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require 'Qt'
#### TODO ###
# dup of qobject crash
def bug1
p1 = Qt::Point.new(5,5)
p1.setX 5
p p1
p3 = p1.dup
p3.setX 5
p p3
end
#bug1
#### FIXED ###
def bug3
a = Qt::Application.new(ARGV)
@file = Qt::PopupMenu.new
@file.insertSeparator
Qt::debug_level = Qt::DebugLevel::High
p $qApp
@file.insertItem("Quit", $qApp, SLOT('quit()'))
@file.exec
end
#bug3
class CPUWaster < Qt::Widget
def initialize(*k)
super(*k)
end
def draw
painter = Qt::Painter.new(self)
0.upto(1000) { |i|
cw, ch = width, height
c = Qt::Color.new(rand(255), rand(255), rand(255))
x = rand(cw - 8)
y = rand(cw - 8)
w = rand(cw - x)
h = rand(cw - y)
brush = Qt::Brush.new(c)
brush.setStyle(Qt::Dense6Pattern)
Qt::debug_level = Qt::DebugLevel::High
painter.fillRect(Qt::Rect.new(x, y, w, h), brush)
Qt::debug_level = Qt::DebugLevel::Off
}
end
end
def bug4
Qt::Application.new(ARGV)
w = CPUWaster.new
w.show
w.draw
end
bug4
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