Allow to set placeholder for FileSystemPathEdit

src/gui/fspathedit.cpp

@@ -247,6 +247,18 @@ void FileSystemPathEdit::setFileNameFilter(const QString &val)
 #endif
 }
 
+QString FileSystemPathEdit::placeholder() const
+{
+    Q_D(const FileSystemPathEdit);
+    return d->m_editor->placeholder();
+}
+
+void FileSystemPathEdit::setPlaceholder(const QString &val)
+{
+    Q_D(FileSystemPathEdit);
+    d->m_editor->setPlaceholder(val);
+}
+
 bool FileSystemPathEdit::briefBrowseButtonCaption() const
 {
     Q_D(const FileSystemPathEdit);

src/gui/fspathedit.h

@@ -71,6 +71,9 @@ public:
     QString fileNameFilter() const;
     void setFileNameFilter(const QString &val);
 
+    QString placeholder() const;
+    void setPlaceholder(const QString &val);
+
     /// The browse button caption is "..." if true, and "Browse" otherwise
     bool briefBrowseButtonCaption() const;
     void setBriefBrowseButtonCaption(bool brief);

src/gui/fspathedit_p.cpp

@@ -240,6 +240,16 @@ void Private::FileLineEdit::setValidator(QValidator *validator)
     QLineEdit::setValidator(validator);
 }
 
+QString Private::FileLineEdit::placeholder() const
+{
+    return placeholderText();
+}
+
+void Private::FileLineEdit::setPlaceholder(const QString &val)
+{
+    setPlaceholderText(val);
+}
+
 QWidget *Private::FileLineEdit::widget()
 {
     return this;
@@ -346,6 +356,16 @@ void Private::FileComboEdit::setValidator(QValidator *validator)
     lineEdit()->setValidator(validator);
 }
 
+QString Private::FileComboEdit::placeholder() const
+{
+    return lineEdit()->placeholderText();
+}
+
+void Private::FileComboEdit::setPlaceholder(const QString &val)
+{
+    lineEdit()->setPlaceholderText(val);
+}
+
 void Private::FileComboEdit::setFilenameFilters(const QStringList &filters)
 {
     static_cast<FileLineEdit *>(lineEdit())->setFilenameFilters(filters);

src/gui/fspathedit_p.h

@@ -105,6 +105,8 @@ namespace Private
         virtual void setFilenameFilters(const QStringList &filters) = 0;
         virtual void setBrowseAction(QAction *action) = 0;
         virtual void setValidator(QValidator *validator) = 0;
+        virtual QString placeholder() const = 0;
+        virtual void setPlaceholder(const QString &val) = 0;
         virtual QWidget *widget() = 0;
     };
 
@@ -121,6 +123,8 @@ namespace Private
         void setFilenameFilters(const QStringList &filters) override;
         void setBrowseAction(QAction *action) override;
         void setValidator(QValidator *validator) override;
+        QString placeholder() const override;
+        void setPlaceholder(const QString &val) override;
         QWidget *widget() override;
 
     protected:
@@ -149,6 +153,8 @@ namespace Private
         void setFilenameFilters(const QStringList &filters) override;
         void setBrowseAction(QAction *action) override;
         void setValidator(QValidator *validator) override;
+        QString placeholder() const override;
+        void setPlaceholder(const QString &val) override;
         QWidget *widget() override;
 
     protected: