~ruther/dwl

ae3d435717f9c40313a516ed760094718104b9c3 — Leonardo Hernández Hernández 2 years ago d113587 + b8bc54b
Merge remote-tracking branch 'djpohly/main' into wlroots-next
6 files changed, 261 insertions(+), 225 deletions(-)

M Makefile
M README.md
M client.h
M config.def.h
M config.mk
M dwl.c
M Makefile => Makefile +11 -20
@@ 4,45 4,38 @@
include config.mk

# flags for compiling
DWLCPPFLAGS = -I. -DWLR_USE_UNSTABLE -DVERSION=\"$(VERSION)\"

# Wayland utils
WAYLAND_PROTOCOLS = `pkg-config --variable=pkgdatadir wayland-protocols`
WAYLAND_SCANNER   = `pkg-config --variable=wayland_scanner wayland-scanner`
DWLCPPFLAGS = -I. -DWLR_USE_UNSTABLE -D_POSIX_C_SOURCE=200809L -DVERSION=\"$(VERSION)\" $(XWAYLAND)
DWLDEVCFLAGS = -pedantic -Wall -Wextra -Wdeclaration-after-statement -Wno-unused-parameter -Wno-sign-compare -Wshadow -Wunused-macros

# CFLAGS / LDFLAGS
PKGS      = wlroots wayland-server xkbcommon libinput $(XLIBS)
DWLCFLAGS = `pkg-config --cflags $(PKGS)` $(DWLCPPFLAGS) $(CFLAGS) $(XWAYLAND)
LDLIBS    = `pkg-config --libs $(PKGS)` $(LIBS)

# build rules
DWLCFLAGS = `$(PKG_CONFIG) --cflags $(PKGS)` $(DWLCPPFLAGS) $(DWLDEVCFLAGS) $(CFLAGS)
LDLIBS    = `$(PKG_CONFIG) --libs $(PKGS)` $(LIBS)

# wayland-scanner is a tool which generates C headers and rigging for Wayland
# protocols, which are specified in XML. wlroots requires you to rig these up
# to your build system yourself and provide them in the include path.
all: dwl
dwl: dwl.o util.o
	$(CC) dwl.o util.o $(LDLIBS) $(LDFLAGS) $(DWLCFLAGS) -o $@
dwl.o: dwl.c config.mk config.h client.h xdg-shell-protocol.h wlr-layer-shell-unstable-v1-protocol.h idle-protocol.h
dwl.o: dwl.c config.mk config.h client.h xdg-shell-protocol.h wlr-layer-shell-unstable-v1-protocol.h
util.o: util.c util.h

# wayland scanner rules to generate .h / .c files
# wayland-scanner is a tool which generates C headers and rigging for Wayland
# protocols, which are specified in XML. wlroots requires you to rig these up
# to your build system yourself and provide them in the include path.
WAYLAND_SCANNER   = `$(PKG_CONFIG) --variable=wayland_scanner wayland-scanner`
WAYLAND_PROTOCOLS = `$(PKG_CONFIG) --variable=pkgdatadir wayland-protocols`

xdg-shell-protocol.h:
	$(WAYLAND_SCANNER) server-header \
		$(WAYLAND_PROTOCOLS)/stable/xdg-shell/xdg-shell.xml $@
wlr-layer-shell-unstable-v1-protocol.h:
	$(WAYLAND_SCANNER) server-header \
		protocols/wlr-layer-shell-unstable-v1.xml $@
idle-protocol.h:
	$(WAYLAND_SCANNER) server-header \
		protocols/idle.xml $@

config.h:
	cp config.def.h $@
clean:
	rm -f dwl *.o *-protocol.h

# distribution archive
dist: clean
	mkdir -p dwl-$(VERSION)
	cp -R LICENSE* Makefile README.md client.h config.def.h\


@@ 51,8 44,6 @@ dist: clean
	tar -caf dwl-$(VERSION).tar.gz dwl-$(VERSION)
	rm -rf dwl-$(VERSION)

# install rules

install: dwl
	mkdir -p $(DESTDIR)$(PREFIX)/bin
	cp -f dwl $(DESTDIR)$(PREFIX)/bin

M README.md => README.md +4 -14
@@ 1,6 1,6 @@
# dwl - dwm for Wayland

Join us on our [Discord server](https://discord.gg/jJxZnrGPWN)!
Join us on our [Discord server](https://discord.gg/jJxZnrGPWN) or at [#dwl](https://web.libera.chat/?channels=#dwl) on irc.libera.chat.

dwl is a compact, hackable compositor for Wayland based on [wlroots](https://gitlab.freedesktop.org/wlroots/wlroots/). It is intended to fill the same space in the Wayland world that dwm does in X11, primarily in terms of philosophy, and secondarily in terms of functionality. Like dwm, dwl is:



@@ 27,7 27,7 @@ dwl is not meant to provide every feature under the sun. Instead, like dwm, it s
Features under consideration (possibly as patches) are:

- Protocols made trivial by wlroots
- Implement the text-input and input-method protocols to support IME once ibus implements input-method v2 (see https://github.com/ibus/ibus/pull/2256 and https://github.com/djpohly/dwl/pull/12)
- Implement the text-input and input-method protocols to support IME once ibus implements input-method v2 (see https://github.com/ibus/ibus/pull/2256 and https://github.com/djpohly/dwl/pull/235)

Feature *non-goals* for the main codebase include:



@@ 73,21 73,11 @@ If your startup command is a shell script, you can achieve the same inside the s

    exec <&-

Existing dwl-specific status bars and dwl-specific scripts for other status bars include:
- [somebar](https://sr.ht/~raphi/somebar/) status bar designed for dwl
- [dtaobarv2.sh](https://cdn.discordapp.com/attachments/792078050024095745/862428883423723560/dtaobarv2.sh) for use with [dtao](https://github.com/djpohly/dtao) (See "Pinned Messages" on the "customizations" channel of the [dwl Discord server](https://discord.gg/jJxZnrGPWN) for details.)
- [dwlbar.sh](https://cdn.discordapp.com/attachments/792078050024095745/810926218529472592/dwlbar.sh) for use with [waybar](https://github.com/Alexays/Waybar) (See "Pinned Messages" on the "customizations" channel of the  [dwl Discord server](https://discord.gg/jJxZnrGPWN) for details.)
- [waybar-dwl](https://codeberg.org/fauxmight/waybar-dwl.git) for use with [waybar](https://github.com/Alexays/Waybar)
- [dwl-tags.sh](https://codeberg.org/novakane/yambar/src/branch/master/examples/scripts/dwl-tags.sh) for use with [yambar](https://codeberg.org/dnkl/yambar)
- [waybar-dwl.sh](https://gitee.com/guyuming76/personal/tree/dwl/gentoo/waybar-dwl) for use with [waybar](https://github.com/Alexays/Waybar) (ACCESS TO THIS SCRIPT REQUIRES gitee.com LOGIN!)
To get a list of status bars that work with dwl consult our [wiki](https://github.com/djpohly/dwl/wiki#compatible-status-bars).

## Replacements for X applications

You can find a [list of Wayland applications on the sway wiki](https://github.com/swaywm/sway/wiki/i3-Migration-Guide).

## IRC channel

dwl's IRC channel is #dwl on irc.libera.chat.
You can find a [list of useful resources on our wiki](https://github.com/djpohly/dwl/wiki#migrating-from-x).

## Acknowledgements


M client.h => client.h +72 -69
@@ 16,21 16,10 @@ client_is_x11(Client *c)
#endif
}

static inline struct wlr_surface *
client_surface(Client *c)
{
#ifdef XWAYLAND
	if (client_is_x11(c))
		return c->surface.xwayland->surface;
#endif
	return c->surface.xdg->surface;
}

static inline Client *
client_from_wlr_surface(struct wlr_surface *s)
{
	struct wlr_xdg_surface *surface;
	struct wlr_surface *parent;

#ifdef XWAYLAND
	struct wlr_xwayland_surface *xsurface;


@@ 48,6 37,54 @@ client_from_wlr_surface(struct wlr_surface *s)
	return NULL;
}

static inline Client *
client_get_parent(Client *c)
{
#ifdef XWAYLAND
	if (client_is_x11(c) && c->surface.xwayland->parent)
		return client_from_wlr_surface(c->surface.xwayland->parent->surface);
#endif
	if (c->surface.xdg->toplevel->parent)
		return client_from_wlr_surface(c->surface.xdg->toplevel->parent->base->surface);

	return NULL;
}

static inline void
client_get_size_hints(Client *c, struct wlr_box *max, struct wlr_box *min)
{
	struct wlr_xdg_toplevel *toplevel;
	struct wlr_xdg_toplevel_state *state;
#ifdef XWAYLAND
	if (client_is_x11(c)) {
		xcb_size_hints_t *size_hints = c->surface.xwayland->size_hints;
		if (size_hints) {
			max->width = size_hints->max_width;
			max->height = size_hints->max_height;
			min->width = size_hints->min_width;
			min->height = size_hints->min_height;
		}
		return;
	}
#endif
	toplevel = c->surface.xdg->toplevel;
	state = &toplevel->current;
	max->width = state->max_width;
	max->height = state->max_height;
	min->width = state->min_width;
	min->height = state->min_height;
}

static inline struct wlr_surface *
client_surface(Client *c)
{
#ifdef XWAYLAND
	if (client_is_x11(c))
		return c->surface.xwayland->surface;
#endif
	return c->surface.xdg->surface;
}

/* The others */
static inline void
client_activate_surface(struct wlr_surface *s, int activated)


@@ 116,31 153,6 @@ client_get_geometry(Client *c, struct wlr_box *geom)
	wlr_xdg_surface_get_geometry(c->surface.xdg, geom);
}

static inline void
client_get_size_hints(Client *c, struct wlr_box *max, struct wlr_box *min)
{
	struct wlr_xdg_toplevel *toplevel;
	struct wlr_xdg_toplevel_state *state;
#ifdef XWAYLAND
	if (client_is_x11(c)) {
		xcb_size_hints_t *size_hints = c->surface.xwayland->size_hints;
		if (size_hints) {
			max->width = size_hints->max_width;
			max->height = size_hints->max_height;
			min->width = size_hints->min_width;
			min->height = size_hints->min_height;
		}
		return;
	}
#endif
	toplevel = c->surface.xdg->toplevel;
	state = &toplevel->current;
	max->width = state->max_width;
	max->height = state->max_height;
	min->width = state->min_width;
	min->height = state->min_height;
}

static inline const char *
client_get_title(Client *c)
{


@@ 151,20 163,6 @@ client_get_title(Client *c)
	return c->surface.xdg->toplevel->title;
}

static inline Client *
client_get_parent(Client *c)
{
	Client *p;
#ifdef XWAYLAND
	if (client_is_x11(c) && c->surface.xwayland->parent)
		return client_from_wlr_surface(c->surface.xwayland->parent->surface);
#endif
	if (c->surface.xdg->toplevel->parent)
		return client_from_wlr_surface(c->surface.xdg->toplevel->parent->base->surface);

	return NULL;
}

static inline int
client_is_float_type(Client *c)
{


@@ 183,16 181,11 @@ client_is_float_type(Client *c)
					|| surface->window_type[i] == netatom[NetWMWindowTypeToolbar]
					|| surface->window_type[i] == netatom[NetWMWindowTypeUtility])
				return 1;

		return ((min.width > 0 || min.height > 0 || max.width > 0 || max.height > 0)
			&& (min.width == max.width || min.height == max.height))
			|| c->surface.xwayland->parent;
	}
#endif

	return ((min.width > 0 || min.height > 0 || max.width > 0 || max.height > 0)
		&& (min.width == max.width || min.height == max.height))
		|| c->surface.xdg->toplevel->parent;
		|| client_get_parent(c);
}

static inline int


@@ 206,22 199,33 @@ client_is_mapped(Client *c)
}

static inline int
client_wants_fullscreen(Client *c)
client_is_unmanaged(Client *c)
{
#ifdef XWAYLAND
	if (client_is_x11(c))
		return c->surface.xwayland->fullscreen;
	return c->type == X11Unmanaged;
#endif
	return c->surface.xdg->toplevel->requested.fullscreen;
	return 0;
}

static inline int
client_is_unmanaged(Client *c)
static inline void
client_notify_enter(struct wlr_surface *s, struct wlr_keyboard *kb)
{
	if (kb)
		wlr_seat_keyboard_notify_enter(seat, s, kb->keycodes,
				kb->num_keycodes, &kb->modifiers);
	else
		wlr_seat_keyboard_notify_enter(seat, s, NULL, 0, NULL);
}

static inline void
client_restack_surface(Client *c)
{
#ifdef XWAYLAND
	return c->type == X11Unmanaged;
	if (client_is_x11(c))
		wlr_xwayland_surface_restack(c->surface.xwayland, NULL,
				XCB_STACK_MODE_ABOVE);
#endif
	return 0;
	return;
}

static inline void


@@ 282,15 286,14 @@ client_surface_at(Client *c, double cx, double cy, double *sx, double *sy)
	return wlr_xdg_surface_surface_at(c->surface.xdg, cx, cy, sx, sy);
}

static inline void
client_restack_surface(Client *c)
static inline int
client_wants_fullscreen(Client *c)
{
#ifdef XWAYLAND
	if (client_is_x11(c))
		wlr_xwayland_surface_restack(c->surface.xwayland, NULL,
				XCB_STACK_MODE_ABOVE);
		return c->surface.xwayland->fullscreen;
#endif
	return;
	return c->surface.xdg->toplevel->requested.fullscreen;
}

static inline void *

M config.def.h => config.def.h +1 -1
@@ 98,7 98,7 @@ static const double accel_speed = 0.0;
#define SHCMD(cmd) { .v = (const char*[]){ "/bin/sh", "-c", cmd, NULL } }

/* commands */
static const char *termcmd[] = { "alacritty", NULL };
static const char *termcmd[] = { "foot", NULL };
static const char *menucmd[] = { "bemenu-run", NULL };

static const Key keys[] = {

M config.mk => config.mk +3 -4
@@ 1,13 1,12 @@
_VERSION = 0.3.1
_VERSION = 0.3.1-dev
VERSION  = `git describe --long --tags --dirty 2>/dev/null || echo $(_VERSION)`

PKG_CONFIG = pkg-config

# paths
PREFIX = /usr/local
MANDIR = $(PREFIX)/share/man

# Compile flags that can be used
#CFLAGS = -pedantic -Wall -Wextra -Werror -Wno-unused-parameter -Wno-sign-compare -Wno-unused-function -Wno-unused-variable -Wno-unused-result -Wdeclaration-after-statement

XWAYLAND =
XLIBS =
# Uncomment to build XWayland support

M dwl.c => dwl.c +170 -117
@@ 1,7 1,6 @@
/*
 * See LICENSE file for copyright and license details.
 */
#define _POSIX_C_SOURCE 200809L
#include <getopt.h>
#include <libinput.h>
#include <limits.h>


@@ 70,7 69,7 @@
#define LISTEN(E, L, H)         wl_signal_add((E), ((L)->notify = (H), (L)))

/* enums */
enum { CurNormal, CurMove, CurResize }; /* cursor */
enum { CurNormal, CurPressed, CurMove, CurResize }; /* cursor */
enum { XDGShell, LayerShell, X11Managed, X11Unmanaged }; /* client types */
enum { LyrBg, LyrBottom, LyrTop, LyrOverlay, LyrTile, LyrFloat, LyrNoFocus, NUM_LAYERS }; /* scene layers */
#ifdef XWAYLAND


@@ 210,6 209,7 @@ 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 checkidleinhibitor(struct wlr_surface *exclude);
static void cleanup(void);
static void cleanupkeyboard(struct wl_listener *listener, void *data);
static void cleanupmon(struct wl_listener *listener, void *data);


@@ 292,8 292,9 @@ static void zoom(const Arg *arg);

/* variables */
static const char broken[] = "broken";
static const char *cursor_image = "left_ptr";
static pid_t child_pid = -1;
static struct wlr_surface *exclusive_focus;
static void *exclusive_focus;
static struct wl_display *dpy;
static struct wlr_backend *backend;
static struct wlr_scene *scene;


@@ 384,6 385,8 @@ applybounds(Client *c, struct wlr_box *bbox)
		/* try to set size hints */
		c->geom.width = MAX(min.width + (2 * c->bw), c->geom.width);
		c->geom.height = MAX(min.height + (2 * c->bw), c->geom.height);
		/* Some clients set them max size to INT_MAX, which does not violates
		 * the protocol but its innecesary, they can set them max size to zero. */
		if (max.width > 0 && !(2 * c->bw > INT_MAX - max.width)) // Checks for overflow
			c->geom.width = MIN(max.width + (2 * c->bw), c->geom.width);
		if (max.height > 0 && !(2 * c->bw > INT_MAX - max.height)) // Checks for overflow


@@ 435,9 438,10 @@ arrange(Monitor *m)
{
	Client *c;
	wl_list_for_each(c, &clients, link)
		wlr_scene_node_set_enabled(&c->scene->node, VISIBLEON(c, c->mon));
		if (c->mon == m)
			wlr_scene_node_set_enabled(&c->scene->node, VISIBLEON(c, m));

	if (m->lt[m->sellt]->arrange)
	if (m && m->lt[m->sellt]->arrange)
		m->lt[m->sellt]->arrange(m);
	motionnotify(0);
}


@@ 452,7 456,9 @@ arrangelayer(Monitor *m, struct wl_list *list, struct wlr_box *usable_area, int 
		struct wlr_layer_surface_v1 *wlr_layer_surface = layersurface->layer_surface;
		struct wlr_layer_surface_v1_state *state = &wlr_layer_surface->current;

		if (exclusive != (state->exclusive_zone > 0))
		/* Unmapped surfaces shouldn't have exclusive zone */
		if (!((LayerSurface *)wlr_layer_surface->data)->mapped
				|| exclusive != (state->exclusive_zone > 0))
			continue;

		wlr_scene_layer_surface_v1_configure(layersurface->scene_layer, &full_area, usable_area);


@@ 469,7 475,8 @@ arrangelayers(Monitor *m)
		ZWLR_LAYER_SHELL_V1_LAYER_TOP,
	};
	LayerSurface *layersurface;
	struct wlr_keyboard *kb = wlr_seat_get_keyboard(seat);
	if (!m->wlr_output->enabled)
		return;

	/* Arrange exclusive surfaces from top->bottom */
	for (i = 3; i >= 0; i--)


@@ 485,19 492,15 @@ arrangelayers(Monitor *m)
		arrangelayer(m, &m->layers[i], &usable_area, 0);

	/* Find topmost keyboard interactive layer, if such a layer exists */
	for (size_t i = 0; i < LENGTH(layers_above_shell); i++) {
	for (i = 0; i < LENGTH(layers_above_shell); 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) {
					layersurface->mapped) {
				/* Deactivate the focused client. */
				focusclient(NULL, 0);
				exclusive_focus = layersurface->layer_surface->surface;
				if (kb)
					wlr_seat_keyboard_notify_enter(seat, exclusive_focus,
							kb->keycodes, kb->num_keycodes, &kb->modifiers);
				else
					wlr_seat_keyboard_notify_enter(seat, exclusive_focus, NULL, 0, NULL);
				exclusive_focus = layersurface;
				client_notify_enter(layersurface->layer_surface->surface, wlr_seat_get_keyboard(seat));
				return;
			}
		}


@@ 511,6 514,8 @@ axisnotify(struct wl_listener *listener, void *data)
	 * for example when you move the scroll wheel. */
	struct wlr_pointer_axis_event *event = data;
	wlr_idle_notify_activity(idle, seat);
	/* TODO: allow usage of scroll whell for mousebindings, it can be implemented
	 * checking the event's orientation and the delta of the event */
	/* Notify the client with pointer focus of the axis event. */
	wlr_seat_pointer_notify_axis(seat,
			event->time_msec, event->orientation, event->delta,


@@ 545,17 550,23 @@ buttonpress(struct wl_listener *listener, void *data)
				return;
			}
		}
		cursor_mode = CurPressed;
		break;
	case WLR_BUTTON_RELEASED:
		/* If you released any buttons, we exit interactive move/resize mode. */
		/* TODO should reset to the pointer focus's current setcursor */
		if (cursor_mode != CurNormal) {
			wlr_xcursor_manager_set_cursor_image(cursor_mgr, "left_ptr", cursor);
		if (cursor_mode != CurNormal && cursor_mode != CurPressed) {
			cursor_mode = CurNormal;
			/* Clear the pointer focus, this way if the cursor is over a surface
			 * we will send an enter event after which the client will provide us
			 * a cursor surface */
			wlr_seat_pointer_clear_focus(seat);
			motionnotify(0);
			/* Drop the window off on its new monitor */
			selmon = xytomon(cursor->x, cursor->y);
			setmon(grabc, selmon, 0);
			return;
		} else {
			cursor_mode = CurNormal;
		}
		break;
	}


@@ 572,6 583,27 @@ chvt(const Arg *arg)
}

void
checkidleinhibitor(struct wlr_surface *exclude)
{
	int inhibited = 0;
	struct wlr_idle_inhibitor_v1 *inhibitor;
	wl_list_for_each(inhibitor, &idle_inhibit_mgr->inhibitors, link) {
		Client *c;
		if (exclude == inhibitor->surface)
			continue;
		/* In case we can't get a client from the surface assume that it is
		 * visible, for example a layer surface */
		if (!(c = client_from_wlr_surface(inhibitor->surface))
				|| VISIBLEON(c, c->mon)) {
			inhibited = 1;
			break;
		}
	}

	wlr_idle_set_enabled(idle, NULL, !inhibited);
}

void
cleanup(void)
{
#ifdef XWAYLAND


@@ 583,6 615,8 @@ cleanup(void)
		waitpid(child_pid, NULL, 0);
	}
	wlr_backend_destroy(backend);
	wlr_renderer_destroy(drw);
	wlr_allocator_destroy(alloc);
	wlr_xcursor_manager_destroy(cursor_mgr);
	wlr_cursor_destroy(cursor);
	wlr_output_layout_destroy(output_layout);


@@ 593,7 627,7 @@ cleanup(void)
void
cleanupkeyboard(struct wl_listener *listener, void *data)
{
	Keyboard *kb = wlr_keyboard_from_input_device(data)->data;
	Keyboard *kb = wl_container_of(listener, kb, destroy);

	wl_list_remove(&kb->link);
	wl_list_remove(&kb->modifiers.link);


@@ 605,13 639,13 @@ cleanupkeyboard(struct wl_listener *listener, void *data)
void
cleanupmon(struct wl_listener *listener, void *data)
{
	struct wlr_output *wlr_output = data;
	Monitor *m = wlr_output->data;
	Monitor *m = wl_container_of(listener, m, destroy);
	int nmons, i = 0;

	wl_list_remove(&m->destroy.link);
	wl_list_remove(&m->frame.link);
	wl_list_remove(&m->link);
	m->wlr_output->data = NULL;
	wlr_output_layout_remove(output_layout, m->wlr_output);
	wlr_scene_output_destroy(m->scene_output);



@@ 636,7 670,7 @@ closemon(Monitor *m)
			resize(c, (struct wlr_box){.x = c->geom.x - m->w.width, .y = c->geom.y,
				.width = c->geom.width, .height = c->geom.height}, 0);
		if (c->mon == m)
			setmon(c, selmon, c->tags);
			setmon(c, selmon == m ? NULL : selmon, c->tags);
	}
	printstatus();
}


@@ 648,23 682,24 @@ commitlayersurfacenotify(struct wl_listener *listener, void *data)
	struct wlr_layer_surface_v1 *wlr_layer_surface = layersurface->layer_surface;
	struct wlr_output *wlr_output = wlr_layer_surface->output;

	/* For some reason this layersurface have no monitor, this can be because
	 * its monitor has just been destroyed */
	if (!wlr_output || !(layersurface->mon = wlr_output->data))
		return;

	wlr_scene_node_reparent(&layersurface->scene->node,
			layers[wlr_layer_surface->current.layer]);
	if (layers[wlr_layer_surface->current.layer] != layersurface->scene->node.parent) {
		wlr_scene_node_reparent(&layersurface->scene->node,
				layers[wlr_layer_surface->current.layer]);
		wl_list_remove(&layersurface->link);
		wl_list_insert(&layersurface->mon->layers[wlr_layer_surface->current.layer],
				&layersurface->link);
	}

	if (wlr_layer_surface->current.committed == 0
			&& layersurface->mapped == wlr_layer_surface->mapped)
		return;

	layersurface->mapped = wlr_layer_surface->mapped;

	if (layers[wlr_layer_surface->current.layer] != layersurface->scene) {
		wl_list_remove(&layersurface->link);
		wl_list_insert(&layersurface->mon->layers[wlr_layer_surface->current.layer],
			&layersurface->link);
	}
	arrangelayers(layersurface->mon);
}



@@ 692,7 727,7 @@ createidleinhibitor(struct wl_listener *listener, void *data)
	struct wlr_idle_inhibitor_v1 *idle_inhibitor = data;
	wl_signal_add(&idle_inhibitor->events.destroy, &idle_inhibitor_destroy);

	wlr_idle_set_enabled(idle, seat, 0);
	checkidleinhibitor(NULL);
}

void


@@ 731,14 766,16 @@ createlayersurface(struct wl_listener *listener, void *data)
	LayerSurface *layersurface;
	struct wlr_layer_surface_v1_state old_state;

	if (!wlr_layer_surface->output) {
		wlr_layer_surface->output = selmon->wlr_output;
	}
	if (!wlr_layer_surface->output)
		wlr_layer_surface->output = selmon ? selmon->wlr_output : NULL;

	if (!wlr_layer_surface->output)
		wlr_layer_surface_v1_destroy(wlr_layer_surface);

	layersurface = ecalloc(1, sizeof(LayerSurface));
	layersurface->type = LayerShell;
	LISTEN(&wlr_layer_surface->surface->events.commit,
		&layersurface->surface_commit, commitlayersurfacenotify);
			&layersurface->surface_commit, commitlayersurfacenotify);
	LISTEN(&wlr_layer_surface->events.destroy, &layersurface->destroy,
			destroylayersurfacenotify);
	LISTEN(&wlr_layer_surface->events.map, &layersurface->map,


@@ 747,8 784,8 @@ createlayersurface(struct wl_listener *listener, void *data)
			unmaplayersurfacenotify);

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

	layersurface->scene_layer = wlr_scene_layer_surface_v1_create(
			layers[wlr_layer_surface->pending.layer], wlr_layer_surface);


@@ 765,6 802,7 @@ createlayersurface(struct wl_listener *listener, void *data)
	 */
	old_state = wlr_layer_surface->current;
	wlr_layer_surface->current = wlr_layer_surface->pending;
	layersurface->mapped = 1;
	arrangelayers(layersurface->mon);
	wlr_layer_surface->current = old_state;
}


@@ 776,14 814,14 @@ createmon(struct wl_listener *listener, void *data)
	 * monitor) becomes available. */
	struct wlr_output *wlr_output = data;
	const MonitorRule *r;
	Client *c;
	size_t i;
	Monitor *m = wlr_output->data = ecalloc(1, sizeof(*m));
	m->wlr_output = wlr_output;

	wlr_output_init_render(wlr_output, alloc, drw);

	/* Initialize monitor state using configured rules */
	for (size_t i = 0; i < LENGTH(m->layers); i++)
	for (i = 0; i < LENGTH(m->layers); i++)
		wl_list_init(&m->layers[i]);
	m->tagset[0] = m->tagset[1] = 1;
	for (r = monrules; r < END(monrules); r++) {


@@ 846,9 884,14 @@ createnotify(struct wl_listener *listener, void *data)
		LayerSurface *l = toplevel_from_popup(xdg_surface->popup);
		xdg_surface->surface->data = wlr_scene_xdg_surface_create(
				xdg_surface->popup->parent->data, xdg_surface);
		/* Raise to top layer if the inmediate parent of the popup is on
		 * bottom/background layer, which will cause popups appear below the
		 * x{dg,wayland} clients */
		if (wlr_surface_is_layer_surface(xdg_surface->popup->parent) && l
				&& l->layer_surface->current.layer < ZWLR_LAYER_SHELL_V1_LAYER_TOP)
			wlr_scene_node_reparent(xdg_surface->surface->data, layers[LyrTop]);
		/* Probably the check of `l` is useless, the only thing that can be NULL
		 * is its monitor */
		if (!l || !l->mon)
			return;
		box = l->type == LayerShell ? l->mon->m : l->mon->w;


@@ 931,9 974,9 @@ cursorframe(struct wl_listener *listener, void *data)
void
destroyidleinhibitor(struct wl_listener *listener, void *data)
{
	/* I've been testing and at this point the inhibitor has not yet been
	 * removed from the list, checking if it has at least one item. */
	wlr_idle_set_enabled(idle, seat, wl_list_length(&idle_inhibit_mgr->inhibitors) <= 1);
	/* `data` is the wlr_surface of the idle inhibitor being destroyed,
	 * at this point the idle inhibitor is still in the list of the manager */
	checkidleinhibitor(data);
}

void


@@ 947,11 990,6 @@ destroylayersurfacenotify(struct wl_listener *listener, void *data)
	wl_list_remove(&layersurface->unmap.link);
	wl_list_remove(&layersurface->surface_commit.link);
	wlr_scene_node_destroy(&layersurface->scene->node);
	if (layersurface->layer_surface->output) {
		if ((layersurface->mon = layersurface->layer_surface->output->data))
			arrangelayers(layersurface->mon);
		layersurface->layer_surface->output = NULL;
	}
	free(layersurface);
}



@@ 1003,11 1041,7 @@ void
focusclient(Client *c, int lift)
{
	struct wlr_surface *old = seat->keyboard_state.focused_surface;
	struct wlr_keyboard *kb;
	int i;
	/* Do not focus clients if a layer surface is focused */
	if (exclusive_focus)
		return;

	/* Raise client in stacking order if requested */
	if (c && lift)


@@ 1024,25 1058,25 @@ focusclient(Client *c, int lift)
		c->isurgent = 0;
		client_restack_surface(c);

		for (i = 0; i < 4; i++)
			wlr_scene_rect_set_color(c->border[i], focuscolor);
		/* Don't change border color if there is a exclusive focus
		 * (at this moment it means that a layer surface is focused) */
		if (!exclusive_focus)
			for (i = 0; i < 4; i++)
				wlr_scene_rect_set_color(c->border[i], focuscolor);
	}

	/* Deactivate old client if focus is changing */
	if (old && (!c || client_surface(c) != old)) {
		/* If an overlay is focused, don't focus or activate the client,
		 * but only update its position in fstack to render its border with focuscolor
		 * and focus it after the overlay is closed.
		 * It's probably pointless to check if old is a layer surface
		 * since it can't be anything else at this point. */
		 * and focus it after the overlay is closed. */
		if (wlr_surface_is_layer_surface(old)) {
			struct wlr_layer_surface_v1 *wlr_layer_surface =
				wlr_layer_surface_v1_from_wlr_surface(old);

			if (wlr_layer_surface->mapped && (
						wlr_layer_surface->current.layer == ZWLR_LAYER_SHELL_V1_LAYER_TOP ||
						wlr_layer_surface->current.layer == ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY
						))
			if (wlr_layer_surface && ((LayerSurface *)wlr_layer_surface->data)->mapped
					&& (wlr_layer_surface->current.layer == ZWLR_LAYER_SHELL_V1_LAYER_TOP
					|| wlr_layer_surface->current.layer == ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY))
				return;
		} else {
			Client *w;


@@ 1055,7 1089,7 @@ focusclient(Client *c, int lift)
	}

	printstatus();
	wlr_idle_set_enabled(idle, seat, wl_list_empty(&idle_inhibit_mgr->inhibitors));
	checkidleinhibitor(NULL);

	if (!c) {
		/* With no client, all we have left is to clear focus */


@@ 1063,13 1097,11 @@ focusclient(Client *c, int lift)
		return;
	}

	/* Change cursor surface */
	motionnotify(0);

	/* Have a client, so focus its top-level wlr_surface */
	kb = wlr_seat_get_keyboard(seat);
	if (kb)
		wlr_seat_keyboard_notify_enter(seat, client_surface(c),
				kb->keycodes, kb->num_keycodes, &kb->modifiers);
	else
		wlr_seat_keyboard_notify_enter(seat, client_surface(c), NULL, 0, NULL);
	client_notify_enter(client_surface(c), wlr_seat_get_keyboard(seat));

	/* Activate the new client */
	client_activate_surface(client_surface(c), 1);


@@ 1112,6 1144,9 @@ focusstack(const Arg *arg)
	focusclient(c, 1);
}

/* We probably should change the name of this, it sounds like
 * will focus the topmost client of this mon, when actually will
 * only return that client */
Client *
focustop(Monitor *m)
{


@@ 1126,19 1161,14 @@ void
fullscreennotify(struct wl_listener *listener, void *data)
{
	Client *c = wl_container_of(listener, c, fullscreen);
	int fullscreen = client_wants_fullscreen(c);

	if (!c->mon) {
		/* if the client is not mapped yet, let mapnotify() call setfullscreen() */
		c->isfullscreen = fullscreen;
		return;
	}
	setfullscreen(c, fullscreen);
	setfullscreen(c, client_wants_fullscreen(c));
}

void
incnmaster(const Arg *arg)
{
	if (!arg || !selmon)
		return;
	selmon->nmaster = MAX(selmon->nmaster + arg->i, 0);
	arrange(selmon);
}


@@ 1257,10 1287,8 @@ killclient(const Arg *arg)
void
maplayersurfacenotify(struct wl_listener *listener, void *data)
{
	LayerSurface *layersurface = wl_container_of(listener, layersurface, map);
	layersurface->mon = layersurface->layer_surface->output->data;
	wlr_surface_send_enter(layersurface->layer_surface->surface,
		layersurface->mon->wlr_output);
	LayerSurface *l = wl_container_of(listener, l, map);
	wlr_surface_send_enter(l->layer_surface->surface, l->mon->wlr_output);
	motionnotify(0);
}



@@ 1284,14 1312,17 @@ mapnotify(struct wl_listener *listener, void *data)
	}
	c->scene->node.data = c->scene_surface->node.data = c;

#ifdef XWAYLAND
	/* Handle unmanaged clients first so we can return prior create borders */
	if (client_is_unmanaged(c)) {
		client_get_geometry(c, &c->geom);
		/* Floating */
		/* Unmanaged clients always are floating */
		wlr_scene_node_reparent(&c->scene->node, layers[LyrFloat]);
		wlr_scene_node_set_position(&c->scene->node, c->geom.x + borderpx,
			c->geom.y + borderpx);
		return;
	}
#endif

	for (i = 0; i < 4; i++) {
		c->border[i] = wlr_scene_rect_create(c->scene, 0, 0, bordercolor);


@@ 1309,21 1340,19 @@ mapnotify(struct wl_listener *listener, void *data)
	wl_list_insert(&clients, &c->link);
	wl_list_insert(&fstack, &c->flink);

	/* Set initial monitor, tags, floating status, and focus */
	/* Set initial monitor, tags, floating status, and focus:
	 * we always consider floating, clients that have parent and thus
	 * we set the same tags and monitor than its parent, if not
	 * try to apply rules for them */
	if ((p = client_get_parent(c))) {
		/* Set the same monitor and tags than its parent */
		c->isfloating = 1;
		wlr_scene_node_reparent(&c->scene->node, layers[LyrFloat]);
		/* TODO recheck if !p->mon is possible with wlroots 0.16.0 */
		setmon(c, p->mon ? p->mon : selmon, p->tags);
		setmon(c, p->mon, p->tags);
	} else {
		applyrules(c);
	}
	printstatus();

	if (c->isfullscreen)
		setfullscreen(c, 1);

	c->mon->un_map = 1;
}



@@ 1383,6 1412,7 @@ motionnotify(uint32_t time)
			selmon = xytomon(cursor->x, cursor->y);
	}

	/* Update drag icon's position if any */
	if (seat->drag && (icon = seat->drag->icon))
		wlr_scene_node_set_position(icon->data, cursor->x + icon->surface->sx,
				cursor->y + icon->surface->sy);


@@ 1401,11 1431,18 @@ motionnotify(uint32_t time)
	/* Find the client under the pointer and send the event along. */
	xytonode(cursor->x, cursor->y, &surface, &c, NULL, &sx, &sy);

	if (cursor_mode == CurPressed) {
		surface = seat->pointer_state.focused_surface;
		c = client_from_wlr_surface(surface);
		sx = c ? cursor->x - c->geom.x : 0;
		sy = c ? cursor->y - c->geom.y : 0;
	}

	/* 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. */
	if (!surface && time)
		wlr_xcursor_manager_set_cursor_image(cursor_mgr, "left_ptr", cursor);
	if (!surface && (!cursor_image || strcmp(cursor_image, "left_ptr")))
		wlr_xcursor_manager_set_cursor_image(cursor_mgr, (cursor_image = "left_ptr"), cursor);

	pointerfocus(c, surface, sx, sy, time);
}


@@ 1440,7 1477,7 @@ moveresize(const Arg *arg)
	case CurMove:
		grabcx = cursor->x - grabc->geom.x;
		grabcy = cursor->y - grabc->geom.y;
		wlr_xcursor_manager_set_cursor_image(cursor_mgr, "fleur", cursor);
		wlr_xcursor_manager_set_cursor_image(cursor_mgr, (cursor_image = "fleur"), cursor);
		break;
	case CurResize:
		/* Doesn't work for X11 output - the next absolute motion event


@@ 1449,7 1486,7 @@ moveresize(const Arg *arg)
				grabc->geom.x + grabc->geom.width,
				grabc->geom.y + grabc->geom.height);
		wlr_xcursor_manager_set_cursor_image(cursor_mgr,
				"bottom_right_corner", cursor);
				(cursor_image = "bottom_right_corner"), cursor);
		break;
	}
}


@@ 1490,6 1527,7 @@ outputmgrapplyortest(struct wlr_output_configuration_v1 *config, int test)
	/* Then enable outputs that need to */
	wl_list_for_each(config_head, &config->heads, link) {
		struct wlr_output *wlr_output = config_head->state.output;
		Monitor *m = wlr_output->data;
		if (!config_head->state.enabled)
			continue;



@@ 1502,8 1540,11 @@ outputmgrapplyortest(struct wlr_output_configuration_v1 *config, int test)
					config_head->state.custom_mode.height,
					config_head->state.custom_mode.refresh);

		wlr_output_layout_move(output_layout, wlr_output,
				config_head->state.x, config_head->state.y);
		/* Don't move monitors if position wouldn't change, this to avoid
		 * wlroots marking the output as manually configured */
		if (m->m.x != config_head->state.x || m->m.y != config_head->state.y)
			wlr_output_layout_move(output_layout, wlr_output,
					config_head->state.x, config_head->state.y);
		wlr_output_set_transform(wlr_output, config_head->state.transform);
		wlr_output_set_scale(wlr_output, config_head->state.scale);



@@ 1571,7 1612,6 @@ pointerfocus(Client *c, struct wlr_surface *surface, double sx, double sy,
	 * wlroots makes this a no-op if surface is already focused */
	wlr_seat_pointer_notify_enter(seat, surface, sx, sy);
	wlr_seat_pointer_notify_motion(seat, time, sx, sy);

}

void


@@ 1684,6 1724,8 @@ resize(Client *c, struct wlr_box geo, int interact)
	wlr_scene_node_set_position(&c->border[1]->node, 0, c->geom.height - c->bw);
	wlr_scene_node_set_position(&c->border[2]->node, 0, c->bw);
	wlr_scene_node_set_position(&c->border[3]->node, c->geom.width - c->bw, c->bw);
	if (c->fullscreen_bg)
		wlr_scene_rect_set_size(c->fullscreen_bg, c->geom.width, c->geom.height);

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


@@ 1699,7 1741,12 @@ run(char *startup_cmd)
		die("startup: display_add_socket_auto");
	setenv("WAYLAND_DISPLAY", socket, 1);

	/* Now that the socket exists, run the startup command */
	/* Start the backend. This will enumerate outputs and inputs, become the DRM
	 * master, etc */
	if (!wlr_backend_start(backend))
		die("startup: backend_start");

	/* Now that the socket exists and the backend is started, run the startup command */
	if (startup_cmd) {
		int piperw[2];
		if (pipe(piperw) < 0)


@@ 1721,12 1768,7 @@ run(char *startup_cmd)
	signal(SIGPIPE, SIG_IGN);
	printstatus();

	/* Start the backend. This will enumerate outputs and inputs, become the DRM
	 * master, etc */
	if (!wlr_backend_start(backend))
		die("startup: backend_start");

	/* Now that outputs are initialized, choose initial selmon based on
	/* At this point the outputs are initialized, choose initial selmon based on
	 * cursor position, and set default cursor image */
	selmon = xytomon(cursor->x, cursor->y);



@@ 1735,7 1777,7 @@ run(char *startup_cmd)
	 * initialized, as the image/coordinates are not transformed for the
	 * monitor when displayed here */
	wlr_cursor_warp_closest(cursor, NULL, cursor->x, cursor->y);
	wlr_xcursor_manager_set_cursor_image(cursor_mgr, "left_ptr", cursor);
	wlr_xcursor_manager_set_cursor_image(cursor_mgr, cursor_image, cursor);

	/* Run the Wayland event loop. This does not return until you exit the
	 * compositor. Starting the backend rigged up all of the necessary event


@@ 1758,10 1800,12 @@ setcursor(struct wl_listener *listener, void *data)
{
	/* This event is raised by the seat when a client provides a cursor image */
	struct wlr_seat_pointer_request_set_cursor_event *event = data;
	/* If we're "grabbing" the cursor, don't use the client's image */
	/* TODO still need to save the provided surface to restore later */
	/* If we're "grabbing" the cursor, don't use the client's image, we will
	 * restore it after "grabbing" sending a leave event, followed by a enter
	 * event, which will result in the client requesting set the cursor surface */
	if (cursor_mode != CurNormal)
		return;
	cursor_image = NULL;
	/* This can be sent by any client, so we check to make sure this one is
	 * actually has pointer focus first. If so, we can tell the cursor to
	 * use the provided surface as the cursor image. It will set the


@@ 1785,6 1829,8 @@ void
setfullscreen(Client *c, int fullscreen)
{
	c->isfullscreen = fullscreen;
	if (!c->mon)
		return;
	c->bw = fullscreen ? 0 : borderpx;
	client_set_fullscreen(c, fullscreen);



@@ 1821,6 1867,8 @@ setfullscreen(Client *c, int fullscreen)
void
setlayout(const Arg *arg)
{
	if (!selmon)
		return;
	if (!arg || !arg->v || arg->v != selmon->lt[selmon->sellt])
		selmon->sellt ^= 1;
	if (arg && arg->v)


@@ 1836,7 1884,7 @@ setmfact(const Arg *arg)
{
	float f;

	if (!arg || !selmon->lt[selmon->sellt]->arrange)
	if (!arg || !selmon || !selmon->lt[selmon->sellt]->arrange)
		return;
	f = arg->f < 1.0 ? arg->f + selmon->mfact : arg->f - 1.0;
	if (f < 0.1 || f > 0.9)


@@ 1853,6 1901,7 @@ setmon(Client *c, Monitor *m, unsigned int newtags)
	if (oldmon == m)
		return;
	c->mon = m;
	c->prev = c->geom;

	/* TODO leave/enter is not optimal but works */
	if (oldmon) {


@@ 1864,7 1913,7 @@ setmon(Client *c, Monitor *m, unsigned int newtags)
		resize(c, c->geom, 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);
		setfullscreen(c, c->isfullscreen); /* This will call arrange(c->mon) */
	}
	focusclient(focustop(selmon), 1);
}


@@ 2112,9 2161,8 @@ void
tagmon(const Arg *arg)
{
	Client *sel = selclient();
	if (!sel)
		return;
	setmon(sel, dirtomon(arg->i), 0);
	if (sel)
		setmon(sel, dirtomon(arg->i), 0);
}

void


@@ 2186,7 2234,7 @@ toggletag(const Arg *arg)
void
toggleview(const Arg *arg)
{
	unsigned int newtagset = selmon->tagset[selmon->seltags] ^ (arg->ui & TAGMASK);
	unsigned int newtagset = selmon ? selmon->tagset[selmon->seltags] ^ (arg->ui & TAGMASK) : 0;

	if (newtagset) {
		selmon->tagset[selmon->seltags] = newtagset;


@@ 2201,10 2249,13 @@ unmaplayersurfacenotify(struct wl_listener *listener, void *data)
{
	LayerSurface *layersurface = wl_container_of(listener, layersurface, unmap);

	layersurface->layer_surface->mapped = (layersurface->mapped = 0);
	layersurface->mapped = 0;
	wlr_scene_node_set_enabled(&layersurface->scene->node, 0);
	if (layersurface->layer_surface->surface == exclusive_focus)
	if (layersurface == exclusive_focus)
		exclusive_focus = NULL;
	if (layersurface->layer_surface->output
			&& (layersurface->mon = layersurface->layer_surface->output->data))
		arrangelayers(layersurface->mon);
	if (layersurface->layer_surface->surface ==
			seat->keyboard_state.focused_surface)
		focusclient(selclient(), 1);


@@ 2224,17 2275,18 @@ unmapnotify(struct wl_listener *listener, void *data)
	if (c->mon)
		c->mon->un_map = 1;

	if (client_is_unmanaged(c)) {
		wlr_scene_node_destroy(&c->scene->node);
		return;
	}
	if (client_is_unmanaged(c))
		goto end;

	wl_list_remove(&c->link);
	setmon(c, NULL, 0);
	wl_list_remove(&c->flink);

end:
	wl_list_remove(&c->commit.link);
	wlr_scene_node_destroy(&c->scene->node);
	printstatus();
	motionnotify(0);
}

void


@@ 2304,7 2356,7 @@ urgent(struct wl_listener *listener, void *data)
void
view(const Arg *arg)
{
	if ((arg->ui & TAGMASK) == selmon->tagset[selmon->seltags])
	if (!selmon || (arg->ui & TAGMASK) == selmon->tagset[selmon->seltags])
		return;
	selmon->seltags ^= 1; /* toggle sel tagset */
	if (arg->ui & TAGMASK)


@@ 2367,7 2419,7 @@ zoom(const Arg *arg)
{
	Client *c, *sel = selclient();

	if (!sel || !selmon->lt[selmon->sellt]->arrange || sel->isfloating)
	if (!sel || !selmon || !selmon->lt[selmon->sellt]->arrange || sel->isfloating)
		return;

	/* Search for the first tiled window that is not sel, marking sel as


@@ 2419,6 2471,7 @@ createnotifyx11(struct wl_listener *listener, void *data)
{
	struct wlr_xwayland_surface *xwayland_surface = data;
	Client *c;
	/* TODO: why we unset fullscreen when a xwayland client is created? */
	wl_list_for_each(c, &clients, link)
		if (c->isfullscreen && VISIBLEON(c, c->mon))
			setfullscreen(c, 0);

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