Added console concept

engine/src/ui/panels/console_panel.hpp

@@ -0,0 +1,50 @@
+#pragma once
+
+#include <imgui.h>
+
+#include <functional>
+#include <sophia/frame_info.hpp>
+#include <sophia/ui/panel.hpp>
+#include <string>
+#include <vector>
+
+namespace sophia {
+
+class ConsolePanel : public Panel {
+ public:
+  using CommandCallback =
+      std::function<void(ConsolePanel&, const std::string&)>;
+
+  ConsolePanel() : Panel{"Console"} { registerDefaultCommands(); }
+
+  void onUpdate(const FrameInfo& frameInfo) override;
+
+  void log(const std::string& message);
+  void clear();
+
+  void setCommandCallback(CommandCallback callback) {
+    this->commandCallback = std::move(callback);
+  }
+
+ private:
+  struct Entry {
+    std::string text;
+    ImVec4 color;
+  };
+
+  void registerDefaultCommands();
+  void execute(const std::string& command);
+  int textEditCallback(struct ImGuiInputTextCallbackData* data);
+
+  std::vector<Entry> entries;
+  std::vector<std::string> history;
+  int historyPos = -1;
+
+  char inputBuffer[256] = {};
+  bool autoScroll = true;
+  bool scrollToBottom = false;
+
+  CommandCallback commandCallback;
+};
+
+}  // namespace sophia