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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt Quick controls module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
import QtQuick 2.1
import QtQuick.Controls 1.1
import QtQuick.Controls.Styles 1.1
import QtQuick.Controls.Private 1.0
Item {
anchors.fill: parent
property bool __showMenuFromTouchAndHold: false
property Menu defaultMenu: Menu {
MenuItem {
text: "cut"
visible: !input.readOnly && selectionStart !== selectionEnd
onTriggered: {
cut();
select(input.cursorPosition, input.cursorPosition);
}
}
MenuItem {
text: "copy"
visible: selectionStart !== selectionEnd
onTriggered: {
copy();
select(input.cursorPosition, input.cursorPosition);
}
}
MenuItem {
text: "paste"
visible: input.canPaste
onTriggered: paste();
}
MenuItem {
text: "delete"
visible: !input.readOnly && selectionStart !== selectionEnd
onTriggered: remove(selectionStart, selectionEnd)
}
MenuItem {
text: "select"
visible: selectionStart === selectionEnd
onTriggered: selectWord();
}
MenuItem {
text: "select all"
visible: !(selectionStart === 0 && selectionEnd === length)
onTriggered: selectAll();
}
}
MouseArea {
id: mouseArea
anchors.fill: parent
function clearFocusFromOtherItems()
{
var selectionItem = TextSingleton.selectionItem;
if (!selectionItem)
return;
var otherPos = selectionItem.cursorPosition;
selectionItem.select(otherPos, otherPos)
}
onClicked: {
if (control.menu && control.menu.__popupVisible) {
select(input.cursorPosition, input.cursorPosition);
} else {
input.activate();
clearFocusFromOtherItems();
}
if (input.activeFocus) {
var pos = input.positionAt(mouse.x, mouse.y)
input.moveHandles(pos, pos)
}
}
onPressAndHold: {
var pos = input.positionAt(mouseArea.mouseX, mouseArea.mouseY);
input.select(pos, pos);
if (!control.menu || !input.activeFocus || (selectionStart != selectionEnd)) {
selectWord();
} else {
// We don't select anything at this point, the
// menu will instead offer to select a word.
__showMenuFromTouchAndHold = true;
menuTimer.start();
clearFocusFromOtherItems();
}
}
onReleased: __showMenuFromTouchAndHold = false
onCanceled: __showMenuFromTouchAndHold = false
}
Connections {
target: cursorHandle ? cursorHandle : null
ignoreUnknownSignals: true
onPressedChanged: menuTimer.start()
}
Connections {
target: selectionHandle ? selectionHandle : null
ignoreUnknownSignals: true
onPressedChanged: menuTimer.start()
}
Connections {
target: flickable
ignoreUnknownSignals: true
onMovingChanged: menuTimer.start()
}
Connections {
id: selectionConnections
target: input
ignoreUnknownSignals: true
onSelectionStartChanged: menuTimer.start()
onSelectionEndChanged: menuTimer.start()
onActiveFocusChanged: menuTimer.start()
}
Timer {
// We use a timer so that we end up with one update when multiple connections fire at the same time.
// Basically we wan't the menu to be open if the user does a press and hold, or if we have a selection.
// The exceptions are if the user is moving selection handles or otherwise touching the screen (e.g flicking).
// What is currently missing are showing a magnifyer to place the cursor, and to reshow the edit menu when
// flicking stops.
id: menuTimer
interval: 1
onTriggered: {
if (!control.menu)
return;
if ((__showMenuFromTouchAndHold || selectionStart !== selectionEnd)
&& (!cursorHandle.pressed && !selectionHandle.pressed)
&& (!flickable || !flickable.moving)
&& (cursorHandle.delegate)) {
// center menu on top of selection:
var r1 = input.positionToRectangle(input.selectionStart);
var r2 = input.cursorRectangle;
var xMin = Math.min(r1.x, r2.x);
var xMax = Math.max(r1.x, r2.x);
var centerX = xMin + ((xMax - xMin) / 2);
var popupPos = input.mapToItem(null, centerX, r1.y);
control.menu.__dismissMenu();
control.menu.__popup(popupPos.x, popupPos.y, -1, MenuPrivate.EditMenu);
} else {
control.menu.__dismissMenu();
}
}
}
}
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