Merge branch 'master' into fix-swaylock-hotplugging

20 files changed, 985 insertions, 333 deletions

diff --git a/include/sway/input/cursor.h b/include/sway/input/cursor.h
index 20c1c903..42c894a4 100644
--- a/include/sway/input/cursor.h
+++ b/include/sway/input/cursor.h
@@ -29,7 +29,8 @@ struct sway_cursor {
 
 void sway_cursor_destroy(struct sway_cursor *cursor);
 struct sway_cursor *sway_cursor_create(struct sway_seat *seat);
-void cursor_send_pointer_motion(struct sway_cursor *cursor, uint32_t time_msec);
+void cursor_send_pointer_motion(struct sway_cursor *cursor, uint32_t time_msec,
+		bool allow_refocusing);
 void dispatch_cursor_button(struct sway_cursor *cursor, uint32_t time_msec,
 	uint32_t button, enum wlr_button_state state);
 
diff --git a/include/sway/input/seat.h b/include/sway/input/seat.h
index ff76841e..2e4da438 100644
--- a/include/sway/input/seat.h
+++ b/include/sway/input/seat.h
@@ -95,6 +95,12 @@ struct sway_container *seat_get_focus_inactive_view(struct sway_seat *seat,
 		struct sway_container *container);
 
 /**
+ * Return the immediate child of container which was most recently focused.
+ */
+struct sway_container *seat_get_active_child(struct sway_seat *seat,
+		struct sway_container *container);
+
+/**
  * Iterate over the focus-inactive children of the container calling the
  * function on each.
  */
diff --git a/include/sway/tree/container.h b/include/sway/tree/container.h
index ec9e2385..493c70e2 100644
--- a/include/sway/tree/container.h
+++ b/include/sway/tree/container.h
@@ -11,6 +11,12 @@ extern struct sway_container root_container;
 struct sway_view;
 struct sway_seat;
 
+#define TITLEBAR_BORDER_THICKNESS 1
+
+// Padding includes titlebar border
+#define TITLEBAR_H_PADDING 3
+#define TITLEBAR_V_PADDING 4
+
 /**
  * Different kinds of containers.
  *
@@ -98,6 +104,8 @@ struct sway_container {
 		// Passed the previous parent
 		struct wl_signal reparent;
 	} events;
+
+	struct wl_listener reparent;
 };
 
 struct sway_container *container_create(enum sway_container_type type);
@@ -160,7 +168,7 @@ struct sway_container *container_parent(struct sway_container *container,
  * is a view and the view contains a surface at those coordinates.
  */
 struct sway_container *container_at(struct sway_container *container,
-		double lx, double ly, struct wlr_surface **surface,
+		double ox, double oy, struct wlr_surface **surface,
 		double *sx, double *sy);
 
 /**
@@ -210,4 +218,9 @@ void container_calculate_title_height(struct sway_container *container);
 
 void container_notify_child_title_changed(struct sway_container *container);
 
+/**
+ * Return the height of a regular title bar.
+ */
+size_t container_titlebar_height(void);
+
 #endif
diff --git a/include/sway/tree/view.h b/include/sway/tree/view.h
index 951912d0..0fb8f1b3 100644
--- a/include/sway/tree/view.h
+++ b/include/sway/tree/view.h
@@ -274,4 +274,10 @@ bool view_has_mark(struct sway_view *view, char *mark);
 
 void view_update_marks_textures(struct sway_view *view);
 
+/**
+ * Returns true if there's a possibility the view may be rendered on screen.
+ * Intended for damage tracking.
+ */
+bool view_is_visible(struct sway_view *view);
+
 #endif
diff --git a/include/swaylock/swaylock.h b/include/swaylock/swaylock.h
index 56ec0afb..27db67cd 100644
--- a/include/swaylock/swaylock.h
+++ b/include/swaylock/swaylock.h
@@ -10,13 +10,13 @@
 #include "wlr-layer-shell-unstable-v1-client-protocol.h"
 
 enum auth_state {
-    AUTH_STATE_IDLE,
-    AUTH_STATE_CLEAR,
-    AUTH_STATE_INPUT,
-    AUTH_STATE_INPUT_NOP,
-    AUTH_STATE_BACKSPACE,
-    AUTH_STATE_VALIDATING,
-    AUTH_STATE_INVALID,
+	AUTH_STATE_IDLE,
+	AUTH_STATE_CLEAR,
+	AUTH_STATE_INPUT,
+	AUTH_STATE_INPUT_NOP,
+	AUTH_STATE_BACKSPACE,
+	AUTH_STATE_VALIDATING,
+	AUTH_STATE_INVALID,
 };
 
 struct swaylock_args {
@@ -37,12 +37,14 @@ struct swaylock_state {
 	struct zwlr_input_inhibit_manager_v1 *input_inhibit_manager;
 	struct wl_shm *shm;
 	struct wl_list surfaces;
+	struct wl_list images;
 	struct swaylock_args args;
 	cairo_surface_t *background_image;
 	struct swaylock_password password;
 	struct swaylock_xkb xkb;
 	enum auth_state auth_state;
 	bool run_display;
+	struct zxdg_output_manager_v1 *zxdg_output_manager;
 };
 
 struct swaylock_surface {
@@ -50,12 +52,22 @@ struct swaylock_surface {
 	struct swaylock_state *state;
 	struct wl_output *output;
 	uint32_t output_global_name;
+	struct zxdg_output_v1 *xdg_output;
 	struct wl_surface *surface;
 	struct zwlr_layer_surface_v1 *layer_surface;
 	struct pool_buffer buffers[2];
 	struct pool_buffer *current_buffer;
 	uint32_t width, height;
 	int32_t scale;
+	char *output_name;
+	struct wl_list link;
+};
+
+// There is exactly one swaylock_image for each -i argument
+struct swaylock_image {
+	char *path;
+	char *output_name;
+	cairo_surface_t *cairo_surface;
 	struct wl_list link;
 };
 
diff --git a/meson.build b/meson.build
index b943236f..d4ee1a11 100644
--- a/meson.build
+++ b/meson.build
@@ -29,7 +29,7 @@ wayland_server = dependency('wayland-server')
 wayland_client = dependency('wayland-client')
 wayland_cursor = dependency('wayland-cursor')
 wayland_egl    = dependency('wayland-egl')
-wayland_protos = dependency('wayland-protocols')
+wayland_protos = dependency('wayland-protocols', version: '>=1.14')
 xkbcommon      = dependency('xkbcommon')
 cairo          = dependency('cairo')
 pango          = dependency('pango')
diff --git a/protocols/meson.build b/protocols/meson.build
index 9966c02f..a031245c 100644
--- a/protocols/meson.build
+++ b/protocols/meson.build
@@ -29,16 +29,18 @@ wayland_scanner_server = generator(
 
 client_protocols = [
 	[wl_protocol_dir, 'stable/xdg-shell/xdg-shell.xml'],
+	[wl_protocol_dir, 'unstable/xdg-output/xdg-output-unstable-v1.xml'],
 	['wlr-layer-shell-unstable-v1.xml'],
 	['idle.xml'],
-	['wlr-input-inhibitor-unstable-v1.xml']
+	['wlr-input-inhibitor-unstable-v1.xml'],
 ]
 
 server_protocols = [
 	[wl_protocol_dir, 'stable/xdg-shell/xdg-shell.xml'],
 	[wl_protocol_dir, 'unstable/xdg-shell/xdg-shell-unstable-v6.xml'],
+	[wl_protocol_dir, 'unstable/xdg-output/xdg-output-unstable-v1.xml'],
 	['wlr-layer-shell-unstable-v1.xml'],
-	['wlr-input-inhibitor-unstable-v1.xml']
+	['wlr-input-inhibitor-unstable-v1.xml'],
 ]
 
 client_protos_src = []
diff --git a/sway/commands/border.c b/sway/commands/border.c
index 1eb06a21..4ba361da 100644
--- a/sway/commands/border.c
+++ b/sway/commands/border.c
@@ -41,7 +41,7 @@ struct cmd_results *cmd_border(int argc, char **argv) {
 
 	struct sway_seat *seat = input_manager_current_seat(input_manager);
 	if (seat->cursor) {
-		cursor_send_pointer_motion(seat->cursor, 0);
+		cursor_send_pointer_motion(seat->cursor, 0, false);
 	}
 
 	return cmd_results_new(CMD_SUCCESS, NULL, NULL);
diff --git a/sway/commands/layout.c b/sway/commands/layout.c
index bb36bb18..58728f16 100644
--- a/sway/commands/layout.c
+++ b/sway/commands/layout.c
@@ -39,6 +39,10 @@ struct cmd_results *cmd_layout(int argc, char **argv) {
 			parent->layout = L_HORIZ;
 		} else if (strcasecmp(argv[0], "splitv") == 0) {
 			parent->layout = L_VERT;
+		} else if (strcasecmp(argv[0], "tabbed") == 0) {
+			parent->layout = L_TABBED;
+		} else if (strcasecmp(argv[0], "stacking") == 0) {
+			parent->layout = L_STACKED;
 		} else if (strcasecmp(argv[0], "toggle") == 0 && argc == 2 && strcasecmp(argv[1], "split") == 0) {
 			if (parent->layout == L_HORIZ) {
 				parent->layout = L_VERT;
diff --git a/sway/commands/seat/cursor.c b/sway/commands/seat/cursor.c
index 929384b0..4d0a22c7 100644
--- a/sway/commands/seat/cursor.c
+++ b/sway/commands/seat/cursor.c
@@ -36,7 +36,7 @@ struct cmd_results *seat_cmd_cursor(int argc, char **argv) {
 		int delta_x = strtol(argv[1], NULL, 10);
 		int delta_y = strtol(argv[2], NULL, 10);
 		wlr_cursor_move(cursor->cursor, NULL, delta_x, delta_y);
-		cursor_send_pointer_motion(cursor, 0);
+		cursor_send_pointer_motion(cursor, 0, true);
 	} else if (strcasecmp(argv[0], "set") == 0) {
 		if (argc < 3) {
 			return cmd_results_new(CMD_INVALID, "cursor", expected_syntax);
@@ -45,7 +45,7 @@ struct cmd_results *seat_cmd_cursor(int argc, char **argv) {
 		float x = strtof(argv[1], NULL) / root_container.width;
 		float y = strtof(argv[2], NULL) / root_container.height;
 		wlr_cursor_warp_absolute(cursor->cursor, NULL, x, y);
-		cursor_send_pointer_motion(cursor, 0);
+		cursor_send_pointer_motion(cursor, 0, true);
 	} else {
 		if (argc < 2) {
 			return cmd_results_new(CMD_INVALID, "cursor", expected_syntax);
diff --git a/sway/desktop/output.c b/sway/desktop/output.c
index 94562052..765647fd 100644
--- a/sway/desktop/output.c
+++ b/sway/desktop/output.c
@@ -269,17 +269,6 @@ static void render_unmanaged(struct sway_output *output,
 		render_surface_iterator, &data);
 }
 
-static void render_view(struct sway_view *view, struct sway_output *output,
-		pixman_region32_t *damage) {
-	struct render_data data = {
-		.output = output,
-		.damage = damage,
-		.alpha = view->swayc->alpha,
-	};
-	output_view_for_each_surface(
-			view, &data.root_geo, render_surface_iterator, &data);
-}
-
 static void render_rect(struct wlr_output *wlr_output,
 		pixman_region32_t *output_damage, const struct wlr_box *_box,
 		float color[static 4]) {
@@ -310,93 +299,149 @@ damage_finish:
 	pixman_region32_fini(&damage);
 }
 
+static void premultiply_alpha(float color[4], float opacity) {
+	color[3] *= opacity;
+	color[0] *= color[3];
+	color[1] *= color[3];
+	color[2] *= color[3];
+}
+
+static void render_view_surfaces(struct sway_view *view,
+		struct sway_output *output, pixman_region32_t *damage) {
+	struct render_data data = {
+		.output = output,
+		.damage = damage,
+		.alpha = view->swayc->alpha,
+	};
+	output_view_for_each_surface(
+			view, &data.root_geo, render_surface_iterator, &data);
+}
+
 /**
- * Render decorations for a view with "border normal".
- *
- * Care must be taken not to render over the same pixel multiple times,
- * otherwise the colors will be incorrect when using opacity.
+ * Render a view's surface and left/bottom/right borders.
  */
-static void render_container_simple_border_normal(struct sway_output *output,
-		pixman_region32_t *output_damage,
-		struct sway_container *con, struct border_colors *colors,
-		struct wlr_texture *title_texture, struct wlr_texture *marks_texture) {
-	struct wlr_box box;
-	float color[4];
+static void render_view(struct sway_output *output, pixman_region32_t *damage,
+		struct sway_container *con, struct border_colors *colors) {
 	struct sway_view *view = con->sway_view;
-	float output_scale = output->wlr_output->scale;
+	render_view_surfaces(view, output, damage);
 
-	if (view->border_left) {
-		// Child border - left edge
-		memcpy(&color, colors->child_border, sizeof(float) * 4);
-		color[3] *= con->alpha;
-		box.x = con->x;
-		box.y = con->y + 1;
-		box.width = view->border_thickness;
-		box.height = con->height - 1
-			- view->border_thickness * view->border_bottom;
-		scale_box(&box, output_scale);
-		render_rect(output->wlr_output, output_damage, &box, color);
-	}
+	struct wlr_box box;
+	float output_scale = output->wlr_output->scale;
+	float color[4];
 
-	if (view->border_right) {
-		// Child border - right edge
-		if (con->parent->children->length == 1
-				&& con->parent->layout == L_HORIZ) {
-			memcpy(&color, colors->indicator, sizeof(float) * 4);
-		} else {
+	if (view->border != B_NONE) {
+		if (view->border_left) {
 			memcpy(&color, colors->child_border, sizeof(float) * 4);
+			premultiply_alpha(color, con->alpha);
+			box.x = con->x;
+			box.y = view->y;
+			box.width = view->border_thickness;
+			box.height = view->height;
+			scale_box(&box, output_scale);
+			render_rect(output->wlr_output, damage, &box, color);
 		}
-		color[3] *= con->alpha;
-		box.x = con->x + con->width - view->border_thickness;
-		box.y = con->y + 1;
-		box.width = view->border_thickness;
-		box.height = con->height - 1
-			- view->border_thickness * view->border_bottom;
-		scale_box(&box, output_scale);
-		render_rect(output->wlr_output, output_damage, &box, color);
-	}
 
-	if (view->border_bottom) {
-		// Child border - bottom edge
-		if (con->parent->children->length == 1
-				&& con->parent->layout == L_VERT) {
-			memcpy(&color, colors->indicator, sizeof(float) * 4);
-		} else {
-			memcpy(&color, colors->child_border, sizeof(float) * 4);
+		if (view->border_right) {
+			if (con->parent->children->length == 1
+					&& con->parent->layout == L_HORIZ) {
+				memcpy(&color, colors->indicator, sizeof(float) * 4);
+			} else {
+				memcpy(&color, colors->child_border, sizeof(float) * 4);
+			}
+			premultiply_alpha(color, con->alpha);
+			box.x = view->x + view->width;
+			box.y = view->y;
+			box.width = view->border_thickness;
+			box.height = view->height;
+			scale_box(&box, output_scale);
+			render_rect(output->wlr_output, damage, &box, color);
+		}
+
+		if (view->border_bottom) {
+			if (con->parent->children->length == 1
+					&& con->parent->layout == L_VERT) {
+				memcpy(&color, colors->indicator, sizeof(float) * 4);
+			} else {
+				memcpy(&color, colors->child_border, sizeof(float) * 4);
+			}
+			premultiply_alpha(color, con->alpha);
+			box.x = con->x;
+			box.y = view->y + view->height;
+			box.width = con->width;
+			box.height = view->border_thickness;
+			scale_box(&box, output_scale);
+			render_rect(output->wlr_output, damage, &box, color);
 		}
-		color[3] *= con->alpha;
-		box.x = con->x;
-		box.y = con->y + con->height - view->border_thickness;
-		box.width = con->width;
-		box.height = view->border_thickness;
-		scale_box(&box, output_scale);
-		render_rect(output->wlr_output, output_damage, &box, color);
 	}
+}
+
+/**
+ * Render a titlebar.
+ *
+ * Care must be taken not to render over the same pixel multiple times,
+ * otherwise the colors will be incorrect when using opacity.
+ *
+ * The height is: 1px border, 3px padding, font height, 3px padding, 1px border
+ * The left side for L_TABBED is: 1px border, 2px padding, title
+ * The left side for other layouts is: 3px padding, title
+ */
+static void render_titlebar(struct sway_output *output,
+		pixman_region32_t *output_damage, struct sway_container *con,
+		int x, int y, int width,
+		struct border_colors *colors, struct wlr_texture *title_texture,
+		struct wlr_texture *marks_texture) {
+	struct wlr_box box;
+	float color[4];
+	struct sway_view *view = con->type == C_VIEW ? con->sway_view : NULL;
+	float output_scale = output->wlr_output->scale;
+	enum sway_container_layout layout = con->parent->layout;
+	bool is_last_child =
+		con->parent->children->items[con->parent->children->length - 1] == con;
 
 	// Single pixel bar above title
 	memcpy(&color, colors->border, sizeof(float) * 4);
-	color[3] *= con->alpha;
-	box.x = con->x;
-	box.y = con->y;
-	box.width = con->width;
-	box.height = 1;
+	premultiply_alpha(color, con->alpha);
+	box.x = x;
+	box.y = y;
+	box.width = width;
+	box.height = TITLEBAR_BORDER_THICKNESS;
 	scale_box(&box, output_scale);
 	render_rect(output->wlr_output, output_damage, &box, color);
 
 	// Single pixel bar below title
-	memcpy(&color, colors->border, sizeof(float) * 4);
-	color[3] *= con->alpha;
-	box.x = con->x + view->border_thickness;
-	box.y = view->y - 1;
-	box.width = con->width - view->border_thickness * 2;
-	box.height = 1;
+	size_t left_offset = 0, right_offset = 0;
+	bool connects_sides = false;
+	if (layout == L_HORIZ || layout == L_VERT ||
+			(layout == L_STACKED && is_last_child)) {
+		if (view) {
+			left_offset = view->border_left * view->border_thickness;
+			right_offset = view->border_right * view->border_thickness;
+			connects_sides = true;
+		}
+	}
+	box.x = x + left_offset;
+	box.y = y + container_titlebar_height() - TITLEBAR_BORDER_THICKNESS;
+	box.width = width - left_offset - right_offset;
+	box.height = TITLEBAR_BORDER_THICKNESS;
 	scale_box(&box, output_scale);
 	render_rect(output->wlr_output, output_damage, &box, color);
 
-	// Setting these makes marks and title easier
-	size_t inner_x = con->x + view->border_thickness * view->border_left;
-	size_t inner_width = con->width - view->border_thickness * view->border_left
-		- view->border_thickness * view->border_right;
+	if (layout == L_TABBED) {
+		// Single pixel left edge
+		box.x = x;
+		box.y = y + TITLEBAR_BORDER_THICKNESS;
+		box.width = TITLEBAR_BORDER_THICKNESS;
+		box.height =
+			container_titlebar_height() - TITLEBAR_BORDER_THICKNESS * 2;
+		scale_box(&box, output_scale);
+		render_rect(output->wlr_output, output_damage, &box, color);
+
+		// Single pixel right edge
+		box.x = (x + width - TITLEBAR_BORDER_THICKNESS) * output_scale;
+		render_rect(output->wlr_output, output_damage, &box, color);
+	}
+
+	size_t inner_width = width - TITLEBAR_H_PADDING * 2;
 
 	// Marks
 	size_t marks_width = 0;
@@ -404,14 +449,18 @@ static void render_container_simple_border_normal(struct sway_output *output,
 		struct wlr_box texture_box;
 		wlr_texture_get_size(marks_texture,
 			&texture_box.width, &texture_box.height);
-		texture_box.x = (inner_x + inner_width) * output_scale - texture_box.width;
-		texture_box.y = (con->y + view->border_thickness) * output_scale;
+		texture_box.x =
+			(x + width - TITLEBAR_H_PADDING) * output_scale - texture_box.width;
+		texture_box.y = (y + TITLEBAR_V_PADDING) * output_scale;
 
 		float matrix[9];
 		wlr_matrix_project_box(matrix, &texture_box,
 			WL_OUTPUT_TRANSFORM_NORMAL,
 			0.0, output->wlr_output->transform_matrix);
 
+		if (inner_width * output_scale < texture_box.width) {
+			texture_box.width = inner_width * output_scale;
+		}
 		render_texture(output->wlr_output, output_damage, marks_texture,
 			&texture_box, matrix, con->alpha);
 		marks_width = texture_box.width;
@@ -423,8 +472,8 @@ static void render_container_simple_border_normal(struct sway_output *output,
 		struct wlr_box texture_box;
 		wlr_texture_get_size(title_texture,
 			&texture_box.width, &texture_box.height);
-		texture_box.x = inner_x * output_scale;
-		texture_box.y = (con->y + view->border_thickness) * output_scale;
+		texture_box.x = (x + TITLEBAR_H_PADDING) * output_scale;
+		texture_box.y = (y + TITLEBAR_V_PADDING) * output_scale;
 
 		float matrix[9];
 		wlr_matrix_project_box(matrix, &texture_box,
@@ -439,104 +488,89 @@ static void render_container_simple_border_normal(struct sway_output *output,
 		title_width = texture_box.width;
 	}
 
-	// Title background - above the text
+	// Padding above title
 	memcpy(&color, colors->background, sizeof(float) * 4);
-	color[3] *= con->alpha;
-	box.x = inner_x;
-	box.y = con->y + 1;
-	box.width = inner_width;
-	box.height = view->border_thickness - 1;
+	premultiply_alpha(color, con->alpha);
+	box.x = x + (layout == L_TABBED) * TITLEBAR_BORDER_THICKNESS;
+	box.y = y + TITLEBAR_BORDER_THICKNESS;
+	box.width = width - (layout == L_TABBED) * TITLEBAR_BORDER_THICKNESS * 2;
+	box.height = TITLEBAR_V_PADDING - TITLEBAR_BORDER_THICKNESS;
 	scale_box(&box, output_scale);
 	render_rect(output->wlr_output, output_damage, &box, color);
 
-	// Title background - below the text
-	box.y = (con->y + view->border_thickness + config->font_height)
-		* output_scale;
+	// Padding below title
+	box.y = (y + TITLEBAR_V_PADDING + config->font_height) * output_scale;
 	render_rect(output->wlr_output, output_damage, &box, color);
 
-	// Title background - filler between title and marks
+	// Filler between title and marks
 	box.width = inner_width * output_scale - title_width - marks_width;
 	if (box.width > 0) {
-		box.x = inner_x * output_scale + title_width;
-		box.y = (con->y + view->border_thickness) * output_scale;
+		box.x = (x + TITLEBAR_H_PADDING) * output_scale + title_width;
+		box.y = (y + TITLEBAR_V_PADDING) * output_scale;
 		box.height = config->font_height * output_scale;
 		render_rect(output->wlr_output, output_damage, &box, color);
 	}
-}
 
-/**
- * Render decorations for a view with "border pixel".
- *
- * Care must be taken not to render over the same pixel multiple times,
- * otherwise the colors will be incorrect when using opacity.
- */
-static void render_container_simple_border_pixel(struct sway_output *output,
-		pixman_region32_t *output_damage, struct sway_container *con,
-		struct border_colors *colors) {
-	struct wlr_box box;
-	float color[4];
-	struct sway_view *view = con->sway_view;
-	float output_scale = output->wlr_output->scale;
+	// Padding left of title
+	left_offset = (layout == L_TABBED) * TITLEBAR_BORDER_THICKNESS;
+	box.x = x + left_offset;
+	box.y = y + TITLEBAR_V_PADDING;
+	box.width = TITLEBAR_H_PADDING - left_offset;
+	box.height = config->font_height;
+	scale_box(&box, output_scale);
+	render_rect(output->wlr_output, output_damage, &box, color);
 
-	if (view->border_left) {
-		// Child border - left edge
-		memcpy(&color, colors->child_border, sizeof(float) * 4);
-		color[3] *= con->alpha;
-		box.x = con->x;
-		box.y = con->y + view->border_thickness * view->border_top;
-		box.width = view->border_thickness;
-		box.height = con->height - view->border_thickness
-			* (view->border_top + view->border_bottom);
-		scale_box(&box, output_scale);
-		render_rect(output->wlr_output, output_damage, &box, color);
-	}
+	// Padding right of marks
+	right_offset = (layout == L_TABBED) * TITLEBAR_BORDER_THICKNESS;
+	box.x = x + width - TITLEBAR_H_PADDING;
+	box.y = y + TITLEBAR_V_PADDING;
+	box.width = TITLEBAR_H_PADDING - right_offset;
+	box.height = config->font_height;
+	scale_box(&box, output_scale);
+	render_rect(output->wlr_output, output_damage, &box, color);
 
-	if (view->border_right) {
-		// Child border - right edge
-		if (con->parent->children->length == 1
-				&& con->parent->layout == L_HORIZ) {
-			memcpy(&color, colors->indicator, sizeof(float) * 4);
-		} else {
-			memcpy(&color, colors->child_border, sizeof(float) * 4);
-		}
-		color[3] *= con->alpha;
-		box.x = con->x + con->width - view->border_thickness;
-		box.y = con->y + view->border_thickness * view->border_top;
-		box.width = view->border_thickness;
-		box.height = con->height - view->border_thickness
-			* (view->border_top + view->border_bottom);
+	if (connects_sides) {
+		// Left pixel in line with bottom bar
+		box.x = x;
+		box.y = y + container_titlebar_height() - TITLEBAR_BORDER_THICKNESS;
+		box.width = view->border_thickness * view->border_left;
+		box.height = TITLEBAR_BORDER_THICKNESS;
 		scale_box(&box, output_scale);
 		render_rect(output->wlr_output, output_damage, &box, color);
-	}
 
-	if (view->border_top) {
-		// Child border - top edge
-		memcpy(&color, colors->child_border, sizeof(float) * 4);
-		color[3] *= con->alpha;
-		box.x = con->x;
-		box.y = con->y;
-		box.width = con->width;
-		box.height = view->border_thickness;
+		// Right pixel in line with bottom bar
+		box.x = x + width - view->border_thickness * view->border_right;
+		box.y = y + container_titlebar_height() - TITLEBAR_BORDER_THICKNESS;
+		box.width = view->border_thickness * view->border_right;
+		box.height = TITLEBAR_BORDER_THICKNESS;
 		scale_box(&box, output_scale);
 		render_rect(output->wlr_output, output_damage, &box, color);
 	}
+}
 
-	if (view->border_bottom) {
-		// Child border - bottom edge
-		if (con->parent->children->length == 1
-				&& con->parent->layout == L_VERT) {
-			memcpy(&color, colors->indicator, sizeof(float) * 4);
-		} else {
-			memcpy(&color, colors->child_border, sizeof(float) * 4);
-		}
-		color[3] *= con->alpha;
-		box.x = con->x;
-		box.y = con->y + con->height - view->border_thickness;
-		box.width = con->width;
-		box.height = view->border_thickness;
-		scale_box(&box, output_scale);
-		render_rect(output->wlr_output, output_damage, &box, color);
+/**
+ * Render the top border line for a view using "border pixel".
+ */
+static void render_top_border(struct sway_output *output,
+		pixman_region32_t *output_damage, struct sway_container *con,
+		struct border_colors *colors) {
+	struct sway_view *view = con->sway_view;
+	if (!view->border_top) {
+		return;
 	}
+	struct wlr_box box;
+	float color[4];
+	float output_scale = output->wlr_output->scale;
+
+	// Child border - top edge
+	memcpy(&color, colors->child_border, sizeof(float) * 4);
+	premultiply_alpha(color, con->alpha);
+	box.x = con->x;
+	box.y = con->y;
+	box.width = con->width;
+	box.height = view->border_thickness;
+	scale_box(&box, output_scale);
+	render_rect(output->wlr_output, output_damage, &box, color);
 }
 
 static void render_container(struct sway_output *output,
@@ -558,33 +592,30 @@ static void render_container_simple(struct sway_output *output,
 		struct sway_container *child = con->children->items[i];
 
 		if (child->type == C_VIEW) {
-			if (child->sway_view->border != B_NONE) {
-				struct border_colors *colors;
-				struct wlr_texture *title_texture;
-				struct wlr_texture *marks_texture;
-				if (focus == child || parent_focused) {
-					colors = &config->border_colors.focused;
-					title_texture = child->title_focused;
-					marks_texture = child->sway_view->marks_focused;
-				} else if (seat_get_focus_inactive(seat, con) == child) {
-					colors = &config->border_colors.focused_inactive;
-					title_texture = child->title_focused_inactive;
-					marks_texture = child->sway_view->marks_focused_inactive;
-				} else {
-					colors = &config->border_colors.unfocused;
-					title_texture = child->title_unfocused;
-					marks_texture = child->sway_view->marks_unfocused;
-				}
-
-				if (child->sway_view->border == B_NORMAL) {
-					render_container_simple_border_normal(output, damage,
-						child, colors, title_texture, marks_texture);
-				} else {
-					render_container_simple_border_pixel(output, damage, child,
-						colors);
-				}
+			struct border_colors *colors;
+			struct wlr_texture *title_texture;
+			struct wlr_texture *marks_texture;
+			if (focus == child || parent_focused) {
+				colors = &config->border_colors.focused;
+				title_texture = child->title_focused;
+				marks_texture = child->sway_view->marks_focused;
+			} else if (seat_get_focus_inactive(seat, con) == child) {
+				colors = &config->border_colors.focused_inactive;
+				title_texture = child->title_focused_inactive;
+				marks_texture = child->sway_view->marks_focused_inactive;
+			} else {
+				colors = &config->border_colors.unfocused;
+				title_texture = child->title_unfocused;
+				marks_texture = child->sway_view->marks_unfocused;
+			}
+
+			if (child->sway_view->border == B_NORMAL) {
+				render_titlebar(output, damage, child, child->x, child->y,
+						child->width, colors, title_texture, marks_texture);
+			} else {
+				render_top_border(output, damage, child, colors);
 			}
-			render_view(child->sway_view, output, damage);
+			render_view(output, damage, child, colors);
 		} else {
 			render_container(output, damage, child,
 					parent_focused || focus == child);
@@ -596,16 +627,116 @@ static void render_container_simple(struct sway_output *output,
  * Render a container's children using the L_TABBED layout.
  */
 static void render_container_tabbed(struct sway_output *output,
-		pixman_region32_t *damage, struct sway_container *con) {
-	// TODO
+		pixman_region32_t *damage, struct sway_container *con,
+		bool parent_focused) {
+	if (!con->children->length) {
+		return;
+	}
+	struct sway_seat *seat = input_manager_current_seat(input_manager);
+	struct sway_container *focus = seat_get_focus(seat);
+	struct sway_container *current = seat_get_active_child(seat, con);
+	struct border_colors *current_colors = NULL;
+
+	// Render tabs
+	for (int i = 0; i < con->children->length; ++i) {
+		struct sway_container *child = con->children->items[i];
+		struct border_colors *colors;
+		struct wlr_texture *title_texture;
+		struct wlr_texture *marks_texture;
+		struct sway_view *view =
+			child->type == C_VIEW ? child->sway_view : NULL;
+
+		if (focus == child || parent_focused) {
+			colors = &config->border_colors.focused;
+			title_texture = child->title_focused;
+			marks_texture = view ? view->marks_focused : NULL;
+		} else if (child == current) {
+			colors = &config->border_colors.focused_inactive;
+			title_texture = child->title_focused_inactive;
+			marks_texture = view ? view->marks_focused : NULL;
+		} else {
+			colors = &config->border_colors.unfocused;
+			title_texture = child->title_unfocused;
+			marks_texture = view ? view->marks_unfocused : NULL;
+		}
+
+		int tab_width = con->width / con->children->length;
+		int x = con->x + tab_width * i;
+		// Make last tab use the remaining width of the parent
+		if (i == con->children->length - 1) {
+			tab_width = con->width - tab_width * i;
+		}
+
+		render_titlebar(output, damage, child, x, child->y, tab_width, colors,
+				title_texture, marks_texture);
+
+		if (child == current) {
+			current_colors = colors;
+		}
+	}
+
+	// Render surface and left/right/bottom borders
+	if (current->type == C_VIEW) {
+		render_view(output, damage, current, current_colors);
+	} else {
+		render_container(output, damage, current,
+				parent_focused || current == focus);
+	}
 }
 
 /**
  * Render a container's children using the L_STACKED layout.
  */
 static void render_container_stacked(struct sway_output *output,
-		pixman_region32_t *damage, struct sway_container *con) {
-	// TODO
+		pixman_region32_t *damage, struct sway_container *con,
+		bool parent_focused) {
+	if (!con->children->length) {
+		return;
+	}
+	struct sway_seat *seat = input_manager_current_seat(input_manager);
+	struct sway_container *focus = seat_get_focus(seat);
+	struct sway_container *current = seat_get_active_child(seat, con);
+	struct border_colors *current_colors = NULL;
+
+	// Render titles
+	for (int i = 0; i < con->children->length; ++i) {
+		struct sway_container *child = con->children->items[i];
+		struct border_colors *colors;
+		struct wlr_texture *title_texture;
+		struct wlr_texture *marks_texture;
+		struct sway_view *view =
+			child->type == C_VIEW ? child->sway_view : NULL;
+
+		if (focus == child || parent_focused) {
+			colors = &config->border_colors.focused;
+			title_texture = child->title_focused;
+			marks_texture = view ? view->marks_focused : NULL;
+		} else if (child == current) {
+			colors = &config->border_colors.focused_inactive;
+			title_texture = child->title_focused_inactive;
+			marks_texture = view ? view->marks_focused_inactive : NULL;
+		} else {
+			colors = &config->border_colors.unfocused;
+			title_texture = child->title_unfocused;
+			marks_texture = view ? view->marks_unfocused : NULL;
+		}
+
+		int y = con->y + container_titlebar_height() * i;
+		render_titlebar(output, damage, child, child->x, y, child->width,
+				colors, title_texture, marks_texture);
+
+		if (child == current) {
+			current_colors = colors;
+		}
+	}
+
+	// Render surface and left/right/bottom borders
+	if (current->type == C_VIEW) {
+		render_view(output, damage, current, current_colors);
+	} else {
+		render_container(output, damage, current,
+				parent_focused || current == focus);
+	}
 }
 
 static void render_container(struct sway_output *output,
@@ -618,10 +749,10 @@ static void render_container(struct sway_output *output,
 		render_container_simple(output, damage, con, parent_focused);
 		break;
 	case L_STACKED:
-		render_container_stacked(output, damage, con);
+		render_container_stacked(output, damage, con, parent_focused);
 		break;
 	case L_TABBED:
-		render_container_tabbed(output, damage, con);
+		render_container_tabbed(output, damage, con, parent_focused);
 		break;
 	case L_FLOATING:
 		// TODO
@@ -678,7 +809,8 @@ static void render_output(struct sway_output *output, struct timespec *when,
 		}
 
 		// TODO: handle views smaller than the output
-		render_view(workspace->sway_workspace->fullscreen, output, damage);
+		render_view_surfaces(
+				workspace->sway_workspace->fullscreen, output, damage);
 
 		if (workspace->sway_workspace->fullscreen->type == SWAY_VIEW_XWAYLAND) {
 			render_unmanaged(output, damage,
@@ -889,9 +1021,7 @@ static void output_damage_view(struct sway_output *output,
 		return;
 	}
 
-	struct sway_container *workspace = container_parent(view->swayc,
-			C_WORKSPACE);
-	if (workspace->sway_workspace->fullscreen && !view->is_fullscreen) {
+	if (!view_is_visible(view)) {
 		return;
 	}
 
diff --git a/sway/input/cursor.c b/sway/input/cursor.c
index 9259c475..9a0b4f01 100644
--- a/sway/input/cursor.c
+++ b/sway/input/cursor.c
@@ -108,7 +108,7 @@ static struct sway_container *container_at_coords(
 	}
 
 	struct sway_container *c;
-	if ((c = container_at(ws, x, y, surface, sx, sy))) {
+	if ((c = container_at(ws, ox, oy, surface, sx, sy))) {
 		return c;
 	}
 
@@ -135,7 +135,8 @@ static struct sway_container *container_at_coords(
 	return output->swayc;
 }
 
-void cursor_send_pointer_motion(struct sway_cursor *cursor, uint32_t time_msec) {
+void cursor_send_pointer_motion(struct sway_cursor *cursor, uint32_t time_msec,
+		bool allow_refocusing) {
 	if (time_msec == 0) {
 		time_msec = get_current_time_msec();
 	}
@@ -145,8 +146,24 @@ void cursor_send_pointer_motion(struct sway_cursor *cursor, uint32_t time_msec)
 	double sx, sy;
 	struct sway_container *c = container_at_coords(cursor->seat,
 			cursor->cursor->x, cursor->cursor->y, &surface, &sx, &sy);
-	if (c && config->focus_follows_mouse) {
-		seat_set_focus_warp(cursor->seat, c, false);
+	if (c && config->focus_follows_mouse && allow_refocusing) {
+		struct sway_container *focus = seat_get_focus(cursor->seat);
+		if (focus && c->type == C_WORKSPACE) {
+			// Only follow the mouse if it would move to a new output
+			// Otherwise we'll focus the workspace, which is probably wrong
+			if (focus->type != C_OUTPUT) {
+				focus = container_parent(focus, C_OUTPUT);
+			}
+			struct sway_container *output = c;
+			if (output->type != C_OUTPUT) {
+				output = container_parent(c, C_OUTPUT);
+			}
+			if (output != focus) {
+				seat_set_focus_warp(cursor->seat, c, false);
+			}
+		} else {
+			seat_set_focus_warp(cursor->seat, c, false);
+		}
 	}
 
 	// reset cursor if switching between clients
@@ -177,7 +194,7 @@ static void handle_cursor_motion(struct wl_listener *listener, void *data) {
 	struct wlr_event_pointer_motion *event = data;
 	wlr_cursor_move(cursor->cursor, event->device,
 		event->delta_x, event->delta_y);
-	cursor_send_pointer_motion(cursor, event->time_msec);
+	cursor_send_pointer_motion(cursor, event->time_msec, true);
 }
 
 static void handle_cursor_motion_absolute(
@@ -187,7 +204,7 @@ static void handle_cursor_motion_absolute(
 	wlr_idle_notify_activity(cursor->seat->input->server->idle, cursor->seat->wlr_seat);
 	struct wlr_event_pointer_motion_absolute *event = data;
 	wlr_cursor_warp_absolute(cursor->cursor, event->device, event->x, event->y);
-	cursor_send_pointer_motion(cursor, event->time_msec);
+	cursor_send_pointer_motion(cursor, event->time_msec, true);
 }
 
 void dispatch_cursor_button(struct sway_cursor *cursor,
@@ -357,7 +374,7 @@ static void handle_tool_axis(struct wl_listener *listener, void *data) {
 	}
 
 	wlr_cursor_warp_absolute(cursor->cursor, event->device, x, y);
-	cursor_send_pointer_motion(cursor, event->time_msec);
+	cursor_send_pointer_motion(cursor, event->time_msec, true);
 }
 
 static void handle_tool_tip(struct wl_listener *listener, void *data) {
diff --git a/sway/input/seat.c b/sway/input/seat.c
index 9ac3e6a8..7a3e928a 100644
--- a/sway/input/seat.c
+++ b/sway/input/seat.c
@@ -602,7 +602,7 @@ void seat_set_focus_warp(struct sway_seat *seat,
 						wlr_output, seat->cursor->cursor->x,
 						seat->cursor->cursor->y)) {
 					wlr_cursor_warp(seat->cursor->cursor, NULL, x, y);
-					cursor_send_pointer_motion(seat->cursor, 0);
+					cursor_send_pointer_motion(seat->cursor, 0, true);
 				}
 			}
 		}
@@ -613,7 +613,7 @@ void seat_set_focus_warp(struct sway_seat *seat,
 	}
 
 	if (last_workspace && last_workspace != new_workspace) {
-		cursor_send_pointer_motion(seat->cursor, 0);
+		cursor_send_pointer_motion(seat->cursor, 0, true);
 	}
 
 	seat->has_focus = (container != NULL);
@@ -718,6 +718,18 @@ struct sway_container *seat_get_focus_inactive(struct sway_seat *seat,
 	return seat_get_focus_by_type(seat, container, C_TYPES);
 }
 
+struct sway_container *seat_get_active_child(struct sway_seat *seat,
+		struct sway_container *container) {
+	struct sway_container *focus = seat_get_focus_inactive(seat, container);
+	if (!focus) {
+		return NULL;
+	}
+	while (focus->parent != container) {
+		focus = focus->parent;
+	}
+	return focus;
+}
+
 struct sway_container *sway_seat_get_focus(struct sway_seat *seat) {
 	if (!seat->has_focus) {
 		return NULL;
diff --git a/sway/ipc-server.c b/sway/ipc-server.c
index 8734e8f8..15ed6f80 100644
--- a/sway/ipc-server.c
+++ b/sway/ipc-server.c
@@ -22,6 +22,7 @@
 #include "sway/server.h"
 #include "sway/input/input-manager.h"
 #include "sway/input/seat.h"
+#include "sway/tree/view.h"
 #include "list.h"
 #include "log.h"
 
@@ -429,6 +430,16 @@ static void ipc_get_workspaces_callback(struct sway_container *workspace,
 			json_object_new_boolean(visible));
 }
 
+static void ipc_get_marks_callback(struct sway_container *con, void *data) {
+	json_object *marks = (json_object *)data;
+	if (con->type == C_VIEW && con->sway_view->marks) {
+		for (int i = 0; i < con->sway_view->marks->length; ++i) {
+			char *mark = (char *)con->sway_view->marks->items[i];
+			json_object_array_add(marks, json_object_new_string(mark));
+		}
+	}
+}
+
 void ipc_client_handle_command(struct ipc_client *client) {
 	if (!sway_assert(client != NULL, "client != NULL")) {
 		return;
@@ -569,6 +580,17 @@ void ipc_client_handle_command(struct ipc_client *client) {
 		goto exit_cleanup;
 	}
 
+	case IPC_GET_MARKS:
+	{
+		json_object *marks = json_object_new_array();
+		container_descendants(&root_container, C_VIEW, ipc_get_marks_callback,
+				marks);
+		const char *json_string = json_object_to_json_string(marks);
+		ipc_send_reply(client, json_string, (uint32_t)strlen(json_string));
+		json_object_put(marks);
+		goto exit_cleanup;
+	}
+
 	case IPC_GET_VERSION:
 	{
 		json_object *version = ipc_json_get_version();
diff --git a/sway/tree/arrange.c b/sway/tree/arrange.c
index 83bb20fb..37f4a066 100644
--- a/sway/tree/arrange.c
+++ b/sway/tree/arrange.c
@@ -86,6 +86,15 @@ static void apply_horiz_layout(struct sway_container *parent) {
 	if (!num_children) {
 		return;
 	}
+	size_t parent_offset = 0;
+	if (parent->parent->layout == L_TABBED) {
+		parent_offset = container_titlebar_height();
+	} else if (parent->parent->layout == L_STACKED) {
+		parent_offset =
+			container_titlebar_height() * parent->parent->children->length;
+	}
+	size_t parent_height = parent->height - parent_offset;
+
 	// Calculate total width of children
 	double total_width = 0;
 	for (size_t i = 0; i < num_children; ++i) {
@@ -111,9 +120,9 @@ static void apply_horiz_layout(struct sway_container *parent) {
 				"Calculating arrangement for %p:%d (will scale %f by %f)",
 				child, child->type, child->width, scale);
 		child->x = child_x;
-		child->y = parent->y;
+		child->y = parent->y + parent_offset;
 		child->width = floor(child->width * scale);
-		child->height = parent->height;
+		child->height = parent_height;
 		child_x += child->width;
 	}
 	// Make last child use remaining width of parent
@@ -125,24 +134,33 @@ static void apply_vert_layout(struct sway_container *parent) {
 	if (!num_children) {
 		return;
 	}
+	size_t parent_offset = 0;
+	if (parent->parent->layout == L_TABBED) {
+		parent_offset = container_titlebar_height();
+	} else if (parent->parent->layout == L_STACKED) {
+		parent_offset =
+			container_titlebar_height() * parent->parent->children->length;
+	}
+	size_t parent_height = parent->height - parent_offset;
+
 	// Calculate total height of children
 	double total_height = 0;
 	for (size_t i = 0; i < num_children; ++i) {
 		struct sway_container *child = parent->children->items[i];
 		if (child->height <= 0) {
 			if (num_children > 1) {
-				child->height = parent->height / (num_children - 1);
+				child->height = parent_height / (num_children - 1);
 			} else {
-				child->height = parent->height;
+				child->height = parent_height;
 			}
 		}
 		total_height += child->height;
 	}
-	double scale = parent->height / total_height;
+	double scale = parent_height / total_height;
 
 	// Resize
 	wlr_log(L_DEBUG, "Arranging %p vertically", parent);
-	double child_y = parent->y;
+	double child_y = parent->y + parent_offset;
 	struct sway_container *child;
 	for (size_t i = 0; i < num_children; ++i) {
 		child = parent->children->items[i];
@@ -156,7 +174,33 @@ static void apply_vert_layout(struct sway_container *parent) {
 		child_y += child->height;
 	}
 	// Make last child use remaining height of parent
-	child->height = parent->y + parent->height - child->y;
+	child->height = parent->y + parent_offset + parent_height - child->y;
+}
+
+static void apply_tabbed_layout(struct sway_container *parent) {
+	if (!parent->children->length) {
+		return;
+	}
+	for (int i = 0; i < parent->children->length; ++i) {
+		struct sway_container *child = parent->children->items[i];
+		child->x = parent->x;
+		child->y = parent->y;
+		child->width = parent->width;
+		child->height = parent->height;
+	}
+}
+
+static void apply_stacked_layout(struct sway_container *parent) {
+	if (!parent->children->length) {
+		return;
+	}
+	for (int i = 0; i < parent->children->length; ++i) {
+		struct sway_container *child = parent->children->items[i];
+		child->x = parent->x;
+		child->y = parent->y;
+		child->width = parent->width;
+		child->height = parent->height;
+	}
 }
 
 void arrange_children_of(struct sway_container *parent) {
@@ -189,6 +233,12 @@ void arrange_children_of(struct sway_container *parent) {
 	case L_VERT:
 		apply_vert_layout(parent);
 		break;
+	case L_TABBED:
+		apply_tabbed_layout(parent);
+		break;
+	case L_STACKED:
+		apply_stacked_layout(parent);
+		break;
 	default:
 		wlr_log(L_DEBUG, "TODO: arrange layout type %d", parent->layout);
 		apply_horiz_layout(parent);
diff --git a/sway/tree/container.c b/sway/tree/container.c
index e47338e7..9cf18f61 100644
--- a/sway/tree/container.c
+++ b/sway/tree/container.c
@@ -73,6 +73,44 @@ static void container_close_notify(struct sway_container *container) {
 	}
 }
 
+static void container_update_textures_recursive(struct sway_container *con) {
+	container_update_title_textures(con);
+
+	if (con->type == C_VIEW) {
+		view_update_marks_textures(con->sway_view);
+	} else {
+		for (int i = 0; i < con->children->length; ++i) {
+			struct sway_container *child = con->children->items[i];
+			container_update_textures_recursive(child);
+		}
+	}
+}
+
+static void handle_reparent(struct wl_listener *listener,
+		void *data) {
+	struct sway_container *container =
+		wl_container_of(listener, container, reparent);
+	struct sway_container *old_parent = data;
+
+	struct sway_container *old_output = old_parent;
+	if (old_output != NULL && old_output->type != C_OUTPUT) {
+		old_output = container_parent(old_output, C_OUTPUT);
+	}
+
+	struct sway_container *new_output = container->parent;
+	if (new_output != NULL && new_output->type != C_OUTPUT) {
+		new_output = container_parent(new_output, C_OUTPUT);
+	}
+
+	if (old_output && new_output) {
+		float old_scale = old_output->sway_output->wlr_output->scale;
+		float new_scale = new_output->sway_output->wlr_output->scale;
+		if (old_scale != new_scale) {
+			container_update_textures_recursive(container);
+		}
+	}
+}
+
 struct sway_container *container_create(enum sway_container_type type) {
 	// next id starts at 1 because 0 is assigned to root_container in layout.c
 	static size_t next_id = 1;
@@ -92,6 +130,9 @@ struct sway_container *container_create(enum sway_container_type type) {
 	wl_signal_init(&c->events.destroy);
 	wl_signal_init(&c->events.reparent);
 
+	wl_signal_add(&c->events.reparent, &c->reparent);
+	c->reparent.notify = handle_reparent;
+
 	return c;
 }
 
@@ -411,80 +452,154 @@ struct sway_container *container_parent(struct sway_container *container,
 	return container;
 }
 
-struct sway_container *container_at(struct sway_container *parent,
-		double lx, double ly,
+static struct sway_container *container_at_view(struct sway_container *swayc,
+		double ox, double oy,
 		struct wlr_surface **surface, double *sx, double *sy) {
-	list_t *queue = get_bfs_queue();
-	if (!queue) {
+	if (!sway_assert(swayc->type == C_VIEW, "Expected a view")) {
 		return NULL;
 	}
+	struct sway_view *sview = swayc->sway_view;
+	double view_sx = ox - sview->x;
+	double view_sy = oy - sview->y;
 
-	list_add(queue, parent);
+	double _sx, _sy;
+	struct wlr_surface *_surface = NULL;
+	switch (sview->type) {
+	case SWAY_VIEW_XWAYLAND:
+		_surface = wlr_surface_surface_at(sview->surface,
+				view_sx, view_sy, &_sx, &_sy);
+		break;
+	case SWAY_VIEW_XDG_SHELL_V6:
+		// the top left corner of the sway container is the
+		// coordinate of the top left corner of the window geometry
+		view_sx += sview->wlr_xdg_surface_v6->geometry.x;
+		view_sy += sview->wlr_xdg_surface_v6->geometry.y;
+
+		_surface = wlr_xdg_surface_v6_surface_at(
+				sview->wlr_xdg_surface_v6,
+				view_sx, view_sy, &_sx, &_sy);
+		break;
+	case SWAY_VIEW_XDG_SHELL:
+		// the top left corner of the sway container is the
+		// coordinate of the top left corner of the window geometry
+		view_sx += sview->wlr_xdg_surface->geometry.x;
+		view_sy += sview->wlr_xdg_surface->geometry.y;
+
+		_surface = wlr_xdg_surface_surface_at(
+				sview->wlr_xdg_surface,
+				view_sx, view_sy, &_sx, &_sy);
+		break;
+	}
+	if (_surface) {
+		*sx = _sx;
+		*sy = _sy;
+		*surface = _surface;
+	}
+	return swayc;
+}
 
-	struct sway_container *swayc = NULL;
-	while (queue->length) {
-		swayc = queue->items[0];
-		list_del(queue, 0);
-		if (swayc->type == C_VIEW) {
-			struct sway_view *sview = swayc->sway_view;
-			struct sway_container *soutput = container_parent(swayc, C_OUTPUT);
-			struct wlr_box *output_box =
-				wlr_output_layout_get_box(
-					root_container.sway_root->output_layout,
-					soutput->sway_output->wlr_output);
-			double ox = lx - output_box->x;
-			double oy = ly - output_box->y;
-			double view_sx = ox - sview->x;
-			double view_sy = oy - sview->y;
-
-			double _sx, _sy;
-			struct wlr_surface *_surface;
-			switch (sview->type) {
-			case SWAY_VIEW_XWAYLAND:
-				_surface = wlr_surface_surface_at(sview->surface,
-					view_sx, view_sy, &_sx, &_sy);
-				break;
-			case SWAY_VIEW_XDG_SHELL_V6:
-				// the top left corner of the sway container is the
-				// coordinate of the top left corner of the window geometry
-				view_sx += sview->wlr_xdg_surface_v6->geometry.x;
-				view_sy += sview->wlr_xdg_surface_v6->geometry.y;
-
-				_surface = wlr_xdg_surface_v6_surface_at(
-					sview->wlr_xdg_surface_v6,
-					view_sx, view_sy, &_sx, &_sy);
-				break;
-			case SWAY_VIEW_XDG_SHELL:
-				// the top left corner of the sway container is the
-				// coordinate of the top left corner of the window geometry
-				view_sx += sview->wlr_xdg_surface->geometry.x;
-				view_sy += sview->wlr_xdg_surface->geometry.y;
-
-				_surface = wlr_xdg_surface_surface_at(
-					sview->wlr_xdg_surface,
-					view_sx, view_sy, &_sx, &_sy);
-				break;
-			}
-			if (_surface) {
-				*sx = _sx;
-				*sy = _sy;
-				*surface = _surface;
-				return swayc;
-			}
-			// Check the view's decorations
-			struct wlr_box swayc_box = {
-				.x = swayc->x,
-				.y = swayc->y,
-				.width = swayc->width,
-				.height = swayc->height,
-			};
-			if (wlr_box_contains_point(&swayc_box, ox, oy)) {
-				return swayc;
-			}
-		} else {
-			list_cat(queue, swayc->children);
+/**
+ * container_at for a container with layout L_TABBED.
+ */
+static struct sway_container *container_at_tabbed(struct sway_container *parent,
+		double ox, double oy,
+		struct wlr_surface **surface, double *sx, double *sy) {
+	if (oy < parent->y || oy > parent->y + parent->height) {
+		return NULL;
+	}
+	struct sway_seat *seat = input_manager_current_seat(input_manager);
+
+	// Tab titles
+	int title_height = container_titlebar_height();
+	if (oy < parent->y + title_height) {
+		int tab_width = parent->width / parent->children->length;
+		int child_index = (ox - parent->x) / tab_width;
+		if (child_index >= parent->children->length) {
+			child_index = parent->children->length - 1;
+		}
+		struct sway_container *child = parent->children->items[child_index];
+		return seat_get_focus_inactive(seat, child);
+	}
+
+	// Surfaces
+	struct sway_container *current = seat_get_active_child(seat, parent);
+
+	return container_at(current, ox, oy, surface, sx, sy);
+}
+
+/**
+ * container_at for a container with layout L_STACKED.
+ */
+static struct sway_container *container_at_stacked(
+		struct sway_container *parent, double ox, double oy,
+		struct wlr_surface **surface, double *sx, double *sy) {
+	if (oy < parent->y || oy > parent->y + parent->height) {
+		return NULL;
+	}
+	struct sway_seat *seat = input_manager_current_seat(input_manager);
+
+	// Title bars
+	int title_height = container_titlebar_height();
+	int child_index = (oy - parent->y) / title_height;
+	if (child_index < parent->children->length) {
+		struct sway_container *child = parent->children->items[child_index];
+		return seat_get_focus_inactive(seat, child);
+	}
+
+	// Surfaces
+	struct sway_container *current = seat_get_active_child(seat, parent);
+
+	return container_at(current, ox, oy, surface, sx, sy);
+}
+
+/**
+ * container_at for a container with layout L_HORIZ or L_VERT.
+ */
+static struct sway_container *container_at_linear(struct sway_container *parent,
+		double ox, double oy,
+		struct wlr_surface **surface, double *sx, double *sy) {
+	for (int i = 0; i < parent->children->length; ++i) {
+		struct sway_container *child = parent->children->items[i];
+		struct wlr_box box = {
+			.x = child->x,
+			.y = child->y,
+			.width = child->width,
+			.height = child->height,
+		};
+		if (wlr_box_contains_point(&box, ox, oy)) {
+			return container_at(child, ox, oy, surface, sx, sy);
 		}
 	}
+	return NULL;
+}
+
+struct sway_container *container_at(struct sway_container *parent,
+		double ox, double oy,
+		struct wlr_surface **surface, double *sx, double *sy) {
+	if (!sway_assert(parent->type >= C_WORKSPACE,
+				"Expected workspace or deeper")) {
+		return NULL;
+	}
+	if (parent->type == C_VIEW) {
+		return container_at_view(parent, ox, oy, surface, sx, sy);
+	}
+	if (!parent->children->length) {
+		return NULL;
+	}
+
+	switch (parent->layout) {
+	case L_HORIZ:
+	case L_VERT:
+		return container_at_linear(parent, ox, oy, surface, sx, sy);
+	case L_TABBED:
+		return container_at_tabbed(parent, ox, oy, surface, sx, sy);
+	case L_STACKED:
+		return container_at_stacked(parent, ox, oy, surface, sx, sy);
+	case L_FLOATING:
+		return NULL; // TODO
+	case L_NONE:
+		return NULL;
+	}
 
 	return NULL;
 }
@@ -658,19 +773,96 @@ void container_calculate_title_height(struct sway_container *container) {
 	container->title_height = height;
 }
 
+/**
+ * Calculate and return the length of the concatenated child titles.
+ * An example concatenated title is: V[Terminal, Firefox]
+ * If buffer is not NULL, also populate the buffer with the concatenated title.
+ */
+static size_t concatenate_child_titles(struct sway_container *parent,
+		char *buffer) {
+	size_t len = 2; // V[
+	if (buffer) {
+		switch (parent->layout) {
+		case L_VERT:
+			strcpy(buffer, "V[");
+			break;
+		case L_HORIZ:
+			strcpy(buffer, "H[");
+			break;
+		case L_TABBED:
+			strcpy(buffer, "T[");
+			break;
+		case L_STACKED:
+			strcpy(buffer, "S[");
+			break;
+		case L_FLOATING:
+			strcpy(buffer, "F[");
+			break;
+		case L_NONE:
+			strcpy(buffer, "D[");
+			break;
+		}
+	}
+
+	for (int i = 0; i < parent->children->length; ++i) {
+		if (i != 0) {
+			len += 1;
+			if (buffer) {
+				strcat(buffer, " ");
+			}
+		}
+		struct sway_container *child = parent->children->items[i];
+		const char *identifier = NULL;
+		if (child->type == C_VIEW) {
+			identifier = view_get_class(child->sway_view);
+			if (!identifier) {
+				identifier = view_get_app_id(child->sway_view);
+			}
+		} else {
+			identifier = child->name;
+		}
+		if (identifier) {
+			len += strlen(identifier);
+			if (buffer) {
+				strcat(buffer, identifier);
+			}
+		} else {
+			len += 6;
+			if (buffer) {
+				strcat(buffer, "(null)");
+			}
+		}
+	}
+
+	len += 1;
+	if (buffer) {
+		strcat(buffer, "]");
+	}
+	return len;
+}
+
 void container_notify_child_title_changed(struct sway_container *container) {
 	if (!container || container->type != C_CONTAINER) {
 		return;
 	}
-	if (container->layout != L_TABBED && container->layout != L_STACKED) {
-		return;
-	}
 	if (container->formatted_title) {
 		free(container->formatted_title);
 	}
-	// TODO: iterate children and concatenate their titles
-	container->formatted_title = strdup("");
+
+	size_t len = concatenate_child_titles(container, NULL);
+	char *buffer = calloc(len + 1, sizeof(char));
+	if (!sway_assert(buffer, "Unable to allocate title string")) {
+		return;
+	}
+	concatenate_child_titles(container, buffer);
+
+	container->name = buffer;
+	container->formatted_title = buffer;
 	container_calculate_title_height(container);
 	container_update_title_textures(container);
 	container_notify_child_title_changed(container->parent);
 }
+
+size_t container_titlebar_height() {
+	return config->font_height + TITLEBAR_V_PADDING * 2;
+}
diff --git a/sway/tree/layout.c b/sway/tree/layout.c
index ec1c6fe5..f8acdf6c 100644
--- a/sway/tree/layout.c
+++ b/sway/tree/layout.c
@@ -149,6 +149,8 @@ struct sway_container *container_remove_child(struct sway_container *child) {
 		}
 	}
 	child->parent = NULL;
+	container_notify_child_title_changed(parent);
+
 	return parent;
 }
 
@@ -182,6 +184,8 @@ void container_move_to(struct sway_container *container,
 		container_sort_workspaces(new_parent);
 		seat_set_focus(seat, new_parent);
 	}
+	container_notify_child_title_changed(old_parent);
+	container_notify_child_title_changed(new_parent);
 	if (old_parent) {
 		arrange_children_of(old_parent);
 	}
@@ -234,9 +238,9 @@ static bool is_parallel(enum sway_container_layout layout,
 		enum movement_direction dir) {
 	switch (layout) {
 	case L_TABBED:
-	case L_STACKED:
 	case L_HORIZ:
 		return dir == MOVE_LEFT || dir == MOVE_RIGHT;
+	case L_STACKED:
 	case L_VERT:
 		return dir == MOVE_UP || dir == MOVE_DOWN;
 	default:
@@ -485,6 +489,9 @@ void container_move(struct sway_container *container,
 		}
 	}
 
+	container_notify_child_title_changed(old_parent);
+	container_notify_child_title_changed(container->parent);
+
 	if (old_parent) {
 		seat_set_focus(config->handler_context.seat, old_parent);
 		seat_set_focus(config->handler_context.seat, container);
@@ -832,6 +839,8 @@ struct sway_container *container_split(struct sway_container *child,
 		container_add_child(cont, child);
 	}
 
+	container_notify_child_title_changed(cont);
+
 	return cont;
 }
 
diff --git a/sway/tree/view.c b/sway/tree/view.c
index 648c1655..07157818 100644
--- a/sway/tree/view.c
+++ b/sway/tree/view.c
@@ -139,10 +139,20 @@ void view_autoconfigure(struct sway_view *view) {
 		return;
 	}
 
-	int other_views = 1;
+	struct sway_container *ws = container_parent(view->swayc, C_WORKSPACE);
+
+	int other_views = 0;
 	if (config->hide_edge_borders == E_SMART) {
-		struct sway_container *ws = container_parent(view->swayc, C_WORKSPACE);
-		other_views = container_count_descendants_of_type(ws, C_VIEW) - 1;
+		struct sway_container *con = view->swayc;
+		while (con != output) {
+			if (con->layout != L_TABBED && con->layout != L_STACKED) {
+				other_views += con->children ? con->children->length - 1 : 0;
+				if (other_views > 0) {
+					break;
+				}
+			}
+			con = con->parent;
+		}
 	}
 
 	view->border_top = view->border_bottom = true;
@@ -151,47 +161,67 @@ void view_autoconfigure(struct sway_view *view) {
 		if (config->hide_edge_borders == E_BOTH
 				|| config->hide_edge_borders == E_VERTICAL
 				|| (config->hide_edge_borders == E_SMART && !other_views)) {
-			view->border_left = view->swayc->x != 0;
+			view->border_left = view->swayc->x != ws->x;
 			int right_x = view->swayc->x + view->swayc->width;
-			view->border_right = right_x != output->width;
+			view->border_right = right_x != ws->x + ws->width;
 		}
 		if (config->hide_edge_borders == E_BOTH
 				|| config->hide_edge_borders == E_HORIZONTAL
 				|| (config->hide_edge_borders == E_SMART && !other_views)) {
-			view->border_top = view->swayc->y != 0;
+			view->border_top = view->swayc->y != ws->y;
 			int bottom_y = view->swayc->y + view->swayc->height;
-			view->border_bottom = bottom_y != output->height;
+			view->border_bottom = bottom_y != ws->y + ws->height;
 		}
 	}
 
 	double x, y, width, height;
 	x = y = width = height = 0;
+	double y_offset = 0;
+
+	// In a tabbed or stacked container, the swayc's y is the top of the title
+	// area. We have to offset the surface y by the height of the title bar, and
+	// disable any top border because we'll always have the title bar.
+	if (view->swayc->parent->layout == L_TABBED) {
+		y_offset = container_titlebar_height();
+		view->border_top = 0;
+	} else if (view->swayc->parent->layout == L_STACKED) {
+		y_offset = container_titlebar_height()
+			* view->swayc->parent->children->length;
+		view->border_top = 0;
+	}
+
 	switch (view->border) {
 	case B_NONE:
 		x = view->swayc->x;
-		y = view->swayc->y;
+		y = view->swayc->y + y_offset;
 		width = view->swayc->width;
-		height = view->swayc->height;
+		height = view->swayc->height - y_offset;
 		break;
 	case B_PIXEL:
 		x = view->swayc->x + view->border_thickness * view->border_left;
-		y = view->swayc->y + view->border_thickness * view->border_top;
+		y = view->swayc->y + view->border_thickness * view->border_top + y_offset;
 		width = view->swayc->width
 			- view->border_thickness * view->border_left
 			- view->border_thickness * view->border_right;
-		height = view->swayc->height
+		height = view->swayc->height - y_offset
 			- view->border_thickness * view->border_top
 			- view->border_thickness * view->border_bottom;
 		break;
 	case B_NORMAL:
-		// Height is: border + title height + border + view height + border
+		// Height is: 1px border + 3px pad + title height + 3px pad + 1px border
 		x = view->swayc->x + view->border_thickness * view->border_left;
-		y = view->swayc->y + config->font_height + view->border_thickness * 2;
 		width = view->swayc->width
 			- view->border_thickness * view->border_left
 			- view->border_thickness * view->border_right;
-		height = view->swayc->height - config->font_height
-			- view->border_thickness * (2 + view->border_bottom);
+		if (y_offset) {
+			y = view->swayc->y + y_offset;
+			height = view->swayc->height - y_offset
+				- view->border_thickness * view->border_bottom;
+		} else {
+			y = view->swayc->y + container_titlebar_height();
+			height = view->swayc->height - container_titlebar_height()
+				- view->border_thickness * view->border_bottom;
+		}
 		break;
 	}
 
@@ -440,6 +470,7 @@ void view_map(struct sway_view *view, struct wlr_surface *wlr_surface) {
 	input_manager_set_focus(input_manager, cont);
 
 	view_update_title(view, false);
+	container_notify_child_title_changed(view->swayc->parent);
 	view_execute_criteria(view);
 
 	container_damage_whole(cont);
@@ -863,3 +894,28 @@ void view_update_marks_textures(struct sway_view *view) {
 			&config->border_colors.urgent);
 	container_damage_whole(view->swayc);
 }
+
+bool view_is_visible(struct sway_view *view) {
+	if (!view->swayc) {
+		return false;
+	}
+	// Check view isn't in a tabbed or stacked container on an inactive tab
+	struct sway_seat *seat = input_manager_current_seat(input_manager);
+	struct sway_container *container = view->swayc;
+	while (container->type != C_WORKSPACE) {
+		if (container->parent->layout == L_TABBED ||
+				container->parent->layout == L_STACKED) {
+			if (seat_get_active_child(seat, container->parent) != container) {
+				return false;
+			}
+		}
+		container = container->parent;
+	}
+	// Check view isn't hidden by another fullscreen view
+	struct sway_container *workspace = container;
+	if (workspace->sway_workspace->fullscreen && !view->is_fullscreen) {
+		return false;
+	}
+	// Check the workspace is visible
+	return workspace_is_visible(workspace);
+}
diff --git a/swaylock/main.c b/swaylock/main.c
index 9da99f97..79c06285 100644
--- a/swaylock/main.c
+++ b/swaylock/main.c
@@ -13,6 +13,7 @@
 #include <time.h>
 #include <unistd.h>
 #include <wayland-client.h>
+#include <wordexp.h>
 #include <wlr/util/log.h>
 #include "swaylock/seat.h"
 #include "swaylock/swaylock.h"
@@ -20,9 +21,11 @@
 #include "pool-buffer.h"
 #include "cairo.h"
 #include "log.h"
+#include "stringop.h"
 #include "util.h"
 #include "wlr-input-inhibitor-unstable-v1-client-protocol.h"
 #include "wlr-layer-shell-unstable-v1-client-protocol.h"
+#include "xdg-output-unstable-v1-client-protocol.h"
 
 void sway_terminate(int exit_code) {
 	exit(exit_code);
@@ -77,9 +80,14 @@ static void destroy_surface(struct swaylock_surface *surface) {
 
 static const struct zwlr_layer_surface_v1_listener layer_surface_listener;
 
+static cairo_surface_t *select_image(struct swaylock_state *state,
+		struct swaylock_surface *surface);
+
 static void create_layer_surface(struct swaylock_surface *surface) {
 	struct swaylock_state *state = surface->state;
 
+	surface->image = select_image(state, surface);
+
 	surface->surface = wl_compositor_create_surface(state->compositor);
 	assert(surface->surface);
 
@@ -123,22 +131,23 @@ static const struct zwlr_layer_surface_v1_listener layer_surface_listener = {
 	.closed = layer_surface_closed,
 };
 
-static void output_geometry(void *data, struct wl_output *output, int32_t x,
+static void handle_wl_output_geometry(void *data, struct wl_output *output, int32_t x,
 		int32_t y, int32_t width_mm, int32_t height_mm, int32_t subpixel,
 		const char *make, const char *model, int32_t transform) {
 	// Who cares
 }
 
-static void output_mode(void *data, struct wl_output *output, uint32_t flags,
+static void handle_wl_output_mode(void *data, struct wl_output *output, uint32_t flags,
 		int32_t width, int32_t height, int32_t refresh) {
 	// Who cares
 }
 
-static void output_done(void *data, struct wl_output *output) {
+static void handle_wl_output_done(void *data, struct wl_output *output) {
 	// Who cares
 }
 
-static void output_scale(void *data, struct wl_output *output, int32_t factor) {
+static void handle_wl_output_scale(void *data, struct wl_output *output,
+		int32_t factor) {
 	struct swaylock_surface *surface = data;
 	surface->scale = factor;
 	if (surface->state->run_display) {
@@ -146,11 +155,46 @@ static void output_scale(void *data, struct wl_output *output, int32_t factor) {
 	}
 }
 
-struct wl_output_listener output_listener = {
-	.geometry = output_geometry,
-	.mode = output_mode,
-	.done = output_done,
-	.scale = output_scale,
+struct wl_output_listener _wl_output_listener = {
+	.geometry = handle_wl_output_geometry,
+	.mode = handle_wl_output_mode,
+	.done = handle_wl_output_done,
+	.scale = handle_wl_output_scale,
+};
+
+static void handle_xdg_output_logical_size(void *data, struct zxdg_output_v1 *output,
+		int width, int height) {
+	// Who cares
+}
+
+static void handle_xdg_output_logical_position(void *data,
+		struct zxdg_output_v1 *output, int x, int y) {
+	// Who cares
+}
+
+static void handle_xdg_output_name(void *data, struct zxdg_output_v1 *output,
+		const char *name) {
+	wlr_log(L_DEBUG, "output name is %s", name);
+	struct swaylock_surface *surface = data;
+	surface->xdg_output = output;
+	surface->output_name = strdup(name);
+}
+
+static void handle_xdg_output_description(void *data, struct zxdg_output_v1 *output,
+		const char *description) {
+	// Who cares
+}
+
+static void handle_xdg_output_done(void *data, struct zxdg_output_v1 *output) {
+	// Who cares
+}
+
+struct zxdg_output_v1_listener _xdg_output_listener = {
+	.logical_position = handle_xdg_output_logical_position,
+	.logical_size = handle_xdg_output_logical_size,
+	.done = handle_xdg_output_done,
+	.name = handle_xdg_output_name,
+	.description = handle_xdg_output_description,
 };
 
 static void handle_global(void *data, struct wl_registry *registry,
@@ -172,6 +216,9 @@ static void handle_global(void *data, struct wl_registry *registry,
 	} else if (strcmp(interface, zwlr_input_inhibit_manager_v1_interface.name) == 0) {
 		state->input_inhibit_manager = wl_registry_bind(
 				registry, name, &zwlr_input_inhibit_manager_v1_interface, 1);
+	} else if (strcmp(interface, zxdg_output_manager_v1_interface.name) == 0) {
+		state->zxdg_output_manager = wl_registry_bind(
+				registry, name, &zxdg_output_manager_v1_interface, 2);
 	} else if (strcmp(interface, wl_output_interface.name) == 0) {
 		struct swaylock_surface *surface =
 			calloc(1, sizeof(struct swaylock_surface));
@@ -180,7 +227,7 @@ static void handle_global(void *data, struct wl_registry *registry,
 				&wl_output_interface, 3);
 		surface->output_global_name = name;
 		surface->image = state->background_image;
-		wl_output_add_listener(surface->output, &output_listener, surface);
+		wl_output_add_listener(surface->output, &_wl_output_listener, surface);
 		wl_list_insert(&state->surfaces, &surface->link);
 
 		if (state->run_display) {
@@ -207,6 +254,70 @@ static const struct wl_registry_listener registry_listener = {
 	.global_remove = handle_global_remove,
 };
 
+static cairo_surface_t *select_image(struct swaylock_state *state,
+		struct swaylock_surface *surface) {
+	struct swaylock_image *image;
+	cairo_surface_t *default_image = NULL;
+	wl_list_for_each(image, &state->images, link) {
+		if (lenient_strcmp(image->output_name, surface->output_name) == 0) {
+			return image->cairo_surface;
+		} else if (!image->output_name) {
+			default_image = image->cairo_surface;
+		}
+	}
+	return default_image;
+}
+
+static void load_image(char *arg, struct swaylock_state *state) {
+	// [<output>:]<path>
+	struct swaylock_image *image = calloc(1, sizeof(struct swaylock_image));
+	char *separator = strchr(arg, ':');
+	if (separator) {
+		*separator = '\0';
+		image->output_name = strdup(arg);
+		image->path = strdup(separator + 1);
+	} else {
+		image->output_name = NULL;
+		image->path = strdup(arg);
+	}
+
+	bool exists = false;
+	struct swaylock_image *iter_image;
+	wl_list_for_each(iter_image, &state->images, link) {
+		if (lenient_strcmp(iter_image->output_name, image->output_name) == 0) {
+			exists = true;
+			break;
+		}
+	}
+	if (exists) {
+		if (image->output_name) {
+			wlr_log(L_ERROR, "Multiple images defined for output %s",
+				image->output_name);
+		} else {
+			wlr_log(L_ERROR, "Multiple default images defined");
+		}
+	}
+
+	// Bash doesn't replace the ~ with $HOME if the output name is supplied
+	wordexp_t p;
+	if (wordexp(image->path, &p, 0) == 0) {
+		free(image->path);
+		image->path = strdup(p.we_wordv[0]);
+		wordfree(&p);
+	}
+
+	// Load the actual image
+	image->cairo_surface = load_background_image(image->path);
+	if (!image->cairo_surface) {
+		free(image);
+		return;
+	}
+	wl_list_insert(&state->images, &image->link);
+	state->args.mode = BACKGROUND_MODE_FILL;
+	wlr_log(L_DEBUG, "Loaded image %s for output %s",
+			image->path, image->output_name ? image->output_name : "*");
+}
+
 static struct swaylock_state state;
 
 int main(int argc, char **argv) {
@@ -233,14 +344,14 @@ int main(int argc, char **argv) {
 		"  -v, --version                  Show the version number and quit.\n"
 		"  -i, --image [<output>:]<path>  Display the given image.\n"
 		"  -u, --no-unlock-indicator      Disable the unlock indicator.\n"
-		"  -f, --daemonize                Detach from the controlling terminal.\n"
-		"  --socket <socket>              Use the specified socket.\n";
+		"  -f, --daemonize                Detach from the controlling terminal.\n";
 
 	state.args = (struct swaylock_args){
 		.mode = BACKGROUND_MODE_SOLID_COLOR,
 		.color = 0xFFFFFFFF,
 		.show_indicator = true,
 	};
+	wl_list_init(&state.images);
 
 	wlr_log_init(L_DEBUG, NULL);
 
@@ -258,12 +369,7 @@ int main(int argc, char **argv) {
 			break;
 		}
 		case 'i':
-			// TODO: Multiple background images (bleh)
-			state.background_image = load_background_image(optarg);
-			if (!state.background_image) {
-				return 1;
-			}
-			state.args.mode = BACKGROUND_MODE_FILL;
+			load_image(optarg, &state);
 			break;
 		case 's':
 			state.args.mode = parse_background_mode(optarg);
@@ -313,6 +419,7 @@ int main(int argc, char **argv) {
 	if (!state.input_inhibit_manager) {
 		wlr_log(L_ERROR, "Compositor does not support the input inhibitor "
 				"protocol, refusing to run insecurely");
+		return 1;
 	}
 
 	if (wl_list_empty(&state.surfaces)) {
@@ -322,11 +429,24 @@ int main(int argc, char **argv) {
 
 	zwlr_input_inhibit_manager_v1_get_inhibitor(state.input_inhibit_manager);
 
+	if (state.zxdg_output_manager) {
+		struct swaylock_surface *surface;
+		wl_list_for_each(surface, &state.surfaces, link) {
+			surface->xdg_output = zxdg_output_manager_v1_get_xdg_output(
+						state.zxdg_output_manager, surface->output);
+			zxdg_output_v1_add_listener(
+					surface->xdg_output, &_xdg_output_listener, surface);
+		}
+		wl_display_roundtrip(state.display);
+	} else {
+		wlr_log(L_INFO, "Compositor does not support zxdg output manager, "
+				"images assigned to named outputs will not work");
+	}
+
 	struct swaylock_surface *surface;
 	wl_list_for_each(surface, &state.surfaces, link) {
 		create_layer_surface(surface);
 	}
-	wl_display_roundtrip(state.display);
 
 	state.run_display = true;
 	while (wl_display_dispatch(state.display) != -1 && state.run_display) {
diff --git a/swaylock/render.c b/swaylock/render.c
index 7d9d25a5..cc40f4e9 100644
--- a/swaylock/render.c
+++ b/swaylock/render.c
@@ -23,7 +23,7 @@ void render_frame(struct swaylock_surface *surface) {
 	cairo_t *cairo = surface->current_buffer->cairo;
 	cairo_identity_matrix(cairo);
 
-	if (state->args.mode == BACKGROUND_MODE_SOLID_COLOR) {
+	if (state->args.mode == BACKGROUND_MODE_SOLID_COLOR || !surface->image) {
 		cairo_set_source_u32(cairo, state->args.color);
 		cairo_paint(cairo);
 	} else {