def configure(self):
"""Configure application settings by way of a dialog."""
dlg = ConfigDialog()
if dlg.exec():
self.setPPScannos(dlg.lineEditPPScannos.text())
self.setDefaultScannoFile(dlg.comboScannoFiles.currentText())
settings = QSettings(QApplication.organizationName(), QApplication.applicationName())
settings.setValue('ppscannos', self.ppscannos)
settings.setValue('defaultScannoFile', self.defaultScannoFile)
def __init__(self, args, force_calibre_style=False, override_program_name=None, headless=False, color_prefs=gprefs):
self.file_event_hook = None
if override_program_name:
args = [override_program_name] + args[1:]
if headless:
if not args:
args = sys.argv[:1]
args.extend(['-platformpluginpath', sys.extensions_location, '-platform', 'headless'])
self.headless = headless
qargs = [i.encode('utf-8') if isinstance(i, unicode) else i for i in args]
self.pi = plugins['progress_indicator'][0]
if not isosx and not headless:
# On OS X high dpi scaling is turned on automatically by the OS, so we dont need to set it explicitly
setup_hidpi()
QApplication.setOrganizationName('calibre-ebook.com')
QApplication.setOrganizationDomain(QApplication.organizationName())
QApplication.setApplicationVersion(__version__)
QApplication.setApplicationName(APP_UID)
QApplication.__init__(self, qargs)
self.setAttribute(Qt.AA_UseHighDpiPixmaps)
self.setAttribute(Qt.AA_SynthesizeTouchForUnhandledMouseEvents, False)
try:
base_dir()
except EnvironmentError as err:
if not headless:
show_temp_dir_error(err)
raise SystemExit('Failed to create temporary directory')
if DEBUG and not headless:
prints('devicePixelRatio:', self.devicePixelRatio())
s = self.primaryScreen()
if s:
prints('logicalDpi:', s.logicalDotsPerInchX(), 'x', s.logicalDotsPerInchY())
prints('physicalDpi:', s.physicalDotsPerInchX(), 'x', s.physicalDotsPerInchY())
if not iswindows:
self.setup_unix_signals()
if islinux or isbsd:
self.setAttribute(Qt.AA_DontUseNativeMenuBar, 'CALIBRE_NO_NATIVE_MENUBAR' in os.environ)
self.setup_styles(force_calibre_style)
self.setup_ui_font()
if not self.using_calibre_style and self.style().objectName() == 'fusion':
# Since Qt is using the fusion style anyway, specialize it
self.load_calibre_style()
fi = gprefs['font']
if fi is not None:
font = QFont(*(fi[:4]))
s = gprefs.get('font_stretch', None)
if s is not None:
font.setStretch(s)
QApplication.setFont(font)
self.line_height = max(12, QFontMetrics(self.font()).lineSpacing())
dl = QLocale(get_lang())
if unicode(dl.bcp47Name()) != u'C':
QLocale.setDefault(dl)
global gui_thread, qt_app
gui_thread = QThread.currentThread()
self._translator = None
self.load_translations()
qt_app = self
self._file_open_paths = []
self._file_open_lock = RLock()
if not isosx:
# OS X uses a native color dialog that does not support custom
# colors
self.color_prefs = color_prefs
self.read_custom_colors()
self.lastWindowClosed.connect(self.save_custom_colors)
if isxp:
error_dialog(None, _('Windows XP not supported'), '<p>' + _(
'calibre versions newer than 2.0 do not run on Windows XP. This is'
' because the graphics toolkit calibre uses (Qt 5) crashes a lot'
' on Windows XP. We suggest you stay with <a href="%s">calibre 1.48</a>'
' which works well on Windows XP.') % 'http://download.calibre-ebook.com/1.48.0/', show=True)
raise SystemExit(1)
if iswindows:
# On windows the highlighted colors for inactive widgets are the
# same as non highlighted colors. This is a regression from Qt 4.
# https://bugreports.qt-project.org/browse/QTBUG-41060
p = self.palette()
for role in (p.Highlight, p.HighlightedText, p.Base, p.AlternateBase):
p.setColor(p.Inactive, role, p.color(p.Active, role))
self.setPalette(p)
# Prevent text copied to the clipboard from being lost on quit due to
# Qt 5 bug: https://bugreports.qt-project.org/browse/QTBUG-41125
self.aboutToQuit.connect(self.flush_clipboard)
