osd-contiki/platform/native/ctk/ctk-curses.c

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/*
* Copyright (c) 2011, Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is part of the Contiki operating system.
*
* Author: François Revol <revol@free.fr>
*/
#include <curses.h>
#include <signal.h>
#include <stdlib.h>
#include <string.h>
#include <term.h>
#include <unistd.h>
#include "contiki.h"
#include "ctk/ctk.h"
#include "ctk-curses.h"
/* references:
* http://math.hws.edu/orr/s04/cpsc225/curses.html
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* http://linux.die.net/man/3/ncurses
* http://linux.die.net/HOWTO/NCURSES-Programming-HOWTO/index.html
*/
#define MKPAIR(bg, fg) (bg << 3 | fg)
static unsigned char width;
static unsigned char height;
static unsigned char color;
static unsigned char reversed;
static ctk_arch_key_t keys[256];
static unsigned char keys_in, keys_out;
static unsigned char available;
static unsigned short xpos;
static unsigned short ypos;
static unsigned char button;
/* map CTK colors to curses colors */
static unsigned char ctk_color_map[8] = {
COLOR_BLACK,
COLOR_RED,
COLOR_GREEN,
COLOR_YELLOW,
COLOR_BLUE,
COLOR_MAGENTA,
COLOR_CYAN,
COLOR_WHITE
};
/*-----------------------------------------------------------------------------------*/
static unsigned char
map_color(unsigned char color)
{
unsigned char c;
c = ctk_color_map[color & 0x0f];
c |= ctk_color_map[(color >> 4) & 0x07] << 4;
return c;
}
/*-----------------------------------------------------------------------------------*/
static void
ctrlhandler(int sig)
{
/* make sure we call console_exit() to leave the terminal in a clean state */
exit(EXIT_SUCCESS);
}
/*-----------------------------------------------------------------------------------*/
void
console_init(void)
{
/* mouse support is ncurses-specific */
#ifdef NCURSES_MOUSE_VERSION
mmask_t oldmask;
#endif
static unsigned char done;
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int bg, fg;
if(done) {
return;
}
done = 1;
initscr();
start_color();
cbreak();
/* don't echo typed characters */
noecho();
/* disable return -> newline translation */
nonl();
/* hide text cursor, CTK draws its own */
curs_set(0);
intrflush(stdscr, FALSE);
keypad(stdscr, TRUE);
#ifdef NCURSES_MOUSE_VERSION
/* done here because ctk_mouse_init() is called before anyway */
mousemask(ALL_MOUSE_EVENTS, &oldmask);
#endif
screensize(&width, &height);
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/* we must declare all possible color pairs */
for(fg = 0; fg < 8; fg++) {
for(bg = 0; bg < 8; bg++) {
init_pair(MKPAIR(bg, fg), fg, bg);
}
}
/* set window title */
putp("\033]0;Contiki\a");
/* don't block on read, just timeout 1ms */
timeout(1);
/* make sure we return the terminal in a clean state */
signal(SIGINT, ctrlhandler);
atexit(console_exit);
}
/*-----------------------------------------------------------------------------------*/
void
console_exit(void)
{
static unsigned char done;
if(done) {
return;
}
done = 1;
revers(0);
clrscr();
gotoxy(0, 0);
endwin();
}
/*-----------------------------------------------------------------------------------*/
unsigned char
console_resize(void)
{
unsigned char new_width;
unsigned char new_height;
screensize(&new_width, &new_height);
if(new_width != width || new_height != height) {
width = new_width;
height = new_height;
return 1;
}
return 0;
}
/*-----------------------------------------------------------------------------------*/
static void
setcolor(void)
{
int bg, fg;
int attrs;
fg = (color & 0x0F);
bg = (color & 0xF0) >> 4;
attrs = COLOR_PAIR(MKPAIR(bg, fg));
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if(reversed) {
attrs |= WA_REVERSE;
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}
attrset(attrs);
}
/*-----------------------------------------------------------------------------------*/
unsigned char
wherex(void)
{
int x, y;
getyx(stdscr, y, x);
(void)y;
return (unsigned char)x;
}
/*-----------------------------------------------------------------------------------*/
unsigned char
wherey(void)
{
int x, y;
getyx(stdscr, y, x);
(void)x;
return (unsigned char)y;
}
/*-----------------------------------------------------------------------------------*/
void
clrscr(void)
{
clear();
}
/*-----------------------------------------------------------------------------------*/
void
bgcolor(unsigned char c)
{
c = map_color(c);
color = ((c << 4) | (color & 0xF0));
/* Presume this to be one of the first calls. */
console_init();
}
/*-----------------------------------------------------------------------------------*/
void
bordercolor(unsigned char c)
{
/* Presume this to be one of the first calls. */
console_init();
}
/*-----------------------------------------------------------------------------------*/
void
screensize(unsigned char *x, unsigned char *y)
{
int mx, my;
getmaxyx(stdscr, my, mx);
*x = (unsigned char)mx;
*y = (unsigned char)my;
}
/*-----------------------------------------------------------------------------------*/
void
revers(unsigned char c)
{
reversed = c;
setcolor();
}
/*-----------------------------------------------------------------------------------*/
void
console_cputc(char c)
{
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char ch = c;
/* usually ACS_* don't fit in a char */
switch (c) {
case CH_ULCORNER:
ch = ACS_ULCORNER;
break;
case CH_LLCORNER:
ch = ACS_LLCORNER;
break;
case CH_URCORNER:
ch = ACS_URCORNER;
break;
case CH_LRCORNER:
ch = ACS_LRCORNER;
break;
default:
break;
}
addch(ch);
refresh();
}
/*-----------------------------------------------------------------------------------*/
void
console_cputs(char *str)
{
addstr(str);
refresh();
}
/*-----------------------------------------------------------------------------------*/
void
cclear(unsigned char length)
{
hline(' ', length);
refresh();
}
/*-----------------------------------------------------------------------------------*/
void
chline(unsigned char length)
{
hline(ACS_HLINE, length);
refresh();
}
/*-----------------------------------------------------------------------------------*/
void
cvline(unsigned char length)
{
vline(ACS_VLINE, length);
}
/*-----------------------------------------------------------------------------------*/
void
gotoxy(unsigned char x, unsigned char y)
{
move(y, x);
}
/*-----------------------------------------------------------------------------------*/
void
cclearxy(unsigned char x, unsigned char y, unsigned char length)
{
gotoxy(x, y);
cclear(length);
}
/*-----------------------------------------------------------------------------------*/
void
chlinexy(unsigned char x, unsigned char y, unsigned char length)
{
gotoxy(x, y);
chline(length);
}
/*-----------------------------------------------------------------------------------*/
void
cvlinexy(unsigned char x, unsigned char y, unsigned char length)
{
gotoxy(x, y);
cvline(length);
}
/*-----------------------------------------------------------------------------------*/
void
cputsxy(unsigned char x, unsigned char y, char *str)
{
gotoxy(x, y);
console_cputs(str);
}
/*-----------------------------------------------------------------------------------*/
void
cputcxy(unsigned char x, unsigned char y, char c)
{
gotoxy(x, y);
console_cputc(c);
}
/*-----------------------------------------------------------------------------------*/
void
textcolor(unsigned char c)
{
color = map_color(c);
setcolor();
}
/*-----------------------------------------------------------------------------------*/
static void
console_readkey(int k)
{
ctk_arch_key_t key;
key = (ctk_arch_key_t) k;
/*fprintf(stderr, "key: %d\n", k); */
switch (k) {
#ifdef NCURSES_MOUSE_VERSION
case KEY_MOUSE:
{
MEVENT event;
if(getmouse(&event) == OK) {
xpos = event.x;
ypos = event.y;
button = event.bstate & BUTTON1_PRESSED
|| event.bstate & BUTTON1_CLICKED
|| event.bstate & BUTTON1_DOUBLE_CLICKED;
/*fprintf(stderr, "mevent: %d: %d, %d, %d, %lx ; %d\n",
event.id, event.x, event.y, event.z, event.bstate, button); */
}
return;
}
#endif
case KEY_LEFT:
key = CH_CURS_LEFT;
break;
case KEY_UP:
key = CH_CURS_UP;
break;
case KEY_RIGHT:
key = CH_CURS_RIGHT;
break;
case KEY_DOWN:
key = CH_CURS_DOWN;
break;
case KEY_F(9): /* Gnome uses F10 as menu trigger now... */
case KEY_F(10):
key = CTK_CONF_MENU_KEY;
break;
case '\r':
case KEY_ENTER:
key = CH_ENTER;
break;
case 127:
case KEY_BACKSPACE:
case KEY_DC:
key = CH_DEL;
break;
case KEY_BTAB:
case KEY_CTAB:
case KEY_PPAGE:
case KEY_PREVIOUS:
key = CTK_CONF_WIDGETUP_KEY;
break;
case KEY_NPAGE:
case KEY_NEXT:
key = CTK_CONF_WIDGETDOWN_KEY;
break;
case KEY_STAB:
case KEY_HOME:
case KEY_END:
key = CTK_CONF_WINDOWSWITCH_KEY;
break;
default:
break;
}
if(key == 0) {
return;
}
memset(keys + keys_in, key, sizeof(ctk_arch_key_t));
keys_in++;
available++;
}
/*-----------------------------------------------------------------------------------*/
static void
console_read(void)
{
int k;
k = getch();
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if(k != ERR) {
console_readkey(k);
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}
}
/*-----------------------------------------------------------------------------------*/
char
ctk_arch_getkey(void)
{
char k;
console_read();
k = keys[keys_out++];
available--;
return k;
}
/*-----------------------------------------------------------------------------------*/
unsigned char
ctk_arch_keyavail(void)
{
console_read();
return available;
}
/*-----------------------------------------------------------------------------------*/
void
ctk_mouse_init(void)
{
}
/*-----------------------------------------------------------------------------------*/
unsigned short
ctk_mouse_x(void)
{
console_read();
return xpos;
}
/*-----------------------------------------------------------------------------------*/
unsigned short
ctk_mouse_y(void)
{
console_read();
return ypos;
}
/*-----------------------------------------------------------------------------------*/
unsigned short
ctk_mouse_xtoc(unsigned short x)
{
return x;
}
/*-----------------------------------------------------------------------------------*/
unsigned short
ctk_mouse_ytoc(unsigned short y)
{
return y;
}
/*-----------------------------------------------------------------------------------*/
unsigned char
ctk_mouse_button(void)
{
console_read();
return button;
}
/*-----------------------------------------------------------------------------------*/
void
ctk_mouse_hide(void)
{
}
/*-----------------------------------------------------------------------------------*/
void
ctk_mouse_show(void)
{
}
/*-----------------------------------------------------------------------------------*/