X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/7eff657c071f9df1938edb2d1b530492ccfc9489..ce22ac4592fccaedd8324e7a8f08b510748827e4:/src/gtk/cursor.cpp?ds=sidebyside

diff --git a/src/gtk/cursor.cpp b/src/gtk/cursor.cpp
index ab0d7294a2..a175daaa6e 100644
--- a/src/gtk/cursor.cpp
+++ b/src/gtk/cursor.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        cursor.cpp
+// Name:        src/gtk/cursor.cpp
 // Purpose:
 // Author:      Robert Roebling
 // Id:          $Id$
@@ -7,24 +7,19 @@
 // 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/utils.h"
-#include "wx/app.h"
-
-#include <gdk/gdk.h>
-#include <gtk/gtk.h>
 
-//-----------------------------------------------------------------------------
-// idle system
-//-----------------------------------------------------------------------------
+#ifndef WX_PRECOMP
+    #include "wx/app.h"
+    #include "wx/utils.h"
+    #include "wx/image.h"
+    #include "wx/colour.h"
+#endif // WX_PRECOMP
 
-extern void wxapp_install_idle_handler();
-extern bool g_isIdle;
+#include "wx/gtk/private.h" //for idle stuff
 
 //-----------------------------------------------------------------------------
 // wxCursor
@@ -35,7 +30,7 @@ class wxCursorRefData: public wxObjectRefData
   public:
 
     wxCursorRefData();
-    ~wxCursorRefData();
+    virtual ~wxCursorRefData();
 
     GdkCursor *m_cursor;
 };
@@ -47,7 +42,7 @@ wxCursorRefData::wxCursorRefData()
 
 wxCursorRefData::~wxCursorRefData()
 {
-    if (m_cursor) gdk_cursor_destroy( m_cursor );
+    if (m_cursor) gdk_cursor_unref( m_cursor );
 }
 
 //-----------------------------------------------------------------------------
@@ -68,7 +63,23 @@ wxCursor::wxCursor( int cursorId )
     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_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;
@@ -76,7 +87,7 @@ wxCursor::wxCursor( int cursorId )
         case wxCURSOR_ARROWWAIT:
         case wxCURSOR_WAIT:
         case wxCURSOR_WATCH:            gdk_cur = GDK_WATCH; break;
-        case wxCURSOR_SIZING:           gdk_cur = GDK_SIZING; break;
+        case wxCURSOR_SIZING:           gdk_cur = GDK_FLEUR; break;
         case wxCURSOR_SPRAYCAN:         gdk_cur = GDK_SPRAYCAN; break;
         case wxCURSOR_IBEAM:            gdk_cur = GDK_XTERM; break;
         case wxCURSOR_PENCIL:           gdk_cur = GDK_PENCIL; break;
@@ -100,11 +111,10 @@ 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;
 */
+
         default:
             wxFAIL_MSG(wxT("unsupported cursor type"));
             // will use the standard one
-
-        case wxCURSOR_ARROW:
             break;
     }
 
@@ -115,7 +125,7 @@ extern GtkWidget *wxGetRootWindow();
 
 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;
@@ -136,164 +146,168 @@ wxCursor::wxCursor(const char bits[], int width, int  height,
                  data, mask, fg->GetColor(), bg->GetColor(),
                  hotSpotX, hotSpotY );
 
-    gdk_bitmap_unref( data );
-    gdk_bitmap_unref( mask );
-}
-
-
-wxCursor::wxCursor( const wxCursor &cursor )
-{
-    Ref( cursor );
+    g_object_unref (data);
+    g_object_unref (mask);
 }
 
 #if wxUSE_IMAGE
+
 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;
 
-    unsigned char r, g, b ;
     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++)
-        {
+    {
         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)
-        {
-        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++)
         {
-        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++)
-            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();
-    wxHashTable hTable;
+            maskBits[i] = 0xFF;
 
-    //colors as rrggbb
-    unsigned long key;
-    unsigned long keyMaskColor = 0;
-    if (bHasMask) keyMaskColor = (r << 16) | (g << 8) | b;
+        // init it to avoid compiler warnings
+        keyMaskColor = 0;
+    }
 
-    tmpImage.ComputeHistogram( hTable );
+    // find the most frequent color(s)
+    wxImageHistogram histogram;
+    image.ComputeHistogram(histogram);
 
-    long MostFreqCol = 0 ; long nMost = 0;
-    long NextFreqCol = 0 ; long nNext = 0;
-    long value ;
-    hTable.BeginFind();
-    wxNode *node = NULL;
-    while ((node = hTable.Next()) != NULL)
+    // colors as rrggbb
+    unsigned long key;
+    unsigned long value;
+
+    long colMostFreq = 0;
+    unsigned long nMost = 0;
+    long colNextMostFreq = 0;
+    unsigned long nNext = 0;
+    for ( wxImageHistogram::iterator entry = histogram.begin();
+          entry != histogram.end();
+          ++entry )
     {
-        wxHNode *hnode = (wxHNode*) node->GetData();
-        value = hnode->value;
-        key = node->GetKeyInteger() ;
-        if (!bHasMask || (key != keyMaskColor) )
+        value = entry->second.value;
+        key = entry->first;
+        if ( !bHasMask || (key != keyMaskColor) )
         {
-        if (value > nMost)
+            if (value > nMost)
             {
-            nMost = value;
-            MostFreqCol = key;
+                nMost = value;
+                colMostFreq = key;
             }
-        else
-            if (value > nNext)
+            else if (value > nNext)
             {
-            nNext = value ;
-            NextFreqCol = key;
+                nNext = value;
+                colNextMostFreq = key;
             }
         }
     }
 
+    wxColour fg = wxColour ( (unsigned char)(colMostFreq >> 16),
+                             (unsigned char)(colMostFreq >> 8),
+                             (unsigned char)(colMostFreq) );
+
+    wxColour bg = wxColour ( (unsigned char)(colNextMostFreq >> 16),
+                             (unsigned char)(colNextMostFreq >> 8),
+                             (unsigned char)(colNextMostFreq) );
 
-    wxColour fg = wxColour ( (unsigned char)(MostFreqCol >> 16),
-                             (unsigned char)(MostFreqCol >> 8),
-                             (unsigned char)(MostFreqCol) ) ;
+    int fg_intensity = fg.Red() + fg.Green() + fg.Blue();
+    int bg_intensity = bg.Red() + bg.Green() + bg.Blue();
 
-    wxColour bg = wxColour ( (unsigned char)(NextFreqCol >> 16),
-                             (unsigned char)(NextFreqCol >> 8),
-                             (unsigned char)(NextFreqCol) ) ;
+    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;
+        hotSpotX = 0;
     if (hotSpotY < 0 || hotSpotY >= h)
-            hotSpotY = 0;
+        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_CURSORDATA->m_cursor = gdk_cursor_new_from_pixmap(
-        data, mask, fg.GetColor(), bg.GetColor(),
-        hotSpotX, hotSpotY );
-
-    gdk_bitmap_unref( data );
-    gdk_bitmap_unref( mask );
-    delete [] bits ;
+    M_CURSORDATA->m_cursor = gdk_cursor_new_from_pixmap
+                             (
+                                data,
+                                mask,
+                                fg.GetColor(), bg.GetColor(),
+                                hotSpotX, hotSpotY
+                             );
+
+    g_object_unref (data);
+    g_object_unref (mask);
+    delete [] bits;
     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
@@ -344,10 +358,10 @@ void wxEndBusyCursor()
     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;
@@ -360,8 +374,8 @@ void wxBeginBusyCursor( wxCursor *WXUNUSED(cursor) )
     wxSetCursor( wxCursor(wxCURSOR_WATCH) );
 
     if (wxTheApp)
-        wxTheApp->SendIdleEvents();
-        
+        wxTheApp->ProcessIdle();
+
     gdk_flush();
 }