diff options
Diffstat (limited to 'Source/3rdParty/SDL2/src/video/wayland/SDL_waylanddatamanager.c')
| -rw-r--r-- | Source/3rdParty/SDL2/src/video/wayland/SDL_waylanddatamanager.c | 468 |
1 files changed, 0 insertions, 468 deletions
diff --git a/Source/3rdParty/SDL2/src/video/wayland/SDL_waylanddatamanager.c b/Source/3rdParty/SDL2/src/video/wayland/SDL_waylanddatamanager.c deleted file mode 100644 index f1b9742..0000000 --- a/Source/3rdParty/SDL2/src/video/wayland/SDL_waylanddatamanager.c +++ /dev/null @@ -1,468 +0,0 @@ -/* - Simple DirectMedia Layer - Copyright (C) 1997-2018 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" - -#if SDL_VIDEO_DRIVER_WAYLAND - -#include <fcntl.h> -#include <unistd.h> -#include <limits.h> -#include <signal.h> - -#include "SDL_stdinc.h" -#include "SDL_assert.h" -#include "../../core/unix/SDL_poll.h" - -#include "SDL_waylandvideo.h" -#include "SDL_waylanddatamanager.h" - -#include "SDL_waylanddyn.h" - -static ssize_t -write_pipe(int fd, const void* buffer, size_t total_length, size_t *pos) -{ - int ready = 0; - ssize_t bytes_written = 0; - ssize_t length = total_length - *pos; - - sigset_t sig_set; - sigset_t old_sig_set; - struct timespec zerotime = {0}; - - ready = SDL_IOReady(fd, SDL_TRUE, 1 * 1000); - - sigemptyset(&sig_set); - sigaddset(&sig_set, SIGPIPE); - - pthread_sigmask(SIG_BLOCK, &sig_set, &old_sig_set); - - if (ready == 0) { - bytes_written = SDL_SetError("Pipe timeout"); - } else if (ready < 0) { - bytes_written = SDL_SetError("Pipe select error"); - } else { - if (length > 0) { - bytes_written = write(fd, (Uint8*)buffer + *pos, SDL_min(length, PIPE_BUF)); - } - - if (bytes_written > 0) { - *pos += bytes_written; - } - } - - sigtimedwait(&sig_set, 0, &zerotime); - pthread_sigmask(SIG_SETMASK, &old_sig_set, NULL); - - return bytes_written; -} - -static ssize_t -read_pipe(int fd, void** buffer, size_t* total_length, SDL_bool null_terminate) -{ - int ready = 0; - void* output_buffer = NULL; - char temp[PIPE_BUF]; - size_t new_buffer_length = 0; - ssize_t bytes_read = 0; - size_t pos = 0; - - ready = SDL_IOReady(fd, SDL_FALSE, 1 * 1000); - - if (ready == 0) { - bytes_read = SDL_SetError("Pipe timeout"); - } else if (ready < 0) { - bytes_read = SDL_SetError("Pipe select error"); - } else { - bytes_read = read(fd, temp, sizeof(temp)); - } - - if (bytes_read > 0) { - pos = *total_length; - *total_length += bytes_read; - - if (null_terminate == SDL_TRUE) { - new_buffer_length = *total_length + 1; - } else { - new_buffer_length = *total_length; - } - - if (*buffer == NULL) { - output_buffer = SDL_malloc(new_buffer_length); - } else { - output_buffer = SDL_realloc(*buffer, new_buffer_length); - } - - if (output_buffer == NULL) { - bytes_read = SDL_OutOfMemory(); - } else { - SDL_memcpy((Uint8*)output_buffer + pos, temp, bytes_read); - - if (null_terminate == SDL_TRUE) { - SDL_memset((Uint8*)output_buffer + (new_buffer_length - 1), 0, 1); - } - - *buffer = output_buffer; - } - } - - return bytes_read; -} - -#define MIME_LIST_SIZE 4 - -static const char* mime_conversion_list[MIME_LIST_SIZE][2] = { - {"text/plain", TEXT_MIME}, - {"TEXT", TEXT_MIME}, - {"UTF8_STRING", TEXT_MIME}, - {"STRING", TEXT_MIME} -}; - -const char* -Wayland_convert_mime_type(const char *mime_type) -{ - const char *found = mime_type; - - size_t index = 0; - - for (index = 0; index < MIME_LIST_SIZE; ++index) { - if (strcmp(mime_conversion_list[index][0], mime_type) == 0) { - found = mime_conversion_list[index][1]; - break; - } - } - - return found; -} - -static SDL_MimeDataList* -mime_data_list_find(struct wl_list* list, - const char* mime_type) -{ - SDL_MimeDataList *found = NULL; - - SDL_MimeDataList *mime_list = NULL; - wl_list_for_each(mime_list, list, link) { - if (strcmp(mime_list->mime_type, mime_type) == 0) { - found = mime_list; - break; - } - } - return found; -} - -static int -mime_data_list_add(struct wl_list* list, - const char* mime_type, - void* buffer, size_t length) -{ - int status = 0; - size_t mime_type_length = 0; - - SDL_MimeDataList *mime_data = NULL; - - mime_data = mime_data_list_find(list, mime_type); - - if (mime_data == NULL) { - mime_data = SDL_calloc(1, sizeof(*mime_data)); - if (mime_data == NULL) { - status = SDL_OutOfMemory(); - } else { - WAYLAND_wl_list_insert(list, &(mime_data->link)); - - mime_type_length = strlen(mime_type) + 1; - mime_data->mime_type = SDL_malloc(mime_type_length); - if (mime_data->mime_type == NULL) { - status = SDL_OutOfMemory(); - } else { - SDL_memcpy(mime_data->mime_type, mime_type, mime_type_length); - } - } - } - - if (mime_data != NULL && buffer != NULL && length > 0) { - if (mime_data->data != NULL) { - SDL_free(mime_data->data); - } - mime_data->data = buffer; - mime_data->length = length; - } - - return status; -} - -static void -mime_data_list_free(struct wl_list *list) -{ - SDL_MimeDataList *mime_data = NULL; - SDL_MimeDataList *next = NULL; - - wl_list_for_each_safe(mime_data, next, list, link) { - if (mime_data->data != NULL) { - SDL_free(mime_data->data); - } - if (mime_data->mime_type != NULL) { - SDL_free(mime_data->mime_type); - } - SDL_free(mime_data); - } -} - -ssize_t -Wayland_data_source_send(SDL_WaylandDataSource *source, - const char *mime_type, int fd) -{ - size_t written_bytes = 0; - ssize_t status = 0; - SDL_MimeDataList *mime_data = NULL; - - mime_type = Wayland_convert_mime_type(mime_type); - mime_data = mime_data_list_find(&source->mimes, - mime_type); - - if (mime_data == NULL || mime_data->data == NULL) { - status = SDL_SetError("Invalid mime type"); - close(fd); - } else { - while (write_pipe(fd, mime_data->data, mime_data->length, - &written_bytes) > 0); - close(fd); - status = written_bytes; - } - return status; -} - -int Wayland_data_source_add_data(SDL_WaylandDataSource *source, - const char *mime_type, - const void *buffer, - size_t length) -{ - int status = 0; - if (length > 0) { - void *internal_buffer = SDL_malloc(length); - if (internal_buffer == NULL) { - status = SDL_OutOfMemory(); - } else { - SDL_memcpy(internal_buffer, buffer, length); - status = mime_data_list_add(&source->mimes, mime_type, - internal_buffer, length); - } - } - return status; -} - -SDL_bool -Wayland_data_source_has_mime(SDL_WaylandDataSource *source, - const char *mime_type) -{ - SDL_bool found = SDL_FALSE; - - if (source != NULL) { - found = mime_data_list_find(&source->mimes, mime_type) != NULL; - } - return found; -} - -void* -Wayland_data_source_get_data(SDL_WaylandDataSource *source, - size_t *length, const char* mime_type, - SDL_bool null_terminate) -{ - SDL_MimeDataList *mime_data = NULL; - void *buffer = NULL; - *length = 0; - - if (source == NULL) { - SDL_SetError("Invalid data source"); - } else { - mime_data = mime_data_list_find(&source->mimes, mime_type); - if (mime_data != NULL && mime_data->length > 0) { - buffer = SDL_malloc(mime_data->length); - if (buffer == NULL) { - *length = SDL_OutOfMemory(); - } else { - *length = mime_data->length; - SDL_memcpy(buffer, mime_data->data, mime_data->length); - } - } - } - - return buffer; -} - -void -Wayland_data_source_destroy(SDL_WaylandDataSource *source) -{ - if (source != NULL) { - wl_data_source_destroy(source->source); - mime_data_list_free(&source->mimes); - SDL_free(source); - } -} - -void* -Wayland_data_offer_receive(SDL_WaylandDataOffer *offer, - size_t *length, const char* mime_type, - SDL_bool null_terminate) -{ - SDL_WaylandDataDevice *data_device = NULL; - - int pipefd[2]; - void *buffer = NULL; - *length = 0; - - if (offer == NULL) { - SDL_SetError("Invalid data offer"); - } else if ((data_device = offer->data_device) == NULL) { - SDL_SetError("Data device not initialized"); - } else if (pipe2(pipefd, O_CLOEXEC|O_NONBLOCK) == -1) { - SDL_SetError("Could not read pipe"); - } else { - wl_data_offer_receive(offer->offer, mime_type, pipefd[1]); - - /* TODO: Needs pump and flush? */ - WAYLAND_wl_display_flush(data_device->video_data->display); - - close(pipefd[1]); - - while (read_pipe(pipefd[0], &buffer, length, null_terminate) > 0); - close(pipefd[0]); - } - return buffer; -} - -int -Wayland_data_offer_add_mime(SDL_WaylandDataOffer *offer, - const char* mime_type) -{ - return mime_data_list_add(&offer->mimes, mime_type, NULL, 0); -} - - -SDL_bool -Wayland_data_offer_has_mime(SDL_WaylandDataOffer *offer, - const char *mime_type) -{ - SDL_bool found = SDL_FALSE; - - if (offer != NULL) { - found = mime_data_list_find(&offer->mimes, mime_type) != NULL; - } - return found; -} - -void -Wayland_data_offer_destroy(SDL_WaylandDataOffer *offer) -{ - if (offer != NULL) { - wl_data_offer_destroy(offer->offer); - mime_data_list_free(&offer->mimes); - SDL_free(offer); - } -} - -int -Wayland_data_device_clear_selection(SDL_WaylandDataDevice *data_device) -{ - int status = 0; - - if (data_device == NULL || data_device->data_device == NULL) { - status = SDL_SetError("Invalid Data Device"); - } else if (data_device->selection_source != 0) { - wl_data_device_set_selection(data_device->data_device, NULL, 0); - data_device->selection_source = NULL; - } - return status; -} - -int -Wayland_data_device_set_selection(SDL_WaylandDataDevice *data_device, - SDL_WaylandDataSource *source) -{ - int status = 0; - size_t num_offers = 0; - size_t index = 0; - - if (data_device == NULL) { - status = SDL_SetError("Invalid Data Device"); - } else if (source == NULL) { - status = SDL_SetError("Invalid source"); - } else { - SDL_MimeDataList *mime_data = NULL; - - wl_list_for_each(mime_data, &(source->mimes), link) { - wl_data_source_offer(source->source, - mime_data->mime_type); - - /* TODO - Improve system for multiple mime types to same data */ - for (index = 0; index < MIME_LIST_SIZE; ++index) { - if (strcmp(mime_conversion_list[index][1], mime_data->mime_type) == 0) { - wl_data_source_offer(source->source, - mime_conversion_list[index][0]); - } - } - /* */ - - ++num_offers; - } - - if (num_offers == 0) { - Wayland_data_device_clear_selection(data_device); - status = SDL_SetError("No mime data"); - } else { - /* Only set if there is a valid serial if not set it later */ - if (data_device->selection_serial != 0) { - wl_data_device_set_selection(data_device->data_device, - source->source, - data_device->selection_serial); - } - data_device->selection_source = source; - } - } - - return status; -} - -int -Wayland_data_device_set_serial(SDL_WaylandDataDevice *data_device, - uint32_t serial) -{ - int status = -1; - if (data_device != NULL) { - status = 0; - - /* If there was no serial and there is a pending selection set it now. */ - if (data_device->selection_serial == 0 - && data_device->selection_source != NULL) { - wl_data_device_set_selection(data_device->data_device, - data_device->selection_source->source, - serial); - } - - data_device->selection_serial = serial; - } - - return status; -} - -#endif /* SDL_VIDEO_DRIVER_WAYLAND */ - -/* vi: set ts=4 sw=4 expandtab: */ |