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livetrax/gtk2_ardour/region_layering_order_editor.cc

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/*
Copyright (C) 2011-2012 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/table.h>
#include <gtkmm/stock.h>
#include <gtkmm/alignment.h>
#include "pbd/stateful_diff_command.h"
#include "ardour/region.h"
#include "gui_thread.h"
#include "keyboard.h"
#include "public_editor.h"
#include "region_layering_order_editor.h"
#include "region_view.h"
#include "utils.h"
#include "pbd/i18n.h"
using namespace std;
using namespace Gtk;
using namespace ARDOUR;
using namespace ARDOUR_UI_UTILS;
RegionLayeringOrderEditor::RegionLayeringOrderEditor (PublicEditor& pe)
: ArdourWindow (_("RegionLayeringOrderEditor"))
, position (0)
, in_row_change (false)
, regions_at_position (0)
, layering_order_model (Gtk::ListStore::create (layering_order_columns))
, clock ("layer dialog", true, "", false, false, false)
, editor (pe)
, _time_axis_view (0)
{
set_name ("RegionLayeringOrderEditorWindow");
layering_order_display.set_model (layering_order_model);
layering_order_display.append_column (_("Region Name"), layering_order_columns.name);
layering_order_display.set_headers_visible (true);
layering_order_display.set_reorderable (false);
layering_order_display.set_rules_hint (true);
scroller.set_policy (Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
scroller.add (layering_order_display);
clock.set_mode (AudioClock::BBT);
Gtk::Table* scroller_table = manage (new Gtk::Table);
scroller_table->set_size_request (300, 250);
scroller_table->attach (scroller, 0, 1, 0, 1);
scroller_table->set_col_spacings (5);
scroller_table->set_row_spacings (5);
track_label.set_name ("RegionLayeringOrderEditorLabel");
track_label.set_text (_("Track:"));
track_label.set_alignment (0, 0.5);
clock_label.set_name ("RegionLayeringOrderEditorLabel");
clock_label.set_text (_("Position:"));
clock_label.set_alignment (0, 0.5);
track_name_label.set_name ("RegionLayeringOrderEditorNameLabel");
track_name_label.set_alignment (0, 0.5);
clock.set_mode (AudioClock::BBT);
Gtk::Table* info_table = manage (new Gtk::Table (2, 2));
info_table->set_col_spacings (5);
info_table->set_row_spacings (5);
info_table->attach (track_label, 0, 1, 0, 1, FILL, FILL);
info_table->attach (track_name_label, 1, 2, 0, 1, FILL, FILL);
info_table->attach (clock_label, 0, 1, 1, 2, FILL, FILL);
info_table->attach (clock, 1, 2, 1, 2, Gtk::AttachOptions(0), FILL);
Gtk::VBox* vbox = Gtk::manage (new Gtk::VBox ());
vbox->set_spacing (12);
vbox->pack_start (*info_table, false, false);
vbox->pack_start (*scroller_table, true, true);
add (*vbox);
info_table->set_name ("RegionLayeringOrderTable");
scroller_table->set_name ("RegionLayeringOrderTable");
layering_order_display.set_name ("RegionLayeringOrderDisplay");
layering_order_display.get_selection()->set_mode (SELECTION_SINGLE);
layering_order_display.get_selection()->signal_changed ().connect (mem_fun (*this, &RegionLayeringOrderEditor::row_selected));
layering_order_display.grab_focus ();
set_title (_("Choose Top Region"));
show_all();
}
RegionLayeringOrderEditor::~RegionLayeringOrderEditor ()
{
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}
void
RegionLayeringOrderEditor::row_selected ()
{
if (in_row_change) {
return;
}
Glib::RefPtr<TreeSelection> selection = layering_order_display.get_selection();
TreeModel::iterator iter = selection->get_selected(); // only used with Gtk::SELECTION_SINGLE
if (!iter) {
return;
}
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TreeModel::Row row = *iter;
RegionView* rv = row[layering_order_columns.region_view];
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vector<RegionView*> eq;
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editor.get_equivalent_regions (rv, eq, Properties::group_select.property_id);
/* XXX this should be reversible, really */
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for (vector<RegionView*>::iterator i = eq.begin(); i != eq.end(); ++i) {
boost::shared_ptr<Playlist> pl = (*i)->region()->playlist();
if (pl) {
pl->raise_region_to_top ((*i)->region());
}
}
}
struct RegionViewCompareByLayer {
bool operator() (RegionView* a, RegionView* b) const {
return a->region()->layer() > b->region()->layer();
}
};
void
RegionLayeringOrderEditor::refill ()
{
assert (_time_axis_view);
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regions_at_position = 0;
in_row_change = true;
layering_order_model->clear ();
RegionSelection region_list;
TrackViewList ts;
ts.push_back (_time_axis_view);
editor.get_regions_at (region_list, position, ts);
regions_at_position = region_list.size ();
if (regions_at_position < 2) {
playlist_modified_connection.disconnect ();
hide ();
in_row_change = false;
return;
}
RegionViewCompareByLayer cmp;
region_list.sort (cmp);
for (RegionSelection::const_iterator i = region_list.begin(); i != region_list.end(); ++i) {
TreeModel::Row newrow = *(layering_order_model->append());
newrow[layering_order_columns.name] = (*i)->region()->name();
newrow[layering_order_columns.region_view] = *i;
if (i == region_list.begin()) {
layering_order_display.get_selection()->select(newrow);
}
}
in_row_change = false;
}
void
RegionLayeringOrderEditor::set_context (const string& a_name, Session* s, TimeAxisView* tav, boost::shared_ptr<Playlist> pl, framepos_t pos)
{
track_name_label.set_text (a_name);
clock.set_session (s);
clock.set (pos, true);
playlist_modified_connection.disconnect ();
pl->ContentsChanged.connect (playlist_modified_connection, invalidator (*this), boost::bind
(&RegionLayeringOrderEditor::playlist_modified, this), gui_context());
_time_axis_view = tav;
position = pos;
refill ();
}
bool
RegionLayeringOrderEditor::on_key_press_event (GdkEventKey* ev)
{
bool handled = false;
/* in general, we want shortcuts working while in this
dialog. However, we'd like to treat "return" specially
since it is used for row activation. So ..
for return: try normal handling first
then try the editor (to get accelerators/shortcuts)
then try normal handling (for keys other than return)
*/
if (ev->keyval == GDK_Return) {
handled = ArdourWindow::on_key_press_event (ev);
}
if (!handled) {
handled = relay_key_press (ev, this);
}
if (!handled) {
handled = ArdourWindow::on_key_press_event (ev);
}
return handled;
}
void
RegionLayeringOrderEditor::maybe_present ()
{
if (regions_at_position < 2) {
hide ();
return;
}
present ();
}
void
RegionLayeringOrderEditor::playlist_modified ()
{
refill ();
}