2 Copyright (C) 2009 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #include "ardour/route_group.h"
21 #include "editor_group_tabs.h"
23 #include "time_axis_view.h"
27 using namespace ARDOUR;
29 EditorGroupTabs::EditorGroupTabs (Editor* e)
36 EditorGroupTabs::set_session (Session* s)
38 s->RouteEditGroupChanged.connect (mem_fun (*this, &EditorGroupTabs::set_dirty));
42 /** Handle a size request.
43 * @param req GTK requisition
46 EditorGroupTabs::on_size_request (Gtk::Requisition *req)
48 /* Use a dummy, small height and the actual width that we want */
55 EditorGroupTabs::render (cairo_t* cr)
59 cairo_set_source_rgb (cr, 0, 0, 0);
60 cairo_rectangle (cr, 0, 0, _width, _height);
63 int32_t curr_start = 0;
64 RouteGroup* curr_group = 0;
65 Gdk::Color curr_colour;
68 for (Editor::TrackViewList::iterator i = _editor->track_views.begin(); i != _editor->track_views.end(); ++i) {
70 if ((*i)->marked_for_display() == false) {
74 RouteGroup* g = (*i)->edit_group ();
76 if (g != curr_group) {
78 draw_group (cr, curr_start, y, curr_group, curr_colour);
83 curr_colour = (*i)->color ();
86 y += (*i)->effective_height ();
90 draw_group (cr, curr_start, y, curr_group, curr_colour);
95 EditorGroupTabs::draw_group (cairo_t* cr, int32_t y1, int32_t y2, RouteGroup* g, Gdk::Color const & colour)
97 double const arc_radius = _width;
100 cairo_set_source_rgba (cr, colour.get_red_p (), colour.get_green_p (), colour.get_blue_p (), 1);
102 cairo_set_source_rgba (cr, 1, 1, 1, 0.2);
105 cairo_move_to (cr, 0, y1 + arc_radius);
106 cairo_arc (cr, _width, y1 + arc_radius, arc_radius, M_PI, 3 * M_PI / 2);
107 cairo_line_to (cr, _width, y2);
108 cairo_arc (cr, _width, y2 - arc_radius, arc_radius, M_PI / 2, M_PI);
109 cairo_line_to (cr, 0, y1 + arc_radius);
112 pair<string, double> const f = fit_to_pixels (cr, g->name(), y2 - y1 - arc_radius * 2);
114 cairo_text_extents_t ext;
115 cairo_text_extents (cr, g->name().c_str(), &ext);
117 cairo_set_source_rgb (cr, 1, 1, 1);
118 cairo_move_to (cr, _width - ext.height / 2, y1 + (f.second + y2 - y1) / 2);
120 cairo_rotate (cr, - M_PI / 2);
121 cairo_show_text (cr, f.first.c_str());
126 EditorGroupTabs::on_button_press_event (GdkEventButton* ev)
129 Editor::TrackViewList::iterator i = _editor->track_views.begin();
130 while (y < ev->y && i != _editor->track_views.end()) {
132 if ((*i)->marked_for_display()) {
133 y += (*i)->effective_height ();
141 if (i == _editor->track_views.end()) {
145 RouteGroup* g = (*i)->edit_group ();
147 g->set_active (!g->is_active (), this);