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## cell_renderer_image.py
##
## Contributors for this file:
## - Yann Le Boulanger <asterix@lagaule.org>
## - Nikos Kouremenos <kourem@gmail.com>
##
## Copyright (C) 2003-2004 Yann Le Boulanger <asterix@lagaule.org>
## Vincent Hanquez <tab@snarc.org>
## Copyright (C) 2005 Yann Le Boulanger <asterix@lagaule.org>
## Vincent Hanquez <tab@snarc.org>
## Nikos Kouremenos <nkour@jabber.org>
## Dimitur Kirov <dkirov@gmail.com>
## Travis Shirk <travis@pobox.com>
## Norman Rasmussen <norman@rasmussen.co.za>
##
## This program is free software; you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published
## by the Free Software Foundation; version 2 only.
##
## This program is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
## GNU General Public License for more details.
##
import gtk
import gobject
class CellRendererImage(gtk.GenericCellRenderer):
__gproperties__ = {
'image': (gobject.TYPE_OBJECT, 'Image',
'Image', gobject.PARAM_READWRITE),
}
def __init__(self):
self.__gobject_init__()
self.image = None
self.iters = {}
def do_set_property(self, pspec, value):
setattr(self, pspec.name, value)
def do_get_property(self, pspec):
return getattr(self, pspec.name)
def func(self, model, path, iter, (image, tree)):
if model.get_value(iter, 0) != image:
return
self.redraw = 1
cell_area = tree.get_cell_area(path, tree.get_column(0))
tree.queue_draw_area(cell_area.x, cell_area.y,
cell_area.width, cell_area.height)
def animation_timeout(self, tree, image):
if image.get_storage_type() != gtk.IMAGE_ANIMATION:
return
self.redraw = 0
iter = self.iters[image]
iter.advance()
model = tree.get_model()
model.foreach(self.func, (image, tree))
if self.redraw:
gobject.timeout_add(iter.get_delay_time(),
self.animation_timeout, tree, image)
elif image in self.iters:
del self.iters[image]
def on_render(self, window, widget, background_area, cell_area,
expose_area, flags):
if not self.image:
return
pix_rect = gtk.gdk.Rectangle()
pix_rect.x, pix_rect.y, pix_rect.width, pix_rect.height = \
self.on_get_size(widget, cell_area)
pix_rect.x += cell_area.x
pix_rect.y += cell_area.y
pix_rect.width -= 2 * self.get_property('xpad')
pix_rect.height -= 2 * self.get_property('ypad')
draw_rect = cell_area.intersect(pix_rect)
draw_rect = expose_area.intersect(draw_rect)
if self.image.get_storage_type() == gtk.IMAGE_ANIMATION:
if self.image not in self.iters:
animation = self.image.get_animation()
iter = animation.get_iter()
self.iters[self.image] = iter
gobject.timeout_add(iter.get_delay_time(),
self.animation_timeout, widget, self.image)
pix = self.iters[self.image].get_pixbuf()
elif self.image.get_storage_type() == gtk.IMAGE_PIXBUF:
pix = self.image.get_pixbuf()
else:
return
if draw_rect.x < 1:
return
window.draw_pixbuf(widget.style.black_gc, pix,
draw_rect.x - pix_rect.x,
draw_rect.y - pix_rect.y,
draw_rect.x, draw_rect.y + 2,
draw_rect.width, draw_rect.height,
gtk.gdk.RGB_DITHER_NONE, 0, 0)
def on_get_size(self, widget, cell_area):
if not self.image:
return 0, 0, 0, 0
if self.image.get_storage_type() == gtk.IMAGE_ANIMATION:
animation = self.image.get_animation()
pix = animation.get_iter().get_pixbuf()
elif self.image.get_storage_type() == gtk.IMAGE_PIXBUF:
pix = self.image.get_pixbuf()
else:
return 0, 0, 0, 0
pixbuf_width = pix.get_width()
pixbuf_height = pix.get_height()
calc_width = self.get_property('xpad') * 2 + pixbuf_width
calc_height = self.get_property('ypad') * 2 + pixbuf_height
x_offset = 0
y_offset = 0
if cell_area and pixbuf_width > 0 and pixbuf_height > 0:
x_offset = self.get_property('xalign') * \
(cell_area.width - calc_width - \
self.get_property('xpad'))
y_offset = self.get_property('yalign') * \
(cell_area.height - calc_height - \
self.get_property('ypad'))
return x_offset, y_offset, calc_width, calc_height
if gtk.pygtk_version < (2, 8, 0):
gobject.type_register(CellRendererImage)
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