gtk2_ardour/interthread_progress_window.cc

   1 /*
   2     Copyright (C) 2010 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 #include <glibmm/main.h>
  21 #include <gtkmm/stock.h>
  22 #include "ardour/import_status.h"
  23 #include "interthread_progress_window.h"
  24 #include "i18n.h"
  25
  26 using namespace std;
  27 using namespace Gtk;
  28
  29 /** @param i Status information.
  30  *  @param t Window title.
  31  *  @param c Label to use for Cancel button.
  32  */
  33 InterthreadProgressWindow::InterthreadProgressWindow (ARDOUR::InterThreadInfo* i, string const & t, string const & c)
  34         : ArdourDialog (t, true)
  35         , _interthread_info (i)
  36 {
  37         _bar.set_orientation (Gtk::PROGRESS_LEFT_TO_RIGHT);
  38
  39         set_border_width (12);
  40         get_vbox()->set_spacing (6);
  41
  42         get_vbox()->pack_start (_bar, false, false);
  43
  44         Button* b = add_button (Stock::CANCEL, RESPONSE_CANCEL);
  45         b->signal_clicked().connect (sigc::mem_fun (*this, &InterthreadProgressWindow::cancel_clicked));
  46
  47         _cancel_label.set_text (c);
  48         _cancel_button.add (_cancel_label);
  49
  50         set_default_size (200, 100);
  51         show_all ();
  52         hide ();
  53
  54         Glib::signal_timeout().connect (sigc::mem_fun (*this, &InterthreadProgressWindow::update), 100);
  55 }
  56
  57 void
  58 InterthreadProgressWindow::cancel_clicked ()
  59 {
  60         _interthread_info->cancel = true;
  61 }
  62
  63 bool
  64 InterthreadProgressWindow::update ()
  65 {
  66         _bar.set_fraction (_interthread_info->progress);
  67         return !(_interthread_info->done || _interthread_info->cancel);
  68 }
  69
  70 /** @param i Status information.
  71  *  @param t Window title.
  72  *  @param c Label to use for Cancel button.
  73  */
  74 ImportProgressWindow::ImportProgressWindow (ARDOUR::ImportStatus* s, string const & t, string const & c)
  75         : InterthreadProgressWindow (s, t, c)
  76         , _import_status (s)
  77 {
  78         _label.set_alignment (0, 0.5);
  79         _label.set_use_markup (true);
  80
  81         get_vbox()->pack_start (_label, false, false);
  82
  83         _label.show ();
  84 }
  85
  86 bool
  87 ImportProgressWindow::update ()
  88 {
  89         _cancel_button.set_sensitive (!_import_status->freeze);
  90         _label.set_markup ("<i>" + _import_status->doing_what + "</i>");
  91
  92         /* use overall progress for the bar, rather than that for individual files */
  93         _bar.set_fraction ((_import_status->current - 1 + _import_status->progress) / _import_status->total);
  94
  95         /* some of the code which sets up _import_status->current may briefly increment it too far
  96            at the end of an import, so check for that to avoid a visual glitch
  97         */
  98         uint32_t c = _import_status->current;
  99         if (c > _import_status->total) {
 100                 c = _import_status->total;
 101         }
 102
 103         _bar.set_text (string_compose (_("Importing file: %1 of %2"), c, _import_status->total));
 104
 105         return !(_import_status->all_done || _import_status->cancel);
 106 }