Merge branch 'wlroots-next'

2 files changed, 123 insertions, 71 deletions

diff --git a/Makefile b/Makefile
index 0d651e7..3358bae 100644
--- a/Makefile
+++ b/Makefile
@@ -12,7 +12,7 @@ DWLDEVCFLAGS = -g -pedantic -Wall -Wextra -Wdeclaration-after-statement \
 	-Wfloat-conversion
 
 # CFLAGS / LDFLAGS
-PKGS      = wlroots wayland-server xkbcommon libinput $(XLIBS)
+PKGS      = wlroots-0.18 wayland-server xkbcommon libinput $(XLIBS)
 DWLCFLAGS = `$(PKG_CONFIG) --cflags $(PKGS)` $(DWLCPPFLAGS) $(DWLDEVCFLAGS) $(CFLAGS)
 LDLIBS    = `$(PKG_CONFIG) --libs $(PKGS)` -lm $(LIBS)
 
@@ -31,13 +31,13 @@ WAYLAND_SCANNER   = `$(PKG_CONFIG) --variable=wayland_scanner wayland-scanner`
 WAYLAND_PROTOCOLS = `$(PKG_CONFIG) --variable=pkgdatadir wayland-protocols`
 
 cursor-shape-v1-protocol.h:
-	$(WAYLAND_SCANNER) server-header \
+	$(WAYLAND_SCANNER) enum-header \
 		$(WAYLAND_PROTOCOLS)/staging/cursor-shape/cursor-shape-v1.xml $@
 pointer-constraints-unstable-v1-protocol.h:
-	$(WAYLAND_SCANNER) server-header \
+	$(WAYLAND_SCANNER) enum-header \
 		$(WAYLAND_PROTOCOLS)/unstable/pointer-constraints/pointer-constraints-unstable-v1.xml $@
 wlr-layer-shell-unstable-v1-protocol.h:
-	$(WAYLAND_SCANNER) server-header \
+	$(WAYLAND_SCANNER) enum-header \
 		protocols/wlr-layer-shell-unstable-v1.xml $@
 wlr-output-power-management-unstable-v1-protocol.h:
 	$(WAYLAND_SCANNER) server-header \
diff --git a/dwl.c b/dwl.c
index 145fd01..4a1267b 100644
--- a/dwl.c
+++ b/dwl.c
@@ -16,6 +16,7 @@
 #include <wlr/backend/libinput.h>
 #include <wlr/render/allocator.h>
 #include <wlr/render/wlr_renderer.h>
+#include <wlr/types/wlr_alpha_modifier_v1.h>
 #include <wlr/types/wlr_compositor.h>
 #include <wlr/types/wlr_cursor.h>
 #include <wlr/types/wlr_cursor_shape_v1.h>
@@ -257,6 +258,7 @@ static void cleanupmon(struct wl_listener *listener, void *data);
 static void closemon(Monitor *m);
 static void commitlayersurfacenotify(struct wl_listener *listener, void *data);
 static void commitnotify(struct wl_listener *listener, void *data);
+static void commitpopup(struct wl_listener *listener, void *data);
 static void createdecoration(struct wl_listener *listener, void *data);
 static void createidleinhibitor(struct wl_listener *listener, void *data);
 static void createkeyboard(struct wlr_keyboard *keyboard);
@@ -267,6 +269,7 @@ static void createmon(struct wl_listener *listener, void *data);
 static void createnotify(struct wl_listener *listener, void *data);
 static void createpointer(struct wlr_pointer *pointer);
 static void createpointerconstraint(struct wl_listener *listener, void *data);
+static void createpopup(struct wl_listener *listener, void *data);
 static void cursorconstrain(struct wlr_pointer_constraint_v1 *constraint);
 static void cursorframe(struct wl_listener *listener, void *data);
 static void cursorwarptohint(void);
@@ -287,6 +290,7 @@ static void focusmon(const Arg *arg);
 static void focusstack(const Arg *arg);
 static Client *focustop(Monitor *m);
 static void fullscreennotify(struct wl_listener *listener, void *data);
+static void gpureset(struct wl_listener *listener, void *data);
 static void handlesig(int signo);
 static void incnmaster(const Arg *arg);
 static void inputdevice(struct wl_listener *listener, void *data);
@@ -358,6 +362,7 @@ static pid_t child_pid = -1;
 static int locked;
 static void *exclusive_focus;
 static struct wl_display *dpy;
+static struct wl_event_loop *event_loop;
 static struct wlr_backend *backend;
 static struct wlr_scene *scene;
 static struct wlr_scene_tree *layers[NUM_LAYERS];
@@ -587,7 +592,7 @@ axisnotify(struct wl_listener *listener, void *data)
 	/* Notify the client with pointer focus of the axis event. */
 	wlr_seat_pointer_notify_axis(seat,
 			event->time_msec, event->orientation, event->delta,
-			event->delta_discrete, event->source);
+			event->delta_discrete, event->source, event->relative_direction);
 }
 
 void
@@ -602,7 +607,7 @@ buttonpress(struct wl_listener *listener, void *data)
 	wlr_idle_notifier_v1_notify_activity(idle_notifier, seat);
 
 	switch (event->state) {
-	case WLR_BUTTON_PRESSED:
+	case WL_POINTER_BUTTON_STATE_PRESSED:
 		cursor_mode = CurPressed;
 		selmon = xytomon(cursor->x, cursor->y);
 		if (locked)
@@ -623,7 +628,7 @@ buttonpress(struct wl_listener *listener, void *data)
 			}
 		}
 		break;
-	case WLR_BUTTON_RELEASED:
+	case WL_POINTER_BUTTON_STATE_RELEASED:
 		/* If you released any buttons, we exit interactive move/resize mode. */
 		/* TODO should reset to the pointer focus's current setcursor */
 		if (!locked && cursor_mode != CurNormal && cursor_mode != CurPressed) {
@@ -681,10 +686,13 @@ cleanup(void)
 		waitpid(child_pid, NULL, 0);
 	}
 	wlr_xcursor_manager_destroy(cursor_mgr);
-	wlr_output_layout_destroy(output_layout);
 
 	destroykeyboardgroup(&kb_group->destroy, NULL);
 
+	/* If it's not destroyed manually it will cause a use-after-free of wlr_seat.
+	 * Destroy it until it's fixed in the wlroots side */
+	wlr_backend_destroy(backend);
+
 	wl_display_destroy(dpy);
 	/* Destroy after the wayland display (when the monitors are already destroyed)
 	   to avoid destroying them with an invalid scene output. */
@@ -752,6 +760,17 @@ commitlayersurfacenotify(struct wl_listener *listener, void *data)
 	LayerSurface *l = wl_container_of(listener, l, surface_commit);
 	struct wlr_layer_surface_v1 *layer_surface = l->layer_surface;
 	struct wlr_scene_tree *scene_layer = layers[layermap[layer_surface->current.layer]];
+	struct wlr_layer_surface_v1_state old_state;
+
+	if (l->layer_surface->initial_commit) {
+		/* Temporarily set the layer's current state to pending
+		 * so that we can easily arrange it */
+		old_state = l->layer_surface->current;
+		l->layer_surface->current = l->layer_surface->pending;
+		arrangelayers(l->mon);
+		l->layer_surface->current = old_state;
+		return;
+	}
 
 	if (layer_surface->current.committed == 0 && l->mapped == layer_surface->surface->mapped)
 		return;
@@ -784,6 +803,12 @@ commitnotify(struct wl_listener *listener, void *data)
 		wlr_surface_set_preferred_buffer_scale(client_surface(c), (int)ceilf(c->mon->wlr_output->scale));
 		wlr_fractional_scale_v1_notify_scale(client_surface(c), c->mon->wlr_output->scale);
 		setmon(c, NULL, 0); /* Make sure to reapply rules in mapnotify() */
+
+		wlr_xdg_toplevel_set_wm_capabilities(c->surface.xdg->toplevel, WLR_XDG_TOPLEVEL_WM_CAPABILITIES_FULLSCREEN);
+		wlr_xdg_toplevel_set_size(c->surface.xdg->toplevel, 0, 0);
+		if (c->decoration)
+			requestdecorationmode(&c->set_decoration_mode, c->decoration);
+		return;
 	}
 
 	if (client_surface(c)->mapped && c->mon)
@@ -795,6 +820,33 @@ commitnotify(struct wl_listener *listener, void *data)
 }
 
 void
+commitpopup(struct wl_listener *listener, void *data)
+{
+	struct wlr_surface *surface = data;
+	struct wlr_xdg_popup *popup = wlr_xdg_popup_try_from_wlr_surface(surface);
+	LayerSurface *l = NULL;
+	Client *c = NULL;
+	struct wlr_box box;
+	int type = -1;
+
+	if (!popup->base->initial_commit)
+		return;
+
+	type = toplevel_from_wlr_surface(popup->base->surface, &c, &l);
+	if (!popup->parent || type < 0)
+		return;
+	popup->base->surface->data = wlr_scene_xdg_surface_create(
+			popup->parent->data, popup->base);
+	if ((l && !l->mon) || (c && !c->mon))
+		return;
+	box = type == LayerShell ? l->mon->m : c->mon->w;
+	box.x -= (type == LayerShell ? l->geom.x : c->geom.x);
+	box.y -= (type == LayerShell ? l->geom.y : c->geom.y);
+	wlr_xdg_popup_unconstrain_from_box(popup, &box);
+	wl_list_remove(&listener->link);
+}
+
+void
 createdecoration(struct wl_listener *listener, void *data)
 {
 	struct wlr_xdg_toplevel_decoration_v1 *deco = data;
@@ -852,8 +904,7 @@ createkeyboardgroup(void)
 	LISTEN(&group->wlr_group->keyboard.events.key, &group->key, keypress);
 	LISTEN(&group->wlr_group->keyboard.events.modifiers, &group->modifiers, keypressmod);
 
-	group->key_repeat_source = wl_event_loop_add_timer(
-			wl_display_get_event_loop(dpy), keyrepeat, group);
+	group->key_repeat_source = wl_event_loop_add_timer(event_loop, keyrepeat, group);
 
 	/* A seat can only have one keyboard, but this is a limitation of the
 	 * Wayland protocol - not wlroots. We assign all connected keyboards to the
@@ -871,7 +922,6 @@ createlayersurface(struct wl_listener *listener, void *data)
 	LayerSurface *l;
 	struct wlr_surface *surface = layer_surface->surface;
 	struct wlr_scene_tree *scene_layer = layers[layermap[layer_surface->pending.layer]];
-	struct wlr_layer_surface_v1_state old_state;
 
 	if (!layer_surface->output
 			&& !(layer_surface->output = selmon ? selmon->wlr_output : NULL)) {
@@ -897,15 +947,6 @@ createlayersurface(struct wl_listener *listener, void *data)
 	wlr_surface_send_enter(surface, layer_surface->output);
 	wlr_fractional_scale_v1_notify_scale(surface, l->mon->wlr_output->scale);
 	wlr_surface_set_preferred_buffer_scale(surface, (int32_t)ceilf(l->mon->wlr_output->scale));
-
-	/* Temporarily set the layer's current state to pending
-	 * so that we can easily arrange it
-	 */
-	old_state = layer_surface->current;
-	layer_surface->current = layer_surface->pending;
-	l->mapped = 1;
-	arrangelayers(l->mon);
-	layer_surface->current = old_state;
 }
 
 void
@@ -1011,49 +1052,22 @@ createmon(struct wl_listener *listener, void *data)
 void
 createnotify(struct wl_listener *listener, void *data)
 {
-	/* This event is raised when wlr_xdg_shell receives a new xdg surface from a
-	 * client, either a toplevel (application window) or popup,
-	 * or when wlr_layer_shell receives a new popup from a layer.
-	 * If you want to do something tricky with popups you should check if
-	 * its parent is wlr_xdg_shell or wlr_layer_shell */
-	struct wlr_xdg_surface *xdg_surface = data;
+	/* This event is raised when a client creates a new toplevel (application window). */
+	struct wlr_xdg_toplevel *toplevel = data;
 	Client *c = NULL;
-	LayerSurface *l = NULL;
-
-	if (xdg_surface->role == WLR_XDG_SURFACE_ROLE_POPUP) {
-		struct wlr_xdg_popup *popup = xdg_surface->popup;
-		struct wlr_box box;
-		if (toplevel_from_wlr_surface(popup->base->surface, &c, &l) < 0)
-			return;
-		popup->base->surface->data = wlr_scene_xdg_surface_create(
-				popup->parent->data, popup->base);
-		if ((l && !l->mon) || (c && !c->mon))
-			return;
-		box = l ? l->mon->m : c->mon->w;
-		box.x -= (l ? l->geom.x : c->geom.x);
-		box.y -= (l ? l->geom.y : c->geom.y);
-		wlr_xdg_popup_unconstrain_from_box(popup, &box);
-		return;
-	} else if (xdg_surface->role == WLR_XDG_SURFACE_ROLE_NONE)
-		return;
 
 	/* Allocate a Client for this surface */
-	c = xdg_surface->data = ecalloc(1, sizeof(*c));
-	c->surface.xdg = xdg_surface;
+	c = toplevel->base->data = ecalloc(1, sizeof(*c));
+	c->surface.xdg = toplevel->base;
 	c->bw = borderpx;
 
-	wlr_xdg_toplevel_set_wm_capabilities(xdg_surface->toplevel,
-			WLR_XDG_TOPLEVEL_WM_CAPABILITIES_FULLSCREEN);
-
-	LISTEN(&xdg_surface->events.destroy, &c->destroy, destroynotify);
-	LISTEN(&xdg_surface->surface->events.commit, &c->commit, commitnotify);
-	LISTEN(&xdg_surface->surface->events.map, &c->map, mapnotify);
-	LISTEN(&xdg_surface->surface->events.unmap, &c->unmap, unmapnotify);
-	LISTEN(&xdg_surface->toplevel->events.request_fullscreen, &c->fullscreen,
-			fullscreennotify);
-	LISTEN(&xdg_surface->toplevel->events.request_maximize, &c->maximize,
-			maximizenotify);
-	LISTEN(&xdg_surface->toplevel->events.set_title, &c->set_title, updatetitle);
+	LISTEN(&toplevel->base->surface->events.commit, &c->commit, commitnotify);
+	LISTEN(&toplevel->base->surface->events.map, &c->map, mapnotify);
+	LISTEN(&toplevel->base->surface->events.unmap, &c->unmap, unmapnotify);
+	LISTEN(&toplevel->events.destroy, &c->destroy, destroynotify);
+	LISTEN(&toplevel->events.request_fullscreen, &c->fullscreen, fullscreennotify);
+	LISTEN(&toplevel->events.request_maximize, &c->maximize, maximizenotify);
+	LISTEN(&toplevel->events.set_title, &c->set_title, updatetitle);
 }
 
 void
@@ -1110,6 +1124,15 @@ createpointerconstraint(struct wl_listener *listener, void *data)
 }
 
 void
+createpopup(struct wl_listener *listener, void *data)
+{
+	/* This event is raised when a client (either xdg-shell or layer-shell)
+	 * creates a new popup. */
+	struct wlr_xdg_popup *popup = data;
+	LISTEN_STATIC(&popup->base->surface->events.commit, commitpopup);
+}
+
+void
 cursorconstrain(struct wlr_pointer_constraint_v1 *constraint)
 {
 	if (active_constraint == constraint)
@@ -1141,8 +1164,7 @@ cursorwarptohint(void)
 	double sy = active_constraint->current.cursor_hint.y;
 
 	toplevel_from_wlr_surface(active_constraint->surface, &c, NULL);
-	/* TODO: wlroots 0.18: https://gitlab.freedesktop.org/wlroots/wlroots/-/merge_requests/4478 */
-	if (c && (active_constraint->current.committed & WLR_POINTER_CONSTRAINT_V1_STATE_CURSOR_HINT )) {
+	if (c && active_constraint->current.cursor_hint.enabled) {
 		wlr_cursor_warp(cursor, NULL, sx + c->geom.x + c->bw, sy + c->geom.y + c->bw);
 		wlr_seat_pointer_warp(active_constraint->seat, sx, sy);
 	}
@@ -1152,6 +1174,7 @@ void
 destroydecoration(struct wl_listener *listener, void *data)
 {
 	Client *c = wl_container_of(listener, c, destroy_decoration);
+	c->decoration = NULL;
 
 	wl_list_remove(&c->destroy_decoration.link);
 	wl_list_remove(&c->set_decoration_mode.link);
@@ -1447,6 +1470,30 @@ fullscreennotify(struct wl_listener *listener, void *data)
 }
 
 void
+gpureset(struct wl_listener *listener, void *data)
+{
+	struct wlr_renderer *old_drw = drw;
+	struct wlr_allocator *old_alloc = alloc;
+	struct Monitor *m;
+	if (!(drw = wlr_renderer_autocreate(backend)))
+		die("couldn't recreate renderer");
+
+	if (!(alloc = wlr_allocator_autocreate(backend, drw)))
+		die("couldn't recreate allocator");
+
+	LISTEN_STATIC(&drw->events.lost, gpureset);
+
+	wlr_compositor_set_renderer(compositor, drw);
+
+	wl_list_for_each(m, &mons, link) {
+		wlr_output_init_render(m->wlr_output, alloc, drw);
+	}
+
+	wlr_allocator_destroy(old_alloc);
+	wlr_renderer_destroy(old_drw);
+}
+
+void
 handlesig(int signo)
 {
 	if (signo == SIGCHLD) {
@@ -1711,8 +1758,9 @@ maximizenotify(struct wl_listener *listener, void *data)
 	 * protocol version
 	 * wlr_xdg_surface_schedule_configure() is used to send an empty reply. */
 	Client *c = wl_container_of(listener, c, maximize);
-	if (wl_resource_get_version(c->surface.xdg->toplevel->resource)
-			< XDG_TOPLEVEL_WM_CAPABILITIES_SINCE_VERSION)
+	if (c->surface.xdg->initialized
+			&& wl_resource_get_version(c->surface.xdg->toplevel->resource)
+					< XDG_TOPLEVEL_WM_CAPABILITIES_SINCE_VERSION)
 		wlr_xdg_surface_schedule_configure(c->surface.xdg);
 }
 
@@ -2102,8 +2150,9 @@ void
 requestdecorationmode(struct wl_listener *listener, void *data)
 {
 	Client *c = wl_container_of(listener, c, set_decoration_mode);
-	wlr_xdg_toplevel_decoration_v1_set_mode(c->decoration,
-			WLR_XDG_TOPLEVEL_DECORATION_V1_MODE_SERVER_SIDE);
+	if (c->surface.xdg->initialized)
+		wlr_xdg_toplevel_decoration_v1_set_mode(c->decoration,
+				WLR_XDG_TOPLEVEL_DECORATION_V1_MODE_SERVER_SIDE);
 }
 
 void
@@ -2388,12 +2437,13 @@ setup(void)
 	/* The Wayland display is managed by libwayland. It handles accepting
 	 * clients from the Unix socket, manging Wayland globals, and so on. */
 	dpy = wl_display_create();
+	event_loop = wl_display_get_event_loop(dpy);
 
 	/* The backend is a wlroots feature which abstracts the underlying input and
 	 * output hardware. The autocreate option will choose the most suitable
 	 * backend based on the current environment, such as opening an X11 window
 	 * if an X11 server is running. */
-	if (!(backend = wlr_backend_autocreate(dpy, &session)))
+	if (!(backend = wlr_backend_autocreate(event_loop, &session)))
 		die("couldn't create backend");
 
 	/* Initialize the scene graph used to lay out windows */
@@ -2410,6 +2460,7 @@ setup(void)
 	 * supports for shared memory, this configures that for clients. */
 	if (!(drw = wlr_renderer_autocreate(backend)))
 		die("couldn't create renderer");
+	LISTEN_STATIC(&drw->events.lost, gpureset);
 
 	/* Create shm, drm and linux_dmabuf interfaces by ourselves.
 	 * The simplest way is call:
@@ -2418,10 +2469,10 @@ setup(void)
 	 * with wlr_scene. */
 	wlr_renderer_init_wl_shm(drw, dpy);
 
-	if (wlr_renderer_get_dmabuf_texture_formats(drw)) {
+	if (wlr_renderer_get_texture_formats(drw, WLR_BUFFER_CAP_DMABUF)) {
 		wlr_drm_create(dpy, drw);
 		wlr_scene_set_linux_dmabuf_v1(scene,
-				wlr_linux_dmabuf_v1_create_with_renderer(dpy, 4, drw));
+				wlr_linux_dmabuf_v1_create_with_renderer(dpy, 5, drw));
 	}
 
 	/* Autocreates an allocator for us.
@@ -2447,6 +2498,8 @@ setup(void)
 	wlr_viewporter_create(dpy);
 	wlr_single_pixel_buffer_manager_v1_create(dpy);
 	wlr_fractional_scale_manager_v1_create(dpy, 1);
+	wlr_presentation_create(dpy, backend);
+	wlr_alpha_modifier_v1_create(dpy);
 
 	/* Initializes the interface used to implement urgency hints */
 	activation = wlr_xdg_activation_v1_create(dpy);
@@ -2460,7 +2513,7 @@ setup(void)
 
 	/* Creates an output layout, which a wlroots utility for working with an
 	 * arrangement of screens in a physical layout. */
-	output_layout = wlr_output_layout_create();
+	output_layout = wlr_output_layout_create(dpy);
 	LISTEN_STATIC(&output_layout->events.change, updatemons);
 	wlr_xdg_output_manager_v1_create(dpy, output_layout);
 
@@ -2479,7 +2532,8 @@ setup(void)
 	wl_list_init(&fstack);
 
 	xdg_shell = wlr_xdg_shell_create(dpy, 6);
-	LISTEN_STATIC(&xdg_shell->events.new_surface, createnotify);
+	LISTEN_STATIC(&xdg_shell->events.new_toplevel, createnotify);
+	LISTEN_STATIC(&xdg_shell->events.new_popup, createpopup);
 
 	layer_shell = wlr_layer_shell_v1_create(dpy, 3);
 	LISTEN_STATIC(&layer_shell->events.new_surface, createlayersurface);
@@ -2567,8 +2621,6 @@ setup(void)
 	LISTEN_STATIC(&output_mgr->events.apply, outputmgrapply);
 	LISTEN_STATIC(&output_mgr->events.test, outputmgrtest);
 
-	wlr_scene_set_presentation(scene, wlr_presentation_create(dpy, backend));
-
 	/* Make sure XWayland clients don't connect to the parent X server,
 	 * e.g when running in the x11 backend or the wayland backend and the
 	 * compositor has Xwayland support */