Rework the wxCusor ctor taking wx stock number to provide as many cursors as

[wxWidgets.git] / src / msw / cursor.cpp

diff --git a/src/msw/cursor.cpp b/src/msw/cursor.cpp
index b1058c29a67e2f46827fa0890cce91881b407036..5e0bb783f9277d6dd82cdc0068f99d25edea90dc 100644 (file)
--- a/src/msw/cursor.cpp
+++ b/src/msw/cursor.cpp
@@ -17,10 +17,6 @@
 // headers
 // ----------------------------------------------------------------------------
 
 // headers
 // ----------------------------------------------------------------------------
 

-#ifdef __GNUG__
-    #pragma implementation "cursor.h"
-#endif
-

 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 


@@ -28,18 +24,21 @@
     #pragma hdrstop
 #endif
 
     #pragma hdrstop
 #endif
 

+#include "wx/cursor.h"
+

 #ifndef WX_PRECOMP
     #include "wx/utils.h"
     #include "wx/app.h"
     #include "wx/bitmap.h"
     #include "wx/icon.h"
 #ifndef WX_PRECOMP
     #include "wx/utils.h"
     #include "wx/app.h"
     #include "wx/bitmap.h"
     #include "wx/icon.h"

-    #include "wx/cursor.h"

     #include "wx/settings.h"
     #include "wx/settings.h"

+    #include "wx/intl.h"
+    #include "wx/image.h"
+    #include "wx/module.h"

 #endif
 
 #endif
 

-#include "wx/module.h"
-#include "wx/image.h"

 #include "wx/msw/private.h"
 #include "wx/msw/private.h"

+#include "wx/msw/missing.h" // IDC_HAND

 
 // define functions missing in MicroWin
 #ifdef __WXMICROWIN__
 
 // define functions missing in MicroWin
 #ifdef __WXMICROWIN__


@@ -101,7 +100,7 @@ public:
     {
         gs_globalCursor = new wxCursor;
 
     {
         gs_globalCursor = new wxCursor;
 

-        return TRUE;
+        return true;

     }
 
     virtual void OnExit()
     }
 
     virtual void OnExit()


@@ -154,8 +153,10 @@ void wxCursorRefData::Free()
 {
     if ( m_hCursor )
     {
 {
     if ( m_hCursor )
     {

+#ifndef __WXWINCE__

         if ( m_destroyCursor )
             ::DestroyCursor((HCURSOR)m_hCursor);
         if ( m_destroyCursor )
             ::DestroyCursor((HCURSOR)m_hCursor);

+#endif

 
         m_hCursor = 0;
     }
 
         m_hCursor = 0;
     }


@@ -169,6 +170,7 @@ wxCursor::wxCursor()
 {
 }
 
 {
 }
 

+#if wxUSE_IMAGE

 wxCursor::wxCursor(const wxImage& image)
 {
     // image has to be of the standard cursor size, otherwise we won't be able
 wxCursor::wxCursor(const wxImage& image)
 {
     // image has to be of the standard cursor size, otherwise we won't be able


@@ -176,19 +178,37 @@ wxCursor::wxCursor(const wxImage& image)
     const int w = wxCursorRefData::GetStandardWidth();
     const int h = wxCursorRefData::GetStandardHeight();
 
     const int w = wxCursorRefData::GetStandardWidth();
     const int h = wxCursorRefData::GetStandardHeight();
 

-    const int hotSpotX = image.GetOptionInt(wxCUR_HOTSPOT_X);
-    const int hotSpotY = image.GetOptionInt(wxCUR_HOTSPOT_Y);
+    int hotSpotX = image.GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_X);
+    int hotSpotY = image.GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_Y);
+    int image_w = image.GetWidth();
+    int image_h = image.GetHeight();

 
 

-    wxASSERT_MSG( hotSpotX >= 0 && hotSpotX < w &&
-                    hotSpotY >= 0 && hotSpotY < h,
+    wxASSERT_MSG( hotSpotX >= 0 && hotSpotX < image_w &&
+                  hotSpotY >= 0 && hotSpotY < image_h,

                   _T("invalid cursor hot spot coordinates") );
 
                   _T("invalid cursor hot spot coordinates") );
 

-    HCURSOR hcursor = wxBitmapToHCURSOR
-                      (
-                        wxBitmap(image.Scale(w, h)),
-                        hotSpotX,
-                        hotSpotY
-                      );
+    wxImage imageSized(image); // final image of correct size
+
+    // if image is too small then place it in the center, resize it if too big
+    if ((w > image_w) && (h > image_h))
+    {
+        wxPoint offset((w - image_w)/2, (h - image_h)/2);
+        hotSpotX = hotSpotX + offset.x;
+        hotSpotY = hotSpotY + offset.y;
+
+        imageSized = image.Size(wxSize(w, h), offset);
+    }
+    else if ((w != image_w) || (h != image_h))
+    {
+        hotSpotX = int(hotSpotX * double(w) / double(image_w));
+        hotSpotY = int(hotSpotY * double(h) / double(image_h));
+
+        imageSized = image.Scale(w, h);
+    }
+
+    HCURSOR hcursor = wxBitmapToHCURSOR( wxBitmap(imageSized),
+                                         hotSpotX, hotSpotY );
+

     if ( !hcursor )
     {
         wxLogWarning(_("Failed to create cursor."));
     if ( !hcursor )
     {
         wxLogWarning(_("Failed to create cursor."));


@@ -197,6 +217,7 @@ wxCursor::wxCursor(const wxImage& image)
 
     m_refData = new wxCursorRefData(hcursor, true /* delete it later */);
 }
 
     m_refData = new wxCursorRefData(hcursor, true /* delete it later */);
 }

+#endif // wxUSE_IMAGE

 
 wxCursor::wxCursor(const char WXUNUSED(bits)[],
                    int WXUNUSED(width),
 
 wxCursor::wxCursor(const char WXUNUSED(bits)[],
                    int WXUNUSED(width),


@@ -231,12 +252,14 @@ wxCursor::wxCursor(const wxString& filename,
     switch ( kind )
     {
         case wxBITMAP_TYPE_CUR_RESOURCE:
     switch ( kind )
     {
         case wxBITMAP_TYPE_CUR_RESOURCE:

-            hcursor = ::LoadCursor(wxGetInstance(), filename);
+            hcursor = ::LoadCursor(wxGetInstance(), filename.fn_str());

             break;
 
             break;
 

+#ifndef __WXWINCE__

         case wxBITMAP_TYPE_CUR:
         case wxBITMAP_TYPE_CUR:

-            hcursor = ::LoadCursorFromFile(filename);
+            hcursor = ::LoadCursorFromFile(filename.fn_str());

             break;
             break;

+#endif

 
         case wxBITMAP_TYPE_ICO:
             hcursor = wxBitmapToHCURSOR
 
         case wxBITMAP_TYPE_ICO:
             hcursor = wxBitmapToHCURSOR


@@ -265,17 +288,13 @@ wxCursor::wxCursor(const wxString& filename,
     if ( hcursor )
     {
         m_refData = new wxCursorRefData(hcursor, true /* delete it later */);
     if ( hcursor )
     {
         m_refData = new wxCursorRefData(hcursor, true /* delete it later */);

-
-#if WXWIN_COMPATIBILITY_2
-        ((wxCursorRefData *)m_refData)->SetOk();
-#endif // WXWIN_COMPATIBILITY_2

     }
 }
 
 // Cursors by stock number
 wxCursor::wxCursor(int idCursor)
 {
     }
 }
 
 // Cursors by stock number
 wxCursor::wxCursor(int idCursor)
 {

-    // all wxWindows standard cursors
+    // all wxWidgets standard cursors

     static const struct StdCursor
     {
         // is this a standard Windows cursor?
     static const struct StdCursor
     {
         // is this a standard Windows cursor?


@@ -287,31 +306,38 @@ wxCursor::wxCursor(int idCursor)
     {
         {  true, NULL                        }, // wxCURSOR_NONE
         {  true, IDC_ARROW                   }, // wxCURSOR_ARROW
     {
         {  true, NULL                        }, // wxCURSOR_NONE
         {  true, IDC_ARROW                   }, // wxCURSOR_ARROW

-        { false, _T("wxCURSOR_RIGHT_ARROW")  }, // wxCURSOR_RIGHT_ARROW
-        { false, _T("wxCURSOR_BULLSEYE")     }, // wxCURSOR_BULLSEYE
-        {  true, IDC_ARROW                   }, // wxCURSOR_CHAR
-        {  true, IDC_CROSS                   }, // wxCURSOR_CROSS
-        { false, _T("wxCURSOR_HAND")         }, // wxCURSOR_HAND
-        {  true, IDC_IBEAM                   }, // wxCURSOR_IBEAM
-        {  true, IDC_ARROW                   }, // wxCURSOR_LEFT_BUTTON
-        { false, _T("wxCURSOR_MAGNIFIER")    }, // wxCURSOR_MAGNIFIER
-        {  true, IDC_ARROW                   }, // wxCURSOR_MIDDLE_BUTTON
-        {  true, IDC_NO                      }, // wxCURSOR_NO_ENTRY
-        { false, _T("wxCURSOR_PAINT_BRUSH")  }, // wxCURSOR_PAINT_BRUSH
-        { false, _T("wxCURSOR_PENCIL")       }, // wxCURSOR_PENCIL
-        { false, _T("wxCURSOR_POINT_LEFT")   }, // wxCURSOR_POINT_LEFT
-        { false, _T("wxCURSOR_POINT_RIGHT")  }, // wxCURSOR_POINT_RIGHT
-        {  true, IDC_HELP                    }, // wxCURSOR_QUESTION_ARROW
-        {  true, IDC_ARROW                   }, // wxCURSOR_RIGHT_BUTTON
-        {  true, IDC_SIZENESW                }, // wxCURSOR_SIZENESW
-        {  true, IDC_SIZENS                  }, // wxCURSOR_SIZENS
-        {  true, IDC_SIZENWSE                }, // wxCURSOR_SIZENWSE
-        {  true, IDC_SIZEWE                  }, // wxCURSOR_SIZEWE
-        {  true, IDC_SIZEALL                 }, // wxCURSOR_SIZING
-        { false, _T("wxCURSOR_SPRAYCAN")     }, // wxCURSOR_SPRAYCAN
-        {  true, IDC_WAIT                    }, // wxCURSOR_WAIT
-        {  true, IDC_WAIT                    }, // wxCURSOR_WATCH
-        { false, _T("wxCURSOR_BLANK")        }, // wxCURSOR_BLANK
+        { false, _T("WXCURSOR_RIGHT_ARROW")  }, // wxCURSOR_RIGHT_ARROW
+        { false, _T("WXCURSOR_BULLSEYE")     }, // wxCURSOR_BULLSEYE
+        {  true, IDC_ARROW                   }, // WXCURSOR_CHAR
+
+        // Displays as an I-beam on XP, so use a cursor file
+//        {  true, IDC_CROSS                   }, // WXCURSOR_CROSS
+        {  false, _T("WXCURSOR_CROSS")       }, // WXCURSOR_CROSS
+
+        // See special handling below for wxCURSOR_HAND
+//        { false, _T("WXCURSOR_HAND")         }, // wxCURSOR_HAND
+        {  true, IDC_HAND                    }, // wxCURSOR_HAND
+
+        {  true, IDC_IBEAM                   }, // WXCURSOR_IBEAM
+        {  true, IDC_ARROW                   }, // WXCURSOR_LEFT_BUTTON
+        { false, _T("WXCURSOR_MAGNIFIER")    }, // wxCURSOR_MAGNIFIER
+        {  true, IDC_ARROW                   }, // WXCURSOR_MIDDLE_BUTTON
+        {  true, IDC_NO                      }, // WXCURSOR_NO_ENTRY
+        { false, _T("WXCURSOR_PBRUSH")       }, // wxCURSOR_PAINT_BRUSH
+        { false, _T("WXCURSOR_PENCIL")       }, // wxCURSOR_PENCIL
+        { false, _T("WXCURSOR_PLEFT")        }, // wxCURSOR_POINT_LEFT
+        { false, _T("WXCURSOR_PRIGHT")       }, // wxCURSOR_POINT_RIGHT
+        {  true, IDC_HELP                    }, // WXCURSOR_QUESTION_ARROW
+        {  true, IDC_ARROW                   }, // WXCURSOR_RIGHT_BUTTON
+        {  true, IDC_SIZENESW                }, // WXCURSOR_SIZENESW
+        {  true, IDC_SIZENS                  }, // WXCURSOR_SIZENS
+        {  true, IDC_SIZENWSE                }, // WXCURSOR_SIZENWSE
+        {  true, IDC_SIZEWE                  }, // WXCURSOR_SIZEWE
+        {  true, IDC_SIZEALL                 }, // WXCURSOR_SIZING
+        { false, _T("WXCURSOR_PBRUSH")       }, // wxCURSOR_SPRAYCAN
+        {  true, IDC_WAIT                    }, // WXCURSOR_WAIT
+        {  true, IDC_WAIT                    }, // WXCURSOR_WATCH
+        { false, _T("WXCURSOR_BLANK")        }, // wxCURSOR_BLANK

         {  true, IDC_APPSTARTING             }, // wxCURSOR_ARROWWAIT
 
         // no entry for wxCURSOR_MAX
         {  true, IDC_APPSTARTING             }, // wxCURSOR_ARROWWAIT
 
         // no entry for wxCURSOR_MAX


@@ -324,17 +350,25 @@ wxCursor::wxCursor(int idCursor)
                  _T("invalid cursor id in wxCursor() ctor") );
 
     const StdCursor& stdCursor = stdCursors[idCursor];
                  _T("invalid cursor id in wxCursor() ctor") );
 
     const StdCursor& stdCursor = stdCursors[idCursor];

+    bool deleteLater = !stdCursor.isStd;

 
     HCURSOR hcursor = ::LoadCursor(stdCursor.isStd ? NULL : wxGetInstance(),
                                    stdCursor.name);
 
 
     HCURSOR hcursor = ::LoadCursor(stdCursor.isStd ? NULL : wxGetInstance(),
                                    stdCursor.name);
 

+    // IDC_HAND may not be available on some versions of Windows.
+    if ( !hcursor && idCursor == wxCURSOR_HAND)
+    {
+        hcursor = ::LoadCursor(wxGetInstance(), _T("WXCURSOR_HAND"));
+        deleteLater = true;
+    }
+

     if ( !hcursor )
     {
         wxLogLastError(_T("LoadCursor"));
     }
     else
     {
     if ( !hcursor )
     {
         wxLogLastError(_T("LoadCursor"));
     }
     else
     {

-        m_refData = new wxCursorRefData(hcursor);
+        m_refData = new wxCursorRefData(hcursor, deleteLater);

     }
 }
 
     }
 }
 


@@ -348,16 +382,6 @@ wxCursor::~wxCursor()
 // other wxCursor functions
 // ----------------------------------------------------------------------------
 
 // other wxCursor functions
 // ----------------------------------------------------------------------------
 

-bool wxCursor::operator==(const wxCursor& cursor) const
-{
-    if ( !m_refData )
-        return !cursor.m_refData;
-
-    return cursor.m_refData &&
-                ((wxCursorRefData *)m_refData)->m_hCursor ==
-                ((wxCursorRefData *)cursor.m_refData)->m_hCursor;
-}
-

 wxGDIImageRefData *wxCursor::CreateData() const
 {
     return new wxCursorRefData;
 wxGDIImageRefData *wxCursor::CreateData() const
 {
     return new wxCursorRefData;


@@ -382,5 +406,3 @@ void wxSetCursor(const wxCursor& cursor)
             *gs_globalCursor = cursor;
     }
 }
             *gs_globalCursor = cursor;
     }
 }

-
-