2011-10-15 14:56:47 +04:00
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/*
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Widgets for the Midnight Commander
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2010-11-12 11:03:57 +03:00
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2015-01-07 10:06:55 +03:00
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Copyright (C) 1994-2015
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2014-02-12 10:33:10 +04:00
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Free Software Foundation, Inc.
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2010-11-12 11:03:57 +03:00
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2011-10-15 14:56:47 +04:00
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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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2013-06-24 11:40:53 +04:00
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Andrew Borodin <aborodin@vmail.ru>, 2009, 2010, 2013
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2010-11-12 11:03:57 +03:00
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2011-10-15 14:56:47 +04:00
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This file is part of the Midnight Commander.
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2010-11-12 11:03:57 +03:00
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2011-10-15 14:56:47 +04:00
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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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2010-11-12 11:03:57 +03:00
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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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2011-10-15 14:56:47 +04:00
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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2010-11-12 11:03:57 +03:00
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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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2012-06-26 11:52:21 +04:00
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radio_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data)
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{
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WRadio *r = RADIO (w);
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int i;
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switch (msg)
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{
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case MSG_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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2011-01-04 16:44:02 +03:00
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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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2012-09-28 15:05:43 +04:00
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send_message (w, sender, MSG_KEY, ' ', data);
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2010-11-12 11:03:57 +03:00
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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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2012-09-28 15:05:43 +04:00
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case MSG_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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send_message (w->owner, w, MSG_ACTION, 0, NULL);
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send_message (w, sender, MSG_FOCUS, ' ', data);
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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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2012-09-28 15:05:43 +04:00
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case MSG_CURSOR:
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send_message (w->owner, w, MSG_ACTION, 0, NULL);
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send_message (w, sender, MSG_FOCUS, ' ', data);
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2012-06-20 15:09:44 +04:00
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widget_move (r, r->pos, 1);
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return MSG_HANDLED;
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2012-09-28 15:05:43 +04:00
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case MSG_UNFOCUS:
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case MSG_FOCUS:
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case MSG_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 == MSG_FOCUS);
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widget_selectcolor (w, focused, FALSE);
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2012-06-20 15:09:44 +04:00
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widget_move (r, i, 0);
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tty_draw_hline (w->y + i, w->x, ' ', w->cols);
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2010-11-12 11:03:57 +03:00
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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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2012-09-28 15:05:43 +04:00
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case MSG_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 widget_default_callback (w, sender, msg, parm, data);
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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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Widget *w = WIDGET (data);
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2011-03-21 16:43:56 +03:00
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if (!mouse_global_in_widget (event, w))
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return MOU_UNHANDLED;
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if ((event->type & (GPM_DOWN | GPM_UP)) != 0)
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{
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2012-10-11 12:25:07 +04:00
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WRadio *r = RADIO (data);
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2011-03-21 16:43:56 +03:00
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Gpm_Event local;
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local = mouse_get_local (event, w);
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2011-03-21 16:43:56 +03:00
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r->pos = local.y - 1;
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dlg_select_widget (w);
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if ((event->type & GPM_UP) != 0)
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{
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radio_callback (w, NULL, MSG_KEY, ' ', NULL);
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send_message (w->owner, w, MSG_POST_KEY, ' ', NULL);
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2010-11-12 11:03:57 +03:00
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}
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}
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2011-03-21 16:43:56 +03:00
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2010-11-12 11:03:57 +03:00
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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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Widget *w;
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int i, wmax = 0;
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r = g_new (WRadio, 1);
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2012-06-20 15:09:44 +04:00
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w = WIDGET (r);
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2010-11-12 11:03:57 +03:00
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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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2012-06-20 15:09:44 +04:00
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int width;
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2010-11-12 11:03:57 +03:00
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r->texts[i] = parse_hotkey (texts[i]);
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2012-06-20 15:09:44 +04:00
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width = hotkey_width (r->texts[i]);
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wmax = max (width, wmax);
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2010-11-12 11:03:57 +03:00
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}
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2013-06-24 11:40:53 +04:00
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widget_init (w, y, x, count, 4 + wmax, radio_callback, radio_event);
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2010-11-12 11:03:57 +03:00
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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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2012-06-20 15:09:44 +04:00
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widget_want_hotkey (w, TRUE);
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2010-11-12 11:03:57 +03:00
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return r;
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}
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/* --------------------------------------------------------------------------------------------- */
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