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Diffstat (limited to 'pgu/gui/app.py')
| -rw-r--r-- | pgu/gui/app.py | 226 |
1 files changed, 226 insertions, 0 deletions
diff --git a/pgu/gui/app.py b/pgu/gui/app.py new file mode 100644 index 0000000..4061636 --- /dev/null +++ b/pgu/gui/app.py @@ -0,0 +1,226 @@ +""" +""" +import pygame +from pygame.locals import * + +import container +from const import * + +class App(container.Container): + """The top-level widget for an application. + + <pre>App(theme=None)</pre> + + <dl> + <dt>theme<dd>an instance of a Theme, optional as it will use the default Theme class. + </dl> + + <strong>Basic Example</strong> + <code> + app = gui.App() + app.run(widget=widget,screen=screen) + </code> + + <strong>Integrated Example</strong> + <code> + app = gui.App() + gui.init(widget=widget) + while 1: + for e in pygame.event.get(): + app.event(e) + app.update(screen) + </code> + + + + """ + def __init__(self,theme=None,**params): + App.app = self + + if theme == None: + from theme import Theme + theme = Theme() + self.theme = theme + + params['decorate'] = 'app' + container.Container.__init__(self,**params) + self._quit = False + self.widget = None + self._chsize = False + self._repaint = False + + self.screen = None + self.container = None + self.events = [] + + def resize(self): + + screen = self.screen + w = self.widget + wsize = 0 + + #5 cases + + #input screen is already set use its size + if screen: + self.screen = screen + width,height = screen.get_width(),screen.get_height() + + #display.screen + elif pygame.display.get_surface(): + screen = pygame.display.get_surface() + self.screen = screen + width,height = screen.get_width(),screen.get_height() + + #app has width,height + elif self.style.width != 0 and self.style.height != 0: + screen = pygame.display.set_mode((self.style.width,self.style.height),SWSURFACE) + self.screen = screen + width,height = screen.get_width(),screen.get_height() + + #widget has width,height, or its own size.. + else: + wsize = 1 + width,height = w.rect.w,w.rect.h = w.resize() + #w._resize() + screen = pygame.display.set_mode((width,height),SWSURFACE) + self.screen = screen + + #use screen to set up size of this widget + self.style.width,self.style.height = width,height + self.rect.w,self.rect.h = width,height + self.rect.x,self.rect.y = 0,0 + + w.rect.x,w.rect.y = 0,0 + w.rect.w,w.rect.h = w.resize(width,height) + + for w in self.windows: + w.rect.w,w.rect.h = w.resize() + + self._chsize = False + + + def init(self,widget=None,screen=None): #TODO widget= could conflict with module widget + """Initialize the application. + + <pre>App.init(widget=None,screen=None)</pre> + + <dl> + <dt>widget<dd>main widget + <dt>screen<dd>pygame.Surface to render to + </dl> + """ + + App.app = self + + if widget: self.widget = widget + if screen: self.screen = screen + + self.resize() + + w = self.widget + + self.widgets = [] + self.widgets.append(w) + w.container = self + self.focus(w) + + pygame.key.set_repeat(500,30) + + self._repaint = True + self._quit = False + + self.send(INIT) + + def event(self,e): + """Pass an event to the main widget. + + <pre>App.event(e)</pre> + + <dl> + <dt>e<dd>event + </dl> + """ + App.app = self + #NOTE: might want to deal with ACTIVEEVENT in the future. + self.send(e.type,e) + container.Container.event(self,e) + if e.type == MOUSEBUTTONUP: + if e.button not in (4,5): #ignore mouse wheel + sub = pygame.event.Event(CLICK,{ + 'button':e.button, + 'pos':e.pos}) + self.send(sub.type,sub) + container.Container.event(self,sub) + + + def loop(self): + App.app = self + s = self.screen + for e in pygame.event.get(): + if not (e.type == QUIT and self.mywindow): + self.event(e) + us = self.update(s) + pygame.display.update(us) + + + def paint(self,screen): + self.screen = screen + if self._chsize: + self.resize() + self._chsize = False + if hasattr(self,'background'): + self.background.paint(screen) + container.Container.paint(self,screen) + + def update(self,screen): + """Update the screen. + + <dl> + <dt>screen<dd>pygame surface + </dl> + """ + self.screen = screen + if self._chsize: + self.resize() + self._chsize = False + if self._repaint: + self.paint(screen) + self._repaint = False + return [pygame.Rect(0,0,screen.get_width(),screen.get_height())] + else: + us = container.Container.update(self,screen) + return us + + def run(self,widget=None,screen=None): + """Run an application. + + <p>Automatically calls <tt>App.init</tt> and then forever loops <tt>App.event</tt> and <tt>App.update</tt></p> + + <dl> + <dt>widget<dd>main widget + <dt>screen<dd>pygame.Surface to render to + </dl> + """ + self.init(widget,screen) + while not self._quit: + self.loop() + pygame.time.wait(10) + + def reupdate(self,w=None): pass + def repaint(self,w=None): self._repaint = True + def repaintall(self): self._repaint = True + def chsize(self): + self._chsize = True + self._repaint = True + + def quit(self,value=None): self._quit = True + +class Desktop(App): + """Create an App using the <tt>desktop</tt> theme class. + + <pre>Desktop()</pre> + """ + def __init__(self,**params): + params.setdefault('cls','desktop') + App.__init__(self,**params)
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