qt-course/qt-designer/MyWidget.cpp

   1 #include <QDate>
   2
   3 #include "MyWidget.h"
   4
   5 MyWidget::MyWidget(QWidget *parent)
   6 : QWidget(parent)
   7 {
   8         m_ui = new Ui::MyWidgetBase();
   9         m_ui->setupUi(this);
  10
  11         m_ui->m_hslider->setMinimum(1);
  12         m_ui->m_progress->setMinimum(1);
  13
  14         connect(m_ui->m_calendar, SIGNAL(clicked(const QDate &)), this,
  15                         SLOT(slot_clicked(const QDate &)));
  16         connect(m_ui->m_hslider, SIGNAL(valueChanged(int)), this,
  17                         SLOT(slot_changed(int)));
  18
  19         slot_clicked(QDate::currentDate());
  20 }
  21
  22 MyWidget::~MyWidget()
  23 {
  24 }
  25
  26 void MyWidget::slot_clicked(const QDate &date)
  27 {
  28         // slider
  29         m_ui->m_hslider->setMaximum(date.daysInMonth());
  30         m_ui->m_hslider->setValue(date.day());
  31
  32         // progress bar
  33         m_ui->m_progress->setMaximum(date.daysInMonth());
  34         m_ui->m_progress->setValue(date.day());
  35
  36         // label
  37         m_ui->m_label->setText(date.toString("dddd"));
  38 }
  39
  40 void MyWidget::slot_changed(int value)
  41 {
  42         QDate date;
  43
  44         date = QDate::currentDate();
  45
  46         date.setDate(date.year(), date.month(), value);
  47         m_ui->m_calendar->setSelectedDate(date);
  48         slot_clicked(date);
  49 }