X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/d1e4a8182ed09fc7f6b3be98ff9498ea0e89cac6..f71b0c2d56b03b7823e661aacd05cf1a791e5c2f:/include/wx/msw/private.h

diff --git a/include/wx/msw/private.h b/include/wx/msw/private.h
index 421a71771e..28ad14f142 100644
--- 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".
@@ -21,14 +21,11 @@
     #include "wx/msw/microwin.h"
 #endif
 
-// Include fixes for MSLU:
-#include "wx/msw/mslu.h"
-
 #include "wx/log.h"
 
-class WXDLLEXPORT wxFont;
-class WXDLLEXPORT wxWindow;
-class WXDLLEXPORT wxWindowBase;
+class WXDLLIMPEXP_FWD_CORE wxFont;
+class WXDLLIMPEXP_FWD_CORE wxWindow;
+class WXDLLIMPEXP_FWD_CORE wxWindowBase;
 
 // ---------------------------------------------------------------------------
 // private constants
@@ -45,13 +42,13 @@ class WXDLLEXPORT 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
 
@@ -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
@@ -210,8 +210,8 @@ struct WinStruct : public 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)
@@ -251,7 +251,7 @@ enum wxSTD_COLOUR
     wxSTD_COL_MAX
 };
 
-struct WXDLLEXPORT wxCOLORMAP
+struct WXDLLIMPEXP_CORE wxCOLORMAP
 {
     COLORREF from, to;
 };
@@ -311,21 +311,32 @@ HCURSOR wxBitmapToHCURSOR(const wxBitmap& bmp, int hotSpotX, int hotSpotY);
     #define GET_Y_LPARAM(lp) ((int)(short)HIWORD(lp))
 #endif // GET_X_LPARAM
 
-// get the current state of SHIFT/CTRL keys
-inline bool wxIsShiftDown()
+// get the current state of SHIFT/CTRL/ALT keys
+inline bool wxIsModifierDown(int vk)
 {
-//    return (::GetKeyState(VK_SHIFT) & 0x100) != 0;
-    // Returns different negative values on WinME and WinNT,
+    // GetKeyState() returns different negative values on WinME and WinNT,
     // so simply test for negative value.
-    return ::GetKeyState(VK_SHIFT) < 0;
+    return ::GetKeyState(vk) < 0;
+}
+
+inline bool wxIsShiftDown()
+{
+    return wxIsModifierDown(VK_SHIFT);
 }
 
 inline bool wxIsCtrlDown()
 {
-//    return (::GetKeyState(VK_CONTROL) & 0x100) != 0;
-    // Returns different negative values on WinME and WinNT,
-    // so simply test for negative value.
-    return ::GetKeyState(VK_CONTROL) < 0;
+    return wxIsModifierDown(VK_CONTROL);
+}
+
+inline bool wxIsAltDown()
+{
+    return wxIsModifierDown(VK_MENU);
+}
+
+inline bool wxIsAnyModifierDown()
+{
+    return wxIsShiftDown() || wxIsCtrlDown() || wxIsAltDown();
 }
 
 // wrapper around GetWindowRect() and GetClientRect() APIs doing error checking
@@ -335,9 +346,7 @@ inline RECT wxGetWindowRect(HWND hwnd)
     RECT rect;
 
     if ( !::GetWindowRect(hwnd, &rect) )
-    {
         wxLogLastError(_T("GetWindowRect"));
-    }
 
     return rect;
 }
@@ -347,9 +356,7 @@ inline RECT wxGetClientRect(HWND hwnd)
     RECT rect;
 
     if ( !::GetClientRect(hwnd, &rect) )
-    {
         wxLogLastError(_T("GetClientRect"));
-    }
 
     return rect;
 }
@@ -410,29 +417,49 @@ private:
 // dtor
 class SelectInHDC
 {
+private:
+    void DoInit(HGDIOBJ hgdiobj) { m_hgdiobj = ::SelectObject(m_hdc, hgdiobj); }
+
 public:
-    SelectInHDC(HDC hdc, HGDIOBJ hgdiobj) : m_hdc(hdc)
-        { m_hgdiobj = ::SelectObject(hdc, hgdiobj); }
+    SelectInHDC() : m_hdc(NULL) { }
+    SelectInHDC(HDC hdc, HGDIOBJ hgdiobj) : m_hdc(hdc) { DoInit(hgdiobj); }
 
-   ~SelectInHDC() { ::SelectObject(m_hdc, m_hgdiobj); }
+    void Init(HDC hdc, HGDIOBJ hgdiobj)
+    {
+        wxASSERT_MSG( !m_hdc, _T("initializing twice?") );
 
-   // return true if the object was successfully selected
-   operator bool() const { return m_hgdiobj != 0; }
+        m_hdc = hdc;
+
+        DoInit(hgdiobj);
+    }
+
+    ~SelectInHDC() { if ( m_hdc ) ::SelectObject(m_hdc, m_hgdiobj); }
+
+    // return true if the object was successfully selected
+    operator bool() const { return m_hgdiobj != 0; }
 
 private:
-   HDC m_hdc;
-   HGDIOBJ m_hgdiobj;
+    HDC m_hdc;
+    HGDIOBJ m_hgdiobj;
 
-   DECLARE_NO_COPY_CLASS(SelectInHDC)
+    DECLARE_NO_COPY_CLASS(SelectInHDC)
 };
 
 // a class which cleans up any GDI object
 class AutoGDIObject
 {
 protected:
+    AutoGDIObject() { m_gdiobj = NULL; }
     AutoGDIObject(HGDIOBJ gdiobj) : m_gdiobj(gdiobj) { }
     ~AutoGDIObject() { if ( m_gdiobj ) ::DeleteObject(m_gdiobj); }
 
+    void InitGdiobj(HGDIOBJ gdiobj)
+    {
+        wxASSERT_MSG( !m_gdiobj, _T("initializing twice?") );
+
+        m_gdiobj = gdiobj;
+    }
+
     HGDIOBJ GetObject() const { return m_gdiobj; }
 
 private:
@@ -441,7 +468,7 @@ private:
 
 // TODO: all this asks for using a AutoHandler<T, CreateFunc> template...
 
-// a class for temporary pens
+// a class for temporary brushes
 class AutoHBRUSH : private AutoGDIObject
 {
 public:
@@ -451,6 +478,22 @@ public:
     operator HBRUSH() const { return (HBRUSH)GetObject(); }
 };
 
+// a class for temporary fonts
+class AutoHFONT : private AutoGDIObject
+{
+private:
+public:
+    AutoHFONT()
+        : AutoGDIObject() { }
+
+    AutoHFONT(const LOGFONT& lf)
+        : AutoGDIObject(::CreateFontIndirect(&lf)) { }
+
+    void Init(const LOGFONT& lf) { InitGdiobj(::CreateFontIndirect(&lf)); }
+
+    operator HFONT() const { return (HFONT)GetObject(); }
+};
+
 // a class for temporary pens
 class AutoHPEN : private AutoGDIObject
 {
@@ -519,7 +562,42 @@ private:
     DECLARE_NO_COPY_CLASS(HDCClipper)
 };
 
-// smart buffeer using GlobalAlloc/GlobalFree()
+// 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 pointer using GlobalAlloc/GlobalFree()
 class GlobalPtr
 {
 public:
@@ -552,18 +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
@@ -576,6 +672,7 @@ public:
         }
     }
 
+    void *Get() const { return m_ptr; }
     operator void *() const { return m_ptr; }
 
 private:
@@ -627,7 +724,7 @@ public:
     {
         if ( IsRegistered() )
         {
-            if ( !::UnregisterClass(m_clsname, wxhInstance) )
+            if ( !::UnregisterClass(m_clsname.wx_str(), wxhInstance) )
             {
                 wxLogLastError(_T("UnregisterClass"));
             }
@@ -759,7 +856,8 @@ enum wxWinVersion
     wxWinVersion_2003 = 0x0502,
 
     wxWinVersion_6 = 0x0600,
-    wxWinVersion_NT6 = 0x0600
+    wxWinVersion_Vista = wxWinVersion_6,
+    wxWinVersion_NT6 = wxWinVersion_6
 };
 
 WXDLLIMPEXP_BASE wxWinVersion wxGetWinVersion();
@@ -770,30 +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 WXWORD 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)
@@ -806,22 +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)
@@ -859,38 +963,28 @@ 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