Fix node moving (inform user via "moved" signal).

git-svn-id: http://svn.drobilla.net/lad/trunk/ganv@3833 a436a847-0d15-0410-975c-d299462d15a1

3 files changed, 36 insertions, 8 deletions

diff --git a/src/Canvas.cpp b/src/Canvas.cpp
index 5c0c082..9f326a9 100644
--- a/src/Canvas.cpp
+++ b/src/Canvas.cpp
@@ -45,6 +45,7 @@
 #include "ganv/node.h"
 
 #include "./color.h"
+#include "./ganv-private.h"
 
 #ifdef HAVE_AGRAPH
 #    include <gvc.h>
@@ -310,7 +311,9 @@ GanvCanvasImpl::selection_move_finished()
 {
 	FOREACH_ITEM(_selected_items, i) {
 		std::cerr << "FIXME: selection move finished" << std::endl;
-		//Glib::wrap(*i)->signal_moved.emit();
+		double x, y;
+		g_object_get(*i, "x", &x, "y", &y, NULL);
+		g_signal_emit(*i, signal_moved, 0, x, y, NULL);
 	}
 }
 
@@ -1106,9 +1109,6 @@ GanvCanvasImpl::port_event(GdkEvent* event, GanvPort* port)
 			} else if (!port->is_input) {
 				port_dragging = true;
 			}
-		} else {
-			// FIXME
-			//return Glib::wrap(port)->on_click(&event->button);
 		}
 		break;
 
@@ -1645,7 +1645,9 @@ Canvas::arrange(bool use_length_hints)
 
 	FOREACH_ITEM(impl()->_items, i) {
 		std::cerr << "FIXME: arrange moved" << std::endl;
-		Glib::wrap((*i))->signal_moved.emit();
+		double x, y;
+		g_object_get(*i, "x", &x, "y", &y, NULL);
+		g_signal_emit(*i, signal_moved, 0, x, y, NULL);
 	}
 #endif
 }
diff --git a/src/ganv-private.h b/src/ganv-private.h
index e90e4e8..b7e6eae 100644
--- a/src/ganv-private.h
+++ b/src/ganv-private.h
@@ -16,6 +16,12 @@
 #ifndef GANV_PRIVATE_H
 #define GANV_PRIVATE_H
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+	
+extern guint signal_moved;
+
 void
 ganv_canvas_add_node(GanvCanvas* canvas,
                      GanvNode*   node);
@@ -64,4 +70,8 @@ ganv_canvas_port_event(GanvCanvas* canvas,
                        GanvPort*   port,
                        GdkEvent*   event);
 
+#ifdef __cplusplus
+}  /* extern "C" */
+#endif
+
 #endif  /* GANV_PRIVATE_H */
diff --git a/src/node.c b/src/node.c
index 87dc482..b9efb42 100644
--- a/src/node.c
+++ b/src/node.c
@@ -23,6 +23,8 @@
 #include "./ganv-private.h"
 #include "./gettext.h"
 
+guint signal_moved;
+
 G_DEFINE_TYPE(GanvNode, ganv_node, GNOME_TYPE_CANVAS_GROUP)
 
 static GnomeCanvasGroupClass* parent_class;
@@ -373,9 +375,13 @@ ganv_node_default_on_event(GanvNode* node,
 			gnome_canvas_item_ungrab(GNOME_CANVAS_ITEM(node), event->button.time);
 			dragging = FALSE;
 			if (event->button.x != drag_start_x || event->button.y != drag_start_y) {
-				// Dragged
-				// FIXME: emit moved signal
-				ganv_canvas_selection_move_finished(canvas);
+				if (selected) {
+					ganv_canvas_selection_move_finished(canvas);
+				} else {
+					double x, y;
+					g_object_get(node, "x", &x, "y", &y, NULL);
+					g_signal_emit(node, signal_moved, 0, x, y, NULL);
+				}
 			} else {
 				// Clicked
 				if (selected) {
@@ -555,6 +561,16 @@ to its partner."),
 			0,
 			G_PARAM_READWRITE));
 
+	signal_moved = g_signal_new("moved",
+	                            ganv_node_get_type(),
+	                            G_SIGNAL_RUN_FIRST,
+	                            0, NULL, NULL, NULL,
+	                            G_TYPE_NONE,
+	                            2,
+	                            G_TYPE_DOUBLE,
+	                            G_TYPE_DOUBLE,
+	                            0);
+
 	object_class->destroy = ganv_node_destroy;
 
 	item_class->realize = ganv_node_realize;