PS print dialog: open with a non-lilliputian size, and remember its size across invocations

svn path=/trunk/KDE/kdegraphics/okular/; revision=945138

ui/fileprinterpreview.cpp

@@ -37,6 +37,8 @@ public:
         , mainWidget(new QWidget(host))
         , previewPart(0)
         , failMessage(0)
+        , config(KSharedConfig::openConfig(QString::fromLatin1("okularrc")))
+
     {
         filename = _filename;
     }
@@ -53,6 +55,8 @@ public:
 
     KParts::ReadOnlyPart *previewPart;
     QWidget *failMessage;
+
+    KSharedConfig::Ptr config;
 };
 
 void FilePrinterPreviewPrivate::getPart()
@@ -124,13 +128,24 @@ FilePrinterPreview::FilePrinterPreview( const QString &filename, QWidget *parent
     // Set up the dialog
     setCaption(i18n("Print Preview"));
     setButtons(KDialog::Close);
+
+    restoreDialogSize(d->config->group("Print Preview"));
 }
 
 FilePrinterPreview::~FilePrinterPreview()
 {
+    KConfigGroup group(d->config->group("Print Preview"));
+    saveDialogSize(group);
+
     delete d;
 }
 
+QSize FilePrinterPreview::sizeHint() const
+{
+    // return a more or less useful window size, if not saved already
+    return QSize(600, 500);
+}
+
 void FilePrinterPreview::showEvent(QShowEvent *event)
 {
     if (!event->spontaneous()) {

ui/fileprinterpreview.h

@@ -35,6 +35,8 @@ public:
     explicit FilePrinterPreview( const QString &filename, QWidget *parent = 0 );
     virtual ~FilePrinterPreview();
 
+    QSize sizeHint() const;
+
 protected:
     void showEvent( QShowEvent *event );