Add FindLength()

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

diff --git a/include/wx/msw/private.h b/include/wx/msw/private.h
index 72ef5888c957a719a8a762f8427c464f50932ba2..41209beb7588cb5dd3a048a9b68fa8759404c537 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".
@@ -21,9 +21,6 @@
     #include "wx/msw/microwin.h"
 #endif
 
-// Include fixes for MSLU:
-#include "wx/msw/mslu.h"
-
 #include "wx/log.h"
 
 class WXDLLEXPORT wxFont;
@@ -166,6 +163,7 @@ extern LONG APIENTRY _EXPORT
 // Intel, Visual Age.
 #if defined(__WXWINCE__)
     #define wxGetOSFHandle(fd) ((HANDLE)fd)
+    #define wxOpenOSFHandle(h, flags) ((int)wxPtrToUInt(h))
 #elif defined(__CYGWIN__)
     #define wxGetOSFHandle(fd) ((HANDLE)get_osfhandle(fd))
 #elif defined(__VISUALC__) \
@@ -175,6 +173,8 @@ extern LONG APIENTRY _EXPORT
    || defined(__MINGW32__) \
    || (defined(__MWERKS__) && defined(__MSL__))
     #define wxGetOSFHandle(fd) ((HANDLE)_get_osfhandle(fd))
+    #define wxOpenOSFHandle(h, flags) (_open_osfhandle(wxPtrToUInt(h), flags))
+    #define wx_fdopen _fdopen
 #endif
 
 // close the handle in the class dtor
@@ -192,10 +192,26 @@ 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
 
-#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)
@@ -319,9 +335,7 @@ inline RECT wxGetWindowRect(HWND hwnd)
     RECT rect;
 
     if ( !::GetWindowRect(hwnd, &rect) )
-    {
         wxLogLastError(_T("GetWindowRect"));
-    }
 
     return rect;
 }
@@ -331,9 +345,7 @@ inline RECT wxGetClientRect(HWND hwnd)
     RECT rect;
 
     if ( !::GetClientRect(hwnd, &rect) )
-    {
         wxLogLastError(_T("GetClientRect"));
-    }
 
     return rect;
 }
@@ -342,22 +354,6 @@ inline RECT wxGetClientRect(HWND hwnd)
 // 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
@@ -519,6 +515,41 @@ private:
     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
 {
@@ -556,9 +587,7 @@ public:
     {
         m_ptr = GlobalLock(hGlobal);
         if ( !m_ptr )
-        {
             wxLogLastError(_T("GlobalLock"));
-        }
     }
 
     ~GlobalPtrLock()
@@ -859,38 +888,28 @@ inline void *wxSetWindowUserData(HWND hwnd, void *data)
 
 #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)
 {
-    return (void *)::GetWindowLong(hwnd, GWL_USERDATA);
+    return (void *)(LONG_PTR)::GetWindowLong(hwnd, GWL_USERDATA);
 }
 
 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)
 {
-    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