document On{Open,Save}Document()

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

diff --git a/src/gtk/cursor.cpp b/src/gtk/cursor.cpp
index 265b98cd3b6f8266afc66e914a18d6c7ab71eaf0..63a0340630007c2e79928c0fc44a74566a7b4f7b 100644 (file)
--- a/src/gtk/cursor.cpp
+++ b/src/gtk/cursor.cpp
@@ -17,6 +17,7 @@
     #include "wx/utils.h"
     #include "wx/image.h"
     #include "wx/colour.h"
     #include "wx/utils.h"
     #include "wx/image.h"
     #include "wx/colour.h"

+    #include "wx/bitmap.h"

 #endif // WX_PRECOMP
 
 #include <gtk/gtk.h>
 #endif // WX_PRECOMP
 
 #include <gtk/gtk.h>


@@ -25,13 +26,14 @@
 // wxCursor
 //-----------------------------------------------------------------------------
 
 // wxCursor
 //-----------------------------------------------------------------------------
 

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

 {
 {

-  public:
-
+public:

     wxCursorRefData();
     virtual ~wxCursorRefData();
 
     wxCursorRefData();
     virtual ~wxCursorRefData();
 

+    virtual bool IsOk() const { return m_cursor != NULL; }
+

     GdkCursor *m_cursor;
 };
 
     GdkCursor *m_cursor;
 };
 


@@ -47,13 +49,12 @@ wxCursorRefData::~wxCursorRefData()
 
 //-----------------------------------------------------------------------------
 
 
 //-----------------------------------------------------------------------------
 

-#define M_CURSORDATA ((wxCursorRefData *)m_refData)
+#define M_CURSORDATA wx_static_cast(wxCursorRefData*, m_refData)

 
 

-IMPLEMENT_DYNAMIC_CLASS(wxCursor,wxObject)
+IMPLEMENT_DYNAMIC_CLASS(wxCursor, wxGDIObject)

 
 wxCursor::wxCursor()
 {
 
 wxCursor::wxCursor()
 {

-

 }
 
 wxCursor::wxCursor( int cursorId )
 }
 
 wxCursor::wxCursor( int cursorId )


@@ -65,8 +66,8 @@ wxCursor::wxCursor( int cursorId )
     {
         case wxCURSOR_BLANK:
             {
     {
         case wxCURSOR_BLANK:
             {

-                static const gchar bits[] = { 0 };
-                static /* const -- not in GTK1 */ GdkColor color = { 0, 0, 0, 0 };
+                const char bits[] = { 0 };
+                const 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,
 
                 GdkPixmap *pixmap = gdk_bitmap_create_from_data(NULL, bits, 1, 1);
                 M_CURSORDATA->m_cursor = gdk_cursor_new_from_pixmap(pixmap,


@@ -74,13 +75,14 @@ wxCursor::wxCursor( int cursorId )
                                                                     &color,
                                                                     &color,
                                                                     0, 0);
                                                                     &color,
                                                                     &color,
                                                                     0, 0);

+                g_object_unref(pixmap);

             }
             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;
             }
             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_HAND:             gdk_cur = GDK_HAND2; break;

         case wxCURSOR_CROSS:            gdk_cur = GDK_CROSSHAIR; break;
         case wxCURSOR_SIZEWE:           gdk_cur = GDK_SB_H_DOUBLE_ARROW; break;
         case wxCURSOR_SIZENS:           gdk_cur = GDK_SB_V_DOUBLE_ARROW; break;
         case wxCURSOR_CROSS:            gdk_cur = GDK_CROSSHAIR; break;
         case wxCURSOR_SIZEWE:           gdk_cur = GDK_SB_H_DOUBLE_ARROW; break;
         case wxCURSOR_SIZENS:           gdk_cur = GDK_SB_V_DOUBLE_ARROW; break;


@@ -172,121 +174,78 @@ static void GetHotSpot(const wxImage& image, int& x, int& y)
 
 wxCursor::wxCursor( const wxImage & 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;
+    int hotSpotX, hotSpotY;
+    GetHotSpot(image, hotSpotX, hotSpotY);
+    m_refData = new wxCursorRefData;
+    wxImage image_copy(image);

 
 

-    if ( gdk_display_supports_cursor_color(gdk_display_get_default()) )
+    GdkDisplay* display = gdk_drawable_get_display(wxGetRootWindow()->window);
+    if (gdk_display_supports_cursor_color(display))

     {
     {

-        unsigned char rMask = 0,
-                      gMask = 0,
-                      bMask = 0;
-        if (bHasMask)
+        if (!image.HasAlpha())

         {
         {

-            rMask = image.GetMaskRed();
-            gMask = image.GetMaskGreen();
-            bMask = image.GetMaskBlue();
-        }
-
-        GdkPixbuf *pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, true, 8, w, h);
-        unsigned char *alpha = image.HasAlpha() ? image.GetAlpha() : NULL;
-        unsigned char *out = gdk_pixbuf_get_pixels(pixbuf);
-        int rowpad = gdk_pixbuf_get_rowstride(pixbuf) - 4 * w;
-        for ( int y = 0; y < h; y++, out += rowpad )
-        {
-            for ( int x = 0; x < w; x++, out += 4, rgbBits += 3 )
-            {
-                out[0] = rgbBits[0];
-                out[1] = rgbBits[1];
-                out[2] = rgbBits[2];
-                if (bHasMask &&
-                    out[0] == rMask && out[1] == gMask && out[2] == bMask)
-                    out[3] = 0;
-                else
-                    out[3] = alpha ? *alpha : 255;
-                if ( alpha )
-                    ++alpha;
-            }
+            // add alpha, so wxBitmap will convert to pixbuf format
+            image_copy.InitAlpha();

         }
         }

-
-        int hotSpotX, hotSpotY;
-        GetHotSpot(image, hotSpotX, hotSpotY);
-
-        m_refData = new wxCursorRefData;
+        wxBitmap bitmap(image_copy);
+        wxASSERT(bitmap.HasPixbuf());

         M_CURSORDATA->m_cursor = gdk_cursor_new_from_pixbuf
                              (
         M_CURSORDATA->m_cursor = gdk_cursor_new_from_pixbuf
                              (

-                              gdk_display_get_default(),
-                              pixbuf,
+                              display,
+                              bitmap.GetPixbuf(),

                               hotSpotX, hotSpotY
                              );
                               hotSpotX, hotSpotY
                              );

-        g_object_unref (pixbuf);

         return;
     }
 
         return;
     }
 

-    unsigned char * bits = new unsigned char [imagebitcount];
-    unsigned char * maskBits = new unsigned char [imagebitcount];
-
-    int i, j, i8; unsigned char c, cMask;
-    for (i=0; i<imagebitcount; i++)
+    unsigned long keyMaskColor = 0;
+    GdkPixmap* mask;
+    if (bHasMask)

     {
     {

-        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;
-        }
+        keyMaskColor = wxImageHistogram::MakeKey(
+            image.GetMaskRed(), image.GetMaskGreen(), image.GetMaskBlue());
+        // get mask before image is modified
+        wxBitmap bitmap(image, 1);
+        mask = bitmap.GetMask()->GetBitmap();
+        g_object_ref(mask);

     }
     }

-
-    unsigned long keyMaskColor;
-    if (bHasMask)
+    else

     {
     {

-        unsigned char
-            r = image.GetMaskRed(),
-            g = image.GetMaskGreen(),
-            b = image.GetMaskBlue();
+        const int size = ((w + 7) / 8) * h;
+        char* bits = new char[size];
+        memset(bits, 0xff, size);
+        mask = gdk_bitmap_create_from_data(
+            wxGetRootWindow()->window, bits, w, h);
+        delete[] bits;
+    }

 
 

-        for (i=0; i<imagebitcount; i++)
+    // modify image so wxBitmap can be used to convert to pixmap
+    image_copy.SetMask(false);
+    int i, j;
+    wxByte* data = image_copy.GetData();
+    for (j = 0; j < h; j++)
+    {
+        for (i = 0; i < w; i++, data += 3)

         {
         {

-            maskBits[i] = 0x0;
-            i8 = i * 8;
-
-            cMask = 1;
-            for (j=0; j<8; j++)
+            //if average value is > mid grey
+            if (int(data[0]) + data[1] + data[2] >= 3 * 128)

             {
             {

-                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;
+                // wxBitmap only converts (255,255,255) to white
+                data[0] = 255;
+                data[1] = 255;
+                data[2] = 255;

             }
         }
             }
         }

-
-        keyMaskColor = (r << 16) | (g << 8) | b;
-    }
-    else // no mask
-    {
-        for (i=0; i<imagebitcount; i++)
-            maskBits[i] = 0xFF;
-
-        // init it to avoid compiler warnings
-        keyMaskColor = 0;

     }
     }

+    wxBitmap bitmap(image_copy, 1);

 
     // find the most frequent color(s)
     wxImageHistogram histogram;
     image.ComputeHistogram(histogram);
 
 
     // find the most frequent color(s)
     wxImageHistogram histogram;
     image.ComputeHistogram(histogram);
 

-    // colors as rrggbb
-    unsigned long key;
-    unsigned long value;
-

     long colMostFreq = 0;
     unsigned long nMost = 0;
     long colNextMostFreq = 0;
     long colMostFreq = 0;
     unsigned long nMost = 0;
     long colNextMostFreq = 0;


@@ -295,12 +254,14 @@ wxCursor::wxCursor( const wxImage & image )
           entry != histogram.end();
           ++entry )
     {
           entry != histogram.end();
           ++entry )
     {

-        value = entry->second.value;
-        key = entry->first;
+        unsigned long key = entry->first;

         if ( !bHasMask || (key != keyMaskColor) )
         {
         if ( !bHasMask || (key != keyMaskColor) )
         {

+            unsigned long value = entry->second.value;

             if (value > nMost)
             {
             if (value > nMost)
             {

+                nNext = nMost;
+                colNextMostFreq = colMostFreq;

                 nMost = value;
                 colMostFreq = key;
             }
                 nMost = value;
                 colMostFreq = key;
             }


@@ -331,27 +292,15 @@ wxCursor::wxCursor( const wxImage & image )
         bg = tmp;
     }
 
         bg = tmp;
     }
 

-    int hotSpotX, hotSpotY;
-    GetHotSpot(image, hotSpotX, hotSpotY);
-
-    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
                              (
     M_CURSORDATA->m_cursor = gdk_cursor_new_from_pixmap
                              (

-                                data,
+                                bitmap.GetPixmap(),

                                 mask,
                                 fg.GetColor(), bg.GetColor(),
                                 hotSpotX, hotSpotY
                              );
 
                                 mask,
                                 fg.GetColor(), bg.GetColor(),
                                 hotSpotX, hotSpotY
                              );
 

-    g_object_unref (data);

     g_object_unref (mask);
     g_object_unref (mask);

-    delete [] bits;
-    delete [] maskBits;

 }
 
 #endif // wxUSE_IMAGE
 }
 
 #endif // wxUSE_IMAGE


@@ -360,14 +309,19 @@ wxCursor::~wxCursor()
 {
 }
 
 {
 }
 

-bool wxCursor::IsOk() const
+GdkCursor *wxCursor::GetCursor() const

 {
 {

-    return (m_refData != NULL);
+    return M_CURSORDATA->m_cursor;

 }
 
 }
 

-GdkCursor *wxCursor::GetCursor() const
+wxGDIRefData *wxCursor::CreateGDIRefData() const

 {
 {

-    return M_CURSORDATA->m_cursor;
+    return new wxCursorRefData;
+}
+
+wxGDIRefData *wxCursor::CloneGDIRefData(const wxGDIRefData *data) const
+{
+    return new wxCursorRefData(*wx_static_cast(const wxCursorRefData *, data));

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