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/****************************************************************************
**
** 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.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** 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
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
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
}
}
}
}
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