From 21ea5cde2e9fc96322f2c0b654273b0ec1c45819 Mon Sep 17 00:00:00 2001
From: joncruz <joncruz@users.sourceforge.net>
Date: Fri, 10 Mar 2006 09:29:33 +0000
Subject: [PATCH] Changed color dragging to have a color preview.

---
 ChangeLog                |  5 +++++
 src/dialogs/swatches.cpp | 21 +++++++++++++++++++++
 2 files changed, 26 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index 95ed6e187..d34c6cccb 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2006-03-10  Jon A. Cruz  <jon@joncruz.org>
+	* src/dialogs/swatches.cpp:
+
+	  Changed color dragging to have a color preview.
+	
 2006-03-09  Jon A. Cruz  <jon@joncruz.org>
 	* src/interface.cpp:
 
diff --git a/src/dialogs/swatches.cpp b/src/dialogs/swatches.cpp
index 3063e2280..5ed09b3e0 100644
--- a/src/dialogs/swatches.cpp
+++ b/src/dialogs/swatches.cpp
@@ -18,6 +18,7 @@
 #include <gtk/gtkdnd.h>
 
 #include <glibmm/i18n.h>
+#include <gdkmm/pixbuf.h>
 #include "inkscape.h"
 #include "document.h"
 #include "desktop-handles.h"
@@ -114,6 +115,21 @@ static void dragGetColorData( GtkWidget *widget,
     }
 }
 
+static void dragBegin( GtkWidget *widget, GdkDragContext* dc, gpointer data )
+{
+    ColorItem* item = reinterpret_cast<ColorItem*>(data);
+    if ( item )
+    {
+        Glib::RefPtr<Gdk::Pixbuf> thumb = Gdk::Pixbuf::create( Gdk::COLORSPACE_RGB, false, 8, 32, 24 );
+        guint32 fillWith = (0xff000000 & (item->_r << 24))
+                         | (0x00ff0000 & (item->_g << 16))
+                         | (0x0000ff00 & (item->_b <<  8));
+        thumb->fill( fillWith );
+        gtk_drag_set_icon_pixbuf( dc, thumb->gobj(), 0, 0 );
+    }
+
+}
+
 //"drag-drop"
 gboolean dragDropColorData( GtkWidget *widget,
                             GdkDragContext *drag_context,
@@ -206,6 +222,11 @@ Gtk::Widget* ColorItem::getPreview(PreviewStyle style, ViewType view, Gtk::Built
                           G_CALLBACK(dragGetColorData),
                           this);
 
+        g_signal_connect( G_OBJECT(newBlot->gobj()),
+                          "drag-begin",
+                          G_CALLBACK(dragBegin),
+                          this );
+
         g_signal_connect( G_OBJECT(newBlot->gobj()),
                           "drag-drop",
                           G_CALLBACK(dragDropColorData),
-- 
2.30.2