Add QPdfSelection and QQuickPdfSelection

So now you can select text by mouse-drag and copy it to the clipboard.

Task-number: QTBUG-77509
Change-Id: I689ee4158974de8bc541c319a5a5cc2f8f3c2ae6
Reviewed-by: Michal Klocek <michal.klocek@qt.io>

1 files changed, 30 insertions, 0 deletions

diff --git a/src/pdf/quick/qml/PdfPageView.qml b/src/pdf/quick/qml/PdfPageView.qml
index b7f75f4c2..2f9c5ef99 100644
--- a/src/pdf/quick/qml/PdfPageView.qml
+++ b/src/pdf/quick/qml/PdfPageView.qml
@@ -51,10 +51,23 @@ Rectangle {
     property alias currentPage: image.currentFrame
     property alias pageCount: image.frameCount
     property alias searchString: searchModel.searchString
+    property alias selectedText: selection.text
     property alias status: image.status
 
     property real __pageScale: image.paintedWidth / document.pagePointSize(image.currentFrame).width
 
+    PdfSelection {
+        id: selection
+        document: paper.document
+        page: image.currentFrame
+        fromPoint: Qt.point(textSelectionDrag.centroid.pressPosition.x / paper.__pageScale, textSelectionDrag.centroid.pressPosition.y / paper.__pageScale)
+        toPoint: Qt.point(textSelectionDrag.centroid.position.x / paper.__pageScale, textSelectionDrag.centroid.position.y / paper.__pageScale)
+        hold: !textSelectionDrag.active && !tapHandler.pressed
+    }
+    function copySelectionToClipboard() {
+        selection.copyToClipboard()
+    }
+
     PdfSearchModel {
         id: searchModel
         document: paper.document
@@ -96,6 +109,14 @@ Rectangle {
                 paths: searchModel.matchGeometry
             }
         }
+        ShapePath {
+            fillColor: "orange"
+            scale: Qt.size(paper.__pageScale, paper.__pageScale)
+            PathMultiline {
+                id: selectionBoundaries
+                paths: selection.geometry
+            }
+        }
     }
     PinchHandler {
         id: pinch
@@ -116,4 +137,13 @@ Rectangle {
         acceptedButtons: Qt.MiddleButton
         snapMode: DragHandler.NoSnap
     }
+    DragHandler {
+        id: textSelectionDrag
+        acceptedDevices: PointerDevice.Mouse | PointerDevice.Stylus
+        target: null
+    }
+    TapHandler {
+        id: tapHandler
+        acceptedDevices: PointerDevice.Mouse | PointerDevice.Stylus
+    }
 }