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https://github.com/hyprwm/wlroots-hyprland.git
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120 lines
2.6 KiB
C
120 lines
2.6 KiB
C
#ifndef WLR_BACKEND_SESSION_H
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#define WLR_BACKEND_SESSION_H
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#include <stdbool.h>
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#include <sys/types.h>
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#include <wayland-server-core.h>
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struct libseat;
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struct wlr_device {
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int fd;
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int device_id;
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dev_t dev;
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struct wl_list link;
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struct {
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struct wl_signal change; // struct wlr_device_change_event
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struct wl_signal remove;
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} events;
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};
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struct wlr_session {
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/*
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* Signal for when the session becomes active/inactive.
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* It's called when we swap virtual terminal.
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*/
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bool active;
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/*
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* 0 if virtual terminals are not supported
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* i.e. seat != "seat0"
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*/
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unsigned vtnr;
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char seat[256];
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struct udev *udev;
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struct udev_monitor *mon;
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struct wl_event_source *udev_event;
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struct libseat *seat_handle;
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struct wl_event_source *libseat_event;
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struct wl_list devices;
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struct wl_display *display;
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struct wl_listener display_destroy;
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struct {
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struct wl_signal active;
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struct wl_signal add_drm_card; // struct wlr_session_add_event
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struct wl_signal destroy;
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} events;
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};
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struct wlr_session_add_event {
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const char *path;
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};
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enum wlr_device_change_type {
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WLR_DEVICE_HOTPLUG = 1,
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WLR_DEVICE_LEASE,
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};
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struct wlr_device_hotplug_event {
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uint32_t connector_id;
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uint32_t prop_id;
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};
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struct wlr_device_change_event {
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enum wlr_device_change_type type;
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union {
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struct wlr_device_hotplug_event hotplug;
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};
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};
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/*
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* Opens a session, taking control of the current virtual terminal.
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* This should not be called if another program is already in control
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* of the terminal (Xorg, another Wayland compositor, etc.).
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*
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* Returns NULL on error.
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*/
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struct wlr_session *wlr_session_create(struct wl_display *disp);
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/*
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* Closes a previously opened session and restores the virtual terminal.
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* You should call wlr_session_close_file() on each files you opened
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* with wlr_session_open_file() before you call this.
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*/
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void wlr_session_destroy(struct wlr_session *session);
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/*
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* Opens the file at path.
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*
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* This can only be used to open DRM or evdev (input) devices. Files opened via
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* this function must be closed by calling wlr_session_close_file().
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*
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* When the session becomes inactive:
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*
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* - DRM files lose their DRM master status
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* - evdev files become invalid and should be closed
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*/
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struct wlr_device *wlr_session_open_file(struct wlr_session *session,
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const char *path);
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/*
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* Closes a file previously opened with wlr_session_open_file().
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*/
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void wlr_session_close_file(struct wlr_session *session,
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struct wlr_device *device);
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/*
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* Changes the virtual terminal.
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*/
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bool wlr_session_change_vt(struct wlr_session *session, unsigned vt);
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ssize_t wlr_session_find_gpus(struct wlr_session *session,
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size_t ret_len, struct wlr_device **ret);
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#endif
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