wxDisplay cleanup/rewrite:

[wxWidgets.git] / include / wx / msw / private.h

diff --git a/include/wx/msw/private.h b/include/wx/msw/private.h
index d76b3ae85a6beff5f81290012e27367cc5078bc6..c1b5e3e4cf4accdeb3f31ccff33b98a6c6579499 100644 (file)
--- a/include/wx/msw/private.h
+++ b/include/wx/msw/private.h
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        private.h
+// Name:        wx/msw/private.h

 // Purpose:     Private declarations: as this header is only included by
 //              wxWidgets itself, it may contain identifiers which don't start
 //              with "wx".
 // Purpose:     Private declarations: as this header is only included by
 //              wxWidgets itself, it may contain identifiers which don't start
 //              with "wx".


@@ -108,22 +108,6 @@ extern WXDLLIMPEXP_DATA_BASE(HINSTANCE) wxhInstance;
 #endif
 #endif
 
 #endif
 #endif
 

-#if wxUSE_PENWIN
-    WXDLLEXPORT void wxRegisterPenWin();
-    WXDLLEXPORT void wxCleanUpPenWin();
-    WXDLLEXPORT void wxEnablePenAppHooks (bool hook);
-#endif // wxUSE_PENWIN
-
-#if wxUSE_ITSY_BITSY
-    #define IBS_HORZCAPTION    0x4000L
-    #define IBS_VERTCAPTION    0x8000L
-
-    UINT    WINAPI ibGetCaptionSize( HWND hWnd  ) ;
-    UINT    WINAPI ibSetCaptionSize( HWND hWnd, UINT nSize ) ;
-    LRESULT WINAPI ibDefWindowProc( HWND hWnd, UINT uiMsg, WPARAM wParam, LPARAM lParam ) ;
-    VOID    WINAPI ibAdjustWindowRect( HWND hWnd, LPRECT lprc ) ;
-#endif // wxUSE_ITSY_BITSY
-

 /*
  * Decide what window classes we're going to use
  * for this combination of CTl3D/FAFA settings
 /*
  * Decide what window classes we're going to use
  * for this combination of CTl3D/FAFA settings


@@ -193,10 +177,41 @@ extern LONG APIENTRY _EXPORT
     #define wxGetOSFHandle(fd) ((HANDLE)_get_osfhandle(fd))
 #endif
 
     #define wxGetOSFHandle(fd) ((HANDLE)_get_osfhandle(fd))
 #endif
 

+// close the handle in the class dtor
+class AutoHANDLE
+{
+public:
+    wxEXPLICIT AutoHANDLE(HANDLE handle) : m_handle(handle) { }
+
+    bool IsOk() const { return m_handle != INVALID_HANDLE_VALUE; }
+    operator HANDLE() const { return m_handle; }
+
+    ~AutoHANDLE() { if ( IsOk() ) ::CloseHandle(m_handle); }
+
+protected:
+    HANDLE m_handle;
+};
+
+// a template to make initializing Windows styructs less painful: it zeroes all
+// the struct fields and also sets cbSize member to the correct value (and so
+// can be only used with structures which have this member...)
+template <class T>
+struct WinStruct : public T
+{
+    WinStruct()
+    {
+        ::ZeroMemory(this, sizeof(T));
+
+        // explicit qualification is required here for this to be valid C++
+        this->cbSize = sizeof(T);
+    }
+};
+
+

 #if wxUSE_GUI
 
 #if wxUSE_GUI
 

-#include <wx/gdicmn.h>
-#include <wx/colour.h>
+#include "wx/gdicmn.h"
+#include "wx/colour.h"

 
 // make conversion from wxColour and COLORREF a bit less painful
 inline COLORREF wxColourToRGB(const wxColour& c)
 
 // make conversion from wxColour and COLORREF a bit less painful
 inline COLORREF wxColourToRGB(const wxColour& c)


@@ -343,22 +358,6 @@ inline RECT wxGetClientRect(HWND hwnd)
 // small helper classes
 // ---------------------------------------------------------------------------
 
 // small helper classes
 // ---------------------------------------------------------------------------
 

-// a template to make initializing Windows styructs less painful: it zeroes all
-// the struct fields and also sets cbSize member to the correct value (and so
-// can be only used with structures which have this member...)
-template <class T>
-struct WinStruct : public T
-{
-    WinStruct()
-    {
-        ::ZeroMemory(this, sizeof(T));
-
-        // explicit qualification is required here for this to be valid C++
-        this->cbSize = sizeof(T);
-    }
-};
-
-

 // create an instance of this class and use it as the HDC for screen, will
 // automatically release the DC going out of scope
 class ScreenHDC
 // create an instance of this class and use it as the HDC for screen, will
 // automatically release the DC going out of scope
 class ScreenHDC


@@ -520,13 +519,75 @@ private:
     DECLARE_NO_COPY_CLASS(HDCClipper)
 };
 
     DECLARE_NO_COPY_CLASS(HDCClipper)
 };
 

+// set the given map mode for the life time of this object
+//
+// NB: SetMapMode() is not supported by CE so we also define a helper macro
+//     to avoid using it there
+#ifdef __WXWINCE__
+    #define wxCHANGE_HDC_MAP_MODE(hdc, mm)
+#else // !__WXWINCE__
+    class HDCMapModeChanger
+    {
+    public:
+        HDCMapModeChanger(HDC hdc, int mm)
+            : m_hdc(hdc)
+        {
+            m_modeOld = ::SetMapMode(hdc, mm);
+            if ( !m_modeOld )
+                wxLogLastError(_T("SelectClipRgn"));
+        }
+
+        ~HDCMapModeChanger()
+        {
+            if ( m_modeOld )
+                ::SetMapMode(m_hdc, m_modeOld);
+        }
+
+    private:
+        HDC m_hdc;
+        int m_modeOld;
+
+        DECLARE_NO_COPY_CLASS(HDCMapModeChanger)
+    };
+
+    #define wxCHANGE_HDC_MAP_MODE(hdc, mm) \
+        HDCMapModeChanger wxMAKE_UNIQUE_NAME(wxHDCMapModeChanger)(hdc, mm)
+#endif // __WXWINCE__/!__WXWINCE__
+
+// smart buffeer using GlobalAlloc/GlobalFree()
+class GlobalPtr
+{
+public:
+    // allocates a block of given size
+    GlobalPtr(size_t size, unsigned flags = GMEM_MOVEABLE)
+    {
+        m_hGlobal = ::GlobalAlloc(flags, size);
+        if ( !m_hGlobal )
+            wxLogLastError(_T("GlobalAlloc"));
+    }
+
+    ~GlobalPtr()
+    {
+        if ( m_hGlobal && ::GlobalFree(m_hGlobal) )
+            wxLogLastError(_T("GlobalFree"));
+    }
+
+    // implicit conversion
+    operator HGLOBAL() const { return m_hGlobal; }
+
+private:
+    HGLOBAL m_hGlobal;
+
+    DECLARE_NO_COPY_CLASS(GlobalPtr)
+};
+

 // when working with global pointers (which is unfortunately still necessary
 // sometimes, e.g. for clipboard) it is important to unlock them exactly as
 // many times as we lock them which just asks for using a "smart lock" class
 // when working with global pointers (which is unfortunately still necessary
 // sometimes, e.g. for clipboard) it is important to unlock them exactly as
 // many times as we lock them which just asks for using a "smart lock" class

-class GlobalPtr
+class GlobalPtrLock

 {
 public:
 {
 public:

-    GlobalPtr(HGLOBAL hGlobal) : m_hGlobal(hGlobal)
+    GlobalPtrLock(HGLOBAL hGlobal) : m_hGlobal(hGlobal)

     {
         m_ptr = GlobalLock(hGlobal);
         if ( !m_ptr )
     {
         m_ptr = GlobalLock(hGlobal);
         if ( !m_ptr )


@@ -535,7 +596,7 @@ public:
         }
     }
 
         }
     }
 

-    ~GlobalPtr()
+    ~GlobalPtrLock()

     {
         if ( !GlobalUnlock(m_hGlobal) )
         {
     {
         if ( !GlobalUnlock(m_hGlobal) )
         {


@@ -556,7 +617,7 @@ private:
     HGLOBAL m_hGlobal;
     void *m_ptr;
 
     HGLOBAL m_hGlobal;
     void *m_ptr;
 

-    DECLARE_NO_COPY_CLASS(GlobalPtr)
+    DECLARE_NO_COPY_CLASS(GlobalPtrLock)

 };
 
 // register the class when it is first needed and unregister it in dtor
 };
 
 // register the class when it is first needed and unregister it in dtor


@@ -736,7 +797,7 @@ enum wxWinVersion
     wxWinVersion_NT6 = 0x0600
 };
 
     wxWinVersion_NT6 = 0x0600
 };
 

-WXDLLEXPORT wxWinVersion wxGetWinVersion();
+WXDLLIMPEXP_BASE wxWinVersion wxGetWinVersion();

 
 #if wxUSE_GUI
 
 
 #if wxUSE_GUI
 


@@ -776,9 +837,6 @@ inline bool wxStyleHasBorder(long style)
                      wxSUNKEN_BORDER | wxDOUBLE_BORDER)) != 0;
 }
 
                      wxSUNKEN_BORDER | wxDOUBLE_BORDER)) != 0;
 }
 

-// Deferred window moving
-bool wxMoveWindowDeferred(HDWP& hdwp, wxWindowBase* win, HWND hWnd, int x, int y, int width, int height);
-

 // ----------------------------------------------------------------------------
 // functions mapping HWND to wxWindow
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // functions mapping HWND to wxWindow
 // ----------------------------------------------------------------------------


@@ -836,38 +894,28 @@ inline void *wxSetWindowUserData(HWND hwnd, void *data)
 
 #else // __WIN32__
 
 
 #else // __WIN32__
 

-#ifdef __VISUALC__
-    // strangely enough, VC++ 7.1 gives warnings about 32 -> 64 bit conversions
-    // in the functions below, even in spite of the explicit casts
-    #pragma warning(disable:4311)
-    #pragma warning(disable:4312)
-#endif
-
-inline void *wxGetWindowProc(HWND hwnd)
+// note that the casts to LONG_PTR here are required even on 32-bit machines
+// for the 64-bit warning mode of later versions of MSVC (C4311/4312)
+inline WNDPROC wxGetWindowProc(HWND hwnd)

 {
 {

-    return (void *)::GetWindowLong(hwnd, GWL_WNDPROC);
+    return (WNDPROC)(LONG_PTR)::GetWindowLong(hwnd, GWL_WNDPROC);

 }
 
 inline void *wxGetWindowUserData(HWND hwnd)
 {
 }
 
 inline void *wxGetWindowUserData(HWND hwnd)
 {

-    return (void *)::GetWindowLong(hwnd, GWL_USERDATA);
+    return (void *)(LONG_PTR)::GetWindowLong(hwnd, GWL_USERDATA);

 }
 
 inline WNDPROC wxSetWindowProc(HWND hwnd, WNDPROC func)
 {
 }
 
 inline WNDPROC wxSetWindowProc(HWND hwnd, WNDPROC func)
 {

-    return (WNDPROC)::SetWindowLong(hwnd, GWL_WNDPROC, (LONG)func);
+    return (WNDPROC)(LONG_PTR)::SetWindowLong(hwnd, GWL_WNDPROC, (LONG_PTR)func);

 }
 
 inline void *wxSetWindowUserData(HWND hwnd, void *data)
 {
 }
 
 inline void *wxSetWindowUserData(HWND hwnd, void *data)
 {

-    return (void *)::SetWindowLong(hwnd, GWL_USERDATA, (LONG)data);
+    return (void *)(LONG_PTR)::SetWindowLong(hwnd, GWL_USERDATA, (LONG_PTR)data);

 }
 
 }
 

-#ifdef __VISUALC__
-    #pragma warning(default:4311)
-    #pragma warning(default:4312)
-#endif
-

 #endif // __WIN64__/__WIN32__
 
 #endif // wxUSE_GUI
 #endif // __WIN64__/__WIN32__
 
 #endif // wxUSE_GUI