diff options
| -rw-r--r-- | Makefile | 16 | ||||
| -rw-r--r-- | README.md | 1 | ||||
| -rw-r--r-- | dwl.c | 456 | ||||
| -rw-r--r-- | protocols/wlr-layer-shell-unstable-v1.xml | 311 | 
4 files changed, 771 insertions, 13 deletions
| @@ -23,15 +23,25 @@ xdg-shell-protocol.c:  xdg-shell-protocol.o: xdg-shell-protocol.h +wlr-layer-shell-unstable-v1-protocol.h: +	$(WAYLAND_SCANNER) server-header \ +		protocols/wlr-layer-shell-unstable-v1.xml $@ + +wlr-layer-shell-unstable-v1-protocol.c: +	$(WAYLAND_SCANNER) private-code \ +		protocols/wlr-layer-shell-unstable-v1.xml $@ + +wlr-layer-shell-unstable-v1-protocol.o: wlr-layer-shell-unstable-v1-protocol.h +  config.h: | config.def.h  	cp config.def.h $@ -dwl.o: config.h xdg-shell-protocol.h +dwl.o: config.h xdg-shell-protocol.h wlr-layer-shell-unstable-v1-protocol.h -dwl: xdg-shell-protocol.o +dwl: xdg-shell-protocol.o wlr-layer-shell-unstable-v1-protocol.o  clean: -	rm -f dwl *.o xdg-shell-protocol.h xdg-shell-protocol.c +	rm -f dwl *.o *-protocol.h *-protocol.c  install: dwl  	install -D dwl $(PREFIX)/bin/dwl @@ -63,7 +63,6 @@ dwl is a work in progress, and it has not yet reached its feature goals in a num  - XWayland support is new and could use testing  - Urgent/attention/focus-request ([not yet supported](https://gitlab.freedesktop.org/wayland/wayland-protocols/-/merge_requests/9) by xdg-shell protocol)  - Statusbar support (built-in or external) -- layer-shell  - Damage tracking  - Fullscreen/fixed windows (or whatever the Wayland analogues are) @@ -20,6 +20,7 @@  #include <wlr/types/wlr_export_dmabuf_v1.h>  #include <wlr/types/wlr_gamma_control_v1.h>  #include <wlr/types/wlr_input_device.h> +#include <wlr/types/wlr_layer_shell_v1.h>  #include <wlr/types/wlr_keyboard.h>  #include <wlr/types/wlr_matrix.h>  #include <wlr/types/wlr_output.h> @@ -131,6 +132,19 @@ typedef struct {  } Keyboard;  typedef struct { +	struct wlr_layer_surface_v1 *layer_surface; +	struct wl_list link; + +	struct wl_listener destroy; +	struct wl_listener map; +	struct wl_listener unmap; +	struct wl_listener surface_commit; + +	struct wlr_box geo; +	enum zwlr_layer_shell_v1_layer layer; +} LayerSurface; + +typedef struct {  	const char *symbol;  	void (*arrange)(Monitor *);  } Layout; @@ -142,6 +156,7 @@ struct Monitor {  	struct wl_listener destroy;  	struct wlr_box m;      /* monitor area, layout-relative */  	struct wlr_box w;      /* window area, layout-relative */ +	struct wl_list layers[4]; // LayerSurface::link  	const Layout *lt[2];  	unsigned int seltags;  	unsigned int sellt; @@ -177,21 +192,30 @@ struct render_data {  /* function declarations */  static void applybounds(Client *c, struct wlr_box *bbox); +static void applyexclusive(struct wlr_box *usable_area, uint32_t anchor, +		int32_t exclusive, int32_t margin_top, int32_t margin_right, +		int32_t margin_bottom, int32_t margin_left);  static void applyrules(Client *c);  static void arrange(Monitor *m); +static void arrangelayer(Monitor *m, struct wl_list *list, +		struct wlr_box *usable_area, bool exclusive); +static void arrangelayers(Monitor *m);  static void axisnotify(struct wl_listener *listener, void *data);  static void buttonpress(struct wl_listener *listener, void *data);  static void chvt(const Arg *arg);  static void cleanup(void);  static void cleanupkeyboard(struct wl_listener *listener, void *data);  static void cleanupmon(struct wl_listener *listener, void *data); +static void commitlayersurfacenotify(struct wl_listener *listener, void *data);  static void commitnotify(struct wl_listener *listener, void *data);  static void createkeyboard(struct wlr_input_device *device);  static void createmon(struct wl_listener *listener, void *data);  static void createnotify(struct wl_listener *listener, void *data); +static void createlayersurface(struct wl_listener *listener, void *data);  static void createpointer(struct wlr_input_device *device);  static void createxdeco(struct wl_listener *listener, void *data);  static void cursorframe(struct wl_listener *listener, void *data); +static void destroylayersurfacenotify(struct wl_listener *listener, void *data);  static void destroynotify(struct wl_listener *listener, void *data);  static void destroyxdeco(struct wl_listener *listener, void *data);  static Monitor *dirtomon(int dir); @@ -206,6 +230,7 @@ static int keybinding(uint32_t mods, xkb_keysym_t sym);  static void keypress(struct wl_listener *listener, void *data);  static void keypressmod(struct wl_listener *listener, void *data);  static void killclient(const Arg *arg); +static void maplayersurfacenotify(struct wl_listener *listener, void *data);  static void maprequest(struct wl_listener *listener, void *data);  static void monocle(Monitor *m);  static void motionabsolute(struct wl_listener *listener, void *data); @@ -217,6 +242,7 @@ static void pointerfocus(Client *c, struct wlr_surface *surface,  static void quit(const Arg *arg);  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); @@ -231,6 +257,7 @@ static void setmfact(const Arg *arg);  static void setmon(Client *c, Monitor *m, unsigned int newtags);  static void setup(void);  static void sigchld(int unused); +static bool shouldfocusclients();  static void spawn(const Arg *arg);  static void tag(const Arg *arg);  static void tagmon(const Arg *arg); @@ -238,9 +265,14 @@ static void tile(Monitor *m);  static void togglefloating(const Arg *arg);  static void toggletag(const Arg *arg);  static void toggleview(const Arg *arg); +static void unmaplayersurface(LayerSurface *layersurface); +static void unmaplayersurfacenotify(struct wl_listener *listener, void *data);  static void unmapnotify(struct wl_listener *listener, void *data); +static void updatemons();  static void view(const Arg *arg);  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 Monitor *xytomon(double x, double y);  static void zoom(const Arg *arg); @@ -256,6 +288,7 @@ 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_layer_shell_v1 *layer_shell;  static struct wlr_xdg_decoration_manager_v1 *xdeco_mgr;  static struct wlr_cursor *cursor; @@ -282,6 +315,7 @@ static struct wl_listener new_input = {.notify = inputdevice};  static struct wl_listener new_output = {.notify = createmon};  static struct wl_listener new_xdeco = {.notify = createxdeco};  static struct wl_listener new_xdg_surface = {.notify = createnotify}; +static struct wl_listener new_layer_shell_surface = {.notify = createlayersurface};  static struct wl_listener request_cursor = {.notify = setcursor};  static struct wl_listener request_set_psel = {.notify = setpsel};  static struct wl_listener request_set_sel = {.notify = setsel}; @@ -325,6 +359,71 @@ applybounds(Client *c, struct wlr_box *bbox)  }  void +applyexclusive(struct wlr_box *usable_area, +		uint32_t anchor, int32_t exclusive, +		int32_t margin_top, int32_t margin_right, +		int32_t margin_bottom, int32_t margin_left) { +	struct { +		uint32_t singular_anchor; +		uint32_t anchor_triplet; +		int *positive_axis; +		int *negative_axis; +		int margin; +	} edges[4]; + +	if (exclusive <= 0) +		return; + +	// Top +	edges[0].singular_anchor = ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP; +	edges[0].anchor_triplet = +		ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT | +		ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT | +		ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP; +	edges[0].positive_axis = &usable_area->y; +	edges[0].negative_axis = &usable_area->height; +	edges[0].margin = margin_top; +	// Bottom +	edges[1].singular_anchor = ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM; +	edges[1].anchor_triplet = +		ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT | +		ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT | +		ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM; +	edges[1].positive_axis = NULL; +	edges[1].negative_axis = &usable_area->height; +	edges[1].margin = margin_bottom; +	// Left +	edges[2].singular_anchor = ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT; +	edges[2].anchor_triplet = +		ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT | +		ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP | +		ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM; +	edges[2].positive_axis = &usable_area->x; +	edges[2].negative_axis = &usable_area->width; +	edges[2].margin = margin_left; +	// Right +	edges[3].singular_anchor = ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT; +	edges[3].anchor_triplet = +		ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT | +		ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP | +		ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM; +	edges[3].positive_axis = NULL; +	edges[3].negative_axis = &usable_area->width; +	edges[3].margin = margin_right; + +	for (size_t i = 0; i < LENGTH(edges); ++i) { +		if ((anchor == edges[i].singular_anchor || anchor == edges[i].anchor_triplet) +				&& exclusive + edges[i].margin > 0) { +			if (edges[i].positive_axis) +				*edges[i].positive_axis += exclusive + edges[i].margin; +			if (edges[i].negative_axis) +				*edges[i].negative_axis -= exclusive + edges[i].margin; +			break; +		} +	} +} + +void  applyrules(Client *c)  {  	const char *appid, *title; @@ -367,15 +466,139 @@ applyrules(Client *c)  void  arrange(Monitor *m)  { -	/* Get effective monitor geometry to use for window area */ -	m->m = *wlr_output_layout_get_box(output_layout, m->wlr_output); -	m->w = m->m;  	if (m->lt[m->sellt]->arrange)  		m->lt[m->sellt]->arrange(m);  	/* XXX recheck pointer focus here... or in resize()? */  }  void +arrangelayer(Monitor *m, struct wl_list *list, struct wlr_box *usable_area, bool exclusive) +{ +	LayerSurface *layersurface; +	struct wlr_box full_area = m->m; + +	wl_list_for_each(layersurface, list, link) { +		struct wlr_layer_surface_v1 *wlr_layer_surface = layersurface->layer_surface; +		struct wlr_layer_surface_v1_state *state = &wlr_layer_surface->current; +		struct wlr_box bounds; +		struct wlr_box box = { +			.width = state->desired_width, +			.height = state->desired_height +		}; +		const uint32_t both_horiz = ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT +			| ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT; +		const uint32_t both_vert = ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP +			| ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM; + +		if (exclusive != (state->exclusive_zone > 0)) +			continue; + +		bounds = state->exclusive_zone == -1 ? full_area : *usable_area; + +		// Horizontal axis +		if ((state->anchor & both_horiz) && box.width == 0) { +			box.x = bounds.x; +			box.width = bounds.width; +		} else if ((state->anchor & ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT)) { +			box.x = bounds.x; +		} else if ((state->anchor & ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT)) { +			box.x = bounds.x + (bounds.width - box.width); +		} else { +			box.x = bounds.x + ((bounds.width / 2) - (box.width / 2)); +		} +		// Vertical axis +		if ((state->anchor & both_vert) && box.height == 0) { +			box.y = bounds.y; +			box.height = bounds.height; +		} else if ((state->anchor & ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP)) { +			box.y = bounds.y; +		} else if ((state->anchor & ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM)) { +			box.y = bounds.y + (bounds.height - box.height); +		} else { +			box.y = bounds.y + ((bounds.height / 2) - (box.height / 2)); +		} +		// Margin +		if ((state->anchor & both_horiz) == both_horiz) { +			box.x += state->margin.left; +			box.width -= state->margin.left + state->margin.right; +		} else if ((state->anchor & ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT)) { +			box.x += state->margin.left; +		} else if ((state->anchor & ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT)) { +			box.x -= state->margin.right; +		} +		if ((state->anchor & both_vert) == both_vert) { +			box.y += state->margin.top; +			box.height -= state->margin.top + state->margin.bottom; +		} else if ((state->anchor & ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP)) { +			box.y += state->margin.top; +		} else if ((state->anchor & ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM)) { +			box.y -= state->margin.bottom; +		} +		if (box.width < 0 || box.height < 0) { +			wlr_layer_surface_v1_close(wlr_layer_surface); +			continue; +		} +		layersurface->geo = box; + +		applyexclusive(usable_area, state->anchor, state->exclusive_zone, +				state->margin.top, state->margin.right, +				state->margin.bottom, state->margin.left); +		wlr_layer_surface_v1_configure(wlr_layer_surface, box.width, box.height); +	} +} + +void +arrangelayers(Monitor *m) +{ +	struct wlr_box usable_area = m->m; +	uint32_t layers_above_shell[] = { +		ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY, +		ZWLR_LAYER_SHELL_V1_LAYER_TOP, +	}; +	size_t nlayers = LENGTH(layers_above_shell); +	LayerSurface *layersurface; +	struct wlr_keyboard *kb = wlr_seat_get_keyboard(seat); + +	// Arrange exclusive surfaces from top->bottom +	arrangelayer(m, &m->layers[ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY], +			&usable_area, true); +	arrangelayer(m, &m->layers[ZWLR_LAYER_SHELL_V1_LAYER_TOP], +			&usable_area, true); +	arrangelayer(m, &m->layers[ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM], +			&usable_area, true); +	arrangelayer(m, &m->layers[ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND], +			&usable_area, true); + +	if (memcmp(&usable_area, &m->w, sizeof(struct wlr_box))) { +		m->w = usable_area; +		arrange(m); +	} + +	// Arrange non-exlusive surfaces from top->bottom +	arrangelayer(m, &m->layers[ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY], +			&usable_area, false); +	arrangelayer(m, &m->layers[ZWLR_LAYER_SHELL_V1_LAYER_TOP], +			&usable_area, false); +	arrangelayer(m, &m->layers[ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM], +			&usable_area, false); +	arrangelayer(m, &m->layers[ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND], +			&usable_area, false); + +	// Find topmost keyboard interactive layer, if such a layer exists +	for (size_t i = 0; i < nlayers; ++i) { +		wl_list_for_each_reverse(layersurface, +				&m->layers[layers_above_shell[i]], link) { +			if (layersurface->layer_surface->current.keyboard_interactive && +					layersurface->layer_surface->mapped) { +				wlr_seat_keyboard_notify_enter(seat, layersurface->layer_surface->surface, +						kb->keycodes, kb->num_keycodes, &kb->modifiers); +				return; +			} +		} +	} +} + +void  axisnotify(struct wl_listener *listener, void *data)  {  	/* This event is forwarded by the cursor when a pointer emits an axis event, @@ -470,6 +693,30 @@ cleanupmon(struct wl_listener *listener, void *data)  	wl_list_remove(&m->destroy.link);  	free(m); + +	updatemons(); +} + +void +commitlayersurfacenotify(struct wl_listener *listener, void *data) +{ +	LayerSurface *layersurface = wl_container_of(listener, layersurface, surface_commit); +	struct wlr_layer_surface_v1 *wlr_layer_surface = layersurface->layer_surface; +	struct wlr_output *wlr_output = wlr_layer_surface->output; +	Monitor *m; + +	if (!wlr_output) +		return; + +	m = wlr_output->data; +	arrangelayers(m); + +	if (layersurface->layer != wlr_layer_surface->current.layer) { +		wl_list_remove(&layersurface->link); +		wl_list_insert(&m->layers[wlr_layer_surface->current.layer], +			&layersurface->link); +		layersurface->layer = wlr_layer_surface->current.layer; +	}  }  void @@ -524,6 +771,7 @@ createmon(struct wl_listener *listener, void *data)  	struct wlr_output *wlr_output = data;  	Monitor *m;  	const MonitorRule *r; +	size_t nlayers = LENGTH(m->layers);  	/* The mode is a tuple of (width, height, refresh rate), and each  	 * monitor supports only a specific set of modes. We just pick the @@ -569,6 +817,12 @@ createmon(struct wl_listener *listener, void *data)  	 */  	wlr_output_layout_add_auto(output_layout, wlr_output);  	sgeom = *wlr_output_layout_get_box(output_layout, NULL); + +	for (size_t i = 0; i < nlayers; ++i) +		wl_list_init(&m->layers[i]); + +	/* When adding monitors, the geometries of all monitors must be updated */ +	updatemons();  }  void @@ -603,6 +857,46 @@ createnotify(struct wl_listener *listener, void *data)  }  void +createlayersurface(struct wl_listener *listener, void *data) +{ +	struct wlr_layer_surface_v1 *wlr_layer_surface = data; +	LayerSurface *layersurface; +	Monitor *m; +	struct wlr_layer_surface_v1_state old_state; + +	if (!wlr_layer_surface->output) { +		wlr_layer_surface->output = selmon->wlr_output; +	} + +	layersurface = calloc(1, sizeof(LayerSurface)); + +	layersurface->surface_commit.notify = commitlayersurfacenotify; +	wl_signal_add(&wlr_layer_surface->surface->events.commit, +		&layersurface->surface_commit); +	layersurface->destroy.notify = destroylayersurfacenotify; +	wl_signal_add(&wlr_layer_surface->events.destroy, &layersurface->destroy); +	layersurface->map.notify = maplayersurfacenotify; +	wl_signal_add(&wlr_layer_surface->events.map, &layersurface->map); +	layersurface->unmap.notify = unmaplayersurfacenotify; +	wl_signal_add(&wlr_layer_surface->events.unmap, &layersurface->unmap); + +	layersurface->layer_surface = wlr_layer_surface; +	wlr_layer_surface->data = layersurface; + +	m = wlr_layer_surface->output->data; + +	wl_list_insert(&m->layers[wlr_layer_surface->client_pending.layer], +			&layersurface->link); + +	// Temporarily set the layer's current state to client_pending +	// so that we can easily arrange it +	old_state = wlr_layer_surface->current; +	wlr_layer_surface->current = wlr_layer_surface->client_pending; +	arrangelayers(m); +	wlr_layer_surface->current = old_state; +} + +void  createpointer(struct wlr_input_device *device)  {  	struct libinput_device *libinput_device =  (struct libinput_device*) @@ -648,6 +942,28 @@ cursorframe(struct wl_listener *listener, void *data)  }  void +destroylayersurfacenotify(struct wl_listener *listener, void *data) +{ +	LayerSurface *layersurface = wl_container_of(listener, layersurface, destroy); +	Monitor *m; + +	if (layersurface->layer_surface->mapped) +		unmaplayersurface(layersurface); +	wl_list_remove(&layersurface->link); +	wl_list_remove(&layersurface->destroy.link); +	wl_list_remove(&layersurface->map.link); +	wl_list_remove(&layersurface->unmap.link); +	wl_list_remove(&layersurface->surface_commit.link); +	if (layersurface->layer_surface->output) { +		m = layersurface->layer_surface->output->data; +		if (m) +			arrangelayers(m); +		layersurface->layer_surface->output = NULL; +	} +	free(layersurface); +} + +void  destroynotify(struct wl_listener *listener, void *data)  {  	/* Called when the surface is destroyed and should never be shown again. */ @@ -724,8 +1040,9 @@ focusclient(Client *old, Client *c, int lift)  	}  	/* Have a client, so focus its top-level wlr_surface */ -	wlr_seat_keyboard_notify_enter(seat, WLR_SURFACE(c), -			kb->keycodes, kb->num_keycodes, &kb->modifiers); +	if (shouldfocusclients(c->mon)) +		wlr_seat_keyboard_notify_enter(seat, WLR_SURFACE(c), +				kb->keycodes, kb->num_keycodes, &kb->modifiers);  	/* Put the new client atop the focus stack and select its monitor */  	wl_list_remove(&c->flink); @@ -913,6 +1230,14 @@ killclient(const Arg *arg)  }  void +maplayersurfacenotify(struct wl_listener *listener, void *data) +{ +	LayerSurface *layersurface = wl_container_of(listener, layersurface, map); +	wlr_surface_send_enter(layersurface->layer_surface->surface, layersurface->layer_surface->output); +	motionnotify(0); +} + +void  maprequest(struct wl_listener *listener, void *data)  {  	/* Called when the surface is mapped, or ready to display on-screen. */ @@ -980,7 +1305,12 @@ motionnotify(uint32_t time)  {  	double sx = 0, sy = 0;  	struct wlr_surface *surface = NULL; -	Client *c; +	Client *c = NULL; +	struct timespec now; +	if (!time) { +		clock_gettime(CLOCK_MONOTONIC, &now); +		time = now.tv_sec * 1000 + now.tv_nsec / 1000000; +	}  	/* Update selmon (even while dragging a window) */  	if (sloppyfocus) @@ -999,17 +1329,23 @@ 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. */ -	if ((c = xytoindependent(cursor->x, cursor->y))) { +	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. */ -	} else +	}  #endif -	if ((c = xytoclient(cursor->x, cursor->y))) { +	else if ((c = xytoclient(cursor->x, cursor->y))) {  #ifdef XWAYLAND  		if (c->type != XDGShell)  			surface = wlr_surface_surface_at(c->surface.xwayland->surface, @@ -1021,6 +1357,13 @@ motionnotify(uint32_t time)  					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); +  	/* 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  	 * off of a client or over its border. */ @@ -1098,6 +1441,9 @@ pointerfocus(Client *c, struct wlr_surface *surface, double sx, double sy,  	 * of its surfaces, and make keyboard focus follow if desired. */  	wlr_seat_pointer_notify_enter(seat, surface, sx, sy); +	if (!c) +		return; +  #if XWAYLAND  	if (c->type == X11Unmanaged)  		return; @@ -1226,6 +1572,22 @@ renderclients(Monitor *m, struct timespec *now)  }  void +renderlayer(struct wl_list *layer_surfaces, struct timespec *now) +{ +	struct render_data rdata; +	LayerSurface *layersurface; +	wl_list_for_each(layersurface, layer_surfaces, link) { +		rdata.output = layersurface->layer_surface->output; +		rdata.when = now; +		rdata.x = layersurface->geo.x; +		rdata.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; @@ -1255,10 +1617,14 @@ rendermon(struct wl_listener *listener, void *data)  		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 @@ -1532,6 +1898,10 @@ setup(void)  	wl_list_init(&fstack);  	wl_list_init(&stack);  	wl_list_init(&independents); + +	layer_shell = wlr_layer_shell_v1_create(dpy); +	wl_signal_add(&layer_shell->events.new_surface, &new_layer_shell_surface); +  	xdg_shell = wlr_xdg_shell_create(dpy);  	wl_signal_add(&xdg_shell->events.new_surface, &new_xdg_surface); @@ -1613,6 +1983,22 @@ sigchld(int unused)  		;  } +bool +shouldfocusclients(Monitor *m) +{ +	LayerSurface *layersurface; +	uint32_t layers_above_shell[] = { +		ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY, +		ZWLR_LAYER_SHELL_V1_LAYER_TOP, +	}; +	for (size_t i = 0; i < LENGTH(layers_above_shell); ++i) +		wl_list_for_each(layersurface, &m->layers[layers_above_shell[i]], link) +			if (layersurface->layer_surface->current.keyboard_interactive && +					layersurface->layer_surface->mapped) +				return false; +	return true; +} +  void  spawn(const Arg *arg)  { @@ -1715,6 +2101,23 @@ toggleview(const Arg *arg)  }  void +unmaplayersurface(LayerSurface *layersurface) +{ +	layersurface->layer_surface->mapped = false; +	if (layersurface->layer_surface->surface == +			seat->keyboard_state.focused_surface) +		focusclient(NULL, selclient(), 1); +	motionnotify(0); +} + +void +unmaplayersurfacenotify(struct wl_listener *listener, void *data) +{ +	LayerSurface *layersurface = wl_container_of(listener, layersurface, unmap); +	unmaplayersurface(layersurface); +} + +void  unmapnotify(struct wl_listener *listener, void *data)  {  	/* Called when the surface is unmapped, and should no longer be shown. */ @@ -1730,6 +2133,20 @@ unmapnotify(struct wl_listener *listener, void *data)  }  void +updatemons() +{ +	Monitor *m; +	wl_list_for_each(m, &mons, link) { +		/* Get the effective monitor geometry to use for surfaces */ +		m->m = m->w = *wlr_output_layout_get_box(output_layout, m->wlr_output); +		/* Calculate the effective monitor geometry to use for clients */ +		arrangelayers(m); +		/* Don't move clients to the left output when plugging monitors */ +		arrange(m); +	} +} + +void  view(const Arg *arg)  {  	Client *sel = selclient(); @@ -1754,6 +2171,27 @@ xytoclient(double x, double y)  	return NULL;  } +struct wlr_surface * +xytolayersurface(struct wl_list *layer_surfaces, double x, double y, +		double *sx, double *sy) +{ +	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; + +	} +	return NULL; +} +  Monitor *  xytomon(double x, double y)  { diff --git a/protocols/wlr-layer-shell-unstable-v1.xml b/protocols/wlr-layer-shell-unstable-v1.xml new file mode 100644 index 0000000..fa67001 --- /dev/null +++ b/protocols/wlr-layer-shell-unstable-v1.xml @@ -0,0 +1,311 @@ +<?xml version="1.0" encoding="UTF-8"?> +<protocol name="wlr_layer_shell_unstable_v1"> +  <copyright> +    Copyright © 2017 Drew DeVault + +    Permission to use, copy, modify, distribute, and sell this +    software and its documentation for any purpose is hereby granted +    without fee, provided that the above copyright notice appear in +    all copies and that both that copyright notice and this permission +    notice appear in supporting documentation, and that the name of +    the copyright holders not be used in advertising or publicity +    pertaining to distribution of the software without specific, +    written prior permission.  The copyright holders make no +    representations about the suitability of this software for any +    purpose.  It is provided "as is" without express or implied +    warranty. + +    THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS +    SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND +    FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY +    SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +    WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN +    AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, +    ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF +    THIS SOFTWARE. +  </copyright> + +  <interface name="zwlr_layer_shell_v1" version="3"> +    <description summary="create surfaces that are layers of the desktop"> +      Clients can use this interface to assign the surface_layer role to +      wl_surfaces. Such surfaces are assigned to a "layer" of the output and +      rendered with a defined z-depth respective to each other. They may also be +      anchored to the edges and corners of a screen and specify input handling +      semantics. This interface should be suitable for the implementation of +      many desktop shell components, and a broad number of other applications +      that interact with the desktop. +    </description> + +    <request name="get_layer_surface"> +      <description summary="create a layer_surface from a surface"> +        Create a layer surface for an existing surface. This assigns the role of +        layer_surface, or raises a protocol error if another role is already +        assigned. + +        Creating a layer surface from a wl_surface which has a buffer attached +        or committed is a client error, and any attempts by a client to attach +        or manipulate a buffer prior to the first layer_surface.configure call +        must also be treated as errors. + +        You may pass NULL for output to allow the compositor to decide which +        output to use. Generally this will be the one that the user most +        recently interacted with. + +        Clients can specify a namespace that defines the purpose of the layer +        surface. +      </description> +      <arg name="id" type="new_id" interface="zwlr_layer_surface_v1"/> +      <arg name="surface" type="object" interface="wl_surface"/> +      <arg name="output" type="object" interface="wl_output" allow-null="true"/> +      <arg name="layer" type="uint" enum="layer" summary="layer to add this surface to"/> +      <arg name="namespace" type="string" summary="namespace for the layer surface"/> +    </request> + +    <enum name="error"> +      <entry name="role" value="0" summary="wl_surface has another role"/> +      <entry name="invalid_layer" value="1" summary="layer value is invalid"/> +      <entry name="already_constructed" value="2" summary="wl_surface has a buffer attached or committed"/> +    </enum> + +    <enum name="layer"> +      <description summary="available layers for surfaces"> +        These values indicate which layers a surface can be rendered in. They +        are ordered by z depth, bottom-most first. Traditional shell surfaces +        will typically be rendered between the bottom and top layers. +        Fullscreen shell surfaces are typically rendered at the top layer. +        Multiple surfaces can share a single layer, and ordering within a +        single layer is undefined. +      </description> + +      <entry name="background" value="0"/> +      <entry name="bottom" value="1"/> +      <entry name="top" value="2"/> +      <entry name="overlay" value="3"/> +    </enum> + +    <!-- Version 3 additions --> + +    <request name="destroy" type="destructor" since="3"> +      <description summary="destroy the layer_shell object"> +        This request indicates that the client will not use the layer_shell +        object any more. Objects that have been created through this instance +        are not affected. +      </description> +    </request> +  </interface> + +  <interface name="zwlr_layer_surface_v1" version="3"> +    <description summary="layer metadata interface"> +      An interface that may be implemented by a wl_surface, for surfaces that +      are designed to be rendered as a layer of a stacked desktop-like +      environment. + +      Layer surface state (layer, size, anchor, exclusive zone, +      margin, interactivity) is double-buffered, and will be applied at the +      time wl_surface.commit of the corresponding wl_surface is called. +    </description> + +    <request name="set_size"> +      <description summary="sets the size of the surface"> +        Sets the size of the surface in surface-local coordinates. The +        compositor will display the surface centered with respect to its +        anchors. + +        If you pass 0 for either value, the compositor will assign it and +        inform you of the assignment in the configure event. You must set your +        anchor to opposite edges in the dimensions you omit; not doing so is a +        protocol error. Both values are 0 by default. + +        Size is double-buffered, see wl_surface.commit. +      </description> +      <arg name="width" type="uint"/> +      <arg name="height" type="uint"/> +    </request> + +    <request name="set_anchor"> +      <description summary="configures the anchor point of the surface"> +        Requests that the compositor anchor the surface to the specified edges +        and corners. If two orthogonal edges are specified (e.g. 'top' and +        'left'), then the anchor point will be the intersection of the edges +        (e.g. the top left corner of the output); otherwise the anchor point +        will be centered on that edge, or in the center if none is specified. + +        Anchor is double-buffered, see wl_surface.commit. +      </description> +      <arg name="anchor" type="uint" enum="anchor"/> +    </request> + +    <request name="set_exclusive_zone"> +      <description summary="configures the exclusive geometry of this surface"> +        Requests that the compositor avoids occluding an area with other +        surfaces. The compositor's use of this information is +        implementation-dependent - do not assume that this region will not +        actually be occluded. + +        A positive value is only meaningful if the surface is anchored to one +        edge or an edge and both perpendicular edges. If the surface is not +        anchored, anchored to only two perpendicular edges (a corner), anchored +        to only two parallel edges or anchored to all edges, a positive value +        will be treated the same as zero. + +        A positive zone is the distance from the edge in surface-local +        coordinates to consider exclusive. + +        Surfaces that do not wish to have an exclusive zone may instead specify +        how they should interact with surfaces that do. If set to zero, the +        surface indicates that it would like to be moved to avoid occluding +        surfaces with a positive exclusive zone. If set to -1, the surface +        indicates that it would not like to be moved to accommodate for other +        surfaces, and the compositor should extend it all the way to the edges +        it is anchored to. + +        For example, a panel might set its exclusive zone to 10, so that +        maximized shell surfaces are not shown on top of it. A notification +        might set its exclusive zone to 0, so that it is moved to avoid +        occluding the panel, but shell surfaces are shown underneath it. A +        wallpaper or lock screen might set their exclusive zone to -1, so that +        they stretch below or over the panel. + +        The default value is 0. + +        Exclusive zone is double-buffered, see wl_surface.commit. +      </description> +      <arg name="zone" type="int"/> +    </request> + +    <request name="set_margin"> +      <description summary="sets a margin from the anchor point"> +        Requests that the surface be placed some distance away from the anchor +        point on the output, in surface-local coordinates. Setting this value +        for edges you are not anchored to has no effect. + +        The exclusive zone includes the margin. + +        Margin is double-buffered, see wl_surface.commit. +      </description> +      <arg name="top" type="int"/> +      <arg name="right" type="int"/> +      <arg name="bottom" type="int"/> +      <arg name="left" type="int"/> +    </request> + +    <request name="set_keyboard_interactivity"> +      <description summary="requests keyboard events"> +        Set to 1 to request that the seat send keyboard events to this layer +        surface. For layers below the shell surface layer, the seat will use +        normal focus semantics. For layers above the shell surface layers, the +        seat will always give exclusive keyboard focus to the top-most layer +        which has keyboard interactivity set to true. + +        Layer surfaces receive pointer, touch, and tablet events normally. If +        you do not want to receive them, set the input region on your surface +        to an empty region. + +        Events is double-buffered, see wl_surface.commit. +      </description> +      <arg name="keyboard_interactivity" type="uint"/> +    </request> + +    <request name="get_popup"> +      <description summary="assign this layer_surface as an xdg_popup parent"> +        This assigns an xdg_popup's parent to this layer_surface.  This popup +        should have been created via xdg_surface::get_popup with the parent set +        to NULL, and this request must be invoked before committing the popup's +        initial state. + +        See the documentation of xdg_popup for more details about what an +        xdg_popup is and how it is used. +      </description> +      <arg name="popup" type="object" interface="xdg_popup"/> +    </request> + +    <request name="ack_configure"> +      <description summary="ack a configure event"> +        When a configure event is received, if a client commits the +        surface in response to the configure event, then the client +        must make an ack_configure request sometime before the commit +        request, passing along the serial of the configure event. + +        If the client receives multiple configure events before it +        can respond to one, it only has to ack the last configure event. + +        A client is not required to commit immediately after sending +        an ack_configure request - it may even ack_configure several times +        before its next surface commit. + +        A client may send multiple ack_configure requests before committing, but +        only the last request sent before a commit indicates which configure +        event the client really is responding to. +      </description> +      <arg name="serial" type="uint" summary="the serial from the configure event"/> +    </request> + +    <request name="destroy" type="destructor"> +      <description summary="destroy the layer_surface"> +        This request destroys the layer surface. +      </description> +    </request> + +    <event name="configure"> +      <description summary="suggest a surface change"> +        The configure event asks the client to resize its surface. + +        Clients should arrange their surface for the new states, and then send +        an ack_configure request with the serial sent in this configure event at +        some point before committing the new surface. + +        The client is free to dismiss all but the last configure event it +        received. + +        The width and height arguments specify the size of the window in +        surface-local coordinates. + +        The size is a hint, in the sense that the client is free to ignore it if +        it doesn't resize, pick a smaller size (to satisfy aspect ratio or +        resize in steps of NxM pixels). If the client picks a smaller size and +        is anchored to two opposite anchors (e.g. 'top' and 'bottom'), the +        surface will be centered on this axis. + +        If the width or height arguments are zero, it means the client should +        decide its own window dimension. +      </description> +      <arg name="serial" type="uint"/> +      <arg name="width" type="uint"/> +      <arg name="height" type="uint"/> +    </event> + +    <event name="closed"> +      <description summary="surface should be closed"> +        The closed event is sent by the compositor when the surface will no +        longer be shown. The output may have been destroyed or the user may +        have asked for it to be removed. Further changes to the surface will be +        ignored. The client should destroy the resource after receiving this +        event, and create a new surface if they so choose. +      </description> +    </event> + +    <enum name="error"> +      <entry name="invalid_surface_state" value="0" summary="provided surface state is invalid"/> +      <entry name="invalid_size" value="1" summary="size is invalid"/> +      <entry name="invalid_anchor" value="2" summary="anchor bitfield is invalid"/> +    </enum> + +    <enum name="anchor" bitfield="true"> +      <entry name="top" value="1" summary="the top edge of the anchor rectangle"/> +      <entry name="bottom" value="2" summary="the bottom edge of the anchor rectangle"/> +      <entry name="left" value="4" summary="the left edge of the anchor rectangle"/> +      <entry name="right" value="8" summary="the right edge of the anchor rectangle"/> +    </enum> + +    <!-- Version 2 additions --> + +    <request name="set_layer" since="2"> +      <description summary="change the layer of the surface"> +        Change the layer that the surface is rendered on. + +        Layer is double-buffered, see wl_surface.commit. +      </description> +      <arg name="layer" type="uint" enum="zwlr_layer_shell_v1.layer" summary="layer to move this surface to"/> +    </request> +  </interface> +</protocol> | 
