Show deco name and author info directly in each decoration preview.

svn path=/trunk/KDE/kdebase/workspace/; revision=1118057

kcmkwin/kwindecoration/decorationmodel.cpp

@@ -29,9 +29,11 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include <QtGui/QApplication>
 #include <QtGui/QPainter>
 #include <QtGui/QStyle>
+#include <QtGui/QTextDocument>
 // KDE
 #include <KConfigGroup>
 #include <KDesktopFile>
+#include <KGlobalSettings>
 #include <KIcon>
 #include <KLocale>
 #include <KStandardDirs>
@@ -48,6 +50,7 @@ DecorationModel::DecorationModel( KSharedConfigPtr config, QObject* parent )
     , m_rightButtons( QString() )
     , m_theme( new Aurorae::AuroraeTheme( this ) )
     , m_scene( new Aurorae::AuroraeScene( m_theme, QString(), QString(), true, this ) )
+    , m_renderWidget( new QWidget( 0 ) )
     {
     m_config = KSharedConfig::openConfig( "auroraerc" );
     m_scene->setIcon( KIcon( "xorg" ) );
@@ -58,6 +61,7 @@ DecorationModel::~DecorationModel()
     {
     delete m_preview;
     delete m_plugins;
+    delete m_renderWidget;
     }
 
 void DecorationModel::reload()
@@ -276,6 +280,27 @@ void DecorationModel::regeneratePreviews()
 void DecorationModel::regeneratePreview( const QModelIndex& index, const QSize& size )
     {
     DecorationModelData& data = m_decorations[ index.row() ];
+    //Use a QTextDocument to layout the text
+    QTextDocument document;
+
+    QString html = QString( "<strong>%1</strong>" ).arg( data.name );
+
+    if( !data.author.isEmpty() )
+        {
+        QString authorCaption = i18nc( "Caption to decoration preview, %1 author name",
+                                        "by %1", data.author );
+
+        html += QString( "<br /><span style=\"font-size: %1pt;\">%2</span>" )
+                .arg( KGlobalSettings::smallestReadableFont().pointSize() )
+                .arg( authorCaption );
+        }
+
+    QColor color = QApplication::palette().brush( QPalette::Text ).color();
+    html = QString( "<div style=\"color: %1\" align=\"center\">%2</div>" ).arg( color.name() ).arg( html );
+
+    document.setHtml( html );
+    const int margin = 5;
+
     switch( data.type )
         {
         case DecorationModelData::NativeDecoration:
@@ -289,7 +314,7 @@ void DecorationModel::regeneratePreview( const QModelIndex& index, const QSize&
             m_preview->resize( size );
             m_preview->setTempButtons( m_plugins, m_customButtons, m_leftButtons, m_rightButtons );
             m_preview->setTempBorderSize( m_plugins, data.borderSize );
-            data.preview = m_preview->preview();
+            data.preview = m_preview->preview( &document, m_renderWidget );
             break;
         case DecorationModelData::AuroraeDecoration:
             {
@@ -309,16 +334,31 @@ void DecorationModel::regeneratePreview( const QModelIndex& index, const QSize&
                                    size.width() - xoffset - 20 + padLeft + padRight,
                                    size.height() - top - 20 + padLeft + padRight );
             m_scene->setActive( false, false );
-            m_scene->setCaption( data.name + " - " + i18n( "Inactive Window" ) );
+            m_scene->setCaption( i18n( "Inactive Window" ) );
             m_scene->setButtons( m_customButtons ? m_leftButtons : m_theme->defaultButtonsLeft(),
                                  m_customButtons ? m_rightButtons : m_theme->defaultButtonsRight());
             QPainter painter( &pix );
             QRect rect = QRectF( QPointF( 10 + xoffset - padLeft, 10 - padTop ), m_scene->sceneRect().size() ).toRect();
             m_scene->render( &painter, QStyle::visualRect( QApplication::layoutDirection(), pix.rect(), rect ));
             m_scene->setActive( true, false );
-            m_scene->setCaption( data.name + " - " + i18n( "Active Window" ) );
+            m_scene->setCaption( i18n( "Active Window" ) );
             rect = QRectF( QPointF( 10 - padLeft, top + 10 - padTop ), m_scene->sceneRect().size() ).toRect();
             m_scene->render( &painter, QStyle::visualRect( QApplication::layoutDirection(), pix.rect(), rect ));
+
+            const int width = rect.width() - left - right - padLeft - padRight;
+            const int height = rect.height() - top - bottom -padTop - padBottom;
+            m_renderWidget->setGeometry( 0, 0, width, height );
+            painter.save();
+            const QPoint topLeft = QStyle::visualRect( QApplication::layoutDirection(), pix.rect(), rect ).topLeft() +
+                                   QPoint( left + padLeft, top + padTop );
+            m_renderWidget->render( &painter, topLeft );
+            painter.restore();
+            //Enable word-wrap
+            document.setTextWidth( width - margin * 2 );
+            painter.save();
+            painter.translate( topLeft );
+            document.drawContents( &painter, QRectF( margin, margin, width - margin * 2, height - margin * 2 ));
+            painter.restore();
             data.preview = pix;
             break;
             }

kcmkwin/kwindecoration/decorationmodel.h

@@ -25,6 +25,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include <KConfig>
 #include <kdecoration.h>
 
+class QWidget;
 class KDesktopFile;
 class KDecorationPlugins;
 class KDecorationPreview;
@@ -128,6 +129,7 @@ class DecorationModel : public QAbstractListModel
         Aurorae::AuroraeTheme* m_theme;
         Aurorae::AuroraeScene* m_scene;
         KSharedConfigPtr m_config;
+        QWidget* m_renderWidget;
 };
 
 } // namespace KWin

kcmkwin/kwindecoration/preview.cpp

@@ -38,6 +38,7 @@
 #include <kdecoration_plugins_p.h>
 #include <QX11Info>
 #include <kwindowsystem.h>
+#include <QTextDocument>
 
 KDecorationPreview::KDecorationPreview( QWidget* parent )
     :   QWidget( parent )
@@ -123,7 +124,7 @@ void KDecorationPreview::paintEvent( QPaintEvent* e )
         }
     }
 
-QPixmap KDecorationPreview::preview()
+QPixmap KDecorationPreview::preview( QTextDocument* document, QWidget* widget )
     {
     QPixmap pixmap( size() );
     pixmap.fill( Qt::transparent );
@@ -137,6 +138,25 @@ QPixmap KDecorationPreview::preview()
         {
         QWidget *w = deco[Active]->widget();
         w->render( &pixmap, w->mapToParent( QPoint(0, 0) ) );
+        int left, right, top, bottom;
+        deco[Active]->borders( left, right, top, bottom );
+        int padLeft, padRight, padTop, padBottom;
+        padLeft = padRight = padTop = padBottom = 0;
+        if( KDecorationUnstable *unstable = qobject_cast<KDecorationUnstable *>( deco[Active] ) )
+            {
+            unstable->padding( padLeft, padRight, padTop, padBottom );
+            }
+        widget->setGeometry( 0, 0,
+                             w->geometry().width() - left - right - padLeft - padRight,
+                             w->geometry().height() - top - bottom - padTop - padBottom );
+        QPoint topLeft = w->geometry().topLeft() + QPoint( left + padLeft, top + padTop );
+        widget->render( &pixmap, topLeft );
+        //Enable word-wrap
+        const int margin = 5;
+        document->setTextWidth( widget->width() - margin * 2 );
+        QPainter painter( &pixmap );
+        painter.translate( topLeft );
+        document->drawContents( &painter, widget->geometry().adjusted( margin, margin, -margin, -margin ));
         }
     return pixmap;
     }

kcmkwin/kwindecoration/preview.h

@@ -30,6 +30,7 @@
 #include <kdecoration_plugins_p.h>
 
 class QLabel;
+class QTextDocument;
 
 class KDecorationPreviewBridge;
 class KDecorationPreviewOptions;
@@ -54,7 +55,7 @@ class KDecorationPreview
         QRect windowGeometry( bool ) const;
         void setTempBorderSize(KDecorationPlugins* plugin, KDecorationDefines::BorderSize size);
         void setTempButtons(KDecorationPlugins* plugin, bool customEnabled, const QString &left, const QString &right);
-        QPixmap preview();
+        QPixmap preview(QTextDocument* document, QWidget* widget);
     protected:
         virtual void paintEvent( QPaintEvent* );
         virtual void resizeEvent( QResizeEvent* );