Implement a PDF Viewer Dialog

This is based on the example in pyside6 changed to use a QDialog and
not a QMainWindow.  The MenuBar is gone, the Status Bar is gone.

pdfView.py

@@ -1,31 +1,173 @@
-from PySide6.QtCore import QFile
-from PySide6.QtPdf import QPdfDocument
+import math
+
+from PySide6.QtCore import QFile, QModelIndex, QPoint, Signal, Slot
+from PySide6.QtPdf import QPdfBookmarkModel, QPdfDocument
 from PySide6.QtPdfWidgets import QPdfView
-from PySide6.QtWidgets import QDialog, QVBoxLayout, QWidget
+from PySide6.QtWidgets import QComboBox, QDialog, QMenuBar, QSpinBox, QWidget
+from ui.pdfViewer import Ui_pdfViewer
+
+ZOOM_MULTIPLIER = math.sqrt(2.0)
+
+class ZoomSelector(QComboBox):
+    zoom_mode_changed = Signal(QPdfView.ZoomMode)
+    zoom_factor_changed = Signal(float)
+    
+    def __init__(self, parent: QWidget|None = None) -> None:
+        super(ZoomSelector, self).__init__(parent)
+        self.setEditable(True)
+
+        for text in [ 'Fit Width', 'Fit Page', '12%', '25%', '33%', '50%', '66%', '75%', '100%', '125%', '150%', '200%', '400%']:
+            self.addItem(text)
+        self.currentTextChanged.connect(self.on_current_text_changed)
+        lineEdit = self.lineEdit()
+        assert lineEdit is not None
+        lineEdit.editingFinished.connect(self._editing_finished)
+        return
+    @Slot(float) # type: ignore
+    def set_zoom_factor(self, zoomFactor: float) -> None:
+        percent = int(zoomFactor * 100)
+        self.setCurrentText(f"{percent}%")
+        return
+    @Slot()
+    def reset(self) -> None:
+        self.setCurrentIndex(8) # 100%
+        return
+    @Slot(str) # type: ignore
+    def on_current_text_changed(self, text: str) -> None:
+        if text == "Fit Width":
+            self.zoom_mode_changed.emit(QPdfView.ZoomMode.FitToWidth)
+        elif text == "Fit Page":
+            self.zoom_mode_changed.emit(QPdfView.ZoomMode.FitInView)
+        elif text.endswith("%"):
+            zoom_level = int(text[:-1])
+            factor = zoom_level / 100.0
+            self.zoom_mode_changed.emit(QPdfView.ZoomMode.Custom)
+            self.zoom_factor_changed.emit(factor)
+        return
+    @Slot()
+    def _editing_finished(self) -> None:
+        lineEdit = self.lineEdit()
+        assert lineEdit is not None
+        self.on_current_text_changed(lineEdit.text())
+        return
     
 
-class PDFViewer(QDialog):
-    pdf_view: QPdfView
-    pdf_document: QPdfDocument
+class PDFViewer(QDialog, Ui_pdfViewer):
+    menubar: QMenuBar
+    zoomSelector: ZoomSelector
+    pageSelector: QSpinBox
+    document: QPdfDocument
 
-    def __init__(self, parent: QWidget) -> None:
+    def __init__(self, parent: QWidget | None) -> None:
         super(PDFViewer, self).__init__(parent)
+        self.setupUi(self)
 
-        self.pdf_view = QPdfView()
-        self.pdf_document = QPdfDocument()
+        self.zoomSelector = ZoomSelector(self)
+        self.pageSelector = QSpinBox(self)
+        self.document = QPdfDocument(self)
 
-        layout = QVBoxLayout(self)
-        layout.addWidget(self.pdf_view)
-        self.setLayout(layout)
+        self.zoomSelector.setMaximumWidth(150)
+        self.mainToolBar.insertWidget(self.actionZoom_In, self.zoomSelector)
+        self.mainToolBar.insertWidget(self.actionForward, self.pageSelector)
+        self.pageSelector.valueChanged.connect(self.page_selected)
+        nav = self.pdfView.pageNavigator()
+        nav.currentPageChanged.connect(self.pageSelector.setValue)
+        nav.backAvailableChanged.connect(self.actionBack.setEnabled)
+        nav.forwardAvailableChanged.connect(self.actionForward.setEnabled)
+        self.zoomSelector.zoom_mode_changed.connect(self.pdfView.setZoomMode)
+        self.zoomSelector.zoom_factor_changed.connect(self.pdfView.setZoomFactor)
+        self.zoomSelector.reset()
+
+        bookmark_model = QPdfBookmarkModel(self)
+        bookmark_model.setDocument(self.document)
+
+        self.bookmarkView.setModel(bookmark_model)
+        self.bookmarkView.activated.connect(self.bookmark_selected)
+
+        self.tabWidget.setTabEnabled(1, False) # disable pages tabwidget
+        self.pdfView.setDocument(self.document)
+        self.pdfView.zoomFactorChanged.connect(self.zoomSelector.set_zoom_factor)
         return
 
-    def load_pdf(self, file: QFile) -> None:
-        if not file.isOpen():
-            file.open(file.OpenModeFlag.ReadOnly)
-        self.pdf_document.load(file)
-        self.pdf_view.setDocument(self.pdf_document)
-        self.pdf_view.setPageMode(QPdfView.PageMode.MultiPage)
-        size = self.pdf_document.pagePointSize(1)
-        self.resize(size.toSize())
-        print(size)
+    @Slot(QFile) # type: ignore
+    def open(self, file: QFile) -> None:
+        #assert file.exists()
+        #if not file.isOpen():
+            #file.open(QFile.OpenModeFlag.ReadOnly)
+        #self.document.load(file)
+        self.document.load(file.fileName())
+        document_title = self.document.metaData(QPdfDocument.MetaDataField.Title)
+        self.setWindowTitle(document_title if document_title else "PDF Viewer")
+        self.page_selected(0)
+        self.pageSelector.setMaximum(self.document.pageCount() -1 )
         return
+
+    @Slot(QModelIndex) # type: ignore
+    def bookmark_selected(self, index: QModelIndex) -> None:
+        if not index.isValid():
+            return
+
+        page = index.data(int(QPdfBookmarkModel.Role.Page))
+        zoom_level = index.data(int(QPdfBookmarkModel.Role.Level))
+        nav = self.pdfView.pageNavigator()
+        assert nav is not None
+        nav.jump(page, QPoint(), zoom_level)
+        return
+
+    @Slot(int) # type: ignore
+    def page_selected(self, page: int) -> None:
+        nav = self.pdfView.pageNavigator()
+        nav.jump(page, QPoint(), nav.currentZoom())
+        return
+
+    @Slot()
+    def on_actionOpen_triggered(self) -> None:
+        print("What are you doing in actionOpen_triggered?")
+        return
+
+    @Slot()
+    def on_actionQuit_triggered(self) -> None:
+        self.close()
+        return
+
+    @Slot()
+    def on_actionZoom_In_triggered(self) -> None:
+        factor = self.pdfView.zoomFactor() * ZOOM_MULTIPLIER
+        self.pdfView.setZoomFactor(factor)
+        return
+
+    @Slot()
+    def on_actionZoom_Out_triggered(self) -> None:
+        factor = self.pdfView.zoomFactor() / ZOOM_MULTIPLIER
+        self.pdfView.setZoomFactor(factor)
+        return
+
+    @Slot()
+    def on_actionPrevious_Page_triggered(self) -> None:
+        nav = self.pdfView.pageNavigator()
+        nav.jump(nav.currentPage() - 1, QPoint(), nav.currentZoom())
+        return
+
+    @Slot()
+    def on_actionNext_Page_triggered(self) -> None:
+        nav = self.pdfView.pageNavigator()
+        nav.jump(nav.currentPage() + 1, QPoint(), nav.currentZoom())
+        return
+
+    @Slot()
+    def on_actionContinuous_triggered(self) -> None:
+        cont_checked = self.actionContinuous.isChecked()
+        mode = QPdfView.PageMode.MultiPage if cont_checked else QPdfView.PageMode.SinglePage
+        self.pdfView.setPageMode(mode)
+        return
+
+    @Slot()
+    def on_actionBack_triggered(self) -> None:
+        self.pdfView.pageNavigator().back()
+        return
+
+    @Slot()
+    def on_actionForward_triggered(self) -> None:
+        self.pdfView.pageNavigator().forward()
+        return
+    

ui/pdfViewer.py

@@ -0,0 +1,171 @@
+# -*- coding: utf-8 -*-
+
+################################################################################
+## Form generated from reading UI file 'pdfViewer.ui'
+##
+## Created by: Qt User Interface Compiler version 6.8.2
+##
+## WARNING! All changes made in this file will be lost when recompiling UI file!
+################################################################################
+
+from PySide6.QtCore import (QCoreApplication, QDate, QDateTime, QLocale,
+    QMetaObject, QObject, QPoint, QRect,
+    QSize, QTime, QUrl, Qt)
+from PySide6.QtGui import (QAction, QBrush, QColor, QConicalGradient,
+    QCursor, QFont, QFontDatabase, QGradient,
+    QIcon, QImage, QKeySequence, QLinearGradient,
+    QPainter, QPalette, QPixmap, QRadialGradient,
+    QTransform)
+from PySide6.QtPdfWidgets import QPdfView
+from PySide6.QtWidgets import (QApplication, QDialog, QHeaderView, QSizePolicy,
+    QSplitter, QTabWidget, QToolBar, QTreeView,
+    QVBoxLayout, QWidget)
+import ui.resources_rc
+
+class Ui_pdfViewer(object):
+    def setupUi(self, pdfViewer):
+        if not pdfViewer.objectName():
+            pdfViewer.setObjectName(u"pdfViewer")
+        pdfViewer.resize(700, 513)
+        self.actionZoom_In = QAction(pdfViewer)
+        self.actionZoom_In.setObjectName(u"actionZoom_In")
+        icon = QIcon(QIcon.fromTheme(QIcon.ThemeIcon.ZoomIn))
+        self.actionZoom_In.setIcon(icon)
+        self.actionZoom_In.setMenuRole(QAction.MenuRole.NoRole)
+        self.actionZoom_Out = QAction(pdfViewer)
+        self.actionZoom_Out.setObjectName(u"actionZoom_Out")
+        icon1 = QIcon(QIcon.fromTheme(QIcon.ThemeIcon.ZoomOut))
+        self.actionZoom_Out.setIcon(icon1)
+        self.actionZoom_Out.setMenuRole(QAction.MenuRole.NoRole)
+        self.actionPrevious_Page = QAction(pdfViewer)
+        self.actionPrevious_Page.setObjectName(u"actionPrevious_Page")
+        icon2 = QIcon()
+        icon2.addFile(u":/icons/images/go-previous-view-page.svgz", QSize(), QIcon.Mode.Normal, QIcon.State.Off)
+        self.actionPrevious_Page.setIcon(icon2)
+        self.actionPrevious_Page.setMenuRole(QAction.MenuRole.NoRole)
+        self.actionNext_Page = QAction(pdfViewer)
+        self.actionNext_Page.setObjectName(u"actionNext_Page")
+        icon3 = QIcon()
+        icon3.addFile(u":/icons/images/go-next-view-page.svgz", QSize(), QIcon.Mode.Normal, QIcon.State.Off)
+        self.actionNext_Page.setIcon(icon3)
+        self.actionNext_Page.setMenuRole(QAction.MenuRole.NoRole)
+        self.actionContinuous = QAction(pdfViewer)
+        self.actionContinuous.setObjectName(u"actionContinuous")
+        self.actionContinuous.setCheckable(True)
+        self.actionContinuous.setMenuRole(QAction.MenuRole.NoRole)
+        self.actionBack = QAction(pdfViewer)
+        self.actionBack.setObjectName(u"actionBack")
+        icon4 = QIcon()
+        icon4.addFile(u":/icons/images/go-previous-view.svgz", QSize(), QIcon.Mode.Normal, QIcon.State.Off)
+        self.actionBack.setIcon(icon4)
+        self.actionBack.setMenuRole(QAction.MenuRole.NoRole)
+        self.actionForward = QAction(pdfViewer)
+        self.actionForward.setObjectName(u"actionForward")
+        icon5 = QIcon()
+        icon5.addFile(u":/icons/images/go-next-view.svgz", QSize(), QIcon.Mode.Normal, QIcon.State.Off)
+        self.actionForward.setIcon(icon5)
+        self.actionForward.setMenuRole(QAction.MenuRole.NoRole)
+        self.verticalLayout = QVBoxLayout(pdfViewer)
+        self.verticalLayout.setObjectName(u"verticalLayout")
+        self.mainToolBar = QToolBar(pdfViewer)
+        self.mainToolBar.setObjectName(u"mainToolBar")
+
+        self.verticalLayout.addWidget(self.mainToolBar)
+
+        self.widget = QWidget(pdfViewer)
+        self.widget.setObjectName(u"widget")
+        self.verticalLayout_2 = QVBoxLayout(self.widget)
+        self.verticalLayout_2.setSpacing(0)
+        self.verticalLayout_2.setObjectName(u"verticalLayout_2")
+        self.verticalLayout_2.setContentsMargins(0, 0, 0, 0)
+        self.splitter = QSplitter(self.widget)
+        self.splitter.setObjectName(u"splitter")
+        self.splitter.setOrientation(Qt.Orientation.Horizontal)
+        self.tabWidget = QTabWidget(self.splitter)
+        self.tabWidget.setObjectName(u"tabWidget")
+        sizePolicy = QSizePolicy(QSizePolicy.Policy.Preferred, QSizePolicy.Policy.Expanding)
+        sizePolicy.setHorizontalStretch(0)
+        sizePolicy.setVerticalStretch(0)
+        sizePolicy.setHeightForWidth(self.tabWidget.sizePolicy().hasHeightForWidth())
+        self.tabWidget.setSizePolicy(sizePolicy)
+        self.tabWidget.setTabPosition(QTabWidget.TabPosition.West)
+        self.bookmarkTab = QWidget()
+        self.bookmarkTab.setObjectName(u"bookmarkTab")
+        self.verticalLayout_3 = QVBoxLayout(self.bookmarkTab)
+        self.verticalLayout_3.setSpacing(0)
+        self.verticalLayout_3.setObjectName(u"verticalLayout_3")
+        self.verticalLayout_3.setContentsMargins(2, 2, 2, 2)
+        self.bookmarkView = QTreeView(self.bookmarkTab)
+        self.bookmarkView.setObjectName(u"bookmarkView")
+        sizePolicy.setHeightForWidth(self.bookmarkView.sizePolicy().hasHeightForWidth())
+        self.bookmarkView.setSizePolicy(sizePolicy)
+
+        self.verticalLayout_3.addWidget(self.bookmarkView)
+
+        self.tabWidget.addTab(self.bookmarkTab, "")
+        self.pagesTab = QWidget()
+        self.pagesTab.setObjectName(u"pagesTab")
+        self.tabWidget.addTab(self.pagesTab, "")
+        self.splitter.addWidget(self.tabWidget)
+        self.pdfView = QPdfView(self.splitter)
+        self.pdfView.setObjectName(u"pdfView")
+        sizePolicy1 = QSizePolicy(QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Expanding)
+        sizePolicy1.setHorizontalStretch(10)
+        sizePolicy1.setVerticalStretch(0)
+        sizePolicy1.setHeightForWidth(self.pdfView.sizePolicy().hasHeightForWidth())
+        self.pdfView.setSizePolicy(sizePolicy1)
+        self.splitter.addWidget(self.pdfView)
+
+        self.verticalLayout_2.addWidget(self.splitter)
+
+
+        self.verticalLayout.addWidget(self.widget)
+
+
+        self.mainToolBar.addAction(self.actionZoom_Out)
+        self.mainToolBar.addAction(self.actionZoom_In)
+        self.mainToolBar.addSeparator()
+        self.mainToolBar.addAction(self.actionBack)
+        self.mainToolBar.addAction(self.actionForward)
+        self.mainToolBar.addAction(self.actionPrevious_Page)
+        self.mainToolBar.addAction(self.actionNext_Page)
+
+        self.retranslateUi(pdfViewer)
+
+        self.tabWidget.setCurrentIndex(0)
+
+
+        QMetaObject.connectSlotsByName(pdfViewer)
+    # setupUi
+
+    def retranslateUi(self, pdfViewer):
+        pdfViewer.setWindowTitle(QCoreApplication.translate("pdfViewer", u"PDF Viewer", None))
+        self.actionZoom_In.setText(QCoreApplication.translate("pdfViewer", u"Zoom In", None))
+#if QT_CONFIG(tooltip)
+        self.actionZoom_In.setToolTip(QCoreApplication.translate("pdfViewer", u"Zoom In", None))
+#endif // QT_CONFIG(tooltip)
+#if QT_CONFIG(shortcut)
+        self.actionZoom_In.setShortcut(QCoreApplication.translate("pdfViewer", u"Ctrl+=", None))
+#endif // QT_CONFIG(shortcut)
+        self.actionZoom_Out.setText(QCoreApplication.translate("pdfViewer", u"Zoom Out", None))
+#if QT_CONFIG(shortcut)
+        self.actionZoom_Out.setShortcut(QCoreApplication.translate("pdfViewer", u"Ctrl+-", None))
+#endif // QT_CONFIG(shortcut)
+        self.actionPrevious_Page.setText(QCoreApplication.translate("pdfViewer", u"Previous Page", None))
+#if QT_CONFIG(shortcut)
+        self.actionPrevious_Page.setShortcut(QCoreApplication.translate("pdfViewer", u"PgUp", None))
+#endif // QT_CONFIG(shortcut)
+        self.actionNext_Page.setText(QCoreApplication.translate("pdfViewer", u"Next Page", None))
+#if QT_CONFIG(shortcut)
+        self.actionNext_Page.setShortcut(QCoreApplication.translate("pdfViewer", u"PgDown", None))
+#endif // QT_CONFIG(shortcut)
+        self.actionContinuous.setText(QCoreApplication.translate("pdfViewer", u"Continuous", None))
+#if QT_CONFIG(tooltip)
+        self.actionContinuous.setToolTip(QCoreApplication.translate("pdfViewer", u"Continuous", None))
+#endif // QT_CONFIG(tooltip)
+        self.actionBack.setText(QCoreApplication.translate("pdfViewer", u"Back", None))
+        self.actionForward.setText(QCoreApplication.translate("pdfViewer", u"Forward", None))
+        self.tabWidget.setTabText(self.tabWidget.indexOf(self.bookmarkTab), QCoreApplication.translate("pdfViewer", u"Bookmarks", None))
+        self.tabWidget.setTabText(self.tabWidget.indexOf(self.pagesTab), QCoreApplication.translate("pdfViewer", u"Pages", None))
+    # retranslateUi
+

ui/pdfViewer.ui

@@ -0,0 +1,227 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>pdfViewer</class>
+ <widget class="QDialog" name="pdfViewer">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>700</width>
+    <height>513</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>PDF Viewer</string>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <item>
+    <widget class="QToolBar" name="mainToolBar">
+     <addaction name="actionZoom_Out"/>
+     <addaction name="actionZoom_In"/>
+     <addaction name="separator"/>
+     <addaction name="actionBack"/>
+     <addaction name="actionForward"/>
+     <addaction name="actionPrevious_Page"/>
+     <addaction name="actionNext_Page"/>
+    </widget>
+   </item>
+   <item>
+    <widget class="QWidget" name="widget" native="true">
+     <layout class="QVBoxLayout" name="verticalLayout_2">
+      <property name="spacing">
+       <number>0</number>
+      </property>
+      <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="QSplitter" name="splitter">
+        <property name="orientation">
+         <enum>Qt::Orientation::Horizontal</enum>
+        </property>
+        <widget class="QTabWidget" name="tabWidget">
+         <property name="sizePolicy">
+          <sizepolicy hsizetype="Preferred" vsizetype="Expanding">
+           <horstretch>0</horstretch>
+           <verstretch>0</verstretch>
+          </sizepolicy>
+         </property>
+         <property name="tabPosition">
+          <enum>QTabWidget::TabPosition::West</enum>
+         </property>
+         <property name="currentIndex">
+          <number>0</number>
+         </property>
+         <widget class="QWidget" name="bookmarkTab">
+          <attribute name="title">
+           <string>Bookmarks</string>
+          </attribute>
+          <layout class="QVBoxLayout" name="verticalLayout_3">
+           <property name="spacing">
+            <number>0</number>
+           </property>
+           <property name="leftMargin">
+            <number>2</number>
+           </property>
+           <property name="topMargin">
+            <number>2</number>
+           </property>
+           <property name="rightMargin">
+            <number>2</number>
+           </property>
+           <property name="bottomMargin">
+            <number>2</number>
+           </property>
+           <item>
+            <widget class="QTreeView" name="bookmarkView">
+             <property name="sizePolicy">
+              <sizepolicy hsizetype="Preferred" vsizetype="Expanding">
+               <horstretch>0</horstretch>
+               <verstretch>0</verstretch>
+              </sizepolicy>
+             </property>
+            </widget>
+           </item>
+          </layout>
+         </widget>
+         <widget class="QWidget" name="pagesTab">
+          <attribute name="title">
+           <string>Pages</string>
+          </attribute>
+         </widget>
+        </widget>
+        <widget class="QPdfView" name="pdfView" native="true">
+         <property name="sizePolicy">
+          <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
+           <horstretch>10</horstretch>
+           <verstretch>0</verstretch>
+          </sizepolicy>
+         </property>
+        </widget>
+       </widget>
+      </item>
+     </layout>
+    </widget>
+   </item>
+  </layout>
+  <action name="actionZoom_In">
+   <property name="icon">
+    <iconset theme="QIcon::ThemeIcon::ZoomIn"/>
+   </property>
+   <property name="text">
+    <string>Zoom In</string>
+   </property>
+   <property name="toolTip">
+    <string>Zoom In</string>
+   </property>
+   <property name="shortcut">
+    <string>Ctrl+=</string>
+   </property>
+   <property name="menuRole">
+    <enum>QAction::MenuRole::NoRole</enum>
+   </property>
+  </action>
+  <action name="actionZoom_Out">
+   <property name="icon">
+    <iconset theme="QIcon::ThemeIcon::ZoomOut"/>
+   </property>
+   <property name="text">
+    <string>Zoom Out</string>
+   </property>
+   <property name="shortcut">
+    <string>Ctrl+-</string>
+   </property>
+   <property name="menuRole">
+    <enum>QAction::MenuRole::NoRole</enum>
+   </property>
+  </action>
+  <action name="actionPrevious_Page">
+   <property name="icon">
+    <iconset resource="resources.qrc">
+     <normaloff>:/icons/images/go-previous-view-page.svgz</normaloff>:/icons/images/go-previous-view-page.svgz</iconset>
+   </property>
+   <property name="text">
+    <string>Previous Page</string>
+   </property>
+   <property name="shortcut">
+    <string>PgUp</string>
+   </property>
+   <property name="menuRole">
+    <enum>QAction::MenuRole::NoRole</enum>
+   </property>
+  </action>
+  <action name="actionNext_Page">
+   <property name="icon">
+    <iconset resource="resources.qrc">
+     <normaloff>:/icons/images/go-next-view-page.svgz</normaloff>:/icons/images/go-next-view-page.svgz</iconset>
+   </property>
+   <property name="text">
+    <string>Next Page</string>
+   </property>
+   <property name="shortcut">
+    <string>PgDown</string>
+   </property>
+   <property name="menuRole">
+    <enum>QAction::MenuRole::NoRole</enum>
+   </property>
+  </action>
+  <action name="actionContinuous">
+   <property name="checkable">
+    <bool>true</bool>
+   </property>
+   <property name="text">
+    <string>Continuous</string>
+   </property>
+   <property name="toolTip">
+    <string>Continuous</string>
+   </property>
+   <property name="menuRole">
+    <enum>QAction::MenuRole::NoRole</enum>
+   </property>
+  </action>
+  <action name="actionBack">
+   <property name="icon">
+    <iconset resource="resources.qrc">
+     <normaloff>:/icons/images/go-previous-view.svgz</normaloff>:/icons/images/go-previous-view.svgz</iconset>
+   </property>
+   <property name="text">
+    <string>Back</string>
+   </property>
+   <property name="menuRole">
+    <enum>QAction::MenuRole::NoRole</enum>
+   </property>
+  </action>
+  <action name="actionForward">
+   <property name="icon">
+    <iconset resource="resources.qrc">
+     <normaloff>:/icons/images/go-next-view.svgz</normaloff>:/icons/images/go-next-view.svgz</iconset>
+   </property>
+   <property name="text">
+    <string>Forward</string>
+   </property>
+   <property name="menuRole">
+    <enum>QAction::MenuRole::NoRole</enum>
+   </property>
+  </action>
+ </widget>
+ <customwidgets>
+  <customwidget>
+   <class>QPdfView</class>
+   <extends>QWidget</extends>
+   <header>qpdfview.h</header>
+  </customwidget>
+ </customwidgets>
+ <resources>
+  <include location="resources.qrc"/>
+ </resources>
+ <connections/>
+</ui>

ui/resources.qrc

@@ -0,0 +1,11 @@
+<RCC>
+    <qresource prefix="/icons">
+        <file>images/document-open.svgz</file>
+        <file>images/go-next-view.svgz</file>
+        <file>images/go-previous-view.svgz</file>
+        <file>images/go-next-view-page.svgz</file>
+        <file>images/go-previous-view-page.svgz</file>
+        <file>images/zoom-in.svgz</file>
+        <file>images/zoom-out.svgz</file>
+    </qresource>
+</RCC>