mc/lib/widget/check.c

145 lines
4.3 KiB
C
Raw Normal View History

/* Widgets for the Midnight Commander
Copyright (C) 1994, 1995, 1996, 1998, 1999, 2000, 2001, 2002, 2003,
2004, 2005, 2006, 2007, 2009, 2010 Free Software Foundation, Inc.
Authors: 1994, 1995 Radek Doulik
1994, 1995 Miguel de Icaza
1995 Jakub Jelinek
1996 Andrej Borsenkow
1997 Norbert Warmuth
2009, 2010 Andrew Borodin
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
/** \file check.c
* \brief Source: WCheck widget (checkbutton)
*/
#include <config.h>
#include <stdlib.h>
#include "lib/global.h"
#include "lib/tty/tty.h"
#include "lib/tty/mouse.h"
#include "lib/widget.h"
/*** global variables ****************************************************************************/
/*** file scope macro definitions ****************************************************************/
/*** file scope type declarations ****************************************************************/
/*** file scope variables ************************************************************************/
/*** file scope functions ************************************************************************/
static cb_ret_t
check_callback (Widget * w, widget_msg_t msg, int parm)
{
WCheck *c = (WCheck *) w;
Dlg_head *h = c->widget.owner;
switch (msg)
{
case WIDGET_HOTKEY:
if (c->text.hotkey != NULL)
{
if (g_ascii_tolower ((gchar) c->text.hotkey[0]) == g_ascii_tolower ((gchar) parm))
{
check_callback (w, WIDGET_KEY, ' '); /* make action */
return MSG_HANDLED;
}
}
return MSG_NOT_HANDLED;
case WIDGET_KEY:
if (parm != ' ')
return MSG_NOT_HANDLED;
c->state ^= C_BOOL;
c->state ^= C_CHANGE;
h->callback (h, w, DLG_ACTION, 0, NULL);
check_callback (w, WIDGET_FOCUS, ' ');
return MSG_HANDLED;
case WIDGET_CURSOR:
widget_move (&c->widget, 0, 1);
return MSG_HANDLED;
case WIDGET_FOCUS:
case WIDGET_UNFOCUS:
case WIDGET_DRAW:
widget_selectcolor (w, msg == WIDGET_FOCUS, FALSE);
widget_move (&c->widget, 0, 0);
tty_print_string ((c->state & C_BOOL) ? "[x] " : "[ ] ");
hotkey_draw (w, c->text, msg == WIDGET_FOCUS);
return MSG_HANDLED;
case WIDGET_DESTROY:
release_hotkey (c->text);
return MSG_HANDLED;
default:
return default_proc (msg, parm);
}
}
/* --------------------------------------------------------------------------------------------- */
static int
check_event (Gpm_Event * event, void *data)
{
WCheck *c = data;
Widget *w = data;
if ((event->type & (GPM_DOWN | GPM_UP)) != 0)
{
Dlg_head *h = c->widget.owner;
dlg_select_widget (c);
if (event->type & GPM_UP)
{
check_callback (w, WIDGET_KEY, ' ');
check_callback (w, WIDGET_FOCUS, 0);
h->callback (h, w, DLG_POST_KEY, ' ', NULL);
return MOU_NORMAL;
}
}
return MOU_NORMAL;
}
/* --------------------------------------------------------------------------------------------- */
/*** public functions ****************************************************************************/
/* --------------------------------------------------------------------------------------------- */
WCheck *
check_new (int y, int x, int state, const char *text)
{
WCheck *c;
c = g_new (WCheck, 1);
c->text = parse_hotkey (text);
init_widget (&c->widget, y, x, 1, 4 + hotkey_width (c->text), check_callback, check_event);
/* 4 is width of "[X] " */
c->state = state ? C_BOOL : 0;
widget_want_hotkey (c->widget, TRUE);
return c;
}