From d2854834e18443876c8f75e0a7f3b88d1d549fc4 Mon Sep 17 00:00:00 2001 From: Daniel Wilhelm Date: Fri, 18 Apr 2014 17:15:39 +0200 Subject: 4.2 --- wx+/no_flicker.h | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 wx+/no_flicker.h (limited to 'wx+/no_flicker.h') diff --git a/wx+/no_flicker.h b/wx+/no_flicker.h new file mode 100644 index 00000000..0dceba97 --- /dev/null +++ b/wx+/no_flicker.h @@ -0,0 +1,35 @@ +// ************************************************************************** +// * This file is part of the FreeFileSync project. It is distributed under * +// * GNU General Public License: http://www.gnu.org/licenses/gpl.html * +// * Copyright (C) 2008-2011 ZenJu (zhnmju123 AT gmx.de) * +// ************************************************************************** + +#ifndef NO_FLICKER_HEADER_893421590321532 +#define NO_FLICKER_HEADER_893421590321532 + +#include + +namespace zen +{ +inline +void setText(wxTextCtrl& control, const wxString& newText, bool* additionalLayoutChange = NULL) +{ + if (additionalLayoutChange && !*additionalLayoutChange) //never revert from true to false! + *additionalLayoutChange = control.GetValue().length() != newText.length(); //avoid screen flicker: update layout only when necessary + + if (control.GetValue() != newText) + control.ChangeValue(newText); +} + +inline +void setText(wxStaticText& control, const wxString& newText, bool* additionalLayoutChange = NULL) +{ + if (additionalLayoutChange && !*additionalLayoutChange) + *additionalLayoutChange = control.GetLabel().length() != newText.length(); //avoid screen flicker: update layout only when necessary + + if (control.GetLabel() != newText) + control.SetLabel(newText); +} +} + +#endif //NO_FLICKER_HEADER_893421590321532 -- cgit