Custom embedded attribute form ui: Forward esc keypress to parent

Fix #10675
qgis · Jun 24, 2014 · acea234 · acea234
1 parent bbb9700
commit acea234
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Showing 2 changed files with 32 additions and 0 deletions.
diff --git a/src/gui/qgsattributeform.cpp b/src/gui/qgsattributeform.cpp
@@ -28,6 +28,7 @@
 #include <QFormLayout>
 #include <QGridLayout>
 #include <QGroupBox>
+#include <QKeyEvent>
 #include <QLabel>
 #include <QPushButton>
 #include <QScrollArea>
@@ -322,6 +323,8 @@ void QgsAttributeForm::init()
       formWidget->show();
       file.close();
       createWrappers();
+
+      formWidget->installEventFilter( this );
     }
   }
 
@@ -664,3 +667,22 @@ void QgsAttributeForm::connectWrappers()
       connect( eww, SIGNAL( valueChanged( const QVariant& ) ), this, SLOT( onAttributeChanged( const QVariant& ) ) );
   }
 }
+
+
+bool QgsAttributeForm::eventFilter( QObject* object, QEvent* e )
+{
+  Q_UNUSED( object )
+
+  if ( e->type() == QEvent::KeyPress )
+  {
+    QKeyEvent* keyEvent = dynamic_cast<QKeyEvent*>( e );
+    if ( keyEvent->key() == Qt::Key_Escape )
+    {
+      // Re-emit to this form so it will be forwarded to parent
+      event( e );
+      return true;
+    }
+  }
+
+  return false;
+}
diff --git a/src/gui/qgsattributeform.h b/src/gui/qgsattributeform.h
@@ -66,6 +66,16 @@ class GUI_EXPORT QgsAttributeForm : public QWidget
      */
     void setEditCommandMessage( const QString& message ) { mEditCommandMessage = message; }
 
+    /**
+     * Intercepts keypress on custom form (escape should not close it)
+     *
+     * @param object   The object for which the event has been sent
+     * @param event    The event which is being filtered
+     *
+     * @return         true if the event has been handled (key was ESC)
+     */
+    bool eventFilter( QObject* object, QEvent* event );
+
   signals:
     /**
      * Notifies about changes of attributes