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"""
"""
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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