Just for danimo: moved the painting code from ListBox to PlaylistBox, i.e.

de-uglified the KListView painting...

svn path=/trunk/kdemultimedia/juk/; revision=220319

playlistbox.cpp

@@ -28,6 +28,8 @@
 #include <qdrawutil.h>
 #include <qclipboard.h>
 #include <qheader.h>
+#include <qpainter.h>
+#include <qregexp.h>
 
 #include "playlistbox.h"
 #include "collectionlist.h"
@@ -41,9 +43,12 @@ PlaylistBox::PlaylistBox(PlaylistSplitter *parent, const char *name) : KListView
 								       m_splitter(parent),
 								       m_updatePlaylistStack(true)
 {
-    addColumn("Playlists");
+    addColumn("Playlists", width());
     header()->hide();
     setSorting(0);
+    setFullWidth(true);
+    // setAlternateBackground(QColor());
+    setItemMargin(3);
     
     // Sadly the actions from the main menu can't be reused because these require being enabled and disabled at
     // different times.
@@ -421,7 +426,7 @@ void PlaylistBox::Item::slotSetName(const QString &name)
 
 PlaylistBox::Item::Item(PlaylistBox *listbox, const QPixmap &pix, const QString &text, Playlist *l) 
     : QObject(listbox), KListViewItem(listbox, text),
-      m_list(l)
+      m_list(l), m_text(text)
 {
     setPixmap(0, pix);
     listbox->addName(text);
@@ -429,13 +434,6 @@ PlaylistBox::Item::Item(PlaylistBox *listbox, const QPixmap &pix, const QString
     connect(l, SIGNAL(signalNameChanged(const QString &)), this, SLOT(slotSetName(const QString &)));
 }
 
-PlaylistBox::Item::Item(PlaylistBox *listbox, const QString &text, Playlist *l) 
-    : KListViewItem(listbox, text),
-      m_list(l)
-{
-    setPixmap(0, SmallIcon("midi", 32));
-}
-
 PlaylistBox::Item::~Item()
 {
 
@@ -451,4 +449,43 @@ int PlaylistBox::Item::compare(QListViewItem *i, int col, bool) const
     return text(col).lower().localeAwareCompare(i->text(col).lower());
 }
 
+void PlaylistBox::Item::paintCell(QPainter *painter, const QColorGroup &colorGroup, int column, int width, int align)
+{
+    if(width > pixmap(column)->width()) {
+	QFontMetrics fm = painter->fontMetrics();
+    
+	QStringList lines;
+	QString line = m_text;
+	
+	while(!line.isEmpty()) {
+	    int textLength = line.length();
+	    while(textLength > 0 && 
+		  fm.width(line.mid(0, textLength).stripWhiteSpace()) + 
+		  pixmap(column)->width() + 
+		  listView()->itemMargin() * 4 > width)
+	    {
+		int i = line.findRev(QRegExp( "\\W"), textLength - 1);
+		if(i > 0)
+		    textLength = i;
+		else
+		    textLength--;
+	    }
+	    
+	    lines.append(line.mid(0, textLength).stripWhiteSpace());
+	    line = line.mid(textLength);
+	}
+	
+	setMultiLinesEnabled(lines.count() > 1);
+
+	KListViewItem::setText(column, lines.join("\n"));
+    }
+    KListViewItem::paintCell(painter, colorGroup, column, width, align);
+}
+
+void PlaylistBox::Item::setText(int column, const QString &text)
+{
+    m_text = text;
+    KListViewItem::setText(column, text);
+}
+
 #include "playlistbox.moc"

playlistbox.h

@@ -132,20 +132,22 @@ class PlaylistBox::Item : public QObject, public KListViewItem
 public:
     virtual ~Item();
 
+public slots:
+    void slotSetName(const QString &name);
+    
 protected:
     Item(PlaylistBox *listbox, const QPixmap &pix, const QString &text, Playlist *l = 0);
-    Item(PlaylistBox *listbox, const QString &text, Playlist *l = 0);
 
     Playlist *playlist() const { return m_list; }
     PlaylistBox *listView() const { return static_cast<PlaylistBox *>(KListViewItem::listView()); }
 
     virtual int compare(QListViewItem *i, int col, bool) const;
+    virtual void paintCell(QPainter *p, const QColorGroup &colorGroup, int column, int width, int align);
+    virtual void setText(int column, const QString &text);
 
-public slots:
-    void slotSetName(const QString &name);
-    
 private:
     Playlist *m_list;
+    QString m_text;
 };
 
 #endif

playlistsplitter.cpp

@@ -383,6 +383,8 @@ void PlaylistSplitter::slotRenameFile()
 
 void PlaylistSplitter::setupLayout()
 {
+    setOpaqueResize(true);
+
     m_playlistBox = new PlaylistBox(this, "playlistBox");
 
     // Create a splitter to go between the playlists and the editor.