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livetrax/gtk2_ardour/group_tabs.cc

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/*
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 <gtkmm/stock.h>
#include "ardour/session.h"
#include "ardour/route_group.h"
#include "ardour/route.h"
#include "gui_thread.h"
#include "route_group_dialog.h"
#include "group_tabs.h"
#include "keyboard.h"
#include "i18n.h"
using namespace std;
using namespace Gtk;
using namespace ARDOUR;
using Gtkmm2ext::Keyboard;
GroupTabs::GroupTabs ()
: _menu (0)
, _dragging (0)
, _dragging_new_tab (0)
{
}
GroupTabs::~GroupTabs ()
{
delete _menu;
}
void
GroupTabs::set_session (Session* s)
{
SessionHandlePtr::set_session (s);
if (_session) {
_session->RouteGroupChanged.connect (_session_connections, invalidator (*this), boost::bind (&GroupTabs::set_dirty, this), gui_context());
_session->route_group_removed.connect (_session_connections, invalidator (*this), boost::bind (&GroupTabs::set_dirty, this), gui_context());
}
}
/** Handle a size request.
* @param req GTK requisition
*/
void
GroupTabs::on_size_request (Gtk::Requisition *req)
{
/* Use a dummy, small width and the actual height that we want */
req->width = 16;
req->height = 16;
}
bool
GroupTabs::on_button_press_event (GdkEventButton* ev)
{
using namespace Menu_Helpers;
double const p = primary_coordinate (ev->x, ev->y);
list<Tab>::iterator prev;
list<Tab>::iterator next;
Tab* t = click_to_tab (p, &prev, &next);
_drag_min = prev != _tabs.end() ? prev->to : 0;
_drag_max = next != _tabs.end() ? next->from : extent ();
if (ev->button == 1) {
if (t == 0) {
Tab n;
n.from = n.to = p;
_dragging_new_tab = true;
if (next == _tabs.end()) {
_tabs.push_back (n);
t = &_tabs.back ();
} else {
list<Tab>::iterator j = _tabs.insert (next, n);
t = &(*j);
}
} else {
_dragging_new_tab = false;
}
_dragging = t;
_drag_moved = false;
_drag_first = p;
double const h = (t->from + t->to) / 2;
if (p < h) {
_drag_moving = t->from;
_drag_fixed = t->to;
_drag_offset = p - t->from;
} else {
_drag_moving = t->to;
_drag_fixed = t->from;
_drag_offset = p - t->to;
}
} else if (ev->button == 3) {
RouteGroup* g = t ? t->group : 0;
Menu* m = get_menu (g);
if (m) {
m->popup (ev->button, ev->time);
}
}
return true;
}
bool
GroupTabs::on_motion_notify_event (GdkEventMotion* ev)
{
if (_dragging == 0) {
return false;
}
double const p = primary_coordinate (ev->x, ev->y);
if (p != _drag_first) {
_drag_moved = true;
}
_drag_moving = p - _drag_offset;
_dragging->from = min (_drag_moving, _drag_fixed);
_dragging->to = max (_drag_moving, _drag_fixed);
_dragging->from = max (_dragging->from, _drag_min);
_dragging->to = min (_dragging->to, _drag_max);
set_dirty ();
queue_draw ();
return true;
}
bool
GroupTabs::on_button_release_event (GdkEventButton* ev)
{
if (_dragging == 0) {
return false;
}
if (!_drag_moved) {
if (_dragging->group) {
if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
/* edit */
RouteGroupDialog d (_dragging->group, Gtk::Stock::APPLY);
d.do_run ();
} else {
/* toggle active state */
_dragging->group->set_active (!_dragging->group->is_active (), this);
}
}
} else {
/* finish drag */
RouteList routes = routes_for_tab (_dragging);
if (!routes.empty()) {
if (_dragging_new_tab) {
RouteGroup* g = create_and_add_group ();
if (g) {
for (RouteList::iterator i = routes.begin(); i != routes.end(); ++i) {
g->add (*i);
}
}
} else {
boost::shared_ptr<RouteList> r = _session->get_routes ();
for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
if (find (routes.begin(), routes.end(), *i) == routes.end()) {
/* this route is not on the list of those that should be in _dragging's group */
if ((*i)->route_group() == _dragging->group) {
_dragging->group->remove (*i);
}
} else {
_dragging->group->add (*i);
}
}
}
}
set_dirty ();
queue_draw ();
}
_dragging = 0;
return true;
}
void
GroupTabs::render (cairo_t* cr)
{
if (_dragging == 0) {
_tabs = compute_tabs ();
}
/* background */
cairo_set_source_rgb (cr, 0, 0, 0);
cairo_rectangle (cr, 0, 0, _width, _height);
cairo_fill (cr);
/* tabs */
for (list<Tab>::const_iterator i = _tabs.begin(); i != _tabs.end(); ++i) {
draw_tab (cr, *i);
}
}
/** Convert a click position to a tab.
* @param c Click position.
* @param prev Filled in with the previous tab to the click, or 0.
* @param next Filled in with the next tab after the click, or 0.
* @return Tab under the click, or 0.
*/
GroupTabs::Tab *
GroupTabs::click_to_tab (double c, list<Tab>::iterator* prev, list<Tab>::iterator* next)
{
*prev = *next = _tabs.end ();
Tab* under = 0;
list<Tab>::iterator i = _tabs.begin ();
while (i != _tabs.end()) {
if (i->from > c) {
break;
}
if (i->to < c) {
*prev = i;
++i;
continue;
}
if (i->from <= c && c < i->to) {
under = &(*i);
}
++i;
}
if (i != _tabs.end()) {
*next = i;
if (under) {
(*next)++;
}
}
return under;
}
Gtk::Menu*
GroupTabs::get_menu (RouteGroup* g)
{
using namespace Menu_Helpers;
delete _menu;
Menu* new_from = new Menu;
MenuList& f = new_from->items ();
f.push_back (MenuElem (_("Selection..."), sigc::mem_fun (*this, &GroupTabs::new_from_selection)));
f.push_back (MenuElem (_("Record Enabled..."), sigc::mem_fun (*this, &GroupTabs::new_from_rec_enabled)));
f.push_back (MenuElem (_("Soloed..."), sigc::mem_fun (*this, &GroupTabs::new_from_soloed)));
_menu = new Menu;
_menu->set_name ("ArdourContextMenu");
MenuList& items = _menu->items();
items.push_back (MenuElem (_("New..."), hide_return (sigc::mem_fun(*this, &GroupTabs::create_and_add_group))));
items.push_back (MenuElem (_("New From"), *new_from));
if (g) {
items.push_back (MenuElem (_("Edit..."), sigc::bind (sigc::mem_fun (*this, &GroupTabs::edit_group), g)));
items.push_back (MenuElem (_("Subgroup"), sigc::bind (sigc::mem_fun (*this, &GroupTabs::subgroup), g)));
items.push_back (MenuElem (_("Collect"), sigc::bind (sigc::mem_fun (*this, &GroupTabs::collect), g)));
items.push_back (MenuElem (_("Remove"), sigc::bind (sigc::mem_fun (*this, &GroupTabs::remove_group), g)));
}
add_menu_items (_menu, g);
items.push_back (SeparatorElem());
items.push_back (MenuElem (_("Activate All"), sigc::mem_fun(*this, &GroupTabs::activate_all)));
items.push_back (MenuElem (_("Disable All"), sigc::mem_fun(*this, &GroupTabs::disable_all)));
return _menu;
}
void
GroupTabs::new_from_selection ()
{
RouteList rl = selected_routes ();
if (rl.empty()) {
return;
}
run_new_group_dialog (rl);
}
void
GroupTabs::new_from_rec_enabled ()
{
boost::shared_ptr<RouteList> rl = _session->get_routes ();
RouteList rec_enabled;
for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
if ((*i)->record_enabled()) {
rec_enabled.push_back (*i);
}
}
if (rec_enabled.empty()) {
return;
}
run_new_group_dialog (rec_enabled);
}
void
GroupTabs::new_from_soloed ()
{
boost::shared_ptr<RouteList> rl = _session->get_routes ();
RouteList soloed;
for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
if (!(*i)->is_master() && (*i)->soloed()) {
soloed.push_back (*i);
}
}
if (soloed.empty()) {
return;
}
run_new_group_dialog (soloed);
}
void
GroupTabs::run_new_group_dialog (RouteList const & rl)
{
RouteGroup* g = new RouteGroup (*_session, "");
g->apply_changes (default_properties ());
RouteGroupDialog d (g, Gtk::Stock::NEW);
int const r = d.do_run ();
switch (r) {
case Gtk::RESPONSE_OK:
case Gtk::RESPONSE_ACCEPT:
_session->add_route_group (g);
for (RouteList::const_iterator i = rl.begin(); i != rl.end(); ++i) {
g->add (*i);
}
break;
default:
delete g;
}
}
RouteGroup *
GroupTabs::create_and_add_group () const
{
RouteGroup* g = new RouteGroup (*_session, "");
g->apply_changes (default_properties ());
RouteGroupDialog d (g, Gtk::Stock::NEW);
int const r = d.do_run ();
if (r != Gtk::RESPONSE_OK) {
delete g;
return 0;
}
_session->add_route_group (g);
return g;
}
void
GroupTabs::edit_group (RouteGroup* g)
{
RouteGroupDialog d (g, Gtk::Stock::APPLY);
d.do_run ();
}
void
GroupTabs::subgroup (RouteGroup* g)
{
g->make_subgroup ();
}
struct CollectSorter {
CollectSorter (std::string const & key) : _key (key) {}
bool operator () (boost::shared_ptr<Route> a, boost::shared_ptr<Route> b) {
return a->order_key (_key) < b->order_key (_key);
}
std::string _key;
};
/** Collect all members of a RouteGroup so that they are together in the Editor or Mixer.
* @param g Group to collect.
*/
void
GroupTabs::collect (RouteGroup* g)
{
boost::shared_ptr<RouteList> group_routes = g->route_list ();
group_routes->sort (CollectSorter (order_key ()));
int const N = group_routes->size ();
RouteList::iterator i = group_routes->begin ();
boost::shared_ptr<RouteList> routes = _session->get_routes ();
RouteList::const_iterator j = routes->begin ();
int diff = 0;
int coll = -1;
while (i != group_routes->end() && j != routes->end()) {
int const k = (*j)->order_key (order_key ());
if (*i == *j) {
if (coll == -1) {
coll = k;
diff = N - 1;
} else {
--diff;
}
(*j)->set_order_key (order_key (), coll);
++coll;
++i;
} else {
(*j)->set_order_key (order_key (), k + diff);
}
++j;
}
sync_order_keys ();
}
void
GroupTabs::activate_all ()
{
_session->foreach_route_group (
sigc::bind (sigc::mem_fun (*this, &GroupTabs::set_activation), true)
);
}
void
GroupTabs::disable_all ()
{
_session->foreach_route_group (
sigc::bind (sigc::mem_fun (*this, &GroupTabs::set_activation), false)
);
}
void
GroupTabs::set_activation (RouteGroup* g, bool a)
{
g->set_active (a, this);
}
void
GroupTabs::remove_group (RouteGroup* g)
{
_session->remove_route_group (*g);
}