switched from QDialog to QAbstractDialog

Author: dxli

app/QCpdWindow.cpp

@@ -13,12 +13,12 @@ void ui_add_printer_aux(gpointer key, gpointer value, gpointer user_data);
 QCpdWindow *_window;
 
 QCpdWindow::QCpdWindow(QPrinter *printer, QWidget *parent) :
-    QDialog(parent),
+    QAbstractPrintDialog(printer, parent),
     masterLayout(new QGridLayout(this)),
     tabs(new Tabs(this)),
     root(new Root(this)),
     preview(new Preview(printer, this)),
-    controls(new Controls(this))
+    controls{new Controls(this)}
 {
     /*
      * masterLayout

app/QCpdWindow.h

@@ -2,7 +2,6 @@
 #define QCPDWINDOW_H
 
 #include <QAbstractPrintDialog>
-#include <QDialog>
 #include "components.h"
 
 
@@ -26,7 +25,7 @@ typedef struct {
     std::string arg2;
 } Command;
 
-class QCpdWindow : public QDialog {
+class QCpdWindow : public QAbstractPrintDialog {
     Q_OBJECT
 public:
     FrontendObj *f;
@@ -47,6 +46,7 @@ class QCpdWindow : public QDialog {
     void addJobHoldUntil(char* startJobOption) {}
     void addPagesPerSize(char* pages) {}
     void updateAllOptions(const QString &printer) {}
+    int exec() override { return QDialog::exec();}
     gpointer parse_commands(gpointer user_data);
     gpointer ui_add_printer(gpointer user_data);