64 lines
1.3 KiB
Go
64 lines
1.3 KiB
Go
package main
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import "os"
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import "image"
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import "bytes"
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import _ "image/png"
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import "github.com/jezek/xgbutil/gopher"
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import "tomo"
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import "tomo/nasin"
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import "tomo/popups"
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import "tomo/elements"
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func main () {
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nasin.Run(Application { })
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}
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type Application struct { }
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func (Application) Init () error {
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window, _ := nasin.NewWindow(tomo.Bounds(0, 0, 0, 0))
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window.SetTitle("Tomo Logo")
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file, err := os.Open("assets/banner.png")
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if err != nil { return err }
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logo, _, err := image.Decode(file)
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file.Close()
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if err != nil { return err }
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container := elements.NewVBox(elements.SpaceBoth)
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logoImage := elements.NewImage(logo)
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button := elements.NewButton("Show me a gopher instead")
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button.OnClick (func () {
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window.SetTitle("Not the Tomo Logo")
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container.DisownAll()
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gopher, _, err :=
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image.Decode(bytes.NewReader(gopher.GopherPng()))
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if err != nil { fatalError(window, err); return }
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container.AdoptExpand(elements.NewImage(gopher))
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})
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container.AdoptExpand(logoImage)
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container.Adopt(button)
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window.Adopt(container)
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button.Focus()
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window.OnClose(nasin.Stop)
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window.Show()
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return nil
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}
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func fatalError (window tomo.Window, err error) {
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popups.NewDialog (
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popups.DialogKindError,
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window,
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"Error",
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err.Error(),
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popups.Button {
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Name: "OK",
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OnPress: nasin.Stop,
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})
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}
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