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<h1>qwt_slider.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 <math.h></span>
32
<a name="l00013"></a>00013 <span class="preprocessor">#include <qevent.h></span>
33
<a name="l00014"></a>00014 <span class="preprocessor">#include <qdrawutil.h></span>
34
<a name="l00015"></a>00015 <span class="preprocessor">#include <qpainter.h></span>
35
<a name="l00016"></a>00016 <span class="preprocessor">#include "qwt_painter.h"</span>
36
<a name="l00017"></a>00017 <span class="preprocessor">#include "qwt_paint_buffer.h"</span>
37
<a name="l00018"></a>00018 <span class="preprocessor">#include "qwt_scale_draw.h"</span>
38
<a name="l00019"></a>00019 <span class="preprocessor">#include "qwt_scale_map.h"</span>
39
<a name="l00020"></a>00020 <span class="preprocessor">#include "qwt_slider.h"</span>
40
<a name="l00021"></a>00021
41
<a name="l00022"></a>00022 <span class="keyword">class </span>QwtSlider::PrivateData
42
<a name="l00023"></a>00023 {
43
<a name="l00024"></a>00024 <span class="keyword">public</span>:
44
<a name="l00025"></a>00025 QRect sliderRect;
45
<a name="l00026"></a>00026
46
<a name="l00027"></a>00027 <span class="keywordtype">int</span> <a class="code" href="class_qwt_slider.html#7f9467f2c0200d02299a14b641748b2b">thumbLength</a>;
47
<a name="l00028"></a>00028 <span class="keywordtype">int</span> <a class="code" href="class_qwt_slider.html#db669a4a0d4472d2dd342f2a932100e0">thumbWidth</a>;
48
<a name="l00029"></a>00029 <span class="keywordtype">int</span> <a class="code" href="class_qwt_slider.html#41e8e0042018ff8f910a8eb4f2a55fec">borderWidth</a>;
49
<a name="l00030"></a>00030 <span class="keywordtype">int</span> scaleDist;
50
<a name="l00031"></a>00031 <span class="keywordtype">int</span> xMargin;
51
<a name="l00032"></a>00032 <span class="keywordtype">int</span> yMargin;
52
<a name="l00033"></a>00033
53
<a name="l00034"></a>00034 <a class="code" href="class_qwt_slider.html#10836f1e83b9c8ef8e229bf7c65c3659">QwtSlider::ScalePos</a> scalePos;
54
<a name="l00035"></a>00035 <a class="code" href="class_qwt_slider.html#60df2c6dd8d5419625a2f3f024bf29c6">QwtSlider::BGSTYLE</a> <a class="code" href="class_qwt_slider.html#e93eccfbc0f33aadd7da84a3c7b29cc7">bgStyle</a>;
55
<a name="l00036"></a>00036
56
<a name="l00037"></a>00037 <span class="comment">/*</span>
57
<a name="l00038"></a>00038 <span class="comment"> Scale and values might have different maps. This is</span>
58
<a name="l00039"></a>00039 <span class="comment"> confusing and I can't see strong arguments for such</span>
59
<a name="l00040"></a>00040 <span class="comment"> a feature. TODO ...</span>
60
<a name="l00041"></a>00041 <span class="comment"> */</span>
61
<a name="l00042"></a>00042 <a class="code" href="class_qwt_scale_map.html">QwtScaleMap</a> map; <span class="comment">// linear map</span>
62
<a name="l00043"></a>00043 <span class="keyword">mutable</span> QSize sizeHintCache;
63
<a name="l00044"></a>00044 };
64
<a name="l00045"></a>00045
65
<a name="l00064"></a><a class="code" href="class_qwt_slider.html#dc40d9d7d637f270c10dbdaf8c0f959d">00064</a> <a class="code" href="class_qwt_slider.html#dc40d9d7d637f270c10dbdaf8c0f959d">QwtSlider::QwtSlider</a>(QWidget *parent,
66
<a name="l00065"></a>00065 Qt::Orientation <a class="code" href="class_qwt_abstract_slider.html#5191a5ae69ab34e24463d23a32dbd02f">orientation</a>, <a class="code" href="class_qwt_slider.html#10836f1e83b9c8ef8e229bf7c65c3659">ScalePos</a> scalePos, <a class="code" href="class_qwt_slider.html#60df2c6dd8d5419625a2f3f024bf29c6">BGSTYLE</a> <a class="code" href="class_qwt_slider.html#e93eccfbc0f33aadd7da84a3c7b29cc7">bgStyle</a>):
67
<a name="l00066"></a>00066 <a class="code" href="class_qwt_abstract_slider.html">QwtAbstractSlider</a>(orientation, parent)
68
<a name="l00067"></a>00067 {
69
<a name="l00068"></a>00068 initSlider(orientation, scalePos, bgStyle);
70
<a name="l00069"></a>00069 }
71
<a name="l00070"></a>00070
72
<a name="l00071"></a>00071 <span class="preprocessor">#if QT_VERSION < 0x040000</span>
73
<a name="l00072"></a>00072 <span class="preprocessor"></span>
74
<a name="l00081"></a>00081 <a class="code" href="class_qwt_slider.html#dc40d9d7d637f270c10dbdaf8c0f959d">QwtSlider::QwtSlider</a>(QWidget *parent, <span class="keyword">const</span> <span class="keywordtype">char</span>* name):
75
<a name="l00082"></a>00082 <a class="code" href="class_qwt_abstract_slider.html">QwtAbstractSlider</a>(Qt::Horizontal, parent)
76
<a name="l00083"></a>00083 {
77
<a name="l00084"></a>00084 setName(name);
78
<a name="l00085"></a>00085 initSlider(Qt::Horizontal, NoScale, BgTrough);
79
<a name="l00086"></a>00086 }
80
<a name="l00087"></a>00087 <span class="preprocessor">#endif</span>
81
<a name="l00088"></a>00088 <span class="preprocessor"></span>
82
<a name="l00089"></a>00089 <span class="keywordtype">void</span> QwtSlider::initSlider(Qt::Orientation orientation,
83
<a name="l00090"></a>00090 ScalePos scalePos, BGSTYLE bgStyle)
84
<a name="l00091"></a>00091 {
85
<a name="l00092"></a>00092 <span class="keywordflow">if</span> (orientation == Qt::Vertical)
86
<a name="l00093"></a>00093 setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Expanding);
87
<a name="l00094"></a>00094 <span class="keywordflow">else</span>
88
<a name="l00095"></a>00095 setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
89
<a name="l00096"></a>00096
90
<a name="l00097"></a>00097 <span class="preprocessor">#if QT_VERSION >= 0x040000</span>
91
<a name="l00098"></a>00098 <span class="preprocessor"></span> setAttribute(Qt::WA_WState_OwnSizePolicy, <span class="keyword">false</span>);
92
<a name="l00099"></a>00099 <span class="preprocessor">#else</span>
93
<a name="l00100"></a>00100 <span class="preprocessor"></span> clearWState( WState_OwnSizePolicy );
94
<a name="l00101"></a>00101 <span class="preprocessor">#endif</span>
95
<a name="l00102"></a>00102 <span class="preprocessor"></span>
96
<a name="l00103"></a>00103
97
<a name="l00104"></a>00104 <span class="preprocessor">#if QT_VERSION < 0x040000</span>
98
<a name="l00105"></a>00105 <span class="preprocessor"></span> setWFlags(Qt::WNoAutoErase);
99
<a name="l00106"></a>00106 <span class="preprocessor">#endif</span>
100
<a name="l00107"></a>00107 <span class="preprocessor"></span>
101
<a name="l00108"></a>00108 d_data = <span class="keyword">new</span> QwtSlider::PrivateData;
102
<a name="l00109"></a>00109
103
<a name="l00110"></a>00110 d_data->borderWidth = 2;
104
<a name="l00111"></a>00111 d_data->scaleDist = 4;
105
<a name="l00112"></a>00112 d_data->scalePos = scalePos;
106
<a name="l00113"></a>00113 d_data->xMargin = 0;
107
<a name="l00114"></a>00114 d_data->yMargin = 0;
108
<a name="l00115"></a>00115 d_data->bgStyle = bgStyle;
109
<a name="l00116"></a>00116
110
<a name="l00117"></a>00117 <span class="keywordflow">if</span> (bgStyle == BgSlot)
111
<a name="l00118"></a>00118 {
112
<a name="l00119"></a>00119 d_data->thumbLength = 16;
113
<a name="l00120"></a>00120 d_data->thumbWidth = 30;
114
<a name="l00121"></a>00121 }
115
<a name="l00122"></a>00122 <span class="keywordflow">else</span>
116
<a name="l00123"></a>00123 {
117
<a name="l00124"></a>00124 d_data->thumbLength = 31;
118
<a name="l00125"></a>00125 d_data->thumbWidth = 16;
119
<a name="l00126"></a>00126 }
120
<a name="l00127"></a>00127
121
<a name="l00128"></a>00128 d_data->sliderRect.setRect(0,0,8,8);
122
<a name="l00129"></a>00129
123
<a name="l00130"></a>00130 <a class="code" href="class_qwt_scale_draw.html#cd7ceeeac592ef08530788580b461c66">QwtScaleDraw::Alignment</a> align;
124
<a name="l00131"></a>00131 <span class="keywordflow">if</span> ( orientation == Qt::Vertical )
125
<a name="l00132"></a>00132 {
126
<a name="l00133"></a>00133 <span class="comment">// enforce a valid combination of scale position and orientation</span>
127
<a name="l00134"></a>00134 <span class="keywordflow">if</span> ((d_data->scalePos == BottomScale) || (d_data->scalePos == TopScale))
128
<a name="l00135"></a>00135 d_data->scalePos = NoScale;
129
<a name="l00136"></a>00136 <span class="comment">// adopt the policy of layoutSlider (NoScale lays out like Left)</span>
130
<a name="l00137"></a>00137 <span class="keywordflow">if</span> (d_data->scalePos == RightScale)
131
<a name="l00138"></a>00138 align = QwtScaleDraw::RightScale;
132
<a name="l00139"></a>00139 <span class="keywordflow">else</span>
133
<a name="l00140"></a>00140 align = QwtScaleDraw::LeftScale;
134
<a name="l00141"></a>00141 }
135
<a name="l00142"></a>00142 <span class="keywordflow">else</span>
136
<a name="l00143"></a>00143 {
137
<a name="l00144"></a>00144 <span class="comment">// enforce a valid combination of scale position and orientation</span>
138
<a name="l00145"></a>00145 <span class="keywordflow">if</span> ((d_data->scalePos == LeftScale) || (d_data->scalePos == RightScale))
139
<a name="l00146"></a>00146 d_data->scalePos = NoScale;
140
<a name="l00147"></a>00147 <span class="comment">// adopt the policy of layoutSlider (NoScale lays out like Bottom)</span>
141
<a name="l00148"></a>00148 <span class="keywordflow">if</span> (d_data->scalePos == TopScale)
142
<a name="l00149"></a>00149 align = QwtScaleDraw::TopScale;
143
<a name="l00150"></a>00150 <span class="keywordflow">else</span>
144
<a name="l00151"></a>00151 align = QwtScaleDraw::BottomScale;
145
<a name="l00152"></a>00152 }
146
<a name="l00153"></a>00153
147
<a name="l00154"></a>00154 <a class="code" href="class_qwt_slider.html#44a95d015b9b846b86ab1a0a44c93617">scaleDraw</a>()-><a class="code" href="class_qwt_scale_draw.html#7a4de0055dc1358e55c3357366a54091">setAlignment</a>(align);
148
<a name="l00155"></a>00155 <a class="code" href="class_qwt_slider.html#44a95d015b9b846b86ab1a0a44c93617">scaleDraw</a>()-><a class="code" href="class_qwt_scale_draw.html#2094e09579671d0a8e4b14a636eba6ef">setLength</a>(100);
149
<a name="l00156"></a>00156
150
<a name="l00157"></a>00157 <a class="code" href="class_qwt_double_range.html#43891011664b74b8e5454763a3f5ff21">setRange</a>(0.0, 100.0, 1.0);
151
<a name="l00158"></a>00158 <a class="code" href="class_qwt_abstract_slider.html#c3713f8989b647cb79f0a5894991e36a">setValue</a>(0.0);
152
<a name="l00159"></a>00159 }
153
<a name="l00160"></a>00160
154
<a name="l00161"></a><a class="code" href="class_qwt_slider.html#1d82f2f616f8cd3cc7c265948d1b7886">00161</a> <a class="code" href="class_qwt_slider.html#1d82f2f616f8cd3cc7c265948d1b7886">QwtSlider::~QwtSlider</a>()
155
<a name="l00162"></a>00162 {
156
<a name="l00163"></a>00163 <span class="keyword">delete</span> d_data;
157
<a name="l00164"></a>00164 }
158
<a name="l00165"></a>00165
159
<a name="l00174"></a><a class="code" href="class_qwt_slider.html#3a5d51f56dee5e51dc37bb6f546b16b5">00174</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_slider.html#3a5d51f56dee5e51dc37bb6f546b16b5">QwtSlider::setOrientation</a>(Qt::Orientation o)
160
<a name="l00175"></a>00175 {
161
<a name="l00176"></a>00176 <span class="keywordflow">if</span> ( o == <a class="code" href="class_qwt_abstract_slider.html#5191a5ae69ab34e24463d23a32dbd02f">orientation</a>() )
162
<a name="l00177"></a>00177 <span class="keywordflow">return</span>;
163
<a name="l00178"></a>00178
164
<a name="l00179"></a>00179 <span class="keywordflow">if</span> (o == Qt::Horizontal)
165
<a name="l00180"></a>00180 {
166
<a name="l00181"></a>00181 <span class="keywordflow">if</span> ((d_data->scalePos == LeftScale) || (d_data->scalePos == RightScale))
167
<a name="l00182"></a>00182 d_data->scalePos = NoScale;
168
<a name="l00183"></a>00183 }
169
<a name="l00184"></a>00184 <span class="keywordflow">else</span> <span class="comment">// if (o == Qt::Vertical)</span>
170
<a name="l00185"></a>00185 {
171
<a name="l00186"></a>00186 <span class="keywordflow">if</span> ((d_data->scalePos == BottomScale) || (d_data->scalePos == TopScale))
172
<a name="l00187"></a>00187 d_data->scalePos = NoScale;
173
<a name="l00188"></a>00188 }
174
<a name="l00189"></a>00189
175
<a name="l00190"></a>00190 <span class="preprocessor">#if QT_VERSION >= 0x040000</span>
176
<a name="l00191"></a>00191 <span class="preprocessor"></span> <span class="keywordflow">if</span> ( !testAttribute(Qt::WA_WState_OwnSizePolicy) )
177
<a name="l00192"></a>00192 <span class="preprocessor">#else</span>
178
<a name="l00193"></a>00193 <span class="preprocessor"></span> <span class="keywordflow">if</span> ( !testWState( WState_OwnSizePolicy ) )
179
<a name="l00194"></a>00194 <span class="preprocessor">#endif</span>
180
<a name="l00195"></a>00195 <span class="preprocessor"></span> {
181
<a name="l00196"></a>00196 QSizePolicy sp = sizePolicy();
182
<a name="l00197"></a>00197 sp.transpose();
183
<a name="l00198"></a>00198 setSizePolicy(sp);
184
<a name="l00199"></a>00199
185
<a name="l00200"></a>00200 <span class="preprocessor">#if QT_VERSION >= 0x040000</span>
186
<a name="l00201"></a>00201 <span class="preprocessor"></span> setAttribute(Qt::WA_WState_OwnSizePolicy, <span class="keyword">false</span>);
187
<a name="l00202"></a>00202 <span class="preprocessor">#else</span>
188
<a name="l00203"></a>00203 <span class="preprocessor"></span> clearWState( WState_OwnSizePolicy );
189
<a name="l00204"></a>00204 <span class="preprocessor">#endif</span>
190
<a name="l00205"></a>00205 <span class="preprocessor"></span> }
191
<a name="l00206"></a>00206
192
<a name="l00207"></a>00207 <a class="code" href="class_qwt_abstract_slider.html#6b0fdc50bfbb0a8bb40f0dc6bf493b2c">QwtAbstractSlider::setOrientation</a>(o);
193
<a name="l00208"></a>00208 <a class="code" href="class_qwt_slider.html#94d3a5a87c2591f21e458ff6aa358009">layoutSlider</a>();
194
<a name="l00209"></a>00209 }
195
<a name="l00210"></a>00210
196
<a name="l00224"></a><a class="code" href="class_qwt_slider.html#f663f9e1ee5962f796b83d95820a84ae">00224</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_slider.html#f663f9e1ee5962f796b83d95820a84ae">QwtSlider::setScalePosition</a>(<a class="code" href="class_qwt_slider.html#10836f1e83b9c8ef8e229bf7c65c3659">ScalePos</a> s)
197
<a name="l00225"></a>00225 {
198
<a name="l00226"></a>00226 <span class="keywordflow">if</span> ( d_data->scalePos == s )
199
<a name="l00227"></a>00227 <span class="keywordflow">return</span>;
200
<a name="l00228"></a>00228
201
<a name="l00229"></a>00229 d_data->scalePos = s;
202
<a name="l00230"></a>00230
203
<a name="l00231"></a>00231 <span class="keywordflow">switch</span>(d_data->scalePos)
204
<a name="l00232"></a>00232 {
205
<a name="l00233"></a>00233 <span class="keywordflow">case</span> BottomScale:
206
<a name="l00234"></a>00234 {
207
<a name="l00235"></a>00235 <a class="code" href="class_qwt_slider.html#3a5d51f56dee5e51dc37bb6f546b16b5">setOrientation</a>(Qt::Horizontal);
208
<a name="l00236"></a>00236 <a class="code" href="class_qwt_slider.html#44a95d015b9b846b86ab1a0a44c93617">scaleDraw</a>()-><a class="code" href="class_qwt_scale_draw.html#7a4de0055dc1358e55c3357366a54091">setAlignment</a>(QwtScaleDraw::BottomScale);
209
<a name="l00237"></a>00237 <span class="keywordflow">break</span>;
210
<a name="l00238"></a>00238 }
211
<a name="l00239"></a>00239 <span class="keywordflow">case</span> TopScale:
212
<a name="l00240"></a>00240 {
213
<a name="l00241"></a>00241 <a class="code" href="class_qwt_slider.html#3a5d51f56dee5e51dc37bb6f546b16b5">setOrientation</a>(Qt::Horizontal);
214
<a name="l00242"></a>00242 <a class="code" href="class_qwt_slider.html#44a95d015b9b846b86ab1a0a44c93617">scaleDraw</a>()-><a class="code" href="class_qwt_scale_draw.html#7a4de0055dc1358e55c3357366a54091">setAlignment</a>(QwtScaleDraw::TopScale);
215
<a name="l00243"></a>00243 <span class="keywordflow">break</span>;
216
<a name="l00244"></a>00244 }
217
<a name="l00245"></a>00245 <span class="keywordflow">case</span> LeftScale:
218
<a name="l00246"></a>00246 {
219
<a name="l00247"></a>00247 <a class="code" href="class_qwt_slider.html#3a5d51f56dee5e51dc37bb6f546b16b5">setOrientation</a>(Qt::Vertical);
220
<a name="l00248"></a>00248 <a class="code" href="class_qwt_slider.html#44a95d015b9b846b86ab1a0a44c93617">scaleDraw</a>()-><a class="code" href="class_qwt_scale_draw.html#7a4de0055dc1358e55c3357366a54091">setAlignment</a>(QwtScaleDraw::LeftScale);
221
<a name="l00249"></a>00249 <span class="keywordflow">break</span>;
222
<a name="l00250"></a>00250 }
223
<a name="l00251"></a>00251 <span class="keywordflow">case</span> RightScale:
224
<a name="l00252"></a>00252 {
225
<a name="l00253"></a>00253 <a class="code" href="class_qwt_slider.html#3a5d51f56dee5e51dc37bb6f546b16b5">setOrientation</a>(Qt::Vertical);
226
<a name="l00254"></a>00254 <a class="code" href="class_qwt_slider.html#44a95d015b9b846b86ab1a0a44c93617">scaleDraw</a>()-><a class="code" href="class_qwt_scale_draw.html#7a4de0055dc1358e55c3357366a54091">setAlignment</a>(QwtScaleDraw::RightScale);
227
<a name="l00255"></a>00255 <span class="keywordflow">break</span>;
228
<a name="l00256"></a>00256 }
229
<a name="l00257"></a>00257 <span class="keywordflow">default</span>:
230
<a name="l00258"></a>00258 {
231
<a name="l00259"></a>00259 <span class="comment">// nothing</span>
232
<a name="l00260"></a>00260 }
233
<a name="l00261"></a>00261 }
234
<a name="l00262"></a>00262
235
<a name="l00263"></a>00263 <a class="code" href="class_qwt_slider.html#94d3a5a87c2591f21e458ff6aa358009">layoutSlider</a>();
236
<a name="l00264"></a>00264 }
237
<a name="l00265"></a>00265
238
<a name="l00267"></a><a class="code" href="class_qwt_slider.html#fe25f742e50db2c2c45fbeb85e713a29">00267</a> <a class="code" href="class_qwt_slider.html#10836f1e83b9c8ef8e229bf7c65c3659">QwtSlider::ScalePos</a> <a class="code" href="class_qwt_slider.html#fe25f742e50db2c2c45fbeb85e713a29">QwtSlider::scalePosition</a>()<span class="keyword"> const</span>
239
<a name="l00268"></a>00268 <span class="keyword"></span>{
240
<a name="l00269"></a>00269 <span class="keywordflow">return</span> d_data->scalePos;
241
<a name="l00270"></a>00270 }
242
<a name="l00271"></a>00271
243
<a name="l00276"></a><a class="code" href="class_qwt_slider.html#0d40da533b9417974240e127b5d701e4">00276</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_slider.html#0d40da533b9417974240e127b5d701e4">QwtSlider::setBorderWidth</a>(<span class="keywordtype">int</span> bd)
244
<a name="l00277"></a>00277 {
245
<a name="l00278"></a>00278 <span class="keywordflow">if</span> ( bd < 0 )
246
<a name="l00279"></a>00279 bd = 0;
247
<a name="l00280"></a>00280
248
<a name="l00281"></a>00281 <span class="keywordflow">if</span> ( bd != d_data->borderWidth )
249
<a name="l00282"></a>00282 {
250
<a name="l00283"></a>00283 d_data->borderWidth = bd;
251
<a name="l00284"></a>00284 <a class="code" href="class_qwt_slider.html#94d3a5a87c2591f21e458ff6aa358009">layoutSlider</a>();
252
<a name="l00285"></a>00285 }
253
<a name="l00286"></a>00286 }
254
<a name="l00287"></a>00287
255
<a name="l00292"></a><a class="code" href="class_qwt_slider.html#a238078ae6ce297e0a39c0404542545d">00292</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_slider.html#a238078ae6ce297e0a39c0404542545d">QwtSlider::setThumbLength</a>(<span class="keywordtype">int</span> thumbLength)
256
<a name="l00293"></a>00293 {
257
<a name="l00294"></a>00294 <span class="keywordflow">if</span> ( thumbLength < 8 )
258
<a name="l00295"></a>00295 thumbLength = 8;
259
<a name="l00296"></a>00296
260
<a name="l00297"></a>00297 <span class="keywordflow">if</span> ( thumbLength != d_data->thumbLength )
261
<a name="l00298"></a>00298 {
262
<a name="l00299"></a>00299 d_data->thumbLength = thumbLength;
263
<a name="l00300"></a>00300 <a class="code" href="class_qwt_slider.html#94d3a5a87c2591f21e458ff6aa358009">layoutSlider</a>();
264
<a name="l00301"></a>00301 }
265
<a name="l00302"></a>00302 }
266
<a name="l00303"></a>00303
267
<a name="l00308"></a><a class="code" href="class_qwt_slider.html#4e25372df46541d807603791ca6c5bab">00308</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_slider.html#4e25372df46541d807603791ca6c5bab">QwtSlider::setThumbWidth</a>(<span class="keywordtype">int</span> w)
268
<a name="l00309"></a>00309 {
269
<a name="l00310"></a>00310 <span class="keywordflow">if</span> ( w < 4 )
270
<a name="l00311"></a>00311 w = 4;
271
<a name="l00312"></a>00312
272
<a name="l00313"></a>00313 <span class="keywordflow">if</span> ( d_data->thumbWidth != w )
273
<a name="l00314"></a>00314 {
274
<a name="l00315"></a>00315 d_data->thumbWidth = w;
275
<a name="l00316"></a>00316 <a class="code" href="class_qwt_slider.html#94d3a5a87c2591f21e458ff6aa358009">layoutSlider</a>();
276
<a name="l00317"></a>00317 }
277
<a name="l00318"></a>00318 }
278
<a name="l00319"></a>00319
279
<a name="l00331"></a><a class="code" href="class_qwt_slider.html#9039a6d5d5bb7b21c312637cf40f8319">00331</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_slider.html#9039a6d5d5bb7b21c312637cf40f8319">QwtSlider::setScaleDraw</a>(<a class="code" href="class_qwt_scale_draw.html">QwtScaleDraw</a> *scaleDraw)
280
<a name="l00332"></a>00332 {
281
<a name="l00333"></a>00333 <span class="keyword">const</span> <a class="code" href="class_qwt_scale_draw.html">QwtScaleDraw</a> *previousScaleDraw = this-><a class="code" href="class_qwt_slider.html#44a95d015b9b846b86ab1a0a44c93617">scaleDraw</a>();
282
<a name="l00334"></a>00334 <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_slider.html#44a95d015b9b846b86ab1a0a44c93617">scaleDraw</a> == NULL || <a class="code" href="class_qwt_slider.html#44a95d015b9b846b86ab1a0a44c93617">scaleDraw</a> == previousScaleDraw )
283
<a name="l00335"></a>00335 <span class="keywordflow">return</span>;
284
<a name="l00336"></a>00336
285
<a name="l00337"></a>00337 <span class="keywordflow">if</span> ( previousScaleDraw )
286
<a name="l00338"></a>00338 <a class="code" href="class_qwt_slider.html#44a95d015b9b846b86ab1a0a44c93617">scaleDraw</a>-><a class="code" href="class_qwt_scale_draw.html#7a4de0055dc1358e55c3357366a54091">setAlignment</a>(previousScaleDraw-><a class="code" href="class_qwt_scale_draw.html#89774ef071c6d66fae5843a13fe12bd5">alignment</a>());
287
<a name="l00339"></a>00339
288
<a name="l00340"></a>00340 <a class="code" href="class_qwt_abstract_scale.html#950c5bf521dc704b78f76c7951346288">setAbstractScaleDraw</a>(<a class="code" href="class_qwt_slider.html#44a95d015b9b846b86ab1a0a44c93617">scaleDraw</a>);
289
<a name="l00341"></a>00341 <a class="code" href="class_qwt_slider.html#94d3a5a87c2591f21e458ff6aa358009">layoutSlider</a>();
290
<a name="l00342"></a>00342 }
291
<a name="l00343"></a>00343
292
<a name="l00348"></a><a class="code" href="class_qwt_slider.html#44a95d015b9b846b86ab1a0a44c93617">00348</a> <span class="keyword">const</span> <a class="code" href="class_qwt_scale_draw.html">QwtScaleDraw</a> *<a class="code" href="class_qwt_slider.html#44a95d015b9b846b86ab1a0a44c93617">QwtSlider::scaleDraw</a>()<span class="keyword"> const</span>
293
<a name="l00349"></a>00349 <span class="keyword"></span>{
294
<a name="l00350"></a>00350 <span class="keywordflow">return</span> (<a class="code" href="class_qwt_scale_draw.html">QwtScaleDraw</a> *)<a class="code" href="class_qwt_abstract_scale.html#473e84e72bd52afac58c04d004b5c06a">abstractScaleDraw</a>();
295
<a name="l00351"></a>00351 }
296
<a name="l00352"></a>00352
297
<a name="l00357"></a><a class="code" href="class_qwt_slider.html#c9d9cf23f22f06a02c9a60fb91adb0c0">00357</a> <a class="code" href="class_qwt_scale_draw.html">QwtScaleDraw</a> *<a class="code" href="class_qwt_slider.html#44a95d015b9b846b86ab1a0a44c93617">QwtSlider::scaleDraw</a>()
298
<a name="l00358"></a>00358 {
299
<a name="l00359"></a>00359 <span class="keywordflow">return</span> (<a class="code" href="class_qwt_scale_draw.html">QwtScaleDraw</a> *)<a class="code" href="class_qwt_abstract_scale.html#473e84e72bd52afac58c04d004b5c06a">abstractScaleDraw</a>();
300
<a name="l00360"></a>00360 }
301
<a name="l00361"></a>00361
302
<a name="l00363"></a><a class="code" href="class_qwt_slider.html#31ae4c53eb17d77ee0fd846ff6eea7e3">00363</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_slider.html#31ae4c53eb17d77ee0fd846ff6eea7e3">QwtSlider::scaleChange</a>()
303
<a name="l00364"></a>00364 {
304
<a name="l00365"></a>00365 <a class="code" href="class_qwt_slider.html#94d3a5a87c2591f21e458ff6aa358009">layoutSlider</a>();
305
<a name="l00366"></a>00366 }
306
<a name="l00367"></a>00367
307
<a name="l00368"></a>00368
308
<a name="l00370"></a><a class="code" href="class_qwt_slider.html#dabf0ae058968d9c68677580c2fa800f">00370</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_slider.html#dabf0ae058968d9c68677580c2fa800f">QwtSlider::fontChange</a>(<span class="keyword">const</span> QFont &f)
309
<a name="l00371"></a>00371 {
310
<a name="l00372"></a>00372 QwtAbstractSlider::fontChange( f );
311
<a name="l00373"></a>00373 <a class="code" href="class_qwt_slider.html#94d3a5a87c2591f21e458ff6aa358009">layoutSlider</a>();
312
<a name="l00374"></a>00374 }
313
<a name="l00375"></a>00375
314
<a name="l00377"></a><a class="code" href="class_qwt_slider.html#9bfe362dcd3f4318595ce85671c96a64">00377</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_slider.html#9bfe362dcd3f4318595ce85671c96a64">QwtSlider::drawSlider</a>(QPainter *p, <span class="keyword">const</span> QRect &r)
315
<a name="l00378"></a>00378 {
316
<a name="l00379"></a>00379 QRect cr(r);
317
<a name="l00380"></a>00380
318
<a name="l00381"></a>00381 <span class="keywordflow">if</span> (d_data->bgStyle & BgTrough)
319
<a name="l00382"></a>00382 {
320
<a name="l00383"></a>00383 qDrawShadePanel(p, r.x(), r.y(),
321
<a name="l00384"></a>00384 r.width(), r.height(),
322
<a name="l00385"></a>00385 <span class="preprocessor">#if QT_VERSION < 0x040000</span>
323
<a name="l00386"></a>00386 <span class="preprocessor"></span> colorGroup(),
324
<a name="l00387"></a>00387 <span class="preprocessor">#else</span>
325
<a name="l00388"></a>00388 <span class="preprocessor"></span> palette(),
326
<a name="l00389"></a>00389 <span class="preprocessor">#endif</span>
327
<a name="l00390"></a>00390 <span class="preprocessor"></span> <span class="keyword">true</span>, d_data->borderWidth,0);
328
<a name="l00391"></a>00391
329
<a name="l00392"></a>00392 cr.setRect(r.x() + d_data->borderWidth,
330
<a name="l00393"></a>00393 r.y() + d_data->borderWidth,
331
<a name="l00394"></a>00394 r.width() - 2 * d_data->borderWidth,
332
<a name="l00395"></a>00395 r.height() - 2 * d_data->borderWidth);
333
<a name="l00396"></a>00396
334
<a name="l00397"></a>00397 p->fillRect(cr.x(), cr.y(), cr.width(), cr.height(),
335
<a name="l00398"></a>00398 <span class="preprocessor">#if QT_VERSION < 0x040000</span>
336
<a name="l00399"></a>00399 <span class="preprocessor"></span> colorGroup().brush(QColorGroup::Mid)
337
<a name="l00400"></a>00400 <span class="preprocessor">#else</span>
338
<a name="l00401"></a>00401 <span class="preprocessor"></span> palette().brush(QPalette::Mid)
339
<a name="l00402"></a>00402 <span class="preprocessor">#endif</span>
340
<a name="l00403"></a>00403 <span class="preprocessor"></span> );
341
<a name="l00404"></a>00404 }
342
<a name="l00405"></a>00405
343
<a name="l00406"></a>00406 <span class="keywordflow">if</span> ( d_data->bgStyle & BgSlot)
344
<a name="l00407"></a>00407 {
345
<a name="l00408"></a>00408 <span class="keywordtype">int</span> ws = 4;
346
<a name="l00409"></a>00409 <span class="keywordtype">int</span> ds = d_data->thumbLength / 2 - 4;
347
<a name="l00410"></a>00410 <span class="keywordflow">if</span> ( ds < 1 )
348
<a name="l00411"></a>00411 ds = 1;
349
<a name="l00412"></a>00412
350
<a name="l00413"></a>00413 QRect rSlot;
351
<a name="l00414"></a>00414 <span class="keywordflow">if</span> (<a class="code" href="class_qwt_abstract_slider.html#5191a5ae69ab34e24463d23a32dbd02f">orientation</a>() == Qt::Horizontal)
352
<a name="l00415"></a>00415 {
353
<a name="l00416"></a>00416 <span class="keywordflow">if</span> ( cr.height() & 1 )
354
<a name="l00417"></a>00417 ws++;
355
<a name="l00418"></a>00418 rSlot = QRect(cr.x() + ds,
356
<a name="l00419"></a>00419 cr.y() + (cr.height() - ws) / 2,
357
<a name="l00420"></a>00420 cr.width() - 2 * ds, ws);
358
<a name="l00421"></a>00421 }
359
<a name="l00422"></a>00422 <span class="keywordflow">else</span>
360
<a name="l00423"></a>00423 {
361
<a name="l00424"></a>00424 <span class="keywordflow">if</span> ( cr.width() & 1 )
362
<a name="l00425"></a>00425 ws++;
363
<a name="l00426"></a>00426 rSlot = QRect(cr.x() + (cr.width() - ws) / 2,
364
<a name="l00427"></a>00427 cr.y() + ds,
365
<a name="l00428"></a>00428 ws, cr.height() - 2 * ds);
366
<a name="l00429"></a>00429 }
367
<a name="l00430"></a>00430 p->fillRect(rSlot.x(), rSlot.y(), rSlot.width(), rSlot.height(),
368
<a name="l00431"></a>00431 <span class="preprocessor">#if QT_VERSION < 0x040000</span>
369
<a name="l00432"></a>00432 <span class="preprocessor"></span> colorGroup().brush(QColorGroup::Dark)
370
<a name="l00433"></a>00433 <span class="preprocessor">#else</span>
371
<a name="l00434"></a>00434 <span class="preprocessor"></span> palette().brush(QPalette::Dark)
372
<a name="l00435"></a>00435 <span class="preprocessor">#endif</span>
373
<a name="l00436"></a>00436 <span class="preprocessor"></span> );
374
<a name="l00437"></a>00437 qDrawShadePanel(p, rSlot.x(), rSlot.y(),
375
<a name="l00438"></a>00438 rSlot.width(), rSlot.height(),
376
<a name="l00439"></a>00439 <span class="preprocessor">#if QT_VERSION < 0x040000</span>
377
<a name="l00440"></a>00440 <span class="preprocessor"></span> colorGroup(),
378
<a name="l00441"></a>00441 <span class="preprocessor">#else</span>
379
<a name="l00442"></a>00442 <span class="preprocessor"></span> palette(),
380
<a name="l00443"></a>00443 <span class="preprocessor">#endif</span>
381
<a name="l00444"></a>00444 <span class="preprocessor"></span> <span class="keyword">true</span>, 1 ,0);
382
<a name="l00445"></a>00445
383
<a name="l00446"></a>00446 }
384
<a name="l00447"></a>00447
385
<a name="l00448"></a>00448 <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_abstract_slider.html#9fb9fae0f664460bb487a12541b38d56">isValid</a>() )
386
<a name="l00449"></a>00449 <a class="code" href="class_qwt_slider.html#0a5e8c88a520d1601ca4b3282b6b254a">drawThumb</a>(p, cr, <a class="code" href="class_qwt_slider.html#88c8008a4b5f0b2e829e4e364156947a">xyPosition</a>(<a class="code" href="class_qwt_double_range.html#48f21cecc0cbd10f18b234d5bbe55faf">value</a>()));
387
<a name="l00450"></a>00450 }
388
<a name="l00451"></a>00451
389
<a name="l00453"></a><a class="code" href="class_qwt_slider.html#0a5e8c88a520d1601ca4b3282b6b254a">00453</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_slider.html#0a5e8c88a520d1601ca4b3282b6b254a">QwtSlider::drawThumb</a>(QPainter *p, <span class="keyword">const</span> QRect &sliderRect, <span class="keywordtype">int</span> pos)
390
<a name="l00454"></a>00454 {
391
<a name="l00455"></a>00455 pos++; <span class="comment">// shade line points one pixel below</span>
392
<a name="l00456"></a>00456 <span class="keywordflow">if</span> (<a class="code" href="class_qwt_abstract_slider.html#5191a5ae69ab34e24463d23a32dbd02f">orientation</a>() == Qt::Horizontal)
393
<a name="l00457"></a>00457 {
394
<a name="l00458"></a>00458 qDrawShadePanel(p, pos - d_data->thumbLength / 2,
395
<a name="l00459"></a>00459 sliderRect.y(), d_data->thumbLength, sliderRect.height(),
396
<a name="l00460"></a>00460 <span class="preprocessor">#if QT_VERSION < 0x040000</span>
397
<a name="l00461"></a>00461 <span class="preprocessor"></span> colorGroup(),
398
<a name="l00462"></a>00462 <span class="preprocessor">#else</span>
399
<a name="l00463"></a>00463 <span class="preprocessor"></span> palette(),
400
<a name="l00464"></a>00464 <span class="preprocessor">#endif</span>
401
<a name="l00465"></a>00465 <span class="preprocessor"></span> <span class="keyword">false</span>, d_data->borderWidth,
402
<a name="l00466"></a>00466 <span class="preprocessor">#if QT_VERSION < 0x040000</span>
403
<a name="l00467"></a>00467 <span class="preprocessor"></span> &colorGroup().brush(QColorGroup::Button)
404
<a name="l00468"></a>00468 <span class="preprocessor">#else</span>
405
<a name="l00469"></a>00469 <span class="preprocessor"></span> &palette().brush(QPalette::Button)
406
<a name="l00470"></a>00470 <span class="preprocessor">#endif</span>
407
<a name="l00471"></a>00471 <span class="preprocessor"></span> );
408
<a name="l00472"></a>00472
409
<a name="l00473"></a>00473 qDrawShadeLine(p, pos, sliderRect.y(),
410
<a name="l00474"></a>00474 pos, sliderRect.y() + sliderRect.height() - 2,
411
<a name="l00475"></a>00475 <span class="preprocessor">#if QT_VERSION < 0x040000</span>
412
<a name="l00476"></a>00476 <span class="preprocessor"></span> colorGroup(),
413
<a name="l00477"></a>00477 <span class="preprocessor">#else</span>
414
<a name="l00478"></a>00478 <span class="preprocessor"></span> palette(),
415
<a name="l00479"></a>00479 <span class="preprocessor">#endif</span>
416
<a name="l00480"></a>00480 <span class="preprocessor"></span> <span class="keyword">true</span>, 1);
417
<a name="l00481"></a>00481 }
418
<a name="l00482"></a>00482 <span class="keywordflow">else</span> <span class="comment">// Vertical</span>
419
<a name="l00483"></a>00483 {
420
<a name="l00484"></a>00484 qDrawShadePanel(p,sliderRect.x(), pos - d_data->thumbLength / 2,
421
<a name="l00485"></a>00485 sliderRect.width(), d_data->thumbLength,
422
<a name="l00486"></a>00486 <span class="preprocessor">#if QT_VERSION < 0x040000</span>
423
<a name="l00487"></a>00487 <span class="preprocessor"></span> colorGroup(),
424
<a name="l00488"></a>00488 <span class="preprocessor">#else</span>
425
<a name="l00489"></a>00489 <span class="preprocessor"></span> palette(),
426
<a name="l00490"></a>00490 <span class="preprocessor">#endif</span>
427
<a name="l00491"></a>00491 <span class="preprocessor"></span> <span class="keyword">false</span>, d_data->borderWidth,
428
<a name="l00492"></a>00492 <span class="preprocessor">#if QT_VERSION < 0x040000</span>
429
<a name="l00493"></a>00493 <span class="preprocessor"></span> &colorGroup().brush(QColorGroup::Button)
430
<a name="l00494"></a>00494 <span class="preprocessor">#else</span>
431
<a name="l00495"></a>00495 <span class="preprocessor"></span> &palette().brush(QPalette::Button)
432
<a name="l00496"></a>00496 <span class="preprocessor">#endif</span>
433
<a name="l00497"></a>00497 <span class="preprocessor"></span> );
434
<a name="l00498"></a>00498
435
<a name="l00499"></a>00499 qDrawShadeLine(p, sliderRect.x(), pos,
436
<a name="l00500"></a>00500 sliderRect.x() + sliderRect.width() - 2, pos,
437
<a name="l00501"></a>00501 <span class="preprocessor">#if QT_VERSION < 0x040000</span>
438
<a name="l00502"></a>00502 <span class="preprocessor"></span> colorGroup(),
439
<a name="l00503"></a>00503 <span class="preprocessor">#else</span>
440
<a name="l00504"></a>00504 <span class="preprocessor"></span> palette(),
441
<a name="l00505"></a>00505 <span class="preprocessor">#endif</span>
442
<a name="l00506"></a>00506 <span class="preprocessor"></span> <span class="keyword">true</span>, 1);
443
<a name="l00507"></a>00507 }
444
<a name="l00508"></a>00508 }
445
<a name="l00509"></a>00509
446
<a name="l00511"></a><a class="code" href="class_qwt_slider.html#88c8008a4b5f0b2e829e4e364156947a">00511</a> <span class="keywordtype">int</span> <a class="code" href="class_qwt_slider.html#88c8008a4b5f0b2e829e4e364156947a">QwtSlider::xyPosition</a>(<span class="keywordtype">double</span> v)<span class="keyword"> const</span>
447
<a name="l00512"></a>00512 <span class="keyword"></span>{
448
<a name="l00513"></a>00513 <span class="keywordflow">return</span> d_data->map.transform(v);
449
<a name="l00514"></a>00514 }
450
<a name="l00515"></a>00515
451
<a name="l00517"></a><a class="code" href="class_qwt_slider.html#9dce1bf10fdcd92feae56dd77a455358">00517</a> <span class="keywordtype">double</span> <a class="code" href="class_qwt_slider.html#9dce1bf10fdcd92feae56dd77a455358">QwtSlider::getValue</a>(<span class="keyword">const</span> QPoint &p)
452
<a name="l00518"></a>00518 {
453
<a name="l00519"></a>00519 <span class="keywordflow">return</span> d_data->map.invTransform(
454
<a name="l00520"></a>00520 <a class="code" href="class_qwt_abstract_slider.html#5191a5ae69ab34e24463d23a32dbd02f">orientation</a>() == Qt::Horizontal ? p.x() : p.y());
455
<a name="l00521"></a>00521 }
456
<a name="l00522"></a>00522
457
<a name="l00523"></a>00523
458
<a name="l00530"></a><a class="code" href="class_qwt_slider.html#1b901e8ce7cdb3b04cf00caf83dd81af">00530</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_slider.html#1b901e8ce7cdb3b04cf00caf83dd81af">QwtSlider::getScrollMode</a>(<span class="keyword">const</span> QPoint &p,
459
<a name="l00531"></a>00531 <span class="keywordtype">int</span> &scrollMode, <span class="keywordtype">int</span> &direction )
460
<a name="l00532"></a>00532 {
461
<a name="l00533"></a>00533 <span class="keywordflow">if</span> (!d_data->sliderRect.contains(p))
462
<a name="l00534"></a>00534 {
463
<a name="l00535"></a>00535 scrollMode = ScrNone;
464
<a name="l00536"></a>00536 direction = 0;
465
<a name="l00537"></a>00537 <span class="keywordflow">return</span>;
466
<a name="l00538"></a>00538 }
467
<a name="l00539"></a>00539
468
<a name="l00540"></a>00540 <span class="keyword">const</span> <span class="keywordtype">int</span> pos = ( <a class="code" href="class_qwt_abstract_slider.html#5191a5ae69ab34e24463d23a32dbd02f">orientation</a>() == Qt::Horizontal ) ? p.x() : p.y();
469
<a name="l00541"></a>00541 <span class="keyword">const</span> <span class="keywordtype">int</span> markerPos = <a class="code" href="class_qwt_slider.html#88c8008a4b5f0b2e829e4e364156947a">xyPosition</a>(<a class="code" href="class_qwt_double_range.html#48f21cecc0cbd10f18b234d5bbe55faf">value</a>());
470
<a name="l00542"></a>00542
471
<a name="l00543"></a>00543 <span class="keywordflow">if</span> ((pos > markerPos - d_data->thumbLength / 2)
472
<a name="l00544"></a>00544 && (pos < markerPos + d_data-><a class="code" href="class_qwt_slider.html#7f9467f2c0200d02299a14b641748b2b">thumbLength</a> / 2))
473
<a name="l00545"></a>00545 {
474
<a name="l00546"></a>00546 scrollMode = ScrMouse;
475
<a name="l00547"></a>00547 direction = 0;
476
<a name="l00548"></a>00548 <span class="keywordflow">return</span>;
477
<a name="l00549"></a>00549 }
478
<a name="l00550"></a>00550
479
<a name="l00551"></a>00551 scrollMode = ScrPage;
480
<a name="l00552"></a>00552 direction = (pos > markerPos) ? 1 : -1;
481
<a name="l00553"></a>00553
482
<a name="l00554"></a>00554 <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_slider.html#44a95d015b9b846b86ab1a0a44c93617">scaleDraw</a>()->map().p1() > <a class="code" href="class_qwt_slider.html#44a95d015b9b846b86ab1a0a44c93617">scaleDraw</a>()->map().p2() )
483
<a name="l00555"></a>00555 direction = -direction;
484
<a name="l00556"></a>00556 }
485
<a name="l00557"></a>00557
486
<a name="l00559"></a><a class="code" href="class_qwt_slider.html#374057359bceeb3174a35b9240feacf0">00559</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_slider.html#374057359bceeb3174a35b9240feacf0">QwtSlider::paintEvent</a>(QPaintEvent *e)
487
<a name="l00560"></a>00560 {
488
<a name="l00561"></a>00561 <span class="keyword">const</span> QRect &ur = e->rect();
489
<a name="l00562"></a>00562 <span class="keywordflow">if</span> ( ur.isValid() )
490
<a name="l00563"></a>00563 {
491
<a name="l00564"></a>00564 #<span class="keywordflow">if</span> QT_VERSION < 0x040000
492
<a name="l00565"></a>00565 QwtPaintBuffer paintBuffer(<span class="keyword">this</span>, ur);
493
<a name="l00566"></a>00566 <a class="code" href="class_qwt_slider.html#e0bbbd25241b84ef8ff86c698004def8">draw</a>(paintBuffer.painter(), ur);
494
<a name="l00567"></a>00567 <span class="preprocessor">#else</span>
495
<a name="l00568"></a>00568 <span class="preprocessor"></span> QPainter painter(<span class="keyword">this</span>);
496
<a name="l00569"></a>00569 <a class="code" href="class_qwt_slider.html#e0bbbd25241b84ef8ff86c698004def8">draw</a>(&painter, ur);
497
<a name="l00570"></a>00570 <span class="preprocessor">#endif</span>
498
<a name="l00571"></a>00571 <span class="preprocessor"></span> }
499
<a name="l00572"></a>00572 }
500
<a name="l00573"></a>00573
501
<a name="l00575"></a><a class="code" href="class_qwt_slider.html#e0bbbd25241b84ef8ff86c698004def8">00575</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_slider.html#e0bbbd25241b84ef8ff86c698004def8">QwtSlider::draw</a>(QPainter *painter, <span class="keyword">const</span> QRect&)
502
<a name="l00576"></a>00576 {
503
<a name="l00577"></a>00577 <span class="keywordflow">if</span> (d_data->scalePos != NoScale)
504
<a name="l00578"></a>00578 {
505
<a name="l00579"></a>00579 <span class="preprocessor">#if QT_VERSION < 0x040000</span>
506
<a name="l00580"></a>00580 <span class="preprocessor"></span> <a class="code" href="class_qwt_slider.html#44a95d015b9b846b86ab1a0a44c93617">scaleDraw</a>()-><a class="code" href="class_qwt_abstract_scale_draw.html#c4442d7480db1288971e7eac15142467">draw</a>(painter, colorGroup());
507
<a name="l00581"></a>00581 <span class="preprocessor">#else</span>
508
<a name="l00582"></a>00582 <span class="preprocessor"></span> <a class="code" href="class_qwt_slider.html#44a95d015b9b846b86ab1a0a44c93617">scaleDraw</a>()-><a class="code" href="class_qwt_abstract_scale_draw.html#c4442d7480db1288971e7eac15142467">draw</a>(painter, palette());
509
<a name="l00583"></a>00583 <span class="preprocessor">#endif</span>
510
<a name="l00584"></a>00584 <span class="preprocessor"></span> }
511
<a name="l00585"></a>00585
512
<a name="l00586"></a>00586 <a class="code" href="class_qwt_slider.html#9bfe362dcd3f4318595ce85671c96a64">drawSlider</a>(painter, d_data->sliderRect);
513
<a name="l00587"></a>00587
514
<a name="l00588"></a>00588 <span class="keywordflow">if</span> ( hasFocus() )
515
<a name="l00589"></a>00589 <a class="code" href="class_qwt_painter.html#bb6bbb26f325e33236c5292107e44102">QwtPainter::drawFocusRect</a>(painter, <span class="keyword">this</span>, d_data->sliderRect);
516
<a name="l00590"></a>00590 }
517
<a name="l00591"></a>00591
518
<a name="l00593"></a><a class="code" href="class_qwt_slider.html#92af990b20794fe27934c6fa2ee7a435">00593</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_slider.html#92af990b20794fe27934c6fa2ee7a435">QwtSlider::resizeEvent</a>(QResizeEvent *)
519
<a name="l00594"></a>00594 {
520
<a name="l00595"></a>00595 <a class="code" href="class_qwt_slider.html#94d3a5a87c2591f21e458ff6aa358009">layoutSlider</a>( <span class="keyword">false</span> );
521
<a name="l00596"></a>00596 }
522
<a name="l00597"></a>00597
523
<a name="l00604"></a><a class="code" href="class_qwt_slider.html#94d3a5a87c2591f21e458ff6aa358009">00604</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_slider.html#94d3a5a87c2591f21e458ff6aa358009">QwtSlider::layoutSlider</a>( <span class="keywordtype">bool</span> update_geometry )
524
<a name="l00605"></a>00605 {
525
<a name="l00606"></a>00606 <span class="keywordtype">int</span> sliderWidth = d_data->thumbWidth;
526
<a name="l00607"></a>00607 <span class="keywordtype">int</span> sld1 = d_data->thumbLength / 2 - 1;
527
<a name="l00608"></a>00608 <span class="keywordtype">int</span> sld2 = d_data->thumbLength / 2 + d_data->thumbLength % 2;
528
<a name="l00609"></a>00609 <span class="keywordflow">if</span> ( d_data->bgStyle & BgTrough )
529
<a name="l00610"></a>00610 {
530
<a name="l00611"></a>00611 sliderWidth += 2 * d_data->borderWidth;
531
<a name="l00612"></a>00612 sld1 += d_data->borderWidth;
532
<a name="l00613"></a>00613 sld2 += d_data->borderWidth;
533
<a name="l00614"></a>00614 }
534
<a name="l00615"></a>00615
535
<a name="l00616"></a>00616 <span class="keywordtype">int</span> scd = 0;
536
<a name="l00617"></a>00617 <span class="keywordflow">if</span> ( d_data->scalePos != NoScale )
537
<a name="l00618"></a>00618 {
538
<a name="l00619"></a>00619 <span class="keywordtype">int</span> d1, d2;
539
<a name="l00620"></a>00620 <a class="code" href="class_qwt_slider.html#44a95d015b9b846b86ab1a0a44c93617">scaleDraw</a>()-><a class="code" href="class_qwt_scale_draw.html#3d8ac98bc2a52dbc5df76e427b47753c">getBorderDistHint</a>(font(), d1, d2);
540
<a name="l00621"></a>00621 scd = qwtMax(d1, d2);
541
<a name="l00622"></a>00622 }
542
<a name="l00623"></a>00623
543
<a name="l00624"></a>00624 <span class="keywordtype">int</span> slo = scd - sld1;
544
<a name="l00625"></a>00625 <span class="keywordflow">if</span> ( slo < 0 )
545
<a name="l00626"></a>00626 slo = 0;
546
<a name="l00627"></a>00627
547
<a name="l00628"></a>00628 <span class="keywordtype">int</span> x, y, length;
548
<a name="l00629"></a>00629
549
<a name="l00630"></a>00630 <span class="keyword">const</span> QRect r = rect();
550
<a name="l00631"></a>00631 <span class="keywordflow">if</span> (<a class="code" href="class_qwt_abstract_slider.html#5191a5ae69ab34e24463d23a32dbd02f">orientation</a>() == Qt::Horizontal)
551
<a name="l00632"></a>00632 {
552
<a name="l00633"></a>00633 <span class="keywordflow">switch</span> (d_data->scalePos)
553
<a name="l00634"></a>00634 {
554
<a name="l00635"></a>00635 <span class="keywordflow">case</span> TopScale:
555
<a name="l00636"></a>00636 {
556
<a name="l00637"></a>00637 d_data->sliderRect.setRect(
557
<a name="l00638"></a>00638 r.x() + d_data->xMargin + slo,
558
<a name="l00639"></a>00639 r.y() + r.height() -
559
<a name="l00640"></a>00640 d_data->yMargin - sliderWidth,
560
<a name="l00641"></a>00641 r.width() - 2 * d_data->xMargin - 2 * slo,
561
<a name="l00642"></a>00642 sliderWidth);
562
<a name="l00643"></a>00643
563
<a name="l00644"></a>00644 x = d_data->sliderRect.x() + sld1;
564
<a name="l00645"></a>00645 y = d_data->sliderRect.y() - d_data->scaleDist;
565
<a name="l00646"></a>00646
566
<a name="l00647"></a>00647 <span class="keywordflow">break</span>;
567
<a name="l00648"></a>00648 }
568
<a name="l00649"></a>00649
569
<a name="l00650"></a>00650 <span class="keywordflow">case</span> BottomScale:
570
<a name="l00651"></a>00651 {
571
<a name="l00652"></a>00652 d_data->sliderRect.setRect(
572
<a name="l00653"></a>00653 r.x() + d_data->xMargin + slo,
573
<a name="l00654"></a>00654 r.y() + d_data->yMargin,
574
<a name="l00655"></a>00655 r.width() - 2 * d_data->xMargin - 2 * slo,
575
<a name="l00656"></a>00656 sliderWidth);
576
<a name="l00657"></a>00657
577
<a name="l00658"></a>00658 x = d_data->sliderRect.x() + sld1;
578
<a name="l00659"></a>00659 y = d_data->sliderRect.y() + d_data->sliderRect.height()
579
<a name="l00660"></a>00660 + d_data->scaleDist;
580
<a name="l00661"></a>00661
581
<a name="l00662"></a>00662 <span class="keywordflow">break</span>;
582
<a name="l00663"></a>00663 }
583
<a name="l00664"></a>00664
584
<a name="l00665"></a>00665 <span class="keywordflow">case</span> NoScale: <span class="comment">// like Bottom, but no scale. See QwtSlider().</span>
585
<a name="l00666"></a>00666 <span class="keywordflow">default</span>: <span class="comment">// inconsistent orientation and scale position</span>
586
<a name="l00667"></a>00667 {
587
<a name="l00668"></a>00668 d_data->sliderRect.setRect(
588
<a name="l00669"></a>00669 r.x() + d_data->xMargin + slo,
589
<a name="l00670"></a>00670 r.y() + d_data->yMargin,
590
<a name="l00671"></a>00671 r.width() - 2 * d_data->xMargin - 2 * slo,
591
<a name="l00672"></a>00672 sliderWidth);
592
<a name="l00673"></a>00673
593
<a name="l00674"></a>00674 x = d_data->sliderRect.x() + sld1;
594
<a name="l00675"></a>00675 y = 0;
595
<a name="l00676"></a>00676
596
<a name="l00677"></a>00677 <span class="keywordflow">break</span>;
597
<a name="l00678"></a>00678 }
598
<a name="l00679"></a>00679 }
599
<a name="l00680"></a>00680 length = d_data->sliderRect.width() - (sld1 + sld2);
600
<a name="l00681"></a>00681 }
601
<a name="l00682"></a>00682 <span class="keywordflow">else</span> <span class="comment">// if (orientation() == Qt::Vertical</span>
602
<a name="l00683"></a>00683 {
603
<a name="l00684"></a>00684 <span class="keywordflow">switch</span> (d_data->scalePos)
604
<a name="l00685"></a>00685 {
605
<a name="l00686"></a>00686 <span class="keywordflow">case</span> RightScale:
606
<a name="l00687"></a>00687 d_data->sliderRect.setRect(
607
<a name="l00688"></a>00688 r.x() + d_data->xMargin,
608
<a name="l00689"></a>00689 r.y() + d_data->yMargin + slo,
609
<a name="l00690"></a>00690 sliderWidth,
610
<a name="l00691"></a>00691 r.height() - 2 * d_data->yMargin - 2 * slo);
611
<a name="l00692"></a>00692
612
<a name="l00693"></a>00693 x = d_data->sliderRect.x() + d_data->sliderRect.width()
613
<a name="l00694"></a>00694 + d_data->scaleDist;
614
<a name="l00695"></a>00695 y = d_data->sliderRect.y() + sld1;
615
<a name="l00696"></a>00696
616
<a name="l00697"></a>00697 <span class="keywordflow">break</span>;
617
<a name="l00698"></a>00698
618
<a name="l00699"></a>00699 <span class="keywordflow">case</span> LeftScale:
619
<a name="l00700"></a>00700 d_data->sliderRect.setRect(
620
<a name="l00701"></a>00701 r.x() + r.width() - sliderWidth - d_data->xMargin,
621
<a name="l00702"></a>00702 r.y() + d_data->yMargin + slo,
622
<a name="l00703"></a>00703 sliderWidth,
623
<a name="l00704"></a>00704 r.height() - 2 * d_data->yMargin - 2 * slo);
624
<a name="l00705"></a>00705
625
<a name="l00706"></a>00706 x = d_data->sliderRect.x() - d_data->scaleDist;
626
<a name="l00707"></a>00707 y = d_data->sliderRect.y() + sld1;
627
<a name="l00708"></a>00708
628
<a name="l00709"></a>00709 <span class="keywordflow">break</span>;
629
<a name="l00710"></a>00710
630
<a name="l00711"></a>00711 <span class="keywordflow">case</span> NoScale: <span class="comment">// like Left, but no scale. See QwtSlider().</span>
631
<a name="l00712"></a>00712 <span class="keywordflow">default</span>: <span class="comment">// inconsistent orientation and scale position</span>
632
<a name="l00713"></a>00713 d_data->sliderRect.setRect(
633
<a name="l00714"></a>00714 r.x() + r.width() - sliderWidth - d_data->xMargin,
634
<a name="l00715"></a>00715 r.y() + d_data->yMargin + slo,
635
<a name="l00716"></a>00716 sliderWidth,
636
<a name="l00717"></a>00717 r.height() - 2 * d_data->yMargin - 2 * slo);
637
<a name="l00718"></a>00718
638
<a name="l00719"></a>00719 x = 0;
639
<a name="l00720"></a>00720 y = d_data->sliderRect.y() + sld1;
640
<a name="l00721"></a>00721
641
<a name="l00722"></a>00722 <span class="keywordflow">break</span>;
642
<a name="l00723"></a>00723 }
643
<a name="l00724"></a>00724 length = d_data->sliderRect.height() - (sld1 + sld2);
644
<a name="l00725"></a>00725 }
645
<a name="l00726"></a>00726
646
<a name="l00727"></a>00727 <a class="code" href="class_qwt_slider.html#44a95d015b9b846b86ab1a0a44c93617">scaleDraw</a>()-><a class="code" href="class_qwt_scale_draw.html#d301aed0c797c10f0104976d1a62ff69">move</a>(x, y);
647
<a name="l00728"></a>00728 <a class="code" href="class_qwt_slider.html#44a95d015b9b846b86ab1a0a44c93617">scaleDraw</a>()-><a class="code" href="class_qwt_scale_draw.html#2094e09579671d0a8e4b14a636eba6ef">setLength</a>(length);
648
<a name="l00729"></a>00729
649
<a name="l00730"></a>00730 d_data->map.setPaintXInterval(<a class="code" href="class_qwt_slider.html#44a95d015b9b846b86ab1a0a44c93617">scaleDraw</a>()->map().p1(),
650
<a name="l00731"></a>00731 <a class="code" href="class_qwt_slider.html#44a95d015b9b846b86ab1a0a44c93617">scaleDraw</a>()->map().p2());
651
<a name="l00732"></a>00732
652
<a name="l00733"></a>00733 <span class="keywordflow">if</span> ( update_geometry )
653
<a name="l00734"></a>00734 {
654
<a name="l00735"></a>00735 d_data->sizeHintCache = QSize(); <span class="comment">// invalidate</span>
655
<a name="l00736"></a>00736 updateGeometry();
656
<a name="l00737"></a>00737 update();
657
<a name="l00738"></a>00738 }
658
<a name="l00739"></a>00739 }
659
<a name="l00740"></a>00740
660
<a name="l00742"></a><a class="code" href="class_qwt_slider.html#62380259b0831ad98a1b0ad011f32bea">00742</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_slider.html#62380259b0831ad98a1b0ad011f32bea">QwtSlider::valueChange</a>()
661
<a name="l00743"></a>00743 {
662
<a name="l00744"></a>00744 <a class="code" href="class_qwt_abstract_slider.html#2f04dc51e4402b51fef3250bcc99dc7f">QwtAbstractSlider::valueChange</a>();
663
<a name="l00745"></a>00745 update();
664
<a name="l00746"></a>00746 }
665
<a name="l00747"></a>00747
666
<a name="l00748"></a>00748
667
<a name="l00750"></a><a class="code" href="class_qwt_slider.html#e8eff3a30ef4086cac42d244cef81ac0">00750</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_slider.html#e8eff3a30ef4086cac42d244cef81ac0">QwtSlider::rangeChange</a>()
668
<a name="l00751"></a>00751 {
669
<a name="l00752"></a>00752 d_data->map.setScaleInterval(<a class="code" href="class_qwt_double_range.html#d4cdcc335facc9cdcc12411ad0274169">minValue</a>(), <a class="code" href="class_qwt_double_range.html#dc07a0603792664d8400e3ba3c3a8f3a">maxValue</a>());
670
<a name="l00753"></a>00753
671
<a name="l00754"></a>00754 <span class="keywordflow">if</span> (<a class="code" href="class_qwt_abstract_scale.html#5b428a7c82bb3446b6a86ea4439d6970">autoScale</a>())
672
<a name="l00755"></a>00755 <a class="code" href="class_qwt_abstract_scale.html#bd7c6b312b41882a3b509aadc9ada46e">rescale</a>(<a class="code" href="class_qwt_double_range.html#d4cdcc335facc9cdcc12411ad0274169">minValue</a>(), <a class="code" href="class_qwt_double_range.html#dc07a0603792664d8400e3ba3c3a8f3a">maxValue</a>());
673
<a name="l00756"></a>00756
674
<a name="l00757"></a>00757 <a class="code" href="class_qwt_double_range.html#3583134a1ac32706aa4742088bb9d4dc">QwtAbstractSlider::rangeChange</a>();
675
<a name="l00758"></a>00758 <a class="code" href="class_qwt_slider.html#94d3a5a87c2591f21e458ff6aa358009">layoutSlider</a>();
676
<a name="l00759"></a>00759 }
677
<a name="l00760"></a>00760
678
<a name="l00766"></a><a class="code" href="class_qwt_slider.html#32e5dabf7627458b97f81be6c5272a52">00766</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_slider.html#32e5dabf7627458b97f81be6c5272a52">QwtSlider::setMargins</a>(<span class="keywordtype">int</span> xMargin, <span class="keywordtype">int</span> yMargin)
679
<a name="l00767"></a>00767 {
680
<a name="l00768"></a>00768 <span class="keywordflow">if</span> ( xMargin < 0 )
681
<a name="l00769"></a>00769 xMargin = 0;
682
<a name="l00770"></a>00770 <span class="keywordflow">if</span> ( yMargin < 0 )
683
<a name="l00771"></a>00771 yMargin = 0;
684
<a name="l00772"></a>00772
685
<a name="l00773"></a>00773 <span class="keywordflow">if</span> ( xMargin != d_data->xMargin || yMargin != d_data->yMargin )
686
<a name="l00774"></a>00774 {
687
<a name="l00775"></a>00775 d_data->xMargin = xMargin;
688
<a name="l00776"></a>00776 d_data->yMargin = yMargin;
689
<a name="l00777"></a>00777 <a class="code" href="class_qwt_slider.html#94d3a5a87c2591f21e458ff6aa358009">layoutSlider</a>();
690
<a name="l00778"></a>00778 }
691
<a name="l00779"></a>00779 }
692
<a name="l00780"></a>00780
693
<a name="l00784"></a><a class="code" href="class_qwt_slider.html#425ca7b06f3cde9625b35e643ed2c647">00784</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_slider.html#425ca7b06f3cde9625b35e643ed2c647">QwtSlider::setBgStyle</a>(<a class="code" href="class_qwt_slider.html#60df2c6dd8d5419625a2f3f024bf29c6">BGSTYLE</a> st)
694
<a name="l00785"></a>00785 {
695
<a name="l00786"></a>00786 d_data->bgStyle = st;
696
<a name="l00787"></a>00787 <a class="code" href="class_qwt_slider.html#94d3a5a87c2591f21e458ff6aa358009">layoutSlider</a>();
697
<a name="l00788"></a>00788 }
698
<a name="l00789"></a>00789
699
<a name="l00793"></a><a class="code" href="class_qwt_slider.html#e93eccfbc0f33aadd7da84a3c7b29cc7">00793</a> <a class="code" href="class_qwt_slider.html#60df2c6dd8d5419625a2f3f024bf29c6">QwtSlider::BGSTYLE</a> <a class="code" href="class_qwt_slider.html#e93eccfbc0f33aadd7da84a3c7b29cc7">QwtSlider::bgStyle</a>()<span class="keyword"> const </span>
700
<a name="l00794"></a>00794 <span class="keyword"></span>{
701
<a name="l00795"></a>00795 <span class="keywordflow">return</span> d_data->bgStyle;
702
<a name="l00796"></a>00796 }
703
<a name="l00797"></a>00797
704
<a name="l00801"></a><a class="code" href="class_qwt_slider.html#7f9467f2c0200d02299a14b641748b2b">00801</a> <span class="keywordtype">int</span> <a class="code" href="class_qwt_slider.html#7f9467f2c0200d02299a14b641748b2b">QwtSlider::thumbLength</a>()<span class="keyword"> const </span>
705
<a name="l00802"></a>00802 <span class="keyword"></span>{
706
<a name="l00803"></a>00803 <span class="keywordflow">return</span> d_data->thumbLength;
707
<a name="l00804"></a>00804 }
708
<a name="l00805"></a>00805
709
<a name="l00809"></a><a class="code" href="class_qwt_slider.html#db669a4a0d4472d2dd342f2a932100e0">00809</a> <span class="keywordtype">int</span> <a class="code" href="class_qwt_slider.html#db669a4a0d4472d2dd342f2a932100e0">QwtSlider::thumbWidth</a>()<span class="keyword"> const </span>
710
<a name="l00810"></a>00810 <span class="keyword"></span>{
711
<a name="l00811"></a>00811 <span class="keywordflow">return</span> d_data->thumbWidth;
712
<a name="l00812"></a>00812 }
713
<a name="l00813"></a>00813
714
<a name="l00817"></a><a class="code" href="class_qwt_slider.html#41e8e0042018ff8f910a8eb4f2a55fec">00817</a> <span class="keywordtype">int</span> <a class="code" href="class_qwt_slider.html#41e8e0042018ff8f910a8eb4f2a55fec">QwtSlider::borderWidth</a>()<span class="keyword"> const </span>
715
<a name="l00818"></a>00818 <span class="keyword"></span>{
716
<a name="l00819"></a>00819 <span class="keywordflow">return</span> d_data->borderWidth;
717
<a name="l00820"></a>00820 }
718
<a name="l00821"></a>00821
719
<a name="l00825"></a><a class="code" href="class_qwt_slider.html#7d40fb51cf713b3fbf7cf2086880d85b">00825</a> QSize <a class="code" href="class_qwt_slider.html#7d40fb51cf713b3fbf7cf2086880d85b">QwtSlider::sizeHint</a>()<span class="keyword"> const</span>
720
<a name="l00826"></a>00826 <span class="keyword"></span>{
721
<a name="l00827"></a>00827 <span class="keywordflow">return</span> <a class="code" href="class_qwt_slider.html#6a676f14b18bd64a947365b97ebfbb4a">minimumSizeHint</a>();
722
<a name="l00828"></a>00828 }
723
<a name="l00829"></a>00829
724
<a name="l00835"></a><a class="code" href="class_qwt_slider.html#6a676f14b18bd64a947365b97ebfbb4a">00835</a> QSize <a class="code" href="class_qwt_slider.html#6a676f14b18bd64a947365b97ebfbb4a">QwtSlider::minimumSizeHint</a>()<span class="keyword"> const</span>
725
<a name="l00836"></a>00836 <span class="keyword"></span>{
726
<a name="l00837"></a>00837 <span class="keywordflow">if</span> (!d_data->sizeHintCache.isEmpty())
727
<a name="l00838"></a>00838 <span class="keywordflow">return</span> d_data->sizeHintCache;
728
<a name="l00839"></a>00839
729
<a name="l00840"></a>00840 <span class="keywordtype">int</span> sliderWidth = d_data->thumbWidth;
730
<a name="l00841"></a>00841 if (d_data->bgStyle & BgTrough)
731
<a name="l00842"></a>00842 sliderWidth += 2 * d_data->borderWidth;
732
<a name="l00843"></a>00843
733
<a name="l00844"></a>00844 <span class="keywordtype">int</span> w = 0, h = 0;
734
<a name="l00845"></a>00845 <span class="keywordflow">if</span> (d_data->scalePos != NoScale)
735
<a name="l00846"></a>00846 {
736
<a name="l00847"></a>00847 <span class="keywordtype">int</span> d1, d2;
737
<a name="l00848"></a>00848 <a class="code" href="class_qwt_slider.html#44a95d015b9b846b86ab1a0a44c93617">scaleDraw</a>()-><a class="code" href="class_qwt_scale_draw.html#3d8ac98bc2a52dbc5df76e427b47753c">getBorderDistHint</a>(font(), d1, d2);
738
<a name="l00849"></a>00849 <span class="keywordtype">int</span> msMbd = qwtMax(d1, d2);
739
<a name="l00850"></a>00850
740
<a name="l00851"></a>00851 <span class="keywordtype">int</span> mbd = d_data->thumbLength / 2;
741
<a name="l00852"></a>00852 <span class="keywordflow">if</span> (d_data->bgStyle & BgTrough)
742
<a name="l00853"></a>00853 mbd += d_data->borderWidth;
743
<a name="l00854"></a>00854
744
<a name="l00855"></a>00855 <span class="keywordflow">if</span> ( mbd < msMbd )
745
<a name="l00856"></a>00856 mbd = msMbd;
746
<a name="l00857"></a>00857
747
<a name="l00858"></a>00858 <span class="keyword">const</span> <span class="keywordtype">int</span> sdExtent = <a class="code" href="class_qwt_slider.html#44a95d015b9b846b86ab1a0a44c93617">scaleDraw</a>()-><a class="code" href="class_qwt_scale_draw.html#5cba775772b121b45cb10c120b3cf825">extent</a>( QPen(), font() );
748
<a name="l00859"></a>00859 <span class="keyword">const</span> <span class="keywordtype">int</span> sdLength = <a class="code" href="class_qwt_slider.html#44a95d015b9b846b86ab1a0a44c93617">scaleDraw</a>()-><a class="code" href="class_qwt_scale_draw.html#ed2373becd1428c14eaa5412af45205a">minLength</a>( QPen(), font() );
749
<a name="l00860"></a>00860
750
<a name="l00861"></a>00861 h = sliderWidth + sdExtent + d_data->scaleDist;
751
<a name="l00862"></a>00862 w = sdLength - 2 * msMbd + 2 * mbd;
752
<a name="l00863"></a>00863 }
753
<a name="l00864"></a>00864 <span class="keywordflow">else</span> <span class="comment">// no scale</span>
754
<a name="l00865"></a>00865 {
755
<a name="l00866"></a>00866 w = 200;
756
<a name="l00867"></a>00867 h = sliderWidth;
757
<a name="l00868"></a>00868 }
758
<a name="l00869"></a>00869
759
<a name="l00870"></a>00870 <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_abstract_slider.html#5191a5ae69ab34e24463d23a32dbd02f">orientation</a>() == Qt::Vertical )
760
<a name="l00871"></a>00871 qSwap(w, h);
761
<a name="l00872"></a>00872
762
<a name="l00873"></a>00873 w += 2 * d_data->xMargin;
763
<a name="l00874"></a>00874 h += 2 * d_data->yMargin;
764
<a name="l00875"></a>00875
765
<a name="l00876"></a>00876 d_data->sizeHintCache = QSize(w, h);
766
<a name="l00877"></a>00877 <span class="keywordflow">return</span> d_data->sizeHintCache;
767
<a name="l00878"></a>00878 }
768
</pre></div><hr size="1"><address style="align: right;"><small>Generated on Sat May 24 18:47:40 2008 for Qwt User's Guide by
769
<a href="http://www.doxygen.org/index.html">
770
<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__slider_8cpp-source.html
