QT做的校园导游咨询系统 课程设计

#include "navigation.h" #include "sightbutton.h" #include "mainwindow.h" #include "drawpath.h" navigation::navigation(QWidget *parent):QDialog(parent) { setupUi (this); setAttribute(Qt::WA_DeleteOnClose); //在close()的时候delete()窗口 setWindowFlags(Qt::FramelessWindowHint); //设置窗口无边框 move (parent->width ()-this->width (),30); //设置对话框位置 fromEditFocus=true; } void navigation::closeWindow () { close(); } void navigation::timerEvent (QTimerEvent *event) { //如果是关闭窗口 ，则让对话框缓缓退出主窗口再关闭 if(event->timerId ()==closeTimerId) { if((this->y ()+this->height ())>0) { this->move (this->x (),this->y ()-10); } else { this->killTimer (closeTimerId); QDialog::close (); } return; } //如果是显示窗口，则让对话框缓缓进入主窗口 if(event->timerId ()==showTimerId) { if(this->y ()<20) { this->move (this->x (),this->y ()+10); } else { this->killTimer (showTimerId); } } } void navigation::close () { closeTimerId=startTimer(10); //设置时间间隔 } void navigation::show () { initSightList(); this->move (this->x (),0-this->height ()); QDialog::show (); showTimerId=startTimer(10); } void navigation::initSightList () { //初始化ListWidget控件景点列表 QList<sightButton *> allSightButtons=this->parentWidget ()->findChildren<sightButton *>(); QListIterator<sightButton *>ibuttons((allSightButtons)); while(ibuttons.hasNext ()) { sightButton *sb=ibuttons.next (); this->sightList->addItem (sb->toolTip ()); } } void navigation::onSightList (QListWidgetItem *lwi) { if(fromEditFocus==true) { fromEdit->setText (lwi->text ()); fromEditFocus=false; } else { toEdit->setText (lwi->text ()); fromEditFocus=true; } } void navigation::onNavigation () { sightButton *fromButton=NULL; sightButton *toButton=NULL; //获得主窗口所有景点按钮的QList QList<sightButton *> allSightButtons=this->parentWidget ()->findChildren<sightButton *>(); QListIterator<sightButton *>ibuttons((allSightButtons)); while(ibuttons.hasNext ()) { sightButton *sb=ibuttons.next (); if(fromEdit->text ()==sb->toolTip ()) //如果fromEdit的文本等于这个景点的toolTip则将fromButton指向这个景点 { fromButton=sb; } else if(toEdit->text()==sb->toolTip ()) //如果toEdit~~ { toButton=sb; } } if(fromButton==NULL||toButton==NULL) { return; } MainWindow *mainwindow=static_cast<MainWindow*>(this->parentWidget ()); DrawPath *drawpath=mainwindow->findChild<DrawPath *>("centralWidget"); int source; int dest; source=fromButton->toolTip ().left (fromButton->toolTip ().indexOf (" ")).toInt ()-1; dest=toButton->toolTip ().left (fromButton->toolTip ().indexOf (" ")).toInt ()-1; this->initVertex (); this->findShortPath (source,dest); drawpath->setPathLength (allVertex[dest].distance); drawpath->setDrawLine (pathPoint,true); } void navigation::initVertex () { allVertex.clear (); vertex beimen(QPoint(1050,270)); //设置顶点与加入顶点 beimen.addNeighborVertex (10); beimen.addNeighborVertex (11); vertex zuqiucang(QPoint(1110,390)); zuqiucang.addNeighborVertex (13); zuqiucang.addNeighborVertex (16); vertex yiyan(QPoint(1020,470)); yiyan.addNeighborVertex (16); yiyan.addNeighborVertex (22); vertex yijiao(QPoint(890,360)); yijiao.addNeighborVertex (12); vertex yunhu(QPoint(870,480)); yunhu.addNeighborVertex (15); yunhu.addNeighborVertex (22); vertex jinhu(QPoint(620,390)); jinhu.addNeighborVertex (18); jinhu.addNeighborVertex (15); vertex youyongchi(QPoint(380,170)); youyongchi.addNeighborVertex (21); vertex wangqiting(QPoint(340,260)); wangqiting.addNeighborVertex (19); vertex tushuguan(QPoint(710,510)); tushuguan.addNeighborVertex (17); tushuguan.addNeighborVertex (22); vertex yishitang(QPoint(820,200)); yishitang.addNeighborVertex (10); yishitang.addNeighborVertex (14); vertex v10(QPoint(920,220)); v10.addNeighborVertex (0); v10.addNeighborVertex (9); vertex v11(QPoint(980,320)); v11.addNeighborVertex (0); v11.addNeighborVertex (12); v11.addNeighborVertex (13); vertex v12(QPoint(900,340)); v12.addNeighborVertex (11); v12.addNeighborVertex (3); v12.addNeighborVertex (14); v12.addNeighborVertex (16); v12.addNeighborVertex (15); vertex v13(QPoint(1080,380)); v13.addNeighborVertex (1); v13.addNeighborVertex (11); v13.addNeighborVertex (16); vertex v14(QPoint(840,290)); v14.addNeighborVertex (12); v14.addNeighborVertex (20); v14.addNeighborVertex (9); vertex v15(QPoint(750,380)); v15.addNeighborVertex (5); v15.addNeighborVertex (4); v15.addNeighborVertex (18); v15.addNeighborVertex (17); v15.addNeighborVertex (12); vertex v16(QPoint(1020,450)); v16.addNeighborVertex (2); v16.addNeighborVertex (13); vertex v17(QPoint(680,450)); v17.addNeighborVertex (8); v17.addNeighborVertex (15); vertex v18(QPoint(600,370)); v18.addNeighborVertex (5); v18.addNeighborVertex (15); v18.addNeighborVertex (19); vertex v19(QPoint(380,250)); v19.addNeighborVertex (7); v19.addNeighborVertex (21); vertex v20(QPoint(500,150)); v20.addNeighborVertex (14); v20.addNeighborVertex (21); vertex v21(QPoint(420,190)); v21.addNeighborVertex (6); v21.addNeighborVertex (19); v21.addNeighborVertex (20); vertex v22(QPoint(940,500)); v22.addNeighborVertex (4); v22.addNeighborVertex (2); v22.addNeighborVertex (8); allVertex.append (beimen); allVertex.append (zuqiucang); allVertex.append (yiyan); allVertex.append (yijiao); allVertex.append (yunhu); allVertex.append (jinhu); allVertex.append (youyongchi); allVertex.append (wangqiting); allVertex.append (tushuguan); allVertex.append (yishitang); allVertex.append (v10); allVertex.append (v11); allVertex.append (v12); allVertex.append (v13); allVertex.append (v14); allVertex.append (v15); allVertex.append (v16); allVertex.append (v17); allVertex.append (v18); allVertex.append (v19); allVertex.append (v20); allVertex.append (v21); allVertex.append (v22); } void navigation::findShortPath (int source,int dest) { pathPoint.clear (); allVertex[source].setLastVertex (source); //设置源点的上一个顶点为它本身 int count=allVertex.size (); int v,w; bool *found=new bool[count]; for(v=0;v<count;v++) { found[v]=false; //设置全部的顶点都没有被找到或说是上色 if(allVertex[source].neighborVertex.contains (v)) //一开始只初始化源点的临点的距离 { allVertex[v].distance=length(allVertex[source].point,allVertex[v].point); allVertex[v].setLastVertex (source); //设置各临点的上一个顶点为源点 } } found[source]=true; allVertex[source].distance=0; for(int i=0;i<count;i++) { double min=10000; for(w=0;w<count;w++) { if(!found[w]) { if(allVertex[w].distance<min) { v=w; min=allVe