paterns_menu: list and display paterns

includes/paterns_menu.hpp

@@ -8,17 +8,25 @@
 
 #pragma once
 
+#include <memory>
+#include <context.hpp>
+#include <vector>
+#include <string>
+
 namespace gol {
 
 class PaternsMenu {
 public:
-  PaternsMenu() = default;
+  PaternsMenu(std::shared_ptr<ctx>);
   ~PaternsMenu() = default;
   void Toogle();
   bool isOpen();
   void display();
+  void refresh();
 private:
   bool is_open_ = false;
+  std::shared_ptr<ctx> context_ = nullptr;
+  std::vector<std::string> paterns_list_;
 };
 
 } // namespace gol

src/main.cpp

@@ -106,7 +106,7 @@ int main(int ac, char **av) {
   context->render = std::make_shared<Render>(context->settings_menu->getCellSize());
   context->selection_menu = std::make_shared<gol::SelectionMenu>(context);
   context->selection = std::make_shared<gol::Selection>(context);
-  context->paterns_menu = std::make_shared<gol::PaternsMenu>();
+  context->paterns_menu = std::make_shared<gol::PaternsMenu>(context);
 
   // Speed handling values
   float sim_speed = 1.0f;
@@ -115,6 +115,7 @@ int main(int ac, char **av) {
 
   // Setups
   context->rules->setup(context->world);
+  context->paterns_menu->refresh();
   // Diplay generations
   while (!WindowShouldClose()) {
     // Frames shinenigans

src/paterns_menu.cpp

@@ -8,12 +8,16 @@
 
 #include <paterns_menu.hpp>
 
+#include <filesystem>
+
 #include <imgui.h>
 #include <raylib.h>
 #include <rlImGui.h>
 
 namespace gol {
 
+PaternsMenu::PaternsMenu(std::shared_ptr<ctx> ctx): context_(ctx) {} 
+
 void PaternsMenu::Toogle() {
   is_open_ = !is_open_;
 }
@@ -22,12 +26,27 @@ bool PaternsMenu::isOpen() {
   return is_open_;
 }
 
+void PaternsMenu::refresh() {
+  paterns_list_.clear();
+  auto paterns_path = context_->program_dir / "paterns";
+  if (std::filesystem::exists(paterns_path) && std::filesystem::is_directory(paterns_path)) {
+    for (const auto& entry : std::filesystem::directory_iterator(paterns_path)) {
+      paterns_list_.push_back(entry.path());
+    }
+  }
+}
+
 void PaternsMenu::display() {
   if (is_open_) {
     ImGuiWindowFlags paterns_flags = ImGuiWindowFlags_AlwaysAutoResize | ImGuiWindowFlags_NoResize;
     ImGui::SetNextWindowSize(ImVec2(150, 200), ImGuiCond_Always);
     ImGui::Begin("paterns", &is_open_, paterns_flags);
-    ImGui::Button("refresh");
+    if (ImGui::Button("refresh")) {
+      refresh();
+    }
+    for (auto patern_name: paterns_list_) {
+      ImGui::Button(patern_name.c_str());
+    }
     ImGui::End();
   }
 }