void TodoList::paintEvent(QPaintEvent *){
QPainter painter;
painter.begin(this);
if(state == WINSTATE::LIST){
//标题名称的临时变量
char temp[128];
string text;
text += "< ";
int viewYear = viewDate.year;
int viewMonth = viewDate.month;
string viewType = "全部";
string nullText = "出去玩吧 ≥▽≤";
if(viewState == VIEWSTATE::UNDONE){
viewType = "未完成";
nullText = "出去玩吧 ^o^";
}else{
if(viewState == VIEWSTATE::WARN){
viewType = "提醒";
nullText = "没有提醒 ~";
}
}
sprintf(temp,"%d/%.2d - %s",viewYear,viewMonth,viewType.c_str());
text += temp;
text += " >";
ui->titleBox->setText(QString::fromStdString(text));
int posX = 16,posY = 60;
posY += moveY;
int paintX = 0,paintY = 0;
//用于显示具体日期，这里将同一天的事件归为一类
int lastDay = 0;
bool haveTodo = false;
bool first = true;
indexSize = 0;
int todoSize = pa.GetListSize(viewYear,viewMonth);
QDateTime qDateTime = QDateTime::currentDateTime();
QDate qDate= qDateTime.date();
QTime qTime = qDateTime.time();
Date nowDate(qDate.year(),qDate.month(),qDate.day(),qTime.hour(),qTime.minute(),qTime.second());
for(int i=0;i<todoSize;i++){
paintX = indexPosX[indexSize];
TodoItem &item = pa.GetItem(i,viewYear,viewMonth);
Date date = item.GetTime();
if(viewState == VIEWSTATE::UNDONE){
if(item.HaveDone())continue;
}else if(viewState == VIEWSTATE::WARN){
int warnTime = item.GetWarnTime();
if(warnTime == 0 || date.GetTime() - nowDate.GetTime() > warnTime){
continue;
}
}
//if(date.month != viewMonth || date.year != viewYear)continue;
haveTodo = true;
if(date.day != lastDay){
lastDay = date.day;
//优化渲染效率
if(posY + 59 +paintY + 50 > 0){
//绘制时间文字
painter.setPen(QPen(Qt::gray));
painter.setFont(sFont);
char dateText[128];
static string weekStr[7] = {"日","一","二","三","四","五","六"};
sprintf(dateText,"%d年%.2d月%.2d日 星期%s +",date.year,date.month,date.day,weekStr[date.GetWeek()].c_str());
painter.drawText(posX + 80 + paintX,posY - 21 + paintY,343,70,Qt::AlignBottom,QString::fromStdString(dateText));
painter.setPen(QPen(Qt::black));
if(!first)painter.drawPixmap(posX + 26,posY - 40 + paintY,8,60,line);//圆圈上方线条
painter.drawPixmap(posX + 9 + paintX,posY + 20 + paintY,40,40,circle);
char dayText[4];
sprintf(dayText,"%.2d",date.day);
painter.drawText(posX + 16 + paintX,posY + 14 + paintY,40,40,Qt::AlignBottom,QString::fromStdString(dayText));
painter.drawPixmap(posX + 26,posY + 59 + paintY,8,50,line); //圆圈下方线条
}
first = false;
if(indexSize < 128)indexID[indexSize ++] = -1;
paintY += 80;
}
paintX = indexPosX[indexSize];
if(posY - 26 + paintY + 70 > 0){
//绘制圆点上下直线
painter.drawPixmap(posX + 26,posY + 20 + paintY,8,10,line);//圆点上方
painter.drawPixmap(posX + 26,posY + 36 + paintY,8,65,line);//圆点下方
//Todo框
painter.drawPixmap(posX + 23 + paintX,posY + paintY,343,70,boxes[item.GetLevel()]);
//勾Todo Havedone
if(item.HaveDone())
painter.drawPixmap(posX + 68 + paintX,posY + paintY + 22,25,25,checkPic);
//绘制Todo名称
painter.setPen(QPen(Qt::black));
painter.setFont(font);
painter.drawText(posX + 113 + paintX,posY - 21 + paintY,343,70,Qt::AlignBottom,QString::fromStdString(item.GetName()));
//左侧Todo时间
painter.setPen(QPen(Qt::gray));
painter.setFont(dateFont);
char dateText[16];
sprintf(dateText,"%.2d:%.2d",date.hour,date.minute);
painter.drawText(posX - 12 + paintX,posY - 26 + paintY,343,70,Qt::AlignBottom,QString::fromStdString(dateText));
}
if(indexSize < 128)indexID[indexSize ++] = i; //记录对应todo的id号
paintY += 80;
//强行停止渲染
if(posY + 20 + paintY > 600)break;
}
lastDateY = -(paintY);
if(!haveTodo){
painter.setPen(QPen(Qt::gray));
painter.setFont(font);
painter.drawText(posX + 100,posY - 21,400,70,Qt::AlignBottom,QString::fromStdString(nullText));
}
}
painter.end();
}
