| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the Qt Quick Controls module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
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| ** GNU Lesser General Public License Usage |
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| ** General Public License version 3 as published by the Free Software |
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| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 2.0 or (at your option) the GNU General |
| ** Public license version 3 or any later version approved by the KDE Free |
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| ****************************************************************************/ |
| |
| import QtQuick 2.2 |
| import QtQuick.Window 2.2 |
| import QtQuick.Controls.Private 1.0 |
| |
| TextInput { |
| id: input |
| |
| property Item control |
| property alias cursorHandle: cursorHandle.delegate |
| property alias selectionHandle: selectionHandle.delegate |
| |
| property bool blockRecursion: false |
| property bool hasSelection: selectionStart !== selectionEnd |
| readonly property int selectionPosition: selectionStart !== cursorPosition ? selectionStart : selectionEnd |
| readonly property alias containsMouse: mouseArea.containsMouse |
| property alias editMenu: editMenu |
| cursorDelegate: __style && __style.__cursorDelegate ? __style.__cursorDelegate : null |
| |
| selectByMouse: control.selectByMouse && (!Settings.isMobile || !cursorHandle.delegate || !selectionHandle.delegate) |
| |
| // force re-evaluation when selection moves: |
| // - cursorRectangle changes => content scrolled |
| // - contentWidth changes => text layout changed |
| property rect selectionRectangle: cursorRectangle.x && contentWidth ? positionToRectangle(selectionPosition) |
| : positionToRectangle(selectionPosition) |
| |
| onSelectionStartChanged: syncHandlesWithSelection() |
| onCursorPositionChanged: syncHandlesWithSelection() |
| |
| function syncHandlesWithSelection() |
| { |
| if (!blockRecursion && selectionHandle.delegate) { |
| blockRecursion = true |
| // We cannot use property selectionPosition since it gets updated after onSelectionStartChanged |
| cursorHandle.position = cursorPosition |
| selectionHandle.position = (selectionStart !== cursorPosition) ? selectionStart : selectionEnd |
| blockRecursion = false |
| } |
| } |
| |
| function activate() { |
| if (activeFocusOnPress) { |
| forceActiveFocus() |
| if (!readOnly) |
| Qt.inputMethod.show() |
| } |
| cursorHandle.activate() |
| selectionHandle.activate() |
| } |
| |
| function moveHandles(cursor, selection) { |
| blockRecursion = true |
| cursorPosition = cursor |
| if (selection === -1) { |
| selectWord() |
| selection = selectionStart |
| } |
| selectionHandle.position = selection |
| cursorHandle.position = cursorPosition |
| blockRecursion = false |
| } |
| |
| MouseArea { |
| id: mouseArea |
| anchors.fill: parent |
| hoverEnabled: Settings.hoverEnabled |
| cursorShape: Qt.IBeamCursor |
| acceptedButtons: (input.selectByMouse ? Qt.NoButton : Qt.LeftButton) | (control.menu ? Qt.RightButton : Qt.NoButton) |
| onClicked: { |
| if (editMenu.item) |
| return; |
| var pos = input.positionAt(mouse.x, mouse.y) |
| input.moveHandles(pos, pos) |
| input.activate() |
| } |
| onPressAndHold: { |
| if (editMenu.item) |
| return; |
| var pos = input.positionAt(mouse.x, mouse.y) |
| input.moveHandles(pos, control.selectByMouse ? -1 : pos) |
| input.activate() |
| } |
| } |
| |
| EditMenu { |
| id: editMenu |
| input: parent |
| mouseArea: mouseArea |
| control: parent.control |
| cursorHandle: cursorHandle |
| selectionHandle: selectionHandle |
| anchors.fill: parent |
| } |
| |
| ScenePosListener { |
| id: listener |
| item: input |
| enabled: input.activeFocus && Qt.platform.os !== "ios" && Settings.isMobile |
| } |
| |
| TextHandle { |
| id: selectionHandle |
| |
| editor: input |
| z: 1000001 // DefaultWindowDecoration+1 |
| parent: !input.activeFocus || Qt.platform.os === "ios" ? control : Window.contentItem // float (QTBUG-42538) |
| control: input.control |
| active: control.selectByMouse && Settings.isMobile |
| maximum: cursorHandle.position - 1 |
| |
| readonly property var mappedOrigin: editor.mapToItem(parent, 0,0) |
| |
| // Mention scenePos in the mappedPos binding to force re-evaluation if it changes |
| readonly property var mappedPos: listener.scenePos.x !== listener.scenePos.y !== Number.MAX_VALUE ? |
| editor.mapToItem(parent, editor.selectionRectangle.x, editor.selectionRectangle.y) : -1 |
| x: mappedPos.x |
| y: mappedPos.y |
| |
| visible: pressed || (input.hasSelection && handleX + handleWidth >= -1 && handleX - mappedOrigin.x <= control.width + 1) |
| |
| onPositionChanged: { |
| if (!input.blockRecursion) { |
| input.blockRecursion = true |
| input.select(selectionHandle.position, cursorHandle.position) |
| if (pressed) |
| input.ensureVisible(position) |
| input.blockRecursion = false |
| } |
| } |
| } |
| |
| TextHandle { |
| id: cursorHandle |
| |
| editor: input |
| z: 1000001 // DefaultWindowDecoration+1 |
| parent: !input.activeFocus || Qt.platform.os === "ios" ? control : Window.contentItem // float (QTBUG-42538) |
| control: input.control |
| active: control.selectByMouse && Settings.isMobile |
| minimum: input.hasSelection ? selectionHandle.position + 1 : -1 |
| |
| readonly property var mappedOrigin: editor.mapToItem(parent, 0,0) |
| |
| // Mention scenePos in the mappedPos binding to force re-evaluation if it changes |
| readonly property var mappedPos: listener.scenePos.x !== listener.scenePos.y !== Number.MAX_VALUE ? |
| editor.mapToItem(parent, editor.cursorRectangle.x, editor.cursorRectangle.y) : -1 |
| x: mappedPos.x |
| y: mappedPos.y |
| |
| visible: pressed || ((input.cursorVisible || input.hasSelection) && handleX + handleWidth >= -1 && handleX - mappedOrigin.x <= control.width + 1) |
| |
| onPositionChanged: { |
| if (!input.blockRecursion) { |
| input.blockRecursion = true |
| if (!input.hasSelection) |
| selectionHandle.position = cursorHandle.position |
| input.select(selectionHandle.position, cursorHandle.position) |
| input.blockRecursion = false |
| } |
| } |
| } |
| } |