Fix Valentina app crash after canceling a tool.

ChangeLog.txt

@@ -5,6 +5,7 @@
 - Improved curve segment warnings.
 - Tape app. Add action Add separator to menu.
 - Tape app. Fix crash after switching language.
+- Fix Valentina app crash after canceling a tool.
 
 # Valentina 0.7.51 April 18, 2022
 - Z value change for a layout piece.

src/libs/vtools/dialogs/tools/dialogalongline.cpp

@@ -182,6 +182,9 @@ void DialogAlongLine::DeployFormulaTextEdit()
 //---------------------------------------------------------------------------------------------------------------------
 DialogAlongLine::~DialogAlongLine()
 {
+    auto *locData = const_cast<VContainer *> (data);
+    locData->RemoveVariable(currentLength);
+
     delete ui;
 }
 
@@ -283,7 +286,7 @@ void DialogAlongLine::SetCurrentLength()
     SCASSERT(length != nullptr)
     length->SetName(currentLength);
 
-    VContainer *locData = const_cast<VContainer *> (data);
+    auto *locData = const_cast<VContainer *> (data);
     locData->AddVariable(length);
 }
 

src/libs/vtools/dialogs/tools/dialogcutarc.cpp

@@ -147,6 +147,9 @@ void DialogCutArc::DeployFormulaTextEdit()
 //---------------------------------------------------------------------------------------------------------------------
 DialogCutArc::~DialogCutArc()
 {
+    auto *locData = const_cast<VContainer *> (data);
+    locData->RemoveVariable(currentLength);
+
     delete ui;
 }
 

src/libs/vtools/dialogs/tools/dialogcutspline.cpp

@@ -106,6 +106,9 @@ DialogCutSpline::DialogCutSpline(const VContainer *data, quint32 toolId, QWidget
 //---------------------------------------------------------------------------------------------------------------------
 DialogCutSpline::~DialogCutSpline()
 {
+    auto *locData = const_cast<VContainer *> (data);
+    locData->RemoveVariable(currentLength);
+
     delete ui;
 }
 

src/libs/vtools/dialogs/tools/dialogcutsplinepath.cpp

@@ -106,6 +106,9 @@ DialogCutSplinePath::DialogCutSplinePath(const VContainer *data, quint32 toolId,
 //---------------------------------------------------------------------------------------------------------------------
 DialogCutSplinePath::~DialogCutSplinePath()
 {
+    auto *locData = const_cast<VContainer *> (data);
+    locData->RemoveVariable(currentLength);
+
     delete ui;
 }