#!/usr/bin/env ruby
require 'Qt4'
class Clock < Qt::Widget
def initialize(parent=nil)
super(parent)
#timer
timer = Qt::Timer.new(self)
timer.connect(SIGNAL :timeout) {self.update}
timer.start(1000)
#window
setWindowIcon(Qt::Icon.new('Default.png'))
setWindowTitle('Clock')
resize(200, 200)
#hour pointer
@hPointer = Qt::Polygon.new([
Qt::Point.new(6, 7),
Qt::Point.new(-6, 7),
Qt::Point.new(0, -50)
])
#minute pointer
@mPointer = Qt::Polygon.new([
Qt::Point.new(6, 7),
Qt::Point.new(-6, 7),
Qt::Point.new(0, -70)
])
#second pointer
@sPointer = Qt::Polygon.new([
Qt::Point.new(1, 1),
Qt::Point.new(-1, 1),
Qt::Point.new(0, -90)
])
#colors
@bColor = Qt::Color.new('#0000aa') #hours and minutes
@sColor = Qt::Color.new('#aa0087')
def paintEvent(event)
painter = Qt::Painter.new(self)
drawFace(painter)
painter.end
end
def drawFace(painter)
rec = [self.width, self.height].min
tik = Qt::Time::currentTime
painter.setRenderHint(Qt::Painter::Antialiasing)
painter.translate(self.width / 2, self.height / 2)
painter.scale(rec / 200, rec / 200)
painter.setPen(Qt::NoPen)
drawPointer(painter, @bColor, (30 * (tik.hour + tik.minute / 60)), @hPointer)
drawPointer(painter, @bColor, (6 * (tik.minute + tik.second / 60)), @mPointer)
drawPointer(painter, @sColor, (6 * tik.second), @sPointer)
painter.setPen(Qt::Pen.new(@bColor))
for i in 0..59
if (i % 5) != 6
painter.drawLine(87, 0, 97, 0)
end
painter.rotate(6)
end
end
def drawPointer(painter, color, rotation, pointer)
painter.setBrush(Qt::Brush.new(color))
painter.save
painter.rotate(rotation)
painter.drawConvexPolygon(pointer)
painter.restore
end
end
end
app = Qt::Application.new(ARGV)
win = Clock.new
win.show
app.exec
