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<title>Drawer QML Type | Qt Quick Controls 2 5.7</title>
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<td >Qt 5.7</td><td ><a href="qtquickcontrols2-index.html">Qt Quick Controls 2</a></td><td ><a href="qtquick-controls2-qmlmodule.html">QML Types</a></td><td >Drawer QML Type</td></tr></table><table class="buildversion"><tr>
<td id="buildversion" width="100%" align="right">Qt 5.7.1 Reference Documentation</td>
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<h3><a name="toc">Contents</a></h3>
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<li class="level1"><a href="#properties">Properties</a></li>
<li class="level1"><a href="#details">Detailed Description</a></li>
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<h1 class="title">Drawer QML Type</h1>
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<!-- $$$Drawer-brief -->
<p>Provides a swipe-based side panel. <a href="#details">More...</a></p>
<!-- @@@Drawer -->
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> Import Statement:</td><td class="memItemRight bottomAlign"> import QtQuick.Controls 2.0</td></tr><tr><td class="memItemLeft rightAlign topAlign"> Since:</td><td class="memItemRight bottomAlign"> Qt 5.7</td></tr><tr><td class="memItemLeft rightAlign topAlign"> Inherits:</td><td class="memItemRight bottomAlign"> <p><a href="qml-qtquick-controls2-popup.html">Popup</a></p>
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<h2 id="properties">Properties</h2>
<ul>
<li class="fn"><b><b><a href="qml-qtquick-controls2-drawer.html#dragMargin-prop">dragMargin</a></b></b> : real</li>
<li class="fn"><b><b><a href="qml-qtquick-controls2-drawer.html#edge-prop">edge</a></b></b> : enumeration</li>
<li class="fn"><b><b><a href="qml-qtquick-controls2-drawer.html#position-prop">position</a></b></b> : real</li>
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<!-- $$$Drawer-description -->
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<h2 id="details">Detailed Description</h2>
</p>
<p>Drawer provides a swipe-based side panel, similar to those often used in touch interfaces to provide a central location for navigation.</p>
<div class="table"><table class="generic">
<tr valign="top" class="odd"><td ><p class="centerAlign"><img src="images/qtquickcontrols2-drawer-wireframe.png" alt="" /></p><p>Drawer can be positioned at any of the four edges of the content item. <br />
In this image, it is against the left edge of the window.</p>
</td><td ><p class="centerAlign"><img src="images/qtquickcontrols2-drawer-expanded-wireframe.png" alt="" /></p><p>The drawer is then opened by <i>"dragging"</i> it out from the left edge <br />
of the window.</p>
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<pre class="cpp">
import <span class="type"><a href="../qtqml/qtquick-qmlmodule.html">QtQuick</a></span> <span class="number">2.7</span>
import <span class="type"><a href="../qtqml/qtquick-qmlmodule.html">QtQuick</a></span><span class="operator">.</span>Controls <span class="number">2.0</span>
ApplicationWindow {
id: window
visible: <span class="keyword">true</span>
Drawer {
id: drawer
width: <span class="number">0.66</span> <span class="operator">*</span> window<span class="operator">.</span>width
height: window<span class="operator">.</span>height
}
}
</pre>
<p>Drawer is a special type of popup that resides at one of the window <a href="qml-qtquick-controls2-drawer.html#edge-prop">edges</a>. By default, Drawer re-parents itself to the window <a href="qml-qtquick-controls2-applicationwindow.html#overlay-attached-prop">overlay</a>, and therefore operates on window coordinates. It is also possible to manually set the <a href="qml-qtquick-controls2-popup.html#parent-prop">parent</a> to something else to make the drawer operate in a specific coordinate space.</p>
<p>Drawer can be configured to cover only part of its window edge. The following example illustrates how Drawer can be positioned to appear below a window header:</p>
<pre class="cpp">
import <span class="type"><a href="../qtqml/qtquick-qmlmodule.html">QtQuick</a></span> <span class="number">2.7</span>
import <span class="type"><a href="../qtqml/qtquick-qmlmodule.html">QtQuick</a></span><span class="operator">.</span>Controls <span class="number">2.0</span>
ApplicationWindow {
id: window
visible: <span class="keyword">true</span>
header: ToolBar { }
Drawer {
y: header<span class="operator">.</span>height
width: window<span class="operator">.</span>width <span class="operator">*</span> <span class="number">0.6</span>
height: window<span class="operator">.</span>height <span class="operator">-</span> header<span class="operator">.</span>height
}
}
</pre>
<p>The <a href="qml-qtquick-controls2-drawer.html#position-prop">position</a> property determines how much of the drawer is visible, as a value between <code>0.0</code> and <code>1.0</code>. It is not possible to set the x-coordinate (or horizontal margins) of a drawer at the left or right window edge, or the y-coordinate (or vertical margins) of a drawer at the top or bottom window edge.</p>
<p>In the image above, the application's contents are <i>"pushed"</i> across the screen. This is achieved by applying a translation to the contents:</p>
<pre class="cpp">
import <span class="type"><a href="../qtqml/qtquick-qmlmodule.html">QtQuick</a></span> <span class="number">2.7</span>
import <span class="type"><a href="../qtqml/qtquick-qmlmodule.html">QtQuick</a></span><span class="operator">.</span>Controls <span class="number">2.0</span>
ApplicationWindow {
id: window
width: <span class="number">200</span>
height: <span class="number">228</span>
visible: <span class="keyword">true</span>
Drawer {
id: drawer
width: <span class="number">0.66</span> <span class="operator">*</span> window<span class="operator">.</span>width
height: window<span class="operator">.</span>height
}
Label {
id: content
text: <span class="string">"Aa"</span>
font<span class="operator">.</span>pixelSize: <span class="number">96</span>
anchors<span class="operator">.</span>fill: parent
verticalAlignment: Label<span class="operator">.</span>AlignVCenter
horizontalAlignment: Label<span class="operator">.</span>AlignHCenter
transform: Translate {
x: drawer<span class="operator">.</span>position <span class="operator">*</span> content<span class="operator">.</span>width <span class="operator">*</span> <span class="number">0.33</span>
}
}
}
</pre>
<p>If you would like the application's contents to stay where they are when the drawer is opened, don't apply a translation.</p>
<p><b>Note: </b>On some platforms, certain edges may be reserved for system gestures and therefore cannot be used with Drawer.</p><p><b>See also </b><a href="qml-qtquick-controls2-swipeview.html">SwipeView</a>, <a href="qtquickcontrols2-customize.html#customizing-drawer">Customizing Drawer</a>, <a href="qtquickcontrols2-navigation.html">Navigation Controls</a>, and <a href="qtquickcontrols2-popups.html">Popup Controls</a>.</p>
<!-- @@@Drawer -->
<h2>Property Documentation</h2>
<!-- $$$dragMargin -->
<div class="qmlitem"><div class="qmlproto">
<div class="table"><table class="qmlname">
<tr valign="top" class="odd" id="dragMargin-prop">
<td class="tblQmlPropNode"><p>
<a name="dragMargin-prop"></a><span class="name">dragMargin</span> : <span class="type">real</span></p></td></tr>
</table></div>
</div><div class="qmldoc"><p>This property holds the distance from the screen edge within which drag actions will open the drawer. Setting the value to <code>0</code> or less prevents opening the drawer by dragging.</p>
<p>The default value is <code>Qt.styleHints.startDragDistance</code>.</p>
</div></div><!-- @@@dragMargin -->
<br/>
<!-- $$$edge -->
<div class="qmlitem"><div class="qmlproto">
<div class="table"><table class="qmlname">
<tr valign="top" class="odd" id="edge-prop">
<td class="tblQmlPropNode"><p>
<a name="edge-prop"></a><span class="name">edge</span> : <span class="type">enumeration</span></p></td></tr>
</table></div>
</div><div class="qmldoc"><p>This property holds the edge of the content item at which the drawer will open from. The acceptable values are:</p>
<div class="table"><table class="valuelist"><tr valign="top" class="odd"><th class="tblConst">Constant</th><th class="tbldscr">Description</th></tr>
<tr><td class="topAlign"><code>Qt.TopEdge</code></td><td class="topAlign">The top edge of the content item.</td></tr>
<tr><td class="topAlign"><code>Qt.LeftEdge</code></td><td class="topAlign">The left edge of the content item (default).</td></tr>
<tr><td class="topAlign"><code>Qt.RightEdge</code></td><td class="topAlign">The right edge of the content item.</td></tr>
<tr><td class="topAlign"><code>Qt.BottomEdge</code></td><td class="topAlign">The bottom edge of the content item.</td></tr>
</table></div>
</div></div><!-- @@@edge -->
<br/>
<!-- $$$position -->
<div class="qmlitem"><div class="qmlproto">
<div class="table"><table class="qmlname">
<tr valign="top" class="odd" id="position-prop">
<td class="tblQmlPropNode"><p>
<a name="position-prop"></a><span class="name">position</span> : <span class="type">real</span></p></td></tr>
</table></div>
</div><div class="qmldoc"><p>This property holds the position of the drawer relative to its final destination. That is, the position will be <code>0</code> when the drawer is fully closed, and <code>1</code> when fully open.</p>
</div></div><!-- @@@position -->
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