Signature plugin: Some adjustments, icons

Pdf4QtLib/sources/pdfpagecontenteditorwidget.h

@@ -23,6 +23,8 @@
 #include <QDockWidget>
 #include <QSignalMapper>
 
+class QToolButton;
+
 namespace Ui
 {
 class PDFPageContentEditorWidget;
@@ -42,6 +44,8 @@ public:
     /// Adds external action to the tool box
     void addAction(QAction* action);
 
+    QToolButton* getToolButtonForOperation(int operation) const;
+
 signals:
     void operationTriggered(int operation);