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livetrax/gtk2_ardour/interthread_progress_window.cc

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/*
Copyright (C) 2010 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 <glibmm/main.h>
#include <gtkmm/stock.h>
#include "gtkmm2ext/utils.h"
#include "ardour/import_status.h"
#include "interthread_progress_window.h"
#include "i18n.h"
using namespace std;
using namespace Gtk;
/** @param i Status information.
* @param t Window title.
* @param c Label to use for Cancel button.
*/
InterthreadProgressWindow::InterthreadProgressWindow (ARDOUR::InterThreadInfo* i, string const & t, string const & c)
: ArdourDialog (t, true)
, _interthread_info (i)
{
_bar.set_orientation (Gtk::PROGRESS_LEFT_TO_RIGHT);
set_border_width (12);
get_vbox()->set_spacing (6);
get_vbox()->pack_start (_bar, false, false);
Button* b = add_button (Stock::CANCEL, RESPONSE_CANCEL);
b->signal_clicked().connect (sigc::mem_fun (*this, &InterthreadProgressWindow::cancel_clicked));
_cancel_label.set_text (c);
_cancel_button.add (_cancel_label);
set_default_size (200, 100);
show_all ();
hide ();
_interthread_info->cancel = false; // override on_hide
Glib::signal_timeout().connect (sigc::mem_fun (*this, &InterthreadProgressWindow::update), 100);
}
void
InterthreadProgressWindow::on_hide ()
{
if (_interthread_info && !_interthread_info->done) {
//catch user pressing 'esc' or WM close
_interthread_info->cancel = true;
}
}
void
InterthreadProgressWindow::cancel_clicked ()
{
_interthread_info->cancel = true;
}
bool
InterthreadProgressWindow::update ()
{
_bar.set_fraction (_interthread_info->progress);
return !(_interthread_info->done || _interthread_info->cancel);
}
/** @param i Status information.
* @param t Window title.
* @param c Label to use for Cancel button.
*/
ImportProgressWindow::ImportProgressWindow (ARDOUR::ImportStatus* s, string const & t, string const & c)
: InterthreadProgressWindow (s, t, c)
, _import_status (s)
{
_label.set_alignment (0, 0.5);
_label.set_use_markup (true);
get_vbox()->pack_start (_label, false, false);
_label.show ();
}
bool
ImportProgressWindow::update ()
{
_cancel_button.set_sensitive (!_import_status->freeze);
_label.set_markup ("<i>" + Gtkmm2ext::markup_escape_text (_import_status->doing_what) + "</i>");
/* use overall progress for the bar, rather than that for individual files */
_bar.set_fraction ((_import_status->current - 1 + _import_status->progress) / _import_status->total);
/* some of the code which sets up _import_status->current may briefly increment it too far
at the end of an import, so check for that to avoid a visual glitch
*/
uint32_t c = _import_status->current;
if (c > _import_status->total) {
c = _import_status->total;
}
_bar.set_text (string_compose (_("Importing file: %1 of %2"), c, _import_status->total));
return !(_import_status->all_done || _import_status->cancel);
}