diff options
Diffstat (limited to 'src/backends/meta-input-mapper.c')
| -rw-r--r-- | src/backends/meta-input-mapper.c | 986 |
1 files changed, 0 insertions, 986 deletions
diff --git a/src/backends/meta-input-mapper.c b/src/backends/meta-input-mapper.c deleted file mode 100644 index ffbe2dd37..000000000 --- a/src/backends/meta-input-mapper.c +++ /dev/null @@ -1,986 +0,0 @@ -/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */ -/* - * Copyright 2018 Red Hat, Inc. - * - * 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 2 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: Carlos Garnacho <carlosg@gnome.org> - */ - -#include "config.h" - -#ifdef HAVE_LIBGUDEV -#include <gudev/gudev.h> -#endif - -#include "backends/meta-input-device-private.h" -#include "meta-input-mapper-private.h" -#include "meta-monitor-manager-private.h" -#include "meta-logical-monitor.h" -#include "meta-backend-private.h" - -#define MAX_SIZE_MATCH_DIFF 0.05 - -typedef struct _MetaMapperInputInfo MetaMapperInputInfo; -typedef struct _MetaMapperOutputInfo MetaMapperOutputInfo; -typedef struct _MappingHelper MappingHelper; -typedef struct _DeviceCandidates DeviceCandidates; -typedef struct _DeviceMatch DeviceMatch; - -struct _MetaInputMapper -{ - GObject parent_instance; - MetaMonitorManager *monitor_manager; - ClutterSeat *seat; - GHashTable *input_devices; /* ClutterInputDevice -> MetaMapperInputInfo */ - GHashTable *output_devices; /* MetaLogicalMonitor -> MetaMapperOutputInfo */ -#ifdef HAVE_LIBGUDEV - GUdevClient *udev_client; -#endif -}; - -typedef enum -{ - META_INPUT_CAP_TOUCH = 1 << 0, /* touch device, either touchscreen or tablet */ - META_INPUT_CAP_STYLUS = 1 << 1, /* tablet pen */ - META_INPUT_CAP_ERASER = 1 << 2, /* tablet eraser */ - META_INPUT_CAP_PAD = 1 << 3, /* pad device, most usually in tablets */ - META_INPUT_CAP_CURSOR = 1 << 4 /* pointer-like device in tablets */ -} MetaInputCapabilityFlags; - -typedef enum -{ - META_MATCH_EDID_VENDOR, /* EDID vendor match, eg. "WAC" for Wacom */ - META_MATCH_EDID_PARTIAL, /* Partial EDID model match, eg. "Cintiq" */ - META_MATCH_EDID_FULL, /* Full EDID model match, eg. "Cintiq 12WX" */ - META_MATCH_SIZE, /* Size from input device and output match */ - META_MATCH_IS_BUILTIN, /* Output is builtin, applies mainly to system-integrated devices */ - META_MATCH_CONFIG, /* Specified by config */ - N_OUTPUT_MATCHES -} MetaOutputMatchType; - -struct _MetaMapperInputInfo -{ - ClutterInputDevice *device; - MetaInputMapper *mapper; - MetaMapperOutputInfo *output; - GSettings *settings; - guint builtin : 1; -}; - -struct _MetaMapperOutputInfo -{ - MetaLogicalMonitor *logical_monitor; - GList *input_devices; - MetaInputCapabilityFlags attached_caps; -}; - -struct _MappingHelper -{ - GArray *device_maps; -}; - -struct _DeviceMatch -{ - MetaMonitor *monitor; - uint32_t score; -}; - -struct _DeviceCandidates -{ - MetaMapperInputInfo *input; - - GArray *matches; /* Array of DeviceMatch */ - - int best; -}; - -enum -{ - DEVICE_MAPPED, - DEVICE_ENABLED, - DEVICE_ASPECT_RATIO, - N_SIGNALS -}; - -static guint signals[N_SIGNALS] = { 0, }; - -static void mapper_output_info_remove_input (MetaMapperOutputInfo *output, - MetaMapperInputInfo *input); - -static void mapper_recalculate_input (MetaInputMapper *mapper, - MetaMapperInputInfo *input); - -G_DEFINE_TYPE (MetaInputMapper, meta_input_mapper, G_TYPE_OBJECT) - -static GSettings * -get_device_settings (ClutterInputDevice *device) -{ - const char *group, *schema, *vendor, *product; - ClutterInputDeviceType type; - GSettings *settings; - char *path; - - type = clutter_input_device_get_device_type (device); - - if (type == CLUTTER_TOUCHSCREEN_DEVICE) - { - group = "touchscreens"; - schema = "org.gnome.desktop.peripherals.touchscreen"; - } - else if (type == CLUTTER_TABLET_DEVICE || - type == CLUTTER_PEN_DEVICE || - type == CLUTTER_ERASER_DEVICE || - type == CLUTTER_CURSOR_DEVICE || - type == CLUTTER_PAD_DEVICE) - { - group = "tablets"; - schema = "org.gnome.desktop.peripherals.tablet"; - } - else - { - return NULL; - } - - vendor = clutter_input_device_get_vendor_id (device); - product = clutter_input_device_get_product_id (device); - path = g_strdup_printf ("/org/gnome/desktop/peripherals/%s/%s:%s/", - group, vendor, product); - - settings = g_settings_new_with_path (schema, path); - g_free (path); - - return settings; -} - -static void -settings_output_changed_cb (GSettings *settings, - const char *key, - MetaMapperInputInfo *info) -{ - if (info->output != NULL) - mapper_output_info_remove_input (info->output, info); - - mapper_recalculate_input (info->mapper, info); -} - -static MetaMapperInputInfo * -mapper_input_info_new (ClutterInputDevice *device, - MetaInputMapper *mapper) -{ - MetaMapperInputInfo *info; - - info = g_new0 (MetaMapperInputInfo, 1); - info->mapper = mapper; - info->device = device; - info->settings = get_device_settings (device); - - g_signal_connect (info->settings, "changed::output", - G_CALLBACK (settings_output_changed_cb), info); - - return info; -} - -static void -mapper_input_info_free (MetaMapperInputInfo *info) -{ - g_signal_handlers_disconnect_by_func (info->settings, settings_output_changed_cb, info); - g_object_unref (info->settings); - g_free (info); -} - -static MetaMapperOutputInfo * -mapper_output_info_new (MetaLogicalMonitor *logical_monitor) -{ - MetaMapperOutputInfo *info; - - info = g_new0 (MetaMapperOutputInfo, 1); - info->logical_monitor = logical_monitor; - - return info; -} - -static void -mapper_output_info_free (MetaMapperOutputInfo *info) -{ - g_free (info); -} - -static MetaInputCapabilityFlags -mapper_input_info_get_caps (MetaMapperInputInfo *info) -{ - ClutterInputDeviceType type; - - type = clutter_input_device_get_device_type (info->device); - - switch (type) - { - case CLUTTER_TOUCHSCREEN_DEVICE: - return META_INPUT_CAP_TOUCH; - case CLUTTER_TABLET_DEVICE: - case CLUTTER_PEN_DEVICE: - return META_INPUT_CAP_STYLUS; - case CLUTTER_ERASER_DEVICE: - return META_INPUT_CAP_ERASER; - case CLUTTER_CURSOR_DEVICE: - return META_INPUT_CAP_CURSOR; - case CLUTTER_PAD_DEVICE: - return META_INPUT_CAP_PAD; - default: - return 0; - } -} - -static void -mapper_input_info_set_output (MetaMapperInputInfo *input, - MetaMapperOutputInfo *output, - MetaMonitor *monitor) -{ - MetaInputMapper *mapper = input->mapper; - float matrix[6] = { 1, 0, 0, 0, 1, 0 }; - double aspect_ratio; - int width, height; - - if (input->output == output) - return; - - input->output = output; - - if (output && monitor) - { - meta_monitor_manager_get_monitor_matrix (mapper->monitor_manager, - monitor, - output->logical_monitor, - matrix); - meta_monitor_get_current_resolution (monitor, &width, &height); - } - else - { - meta_monitor_manager_get_screen_size (mapper->monitor_manager, - &width, &height); - } - - aspect_ratio = (double) width / height; - - g_signal_emit (input->mapper, signals[DEVICE_MAPPED], 0, - input->device, matrix); - g_signal_emit (input->mapper, signals[DEVICE_ASPECT_RATIO], 0, - input->device, aspect_ratio); -} - -static void -mapper_output_info_add_input (MetaMapperOutputInfo *output, - MetaMapperInputInfo *input, - MetaMonitor *monitor) -{ - g_assert (input->output == NULL); - - output->input_devices = g_list_prepend (output->input_devices, input); - output->attached_caps |= mapper_input_info_get_caps (input); - - mapper_input_info_set_output (input, output, monitor); -} - -static void -mapper_output_info_remove_input (MetaMapperOutputInfo *output, - MetaMapperInputInfo *input) -{ - GList *l; - - g_assert (input->output == output); - - output->input_devices = g_list_remove (output->input_devices, input); - output->attached_caps = 0; - - for (l = output->input_devices; l; l = l->next) - output->attached_caps |= mapper_input_info_get_caps (l->data); - - mapper_input_info_set_output (input, NULL, NULL); -} - -static void -mapper_output_info_clear_inputs (MetaMapperOutputInfo *output) -{ - while (output->input_devices) - { - MetaMapperInputInfo *input = output->input_devices->data; - - mapper_input_info_set_output (input, NULL, NULL); - output->input_devices = g_list_remove (output->input_devices, input); - } - - output->attached_caps = 0; -} - -static void -clear_candidates (DeviceCandidates *candidates) -{ - g_clear_pointer (&candidates->matches, g_array_unref); -} - -static void -mapping_helper_init (MappingHelper *helper) -{ - helper->device_maps = g_array_new (FALSE, FALSE, sizeof (DeviceCandidates)); - g_array_set_clear_func (helper->device_maps, - (GDestroyNotify) clear_candidates); -} - -static void -mapping_helper_release (MappingHelper *helper) -{ - g_array_unref (helper->device_maps); -} - -static gboolean -match_edid (MetaMapperInputInfo *input, - MetaMonitor *monitor, - MetaOutputMatchType *match_type) -{ - const gchar *dev_name; - - dev_name = clutter_input_device_get_device_name (input->device); - - if (strcasestr (dev_name, meta_monitor_get_vendor (monitor)) == NULL) - return FALSE; - - *match_type = META_MATCH_EDID_VENDOR; - - if (strcasestr (dev_name, meta_monitor_get_product (monitor)) != NULL) - { - *match_type = META_MATCH_EDID_FULL; - } - else - { - int i; - g_auto (GStrv) split = NULL; - - split = g_strsplit (meta_monitor_get_product (monitor), " ", -1); - - for (i = 0; split[i]; i++) - { - if (strcasestr (dev_name, split[i]) != NULL) - { - *match_type = META_MATCH_EDID_PARTIAL; - break; - } - } - } - - return TRUE; -} - -static gboolean -input_device_get_physical_size (MetaInputMapper *mapper, - ClutterInputDevice *device, - double *width, - double *height) -{ -#ifdef HAVE_LIBGUDEV - g_autoptr (GUdevDevice) udev_device = NULL; - const char *node; - - node = clutter_input_device_get_device_node (device); - if (!node) - return FALSE; - - udev_device = g_udev_client_query_by_device_file (mapper->udev_client, node); - - if (udev_device && - g_udev_device_has_property (udev_device, "ID_INPUT_WIDTH_MM")) - { - *width = g_udev_device_get_property_as_double (udev_device, - "ID_INPUT_WIDTH_MM"); - *height = g_udev_device_get_property_as_double (udev_device, - "ID_INPUT_HEIGHT_MM"); - return TRUE; - } -#endif - - return FALSE; -} - -static gboolean -match_size (MetaMapperInputInfo *input, - MetaMonitor *monitor) -{ - double w_diff, h_diff; - int o_width, o_height; - double i_width, i_height; - - if (!input_device_get_physical_size (input->mapper, input->device, - &i_width, &i_height)) - return FALSE; - - meta_monitor_get_physical_dimensions (monitor, &o_width, &o_height); - w_diff = ABS (1 - ((double) o_width / i_width)); - h_diff = ABS (1 - ((double) o_height / i_height)); - - return w_diff < MAX_SIZE_MATCH_DIFF && h_diff < MAX_SIZE_MATCH_DIFF; -} - -static gboolean -match_builtin (MetaInputMapper *mapper, - MetaMonitor *monitor) -{ - return monitor == meta_monitor_manager_get_laptop_panel (mapper->monitor_manager); -} - -static gboolean -match_config (MetaMapperInputInfo *info, - MetaMonitor *monitor) -{ - gboolean match = FALSE; - char **edid; - guint n_values; - - edid = g_settings_get_strv (info->settings, "output"); - n_values = g_strv_length (edid); - - if (n_values != 3) - { - g_warning ("EDID configuration for device '%s' " - "is incorrect, must have 3 values", - clutter_input_device_get_device_name (info->device)); - goto out; - } - - if (!*edid[0] && !*edid[1] && !*edid[2]) - goto out; - - match = (g_strcmp0 (meta_monitor_get_vendor (monitor), edid[0]) == 0 && - g_strcmp0 (meta_monitor_get_product (monitor), edid[1]) == 0 && - g_strcmp0 (meta_monitor_get_serial (monitor), edid[2]) == 0); - - out: - g_strfreev (edid); - - return match; -} - -static int -sort_by_score (DeviceMatch *match1, - DeviceMatch *match2) -{ - return (int) match1->score - match2->score; -} - -static void -guess_candidates (MetaInputMapper *mapper, - MetaMapperInputInfo *input, - DeviceCandidates *info) -{ - GList *monitors, *l; - gboolean builtin = FALSE; - gboolean integrated = TRUE; - -#ifdef HAVE_LIBWACOM - if (clutter_input_device_get_device_type (input->device) != CLUTTER_TOUCHSCREEN_DEVICE) - { - WacomDevice *wacom_device; - WacomIntegrationFlags flags = 0; - - wacom_device = - meta_input_device_get_wacom_device (META_INPUT_DEVICE (input->device)); - - if (wacom_device) - { - flags = libwacom_get_integration_flags (wacom_device); - - integrated = (flags & (WACOM_DEVICE_INTEGRATED_SYSTEM | - WACOM_DEVICE_INTEGRATED_DISPLAY)) != 0; - builtin = (flags & WACOM_DEVICE_INTEGRATED_SYSTEM) != 0; - } - } -#endif - - monitors = meta_monitor_manager_get_monitors (mapper->monitor_manager); - - for (l = monitors; l; l = l->next) - { - MetaOutputMatchType edid_match; - DeviceMatch match = { l->data, 0 }; - - g_assert (META_IS_MONITOR (l->data)); - - if (match_edid (input, l->data, &edid_match)) - match.score |= 1 << edid_match; - - if (integrated && match_size (input, l->data)) - match.score |= 1 << META_MATCH_SIZE; - - if (builtin && match_builtin (mapper, l->data)) - match.score |= 1 << META_MATCH_IS_BUILTIN; - - if (match_config (input, l->data)) - match.score |= 1 << META_MATCH_CONFIG; - - if (match.score > 0) - g_array_append_val (info->matches, match); - } - - if (info->matches->len == 0) - { - DeviceMatch match = { 0 }; - - match.monitor = - meta_monitor_manager_get_laptop_panel (mapper->monitor_manager); - - if (match.monitor != NULL) - g_array_append_val (info->matches, match); - - info->best = 0; - } - else - { - DeviceMatch *best; - - g_array_sort (info->matches, (GCompareFunc) sort_by_score); - best = &g_array_index (info->matches, DeviceMatch, 0); - info->best = best->score; - } -} - -static void -mapping_helper_add (MappingHelper *helper, - MetaMapperInputInfo *input, - MetaInputMapper *mapper) -{ - DeviceCandidates info = { 0, }; - guint i, pos = 0; - - info.input = input; - info.matches = g_array_new (FALSE, TRUE, sizeof (DeviceMatch)); - - guess_candidates (mapper, input, &info); - - for (i = 0; i < helper->device_maps->len; i++) - { - DeviceCandidates *elem; - - elem = &g_array_index (helper->device_maps, DeviceCandidates, i); - - if (elem->best > info.best) - pos = i; - } - - if (pos >= helper->device_maps->len) - g_array_append_val (helper->device_maps, info); - else - g_array_insert_val (helper->device_maps, pos, info); -} - -static void -mapping_helper_apply (MappingHelper *helper, - MetaInputMapper *mapper) -{ - guint i, j; - - /* Now, decide which input claims which output */ - for (i = 0; i < helper->device_maps->len; i++) - { - DeviceCandidates *info; - - info = &g_array_index (helper->device_maps, DeviceCandidates, i); - g_debug ("Applying mapping %d to input device '%s', capabilities %x", i, - clutter_input_device_get_device_name (info->input->device), - mapper_input_info_get_caps (info->input)); - - for (j = 0; j < info->matches->len; j++) - { - MetaLogicalMonitor *logical_monitor; - MetaMapperOutputInfo *output; - MetaMonitor *monitor; - DeviceMatch *match; - - match = &g_array_index (info->matches, DeviceMatch, j); - g_debug ("Output candidate '%s', score %x", - meta_monitor_get_display_name (match->monitor), - match->score); - - monitor = match->monitor; - logical_monitor = meta_monitor_get_logical_monitor (monitor); - output = g_hash_table_lookup (mapper->output_devices, - logical_monitor); - - if (!output) - continue; - - if (output->attached_caps & mapper_input_info_get_caps (info->input)) - continue; - - g_debug ("Matched input '%s' with output '%s'", - clutter_input_device_get_device_name (info->input->device), - meta_monitor_get_display_name (match->monitor)); - mapper_output_info_add_input (output, info->input, monitor); - break; - } - } -} - -static void -mapper_recalculate_candidates (MetaInputMapper *mapper) -{ - MetaMapperInputInfo *input; - MappingHelper helper; - GHashTableIter iter; - - mapping_helper_init (&helper); - g_hash_table_iter_init (&iter, mapper->input_devices); - - while (g_hash_table_iter_next (&iter, NULL, (gpointer *) &input)) - mapping_helper_add (&helper, input, mapper); - - mapping_helper_apply (&helper, mapper); - mapping_helper_release (&helper); -} - -static void -mapper_recalculate_input (MetaInputMapper *mapper, - MetaMapperInputInfo *input) -{ - MappingHelper helper; - - mapping_helper_init (&helper); - mapping_helper_add (&helper, input, mapper); - mapping_helper_apply (&helper, mapper); - mapping_helper_release (&helper); -} - -static void -mapper_update_outputs (MetaInputMapper *mapper) -{ - MetaMapperOutputInfo *output; - GList *logical_monitors, *l; - GHashTableIter iter; - - g_hash_table_iter_init (&iter, mapper->output_devices); - - while (g_hash_table_iter_next (&iter, NULL, (gpointer *) &output)) - { - mapper_output_info_clear_inputs (output); - g_hash_table_iter_remove (&iter); - } - - logical_monitors = - meta_monitor_manager_get_logical_monitors (mapper->monitor_manager); - - for (l = logical_monitors; l; l = l->next) - { - MetaLogicalMonitor *logical_monitor = l->data; - MetaMapperOutputInfo *info; - - info = mapper_output_info_new (logical_monitor); - g_hash_table_insert (mapper->output_devices, logical_monitor, info); - } - - mapper_recalculate_candidates (mapper); -} - -static void -input_mapper_monitors_changed_cb (MetaMonitorManager *monitor_manager, - MetaInputMapper *mapper) -{ - mapper_update_outputs (mapper); -} - -static void -input_mapper_power_save_mode_changed_cb (MetaMonitorManager *monitor_manager, - MetaInputMapper *mapper) -{ - ClutterInputDevice *device; - MetaLogicalMonitor *logical_monitor; - MetaMonitor *builtin; - MetaPowerSave power_save_mode; - gboolean on; - - power_save_mode = - meta_monitor_manager_get_power_save_mode (mapper->monitor_manager); - on = power_save_mode == META_POWER_SAVE_ON; - - builtin = meta_monitor_manager_get_laptop_panel (monitor_manager); - if (!builtin) - return; - - logical_monitor = meta_monitor_get_logical_monitor (builtin); - if (!logical_monitor) - return; - - device = - meta_input_mapper_get_logical_monitor_device (mapper, - logical_monitor, - CLUTTER_TOUCHSCREEN_DEVICE); - if (!device) - return; - - g_signal_emit (mapper, signals[DEVICE_ENABLED], 0, device, on); -} - -static void -input_mapper_device_removed_cb (ClutterSeat *seat, - ClutterInputDevice *device, - MetaInputMapper *mapper) -{ - meta_input_mapper_remove_device (mapper, device); -} - -static void -meta_input_mapper_finalize (GObject *object) -{ - MetaInputMapper *mapper = META_INPUT_MAPPER (object); - - g_signal_handlers_disconnect_by_func (mapper->monitor_manager, - input_mapper_monitors_changed_cb, - mapper); - g_signal_handlers_disconnect_by_func (mapper->seat, - input_mapper_device_removed_cb, - mapper); - - g_hash_table_unref (mapper->input_devices); - g_hash_table_unref (mapper->output_devices); -#ifdef HAVE_LIBGUDEV - g_clear_object (&mapper->udev_client); -#endif - - G_OBJECT_CLASS (meta_input_mapper_parent_class)->finalize (object); -} - -static void -meta_input_mapper_constructed (GObject *object) -{ -#ifdef HAVE_LIBGUDEV - const char *udev_subsystems[] = { "input", NULL }; -#endif - MetaInputMapper *mapper = META_INPUT_MAPPER (object); - MetaBackend *backend; - - G_OBJECT_CLASS (meta_input_mapper_parent_class)->constructed (object); - -#ifdef HAVE_LIBGUDEV - mapper->udev_client = g_udev_client_new (udev_subsystems); -#endif - - mapper->seat = clutter_backend_get_default_seat (clutter_get_default_backend ()); - g_signal_connect (mapper->seat, "device-removed", - G_CALLBACK (input_mapper_device_removed_cb), mapper); - - backend = meta_get_backend (); - mapper->monitor_manager = meta_backend_get_monitor_manager (backend); - g_signal_connect (mapper->monitor_manager, "monitors-changed-internal", - G_CALLBACK (input_mapper_monitors_changed_cb), mapper); - g_signal_connect (mapper->monitor_manager, "power-save-mode-changed", - G_CALLBACK (input_mapper_power_save_mode_changed_cb), - mapper); - - mapper_update_outputs (mapper); -} - -static void -meta_input_mapper_class_init (MetaInputMapperClass *klass) -{ - GObjectClass *object_class = G_OBJECT_CLASS (klass); - - object_class->constructed = meta_input_mapper_constructed; - object_class->finalize = meta_input_mapper_finalize; - - signals[DEVICE_MAPPED] = - g_signal_new ("device-mapped", - G_TYPE_FROM_CLASS (object_class), - G_SIGNAL_RUN_LAST, - 0, - NULL, NULL, NULL, - G_TYPE_NONE, 2, - CLUTTER_TYPE_INPUT_DEVICE, - G_TYPE_POINTER); - signals[DEVICE_ENABLED] = - g_signal_new ("device-enabled", - G_TYPE_FROM_CLASS (object_class), - G_SIGNAL_RUN_LAST, - 0, - NULL, NULL, NULL, - G_TYPE_NONE, 2, - CLUTTER_TYPE_INPUT_DEVICE, - G_TYPE_BOOLEAN); - signals[DEVICE_ASPECT_RATIO] = - g_signal_new ("device-aspect-ratio", - G_TYPE_FROM_CLASS (object_class), - G_SIGNAL_RUN_LAST, - 0, - NULL, NULL, NULL, - G_TYPE_NONE, 2, - CLUTTER_TYPE_INPUT_DEVICE, - G_TYPE_DOUBLE); -} - -static void -meta_input_mapper_init (MetaInputMapper *mapper) -{ - mapper->input_devices = - g_hash_table_new_full (NULL, NULL, NULL, - (GDestroyNotify) mapper_input_info_free); - mapper->output_devices = - g_hash_table_new_full (NULL, NULL, NULL, - (GDestroyNotify) mapper_output_info_free); -} - -MetaInputMapper * -meta_input_mapper_new (void) -{ - return g_object_new (META_TYPE_INPUT_MAPPER, NULL); -} - -void -meta_input_mapper_add_device (MetaInputMapper *mapper, - ClutterInputDevice *device) -{ - MetaMapperInputInfo *info; - - g_return_if_fail (mapper != NULL); - g_return_if_fail (device != NULL); - - if (g_hash_table_contains (mapper->input_devices, device)) - return; - - info = mapper_input_info_new (device, mapper); - g_hash_table_insert (mapper->input_devices, device, info); - mapper_recalculate_input (mapper, info); -} - -void -meta_input_mapper_remove_device (MetaInputMapper *mapper, - ClutterInputDevice *device) -{ - MetaMapperInputInfo *input; - - g_return_if_fail (mapper != NULL); - g_return_if_fail (device != NULL); - - input = g_hash_table_lookup (mapper->input_devices, device); - - if (input) - { - if (input->output) - mapper_output_info_remove_input (input->output, input); - g_hash_table_remove (mapper->input_devices, device); - } -} - -ClutterInputDevice * -meta_input_mapper_get_logical_monitor_device (MetaInputMapper *mapper, - MetaLogicalMonitor *logical_monitor, - ClutterInputDeviceType device_type) -{ - MetaMapperOutputInfo *output; - GList *l; - - output = g_hash_table_lookup (mapper->output_devices, logical_monitor); - if (!output) - return NULL; - - for (l = output->input_devices; l; l = l->next) - { - MetaMapperInputInfo *input = l->data; - - if (clutter_input_device_get_device_type (input->device) == device_type) - return input->device; - } - - return NULL; -} - -static ClutterInputDevice * -find_grouped_pen (ClutterInputDevice *device) -{ - GList *l, *devices; - ClutterInputDeviceType device_type; - ClutterInputDevice *pen = NULL; - ClutterSeat *seat; - - device_type = clutter_input_device_get_device_type (device); - - if (device_type == CLUTTER_TABLET_DEVICE || - device_type == CLUTTER_PEN_DEVICE) - return device; - - seat = clutter_input_device_get_seat (device); - devices = clutter_seat_list_devices (seat); - - for (l = devices; l; l = l->next) - { - ClutterInputDevice *other_device = l->data; - - device_type = clutter_input_device_get_device_type (other_device); - - if ((device_type == CLUTTER_TABLET_DEVICE || - device_type == CLUTTER_PEN_DEVICE) && - clutter_input_device_is_grouped (device, other_device)) - { - pen = other_device; - break; - } - } - - g_list_free (devices); - - return pen; -} - -MetaLogicalMonitor * -meta_input_mapper_get_device_logical_monitor (MetaInputMapper *mapper, - ClutterInputDevice *device) -{ - MetaMapperOutputInfo *output; - MetaLogicalMonitor *logical_monitor; - GHashTableIter iter; - GList *l; - - if (clutter_input_device_get_device_type (device) == CLUTTER_PAD_DEVICE) - { - device = find_grouped_pen (device); - if (!device) - return NULL; - } - - g_hash_table_iter_init (&iter, mapper->output_devices); - - while (g_hash_table_iter_next (&iter, (gpointer *) &logical_monitor, - (gpointer *) &output)) - { - for (l = output->input_devices; l; l = l->next) - { - MetaMapperInputInfo *input = l->data; - - if (input->device == device) - return logical_monitor; - } - } - - return NULL; -} - -GSettings * -meta_input_mapper_get_tablet_settings (MetaInputMapper *mapper, - ClutterInputDevice *device) -{ - MetaMapperInputInfo *input; - - g_return_val_if_fail (META_IS_INPUT_MAPPER (mapper), NULL); - g_return_val_if_fail (CLUTTER_IS_INPUT_DEVICE (device), NULL); - - input = g_hash_table_lookup (mapper->input_devices, device); - if (!input) - return NULL; - - return input->settings; -} |