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livetrax/gtk2_ardour/mixer_group_tabs.cc

207 lines
4.7 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 "ardour/route_group.h"
#include "ardour/session.h"
#include "mixer_group_tabs.h"
#include "mixer_strip.h"
#include "mixer_ui.h"
#include "utils.h"
#include "i18n.h"
#include "route_group_dialog.h"
using namespace std;
using namespace Gtk;
using namespace ARDOUR;
MixerGroupTabs::MixerGroupTabs (Mixer_UI* m)
: _mixer (m),
_menu (0)
{
}
list<GroupTabs::Tab>
MixerGroupTabs::compute_tabs () const
{
list<Tab> tabs;
Tab tab;
tab.from = 0;
tab.group = 0;
int32_t x = 0;
TreeModel::Children rows = _mixer->track_model->children ();
for (TreeModel::Children::iterator i = rows.begin(); i != rows.end(); ++i) {
MixerStrip* s = (*i)[_mixer->track_columns.strip];
if (s->route()->is_master() || s->route()->is_control() || !s->marked_for_display()) {
continue;
}
RouteGroup* g = s->route_group ();
if (g != tab.group) {
if (tab.group) {
tab.to = x;
tab.last_ui_size = s->get_width ();
tabs.push_back (tab);
}
tab.from = x;
tab.group = g;
tab.colour = s->color ();
tab.first_ui_size = s->get_width ();
}
x += s->get_width ();
}
if (tab.group) {
tab.to = x;
tabs.push_back (tab);
}
return tabs;
}
void
MixerGroupTabs::draw_tab (cairo_t* cr, Tab const & tab) const
{
double const arc_radius = _height;
if (tab.group->is_active()) {
cairo_set_source_rgba (cr, tab.colour.get_red_p (), tab.colour.get_green_p (), tab.colour.get_blue_p (), 1);
} else {
cairo_set_source_rgba (cr, 1, 1, 1, 0.2);
}
cairo_arc (cr, tab.from + arc_radius, _height, arc_radius, M_PI, 3 * M_PI / 2);
cairo_line_to (cr, tab.to - arc_radius, 0);
cairo_arc (cr, tab.to - arc_radius, _height, arc_radius, 3 * M_PI / 2, 2 * M_PI);
cairo_line_to (cr, tab.from, _height);
cairo_fill (cr);
pair<string, double> const f = 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);
cairo_set_source_rgb (cr, 1, 1, 1);
cairo_move_to (cr, tab.from + (tab.to - tab.from - f.second) / 2, _height - ext.height / 2);
cairo_save (cr);
cairo_show_text (cr, f.first.c_str());
cairo_restore (cr);
}
double
MixerGroupTabs::primary_coordinate (double x, double) const
{
return x;
}
void
MixerGroupTabs::reflect_tabs (list<Tab> const & tabs)
{
list<Tab>::const_iterator j = tabs.begin ();
int32_t x = 0;
TreeModel::Children rows = _mixer->track_model->children ();
for (TreeModel::Children::iterator i = rows.begin(); i != rows.end(); ++i) {
MixerStrip* s = (*i)[_mixer->track_columns.strip];
if (s->route()->is_master() || s->route()->is_control() || !s->marked_for_display()) {
continue;
}
if (j == tabs.end()) {
/* already run out of tabs, so no edit group */
s->route()->set_route_group (0, this);
} else {
if (x >= j->to) {
/* this tab finishes before this track starts, so onto the next tab */
++j;
}
double const h = x + s->get_width() / 2;
if (j->from < h && j->to > h) {
s->route()->set_route_group (j->group, this);
} else {
s->route()->set_route_group (0, this);
}
}
x += s->get_width ();
}
}
Gtk::Menu*
MixerGroupTabs::get_menu (RouteGroup* g)
{
if (g == 0) {
return 0;
}
using namespace Menu_Helpers;
delete _menu;
_menu = new Menu;
MenuList& items = _menu->items ();
items.push_back (MenuElem (_("Edit..."), bind (mem_fun (*this, &MixerGroupTabs::edit_group), g)));
items.push_back (MenuElem (_("Subgroup"), bind (mem_fun (*this, &MixerGroupTabs::make_subgroup), g)));
items.push_back (SeparatorElem());
items.push_back (MenuElem (_("Remove"), bind (mem_fun (*this, &MixerGroupTabs::remove_group), g)));
return _menu;
}
void
MixerGroupTabs::edit_group (RouteGroup* g)
{
RouteGroupDialog d (g, Gtk::Stock::APPLY);
d.do_run ();
}
void
MixerGroupTabs::remove_group (RouteGroup *g)
{
_session->remove_route_group (*g);
}
void
MixerGroupTabs::make_subgroup (RouteGroup* g)
{
g->make_subgroup ();
}
void
MixerGroupTabs::destroy_subgroup (RouteGroup* g)
{
g->destroy_subgroup ();
}