QT实现万年历

#include "calendarwidget.h" #include "date.h" #include "database.h" #include <QInputDialog> #include <QPainter> #include <QStyleOption> #include <QDateTime> #include <QPushButton> #include <QLineEdit> #include <QGroupBox> #include <QLabel> #include <QDate> #include <QGridLayout> #include <QHBoxLayout> #include <QVBoxLayout> #include <QSpacerItem> #include <QDebug> #include <QFont> static const QString s_strWeek[] = { QObject::tr("周日"), QObject::tr("周一"), QObject::tr("周二"), QObject::tr("周三"), QObject::tr("周四"), QObject::tr("周五"), QObject::tr("周六"), }; CalendarWidget::CalendarWidget(QWidget *parent) : QWidget(parent), m_nMonth(1) { // 获取当前年月日 m_nYear = QDate::currentDate().year(); m_nMonth = QDate::currentDate().month(); m_nDay = QDate::currentDate().day(); initWidget(); initDate(); } CalendarWidget::~CalendarWidget() { } int CalendarWidget::year() const { return m_nYear; } void CalendarWidget::setYear(int nYear) { m_nYear = nYear; } int CalendarWidget::month() const { return m_nMonth; } void CalendarWidget::setMonth(int nMonth) { m_nMonth = nMonth; } int CalendarWidget::day() const { return m_nDay; } void CalendarWidget::setDay(int nDay) { m_nDay = nDay; } void CalendarWidget::jumpTodate(int year, int month, int day) { setYear(year); setMonth(month); setDay(day); initDate(); } /** * @brief CalendarWidget::initWidget 初始化界面 */ void CalendarWidget::initWidget() { this->setMinimumSize(427, 350); this->setObjectName("widgetCalendar"); verLayoutCalendar = new QVBoxLayout(this); verLayoutCalendar->setContentsMargins(2, 2, 2, 2); verLayoutCalendar->setSpacing(0); //! [2] widgetTitle = new QWidget(this); widgetTitle->setObjectName("widgetTitle"); widgetTitle->setMinimumHeight(20); btnPrevMonth = new QPushButton(widgetTitle); btnPrevMonth->setText(tr("上月")); labelTitle = new QLabel(widgetTitle); labelTitle->setAlignment(Qt::AlignCenter); labelTitle->setObjectName("labelTitle"); labelTitle->setText(QDateTime::currentDateTime() .toString("yyyy 年 MM 月 ")); btnNextMonth = new QPushButton(widgetTitle); btnNextMonth->setText(tr("下月")); horLayoutTitle = new QHBoxLayout(widgetTitle); horLayoutTitle->addWidget(btnPrevMonth); horLayoutTitle->addWidget(labelTitle, 1); horLayoutTitle->addWidget(btnNextMonth); verLayoutCalendar->addWidget(widgetTitle); connect(btnPrevMonth, SIGNAL(clicked(bool)), this, SLOT(sltShowPrevMonth())); connect(btnNextMonth, SIGNAL(clicked(bool)), this, SLOT(sltShowNextMonth())); //! [2] //! [3] widgetWeek = new QWidget(this); widgetWeek->setObjectName("widgetWeek"); horLayoutWeek = new QHBoxLayout(widgetWeek); horLayoutWeek->setContentsMargins(0, 0, 0, 0); horLayoutWeek->setSpacing(0); for (int i = 0; i < Week; i++) { labelWeek[i] = new QLabel(widgetWeek); labelWeek[i]->setText(s_strWeek[i]); labelWeek[i]->setObjectName("labelWeek"); labelWeek[i]->setMinimumHeight(30); labelWeek[i]->setAlignment(Qt::AlignCenter); if ((0 == (i % 7)) || (6 == (i% 7))) { labelWeek[i]->setProperty("weekend", true); } horLayoutWeek->addWidget(labelWeek[i]); } verLayoutCalendar->addWidget(widgetWeek); //! [3] //! [4] widgetBody = new QWidget(this); verLayoutCalendar->addWidget(widgetBody, 1); gridLayoutBody = new QGridLayout(widgetBody); gridLayoutBody->setHorizontalSpacing(0); gridLayoutBody->setVerticalSpacing(0); gridLayoutBody->setContentsMargins(0, 0, 0, 0); for (int i = 0; i < 42; i++) { labelDay[i] = new DayLabel(widgetBody); labelDay[i]->setObjectName("labelDay"); labelDay[i]->setAlignment(Qt::AlignCenter); labelDay[i]->setText(QString::number(i)); if ((0 == (i % 7)) || (6 == (i% 7))) { labelDay[i]->setProperty("weekend", true); } gridLayoutBody->addWidget(labelDay[i], i / 7, i % 7); connect(labelDay[i], SIGNAL(signalClicked(int,int)), this, SLOT(sltDayClicked(int,int))); connect(labelDay[i], SIGNAL(signalPlan(QString)), this, SIGNAL(signalPlan(QString))); } //! [4] } /** * @brief CalendarWidget::initDate 初始化日期 */ void CalendarWidget::initDate() { // 首先判断当前月的第一天是星期几 int nWeek = Date::getFirstDayOfWeek(m_nYear, m_nMonth); int nMonthDays = Date::getMonthDays(m_nYear, m_nMonth); // 上月天数 int nPreMonDays = Date::getMonthDays(1 == m_nMonth ? m_nYear - 1 : m_nYear, 1 == m_nMonth ? 12 : m_nMonth - 1); // 显示当前年月 labelTitle->setText(tr("%1 年 %2 月") .arg(m_nYear, 2, 10, QChar('0')) .arg(m_nMonth, 2, 10, QChar('0'))); // 显示上月剩余天数 if (0 == nWeek) { // 显示上月天数 for (int i = 0; i < 7; i++) { labelDay[i]->showDay((nPreMonDays - 7 + i + 1), ""); labelDay[i]->setColor(PREV_MONTH_DAY); } // 显示下月天数 for (int i = 0; i < (42 - nMonthDays - 7); i++) { labelDay[nMonthDays + 7 + i]->showDay((i + 1), ""); labelDay[nMonthDays + 7 + i]->setColor(NEXT_MONTH_DAY); } } else { for (int i = 0; i < nWeek; i++) { labelDay[i]->showDay((nPreMonDays - nWeek + i + 1), ""); labelDay[i]->setColor(PREV_MONTH_DAY); } // 显示下月天数 for (int i = (nWeek + nMonthDays); i < 42; i++) { labelDay[i]->showDay((i - (nWeek + nMonthDays) + 1), ""); labelDay[i]->setColor(NEXT_MONTH_DAY); } } // 显示当前月 int nProperty = 1; QStringList strPlan; int index = 0; for (int i = nWeek; i < (nMonthDays + nWeek); i++) { index = 0 == nWeek ? (i + 7) : i; labelDay[index]->showDay(i - nWeek + 1, Date::getLunarDate(m_nYear, m_nMonth, i - nWeek + 1)); nProperty = ((0 == (i % 7)) || (6 == (i% 7))) ? WEEKEND_DAY : CURR_MONTH_DAY; labelDay[index]->setColor(nProperty); // 显示计划 strPlan = DataBase::selectDb( QString("%1-%2-%3") .arg(m_nYear, 4, 10, QChar('0')) .arg(m_nMonth, 2, 10, QChar('0')) .arg(i - nWeek + 1, 2, 10, QChar('0'))); labelDay[index]->setPlan(strPlan); } // 显示当前天数 if(0==nWeek) labelDay[m_nDay + nWeek +6]->setColor(CURRENT_DAY); else labelDay[m_nDay + nWeek - 1]->setColor(CURRENT_DAY); // 发送更新信号 Q_EMIT signalDayChanged(); } /** * @brief CalendarWidget::sltDayClicked 点击响应 * @param type 类型 0 表示上月 1表示下月 * @param day 当前点击的天数 */ void CalendarWidget::sltDayClicked(int type, int day) { // 上月 if (PREV_MONTH_DAY == type) { sltShowPrevMonth(); } // 下月 else if (NEXT_MONTH_DAY == type) { sltShowNextMonth(); } // 当天/周末/当月天数都显示在右边，并转换成农历 else if ((CURR_MONTH_DAY == type) || (WEEKEND_DAY == type) || (CURRENT_DAY == type)) { // 选中当天 Q_EMIT signalDayClicked(day); } } /** * @brief CalendarWidget::sltShowPrevMonth 显示上月日期 */ void CalendarWidget::sltShowPrevMonth() { m_nMonth--; if (m_nMonth < 1) { m_nMonth = 12; m_nYear--; } initDate(); } /** * @brief CalendarWidget::sltShowNextMonth 显示下月日期 */ void CalendarWidget::sltShowNextMonth() { m_nMonth++; if (m_nMonth > 12) { m_nMonth = 1; m_nYear++; } initDate(); } ////////////////////////////////////// /// \brief DayLabel::DayLabel /// \param par