class Button(HelpedWidget):
def __init__(self, model, label="", help_link=""):
HelpedWidget.__init__(self, label, help_link)
self.models = {}
assert isinstance(model, ButtonModelMixin)
self.button = QToolButton()
self.button.setMinimumWidth(75)
self.button.setDefaultAction(self.createAction(model))
self.addWidget(self.button)
def addOption(self, model):
""" @type model: ButtonModelMixin"""
if self.button.popupMode() != QToolButton.MenuButtonPopup:
self.button.setPopupMode(QToolButton.MenuButtonPopup)
self.button.setMenu(QMenu())
menu = self.button.menu()
menu.addAction(self.button.defaultAction())
menu = self.button.menu()
action = self.createAction(model)
menu.addAction(action)
def createAction(self, model):
""" @type model: ButtonModelMixin"""
action = QAction(self.button)
action.setText(model.getButtonName())
action.setEnabled(model.buttonIsEnabled())
action.triggered.connect(model.buttonTriggered)
model.observable().attach(ButtonModelMixin.BUTTON_STATE_CHANGED_EVENT,
self.modelChanged)
self.models[model] = action
return action
def modelChanged(self):
for model in self.models:
assert isinstance(model, ButtonModelMixin)
action = self.models[model]
action.setText(model.getButtonName())
action.setEnabled(model.buttonIsEnabled())
def cleanup(self):
for model in self.models:
model.observable().detach(
ButtonModelMixin.BUTTON_STATE_CHANGED_EVENT, self.modelChanged)
class Button(HelpedWidget):
def __init__(self, model, label="", help_link=""):
HelpedWidget.__init__(self, label, help_link)
self.models = {}
assert isinstance(model, ButtonModelMixin)
self.button = QToolButton()
self.button.setMinimumWidth(75)
self.button.setDefaultAction(self.createAction(model))
self.addWidget(self.button)
def addOption(self, model):
""" @type model: ButtonModelMixin"""
if self.button.popupMode() != QToolButton.MenuButtonPopup:
self.button.setPopupMode(QToolButton.MenuButtonPopup)
self.button.setMenu(QMenu())
menu = self.button.menu()
menu.addAction(self.button.defaultAction())
menu = self.button.menu()
action = self.createAction(model)
menu.addAction(action)
def createAction(self, model):
""" @type model: ButtonModelMixin"""
action = QAction(self.button)
action.setText(model.getButtonName())
action.setEnabled(model.buttonIsEnabled())
action.triggered.connect(model.buttonTriggered)
model.observable().attach(ButtonModelMixin.BUTTON_STATE_CHANGED_EVENT, self.modelChanged)
self.models[model] = action
return action
def modelChanged(self):
for model in self.models:
assert isinstance(model, ButtonModelMixin)
action = self.models[model]
action.setText(model.getButtonName())
action.setEnabled(model.buttonIsEnabled())
def cleanup(self):
for model in self.models:
model.observable().detach(ButtonModelMixin.BUTTON_STATE_CHANGED_EVENT, self.modelChanged)
def rebuild( self ):
"""
Rebuilds the user interface buttons for this widget.
"""
self.setUpdatesEnabled(False)
# sync up the toolbuttons with our actions
actions = self._actionGroup.actions()
btns = self.findChildren(QToolButton)
horiz = self.direction() in (QBoxLayout.LeftToRight,
QBoxLayout.RightToLeft)
# remove unnecessary buttons
if len(actions) < len(btns):
rem_btns = btns[len(actions)-1:]
btns = btns[:len(actions)]
for btn in rem_btns:
btn.close()
btn.setParent(None)
btn.deleteLater()
# create new buttons
elif len(btns) < len(actions):
for i in range(len(btns), len(actions)):
btn = QToolButton(self)
btn.setAutoFillBackground(True)
btns.append(btn)
self.layout().addWidget(btn)
btn.clicked.connect(self.emitClicked)
# determine coloring options
palette = self.palette()
checked = palette.color(palette.Highlight)
checked_fg = palette.color(palette.HighlightedText)
unchecked = palette.color(palette.Button)
unchecked_fg = palette.color(palette.ButtonText)
border = palette.color(palette.Mid)
# define the stylesheet options
options = {}
options['top_left_radius'] = 0
options['top_right_radius'] = 0
options['bot_left_radius'] = 0
options['bot_right_radius'] = 0
options['border_color'] = border.name()
options['checked_fg'] = checked_fg.name()
options['checked_bg'] = checked.name()
options['checked_bg_alt'] = checked.darker(120).name()
options['unchecked_fg'] = unchecked_fg.name()
options['unchecked_bg'] = unchecked.name()
options['unchecked_bg_alt'] = unchecked.darker(120).name()
options['padding_top'] = 1
options['padding_bottom'] = 1
options['padding_left'] = 1
options['padding_right'] = 1
if horiz:
options['x1'] = 0
options['y1'] = 0
options['x2'] = 0
options['y2'] = 1
else:
options['x1'] = 0
options['y1'] = 0
options['x2'] = 1
options['y2'] = 1
# sync up the actions and buttons
count = len(actions)
palette = self.palette()
font = self.font()
for i, action in enumerate(actions):
btn = btns[i]
# assign the action for this button
if btn.defaultAction() != action:
# clear out any existing actions
for act in btn.actions():
btn.removeAction(act)
# assign the given action
btn.setDefaultAction(action)
options['top_left_radius'] = 1
options['bot_left_radius'] = 1
options['top_right_radius'] = 1
options['bot_right_radius'] = 1
if horiz:
options['padding_left'] = self._padding
options['padding_right'] = self._padding
else:
options['padding_top'] = self._padding
options['padding_bottom'] = self._padding
if not i:
if horiz:
options['top_left_radius'] = self.cornerRadius()
options['bot_left_radius'] = self.cornerRadius()
options['padding_left'] += self.cornerRadius() / 3.0
else:
options['top_left_radius'] = self.cornerRadius()
options['top_right_radius'] = self.cornerRadius()
options['padding_top'] += self.cornerRadius() / 3.0
if i == count - 1:
if horiz:
options['top_right_radius'] = self.cornerRadius()
options['bot_right_radius'] = self.cornerRadius()
options['padding_right'] += self.cornerRadius() / 3.0
else:
options['bot_left_radius'] = self.cornerRadius()
options['bot_right_radius'] = self.cornerRadius()
options['padding_bottom'] += self.cornerRadius() / 3.0
btn.setFont(font)
btn.setPalette(palette)
btn.setStyleSheet(TOOLBUTTON_STYLE % options)
if horiz:
btn.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Preferred)
else:
btn.setSizePolicy(QSizePolicy.Preferred, QSizePolicy.Expanding)
self.setUpdatesEnabled(True)
