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Merge branch 'xdg-toplevel-drag-v1' into 'master'

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[RFC] types: implement xdg-toplevel-drag-v1 protocol

Closes #3801

See merge request wlroots/wlroots!5210
This commit is contained in:
Ryan Walklin 2026-02-03 17:07:59 +00:00
commit c09574c23d
4 changed files with 388 additions and 0 deletions
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include/wlr/types/wlr_xdg_toplevel_drag_v1.h Normal file
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/*
* This an unstable interface of wlroots. No guarantees are made regarding the
* future consistency of this API.
*/
#ifndef WLR_USE_UNSTABLE
#error "Add -DWLR_USE_UNSTABLE to enable unstable wlroots features"
#endif
#ifndef WLR_TYPES_WLR_XDG_TOPLEVEL_DRAG_V1_H
#define WLR_TYPES_WLR_XDG_TOPLEVEL_DRAG_V1_H
#include <wayland-server-core.h>
struct wlr_xdg_toplevel;
struct wlr_data_source;
struct wlr_xdg_toplevel_drag_v1 {
struct wl_resource *resource;
struct wlr_xdg_toplevel_drag_manager_v1 *manager;
struct wlr_data_source *data_source;
struct wlr_xdg_toplevel *toplevel; // NULL if none attached
int32_t x_offset, y_offset;
struct {
struct wl_signal destroy;
} events;
struct {
struct wl_list link; // wlr_xdg_toplevel_drag_manager_v1.drags
bool started, ended;
struct wl_listener data_source_destroy;
struct wl_listener toplevel_unmap;
struct wl_listener toplevel_surface_destroy;
} WLR_PRIVATE;
};
struct wlr_xdg_toplevel_drag_manager_v1 {
struct wl_global *global;
struct {
struct wl_signal destroy;
struct wl_signal new_toplevel_drag; // struct wlr_xdg_toplevel_drag_v1
} events;
struct {
struct wl_list drags; // wlr_xdg_toplevel_drag_v1.link
struct wl_listener display_destroy;
} WLR_PRIVATE;
};
struct wlr_xdg_toplevel_drag_manager_v1 *wlr_xdg_toplevel_drag_manager_v1_create(
struct wl_display *display, uint32_t version);
/**
* Get a struct wlr_xdg_toplevel_drag_v1 from a struct wlr_data_source.
*
* Returns NULL if there's no xdg_toplevel_drag_v1 associated with the data source.
*/
struct wlr_xdg_toplevel_drag_v1 *wlr_xdg_toplevel_drag_v1_from_wlr_data_source(
struct wlr_xdg_toplevel_drag_manager_v1 *manager,
struct wlr_data_source *source);
/**
* Get a struct wlr_xdg_toplevel_drag_v1 from a struct wlr_xdg_toplevel.
*
* Returns NULL if there's no xdg_toplevel_drag_v1 with the given toplevel attached.
*/
struct wlr_xdg_toplevel_drag_v1 *wlr_xdg_toplevel_drag_v1_from_wlr_xdg_toplevel(
struct wlr_xdg_toplevel_drag_manager_v1 *manager,
struct wlr_xdg_toplevel *toplevel);
/**
* Notify the xdg_toplevel_drag that the underlying drag has started.
*
* This should be called by the compositor when wlr_seat starts a drag
* that has an associated xdg_toplevel_drag.
*/
void wlr_xdg_toplevel_drag_v1_start(struct wlr_xdg_toplevel_drag_v1 *drag);
/**
* Notify the xdg_toplevel_drag that the underlying drag has ended.
*
* This should be called by the compositor when the wlr_drag is destroyed
* (i.e., after drop or cancel). After this call, the client may safely
* destroy the xdg_toplevel_drag resource.
*/
void wlr_xdg_toplevel_drag_v1_finish(struct wlr_xdg_toplevel_drag_v1 *drag);
#endif