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<h1>qwt_dyngrid_layout.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="preprocessor">#include <qwidget.h></span>
30
<a name="l00011"></a>00011 <span class="preprocessor">#include "qwt_dyngrid_layout.h"</span>
31
<a name="l00012"></a>00012 <span class="preprocessor">#include "qwt_math.h"</span>
32
<a name="l00013"></a>00013
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 <qvaluelist.h></span>
35
<a name="l00016"></a>00016 <span class="preprocessor">#else</span>
36
<a name="l00017"></a>00017 <span class="preprocessor"></span><span class="preprocessor">#include <qlist.h></span>
37
<a name="l00018"></a>00018 <span class="preprocessor">#endif</span>
38
<a name="l00019"></a>00019 <span class="preprocessor"></span>
39
<a name="l00020"></a>00020 <span class="keyword">class </span>QwtDynGridLayout::PrivateData
40
<a name="l00021"></a>00021 {
41
<a name="l00022"></a>00022 <span class="keyword">public</span>:
42
<a name="l00023"></a>00023
43
<a name="l00024"></a>00024 <span class="preprocessor">#if QT_VERSION < 0x040000</span>
44
<a name="l00025"></a>00025 <span class="preprocessor"></span> <span class="keyword">class </span>LayoutIterator: <span class="keyword">public</span> QGLayoutIterator
45
<a name="l00026"></a>00026 {
46
<a name="l00027"></a>00027 <span class="keyword">public</span>:
47
<a name="l00028"></a>00028 LayoutIterator(PrivateData *data):
48
<a name="l00029"></a>00029 d_data(data)
49
<a name="l00030"></a>00030 {
50
<a name="l00031"></a>00031 d_iterator = d_data->itemList.begin();
51
<a name="l00032"></a>00032 }
52
<a name="l00033"></a>00033
53
<a name="l00034"></a>00034 <span class="keyword">virtual</span> QLayoutItem *current()
54
<a name="l00035"></a>00035 {
55
<a name="l00036"></a>00036 <span class="keywordflow">if</span> (d_iterator == d_data->itemList.end())
56
<a name="l00037"></a>00037 <span class="keywordflow">return</span> NULL;
57
<a name="l00038"></a>00038
58
<a name="l00039"></a>00039 <span class="keywordflow">return</span> *d_iterator;
59
<a name="l00040"></a>00040 }
60
<a name="l00041"></a>00041
61
<a name="l00042"></a>00042 <span class="keyword">virtual</span> QLayoutItem *next()
62
<a name="l00043"></a>00043 {
63
<a name="l00044"></a>00044 <span class="keywordflow">if</span> (d_iterator == d_data->itemList.end())
64
<a name="l00045"></a>00045 <span class="keywordflow">return</span> NULL;
65
<a name="l00046"></a>00046
66
<a name="l00047"></a>00047 d_iterator++;
67
<a name="l00048"></a>00048 <span class="keywordflow">if</span> (d_iterator == d_data->itemList.end())
68
<a name="l00049"></a>00049 <span class="keywordflow">return</span> NULL;
69
<a name="l00050"></a>00050
70
<a name="l00051"></a>00051 <span class="keywordflow">return</span> *d_iterator;
71
<a name="l00052"></a>00052 }
72
<a name="l00053"></a>00053
73
<a name="l00054"></a>00054 <span class="keyword">virtual</span> QLayoutItem *takeCurrent()
74
<a name="l00055"></a>00055 {
75
<a name="l00056"></a>00056 <span class="keywordflow">if</span> ( d_iterator == d_data->itemList.end() )
76
<a name="l00057"></a>00057 <span class="keywordflow">return</span> NULL;
77
<a name="l00058"></a>00058
78
<a name="l00059"></a>00059 QLayoutItem *item = *d_iterator;
79
<a name="l00060"></a>00060
80
<a name="l00061"></a>00061 d_data->isDirty = <span class="keyword">true</span>;
81
<a name="l00062"></a>00062 d_iterator = d_data->itemList.remove(d_iterator);
82
<a name="l00063"></a>00063 <span class="keywordflow">return</span> item;
83
<a name="l00064"></a>00064 }
84
<a name="l00065"></a>00065
85
<a name="l00066"></a>00066 <span class="keyword">private</span>:
86
<a name="l00067"></a>00067
87
<a name="l00068"></a>00068 QValueListIterator<QLayoutItem*> d_iterator;
88
<a name="l00069"></a>00069 QwtDynGridLayout::PrivateData *d_data;
89
<a name="l00070"></a>00070 };
90
<a name="l00071"></a>00071 <span class="preprocessor">#endif</span>
91
<a name="l00072"></a>00072 <span class="preprocessor"></span>
92
<a name="l00073"></a>00073 PrivateData():
93
<a name="l00074"></a>00074 isDirty(true)
94
<a name="l00075"></a>00075 {
95
<a name="l00076"></a>00076 }
96
<a name="l00077"></a>00077
97
<a name="l00078"></a>00078 <span class="preprocessor">#if QT_VERSION < 0x040000</span>
98
<a name="l00079"></a>00079 <span class="preprocessor"></span> <span class="keyword">typedef</span> QValueList<QLayoutItem*> LayoutItemList;
99
<a name="l00080"></a>00080 <span class="preprocessor">#else</span>
100
<a name="l00081"></a>00081 <span class="preprocessor"></span> <span class="keyword">typedef</span> QList<QLayoutItem*> LayoutItemList;
101
<a name="l00082"></a>00082 <span class="preprocessor">#endif</span>
102
<a name="l00083"></a>00083 <span class="preprocessor"></span>
103
<a name="l00084"></a>00084 <span class="keyword">mutable</span> LayoutItemList itemList;
104
<a name="l00085"></a>00085
105
<a name="l00086"></a>00086 uint <a class="code" href="class_qwt_dyn_grid_layout.html#8fdbe1e7dc0db863c7b1cf7a4d71f6b7">maxCols</a>;
106
<a name="l00087"></a>00087 uint <a class="code" href="class_qwt_dyn_grid_layout.html#912f31757155f2a7573a8e2076d248b8">numRows</a>;
107
<a name="l00088"></a>00088 uint <a class="code" href="class_qwt_dyn_grid_layout.html#7e372ab49f9ef5f4c20739d86a324294">numCols</a>;
108
<a name="l00089"></a>00089
109
<a name="l00090"></a>00090 <span class="preprocessor">#if QT_VERSION < 0x040000</span>
110
<a name="l00091"></a>00091 <span class="preprocessor"></span> QSizePolicy::ExpandData expanding;
111
<a name="l00092"></a>00092 <span class="preprocessor">#else</span>
112
<a name="l00093"></a>00093 <span class="preprocessor"></span> Qt::Orientations expanding;
113
<a name="l00094"></a>00094 <span class="preprocessor">#endif</span>
114
<a name="l00095"></a>00095 <span class="preprocessor"></span>
115
<a name="l00096"></a>00096 <span class="keywordtype">bool</span> isDirty;
116
<a name="l00097"></a>00097 QwtArray<QSize> itemSizeHints;
117
<a name="l00098"></a>00098 };
118
<a name="l00099"></a>00099
119
<a name="l00100"></a>00100
120
<a name="l00107"></a><a class="code" href="class_qwt_dyn_grid_layout.html#2079ddcba8442ef9f386556dd9cb8cc6">00107</a> <a class="code" href="class_qwt_dyn_grid_layout.html#2079ddcba8442ef9f386556dd9cb8cc6">QwtDynGridLayout::QwtDynGridLayout</a>(QWidget *parent,
121
<a name="l00108"></a>00108 <span class="keywordtype">int</span> margin, <span class="keywordtype">int</span> spacing):
122
<a name="l00109"></a>00109 QLayout(parent)
123
<a name="l00110"></a>00110 {
124
<a name="l00111"></a>00111 init();
125
<a name="l00112"></a>00112
126
<a name="l00113"></a>00113 setSpacing(spacing);
127
<a name="l00114"></a>00114 setMargin(margin);
128
<a name="l00115"></a>00115 }
129
<a name="l00116"></a>00116
130
<a name="l00117"></a>00117 <span class="preprocessor">#if QT_VERSION < 0x040000</span>
131
<a name="l00118"></a>00118 <span class="preprocessor"></span>
132
<a name="l00122"></a>00122 <a class="code" href="class_qwt_dyn_grid_layout.html#2079ddcba8442ef9f386556dd9cb8cc6">QwtDynGridLayout::QwtDynGridLayout</a>(QLayout *parent, <span class="keywordtype">int</span> spacing):
133
<a name="l00123"></a>00123 QLayout(parent, spacing)
134
<a name="l00124"></a>00124 {
135
<a name="l00125"></a>00125 init();
136
<a name="l00126"></a>00126 }
137
<a name="l00127"></a>00127 <span class="preprocessor">#endif</span>
138
<a name="l00128"></a>00128 <span class="preprocessor"></span>
139
<a name="l00133"></a><a class="code" href="class_qwt_dyn_grid_layout.html#05d45c0928702e37da3497626b0f7c93">00133</a> <a class="code" href="class_qwt_dyn_grid_layout.html#2079ddcba8442ef9f386556dd9cb8cc6">QwtDynGridLayout::QwtDynGridLayout</a>(<span class="keywordtype">int</span> spacing)
140
<a name="l00134"></a>00134 {
141
<a name="l00135"></a>00135 init();
142
<a name="l00136"></a>00136 setSpacing(spacing);
143
<a name="l00137"></a>00137 }
144
<a name="l00138"></a>00138
145
<a name="l00142"></a>00142 <span class="keywordtype">void</span> QwtDynGridLayout::init()
146
<a name="l00143"></a>00143 {
147
<a name="l00144"></a>00144 d_data = <span class="keyword">new</span> QwtDynGridLayout::PrivateData;
148
<a name="l00145"></a>00145 d_data->maxCols = d_data->numRows
149
<a name="l00146"></a>00146 = d_data->numCols = 0;
150
<a name="l00147"></a>00147
151
<a name="l00148"></a>00148 <span class="preprocessor">#if QT_VERSION < 0x040000</span>
152
<a name="l00149"></a>00149 <span class="preprocessor"></span> d_data->expanding = QSizePolicy::NoDirection;
153
<a name="l00150"></a>00150 setSupportsMargin(<span class="keyword">true</span>);
154
<a name="l00151"></a>00151 <span class="preprocessor">#else</span>
155
<a name="l00152"></a>00152 <span class="preprocessor"></span> d_data->expanding = 0;
156
<a name="l00153"></a>00153 <span class="preprocessor">#endif</span>
157
<a name="l00154"></a>00154 <span class="preprocessor"></span>}
158
<a name="l00155"></a>00155
159
<a name="l00157"></a>00157
160
<a name="l00158"></a><a class="code" href="class_qwt_dyn_grid_layout.html#bb583f302fbf5d92b306841d414e52a4">00158</a> <a class="code" href="class_qwt_dyn_grid_layout.html#bb583f302fbf5d92b306841d414e52a4">QwtDynGridLayout::~QwtDynGridLayout</a>()
161
<a name="l00159"></a>00159 {
162
<a name="l00160"></a>00160 <span class="preprocessor">#if QT_VERSION < 0x040000</span>
163
<a name="l00161"></a>00161 <span class="preprocessor"></span> deleteAllItems();
164
<a name="l00162"></a>00162 <span class="preprocessor">#endif</span>
165
<a name="l00163"></a>00163 <span class="preprocessor"></span>
166
<a name="l00164"></a>00164 <span class="keyword">delete</span> d_data;
167
<a name="l00165"></a>00165 }
168
<a name="l00166"></a>00166
169
<a name="l00167"></a><a class="code" href="class_qwt_dyn_grid_layout.html#cb55e24d5bc569c9822110d538e3a82e">00167</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_dyn_grid_layout.html#cb55e24d5bc569c9822110d538e3a82e">QwtDynGridLayout::invalidate</a>()
170
<a name="l00168"></a>00168 {
171
<a name="l00169"></a>00169 d_data->isDirty = <span class="keyword">true</span>;
172
<a name="l00170"></a>00170 QLayout::invalidate();
173
<a name="l00171"></a>00171 }
174
<a name="l00172"></a>00172
175
<a name="l00173"></a>00173 <span class="keywordtype">void</span> QwtDynGridLayout::updateLayoutCache()
176
<a name="l00174"></a>00174 {
177
<a name="l00175"></a>00175 d_data->itemSizeHints.resize(<a class="code" href="class_qwt_dyn_grid_layout.html#bc8630cd39eb75e12a9c38beac670783">itemCount</a>());
178
<a name="l00176"></a>00176
179
<a name="l00177"></a>00177 <span class="keywordtype">int</span> index = 0;
180
<a name="l00178"></a>00178
181
<a name="l00179"></a>00179 <span class="keywordflow">for</span> (PrivateData::LayoutItemList::iterator it = d_data->itemList.begin();
182
<a name="l00180"></a>00180 it != d_data->itemList.end(); ++it, index++)
183
<a name="l00181"></a>00181 {
184
<a name="l00182"></a>00182 d_data->itemSizeHints[<span class="keywordtype">int</span>(index)] = (*it)->sizeHint();
185
<a name="l00183"></a>00183 }
186
<a name="l00184"></a>00184
187
<a name="l00185"></a>00185 d_data->isDirty = <span class="keyword">false</span>;
188
<a name="l00186"></a>00186 }
189
<a name="l00187"></a>00187
190
<a name="l00194"></a><a class="code" href="class_qwt_dyn_grid_layout.html#edec17be16b997ecd1acff8424e02843">00194</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_dyn_grid_layout.html#edec17be16b997ecd1acff8424e02843">QwtDynGridLayout::setMaxCols</a>(uint maxCols)
191
<a name="l00195"></a>00195 {
192
<a name="l00196"></a>00196 d_data->maxCols = maxCols;
193
<a name="l00197"></a>00197 }
194
<a name="l00198"></a>00198
195
<a name="l00205"></a><a class="code" href="class_qwt_dyn_grid_layout.html#8fdbe1e7dc0db863c7b1cf7a4d71f6b7">00205</a> uint <a class="code" href="class_qwt_dyn_grid_layout.html#8fdbe1e7dc0db863c7b1cf7a4d71f6b7">QwtDynGridLayout::maxCols</a>()<span class="keyword"> const </span>
196
<a name="l00206"></a>00206 <span class="keyword"></span>{
197
<a name="l00207"></a>00207 <span class="keywordflow">return</span> d_data->maxCols;
198
<a name="l00208"></a>00208 }
199
<a name="l00209"></a>00209
200
<a name="l00211"></a>00211
201
<a name="l00212"></a><a class="code" href="class_qwt_dyn_grid_layout.html#3ac3ace65c84e16fba7fe83cd795eea1">00212</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_dyn_grid_layout.html#3ac3ace65c84e16fba7fe83cd795eea1">QwtDynGridLayout::addItem</a>(QLayoutItem *item)
202
<a name="l00213"></a>00213 {
203
<a name="l00214"></a>00214 d_data->itemList.append(item);
204
<a name="l00215"></a>00215 <a class="code" href="class_qwt_dyn_grid_layout.html#cb55e24d5bc569c9822110d538e3a82e">invalidate</a>();
205
<a name="l00216"></a>00216 }
206
<a name="l00217"></a>00217
207
<a name="l00222"></a><a class="code" href="class_qwt_dyn_grid_layout.html#9f2eeeb0220e669cf07f45c42ee6e007">00222</a> <span class="keywordtype">bool</span> <a class="code" href="class_qwt_dyn_grid_layout.html#9f2eeeb0220e669cf07f45c42ee6e007">QwtDynGridLayout::isEmpty</a>()<span class="keyword"> const</span>
208
<a name="l00223"></a>00223 <span class="keyword"></span>{
209
<a name="l00224"></a>00224 <span class="keywordflow">return</span> d_data->itemList.isEmpty();
210
<a name="l00225"></a>00225 }
211
<a name="l00226"></a>00226
212
<a name="l00231"></a><a class="code" href="class_qwt_dyn_grid_layout.html#bc8630cd39eb75e12a9c38beac670783">00231</a> uint <a class="code" href="class_qwt_dyn_grid_layout.html#bc8630cd39eb75e12a9c38beac670783">QwtDynGridLayout::itemCount</a>()<span class="keyword"> const</span>
213
<a name="l00232"></a>00232 <span class="keyword"></span>{
214
<a name="l00233"></a>00233 <span class="keywordflow">return</span> d_data->itemList.count();
215
<a name="l00234"></a>00234 }
216
<a name="l00235"></a>00235
217
<a name="l00236"></a>00236 <span class="preprocessor">#if QT_VERSION < 0x040000</span>
218
<a name="l00237"></a>00237 <span class="preprocessor"></span>
219
<a name="l00241"></a>00241 QLayoutIterator QwtDynGridLayout::iterator()
220
<a name="l00242"></a>00242 {
221
<a name="l00243"></a>00243 <span class="keywordflow">return</span> QLayoutIterator(
222
<a name="l00244"></a>00244 <span class="keyword">new</span> QwtDynGridLayout::PrivateData::LayoutIterator(d_data) );
223
<a name="l00245"></a>00245 }
224
<a name="l00246"></a>00246
225
<a name="l00255"></a>00255 <span class="keywordtype">void</span> QwtDynGridLayout::setExpanding(QSizePolicy::ExpandData expanding)
226
<a name="l00256"></a>00256 {
227
<a name="l00257"></a>00257 d_data->expanding = expanding;
228
<a name="l00258"></a>00258 }
229
<a name="l00259"></a>00259
230
<a name="l00268"></a>00268 QSizePolicy::ExpandData QwtDynGridLayout::expanding()<span class="keyword"> const</span>
231
<a name="l00269"></a>00269 <span class="keyword"></span>{
232
<a name="l00270"></a>00270 <span class="keywordflow">return</span> d_data->expanding;
233
<a name="l00271"></a>00271 }
234
<a name="l00272"></a>00272
235
<a name="l00273"></a>00273 <span class="preprocessor">#else // QT_VERSION >= 0x040000</span>
236
<a name="l00274"></a>00274 <span class="preprocessor"></span>
237
<a name="l00275"></a><a class="code" href="class_qwt_dyn_grid_layout.html#959736cf9f01da694f399ca4aa574f6d">00275</a> QLayoutItem *<a class="code" href="class_qwt_dyn_grid_layout.html#959736cf9f01da694f399ca4aa574f6d">QwtDynGridLayout::itemAt</a>( <span class="keywordtype">int</span> index )<span class="keyword"> const</span>
238
<a name="l00276"></a>00276 <span class="keyword"></span>{
239
<a name="l00277"></a>00277 <span class="keywordflow">if</span> ( index < 0 || index >= d_data->itemList.count() )
240
<a name="l00278"></a>00278 <span class="keywordflow">return</span> NULL;
241
<a name="l00279"></a>00279
242
<a name="l00280"></a>00280 <span class="keywordflow">return</span> d_data->itemList.at(index);
243
<a name="l00281"></a>00281 }
244
<a name="l00282"></a>00282
245
<a name="l00283"></a><a class="code" href="class_qwt_dyn_grid_layout.html#d16c097bc1563eb1587e12789498bac9">00283</a> QLayoutItem *<a class="code" href="class_qwt_dyn_grid_layout.html#d16c097bc1563eb1587e12789498bac9">QwtDynGridLayout::takeAt</a>( <span class="keywordtype">int</span> index )
246
<a name="l00284"></a>00284 {
247
<a name="l00285"></a>00285 <span class="keywordflow">if</span> ( index < 0 || index >= d_data->itemList.count() )
248
<a name="l00286"></a>00286 <span class="keywordflow">return</span> NULL;
249
<a name="l00287"></a>00287
250
<a name="l00288"></a>00288 d_data->isDirty = <span class="keyword">true</span>;
251
<a name="l00289"></a>00289 <span class="keywordflow">return</span> d_data->itemList.takeAt(index);
252
<a name="l00290"></a>00290 }
253
<a name="l00291"></a>00291
254
<a name="l00292"></a><a class="code" href="class_qwt_dyn_grid_layout.html#709b5884f18502b8b421015372d0a9d2">00292</a> <span class="keywordtype">int</span> <a class="code" href="class_qwt_dyn_grid_layout.html#709b5884f18502b8b421015372d0a9d2">QwtDynGridLayout::count</a>()<span class="keyword"> const</span>
255
<a name="l00293"></a>00293 <span class="keyword"></span>{
256
<a name="l00294"></a>00294 <span class="keywordflow">return</span> d_data->itemList.count();
257
<a name="l00295"></a>00295 }
258
<a name="l00296"></a>00296
259
<a name="l00297"></a><a class="code" href="class_qwt_dyn_grid_layout.html#56cd48dda979428402dd39d470674dee">00297</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_dyn_grid_layout.html#56cd48dda979428402dd39d470674dee">QwtDynGridLayout::setExpandingDirections</a>(Qt::Orientations expanding)
260
<a name="l00298"></a>00298 {
261
<a name="l00299"></a>00299 d_data->expanding = expanding;
262
<a name="l00300"></a>00300 }
263
<a name="l00301"></a>00301
264
<a name="l00302"></a><a class="code" href="class_qwt_dyn_grid_layout.html#311207e2bec81a2b8c722544ecc988e3">00302</a> Qt::Orientations <a class="code" href="class_qwt_dyn_grid_layout.html#311207e2bec81a2b8c722544ecc988e3">QwtDynGridLayout::expandingDirections</a>()<span class="keyword"> const</span>
265
<a name="l00303"></a>00303 <span class="keyword"></span>{
266
<a name="l00304"></a>00304 <span class="keywordflow">return</span> d_data->expanding;
267
<a name="l00305"></a>00305 }
268
<a name="l00306"></a>00306
269
<a name="l00307"></a>00307 <span class="preprocessor">#endif</span>
270
<a name="l00308"></a>00308 <span class="preprocessor"></span>
271
<a name="l00314"></a><a class="code" href="class_qwt_dyn_grid_layout.html#fdf23bb94de5258f14fb077b39a64391">00314</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_dyn_grid_layout.html#fdf23bb94de5258f14fb077b39a64391">QwtDynGridLayout::setGeometry</a>(<span class="keyword">const</span> QRect &rect)
272
<a name="l00315"></a>00315 {
273
<a name="l00316"></a>00316 QLayout::setGeometry(rect);
274
<a name="l00317"></a>00317
275
<a name="l00318"></a>00318 <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_dyn_grid_layout.html#9f2eeeb0220e669cf07f45c42ee6e007">isEmpty</a>() )
276
<a name="l00319"></a>00319 <span class="keywordflow">return</span>;
277
<a name="l00320"></a>00320
278
<a name="l00321"></a>00321 d_data->numCols = <a class="code" href="class_qwt_dyn_grid_layout.html#27f533700d504f931753cec818d2ebdd">columnsForWidth</a>(rect.width());
279
<a name="l00322"></a>00322 d_data->numRows = <a class="code" href="class_qwt_dyn_grid_layout.html#bc8630cd39eb75e12a9c38beac670783">itemCount</a>() / d_data->numCols;
280
<a name="l00323"></a>00323 <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_dyn_grid_layout.html#bc8630cd39eb75e12a9c38beac670783">itemCount</a>() % d_data->numCols )
281
<a name="l00324"></a>00324 d_data->numRows++;
282
<a name="l00325"></a>00325
283
<a name="l00326"></a>00326 <span class="preprocessor">#if QT_VERSION < 0x040000</span>
284
<a name="l00327"></a>00327 <span class="preprocessor"></span> QValueList<QRect> itemGeometries = <a class="code" href="class_qwt_dyn_grid_layout.html#25b469e49d37e430a94f3ecb28ee8d80">layoutItems</a>(rect, d_data->numCols);
285
<a name="l00328"></a>00328 <span class="preprocessor">#else</span>
286
<a name="l00329"></a>00329 <span class="preprocessor"></span> QList<QRect> itemGeometries = <a class="code" href="class_qwt_dyn_grid_layout.html#25b469e49d37e430a94f3ecb28ee8d80">layoutItems</a>(rect, d_data->numCols);
287
<a name="l00330"></a>00330 <span class="preprocessor">#endif</span>
288
<a name="l00331"></a>00331 <span class="preprocessor"></span>
289
<a name="l00332"></a>00332 <span class="keywordtype">int</span> index = 0;
290
<a name="l00333"></a>00333 <span class="keywordflow">for</span> (PrivateData::LayoutItemList::iterator it = d_data->itemList.begin();
291
<a name="l00334"></a>00334 it != d_data->itemList.end(); ++it)
292
<a name="l00335"></a>00335 {
293
<a name="l00336"></a>00336 QWidget *w = (*it)->widget();
294
<a name="l00337"></a>00337 <span class="keywordflow">if</span> ( w )
295
<a name="l00338"></a>00338 {
296
<a name="l00339"></a>00339 w->setGeometry(itemGeometries[index]);
297
<a name="l00340"></a>00340 index++;
298
<a name="l00341"></a>00341 }
299
<a name="l00342"></a>00342 }
300
<a name="l00343"></a>00343 }
301
<a name="l00344"></a>00344
302
<a name="l00353"></a><a class="code" href="class_qwt_dyn_grid_layout.html#27f533700d504f931753cec818d2ebdd">00353</a> uint <a class="code" href="class_qwt_dyn_grid_layout.html#27f533700d504f931753cec818d2ebdd">QwtDynGridLayout::columnsForWidth</a>(<span class="keywordtype">int</span> width)<span class="keyword"> const</span>
303
<a name="l00354"></a>00354 <span class="keyword"></span>{
304
<a name="l00355"></a>00355 <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_dyn_grid_layout.html#9f2eeeb0220e669cf07f45c42ee6e007">isEmpty</a>() )
305
<a name="l00356"></a>00356 <span class="keywordflow">return</span> 0;
306
<a name="l00357"></a>00357
307
<a name="l00358"></a>00358 <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="class_qwt_dyn_grid_layout.html#8fdbe1e7dc0db863c7b1cf7a4d71f6b7">maxCols</a> = (d_data->maxCols > 0) ? d_data->maxCols : <a class="code" href="class_qwt_dyn_grid_layout.html#bc8630cd39eb75e12a9c38beac670783">itemCount</a>();
308
<a name="l00359"></a>00359 <span class="keywordflow">if</span> ( maxRowWidth(maxCols) <= width )
309
<a name="l00360"></a>00360 <span class="keywordflow">return</span> maxCols;
310
<a name="l00361"></a>00361
311
<a name="l00362"></a>00362 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> <a class="code" href="class_qwt_dyn_grid_layout.html#7e372ab49f9ef5f4c20739d86a324294">numCols</a> = 2; <a class="code" href="class_qwt_dyn_grid_layout.html#7e372ab49f9ef5f4c20739d86a324294">numCols</a> <= maxCols; <a class="code" href="class_qwt_dyn_grid_layout.html#7e372ab49f9ef5f4c20739d86a324294">numCols</a>++ )
312
<a name="l00363"></a>00363 {
313
<a name="l00364"></a>00364 <span class="keyword">const</span> <span class="keywordtype">int</span> rowWidth = maxRowWidth(<a class="code" href="class_qwt_dyn_grid_layout.html#7e372ab49f9ef5f4c20739d86a324294">numCols</a>);
314
<a name="l00365"></a>00365 <span class="keywordflow">if</span> ( rowWidth > width )
315
<a name="l00366"></a>00366 <span class="keywordflow">return</span> <a class="code" href="class_qwt_dyn_grid_layout.html#7e372ab49f9ef5f4c20739d86a324294">numCols</a> - 1;
316
<a name="l00367"></a>00367 }
317
<a name="l00368"></a>00368
318
<a name="l00369"></a>00369 <span class="keywordflow">return</span> 1; <span class="comment">// At least 1 column</span>
319
<a name="l00370"></a>00370 }
320
<a name="l00371"></a>00371
321
<a name="l00379"></a>00379 <span class="keywordtype">int</span> QwtDynGridLayout::maxRowWidth(<span class="keywordtype">int</span> numCols)<span class="keyword"> const</span>
322
<a name="l00380"></a>00380 <span class="keyword"></span>{
323
<a name="l00381"></a>00381 <span class="keywordtype">int</span> col;
324
<a name="l00382"></a>00382
325
<a name="l00383"></a>00383 QwtArray<int> colWidth(numCols);
326
<a name="l00384"></a>00384 <span class="keywordflow">for</span> ( col = 0; col < (int)numCols; col++ )
327
<a name="l00385"></a>00385 colWidth[col] = 0;
328
<a name="l00386"></a>00386
329
<a name="l00387"></a>00387 <span class="keywordflow">if</span> ( d_data->isDirty )
330
<a name="l00388"></a>00388 ((<a class="code" href="class_qwt_dyn_grid_layout.html">QwtDynGridLayout</a>*)<span class="keyword">this</span>)->updateLayoutCache();
331
<a name="l00389"></a>00389
332
<a name="l00390"></a>00390 <span class="keywordflow">for</span> ( uint index = 0;
333
<a name="l00391"></a>00391 index < (uint)d_data->itemSizeHints.count(); index++ )
334
<a name="l00392"></a>00392 {
335
<a name="l00393"></a>00393 col = index % numCols;
336
<a name="l00394"></a>00394 colWidth[col] = qwtMax(colWidth[col],
337
<a name="l00395"></a>00395 d_data->itemSizeHints[<span class="keywordtype">int</span>(index)].width());
338
<a name="l00396"></a>00396 }
339
<a name="l00397"></a>00397
340
<a name="l00398"></a>00398 <span class="keywordtype">int</span> rowWidth = 2 * margin() + (numCols - 1) * spacing();
341
<a name="l00399"></a>00399 <span class="keywordflow">for</span> ( col = 0; col < (int)numCols; col++ )
342
<a name="l00400"></a>00400 rowWidth += colWidth[col];
343
<a name="l00401"></a>00401
344
<a name="l00402"></a>00402 <span class="keywordflow">return</span> rowWidth;
345
<a name="l00403"></a>00403 }
346
<a name="l00404"></a>00404
347
<a name="l00409"></a><a class="code" href="class_qwt_dyn_grid_layout.html#4f59bc630006261cf3d82609e9513add">00409</a> <span class="keywordtype">int</span> <a class="code" href="class_qwt_dyn_grid_layout.html#4f59bc630006261cf3d82609e9513add">QwtDynGridLayout::maxItemWidth</a>()<span class="keyword"> const</span>
348
<a name="l00410"></a>00410 <span class="keyword"></span>{
349
<a name="l00411"></a>00411 <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_dyn_grid_layout.html#9f2eeeb0220e669cf07f45c42ee6e007">isEmpty</a>() )
350
<a name="l00412"></a>00412 <span class="keywordflow">return</span> 0;
351
<a name="l00413"></a>00413
352
<a name="l00414"></a>00414 <span class="keywordflow">if</span> ( d_data->isDirty )
353
<a name="l00415"></a>00415 ((<a class="code" href="class_qwt_dyn_grid_layout.html">QwtDynGridLayout</a>*)<span class="keyword">this</span>)->updateLayoutCache();
354
<a name="l00416"></a>00416
355
<a name="l00417"></a>00417 <span class="keywordtype">int</span> w = 0;
356
<a name="l00418"></a>00418 <span class="keywordflow">for</span> ( uint i = 0; i < (uint)d_data->itemSizeHints.count(); i++ )
357
<a name="l00419"></a>00419 {
358
<a name="l00420"></a>00420 <span class="keyword">const</span> <span class="keywordtype">int</span> itemW = d_data->itemSizeHints[<span class="keywordtype">int</span>(i)].width();
359
<a name="l00421"></a>00421 <span class="keywordflow">if</span> ( itemW > w )
360
<a name="l00422"></a>00422 w = itemW;
361
<a name="l00423"></a>00423 }
362
<a name="l00424"></a>00424
363
<a name="l00425"></a>00425 <span class="keywordflow">return</span> w;
364
<a name="l00426"></a>00426 }
365
<a name="l00427"></a>00427
366
<a name="l00436"></a>00436 <span class="preprocessor">#if QT_VERSION < 0x040000</span>
367
<a name="l00437"></a>00437 <span class="preprocessor"></span>QValueList<QRect> <a class="code" href="class_qwt_dyn_grid_layout.html#25b469e49d37e430a94f3ecb28ee8d80">QwtDynGridLayout::layoutItems</a>(<span class="keyword">const</span> QRect &rect,
368
<a name="l00438"></a>00438 uint numCols) <span class="keyword">const</span>
369
<a name="l00439"></a>00439 <span class="preprocessor">#else</span>
370
<a name="l00440"></a><a class="code" href="class_qwt_dyn_grid_layout.html#25b469e49d37e430a94f3ecb28ee8d80">00440</a> <span class="preprocessor"></span>QList<QRect> <a class="code" href="class_qwt_dyn_grid_layout.html#25b469e49d37e430a94f3ecb28ee8d80">QwtDynGridLayout::layoutItems</a>(<span class="keyword">const</span> QRect &rect,
371
<a name="l00441"></a>00441 uint numCols) <span class="keyword">const</span>
372
<a name="l00442"></a>00442 <span class="preprocessor">#endif</span>
373
<a name="l00443"></a>00443 <span class="preprocessor"></span>{
374
<a name="l00444"></a>00444 <span class="preprocessor">#if QT_VERSION < 0x040000</span>
375
<a name="l00445"></a>00445 <span class="preprocessor"></span> QValueList<QRect> itemGeometries;
376
<a name="l00446"></a>00446 <span class="preprocessor">#else</span>
377
<a name="l00447"></a>00447 <span class="preprocessor"></span> QList<QRect> itemGeometries;
378
<a name="l00448"></a>00448 <span class="preprocessor">#endif</span>
379
<a name="l00449"></a>00449 <span class="preprocessor"></span> <span class="keywordflow">if</span> ( numCols == 0 || isEmpty() )
380
<a name="l00450"></a>00450 <span class="keywordflow">return</span> itemGeometries;
381
<a name="l00451"></a>00451
382
<a name="l00452"></a>00452 uint numRows = itemCount() / numCols;
383
<a name="l00453"></a>00453 <span class="keywordflow">if</span> ( numRows % itemCount() )
384
<a name="l00454"></a>00454 numRows++;
385
<a name="l00455"></a>00455
386
<a name="l00456"></a>00456 QwtArray<int> rowHeight(numRows);
387
<a name="l00457"></a>00457 QwtArray<int> colWidth(numCols);
388
<a name="l00458"></a>00458
389
<a name="l00459"></a>00459 layoutGrid(numCols, rowHeight, colWidth);
390
<a name="l00460"></a>00460
391
<a name="l00461"></a>00461 <span class="keywordtype">bool</span> expandH, expandV;
392
<a name="l00462"></a>00462 <span class="preprocessor">#if QT_VERSION >= 0x040000</span>
393
<a name="l00463"></a>00463 <span class="preprocessor"></span> expandH = expandingDirections() & Qt::Horizontal;
394
<a name="l00464"></a>00464 expandV = expandingDirections() & Qt::Vertical;
395
<a name="l00465"></a>00465 <span class="preprocessor">#else</span>
396
<a name="l00466"></a>00466 <span class="preprocessor"></span> expandH = expanding() & QSizePolicy::Horizontally;
397
<a name="l00467"></a>00467 expandV = expanding() & QSizePolicy::Vertically;
398
<a name="l00468"></a>00468 <span class="preprocessor">#endif</span>
399
<a name="l00469"></a>00469 <span class="preprocessor"></span>
400
<a name="l00470"></a>00470 <span class="keywordflow">if</span> ( expandH || expandV )
401
<a name="l00471"></a>00471 stretchGrid(rect, numCols, rowHeight, colWidth);
402
<a name="l00472"></a>00472
403
<a name="l00473"></a>00473 <a class="code" href="class_qwt_dyn_grid_layout.html">QwtDynGridLayout</a> *that = (<a class="code" href="class_qwt_dyn_grid_layout.html">QwtDynGridLayout</a> *)<span class="keyword">this</span>;
404
<a name="l00474"></a>00474 <span class="keyword">const</span> <span class="keywordtype">int</span> maxCols = d_data->maxCols;
405
<a name="l00475"></a>00475 that-><a class="code" href="class_qwt_dyn_grid_layout.html#1a671a26ef8060bbb7306f90837f0a00">d_data</a>->maxCols = numCols;
406
<a name="l00476"></a>00476 <span class="keyword">const</span> QRect alignedRect = alignmentRect(rect);
407
<a name="l00477"></a>00477 that-><a class="code" href="class_qwt_dyn_grid_layout.html#1a671a26ef8060bbb7306f90837f0a00">d_data</a>->maxCols = maxCols;
408
<a name="l00478"></a>00478
409
<a name="l00479"></a>00479 <span class="keyword">const</span> <span class="keywordtype">int</span> xOffset = expandH ? 0 : alignedRect.x();
410
<a name="l00480"></a>00480 <span class="keyword">const</span> <span class="keywordtype">int</span> yOffset = expandV ? 0 : alignedRect.y();
411
<a name="l00481"></a>00481
412
<a name="l00482"></a>00482 QwtArray<int> colX(numCols);
413
<a name="l00483"></a>00483 QwtArray<int> rowY(numRows);
414
<a name="l00484"></a>00484
415
<a name="l00485"></a>00485 <span class="keyword">const</span> <span class="keywordtype">int</span> xySpace = spacing();
416
<a name="l00486"></a>00486
417
<a name="l00487"></a>00487 rowY[0] = yOffset + margin();
418
<a name="l00488"></a>00488 <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> r = 1; r < (int)numRows; r++ )
419
<a name="l00489"></a>00489 rowY[r] = rowY[r-1] + rowHeight[r-1] + xySpace;
420
<a name="l00490"></a>00490
421
<a name="l00491"></a>00491 colX[0] = xOffset + margin();
422
<a name="l00492"></a>00492 <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> c = 1; c < (int)numCols; c++ )
423
<a name="l00493"></a>00493 colX[c] = colX[c-1] + colWidth[c-1] + xySpace;
424
<a name="l00494"></a>00494
425
<a name="l00495"></a>00495 <span class="keyword">const</span> <span class="keywordtype">int</span> itemCount = d_data->itemList.size();
426
<a name="l00496"></a>00496 <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i < itemCount; i++ )
427
<a name="l00497"></a>00497 {
428
<a name="l00498"></a>00498 <span class="keyword">const</span> <span class="keywordtype">int</span> row = i / numCols;
429
<a name="l00499"></a>00499 <span class="keyword">const</span> <span class="keywordtype">int</span> col = i % numCols;
430
<a name="l00500"></a>00500
431
<a name="l00501"></a>00501 QRect itemGeometry(colX[col], rowY[row],
432
<a name="l00502"></a>00502 colWidth[col], rowHeight[row]);
433
<a name="l00503"></a>00503 itemGeometries.append(itemGeometry);
434
<a name="l00504"></a>00504 }
435
<a name="l00505"></a>00505
436
<a name="l00506"></a>00506 <span class="keywordflow">return</span> itemGeometries;
437
<a name="l00507"></a>00507 }
438
<a name="l00508"></a>00508
439
<a name="l00509"></a>00509
440
<a name="l00518"></a><a class="code" href="class_qwt_dyn_grid_layout.html#a2b7d34f7f24340c6944b821b6fd4e91">00518</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_dyn_grid_layout.html#a2b7d34f7f24340c6944b821b6fd4e91">QwtDynGridLayout::layoutGrid</a>(uint numCols,
441
<a name="l00519"></a>00519 QwtArray<int>& rowHeight, QwtArray<int>& colWidth)<span class="keyword"> const</span>
442
<a name="l00520"></a>00520 <span class="keyword"></span>{
443
<a name="l00521"></a>00521 <span class="keywordflow">if</span> ( numCols <= 0 )
444
<a name="l00522"></a>00522 <span class="keywordflow">return</span>;
445
<a name="l00523"></a>00523
446
<a name="l00524"></a>00524 <span class="keywordflow">if</span> ( d_data->isDirty )
447
<a name="l00525"></a>00525 ((<a class="code" href="class_qwt_dyn_grid_layout.html">QwtDynGridLayout</a>*)<span class="keyword">this</span>)->updateLayoutCache();
448
<a name="l00526"></a>00526
449
<a name="l00527"></a>00527 <span class="keywordflow">for</span> ( uint index = 0;
450
<a name="l00528"></a>00528 index < (uint)d_data->itemSizeHints.count(); index++ )
451
<a name="l00529"></a>00529 {
452
<a name="l00530"></a>00530 <span class="keyword">const</span> <span class="keywordtype">int</span> row = index / numCols;
453
<a name="l00531"></a>00531 <span class="keyword">const</span> <span class="keywordtype">int</span> col = index % numCols;
454
<a name="l00532"></a>00532
455
<a name="l00533"></a>00533 <span class="keyword">const</span> QSize &size = d_data->itemSizeHints[int(index)];
456
<a name="l00534"></a>00534
457
<a name="l00535"></a>00535 rowHeight[row] = (col == 0)
458
<a name="l00536"></a>00536 ? size.height() : qwtMax(rowHeight[row], size.height());
459
<a name="l00537"></a>00537 colWidth[col] = (row == 0)
460
<a name="l00538"></a>00538 ? size.width() : qwtMax(colWidth[col], size.width());
461
<a name="l00539"></a>00539 }
462
<a name="l00540"></a>00540 }
463
<a name="l00541"></a>00541
464
<a name="l00547"></a><a class="code" href="class_qwt_dyn_grid_layout.html#2f73373c139e0a872276b7282c293a14">00547</a> <span class="keywordtype">bool</span> <a class="code" href="class_qwt_dyn_grid_layout.html#2f73373c139e0a872276b7282c293a14">QwtDynGridLayout::hasHeightForWidth</a>()<span class="keyword"> const</span>
465
<a name="l00548"></a>00548 <span class="keyword"></span>{
466
<a name="l00549"></a>00549 <span class="keywordflow">return</span> <span class="keyword">true</span>;
467
<a name="l00550"></a>00550 }
468
<a name="l00551"></a>00551
469
<a name="l00557"></a><a class="code" href="class_qwt_dyn_grid_layout.html#fa3fd53b485e9f1ed90796ff923466f1">00557</a> <span class="keywordtype">int</span> <a class="code" href="class_qwt_dyn_grid_layout.html#fa3fd53b485e9f1ed90796ff923466f1">QwtDynGridLayout::heightForWidth</a>(<span class="keywordtype">int</span> width)<span class="keyword"> const</span>
470
<a name="l00558"></a>00558 <span class="keyword"></span>{
471
<a name="l00559"></a>00559 <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_dyn_grid_layout.html#9f2eeeb0220e669cf07f45c42ee6e007">isEmpty</a>() )
472
<a name="l00560"></a>00560 <span class="keywordflow">return</span> 0;
473
<a name="l00561"></a>00561
474
<a name="l00562"></a>00562 <span class="keyword">const</span> uint numCols = <a class="code" href="class_qwt_dyn_grid_layout.html#27f533700d504f931753cec818d2ebdd">columnsForWidth</a>(width);
475
<a name="l00563"></a>00563 uint <a class="code" href="class_qwt_dyn_grid_layout.html#912f31757155f2a7573a8e2076d248b8">numRows</a> = <a class="code" href="class_qwt_dyn_grid_layout.html#bc8630cd39eb75e12a9c38beac670783">itemCount</a>() / numCols;
476
<a name="l00564"></a>00564 <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_dyn_grid_layout.html#bc8630cd39eb75e12a9c38beac670783">itemCount</a>() % numCols )
477
<a name="l00565"></a>00565 numRows++;
478
<a name="l00566"></a>00566
479
<a name="l00567"></a>00567 QwtArray<int> rowHeight(numRows);
480
<a name="l00568"></a>00568 QwtArray<int> colWidth(numCols);
481
<a name="l00569"></a>00569
482
<a name="l00570"></a>00570 <a class="code" href="class_qwt_dyn_grid_layout.html#a2b7d34f7f24340c6944b821b6fd4e91">layoutGrid</a>(numCols, rowHeight, colWidth);
483
<a name="l00571"></a>00571
484
<a name="l00572"></a>00572 <span class="keywordtype">int</span> h = 2 * margin() + (numRows - 1) * spacing();
485
<a name="l00573"></a>00573 <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> row = 0; row < (int)numRows; row++ )
486
<a name="l00574"></a>00574 h += rowHeight[row];
487
<a name="l00575"></a>00575
488
<a name="l00576"></a>00576 <span class="keywordflow">return</span> h;
489
<a name="l00577"></a>00577 }
490
<a name="l00578"></a>00578
491
<a name="l00586"></a><a class="code" href="class_qwt_dyn_grid_layout.html#c0cfbd1aa3cf8491d630b38ab3359ac8">00586</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_dyn_grid_layout.html#c0cfbd1aa3cf8491d630b38ab3359ac8">QwtDynGridLayout::stretchGrid</a>(<span class="keyword">const</span> QRect &rect,
492
<a name="l00587"></a>00587 uint numCols, QwtArray<int>& rowHeight, QwtArray<int>& colWidth)<span class="keyword"> const</span>
493
<a name="l00588"></a>00588 <span class="keyword"></span>{
494
<a name="l00589"></a>00589 <span class="keywordflow">if</span> ( numCols == 0 || <a class="code" href="class_qwt_dyn_grid_layout.html#9f2eeeb0220e669cf07f45c42ee6e007">isEmpty</a>() )
495
<a name="l00590"></a>00590 <span class="keywordflow">return</span>;
496
<a name="l00591"></a>00591
497
<a name="l00592"></a>00592 <span class="keywordtype">bool</span> expandH, expandV;
498
<a name="l00593"></a>00593 <span class="preprocessor">#if QT_VERSION >= 0x040000</span>
499
<a name="l00594"></a>00594 <span class="preprocessor"></span> expandH = <a class="code" href="class_qwt_dyn_grid_layout.html#311207e2bec81a2b8c722544ecc988e3">expandingDirections</a>() & Qt::Horizontal;
500
<a name="l00595"></a>00595 expandV = <a class="code" href="class_qwt_dyn_grid_layout.html#311207e2bec81a2b8c722544ecc988e3">expandingDirections</a>() & Qt::Vertical;
501
<a name="l00596"></a>00596 <span class="preprocessor">#else</span>
502
<a name="l00597"></a>00597 <span class="preprocessor"></span> expandH = expanding() & QSizePolicy::Horizontally;
503
<a name="l00598"></a>00598 expandV = expanding() & QSizePolicy::Vertically;
504
<a name="l00599"></a>00599 <span class="preprocessor">#endif</span>
505
<a name="l00600"></a>00600 <span class="preprocessor"></span>
506
<a name="l00601"></a>00601 <span class="keywordflow">if</span> ( expandH )
507
<a name="l00602"></a>00602 {
508
<a name="l00603"></a>00603 <span class="keywordtype">int</span> xDelta = rect.width() - 2 * margin() - (numCols - 1) * spacing();
509
<a name="l00604"></a>00604 <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> col = 0; col < (int)numCols; col++ )
510
<a name="l00605"></a>00605 xDelta -= colWidth[col];
511
<a name="l00606"></a>00606
512
<a name="l00607"></a>00607 <span class="keywordflow">if</span> ( xDelta > 0 )
513
<a name="l00608"></a>00608 {
514
<a name="l00609"></a>00609 <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> col = 0; col < (int)numCols; col++ )
515
<a name="l00610"></a>00610 {
516
<a name="l00611"></a>00611 <span class="keyword">const</span> <span class="keywordtype">int</span> space = xDelta / (numCols - col);
517
<a name="l00612"></a>00612 colWidth[col] += space;
518
<a name="l00613"></a>00613 xDelta -= space;
519
<a name="l00614"></a>00614 }
520
<a name="l00615"></a>00615 }
521
<a name="l00616"></a>00616 }
522
<a name="l00617"></a>00617
523
<a name="l00618"></a>00618 <span class="keywordflow">if</span> ( expandV )
524
<a name="l00619"></a>00619 {
525
<a name="l00620"></a>00620 uint <a class="code" href="class_qwt_dyn_grid_layout.html#912f31757155f2a7573a8e2076d248b8">numRows</a> = <a class="code" href="class_qwt_dyn_grid_layout.html#bc8630cd39eb75e12a9c38beac670783">itemCount</a>() / numCols;
526
<a name="l00621"></a>00621 <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_dyn_grid_layout.html#bc8630cd39eb75e12a9c38beac670783">itemCount</a>() % numCols )
527
<a name="l00622"></a>00622 <a class="code" href="class_qwt_dyn_grid_layout.html#912f31757155f2a7573a8e2076d248b8">numRows</a>++;
528
<a name="l00623"></a>00623
529
<a name="l00624"></a>00624 <span class="keywordtype">int</span> yDelta = rect.height() - 2 * margin() - (<a class="code" href="class_qwt_dyn_grid_layout.html#912f31757155f2a7573a8e2076d248b8">numRows</a> - 1) * spacing();
530
<a name="l00625"></a>00625 <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> row = 0; row < (int)<a class="code" href="class_qwt_dyn_grid_layout.html#912f31757155f2a7573a8e2076d248b8">numRows</a>; row++ )
531
<a name="l00626"></a>00626 yDelta -= rowHeight[row];
532
<a name="l00627"></a>00627
533
<a name="l00628"></a>00628 <span class="keywordflow">if</span> ( yDelta > 0 )
534
<a name="l00629"></a>00629 {
535
<a name="l00630"></a>00630 <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> row = 0; row < (int)<a class="code" href="class_qwt_dyn_grid_layout.html#912f31757155f2a7573a8e2076d248b8">numRows</a>; row++ )
536
<a name="l00631"></a>00631 {
537
<a name="l00632"></a>00632 <span class="keyword">const</span> <span class="keywordtype">int</span> space = yDelta / (<a class="code" href="class_qwt_dyn_grid_layout.html#912f31757155f2a7573a8e2076d248b8">numRows</a> - row);
538
<a name="l00633"></a>00633 rowHeight[row] += space;
539
<a name="l00634"></a>00634 yDelta -= space;
540
<a name="l00635"></a>00635 }
541
<a name="l00636"></a>00636 }
542
<a name="l00637"></a>00637 }
543
<a name="l00638"></a>00638 }
544
<a name="l00639"></a>00639
545
<a name="l00647"></a><a class="code" href="class_qwt_dyn_grid_layout.html#c4f9ce49d2ed581e5bb2ae4f1c3fa4f9">00647</a> QSize <a class="code" href="class_qwt_dyn_grid_layout.html#c4f9ce49d2ed581e5bb2ae4f1c3fa4f9">QwtDynGridLayout::sizeHint</a>()<span class="keyword"> const</span>
546
<a name="l00648"></a>00648 <span class="keyword"></span>{
547
<a name="l00649"></a>00649 <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_dyn_grid_layout.html#9f2eeeb0220e669cf07f45c42ee6e007">isEmpty</a>() )
548
<a name="l00650"></a>00650 <span class="keywordflow">return</span> QSize();
549
<a name="l00651"></a>00651
550
<a name="l00652"></a>00652 <span class="keyword">const</span> uint numCols = (d_data->maxCols > 0 ) ? d_data->maxCols : <a class="code" href="class_qwt_dyn_grid_layout.html#bc8630cd39eb75e12a9c38beac670783">itemCount</a>();
551
<a name="l00653"></a>00653 uint <a class="code" href="class_qwt_dyn_grid_layout.html#912f31757155f2a7573a8e2076d248b8">numRows</a> = <a class="code" href="class_qwt_dyn_grid_layout.html#bc8630cd39eb75e12a9c38beac670783">itemCount</a>() / numCols;
552
<a name="l00654"></a>00654 <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_dyn_grid_layout.html#bc8630cd39eb75e12a9c38beac670783">itemCount</a>() % numCols )
553
<a name="l00655"></a>00655 numRows++;
554
<a name="l00656"></a>00656
555
<a name="l00657"></a>00657 QwtArray<int> rowHeight(numRows);
556
<a name="l00658"></a>00658 QwtArray<int> colWidth(numCols);
557
<a name="l00659"></a>00659
558
<a name="l00660"></a>00660 <a class="code" href="class_qwt_dyn_grid_layout.html#a2b7d34f7f24340c6944b821b6fd4e91">layoutGrid</a>(numCols, rowHeight, colWidth);
559
<a name="l00661"></a>00661
560
<a name="l00662"></a>00662 <span class="keywordtype">int</span> h = 2 * margin() + (numRows - 1) * spacing();
561
<a name="l00663"></a>00663 <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> row = 0; row < (int)numRows; row++ )
562
<a name="l00664"></a>00664 h += rowHeight[row];
563
<a name="l00665"></a>00665
564
<a name="l00666"></a>00666 <span class="keywordtype">int</span> w = 2 * margin() + (numCols - 1) * spacing();
565
<a name="l00667"></a>00667 <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> col = 0; col < (int)numCols; col++ )
566
<a name="l00668"></a>00668 w += colWidth[col];
567
<a name="l00669"></a>00669
568
<a name="l00670"></a>00670 <span class="keywordflow">return</span> QSize(w, h);
569
<a name="l00671"></a>00671 }
570
<a name="l00672"></a>00672
571
<a name="l00678"></a><a class="code" href="class_qwt_dyn_grid_layout.html#912f31757155f2a7573a8e2076d248b8">00678</a> uint <a class="code" href="class_qwt_dyn_grid_layout.html#912f31757155f2a7573a8e2076d248b8">QwtDynGridLayout::numRows</a>()<span class="keyword"> const </span>
572
<a name="l00679"></a>00679 <span class="keyword"></span>{
573
<a name="l00680"></a>00680 <span class="keywordflow">return</span> d_data->numRows;
574
<a name="l00681"></a>00681 }
575
<a name="l00682"></a>00682
576
<a name="l00688"></a><a class="code" href="class_qwt_dyn_grid_layout.html#7e372ab49f9ef5f4c20739d86a324294">00688</a> uint <a class="code" href="class_qwt_dyn_grid_layout.html#7e372ab49f9ef5f4c20739d86a324294">QwtDynGridLayout::numCols</a>()<span class="keyword"> const </span>
577
<a name="l00689"></a>00689 <span class="keyword"></span>{
578
<a name="l00690"></a>00690 <span class="keywordflow">return</span> d_data->numCols;
579
<a name="l00691"></a>00691 }
580
</pre></div><hr size="1"><address style="align: right;"><small>Generated on Sun Mar 22 16:54:07 2009 for Qwt User's Guide by
581
<a href="http://www.doxygen.org/index.html">
582
<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.0 </small></address>
added
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qwt-5.1.2/doc/html/qwt__dyngrid__layout_8cpp-source.html
