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/*
Widgets for the Midnight Commander
Copyright (C) 1994-2022
Free Software Foundation, Inc.
Authors:
Radek Doulik, 1994, 1995
Miguel de Icaza, 1994, 1995
Jakub Jelinek, 1995
Andrej Borsenkow, 1996
Norbert Warmuth, 1997
Andrew Borodin <aborodin@vmail.ru>, 2009-2022
This file is part of the Midnight Commander.
The Midnight Commander 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 3 of the License,
or (at your option) any later version.
The Midnight Commander 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, see <http://www.gnu.org/licenses/>.
*/
/** \file hline.c
* \brief Source: WHLine widget (horizontal line)
*/
#include <config.h>
#include <stdarg.h>
#include <stdlib.h>
#include "lib/global.h"
#include "lib/tty/tty.h"
#include "lib/tty/color.h"
#include "lib/skin.h"
#include "lib/strutil.h"
#include "lib/widget.h"
/*** global variables ****************************************************************************/
/*** file scope macro definitions ****************************************************************/
/*** file scope type declarations ****************************************************************/
/*** file scope variables ************************************************************************/
/* --------------------------------------------------------------------------------------------- */
/*** file scope functions ************************************************************************/
/* --------------------------------------------------------------------------------------------- */
static void
hline_adjust_cols (WHLine * l)
{
if (l->auto_adjust_cols)
{
Widget *wl = WIDGET (l);
const Widget *o = CONST_WIDGET (wl->owner);
WRect *w = &wl->rect;
const WRect *wo = &o->rect;
if (CONST_DIALOG (o)->compact)
{
w->x = wo->x;
w->cols = wo->cols;
}
else
{
w->x = wo->x + 1;
w->cols = wo->cols - 2;
}
}
}
/* --------------------------------------------------------------------------------------------- */
static cb_ret_t
hline_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data)
{
WHLine *l = HLINE (w);
switch (msg)
{
case MSG_INIT:
hline_adjust_cols (l);
return MSG_HANDLED;
case MSG_RESIZE:
hline_adjust_cols (l);
w->rect.y = RECT (data)->y;
return MSG_HANDLED;
case MSG_DRAW:
if (l->transparent)
tty_setcolor (DEFAULT_COLOR);
else
{
const int *colors;
colors = widget_get_colors (w);
tty_setcolor (colors[DLG_COLOR_NORMAL]);
}
tty_draw_hline (w->rect.y, w->rect.x + 1, ACS_HLINE, w->rect.cols - 2);
if (l->auto_adjust_cols)
{
widget_gotoyx (w, 0, 0);
tty_print_alt_char (ACS_LTEE, FALSE);
widget_gotoyx (w, 0, w->rect.cols - 1);
tty_print_alt_char (ACS_RTEE, FALSE);
}
if (l->text != NULL)
{
int text_width;
text_width = str_term_width1 (l->text);
widget_gotoyx (w, 0, (w->rect.cols - text_width) / 2);
tty_print_string (l->text);
}
return MSG_HANDLED;
case MSG_DESTROY:
g_free (l->text);
return MSG_HANDLED;
default:
return widget_default_callback (w, sender, msg, parm, data);
}
}
/* --------------------------------------------------------------------------------------------- */
/*** public functions ****************************************************************************/
/* --------------------------------------------------------------------------------------------- */
WHLine *
hline_new (int y, int x, int width)
{
WRect r = { y, x, 1, width };
WHLine *l;
Widget *w;
l = g_new (WHLine, 1);
w = WIDGET (l);
r.cols = width < 0 ? 1 : width;
widget_init (w, &r, hline_callback, NULL);
l->text = NULL;
l->auto_adjust_cols = (width < 0);
l->transparent = FALSE;
return l;
}
/* --------------------------------------------------------------------------------------------- */
void
hline_set_text (WHLine * l, const char *text)
{
g_free (l->text);
if (text == NULL || *text == '\0')
l->text = NULL;
else
l->text = g_strdup (text);
widget_draw (WIDGET (l));
}
/* --------------------------------------------------------------------------------------------- */
void
hline_set_textv (WHLine * l, const char *format, ...)
{
va_list args;
char buf[BUF_1K]; /* FIXME: is it enough? */
va_start (args, format);
g_vsnprintf (buf, sizeof (buf), format, args);
va_end (args);
hline_set_text (l, buf);
}
/* --------------------------------------------------------------------------------------------- */
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