void Workspace::setCurrentScreen( int new_screen )
{
if (new_screen < 0 || new_screen > numScreens())
return;
if ( !options->focusPolicyIsReasonable())
return;
closeActivePopup();
Client* get_focus = NULL;
for( ClientList::ConstIterator it = focus_chain[currentDesktop()].fromLast();
it != focus_chain[currentDesktop()].end();
--it )
{
if( !(*it)->isShown( false ) || !(*it)->isOnCurrentDesktop())
continue;
if( !(*it)->screen() == new_screen )
continue;
get_focus = *it;
break;
}
if( get_focus == NULL )
get_focus = findDesktop( true, currentDesktop());
if( get_focus != NULL && get_focus != mostRecentlyActivatedClient())
requestFocus( get_focus );
active_screen = new_screen;
}
void Workspace::setCurrentScreen(int new_screen)
{
if (new_screen < 0 || new_screen >= numScreens())
return;
if (!options->focusPolicyIsReasonable())
return;
closeActivePopup();
Client* get_focus = NULL;
for (int i = focus_chain[ currentDesktop()].count() - 1;
i >= 0;
--i) {
Client* ci = focus_chain[ currentDesktop()].at(i);
if (!ci->isShown(false) || !ci->isOnCurrentDesktop() || !ci->isOnCurrentActivity())
continue;
if (!ci->screen() == new_screen)
continue;
get_focus = ci;
break;
}
if (get_focus == NULL)
get_focus = findDesktop(true, currentDesktop());
if (get_focus != NULL && get_focus != mostRecentlyActivatedClient())
requestFocus(get_focus);
active_screen = new_screen;
}
// deactivates 'c' and activates next client
bool Workspace::activateNextClient( Client* c )
{
// if 'c' is not the active or the to-become active one, do nothing
if( !( c == active_client
|| ( should_get_focus.count() > 0 && c == should_get_focus.last())))
return false;
closeActivePopup();
if( c != NULL )
{
if( c == active_client )
setActiveClient( NULL, Allowed );
should_get_focus.removeAll( c );
}
if( focusChangeEnabled())
{
if ( options->focusPolicyIsReasonable())
{ // search the focus_chain for a client to transfer focus to,
// first try to transfer focus to the first suitable window in the group
Client* get_focus = NULL;
const ClientList windows = ( c != NULL ? c->group()->members() : ClientList());
for ( int i = focus_chain[ currentDesktop() ].size() - 1;
i >= 0;
--i )
{
Client* ci = focus_chain[ currentDesktop() ].at( i );
if( c == ci || !ci->isShown( false )
|| !ci->isOnCurrentDesktop())
continue;
if( options->separateScreenFocus )
{
if( c != NULL && !ci->isOnScreen( c->screen()))
continue;
if( c == NULL && !ci->isOnScreen( activeScreen()))
continue;
}
if( windows.contains( ci ))
{
get_focus = ci;
break;
}
if( get_focus == NULL )
get_focus = ci;
}
if( get_focus == NULL )
get_focus = findDesktop( true, currentDesktop());
if( get_focus != NULL )
requestFocus( get_focus );
else
focusToNull();
}
else
return false;
}
else
// if blocking focus, move focus to the desktop later if needed
// in order to avoid flickering
focusToNull();
return true;
}
// deactivates 'c' and activates next client
bool Workspace::activateNextClient( Client* c )
{
// if 'c' is not the active or the to-become active one, do nothing
if( !( c == active_client
|| ( should_get_focus.count() > 0 && c == should_get_focus.last())))
return false;
closeActivePopup();
if( c != NULL )
{
if( c == active_client )
{
setActiveClient( NULL, Allowed );
}
should_get_focus.remove( c );
}
if( focusChangeEnabled())
{
if ( options->focusPolicyIsReasonable())
{ // search the focus_chain for a client to transfer focus to
// if 'c' is transient, transfer focus to the first suitable mainwindow
Client* get_focus = NULL;
const ClientList mainwindows = ( c != NULL ? c->mainClients() : ClientList());
for( ClientList::ConstIterator it = focus_chain[currentDesktop()].fromLast();
it != focus_chain[currentDesktop()].end();
--it )
{
if( !(*it)->isShown( false ) || !(*it)->isOnCurrentDesktop())
continue;
if( options->separateScreenFocus )
{
if( c != NULL && !(*it)->isOnScreen( c->screen()))
continue;
if( c == NULL && !(*it)->isOnScreen( activeScreen()))
continue;
}
if( mainwindows.contains( *it ))
{
get_focus = *it;
break;
}
if( get_focus == NULL )
get_focus = *it;
}
if( get_focus == NULL )
get_focus = findDesktop( true, currentDesktop());
if( get_focus != NULL )
{
requestFocus( get_focus );
}
else
focusToNull();
}
else
return false;
}
else
// if blocking focus, move focus to the desktop later if needed
// in order to avoid flickering
focusToNull();
return true;
}
// deactivates 'c' and activates next client
bool Workspace::activateNextClient(Client* c)
{
// if 'c' is not the active or the to-become active one, do nothing
if (!(c == active_client || (should_get_focus.count() > 0 && c == should_get_focus.last())))
return false;
closeActivePopup();
if (c != NULL) {
if (c == active_client)
setActiveClient(NULL, Allowed);
should_get_focus.removeAll(c);
}
// if blocking focus, move focus to the desktop later if needed
// in order to avoid flickering
if (!focusChangeEnabled()) {
focusToNull();
return true;
}
if (!options->focusPolicyIsReasonable())
return false;
Client* get_focus = NULL;
if (options->isNextFocusPrefersMouse()) {
get_focus = clientUnderMouse(c ? c->screen() : activeScreen());
if (get_focus && (get_focus == c || get_focus->isDesktop())) {
// should rather not happen, but it cannot get the focus. rest of usability is tested above
get_focus = 0;
}
}
if (!get_focus) { // no suitable window under the mouse -> find sth. else
// first try to pass the focus to the (former) active clients leader
if (c && (get_focus = c->transientFor()) && isUsableFocusCandidate(get_focus, c, options->isSeparateScreenFocus())) {
raiseClient(get_focus); // also raise - we don't know where it came from
} else {
// nope, ask the focus chain for the next candidate
get_focus = NULL; // reset from the inline assignment above
for (int i = focus_chain[ currentDesktop()].size() - 1; i >= 0; --i) {
Client* ci = focus_chain[ currentDesktop()].at(i);
if (isUsableFocusCandidate(ci, c, options->isSeparateScreenFocus())) {
get_focus = ci;
break; // we're done
}
}
}
}
if (get_focus == NULL) // last chance: focus the desktop
get_focus = findDesktop(true, currentDesktop());
if (get_focus != NULL)
requestFocus(get_focus);
else
focusToNull();
return true;
}