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<a href="#nested-classes">Classes</a> |
<a href="#pub-methods">Public Member Functions</a> |
<a href="classDragAndDropTarget-members.html">List of all members</a> </div>
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<div class="title">DragAndDropTarget Class Reference<span class="mlabels"><span class="mlabel">abstract</span></span></div> </div>
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<p>Components derived from this class can have things dropped onto them by a <a class="el" href="classDragAndDropContainer.html" title="Enables drag-and-drop behaviour for a component and all its sub-components. ">DragAndDropContainer</a>.
<a href="classDragAndDropTarget.html#details">More...</a></p>
<div id="dynsection-0" onclick="return toggleVisibility(this)" class="dynheader closed" style="cursor:pointer;">
<img id="dynsection-0-trigger" src="closed.png" alt="+"/> Inheritance diagram for DragAndDropTarget:</div>
<div id="dynsection-0-summary" class="dynsummary" style="display:block;">
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<div id="dynsection-0-content" class="dyncontent" style="display:none;">
<div class="center">
<img src="classDragAndDropTarget.png" usemap="#DragAndDropTarget_map" alt=""/>
<map id="DragAndDropTarget_map" name="DragAndDropTarget_map">
<area href="classToolbar.html" title="A toolbar component. " alt="Toolbar" shape="rect" coords="0,56,127,80"/>
<area href="classTreeView.html" title="A tree-view component. " alt="TreeView" shape="rect" coords="137,56,264,80"/>
<area href="classFileTreeComponent.html" title="A component that displays the files in a directory as a treeview. " alt="FileTreeComponent" shape="rect" coords="137,112,264,136"/>
</map>
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<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="nested-classes"></a>
Classes</h2></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classDragAndDropTarget_1_1SourceDetails.html">SourceDetails</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">Contains details about the source of a drag-and-drop operation. <a href="classDragAndDropTarget_1_1SourceDetails.html#details">More...</a><br /></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:ae38b4052c9fb331f52a5cf41d9e4efca"><td class="memItemLeft" align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="classDragAndDropTarget.html#ae38b4052c9fb331f52a5cf41d9e4efca">~DragAndDropTarget</a> ()</td></tr>
<tr class="memdesc:ae38b4052c9fb331f52a5cf41d9e4efca"><td class="mdescLeft"> </td><td class="mdescRight">Destructor. <a href="#ae38b4052c9fb331f52a5cf41d9e4efca">More...</a><br /></td></tr>
<tr class="separator:ae38b4052c9fb331f52a5cf41d9e4efca"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a53853ec7aac70f5590a590b84c3f4f12"><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classDragAndDropTarget.html#a53853ec7aac70f5590a590b84c3f4f12">isInterestedInDragSource</a> (const <a class="el" href="classDragAndDropTarget_1_1SourceDetails.html">SourceDetails</a> &dragSourceDetails)=0</td></tr>
<tr class="memdesc:a53853ec7aac70f5590a590b84c3f4f12"><td class="mdescLeft"> </td><td class="mdescRight">Callback to check whether this target is interested in the type of object being dragged. <a href="#a53853ec7aac70f5590a590b84c3f4f12">More...</a><br /></td></tr>
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<tr class="memitem:a116d963d936a6f1fff772d7d4bb6c811"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classDragAndDropTarget.html#a116d963d936a6f1fff772d7d4bb6c811">itemDragEnter</a> (const <a class="el" href="classDragAndDropTarget_1_1SourceDetails.html">SourceDetails</a> &dragSourceDetails)</td></tr>
<tr class="memdesc:a116d963d936a6f1fff772d7d4bb6c811"><td class="mdescLeft"> </td><td class="mdescRight">Callback to indicate that something is being dragged over this component. <a href="#a116d963d936a6f1fff772d7d4bb6c811">More...</a><br /></td></tr>
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<tr class="memitem:a7f867a2c2d966cd80b0b6736a7ff96f1"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classDragAndDropTarget.html#a7f867a2c2d966cd80b0b6736a7ff96f1">itemDragMove</a> (const <a class="el" href="classDragAndDropTarget_1_1SourceDetails.html">SourceDetails</a> &dragSourceDetails)</td></tr>
<tr class="memdesc:a7f867a2c2d966cd80b0b6736a7ff96f1"><td class="mdescLeft"> </td><td class="mdescRight">Callback to indicate that the user is dragging something over this component. <a href="#a7f867a2c2d966cd80b0b6736a7ff96f1">More...</a><br /></td></tr>
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<tr class="memitem:a1b99d312afac5f1a84fe1ef84c94982e"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classDragAndDropTarget.html#a1b99d312afac5f1a84fe1ef84c94982e">itemDragExit</a> (const <a class="el" href="classDragAndDropTarget_1_1SourceDetails.html">SourceDetails</a> &dragSourceDetails)</td></tr>
<tr class="memdesc:a1b99d312afac5f1a84fe1ef84c94982e"><td class="mdescLeft"> </td><td class="mdescRight">Callback to indicate that something has been dragged off the edge of this component. <a href="#a1b99d312afac5f1a84fe1ef84c94982e">More...</a><br /></td></tr>
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<tr class="memitem:ac2240ffc2dd0ccf61670780a15b66017"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classDragAndDropTarget.html#ac2240ffc2dd0ccf61670780a15b66017">itemDropped</a> (const <a class="el" href="classDragAndDropTarget_1_1SourceDetails.html">SourceDetails</a> &dragSourceDetails)=0</td></tr>
<tr class="memdesc:ac2240ffc2dd0ccf61670780a15b66017"><td class="mdescLeft"> </td><td class="mdescRight">Callback to indicate that the user has dropped something onto this component. <a href="#ac2240ffc2dd0ccf61670780a15b66017">More...</a><br /></td></tr>
<tr class="separator:ac2240ffc2dd0ccf61670780a15b66017"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a160dc7a89ab43cd8d55c5e902bd0032c"><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classDragAndDropTarget.html#a160dc7a89ab43cd8d55c5e902bd0032c">shouldDrawDragImageWhenOver</a> ()</td></tr>
<tr class="memdesc:a160dc7a89ab43cd8d55c5e902bd0032c"><td class="mdescLeft"> </td><td class="mdescRight">Overriding this allows the target to tell the drag container whether to draw the drag image while the cursor is over it. <a href="#a160dc7a89ab43cd8d55c5e902bd0032c">More...</a><br /></td></tr>
<tr class="separator:a160dc7a89ab43cd8d55c5e902bd0032c"><td class="memSeparator" colspan="2"> </td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Components derived from this class can have things dropped onto them by a <a class="el" href="classDragAndDropContainer.html" title="Enables drag-and-drop behaviour for a component and all its sub-components. ">DragAndDropContainer</a>. </p>
<p>To create a component that can receive things drag-and-dropped by a <a class="el" href="classDragAndDropContainer.html" title="Enables drag-and-drop behaviour for a component and all its sub-components. ">DragAndDropContainer</a>, derive your component from this class, and make sure that it is somewhere inside a <a class="el" href="classDragAndDropContainer.html" title="Enables drag-and-drop behaviour for a component and all its sub-components. ">DragAndDropContainer</a> component.</p>
<p>Note: If all that you need to do is to respond to files being drag-and-dropped from the operating system onto your component, you don't need any of these classes: instead see the <a class="el" href="classFileDragAndDropTarget.html" title="Components derived from this class can have files dropped onto them by an external application...">FileDragAndDropTarget</a> class.</p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="classDragAndDropContainer.html" title="Enables drag-and-drop behaviour for a component and all its sub-components. ">DragAndDropContainer</a>, <a class="el" href="classFileDragAndDropTarget.html" title="Components derived from this class can have files dropped onto them by an external application...">FileDragAndDropTarget</a> </dd></dl>
</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#ae38b4052c9fb331f52a5cf41d9e4efca">§ </a></span>~DragAndDropTarget()</h2>
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<td class="memname">virtual DragAndDropTarget::~DragAndDropTarget </td>
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<p>Destructor. </p>
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<h2 class="groupheader">Member Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a53853ec7aac70f5590a590b84c3f4f12">§ </a></span>isInterestedInDragSource()</h2>
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<td class="memname">virtual bool DragAndDropTarget::isInterestedInDragSource </td>
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<td class="paramtype">const <a class="el" href="classDragAndDropTarget_1_1SourceDetails.html">SourceDetails</a> & </td>
<td class="paramname"><em>dragSourceDetails</em></td><td>)</td>
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<p>Callback to check whether this target is interested in the type of object being dragged. </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">dragSourceDetails</td><td>contains information about the source of the drag operation. </td></tr>
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</dd>
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<dl class="section return"><dt>Returns</dt><dd>true if this component wants to receive the other callbacks regarging this type of object; if it returns false, no other callbacks will be made. </dd></dl>
<p>Implemented in <a class="el" href="classTreeView.html#afbfa354c5869c63a4c101e492c28c48a">TreeView</a>, and <a class="el" href="classToolbar.html#ae1c6a81d86121f50624aa3138eb02e10">Toolbar</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a116d963d936a6f1fff772d7d4bb6c811">§ </a></span>itemDragEnter()</h2>
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<td class="memname">virtual void DragAndDropTarget::itemDragEnter </td>
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<td class="paramtype">const <a class="el" href="classDragAndDropTarget_1_1SourceDetails.html">SourceDetails</a> & </td>
<td class="paramname"><em>dragSourceDetails</em></td><td>)</td>
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<p>Callback to indicate that something is being dragged over this component. </p>
<p>This gets called when the user moves the mouse into this component while dragging something.</p>
<p>Use this callback as a trigger to make your component repaint itself to give the user feedback about whether the item can be dropped here or not.</p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">dragSourceDetails</td><td>contains information about the source of the drag operation. </td></tr>
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</dd>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="classDragAndDropTarget.html#a1b99d312afac5f1a84fe1ef84c94982e" title="Callback to indicate that something has been dragged off the edge of this component. ">itemDragExit</a> </dd></dl>
<p>Reimplemented in <a class="el" href="classTreeView.html#aeb8f828cfdbc9ea9fcdb96defac80a69">TreeView</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a7f867a2c2d966cd80b0b6736a7ff96f1">§ </a></span>itemDragMove()</h2>
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<td class="memname">virtual void DragAndDropTarget::itemDragMove </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classDragAndDropTarget_1_1SourceDetails.html">SourceDetails</a> & </td>
<td class="paramname"><em>dragSourceDetails</em></td><td>)</td>
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<p>Callback to indicate that the user is dragging something over this component. </p>
<p>This gets called when the user moves the mouse over this component while dragging something. Normally overriding <a class="el" href="classDragAndDropTarget.html#a116d963d936a6f1fff772d7d4bb6c811" title="Callback to indicate that something is being dragged over this component. ">itemDragEnter()</a> and <a class="el" href="classDragAndDropTarget.html#a1b99d312afac5f1a84fe1ef84c94982e" title="Callback to indicate that something has been dragged off the edge of this component. ">itemDragExit()</a> are enough, but this lets you know what happens in-between.</p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">dragSourceDetails</td><td>contains information about the source of the drag operation. </td></tr>
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</dd>
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<p>Reimplemented in <a class="el" href="classTreeView.html#a473067477127fb1e66f51000588eb06a">TreeView</a>, and <a class="el" href="classToolbar.html#a58ac4f895b8424743dd82ed215e11fca">Toolbar</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a1b99d312afac5f1a84fe1ef84c94982e">§ </a></span>itemDragExit()</h2>
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<td class="memname">virtual void DragAndDropTarget::itemDragExit </td>
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<p>Callback to indicate that something has been dragged off the edge of this component. </p>
<p>This gets called when the user moves the mouse out of this component while dragging something.</p>
<p>If you've used <a class="el" href="classDragAndDropTarget.html#a116d963d936a6f1fff772d7d4bb6c811" title="Callback to indicate that something is being dragged over this component. ">itemDragEnter()</a> to repaint your component and give feedback, use this as a signal to repaint it in its normal state.</p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">dragSourceDetails</td><td>contains information about the source of the drag operation. </td></tr>
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</dd>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="classDragAndDropTarget.html#a116d963d936a6f1fff772d7d4bb6c811" title="Callback to indicate that something is being dragged over this component. ">itemDragEnter</a> </dd></dl>
<p>Reimplemented in <a class="el" href="classTreeView.html#a7e994c0a2e560228bdce393acefab088">TreeView</a>, and <a class="el" href="classToolbar.html#ac622c56495cd76e6dcf359610b84a418">Toolbar</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ac2240ffc2dd0ccf61670780a15b66017">§ </a></span>itemDropped()</h2>
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<td class="memname">virtual void DragAndDropTarget::itemDropped </td>
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<p>Callback to indicate that the user has dropped something onto this component. </p>
<p>When the user drops an item this get called, and you can use the description to work out whether your object wants to deal with it or not.</p>
<p>Note that after this is called, the itemDragExit method may not be called, so you should clean up in here if there's anything you need to do when the drag finishes.</p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">dragSourceDetails</td><td>contains information about the source of the drag operation. </td></tr>
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<p>Implemented in <a class="el" href="classTreeView.html#a1dddbf29a676760f6ba45bde53e952e9">TreeView</a>, and <a class="el" href="classToolbar.html#a834c50d62372f02a7b9c217d3e9130ba">Toolbar</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a160dc7a89ab43cd8d55c5e902bd0032c">§ </a></span>shouldDrawDragImageWhenOver()</h2>
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<p>Overriding this allows the target to tell the drag container whether to draw the drag image while the cursor is over it. </p>
<p>By default it returns true, but if you return false, then the normal drag image will not be shown when the cursor is over this target. </p>
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<hr/>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="juce__DragAndDropTarget_8h.html">juce_DragAndDropTarget.h</a></li>
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