Fix problems with floating windows

Makes any tabbed/stacked layout a container to separate from floating
windows which may be attached to a workspace.

include/container.h

@@ -240,6 +240,12 @@ bool swayc_is_parent_of(swayc_t *parent, swayc_t *child);
  * Returns true if the child is a desecendant of the parent.
  */
 bool swayc_is_child_of(swayc_t *child, swayc_t *parent);
+
+/**
+ * Returns true if view is stacked or tabbed.
+ */
+bool swayc_is_tabbed_stacked(swayc_t *view);
+
 /**
  * Returns the gap (padding) of the container.
  *

sway/border.c

@@ -237,7 +237,7 @@ void update_view_border(swayc_t *view) {
 
 	swayc_t *p = view->parent;
 
-	if (p->layout == L_TABBED || p->layout == L_STACKED) {
+	if (swayc_is_tabbed_stacked(view)) {
 		cr = create_border_buffer(view, view->border_geometry, &surface);
 		if (focused == view) {
 			render_borders(view, cr, &config->border_colors.focused, false);

sway/commands.c

@@ -1764,8 +1764,16 @@ static struct cmd_results *cmd_layout(int argc, char **argv) {
 		// cmd_workspace_layout
 		parent->layout = L_HORIZ;
 	} else if (strcasecmp(argv[0], "tabbed") == 0) {
+		if (parent->type != C_CONTAINER) {
+			parent = new_container(parent, L_TABBED);
+		}
+
 		parent->layout = L_TABBED;
 	} else if (strcasecmp(argv[0], "stacking") == 0) {
+		if (parent->type != C_CONTAINER) {
+			parent = new_container(parent, L_STACKED);
+		}
+
 		parent->layout = L_STACKED;
 	} else if (strcasecmp(argv[0], "splith") == 0) {
 		parent->layout = L_HORIZ;

sway/container.c

@@ -237,7 +237,7 @@ swayc_t *new_container(swayc_t *child, enum swayc_layouts layout) {
 		add_child(workspace, cont);
 		// give them proper layouts
 		cont->layout = workspace->layout;
-		workspace->layout = layout;
+		/* TODO: might break shit in move_container!!! workspace->layout = layout; */
 		set_focused_container_for(workspace, get_focused_view(workspace));
 	} else { // Or is built around container
 		swayc_t *parent = replace_child(child, cont);
@@ -722,9 +722,7 @@ void update_visibility_output(swayc_t *container, wlc_handle output) {
 	swayc_t *parent = container->parent;
 	container->visible = parent->visible;
 	// special cases where visibility depends on focus
-	if (parent->type == C_OUTPUT
-			|| parent->layout == L_TABBED
-			|| parent->layout == L_STACKED) {
+	if (parent->type == C_OUTPUT || swayc_is_tabbed_stacked(container)) {
 		container->visible = parent->focused == container && parent->visible;
 	}
 	// Set visibility and output for view
@@ -814,3 +812,8 @@ static void close_view(swayc_t *container, void *data) {
 void close_views(swayc_t *container) {
 	container_map(container, close_view, NULL);
 }
+
+bool swayc_is_tabbed_stacked(swayc_t *view) {
+	return (view->parent->layout == L_TABBED
+			|| view->parent->layout == L_STACKED);
+}

sway/focus.c

@@ -149,7 +149,7 @@ bool set_focused_container(swayc_t *c) {
 		}
 
 		// rearrange if parent container is tabbed/stacked
-		if (p->parent->layout == L_TABBED || p->parent->layout == L_STACKED) {
+		if (swayc_is_tabbed_stacked(p)) {
 			arrange_windows(p->parent, -1, -1);
 		}
 	} else if (p->type == C_WORKSPACE) {

sway/layout.c

@@ -458,7 +458,7 @@ void update_geometry(swayc_t *container) {
 
 	// use parent size if window is in a stacked/tabbed layout
 	swayc_t *parent = container->parent;
-	if (parent->layout == L_STACKED || parent->layout == L_TABBED) {
+	if (swayc_is_tabbed_stacked(container)) {
 		width = parent->width;
 		height = parent->height;
 	}
@@ -833,6 +833,8 @@ static void arrange_windows_r(swayc_t *container, double width, double height) {
 			swayc_t *view = container->floating->items[i];
 			if (view->type == C_VIEW) {
 				update_geometry(view);
+				sway_log(L_DEBUG, "Set floating view to %.f x %.f @ %.f, %.f", view->width,
+						view->height, view->x, view->y);
 				if (swayc_is_fullscreen(view)) {
 					wlc_view_bring_to_front(view->handle);
 				} else if (!container->focused