change superflous elif to else

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

diff --git a/include/wx/msw/private.h b/include/wx/msw/private.h
index 46d14af63124a7b3afda140bc9fb416a73d2de47..ff47704cfa483db90dc17881120aac9c76aa0e77 100644 (file)
--- a/include/wx/msw/private.h
+++ b/include/wx/msw/private.h
@@ -33,18 +33,10 @@ class WXDLLEXPORT wxWindow;
 // private constants
 // ---------------------------------------------------------------------------
 
 // private constants
 // ---------------------------------------------------------------------------
 

-// Conversion
-static const double METRIC_CONVERSION_CONSTANT = 0.0393700787;
-
-// Scaling factors for various unit conversions
-static const double mm2inches = (METRIC_CONVERSION_CONSTANT);
-static const double inches2mm = (1/METRIC_CONVERSION_CONSTANT);
-
-static const double mm2twips = (METRIC_CONVERSION_CONSTANT*1440);
-static const double twips2mm = (1/(METRIC_CONVERSION_CONSTANT*1440));
-
-static const double mm2pt = (METRIC_CONVERSION_CONSTANT*72);
-static const double pt2mm = (1/(METRIC_CONVERSION_CONSTANT*72));
+// 260 was taken from windef.h
+#ifndef MAX_PATH
+    #define MAX_PATH  260
+#endif

 
 // ---------------------------------------------------------------------------
 // standard icons from the resources
 
 // ---------------------------------------------------------------------------
 // standard icons from the resources


@@ -52,16 +44,22 @@ static const double pt2mm = (1/(METRIC_CONVERSION_CONSTANT*72));
 
 #if wxUSE_GUI
 
 
 #if wxUSE_GUI
 

-WXDLLEXPORT_DATA(extern HICON) wxSTD_FRAME_ICON;
-WXDLLEXPORT_DATA(extern HICON) wxSTD_MDIPARENTFRAME_ICON;
-WXDLLEXPORT_DATA(extern HICON) wxSTD_MDICHILDFRAME_ICON;
-WXDLLEXPORT_DATA(extern HICON) wxDEFAULT_FRAME_ICON;
-WXDLLEXPORT_DATA(extern HICON) wxDEFAULT_MDIPARENTFRAME_ICON;
-WXDLLEXPORT_DATA(extern HICON) wxDEFAULT_MDICHILDFRAME_ICON;
-WXDLLEXPORT_DATA(extern HFONT) wxSTATUS_LINE_FONT;
+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;

 
 #endif // wxUSE_GUI
 
 
 #endif // wxUSE_GUI
 

+// ---------------------------------------------------------------------------
+// global data
+// ---------------------------------------------------------------------------
+
+extern WXDLLIMPEXP_DATA_BASE(HINSTANCE) wxhInstance;
+

 // ---------------------------------------------------------------------------
 // define things missing from some compilers' headers
 // ---------------------------------------------------------------------------
 // ---------------------------------------------------------------------------
 // define things missing from some compilers' headers
 // ---------------------------------------------------------------------------


@@ -125,10 +123,6 @@ WXDLLEXPORT_DATA(extern HFONT) wxSTATUS_LINE_FONT;
     VOID    WINAPI ibAdjustWindowRect( HWND hWnd, LPRECT lprc ) ;
 #endif // wxUSE_ITSY_BITSY
 
     VOID    WINAPI ibAdjustWindowRect( HWND hWnd, LPRECT lprc ) ;
 #endif // wxUSE_ITSY_BITSY
 

-#if wxUSE_CTL3D
-    #include "wx/msw/ctl3d/ctl3d.h"
-#endif // wxUSE_CTL3D
-

 /*
  * 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


@@ -138,11 +132,11 @@ WXDLLEXPORT_DATA(extern HFONT) wxSTATUS_LINE_FONT;
 #define STATIC_FLAGS     (SS_LEFT|WS_CHILD|WS_VISIBLE)
 #define CHECK_CLASS      wxT("BUTTON")
 #define CHECK_FLAGS      (BS_AUTOCHECKBOX|WS_TABSTOP|WS_CHILD)
 #define STATIC_FLAGS     (SS_LEFT|WS_CHILD|WS_VISIBLE)
 #define CHECK_CLASS      wxT("BUTTON")
 #define CHECK_FLAGS      (BS_AUTOCHECKBOX|WS_TABSTOP|WS_CHILD)

-#define CHECK_IS_FAFA   FALSE
+#define CHECK_IS_FAFA    FALSE

 #define RADIO_CLASS      wxT("BUTTON")
 #define RADIO_FLAGS      (BS_AUTORADIOBUTTON|WS_CHILD|WS_VISIBLE)
 #define RADIO_SIZE       20
 #define RADIO_CLASS      wxT("BUTTON")
 #define RADIO_FLAGS      (BS_AUTORADIOBUTTON|WS_CHILD|WS_VISIBLE)
 #define RADIO_SIZE       20

-#define RADIO_IS_FAFA   FALSE
+#define RADIO_IS_FAFA    FALSE

 #define PURE_WINDOWS
 #define GROUP_CLASS      wxT("BUTTON")
 #define GROUP_FLAGS      (BS_GROUPBOX|WS_CHILD|WS_VISIBLE)
 #define PURE_WINDOWS
 #define GROUP_CLASS      wxT("BUTTON")
 #define GROUP_FLAGS      (BS_GROUPBOX|WS_CHILD|WS_VISIBLE)


@@ -220,7 +214,7 @@ enum wxSTD_COLOUR
     wxSTD_COL_BTNSHADOW,
     wxSTD_COL_BTNFACE,
     wxSTD_COL_BTNHIGHLIGHT,
     wxSTD_COL_BTNSHADOW,
     wxSTD_COL_BTNFACE,
     wxSTD_COL_BTNHIGHLIGHT,

-    wxSTD_COL_MAX,
+    wxSTD_COL_MAX

 };
 
 struct WXDLLEXPORT wxCOLORMAP
 };
 
 struct WXDLLEXPORT wxCOLORMAP


@@ -231,13 +225,16 @@ struct WXDLLEXPORT wxCOLORMAP
 // this function is implemented in src/msw/window.cpp
 extern wxCOLORMAP *wxGetStdColourMap();
 
 // this function is implemented in src/msw/window.cpp
 extern wxCOLORMAP *wxGetStdColourMap();
 

+// create a wxRect from Windows RECT
+inline wxRect wxRectFromRECT(const RECT& r)
+{
+    return wxRect(r.left, r.top, r.right - r.left, r.bottom - r.top);
+}
+

 // copy Windows RECT to our wxRect
 inline void wxCopyRECTToRect(const RECT& r, wxRect& rect)
 {
 // copy Windows RECT to our wxRect
 inline void wxCopyRECTToRect(const RECT& r, wxRect& rect)
 {

-    rect.y = r.top;
-    rect.x = r.left;
-    rect.width = r.right - r.left;
-    rect.height = r.bottom - r.top;
+    rect = wxRectFromRECT(r);

 }
 
 // translations between HIMETRIC units (which OLE likes) and pixels (which are
 }
 
 // translations between HIMETRIC units (which OLE likes) and pixels (which are


@@ -325,7 +322,8 @@ struct WinStruct : public T
     WinStruct()
     {
         ::ZeroMemory(this, sizeof(T));
     WinStruct()
     {
         ::ZeroMemory(this, sizeof(T));

-        // NB: gcc-3.4 would give syntax error without "this->"
+
+        // explicit qualification is required here for this to be valid C++

         this->cbSize = sizeof(T);
     }
 };
         this->cbSize = sizeof(T);
     }
 };


@@ -347,6 +345,22 @@ private:
     DECLARE_NO_COPY_CLASS(ScreenHDC)
 };
 
     DECLARE_NO_COPY_CLASS(ScreenHDC)
 };
 

+// the same as ScreenHDC but for window DCs
+class WindowHDC
+{
+public:
+    WindowHDC(HWND hwnd) { m_hdc = ::GetDC(m_hwnd = hwnd); }
+   ~WindowHDC() { ::ReleaseDC(m_hwnd, m_hdc); }
+
+    operator HDC() const { return m_hdc; }
+
+private:
+   HWND m_hwnd;
+   HDC m_hdc;
+
+   DECLARE_NO_COPY_CLASS(WindowHDC)
+};
+

 // the same as ScreenHDC but for memory DCs: creates the HDC compatible with
 // the given one (screen by default) in ctor and destroys it in dtor
 class MemoryHDC
 // the same as ScreenHDC but for memory DCs: creates the HDC compatible with
 // the given one (screen by default) in ctor and destroys it in dtor
 class MemoryHDC


@@ -383,6 +397,27 @@ private:
    DECLARE_NO_COPY_CLASS(SelectInHDC)
 };
 
    DECLARE_NO_COPY_CLASS(SelectInHDC)
 };
 

+// a class for temporary bitmaps
+class CompatibleBitmap
+{
+public:
+    CompatibleBitmap(HDC hdc, int w, int h)
+    {
+        m_hbmp = ::CreateCompatibleBitmap(hdc, w, h);
+    }
+
+    ~CompatibleBitmap()
+    {
+        if ( m_hbmp )
+            ::DeleteObject(m_hbmp);
+    }
+
+    operator HBITMAP() const { return m_hbmp; }
+
+private:
+    HBITMAP m_hbmp;
+};
+

 // 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


@@ -422,6 +457,64 @@ private:
     DECLARE_NO_COPY_CLASS(GlobalPtr)
 };
 
     DECLARE_NO_COPY_CLASS(GlobalPtr)
 };
 

+// register the class when it is first needed and unregister it in dtor
+class ClassRegistrar
+{
+public:
+    // ctor doesn't register the class, call Initialize() for this
+    ClassRegistrar() { m_registered = -1; }
+
+    // return true if the class is already registered
+    bool IsInitialized() const { return m_registered != -1; }
+
+    // return true if the class had been already registered
+    bool IsRegistered() const { return m_registered == 1; }
+
+    // try to register the class if not done yet, return true on success
+    bool Register(const WNDCLASS& wc)
+    {
+        // we should only be called if we hadn't been initialized yet
+        wxASSERT_MSG( m_registered == -1,
+                        _T("calling ClassRegistrar::Register() twice?") );
+
+        m_registered = ::RegisterClass(&wc) ? 1 : 0;
+        if ( !IsRegistered() )
+        {
+            wxLogLastError(_T("RegisterClassEx()"));
+        }
+        else
+        {
+            m_clsname = wc.lpszClassName;
+        }
+
+        return m_registered == 1;
+    }
+
+    // get the name of the registered class (returns empty string if not
+    // registered)
+    const wxString& GetName() const { return m_clsname; }
+
+    // unregister the class if it had been registered
+    ~ClassRegistrar()
+    {
+        if ( IsRegistered() )
+        {
+            if ( !::UnregisterClass(m_clsname, wxhInstance) )
+            {
+                wxLogLastError(_T("UnregisterClass"));
+            }
+        }
+    }
+
+private:
+    // initial value is -1 which means that we hadn't tried registering the
+    // class yet, it becomes true or false (1 or 0) when Initialize() is called
+    int m_registered;
+
+    // the name of the class, only non empty if it had been registered
+    wxString m_clsname;
+};
+

 // ---------------------------------------------------------------------------
 // macros to make casting between WXFOO and FOO a bit easier: the GetFoo()
 // returns Foo cast to the Windows type for oruselves, while GetFooOf() takes
 // ---------------------------------------------------------------------------
 // macros to make casting between WXFOO and FOO a bit easier: the GetFoo()
 // returns Foo cast to the Windows type for oruselves, while GetFooOf() takes


@@ -469,12 +562,6 @@ private:
 
 #endif // wxUSE_GUI
 
 
 #endif // wxUSE_GUI
 

-// ---------------------------------------------------------------------------
-// global data
-// ---------------------------------------------------------------------------
-
-WXDLLIMPEXP_DATA_BASE(extern HINSTANCE) wxhInstance;
-

 // ---------------------------------------------------------------------------
 // global functions
 // ---------------------------------------------------------------------------
 // ---------------------------------------------------------------------------
 // global functions
 // ---------------------------------------------------------------------------


@@ -486,13 +573,36 @@ extern "C"
 
 WXDLLIMPEXP_BASE void wxSetInstance(HINSTANCE hInst);
 
 
 WXDLLIMPEXP_BASE void wxSetInstance(HINSTANCE hInst);
 

+// return the full path of the given module
+inline wxString wxGetFullModuleName(HMODULE hmod)
+{
+    wxString fullname;
+    if ( !::GetModuleFileName
+            (
+                hmod,
+                wxStringBuffer(fullname, MAX_PATH),
+                MAX_PATH
+            ) )
+    {
+        wxLogLastError(_T("GetModuleFileName"));
+    }
+
+    return fullname;
+}
+
+// return the full path of the program file
+inline wxString wxGetFullModuleName()
+{
+    return wxGetFullModuleName((HMODULE)wxGetInstance());
+}
+

 #if wxUSE_GUI
 
 // cursor stuff
 extern HCURSOR wxGetCurrentBusyCursor();    // from msw/utils.cpp
 extern const wxCursor *wxGetGlobalCursor(); // from msw/cursor.cpp
 
 #if wxUSE_GUI
 
 // cursor stuff
 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 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);
 WXDLLEXPORT void wxFillLogFont(LOGFONT *logFont, const wxFont *font);
 WXDLLEXPORT wxFont wxCreateFontFromLogFont(const LOGFONT *logFont);
 WXDLLEXPORT wxFontEncoding wxGetFontEncFromCharSet(int charset);


@@ -501,21 +611,21 @@ WXDLLEXPORT void wxSliderEvent(WXHWND control, WXWORD wParam, WXWORD pos);
 WXDLLEXPORT void wxScrollBarEvent(WXHWND hbar, WXWORD wParam, WXWORD pos);
 
 // Find maximum size of window/rectangle
 WXDLLEXPORT void wxScrollBarEvent(WXHWND hbar, WXWORD wParam, WXWORD pos);
 
 // Find maximum size of window/rectangle

-WXDLLEXPORT extern void wxFindMaxSize(WXHWND hwnd, RECT *rect);
+extern WXDLLEXPORT void wxFindMaxSize(WXHWND hwnd, RECT *rect);

 
 // Safely get the window text (i.e. without using fixed size buffer)
 
 // Safely get the window text (i.e. without using fixed size buffer)

-WXDLLEXPORT extern wxString wxGetWindowText(WXHWND hWnd);
+extern WXDLLEXPORT wxString wxGetWindowText(WXHWND hWnd);

 
 // get the window class name
 
 // get the window class name

-WXDLLEXPORT extern wxString wxGetWindowClass(WXHWND hWnd);
+extern WXDLLEXPORT wxString wxGetWindowClass(WXHWND hWnd);

 
 // get the window id (should be unsigned, hence this is not wxWindowID which
 // is, for mainly historical reasons, signed)
 
 // get the window id (should be unsigned, hence this is not wxWindowID which
 // is, for mainly historical reasons, signed)

-WXDLLEXPORT extern WXWORD wxGetWindowId(WXHWND hWnd);
+extern WXDLLEXPORT WXWORD wxGetWindowId(WXHWND hWnd);

 
 // check if hWnd's WNDPROC is wndProc. Return true if yes, false if they are
 // different
 
 // check if hWnd's WNDPROC is wndProc. Return true if yes, false if they are
 // different

-WXDLLEXPORT extern bool wxCheckWindowWndProc(WXHWND hWnd, WXFARPROC wndProc);
+extern WXDLLEXPORT bool wxCheckWindowWndProc(WXHWND hWnd, WXFARPROC wndProc);

 
 // Does this window style specify any border?
 inline bool wxStyleHasBorder(long style)
 
 // Does this window style specify any border?
 inline bool wxStyleHasBorder(long style)


@@ -530,17 +640,17 @@ inline bool wxStyleHasBorder(long style)
 
 // this function simply checks whether the given hWnd corresponds to a wxWindow
 // and returns either that window if it does or NULL otherwise
 
 // this function simply checks whether the given hWnd corresponds to a wxWindow
 // and returns either that window if it does or NULL otherwise

-WXDLLEXPORT extern wxWindow* wxFindWinFromHandle(WXHWND hWnd);
+extern WXDLLEXPORT wxWindow* wxFindWinFromHandle(WXHWND 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.
 
 // 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.

-WXDLLEXPORT extern wxWindow *wxGetWindowFromHWND(WXHWND hwnd);
+extern WXDLLEXPORT wxWindow *wxGetWindowFromHWND(WXHWND hwnd);

 
 // Get the size of an icon
 
 // Get the size of an icon

-WXDLLEXPORT extern wxSize wxGetHiconSize(HICON hicon);
+extern WXDLLEXPORT 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);
 
 // Lines are drawn differently for WinCE and regular WIN32
 WXDLLEXPORT void wxDrawLine(HDC hdc, int x1, int y1, int x2, int y2);


@@ -573,6 +683,13 @@ 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)
 {
     return (void *)::GetWindowLong(hwnd, GWL_WNDPROC);
 inline void *wxGetWindowProc(HWND hwnd)
 {
     return (void *)::GetWindowLong(hwnd, GWL_WNDPROC);


@@ -593,6 +710,11 @@ inline void *wxSetWindowUserData(HWND hwnd, void *data)
     return (void *)::SetWindowLong(hwnd, GWL_USERDATA, (LONG)data);
 }
 
     return (void *)::SetWindowLong(hwnd, GWL_USERDATA, (LONG)data);
 }
 

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

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