source: trunk/src/uvmat_doc/FUNCTIONS_DOC/keyboard_callback.html @ 37

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19
20<h1>keyboard_callback
21</h1>
22
23<h2><a name="_name"></a>PURPOSE <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2>
24<div class="box"><strong>'keyboard_callback:' function activated when a key is pressed on the keyboard</strong></div>
25
26<h2><a name="_synopsis"></a>SYNOPSIS <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2>
27<div class="box"><strong>function keyboard_callback(hObject,eventdata,handleshaxes) </strong></div>
28
29<h2><a name="_description"></a>DESCRIPTION <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2>
30<div class="fragment"><pre class="comment">'keyboard_callback:' function activated when a key is pressed on the keyboard
31-----------------------------------</pre></div>
32
33<!-- crossreference -->
34<h2><a name="_cross"></a>CROSS-REFERENCE INFORMATION <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2>
35This function calls:
36<ul style="list-style-image:url(../matlabicon.gif)">
37<li><a href="delete_object.html" class="code" title="function delete_object(hObject)">delete_object</a> 'delete_object': delete a projection object, defined by its index in the Uvmat list or by its graphic handle</li><li><a href="uvmat.html" class="code" title="function varargout = uvmat(varargin)">uvmat</a>   'uvmat': function associated with the GUI 'uvmat.fig' for images and data field visualization</li></ul>
38This function is called by:
39<ul style="list-style-image:url(../matlabicon.gif)">
40<li><a href="mouse_up.html" class="code" title="function mouse_up(ggg,eventdata,handles)">mouse_up</a>  'mouse_up': function  activated when the mouse button is released</li></ul>
41<!-- crossreference -->
42
43
44<h2><a name="_source"></a>SOURCE CODE <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2>
45<div class="fragment"><pre>0001 <span class="comment">%'keyboard_callback:' function activated when a key is pressed on the keyboard</span>
460002 <span class="comment">%-----------------------------------</span>
470003 <a name="_sub0" href="#_subfunctions" class="code">function keyboard_callback(hObject,eventdata,handleshaxes)</a>
480004 xx=double(get(hObject,<span class="string">'CurrentCharacter'</span>)); <span class="comment">%get the keyboard character</span>
490005 cur_axes=get(gcbf,<span class="string">'CurrentAxes'</span>);
500006 <span class="keyword">if</span> ~isempty(cur_axes)
510007     xlimit=get(cur_axes,<span class="string">'XLim'</span>);
520008     ylimit=get(cur_axes,<span class="string">'Ylim'</span>);
530009     dx=(xlimit(2)-xlimit(1))/10;
540010     dy=(ylimit(2)-ylimit(1))/10;
550011   
560012     <span class="keyword">if</span> isequal(xx,29)<span class="comment">%move arrow right</span>
570013         xlimit=xlimit+dx;
580014     <span class="keyword">elseif</span> isequal(xx,28)<span class="comment">%move arrow left</span>
590015         xlimit=xlimit-dx;
600016     <span class="keyword">elseif</span> isequal(xx,30)<span class="comment">%move arrow up</span>
610017         ylimit=ylimit+dy;
620018     <span class="keyword">elseif</span> isequal(xx,31)<span class="comment">%move arrow down</span>
630019         ylimit=ylimit-dy;
640020     <span class="keyword">end</span>
650021     set(cur_axes,<span class="string">'XLim'</span>,xlimit)
660022     set(cur_axes,<span class="string">'YLim'</span>,ylimit)
670023 <span class="keyword">end</span>
680024 <span class="keyword">if</span> isequal(xx,8)<span class="comment">%if the delete key is pressed, delete the current object</span>
690025     currentobject=gco;
700026     huvmat=findobj(allchild(0),<span class="string">'Name'</span>,<span class="string">'uvmat'</span>);
710027     UvData=get(huvmat,<span class="string">'UserData'</span>);<span class="comment">%Data associated to the current uvmat interface</span>
720028     hlist_object=findobj(huvmat,<span class="string">'Tag'</span>,<span class="string">'list_object'</span>);
730029     ObjIndex=get(hlist_object,<span class="string">'Value'</span>);
740030     <span class="keyword">if</span> ObjIndex&gt;1
750031         <a href="delete_object.html" class="code" title="function delete_object(hObject)">delete_object</a>(ObjIndex)
760032     <span class="keyword">end</span>
770033     <span class="keyword">if</span> ishandle(currentobject)
780034         tag=get(currentobject,<span class="string">'Tag'</span>);<span class="comment">%tag of the current selected object</span>
790035         <span class="keyword">if</span> isequal(tag,<span class="string">'proj_object'</span>)
800036             <a href="delete_object.html" class="code" title="function delete_object(hObject)">delete_object</a>(currentobject)
810037         <span class="keyword">end</span>
820038     <span class="keyword">end</span>
830039 <span class="keyword">elseif</span> isequal(xx,112)<span class="comment">%  key 'p'</span>
840040     <a href="uvmat.html" class="code" title="function varargout = uvmat(varargin)">uvmat</a>(<span class="string">'runplus_Callback'</span>,hObject,eventdata,handleshaxes)
850041 <span class="comment">%     runplus_Callback(hObject,eventdata,handleshaxes)</span>
860042 <span class="keyword">elseif</span> isequal(xx,109)<span class="comment">%  key 'm'</span>
870043     <a href="uvmat.html" class="code" title="function varargout = uvmat(varargin)">uvmat</a>(<span class="string">'runmin_Callback'</span>,hObject,eventdata,handleshaxes)
880044 <span class="keyword">end</span>
890045
900046 AxeData=get(cur_axes,<span class="string">'UserData'</span>);
910047 <span class="keyword">if</span> isfield(AxeData,<span class="string">'ParentRect'</span>)<span class="comment">% update the position of the parent rectangle represneting the field</span>
920048     hparentrect=AxeData.ParentRect;
930049     rect([1 2])=[xlimit(1) ylimit(1)];
940050     rect([3 4])=[xlimit(2)-xlimit(1) ylimit(2)-ylimit(1)];
950051     set(hparentrect,<span class="string">'Position'</span>,rect)
960052 <span class="keyword">end</span></pre></div>
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