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Add wxWindowBase::SetDoubleBuffered() stub

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This method was already provided by wxGTK and wxMSW, but not wxOSX nor
any other ports.

Provide a stub for it in wxWindowBase to allow user code to call it on
all platforms, there is no harm in that even if it doesn't (and can't)
do anything under macOS.
This commit is contained in:
Vadim Zeitlin
2017-11-11 11:47:56 +01:00
parent 7a7f715160
commit c98fa0ca98
3 changed files with 5 additions and 5 deletions
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3
include/wx/gtk/window.h
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@@ -122,8 +122,7 @@ public:
virtual bool DoIsExposed( int x, int y ) const wxOVERRIDE; virtual bool DoIsExposed( int x, int y ) const wxOVERRIDE;
virtual bool DoIsExposed( int x, int y, int w, int h ) const wxOVERRIDE; virtual bool DoIsExposed( int x, int y, int w, int h ) const wxOVERRIDE;
// currently wxGTK2-only virtual void SetDoubleBuffered(bool on) wxOVERRIDE;
void SetDoubleBuffered(bool on);
virtual bool IsDoubleBuffered() const wxOVERRIDE; virtual bool IsDoubleBuffered() const wxOVERRIDE;
// SetLabel(), which does nothing in wxWindow // SetLabel(), which does nothing in wxWindow

4
include/wx/msw/window.h
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@@ -532,11 +532,9 @@ public:
// check if mouse is in the window // check if mouse is in the window
bool IsMouseInWindow() const; bool IsMouseInWindow() const;
// check if a native double-buffering applies for this window virtual void SetDoubleBuffered(bool on) wxOVERRIDE;
virtual bool IsDoubleBuffered() const wxOVERRIDE; virtual bool IsDoubleBuffered() const wxOVERRIDE;
void SetDoubleBuffered(bool on);
// synthesize a wxEVT_LEAVE_WINDOW event and set m_mouseInWindow to false // synthesize a wxEVT_LEAVE_WINDOW event and set m_mouseInWindow to false
void GenerateMouseLeave(); void GenerateMouseLeave();

3
include/wx/window.h
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@@ -1065,6 +1065,9 @@ public:
// adjust DC for drawing on this window // adjust DC for drawing on this window
virtual void PrepareDC( wxDC & WXUNUSED(dc) ) { } virtual void PrepareDC( wxDC & WXUNUSED(dc) ) { }
// enable or disable double buffering
virtual void SetDoubleBuffered(bool WXUNUSED(on)) { }
// return true if the window contents is double buffered by the system // return true if the window contents is double buffered by the system
virtual bool IsDoubleBuffered() const { return false; } virtual bool IsDoubleBuffered() const { return false; }