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authorGraeme Geldenhuys <graemeg@gmail.com>2014-02-24 06:18:15 +0000
committerGraeme Geldenhuys <graemeg@gmail.com>2014-02-24 06:18:15 +0000
commitda868a5dda60620ff29e23b977b75f20f6f1f24b (patch)
tree2b4077f795b48e8ec61df7cfee893a7123b949fb /src/corelib/x11
parentb0c9f165ee385f085c2f1086510daf8002f6fc51 (diff)
downloadfpGUI-da868a5dda60620ff29e23b977b75f20f6f1f24b.tar.xz
fix github bug #8: fpGUI as x11 root window fails.
Solution gave by Mohaslan. Checking if AWindow or AProperty actually have valid values resolves the problem.
Diffstat (limited to 'src/corelib/x11')
-rw-r--r--src/corelib/x11/fpg_netlayer_x11.pas4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/corelib/x11/fpg_netlayer_x11.pas b/src/corelib/x11/fpg_netlayer_x11.pas
index b328378d..463eee8e 100644
--- a/src/corelib/x11/fpg_netlayer_x11.pas
+++ b/src/corelib/x11/fpg_netlayer_x11.pas
@@ -1,7 +1,7 @@
{
fpGUI - Free Pascal GUI Toolkit
- Copyright (C) 2006 - 2010 See the file AUTHORS.txt, included in this
+ Copyright (C) 2006 - 2014 See the file AUTHORS.txt, included in this
distribution, for details of the copyright.
See the file COPYING.modifiedLGPL, included in this distribution,
@@ -690,6 +690,8 @@ var
bytes_after: culong;
begin
Result := False;
+ if (AWindow = 0) or (AProperty = 0) then
+ Exit;
XGetWindowProperty (FDisplay, AWindow, AProperty, 0, MaxInt, TBool(False), XA_ATOM, @atomtype, @format, @nitems,
@bytes_after, @Atoms);