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osc: implement OSC-5522, kitty's extended version of OSC-52
OSC-5522[^1] gives the terminal application access to all offered mime-types when reading the clipboard, and allows setting multiple mime-types when writing to the clipboard (with different contents, if it so wishes). In addition to the base protocol, we also implement the _event extension_[^2], where a paste action (e.g. ctrl+shift+v) results in an unsolicited mime-type listing being sent to the terminal application (as if it had issued a mime-type query itself), instead of the clipboard content being pasted directly. The application follows up with an explicit read request (or chooses to ignore the event). The protocol supports "passwords", as a way of bypassing terminal popups asking the user for approval, after the first popup has been approved by the user. Foot doesn't implement this kind of user approval, but all read and write requests are denied with EPERM if the user has disabled OSC copy/pasting with the security.osc52 configuration option. In addition, if disabled, event reporting cannot be enabled at all (i.e. 'CSI ? 5522 h' is ignored). [^1]: https://sw.kovidgoyal.net/kitty/clipboard/ [^2]: https://rockorager.dev/misc/bracketed-paste-mime/
This commit is contained in:
Daniel Eklöf
parent
4bc8a39d6c
commit
c366e322eb
13 changed files with 839 additions and 126 deletions
233
selection.c
233
selection.c
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@ -1631,6 +1631,29 @@ selection_primary_has_data(const struct seat *seat)
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return seat->primary.data_offer != NULL;
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}
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static void
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clipboard_reset(struct wl_clipboard *clipboard)
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{
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for (size_t i = 0; i < clipboard->kitty.data_count; i++)
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free(clipboard->kitty.data[i]);
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for (size_t i = 0; i < clipboard->kitty.mime_data_map_count; i++)
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free(clipboard->kitty.mime_data_map[i].mime_type);
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free(clipboard->text);
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free(clipboard->kitty.data);
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free(clipboard->kitty.data_len);
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free(clipboard->kitty.mime_data_map);
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clipboard->data_source = NULL;
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clipboard->serial = 0;
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clipboard->text = NULL;
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clipboard->kitty.data = NULL;
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clipboard->kitty.mime_data_map = NULL;
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clipboard->kitty.data_count = 0;
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clipboard->kitty.mime_data_map_count = 0;
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}
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void
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selection_clipboard_unset(struct seat *seat)
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{
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@ -1643,12 +1666,30 @@ selection_clipboard_unset(struct seat *seat)
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xassert(clipboard->serial != 0);
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wl_data_device_set_selection(seat->data_device, NULL, clipboard->serial);
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wl_data_source_destroy(clipboard->data_source);
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clipboard_reset(clipboard);
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}
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clipboard->data_source = NULL;
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clipboard->serial = 0;
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static void
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primary_reset(struct wl_primary *primary)
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{
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free(clipboard->text);
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clipboard->text = NULL;
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for (size_t i = 0; i < primary->kitty.data_count; i++)
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free(primary->kitty.data[i]);
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for (size_t i = 0; i < primary->kitty.mime_data_map_count; i++)
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free(primary->kitty.mime_data_map[i].mime_type);
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free(primary->text);
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free(primary->kitty.data);
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free(primary->kitty.data_len);
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free(primary->kitty.mime_data_map);
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primary->data_source = NULL;
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primary->serial = 0;
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primary->text = NULL;
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primary->kitty.data = NULL;
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primary->kitty.mime_data_map = NULL;
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primary->kitty.data_count = 0;
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primary->kitty.mime_data_map_count = 0;
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}
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void
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@ -1663,12 +1704,7 @@ selection_primary_unset(struct seat *seat)
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zwp_primary_selection_device_v1_set_selection(
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seat->primary_selection_device, NULL, primary->serial);
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zwp_primary_selection_source_v1_destroy(primary->data_source);
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primary->data_source = NULL;
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primary->serial = 0;
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free(primary->text);
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primary->text = NULL;
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primary_reset(primary);
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}
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static bool
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@ -1816,8 +1852,8 @@ done:
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}
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static void
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send_clipboard_or_primary(struct seat *seat, int fd, const char *selection,
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const char *source_name)
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send_clipboard_or_primary(struct seat *seat, int fd, const uint8_t *selection,
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size_t len, const char *source_name)
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{
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/* Make it NONBLOCK:ing right away - we don't want to block if the
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* initial attempt to send the data synchronously fails */
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@ -1829,17 +1865,18 @@ send_clipboard_or_primary(struct seat *seat, int fd, const char *selection,
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return;
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}
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size_t len = selection != NULL ? strlen(selection) : 0;
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size_t async_idx = 0;
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size_t async_idx = 0;
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switch (async_write(fd, selection, len, &async_idx)) {
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case ASYNC_WRITE_REMAIN: {
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struct clipboard_send *ctx = xmalloc(sizeof(*ctx));
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*ctx = (struct clipboard_send) {
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.data = xstrdup(&selection[async_idx]),
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//.data = xstrdup(&selection[async_idx]),
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.data = xmalloc(len - async_idx),
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.len = len - async_idx,
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.idx = 0,
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};
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memcpy(ctx->data, &selection[async_idx], ctx->len);
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if (fdm_add(seat->wayl->fdm, fd, EPOLLOUT, &fdm_send, ctx))
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return;
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@ -1868,7 +1905,21 @@ send(void *data, struct wl_data_source *wl_data_source, const char *mime_type,
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struct seat *seat = data;
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const struct wl_clipboard *clipboard = &seat->clipboard;
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send_clipboard_or_primary(seat, fd, clipboard->text, "clipboard");
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if (clipboard->text != NULL) {
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send_clipboard_or_primary(
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seat, fd, (const uint8_t *)clipboard->text, strlen(clipboard->text), "clipboard");
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} else {
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for (size_t i = 0; i < clipboard->kitty.mime_data_map_count; i++) {
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const struct mime_data_map *map = &clipboard->kitty.mime_data_map[i];
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if (streq(map->mime_type, mime_type)) {
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send_clipboard_or_primary(
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seat, fd, clipboard->kitty.data[map->data_idx],
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clipboard->kitty.data_len[map->data_idx], "clipboard");
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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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static void
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@ -1879,11 +1930,7 @@ cancelled(void *data, struct wl_data_source *wl_data_source)
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xassert(clipboard->data_source == wl_data_source);
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wl_data_source_destroy(clipboard->data_source);
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clipboard->data_source = NULL;
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clipboard->serial = 0;
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free(clipboard->text);
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clipboard->text = NULL;
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clipboard_reset(clipboard);
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}
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/* We don't support dragging *from* */
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@ -1922,7 +1969,21 @@ primary_send(void *data,
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struct seat *seat = data;
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const struct wl_primary *primary = &seat->primary;
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send_clipboard_or_primary(seat, fd, primary->text, "primary");
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if (primary->text != NULL) {
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send_clipboard_or_primary(
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seat, fd, (const uint8_t *)primary->text, strlen(primary->text), "primary");
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} else {
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for (size_t i = 0; i < primary->kitty.mime_data_map_count; i++) {
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const struct mime_data_map *map = &primary->kitty.mime_data_map[i];
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if (streq(map->mime_type, mime_type)) {
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send_clipboard_or_primary(
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seat, fd, primary->kitty.data[map->data_idx],
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primary->kitty.data_len[map->data_idx], "primary");
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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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static void
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@ -1933,11 +1994,7 @@ primary_cancelled(void *data,
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struct wl_primary *primary = &seat->primary;
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zwp_primary_selection_source_v1_destroy(primary->data_source);
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primary->data_source = NULL;
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primary->serial = 0;
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free(primary->text);
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primary->text = NULL;
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primary_reset(primary);
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}
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static const struct zwp_primary_selection_source_v1_listener primary_selection_source_listener = {
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@ -1946,12 +2003,15 @@ static const struct zwp_primary_selection_source_v1_listener primary_selection_s
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};
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bool
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text_to_clipboard(struct seat *seat, struct terminal *term, char *text, uint32_t serial)
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text_to_clipboard(struct seat *seat, struct terminal *term, char *text,
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struct kitty_clipboard_offer *kitty_data, uint32_t serial)
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{
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if (text == NULL || text[0] == '\0')
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return false;
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xassert(serial != 0);
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xassert((text != NULL && kitty_data == NULL) ||
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(text == NULL && kitty_data != NULL));
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struct wl_clipboard *clipboard = &seat->clipboard;
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@ -1960,11 +2020,7 @@ text_to_clipboard(struct seat *seat, struct terminal *term, char *text, uint32_t
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xassert(clipboard->serial != 0);
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wl_data_device_set_selection(seat->data_device, NULL, clipboard->serial);
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wl_data_source_destroy(clipboard->data_source);
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free(clipboard->text);
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clipboard->data_source = NULL;
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clipboard->serial = 0;
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clipboard->text = NULL;
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clipboard_reset(clipboard);
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}
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clipboard->data_source
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@ -1978,11 +2034,23 @@ text_to_clipboard(struct seat *seat, struct terminal *term, char *text, uint32_t
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clipboard->text = text;
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/* Configure source */
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wl_data_source_offer(clipboard->data_source, mime_type_map[DATA_OFFER_MIME_TEXT_UTF8]);
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wl_data_source_offer(clipboard->data_source, mime_type_map[DATA_OFFER_MIME_TEXT_PLAIN]);
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wl_data_source_offer(clipboard->data_source, mime_type_map[DATA_OFFER_MIME_TEXT_TEXT]);;
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wl_data_source_offer(clipboard->data_source, mime_type_map[DATA_OFFER_MIME_TEXT_STRING]);
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wl_data_source_offer(clipboard->data_source, mime_type_map[DATA_OFFER_MIME_TEXT_UTF8_STRING]);
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if (text != NULL) {
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wl_data_source_offer(clipboard->data_source, mime_type_map[DATA_OFFER_MIME_TEXT_UTF8]);
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wl_data_source_offer(clipboard->data_source, mime_type_map[DATA_OFFER_MIME_TEXT_PLAIN]);
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wl_data_source_offer(clipboard->data_source, mime_type_map[DATA_OFFER_MIME_TEXT_TEXT]);;
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wl_data_source_offer(clipboard->data_source, mime_type_map[DATA_OFFER_MIME_TEXT_STRING]);
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wl_data_source_offer(clipboard->data_source, mime_type_map[DATA_OFFER_MIME_TEXT_UTF8_STRING]);
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} else {
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xassert(clipboard->kitty.data_count == 0);
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xassert(clipboard->kitty.mime_data_map_count == 0);
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clipboard->kitty = *kitty_data;
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for (size_t i = 0; i < clipboard->kitty.mime_data_map_count; i++) {
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wl_data_source_offer(
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clipboard->data_source, clipboard->kitty.mime_data_map[i].mime_type);
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}
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}
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wl_data_source_add_listener(clipboard->data_source, &data_source_listener, seat);
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wl_data_device_set_selection(seat->data_device, clipboard->data_source, serial);
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@ -2000,7 +2068,7 @@ selection_to_clipboard(struct seat *seat, struct terminal *term, uint32_t serial
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/* Get selection as a string */
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char *text = selection_to_text(term);
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if (!text_to_clipboard(seat, term, text, serial))
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if (!text_to_clipboard(seat, term, text, NULL, serial))
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free(text);
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}
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@ -2339,11 +2407,11 @@ void
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text_from_clipboard(struct seat *seat, struct terminal *term,
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bool no_strip,
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void (*cb)(char *data, size_t size, void *user),
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void (*done)(void *user), void *user)
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void (*done)(void *user), void *user, const char *custom_mime_type)
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{
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struct wl_clipboard *clipboard = &seat->clipboard;
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if (clipboard->data_offer == NULL ||
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clipboard->mime_type == DATA_OFFER_MIME_UNSET)
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(clipboard->mime_type == DATA_OFFER_MIME_UNSET && custom_mime_type == NULL))
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{
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done(user);
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return;
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@ -2357,21 +2425,25 @@ text_from_clipboard(struct seat *seat, struct terminal *term,
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return;
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}
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LOG_DBG("receive from clipboard: mime-type=%s",
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mime_type_map[clipboard->mime_type]);
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const char *mime_type = custom_mime_type == NULL
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? mime_type_map[clipboard->mime_type]
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: custom_mime_type;
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LOG_DBG("receive from clipboard: mime-type=%s", mime_type);
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int read_fd = fds[0];
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int write_fd = fds[1];
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/* Give write-end of pipe to other client */
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wl_data_offer_receive(
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clipboard->data_offer, mime_type_map[clipboard->mime_type], write_fd);
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wl_data_offer_receive(clipboard->data_offer, mime_type, write_fd);
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/* Don't keep our copy of the write-end open (or we'll never get EOF) */
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close(write_fd);
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begin_receive_clipboard(
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term, no_strip, read_fd, clipboard->mime_type, cb, done, user);
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term, no_strip, read_fd,
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custom_mime_type == NULL ? clipboard->mime_type : DATA_OFFER_MIME_TYPE_CUSTOM,
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cb, done, user);
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}
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static void
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@ -2415,11 +2487,12 @@ selection_from_clipboard(struct seat *seat, struct terminal *term, uint32_t seri
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term_paste_data_to_slave(term, "\033[200~", 6);
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text_from_clipboard(
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seat, term, false, &receive_offer, &receive_offer_done, term);
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seat, term, false, &receive_offer, &receive_offer_done, term, NULL);
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}
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bool
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text_to_primary(struct seat *seat, struct terminal *term, char *text, uint32_t serial)
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text_to_primary(struct seat *seat, struct terminal *term, char *text,
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struct kitty_clipboard_offer *kitty_data, uint32_t serial)
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{
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if (text == NULL || text[0] == '\0')
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return false;
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@ -2428,6 +2501,8 @@ text_to_primary(struct seat *seat, struct terminal *term, char *text, uint32_t s
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return false;
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xassert(serial != 0);
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xassert((text != NULL && kitty_data == NULL) ||
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(text == NULL && kitty_data != NULL));
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struct wl_primary *primary = &seat->primary;
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@ -2439,11 +2514,7 @@ text_to_primary(struct seat *seat, struct terminal *term, char *text, uint32_t s
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zwp_primary_selection_device_v1_set_selection(
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seat->primary_selection_device, NULL, primary->serial);
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zwp_primary_selection_source_v1_destroy(primary->data_source);
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free(primary->text);
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primary->data_source = NULL;
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primary->serial = 0;
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primary->text = NULL;
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primary_reset(primary);
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}
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primary->data_source
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@ -2459,11 +2530,26 @@ text_to_primary(struct seat *seat, struct terminal *term, char *text, uint32_t s
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primary->text = text;
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/* Configure source */
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zwp_primary_selection_source_v1_offer(primary->data_source, mime_type_map[DATA_OFFER_MIME_TEXT_UTF8]);
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zwp_primary_selection_source_v1_offer(primary->data_source, mime_type_map[DATA_OFFER_MIME_TEXT_PLAIN]);
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zwp_primary_selection_source_v1_offer(primary->data_source, mime_type_map[DATA_OFFER_MIME_TEXT_TEXT]);
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zwp_primary_selection_source_v1_offer(primary->data_source, mime_type_map[DATA_OFFER_MIME_TEXT_STRING]);
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zwp_primary_selection_source_v1_offer(primary->data_source, mime_type_map[DATA_OFFER_MIME_TEXT_UTF8_STRING]);
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if (text != NULL) {
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xassert(primary->kitty.data_count == 0);
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xassert(primary->kitty.mime_data_map_count == 0);
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zwp_primary_selection_source_v1_offer(primary->data_source, mime_type_map[DATA_OFFER_MIME_TEXT_UTF8]);
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zwp_primary_selection_source_v1_offer(primary->data_source, mime_type_map[DATA_OFFER_MIME_TEXT_PLAIN]);
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zwp_primary_selection_source_v1_offer(primary->data_source, mime_type_map[DATA_OFFER_MIME_TEXT_TEXT]);
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zwp_primary_selection_source_v1_offer(primary->data_source, mime_type_map[DATA_OFFER_MIME_TEXT_STRING]);
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zwp_primary_selection_source_v1_offer(primary->data_source, mime_type_map[DATA_OFFER_MIME_TEXT_UTF8_STRING]);
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} else {
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xassert(primary->kitty.data_count == 0);
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xassert(primary->kitty.mime_data_map_count == 0);
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primary->kitty = *kitty_data;
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for (size_t i = 0; i < primary->kitty.mime_data_map_count; i++) {
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zwp_primary_selection_source_v1_offer(
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primary->data_source, primary->kitty.mime_data_map[i].mime_type);
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}
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}
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zwp_primary_selection_source_v1_add_listener(primary->data_source, &primary_selection_source_listener, seat);
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zwp_primary_selection_device_v1_set_selection(seat->primary_selection_device, primary->data_source, serial);
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@ -2481,7 +2567,7 @@ selection_to_primary(struct seat *seat, struct terminal *term, uint32_t serial)
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/* Get selection as a string */
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char *text = selection_to_text(term);
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if (!text_to_primary(seat, term, text, serial))
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if (!text_to_primary(seat, term, text, NULL, serial))
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free(text);
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}
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@ -2489,7 +2575,7 @@ void
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text_from_primary(
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struct seat *seat, struct terminal *term, bool no_strip,
|
||||
void (*cb)(char *data, size_t size, void *user),
|
||||
void (*done)(void *user), void *user)
|
||||
void (*done)(void *user), void *user, const char *custom_mime_type)
|
||||
{
|
||||
if (term->wl->primary_selection_device_manager == NULL) {
|
||||
done(user);
|
||||
|
|
@ -2498,7 +2584,7 @@ text_from_primary(
|
|||
|
||||
struct wl_primary *primary = &seat->primary;
|
||||
if (primary->data_offer == NULL ||
|
||||
primary->mime_type == DATA_OFFER_MIME_UNSET)
|
||||
(primary->mime_type == DATA_OFFER_MIME_UNSET && custom_mime_type == NULL))
|
||||
{
|
||||
done(user);
|
||||
return;
|
||||
|
|
@ -2512,21 +2598,25 @@ text_from_primary(
|
|||
return;
|
||||
}
|
||||
|
||||
LOG_DBG("receive from primary: mime-type=%s",
|
||||
mime_type_map[primary->mime_type]);
|
||||
const char *mime_type = custom_mime_type == NULL
|
||||
? mime_type_map[primary->mime_type]
|
||||
: custom_mime_type;
|
||||
|
||||
LOG_DBG("receive from primary: mime-type=%s", mime_type);
|
||||
|
||||
int read_fd = fds[0];
|
||||
int write_fd = fds[1];
|
||||
|
||||
/* Give write-end of pipe to other client */
|
||||
zwp_primary_selection_offer_v1_receive(
|
||||
primary->data_offer, mime_type_map[primary->mime_type], write_fd);
|
||||
zwp_primary_selection_offer_v1_receive(primary->data_offer, mime_type, write_fd);
|
||||
|
||||
/* Don't keep our copy of the write-end open (or we'll never get EOF) */
|
||||
close(write_fd);
|
||||
|
||||
begin_receive_clipboard(
|
||||
term, no_strip, read_fd, primary->mime_type, cb, done, user);
|
||||
term, no_strip, read_fd,
|
||||
custom_mime_type == NULL ? primary->mime_type : DATA_OFFER_MIME_TYPE_CUSTOM,
|
||||
cb, done, user);
|
||||
}
|
||||
|
||||
void
|
||||
|
|
@ -2549,7 +2639,7 @@ selection_from_primary(struct seat *seat, struct terminal *term)
|
|||
term_paste_data_to_slave(term, "\033[200~", 6);
|
||||
|
||||
text_from_primary(
|
||||
seat, term, false, &receive_offer, &receive_offer_done, term);
|
||||
seat, term, false, &receive_offer, &receive_offer_done, term, NULL);
|
||||
}
|
||||
|
||||
static void
|
||||
|
|
@ -2614,6 +2704,9 @@ select_mime_type_for_offer(const char *_mime_type,
|
|||
|
||||
case DATA_OFFER_MIME_UNSET:
|
||||
break;
|
||||
|
||||
case DATA_OFFER_MIME_TYPE_CUSTOM:
|
||||
BUG("the custom mime-type should never have been selected");
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -2627,6 +2720,7 @@ data_offer_reset(struct wl_clipboard *clipboard)
|
|||
|
||||
clipboard->window = NULL;
|
||||
clipboard->mime_type = DATA_OFFER_MIME_UNSET;
|
||||
tll_free_and_free(clipboard->all_mime_types, free);
|
||||
}
|
||||
|
||||
static void
|
||||
|
|
@ -2634,6 +2728,7 @@ offer(void *data, struct wl_data_offer *wl_data_offer, const char *mime_type)
|
|||
{
|
||||
struct seat *seat = data;
|
||||
select_mime_type_for_offer(mime_type, &seat->clipboard.mime_type);
|
||||
tll_push_back(seat->clipboard.all_mime_types, xstrdup(mime_type));
|
||||
}
|
||||
|
||||
static void
|
||||
|
|
@ -2844,6 +2939,7 @@ drop(void *data, struct wl_data_device *wl_data_device)
|
|||
/* data offer is now "owned" by the receive context */
|
||||
clipboard->data_offer = NULL;
|
||||
clipboard->mime_type = DATA_OFFER_MIME_UNSET;
|
||||
tll_free_and_free(clipboard->all_mime_types, free);
|
||||
}
|
||||
|
||||
static void
|
||||
|
|
@ -2875,6 +2971,7 @@ primary_offer(void *data,
|
|||
LOG_DBG("primary offer: %s", mime_type);
|
||||
struct seat *seat = data;
|
||||
select_mime_type_for_offer(mime_type, &seat->primary.mime_type);
|
||||
tll_push_back(seat->primary.all_mime_types, xstrdup(mime_type));
|
||||
}
|
||||
|
||||
static const struct zwp_primary_selection_offer_v1_listener primary_selection_offer_listener = {
|
||||
|
|
@ -2890,6 +2987,7 @@ primary_offer_reset(struct wl_primary *primary)
|
|||
}
|
||||
|
||||
primary->mime_type = DATA_OFFER_MIME_UNSET;
|
||||
tll_free_and_free(primary->all_mime_types, free);
|
||||
}
|
||||
|
||||
static void
|
||||
|
|
@ -2922,4 +3020,3 @@ const struct zwp_primary_selection_device_v1_listener primary_selection_device_l
|
|||
.data_offer = &primary_data_offer,
|
||||
.selection = &primary_selection,
|
||||
};
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue