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# Copyright 2001 - 2016 Ludek Smid [http://www.ospace.net/] |
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# |
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# This file is part of Pygame.UI. |
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# |
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# Pygame.UI is free software; you can redistribute it and/or modify |
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# it under the terms of the Lesser GNU General Public License as published by |
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# the Free Software Foundation; either version 2.1 of the License, or |
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# (at your option) any later version. |
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# |
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# Pygame.UI is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# Lesser GNU General Public License for more details. |
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# |
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# You should have received a copy of the Lesser GNU General Public License |
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# along with Pygame.UI; if not, write to the Free Software |
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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# |
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import pygame.event |
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import Const |
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from Widget import Widget |
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class MetaWidget(Widget): |
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def __init__(self, parent, **kwargs): |
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Widget.__init__(self, parent) |
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self.__dict__['metaType'] = Const.TYPE_METAWIDGET |
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self.__dict__['_widgetArea'] = None |
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self.__dict__['_widgetSurface'] = None |
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self.__dict__['redrawMyself'] = 1 |
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self.__dict__['redrawWidgets'] = {} |
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self.__dict__['_oldWidgetArea'] = pygame.Rect(0, 0, 0, 0) |
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self.__dict__['widgets'] = [] |
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self.__dict__['widgetMap'] = {} |
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self.__dict__['layoutManager'] = None |
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self.__dict__['statusBar'] = None |
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self.__dict__['statusBarText'] = None |
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self.processKWArguments(kwargs) |
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def registerWidget(self, widget): |
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if widget not in self.widgets: |
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self.widgets.append(widget) |
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if widget.id: |
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self.widgetMap[widget.id] = widget |
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def setTagAttr(self, tagName, attrName, value): |
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for widget in self.widgets: |
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if tagName in widget.tags: |
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setattr(widget, attrName, value) |
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def getWidgetsByTag(self, tagName): |
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result = [] |
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for widget in self.widgets: |
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if tagName in widget.tags: |
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result.append(widget) |
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return result |
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def setStatus(self, text): |
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self.statusBarText = text |
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if self.statusBar: |
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self.statusBar.text = text |
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self.app.update() |
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else: |
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self.parent.setStatus(text) |
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def setTempStatus(self, text): |
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if self.statusBar: |
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if text: |
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self.statusBar.text = text |
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else: |
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self.statusBar.text = self.statusBarText |
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else: |
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self.parent.setTempStatus(text) |
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def __getattr__(self, name): |
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# no __*__ methods |
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if name[:2] == '__': |
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raise AttributeError(name) |
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# access widgets |
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value = self.__dict__['widgetMap'].get(name, Const.NoValue) |
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if value != Const.NoValue: |
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return value |
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else: |
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raise AttributeError(name) |
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def layoutWidgets(self): |
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if self.layoutManager: |
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self.layoutManager.metaWidget = self |
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self.layoutManager.layoutWidgets() |
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def redraw(self, widget, redrawParent = 0): |
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if widget.visible: |
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self.redrawWidgets[widget] = None |
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elif self.redrawWidgets.has_key(widget): |
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del self.redrawWidgets[widget] |
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if not self._changeReported: |
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self.parent.redraw(self) |
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self.__dict__['_changeReported'] = 1 |
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if redrawParent: |
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self.__dict__['redrawMyself'] = 1 |
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def drawMetaWidget(self, surface): |
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return pygame.Rect(self.rect) |
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def draw(self, surface): |
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changed = None |
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if self.visible and self.redrawMyself or not self._widgetArea: |
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self._widgetArea = self.drawMetaWidget(surface) |
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self._widgetArea = self._widgetArea.clip((0,0), surface.get_size()) |
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if self._widgetArea.width == 0: |
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# area is invisible |
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return |
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self._widgetSurface = pygame.Surface(self._widgetArea.size) |
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self._widgetSurface.blit(surface, (0,0), self._widgetArea) |
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# force to redraw all widgets |
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#@print self.__class__, 'FORCE REDRAW' |
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for widget in self.widgets: |
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if widget.visible: |
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self.redrawWidgets[widget] = None |
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if widget.metaType == Const.TYPE_METAWIDGET: |
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widget.__dict__['redrawMyself'] = 1 |
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self.__dict__['redrawMyself'] = 0 |
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changed = pygame.Rect(self._widgetSurface.get_rect()) |
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if self._widgetArea and self._widgetArea.size != self._oldWidgetArea.size: |
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#@print self.__class__, 'LAYING OUT WIDGETS' |
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self.layoutWidgets() |
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self._oldWidgetArea = pygame.Rect(self._widgetArea) |
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if self._widgetSurface and self.visible and self.redrawWidgets: |
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for widget in self.redrawWidgets: |
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assert widget.visible == 1 |
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#@print 'Draw', widget, |
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rect = widget.draw(self._widgetSurface) |
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#@print "X", rect |
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if changed and rect: changed.union_ip(rect) |
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elif rect : changed = pygame.Rect(rect) |
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widget.__dict__['_changeReported'] = 0 |
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self.__dict__['redrawWidgets'] = {} |
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if changed: |
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surface.blit(self._widgetSurface, changed.move(self._widgetArea.topleft), changed) |
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changed.move_ip(self._widgetArea.topleft) |
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#@print "Changed", changed |
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return changed |
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def transpose(self, pos): |
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if not self._widgetArea: |
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# TODO fix this, should be assert self._widgetArea |
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return (-1, -1) |
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return (pos[0] - self._widgetArea.left, |
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pos[1] - self._widgetArea.top) |
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def processMB1Down(self, evt): |
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evt = pygame.event.Event(pygame.MOUSEBUTTONDOWN, pos = self.transpose(evt.pos), button = evt.button) |
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for widget in self.widgets: |
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if widget.rect.collidepoint(evt.pos) and widget.enabled and widget.visible: |
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if widget.metaType == Const.TYPE_WIDGET: |
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self.app.setFocus(widget) |
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return widget.processMB1Down(evt) |
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self.app.setFocus(None) |
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return Const.NoEvent |
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def processMB1Up(self, evt): |
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evt = pygame.event.Event(pygame.MOUSEBUTTONUP, pos = self.transpose(evt.pos), button = evt.button) |
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widget = self.app.focusedWidget |
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if widget and widget.enabled and widget.visible: |
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widget.processMB1UpMissed(evt) |
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for widget in self.widgets: |
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if widget.rect.collidepoint(evt.pos) and widget.enabled and widget.visible: |
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return widget.processMB1Up(evt) |
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return Const.NoEvent |
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def processMB3Down(self, evt): |
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evt = pygame.event.Event(pygame.MOUSEBUTTONDOWN, pos = self.transpose(evt.pos), button = evt.button) |
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for widget in self.widgets: |
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if widget.rect.collidepoint(evt.pos) and widget.enabled and widget.visible: |
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if widget.metaType == Const.TYPE_WIDGET: |
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self.app.setFocus(widget) |
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return widget.processMB3Down(evt) |
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self.app.setFocus(None) |
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return Const.NoEvent |
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def processMB3Up(self, evt): |
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evt = pygame.event.Event(pygame.MOUSEBUTTONUP, pos = self.transpose(evt.pos), button = evt.button) |
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widget = self.app.focusedWidget |
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if widget and widget.enabled and widget.visible: |
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widget.processMB3UpMissed(evt) |
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for widget in self.widgets: |
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if widget.rect.collidepoint(evt.pos) and widget.enabled and widget.visible: |
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return widget.processMB3Up(evt) |
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return Const.NoEvent |
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def processMMotion(self, evt): |
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evt = pygame.event.Event(pygame.MOUSEMOTION, pos = self.transpose(evt.pos), rel = evt.rel, buttons = evt.buttons) |
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for widget in self.widgets: |
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if widget.rect.collidepoint(evt.pos) and widget.enabled and widget.visible: |
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if widget.metaType == Const.TYPE_WIDGET: |
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self.app.setMouseOver(widget) |
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return widget.processMMotion(evt) |
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self.app.setMouseOver(None) |
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return Const.NoEvent |
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def processMWUp(self, evt): |
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evt = pygame.event.Event(pygame.MOUSEBUTTONDOWN, pos = self.transpose(evt.pos), button = evt.button) |
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for widget in self.widgets: |
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if widget.rect.collidepoint(evt.pos) and widget.enabled and widget.visible: |
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return widget.processMWUp(evt) |
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self.app.setFocus(None) |
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return Const.NoEvent |
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def processMWDown(self, evt): |
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evt = pygame.event.Event(pygame.MOUSEBUTTONDOWN, pos = self.transpose(evt.pos), button = evt.button) |
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for widget in self.widgets: |
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if widget.rect.collidepoint(evt.pos) and widget.enabled and widget.visible: |
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return widget.processMWDown(evt) |
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self.app.setFocus(None) |
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return Const.NoEvent |
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def onMouseOver(self): |
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pass |
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def onMouseOut(self): |
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pass |
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View Code Duplication |
def __setattr__(self, name, value): |
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#@name = intern(name) |
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dict = self.__dict__ |
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if value == dict.get(name, Const.NoValue): |
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return |
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dict[name] = value |
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if name == 'visible' and self.parent: |
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#@print 'set', self, name , value |
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self.parent.redraw(self, 1) |
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dict['_changeReported'] = 1 |
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elif name[0] != '_': |
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#@print 'set', self, name , value |
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self.__dict__['redrawMyself'] = 1 |
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if self.parent and not self._changeReported: |
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self.parent.redraw(self) |
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dict['_changeReported'] = 1 |
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