Add some notes about NetRadiantCustom alternative code

diff --git a/libs/gtkutil/cursor.cpp b/libs/gtkutil/cursor.cpp
index a58c6cf09af054a233a07309cc8c168f9257531b..46f227fce03c65ea49abf02e843481852a3acd52 100644 (file)
--- a/libs/gtkutil/cursor.cpp
+++ b/libs/gtkutil/cursor.cpp
@@ -29,6 +29,27 @@
 
 // Note: NetRadiantCustom disables them but we still make use of them.
 #if 1
+/* Note: here is an alternative implementation,
+it may be useful to try it on platforms were
+       gdk_cursor_new(GDK_BLANK_CURSOR)
+does not work:
+
+GdkCursor* create_blank_cursor(){
+       GdkPixmap *pixmap;
+       GdkBitmap *mask;
+       char buffer [( 32 * 32 ) / 8];
+       memset( buffer, 0, ( 32 * 32 ) / 8 );
+       GdkColor white = {0, 0xffff, 0xffff, 0xffff};
+       GdkColor black = {0, 0x0000, 0x0000, 0x0000};
+       pixmap = gdk_bitmap_create_from_data( 0, buffer, 32, 32 );
+       mask   = gdk_bitmap_create_from_data( 0, buffer, 32, 32 );
+       GdkCursor *cursor = gdk_cursor_new_from_pixmap( pixmap, mask, &white, &black, 1, 1 );
+       gdk_drawable_unref( pixmap );
+       gdk_drawable_unref( mask );
+
+       return cursor;
+}
+*/
 GdkCursor* create_blank_cursor(){
        return gdk_cursor_new(GDK_BLANK_CURSOR);
 }
@@ -152,6 +173,7 @@ gboolean FreezePointer::motion_delta(ui::Widget widget, GdkEventMotion *event, F
        return FALSE;
 }
 
+// Note: NetRadiantCustom pass both parent and widget.
 void FreezePointer::freeze_pointer(ui::Widget widget, FreezePointer::MotionDeltaFunction function, void *data)
 {
        /* FIXME: This bug can happen if the pointer goes outside of the