Fix minor typo in wxDV_VERT_RULES documentation.

[wxWidgets.git] / src / gtk1 / cursor.cpp

diff --git a/src/gtk1/cursor.cpp b/src/gtk1/cursor.cpp
index adf882b13352c550475270b61ad803b36a2b81a7..b3e56ef837faa34edf977a4c29c987c257e0ca84 100644 (file)
--- a/src/gtk1/cursor.cpp
+++ b/src/gtk1/cursor.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        cursor.cpp
+// Name:        src/gtk1/cursor.cpp

 // Purpose:
 // Author:      Robert Roebling
 // Id:          $Id$
 // Purpose:
 // Author:      Robert Roebling
 // Id:          $Id$


@@ -7,14 +7,15 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 

-
-#ifdef __GNUG__
-#pragma implementation "cursor.h"
-#endif
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"

 
 #include "wx/cursor.h"
 
 #include "wx/cursor.h"

-#include "wx/utils.h"
-#include "wx/app.h"
+
+#ifndef WX_PRECOMP
+    #include "wx/app.h"
+    #include "wx/utils.h"
+#endif // WX_PRECOMP

 
 #include <gdk/gdk.h>
 #include <gtk/gtk.h>
 
 #include <gdk/gdk.h>
 #include <gtk/gtk.h>


@@ -30,19 +31,23 @@ extern bool g_isIdle;
 // wxCursor
 //-----------------------------------------------------------------------------
 
 // wxCursor
 //-----------------------------------------------------------------------------
 

-class wxCursorRefData: public wxObjectRefData
+class wxCursorRefData : public wxGDIRefData

 {
 {

-  public:
-
+public:

     wxCursorRefData();
     wxCursorRefData();

-    ~wxCursorRefData();
+    virtual ~wxCursorRefData();

 
     GdkCursor *m_cursor;
 
     GdkCursor *m_cursor;

+
+private:
+    // There is no way to copy m_cursor so we can't implement a copy ctor
+    // properly.
+    wxDECLARE_NO_COPY_CLASS(wxCursorRefData);

 };
 
 wxCursorRefData::wxCursorRefData()
 {
 };
 
 wxCursorRefData::wxCursorRefData()
 {

-    m_cursor = (GdkCursor *) NULL;
+    m_cursor = NULL;

 }
 
 wxCursorRefData::~wxCursorRefData()
 }
 
 wxCursorRefData::~wxCursorRefData()


@@ -61,14 +66,30 @@ wxCursor::wxCursor()
 
 }
 
 
 }
 

-wxCursor::wxCursor( int cursorId )
+void wxCursor::InitFromStock( wxStockCursor cursorId )

 {
     m_refData = new wxCursorRefData();
 
     GdkCursorType gdk_cur = GDK_LEFT_PTR;
     switch (cursorId)
     {
 {
     m_refData = new wxCursorRefData();
 
     GdkCursorType gdk_cur = GDK_LEFT_PTR;
     switch (cursorId)
     {

+        case wxCURSOR_BLANK:
+            {
+                static const gchar bits[] = { 0 };
+                static /* const -- not in GTK1 */ GdkColor color = { 0, 0, 0, 0 };
+
+                GdkPixmap *pixmap = gdk_bitmap_create_from_data(NULL, bits, 1, 1);
+                M_CURSORDATA->m_cursor = gdk_cursor_new_from_pixmap(pixmap,
+                                                                    pixmap,
+                                                                    &color,
+                                                                    &color,
+                                                                    0, 0);
+            }
+            return;
+
+        case wxCURSOR_ARROW:            // fall through to default

         case wxCURSOR_DEFAULT:          gdk_cur = GDK_LEFT_PTR; break;
         case wxCURSOR_DEFAULT:          gdk_cur = GDK_LEFT_PTR; break;

+        case wxCURSOR_RIGHT_ARROW:      gdk_cur = GDK_RIGHT_PTR; break;

         case wxCURSOR_HAND:             gdk_cur = GDK_HAND1; break;
         case wxCURSOR_CROSS:            gdk_cur = GDK_CROSSHAIR; break;
         case wxCURSOR_SIZEWE:           gdk_cur = GDK_SB_H_DOUBLE_ARROW; break;
         case wxCURSOR_HAND:             gdk_cur = GDK_HAND1; break;
         case wxCURSOR_CROSS:            gdk_cur = GDK_CROSSHAIR; break;
         case wxCURSOR_SIZEWE:           gdk_cur = GDK_SB_H_DOUBLE_ARROW; break;


@@ -100,11 +121,10 @@ wxCursor::wxCursor( int cursorId )
         case wxCURSOR_BASED_ARROW_UP:   gdk_cur = GDK_BASED_ARROW_UP; break;
         case wxCURSOR_BASED_ARROW_DOWN: gdk_cur = GDK_BASED_ARROW_DOWN; break;
 */
         case wxCURSOR_BASED_ARROW_UP:   gdk_cur = GDK_BASED_ARROW_UP; break;
         case wxCURSOR_BASED_ARROW_DOWN: gdk_cur = GDK_BASED_ARROW_DOWN; break;
 */

+

         default:
             wxFAIL_MSG(wxT("unsupported cursor type"));
             // will use the standard one
         default:
             wxFAIL_MSG(wxT("unsupported cursor type"));
             // will use the standard one

-
-        case wxCURSOR_ARROW:

             break;
     }
 
             break;
     }
 


@@ -115,7 +135,7 @@ extern GtkWidget *wxGetRootWindow();
 
 wxCursor::wxCursor(const char bits[], int width, int  height,
                    int hotSpotX, int hotSpotY,
 
 wxCursor::wxCursor(const char bits[], int width, int  height,
                    int hotSpotX, int hotSpotY,

-                   const char maskBits[], wxColour *fg, wxColour *bg)
+                   const char maskBits[], const wxColour *fg, const wxColour *bg)

 {
     if (!maskBits)
         maskBits = bits;
 {
     if (!maskBits)
         maskBits = bits;


@@ -140,89 +160,85 @@ wxCursor::wxCursor(const char bits[], int width, int  height,
     gdk_bitmap_unref( mask );
 }
 
     gdk_bitmap_unref( mask );
 }
 

-
-wxCursor::wxCursor( const wxCursor &cursor )
-{
-    Ref( cursor );
-}
-

 #if wxUSE_IMAGE
 #if wxUSE_IMAGE

+

 wxCursor::wxCursor( const wxImage & image )
 {
     unsigned char * rgbBits = image.GetData();
 wxCursor::wxCursor( const wxImage & image )
 {
     unsigned char * rgbBits = image.GetData();

-    int w = image.GetWidth()  ;
-    int h = image.GetHeight() ;
-    bool bHasMask = image.HasMask() ;
+    int w = image.GetWidth() ;
+    int h = image.GetHeight();
+    bool bHasMask = image.HasMask();

     int imagebitcount = (w*h)/8;
 
     int imagebitcount = (w*h)/8;
 

-    unsigned char r, g, b ;

     unsigned char * bits = new unsigned char [imagebitcount];
     unsigned char * maskBits = new unsigned char [imagebitcount];
 
     unsigned char * bits = new unsigned char [imagebitcount];
     unsigned char * maskBits = new unsigned char [imagebitcount];
 

-    int i,j, i8; unsigned char c, cMask;
+    int i, j, i8; unsigned char c, cMask;

     for (i=0; i<imagebitcount; i++)
     for (i=0; i<imagebitcount; i++)

-        {
+    {

         bits[i] = 0;
         i8 = i * 8;
 
         cMask = 1;
         for (j=0; j<8; j++)
         bits[i] = 0;
         i8 = i * 8;
 
         cMask = 1;
         for (j=0; j<8; j++)

-           {
-           // possible overflow if we do the summation first ?
-           c = rgbBits[(i8+j)*3]/3 + rgbBits[(i8+j)*3+1]/3 + rgbBits[(i8+j)*3+2]/3 ;
-           //if average value is > mid grey
-           if (c>127)
-              bits[i] = bits[i] | cMask ;
-           cMask = cMask * 2 ;
-           }
+        {
+            // possible overflow if we do the summation first ?
+            c = rgbBits[(i8+j)*3]/3 + rgbBits[(i8+j)*3+1]/3 + rgbBits[(i8+j)*3+2]/3;
+            //if average value is > mid grey
+            if (c>127)
+                bits[i] = bits[i] | cMask;
+            cMask = cMask * 2;

         }
         }

+    }
+
+    unsigned long keyMaskColor;

     if (bHasMask)
     if (bHasMask)

-        {
-        r = image.GetMaskRed() ;
-        g = image.GetMaskGreen() ;
-        b = image.GetMaskBlue() ;
+    {
+        unsigned char
+            r = image.GetMaskRed(),
+            g = image.GetMaskGreen(),
+            b = image.GetMaskBlue();

 
         for (i=0; i<imagebitcount; i++)
         {
 
         for (i=0; i<imagebitcount; i++)
         {

-        maskBits[i] = 0x0;
-        i8 = i * 8;
+            maskBits[i] = 0x0;
+            i8 = i * 8;

 
 

-        cMask = 1;
-        for (j=0; j<8; j++)
-           {
-           if (rgbBits[(i8+j)*3] != r || rgbBits[(i8+j)*3+1] != g || rgbBits[(i8+j)*3+2] != b)
-              maskBits[i] = maskBits[i] | cMask ;
-           cMask = cMask * 2 ;
-           }
-        }
+            cMask = 1;
+            for (j=0; j<8; j++)
+            {
+                if (rgbBits[(i8+j)*3] != r || rgbBits[(i8+j)*3+1] != g || rgbBits[(i8+j)*3+2] != b)
+                    maskBits[i] = maskBits[i] | cMask;
+                cMask = cMask * 2;
+            }

         }
         }

-      else
-        {
+
+        keyMaskColor = (r << 16) | (g << 8) | b;
+    }
+    else // no mask
+    {

         for (i=0; i<imagebitcount; i++)
         for (i=0; i<imagebitcount; i++)

-            maskBits[i]= 0xFF ;
-        }
-    //find the most frequent color(s)
-    //it seems a waste of effort to copy the image
-    //but otherwise we need to remove the const modifier ??
-    wxImage tmpImage = image.Copy();
+            maskBits[i] = 0xFF;
+
+        // init it to avoid compiler warnings
+        keyMaskColor = 0;
+    }
+
+    // find the most frequent color(s)

     wxImageHistogram histogram;
     wxImageHistogram histogram;

+    image.ComputeHistogram(histogram);

 
 

-    //colors as rrggbb
+    // colors as rrggbb

     unsigned long key;
     unsigned long value;
     unsigned long key;
     unsigned long value;

-    unsigned long keyMaskColor = 0;
-    if (bHasMask) 
-        keyMaskColor = (r << 16) | (g << 8) | b;

 
 

-    tmpImage.ComputeHistogram(histogram);
-
-    long MostFreqCol = 0;
+    long colMostFreq = 0;

     unsigned long nMost = 0;
     unsigned long nMost = 0;

-    long NextFreqCol = 0;
+    long colNextMostFreq = 0;

     unsigned long nNext = 0;
     unsigned long nNext = 0;

-    wxImageHistogram::iterator entry = histogram.begin();
-
-    while ( entry != histogram.end() )
+    for ( wxImageHistogram::iterator entry = histogram.begin();
+          entry != histogram.end();
+          ++entry )

     {
         value = entry->second.value;
         key = entry->first;
     {
         value = entry->second.value;
         key = entry->first;


@@ -231,86 +247,95 @@ wxCursor::wxCursor( const wxImage & image )
             if (value > nMost)
             {
                 nMost = value;
             if (value > nMost)
             {
                 nMost = value;

-                MostFreqCol = key;
+                colMostFreq = key;

             }
             else if (value > nNext)
             {
                 nNext = value;
             }
             else if (value > nNext)
             {
                 nNext = value;

-                NextFreqCol = key;
+                colNextMostFreq = key;

             }
         }
     }
 
             }
         }
     }
 

-    wxColour fg = wxColour ( (unsigned char)(MostFreqCol >> 16),
-                             (unsigned char)(MostFreqCol >> 8),
-                             (unsigned char)(MostFreqCol) ) ;
+    wxColour fg = wxColour ( (unsigned char)(colMostFreq >> 16),
+                             (unsigned char)(colMostFreq >> 8),
+                             (unsigned char)(colMostFreq) );

 
 

-    wxColour bg = wxColour ( (unsigned char)(NextFreqCol >> 16),
-                             (unsigned char)(NextFreqCol >> 8),
-                             (unsigned char)(NextFreqCol) ) ;
+    wxColour bg = wxColour ( (unsigned char)(colNextMostFreq >> 16),
+                             (unsigned char)(colNextMostFreq >> 8),
+                             (unsigned char)(colNextMostFreq) );
+
+    int fg_intensity = fg.Red() + fg.Green() + fg.Blue();
+    int bg_intensity = bg.Red() + bg.Green() + bg.Blue();
+
+    if (bg_intensity > fg_intensity)
+    {
+        //swap fg and bg
+        wxColour tmp = fg;
+        fg = bg;
+        bg = tmp;
+    }
+
+    int hotSpotX;
+    int hotSpotY;
+
+    if (image.HasOption(wxIMAGE_OPTION_CUR_HOTSPOT_X))
+        hotSpotX = image.GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_X);
+    else
+        hotSpotX = 0;

 
 

-    int hotSpotX=0; 
-    int hotSpotY=0;
+    if (image.HasOption(wxIMAGE_OPTION_CUR_HOTSPOT_Y))
+        hotSpotY = image.GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_Y);
+    else
+        hotSpotY = 0;

 
 

-    if (image.HasOption(wxCUR_HOTSPOT_X))
-        hotSpotX = image.GetOptionInt(wxCUR_HOTSPOT_X);
-    if (image.HasOption(wxCUR_HOTSPOT_Y))
-        hotSpotY = image.GetOptionInt(wxCUR_HOTSPOT_Y);
-   

     if (hotSpotX < 0 || hotSpotX >= w)
         hotSpotX = 0;
     if (hotSpotY < 0 || hotSpotY >= h)
         hotSpotY = 0;
 
     if (hotSpotX < 0 || hotSpotX >= w)
         hotSpotX = 0;
     if (hotSpotY < 0 || hotSpotY >= h)
         hotSpotY = 0;
 

-    GdkBitmap *data = gdk_bitmap_create_from_data( wxGetRootWindow()->window, (gchar *) bits,
-        w, h );
-    GdkBitmap *mask = gdk_bitmap_create_from_data( wxGetRootWindow()->window, (gchar *) maskBits,
-        w, h );
+    GdkBitmap *data = gdk_bitmap_create_from_data(wxGetRootWindow()->window,
+                                                  (gchar *) bits, w, h);
+    GdkBitmap *mask = gdk_bitmap_create_from_data(wxGetRootWindow()->window,
+                                                  (gchar *) maskBits, w, h);

 
     m_refData = new wxCursorRefData;
 
     m_refData = new wxCursorRefData;

-    M_CURSORDATA->m_cursor = gdk_cursor_new_from_pixmap(
-        data, mask, fg.GetColor(), bg.GetColor(),
-        hotSpotX, hotSpotY );
+    M_CURSORDATA->m_cursor = gdk_cursor_new_from_pixmap
+                             (
+                                data,
+                                mask,
+                                fg.GetColor(), bg.GetColor(),
+                                hotSpotX, hotSpotY
+                             );

 
     gdk_bitmap_unref( data );
     gdk_bitmap_unref( mask );
 
     gdk_bitmap_unref( data );
     gdk_bitmap_unref( mask );

-    delete [] bits ;
+    delete [] bits;

     delete [] maskBits;
 }
     delete [] maskBits;
 }

-#endif

 
 

-wxCursor::~wxCursor()
-{
-}
+#endif // wxUSE_IMAGE

 
 

-wxCursor& wxCursor::operator = ( const wxCursor& cursor )
+wxCursor::~wxCursor()

 {
 {

-    if (*this == cursor)
-        return (*this);
-
-    Ref( cursor );
-
-    return *this;

 }
 
 }
 

-bool wxCursor::operator == ( const wxCursor& cursor ) const
+GdkCursor *wxCursor::GetCursor() const

 {
 {

-    return m_refData == cursor.m_refData;
+    return M_CURSORDATA->m_cursor;

 }
 
 }
 

-bool wxCursor::operator != ( const wxCursor& cursor ) const
+wxGDIRefData *wxCursor::CreateGDIRefData() const

 {
 {

-    return m_refData != cursor.m_refData;
+    return new wxCursorRefData;

 }
 
 }
 

-bool wxCursor::Ok() const
+wxGDIRefData *
+wxCursor::CloneGDIRefData(const wxGDIRefData * WXUNUSED(data)) const

 {
 {

-    return (m_refData != NULL);
-}
+    wxFAIL_MSG( wxS("Cloning cursors is not implemented in wxGTK.") );

 
 

-GdkCursor *wxCursor::GetCursor() const
-{
-    return M_CURSORDATA->m_cursor;
+    return new wxCursorRefData;

 }
 
 //-----------------------------------------------------------------------------
 }
 
 //-----------------------------------------------------------------------------


@@ -341,15 +366,15 @@ void wxEndBusyCursor()
     gs_savedCursor = wxNullCursor;
 
     if (wxTheApp)
     gs_savedCursor = wxNullCursor;
 
     if (wxTheApp)

-        wxTheApp->SendIdleEvents();
+        wxTheApp->ProcessIdle();

 }
 
 }
 

-void wxBeginBusyCursor( wxCursor *WXUNUSED(cursor) )
+void wxBeginBusyCursor( const wxCursor *WXUNUSED(cursor) )

 {
     if (gs_busyCount++ > 0)
         return;
 
 {
     if (gs_busyCount++ > 0)
         return;
 

-    wxASSERT_MSG( !gs_savedCursor.Ok(),
+    wxASSERT_MSG( !gs_savedCursor.IsOk(),

                   wxT("forgot to call wxEndBusyCursor, will leak memory") );
 
     gs_savedCursor = g_globalCursor;
                   wxT("forgot to call wxEndBusyCursor, will leak memory") );
 
     gs_savedCursor = g_globalCursor;


@@ -357,8 +382,8 @@ void wxBeginBusyCursor( wxCursor *WXUNUSED(cursor) )
     wxSetCursor( wxCursor(wxCURSOR_WATCH) );
 
     if (wxTheApp)
     wxSetCursor( wxCursor(wxCURSOR_WATCH) );
 
     if (wxTheApp)

-        wxTheApp->SendIdleEvents();
-        
+        wxTheApp->ProcessIdle();
+

     gdk_flush();
 }
 
     gdk_flush();
 }