libs/gtkmm2ext/prompter.cc

   1 /*
   2     Copyright (C) 1999 Paul Barton-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     $Id$
  19 */
  20
  21 #include <string>
  22
  23 #include <pbd/whitespace.h>
  24
  25 #include <gtkmm/stock.h>
  26 #include <gtkmm2ext/prompter.h>
  27
  28 #include "i18n.h"
  29
  30 using namespace std;
  31 using namespace Gtkmm2ext;
  32
  33 Prompter::Prompter (Gtk::Window& parent, bool modal)
  34         : Gtk::Dialog ("", parent, modal)
  35 {
  36         init ();
  37 }
  38
  39 Prompter::Prompter (bool modal)
  40         : Gtk::Dialog ("", modal)
  41 {
  42         init ();
  43 }
  44
  45 void
  46 Prompter::init ()
  47 {
  48         set_type_hint (Gdk::WINDOW_TYPE_HINT_DIALOG);
  49         set_position (Gtk::WIN_POS_MOUSE);
  50         set_name ("Prompter");
  51
  52         add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
  53
  54         /*
  55            Alas a generic 'affirmative' button seems a bit useless sometimes.
  56            You will have to add your own.
  57            After adding, use :
  58            set_response_sensitive (Gtk::RESPONSE_ACCEPT, false)
  59            to prevent the RESPONSE_ACCEPT button from permitting blank strings.
  60         */
  61
  62         entryLabel.set_line_wrap (true);
  63         entryLabel.set_name ("PrompterLabel");
  64
  65         entryBox.set_homogeneous (false);
  66         entryBox.set_spacing (5);
  67         entryBox.set_border_width (10);
  68         entryBox.pack_start (entryLabel);
  69         entryBox.pack_start (entry, false, false);
  70
  71         get_vbox()->pack_start (entryBox);
  72         show_all_children();
  73         entry.signal_changed().connect (mem_fun (*this, &Prompter::on_entry_changed));
  74         entry.signal_activate().connect (bind (mem_fun (*this, &Prompter::response), Gtk::RESPONSE_ACCEPT));
  75 }
  76
  77 void
  78 Prompter::change_labels (string /*okstr*/, string /*cancelstr*/)
  79 {
  80         // dynamic_cast<Gtk::Label*>(ok.get_child())->set_text (okstr);
  81         // dynamic_cast<Gtk::Label*>(cancel.get_child())->set_text (cancelstr);
  82 }
  83
  84 void
  85 Prompter::get_result (string &str, bool strip)
  86 {
  87         str = entry.get_text ();
  88         if (strip) {
  89                 PBD::strip_whitespace_edges (str);
  90         }
  91 }
  92
  93 void
  94 Prompter::on_entry_changed ()
  95 {
  96         /*
  97            This is set up so that entering text in the entry
  98            field makes the RESPONSE_ACCEPT button active.
  99            Of course if you haven't added a RESPONSE_ACCEPT
 100            button, nothing will happen at all.
 101         */
 102
 103         if (entry.get_text() != "") {
 104           set_response_sensitive (Gtk::RESPONSE_ACCEPT, true);
 105           set_default_response (Gtk::RESPONSE_ACCEPT);
 106         } else {
 107           set_response_sensitive (Gtk::RESPONSE_ACCEPT, false);
 108         }
 109 }