Move creation of InputRedirection, Cursor and Screens out of Workspace

Do not depend on Workspace and do not depend on X11 thus can be started
earlier allowing to get more things started prior to depending on
Workspace.

main.cpp

@@ -23,7 +23,11 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include <config-kwin.h>
 // kwin
 #include "atoms.h"
+#include "cursor.h"
+#include "input.h"
+#include "logind.h"
 #include "options.h"
+#include "screens.h"
 #include "sm.h"
 #include "workspace.h"
 #include "xcbutils.h"
@@ -370,6 +374,21 @@ void Application::createWorkspace()
     (void) new Workspace(isSessionRestored());
 }
 
+void Application::createInput()
+{
+    LogindIntegration::create(this);
+    InputRedirection::create(this);
+    Cursor::create(this);
+}
+
+void Application::createScreens()
+{
+    if (Screens::self()) {
+        return;
+    }
+    Screens::create(this);
+}
+
 void Application::createAtoms()
 {
     atoms = new Atoms;

main.h

@@ -99,6 +99,7 @@ public:
         }
     }
     void updateX11Time(xcb_generic_event_t *event);
+    void createScreens();
 
     static void setCrashCount(int count);
     static bool wasCrash();
@@ -155,6 +156,7 @@ protected:
     virtual void performStartup() = 0;
 
     void notifyKSplash();
+    void createInput();
     void createWorkspace();
     void createAtoms();
     void createOptions();

main_x11.cpp

@@ -169,6 +169,7 @@ void ApplicationX11::performStartup()
             ::exit(1);
         }
 
+        createInput();
         createWorkspace();
 
         Xcb::sync(); // Trigger possible errors, there's still a chance to abort

workspace.cpp

@@ -141,17 +141,12 @@ Workspace::Workspace(bool restore)
     // first initialize the extensions
     Xcb::Extensions::self();
 
-    LogindIntegration::create(this);
-    InputRedirection::create(this);
-
     // start the Wayland Backend - will only be created if WAYLAND_DISPLAY is present
 #if HAVE_WAYLAND
     if (kwinApp()->operationMode() != Application::OperationModeX11) {
         connect(this, SIGNAL(stackingOrderChanged()), input(), SLOT(updatePointerWindow()));
     }
 #endif
-    // start the cursor support
-    Cursor::create(this);
 
 #ifdef KWIN_BUILD_ACTIVITIES
     Activities *activities = Activities::create(this);
@@ -162,8 +157,7 @@ Workspace::Workspace(bool restore)
     reparseConfigFuture.waitForFinished();
 
     // get screen support
-    Screens *screens = Screens::create(this);
-    connect(screens, SIGNAL(changed()), SLOT(desktopResized()));
+    connect(screens(), SIGNAL(changed()), SLOT(desktopResized()));
 
     options->loadConfig();
     options->loadCompositingConfig(false);
@@ -224,6 +218,7 @@ void Workspace::init()
 {
     updateXTime(); // Needed for proper initialization of user_time in Client ctor
     KSharedConfigPtr config = KSharedConfig::openConfig();
+    kwinApp()->createScreens();
     Screens *screens = Screens::self();
     screens->setConfig(config);
     screens->reconfigure();