1 files changed, 474 insertions, 0 deletions

diff --git a/contrib/SDL-3.2.8/src/video/SDL_clipboard.c b/contrib/SDL-3.2.8/src/video/SDL_clipboard.c
new file mode 100644
index 0000000..105c288
--- /dev/null
+++ b/contrib/SDL-3.2.8/src/video/SDL_clipboard.c
@@ -0,0 +1,474 @@
+/*
+  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.
+*/
+#include "SDL_internal.h"
+
+#include "SDL_clipboard_c.h"
+#include "SDL_sysvideo.h"
+#include "../events/SDL_events_c.h"
+#include "../events/SDL_clipboardevents_c.h"
+
+void SDL_FreeClipboardMimeTypes(SDL_VideoDevice *_this)
+{
+    if (_this->clipboard_mime_types) {
+        for (size_t i = 0; i < _this->num_clipboard_mime_types; ++i) {
+            SDL_free(_this->clipboard_mime_types[i]);
+        }
+        SDL_free(_this->clipboard_mime_types);
+        _this->clipboard_mime_types = NULL;
+        _this->num_clipboard_mime_types = 0;
+    }
+}
+
+
+void SDL_CancelClipboardData(Uint32 sequence)
+{
+    SDL_VideoDevice *_this = SDL_GetVideoDevice();
+
+    if (sequence && sequence != _this->clipboard_sequence) {
+        // This clipboard data was already canceled
+        return;
+    }
+
+    if (_this->clipboard_cleanup) {
+        _this->clipboard_cleanup(_this->clipboard_userdata);
+    }
+
+    SDL_FreeClipboardMimeTypes(_this);
+
+    _this->clipboard_callback = NULL;
+    _this->clipboard_cleanup = NULL;
+    _this->clipboard_userdata = NULL;
+}
+
+bool SDL_SaveClipboardMimeTypes(const char **mime_types, size_t num_mime_types)
+{
+    SDL_VideoDevice *_this = SDL_GetVideoDevice();
+
+    SDL_FreeClipboardMimeTypes(_this);
+
+    if (mime_types && num_mime_types > 0) {
+        size_t num_allocated = 0;
+
+        _this->clipboard_mime_types = (char **)SDL_malloc(num_mime_types * sizeof(char *));
+        if (_this->clipboard_mime_types) {
+            for (size_t i = 0; i < num_mime_types; ++i) {
+                _this->clipboard_mime_types[i] = SDL_strdup(mime_types[i]);
+                if (_this->clipboard_mime_types[i]) {
+                    ++num_allocated;
+                }
+            }
+        }
+        if (num_allocated < num_mime_types) {
+            SDL_FreeClipboardMimeTypes(_this);
+            return false;
+        }
+        _this->num_clipboard_mime_types = num_mime_types;
+    }
+    return true;
+}
+
+bool SDL_SetClipboardData(SDL_ClipboardDataCallback callback, SDL_ClipboardCleanupCallback cleanup, void *userdata, const char **mime_types, size_t num_mime_types)
+{
+    SDL_VideoDevice *_this = SDL_GetVideoDevice();
+
+    if (!_this) {
+        return SDL_UninitializedVideo();
+    }
+
+    // Parameter validation
+    if (!((callback && mime_types && num_mime_types > 0) ||
+          (!callback && !mime_types && num_mime_types == 0))) {
+        return SDL_SetError("Invalid parameters");
+    }
+
+    SDL_CancelClipboardData(0);
+
+    ++_this->clipboard_sequence;
+    if (!_this->clipboard_sequence) {
+        _this->clipboard_sequence = 1;
+    }
+    _this->clipboard_callback = callback;
+    _this->clipboard_cleanup = cleanup;
+    _this->clipboard_userdata = userdata;
+
+    if (!SDL_SaveClipboardMimeTypes(mime_types, num_mime_types)) {
+        SDL_ClearClipboardData();
+        return false;
+    }
+
+    if (_this->SetClipboardData) {
+        if (!_this->SetClipboardData(_this)) {
+            return false;
+        }
+    } else if (_this->SetClipboardText) {
+        char *text = NULL;
+        size_t size;
+
+        for (size_t i = 0; i < num_mime_types; ++i) {
+            const char *mime_type = _this->clipboard_mime_types[i];
+            if (SDL_IsTextMimeType(mime_type)) {
+                const void *data = _this->clipboard_callback(_this->clipboard_userdata, mime_type, &size);
+                if (data) {
+                    text = (char *)SDL_malloc(size + 1);
+                    SDL_memcpy(text, data, size);
+                    text[size] = '\0';
+                    if (!_this->SetClipboardText(_this, text)) {
+                        SDL_free(text);
+                        return false;
+                    }
+                    break;
+                }
+            }
+        }
+        if (text) {
+            SDL_free(text);
+        } else {
+            if (!_this->SetClipboardText(_this, "")) {
+                return false;
+            }
+        }
+    }
+
+    char **mime_types_copy = SDL_CopyClipboardMimeTypes(mime_types, num_mime_types, true);
+    if (!mime_types_copy)
+        return SDL_SetError("unable to copy current mime types");
+
+    SDL_SendClipboardUpdate(true, mime_types_copy, num_mime_types);
+    return true;
+}
+
+bool SDL_ClearClipboardData(void)
+{
+    return SDL_SetClipboardData(NULL, NULL, NULL, NULL, 0);
+}
+
+void *SDL_GetInternalClipboardData(SDL_VideoDevice *_this, const char *mime_type, size_t *size)
+{
+    void *data = NULL;
+
+    if (_this->clipboard_callback) {
+        const void *provided_data = _this->clipboard_callback(_this->clipboard_userdata, mime_type, size);
+        if (provided_data) {
+            // Make a copy of it for the caller and guarantee null termination
+            data = SDL_malloc(*size + sizeof(Uint32));
+            if (data) {
+                SDL_memcpy(data, provided_data, *size);
+                SDL_memset((Uint8 *)data + *size, 0, sizeof(Uint32));
+            }
+        }
+    }
+    return data;
+}
+
+void *SDL_GetClipboardData(const char *mime_type, size_t *size)
+{
+    SDL_VideoDevice *_this = SDL_GetVideoDevice();
+    size_t unused;
+
+    if (!_this) {
+        SDL_UninitializedVideo();
+        return NULL;
+    }
+
+    if (!mime_type) {
+        SDL_InvalidParamError("mime_type");
+        return NULL;
+    }
+    if (!size) {
+        size = &unused;
+    }
+
+    // Initialize size to empty, so implementations don't have to worry about it
+    *size = 0;
+
+    if (_this->GetClipboardData) {
+        return _this->GetClipboardData(_this, mime_type, size);
+    } else if (_this->GetClipboardText && SDL_IsTextMimeType(mime_type)) {
+        char *text = _this->GetClipboardText(_this);
+        if (text) {
+            if (*text == '\0') {
+                SDL_free(text);
+                text = NULL;
+            } else {
+                *size = SDL_strlen(text);
+            }
+        }
+        return text;
+    } else {
+        return SDL_GetInternalClipboardData(_this, mime_type, size);
+    }
+}
+
+bool SDL_HasInternalClipboardData(SDL_VideoDevice *_this, const char *mime_type)
+{
+    size_t i;
+
+    for (i = 0; i < _this->num_clipboard_mime_types; ++i) {
+        if (SDL_strcmp(mime_type, _this->clipboard_mime_types[i]) == 0) {
+            return true;
+        }
+    }
+    return false;
+}
+
+bool SDL_HasClipboardData(const char *mime_type)
+{
+    SDL_VideoDevice *_this = SDL_GetVideoDevice();
+
+    if (!_this) {
+        SDL_UninitializedVideo();
+        return false;
+    }
+
+    if (!mime_type) {
+        SDL_InvalidParamError("mime_type");
+        return false;
+    }
+
+    if (_this->HasClipboardData) {
+        return _this->HasClipboardData(_this, mime_type);
+    } else if (_this->HasClipboardText && SDL_IsTextMimeType(mime_type)) {
+        return _this->HasClipboardText(_this);
+    } else {
+        return SDL_HasInternalClipboardData(_this, mime_type);
+    }
+}
+
+char **SDL_CopyClipboardMimeTypes(const char **clipboard_mime_types, size_t num_mime_types, bool temporary)
+{
+    size_t allocSize = sizeof(char *);
+    for (size_t i = 0; i < num_mime_types; i++) {
+        allocSize += sizeof(char *) + SDL_strlen(clipboard_mime_types[i]) + 1;
+    }
+
+    char *ret;
+    if (temporary)
+        ret = (char *)SDL_AllocateTemporaryMemory(allocSize);
+    else
+        ret = (char *)SDL_malloc(allocSize);
+    if (!ret) {
+        return NULL;
+    }
+
+    char **result = (char **)ret;
+    ret += sizeof(char *) * (num_mime_types + 1);
+
+    for (size_t i = 0; i < num_mime_types; i++) {
+        result[i] = ret;
+
+        const char *mime_type = clipboard_mime_types[i];
+        // Copy the whole string including the terminating null char
+        char c;
+        do {
+            c = *ret++ = *mime_type++;
+        } while (c != '\0');
+    }
+    result[num_mime_types] = NULL;
+
+    return result;
+
+}
+
+char **SDL_GetClipboardMimeTypes(size_t *num_mime_types)
+{
+    SDL_VideoDevice *_this = SDL_GetVideoDevice();
+
+    if (num_mime_types) {
+        *num_mime_types = 0;
+    }
+
+    if (!_this) {
+        SDL_UninitializedVideo();
+        return NULL;
+    }
+
+    if (num_mime_types) {
+        *num_mime_types = _this->num_clipboard_mime_types;
+    }
+    return SDL_CopyClipboardMimeTypes((const char **)_this->clipboard_mime_types, _this->num_clipboard_mime_types, false);
+}
+
+// Clipboard text
+
+bool SDL_IsTextMimeType(const char *mime_type)
+{
+    return (SDL_strncmp(mime_type, "text", 4) == 0);
+}
+
+static const char **SDL_GetTextMimeTypes(SDL_VideoDevice *_this, size_t *num_mime_types)
+{
+    if (_this->GetTextMimeTypes) {
+        return _this->GetTextMimeTypes(_this, num_mime_types);
+    } else {
+        static const char *text_mime_types[] = {
+            "text/plain;charset=utf-8"
+        };
+
+        *num_mime_types = SDL_arraysize(text_mime_types);
+        return text_mime_types;
+    }
+}
+
+const void * SDLCALL SDL_ClipboardTextCallback(void *userdata, const char *mime_type, size_t *size)
+{
+    char *text = (char *)userdata;
+    if (text) {
+        *size = SDL_strlen(text);
+    } else {
+        *size = 0;
+    }
+    return text;
+}
+
+bool SDL_SetClipboardText(const char *text)
+{
+    SDL_VideoDevice *_this = SDL_GetVideoDevice();
+    size_t num_mime_types;
+    const char **text_mime_types;
+
+    if (!_this) {
+        return SDL_UninitializedVideo();
+    }
+
+    if (text && *text) {
+        text_mime_types = SDL_GetTextMimeTypes(_this, &num_mime_types);
+
+        return SDL_SetClipboardData(SDL_ClipboardTextCallback, SDL_free, SDL_strdup(text), text_mime_types, num_mime_types);
+    }
+    return SDL_ClearClipboardData();
+}
+
+char *SDL_GetClipboardText(void)
+{
+    SDL_VideoDevice *_this = SDL_GetVideoDevice();
+    size_t i, num_mime_types;
+    const char **text_mime_types;
+    size_t length;
+    char *text = NULL;
+
+    if (!_this) {
+        SDL_UninitializedVideo();
+        return SDL_strdup("");
+    }
+
+    text_mime_types = SDL_GetTextMimeTypes(_this, &num_mime_types);
+    for (i = 0; i < num_mime_types; ++i) {
+        void *clipdata = SDL_GetClipboardData(text_mime_types[i], &length);
+        if (clipdata) {
+            text = (char *)clipdata;
+            break;
+        }
+    }
+
+    if (!text) {
+        text = SDL_strdup("");
+    }
+    return text;
+}
+
+bool SDL_HasClipboardText(void)
+{
+    SDL_VideoDevice *_this = SDL_GetVideoDevice();
+    size_t i, num_mime_types;
+    const char **text_mime_types;
+
+    if (!_this) {
+        return SDL_UninitializedVideo();
+    }
+
+    text_mime_types = SDL_GetTextMimeTypes(_this, &num_mime_types);
+    for (i = 0; i < num_mime_types; ++i) {
+        if (SDL_HasClipboardData(text_mime_types[i])) {
+            return true;
+        }
+    }
+    return false;
+}
+
+// Primary selection text
+
+bool SDL_SetPrimarySelectionText(const char *text)
+{
+    SDL_VideoDevice *_this = SDL_GetVideoDevice();
+
+    if (!_this) {
+        return SDL_UninitializedVideo();
+    }
+
+    if (!text) {
+        text = "";
+    }
+    if (_this->SetPrimarySelectionText) {
+        if (!_this->SetPrimarySelectionText(_this, text)) {
+            return false;
+        }
+    } else {
+        SDL_free(_this->primary_selection_text);
+        _this->primary_selection_text = SDL_strdup(text);
+    }
+
+    char **mime_types = SDL_CopyClipboardMimeTypes((const char **)_this->clipboard_mime_types, _this->num_clipboard_mime_types, true);
+    if (!mime_types)
+        return SDL_SetError("unable to copy current mime types");
+
+    SDL_SendClipboardUpdate(true, mime_types, _this->num_clipboard_mime_types);
+    return true;
+}
+
+char *SDL_GetPrimarySelectionText(void)
+{
+    SDL_VideoDevice *_this = SDL_GetVideoDevice();
+
+    if (!_this) {
+        SDL_UninitializedVideo();
+        return SDL_strdup("");
+    }
+
+    if (_this->GetPrimarySelectionText) {
+        return _this->GetPrimarySelectionText(_this);
+    } else {
+        const char *text = _this->primary_selection_text;
+        if (!text) {
+            text = "";
+        }
+        return SDL_strdup(text);
+    }
+}
+
+bool SDL_HasPrimarySelectionText(void)
+{
+    SDL_VideoDevice *_this = SDL_GetVideoDevice();
+
+    if (!_this) {
+        return SDL_UninitializedVideo();
+    }
+
+    if (_this->HasPrimarySelectionText) {
+        return _this->HasPrimarySelectionText(_this);
+    } else {
+        if (_this->primary_selection_text && _this->primary_selection_text[0] != '\0') {
+            return true;
+        } else {
+            return false;
+        }
+    }
+}
+