Port FocusChain to AbstractOutput

src/activation.cpp

@@ -500,20 +500,18 @@ bool Workspace::activateNextClient(AbstractClient* c)
 
 }
 
-void Workspace::setCurrentScreen(int new_screen)
+void Workspace::setCurrentOutput(AbstractOutput *output)
 {
-    if (new_screen < 0 || new_screen >= screens()->count())
-        return;
     if (!options->focusPolicyIsReasonable())
         return;
     closeActivePopup();
     VirtualDesktop *desktop = VirtualDesktopManager::self()->currentDesktop();
-    AbstractClient *get_focus = FocusChain::self()->getForActivation(desktop, new_screen);
+    AbstractClient *get_focus = FocusChain::self()->getForActivation(desktop, output);
     if (get_focus == nullptr)
         get_focus = findDesktop(true, desktop);
     if (get_focus != nullptr && get_focus != mostRecentlyActivatedClient())
         requestFocus(get_focus);
-    screens()->setCurrent(new_screen);
+    screens()->setCurrent(output);
 }
 
 void Workspace::gotFocusIn(const AbstractClient* c)

src/focuschain.cpp

@@ -52,10 +52,10 @@ void FocusChain::removeDesktop(VirtualDesktop *desktop)
 
 AbstractClient *FocusChain::getForActivation(VirtualDesktop *desktop) const
 {
-    return getForActivation(desktop, screens()->current());
+    return getForActivation(desktop, screens()->currentOutput());
 }
 
-AbstractClient *FocusChain::getForActivation(VirtualDesktop *desktop, int screen) const
+AbstractClient *FocusChain::getForActivation(VirtualDesktop *desktop, AbstractOutput *output) const
 {
     auto it = m_desktopFocusChains.constFind(desktop);
     if (it == m_desktopFocusChains.constEnd()) {
@@ -66,7 +66,7 @@ AbstractClient *FocusChain::getForActivation(VirtualDesktop *desktop, int screen
         auto tmp = chain.at(i);
         // TODO: move the check into Client
         if (tmp->isShown(false) && tmp->isOnCurrentActivity()
-            && ( !m_separateScreenFocus || tmp->screen() == screen)) {
+            && ( !m_separateScreenFocus || tmp->output() == output)) {
             return tmp;
         }
     }
@@ -207,7 +207,7 @@ bool FocusChain::isUsableFocusCandidate(AbstractClient *c, AbstractClient *prev)
 {
     return c != prev &&
            c->isShown(false) && c->isOnCurrentDesktop() && c->isOnCurrentActivity() &&
-           (!m_separateScreenFocus || c->isOnScreen(prev ? prev->screen() : screens()->current()));
+           (!m_separateScreenFocus || c->isOnOutput(prev ? prev->output() : screens()->currentOutput()));
 }
 
 AbstractClient *FocusChain::nextForDesktop(AbstractClient *reference, VirtualDesktop *desktop) const

src/focuschain.h

@@ -18,6 +18,7 @@ namespace KWin
 {
 // forward declarations
 class AbstractClient;
+class AbstractOutput;
 class VirtualDesktop;
 
 /**
@@ -98,10 +99,10 @@ public:
      * If no Client for activation is found @c null is returned.
      *
      * @param desktop The virtual desktop to look for a Client for activation
-     * @param screen The screen to constrain the search on with separate screen focus
+     * @param output The screen to constrain the search on with separate screen focus
      * @return :X11Client *The Client which could be activated or @c null if there is none.
      */
-    AbstractClient *getForActivation(VirtualDesktop *desktop, int screen) const;
+    AbstractClient *getForActivation(VirtualDesktop *desktop, AbstractOutput *output) const;
 
     /**
      * @brief Checks whether the most recently used focus chain contains the given @p client.

src/useractions.cpp

@@ -1307,27 +1307,44 @@ static bool screenSwitchImpossible()
     return true;
 }
 
+AbstractOutput *Workspace::nextOutput(AbstractOutput *reference) const
+{
+    const auto outputs = kwinApp()->platform()->enabledOutputs();
+    const int index = outputs.indexOf(reference);
+    Q_ASSERT(index != -1);
+    return outputs[(index + 1) % outputs.count()];
+}
+
+AbstractOutput *Workspace::previousOutput(AbstractOutput *reference) const
+{
+    const auto outputs = kwinApp()->platform()->enabledOutputs();
+    const int index = outputs.indexOf(reference);
+    Q_ASSERT(index != -1);
+    return outputs[(index + outputs.count() - 1) % outputs.count()];
+}
+
 void Workspace::slotSwitchToScreen()
 {
     if (screenSwitchImpossible())
         return;
-    const int i = senderValue(sender());
-    if (i > -1)
-        setCurrentScreen(i);
+    AbstractOutput *output = kwinApp()->platform()->findOutput(senderValue(sender()));
+    if (output) {
+        setCurrentOutput(output);
+    }
 }
 
 void Workspace::slotSwitchToNextScreen()
 {
     if (screenSwitchImpossible())
         return;
-    setCurrentScreen((screens()->current() + 1) % screens()->count());
+    setCurrentOutput(nextOutput(screens()->currentOutput()));
 }
 
 void Workspace::slotSwitchToPrevScreen()
 {
     if (screenSwitchImpossible())
         return;
-    setCurrentScreen((screens()->current() + screens()->count() - 1) % screens()->count());
+    setCurrentOutput(previousOutput(screens()->currentOutput()));
 }
 
 void Workspace::slotWindowToScreen()

src/workspace.h

@@ -317,7 +317,9 @@ public:
     // D-Bus interface
     QString supportInformation() const;
 
-    void setCurrentScreen(int new_screen);
+    AbstractOutput *nextOutput(AbstractOutput *reference) const;
+    AbstractOutput *previousOutput(AbstractOutput *reference) const;
+    void setCurrentOutput(AbstractOutput *output);
 
     void setShowingDesktop(bool showing);
     bool showingDesktop() const;