Added ChecklistModel, ProgressModel, DatabaseWidget and FileselectionWidget

CMakeLists.txt

@@ -6,35 +6,45 @@ find_package(Qt5Widgets CONFIG REQUIRED)
 find_package(Qt5LinguistTools CONFIG REQUIRED)
 
 set(HEADERS
-    canvaswidget.h
     dbguilib_global.h
     editorfactory.h
-    ledindicator.h
-    limitedspinbox.h
-    matrix4x4widget.h
-    quaternionwidget.h
-    stringlistwidget.h
-    urlwidget.h
-    vector2dwidget.h
-    vector3dwidget.h
-    vector4dwidget.h
+    models/checklistmodel.h
+    models/progressmodel.h
+    widgets/canvaswidget.h
+    widgets/databasewidget.h
+    widgets/fileselectionwidget.h
+    widgets/ledindicator.h
+    widgets/limitedspinbox.h
+    widgets/matrix4x4widget.h
+    widgets/quaternionwidget.h
+    widgets/stringlistwidget.h
+    widgets/urlwidget.h
+    widgets/vector2dwidget.h
+    widgets/vector3dwidget.h
+    widgets/vector4dwidget.h
 )
 
 set(SOURCES
-    canvaswidget.cpp
     editorfactory.cpp
-    ledindicator.cpp
-    matrix4x4widget.cpp
-    quaternionwidget.cpp
-    stringlistwidget.cpp
-    urlwidget.cpp
-    vector2dwidget.cpp
-    vector3dwidget.cpp
-    vector4dwidget.cpp
+    models/checklistmodel.cpp
+    models/progressmodel.cpp
+    widgets/canvaswidget.cpp
+    widgets/databasewidget.cpp
+    widgets/fileselectionwidget.cpp
+    widgets/ledindicator.cpp
+    widgets/matrix4x4widget.cpp
+    widgets/quaternionwidget.cpp
+    widgets/stringlistwidget.cpp
+    widgets/urlwidget.cpp
+    widgets/vector2dwidget.cpp
+    widgets/vector3dwidget.cpp
+    widgets/vector4dwidget.cpp
 )
 
 set(FORMS
-    qstringlistwidget.ui
+    widgets/databasewidget.ui
+    widgets/fileselectionwidget.ui
+    widgets/qstringlistwidget.ui
 )
 
 set(TRANSLATIONS

editorfactory.cpp

@@ -12,14 +12,14 @@
 
 #include <limits>
 
-#include "limitedspinbox.h"
-#include "stringlistwidget.h"
-#include "urlwidget.h"
-#include "matrix4x4widget.h"
-#include "vector2dwidget.h"
-#include "vector3dwidget.h"
-#include "vector4dwidget.h"
-#include "quaternionwidget.h"
+#include "widgets/limitedspinbox.h"
+#include "widgets/stringlistwidget.h"
+#include "widgets/urlwidget.h"
+#include "widgets/matrix4x4widget.h"
+#include "widgets/vector2dwidget.h"
+#include "widgets/vector3dwidget.h"
+#include "widgets/vector4dwidget.h"
+#include "widgets/quaternionwidget.h"
 
 EditorFactory::EditorFactory() :
     QItemEditorFactory()

models/checklistmodel.cpp

@@ -0,0 +1,182 @@
+#include "checklistmodel.h"
+
+ChecklistModel::ChecklistModel(QObject *parent) :
+    QAbstractListModel(parent)
+{
+}
+
+ChecklistModel::ChecklistModel(const QStringList &items, QObject *parent) :
+    QAbstractListModel(parent)
+{
+    for (const auto &item : items)
+        m_items.append({ item, item, true });
+}
+
+ChecklistModel::ChecklistModel(const QList<ChecklistItem> &items, QObject *parent) :
+    QAbstractListModel(parent),
+    m_items(items)
+{
+}
+
+const QList<ChecklistModel::ChecklistItem> &ChecklistModel::items() const
+{
+    return m_items;
+}
+
+void ChecklistModel::setItems(const QList<ChecklistItem> &items)
+{
+    emit beginResetModel();
+
+    m_items = items;
+
+    emit endResetModel();
+}
+
+void ChecklistModel::setItems(const QStringList &items)
+{
+    emit beginResetModel();
+
+    m_items.clear();
+
+    for (const auto &item : items)
+        m_items.append({ item, item, true });
+
+    emit endResetModel();
+}
+
+QStringList ChecklistModel::itemTexts() const
+{
+    QStringList items;
+
+    for (const auto &item : m_items)
+        items.append(item.displayText);
+
+    return items;
+}
+
+QVariantList ChecklistModel::itemDatas() const
+{
+    QVariantList items;
+
+    for (const auto &item : m_items)
+        items.append(item.data);
+
+    return items;
+}
+
+QList<ChecklistModel::ChecklistItem> ChecklistModel::enabledItems() const
+{
+    QList<ChecklistModel::ChecklistItem> items;
+
+    for (const auto &item : m_items)
+        if (item.checked)
+            items.append(item);
+
+    return items;
+}
+
+QList<ChecklistModel::ChecklistItem> ChecklistModel::disabledItems() const
+{
+    QList<ChecklistModel::ChecklistItem> items;
+
+    for (const auto &item : m_items)
+        if (!item.checked)
+            items.append(item);
+
+    return items;
+}
+
+QStringList ChecklistModel::enabledTexts() const
+{
+    QStringList items;
+
+    for (const auto &item : m_items)
+        if (item.checked)
+            items.append(item.displayText);
+
+    return items;
+}
+
+QStringList ChecklistModel::disabledTexts() const
+{
+    QStringList items;
+
+    for (const auto &item : m_items)
+        if (!item.checked)
+            items.append(item.displayText);
+
+    return items;
+}
+
+QVariantList ChecklistModel::enabledItemDatas() const
+{
+    QVariantList items;
+
+    for (const auto &item : m_items)
+        if (item.checked)
+            items.append(item.data);
+
+    return items;
+}
+
+QVariantList ChecklistModel::disabledItemDatas() const
+{
+    QVariantList items;
+
+    for (const auto &item : m_items)
+        if (!item.checked)
+            items.append(item.data);
+
+    return items;
+}
+
+int ChecklistModel::rowCount(const QModelIndex &parent) const
+{
+    if (parent.isValid())
+        return 0;
+
+    return m_items.count();
+}
+
+QVariant ChecklistModel::data(const QModelIndex &index, int role) const
+{
+    if (index.row() < 0 || index.row() >= m_items.size())
+        return {};
+
+    const auto &item = m_items.at(index.row());
+
+    switch (role)
+    {
+    case Qt::DisplayRole: return item.displayText;
+    case Qt::EditRole: return item.data;
+    case Qt::CheckStateRole: return item.checked ? Qt::Checked : Qt::Unchecked;
+    }
+
+    return QVariant();
+}
+
+bool ChecklistModel::setData(const QModelIndex &index, const QVariant &value, int role)
+{
+    if (index.row() < 0 || index.row() >= m_items.size())
+        return false;
+
+    auto &item = m_items[index.row()];
+
+    switch (role)
+    {
+    case Qt::CheckStateRole:
+        item.checked = value.toBool();
+        emit dataChanged(index, index, { Qt::CheckStateRole });
+        return true;
+    }
+
+    return false;
+}
+
+Qt::ItemFlags ChecklistModel::flags(const QModelIndex &index) const
+{
+    if (!index.isValid())
+        return QAbstractListModel::flags(index);
+
+    return QAbstractListModel::flags(index) | Qt::ItemIsUserCheckable;
+}

models/checklistmodel.h

@@ -0,0 +1,42 @@
+#pragma once
+
+#include <QAbstractListModel>
+#include <QList>
+
+class Q_CORE_EXPORT ChecklistModel : public QAbstractListModel
+{
+    Q_OBJECT
+
+public:
+    struct ChecklistItem
+    {
+        QString displayText;
+        QVariant data;
+        bool checked;
+    };
+
+    explicit ChecklistModel(QObject *parent = nullptr);
+    explicit ChecklistModel(const QStringList &items, QObject *parent = nullptr);
+    explicit ChecklistModel(const QList<ChecklistItem> &strings, QObject *parent = nullptr);
+
+    const QList<ChecklistItem> &items() const;
+    void setItems(const QList<ChecklistItem> &items);
+    void setItems(const QStringList &items);
+
+    QStringList itemTexts() const;
+    QVariantList itemDatas() const;
+    QList<ChecklistItem> enabledItems() const;
+    QList<ChecklistItem> disabledItems() const;
+    QStringList enabledTexts() const;
+    QStringList disabledTexts() const;
+    QVariantList enabledItemDatas() const;
+    QVariantList disabledItemDatas() const;
+
+    int rowCount(const QModelIndex &parent = QModelIndex()) const override;
+    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
+    bool setData(const QModelIndex &index, const QVariant &value, int role) override;
+    Qt::ItemFlags flags(const QModelIndex &index) const override;
+
+private:
+    QList<ChecklistItem>  m_items;
+};

models/progressmodel.cpp

@@ -0,0 +1,148 @@
+#include "progressmodel.h"
+
+#include <QImage>
+
+#include <algorithm>
+
+ProgressModel::ProgressModel(QObject *parent) :
+    QAbstractListModel(parent)
+{
+    connect(&m_movieLoading, &QMovie::frameChanged, this, &ProgressModel::frameChanged);
+}
+
+ProgressModel::ProgressModel(const QStringList &items, QObject *parent) :
+    QAbstractListModel(parent)
+{
+    connect(&m_movieLoading, &QMovie::frameChanged, this, &ProgressModel::frameChanged);
+
+    m_items.reserve(items.count());
+    for (const auto &item : items)
+        m_items.append({ item, Item::Status::None });
+}
+
+ProgressModel::ProgressModel(const QVector<ProgressModel::Item> &items, QObject *parent) :
+    QAbstractListModel(parent),
+    m_items(items)
+{
+    connect(&m_movieLoading, &QMovie::frameChanged, this, &ProgressModel::frameChanged);
+
+    if (anyLoading())
+        m_movieLoading.start();
+}
+
+const QVector<ProgressModel::Item> &ProgressModel::items() const
+{
+    return m_items;
+}
+
+void ProgressModel::setItems(const QStringList &items)
+{
+    emit beginResetModel();
+    m_items.clear();
+    m_items.reserve(items.count());
+    for (const auto &item : items)
+        m_items.append({ item, Item::Status::None });
+    emit endResetModel();
+
+    m_movieLoading.stop();
+}
+
+void ProgressModel::setItems(const QVector<ProgressModel::Item> &items)
+{
+    emit beginResetModel();
+    m_items = items;
+    emit endResetModel();
+
+    updateMovieStatus();
+}
+
+void ProgressModel::setText(int row, const QString &text)
+{
+    m_items[row].text = text;
+
+    const auto index = createIndex(row, 0);
+    emit dataChanged(index, index, { Qt::DisplayRole, Qt::EditRole });
+}
+
+void ProgressModel::setStatus(int row, ProgressModel::Item::Status status)
+{
+    m_items[row].status = status;
+
+    const auto index = createIndex(row, 0);
+    emit dataChanged(index, index, { Qt::DecorationRole });
+
+    if (status == Item::Status::Loading)
+        m_movieLoading.start();
+    else
+        updateMovieStatus();
+}
+
+void ProgressModel::clearItems()
+{
+    emit beginResetModel();
+    m_items.clear();
+    emit endResetModel();
+
+    m_movieLoading.stop();
+}
+
+int ProgressModel::rowCount(const QModelIndex &parent) const
+{
+    if (parent.isValid())
+        return 0;
+
+    return m_items.count();
+}
+
+QVariant ProgressModel::data(const QModelIndex &index, int role) const
+{
+    if (index.row() < 0 || index.row() >= m_items.size())
+        return {};
+
+    const auto &item = m_items.at(index.row());
+
+    switch (role) {
+    case Qt::DisplayRole:
+    case Qt::EditRole:
+        return item.text;
+    case Qt::DecorationRole:
+        switch (item.status)
+        {
+        case Item::Status::None:
+            return m_pixmapEmpty;
+        case Item::Status::Loading:
+            return m_movieLoading.currentPixmap();
+        case Item::Status::Succeeded:
+            return m_pixmapSucceeded;
+        case Item::Status::Failed:
+            return m_pixmapFailed;
+        }
+    }
+
+    return {};
+}
+
+void ProgressModel::frameChanged()
+{
+    for (auto iter = m_items.constBegin(); iter != m_items.constEnd(); iter++)
+    {
+        if (iter->status == Item::Status::Loading)
+        {
+            const auto index = createIndex(std::distance(m_items.constBegin(), iter), 0);
+            emit dataChanged(index, index, { Qt::DecorationRole });
+        }
+    }
+}
+
+bool ProgressModel::anyLoading() const
+{
+    return std::any_of(m_items.constBegin(), m_items.constEnd(), [](const auto &item){ return item.status == Item::Status::Loading; });
+}
+
+void ProgressModel::updateMovieStatus()
+{
+    if (anyLoading())
+        m_movieLoading.start();
+    else
+        m_movieLoading.stop();
+}

models/progressmodel.h

@@ -0,0 +1,59 @@
+#pragma once
+
+#include <QAbstractListModel>
+#include <QPixmap>
+#include <QMovie>
+
+class ProgressModel : public QAbstractListModel
+{
+    Q_OBJECT
+
+public:
+    struct Item
+    {
+        enum class Status
+        {
+            None,
+            Loading,
+            Succeeded,
+            Failed
+        };
+
+        QString text;
+        Status status;
+    };
+
+    explicit ProgressModel(QObject *parent = nullptr);
+    ProgressModel(const QStringList &items, QObject *parent = nullptr);
+    ProgressModel(const QVector<Item> &items, QObject *parent = nullptr);
+
+    const QVector<Item> &items() const;
+    void setItems(const QStringList &items);
+    void setItems(const QVector<Item> &items);
+
+    void setText(int row, const QString &text);
+    void setStatus(int row, Item::Status status);
+
+    void clearItems();
+
+    int rowCount(const QModelIndex &parent) const override;
+    QVariant data(const QModelIndex &index, int role) const override;
+
+private slots:
+    void frameChanged();
+
+private:
+    bool anyLoading() const;
+    void updateMovieStatus();
+
+    QVector<Item> m_items;
+
+    const QPixmap m_pixmapSucceeded { ":/loganalyzer/icons/succeeded.png" };
+    const QPixmap m_pixmapFailed { ":/loganalyzer/icons/failed.png" };
+    const QPixmap m_pixmapEmpty { [this](){
+        QPixmap pixmap(m_pixmapSucceeded.size());
+        pixmap.fill();
+        return pixmap;
+    }() };
+    QMovie m_movieLoading { ":/loganalyzer/icons/loading.gif" };
+};

translations/dbguilib_de.ts

@@ -1,6 +1,48 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!DOCTYPE TS>
 <TS version="2.1" language="de_DE">
+<context>
+    <name>DatabaseWidget</name>
+    <message>
+        <source>Form</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>&lt;b&gt;Hostname:&lt;/b&gt;</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>&lt;b&gt;Username:&lt;/b&gt;</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>&lt;b&gt;Password:&lt;/b&gt;</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>&lt;b&gt;Database:&lt;/b&gt;</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>SQLite</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>MySQL</source>
+        <translation type="unfinished"></translation>
+    </message>
+</context>
+<context>
+    <name>FileSelectionWidget</name>
+    <message>
+        <source>Form</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>Select...</source>
+        <translation type="unfinished"></translation>
+    </message>
+</context>
 <context>
     <name>QStringListWidget</name>
     <message>

translations/dbguilib_en.ts

@@ -1,6 +1,48 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!DOCTYPE TS>
 <TS version="2.1" language="en_US">
+<context>
+    <name>DatabaseWidget</name>
+    <message>
+        <source>Form</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>&lt;b&gt;Hostname:&lt;/b&gt;</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>&lt;b&gt;Username:&lt;/b&gt;</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>&lt;b&gt;Password:&lt;/b&gt;</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>&lt;b&gt;Database:&lt;/b&gt;</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>SQLite</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>MySQL</source>
+        <translation type="unfinished"></translation>
+    </message>
+</context>
+<context>
+    <name>FileSelectionWidget</name>
+    <message>
+        <source>Form</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>Select...</source>
+        <translation type="unfinished"></translation>
+    </message>
+</context>
 <context>
     <name>QStringListWidget</name>
     <message>

widgets/databasewidget.cpp

@@ -0,0 +1,88 @@
+#include "databasewidget.h"
+#include "ui_databasewidget.h"
+
+DatabaseWidget::DatabaseWidget(QWidget *parent) :
+    QWidget(parent),
+    m_ui(std::make_unique<Ui::DatabaseWidget>())
+{
+    m_ui->setupUi(this);
+
+    m_ui->comboBox->addItem(tr("SQLite"), "QSQLITE");
+    m_ui->comboBox->addItem(tr("MySQL"), "QMYSQL");
+
+    // for debugging
+    setDriver("QMYSQL");
+    setMysqlHostname("sql7.freemysqlhosting.net");
+    setMysqlUsername("sql7285815");
+    setMysqlPassword("BKhysrtqKl");
+    setMysqlDatabase("sql7285815");
+
+//    setMysqlHostname("brunner.ninja");
+
+//    setMysqlHostname("localhost");
+//    setMysqlUsername("logtest");
+//    setMysqlPassword("logtest");
+//    setMysqlDatabase("logtest");
+}
+
+DatabaseWidget::~DatabaseWidget() = default;
+
+QString DatabaseWidget::driver() const
+{
+    return m_ui->comboBox->currentData().toString();
+}
+
+void DatabaseWidget::setDriver(const QString &driver)
+{
+    m_ui->comboBox->setCurrentIndex(m_ui->comboBox->findData(driver));
+}
+
+QString DatabaseWidget::sqliteFilepath() const
+{
+    return m_ui->fileSelectionWidget->path();
+}
+
+void DatabaseWidget::setSqliteFilepath(const QString &sqliteFilepath)
+{
+    m_ui->fileSelectionWidget->setPath(sqliteFilepath);
+}
+
+QString DatabaseWidget::mysqlHostname() const
+{
+    return m_ui->lineEditHostname->text();
+}
+
+void DatabaseWidget::setMysqlHostname(const QString &mysqlHostname)
+{
+    m_ui->lineEditHostname->setText(mysqlHostname);
+}
+
+QString DatabaseWidget::mysqlUsername() const
+{
+    return m_ui->lineEditUsername->text();
+}
+
+void DatabaseWidget::setMysqlUsername(const QString &mysqlUsername)
+{
+    m_ui->lineEditUsername->setText(mysqlUsername);
+}
+
+QString DatabaseWidget::mysqlPassword() const
+{
+    return m_ui->lineEditPassword->text();
+}
+
+void DatabaseWidget::setMysqlPassword(const QString &mysqlPassword)
+{
+    m_ui->lineEditPassword->setText(mysqlPassword);
+}
+
+QString DatabaseWidget::mysqlDatabase() const
+{
+    return m_ui->lineEditDatabase->text();
+}
+
+void DatabaseWidget::setMysqlDatabase(const QString &mysqlDatabase)
+{
+    m_ui->lineEditDatabase->setText(mysqlDatabase);
+}

widgets/databasewidget.h

@@ -0,0 +1,37 @@
+#pragma once
+
+#include <QWidget>
+
+#include <memory>
+
+namespace Ui { class DatabaseWidget; }
+
+class DatabaseWidget : public QWidget
+{
+    Q_OBJECT
+
+public:
+    explicit DatabaseWidget(QWidget *parent = nullptr);
+    ~DatabaseWidget() override;
+
+    QString driver() const;
+    void setDriver(const QString &driver);
+
+    QString sqliteFilepath() const;
+    void setSqliteFilepath(const QString &sqliteFilepath);
+
+    QString mysqlHostname() const;
+    void setMysqlHostname(const QString &mysqlHostname);
+
+    QString mysqlUsername() const;
+    void setMysqlUsername(const QString &mysqlUsername);
+
+    QString mysqlPassword() const;
+    void setMysqlPassword(const QString &mysqlPassword);
+
+    QString mysqlDatabase() const;
+    void setMysqlDatabase(const QString &mysqlDatabase);
+
+private:
+    const std::unique_ptr<Ui::DatabaseWidget> m_ui;
+};

widgets/databasewidget.ui

@@ -0,0 +1,167 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>DatabaseWidget</class>
+ <widget class="QWidget" name="DatabaseWidget">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>400</width>
+    <height>175</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Form</string>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout" stretch="0,1">
+   <item>
+    <widget class="QComboBox" name="comboBox"/>
+   </item>
+   <item>
+    <widget class="QStackedWidget" name="stackedWidget">
+     <property name="currentIndex">
+      <number>1</number>
+     </property>
+     <widget class="QWidget" name="page">
+      <layout class="QVBoxLayout" name="verticalLayout_2" stretch="0,1">
+       <property name="leftMargin">
+        <number>0</number>
+       </property>
+       <property name="topMargin">
+        <number>0</number>
+       </property>
+       <property name="rightMargin">
+        <number>0</number>
+       </property>
+       <property name="bottomMargin">
+        <number>0</number>
+       </property>
+       <item>
+        <widget class="FileSelectionWidget" name="fileSelectionWidget" native="true"/>
+       </item>
+       <item>
+        <spacer name="verticalSpacer">
+         <property name="orientation">
+          <enum>Qt::Vertical</enum>
+         </property>
+         <property name="sizeHint" stdset="0">
+          <size>
+           <width>20</width>
+           <height>40</height>
+          </size>
+         </property>
+        </spacer>
+       </item>
+      </layout>
+     </widget>
+     <widget class="QWidget" name="page_2">
+      <layout class="QFormLayout" name="formLayout">
+       <property name="leftMargin">
+        <number>0</number>
+       </property>
+       <property name="topMargin">
+        <number>0</number>
+       </property>
+       <property name="rightMargin">
+        <number>0</number>
+       </property>
+       <property name="bottomMargin">
+        <number>0</number>
+       </property>
+       <item row="1" column="1">
+        <widget class="QLineEdit" name="lineEditUsername"/>
+       </item>
+       <item row="0" column="1">
+        <widget class="QLineEdit" name="lineEditHostname"/>
+       </item>
+       <item row="0" column="0">
+        <widget class="QLabel" name="labelHostname">
+         <property name="text">
+          <string>&lt;b&gt;Hostname:&lt;/b&gt;</string>
+         </property>
+         <property name="buddy">
+          <cstring>lineEditHostname</cstring>
+         </property>
+        </widget>
+       </item>
+       <item row="1" column="0">
+        <widget class="QLabel" name="labelUsername">
+         <property name="text">
+          <string>&lt;b&gt;Username:&lt;/b&gt;</string>
+         </property>
+         <property name="buddy">
+          <cstring>lineEditUsername</cstring>
+         </property>
+        </widget>
+       </item>
+       <item row="2" column="0">
+        <widget class="QLabel" name="labelPassword">
+         <property name="text">
+          <string>&lt;b&gt;Password:&lt;/b&gt;</string>
+         </property>
+         <property name="buddy">
+          <cstring>lineEditPassword</cstring>
+         </property>
+        </widget>
+       </item>
+       <item row="3" column="0">
+        <widget class="QLabel" name="labelDatabase">
+         <property name="text">
+          <string>&lt;b&gt;Database:&lt;/b&gt;</string>
+         </property>
+         <property name="buddy">
+          <cstring>lineEditDatabase</cstring>
+         </property>
+        </widget>
+       </item>
+       <item row="2" column="1">
+        <widget class="QLineEdit" name="lineEditPassword">
+         <property name="echoMode">
+          <enum>QLineEdit::Password</enum>
+         </property>
+        </widget>
+       </item>
+       <item row="3" column="1">
+        <widget class="QLineEdit" name="lineEditDatabase"/>
+       </item>
+      </layout>
+     </widget>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <customwidgets>
+  <customwidget>
+   <class>FileSelectionWidget</class>
+   <extends>QWidget</extends>
+   <header>widgets/fileselectionwidget.h</header>
+   <container>1</container>
+  </customwidget>
+ </customwidgets>
+ <tabstops>
+  <tabstop>comboBox</tabstop>
+  <tabstop>lineEditHostname</tabstop>
+  <tabstop>lineEditUsername</tabstop>
+  <tabstop>lineEditPassword</tabstop>
+  <tabstop>lineEditDatabase</tabstop>
+ </tabstops>
+ <resources/>
+ <connections>
+  <connection>
+   <sender>comboBox</sender>
+   <signal>currentIndexChanged(int)</signal>
+   <receiver>stackedWidget</receiver>
+   <slot>setCurrentIndex(int)</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>199</x>
+     <y>20</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>199</x>
+     <y>101</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+</ui>

widgets/fileselectionwidget.cpp

@@ -0,0 +1,75 @@
+#include "fileselectionwidget.h"
+#include "ui_fileselectionwidget.h"
+
+#include <QFileDialog>
+
+FileSelectionWidget::FileSelectionWidget(QWidget *parent) :
+    QWidget(parent),
+    m_ui(std::make_unique<Ui::FileSelectionWidget>()),
+    m_mode(Mode::OpenFile)
+{
+    m_ui->setupUi(this);
+
+    connect(m_ui->lineEdit, &QLineEdit::textChanged, this, &FileSelectionWidget::pathChanged);
+    connect(m_ui->pushButton, &QAbstractButton::pressed, this, &FileSelectionWidget::selectPath);
+}
+
+FileSelectionWidget::FileSelectionWidget(const Mode mode, QWidget *parent) :
+    QWidget(parent),
+    m_ui(std::make_unique<Ui::FileSelectionWidget>()),
+    m_mode(mode)
+{
+    m_ui->setupUi(this);
+
+    connect(m_ui->lineEdit, &QLineEdit::textChanged, this, &FileSelectionWidget::pathChanged);
+    connect(m_ui->pushButton, &QAbstractButton::pressed, this, &FileSelectionWidget::selectPath);
+}
+
+FileSelectionWidget::FileSelectionWidget(const Mode mode, const QString &path, QWidget *parent) :
+    QWidget(parent),
+    m_ui(std::make_unique<Ui::FileSelectionWidget>()),
+    m_mode(mode)
+{
+    m_ui->setupUi(this);
+
+    m_ui->lineEdit->setText(path);
+
+    connect(m_ui->lineEdit, &QLineEdit::textChanged, this, &FileSelectionWidget::pathChanged);
+    connect(m_ui->pushButton, &QAbstractButton::pressed, this, &FileSelectionWidget::selectPath);
+}
+
+FileSelectionWidget::~FileSelectionWidget() = default;
+
+FileSelectionWidget::Mode FileSelectionWidget::mode() const
+{
+    return m_mode;
+}
+
+void FileSelectionWidget::setMode(const FileSelectionWidget::Mode mode)
+{
+    m_mode = mode;
+}
+
+QString FileSelectionWidget::path() const
+{
+    return m_ui->lineEdit->text();
+}
+
+void FileSelectionWidget::setPath(const QString &path)
+{
+    m_ui->lineEdit->setText(path);
+}
+
+void FileSelectionWidget::selectPath()
+{
+    QString path;
+    switch (m_mode)
+    {
+    case Mode::OpenFile:          path = QFileDialog::getOpenFileName(this);      break;
+    case Mode::SaveFile:          path = QFileDialog::getSaveFileName(this);      break;
+    case Mode::ExistingDirectory: path = QFileDialog::getExistingDirectory(this); break;
+    }
+
+    if (!path.isEmpty())
+        m_ui->lineEdit->setText(path);
+}

widgets/fileselectionwidget.h

@@ -0,0 +1,39 @@
+#pragma once
+
+#include <QWidget>
+
+#include <memory>
+
+namespace Ui { class FileSelectionWidget; }
+
+class FileSelectionWidget : public QWidget
+{
+    Q_OBJECT
+    Q_PROPERTY(QString path READ path WRITE setPath NOTIFY pathChanged USER true)
+
+public:
+    enum class Mode {
+        OpenFile, SaveFile, ExistingDirectory
+    };
+
+    explicit FileSelectionWidget(QWidget *parent = nullptr);
+    FileSelectionWidget(const Mode mode, QWidget *parent = nullptr);
+    FileSelectionWidget(const Mode mode, const QString &path, QWidget *parent = nullptr);
+    ~FileSelectionWidget() override;
+
+    Mode mode() const;
+    void setMode(const Mode mode);
+
+    QString path() const;
+    void setPath(const QString &path);
+
+signals:
+    void pathChanged(const QString &path);
+
+private slots:
+    void selectPath();
+
+private:
+    const std::unique_ptr<Ui::FileSelectionWidget> m_ui;
+    Mode m_mode;
+};

widgets/fileselectionwidget.ui

@@ -0,0 +1,43 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>FileSelectionWidget</class>
+ <widget class="QWidget" name="FileSelectionWidget">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>400</width>
+    <height>41</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Form</string>
+  </property>
+  <layout class="QHBoxLayout" name="horizontalLayout" stretch="1,0">
+   <property name="leftMargin">
+    <number>0</number>
+   </property>
+   <property name="topMargin">
+    <number>0</number>
+   </property>
+   <property name="rightMargin">
+    <number>0</number>
+   </property>
+   <property name="bottomMargin">
+    <number>0</number>
+   </property>
+   <item>
+    <widget class="QLineEdit" name="lineEdit"/>
+   </item>
+   <item>
+    <widget class="QPushButton" name="pushButton">
+     <property name="text">
+      <string>Select...</string>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>