add chat gui, probably works

src/chat_gui4.hpp

@@ -0,0 +1,45 @@
+#pragma once
+
+#include <solanaceae/message3/registry_message_model.hpp>
+
+#include "./texture_uploader.hpp"
+#include "./file_selector.hpp"
+
+#include <vector>
+#include <set>
+
+class ChatGui4 {
+	RegistryMessageModel& _rmm;
+	Contact3Registry& _cr;
+
+	FileSelector _fss;
+
+	std::optional<Contact3> _selected_contact;
+
+	bool _show_chat_extra_info {true};
+
+	float TEXT_BASE_WIDTH {1};
+	float TEXT_BASE_HEIGHT {1};
+
+	public:
+		ChatGui4(
+			RegistryMessageModel& rmm,
+			Contact3Registry& cr,
+			TextureUploaderI& tu
+		);
+
+	public:
+		void render(void);
+
+	private:
+		void renderMessageBodyText(Message3Registry& reg, const Message3 e);
+		void renderMessageBodyFile(Message3Registry& reg, const Message3 e);
+		void renderMessageExtra(Message3Registry& reg, const Message3 e);
+
+		void renderContactList(void);
+		bool renderContactListContactBig(const Contact3 c);
+		bool renderContactListContactSmall(const Contact3 c);
+		bool renderSubContactListContact(const Contact3 c);
+};
+
+