From 1f6f24308e96040962794c5a9ffd81597b5e072a Mon Sep 17 00:00:00 2001
From: Alessandro Ghedini <al3xbio@gmail.com>
Date: Sat, 3 Nov 2012 16:15:11 +0100
Subject: Imported Upstream version 0.5.4

---
 src/gui/piePreview.vala | 36 +++++++++++++++++++++++++++++++-----
 1 file changed, 31 insertions(+), 5 deletions(-)

(limited to 'src/gui/piePreview.vala')

diff --git a/src/gui/piePreview.vala b/src/gui/piePreview.vala
index 5745fcb..3ddf6c8 100644
--- a/src/gui/piePreview.vala
+++ b/src/gui/piePreview.vala
@@ -68,6 +68,7 @@ class PiePreview : Gtk.DrawingArea {
     /////////////////////////////////////////////////////////////////////
     
     private int drag_start_index = -1;
+    private string drag_start_id = "";
 
     /////////////////////////////////////////////////////////////////////
     /// C'tor, creates the widget.
@@ -174,8 +175,12 @@ class PiePreview : Gtk.DrawingArea {
     
     public void set_pie(string id) {
         this.current_id = id;
-        this.modify_bg(Gtk.StateType.NORMAL, Gtk.rc_get_style(this).light[0]);
+        this.modify_bg(Gtk.StateType.NORMAL, Gtk.rc_get_style(this).light[Gtk.StateType.NORMAL]);
         this.renderer.load_pie(PieManager.all_pies[id]);
+        
+        if (id == this.drag_start_id) {
+            this.renderer.hide_group(this.drag_start_index);
+        }
     }
     
     /////////////////////////////////////////////////////////////////////
@@ -209,6 +214,7 @@ class PiePreview : Gtk.DrawingArea {
         
         Gtk.Allocation allocation;
         this.get_allocation(out allocation);
+        
         ctx.translate((int)(allocation.width*0.5), (int)(allocation.height*0.5));
         
         this.renderer.draw(frame_time, ctx);
@@ -278,6 +284,7 @@ class PiePreview : Gtk.DrawingArea {
         Gtk.Allocation allocation;
         this.get_allocation(out allocation);
         this.renderer.on_mouse_move(x-allocation.width*0.5, y-allocation.height*0.5);
+        
         return true;
     }
     
@@ -287,6 +294,7 @@ class PiePreview : Gtk.DrawingArea {
     
     private void on_start_drag(Gdk.DragContext ctx) {
         this.drag_start_index = this.renderer.get_active_slice();
+        this.drag_start_id = this.current_id;
         var icon = this.renderer.get_active_icon();
         var pixbuf = icon.to_pixbuf();
 
@@ -311,11 +319,29 @@ class PiePreview : Gtk.DrawingArea {
             context.list_targets().foreach((target) => {
                 Gdk.Atom target_type = (Gdk.Atom)target;
                 if (target_type.name() == "text/plain") {
-                    var pie = PieManager.all_pies[this.current_id];
-                    pie.move_group(this.drag_start_index, target_index);
-                    this.renderer.show_hidden_group_at(target_index);
+                    if (this.current_id == this.drag_start_id) {
+                        var pie = PieManager.all_pies[this.current_id];
+                        pie.move_group(this.drag_start_index, target_index);
+                        this.renderer.show_hidden_group_at(target_index);
+                    } else {
+                        var src_pie = PieManager.all_pies[this.drag_start_id];
+                        var dst_pie = PieManager.all_pies[this.current_id];
+                        dst_pie.add_group(src_pie.action_groups[this.drag_start_index], target_index);
+                        this.renderer.add_group(dst_pie.action_groups[target_index], target_index);
+                        
+                        if (this.renderer.slices.size == 1)
+                            this.on_first_slice_added();
+                        
+                        if ((context.get_actions() & Gdk.DragAction.COPY) == 0)
+                            src_pie.remove_group(this.drag_start_index);
+                    }
+                
+                    
                 }
             });
+            
+            this.drag_start_index = -1;
+            this.drag_start_id = "";
         }  
     }
     
@@ -349,7 +375,7 @@ class PiePreview : Gtk.DrawingArea {
             this.drag_enabled = true;
             Gtk.TargetEntry slice_source = {"text/plain", Gtk.TargetFlags.SAME_WIDGET | Gtk.TargetFlags.SAME_APP, 0};
             Gtk.TargetEntry[] sources = { slice_source };
-            Gtk.drag_source_set(this, Gdk.ModifierType.BUTTON1_MASK, sources, Gdk.DragAction.MOVE);
+            Gtk.drag_source_set(this, Gdk.ModifierType.BUTTON1_MASK, sources, Gdk.DragAction.MOVE | Gdk.DragAction.COPY);
         }
     }
     
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