+++ /dev/null
-# -*- coding: utf-8 -*-
-"""
-Curseurs winwii
-
-$Id$
-$URL$
-"""
-
-import pygame
-import os
-from eventutils import EventHandlerMixin, event_handler
-from itertools import cycle
-from pygame.locals import USEREVENT
-TIMEOUT = USEREVENT + 1
-
-class WarpingCursor(pygame.sprite.Sprite, EventHandlerMixin):
- '''
- The class for animating the warping cursor
-
- duration:
- The duration of each image in the animation
- centerPosition:
- The Position of the center of the cursor
- _imagePointer:
- A pointer to the current image
- _animationOffset:
- The time elapsed since when the current image should have been displayed
- '''
- #screen = None
- #images = None
- #durations = None
- #centerPosition = None
- #_imagePointer = None
- #_animationOffset = None
-
- @staticmethod
- def _get_theme_images(name) :
- basePath = os.path.abspath(__file__).split(os.path.sep)[:-1]
- basePath.append('data')
- 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', duration=75):
- pygame.sprite.Sprite.__init__(self)
- imagesPath, images = WarpingCursor._get_theme_images(theme)
- self.flashImage = images.pop(images.index('flash.png'))
- 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)
-
- self._imageLength = len(self.images)
- # 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]
- self.rect = pygame.Rect((0,0), (self.width, self.height))
-
- surface = pygame.display.get_surface()
- surface.blit(self.image, self.rect)
- self._startBlink()
-
- #self.flashImagePath = flashImage
- #self.durations = durations
- #self.centerPosition = initCenterPosition
- #self.flashLength = 100
- #self.flashing = False
- #self.image = pygame.image.load(self.images[0]).convert_alpha()
- #self._imagePointer = 0
- #self._animationOffset = 0
- #self._flashTimer = 0
-
- def _startBlink(self) :
- pygame.time.set_timer(TIMEOUT, self.duration)
- self.iterator = self.iterImages()
-
- def iterImages(self) :
- for img in cycle(self.images) :
- yield img
-
- @event_handler(TIMEOUT)
- def loadNext(self, event) :
- self.image = self.iterator.next()
- surface = pygame.display.get_surface()
- surface.blit(self.image, self.rect)
-
- def update(self) :
- print 'cursor update'
-
-# def update(self, elapsedTime, centerPosition):
-# '''
-# Update the cursor's look and position
-#
-# elapsedTime:
-# The time passed since the previous update
-# centerPosition:
-# the new position of the creep
-# '''
-# self._updateImage(elapsedTime)
-# self.centerPosition = centerPosition
-# if self.flashing :
-# self._flashTimer += elapsedTime
-# if self._flashTimer > self.flashLength:
-# self.flashing = False
-
- def _updateImage(self, elapsedTime):
- '''
- Update the cursor's image
-
- elapsedTime:
- The time passed since the previous update
- '''
- self._animationOffset += elapsedTime
-
- if self._animationOffset > self.duration :
- #New animation offset is computed first, before updating the pointer
- self._animationOffset -= self.duration
- #point to the next image (restarts from the beginning when it reaches the end)
- self._imagePointer = (self._imagePointer + 1) % len(self.images)
-
- if self.flashing:
- self.image = pygame.image.load(self.flashImagePath).convert_alpha()
- else :
- self.image = pygame.image.load(self.images[self._imagePointer]).convert_alpha()
-
- def flash(self,flashLength = None):
- self._flashTimer = 0
- self.flashing = True
- if flashLength:
- self.flashlength = flashLength
-
- def blit(self,surface):
- '''
- Draw the circle on surface
- '''
-
- newPos = (self.centerPosition[0] - self.image.get_width() / 2, self.centerPosition[1] - self.image.get_height() / 2)
- surface.blit(self.image, newPos)