Backends: GLFW: passing null window to glfwGetClipboardString()/glfwSetClipboardString().

backends/imgui_impl_glfw.cpp

@@ -176,14 +176,14 @@ static ImGui_ImplGlfw_Data* ImGui_ImplGlfw_GetBackendData()
 }
 
 // Functions
-static const char* ImGui_ImplGlfw_GetClipboardText(void* user_data)
+static const char* ImGui_ImplGlfw_GetClipboardText(void*)
 {
-    return glfwGetClipboardString((GLFWwindow*)user_data);
+    return glfwGetClipboardString(NULL);
 }
 
-static void ImGui_ImplGlfw_SetClipboardText(void* user_data, const char* text)
+static void ImGui_ImplGlfw_SetClipboardText(void*, const char* text)
 {
-    glfwSetClipboardString((GLFWwindow*)user_data, text);
+    glfwSetClipboardString(NULL, text);
 }
 
 static ImGuiKey ImGui_ImplGlfw_KeyToImGuiKey(int key)
@@ -588,7 +588,6 @@ static bool ImGui_ImplGlfw_Init(GLFWwindow* window, bool install_callbacks, Glfw
 
     io.SetClipboardTextFn = ImGui_ImplGlfw_SetClipboardText;
     io.GetClipboardTextFn = ImGui_ImplGlfw_GetClipboardText;
-    io.ClipboardUserData = bd->Window;
 #ifdef __EMSCRIPTEN__
     io.PlatformOpenInShellFn = [](ImGuiContext*, const char* url) { ImGui_ImplGlfw_EmscriptenOpenURL(url); return true; };
 #endif

docs/CHANGELOG.txt

@@ -62,6 +62,8 @@ Other changes:
   provide a way to do a portable sleep. (#7844)
 - Backends: SDL2, SDL3: ignore events of other SDL windows. (#7853) [@madebr, @ocornut]
 - Backends: SDL2, SDL3: storing SDL_WindowID inside ImGuiViewport::PlatformHandle instead of SDL_Window*.
+- Backends: GLFW: passing null window to glfwGetClipboardString()/glfwSetClipboardString()
+  since GLFW own tests are doing that and it seems unnecessary.
 - Examples: GLFW (all), SDL2 (all), SDL3 (all), Win32+OpenGL3: rework examples main loop
   to handle minimization without burning CPU or GPU by running unthrottled code. (#7844)