Go to the documentation of this file.00001 #include "hotspot.h"
00002 #include <vector>
00003 #include <algorithm>
00004
00005 namespace wit {
00006
00025 static std::vector<Hotspot*> wit_hotspot_list;
00026
00027 struct HotspotPrivate {
00028 EventHandler* handler;
00029 Polygon poly;
00030 bool isRect, enabled;
00031 int zorder;
00032 };
00033
00037 Hotspot::Hotspot() : d(new HotspotPrivate)
00038 {
00039 d->handler = 0;
00040 d->isRect = true;
00041 d->enabled = true;
00042 d->zorder = 0;
00043 wit_hotspot_list.push_back(this);
00044 }
00045
00049 Hotspot::~Hotspot()
00050 {
00051 wit_hotspot_list.erase(std::find(wit_hotspot_list.begin(), wit_hotspot_list.end(), this));
00052 delete d;
00053 }
00054
00059 bool Hotspot::isEnabled() const
00060 {
00061 return d->enabled;
00062 }
00063
00072 void Hotspot::setEnabled(bool on)
00073 {
00074 d->enabled = on;
00075 }
00076
00083 Rect Hotspot::boundingBox() const
00084 {
00085 return d->poly.boundingBox();
00086 }
00087
00093 Polygon Hotspot::region() const
00094 {
00095 return d->poly;
00096 }
00097
00106 void Hotspot::setRegion(const Rect& rect)
00107 {
00108 d->isRect = true;
00109 Polygon poly;
00110 poly.addPoint(rect.x1, rect.y1);
00111 poly.addPoint(rect.x1, rect.y2);
00112 poly.addPoint(rect.x2, rect.y2);
00113 poly.addPoint(rect.x2, rect.y1);
00114 d->poly = poly;
00115 }
00116
00120 void Hotspot::setRegion(const Polygon& polygon)
00121 {
00122 d->isRect = false;
00123 d->poly = polygon;
00124 }
00125
00135 bool Hotspot::boundingBoxContains(float x, float y)
00136 {
00137 return boundingBox().contains(x, y);
00138 }
00139
00146 bool Hotspot::contains(float x, float y)
00147 {
00148 bool bb = boundingBox().contains(x, y);
00149 if(!bb || d->isRect)
00150 return bb;
00151 return d->poly.contains(x, y);
00152 }
00153
00160 void Hotspot::setEventHandler(EventHandler* handler)
00161 {
00162 d->handler = handler;
00163 }
00164
00171 EventHandler* Hotspot::eventHandler() const
00172 {
00173 return d->handler;
00174 }
00175
00181 int Hotspot::zIndex() const
00182 {
00183 return d->zorder;
00184 }
00185
00196 void Hotspot::setZIndex(int z)
00197 {
00198 d->zorder = z;
00199 }
00200
00204 std::auto_ptr<HotspotList> Hotspot::findAtPoint(float x, float y)
00205 {
00206 std::auto_ptr<HotspotList> rv(new HotspotList);
00207 if(!wit_hotspot_list.size()) return rv;
00208
00209 Hotspot** end = &wit_hotspot_list.back();
00210 Hotspot* hs;
00211 for(Hotspot** iter = &wit_hotspot_list.front(); iter <= end; iter++) {
00212 if(!iter) continue;
00213 hs = *iter;
00214 if(!hs->isEnabled())
00215 continue;
00216 if(hs->contains(x, y))
00217 rv->push_back(hs);
00218 }
00219 return rv;
00220 }
00221
00222 }
