From 9644f3c05b808a3cac3892aae36ffca2cce9357d Mon Sep 17 00:00:00 2001
From: dec05eba <dec05eba@protonmail.com>
Date: Thu, 2 Dec 2021 16:48:23 +0100
Subject: Resize list widgets to the list width for vertical lists

---
 src/mgui/list.c | 33 +++++++++++++++++++++++++++++++--
 1 file changed, 31 insertions(+), 2 deletions(-)

(limited to 'src/mgui/list.c')

diff --git a/src/mgui/list.c b/src/mgui/list.c
index 320b448..9923c4f 100644
--- a/src/mgui/list.c
+++ b/src/mgui/list.c
@@ -1,12 +1,14 @@
 #include "../../include/mgui/list.h"
 #include "../../include/alloc.h"
+#include <mgl/window/window.h>
 #include <assert.h>
 
-mgui_list* mgui_list_create(mgui_list_direction direction) {
+mgui_list* mgui_list_create(mgui_list_direction direction, mgl_vec2i size) {
     mgui_list *list = mgui_alloc(sizeof(mgui_list));    
     mgui_widget_init(&list->widget, MGUI_WIDGET_LIST);
     list->direction = direction;
     list->position = (mgl_vec2i){ 0, 0 };
+    list->size = size;
     list->items = NULL;
     list->num_items = 0;
     list->items_capacity = 0;
@@ -26,6 +28,22 @@ void mgui_list_set_position(mgui_list *self, mgl_vec2i position) {
     self->position = position;
 }
 
+void mgui_list_set_size(mgui_list *self, mgl_vec2i size) {
+    self->size = size;
+    /* TODO: if direction is horizontal then put the widget in the center of its area */
+    /* TODO: put the widget in the center for vertical as well, for items with a max size */
+    /* TODO: support max size for widgets */
+    if(self->direction == MGUI_LIST_VERTICAL) {
+        for(size_t i = 0; i < self->num_items; ++i) {
+            mgui_widget_set_width(self->items[i], size.x);
+        }
+    }
+}
+
+void mgui_list_set_width(mgui_list *self, int width) {
+    mgui_list_set_size(self, (mgl_vec2i){ width, self->size.y });
+}
+
 static void mgui_list_ensure_capacity(mgui_list *self, size_t new_capacity) {
     if(self->items_capacity >= new_capacity)
         return;
@@ -59,9 +77,19 @@ static int max_int(int a, int b) {
 }
 
 mgl_vec2i mgui_list_draw(mgui_list *self, mgl_window *window) {
-    mgl_vec2i position = self->position;
+    mgl_vec2i position = (mgl_vec2i){ 0, 0 };
+    /* TODO: */
     mgl_vec2i size = (mgl_vec2i){ 0, 0 };
 
+    mgl_view prev_view;
+    mgl_window_get_view(window, &prev_view);
+
+    mgl_view new_view = {
+        .position = { self->position.x, self->position.y },
+        .size = self->size
+    };
+    mgl_window_set_view(window, &new_view);
+
     switch(self->direction) {
         case MGUI_LIST_HORIZONITAL: {
             for(size_t i = 0; i < self->num_items; ++i) {
@@ -85,5 +113,6 @@ mgl_vec2i mgui_list_draw(mgui_list *self, mgl_window *window) {
         }
     }
 
+    mgl_window_set_view(window, &prev_view); /* TODO: Remove */
     return size;
 }
-- 
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