From 63e0942ac2f0f8651e74599b64fcec8f5dc3126f Mon Sep 17 00:00:00 2001
From: Marco Martin <notmart@gmail.com>
Date: Wed, 9 Oct 2013 18:41:08 +0200
Subject: [PATCH] visibilitymode property

doesn't do much, just disables struts
---
 src/shell/panelview.cpp | 34 ++++++++++++++++++++++++++++++++--
 src/shell/panelview.h   | 14 ++++++++++++++
 2 files changed, 46 insertions(+), 2 deletions(-)

diff --git a/src/shell/panelview.cpp b/src/shell/panelview.cpp
index 4fcca8ec3..e6d5b64ec 100644
--- a/src/shell/panelview.cpp
+++ b/src/shell/panelview.cpp
@@ -43,6 +43,7 @@ PanelView::PanelView(ShellCorona *corona, QWindow *parent)
        m_minLength(0),
        m_alignment(Qt::AlignLeft),
        m_corona(corona),
+       m_visibilityMode(NormalPanel),
        m_strutsTimer(new QTimer(this))
 {
     QSurfaceFormat format;
@@ -257,6 +258,36 @@ void PanelView::setMinimumLength(int length)
     m_corona->requestApplicationConfigSync();
 }
 
+void PanelView::setVisibilityMode(PanelView::VisibilityMode mode)
+{
+    m_visibilityMode = mode;
+
+    if (mode == LetWindowsCover) {
+        KWindowSystem::setState(winId(), NET::KeepBelow);
+    } else {
+        KWindowSystem::clearState(winId(), NET::KeepBelow);
+    }
+    //life is vastly simpler if we ensure we're visible now
+    show();
+
+    disconnect(containment(), SIGNAL(activate()), this, SLOT(unhide()));
+    if (!(mode == NormalPanel && mode == WindowsGoBelow)) {
+        connect(containment(), SIGNAL(activate()), this, SLOT(unhide()));
+    }
+
+    config().writeEntry("panelVisibility", (int)mode);
+
+
+    updateStruts();
+
+    KWindowSystem::setOnAllDesktops(winId(), true);
+}
+
+PanelView::VisibilityMode PanelView::visibilityMode() const
+{
+    return m_visibilityMode;
+}
+
 void PanelView::positionPanel()
 {
     if (!containment()) {
@@ -461,8 +492,7 @@ void PanelView::updateStruts()
 
     NETExtendedStrut strut;
 
-    //TODO: visibility modes
-    if (true/*m_visibilityMode == NormalPanel*/) {
+    if (m_visibilityMode == NormalPanel) {
         const QRect thisScreen = corona()->screenGeometry(containment()->screen());
         const QRect wholeScreen = screen()->availableVirtualGeometry();
 
diff --git a/src/shell/panelview.h b/src/shell/panelview.h
index 668cebdb5..c98882c2e 100644
--- a/src/shell/panelview.h
+++ b/src/shell/panelview.h
@@ -36,8 +36,18 @@ class PanelView : public PlasmaQuickView
     Q_PROPERTY(int maximumLength READ maximumLength WRITE setMaximumLength NOTIFY maximumLengthChanged)
     Q_PROPERTY(int minimumLength READ minimumLength WRITE setMinimumLength NOTIFY minimumLengthChanged)
     Q_PROPERTY(QScreen *screen READ screen NOTIFY screenChanged)
+    Q_PROPERTY(VisibilityMode visibilityMode READ visibilityMode WRITE setVisibilityMode)
 
 public:
+
+    enum VisibilityMode {
+        NormalPanel = 0,
+        AutoHide,
+        LetWindowsCover,
+        WindowsGoBelow
+    };
+    Q_ENUMS(VisibilityMode)
+
     explicit PanelView(ShellCorona *corona, QWindow *parent = 0);
     virtual ~PanelView();
 
@@ -61,6 +71,9 @@ public:
     int minimumLength() const;
     void setMinimumLength(int length);
 
+    VisibilityMode visibilityMode() const;
+    void setVisibilityMode(PanelView::VisibilityMode mode);
+
 protected:
     void resizeEvent(QResizeEvent *ev);
     void showEvent(QShowEvent *event);
@@ -94,6 +107,7 @@ private:
     QPointer<ConfigView> m_panelConfigView;
     ShellCorona *m_corona;
     QTimer *m_strutsTimer;
+    VisibilityMode m_visibilityMode;
 
     static const int STRUTSTIMERDELAY = 200;
 };