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<h1 class="title">textselection.qml Example File</h1>
<span class="small-subtitle">declarative/text/textselection/qml/textselection/textselection.qml</span>
<!-- $$$declarative/text/textselection/qml/textselection/textselection.qml-description -->
<div class="descr"> <a name="details"></a>
<pre class="qml"> <span class="comment">/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the examples 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/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 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
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** $QT_END_LICENSE$
**
****************************************************************************/</span>
import QtQuick 1.0
<span class="type"><a href="qml-rectangle.html">Rectangle</a></span> {
<span class="name">id</span>: <span class="name">editor</span>
<span class="name">color</span>: <span class="string">"lightGrey"</span>
<span class="name">width</span>: <span class="number">640</span>; <span class="name">height</span>: <span class="number">480</span>
<span class="type"><a href="qml-rectangle.html">Rectangle</a></span> {
<span class="name">color</span>: <span class="string">"white"</span>
<span class="name">anchors</span>.fill: <span class="name">parent</span>
<span class="name">anchors</span>.margins: <span class="number">20</span>
<span class="type"><a href="qml-borderimage.html">BorderImage</a></span> {
<span class="name">id</span>: <span class="name">startHandle</span>
<span class="name">source</span>: <span class="string">"pics/startHandle.sci"</span>
<span class="name">opacity</span>: <span class="number">0.0</span>
<span class="name">width</span>: <span class="number">10</span>
<span class="name">x</span>: <span class="name">edit</span>.<span class="name">positionToRectangle</span>(<span class="name">edit</span>.<span class="name">selectionStart</span>).<span class="name">x</span> <span class="operator">-</span> <span class="name">flick</span>.<span class="name">contentX</span><span class="operator">-</span><span class="name">width</span>
<span class="name">y</span>: <span class="name">edit</span>.<span class="name">positionToRectangle</span>(<span class="name">edit</span>.<span class="name">selectionStart</span>).<span class="name">y</span> <span class="operator">-</span> <span class="name">flick</span>.<span class="name">contentY</span>
<span class="name">height</span>: <span class="name">edit</span>.<span class="name">positionToRectangle</span>(<span class="name">edit</span>.<span class="name">selectionStart</span>).<span class="name">height</span>
}
<span class="type"><a href="qml-borderimage.html">BorderImage</a></span> {
<span class="name">id</span>: <span class="name">endHandle</span>
<span class="name">source</span>: <span class="string">"pics/endHandle.sci"</span>
<span class="name">opacity</span>: <span class="number">0.0</span>
<span class="name">width</span>: <span class="number">10</span>
<span class="name">x</span>: <span class="name">edit</span>.<span class="name">positionToRectangle</span>(<span class="name">edit</span>.<span class="name">selectionEnd</span>).<span class="name">x</span> <span class="operator">-</span> <span class="name">flick</span>.<span class="name">contentX</span>
<span class="name">y</span>: <span class="name">edit</span>.<span class="name">positionToRectangle</span>(<span class="name">edit</span>.<span class="name">selectionEnd</span>).<span class="name">y</span> <span class="operator">-</span> <span class="name">flick</span>.<span class="name">contentY</span>
<span class="name">height</span>: <span class="name">edit</span>.<span class="name">positionToRectangle</span>(<span class="name">edit</span>.<span class="name">selectionEnd</span>).<span class="name">height</span>
}
<span class="type"><a href="qml-flickable.html">Flickable</a></span> {
<span class="name">id</span>: <span class="name">flick</span>
<span class="name">anchors</span>.fill: <span class="name">parent</span>
<span class="name">contentWidth</span>: <span class="name">edit</span>.<span class="name">paintedWidth</span>
<span class="name">contentHeight</span>: <span class="name">edit</span>.<span class="name">paintedHeight</span>
<span class="name">interactive</span>: <span class="number">true</span>
<span class="name">clip</span>: <span class="number">true</span>
<span class="keyword">function</span> <span class="name">ensureVisible</span>(<span class="name">r</span>) {
<span class="keyword">if</span> (<span class="name">contentX</span> <span class="operator">>=</span> <span class="name">r</span>.<span class="name">x</span>)
<span class="name">contentX</span> <span class="operator">=</span> <span class="name">r</span>.<span class="name">x</span>;
else <span class="keyword">if</span> (<span class="name">contentX</span><span class="operator">+</span><span class="name">width</span> <span class="operator"><=</span> <span class="name">r</span>.<span class="name">x</span><span class="operator">+</span><span class="name">r</span>.<span class="name">width</span>)
<span class="name">contentX</span> <span class="operator">=</span> <span class="name">r</span>.<span class="name">x</span><span class="operator">+</span><span class="name">r</span>.<span class="name">width</span><span class="operator">-</span><span class="name">width</span>;
<span class="keyword">if</span> (<span class="name">contentY</span> <span class="operator">>=</span> <span class="name">r</span>.<span class="name">y</span>)
<span class="name">contentY</span> <span class="operator">=</span> <span class="name">r</span>.<span class="name">y</span>;
else <span class="keyword">if</span> (<span class="name">contentY</span><span class="operator">+</span><span class="name">height</span> <span class="operator"><=</span> <span class="name">r</span>.<span class="name">y</span><span class="operator">+</span><span class="name">r</span>.<span class="name">height</span>)
<span class="name">contentY</span> <span class="operator">=</span> <span class="name">r</span>.<span class="name">y</span><span class="operator">+</span><span class="name">r</span>.<span class="name">height</span><span class="operator">-</span><span class="name">height</span>;
}
<span class="type"><a href="qml-textedit.html">TextEdit</a></span> {
<span class="name">id</span>: <span class="name">edit</span>
<span class="name">width</span>: <span class="name">flick</span>.<span class="name">width</span>
<span class="name">height</span>: <span class="name">flick</span>.<span class="name">height</span>
<span class="name">focus</span>: <span class="number">true</span>
<span class="name">wrapMode</span>: <span class="name">TextEdit</span>.<span class="name">Wrap</span>
<span class="name">onCursorRectangleChanged</span>: <span class="name">flick</span>.<span class="name">ensureVisible</span>(<span class="name">cursorRectangle</span>)
<span class="name">text</span>: <span class="string">"<h1>Text Selection</h1>"</span>
<span class="operator">+</span><span class="string">"<p>This example is a whacky text selection mechanisms, showing how these can be implemented in the TextEdit element, to cater for whatever style is appropriate for the target platform."</span>
<span class="operator">+</span><span class="string">"<p><b>Press-and-hold</b> to select a word, then drag the selection handles."</span>
<span class="operator">+</span><span class="string">"<p><b>Drag outside the selection</b> to scroll the text."</span>
<span class="operator">+</span><span class="string">"<p><b>Click inside the selection</b> to cut/copy/paste/cancel selection."</span>
<span class="operator">+</span><span class="string">"<p>It's too whacky to let you paste if there is no current selection."</span>
<span class="type"><a href="qml-mousearea.html">MouseArea</a></span> {
property <span class="type">string</span> <span class="name">drag</span>: <span class="string">""</span>
property <span class="type">int</span> <span class="name">pressPos</span>
<span class="name">x</span>: -<span class="name">startHandle</span>.<span class="name">width</span>
<span class="name">y</span>: <span class="number">0</span>
<span class="name">width</span>: <span class="name">parent</span>.<span class="name">width</span><span class="operator">+</span><span class="name">startHandle</span>.<span class="name">width</span><span class="operator">+</span><span class="name">endHandle</span>.<span class="name">width</span>
<span class="name">height</span>: <span class="name">parent</span>.<span class="name">height</span>
<span class="name">onPressAndHold</span>: {
<span class="keyword">if</span> (<span class="name">editor</span>.<span class="name">state</span> <span class="operator">==</span> <span class="string">""</span>) {
<span class="name">edit</span>.<span class="name">cursorPosition</span> <span class="operator">=</span> <span class="name">edit</span>.<span class="name">positionAt</span>(<span class="name">mouse</span>.<span class="name">x</span><span class="operator">+</span><span class="name">x</span>,<span class="name">mouse</span>.<span class="name">y</span><span class="operator">+</span><span class="name">y</span>);
<span class="name">edit</span>.<span class="name">selectWord</span>();
<span class="name">editor</span>.<span class="name">state</span> <span class="operator">=</span> <span class="string">"selection"</span>
}
}
<span class="name">onClicked</span>: {
<span class="keyword">if</span> (<span class="name">editor</span>.<span class="name">state</span> <span class="operator">==</span> <span class="string">""</span>) {
<span class="name">edit</span>.<span class="name">cursorPosition</span> <span class="operator">=</span> <span class="name">edit</span>.<span class="name">positionAt</span>(<span class="name">mouse</span>.<span class="name">x</span><span class="operator">+</span><span class="name">x</span>,<span class="name">mouse</span>.<span class="name">y</span><span class="operator">+</span><span class="name">y</span>);
<span class="keyword">if</span> (!<span class="name">edit</span>.<span class="name">focus</span>)
<span class="name">edit</span>.<span class="name">focus</span> <span class="operator">=</span> <span class="number">true</span>;
<span class="name">edit</span>.<span class="name">openSoftwareInputPanel</span>();
}
}
<span class="keyword">function</span> <span class="name">hitHandle</span>(<span class="name">h</span>,x,y) {
<span class="keyword">return</span> <span class="name">x</span><span class="operator">>=</span><span class="name">h</span>.<span class="name">x</span><span class="operator">+</span><span class="name">flick</span>.<span class="name">contentX</span> <span class="operator">&&</span> <span class="name">x</span><span class="operator"><</span><span class="name">h</span>.<span class="name">x</span><span class="operator">+</span><span class="name">flick</span>.<span class="name">contentX</span><span class="operator">+</span><span class="name">h</span>.<span class="name">width</span> <span class="operator">&&</span> <span class="name">y</span><span class="operator">>=</span><span class="name">h</span>.<span class="name">y</span><span class="operator">+</span><span class="name">flick</span>.<span class="name">contentY</span> <span class="operator">&&</span> <span class="name">y</span><span class="operator"><</span><span class="name">h</span>.<span class="name">y</span><span class="operator">+</span><span class="name">flick</span>.<span class="name">contentY</span><span class="operator">+</span><span class="name">h</span>.<span class="name">height</span>
}
<span class="name">onPressed</span>: {
<span class="keyword">if</span> (<span class="name">editor</span>.<span class="name">state</span> <span class="operator">==</span> <span class="string">"selection"</span>) {
<span class="keyword">if</span> (<span class="name">hitHandle</span>(<span class="name">startHandle</span>,<span class="name">mouse</span>.<span class="name">x</span><span class="operator">+</span><span class="name">x</span>,<span class="name">mouse</span>.<span class="name">y</span><span class="operator">+</span><span class="name">y</span>)) {
<span class="name">drag</span> <span class="operator">=</span> <span class="string">"start"</span>
<span class="name">flick</span>.<span class="name">interactive</span> <span class="operator">=</span> <span class="number">false</span>
} else <span class="keyword">if</span> (<span class="name">hitHandle</span>(<span class="name">endHandle</span>,<span class="name">mouse</span>.<span class="name">x</span><span class="operator">+</span><span class="name">x</span>,<span class="name">mouse</span>.<span class="name">y</span><span class="operator">+</span><span class="name">y</span>)) {
<span class="name">drag</span> <span class="operator">=</span> <span class="string">"end"</span>
<span class="name">flick</span>.<span class="name">interactive</span> <span class="operator">=</span> <span class="number">false</span>
} else {
var <span class="name">pos</span> = <span class="name">edit</span>.<span class="name">positionAt</span>(<span class="name">mouse</span>.<span class="name">x</span><span class="operator">+</span><span class="name">x</span>,<span class="name">mouse</span>.<span class="name">y</span><span class="operator">+</span><span class="name">y</span>);
<span class="keyword">if</span> (<span class="name">pos</span> <span class="operator">>=</span> <span class="name">edit</span>.<span class="name">selectionStart</span> <span class="operator">&&</span> <span class="name">pos</span> <span class="operator"><=</span> <span class="name">edit</span>.<span class="name">selectionEnd</span>) {
<span class="name">drag</span> <span class="operator">=</span> <span class="string">"selection"</span>
<span class="name">flick</span>.<span class="name">interactive</span> <span class="operator">=</span> <span class="number">false</span>
} else {
<span class="name">drag</span> <span class="operator">=</span> <span class="string">""</span>
<span class="name">flick</span>.<span class="name">interactive</span> <span class="operator">=</span> <span class="number">true</span>
}
}
}
}
<span class="name">onReleased</span>: {
<span class="keyword">if</span> (<span class="name">editor</span>.<span class="name">state</span> <span class="operator">==</span> <span class="string">"selection"</span>) {
<span class="keyword">if</span> (<span class="name">drag</span> <span class="operator">==</span> <span class="string">"selection"</span>) {
<span class="name">editor</span>.<span class="name">state</span> <span class="operator">=</span> <span class="string">"menu"</span>
}
<span class="name">drag</span> <span class="operator">=</span> <span class="string">""</span>
}
<span class="name">flick</span>.<span class="name">interactive</span> <span class="operator">=</span> <span class="number">true</span>
}
<span class="name">onPositionChanged</span>: {
<span class="keyword">if</span> (<span class="name">editor</span>.<span class="name">state</span> <span class="operator">==</span> <span class="string">"selection"</span> <span class="operator">&&</span> <span class="name">drag</span> <span class="operator">!=</span> <span class="string">""</span>) {
<span class="keyword">if</span> (<span class="name">drag</span> <span class="operator">==</span> <span class="string">"start"</span>) {
var <span class="name">pos</span> = <span class="name">edit</span>.<span class="name">positionAt</span>(<span class="name">mouse</span>.<span class="name">x</span><span class="operator">+</span><span class="name">x</span><span class="operator">+</span><span class="name">startHandle</span>.<span class="name">width</span><span class="operator">/</span><span class="number">2</span>,<span class="name">mouse</span>.<span class="name">y</span><span class="operator">+</span><span class="name">y</span>);
var <span class="name">e</span> = <span class="name">edit</span>.<span class="name">selectionEnd</span>;
<span class="keyword">if</span> (<span class="name">e</span> <span class="operator"><</span> <span class="name">pos</span>)
<span class="name">e</span> <span class="operator">=</span> <span class="name">pos</span>;
<span class="name">edit</span>.<span class="name">select</span>(<span class="name">pos</span>,<span class="name">e</span>);
} else <span class="keyword">if</span> (<span class="name">drag</span> <span class="operator">==</span> <span class="string">"end"</span>) {
var <span class="name">pos</span> = <span class="name">edit</span>.<span class="name">positionAt</span>(<span class="name">mouse</span>.<span class="name">x</span><span class="operator">+</span><span class="name">x</span><span class="operator">-</span><span class="name">endHandle</span>.<span class="name">width</span><span class="operator">/</span><span class="number">2</span>,<span class="name">mouse</span>.<span class="name">y</span><span class="operator">+</span><span class="name">y</span>);
var <span class="name">s</span> = <span class="name">edit</span>.<span class="name">selectionStart</span>;
<span class="keyword">if</span> (<span class="name">s</span> <span class="operator">></span> <span class="name">pos</span>)
<span class="name">s</span> <span class="operator">=</span> <span class="name">pos</span>;
<span class="name">edit</span>.<span class="name">select</span>(<span class="name">s</span>,<span class="name">pos</span>);
}
}
}
}
}
}
<span class="type"><a href="qml-item.html">Item</a></span> {
<span class="name">id</span>: <span class="name">menu</span>
<span class="name">opacity</span>: <span class="number">0.0</span>
<span class="name">width</span>: <span class="number">100</span>
<span class="name">height</span>: <span class="number">120</span>
<span class="name">anchors</span>.centerIn: <span class="name">parent</span>
<span class="type"><a href="qml-rectangle.html">Rectangle</a></span> {
<span class="name">border</span>.width: <span class="number">1</span>
<span class="name">border</span>.color: <span class="string">"darkBlue"</span>
<span class="name">radius</span>: <span class="number">15</span>
<span class="name">color</span>: <span class="string">"#806080FF"</span>
<span class="name">anchors</span>.fill: <span class="name">parent</span>
}
<span class="type"><a href="qml-column.html">Column</a></span> {
<span class="name">anchors</span>.centerIn: <span class="name">parent</span>
<span class="name">spacing</span>: <span class="number">8</span>
<span class="type"><a href="qml-rectangle.html">Rectangle</a></span> {
<span class="name">border</span>.width: <span class="number">1</span>
<span class="name">border</span>.color: <span class="string">"darkBlue"</span>
<span class="name">color</span>: <span class="string">"#ff7090FF"</span>
<span class="name">width</span>: <span class="number">60</span>
<span class="name">height</span>: <span class="number">16</span>
<span class="type"><a href="qml-text.html">Text</a></span> { <span class="name">anchors</span>.centerIn: <span class="name">parent</span>; <span class="name">text</span>: <span class="string">"Cut"</span> }
<span class="type"><a href="qml-mousearea.html">MouseArea</a></span> {
<span class="name">anchors</span>.fill: <span class="name">parent</span>
<span class="name">onClicked</span>: { <span class="name">edit</span>.<span class="name">cut</span>(); <span class="name">editor</span>.<span class="name">state</span> <span class="operator">=</span> <span class="string">""</span> }
}
}
<span class="type"><a href="qml-rectangle.html">Rectangle</a></span> {
<span class="name">border</span>.width: <span class="number">1</span>
<span class="name">border</span>.color: <span class="string">"darkBlue"</span>
<span class="name">color</span>: <span class="string">"#ff7090FF"</span>
<span class="name">width</span>: <span class="number">60</span>
<span class="name">height</span>: <span class="number">16</span>
<span class="type"><a href="qml-text.html">Text</a></span> { <span class="name">anchors</span>.centerIn: <span class="name">parent</span>; <span class="name">text</span>: <span class="string">"Copy"</span> }
<span class="type"><a href="qml-mousearea.html">MouseArea</a></span> {
<span class="name">anchors</span>.fill: <span class="name">parent</span>
<span class="name">onClicked</span>: { <span class="name">edit</span>.<span class="name">copy</span>(); <span class="name">editor</span>.<span class="name">state</span> <span class="operator">=</span> <span class="string">"selection"</span> }
}
}
<span class="type"><a href="qml-rectangle.html">Rectangle</a></span> {
<span class="name">border</span>.width: <span class="number">1</span>
<span class="name">border</span>.color: <span class="string">"darkBlue"</span>
<span class="name">color</span>: <span class="string">"#ff7090FF"</span>
<span class="name">width</span>: <span class="number">60</span>
<span class="name">height</span>: <span class="number">16</span>
<span class="type"><a href="qml-text.html">Text</a></span> { <span class="name">anchors</span>.centerIn: <span class="name">parent</span>; <span class="name">text</span>: <span class="string">"Paste"</span> }
<span class="type"><a href="qml-mousearea.html">MouseArea</a></span> {
<span class="name">anchors</span>.fill: <span class="name">parent</span>
<span class="name">onClicked</span>: { <span class="name">edit</span>.<span class="name">paste</span>(); <span class="name">edit</span>.<span class="name">cursorPosition</span> <span class="operator">=</span> <span class="name">edit</span>.<span class="name">selectionEnd</span>; <span class="name">editor</span>.<span class="name">state</span> <span class="operator">=</span> <span class="string">""</span> }
}
}
<span class="type"><a href="qml-rectangle.html">Rectangle</a></span> {
<span class="name">border</span>.width: <span class="number">1</span>
<span class="name">border</span>.color: <span class="string">"darkBlue"</span>
<span class="name">color</span>: <span class="string">"#ff7090FF"</span>
<span class="name">width</span>: <span class="number">60</span>
<span class="name">height</span>: <span class="number">16</span>
<span class="type"><a href="qml-text.html">Text</a></span> { <span class="name">anchors</span>.centerIn: <span class="name">parent</span>; <span class="name">text</span>: <span class="string">"Deselect"</span> }
<span class="type"><a href="qml-mousearea.html">MouseArea</a></span> {
<span class="name">anchors</span>.fill: <span class="name">parent</span>
<span class="name">onClicked</span>: {
<span class="name">edit</span>.<span class="name">cursorPosition</span> <span class="operator">=</span> <span class="name">edit</span>.<span class="name">selectionEnd</span>;
<span class="name">edit</span>.<span class="name">select</span>(<span class="name">edit</span>.<span class="name">cursorPosition</span>, <span class="name">edit</span>.<span class="name">cursorPosition</span>);
<span class="name">editor</span>.<span class="name">state</span> <span class="operator">=</span> <span class="string">""</span>
}
}
}
}
}
}
<span class="name">states</span>: [
<span class="type"><a href="qml-state.html">State</a></span> {
<span class="name">name</span>: <span class="string">"selection"</span>
<span class="type"><a href="qml-propertychanges.html">PropertyChanges</a></span> { <span class="name">target</span>: <span class="name">startHandle</span>; <span class="name">opacity</span>: <span class="number">1.0</span> }
<span class="type"><a href="qml-propertychanges.html">PropertyChanges</a></span> { <span class="name">target</span>: <span class="name">endHandle</span>; <span class="name">opacity</span>: <span class="number">1.0</span> }
},
<span class="type"><a href="qml-state.html">State</a></span> {
<span class="name">name</span>: <span class="string">"menu"</span>
<span class="type"><a href="qml-propertychanges.html">PropertyChanges</a></span> { <span class="name">target</span>: <span class="name">startHandle</span>; <span class="name">opacity</span>: <span class="number">0.5</span> }
<span class="type"><a href="qml-propertychanges.html">PropertyChanges</a></span> { <span class="name">target</span>: <span class="name">endHandle</span>; <span class="name">opacity</span>: <span class="number">0.5</span> }
<span class="type"><a href="qml-propertychanges.html">PropertyChanges</a></span> { <span class="name">target</span>: <span class="name">menu</span>; <span class="name">opacity</span>: <span class="number">1.0</span> }
}
]
}</pre>
</div>
<!-- @@@declarative/text/textselection/qml/textselection/textselection.qml -->
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