1 files changed, 61 insertions, 0 deletions
diff --git a/project-base/src/qui/vertical_layout.c b/project-base/src/qui/vertical_layout.c
new file mode 100644
index 0000000..c3ca3cc
--- /dev/null
+++ b/project-base/src/qui/vertical_layout.c
@@ -0,0 +1,61 @@
+void _qui_update_vertical_layout(qui_widget* el) {
+	if (el->parent) {
+		el->x = el->parent->x;
+		el->y = el->parent->y;
+		el->width = el->parent->width;
+		el->height = el->parent->height;
+	}
+
+	// Calculate size for flex elements.
+	s32 fixed_height = 0;
+	s32 flex_size = 0;
+	for (s32 i = 0; i < el->children.length; i++) {
+		qui_widget* w = *(qui_widget**)array_at(&el->children, i);
+		if (w->type != WIDGET_FLEX_CONTAINER) {
+			fixed_height += w->height;
+			fixed_height += w->margin_y*2;
+		}
+		else {
+			qui_flex_container* data = (qui_flex_container*)w->data;
+			flex_size += data->flex;
+		}
+	}
+
+	// Resize flex elements here.
+	if (flex_size) {
+		s32 height_remaining_for_flex_containers = el->height - fixed_height;
+		s32 height_per_flex = height_remaining_for_flex_containers / flex_size;
+		s32 rogue_pixels = height_remaining_for_flex_containers - (height_per_flex*flex_size);
+		for (s32 i = 0; i < el->children.length; i++) {
+			qui_widget* w = *(qui_widget**)array_at(&el->children, i);
+			if (w->type == WIDGET_FLEX_CONTAINER) {
+				qui_flex_container* data = (qui_flex_container*)w->data;
+				w->height = (height_per_flex*data->flex);
+				if (i == 0) w->height += rogue_pixels;
+			}
+		}
+	}
+
+	// Set position of elements.
+	s32 offsety = 0;
+	for (s32 i = 0; i < el->children.length; i++) {
+		qui_widget* w = *(qui_widget**)array_at(&el->children, i);
+		w->x = el->x + w->margin_x;
+		w->y = el->y + offsety + w->margin_y;
+		w->width = el->width - w->margin_x*2;
+		offsety += w->height + w->margin_y*2;
+	}
+}
+
+
+void _qui_render_vertical_layout(qui_widget* el) {
+	//renderer->render_rectangle(el->x, el->y, el->width, el->height, rgb(255,0,0));
+}
+
+qui_widget* qui_create_vertical_layout(qui_widget* qui)
+{
+	log_assert(qui, "Vertical layout must have a parent widget");
+	qui_widget* wg = _qui_create_empty_widget(qui);
+	wg->type = WIDGET_VERTICAL_LAYOUT;
+	return wg;
+}
+\ No newline at end of file