mirror of
https://github.com/hyprwm/wlroots-hyprland.git
synced 2024-11-04 20:55:58 +01:00
xwayland: use a separate window for drag'n'drop
This commit is contained in:
parent
d5f46f4db4
commit
cadfccf1fd
2 changed files with 85 additions and 46 deletions
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@ -115,6 +115,8 @@ struct wlr_xwm {
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xcb_window_t selection_window;
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struct wlr_xwm_selection clipboard_selection;
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struct wlr_xwm_selection primary_selection;
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xcb_window_t dnd_window;
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struct wlr_xwm_selection dnd_selection;
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struct wlr_xwayland_surface *focus_surface;
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@ -50,6 +50,14 @@ static void xwm_selection_send_notify(struct wlr_xwm_selection *selection,
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.property = property,
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};
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wlr_log(L_DEBUG, "SendEvent destination=%d SelectionNotify(31) time=%d "
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"requestor=%d selection=%d target=%d property=%d",
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selection->request.requestor,
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selection->request.time,
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selection->request.requestor,
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selection->request.selection,
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selection->request.target,
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property);
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xcb_send_event(selection->xwm->xcb_conn,
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0, // propagate
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selection->request.requestor,
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@ -188,7 +196,7 @@ static void xwm_selection_source_send(struct wlr_xwm_selection *selection,
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struct wlr_data_source *source =
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selection->xwm->seat->selection_source;
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if (source != NULL) {
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source->send(source, mime_type, fd);
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wlr_data_source_send(source, mime_type, fd);
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return;
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}
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} else if (selection == &selection->xwm->primary_selection) {
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@ -202,7 +210,7 @@ static void xwm_selection_source_send(struct wlr_xwm_selection *selection,
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struct wlr_data_source *source =
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selection->xwm->seat->drag_source;
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if (source != NULL) {
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source->send(source, mime_type, fd);
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wlr_data_source_send(source, mime_type, fd);
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return;
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}
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}
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@ -282,6 +290,8 @@ static void xwm_selection_send_data(struct wlr_xwm_selection *selection,
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selection->source_fd, WL_EVENT_READABLE, xwm_data_source_read,
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selection);
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wlr_log(L_DEBUG, "Sending Wayland selection to Xwayland window with "
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"MIME type %s", mime_type);
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xwm_selection_source_send(selection, mime_type, p[1]);
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close(p[1]);
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}
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@ -345,7 +355,7 @@ static void xwm_dnd_send_enter(struct wlr_xwm *xwm) {
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struct wl_array *mime_types = &drag->source->mime_types;
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xcb_client_message_data_t data = { 0 };
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data.data32[0] = xwm->dnd_selection.window;
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data.data32[0] = xwm->dnd_window;
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data.data32[1] = XDND_VERSION << 24;
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// If we have 3 MIME types or less, we can send them directly in the
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@ -375,7 +385,7 @@ static void xwm_dnd_send_enter(struct wlr_xwm *xwm) {
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xcb_change_property(xwm->xcb_conn,
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XCB_PROP_MODE_REPLACE,
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xwm->dnd_selection.window,
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xwm->dnd_window,
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xwm->atoms[DND_TYPE_LIST],
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XCB_ATOM_ATOM,
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32, // format
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@ -391,7 +401,7 @@ static void xwm_dnd_send_position(struct wlr_xwm *xwm, uint32_t time, int16_t x,
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assert(drag != NULL);
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xcb_client_message_data_t data = { 0 };
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data.data32[0] = xwm->dnd_selection.window;
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data.data32[0] = xwm->dnd_window;
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data.data32[2] = (x << 16) | y;
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data.data32[3] = time;
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data.data32[4] =
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@ -407,7 +417,7 @@ static void xwm_dnd_send_drop(struct wlr_xwm *xwm, uint32_t time) {
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assert(dest != NULL);
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xcb_client_message_data_t data = { 0 };
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data.data32[0] = xwm->dnd_selection.window;
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data.data32[0] = xwm->dnd_window;
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data.data32[2] = time;
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xwm_dnd_send_event(xwm, xwm->atoms[DND_DROP], &data);
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@ -420,7 +430,7 @@ static void xwm_dnd_send_leave(struct wlr_xwm *xwm) {
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assert(dest != NULL);
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xcb_client_message_data_t data = { 0 };
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data.data32[0] = xwm->dnd_selection.window;
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data.data32[0] = xwm->dnd_window;
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xwm_dnd_send_event(xwm, xwm->atoms[DND_LEAVE], &data);
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}
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@ -432,7 +442,7 @@ static void xwm_dnd_send_leave(struct wlr_xwm *xwm) {
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assert(dest != NULL);
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xcb_client_message_data_t data = { 0 };
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data.data32[0] = xwm->dnd_selection.window;
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data.data32[0] = xwm->dnd_window;
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data.data32[1] = drag->source->accepted;
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if (drag->source->accepted) {
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@ -496,8 +506,11 @@ static void xwm_handle_selection_request(struct wlr_xwm *xwm,
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xcb_selection_request_event_t *selection_request =
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(xcb_selection_request_event_t *) event;
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wlr_log(L_DEBUG, "XCB_SELECTION_REQUEST (selection=%u, target=%u)",
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selection_request->selection, selection_request->target);
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wlr_log(L_DEBUG, "XCB_SELECTION_REQUEST (time=%u owner=%u, requestor=%u "
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"selection=%u, target=%u, property=%u)",
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selection_request->time, selection_request->owner,
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selection_request->requestor, selection_request->selection,
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selection_request->target, selection_request->property);
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if (selection_request->selection == xwm->atoms[CLIPBOARD_MANAGER]) {
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// The wlroots clipboard should already have grabbed the first target,
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@ -514,7 +527,12 @@ static void xwm_handle_selection_request(struct wlr_xwm *xwm,
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struct wlr_xwm_selection *selection =
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xwm_get_selection(xwm, selection_request->selection);
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if (selection == NULL) {
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xwm_selection_send_notify(selection, XCB_ATOM_NONE);
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wlr_log(L_DEBUG, "received selection request for unknown selection");
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return;
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}
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if (selection->window != selection_request->owner) {
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wlr_log(L_DEBUG, "received selection request with invalid owner");
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return;
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}
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@ -588,8 +606,7 @@ static int xwm_data_source_write(int fd, uint32_t mask, void *data) {
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xwm_data_source_remove_property_source(selection);
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if (selection->incr) {
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xcb_delete_property(xwm->xcb_conn,
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selection->window,
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xcb_delete_property(xwm->xcb_conn, selection->window,
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xwm->atoms[WL_SELECTION]);
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} else {
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wlr_log(L_DEBUG, "transfer complete");
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@ -687,27 +704,37 @@ struct x11_data_source {
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struct wl_array mime_types_atoms;
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};
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static void data_source_accept(struct wlr_data_source *base, uint32_t time,
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const char *mime_type) {
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// No-op
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static const struct wlr_data_source_impl data_source_impl;
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static struct x11_data_source *data_source_from_wlr_data_source(
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struct wlr_data_source *wlr_source) {
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assert(wlr_source->impl == &data_source_impl);
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return (struct x11_data_source *)wlr_source;
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}
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static void data_source_send(struct wlr_data_source *base,
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static void data_source_send(struct wlr_data_source *wlr_source,
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const char *mime_type, int32_t fd) {
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struct x11_data_source *source = (struct x11_data_source *)base;
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struct x11_data_source *source =
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data_source_from_wlr_data_source(wlr_source);
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struct wlr_xwm_selection *selection = source->selection;
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source_send(selection, &base->mime_types, &source->mime_types_atoms,
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source_send(selection, &wlr_source->mime_types, &source->mime_types_atoms,
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mime_type, fd);
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}
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static void data_source_cancel(struct wlr_data_source *base) {
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struct x11_data_source *source = (struct x11_data_source *)base;
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static void data_source_cancel(struct wlr_data_source *wlr_source) {
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struct x11_data_source *source =
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data_source_from_wlr_data_source(wlr_source);
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wlr_data_source_finish(&source->base);
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wl_array_release(&source->mime_types_atoms);
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free(source);
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}
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static const struct wlr_data_source_impl data_source_impl = {
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.send = data_source_send,
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.cancel = data_source_cancel,
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};
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struct x11_primary_selection_source {
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struct wlr_primary_selection_source base;
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struct wlr_xwm_selection *selection;
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@ -820,10 +847,7 @@ static void xwm_selection_get_targets(struct wlr_xwm_selection *selection) {
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if (source == NULL) {
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return;
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}
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wlr_data_source_init(&source->base);
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source->base.accept = data_source_accept;
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source->base.send = data_source_send;
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source->base.cancel = data_source_cancel;
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wlr_data_source_init(&source->base, &data_source_impl);
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source->selection = selection;
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wl_array_init(&source->mime_types_atoms);
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@ -834,7 +858,7 @@ static void xwm_selection_get_targets(struct wlr_xwm_selection *selection) {
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wlr_seat_set_selection(xwm->seat, &source->base,
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wl_display_next_serial(xwm->xwayland->wl_display));
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} else {
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source->base.cancel(&source->base);
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wlr_data_source_cancel(&source->base);
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}
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} else if (selection == &xwm->primary_selection) {
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struct x11_primary_selection_source *source =
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@ -1005,12 +1029,9 @@ int xwm_handle_selection_client_message(struct wlr_xwm *xwm,
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struct wlr_drag *drag = xwm->drag;
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assert(drag != NULL);
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drag->source->accepted = accepted;
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drag->source->current_dnd_action = action;
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if (drag->source->dnd_action) {
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drag->source->dnd_action(drag->source, action);
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}
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drag->source->accepted = accepted;
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wlr_data_source_dnd_action(drag->source, action);
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wlr_log(L_DEBUG, "DND_STATUS window=%d accepted=%d action=%d",
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target_window, accepted, action);
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@ -1025,6 +1046,8 @@ int xwm_handle_selection_client_message(struct wlr_xwm *xwm,
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return 1;
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}
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struct wlr_data_source *source = xwm->seat->drag_source;
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xcb_client_message_data_t *data = &ev->data;
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xcb_window_t target_window = data->data32[0];
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bool performed = data->data32[1] & 1;
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@ -1041,10 +1064,7 @@ int xwm_handle_selection_client_message(struct wlr_xwm *xwm,
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data_device_manager_dnd_action_from_atom(xwm, action_atom);
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if (performed) {
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struct wlr_data_source *source = xwm->seat->drag_source;
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if (source->dnd_finish) {
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source->dnd_finish(source);
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}
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wlr_data_source_dnd_finish(source);
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}
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wlr_log(L_DEBUG, "DND_FINISH window=%d performed=%d action=%d",
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@ -1072,7 +1092,9 @@ static void selection_init(struct wlr_xwm *xwm,
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void xwm_selection_init(struct wlr_xwm *xwm) {
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// Clipboard and primary selection
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uint32_t selection_values[] = { XCB_EVENT_MASK_PROPERTY_CHANGE };
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uint32_t selection_values[] = {
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XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY | XCB_EVENT_MASK_PROPERTY_CHANGE
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};
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xwm->selection_window = xcb_generate_id(xwm->xcb_conn);
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xcb_create_window(xwm->xcb_conn,
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XCB_COPY_FROM_PARENT,
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@ -1094,15 +1116,29 @@ void xwm_selection_init(struct wlr_xwm *xwm) {
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selection_init(xwm, &xwm->primary_selection, xwm->atoms[PRIMARY]);
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// Drag'n'drop
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uint32_t dnd_values[] = {
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XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY | XCB_EVENT_MASK_PROPERTY_CHANGE
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};
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xwm->dnd_window = xcb_generate_id(xwm->xcb_conn);
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xcb_create_window(xwm->xcb_conn,
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XCB_COPY_FROM_PARENT,
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xwm->dnd_window,
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xwm->screen->root,
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0, 0,
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8192, 8192,
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0,
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XCB_WINDOW_CLASS_INPUT_ONLY,
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xwm->screen->root_visual,
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XCB_CW_EVENT_MASK, dnd_values);
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uint32_t version = XDND_VERSION;
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xcb_change_property(xwm->xcb_conn,
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XCB_PROP_MODE_REPLACE,
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xwm->selection_window,
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xwm->dnd_window,
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xwm->atoms[DND_AWARE],
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XCB_ATOM_ATOM,
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32,
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1,
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&version);
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32, // format
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1, &version);
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selection_init(xwm, &xwm->dnd_selection, xwm->atoms[DND_SELECTION]);
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}
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@ -1114,9 +1150,12 @@ void xwm_selection_finish(struct wlr_xwm *xwm) {
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if (xwm->selection_window) {
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xcb_destroy_window(xwm->xcb_conn, xwm->selection_window);
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}
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if (xwm->dnd_window) {
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xcb_destroy_window(xwm->xcb_conn, xwm->dnd_window);
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}
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if (xwm->seat) {
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if (xwm->seat->selection_source &&
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xwm->seat->selection_source->cancel == data_source_cancel) {
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xwm->seat->selection_source->impl == &data_source_impl) {
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wlr_seat_set_selection(xwm->seat, NULL,
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wl_display_next_serial(xwm->xwayland->wl_display));
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}
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@ -1153,7 +1192,7 @@ static void seat_handle_selection(struct wl_listener *listener,
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wl_container_of(listener, xwm, seat_selection);
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struct wlr_data_source *source = seat->selection_source;
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if (source != NULL && source->send == data_source_send) {
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if (source != NULL && source->impl == &data_source_impl) {
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return;
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}
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@ -1195,10 +1234,8 @@ static void seat_handle_drag_focus(struct wl_listener *listener, void *data) {
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}
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if (xwm->drag_focus != NULL) {
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if (drag->source->dnd_action) {
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drag->source->dnd_action(drag->source,
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WL_DATA_DEVICE_MANAGER_DND_ACTION_NONE);
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}
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wlr_data_source_dnd_action(drag->source,
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WL_DATA_DEVICE_MANAGER_DND_ACTION_NONE);
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xwm_dnd_send_leave(xwm);
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}
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