/* * Copyright © 2008-2011 Kristian Høgsberg * Copyright © 2012 Collabora, Ltd. * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice (including the * next paragraph) shall be included in all copies or substantial * portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ #ifndef _WAYLAND_SYSTEM_COMPOSITOR_H_ #define _WAYLAND_SYSTEM_COMPOSITOR_H_ #ifdef __cplusplus extern "C" { #endif #include #include #include #include #include #define WL_HIDE_DEPRECATED #include #include "version.h" #include "matrix.h" #include "config-parser.h" #include "zalloc.h" #include "timeline-object.h" struct weston_geometry { int32_t x, y; int32_t width, height; }; struct weston_position { int32_t x, y; }; struct weston_size { int32_t width, height; }; struct weston_transform { struct weston_matrix matrix; struct wl_list link; }; struct weston_surface; struct weston_buffer; struct shell_surface; struct weston_seat; struct weston_output; struct input_method; struct weston_pointer; struct linux_dmabuf_buffer; struct weston_recorder; struct weston_pointer_constraint; enum weston_keyboard_modifier { MODIFIER_CTRL = (1 << 0), MODIFIER_ALT = (1 << 1), MODIFIER_SUPER = (1 << 2), MODIFIER_SHIFT = (1 << 3), }; enum weston_keyboard_locks { WESTON_NUM_LOCK = (1 << 0), WESTON_CAPS_LOCK = (1 << 1), }; enum weston_led { LED_NUM_LOCK = (1 << 0), LED_CAPS_LOCK = (1 << 1), LED_SCROLL_LOCK = (1 << 2), }; struct weston_mode { uint32_t flags; int32_t width, height; uint32_t refresh; struct wl_list link; }; struct weston_animation { void (*frame)(struct weston_animation *animation, struct weston_output *output, uint32_t msecs); int frame_counter; struct wl_list link; }; enum { WESTON_SPRING_OVERSHOOT, WESTON_SPRING_CLAMP, WESTON_SPRING_BOUNCE }; struct weston_spring { double k; double friction; double current; double target; double previous; double min, max; uint32_t timestamp; uint32_t clip; }; struct weston_output_zoom { bool active; float increment; float level; float max_level; float trans_x, trans_y; struct { double x, y; } current; struct weston_seat *seat; struct weston_animation animation_z; struct weston_spring spring_z; struct wl_listener motion_listener; }; /* bit compatible with drm definitions. */ enum dpms_enum { WESTON_DPMS_ON, WESTON_DPMS_STANDBY, WESTON_DPMS_SUSPEND, WESTON_DPMS_OFF }; struct weston_output { uint32_t id; char *name; void *renderer_state; struct wl_list link; struct wl_list resource_list; struct wl_global *global; struct weston_compositor *compositor; /** From global to output buffer coordinates. */ struct weston_matrix matrix; /** From output buffer to global coordinates. */ struct weston_matrix inverse_matrix; struct wl_list animation_list; int32_t x, y, width, height; int32_t mm_width, mm_height; /** Output area in global coordinates, simple rect */ pixman_region32_t region; pixman_region32_t previous_damage; int repaint_needed; int repaint_scheduled; struct wl_event_source *repaint_timer; struct weston_output_zoom zoom; int dirty; struct wl_signal frame_signal; struct wl_signal destroy_signal; int move_x, move_y; uint32_t frame_time; /* presentation timestamp in milliseconds */ uint64_t msc; /* media stream counter */ int disable_planes; int destroying; struct wl_list feedback_list; char *make, *model, *serial_number; uint32_t subpixel; uint32_t transform; int32_t native_scale; int32_t current_scale; int32_t original_scale; struct weston_mode *native_mode; struct weston_mode *current_mode; struct weston_mode *original_mode; struct wl_list mode_list; void (*start_repaint_loop)(struct weston_output *output); int (*repaint)(struct weston_output *output, pixman_region32_t *damage); void (*destroy)(struct weston_output *output); void (*assign_planes)(struct weston_output *output); int (*switch_mode)(struct weston_output *output, struct weston_mode *mode); /* backlight values are on 0-255 range, where higher is brighter */ int32_t backlight_current; void (*set_backlight)(struct weston_output *output, uint32_t value); void (*set_dpms)(struct weston_output *output, enum dpms_enum level); int connection_internal; uint16_t gamma_size; void (*set_gamma)(struct weston_output *output, uint16_t size, uint16_t *r, uint16_t *g, uint16_t *b); struct weston_timeline_object timeline; bool enabled; int scale; int (*enable)(struct weston_output *output); int (*disable)(struct weston_output *output); }; enum weston_pointer_motion_mask { WESTON_POINTER_MOTION_ABS = 1 << 0, WESTON_POINTER_MOTION_REL = 1 << 1, WESTON_POINTER_MOTION_REL_UNACCEL = 1 << 2, }; struct weston_pointer_motion_event { uint32_t mask; uint64_t time_usec; double x; double y; double dx; double dy; double dx_unaccel; double dy_unaccel; }; struct weston_pointer_axis_event { uint32_t axis; double value; bool has_discrete; int32_t discrete; }; struct weston_pointer_grab; struct weston_pointer_grab_interface { void (*focus)(struct weston_pointer_grab *grab); void (*motion)(struct weston_pointer_grab *grab, uint32_t time, struct weston_pointer_motion_event *event); void (*button)(struct weston_pointer_grab *grab, uint32_t time, uint32_t button, uint32_t state); void (*axis)(struct weston_pointer_grab *grab, uint32_t time, struct weston_pointer_axis_event *event); void (*axis_source)(struct weston_pointer_grab *grab, uint32_t source); void (*frame)(struct weston_pointer_grab *grab); void (*cancel)(struct weston_pointer_grab *grab); }; struct weston_pointer_grab { const struct weston_pointer_grab_interface *interface; struct weston_pointer *pointer; }; struct weston_keyboard_grab; struct weston_keyboard_grab_interface { void (*key)(struct weston_keyboard_grab *grab, uint32_t time, uint32_t key, uint32_t state); void (*modifiers)(struct weston_keyboard_grab *grab, uint32_t serial, uint32_t mods_depressed, uint32_t mods_latched, uint32_t mods_locked, uint32_t group); void (*cancel)(struct weston_keyboard_grab *grab); }; struct weston_keyboard_grab { const struct weston_keyboard_grab_interface *interface; struct weston_keyboard *keyboard; }; struct weston_touch_grab; struct weston_touch_grab_interface { void (*down)(struct weston_touch_grab *grab, uint32_t time, int touch_id, wl_fixed_t sx, wl_fixed_t sy); void (*up)(struct weston_touch_grab *grab, uint32_t time, int touch_id); void (*motion)(struct weston_touch_grab *grab, uint32_t time, int touch_id, wl_fixed_t sx, wl_fixed_t sy); void (*frame)(struct weston_touch_grab *grab); void (*cancel)(struct weston_touch_grab *grab); }; struct weston_touch_grab { const struct weston_touch_grab_interface *interface; struct weston_touch *touch; }; struct weston_data_offer { struct wl_resource *resource; struct weston_data_source *source; struct wl_listener source_destroy_listener; uint32_t dnd_actions; enum wl_data_device_manager_dnd_action preferred_dnd_action; bool in_ask; }; struct weston_data_source { struct wl_resource *resource; struct wl_signal destroy_signal; struct wl_array mime_types; struct weston_data_offer *offer; struct weston_seat *seat; bool accepted; bool actions_set; uint32_t dnd_actions; enum wl_data_device_manager_dnd_action current_dnd_action; enum wl_data_device_manager_dnd_action compositor_action; void (*accept)(struct weston_data_source *source, uint32_t serial, const char *mime_type); void (*send)(struct weston_data_source *source, const char *mime_type, int32_t fd); void (*cancel)(struct weston_data_source *source); }; struct weston_pointer_client { struct wl_list link; struct wl_client *client; struct wl_list pointer_resources; struct wl_list relative_pointer_resources; }; struct weston_pointer { struct weston_seat *seat; struct wl_list pointer_clients; struct weston_view *focus; struct weston_pointer_client *focus_client; uint32_t focus_serial; struct wl_listener focus_view_listener; struct wl_listener focus_resource_listener; struct wl_signal focus_signal; struct wl_signal motion_signal; struct wl_signal destroy_signal; struct weston_view *sprite; struct wl_listener sprite_destroy_listener; int32_t hotspot_x, hotspot_y; struct weston_pointer_grab *grab; struct weston_pointer_grab default_grab; wl_fixed_t grab_x, grab_y; uint32_t grab_button; uint32_t grab_serial; uint32_t grab_time; wl_fixed_t x, y; wl_fixed_t sx, sy; uint32_t button_count; struct wl_listener output_destroy_listener; }; struct weston_touch { struct weston_seat *seat; struct wl_list resource_list; struct wl_list focus_resource_list; struct weston_view *focus; struct wl_listener focus_view_listener; struct wl_listener focus_resource_listener; uint32_t focus_serial; struct wl_signal focus_signal; uint32_t num_tp; struct weston_touch_grab *grab; struct weston_touch_grab default_grab; int grab_touch_id; wl_fixed_t grab_x, grab_y; uint32_t grab_serial; uint32_t grab_time; }; void weston_pointer_motion_to_abs(struct weston_pointer *pointer, struct weston_pointer_motion_event *event, wl_fixed_t *x, wl_fixed_t *y); struct weston_pointer * weston_pointer_create(struct weston_seat *seat); void weston_pointer_destroy(struct weston_pointer *pointer); void weston_pointer_send_motion(struct weston_pointer *pointer, uint32_t time, struct weston_pointer_motion_event *event); bool weston_pointer_has_focus_resource(struct weston_pointer *pointer); void weston_pointer_send_button(struct weston_pointer *pointer, uint32_t time, uint32_t button, uint32_t state_w); void weston_pointer_send_axis(struct weston_pointer *pointer, uint32_t time, struct weston_pointer_axis_event *event); void weston_pointer_send_axis_source(struct weston_pointer *pointer, uint32_t source); void weston_pointer_send_frame(struct weston_pointer *pointer); void weston_pointer_set_focus(struct weston_pointer *pointer, struct weston_view *view, wl_fixed_t sx, wl_fixed_t sy); void weston_pointer_clear_focus(struct weston_pointer *pointer); void weston_pointer_start_grab(struct weston_pointer *pointer, struct weston_pointer_grab *grab); void weston_pointer_end_grab(struct weston_pointer *pointer); void weston_pointer_clamp(struct weston_pointer *pointer, wl_fixed_t *fx, wl_fixed_t *fy); void weston_pointer_move(struct weston_pointer *pointer, struct weston_pointer_motion_event *event); void weston_pointer_set_default_grab(struct weston_pointer *pointer, const struct weston_pointer_grab_interface *interface); void weston_pointer_constraint_destroy(struct weston_pointer_constraint *constraint); struct weston_keyboard * weston_keyboard_create(void); void weston_keyboard_destroy(struct weston_keyboard *keyboard); void weston_keyboard_set_focus(struct weston_keyboard *keyboard, struct weston_surface *surface); void weston_keyboard_start_grab(struct weston_keyboard *device, struct weston_keyboard_grab *grab); void weston_keyboard_end_grab(struct weston_keyboard *keyboard); int /* * 'mask' and 'value' should be a bitwise mask of one or more * valued of the weston_keyboard_locks enum. */ weston_keyboard_set_locks(struct weston_keyboard *keyboard, uint32_t mask, uint32_t value); bool weston_keyboard_has_focus_resource(struct weston_keyboard *keyboard); void weston_keyboard_send_key(struct weston_keyboard *keyboard, uint32_t time, uint32_t key, enum wl_keyboard_key_state state); void weston_keyboard_send_modifiers(struct weston_keyboard *keyboard, uint32_t serial, uint32_t mods_depressed, uint32_t mods_latched, uint32_t mods_locked, uint32_t group); struct weston_touch * weston_touch_create(void); void weston_touch_destroy(struct weston_touch *touch); void weston_touch_set_focus(struct weston_touch *touch, struct weston_view *view); void weston_touch_start_grab(struct weston_touch *device, struct weston_touch_grab *grab); void weston_touch_end_grab(struct weston_touch *touch); bool weston_touch_has_focus_resource(struct weston_touch *touch); void weston_touch_send_down(struct weston_touch *touch, uint32_t time, int touch_id, wl_fixed_t x, wl_fixed_t y); void weston_touch_send_up(struct weston_touch *touch, uint32_t time, int touch_id); void weston_touch_send_motion(struct weston_touch *touch, uint32_t time, int touch_id, wl_fixed_t x, wl_fixed_t y); void weston_touch_send_frame(struct weston_touch *touch); void wl_data_device_set_keyboard_focus(struct weston_seat *seat); int wl_data_device_manager_init(struct wl_display *display); void weston_seat_set_selection(struct weston_seat *seat, struct weston_data_source *source, uint32_t serial); void weston_seat_send_selection(struct weston_seat *seat, struct wl_client *client); int weston_pointer_start_drag(struct weston_pointer *pointer, struct weston_data_source *source, struct weston_surface *icon, struct wl_client *client); int weston_touch_start_drag(struct weston_touch *touch, struct weston_data_source *source, struct weston_surface *icon, struct wl_client *client); struct weston_xkb_info { struct xkb_keymap *keymap; int keymap_fd; size_t keymap_size; char *keymap_area; int32_t ref_count; xkb_mod_index_t shift_mod; xkb_mod_index_t caps_mod; xkb_mod_index_t ctrl_mod; xkb_mod_index_t alt_mod; xkb_mod_index_t mod2_mod; xkb_mod_index_t mod3_mod; xkb_mod_index_t super_mod; xkb_mod_index_t mod5_mod; xkb_led_index_t num_led; xkb_led_index_t caps_led; xkb_led_index_t scroll_led; }; struct weston_keyboard { struct weston_seat *seat; struct wl_list resource_list; struct wl_list focus_resource_list; struct weston_surface *focus; struct wl_listener focus_resource_listener; uint32_t focus_serial; struct wl_signal focus_signal; struct weston_keyboard_grab *grab; struct weston_keyboard_grab default_grab; uint32_t grab_key; uint32_t grab_serial; uint32_t grab_time; struct wl_array keys; struct { uint32_t mods_depressed; uint32_t mods_latched; uint32_t mods_locked; uint32_t group; } modifiers; struct weston_keyboard_grab input_method_grab; struct wl_resource *input_method_resource; struct weston_xkb_info *xkb_info; struct { struct xkb_state *state; enum weston_led leds; } xkb_state; struct xkb_keymap *pending_keymap; }; struct weston_seat { struct wl_list base_resource_list; struct wl_global *global; struct weston_pointer *pointer_state; struct weston_keyboard *keyboard_state; struct weston_touch *touch_state; int pointer_device_count; int keyboard_device_count; int touch_device_count; struct weston_output *output; /* constraint */ struct wl_signal destroy_signal; struct wl_signal updated_caps_signal; struct weston_compositor *compositor; struct wl_list link; enum weston_keyboard_modifier modifier_state; struct weston_surface *saved_kbd_focus; struct wl_listener saved_kbd_focus_listener; struct wl_list drag_resource_list; uint32_t selection_serial; struct weston_data_source *selection_data_source; struct wl_listener selection_data_source_listener; struct wl_signal selection_signal; void (*led_update)(struct weston_seat *ws, enum weston_led leds); struct input_method *input_method; char *seat_name; }; enum { WESTON_COMPOSITOR_ACTIVE, /* normal rendering and events */ WESTON_COMPOSITOR_IDLE, /* shell->unlock called on activity */ WESTON_COMPOSITOR_OFFSCREEN, /* no rendering, no frame events */ WESTON_COMPOSITOR_SLEEPING /* same as offscreen, but also set dpms * to off */ }; struct weston_layer_entry { struct wl_list link; struct weston_layer *layer; }; struct weston_layer { struct weston_layer_entry view_list; struct wl_list link; pixman_box32_t mask; }; struct weston_plane { struct weston_compositor *compositor; pixman_region32_t damage; /**< in global coords */ pixman_region32_t clip; int32_t x, y; struct wl_list link; }; struct weston_renderer { int (*read_pixels)(struct weston_output *output, pixman_format_code_t format, void *pixels, uint32_t x, uint32_t y, uint32_t width, uint32_t height); void (*repaint_output)(struct weston_output *output, pixman_region32_t *output_damage); void (*flush_damage)(struct weston_surface *surface); void (*attach)(struct weston_surface *es, struct weston_buffer *buffer); void (*surface_set_color)(struct weston_surface *surface, float red, float green, float blue, float alpha); void (*destroy)(struct weston_compositor *ec); /** See weston_surface_get_content_size() */ void (*surface_get_content_size)(struct weston_surface *surface, int *width, int *height); /** See weston_surface_copy_content() */ int (*surface_copy_content)(struct weston_surface *surface, void *target, size_t size, int src_x, int src_y, int width, int height); /** See weston_compositor_import_dmabuf() */ bool (*import_dmabuf)(struct weston_compositor *ec, struct linux_dmabuf_buffer *buffer); }; enum weston_capability { /* backend/renderer supports arbitrary rotation */ WESTON_CAP_ROTATION_ANY = 0x0001, /* screencaptures need to be y-flipped */ WESTON_CAP_CAPTURE_YFLIP = 0x0002, /* backend/renderer has a separate cursor plane */ WESTON_CAP_CURSOR_PLANE = 0x0004, /* backend supports setting arbitrary resolutions */ WESTON_CAP_ARBITRARY_MODES = 0x0008, /* renderer supports weston_view_set_mask() clipping */ WESTON_CAP_VIEW_CLIP_MASK = 0x0010, }; /* Configuration struct for a backend. * * This struct carries the configuration for a backend, and it's * passed to the backend's init entry point. The backend will * likely want to subclass this in order to handle backend specific * data. * * NOTE: Alternate designs were proposed (Feb 2016) for using opaque * structures[1] and for section+key/value getter/setters[2]. The rationale * for selecting the transparent structure design is based on several * assumptions[3] which may require re-evaluating the design choice if they * fail to hold. * * 1: https://lists.freedesktop.org/archives/wayland-devel/2016-February/026989.html * 2: https://lists.freedesktop.org/archives/wayland-devel/2016-February/026929.html * 3: https://lists.freedesktop.org/archives/wayland-devel/2016-February/027228.html */ struct weston_backend_config { /** Major version for the backend-specific config struct * * This version must match exactly what the backend expects, otherwise * the struct is incompatible. */ uint32_t struct_version; /** Minor version of the backend-specific config struct * * This must be set to sizeof(struct backend-specific config). * If the value here is smaller than what the backend expects, the * extra config members will assume their default values. * * A value greater than what the backend expects is incompatible. */ size_t struct_size; }; struct weston_backend { void (*destroy)(struct weston_compositor *compositor); void (*restore)(struct weston_compositor *compositor); }; struct weston_desktop_xwayland; struct weston_desktop_xwayland_interface; struct weston_compositor { struct wl_signal destroy_signal; struct wl_display *wl_display; struct weston_desktop_xwayland *xwayland; const struct weston_desktop_xwayland_interface *xwayland_interface; /* surface signals */ struct wl_signal create_surface_signal; struct wl_signal activate_signal; struct wl_signal transform_signal; struct wl_signal kill_signal; struct wl_signal idle_signal; struct wl_signal wake_signal; struct wl_signal show_input_panel_signal; struct wl_signal hide_input_panel_signal; struct wl_signal update_input_panel_signal; struct wl_signal seat_created_signal; struct wl_signal output_pending_signal; struct wl_signal output_created_signal; struct wl_signal output_destroyed_signal; struct wl_signal output_moved_signal; struct wl_signal output_resized_signal; /* callback argument: resized output */ struct wl_signal session_signal; int session_active; struct weston_layer fade_layer; struct weston_layer cursor_layer; struct wl_list pending_output_list; struct wl_list output_list; struct wl_list seat_list; struct wl_list layer_list; struct wl_list view_list; /* struct weston_view::link */ struct wl_list plane_list; struct wl_list key_binding_list; struct wl_list modifier_binding_list; struct wl_list button_binding_list; struct wl_list touch_binding_list; struct wl_list axis_binding_list; struct wl_list debug_binding_list; uint32_t state; struct wl_event_source *idle_source; uint32_t idle_inhibit; int idle_time; /* timeout, s */ const struct weston_pointer_grab_interface *default_pointer_grab; /* Repaint state. */ struct weston_plane primary_plane; uint32_t capabilities; /* combination of enum weston_capability */ struct weston_renderer *renderer; pixman_format_code_t read_format; struct weston_backend *backend; struct weston_launcher *launcher; struct wl_list plugin_api_list; /* struct weston_plugin_api::link */ uint32_t output_id_pool; struct xkb_rule_names xkb_names; struct xkb_context *xkb_context; struct weston_xkb_info *xkb_info; /* Raw keyboard processing (no libxkbcommon initialization or handling) */ int use_xkbcommon; int32_t kb_repeat_rate; int32_t kb_repeat_delay; bool vt_switching; clockid_t presentation_clock; int32_t repaint_msec; unsigned int activate_serial; struct wl_global *pointer_constraints; int exit_code; void *user_data; void (*exit)(struct weston_compositor *c); /* Whether to let the compositor run without any input device. */ bool require_input; }; struct weston_buffer { struct wl_resource *resource; struct wl_signal destroy_signal; struct wl_listener destroy_listener; union { struct wl_shm_buffer *shm_buffer; void *legacy_buffer; }; int32_t width, height; uint32_t busy_count; int y_inverted; }; struct weston_buffer_reference { struct weston_buffer *buffer; struct wl_listener destroy_listener; }; struct weston_buffer_viewport { struct { /* wl_surface.set_buffer_transform */ uint32_t transform; /* wl_surface.set_scaling_factor */ int32_t scale; /* * If src_width != wl_fixed_from_int(-1), * then and only then src_* are used. */ wl_fixed_t src_x, src_y; wl_fixed_t src_width, src_height; } buffer; struct { /* * If width == -1, the size is inferred from the buffer. */ int32_t width, height; } surface; int changed; }; struct weston_region { struct wl_resource *resource; pixman_region32_t region; }; /* Using weston_view transformations * * To add a transformation to a view, create a struct weston_transform, and * add it to the list view->geometry.transformation_list. Whenever you * change the list, anything under view->geometry, or anything in the * weston_transforms linked into the list, you must call * weston_view_geometry_dirty(). * * The order in the list defines the order of transformations. Let the list * contain the transformation matrices M1, ..., Mn as head to tail. The * transformation is applied to view-local coordinate vector p as * P = Mn * ... * M2 * M1 * p * to produce the global coordinate vector P. The total transform * Mn * ... * M2 * M1 * is cached in view->transform.matrix, and the inverse of it in * view->transform.inverse. * * The list always contains view->transform.position transformation, which * is the translation by view->geometry.x and y. * * If you want to apply a transformation in local coordinates, add your * weston_transform to the head of the list. If you want to apply a * transformation in global coordinates, add it to the tail of the list. * * If view->geometry.parent is set, the total transformation of this * view will be the parent's total transformation and this transformation * combined: * Mparent * Mn * ... * M2 * M1 */ struct weston_view { struct weston_surface *surface; struct wl_list surface_link; struct wl_signal destroy_signal; struct wl_list link; /* weston_compositor::view_list */ struct weston_layer_entry layer_link; /* part of geometry */ struct weston_plane *plane; /* For weston_layer inheritance from another view */ struct weston_view *parent_view; unsigned int click_to_activate_serial; pixman_region32_t clip; /* See weston_view_damage_below() */ float alpha; /* part of geometry, see below */ void *renderer_state; /* Surface geometry state, mutable. * If you change anything, call weston_surface_geometry_dirty(). * That includes the transformations referenced from the list. */ struct { float x, y; /* surface translation on display */ /* struct weston_transform */ struct wl_list transformation_list; /* managed by weston_surface_set_transform_parent() */ struct weston_view *parent; struct wl_listener parent_destroy_listener; struct wl_list child_list; /* geometry.parent_link */ struct wl_list parent_link; /* managed by weston_view_set_mask() */ bool scissor_enabled; pixman_region32_t scissor; /* always a simple rect */ } geometry; /* State derived from geometry state, read-only. * This is updated by weston_view_update_transform(). */ struct { int dirty; /* Approximations in global coordinates: * - boundingbox is guaranteed to include the whole view in * the smallest possible single rectangle. * - opaque is guaranteed to be fully opaque, though not * necessarily include all opaque areas. */ pixman_region32_t boundingbox; pixman_region32_t opaque; /* matrix and inverse are used only if enabled = 1. * If enabled = 0, use x, y, width, height directly. */ int enabled; struct weston_matrix matrix; struct weston_matrix inverse; struct weston_transform position; /* matrix from x, y */ } transform; /* * The primary output for this view. * Used for picking the output for driving internal animations on the * view, inheriting the primary output for related views in shells, etc. */ struct weston_output *output; /* * A more complete representation of all outputs this surface is * displayed on. */ uint32_t output_mask; /* Per-surface Presentation feedback flags, controlled by backend. */ uint32_t psf_flags; bool is_mapped; }; struct weston_surface_state { /* wl_surface.attach */ int newly_attached; struct weston_buffer *buffer; struct wl_listener buffer_destroy_listener; int32_t sx; int32_t sy; /* wl_surface.damage */ pixman_region32_t damage_surface; /* wl_surface.damage_buffer */ pixman_region32_t damage_buffer; /* wl_surface.set_opaque_region */ pixman_region32_t opaque; /* wl_surface.set_input_region */ pixman_region32_t input; /* wl_surface.frame */ struct wl_list frame_callback_list; /* presentation.feedback */ struct wl_list feedback_list; /* wl_surface.set_buffer_transform */ /* wl_surface.set_scaling_factor */ /* wp_viewport.set_source */ /* wp_viewport.set_destination */ struct weston_buffer_viewport buffer_viewport; }; struct weston_surface_activation_data { struct weston_surface *surface; struct weston_seat *seat; }; struct weston_pointer_constraint { struct wl_list link; struct weston_surface *surface; struct weston_view *view; struct wl_resource *resource; struct weston_pointer_grab grab; struct weston_pointer *pointer; uint32_t lifetime; pixman_region32_t region; pixman_region32_t region_pending; bool region_is_pending; wl_fixed_t hint_x; wl_fixed_t hint_y; wl_fixed_t hint_x_pending; wl_fixed_t hint_y_pending; bool hint_is_pending; struct wl_listener pointer_destroy_listener; struct wl_listener surface_destroy_listener; struct wl_listener surface_commit_listener; struct wl_listener surface_activate_listener; }; struct weston_surface { struct wl_resource *resource; struct wl_signal destroy_signal; /* callback argument: this surface */ struct weston_compositor *compositor; struct wl_signal commit_signal; /** Damage in local coordinates from the client, for tex upload. */ pixman_region32_t damage; pixman_region32_t opaque; /* part of geometry, see below */ pixman_region32_t input; int32_t width, height; int32_t ref_count; /* Not for long-term storage. This exists for book-keeping while * iterating over surfaces and views */ bool touched; void *renderer_state; struct wl_list views; /* * Which output to vsync this surface to. * Used to determine whether to send or queue frame events, and for * other client-visible syncing/throttling tied to the output * repaint cycle. */ struct weston_output *output; /* * A more complete representation of all outputs this surface is * displayed on. */ uint32_t output_mask; struct wl_list frame_callback_list; struct wl_list feedback_list; struct weston_buffer_reference buffer_ref; struct weston_buffer_viewport buffer_viewport; int32_t width_from_buffer; /* before applying viewport */ int32_t height_from_buffer; bool keep_buffer; /* for backends to prevent early release */ /* wp_viewport resource for this surface */ struct wl_resource *viewport_resource; /* All the pending state, that wl_surface.commit will apply. */ struct weston_surface_state pending; /* Matrices representating of the full transformation between * buffer and surface coordinates. These matrices are updated * using the weston_surface_build_buffer_matrix function. */ struct weston_matrix buffer_to_surface_matrix; struct weston_matrix surface_to_buffer_matrix; /* * If non-NULL, this function will be called on * wl_surface::commit after a new buffer has been set up for * this surface. The integer params are the sx and sy * parameters supplied to wl_surface::attach. */ void (*committed)(struct weston_surface *es, int32_t sx, int32_t sy); void *committed_private; int (*get_label)(struct weston_surface *surface, char *buf, size_t len); /* Parent's list of its sub-surfaces, weston_subsurface:parent_link. * Contains also the parent itself as a dummy weston_subsurface, * if the list is not empty. */ struct wl_list subsurface_list; /* weston_subsurface::parent_link */ struct wl_list subsurface_list_pending; /* ...::parent_link_pending */ /* * For tracking protocol role assignments. Different roles may * have the same configure hook, e.g. in shell.c. Configure hook * may get reset, this will not. * XXX: map configure functions 1:1 to roles, and never reset it, * and replace role_name with configure. */ const char *role_name; struct weston_timeline_object timeline; bool is_mapped; /* An list of per seat pointer constraints. */ struct wl_list pointer_constraints; }; struct weston_subsurface { struct wl_resource *resource; /* guaranteed to be valid and non-NULL */ struct weston_surface *surface; struct wl_listener surface_destroy_listener; /* can be NULL */ struct weston_surface *parent; struct wl_listener parent_destroy_listener; struct wl_list parent_link; struct wl_list parent_link_pending; struct { int32_t x; int32_t y; int set; } position; int has_cached_data; struct weston_surface_state cached; struct weston_buffer_reference cached_buffer_ref; int synchronized; /* Used for constructing the view tree */ struct wl_list unused_views; }; enum weston_key_state_update { STATE_UPDATE_AUTOMATIC, STATE_UPDATE_NONE, }; enum weston_activate_flag { WESTON_ACTIVATE_FLAG_NONE = 0, WESTON_ACTIVATE_FLAG_CONFIGURE = 1 << 0, WESTON_ACTIVATE_FLAG_CLICKED = 1 << 1, }; void weston_version(int *major, int *minor, int *micro); void weston_view_update_transform(struct weston_view *view); void weston_view_geometry_dirty(struct weston_view *view); void weston_view_to_global_fixed(struct weston_view *view, wl_fixed_t sx, wl_fixed_t sy, wl_fixed_t *x, wl_fixed_t *y); void weston_view_to_global_float(struct weston_view *view, float sx, float sy, float *x, float *y); void weston_view_from_global_float(struct weston_view *view, float x, float y, float *vx, float *vy); void weston_view_from_global(struct weston_view *view, int32_t x, int32_t y, int32_t *vx, int32_t *vy); void weston_view_from_global_fixed(struct weston_view *view, wl_fixed_t x, wl_fixed_t y, wl_fixed_t *vx, wl_fixed_t *vy); void weston_surface_to_buffer_float(struct weston_surface *surface, float x, float y, float *bx, float *by); pixman_box32_t weston_surface_to_buffer_rect(struct weston_surface *surface, pixman_box32_t rect); void weston_surface_to_buffer_region(struct weston_surface *surface, pixman_region32_t *surface_region, pixman_region32_t *buffer_region); void weston_spring_init(struct weston_spring *spring, double k, double current, double target); void weston_spring_update(struct weston_spring *spring, uint32_t msec); int weston_spring_done(struct weston_spring *spring); void weston_view_activate(struct weston_view *view, struct weston_seat *seat, uint32_t flags); void notify_motion(struct weston_seat *seat, uint32_t time, struct weston_pointer_motion_event *event); void notify_motion_absolute(struct weston_seat *seat, uint32_t time, double x, double y); void notify_button(struct weston_seat *seat, uint32_t time, int32_t button, enum wl_pointer_button_state state); void notify_axis(struct weston_seat *seat, uint32_t time, struct weston_pointer_axis_event *event); void notify_axis_source(struct weston_seat *seat, uint32_t source); void notify_pointer_frame(struct weston_seat *seat); void notify_key(struct weston_seat *seat, uint32_t time, uint32_t key, enum wl_keyboard_key_state state, enum weston_key_state_update update_state); void notify_modifiers(struct weston_seat *seat, uint32_t serial); void notify_pointer_focus(struct weston_seat *seat, struct weston_output *output, double x, double y); void notify_keyboard_focus_in(struct weston_seat *seat, struct wl_array *keys, enum weston_key_state_update update_state); void notify_keyboard_focus_out(struct weston_seat *seat); void notify_touch(struct weston_seat *seat, uint32_t time, int touch_id, double x, double y, int touch_type); void notify_touch_frame(struct weston_seat *seat); void notify_touch_cancel(struct weston_seat *seat); void weston_layer_entry_insert(struct weston_layer_entry *list, struct weston_layer_entry *entry); void weston_layer_entry_remove(struct weston_layer_entry *entry); void weston_layer_init(struct weston_layer *layer, struct wl_list *below); void weston_layer_set_mask(struct weston_layer *layer, int x, int y, int width, int height); void weston_layer_set_mask_infinite(struct weston_layer *layer); void weston_plane_init(struct weston_plane *plane, struct weston_compositor *ec, int32_t x, int32_t y); void weston_plane_release(struct weston_plane *plane); void weston_compositor_stack_plane(struct weston_compositor *ec, struct weston_plane *plane, struct weston_plane *above); /* An invalid flag in presented_flags to catch logic errors. */ #define WP_PRESENTATION_FEEDBACK_INVALID (1U << 31) void weston_output_finish_frame(struct weston_output *output, const struct timespec *stamp, uint32_t presented_flags); void weston_output_schedule_repaint(struct weston_output *output); void weston_output_damage(struct weston_output *output); void weston_compositor_schedule_repaint(struct weston_compositor *compositor); void weston_compositor_fade(struct weston_compositor *compositor, float tint); void weston_compositor_damage_all(struct weston_compositor *compositor); void weston_compositor_unlock(struct weston_compositor *compositor); void weston_compositor_wake(struct weston_compositor *compositor); void weston_compositor_offscreen(struct weston_compositor *compositor); void weston_compositor_sleep(struct weston_compositor *compositor); struct weston_view * weston_compositor_pick_view(struct weston_compositor *compositor, wl_fixed_t x, wl_fixed_t y, wl_fixed_t *sx, wl_fixed_t *sy); struct weston_binding; typedef void (*weston_key_binding_handler_t)(struct weston_keyboard *keyboard, uint32_t time, uint32_t key, void *data); struct weston_binding * weston_compositor_add_key_binding(struct weston_compositor *compositor, uint32_t key, enum weston_keyboard_modifier modifier, weston_key_binding_handler_t binding, void *data); typedef void (*weston_modifier_binding_handler_t)(struct weston_keyboard *keyboard, enum weston_keyboard_modifier modifier, void *data); struct weston_binding * weston_compositor_add_modifier_binding(struct weston_compositor *compositor, enum weston_keyboard_modifier modifier, weston_modifier_binding_handler_t binding, void *data); typedef void (*weston_button_binding_handler_t)(struct weston_pointer *pointer, uint32_t time, uint32_t button, void *data); struct weston_binding * weston_compositor_add_button_binding(struct weston_compositor *compositor, uint32_t button, enum weston_keyboard_modifier modifier, weston_button_binding_handler_t binding, void *data); typedef void (*weston_touch_binding_handler_t)(struct weston_touch *touch, uint32_t time, void *data); struct weston_binding * weston_compositor_add_touch_binding(struct weston_compositor *compositor, enum weston_keyboard_modifier modifier, weston_touch_binding_handler_t binding, void *data); typedef void (*weston_axis_binding_handler_t)(struct weston_pointer *pointer, uint32_t time, struct weston_pointer_axis_event *event, void *data); struct weston_binding * weston_compositor_add_axis_binding(struct weston_compositor *compositor, uint32_t axis, enum weston_keyboard_modifier modifier, weston_axis_binding_handler_t binding, void *data); struct weston_binding * weston_compositor_add_debug_binding(struct weston_compositor *compositor, uint32_t key, weston_key_binding_handler_t binding, void *data); void weston_binding_destroy(struct weston_binding *binding); void weston_install_debug_key_binding(struct weston_compositor *compositor, uint32_t mod); void weston_binding_list_destroy_all(struct wl_list *list); void weston_compositor_run_key_binding(struct weston_compositor *compositor, struct weston_keyboard *keyboard, uint32_t time, uint32_t key, enum wl_keyboard_key_state state); void weston_compositor_run_modifier_binding(struct weston_compositor *compositor, struct weston_keyboard *keyboard, enum weston_keyboard_modifier modifier, enum wl_keyboard_key_state state); void weston_compositor_run_button_binding(struct weston_compositor *compositor, struct weston_pointer *pointer, uint32_t time, uint32_t button, enum wl_pointer_button_state value); void weston_compositor_run_touch_binding(struct weston_compositor *compositor, struct weston_touch *touch, uint32_t time, int touch_type); int weston_compositor_run_axis_binding(struct weston_compositor *compositor, struct weston_pointer *pointer, uint32_t time, struct weston_pointer_axis_event *event); int weston_compositor_run_debug_binding(struct weston_compositor *compositor, struct weston_keyboard *keyboard, uint32_t time, uint32_t key, enum wl_keyboard_key_state state); void weston_compositor_set_default_pointer_grab(struct weston_compositor *compositor, const struct weston_pointer_grab_interface *interface); int weston_environment_get_fd(const char *env); struct weston_surface * weston_surface_create(struct weston_compositor *compositor); struct weston_view * weston_view_create(struct weston_surface *surface); void weston_view_destroy(struct weston_view *view); void weston_view_set_position(struct weston_view *view, float x, float y); void weston_view_set_transform_parent(struct weston_view *view, struct weston_view *parent); void weston_view_set_mask(struct weston_view *view, int x, int y, int width, int height); void weston_view_set_mask_infinite(struct weston_view *view); bool weston_view_is_mapped(struct weston_view *view); void weston_view_schedule_repaint(struct weston_view *view); bool weston_surface_is_mapped(struct weston_surface *surface); void weston_surface_set_size(struct weston_surface *surface, int32_t width, int32_t height); void weston_surface_schedule_repaint(struct weston_surface *surface); void weston_surface_damage(struct weston_surface *surface); void weston_view_damage_below(struct weston_view *view); void weston_view_move_to_plane(struct weston_view *view, struct weston_plane *plane); void weston_view_unmap(struct weston_view *view); void weston_surface_unmap(struct weston_surface *surface); struct weston_surface * weston_surface_get_main_surface(struct weston_surface *surface); int weston_surface_set_role(struct weston_surface *surface, const char *role_name, struct wl_resource *error_resource, uint32_t error_code); const char * weston_surface_get_role(struct weston_surface *surface); void weston_surface_set_label_func(struct weston_surface *surface, int (*desc)(struct weston_surface *, char *, size_t)); void weston_surface_get_content_size(struct weston_surface *surface, int *width, int *height); struct weston_geometry weston_surface_get_bounding_box(struct weston_surface *surface); int weston_surface_copy_content(struct weston_surface *surface, void *target, size_t size, int src_x, int src_y, int width, int height); struct weston_buffer * weston_buffer_from_resource(struct wl_resource *resource); void weston_buffer_reference(struct weston_buffer_reference *ref, struct weston_buffer *buffer); uint32_t weston_compositor_get_time(void); void weston_compositor_destroy(struct weston_compositor *ec); struct weston_compositor * weston_compositor_create(struct wl_display *display, void *user_data); enum weston_compositor_backend { WESTON_BACKEND_DRM, WESTON_BACKEND_FBDEV, WESTON_BACKEND_HEADLESS, WESTON_BACKEND_RDP, WESTON_BACKEND_WAYLAND, WESTON_BACKEND_X11, }; int weston_compositor_load_backend(struct weston_compositor *compositor, enum weston_compositor_backend backend, struct weston_backend_config *config_base); void weston_compositor_exit(struct weston_compositor *ec); void * weston_compositor_get_user_data(struct weston_compositor *compositor); int weston_compositor_set_presentation_clock(struct weston_compositor *compositor, clockid_t clk_id); int weston_compositor_set_presentation_clock_software( struct weston_compositor *compositor); void weston_compositor_read_presentation_clock( const struct weston_compositor *compositor, struct timespec *ts); bool weston_compositor_import_dmabuf(struct weston_compositor *compositor, struct linux_dmabuf_buffer *buffer); void weston_compositor_shutdown(struct weston_compositor *ec); void weston_compositor_exit_with_code(struct weston_compositor *compositor, int exit_code); void weston_output_init_zoom(struct weston_output *output); void weston_output_update_zoom(struct weston_output *output); void weston_output_activate_zoom(struct weston_output *output, struct weston_seat *seat); void weston_output_update_matrix(struct weston_output *output); void weston_output_move(struct weston_output *output, int x, int y); void weston_compositor_add_output(struct weston_compositor *compositor, struct weston_output *output); void weston_output_destroy(struct weston_output *output); void weston_output_transform_coordinate(struct weston_output *output, double device_x, double device_y, double *x, double *y); void weston_seat_init(struct weston_seat *seat, struct weston_compositor *ec, const char *seat_name); void weston_seat_init_pointer(struct weston_seat *seat); void weston_seat_release_pointer(struct weston_seat *seat); int weston_seat_init_keyboard(struct weston_seat *seat, struct xkb_keymap *keymap); void weston_seat_release_keyboard(struct weston_seat *seat); void weston_seat_init_touch(struct weston_seat *seat); void weston_seat_release_touch(struct weston_seat *seat); void weston_seat_repick(struct weston_seat *seat); void weston_seat_update_keymap(struct weston_seat *seat, struct xkb_keymap *keymap); void weston_seat_release(struct weston_seat *seat); int weston_compositor_set_xkb_rule_names(struct weston_compositor *ec, struct xkb_rule_names *names); void weston_compositor_xkb_destroy(struct weston_compositor *ec); /* String literal of spaces, the same width as the timestamp. */ #define STAMP_SPACE " " typedef int (*log_func_t)(const char *fmt, va_list ap); void weston_log_set_handler(log_func_t log, log_func_t cont); int weston_vlog(const char *fmt, va_list ap); int weston_vlog_continue(const char *fmt, va_list ap); int weston_log(const char *fmt, ...) __attribute__ ((format (printf, 1, 2))); int weston_log_continue(const char *fmt, ...) __attribute__ ((format (printf, 1, 2))); enum { TTY_ENTER_VT, TTY_LEAVE_VT }; struct tty * tty_create(struct weston_compositor *compositor, int tty_nr); void tty_destroy(struct tty *tty); void tty_reset(struct tty *tty); int tty_activate_vt(struct tty *tty, int vt); enum weston_screenshooter_outcome { WESTON_SCREENSHOOTER_SUCCESS, WESTON_SCREENSHOOTER_NO_MEMORY, WESTON_SCREENSHOOTER_BAD_BUFFER }; typedef void (*weston_screenshooter_done_func_t)(void *data, enum weston_screenshooter_outcome outcome); int weston_screenshooter_shoot(struct weston_output *output, struct weston_buffer *buffer, weston_screenshooter_done_func_t done, void *data); struct weston_recorder * weston_recorder_start(struct weston_output *output, const char *filename); void weston_recorder_stop(struct weston_recorder *recorder); struct clipboard * clipboard_create(struct weston_seat *seat); struct weston_view_animation; typedef void (*weston_view_animation_done_func_t)(struct weston_view_animation *animation, void *data); void weston_view_animation_destroy(struct weston_view_animation *animation); struct weston_view_animation * weston_zoom_run(struct weston_view *view, float start, float stop, weston_view_animation_done_func_t done, void *data); struct weston_view_animation * weston_fade_run(struct weston_view *view, float start, float end, float k, weston_view_animation_done_func_t done, void *data); struct weston_view_animation * weston_move_scale_run(struct weston_view *view, int dx, int dy, float start, float end, int reverse, weston_view_animation_done_func_t done, void *data); void weston_fade_update(struct weston_view_animation *fade, float target); struct weston_view_animation * weston_stable_fade_run(struct weston_view *front_view, float start, struct weston_view *back_view, float end, weston_view_animation_done_func_t done, void *data); struct weston_view_animation * weston_slide_run(struct weston_view *view, float start, float stop, weston_view_animation_done_func_t done, void *data); void weston_surface_set_color(struct weston_surface *surface, float red, float green, float blue, float alpha); void weston_surface_destroy(struct weston_surface *surface); int weston_output_mode_set_native(struct weston_output *output, struct weston_mode *mode, int32_t scale); int weston_output_mode_switch_to_temporary(struct weston_output *output, struct weston_mode *mode, int32_t scale); int weston_output_mode_switch_to_native(struct weston_output *output); int noop_renderer_init(struct weston_compositor *ec); int weston_input_init(struct weston_compositor *compositor); int backend_init(struct weston_compositor *c, struct weston_backend_config *config_base); int module_init(struct weston_compositor *compositor, int *argc, char *argv[]); void weston_transformed_coord(int width, int height, enum wl_output_transform transform, int32_t scale, float sx, float sy, float *bx, float *by); pixman_box32_t weston_transformed_rect(int width, int height, enum wl_output_transform transform, int32_t scale, pixman_box32_t rect); void weston_matrix_transform_region(pixman_region32_t *dest, struct weston_matrix *matrix, pixman_region32_t *src); void weston_transformed_region(int width, int height, enum wl_output_transform transform, int32_t scale, pixman_region32_t *src, pixman_region32_t *dest); void * weston_load_module(const char *name, const char *entrypoint); int weston_parse_transform(const char *transform, uint32_t *out); const char * weston_transform_to_string(uint32_t output_transform); struct weston_keyboard * weston_seat_get_keyboard(struct weston_seat *seat); struct weston_pointer * weston_seat_get_pointer(struct weston_seat *seat); struct weston_touch * weston_seat_get_touch(struct weston_seat *seat); void weston_seat_set_keyboard_focus(struct weston_seat *seat, struct weston_surface *surface); int weston_compositor_load_xwayland(struct weston_compositor *compositor); void weston_output_set_scale(struct weston_output *output, int32_t scale); void weston_output_set_transform(struct weston_output *output, uint32_t transform); void weston_output_init(struct weston_output *output, struct weston_compositor *compositor); void weston_compositor_add_pending_output(struct weston_output *output, struct weston_compositor *compositor); int weston_output_enable(struct weston_output *output); void weston_output_disable(struct weston_output *output); void weston_pending_output_coldplug(struct weston_compositor *compositor); #ifdef __cplusplus } #endif #endif