mirror of
https://github.com/MidnightCommander/mc
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dffe01fab1
Signed-off-by: Andrew Borodin <aborodin@vmail.ru>
190 lines
5.1 KiB
C
190 lines
5.1 KiB
C
/*
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Widgets for the Midnight Commander
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Copyright (C) 1994-2020
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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, 2013
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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 hline.c
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* \brief Source: WHLine widget (horizontal line)
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*/
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#include <config.h>
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#include <stdarg.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/color.h"
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#include "lib/skin.h"
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#include "lib/strutil.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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/* --------------------------------------------------------------------------------------------- */
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/*** file scope functions ************************************************************************/
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/* --------------------------------------------------------------------------------------------- */
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static void
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hline_adjust_cols (WHLine * l)
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{
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if (l->auto_adjust_cols)
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{
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Widget *w = WIDGET (l);
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Widget *wo = WIDGET (w->owner);
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if (DIALOG (wo)->compact)
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{
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w->x = wo->x;
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w->cols = wo->cols;
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}
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else
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{
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w->x = wo->x + 1;
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w->cols = wo->cols - 2;
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}
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}
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}
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/* --------------------------------------------------------------------------------------------- */
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static cb_ret_t
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hline_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data)
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{
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WHLine *l = HLINE (w);
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switch (msg)
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{
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case MSG_INIT:
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hline_adjust_cols (l);
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return MSG_HANDLED;
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case MSG_RESIZE:
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hline_adjust_cols (l);
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w->y = RECT (data)->y;
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return MSG_HANDLED;
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case MSG_DRAW:
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if (l->transparent)
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tty_setcolor (DEFAULT_COLOR);
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else
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{
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const int *colors;
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colors = widget_get_colors (w);
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tty_setcolor (colors[DLG_COLOR_NORMAL]);
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}
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tty_draw_hline (w->y, w->x + 1, ACS_HLINE, w->cols - 2);
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if (l->auto_adjust_cols)
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{
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widget_gotoyx (w, 0, 0);
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tty_print_alt_char (ACS_LTEE, FALSE);
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widget_gotoyx (w, 0, w->cols - 1);
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tty_print_alt_char (ACS_RTEE, FALSE);
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}
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if (l->text != NULL)
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{
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int text_width;
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text_width = str_term_width1 (l->text);
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widget_gotoyx (w, 0, (w->cols - text_width) / 2);
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tty_print_string (l->text);
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}
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return MSG_HANDLED;
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case MSG_DESTROY:
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g_free (l->text);
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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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/*** public functions ****************************************************************************/
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/* --------------------------------------------------------------------------------------------- */
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WHLine *
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hline_new (int y, int x, int width)
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{
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WHLine *l;
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Widget *w;
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int lines = 1;
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l = g_new (WHLine, 1);
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w = WIDGET (l);
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widget_init (w, y, x, lines, width < 0 ? 1 : width, hline_callback, NULL);
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l->text = NULL;
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l->auto_adjust_cols = (width < 0);
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l->transparent = FALSE;
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return l;
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}
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/* --------------------------------------------------------------------------------------------- */
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void
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hline_set_text (WHLine * l, const char *text)
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{
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g_free (l->text);
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if (text == NULL || *text == '\0')
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l->text = NULL;
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else
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l->text = g_strdup (text);
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widget_draw (WIDGET (l));
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}
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/* --------------------------------------------------------------------------------------------- */
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void
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hline_set_textv (WHLine * l, const char *format, ...)
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{
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va_list args;
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char buf[BUF_1K]; /* FIXME: is it enough? */
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va_start (args, format);
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g_vsnprintf (buf, sizeof (buf), format, args);
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va_end (args);
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hline_set_text (l, buf);
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}
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/* --------------------------------------------------------------------------------------------- */
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