/////////////////////////////////////////////////////////////////////////////
-// Name: cursor.cpp
+// Name: src/gtk/cursor.cpp
// Purpose:
// Author: Robert Roebling
// Id: $Id$
// 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 <gtk/gtk.h>
//-----------------------------------------------------------------------------
// wxCursor
public:
wxCursorRefData();
- ~wxCursorRefData();
+ virtual ~wxCursorRefData();
GdkCursor *m_cursor;
};
wxCursorRefData::~wxCursorRefData()
{
- if (m_cursor) gdk_cursor_destroy( m_cursor );
+ if (m_cursor) gdk_cursor_unref( m_cursor );
}
//-----------------------------------------------------------------------------
wxCursor::wxCursor()
{
+
}
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;
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;
}
M_CURSORDATA->m_cursor = gdk_cursor_new( gdk_cur );
}
-extern GtkWidget *wxRootWindow;
+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;
if (hotSpotY < 0 || hotSpotY >= height)
hotSpotY = 0;
- GdkBitmap *data = gdk_bitmap_create_from_data( wxRootWindow->window, (gchar *) bits, width, height );
- GdkBitmap *mask = gdk_bitmap_create_from_data( wxRootWindow->window, (gchar *) maskBits, width, height);
+ 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 );
- gdk_bitmap_unref( data );
- gdk_bitmap_unref( mask );
+ g_object_unref (data);
+ g_object_unref (mask);
}
+#if wxUSE_IMAGE
-wxCursor::wxCursor( const wxCursor &cursor )
+static void GetHotSpot(const wxImage& image, int& x, int& y)
{
- Ref( cursor );
+ if (image.HasOption(wxIMAGE_OPTION_CUR_HOTSPOT_X))
+ x = image.GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_X);
+ else
+ x = 0;
+
+ if (image.HasOption(wxIMAGE_OPTION_CUR_HOTSPOT_Y))
+ y = image.GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_Y);
+ else
+ y = 0;
+
+ if (x < 0 || x >= image.GetWidth())
+ x = 0;
+ if (y < 0 || y >= image.GetHeight())
+ y = 0;
}
-wxCursor::~wxCursor()
+wxCursor::wxCursor( const wxImage & image )
{
-}
+ unsigned char * rgbBits = image.GetData();
+ int w = image.GetWidth() ;
+ int h = image.GetHeight();
+ bool bHasMask = image.HasMask();
+ int imagebitcount = (w*h)/8;
-wxCursor& wxCursor::operator = ( const wxCursor& cursor )
-{
- if (*this == cursor)
- return (*this);
+ if ( gdk_display_supports_cursor_color(gdk_display_get_default()) )
+ {
+ 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;
+ }
- Ref( cursor );
+ unsigned char * bits = new unsigned char [imagebitcount];
+ unsigned char * maskBits = new unsigned char [imagebitcount];
- return *this;
-}
+ 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;
+ }
+ }
-bool wxCursor::operator == ( const wxCursor& cursor ) const
-{
- return m_refData == cursor.m_refData;
+ unsigned long keyMaskColor;
+ if (bHasMask)
+ {
+ unsigned char
+ r = image.GetMaskRed(),
+ g = image.GetMaskGreen(),
+ b = image.GetMaskBlue();
+
+ for (i=0; i<imagebitcount; i++)
+ {
+ 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;
+ }
+ }
+
+ 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;
+ }
+
+ // 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;
+ unsigned long nNext = 0;
+ for ( wxImageHistogram::iterator entry = histogram.begin();
+ entry != histogram.end();
+ ++entry )
+ {
+ value = entry->second.value;
+ key = entry->first;
+ if ( !bHasMask || (key != keyMaskColor) )
+ {
+ if (value > nMost)
+ {
+ nMost = value;
+ colMostFreq = key;
+ }
+ else if (value > nNext)
+ {
+ 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) );
+
+ 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, 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
+ (
+ data,
+ mask,
+ fg.GetColor(), bg.GetColor(),
+ hotSpotX, hotSpotY
+ );
+
+ g_object_unref (data);
+ g_object_unref (mask);
+ delete [] bits;
+ delete [] maskBits;
}
-bool wxCursor::operator != ( const wxCursor& cursor ) const
+#endif // wxUSE_IMAGE
+
+wxCursor::~wxCursor()
{
- return m_refData != cursor.m_refData;
}
-bool wxCursor::Ok() const
+bool wxCursor::IsOk() const
{
return (m_refData != NULL);
}
// busy cursor routines
//-----------------------------------------------------------------------------
-extern wxCursor g_globalCursor;
+/* Current cursor, in order to hang on to
+ * cursor handle when setting the cursor globally */
+wxCursor g_globalCursor;
static wxCursor gs_savedCursor;
static int gs_busyCount = 0;
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;
wxSetCursor( wxCursor(wxCURSOR_WATCH) );
if (wxTheApp)
- wxTheApp->SendIdleEvents();
+ wxTheApp->ProcessIdle();
+
+ gdk_flush();
}
bool wxIsBusy()
void wxSetCursor( const wxCursor& cursor )
{
- if (g_isIdle)
- wxapp_install_idle_handler();
-
g_globalCursor = cursor;
+ wxTheApp->WakeUpIdle();
}
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