X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/7c39369e5a9b2298eed8adc64a229482d5d90dd1..745e6cb9151321982f68ce37c11bbb7e8ad990a6:/src/gtk/cursor.cpp

diff --git a/src/gtk/cursor.cpp b/src/gtk/cursor.cpp
index 93c10ada60..adf882b133 100644
--- a/src/gtk/cursor.cpp
+++ b/src/gtk/cursor.cpp
@@ -13,8 +13,18 @@
 #endif
 
 #include "wx/cursor.h"
+#include "wx/utils.h"
+#include "wx/app.h"
 
-#include "gdk/gdk.h"
+#include <gdk/gdk.h>
+#include <gtk/gtk.h>
+
+//-----------------------------------------------------------------------------
+// idle system
+//-----------------------------------------------------------------------------
+
+extern void wxapp_install_idle_handler();
+extern bool g_isIdle;
 
 //-----------------------------------------------------------------------------
 // wxCursor
@@ -48,6 +58,7 @@ IMPLEMENT_DYNAMIC_CLASS(wxCursor,wxObject)
 
 wxCursor::wxCursor()
 {
+
 }
 
 wxCursor::wxCursor( int cursorId )
@@ -57,10 +68,12 @@ wxCursor::wxCursor( int cursorId )
     GdkCursorType gdk_cur = GDK_LEFT_PTR;
     switch (cursorId)
     {
+        case wxCURSOR_DEFAULT:          gdk_cur = GDK_LEFT_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_ARROWWAIT:
         case wxCURSOR_WAIT:
         case wxCURSOR_WATCH:            gdk_cur = GDK_WATCH; break;
         case wxCURSOR_SIZING:           gdk_cur = GDK_SIZING; break;
@@ -77,6 +90,10 @@ 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_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;
@@ -84,7 +101,7 @@ wxCursor::wxCursor( int cursorId )
         case wxCURSOR_BASED_ARROW_DOWN: gdk_cur = GDK_BASED_ARROW_DOWN; break;
 */
         default:
-            wxFAIL_MSG("unsupported cursor type");
+            wxFAIL_MSG(wxT("unsupported cursor type"));
             // will use the standard one
 
         case wxCURSOR_ARROW:
@@ -94,11 +111,174 @@ wxCursor::wxCursor( int cursorId )
     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[], wxColour *fg, 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 );
+
+    gdk_bitmap_unref( data );
+    gdk_bitmap_unref( mask );
+}
+
+
 wxCursor::wxCursor( const wxCursor &cursor )
 {
     Ref( cursor );
 }
 
+#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 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;
+    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 ;
+           }
+        }
+    if (bHasMask)
+        {
+        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 ;
+           }
+        }
+        }
+      else
+        {
+        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();
+    wxImageHistogram histogram;
+
+    //colors as rrggbb
+    unsigned long key;
+    unsigned long value;
+    unsigned long keyMaskColor = 0;
+    if (bHasMask) 
+        keyMaskColor = (r << 16) | (g << 8) | b;
+
+    tmpImage.ComputeHistogram(histogram);
+
+    long MostFreqCol = 0;
+    unsigned long nMost = 0;
+    long NextFreqCol = 0;
+    unsigned long nNext = 0;
+    wxImageHistogram::iterator entry = histogram.begin();
+
+    while ( entry != histogram.end() )
+    {
+        value = entry->second.value;
+        key = entry->first;
+        if ( !bHasMask || (key != keyMaskColor) )
+        {
+            if (value > nMost)
+            {
+                nMost = value;
+                MostFreqCol = key;
+            }
+            else if (value > nNext)
+            {
+                nNext = value;
+                NextFreqCol = key;
+            }
+        }
+    }
+
+    wxColour fg = wxColour ( (unsigned char)(MostFreqCol >> 16),
+                             (unsigned char)(MostFreqCol >> 8),
+                             (unsigned char)(MostFreqCol) ) ;
+
+    wxColour bg = wxColour ( (unsigned char)(NextFreqCol >> 16),
+                             (unsigned char)(NextFreqCol >> 8),
+                             (unsigned char)(NextFreqCol) ) ;
+
+    int hotSpotX=0; 
+    int 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;
+    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 );
+
+    gdk_bitmap_unref( data );
+    gdk_bitmap_unref( mask );
+    delete [] bits ;
+    delete [] maskBits;
+}
+#endif
+
 wxCursor::~wxCursor()
 {
 }
@@ -137,41 +317,60 @@ GdkCursor *wxCursor::GetCursor() const
 // 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()
 {
-    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->SendIdleEvents();
 }
 
 void wxBeginBusyCursor( wxCursor *WXUNUSED(cursor) )
 {
-    wxASSERT_MSG( !gs_savedCursor,
-                  "forgot to call wxEndBusyCursor, will leak memory" );
+    if (gs_busyCount++ > 0)
+        return;
+
+    wxASSERT_MSG( !gs_savedCursor.Ok(),
+                  wxT("forgot to call wxEndBusyCursor, will leak memory") );
+
+    gs_savedCursor = g_globalCursor;
+
+    wxSetCursor( wxCursor(wxCURSOR_WATCH) );
 
-    gs_savedCursor = new wxCursor;
-    if ( g_globalCursor && g_globalCursor->Ok() )
-        *gs_savedCursor = *g_globalCursor;
-    else
-        *gs_savedCursor = wxCursor(wxCURSOR_ARROW);
-    wxSetCursor(wxCursor(wxCURSOR_WATCH));
+    if (wxTheApp)
+        wxTheApp->SendIdleEvents();
+        
+    gdk_flush();
 }
 
 bool wxIsBusy()
 {
-    return gs_savedCursor != NULL;
+    return gs_busyCount > 0;
 }
 
 void wxSetCursor( const wxCursor& cursor )
 {
-    if (g_globalCursor) (*g_globalCursor) = cursor;
-}
-
+    if (g_isIdle)
+        wxapp_install_idle_handler();
 
+    g_globalCursor = cursor;
+}