miqt/examples/subclass/main.go

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2024-11-15 06:55:52 +00:00
package main
import (
"os"
"github.com/mappu/miqt/qt"
)
func main() {
qt.NewQApplication(os.Args)
widget := qt.NewQWidget2()
widget.SetFixedWidth(320)
widget.SetFixedHeight(240)
widget.OnPaintEvent(func(ev *qt.QPaintEvent) {
panic("xyz")
ptr := qt.NewQPainter2(widget.QPaintDevice)
defer ptr.Delete()
br := qt.NewQBrush12(qt.Black, qt.SolidPattern)
defer br.Delete()
ptr.SetBrush(br)
ptr.DrawRect2(80, 60, 160, 120)
ptr.End()
})
widget.Show()
widget.Repaint()
widget.Update()
qt.QApplication_Exec()
}