Index: printdialogpagebase.ui
===================================================================
--- printdialogpagebase.ui	(revisione 618211)
+++ printdialogpagebase.ui	(copia locale)
@@ -151,7 +151,7 @@
                         <bool>true</bool>
                     </property>
                     <property name="buttonGroupId">
-                        <number>0</number>
+                        <number>1</number>
                     </property>
                 </widget>
                 <widget class="QRadioButton">
@@ -165,7 +165,7 @@
                         <bool>false</bool>
                     </property>
                     <property name="buttonGroupId">
-                        <number>1</number>
+                        <number>2</number>
                     </property>
                 </widget>
                 <widget class="QLayoutWidget">
@@ -231,7 +231,7 @@
                         <string>&amp;Scale to:</string>
                     </property>
                     <property name="buttonGroupId">
-                        <number>2</number>
+                        <number>3</number>
                     </property>
                 </widget>
                 <widget class="QLayoutWidget">
Index: printdialog.cpp
===================================================================
--- printdialog.cpp	(revisione 618211)
+++ printdialog.cpp	(copia locale)
@@ -37,6 +37,7 @@
 #include "document.h"
 #include "printdialogpagebase.h"
 #include "printdialog.moc"
+
 namespace Gwenview {
 
 
@@ -99,9 +100,9 @@
 	opts["app-gwenview-printFilename"] = mContent->mAddFileName->isChecked() ? STR_TRUE : STR_FALSE;
 	opts["app-gwenview-printComment"] = mContent->mAddComment->isChecked() ? STR_TRUE : STR_FALSE;
 	opts["app-gwenview-scale"] = QString::number(
-		mContent->mNoScale->isChecked() ? 0
-		: mContent->mFitToPage->isChecked() ? 1
-		: 2);
+		mContent->mNoScale->isChecked() ? GV_NOSCALE
+		: mContent->mFitToPage->isChecked() ? GV_FITTOPAGE
+		: GV_SCALE);
 	opts["app-gwenview-fitToPage"] = mContent->mFitToPage->isChecked() ? STR_TRUE : STR_FALSE;
 	opts["app-gwenview-enlargeToFit"] = mContent->mEnlargeToFit->isChecked() ? STR_TRUE : STR_FALSE;
 
@@ -125,13 +126,14 @@
 
 	mContent->mAddFileName->setChecked( opts["app-gwenview-printFilename"] == STR_TRUE );
 	mContent->mAddComment->setChecked( opts["app-gwenview-printComment"] == STR_TRUE );
-	
-	val = opts["app-gwenview-scale"].toInt( &ok );
-	if (ok) {
-		mContent->mScaleGroup->setButton( val );
-	} else {
-		mContent->mScaleGroup->setButton( 0 );
-	}
+	// Starts from id 1 because 0 is returned if not ok, and seems to have a weird
+	// problem with id 2 (last id) otherwise :(
+	ScaleId scaleButtonId = static_cast<ScaleId>( opts["app-gwenview-scale"].toInt( &ok ) );
+ 	if (ok) {
+		mContent->mScaleGroup->setButton( scaleButtonId );
+ 	} else {
+ 		mContent->mScaleGroup->setButton( GV_NOSCALE );
+ 	}
 	mContent->mEnlargeToFit->setChecked( opts["app-gwenview-enlargeToFit"] == STR_TRUE );
 
 	Unit unit = static_cast<Unit>( opts["app-gwenview-scaleUnit"].toInt( &ok ) );
@@ -250,12 +252,17 @@
 
 void PrintDialogPage::toggleRatio(bool enable) {
 	if (!enable) return;
+	// choosing a startup value of 15x10 cm (common photo dimention)
+	// mContent->mHeight->value() or mContent->mWidth->value()
+	// are usually empty at startup and hxw (0x0) isn't good IMO keeping ratio
 	double hValue, wValue;
 	if (mDocument->height() > mDocument->width()) {
 		hValue = mContent->mHeight->value();
+		if (!hValue) hValue = 150*unitToMM(mPreviousUnit);
 		wValue = (mDocument->width() * hValue)/ mDocument->height();
 	} else {
 		wValue = mContent->mWidth->value();
+		if (!wValue) wValue = 150*unitToMM(mPreviousUnit);
 		hValue = (mDocument->height() * wValue)/ mDocument->width();
 	}
 	
Index: document.cpp
===================================================================
--- document.cpp	(revisione 618211)
+++ document.cpp	(copia locale)
@@ -388,13 +388,13 @@
 	int scaling = printer->option( "app-gwenview-scale" ).toInt();
 
 	QSize size = image.size();
-	if (scaling==1 /* Fit to page */) {
+	if (scaling==GV_FITTOPAGE /* Fit to page */) {
 		bool enlargeToFit = printer->option( "app-gwenview-enlargeToFit" ) != f;
 		if ((image.width() > pdWidth || image.height() > pdHeight) || enlargeToFit) {
 			size.scale( pdWidth, pdHeight, QSize::ScaleMin );
 		}
 	} else {
-		if (scaling==2 /* Scale To */) {
+		if (scaling==GV_SCALE /* Scale To */) {
 			int unit = (printer->option("app-gwenview-scaleUnit").isEmpty() ?
 				GV_INCHES : printer->option("app-gwenview-scaleUnit").toInt());
 			double inches = 1;
@@ -410,7 +410,7 @@
 			size.setWidth( int(wImg * printer->resolution()) );
 			size.setHeight( int(hImg * printer->resolution()) );
 		} else {
-			/* No scaling */
+			/* GV_NOSCALE: no scaling */
 			size = image.size();
 		}
 
Index: printdialog.h
===================================================================
--- printdialog.h	(revisione 618211)
+++ printdialog.h	(copia locale)
@@ -40,6 +40,12 @@
 	GV_INCHES
 };
 
+enum ScaleId {
+	GV_NOSCALE=1,
+	GV_FITTOPAGE,
+	GV_SCALE
+};
+
 class LIBGWENVIEW_EXPORT PrintDialogPage : public KPrintDialogPage {
 	Q_OBJECT