/* GDK - The GIMP Drawing Kit * Copyright (C) 2009 Carlos Garnacho * * This library 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 of the License, or (at your option) any later version. * * This library 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 this library. If not, see . */ #define _GNU_SOURCE #include #include #include #include "config.h" #include #include #include #include "gdkprivate-wayland.h" #include "gdkwayland.h" #include "gdkkeysyms.h" #include "gdkdeviceprivate.h" #include "gdkdevicemanagerprivate.h" #include #include #include typedef struct _DataOffer DataOffer; typedef struct _GdkWaylandSelectionOffer GdkWaylandSelectionOffer; typedef struct _GdkWaylandTouchData GdkWaylandTouchData; struct _GdkWaylandTouchData { uint32_t id; gdouble x; gdouble y; GdkWindow *window; guint initial_touch : 1; }; struct _GdkWaylandDeviceData { guint32 id; struct wl_seat *wl_seat; struct wl_pointer *wl_pointer; struct wl_keyboard *wl_keyboard; struct wl_touch *wl_touch; GdkDisplay *display; GdkDeviceManager *device_manager; GdkDevice *master_pointer; GdkDevice *master_keyboard; GdkDevice *pointer; GdkDevice *keyboard; GdkDevice *touch; GdkCursor *cursor; GdkKeymap *keymap; GHashTable *touches; GdkModifierType modifiers; GdkWindow *pointer_focus; GdkWindow *keyboard_focus; struct wl_data_device *data_device; double surface_x, surface_y; uint32_t time; uint32_t enter_serial; uint32_t button_press_serial; GdkWindow *pointer_grab_window; uint32_t pointer_grab_time; gboolean have_server_repeat; uint32_t server_repeat_rate; uint32_t server_repeat_delay; guint32 repeat_timer; guint32 repeat_key; guint32 repeat_count; GSettings *keyboard_settings; guint cursor_timeout_id; guint cursor_image_index; DataOffer *drag_offer; DataOffer *selection_offer; GdkWaylandSelectionOffer *selection_offer_out; struct wl_surface *pointer_surface; }; struct _GdkWaylandDevice { GdkDevice parent_instance; GdkWaylandDeviceData *device; }; struct _GdkWaylandDeviceClass { GdkDeviceClass parent_class; }; G_DEFINE_TYPE (GdkWaylandDevice, gdk_wayland_device, GDK_TYPE_DEVICE) #define GDK_TYPE_WAYLAND_DEVICE_MANAGER (gdk_wayland_device_manager_get_type ()) #define GDK_WAYLAND_DEVICE_MANAGER(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), GDK_TYPE_WAYLAND_DEVICE_MANAGER, GdkWaylandDeviceManager)) #define GDK_WAYLAND_DEVICE_MANAGER_CLASS(c) (G_TYPE_CHECK_CLASS_CAST ((c), GDK_TYPE_WAYLAND_DEVICE_MANAGER, GdkWaylandDeviceManagerClass)) #define GDK_IS_WAYLAND_DEVICE_MANAGER(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), GDK_TYPE_WAYLAND_DEVICE_MANAGER)) #define GDK_IS_WAYLAND_DEVICE_MANAGER_CLASS(c) (G_TYPE_CHECK_CLASS_TYPE ((c), GDK_TYPE_WAYLAND_DEVICE_MANAGER)) #define GDK_WAYLAND_DEVICE_MANAGER_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), GDK_TYPE_WAYLAND_DEVICE_MANAGER, GdkWaylandDeviceManagerClass)) typedef struct _GdkWaylandDeviceManager GdkWaylandDeviceManager; typedef struct _GdkWaylandDeviceManagerClass GdkWaylandDeviceManagerClass; struct _GdkWaylandDeviceManager { GdkDeviceManager parent_object; GList *devices; }; struct _GdkWaylandDeviceManagerClass { GdkDeviceManagerClass parent_class; }; G_DEFINE_TYPE (GdkWaylandDeviceManager, gdk_wayland_device_manager, GDK_TYPE_DEVICE_MANAGER) static gboolean gdk_wayland_device_get_history (GdkDevice *device, GdkWindow *window, guint32 start, guint32 stop, GdkTimeCoord ***events, gint *n_events) { return FALSE; } static void gdk_wayland_device_get_state (GdkDevice *device, GdkWindow *window, gdouble *axes, GdkModifierType *mask) { gdouble x, y; gdk_window_get_device_position_double (window, device, &x, &y, mask); if (axes) { axes[0] = x; axes[1] = y; } } static void gdk_wayland_device_stop_window_cursor_animation (GdkWaylandDeviceData *wd) { if (wd->cursor_timeout_id > 0) { g_source_remove (wd->cursor_timeout_id); wd->cursor_timeout_id = 0; } wd->cursor_image_index = 0; } static gboolean gdk_wayland_device_update_window_cursor (GdkWaylandDeviceData *wd) { struct wl_buffer *buffer; int x, y, w, h, scale; guint next_image_index, next_image_delay; buffer = _gdk_wayland_cursor_get_buffer (wd->cursor, wd->cursor_image_index, &x, &y, &w, &h, &scale); if (!wd->wl_pointer) return FALSE; wl_pointer_set_cursor (wd->wl_pointer, wd->enter_serial, wd->pointer_surface, x, y); wl_surface_attach (wd->pointer_surface, buffer, 0, 0); wl_surface_set_buffer_scale (wd->pointer_surface, scale); wl_surface_damage (wd->pointer_surface, 0, 0, w, h); wl_surface_commit (wd->pointer_surface); next_image_index = _gdk_wayland_cursor_get_next_image_index (wd->cursor, wd->cursor_image_index, &next_image_delay); if (next_image_index != wd->cursor_image_index) { guint id; /* Queue timeout for next frame */ id = g_timeout_add (next_image_delay, (GSourceFunc)gdk_wayland_device_update_window_cursor, wd); g_source_set_name_by_id (id, "[gtk+] gdk_wayland_device_update_window_cursor"); wd->cursor_timeout_id = id; wd->cursor_image_index = next_image_index; } else wd->cursor_timeout_id = 0; return FALSE; } static void gdk_wayland_device_set_window_cursor (GdkDevice *device, GdkWindow *window, GdkCursor *cursor) { GdkWaylandDeviceData *wd = GDK_WAYLAND_DEVICE (device)->device; /* Setting the cursor to NULL means that we should use * the default cursor */ if (!cursor) { /* FIXME: Is this the best sensible default ? */ cursor = _gdk_wayland_display_get_cursor_for_type (device->display, GDK_LEFT_PTR); } if (cursor == wd->cursor) return; gdk_wayland_device_stop_window_cursor_animation (wd); if (wd->cursor) g_object_unref (wd->cursor); wd->cursor = g_object_ref (cursor); gdk_wayland_device_update_window_cursor (wd); } static void gdk_wayland_device_warp (GdkDevice *device, GdkScreen *screen, gdouble x, gdouble y) { } static void get_coordinates (GdkWaylandDeviceData *data, double *x, double *y, double *x_root, double *y_root) { int root_x, root_y; if (x) *x = data->surface_x; if (y) *y = data->surface_y; if (data->pointer_focus) { gdk_window_get_root_coords (data->pointer_focus, data->surface_x, data->surface_y, &root_x, &root_y); } else { root_x = data->surface_x; root_y = data->surface_y; } if (x_root) *x_root = root_x; if (y_root) *y_root = root_y; } static void gdk_wayland_device_query_state (GdkDevice *device, GdkWindow *window, GdkWindow **root_window, GdkWindow **child_window, gdouble *root_x, gdouble *root_y, gdouble *win_x, gdouble *win_y, GdkModifierType *mask) { GdkWaylandDeviceData *wd; GdkScreen *default_screen; wd = GDK_WAYLAND_DEVICE (device)->device; default_screen = gdk_display_get_default_screen (wd->display); if (root_window) *root_window = gdk_screen_get_root_window (default_screen); if (child_window) *child_window = wd->pointer_focus; if (mask) *mask = wd->modifiers; get_coordinates (wd, win_x, win_y, root_x, root_y); } static GdkGrabStatus gdk_wayland_device_grab (GdkDevice *device, GdkWindow *window, gboolean owner_events, GdkEventMask event_mask, GdkWindow *confine_to, GdkCursor *cursor, guint32 time_) { GdkWaylandDeviceData *wayland_device = GDK_WAYLAND_DEVICE (device)->device; if (gdk_device_get_source (device) == GDK_SOURCE_KEYBOARD) { /* Device is a keyboard */ return GDK_GRAB_SUCCESS; } else { /* Device is a pointer */ if (wayland_device->pointer_grab_window != NULL && time_ != 0 && wayland_device->pointer_grab_time > time_) { return GDK_GRAB_ALREADY_GRABBED; } if (time_ == 0) time_ = wayland_device->time; wayland_device->pointer_grab_window = window; wayland_device->pointer_grab_time = time_; /* FIXME: This probably breaks if you end up with multiple grabs * on the same window - but we need to know the input device for * when we are asked to map a popup window so that the grab can * be managed by the compositor. */ _gdk_wayland_window_set_device_grabbed (window, device, wayland_device->wl_seat, time_); } return GDK_GRAB_SUCCESS; } static void gdk_wayland_device_ungrab (GdkDevice *device, guint32 time_) { GdkWaylandDeviceData *wayland_device = GDK_WAYLAND_DEVICE (device)->device; GdkDisplay *display; GdkDeviceGrabInfo *grab; display = gdk_device_get_display (device); if (gdk_device_get_source (device) == GDK_SOURCE_KEYBOARD) { /* Device is a keyboard */ } else { /* Device is a pointer */ grab = _gdk_display_get_last_device_grab (display, device); if (grab) grab->serial_end = grab->serial_start; if (wayland_device->pointer_grab_window) _gdk_wayland_window_set_device_grabbed (wayland_device->pointer_grab_window, NULL, NULL, 0); } } static GdkWindow * gdk_wayland_device_window_at_position (GdkDevice *device, gdouble *win_x, gdouble *win_y, GdkModifierType *mask, gboolean get_toplevel) { GdkWaylandDeviceData *wd; wd = GDK_WAYLAND_DEVICE(device)->device; if (win_x) *win_x = wd->surface_x; if (win_y) *win_y = wd->surface_y; if (mask) *mask = wd->modifiers; return wd->pointer_focus; } static void gdk_wayland_device_select_window_events (GdkDevice *device, GdkWindow *window, GdkEventMask event_mask) { } static void gdk_wayland_device_class_init (GdkWaylandDeviceClass *klass) { GdkDeviceClass *device_class = GDK_DEVICE_CLASS (klass); device_class->get_history = gdk_wayland_device_get_history; device_class->get_state = gdk_wayland_device_get_state; device_class->set_window_cursor = gdk_wayland_device_set_window_cursor; device_class->warp = gdk_wayland_device_warp; device_class->query_state = gdk_wayland_device_query_state; device_class->grab = gdk_wayland_device_grab; device_class->ungrab = gdk_wayland_device_ungrab; device_class->window_at_position = gdk_wayland_device_window_at_position; device_class->select_window_events = gdk_wayland_device_select_window_events; } static void gdk_wayland_device_init (GdkWaylandDevice *device_core) { GdkDevice *device; device = GDK_DEVICE (device_core); _gdk_device_add_axis (device, GDK_NONE, GDK_AXIS_X, 0, 0, 1); _gdk_device_add_axis (device, GDK_NONE, GDK_AXIS_Y, 0, 0, 1); } /** * gdk_wayland_device_get_wl_seat: * @device: (type GdkWaylandDevice): a #GdkDevice * * Returns the Wayland wl_seat of a #GdkDevice * * Returns: (transfer none): a Wayland wl_seat * * Since: 3.10 */ struct wl_seat * gdk_wayland_device_get_wl_seat (GdkDevice *device) { g_return_val_if_fail(GDK_IS_WAYLAND_DEVICE (device), NULL); return GDK_WAYLAND_DEVICE (device)->device->wl_seat; } /** * gdk_wayland_device_get_wl_pointer: * @device: (type GdkWaylandDevice): a #GdkDevice * * Returns the Wayland wl_pointer of a #GdkDevice * * Returns: (transfer none): a Wayland wl_pointer * * Since: 3.10 */ struct wl_pointer * gdk_wayland_device_get_wl_pointer (GdkDevice *device) { g_return_val_if_fail(GDK_IS_WAYLAND_DEVICE (device), NULL); return GDK_WAYLAND_DEVICE (device)->device->wl_pointer; } /** * gdk_wayland_device_get_wl_keyboard: * @device: (type GdkWaylandDevice): a #GdkDevice * * Returns the Wayland wl_keyboard of a #GdkDevice * * Returns: (transfer none): a Wayland wl_keyboard * * Since: 3.10 */ struct wl_keyboard * gdk_wayland_device_get_wl_keyboard (GdkDevice *device) { g_return_val_if_fail(GDK_IS_WAYLAND_DEVICE (device), NULL); return GDK_WAYLAND_DEVICE (device)->device->wl_keyboard; } GdkKeymap * _gdk_wayland_device_get_keymap (GdkDevice *device) { return GDK_WAYLAND_DEVICE (device)->device->keymap; } struct _DataOffer { struct wl_data_offer *offer; gint ref_count; GPtrArray *types; }; static void data_offer_offer (void *data, struct wl_data_offer *wl_data_offer, const char *type) { DataOffer *offer = (DataOffer *)data; g_debug (G_STRLOC ": %s wl_data_offer = %p type = %s", G_STRFUNC, wl_data_offer, type); g_ptr_array_add (offer->types, g_strdup (type)); } static void data_offer_unref (DataOffer *offer) { offer->ref_count--; if (offer->ref_count == 0) { g_ptr_array_free (offer->types, TRUE); g_free (offer); } } static const struct wl_data_offer_listener data_offer_listener = { data_offer_offer, }; static void data_device_data_offer (void *data, struct wl_data_device *data_device, struct wl_data_offer *_offer) { DataOffer *offer; /* This structure is reference counted to handle the case where you get a * leave but are in the middle of transferring data */ offer = g_new0 (DataOffer, 1); offer->ref_count = 1; offer->types = g_ptr_array_new_with_free_func (g_free); offer->offer = _offer; /* The DataOffer structure is then retrieved later since this sets the user * data. */ wl_data_offer_add_listener (offer->offer, &data_offer_listener, offer); } static void data_device_enter (void *data, struct wl_data_device *data_device, uint32_t serial, struct wl_surface *surface, int32_t x, int32_t y, struct wl_data_offer *offer) { GdkWaylandDeviceData *device = (GdkWaylandDeviceData *)data; g_debug (G_STRLOC ": %s data_device = %p serial = %u, surface = %p, x = %d y = %d, offer = %p", G_STRFUNC, data_device, serial, surface, x, y, offer); /* Retrieve the DataOffer associated with with the wl_data_offer - this * association is made when the listener is attached. */ g_assert (device->drag_offer == NULL); device->drag_offer = wl_data_offer_get_user_data (offer); } static void data_device_leave (void *data, struct wl_data_device *data_device) { GdkWaylandDeviceData *device = (GdkWaylandDeviceData *)data; g_debug (G_STRLOC ": %s data_device = %p", G_STRFUNC, data_device); data_offer_unref (device->drag_offer); device->drag_offer = NULL; } static void data_device_motion (void *data, struct wl_data_device *data_device, uint32_t time, int32_t x, int32_t y) { g_debug (G_STRLOC ": %s data_device = %p, time = %d, x = %d, y = %d", G_STRFUNC, data_device, time, x, y); } static void data_device_drop (void *data, struct wl_data_device *data_device) { g_debug (G_STRLOC ": %s data_device = %p", G_STRFUNC, data_device); } static void data_device_selection (void *data, struct wl_data_device *wl_data_device, struct wl_data_offer *offer) { GdkWaylandDeviceData *device = (GdkWaylandDeviceData *)data; g_debug (G_STRLOC ": %s wl_data_device = %p wl_data_offer = %p", G_STRFUNC, wl_data_device, offer); if (!offer) { if (device->selection_offer) { data_offer_unref (device->selection_offer); device->selection_offer = NULL; } return; } if (device->selection_offer) { data_offer_unref (device->selection_offer); device->selection_offer = NULL; } /* Retrieve the DataOffer associated with with the wl_data_offer - * this association is made when the listener is attached. */ g_assert (device->selection_offer == NULL); device->selection_offer = wl_data_offer_get_user_data (offer); } static const struct wl_data_device_listener data_device_listener = { data_device_data_offer, data_device_enter, data_device_leave, data_device_motion, data_device_drop, data_device_selection }; static void pointer_handle_enter (void *data, struct wl_pointer *pointer, uint32_t serial, struct wl_surface *surface, wl_fixed_t sx, wl_fixed_t sy) { GdkWaylandDeviceData *device = data; GdkEvent *event; GdkWaylandDisplay *wayland_display = GDK_WAYLAND_DISPLAY (device->display); if (!surface) return; if (!GDK_IS_WINDOW (wl_surface_get_user_data (surface))) return; _gdk_wayland_display_update_serial (wayland_display, serial); device->pointer_focus = wl_surface_get_user_data(surface); g_object_ref(device->pointer_focus); device->surface_x = wl_fixed_to_double (sx); device->surface_y = wl_fixed_to_double (sy); device->enter_serial = serial; event = gdk_event_new (GDK_ENTER_NOTIFY); event->crossing.window = g_object_ref (device->pointer_focus); gdk_event_set_device (event, device->master_pointer); gdk_event_set_source_device (event, device->pointer); event->crossing.subwindow = NULL; event->crossing.time = (guint32)(g_get_monotonic_time () / 1000); event->crossing.mode = GDK_CROSSING_NORMAL; event->crossing.detail = GDK_NOTIFY_ANCESTOR; event->crossing.focus = TRUE; event->crossing.state = 0; get_coordinates (device, &event->crossing.x, &event->crossing.y, &event->crossing.x_root, &event->crossing.y_root); _gdk_wayland_display_deliver_event (device->display, event); GDK_NOTE (EVENTS, g_message ("enter, device %p surface %p", device, device->pointer_focus)); } static void pointer_handle_leave (void *data, struct wl_pointer *pointer, uint32_t serial, struct wl_surface *surface) { GdkWaylandDeviceData *device = data; GdkEvent *event; GdkWaylandDisplay *wayland_display = GDK_WAYLAND_DISPLAY (device->display); if (!surface) return; if (!GDK_IS_WINDOW (wl_surface_get_user_data (surface))) return; if (!device->pointer_focus) return; _gdk_wayland_display_update_serial (wayland_display, serial); event = gdk_event_new (GDK_LEAVE_NOTIFY); event->crossing.window = g_object_ref (device->pointer_focus); gdk_event_set_device (event, device->master_pointer); gdk_event_set_source_device (event, device->pointer); event->crossing.subwindow = NULL; event->crossing.time = (guint32)(g_get_monotonic_time () / 1000); event->crossing.mode = GDK_CROSSING_NORMAL; event->crossing.detail = GDK_NOTIFY_ANCESTOR; event->crossing.focus = TRUE; event->crossing.state = 0; get_coordinates (device, &event->crossing.x, &event->crossing.y, &event->crossing.x_root, &event->crossing.y_root); _gdk_wayland_display_deliver_event (device->display, event); GDK_NOTE (EVENTS, g_message ("leave, device %p surface %p", device, device->pointer_focus)); g_object_unref(device->pointer_focus); if (device->cursor) { gdk_wayland_device_stop_window_cursor_animation (device); g_object_unref (device->cursor); device->cursor = NULL; } device->pointer_focus = NULL; } static void pointer_handle_motion (void *data, struct wl_pointer *pointer, uint32_t time, wl_fixed_t sx, wl_fixed_t sy) { GdkWaylandDeviceData *device = data; GdkWaylandDisplay *display = GDK_WAYLAND_DISPLAY (device->display); GdkEvent *event; if (!device->pointer_focus) return; event = gdk_event_new (GDK_NOTHING); device->time = time; device->surface_x = wl_fixed_to_double (sx); device->surface_y = wl_fixed_to_double (sy); event->motion.type = GDK_MOTION_NOTIFY; event->motion.window = g_object_ref (device->pointer_focus); gdk_event_set_device (event, device->master_pointer); gdk_event_set_source_device (event, device->pointer); event->motion.time = time; event->motion.axes = NULL; event->motion.state = device->modifiers; event->motion.is_hint = 0; gdk_event_set_screen (event, display->screen); get_coordinates (device, &event->motion.x, &event->motion.y, &event->motion.x_root, &event->motion.y_root); GDK_NOTE (EVENTS, g_message ("motion %d %d, state %d", sx, sy, event->button.state)); _gdk_wayland_display_deliver_event (device->display, event); } static void pointer_handle_button (void *data, struct wl_pointer *pointer, uint32_t serial, uint32_t time, uint32_t button, uint32_t state) { GdkWaylandDeviceData *device = data; GdkWaylandDisplay *display = GDK_WAYLAND_DISPLAY (device->display); GdkEvent *event; uint32_t modifier; int gdk_button; GdkWaylandDisplay *wayland_display = GDK_WAYLAND_DISPLAY (device->display); if (!device->pointer_focus) return; _gdk_wayland_display_update_serial (wayland_display, serial); switch (button) { case 273: gdk_button = 3; break; case 274: gdk_button = 2; break; default: gdk_button = button - 271; break; } device->time = time; if (state) device->button_press_serial = serial; event = gdk_event_new (state ? GDK_BUTTON_PRESS : GDK_BUTTON_RELEASE); event->button.window = g_object_ref (device->pointer_focus); gdk_event_set_device (event, device->master_pointer); gdk_event_set_source_device (event, device->pointer); event->button.time = time; event->button.axes = NULL; event->button.state = device->modifiers; event->button.button = gdk_button; gdk_event_set_screen (event, display->screen); get_coordinates (device, &event->button.x, &event->button.y, &event->button.x_root, &event->button.y_root); modifier = 1 << (8 + gdk_button - 1); if (state) device->modifiers |= modifier; else device->modifiers &= ~modifier; GDK_NOTE (EVENTS, g_message ("button %d %s, state %d", event->button.button, state ? "press" : "release", event->button.state)); _gdk_wayland_display_deliver_event (device->display, event); } static void pointer_handle_axis (void *data, struct wl_pointer *pointer, uint32_t time, uint32_t axis, wl_fixed_t value) { GdkWaylandDeviceData *device = data; GdkWaylandDisplay *display = GDK_WAYLAND_DISPLAY (device->display); GdkEvent *event; gdouble delta_x, delta_y; if (!device->pointer_focus) return; /* get the delta and convert it into the expected range */ switch (axis) { case WL_POINTER_AXIS_VERTICAL_SCROLL: delta_x = 0; delta_y = wl_fixed_to_double (value) / 10.0; break; case WL_POINTER_AXIS_HORIZONTAL_SCROLL: delta_x = wl_fixed_to_double (value) / 10.0; delta_y = 0; break; default: g_return_if_reached (); } device->time = time; event = gdk_event_new (GDK_SCROLL); event->scroll.window = g_object_ref (device->pointer_focus); gdk_event_set_device (event, device->master_pointer); gdk_event_set_source_device (event, device->pointer); event->scroll.time = time; event->scroll.direction = GDK_SCROLL_SMOOTH; event->scroll.delta_x = delta_x; event->scroll.delta_y = delta_y; event->scroll.state = device->modifiers; gdk_event_set_screen (event, display->screen); get_coordinates (device, &event->scroll.x, &event->scroll.y, &event->scroll.x_root, &event->scroll.y_root); GDK_NOTE (EVENTS, g_message ("scroll %f %f", event->scroll.delta_x, event->scroll.delta_y)); _gdk_wayland_display_deliver_event (device->display, event); } static void keyboard_handle_keymap (void *data, struct wl_keyboard *keyboard, uint32_t format, int fd, uint32_t size) { GdkWaylandDeviceData *device = data; _gdk_wayland_keymap_update_from_fd (device->keymap, format, fd, size); g_signal_emit_by_name (device->keymap, "keys-changed"); g_signal_emit_by_name (device->keymap, "state-changed"); g_signal_emit_by_name (device->keymap, "direction-changed"); } static void keyboard_handle_enter (void *data, struct wl_keyboard *keyboard, uint32_t serial, struct wl_surface *surface, struct wl_array *keys) { GdkWaylandDeviceData *device = data; GdkEvent *event; GdkWaylandDisplay *wayland_display = GDK_WAYLAND_DISPLAY (device->display); if (!surface) return; if (!GDK_IS_WINDOW (wl_surface_get_user_data (surface))) return; _gdk_wayland_display_update_serial (wayland_display, serial); device->keyboard_focus = wl_surface_get_user_data(surface); g_object_ref(device->keyboard_focus); event = gdk_event_new (GDK_FOCUS_CHANGE); event->focus_change.window = g_object_ref (device->keyboard_focus); event->focus_change.send_event = FALSE; event->focus_change.in = TRUE; gdk_event_set_device (event, device->master_keyboard); gdk_event_set_source_device (event, device->keyboard); GDK_NOTE (EVENTS, g_message ("focus int, device %p surface %p", device, device->keyboard_focus)); _gdk_wayland_display_deliver_event (device->display, event); } static void keyboard_handle_leave (void *data, struct wl_keyboard *keyboard, uint32_t serial, struct wl_surface *surface) { GdkWaylandDeviceData *device = data; GdkEvent *event; GdkWaylandDisplay *wayland_display = GDK_WAYLAND_DISPLAY (device->display); if (!surface) return; if (!GDK_IS_WINDOW (wl_surface_get_user_data (surface))) return; if (!device->keyboard_focus) return; _gdk_wayland_display_update_serial (wayland_display, serial); event = gdk_event_new (GDK_FOCUS_CHANGE); event->focus_change.window = g_object_ref (device->keyboard_focus); event->focus_change.send_event = FALSE; event->focus_change.in = FALSE; gdk_event_set_device (event, device->master_keyboard); gdk_event_set_source_device (event, device->keyboard); g_object_unref(device->keyboard_focus); device->keyboard_focus = NULL; GDK_NOTE (EVENTS, g_message ("focus out, device %p surface %p", device, device->keyboard_focus)); _gdk_wayland_display_deliver_event (device->display, event); } static gboolean keyboard_repeat (gpointer data); static void translate_keyboard_string (GdkEventKey *event) { gunichar c = 0; gchar buf[7]; /* Fill in event->string crudely, since various programs * depend on it. */ event->string = NULL; if (event->keyval != GDK_KEY_VoidSymbol) c = gdk_keyval_to_unicode (event->keyval); if (c) { gsize bytes_written; gint len; /* Apply the control key - Taken from Xlib */ if (event->state & GDK_CONTROL_MASK) { if ((c >= '@' && c < '\177') || c == ' ') c &= 0x1F; else if (c == '2') { event->string = g_memdup ("\0\0", 2); event->length = 1; buf[0] = '\0'; return; } else if (c >= '3' && c <= '7') c -= ('3' - '\033'); else if (c == '8') c = '\177'; else if (c == '/') c = '_' & 0x1F; } len = g_unichar_to_utf8 (c, buf); buf[len] = '\0'; event->string = g_locale_from_utf8 (buf, len, NULL, &bytes_written, NULL); if (event->string) event->length = bytes_written; } else if (event->keyval == GDK_KEY_Escape) { event->length = 1; event->string = g_strdup ("\033"); } else if (event->keyval == GDK_KEY_Return || event->keyval == GDK_KEY_KP_Enter) { event->length = 1; event->string = g_strdup ("\r"); } if (!event->string) { event->length = 0; event->string = g_strdup (""); } } static GSettings * get_keyboard_settings (GdkWaylandDeviceData *device) { if (!device->keyboard_settings) { GSettingsSchemaSource *source; GSettingsSchema *schema; source = g_settings_schema_source_get_default (); schema = g_settings_schema_source_lookup (source, "org.gnome.settings-daemon.peripherals.keyboard", FALSE); if (schema != NULL) { device->keyboard_settings = g_settings_new_full (schema, NULL, NULL); g_settings_schema_unref (schema); } } return device->keyboard_settings; } static gboolean get_key_repeat (GdkWaylandDeviceData *device, guint *delay, guint *interval) { gboolean repeat; if (device->have_server_repeat) { if (device->server_repeat_rate > 0) { repeat = TRUE; *delay = device->server_repeat_delay; *interval = (1000 / device->server_repeat_rate); } else { repeat = FALSE; } } else { GSettings *keyboard_settings = get_keyboard_settings (device); if (keyboard_settings) { repeat = g_settings_get_boolean (keyboard_settings, "repeat"); *delay = g_settings_get_uint (keyboard_settings, "delay"); *interval = g_settings_get_uint (keyboard_settings, "repeat-interval"); } else { repeat = TRUE; *delay = 400; *interval = 80; } } return repeat; } static gboolean deliver_key_event (GdkWaylandDeviceData *device, uint32_t time_, uint32_t key, uint32_t state) { GdkEvent *event; struct xkb_state *xkb_state; struct xkb_keymap *xkb_keymap; GdkKeymap *keymap; xkb_keysym_t sym; guint delay, interval; keymap = device->keymap; xkb_state = _gdk_wayland_keymap_get_xkb_state (keymap); xkb_keymap = _gdk_wayland_keymap_get_xkb_keymap (keymap); sym = xkb_state_key_get_one_sym (xkb_state, key); device->time = time_; device->modifiers = gdk_keymap_get_modifier_state (keymap); event = gdk_event_new (state ? GDK_KEY_PRESS : GDK_KEY_RELEASE); event->key.window = device->keyboard_focus ? g_object_ref (device->keyboard_focus) : NULL; gdk_event_set_device (event, device->master_keyboard); gdk_event_set_source_device (event, device->keyboard); event->key.time = time_; event->key.state = device->modifiers; event->key.group = 0; event->key.hardware_keycode = key; event->key.keyval = sym; event->key.is_modifier = _gdk_wayland_keymap_key_is_modifier (keymap, key); translate_keyboard_string (&event->key); _gdk_wayland_display_deliver_event (device->display, event); GDK_NOTE (EVENTS, g_message ("keyboard event, code %d, sym %d, " "string %s, mods 0x%x", event->key.hardware_keycode, event->key.keyval, event->key.string, event->key.state)); if (!xkb_keymap_key_repeats (xkb_keymap, key)) return FALSE; if (!get_key_repeat (device, &delay, &interval)) return FALSE; device->repeat_count++; device->repeat_key = key; if (state == 0) { if (device->repeat_timer) { g_source_remove (device->repeat_timer); device->repeat_timer = 0; } return FALSE; } else { switch (device->repeat_count) { case 1: if (device->repeat_timer) { g_source_remove (device->repeat_timer); device->repeat_timer = 0; } device->repeat_timer = gdk_threads_add_timeout (delay, keyboard_repeat, device); g_source_set_name_by_id (device->repeat_timer, "[gtk+] keyboard_repeat"); return TRUE; case 2: device->repeat_timer = gdk_threads_add_timeout (interval, keyboard_repeat, device); g_source_set_name_by_id (device->repeat_timer, "[gtk+] keyboard_repeat"); return FALSE; default: return TRUE; } } } static gboolean keyboard_repeat (gpointer data) { GdkWaylandDeviceData *device = data; return deliver_key_event (device, device->time, device->repeat_key, 1); } static void keyboard_handle_key (void *data, struct wl_keyboard *keyboard, uint32_t serial, uint32_t time, uint32_t key, uint32_t state_w) { GdkWaylandDeviceData *device = data; GdkWaylandDisplay *wayland_display = GDK_WAYLAND_DISPLAY (device->display); if (!device->keyboard_focus) return; device->repeat_count = 0; _gdk_wayland_display_update_serial (wayland_display, serial); deliver_key_event (data, time, key + 8, state_w); } static void keyboard_handle_modifiers (void *data, struct wl_keyboard *keyboard, uint32_t serial, uint32_t mods_depressed, uint32_t mods_latched, uint32_t mods_locked, uint32_t group) { GdkWaylandDeviceData *device = data; GdkKeymap *keymap; struct xkb_state *xkb_state; PangoDirection direction; keymap = device->keymap; direction = gdk_keymap_get_direction (keymap); xkb_state = _gdk_wayland_keymap_get_xkb_state (keymap); device->modifiers = mods_depressed | mods_latched | mods_locked; xkb_state_update_mask (xkb_state, mods_depressed, mods_latched, mods_locked, group, 0, 0); g_signal_emit_by_name (keymap, "state-changed"); if (direction != gdk_keymap_get_direction (keymap)) g_signal_emit_by_name (keymap, "direction-changed"); } static void keyboard_handle_repeat_info (void *data, struct wl_keyboard *keyboard, int32_t rate, int32_t delay) { GdkWaylandDeviceData *device = data; device->have_server_repeat = TRUE; device->server_repeat_rate = rate; device->server_repeat_delay = delay; } static GdkWaylandTouchData * _device_manager_add_touch (GdkWaylandDeviceData *device, uint32_t id, struct wl_surface *surface) { GdkWaylandTouchData *touch; touch = g_new0 (GdkWaylandTouchData, 1); touch->id = id; touch->window = wl_surface_get_user_data (surface); touch->initial_touch = (g_hash_table_size (device->touches) == 0); g_hash_table_insert (device->touches, GUINT_TO_POINTER (id), touch); return touch; } static GdkWaylandTouchData * _device_manager_get_touch (GdkWaylandDeviceData *device, uint32_t id) { return g_hash_table_lookup (device->touches, GUINT_TO_POINTER (id)); } static void _device_manager_remove_touch (GdkWaylandDeviceData *device, uint32_t id) { g_hash_table_remove (device->touches, GUINT_TO_POINTER (id)); } static GdkEvent * _create_touch_event (GdkWaylandDeviceData *device, GdkWaylandTouchData *touch, GdkEventType evtype, uint32_t time) { GdkWaylandDisplay *display = GDK_WAYLAND_DISPLAY (device->display); gint x_root, y_root; GdkEvent *event; event = gdk_event_new (evtype); event->touch.window = g_object_ref (touch->window); gdk_event_set_device (event, device->master_pointer); gdk_event_set_source_device (event, device->touch); event->touch.time = time; event->touch.state = device->modifiers; gdk_event_set_screen (event, display->screen); event->touch.sequence = GUINT_TO_POINTER (touch->id + 1); if (touch->initial_touch) { _gdk_event_set_pointer_emulated (event, TRUE); event->touch.emulating_pointer = TRUE; } gdk_window_get_root_coords (touch->window, touch->x, touch->y, &x_root, &y_root); event->touch.x = touch->x; event->touch.y = touch->y; event->touch.x_root = x_root; event->touch.y_root = y_root; return event; } static void touch_handle_down (void *data, struct wl_touch *wl_touch, uint32_t serial, uint32_t time, struct wl_surface *wl_surface, int32_t id, wl_fixed_t x, wl_fixed_t y) { GdkWaylandDeviceData *device = data; GdkWaylandTouchData *touch; GdkEvent *event; touch = _device_manager_add_touch (device, id, wl_surface); touch->x = wl_fixed_to_double (x); touch->y = wl_fixed_to_double (y); event = _create_touch_event (device, touch, GDK_TOUCH_BEGIN, time); GDK_NOTE (EVENTS, g_message ("touch begin %f %f", event->touch.x, event->touch.y)); _gdk_wayland_display_deliver_event (device->display, event); } static void touch_handle_up (void *data, struct wl_touch *wl_touch, uint32_t serial, uint32_t time, int32_t id) { GdkWaylandDeviceData *device = data; GdkWaylandTouchData *touch; GdkEvent *event; touch = _device_manager_get_touch (device, id); event = _create_touch_event (device, touch, GDK_TOUCH_END, time); GDK_NOTE (EVENTS, g_message ("touch end %f %f", event->touch.x, event->touch.y)); _gdk_wayland_display_deliver_event (device->display, event); _device_manager_remove_touch (device, id); } static void touch_handle_motion (void *data, struct wl_touch *wl_touch, uint32_t time, int32_t id, wl_fixed_t x, wl_fixed_t y) { GdkWaylandDeviceData *device = data; GdkWaylandTouchData *touch; GdkEvent *event; touch = _device_manager_get_touch (device, id); touch->x = wl_fixed_to_double (x); touch->y = wl_fixed_to_double (y); event = _create_touch_event (device, touch, GDK_TOUCH_UPDATE, time); GDK_NOTE (EVENTS, g_message ("touch update %f %f", event->touch.x, event->touch.y)); _gdk_wayland_display_deliver_event (device->display, event); } static void touch_handle_frame (void *data, struct wl_touch *wl_touch) { } static void touch_handle_cancel (void *data, struct wl_touch *wl_touch) { GdkWaylandDeviceData *device = data; GdkWaylandTouchData *touch; GHashTableIter iter; GdkEvent *event; g_hash_table_iter_init (&iter, device->touches); while (g_hash_table_iter_next (&iter, NULL, (gpointer *) &touch)) { event = _create_touch_event (device, touch, GDK_TOUCH_CANCEL, GDK_CURRENT_TIME); _gdk_wayland_display_deliver_event (device->display, event); g_hash_table_iter_remove (&iter); } GDK_NOTE (EVENTS, g_message ("touch cancel")); } static const struct wl_pointer_listener pointer_listener = { pointer_handle_enter, pointer_handle_leave, pointer_handle_motion, pointer_handle_button, pointer_handle_axis, }; static const struct wl_keyboard_listener keyboard_listener = { keyboard_handle_keymap, keyboard_handle_enter, keyboard_handle_leave, keyboard_handle_key, keyboard_handle_modifiers, keyboard_handle_repeat_info, }; static const struct wl_touch_listener touch_listener = { touch_handle_down, touch_handle_up, touch_handle_motion, touch_handle_frame, touch_handle_cancel }; static void seat_handle_capabilities (void *data, struct wl_seat *seat, enum wl_seat_capability caps) { GdkWaylandDeviceData *device = data; GdkWaylandDeviceManager *device_manager = GDK_WAYLAND_DEVICE_MANAGER (device->device_manager); if ((caps & WL_SEAT_CAPABILITY_POINTER) && !device->wl_pointer) { device->wl_pointer = wl_seat_get_pointer (seat); wl_pointer_set_user_data (device->wl_pointer, device); wl_pointer_add_listener (device->wl_pointer, &pointer_listener, device); device->pointer = g_object_new (GDK_TYPE_WAYLAND_DEVICE, "name", "Wayland Pointer", "type", GDK_DEVICE_TYPE_SLAVE, "input-source", GDK_SOURCE_MOUSE, "input-mode", GDK_MODE_SCREEN, "has-cursor", TRUE, "display", device->display, "device-manager", device->device_manager, NULL); _gdk_device_set_associated_device (device->pointer, device->master_pointer); GDK_WAYLAND_DEVICE (device->pointer)->device = device; device_manager->devices = g_list_prepend (device_manager->devices, device->pointer); g_signal_emit_by_name (device_manager, "device-added", device->pointer); } else if (!(caps & WL_SEAT_CAPABILITY_POINTER) && device->wl_pointer) { wl_pointer_release (device->wl_pointer); device->wl_pointer = NULL; _gdk_device_set_associated_device (device->pointer, NULL); device_manager->devices = g_list_remove (device_manager->devices, device->pointer); g_signal_emit_by_name (device_manager, "device-removed", device->pointer); g_object_unref (device->pointer); device->pointer = NULL; } if ((caps & WL_SEAT_CAPABILITY_KEYBOARD) && !device->wl_keyboard) { device->wl_keyboard = wl_seat_get_keyboard (seat); wl_keyboard_set_user_data (device->wl_keyboard, device); wl_keyboard_add_listener (device->wl_keyboard, &keyboard_listener, device); device->keyboard = g_object_new (GDK_TYPE_WAYLAND_DEVICE, "name", "Wayland Keyboard", "type", GDK_DEVICE_TYPE_SLAVE, "input-source", GDK_SOURCE_KEYBOARD, "input-mode", GDK_MODE_SCREEN, "has-cursor", FALSE, "display", device->display, "device-manager", device->device_manager, NULL); _gdk_device_set_associated_device (device->keyboard, device->master_keyboard); GDK_WAYLAND_DEVICE (device->keyboard)->device = device; device_manager->devices = g_list_prepend (device_manager->devices, device->keyboard); g_signal_emit_by_name (device_manager, "device-added", device->keyboard); } else if (!(caps & WL_SEAT_CAPABILITY_KEYBOARD) && device->wl_keyboard) { wl_keyboard_release (device->wl_keyboard); device->wl_keyboard = NULL; _gdk_device_set_associated_device (device->keyboard, NULL); device_manager->devices = g_list_remove (device_manager->devices, device->keyboard); g_signal_emit_by_name (device_manager, "device-removed", device->keyboard); g_object_unref (device->keyboard); device->keyboard = NULL; } if ((caps & WL_SEAT_CAPABILITY_TOUCH) && !device->wl_touch) { device->wl_touch = wl_seat_get_touch (seat); wl_touch_set_user_data (device->wl_touch, device); wl_touch_add_listener (device->wl_touch, &touch_listener, device); device->touch = g_object_new (GDK_TYPE_WAYLAND_DEVICE, "name", "Wayland Touch", "type", GDK_DEVICE_TYPE_SLAVE, "input-source", GDK_SOURCE_TOUCHSCREEN, "input-mode", GDK_MODE_SCREEN, "has-cursor", FALSE, "display", device->display, "device-manager", device->device_manager, NULL); _gdk_device_set_associated_device (device->touch, device->master_pointer); GDK_WAYLAND_DEVICE (device->touch)->device = device; device_manager->devices = g_list_prepend (device_manager->devices, device->touch); g_signal_emit_by_name (device_manager, "device-added", device->touch); } else if (!(caps & WL_SEAT_CAPABILITY_TOUCH) && device->wl_touch) { wl_touch_release (device->wl_touch); device->wl_touch = NULL; _gdk_device_set_associated_device (device->touch, NULL); device_manager->devices = g_list_remove (device_manager->devices, device->touch); g_signal_emit_by_name (device_manager, "device-removed", device->touch); g_object_unref (device->touch); device->touch = NULL; } } static void seat_handle_name (void *data, struct wl_seat *seat, const char *name) { /* We don't care about the name. */ } static const struct wl_seat_listener seat_listener = { seat_handle_capabilities, seat_handle_name, }; static void init_devices (GdkWaylandDeviceData *device) { GdkWaylandDeviceManager *device_manager = GDK_WAYLAND_DEVICE_MANAGER (device->device_manager); /* pointer */ device->master_pointer = g_object_new (GDK_TYPE_WAYLAND_DEVICE, "name", "Core Pointer", "type", GDK_DEVICE_TYPE_MASTER, "input-source", GDK_SOURCE_MOUSE, "input-mode", GDK_MODE_SCREEN, "has-cursor", TRUE, "display", device->display, "device-manager", device_manager, NULL); GDK_WAYLAND_DEVICE (device->master_pointer)->device = device; device_manager->devices = g_list_prepend (device_manager->devices, device->master_pointer); g_signal_emit_by_name (device_manager, "device-added", device->master_pointer); /* keyboard */ device->master_keyboard = g_object_new (GDK_TYPE_WAYLAND_DEVICE, "name", "Core Keyboard", "type", GDK_DEVICE_TYPE_MASTER, "input-source", GDK_SOURCE_KEYBOARD, "input-mode", GDK_MODE_SCREEN, "has-cursor", FALSE, "display", device->display, "device-manager", device_manager, NULL); GDK_WAYLAND_DEVICE (device->master_keyboard)->device = device; device_manager->devices = g_list_prepend (device_manager->devices, device->master_keyboard); g_signal_emit_by_name (device_manager, "device-added", device->master_keyboard); /* link both */ _gdk_device_set_associated_device (device->master_pointer, device->master_keyboard); _gdk_device_set_associated_device (device->master_keyboard, device->master_pointer); } void _gdk_wayland_device_manager_add_seat (GdkDeviceManager *device_manager, guint32 id, struct wl_seat *wl_seat) { GdkDisplay *display; GdkWaylandDisplay *display_wayland; GdkWaylandDeviceData *device; display = gdk_device_manager_get_display (device_manager); display_wayland = GDK_WAYLAND_DISPLAY (display); device = g_new0 (GdkWaylandDeviceData, 1); device->id = id; device->keymap = _gdk_wayland_keymap_new (); device->display = display; device->device_manager = device_manager; device->touches = g_hash_table_new_full (NULL, NULL, NULL, (GDestroyNotify) g_free); device->wl_seat = wl_seat; wl_seat_add_listener (device->wl_seat, &seat_listener, device); wl_seat_set_user_data (device->wl_seat, device); device->data_device = wl_data_device_manager_get_data_device (display_wayland->data_device_manager, device->wl_seat); wl_data_device_add_listener (device->data_device, &data_device_listener, device); device->pointer_surface = wl_compositor_create_surface (display_wayland->compositor); init_devices (device); } void _gdk_wayland_device_manager_remove_seat (GdkDeviceManager *manager, guint32 id) { GdkWaylandDeviceManager *device_manager = GDK_WAYLAND_DEVICE_MANAGER (manager); GList *l; for (l = device_manager->devices; l != NULL; l = l->next) { GdkWaylandDevice *wayland_device = l->data; GdkWaylandDeviceData *device = wayland_device->device; if (device->id == id) { seat_handle_capabilities (device, device->wl_seat, 0); g_object_unref (device->keymap); wl_surface_destroy (device->pointer_surface); /* FIXME: destroy data_device */ g_clear_object (&device->keyboard_settings); g_hash_table_destroy (device->touches); g_free (device); break; } } } static void free_device (gpointer data) { g_object_unref (data); } static void gdk_wayland_device_manager_finalize (GObject *object) { GdkWaylandDeviceManager *device_manager; device_manager = GDK_WAYLAND_DEVICE_MANAGER (object); g_list_free_full (device_manager->devices, free_device); G_OBJECT_CLASS (gdk_wayland_device_manager_parent_class)->finalize (object); } static GList * gdk_wayland_device_manager_list_devices (GdkDeviceManager *device_manager, GdkDeviceType type) { GdkWaylandDeviceManager *wayland_device_manager; GList *devices = NULL, *l; wayland_device_manager = (GdkWaylandDeviceManager *) device_manager; for (l = wayland_device_manager->devices; l; l = l->next) { if (gdk_device_get_device_type (l->data) == type) devices = g_list_prepend (devices, l->data); } return devices; } static GdkDevice * gdk_wayland_device_manager_get_client_pointer (GdkDeviceManager *device_manager) { GdkWaylandDeviceManager *wayland_device_manager; GList *l; wayland_device_manager = (GdkWaylandDeviceManager *) device_manager; /* Find the first pointer device */ for (l = wayland_device_manager->devices; l != NULL; l = l->next) { GdkDevice *device = l->data; if (gdk_device_get_source (device) == GDK_SOURCE_MOUSE) return device; } return NULL; } static void gdk_wayland_device_manager_class_init (GdkWaylandDeviceManagerClass *klass) { GdkDeviceManagerClass *device_manager_class = GDK_DEVICE_MANAGER_CLASS (klass); GObjectClass *object_class = G_OBJECT_CLASS (klass); object_class->finalize = gdk_wayland_device_manager_finalize; device_manager_class->list_devices = gdk_wayland_device_manager_list_devices; device_manager_class->get_client_pointer = gdk_wayland_device_manager_get_client_pointer; } static void gdk_wayland_device_manager_init (GdkWaylandDeviceManager *device_manager) { } GdkDeviceManager * _gdk_wayland_device_manager_new (GdkDisplay *display) { return g_object_new (GDK_TYPE_WAYLAND_DEVICE_MANAGER, "display", display, NULL); } uint32_t _gdk_wayland_device_get_button_press_serial (GdkWaylandDeviceData *device) { return device->button_press_serial; } static GdkAtom mime_type_to_gdk_atom (char *mime_type) { if (strcmp (mime_type, "text/plain;charset=utf8")) return gdk_atom_intern_static_string ("UTF8_STRING"); return GDK_NONE; } gint gdk_wayland_device_get_selection_type_atoms (GdkDevice *gdk_device, GdkAtom **atoms_out) { gint i; GdkAtom *atoms; GdkWaylandDeviceData *device; g_return_val_if_fail (GDK_IS_WAYLAND_DEVICE (gdk_device), 0); g_return_val_if_fail (atoms_out != NULL, 0); device = GDK_WAYLAND_DEVICE (gdk_device)->device; if (!device->selection_offer || device->selection_offer->types->len == 0) { *atoms_out = NULL; return 0; } atoms = g_new0 (GdkAtom, device->selection_offer->types->len); /* Convert list of targets to atoms */ for (i = 0; i < device->selection_offer->types->len; i++) atoms[i] = mime_type_to_gdk_atom (device->selection_offer->types->pdata[i]); *atoms_out = atoms; return device->selection_offer->types->len; } typedef struct { GdkWaylandDeviceData *device; DataOffer *offer; GIOChannel *channel; GdkDeviceWaylandRequestContentCallback cb; gpointer userdata; } RequestContentClosure; static gboolean _request_content_io_func (GIOChannel *channel, GIOCondition condition, gpointer userdata) { RequestContentClosure *closure = (RequestContentClosure *)userdata; gchar *data = NULL; gsize len = 0; GError *error = NULL; /* FIXME: We probably want to do something better than this * to avoid blocking on the transfer of large pieces of data: * call the callback multiple times I should think. */ if (g_io_channel_read_to_end (channel, &data, &len, &error) != G_IO_STATUS_NORMAL) { g_warning (G_STRLOC ": Error reading content from pipe: %s", error->message); g_clear_error (&error); } /* Since we use _read_to_end we've got a guaranteed EOF and thus can go * ahead and close the fd */ g_io_channel_shutdown (channel, TRUE, NULL); closure->cb (closure->device->pointer, data, len, closure->userdata); g_free (data); data_offer_unref (closure->offer); g_io_channel_unref (channel); g_free (closure); return FALSE; } gboolean gdk_wayland_device_request_selection_content (GdkDevice *gdk_device, const gchar *requested_mime_type, GdkDeviceWaylandRequestContentCallback cb, gpointer userdata) { int pipe_fd[2]; RequestContentClosure *closure; GdkWaylandDeviceData *device; GError *error = NULL; g_return_val_if_fail (GDK_IS_WAYLAND_DEVICE (gdk_device), FALSE); g_return_val_if_fail (requested_mime_type != NULL, FALSE); g_return_val_if_fail (cb != NULL, FALSE); device = GDK_WAYLAND_DEVICE (gdk_device)->device; if (!device->selection_offer) return FALSE; /* TODO: Check mimetypes */ closure = g_new0 (RequestContentClosure, 1); device->selection_offer->ref_count++; pipe2 (pipe_fd, O_CLOEXEC); wl_data_offer_receive (device->selection_offer->offer, requested_mime_type, pipe_fd[1]); close (pipe_fd[1]); closure->device = device; closure->offer = device->selection_offer; closure->channel = g_io_channel_unix_new (pipe_fd[0]); closure->cb = cb; closure->userdata = userdata; if (!g_io_channel_set_encoding (closure->channel, NULL, &error)) { g_warning (G_STRLOC ": Error setting encoding on channel: %s", error->message); g_clear_error (&error); goto error; } g_io_add_watch (closure->channel, G_IO_IN, _request_content_io_func, closure); return TRUE; error: data_offer_unref (closure->offer); g_io_channel_unref (closure->channel); close (pipe_fd[1]); g_free (closure); return FALSE; } struct _GdkWaylandSelectionOffer { GdkDeviceWaylandOfferContentCallback cb; gpointer userdata; struct wl_data_source *source; GdkWaylandDeviceData *device; }; static void data_source_target (void *data, struct wl_data_source *source, const char *mime_type) { g_debug (G_STRLOC ": %s source = %p, mime_type = %s", G_STRFUNC, source, mime_type); } static void data_source_send (void *data, struct wl_data_source *source, const char *mime_type, int32_t fd) { GdkWaylandSelectionOffer *offer = (GdkWaylandSelectionOffer *)data; gchar *buf; gssize len, bytes_written = 0; g_debug (G_STRLOC ": %s source = %p, mime_type = %s fd = %d", G_STRFUNC, source, mime_type, fd); buf = offer->cb (offer->device->pointer, mime_type, &len, offer->userdata); while (len > 0) { bytes_written += write (fd, buf + bytes_written, len); if (bytes_written == -1) goto error; len -= bytes_written; } close (fd); g_free (buf); return; error: g_warning (G_STRLOC ": Error writing data to client: %s", g_strerror (errno)); close (fd); g_free (buf); } static void data_source_cancelled (void *data, struct wl_data_source *source) { g_debug (G_STRLOC ": %s source = %p", G_STRFUNC, source); } static const struct wl_data_source_listener data_source_listener = { data_source_target, data_source_send, data_source_cancelled }; static guint32 _wl_time_now (void) { struct timeval tv; gettimeofday (&tv, NULL); return tv.tv_sec * 1000 + tv.tv_usec / 1000; } gboolean gdk_wayland_device_offer_selection_content (GdkDevice *gdk_device, const gchar **mime_types, gint nr_mime_types, GdkDeviceWaylandOfferContentCallback cb, gpointer userdata) { GdkDisplay *display; GdkWaylandDisplay *display_wayland; GdkWaylandSelectionOffer *offer; GdkWaylandDeviceData *device; gint i; g_return_val_if_fail (GDK_IS_WAYLAND_DEVICE (gdk_device), 0); device = GDK_WAYLAND_DEVICE (gdk_device)->device; display = device->display; display_wayland = GDK_WAYLAND_DISPLAY (display); offer = g_new0 (GdkWaylandSelectionOffer, 1); offer->cb = cb; offer->userdata = userdata; offer->source = wl_data_device_manager_create_data_source (display_wayland->data_device_manager); offer->device = device; for (i = 0; i < nr_mime_types; i++) wl_data_source_offer (offer->source, mime_types[i]); wl_data_source_add_listener (offer->source, &data_source_listener, offer); wl_data_device_set_selection (device->data_device, offer->source, _gdk_wayland_display_get_serial (display_wayland)); device->selection_offer_out = offer; return TRUE; } gboolean gdk_wayland_device_clear_selection_content (GdkDevice *gdk_device) { GdkWaylandDeviceData *device; g_return_val_if_fail (GDK_IS_WAYLAND_DEVICE (gdk_device), 0); device = GDK_WAYLAND_DEVICE (gdk_device)->device; if (!device->selection_offer_out) return FALSE; wl_data_device_set_selection (device->data_device, NULL, _wl_time_now ()); wl_data_source_destroy (device->selection_offer_out->source); g_free (device->selection_offer_out); device->selection_offer_out = NULL; return TRUE; }