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Fix for when we don't have XSettings

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Task-number: QTBUG-31418
Task-number: QTBUG-31410
Task-number: QTBUG-31446

Change-Id: I3fbed40054f3e0720b50ada0dc4ad0ae4cb0412e
Reviewed-by: Jan Arve Sæther <jan-arve.saether@digia.com>
This commit is contained in:
Jørgen Lind 2013-05-31 16:04:21 +02:00 committed by The Qt Project
parent cd756e5ed5
commit 16eea84aa8
1 changed files with 18 additions and 4 deletions
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22
src/plugins/platforms/xcb/qxcbxsettings.cpp
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@ -214,23 +214,37 @@ QXcbXSettings::QXcbXSettings(QXcbScreen *screen)
QByteArray settings_atom_for_screen("_XSETTINGS_S");
settings_atom_for_screen.append(QByteArray::number(screen->screenNumber()));
xcb_intern_atom_cookie_t atom_cookie = xcb_intern_atom(screen->xcb_connection(),
false,
true,
settings_atom_for_screen.length(),
settings_atom_for_screen.constData());
xcb_intern_atom_reply_t *atom_reply = xcb_intern_atom_reply(screen->xcb_connection(),atom_cookie,NULL);
xcb_generic_error_t *error = 0;
xcb_intern_atom_reply_t *atom_reply = xcb_intern_atom_reply(screen->xcb_connection(),atom_cookie,&error);
if (error) {
qWarning() << Q_FUNC_INFO << "Failed to find XSETTINGS_S atom";
return;
}
xcb_atom_t selection_owner_atom = atom_reply->atom;
free(atom_reply);
xcb_get_selection_owner_cookie_t selection_cookie =
xcb_get_selection_owner(screen->xcb_connection(), selection_owner_atom);
xcb_get_selection_owner_reply_t *selection_result =
xcb_get_selection_owner_reply(screen->xcb_connection(), selection_cookie, NULL);
xcb_get_selection_owner_reply(screen->xcb_connection(), selection_cookie, &error);
if (error) {
qWarning() << Q_FUNC_INFO << "Failed to get selection owner for XSETTINGS_S atom";
return;
}
d_ptr->x_settings_window = selection_result->owner;
if (!d_ptr->x_settings_window) {
return;
}
free(selection_result);
const uint32_t event = XCB_CW_EVENT_MASK;
const uint32_t event_mask[] = { XCB_EVENT_MASK_STRUCTURE_NOTIFY|XCB_EVENT_MASK_PROPERTY_CHANGE };
xcb_change_window_attributes(screen->xcb_connection(),d_ptr->x_settings_window,XCB_CW_EVENT_MASK,event_mask);
xcb_change_window_attributes(screen->xcb_connection(),d_ptr->x_settings_window,event,event_mask);
d_ptr->populateSettings(d_ptr->getSettings());
}