Add README and LICENSE

0001-linux-window-server-sdl2.patch

@@ -1,6 +1,6 @@
-From 075f6a11926e247ba64efd25a3acf7a3d3be0bbc Mon Sep 17 00:00:00 2001
+From c9dd87198ce5262e6ddf6bf3b0c18eb84784d35e Mon Sep 17 00:00:00 2001
 From: Oskari Alaranta <oskari.alaranta@bananymous.com>
-Date: Wed, 15 Apr 2026 16:51:16 +0300
+Date: Wed, 15 Apr 2026 17:52:54 +0300
 Subject: [PATCH] linux-window-server-sdl2
 
 ---
@@ -13,8 +13,8 @@ Subject: [PATCH] linux-window-server-sdl2
  userspace/programs/WindowServer/Window.cpp    |  29 +-
  .../programs/WindowServer/WindowServer.cpp    |  47 ++-
  .../programs/WindowServer/WindowServer.h      |   1 +
- userspace/programs/WindowServer/main.cpp      | 362 ++++++++++++------
+ userspace/programs/WindowServer/main.cpp      | 357 ++++++++++++------
- 10 files changed, 338 insertions(+), 173 deletions(-)
+ 10 files changed, 340 insertions(+), 166 deletions(-)
 
 diff --git a/userspace/libraries/LibGUI/Widget/Widget.cpp b/userspace/libraries/LibGUI/Widget/Widget.cpp
 index d6489d87..c532fb04 100644
@@ -376,7 +376,7 @@ index 94fbc774..bcd7a6b9 100644
  private:
  	void on_mouse_move_impl(int32_t new_x, int32_t new_y);
 diff --git a/userspace/programs/WindowServer/main.cpp b/userspace/programs/WindowServer/main.cpp
-index 41bd7e8c..cb066bd3 100644
+index 46f2ba6d..520c8e7d 100644
 --- a/userspace/programs/WindowServer/main.cpp
 +++ b/userspace/programs/WindowServer/main.cpp
 @@ -10,7 +10,6 @@
@@ -425,7 +425,7 @@ index 41bd7e8c..cb066bd3 100644
  		signal(sig, exit);
  	for (int sig : non_terminating_signals)
  		signal(sig, SIG_DFL);
-@@ -208,55 +202,10 @@ int main()
+@@ -208,51 +202,15 @@ int main()
  		signal(sig, SIG_IGN);
  
  	MUST(LibInput::KeyboardLayout::initialize());
@@ -469,20 +469,18 @@ index 41bd7e8c..cb066bd3 100644
  	dprintln("Window server started");
  
 -	if (access("/usr/bin/xbanan", X_OK) == 0)
--	{
++	if (access("./build/xbanan/xbanan", X_OK) == 0)
--		if (fork() == 0)
+ 	{
--		{
+ 		if (fork() == 0)
+ 		{
 -			dup2(STDDBG_FILENO, STDOUT_FILENO);
 -			dup2(STDDBG_FILENO, STDERR_FILENO);
 -			execl("/usr/bin/xbanan", "xbanan", NULL);
--			exit(1);
++			execl("./build/xbanan/xbanan", "xbanan", NULL);
--		}
+ 			exit(1);
--	}
+ 		}
--
+ 	}
- 	auto config = parse_config();
+@@ -276,26 +234,23 @@ int main()
- 
- 	WindowServer window_server(framebuffer, config.corner_radius);
-@@ -276,26 +225,23 @@ int main()
  	uint64_t last_sync_us = get_current_us() - sync_interval_us;
  	while (!window_server.is_stopped())
  	{
@@ -520,7 +518,7 @@ index 41bd7e8c..cb066bd3 100644
  		if (epoll_events == -1 && errno != EINTR)
  		{
  			dwarnln("epoll_pwait2: {}", strerror(errno));
-@@ -333,48 +279,6 @@ int main()
+@@ -333,48 +288,6 @@ int main()
  				continue;
  			}
  
@@ -569,7 +567,7 @@ index 41bd7e8c..cb066bd3 100644
  			const int client_fd = events[i].data.fd;
  			if (events[i].events & (EPOLLHUP | EPOLLERR))
  			{
-@@ -500,3 +404,237 @@ int main()
+@@ -500,3 +413,237 @@ int main()
  		}
  	}
  }

LICENSE

@@ -0,0 +1,24 @@
+BSD 2-Clause License
+
+Copyright (c) 2026, Oskari Alaranta
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this
+   list of conditions and the following disclaimer.
+
+2. Redistributions in binary form must reproduce the above copyright notice,
+   this list of conditions and the following disclaimer in the documentation
+   and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

README.md

@@ -0,0 +1,29 @@
+# xbanan
+
+An X11 compatibility layer for [banan-os's](https://git.bananymous.com/Bananymous/banan-os) native GUI windowing system.
+
+## Running on linux
+
+### Building
+```sh
+git clone --recursive https://git.bananymous.com/Bananymous/xbanan.git
+cd xbanan
+
+cd banan-os
+git apply ../0001-linux-window-server-sdl2.patch
+cd ..
+
+cmake -B build -S . -G Ninja
+cmake --build build
+```
+
+### Running
+
+To start the WindowServer, run the following command in project root
+```sh
+./build/banan-os/userspace/programs/WindowServer/WindowServer
+```
+To run X11 apps specify `DISPLAY=:69` environment variable. For example
+```sh
+DISPLAY=:69 xeyes
+```