~ruther/dwl

1b38801eef319a9f8b618bf29564104af6b0a39d — Devin J. Pohly 3 years ago 929d3d9
use scene-graph API for Client/LayerSurface
1 files changed, 116 insertions(+), 308 deletions(-)

M dwl.c
M dwl.c => dwl.c +116 -308
@@ 33,6 33,7 @@
#include <wlr/types/wlr_primary_selection.h>
#include <wlr/types/wlr_primary_selection_v1.h>
#include <wlr/types/wlr_screencopy_v1.h>
#include <wlr/types/wlr_scene.h>
#include <wlr/types/wlr_server_decoration.h>
#include <wlr/types/wlr_seat.h>
#include <wlr/types/wlr_viewporter.h>


@@ 60,12 61,12 @@
#define LENGTH(X)               (sizeof X / sizeof X[0])
#define END(A)                  ((A) + LENGTH(A))
#define TAGMASK                 ((1 << LENGTH(tags)) - 1)
#define ROUND(X)                ((int)((X)+0.5))
#define LISTEN(E, L, H)         wl_signal_add((E), ((L)->notify = (H), (L)))

/* enums */
enum { CurNormal, CurMove, CurResize }; /* cursor */
enum { XDGShell, LayerShell, X11Managed, X11Unmanaged }; /* client types */
enum { LyrBg, LyrBottom, LyrTop, LyrOverlay, LyrTile, LyrFloat, NUM_LAYERS }; /* scene layers */
#ifdef XWAYLAND
enum { NetWMWindowTypeDialog, NetWMWindowTypeSplash, NetWMWindowTypeToolbar,
	NetWMWindowTypeUtility, NetLast }; /* EWMH atoms */


@@ 89,9 90,11 @@ typedef struct Monitor Monitor;
typedef struct {
	/* Must be first */
	unsigned int type; /* XDGShell or X11* */
	struct wlr_scene_node *scene;
	struct wlr_scene_rect *border[4];
	struct wlr_scene_node *scene_surface;
	struct wl_list link;
	struct wl_list flink;
	struct wl_list slink;
	union {
		struct wlr_xdg_surface *xdg;
		struct wlr_xwayland_surface *xwayland;


@@ 143,8 146,9 @@ typedef struct {
typedef struct {
	/* Must be first */
	unsigned int type; /* LayerShell */
	struct wlr_layer_surface_v1 *layer_surface;
	struct wlr_scene_node *scene;
	struct wl_list link;
	struct wlr_layer_surface_v1 *layer_surface;

	struct wl_listener destroy;
	struct wl_listener map;


@@ 203,14 207,6 @@ typedef struct {
	int monitor;
} Rule;

/* Used to move all of the data necessary to render a surface from the top-level
 * frame handler to the per-surface render function. */
struct render_data {
	struct wlr_output *output;
	struct timespec *when;
	int x, y; /* layout-relative */
};

/* function declarations */
static void applybounds(Client *c, struct wlr_box *bbox);
static void applyexclusive(struct wlr_box *usable_area, uint32_t anchor,


@@ 265,13 261,9 @@ static void pointerfocus(Client *c, struct wlr_surface *surface,
static void printstatus(void);
static void quit(const Arg *arg);
static void quitsignal(int signo);
static void render(struct wlr_surface *surface, int sx, int sy, void *data);
static void renderclients(Monitor *m, struct timespec *now);
static void renderlayer(struct wl_list *layer_surfaces, struct timespec *now);
static void rendermon(struct wl_listener *listener, void *data);
static void resize(Client *c, int x, int y, int w, int h, int interact);
static void run(char *startup_cmd);
static void scalebox(struct wlr_box *box, float scale);
static Client *selclient(void);
static void setcursor(struct wl_listener *listener, void *data);
static void setpsel(struct wl_listener *listener, void *data);


@@ 299,9 291,8 @@ static void updatetitle(struct wl_listener *listener, void *data);
static void urgent(struct wl_listener *listener, void *data);
static void view(const Arg *arg);
static void virtualkeyboard(struct wl_listener *listener, void *data);
static Client *xytoclient(double x, double y);
static struct wlr_surface *xytolayersurface(struct wl_list *layer_surfaces,
		double x, double y, double *sx, double *sy);
static struct wlr_scene_node *xytonode(double x, double y, struct wlr_surface **psurface,
		Client **pc, LayerSurface **pl, double *nx, double *ny);
static Monitor *xytomon(double x, double y);
static void zoom(const Arg *arg);



@@ 309,6 300,8 @@ static void zoom(const Arg *arg);
static const char broken[] = "broken";
static struct wl_display *dpy;
static struct wlr_backend *backend;
static struct wlr_scene *scene;
static struct wlr_scene_node *layers[NUM_LAYERS];
static struct wlr_renderer *drw;
static struct wlr_compositor *compositor;



@@ 316,7 309,6 @@ static struct wlr_xdg_shell *xdg_shell;
static struct wlr_xdg_activation_v1 *activation;
static struct wl_list clients; /* tiling order */
static struct wl_list fstack;  /* focus order */
static struct wl_list stack;   /* stacking z-order */
static struct wl_list independents;
static struct wlr_idle *idle;
static struct wlr_layer_shell_v1 *layer_shell;


@@ 366,9 358,7 @@ static void activatex11(struct wl_listener *listener, void *data);
static void configurex11(struct wl_listener *listener, void *data);
static void createnotifyx11(struct wl_listener *listener, void *data);
static Atom getatom(xcb_connection_t *xc, const char *name);
static void renderindependents(struct wlr_output *output, struct timespec *now);
static void xwaylandready(struct wl_listener *listener, void *data);
static Client *xytoindependent(double x, double y);
static struct wl_listener new_xwayland_surface = {.notify = createnotifyx11};
static struct wl_listener xwayland_ready = {.notify = xwaylandready};
static struct wlr_xwayland *xwayland;


@@ 483,12 473,17 @@ applyrules(Client *c)
					mon = m;
		}
	}
	wlr_scene_node_reparent(c->scene, layers[c->isfloating ? LyrFloat : LyrTile]);
	setmon(c, mon, newtags);
}

void
arrange(Monitor *m)
{
	Client *c;
	wl_list_for_each(c, &clients, link)
		wlr_scene_node_set_enabled(c->scene, VISIBLEON(c, c->mon));

	if (m->lt[m->sellt]->arrange)
		m->lt[m->sellt]->arrange(m);
	/* TODO recheck pointer focus here... or in resize()? */


@@ 567,6 562,7 @@ arrangelayer(Monitor *m, struct wl_list *list, struct wlr_box *usable_area, int 
			applyexclusive(usable_area, state->anchor, state->exclusive_zone,
					state->margin.top, state->margin.right,
					state->margin.bottom, state->margin.left);
		wlr_scene_node_set_position(layersurface->scene, box.x, box.y);
		wlr_layer_surface_v1_configure(wlr_layer_surface, box.width, box.height);
	}
}


@@ 650,7 646,8 @@ buttonpress(struct wl_listener *listener, void *data)
	switch (event->state) {
	case WLR_BUTTON_PRESSED:;
		/* Change focus if the button was _pressed_ over a client */
		if ((c = xytoclient(cursor->x, cursor->y)))
		xytonode(cursor->x, cursor->y, NULL, &c, NULL, NULL, NULL);
		if (c)
			focusclient(c, 1);

		keyboard = wlr_seat_get_keyboard(seat);


@@ 762,6 759,9 @@ commitlayersurfacenotify(struct wl_listener *listener, void *data)
	struct wlr_output *wlr_output = wlr_layer_surface->output;
	Monitor *m;

	wlr_scene_node_reparent(layersurface->scene,
			layers[wlr_layer_surface->current.layer]);

	if (!wlr_output)
		return;



@@ 932,8 932,13 @@ createlayersurface(struct wl_listener *listener, void *data)

	layersurface->layer_surface = wlr_layer_surface;
	wlr_layer_surface->data = layersurface;

	m = wlr_layer_surface->output->data;

	layersurface->scene = wlr_scene_surface_tree_create(
			layers[wlr_layer_surface->client_pending.layer],
			wlr_layer_surface->surface);
	layersurface->scene->data = layersurface;

	wl_list_insert(&m->layers[wlr_layer_surface->client_pending.layer],
			&layersurface->link);



@@ 1075,8 1080,9 @@ focusclient(Client *c, int lift)

	/* Raise client in stacking order if requested */
	if (c && lift) {
		wl_list_remove(&c->slink);
		wl_list_insert(&stack, &c->slink);
		/* This isn't easy to do via the current API */
		wl_list_remove(&c->scene->state.link);
		wl_list_insert(c->scene->parent->state.children.prev, &c->scene->state.link);
	}

	if (c && client_surface(c) == old)


@@ 1303,27 1309,40 @@ mapnotify(struct wl_listener *listener, void *data)
{
	/* Called when the surface is mapped, or ready to display on-screen. */
	Client *c = wl_container_of(listener, c, map);
	int i;

	/* Create scene tree for this client and its border */
	c->scene = &wlr_scene_tree_create(layers[LyrTile])->node;
	c->scene_surface = wlr_scene_surface_tree_create(c->scene, client_surface(c));
	c->scene_surface->data = c;
	for (i = 0; i < 4; i++) {
		c->border[i] = wlr_scene_rect_create(c->scene, 0, 0, bordercolor);
		c->border[i]->node.data = c;
	}

	if (client_is_unmanaged(c)) {
		/* Floating, no border */
		wlr_scene_node_reparent(c->scene, layers[LyrFloat]);
		c->bw = 0;

		/* Insert this independent into independents lists. */
		wl_list_insert(&independents, &c->link);
		return;
	}

	/* Insert this client into client lists. */
	wl_list_insert(&clients, &c->link);
	wl_list_insert(&fstack, &c->flink);
	wl_list_insert(&stack, &c->slink);

	/* Initialize client geometry with room for border */
	client_set_tiled(c, WLR_EDGE_TOP | WLR_EDGE_BOTTOM | WLR_EDGE_LEFT | WLR_EDGE_RIGHT);
	client_get_geometry(c, &c->geom);
	c->geom.width += 2 * c->bw;
	c->geom.height += 2 * c->bw;

	/* Tell the client not to try anything fancy */
	client_set_tiled(c, WLR_EDGE_TOP | WLR_EDGE_BOTTOM | WLR_EDGE_LEFT | WLR_EDGE_RIGHT);
	/* Insert this client into client lists. */
	wl_list_insert(&clients, &c->link);
	wl_list_insert(&fstack, &c->flink);

	/* Set initial monitor, tags, floating status, and focus */
	applyrules(c);
	resize(c, c->geom.x, c->geom.y, c->geom.width, c->geom.height, 0);
}

void


@@ 1356,8 1375,8 @@ void
motionnotify(uint32_t time)
{
	double sx = 0, sy = 0;
	struct wlr_surface *surface = NULL;
	Client *c = NULL;
	struct wlr_surface *surface = NULL;

	// time is 0 in internal calls meant to restore pointer focus.
	if (time) {


@@ 1381,32 1400,8 @@ motionnotify(uint32_t time)
		return;
	}

	if ((surface = xytolayersurface(&selmon->layers[ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY],
					cursor->x, cursor->y, &sx, &sy)))
		;
	else if ((surface = xytolayersurface(&selmon->layers[ZWLR_LAYER_SHELL_V1_LAYER_TOP],
					cursor->x, cursor->y, &sx, &sy)))
		;
#ifdef XWAYLAND
	/* Find an independent under the pointer and send the event along. */
	else if ((c = xytoindependent(cursor->x, cursor->y))) {
		surface = wlr_surface_surface_at(c->surface.xwayland->surface,
				cursor->x - c->surface.xwayland->x - c->bw,
				cursor->y - c->surface.xwayland->y - c->bw, &sx, &sy);

	/* Otherwise, find the client under the pointer and send the event along. */
	}
#endif
	else if ((c = xytoclient(cursor->x, cursor->y))) {
		surface = client_surface_at(c, cursor->x - c->geom.x - c->bw,
				cursor->y - c->geom.y - c->bw, &sx, &sy);
	}
	else if ((surface = xytolayersurface(&selmon->layers[ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM],
					cursor->x, cursor->y, &sx, &sy)))
		;
	else
		surface = xytolayersurface(&selmon->layers[ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND],
					cursor->x, cursor->y, &sx, &sy);
	/* Find the client under the pointer and send the event along. */
	xytonode(cursor->x, cursor->y, &surface, &c, NULL, &sx, &sy);

	/* If there's no client surface under the cursor, set the cursor image to a
	 * default. This is what makes the cursor image appear when you move it


@@ 1437,7 1432,10 @@ motionrelative(struct wl_listener *listener, void *data)
void
moveresize(const Arg *arg)
{
	if (cursor_mode != CurNormal || !(grabc = xytoclient(cursor->x, cursor->y)))
	if (cursor_mode != CurNormal)
		return;
	xytonode(cursor->x, cursor->y, NULL, &grabc, NULL, NULL, NULL);
	if (!grabc)
		return;

	/* Float the window and tell motionnotify to grab it */


@@ 1605,139 1603,10 @@ quitsignal(int signo)
}

void
render(struct wlr_surface *surface, int sx, int sy, void *data)
{
	/* This function is called for every surface that needs to be rendered. */
	struct render_data *rdata = data;
	struct wlr_output *output = rdata->output;
	double ox = 0, oy = 0;
	struct wlr_box obox;
	float matrix[9];
	enum wl_output_transform transform;

	/* We first obtain a wlr_texture, which is a GPU resource. wlroots
	 * automatically handles negotiating these with the client. The underlying
	 * resource could be an opaque handle passed from the client, or the client
	 * could have sent a pixel buffer which we copied to the GPU, or a few other
	 * means. You don't have to worry about this, wlroots takes care of it. */
	struct wlr_texture *texture = wlr_surface_get_texture(surface);
	if (!texture)
		return;

	/* The client has a position in layout coordinates. If you have two displays,
	 * one next to the other, both 1080p, a client on the rightmost display might
	 * have layout coordinates of 2000,100. We need to translate that to
	 * output-local coordinates, or (2000 - 1920). */
	wlr_output_layout_output_coords(output_layout, output, &ox, &oy);

	/* We also have to apply the scale factor for HiDPI outputs. This is only
	 * part of the puzzle, dwl does not fully support HiDPI. */
	obox.x = ox + rdata->x + sx;
	obox.y = oy + rdata->y + sy;
	obox.width = surface->current.width;
	obox.height = surface->current.height;
	scalebox(&obox, output->scale);

	/*
	 * Those familiar with OpenGL are also familiar with the role of matrices
	 * in graphics programming. We need to prepare a matrix to render the
	 * client with. wlr_matrix_project_box is a helper which takes a box with
	 * a desired x, y coordinates, width and height, and an output geometry,
	 * then prepares an orthographic projection and multiplies the necessary
	 * transforms to produce a model-view-projection matrix.
	 *
	 * Naturally you can do this any way you like, for example to make a 3D
	 * compositor.
	 */
	transform = wlr_output_transform_invert(surface->current.transform);
	wlr_matrix_project_box(matrix, &obox, transform, 0,
		output->transform_matrix);

	/* This takes our matrix, the texture, and an alpha, and performs the actual
	 * rendering on the GPU. */
	wlr_render_texture_with_matrix(drw, texture, matrix, 1);

	/* This lets the client know that we've displayed that frame and it can
	 * prepare another one now if it likes. */
	wlr_surface_send_frame_done(surface, rdata->when);

	wlr_presentation_surface_sampled_on_output(presentation, surface, output);
}

void
renderclients(Monitor *m, struct timespec *now)
{
	Client *c, *sel = selclient();
	const float *color;
	double ox, oy;
	int i, w, h;
	struct render_data rdata;
	struct wlr_box *borders;
	struct wlr_surface *surface;
	/* Each subsequent window we render is rendered on top of the last. Because
	 * our stacking list is ordered front-to-back, we iterate over it backwards. */
	wl_list_for_each_reverse(c, &stack, slink) {
		/* Only render visible clients which show on this monitor */
		if (!VISIBLEON(c, c->mon) || !wlr_output_layout_intersects(
					output_layout, m->wlr_output, &c->geom))
			continue;

		surface = client_surface(c);
		ox = c->geom.x, oy = c->geom.y;
		wlr_output_layout_output_coords(output_layout, m->wlr_output,
				&ox, &oy);

		if (c->bw) {
			w = surface->current.width;
			h = surface->current.height;
			borders = (struct wlr_box[4]) {
				{ox, oy, w + 2 * c->bw, c->bw},             /* top */
				{ox, oy + c->bw, c->bw, h},                 /* left */
				{ox + c->bw + w, oy + c->bw, c->bw, h},     /* right */
				{ox, oy + c->bw + h, w + 2 * c->bw, c->bw}, /* bottom */
			};

			/* Draw window borders */
			color = (c == sel) ? focuscolor : bordercolor;
			for (i = 0; i < 4; i++) {
				scalebox(&borders[i], m->wlr_output->scale);
				wlr_render_rect(drw, &borders[i], color,
						m->wlr_output->transform_matrix);
			}
		}

		/* This calls our render function for each surface among the
		 * xdg_surface's toplevel and popups. */
		rdata.output = m->wlr_output;
		rdata.when = now;
		rdata.x = c->geom.x + c->bw;
		rdata.y = c->geom.y + c->bw;
		client_for_each_surface(c, render, &rdata);
	}
}

void
renderlayer(struct wl_list *layer_surfaces, struct timespec *now)
{
	LayerSurface *layersurface;
	wl_list_for_each(layersurface, layer_surfaces, link) {
		struct render_data rdata = {
			.output = layersurface->layer_surface->output,
			.when = now,
			.x = layersurface->geo.x,
			.y = layersurface->geo.y,
		};

		wlr_surface_for_each_surface(layersurface->layer_surface->surface,
				render, &rdata);
	}
}

void
rendermon(struct wl_listener *listener, void *data)
{
	Client *c;
	int render = 1;
	int skip = 0;

	/* This function is called every time an output is ready to display a frame,
	 * generally at the output's refresh rate (e.g. 60Hz). */


@@ 1746,13 1615,9 @@ rendermon(struct wl_listener *listener, void *data)
	struct timespec now;
	clock_gettime(CLOCK_MONOTONIC, &now);

	/* Do not render if any XDG clients have an outstanding resize. */
	wl_list_for_each(c, &stack, slink) {
		if (c->resize) {
			wlr_surface_send_frame_done(client_surface(c), &now);
			render = 0;
		}
	}
	/* Skip rendering if any XDG clients have an outstanding resize. */
	wl_list_for_each(c, &clients, link)
		skip = skip || c->resize;

	/* HACK: This loop is the simplest way to handle ephemeral pageflip
	 * failures but probably not the best. Revisit if damage tracking is


@@ 1762,50 1627,46 @@ rendermon(struct wl_listener *listener, void *data)
		if (!wlr_output_attach_render(m->wlr_output, NULL))
			return;

		if (render) {
		if (!skip) {
			/* Begin the renderer (calls glViewport and some other GL sanity checks) */
			wlr_renderer_begin(drw, m->wlr_output->width, m->wlr_output->height);
			wlr_renderer_clear(drw, rootcolor);

			renderlayer(&m->layers[ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND], &now);
			renderlayer(&m->layers[ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM], &now);
			renderclients(m, &now);
#ifdef XWAYLAND
			renderindependents(m->wlr_output, &now);
#endif
			renderlayer(&m->layers[ZWLR_LAYER_SHELL_V1_LAYER_TOP], &now);
			renderlayer(&m->layers[ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY], &now);

			/* Hardware cursors are rendered by the GPU on a separate plane, and can be
			 * moved around without re-rendering what's beneath them - which is more
			 * efficient. However, not all hardware supports hardware cursors. For this
			 * reason, wlroots provides a software fallback, which we ask it to render
			 * here. wlr_cursor handles configuring hardware vs software cursors for you,
			 * and this function is a no-op when hardware cursors are in use. */
			wlr_output_render_software_cursors(m->wlr_output, NULL);
			/* Render the scene at (-mx, -my) to get this monitor's view.
			 * wlroots will not render windows falling outside the box. */
			wlr_scene_render_output(scene, m->wlr_output, -m->m.x, -m->m.y, NULL);

			/* Conclude rendering and swap the buffers, showing the final frame
			 * on-screen. */
			wlr_renderer_end(drw);
		}

	} while (!wlr_output_commit(m->wlr_output));

	/* Let clients know a frame has been rendered */
	wl_list_for_each(c, &clients, link)
		wlr_surface_send_frame_done(client_surface(c), &now);
}

void
resize(Client *c, int x, int y, int w, int h, int interact)
{
	/*
	 * Note that I took some shortcuts here. In a more fleshed-out
	 * compositor, you'd wait for the client to prepare a buffer at
	 * the new size, then commit any movement that was prepared.
	 */
	struct wlr_box *bbox = interact ? &sgeom : &c->mon->w;
	c->geom.x = x;
	c->geom.y = y;
	c->geom.width = w;
	c->geom.height = h;
	applybounds(c, bbox);

	/* Update scene-graph, including borders */
	wlr_scene_node_set_position(c->scene, c->geom.x, c->geom.y);
	wlr_scene_node_set_position(c->scene_surface, c->bw, c->bw);
	wlr_scene_rect_set_size(c->border[0], c->geom.width, c->bw);
	wlr_scene_rect_set_size(c->border[1], c->geom.width, c->bw);
	wlr_scene_rect_set_size(c->border[2], c->bw, c->geom.height - 2 * c->bw);
	wlr_scene_rect_set_size(c->border[3], c->bw, c->geom.height - 2 * c->bw);
	wlr_scene_node_set_position(&c->border[1]->node, 0, c->geom.height - c->bw);
	wlr_scene_node_set_position(&c->border[3]->node, c->geom.width - c->bw, c->bw);

	/* wlroots makes this a no-op if size hasn't changed */
	c->resize = client_set_size(c, c->geom.width - 2 * c->bw,
			c->geom.height - 2 * c->bw);


@@ 1870,15 1731,6 @@ run(char *startup_cmd)
	}
}

void
scalebox(struct wlr_box *box, float scale)
{
	box->width =  ROUND((box->x + box->width) * scale) -  ROUND(box->x * scale);
	box->height = ROUND((box->y + box->height) * scale) - ROUND(box->y * scale);
	box->x = ROUND(box->x * scale);
	box->y = ROUND(box->y * scale);
}

Client *
selclient(void)
{


@@ 1911,6 1763,7 @@ void
setfloating(Client *c, int floating)
{
	c->isfloating = floating;
	wlr_scene_node_reparent(c->scene, layers[c->isfloating ? LyrFloat : LyrTile]);
	arrange(c->mon);
}



@@ 1957,7 1810,7 @@ setmon(Client *c, Monitor *m, unsigned int newtags)
	}
	if (m) {
		/* Make sure window actually overlaps with the monitor */
		applybounds(c, &m->m);
		resize(c, c->geom.x, c->geom.y, c->geom.width, c->geom.height, 0);
		wlr_surface_send_enter(client_surface(c), m->wlr_output);
		c->tags = newtags ? newtags : m->tagset[m->seltags]; /* assign tags of target monitor */
		arrange(m);


@@ 2010,6 1863,15 @@ setup(void)
	if (!(backend = wlr_backend_autocreate(dpy)))
		BARF("couldn't create backend");

	/* Initialize the scene graph used to lay out windows */
	scene = wlr_scene_create();
	layers[LyrBg] = &wlr_scene_tree_create(&scene->node)->node;
	layers[LyrBottom] = &wlr_scene_tree_create(&scene->node)->node;
	layers[LyrTile] = &wlr_scene_tree_create(&scene->node)->node;
	layers[LyrFloat] = &wlr_scene_tree_create(&scene->node)->node;
	layers[LyrTop] = &wlr_scene_tree_create(&scene->node)->node;
	layers[LyrOverlay] = &wlr_scene_tree_create(&scene->node)->node;

	/* If we don't provide a renderer, autocreate makes a GLES2 renderer for us.
	 * The renderer is responsible for defining the various pixel formats it
	 * supports for shared memory, this configures that for clients. */


@@ 2054,7 1916,6 @@ setup(void)
	 */
	wl_list_init(&clients);
	wl_list_init(&fstack);
	wl_list_init(&stack);
	wl_list_init(&independents);

	idle = wlr_idle_create(dpy);


@@ 2302,7 2163,7 @@ unmapnotify(struct wl_listener *listener, void *data)

	setmon(c, NULL, 0);
	wl_list_remove(&c->flink);
	wl_list_remove(&c->slink);
	wlr_scene_node_destroy(c->scene);
}

void


@@ 2386,37 2247,31 @@ virtualkeyboard(struct wl_listener *listener, void *data)
	createkeyboard(device);
}

Client *
xytoclient(double x, double y)
{
	/* Find the topmost visible client (if any) at point (x, y), including
	 * borders. This relies on stack being ordered from top to bottom. */
	Client *c;
	wl_list_for_each(c, &stack, slink)
		if (VISIBLEON(c, c->mon) && wlr_box_contains_point(&c->geom, x, y))
			return c;
	return NULL;
}

struct wlr_surface *
xytolayersurface(struct wl_list *layer_surfaces, double x, double y,
		double *sx, double *sy)
struct wlr_scene_node *
xytonode(double x, double y, struct wlr_surface **psurface,
		Client **pc, LayerSurface **pl, double *nx, double *ny)
{
	LayerSurface *layersurface;
	wl_list_for_each_reverse(layersurface, layer_surfaces, link) {
		struct wlr_surface *sub;
		if (!layersurface->layer_surface->mapped)
			continue;
		sub = wlr_layer_surface_v1_surface_at(
				layersurface->layer_surface,
				x - layersurface->geo.x,
				y - layersurface->geo.y,
				sx, sy);
		if (sub)
			return sub;

	struct wlr_scene_node *node, *pnode;
	struct wlr_surface *surface = NULL;
	Client *c = NULL;
	LayerSurface *l = NULL;

	if ((node = wlr_scene_node_at(&scene->node, x, y, nx, ny))) {
		if (node->type == WLR_SCENE_NODE_SURFACE)
			surface = wlr_scene_surface_from_node(node)->surface;
		/* Walk the tree to find a node that knows the client */
		for (pnode = node; pnode && !c; pnode = pnode->parent)
			c = pnode->data;
		if (c && c->type == LayerShell) {
			c = NULL;
			l = pnode->data;
		}
	}
	return NULL;

	if (psurface) *psurface = surface;
	if (pc) *pc = c;
	if (pl) *pl = l;
	return node;
}

Monitor *


@@ 2521,31 2376,6 @@ getatom(xcb_connection_t *xc, const char *name)
}

void
renderindependents(struct wlr_output *output, struct timespec *now)
{
	Client *c;
	struct render_data rdata;
	struct wlr_box geom;

	wl_list_for_each_reverse(c, &independents, link) {
		geom.x = c->surface.xwayland->x;
		geom.y = c->surface.xwayland->y;
		geom.width = c->surface.xwayland->width;
		geom.height = c->surface.xwayland->height;

		/* Only render visible clients which show on this output */
		if (!wlr_output_layout_intersects(output_layout, output, &geom))
			continue;

		rdata.output = output;
		rdata.when = now;
		rdata.x = c->surface.xwayland->x;
		rdata.y = c->surface.xwayland->y;
		wlr_surface_for_each_surface(c->surface.xwayland->surface, render, &rdata);
	}
}

void
xwaylandready(struct wl_listener *listener, void *data)
{
	struct wlr_xcursor *xcursor;


@@ 2575,28 2405,6 @@ xwaylandready(struct wl_listener *listener, void *data)

	xcb_disconnect(xc);
}

Client *
xytoindependent(double x, double y)
{
	/* Find the topmost visible independent at point (x, y).
	 * For independents, the most recently created can be used as the "top".
	 * We rely on the X11 convention of unmapping unmanaged when the "owning"
	 * client loses focus, which ensures that unmanaged are only visible on
	 * the current tag. */
	Client *c;
	wl_list_for_each_reverse(c, &independents, link) {
		struct wlr_box geom = {
			.x = c->surface.xwayland->x,
			.y = c->surface.xwayland->y,
			.width = c->surface.xwayland->width,
			.height = c->surface.xwayland->height,
		};
		if (wlr_box_contains_point(&geom, x, y))
			return c;
	}
	return NULL;
}
#endif

int

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