Gui: [skip ci] add option to automatically close task dialog if undo/redo was pressed

src/Gui/TaskView/TaskDialog.cpp

@@ -38,7 +38,9 @@ using namespace Gui::TaskView;
 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 
 TaskDialog::TaskDialog()
-    : QObject(0), pos(North), escapeButton(true)
+    : QObject(nullptr), pos(North)
+    , escapeButton(true)
+    , autoCloseTransaction(false)
 {
 
 }
@@ -84,6 +86,11 @@ void TaskDialog::closed()
 
 }
 
+void TaskDialog::autoClosedOnTransactionChange()
+{
+
+}
+
 void TaskDialog::clicked(int)
 {
 

src/Gui/TaskView/TaskDialog.h

@@ -75,6 +75,15 @@ public:
         return escapeButton;
     }
 
+    /// Defines whether a task dialog must be closed if the document changed the
+    /// active transaction.
+    void setAutoCloseOnTransactionChange(bool on) {
+        autoCloseTransaction = on;
+    }
+    bool isAutoCloseOnTransactionChange() const {
+        return autoCloseTransaction;
+    }
+
     const std::string& getDocumentName() const
     { return documentName; }
     void setDocumentName(const std::string& doc)
@@ -105,6 +114,9 @@ public:
     virtual void open();
     /// is called by the framework when the dialog is closed
     virtual void closed();
+    /// is called by the framework when the dialog is automatically closed due to
+    /// changing the active transaction
+    virtual void autoClosedOnTransactionChange();
     /// is called by the framework if a button is clicked which has no accept or reject role
     virtual void clicked(int);
     /// is called by the framework if the dialog is accepted (Ok)
@@ -129,6 +141,7 @@ protected:
 private:
     std::string documentName;
     bool escapeButton;
+    bool autoCloseTransaction;
 };
 
 } //namespace TaskView

src/Gui/TaskView/TaskView.cpp

@@ -532,12 +532,22 @@ void TaskView::slotDeletedDocument()
 
 void TaskView::slotUndoDocument(const App::Document&)
 {
+    if (ActiveDialog && ActiveDialog->isAutoCloseOnTransactionChange()) {
+        ActiveDialog->autoClosedOnTransactionChange();
+        removeDialog();
+    }
+
     if (!ActiveDialog)
         updateWatcher();
 }
 
 void TaskView::slotRedoDocument(const App::Document&)
 {
+    if (ActiveDialog && ActiveDialog->isAutoCloseOnTransactionChange()) {
+        ActiveDialog->autoClosedOnTransactionChange();
+        removeDialog();
+    }
+
     if (!ActiveDialog)
         updateWatcher();
 }