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<h1>qwt_legend.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************</span>
21
<a name="l00002"></a>00002 <span class="comment"> * Qwt Widget Library</span>
22
<a name="l00003"></a>00003 <span class="comment"> * Copyright (C) 1997 Josef Wilgen</span>
23
<a name="l00004"></a>00004 <span class="comment"> * Copyright (C) 2002 Uwe Rathmann</span>
24
<a name="l00005"></a>00005 <span class="comment"> * </span>
25
<a name="l00006"></a>00006 <span class="comment"> * This library is free software; you can redistribute it and/or</span>
26
<a name="l00007"></a>00007 <span class="comment"> * modify it under the terms of the Qwt License, Version 1.0</span>
27
<a name="l00008"></a>00008 <span class="comment"> *****************************************************************************/</span>
28
<a name="l00009"></a>00009
29
<a name="l00010"></a>00010 <span class="comment">// vim: expandtab</span>
30
<a name="l00011"></a>00011
31
<a name="l00012"></a>00012 <span class="preprocessor">#include <qapplication.h></span>
32
<a name="l00013"></a>00013 <span class="preprocessor">#include <qmap.h></span>
33
<a name="l00014"></a>00014 <span class="preprocessor">#if QT_VERSION >= 0x040000</span>
34
<a name="l00015"></a>00015 <span class="preprocessor"></span><span class="preprocessor">#include <qscrollbar.h></span>
35
<a name="l00016"></a>00016 <span class="preprocessor">#endif</span>
36
<a name="l00017"></a>00017 <span class="preprocessor"></span><span class="preprocessor">#include "qwt_math.h"</span>
37
<a name="l00018"></a>00018 <span class="preprocessor">#include "qwt_dyngrid_layout.h"</span>
38
<a name="l00019"></a>00019 <span class="preprocessor">#include "qwt_legend_itemmanager.h"</span>
39
<a name="l00020"></a>00020 <span class="preprocessor">#include "qwt_legend_item.h"</span>
40
<a name="l00021"></a>00021 <span class="preprocessor">#include "qwt_legend.h"</span>
41
<a name="l00022"></a>00022
42
<a name="l00023"></a>00023 <span class="keyword">class </span>QwtLegend::PrivateData
43
<a name="l00024"></a>00024 {
44
<a name="l00025"></a>00025 <span class="keyword">public</span>:
45
<a name="l00026"></a>00026 <span class="keyword">class </span>LegendMap
46
<a name="l00027"></a>00027 {
47
<a name="l00028"></a>00028 <span class="keyword">public</span>:
48
<a name="l00029"></a>00029 <span class="keywordtype">void</span> <a class="code" href="class_qwt_legend.html#f736d6053c6e891ad4579aa83b1a705d">insert</a>(<span class="keyword">const</span> <a class="code" href="class_qwt_legend_item_manager.html">QwtLegendItemManager</a> *, QWidget *);
49
<a name="l00030"></a>00030
50
<a name="l00031"></a>00031 <span class="keywordtype">void</span> <a class="code" href="class_qwt_legend.html#562535312e3d65616bc63d35a2ec5b7b">remove</a>(<span class="keyword">const</span> <a class="code" href="class_qwt_legend_item_manager.html">QwtLegendItemManager</a> *);
51
<a name="l00032"></a>00032 <span class="keywordtype">void</span> <a class="code" href="class_qwt_legend.html#562535312e3d65616bc63d35a2ec5b7b">remove</a>(QWidget *);
52
<a name="l00033"></a>00033
53
<a name="l00034"></a>00034 <span class="keywordtype">void</span> <a class="code" href="class_qwt_legend.html#084177665b32798903176de57d962c6e">clear</a>();
54
<a name="l00035"></a>00035
55
<a name="l00036"></a>00036 uint count() <span class="keyword">const</span>;
56
<a name="l00037"></a>00037
57
<a name="l00038"></a>00038 <span class="keyword">inline</span> <span class="keyword">const</span> QWidget *<a class="code" href="class_qwt_legend.html#ac522d61f5b3e6864d3e0083da52b83c">find</a>(<span class="keyword">const</span> <a class="code" href="class_qwt_legend_item_manager.html">QwtLegendItemManager</a> *) <span class="keyword">const</span>;
58
<a name="l00039"></a>00039 <span class="keyword">inline</span> QWidget *<a class="code" href="class_qwt_legend.html#ac522d61f5b3e6864d3e0083da52b83c">find</a>(<span class="keyword">const</span> <a class="code" href="class_qwt_legend_item_manager.html">QwtLegendItemManager</a> *);
59
<a name="l00040"></a>00040
60
<a name="l00041"></a>00041 <span class="keyword">inline</span> <span class="keyword">const</span> <a class="code" href="class_qwt_legend_item_manager.html">QwtLegendItemManager</a> *<a class="code" href="class_qwt_legend.html#ac522d61f5b3e6864d3e0083da52b83c">find</a>(<span class="keyword">const</span> QWidget *) <span class="keyword">const</span>;
61
<a name="l00042"></a>00042 <span class="keyword">inline</span> <a class="code" href="class_qwt_legend_item_manager.html">QwtLegendItemManager</a> *<a class="code" href="class_qwt_legend.html#ac522d61f5b3e6864d3e0083da52b83c">find</a>(<span class="keyword">const</span> QWidget *);
62
<a name="l00043"></a>00043
63
<a name="l00044"></a>00044 <span class="keyword">const</span> QMap<QWidget *, const QwtLegendItemManager *> &widgetMap() <span class="keyword">const</span>;
64
<a name="l00045"></a>00045 QMap<QWidget *, const QwtLegendItemManager *> &widgetMap();
65
<a name="l00046"></a>00046
66
<a name="l00047"></a>00047 <span class="keyword">private</span>:
67
<a name="l00048"></a>00048 QMap<QWidget *, const QwtLegendItemManager *> d_widgetMap;
68
<a name="l00049"></a>00049 QMap<const QwtLegendItemManager *, QWidget *> d_itemMap;
69
<a name="l00050"></a>00050 };
70
<a name="l00051"></a>00051
71
<a name="l00052"></a>00052 <a class="code" href="class_qwt_legend.html#b216dd2dba9ebf6cb0ed2dd621a652e0">QwtLegend::LegendItemMode</a> <a class="code" href="class_qwt_legend.html#f3c8c317c6233654b99ed6d4243a55a5">itemMode</a>;
72
<a name="l00053"></a>00053 <a class="code" href="class_qwt_legend.html#898db0483371da91c694c34502f09ecd">QwtLegend::LegendDisplayPolicy</a> <a class="code" href="class_qwt_legend.html#60873718e29ae36f9b401b11da67e203">displayPolicy</a>;
73
<a name="l00054"></a>00054 <span class="keywordtype">int</span> <a class="code" href="class_qwt_legend.html#3e5214dfc996d687ebe7bbd9f8f54459">identifierMode</a>;
74
<a name="l00055"></a>00055
75
<a name="l00056"></a>00056 LegendMap map;
76
<a name="l00057"></a>00057
77
<a name="l00058"></a>00058 <span class="keyword">class </span>LegendView;
78
<a name="l00059"></a>00059 LegendView *view;
79
<a name="l00060"></a>00060 };
80
<a name="l00061"></a>00061
81
<a name="l00062"></a>00062 <span class="preprocessor">#if QT_VERSION < 0x040000</span>
82
<a name="l00063"></a>00063 <span class="preprocessor"></span><span class="preprocessor">#include <qscrollview.h></span>
83
<a name="l00064"></a>00064
84
<a name="l00065"></a>00065 <span class="keyword">class </span>QwtLegend::PrivateData::LegendView: <span class="keyword">public</span> QScrollView
85
<a name="l00066"></a>00066 {
86
<a name="l00067"></a>00067 <span class="keyword">public</span>:
87
<a name="l00068"></a>00068 LegendView(QWidget *parent):
88
<a name="l00069"></a>00069 QScrollView(parent)
89
<a name="l00070"></a>00070 {
90
<a name="l00071"></a>00071 setResizePolicy(Manual);
91
<a name="l00072"></a>00072
92
<a name="l00073"></a>00073 viewport()->setBackgroundMode(Qt::NoBackground); <span class="comment">// Avoid flicker</span>
93
<a name="l00074"></a>00074
94
<a name="l00075"></a>00075 <a class="code" href="class_qwt_legend.html#a52edeceb553ae703516c984f34d7ab7">contentsWidget</a> = <span class="keyword">new</span> QWidget(viewport());
95
<a name="l00076"></a>00076
96
<a name="l00077"></a>00077 addChild(<a class="code" href="class_qwt_legend.html#a52edeceb553ae703516c984f34d7ab7">contentsWidget</a>);
97
<a name="l00078"></a>00078 }
98
<a name="l00079"></a>00079
99
<a name="l00080"></a>00080 <span class="keywordtype">void</span> viewportResizeEvent(QResizeEvent *e)
100
<a name="l00081"></a>00081 {
101
<a name="l00082"></a>00082 QScrollView::viewportResizeEvent(e);
102
<a name="l00083"></a>00083
103
<a name="l00084"></a>00084 <span class="comment">// It's not safe to update the layout now, because</span>
104
<a name="l00085"></a>00085 <span class="comment">// we are in an internal update of the scrollview framework.</span>
105
<a name="l00086"></a>00086 <span class="comment">// So we delay the update by posting a LayoutHint.</span>
106
<a name="l00087"></a>00087
107
<a name="l00088"></a>00088 QApplication::postEvent(<a class="code" href="class_qwt_legend.html#a52edeceb553ae703516c984f34d7ab7">contentsWidget</a>,
108
<a name="l00089"></a>00089 <span class="keyword">new</span> QEvent(QEvent::LayoutHint));
109
<a name="l00090"></a>00090 }
110
<a name="l00091"></a>00091
111
<a name="l00092"></a>00092 QWidget *<a class="code" href="class_qwt_legend.html#a52edeceb553ae703516c984f34d7ab7">contentsWidget</a>;
112
<a name="l00093"></a>00093 };
113
<a name="l00094"></a>00094
114
<a name="l00095"></a>00095 <span class="preprocessor">#else // QT_VERSION >= 0x040000</span>
115
<a name="l00096"></a>00096 <span class="preprocessor"></span>
116
<a name="l00097"></a>00097 <span class="preprocessor">#include <qscrollarea.h></span>
117
<a name="l00098"></a>00098
118
<a name="l00099"></a>00099 <span class="keyword">class </span>QwtLegend::PrivateData::LegendView: <span class="keyword">public</span> QScrollArea
119
<a name="l00100"></a>00100 {
120
<a name="l00101"></a>00101 <span class="keyword">public</span>:
121
<a name="l00102"></a>00102 LegendView(QWidget *parent):
122
<a name="l00103"></a>00103 QScrollArea(parent)
123
<a name="l00104"></a>00104 {
124
<a name="l00105"></a>00105 <a class="code" href="class_qwt_legend.html#a52edeceb553ae703516c984f34d7ab7">contentsWidget</a> = <span class="keyword">new</span> QWidget(<span class="keyword">this</span>);
125
<a name="l00106"></a>00106
126
<a name="l00107"></a>00107 setWidget(<a class="code" href="class_qwt_legend.html#a52edeceb553ae703516c984f34d7ab7">contentsWidget</a>);
127
<a name="l00108"></a>00108 setWidgetResizable(<span class="keyword">false</span>);
128
<a name="l00109"></a>00109 setFocusPolicy(Qt::NoFocus);
129
<a name="l00110"></a>00110 }
130
<a name="l00111"></a>00111
131
<a name="l00112"></a>00112 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> viewportEvent(QEvent *e)
132
<a name="l00113"></a>00113 {
133
<a name="l00114"></a>00114 <span class="keywordtype">bool</span> ok = QScrollArea::viewportEvent(e);
134
<a name="l00115"></a>00115
135
<a name="l00116"></a>00116 <span class="keywordflow">if</span> ( e->type() == QEvent::Resize )
136
<a name="l00117"></a>00117 {
137
<a name="l00118"></a>00118 QEvent event(QEvent::LayoutRequest);
138
<a name="l00119"></a>00119 QApplication::sendEvent(<a class="code" href="class_qwt_legend.html#a52edeceb553ae703516c984f34d7ab7">contentsWidget</a>, &event);
139
<a name="l00120"></a>00120 }
140
<a name="l00121"></a>00121 <span class="keywordflow">return</span> ok;
141
<a name="l00122"></a>00122 }
142
<a name="l00123"></a>00123
143
<a name="l00124"></a>00124 QSize viewportSize(<span class="keywordtype">int</span> w, <span class="keywordtype">int</span> h)<span class="keyword"> const</span>
144
<a name="l00125"></a>00125 <span class="keyword"> </span>{
145
<a name="l00126"></a>00126 <span class="keyword">const</span> <span class="keywordtype">int</span> sbHeight = <a class="code" href="class_qwt_legend.html#35e2babbf9e2f0df29f07bdb9230b82d">horizontalScrollBar</a>()->sizeHint().height();
146
<a name="l00127"></a>00127 <span class="keyword">const</span> <span class="keywordtype">int</span> sbWidth = <a class="code" href="class_qwt_legend.html#2e567054b220ba850e4c1b7800a2ad82">verticalScrollBar</a>()->sizeHint().width();
147
<a name="l00128"></a>00128
148
<a name="l00129"></a>00129 <span class="keyword">const</span> <span class="keywordtype">int</span> cw = contentsRect().width();
149
<a name="l00130"></a>00130 <span class="keyword">const</span> <span class="keywordtype">int</span> ch = contentsRect().height();
150
<a name="l00131"></a>00131
151
<a name="l00132"></a>00132 <span class="keywordtype">int</span> vw = cw;
152
<a name="l00133"></a>00133 <span class="keywordtype">int</span> vh = ch;
153
<a name="l00134"></a>00134
154
<a name="l00135"></a>00135 <span class="keywordflow">if</span> ( w > vw )
155
<a name="l00136"></a>00136 vh -= sbHeight;
156
<a name="l00137"></a>00137
157
<a name="l00138"></a>00138 <span class="keywordflow">if</span> ( h > vh )
158
<a name="l00139"></a>00139 {
159
<a name="l00140"></a>00140 vw -= sbWidth;
160
<a name="l00141"></a>00141 <span class="keywordflow">if</span> ( w > vw && vh == ch )
161
<a name="l00142"></a>00142 vh -= sbHeight;
162
<a name="l00143"></a>00143 }
163
<a name="l00144"></a>00144 <span class="keywordflow">return</span> QSize(vw, vh);
164
<a name="l00145"></a>00145 }
165
<a name="l00146"></a>00146
166
<a name="l00147"></a>00147 QWidget *<a class="code" href="class_qwt_legend.html#a52edeceb553ae703516c984f34d7ab7">contentsWidget</a>;
167
<a name="l00148"></a>00148 };
168
<a name="l00149"></a>00149
169
<a name="l00150"></a>00150 <span class="preprocessor">#endif</span>
170
<a name="l00151"></a>00151 <span class="preprocessor"></span>
171
<a name="l00152"></a>00152
172
<a name="l00153"></a>00153 <span class="keywordtype">void</span> <a class="code" href="class_qwt_legend.html#f736d6053c6e891ad4579aa83b1a705d">QwtLegend::PrivateData::LegendMap::insert</a>(
173
<a name="l00154"></a>00154 <span class="keyword">const</span> <a class="code" href="class_qwt_legend_item_manager.html">QwtLegendItemManager</a> *item, QWidget *widget)
174
<a name="l00155"></a>00155 {
175
<a name="l00156"></a>00156 d_itemMap.insert(item, widget);
176
<a name="l00157"></a>00157 d_widgetMap.insert(widget, item);
177
<a name="l00158"></a>00158 }
178
<a name="l00159"></a>00159
179
<a name="l00160"></a>00160 <span class="keywordtype">void</span> <a class="code" href="class_qwt_legend.html#562535312e3d65616bc63d35a2ec5b7b">QwtLegend::PrivateData::LegendMap::remove</a>(<span class="keyword">const</span> <a class="code" href="class_qwt_legend_item_manager.html">QwtLegendItemManager</a> *item)
180
<a name="l00161"></a>00161 {
181
<a name="l00162"></a>00162 QWidget *widget = d_itemMap[item];
182
<a name="l00163"></a>00163 d_itemMap.remove(item);
183
<a name="l00164"></a>00164 d_widgetMap.remove(widget);
184
<a name="l00165"></a>00165 }
185
<a name="l00166"></a>00166
186
<a name="l00167"></a>00167 <span class="keywordtype">void</span> <a class="code" href="class_qwt_legend.html#562535312e3d65616bc63d35a2ec5b7b">QwtLegend::PrivateData::LegendMap::remove</a>(QWidget *widget)
187
<a name="l00168"></a>00168 {
188
<a name="l00169"></a>00169 <span class="keyword">const</span> <a class="code" href="class_qwt_legend_item_manager.html">QwtLegendItemManager</a> *item = d_widgetMap[widget];
189
<a name="l00170"></a>00170 d_itemMap.remove(item);
190
<a name="l00171"></a>00171 d_widgetMap.remove(widget);
191
<a name="l00172"></a>00172 }
192
<a name="l00173"></a>00173
193
<a name="l00174"></a>00174 <span class="keywordtype">void</span> <a class="code" href="class_qwt_legend.html#084177665b32798903176de57d962c6e">QwtLegend::PrivateData::LegendMap::clear</a>()
194
<a name="l00175"></a>00175 {
195
<a name="l00176"></a>00176
196
<a name="l00177"></a>00177 <span class="comment">/*</span>
197
<a name="l00178"></a>00178 <span class="comment"> We can't delete the widgets in the following loop, because</span>
198
<a name="l00179"></a>00179 <span class="comment"> we would get ChildRemoved events, changing d_itemMap, while</span>
199
<a name="l00180"></a>00180 <span class="comment"> we are iterating.</span>
200
<a name="l00181"></a>00181 <span class="comment"> */</span>
201
<a name="l00182"></a>00182
202
<a name="l00183"></a>00183 <span class="preprocessor">#if QT_VERSION < 0x040000</span>
203
<a name="l00184"></a>00184 <span class="preprocessor"></span> QValueList<QWidget *> widgets;
204
<a name="l00185"></a>00185
205
<a name="l00186"></a>00186 QMap<const QwtLegendItemManager *, QWidget *>::const_iterator it;
206
<a name="l00187"></a>00187 <span class="keywordflow">for</span> ( it = d_itemMap.begin(); it != d_itemMap.end(); ++it )
207
<a name="l00188"></a>00188 widgets.append(it.data());
208
<a name="l00189"></a>00189 <span class="preprocessor">#else</span>
209
<a name="l00190"></a>00190 <span class="preprocessor"></span> QList<QWidget *> widgets;
210
<a name="l00191"></a>00191
211
<a name="l00192"></a>00192 QMap<const QwtLegendItemManager *, QWidget *>::const_iterator it;
212
<a name="l00193"></a>00193 <span class="keywordflow">for</span> ( it = d_itemMap.begin(); it != d_itemMap.end(); ++it )
213
<a name="l00194"></a>00194 widgets.append(it.value());
214
<a name="l00195"></a>00195 <span class="preprocessor">#endif</span>
215
<a name="l00196"></a>00196 <span class="preprocessor"></span>
216
<a name="l00197"></a>00197 d_itemMap.clear();
217
<a name="l00198"></a>00198 d_widgetMap.clear();
218
<a name="l00199"></a>00199
219
<a name="l00200"></a>00200 <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i < (int)widgets.size(); i++ )
220
<a name="l00201"></a>00201 <span class="keyword">delete</span> widgets[i];
221
<a name="l00202"></a>00202 }
222
<a name="l00203"></a>00203
223
<a name="l00204"></a>00204 uint QwtLegend::PrivateData::LegendMap::count()<span class="keyword"> const</span>
224
<a name="l00205"></a>00205 <span class="keyword"></span>{
225
<a name="l00206"></a>00206 <span class="keywordflow">return</span> d_itemMap.count();
226
<a name="l00207"></a>00207 }
227
<a name="l00208"></a>00208
228
<a name="l00209"></a>00209 <span class="keyword">inline</span> <span class="keyword">const</span> QWidget *<a class="code" href="class_qwt_legend.html#ac522d61f5b3e6864d3e0083da52b83c">QwtLegend::PrivateData::LegendMap::find</a>(<span class="keyword">const</span> <a class="code" href="class_qwt_legend_item_manager.html">QwtLegendItemManager</a> *item)<span class="keyword"> const</span>
229
<a name="l00210"></a>00210 <span class="keyword"></span>{
230
<a name="l00211"></a>00211 <span class="keywordflow">if</span> ( !d_itemMap.contains((<a class="code" href="class_qwt_legend_item_manager.html">QwtLegendItemManager</a> *)item) )
231
<a name="l00212"></a>00212 <span class="keywordflow">return</span> NULL;
232
<a name="l00213"></a>00213
233
<a name="l00214"></a>00214 <span class="keywordflow">return</span> d_itemMap[(<a class="code" href="class_qwt_legend_item_manager.html">QwtLegendItemManager</a> *)item];
234
<a name="l00215"></a>00215 }
235
<a name="l00216"></a>00216
236
<a name="l00217"></a>00217 <span class="keyword">inline</span> QWidget *<a class="code" href="class_qwt_legend.html#ac522d61f5b3e6864d3e0083da52b83c">QwtLegend::PrivateData::LegendMap::find</a>(<span class="keyword">const</span> <a class="code" href="class_qwt_legend_item_manager.html">QwtLegendItemManager</a> *item)
237
<a name="l00218"></a>00218 {
238
<a name="l00219"></a>00219 <span class="keywordflow">if</span> ( !d_itemMap.contains((<a class="code" href="class_qwt_legend_item_manager.html">QwtLegendItemManager</a> *)item) )
239
<a name="l00220"></a>00220 <span class="keywordflow">return</span> NULL;
240
<a name="l00221"></a>00221
241
<a name="l00222"></a>00222 <span class="keywordflow">return</span> d_itemMap[(<a class="code" href="class_qwt_legend_item_manager.html">QwtLegendItemManager</a> *)item];
242
<a name="l00223"></a>00223 }
243
<a name="l00224"></a>00224
244
<a name="l00225"></a>00225 <span class="keyword">inline</span> <span class="keyword">const</span> <a class="code" href="class_qwt_legend_item_manager.html">QwtLegendItemManager</a> *<a class="code" href="class_qwt_legend.html#ac522d61f5b3e6864d3e0083da52b83c">QwtLegend::PrivateData::LegendMap::find</a>(
245
<a name="l00226"></a>00226 <span class="keyword">const</span> QWidget *widget)<span class="keyword"> const</span>
246
<a name="l00227"></a>00227 <span class="keyword"></span>{
247
<a name="l00228"></a>00228 <span class="keywordflow">if</span> ( !d_widgetMap.contains((QWidget *)widget) )
248
<a name="l00229"></a>00229 <span class="keywordflow">return</span> NULL;
249
<a name="l00230"></a>00230
250
<a name="l00231"></a>00231 <span class="keywordflow">return</span> d_widgetMap[(QWidget *)widget];
251
<a name="l00232"></a>00232 }
252
<a name="l00233"></a>00233
253
<a name="l00234"></a>00234 <span class="keyword">inline</span> <a class="code" href="class_qwt_legend_item_manager.html">QwtLegendItemManager</a> *<a class="code" href="class_qwt_legend.html#ac522d61f5b3e6864d3e0083da52b83c">QwtLegend::PrivateData::LegendMap::find</a>(
254
<a name="l00235"></a>00235 <span class="keyword">const</span> QWidget *widget)
255
<a name="l00236"></a>00236 {
256
<a name="l00237"></a>00237 <span class="keywordflow">if</span> ( !d_widgetMap.contains((QWidget *)widget) )
257
<a name="l00238"></a>00238 <span class="keywordflow">return</span> NULL;
258
<a name="l00239"></a>00239
259
<a name="l00240"></a>00240 <span class="keywordflow">return</span> (<a class="code" href="class_qwt_legend_item_manager.html">QwtLegendItemManager</a> *)d_widgetMap[(QWidget *)widget];
260
<a name="l00241"></a>00241 }
261
<a name="l00242"></a>00242
262
<a name="l00243"></a>00243 <span class="keyword">inline</span> <span class="keyword">const</span> QMap<QWidget *, const QwtLegendItemManager *> &
263
<a name="l00244"></a>00244 QwtLegend::PrivateData::LegendMap::widgetMap()<span class="keyword"> const</span>
264
<a name="l00245"></a>00245 <span class="keyword"></span>{
265
<a name="l00246"></a>00246 <span class="keywordflow">return</span> d_widgetMap;
266
<a name="l00247"></a>00247 }
267
<a name="l00248"></a>00248
268
<a name="l00249"></a>00249 <span class="keyword">inline</span> QMap<QWidget *, const QwtLegendItemManager *> &
269
<a name="l00250"></a>00250 QwtLegend::PrivateData::LegendMap::widgetMap()
270
<a name="l00251"></a>00251 {
271
<a name="l00252"></a>00252 <span class="keywordflow">return</span> d_widgetMap;
272
<a name="l00253"></a>00253 }
273
<a name="l00254"></a>00254
274
<a name="l00258"></a><a class="code" href="class_qwt_legend.html#df5a64070a546eaac36fc9afac56b7fb">00258</a> <a class="code" href="class_qwt_legend.html#df5a64070a546eaac36fc9afac56b7fb">QwtLegend::QwtLegend</a>(QWidget *parent):
275
<a name="l00259"></a>00259 QFrame(parent)
276
<a name="l00260"></a>00260 {
277
<a name="l00261"></a>00261 setFrameStyle(NoFrame);
278
<a name="l00262"></a>00262
279
<a name="l00263"></a>00263 d_data = <span class="keyword">new</span> QwtLegend::PrivateData;
280
<a name="l00264"></a>00264 d_data->itemMode = QwtLegend::ReadOnlyItem;
281
<a name="l00265"></a>00265 d_data->displayPolicy = QwtLegend::AutoIdentifier;
282
<a name="l00266"></a>00266 d_data->identifierMode = QwtLegendItem::ShowLine |
283
<a name="l00267"></a>00267 QwtLegendItem::ShowSymbol | QwtLegendItem::ShowText;
284
<a name="l00268"></a>00268
285
<a name="l00269"></a>00269 d_data->view = <span class="keyword">new</span> QwtLegend::PrivateData::LegendView(<span class="keyword">this</span>);
286
<a name="l00270"></a>00270 d_data->view->setFrameStyle(NoFrame);
287
<a name="l00271"></a>00271
288
<a name="l00272"></a>00272 <a class="code" href="class_qwt_dyn_grid_layout.html">QwtDynGridLayout</a> *layout = <span class="keyword">new</span> <a class="code" href="class_qwt_dyn_grid_layout.html">QwtDynGridLayout</a>(
289
<a name="l00273"></a>00273 d_data->view->contentsWidget);
290
<a name="l00274"></a>00274 <span class="preprocessor">#if QT_VERSION < 0x040000</span>
291
<a name="l00275"></a>00275 <span class="preprocessor"></span> layout->setAutoAdd(<span class="keyword">true</span>);
292
<a name="l00276"></a>00276 <span class="preprocessor">#endif</span>
293
<a name="l00277"></a>00277 <span class="preprocessor"></span> layout->setAlignment(Qt::AlignHCenter | Qt::AlignTop);
294
<a name="l00278"></a>00278
295
<a name="l00279"></a>00279 d_data->view->contentsWidget->installEventFilter(<span class="keyword">this</span>);
296
<a name="l00280"></a>00280 }
297
<a name="l00281"></a>00281
298
<a name="l00283"></a><a class="code" href="class_qwt_legend.html#2dd3bc628652909b74e7ddb5db021ea5">00283</a> <a class="code" href="class_qwt_legend.html#2dd3bc628652909b74e7ddb5db021ea5">QwtLegend::~QwtLegend</a>()
299
<a name="l00284"></a>00284 {
300
<a name="l00285"></a>00285 <span class="keyword">delete</span> d_data;
301
<a name="l00286"></a>00286 }
302
<a name="l00287"></a>00287
303
<a name="l00296"></a><a class="code" href="class_qwt_legend.html#37846930eba18ab0d9490a7425ef08d8">00296</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_legend.html#37846930eba18ab0d9490a7425ef08d8">QwtLegend::setDisplayPolicy</a>(<a class="code" href="class_qwt_legend.html#898db0483371da91c694c34502f09ecd">LegendDisplayPolicy</a> policy, <span class="keywordtype">int</span> mode)
304
<a name="l00297"></a>00297 {
305
<a name="l00298"></a>00298 d_data->displayPolicy = policy;
306
<a name="l00299"></a>00299 <span class="keywordflow">if</span> (-1 != mode)
307
<a name="l00300"></a>00300 d_data->identifierMode = mode;
308
<a name="l00301"></a>00301
309
<a name="l00302"></a>00302 QMap<QWidget *, const QwtLegendItemManager *> &map =
310
<a name="l00303"></a>00303 d_data->map.widgetMap();
311
<a name="l00304"></a>00304
312
<a name="l00305"></a>00305 QMap<QWidget *, const QwtLegendItemManager *>::iterator it;
313
<a name="l00306"></a>00306 <span class="keywordflow">for</span> ( it = map.begin(); it != map.end(); ++it )
314
<a name="l00307"></a>00307 {
315
<a name="l00308"></a>00308 #<span class="keywordflow">if</span> QT_VERSION < 0x040000
316
<a name="l00309"></a>00309 <a class="code" href="class_qwt_legend_item_manager.html">QwtLegendItemManager</a> *item = (<a class="code" href="class_qwt_legend_item_manager.html">QwtLegendItemManager</a> *)it.data();
317
<a name="l00310"></a>00310 <span class="preprocessor">#else</span>
318
<a name="l00311"></a>00311 <span class="preprocessor"></span> <a class="code" href="class_qwt_legend_item_manager.html">QwtLegendItemManager</a> *item = (<a class="code" href="class_qwt_legend_item_manager.html">QwtLegendItemManager</a> *)it.value();
319
<a name="l00312"></a>00312 <span class="preprocessor">#endif</span>
320
<a name="l00313"></a>00313 <span class="preprocessor"></span> <span class="keywordflow">if</span> ( item )
321
<a name="l00314"></a>00314 item-><a class="code" href="class_qwt_legend_item_manager.html#f3079561ac797b822d3dbca5390e2e4b">updateLegend</a>(<span class="keyword">this</span>);
322
<a name="l00315"></a>00315 }
323
<a name="l00316"></a>00316 }
324
<a name="l00317"></a>00317
325
<a name="l00324"></a><a class="code" href="class_qwt_legend.html#60873718e29ae36f9b401b11da67e203">00324</a> <a class="code" href="class_qwt_legend.html#898db0483371da91c694c34502f09ecd">QwtLegend::LegendDisplayPolicy</a> <a class="code" href="class_qwt_legend.html#60873718e29ae36f9b401b11da67e203">QwtLegend::displayPolicy</a>()<span class="keyword"> const </span>
326
<a name="l00325"></a>00325 <span class="keyword"></span>{
327
<a name="l00326"></a>00326 <span class="keywordflow">return</span> d_data->displayPolicy;
328
<a name="l00327"></a>00327 }
329
<a name="l00328"></a>00328
330
<a name="l00329"></a><a class="code" href="class_qwt_legend.html#edd86919e56a407bcdd2ae867a672dd1">00329</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_legend.html#edd86919e56a407bcdd2ae867a672dd1">QwtLegend::setItemMode</a>(<a class="code" href="class_qwt_legend.html#b216dd2dba9ebf6cb0ed2dd621a652e0">LegendItemMode</a> mode)
331
<a name="l00330"></a>00330 {
332
<a name="l00331"></a>00331 d_data->itemMode = mode;
333
<a name="l00332"></a>00332 }
334
<a name="l00333"></a>00333
335
<a name="l00334"></a><a class="code" href="class_qwt_legend.html#f3c8c317c6233654b99ed6d4243a55a5">00334</a> <a class="code" href="class_qwt_legend.html#b216dd2dba9ebf6cb0ed2dd621a652e0">QwtLegend::LegendItemMode</a> <a class="code" href="class_qwt_legend.html#f3c8c317c6233654b99ed6d4243a55a5">QwtLegend::itemMode</a>()<span class="keyword"> const</span>
336
<a name="l00335"></a>00335 <span class="keyword"></span>{
337
<a name="l00336"></a>00336 <span class="keywordflow">return</span> d_data->itemMode;
338
<a name="l00337"></a>00337 }
339
<a name="l00338"></a>00338
340
<a name="l00346"></a><a class="code" href="class_qwt_legend.html#3e5214dfc996d687ebe7bbd9f8f54459">00346</a> <span class="keywordtype">int</span> <a class="code" href="class_qwt_legend.html#3e5214dfc996d687ebe7bbd9f8f54459">QwtLegend::identifierMode</a>()<span class="keyword"> const</span>
341
<a name="l00347"></a>00347 <span class="keyword"></span>{
342
<a name="l00348"></a>00348 <span class="keywordflow">return</span> d_data->identifierMode;
343
<a name="l00349"></a>00349 }
344
<a name="l00350"></a>00350
345
<a name="l00355"></a><a class="code" href="class_qwt_legend.html#a52edeceb553ae703516c984f34d7ab7">00355</a> QWidget *<a class="code" href="class_qwt_legend.html#a52edeceb553ae703516c984f34d7ab7">QwtLegend::contentsWidget</a>()
346
<a name="l00356"></a>00356 {
347
<a name="l00357"></a>00357 <span class="keywordflow">return</span> d_data->view->contentsWidget;
348
<a name="l00358"></a>00358 }
349
<a name="l00359"></a>00359
350
<a name="l00360"></a><a class="code" href="class_qwt_legend.html#35e2babbf9e2f0df29f07bdb9230b82d">00360</a> QScrollBar *<a class="code" href="class_qwt_legend.html#35e2babbf9e2f0df29f07bdb9230b82d">QwtLegend::horizontalScrollBar</a>()<span class="keyword"> const</span>
351
<a name="l00361"></a>00361 <span class="keyword"></span>{
352
<a name="l00362"></a>00362 <span class="keywordflow">return</span> d_data->view->horizontalScrollBar();
353
<a name="l00363"></a>00363 }
354
<a name="l00364"></a>00364
355
<a name="l00365"></a><a class="code" href="class_qwt_legend.html#2e567054b220ba850e4c1b7800a2ad82">00365</a> QScrollBar *<a class="code" href="class_qwt_legend.html#2e567054b220ba850e4c1b7800a2ad82">QwtLegend::verticalScrollBar</a>()<span class="keyword"> const</span>
356
<a name="l00366"></a>00366 <span class="keyword"></span>{
357
<a name="l00367"></a>00367 <span class="keywordflow">return</span> d_data->view->horizontalScrollBar();
358
<a name="l00368"></a>00368 }
359
<a name="l00369"></a>00369
360
<a name="l00375"></a><a class="code" href="class_qwt_legend.html#66934c7b4b45c0213fa4cf6fa9e53943">00375</a> <span class="keyword">const</span> QWidget *<a class="code" href="class_qwt_legend.html#a52edeceb553ae703516c984f34d7ab7">QwtLegend::contentsWidget</a>()<span class="keyword"> const </span>
361
<a name="l00376"></a>00376 <span class="keyword"></span>{
362
<a name="l00377"></a>00377 <span class="keywordflow">return</span> d_data->view->contentsWidget;
363
<a name="l00378"></a>00378 }
364
<a name="l00379"></a>00379
365
<a name="l00386"></a><a class="code" href="class_qwt_legend.html#f736d6053c6e891ad4579aa83b1a705d">00386</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_legend.html#f736d6053c6e891ad4579aa83b1a705d">QwtLegend::insert</a>(<span class="keyword">const</span> <a class="code" href="class_qwt_legend_item_manager.html">QwtLegendItemManager</a> *plotItem, QWidget *legendItem)
366
<a name="l00387"></a>00387 {
367
<a name="l00388"></a>00388 <span class="keywordflow">if</span> ( legendItem == NULL || plotItem == NULL )
368
<a name="l00389"></a>00389 <span class="keywordflow">return</span>;
369
<a name="l00390"></a>00390
370
<a name="l00391"></a>00391 QWidget *<a class="code" href="class_qwt_legend.html#a52edeceb553ae703516c984f34d7ab7">contentsWidget</a> = d_data->view->contentsWidget;
371
<a name="l00392"></a>00392
372
<a name="l00393"></a>00393 <span class="keywordflow">if</span> ( legendItem->parent() != contentsWidget )
373
<a name="l00394"></a>00394 {
374
<a name="l00395"></a>00395 #<span class="keywordflow">if</span> QT_VERSION >= 0x040000
375
<a name="l00396"></a>00396 legendItem->setParent(contentsWidget);
376
<a name="l00397"></a>00397 <span class="preprocessor">#else</span>
377
<a name="l00398"></a>00398 <span class="preprocessor"></span> legendItem->reparent(contentsWidget, QPoint(0, 0));
378
<a name="l00399"></a>00399 <span class="preprocessor">#endif</span>
379
<a name="l00400"></a>00400 <span class="preprocessor"></span> }
380
<a name="l00401"></a>00401
381
<a name="l00402"></a>00402 legendItem->show();
382
<a name="l00403"></a>00403
383
<a name="l00404"></a>00404 d_data->map.insert(plotItem, legendItem);
384
<a name="l00405"></a>00405
385
<a name="l00406"></a>00406 <a class="code" href="class_qwt_legend.html#c44118481db62143950a7c74bc2832ab">layoutContents</a>();
386
<a name="l00407"></a>00407
387
<a name="l00408"></a>00408 <span class="keywordflow">if</span> ( contentsWidget->layout() )
388
<a name="l00409"></a>00409 {
389
<a name="l00410"></a>00410 #<span class="keywordflow">if</span> QT_VERSION >= 0x040000
390
<a name="l00411"></a>00411 contentsWidget->layout()->addWidget(legendItem);
391
<a name="l00412"></a>00412 <span class="preprocessor">#endif</span>
392
<a name="l00413"></a>00413 <span class="preprocessor"></span>
393
<a name="l00414"></a>00414 <span class="comment">// set tab focus chain</span>
394
<a name="l00415"></a>00415
395
<a name="l00416"></a>00416 QWidget *w = NULL;
396
<a name="l00417"></a>00417
397
<a name="l00418"></a>00418 <span class="preprocessor">#if QT_VERSION < 0x040000</span>
398
<a name="l00419"></a>00419 <span class="preprocessor"></span> QLayoutIterator layoutIterator =
399
<a name="l00420"></a>00420 contentsWidget->layout()->iterator();
400
<a name="l00421"></a>00421 <span class="keywordflow">for</span> ( QLayoutItem *item = layoutIterator.current();
401
<a name="l00422"></a>00422 item != 0; item = ++layoutIterator)
402
<a name="l00423"></a>00423 {
403
<a name="l00424"></a>00424 #<span class="keywordflow">else</span>
404
<a name="l00425"></a>00425 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < contentsWidget->layout()->count(); i++)
405
<a name="l00426"></a>00426 {
406
<a name="l00427"></a>00427 QLayoutItem *item = contentsWidget->layout()->itemAt(i);
407
<a name="l00428"></a>00428 <span class="preprocessor">#endif</span>
408
<a name="l00429"></a>00429 <span class="preprocessor"></span> <span class="keywordflow">if</span> ( w && item->widget() )
409
<a name="l00430"></a>00430 {
410
<a name="l00431"></a>00431 QWidget::setTabOrder(w, item->widget());
411
<a name="l00432"></a>00432 w = item->widget();
412
<a name="l00433"></a>00433 }
413
<a name="l00434"></a>00434 }
414
<a name="l00435"></a>00435 }
415
<a name="l00436"></a>00436 <span class="keywordflow">if</span> ( parentWidget() && parentWidget()->layout() == NULL )
416
<a name="l00437"></a>00437 {
417
<a name="l00438"></a>00438 <span class="comment">/*</span>
418
<a name="l00439"></a>00439 <span class="comment"> updateGeometry() doesn't post LayoutRequest in certain</span>
419
<a name="l00440"></a>00440 <span class="comment"> situations, like when we are hidden. But we want the</span>
420
<a name="l00441"></a>00441 <span class="comment"> parent widget notified, so it can show/hide the legend</span>
421
<a name="l00442"></a>00442 <span class="comment"> depending on its items.</span>
422
<a name="l00443"></a>00443 <span class="comment"> */</span>
423
<a name="l00444"></a>00444 <span class="preprocessor">#if QT_VERSION < 0x040000</span>
424
<a name="l00445"></a>00445 <span class="preprocessor"></span> QApplication::postEvent(parentWidget(),
425
<a name="l00446"></a>00446 <span class="keyword">new</span> QEvent(QEvent::LayoutHint));
426
<a name="l00447"></a>00447 <span class="preprocessor">#else</span>
427
<a name="l00448"></a>00448 <span class="preprocessor"></span> QApplication::postEvent(parentWidget(),
428
<a name="l00449"></a>00449 <span class="keyword">new</span> QEvent(QEvent::LayoutRequest));
429
<a name="l00450"></a>00450 <span class="preprocessor">#endif</span>
430
<a name="l00451"></a>00451 <span class="preprocessor"></span> }
431
<a name="l00452"></a>00452 }
432
<a name="l00453"></a>00453
433
<a name="l00460"></a><a class="code" href="class_qwt_legend.html#ac522d61f5b3e6864d3e0083da52b83c">00460</a> QWidget *<a class="code" href="class_qwt_legend.html#ac522d61f5b3e6864d3e0083da52b83c">QwtLegend::find</a>(<span class="keyword">const</span> <a class="code" href="class_qwt_legend_item_manager.html">QwtLegendItemManager</a> *plotItem)<span class="keyword"> const</span>
434
<a name="l00461"></a>00461 <span class="keyword"></span>{
435
<a name="l00462"></a>00462 <span class="keywordflow">return</span> d_data->map.find(plotItem);
436
<a name="l00463"></a>00463 }
437
<a name="l00464"></a>00464
438
<a name="l00471"></a><a class="code" href="class_qwt_legend.html#efc3a36bedcc83e683bbfb767a471515">00471</a> <a class="code" href="class_qwt_legend_item_manager.html">QwtLegendItemManager</a> *<a class="code" href="class_qwt_legend.html#ac522d61f5b3e6864d3e0083da52b83c">QwtLegend::find</a>(<span class="keyword">const</span> QWidget *legendItem)<span class="keyword"> const</span>
439
<a name="l00472"></a>00472 <span class="keyword"></span>{
440
<a name="l00473"></a>00473 <span class="keywordflow">return</span> d_data->map.find(legendItem);
441
<a name="l00474"></a>00474 }
442
<a name="l00475"></a>00475
443
<a name="l00482"></a><a class="code" href="class_qwt_legend.html#562535312e3d65616bc63d35a2ec5b7b">00482</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_legend.html#562535312e3d65616bc63d35a2ec5b7b">QwtLegend::remove</a>(<span class="keyword">const</span> <a class="code" href="class_qwt_legend_item_manager.html">QwtLegendItemManager</a> *plotItem)
444
<a name="l00483"></a>00483 {
445
<a name="l00484"></a>00484 QWidget *legendItem = d_data->map.find(plotItem);
446
<a name="l00485"></a>00485 d_data->map.remove(legendItem);
447
<a name="l00486"></a>00486 <span class="keyword">delete</span> legendItem;
448
<a name="l00487"></a>00487 }
449
<a name="l00488"></a>00488
450
<a name="l00490"></a><a class="code" href="class_qwt_legend.html#084177665b32798903176de57d962c6e">00490</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_legend.html#084177665b32798903176de57d962c6e">QwtLegend::clear</a>()
451
<a name="l00491"></a>00491 {
452
<a name="l00492"></a>00492 <span class="preprocessor">#if QT_VERSION < 0x040000</span>
453
<a name="l00493"></a>00493 <span class="preprocessor"></span> <span class="keywordtype">bool</span> doUpdate = isUpdatesEnabled();
454
<a name="l00494"></a>00494 <span class="preprocessor">#else</span>
455
<a name="l00495"></a>00495 <span class="preprocessor"></span> <span class="keywordtype">bool</span> doUpdate = updatesEnabled();
456
<a name="l00496"></a>00496 <span class="preprocessor">#endif</span>
457
<a name="l00497"></a>00497 <span class="preprocessor"></span> setUpdatesEnabled(<span class="keyword">false</span>);
458
<a name="l00498"></a>00498
459
<a name="l00499"></a>00499 d_data->map.clear();
460
<a name="l00500"></a>00500
461
<a name="l00501"></a>00501 setUpdatesEnabled(doUpdate);
462
<a name="l00502"></a>00502 update();
463
<a name="l00503"></a>00503 }
464
<a name="l00504"></a>00504
465
<a name="l00506"></a><a class="code" href="class_qwt_legend.html#e8a77d6e9fce19066d9ff7a77bdb5eff">00506</a> QSize <a class="code" href="class_qwt_legend.html#e8a77d6e9fce19066d9ff7a77bdb5eff">QwtLegend::sizeHint</a>()<span class="keyword"> const</span>
466
<a name="l00507"></a>00507 <span class="keyword"></span>{
467
<a name="l00508"></a>00508 QSize hint = d_data->view->contentsWidget->sizeHint();
468
<a name="l00509"></a>00509 hint += QSize(2 * frameWidth(), 2 * frameWidth());
469
<a name="l00510"></a>00510
470
<a name="l00511"></a>00511 <span class="keywordflow">return</span> hint;
471
<a name="l00512"></a>00512 }
472
<a name="l00513"></a>00513
473
<a name="l00518"></a><a class="code" href="class_qwt_legend.html#ca45d07d5a22984cde5dd83f08213133">00518</a> <span class="keywordtype">int</span> <a class="code" href="class_qwt_legend.html#ca45d07d5a22984cde5dd83f08213133">QwtLegend::heightForWidth</a>(<span class="keywordtype">int</span> width)<span class="keyword"> const</span>
474
<a name="l00519"></a>00519 <span class="keyword"></span>{
475
<a name="l00520"></a>00520 width -= 2 * frameWidth();
476
<a name="l00521"></a>00521
477
<a name="l00522"></a>00522 <span class="keywordtype">int</span> h = d_data->view->contentsWidget->heightForWidth(width);
478
<a name="l00523"></a>00523 <span class="preprocessor">#if QT_VERSION < 0x040000</span>
479
<a name="l00524"></a>00524 <span class="preprocessor"></span>
480
<a name="l00525"></a>00525 <span class="comment">// Asking the layout is the default implementation in Qt4 </span>
481
<a name="l00526"></a>00526
482
<a name="l00527"></a>00527 <span class="keywordflow">if</span> ( h <= 0 )
483
<a name="l00528"></a>00528 {
484
<a name="l00529"></a>00529 QLayout *l = d_data->view->contentsWidget->layout();
485
<a name="l00530"></a>00530 <span class="keywordflow">if</span> ( l && l->hasHeightForWidth() )
486
<a name="l00531"></a>00531 h = l->heightForWidth(width);
487
<a name="l00532"></a>00532 }
488
<a name="l00533"></a>00533 <span class="preprocessor">#endif</span>
489
<a name="l00534"></a>00534 <span class="preprocessor"></span> <span class="keywordflow">if</span> ( h >= 0 )
490
<a name="l00535"></a>00535 h += 2 * frameWidth();
491
<a name="l00536"></a>00536
492
<a name="l00537"></a>00537 <span class="keywordflow">return</span> h;
493
<a name="l00538"></a>00538 }
494
<a name="l00539"></a>00539
495
<a name="l00543"></a><a class="code" href="class_qwt_legend.html#c44118481db62143950a7c74bc2832ab">00543</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_legend.html#c44118481db62143950a7c74bc2832ab">QwtLegend::layoutContents</a>()
496
<a name="l00544"></a>00544 {
497
<a name="l00545"></a>00545 <span class="keyword">const</span> QSize visibleSize = d_data->view->viewport()->size();
498
<a name="l00546"></a>00546
499
<a name="l00547"></a>00547 <span class="keyword">const</span> QLayout *l = d_data->view->contentsWidget->layout();
500
<a name="l00548"></a>00548 <span class="keywordflow">if</span> ( l && l->inherits(<span class="stringliteral">"QwtDynGridLayout"</span>) )
501
<a name="l00549"></a>00549 {
502
<a name="l00550"></a>00550 <span class="keyword">const</span> <a class="code" href="class_qwt_dyn_grid_layout.html">QwtDynGridLayout</a> *tl = (<span class="keyword">const</span> <a class="code" href="class_qwt_dyn_grid_layout.html">QwtDynGridLayout</a> *)l;
503
<a name="l00551"></a>00551
504
<a name="l00552"></a>00552 <span class="keyword">const</span> <span class="keywordtype">int</span> minW = int(tl->maxItemWidth()) + 2 * tl->margin();
505
<a name="l00553"></a>00553
506
<a name="l00554"></a>00554 <span class="keywordtype">int</span> w = qwtMax(visibleSize.width(), minW);
507
<a name="l00555"></a>00555 <span class="keywordtype">int</span> h = qwtMax(tl->heightForWidth(w), visibleSize.height());
508
<a name="l00556"></a>00556
509
<a name="l00557"></a>00557 <span class="keyword">const</span> <span class="keywordtype">int</span> vpWidth = d_data->view->viewportSize(w, h).width();
510
<a name="l00558"></a>00558 <span class="keywordflow">if</span> ( w > vpWidth )
511
<a name="l00559"></a>00559 {
512
<a name="l00560"></a>00560 w = qwtMax(vpWidth, minW);
513
<a name="l00561"></a>00561 h = qwtMax(tl->heightForWidth(w), visibleSize.height());
514
<a name="l00562"></a>00562 }
515
<a name="l00563"></a>00563
516
<a name="l00564"></a>00564 d_data->view->contentsWidget->resize(w, h);
517
<a name="l00565"></a>00565 <span class="preprocessor">#if QT_VERSION < 0x040000</span>
518
<a name="l00566"></a>00566 <span class="preprocessor"></span> d_data->view->resizeContents(w, h);
519
<a name="l00567"></a>00567 <span class="preprocessor">#endif</span>
520
<a name="l00568"></a>00568 <span class="preprocessor"></span> }
521
<a name="l00569"></a>00569 }
522
<a name="l00570"></a>00570
523
<a name="l00571"></a>00571 <span class="comment">/*</span>
524
<a name="l00572"></a>00572 <span class="comment"> Filter layout related events of QwtLegend::contentsWidget().</span>
525
<a name="l00573"></a>00573 <span class="comment"></span>
526
<a name="l00574"></a>00574 <span class="comment"> \param o Object to be filtered</span>
527
<a name="l00575"></a>00575 <span class="comment"> \param e Event</span>
528
<a name="l00576"></a>00576 <span class="comment">*/</span>
529
<a name="l00577"></a>00577
530
<a name="l00578"></a><a class="code" href="class_qwt_legend.html#de86e158b8254fe76d42e85f9808c827">00578</a> <span class="keywordtype">bool</span> <a class="code" href="class_qwt_legend.html#de86e158b8254fe76d42e85f9808c827">QwtLegend::eventFilter</a>(QObject *o, QEvent *e)
531
<a name="l00579"></a>00579 {
532
<a name="l00580"></a>00580 <span class="keywordflow">if</span> ( o == d_data->view->contentsWidget )
533
<a name="l00581"></a>00581 {
534
<a name="l00582"></a>00582 <span class="keywordflow">switch</span>(e->type())
535
<a name="l00583"></a>00583 {
536
<a name="l00584"></a>00584 <span class="keywordflow">case</span> QEvent::ChildRemoved:
537
<a name="l00585"></a>00585 {
538
<a name="l00586"></a>00586 <span class="keyword">const</span> QChildEvent *ce = (<span class="keyword">const</span> QChildEvent *)e;
539
<a name="l00587"></a>00587 <span class="keywordflow">if</span> ( ce->child()->isWidgetType() )
540
<a name="l00588"></a>00588 d_data->map.remove((QWidget *)ce->child());
541
<a name="l00589"></a>00589 <span class="keywordflow">break</span>;
542
<a name="l00590"></a>00590 }
543
<a name="l00591"></a>00591 <span class="preprocessor">#if QT_VERSION < 0x040000</span>
544
<a name="l00592"></a>00592 <span class="preprocessor"></span> <span class="keywordflow">case</span> QEvent::LayoutHint:
545
<a name="l00593"></a>00593 <span class="preprocessor">#else</span>
546
<a name="l00594"></a>00594 <span class="preprocessor"></span> <span class="keywordflow">case</span> QEvent::LayoutRequest:
547
<a name="l00595"></a>00595 <span class="preprocessor">#endif</span>
548
<a name="l00596"></a>00596 <span class="preprocessor"></span> {
549
<a name="l00597"></a>00597 <a class="code" href="class_qwt_legend.html#c44118481db62143950a7c74bc2832ab">layoutContents</a>();
550
<a name="l00598"></a>00598 <span class="keywordflow">break</span>;
551
<a name="l00599"></a>00599 }
552
<a name="l00600"></a>00600 <span class="preprocessor">#if QT_VERSION < 0x040000</span>
553
<a name="l00601"></a>00601 <span class="preprocessor"></span> <span class="keywordflow">case</span> QEvent::Resize:
554
<a name="l00602"></a>00602 {
555
<a name="l00603"></a>00603 updateGeometry();
556
<a name="l00604"></a>00604 <span class="keywordflow">break</span>;
557
<a name="l00605"></a>00605 }
558
<a name="l00606"></a>00606 <span class="preprocessor">#endif</span>
559
<a name="l00607"></a>00607 <span class="preprocessor"></span> <span class="keywordflow">default</span>:
560
<a name="l00608"></a>00608 <span class="keywordflow">break</span>;
561
<a name="l00609"></a>00609 }
562
<a name="l00610"></a>00610 }
563
<a name="l00611"></a>00611
564
<a name="l00612"></a>00612 <span class="keywordflow">return</span> QFrame::eventFilter(o, e);
565
<a name="l00613"></a>00613 }
566
<a name="l00614"></a>00614
567
<a name="l00615"></a>00615
568
<a name="l00617"></a><a class="code" href="class_qwt_legend.html#ced18eb9dc01af9f89da7e52491a9ee1">00617</a> <span class="keywordtype">bool</span> <a class="code" href="class_qwt_legend.html#ced18eb9dc01af9f89da7e52491a9ee1">QwtLegend::isEmpty</a>()<span class="keyword"> const</span>
569
<a name="l00618"></a>00618 <span class="keyword"></span>{
570
<a name="l00619"></a>00619 <span class="keywordflow">return</span> d_data->map.count() == 0;
571
<a name="l00620"></a>00620 }
572
<a name="l00621"></a>00621
573
<a name="l00623"></a><a class="code" href="class_qwt_legend.html#580d8abc257e4d44c969e8623f0b923e">00623</a> uint <a class="code" href="class_qwt_legend.html#580d8abc257e4d44c969e8623f0b923e">QwtLegend::itemCount</a>()<span class="keyword"> const</span>
574
<a name="l00624"></a>00624 <span class="keyword"></span>{
575
<a name="l00625"></a>00625 <span class="keywordflow">return</span> d_data->map.count();
576
<a name="l00626"></a>00626 }
577
<a name="l00627"></a>00627
578
<a name="l00628"></a>00628 <span class="preprocessor">#if QT_VERSION < 0x040000</span>
579
<a name="l00629"></a>00629 <span class="preprocessor"></span>QValueList<QWidget *> <a class="code" href="class_qwt_legend.html#5874b47de81e98d771446ecfe71fd2f7">QwtLegend::legendItems</a>() const
580
<a name="l00630"></a>00630 <span class="preprocessor">#else</span>
581
<a name="l00631"></a><a class="code" href="class_qwt_legend.html#5874b47de81e98d771446ecfe71fd2f7">00631</a> <span class="preprocessor"></span>QList<QWidget *> <a class="code" href="class_qwt_legend.html#5874b47de81e98d771446ecfe71fd2f7">QwtLegend::legendItems</a>() const
582
<a name="l00632"></a>00632 <span class="preprocessor">#endif</span>
583
<a name="l00633"></a>00633 <span class="preprocessor"></span>{
584
<a name="l00634"></a>00634 <span class="keyword">const</span> QMap<QWidget *, const QwtLegendItemManager *> &map =
585
<a name="l00635"></a>00635 d_data->map.widgetMap();
586
<a name="l00636"></a>00636
587
<a name="l00637"></a>00637 <span class="preprocessor">#if QT_VERSION < 0x040000</span>
588
<a name="l00638"></a>00638 <span class="preprocessor"></span> QValueList<QWidget *> list;
589
<a name="l00639"></a>00639 <span class="preprocessor">#else</span>
590
<a name="l00640"></a>00640 <span class="preprocessor"></span> QList<QWidget *> list;
591
<a name="l00641"></a>00641 <span class="preprocessor">#endif</span>
592
<a name="l00642"></a>00642 <span class="preprocessor"></span>
593
<a name="l00643"></a>00643 QMap<QWidget *, const QwtLegendItemManager *>::const_iterator it;
594
<a name="l00644"></a>00644 <span class="keywordflow">for</span> ( it = map.begin(); it != map.end(); ++it )
595
<a name="l00645"></a>00645 list += it.key();
596
<a name="l00646"></a>00646
597
<a name="l00647"></a>00647 <span class="keywordflow">return</span> list;
598
<a name="l00648"></a>00648 }
599
<a name="l00649"></a>00649
600
<a name="l00654"></a><a class="code" href="class_qwt_legend.html#17c7054748f953e6e315068d7f6b39be">00654</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_legend.html#17c7054748f953e6e315068d7f6b39be">QwtLegend::resizeEvent</a>(QResizeEvent *e)
601
<a name="l00655"></a>00655 {
602
<a name="l00656"></a>00656 QFrame::resizeEvent(e);
603
<a name="l00657"></a>00657 d_data->view->setGeometry(contentsRect());
604
<a name="l00658"></a>00658 }
605
</pre></div><hr size="1"><address style="align: right;"><small>Generated on Sat May 24 18:47:39 2008 for Qwt User's Guide by
606
<a href="http://www.doxygen.org/index.html">
607
<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.0 </small></address>
added
removed
qwt-5.1.1/doc/html/qwt__legend_8cpp-source.html
