From 5a079a2d114f96d4847d1ee305d5b7c16eeec50e Mon Sep 17 00:00:00 2001 From: 3gg <3gg@shellblade.net> Date: Sat, 27 Dec 2025 12:03:39 -0800 Subject: Initial commit --- contrib/SDL-3.2.8/src/video/SDL_clipboard.c | 474 ++++++++++++++++++++++++++++ 1 file changed, 474 insertions(+) create mode 100644 contrib/SDL-3.2.8/src/video/SDL_clipboard.c (limited to 'contrib/SDL-3.2.8/src/video/SDL_clipboard.c') 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 + + 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; + } + } +} + -- cgit v1.2.3