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<h1>qwt_picker.h</h1> </div>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************</span>
<a name="l00002"></a>00002 <span class="comment"> * Qwt Widget Library</span>
<a name="l00003"></a>00003 <span class="comment"> * Copyright (C) 1997 Josef Wilgen</span>
<a name="l00004"></a>00004 <span class="comment"> * Copyright (C) 2002 Uwe Rathmann</span>
<a name="l00005"></a>00005 <span class="comment"> * </span>
<a name="l00006"></a>00006 <span class="comment"> * This library is free software; you can redistribute it and/or</span>
<a name="l00007"></a>00007 <span class="comment"> * modify it under the terms of the Qwt License, Version 1.0</span>
<a name="l00008"></a>00008 <span class="comment"> *****************************************************************************/</span>
<a name="l00009"></a>00009
<a name="l00010"></a>00010 <span class="preprocessor">#ifndef QWT_PICKER</span>
<a name="l00011"></a>00011 <span class="preprocessor"></span><span class="preprocessor">#define QWT_PICKER 1</span>
<a name="l00012"></a>00012 <span class="preprocessor"></span>
<a name="l00013"></a>00013 <span class="preprocessor">#include <qobject.h></span>
<a name="l00014"></a>00014 <span class="preprocessor">#include <qpen.h></span>
<a name="l00015"></a>00015 <span class="preprocessor">#include <qfont.h></span>
<a name="l00016"></a>00016 <span class="preprocessor">#include <qrect.h></span>
<a name="l00017"></a>00017 <span class="preprocessor">#include "qwt_global.h"</span>
<a name="l00018"></a>00018 <span class="preprocessor">#include "qwt_text.h"</span>
<a name="l00019"></a>00019 <span class="preprocessor">#include "qwt_polygon.h"</span>
<a name="l00020"></a>00020 <span class="preprocessor">#include "qwt_event_pattern.h"</span>
<a name="l00021"></a>00021
<a name="l00022"></a>00022 <span class="keyword">class </span>QWidget;
<a name="l00023"></a>00023 <span class="keyword">class </span>QMouseEvent;
<a name="l00024"></a>00024 <span class="keyword">class </span>QWheelEvent;
<a name="l00025"></a>00025 <span class="keyword">class </span>QKeyEvent;
<a name="l00026"></a>00026 <span class="keyword">class </span><a class="code" href="class_qwt_picker_machine.html" title="A state machine for QwtPicker selections.">QwtPickerMachine</a>;
<a name="l00027"></a>00027
<a name="l00080"></a><a class="code" href="class_qwt_picker.html">00080</a> <span class="keyword">class </span>QWT_EXPORT <a class="code" href="class_qwt_picker.html" title="QwtPicker provides selections on a widget.">QwtPicker</a>: <span class="keyword">public</span> QObject, <span class="keyword">public</span> <a class="code" href="class_qwt_event_pattern.html" title="A collection of event patterns.">QwtEventPattern</a>
<a name="l00081"></a>00081 {
<a name="l00082"></a>00082 Q_OBJECT
<a name="l00083"></a>00083
<a name="l00084"></a>00084 Q_ENUMS(<a class="code" href="class_qwt_picker.html#ab36c79d8ff20aba5b778d2823c1f7894">RubberBand</a>)
<a name="l00085"></a>00085 Q_ENUMS(<a class="code" href="class_qwt_picker.html#a01be4d404ffc3a7b238b0d0aaeb66b93">DisplayMode</a>)
<a name="l00086"></a>00086 Q_ENUMS(<a class="code" href="class_qwt_picker.html#ab3c894deed026f392496dd07809a6fd3">ResizeMode</a>)
<a name="l00087"></a>00087
<a name="l00088"></a>00088 Q_PROPERTY(<span class="keywordtype">int</span> selectionFlags READ selectionFlags WRITE setSelectionFlags)
<a name="l00089"></a>00089 Q_PROPERTY(<a class="code" href="class_qwt_picker.html#a01be4d404ffc3a7b238b0d0aaeb66b93">DisplayMode</a> trackerMode READ trackerMode WRITE setTrackerMode)
<a name="l00090"></a>00090 Q_PROPERTY(QFont trackerFont READ trackerFont WRITE setTrackerFont)
<a name="l00091"></a>00091 Q_PROPERTY(<a class="code" href="class_qwt_picker.html#ab36c79d8ff20aba5b778d2823c1f7894">RubberBand</a> rubberBand READ rubberBand WRITE setRubberBand)
<a name="l00092"></a>00092 Q_PROPERTY(<a class="code" href="class_qwt_picker.html#ab3c894deed026f392496dd07809a6fd3">ResizeMode</a> resizeMode READ resizeMode WRITE setResizeMode)
<a name="l00093"></a>00093 Q_PROPERTY(<span class="keywordtype">bool</span> isEnabled READ isEnabled WRITE setEnabled)
<a name="l00094"></a>00094
<a name="l00095"></a>00095 Q_PROPERTY(QPen trackerPen READ trackerPen WRITE setTrackerPen)
<a name="l00096"></a>00096 Q_PROPERTY(QPen rubberBandPen READ rubberBandPen WRITE setRubberBandPen)
<a name="l00097"></a>00097
<a name="l00098"></a>00098 <span class="keyword">public</span>:
<a name="l00117"></a><a class="code" href="class_qwt_picker.html#a446d9f87a6796d62949c62d77c51e3eb">00117</a> <span class="keyword">enum</span> <a class="code" href="class_qwt_picker.html#a446d9f87a6796d62949c62d77c51e3eb">SelectionType</a>
<a name="l00118"></a>00118 {
<a name="l00119"></a>00119 NoSelection = 0,
<a name="l00120"></a>00120 PointSelection = 1,
<a name="l00121"></a>00121 RectSelection = 2,
<a name="l00122"></a>00122 PolygonSelection = 4
<a name="l00123"></a>00123 };
<a name="l00124"></a>00124
<a name="l00143"></a><a class="code" href="class_qwt_picker.html#a7417aae2fb1ba27fa864ac153df18b6c">00143</a> <span class="keyword">enum</span> <a class="code" href="class_qwt_picker.html#a7417aae2fb1ba27fa864ac153df18b6c" title="Selection subtype for RectSelection This enum type describes the type of rectangle selections...">RectSelectionType</a>
<a name="l00144"></a>00144 {
<a name="l00145"></a>00145 CornerToCorner = 64,
<a name="l00146"></a>00146 CenterToCorner = 128,
<a name="l00147"></a>00147 CenterToRadius = 256
<a name="l00148"></a>00148 };
<a name="l00149"></a>00149
<a name="l00157"></a><a class="code" href="class_qwt_picker.html#a7fde641b6e2514f5271106a1cedd8718">00157</a> <span class="keyword">enum</span> <a class="code" href="class_qwt_picker.html#a7fde641b6e2514f5271106a1cedd8718">SelectionMode</a>
<a name="l00158"></a>00158 {
<a name="l00159"></a>00159 ClickSelection = 1024,
<a name="l00160"></a>00160 DragSelection = 2048
<a name="l00161"></a>00161 };
<a name="l00162"></a>00162
<a name="l00187"></a><a class="code" href="class_qwt_picker.html#ab36c79d8ff20aba5b778d2823c1f7894">00187</a> <span class="keyword">enum</span> <a class="code" href="class_qwt_picker.html#ab36c79d8ff20aba5b778d2823c1f7894">RubberBand</a>
<a name="l00188"></a>00188 {
<a name="l00189"></a>00189 NoRubberBand = 0,
<a name="l00190"></a>00190
<a name="l00191"></a>00191 <span class="comment">// Point</span>
<a name="l00192"></a>00192 HLineRubberBand,
<a name="l00193"></a>00193 VLineRubberBand,
<a name="l00194"></a>00194 CrossRubberBand,
<a name="l00195"></a>00195
<a name="l00196"></a>00196 <span class="comment">// Rect</span>
<a name="l00197"></a>00197 RectRubberBand,
<a name="l00198"></a>00198 EllipseRubberBand,
<a name="l00199"></a>00199
<a name="l00200"></a>00200 <span class="comment">// Polygon</span>
<a name="l00201"></a>00201 PolygonRubberBand,
<a name="l00202"></a>00202
<a name="l00203"></a>00203 UserRubberBand = 100
<a name="l00204"></a>00204 };
<a name="l00205"></a>00205
<a name="l00217"></a><a class="code" href="class_qwt_picker.html#a01be4d404ffc3a7b238b0d0aaeb66b93">00217</a> <span class="keyword">enum</span> <a class="code" href="class_qwt_picker.html#a01be4d404ffc3a7b238b0d0aaeb66b93">DisplayMode</a>
<a name="l00218"></a>00218 {
<a name="l00219"></a>00219 AlwaysOff,
<a name="l00220"></a>00220 AlwaysOn,
<a name="l00221"></a>00221 ActiveOnly
<a name="l00222"></a>00222 };
<a name="l00223"></a>00223
<a name="l00236"></a><a class="code" href="class_qwt_picker.html#ab3c894deed026f392496dd07809a6fd3">00236</a> <span class="keyword">enum</span> <a class="code" href="class_qwt_picker.html#ab3c894deed026f392496dd07809a6fd3">ResizeMode</a>
<a name="l00237"></a>00237 {
<a name="l00238"></a>00238 Stretch,
<a name="l00239"></a>00239 KeepSize
<a name="l00240"></a>00240 };
<a name="l00241"></a>00241
<a name="l00242"></a>00242 <span class="keyword">explicit</span> <a class="code" href="class_qwt_picker.html" title="QwtPicker provides selections on a widget.">QwtPicker</a>(QWidget *parent);
<a name="l00243"></a>00243 <span class="keyword">explicit</span> <a class="code" href="class_qwt_picker.html" title="QwtPicker provides selections on a widget.">QwtPicker</a>(<span class="keywordtype">int</span> selectionFlags, RubberBand rubberBand,
<a name="l00244"></a>00244 DisplayMode trackerMode, QWidget *);
<a name="l00245"></a>00245
<a name="l00246"></a>00246 <span class="keyword">virtual</span> ~<a class="code" href="class_qwt_picker.html" title="QwtPicker provides selections on a widget.">QwtPicker</a>();
<a name="l00247"></a>00247
<a name="l00248"></a>00248 <span class="keyword">virtual</span> <span class="keywordtype">void</span> setSelectionFlags(<span class="keywordtype">int</span>);
<a name="l00249"></a>00249 <span class="keywordtype">int</span> selectionFlags() <span class="keyword">const</span>;
<a name="l00250"></a>00250
<a name="l00251"></a>00251 <span class="keyword">virtual</span> <span class="keywordtype">void</span> setRubberBand(RubberBand);
<a name="l00252"></a>00252 RubberBand rubberBand() <span class="keyword">const</span>;
<a name="l00253"></a>00253
<a name="l00254"></a>00254 <span class="keyword">virtual</span> <span class="keywordtype">void</span> setTrackerMode(DisplayMode);
<a name="l00255"></a>00255 DisplayMode trackerMode() <span class="keyword">const</span>;
<a name="l00256"></a>00256
<a name="l00257"></a>00257 <span class="keyword">virtual</span> <span class="keywordtype">void</span> setResizeMode(ResizeMode);
<a name="l00258"></a>00258 ResizeMode resizeMode() <span class="keyword">const</span>;
<a name="l00259"></a>00259
<a name="l00260"></a>00260 <span class="keyword">virtual</span> <span class="keywordtype">void</span> setRubberBandPen(<span class="keyword">const</span> QPen &);
<a name="l00261"></a>00261 QPen rubberBandPen() <span class="keyword">const</span>;
<a name="l00262"></a>00262
<a name="l00263"></a>00263 <span class="keyword">virtual</span> <span class="keywordtype">void</span> setTrackerPen(<span class="keyword">const</span> QPen &);
<a name="l00264"></a>00264 QPen trackerPen() <span class="keyword">const</span>;
<a name="l00265"></a>00265
<a name="l00266"></a>00266 <span class="keyword">virtual</span> <span class="keywordtype">void</span> setTrackerFont(<span class="keyword">const</span> QFont &);
<a name="l00267"></a>00267 QFont trackerFont() <span class="keyword">const</span>;
<a name="l00268"></a>00268
<a name="l00269"></a>00269 <span class="keywordtype">bool</span> isEnabled() <span class="keyword">const</span>;
<a name="l00270"></a>00270 <span class="keyword">virtual</span> <span class="keywordtype">void</span> setEnabled(<span class="keywordtype">bool</span>);
<a name="l00271"></a>00271
<a name="l00272"></a>00272 <span class="keywordtype">bool</span> isActive() <span class="keyword">const</span>;
<a name="l00273"></a>00273
<a name="l00274"></a>00274 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> eventFilter(QObject *, QEvent *);
<a name="l00275"></a>00275
<a name="l00276"></a>00276 QWidget *parentWidget();
<a name="l00277"></a>00277 <span class="keyword">const</span> QWidget *parentWidget() <span class="keyword">const</span>;
<a name="l00278"></a>00278
<a name="l00279"></a>00279 <span class="keyword">virtual</span> QRect pickRect() <span class="keyword">const</span>;
<a name="l00280"></a>00280 <span class="keyword">const</span> QwtPolygon &selection() <span class="keyword">const</span>;
<a name="l00281"></a>00281
<a name="l00282"></a>00282 <span class="keyword">virtual</span> <span class="keywordtype">void</span> drawRubberBand(QPainter *) <span class="keyword">const</span>;
<a name="l00283"></a>00283 <span class="keyword">virtual</span> <span class="keywordtype">void</span> drawTracker(QPainter *) <span class="keyword">const</span>;
<a name="l00284"></a>00284
<a name="l00285"></a>00285 <span class="keyword">virtual</span> <a class="code" href="class_qwt_text.html" title="A class representing a text.">QwtText</a> trackerText(<span class="keyword">const</span> QPoint &pos) <span class="keyword">const</span>;
<a name="l00286"></a>00286 QPoint trackerPosition() <span class="keyword">const</span>;
<a name="l00287"></a>00287 QRect trackerRect(<span class="keyword">const</span> QFont &) <span class="keyword">const</span>;
<a name="l00288"></a>00288
<a name="l00289"></a>00289
<a name="l00290"></a>00290 signals:
<a name="l00297"></a>00297 <span class="keywordtype">void</span> selected(<span class="keyword">const</span> QwtPolygon &pa);
<a name="l00298"></a>00298
<a name="l00305"></a>00305 <span class="keywordtype">void</span> appended(<span class="keyword">const</span> QPoint &pos);
<a name="l00306"></a>00306
<a name="l00314"></a>00314 <span class="keywordtype">void</span> moved(<span class="keyword">const</span> QPoint &pos);
<a name="l00315"></a>00315
<a name="l00323"></a>00323 <span class="keywordtype">void</span> changed(<span class="keyword">const</span> QwtPolygon &pa);
<a name="l00324"></a>00324
<a name="l00325"></a>00325 <span class="keyword">protected</span>:
<a name="l00334"></a>00334 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> accept(QwtPolygon &selection) <span class="keyword">const</span>;
<a name="l00335"></a>00335
<a name="l00336"></a>00336 <span class="keyword">virtual</span> <span class="keywordtype">void</span> transition(<span class="keyword">const</span> QEvent *);
<a name="l00337"></a>00337
<a name="l00338"></a>00338 <span class="keyword">virtual</span> <span class="keywordtype">void</span> begin();
<a name="l00339"></a>00339 <span class="keyword">virtual</span> <span class="keywordtype">void</span> append(<span class="keyword">const</span> QPoint &);
<a name="l00340"></a>00340 <span class="keyword">virtual</span> <span class="keywordtype">void</span> move(<span class="keyword">const</span> QPoint &);
<a name="l00341"></a>00341 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> end(<span class="keywordtype">bool</span> ok = <span class="keyword">true</span>);
<a name="l00342"></a>00342
<a name="l00343"></a>00343 <span class="keyword">virtual</span> <span class="keywordtype">void</span> reset();
<a name="l00344"></a>00344
<a name="l00345"></a>00345 <span class="keyword">virtual</span> <span class="keywordtype">void</span> widgetMousePressEvent(QMouseEvent *);
<a name="l00346"></a>00346 <span class="keyword">virtual</span> <span class="keywordtype">void</span> widgetMouseReleaseEvent(QMouseEvent *);
<a name="l00347"></a>00347 <span class="keyword">virtual</span> <span class="keywordtype">void</span> widgetMouseDoubleClickEvent(QMouseEvent *);
<a name="l00348"></a>00348 <span class="keyword">virtual</span> <span class="keywordtype">void</span> widgetMouseMoveEvent(QMouseEvent *);
<a name="l00349"></a>00349 <span class="keyword">virtual</span> <span class="keywordtype">void</span> widgetWheelEvent(QWheelEvent *);
<a name="l00350"></a>00350 <span class="keyword">virtual</span> <span class="keywordtype">void</span> widgetKeyPressEvent(QKeyEvent *);
<a name="l00351"></a>00351 <span class="keyword">virtual</span> <span class="keywordtype">void</span> widgetKeyReleaseEvent(QKeyEvent *);
<a name="l00352"></a>00352 <span class="keyword">virtual</span> <span class="keywordtype">void</span> widgetLeaveEvent(QEvent *);
<a name="l00353"></a>00353
<a name="l00354"></a>00354 <span class="keyword">virtual</span> <span class="keywordtype">void</span> stretchSelection(<span class="keyword">const</span> QSize &oldSize,
<a name="l00355"></a>00355 <span class="keyword">const</span> QSize &newSize);
<a name="l00356"></a>00356
<a name="l00357"></a>00357 <span class="keyword">virtual</span> <a class="code" href="class_qwt_picker_machine.html" title="A state machine for QwtPicker selections.">QwtPickerMachine</a> *stateMachine(<span class="keywordtype">int</span>) <span class="keyword">const</span>;
<a name="l00358"></a>00358
<a name="l00359"></a>00359 <span class="keyword">virtual</span> <span class="keywordtype">void</span> updateDisplay();
<a name="l00360"></a>00360
<a name="l00361"></a>00361 <span class="keyword">const</span> QWidget *rubberBandWidget() <span class="keyword">const</span>;
<a name="l00362"></a>00362 <span class="keyword">const</span> QWidget *trackerWidget() <span class="keyword">const</span>;
<a name="l00363"></a>00363
<a name="l00364"></a>00364 <span class="keyword">private</span>:
<a name="l00365"></a>00365 <span class="keywordtype">void</span> init(QWidget *, <span class="keywordtype">int</span> selectionFlags, RubberBand rubberBand,
<a name="l00366"></a>00366 DisplayMode trackerMode);
<a name="l00367"></a>00367
<a name="l00368"></a>00368 <span class="keywordtype">void</span> setStateMachine(<a class="code" href="class_qwt_picker_machine.html" title="A state machine for QwtPicker selections.">QwtPickerMachine</a> *);
<a name="l00369"></a>00369 <span class="keywordtype">void</span> setMouseTracking(<span class="keywordtype">bool</span>);
<a name="l00370"></a>00370
<a name="l00371"></a>00371 <span class="keyword">class </span>PickerWidget;
<a name="l00372"></a>00372 <span class="keyword">class </span>PrivateData;
<a name="l00373"></a>00373 PrivateData *d_data;
<a name="l00374"></a>00374 };
<a name="l00375"></a>00375
<a name="l00376"></a>00376 <span class="preprocessor">#endif</span>
</pre></div></div>
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