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+// Copyright (C) 2022 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+import QtQuick
+import QtQuick.Controls
+import QtQuick.Dialogs
+import QtQuick.Layouts
+import QtQuick.Pdf
+import Qt.labs.animation
+
+ApplicationWindow {
+ id: root
+ width: 800
+ height: 1024
+ color: "lightgrey"
+ title: document.title
+ visible: true
+ property string source // for main.cpp
+ property real scaleStep: Math.sqrt(2)
+
+ header: ToolBar {
+ RowLayout {
+ anchors.fill: parent
+ anchors.rightMargin: 6
+ ToolButton {
+ action: Action {
+ shortcut: StandardKey.Open
+ icon.source: "../../../../examples/pdf/singlepage/resources/document-open.svg"
+ onTriggered: fileDialog.open()
+ }
+ }
+ ToolButton {
+ action: Action {
+ shortcut: StandardKey.ZoomIn
+ enabled: pageView.sourceSize.width < 10000
+ icon.source: "../../../../examples/pdf/singlepage/resources/zoom-in.svg"
+ onTriggered: pageView.renderScale *= root.scaleStep
+ }
+ }
+ ToolButton {
+ action: Action {
+ shortcut: StandardKey.ZoomOut
+ enabled: pageView.sourceSize.width > 50
+ icon.source: "../../../../examples/pdf/singlepage/resources/zoom-out.svg"
+ onTriggered: pageView.renderScale /= root.scaleStep
+ }
+ }
+ ToolButton {
+ action: Action {
+ icon.source: "../../../../examples/pdf/singlepage/resources/zoom-fit-width.svg"
+ onTriggered: pageView.scaleToWidth(root.contentItem.width, root.contentItem.height)
+ }
+ }
+ ToolButton {
+ action: Action {
+ icon.source: "../../../../examples/pdf/singlepage/resources/zoom-fit-best.svg"
+ onTriggered: pageView.scaleToPage(root.contentItem.width, root.contentItem.height)
+ }
+ }
+ ToolButton {
+ action: Action {
+ shortcut: "Ctrl+0"
+ icon.source: "../../../../examples/pdf/singlepage/resources/zoom-original.svg"
+ onTriggered: pageView.resetScale()
+ }
+ }
+ ToolButton {
+ action: Action {
+ shortcut: "Ctrl+L"
+ icon.source: "../../../../examples/pdf/singlepage/resources/rotate-left.svg"
+ onTriggered: pageView.rotation -= 90
+ }
+ }
+ ToolButton {
+ action: Action {
+ shortcut: "Ctrl+R"
+ icon.source: "../../../../examples/pdf/singlepage/resources/rotate-right.svg"
+ onTriggered: pageView.rotation += 90
+ }
+ }
+ ToolButton {
+ action: Action {
+ icon.source: "../../../../examples/pdf/singlepage/resources/go-previous-view-page.svg"
+ enabled: pageView.backEnabled
+ onTriggered: pageView.back()
+ }
+ ToolTip.visible: enabled && hovered
+ ToolTip.delay: 2000
+ ToolTip.text: "go back"
+ }
+ SpinBox {
+ id: currentPageSB
+ from: 0
+ to: document.pageCount
+ editable: true
+ value: pageView.currentPage
+ onValueModified: pageView.goToPage(value)
+
+ textFromValue: function(value) { return document.pageLabel(value) }
+ valueFromText: function(text) {
+ for (var i = 0; i < document.pageCount; ++i) {
+ if (document.pageLabel(i).toLowerCase().indexOf(text.toLowerCase()) === 0)
+ return i
+ }
+ return spinBox.value
+ }
+
+ Shortcut {
+ sequence: StandardKey.MoveToPreviousPage
+ onActivated: pageView.goToPage(currentPageSB.value - 1)
+ }
+ Shortcut {
+ sequence: StandardKey.MoveToNextPage
+ onActivated: pageView.goToPage(currentPageSB.value + 1)
+ }
+ }
+ ToolButton {
+ action: Action {
+ icon.source: "../../../../examples/pdf//resources/go-next-view-page.svg"
+ enabled: pageView.forwardEnabled
+ onTriggered: pageView.forward()
+ }
+ ToolTip.visible: enabled && hovered
+ ToolTip.delay: 2000
+ ToolTip.text: "go forward"
+ }
+ ToolButton {
+ action: Action {
+ shortcut: StandardKey.Copy
+ icon.source: "../../../../examples/pdf/singlepage/resources/edit-copy.svg"
+ enabled: pageView.selectedText !== ""
+ onTriggered: pageView.copySelectionToClipboard()
+ }
+ }
+ Shortcut {
+ sequence: StandardKey.Quit
+ onActivated: Qt.quit()
+ }
+ }
+ }
+
+ FileDialog {
+ id: fileDialog
+ title: "Open a PDF file"
+ nameFilters: [ "PDF files (*.pdf)" ]
+ onAccepted: document.source = selectedFile
+ }
+
+ Component.onCompleted: {
+ if (Application.arguments.length > 2)
+ document.source = Application.arguments[Application.arguments.length - 1]
+ }
+
+ Dialog {
+ id: errorDialog
+ title: "Error loading " + document.source
+ standardButtons: Dialog.Ok
+ modal: true
+ closePolicy: Popup.CloseOnEscape
+ anchors.centerIn: parent
+ width: 300
+
+ Label {
+ id: errorField
+ text: document.error
+ }
+ }
+
+ PdfPageView {
+ id: pageView
+ x: searchDrawer.position * searchDrawer.width // TODO binding gets broken during centering
+ document: PdfDocument {
+ id: document
+ source: Qt.resolvedUrl(root.source)
+ onStatusChanged: (status) => { if (status === PdfDocument.Error) errorDialog.open() }
+ }
+ searchString: searchField.text
+ onRenderScaleChanged: pageView.returnToBounds()
+
+ DragHandler {
+ acceptedButtons: Qt.MiddleButton
+ onActiveChanged: if (!active) pageView.returnToBounds()
+ }
+ DragHandler {
+ acceptedDevices: PointerDevice.TouchScreen
+ onActiveChanged: if (!active) pageView.returnToBounds()
+ }
+
+ BoundaryRule on x {
+ id: brx
+ minimumOvershoot: 100
+ maximumOvershoot: 100
+ minimum: Math.min(0, root.width - pageView.width)
+ maximum: 0
+ }
+
+ BoundaryRule on y {
+ id: bry
+ minimumOvershoot: 100
+ maximumOvershoot: 100
+ minimum: Math.min(0, root.height - pageView.height)
+ maximum: 0
+ }
+
+ function returnToBounds() {
+ bry.returnToBounds()
+ brx.returnToBounds()
+ }
+ }
+
+ WheelHandler {
+ target: pageView
+ property: "x"
+ orientation: Qt.Horizontal
+ acceptedDevices: PointerDevice.Mouse | PointerDevice.TouchPad
+ acceptedModifiers: Qt.NoModifier
+ onActiveChanged: if (!active) brx.returnToBounds()
+ }
+ WheelHandler {
+ target: pageView
+ property: "y"
+ orientation: Qt.Vertical
+ acceptedDevices: PointerDevice.Mouse | PointerDevice.TouchPad
+ acceptedModifiers: Qt.NoModifier
+ onActiveChanged: if (!active) bry.returnToBounds()
+ }
+
+ Drawer {
+ id: searchDrawer
+ edge: Qt.LeftEdge
+ modal: false
+ width: searchLayout.implicitWidth
+ y: root.header.height
+ height: root.contentItem.height
+ dim: false
+ Shortcut {
+ sequence: StandardKey.Find
+ onActivated: {
+ searchDrawer.open()
+ searchField.forceActiveFocus()
+ }
+ }
+ ColumnLayout {
+ id: searchLayout
+ anchors.fill: parent
+ anchors.margins: 2
+ RowLayout {
+ ToolButton {
+ action: Action {
+ icon.source: "../../../../examples/pdf/singlepage/resources/go-up-search.svg"
+ shortcut: StandardKey.FindPrevious
+ onTriggered: pageView.searchBack()
+ }
+ ToolTip.visible: enabled && hovered
+ ToolTip.delay: 2000
+ ToolTip.text: "find previous"
+ }
+ TextField {
+ id: searchField
+ placeholderText: "search"
+ Layout.minimumWidth: 200
+ Layout.fillWidth: true
+ Image {
+ visible: searchField.text !== ""
+ source: "../../../../examples/pdf/singlepage/resources/edit-clear.svg"
+ anchors {
+ right: parent.right
+ top: parent.top
+ bottom: parent.bottom
+ margins: 3
+ rightMargin: 5
+ }
+ TapHandler {
+ onTapped: searchField.clear()
+ }
+ }
+ }
+ ToolButton {
+ action: Action {
+ icon.source: "../../../../examples/pdf/singlepage/resources/go-down-search.svg"
+ shortcut: StandardKey.FindNext
+ onTriggered: pageView.searchForward()
+ }
+ ToolTip.visible: enabled && hovered
+ ToolTip.delay: 2000
+ ToolTip.text: "find next"
+ }
+ }
+ ListView {
+ id: searchResultsList
+ Layout.fillWidth: true
+ Layout.fillHeight: true
+ clip: true
+ model: pageView.searchModel
+ ScrollBar.vertical: ScrollBar { }
+ delegate: ItemDelegate {
+ width: parent ? parent.width : 0
+ text: "page " + document.pageLabel(page) + ": " + contextBefore + pageView.searchString + contextAfter
+ highlighted: ListView.isCurrentItem
+ onClicked: {
+ searchResultsList.currentIndex = index
+ pageView.goToLocation(page, location, 0)
+ pageView.searchModel.currentResult = indexOnPage
+ }
+ }
+ }
+ }
+ }
+
+ footer: Label {
+ property size implicitPointSize: document.pagePointSize(pageView.currentPage)
+ text: "page " + (pageView.currentPage + 1) + " of " + document.pageCount +
+ " scale " + pageView.renderScale.toFixed(2) +
+ " original " + implicitPointSize.width.toFixed(1) + "x" + implicitPointSize.height.toFixed(1) + "pts"
+ visible: document.status === PdfDocument.Ready
+ }
+}
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