Well, you are doing things in an expose event that are better handled
somewhere else. Here's how I fixed your example (moved some code to a
"realize" event handler):
--- test-orig.py 2003-12-10 16:06:28.000000000 +0000
+++ test.py 2003-12-10 16:06:12.000000000 +0000
@@ -21,6 +21,7 @@ class DrawingArea:
self.box1 = gtk.HBox(gtk.FALSE, 10)
self.area = gtk.DrawingArea()
+ self.area.connect("realize", self.area_realize_cb)
self.Xoffset=150
self.Yoffset=150
@@ -44,9 +45,16 @@ class DrawingArea:
self.boxV.show()
window.show()
+ def area_realize_cb(self, area):
+ self.style = self.area.get_style()
+ self.gc = self.style.fg_gc[gtk.STATE_NORMAL]
+ font_desc=pango.FontDescription(self.lab_font)
+ self.area.modify_font(font_desc)
+ self.gc.foreground =self.area.get_colormap().alloc_color("black")
+ gc.collect()
+
def area_expose_cb(self, area, event):
""" Call update of the ld area on the screen """
-
if self.__area_expose_cb_lock: return gtk.TRUE
else:
self.__area_expose_cb_lock = gtk.TRUE
@@ -62,12 +70,6 @@ class DrawingArea:
Xlegend_size=self.Xleg
Ylegend_size=Yarea_size
- self.style = self.area.get_style()
- self.gc = self.style.fg_gc[gtk.STATE_NORMAL]
- font_desc=pango.FontDescription(self.lab_font)
- self.area.modify_font(font_desc)
- self.gc.foreground =self.area.get_colormap().alloc_color("black")
- gc.collect()
self.__area_expose_cb_lock = gtk.FALSE
gc.collect()
return gtk.TRUE
A Qua, 2003-12-10 �s 15:34, Jean-Baptiste Cazier escreveu:
> Hi again !
>
> Despite the many e-mails and suggestions I received, nothing has solved my problem
> so far.
> So, I stripped down my program to some essentials to show you the problem I am
> running into:
>
> The script below does nothing, but consumes 95% of my CPU !
> If I comment out the line
>
> self.area.modify_font(font_desc)
>
> Then the CPU usage drops to the expected 0.1%
>
> Can anybody find the reason ?
> Once again the pygtk and python version I am using on my redhat 9.0 box are the
> following
--
Gustavo Jo�o Alves Marques Carneiro
<[EMAIL PROTECTED]> <[EMAIL PROTECTED]>
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