def onEventPreview(self, event):
type = DOM.eventGetType(event)
if type == "keydown":
return (self.onKeyDownPreview(
DOM.eventGetKeyCode(event),
KeyboardListener.getKeyboardModifiers(event))
and (not self.modal or self._event_targets_popup(event)))
elif type == "keyup":
return (self.onKeyUpPreview(
DOM.eventGetKeyCode(event),
KeyboardListener.getKeyboardModifiers(event))
and (not self.modal or self._event_targets_popup(event)))
elif type == "keypress":
return (self.onKeyPressPreview(
DOM.eventGetKeyCode(event),
KeyboardListener.getKeyboardModifiers(event))
and (not self.modal or self._event_targets_popup(event)))
elif (type == "mousedown" or type == "blur"):
if DOM.getCaptureElement() is not None:
return True
if self.autoHide and not self._event_targets_popup(event):
self.hide(True)
return True
elif (type == "mouseup" or type == "click" or type == "mousemove"
or type == "dblclick"):
if DOM.getCaptureElement() is not None:
return True
return not self.modal or self._event_targets_popup(event)
def onBrowserEvent(self, event):
etype = DOM.eventGetType(event)
if etype == "click":
e = DOM.eventGetTarget(event)
if not self.shouldTreeDelegateFocusToElement(e) and \
self.curSelection is not None:
self.setFocus(True)
elif etype in MouseListener.MOUSE_EVENTS:
if etype == "mousedown":
self.elementClicked(self.root, DOM.eventGetTarget(event))
MouseListener.fireMouseEvent(self.mouseListeners, self, event)
elif etype == "blur" or etype == "focus":
FocusListener.fireFocusEvent(self.focusListeners, self, event)
elif etype == "keydown":
if self.curSelection is None:
if self.root.getChildCount() > 0:
self.onSelection(self.root.getChild(0), True)
Widget.onBrowserEvent(self, event)
return
if self.lastEventType == "keydown":
return
keycode = DOM.eventGetKeyCode(event)
if keycode == KeyboardListener.KEY_UP:
self.moveSelectionUp(self.curSelection, True)
DOM.eventPreventDefault(event)
elif keycode == KeyboardListener.KEY_DOWN:
self.moveSelectionDown(self.curSelection, True)
DOM.eventPreventDefault(event)
elif keycode == KeyboardListener.KEY_LEFT:
if self.curSelection.getState():
self.curSelection.setState(False)
DOM.eventPreventDefault(event)
elif keycode == KeyboardListener.KEY_RIGHT:
if not self.curSelection.getState():
self.curSelection.setState(True)
DOM.eventPreventDefault(event)
elif etype == "keyup":
if DOM.eventGetKeyCode(event) == KeyboardListener.KEY_TAB:
chain = []
self.collectElementChain(chain, self.getElement(),
DOM.eventGetTarget(event))
item = self.findItemByChain(chain, 0, self.root)
if item != self.getSelectedItem():
self.setSelectedItem(item, True)
elif etype == "keypress":
KeyboardListener.fireKeyboardEvent(self.keyboardListeners,
self, event)
Widget.onBrowserEvent(self, event)
self.lastEventType = etype
def onBrowserEvent(self, event):
etype = DOM.eventGetType(event)
if etype == "click":
e = DOM.eventGetTarget(event)
if not self.shouldTreeDelegateFocusToElement(e) and \
self.curSelection is not None:
self.setFocus(True)
elif etype in MouseListener.MOUSE_EVENTS:
if etype == "mousedown":
self.elementClicked(self.root, DOM.eventGetTarget(event))
MouseListener.fireMouseEvent(self.mouseListeners, self, event)
elif etype == "blur" or etype == "focus":
FocusListener.fireFocusEvent(self.focusListeners, self, event)
elif etype == "keydown":
if self.curSelection is None:
if self.root.getChildCount() > 0:
self.onSelection(self.root.getChild(0), True)
Widget.onBrowserEvent(self, event)
return
if self.lastEventType == "keydown":
return
keycode = DOM.eventGetKeyCode(event)
if keycode == KeyboardListener.KEY_UP:
self.moveSelectionUp(self.curSelection, True)
DOM.eventPreventDefault(event)
elif keycode == KeyboardListener.KEY_DOWN:
self.moveSelectionDown(self.curSelection, True)
DOM.eventPreventDefault(event)
elif keycode == KeyboardListener.KEY_LEFT:
if self.curSelection.getState():
self.curSelection.setState(False)
DOM.eventPreventDefault(event)
elif keycode == KeyboardListener.KEY_RIGHT:
if not self.curSelection.getState():
self.curSelection.setState(True)
DOM.eventPreventDefault(event)
elif etype == "keyup":
if DOM.eventGetKeyCode(event) == KeyboardListener.KEY_TAB:
chain = []
self.collectElementChain(chain, self.getElement(),
DOM.eventGetTarget(event))
item = self.findItemByChain(chain, 0, self.root)
if item != self.getSelectedItem():
self.setSelectedItem(item, True)
elif etype == "keypress":
KeyboardListener.fireKeyboardEvent(self.keyboardListeners, self,
event)
Widget.onBrowserEvent(self, event)
self.lastEventType = etype
def onBrowserEvent(self, event) :
type = DOM.eventGetType(event)
if type == "click":
self.onClick(self)
elif type == "keydown":
modifiers = KeyboardListener.getKeyboardModifiers(event)
if hasattr(self.keyDelegate, "onKeyDown"):
self.keyDelegate.onKeyDown(self, DOM.eventGetKeyCode(event),
modifiers)
def onBrowserEvent(self, event) :
type = DOM.eventGetType(event)
if type == "click":
self.onClick(self)
elif type == "keydown":
modifiers = KeyboardListener.getKeyboardModifiers(event)
if hasattr(self.keyDelegate, "onKeyDown"):
self.keyDelegate.onKeyDown(self, DOM.eventGetKeyCode(event),
modifiers)
def onEventPreview(self, event):
type = DOM.eventGetType(event)
if type == "keydown":
return ( self.onKeyDownPreview(
DOM.eventGetKeyCode(event),
KeyboardListener.getKeyboardModifiers(event)
)
and (not self.modal or self._event_targets_popup(event))
)
elif type == "keyup":
return ( self.onKeyUpPreview(
DOM.eventGetKeyCode(event),
KeyboardListener.getKeyboardModifiers(event)
)
and (not self.modal or self._event_targets_popup(event))
)
elif type == "keypress":
return ( self.onKeyPressPreview(
DOM.eventGetKeyCode(event),
KeyboardListener.getKeyboardModifiers(event)
)
and (not self.modal or self._event_targets_popup(event))
)
elif ( type == "mousedown"
or type == "blur"
):
if DOM.getCaptureElement() is not None:
return True
if self.autoHide and not self._event_targets_popup(event):
self.hide(True)
return True
elif ( type == "mouseup"
or type == "click"
or type == "mousemove"
or type == "dblclick"
):
if DOM.getCaptureElement() is not None:
return True
return not self.modal or self._event_targets_popup(event)
def fireKeyboardEvent(listeners, sender, event):
modifiers = getKeyboardModifiers(event)
keycode = DOM.eventGetKeyCode(event)
type = DOM.eventGetType(event)
if type == "keydown":
for listener in listeners:
listener.onKeyDown(sender, keycode, modifiers)
elif type == "keyup":
for listener in listeners:
listener.onKeyUp(sender, keycode, modifiers)
elif type == "keypress":
for listener in listeners:
listener.onKeyPress(sender, keycode, modifiers)
def onBrowserEvent(self, event):
# Should not act on button if disabled.
if not self.isEnabled():
# This can happen when events are bubbled up from
# non-disabled children
return
event_type = DOM.eventGetType(event)
if event_type == "click":
# If clicks are currently disallowed, keep it from bubbling or
# being passed to the superclass.
if not self.allowClick:
DOM.eventStopPropagation(event)
return
elif event_type == "mousedown":
if DOM.eventGetButton(event) == Event.BUTTON_LEFT:
self.setFocus(True)
self.onClickStart()
DOM.setCapture(self.getElement())
self.isCapturing = True
# Prevent dragging (on some browsers)
DOM.eventPreventDefault(event)
elif event_type == "mouseup":
if self.isCapturing:
self.isCapturing = False
DOM.releaseCapture(self.getElement())
if self.isHovering() and \
DOM.eventGetButton(event) == Event.BUTTON_LEFT:
self.onClick()
elif event_type == "mousemove":
if self.isCapturing:
# Prevent dragging (on other browsers)
DOM.eventPreventDefault(event)
elif event_type == "mouseout":
to = DOM.eventGetToElement(event)
if (DOM.isOrHasChild(self.getElement(), DOM.eventGetTarget(event))
and (to is None or not DOM.isOrHasChild(self.getElement(), to))):
if self.isCapturing:
self.onClickCancel()
self.setHovering(False)
elif event_type == "mouseover":
if DOM.isOrHasChild(self.getElement(), DOM.eventGetTarget(event)):
self.setHovering(True)
if self.isCapturing:
self.onClickStart()
elif event_type == "blur":
if self.isFocusing:
self.isFocusing = False
self.onClickCancel()
elif event_type == "losecapture":
if self.isCapturing:
self.isCapturing = False
self.onClickCancel()
ButtonBase.onBrowserEvent(self, event)
# Synthesize clicks based on keyboard events AFTER the normal
# key handling.
if (DOM.eventGetTypeInt(event) & Event.KEYEVENTS) == 0:
return
keyCode = DOM.eventGetKeyCode(event)
if event_type == "keydown":
if keyCode == ' ':
self.isFocusing = True
self.onClickStart()
elif event_type == "keyup":
if self.isFocusing and keyCode == ' ':
self.isFocusing = False
self.onClick()
elif event_type == "keypress":
if keyCode == '\n' or keyCode == '\r':
self.onClickStart()
self.onClick()
def onBrowserEvent(self, event):
# Should not act on button if disabled.
if not self.getEnabled():
# This can happen when events are bubbled up from
# non-disabled children
return
event_type = DOM.eventGetType(event)
if event_type == "click":
# If clicks are currently disallowed, keep it from bubbling or
# being passed to the superclass.
if not self.allowClick:
DOM.eventStopPropagation(event)
return
elif event_type == "mousedown":
if DOM.eventGetButton(event) == Event.BUTTON_LEFT:
self.setFocus(True)
self.onClickStart()
DOM.setCapture(self.getElement())
self.isCapturing = True
# Prevent dragging (on some browsers)
DOM.eventPreventDefault(event)
elif event_type == "mouseup":
if self.isCapturing:
self.isCapturing = False
DOM.releaseCapture(self.getElement())
if self.isHovering() and \
DOM.eventGetButton(event) == Event.BUTTON_LEFT:
self.onClick()
elif event_type == "mousemove":
if self.isCapturing:
# Prevent dragging (on other browsers)
DOM.eventPreventDefault(event)
elif event_type == "mouseout":
to = DOM.eventGetToElement(event)
if (DOM.isOrHasChild(self.getElement(), DOM.eventGetTarget(event))
and (to is None or not DOM.isOrHasChild(self.getElement(), to))):
if self.isCapturing:
self.onClickCancel()
self.setHovering(False)
elif event_type == "mouseover":
if DOM.isOrHasChild(self.getElement(), DOM.eventGetTarget(event)):
self.setHovering(True)
if self.isCapturing:
self.onClickStart()
elif event_type == "blur":
if self.isFocusing:
self.isFocusing = False
self.onClickCancel()
elif event_type == "losecapture":
if self.isCapturing:
self.isCapturing = False
self.onClickCancel()
ButtonBase.onBrowserEvent(self, event)
# Synthesize clicks based on keyboard events AFTER the normal
# key handling.
if (DOM.eventGetTypeInt(event) & Event.KEYEVENTS) == 0:
return
keyCode = DOM.eventGetKeyCode(event)
if event_type == "keydown":
if keyCode == ' ':
self.isFocusing = True
self.onClickStart()
elif event_type == "keyup":
if self.isFocusing and keyCode == ' ':
self.isFocusing = False
self.onClick()
elif event_type == "keypress":
if keyCode == '\n' or keyCode == '\r':
self.onClickStart()
self.onClick()
