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, 507 insertions, 0 deletions

diff --git a/kwin/kcmkwin/kwindecoration/preview.cpp b/kwin/kcmkwin/kwindecoration/preview.cpp
new file mode 100644
index 000000000..8c88a3604
--- /dev/null
+++ b/kwin/kcmkwin/kwindecoration/preview.cpp
@@ -0,0 +1,507 @@
+/*
+ *
+ * Copyright (c) 2003 Lubos Lunak <l.lunak@kde.org>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#include "preview.h"
+
+#include <kapplication.h>
+#include <klocale.h>
+#include <kconfig.h>
+#include <kglobal.h>
+#include <qlabel.h>
+#include <qstyle.h>
+#include <kiconloader.h>
+
+#include <X11/Xlib.h>
+#include <X11/extensions/shape.h>
+
+#include <kdecorationfactory.h>
+#include <kdecoration_plugins_p.h>
+
+// FRAME the preview doesn't update to reflect the changes done in the kcm
+
+KDecorationPreview::KDecorationPreview( QWidget* parent, const char* name )
+    :   QWidget( parent, name )
+    {
+    options = new KDecorationPreviewOptions;
+
+    bridge[Active]   = new KDecorationPreviewBridge( this, true );
+    bridge[Inactive] = new KDecorationPreviewBridge( this, false );
+
+    deco[Active] = deco[Inactive] = NULL;
+
+    no_preview = new QLabel( i18n( "No preview available.\n"
+                                   "Most probably there\n"
+                                   "was a problem loading the plugin." ), this );
+
+    no_preview->setAlignment( AlignCenter );
+
+    setMinimumSize( 100, 100 );
+    no_preview->resize( size());
+    }
+
+KDecorationPreview::~KDecorationPreview()
+    {
+    for ( int i = 0; i < NumWindows; i++ )
+        {
+        delete deco[i];
+        delete bridge[i];
+	}
+    delete options;
+    }
+
+bool KDecorationPreview::recreateDecoration( KDecorationPlugins* plugins )
+    {
+    for ( int i = 0; i < NumWindows; i++ )
+        {
+        delete deco[i];   // deletes also window
+        deco[i] = plugins->createDecoration( bridge[i] );
+        deco[i]->init();
+        }
+
+    if( deco[Active] == NULL || deco[Inactive] == NULL )
+        {
+        return false;
+        }
+
+    positionPreviews();
+    deco[Inactive]->widget()->show();
+    deco[Active]->widget()->show();
+
+    return true;
+    }
+
+void KDecorationPreview::enablePreview()
+    {
+    no_preview->hide();
+    }
+
+void KDecorationPreview::disablePreview()
+    {
+    delete deco[Active];
+    delete deco[Inactive];
+    deco[Active] = deco[Inactive] = NULL;
+    no_preview->show();
+    }
+
+void KDecorationPreview::resizeEvent( QResizeEvent* e )
+    {
+    QWidget::resizeEvent( e );
+    positionPreviews();
+    }
+
+void KDecorationPreview::positionPreviews()
+    {
+    int titleBarHeight, leftBorder, rightBorder, xoffset,
+        dummy1, dummy2, dummy3;
+    QRect geometry;
+    QSize size;
+
+    no_preview->resize( this->size() );
+
+    if ( !deco[Active] || !deco[Inactive] )
+        return;
+
+    // don't have more than one reference to the same dummy variable in one borders() call.
+    deco[Active]->borders( dummy1, dummy2, titleBarHeight, dummy3 );
+    deco[Inactive]->borders( leftBorder, rightBorder, dummy1, dummy2 );
+
+    titleBarHeight = kMin( int( titleBarHeight * .9 ), 30 );
+    xoffset = kMin( kMax( 10, QApplication::reverseLayout()
+			    ? leftBorder : rightBorder ), 30 );
+
+    // Resize the active window
+    size = QSize( width() - xoffset, height() - titleBarHeight )
+                .expandedTo( deco[Active]->minimumSize() );
+    geometry = QRect( QPoint( 0, titleBarHeight ), size );
+    deco[Active]->widget()->setGeometry( QStyle::visualRect( geometry, this ) );
+
+    // Resize the inactive window
+    size = QSize( width() - xoffset, height() - titleBarHeight )
+                .expandedTo( deco[Inactive]->minimumSize() );
+    geometry = QRect( QPoint( xoffset, 0 ), size );
+    deco[Inactive]->widget()->setGeometry( QStyle::visualRect( geometry, this ) );
+    }
+
+void KDecorationPreview::setPreviewMask( const QRegion& reg, int mode, bool active )
+    {
+    QWidget *widget = active ? deco[Active]->widget() : deco[Inactive]->widget();
+
+    // FRAME duped from client.cpp
+    if( mode == Unsorted )
+        {
+        XShapeCombineRegion( qt_xdisplay(), widget->winId(), ShapeBounding, 0, 0,
+            reg.handle(), ShapeSet );
+        }
+    else
+        {
+        QMemArray< QRect > rects = reg.rects();
+        XRectangle* xrects = new XRectangle[ rects.count() ];
+        for( unsigned int i = 0;
+             i < rects.count();
+             ++i )
+            {
+            xrects[ i ].x = rects[ i ].x();
+            xrects[ i ].y = rects[ i ].y();
+            xrects[ i ].width = rects[ i ].width();
+            xrects[ i ].height = rects[ i ].height();
+            }
+        XShapeCombineRectangles( qt_xdisplay(), widget->winId(), ShapeBounding, 0, 0,
+	    xrects, rects.count(), ShapeSet, mode );
+        delete[] xrects;
+        }
+    if( active )
+        mask = reg; // keep shape of the active window for unobscuredRegion()
+    }
+
+QRect KDecorationPreview::windowGeometry( bool active ) const
+    {
+    QWidget *widget = active ? deco[Active]->widget() : deco[Inactive]->widget();
+    return widget->geometry();
+    }
+
+void KDecorationPreview::setTempBorderSize(KDecorationPlugins* plugin, KDecorationDefines::BorderSize size)
+    {
+    options->setCustomBorderSize(size);
+    if (plugin->factory()->reset(KDecorationDefines::SettingBorder) )
+        {
+        // can't handle the change, recreate decorations then
+        recreateDecoration(plugin);
+        }
+    else
+        {
+        // handles the update, only update position...
+        positionPreviews();
+        }
+    }
+
+void KDecorationPreview::setTempButtons(KDecorationPlugins* plugin, bool customEnabled, const QString &left, const QString &right)
+    {
+    options->setCustomTitleButtonsEnabled(customEnabled);
+    options->setCustomTitleButtons(left, right);
+    if (plugin->factory()->reset(KDecorationDefines::SettingButtons) )
+        {
+        // can't handle the change, recreate decorations then
+        recreateDecoration(plugin);
+        }
+    else
+        {
+        // handles the update, only update position...
+        positionPreviews();
+        }
+    }
+
+QRegion KDecorationPreview::unobscuredRegion( bool active, const QRegion& r ) const
+    {
+    if( active ) // this one is not obscured
+        return r;
+    else
+        {
+        // copied from KWin core's code
+        QRegion ret = r;
+        QRegion r2 = mask;
+        if( r2.isEmpty())
+            r2 = QRegion( windowGeometry( true ));
+        r2.translate( windowGeometry( true ).x() - windowGeometry( false ).x(),
+            windowGeometry( true ).y() - windowGeometry( false ).y());
+        ret -= r2;
+        return ret;
+        }
+    }
+
+KDecorationPreviewBridge::KDecorationPreviewBridge( KDecorationPreview* p, bool a )
+    :   preview( p ), active( a )
+    {
+    }
+
+QWidget* KDecorationPreviewBridge::initialParentWidget() const
+    {
+    return preview;
+    }
+
+Qt::WFlags KDecorationPreviewBridge::initialWFlags() const
+    {
+    return 0;
+    }
+
+bool KDecorationPreviewBridge::isActive() const
+    {
+    return active;
+    }
+
+bool KDecorationPreviewBridge::isCloseable() const
+    {
+    return true;
+    }
+
+bool KDecorationPreviewBridge::isMaximizable() const
+    {
+    return true;
+    }
+
+KDecoration::MaximizeMode KDecorationPreviewBridge::maximizeMode() const
+    {
+    return KDecoration::MaximizeRestore;
+    }
+
+bool KDecorationPreviewBridge::isMinimizable() const
+    {
+    return true;
+    }
+
+bool KDecorationPreviewBridge::providesContextHelp() const
+    {
+    return true;
+    }
+
+int KDecorationPreviewBridge::desktop() const
+    {
+    return 1;
+    }
+
+bool KDecorationPreviewBridge::isModal() const
+    {
+    return false;
+    }
+
+bool KDecorationPreviewBridge::isShadeable() const
+    {
+    return true;
+    }
+
+bool KDecorationPreviewBridge::isShade() const
+    {
+    return false;
+    }
+
+bool KDecorationPreviewBridge::isSetShade() const
+    {
+    return false;
+    }
+
+bool KDecorationPreviewBridge::keepAbove() const
+    {
+    return false;
+    }
+
+bool KDecorationPreviewBridge::keepBelow() const
+    {
+    return false;
+    }
+
+bool KDecorationPreviewBridge::isMovable() const
+    {
+    return true;
+    }
+
+bool KDecorationPreviewBridge::isResizable() const
+    {
+    return true;
+    }
+
+NET::WindowType KDecorationPreviewBridge::windowType( unsigned long ) const
+    {
+    return NET::Normal;
+    }
+
+QIconSet KDecorationPreviewBridge::icon() const
+    {
+    return QIconSet( KGlobal::iconLoader()->loadIcon( "xapp", KIcon::NoGroup, 16 ),
+        KGlobal::iconLoader()->loadIcon( "xapp", KIcon::NoGroup, 32 ));
+    }
+
+QString KDecorationPreviewBridge::caption() const
+    {
+    return active ? i18n( "Active Window" ) : i18n( "Inactive Window" );
+    }
+
+void KDecorationPreviewBridge::processMousePressEvent( QMouseEvent* )
+    {
+    }
+
+void KDecorationPreviewBridge::showWindowMenu( const QRect &)
+    {
+    }
+
+void KDecorationPreviewBridge::showWindowMenu( QPoint )
+    {
+    }
+
+void KDecorationPreviewBridge::performWindowOperation( WindowOperation )
+    {
+    }
+
+void KDecorationPreviewBridge::setMask( const QRegion& reg, int mode )
+    {
+    preview->setPreviewMask( reg, mode, active );
+    }
+
+bool KDecorationPreviewBridge::isPreview() const
+    {
+    return true;
+    }
+
+QRect KDecorationPreviewBridge::geometry() const
+    {
+    return preview->windowGeometry( active );
+    }
+
+QRect KDecorationPreviewBridge::iconGeometry() const
+    {
+    return QRect();
+    }
+
+QRegion KDecorationPreviewBridge::unobscuredRegion( const QRegion& r ) const
+    {
+    return preview->unobscuredRegion( active, r );
+    }
+
+QWidget* KDecorationPreviewBridge::workspaceWidget() const
+    {
+    return preview;
+    }
+
+WId KDecorationPreviewBridge::windowId() const
+    {
+    return 0; // no decorated window
+    }
+
+void KDecorationPreviewBridge::closeWindow()
+    {
+    }
+
+void KDecorationPreviewBridge::maximize( MaximizeMode )
+    {
+    }
+
+void KDecorationPreviewBridge::minimize()
+    {
+    }
+
+void KDecorationPreviewBridge::showContextHelp()
+    {
+    }
+
+void KDecorationPreviewBridge::setDesktop( int )
+    {
+    }
+
+void KDecorationPreviewBridge::titlebarDblClickOperation()
+    {
+    }
+
+void KDecorationPreviewBridge::titlebarMouseWheelOperation( int )
+    {
+    }
+
+void KDecorationPreviewBridge::setShade( bool )
+    {
+    }
+
+void KDecorationPreviewBridge::setKeepAbove( bool )
+    {
+    }
+
+void KDecorationPreviewBridge::setKeepBelow( bool )
+    {
+    }
+
+int KDecorationPreviewBridge::currentDesktop() const
+    {
+    return 1;
+    }
+
+void KDecorationPreviewBridge::helperShowHide( bool )
+    {
+    }
+
+void KDecorationPreviewBridge::grabXServer( bool )
+    {
+    }
+
+KDecorationPreviewOptions::KDecorationPreviewOptions()
+    {
+    customBorderSize = BordersCount; // invalid
+    customButtonsChanged = false; // invalid
+    customButtons = true;
+    customTitleButtonsLeft = QString::null; // invalid
+    customTitleButtonsRight = QString::null; // invalid
+
+    d = new KDecorationOptionsPrivate;
+    d->defaultKWinSettings();
+    updateSettings();
+    }
+
+KDecorationPreviewOptions::~KDecorationPreviewOptions()
+    {
+    delete d;
+    }
+
+unsigned long KDecorationPreviewOptions::updateSettings()
+    {
+    KConfig cfg( "kwinrc", true );
+    unsigned long changed = 0;
+    changed |= d->updateKWinSettings( &cfg );
+
+    // set custom border size/buttons
+    if (customBorderSize != BordersCount)
+        d->border_size = customBorderSize;
+    if (customButtonsChanged)
+        d->custom_button_positions = customButtons;
+    if (customButtons) {
+        if (!customTitleButtonsLeft.isNull() )
+            d->title_buttons_left = customTitleButtonsLeft;
+        if (!customTitleButtonsRight.isNull() )
+            d->title_buttons_right = customTitleButtonsRight;
+    } else {
+        d->title_buttons_left = "MS";
+        d->title_buttons_right = "HIAX";
+    }
+
+    return changed;
+    }
+
+void KDecorationPreviewOptions::setCustomBorderSize(BorderSize size)
+    {
+    customBorderSize = size;
+
+    updateSettings();
+    }
+
+void KDecorationPreviewOptions::setCustomTitleButtonsEnabled(bool enabled)
+{
+    customButtonsChanged = true;
+    customButtons = enabled;
+
+    updateSettings();
+}
+
+void KDecorationPreviewOptions::setCustomTitleButtons(const QString &left, const QString &right)
+    {
+    customTitleButtonsLeft = left;
+    customTitleButtonsRight = right;
+
+    updateSettings();
+    }
+
+bool KDecorationPreviewPlugins::provides( Requirement )
+    {
+    return false;
+    }
+
+#include "preview.moc"