2 Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
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.
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.
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.
20 /** @file src/wx/wx_util.cc
21 * @brief Some utility functions and classes.
24 #include <boost/thread.hpp>
28 using namespace boost;
31 add_label_to_sizer (wxSizer* s, wxWindow* p, string t, int prop)
33 wxStaticText* m = new wxStaticText (p, wxID_ANY, std_to_wx (t));
34 s->Add (m, prop, wxALIGN_CENTER_VERTICAL | wxALL, 6);
39 error_dialog (wxWindow* parent, string m)
41 wxMessageDialog* d = new wxMessageDialog (parent, std_to_wx (m), wxT ("DVD-o-matic"), wxOK);
47 wx_to_std (wxString s)
49 return string (s.mb_str ());
55 return wxString (s.c_str(), wxConvUTF8);
58 int const ThreadedStaticText::_update_event_id = 10000;
60 /** @param parent Parent for the wxStaticText.
61 * @param initial Initial text for the wxStaticText while the computation is being run.
62 * @param fn Function which works out what the wxStaticText content should be and returns it.
64 ThreadedStaticText::ThreadedStaticText (wxWindow* parent, string initial, function<string ()> fn)
65 : wxStaticText (parent, wxID_ANY, std_to_wx (initial))
67 Connect (_update_event_id, wxEVT_COMMAND_TEXT_UPDATED, wxCommandEventHandler (ThreadedStaticText::thread_finished), 0, this);
68 _thread = new thread (bind (&ThreadedStaticText::run, this, fn));
71 ThreadedStaticText::~ThreadedStaticText ()
73 /* XXX: this is a bit unfortunate */
79 ThreadedStaticText::run (function<string ()> fn)
81 /* Run the thread and post the result to the GUI thread via AddPendingEvent */
82 wxCommandEvent ev (wxEVT_COMMAND_TEXT_UPDATED, _update_event_id);
83 ev.SetString (std_to_wx (fn ()));
84 GetEventHandler()->AddPendingEvent (ev);
88 ThreadedStaticText::thread_finished (wxCommandEvent& ev)
90 SetLabel (ev.GetString ());