Havoc Pennington wrote:
> I don't think gtk_widget_modify_bg() requires
> allocating the color...
I eventually got my test program running fine,
see my reply to Sven.
> In general with GTK 2 allocating/freeing
> colors should never be necessary,
> gdk_rgb_find_color() and
> gdk_gc_set_fg_color()/gdk_gc_set_bg_color() should
> be used instead.
With these functions things didn't go too well.
static int
configure_event_cb(GtkWidget * w, GdkEvent * e,
gpointer p) {
GdkColor color = {-1,-1,-1,-1};
GdkEventConfigure * cfg = (GdkEventConfigure*)e;
color.red = g_rand_int_range(my_rand,0,256);
color.green = g_rand_int_range(my_rand,0,256);
color.blue = g_rand_int_range(my_rand,0,256);
gdk_rgb_find_color(gtk_widget_get_colormap(w),
&color);
g_print("color: pixel=%08X red=%02X green=%02X"
"blue=%02X\n",color.pixel,color.red,
color.green,color.blue);
gdk_gc_set_foreground(
w->style->bg_gc[GTK_STATE_NORMAL],&color);
gtk_widget_queue_draw_area(w,0,0,cfg->width,
cfg->height);
return TRUE; // FALSE ?
}
Pixel.color always gets zero after
gdk_rgb_find_color.
I tried reading the sources to find some clue, but
they are, well, a little difficult.
FWIW I'm using 16-bit color.
(Posting from webmail, don't know how this will
look.)
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