git.maemo.org Git - ussd-widget/blob - ussd-pad/src/opt/ussd-pad/ui/ImageButton.py

   1 from Widget import Widget
   2 from Pixmap import Pixmap, TEMPORARY_PIXMAP
   3 from utils import logging
   4
   5
   6 class ImageButton(Widget):
   7
   8     def __init__(self, img1, img2, manual = False):
   9
  10         self.__bg = None
  11         self.__buffer = None
  12         self.__state = 0
  13
  14         self.__img1 = img1
  15         self.__img2 = img2
  16
  17         Widget.__init__(self)
  18         #self.set_size(img1.get_width(), img1.get_height())
  19         self.set_size(64, 64)
  20
  21         if (not manual):
  22             self.connect_button_pressed(self.__on_click, True)
  23             self.connect_button_released(self.__on_click, False)
  24
  25
  26     def _reload(self):
  27
  28         #self.__bg = None
  29         self.set_images(self.__img1, self.__img2)
  30
  31
  32     def set_size(self, w, h):
  33
  34         Widget.set_size(self, w ,h)
  35         self.__bg = Pixmap(None, w, h)
  36         self.__buffer = TEMPORARY_PIXMAP #Pixmap(None, w, h)
  37
  38
  39     def render_this(self):
  40
  41         if (not self.may_render()): return
  42
  43         x, y = self.get_screen_pos()
  44         w, h = self.get_size()
  45         screen = self.get_screen()
  46
  47         # save background
  48         #if (not self.__bg):
  49         #    self.__bg = Pixmap(None, w, h)
  50         self.__bg.copy_buffer(screen, x, y, 0, 0, w, h)
  51
  52         self.__render_button()
  53
  54
  55     def __on_click(self, px, py, clicked):
  56
  57         if (clicked):
  58             self.__state = 1
  59             #self.__render_button(1)
  60         else:
  61             self.__state = 0
  62             #self.__render_button(0)
  63         self.__render_button()
  64
  65
  66
  67     def _render_content(self, cnv):
  68
  69         pass
  70
  71
  72
  73     def __render_button(self):
  74
  75         #self.__state = state
  76         if (not self.may_render()): return
  77
  78         x, y = self.get_screen_pos()
  79         w, h = self.get_size()
  80         screen = self.get_screen()
  81
  82         if (self.__state == 0):
  83             img = self.__img1
  84         else:
  85             img = self.__img2
  86
  87         self.__buffer.copy_pixmap(self.__bg, 0, 0, 0, 0, w, h)
  88         #self.__buffer.draw_pixbuf(img,
  89         #                          (w - img.get_width()) / 2,
  90         #                          (h - img.get_height()) / 2)
  91         logging.debug("size of button image: %d x %d",
  92                       img.get_width(), img.get_height())
  93         if ((w, h) != (img.get_width(), img.get_height())):
  94             self.__buffer.draw_frame(img, 0, 0, w, h, True)
  95         else:
  96             self.__buffer.draw_pixbuf(img, 0, 0)
  97
  98         self._render_content(self.__buffer)
  99
 100         screen.copy_pixmap(self.__buffer, 0, 0, x, y, w, h)
 101
 102
 103
 104     def set_images(self, img1, img2):
 105
 106         self.__img1 = img1
 107         self.__img2 = img2
 108
 109         #self.set_size(img1.get_width(), img1.get_height())
 110         #self.__render_button(self.__state)
 111         self.__render_button()
 112
 113
 114     def set_active(self, active):
 115
 116         if (active):
 117             self.__state = 1
 118             #self.__render_button(1)
 119         else:
 120             self.__state = 0
 121             #self.__render_button(0)
 122         self.__render_button()
 123