drop TaskManager for drag/double click panel

--use the visibilitymanager in order to drag
and maximize/restore an active window. Update
also the wayland functions for these features.

app/abstractwindowinterface.h

@@ -83,8 +83,9 @@ public:
     virtual void enableBlurBehind(QWindow &view) const = 0;
     virtual void setEdgeStateFor(QWindow *view, bool active) const = 0;
 
-    virtual void requestMoveActiveWindow(QPoint from) const = 0;
-    virtual bool activeWindowCanBeDragged() const = 0;
+    virtual void requestToggleMaximized(WindowId wid) const = 0;
+    virtual void requestMoveWindow(WindowId wid, QPoint from) const = 0;
+    virtual bool windowCanBeDragged(WindowId wid) const = 0;
 
     void addDock(WindowId wid);
     void removeDock(WindowId wid);

app/dock/visibilitymanager.cpp

@@ -1042,15 +1042,37 @@ void VisibilityManagerPrivate::deleteEdgeGhostWindow()
 }
 
 //! Window Functions
+void VisibilityManagerPrivate::requestToggleMaximizeForActiveWindow()
+{
+    WindowInfoWrap actInfo = wm->requestInfoActive();
+
+    //active window can be toggled only when it is in the same screen
+    if (actInfo.isValid() && !actInfo.geometry().isNull() && dockView->screenGeometry().contains(actInfo.geometry().center())) {
+        wm->requestToggleMaximized(actInfo.wid());
+    }
+}
+
 void VisibilityManagerPrivate::requestMoveActiveWindow(int localX, int localY)
 {
-    QPoint globalPoint{dockView->x() + localX, dockView->y() + localY};
-    wm->requestMoveActiveWindow(globalPoint);
+    WindowInfoWrap actInfo = wm->requestInfoActive();
+
+    //active window can be dragged only when it is in the same screen
+    if (actInfo.isValid() && !actInfo.geometry().isNull() && dockView->screenGeometry().contains(actInfo.geometry().center())) {
+        QPoint globalPoint{dockView->x() + localX, dockView->y() + localY};
+        wm->requestMoveWindow(actInfo.wid(), globalPoint);
+    }
 }
 
 bool VisibilityManagerPrivate::activeWindowCanBeDragged()
 {
-    return wm->activeWindowCanBeDragged();
+    WindowInfoWrap actInfo = wm->requestInfoActive();
+
+    //active window can be dragged only when it is in the same screen
+    if (actInfo.isValid() && !actInfo.geometry().isNull() && dockView->screenGeometry().contains(actInfo.geometry().center())) {
+        return wm->windowCanBeDragged(actInfo.wid());
+    }
+
+    return false;
 }
 
 //! END: VisibilityManagerPrivate implementation
@@ -1201,6 +1223,11 @@ bool VisibilityManager::supportsKWinEdges() const
 }
 
 //! Window Functions
+void VisibilityManager::requestToggleMaximizeForActiveWindow()
+{
+    d->requestToggleMaximizeForActiveWindow();
+}
+
 void VisibilityManager::requestMoveActiveWindow(int localX, int localY)
 {
     d->requestMoveActiveWindow(localX, localY);

app/dock/visibilitymanager.h

@@ -105,6 +105,7 @@ public:
     bool supportsKWinEdges() const;
 
 public slots:
+    Q_INVOKABLE void requestToggleMaximizeForActiveWindow();
     Q_INVOKABLE void requestMoveActiveWindow(int localX, int localY);
     Q_INVOKABLE bool activeWindowCanBeDragged();
 

app/dock/visibilitymanager_p.h

@@ -82,6 +82,7 @@ public:
 
     void updateStrutsBasedOnLayoutsAndActivities();
 
+    void requestToggleMaximizeForActiveWindow();
     void requestMoveActiveWindow(int localX, int localY);
     bool activeWindowCanBeDragged();
 

app/waylandinterface.cpp

@@ -318,45 +318,71 @@ bool WaylandInterface::isOnCurrentActivity(WindowId wid) const
 
 WindowInfoWrap WaylandInterface::requestInfo(WindowId wid) const
 {
-    auto it = std::find_if(m_windowManagement->windows().constBegin(), m_windowManagement->windows().constEnd(), [&wid](PlasmaWindow * w) noexcept {
-        return w->isValid() && w->internalId() == wid;
-    });
-
-    if (it == m_windowManagement->windows().constEnd())
-        return {};
-
     WindowInfoWrap winfoWrap;
 
-    auto w = *it;
+    auto w = windowFor(wid);
 
-    if (isValidWindow(w)) {
-        winfoWrap.setIsValid(true);
-        winfoWrap.setWid(wid);
-        winfoWrap.setIsActive(w->isActive());
-        winfoWrap.setIsMinimized(w->isMinimized());
-        winfoWrap.setIsMaxVert(w->isMaximized());
-        winfoWrap.setIsMaxHoriz(w->isMaximized());
-        winfoWrap.setIsFullscreen(w->isFullscreen());
-        winfoWrap.setIsShaded(w->isShaded());
-        winfoWrap.setGeometry(w->geometry());
-    } else if (w->appId() == QLatin1String("org.kde.plasmashell")) {
-        winfoWrap.setIsValid(true);
-        winfoWrap.setIsPlasmaDesktop(true);
-        winfoWrap.setWid(wid);
+    if (w) {
+        if (isValidWindow(w)) {
+            winfoWrap.setIsValid(true);
+            winfoWrap.setWid(wid);
+            winfoWrap.setIsActive(w->isActive());
+            winfoWrap.setIsMinimized(w->isMinimized());
+            winfoWrap.setIsMaxVert(w->isMaximized());
+            winfoWrap.setIsMaxHoriz(w->isMaximized());
+            winfoWrap.setIsFullscreen(w->isFullscreen());
+            winfoWrap.setIsShaded(w->isShaded());
+            winfoWrap.setGeometry(w->geometry());
+            winfoWrap.setHasSkipTaskbar(w->skipTaskbar());
+        } else if (w->appId() == QLatin1String("org.kde.plasmashell")) {
+            winfoWrap.setIsValid(true);
+            winfoWrap.setIsPlasmaDesktop(true);
+            winfoWrap.setWid(wid);
+        }
+    } else {
+        return {};
     }
 
     return winfoWrap;
 }
 
-bool WaylandInterface::activeWindowCanBeDragged() const
+KWayland::Client::PlasmaWindow *WaylandInterface::windowFor(WindowId wid) const
 {
-    WindowInfoWrap activeInfo = requestInfoActive();
-    return (activeInfo.isValid() && !activeInfo.isPlasmaDesktop() && !activeInfo.hasSkipTaskbar());
+    auto it = std::find_if(m_windowManagement->windows().constBegin(), m_windowManagement->windows().constEnd(), [&wid](PlasmaWindow * w) noexcept {
+        return w->isValid() && w->internalId() == wid;
+    });
+
+    if (it == m_windowManagement->windows().constEnd()) {
+        return nullptr;
+    }
+
+    return *it;
 }
 
-void WaylandInterface::requestMoveActiveWindow(QPoint from) const
+bool WaylandInterface::windowCanBeDragged(WindowId wid) const
 {
-    //to be supported
+    WindowInfoWrap winfo = requestInfo(wid);
+    return (winfo.isValid() && !winfo.isPlasmaDesktop() && !winfo.hasSkipTaskbar());
+}
+
+void WaylandInterface::requestMoveWindow(WindowId wid, QPoint from) const
+{
+    if (windowCanBeDragged(wid)) {
+        auto w = windowFor(wid);
+
+        if (w && isValidWindow(w)) {
+            w->requestMove();
+        }
+    }
+}
+
+void WaylandInterface::requestToggleMaximized(WindowId wid) const
+{
+    auto w = windowFor(wid);
+
+    if (w && isValidWindow(w)) {
+        w->requestToggleMaximized();
+    }
 }
 
 inline bool WaylandInterface::isValidWindow(const KWayland::Client::PlasmaWindow *w) const

app/waylandinterface.h

@@ -75,8 +75,9 @@ public:
     void slideWindow(QWindow &view, Slide location) const override;
     void enableBlurBehind(QWindow &view) const override;
 
-    void requestMoveActiveWindow(QPoint from) const override;
-    bool activeWindowCanBeDragged() const;
+    void requestToggleMaximized(WindowId wid) const override;
+    void requestMoveWindow(WindowId wid, QPoint from) const override;
+    bool windowCanBeDragged(WindowId wid) const;
 
     void setEdgeStateFor(QWindow *view, bool active) const override;
 
@@ -86,6 +87,7 @@ private:
     void init();
     inline bool isValidWindow(const KWayland::Client::PlasmaWindow *w) const;
     void windowCreatedProxy(KWayland::Client::PlasmaWindow *w);
+    KWayland::Client::PlasmaWindow *windowFor(WindowId wid) const;
     KWayland::Client::PlasmaShell *waylandDockCoronaInterface() const;
 
     QSignalMapper *mapper{nullptr};

app/xwindowinterface.cpp

@@ -322,28 +322,28 @@ WindowInfoWrap XWindowInterface::requestInfo(WindowId wid) const
     return winfoWrap;
 }
 
-bool XWindowInterface::activeWindowCanBeDragged() const
+bool XWindowInterface::windowCanBeDragged(WindowId wid) const
 {
-    WindowInfoWrap activeInfo = requestInfoActive();
-    return (activeInfo.isValid() && !activeInfo.isPlasmaDesktop() && !activeInfo.hasSkipTaskbar());
+    WindowInfoWrap winfo = requestInfo(wid);
+    return (winfo.isValid() && !winfo.isPlasmaDesktop() && !winfo.hasSkipTaskbar());
 }
 
-void XWindowInterface::requestMoveActiveWindow(QPoint from) const
+void XWindowInterface::requestMoveWindow(WindowId wid, QPoint from) const
 {
-    WindowInfoWrap activeInfo = requestInfoActive();
+    WindowInfoWrap wInfo = requestInfo(wid);
 
-    if (!activeInfo.isValid() || activeInfo.isPlasmaDesktop()) {
+    if (!wInfo.isValid() || wInfo.isPlasmaDesktop()) {
         return;
     }
 
-    int borderX{activeInfo.geometry().width() > 120 ? 60 : 10};
+    int borderX{wInfo.geometry().width() > 120 ? 60 : 10};
     int borderY{10};
 
     //! find min/max values for x,y based on active window geometry
-    int minX = activeInfo.geometry().x() + borderX;
-    int maxX = activeInfo.geometry().x() + activeInfo.geometry().width() - borderX;
-    int minY = activeInfo.geometry().y() + borderY;
-    int maxY = activeInfo.geometry().y() + activeInfo.geometry().height() - borderY;
+    int minX = wInfo.geometry().x() + borderX;
+    int maxX = wInfo.geometry().x() + wInfo.geometry().width() - borderX;
+    int minY = wInfo.geometry().y() + borderY;
+    int maxY = wInfo.geometry().y() + wInfo.geometry().height() - borderY;
 
     //! set the point from which this window will be moved,
     //! make sure that it is in window boundaries
@@ -351,9 +351,22 @@ void XWindowInterface::requestMoveActiveWindow(QPoint from) const
     int validY = qBound(minY, from.y(), maxY);
 
     NETRootInfo ri(QX11Info::connection(), NET::WMMoveResize);
-    ri.moveResizeRequest(activeInfo.wid().toUInt(), validX, validY, NET::Move);
+    ri.moveResizeRequest(wInfo.wid().toUInt(), validX, validY, NET::Move);
 }
 
+void XWindowInterface::requestToggleMaximized(WindowId wid) const
+{
+    WindowInfoWrap wInfo = requestInfo(wid);
+    bool restore = wInfo.isMaxHoriz() && wInfo.isMaxVert();
+
+    NETWinInfo ni(QX11Info::connection(), wid.toInt(), QX11Info::appRootWindow(), NET::WMState, NET::Properties2());
+
+    if (restore) {
+        ni.setState(NET::States(), NET::Max);
+    } else {
+        ni.setState(NET::Max, NET::Max);
+    }
+}
 
 bool XWindowInterface::isValidWindow(const KWindowInfo &winfo) const
 {

app/xwindowinterface.h

@@ -58,8 +58,9 @@ public:
     void slideWindow(QWindow &view, Slide location) const override;
     void enableBlurBehind(QWindow &view) const override;
 
-    void requestMoveActiveWindow(QPoint from) const override;
-    bool activeWindowCanBeDragged() const override;
+    void requestToggleMaximized(WindowId wid) const override;
+    void requestMoveWindow(WindowId wid, QPoint from) const override;
+    bool windowCanBeDragged(WindowId wid) const override;
 
     void setEdgeStateFor(QWindow *view, bool active) const override;
 

containment/package/contents/ui/RootMouseArea.qml

@@ -22,8 +22,6 @@ import QtQuick 2.7
 import org.kde.plasma.core 2.0 as PlasmaCore
 import org.kde.plasma.plasmoid 2.0
 
-import org.kde.taskmanager 0.1 as TaskManager
-
 MouseArea{
     id: mainArea
 
@@ -71,7 +69,8 @@ MouseArea{
     onDoubleClicked: {
         drawWindowTimer.stop();
         restoreGrabberTimer.stop();
-        tasksModel.requestToggleMaximized(tasksModel.activeTask);
+        dock.visibility.requestToggleMaximizeForActiveWindow();
+        //tasksModel.requestToggleMaximized(tasksModel.activeTask);
     }
 
     function activateDragging(){
@@ -99,27 +98,4 @@ MouseArea{
             mainArea.lastPressY = -1;
         }
     }
-
-    ////////// Dragging windows etc....
-    TaskManager.TasksModel {
-        id: tasksModel
-        sortMode: TaskManager.TasksModel.SortVirtualDesktop
-        groupMode: TaskManager.TasksModel.GroupDisabled
-
-        virtualDesktop: virtualDesktopInfo.currentDesktop
-        activity: activityInfo.currentActivity
-        screenGeometry: plasmoid.screenGeometry
-
-        filterByVirtualDesktop: true
-        filterByScreen: true
-        filterByActivity: true
-    }
-    TaskManager.VirtualDesktopInfo {
-        id: virtualDesktopInfo
-    }
-
-    TaskManager.ActivityInfo {
-        id: activityInfo
-    }
-    ////////// Dragging windows etc....
 }