picker controls improvements: fixes to valid paths recognition and event generation...

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

diff --git a/src/gtk/cursor.cpp b/src/gtk/cursor.cpp
index 93c10ada60d27683c167b04ded5e118c1dbbbb38..d02105ec8b92d052e6cce486cf6cd6b792df50a9 100644 (file)
--- 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:          $Id$
 // Purpose:
 // Author:      Robert Roebling
 // Id:          $Id$


@@ -7,14 +7,20 @@
 // 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 "gdk/gdk.h"
+#ifndef WX_PRECOMP
+    #include "wx/app.h"
+    #include "wx/utils.h"
+#endif // WX_PRECOMP
+
+#include "wx/gtk/private.h" //for idle stuff
+
+#include <gdk/gdk.h>
+#include <gtk/gtk.h>

 
 //-----------------------------------------------------------------------------
 // wxCursor
 
 //-----------------------------------------------------------------------------
 // wxCursor


@@ -37,7 +43,7 @@ wxCursorRefData::wxCursorRefData()
 
 wxCursorRefData::~wxCursorRefData()
 {
 
 wxCursorRefData::~wxCursorRefData()
 {

-    if (m_cursor) gdk_cursor_destroy( m_cursor );
+    if (m_cursor) gdk_cursor_unref( m_cursor );

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


@@ -48,6 +54,7 @@ IMPLEMENT_DYNAMIC_CLASS(wxCursor,wxObject)
 
 wxCursor::wxCursor()
 {
 
 wxCursor::wxCursor()
 {

+

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


@@ -57,10 +64,28 @@ wxCursor::wxCursor( int cursorId )
     GdkCursorType gdk_cur = GDK_LEFT_PTR;
     switch (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_SIZENS:           gdk_cur = GDK_SB_V_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;
         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_SIZING; break;
         case wxCURSOR_WAIT:
         case wxCURSOR_WATCH:            gdk_cur = GDK_WATCH; break;
         case wxCURSOR_SIZING:           gdk_cur = GDK_SIZING; break;


@@ -77,40 +102,213 @@ wxCursor::wxCursor( int cursorId )
         case wxCURSOR_LEFT_BUTTON:      gdk_cur = GDK_LEFTBUTTON; break;
         case wxCURSOR_MIDDLE_BUTTON:    gdk_cur = GDK_MIDDLEBUTTON; break;
         case wxCURSOR_RIGHT_BUTTON:     gdk_cur = GDK_RIGHTBUTTON; break;
         case wxCURSOR_LEFT_BUTTON:      gdk_cur = GDK_LEFTBUTTON; break;
         case wxCURSOR_MIDDLE_BUTTON:    gdk_cur = GDK_MIDDLEBUTTON; break;
         case wxCURSOR_RIGHT_BUTTON:     gdk_cur = GDK_RIGHTBUTTON; break;

+        case wxCURSOR_BULLSEYE:         gdk_cur = GDK_TARGET; break;
+
+        case wxCURSOR_POINT_LEFT:       gdk_cur = GDK_SB_LEFT_ARROW; break;
+        case wxCURSOR_POINT_RIGHT:      gdk_cur = GDK_SB_RIGHT_ARROW; break;

 /*
         case wxCURSOR_DOUBLE_ARROW:     gdk_cur = GDK_DOUBLE_ARROW; break;
         case wxCURSOR_CROSS_REVERSE:    gdk_cur = GDK_CROSS_REVERSE; 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;
 */
 /*
         case wxCURSOR_DOUBLE_ARROW:     gdk_cur = GDK_DOUBLE_ARROW; break;
         case wxCURSOR_CROSS_REVERSE:    gdk_cur = GDK_CROSS_REVERSE; 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:
         default:

-            wxFAIL_MSG("unsupported cursor type");
+            wxFAIL_MSG(wxT("unsupported cursor type"));

             // will use the standard one
             // will use the standard one

-
-        case wxCURSOR_ARROW:

             break;
     }
 
     M_CURSORDATA->m_cursor = gdk_cursor_new( gdk_cur );
 }
 
             break;
     }
 
     M_CURSORDATA->m_cursor = gdk_cursor_new( gdk_cur );
 }
 

-wxCursor::wxCursor( const wxCursor &cursor )
-{
-    Ref( cursor );
-}
+extern GtkWidget *wxGetRootWindow();

 
 

-wxCursor::~wxCursor()
+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::operator = ( const wxCursor& cursor )
+#if wxUSE_IMAGE
+
+wxCursor::wxCursor( const wxImage & image )

 {
 {

-    if (*this == cursor)
-        return (*this);
+    unsigned char * rgbBits = image.GetData();
+    int w = image.GetWidth() ;
+    int h = image.GetHeight();
+    bool bHasMask = image.HasMask();
+    int imagebitcount = (w*h)/8;

 
 

-    Ref( cursor );
+    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++)
+    {
+        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;
+        }
+    }

 
 

-    return *this;
+    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;
+    int hotSpotY;
+
+    if (image.HasOption(wxIMAGE_OPTION_CUR_HOTSPOT_X))
+        hotSpotX = image.GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_X);
+    else
+        hotSpotX = 0;
+
+    if (image.HasOption(wxIMAGE_OPTION_CUR_HOTSPOT_Y))
+        hotSpotY = image.GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_Y);
+    else
+        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);
+
+    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;
+}
+
+#endif // wxUSE_IMAGE
+
+wxCursor::~wxCursor()
+{

 }
 
 bool wxCursor::operator == ( const wxCursor& cursor ) const
 }
 
 bool wxCursor::operator == ( const wxCursor& cursor ) const


@@ -137,41 +335,60 @@ GdkCursor *wxCursor::GetCursor() const
 // busy cursor routines
 //-----------------------------------------------------------------------------
 
 // busy cursor routines
 //-----------------------------------------------------------------------------
 

-extern wxCursor *g_globalCursor;
+extern wxCursor g_globalCursor;
+
+static wxCursor  gs_savedCursor;
+static int       gs_busyCount = 0;
+
+const wxCursor &wxBusyCursor::GetStoredCursor()
+{
+    return gs_savedCursor;
+}

 
 

-static wxCursor *gs_savedCursor = NULL;
+const wxCursor wxBusyCursor::GetBusyCursor()
+{
+    return wxCursor(wxCURSOR_WATCH);
+}

 
 void wxEndBusyCursor()
 {
 
 void wxEndBusyCursor()
 {

-    wxCHECK_RET( gs_savedCursor && gs_savedCursor->Ok(),
-                 "calling wxEndBusyCursor() without wxBeginBusyCursor()?" );
+    if (--gs_busyCount > 0)
+        return;

 
 

-    wxSetCursor(*gs_savedCursor);
-    delete gs_savedCursor;
-    gs_savedCursor = NULL;
+    wxSetCursor( gs_savedCursor );
+    gs_savedCursor = wxNullCursor;
+
+    if (wxTheApp)
+        wxTheApp->ProcessIdle();

 }
 
 }
 

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

 {
 {

-    wxASSERT_MSG( !gs_savedCursor,
-                  "forgot to call wxEndBusyCursor, will leak memory" );
+    if (gs_busyCount++ > 0)
+        return;

 
 

-    gs_savedCursor = new wxCursor;
-    if ( g_globalCursor && g_globalCursor->Ok() )
-        *gs_savedCursor = *g_globalCursor;
-    else
-        *gs_savedCursor = wxCursor(wxCURSOR_ARROW);
-    wxSetCursor(wxCursor(wxCURSOR_WATCH));
+    wxASSERT_MSG( !gs_savedCursor.Ok(),
+                  wxT("forgot to call wxEndBusyCursor, will leak memory") );
+
+    gs_savedCursor = g_globalCursor;
+
+    wxSetCursor( wxCursor(wxCURSOR_WATCH) );
+
+    if (wxTheApp)
+        wxTheApp->ProcessIdle();
+
+    gdk_flush();

 }
 
 bool wxIsBusy()
 {
 }
 
 bool wxIsBusy()
 {

-    return gs_savedCursor != NULL;
+    return gs_busyCount > 0;

 }
 
 void wxSetCursor( const wxCursor& cursor )
 {
 }
 
 void wxSetCursor( const wxCursor& cursor )
 {

-    if (g_globalCursor) (*g_globalCursor) = cursor;
-}
-
+    if (g_isIdle)
+        wxapp_install_idle_handler();

 
 

+    g_globalCursor = cursor;
+}