From 9b2e51b7559d02fa431f2575703dfe6a766ae7f7 Mon Sep 17 00:00:00 2001
From: Sergii Pylypenko <x.pelya.x@gmail.com>
Date: Fri, 10 Dec 2021 01:40:51 +0200
Subject: [PATCH] Copy server invite code to the clipboard automatically

---
 src/network/network_coordinator.cpp | 2 ++
 src/video/sdl2_v.cpp                | 5 +++++
 src/video/sdl_v.cpp                 | 7 +++++++
 src/video/video_driver.hpp          | 9 +++++++++
 4 files changed, 23 insertions(+)

diff --git a/src/network/network_coordinator.cpp b/src/network/network_coordinator.cpp
index c3fa2b5ce5..38fe20cd56 100644
--- a/src/network/network_coordinator.cpp
+++ b/src/network/network_coordinator.cpp
@@ -13,6 +13,7 @@
 #include "../rev.h"
 #include "../settings_type.h"
 #include "../strings_func.h"
+#include "../video/video_driver.hpp"
 #include "../window_func.h"
 #include "../window_type.h"
 #include "network.h"
@@ -193,6 +194,7 @@ bool ClientNetworkCoordinatorSocketHandler::Receive_GC_REGISTER_ACK(Packet *p)
 	 * and _settings_client.network.server_invite_code contains the one we will
 	 * attempt to re-use when registering again. */
 	_network_server_invite_code = _settings_client.network.server_invite_code;
+	VideoDriver::GetInstance()->SetClipboardContents(_network_server_invite_code);
 
 	SetWindowDirty(WC_CLIENT_LIST, 0);
 
diff --git a/src/video/sdl2_v.cpp b/src/video/sdl2_v.cpp
index 3c7b0cfff7..87221d6b15 100644
--- a/src/video/sdl2_v.cpp
+++ b/src/video/sdl2_v.cpp
@@ -604,6 +604,11 @@ void VideoDriver_SDL_Base::InputLoop()
 
 	if (old_ctrl_pressed != _ctrl_pressed) HandleCtrlChanged();
 	old_ctrl_pressed = _ctrl_pressed;
+
+	if (!this->set_clipboard_text.empty()) {
+		SDL_SetClipboardText(this->set_clipboard_text.c_str());
+		this->set_clipboard_text = "";
+	}
 }
 
 void VideoDriver_SDL_Base::LoopOnce()
diff --git a/src/video/sdl_v.cpp b/src/video/sdl_v.cpp
index 706704e7cd..11874e9ee1 100644
--- a/src/video/sdl_v.cpp
+++ b/src/video/sdl_v.cpp
@@ -711,6 +711,13 @@ void VideoDriver_SDL::InputLoop()
 
 	if (old_ctrl_pressed != _ctrl_pressed) HandleCtrlChanged();
 	old_ctrl_pressed = _ctrl_pressed;
+
+#ifdef __ANDROID__
+	if (!this->set_clipboard_text.empty()) {
+		SDL_SetClipboardText(this->set_clipboard_text.c_str());
+		this->set_clipboard_text = "";
+	}
+#endif /* __ANDROID__ */
 }
 
 void VideoDriver_SDL::MainLoop()
diff --git a/src/video/video_driver.hpp b/src/video/video_driver.hpp
index b87dc70529..5c277d3e55 100644
--- a/src/video/video_driver.hpp
+++ b/src/video/video_driver.hpp
@@ -193,6 +193,14 @@ public:
 
 	void GameLoopPause();
 
+	/**
+	 * Set clipboard contents, the video thread will call the OS clipboard API
+	 */
+	void SetClipboardContents(const std::string &text)
+	{
+		this->set_clipboard_text = text;
+	}
+
 	/**
 	 * Get the currently active instance of the video driver.
 	 */
@@ -342,6 +350,7 @@ protected:
 
 	bool fast_forward_key_pressed; ///< The fast-forward key is being pressed.
 	bool fast_forward_via_key; ///< The fast-forward was enabled by key press.
+	std::string set_clipboard_text; ///< New clipboard contents to set
 
 	bool is_game_threaded;
 	std::thread game_thread;