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xwayland: create DND window, add DND atom helpers

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emersion 2018-03-27 12:04:37 -04:00
parent ac715969ac
commit b6c1760de5
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GPG key ID: 0FDE7BE0E88F5E48
3 changed files with 88 additions and 4 deletions
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58
xwayland/selection.c
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@ -12,6 +12,32 @@
static const size_t incr_chunk_size = 64 * 1024;
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];
} else if (action & WL_DATA_DEVICE_MANAGER_DND_ACTION_MOVE) {
return xwm->atoms[DND_ACTION_MOVE];
} else if (action & WL_DATA_DEVICE_MANAGER_DND_ACTION_ASK) {
return xwm->atoms[DND_ACTION_ASK];
}
return XCB_ATOM_NONE;
}
static enum wl_data_device_manager_dnd_action
data_device_manager_dnd_action_from_atom(struct wlr_xwm *xwm,
enum atom_name atom) {
if (atom == xwm->atoms[DND_ACTION_COPY] ||
atom == xwm->atoms[DND_ACTION_PRIVATE]) {
return WL_DATA_DEVICE_MANAGER_DND_ACTION_COPY;
} else if (atom == xwm->atoms[DND_ACTION_MOVE]) {
return WL_DATA_DEVICE_MANAGER_DND_ACTION_MOVE;
} else if (atom == xwm->atoms[DND_ACTION_ASK]) {
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) {
xcb_selection_notify_event_t selection_notify = {
@ -807,7 +833,8 @@ static void selection_init(struct wlr_xwm *xwm,
}
void xwm_selection_init(struct wlr_xwm *xwm) {
uint32_t values[] = { XCB_EVENT_MASK_PROPERTY_CHANGE };
// Clipboard and primary selection
uint32_t selection_values[] = { XCB_EVENT_MASK_PROPERTY_CHANGE };
xwm->selection_window = xcb_generate_id(xwm->xcb_conn);
xcb_create_window(xwm->xcb_conn,
XCB_COPY_FROM_PARENT,
@ -818,7 +845,7 @@ void xwm_selection_init(struct wlr_xwm *xwm) {
0,
XCB_WINDOW_CLASS_INPUT_OUTPUT,
xwm->screen->root_visual,
XCB_CW_EVENT_MASK, values);
XCB_CW_EVENT_MASK, selection_values);
xcb_set_selection_owner(xwm->xcb_conn,
xwm->selection_window,
@ -827,6 +854,30 @@ void xwm_selection_init(struct wlr_xwm *xwm) {
selection_init(xwm, &xwm->clipboard_selection, xwm->atoms[CLIPBOARD]);
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->atoms[DND_AWARE],
XCB_ATOM_ATOM,
32,
1,
&version);
}
void xwm_selection_finish(struct wlr_xwm *xwm) {
@ -836,6 +887,9 @@ 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) {