Core: Hide FilePropertiesDialog in .cpp

And de-Q_OBJECT-ify and use dialogParent().

Task-number: QTCREATORBUG-26870
Change-Id: Icca49cfc203a902fd1479026b12fb2ae74c0cc30
Reviewed-by: Jarek Kobus <jaroslaw.kobus@qt.io>

src/plugins/coreplugin/dialogs/filepropertiesdialog.cpp

@@ -8,14 +8,15 @@
 
 #include <utils/algorithm.h>
 #include <utils/fileutils.h>
+#include <utils/guiutils.h>
 #include <utils/layoutbuilder.h>
 #include <utils/mimeutils.h>
 
 #include <QCheckBox>
 #include <QDateTime>
 #include <QDebug>
+#include <QDialog>
 #include <QDialogButtonBox>
-#include <QDir>
 #include <QFileInfo>
 #include <QLabel>
 #include <QLocale>
@@ -24,8 +25,36 @@ using namespace Utils;
 
 namespace Core {
 
-FilePropertiesDialog::FilePropertiesDialog(const FilePath &filePath, QWidget *parent)
-    : QDialog(parent)
+class FilePropertiesDialog final : public QDialog
+{
+public:
+    explicit FilePropertiesDialog(const FilePath &filePath);
+
+private:
+    void refresh();
+    void setPermission(QFile::Permissions newPermissions, bool set);
+    void detectTextFileSettings();
+
+    QLabel *m_name;
+    QLabel *m_path;
+    QLabel *m_mimeType;
+    QLabel *m_defaultEditor;
+    QLabel *m_lineEndings;
+    QLabel *m_indentation;
+    QLabel *m_owner;
+    QLabel *m_group;
+    QLabel *m_size;
+    QLabel *m_lastRead;
+    QLabel *m_lastModified;
+    QCheckBox *m_readable;
+    QCheckBox *m_writable;
+    QCheckBox *m_executable;
+    QCheckBox *m_symLink;
+    const FilePath m_filePath;
+};
+
+FilePropertiesDialog::FilePropertiesDialog(const FilePath &filePath)
+    : QDialog(dialogParent())
     , m_name(new QLabel)
     , m_path(new QLabel)
     , m_mimeType(new QLabel)
@@ -101,8 +130,6 @@ FilePropertiesDialog::FilePropertiesDialog(const FilePath &filePath, QWidget *pa
     refresh();
 }
 
-FilePropertiesDialog::~FilePropertiesDialog() = default;
-
 void FilePropertiesDialog::detectTextFileSettings()
 {
     const Result<QByteArray> res = m_filePath.fileContents(/*maxsize*/ 50000);
@@ -228,4 +255,10 @@ void FilePropertiesDialog::setPermission(QFile::Permissions newPermissions, bool
     refresh();
 }
 
+void executeFilePropertiesDialog(const FilePath &filePath)
+{
+    FilePropertiesDialog dialog(filePath);
+    dialog.exec();
+}
+
 } // Core

src/plugins/coreplugin/dialogs/filepropertiesdialog.h

@@ -3,47 +3,12 @@
 
 #pragma once
 
-#include <utils/filepath.h>
+#include "core_global.h"
 
-#include <QDialog>
-
-QT_BEGIN_NAMESPACE
-class QLabel;
-class QCheckBox;
-QT_END_NAMESPACE
+namespace Utils { class FilePath; }
 
 namespace Core {
 
-class FilePropertiesDialog : public QDialog
-{
-    Q_OBJECT
-
-public:
-    explicit FilePropertiesDialog(const Utils::FilePath &filePath, QWidget *parent = nullptr);
-    ~FilePropertiesDialog() override;
-
-private:
-    void refresh();
-    void setPermission(QFile::Permissions newPermissions, bool set);
-    void detectTextFileSettings();
-
-private:
-    QLabel *m_name;
-    QLabel *m_path;
-    QLabel *m_mimeType;
-    QLabel *m_defaultEditor;
-    QLabel *m_lineEndings;
-    QLabel *m_indentation;
-    QLabel *m_owner;
-    QLabel *m_group;
-    QLabel *m_size;
-    QLabel *m_lastRead;
-    QLabel *m_lastModified;
-    QCheckBox *m_readable;
-    QCheckBox *m_writable;
-    QCheckBox *m_executable;
-    QCheckBox *m_symLink;
-    const Utils::FilePath m_filePath;
-};
+CORE_EXPORT void executeFilePropertiesDialog(const Utils::FilePath &filePath);
 
 } // Core

src/plugins/coreplugin/documentmanager.cpp

@@ -1018,8 +1018,7 @@ bool DocumentManager::saveModifiedDocument(IDocument *document, const QString &m
 
 void DocumentManager::showFilePropertiesDialog(const FilePath &filePath)
 {
-    FilePropertiesDialog properties(filePath);
-    properties.exec();
+    Core::executeFilePropertiesDialog(filePath);
 }
 
 /*!