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livetrax/libs/gtkmm2ext/prompter.cc

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/*
Copyright (C) 1999 Paul Barton-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.
$Id$
*/
#include <string>
#include <pbd/whitespace.h>
#include <gtkmm/stock.h>
#include <gtkmm2ext/prompter.h>
#include "i18n.h"
using namespace std;
using namespace Gtkmm2ext;
Prompter::Prompter (Gtk::Window& parent, bool modal)
: Gtk::Dialog ("", parent, modal)
, first_show (true)
, can_accept_from_entry (false)
{
init ();
}
Prompter::Prompter (bool modal)
: Gtk::Dialog ("", modal)
, first_show (true)
, can_accept_from_entry (false)
{
init ();
}
void
Prompter::init ()
{
set_type_hint (Gdk::WINDOW_TYPE_HINT_DIALOG);
set_position (Gtk::WIN_POS_MOUSE);
set_name ("Prompter");
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add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
/*
Alas a generic 'affirmative' button seems a bit useless sometimes.
You will have to add your own.
After adding, use :
set_response_sensitive (Gtk::RESPONSE_ACCEPT, false)
to prevent the RESPONSE_ACCEPT button from permitting blank strings.
*/
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entryLabel.set_line_wrap (true);
entryLabel.set_name ("PrompterLabel");
entryBox.set_homogeneous (false);
entryBox.set_spacing (5);
entryBox.set_border_width (10);
entryBox.pack_start (entryLabel, false, false);
entryBox.pack_start (entry, true, true);
get_vbox()->pack_start (entryBox);
show_all_children();
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}
void
Prompter::on_show ()
{
/* don't connect to signals till shown, so that we don't change the
response sensitivity etc. when the setup of the dialog sets the text.
*/
if (first_show) {
entry.signal_changed().connect (mem_fun (*this, &Prompter::on_entry_changed));
entry.signal_activate().connect (mem_fun (*this, &Prompter::entry_activated));
can_accept_from_entry = !entry.get_text().empty();
first_show = false;
}
Dialog::on_show ();
}
void
Prompter::change_labels (string /*okstr*/, string /*cancelstr*/)
{
// dynamic_cast<Gtk::Label*>(ok.get_child())->set_text (okstr);
// dynamic_cast<Gtk::Label*>(cancel.get_child())->set_text (cancelstr);
}
void
Prompter::get_result (string &str, bool strip)
{
str = entry.get_text ();
if (strip) {
PBD::strip_whitespace_edges (str);
}
}
void
Prompter::entry_activated ()
{
if (can_accept_from_entry) {
response (Gtk::RESPONSE_ACCEPT);
} else {
response (Gtk::RESPONSE_CANCEL);
}
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}
void
Prompter::on_entry_changed ()
{
/*
This is set up so that entering text in the entry
field makes the RESPONSE_ACCEPT button active.
Of course if you haven't added a RESPONSE_ACCEPT
button, nothing will happen at all.
*/
if (!entry.get_text().empty()) {
set_response_sensitive (Gtk::RESPONSE_ACCEPT, true);
set_default_response (Gtk::RESPONSE_ACCEPT);
can_accept_from_entry = true;
} else {
set_response_sensitive (Gtk::RESPONSE_ACCEPT, false);
}
}