00001 /*************************************************************************** 00002 ** 00003 ** This file is part of SciFigs. 00004 ** 00005 ** This library is free software; you can redistribute it and/or 00006 ** modify it under the terms of the GNU Lesser General Public 00007 ** License as published by the Free Software Foundation; either 00008 ** version 2.1 of the License, or (at your option) any later version. 00009 ** 00010 ** This file is distributed in the hope that it will be useful, but WITHOUT 00011 ** ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 00012 ** FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 00013 ** License for more details. 00014 ** 00015 ** You should have received a copy of the GNU Lesser General Public 00016 ** License along with this library; if not, write to the Free Software 00017 ** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00018 ** 00019 ** See http://www.geopsy.org for more information. 00020 ** 00021 ** Created : 2003-02-17 00022 ** Authors : 00023 ** Marc Wathelet 00024 ** Marc Wathelet (ULg, Liège, Belgium) 00025 ** Marc Wathelet (LGIT, Grenoble, France) 00026 ** 00027 ***************************************************************************/ 00028 00029 #ifndef GRAPHCONTENTLAYER_H 00030 #define GRAPHCONTENTLAYER_H 00031 00032 #include <QtGui> 00033 #include <QGpGuiTools.h> 00034 #include "SciFigsDLLExport.h" 00035 00036 namespace SciFigs { 00037 00038 class GraphContent; 00039 class AxisWindow; 00040 class GraphContentProperties; 00041 class LayerMouseTracking; 00042 class LayerPainterRequest; 00043 class GraphContentOptions; 00044 00045 //#define GRAPHCONTENTLAYER_TESTING 00046 00047 class SCIFIGS_EXPORT GraphContentLayer : public QObject, public PropertyItem, public XMLClass 00048 { 00049 Q_OBJECT 00050 // Overload to mark the beginning of properties to save to XML 00051 Q_PROPERTY(QString objectName READ objectName WRITE setObjectName STORED true) 00052 // Kept only to avoid warning on loading old files 00053 Q_PROPERTY(QString name READ dummyPropertyString WRITE setObjectName STORED false) 00054 00055 Q_PROPERTY(qreal opacity READ opacity WRITE setOpacity STORED true) 00056 DUMMY_PROPERTIES; 00057 public: 00058 GraphContentLayer(AxisWindow * parent=0); 00059 00060 virtual const QString& xml_tagName() const {return xmlGraphContentLayerTag;} 00061 static const QString xmlGraphContentLayerTag; 00062 00063 void lock() {_mutex.lock();} 00064 void lockDelayPainting(); 00065 void unlock() {_mutex.unlock();} 00066 00067 virtual void setParent(GraphContent * parent); 00068 // Returns the graphcontent parent 00069 GraphContent * graphContent() {return reinterpret_cast<GraphContent *>(parent());} 00070 const GraphContent * graphContent() const {return reinterpret_cast<const GraphContent *>(parent());} 00071 // Returns the axiswindow parent 00072 AxisWindow * graph() const {return reinterpret_cast<AxisWindow *>(parent()->parent());} 00073 00074 // From user changes, update the properties 00075 virtual bool mousePressEvent (QMouseEvent * e, int id=-1) {Q_UNUSED(e); Q_UNUSED(id); return true;} 00076 virtual bool mouseReleaseEvent (QMouseEvent * e, int id=-1) {Q_UNUSED(e); Q_UNUSED(id); return true;} 00077 virtual void mouseMoveEvent (const QPoint& pt, Qt::MouseButtons buttons, Qt::KeyboardModifiers modifiers) { 00078 Q_UNUSED(pt); 00079 Q_UNUSED(buttons); 00080 Q_UNUSED(modifiers); 00081 } 00082 virtual bool wheelEvent(QWheelEvent * e) {Q_UNUSED(e); return true;} 00083 virtual bool keyPressEvent(QKeyEvent* e) {Q_UNUSED(e); return true;} 00084 virtual bool keyReleaseEvent(QKeyEvent* e) {Q_UNUSED(e); return true;} 00085 virtual inline bool trackRectangle(int id, double rx1,double ry1, double rx2, double ry2, Qt::KeyboardModifiers m); 00086 void paint(const LayerPainterRequest& lp, QPainter& p, double dotpercm); 00087 virtual inline void paintText(const LayerPainterRequest& lp, double dotpercm); 00088 virtual Rect boundingRect() const=0; 00089 virtual QString coordinateTipInfo(const Point2D& p) const; 00090 00091 void setOpacity(qreal o); 00092 qreal opacity() const {return _opacity;} 00093 00094 void addReference() {_referenceCount++;} 00095 void removeReference() {_referenceCount--; ASSERT(_referenceCount>=0);} 00096 bool isRemovable() const {return _referenceCount==0;} 00097 00098 void setEditable(bool r) {_isEditable=r;} 00099 bool isEditable() const {return _isEditable;} 00100 00101 void setSelected(bool s) {_isSelected=s;} 00102 bool isSelected() const {return _isSelected;} 00103 00104 QAction * addTrackingAction(QString text, int id=0, QString statusTip=QString::null); 00105 void setTrackingAction(int id, bool checked); 00106 static QString trackingActionCtrlHelp(); 00107 00108 virtual bool hasProperties() {return false;} 00109 virtual void addProperties(PropertyProxy * /* pp */ ) {} 00110 virtual void removeProperties(PropertyProxy * /* pp */ ) {} 00111 virtual void properties(PropertyWidget * /* w */ ) const {} 00112 virtual void setProperty(uint /* wid */, int /* pid */, QVariant /* val */ ) {} 00113 00114 virtual void xml_layerPolish(XML_POLISH_ARGS) {Q_UNUSED(context);} 00115 public slots: 00116 Q_SCRIPTABLE void deepUpdate(); 00117 virtual void toggleTrackingAction(bool checked, int id=-1); 00118 signals: 00119 void dataPainted(QPainter& p, double dotpercm, int w, int h) const; 00120 protected: 00121 virtual void xml_writeProperties(XML_WRITEPROPERTIES_ARGS) const; 00122 virtual XMLMember xml_member(XML_MEMBER_ARGS); 00123 virtual bool xml_setProperty(XML_SETPROPERTY_ARGS) {return qobject_setProperty(this, memberID, tag, attributes, content, context);} 00124 #ifdef GRAPHCONTENTLAYER_TESTING 00125 virtual void paintData(const LayerPainterRequest& lp, QPainter& p, double dotpercm) const; 00126 #else 00127 virtual void paintData(const LayerPainterRequest& lp, QPainter& p, double dotpercm) const=0; 00128 #endif 00129 void beginMouseTracking(const LayerMouseTracking& mt); 00130 void endMouseTracking(int id=0); 00131 bool isMouseTracking(int id=0); 00132 00133 // visible flag replace by more general "opacity": 0=invisible, 1=opaque 00134 qreal _opacity; 00135 int _referenceCount; 00136 uint _isEditable:1; 00137 uint _isSelected:1; 00138 00139 // Avoid a layer to be painted at the same time by two distinct threads 00140 mutable QMutex _mutex; 00141 }; 00142 00143 inline bool GraphContentLayer::trackRectangle(int id, double rx1,double ry1, double rx2, double ry2, Qt::KeyboardModifiers m) 00144 { 00145 TRACE; 00146 Q_UNUSED(id); 00147 Q_UNUSED(rx1); 00148 Q_UNUSED(ry1); 00149 Q_UNUSED(rx2); 00150 Q_UNUSED(ry2); 00151 Q_UNUSED(m); 00152 return false; 00153 } 00154 00155 inline void GraphContentLayer::paintText(const LayerPainterRequest& lp, double dotpercm) 00156 { 00157 TRACE; 00158 Q_UNUSED(lp); 00159 Q_UNUSED(dotpercm); 00160 } 00161 00162 } // namespace SciFigs 00163 00164 #endif // GRAPHCONTENTLAYER_H
