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livetrax/gtk2_ardour/editor_group_tabs.cc

200 lines
4.5 KiB
C++

/*
Copyright (C) 2009 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
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "gtkmm2ext/utils.h"
#include "ardour/route_group.h"
#include "canvas/colors.h"
#include "editor.h"
#include "editor_group_tabs.h"
#include "editor_route_groups.h"
#include "editor_routes.h"
#include "rgb_macros.h"
#include "route_time_axis.h"
#include "ui_config.h"
#include "utils.h"
#include "i18n.h"
using namespace std;
using namespace ARDOUR;
using namespace ARDOUR_UI_UTILS;
EditorGroupTabs::EditorGroupTabs (Editor* e)
: EditorComponent (e)
{
}
list<GroupTabs::Tab>
EditorGroupTabs::compute_tabs () const
{
list<Tab> tabs;
Tab tab;
tab.from = 0;
tab.group = 0;
int32_t y = 0;
for (TrackViewList::iterator i = _editor->track_views.begin(); i != _editor->track_views.end(); ++i) {
if ((*i)->marked_for_display() == false) {
continue;
}
RouteGroup* g = (*i)->route_group ();
if (g != tab.group) {
if (tab.group) {
tab.to = y;
tabs.push_back (tab);
}
tab.from = y;
tab.group = g;
if (g) {
tab.color = group_color (g);
}
}
y += (*i)->effective_height ();
}
if (tab.group) {
tab.to = y;
tabs.push_back (tab);
}
return tabs;
}
void
EditorGroupTabs::draw_tab (cairo_t* cr, Tab const & tab) const
{
double const arc_radius = get_width();
double r, g, b, a;
if (tab.group && tab.group->is_active()) {
ArdourCanvas::color_to_rgba (tab.color, r, g, b, a);
} else {
ArdourCanvas::color_to_rgba (UIConfiguration::instance().color ("inactive group tab"), r, g, b, a);
}
a = 1.0;
cairo_set_source_rgba (cr, r, g, b, a);
cairo_move_to (cr, 0, tab.from + arc_radius);
cairo_arc (cr, get_width(), tab.from + arc_radius, arc_radius, M_PI, 3 * M_PI / 2);
cairo_line_to (cr, get_width(), tab.to);
cairo_arc (cr, get_width(), tab.to - arc_radius, arc_radius, M_PI / 2, M_PI);
cairo_line_to (cr, 0, tab.from + arc_radius);
cairo_fill (cr);
if (tab.group) {
pair<string, double> const f = Gtkmm2ext::fit_to_pixels (cr, tab.group->name(), tab.to - tab.from - arc_radius * 2);
cairo_text_extents_t ext;
cairo_text_extents (cr, tab.group->name().c_str(), &ext);
ArdourCanvas::Color c = ArdourCanvas::contrasting_text_color (ArdourCanvas::rgba_to_color (r, g, b, a));
ArdourCanvas::color_to_rgba (c, r, g, b, a);
cairo_set_source_rgb (cr, r, g, b);
cairo_move_to (cr, get_width() - ext.height / 2, tab.from + (f.second + tab.to - tab.from) / 2);
cairo_save (cr);
cairo_rotate (cr, - M_PI / 2);
cairo_show_text (cr, f.first.c_str());
cairo_restore (cr);
}
}
double
EditorGroupTabs::primary_coordinate (double, double y) const
{
return y;
}
RouteList
EditorGroupTabs::routes_for_tab (Tab const * t) const
{
RouteList routes;
int32_t y = 0;
for (TrackViewList::iterator i = _editor->track_views.begin(); i != _editor->track_views.end(); ++i) {
if ((*i)->marked_for_display() == false) {
continue;
}
RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (*i);
if (rtv) {
if (y >= t->to) {
/* tab finishes before this track starts */
break;
}
double const h = y + (*i)->effective_height() / 2;
if (t->from < h && t->to > h) {
routes.push_back (rtv->route ());
}
}
y += (*i)->effective_height ();
}
return routes;
}
void
EditorGroupTabs::add_menu_items (Gtk::Menu* m, RouteGroup* g)
{
using namespace Gtk::Menu_Helpers;
if (g) {
MenuList& items = m->items ();
items.push_back (MenuElem (_("Fit to Window"), sigc::bind (sigc::mem_fun (*_editor, &Editor::fit_route_group), g)));
}
}
RouteList
EditorGroupTabs::selected_routes () const
{
RouteList rl;
for (TrackSelection::iterator i = _editor->get_selection().tracks.begin(); i != _editor->get_selection().tracks.end(); ++i) {
RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (*i);
if (rtv) {
rl.push_back (rtv->route());
}
}
return rl;
}
void
EditorGroupTabs::sync_order_keys ()
{
_editor->_routes->sync_order_keys_from_treeview ();
}