def createButton(self, button, propertyDict=dict()):
"""
Creates the buttons according to the user size definition
button: Button name
propertyDict: optional dict parameters that may contain other properties to button, such as color, tooltip and custom category
"""
pushButton = QPushButton(button)
keys = list(propertyDict.keys())
styleSheet = ''
if 'buttonColor' in keys:
r, g, b, a = propertyDict['buttonColor'].split(',')
styleSheet += "background-color:rgba({0},{1},{2},{3});".format(
r, g, b, a)
if 'buttonToolTip' in keys:
pushButton.setToolTip(propertyDict['buttonToolTip'])
if 'buttonShortcut' in keys:
keySequence = QKeySequence(propertyDict['buttonShortcut'])
pushButton.setText('{0} [{1}]'.format(
button, keySequence.toString(format=QKeySequence.NativeText)))
pushButton.setShortcut(keySequence)
pushButton.clicked.connect(self.reclassify)
pushButton.toggled.connect(self.acquire)
if self.size == 0:
pushButton.setMinimumSize(100, 25)
styleSheet += 'font-size:12px;'
elif self.size == 1:
pushButton.setMinimumSize(100, 40)
styleSheet += 'font-size:20px;'
elif self.size == 2:
pushButton.setMinimumSize(100, 80)
styleSheet += 'font-size:30px;'
pushButton.setStyleSheet(styleSheet)
self.buttons.append(pushButton)
return pushButton
class ShortcutChooserWidget(QtWidgets.QWidget, FORM_CLASS):
keyPressed = pyqtSignal()
def __init__(self, parent=None):
"""
Initializates ShortcutChooserWidget
"""
super(ShortcutChooserWidget, self).__init__(parent)
self.resetVariables()
self.setupUi(self)
@pyqtSlot(bool)
def on_assignShortcutPushButton_clicked(self):
"""
After button is clicked, focus is needed to use keyPressEvent and keyReleaseEvent
"""
self.setFocus()
@pyqtSlot(bool)
def on_assignShortcutPushButton_toggled(self, toggled):
"""
Button toggled reset self.modifiers and self.keys and also prepairs button text
"""
if toggled:
self.resetVariables()
self.assignShortcutPushButton.setText(self.tr('Enter Value'))
@pyqtSlot(bool, name='on_clearPushButton_clicked')
def clearAll(self):
"""
Clears push button and also resets self.modifiers and self.keys
"""
self.assignShortcutPushButton.setChecked(False)
self.assignShortcutPushButton.setText(self.tr('Assign Shortcut'))
self.resetVariables()
def resetVariables(self):
"""
Resets self.modifiers, self.key and self.keySequence to 0
"""
self.modifiers = 0
self.key = 0
self.keySequence = 0
def keyPressEvent(self, event):
"""
"""
if not self.assignShortcutPushButton.isChecked():
super(ShortcutChooserWidget, self).keyPressEvent(event)
return
key = int(event.key())
if key == Qt.Key_Meta:
self.modifiers |= Qt.META
self.updateShortcutText()
elif key == Qt.Key_Alt:
self.modifiers |= Qt.ALT
self.updateShortcutText()
elif key == Qt.Key_Control:
self.modifiers |= Qt.CTRL
self.updateShortcutText()
elif key == Qt.Key_Shift:
self.modifiers |= Qt.SHIFT
self.updateShortcutText()
elif key == Qt.Key_Escape:
self.assignShortcutPushButton.setChecked(False)
return
else:
self.key = key
self.updateShortcutText()
def keyReleaseEvent(self, event):
if not self.assignShortcutPushButton.isChecked():
super(ShortcutChooserWidget, self).keyReleaseEvent(event)
return
key = event.key()
if key == Qt.Key_Meta:
self.modifiers &= Qt.META
self.updateShortcutText()
elif key == Qt.Key_Alt:
self.modifiers &= Qt.ALT
self.updateShortcutText()
elif key == Qt.Key_Control:
self.modifiers &= Qt.CTRL
self.updateShortcutText()
elif key == Qt.Key_Shift:
self.modifiers &= Qt.SHIFT
self.updateShortcutText()
elif key == Qt.Key_Escape:
return
else:
self.assignShortcutPushButton.setChecked(False)
self.updateShortcutText()
self.setShortcut(self.keySequence)
def setEnabled(self, enabled):
if not enabled:
self.clearAll()
super(ShortcutChooserWidget, self).setEnabled(enabled)
def setShortcut(self, shortcut):
self.keySequence = QKeySequence(shortcut)
self.assignShortcutPushButton.setChecked(False)
self.assignShortcutPushButton.setText(
self.keySequence.toString(format=QKeySequence.NativeText))
def getShortcut(self, asQKeySequence=False):
if asQKeySequence:
return self.keySequence
else:
return int(self.keySequence)
def updateShortcutText(self):
self.keySequence = QKeySequence(self.modifiers + self.key)
#this uses QKeySequence.NativeText to show in the interface. To store data, no filter should be provided
self.assignShortcutPushButton.setText(
self.tr('Input: {0}').format(
self.keySequence.toString(format=QKeySequence.NativeText)))