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gtk: Fix crash in CellRenderer.OnGetSize callback

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Handle the case when the native cell_area is not set.
This commit is contained in:
Bertrand Lorentz 2011-07-02 19:02:52 +02:00
parent a85ebc481f
commit 23a0aa7af2
1 changed files with 3 additions and 1 deletions
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4
gtk/CellRenderer.custom
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@ -54,7 +54,9 @@
try { try {
CellRenderer obj = GLib.Object.GetObject (item, false) as CellRenderer; CellRenderer obj = GLib.Object.GetObject (item, false) as CellRenderer;
Gtk.Widget widg = GLib.Object.GetObject (widget, false) as Gtk.Widget; Gtk.Widget widg = GLib.Object.GetObject (widget, false) as Gtk.Widget;
Gdk.Rectangle cell_area = Gdk.Rectangle.New (cell_area_ptr); Gdk.Rectangle cell_area = Gdk.Rectangle.Zero;
if (cell_area_ptr != IntPtr.Zero)
cell_area = Gdk.Rectangle.New (cell_area_ptr);
int a, b, c, d; int a, b, c, d;
obj.OnGetSize (widg, ref cell_area, out a, out b, out c, out d); obj.OnGetSize (widg, ref cell_area, out a, out b, out c, out d);