Move view border properties to container struct

This will be needed to implement layout saving and restoring, as we need
to be able to configure borders on a placeholder container which has no
view.

include/sway/tree/container.h

@@ -53,16 +53,16 @@ struct sway_container_state {
 	struct sway_container *focused_inactive_child;
 	bool focused;
 
-	// View properties
-	double view_x, view_y;
-	double view_width, view_height;
-
 	enum sway_container_border border;
 	int border_thickness;
 	bool border_top;
 	bool border_bottom;
 	bool border_left;
 	bool border_right;
+
+	// View properties
+	double view_x, view_y;
+	double view_width, view_height;
 };
 
 struct sway_container {
@@ -91,6 +91,18 @@ struct sway_container {
 
 	bool is_fullscreen;
 
+	enum sway_container_border border;
+
+	// Used when the view changes to CSD unexpectedly. This will be a non-B_CSD
+	// border which we use to restore when the view returns to SSD.
+	enum sway_container_border saved_border;
+
+	int border_thickness;
+	bool border_top;
+	bool border_bottom;
+	bool border_left;
+	bool border_right;
+
 	// The gaps currently applied to the container.
 	double current_gaps;
 

include/sway/tree/view.h

@@ -80,24 +80,8 @@ struct sway_view {
 
 	char *title_format;
 
-	// Our border types are B_NONE, B_PIXEL, B_NORMAL and B_CSD. We normally
-	// just assign this to the border property and ignore the other two.
-	// However, when a view using CSD is tiled, we want to render our own
-	// borders as well. So in this case the border property becomes one of the
-	// first three, and using_csd is true.
-	// Lastly, views can change their decoration mode at any time. When an SSD
-	// view becomes CSD without our approval, we save the SSD border type so it
-	// can be restored if/when the view returns from CSD to SSD.
-	enum sway_container_border border;
-	enum sway_container_border saved_border;
 	bool using_csd;
 
-	int border_thickness;
-	bool border_top;
-	bool border_bottom;
-	bool border_left;
-	bool border_right;
-
 	struct timespec urgent;
 	bool allow_request_urgent;
 	struct wl_event_source *urgent_timer;

sway/commands/border.c

@@ -12,37 +12,41 @@
 //   in use (we set using_csd instead and render a sway border).
 // - view->saved_border should be the last applied border when switching to CSD.
 // - view->using_csd should always reflect whether CSD is applied or not.
-static void set_border(struct sway_view *view,
+static void set_border(struct sway_container *con,
 		enum sway_container_border new_border) {
-	if (view->using_csd && new_border != B_CSD) {
-		view_set_csd_from_server(view, false);
-	} else if (!view->using_csd && new_border == B_CSD) {
-		view_set_csd_from_server(view, true);
-		view->saved_border = view->border;
+	if (con->view) {
+		if (con->view->using_csd && new_border != B_CSD) {
+			view_set_csd_from_server(con->view, false);
+		} else if (!con->view->using_csd && new_border == B_CSD) {
+			view_set_csd_from_server(con->view, true);
+			con->saved_border = con->border;
 		}
-	if (new_border != B_CSD || container_is_floating(view->container)) {
-		view->border = new_border;
 	}
-	view->using_csd = new_border == B_CSD;
+	if (new_border != B_CSD || container_is_floating(con)) {
+		con->border = new_border;
+	}
+	if (con->view) {
+		con->view->using_csd = new_border == B_CSD;
+	}
 }
 
-static void border_toggle(struct sway_view *view) {
-	if (view->using_csd) {
-		set_border(view, B_NONE);
+static void border_toggle(struct sway_container *con) {
+	if (con->view && con->view->using_csd) {
+		set_border(con, B_NONE);
 		return;
 	}
-	switch (view->border) {
+	switch (con->border) {
 	case B_NONE:
-		set_border(view, B_PIXEL);
+		set_border(con, B_PIXEL);
 		break;
 	case B_PIXEL:
-		set_border(view, B_NORMAL);
+		set_border(con, B_NORMAL);
 		break;
 	case B_NORMAL:
-		if (view->xdg_decoration) {
-			set_border(view, B_CSD);
+		if (con->view && con->view->xdg_decoration) {
+			set_border(con, B_CSD);
 		} else {
-			set_border(view, B_NONE);
+			set_border(con, B_NONE);
 		}
 		break;
 	case B_CSD:
@@ -66,33 +70,33 @@ struct cmd_results *cmd_border(int argc, char **argv) {
 	struct sway_view *view = container->view;
 
 	if (strcmp(argv[0], "none") == 0) {
-		set_border(view, B_NONE);
+		set_border(container, B_NONE);
 	} else if (strcmp(argv[0], "normal") == 0) {
-		set_border(view, B_NORMAL);
+		set_border(container, B_NORMAL);
 	} else if (strcmp(argv[0], "pixel") == 0) {
-		set_border(view, B_PIXEL);
+		set_border(container, B_PIXEL);
 	} else if (strcmp(argv[0], "csd") == 0) {
-		if (!view->xdg_decoration) {
+		if (!view || !view->xdg_decoration) {
 			return cmd_results_new(CMD_INVALID, "border",
 					"This window doesn't support client side decorations");
 		}
-		set_border(view, B_CSD);
+		set_border(container, B_CSD);
 	} else if (strcmp(argv[0], "toggle") == 0) {
-		border_toggle(view);
+		border_toggle(container);
 	} else {
 		return cmd_results_new(CMD_INVALID, "border",
 				"Expected 'border <none|normal|pixel|csd|toggle>' "
 				"or 'border pixel <px>'");
 	}
 	if (argc == 2) {
-		view->border_thickness = atoi(argv[1]);
+		container->border_thickness = atoi(argv[1]);
 	}
 
-	if (container_is_floating(view->container)) {
-		container_set_geometry_from_floating_view(view->container);
+	if (container_is_floating(container)) {
+		container_set_geometry_from_floating_view(container);
 	}
 
-	arrange_container(view->container);
+	arrange_container(container);
 
 	return cmd_results_new(CMD_SUCCESS, NULL, NULL);
 }

sway/desktop/transaction.c

@@ -137,6 +137,12 @@ static void copy_container_state(struct sway_container *container,
 	state->is_fullscreen = container->is_fullscreen;
 	state->parent = container->parent;
 	state->workspace = container->workspace;
+	state->border = container->border;
+	state->border_thickness = container->border_thickness;
+	state->border_top = container->border_top;
+	state->border_left = container->border_left;
+	state->border_right = container->border_right;
+	state->border_bottom = container->border_bottom;
 
 	if (container->view) {
 		struct sway_view *view = container->view;
@@ -144,12 +150,6 @@ static void copy_container_state(struct sway_container *container,
 		state->view_y = view->y;
 		state->view_width = view->width;
 		state->view_height = view->height;
-		state->border = view->border;
-		state->border_thickness = view->border_thickness;
-		state->border_top = view->border_top;
-		state->border_left = view->border_left;
-		state->border_right = view->border_right;
-		state->border_bottom = view->border_bottom;
 	} else {
 		state->children = create_list();
 		list_cat(state->children, container->children);

sway/input/cursor.c

@@ -187,23 +187,22 @@ static enum wlr_edges find_edge(struct sway_container *cont,
 	if (!cont->view) {
 		return WLR_EDGE_NONE;
 	}
-	struct sway_view *view = cont->view;
-	if (view->border == B_NONE || !view->border_thickness ||
-			view->border == B_CSD) {
+	if (cont->border == B_NONE || !cont->border_thickness ||
+			cont->border == B_CSD) {
 		return WLR_EDGE_NONE;
 	}
 
 	enum wlr_edges edge = 0;
-	if (cursor->cursor->x < cont->x + view->border_thickness) {
+	if (cursor->cursor->x < cont->x + cont->border_thickness) {
 		edge |= WLR_EDGE_LEFT;
 	}
-	if (cursor->cursor->y < cont->y + view->border_thickness) {
+	if (cursor->cursor->y < cont->y + cont->border_thickness) {
 		edge |= WLR_EDGE_TOP;
 	}
-	if (cursor->cursor->x >= cont->x + cont->width - view->border_thickness) {
+	if (cursor->cursor->x >= cont->x + cont->width - cont->border_thickness) {
 		edge |= WLR_EDGE_RIGHT;
 	}
-	if (cursor->cursor->y >= cont->y + cont->height - view->border_thickness) {
+	if (cursor->cursor->y >= cont->y + cont->height - cont->border_thickness) {
 		edge |= WLR_EDGE_BOTTOM;
 	}
 

sway/tree/container.c

@@ -639,8 +639,8 @@ void container_init_floating(struct sway_container *con) {
 		view->y = ws->y + (ws->height - view->height) / 2;
 
 		// If the view's border is B_NONE then these properties are ignored.
-		view->border_top = view->border_bottom = true;
-		view->border_left = view->border_right = true;
+		con->border_top = con->border_bottom = true;
+		con->border_left = con->border_right = true;
 
 		container_set_geometry_from_floating_view(con);
 	}
@@ -662,7 +662,7 @@ void container_set_floating(struct sway_container *container, bool enable) {
 		if (container->view) {
 			view_set_tiled(container->view, false);
 			if (container->view->using_csd) {
-				container->view->border = B_CSD;
+				container->border = B_CSD;
 			}
 		}
 		if (old_parent) {
@@ -688,7 +688,7 @@ void container_set_floating(struct sway_container *container, bool enable) {
 		if (container->view) {
 			view_set_tiled(container->view, true);
 			if (container->view->using_csd) {
-				container->view->border = container->view->saved_border;
+				container->border = container->saved_border;
 			}
 		}
 		container->is_sticky = false;
@@ -710,9 +710,9 @@ void container_set_geometry_from_floating_view(struct sway_container *con) {
 	size_t border_width = 0;
 	size_t top = 0;
 
-	if (view->border != B_CSD) {
-		border_width = view->border_thickness * (view->border != B_NONE);
-		top = view->border == B_NORMAL ?
+	if (con->border != B_CSD) {
+		border_width = con->border_thickness * (con->border != B_NONE);
+		top = con->border == B_NORMAL ?
 			container_titlebar_height() : border_width;
 	}
 

sway/tree/view.c

@@ -225,21 +225,21 @@ void view_autoconfigure(struct sway_view *view) {
 	bool no_gaps = config->hide_edge_borders != E_SMART_NO_GAPS
 		|| !gaps_to_edge(view);
 
-	view->border_top = view->border_bottom = true;
-	view->border_left = view->border_right = true;
+	con->border_top = con->border_bottom = true;
+	con->border_left = con->border_right = true;
 	if (config->hide_edge_borders == E_BOTH
 			|| config->hide_edge_borders == E_VERTICAL
 			|| (smart && !other_views && no_gaps)) {
-		view->border_left = con->x - con->current_gaps != ws->x;
+		con->border_left = con->x - con->current_gaps != ws->x;
 		int right_x = con->x + con->width + con->current_gaps;
-		view->border_right = right_x != ws->x + ws->width;
+		con->border_right = right_x != ws->x + ws->width;
 	}
 	if (config->hide_edge_borders == E_BOTH
 			|| config->hide_edge_borders == E_HORIZONTAL
 			|| (smart && !other_views && no_gaps)) {
-		view->border_top = con->y - con->current_gaps != ws->y;
+		con->border_top = con->y - con->current_gaps != ws->y;
 		int bottom_y = con->y + con->height + con->current_gaps;
-		view->border_bottom = bottom_y != ws->y + ws->height;
+		con->border_bottom = bottom_y != ws->y + ws->height;
 	}
 
 	double x, y, width, height;
@@ -252,14 +252,14 @@ void view_autoconfigure(struct sway_view *view) {
 	enum sway_container_layout layout = container_parent_layout(con);
 	if (layout == L_TABBED && !container_is_floating(con)) {
 		y_offset = container_titlebar_height();
-		view->border_top = false;
+		con->border_top = false;
 	} else if (layout == L_STACKED && !container_is_floating(con)) {
 		list_t *siblings = container_get_siblings(con);
 		y_offset = container_titlebar_height() * siblings->length;
-		view->border_top = false;
+		con->border_top = false;
 	}
 
-	switch (view->border) {
+	switch (con->border) {
 	case B_CSD:
 	case B_NONE:
 		x = con->x;
@@ -268,29 +268,29 @@ void view_autoconfigure(struct sway_view *view) {
 		height = con->height - y_offset;
 		break;
 	case B_PIXEL:
-		x = con->x + view->border_thickness * view->border_left;
-		y = con->y + view->border_thickness * view->border_top + y_offset;
+		x = con->x + con->border_thickness * con->border_left;
+		y = con->y + con->border_thickness * con->border_top + y_offset;
 		width = con->width
-			- view->border_thickness * view->border_left
-			- view->border_thickness * view->border_right;
+			- con->border_thickness * con->border_left
+			- con->border_thickness * con->border_right;
 		height = con->height - y_offset
-			- view->border_thickness * view->border_top
-			- view->border_thickness * view->border_bottom;
+			- con->border_thickness * con->border_top
+			- con->border_thickness * con->border_bottom;
 		break;
 	case B_NORMAL:
 		// Height is: 1px border + 3px pad + title height + 3px pad + 1px border
-		x = con->x + view->border_thickness * view->border_left;
+		x = con->x + con->border_thickness * con->border_left;
 		width = con->width
-			- view->border_thickness * view->border_left
-			- view->border_thickness * view->border_right;
+			- con->border_thickness * con->border_left
+			- con->border_thickness * con->border_right;
 		if (y_offset) {
 			y = con->y + y_offset;
 			height = con->height - y_offset
-				- view->border_thickness * view->border_bottom;
+				- con->border_thickness * con->border_bottom;
 		} else {
 			y = con->y + container_titlebar_height();
 			height = con->height - container_titlebar_height()
-				- view->border_thickness * view->border_bottom;
+				- con->border_thickness * con->border_bottom;
 		}
 		break;
 	}
@@ -347,13 +347,14 @@ void view_set_csd_from_server(struct sway_view *view, bool enabled) {
 
 void view_update_csd_from_client(struct sway_view *view, bool enabled) {
 	wlr_log(WLR_DEBUG, "View %p updated CSD to %i", view, enabled);
-	if (enabled && view->border != B_CSD) {
-		view->saved_border = view->border;
-		if (view->container && container_is_floating(view->container)) {
-			view->border = B_CSD;
+	struct sway_container *con = view->container;
+	if (enabled && con && con->border != B_CSD) {
+		con->saved_border = con->border;
+		if (container_is_floating(con)) {
+			con->border = B_CSD;
 		}
-	} else if (!enabled && view->border == B_CSD) {
-		view->border = view->saved_border;
+	} else if (!enabled && con && con->border == B_CSD) {
+		con->border = con->saved_border;
 	}
 	view->using_csd = enabled;
 }
@@ -584,12 +585,12 @@ void view_map(struct sway_view *view, struct wlr_surface *wlr_surface,
 	view->surface_new_subsurface.notify = view_handle_surface_new_subsurface;
 
 	if (view->impl->wants_floating && view->impl->wants_floating(view)) {
-		view->border = config->floating_border;
-		view->border_thickness = config->floating_border_thickness;
+		view->container->border = config->floating_border;
+		view->container->border_thickness = config->floating_border_thickness;
 		container_set_floating(view->container, true);
 	} else {
-		view->border = config->border;
-		view->border_thickness = config->border_thickness;
+		view->container->border = config->border;
+		view->container->border_thickness = config->border_thickness;
 		view_set_tiled(view, true);
 	}