overriding to allocate an outer autorelease pool

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

diff --git a/src/gtk/cursor.cpp b/src/gtk/cursor.cpp
index a323e44d694a37aa597b9b6607a154190d9030eb..0dedcab00bc284214fef93b866bb7d4447ef1e1a 100644 (file)
--- a/src/gtk/cursor.cpp
+++ b/src/gtk/cursor.cpp
@@ -1,6 +1,6 @@
 /////////////////////////////////////////////////////////////////////////////
 // Name:        src/gtk/cursor.cpp
 /////////////////////////////////////////////////////////////////////////////
 // Name:        src/gtk/cursor.cpp

-// Purpose:
+// Purpose:     wxCursor implementation

 // Author:      Robert Roebling
 // Id:          $Id$
 // Copyright:   (c) 1998 Robert Roebling
 // Author:      Robert Roebling
 // Id:          $Id$
 // Copyright:   (c) 1998 Robert Roebling


@@ -13,31 +13,33 @@
 #include "wx/cursor.h"
 
 #ifndef WX_PRECOMP
 #include "wx/cursor.h"
 
 #ifndef WX_PRECOMP

+    #include "wx/window.h"

     #include "wx/app.h"
     #include "wx/app.h"

-    #include "wx/utils.h"

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

-    #include "wx/colour.h"
+    #include "wx/bitmap.h"
+    #include "wx/log.h"

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

-// wxCursor
+// wxCursorRefData

 //-----------------------------------------------------------------------------
 
 //-----------------------------------------------------------------------------
 

-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;
 };
 
 wxCursorRefData::wxCursorRefData()
 {
     GdkCursor *m_cursor;
 };
 
 wxCursorRefData::wxCursorRefData()
 {

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

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


@@ -45,18 +47,79 @@ wxCursorRefData::~wxCursorRefData()
     if (m_cursor) gdk_cursor_unref( m_cursor );
 }
 
     if (m_cursor) gdk_cursor_unref( m_cursor );
 }
 

+

 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------

+// wxCursor
+//-----------------------------------------------------------------------------
+
+#define M_CURSORDATA static_cast<wxCursorRefData*>(m_refData)
+
+IMPLEMENT_DYNAMIC_CLASS(wxCursor, wxGDIObject)

 
 

-#define M_CURSORDATA ((wxCursorRefData *)m_refData)
+// used in the following two ctors
+extern GtkWidget *wxGetRootWindow();

 
 

-IMPLEMENT_DYNAMIC_CLASS(wxCursor,wxObject)

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

+}
+
+#if wxUSE_IMAGE
+wxCursor::wxCursor(const wxString& cursor_file,
+                   wxBitmapType type,
+                   int hotSpotX, int hotSpotY)
+{
+    wxImage img;
+    if (!img.LoadFile(cursor_file, type))
+        return;
+
+    // eventually set the hotspot:
+    if (!img.HasOption(wxIMAGE_OPTION_CUR_HOTSPOT_X))
+        img.SetOption(wxIMAGE_OPTION_CUR_HOTSPOT_X, hotSpotX);
+    if (!img.HasOption(wxIMAGE_OPTION_CUR_HOTSPOT_Y))
+        img.SetOption(wxIMAGE_OPTION_CUR_HOTSPOT_Y, hotSpotY);
+
+    InitFromImage(img);
+}
+
+wxCursor::wxCursor(const wxImage& img)
+{
+    InitFromImage(img);
+}
+#endif
+
+wxCursor::wxCursor(const char bits[], int width, int height,
+                   int hotSpotX, int hotSpotY,
+                   const char maskBits[], const wxColour *fg, const wxColour *bg)
+{
+    if (!maskBits)
+        maskBits = bits;
+    if (!fg)
+        fg = wxBLACK;
+    if (!bg)
+        bg = wxWHITE;
+    if (hotSpotX < 0 || hotSpotX >= width)
+        hotSpotX = 0;
+    if (hotSpotY < 0 || hotSpotY >= height)
+        hotSpotY = 0;
+
+    GdkBitmap *data = gdk_bitmap_create_from_data( wxGetRootWindow()->window, (gchar *) bits, width, height );
+    GdkBitmap *mask = gdk_bitmap_create_from_data( wxGetRootWindow()->window, (gchar *) maskBits, width, height);
+
+    m_refData = new wxCursorRefData;
+    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);
+}

 
 

+wxCursor::~wxCursor()
+{

 }
 
 }
 

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

 {
     m_refData = new wxCursorRefData();
 
 {
     m_refData = new wxCursorRefData();
 


@@ -65,8 +128,8 @@ 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,


@@ -74,20 +137,21 @@ 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_ARROWWAIT:
         case wxCURSOR_WAIT:
         case wxCURSOR_WATCH:            gdk_cur = GDK_WATCH; 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_ARROWWAIT:
         case wxCURSOR_WAIT:
         case wxCURSOR_WATCH:            gdk_cur = GDK_WATCH; break;

-        case wxCURSOR_SIZING:           gdk_cur = GDK_FLEUR; break;
+        case wxCURSOR_SIZING:           gdk_cur = GDK_SIZING; 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;
         case wxCURSOR_SPRAYCAN:         gdk_cur = GDK_SPRAYCAN; break;
         case wxCURSOR_IBEAM:            gdk_cur = GDK_XTERM; break;
         case wxCURSOR_PENCIL:           gdk_cur = GDK_PENCIL; break;


@@ -121,35 +185,6 @@ wxCursor::wxCursor( int cursorId )
     M_CURSORDATA->m_cursor = gdk_cursor_new( gdk_cur );
 }
 
     M_CURSORDATA->m_cursor = gdk_cursor_new( gdk_cur );
 }
 

-extern GtkWidget *wxGetRootWindow();
-
-wxCursor::wxCursor(const char bits[], int width, int  height,
-                   int hotSpotX, int hotSpotY,
-                   const char maskBits[], const wxColour *fg, const wxColour *bg)
-{
-    if (!maskBits)
-        maskBits = bits;
-    if (!fg)
-        fg = wxBLACK;
-    if (!bg)
-        bg = wxWHITE;
-    if (hotSpotX < 0 || hotSpotX >= width)
-        hotSpotX = 0;
-    if (hotSpotY < 0 || hotSpotY >= height)
-        hotSpotY = 0;
-
-    GdkBitmap *data = gdk_bitmap_create_from_data( wxGetRootWindow()->window, (gchar *) bits, width, height );
-    GdkBitmap *mask = gdk_bitmap_create_from_data( wxGetRootWindow()->window, (gchar *) maskBits, width, height);
-
-    m_refData = new wxCursorRefData;
-    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);
-}
-

 #if wxUSE_IMAGE
 
 static void GetHotSpot(const wxImage& image, int& x, int& y)
 #if wxUSE_IMAGE
 
 static void GetHotSpot(const wxImage& image, int& x, int& y)


@@ -170,128 +205,80 @@ static void GetHotSpot(const wxImage& image, int& x, int& y)
         y = 0;
 }
 
         y = 0;
 }
 

-wxCursor::wxCursor( const wxImage & image )
+void wxCursor::InitFromImage( 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);

 
 

-#ifdef __WXGTK24__
-    if (!gtk_check_version(2,4,0))
+    GdkDisplay* display = gdk_drawable_get_display(wxGetRootWindow()->window);
+    if (gdk_display_supports_cursor_color(display))

     {
     {

-        if ( gdk_display_supports_cursor_color(gdk_display_get_default()) )
+        if (!image.HasAlpha())

         {
         {

-            unsigned char rMask = 0,
-                          gMask = 0,
-                          bMask = 0;
-            if (bHasMask)
-            {
-                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;
-                }
-            }
-
-            int hotSpotX, hotSpotY;
-            GetHotSpot(image, hotSpotX, hotSpotY);
-
-            m_refData = new wxCursorRefData;
-            M_CURSORDATA->m_cursor = gdk_cursor_new_from_pixbuf
-                                 (
-                                  gdk_display_get_default(),
-                                  pixbuf,
-                                  hotSpotX, hotSpotY
-                                 );
-            g_object_unref (pixbuf);
-            return;
+            // add alpha, so wxBitmap will convert to pixbuf format
+            image_copy.InitAlpha();

         }
         }

+        wxBitmap bitmap(image_copy);
+        wxASSERT(bitmap.HasPixbuf());
+        M_CURSORDATA->m_cursor = gdk_cursor_new_from_pixbuf
+                             (
+                              display,
+                              bitmap.GetPixbuf(),
+                              hotSpotX, hotSpotY
+                             );
+        return;

     }
     }

-#endif // GTK+ 2.4+
-
-    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;


@@ -300,12 +287,14 @@ 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;
             }


@@ -336,43 +325,32 @@ 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
 

-wxCursor::~wxCursor()
+GdkCursor *wxCursor::GetCursor() const

 {
 {

+    return M_CURSORDATA->m_cursor;

 }
 
 }
 

-bool wxCursor::IsOk() const
+wxGDIRefData *wxCursor::CreateGDIRefData() const

 {
 {

-    return (m_refData != NULL);
+    return new wxCursorRefData;

 }
 
 }
 

-GdkCursor *wxCursor::GetCursor() const
+wxGDIRefData *wxCursor::CloneGDIRefData(const wxGDIRefData *data) const

 {
 {

-    return M_CURSORDATA->m_cursor;
+    return new wxCursorRefData(*static_cast<const wxCursorRefData *>(data));

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


@@ -396,19 +374,31 @@ const wxCursor wxBusyCursor::GetBusyCursor()
     return wxCursor(wxCURSOR_WATCH);
 }
 
     return wxCursor(wxCURSOR_WATCH);
 }
 

+static void InternalIdle(const wxWindowList& list, GdkDisplay*& display)
+{
+    wxWindowList::const_iterator i = list.begin();
+    for (size_t n = list.size(); n--; ++i)
+    {
+        wxWindow* win = *i;
+        if (display == NULL && win->m_widget && win->m_widget->window)
+            display = gdk_drawable_get_display(win->m_widget->window);
+        win->OnInternalIdle();
+        InternalIdle(win->GetChildren(), display);
+    }
+}
+

 void wxEndBusyCursor()
 {
     if (--gs_busyCount > 0)
         return;
 
 void wxEndBusyCursor()
 {
     if (--gs_busyCount > 0)
         return;
 

-    wxSetCursor( gs_savedCursor );
+    g_globalCursor = gs_savedCursor;

     gs_savedCursor = wxNullCursor;
     gs_savedCursor = wxNullCursor;

-
-    if (wxTheApp)
-        wxTheApp->ProcessIdle();
+    GdkDisplay* unused = NULL;
+    InternalIdle(wxTopLevelWindows, unused);

 }
 
 }
 

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

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


@@ -417,13 +407,11 @@ void wxBeginBusyCursor( const wxCursor *WXUNUSED(cursor) )
                   wxT("forgot to call wxEndBusyCursor, will leak memory") );
 
     gs_savedCursor = g_globalCursor;
                   wxT("forgot to call wxEndBusyCursor, will leak memory") );
 
     gs_savedCursor = g_globalCursor;

-
-    wxSetCursor( wxCursor(wxCURSOR_WATCH) );
-
-    if (wxTheApp)
-        wxTheApp->ProcessIdle();
-
-    gdk_flush();
+    g_globalCursor = *cursor;
+    GdkDisplay* display = NULL;
+    InternalIdle(wxTopLevelWindows, display);
+    if (display)
+        gdk_display_flush(display);

 }
 
 bool wxIsBusy()
 }
 
 bool wxIsBusy()