~ubuntu-branches/ubuntu/oneiric/qwt/oneiric-proposed

<h1>qwt_picker.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 /* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************

<a name="l00002"></a>00002 * Qwt Widget Library

<a name="l00005"></a>00005 *

<a name="l00006"></a>00006 * This library is free software; you can redistribute it and/or

<a name="l00007"></a>00007 * modify it under the terms of the Qwt License, Version 1.0

<a name="l00008"></a>00008 *****************************************************************************/

<a name="l00009"></a>00009

<a name="l00010"></a>00010 #include <qapplication.h>

<a name="l00011"></a>00011 #include <qevent.h>

<a name="l00012"></a>00012 #include <qpainter.h>

<a name="l00013"></a>00013 #include <qframe.h>

<a name="l00014"></a>00014 #include <qcursor.h>

<a name="l00015"></a>00015 #include <qbitmap.h>

<a name="l00016"></a>00016 #include "qwt_math.h"

<a name="l00017"></a>00017 #include "qwt_painter.h"

<a name="l00018"></a>00018 #include "qwt_picker_machine.h"

<a name="l00019"></a>00019 #include "qwt_picker.h"

<a name="l00020"></a>00020 #if QT_VERSION < 0x040000

<a name="l00021"></a>00021 #include <qguardedptr.h>

<a name="l00022"></a>00022 #else

<a name="l00023"></a>00023 #include <qpointer.h>

<a name="l00024"></a>00024 #endif

<a name="l00025"></a>00025

<a name="l00026"></a>00026 class QwtPicker::PrivateData

<a name="l00027"></a>00027 {

<a name="l00028"></a>00028 public:

<a name="l00029"></a>00029 class PickerWidget: public QWidget

<a name="l00030"></a>00030 {

<a name="l00031"></a>00031 public:

<a name="l00032"></a>00032 enum Type

<a name="l00033"></a>00033 {

<a name="l00034"></a>00034 <a class="code" href="class_qwt_picker.html#b36c79d8ff20aba5b778d2823c1f7894">RubberBand</a>,

<a name="l00035"></a>00035 Text

<a name="l00036"></a>00036 };

<a name="l00037"></a>00037 PickerWidget(<a class="code" href="class_qwt_picker.html">QwtPicker</a> *, QWidget *, Type);

<a name="l00038"></a>00038 virtual void updateMask();

<a name="l00039"></a>00039

<a name="l00040"></a>00040 protected:

<a name="l00041"></a>00041 virtual void paintEvent(QPaintEvent *);

<a name="l00042"></a>00042

<a name="l00043"></a>00043 <a class="code" href="class_qwt_picker.html">QwtPicker</a> *d_picker;

<a name="l00044"></a>00044 Type d_type;

<a name="l00045"></a>00045 };

<a name="l00046"></a>00046

<a name="l00047"></a>00047 bool enabled;

<a name="l00048"></a>00048

<a name="l00049"></a>00049 <a class="code" href="class_qwt_picker_machine.html">QwtPickerMachine</a> *<a class="code" href="class_qwt_picker.html#aad63b94d03f8ebb363ed51d7c2a0dd2">stateMachine</a>;

<a name="l00050"></a>00050

<a name="l00051"></a>00051 int <a class="code" href="class_qwt_picker.html#d8e6fc50cd841e543a359c099024c448">selectionFlags</a>;

<a name="l00052"></a>00052 <a class="code" href="class_qwt_picker.html#b3c894deed026f392496dd07809a6fd3">QwtPicker::ResizeMode</a> <a class="code" href="class_qwt_picker.html#684032c8aea570b069da2f8193760df9">resizeMode</a>;

<a name="l00053"></a>00053

<a name="l00054"></a>00054 <a class="code" href="class_qwt_picker.html#b36c79d8ff20aba5b778d2823c1f7894">QwtPicker::RubberBand</a> <a class="code" href="class_qwt_picker.html#6a7af18636587af2c11a6c060929403a">rubberBand</a>;

<a name="l00055"></a>00055 QPen <a class="code" href="class_qwt_picker.html#074492301e00535def0fe2cb449fba37">rubberBandPen</a>;

<a name="l00056"></a>00056

<a name="l00057"></a>00057 <a class="code" href="class_qwt_picker.html#01be4d404ffc3a7b238b0d0aaeb66b93">QwtPicker::DisplayMode</a> <a class="code" href="class_qwt_picker.html#0647370ed08612d2a55742dc00f6acb7">trackerMode</a>;

<a name="l00058"></a>00058 QPen <a class="code" href="class_qwt_picker.html#a45bf8a52ea95bdf63e2225ec7fa8063">trackerPen</a>;

<a name="l00059"></a>00059 QFont <a class="code" href="class_qwt_picker.html#e87b2ac560d8795a302ee00c0ff0ab3d">trackerFont</a>;

<a name="l00060"></a>00060

<a name="l00061"></a>00061 QwtPolygon <a class="code" href="class_qwt_picker.html#c1eb6aa4b264116ac7411ae799862676">selection</a>;

<a name="l00062"></a>00062 bool <a class="code" href="class_qwt_picker.html#f825f383c74928d1541f139e102983f9">isActive</a>;

<a name="l00063"></a>00063 QPoint labelPosition;

<a name="l00064"></a>00064

<a name="l00065"></a>00065 bool mouseTracking; // used to save previous value

<a name="l00066"></a>00066

<a name="l00067"></a>00067 /*

<a name="l00068"></a>00068 On X11 the widget below the picker widgets gets paint events

<a name="l00069"></a>00069 with a region that is the bounding rect of the mask, if it is complex.

<a name="l00070"></a>00070 In case of (f.e) a CrossRubberBand and a text this creates complete

<a name="l00071"></a>00071 repaints of the widget. So we better use two different widgets.

<a name="l00072"></a>00072 */

<a name="l00073"></a>00073

<a name="l00074"></a>00074 #if QT_VERSION < 0x040000

<a name="l00075"></a>00075 QGuardedPtr<PickerWidget> <a class="code" href="class_qwt_picker.html#a13f79148c53b9aec63f14b62ccc98cb">rubberBandWidget</a>;

<a name="l00076"></a>00076 QGuardedPtr<PickerWidget> <a class="code" href="class_qwt_picker.html#5eb014068d91e1b26a937fc90b035efc">trackerWidget</a>;

<a name="l00077"></a>00077 #else

<a name="l00078"></a>00078 QPointer<PickerWidget> <a class="code" href="class_qwt_picker.html#a13f79148c53b9aec63f14b62ccc98cb">rubberBandWidget</a>;

<a name="l00079"></a>00079 QPointer<PickerWidget> <a class="code" href="class_qwt_picker.html#5eb014068d91e1b26a937fc90b035efc">trackerWidget</a>;

<a name="l00080"></a>00080 #endif

<a name="l00081"></a>00081 };

<a name="l00082"></a>00082

<a name="l00083"></a>00083 QwtPicker::PrivateData::PickerWidget::PickerWidget(

<a name="l00084"></a>00084 <a class="code" href="class_qwt_picker.html">QwtPicker</a> *picker, QWidget *parent, Type type):

<a name="l00085"></a>00085 QWidget(parent),

100

<a name="l00086"></a>00086 d_picker(picker),

101

<a name="l00087"></a>00087 d_type(type)

102

<a name="l00088"></a>00088 {

103

<a name="l00089"></a>00089 #if QT_VERSION >= 0x040000

104

<a name="l00090"></a>00090 setAttribute(Qt::WA_TransparentForMouseEvents);

105

<a name="l00091"></a>00091 setAttribute(Qt::WA_NoSystemBackground);

106

<a name="l00092"></a>00092 #if 0

107

<a name="l00093"></a>00093 setAttribute(Qt::WA_PaintOnScreen);

108

<a name="l00094"></a>00094 #endif

109

<a name="l00095"></a>00095 setFocusPolicy(Qt::NoFocus);

110

<a name="l00096"></a>00096 #else

111

<a name="l00097"></a>00097 setBackgroundMode(Qt::NoBackground);

112

<a name="l00098"></a>00098 setFocusPolicy(QWidget::NoFocus);

113

<a name="l00099"></a>00099 setMouseTracking(true);

114

<a name="l00100"></a>00100 #endif

115

<a name="l00101"></a>00101 hide();

116

<a name="l00102"></a>00102 }

117

<a name="l00103"></a>00103

118

<a name="l00104"></a>00104 void QwtPicker::PrivateData::PickerWidget::updateMask()

119

<a name="l00105"></a>00105 {

120

<a name="l00106"></a>00106 QBitmap bm(width(), height());

121

<a name="l00107"></a>00107 bm.fill(Qt::color0);

122

<a name="l00108"></a>00108

123

<a name="l00109"></a>00109 QPainter painter(&bm);

124

<a name="l00110"></a>00110

125

<a name="l00111"></a>00111 if ( d_type == RubberBand )

126

<a name="l00112"></a>00112 {

127

<a name="l00113"></a>00113 QPen pen = d_picker->rubberBandPen();

128

<a name="l00114"></a>00114 pen.setColor(Qt::color1);

129

<a name="l00115"></a>00115 painter.setPen(pen);

130

<a name="l00116"></a>00116

131

<a name="l00117"></a>00117 d_picker->drawRubberBand(&painter);

132

<a name="l00118"></a>00118 }

133

<a name="l00119"></a>00119 if ( d_type == Text )

134

<a name="l00120"></a>00120 {

135

<a name="l00121"></a>00121 QPen pen = d_picker->trackerPen();

136

<a name="l00122"></a>00122 pen.setColor(Qt::color1);

137

<a name="l00123"></a>00123 painter.setPen(pen);

138

<a name="l00124"></a>00124

139

<a name="l00125"></a>00125 d_picker->drawTracker(&painter);

140

<a name="l00126"></a>00126 }

141

<a name="l00127"></a>00127

142

<a name="l00128"></a>00128 painter.end();

143

<a name="l00129"></a>00129

144

<a name="l00130"></a>00130

145

<a name="l00131"></a>00131 #if QT_VERSION < 0x040000

146

<a name="l00132"></a>00132 QWidget *w = parentWidget();

147

<a name="l00133"></a>00133 const bool doUpdate = w->isUpdatesEnabled();

148

<a name="l00134"></a>00134 const Qt::BackgroundMode bgMode = w->backgroundMode();

149

<a name="l00135"></a>00135 w->setUpdatesEnabled(false);

150

<a name="l00136"></a>00136 if ( bgMode != Qt::NoBackground )

151

<a name="l00137"></a>00137 w->setBackgroundMode(Qt::NoBackground);

152

<a name="l00138"></a>00138 #endif

153

<a name="l00139"></a>00139

154

<a name="l00140"></a>00140 const QRegion r(bm);

155

<a name="l00141"></a>00141 setMask(r);

156

<a name="l00142"></a>00142

157

<a name="l00143"></a>00143 #if QT_VERSION < 0x040000

158

<a name="l00144"></a>00144 if ( bgMode != Qt::NoBackground )

159

<a name="l00145"></a>00145 w->setBackgroundMode(bgMode);

160

<a name="l00146"></a>00146

161

<a name="l00147"></a>00147 w->setUpdatesEnabled(doUpdate);

162

<a name="l00148"></a>00148 #endif

163

<a name="l00149"></a>00149

164

<a name="l00150"></a>00150 setShown(!r.isEmpty());

165

<a name="l00151"></a>00151 }

166

<a name="l00152"></a>00152

167

<a name="l00153"></a>00153 void QwtPicker::PrivateData::PickerWidget::paintEvent(QPaintEvent *e)

168

<a name="l00154"></a>00154 {

169

<a name="l00155"></a>00155 QPainter painter(this);

170

<a name="l00156"></a>00156

171

<a name="l00157"></a>00157 if ( d_type == RubberBand )

172

<a name="l00158"></a>00158 {

173

<a name="l00159"></a>00159 painter.setClipRegion(e->region());

174

<a name="l00160"></a>00160 painter.setPen(d_picker->rubberBandPen());

175

<a name="l00161"></a>00161 d_picker->drawRubberBand(&painter);

176

<a name="l00162"></a>00162 }

177

<a name="l00163"></a>00163

178

<a name="l00164"></a>00164 if ( d_type == Text )

179

<a name="l00165"></a>00165 {

180

<a name="l00166"></a>00166 painter.setClipRegion(e->region());

181

<a name="l00167"></a>00167 #if 0

182

<a name="l00168"></a>00168 painter.setPen(d_picker->trackerPen());

183

<a name="l00169"></a>00169 d_picker->drawTracker(&painter);

184

<a name="l00170"></a>00170 #else

185

<a name="l00171"></a>00171 painter.fillRect(e->rect(), QBrush(d_picker->trackerPen().color()));

186

<a name="l00172"></a>00172 #endif

187

<a name="l00173"></a>00173 }

188

<a name="l00174"></a>00174 }

189

<a name="l00175"></a>00175

190

<a name="l00185"></a><a class="code" href="class_qwt_picker.html#f9a5f4b0e4b37e2f323e801aa9dd6fe1">00185</a> <a class="code" href="class_qwt_picker.html#f9a5f4b0e4b37e2f323e801aa9dd6fe1">QwtPicker::QwtPicker</a>(QWidget *parent):

191

<a name="l00186"></a>00186 QObject(parent)

192

<a name="l00187"></a>00187 {

193

<a name="l00188"></a>00188 init(parent, NoSelection, NoRubberBand, AlwaysOff);

194

<a name="l00189"></a>00189 }

195

<a name="l00190"></a>00190

196

<a name="l00200"></a><a class="code" href="class_qwt_picker.html#d02f607bedf6ef3630f931fc6712db2f">00200</a> <a class="code" href="class_qwt_picker.html#f9a5f4b0e4b37e2f323e801aa9dd6fe1">QwtPicker::QwtPicker</a>(int selectionFlags, <a class="code" href="class_qwt_picker.html#b36c79d8ff20aba5b778d2823c1f7894">RubberBand</a> rubberBand,

197

<a name="l00201"></a>00201 <a class="code" href="class_qwt_picker.html#01be4d404ffc3a7b238b0d0aaeb66b93">DisplayMode</a> trackerMode, QWidget *parent):

198

<a name="l00202"></a>00202 QObject(parent)

199

<a name="l00203"></a>00203 {

200

<a name="l00204"></a>00204 init(parent, selectionFlags, rubberBand, trackerMode);

201

<a name="l00205"></a>00205 }

202

<a name="l00206"></a>00206

203

<a name="l00208"></a><a class="code" href="class_qwt_picker.html#5d0906a0d3b12e0e44499f855cb9dab1">00208</a> <a class="code" href="class_qwt_picker.html#5d0906a0d3b12e0e44499f855cb9dab1">QwtPicker::~QwtPicker</a>()

204

<a name="l00209"></a>00209 {

205

<a name="l00210"></a>00210 setMouseTracking(false);

206

<a name="l00211"></a>00211 delete d_data->stateMachine;

207

<a name="l00212"></a>00212 delete d_data->rubberBandWidget;

208

<a name="l00213"></a>00213 delete d_data->trackerWidget;

209

<a name="l00214"></a>00214 delete d_data;

210

<a name="l00215"></a>00215 }

211

<a name="l00216"></a>00216

212

<a name="l00218"></a>00218 void QwtPicker::init(QWidget *parent, int selectionFlags,

213

<a name="l00219"></a>00219 RubberBand rubberBand, DisplayMode trackerMode)

214

<a name="l00220"></a>00220 {

215

<a name="l00221"></a>00221 d_data = new PrivateData;

216

<a name="l00222"></a>00222

217

<a name="l00223"></a>00223 d_data->rubberBandWidget = NULL;

218

<a name="l00224"></a>00224 d_data->trackerWidget = NULL;

219

<a name="l00225"></a>00225

220

<a name="l00226"></a>00226 d_data->rubberBand = rubberBand;

221

<a name="l00227"></a>00227 d_data->enabled = false;

222

<a name="l00228"></a>00228 d_data->resizeMode = Stretch;

223

<a name="l00229"></a>00229 d_data->trackerMode = AlwaysOff;

224

<a name="l00230"></a>00230 d_data->isActive = false;

225

<a name="l00231"></a>00231 d_data->labelPosition = QPoint(-1, -1);

226

<a name="l00232"></a>00232 d_data->mouseTracking = false;

227

<a name="l00233"></a>00233

228

<a name="l00234"></a>00234 d_data->stateMachine = NULL;

229

<a name="l00235"></a>00235 <a class="code" href="class_qwt_picker.html#e93fe995c8c581ac33a9f3445ea5e7b9">setSelectionFlags</a>(selectionFlags);

230

<a name="l00236"></a>00236

231

<a name="l00237"></a>00237 if ( parent )

232

<a name="l00238"></a>00238 {

233

<a name="l00239"></a>00239 #if QT_VERSION >= 0x040000

234

<a name="l00240"></a>00240 if ( parent->focusPolicy() == Qt::NoFocus )

235

<a name="l00241"></a>00241 parent->setFocusPolicy(Qt::WheelFocus);

236

<a name="l00242"></a>00242 #else

237

<a name="l00243"></a>00243 if ( parent->focusPolicy() == QWidget::NoFocus )

238

<a name="l00244"></a>00244 parent->setFocusPolicy(QWidget::WheelFocus);

239

<a name="l00245"></a>00245 #endif

240

<a name="l00246"></a>00246

241

<a name="l00247"></a>00247 d_data->trackerFont = parent->font();

242

<a name="l00248"></a>00248 d_data->mouseTracking = parent->hasMouseTracking();

243

<a name="l00249"></a>00249 <a class="code" href="class_qwt_picker.html#a590756369efae6ebf323302a0af5d36">setEnabled</a>(true);

244

<a name="l00250"></a>00250 }

245

<a name="l00251"></a>00251 <a class="code" href="class_qwt_picker.html#94fc60c7223cdc470ae63156f6446d6f">setTrackerMode</a>(trackerMode);

246

<a name="l00252"></a>00252 }

247

<a name="l00253"></a>00253

248

<a name="l00257"></a>00257 void QwtPicker::setStateMachine(<a class="code" href="class_qwt_picker_machine.html">QwtPickerMachine</a> *stateMachine)

249

<a name="l00258"></a>00258 {

250

<a name="l00259"></a>00259 if ( d_data->stateMachine != <a class="code" href="class_qwt_picker.html#aad63b94d03f8ebb363ed51d7c2a0dd2">stateMachine</a> )

251

<a name="l00260"></a>00260 {

252

<a name="l00261"></a>00261 if ( <a class="code" href="class_qwt_picker.html#f825f383c74928d1541f139e102983f9">isActive</a>() )

253

<a name="l00262"></a>00262 <a class="code" href="class_qwt_picker.html#d258c518257cf2f52326905a36efb0c4">end</a>(false);

254

<a name="l00263"></a>00263

255

<a name="l00264"></a>00264 delete d_data->stateMachine;

256

<a name="l00265"></a>00265 d_data->stateMachine = <a class="code" href="class_qwt_picker.html#aad63b94d03f8ebb363ed51d7c2a0dd2">stateMachine</a>;

257

<a name="l00266"></a>00266

258

<a name="l00267"></a>00267 if ( d_data->stateMachine )

259

<a name="l00268"></a>00268 d_data->stateMachine->reset();

260

<a name="l00269"></a>00269 }

261

<a name="l00270"></a>00270 }

262

<a name="l00271"></a>00271

263

<a name="l00288"></a><a class="code" href="class_qwt_picker.html#aad63b94d03f8ebb363ed51d7c2a0dd2">00288</a> <a class="code" href="class_qwt_picker_machine.html">QwtPickerMachine</a> *<a class="code" href="class_qwt_picker.html#aad63b94d03f8ebb363ed51d7c2a0dd2">QwtPicker::stateMachine</a>(int flags) const

264

<a name="l00289"></a>00289 {

265

<a name="l00290"></a>00290 if ( flags & PointSelection )

266

<a name="l00291"></a>00291 {

267

<a name="l00292"></a>00292 if ( flags & ClickSelection )

268

<a name="l00293"></a>00293 return new <a class="code" href="class_qwt_picker_click_point_machine.html">QwtPickerClickPointMachine</a>;

269

<a name="l00294"></a>00294 else

270

<a name="l00295"></a>00295 return new <a class="code" href="class_qwt_picker_drag_point_machine.html">QwtPickerDragPointMachine</a>;

271

<a name="l00296"></a>00296 }

272

<a name="l00297"></a>00297 if ( flags & RectSelection )

273

<a name="l00298"></a>00298 {

274

<a name="l00299"></a>00299 if ( flags & ClickSelection )

275

<a name="l00300"></a>00300 return new <a class="code" href="class_qwt_picker_click_rect_machine.html">QwtPickerClickRectMachine</a>;

276

<a name="l00301"></a>00301 else

277

<a name="l00302"></a>00302 return new <a class="code" href="class_qwt_picker_drag_rect_machine.html">QwtPickerDragRectMachine</a>;

278

<a name="l00303"></a>00303 }

279

<a name="l00304"></a>00304 if ( flags & PolygonSelection )

280

<a name="l00305"></a>00305 {

281

<a name="l00306"></a>00306 return new <a class="code" href="class_qwt_picker_polygon_machine.html">QwtPickerPolygonMachine</a>();

282

<a name="l00307"></a>00307 }

283

<a name="l00308"></a>00308 return NULL;

284

<a name="l00309"></a>00309 }

285

<a name="l00310"></a>00310

286

<a name="l00312"></a><a class="code" href="class_qwt_picker.html#da0c12257e006f0066d22c3eb83f667e">00312</a> QWidget *<a class="code" href="class_qwt_picker.html#da0c12257e006f0066d22c3eb83f667e">QwtPicker::parentWidget</a>()

287

<a name="l00313"></a>00313 {

288

<a name="l00314"></a>00314 QObject *obj = parent();

289

<a name="l00315"></a>00315 if ( obj && obj->isWidgetType() )

290

<a name="l00316"></a>00316 return (QWidget *)obj;

291

<a name="l00317"></a>00317

292

<a name="l00318"></a>00318 return NULL;

293

<a name="l00319"></a>00319 }

294

<a name="l00320"></a>00320

295

<a name="l00322"></a><a class="code" href="class_qwt_picker.html#250dc5daf40a049f8db1f7ed730802d3">00322</a> const QWidget *<a class="code" href="class_qwt_picker.html#da0c12257e006f0066d22c3eb83f667e">QwtPicker::parentWidget</a>() const

296

<a name="l00323"></a>00323 {

297

<a name="l00324"></a>00324 QObject *obj = parent();

298

<a name="l00325"></a>00325 if ( obj && obj->isWidgetType() )

299

<a name="l00326"></a>00326 return (QWidget *)obj;

300

<a name="l00327"></a>00327

301

<a name="l00328"></a>00328 return NULL;

302

<a name="l00329"></a>00329 }

303

<a name="l00330"></a>00330

304

<a name="l00340"></a><a class="code" href="class_qwt_picker.html#e93fe995c8c581ac33a9f3445ea5e7b9">00340</a> void <a class="code" href="class_qwt_picker.html#e93fe995c8c581ac33a9f3445ea5e7b9">QwtPicker::setSelectionFlags</a>(int flags)

305

<a name="l00341"></a>00341 {

306

<a name="l00342"></a>00342 d_data->selectionFlags = flags;

307

<a name="l00343"></a>00343 setStateMachine(<a class="code" href="class_qwt_picker.html#aad63b94d03f8ebb363ed51d7c2a0dd2">stateMachine</a>(flags));

308

<a name="l00344"></a>00344 }

309

<a name="l00345"></a>00345

310

<a name="l00351"></a><a class="code" href="class_qwt_picker.html#d8e6fc50cd841e543a359c099024c448">00351</a> int <a class="code" href="class_qwt_picker.html#d8e6fc50cd841e543a359c099024c448">QwtPicker::selectionFlags</a>() const

311

<a name="l00352"></a>00352 {

312

<a name="l00353"></a>00353 return d_data->selectionFlags;

313

<a name="l00354"></a>00354 }

314

<a name="l00355"></a>00355

315

<a name="l00364"></a><a class="code" href="class_qwt_picker.html#83096bad2662e02e4914a7b40241c351">00364</a> void <a class="code" href="class_qwt_picker.html#83096bad2662e02e4914a7b40241c351">QwtPicker::setRubberBand</a>(<a class="code" href="class_qwt_picker.html#b36c79d8ff20aba5b778d2823c1f7894">RubberBand</a> rubberBand)

316

<a name="l00365"></a>00365 {

317

<a name="l00366"></a>00366 d_data->rubberBand = rubberBand;

318

<a name="l00367"></a>00367 }

319

<a name="l00368"></a>00368

320

<a name="l00373"></a><a class="code" href="class_qwt_picker.html#6a7af18636587af2c11a6c060929403a">00373</a> <a class="code" href="class_qwt_picker.html#b36c79d8ff20aba5b778d2823c1f7894">QwtPicker::RubberBand</a> <a class="code" href="class_qwt_picker.html#6a7af18636587af2c11a6c060929403a">QwtPicker::rubberBand</a>() const

321

<a name="l00374"></a>00374 {

322

<a name="l00375"></a>00375 return d_data->rubberBand;

323

<a name="l00376"></a>00376 }

324

<a name="l00377"></a>00377

325

<a name="l00394"></a><a class="code" href="class_qwt_picker.html#94fc60c7223cdc470ae63156f6446d6f">00394</a> void <a class="code" href="class_qwt_picker.html#94fc60c7223cdc470ae63156f6446d6f">QwtPicker::setTrackerMode</a>(<a class="code" href="class_qwt_picker.html#01be4d404ffc3a7b238b0d0aaeb66b93">DisplayMode</a> mode)

326

<a name="l00395"></a>00395 {

327

<a name="l00396"></a>00396 if ( d_data->trackerMode != mode )

328

<a name="l00397"></a>00397 {

329

<a name="l00398"></a>00398 d_data->trackerMode = mode;

330

<a name="l00399"></a>00399 setMouseTracking(d_data->trackerMode == AlwaysOn);

331

<a name="l00400"></a>00400 }

332

<a name="l00401"></a>00401 }

333

<a name="l00402"></a>00402

334

<a name="l00407"></a><a class="code" href="class_qwt_picker.html#0647370ed08612d2a55742dc00f6acb7">00407</a> <a class="code" href="class_qwt_picker.html#01be4d404ffc3a7b238b0d0aaeb66b93">QwtPicker::DisplayMode</a> <a class="code" href="class_qwt_picker.html#0647370ed08612d2a55742dc00f6acb7">QwtPicker::trackerMode</a>() const

335

<a name="l00408"></a>00408 {

336

<a name="l00409"></a>00409 return d_data->trackerMode;

337

<a name="l00410"></a>00410 }

338

<a name="l00411"></a>00411

339

<a name="l00426"></a><a class="code" href="class_qwt_picker.html#f85c8a3c709bd106d2b34b718a746e03">00426</a> void <a class="code" href="class_qwt_picker.html#f85c8a3c709bd106d2b34b718a746e03">QwtPicker::setResizeMode</a>(<a class="code" href="class_qwt_picker.html#b3c894deed026f392496dd07809a6fd3">ResizeMode</a> mode)

340

<a name="l00427"></a>00427 {

341

<a name="l00428"></a>00428 d_data->resizeMode = mode;

342

<a name="l00429"></a>00429 }

343

<a name="l00430"></a>00430

344

<a name="l00436"></a><a class="code" href="class_qwt_picker.html#684032c8aea570b069da2f8193760df9">00436</a> <a class="code" href="class_qwt_picker.html#b3c894deed026f392496dd07809a6fd3">QwtPicker::ResizeMode</a> <a class="code" href="class_qwt_picker.html#684032c8aea570b069da2f8193760df9">QwtPicker::resizeMode</a>() const

345

<a name="l00437"></a>00437 {

346

<a name="l00438"></a>00438 return d_data->resizeMode;

347

<a name="l00439"></a>00439 }

348

<a name="l00440"></a>00440

349

<a name="l00450"></a><a class="code" href="class_qwt_picker.html#a590756369efae6ebf323302a0af5d36">00450</a> void <a class="code" href="class_qwt_picker.html#a590756369efae6ebf323302a0af5d36">QwtPicker::setEnabled</a>(bool enabled)

350

<a name="l00451"></a>00451 {

351

<a name="l00452"></a>00452 if ( d_data->enabled != enabled )

352

<a name="l00453"></a>00453 {

353

<a name="l00454"></a>00454 d_data->enabled = enabled;

354

<a name="l00455"></a>00455

355

<a name="l00456"></a>00456 QWidget *w = <a class="code" href="class_qwt_picker.html#da0c12257e006f0066d22c3eb83f667e">parentWidget</a>();

356

<a name="l00457"></a>00457 if ( w )

357

<a name="l00458"></a>00458 {

358

<a name="l00459"></a>00459 if ( enabled )

359

<a name="l00460"></a>00460 w->installEventFilter(this);

360

<a name="l00461"></a>00461 else

361

<a name="l00462"></a>00462 w->removeEventFilter(this);

362

<a name="l00463"></a>00463 }

363

<a name="l00464"></a>00464

364

<a name="l00465"></a>00465 <a class="code" href="class_qwt_picker.html#03aa9bf28f991473d564a57d1bf3bdcc">updateDisplay</a>();

365

<a name="l00466"></a>00466 }

366

<a name="l00467"></a>00467 }

367

<a name="l00468"></a>00468

368

<a name="l00474"></a><a class="code" href="class_qwt_picker.html#984299a27421d57291bb84c8c08df4e5">00474</a> bool <a class="code" href="class_qwt_picker.html#984299a27421d57291bb84c8c08df4e5">QwtPicker::isEnabled</a>() const

369

<a name="l00475"></a>00475 {

370

<a name="l00476"></a>00476 return d_data->enabled;

371

<a name="l00477"></a>00477 }

372

<a name="l00478"></a>00478

373

<a name="l00485"></a><a class="code" href="class_qwt_picker.html#9f54cce7d2e3f6e06351315bf655d5d9">00485</a> void <a class="code" href="class_qwt_picker.html#9f54cce7d2e3f6e06351315bf655d5d9">QwtPicker::setTrackerFont</a>(const QFont &font)

374

<a name="l00486"></a>00486 {

375

<a name="l00487"></a>00487 if ( font != d_data->trackerFont )

376

<a name="l00488"></a>00488 {

377

<a name="l00489"></a>00489 d_data->trackerFont = font;

378

<a name="l00490"></a>00490 <a class="code" href="class_qwt_picker.html#03aa9bf28f991473d564a57d1bf3bdcc">updateDisplay</a>();

379

<a name="l00491"></a>00491 }

380

<a name="l00492"></a>00492 }

381

<a name="l00493"></a>00493

382

<a name="l00499"></a><a class="code" href="class_qwt_picker.html#e87b2ac560d8795a302ee00c0ff0ab3d">00499</a> QFont <a class="code" href="class_qwt_picker.html#e87b2ac560d8795a302ee00c0ff0ab3d">QwtPicker::trackerFont</a>() const

383

<a name="l00500"></a>00500 {

384

<a name="l00501"></a>00501 return d_data->trackerFont;

385

<a name="l00502"></a>00502 }

386

<a name="l00503"></a>00503

387

<a name="l00510"></a><a class="code" href="class_qwt_picker.html#f703bc51cda716e503cbd86731270e5b">00510</a> void <a class="code" href="class_qwt_picker.html#f703bc51cda716e503cbd86731270e5b">QwtPicker::setTrackerPen</a>(const QPen &pen)

388

<a name="l00511"></a>00511 {

389

<a name="l00512"></a>00512 if ( pen != d_data->trackerPen )

390

<a name="l00513"></a>00513 {

391

<a name="l00514"></a>00514 d_data->trackerPen = pen;

392

<a name="l00515"></a>00515 <a class="code" href="class_qwt_picker.html#03aa9bf28f991473d564a57d1bf3bdcc">updateDisplay</a>();

393

<a name="l00516"></a>00516 }

394

<a name="l00517"></a>00517 }

395

<a name="l00518"></a>00518

396

<a name="l00523"></a><a class="code" href="class_qwt_picker.html#a45bf8a52ea95bdf63e2225ec7fa8063">00523</a> QPen <a class="code" href="class_qwt_picker.html#a45bf8a52ea95bdf63e2225ec7fa8063">QwtPicker::trackerPen</a>() const

397

<a name="l00524"></a>00524 {

398

<a name="l00525"></a>00525 return d_data->trackerPen;

399

<a name="l00526"></a>00526 }

400

<a name="l00527"></a>00527

401

<a name="l00534"></a><a class="code" href="class_qwt_picker.html#13117b1929f1ca00a75002f7f4c612bc">00534</a> void <a class="code" href="class_qwt_picker.html#13117b1929f1ca00a75002f7f4c612bc">QwtPicker::setRubberBandPen</a>(const QPen &pen)

402

<a name="l00535"></a>00535 {

403

<a name="l00536"></a>00536 if ( pen != d_data->rubberBandPen )

404

<a name="l00537"></a>00537 {

405

<a name="l00538"></a>00538 d_data->rubberBandPen = pen;

406

<a name="l00539"></a>00539 <a class="code" href="class_qwt_picker.html#03aa9bf28f991473d564a57d1bf3bdcc">updateDisplay</a>();

407

<a name="l00540"></a>00540 }

408

<a name="l00541"></a>00541 }

409

<a name="l00542"></a>00542

410

<a name="l00547"></a><a class="code" href="class_qwt_picker.html#074492301e00535def0fe2cb449fba37">00547</a> QPen <a class="code" href="class_qwt_picker.html#074492301e00535def0fe2cb449fba37">QwtPicker::rubberBandPen</a>() const

411

<a name="l00548"></a>00548 {

412

<a name="l00549"></a>00549 return d_data->rubberBandPen;

413

<a name="l00550"></a>00550 }

414

<a name="l00551"></a>00551

415

<a name="l00565"></a><a class="code" href="class_qwt_picker.html#48ab7695edfa22df80490bf930f16cc4">00565</a> <a class="code" href="class_qwt_text.html">QwtText</a> <a class="code" href="class_qwt_picker.html#48ab7695edfa22df80490bf930f16cc4">QwtPicker::trackerText</a>(const QPoint &pos) const

416

<a name="l00566"></a>00566 {

417

<a name="l00567"></a>00567 QString label;

418

<a name="l00568"></a>00568

419

<a name="l00569"></a>00569 switch(<a class="code" href="class_qwt_picker.html#6a7af18636587af2c11a6c060929403a">rubberBand</a>())

420

<a name="l00570"></a>00570 {

421

<a name="l00571"></a>00571 case HLineRubberBand:

422

<a name="l00572"></a>00572 label.sprintf("%d", pos.y());

423

<a name="l00573"></a>00573 break;

424

<a name="l00574"></a>00574 case VLineRubberBand:

425

<a name="l00575"></a>00575 label.sprintf("%d", pos.x());

426

<a name="l00576"></a>00576 break;

427

<a name="l00577"></a>00577 default:

428

<a name="l00578"></a>00578 label.sprintf("%d, %d", pos.x(), pos.y());

429

<a name="l00579"></a>00579 }

430

<a name="l00580"></a>00580 return label;

431

<a name="l00581"></a>00581 }

432

<a name="l00582"></a>00582

433

<a name="l00591"></a><a class="code" href="class_qwt_picker.html#4848b0a4ca94d4160fdcf29c73982bef">00591</a> void <a class="code" href="class_qwt_picker.html#4848b0a4ca94d4160fdcf29c73982bef">QwtPicker::drawRubberBand</a>(QPainter *painter) const

434

<a name="l00592"></a>00592 {

435

<a name="l00593"></a>00593 if ( !<a class="code" href="class_qwt_picker.html#f825f383c74928d1541f139e102983f9">isActive</a>() || <a class="code" href="class_qwt_picker.html#6a7af18636587af2c11a6c060929403a">rubberBand</a>() == NoRubberBand ||

436

<a name="l00594"></a>00594 <a class="code" href="class_qwt_picker.html#074492301e00535def0fe2cb449fba37">rubberBandPen</a>().style() == Qt::NoPen )

437

<a name="l00595"></a>00595 {

438

<a name="l00596"></a>00596 return;

439

<a name="l00597"></a>00597 }

440

<a name="l00598"></a>00598

441

<a name="l00599"></a>00599 const QRect &pRect = <a class="code" href="class_qwt_picker.html#0e5cd6fc09ec2f3bfa9a766067b518a6">pickRect</a>();

442

<a name="l00600"></a>00600 const QwtPolygon &pa = d_data->selection;

443

<a name="l00601"></a>00601

444

<a name="l00602"></a>00602 if ( <a class="code" href="class_qwt_picker.html#d8e6fc50cd841e543a359c099024c448">selectionFlags</a>() & PointSelection )

445

<a name="l00603"></a>00603 {

446

<a name="l00604"></a>00604 if ( pa.count() < 1 )

447

<a name="l00605"></a>00605 return;

448

<a name="l00606"></a>00606

449

<a name="l00607"></a>00607 const QPoint pos = pa[0];

450

<a name="l00608"></a>00608

451

<a name="l00609"></a>00609 switch(<a class="code" href="class_qwt_picker.html#6a7af18636587af2c11a6c060929403a">rubberBand</a>())

452

<a name="l00610"></a>00610 {

453

<a name="l00611"></a>00611 case VLineRubberBand:

454

<a name="l00612"></a>00612 <a class="code" href="class_qwt_painter.html#f809f23704df7e05f51222daa296ca80">QwtPainter::drawLine</a>(painter, pos.x(),

455

<a name="l00613"></a>00613 pRect.top(), pos.x(), pRect.bottom());

456

<a name="l00614"></a>00614 break;

457

<a name="l00615"></a>00615

458

<a name="l00616"></a>00616 case HLineRubberBand:

459

<a name="l00617"></a>00617 <a class="code" href="class_qwt_painter.html#f809f23704df7e05f51222daa296ca80">QwtPainter::drawLine</a>(painter, pRect.left(),

460

<a name="l00618"></a>00618 pos.y(), pRect.right(), pos.y());

461

<a name="l00619"></a>00619 break;

462

<a name="l00620"></a>00620

463

<a name="l00621"></a>00621 case CrossRubberBand:

464

<a name="l00622"></a>00622 <a class="code" href="class_qwt_painter.html#f809f23704df7e05f51222daa296ca80">QwtPainter::drawLine</a>(painter, pos.x(),

465

<a name="l00623"></a>00623 pRect.top(), pos.x(), pRect.bottom());

466

<a name="l00624"></a>00624 <a class="code" href="class_qwt_painter.html#f809f23704df7e05f51222daa296ca80">QwtPainter::drawLine</a>(painter, pRect.left(),

467

<a name="l00625"></a>00625 pos.y(), pRect.right(), pos.y());

468

<a name="l00626"></a>00626 break;

469

<a name="l00627"></a>00627 default:

470

<a name="l00628"></a>00628 break;

471

<a name="l00629"></a>00629 }

472

<a name="l00630"></a>00630 }

473

<a name="l00631"></a>00631

474

<a name="l00632"></a>00632 else if ( <a class="code" href="class_qwt_picker.html#d8e6fc50cd841e543a359c099024c448">selectionFlags</a>() & RectSelection )

475

<a name="l00633"></a>00633 {

476

<a name="l00634"></a>00634 if ( pa.count() < 2 )

477

<a name="l00635"></a>00635 return;

478

<a name="l00636"></a>00636

479

<a name="l00637"></a>00637 QPoint p1 = pa[0];

480

<a name="l00638"></a>00638 QPoint p2 = pa[int(pa.count() - 1)];

481

<a name="l00639"></a>00639

482

<a name="l00640"></a>00640 if ( <a class="code" href="class_qwt_picker.html#d8e6fc50cd841e543a359c099024c448">selectionFlags</a>() & CenterToCorner )

483

<a name="l00641"></a>00641 {

484

<a name="l00642"></a>00642 p1.setX(p1.x() - (p2.x() - p1.x()));

485

<a name="l00643"></a>00643 p1.setY(p1.y() - (p2.y() - p1.y()));

486

<a name="l00644"></a>00644 }

487

<a name="l00645"></a>00645 else if ( <a class="code" href="class_qwt_picker.html#d8e6fc50cd841e543a359c099024c448">selectionFlags</a>() & CenterToRadius )

488

<a name="l00646"></a>00646 {

489

<a name="l00647"></a>00647 const int radius = qwtMax(qwtAbs(p2.x() - p1.x()),

490

<a name="l00648"></a>00648 qwtAbs(p2.y() - p1.y()));

491

<a name="l00649"></a>00649 p2.setX(p1.x() + radius);

492

<a name="l00650"></a>00650 p2.setY(p1.y() + radius);

493

<a name="l00651"></a>00651 p1.setX(p1.x() - radius);

494

<a name="l00652"></a>00652 p1.setY(p1.y() - radius);

495

<a name="l00653"></a>00653 }

496

<a name="l00654"></a>00654

497

<a name="l00655"></a>00655 #if QT_VERSION < 0x040000

498

<a name="l00656"></a>00656 const QRect rect = QRect(p1, p2).normalize();

499

<a name="l00657"></a>00657 #else

500

<a name="l00658"></a>00658 const QRect rect = QRect(p1, p2).normalized();

501

<a name="l00659"></a>00659 #endif

502

<a name="l00660"></a>00660 switch(<a class="code" href="class_qwt_picker.html#6a7af18636587af2c11a6c060929403a">rubberBand</a>())

503

<a name="l00661"></a>00661 {

504

<a name="l00662"></a>00662 case EllipseRubberBand:

505

<a name="l00663"></a>00663 <a class="code" href="class_qwt_painter.html#d04cda859203b745e662d1e2f74adc59">QwtPainter::drawEllipse</a>(painter, rect);

506

<a name="l00664"></a>00664 break;

507

<a name="l00665"></a>00665 case RectRubberBand:

508

<a name="l00666"></a>00666 <a class="code" href="class_qwt_painter.html#9d606b6a681b9e1d0e0823c8a169ac7e">QwtPainter::drawRect</a>(painter, rect);

509

<a name="l00667"></a>00667 break;

510

<a name="l00668"></a>00668 default:

511

<a name="l00669"></a>00669 break;

512

<a name="l00670"></a>00670 }

513

<a name="l00671"></a>00671 }

514

<a name="l00672"></a>00672 else if ( selectionFlags() & PolygonSelection )

515

<a name="l00673"></a>00673 {

516

<a name="l00674"></a>00674 if ( rubberBand() == PolygonRubberBand )

517

<a name="l00675"></a>00675 painter->drawPolyline(pa);

518

<a name="l00676"></a>00676 }

519

<a name="l00677"></a>00677 }

520

<a name="l00678"></a>00678

521

<a name="l00686"></a><a class="code" href="class_qwt_picker.html#74c471c27ced5e7a5d59455bcd7d8290">00686</a> void <a class="code" href="class_qwt_picker.html#74c471c27ced5e7a5d59455bcd7d8290">QwtPicker::drawTracker</a>(QPainter *painter) const

522

<a name="l00687"></a>00687 {

523

<a name="l00688"></a>00688 const QRect textRect = <a class="code" href="class_qwt_picker.html#12ca49ce032609973efc6f261078d1e3">trackerRect</a>(painter);

524

<a name="l00689"></a>00689 if ( !textRect.isEmpty() )

525

<a name="l00690"></a>00690 {

526

<a name="l00691"></a>00691 <a class="code" href="class_qwt_text.html">QwtText</a> label = <a class="code" href="class_qwt_picker.html#48ab7695edfa22df80490bf930f16cc4">trackerText</a>(d_data->labelPosition);

527

<a name="l00692"></a>00692 if ( !label.isEmpty() )

528

<a name="l00693"></a>00693 {

529

<a name="l00694"></a>00694

530

<a name="l00695"></a>00695 #if defined(Q_WS_MAC)

531

<a name="l00696"></a>00696 #if QT_VERSION >= 0x040000

532

<a name="l00697"></a>00697 // Antialiased fonts are broken on the Mac.

533

<a name="l00698"></a>00698 painter->save();

534

<a name="l00699"></a>00699 painter->setRenderHint(QPainter::TextAntialiasing, false);

535

<a name="l00700"></a>00700 #else

536

<a name="l00701"></a>00701 QFont fnt = label.<a class="code" href="class_qwt_text.html#9769ab68a4fe26025c4172a14092f792">usedFont</a>(painter->font());

537

<a name="l00702"></a>00702 fnt.setStyleStrategy(QFont::NoAntialias);

538

<a name="l00703"></a>00703 label.setFont(fnt);

539

<a name="l00704"></a>00704 #endif

540

<a name="l00705"></a>00705 #endif

541

<a name="l00706"></a>00706 label.draw(painter, textRect);

542

<a name="l00707"></a>00707

543

<a name="l00708"></a>00708 #if defined(Q_WS_MAC)

544

<a name="l00709"></a>00709 #if QT_VERSION >= 0x040000

545

<a name="l00710"></a>00710 painter->restore();

546

<a name="l00711"></a>00711 #endif

547

<a name="l00712"></a>00712 #endif

548

<a name="l00713"></a>00713 }

549

<a name="l00714"></a>00714 }

550

<a name="l00715"></a>00715 }

551

<a name="l00716"></a>00716

552

<a name="l00717"></a><a class="code" href="class_qwt_picker.html#12ca49ce032609973efc6f261078d1e3">00717</a> QRect <a class="code" href="class_qwt_picker.html#12ca49ce032609973efc6f261078d1e3">QwtPicker::trackerRect</a>(QPainter *painter) const

553

<a name="l00718"></a>00718 {

554

<a name="l00719"></a>00719 if ( <a class="code" href="class_qwt_picker.html#0647370ed08612d2a55742dc00f6acb7">trackerMode</a>() == AlwaysOff ||

555

<a name="l00720"></a>00720 (<a class="code" href="class_qwt_picker.html#0647370ed08612d2a55742dc00f6acb7">trackerMode</a>() == ActiveOnly && !<a class="code" href="class_qwt_picker.html#f825f383c74928d1541f139e102983f9">isActive</a>() ) )

556

<a name="l00721"></a>00721 {

557

<a name="l00722"></a>00722 return QRect();

558

<a name="l00723"></a>00723 }

559

<a name="l00724"></a>00724

560

<a name="l00725"></a>00725 if ( d_data->labelPosition.x() < 0 || d_data->labelPosition.y() < 0 )

561

<a name="l00726"></a>00726 return QRect();

562

<a name="l00727"></a>00727

563

<a name="l00728"></a>00728 <a class="code" href="class_qwt_text.html">QwtText</a> text = <a class="code" href="class_qwt_picker.html#48ab7695edfa22df80490bf930f16cc4">trackerText</a>(d_data->labelPosition);

564

<a name="l00729"></a>00729 if ( text.<a class="code" href="class_qwt_text.html#25843b1120b648752ed5be2247ebe43f">isEmpty</a>() )

565

<a name="l00730"></a>00730 return QRect();

566

<a name="l00731"></a>00731

567

<a name="l00732"></a>00732 QRect textRect(QPoint(0, 0), text.<a class="code" href="class_qwt_text.html#6e7ff0a75f1eecc37478f9ca643da379">textSize</a>(painter->font()));

568

<a name="l00733"></a>00733

569

<a name="l00734"></a>00734 const QPoint &pos = d_data->labelPosition;

570

<a name="l00735"></a>00735

571

<a name="l00736"></a>00736 int alignment = 0;

572

<a name="l00737"></a>00737 if ( <a class="code" href="class_qwt_picker.html#f825f383c74928d1541f139e102983f9">isActive</a>() && d_data->selection.count() > 1

573

<a name="l00738"></a>00738 && <a class="code" href="class_qwt_picker.html#6a7af18636587af2c11a6c060929403a">rubberBand</a>() != NoRubberBand )

574

<a name="l00739"></a>00739 {

575

<a name="l00740"></a>00740 const QPoint last =

576

<a name="l00741"></a>00741 d_data->selection[int(d_data->selection.count()) - 2];

577

<a name="l00742"></a>00742

578

<a name="l00743"></a>00743 alignment |= (pos.x() >= last.x()) ? Qt::AlignRight : Qt::AlignLeft;

579

<a name="l00744"></a>00744 alignment |= (pos.y() > last.y()) ? Qt::AlignBottom : Qt::AlignTop;

580

<a name="l00745"></a>00745 }

581

<a name="l00746"></a>00746 else

582

<a name="l00747"></a>00747 alignment = Qt::AlignTop | Qt::AlignRight;

583

<a name="l00748"></a>00748

584

<a name="l00749"></a>00749 const int margin = 5;

585

<a name="l00750"></a>00750

586

<a name="l00751"></a>00751 int x = pos.x();

587

<a name="l00752"></a>00752 if ( alignment & Qt::AlignLeft )

588

<a name="l00753"></a>00753 x -= textRect.width() + margin;

589

<a name="l00754"></a>00754 else if ( alignment & Qt::AlignRight )

590

<a name="l00755"></a>00755 x += margin;

591

<a name="l00756"></a>00756

592

<a name="l00757"></a>00757 int y = pos.y();

593

<a name="l00758"></a>00758 if ( alignment & Qt::AlignBottom )

594

<a name="l00759"></a>00759 y += margin;

595

<a name="l00760"></a>00760 else if ( alignment & Qt::AlignTop )

596

<a name="l00761"></a>00761 y -= textRect.height() + margin;

597

<a name="l00762"></a>00762

598

<a name="l00763"></a>00763 textRect.moveTopLeft(QPoint(x, y));

599

<a name="l00764"></a>00764

600

<a name="l00765"></a>00765 int right = qwtMin(textRect.right(), pickRect().right() - margin);

601

<a name="l00766"></a>00766 int bottom = qwtMin(textRect.bottom(), pickRect().bottom() - margin);

602

<a name="l00767"></a>00767 textRect.moveBottomRight(QPoint(right, bottom));

603

<a name="l00768"></a>00768

604

<a name="l00769"></a>00769 int left = qwtMax(textRect.left(), pickRect().left() + margin);

605

<a name="l00770"></a>00770 int top = qwtMax(textRect.top(), pickRect().top() + margin);

606

<a name="l00771"></a>00771 textRect.moveTopLeft(QPoint(left, top));

607

<a name="l00772"></a>00772

608

<a name="l00773"></a>00773 return textRect;

609

<a name="l00774"></a>00774 }

610

<a name="l00775"></a>00775

611

<a name="l00788"></a><a class="code" href="class_qwt_picker.html#c149f9cb8fb068f31871e1fe450c376e">00788</a> bool <a class="code" href="class_qwt_picker.html#c149f9cb8fb068f31871e1fe450c376e">QwtPicker::eventFilter</a>(QObject *o, QEvent *e)

612

<a name="l00789"></a>00789 {

613

<a name="l00790"></a>00790 if ( o && o == <a class="code" href="class_qwt_picker.html#da0c12257e006f0066d22c3eb83f667e">parentWidget</a>() )

614

<a name="l00791"></a>00791 {

615

<a name="l00792"></a>00792 switch(e->type())

616

<a name="l00793"></a>00793 {

617

<a name="l00794"></a>00794 case QEvent::Resize:

618

<a name="l00795"></a>00795 {

619

<a name="l00796"></a>00796 const QResizeEvent *re = (QResizeEvent *)e;

620

<a name="l00797"></a>00797 if ( d_data->resizeMode == Stretch )

621

<a name="l00798"></a>00798 <a class="code" href="class_qwt_picker.html#24b0e4bcf6a9b7f41c81ea19305105a8">stretchSelection</a>(re->oldSize(), re->size());

622

<a name="l00799"></a>00799

623

<a name="l00800"></a>00800 if ( d_data->rubberBandWidget )

624

<a name="l00801"></a>00801 d_data->rubberBandWidget->resize(re->size());

625

<a name="l00802"></a>00802

626

<a name="l00803"></a>00803 if ( d_data->trackerWidget )

627

<a name="l00804"></a>00804 d_data->trackerWidget->resize(re->size());

628

<a name="l00805"></a>00805 break;

629

<a name="l00806"></a>00806 }

630

<a name="l00807"></a>00807 case QEvent::Leave:

631

<a name="l00808"></a>00808 <a class="code" href="class_qwt_picker.html#8a2a18f2b98c8524b1d3684df44c24aa">widgetLeaveEvent</a>(e);

632

<a name="l00809"></a>00809 break;

633

<a name="l00810"></a>00810 case QEvent::MouseButtonPress:

634

<a name="l00811"></a>00811 <a class="code" href="class_qwt_picker.html#4bfae8da37c3936ae73d4798cca4a3d9">widgetMousePressEvent</a>((QMouseEvent *)e);

635

<a name="l00812"></a>00812 break;

636

<a name="l00813"></a>00813 case QEvent::MouseButtonRelease:

637

<a name="l00814"></a>00814 <a class="code" href="class_qwt_picker.html#c009633e005b6290e07b902f2a58e45e">widgetMouseReleaseEvent</a>((QMouseEvent *)e);

638

<a name="l00815"></a>00815 break;

639

<a name="l00816"></a>00816 case QEvent::MouseButtonDblClick:

640

<a name="l00817"></a>00817 <a class="code" href="class_qwt_picker.html#f1ffb07c24be57cd4a753b04412b3212">widgetMouseDoubleClickEvent</a>((QMouseEvent *)e);

641

<a name="l00818"></a>00818 break;

642

<a name="l00819"></a>00819 case QEvent::MouseMove:

643

<a name="l00820"></a>00820 <a class="code" href="class_qwt_picker.html#88b203109a4d3b26c2e0bee110c56c9d">widgetMouseMoveEvent</a>((QMouseEvent *)e);

644

<a name="l00821"></a>00821 break;

645

<a name="l00822"></a>00822 case QEvent::KeyPress:

646

<a name="l00823"></a>00823 <a class="code" href="class_qwt_picker.html#f5bc441b2fc143363563922a3b3c70ae">widgetKeyPressEvent</a>((QKeyEvent *)e);

647

<a name="l00824"></a>00824 break;

648

<a name="l00825"></a>00825 case QEvent::KeyRelease:

649

<a name="l00826"></a>00826 <a class="code" href="class_qwt_picker.html#9f2c739a619be794b22a10ede9674a1e">widgetKeyReleaseEvent</a>((QKeyEvent *)e);

650

<a name="l00827"></a>00827 break;

651

<a name="l00828"></a>00828 case QEvent::Wheel:

652

<a name="l00829"></a>00829 <a class="code" href="class_qwt_picker.html#f92ffabe291a6254378dc932c5cce0a7">widgetWheelEvent</a>((QWheelEvent *)e);

653

<a name="l00830"></a>00830 break;

654

<a name="l00831"></a>00831 default:

655

<a name="l00832"></a>00832 break;

656

<a name="l00833"></a>00833 }

657

<a name="l00834"></a>00834 }

658

<a name="l00835"></a>00835 return false;

659

<a name="l00836"></a>00836 }

660

<a name="l00837"></a>00837

661

<a name="l00848"></a><a class="code" href="class_qwt_picker.html#4bfae8da37c3936ae73d4798cca4a3d9">00848</a> void <a class="code" href="class_qwt_picker.html#4bfae8da37c3936ae73d4798cca4a3d9">QwtPicker::widgetMousePressEvent</a>(QMouseEvent *e)

662

<a name="l00849"></a>00849 {

663

<a name="l00850"></a>00850 <a class="code" href="class_qwt_picker.html#90f9f3485f054c36c1835931e9a387dd">transition</a>(e);

664

<a name="l00851"></a>00851 }

665

<a name="l00852"></a>00852

666

<a name="l00862"></a><a class="code" href="class_qwt_picker.html#88b203109a4d3b26c2e0bee110c56c9d">00862</a> void <a class="code" href="class_qwt_picker.html#88b203109a4d3b26c2e0bee110c56c9d">QwtPicker::widgetMouseMoveEvent</a>(QMouseEvent *e)

667

<a name="l00863"></a>00863 {

668

<a name="l00864"></a>00864 if ( <a class="code" href="class_qwt_picker.html#0e5cd6fc09ec2f3bfa9a766067b518a6">pickRect</a>().contains(e->pos()) )

669

<a name="l00865"></a>00865 d_data->labelPosition = e->pos();

670

<a name="l00866"></a>00866 else

671

<a name="l00867"></a>00867 d_data->labelPosition = QPoint(-1, -1);

672

<a name="l00868"></a>00868

673

<a name="l00869"></a>00869 if ( !<a class="code" href="class_qwt_picker.html#f825f383c74928d1541f139e102983f9">isActive</a>() )

674

<a name="l00870"></a>00870 <a class="code" href="class_qwt_picker.html#03aa9bf28f991473d564a57d1bf3bdcc">updateDisplay</a>();

675

<a name="l00871"></a>00871

676

<a name="l00872"></a>00872 <a class="code" href="class_qwt_picker.html#90f9f3485f054c36c1835931e9a387dd">transition</a>(e);

677

<a name="l00873"></a>00873 }

678

<a name="l00874"></a>00874

679

<a name="l00882"></a><a class="code" href="class_qwt_picker.html#8a2a18f2b98c8524b1d3684df44c24aa">00882</a> void <a class="code" href="class_qwt_picker.html#8a2a18f2b98c8524b1d3684df44c24aa">QwtPicker::widgetLeaveEvent</a>(QEvent *)

680

<a name="l00883"></a>00883 {

681

<a name="l00884"></a>00884 d_data->labelPosition = QPoint(-1, -1);

682

<a name="l00885"></a>00885 if ( !<a class="code" href="class_qwt_picker.html#f825f383c74928d1541f139e102983f9">isActive</a>() )

683

<a name="l00886"></a>00886 <a class="code" href="class_qwt_picker.html#03aa9bf28f991473d564a57d1bf3bdcc">updateDisplay</a>();

684

<a name="l00887"></a>00887 }

685

<a name="l00888"></a>00888

686

<a name="l00899"></a><a class="code" href="class_qwt_picker.html#c009633e005b6290e07b902f2a58e45e">00899</a> void <a class="code" href="class_qwt_picker.html#c009633e005b6290e07b902f2a58e45e">QwtPicker::widgetMouseReleaseEvent</a>(QMouseEvent *e)

687

<a name="l00900"></a>00900 {

688

<a name="l00901"></a>00901 <a class="code" href="class_qwt_picker.html#90f9f3485f054c36c1835931e9a387dd">transition</a>(e);

689

<a name="l00902"></a>00902 }

690

<a name="l00903"></a>00903

691

<a name="l00913"></a><a class="code" href="class_qwt_picker.html#f1ffb07c24be57cd4a753b04412b3212">00913</a> void <a class="code" href="class_qwt_picker.html#f1ffb07c24be57cd4a753b04412b3212">QwtPicker::widgetMouseDoubleClickEvent</a>(QMouseEvent *me)

692

<a name="l00914"></a>00914 {

693

<a name="l00915"></a>00915 <a class="code" href="class_qwt_picker.html#90f9f3485f054c36c1835931e9a387dd">transition</a>(me);

694

<a name="l00916"></a>00916 }

695

<a name="l00917"></a>00917

696

<a name="l00918"></a>00918

697

<a name="l00928"></a><a class="code" href="class_qwt_picker.html#f92ffabe291a6254378dc932c5cce0a7">00928</a> void <a class="code" href="class_qwt_picker.html#f92ffabe291a6254378dc932c5cce0a7">QwtPicker::widgetWheelEvent</a>(QWheelEvent *e)

698

<a name="l00929"></a>00929 {

699

<a name="l00930"></a>00930 if ( <a class="code" href="class_qwt_picker.html#0e5cd6fc09ec2f3bfa9a766067b518a6">pickRect</a>().contains(e->pos()) )

700

<a name="l00931"></a>00931 d_data->labelPosition = e->pos();

701

<a name="l00932"></a>00932 else

702

<a name="l00933"></a>00933 d_data->labelPosition = QPoint(-1, -1);

703

<a name="l00934"></a>00934

704

<a name="l00935"></a>00935 <a class="code" href="class_qwt_picker.html#03aa9bf28f991473d564a57d1bf3bdcc">updateDisplay</a>();

705

<a name="l00936"></a>00936

706

<a name="l00937"></a>00937 <a class="code" href="class_qwt_picker.html#90f9f3485f054c36c1835931e9a387dd">transition</a>(e);

707

<a name="l00938"></a>00938 }

708

<a name="l00939"></a>00939

709

<a name="l00953"></a><a class="code" href="class_qwt_picker.html#f5bc441b2fc143363563922a3b3c70ae">00953</a> void <a class="code" href="class_qwt_picker.html#f5bc441b2fc143363563922a3b3c70ae">QwtPicker::widgetKeyPressEvent</a>(QKeyEvent *ke)

710

<a name="l00954"></a>00954 {

711

<a name="l00955"></a>00955 int dx = 0;

712

<a name="l00956"></a>00956 int dy = 0;

713

<a name="l00957"></a>00957

714

<a name="l00958"></a>00958 int offset = 1;

715

<a name="l00959"></a>00959 if ( ke->isAutoRepeat() )

716

<a name="l00960"></a>00960 offset = 5;

717

<a name="l00961"></a>00961

718

<a name="l00962"></a>00962 if ( <a class="code" href="class_qwt_event_pattern.html#0a727c4369d8535eed5695a2a76b7e79">keyMatch</a>(KeyLeft, ke) )

719

<a name="l00963"></a>00963 dx = -offset;

720

<a name="l00964"></a>00964 else if ( <a class="code" href="class_qwt_event_pattern.html#0a727c4369d8535eed5695a2a76b7e79">keyMatch</a>(KeyRight, ke) )

721

<a name="l00965"></a>00965 dx = offset;

722

<a name="l00966"></a>00966 else if ( <a class="code" href="class_qwt_event_pattern.html#0a727c4369d8535eed5695a2a76b7e79">keyMatch</a>(KeyUp, ke) )

723

<a name="l00967"></a>00967 dy = -offset;

724

<a name="l00968"></a>00968 else if ( <a class="code" href="class_qwt_event_pattern.html#0a727c4369d8535eed5695a2a76b7e79">keyMatch</a>(KeyDown, ke) )

725

<a name="l00969"></a>00969 dy = offset;

726

<a name="l00970"></a>00970 else if ( <a class="code" href="class_qwt_event_pattern.html#0a727c4369d8535eed5695a2a76b7e79">keyMatch</a>(KeyAbort, ke) )

727

<a name="l00971"></a>00971 {

728

<a name="l00972"></a>00972 if ( d_data->stateMachine )

729

<a name="l00973"></a>00973 d_data->stateMachine->reset();

730

<a name="l00974"></a>00974

731

<a name="l00975"></a>00975 if (<a class="code" href="class_qwt_picker.html#f825f383c74928d1541f139e102983f9">isActive</a>())

732

<a name="l00976"></a>00976 <a class="code" href="class_qwt_picker.html#d258c518257cf2f52326905a36efb0c4">end</a>(false);

733

<a name="l00977"></a>00977 }

734

<a name="l00978"></a>00978 else

735

<a name="l00979"></a>00979 <a class="code" href="class_qwt_picker.html#90f9f3485f054c36c1835931e9a387dd">transition</a>(ke);

736

<a name="l00980"></a>00980

737

<a name="l00981"></a>00981 if ( dx != 0 || dy != 0 )

738

<a name="l00982"></a>00982 {

739

<a name="l00983"></a>00983 const QRect rect = <a class="code" href="class_qwt_picker.html#0e5cd6fc09ec2f3bfa9a766067b518a6">pickRect</a>();

740

<a name="l00984"></a>00984 const QPoint pos = <a class="code" href="class_qwt_picker.html#da0c12257e006f0066d22c3eb83f667e">parentWidget</a>()->mapFromGlobal(QCursor::pos());

741

<a name="l00985"></a>00985

742

<a name="l00986"></a>00986 int x = pos.x() + dx;

743

<a name="l00987"></a>00987 x = qwtMax(rect.left(), x);

744

<a name="l00988"></a>00988 x = qwtMin(rect.right(), x);

745

<a name="l00989"></a>00989

746

<a name="l00990"></a>00990 int y = pos.y() + dy;

747

<a name="l00991"></a>00991 y = qwtMax(rect.top(), y);

748

<a name="l00992"></a>00992 y = qwtMin(rect.bottom(), y);

749

<a name="l00993"></a>00993

750

<a name="l00994"></a>00994 QCursor::setPos(<a class="code" href="class_qwt_picker.html#da0c12257e006f0066d22c3eb83f667e">parentWidget</a>()->mapToGlobal(QPoint(x, y)));

751

<a name="l00995"></a>00995 }

752

<a name="l00996"></a>00996 }

753

<a name="l00997"></a>00997

754

<a name="l01007"></a><a class="code" href="class_qwt_picker.html#9f2c739a619be794b22a10ede9674a1e">01007</a> void <a class="code" href="class_qwt_picker.html#9f2c739a619be794b22a10ede9674a1e">QwtPicker::widgetKeyReleaseEvent</a>(QKeyEvent *ke)

755

<a name="l01008"></a>01008 {

756

<a name="l01009"></a>01009 <a class="code" href="class_qwt_picker.html#90f9f3485f054c36c1835931e9a387dd">transition</a>(ke);

757

<a name="l01010"></a>01010 }

758

<a name="l01011"></a>01011

759

<a name="l01019"></a><a class="code" href="class_qwt_picker.html#90f9f3485f054c36c1835931e9a387dd">01019</a> void <a class="code" href="class_qwt_picker.html#90f9f3485f054c36c1835931e9a387dd">QwtPicker::transition</a>(const QEvent *e)

760

<a name="l01020"></a>01020 {

761

<a name="l01021"></a>01021 if ( !d_data->stateMachine )

762

<a name="l01022"></a>01022 return;

763

<a name="l01023"></a>01023

764

<a name="l01024"></a>01024 <a class="code" href="class_qwt_picker_machine.html#c173f6053e54747d7154bbc015763a22">QwtPickerMachine::CommandList</a> commandList =

765

<a name="l01025"></a>01025 d_data->stateMachine->transition(*this, e);

766

<a name="l01026"></a>01026

767

<a name="l01027"></a>01027 QPoint pos;

768

<a name="l01028"></a>01028 switch(e->type())

769

<a name="l01029"></a>01029 {

770

<a name="l01030"></a>01030 case QEvent::MouseButtonDblClick:

771

<a name="l01031"></a>01031 case QEvent::MouseButtonPress:

772

<a name="l01032"></a>01032 case QEvent::MouseButtonRelease:

773

<a name="l01033"></a>01033 case QEvent::MouseMove:

774

<a name="l01034"></a>01034 {

775

<a name="l01035"></a>01035 const QMouseEvent *me = (QMouseEvent *)e;

776

<a name="l01036"></a>01036 pos = me->pos();

777

<a name="l01037"></a>01037 break;

778

<a name="l01038"></a>01038 }

779

<a name="l01039"></a>01039 default:

780

<a name="l01040"></a>01040 pos = parentWidget()->mapFromGlobal(QCursor::pos());

781

<a name="l01041"></a>01041 }

782

<a name="l01042"></a>01042

783

<a name="l01043"></a>01043 for ( uint i = 0; i < (uint)commandList.count(); i++ )

784

<a name="l01044"></a>01044 {

785

<a name="l01045"></a>01045 switch(commandList[i])

786

<a name="l01046"></a>01046 {

787

<a name="l01047"></a>01047 case QwtPickerMachine::Begin:

788

<a name="l01048"></a>01048 {

789

<a name="l01049"></a>01049 begin();

790

<a name="l01050"></a>01050 break;

791

<a name="l01051"></a>01051 }

792

<a name="l01052"></a>01052 case QwtPickerMachine::Append:

793

<a name="l01053"></a>01053 {

794

<a name="l01054"></a>01054 append(pos);

795

<a name="l01055"></a>01055 break;

796

<a name="l01056"></a>01056 }

797

<a name="l01057"></a>01057 case QwtPickerMachine::Move:

798

<a name="l01058"></a>01058 {

799

<a name="l01059"></a>01059 move(pos);

800

<a name="l01060"></a>01060 break;

801

<a name="l01061"></a>01061 }

802

<a name="l01062"></a>01062 case QwtPickerMachine::End:

803

<a name="l01063"></a>01063 {

804

<a name="l01064"></a>01064 end();

805

<a name="l01065"></a>01065 break;

806

<a name="l01066"></a>01066 }

807

<a name="l01067"></a>01067 }

808

<a name="l01068"></a>01068 }

809

<a name="l01069"></a>01069 }

810

<a name="l01070"></a>01070

811

<a name="l01076"></a><a class="code" href="class_qwt_picker.html#49cb19aea451e275c5d376235e5a1d83">01076</a> void <a class="code" href="class_qwt_picker.html#49cb19aea451e275c5d376235e5a1d83">QwtPicker::begin</a>()

812

<a name="l01077"></a>01077 {

813

<a name="l01078"></a>01078 if ( d_data->isActive )

814

<a name="l01079"></a>01079 return;

815

<a name="l01080"></a>01080

816

<a name="l01081"></a>01081 d_data->selection.resize(0);

817

<a name="l01082"></a>01082 d_data->isActive = true;

818

<a name="l01083"></a>01083

819

<a name="l01084"></a>01084 if ( <a class="code" href="class_qwt_picker.html#0647370ed08612d2a55742dc00f6acb7">trackerMode</a>() != AlwaysOff )

820

<a name="l01085"></a>01085 {

821

<a name="l01086"></a>01086 if ( d_data->labelPosition.x() < 0 || d_data->labelPosition.y() < 0 )

822

<a name="l01087"></a>01087 {

823

<a name="l01088"></a>01088 QWidget *w = <a class="code" href="class_qwt_picker.html#da0c12257e006f0066d22c3eb83f667e">parentWidget</a>();

824

<a name="l01089"></a>01089 if ( w )

825

<a name="l01090"></a>01090 d_data->labelPosition = w->mapFromGlobal(QCursor::pos());

826

<a name="l01091"></a>01091 }

827

<a name="l01092"></a>01092 }

828

<a name="l01093"></a>01093

829

<a name="l01094"></a>01094 updateDisplay();

830

<a name="l01095"></a>01095 setMouseTracking(true);

831

<a name="l01096"></a>01096 }

832

<a name="l01097"></a>01097

833

<a name="l01108"></a><a class="code" href="class_qwt_picker.html#d258c518257cf2f52326905a36efb0c4">01108</a> bool <a class="code" href="class_qwt_picker.html#d258c518257cf2f52326905a36efb0c4">QwtPicker::end</a>(bool ok)

834

<a name="l01109"></a>01109 {

835

<a name="l01110"></a>01110 if ( d_data->isActive )

836

<a name="l01111"></a>01111 {

837

<a name="l01112"></a>01112 setMouseTracking(false);

838

<a name="l01113"></a>01113

839

<a name="l01114"></a>01114 d_data->isActive = false;

840

<a name="l01115"></a>01115

841

<a name="l01116"></a>01116 if ( <a class="code" href="class_qwt_picker.html#0647370ed08612d2a55742dc00f6acb7">trackerMode</a>() == ActiveOnly )

842

<a name="l01117"></a>01117 d_data->labelPosition = QPoint(-1, -1);

843

<a name="l01118"></a>01118

844

<a name="l01119"></a>01119 if ( ok )

845

<a name="l01120"></a>01120 ok = <a class="code" href="class_qwt_picker.html#c59b7fde6b198f76ea91b4b1a4015af5">accept</a>(d_data->selection);

846

<a name="l01121"></a>01121

847

<a name="l01122"></a>01122 if ( ok )

848

<a name="l01123"></a>01123 emit <a class="code" href="class_qwt_picker.html#dc217b13621f291dd2ba081e2c28e4f4">selected</a>(d_data->selection);

849

<a name="l01124"></a>01124 else

850

<a name="l01125"></a>01125 d_data->selection.resize(0);

851

<a name="l01126"></a>01126

852

<a name="l01127"></a>01127 <a class="code" href="class_qwt_picker.html#03aa9bf28f991473d564a57d1bf3bdcc">updateDisplay</a>();

853

<a name="l01128"></a>01128 }

854

<a name="l01129"></a>01129 else

855

<a name="l01130"></a>01130 ok = false;

856

<a name="l01131"></a>01131

857

<a name="l01132"></a>01132 return ok;

858

<a name="l01133"></a>01133 }

859

<a name="l01134"></a>01134

860

<a name="l01143"></a><a class="code" href="class_qwt_picker.html#5dd2e0ce6b2a6cc50e345ec13aef9255">01143</a> void <a class="code" href="class_qwt_picker.html#5dd2e0ce6b2a6cc50e345ec13aef9255">QwtPicker::append</a>(const QPoint &pos)

861

<a name="l01144"></a>01144 {

862

<a name="l01145"></a>01145 if ( d_data->isActive )

863

<a name="l01146"></a>01146 {

864

<a name="l01147"></a>01147 const int idx = d_data->selection.count();

865

<a name="l01148"></a>01148 d_data->selection.resize(idx + 1);

866

<a name="l01149"></a>01149 d_data->selection[idx] = pos;

867

<a name="l01150"></a>01150

868

<a name="l01151"></a>01151 <a class="code" href="class_qwt_picker.html#03aa9bf28f991473d564a57d1bf3bdcc">updateDisplay</a>();

869

<a name="l01152"></a>01152

870

<a name="l01153"></a>01153 emit <a class="code" href="class_qwt_picker.html#d52219271a7c8efab35ded14ac89827a">appended</a>(pos);

871

<a name="l01154"></a>01154 }

872

<a name="l01155"></a>01155 }

873

<a name="l01156"></a>01156

874

<a name="l01165"></a><a class="code" href="class_qwt_picker.html#59d92670978f200edb61e429afa06542">01165</a> void <a class="code" href="class_qwt_picker.html#59d92670978f200edb61e429afa06542">QwtPicker::move</a>(const QPoint &pos)

875

<a name="l01166"></a>01166 {

876

<a name="l01167"></a>01167 if ( d_data->isActive )

877

<a name="l01168"></a>01168 {

878

<a name="l01169"></a>01169 const int idx = d_data->selection.count() - 1;

879

<a name="l01170"></a>01170 if ( idx >= 0 )

880

<a name="l01171"></a>01171 {

881

<a name="l01172"></a>01172 if ( d_data->selection[idx] != pos )

882

<a name="l01173"></a>01173 {

883

<a name="l01174"></a>01174 d_data->selection[idx] = pos;

884

<a name="l01175"></a>01175

885

<a name="l01176"></a>01176 <a class="code" href="class_qwt_picker.html#03aa9bf28f991473d564a57d1bf3bdcc">updateDisplay</a>();

886

<a name="l01177"></a>01177

887

<a name="l01178"></a>01178 emit <a class="code" href="class_qwt_picker.html#dddb4800c1dac0ba807e731f45d40742">moved</a>(pos);

888

<a name="l01179"></a>01179 }

889

<a name="l01180"></a>01180 }

890

<a name="l01181"></a>01181 }

891

<a name="l01182"></a>01182 }

892

<a name="l01183"></a>01183

893

<a name="l01184"></a><a class="code" href="class_qwt_picker.html#c59b7fde6b198f76ea91b4b1a4015af5">01184</a> bool <a class="code" href="class_qwt_picker.html#c59b7fde6b198f76ea91b4b1a4015af5">QwtPicker::accept</a>(QwtPolygon &) const

894

<a name="l01185"></a>01185 {

895

<a name="l01186"></a>01186 return true;

896

<a name="l01187"></a>01187 }

897

<a name="l01188"></a>01188

898

<a name="l01193"></a><a class="code" href="class_qwt_picker.html#f825f383c74928d1541f139e102983f9">01193</a> bool <a class="code" href="class_qwt_picker.html#f825f383c74928d1541f139e102983f9">QwtPicker::isActive</a>() const

899

<a name="l01194"></a>01194 {

900

<a name="l01195"></a>01195 return d_data->isActive;

901

<a name="l01196"></a>01196 }

902

<a name="l01197"></a>01197

903

<a name="l01199"></a><a class="code" href="class_qwt_picker.html#c1eb6aa4b264116ac7411ae799862676">01199</a> const QwtPolygon &<a class="code" href="class_qwt_picker.html#c1eb6aa4b264116ac7411ae799862676">QwtPicker::selection</a>() const

904

<a name="l01200"></a>01200 {

905

<a name="l01201"></a>01201 return d_data->selection;

906

<a name="l01202"></a>01202 }

907

<a name="l01203"></a>01203

908

<a name="l01213"></a><a class="code" href="class_qwt_picker.html#24b0e4bcf6a9b7f41c81ea19305105a8">01213</a> void <a class="code" href="class_qwt_picker.html#24b0e4bcf6a9b7f41c81ea19305105a8">QwtPicker::stretchSelection</a>(const QSize &oldSize, const QSize &newSize)

909

<a name="l01214"></a>01214 {

910

<a name="l01215"></a>01215 const double xRatio =

911

<a name="l01216"></a>01216 double(newSize.width()) / double(oldSize.width());

912

<a name="l01217"></a>01217 const double yRatio =

913

<a name="l01218"></a>01218 double(newSize.height()) / double(oldSize.height());

914

<a name="l01219"></a>01219

915

<a name="l01220"></a>01220 for ( int i = 0; i < int(d_data->selection.count()); i++ )

916

<a name="l01221"></a>01221 {

917

<a name="l01222"></a>01222 QPoint &p = d_data->selection[i];

918

<a name="l01223"></a>01223 p.setX(qRound(p.x() * xRatio));

919

<a name="l01224"></a>01224 p.setY(qRound(p.y() * yRatio));

920

<a name="l01225"></a>01225

921

<a name="l01226"></a>01226 emit <a class="code" href="class_qwt_picker.html#dc25f36804c8a9fe24bb8640a73c4051">changed</a>(d_data->selection);

922

<a name="l01227"></a>01227 }

923

<a name="l01228"></a>01228 }

924

<a name="l01229"></a>01229

925

<a name="l01243"></a>01243 void QwtPicker::setMouseTracking(bool enable)

926

<a name="l01244"></a>01244 {

927

<a name="l01245"></a>01245 QWidget *widget = <a class="code" href="class_qwt_picker.html#da0c12257e006f0066d22c3eb83f667e">parentWidget</a>();

928

<a name="l01246"></a>01246 if ( !widget )

929

<a name="l01247"></a>01247 return;

930

<a name="l01248"></a>01248

931

<a name="l01249"></a>01249 if ( enable )

932

<a name="l01250"></a>01250 {

933

<a name="l01251"></a>01251 d_data->mouseTracking = widget->hasMouseTracking();

934

<a name="l01252"></a>01252 widget->setMouseTracking(true);

935

<a name="l01253"></a>01253 }

936

<a name="l01254"></a>01254 else

937

<a name="l01255"></a>01255 {

938

<a name="l01256"></a>01256 widget->setMouseTracking(d_data->mouseTracking);

939

<a name="l01257"></a>01257 }

940

<a name="l01258"></a>01258 }

941

<a name="l01259"></a>01259

942

<a name="l01265"></a><a class="code" href="class_qwt_picker.html#0e5cd6fc09ec2f3bfa9a766067b518a6">01265</a> QRect <a class="code" href="class_qwt_picker.html#0e5cd6fc09ec2f3bfa9a766067b518a6">QwtPicker::pickRect</a>() const

943

<a name="l01266"></a>01266 {

944

<a name="l01267"></a>01267 QRect rect;

945

<a name="l01268"></a>01268

946

<a name="l01269"></a>01269 const QWidget *widget = <a class="code" href="class_qwt_picker.html#da0c12257e006f0066d22c3eb83f667e">parentWidget</a>();

947

<a name="l01270"></a>01270 if ( !widget )

948

<a name="l01271"></a>01271 return rect;

949

<a name="l01272"></a>01272

950

<a name="l01273"></a>01273 if ( widget->inherits("QFrame") )

951

<a name="l01274"></a>01274 rect = ((QFrame *)widget)->contentsRect();

952

<a name="l01275"></a>01275 else

953

<a name="l01276"></a>01276 rect = widget->rect();

954

<a name="l01277"></a>01277

955

<a name="l01278"></a>01278 return rect;

956

<a name="l01279"></a>01279 }

957

<a name="l01280"></a>01280

958

<a name="l01281"></a><a class="code" href="class_qwt_picker.html#03aa9bf28f991473d564a57d1bf3bdcc">01281</a> void <a class="code" href="class_qwt_picker.html#03aa9bf28f991473d564a57d1bf3bdcc">QwtPicker::updateDisplay</a>()

959

<a name="l01282"></a>01282 {

960

<a name="l01283"></a>01283 QWidget *w = <a class="code" href="class_qwt_picker.html#da0c12257e006f0066d22c3eb83f667e">parentWidget</a>();

961

<a name="l01284"></a>01284

962

<a name="l01285"></a>01285 bool showRubberband = false;

963

<a name="l01286"></a>01286 bool showTracker = false;

964

<a name="l01287"></a>01287 if ( w && w->isVisible() && d_data->enabled )

965

<a name="l01288"></a>01288 {

966

<a name="l01289"></a>01289 if ( <a class="code" href="class_qwt_picker.html#6a7af18636587af2c11a6c060929403a">rubberBand</a>() != NoRubberBand && <a class="code" href="class_qwt_picker.html#f825f383c74928d1541f139e102983f9">isActive</a>() &&

967

<a name="l01290"></a>01290 <a class="code" href="class_qwt_picker.html#074492301e00535def0fe2cb449fba37">rubberBandPen</a>().style() != Qt::NoPen )

968

<a name="l01291"></a>01291 {

969

<a name="l01292"></a>01292 showRubberband = true;

970

<a name="l01293"></a>01293 }

971

<a name="l01294"></a>01294

972

<a name="l01295"></a>01295 if ( <a class="code" href="class_qwt_picker.html#0647370ed08612d2a55742dc00f6acb7">trackerMode</a>() == AlwaysOn ||

973

<a name="l01296"></a>01296 (<a class="code" href="class_qwt_picker.html#0647370ed08612d2a55742dc00f6acb7">trackerMode</a>() == ActiveOnly && <a class="code" href="class_qwt_picker.html#f825f383c74928d1541f139e102983f9">isActive</a>() ) )

974

<a name="l01297"></a>01297 {

975

<a name="l01298"></a>01298 if ( <a class="code" href="class_qwt_picker.html#a45bf8a52ea95bdf63e2225ec7fa8063">trackerPen</a>() != Qt::NoPen )

976

<a name="l01299"></a>01299 showTracker = true;

977

<a name="l01300"></a>01300 }

978

<a name="l01301"></a>01301 }

979

<a name="l01302"></a>01302

980

<a name="l01303"></a>01303 #if QT_VERSION < 0x040000

981

<a name="l01304"></a>01304 QGuardedPtr<PrivateData::PickerWidget> &rw = d_data->rubberBandWidget;

982

<a name="l01305"></a>01305 #else

983

<a name="l01306"></a>01306 QPointer<PrivateData::PickerWidget> &rw = d_data->rubberBandWidget;

984

<a name="l01307"></a>01307 #endif

985

<a name="l01308"></a>01308 if ( showRubberband )

986

<a name="l01309"></a>01309 {

987

<a name="l01310"></a>01310 if ( rw.isNull() )

988

<a name="l01311"></a>01311 {

989

<a name="l01312"></a>01312 rw = new PrivateData::PickerWidget(

990

<a name="l01313"></a>01313 this, w, PrivateData::PickerWidget::RubberBand);

991

<a name="l01314"></a>01314 rw->resize(w->size());

992

<a name="l01315"></a>01315 }

993

<a name="l01316"></a>01316 rw->updateMask();

994

<a name="l01317"></a>01317 }

995

<a name="l01318"></a>01318 else

996

<a name="l01319"></a>01319 delete rw;

997

<a name="l01320"></a>01320

998

<a name="l01321"></a>01321 #if QT_VERSION < 0x040000

999

<a name="l01322"></a>01322 QGuardedPtr<PrivateData::PickerWidget> &tw = d_data->trackerWidget;

1000

<a name="l01323"></a>01323 #else

1001

<a name="l01324"></a>01324 QPointer<PrivateData::PickerWidget> &tw = d_data->trackerWidget;

1002

<a name="l01325"></a>01325 #endif

1003

<a name="l01326"></a>01326 if ( showTracker )

1004

<a name="l01327"></a>01327 {

1005

<a name="l01328"></a>01328 if ( tw.isNull() )

1006

<a name="l01329"></a>01329 {

1007

<a name="l01330"></a>01330 tw = new PrivateData::PickerWidget(

1008

<a name="l01331"></a>01331 this, w, PrivateData::PickerWidget::Text);

1009

<a name="l01332"></a>01332 tw->resize(w->size());

1010

<a name="l01333"></a>01333 }

1011

<a name="l01334"></a>01334 tw->updateMask();

1012

<a name="l01335"></a>01335 }

1013

<a name="l01336"></a>01336 else

1014

<a name="l01337"></a>01337 delete tw;

1015

<a name="l01338"></a>01338 }

1016

<a name="l01339"></a>01339

1017

<a name="l01340"></a><a class="code" href="class_qwt_picker.html#a13f79148c53b9aec63f14b62ccc98cb">01340</a> const QWidget *<a class="code" href="class_qwt_picker.html#a13f79148c53b9aec63f14b62ccc98cb">QwtPicker::rubberBandWidget</a>() const

1018

<a name="l01341"></a>01341 {

1019

<a name="l01342"></a>01342 return d_data->rubberBandWidget;

1020

<a name="l01343"></a>01343 }

1021

<a name="l01344"></a>01344

1022

<a name="l01345"></a><a class="code" href="class_qwt_picker.html#5eb014068d91e1b26a937fc90b035efc">01345</a> const QWidget *<a class="code" href="class_qwt_picker.html#5eb014068d91e1b26a937fc90b035efc">QwtPicker::trackerWidget</a>() const

1023

<a name="l01346"></a>01346 {

1024

<a name="l01347"></a>01347 return d_data->trackerWidget;

1025

<a name="l01348"></a>01348 }

1026

<a name="l01349"></a>01349

1027

</pre></div><hr size="1"><address style="align: right;">Generated on Mon Feb 26 21:22:37 2007 for Qwt User's Guide by

1028

1029

1030

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1031

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