File: class_qwt_picker_drag_line_machine.html

package info (click to toggle)
qwt 6.1.4-2
  • links: PTS, VCS
  • area: main
  • in suites: bookworm, bullseye, sid, trixie
  • size: 23,808 kB
  • sloc: cpp: 57,687; xml: 182; makefile: 32
file content (184 lines) | stat: -rw-r--r-- 15,120 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<meta name="generator" content="Doxygen 1.8.14"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
<title>Qwt User&#39;s Guide: QwtPickerDragLineMachine Class Reference</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
<link href="navtree.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="resize.js"></script>
<script type="text/javascript" src="navtreedata.js"></script>
<script type="text/javascript" src="navtree.js"></script>
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&amp;dn=gpl-2.0.txt GPL-v2 */
  $(document).ready(initResizable);
/* @license-end */</script>
<link href="search/search.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="search/searchdata.js"></script>
<script type="text/javascript" src="search/search.js"></script>
<link href="doxygen.css" rel="stylesheet" type="text/css" />
</head>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
 <tbody>
 <tr style="height: 56px;">
  <td id="projectalign" style="padding-left: 0.5em;">
   <div id="projectname">Qwt User&#39;s Guide
   &#160;<span id="projectnumber">6.1.4</span>
   </div>
  </td>
 </tr>
 </tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.8.14 -->
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&amp;dn=gpl-2.0.txt GPL-v2 */
var searchBox = new SearchBox("searchBox", "search",false,'Search');
/* @license-end */
</script>
<script type="text/javascript" src="menudata.js"></script>
<script type="text/javascript" src="menu.js"></script>
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&amp;dn=gpl-2.0.txt GPL-v2 */
$(function() {
  initMenu('',true,false,'search.php','Search');
  $(document).ready(function() { init_search(); });
});
/* @license-end */</script>
<div id="main-nav"></div>
</div><!-- top -->
<div id="side-nav" class="ui-resizable side-nav-resizable">
  <div id="nav-tree">
    <div id="nav-tree-contents">
      <div id="nav-sync" class="sync"></div>
    </div>
  </div>
  <div id="splitbar" style="-moz-user-select:none;" 
       class="ui-resizable-handle">
  </div>
</div>
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&amp;dn=gpl-2.0.txt GPL-v2 */
$(document).ready(function(){initNavTree('class_qwt_picker_drag_line_machine.html','');});
/* @license-end */
</script>
<div id="doc-content">
<!-- window showing the filter options -->
<div id="MSearchSelectWindow"
     onmouseover="return searchBox.OnSearchSelectShow()"
     onmouseout="return searchBox.OnSearchSelectHide()"
     onkeydown="return searchBox.OnSearchSelectKey(event)">
</div>

<!-- iframe showing the search results (closed by default) -->
<div id="MSearchResultsWindow">
<iframe src="javascript:void(0)" frameborder="0" 
        name="MSearchResults" id="MSearchResults">
</iframe>
</div>

<div class="header">
  <div class="summary">
<a href="#pub-methods">Public Member Functions</a> &#124;
<a href="class_qwt_picker_drag_line_machine-members.html">List of all members</a>  </div>
  <div class="headertitle">
<div class="title">QwtPickerDragLineMachine Class Reference</div>  </div>
</div><!--header-->
<div class="contents">

<p>A state machine for line selections.  
 <a href="class_qwt_picker_drag_line_machine.html#details">More...</a></p>

<p><code>#include &lt;<a class="el" href="qwt__picker__machine_8h_source.html">qwt_picker_machine.h</a>&gt;</code></p>
<div class="dynheader">
Inheritance diagram for QwtPickerDragLineMachine:</div>
<div class="dyncontent">
<div class="center"><img src="class_qwt_picker_drag_line_machine__inherit__graph.png" border="0" usemap="#_qwt_picker_drag_line_machine_inherit__map" alt="Inheritance graph"/></div>
<map name="_qwt_picker_drag_line_machine_inherit__map" id="_qwt_picker_drag_line_machine_inherit__map">
<area shape="rect" id="node2" href="class_qwt_picker_machine.html" title="A state machine for QwtPicker selections. " alt="" coords="33,5,167,32"/>
</map>
<center><span class="legend">[<a target="top" href="graph_legend.html">legend</a>]</span></center></div>
<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:acf3157352ff3d68fdd000e8a944467b3"><td class="memItemLeft" align="right" valign="top"><a id="acf3157352ff3d68fdd000e8a944467b3"></a>
&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_picker_drag_line_machine.html#acf3157352ff3d68fdd000e8a944467b3">QwtPickerDragLineMachine</a> ()</td></tr>
<tr class="memdesc:acf3157352ff3d68fdd000e8a944467b3"><td class="mdescLeft">&#160;</td><td class="mdescRight">Constructor. <br /></td></tr>
<tr class="separator:acf3157352ff3d68fdd000e8a944467b3"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a3896893cd1950d5a00eb1ce01861a24a"><td class="memItemLeft" align="right" valign="top"><a id="a3896893cd1950d5a00eb1ce01861a24a"></a>
virtual QList&lt; <a class="el" href="class_qwt_picker_machine.html#a3a8d3d4c107ce5f8351e4cbdd38c43f7">Command</a> &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_picker_drag_line_machine.html#a3896893cd1950d5a00eb1ce01861a24a">transition</a> (const <a class="el" href="class_qwt_event_pattern.html">QwtEventPattern</a> &amp;, const QEvent *)</td></tr>
<tr class="memdesc:a3896893cd1950d5a00eb1ce01861a24a"><td class="mdescLeft">&#160;</td><td class="mdescRight">Transition. <br /></td></tr>
<tr class="separator:a3896893cd1950d5a00eb1ce01861a24a"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="inherit_header pub_methods_class_qwt_picker_machine"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_class_qwt_picker_machine')"><img src="closed.png" alt="-"/>&#160;Public Member Functions inherited from <a class="el" href="class_qwt_picker_machine.html">QwtPickerMachine</a></td></tr>
<tr class="memitem:ab27bc3f70d48aa145db9ebbfdba34e15 inherit pub_methods_class_qwt_picker_machine"><td class="memItemLeft" align="right" valign="top"><a id="ab27bc3f70d48aa145db9ebbfdba34e15"></a>
&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_picker_machine.html#ab27bc3f70d48aa145db9ebbfdba34e15">QwtPickerMachine</a> (<a class="el" href="class_qwt_picker_machine.html#a24a9faf12cfa5746eee839a2c0bb937d">SelectionType</a>)</td></tr>
<tr class="memdesc:ab27bc3f70d48aa145db9ebbfdba34e15 inherit pub_methods_class_qwt_picker_machine"><td class="mdescLeft">&#160;</td><td class="mdescRight">Constructor. <br /></td></tr>
<tr class="separator:ab27bc3f70d48aa145db9ebbfdba34e15 inherit pub_methods_class_qwt_picker_machine"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aa1164dfb8ae6ac62fb3b6cb19efcb3e5 inherit pub_methods_class_qwt_picker_machine"><td class="memItemLeft" align="right" valign="top"><a id="aa1164dfb8ae6ac62fb3b6cb19efcb3e5"></a>
virtual&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_picker_machine.html#aa1164dfb8ae6ac62fb3b6cb19efcb3e5">~QwtPickerMachine</a> ()</td></tr>
<tr class="memdesc:aa1164dfb8ae6ac62fb3b6cb19efcb3e5 inherit pub_methods_class_qwt_picker_machine"><td class="mdescLeft">&#160;</td><td class="mdescRight">Destructor. <br /></td></tr>
<tr class="separator:aa1164dfb8ae6ac62fb3b6cb19efcb3e5 inherit pub_methods_class_qwt_picker_machine"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ace6daa55324a8daab3839cf8ba677a93 inherit pub_methods_class_qwt_picker_machine"><td class="memItemLeft" align="right" valign="top"><a id="ace6daa55324a8daab3839cf8ba677a93"></a>
void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_picker_machine.html#ace6daa55324a8daab3839cf8ba677a93">reset</a> ()</td></tr>
<tr class="memdesc:ace6daa55324a8daab3839cf8ba677a93 inherit pub_methods_class_qwt_picker_machine"><td class="mdescLeft">&#160;</td><td class="mdescRight">Set the current state to 0. <br /></td></tr>
<tr class="separator:ace6daa55324a8daab3839cf8ba677a93 inherit pub_methods_class_qwt_picker_machine"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a36293ce5cc8fc0ca68740ba928e8f049 inherit pub_methods_class_qwt_picker_machine"><td class="memItemLeft" align="right" valign="top"><a id="a36293ce5cc8fc0ca68740ba928e8f049"></a>
int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_picker_machine.html#a36293ce5cc8fc0ca68740ba928e8f049">state</a> () const</td></tr>
<tr class="memdesc:a36293ce5cc8fc0ca68740ba928e8f049 inherit pub_methods_class_qwt_picker_machine"><td class="mdescLeft">&#160;</td><td class="mdescRight">Return the current state. <br /></td></tr>
<tr class="separator:a36293ce5cc8fc0ca68740ba928e8f049 inherit pub_methods_class_qwt_picker_machine"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a569c426543e4a6aa15c221eb7c4910f0 inherit pub_methods_class_qwt_picker_machine"><td class="memItemLeft" align="right" valign="top"><a id="a569c426543e4a6aa15c221eb7c4910f0"></a>
void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_picker_machine.html#a569c426543e4a6aa15c221eb7c4910f0">setState</a> (int)</td></tr>
<tr class="memdesc:a569c426543e4a6aa15c221eb7c4910f0 inherit pub_methods_class_qwt_picker_machine"><td class="mdescLeft">&#160;</td><td class="mdescRight">Change the current state. <br /></td></tr>
<tr class="separator:a569c426543e4a6aa15c221eb7c4910f0 inherit pub_methods_class_qwt_picker_machine"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a9020aadf1a13436b4ea072b9ab57d112 inherit pub_methods_class_qwt_picker_machine"><td class="memItemLeft" align="right" valign="top"><a id="a9020aadf1a13436b4ea072b9ab57d112"></a>
<a class="el" href="class_qwt_picker_machine.html#a24a9faf12cfa5746eee839a2c0bb937d">SelectionType</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_picker_machine.html#a9020aadf1a13436b4ea072b9ab57d112">selectionType</a> () const</td></tr>
<tr class="memdesc:a9020aadf1a13436b4ea072b9ab57d112 inherit pub_methods_class_qwt_picker_machine"><td class="mdescLeft">&#160;</td><td class="mdescRight">Return the selection type. <br /></td></tr>
<tr class="separator:a9020aadf1a13436b4ea072b9ab57d112 inherit pub_methods_class_qwt_picker_machine"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="inherited"></a>
Additional Inherited Members</h2></td></tr>
<tr class="inherit_header pub_types_class_qwt_picker_machine"><td colspan="2" onclick="javascript:toggleInherit('pub_types_class_qwt_picker_machine')"><img src="closed.png" alt="-"/>&#160;Public Types inherited from <a class="el" href="class_qwt_picker_machine.html">QwtPickerMachine</a></td></tr>
<tr class="memitem:a24a9faf12cfa5746eee839a2c0bb937d inherit pub_types_class_qwt_picker_machine"><td class="memItemLeft" align="right" valign="top">enum &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_picker_machine.html#a24a9faf12cfa5746eee839a2c0bb937d">SelectionType</a> { <a class="el" href="class_qwt_picker_machine.html#a24a9faf12cfa5746eee839a2c0bb937da326bcc03f7a99aa5970d875f3db46888">NoSelection</a> = -1, 
<a class="el" href="class_qwt_picker_machine.html#a24a9faf12cfa5746eee839a2c0bb937dae65a34cc1ca5d818eb65c05b2484d855">PointSelection</a>, 
<a class="el" href="class_qwt_picker_machine.html#a24a9faf12cfa5746eee839a2c0bb937da9f540e78958e8e238240584120e8af1d">RectSelection</a>, 
<a class="el" href="class_qwt_picker_machine.html#a24a9faf12cfa5746eee839a2c0bb937dac74671ee5ba5d6fd0410f71db1aa3b97">PolygonSelection</a>
 }</td></tr>
<tr class="separator:a24a9faf12cfa5746eee839a2c0bb937d inherit pub_types_class_qwt_picker_machine"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a3a8d3d4c107ce5f8351e4cbdd38c43f7 inherit pub_types_class_qwt_picker_machine"><td class="memItemLeft" align="right" valign="top"><a id="a3a8d3d4c107ce5f8351e4cbdd38c43f7"></a>enum &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_picker_machine.html#a3a8d3d4c107ce5f8351e4cbdd38c43f7">Command</a> { <br />
&#160;&#160;<b>Begin</b>, 
<b>Append</b>, 
<b>Move</b>, 
<b>Remove</b>, 
<br />
&#160;&#160;<b>End</b>
<br />
 }</td></tr>
<tr class="memdesc:a3a8d3d4c107ce5f8351e4cbdd38c43f7"><td class="mdescLeft">&#160;</td><td class="mdescRight">Commands - the output of a state machine. <br /></td></tr>
<tr class="separator:a3a8d3d4c107ce5f8351e4cbdd38c43f7 inherit pub_types_class_qwt_picker_machine"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>A state machine for line selections. </p>
<p>Pressing <a class="el" href="class_qwt_event_pattern.html#af48dc808ac5e125eeed41a4c0285d1eaa5875976eba018ca30eb30ba92986d270">QwtEventPattern::MouseSelect1</a> selects the first point, releasing it the second point. Pressing <a class="el" href="class_qwt_event_pattern.html#a8fb57ceb9982d5583a1bf568e37d3007a32afc68b8e31079c00666a251d0b9c25" title="Qt::Key_Return. ">QwtEventPattern::KeySelect1</a> also selects the first point, a second press selects the second point and terminates the selection.</p>
<p>A common use case of <a class="el" href="class_qwt_picker_drag_line_machine.html" title="A state machine for line selections. ">QwtPickerDragLineMachine</a> are pickers for distance measurements.</p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_event_pattern.html#af48dc808ac5e125eeed41a4c0285d1ea" title="Symbolic mouse input codes. ">QwtEventPattern::MousePatternCode</a>, <a class="el" href="class_qwt_event_pattern.html#a8fb57ceb9982d5583a1bf568e37d3007" title="Symbolic keyboard input codes. ">QwtEventPattern::KeyPatternCode</a> </dd></dl>
</div></div><!-- contents -->
</div><!-- doc-content -->
<!-- start footer part -->
<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
  <ul>
    <li class="navelem"><a class="el" href="class_qwt_picker_drag_line_machine.html">QwtPickerDragLineMachine</a></li>
    <li class="footer">Generated by
    <a href="http://www.doxygen.org/index.html">
    <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.14 </li>
  </ul>
</div>
</body>
</html>