From dc689e52d12ed25038bc1d54dfa4fb2613545e1c Mon Sep 17 00:00:00 2001
From: Matthias Koefferlein <matthias@klayout.de>
Date: Thu, 13 Apr 2023 22:50:58 +0200
Subject: [PATCH] Added a method 'widget' to LayoutView to deliver the QWidget
 object for the view

---
 src/laybasic/laybasic/gsiDeclLayLayoutViewBase.cc | 15 +++++++++++++--
 src/laybasic/laybasic/layLayoutViewBase.h         | 15 +++++++++++++++
 2 files changed, 28 insertions(+), 2 deletions(-)

diff --git a/src/laybasic/laybasic/gsiDeclLayLayoutViewBase.cc b/src/laybasic/laybasic/gsiDeclLayLayoutViewBase.cc
index 54478e7ef..43b8af32b 100644
--- a/src/laybasic/laybasic/gsiDeclLayLayoutViewBase.cc
+++ b/src/laybasic/laybasic/gsiDeclLayLayoutViewBase.cc
@@ -335,11 +335,17 @@ static void save_image_with_options (lay::LayoutViewBase *view, const std::strin
   view->save_image_with_options (fn, width, height, linewidth, oversampling, resolution, tl::Color (), tl::Color (), tl::Color (), target_box, monochrome);
 }
 
-#if defined(HAVE_QTBINDINGS)
+#if defined(HAVE_QT) && defined(HAVE_QTBINDINGS)
 static QImage get_image_with_options (lay::LayoutViewBase *view, unsigned int width, unsigned int height, int linewidth, int oversampling, double resolution, const db::DBox &target_box, bool monochrome)
 {
   return view->get_image_with_options (width, height, linewidth, oversampling, resolution, tl::Color (), tl::Color (), tl::Color (), target_box, monochrome);
 }
+
+static QWidget *widget (lay::LayoutViewBase *view)
+{
+  return view->widget ();
+}
+
 #endif
 
 static std::vector<std::string> 
@@ -1158,7 +1164,12 @@ LAYBASIC_PUBLIC Class<lay::LayoutViewBase> decl_LayoutViewBase ("lay", "LayoutVi
     "The image is drawn synchronously with the given width and height. Drawing may take some time. "
     "Monochrome images don't have background or annotation objects currently.\n"
     "\n"
-    "This method has been introduced in 0.23.10.\n"
+    "This method has been introduced in version 0.23.10.\n"
+  ) +
+  gsi::method_ext ("widget", &widget,
+    "@brief Gets the QWidget object of the view\n"
+    "\n"
+    "This method has been introduced in version 0.28.7.\n"
   ) +
 #endif
   gsi::method ("get_screenshot_pixels", static_cast<tl::PixelBuffer (lay::LayoutViewBase::*) ()> (&lay::LayoutViewBase::get_screenshot_pb),
diff --git a/src/laybasic/laybasic/layLayoutViewBase.h b/src/laybasic/laybasic/layLayoutViewBase.h
index 0263a208a..0f8281458 100644
--- a/src/laybasic/laybasic/layLayoutViewBase.h
+++ b/src/laybasic/laybasic/layLayoutViewBase.h
@@ -54,6 +54,11 @@
 #include "tlDeferredExecution.h"
 #include "dbInstElement.h"
 
+#if defined(HAVE_QT)
+# include <QImage>
+class QWidget;
+#endif
+
 namespace rdb {
   class Database;
 }
@@ -980,6 +985,16 @@ public:
    */
   tl::BitmapBuffer get_pixels_with_options_mono (unsigned int width, unsigned int height, int linewidth, tl::Color background, tl::Color foreground, tl::Color active_color, const db::DBox &target_box);
 
+#if defined(HAVE_QT)
+  /**
+   *  @brief Gets the widget object that view is embedded in
+   */
+  virtual QWidget *widget ()
+  {
+    return 0;
+  }
+#endif
+
   /**
    *  @brief Hierarchy level selection setter
    */