Clock
Analogue / digital clock
Description
The example shows U++ implementation of analog/digital clock.
Result
main.cpp
#include <CtrlLib/CtrlLib.h>
using namespace Upp;
struct App : TopWindow {
void PaintPtr(Draw& w, double pos, double m, int d, Color color, Size sz2)
{
w.DrawLine(sz2.cx, sz2.cy,
sz2.cx + int(m * sin(pos * 2 * M_PI) * sz2.cx),
sz2.cy - int(m * cos(pos * 2 * M_PI) * sz2.cy),
d, color);
}
void PaintCenteredText(Draw& w, int x, int y, const char *text, Font fnt, Color c)
{
Size tsz = GetTextSize(text, fnt);
w.DrawText(x - tsz.cx / 2, y - tsz.cy / 2, text, fnt, c);
}
virtual void Paint(Draw& w)
{
Size sz = GetSize();
w.DrawRect(sz, SLtGray);
sz -= 6;
w.Offset(3, 3);
Size sz2 = sz / 2;
w.DrawEllipse(0, 0, sz.cx, sz.cy, SWhite, 3, SBlack);
Font fnt = Arial(min(sz.cx, sz.cy) / 10);
for(int i = 1; i <= 12; i++) {
PaintCenteredText(w, sz2.cx + int(0.8 * sin(i * M_PI / 6) * sz2.cx),
sz2.cy - int(0.8 * cos(i * M_PI / 6) * sz2.cy),
AsString(i), i % 3 ? fnt : fnt().Bold(), SBlack);
}
Date date = GetSysDate();
PaintCenteredText(w, sz.cx / 2, 3 * sz.cy / 5, GetLanguageInfo().FormatDate(date),
fnt().Bold(), SLtBlue);
double tm = double(GetSysTime() - ToTime(date));
PaintPtr(w, tm / 60, 0.75, 1, SRed, sz2);
PaintPtr(w, tm / 3600, 0.6, 2, SCyan, sz2);
PaintPtr(w, tm / 3600 / 12, 0.5, 4, SBlack, sz2);
w.End();
}
void Timer()
{
Refresh();
}
App()
{
SetRect(0, 0, 150, 150);
Sizeable().Zoomable();
BackPaint();
SetTimeCallback(-1000, callback(this, &App::Timer));
Title("Clock");
}
};
GUI_APP_MAIN
{
App().Run();
}
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