old data

2025-08-25 09:50:30 +08:00
parent bd0e31e922
commit 1359ff4ecc
1630 changed files with 738486 additions and 2399 deletions
@@ -0,0 +1,196 @@
+/*
+  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"
+
+#ifdef SDL_VIDEO_DRIVER_WAYLAND
+
+#include "SDL_waylanddatamanager.h"
+#include "SDL_waylandevents_c.h"
+#include "SDL_waylandclipboard.h"
+#include "../SDL_clipboard_c.h"
+#include "../../events/SDL_events_c.h"
+
+
+bool Wayland_SetClipboardData(SDL_VideoDevice *_this)
+{
+    SDL_VideoData *video_data = _this->internal;
+    SDL_WaylandSeat *seat = video_data->last_implicit_grab_seat;
+    bool result = false;
+
+    // If no implicit grab is available yet, just attach it to the first available seat.
+    if (!seat && !WAYLAND_wl_list_empty(&video_data->seat_list)) {
+        seat = wl_container_of(video_data->seat_list.next, seat, link);
+    }
+
+    if (seat && seat->data_device) {
+        SDL_WaylandDataDevice *data_device = seat->data_device;
+
+        if (_this->clipboard_callback && _this->clipboard_mime_types) {
+            SDL_WaylandDataSource *source = Wayland_data_source_create(_this);
+            Wayland_data_source_set_callback(source, _this->clipboard_callback, _this->clipboard_userdata, _this->clipboard_sequence);
+
+            result = Wayland_data_device_set_selection(data_device, source, (const char **)_this->clipboard_mime_types, _this->num_clipboard_mime_types);
+            if (!result) {
+                Wayland_data_source_destroy(source);
+            }
+        } else {
+            result = Wayland_data_device_clear_selection(data_device);
+        }
+    }
+
+    return result;
+}
+
+void *Wayland_GetClipboardData(SDL_VideoDevice *_this, const char *mime_type, size_t *length)
+{
+    SDL_VideoData *video_data = _this->internal;
+    SDL_WaylandSeat *seat = video_data->last_incoming_data_offer_seat;
+    void *buffer = NULL;
+
+    if (seat && seat->data_device) {
+        SDL_WaylandDataDevice *data_device = seat->data_device;
+        if (data_device->selection_source) {
+            buffer = SDL_GetInternalClipboardData(_this, mime_type, length);
+        } else if (Wayland_data_offer_has_mime(data_device->selection_offer, mime_type)) {
+            buffer = Wayland_data_offer_receive(data_device->selection_offer, mime_type, length);
+        }
+    }
+
+    return buffer;
+}
+
+bool Wayland_HasClipboardData(SDL_VideoDevice *_this, const char *mime_type)
+{
+    SDL_VideoData *video_data = _this->internal;
+    SDL_WaylandSeat *seat = video_data->last_incoming_data_offer_seat;
+    bool result = false;
+
+    if (seat && seat->data_device) {
+        SDL_WaylandDataDevice *data_device = seat->data_device;
+        if (data_device->selection_source) {
+            result = SDL_HasInternalClipboardData(_this, mime_type);
+        } else {
+            result = Wayland_data_offer_has_mime(data_device->selection_offer, mime_type);
+        }
+    }
+    return result;
+}
+
+static const char *text_mime_types[] = {
+    TEXT_MIME,
+    "text/plain",
+    "TEXT",
+    "UTF8_STRING",
+    "STRING"
+};
+
+const char **Wayland_GetTextMimeTypes(SDL_VideoDevice *_this, size_t *num_mime_types)
+{
+    *num_mime_types = SDL_arraysize(text_mime_types);
+    return text_mime_types;
+}
+
+bool Wayland_SetPrimarySelectionText(SDL_VideoDevice *_this, const char *text)
+{
+    SDL_VideoData *video_data = _this->internal;
+    SDL_WaylandSeat *seat = video_data->last_implicit_grab_seat;
+    bool result;
+
+    // If no implicit grab is available yet, just attach it to the first available seat.
+    if (!seat && !WAYLAND_wl_list_empty(&video_data->seat_list)) {
+        seat = wl_container_of(video_data->seat_list.next, seat, link);
+    }
+
+    if (seat && seat->primary_selection_device) {
+        SDL_WaylandPrimarySelectionDevice *primary_selection_device = seat->primary_selection_device;
+        if (text[0] != '\0') {
+            SDL_WaylandPrimarySelectionSource *source = Wayland_primary_selection_source_create(_this);
+            Wayland_primary_selection_source_set_callback(source, SDL_ClipboardTextCallback, SDL_strdup(text));
+
+            result = Wayland_primary_selection_device_set_selection(primary_selection_device,
+                                                                    source,
+                                                                    text_mime_types,
+                                                                    SDL_arraysize(text_mime_types));
+            if (!result) {
+                Wayland_primary_selection_source_destroy(source);
+            }
+        } else {
+            result = Wayland_primary_selection_device_clear_selection(primary_selection_device);
+        }
+    } else {
+        result = SDL_SetError("Primary selection not supported");
+    }
+    return result;
+}
+
+char *Wayland_GetPrimarySelectionText(SDL_VideoDevice *_this)
+{
+    SDL_VideoData *video_data = _this->internal;
+    SDL_WaylandSeat *seat = video_data->last_incoming_primary_selection_seat;
+    char *text = NULL;
+    size_t length = 0;
+
+    if (seat && seat->primary_selection_device) {
+        SDL_WaylandPrimarySelectionDevice *primary_selection_device = seat->primary_selection_device;
+        if (primary_selection_device->selection_source) {
+            text = Wayland_primary_selection_source_get_data(primary_selection_device->selection_source, TEXT_MIME, &length);
+        } else {
+            for (size_t i = 0; i < SDL_arraysize(text_mime_types); i++) {
+                if (Wayland_primary_selection_offer_has_mime(primary_selection_device->selection_offer, text_mime_types[i])) {
+                    text = Wayland_primary_selection_offer_receive(primary_selection_device->selection_offer, text_mime_types[i], &length);
+                    break;
+                }
+            }
+        }
+    }
+
+    if (!text) {
+        text = SDL_strdup("");
+    }
+
+    return text;
+}
+
+bool Wayland_HasPrimarySelectionText(SDL_VideoDevice *_this)
+{
+    SDL_VideoData *video_data = _this->internal;
+    SDL_WaylandSeat *seat = video_data->last_incoming_primary_selection_seat;
+    bool result = false;
+
+    if (seat && seat->primary_selection_device) {
+        SDL_WaylandPrimarySelectionDevice *primary_selection_device = seat->primary_selection_device;
+        if (primary_selection_device->selection_source) {
+            result = true;
+        } else {
+            size_t mime_count = 0;
+            const char **mime_types = Wayland_GetTextMimeTypes(_this, &mime_count);
+            for (size_t i = 0; i < mime_count; i++) {
+                if (Wayland_primary_selection_offer_has_mime(primary_selection_device->selection_offer, mime_types[i])) {
+                    result = true;
+                    break;
+                }
+            }
+        }
+    }
+    return result;
+}
+
+#endif // SDL_VIDEO_DRIVER_WAYLAND