class Preview(QWidget): sync_requested = pyqtSignal(object, object) split_requested = pyqtSignal(object, object, object) split_start_requested = pyqtSignal() link_clicked = pyqtSignal(object, object) def __init__(self, parent=None): QWidget.__init__(self, parent) self.l = l = QVBoxLayout() self.setLayout(l) l.setContentsMargins(0, 0, 0, 0) self.view = WebView(self) self.view.page().sync_requested.connect(self.request_sync) self.view.page().split_requested.connect(self.request_split) self.view.page().loadFinished.connect(self.load_finished) self.inspector = self.view.inspector self.inspector.setPage(self.view.page()) l.addWidget(self.view) self.bar = QToolBar(self) l.addWidget(self.bar) ac = actions['auto-reload-preview'] ac.setCheckable(True) ac.setChecked(True) ac.toggled.connect(self.auto_reload_toggled) self.auto_reload_toggled(ac.isChecked()) self.bar.addAction(ac) ac = actions['sync-preview-to-editor'] ac.setCheckable(True) ac.setChecked(True) ac.toggled.connect(self.sync_toggled) self.sync_toggled(ac.isChecked()) self.bar.addAction(ac) self.bar.addSeparator() ac = actions['split-in-preview'] ac.setCheckable(True) ac.setChecked(False) ac.toggled.connect(self.split_toggled) self.split_toggled(ac.isChecked()) self.bar.addAction(ac) ac = actions['reload-preview'] ac.triggered.connect(self.refresh) self.bar.addAction(ac) actions['preview-dock'].toggled.connect(self.visibility_changed) self.current_name = None self.last_sync_request = None self.refresh_timer = QTimer(self) self.refresh_timer.timeout.connect(self.refresh) parse_worker.start() self.current_sync_request = None self.search = HistoryLineEdit2(self) self.search.initialize('tweak_book_preview_search') self.search.setPlaceholderText(_('Search in preview')) self.search.returnPressed.connect(partial(self.find, 'next')) self.bar.addSeparator() self.bar.addWidget(self.search) for d in ('next', 'prev'): ac = actions['find-%s-preview' % d] ac.triggered.connect(partial(self.find, d)) self.bar.addAction(ac) def find(self, direction): text = unicode(self.search.text()) self.view.findText(text, QWebPage.FindWrapsAroundDocument | ( QWebPage.FindBackward if direction == 'prev' else QWebPage.FindFlags(0))) def request_sync(self, tagname, href, lnum): if self.current_name: c = current_container() if tagname == 'a' and href: if href and href.startswith('#'): name = self.current_name else: name = c.href_to_name(href, self.current_name) if href else None if name == self.current_name: return self.view.page().go_to_anchor(urlparse(href).fragment, lnum) if name and c.exists(name) and c.mime_map[name] in OEB_DOCS: return self.link_clicked.emit(name, urlparse(href).fragment or TOP) self.sync_requested.emit(self.current_name, lnum) def request_split(self, loc, totals): if self.current_name: self.split_requested.emit(self.current_name, loc, totals) def sync_to_editor(self, name, lnum): self.current_sync_request = (name, lnum) QTimer.singleShot(100, self._sync_to_editor) def _sync_to_editor(self): if not actions['sync-preview-to-editor'].isChecked(): return try: if self.refresh_timer.isActive() or self.current_sync_request[0] != self.current_name: return QTimer.singleShot(100, self._sync_to_editor) except TypeError: return # Happens if current_sync_request is None lnum = self.current_sync_request[1] self.current_sync_request = None self.view.page().go_to_line(lnum) def show(self, name): if name != self.current_name: self.refresh_timer.stop() self.current_name = name parse_worker.add_request(name) self.view.setUrl(QUrl.fromLocalFile(current_container().name_to_abspath(name))) return True def refresh(self): if self.current_name: self.refresh_timer.stop() # This will check if the current html has changed in its editor, # and re-parse it if so parse_worker.add_request(self.current_name) # Tell webkit to reload all html and associated resources current_url = QUrl.fromLocalFile(current_container().name_to_abspath(self.current_name)) if current_url != self.view.url(): # The container was changed self.view.setUrl(current_url) else: self.view.refresh() def clear(self): self.view.clear() self.current_name = None @property def is_visible(self): return actions['preview-dock'].isChecked() def start_refresh_timer(self): if self.is_visible and actions['auto-reload-preview'].isChecked(): self.refresh_timer.start(tprefs['preview_refresh_time'] * 1000) def stop_refresh_timer(self): self.refresh_timer.stop() def auto_reload_toggled(self, checked): actions['auto-reload-preview'].setToolTip(_( 'Auto reload preview when text changes in editor') if not checked else _( 'Disable auto reload of preview')) def sync_toggled(self, checked): actions['sync-preview-to-editor'].setToolTip(_( 'Disable syncing of preview position to editor position') if checked else _( 'Enable syncing of preview position to editor position')) def visibility_changed(self, is_visible): if is_visible: self.refresh() def split_toggled(self, checked): actions['split-in-preview'].setToolTip(textwrap.fill(_( 'Abort file split') if checked else _( 'Split this file at a specified location.\n\nAfter clicking this button, click' ' inside the preview panel above at the location you want the file to be split.'))) if checked: self.split_start_requested.emit() else: self.view.page().split_mode(False) def do_start_split(self): self.view.page().split_mode(True) def stop_split(self): actions['split-in-preview'].setChecked(False) def load_finished(self, ok): if actions['split-in-preview'].isChecked(): if ok: self.do_start_split() else: self.stop_split() def apply_settings(self): s = self.view.page().settings() s.setFontSize(s.DefaultFontSize, tprefs['preview_base_font_size']) s.setFontSize(s.DefaultFixedFontSize, tprefs['preview_mono_font_size']) s.setFontSize(s.MinimumLogicalFontSize, tprefs['preview_minimum_font_size']) s.setFontSize(s.MinimumFontSize, tprefs['preview_minimum_font_size']) sf, ssf, mf = tprefs['preview_serif_family'], tprefs['preview_sans_family'], tprefs['preview_mono_family'] s.setFontFamily(s.StandardFont, {'serif':sf, 'sans':ssf, 'mono':mf, None:sf}[tprefs['preview_standard_font_family']]) s.setFontFamily(s.SerifFont, sf) s.setFontFamily(s.SansSerifFont, ssf) s.setFontFamily(s.FixedFont, mf)
class Preview(QWidget): sync_requested = pyqtSignal(object, object) split_requested = pyqtSignal(object, object) split_start_requested = pyqtSignal() def __init__(self, parent=None): QWidget.__init__(self, parent) self.l = l = QVBoxLayout() self.setLayout(l) l.setContentsMargins(0, 0, 0, 0) self.view = WebView(self) self.view.page().sync_requested.connect(self.request_sync) self.view.page().split_requested.connect(self.request_split) self.view.page().loadFinished.connect(self.load_finished) self.inspector = self.view.inspector self.inspector.setPage(self.view.page()) l.addWidget(self.view) self.bar = QToolBar(self) l.addWidget(self.bar) ac = actions['auto-reload-preview'] ac.setCheckable(True) ac.setChecked(True) ac.toggled.connect(self.auto_reload_toggled) self.auto_reload_toggled(ac.isChecked()) self.bar.addAction(ac) ac = actions['sync-preview-to-editor'] ac.setCheckable(True) ac.setChecked(True) ac.toggled.connect(self.sync_toggled) self.sync_toggled(ac.isChecked()) self.bar.addAction(ac) self.bar.addSeparator() ac = actions['split-in-preview'] ac.setCheckable(True) ac.setChecked(False) ac.toggled.connect(self.split_toggled) self.split_toggled(ac.isChecked()) self.bar.addAction(ac) ac = actions['reload-preview'] ac.triggered.connect(self.refresh) self.bar.addAction(ac) actions['preview-dock'].toggled.connect(self.visibility_changed) self.current_name = None self.last_sync_request = None self.refresh_timer = QTimer(self) self.refresh_timer.timeout.connect(self.refresh) parse_worker.start() self.current_sync_request = None self.search = HistoryLineEdit2(self) self.search.initialize('tweak_book_preview_search') self.search.setPlaceholderText(_('Search in preview')) self.search.returnPressed.connect(partial(self.find, 'next')) self.bar.addSeparator() self.bar.addWidget(self.search) for d in ('next', 'prev'): ac = actions['find-%s-preview' % d] ac.triggered.connect(partial(self.find, d)) self.bar.addAction(ac) def find(self, direction): text = unicode(self.search.text()) self.view.findText(text, QWebPage.FindWrapsAroundDocument | ( QWebPage.FindBackward if direction == 'prev' else QWebPage.FindFlags(0))) def request_sync(self, lnum): if self.current_name: self.sync_requested.emit(self.current_name, lnum) def request_split(self, loc): if self.current_name: self.split_requested.emit(self.current_name, loc) def sync_to_editor(self, name, lnum): self.current_sync_request = (name, lnum) QTimer.singleShot(100, self._sync_to_editor) def _sync_to_editor(self): if not actions['sync-preview-to-editor'].isChecked(): return try: if self.refresh_timer.isActive() or self.current_sync_request[0] != self.current_name: return QTimer.singleShot(100, self._sync_to_editor) except TypeError: return # Happens if current_sync_request is None lnum = self.current_sync_request[1] self.current_sync_request = None self.view.page().go_to_line(lnum) def show(self, name): if name != self.current_name: self.refresh_timer.stop() self.current_name = name parse_worker.add_request(name) self.view.setUrl(QUrl.fromLocalFile(current_container().name_to_abspath(name))) def refresh(self): if self.current_name: self.refresh_timer.stop() # This will check if the current html has changed in its editor, # and re-parse it if so parse_worker.add_request(self.current_name) # Tell webkit to reload all html and associated resources current_url = QUrl.fromLocalFile(current_container().name_to_abspath(self.current_name)) if current_url != self.view.url(): # The container was changed self.view.setUrl(current_url) else: self.view.refresh() def clear(self): self.view.clear() @property def is_visible(self): return actions['preview-dock'].isChecked() def start_refresh_timer(self): if self.is_visible and actions['auto-reload-preview'].isChecked(): self.refresh_timer.start(tprefs['preview_refresh_time'] * 1000) def stop_refresh_timer(self): self.refresh_timer.stop() def auto_reload_toggled(self, checked): actions['auto-reload-preview'].setToolTip(_( 'Auto reload preview when text changes in editor') if not checked else _( 'Disable auto reload of preview')) def sync_toggled(self, checked): actions['sync-preview-to-editor'].setToolTip(_( 'Disable syncing of preview position to editor position') if checked else _( 'Enable syncing of preview position to editor position')) def visibility_changed(self, is_visible): if is_visible: self.refresh() def split_toggled(self, checked): actions['split-in-preview'].setToolTip(textwrap.fill(_( 'Abort file split') if checked else _( 'Split this file at a specified location.\n\nAfter clicking this button, click' ' inside the preview panel above at the location you want the file to be split.'))) if checked: self.split_start_requested.emit() else: self.view.page().split_mode(False) def do_start_split(self): self.view.page().split_mode(True) def stop_split(self): actions['split-in-preview'].setChecked(False) def load_finished(self, ok): if actions['split-in-preview'].isChecked(): if ok: self.do_start_split() else: self.stop_split()
class Editor(QWidget): # {{{ def __init__(self, parent=None, one_line_toolbar=False): QWidget.__init__(self, parent) self.toolbar1 = QToolBar(self) self.toolbar2 = QToolBar(self) self.toolbar3 = QToolBar(self) for i in range(1, 4): t = getattr(self, 'toolbar%d'%i) t.setIconSize(QSize(18, 18)) self.editor = EditorWidget(self) self.tabs = QTabWidget(self) self.tabs.setTabPosition(self.tabs.South) self.wyswyg = QWidget(self.tabs) self.code_edit = QPlainTextEdit(self.tabs) self.source_dirty = False self.wyswyg_dirty = True self._layout = QVBoxLayout(self) self.wyswyg.layout = l = QVBoxLayout(self.wyswyg) self.setLayout(self._layout) l.setContentsMargins(0, 0, 0, 0) if one_line_toolbar: tb = QHBoxLayout() l.addLayout(tb) else: tb = l tb.addWidget(self.toolbar1) tb.addWidget(self.toolbar2) tb.addWidget(self.toolbar3) l.addWidget(self.editor) self._layout.addWidget(self.tabs) self.tabs.addTab(self.wyswyg, _('Normal view')) self.tabs.addTab(self.code_edit, _('HTML Source')) self.tabs.currentChanged[int].connect(self.change_tab) self.highlighter = Highlighter(self.code_edit.document()) self.layout().setContentsMargins(0, 0, 0, 0) # toolbar1 {{{ self.toolbar1.addAction(self.editor.action_undo) self.toolbar1.addAction(self.editor.action_redo) self.toolbar1.addAction(self.editor.action_select_all) self.toolbar1.addAction(self.editor.action_remove_format) self.toolbar1.addAction(self.editor.action_clear) self.toolbar1.addSeparator() for x in ('copy', 'cut', 'paste'): ac = getattr(self.editor, 'action_'+x) self.toolbar1.addAction(ac) self.toolbar1.addSeparator() self.toolbar1.addAction(self.editor.action_background) # }}} # toolbar2 {{{ for x in ('', 'un'): ac = getattr(self.editor, 'action_%sordered_list'%x) self.toolbar2.addAction(ac) self.toolbar2.addSeparator() for x in ('superscript', 'subscript', 'indent', 'outdent'): self.toolbar2.addAction(getattr(self.editor, 'action_' + x)) if x in ('subscript', 'outdent'): self.toolbar2.addSeparator() self.toolbar2.addAction(self.editor.action_block_style) w = self.toolbar2.widgetForAction(self.editor.action_block_style) w.setPopupMode(w.InstantPopup) self.toolbar2.addAction(self.editor.action_insert_link) # }}} # toolbar3 {{{ for x in ('bold', 'italic', 'underline', 'strikethrough'): ac = getattr(self.editor, 'action_'+x) self.toolbar3.addAction(ac) self.toolbar3.addSeparator() for x in ('left', 'center', 'right', 'justified'): ac = getattr(self.editor, 'action_align_'+x) self.toolbar3.addAction(ac) self.toolbar3.addSeparator() self.toolbar3.addAction(self.editor.action_color) # }}} self.code_edit.textChanged.connect(self.code_dirtied) self.editor.page().contentsChanged.connect(self.wyswyg_dirtied) @dynamic_property def html(self): def fset(self, v): self.editor.html = v def fget(self): self.tabs.setCurrentIndex(0) return self.editor.html return property(fget=fget, fset=fset) def change_tab(self, index): # print 'reloading:', (index and self.wyswyg_dirty) or (not index and # self.source_dirty) if index == 1: # changing to code view if self.wyswyg_dirty: self.code_edit.setPlainText(self.editor.html) self.wyswyg_dirty = False elif index == 0: # changing to wyswyg if self.source_dirty: self.editor.html = unicode(self.code_edit.toPlainText()) self.source_dirty = False def wyswyg_dirtied(self, *args): self.wyswyg_dirty = True def code_dirtied(self, *args): self.source_dirty = True def hide_toolbars(self): self.toolbar1.setVisible(False) self.toolbar2.setVisible(False) self.toolbar3.setVisible(False) def set_readonly(self, what): self.editor.set_readonly(what) def hide_tabs(self): self.tabs.tabBar().setVisible(False)
class Editor(QWidget): # {{{ def __init__(self, parent=None, one_line_toolbar=False): QWidget.__init__(self, parent) self.toolbar1 = QToolBar(self) self.toolbar2 = QToolBar(self) self.toolbar3 = QToolBar(self) for i in range(1, 4): t = getattr(self, 'toolbar%d' % i) t.setIconSize(QSize(18, 18)) self.editor = EditorWidget(self) self.tabs = QTabWidget(self) self.tabs.setTabPosition(self.tabs.South) self.wyswyg = QWidget(self.tabs) self.code_edit = QPlainTextEdit(self.tabs) self.source_dirty = False self.wyswyg_dirty = True self._layout = QVBoxLayout(self) self.wyswyg.layout = l = QVBoxLayout(self.wyswyg) self.setLayout(self._layout) l.setContentsMargins(0, 0, 0, 0) if one_line_toolbar: tb = QHBoxLayout() l.addLayout(tb) else: tb = l tb.addWidget(self.toolbar1) tb.addWidget(self.toolbar2) tb.addWidget(self.toolbar3) l.addWidget(self.editor) self._layout.addWidget(self.tabs) self.tabs.addTab(self.wyswyg, _('Normal view')) self.tabs.addTab(self.code_edit, _('HTML Source')) self.tabs.currentChanged[int].connect(self.change_tab) self.highlighter = Highlighter(self.code_edit.document()) # toolbar1 {{{ self.toolbar1.addAction(self.editor.action_undo) self.toolbar1.addAction(self.editor.action_redo) self.toolbar1.addAction(self.editor.action_select_all) self.toolbar1.addAction(self.editor.action_remove_format) self.toolbar1.addAction(self.editor.action_clear) self.toolbar1.addSeparator() for x in ('copy', 'cut', 'paste'): ac = getattr(self.editor, 'action_' + x) self.toolbar1.addAction(ac) self.toolbar1.addSeparator() self.toolbar1.addAction(self.editor.action_background) # }}} # toolbar2 {{{ for x in ('', 'un'): ac = getattr(self.editor, 'action_%sordered_list' % x) self.toolbar2.addAction(ac) self.toolbar2.addSeparator() for x in ('superscript', 'subscript', 'indent', 'outdent'): self.toolbar2.addAction(getattr(self.editor, 'action_' + x)) if x in ('subscript', 'outdent'): self.toolbar2.addSeparator() self.toolbar2.addAction(self.editor.action_block_style) w = self.toolbar2.widgetForAction(self.editor.action_block_style) w.setPopupMode(w.InstantPopup) self.toolbar2.addAction(self.editor.action_insert_link) # }}} # toolbar3 {{{ for x in ('bold', 'italic', 'underline', 'strikethrough'): ac = getattr(self.editor, 'action_' + x) self.toolbar3.addAction(ac) self.toolbar3.addSeparator() for x in ('left', 'center', 'right', 'justified'): ac = getattr(self.editor, 'action_align_' + x) self.toolbar3.addAction(ac) self.toolbar3.addSeparator() self.toolbar3.addAction(self.editor.action_color) # }}} self.code_edit.textChanged.connect(self.code_dirtied) self.editor.page().contentsChanged.connect(self.wyswyg_dirtied) @dynamic_property def html(self): def fset(self, v): self.editor.html = v def fget(self): self.tabs.setCurrentIndex(0) return self.editor.html return property(fget=fget, fset=fset) def change_tab(self, index): #print 'reloading:', (index and self.wyswyg_dirty) or (not index and # self.source_dirty) if index == 1: # changing to code view if self.wyswyg_dirty: self.code_edit.setPlainText(self.editor.html) self.wyswyg_dirty = False elif index == 0: #changing to wyswyg if self.source_dirty: self.editor.html = unicode(self.code_edit.toPlainText()) self.source_dirty = False def wyswyg_dirtied(self, *args): self.wyswyg_dirty = True def code_dirtied(self, *args): self.source_dirty = True def hide_toolbars(self): self.toolbar1.setVisible(False) self.toolbar2.setVisible(False) self.toolbar3.setVisible(False)
class Preview(QWidget): sync_requested = pyqtSignal(object, object) split_requested = pyqtSignal(object, object, object) split_start_requested = pyqtSignal() link_clicked = pyqtSignal(object, object) refresh_starting = pyqtSignal() refreshed = pyqtSignal() def __init__(self, parent=None): QWidget.__init__(self, parent) self.l = l = QVBoxLayout() self.setLayout(l) l.setContentsMargins(0, 0, 0, 0) self.view = WebView(self) self.view.page().sync_requested.connect(self.request_sync) self.view.page().split_requested.connect(self.request_split) self.view.page().loadFinished.connect(self.load_finished) self.inspector = self.view.inspector self.inspector.setPage(self.view.page()) l.addWidget(self.view) self.bar = QToolBar(self) l.addWidget(self.bar) ac = actions['auto-reload-preview'] ac.setCheckable(True) ac.setChecked(True) ac.toggled.connect(self.auto_reload_toggled) self.auto_reload_toggled(ac.isChecked()) self.bar.addAction(ac) ac = actions['sync-preview-to-editor'] ac.setCheckable(True) ac.setChecked(True) ac.toggled.connect(self.sync_toggled) self.sync_toggled(ac.isChecked()) self.bar.addAction(ac) self.bar.addSeparator() ac = actions['split-in-preview'] ac.setCheckable(True) ac.setChecked(False) ac.toggled.connect(self.split_toggled) self.split_toggled(ac.isChecked()) self.bar.addAction(ac) ac = actions['reload-preview'] ac.triggered.connect(self.refresh) self.bar.addAction(ac) actions['preview-dock'].toggled.connect(self.visibility_changed) self.current_name = None self.last_sync_request = None self.refresh_timer = QTimer(self) self.refresh_timer.timeout.connect(self.refresh) parse_worker.start() self.current_sync_request = None self.search = HistoryLineEdit2(self) self.search.initialize('tweak_book_preview_search') self.search.setPlaceholderText(_('Search in preview')) self.search.returnPressed.connect(partial(self.find, 'next')) self.bar.addSeparator() self.bar.addWidget(self.search) for d in ('next', 'prev'): ac = actions['find-%s-preview' % d] ac.triggered.connect(partial(self.find, d)) self.bar.addAction(ac) def find(self, direction): text = unicode(self.search.text()) self.view.findText( text, QWebPage.FindWrapsAroundDocument | (QWebPage.FindBackward if direction == 'prev' else QWebPage.FindFlags(0))) def request_sync(self, tagname, href, lnum): if self.current_name: c = current_container() if tagname == 'a' and href: if href and href.startswith('#'): name = self.current_name else: name = c.href_to_name(href, self.current_name) if href else None if name == self.current_name: return self.view.page().go_to_anchor( urlparse(href).fragment, lnum) if name and c.exists(name) and c.mime_map[name] in OEB_DOCS: return self.link_clicked.emit( name, urlparse(href).fragment or TOP) self.sync_requested.emit(self.current_name, lnum) def request_split(self, loc, totals): if self.current_name: self.split_requested.emit(self.current_name, loc, totals) def sync_to_editor(self, name, sourceline_address): self.current_sync_request = (name, sourceline_address) QTimer.singleShot(100, self._sync_to_editor) def _sync_to_editor(self): if not actions['sync-preview-to-editor'].isChecked(): return try: if self.refresh_timer.isActive( ) or self.current_sync_request[0] != self.current_name: return QTimer.singleShot(100, self._sync_to_editor) except TypeError: return # Happens if current_sync_request is None sourceline_address = self.current_sync_request[1] self.current_sync_request = None self.view.page().go_to_sourceline_address(sourceline_address) def show(self, name): if name != self.current_name: self.refresh_timer.stop() self.current_name = name parse_worker.add_request(name) self.view.setUrl( QUrl.fromLocalFile(current_container().name_to_abspath(name))) return True def refresh(self): if self.current_name: self.refresh_timer.stop() # This will check if the current html has changed in its editor, # and re-parse it if so parse_worker.add_request(self.current_name) # Tell webkit to reload all html and associated resources current_url = QUrl.fromLocalFile( current_container().name_to_abspath(self.current_name)) self.refresh_starting.emit() if current_url != self.view.url(): # The container was changed self.view.setUrl(current_url) else: self.view.refresh() self.refreshed.emit() def clear(self): self.view.clear() self.current_name = None @property def current_root(self): return self.view.page().current_root @property def is_visible(self): return actions['preview-dock'].isChecked() @property def live_css_is_visible(self): try: return actions['live-css-dock'].isChecked() except KeyError: return False def start_refresh_timer(self): if self.live_css_is_visible or ( self.is_visible and actions['auto-reload-preview'].isChecked()): self.refresh_timer.start(tprefs['preview_refresh_time'] * 1000) def stop_refresh_timer(self): self.refresh_timer.stop() def auto_reload_toggled(self, checked): if self.live_css_is_visible and not actions[ 'auto-reload-preview'].isChecked(): actions['auto-reload-preview'].setChecked(True) error_dialog( self, _('Cannot disable'), _('Auto reloading of the preview panel cannot be disabled while the' ' Live CSS panel is open.'), show=True) actions['auto-reload-preview'].setToolTip( _('Auto reload preview when text changes in editor' ) if not checked else _('Disable auto reload of preview')) def sync_toggled(self, checked): actions['sync-preview-to-editor'].setToolTip( _('Disable syncing of preview position to editor position' ) if checked else _( 'Enable syncing of preview position to editor position')) def visibility_changed(self, is_visible): if is_visible: self.refresh() def split_toggled(self, checked): actions['split-in-preview'].setToolTip( textwrap.fill( _('Abort file split') if checked else _('Split this file at a specified location.\n\nAfter clicking this button, click' ' inside the preview panel above at the location you want the file to be split.' ))) if checked: self.split_start_requested.emit() else: self.view.page().split_mode(False) def do_start_split(self): self.view.page().split_mode(True) def stop_split(self): actions['split-in-preview'].setChecked(False) def load_finished(self, ok): if actions['split-in-preview'].isChecked(): if ok: self.do_start_split() else: self.stop_split() def apply_settings(self): s = self.view.page().settings() s.setFontSize(s.DefaultFontSize, tprefs['preview_base_font_size']) s.setFontSize(s.DefaultFixedFontSize, tprefs['preview_mono_font_size']) s.setFontSize(s.MinimumLogicalFontSize, tprefs['preview_minimum_font_size']) s.setFontSize(s.MinimumFontSize, tprefs['preview_minimum_font_size']) sf, ssf, mf = tprefs['preview_serif_family'], tprefs[ 'preview_sans_family'], tprefs['preview_mono_family'] s.setFontFamily(s.StandardFont, { 'serif': sf, 'sans': ssf, 'mono': mf, None: sf }[tprefs['preview_standard_font_family']]) s.setFontFamily(s.SerifFont, sf) s.setFontFamily(s.SansSerifFont, ssf) s.setFontFamily(s.FixedFont, mf)
class Preview(QWidget): sync_requested = pyqtSignal(object, object) split_requested = pyqtSignal(object, object) split_start_requested = pyqtSignal() def __init__(self, parent=None): QWidget.__init__(self, parent) self.l = l = QVBoxLayout() self.setLayout(l) l.setContentsMargins(0, 0, 0, 0) self.view = WebView(self) self.view.page().sync_requested.connect(self.request_sync) self.view.page().split_requested.connect(self.request_split) self.view.page().loadFinished.connect(self.load_finished) self.inspector = self.view.inspector self.inspector.setPage(self.view.page()) l.addWidget(self.view) self.bar = QToolBar(self) l.addWidget(self.bar) ac = actions['auto-reload-preview'] ac.setCheckable(True) ac.setChecked(True) ac.toggled.connect(self.auto_reload_toggled) self.auto_reload_toggled(ac.isChecked()) self.bar.addAction(ac) ac = actions['sync-preview-to-editor'] ac.setCheckable(True) ac.setChecked(True) ac.toggled.connect(self.sync_toggled) self.sync_toggled(ac.isChecked()) self.bar.addAction(ac) self.bar.addSeparator() ac = actions['split-in-preview'] ac.setCheckable(True) ac.setChecked(False) ac.toggled.connect(self.split_toggled) self.split_toggled(ac.isChecked()) self.bar.addAction(ac) ac = actions['reload-preview'] ac.triggered.connect(self.refresh) self.bar.addAction(ac) actions['preview-dock'].toggled.connect(self.visibility_changed) self.current_name = None self.last_sync_request = None self.refresh_timer = QTimer(self) self.refresh_timer.timeout.connect(self.refresh) parse_worker.start() self.current_sync_request = None def request_sync(self, lnum): if self.current_name: self.sync_requested.emit(self.current_name, lnum) def request_split(self, loc): if self.current_name: self.split_requested.emit(self.current_name, loc) def sync_to_editor(self, name, lnum): self.current_sync_request = (name, lnum) QTimer.singleShot(100, self._sync_to_editor) def _sync_to_editor(self): if not actions['sync-preview-to-editor'].isChecked(): return try: if self.refresh_timer.isActive() or self.current_sync_request[0] != self.current_name: return QTimer.singleShot(100, self._sync_to_editor) except TypeError: return # Happens if current_sync_request is None lnum = self.current_sync_request[1] self.current_sync_request = None self.view.page().go_to_line(lnum) def show(self, name): if name != self.current_name: self.refresh_timer.stop() self.current_name = name parse_worker.add_request(name) self.view.setUrl(QUrl.fromLocalFile(current_container().name_to_abspath(name))) def refresh(self): if self.current_name: self.refresh_timer.stop() # This will check if the current html has changed in its editor, # and re-parse it if so parse_worker.add_request(self.current_name) # Tell webkit to reload all html and associated resources current_url = QUrl.fromLocalFile(current_container().name_to_abspath(self.current_name)) if current_url != self.view.url(): # The container was changed self.view.setUrl(current_url) else: self.view.refresh() def clear(self): self.view.clear() @property def is_visible(self): return actions['preview-dock'].isChecked() def start_refresh_timer(self): if self.is_visible and actions['auto-reload-preview'].isChecked(): self.refresh_timer.start(tprefs['preview_refresh_time'] * 1000) def stop_refresh_timer(self): self.refresh_timer.stop() def auto_reload_toggled(self, checked): actions['auto-reload-preview'].setToolTip(_( 'Auto reload preview when text changes in editor') if not checked else _( 'Disable auto reload of preview')) def sync_toggled(self, checked): actions['sync-preview-to-editor'].setToolTip(_( 'Disable syncing of preview position to editor position') if checked else _( 'Enable syncing of preview position to editor position')) def visibility_changed(self, is_visible): if is_visible: self.refresh() def split_toggled(self, checked): actions['split-in-preview'].setToolTip(textwrap.fill(_( 'Abort file split') if checked else _( 'Split this file at a specified location.\n\nAfter clicking this button, click' ' inside the preview panel above at the location you want the file to be split.'))) if checked: self.split_start_requested.emit() else: self.view.page().split_mode(False) def do_start_split(self): self.view.page().split_mode(True) def stop_split(self): actions['split-in-preview'].setChecked(False) def load_finished(self, ok): if actions['split-in-preview'].isChecked(): if ok: self.do_start_split() else: self.stop_split()