Placed view in a scroll area.

glabels/MainWindow.cpp

@@ -23,6 +23,7 @@
 #include <QSettings>
 #include <QStatusBar>
 #include <QFrame>
+#include <QScrollArea>
 #include <QAction>
 #include <QCloseEvent>
 #include <QMenuBar>
@@ -57,13 +58,9 @@ namespace glabels
 	MainWindow::MainWindow()
 		: mModel(0)
 	{
-		mView = new View();
-		mObjectEditor = new ObjectEditor();
-
 		createActions();
 		createMenus();
 		createToolBars();
-		createStatusBar();
 
 		QWidget* editorPage = createEditorPage();
 		QWidget* mergePage = createMergePage();
@@ -77,6 +74,8 @@ namespace glabels
 
 		setCentralWidget( mNotebook );
 
+		createStatusBar();
+
 		setDocVerbsEnabled( false );
 		setPasteVerbsEnabled( false );
 		setTitle();
@@ -573,9 +572,17 @@ namespace glabels
 	{
 		QWidget* page = new QWidget;
 
+		mView = new View();
+		mObjectEditor = new ObjectEditor();
+
+		QScrollArea* scrollArea = new QScrollArea();
+		scrollArea->setMinimumSize( 640, 450 );
+		scrollArea->setWidgetResizable( true );
+		scrollArea->setWidget( mView );
+
 		QVBoxLayout* editorVLayout = new QVBoxLayout;
 		editorVLayout->addWidget( editorToolBar );
-		editorVLayout->addWidget( mView );
+		editorVLayout->addWidget( scrollArea );
 
 		QHBoxLayout* editorHLayout = new QHBoxLayout;
 		editorHLayout->addLayout( editorVLayout );

glabels/View.cpp

@@ -85,8 +85,6 @@ glabels::View::View( QWidget *parent ) : QWidget(parent)
 	mInObjectCreateMode = false;
 
 	setMouseTracking( true );
-
-	setMinimumSize( 640, 450 );
 }
 
 
@@ -234,8 +232,12 @@ glabels::View::zoomToFit()
 	using std::min;
 	using std::max;
 
-	double x_scale = ( width() - ZOOM_TO_FIT_PAD ) / mModel->w();
-	double y_scale = ( height() - ZOOM_TO_FIT_PAD ) / mModel->h();
+	// Assumes parent widget (QScrollArea) exists
+	double wPixels = parentWidget()->width();
+	double hPixels = parentWidget()->height();
+	
+	double x_scale = ( wPixels - ZOOM_TO_FIT_PAD ) / mModel->w();
+	double y_scale = ( hPixels - ZOOM_TO_FIT_PAD ) / mModel->h();
 	double newZoom = min( x_scale, y_scale ) * PTS_PER_INCH / physicalDpiX();
 
 	// Limits
@@ -278,6 +280,8 @@ glabels::View::setZoomReal( double zoom, bool zoomToFitFlag )
 	/* Actual scale depends on DPI of display (assume DpiX == DpiY). */
 	mScale = zoom * physicalDpiX() / PTS_PER_INCH;
 
+	setMinimumSize( mScale*mModel->w(), mScale*mModel->h() );
+
 	/* Adjust origin to center label in widget. */
 	mX0 = (width()/mScale - mModel->w()) / 2;
 	mY0 = (height()/mScale - mModel->h()) / 2;