IO: (BREAKING) moved io.GetClipboardTextFn, io.SetClipboardTextFn to platform_io.Platform_GetClipboardTextFn, platform_io.Platform_SetClipboardTextFn.

2024-08-22 17:50:10 +02:00 · 2024-08-22 17:50:10 +02:00 · 214977e5fd
parent e54f240ea0
commit 214977e5fd
9 changed files with 90 additions and 53 deletions
--- a/backends/imgui_impl_allegro5.cpp
+++ b/backends/imgui_impl_allegro5.cpp
@ -20,6 +20,9 @@

 // CHANGELOG
 // (minor and older changes stripped away, please see git history for details)
+//  2024-08-22: moved some OS/backend related function pointers from ImGuiIO to ImGuiPlatformIO:
+//               - io.GetClipboardTextFn    -> platform_io.Platform_GetClipboardTextFn
+//               - io.SetClipboardTextFn    -> platform_io.Platform_SetClipboardTextFn
 //  2022-11-30: Renderer: Restoring using al_draw_indexed_prim() when Allegro version is >= 5.2.5.
 //  2022-10-11: Using 'nullptr' instead of 'NULL' as per our switch to C++11.
 //  2022-09-26: Inputs: Renamed ImGuiKey_ModXXX introduced in 1.87 to ImGuiMod_XXX (old names still supported).
@ -291,7 +294,7 @@ void ImGui_ImplAllegro5_InvalidateDeviceObjects()
 }

 #if ALLEGRO_HAS_CLIPBOARD
-static const char* ImGui_ImplAllegro5_GetClipboardText(void*)
+static const char* ImGui_ImplAllegro5_GetClipboardText(ImGuiContext*)
 {
    ImGui_ImplAllegro5_Data* bd = ImGui_ImplAllegro5_GetBackendData();
    if (bd->ClipboardTextData)
@ -300,7 +303,7 @@ static const char* ImGui_ImplAllegro5_GetClipboardText(void*)
    return bd->ClipboardTextData;
 }

-static void ImGui_ImplAllegro5_SetClipboardText(void*, const char* text)
+static void ImGui_ImplAllegro5_SetClipboardText(ImGuiContext*, const char* text)
 {
    ImGui_ImplAllegro5_Data* bd = ImGui_ImplAllegro5_GetBackendData();
    al_set_clipboard_text(bd->Display, text);
@ -447,9 +450,9 @@ bool ImGui_ImplAllegro5_Init(ALLEGRO_DISPLAY* display)
    bd->VertexDecl = al_create_vertex_decl(elems, sizeof(ImDrawVertAllegro));

 #if ALLEGRO_HAS_CLIPBOARD
-    io.SetClipboardTextFn = ImGui_ImplAllegro5_SetClipboardText;
-    io.GetClipboardTextFn = ImGui_ImplAllegro5_GetClipboardText;
-    io.ClipboardUserData = nullptr;
+    ImGuiPlatformIO& platform_io = ImGui::GetPlatformIO();
+    platform_io.Platform_SetClipboardTextFn = ImGui_ImplAllegro5_SetClipboardText;
+    platform_io.Platform_GetClipboardTextFn = ImGui_ImplAllegro5_GetClipboardText;
 #endif

    return true;
--- a/backends/imgui_impl_glfw.cpp
+++ b/backends/imgui_impl_glfw.cpp
@ -20,7 +20,9 @@

 // CHANGELOG
 // (minor and older changes stripped away, please see git history for details)
-//  2024-08-22: Follow up on function pointers moved from ImGuiIO to ImGuiPlatformIO:
+//  2024-08-22: moved some OS/backend related function pointers from ImGuiIO to ImGuiPlatformIO:
+//               - io.GetClipboardTextFn    -> platform_io.Platform_GetClipboardTextFn
+//               - io.SetClipboardTextFn    -> platform_io.Platform_SetClipboardTextFn
 //               - io.PlatformOpenInShellFn -> platform_io.Platform_OpenInShellFn
 //  2024-07-31: Added ImGui_ImplGlfw_Sleep() helper function for usage by our examples app, since GLFW doesn't provide one.
 //  2024-07-08: *BREAKING* Renamed ImGui_ImplGlfw_InstallEmscriptenCanvasResizeCallback to ImGui_ImplGlfw_InstallEmscriptenCallbacks(), added GLFWWindow* parameter.
--- a/backends/imgui_impl_osx.mm
+++ b/backends/imgui_impl_osx.mm
@ -29,7 +29,9 @@

 // CHANGELOG
 // (minor and older changes stripped away, please see git history for details)
-//  2024-08-22: Follow up on function pointers moved from ImGuiIO to ImGuiPlatformIO:
+//  2024-08-22: moved some OS/backend related function pointers from ImGuiIO to ImGuiPlatformIO:
+//               - io.GetClipboardTextFn    -> platform_io.Platform_GetClipboardTextFn
+//               - io.SetClipboardTextFn    -> platform_io.Platform_SetClipboardTextFn
 //               - io.PlatformSetImeDataFn  -> platform_io.Platform_SetImeDataFn
 //  2024-07-02: Update for io.SetPlatformImeDataFn() -> io.PlatformSetImeDataFn() renaming in main library.
 //  2023-10-05: Inputs: Added support for extra ImGuiKey values: F13 to F20 function keys. Stopped mapping F13 into PrintScreen.
@ -395,6 +397,7 @@ IMGUI_IMPL_API void ImGui_ImplOSX_NewFrame(void* _Nullable view) {
 bool ImGui_ImplOSX_Init(NSView* view)
 {
    ImGuiIO& io = ImGui::GetIO();
+    ImGuiPlatformIO& platform_io = ImGui::GetPlatformIO();
    IMGUI_CHECKVERSION();
    IM_ASSERT(io.BackendPlatformUserData == nullptr && "Already initialized a platform backend!");

@ -425,14 +428,14 @@ bool ImGui_ImplOSX_Init(NSView* view)
    // Note that imgui.cpp also include default OSX clipboard handlers which can be enabled
    // by adding '#define IMGUI_ENABLE_OSX_DEFAULT_CLIPBOARD_FUNCTIONS' in imconfig.h and adding '-framework ApplicationServices' to your linker command-line.
    // Since we are already in ObjC land here, it is easy for us to add a clipboard handler using the NSPasteboard api.
-    io.SetClipboardTextFn = [](void*, const char* str) -> void
+    platform_io.Platform_SetClipboardTextFn = [](ImGuiContext*, const char* str) -> void
    {
        NSPasteboard* pasteboard = [NSPasteboard generalPasteboard];
        [pasteboard declareTypes:[NSArray arrayWithObject:NSPasteboardTypeString] owner:nil];
        [pasteboard setString:[NSString stringWithUTF8String:str] forType:NSPasteboardTypeString];
    };

-    io.GetClipboardTextFn = [](void*) -> const char*
+    platform_io.Platform_GetClipboardTextFn = [](ImGuiContext*) -> const char*
    {
        NSPasteboard* pasteboard = [NSPasteboard generalPasteboard];
        NSString* available = [pasteboard availableTypeFromArray: [NSArray arrayWithObject:NSPasteboardTypeString]];
@ -467,7 +470,6 @@ bool ImGui_ImplOSX_Init(NSView* view)
    [view addSubview:bd->KeyEventResponder];
    ImGui_ImplOSX_AddTrackingArea(view);

-    ImGuiPlatformIO& platform_io = ImGui::GetPlatformIO();
    platform_io.Platform_SetImeDataFn = [](ImGuiContext*, ImGuiViewport* viewport, ImGuiPlatformImeData* data) -> void
    {
        ImGui_ImplOSX_Data* bd = ImGui_ImplOSX_GetBackendData();
--- a/backends/imgui_impl_sdl2.cpp
+++ b/backends/imgui_impl_sdl2.cpp
@ -21,7 +21,9 @@

 // CHANGELOG
 // (minor and older changes stripped away, please see git history for details)
-//  2024-08-22: Follow up on function pointers moved from ImGuiIO to ImGuiPlatformIO:
+//  2024-08-22: moved some OS/backend related function pointers from ImGuiIO to ImGuiPlatformIO:
+//               - io.GetClipboardTextFn    -> platform_io.Platform_GetClipboardTextFn
+//               - io.SetClipboardTextFn    -> platform_io.Platform_SetClipboardTextFn
 //               - io.PlatformOpenInShellFn -> platform_io.Platform_OpenInShellFn
 //               - io.PlatformSetImeDataFn  -> platform_io.Platform_SetImeDataFn
 //  2024-08-19: Storing SDL's Uint32 WindowID inside ImGuiViewport::PlatformHandle instead of SDL_Window*.
@ -146,7 +148,7 @@ static ImGui_ImplSDL2_Data* ImGui_ImplSDL2_GetBackendData()
 }

 // Functions
-static const char* ImGui_ImplSDL2_GetClipboardText(void*)
+static const char* ImGui_ImplSDL2_GetClipboardText(ImGuiContext*)
 {
    ImGui_ImplSDL2_Data* bd = ImGui_ImplSDL2_GetBackendData();
    if (bd->ClipboardTextData)
@ -155,7 +157,7 @@ static const char* ImGui_ImplSDL2_GetClipboardText(void*)
    return bd->ClipboardTextData;
 }

-static void ImGui_ImplSDL2_SetClipboardText(void*, const char* text)
+static void ImGui_ImplSDL2_SetClipboardText(ImGuiContext*, const char* text)
 {
    SDL_SetClipboardText(text);
 }
@ -462,9 +464,9 @@ static bool ImGui_ImplSDL2_Init(SDL_Window* window, SDL_Renderer* renderer, void
    bd->MouseCanUseGlobalState = mouse_can_use_global_state;

    ImGuiPlatformIO& platform_io = ImGui::GetPlatformIO();
-    io.SetClipboardTextFn = ImGui_ImplSDL2_SetClipboardText;
-    io.GetClipboardTextFn = ImGui_ImplSDL2_GetClipboardText;
-    io.ClipboardUserData = nullptr;
+    platform_io.Platform_SetClipboardTextFn = ImGui_ImplSDL2_SetClipboardText;
+    platform_io.Platform_GetClipboardTextFn = ImGui_ImplSDL2_GetClipboardText;
+    platform_io.Platform_ClipboardUserData = nullptr;
    platform_io.Platform_SetImeDataFn = ImGui_ImplSDL2_PlatformSetImeData;
 #ifdef __EMSCRIPTEN__
    platform_io.Platform_OpenInShellFn = [](ImGuiContext*, const char* url) { ImGui_ImplSDL2_EmscriptenOpenURL(url); return true; };
--- a/backends/imgui_impl_sdl3.cpp
+++ b/backends/imgui_impl_sdl3.cpp
@ -21,7 +21,9 @@

 // CHANGELOG
 // (minor and older changes stripped away, please see git history for details)
-//  2024-08-22: Follow up on function pointers moved from ImGuiIO to ImGuiPlatformIO:
+//  2024-08-22: moved some OS/backend related function pointers from ImGuiIO to ImGuiPlatformIO:
+//               - io.GetClipboardTextFn    -> platform_io.Platform_GetClipboardTextFn
+//               - io.SetClipboardTextFn    -> platform_io.Platform_SetClipboardTextFn
 //               - io.PlatformSetImeDataFn  -> platform_io.Platform_SetImeDataFn
 //  2024-08-19: Storing SDL_WindowID inside ImGuiViewport::PlatformHandle instead of SDL_Window*.
 //  2024-08-19: ImGui_ImplSDL3_ProcessEvent() now ignores events intended for other SDL windows. (#7853)
@ -118,7 +120,7 @@ static ImGui_ImplSDL3_Data* ImGui_ImplSDL3_GetBackendData()
 }

 // Functions
-static const char* ImGui_ImplSDL3_GetClipboardText(void*)
+static const char* ImGui_ImplSDL3_GetClipboardText(ImGuiContext*)
 {
    ImGui_ImplSDL3_Data* bd = ImGui_ImplSDL3_GetBackendData();
    if (bd->ClipboardTextData)
@ -128,7 +130,7 @@ static const char* ImGui_ImplSDL3_GetClipboardText(void*)
    return bd->ClipboardTextData;
 }

-static void ImGui_ImplSDL3_SetClipboardText(void*, const char* text)
+static void ImGui_ImplSDL3_SetClipboardText(ImGuiContext*, const char* text)
 {
    SDL_SetClipboardText(text);
 }
@ -457,9 +459,8 @@ static bool ImGui_ImplSDL3_Init(SDL_Window* window, SDL_Renderer* renderer, void
    bd->MouseCanUseGlobalState = mouse_can_use_global_state;

    ImGuiPlatformIO& platform_io = ImGui::GetPlatformIO();
-    io.SetClipboardTextFn = ImGui_ImplSDL3_SetClipboardText;
-    io.GetClipboardTextFn = ImGui_ImplSDL3_GetClipboardText;
-    io.ClipboardUserData = nullptr;
+    platform_io.Platform_SetClipboardTextFn = ImGui_ImplSDL3_SetClipboardText;
+    platform_io.Platform_GetClipboardTextFn = ImGui_ImplSDL3_GetClipboardText;
    platform_io.Platform_SetImeDataFn = ImGui_ImplSDL3_PlatformSetImeData;

    // Gamepad handling
--- a/docs/CHANGELOG.txt
+++ b/docs/CHANGELOG.txt
@ -41,10 +41,18 @@ HOW TO UPDATE?

 Breaking changes:

- IO: moved some functions from ImGuiIO to ImGuiPlatformIO:
-    - io.PlatformOpenInShellFn      -> platform_io.Platform_OpenInShellFn. (#7660)
-    - io.PlatformSetImeDataFn       -> platform_io.Platform_SetImeDataFn.
-    - io.PlatformLocaleDecimalPoint -> platform_io.Platform_LocaleDecimalPoint. (#7389, #6719, #2278)
+- IO: moved clipboard functions from ImGuiIO to ImGuiPlatformIO:
+    - io.GetClipboardTextFn         -> platform_io.Platform_GetClipboardTextFn
+    - io.SetClipboardTextFn         -> platform_io.Platform_SetClipboardTextFn
+    - in function signatures, changed 'void* user_data' to 'ImGuiContext* ctx' for consistency
+      with other functions. Pull your user data from platform_io.ClipboardUserData if used.
+    - as this is will affect all users of custom engines/backends, we are providing proper
+      legacy redirection (will obsolete).
+- IO: moved other functions from ImGuiIO to ImGuiPlatformIO:
+    - io.PlatformOpenInShellFn      -> platform_io.Platform_OpenInShellFn (#7660)
+    - io.PlatformSetImeDataFn       -> platform_io.Platform_SetImeDataFn
+    - io.PlatformLocaleDecimalPoint -> platform_io.Platform_LocaleDecimalPoint (#7389, #6719, #2278)
+    - clipboard function signature changed:
    - access those via GetPlatformIO() instead of GetIO().
  (Because PlatformOpenInShellFn and PlatformSetImeDataFn were introduced very recently and
  often automatically set by core library and backends, we are exceptionally not maintaining
@ -76,6 +84,8 @@ Other changes:
 - 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.
+- Backends: SDL2, SDL3, GLFW, OSX, Allegro: update to set function handlers in ImGuiPlatformIO
+  instead of ImGuiIO.
 - 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)

--- a/imgui.cpp
+++ b/imgui.cpp
@ -431,6 +431,8 @@ CODE
 You can read releases logs https://github.com/ocornut/imgui/releases for more details.

 - 2024/08/22 (1.91.1) - moved some functions from ImGuiIO to ImGuiPlatformIO structure:
+                            - io.GetClipboardTextFn         -> platform_io.Platform_GetClipboardTextFn + changed 'void* user_data' to 'ImGuiContext* ctx'. Pull your user data from platform_io.ClipboardUserData.
+                            - io.SetClipboardTextFn         -> platform_io.Platform_SetClipboardTextFn + same as above line.
                            - io.PlatformOpenInShellFn      -> platform_io.Platform_OpenInShellFn (#7660)
                            - io.PlatformSetImeDataFn       -> platform_io.Platform_SetImeDataFn
                            - io.PlatformLocaleDecimalPoint -> platform_io.Platform_LocaleDecimalPoint (#7389, #6719, #2278)
@ -1146,9 +1148,9 @@ static void             WindowSettingsHandler_ReadLine(ImGuiContext*, ImGuiSetti
 static void             WindowSettingsHandler_ApplyAll(ImGuiContext*, ImGuiSettingsHandler*);
 static void             WindowSettingsHandler_WriteAll(ImGuiContext*, ImGuiSettingsHandler*, ImGuiTextBuffer* buf);

-// Platform Dependents default implementation for IO functions
-static const char*      GetClipboardTextFn_DefaultImpl(void* user_data_ctx);
-static void             SetClipboardTextFn_DefaultImpl(void* user_data_ctx, const char* text);
+// Platform Dependents default implementation for ImGuiPlatformIO functions
+static const char*      Platform_GetClipboardTextFn_DefaultImpl(ImGuiContext* ctx);
+static void             Platform_SetClipboardTextFn_DefaultImpl(ImGuiContext* ctx, const char* text);
 static void             Platform_SetImeDataFn_DefaultImpl(ImGuiContext* ctx, ImGuiViewport* viewport, ImGuiPlatformImeData* data);
 static bool             Platform_OpenInShellFn_DefaultImpl(ImGuiContext* ctx, const char* path);

@ -3806,10 +3808,9 @@ void ImGui::Initialize()
    // Setup default localization table
    LocalizeRegisterEntries(GLocalizationEntriesEnUS, IM_ARRAYSIZE(GLocalizationEntriesEnUS));

-    // Setup default platform clipboard/IME handlers.
-    g.IO.GetClipboardTextFn = GetClipboardTextFn_DefaultImpl;    // Platform dependent default implementations
-    g.IO.SetClipboardTextFn = SetClipboardTextFn_DefaultImpl;
-    g.IO.ClipboardUserData = (void*)&g;                          // Default implementation use the ImGuiContext as user data (ideally those would be arguments to the function)
+    // Setup default ImGuiPlatformIO clipboard/IME handlers.
+    g.PlatformIO.Platform_GetClipboardTextFn = Platform_GetClipboardTextFn_DefaultImpl;    // Platform dependent default implementations
+    g.PlatformIO.Platform_SetClipboardTextFn = Platform_SetClipboardTextFn_DefaultImpl;
    g.PlatformIO.Platform_OpenInShellFn = Platform_OpenInShellFn_DefaultImpl;
    g.PlatformIO.Platform_SetImeDataFn = Platform_SetImeDataFn_DefaultImpl;

@ -4451,14 +4452,14 @@ void ImGui::DebugAllocHook(ImGuiDebugAllocInfo* info, int frame_count, void* ptr
 const char* ImGui::GetClipboardText()
 {
    ImGuiContext& g = *GImGui;
-    return g.IO.GetClipboardTextFn ? g.IO.GetClipboardTextFn(g.IO.ClipboardUserData) : "";
+    return g.PlatformIO.Platform_GetClipboardTextFn ? g.PlatformIO.Platform_GetClipboardTextFn(&g) : "";
 }

 void ImGui::SetClipboardText(const char* text)
 {
    ImGuiContext& g = *GImGui;
-    if (g.IO.SetClipboardTextFn)
-        g.IO.SetClipboardTextFn(g.IO.ClipboardUserData, text);
+    if (g.PlatformIO.Platform_SetClipboardTextFn != NULL)
+        g.PlatformIO.Platform_SetClipboardTextFn(&g, text);
 }

 const char* ImGui::GetVersion()
@ -10096,6 +10097,14 @@ static void ImGui::ErrorCheckNewFrameSanityChecks()
    if ((g.IO.ConfigFlags & ImGuiConfigFlags_NavEnableKeyboard) && g.IO.BackendUsingLegacyKeyArrays == 1)
        IM_ASSERT(g.IO.KeyMap[ImGuiKey_Space] != -1 && "ImGuiKey_Space is not mapped, required for keyboard navigation.");
 #endif
+
+    // Remap legacy clipboard handlers (OBSOLETED in 1.91.1, August 2024)
+#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS
+    if (g.IO.GetClipboardTextFn != NULL && (g.PlatformIO.Platform_GetClipboardTextFn == NULL || g.PlatformIO.Platform_GetClipboardTextFn == Platform_GetClipboardTextFn_DefaultImpl))
+        g.PlatformIO.Platform_GetClipboardTextFn = [](ImGuiContext* ctx) { return ctx->IO.GetClipboardTextFn(ctx->IO.ClipboardUserData); };
+    if (g.IO.SetClipboardTextFn != NULL && (g.PlatformIO.Platform_SetClipboardTextFn == NULL || g.PlatformIO.Platform_SetClipboardTextFn == Platform_SetClipboardTextFn_DefaultImpl))
+        g.PlatformIO.Platform_SetClipboardTextFn = [](ImGuiContext* ctx, const char* text) { return ctx->IO.SetClipboardTextFn(ctx->IO.ClipboardUserData, text); };
+#endif
 }

 static void ImGui::ErrorCheckEndFrameSanityChecks()
@ -14347,9 +14356,9 @@ static void ImGui::UpdateViewportsNewFrame()

 // Win32 clipboard implementation
 // We use g.ClipboardHandlerData for temporary storage to ensure it is freed on Shutdown()
-static const char* GetClipboardTextFn_DefaultImpl(void* user_data_ctx)
+static const char* Platform_GetClipboardTextFn_DefaultImpl(ImGuiContext* ctx)
 {
-    ImGuiContext& g = *(ImGuiContext*)user_data_ctx;
+    ImGuiContext& g = *ctx;
    g.ClipboardHandlerData.clear();
    if (!::OpenClipboard(NULL))
        return NULL;
@ -14370,7 +14379,7 @@ static const char* GetClipboardTextFn_DefaultImpl(void* user_data_ctx)
    return g.ClipboardHandlerData.Data;
 }

-static void SetClipboardTextFn_DefaultImpl(void*, const char* text)
+static void Platform_SetClipboardTextFn_DefaultImpl(ImGuiContext*, const char* text)
 {
    if (!::OpenClipboard(NULL))
        return;
@ -14397,7 +14406,7 @@ static PasteboardRef main_clipboard = 0;

 // OSX clipboard implementation
 // If you enable this you will need to add '-framework ApplicationServices' to your linker command-line!
-static void SetClipboardTextFn_DefaultImpl(void*, const char* text)
+static void Platform_SetClipboardTextFn_DefaultImpl(ImGuiContext*, const char* text)
 {
    if (!main_clipboard)
        PasteboardCreate(kPasteboardClipboard, &main_clipboard);
@ -14410,9 +14419,9 @@ static void SetClipboardTextFn_DefaultImpl(void*, const char* text)
    }
 }

-static const char* GetClipboardTextFn_DefaultImpl(void* user_data_ctx)
+static const char* Platform_GetClipboardTextFn_DefaultImpl(ImGuiContext* ctx)
 {
-    ImGuiContext& g = *(ImGuiContext*)user_data_ctx;
+    ImGuiContext& g = *ctx;
    if (!main_clipboard)
        PasteboardCreate(kPasteboardClipboard, &main_clipboard);
    PasteboardSynchronize(main_clipboard);
@ -14446,15 +14455,15 @@ static const char* GetClipboardTextFn_DefaultImpl(void* user_data_ctx)
 #else

 // Local Dear ImGui-only clipboard implementation, if user hasn't defined better clipboard handlers.
-static const char* GetClipboardTextFn_DefaultImpl(void* user_data_ctx)
+static const char* Platform_GetClipboardTextFn_DefaultImpl(ImGuiContext* ctx)
 {
-    ImGuiContext& g = *(ImGuiContext*)user_data_ctx;
+    ImGuiContext& g = *ctx;
    return g.ClipboardHandlerData.empty() ? NULL : g.ClipboardHandlerData.begin();
 }

-static void SetClipboardTextFn_DefaultImpl(void* user_data_ctx, const char* text)
+static void Platform_SetClipboardTextFn_DefaultImpl(ImGuiContext* ctx, const char* text)
 {
-    ImGuiContext& g = *(ImGuiContext*)user_data_ctx;
+    ImGuiContext& g = *ctx;
    g.ClipboardHandlerData.clear();
    const char* text_end = text + strlen(text);
    g.ClipboardHandlerData.resize((int)(text_end - text) + 1);
--- a/imgui.h
+++ b/imgui.h
@ -2289,12 +2289,6 @@ struct ImGuiIO
    void*       BackendRendererUserData;        // = NULL           // User data for renderer backend
    void*       BackendLanguageUserData;        // = NULL           // User data for non C++ programming language backend

-    // Optional: Access OS clipboard
-    // (default to use native Win32 clipboard on Windows, otherwise uses a private clipboard. Override to access OS clipboard on other architectures)
-    const char* (*GetClipboardTextFn)(void* user_data);
-    void        (*SetClipboardTextFn)(void* user_data, const char* text);
-    void*       ClipboardUserData;
-
    //------------------------------------------------------------------
    // Input - Call before calling NewFrame()
    //------------------------------------------------------------------
@ -2396,6 +2390,14 @@ struct ImGuiIO
    //void*     ImeWindowHandle;                    // [Obsoleted in 1.87] Set ImGuiViewport::PlatformHandleRaw instead. Set this to your HWND to get automatic IME cursor positioning.
 #endif

+    // Legacy: before 1.91.1, clipboard functions were stored in ImGuiIO instead of ImGuiPlatformIO.
+    // As this is will affect all users of custom engines/backends, we are providing proper legacy redirection (will obsolete).
+#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS
+    const char* (*GetClipboardTextFn)(void* user_data);
+    void        (*SetClipboardTextFn)(void* user_data, const char* text);
+    void*       ClipboardUserData;
+#endif
+
    IMGUI_API   ImGuiIO();
 };

@ -3483,6 +3485,12 @@ struct ImGuiPlatformIO
    // Inputs - Interface with OS/backends
    //------------------------------------------------------------------

+    // Optional: Access OS clipboard
+    // (default to use native Win32 clipboard on Windows, otherwise uses a private clipboard. Override to access OS clipboard on other architectures)
+    const char* (*Platform_GetClipboardTextFn)(ImGuiContext* ctx);
+    void        (*Platform_SetClipboardTextFn)(ImGuiContext* ctx, const char* text);
+    void*       Platform_ClipboardUserData;
+
    // Optional: Open link/folder/file in OS Shell
    // (default to use ShellExecuteA() on Windows, system() on Linux/Mac)
    bool        (*Platform_OpenInShellFn)(ImGuiContext* ctx, const char* path);
--- a/imgui_widgets.cpp
+++ b/imgui_widgets.cpp
@ -4740,7 +4740,7 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
        else if (is_cut || is_copy)
        {
            // Cut, Copy
-            if (io.SetClipboardTextFn)
+            if (g.PlatformIO.Platform_SetClipboardTextFn != NULL)
            {
                const int ib = state->HasSelection() ? ImMin(state->Stb.select_start, state->Stb.select_end) : 0;
                const int ie = state->HasSelection() ? ImMax(state->Stb.select_start, state->Stb.select_end) : state->CurLenW;