control_menu: Move processing and display code into it's correspondind methods

src/control_menu.cpp

@@ -6,7 +6,12 @@
 * ------
 */
 
+#include <imgui.h>
+#include <raylib.h>
+#include <rlImGui.h>
+
 #include <control_menu.hpp>
+#include <world.hpp>
 
 namespace gol {
 
@@ -27,4 +32,59 @@ ControlMenu::ControlMenu(ctx context):context_(context) {
   apply_ctrl_ = false;
 }
 
+void ControlMenu::update() {
+  if (menu_state_ == MenuState::PLAY || menu_state_ == MenuState::EDIT) {
+    if (!play_ctrl_ && !edit_ctrl_) {
+      menu_state_ = MenuState::NONE;
+    }
+  }
+  if (rand_ctrl_) {
+    context_.world->randomize();
+    rand_ctrl_ = false;
+  }
+  if (clear_ctrl_) {
+    context_.world->clear();
+    clear_ctrl_ = false;
+  }
+  if (edit_ctrl_ && play_ctrl_) {
+    if (menu_state_ == MenuState::PLAY) {
+      menu_state_ = MenuState::EDIT;
+      play_ctrl_ = false;
+    } else if (menu_state_ == MenuState::EDIT) {
+      menu_state_ = MenuState::PLAY;
+      edit_ctrl_ = false;
+    }
+  } else if (play_ctrl_) {
+    menu_state_ = MenuState::PLAY;
+  } else if (edit_ctrl_) {
+    menu_state_ = MenuState::EDIT;
+  }
+}
+
+void ControlMenu::display() {
+    bool control_panel_open = true;
+    ImGuiWindowFlags control_panel_flags = ImGuiWindowFlags_AlwaysAutoResize |
+                                           ImGuiWindowFlags_NoResize;
+    ImVec2 menu_pos(3, 3);
+    ImGui::SetNextWindowPos(menu_pos, ImGuiCond_Always);
+    ImGui::Begin("Control Panel", &control_panel_open, control_panel_flags);
+    ImGui::Checkbox("Play", &play_ctrl_);
+    if (ImGui::Button("Step")) {
+      step_ctrl_ = true;
+    }
+    if (ImGui::Button("Step Back")) {
+      step_back_ctrl_ = true;
+    }
+    ImGui::Checkbox("Edit", &edit_ctrl_);
+    ImGui::Checkbox("Clear", &clear_ctrl_);
+    ImGui::Checkbox("Randomize", &rand_ctrl_);
+    if (ImGui::Button((paterns_ctrl_) ? "Hide paterns" : "Show paterns")) {
+      paterns_ctrl_ = !paterns_ctrl_;
+    }
+    if (ImGui::Button((settings_window_) ? "Hide settings" : "Show settings")) {
+      settings_window_ = !settings_window_;
+    }
+    ImGui::Text("Generation: %zu", context_.world->getCycle());
+    ImGui::End();}
+
 } // namespace gol