From b0e41abf5a4a2b6abfe074e6d796edce38ec2acb Mon Sep 17 00:00:00 2001
From: "Vladimir Golovnev (Glassez)" <glassez@yandex.ru>
Date: Wed, 1 Dec 2021 17:35:21 +0300
Subject: [PATCH] Allow to set placeholder for FileSystemPathEdit

---
 src/gui/fspathedit.cpp   | 12 ++++++++++++
 src/gui/fspathedit.h     |  3 +++
 src/gui/fspathedit_p.cpp | 20 ++++++++++++++++++++
 src/gui/fspathedit_p.h   |  6 ++++++
 4 files changed, 41 insertions(+)

diff --git a/src/gui/fspathedit.cpp b/src/gui/fspathedit.cpp
index be8e15c16..9d36cb84c 100644
--- a/src/gui/fspathedit.cpp
+++ b/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);
diff --git a/src/gui/fspathedit.h b/src/gui/fspathedit.h
index d9f9d5e63..f6ba65cb7 100644
--- a/src/gui/fspathedit.h
+++ b/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);
diff --git a/src/gui/fspathedit_p.cpp b/src/gui/fspathedit_p.cpp
index f2c8c294a..5565d1cc2 100644
--- a/src/gui/fspathedit_p.cpp
+++ b/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);
diff --git a/src/gui/fspathedit_p.h b/src/gui/fspathedit_p.h
index 8f443b4d2..15b1305dd 100644
--- a/src/gui/fspathedit_p.h
+++ b/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: