def wheelEvent(self, event):
"""Mouse wheel event"""
if QApplication.keyboardModifiers() == Qt.ControlModifier:
factor = 1.41**(-event.angleDelta() / 240.0)
self.scale(factor, factor)
else:
QGraphicsView.wheelEvent(self, event)
def wheelEvent(self, event):
"""Mouse wheel event"""
if QApplication.keyboardModifiers() == Qt.ControlModifier:
if event.angleDelta().y() < 0:
self.zoomOut()
else:
self.zoomIn()
else:
QGraphicsView.wheelEvent(self, event)
def keyPressEvent(self, event):
"""Handles the key press events"""
if event.key() == Qt.Key_Escape:
self.sigEscapePressed.emit()
event.accept()
elif event.key() == Qt.Key_C and \
event.modifiers() == Qt.ControlModifier:
self.onCopy()
event.accept()
else:
QGraphicsView.keyPressEvent(self, event)
def __createLayout(self):
"""Creates the dialog layout"""
self.setMinimumWidth(300)
self.setMinimumHeight(250)
self.resize(400, 300)
self.setSizeGripEnabled(True)
verticalLayout = QVBoxLayout(self)
verticalLayout.setContentsMargins(5, 5, 5, 5)
gridLayout = QGridLayout()
bgLabel = QLabel('Select background color:', self)
gridLayout.addWidget(bgLabel, 0, 0, 1, 1)
self.__bgColorButton = ColorButton('', self)
gridLayout.addWidget(self.__bgColorButton, 0, 1, 1, 1)
fgLabel = QLabel('Select foreground color:', self)
gridLayout.addWidget(fgLabel, 1, 0, 1, 1)
self.__fgColorButton = ColorButton('', self)
gridLayout.addWidget(self.__fgColorButton, 1, 1, 1, 1)
borderLabel = QLabel('Select border color (*):', self)
gridLayout.addWidget(borderLabel, 2, 0, 1, 1)
self.__borderColorButton = ColorButton('', self)
gridLayout.addWidget(self.__borderColorButton, 2, 1, 1, 1)
verticalLayout.addLayout(gridLayout)
verticalLayout.addWidget(
QLabel('(*): docstrings use it only when shown as badges'))
# Sample area
self.__scene = QGraphicsScene()
self.__view = QGraphicsView()
self.__view.setScene(self.__scene)
verticalLayout.addWidget(self.__view)
# Buttons at the bottom
buttonBox = QDialogButtonBox(self)
buttonBox.setOrientation(Qt.Horizontal)
buttonBox.setStandardButtons(QDialogButtonBox.Cancel
| QDialogButtonBox.Ok)
verticalLayout.addWidget(buttonBox)
buttonBox.accepted.connect(self.accept)
buttonBox.rejected.connect(self.reject)
def wheelEvent(self, event):
"""Mouse wheel event"""
modifiers = QApplication.keyboardModifiers()
if modifiers == Qt.ControlModifier:
angleDelta = event.angleDelta()
if not angleDelta.isNull():
if angleDelta.y() > 0:
Settings().onFlowZoomIn()
else:
Settings().onFlowZoomOut()
event.accept()
elif modifiers == Qt.ShiftModifier:
angleDelta = event.angleDelta()
if not angleDelta.isNull():
if angleDelta.y() > 0:
self.__parentWidget.onSmartZoomLevelUp()
else:
self.__parentWidget.onSmartZoomLevelDown()
event.accept()
else:
QGraphicsView.wheelEvent(self, event)
def setScene(self, scene):
"""Sets the scene to display"""
scene.setBackgroundBrush(GlobalData().skin['nolexerPaper'])
QGraphicsView.setScene(self, scene)
def __init__(self, parent=None):
QGraphicsView.__init__(self, parent)
class CustomColorsDialog(QDialog):
"""Custom colors dialog implementation"""
def __init__(self, bgcolor, fgcolor, bordercolor, parent=None):
"""colors are instances of QColor"""
QDialog.__init__(self, parent)
self.setWindowTitle('Custom colors')
self.__createLayout()
self.__bgColorButton.setColor(bgcolor)
self.__bgColorButton.sigColorChanged.connect(self.__onColorChanged)
self.__fgColorButton.setColor(fgcolor)
self.__fgColorButton.sigColorChanged.connect(self.__onColorChanged)
self.__borderColorButton.setColor(bordercolor)
self.__borderColorButton.sigColorChanged.connect(self.__onColorChanged)
QTimer.singleShot(1, self.__onColorChanged)
def __createLayout(self):
"""Creates the dialog layout"""
self.setMinimumWidth(300)
self.setMinimumHeight(250)
self.resize(400, 300)
self.setSizeGripEnabled(True)
verticalLayout = QVBoxLayout(self)
verticalLayout.setContentsMargins(5, 5, 5, 5)
gridLayout = QGridLayout()
bgLabel = QLabel('Select background color:', self)
gridLayout.addWidget(bgLabel, 0, 0, 1, 1)
self.__bgColorButton = ColorButton('', self)
gridLayout.addWidget(self.__bgColorButton, 0, 1, 1, 1)
fgLabel = QLabel('Select foreground color:', self)
gridLayout.addWidget(fgLabel, 1, 0, 1, 1)
self.__fgColorButton = ColorButton('', self)
gridLayout.addWidget(self.__fgColorButton, 1, 1, 1, 1)
borderLabel = QLabel('Select border color (*):', self)
gridLayout.addWidget(borderLabel, 2, 0, 1, 1)
self.__borderColorButton = ColorButton('', self)
gridLayout.addWidget(self.__borderColorButton, 2, 1, 1, 1)
verticalLayout.addLayout(gridLayout)
verticalLayout.addWidget(
QLabel('(*): docstrings use it only when shown as badges'))
# Sample area
self.__scene = QGraphicsScene()
self.__view = QGraphicsView()
self.__view.setScene(self.__scene)
verticalLayout.addWidget(self.__view)
# Buttons at the bottom
buttonBox = QDialogButtonBox(self)
buttonBox.setOrientation(Qt.Horizontal)
buttonBox.setStandardButtons(QDialogButtonBox.Cancel
| QDialogButtonBox.Ok)
verticalLayout.addWidget(buttonBox)
buttonBox.accepted.connect(self.accept)
buttonBox.rejected.connect(self.reject)
def __onColorChanged(self):
"""The user changed the color so redraw the sample"""
viewWidth = self.__view.width()
viewHeight = self.__view.height()
self.__scene.clear()
# without '-4' scrollbar will appear
self.__scene.setSceneRect(0, 0, viewWidth - 4, viewHeight - 4)
block = SampleBlock(getCflowSettings(self), self.backgroundColor(),
self.foregroundColor(), self.borderColor(),
viewWidth, viewHeight)
self.__scene.addItem(block)
self.__scene.update()
def backgroundColor(self):
"""Provides the background color"""
return self.__bgColorButton.color()
def foregroundColor(self):
"""Provides the foreground color"""
return self.__fgColorButton.color()
def borderColor(self):
"""Provides the border color"""
return self.__borderColorButton.color()