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livetrax/gtk2_ardour/editor_snapshots.cc

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/*
Copyright (C) 2000-2009 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/liststore.h>
#include "gtkmm2ext/choice.h"
#include "ardour/session.h"
#include "ardour/session_state_utils.h"
#include "ardour/session_directory.h"
#include "editor_snapshots.h"
#include "ardour_ui.h"
#include "i18n.h"
#include "editor.h"
#include "utils.h"
#include "prompter.h"
using namespace std;
using namespace PBD;
using namespace Gtk;
using namespace ARDOUR;
EditorSnapshots::EditorSnapshots (Editor* e)
: EditorComponent (e)
{
_model = ListStore::create (_columns);
_display.set_model (_model);
_display.append_column (X_("snapshot"), _columns.visible_name);
_display.set_size_request (75, -1);
_display.set_headers_visible (false);
_display.set_reorderable (false);
_scroller.add (_display);
_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
_display.get_selection()->signal_changed().connect (sigc::mem_fun(*this, &EditorSnapshots::selection_changed));
_display.signal_button_press_event().connect (sigc::mem_fun (*this, &EditorSnapshots::button_press), false);
}
void
EditorSnapshots::set_session (Session* s)
{
SessionHandlePtr::set_session (s);
redisplay ();
}
/** A new snapshot has been selected.
*/
void
EditorSnapshots::selection_changed ()
{
if (_display.get_selection()->count_selected_rows() > 0) {
TreeModel::iterator i = _display.get_selection()->get_selected();
std::string snap_name = (*i)[_columns.real_name];
if (snap_name.length() == 0) {
return;
}
if (_session->snap_name() == snap_name) {
return;
}
ARDOUR_UI::instance()->load_session (_session->path(), string (snap_name));
}
}
bool
EditorSnapshots::button_press (GdkEventButton* ev)
{
if (ev->button == 3) {
/* Right-click on the snapshot list. Work out which snapshot it
was over. */
Gtk::TreeModel::Path path;
Gtk::TreeViewColumn* col;
int cx;
int cy;
_display.get_path_at_pos ((int) ev->x, (int) ev->y, path, col, cx, cy);
Gtk::TreeModel::iterator iter = _model->get_iter (path);
if (iter) {
Gtk::TreeModel::Row row = *iter;
popup_context_menu (ev->button, ev->time, row[_columns.real_name]);
}
return true;
}
return false;
}
/** Pop up the snapshot display context menu.
* @param button Button used to open the menu.
* @param time Menu open time.
* @param snapshot_name Name of the snapshot that the menu click was over.
*/
void
EditorSnapshots::popup_context_menu (int button, int32_t time, std::string snapshot_name)
{
using namespace Menu_Helpers;
MenuList& items (_menu.items());
items.clear ();
const bool modification_allowed = (_session->snap_name() != snapshot_name && _session->name() != snapshot_name);
add_item_with_sensitivity (items, MenuElem (_("Remove"), sigc::bind (sigc::mem_fun (*this, &EditorSnapshots::remove), snapshot_name)), modification_allowed);
add_item_with_sensitivity (items, MenuElem (_("Rename..."), sigc::bind (sigc::mem_fun (*this, &EditorSnapshots::rename), snapshot_name)), modification_allowed);
_menu.popup (button, time);
}
void
EditorSnapshots::rename (std::string old_name)
{
ArdourPrompter prompter(true);
string new_name;
prompter.set_name ("Prompter");
prompter.set_title (_("Rename Snapshot"));
prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
prompter.set_prompt (_("New name of snapshot"));
prompter.set_initial_text (old_name);
if (prompter.run() == RESPONSE_ACCEPT) {
prompter.get_result (new_name);
if (new_name.length()) {
_session->rename_state (old_name, new_name);
redisplay ();
}
}
}
void
EditorSnapshots::remove (std::string name)
{
vector<string> choices;
std::string prompt = string_compose (_("Do you really want to remove snapshot \"%1\" ?\n(which cannot be undone)"), name);
choices.push_back (_("No, do nothing."));
choices.push_back (_("Yes, remove it."));
Gtkmm2ext::Choice prompter (_("Remove snapshot"), prompt, choices);
if (prompter.run () == 1) {
_session->remove_state (name);
redisplay ();
}
}
void
EditorSnapshots::redisplay ()
{
if (_session == 0) {
return;
}
vector<sys::path> state_file_paths;
get_state_files_in_directory (_session->session_directory().root_path(),
state_file_paths);
if (state_file_paths.empty()) {
return;
}
vector<string> state_file_names (get_file_names_no_extension(state_file_paths));
_model->clear ();
for (vector<string>::iterator i = state_file_names.begin(); i != state_file_names.end(); ++i)
{
string statename = (*i);
TreeModel::Row row = *(_model->append());
/* this lingers on in case we ever want to change the visible
name of the snapshot.
*/
string display_name;
display_name = statename;
if (statename == _session->snap_name()) {
_display.get_selection()->select(row);
}
row[_columns.visible_name] = display_name;
row[_columns.real_name] = statename;
}
}