PathChooser: Move setTextKeepingActiveCursor() to FancyLineEdit

We want to re-use it elsewhere.

Change-Id: Iadb03e2e85bc25f9111a8817170b9ec1f2f0a7b1
Reviewed-by: Eike Ziller <eike.ziller@qt.io>

src/libs/utils/fancylineedit.cpp

@@ -27,6 +27,7 @@
 #include "fancylineedit.h"
 #include "historycompleter.h"
 #include "hostosinfo.h"
+#include "optional.h"
 #include "qtcassert.h"
 #include "stylehelper.h"
 #include "utilsicons.h"
@@ -175,6 +176,14 @@ FancyLineEdit::~FancyLineEdit()
     }
 }
 
+void FancyLineEdit::setTextKeepingActiveCursor(const QString &text)
+{
+    optional<int> cursor = hasFocus() ? make_optional(cursorPosition()) : nullopt;
+    setText(text);
+    if (cursor)
+        setCursorPosition(*cursor);
+}
+
 void FancyLineEdit::setButtonVisible(Side side, bool visible)
 {
     d->m_iconbutton[side]->setVisible(visible);

src/libs/utils/fancylineedit.h

@@ -82,6 +82,8 @@ public:
     explicit FancyLineEdit(QWidget *parent = nullptr);
     ~FancyLineEdit() override;
 
+    void setTextKeepingActiveCursor(const QString &text);
+
     QIcon buttonIcon(Side side) const;
     void setButtonIcon(Side side, const QIcon &icon);
 

src/libs/utils/pathchooser.cpp

@@ -26,7 +26,6 @@
 #include "pathchooser.h"
 
 #include "environment.h"
-#include "optional.h"
 #include "qtcassert.h"
 #include "macroexpander.h"
 
@@ -348,22 +347,14 @@ QString PathChooser::expandedDirectory(const QString &input, const Environment &
     return path;
 }
 
-void setTextKeepingActiveCursor(QLineEdit *edit, const QString &text)
-{
-    optional<int> cursor = edit->hasFocus() ? make_optional(edit->cursorPosition()) : nullopt;
-    edit->setText(text);
-    if (cursor)
-        edit->setCursorPosition(*cursor);
-}
-
 void PathChooser::setPath(const QString &path)
 {
-    setTextKeepingActiveCursor(d->m_lineEdit, QDir::toNativeSeparators(path));
+    d->m_lineEdit->setTextKeepingActiveCursor(QDir::toNativeSeparators(path));
 }
 
 void PathChooser::setFileName(const FileName &fn)
 {
-    setTextKeepingActiveCursor(d->m_lineEdit, fn.toUserOutput());
+    d->m_lineEdit->setTextKeepingActiveCursor(fn.toUserOutput());
 }
 
 void PathChooser::setErrorColor(const QColor &errorColor)