55 lines
1.5 KiB
Nim
55 lines
1.5 KiB
Nim
# nim c button.nim
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import gintro/[gtk, glib, gobject, gio, cairo]
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from math import Tau
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type
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ColorPicker = ref object of Button
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c: array[4, float]
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proc newColorPicker(c: array[4, float]): ColorPicker =
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result = newButton(ColorPicker)
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result.c = c
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proc buttonClicked (button: ColorPicker) =
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#button.label = utf8Strreverse(button.label, -1)
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echo "clicked"
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proc draw(b: ColorPicker; cr: cairo.Context): bool =
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echo "draw"
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let x = getAllocatedWidth(b).float / 2
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let y = getAllocatedHeight(b).float / 2
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cr.moveTo(x, y)
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cr.newPath
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cr.arc(x, y, 10, 0, math.Tau)
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cr.setSource(b.c)
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cr.setLineWidth(5)
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cr.stroke
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proc appActivate (app: Application) =
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let window = newApplicationWindow(app)
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window.title = "GNOME Button"
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window.defaultSize = (250, 50)
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let box = newBox(Orientation.horizontal, 0)
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var button = newColorPicker([1.0, 0, 0, 1])#newButton(ColorPicker)#"Click Me")
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box.add(button)
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button.connect("clicked", buttonClicked)
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button.connectAfter("draw", draw)
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button = newColorPicker([0.0, 0, 1, 1])#newButton(ColorPicker)#"Click Me")
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box.add(button)
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button.connect("clicked", buttonClicked)
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button.connectAfter("draw", draw)
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button = newColorPicker([0.0, 1, 0, 1])#newButton(ColorPicker)#"Click Me")
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box.add(button)
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button.connect("clicked", buttonClicked)
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button.connectAfter("draw", draw)
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window.add(box)
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window.showAll
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proc main =
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let app = newApplication("org.gtk.example")
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connect(app, "activate", appActivate)
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discard app.run
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main()
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