From f1f869acf72df2ed5afe0973d3c443cda56116ec Mon Sep 17 00:00:00 2001
From: Alex Sanchez-Stern <alex.sanchezstern@gmail.com>
Date: Thu, 3 Oct 2024 13:01:59 -0700
Subject: [PATCH] Hooks to allow serving non-text selections

---
 include/GLFW/glfw3native.h |  7 +++++++
 src/x11_init.c             |  2 ++
 src/x11_platform.h         |  2 ++
 src/x11_window.c           | 12 +++++++++++-
 4 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/include/GLFW/glfw3native.h b/include/GLFW/glfw3native.h
index 011b239c..d4daa1f5 100644
--- a/include/GLFW/glfw3native.h
+++ b/include/GLFW/glfw3native.h
@@ -442,6 +442,13 @@ GLFWAPI void glfwSetX11SelectionString(const char* string);
  *  @ingroup native
  */
 GLFWAPI const char* glfwGetX11SelectionString(void);
+
+#include <X11/Xlib.h>
+extern void (*handleSelectionRequest)(XEvent*);
+void (*getSelectionRequestHandler(void))(XEvent*);
+void setSelectionRequestHandler(void (*handler)(XEvent*));
+Display* getGLFWDisplay(void);
+
 #endif
 
 #if defined(GLFW_EXPOSE_NATIVE_GLX)
diff --git a/src/x11_init.c b/src/x11_init.c
index 982c526c..33b827af 100644
--- a/src/x11_init.c
+++ b/src/x11_init.c
@@ -1314,6 +1314,8 @@ GLFWbool _glfwConnectX11(int platformID, _GLFWplatform* platform)
     _glfw.x11.xlib.handle = module;
 
     *platform = x11;
+
+    handleSelectionRequest = handleSelectionRequest_;
     return GLFW_TRUE;
 }
 
diff --git a/src/x11_platform.h b/src/x11_platform.h
index 30326c5b..63fb893c 100644
--- a/src/x11_platform.h
+++ b/src/x11_platform.h
@@ -896,6 +896,8 @@ typedef struct _GLFWcursorX11
     Cursor handle;
 } _GLFWcursorX11;
 
+extern void (*handleSelectionRequest)(XEvent*);
+void handleSelectionRequest_(XEvent* event);
 
 GLFWbool _glfwConnectX11(int platformID, _GLFWplatform* platform);
 int _glfwInitX11(void);
diff --git a/src/x11_window.c b/src/x11_window.c
index 322349f0..787004d1 100644
--- a/src/x11_window.c
+++ b/src/x11_window.c
@@ -921,7 +921,8 @@ static Atom writeTargetToProperty(const XSelectionRequestEvent* request)
     return None;
 }
 
-static void handleSelectionRequest(XEvent* event)
+void (*handleSelectionRequest)(XEvent*);
+void handleSelectionRequest_(XEvent* event)
 {
     const XSelectionRequestEvent* request = &event->xselectionrequest;
 
@@ -3356,6 +3357,15 @@ GLFWAPI const char* glfwGetX11SelectionString(void)
 
     return getSelectionString(_glfw.x11.PRIMARY);
 }
+void (*getSelectionRequestHandler(void))(XEvent*) {
+    return handleSelectionRequest;
+}
+void setSelectionRequestHandler(void (*handler)(XEvent*)) {
+    handleSelectionRequest = handler;
+}
+Display* getGLFWDisplay(void) {
+    return _glfw.x11.display;
+}
 
 #endif // _GLFW_X11