=self)
        self.covers_widget.chosen.connect(self.ok_clicked)
        self.stack.addWidget(self.covers_widget)

        self.resize(850, 600)
        geom = gprefs.get('metadata_single_gui_geom', None)
        if geom is not None and geom:
            self.restoreGeometry(geom)

        self.finished.connect(self.cleanup)

    def view_log(self):
        self._lv = LogViewer(self.log, self)

    def book_selected(self, book, caches):
        self.prev_button.setVisible(True)
        self.book = book
        self.stack.setCurrentIndex(1)
        self.log('\n\n')
        self.covers_widget.start(book, self.current_cover,
                self.title, self.authors, caches)
        self.ok_button.setFocus()

    def back_clicked(self):
        self.prev_button.setVisible(False)
        self.stack.setCurrentIndex(0)
        self.covers_widget.cancel()
        self.covers_widget.reset_covers()

    def accept(self):
        # Prevent the usual dialog accept mechanisms from working
        gprefs['metadata_single_gui_geom'] = bytearray(self.saveGeometry())
        if DEBUG_DIALOG:
            if self.stack.currentIndex() == 2:
                return QDialog.accept(self)
        else:
            if self.stack.currentIndex() == 1:
                return QDialog.accept(self)

    def reject(self):
        gprefs['metadata_single_gui_geom'] = bytearray(self.saveGeometry())
        self.identify_widget.cancel()
        self.covers_widget.cancel()
        return QDialog.reject(self)

    def cleanup(self):
        self.covers_widget.cleanup()

    def identify_results_found(self):
        self.ok_button.setEnabled(True)

    def next_clicked(self, *args):
        gprefs['metadata_single_gui_geom'] = bytearray(self.saveGeometry())
        self.identify_widget.get_result()

    def ok_clicked(self, *args):
        self.cover_pixmap = self.covers_widget.cover_pixmap()
        if self.stack.currentIndex() == 0:
            self.next_clicked()
            return
        if DEBUG_DIALOG:
            if self.cover_pixmap is not None:
                self.w = QLabel()
                self.w.setPixmap(self.cover_pixmap)
                self.stack.addWidget(self.w)
                self.stack.setCurrentIndex(2)
        else:
            QDialog.accept(self)

    def start(self, title=None, authors=None, identifiers={}):
        self.title, self.authors = title, authors
        self.identify_widget.start(title=title, authors=authors,
                identifiers=identifiers)
        return self.exec_()
예제 #8
0
class FullFetch(QDialog):  # {{{
    def __init__(self, current_cover=None, parent=None):
        QDialog.__init__(self, parent)
        self.current_cover = current_cover
        self.log = Log()
        self.book = self.cover_pixmap = None

        self.setWindowTitle(_('Downloading metadata...'))
        self.setWindowIcon(QIcon(I('download-metadata.png')))

        self.stack = QStackedWidget()
        self.l = l = QVBoxLayout()
        self.setLayout(l)
        l.addWidget(self.stack)

        self.bb = QDialogButtonBox(QDialogButtonBox.Cancel
                                   | QDialogButtonBox.Ok)
        self.h = h = QHBoxLayout()
        l.addLayout(h)
        self.bb.rejected.connect(self.reject)
        self.bb.accepted.connect(self.accept)
        self.ok_button = self.bb.button(self.bb.Ok)
        self.ok_button.setEnabled(False)
        self.ok_button.clicked.connect(self.ok_clicked)
        self.prev_button = pb = QPushButton(QIcon(I('back.png')), _('&Back'),
                                            self)
        pb.clicked.connect(self.back_clicked)
        pb.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
        self.log_button = self.bb.addButton(_('&View log'), self.bb.ActionRole)
        self.log_button.clicked.connect(self.view_log)
        self.log_button.setIcon(QIcon(I('debug.png')))
        self.prev_button.setVisible(False)
        h.addWidget(self.prev_button), h.addWidget(self.bb)

        self.identify_widget = IdentifyWidget(self.log, self)
        self.identify_widget.rejected.connect(self.reject)
        self.identify_widget.results_found.connect(self.identify_results_found)
        self.identify_widget.book_selected.connect(self.book_selected)
        self.stack.addWidget(self.identify_widget)

        self.covers_widget = CoversWidget(self.log,
                                          self.current_cover,
                                          parent=self)
        self.covers_widget.chosen.connect(self.ok_clicked)
        self.stack.addWidget(self.covers_widget)

        self.resize(850, 600)
        geom = gprefs.get('metadata_single_gui_geom', None)
        if geom is not None and geom:
            self.restoreGeometry(geom)

        self.finished.connect(self.cleanup)

    def view_log(self):
        self._lv = LogViewer(self.log, self)

    def book_selected(self, book, caches):
        self.prev_button.setVisible(True)
        self.book = book
        self.stack.setCurrentIndex(1)
        self.log('\n\n')
        self.covers_widget.start(book, self.current_cover, self.title,
                                 self.authors, caches)
        self.ok_button.setFocus()

    def back_clicked(self):
        self.prev_button.setVisible(False)
        self.stack.setCurrentIndex(0)
        self.covers_widget.cancel()
        self.covers_widget.reset_covers()

    def accept(self):
        # Prevent the usual dialog accept mechanisms from working
        gprefs['metadata_single_gui_geom'] = bytearray(self.saveGeometry())
        if DEBUG_DIALOG:
            if self.stack.currentIndex() == 2:
                return QDialog.accept(self)
        else:
            if self.stack.currentIndex() == 1:
                return QDialog.accept(self)

    def reject(self):
        gprefs['metadata_single_gui_geom'] = bytearray(self.saveGeometry())
        self.identify_widget.cancel()
        self.covers_widget.cancel()
        return QDialog.reject(self)

    def cleanup(self):
        self.covers_widget.cleanup()

    def identify_results_found(self):
        self.ok_button.setEnabled(True)

    def next_clicked(self, *args):
        gprefs['metadata_single_gui_geom'] = bytearray(self.saveGeometry())
        self.identify_widget.get_result()

    def ok_clicked(self, *args):
        self.cover_pixmap = self.covers_widget.cover_pixmap()
        if self.stack.currentIndex() == 0:
            self.next_clicked()
            return
        if DEBUG_DIALOG:
            if self.cover_pixmap is not None:
                self.w = QLabel()
                self.w.setPixmap(self.cover_pixmap)
                self.stack.addWidget(self.w)
                self.stack.setCurrentIndex(2)
        else:
            QDialog.accept(self)

    def start(self, title=None, authors=None, identifiers={}):
        self.title, self.authors = title, authors
        self.identify_widget.start(title=title,
                                   authors=authors,
                                   identifiers=identifiers)
        return self.exec_()
예제 #9
0
class Preferences(QDialog):
    def __init__(self, gui, initial_panel=None):
        QDialog.__init__(self, gui)
        self.l = l = QGridLayout(self)
        self.setLayout(l)
        self.setWindowTitle(_('Preferences for Edit Book'))
        self.setWindowIcon(QIcon(I('config.png')))

        self.stacks = QStackedWidget(self)
        l.addWidget(self.stacks, 0, 1, 1, 1)

        self.categories_list = cl = QListWidget(self)
        cl.currentRowChanged.connect(self.stacks.setCurrentIndex)
        cl.clearPropertyFlags()
        cl.setViewMode(cl.IconMode)
        cl.setFlow(cl.TopToBottom)
        cl.setMovement(cl.Static)
        cl.setWrapping(False)
        cl.setSpacing(15)
        cl.setWordWrap(True)
        l.addWidget(cl, 0, 0, 1, 1)

        self.bb = bb = QDialogButtonBox(QDialogButtonBox.Ok
                                        | QDialogButtonBox.Cancel)
        bb.accepted.connect(self.accept)
        bb.rejected.connect(self.reject)
        self.rdb = b = bb.addButton(_('Restore all defaults'), bb.ResetRole)
        b.setToolTip(_('Restore defaults for all preferences'))
        b.clicked.connect(self.restore_all_defaults)
        self.rcdb = b = bb.addButton(_('Restore current defaults'),
                                     bb.ResetRole)
        b.setToolTip(_('Restore defaults for currently displayed preferences'))
        b.clicked.connect(self.restore_current_defaults)
        l.addWidget(bb, 1, 0, 1, 2)

        self.resize(800, 600)
        geom = tprefs.get('preferences_geom', None)
        if geom is not None:
            self.restoreGeometry(geom)

        self.keyboard_panel = ShortcutConfig(self)
        self.keyboard_panel.initialize(gui.keyboard)
        self.editor_panel = EditorSettings(self)
        self.integration_panel = IntegrationSettings(self)
        self.main_window_panel = MainWindowSettings(self)
        self.preview_panel = PreviewSettings(self)
        self.toolbars_panel = ToolbarSettings(self)

        for name, icon, panel in [
            (_('Main window'), 'page.png', 'main_window'),
            (_('Editor settings'), 'modified.png', 'editor'),
            (_('Preview settings'), 'viewer.png', 'preview'),
            (_('Keyboard shortcuts'), 'keyboard-prefs.png', 'keyboard'),
            (_('Toolbars'), 'wizard.png', 'toolbars'),
            (_('Integration with calibre'), 'lt.png', 'integration'),
        ]:
            i = QListWidgetItem(QIcon(I(icon)), name, cl)
            cl.addItem(i)
            self.stacks.addWidget(getattr(self, panel + '_panel'))

        cl.setCurrentRow(0)
        cl.item(0).setSelected(True)
        w, h = cl.sizeHintForColumn(0), 0
        for i in xrange(cl.count()):
            h = max(h, cl.sizeHintForRow(i))
            cl.item(i).setSizeHint(QSize(w, h))

        cl.setMaximumWidth(cl.sizeHintForColumn(0) + 35)
        cl.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)

    @property
    def dictionaries_changed(self):
        return self.editor_panel.dictionaries_changed

    @property
    def snippets_changed(self):
        return self.editor_panel.snippets_changed

    @property
    def toolbars_changed(self):
        return self.toolbars_panel.changed

    def restore_all_defaults(self):
        for i in xrange(self.stacks.count()):
            w = self.stacks.widget(i)
            w.restore_defaults()

    def restore_current_defaults(self):
        self.stacks.currentWidget().restore_defaults()

    def accept(self):
        tprefs.set('preferences_geom', bytearray(self.saveGeometry()))
        for i in xrange(self.stacks.count()):
            w = self.stacks.widget(i)
            w.commit()
        QDialog.accept(self)

    def reject(self):
        tprefs.set('preferences_geom', bytearray(self.saveGeometry()))
        QDialog.reject(self)
예제 #10
0
class ParameterPanel(EditionWidget, WidgetController):
    """Edition Panel implementation."""
    def __init__(self, astergui, parent=None):
        """
        Create panel.

        Arguments:
            astergui (AsterGui): AsterGui instance.
            parent (Optional[QWidget]): Parent widget.
        """
        super(ParameterPanel,
              self).__init__(parent=parent,
                             name=translate("ParameterPanel", "Edit command"),
                             astergui=astergui)
        self.setPixmap(load_pixmap("as_pic_edit_command.png"))

        self._files_model = astergui.study().dataFilesModel()
        self._unit_model = None

        self._command = None
        self.title = ParameterTitle(self)
        self.title.installEventFilter(self)
        self._name = QLineEdit(self)
        self.views = QStackedWidget(self)
        v_layout = QVBoxLayout(self)
        v_layout.setContentsMargins(0, 0, 0, 0)
        v_layout.setSpacing(5)
        v_layout.addWidget(self.title)
        v_layout.addWidget(HLine(self))

        n_layout = QHBoxLayout()
        v_layout.addLayout(n_layout)
        n_layout.addWidget(QLabel(translate("ParameterPanel", "Name"), self))
        n_layout.addWidget(self._name)
        # force to be a valid identifier + length <= 8
        self._name.setValidator(QRegExpValidator(QRegExp(r"[a-zA-Z]\w{1,7}")))

        # create toolbar
        tbar = QToolBar(self)
        tbar.setToolButtonStyle(Qt.ToolButtonIconOnly)
        # - Edit comment
        edit_comment = QAction(translate("AsterStudy", "Edit &Comment"), self)
        edit_comment.setToolTip(translate("AsterStudy", "Edit comment"))
        edit_comment.setStatusTip(
            translate("AsterStudy", "Edit comment for the "
                      "selected object"))
        edit_comment.setIcon(load_icon("as_pic_edit_comment.png"))
        connect(edit_comment.triggered, self._editComment)
        tbar.addAction(edit_comment)
        # - Switch on/off business-translations
        title = translate("AsterStudy", "Use Business-Oriented Translations")
        self.use_translations = QAction(title, self)
        title = translate("AsterStudy", "Use business-oriented translations")
        self.use_translations.setToolTip(title)
        self.use_translations.setStatusTip(title)
        self.use_translations.setIcon(load_icon("as_pic_use_translations.png"))
        self.use_translations.setCheckable(True)
        if behavior().forced_native_names:
            force = behavior().force_native_names
            self.use_translations.setDisabled(True)
            is_on = not force
        else:
            is_on = behavior().use_business_translations
        Options.use_translations = is_on
        self.use_translations.setChecked(is_on)
        connect(self.use_translations.toggled, self.updateTranslations)
        tbar.addAction(self.use_translations)
        # - Hide unused
        hide_unused = astergui.action(ActionType.HideUnused)
        connect(hide_unused.toggled, self._unusedVisibility)
        tbar.addAction(hide_unused)
        # - What's this
        whats_this = QWhatsThis.createAction(tbar)
        whats_this.setToolTip(translate("AsterStudy", "What's this?"))
        whats_this.setStatusTip(
            translate("AsterStudy", "Show element's description"))
        whats_this.setIcon(load_icon("as_pic_whats_this.png"))
        tbar.addAction(whats_this)
        # - Link to doc
        tbar.addAction(astergui.action(ActionType.LinkToDoc))

        n_layout.addWidget(tbar)

        v_layout.addWidget(self.views)
        self._updateState()

    def unitModel(self):
        """
        Method that get unit model.

        Returns:
            UnitModel: Unit model.
        """
        return self._unit_model

    def command(self):
        """
        Get command being edited.

        Returns:
            Command: Command being edited.
        """
        return self._command

    def setCommand(self, command):
        """
        Set command to edit.

        Arguments:
            command (Command): Command to edit.
        """
        self.clear()
        self._command = command
        if self._command is None:
            self._name.setText("")
        else:
            self._name.setText(self._command.name)
            self._unit_model = UnitModel(command.stage)
            pview = self._createParameterView(ParameterPath(self._command), '')
            pview.view().setItemValue(command.storage)
            hide_unused = self.astergui().action(ActionType.HideUnused)
            pview.setUnusedVisibile(not hide_unused.isChecked())
            self.views.setCurrentWidget(pview)
        self._updateState()

    def currentPath(self):
        """
        Get currently edited parameter path.

        Returns:
            str: currently edited parameter path.
        """
        path = ""
        wid = self.currentParameterView()
        if wid is not None:
            path = wid.path()
        return path

    def isCurrentCommand(self):
        """
        Get true if the currently edited view contains command.

        Returns:
            bool: Current edited command flag
        """
        curpath = self.currentPath()
        return ParameterPath(self.command()).isEqual(curpath)

    def currentParameterView(self):
        """
        Get current parameter view.

        Returns:
           ParameterView: current view.
        """
        return self.views.currentWidget()

    def clear(self):
        """Remove all parameter views."""
        while self.views.count() > 0:
            wid = self.views.widget(0)
            if wid is not None:
                self.views.removeWidget(wid)
                wid.deleteLater()

    def store(self):
        """
        Save data from all parameter views.
        """
        cmd = self.command()
        if cmd is not None:
            with auto_dupl_on(self.astergui().study().activeCase):
                cmd.rename(self._name.text())
                wid = self._viewByPath(ParameterPath(cmd))
                if wid is not None:
                    cmd.init(wid.view().itemValue())

    def requiredButtons(self):
        """
        Return the combination of standard button flags required for this
        widget.

        Returns:
            int: button flags for buttons required for this widget
                 (combination of QDialogButtonBox.StandardButton flags).
        """
        if self.isCurrentCommand():
            return QDialogButtonBox.Ok | QDialogButtonBox.Apply | \
                QDialogButtonBox.Close
        else:
            return QDialogButtonBox.Ok | QDialogButtonBox.Cancel | \
                QDialogButtonBox.Abort

    def isButtonEnabled(self, button):
        """
        Return True if a particular button is enabled.

        Arguments:
            button (QDialogButtonBox.StandardButton): button flag.

        Returns:
            True: that means that all buttons should be enabled.
        """
        return True

    def perform(self, button):
        """
        Perform action on button click. Redefined method from the base class.

        Arguments:
            button (QDialogButtonBox.StandardButton): clicked button flag.
        """
        if button == QDialogButtonBox.Ok:
            self.performOk()
        elif button == QDialogButtonBox.Apply:
            self.performApply()
        elif button == QDialogButtonBox.Abort:
            self.performAbort()
        elif button == QDialogButtonBox.Close or \
                button == QDialogButtonBox.Cancel:
            self.performClose()

    def performOk(self):
        """Called when `Ok` button is clicked in Edition panel."""
        self.performChanges(True)

    def performApply(self):
        """Called when `Apply` button is clicked in Edition panel."""
        self.performChanges(False)

    def performAbort(self):
        """Called when `Abort` button is clicked in Edition panel."""
        pref_mgr = self.astergui().preferencesMgr()
        msg = translate(
            "ParameterPanel", "Command edition will be aborted and "
            "all made changes will be lost. "
            "Do you want to continue?")
        noshow = "parampanel_abort"
        ask = MessageBox.question(self.astergui().mainWindow(),
                                  translate("ParameterPanel", "Abort"),
                                  msg,
                                  QMessageBox.Yes | QMessageBox.No,
                                  QMessageBox.Yes,
                                  noshow=noshow,
                                  prefmgr=pref_mgr)
        if ask == QMessageBox.Yes:
            self.close()
            self.astergui().study().revert()

    def performClose(self):
        """Called when `Cancel` button is clicked in Edition panel."""
        has_modif = self._hasModifications()
        if has_modif:
            pref_mgr = self.astergui().preferencesMgr()
            msg = translate(
                "ParameterPanel",
                "There are some unsaved modifications will be "
                "lost. Do you want to continue?")
            noshow = "parampanel_close"
            ask = MessageBox.question(self.astergui().mainWindow(),
                                      translate("ParameterPanel", "Close"),
                                      msg,
                                      QMessageBox.Yes | QMessageBox.No,
                                      QMessageBox.Yes,
                                      noshow=noshow,
                                      prefmgr=pref_mgr)
            has_modif = ask != QMessageBox.Yes

        if not has_modif:
            self.performDissmis(True)

    def performChanges(self, close=True):
        """
        Validate and store the command into data model.
        """
        wid = self.currentParameterView()
        if wid is not None:
            view = wid.view()
            if view.validate():
                cur_path = self.currentPath()
                if self.isCurrentCommand():
                    self.store()
                    self._files_model.update()
                    if self.astergui() is not None:
                        opname = translate("ParameterPanel", "Edit command")
                        self.astergui().study().commit(opname)
                        self.astergui().update()
                    if close:
                        self.performDissmis(False)
                    msg = translate("ParameterPanel",
                                    "Command '{}' successfully stored")
                    msg = msg.format(self._name.text())
                    self.astergui().showMessage(msg)
                else:
                    child_val = view.itemValue()
                    self._removeCurrentView()
                    curview = self.currentParameterView()
                    subitem = curview.view().findItemByPath(cur_path)
                    if subitem is not None:
                        subitem.setItemValue(child_val)
        self._updateState()
        self.updateButtonStatus()

    def performDissmis(self, revert=True):
        """
        Cancel changes and revert the command changes.
        """
        if self.isCurrentCommand():
            self.close()
            if revert:
                self.astergui().study().revert()
        else:
            self._removeCurrentView()
        self._updateState()
        self.updateButtonStatus()

    def showEvent(self, event):
        """
        Reimplemented for internal reason: updates the title
        depending on read only state, etc.
        """
        title = translate("ParameterPanel", "View command") \
            if self.isReadOnly() else \
            translate("ParameterPanel", "Edit command")
        self.setWindowTitle(title)

        hide_unused = self.astergui().action(ActionType.HideUnused)
        hide_unused.setVisible(True)
        hide_unused.setChecked(self.isReadOnly())

        # update meshview
        meshes = avail_meshes_in_cmd(self.command())
        for i, mesh in enumerate(meshes):
            filename, meshname = get_cmd_mesh(mesh)
            if filename:
                if i > 0:
                    self.meshview().displayMEDFileName(filename, meshname, 1.0,
                                                       False)
                else:
                    self.meshview().displayMEDFileName(filename, meshname, 1.0,
                                                       True)

        super(ParameterPanel, self).showEvent(event)

    def hideEvent(self, event):
        """
        Reimplemented for internal reason: hides "Hide unused" action.
        """
        hide_unused = self.astergui().action(ActionType.HideUnused)
        hide_unused.setVisible(False)
        super(ParameterPanel, self).hideEvent(event)

    def updateTranslations(self):
        """
        Update translations in GUI elements.
        """
        Options.use_translations = self.use_translations.isChecked()
        self._updateState()
        for i in xrange(self.views.count()):
            view = self.views.widget(i)
            view.updateTranslations()

    def eventFilter(self, receiver, event):
        """
        Event filter; processes clicking ln links in What's This window.
        """
        if receiver == self.title and event.type() == QEvent.WhatsThisClicked:
            QDesktopServices.openUrl(QUrl(event.href()))
        return super(ParameterPanel, self).eventFilter(receiver, event)

    def _hasModifications(self):
        curview = self.currentParameterView().view() \
            if self.currentParameterView() is not None else None
        return curview.hasModifications() \
            if curview is not None else False

    def _updateState(self):
        """Update state and current title label."""
        disabled = self.command() is None
        self.setDisabled(disabled)

        if not disabled:
            disabled = self.command().gettype(ConversionLevel.NoFail) is None
        self._name.setDisabled(disabled)

        txt = []
        pview = self.currentParameterView()
        if pview is not None:
            txt = pview.path().names()

        ppath = None
        txt_list = []
        tooltip = ""
        whats_this = ""
        while len(txt) > 0:
            name = txt.pop(0)
            if ppath is None:
                ppath = ParameterPath(self.command(), name=name)
            else:
                ppath = ppath.absolutePath(name)
            if ppath.isInSequence():
                txt_list.append("[" + name + "]")
            elif get_cata_typeid(ppath.keyword()) in (IDS.simp, IDS.fact):
                # translate keyword
                kwtext = Options.translate_command(ppath.command().title, name)
                txt_list.append(kwtext)
            elif get_cata_typeid(ppath.keyword()) == IDS.command:
                # translate command
                translation = Options.translate_command(name)
                txt_list.append(translation)
                if translation != name:
                    wttext = italic(translation) + " ({})".format(bold(name))
                else:
                    wttext = bold(name)
                tooltip = preformat(wttext)
                url = self.astergui().doc_url(name)
                if url:
                    wttext += "&nbsp;"
                    wttext += href(
                        image(CFG.rcfile("as_pic_help.png"),
                              width=20,
                              height=20), url)
                wttext = preformat(wttext)
                docs = CATA.get_command_docstring(name)
                if docs:
                    wttext += "<hr>"
                    wttext += docs
                whats_this = wttext

        self.title.setTitle(txt_list)
        self.title.setToolTip(tooltip)
        self.title.setWhatsThis(whats_this)

    def _removeCurrentView(self):
        """
        Remove the parameter view for given object.

        Arguments:
            obj (Parameter): Command's parameter.
        """
        curview = self.currentParameterView()
        if curview is not None:
            master = curview.view().masterItem()
            if master is not None and master.slaveItem() == curview.view():
                master.setSlaveItem(None)
            curview.view().setMasterItem(None)
            view = self._parentView(curview)
            if view is not None:
                self.views.setCurrentWidget(view)
                hide_unused = self.astergui().action(ActionType.HideUnused)
                view.setUnusedVisibile(not hide_unused.isChecked())
            self.views.removeWidget(curview)
            curview.deleteLater()
        self._updateState()

    def _viewByPath(self, path):
        view = None
        for i in xrange(self.views.count()):
            the_view = self.views.widget(i)
            if the_view.path().isEqual(path):
                view = the_view
                break
        return view

    def _parentView(self, curview):
        view = None
        path = curview.path()
        while path is not None and view is None:
            path = path.parentPath()
            view = self._viewByPath(path)
        return view

    def _gotoParameter(self, path, link):
        """
        Activate the parameter view for object with given id.

        Arguments:
            uid (int): Object's UID.
        """
        curview = self.currentParameterView()
        act_item = curview.view().findItemByPath(path)
        child_val = None
        wid = self._createParameterView(path, link)
        if act_item is not None:
            child_val = act_item.itemValue()
            act_item.setSlaveItem(wid.view())
        wid.view().setMasterItem(act_item)
        hide_unused = self.astergui().action(ActionType.HideUnused)
        wid.setUnusedVisibile(not hide_unused.isChecked())
        self.views.setCurrentWidget(wid)
        wid.view().setItemValue(child_val)
        self._updateState()
        self.updateButtonStatus()

    def _createParameterView(self, path, link):
        """
        Create parameter view for given object.

        Arguments:
            path (ParameterPath): Path of parameter to edit.

        Returns:
            ParameterWindow: Parameter view for parameter path.
        """
        # pragma pylint: disable=redefined-variable-type
        pview = None
        if link == EditorLink.Table:
            pview = ParameterTableWindow(path, self, self.views)
        elif link == EditorLink.List:
            pview = ParameterListWindow(path, self, self.views)
        elif link == EditorLink.GrMa:
            pview = ParameterMeshGroupWindow(path, self, self.views)
        else:
            pview = ParameterFactWindow(path, self, self.views)
        connect(pview.gotoParameter, self._gotoParameter)
        self.views.addWidget(pview)
        return pview

    def _unusedVisibility(self, ison):
        """
        Invoked when 'Hide unused' button toggled
        """
        curview = self.currentParameterView()
        curview.setUnusedVisibile(not ison)

    def meshview(self):
        """
        Returns the central *MeshView* object
        """
        return self.astergui().workSpace().panels[Panel.View]

    def _editComment(self):
        """
        Invoked when 'Edit comment' button is clicked
        """
        panel = CommentPanel(self.astergui(), owner=self)
        panel.node = self.command()
        self.astergui().workSpace().panel(Panel.Edit).setEditor(panel)

    def pendingStorage(self):
        """
        Dictionnary being filled as this command is edited.
        """
        wid = self._viewByPath(ParameterPath(self.command()))
        if wid is not None:
            return wid.view().itemValue()
        return None
예제 #11
0
class Preferences(QMainWindow):

    run_wizard_requested = pyqtSignal()

    def __init__(self, gui, initial_plugin=None, close_after_initial=False):
        QMainWindow.__init__(self, gui)
        self.gui = gui
        self.must_restart = False
        self.committed = False
        self.close_after_initial = close_after_initial

        self.resize(930, 720)
        nh, nw = min_available_height() - 25, available_width() - 10
        if nh < 0:
            nh = 800
        if nw < 0:
            nw = 600
        nh = min(self.height(), nh)
        nw = min(self.width(), nw)
        self.resize(nw, nh)
        self.esc_action = QAction(self)
        self.addAction(self.esc_action)
        self.esc_action.setShortcut(QKeySequence(Qt.Key_Escape))
        self.esc_action.triggered.connect(self.esc)

        geom = gprefs.get('preferences_window_geometry', None)
        if geom is not None:
            self.restoreGeometry(geom)

        # Center
        if islinux:
            self.move(gui.rect().center() - self.rect().center())

        self.setWindowModality(Qt.WindowModal)
        self.setWindowTitle(__appname__ + ' - ' + _('Preferences'))
        self.setWindowIcon(QIcon(I('config.png')))

        self.status_bar = StatusBar(self)
        self.setStatusBar(self.status_bar)

        self.stack = QStackedWidget(self)
        self.cw = QWidget(self)
        self.cw.setLayout(QVBoxLayout())
        self.cw.layout().addWidget(self.stack)
        self.bb = QDialogButtonBox(QDialogButtonBox.Close)
        self.wizard_button = self.bb.addButton(_('Run welcome wizard'),
                                               self.bb.ActionRole)
        self.wizard_button.setIcon(QIcon(I('wizard.png')))
        self.wizard_button.clicked.connect(self.run_wizard,
                                           type=Qt.QueuedConnection)
        self.cw.layout().addWidget(self.bb)
        self.bb.button(self.bb.Close).setDefault(True)
        self.bb.rejected.connect(self.close, type=Qt.QueuedConnection)
        self.setCentralWidget(self.cw)
        self.browser = Browser(self)
        self.browser.show_plugin.connect(self.show_plugin)
        self.stack.addWidget(self.browser)
        self.scroll_area = QScrollArea(self)
        self.stack.addWidget(self.scroll_area)
        self.scroll_area.setWidgetResizable(True)

        self.setContextMenuPolicy(Qt.NoContextMenu)
        self.bar = QToolBar(self)
        self.addToolBar(self.bar)
        self.bar.setVisible(False)
        self.bar.setIconSize(QSize(ICON_SIZE, ICON_SIZE))
        self.bar.setMovable(False)
        self.bar.setFloatable(False)
        self.bar.setToolButtonStyle(Qt.ToolButtonTextBesideIcon)
        self.apply_action = self.bar.addAction(QIcon(I('ok.png')), _('&Apply'),
                                               self.commit)
        self.cancel_action = self.bar.addAction(QIcon(I('window-close.png')),
                                                _('&Cancel'), self.cancel)
        self.bar_title = BarTitle(self.bar)
        self.bar.addWidget(self.bar_title)
        self.restore_action = self.bar.addAction(QIcon(I('clear_left.png')),
                                                 _('Restore &defaults'),
                                                 self.restore_defaults)
        for ac, tt in [('apply', _('Save changes')),
                       ('cancel', _('Cancel and return to overview'))]:
            ac = getattr(self, ac + '_action')
            ac.setToolTip(tt)
            ac.setWhatsThis(tt)
            ac.setStatusTip(tt)

        for ch in self.bar.children():
            if isinstance(ch, QToolButton):
                ch.setCursor(Qt.PointingHandCursor)
                ch.setAutoRaise(True)

        self.stack.setCurrentIndex(0)

        if initial_plugin is not None:
            category, name = initial_plugin
            plugin = get_plugin(category, name)
            if plugin is not None:
                self.show_plugin(plugin)

    def event(self, ev):
        if ev.type() == ev.StatusTip:
            msg = re.sub(r'</?[a-z1-6]+>', ' ', ev.tip())
            ev = QStatusTipEvent(msg)
        return QMainWindow.event(self, ev)

    def run_wizard(self):
        self.close()
        self.run_wizard_requested.emit()

    def set_tooltips_for_labels(self):
        def process_child(child):
            for g in child.children():
                if isinstance(g, QLabel):
                    buddy = g.buddy()
                    if buddy is not None and hasattr(buddy, 'toolTip'):
                        htext = unicode(buddy.toolTip()).strip()
                        etext = unicode(g.toolTip()).strip()
                        if htext and not etext:
                            g.setToolTip(htext)
                            g.setWhatsThis(htext)
                else:
                    process_child(g)

        process_child(self.showing_widget)

    def show_plugin(self, plugin):
        self.showing_widget = plugin.create_widget(self.scroll_area)
        self.showing_widget.genesis(self.gui)
        self.showing_widget.initialize()
        self.set_tooltips_for_labels()
        self.scroll_area.setWidget(self.showing_widget)
        self.stack.setCurrentIndex(1)
        self.showing_widget.show()
        self.setWindowTitle(__appname__ + ' - ' + _('Preferences') + ' - ' +
                            plugin.gui_name)
        self.apply_action.setEnabled(False)
        self.showing_widget.changed_signal.connect(
            lambda: self.apply_action.setEnabled(True))
        self.showing_widget.restart_now.connect(self.restart_now)
        self.restore_action.setEnabled(
            self.showing_widget.supports_restoring_to_defaults)
        tt = self.showing_widget.restore_defaults_desc
        if not self.restore_action.isEnabled():
            tt = _('Restoring to defaults not supported for') + ' ' + \
                plugin.gui_name
        self.restore_action.setToolTip(textwrap.fill(tt))
        self.restore_action.setWhatsThis(textwrap.fill(tt))
        self.restore_action.setStatusTip(tt)
        self.bar_title.show_plugin(plugin)
        self.setWindowIcon(QIcon(plugin.icon))
        self.bar.setVisible(True)
        self.bb.setVisible(False)

    def hide_plugin(self):
        self.showing_widget = QWidget(self.scroll_area)
        self.scroll_area.setWidget(self.showing_widget)
        self.setWindowTitle(__appname__ + ' - ' + _('Preferences'))
        self.bar.setVisible(False)
        self.stack.setCurrentIndex(0)
        self.setWindowIcon(QIcon(I('config.png')))
        self.bb.setVisible(True)

    def esc(self, *args):
        if self.stack.currentIndex() == 1:
            self.cancel()
        elif self.stack.currentIndex() == 0:
            self.close()

    def restart_now(self):
        try:
            self.showing_widget.commit()
        except AbortCommit:
            return
        self.hide_plugin()
        self.close()
        self.gui.quit(restart=True)

    def commit(self, *args):
        try:
            must_restart = self.showing_widget.commit()
        except AbortCommit:
            return
        rc = self.showing_widget.restart_critical
        self.committed = True
        do_restart = False
        if must_restart:
            self.must_restart = True
            msg = _('Some of the changes you made require a restart.'
                    ' Please restart calibre as soon as possible.')
            if rc:
                msg = _('The changes you have made require calibre be '
                        'restarted immediately. You will not be allowed to '
                        'set any more preferences, until you restart.')

            do_restart = show_restart_warning(msg, parent=self)

        self.showing_widget.refresh_gui(self.gui)
        self.hide_plugin()
        if self.close_after_initial or (must_restart and rc) or do_restart:
            self.close()
        if do_restart:
            self.gui.quit(restart=True)

    def cancel(self, *args):
        if self.close_after_initial:
            self.close()
        else:
            self.hide_plugin()

    def restore_defaults(self, *args):
        self.showing_widget.restore_defaults()

    def closeEvent(self, *args):
        gprefs.set('preferences_window_geometry',
                   bytearray(self.saveGeometry()))
        if self.committed:
            self.gui.must_restart_before_config = self.must_restart
            self.gui.tags_view.recount()
            self.gui.create_device_menu()
            self.gui.set_device_menu_items_state(
                bool(self.gui.device_connected))
            self.gui.bars_manager.apply_settings()
            self.gui.bars_manager.update_bars()
            self.gui.build_context_menus()

        return QMainWindow.closeEvent(self, *args)
예제 #12
0
파일: main.py 프로젝트: JimmXinu/calibre
class Preferences(QDialog):

    run_wizard_requested = pyqtSignal()

    def __init__(self, gui, initial_plugin=None, close_after_initial=False):
        QDialog.__init__(self, gui)
        self.gui = gui
        self.must_restart = False
        self.do_restart = False
        self.committed = False
        self.close_after_initial = close_after_initial

        self.resize(930, 720)
        nh, nw = min_available_height()-25, available_width()-10
        if nh < 0:
            nh = 800
        if nw < 0:
            nw = 600
        nh = min(self.height(), nh)
        nw = min(self.width(), nw)
        self.resize(nw, nh)

        geom = gprefs.get('preferences dialog geometry', None)
        if geom is not None:
            self.restoreGeometry(geom)

        # Center
        if islinux:
            self.move(gui.rect().center() - self.rect().center())

        self.setWindowModality(Qt.ApplicationModal)
        self.setWindowTitle(__appname__ + ' - ' + _('Preferences'))
        self.setWindowIcon(QIcon(I('config.png')))
        self.l = l = QVBoxLayout(self)

        self.stack = QStackedWidget(self)
        self.bb = QDialogButtonBox(QDialogButtonBox.Close | QDialogButtonBox.Apply | QDialogButtonBox.Discard | QDialogButtonBox.RestoreDefaults)
        self.bb.button(self.bb.Apply).clicked.connect(self.accept)
        self.bb.button(self.bb.Discard).clicked.connect(self.reject)
        self.bb.button(self.bb.RestoreDefaults).setIcon(QIcon(I('clear_left.png')))
        self.bb.button(self.bb.RestoreDefaults).clicked.connect(self.restore_defaults)
        self.wizard_button = self.bb.addButton(_('Run Welcome &wizard'), self.bb.ActionRole)
        self.wizard_button.setIcon(QIcon(I('wizard.png')))
        self.wizard_button.clicked.connect(self.run_wizard, type=Qt.QueuedConnection)
        self.wizard_button.setAutoDefault(False)
        self.bb.rejected.connect(self.reject)
        self.browser = Browser(self)
        self.browser.show_plugin.connect(self.show_plugin)
        self.stack.addWidget(self.browser)
        self.scroll_area = QScrollArea(self)
        self.stack.addWidget(self.scroll_area)
        self.scroll_area.setWidgetResizable(True)

        self.setContextMenuPolicy(Qt.NoContextMenu)
        self.title_bar = TitleBar(self)
        for ac, tt in [(self.bb.Apply, _('Save changes')),
                (self.bb.Discard, _('Cancel and return to overview'))]:
            self.bb.button(ac).setToolTip(tt)

        l.addWidget(self.title_bar), l.addWidget(self.stack), l.addWidget(self.bb)

        if initial_plugin is not None:
            category, name = initial_plugin[:2]
            plugin = get_plugin(category, name)
            if plugin is not None:
                self.show_plugin(plugin)
                if len(initial_plugin) > 2:
                    w = self.findChild(QWidget, initial_plugin[2])
                    if w is not None:
                        for c in self.showing_widget.children():
                            if isinstance(c, QTabWidget):
                                idx = c.indexOf(w)
                                if idx > -1:
                                    c.setCurrentIndex(idx)
                                    break
        else:
            self.hide_plugin()

    def event(self, ev):
        if isinstance(ev, QStatusTipEvent):
            msg = re.sub(r'</?[a-z1-6]+>', ' ', ev.tip())
            self.title_bar.show_msg(msg)
        return QDialog.event(self, ev)

    def run_wizard(self):
        self.run_wizard_requested.emit()
        self.accept()

    def set_tooltips_for_labels(self):

        def process_child(child):
            for g in child.children():
                if isinstance(g, QLabel):
                    buddy = g.buddy()
                    if buddy is not None and hasattr(buddy, 'toolTip'):
                        htext = unicode_type(buddy.toolTip()).strip()
                        etext = unicode_type(g.toolTip()).strip()
                        if htext and not etext:
                            g.setToolTip(htext)
                            g.setWhatsThis(htext)
                else:
                    process_child(g)

        process_child(self.showing_widget)

    def show_plugin(self, plugin):
        self.showing_widget = plugin.create_widget(self.scroll_area)
        self.showing_widget.genesis(self.gui)
        self.showing_widget.initialize()
        self.set_tooltips_for_labels()
        self.scroll_area.setWidget(self.showing_widget)
        self.stack.setCurrentIndex(1)
        self.showing_widget.show()
        self.setWindowTitle(__appname__ + ' - ' + _('Preferences') + ' - ' + plugin.gui_name)
        self.showing_widget.restart_now.connect(self.restart_now)
        self.title_bar.show_plugin(plugin)
        self.setWindowIcon(QIcon(plugin.icon))

        self.bb.button(self.bb.Close).setVisible(False)
        self.wizard_button.setVisible(False)
        for button in (self.bb.Apply, self.bb.RestoreDefaults, self.bb.Discard):
            button = self.bb.button(button)
            button.setVisible(True)

        self.bb.button(self.bb.Apply).setEnabled(False)
        self.bb.button(self.bb.Apply).setDefault(False), self.bb.button(self.bb.Apply).setDefault(True)
        self.bb.button(self.bb.RestoreDefaults).setEnabled(self.showing_widget.supports_restoring_to_defaults)
        self.bb.button(self.bb.RestoreDefaults).setToolTip(
            self.showing_widget.restore_defaults_desc if self.showing_widget.supports_restoring_to_defaults else
            (_('Restoring to defaults not supported for') + ' ' + plugin.gui_name))
        self.bb.button(self.bb.RestoreDefaults).setText(_('Restore &defaults'))
        self.showing_widget.changed_signal.connect(self.changed_signal)

    def changed_signal(self):
        b = self.bb.button(self.bb.Apply)
        b.setEnabled(True)

    def hide_plugin(self):
        for sig in 'changed_signal restart_now'.split():
            try:
                getattr(self.showing_widget, sig).disconnect(getattr(self, sig))
            except Exception:
                pass
        self.showing_widget = QWidget(self.scroll_area)
        self.scroll_area.setWidget(self.showing_widget)
        self.setWindowTitle(__appname__ + ' - ' + _('Preferences'))
        self.stack.setCurrentIndex(0)
        self.title_bar.show_plugin()
        self.setWindowIcon(QIcon(I('config.png')))

        for button in (self.bb.Apply, self.bb.RestoreDefaults, self.bb.Discard):
            button = self.bb.button(button)
            button.setVisible(False)

        self.bb.button(self.bb.Close).setVisible(True)
        self.bb.button(self.bb.Close).setDefault(False), self.bb.button(self.bb.Close).setDefault(True)
        self.wizard_button.setVisible(True)

    def restart_now(self):
        try:
            self.showing_widget.commit()
        except AbortCommit:
            return
        self.do_restart = True
        self.hide_plugin()
        self.accept()

    def commit(self, *args):
        must_restart = self.showing_widget.commit()
        rc = self.showing_widget.restart_critical
        self.committed = True
        do_restart = False
        if must_restart:
            self.must_restart = True
            msg = _('Some of the changes you made require a restart.'
                    ' Please restart calibre as soon as possible.')
            if rc:
                msg = _('The changes you have made require calibre be '
                        'restarted immediately. You will not be allowed to '
                        'set any more preferences, until you restart.')

            do_restart = show_restart_warning(msg, parent=self)

        self.showing_widget.refresh_gui(self.gui)
        if do_restart:
            self.do_restart = True
        return self.close_after_initial or (must_restart and rc) or do_restart

    def restore_defaults(self, *args):
        self.showing_widget.restore_defaults()

    def on_shutdown(self):
        gprefs.set('preferences dialog geometry', bytearray(self.saveGeometry()))
        if self.committed:
            self.gui.must_restart_before_config = self.must_restart
            self.gui.tags_view.recount()
            self.gui.create_device_menu()
            self.gui.set_device_menu_items_state(bool(self.gui.device_connected))
            self.gui.bars_manager.apply_settings()
            self.gui.bars_manager.update_bars()
            self.gui.build_context_menus()

    def accept(self):
        if self.stack.currentIndex() == 0:
            self.on_shutdown()
            return QDialog.accept(self)
        try:
            close = self.commit()
        except AbortCommit:
            return
        if close:
            self.on_shutdown()
            return QDialog.accept(self)
        self.hide_plugin()

    def reject(self):
        if self.stack.currentIndex() == 0 or self.close_after_initial:
            self.on_shutdown()
            return QDialog.reject(self)
        self.hide_plugin()
예제 #13
0
class Preferences(QDialog):
    def __init__(self, gui, initial_panel=None):
        QDialog.__init__(self, gui)
        self.l = l = QGridLayout(self)
        self.setLayout(l)
        self.setWindowTitle(_("Preferences for Edit Book"))
        self.setWindowIcon(QIcon(I("config.png")))

        self.stacks = QStackedWidget(self)
        l.addWidget(self.stacks, 0, 1, 1, 1)

        self.categories_list = cl = QListWidget(self)
        cl.currentRowChanged.connect(self.stacks.setCurrentIndex)
        cl.clearPropertyFlags()
        cl.setViewMode(cl.IconMode)
        cl.setFlow(cl.TopToBottom)
        cl.setMovement(cl.Static)
        cl.setWrapping(False)
        cl.setSpacing(15)
        cl.setWordWrap(True)
        l.addWidget(cl, 0, 0, 1, 1)

        self.bb = bb = QDialogButtonBox(QDialogButtonBox.Ok | QDialogButtonBox.Cancel)
        bb.accepted.connect(self.accept)
        bb.rejected.connect(self.reject)
        self.rdb = b = bb.addButton(_("Restore all defaults"), bb.ResetRole)
        b.setToolTip(_("Restore defaults for all preferences"))
        b.clicked.connect(self.restore_all_defaults)
        self.rcdb = b = bb.addButton(_("Restore current defaults"), bb.ResetRole)
        b.setToolTip(_("Restore defaults for currently displayed preferences"))
        b.clicked.connect(self.restore_current_defaults)
        l.addWidget(bb, 1, 0, 1, 2)

        self.resize(800, 600)
        geom = tprefs.get("preferences_geom", None)
        if geom is not None:
            self.restoreGeometry(geom)

        self.keyboard_panel = ShortcutConfig(self)
        self.keyboard_panel.initialize(gui.keyboard)
        self.editor_panel = EditorSettings(self)
        self.integration_panel = IntegrationSettings(self)
        self.main_window_panel = MainWindowSettings(self)
        self.preview_panel = PreviewSettings(self)
        self.toolbars_panel = ToolbarSettings(self)

        for name, icon, panel in [
            (_("Main window"), "page.png", "main_window"),
            (_("Editor settings"), "modified.png", "editor"),
            (_("Preview settings"), "viewer.png", "preview"),
            (_("Keyboard shortcuts"), "keyboard-prefs.png", "keyboard"),
            (_("Toolbars"), "wizard.png", "toolbars"),
            (_("Integration with calibre"), "lt.png", "integration"),
        ]:
            i = QListWidgetItem(QIcon(I(icon)), name, cl)
            cl.addItem(i)
            self.stacks.addWidget(getattr(self, panel + "_panel"))

        cl.setCurrentRow(0)
        cl.item(0).setSelected(True)
        w, h = cl.sizeHintForColumn(0), 0
        for i in xrange(cl.count()):
            h = max(h, cl.sizeHintForRow(i))
            cl.item(i).setSizeHint(QSize(w, h))

        cl.setMaximumWidth(cl.sizeHintForColumn(0) + 35)
        cl.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)

    @property
    def dictionaries_changed(self):
        return self.editor_panel.dictionaries_changed

    @property
    def toolbars_changed(self):
        return self.toolbars_panel.changed

    def restore_all_defaults(self):
        for i in xrange(self.stacks.count()):
            w = self.stacks.widget(i)
            w.restore_defaults()

    def restore_current_defaults(self):
        self.stacks.currentWidget().restore_defaults()

    def accept(self):
        tprefs.set("preferences_geom", bytearray(self.saveGeometry()))
        for i in xrange(self.stacks.count()):
            w = self.stacks.widget(i)
            w.commit()
        QDialog.accept(self)

    def reject(self):
        tprefs.set("preferences_geom", bytearray(self.saveGeometry()))
        QDialog.reject(self)
예제 #14
0
class Preferences(QMainWindow):

    run_wizard_requested = pyqtSignal()

    def __init__(self, gui, initial_plugin=None, close_after_initial=False):
        QMainWindow.__init__(self, gui)
        self.gui = gui
        self.must_restart = False
        self.committed = False
        self.close_after_initial = close_after_initial

        self.resize(930, 720)
        nh, nw = min_available_height()-25, available_width()-10
        if nh < 0:
            nh = 800
        if nw < 0:
            nw = 600
        nh = min(self.height(), nh)
        nw = min(self.width(), nw)
        self.resize(nw, nh)
        self.esc_action = QAction(self)
        self.addAction(self.esc_action)
        self.esc_action.setShortcut(QKeySequence(Qt.Key_Escape))
        self.esc_action.triggered.connect(self.esc)

        geom = gprefs.get('preferences_window_geometry', None)
        if geom is not None:
            self.restoreGeometry(geom)

        # Center
        if islinux:
            self.move(gui.rect().center() - self.rect().center())

        self.setWindowModality(Qt.WindowModal)
        self.setWindowTitle(__appname__ + ' - ' + _('Preferences'))
        self.setWindowIcon(QIcon(I('config.png')))

        self.status_bar = StatusBar(self)
        self.setStatusBar(self.status_bar)

        self.stack = QStackedWidget(self)
        self.cw = QWidget(self)
        self.cw.setLayout(QVBoxLayout())
        self.cw.layout().addWidget(self.stack)
        self.bb = QDialogButtonBox(QDialogButtonBox.Close)
        self.wizard_button = self.bb.addButton(_('Run welcome wizard'),
                self.bb.ActionRole)
        self.wizard_button.setIcon(QIcon(I('wizard.png')))
        self.wizard_button.clicked.connect(self.run_wizard,
                type=Qt.QueuedConnection)
        self.cw.layout().addWidget(self.bb)
        self.bb.button(self.bb.Close).setDefault(True)
        self.bb.rejected.connect(self.close, type=Qt.QueuedConnection)
        self.setCentralWidget(self.cw)
        self.browser = Browser(self)
        self.browser.show_plugin.connect(self.show_plugin)
        self.stack.addWidget(self.browser)
        self.scroll_area = QScrollArea(self)
        self.stack.addWidget(self.scroll_area)
        self.scroll_area.setWidgetResizable(True)

        self.setContextMenuPolicy(Qt.NoContextMenu)
        self.bar = QToolBar(self)
        self.addToolBar(self.bar)
        self.bar.setVisible(False)
        self.bar.setIconSize(QSize(ICON_SIZE, ICON_SIZE))
        self.bar.setMovable(False)
        self.bar.setFloatable(False)
        self.bar.setToolButtonStyle(Qt.ToolButtonTextBesideIcon)
        self.apply_action = self.bar.addAction(QIcon(I('ok.png')), _('&Apply'),
                self.commit)
        self.cancel_action = self.bar.addAction(QIcon(I('window-close.png')),
                _('&Cancel'),                self.cancel)
        self.bar_title = BarTitle(self.bar)
        self.bar.addWidget(self.bar_title)
        self.restore_action = self.bar.addAction(QIcon(I('clear_left.png')),
                _('Restore &defaults'), self.restore_defaults)
        for ac, tt in [('apply', _('Save changes')),
                ('cancel', _('Cancel and return to overview'))]:
            ac = getattr(self, ac+'_action')
            ac.setToolTip(tt)
            ac.setWhatsThis(tt)
            ac.setStatusTip(tt)

        for ch in self.bar.children():
            if isinstance(ch, QToolButton):
                ch.setCursor(Qt.PointingHandCursor)
                ch.setAutoRaise(True)

        self.stack.setCurrentIndex(0)

        if initial_plugin is not None:
            category, name = initial_plugin
            plugin = get_plugin(category, name)
            if plugin is not None:
                self.show_plugin(plugin)

    def run_wizard(self):
        self.close()
        self.run_wizard_requested.emit()

    def set_tooltips_for_labels(self):

        def process_child(child):
            for g in child.children():
                if isinstance(g, QLabel):
                    buddy = g.buddy()
                    if buddy is not None and hasattr(buddy, 'toolTip'):
                        htext = unicode(buddy.toolTip()).strip()
                        etext = unicode(g.toolTip()).strip()
                        if htext and not etext:
                            g.setToolTip(htext)
                            g.setWhatsThis(htext)
                else:
                    process_child(g)

        process_child(self.showing_widget)

    def show_plugin(self, plugin):
        self.showing_widget = plugin.create_widget(self.scroll_area)
        self.showing_widget.genesis(self.gui)
        self.showing_widget.initialize()
        self.set_tooltips_for_labels()
        self.scroll_area.setWidget(self.showing_widget)
        self.stack.setCurrentIndex(1)
        self.showing_widget.show()
        self.setWindowTitle(__appname__ + ' - ' + _('Preferences') + ' - ' +
                plugin.gui_name)
        self.apply_action.setEnabled(False)
        self.showing_widget.changed_signal.connect(lambda :
                self.apply_action.setEnabled(True))
        self.showing_widget.restart_now.connect(self.restart_now)
        self.restore_action.setEnabled(self.showing_widget.supports_restoring_to_defaults)
        tt = self.showing_widget.restore_defaults_desc
        if not self.restore_action.isEnabled():
            tt = _('Restoring to defaults not supported for') + ' ' + \
                plugin.gui_name
        self.restore_action.setToolTip(textwrap.fill(tt))
        self.restore_action.setWhatsThis(textwrap.fill(tt))
        self.restore_action.setStatusTip(tt)
        self.bar_title.show_plugin(plugin)
        self.setWindowIcon(QIcon(plugin.icon))
        self.bar.setVisible(True)
        self.bb.setVisible(False)

    def hide_plugin(self):
        self.showing_widget = QWidget(self.scroll_area)
        self.scroll_area.setWidget(self.showing_widget)
        self.setWindowTitle(__appname__ + ' - ' + _('Preferences'))
        self.bar.setVisible(False)
        self.stack.setCurrentIndex(0)
        self.setWindowIcon(QIcon(I('config.png')))
        self.bb.setVisible(True)

    def esc(self, *args):
        if self.stack.currentIndex() == 1:
            self.cancel()
        elif self.stack.currentIndex() == 0:
            self.close()

    def restart_now(self):
        try:
            self.showing_widget.commit()
        except AbortCommit:
            return
        self.hide_plugin()
        self.close()
        self.gui.quit(restart=True)

    def commit(self, *args):
        try:
            must_restart = self.showing_widget.commit()
        except AbortCommit:
            return
        rc = self.showing_widget.restart_critical
        self.committed = True
        do_restart = False
        if must_restart:
            self.must_restart = True
            msg = _('Some of the changes you made require a restart.'
                    ' Please restart calibre as soon as possible.')
            if rc:
                msg = _('The changes you have made require calibre be '
                        'restarted immediately. You will not be allowed to '
                        'set any more preferences, until you restart.')

            do_restart = show_restart_warning(msg, parent=self)

        self.showing_widget.refresh_gui(self.gui)
        self.hide_plugin()
        if self.close_after_initial or (must_restart and rc) or do_restart:
            self.close()
        if do_restart:
            self.gui.quit(restart=True)

    def cancel(self, *args):
        if self.close_after_initial:
            self.close()
        else:
            self.hide_plugin()

    def restore_defaults(self, *args):
        self.showing_widget.restore_defaults()

    def closeEvent(self, *args):
        gprefs.set('preferences_window_geometry',
                bytearray(self.saveGeometry()))
        if self.committed:
            self.gui.must_restart_before_config = self.must_restart
            self.gui.tags_view.recount()
            self.gui.create_device_menu()
            self.gui.set_device_menu_items_state(bool(self.gui.device_connected))
            self.gui.bars_manager.apply_settings()
            self.gui.bars_manager.update_bars()
            self.gui.build_context_menus()

        return QMainWindow.closeEvent(self, *args)
예제 #15
0
class ImageControlDialog(QDialog):
    def __init__(self, parent, rc, imgman):
        """An ImageControlDialog is initialized with a parent widget, a RenderControl object,
        and an ImageManager object"""
        QDialog.__init__(self, parent)
        image = rc.image
        self.setWindowTitle("%s: Colour Controls" % image.name)
        self.setWindowIcon(pixmaps.colours.icon())
        self.setModal(False)
        self.image = image
        self._rc = rc
        self._imgman = imgman
        self._currier = PersistentCurrier()

        # init internal state
        self._prev_range = self._display_range = None, None
        self._hist = None
        self._geometry = None

        # create layouts
        lo0 = QVBoxLayout(self)
        #    lo0.setContentsMargins(0,0,0,0)

        # histogram plot
        whide = self.makeButton("Hide", self.hide, width=128)
        whide.setShortcut(Qt.Key_F9)
        lo0.addWidget(Separator(self, "Histogram and ITF", extra_widgets=[whide]))
        lo1 = QHBoxLayout()
        lo1.setContentsMargins(0, 0, 0, 0)
        self._histplot = QwtPlot(self)
        self._histplot.setAutoDelete(False)
        lo1.addWidget(self._histplot, 1)
        lo2 = QHBoxLayout()
        lo2.setContentsMargins(0, 0, 0, 0)
        lo2.setSpacing(2)
        lo0.addLayout(lo2)
        lo0.addLayout(lo1)
        self._wautozoom = QCheckBox("autozoom", self)
        self._wautozoom.setChecked(True)
        self._wautozoom.setToolTip("""<P>If checked, then the histrogram plot will zoom in automatically when
      you narrow the current intensity range.</P>""")
        self._wlogy = QCheckBox("log Y", self)
        self._wlogy.setChecked(True)
        self._ylogscale = True
        self._wlogy.setToolTip(
            """<P>If checked, a log-scale Y axis is used for the histogram plot instead of a linear one.""")
        self._wlogy.toggled[bool].connect(self._setHistLogScale)
        self._whistunzoom = self.makeButton("", self._unzoomHistogram, icon=pixmaps.full_range.icon())
        self._whistzoomout = self.makeButton("-", self._currier.curry(self._zoomHistogramByFactor, math.sqrt(.1)))
        self._whistzoomin = self.makeButton("+", self._currier.curry(self._zoomHistogramByFactor, math.sqrt(10)))
        self._whistzoomin.setToolTip("""<P>Click to zoom into the histogram plot by one step. This does not
      change the current intensity range.</P>""")
        self._whistzoomout.setToolTip("""<P>Click to zoom out of the histogram plot by one step. This does not
      change the current intensity range.</P>""")
        self._whistunzoom.setToolTip("""<P>Click to reset the histogram plot back to its full extent.
      This does not change the current intensity range.</P>""")
        self._whistzoom = QwtWheel(self)
        self._whistzoom.setMass(0.5)
        self._whistzoom.setOrientation(Qt.Horizontal)
        self._whistzoom.setMaximumWidth(80)
        self._whistzoom.setRange(0, 10)
        self._whistzoom.setSingleStep(0.1)
        self._whistzoom.setPageStepCount(1)
        self._whistzoom.setTickCount(30)
        self._whistzoom.setTracking(False)
        self._whistzoom.valueChanged['double'].connect(self._zoomHistogramFinalize)
        self._whistzoom.wheelMoved['double'].connect(self._zoomHistogramPreview)
        self._whistzoom.setToolTip("""<P>Use this wheel control to zoom in/out of the histogram plot.
      This does not change the current intensity range.
      Note that the zoom wheel should also respond to your mouse wheel, if you have one.</P>""")
        # This works around a stupid bug in QwtSliders -- when using the mousewheel, only sliderMoved() signals are emitted,
        # with no final  valueChanged(). If we want to do a fast preview of something on sliderMoved(), and a "slow" final
        # step on valueChanged(), we're in trouble. So we start a timer on sliderMoved(), and if the timer expires without
        # anything else happening, do a valueChanged().
        # Here we use a timer to call zoomHistogramFinalize() w/o an argument.
        self._whistzoom_timer = QTimer(self)
        self._whistzoom_timer.setSingleShot(True)
        self._whistzoom_timer.setInterval(500)
        self._whistzoom_timer.timeout.connect(self._zoomHistogramFinalize)
        # set same size for all buttons and controls
        width = 24
        for w in self._whistunzoom, self._whistzoomin, self._whistzoomout:
            w.setMinimumSize(width, width)
            w.setMaximumSize(width, width)
        self._whistzoom.setMinimumSize(80, width)
        self._wlab_histpos_text = "(hover for help)"
        self._wlab_histpos = QLabel(self._wlab_histpos_text, self)
        help_font = QFont()
        help_font.setPointSize(8)
        self._wlab_histpos.setFont(help_font)
        self._wlab_histpos.setToolTip("""
      <P>The plot shows a histogram of either the full image or its selected subset
      (as per the "Data subset" section below).</P>
      <P>The current intensity range is indicated by the grey box
      in the plot.</P>
      <P>Use the left mouse button to change the low intensity limit, and the right
      button (on Macs, use Ctrl-click) to change the high limit.</P>
      <P>Use Shift with the left mouse button to zoom into an area of the histogram,
      or else use the "zoom wheel" control or the plus/minus toolbuttons above the histogram to zoom in or out.
      To zoom back out to the full extent of the histogram, click on the rightmost button above the histogram.</P>
      """)
        lo2.addWidget(self._wlab_histpos, 1)
        lo2.addWidget(self._wautozoom)
        lo2.addWidget(self._wlogy, 0)
        lo2.addWidget(self._whistzoomin, 0)
        lo2.addWidget(self._whistzoom, 0)
        lo2.addWidget(self._whistzoomout, 0)
        lo2.addWidget(self._whistunzoom, 0)
        self._zooming_histogram = False

        sliced_axes = rc.slicedAxes()
        dprint(1, "sliced axes are", sliced_axes)
        self._stokes_axis = None

        # subset indication
        lo0.addWidget(Separator(self, "Data subset"))
        # sliced axis selectors
        self._wslicers = []
        if sliced_axes:
            lo1 = QHBoxLayout()
            lo1.setContentsMargins(0, 0, 0, 0)
            lo1.setSpacing(2)
            lo0.addLayout(lo1)
            lo1.addWidget(QLabel("Current slice:  ", self))
            for i, (iextra, name, labels) in enumerate(sliced_axes):
                lo1.addWidget(QLabel("%s:" % name, self))
                if name == "STOKES":
                    self._stokes_axis = iextra
                # add controls
                wslicer = QComboBox(self)
                self._wslicers.append(wslicer)
                wslicer.addItems(labels)
                wslicer.setToolTip("""<P>Selects current slice along the %s axis.</P>""" % name)
                wslicer.setCurrentIndex(self._rc.currentSlice()[iextra])
                wslicer.activated[int].connect(self._currier.curry(self._rc.changeSlice, iextra))
                lo2 = QVBoxLayout()
                lo1.addLayout(lo2)
                lo2.setContentsMargins(0, 0, 0, 0)
                lo2.setSpacing(0)
                wminus = QToolButton(self)
                wminus.setArrowType(Qt.UpArrow)
                wminus.clicked.connect(self._currier.curry(self._rc.incrementSlice, iextra, 1))
                if i == 0:
                    wminus.setShortcut(Qt.SHIFT + Qt.Key_F7)
                elif i == 1:
                    wminus.setShortcut(Qt.SHIFT + Qt.Key_F8)
                wplus = QToolButton(self)
                wplus.setArrowType(Qt.DownArrow)
                wplus.clicked.connect(self._currier.curry(self._rc.incrementSlice, iextra, -1))
                if i == 0:
                    wplus.setShortcut(Qt.Key_F7)
                elif i == 1:
                    wplus.setShortcut(Qt.Key_F8)
                wminus.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed)
                wplus.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed)
                sz = QSize(12, 8)
                wminus.setMinimumSize(sz)
                wplus.setMinimumSize(sz)
                wminus.resize(sz)
                wplus.resize(sz)
                lo2.addWidget(wminus)
                lo2.addWidget(wplus)
                lo1.addWidget(wslicer)
                lo1.addSpacing(5)
            lo1.addStretch(1)
        # subset indicator
        lo1 = QHBoxLayout()
        lo1.setContentsMargins(0, 0, 0, 0)
        lo1.setSpacing(2)
        lo0.addLayout(lo1)
        self._wlab_subset = QLabel("Subset: xxx", self)
        self._wlab_subset.setToolTip("""<P>This indicates the current data subset to which the histogram
      and the stats given here apply. Use the "Reset to" control on the right to change the
      current subset and recompute the histogram and stats.</P>""")
        lo1.addWidget(self._wlab_subset, 1)

        self._wreset_full = self.makeButton("\u2192 full", self._rc.setFullSubset)
        lo1.addWidget(self._wreset_full)
        if sliced_axes:
            #      if self._stokes_axis is not None and len(sliced_axes)>1:
            #        self._wreset_stokes = self.makeButton(u"\u21920Stokes",self._rc.setFullSubset)
            self._wreset_slice = self.makeButton("\u2192 slice", self._rc.setSliceSubset)
            lo1.addWidget(self._wreset_slice)
        else:
            self._wreset_slice = None

        # min/max controls
        lo1 = QHBoxLayout()
        lo1.setContentsMargins(0, 0, 0, 0)
        lo0.addLayout(lo1, 0)
        self._wlab_stats = QLabel(self)
        self._wlab_stats.setWordWrap(True)
        self._wlab_stats.setMinimumWidth(384)
        lo1.addWidget(self._wlab_stats, 0)
        self._wmore_stats = self.makeButton("more...", self._showMeanStd)
        self._wlab_stats.setMinimumHeight(self._wmore_stats.height())
        lo1.addWidget(self._wmore_stats, 0)
        lo1.addStretch(1)

        # intensity controls
        lo0.addWidget(Separator(self, "Intensity mapping"))
        lo1 = QHBoxLayout()
        lo1.setContentsMargins(0, 0, 0, 0)
        lo1.setSpacing(2)
        lo0.addLayout(lo1, 0)
        self._range_validator = FloatValidator(self)
        self._wrange = QLineEdit(self), QLineEdit(self)
        self._wrange[0].setToolTip("""<P>This is the low end of the intensity range.</P>""")
        self._wrange[1].setToolTip("""<P>This is the high end of the intensity range.</P>""")
        for w in self._wrange:
            w.setValidator(self._range_validator)
            w.editingFinished.connect(self._changeDisplayRange)
        lo1.addWidget(QLabel("low:", self), 0)
        lo1.addWidget(self._wrange[0], 1)
        self._wrangeleft0 = self.makeButton("\u21920", self._setZeroLeftLimit, width=32)
        self._wrangeleft0.setToolTip("""<P>Click this to set the low end of the intensity range to 0.</P>""")
        lo1.addWidget(self._wrangeleft0, 0)
        lo1.addSpacing(8)
        lo1.addWidget(QLabel("high:", self), 0)
        lo1.addWidget(self._wrange[1], 1)
        lo1.addSpacing(8)
        self._wrange_full = self.makeButton(None, self._setHistDisplayRange, icon=pixmaps.intensity_graph.icon())
        lo1.addWidget(self._wrange_full)
        self._wrange_full.setToolTip(
            """<P>Click this to reset the intensity range to the current extent of the histogram plot.</P>""")
        # add menu for display range
        range_menu = QMenu(self)
        wrange_menu = QToolButton(self)
        wrange_menu.setText("Reset to")
        wrange_menu.setToolTip("""<P>Use this to reset the intensity range to various pre-defined settings.</P>""")
        lo1.addWidget(wrange_menu)
        self._qa_range_full = range_menu.addAction(pixmaps.full_range.icon(), "Full subset",
                                                   self._rc.resetSubsetDisplayRange)
        self._qa_range_hist = range_menu.addAction(pixmaps.intensity_graph.icon(), "Current histogram limits",
                                                   self._setHistDisplayRange)
        for percent in (99.99, 99.9, 99.5, 99, 98, 95):
            range_menu.addAction("%g%%" % percent, self._currier.curry(self._changeDisplayRangeToPercent, percent))
        wrange_menu.setMenu(range_menu)
        wrange_menu.setPopupMode(QToolButton.InstantPopup)

        lo1 = QGridLayout()
        lo1.setContentsMargins(0, 0, 0, 0)
        lo0.addLayout(lo1, 0)
        self._wimap = QComboBox(self)
        lo1.addWidget(QLabel("Intensity policy:", self), 0, 0)
        lo1.addWidget(self._wimap, 1, 0)
        self._wimap.addItems(rc.getIntensityMapNames())
        self._wimap.currentIndexChanged[int].connect(self._rc.setIntensityMapNumber)
        self._wimap.setToolTip("""<P>Use this to change the type of the intensity transfer function (ITF).</P>""")

        # log cycles control
        lo1.setColumnStretch(1, 1)
        self._wlogcycles_label = QLabel("Log cycles: ", self)
        lo1.addWidget(self._wlogcycles_label, 0, 1)
        #    self._wlogcycles = QwtWheel(self)
        #    self._wlogcycles.setTotalAngle(360)
        self._wlogcycles = QwtSlider(self)
        self._wlogcycles.setToolTip(
            """<P>Use this to change the log-base for the logarithmic intensity transfer function (ITF).</P>""")
        # This works around a stupid bug in QwtSliders -- see comments on histogram zoom wheel above
        self._wlogcycles_timer = QTimer(self)
        self._wlogcycles_timer.setSingleShot(True)
        self._wlogcycles_timer.setInterval(500)
        self._wlogcycles_timer.timeout.connect(self._setIntensityLogCycles)
        lo1.addWidget(self._wlogcycles, 1, 1)
        # self._wlogcycles.setRange(1., 10)  # need to find 6.1.5 change from v5
        self._wlogcycles.setScale(1., 10)
        # self._wlogcycles.setStep(0.1)  # need to find 6.1.5 change from v5
        # self._wlogcycles.setScaleStepSize(0.1)
        self._wlogcycles.setTracking(False)
        self._wlogcycles.valueChanged.connect(self._setIntensityLogCycles)
        self._wlogcycles.sliderMoved.connect(self._previewIntensityLogCycles)
        self._updating_imap = False

        # lock intensity map
        lo1 = QHBoxLayout()
        lo1.setContentsMargins(0, 0, 0, 0)
        lo0.addLayout(lo1, 0)
        #    lo1.addWidget(QLabel("Lock range accross",self))
        wlock = QCheckBox("Lock display range", self)
        wlock.setMinimumWidth(192)
        wlock.setToolTip("""<P>If checked, then the intensity range will be locked. The ranges of all locked images
      change simultaneously.</P>""")
        lo1.addWidget(wlock)
        wlockall = QToolButton(self)
        wlockall.setIcon(pixmaps.locked.icon())
        wlockall.setText("Lock all to this")
        wlockall.setToolButtonStyle(Qt.ToolButtonTextBesideIcon)
        wlockall.setAutoRaise(True)
        wlockall.setToolTip("""<P>Click this to lock together the intensity ranges of all images.</P>""")
        lo1.addWidget(wlockall)
        wunlockall = QToolButton(self)
        wunlockall.setIcon(pixmaps.unlocked.icon())
        wunlockall.setText("Unlock all")
        wunlockall.setToolButtonStyle(Qt.ToolButtonTextBesideIcon)
        wunlockall.setAutoRaise(True)
        wunlockall.setToolTip("""<P>Click this to unlock the intensity ranges of all images.</P>""")
        lo1.addWidget(wunlockall)
        wlock.setChecked(self._rc.isDisplayRangeLocked())
        wlock.clicked[bool].connect(self._rc.lockDisplayRange)
        wlockall.clicked.connect(self._currier.curry(self._imgman.lockAllDisplayRanges, self._rc))
        wunlockall.clicked.connect(self._imgman.unlockAllDisplayRanges)
        self._rc.displayRangeLocked.connect(wlock.setChecked)

        #    self._wlock_imap_axis = [ QCheckBox(name,self) for iaxis,name,labels in sliced_axes ]
        #    for iw,w in enumerate(self._wlock_imap_axis):
        #      QObject.connect(w,pyqtSignal("toggled(bool)"),self._currier.curry(self._rc.lockDisplayRangeForAxis,iw))
        #      lo1.addWidget(w,0)
        lo1.addStretch(1)

        # lo0.addWidget(Separator(self,"Colourmap"))
        # color bar
        self._colorbar = QwtPlot(self)
        lo0.addWidget(self._colorbar)
        self._colorbar.setAutoDelete(False)
        self._colorbar.setMinimumHeight(32)
        self._colorbar.enableAxis(QwtPlot.yLeft, False)
        self._colorbar.enableAxis(QwtPlot.xBottom, False)
        # color plot
        self._colorplot = QwtPlot(self)
        lo0.addWidget(self._colorplot)
        self._colorplot.setAutoDelete(False)
        self._colorplot.setMinimumHeight(64)
        self._colorplot.enableAxis(QwtPlot.yLeft, False)
        self._colorplot.enableAxis(QwtPlot.xBottom, False)
        # self._colorplot.setSizePolicy(QSizePolicy.Expanding,QSizePolicy.Preferred)
        self._colorbar.hide()
        self._colorplot.hide()
        # color controls
        lo1 = QHBoxLayout()
        lo1.setContentsMargins(0, 0, 0, 0)
        lo0.addLayout(lo1, 1)
        lo1.addWidget(QLabel("Colourmap:", self))
        # colormap list
        ### NB: use setIconSize() and icons in QComboBox!!!
        self._wcolmaps = QComboBox(self)
        self._wcolmaps.setIconSize(QSize(128, 16))
        self._wcolmaps.setToolTip("""<P>Use this to select a different colourmap.</P>""")
        for cmap in self._rc.getColormapList():
            self._wcolmaps.addItem(QIcon(cmap.makeQPixmap(128, 16)), cmap.name)
        lo1.addWidget(self._wcolmaps)
        self._wcolmaps.activated[int].connect(self._rc.setColorMapNumber)
        # add widgetstack for colormap controls
        self._wcolmap_control_stack = QStackedWidget(self)
        self._wcolmap_control_blank = QWidget(self._wcolmap_control_stack)
        self._wcolmap_control_stack.addWidget(self._wcolmap_control_blank)
        lo0.addWidget(self._wcolmap_control_stack)
        self._colmap_controls = []
        # add controls to stack
        for index, cmap in enumerate(self._rc.getColormapList()):
            if isinstance(cmap, Colormaps.ColormapWithControls):
                controls = cmap.makeControlWidgets(self._wcolmap_control_stack)
                self._wcolmap_control_stack.addWidget(controls)
                cmap.colormapChanged.connect(self._currier.curry(self._previewColormapParameters, index, cmap))
                cmap.colormapPreviewed.connect(self._currier.curry(self._previewColormapParameters, index, cmap))
                self._colmap_controls.append(controls)
            else:
                self._colmap_controls.append(self._wcolmap_control_blank)

        # connect updates from renderControl and image
        self.image.signalSlice.connect(self._updateImageSlice)
        self._rc.intensityMapChanged.connect(self._updateIntensityMap)
        self._rc.colorMapChanged.connect(self._updateColorMap)
        self._rc.dataSubsetChanged.connect(self._updateDataSubset)
        self._rc.displayRangeChanged.connect(self._updateDisplayRange)

        # update widgets
        self._setupHistogramPlot()
        self._updateDataSubset(*self._rc.currentSubset())
        self._updateColorMap(image.colorMap())
        self._updateIntensityMap(rc.currentIntensityMap(), rc.currentIntensityMapNumber())
        self._updateDisplayRange(*self._rc.displayRange())

    def makeButton(self, label, callback=None, width=None, icon=None):
        btn = QToolButton(self)
        #    btn.setAutoRaise(True)
        label and btn.setText(label)
        icon and btn.setIcon(icon)
        #    btn = QPushButton(label,self)
        #   btn.setFlat(True)
        if width:
            btn.setMinimumWidth(width)
            btn.setMaximumWidth(width)
        if icon:
            btn.setIcon(icon)
        if callback:
            btn.clicked.connect(callback)
        return btn

    #  def closeEvent (self,ev):
    #    ev.ignore()
    #    self.hide()

    def hide(self):
        self._geometry = self.geometry()
        QDialog.hide(self)
        self.parent().setVisible(False)

    def show(self):
        dprint(4, "show entrypoint")
        if self._geometry:
            dprint(4, "setting geometry")
            self.setGeometry(self._geometry)
        if self._hist is None:
            busy = BusyIndicator()
            dprint(4, "updating histogram")
            self._updateHistogram()
            dprint(4, "updating stats")
            self._updateStats(self._subset, self._subset_range)
            busy.reset_cursor()
        dprint(4, "calling QDialog.show")
        QDialog.show(self)

    # number of bins used to compute intensity transfer function
    NumItfBins = 1000
    # number of bins used for displaying histograms
    NumHistBins = 500
    # number of bins used for high-res histograms
    NumHistBinsHi = 10000
    # colorbar height, as fraction of plot area
    ColorBarHeight = 0.1

    class HistLimitPicker(QwtPlotPicker):
        """Auguments QwtPlotPicker with functions for selecting hist min/max values"""

        def __init__(self, plot, label, color="green", mode=QwtPickerClickPointMachine(),
                     rubber_band=QwtPicker.VLineRubberBand, tracker_mode=QwtPicker.ActiveOnly, track=None):
            QwtPlotPicker.__init__(self, QwtPlot.xBottom, QwtPlot.yRight, rubber_band, tracker_mode,
                                   plot.canvas())

            self.setStateMachine(mode)
            self.plot = plot
            self.label = label
            self.track = track
            self.color = QColor(color)
            self.setRubberBandPen(QPen(self.color))
            self.setRubberBand(rubber_band)

        def trackerText(self, pos):
            x, y = self.plot.invTransform(QwtPlot.xBottom, pos.x()), self.plot.invTransform(QwtPlot.yLeft, pos.y())
            if self.track:
                text = self.track(x, y)
                if text is not None:
                    return text
            if self.label:
                text = QwtText(self.label % dict(x=x, y=y))
                text.setColor(self.color)
                return text
            return QwtText()

        def widgetLeaveEvent(self, ev):
            if self.track:
                self.track(None, None)
            QwtPlotPicker.widgetLeaveEvent(self, ev)

    class ColorBarPlotItem(QwtPlotItem):
        def __init__(self, y0, y1, *args):
            QwtPlotItem.__init__(self, *args)
            self.RenderAntialiased
            self.imap = None
            self.cmap = None
            self._y0 = y1
            self._dy = y1 - y0

        def setIntensityMap(self, imap):
            self.imap = imap

        def setColorMap(self, cmap):
            self.cmap = cmap

        def draw(self, painter, xmap, ymap, rect):
            """Implements QwtPlotItem.draw(), to render the colorbar on the given painter."""
            xp1, xp2, xdp, xs1, xs2, xds = xinfo = xmap.p1(), xmap.p2(), xmap.pDist(), xmap.s1(), xmap.s2(), xmap.sDist()
            yp1, yp2, ydp, ys1, ys2, yds = yinfo = ymap.p1(), ymap.p2(), ymap.pDist(), ymap.s1(), ymap.s2(), ymap.sDist()
            # xp: coordinates of pixels xp1...xp2 in data units
            xp = xs1 + (xds / xdp) * (0.5 + numpy.arange(int(xdp)))
            # convert y0 and y1 into pixel coordinates
            y0 = yp1 - (self._y0 - ys1) * (ydp / yds)
            dy = self._dy * (ydp / yds)
            # remap into an Nx1 image
            qimg = self.cmap.colorize(self.imap.remap(xp.reshape((len(xp), 1))))
            # plot image
            painter.drawImage(QRect(xp1, y0, xdp, dy), qimg)

    class HistogramLineMarker:
        """Helper class implementing a line marker for a histogram plot"""

        def __init__(self, plot, color="black", linestyle=Qt.DotLine, align=Qt.AlignBottom | Qt.AlignRight, z=90,
                     label="", zlabel=None, linewidth=1, spacing=2,
                     yaxis=QwtPlot.yRight):
            self.line = TiggerPlotCurve()
            self.line.setRenderHint(QwtPlotItem.RenderAntialiased)
            self.color = color = color if isinstance(color, QColor) else QColor(color)
            self.line.setPen(QPen(color, linewidth, linestyle))
            self.marker = TiggerPlotMarker()
            self.marker.setRenderHint(QwtPlotItem.RenderAntialiased)
            self.marker.setLabelAlignment(align)
            try:
                self.marker.setSpacing(spacing)
            except AttributeError:
                pass
            self.setText(label)
            self.line.setZ(z)
            self.marker.setZ(zlabel if zlabel is not None else z)
            # set axes -- using yRight, since that is the "markup" z-axis
            self.line.setAxes(QwtPlot.xBottom, yaxis)
            self.marker.setAxes(QwtPlot.xBottom, yaxis)
            # attach to plot
            self.line.attach(plot)
            self.marker.attach(plot)

        def show(self):
            self.line.show()
            self.marker.show()

        def hide(self):
            self.line.hide()
            self.marker.hide()

        def setText(self, text):
            label = QwtText(text)
            label.setColor(self.color)
            self.marker.setLabel(label)

    def _setupHistogramPlot(self):
        self._histplot.setCanvasBackground(QColor("lightgray"))
        self._histplot.setAxisFont(QwtPlot.yLeft, QApplication.font())
        self._histplot.setAxisFont(QwtPlot.xBottom, QApplication.font())
        # add histogram curves
        self._histcurve1 = TiggerPlotCurve()
        self._histcurve1.setRenderHint(QwtPlotItem.RenderAntialiased)
        self._histcurve2 = TiggerPlotCurve()
        self._histcurve2.setRenderHint(QwtPlotItem.RenderAntialiased)
        self._histcurve1.setStyle(QwtPlotCurve.Steps)
        self._histcurve2.setStyle(QwtPlotCurve.Steps)
        self._histcurve1.setPen(QPen(Qt.NoPen))
        self._histcurve1.setBrush(QBrush(QColor("slategrey")))
        pen = QPen(QColor("red"))
        pen.setWidth(1)
        self._histcurve2.setPen(pen)
        self._histcurve1.setZ(0)
        self._histcurve2.setZ(100)
        #    self._histcurve1.attach(self._histplot)
        self._histcurve2.attach(self._histplot)
        # add maxbin and half-max curves
        self._line_0 = self.HistogramLineMarker(self._histplot, color="grey50", linestyle=Qt.SolidLine,
                                                align=Qt.AlignTop | Qt.AlignLeft, z=90)
        self._line_mean = self.HistogramLineMarker(self._histplot, color="black", linestyle=Qt.SolidLine,
                                                   align=Qt.AlignBottom | Qt.AlignRight, z=91,
                                                   label="mean", zlabel=151)
        self._line_std = self.HistogramLineMarker(self._histplot, color="black", linestyle=Qt.SolidLine,
                                                  align=Qt.AlignTop | Qt.AlignRight, z=91,
                                                  label="std", zlabel=151)
        sym = QwtSymbol()
        sym.setStyle(QwtSymbol.VLine)
        sym.setSize(8)
        self._line_std.line.setSymbol(sym)
        self._line_maxbin = self.HistogramLineMarker(self._histplot, color="green", linestyle=Qt.DotLine,
                                                     align=Qt.AlignTop | Qt.AlignRight, z=92,
                                                     label="max bin", zlabel=150)
        self._line_halfmax = self.HistogramLineMarker(self._histplot, color="green", linestyle=Qt.DotLine,
                                                      align=Qt.AlignBottom | Qt.AlignRight, z=90,
                                                      label="half-max", yaxis=QwtPlot.yLeft)
        # add current range
        self._rangebox = TiggerPlotCurve()
        self._rangebox.setRenderHint(QwtPlotItem.RenderAntialiased)
        self._rangebox.setStyle(QwtPlotCurve.Steps)
        self._rangebox.setYAxis(QwtPlot.yRight)
        self._rangebox.setPen(QPen(Qt.NoPen))
        self._rangebox.setBrush(QBrush(QColor("darkgray")))
        self._rangebox.setZ(50)
        self._rangebox.attach(self._histplot)
        self._rangebox2 = TiggerPlotCurve()
        self._rangebox2.setRenderHint(QwtPlotItem.RenderAntialiased)
        self._rangebox2.setStyle(QwtPlotCurve.Sticks)
        self._rangebox2.setYAxis(QwtPlot.yRight)
        self._rangebox2.setZ(60)
        #  self._rangebox2.attach(self._histplot)
        # add intensity transfer function
        self._itfcurve = TiggerPlotCurve()
        self._itfcurve.setRenderHint(QwtPlotItem.RenderAntialiased)
        self._itfcurve.setStyle(QwtPlotCurve.Lines)
        self._itfcurve.setPen(QPen(QColor("blue")))
        self._itfcurve.setYAxis(QwtPlot.yRight)
        self._itfcurve.setZ(120)
        self._itfcurve.attach(self._histplot)
        self._itfmarker = TiggerPlotMarker()
        self._itfmarker.setRenderHint(QwtPlotItem.RenderAntialiased)
        label = QwtText("ITF")
        label.setColor(QColor("blue"))
        self._itfmarker.setLabel(label)
        try:
            self._itfmarker.setSpacing(0)
        except AttributeError:
            pass
        self._itfmarker.setLabelAlignment(Qt.AlignTop | Qt.AlignRight)
        self._itfmarker.setZ(120)
        self._itfmarker.attach(self._histplot)
        # add colorbar
        self._cb_item = self.ColorBarPlotItem(1, 1 + self.ColorBarHeight)
        self._cb_item.setYAxis(QwtPlot.yRight)
        self._cb_item.attach(self._histplot)
        # add pickers
        self._hist_minpicker = self.HistLimitPicker(self._histplot, "low: %(x).4g")
        self._hist_minpicker.setMousePattern(QwtEventPattern.MouseSelect1, Qt.LeftButton)
        self._hist_minpicker.selected.connect(self._selectLowLimit)
        self._hist_maxpicker = self.HistLimitPicker(self._histplot, "high: %(x).4g")
        self._hist_maxpicker.setMousePattern(QwtEventPattern.MouseSelect1, Qt.RightButton)
        self._hist_maxpicker.selected.connect(self._selectHighLimit)
        self._hist_maxpicker1 = self.HistLimitPicker(self._histplot, "high: %(x).4g")
        self._hist_maxpicker1.setMousePattern(QwtEventPattern.MouseSelect1, Qt.LeftButton, Qt.ControlModifier)
        self._hist_maxpicker1.selected.connect(self._selectHighLimit)
        self._hist_zoompicker = self.HistLimitPicker(self._histplot, label="zoom",
                                                     tracker_mode=QwtPicker.AlwaysOn, track=self._trackHistCoordinates,
                                                     color="black",
                                                     mode=QwtPickerClickRectMachine(),
                                                     rubber_band=QwtPicker.RectRubberBand)
        self._hist_zoompicker.setMousePattern(QwtEventPattern.MouseSelect1, Qt.LeftButton, Qt.ShiftModifier)
        # self._hist_zoompicker.selected[QRectF].connect(self._zoomHistogramIntoRect)
        self._hist_zoompicker.selected.connect(self._zoomHistogramIntoRect)

    def _trackHistCoordinates(self, x, y):
        self._wlab_histpos.setText((DataValueFormat + " %d") % (x, y) if x is not None else self._wlab_histpos_text)
        return QwtText()

    def _updateITF(self):
        """Updates current ITF array."""
        # do nothing if no histogram -- means we're not visible
        if self._hist is not None:
            xdata = self._itf_bins
            ydata = self.image.intensityMap().remap(xdata)
            self._rangebox.setData(self._rc.displayRange(), [1, 1])
            self._rangebox2.setData(self._rc.displayRange(), [1, 1])
            self._itfcurve.setData(xdata, ydata)
            self._itfmarker.setValue(xdata[0], 1)

    def _updateHistogram(self, hmin=None, hmax=None):
        """Recomputes histogram. If no arguments, computes full histogram for
        data subset. If hmin/hmax is specified, computes zoomed-in histogram."""
        busy = BusyIndicator()
        self._prev_range = self._display_range
        dmin, dmax = self._subset_range
        hmin0, hmax0 = dmin, dmax
        if hmin0 >= hmax0:
            hmax0 = hmin0 + 1
        subset, mask = self.image.optimalRavel(self._subset)
        # compute full-subset hi-res histogram, if we don't have one (for percentile stats)
        if self._hist_hires is None:
            dprint(1, "computing histogram for full subset range", hmin0, hmax0)
            self._hist_hires = measurements.histogram(subset, hmin0, hmax0, self.NumHistBinsHi, labels=mask,
                                                      index=None if mask is None else False)
            self._hist_bins_hires = hmin0 + (hmax0 - hmin0) * (numpy.arange(self.NumHistBinsHi) + 0.5) / float(
                self.NumHistBinsHi)
            self._hist_binsize_hires = (hmax0 - hmin0) / self.NumHistBins
        # if hist limits not specified, then compute lo-res histogram based on the hi-res one
        if hmin is None:
            hmin, hmax = hmin0, hmax0
            # downsample to low-res histogram
            self._hist = self._hist_hires.reshape((self.NumHistBins, int(self.NumHistBinsHi / self.NumHistBins))).sum(1)
        else:
            # zoomed-in low-res histogram
            # bracket limits at subset range
            hmin, hmax = max(hmin, dmin), min(hmax, dmax)
            if hmin >= hmax:
                hmax = hmin + 1
            dprint(1, "computing histogram for", self._subset.shape, self._subset.dtype, hmin, hmax)
            self._hist = measurements.histogram(subset, hmin, hmax, self.NumHistBins, labels=mask,
                                                index=None if mask is None else False)
        dprint(1, "histogram computed")
        # compute bins
        self._itf_bins = hmin + (hmax - hmin) * (numpy.arange(self.NumItfBins)) / (float(self.NumItfBins) - 1)
        self._hist_bins = hmin + (hmax - hmin) * (numpy.arange(self.NumHistBins) + 0.5) / float(self.NumHistBins)
        # histogram range and position of peak
        self._hist_range = hmin, hmax
        self._hist_min, self._hist_max, self._hist_imin, self._hist_imax = measurements.extrema(self._hist)
        self._hist_peak = self._hist_bins[self._hist_imax]
        # set controls accordingly
        if dmin >= dmax:
            dmax = dmin + 1
        zoom = math.log10((dmax - dmin) / (hmax - hmin))
        self._whistzoom.setValue(zoom)
        self._whistunzoom.setEnabled(zoom > 0)
        self._whistzoomout.setEnabled(zoom > 0)
        # reset scales
        self._histplot.setAxisScale(QwtPlot.xBottom, hmin, hmax)
        self._histplot.setAxisScale(QwtPlot.yRight, 0, 1 + self.ColorBarHeight)
        # update curves
        # call _setHistLogScale() (with current setting) to update axis scales and set data
        self._setHistLogScale(self._ylogscale, replot=False)
        # set plot lines
        self._line_0.line.setData([0, 0], [0, 1])
        self._line_0.marker.setValue(0, 0)
        self._line_maxbin.line.setData([self._hist_peak, self._hist_peak], [0, 1])
        self._line_maxbin.marker.setValue(self._hist_peak, 0)
        self._line_maxbin.setText(("max bin:" + DataValueFormat) % self._hist_peak)
        # set half-max line
        self._line_halfmax.line.setData(self._hist_range, [self._hist_max / 2, self._hist_max / 2])
        self._line_halfmax.marker.setValue(hmin, self._hist_max / 2)
        # update ITF
        self._updateITF()
        busy.reset_cursor()

    def _updateStats(self, subset, minmax):
        """Recomputes subset statistics."""
        if subset.size <= (2048 * 2048):
            self._showMeanStd(busy=False)
        else:
            self._wlab_stats.setText(
                ("min: %s  max: %s  np: %d" % (DataValueFormat, DataValueFormat, self._subset.size)) % minmax)
            self._wmore_stats.show()

    def _updateDataSubset(self, subset, minmax, desc, subset_type):
        """Called when the displayed data subset is changed. Updates the histogram."""
        self._subset = subset
        self._subset_range = minmax
        self._wlab_subset.setText("Subset: %s" % desc)
        self._hist = self._hist_hires = None
        self._wreset_full.setVisible(subset_type is not RenderControl.SUBSET_FULL)
        self._wreset_slice and self._wreset_slice.setVisible(subset_type is not RenderControl.SUBSET_SLICE)
        # hide the mean/std markers, they will only be shown when _showMeanStd() is called
        self._line_mean.hide()
        self._line_std.hide()
        # if we're visibile, recompute histograms and stats
        if self.isVisible():
            # if subset is sufficiently small, compute extended stats on-the-fly. Else show the "more" button to compute them later
            self._updateHistogram()
            self._updateStats(subset, minmax)
            self._histplot.replot()

    def _showMeanStd(self, busy=True):
        if busy:
            busy = BusyIndicator()
        dmin, dmax = self._subset_range
        subset, mask = self.image.optimalRavel(self._subset)
        dprint(5, "computing mean")
        mean = measurements.mean(subset, labels=mask, index=None if mask is None else False)
        dprint(5, "computing std")
        std = measurements.standard_deviation(subset, labels=mask, index=None if mask is None else False)
        dprint(5, "done")
        text = "  ".join([("%s: " + DataValueFormat) % (name, value) for name, value in
                          (("min", dmin), ("max", dmax), ("mean", mean), ("\n std", std))] + ["np: %d" % self._subset.size])
        self._wlab_stats.setText(text)
        self._wmore_stats.hide()
        # update markers
        ypos = 0.3
        self._line_mean.line.setData([mean, mean], [0, 1])
        self._line_mean.marker.setValue(mean, ypos)
        self._line_mean.setText(("\u03BC=" + DataValueFormat) % mean)
        self._line_mean.show()
        self._line_std.line.setData([mean - std, mean + std], [ypos, ypos])
        self._line_std.marker.setValue(mean, ypos)
        self._line_std.setText(("\u03C3=" + DataValueFormat) % std)
        self._line_std.show()
        self._histplot.replot()
        if not isinstance(busy, bool):
            busy.reset_cursor()

    def _setIntensityLogCyclesLabel(self, value):
        self._wlogcycles_label.setText("Log cycles: %4.1f" % value)

    def _previewIntensityLogCycles(self, value):
        self._setIntensityLogCycles(value, notify_image=False, write_config=False)
        self._wlogcycles_timer.start(500)

    def _setIntensityLogCycles(self, value=None, notify_image=True, write_config=True):
        if value is None:
            value = self._wlogcycles.value()
        # stop timer if being called to finalize the change in value
        if notify_image:
            self._wlogcycles_timer.stop()
        if not self._updating_imap:
            self._setIntensityLogCyclesLabel(value)
            self._rc.setIntensityMapLogCycles(value, notify_image=notify_image, write_config=write_config)
            self._updateITF()
            self._histplot.replot()

    def _updateDisplayRange(self, dmin, dmax):
        self._rangebox.setData([dmin, dmax], [.9, .9])
        self._wrange[0].setText(DataValueFormat % dmin)
        self._wrange[1].setText(DataValueFormat % dmax)
        self._wrangeleft0.setEnabled(dmin != 0)
        self._display_range = dmin, dmax
        # if auto-zoom is on, zoom the histogram
        # try to be a little clever about this. Zoom only if (a) both limits have changed (so that adjusting one end of the range
        # does not cause endless rezooms), or (b) display range is < 1/10 of the histogram range
        if self._wautozoom.isChecked() and self._hist is not None:
            if (dmax - dmin) / (self._hist_range[1] - self._hist_range[0]) < .1 or (
                    dmin != self._prev_range[0] and dmax != self._prev_range[1]):
                margin = (dmax - dmin) / 8
                self._updateHistogram(dmin - margin, dmax + margin)
        self._updateITF()
        self._histplot.replot()

    def _updateIntensityMap(self, imap, index):
        self._updating_imap = True
        try:
            self._cb_item.setIntensityMap(imap)
            self._updateITF()
            self._histplot.replot()
            self._wimap.setCurrentIndex(index)
            if isinstance(imap, Colormaps.LogIntensityMap):
                self._wlogcycles.setValue(imap.log_cycles)
                self._setIntensityLogCyclesLabel(imap.log_cycles)
                self._wlogcycles.show()
                self._wlogcycles_label.show()
            else:
                self._wlogcycles.hide()
                self._wlogcycles_label.hide()
        finally:
            self._updating_imap = False

    def _updateColorMap(self, cmap):
        self._cb_item.setColorMap(cmap)
        self._histplot.replot()
        try:
            index = self._rc.getColormapList().index(cmap)
        except:
            return
        self._setCurrentColormapNumber(index, cmap)

    def _previewColormapParameters(self, index, cmap):
        """Called to preview a new colormap parameter value"""
        self._histplot.replot()
        self._wcolmaps.setItemIcon(index, QIcon(cmap.makeQPixmap(128, 16)))

    def _setCurrentColormapNumber(self, index, cmap):
        self._wcolmaps.setCurrentIndex(index)
        # show controls for colormap
        self._wcolmap_control_stack.setCurrentWidget(self._colmap_controls[index])

    def _changeDisplayRange(self):
        """Gets display range from widgets and updates the image with it."""
        try:
            newrange = [float(str(w.text())) for w in self._wrange]
        except ValueError:
            return
        self._rc.setDisplayRange(*newrange)

    def _setHistDisplayRange(self):
        self._rc.setDisplayRange(*self._hist_range)

    def _updateImageSlice(self, _slice):
        for i, (iextra, name, labels) in enumerate(self._rc.slicedAxes()):
            self._wslicers[i].setCurrentIndex(_slice[iextra])

    def _changeDisplayRangeToPercent(self, percent):
        busy = BusyIndicator()
        if self._hist is None:
            self._updateHistogram()
            self._updateStats(self._subset, self._subset_range)
        # delta: we need the [delta,100-delta] interval of the total distribution
        delta = self._subset.size * ((100. - percent) / 200.)
        # get F(x): cumulative sum
        cumsum = numpy.zeros(len(self._hist_hires) + 1, dtype=int)
        cumsum[1:] = numpy.cumsum(self._hist_hires)
        bins = numpy.zeros(len(self._hist_hires) + 1, dtype=float)
        bins[0] = self._subset_range[0]
        bins[1:] = self._hist_bins_hires + self._hist_binsize_hires / 2
        # use interpolation to find value interval corresponding to [delta,100-delta] of the distribution
        dprint(2, self._subset.size, delta, self._subset.size - delta)
        dprint(2, cumsum, self._hist_bins_hires)
        # if first bin is already > delta, then set colour range to first bin
        x0, x1 = numpy.interp([delta, self._subset.size - delta], cumsum, bins)
        # and change the display range (this will also cause a histplot.replot() via _updateDisplayRange above)
        self._rc.setDisplayRange(x0, x1)
        busy.reset_cursor()

    def _setZeroLeftLimit(self):
        self._rc.setDisplayRange(0., self._rc.displayRange()[1])

    def _selectLowLimit(self, pos):
        self._rc.setDisplayRange(pos.x(), self._rc.displayRange()[1])

    def _selectHighLimit(self, pos):
        self._rc.setDisplayRange(self._rc.displayRange()[0], pos.x())

    def _unzoomHistogram(self):
        self._updateHistogram()
        self._histplot.replot()

    def _zoomHistogramByFactor(self, factor, curry=None):
        """
        Changes histogram limits by specified factor.
        curry=None is due to an error raised from the signal to zoom
        and is unused.
        """
        # get max distance of plot limit from peak
        dprint(1, "zooming histogram by", factor)
        halfdist = (self._hist_range[1] - self._hist_range[0]) / (factor * 2)
        self._updateHistogram(self._hist_peak - halfdist, self._hist_peak + halfdist)
        self._histplot.replot()

    def _zoomHistogramIntoRect(self, rect):
        hmin, hmax = rect.bottomLeft().x(), rect.bottomRight().x()
        if hmax > hmin:
            self._updateHistogram(rect.bottomLeft().x(), rect.bottomRight().x())
            self._histplot.replot()

    def _zoomHistogramPreview(self, value):
        dprint(2, "wheel moved to", value)
        self._zoomHistogramFinalize(value, preview=True)
        self._whistzoom_timer.start()

    def _zoomHistogramFinalize(self, value=None, preview=False):
        if self._zooming_histogram:
            return
        self._zooming_histogram = True
        try:
            if value is not None:
                dmin, dmax = self._subset_range
                dist = max(dmax - self._hist_peak, self._hist_peak - dmin) / 10 ** value
                self._preview_hist_range = max(self._hist_peak - dist, dmin), min(self._hist_peak + dist, dmax)
            if preview:
                self._histplot.setAxisScale(QwtPlot.xBottom, *self._preview_hist_range)
            else:
                dprint(2, "wheel finalized at", value)
                self._whistzoom_timer.stop()
                self._updateHistogram(*self._preview_hist_range)
            self._histplot.replot()
        finally:
            self._zooming_histogram = False

    def _setHistLogScale(self, logscale, replot=True):
        self._ylogscale = logscale
        if logscale:
            self._histplot.setAxisScaleEngine(QwtPlot.yLeft, QwtLogScaleEngine())
            ymax = max(1, self._hist_max)
            self._histplot.setAxisScale(QwtPlot.yLeft, 1, 10 ** (math.log10(ymax) * (1 + self.ColorBarHeight)))
            y = self._hist.copy()
            y[y == 0] = 1
            self._histcurve1.setData(self._hist_bins, y)
            self._histcurve2.setData(self._hist_bins, y)
        else:
            self._histplot.setAxisScaleEngine(QwtPlot.yLeft, QwtLinearScaleEngine())
            self._histplot.setAxisScale(QwtPlot.yLeft, 0, self._hist_max * (1 + self.ColorBarHeight))
            self._histcurve1.setData(self._hist_bins, self._hist)
            self._histcurve2.setData(self._hist_bins, self._hist)
        if replot:
            self._histplot.replot()