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[client] clipboard/wayland: implement VM-to-host image copy
Co-authored-by: Quantum <quantum2048@gmail.com>
This commit is contained in:
parent
c58f33f5ab
commit
2bfd066833
1 changed files with 64 additions and 19 deletions
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@ -28,6 +28,7 @@ Place, Suite 330, Boston, MA 02111-1307 USA
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struct transfer {
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struct transfer {
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void * data;
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void * data;
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size_t size;
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size_t size;
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const char ** mimetypes;
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};
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};
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struct state
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struct state
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@ -58,8 +59,56 @@ static const char * text_mimetypes[] =
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"TEXT",
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"TEXT",
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"STRING",
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"STRING",
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"UTF8_STRING",
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"UTF8_STRING",
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NULL,
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};
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};
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static const char * png_mimetypes[] =
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{
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"image/png",
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NULL,
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};
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static const char * bmp_mimetypes[] =
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{
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"image/bmp",
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"image/x-bmp",
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"image/x-MS-bmp",
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"image/x-win-bitmap",
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NULL,
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};
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static const char * tiff_mimetypes[] =
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{
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"image/tiff",
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NULL,
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};
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static const char * jpeg_mimetypes[] =
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{
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"image/jpeg",
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NULL,
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};
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static const char ** cb_type_to_mimetypes(enum LG_ClipboardData type)
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{
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switch (type)
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{
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case LG_CLIPBOARD_DATA_TEXT:
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return text_mimetypes;
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case LG_CLIPBOARD_DATA_PNG:
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return png_mimetypes;
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case LG_CLIPBOARD_DATA_BMP:
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return bmp_mimetypes;
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case LG_CLIPBOARD_DATA_TIFF:
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return tiff_mimetypes;
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case LG_CLIPBOARD_DATA_JPEG:
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return jpeg_mimetypes;
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default:
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DEBUG_ERROR("invalid clipboard type");
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abort();
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}
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}
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static const char * wayland_cb_getName()
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static const char * wayland_cb_getName()
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{
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{
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return "Wayland";
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return "Wayland";
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@ -208,19 +257,20 @@ static void wayland_cb_wmevent(SDL_SysWMmsg * msg)
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{
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{
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}
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}
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static bool is_text_mimetype(const char * mime_type)
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static bool is_valid_mimetype(struct transfer * transfer,
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const char * needle)
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{
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{
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for (int i = 0; i < sizeof(text_mimetypes)/sizeof(char *); i++)
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for (const char ** mimetype = transfer->mimetypes; *mimetype; mimetype++)
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if (!strcmp(mime_type, text_mimetypes[i]))
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if (!strcmp(needle, *mimetype))
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return true;
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return true;
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return false;
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return false;
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}
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}
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static void data_source_handle_send(void * data, struct wl_data_source * source,
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static void data_source_handle_send(void * data, struct wl_data_source * source,
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const char * mime_type, int fd) {
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const char * mimetype, int fd) {
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struct transfer * transfer = (struct transfer *) data;
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struct transfer *transfer = (struct transfer *) data;
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if (is_text_mimetype(mime_type))
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if (is_valid_mimetype(transfer, mimetype))
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{
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{
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// Consider making this do non-blocking sends to not stall the Wayland
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// Consider making this do non-blocking sends to not stall the Wayland
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// event loop if it becomes a problem. This is "fine" in the sense that
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// event loop if it becomes a problem. This is "fine" in the sense that
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@ -263,16 +313,17 @@ static void wayland_cb_reply_fn(void * opaque, LG_ClipboardData type, uint8_t *
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struct transfer * transfer = malloc(sizeof(struct transfer));
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struct transfer * transfer = malloc(sizeof(struct transfer));
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void * data_copy = malloc(size);
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void * data_copy = malloc(size);
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memcpy(data_copy, data, size);
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memcpy(data_copy, data, size);
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transfer->data = data_copy;
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*transfer = (struct transfer) {
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transfer->size = size;
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.data = data_copy,
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.size = size,
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.mimetypes = cb_type_to_mimetypes(type),
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};
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struct wl_data_source *source =
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struct wl_data_source * source =
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wl_data_device_manager_create_data_source(this->data_device_manager);
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wl_data_device_manager_create_data_source(this->data_device_manager);
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wl_data_source_add_listener(source, &data_source_listener, transfer);
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wl_data_source_add_listener(source, &data_source_listener, transfer);
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for (int i = 0; i < sizeof(text_mimetypes)/sizeof(*text_mimetypes); i++)
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for (const char ** mimetype = transfer->mimetypes; *mimetype; mimetype++)
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{
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wl_data_source_offer(source, *mimetype);
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wl_data_source_offer(source, text_mimetypes[i]);
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}
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wl_data_device_set_selection(this->data_device, source,
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wl_data_device_set_selection(this->data_device, source,
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this->keyboard_enter_serial);
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this->keyboard_enter_serial);
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@ -280,12 +331,6 @@ static void wayland_cb_reply_fn(void * opaque, LG_ClipboardData type, uint8_t *
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static void wayland_cb_notice(LG_ClipboardRequestFn requestFn, LG_ClipboardData type)
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static void wayland_cb_notice(LG_ClipboardRequestFn requestFn, LG_ClipboardData type)
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{
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{
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if (type != LG_CLIPBOARD_DATA_TEXT)
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{
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DEBUG_ERROR("Only text selection currently supported");
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return;
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}
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this->requestFn = requestFn;
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this->requestFn = requestFn;
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this->type = type;
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this->type = type;
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