Disable wrap around body, detect wrap around

1 files changed, 50 insertions, 16 deletions

diff --git a/src/Body.cpp b/src/Body.cpp
index 6500e16..2233f92 100644
--- a/src/Body.cpp
+++ b/src/Body.cpp
@@ -20,39 +20,73 @@ namespace QuickMedia {
         replies_text("", *font, 14),
         selected_item(0),
         draw_thumbnails(false),
-        loading_thumbnail(false)
+        loading_thumbnail(false),
+        wrap_around(false)
     {
         progress_text.setFillColor(sf::Color::White);
         author_text.setFillColor(sf::Color::White);
         replies_text.setFillColor(sf::Color(129, 162, 190));
     }
 
-    void Body::select_previous_item() {
+    bool Body::select_previous_item() {
         if(items.empty())
-            return;
+            return false;
 
+        int new_selected_item = selected_item;
         int num_items = (int)items.size();
+
         for(int i = 0; i < num_items; ++i) {
-            --selected_item;
-            if(selected_item < 0)
-                selected_item = num_items - 1;
-            if(items[selected_item]->visible)
-                return;
+            if(new_selected_item - 1 < 0) {
+                if(wrap_around)
+                    new_selected_item = num_items - 1;
+                else {
+                    new_selected_item = selected_item;
+                    break;
+                }
+            } else {
+                --new_selected_item;
+            }
+            if(items[new_selected_item]->visible)
+                break;
         }
+
+        if(selected_item == new_selected_item)
+            return false;
+        selected_item = new_selected_item;
+        return true;
     }
 
-    void Body::select_next_item() {
+    bool Body::select_next_item() {
         if(items.empty())
-            return;
+            return false;
 
+        int new_selected_item = selected_item;
         int num_items = (int)items.size();
+
         for(int i = 0; i < num_items; ++i) {
-            ++selected_item;
-            if(selected_item == num_items)
-                selected_item = 0;
-            if(items[selected_item]->visible)
-                return;
+            if(new_selected_item + 1 == num_items) {
+                if(wrap_around) {
+                    new_selected_item = 0;
+                } else {
+                    new_selected_item = selected_item;
+                    break;
+                }
+            } else {
+                ++new_selected_item;
+            }
+            if(items[new_selected_item]->visible)
+                break;
         }
+
+        if(selected_item == new_selected_item)
+            return false;
+        selected_item = new_selected_item;
+        return true;
+    }
+
+    void Body::set_selected_item(int item) {
+        assert(item >= 0 && item < (int)items.size());
+        selected_item = item;
     }
 
     void Body::select_first_item() {
@@ -178,7 +212,7 @@ namespace QuickMedia {
                     body_item->title_text->setString(body_item->get_title());
                 else
                     body_item->title_text = std::make_unique<Text>(body_item->get_title(), font, 14, size.x - 50 - image_padding_x * 2.0f);
-                //body_item->title_text->updateGeometry(); // TODO: Call this to make getHeight work on first frame (called below)
+                body_item->title_text->updateGeometry();
             }
 
             if(!body_item->get_description().empty() && !body_item->description_text) {