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If additional areas got invalidated, don't try to add them to the paint

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* gtk/gtktextview.c (gtk_text_view_paint): If additional areas got
        invalidated, don't try to add them to the paint region: in an expose
        handler, we cannot paint outside the area that was passed in, since
        drawing will be clipped. So stealing the update region from the
        window causes lost draws.
        Patch by Owen Taylor


svn path=/trunk/; revision=22442
This commit is contained in:
Matthias Clasen 2009-03-02 15:45:53 +00:00
parent f4090b5c84
commit d30ea97464
2 changed files with 11 additions and 14 deletions
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11
ChangeLog
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@ -1,3 +1,14 @@
2009-03-02 Matthias Clasen <mclasen@redhat.com>
Bug 573688 – Don't steal update region in gtk_text_view_paint()
* gtk/gtktextview.c (gtk_text_view_paint): If additional areas got
invalidated, don't try to add them to the paint region: in an expose
handler, we cannot paint outside the area that was passed in, since
drawing will be clipped. So stealing the update region from the
window causes lost draws.
Patch by Owen Taylor
2009-03-02 Alexander Larsson <alexl@redhat.com>
Bug 573087 – gdkwindow.c: {x,y}_offset used uninitialized

14
gtk/gtktextview.c
View File

@ -4531,7 +4531,6 @@ gtk_text_view_paint (GtkWidget *widget,
GtkTextView *text_view;
GList *child_exposes;
GList *tmp_list;
GdkRegion *updates;
text_view = GTK_TEXT_VIEW (widget);
@ -4546,19 +4545,6 @@ gtk_text_view_paint (GtkWidget *widget,
gtk_text_view_flush_first_validate (text_view);
}
/* More regions could have become invalid in the above loop */
updates = gdk_window_get_update_area (text_view->text_window->bin_window);
if (updates)
{
GdkRectangle rect;
gdk_region_get_clipbox (updates, &rect);
gdk_rectangle_union (area, &rect, area);
gdk_region_destroy (updates);
}
if (!text_view->onscreen_validated)
{
g_warning (G_STRLOC ": somehow some text lines were modified or scrolling occurred since the last validation of lines on the screen - may be a text widget bug.");