forked from enlightenment/efl
333 lines
7.5 KiB
C
333 lines
7.5 KiB
C
#include <sys/stat.h>
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#include <sys/ioctl.h>
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#include <linux/vt.h>
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#include <linux/kd.h>
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#include <linux/major.h>
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#include "ecore_drm_private.h"
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#include "ecore_drm_logind.h"
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#ifndef KDSKBMUTE
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# define KDSKBMUTE 0x4B51
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#endif
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static Ecore_Event_Handler *active_hdl;
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static char *sid;
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static Eina_Bool
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_ecore_drm_logind_cb_vt_switch(void *data, int type EINA_UNUSED, void *event)
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{
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Ecore_Drm_Device *dev;
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Ecore_Event_Key *ev;
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int keycode;
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int vt;
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dev = data;
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ev = event;
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keycode = ev->keycode - 8;
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if ((ev->modifiers & ECORE_EVENT_MODIFIER_CTRL) &&
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(ev->modifiers & ECORE_EVENT_MODIFIER_ALT) &&
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(keycode >= KEY_F1) && (keycode <= KEY_F8))
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{
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vt = (keycode - KEY_F1 + 1);
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if (ioctl(dev->tty.fd, VT_ACTIVATE, vt) < 0)
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ERR("Failed to activate vt: %m");
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}
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return ECORE_CALLBACK_PASS_ON;
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}
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static Eina_Bool
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_ecore_drm_logind_cb_vt_signal(void *data, int type EINA_UNUSED, void *event)
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{
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Ecore_Drm_Device *dev;
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Ecore_Event_Signal_User *ev;
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siginfo_t sigdata;
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dev = data;
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ev = event;
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sigdata = ev->data;
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if (sigdata.si_code != SI_KERNEL) return ECORE_CALLBACK_RENEW;
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if (ev->number == 1)
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{
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if (!ecore_drm_tty_release(dev))
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ERR("Could not release VT: %m");
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}
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else if (ev->number == 2)
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{
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if (!ecore_drm_tty_acquire(dev))
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ERR("Could not acquire VT: %m");
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}
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return ECORE_CALLBACK_PASS_ON;
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}
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static Eina_Bool
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_ecore_drm_logind_cb_activate(void *data, int type EINA_UNUSED, void *event)
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{
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Ecore_Drm_Event_Activate *e;
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Ecore_Drm_Device *dev;
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Ecore_Drm_Output *output;
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Eina_List *l;
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if ((!event) || (!data)) return ECORE_CALLBACK_RENEW;
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e = event;
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dev = data;
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if (e->active)
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{
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/* set output mode */
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EINA_LIST_FOREACH(dev->outputs, l, output)
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ecore_drm_output_enable(output);
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}
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else
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{
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Ecore_Drm_Sprite *sprite;
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/* disable hardware cursor */
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EINA_LIST_FOREACH(dev->outputs, l, output)
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ecore_drm_output_cursor_size_set(output, 0, 0, 0);
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/* disable sprites */
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EINA_LIST_FOREACH(dev->sprites, l, sprite)
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ecore_drm_sprites_fb_set(sprite, 0, 0);
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}
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return ECORE_CALLBACK_PASS_ON;
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}
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static Eina_Bool
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_ecore_drm_logind_tty_setup(Ecore_Drm_Device *dev)
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{
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struct stat st;
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int kmode;
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struct vt_mode vtmode = { 0 };
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if (fstat(dev->tty.fd, &st) == -1)
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{
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ERR("Failed to get stats for tty: %m");
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return EINA_FALSE;
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}
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if (ioctl(dev->tty.fd, KDGETMODE, &kmode))
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{
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ERR("Could not get tty mode: %m");
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return EINA_FALSE;
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}
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if (ioctl(dev->tty.fd, VT_ACTIVATE, minor(st.st_rdev)) < 0)
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{
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ERR("Failed to activate vt: %m");
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return EINA_FALSE;
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}
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if (ioctl(dev->tty.fd, VT_WAITACTIVE, minor(st.st_rdev)) < 0)
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{
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ERR("Failed to wait active: %m");
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return EINA_FALSE;
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}
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/* NB: Don't set this. This Turns OFF keyboard on the VT */
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/* if (ioctl(dev->tty.fd, KDSKBMUTE, 1) && */
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/* ioctl(dev->tty.fd, KDSKBMODE, K_OFF)) */
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/* { */
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/* ERR("Could not set K_OFF keyboard mode: %m"); */
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/* return EINA_FALSE; */
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/* } */
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if (kmode != KD_GRAPHICS)
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{
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if (ioctl(dev->tty.fd, KDSETMODE, KD_GRAPHICS))
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{
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ERR("Could not set graphics mode: %m");
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goto err_kmode;
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}
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}
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vtmode.mode = VT_PROCESS;
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vtmode.waitv = 0;
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vtmode.relsig = SIGUSR1;
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vtmode.acqsig = SIGUSR2;
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if (ioctl(dev->tty.fd, VT_SETMODE, &vtmode) < 0)
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{
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ERR("Could not set Terminal Mode: %m");
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goto err_setmode;
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}
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return EINA_TRUE;
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err_setmode:
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ioctl(dev->tty.fd, KDSETMODE, KD_TEXT);
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err_kmode:
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return EINA_FALSE;
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}
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static Eina_Bool
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_ecore_drm_logind_vt_open(Ecore_Drm_Device *dev, const char *name)
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{
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char tty[32] = "<stdin>";
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/* check for valid device */
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if ((!dev) || (!dev->drm.name)) return EINA_FALSE;
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/* assign default tty fd of -1 */
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dev->tty.fd = -1;
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if (!name)
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{
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char *env;
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if ((env = getenv("ECORE_DRM_TTY")))
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snprintf(tty, sizeof(tty), "%s", env);
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else
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dev->tty.fd = dup(STDIN_FILENO);
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}
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else
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snprintf(tty, sizeof(tty), "%s", name);
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if (dev->tty.fd < 0)
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{
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DBG("Trying to Open Tty: %s", tty);
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dev->tty.fd = open(tty, O_RDWR | O_NOCTTY);
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if (dev->tty.fd < 0)
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{
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DBG("Failed to Open Tty: %m");
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return EINA_FALSE;
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}
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}
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/* save tty name */
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dev->tty.name = eina_stringshare_add(tty);
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/* FIXME */
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if (!_ecore_drm_logind_tty_setup(dev))
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{
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close(dev->tty.fd);
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dev->tty.fd = -1;
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if (dev->tty.name)
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{
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eina_stringshare_del(dev->tty.name);
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dev->tty.name = NULL;
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}
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return EINA_FALSE;
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}
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/* setup handler for signals */
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dev->tty.event_hdlr =
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ecore_event_handler_add(ECORE_EVENT_SIGNAL_USER,
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_ecore_drm_logind_cb_vt_signal, dev);
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/* setup handler for key event of vt switch */
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dev->tty.switch_hdlr =
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ecore_event_handler_add(ECORE_EVENT_KEY_DOWN,
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_ecore_drm_logind_cb_vt_switch, dev);
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active_hdl =
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ecore_event_handler_add(ECORE_DRM_EVENT_ACTIVATE,
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_ecore_drm_logind_cb_activate, dev);
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/* set current tty into env */
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setenv("ECORE_DRM_TTY", tty, 1);
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return EINA_TRUE;
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}
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static void
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_ecore_drm_logind_vt_close(Ecore_Drm_Device *dev)
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{
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struct vt_mode mode = { 0 };
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ioctl(dev->tty.fd, KDSETMODE, KD_TEXT);
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mode.mode = VT_AUTO;
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ioctl(dev->tty.fd, VT_SETMODE, &mode);
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if (dev->tty.event_hdlr) ecore_event_handler_del(dev->tty.event_hdlr);
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dev->tty.event_hdlr = NULL;
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if (dev->tty.switch_hdlr) ecore_event_handler_del(dev->tty.switch_hdlr);
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dev->tty.switch_hdlr = NULL;
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if (dev->tty.name) eina_stringshare_del(dev->tty.name);
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dev->tty.name = NULL;
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unsetenv("ECORE_DRM_TTY");
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}
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Eina_Bool
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_ecore_drm_logind_connect(Ecore_Drm_Device *dev)
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{
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#ifdef HAVE_SYSTEMD
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/* get sd-login properties we need */
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if (sd_pid_get_session(getpid(), &sid) < 0) return EINA_FALSE;
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#endif
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/* try to init dbus */
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if (!_ecore_drm_dbus_init(sid))
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goto dbus_err;
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if (!_ecore_drm_logind_vt_open(dev, NULL))
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goto vt_err;
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return EINA_TRUE;
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vt_err:
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_ecore_drm_dbus_shutdown();
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dbus_err:
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free(sid);
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return EINA_FALSE;
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}
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void
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_ecore_drm_logind_disconnect(Ecore_Drm_Device *dev)
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{
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_ecore_drm_logind_vt_close(dev);
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_ecore_drm_dbus_shutdown();
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if (active_hdl)
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{
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ecore_event_handler_del(active_hdl);
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active_hdl = NULL;
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}
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}
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Eina_Bool
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_ecore_drm_logind_device_open(const char *device, Ecore_Drm_Open_Cb callback, void *data)
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{
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struct stat st;
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if (stat(device, &st) < 0) return EINA_FALSE;
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if (!S_ISCHR(st.st_mode)) return EINA_FALSE;
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if (_ecore_drm_dbus_device_take(major(st.st_rdev), minor(st.st_rdev),
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callback, data) < 0)
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return EINA_FALSE;
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return EINA_TRUE;
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}
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int
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_ecore_drm_logind_device_open_no_pending(const char *device)
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{
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struct stat st;
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if (stat(device, &st) < 0) return EINA_FALSE;
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if (!S_ISCHR(st.st_mode)) return EINA_FALSE;
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return _ecore_drm_dbus_device_take_no_pending(major(st.st_rdev), minor(st.st_rdev), NULL, -1);
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}
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void
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_ecore_drm_logind_device_close(const char *device)
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{
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struct stat st;
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if (stat(device, &st) < 0) return;
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if (!S_ISCHR(st.st_mode)) return;
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_ecore_drm_dbus_device_release(major(st.st_rdev), minor(st.st_rdev));
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}
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