--- /dev/null
+# -*- coding: utf-8 -*-
+"""
+Curseurs winwii
+
+$Id$
+$URL$
+"""
+
+import pygame
+import os
+from threading import Thread
+import time
+from eventutils import EventHandlerMixin, event_handler
+from itertools import cycle
+
+class WarpingCursor(pygame.sprite.DirtySprite, EventHandlerMixin):
+ '''
+ The class for animating the warping cursor
+ '''
+
+ @staticmethod
+ def _get_theme_images(name) :
+ basePath = os.path.abspath(__file__).split(os.path.sep)[:-1]
+ basePath.extend(['data', 'cursor'])
+ basePath.append(name)
+ basePath = os.path.sep.join(basePath)
+ images = [f for f in os.listdir(basePath) if os.path.splitext(f)[1] == '.png']
+ return basePath, images
+
+
+ def __init__(self, theme='black-perforated', duration=100, blinkMode=True):
+ pygame.sprite.DirtySprite.__init__(self)
+ imagesPath, images = WarpingCursor._get_theme_images(theme)
+ flashImage = images.pop(images.index('flash.png'))
+ flashImagePath = os.path.sep.join([imagesPath, flashImage])
+ self.flashImage = pygame.image.load(flashImagePath).convert_alpha()
+ images.sort(lambda a, b : cmp(*[int(os.path.splitext(f)[0]) for f in [a, b]]))
+
+ self.images = []
+ for img in images :
+ imagePath = os.path.sep.join([imagesPath, img])
+ img = pygame.image.load(imagePath).convert_alpha()
+ self.images.append(img)
+
+ # assumes that all images have same dimensions
+ self.width = self.images[0].get_width()
+ self.height = self.images[0].get_height()
+ self.duration = duration
+
+ self.image = self.images[0]
+ # workarround cursor alignement problem
+ pygame.event.set_blocked(pygame.MOUSEMOTION)
+ pygame.mouse.set_pos(pygame.mouse.get_pos())
+ pygame.event.set_allowed(pygame.MOUSEMOTION)
+ # ---
+ x, y = pygame.mouse.get_pos()
+ left = x - self.width / 2
+ top = y - self.height / 2
+ self.rect = pygame.Rect((left, top), (self.width, self.height))
+
+ self.blinkMode = blinkMode
+ self._startBlink()
+
+ def __del__(self) :
+ if hasattr(self, 'timer') :
+ try : self.timer.stop()
+ except : pass
+
+ def _startBlink(self) :
+ if self.blinkMode :
+ self._blinking = True
+ self.iterator = self.iterImages()
+ self.timer = ForeverTimer(self.duration, self.loadNext)
+ self.timer.start()
+
+ def _stopBlink(self) :
+ if self.blinkMode :
+ self.timer.stop()
+
+ def iterImages(self) :
+ for img in cycle(self.images) :
+ yield img
+
+ def loadNext(self) :
+ if self._blinking :
+ self.dirty = 1
+ self.image = self.iterator.next()
+
+ @event_handler(pygame.MOUSEBUTTONDOWN)
+ def flashOn(self, event) :
+ self.dirty = 1
+ self._blinking = False
+ self.image = self.flashImage
+
+ @event_handler(pygame.MOUSEBUTTONUP)
+ def flashOff(self, event) :
+ self.dirty = 1
+ if self.blinkMode :
+ self._blinking = True
+ else :
+ self.image = self.images[0]
+
+ @event_handler(pygame.MOUSEMOTION)
+ def move(self, event) :
+ self.dirty = 1
+ self.rect.move_ip(event.rel)
+
+ def setPosition(self, pos) :
+ self.dirty = 1
+ x, y = pos
+ rx, ry = self.rect.centerx, self.rect.centery
+ self.rect.move_ip(x-rx, y-ry)
+
+
+class ForeverTimer(Thread) :
+ def __init__(self, duration, func, *args, **kw) :
+ Thread.__init__(self)
+ self.duration = duration / 1000.
+ self.func = func
+ self.args = args
+ self.kw = kw
+ self.running = True
+
+ def run(self) :
+ while self.running :
+ self.func(*self.args, **self.kw)
+ time.sleep(self.duration)
+
+ def stop(self) :
+ self.running = False
\ No newline at end of file