def __del__(self):
#We assume that there is only one Gui object.
if Widget.widgetExists(self.mTop):
#self.mTop.shutDown()
self.mTop.setFocusHandler(None)
self.mTop=None
def handleModalFocusGained(self):
# Distribute an event to all widgets in the "widget with mouse" queue.
while len(self.mWidgetWithMouseQueue) > 0:
widget=self.mWidgetWithMouseQueue[0]
if Widget.widgetExists(widget) == True:
self.distributeMouseEvent(widget,MouseEvent.EXITED,self.mLastMousePressButton,self.mLastMousePressX,self.mLastMousePressY,true,true)
self.mWidgetWithMouseQueue.pop(0)
self.mFocusHandler.setLastWidgetWithModalMouseInputFocus(self.mFocusHandler.getModalMouseInputFocused())
def handleModalFocusReleased(self):
#Check all widgets below the mouse to see if they are
#present in the "widget with mouse" queue. If a widget
#is not then it should be added and an entered event should
#be sent to it.
widget=self.getEventSource(self.mLastMouseX,self.mLastMouseX)
parent=widget
while parent != None:
parent=widget.getParent()
#Check if the widget is present in the "widget with mouse" queue.
widgetIsPresentInQueue = false
for i in self.mWidgetWithMouseQueue:
if i == widget:
widgetIsPresentInQueue = true
break
#Widget is not present, send an entered event and add
#it to the "widget with mouse" queue.
if widgetIsPresentInQueue == False and Widget.widgetExists(widget) == True:
self.distributeMouseEvent(widget,MouseEvent.ENTERED,self.mLastMousePressButtons,self.mLastMouseX,self.mLastMouseY,False,True)
self.mWidgetWithMouseQueue.insert(0,widget)
swap = widget
widget = parent
parent = swap.getParent()
def distributeKeyEvent(self,keyEvent):
parent=keyEvent.getSource()
widget=keyEvent.getSource()
if self.mFocusHandler.getModalFocused() != None and widget.isModalFocused() == False:
return None
if self.mFocusHandler.getModalMouseInputFocused() != None and widget.isModalMouseInputFocused() == False:
return None
while parent != None:
#If the widget has been removed due to input
#cancel the distribution.
if Widget.widgetExists(widget) == False:
break
parent=widget.getParent()
type=keyEvent.getType()
if widget.isEnabled() == True:
keyListeners=widget.getKeyListeners()
for i in keyListeners:
if type == KeyEvent.PRESSED:
i().keyPressed(keyEvent)
elif type == KeyEvent.RELEASED:
i().keyReleased(keyEvent)
else:
raise GCN_EXCEPTION("Unknown key event type.")
swap=widget
widget=parent
parent=swap.getParent()
#If a non modal focused widget has been reached
#and we have modal focus cancel the distribution.
if self.mFocusHandler.getModalFocused() != None and widget.isModalFocused() == False:
break
def distributeMouseEvent(self,source,type,button,x,y,force=False,toSourceOnly=False):
parent=source
widget=source
if self.mFocusHandler.getModalFocused() != None and widget.isModalFocused() == False and force == False:
return None
if self.mFocusHandler.getModalMouseInputFocused() != None and widget.isModalMouseInputFocused() == False and force == False:
return None
mouseEvent=MouseEvent(source,self.mShiftPressed,self.mControlPressed,self.mAltPressed,self.mMetaPressed,type,button,x,y,self.mClickCount)
while parent != None:
#If the widget has been removed due to input
#cancel the distribution.
if Widget.widgetExists(widget) == False:
return None
parent=widget.getParent()
if widget.isEnabled() == True or force == True:
widgetX, widgetY=widget.getAbsolutePosition()
mouseEvent.mX=x-widgetX
mouseEvent.mY=y-widgetY
mouseListeners=widget.getMouseListeners()
type=mouseEvent.getType()
#Send the event to all mouse listeners of the widget.
for i in mouseListeners:
if type == MouseEvent.ENTERED:
i().mouseEntered(mouseEvent)
elif type == MouseEvent.DRAGGED:
i().mouseDragged(mouseEvent)
elif type == MouseEvent.EXITED:
i().mouseExited(mouseEvent)
elif type == MouseEvent.MOVED:
i().mouseMoved(mouseEvent)
elif type == MouseEvent.PRESSED:
i().mousePressed(mouseEvent)
elif type == MouseEvent.RELEASED:
i().mouseReleased(mouseEvent)
elif type == MouseEvent.WHEEL_MOVED_UP:
i().mouseWheelMovedUp(mouseEvent)
elif type == MouseEvent.WHEEL_MOVED_DOWN:
i().mouseWheelMovedDown(mouseEvent)
elif type == MouseEvent.CLICKED:
i().mouseClicked(mouseEvent)
else:
raise GCN_EXCEPTION("Unknown mouse event type.")
if toSourceOnly == True:
break
swap=widget
widget=parent
parent=swap.getParent()
#If a non modal focused widget has been reached
#and we have modal focus cancel the distribution.
if self.mFocusHandler.getModalFocused() != None and widget.isModalFocused() == False:
break
#If a non modal mouse input focused widget has been reached
#and we have modal mouse input focus cancel the distribution.
if self.mFocusHandler.getModalMouseInputFocused() != None and widget.isModalMouseInputFocused() == False:
break
def handleMouseMoved(self,mouseInput):
if len(self.mWidgetWithMouseQueue) > 0 and ( mouseInput.getX() < 0 or mouseInput.getY() < 0 or self.mTop.getDimension().isPointInRect(mouseInput.getX(),mouseInput.getY()) ) == False:
#distribute an event to all widgets in the "widget with mouse" queue.
while len(self.mWidgetWithMouseQueue) > 0:
widget=self.mWidgetWithMouseQueue[0]
if Widget.widgetExists(widget):
self.distributeMouseEvent(widget,MouseEvent.EXITED,mouseInput.getButton(),mouseInput.getX(),mouseInput.getY(),true,true)
self.mWidgetWithMouseQueue.pop(0)
return None
#Check if there is a need to send mouse exited events by
#traversing the "widget with mouse" queue.
widgetWithMouseQueueCheckDone=len(self.mWidgetWithMouseQueue) == 0
while widgetWithMouseQueueCheckDone == False:
iterations=0
for i in self.mWidgetWithMouseQueue:
widget=i
#If a widget in the "widget with mouse queue" doesn't
#exist anymore it should be removed from the queue
if Widget.widgetExists(widget) == False:
self.mWidgetWithMouseQueue.remove(widget)
break
else:
x, y=widget.getAbsolutePosition()
if x > mouseInput.getX() or y > mouseInput.getX() or x+widget.getWidth() <= mouseInput.getX() or y+widget.getHeight() <= mouseInput.getY() or widget.isVisible() == False:
self.distributeMouseEvent(widget,MouseEvent.EXITED,mouseInput.getButton(),mouseInput.getX(),mouseInput.getY(),true,true)
self.mClickCount=1
self.mLastMousePressTimeStamp=0
self.mWidgetWithMouseQueue.remove(i)
break
iterations+=1
widgetWithMouseQueueCheckDone = iterations == len(self.mWidgetWithMouseQueue)
#Check all widgets below the mouse to see if they are
#present in the "widget with mouse" queue. If a widget
#is not then it should be added and an entered event should
#be sent to it.
parent=self.getMouseEventSource(mouseInput.getX(),mouseInput.getY())
widget=parent
#If a widget has modal mouse input focus then it will
#always be returned from getMouseEventSource, but we only wan't to send
#mouse entered events if the mouse has actually entered the widget with
#modal mouse input focus, hence we need to check if that's the case. If
#it's not we should simply ignore to send any mouse entered events.
if self.mFocusHandler.getModalMouseInputFocused() == widget and Widget.widgetExists(widget) == True:
x, y=widget.getAbsolutePosition()
if x > mouseInput.getX() or y > mouseInput.getY() or x+widget.getWidth() <= mouseInput.getX() or y+widget.getHeight() <= mouseInput.getY():
parent=None
while parent != None:
parent=widget.getParent()
# Check if the widget is present in the "widget with mouse" queue.
widgetIsPresentInQueue=False
for i in self.mWidgetWithMouseQueue:
if i==widget:
widgetIsPresentInQueue=True
break
# Widget is not present, send an entered event and add
#it to the "widget with mouse" queue.
if widgetIsPresentInQueue == False and Widget.widgetExists(widget) == True:
self.distributeMouseEvent(widget,MouseEvent.ENTERED,mouseInput.getButton(),mouseInput.getX(),mouseInput.getY(),True,True)
self.mWidgetWithMouseQueue.insert(0,widget)
swap = widget
widget = parent
parent = swap.getParent()
if self.mFocusHandler.getDraggedWidget() != None:
#self.distributeMouseEvent(widget,MouseEvent.DRAGGED,mouseInput.getButton(),mouseInput.getX(),mouseInput.getY(),True,True)
self.distributeMouseEvent(self.mFocusHandler.getDraggedWidget(),MouseEvent.DRAGGED,mouseInput.getButton(),mouseInput.getX(),mouseInput.getY(),True,True)
else:
self.distributeMouseEvent(widget,MouseEvent.MOVED,mouseInput.getButton(),mouseInput.getX(),mouseInput.getY(),True,True)
