diff options
Diffstat (limited to 'compositor/tty.c')
| -rw-r--r-- | compositor/tty.c | 160 |
1 files changed, 0 insertions, 160 deletions
diff --git a/compositor/tty.c b/compositor/tty.c deleted file mode 100644 index 0de7584..0000000 --- a/compositor/tty.c +++ /dev/null @@ -1,160 +0,0 @@ -/* - * Copyright © 2010 Intel Corporation - * - * Permission to use, copy, modify, distribute, and sell this software and - * its documentation for any purpose is hereby granted without fee, provided - * that the above copyright notice appear in all copies and that both that - * copyright notice and this permission notice appear in supporting - * documentation, and that the name of the copyright holders not be used in - * advertising or publicity pertaining to distribution of the software - * without specific, written prior permission. The copyright holders make - * no representations about the suitability of this software for any - * purpose. It is provided "as is" without express or implied warranty. - * - * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS - * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND - * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY - * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER - * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF - * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -#include <termios.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> -#include <fcntl.h> -#include <signal.h> -#include <linux/kd.h> -#include <linux/vt.h> -#include <sys/ioctl.h> - -#include "compositor.h" - -struct tty { - struct wlsc_compositor *compositor; - int fd; - struct termios terminal_attributes; - - struct wl_event_source *input_source; - struct wl_event_source *enter_vt_source; - struct wl_event_source *leave_vt_source; -}; - -static void on_enter_vt(int signal_number, void *data) -{ - struct tty *tty = data; - int ret; - - fprintf(stderr, "enter vt\n"); - - ioctl(tty->fd, VT_RELDISP, VT_ACKACQ); - ret = ioctl(tty->fd, KDSETMODE, KD_GRAPHICS); - if (ret) - fprintf(stderr, "failed to set KD_GRAPHICS mode on console: %m\n"); -} - -static void on_leave_vt(int signal_number, void *data) -{ - struct tty *tty = data; - int ret; - - ioctl (tty->fd, VT_RELDISP, 1); - ret = ioctl(tty->fd, KDSETMODE, KD_TEXT); - if (ret) - fprintf(stderr, - "failed to set KD_TEXT mode on console: %m\n"); -} - -static void -on_tty_input(int fd, uint32_t mask, void *data) -{ - struct tty *tty = data; - - /* Ignore input to tty. We get keyboard events from evdev - */ - tcflush(tty->fd, TCIFLUSH); -} - -struct tty * -tty_create(struct wlsc_compositor *compositor) -{ - struct termios raw_attributes; - struct vt_mode mode = { 0 }; - int ret; - struct tty *tty; - struct wl_event_loop *loop; - - tty = malloc(sizeof *tty); - if (tty == NULL) - return NULL; - - memset(tty, 0, sizeof *tty); - tty->compositor = compositor; - tty->fd = open("/dev/tty0", O_RDWR | O_NOCTTY); - if (tty->fd <= 0) { - fprintf(stderr, "failed to open active tty: %m\n"); - return NULL; - } - - if (tcgetattr(tty->fd, &tty->terminal_attributes) < 0) { - fprintf(stderr, "could not get terminal attributes: %m\n"); - return NULL; - } - - /* Ignore control characters and disable echo */ - raw_attributes = tty->terminal_attributes; - cfmakeraw(&raw_attributes); - - /* Fix up line endings to be normal (cfmakeraw hoses them) */ - raw_attributes.c_oflag |= OPOST | OCRNL; - - if (tcsetattr(tty->fd, TCSANOW, &raw_attributes) < 0) - fprintf(stderr, "could not put terminal into raw mode: %m\n"); - - loop = wl_display_get_event_loop(compositor->wl_display); - tty->input_source = - wl_event_loop_add_fd(loop, tty->fd, - WL_EVENT_READABLE, on_tty_input, tty); - - ret = ioctl(tty->fd, KDSETMODE, KD_GRAPHICS); - if (ret) { - fprintf(stderr, "failed to set KD_GRAPHICS mode on tty: %m\n"); - return NULL; - } - - tty->compositor->focus = 1; - mode.mode = VT_PROCESS; - mode.relsig = SIGUSR1; - mode.acqsig = SIGUSR2; - if (!ioctl(tty->fd, VT_SETMODE, &mode) < 0) { - fprintf(stderr, "failed to take control of vt handling\n"); - return NULL; - } - - tty->leave_vt_source = - wl_event_loop_add_signal(loop, SIGUSR1, on_leave_vt, tty); - tty->enter_vt_source = - wl_event_loop_add_signal(loop, SIGUSR2, on_enter_vt, tty); - - return tty; -} - -void -tty_destroy(struct tty *tty) -{ - if(!tty) - return; - - if (ioctl(tty->fd, KDSETMODE, KD_TEXT)) - fprintf(stderr, - "failed to set KD_TEXT mode on tty: %m\n"); - - if (tcsetattr(tty->fd, TCSANOW, &tty->terminal_attributes) < 0) - fprintf(stderr, - "could not restore terminal to canonical mode\n"); - - free(tty); -} |