| 1 | /////////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: wx/wupdlock.h |
| 3 | // Purpose: wxWindowUpdateLocker prevents window redrawing |
| 4 | // Author: Vadim Zeitlin |
| 5 | // Created: 2006-03-06 |
| 6 | // RCS-ID: $Id$ |
| 7 | // Copyright: (c) 2006 Vadim Zeitlin <vadim@wxwindows.org> |
| 8 | // Licence: wxWindows licence |
| 9 | /////////////////////////////////////////////////////////////////////////////// |
| 10 | |
| 11 | #ifndef _WX_WUPDLOCK_H_ |
| 12 | #define _WX_WUPDLOCK_H_ |
| 13 | |
| 14 | #include "wx/window.h" |
| 15 | |
| 16 | // ---------------------------------------------------------------------------- |
| 17 | // wxWindowUpdateLocker prevents updates to the window during its lifetime |
| 18 | // ---------------------------------------------------------------------------- |
| 19 | |
| 20 | class wxWindowUpdateLocker |
| 21 | { |
| 22 | public: |
| 23 | // create an object preventing updates of the given window (which must have |
| 24 | // a lifetime at least as great as ours) |
| 25 | wxWindowUpdateLocker(wxWindow *win) : m_win(win) { win->Freeze(); } |
| 26 | |
| 27 | // dtor thaws the window to permit updates again |
| 28 | ~wxWindowUpdateLocker() { m_win->Thaw(); } |
| 29 | |
| 30 | private: |
| 31 | wxWindow *m_win; |
| 32 | |
| 33 | DECLARE_NO_COPY_CLASS(wxWindowUpdateLocker) |
| 34 | }; |
| 35 | |
| 36 | #endif // _WX_WUPDLOCK_H_ |
| 37 | |