197 lines
7.3 KiB
C
197 lines
7.3 KiB
C
/*
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Simple DirectMedia Layer
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Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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#include "SDL_internal.h"
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#ifdef SDL_VIDEO_DRIVER_WAYLAND
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#include "SDL_waylanddatamanager.h"
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#include "SDL_waylandevents_c.h"
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#include "SDL_waylandclipboard.h"
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#include "../SDL_clipboard_c.h"
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#include "../../events/SDL_events_c.h"
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bool Wayland_SetClipboardData(SDL_VideoDevice *_this)
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{
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SDL_VideoData *video_data = _this->internal;
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SDL_WaylandSeat *seat = video_data->last_implicit_grab_seat;
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bool result = false;
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// If no implicit grab is available yet, just attach it to the first available seat.
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if (!seat && !WAYLAND_wl_list_empty(&video_data->seat_list)) {
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seat = wl_container_of(video_data->seat_list.next, seat, link);
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}
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if (seat && seat->data_device) {
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SDL_WaylandDataDevice *data_device = seat->data_device;
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if (_this->clipboard_callback && _this->clipboard_mime_types) {
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SDL_WaylandDataSource *source = Wayland_data_source_create(_this);
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Wayland_data_source_set_callback(source, _this->clipboard_callback, _this->clipboard_userdata, _this->clipboard_sequence);
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result = Wayland_data_device_set_selection(data_device, source, (const char **)_this->clipboard_mime_types, _this->num_clipboard_mime_types);
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if (!result) {
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Wayland_data_source_destroy(source);
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}
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} else {
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result = Wayland_data_device_clear_selection(data_device);
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}
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}
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return result;
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}
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void *Wayland_GetClipboardData(SDL_VideoDevice *_this, const char *mime_type, size_t *length)
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{
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SDL_VideoData *video_data = _this->internal;
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SDL_WaylandSeat *seat = video_data->last_incoming_data_offer_seat;
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void *buffer = NULL;
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if (seat && seat->data_device) {
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SDL_WaylandDataDevice *data_device = seat->data_device;
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if (data_device->selection_source) {
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buffer = SDL_GetInternalClipboardData(_this, mime_type, length);
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} else if (Wayland_data_offer_has_mime(data_device->selection_offer, mime_type)) {
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buffer = Wayland_data_offer_receive(data_device->selection_offer, mime_type, length);
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}
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}
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return buffer;
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}
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bool Wayland_HasClipboardData(SDL_VideoDevice *_this, const char *mime_type)
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{
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SDL_VideoData *video_data = _this->internal;
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SDL_WaylandSeat *seat = video_data->last_incoming_data_offer_seat;
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bool result = false;
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if (seat && seat->data_device) {
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SDL_WaylandDataDevice *data_device = seat->data_device;
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if (data_device->selection_source) {
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result = SDL_HasInternalClipboardData(_this, mime_type);
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} else {
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result = Wayland_data_offer_has_mime(data_device->selection_offer, mime_type);
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}
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}
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return result;
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}
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static const char *text_mime_types[] = {
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TEXT_MIME,
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"text/plain",
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"TEXT",
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"UTF8_STRING",
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"STRING"
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};
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const char **Wayland_GetTextMimeTypes(SDL_VideoDevice *_this, size_t *num_mime_types)
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{
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*num_mime_types = SDL_arraysize(text_mime_types);
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return text_mime_types;
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}
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bool Wayland_SetPrimarySelectionText(SDL_VideoDevice *_this, const char *text)
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{
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SDL_VideoData *video_data = _this->internal;
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SDL_WaylandSeat *seat = video_data->last_implicit_grab_seat;
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bool result;
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// If no implicit grab is available yet, just attach it to the first available seat.
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if (!seat && !WAYLAND_wl_list_empty(&video_data->seat_list)) {
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seat = wl_container_of(video_data->seat_list.next, seat, link);
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}
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if (seat && seat->primary_selection_device) {
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SDL_WaylandPrimarySelectionDevice *primary_selection_device = seat->primary_selection_device;
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if (text[0] != '\0') {
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SDL_WaylandPrimarySelectionSource *source = Wayland_primary_selection_source_create(_this);
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Wayland_primary_selection_source_set_callback(source, SDL_ClipboardTextCallback, SDL_strdup(text));
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result = Wayland_primary_selection_device_set_selection(primary_selection_device,
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source,
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text_mime_types,
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SDL_arraysize(text_mime_types));
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if (!result) {
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Wayland_primary_selection_source_destroy(source);
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}
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} else {
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result = Wayland_primary_selection_device_clear_selection(primary_selection_device);
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}
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} else {
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result = SDL_SetError("Primary selection not supported");
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}
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return result;
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}
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char *Wayland_GetPrimarySelectionText(SDL_VideoDevice *_this)
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{
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SDL_VideoData *video_data = _this->internal;
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SDL_WaylandSeat *seat = video_data->last_incoming_primary_selection_seat;
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char *text = NULL;
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size_t length = 0;
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if (seat && seat->primary_selection_device) {
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SDL_WaylandPrimarySelectionDevice *primary_selection_device = seat->primary_selection_device;
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if (primary_selection_device->selection_source) {
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text = Wayland_primary_selection_source_get_data(primary_selection_device->selection_source, TEXT_MIME, &length);
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} else {
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for (size_t i = 0; i < SDL_arraysize(text_mime_types); i++) {
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if (Wayland_primary_selection_offer_has_mime(primary_selection_device->selection_offer, text_mime_types[i])) {
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text = Wayland_primary_selection_offer_receive(primary_selection_device->selection_offer, text_mime_types[i], &length);
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break;
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}
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}
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}
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}
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if (!text) {
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text = SDL_strdup("");
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}
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return text;
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}
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bool Wayland_HasPrimarySelectionText(SDL_VideoDevice *_this)
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{
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SDL_VideoData *video_data = _this->internal;
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SDL_WaylandSeat *seat = video_data->last_incoming_primary_selection_seat;
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bool result = false;
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if (seat && seat->primary_selection_device) {
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SDL_WaylandPrimarySelectionDevice *primary_selection_device = seat->primary_selection_device;
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if (primary_selection_device->selection_source) {
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result = true;
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} else {
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size_t mime_count = 0;
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const char **mime_types = Wayland_GetTextMimeTypes(_this, &mime_count);
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for (size_t i = 0; i < mime_count; i++) {
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if (Wayland_primary_selection_offer_has_mime(primary_selection_device->selection_offer, mime_types[i])) {
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result = true;
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break;
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}
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}
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}
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}
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return result;
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}
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#endif // SDL_VIDEO_DRIVER_WAYLAND
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