#ifndef _WX_WINDOW_H_
#define _WX_WINDOW_H_
-enum wxSystemColour;
+#include "wx/settings.h" // solely for wxSystemColour
// if this is set to 1, we use deferred window sizing to reduce flicker when
// resizing complicated window hierarchies, but this can in theory result in
// created yet)
void MSWUpdateStyle(long flagsOld, long exflagsOld);
- // translate wxWidgets coords into Windows ones suitable to be passed to
- // ::CreateWindow()
- //
- // returns true if non default coords are returned, false otherwise
- bool MSWGetCreateWindowCoords(const wxPoint& pos,
- const wxSize& size,
- int& x, int& y,
- int& w, int& h) const;
-
// get the HWND to be used as parent of this window with CreateWindow()
virtual WXHWND MSWGetParent() const;
int themePart,
int themeState,
MSWThemeColour themeColour,
- wxSystemColour fallback);
+ wxSystemColour fallback) const;
// gives the parent the possibility to draw its children background, e.g.
// this is used by wxNotebook to do it using DrawThemeBackground()
return true;
}
+#if !defined(__WXWINCE__) && !defined(__WXUNIVERSAL__)
+ #define wxHAS_MSW_BACKGROUND_ERASE_HOOK
+#endif
+
+#ifdef wxHAS_MSW_BACKGROUND_ERASE_HOOK
+ // allows the child to hook into its parent WM_ERASEBKGND processing: call
+ // MSWSetEraseBgHook() with a non-NULL window to make parent call
+ // MSWEraseBgHook() on this window (don't forget to reset it to NULL
+ // afterwards)
+ //
+ // this hack is used by wxToolBar, see comments there
+ void MSWSetEraseBgHook(wxWindow *child);
+
+ // return true if WM_ERASEBKGND is currently hooked
+ bool MSWHasEraseBgHook() const;
+
+ // called when the window on which MSWSetEraseBgHook() had been called
+ // receives WM_ERASEBKGND
+ virtual bool MSWEraseBgHook(WXHDC WXUNUSED(hDC)) { return false; }
+#endif // wxHAS_MSW_BACKGROUND_ERASE_HOOK
+
// common part of Show/HideWithEffect()
bool MSWShowWithEffect(bool show,
wxShowEffect effect,
// for state as the system will decide for us what needs to be set
void MSWUpdateUIState(int action, int state = 0);
+ // translate wxWidgets coords into Windows ones suitable to be passed to
+ // ::CreateWindow(), called from MSWCreate()
+ virtual void MSWGetCreateWindowCoords(const wxPoint& pos,
+ const wxSize& size,
+ int& x, int& y,
+ int& w, int& h) const;
+
private:
// common part of all ctors
void Init();