Prevent region drags with the middle button in internal edit mode (#3869).

[ardour.git] / gtk2_ardour / editor_cursors.cc

diff --git a/gtk2_ardour/editor_cursors.cc b/gtk2_ardour/editor_cursors.cc
index 7d2e5e3f11bb7a19330874e795fafa8b8a7fe971..ccacda210f01484f5342e381e7248e34aeb0e423 100644 (file)
--- a/gtk2_ardour/editor_cursors.cc
+++ b/gtk2_ardour/editor_cursors.cc
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2000 Paul Davis 
+    Copyright (C) 2000 Paul Davis
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -15,7 +15,6 @@
     along with this program; if not, write to the Free Software
     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
-    $Id$
 */
 
 #include <cstdlib>
@@ -24,86 +23,68 @@
 #include <libgnomecanvas/libgnomecanvas.h>
 
 #include "utils.h"
+#include "editor_cursors.h"
 #include "editor.h"
 
-using namespace sigc;
 using namespace ARDOUR;
+using namespace PBD;
 using namespace Gtk;
 
-Editor::Cursor::Cursor (Editor& ed, const string& color, bool (Editor::*callbck)(GdkEvent*))
-       : editor (ed), length(1.0)
+EditorCursor::EditorCursor (Editor& ed, bool (Editor::*callbck)(GdkEvent*,ArdourCanvas::Item*))
+       : editor (ed),
+         canvas_item (*editor.cursor_group),
+         length(1.0)
 {
-       /* "randomly" initialize coords */
-       
-       points.push_back (Gnome::Art::Point (-9383839.0, 0.0));
-       points.push_back (Gnome::Art::Point (1.0, 0.0));
-       
-       canvas_item = new Gnome::Canvas::Line (editor.cursor_group);
-       canvas_item->set_property ("points", points.gobj());
-       canvas_item->set_property ("fill_color", color.c_str());
-       canvas_item->set_property ("width_pixels", 1);
-       canvas_item->set_property ("first_arrowhead", (gboolean) TRUE);
-       canvas_item->set_property ("last_arrowhead", (gboolean) TRUE);
-       canvas_item->set_property ("arrow_shape_a", 11.0);
-       canvas_item->set_property ("arrow_shape_b", 0.0);
-       canvas_item->set_property ("arrow_shape_c", 9.0);
-
-       canvas_item->set_data ("cursor", this);
-       canvas_item->signal_event().connect (slot (ed, callback));
-
+       points.push_back(Gnome::Art::Point(-1.0, 0.0)); // first x-coord needs to be a non-normal value
+       points.push_back(Gnome::Art::Point(1.0, 1.0));
+
+       canvas_item.property_points() = points;
+       canvas_item.property_width_pixels() = 1;
+       canvas_item.property_first_arrowhead() = TRUE;
+       canvas_item.property_last_arrowhead() = TRUE;
+       canvas_item.property_arrow_shape_a() = 11.0;
+       canvas_item.property_arrow_shape_b() = 0.0;
+       canvas_item.property_arrow_shape_c() = 9.0;
+
+       canvas_item.set_data ("cursor", this);
+       canvas_item.signal_event().connect (sigc::bind (sigc::mem_fun (ed, callbck), &canvas_item));
        current_frame = 1; /* force redraw at 0 */
 }
 
-Editor::Cursor::~Cursor ()
+EditorCursor::~EditorCursor ()
 
 {
-       gtk_object_destroy (GTK_OBJECT(canvas_item));
-       gnome_canvas_points_unref (points);
 }
 
 void
-Editor::Cursor::set_position (jack_nframes_t frame)
+EditorCursor::set_position (framepos_t frame)
 {
-       double new_pos =  editor.frame_to_unit (frame);
-
-       if (editor.session == 0) {
-               gnome_canvas_item_hide (canvas_item);
-       } else {
-               gnome_canvas_item_show (canvas_item);
-       }
-
-       current_frame = frame;
+       PositionChanged (frame);
 
-       if (new_pos == points->coords[0]) {
+       double new_pos =  editor.frame_to_unit (frame);
 
-               /* change in position is not visible, so just raise it */
-               
-               gnome_canvas_item_raise_to_top (canvas_item);
-               return;
-       } 
+       if (new_pos != points.front().get_x()) {
 
-       points->coords[0] = new_pos;
-       points->coords[2] = new_pos;
+               points.front().set_x (new_pos);
+               points.back().set_x (new_pos);
 
-       // cerr << "set cursor2 al points, nc = " << points->num_points << endl;
-       gnome_canvas_item_set (canvas_item, "points", points, NULL);
-       gnome_canvas_item_raise_to_top (canvas_item);
+               canvas_item.property_points() = points;
+       }
+       current_frame = frame;
 }
 
 void
-Editor::Cursor::set_length (double units)
+EditorCursor::set_length (double units)
 {
-       length = units; 
-       points->coords[3] = points->coords[1] + length;
-       // cerr << "set cursor3 al points, nc = " << points->num_points << endl;
-       gnome_canvas_item_set (canvas_item, "points", points, NULL);
+       length = units;
+       points.back().set_y (points.front().get_y() + length);
+       canvas_item.property_points() = points;
 }
 
-void 
-Editor::Cursor::set_y_axis (double position)
+void
+EditorCursor::set_y_axis (double position)
 {
-       points->coords[1] = position;
-       points->coords[3] = position + length;
-       // cerr << "set cursor4 al points, nc = " << points->num_points << endl;
-       gnome_canvas_item_set (canvas_item, "points", points, NULL);
+       points.front().set_y (position);
+       points.back().set_y (position + length);
+       canvas_item.property_points() = points;
 }