From eff21ee2ce1fdb4328d71d801352ec25f4e457ff Mon Sep 17 00:00:00 2001
From: littleblack111 <littleblack11111@gmail.com>
Date: Wed, 2 Apr 2025 18:49:15 +0800
Subject: feat: ftxui (#17)

* ready for merge

rm sum random ocmments first
and https://github.com/ArthurSonzogni/FTXUI/issues/1024

but still, ready for merge since we can't do anything on our end

* style: clang-tidy

* ci

* ci

* style: clang-tidy

* fix

* fix: scroll
https://github.com/ArthurSonzogni/git-tui/blob/master/src/scroller.cpp

* focus

* update todo

* style: clang-format

* update todo

* sticky scroll

* update todxo

* smol fix

need event to update screen.
so we just give event when IO updates

* style: clang-format

---------

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
---
 src/inputManager.cpp | 64 +++++++++++++++++++++++++++++++++++++++++-----------
 1 file changed, 51 insertions(+), 13 deletions(-)

(limited to 'src/inputManager.cpp')

diff --git a/src/inputManager.cpp b/src/inputManager.cpp
index 8de26bd..cc3880b 100644
--- a/src/inputManager.cpp
+++ b/src/inputManager.cpp
@@ -1,10 +1,43 @@
 #include "inputManager.hpp"
+#include "IOManager.hpp"
 #include "chatManager.hpp"
 #include "commandHandler.hpp"
 #include "log.hpp"
-#include <iostream>
+#include "renderManager.hpp"
+#include "scroller.hpp"
+
+CInputManager::CInputManager()
+	: m_input(ftxui::Input(&m_szInput, "Type here...", {.transform = [](ftxui::InputState state) {
+    state.element |= ftxui::bgcolor(ftxui::Color::HSVA(0, 0, 0, 0));
+    state.element |= ftxui::color(ftxui::Color::White);
+  return state.element; }, .multiline = false, .on_enter = [&] {
+											if (m_szInput.empty())
+												return;
+
+											g_pCommandHandler->isCommand(m_szInput) ? g_pCommandHandler->handleCommand(m_szInput) : g_pChatManager->newMessage({.msg = m_szInput, .username = "Server"});
+											m_szInput.clear(); }}) // NOLINT
+	  )
+	, inputComponent(ftxui::Renderer(m_input, [&] {
+		return ftxui::hbox({
+			ftxui::text("> "),
+			m_input->Render(),
+		});
+	}))
+	, logComponent(ftxui::Renderer([] {
+		std::vector<ftxui::Element> messages;
+		for (const auto &[chat, log] : g_pIOManager->getIO()) {
+			if (chat && !chat->msg.empty()) {
+				std::string username = chat->username;
+				if (username.back() == '\n')
+					username.pop_back();
+				messages.push_back(ftxui::window(ftxui::text(username), ftxui::paragraph(chat->msg)));
+			} else if (log && !log->log.empty())
+				messages.push_back(ftxui::window(ftxui::text(NFormatter::fmt(log->type, "")), ftxui::paragraph(log->log)));
+		}
+
+		return ftxui::vbox(messages);
+	})) {
 
-CInputManager::CInputManager() {
 	log(LOG, "InputManager: initialized");
 }
 
@@ -12,19 +45,24 @@ CInputManager::~CInputManager() {
 	log(SYS, "InputManager: bye");
 }
 
-void CInputManager::run() {
-	inputLoop();
+void CInputManager::updateIO() {
+	logComponent->OnEvent(ftxui::Event::Custom);
+	g_pRenderManager->screen.PostEvent(ftxui::Event::Custom);
 }
 
 void CInputManager::inputLoop() {
-	while (true) {
-		std::string input;
-		std::print("> ");
-		std::getline(std::cin, input);
-
-		if (input.empty())
-			continue;
+	container = logComponent |= ftxui::Scroller;
+	container = ftxui::ResizableSplitBottom(inputComponent, container, &bottomSize);
 
-		g_pCommandHandler->isCommand(input) ? g_pCommandHandler->handleCommand(input) : g_pChatManager->newMessage({.msg = input, .username = "Server"});
-	}
+	// FIXME: this shit spams TakeFocus(not ideal for power etc reasons)
+	// consider: custom loop, or just only allow focus to be inputComponent somehow
+	container |= ftxui::CatchEvent([&](ftxui::Event) {
+		inputComponent->TakeFocus();
+		return false;
+	});
+	g_pRenderManager->setRenderer(ftxui::Renderer(container, [this] {
+		return container->Render() | ftxui::border;
+	}));
+	inputComponent->TakeFocus();
+	g_pRenderManager->enterLoop();
 }
-- 
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