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// Copyright (C) 2003 Mooffie <mooffie@typo.co.il>
//
// 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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
#include <config.h>
#include <cstdlib>
#include <stdarg.h>
#include "dialogline.h"
#include "editor.h"
#include "inputline.h"
#include "question.h"
#include "dbg.h"
DialogLine::DialogLine(Editor *aApp)
{
app = aApp;
modal_widget = NULL;
transient = false;
}
void DialogLine::resize(int lines, int columns, int y, int x)
{
Label::resize(lines, columns, y, x);
if (modal_widget)
modal_widget->resize(lines, columns, y, x);
}
void DialogLine::show_message(const char *msg)
{
set_text(msg);
transient = true;
}
void DialogLine::show_error_message(const char *msg)
{
set_text(msg);
transient = false;
}
void DialogLine::show_message_fmt(const char *fmt, ...)
{
u8string msg;
va_list ap;
va_start(ap, fmt);
msg.vcformat(fmt, ap);
va_end(ap);
show_message(msg.c_str());
}
INTERACTIVE void DialogLine::layout_windows()
{
app->layout_windows();
// move the cursor back to the modal widget
if (modal_widget)
modal_widget->invalidate_view();
}
INTERACTIVE void DialogLine::refresh()
{
app->refresh();
// move the cursor back to the modal widget
if (modal_widget)
modal_widget->invalidate_view();
}
void DialogLine::clear_transient_message()
{
if (!empty() && transient)
set_text("");
}
INTERACTIVE void DialogLine::cancel_modal()
{
modal_canceled = true;
}
// modalize() - does event pumping on some interactive widget.
void DialogLine::modalize(Widget *wgt)
{
modal_widget = wgt;
wgt->resize(window_height(), window_width(), window_begy(), window_begx());
modal_canceled = false;
while (wgt->is_modal() && !modal_canceled) {
Event evt;
wgt->update();
doupdate();
get_next_event(evt, wgt->wnd);
if (!handle_event(evt))
wgt->handle_event(evt);
}
modal_widget = NULL;
show_message(modal_canceled ? _("Canceled") : "");
}
bool DialogLine::ask_yes_or_no(const char *msg, bool *canceled)
{
Question ipt(msg);
modalize(&ipt);
if (canceled)
*canceled = modal_canceled;
return modal_canceled ? false : ipt.get_answer();
}
int DialogLine::get_number(const char *msg, int default_num, bool *canceled)
{
u8string cstrnum;
cstrnum.cformat("%d", default_num);
unistring strnum;
strnum.init_from_utf8(cstrnum.c_str());
InputLine ipt(msg, strnum);
modalize(&ipt);
if (canceled)
*canceled = modal_canceled;
if (modal_canceled) {
return 0;
} else {
cstrnum.init_from_unichars(ipt.get_text());
return atoi(cstrnum.c_str());
}
}
unistring DialogLine::query(const char *msg, const char *default_text,
int history_set, InputLine::CompleteType complete,
bool *alt_kbd)
{
unistring text;
text.init_from_utf8(default_text);
return query(msg, text, history_set, complete, alt_kbd);
}
unistring DialogLine::query(const char *msg, const unistring &default_text,
int history_set, InputLine::CompleteType complete,
bool *alt_kbd)
{
InputLine ipt(msg, default_text, history_set, complete);
if (alt_kbd)
ipt.set_alt_kbd(*alt_kbd);
modalize(&ipt);
if (alt_kbd)
*alt_kbd = ipt.get_alt_kbd();
return modal_canceled ? unistring() : ipt.get_text();
}
void DialogLine::update()
{
if (modal_widget)
modal_widget->update();
else
Label::update();
}
// immediate_update() - called when we want to update the terminal
// immediately, without having to wait for the event pump. As an intentional
// side effect, the terminal cursor moves to this window.
// TODO: move to the Widget class?
void DialogLine::immediate_update()
{
if (terminal::is_interactive()) {
update();
doupdate();
}
}
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