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livetrax/gtk2_ardour/editor_regions.cc
Paul Davis af5c99dd05 move definition of selection operations in to ARDOUR namespace
This is a rare commit that I think should be done for GUI and libs at the same time
2024-08-02 11:50:21 -06:00

287 lines
8.7 KiB
C++

/*
* Copyright (C) 2009-2012 Carl Hetherington <carl@carlh.net>
* Copyright (C) 2009-2012 David Robillard <d@drobilla.net>
* Copyright (C) 2009-2018 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2013-2021 Robin Gareus <robin@gareus.org>
* Copyright (C) 2015-2016 Tim Mayberry <mojofunk@gmail.com>
* Copyright (C) 2016 Nick Mainsbridge <mainsbridge@gmail.com>
* Copyright (C) 2018-2019 Ben Loftis <ben@harrisonconsoles.com>
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <algorithm>
#include <list>
#include <string>
#include "ardour/region.h"
#include "ardour/session.h"
#include "widgets/choice.h"
#include "ardour_ui.h"
#include "editor.h"
#include "editor_regions.h"
#include "gui_thread.h"
#include "keyboard.h"
#include "region_view.h"
#include "utils.h"
#include "pbd/i18n.h"
using namespace std;
using namespace ARDOUR;
using namespace PBD;
using namespace Gtk;
using Gtkmm2ext::Keyboard;
EditorRegions::EditorRegions (Editor* e)
: EditorComponent (e)
{
init ();
_change_connection = _display.get_selection ()->signal_changed ().connect (sigc::mem_fun (*this, &EditorRegions::selection_changed));
e->EditorFreeze.connect (_editor_freeze_connection, MISSING_INVALIDATOR, boost::bind (&EditorRegions::freeze_tree_model, this), gui_context ());
e->EditorThaw.connect (_editor_thaw_connection, MISSING_INVALIDATOR, boost::bind (&EditorRegions::thaw_tree_model, this), gui_context ());
}
void
EditorRegions::init ()
{
add_name_column ();
setup_col (append_col (_columns.channels, "Chans "), 1, ALIGN_START, _("# Ch"), _("# Channels in the region"));
add_tag_column ();
int cb_width = 24;
int bbt_width, height;
Glib::RefPtr<Pango::Layout> layout = _display.create_pango_layout (X_("000|000|000"));
layout->get_pixel_size (bbt_width, height);
TreeViewColumn* tvc;
tvc = append_col (_columns.start, bbt_width);
setup_col (tvc, 16, ALIGN_END, _("Start"), _("Position of start of region"));
tvc = append_col (_columns.length, bbt_width);
setup_col (tvc, 4, ALIGN_END, _("Length"), _("Length of the region"));
tvc = append_col (_columns.locked, cb_width);
setup_col (tvc, -1, ALIGN_CENTER, S_("Lock|L"), _("Region position locked?"));
setup_toggle (tvc, sigc::mem_fun (*this, &EditorRegions::locked_changed));
tvc = append_col (_columns.muted, cb_width);
setup_col (tvc, -1, ALIGN_CENTER, S_("Mute|M"), _("Region muted?"));
setup_toggle (tvc, sigc::mem_fun (*this, &EditorRegions::muted_changed));
tvc = append_col (_columns.opaque, cb_width);
setup_col (tvc, -1, ALIGN_CENTER, S_("Opaque|O"), _("Region opaque (blocks regions below it from being heard)?"));
setup_toggle (tvc, sigc::mem_fun (*this, &EditorRegions::opaque_changed));
#ifdef SHOW_REGION_EXTRAS
tvc = append_col (_columns.end, bbt_width);
setup_col (tvc, 5, ALIGN_END, _("End"), _("Position of end of region"));
tvc = append_col (_columns.sync, bbt_width);
setup_col (tvc, -1, ALIGN_END, _("Sync"), _("Position of region sync point, relative to start of the region"));
tvc = append_col (_columns.fadein, bbt_width);
setup_col (tvc, -1, ALIGN_END, _("Fade In"), _("Length of region fade-in (unit: secondary clock, enclosed in parenthesis if the fade is disabled)"));
tvc = append_col (_columns.fadeout, bbt_width);
setup_col (tvc, -1, ALIGN_END, _("Fade out"), _("Length of region fade-out (unit: secondary clock, enclosed in parenthesis if the fade is disabled)"));
#endif
}
void
EditorRegions::selection_changed ()
{
_editor->_region_selection_change_updates_region_list = false;
if (_display.get_selection ()->count_selected_rows () > 0) {
TreeIter iter;
TreeView::Selection::ListHandle_Path rows = _display.get_selection ()->get_selected_rows ();
_editor->get_selection ().clear_regions ();
for (TreeView::Selection::ListHandle_Path::iterator i = rows.begin (); i != rows.end (); ++i) {
if ((iter = _model->get_iter (*i))) {
std::shared_ptr<Region> region = (*iter)[_columns.region];
// they could have clicked on a row that is just a placeholder, like "Hidden"
// although that is not allowed by our selection filter. check it anyway
// since we need a region ptr.
if (region) {
_change_connection.block (true);
_editor->set_selected_regionview_from_region_list (region, SelectionAdd);
_change_connection.block (false);
}
}
}
} else {
_editor->get_selection ().clear_regions ();
}
_editor->_region_selection_change_updates_region_list = true;
}
void
EditorRegions::set_selected (RegionSelection& regions)
{
for (RegionSelection::iterator i = regions.begin (); i != regions.end (); ++i) {
std::shared_ptr<Region> r ((*i)->region ());
RegionRowMap::iterator it;
it = region_row_map.find (r);
if (it != region_row_map.end ()) {
TreeModel::iterator j = it->second;
_display.get_selection ()->select (*j);
}
}
}
void
EditorRegions::show_context_menu (int button, int time)
{
using namespace Gtk::Menu_Helpers;
Gtk::Menu* menu = dynamic_cast<Menu*> (ActionManager::get_widget (X_("/PopupRegionMenu")));
menu->popup (button, time);
}
bool
EditorRegions::button_press (GdkEventButton* ev)
{
std::shared_ptr<Region> region;
TreeIter iter;
TreeModel::Path path;
TreeViewColumn* column;
int cellx;
int celly;
if (_display.get_path_at_pos ((int)ev->x, (int)ev->y, path, column, cellx, celly)) {
if ((iter = _model->get_iter (path))) {
region = (*iter)[_columns.region];
}
}
if (Keyboard::is_context_menu_event (ev)) {
show_context_menu (ev->button, ev->time);
return true;
}
if (region != 0 && Keyboard::is_button2_event (ev)) {
/* start/stop audition */
if (!Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
_editor->consider_auditioning (region);
}
return true;
}
return false;
}
void
EditorRegions::selection_mapover (sigc::slot<void, std::shared_ptr<Region>> sl)
{
Glib::RefPtr<TreeSelection> selection = _display.get_selection ();
TreeView::Selection::ListHandle_Path rows = selection->get_selected_rows ();
TreeView::Selection::ListHandle_Path::iterator i = rows.begin ();
if (selection->count_selected_rows () == 0 || _session == 0) {
return;
}
for (; i != rows.end (); ++i) {
TreeIter iter;
if ((iter = _model->get_iter (*i))) {
/* some rows don't have a region associated with them, but can still be
selected (XXX maybe prevent them from being selected)
*/
std::shared_ptr<Region> r = (*iter)[_columns.region];
if (r) {
sl (r);
}
}
}
}
void
EditorRegions::regions_changed (std::shared_ptr<RegionList> rl, const PropertyChange& what_changed)
{
/* the grid is most interested in the regions that are *visible* in the editor.
* this is a convenient place to flag changes to the grid cache, on a visible region */
PropertyChange grid_interests;
grid_interests.add (ARDOUR::Properties::length);
grid_interests.add (ARDOUR::Properties::sync_position);
if (what_changed.contains (grid_interests)) {
_editor->mark_region_boundary_cache_dirty ();
}
RegionListBase::regions_changed (rl, what_changed);
}
std::shared_ptr<Region>
EditorRegions::get_single_selection ()
{
Glib::RefPtr<TreeSelection> selected = _display.get_selection ();
if (selected->count_selected_rows () != 1) {
return std::shared_ptr<Region> ();
}
TreeView::Selection::ListHandle_Path rows = selected->get_selected_rows ();
/* only one row selected, so rows.begin() is it */
TreeIter iter = _model->get_iter (*rows.begin ());
if (!iter) {
return std::shared_ptr<Region> ();
}
return (*iter)[_columns.region];
}
void
EditorRegions::remove_unused_regions ()
{
vector<string> choices;
string prompt;
if (!_session) {
return;
}
prompt = _("Do you really want to remove unused regions?"
"\n(This is destructive and cannot be undone)");
choices.push_back (_("No, do nothing."));
choices.push_back (_("Yes, remove."));
ArdourWidgets::Choice prompter (_("Remove unused regions"), prompt, choices);
if (prompter.run () == 1) {
_no_redisplay = true;
_session->cleanup_regions ();
_no_redisplay = false;
redisplay ();
}
}