sugarlabs/sugar-toolkit-gtk3
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Fix up buffering. Improve perf and avoid flickering.

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This commit is contained in:
Marco Pesenti Gritti 2006-10-23 18:31:13 +02:00
parent 1ed5450651
commit 31f6ffe916
1 changed files with 3 additions and 5 deletions
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8
sugar/graphics/canvasicon.py
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@ -88,18 +88,20 @@ class CanvasIcon(hippo.CanvasBox, hippo.CanvasItem):
hippo.CanvasBox.__init__(self, **kwargs) hippo.CanvasBox.__init__(self, **kwargs)
self._buffer = None self._buffer = None
self._buffer_size = 0.0
self.connect('button-press-event', self._button_press_event_cb) self.connect('button-press-event', self._button_press_event_cb)
def do_set_property(self, pspec, value): def do_set_property(self, pspec, value):
if pspec.name == 'icon-name': if pspec.name == 'icon-name':
self._icon_name = value self._icon_name = value
self._buffer = None
self.emit_paint_needed(0, 0, -1, -1) self.emit_paint_needed(0, 0, -1, -1)
elif pspec.name == 'color': elif pspec.name == 'color':
self._buffer = None
self._color = value self._color = value
self.emit_paint_needed(0, 0, -1, -1) self.emit_paint_needed(0, 0, -1, -1)
elif pspec.name == 'size': elif pspec.name == 'size':
self._buffer = None
self._size = value self._size = value
self.emit_request_changed() self.emit_request_changed()
@ -112,10 +114,6 @@ class CanvasIcon(hippo.CanvasBox, hippo.CanvasItem):
return self._color return self._color
def _get_buffer(self, cr, handle, size): def _get_buffer(self, cr, handle, size):
if self._buffer and self._buffer_size != size:
del self._buffer
self._buffer = None
if self._buffer == None: if self._buffer == None:
target = cr.get_target() target = cr.get_target()
surface = target.create_similar(cairo.CONTENT_COLOR_ALPHA, surface = target.create_similar(cairo.CONTENT_COLOR_ALPHA,