use memcpy() instead of wxTmemcpy() as the latter is defined in wx/wxcrt.h which...

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

diff --git a/include/wx/msw/private.h b/include/wx/msw/private.h
index 7944e1b9767fb493942775a28a2e8af60abb7abd..28ad14f14209b2df568c9ca61985c8384c307fd9 100644 (file)
--- a/include/wx/msw/private.h
+++ b/include/wx/msw/private.h
@@ -42,13 +42,13 @@ class WXDLLIMPEXP_FWD_CORE wxWindowBase;
 
 #if wxUSE_GUI
 
-extern WXDLLEXPORT_DATA(HICON) wxSTD_FRAME_ICON;
-extern WXDLLEXPORT_DATA(HICON) wxSTD_MDIPARENTFRAME_ICON;
-extern WXDLLEXPORT_DATA(HICON) wxSTD_MDICHILDFRAME_ICON;
-extern WXDLLEXPORT_DATA(HICON) wxDEFAULT_FRAME_ICON;
-extern WXDLLEXPORT_DATA(HICON) wxDEFAULT_MDIPARENTFRAME_ICON;
-extern WXDLLEXPORT_DATA(HICON) wxDEFAULT_MDICHILDFRAME_ICON;
-extern WXDLLEXPORT_DATA(HFONT) wxSTATUS_LINE_FONT;
+extern WXDLLIMPEXP_DATA_CORE(HICON) wxSTD_FRAME_ICON;
+extern WXDLLIMPEXP_DATA_CORE(HICON) wxSTD_MDIPARENTFRAME_ICON;
+extern WXDLLIMPEXP_DATA_CORE(HICON) wxSTD_MDICHILDFRAME_ICON;
+extern WXDLLIMPEXP_DATA_CORE(HICON) wxDEFAULT_FRAME_ICON;
+extern WXDLLIMPEXP_DATA_CORE(HICON) wxDEFAULT_MDIPARENTFRAME_ICON;
+extern WXDLLIMPEXP_DATA_CORE(HICON) wxDEFAULT_MDICHILDFRAME_ICON;
+extern WXDLLIMPEXP_DATA_CORE(HFONT) wxSTATUS_LINE_FONT;
 
 #endif // wxUSE_GUI
 
@@ -213,11 +213,6 @@ struct WinStruct : public T
 #include "wx/gdicmn.h"
 #include "wx/colour.h"
 
-#include "wx/msw/dc.h"
-#include "wx/msw/dcclient.h"
-#include "wx/msw/dcmemory.h"
-
-
 // make conversion from wxColour and COLORREF a bit less painful
 inline COLORREF wxColourToRGB(const wxColour& c)
 {
@@ -256,7 +251,7 @@ enum wxSTD_COLOUR
     wxSTD_COL_MAX
 };
 
-struct WXDLLEXPORT wxCOLORMAP
+struct WXDLLIMPEXP_CORE wxCOLORMAP
 {
     COLORREF from, to;
 };
@@ -602,7 +597,7 @@ private:
         HDCMapModeChanger wxMAKE_UNIQUE_NAME(wxHDCMapModeChanger)(hdc, mm)
 #endif // __WXWINCE__/!__WXWINCE__
 
-// smart buffeer using GlobalAlloc/GlobalFree()
+// smart pointer using GlobalAlloc/GlobalFree()
 class GlobalPtr
 {
 public:
@@ -635,16 +630,36 @@ private:
 class GlobalPtrLock
 {
 public:
-    GlobalPtrLock(HGLOBAL hGlobal) : m_hGlobal(hGlobal)
+    // default ctor, use Init() later -- should only be used if the HGLOBAL can
+    // be NULL (in which case Init() shouldn't be called)
+    GlobalPtrLock()
+    {
+        m_hGlobal = NULL;
+        m_ptr = NULL;
+    }
+
+    // initialize the object, may be only called if we were created using the
+    // default ctor; HGLOBAL must not be NULL
+    void Init(HGLOBAL hGlobal)
     {
+        m_hGlobal = hGlobal;
+
+        // NB: GlobalLock() is a macro, not a function, hence don't use the
+        //     global scope operator with it (and neither with GlobalUnlock())
         m_ptr = GlobalLock(hGlobal);
         if ( !m_ptr )
             wxLogLastError(_T("GlobalLock"));
     }
 
+    // initialize the object, HGLOBAL must not be NULL
+    GlobalPtrLock(HGLOBAL hGlobal)
+    {
+        Init(hGlobal);
+    }
+
     ~GlobalPtrLock()
     {
-        if ( !GlobalUnlock(m_hGlobal) )
+        if ( m_hGlobal && !GlobalUnlock(m_hGlobal) )
         {
 #ifdef __WXDEBUG__
             // this might happen simply because the block became unlocked
@@ -657,6 +672,7 @@ public:
         }
     }
 
+    void *Get() const { return m_ptr; }
     operator void *() const { return m_ptr; }
 
 private:
@@ -852,30 +868,30 @@ WXDLLIMPEXP_BASE wxWinVersion wxGetWinVersion();
 extern HCURSOR wxGetCurrentBusyCursor();    // from msw/utils.cpp
 extern const wxCursor *wxGetGlobalCursor(); // from msw/cursor.cpp
 
-WXDLLEXPORT void wxGetCharSize(WXHWND wnd, int *x, int *y, const wxFont& the_font);
-WXDLLEXPORT void wxFillLogFont(LOGFONT *logFont, const wxFont *font);
-WXDLLEXPORT wxFont wxCreateFontFromLogFont(const LOGFONT *logFont);
-WXDLLEXPORT wxFontEncoding wxGetFontEncFromCharSet(int charset);
+WXDLLIMPEXP_CORE void wxGetCharSize(WXHWND wnd, int *x, int *y, const wxFont& the_font);
+WXDLLIMPEXP_CORE void wxFillLogFont(LOGFONT *logFont, const wxFont *font);
+WXDLLIMPEXP_CORE wxFont wxCreateFontFromLogFont(const LOGFONT *logFont);
+WXDLLIMPEXP_CORE wxFontEncoding wxGetFontEncFromCharSet(int charset);
 
-WXDLLEXPORT void wxSliderEvent(WXHWND control, WXWORD wParam, WXWORD pos);
-WXDLLEXPORT void wxScrollBarEvent(WXHWND hbar, WXWORD wParam, WXWORD pos);
+WXDLLIMPEXP_CORE void wxSliderEvent(WXHWND control, WXWORD wParam, WXWORD pos);
+WXDLLIMPEXP_CORE void wxScrollBarEvent(WXHWND hbar, WXWORD wParam, WXWORD pos);
 
 // Find maximum size of window/rectangle
-extern WXDLLEXPORT void wxFindMaxSize(WXHWND hwnd, RECT *rect);
+extern WXDLLIMPEXP_CORE void wxFindMaxSize(WXHWND hwnd, RECT *rect);
 
 // Safely get the window text (i.e. without using fixed size buffer)
-extern WXDLLEXPORT wxString wxGetWindowText(WXHWND hWnd);
+extern WXDLLIMPEXP_CORE wxString wxGetWindowText(WXHWND hWnd);
 
 // get the window class name
-extern WXDLLEXPORT wxString wxGetWindowClass(WXHWND hWnd);
+extern WXDLLIMPEXP_CORE wxString wxGetWindowClass(WXHWND hWnd);
 
 // get the window id (should be unsigned, hence this is not wxWindowID which
 // is, for mainly historical reasons, signed)
-extern WXDLLEXPORT int wxGetWindowId(WXHWND hWnd);
+extern WXDLLIMPEXP_CORE int wxGetWindowId(WXHWND hWnd);
 
 // check if hWnd's WNDPROC is wndProc. Return true if yes, false if they are
 // different
-extern WXDLLEXPORT bool wxCheckWindowWndProc(WXHWND hWnd, WXFARPROC wndProc);
+extern WXDLLIMPEXP_CORE bool wxCheckWindowWndProc(WXHWND hWnd, WXFARPROC wndProc);
 
 // Does this window style specify any border?
 inline bool wxStyleHasBorder(long style)
@@ -888,22 +904,28 @@ inline bool wxStyleHasBorder(long style)
 // functions mapping HWND to wxWindow
 // ----------------------------------------------------------------------------
 
-// this function simply checks whether the given hWnd corresponds to a wxWindow
+// this function simply checks whether the given hwnd corresponds to a wxWindow
 // and returns either that window if it does or NULL otherwise
-extern WXDLLEXPORT wxWindow* wxFindWinFromHandle(WXHWND hWnd);
+extern WXDLLIMPEXP_CORE wxWindow* wxFindWinFromHandle(HWND hwnd);
+
+// without STRICT WXHWND is the same as HWND anyhow
+inline wxWindow* wxFindWinFromHandle(WXHWND hWnd)
+{
+    return wxFindWinFromHandle(wx_static_cast(HWND, hWnd));
+}
 
 // find the window for HWND which is part of some wxWindow, i.e. unlike
 // wxFindWinFromHandle() above it will also work for "sub controls" of a
 // wxWindow.
 //
 // returns the wxWindow corresponding to the given HWND or NULL.
-extern WXDLLEXPORT wxWindow *wxGetWindowFromHWND(WXHWND hwnd);
+extern WXDLLIMPEXP_CORE wxWindow *wxGetWindowFromHWND(WXHWND hwnd);
 
 // Get the size of an icon
-extern WXDLLEXPORT wxSize wxGetHiconSize(HICON hicon);
+extern WXDLLIMPEXP_CORE wxSize wxGetHiconSize(HICON hicon);
 
 // Lines are drawn differently for WinCE and regular WIN32
-WXDLLEXPORT void wxDrawLine(HDC hdc, int x1, int y1, int x2, int y2);
+WXDLLIMPEXP_CORE void wxDrawLine(HDC hdc, int x1, int y1, int x2, int y2);
 
 // fill the client rect of the given window on the provided dc using this brush
 inline void wxFillRect(HWND hwnd, HDC hdc, HBRUSH hbr)