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/*
winnie - an experimental window system
Copyright (C) 2013 Eleni Maria Stea
This program 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.
This program 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/>.
Author: Eleni Maria Stea <elene.mst@gmail.com>
*/
#ifdef WINNIE_FBDEV
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <termios.h>
#include <unistd.h>
#include "keyboard.h"
#include "shalloc.h"
#include "window.h"
#include "winnie.h"
#include "wm.h"
struct Keyboard {
int dev_fd;
enum {RAW, CANONICAL} ttystate;
};
static Keyboard *keyboard;
bool init_keyboard()
{
if(!(keyboard = (Keyboard*)sh_malloc(sizeof *keyboard))) {
return false;
}
get_subsys()->keyboard_offset = (int)((char*)keyboard - (char*)get_pool());
keyboard->ttystate = keyboard->CANONICAL;
keyboard->dev_fd = -1;
if((keyboard->dev_fd = open("/dev/tty", O_RDWR)) == -1) {
fprintf(stderr, "Cannot open /dev/tty : %s\n", strerror(errno));
return false;
}
struct termios buf;
if(tcgetattr(keyboard->dev_fd, &buf) < 0) {
fprintf(stderr, "Cannot get the tty parameters : %s\n", strerror(errno));
return false;
}
buf.c_lflag &= ~(ECHO | ICANON | IEXTEN | ISIG);
buf.c_iflag &= ~(BRKINT | ICRNL | INPCK | ISTRIP | IXON);
buf.c_cflag &= ~(CSIZE | PARENB);
buf.c_cflag |= CS8;
buf.c_oflag &= ~(OPOST);
if(tcsetattr(keyboard->dev_fd, TCSAFLUSH, &buf) < 0) {
return false;
}
keyboard->ttystate = keyboard->RAW;
return true;
}
void destroy_keyboard()
{
struct termios buf;
if(tcgetattr(keyboard->dev_fd, &buf) < 0) {
fprintf(stderr, "Cannot get the tty parameters : %s\n", strerror(errno));
}
buf.c_lflag |= (ECHO | ICANON | IEXTEN | ISIG);
buf.c_iflag |= (BRKINT | ICRNL | INPCK | ISTRIP | IXON);
buf.c_cflag |= (CSIZE | PARENB);
buf.c_cflag &= CS8;
buf.c_oflag |= (OPOST);
if(tcsetattr(keyboard->dev_fd, TCSAFLUSH, &buf) < 0) {
fprintf(stderr, "Cannot set the tty parameters : %s\n", strerror(errno));
}
keyboard->ttystate = keyboard->CANONICAL;
if(keyboard->dev_fd != -1) {
close(keyboard->dev_fd);
keyboard->dev_fd = -1;
}
sh_free(keyboard);
}
bool client_open_keyboard(void *smem_start, int offset)
{
keyboard = (Keyboard*)((unsigned char*)smem_start + offset);
return true;
}
void client_close_keyboard()
{
}
int get_keyboard_fd()
{
return keyboard->dev_fd;
}
void process_keyboard_event()
{
char key;
if(read(keyboard->dev_fd, &key, 1) < 1) {
return;
}
if(key == 'q') {
exit(0);
}
Window *focused_win = wm->get_focused_window();
if(focused_win) {
KeyboardFuncType keyb_callback = focused_win->get_keyboard_callback();
if(keyb_callback) {
keyb_callback(focused_win, key, true); //TODO: true??
}
}
/* TODO:
* - handle system-wide key combinations (alt-tab?)
* - otherwise send keypress/release to focused window
*/
}
#endif // WINNIE_FBDEV
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