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diff --git a/contrib/SDL-3.2.8/include/SDL3/SDL_messagebox.h b/contrib/SDL-3.2.8/include/SDL3/SDL_messagebox.h
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+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+
+/**
+ * # CategoryMessagebox
+ *
+ * SDL offers a simple message box API, which is useful for simple alerts,
+ * such as informing the user when something fatal happens at startup without
+ * the need to build a UI for it (or informing the user _before_ your UI is
+ * ready).
+ *
+ * These message boxes are native system dialogs where possible.
+ *
+ * There is both a customizable function (SDL_ShowMessageBox()) that offers
+ * lots of options for what to display and reports on what choice the user
+ * made, and also a much-simplified version (SDL_ShowSimpleMessageBox()),
+ * merely takes a text message and title, and waits until the user presses a
+ * single "OK" UI button. Often, this is all that is necessary.
+ */
+
+#ifndef SDL_messagebox_h_
+#define SDL_messagebox_h_
+
+#include <SDL3/SDL_stdinc.h>
+#include <SDL3/SDL_error.h>
+#include <SDL3/SDL_video.h>      /* For SDL_Window */
+
+#include <SDL3/SDL_begin_code.h>
+/* Set up for C function definitions, even when using C++ */
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * Message box flags.
+ *
+ * If supported will display warning icon, etc.
+ *
+ * \since This datatype is available since SDL 3.2.0.
+ */
+typedef Uint32 SDL_MessageBoxFlags;
+
+#define SDL_MESSAGEBOX_ERROR                    0x00000010u /**< error dialog */
+#define SDL_MESSAGEBOX_WARNING                  0x00000020u /**< warning dialog */
+#define SDL_MESSAGEBOX_INFORMATION              0x00000040u /**< informational dialog */
+#define SDL_MESSAGEBOX_BUTTONS_LEFT_TO_RIGHT    0x00000080u /**< buttons placed left to right */
+#define SDL_MESSAGEBOX_BUTTONS_RIGHT_TO_LEFT    0x00000100u /**< buttons placed right to left */
+
+/**
+ * SDL_MessageBoxButtonData flags.
+ *
+ * \since This datatype is available since SDL 3.2.0.
+ */
+typedef Uint32 SDL_MessageBoxButtonFlags;
+
+#define SDL_MESSAGEBOX_BUTTON_RETURNKEY_DEFAULT 0x00000001u /**< Marks the default button when return is hit */
+#define SDL_MESSAGEBOX_BUTTON_ESCAPEKEY_DEFAULT 0x00000002u /**< Marks the default button when escape is hit */
+
+/**
+ * Individual button data.
+ *
+ * \since This struct is available since SDL 3.2.0.
+ */
+typedef struct SDL_MessageBoxButtonData
+{
+    SDL_MessageBoxButtonFlags flags;
+    int buttonID;       /**< User defined button id (value returned via SDL_ShowMessageBox) */
+    const char *text;   /**< The UTF-8 button text */
+} SDL_MessageBoxButtonData;
+
+/**
+ * RGB value used in a message box color scheme
+ *
+ * \since This struct is available since SDL 3.2.0.
+ */
+typedef struct SDL_MessageBoxColor
+{
+    Uint8 r, g, b;
+} SDL_MessageBoxColor;
+
+/**
+ * An enumeration of indices inside the colors array of
+ * SDL_MessageBoxColorScheme.
+ */
+typedef enum SDL_MessageBoxColorType
+{
+    SDL_MESSAGEBOX_COLOR_BACKGROUND,
+    SDL_MESSAGEBOX_COLOR_TEXT,
+    SDL_MESSAGEBOX_COLOR_BUTTON_BORDER,
+    SDL_MESSAGEBOX_COLOR_BUTTON_BACKGROUND,
+    SDL_MESSAGEBOX_COLOR_BUTTON_SELECTED,
+    SDL_MESSAGEBOX_COLOR_COUNT                    /**< Size of the colors array of SDL_MessageBoxColorScheme. */
+} SDL_MessageBoxColorType;
+
+/**
+ * A set of colors to use for message box dialogs
+ *
+ * \since This struct is available since SDL 3.2.0.
+ */
+typedef struct SDL_MessageBoxColorScheme
+{
+    SDL_MessageBoxColor colors[SDL_MESSAGEBOX_COLOR_COUNT];
+} SDL_MessageBoxColorScheme;
+
+/**
+ * MessageBox structure containing title, text, window, etc.
+ *
+ * \since This struct is available since SDL 3.2.0.
+ */
+typedef struct SDL_MessageBoxData
+{
+    SDL_MessageBoxFlags flags;
+    SDL_Window *window;                 /**< Parent window, can be NULL */
+    const char *title;                  /**< UTF-8 title */
+    const char *message;                /**< UTF-8 message text */
+
+    int numbuttons;
+    const SDL_MessageBoxButtonData *buttons;
+
+    const SDL_MessageBoxColorScheme *colorScheme;   /**< SDL_MessageBoxColorScheme, can be NULL to use system settings */
+} SDL_MessageBoxData;
+
+/**
+ * Create a modal message box.
+ *
+ * If your needs aren't complex, it might be easier to use
+ * SDL_ShowSimpleMessageBox.
+ *
+ * This function should be called on the thread that created the parent
+ * window, or on the main thread if the messagebox has no parent. It will
+ * block execution of that thread until the user clicks a button or closes the
+ * messagebox.
+ *
+ * This function may be called at any time, even before SDL_Init(). This makes
+ * it useful for reporting errors like a failure to create a renderer or
+ * OpenGL context.
+ *
+ * On X11, SDL rolls its own dialog box with X11 primitives instead of a
+ * formal toolkit like GTK+ or Qt.
+ *
+ * Note that if SDL_Init() would fail because there isn't any available video
+ * target, this function is likely to fail for the same reasons. If this is a
+ * concern, check the return value from this function and fall back to writing
+ * to stderr if you can.
+ *
+ * \param messageboxdata the SDL_MessageBoxData structure with title, text and
+ *                       other options.
+ * \param buttonid the pointer to which user id of hit button should be
+ *                 copied.
+ * \returns true on success or false on failure; call SDL_GetError() for more
+ *          information.
+ *
+ * \since This function is available since SDL 3.2.0.
+ *
+ * \sa SDL_ShowSimpleMessageBox
+ */
+extern SDL_DECLSPEC bool SDLCALL SDL_ShowMessageBox(const SDL_MessageBoxData *messageboxdata, int *buttonid);
+
+/**
+ * Display a simple modal message box.
+ *
+ * If your needs aren't complex, this function is preferred over
+ * SDL_ShowMessageBox.
+ *
+ * `flags` may be any of the following:
+ *
+ * - `SDL_MESSAGEBOX_ERROR`: error dialog
+ * - `SDL_MESSAGEBOX_WARNING`: warning dialog
+ * - `SDL_MESSAGEBOX_INFORMATION`: informational dialog
+ *
+ * This function should be called on the thread that created the parent
+ * window, or on the main thread if the messagebox has no parent. It will
+ * block execution of that thread until the user clicks a button or closes the
+ * messagebox.
+ *
+ * This function may be called at any time, even before SDL_Init(). This makes
+ * it useful for reporting errors like a failure to create a renderer or
+ * OpenGL context.
+ *
+ * On X11, SDL rolls its own dialog box with X11 primitives instead of a
+ * formal toolkit like GTK+ or Qt.
+ *
+ * Note that if SDL_Init() would fail because there isn't any available video
+ * target, this function is likely to fail for the same reasons. If this is a
+ * concern, check the return value from this function and fall back to writing
+ * to stderr if you can.
+ *
+ * \param flags an SDL_MessageBoxFlags value.
+ * \param title UTF-8 title text.
+ * \param message UTF-8 message text.
+ * \param window the parent window, or NULL for no parent.
+ * \returns true on success or false on failure; call SDL_GetError() for more
+ *          information.
+ *
+ * \since This function is available since SDL 3.2.0.
+ *
+ * \sa SDL_ShowMessageBox
+ */
+extern SDL_DECLSPEC bool SDLCALL SDL_ShowSimpleMessageBox(SDL_MessageBoxFlags flags, const char *title, const char *message, SDL_Window *window);
+
+
+/* Ends C function definitions when using C++ */
+#ifdef __cplusplus
+}
+#endif
+#include <SDL3/SDL_close_code.h>
+
+#endif /* SDL_messagebox_h_ */