| /*-*- 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; |
| } |
| } |