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Re-initialize default platform handlers on ClearPlatformHandlers

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Lukasz Stalmirski 2026-09-03 21:40:20 +02:00
parent 5316e70614
commit ea204ad9a3
1 changed files with 16 additions and 5 deletions
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21
imgui.cpp
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@ -1387,6 +1387,7 @@ static void WindowSettingsHandler_ApplyAll(ImGuiContext*, ImGuiSetti
static void WindowSettingsHandler_WriteAll(ImGuiContext*, ImGuiSettingsHandler*, ImGuiTextBuffer* buf);
// Platform Dependents default implementation for ImGuiPlatformIO functions
static void InitializePlatformHandlers(ImGuiPlatformIO&);
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);
@ -4485,11 +4486,8 @@ void ImGui::Initialize()
// Setup default localization table
LocalizeRegisterEntries(GLocalizationEntriesEnUS, IM_COUNTOF(GLocalizationEntriesEnUS));
// 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;
// Setup default platform handlers
InitializePlatformHandlers(g.PlatformIO);
// Setup session starting date
#ifndef IMGUI_DISABLE_TIME_FUNCTIONS
@ -16101,6 +16099,10 @@ void ImGuiPlatformIO::ClearPlatformHandlers()
Platform_OpenInShellUserData = NULL;
Platform_SetImeDataFn = NULL;
Platform_ImeUserData = NULL;
// Restore the platform handlers to the initial state.
// This prevents losing the functionality provided by Platform_*_DefaultImpl on backend re-creation.
InitializePlatformHandlers(*this);
}
void ImGuiPlatformIO::ClearRendererHandlers()
@ -16189,6 +16191,15 @@ static void ImGui::UpdateViewportsNewFrame()
// - Default IME handlers
//-----------------------------------------------------------------------------
static void InitializePlatformHandlers(ImGuiPlatformIO& io)
{
// Setup default ImGuiPlatformIO clipboard/IME handlers
io.Platform_GetClipboardTextFn = Platform_GetClipboardTextFn_DefaultImpl;
io.Platform_SetClipboardTextFn = Platform_SetClipboardTextFn_DefaultImpl;
io.Platform_OpenInShellFn = Platform_OpenInShellFn_DefaultImpl;
io.Platform_SetImeDataFn = Platform_SetImeDataFn_DefaultImpl;
}
#if defined(_WIN32) && !defined(IMGUI_DISABLE_WIN32_FUNCTIONS) && !defined(IMGUI_DISABLE_WIN32_DEFAULT_CLIPBOARD_FUNCTIONS)
#ifdef _MSC_VER