refactor: use ui file to replace manual layout in metadata dialog

app/aboutdialog.cpp

@@ -18,7 +18,7 @@ static QString loadEmbeddedHtml(QString&& path) {
 }
 
 AboutDialog::AboutDialog(QWidget *parent)
-    : QDialog(parent), ui(new Ui::AboutDialog)
+    : QDialog(parent), ui(new QT_PREPEND_NAMESPACE(Ui::AboutDialog))
 {
     ui->setupUi(this);
     setWindowFlag(Qt::WindowContextHelpButtonHint, false);

app/aboutdialog.h

@@ -7,7 +7,6 @@
 
 #include <QDialog>
 
-
 QT_BEGIN_NAMESPACE
 namespace Ui {
 class AboutDialog;

app/metadatadialog.cpp

@@ -3,12 +3,12 @@
 // SPDX-License-Identifier: MIT
 
 #include "metadatadialog.h"
+#include "ui_metadatadialog.h"
 
 #include <QDialogButtonBox>
 #include <QPainter>
 #include <QStyledItemDelegate>
 #include <QTreeView>
-#include <QVBoxLayout>
 #include <QHeaderView>
 
 #include "metadatamodel.h"
@@ -73,30 +73,33 @@ protected:
 };
 
 MetadataDialog::MetadataDialog(QWidget *parent)
-    : QDialog(parent)
-    , m_treeView(new PropertyTreeView(this))
+    : QDialog(parent), ui(new QT_PREPEND_NAMESPACE(Ui::MetadataDialog))
 {
+    ui->setupUi(this);
+    setWindowFlag(Qt::WindowContextHelpButtonHint, false);
+
+    // YYC MARK:
+    // Because we use custom QTreeView and we do not want to expose it to public domain.
+    // So I have to use this way as the compromise.
+
+    // Create our custom QTreeView and insert them
+    m_treeView = new PropertyTreeView(this);
+    auto* layout = ui->verticalLayout;
+    const int index = layout->indexOf(ui->m_buttonBox);
+    layout->insertWidget(index, m_treeView);
+
+    // Setup our custom QTreeView
     m_treeView->setRootIsDecorated(false);
     m_treeView->setIndentation(0);
     m_treeView->setItemDelegate(new PropertyTreeItemDelegate(m_treeView));
     m_treeView->header()->resizeSection(0, sizeHint().width() / 2);
 
-    setWindowTitle(tr("Image Metadata"));
-
-    QDialogButtonBox * buttonBox = new QDialogButtonBox(QDialogButtonBox::Close);
-
-    setLayout(new QVBoxLayout);
-    layout()->addWidget(m_treeView);
-    layout()->addWidget(buttonBox);
-
-    connect(buttonBox, &QDialogButtonBox::rejected, this, &QDialog::close);
-
-    setWindowFlag(Qt::WindowContextHelpButtonHint, false);
+    connect(ui->m_buttonBox, &QDialogButtonBox::rejected, this, &QDialog::close);
 }
 
 MetadataDialog::~MetadataDialog()
 {
-
+    delete ui;
 }
 
 void MetadataDialog::setMetadataModel(MetadataModel * model)

app/metadatadialog.h

@@ -11,6 +11,12 @@ QT_BEGIN_NAMESPACE
 class QTreeView;
 QT_END_NAMESPACE
 
+QT_BEGIN_NAMESPACE
+namespace Ui {
+class MetadataDialog;
+}
+QT_END_NAMESPACE
+
 class MetadataModel;
 class MetadataDialog : public QDialog
 {
@@ -25,6 +31,7 @@ public:
 
 private:
     QTreeView * m_treeView = nullptr;
+    QT_PREPEND_NAMESPACE(Ui::MetadataDialog) *ui;
 };
 
 #endif // METADATADIALOG_H

app/metadatadialog.ui

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>MetadataDialog</class>
+ <widget class="QDialog" name="MetadataDialog">
+  <property name="windowModality">
+   <enum>Qt::NonModal</enum>
+  </property>
+  <property name="windowTitle">
+   <string>Image Metadata</string>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <item>
+    <widget class="QDialogButtonBox" name="m_buttonBox">
+     <property name="standardButtons">
+      <set>QDialogButtonBox::Close</set>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

app/settingsdialog.cpp

@@ -83,7 +83,7 @@ static EnumComboBoxTransformer<Qt::HighDpiScaleFactorRoundingPolicy, QString> HI
 };
 
 SettingsDialog::SettingsDialog(QWidget *parent)
-    : QDialog(parent), ui(new Ui::SettingsDialog)
+    : QDialog(parent), ui(new QT_PREPEND_NAMESPACE(Ui::SettingsDialog))
 {
     ui->setupUi(this);
     setWindowFlag(Qt::WindowContextHelpButtonHint, false);