diff options
Diffstat (limited to 'src/console/consoled-session.c')
| -rw-r--r-- | src/console/consoled-session.c | 283 |
1 files changed, 283 insertions, 0 deletions
diff --git a/src/console/consoled-session.c b/src/console/consoled-session.c new file mode 100644 index 0000000000..8bacacab35 --- /dev/null +++ b/src/console/consoled-session.c @@ -0,0 +1,283 @@ +/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ + +/*** + This file is part of systemd. + + Copyright 2014 David Herrmann <dh.herrmann@gmail.com> + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or + (at your option) any later version. + + systemd 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with systemd; If not, see <http://www.gnu.org/licenses/>. +***/ + +#include <errno.h> +#include <inttypes.h> +#include <libudev.h> +#include <stdlib.h> +#include "consoled.h" +#include "grdev.h" +#include "hashmap.h" +#include "idev.h" +#include "list.h" +#include "macro.h" +#include "sd-bus.h" +#include "sd-event.h" +#include "sysview.h" +#include "util.h" + +static bool session_feed_keyboard(Session *s, idev_data *data) { + idev_data_keyboard *kdata = &data->keyboard; + + if (!data->resync && kdata->value == 1 && kdata->n_syms == 1) { + uint32_t nr; + sysview_seat *seat; + + /* handle VT-switch requests */ + nr = 0; + + switch (kdata->keysyms[0]) { + case XKB_KEY_F1 ... XKB_KEY_F12: + if (IDEV_KBDMATCH(kdata, + IDEV_KBDMOD_CTRL | IDEV_KBDMOD_ALT, + kdata->keysyms[0])) + nr = kdata->keysyms[0] - XKB_KEY_F1 + 1; + break; + case XKB_KEY_XF86Switch_VT_1 ... XKB_KEY_XF86Switch_VT_12: + nr = kdata->keysyms[0] - XKB_KEY_XF86Switch_VT_1 + 1; + break; + } + + if (nr != 0) { + seat = sysview_session_get_seat(s->sysview); + sysview_seat_switch_to(seat, nr); + return true; + } + } + + return false; +} + +static bool session_feed(Session *s, idev_data *data) { + switch (data->type) { + case IDEV_DATA_KEYBOARD: + return session_feed_keyboard(s, data); + default: + return false; + } +} + +static int session_idev_fn(idev_session *idev, void *userdata, idev_event *event) { + Session *s = userdata; + + switch (event->type) { + case IDEV_EVENT_DEVICE_ADD: + idev_device_enable(event->device_add.device); + break; + case IDEV_EVENT_DEVICE_REMOVE: + idev_device_disable(event->device_remove.device); + break; + case IDEV_EVENT_DEVICE_DATA: + if (!session_feed(s, &event->device_data.data)) + workspace_feed(s->active_ws, &event->device_data.data); + break; + } + + return 0; +} + +static void session_grdev_fn(grdev_session *grdev, void *userdata, grdev_event *event) { + grdev_display *display; + Session *s = userdata; + Display *d; + int r; + + switch (event->type) { + case GRDEV_EVENT_DISPLAY_ADD: + display = event->display_add.display; + + r = display_new(&d, s, display); + if (r < 0) { + log_error("Cannot create display '%s' on '%s': %s", + grdev_display_get_name(display), sysview_session_get_name(s->sysview), strerror(-r)); + break; + } + + grdev_display_set_userdata(display, d); + workspace_refresh(s->active_ws); + break; + case GRDEV_EVENT_DISPLAY_REMOVE: + display = event->display_remove.display; + d = grdev_display_get_userdata(display); + if (!d) + break; + + display_free(d); + workspace_refresh(s->active_ws); + break; + case GRDEV_EVENT_DISPLAY_CHANGE: + display = event->display_remove.display; + d = grdev_display_get_userdata(display); + if (!d) + break; + + display_refresh(d); + workspace_refresh(s->active_ws); + break; + case GRDEV_EVENT_DISPLAY_FRAME: + display = event->display_remove.display; + d = grdev_display_get_userdata(display); + if (!d) + break; + + session_dirty(s); + break; + } +} + +static int session_redraw_fn(sd_event_source *src, void *userdata) { + Session *s = userdata; + Display *d; + + LIST_FOREACH(displays_by_session, d, s->display_list) + display_render(d, s->active_ws); + + grdev_session_commit(s->grdev); + + return 0; +} + +int session_new(Session **out, Manager *m, sysview_session *session) { + _cleanup_(session_freep) Session *s = NULL; + int r; + + assert(out); + assert(m); + assert(session); + + s = new0(Session, 1); + if (!s) + return -ENOMEM; + + s->manager = m; + s->sysview = session; + + r = grdev_session_new(&s->grdev, + m->grdev, + GRDEV_SESSION_MANAGED, + sysview_session_get_name(session), + session_grdev_fn, + s); + if (r < 0) + return r; + + r = idev_session_new(&s->idev, + m->idev, + IDEV_SESSION_MANAGED, + sysview_session_get_name(session), + session_idev_fn, + s); + if (r < 0) + return r; + + r = workspace_new(&s->my_ws, m); + if (r < 0) + return r; + + s->active_ws = workspace_attach(s->my_ws, s); + + r = sd_event_add_defer(m->event, &s->redraw_src, session_redraw_fn, s); + if (r < 0) + return r; + + grdev_session_enable(s->grdev); + idev_session_enable(s->idev); + + *out = s; + s = NULL; + return 0; +} + +Session *session_free(Session *s) { + if (!s) + return NULL; + + assert(!s->display_list); + + sd_event_source_unref(s->redraw_src); + + workspace_detach(s->active_ws, s); + workspace_unref(s->my_ws); + + idev_session_free(s->idev); + grdev_session_free(s->grdev); + free(s); + + return NULL; +} + +void session_dirty(Session *s) { + int r; + + assert(s); + + r = sd_event_source_set_enabled(s->redraw_src, SD_EVENT_ONESHOT); + if (r < 0) + log_error("Cannot enable redraw-source: %s", strerror(-r)); +} + +void session_add_device(Session *s, sysview_device *device) { + unsigned int type; + + assert(s); + assert(device); + + type = sysview_device_get_type(device); + switch (type) { + case SYSVIEW_DEVICE_DRM: + grdev_session_add_drm(s->grdev, sysview_device_get_ud(device)); + break; + case SYSVIEW_DEVICE_EVDEV: + idev_session_add_evdev(s->idev, sysview_device_get_ud(device)); + break; + } +} + +void session_remove_device(Session *s, sysview_device *device) { + unsigned int type; + + assert(s); + assert(device); + + type = sysview_device_get_type(device); + switch (type) { + case SYSVIEW_DEVICE_DRM: + grdev_session_remove_drm(s->grdev, sysview_device_get_ud(device)); + break; + case SYSVIEW_DEVICE_EVDEV: + idev_session_remove_evdev(s->idev, sysview_device_get_ud(device)); + break; + } +} + +void session_refresh_device(Session *s, sysview_device *device, struct udev_device *ud) { + unsigned int type; + + assert(s); + assert(device); + + type = sysview_device_get_type(device); + switch (type) { + case SYSVIEW_DEVICE_DRM: + grdev_session_hotplug_drm(s->grdev, sysview_device_get_ud(device)); + break; + } +} |