Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdebase@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 235 insertions, 0 deletions

diff --git a/kicker/extensions/taskbar/taskbarextension.cpp b/kicker/extensions/taskbar/taskbarextension.cpp
new file mode 100644
index 000000000..a25297b39
--- /dev/null
+++ b/kicker/extensions/taskbar/taskbarextension.cpp
@@ -0,0 +1,235 @@
+/*****************************************************************
+
+Copyright (c) 2001 Matthias Elter <elter@kde.org>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+******************************************************************/
+
+#include <qlayout.h>
+#include <qtimer.h>
+#include <qwmatrix.h>
+
+#include <dcopclient.h>
+#include <kapplication.h>
+#include <kdebug.h>
+#include <kglobal.h>
+#include <klocale.h>
+#include <krootpixmap.h>
+#include <kstandarddirs.h>
+
+#include "global.h"
+#include "kickerSettings.h"
+#include "taskbarcontainer.h"
+
+#include "taskbarextension.h"
+#include "taskbarextension.moc"
+
+extern "C"
+{
+    KDE_EXPORT KPanelExtension* init( QWidget *parent, const QString& configFile )
+    {
+        KGlobal::locale()->insertCatalogue( "taskbarextension" );
+   	return new TaskBarExtension( configFile, KPanelExtension::Stretch,
+				     KPanelExtension::Preferences, parent, "taskbarextension" );
+    }
+}
+
+TaskBarExtension::TaskBarExtension(const QString& configFile, Type type,
+                                   int actions, QWidget *parent, const char *name)
+    : KPanelExtension(configFile, type, actions, parent, name),
+      m_bgImage(0),
+      m_bgFilename(0),
+      m_rootPixmap(0)
+{
+    QHBoxLayout *layout = new QHBoxLayout(this);
+    m_container = new TaskBarContainer(false, this);
+    m_container->setBackgroundOrigin(AncestorOrigin);
+    positionChange(position());
+    layout->addWidget(m_container);
+
+    connect(m_container, SIGNAL(containerCountChanged()),
+            SIGNAL(updateLayout()));
+
+    kapp->dcopClient()->setNotifications(true);
+    connectDCOPSignal("kicker", "kicker", "configurationChanged()",
+                      "configure()", false);
+
+    connect(kapp, SIGNAL(kdisplayPaletteChanged()),
+            SLOT(setBackgroundTheme()));
+
+    QTimer::singleShot(0, this, SLOT(setBackgroundTheme()));
+}
+
+TaskBarExtension::~TaskBarExtension()
+{
+    KGlobal::locale()->removeCatalogue( "taskbarextension" );
+}
+
+void TaskBarExtension::positionChange( Position p )
+{
+
+    m_container->orientationChange(orientation());
+
+    switch (p)
+    {
+    case Bottom:
+        m_container->popupDirectionChange(KPanelApplet::Up);
+        break;
+    case Top:
+        m_container->popupDirectionChange(KPanelApplet::Down);
+        break;
+    case Right:
+        m_container->popupDirectionChange(KPanelApplet::Left);
+        break;
+    case Left:
+        m_container->popupDirectionChange(KPanelApplet::Right);
+        break;
+    case Floating:
+        if (orientation() == Horizontal)
+        {
+            m_container->popupDirectionChange(KPanelApplet::Down);
+        }
+        else if (QApplication::reverseLayout())
+        {
+            m_container->popupDirectionChange(KPanelApplet::Left);
+        }
+        else
+        {
+            m_container->popupDirectionChange(KPanelApplet::Right);
+        }
+        break;
+    }
+    setBackgroundTheme();
+}
+
+void TaskBarExtension::preferences()
+{
+    m_container->preferences();
+}
+
+QSize TaskBarExtension::sizeHint(Position p, QSize maxSize) const
+{
+    if (p == Left || p == Right)
+        maxSize.setWidth(sizeInPixels());
+    else
+        maxSize.setHeight(sizeInPixels());
+
+//    kdDebug(1210) << "TaskBarExtension::sizeHint( Position, QSize )" << endl;
+//    kdDebug(1210) << " width: " << size.width() << endl;
+//    kdDebug(1210) << "height: " << size.height() << endl;
+    return m_container->sizeHint(p, maxSize);
+}
+
+void TaskBarExtension::configure()
+{
+    setBackgroundTheme();
+    update();
+}
+
+void TaskBarExtension::setBackgroundTheme()
+{
+    if (KickerSettings::transparent())
+    {
+        if (!m_rootPixmap)
+        {
+            m_rootPixmap = new KRootPixmap(this);
+            m_rootPixmap->setCustomPainting(true);
+            connect(m_rootPixmap, SIGNAL(backgroundUpdated(const QPixmap&)),
+                    SLOT(updateBackground(const QPixmap&)));
+        }
+        else
+        {
+            m_rootPixmap->repaint(true);
+        }
+
+        double tint = double(KickerSettings::tintValue()) / 100;
+        m_rootPixmap->setFadeEffect(tint, KickerSettings::tintColor());
+        m_rootPixmap->start();
+        return;
+    }
+    else if (m_rootPixmap)
+    {
+        delete m_rootPixmap;
+        m_rootPixmap = 0;
+    }
+
+    unsetPalette();
+
+    if (KickerSettings::useBackgroundTheme())
+    {
+        QString bgFilename = locate("appdata", KickerSettings::backgroundTheme());
+
+        if (m_bgFilename != bgFilename)
+        {
+            m_bgFilename = bgFilename;
+            m_bgImage.load(m_bgFilename);
+        }
+
+        if (!m_bgImage.isNull())
+        {
+            QImage bgImage = m_bgImage;
+
+            if (orientation() == Vertical)
+            {
+                if (KickerSettings::rotateBackground())
+                {
+                    QWMatrix matrix;
+                    matrix.rotate(position() == KPanelExtension::Left ? 90: 270);
+                    bgImage = bgImage.xForm(matrix);
+                }
+
+                bgImage = bgImage.scaleWidth(size().width());
+            }
+            else
+            {
+                if (position() == KPanelExtension::Top &&
+                    KickerSettings::rotateBackground())
+                {
+                    QWMatrix matrix;
+                    matrix.rotate(180);
+                    bgImage = bgImage.xForm(matrix);
+                }
+
+                bgImage = bgImage.scaleHeight(size().height());
+            }
+
+            if (KickerSettings::colorizeBackground())
+            {
+                KickerLib::colorize(bgImage);
+            }
+            setPaletteBackgroundPixmap(bgImage);
+        }
+    }
+    
+    m_container->setBackground();
+}
+
+void TaskBarExtension::updateBackground(const QPixmap& bgImage)
+{
+    unsetPalette();
+    setPaletteBackgroundPixmap(bgImage);
+    m_container->setBackground();
+}
+
+void TaskBarExtension::resizeEvent(QResizeEvent *e)
+{
+    QFrame::resizeEvent(e);
+    setBackgroundTheme();
+}
+