mirrors/wlroots
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/wlroots/wlroots.git synced 2025-11-09 13:29:46 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

xwayland: send DND_ENTER

Browse source
This commit is contained in:
emersion 2018-03-28 12:59:11 -04:00
parent b6c1760de5
commit 0d7a81ccdf
No known key found for this signature in database
GPG key ID: 0FDE7BE0E88F5E48
7 changed files with 192 additions and 82 deletions
Download patch file Download diff file Expand all files Collapse all files

173
xwayland/selection.c
View file

@ -12,7 +12,7 @@
static const size_t incr_chunk_size = 64 * 1024;
static xcb_atom_t data_device_manager_dnd_action_to_atom(
/*static xcb_atom_t data_device_manager_dnd_action_to_atom(
struct wlr_xwm *xwm, enum wl_data_device_manager_dnd_action action) {
if (action & WL_DATA_DEVICE_MANAGER_DND_ACTION_COPY) {
return xwm->atoms[DND_ACTION_COPY];
@ -36,7 +36,7 @@ static enum wl_data_device_manager_dnd_action
return WL_DATA_DEVICE_MANAGER_DND_ACTION_ASK;
}
return WL_DATA_DEVICE_MANAGER_DND_ACTION_NONE;
}
}*/
static void xwm_selection_send_notify(struct wlr_xwm_selection *selection,
xcb_atom_t property) {
@ -241,6 +241,81 @@ static void xwm_selection_send_timestamp(struct wlr_xwm_selection *selection) {
xwm_selection_send_notify(selection, selection->request.property);
}
static xcb_atom_t xwm_get_mime_type_atom(struct wlr_xwm *xwm, char *mime_type) {
if (strcmp(mime_type, "text/plain;charset=utf-8") == 0) {
return xwm->atoms[UTF8_STRING];
} else if (strcmp(mime_type, "text/plain") == 0) {
return xwm->atoms[TEXT];
}
xcb_intern_atom_cookie_t cookie =
xcb_intern_atom(xwm->xcb_conn, 0, strlen(mime_type), mime_type);
xcb_intern_atom_reply_t *reply =
xcb_intern_atom_reply(xwm->xcb_conn, cookie, NULL);
if (reply == NULL) {
return XCB_ATOM_NONE;
}
xcb_atom_t atom = reply->atom;
free(reply);
return atom;
}
static void xwm_dnd_send_enter(struct wlr_xwm *xwm, struct wlr_drag *drag,
struct wlr_xwayland_surface *dest) {
struct wl_array *mime_types = &drag->source->mime_types;
xcb_client_message_data_t data = { 0 };
data.data32[0] = xwm->dnd_selection.window;
data.data32[1] = XDND_VERSION << 24;
size_t n = mime_types->size / sizeof(char *);
if (n <= 3) {
size_t i = 0;
char **mime_type_ptr;
wl_array_for_each(mime_type_ptr, mime_types) {
char *mime_type = *mime_type_ptr;
data.data32[2+i] = xwm_get_mime_type_atom(xwm, mime_type);
++i;
}
} else {
// Let the client know that targets are not contained in the message
// data and must be retrieved with the DND_TYPE_LIST property
data.data32[1] |= 1;
xcb_atom_t targets[n];
size_t i = 0;
char **mime_type_ptr;
wl_array_for_each(mime_type_ptr, mime_types) {
char *mime_type = *mime_type_ptr;
targets[i] = xwm_get_mime_type_atom(xwm, mime_type);
++i;
}
xcb_change_property(xwm->xcb_conn,
XCB_PROP_MODE_REPLACE,
xwm->dnd_selection.window,
xwm->atoms[DND_TYPE_LIST],
XCB_ATOM_ATOM,
32, // format
n, targets);
}
xcb_client_message_event_t event = {
.response_type = XCB_CLIENT_MESSAGE,
.format = 32,
.sequence = 0,
.window = dest->window_id,
.type = xwm->atoms[DND_ENTER],
.data = data,
};
xcb_send_event(xwm->xcb_conn,
0, // propagate
dest->window_id,
XCB_EVENT_MASK_NO_EVENT,
(const char *)&event);
}
static struct wl_array *xwm_selection_source_get_mime_types(
struct wlr_xwm_selection *selection) {
if (selection == &selection->xwm->clipboard_selection) {
@ -271,35 +346,15 @@ static void xwm_selection_send_targets(struct wlr_xwm_selection *selection) {
}
size_t n = 2 + mime_types->size / sizeof(char *);
xcb_atom_t *targets = malloc(n * sizeof(xcb_atom_t));
if (targets == NULL) {
return;
}
xcb_atom_t targets[n];
targets[0] = xwm->atoms[TIMESTAMP];
targets[1] = xwm->atoms[TARGETS];
size_t i = 2;
size_t i = 0;
char **mime_type_ptr;
wl_array_for_each(mime_type_ptr, mime_types) {
char *mime_type = *mime_type_ptr;
xcb_atom_t atom;
if (strcmp(mime_type, "text/plain;charset=utf-8") == 0) {
atom = xwm->atoms[UTF8_STRING];
} else if (strcmp(mime_type, "text/plain") == 0) {
atom = xwm->atoms[TEXT];
} else {
xcb_intern_atom_cookie_t cookie =
xcb_intern_atom(xwm->xcb_conn, 0, strlen(mime_type), mime_type);
xcb_intern_atom_reply_t *reply =
xcb_intern_atom_reply(xwm->xcb_conn, cookie, NULL);
if (reply == NULL) {
--n;
continue;
}
atom = reply->atom;
free(reply);
}
targets[i] = atom;
targets[2+i] = xwm_get_mime_type_atom(xwm, mime_type);
++i;
}
@ -312,8 +367,6 @@ static void xwm_selection_send_targets(struct wlr_xwm_selection *selection) {
n, targets);
xwm_selection_send_notify(selection, selection->request.property);
free(targets);
}
static struct wlr_xwm_selection *xwm_get_selection(struct wlr_xwm *xwm,
@ -322,6 +375,8 @@ static struct wlr_xwm_selection *xwm_get_selection(struct wlr_xwm *xwm,
return &xwm->clipboard_selection;
} else if (selection_atom == xwm->atoms[PRIMARY]) {
return &xwm->primary_selection;
} else if (selection_atom == xwm->atoms[DND_SELECTION]) {
return &xwm->dnd_selection;
} else {
return NULL;
}
@ -856,28 +911,18 @@ void xwm_selection_init(struct wlr_xwm *xwm) {
selection_init(xwm, &xwm->primary_selection, xwm->atoms[PRIMARY]);
// Drag'n'drop
uint32_t dnd_values[] = { XCB_EVENT_MASK_PROPERTY_CHANGE };
xwm->dnd_window = xcb_generate_id(xwm->xcb_conn);
xcb_create_window(xwm->xcb_conn,
XCB_COPY_FROM_PARENT,
xwm->dnd_window,
xwm->screen->root,
0, 0,
10, 10,
0,
XCB_WINDOW_CLASS_INPUT_OUTPUT,
xwm->screen->root_visual,
XCB_CW_EVENT_MASK, dnd_values);
uint32_t version = XDND_VERSION;
xcb_change_property(xwm->xcb_conn,
XCB_PROP_MODE_REPLACE,
xwm->dnd_window,
xwm->selection_window,
xwm->atoms[DND_AWARE],
XCB_ATOM_ATOM,
32,
1,
&version);
selection_init(xwm, &xwm->dnd_selection, xwm->atoms[DND_SELECTION]);
wlr_log(L_DEBUG, "DND_SELECTION=%d", xwm->atoms[DND_SELECTION]);
}
void xwm_selection_finish(struct wlr_xwm *xwm) {
@ -887,9 +932,6 @@ void xwm_selection_finish(struct wlr_xwm *xwm) {
if (xwm->selection_window) {
xcb_destroy_window(xwm->xcb_conn, xwm->selection_window);
}
if (xwm->dnd_window) {
xcb_destroy_window(xwm->xcb_conn, xwm->dnd_window);
}
if (xwm->seat) {
if (xwm->seat->selection_data_source &&
xwm->seat->selection_data_source->cancel == data_source_cancel) {
@ -903,7 +945,6 @@ void xwm_selection_finish(struct wlr_xwm *xwm) {
}
wlr_xwayland_set_seat(xwm->xwayland, NULL);
}
}
static void xwm_selection_set_owner(struct wlr_xwm_selection *selection,
@ -951,10 +992,50 @@ static void seat_handle_primary_selection(struct wl_listener *listener,
xwm_selection_set_owner(&xwm->primary_selection, source != NULL);
}
static void seat_handle_drag_focus(struct wl_listener *listener, void *data) {
struct wlr_drag *drag = data;
struct wlr_xwm *xwm = wl_container_of(listener, xwm, seat_drag_focus);
// TODO: check for subsurfaces?
bool found = false;
struct wlr_xwayland_surface *surface;
wl_list_for_each(surface, &xwm->surfaces, link) {
if (surface->surface == drag->focus) {
found = true;
break;
}
}
if (!found) {
return;
}
xwm_dnd_send_enter(xwm, drag, surface);
}
static void seat_handle_drag_destroy(struct wl_listener *listener, void *data) {
struct wlr_xwm *xwm = wl_container_of(listener, xwm, seat_drag_destroy);
wl_list_remove(&xwm->seat_drag_focus.link);
wl_list_remove(&xwm->seat_drag_destroy.link);
}
static void seat_handle_start_drag(struct wl_listener *listener, void *data) {
struct wlr_drag *drag = data;
struct wlr_xwm *xwm = wl_container_of(listener, xwm, seat_start_drag);
xwm_selection_set_owner(&xwm->dnd_selection, drag != NULL);
wl_signal_add(&drag->events.focus, &xwm->seat_drag_focus);
xwm->seat_drag_focus.notify = seat_handle_drag_focus;
wl_signal_add(&drag->events.destroy, &xwm->seat_drag_destroy);
xwm->seat_drag_destroy.notify = seat_handle_drag_destroy;
}
void xwm_set_seat(struct wlr_xwm *xwm, struct wlr_seat *seat) {
if (xwm->seat != NULL) {
wl_list_remove(&xwm->seat_selection.link);
wl_list_remove(&xwm->seat_primary_selection.link);
wl_list_remove(&xwm->seat_start_drag.link);
xwm->seat = NULL;
}
@ -968,6 +1049,8 @@ void xwm_set_seat(struct wlr_xwm *xwm, struct wlr_seat *seat) {
xwm->seat_selection.notify = seat_handle_selection;
wl_signal_add(&seat->events.primary_selection, &xwm->seat_primary_selection);
xwm->seat_primary_selection.notify = seat_handle_primary_selection;
wl_signal_add(&seat->events.start_drag, &xwm->seat_start_drag);
xwm->seat_start_drag.notify = seat_handle_start_drag;
seat_handle_selection(&xwm->seat_selection, seat);
seat_handle_primary_selection(&xwm->seat_primary_selection, seat);