From d85e59fe92be758bd79dcf32e6b5d9f5ceadb38d Mon Sep 17 00:00:00 2001
From: Felix Rohrbach <fxrh@gmx.de>
Date: Mon, 4 Apr 2011 23:40:14 +0200
Subject: Make rekonq desktop aware

If there is a rekonq window on the current virtual desktop and
another application opens a link, rekonq will prefer this window.
rekonq also prefers windows that were activated most recently.

CCBUG: 237732
REVIEW: 101033
---
 src/application.cpp | 30 ++++++++++++++++++++++++++++++
 src/application.h   |  4 ++++
 2 files changed, 34 insertions(+)

diff --git a/src/application.cpp b/src/application.cpp
index eda588a0..830442f0 100644
--- a/src/application.cpp
+++ b/src/application.cpp
@@ -58,6 +58,7 @@
 #include <ThreadWeaver/Weaver>
 #include <KAction>
 #include <KWindowSystem>
+#include <KWindowInfo>
 #include <KGlobal>
 #include <KCharsets>
 
@@ -293,6 +294,11 @@ MainWindow *Application::mainWindow()
         if(m_mainWindows.isEmpty())
             return 0;
 
+        Q_FOREACH (const QWeakPointer<MainWindow> &pointer, m_mainWindows)
+        {
+            if (KWindowInfo(pointer.data()->effectiveWinId(),NET::WMDesktop,0).isOnCurrentDesktop())
+                return pointer.data();
+        }
         return m_mainWindows.at(0).data();
     }
     return active;
@@ -411,6 +417,8 @@ void Application::loadUrl(const KUrl& url, const Rekonq::OpenType& type)
 MainWindow *Application::newMainWindow(bool withTab)
 {
     MainWindow *w = new MainWindow();
+    // This is used to track which window was activated most recently
+    w->installEventFilter(this);
 
     if (withTab)
         w->mainView()->newWebTab();    // remember using newWebTab and NOT newTab here!!
@@ -467,6 +475,28 @@ void Application::newWindow()
 }
 
 
+bool Application::eventFilter( QObject* watched, QEvent* event )
+{
+    // Track which window was activated most recently to prefer it on window choosing
+    // (e.g. when another application opens a link)
+    if (event->type() == QEvent::WindowActivate)
+    {
+        MainWindow *window = qobject_cast<MainWindow*>(watched);
+        if (window)
+        {
+            if (m_mainWindows.at(0).data() != window)
+            {
+                int index = m_mainWindows.indexOf(QWeakPointer<MainWindow>(window));
+                Q_ASSERT(index != -1);
+                m_mainWindows.prepend(m_mainWindows.takeAt(index));
+            }
+        }
+    }
+
+    return QObject::eventFilter( watched, event );
+}
+
+
 void Application::updateConfiguration()
 {
     // ============== Tabs ==================
diff --git a/src/application.h b/src/application.h
index 3cd3c96b..d3757645 100644
--- a/src/application.h
+++ b/src/application.h
@@ -134,6 +134,10 @@ public slots:
     void newWindow();
     void removeMainWindow(MainWindow *window);
 
+protected:
+    // This is used to track which window was activated most recently
+    bool eventFilter(QObject *watched, QEvent *event);
+
 private slots:
     /**
      * Any actions that can be delayed until the window is visible
-- 
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