def available_font_families() -> List:
"""
Function returns list of available font families.
Can be used to instantiate font combo boxes.
Returns
-------
fonts: list
List of available font families.
"""
if not QApplication.instance():
_ = QApplication(sys.argv)
fonts = QFontDatabase().families()
default = fonts.pop(fonts.index(default_font_family()))
defaults = [default]
guessed_name = default.split()[0]
i = 0
while i < len(fonts):
if fonts[i].startswith(guessed_name):
defaults.append(fonts.pop(i))
else:
i += 1
return FontList(defaults + [""] +
sorted(fonts, key=lambda s: s.replace(".", "")))
def __init__(self, parent=None, **kwargs):
super().__init__(parent, **kwargs)
self.setDocumentLayout(QPlainTextDocumentLayout(self))
self.__currentCharFormat = QTextCharFormat()
if 'defaultFont' not in kwargs:
defaultFont = QFontDatabase.systemFont(QFontDatabase.FixedFont)
self.setDefaultFont(defaultFont)
self.__streams = []
def __init__(self, *args, **kwargs):
# type: (Any, Any) -> None
super().__init__(*args, **kwargs)
self.setFrameStyle(QPlainTextEdit.NoFrame)
self.setTextInteractionFlags(Qt.TextBrowserInteraction)
self.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOn)
self.setSizePolicy(QSizePolicy.Preferred, QSizePolicy.Preferred)
font = QFontDatabase.systemFont(QFontDatabase.FixedFont)
self.setFont(font)
self.setAttribute(Qt.WA_SetFont, False)
def available_font_families() -> List:
"""
Function returns list of available font families.
Can be used to instantiate font combo boxes.
Returns
-------
fonts: list
List of available font families.
"""
if not QApplication.instance():
_ = QApplication(sys.argv)
return QFontDatabase().families()
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.setFrameStyle(QPlainTextEdit.NoFrame)
self.setTextInteractionFlags(Qt.TextBrowserInteraction)
self.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOn)
self.setSizePolicy(QSizePolicy.Preferred, QSizePolicy.Preferred)
try:
# Since Qt 5.2
font = QFontDatabase.systemFont(QFontDatabase.FixedFont)
except AttributeError:
font = self.font()
font.setStyleHint(QFont.Monospace)
font.setFamily("Monospace")
self.setFont(font)
self.setAttribute(Qt.WA_SetFont, False)
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.setFrameStyle(QPlainTextEdit.NoFrame)
self.setTextInteractionFlags(Qt.TextBrowserInteraction)
self.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOn)
self.setSizePolicy(QSizePolicy.Preferred, QSizePolicy.Preferred)
try:
# Since Qt 5.2
font = QFontDatabase.systemFont(QFontDatabase.FixedFont)
except AttributeError:
font = self.font()
font.setStyleHint(QFont.Monospace)
font.setFamily("Monospace")
self.setFont(font)
self.setAttribute(Qt.WA_SetFont, False)
def load_icons_font():
fontId = QFontDatabase.addApplicationFont(
join(dirname(__file__), 'icons', 'TimeSlice-icons.ttf'))
font_family = QFontDatabase.applicationFontFamilies(fontId)[0]
return QFont(font_family, 9, QFont.Normal)
def __init__(self):
def update_font_family(**settings):
for label in self.initial_settings[self.LABELS_BOX]:
if label != self.FONT_FAMILY_LABEL:
setter = self._setters[self.LABELS_BOX][label]
setter(**settings)
def update_title(**settings):
Updater.update_plot_title_font(self.title_item, **settings)
def update_label(**settings):
self.label_font = Updater.change_font(self.label_font, settings)
Updater.update_label_font(self.labels, self.label_font)
def update_axes_titles(**settings):
Updater.update_axes_titles_font(self.axis_items, **settings)
def update_axes_ticks(**settings):
Updater.update_axes_ticks_font(self.axis_items, **settings)
def update_legend(**settings):
self.legend_settings.update(**settings)
Updater.update_legend_font(self.legend_items, **settings)
def update_title_text(**settings):
Updater.update_plot_title_text(self.title_item,
settings[self.TITLE_LABEL])
def update_axis(axis, **settings):
Updater.update_axis_title_text(self.getAxis(axis),
settings[self.TITLE_LABEL])
self.FONT_FAMILY_SETTING: SettingsType = { # pylint: disable=invalid-name
Updater.FONT_FAMILY_LABEL: (QFontDatabase().families(), QFont().family()),
}
self.FONT_SETTING: SettingsType = { # pylint: disable=invalid-name
Updater.SIZE_LABEL: (range(4, 50), QFont().pointSize()),
Updater.IS_ITALIC_LABEL: (None, False)
}
self.label_font = QFont()
self.legend_settings = {}
self._setters = {
self.LABELS_BOX: {
self.FONT_FAMILY_LABEL: update_font_family,
self.TITLE_LABEL: update_title,
self.LABEL_LABEL: update_label,
self.AXIS_TITLE_LABEL: update_axes_titles,
self.AXIS_TICKS_LABEL: update_axes_ticks,
self.LEGEND_LABEL: update_legend,
},
self.ANNOT_BOX: {
self.TITLE_LABEL: update_title_text,
self.X_AXIS_LABEL: lambda **kw: update_axis("bottom", **kw),
self.Y_AXIS_LABEL: lambda **kw: update_axis("left", **kw),
}
}
self.initial_settings: Dict[str, Dict[str,
SettingsType]] = NotImplemented
self.update_setters()
self._check_setters()
def test_qfontdatabase_static(self):
families = QFontDatabase.families()
styles = QFontDatabase.styles(families[0])
systems = QFontDatabase.writingSystems()
systems = QFontDatabase.writingSystems(families[0])