Implement tabbed layout

1 files changed, 37 insertions, 7 deletions

diff --git a/sway/tree/arrange.c b/sway/tree/arrange.c
index 83bb20fb..8aebc0cc 100644
--- a/sway/tree/arrange.c
+++ b/sway/tree/arrange.c
@@ -86,6 +86,13 @@ static void apply_horiz_layout(struct sway_container *parent) {
         if (!num_children) {
                 return;
         }
+        size_t parent_height = parent->height;
+        size_t parent_offset = 0;
+        if (parent->parent->layout == L_TABBED) {
+                parent_offset = config->border_thickness * 2 + config->font_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 +118,9 @@ 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 +132,31 @@ static void apply_vert_layout(struct sway_container *parent) {
         if (!num_children) {
                 return;
         }
+        size_t parent_height = parent->height;
+        size_t parent_offset = 0;
+        if (parent->parent->layout == L_TABBED) {
+                parent_offset = config->border_thickness * 2 + config->font_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 +170,20 @@ 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;
+        }
 }
 
 void arrange_children_of(struct sway_container *parent) {
@@ -189,6 +216,9 @@ void arrange_children_of(struct sway_container *parent) {
         case L_VERT:
                 apply_vert_layout(parent);
                 break;
+        case L_TABBED:
+                apply_tabbed_layout(parent);
+                break;
         default:
                 wlr_log(L_DEBUG, "TODO: arrange layout type %d", parent->layout);
                 apply_horiz_layout(parent);