def contextMenuEvent(self, event):
data = self.page().contextMenuData()
assert data.isValid()
if not data.isContentEditable():
super().contextMenuEvent(event)
return
profile = self.page().profile()
languages = profile.spellCheckLanguages()
menu = self.page().createStandardContextMenu()
menu.setParent(self)
menu.addSeparator()
spellcheckAction = QAction(self.tr("Check Spelling"), None)
spellcheckAction.setCheckable(True)
spellcheckAction.setChecked(profile.isSpellCheckEnabled())
spellcheckAction.toggled.connect(profile.setSpellCheckEnabled)
menu.addAction(spellcheckAction)
if profile.isSpellCheckEnabled():
subMenu = menu.addMenu(self.tr("Select Language"))
for key, lang in self.m_spellCheckLanguages.items():
action = subMenu.addAction(key)
action.setCheckable(True)
action.setChecked(lang in languages)
action.triggered.connect(partial(self.on_triggered, lang))
menu.aboutToHide.connect(menu.deleteLater)
menu.popup(event.globalPos())
def __init__(self, parent: QWidget = None):
super().__init__(parent)
self.map = LightMaps()
self.setCentralWidget(self.map)
self.map.setFocus()
osloAction = QAction(self.tr("&Oslo"), self)
berlinAction = QAction(self.tr("&Berlin"), self)
jakartaAction = QAction(self.tr("&Jakarta"), self)
nightModeAction = QAction(self.tr("Night Mode"), self)
nightModeAction.setCheckable(True)
nightModeAction.setChecked(False)
osmAction = QAction(self.tr("About OpenStreetMap"), self)
osloAction.triggered.connect(self.chooseOslo)
berlinAction.triggered.connect(self.chooseBerlin)
jakartaAction.triggered.connect(self.chooseJakarta)
nightModeAction.triggered.connect(self.map.toggleNightMode)
osmAction.triggered.connect(self.aboutOsm)
menu = self.menuBar().addMenu(self.tr("&Options"))
menu.addAction(osloAction)
menu.addAction(berlinAction)
menu.addAction(jakartaAction)
menu.addSeparator()
menu.addAction(nightModeAction)
menu.addAction(osmAction)
self.setWindowTitle(self.tr("Light Maps"))
def show_context_menu(self):
"""
Creates and shows the context menu for the search widget
:return: QAction
"""
menu = QMenu(self)
standard_menu = self.createStandardContextMenu()
standard_menu.setTitle('Edit')
menu.addMenu(standard_menu)
sub_menu = QMenu(menu)
sub_menu.setTitle('Space Operator')
menu.addMenu(sub_menu)
or_action = QAction('OR', menu)
or_action.setCheckable(True)
or_callback = partial(self.set_space_operator, 'or')
or_action.triggered.connect(or_callback)
if self.space_operator() == 'or':
or_action.setChecked(True)
sub_menu.addAction(or_action)
and_action = QAction('AND', menu)
and_action.setCheckable(True)
and_callback = partial(self.set_space_operator, 'and')
and_action.triggered.connect(and_callback)
if self.space_operator() == 'and':
and_action.setChecked(True)
sub_menu.addAction(and_action)
action = menu.exec_(QCursor.pos())
return action
def create_settings_menu(self):
"""
Creates and returns the settings menu for this widget
:return: QMenu
"""
menu = QMenu('Item View', self)
menu.setIcon(resources.icon('eye'))
menu.addSeparator()
# copy_text_menu = self.tree_widget().create_copy_text_menu()
# menu.addMenu(copy_text_menu)
# menu.addSeparator()
size_action = action.SliderAction('Size', menu)
size_action.slider().setMinimum(10)
size_action.slider().setMaximum(200)
size_action.slider().setValue(self.zoom_amount())
size_action.slider().valueChanged.connect(self.set_zoom_amount)
menu.addAction(size_action)
border_action = action.SliderAction('Border', menu)
border_action.slider().setMinimum(0)
border_action.slider().setMaximum(20)
border_action.slider().setValue(self.padding())
border_action.slider().valueChanged.connect(self.set_padding)
menu.addAction(border_action)
spacing_action = action.SliderAction('Spacing', menu)
spacing_action.slider().setMinimum(self.DEFAULT_MIN_SPACING)
spacing_action.slider().setMaximum(self.DEFAULT_MAX_SPACING)
spacing_action.slider().setValue(self.spacing())
spacing_action.slider().valueChanged.connect(self.set_spacing)
menu.addAction(spacing_action)
menu.addAction(action.SeparatorAction('Label Options', menu))
for option in item.LabelDisplayOption.values():
option_action = QAction(option.title(), menu)
option_action.setCheckable(True)
option_action.setChecked(option == self.label_display_option())
option_callback = partial(self.set_label_display_option, option)
option_action.triggered.connect(option_callback)
menu.addAction(option_action)
return menu
class PlotMainWindow(QWidget):
"""Base class for plot main windows."""
def __init__(self, U, plot, length=1, title=None):
super().__init__()
layout = QVBoxLayout()
if title:
title = QLabel('<b>' + title + '</b>')
title.setAlignment(Qt.AlignHCenter)
layout.addWidget(title)
layout.addWidget(plot)
plot.set(U, 0)
if length > 1:
hlayout = QHBoxLayout()
self.slider = QSlider(Qt.Horizontal)
self.slider.setMinimum(0)
self.slider.setMaximum(length - 1)
self.slider.setTickPosition(QSlider.TicksBelow)
hlayout.addWidget(self.slider)
lcd = QLCDNumber(m.ceil(m.log10(length)))
lcd.setDecMode()
lcd.setSegmentStyle(QLCDNumber.Flat)
hlayout.addWidget(lcd)
layout.addLayout(hlayout)
hlayout = QHBoxLayout()
toolbar = QToolBar()
self.a_play = QAction(self.style().standardIcon(QStyle.SP_MediaPlay), 'Play', self)
self.a_play.setCheckable(True)
self.a_rewind = QAction(self.style().standardIcon(QStyle.SP_MediaSeekBackward), 'Rewind', self)
self.a_toend = QAction(self.style().standardIcon(QStyle.SP_MediaSeekForward), 'End', self)
self.a_step_backward = QAction(self.style().standardIcon(QStyle.SP_MediaSkipBackward),
'Step Back', self)
self.a_step_forward = QAction(self.style().standardIcon(QStyle.SP_MediaSkipForward), 'Step', self)
self.a_loop = QAction(self.style().standardIcon(QStyle.SP_BrowserReload), 'Loop', self)
self.a_loop.setCheckable(True)
toolbar.addAction(self.a_play)
toolbar.addAction(self.a_rewind)
toolbar.addAction(self.a_toend)
toolbar.addAction(self.a_step_backward)
toolbar.addAction(self.a_step_forward)
toolbar.addAction(self.a_loop)
if hasattr(self, 'save'):
self.a_save = QAction(self.style().standardIcon(QStyle.SP_DialogSaveButton), 'Save', self)
toolbar.addAction(self.a_save)
self.a_save.triggered.connect(self.save)
hlayout.addWidget(toolbar)
self.speed = QSlider(Qt.Horizontal)
self.speed.setMinimum(0)
self.speed.setMaximum(100)
hlayout.addWidget(QLabel('Speed:'))
hlayout.addWidget(self.speed)
layout.addLayout(hlayout)
self.timer = QTimer()
self.timer.timeout.connect(self.update_solution)
self.slider.valueChanged.connect(self.slider_changed)
self.slider.valueChanged.connect(lcd.display)
self.speed.valueChanged.connect(self.speed_changed)
self.a_play.toggled.connect(self.toggle_play)
self.a_rewind.triggered.connect(self.rewind)
self.a_toend.triggered.connect(self.to_end)
self.a_step_forward.triggered.connect(self.step_forward)
self.a_step_backward.triggered.connect(self.step_backward)
self.speed.setValue(50)
elif hasattr(self, 'save'):
hlayout = QHBoxLayout()
toolbar = QToolBar()
self.a_save = QAction(self.style().standardIcon(QStyle.SP_DialogSaveButton), 'Save', self)
toolbar.addAction(self.a_save)
hlayout.addWidget(toolbar)
layout.addLayout(hlayout)
self.a_save.triggered.connect(self.save)
self.setLayout(layout)
self.plot = plot
self.U = U
self.length = length
def slider_changed(self, ind):
self.plot.set(self.U, ind)
def speed_changed(self, val):
self.timer.setInterval(val * 20)
def update_solution(self):
ind = self.slider.value() + 1
if ind >= self.length:
if self.a_loop.isChecked():
ind = 0
else:
self.a_play.setChecked(False)
return
self.slider.setValue(ind)
def toggle_play(self, checked):
if checked:
if self.slider.value() + 1 == self.length:
self.slider.setValue(0)
self.timer.start()
else:
self.timer.stop()
def rewind(self):
self.slider.setValue(0)
def to_end(self):
self.a_play.setChecked(False)
self.slider.setValue(self.length - 1)
def step_forward(self):
self.a_play.setChecked(False)
ind = self.slider.value() + 1
if ind == self.length and self.a_loop.isChecked():
ind = 0
if ind < self.length:
self.slider.setValue(ind)
def step_backward(self):
self.a_play.setChecked(False)
ind = self.slider.value() - 1
if ind == -1 and self.a_loop.isChecked():
ind = self.length - 1
if ind >= 0:
self.slider.setValue(ind)
class PlotMainWindow(QWidget):
"""Base class for plot main windows."""
def __init__(self, U, plot, length=1, title=None):
super().__init__()
layout = QVBoxLayout()
if title:
title = QLabel('<b>' + title + '</b>')
title.setAlignment(Qt.AlignHCenter)
layout.addWidget(title)
layout.addWidget(plot)
plot.set(U, 0)
if length > 1:
hlayout = QHBoxLayout()
self.slider = QSlider(Qt.Horizontal)
self.slider.setMinimum(0)
self.slider.setMaximum(length - 1)
self.slider.setTickPosition(QSlider.TicksBelow)
hlayout.addWidget(self.slider)
lcd = QLCDNumber(m.ceil(m.log10(length)))
lcd.setDecMode()
lcd.setSegmentStyle(QLCDNumber.Flat)
hlayout.addWidget(lcd)
layout.addLayout(hlayout)
hlayout = QHBoxLayout()
toolbar = QToolBar()
self.a_play = QAction(
self.style().standardIcon(QStyle.SP_MediaPlay), 'Play',
self)
self.a_play.setCheckable(True)
self.a_rewind = QAction(
self.style().standardIcon(QStyle.SP_MediaSeekBackward),
'Rewind', self)
self.a_toend = QAction(
self.style().standardIcon(QStyle.SP_MediaSeekForward),
'End', self)
self.a_step_backward = QAction(
self.style().standardIcon(QStyle.SP_MediaSkipBackward),
'Step Back', self)
self.a_step_forward = QAction(
self.style().standardIcon(QStyle.SP_MediaSkipForward),
'Step', self)
self.a_loop = QAction(
self.style().standardIcon(QStyle.SP_BrowserReload), 'Loop',
self)
self.a_loop.setCheckable(True)
toolbar.addAction(self.a_play)
toolbar.addAction(self.a_rewind)
toolbar.addAction(self.a_toend)
toolbar.addAction(self.a_step_backward)
toolbar.addAction(self.a_step_forward)
toolbar.addAction(self.a_loop)
if hasattr(self, 'save'):
self.a_save = QAction(
self.style().standardIcon(QStyle.SP_DialogSaveButton),
'Save', self)
toolbar.addAction(self.a_save)
self.a_save.triggered.connect(self.save)
hlayout.addWidget(toolbar)
self.speed = QSlider(Qt.Horizontal)
self.speed.setMinimum(0)
self.speed.setMaximum(100)
hlayout.addWidget(QLabel('Speed:'))
hlayout.addWidget(self.speed)
layout.addLayout(hlayout)
self.timer = QTimer()
self.timer.timeout.connect(self.update_solution)
self.slider.valueChanged.connect(self.slider_changed)
self.slider.valueChanged.connect(lcd.display)
self.speed.valueChanged.connect(self.speed_changed)
self.a_play.toggled.connect(self.toggle_play)
self.a_rewind.triggered.connect(self.rewind)
self.a_toend.triggered.connect(self.to_end)
self.a_step_forward.triggered.connect(self.step_forward)
self.a_step_backward.triggered.connect(self.step_backward)
self.speed.setValue(50)
elif hasattr(self, 'save'):
hlayout = QHBoxLayout()
toolbar = QToolBar()
self.a_save = QAction(
self.style().standardIcon(QStyle.SP_DialogSaveButton),
'Save', self)
toolbar.addAction(self.a_save)
hlayout.addWidget(toolbar)
layout.addLayout(hlayout)
self.a_save.triggered.connect(self.save)
self.setLayout(layout)
self.plot = plot
self.U = U
self.length = length
def slider_changed(self, ind):
self.plot.set(self.U, ind)
def speed_changed(self, val):
self.timer.setInterval(val * 20)
def update_solution(self):
ind = self.slider.value() + 1
if ind >= self.length:
if self.a_loop.isChecked():
ind = 0
else:
self.a_play.setChecked(False)
return
self.slider.setValue(ind)
def toggle_play(self, checked):
if checked:
if self.slider.value() + 1 == self.length:
self.slider.setValue(0)
self.timer.start()
else:
self.timer.stop()
def rewind(self):
self.slider.setValue(0)
def to_end(self):
self.a_play.setChecked(False)
self.slider.setValue(self.length - 1)
def step_forward(self):
self.a_play.setChecked(False)
ind = self.slider.value() + 1
if ind == self.length and self.a_loop.isChecked():
ind = 0
if ind < self.length:
self.slider.setValue(ind)
def step_backward(self):
self.a_play.setChecked(False)
ind = self.slider.value() - 1
if ind == -1 and self.a_loop.isChecked():
ind = self.length - 1
if ind >= 0:
self.slider.setValue(ind)
class MainWindow(QMainWindow):
def __init__(self, url):
super().__init__()
self.setAttribute(Qt.WA_DeleteOnClose, True)
self.progress = 0
f = QFile()
f.setFileName(":/jquery.min.js")
f.open(QIODevice.ReadOnly)
self.jQuery = f.readAll().data().decode()
self.jQuery += "\nvar qt = { 'jQuery': jQuery.noConflict(true) };"
f.close()
self.view = QWebEngineView(self)
self.view.load(url)
self.view.loadFinished.connect(self.adjustLocation)
self.view.titleChanged.connect(self.adjustTitle)
self.view.loadProgress.connect(self.setProgress)
self.view.loadFinished.connect(self.finishLoading)
self.locationEdit = QLineEdit(self)
self.locationEdit.setSizePolicy(
QSizePolicy.Expanding,
self.locationEdit.sizePolicy().verticalPolicy())
self.locationEdit.returnPressed.connect(self.changeLocation)
toolBar = self.addToolBar(self.tr("Navigation"))
toolBar.addAction(self.view.pageAction(QWebEnginePage.Back))
toolBar.addAction(self.view.pageAction(QWebEnginePage.Forward))
toolBar.addAction(self.view.pageAction(QWebEnginePage.Reload))
toolBar.addAction(self.view.pageAction(QWebEnginePage.Stop))
toolBar.addWidget(self.locationEdit)
viewMenu = self.menuBar().addMenu(self.tr("&View"))
viewSourceAction = QAction(self.tr("Page Source"), self)
viewSourceAction.triggered.connect(self.viewSource)
viewMenu.addAction(viewSourceAction)
effectMenu = self.menuBar().addMenu(self.tr("&Effect"))
effectMenu.addAction(self.tr("Highlight all links"),
self.highlightAllLinks)
self.rotateAction = QAction(self)
self.rotateAction.setIcon(self.style().standardIcon(
QStyle.SP_FileDialogDetailedView))
self.rotateAction.setCheckable(True)
self.rotateAction.setText(self.tr("Turn images upside down"))
self.rotateAction.toggled.connect(self.rotateImages)
effectMenu.addAction(self.rotateAction)
toolsMenu = self.menuBar().addMenu(self.tr("&Tools"))
toolsMenu.addAction(self.tr("Remove GIF images"), self.removeGifImages)
toolsMenu.addAction(self.tr("Remove all inline frames"),
self.removeInlineFrames)
toolsMenu.addAction(self.tr("Remove all object elements"),
self.removeObjectElements)
toolsMenu.addAction(self.tr("Remove all embedded elements"),
self.removeEmbeddedElements)
self.setCentralWidget(self.view)
@Slot()
def adjustLocation(self):
self.locationEdit.setText(self.view.url().toString())
@Slot()
def changeLocation(self):
url = QUrl.fromUserInput(self.locationEdit.text())
self.view.load(url)
self.view.setFocus()
@Slot()
def adjustTitle(self):
if self.progress <= 0 or self.progress >= 100:
self.setWindowTitle(self.view.title())
else:
self.setWindowTitle("%s (%2d)" %
(self.view.title(), self.progress))
@Slot(int)
def setProgress(self, p):
self.progress = p
self.adjustTitle()
@Slot()
def finishLoading(self):
self.progress = 100
self.adjustTitle()
self.view.page().runJavaScript(self.jQuery)
self.rotateImages(self.rotateAction.isChecked())
@Slot()
def viewSource(self):
self.textEdit = QTextEdit()
self.textEdit.setAttribute(Qt.WA_DeleteOnClose)
self.textEdit.adjustSize()
self.textEdit.move(self.geometry().center() -
self.textEdit.rect().center())
self.textEdit.show()
self.view.page().toHtml(self.textEdit.setPlainText)
@Slot()
def highlightAllLinks(self):
code = "qt.jQuery('a').each( function () { qt.jQuery(this).css('background-color', 'yellow') } )"
self.view.page().runJavaScript(code)
@Slot(bool)
def rotateImages(self, invert):
code = ""
if invert:
code = "qt.jQuery('img').each( function () { qt.jQuery(this).css('transition', 'transform 2s'); qt.jQuery(this).css('transform', 'rotate(180deg)') } )" # noqa: E501
else:
code = "qt.jQuery('img').each( function () { qt.jQuery(this).css('transition', 'transform 2s'); qt.jQuery(this).css('transform', 'rotate(0deg)') } )" # noqa: E501
self.view.page().runJavaScript(code)
@Slot()
def removeGifImages(self):
code = "qt.jQuery('[src*=gif]').remove()"
self.view.page().runJavaScript(code)
@Slot()
def removeInlineFrames(self):
code = "qt.jQuery('iframe').remove()"
self.view.page().runJavaScript(code)
@Slot()
def removeObjectElements(self):
code = "qt.jQuery('object').remove()"
self.view.page().runJavaScript(code)
@Slot()
def removeEmbeddedElements(self):
code = "qt.jQuery('embed').remove()"
self.view.page().runJavaScript(code)