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Don't pass invalid rectangles to cairo

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This causes pixman warnings, or worse.
Clearly, something is not quite right here, if we end up
redrawing tabs at a time when the allocation is set to (1, 1).
For now, avoid straining the error handling in the lower layers.

https://bugzilla.gnome.org/show_bug.cgi?id=746301
This commit is contained in:
Matthias Clasen 2015-03-16 12:51:56 -04:00
parent 855c4dc0ce
commit c7672699e9
1 changed files with 2 additions and 2 deletions
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4
gtk/gtknotebook.c
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@ -4832,7 +4832,7 @@ gtk_notebook_redraw_tabs (GtkNotebook *notebook)
page->allocation.height - padding.bottom;
/* fall through */
case GTK_POS_TOP:
redraw_rect.width = allocation.width - 2 * border;
redraw_rect.width = MAX (1, allocation.width - 2 * border);
redraw_rect.height = page->allocation.height + padding.top;
break;
@ -4843,7 +4843,7 @@ gtk_notebook_redraw_tabs (GtkNotebook *notebook)
/* fall through */
case GTK_POS_LEFT:
redraw_rect.width = page->allocation.width + padding.left;
redraw_rect.height = allocation.height - 2 * border;
redraw_rect.height = MAX (1, allocation.height - 2 * border);
break;
}