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/*
Widgets for the Midnight Commander
Copyright (C) 2020-2022
The Free Software Foundation, Inc.
Authors:
Andrew Borodin <aborodin@vmail.ru>, 2020-2022
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 background.c
* \brief Source: WBackground widget (background area of dialog)
*/
#include <config.h>
#include <stdlib.h>
#include "lib/global.h"
#include "lib/tty/tty.h"
#include "lib/tty/color.h"
#include "lib/widget.h"
/*** global variables ****************************************************************************/
/*** file scope macro definitions ****************************************************************/
/*** file scope type declarations ****************************************************************/
/*** file scope variables ************************************************************************/
/* --------------------------------------------------------------------------------------------- */
/*** file scope functions ************************************************************************/
/* --------------------------------------------------------------------------------------------- */
static const int *
background_get_colors (const Widget * w)
{
return &(CONST_BACKGROUND (w)->color);
}
/* --------------------------------------------------------------------------------------------- */
static void
background_adjust (WBackground * b)
{
Widget *w = WIDGET (b);
w->rect = WIDGET (w->owner)->rect;
w->pos_flags |= WPOS_KEEP_ALL;
}
/* --------------------------------------------------------------------------------------------- */
static void
background_draw (const WBackground * b)
{
const Widget *w = CONST_WIDGET (b);
tty_setcolor (b->color);
tty_fill_region (w->rect.y, w->rect.x, w->rect.lines, w->rect.cols, b->pattern);
}
/* --------------------------------------------------------------------------------------------- */
/*** public functions ****************************************************************************/
/* --------------------------------------------------------------------------------------------- */
cb_ret_t
background_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data)
{
WBackground *b = BACKGROUND (w);
switch (msg)
{
case MSG_INIT:
background_adjust (b);
return MSG_HANDLED;
case MSG_DRAW:
background_draw (b);
return MSG_HANDLED;
default:
return widget_default_callback (w, sender, msg, parm, data);
}
}
/* --------------------------------------------------------------------------------------------- */
WBackground *
background_new (int y, int x, int lines, int cols, int color, unsigned char pattern,
widget_cb_fn callback)
{
WRect r = { y, x, lines, cols };
WBackground *b;
Widget *w;
b = g_new (WBackground, 1);
w = WIDGET (b);
widget_init (w, &r, callback != NULL ? callback : background_callback, NULL);
w->get_colors = background_get_colors;
b->color = color;
b->pattern = pattern;
return b;
}
/* --------------------------------------------------------------------------------------------- */
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