32 lines
855 B
Text
32 lines
855 B
Text
// Kotlin Native v0.3
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import kotlinx.cinterop.*
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import Xlib.*
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fun main(args: Array<String>) {
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val msg = "Hello, World!"
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val d = XOpenDisplay(null)
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if (d == null) {
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println("Cannot open display")
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return
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}
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val s = XDefaultScreen(d)
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val w = XCreateSimpleWindow(d, XRootWindow(d, s), 10, 10, 160, 160, 1,
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XBlackPixel(d, s), XWhitePixel(d, s))
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XSelectInput(d, w, ExposureMask or KeyPressMask)
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XMapWindow(d, w)
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val e = nativeHeap.alloc<XEvent>()
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while (true) {
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XNextEvent(d, e.ptr)
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if (e.type == Expose) {
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XFillRectangle(d, w, XDefaultGC(d, s), 55, 40, 50, 50)
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XDrawString(d, w, XDefaultGC(d, s), 45, 120, msg, msg.length)
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}
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else if (e.type == KeyPress) break
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}
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XCloseDisplay(d)
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nativeHeap.free(e)
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}
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