Wt examples
3.3.0
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A widget which displays a decrementing number. More...
#include <CountDownWidget.h>
Public Member Functions | |
CountDownWidget (int start, int stop, unsigned msec, WContainerWidget *parent=0) | |
Create a new CountDownWidget. | |
Wt::Signal< void > & | done () |
Signal emitted when the countdown reached stop. | |
void | cancel () |
Cancel the count down. | |
Private Member Functions | |
void | timerTick () |
Process one timer tick. | |
Private Attributes | |
Wt::Signal< void > | done_ |
int | start_ |
int | stop_ |
unsigned | msec_ |
int | current_ |
WTimer * | timer_ |
A widget which displays a decrementing number.
Definition at line 25 of file CountDownWidget.h.
CountDownWidget::CountDownWidget | ( | int | start, |
int | stop, | ||
unsigned | msec, | ||
WContainerWidget * | parent = 0 |
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) |
Create a new CountDownWidget.
The widget will count down from start to stop, decrementing the number every msec milliseconds.
Definition at line 12 of file CountDownWidget.C.
: WText(parent), done_(this), start_(start), stop_(stop) { stop_ = std::min(start_ - 1, stop_); // stop must be smaller than start current_ = start_; timer_ = new WTimer(this); timer_->setInterval(msec); timer_->timeout().connect(this, &CountDownWidget::timerTick); timer_->start(); setText(boost::lexical_cast<std::string>(current_)); }
void CountDownWidget::cancel | ( | ) |
Wt::Signal<void>& CountDownWidget::done | ( | ) | [inline] |
Signal emitted when the countdown reached stop.
Definition at line 38 of file CountDownWidget.h.
{ return done_; }
void CountDownWidget::timerTick | ( | ) | [private] |
int CountDownWidget::current_ [private] |
Definition at line 50 of file CountDownWidget.h.
Wt::Signal<void> CountDownWidget::done_ [private] |
Definition at line 45 of file CountDownWidget.h.
unsigned CountDownWidget::msec_ [private] |
Definition at line 48 of file CountDownWidget.h.
int CountDownWidget::start_ [private] |
Definition at line 46 of file CountDownWidget.h.
int CountDownWidget::stop_ [private] |
Definition at line 47 of file CountDownWidget.h.
WTimer* CountDownWidget::timer_ [private] |
Definition at line 52 of file CountDownWidget.h.