mirror of
https://github.com/MidnightCommander/mc
synced 2024-12-24 13:26:52 +03:00
0138645541
Signed-off-by: Slava Zanko <slavazanko@gmail.com>
204 lines
5.6 KiB
C
204 lines
5.6 KiB
C
/*
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Widgets for the Midnight Commander
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Copyright (C) 1994, 1995, 1996, 1998, 1999, 2000, 2001, 2002, 2003,
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2004, 2005, 2006, 2007, 2009, 2010, 2011
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The Free Software Foundation, Inc.
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Authors:
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Radek Doulik, 1994, 1995
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Miguel de Icaza, 1994, 1995
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Jakub Jelinek, 1995
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Andrej Borsenkow, 1996
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Norbert Warmuth, 1997
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Andrew Borodin <aborodin@vmail.ru>, 2009, 2010
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This file is part of the Midnight Commander.
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The Midnight Commander is free software: you can redistribute it
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and/or modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation, either version 3 of the License,
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or (at your option) any later version.
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The Midnight Commander is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** \file radio.c
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* \brief Source: WRadui widget (radiobuttons)
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*/
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#include <config.h>
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#include <stdlib.h>
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#include "lib/global.h"
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#include "lib/tty/tty.h"
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#include "lib/tty/mouse.h"
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#include "lib/widget.h"
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/*** global variables ****************************************************************************/
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/*** file scope macro definitions ****************************************************************/
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/*** file scope type declarations ****************************************************************/
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/*** file scope variables ************************************************************************/
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/*** file scope functions ************************************************************************/
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static cb_ret_t
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radio_callback (Widget * w, widget_msg_t msg, int parm)
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{
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WRadio *r = (WRadio *) w;
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int i;
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Dlg_head *h = r->widget.owner;
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switch (msg)
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{
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case WIDGET_HOTKEY:
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{
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for (i = 0; i < r->count; i++)
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{
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if (r->texts[i].hotkey != NULL)
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{
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int c = g_ascii_tolower ((gchar) r->texts[i].hotkey[0]);
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if (c != parm)
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continue;
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r->pos = i;
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/* Take action */
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radio_callback (w, WIDGET_KEY, ' ');
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return MSG_HANDLED;
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}
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}
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}
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return MSG_NOT_HANDLED;
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case WIDGET_KEY:
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switch (parm)
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{
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case ' ':
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r->sel = r->pos;
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h->callback (h, w, DLG_ACTION, 0, NULL);
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radio_callback (w, WIDGET_FOCUS, ' ');
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return MSG_HANDLED;
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case KEY_UP:
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case KEY_LEFT:
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if (r->pos > 0)
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{
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r->pos--;
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return MSG_HANDLED;
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}
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return MSG_NOT_HANDLED;
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case KEY_DOWN:
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case KEY_RIGHT:
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if (r->count - 1 > r->pos)
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{
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r->pos++;
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return MSG_HANDLED;
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}
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}
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return MSG_NOT_HANDLED;
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case WIDGET_CURSOR:
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h->callback (h, w, DLG_ACTION, 0, NULL);
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radio_callback (w, WIDGET_FOCUS, ' ');
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widget_move (&r->widget, r->pos, 1);
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return MSG_HANDLED;
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case WIDGET_UNFOCUS:
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case WIDGET_FOCUS:
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case WIDGET_DRAW:
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for (i = 0; i < r->count; i++)
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{
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const gboolean focused = (i == r->pos && msg == WIDGET_FOCUS);
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widget_selectcolor (w, focused, FALSE);
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widget_move (&r->widget, i, 0);
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tty_draw_hline (r->widget.y + i, r->widget.x, ' ', r->widget.cols);
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tty_print_string ((r->sel == i) ? "(*) " : "( ) ");
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hotkey_draw (w, r->texts[i], focused);
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}
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return MSG_HANDLED;
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case WIDGET_DESTROY:
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for (i = 0; i < r->count; i++)
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release_hotkey (r->texts[i]);
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g_free (r->texts);
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return MSG_HANDLED;
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default:
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return default_proc (msg, parm);
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}
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}
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/* --------------------------------------------------------------------------------------------- */
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static int
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radio_event (Gpm_Event * event, void *data)
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{
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WRadio *r = data;
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Widget *w = data;
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if ((event->type & (GPM_DOWN | GPM_UP)) != 0)
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{
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Dlg_head *h = r->widget.owner;
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r->pos = event->y - 1;
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dlg_select_widget (r);
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if ((event->type & GPM_UP) != 0)
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{
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radio_callback (w, WIDGET_KEY, ' ');
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h->callback (h, w, DLG_POST_KEY, ' ', NULL);
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return MOU_NORMAL;
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}
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}
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return MOU_NORMAL;
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}
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/* --------------------------------------------------------------------------------------------- */
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/*** public functions ****************************************************************************/
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/* --------------------------------------------------------------------------------------------- */
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WRadio *
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radio_new (int y, int x, int count, const char **texts)
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{
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WRadio *r;
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int i, wmax = 0;
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r = g_new (WRadio, 1);
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/* Compute the longest string */
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r->texts = g_new (hotkey_t, count);
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for (i = 0; i < count; i++)
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{
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int w;
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r->texts[i] = parse_hotkey (texts[i]);
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w = hotkey_width (r->texts[i]);
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wmax = max (w, wmax);
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}
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init_widget (&r->widget, y, x, count, 4 + wmax, radio_callback, radio_event);
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/* 4 is width of "(*) " */
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r->state = 1;
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r->pos = 0;
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r->sel = 0;
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r->count = count;
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widget_want_hotkey (r->widget, TRUE);
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return r;
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}
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/* --------------------------------------------------------------------------------------------- */
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