modificaciones sobre transparencias de los widgets

1 files changed, 57 insertions, 0 deletions

diff --git a/example-exp.py b/example-exp.py
new file mode 100755
index 0000000..eaef203
--- /dev/null
+++ b/example-exp.py
@@ -0,0 +1,57 @@
+#!/usr/bin/python
+import gtk
+import gobject
+
+
+class MyApp():
+
+    def __init__(self):
+        window = gtk.Window()
+        window.set_decorated(False)
+        window.set_opacity(0)
+
+        drawing_area = gtk.DrawingArea()
+        drawing_area.set_size_request(512, 512)
+
+        #self.pixbuf = gtk.gdk.Pixbuf(gtk.gdk.COLORSPACE_RGB, True, 8, 300, 300)
+
+        window.connect('destroy', self.destroy)
+        drawing_area.connect('configure_event', self.__configure_cb)
+        drawing_area.connect('expose-event', self.__expose_cb)
+
+        window.add(drawing_area)
+        
+        window.set_position(gtk.WIN_POS_CENTER_ALWAYS)
+        window.show()
+        drawing_area.show()
+
+    def destroy(self, window, data=None):
+        gtk.main_quit()
+
+    def __configure_cb(self, drawing_area, data=None):
+        x, y, width, height = drawing_area.get_allocation()
+        
+        drawing_area.window.set_opacity(0)
+        canvas = drawing_area.window
+
+        #self.pixmap = gtk.gdk.Pixmap(canvas, width, height, depth=-1)
+
+        #self.pixmap.draw_pixbuf(None, self.pixbuf, 0, 0, 0, 0, -1, -1,
+        #                        gtk.gdk.RGB_DITHER_NONE, 0, 0)
+        return True
+
+    def __expose_cb(self, drawing_area, data=None):
+        x, y, width, height = data.area
+        #context = drawing_area.get_style().fg_gc[gtk.STATE_NORMAL]
+        context = drawing_area.window.new_gc(foreground=None, background=None)
+
+        canvas = drawing_area.window
+        
+        
+        canvas.draw_drawable(context, self.pixmap, x, y, x, y, width, height)
+
+        return False
+
+if __name__ == "__main__":
+    my_app = MyApp()
+    gtk.main()