400 lines
12 KiB
C
400 lines
12 KiB
C
/*
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* This an unstable interface of wlroots. No guarantees are made regarding the
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* future consistency of this API.
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*/
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#ifndef WLR_USE_UNSTABLE
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#error "Add -DWLR_USE_UNSTABLE to enable unstable wlroots features"
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#endif
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#ifndef WLR_TYPES_WLR_XDG_SHELL_H
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#define WLR_TYPES_WLR_XDG_SHELL_H
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#include <wlr/types/wlr_box.h>
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#include <wlr/types/wlr_seat.h>
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#include <wayland-server-core.h>
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#include "xdg-shell-protocol.h"
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struct wlr_xdg_shell {
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struct wl_global *global;
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struct wl_list clients;
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struct wl_list popup_grabs;
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uint32_t ping_timeout;
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struct wl_listener display_destroy;
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struct {
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/**
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* The `new_surface` event signals that a client has requested to
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* create a new shell surface. At this point, the surface is ready to
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* be configured but is not mapped or ready receive input events. The
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* surface will be ready to be managed on the `map` event.
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*/
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struct wl_signal new_surface;
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struct wl_signal destroy;
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} events;
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void *data;
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};
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struct wlr_xdg_client {
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struct wlr_xdg_shell *shell;
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struct wl_resource *resource;
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struct wl_client *client;
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struct wl_list surfaces;
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struct wl_list link; // wlr_xdg_shell::clients
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uint32_t ping_serial;
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struct wl_event_source *ping_timer;
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};
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struct wlr_xdg_positioner {
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struct wl_resource *resource;
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struct wlr_box anchor_rect;
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enum xdg_positioner_anchor anchor;
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enum xdg_positioner_gravity gravity;
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enum xdg_positioner_constraint_adjustment constraint_adjustment;
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struct {
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int32_t width, height;
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} size;
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struct {
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int32_t x, y;
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} offset;
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};
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struct wlr_xdg_popup {
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struct wlr_xdg_surface *base;
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struct wl_list link;
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struct wl_resource *resource;
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bool committed;
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struct wlr_surface *parent;
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struct wlr_seat *seat;
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// Position of the popup relative to the upper left corner of the window
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// geometry of the parent surface
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struct wlr_box geometry;
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struct wlr_xdg_positioner positioner;
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struct wl_list grab_link; // wlr_xdg_popup_grab::popups
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};
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// each seat gets a popup grab
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struct wlr_xdg_popup_grab {
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struct wl_client *client;
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struct wlr_seat_pointer_grab pointer_grab;
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struct wlr_seat_keyboard_grab keyboard_grab;
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struct wlr_seat_touch_grab touch_grab;
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struct wlr_seat *seat;
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struct wl_list popups;
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struct wl_list link; // wlr_xdg_shell::popup_grabs
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struct wl_listener seat_destroy;
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};
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enum wlr_xdg_surface_role {
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WLR_XDG_SURFACE_ROLE_NONE,
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WLR_XDG_SURFACE_ROLE_TOPLEVEL,
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WLR_XDG_SURFACE_ROLE_POPUP,
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};
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struct wlr_xdg_toplevel_state {
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bool maximized, fullscreen, resizing, activated;
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uint32_t tiled; // enum wlr_edges
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uint32_t width, height;
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uint32_t max_width, max_height;
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uint32_t min_width, min_height;
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// Since the fullscreen request may be made before the toplevel's surface
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// is mapped, this is used to store the requested fullscreen output (if
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// any) for wlr_xdg_toplevel::client_pending.
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struct wlr_output *fullscreen_output;
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struct wl_listener fullscreen_output_destroy;
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};
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struct wlr_xdg_toplevel {
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struct wl_resource *resource;
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struct wlr_xdg_surface *base;
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bool added;
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struct wlr_xdg_surface *parent;
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struct wl_listener parent_unmap;
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struct wlr_xdg_toplevel_state client_pending;
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struct wlr_xdg_toplevel_state server_pending;
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struct wlr_xdg_toplevel_state current;
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char *title;
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char *app_id;
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struct {
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struct wl_signal request_maximize;
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struct wl_signal request_fullscreen;
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struct wl_signal request_minimize;
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struct wl_signal request_move;
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struct wl_signal request_resize;
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struct wl_signal request_show_window_menu;
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struct wl_signal set_parent;
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struct wl_signal set_title;
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struct wl_signal set_app_id;
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} events;
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};
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struct wlr_xdg_surface_configure {
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struct wlr_xdg_surface *surface;
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struct wl_list link; // wlr_xdg_surface::configure_list
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uint32_t serial;
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struct wlr_xdg_toplevel_state *toplevel_state;
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};
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/**
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* An xdg-surface is a user interface element requiring management by the
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* compositor. An xdg-surface alone isn't useful, a role should be assigned to
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* it in order to map it.
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*
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* When a surface has a role and is ready to be displayed, the `map` event is
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* emitted. When a surface should no longer be displayed, the `unmap` event is
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* emitted. The `unmap` event is guaranteed to be emitted before the `destroy`
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* event if the view is destroyed when mapped.
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*/
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struct wlr_xdg_surface {
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struct wlr_xdg_client *client;
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struct wl_resource *resource;
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struct wlr_surface *surface;
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struct wl_list link; // wlr_xdg_client::surfaces
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enum wlr_xdg_surface_role role;
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union {
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struct wlr_xdg_toplevel *toplevel;
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struct wlr_xdg_popup *popup;
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};
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struct wl_list popups; // wlr_xdg_popup::link
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bool added, configured, mapped;
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uint32_t configure_serial;
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struct wl_event_source *configure_idle;
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uint32_t configure_next_serial;
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struct wl_list configure_list;
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bool has_next_geometry;
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struct wlr_box next_geometry;
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struct wlr_box geometry;
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struct wl_listener surface_destroy;
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struct wl_listener surface_commit;
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struct {
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struct wl_signal destroy;
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struct wl_signal ping_timeout;
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struct wl_signal new_popup;
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/**
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* The `map` event signals that the shell surface is ready to be
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* managed by the compositor and rendered on the screen. At this point,
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* the surface has configured its properties, has had the opportunity
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* to bind to the seat to receive input events, and has a buffer that
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* is ready to be rendered. You can now safely add this surface to a
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* list of views.
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*/
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struct wl_signal map;
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/**
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* The `unmap` event signals that the surface is no longer in a state
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* where it should be shown on the screen. This might happen if the
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* surface no longer has a displayable buffer because either the
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* surface has been hidden or is about to be destroyed.
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*/
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struct wl_signal unmap;
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// for protocol extensions
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struct wl_signal configure; // wlr_xdg_surface_configure
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struct wl_signal ack_configure; // wlr_xdg_surface_configure
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} events;
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void *data;
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};
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struct wlr_xdg_toplevel_move_event {
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struct wlr_xdg_surface *surface;
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struct wlr_seat_client *seat;
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uint32_t serial;
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};
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struct wlr_xdg_toplevel_resize_event {
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struct wlr_xdg_surface *surface;
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struct wlr_seat_client *seat;
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uint32_t serial;
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uint32_t edges;
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};
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struct wlr_xdg_toplevel_set_fullscreen_event {
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struct wlr_xdg_surface *surface;
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bool fullscreen;
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struct wlr_output *output;
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};
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struct wlr_xdg_toplevel_show_window_menu_event {
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struct wlr_xdg_surface *surface;
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struct wlr_seat_client *seat;
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uint32_t serial;
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uint32_t x, y;
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};
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struct wlr_xdg_shell *wlr_xdg_shell_create(struct wl_display *display);
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struct wlr_xdg_surface *wlr_xdg_surface_from_resource(
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struct wl_resource *resource);
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struct wlr_xdg_surface *wlr_xdg_surface_from_popup_resource(
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struct wl_resource *resource);
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struct wlr_xdg_surface *wlr_xdg_surface_from_toplevel_resource(
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struct wl_resource *resource);
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/**
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* Send a ping to the surface. If the surface does not respond in a reasonable
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* amount of time, the ping_timeout event will be emitted.
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*/
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void wlr_xdg_surface_ping(struct wlr_xdg_surface *surface);
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/**
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* Request that this toplevel surface be the given size. Returns the associated
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* configure serial.
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*/
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uint32_t wlr_xdg_toplevel_set_size(struct wlr_xdg_surface *surface,
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uint32_t width, uint32_t height);
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/**
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* Request that this toplevel surface show itself in an activated or deactivated
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* state. Returns the associated configure serial.
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*/
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uint32_t wlr_xdg_toplevel_set_activated(struct wlr_xdg_surface *surface,
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bool activated);
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/**
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* Request that this toplevel surface consider itself maximized or not
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* maximized. Returns the associated configure serial.
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*/
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uint32_t wlr_xdg_toplevel_set_maximized(struct wlr_xdg_surface *surface,
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bool maximized);
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/**
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* Request that this toplevel surface consider itself fullscreen or not
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* fullscreen. Returns the associated configure serial.
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*/
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uint32_t wlr_xdg_toplevel_set_fullscreen(struct wlr_xdg_surface *surface,
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bool fullscreen);
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/**
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* Request that this toplevel surface consider itself to be resizing or not
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* resizing. Returns the associated configure serial.
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*/
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uint32_t wlr_xdg_toplevel_set_resizing(struct wlr_xdg_surface *surface,
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bool resizing);
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/**
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* Request that this toplevel surface consider itself in a tiled layout and some
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* edges are adjacent to another part of the tiling grid. `tiled_edges` is a
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* bitfield of `enum wlr_edges`. Returns the associated configure serial.
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*/
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uint32_t wlr_xdg_toplevel_set_tiled(struct wlr_xdg_surface *surface,
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uint32_t tiled_edges);
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/**
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* Request that this xdg toplevel closes.
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*/
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void wlr_xdg_toplevel_send_close(struct wlr_xdg_surface *surface);
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/**
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* Request that this xdg popup closes.
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**/
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void wlr_xdg_popup_destroy(struct wlr_xdg_surface *surface);
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/**
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* Get the geometry for this positioner based on the anchor rect, gravity, and
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* size of this positioner.
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*/
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struct wlr_box wlr_xdg_positioner_get_geometry(
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struct wlr_xdg_positioner *positioner);
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/**
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* Get the anchor point for this popup in the toplevel parent's coordinate system.
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*/
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void wlr_xdg_popup_get_anchor_point(struct wlr_xdg_popup *popup,
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int *toplevel_sx, int *toplevel_sy);
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/**
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* Convert the given coordinates in the popup coordinate system to the toplevel
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* surface coordinate system.
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*/
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void wlr_xdg_popup_get_toplevel_coords(struct wlr_xdg_popup *popup,
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int popup_sx, int popup_sy, int *toplevel_sx, int *toplevel_sy);
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/**
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* Set the geometry of this popup to unconstrain it according to its
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* xdg-positioner rules. The box should be in the popup's root toplevel parent
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* surface coordinate system.
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*/
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void wlr_xdg_popup_unconstrain_from_box(struct wlr_xdg_popup *popup,
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struct wlr_box *toplevel_sx_box);
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/**
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Invert the right/left anchor and gravity for this positioner. This can be
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used to "flip" the positioner around the anchor rect in the x direction.
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*/
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void wlr_positioner_invert_x(struct wlr_xdg_positioner *positioner);
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/**
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Invert the top/bottom anchor and gravity for this positioner. This can be
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used to "flip" the positioner around the anchor rect in the y direction.
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*/
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void wlr_positioner_invert_y(struct wlr_xdg_positioner *positioner);
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/**
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* Find a surface within this xdg-surface tree at the given surface-local
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* coordinates. Returns the surface and coordinates in the leaf surface
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* coordinate system or NULL if no surface is found at that location.
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*/
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struct wlr_surface *wlr_xdg_surface_surface_at(
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struct wlr_xdg_surface *surface, double sx, double sy,
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double *sub_x, double *sub_y);
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bool wlr_surface_is_xdg_surface(struct wlr_surface *surface);
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struct wlr_xdg_surface *wlr_xdg_surface_from_wlr_surface(
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struct wlr_surface *surface);
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/**
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* Get the surface geometry.
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* This is either the geometry as set by the client, or defaulted to the bounds
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* of the surface + the subsurfaces (as specified by the protocol).
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*
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* The x and y value can be <0
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*/
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void wlr_xdg_surface_get_geometry(struct wlr_xdg_surface *surface,
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struct wlr_box *box);
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/**
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* Call `iterator` on each surface and popup in the xdg-surface tree, with the
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* surface's position relative to the root xdg-surface. The function is called
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* from root to leaves (in rendering order).
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*/
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void wlr_xdg_surface_for_each_surface(struct wlr_xdg_surface *surface,
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wlr_surface_iterator_func_t iterator, void *user_data);
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/**
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* Schedule a surface configuration. This should only be called by protocols
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* extending the shell.
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*/
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uint32_t wlr_xdg_surface_schedule_configure(struct wlr_xdg_surface *surface);
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/**
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* Call `iterator` on each popup in the xdg-surface tree, with the popup's
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* position relative to the root xdg-surface. The function is called from root
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* to leaves (in rendering order).
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*/
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void wlr_xdg_surface_for_each_popup(struct wlr_xdg_surface *surface,
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wlr_surface_iterator_func_t iterator, void *user_data);
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#endif
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