From 8bed4be1f387f9aa48910db1cf979cd847a9a2e3 Mon Sep 17 00:00:00 2001
From: Ryan Dwyer <ryandwyer1@gmail.com>
Date: Sun, 19 Aug 2018 17:00:51 +1000
Subject: Make separate gaps functions per container type

In preparation for using type safety.
---
 sway/tree/arrange.c   | 54 ++++++++-------------------------------------------
 sway/tree/container.c | 33 ++++++++++++++++++++++++++++++-
 sway/tree/layout.c    |  5 +++--
 sway/tree/workspace.c | 35 +++++++++++++++++++++++++++++++++
 4 files changed, 78 insertions(+), 49 deletions(-)

(limited to 'sway')

diff --git a/sway/tree/arrange.c b/sway/tree/arrange.c
index a4b058f3..0da61a4c 100644
--- a/sway/tree/arrange.c
+++ b/sway/tree/arrange.c
@@ -39,7 +39,7 @@ static void apply_horiz_layout(struct sway_container *parent) {
 				child->width = parent->width;
 			}
 		}
-		remove_gaps(child);
+		container_remove_gaps(child);
 		total_width += child->width;
 	}
 	double scale = parent->width / total_width;
@@ -62,7 +62,7 @@ static void apply_horiz_layout(struct sway_container *parent) {
 		if (i == num_children - 1) {
 			child->width = parent->x + parent->width - child->x;
 		}
-		add_gaps(child);
+		container_add_gaps(child);
 	}
 }
 
@@ -91,7 +91,7 @@ static void apply_vert_layout(struct sway_container *parent) {
 				child->height = parent_height;
 			}
 		}
-		remove_gaps(child);
+		container_remove_gaps(child);
 		total_height += child->height;
 	}
 	double scale = parent_height / total_height;
@@ -115,7 +115,7 @@ static void apply_vert_layout(struct sway_container *parent) {
 			child->height =
 				parent->y + parent_offset + parent_height - child->y;
 		}
-		add_gaps(child);
+		container_add_gaps(child);
 	}
 }
 
@@ -133,12 +133,12 @@ static void apply_tabbed_or_stacked_layout(struct sway_container *parent) {
 	size_t parent_height = parent->height - parent_offset;
 	for (int i = 0; i < parent->children->length; ++i) {
 		struct sway_container *child = parent->children->items[i];
-		remove_gaps(child);
+		container_remove_gaps(child);
 		child->x = parent->x;
 		child->y = parent->y + parent_offset;
 		child->width = parent->width;
 		child->height = parent_height;
-		add_gaps(child);
+		container_add_gaps(child);
 	}
 }
 
@@ -205,7 +205,7 @@ static void arrange_workspace(struct sway_container *workspace) {
 	struct wlr_box *area = &output->sway_output->usable_area;
 	wlr_log(WLR_DEBUG, "Usable area for ws: %dx%d@%d,%d",
 			area->width, area->height, area->x, area->y);
-	remove_gaps(workspace);
+	workspace_remove_gaps(workspace);
 
 	double prev_x = workspace->x;
 	double prev_y = workspace->y;
@@ -230,7 +230,7 @@ static void arrange_workspace(struct sway_container *workspace) {
 		}
 	}
 
-	add_gaps(workspace);
+	workspace_add_gaps(workspace);
 	container_set_dirty(workspace);
 	wlr_log(WLR_DEBUG, "Arranging workspace '%s' at %f, %f", workspace->name,
 			workspace->x, workspace->y);
@@ -314,41 +314,3 @@ void arrange_windows(struct sway_container *container) {
 		break;
 	}
 }
-
-void remove_gaps(struct sway_container *c) {
-	if (c->current_gaps == 0) {
-		wlr_log(WLR_DEBUG, "Removing gaps: not gapped: %p", c);
-		return;
-	}
-
-	c->width += c->current_gaps * 2;
-	c->height += c->current_gaps * 2;
-	c->x -= c->current_gaps;
-	c->y -= c->current_gaps;
-
-	c->current_gaps = 0;
-
-	wlr_log(WLR_DEBUG, "Removing gaps %p", c);
-}
-
-void add_gaps(struct sway_container *c) {
-	if (c->current_gaps > 0 || c->type == C_CONTAINER) {
-		wlr_log(WLR_DEBUG, "Not adding gaps: %p", c);
-		return;
-	}
-
-	if (c->type == C_WORKSPACE &&
-		!(config->edge_gaps || (config->smart_gaps && c->children->length > 1))) {
-		return;
-	}
-
-	double gaps = c->has_gaps ? c->gaps_inner : config->gaps_inner;
-
-	c->x += gaps;
-	c->y += gaps;
-	c->width -= 2 * gaps;
-	c->height -= 2 * gaps;
-	c->current_gaps = gaps;
-
-	wlr_log(WLR_DEBUG, "Adding gaps: %p", c);
-}
diff --git a/sway/tree/container.c b/sway/tree/container.c
index 5721c35c..f9611342 100644
--- a/sway/tree/container.c
+++ b/sway/tree/container.c
@@ -1124,7 +1124,38 @@ void container_discover_outputs(struct sway_container *con) {
 	}
 }
 
+void container_remove_gaps(struct sway_container *c) {
+	if (!sway_assert(c->type == C_CONTAINER || c->type == C_VIEW,
+				"Expected a container or view")) {
+		return;
+	}
+	if (c->current_gaps == 0) {
+		return;
+	}
+
+	c->width += c->current_gaps * 2;
+	c->height += c->current_gaps * 2;
+	c->x -= c->current_gaps;
+	c->y -= c->current_gaps;
+	c->current_gaps = 0;
+}
+
+void container_add_gaps(struct sway_container *c) {
+	if (!sway_assert(c->type == C_CONTAINER || c->type == C_VIEW,
+				"Expected a container or view")) {
+		return;
+	}
+	if (c->current_gaps > 0 || c->type != C_VIEW) {
+		return;
+	}
+
+	c->current_gaps = c->has_gaps ? c->gaps_inner : config->gaps_inner;
+	c->x += c->current_gaps;
+	c->y += c->current_gaps;
+	c->width -= 2 * c->current_gaps;
+	c->height -= 2 * c->current_gaps;
+}
+
 int container_sibling_index(const struct sway_container *child) {
 	return list_find(child->parent->children, child);
 }
-
diff --git a/sway/tree/layout.c b/sway/tree/layout.c
index 601d0e91..85fe7643 100644
--- a/sway/tree/layout.c
+++ b/sway/tree/layout.c
@@ -218,7 +218,8 @@ struct sway_container *container_split(struct sway_container *child,
 
 	wlr_log(WLR_DEBUG, "creating container %p around %p", cont, child);
 
-	remove_gaps(child);
+	child->type == C_WORKSPACE ? workspace_remove_gaps(child)
+		: container_remove_gaps(child);
 
 	cont->prev_split_layout = L_NONE;
 	cont->width = child->width;
@@ -229,7 +230,7 @@ struct sway_container *container_split(struct sway_container *child,
 	struct sway_seat *seat = input_manager_get_default_seat(input_manager);
 	bool set_focus = (seat_get_focus(seat) == child);
 
-	add_gaps(cont);
+	container_add_gaps(cont);
 
 	if (child->type == C_WORKSPACE) {
 		struct sway_container *workspace = child;
diff --git a/sway/tree/workspace.c b/sway/tree/workspace.c
index 93c4b3d3..d930826e 100644
--- a/sway/tree/workspace.c
+++ b/sway/tree/workspace.c
@@ -665,3 +665,38 @@ void workspace_add_floating(struct sway_container *workspace,
 	container_set_dirty(workspace);
 	container_set_dirty(con);
 }
+
+void workspace_remove_gaps(struct sway_container *ws) {
+	if (!sway_assert(ws->type == C_WORKSPACE, "Expected a workspace")) {
+		return;
+	}
+	if (ws->current_gaps == 0) {
+		return;
+	}
+
+	ws->width += ws->current_gaps * 2;
+	ws->height += ws->current_gaps * 2;
+	ws->x -= ws->current_gaps;
+	ws->y -= ws->current_gaps;
+	ws->current_gaps = 0;
+}
+
+void workspace_add_gaps(struct sway_container *ws) {
+	if (!sway_assert(ws->type == C_WORKSPACE, "Expected a workspace")) {
+		return;
+	}
+	if (ws->current_gaps > 0) {
+		return;
+	}
+	bool should_apply =
+		config->edge_gaps || (config->smart_gaps && ws->children->length > 1);
+	if (!should_apply) {
+		return;
+	}
+
+	ws->current_gaps = ws->has_gaps ? ws->gaps_inner : config->gaps_inner;
+	ws->x += ws->current_gaps;
+	ws->y += ws->current_gaps;
+	ws->width -= 2 * ws->current_gaps;
+	ws->height -= 2 * ws->current_gaps;
+}
-- 
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