From 30ae57d0baf3f49e9fb12f66778aa6dda62717e5 Mon Sep 17 00:00:00 2001
From: Ritchie Cunningham <ritchie@ritchiecunningham.co.uk>
Date: Thu, 2 Oct 2025 23:45:56 +0100
Subject: [PATCH] [Fix] Created get_text_width for menu button centering.

---
 client/src/gfx/txt_renderer.cpp | 8 ++++++++
 client/src/gfx/txt_renderer.h   | 2 ++
 client/src/ui/main_menu.cpp     | 9 ++++-----
 common/src/machine.h            | 1 -
 4 files changed, 14 insertions(+), 6 deletions(-)

diff --git a/client/src/gfx/txt_renderer.cpp b/client/src/gfx/txt_renderer.cpp
index f0012d8..7f52680 100644
--- a/client/src/gfx/txt_renderer.cpp
+++ b/client/src/gfx/txt_renderer.cpp
@@ -116,3 +116,11 @@ void TextRenderer::render_text(const char* text, float x, float y, float scale,
   glBindVertexArray(0);
   glBindTexture(GL_TEXTURE_2D, 0);
 }
+
+float TextRenderer::get_text_width(const char* text, float scale) {
+  float width = 0.0f;
+  for(const char* p = text; *p; p++) {
+    width += (_chars[*p].advance >> 6) * scale;
+  }
+  return width;
+}
diff --git a/client/src/gfx/txt_renderer.h b/client/src/gfx/txt_renderer.h
index c731e1c..3fd2260 100644
--- a/client/src/gfx/txt_renderer.h
+++ b/client/src/gfx/txt_renderer.h
@@ -22,6 +22,8 @@ public:
 
   void load_font(const char* font_path, unsigned int font_size);
   void render_text(const char* text, float x, float y, float scale, const Color& color);
+  float get_text_width(const char* text, float scale);
+
 
 private:
   Shader* _txt_shader;
diff --git a/client/src/ui/main_menu.cpp b/client/src/ui/main_menu.cpp
index 9d98f5e..a02cae3 100644
--- a/client/src/ui/main_menu.cpp
+++ b/client/src/ui/main_menu.cpp
@@ -113,11 +113,10 @@ void MainMenu::render(ShapeRenderer* shape_renderer, TextRenderer* txt_renderer)
                                 button.rect.h, button_color);
     }
 
-    /*
-     * Draw button text centered.
-     * TODO: Calculate text width for perfect centering.
-     */
-    txt_renderer->render_text(button.label.c_str(), button.rect.x + 50,
+    /* Draw button text centered. */
+    float text_width = txt_renderer->get_text_width(button.label.c_str(), 1.0f);
+    float text_x = button.rect.x + (button.rect.w - text_width) / 2.0f;
+    txt_renderer->render_text(button.label.c_str(), text_x,
                               button.rect.y + 18, 1.0f, text_color);
   }
 }
diff --git a/common/src/machine.h b/common/src/machine.h
index 2ce282e..ebad545 100644
--- a/common/src/machine.h
+++ b/common/src/machine.h
@@ -15,7 +15,6 @@ public:
       vfs_root(nullptr),
       is_vfs_a_copy(false) {}
 
-  /* TODO: Implement recursive deletion of vfs_root. */
   ~Machine(void); /* Clean up VFS tree. */
 
   uint32_t id;