95 lines
1.9 KiB
Go
95 lines
1.9 KiB
Go
package main
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import (
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"os"
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"git.kirsle.net/go/render"
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"git.kirsle.net/go/render/event"
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"git.kirsle.net/go/render/sdl"
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"git.kirsle.net/go/ui"
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)
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// Program globals.
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var (
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// Size of the MainWindow.
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Width = 1024
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Height = 768
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// Cascade offset for creating multiple windows.
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Cascade = render.NewPoint(10, 10)
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CascadeStep = render.NewPoint(24, 24)
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)
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func init() {
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sdl.DefaultFontFilename = "../DejaVuSans.ttf"
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}
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func main() {
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mw, err := ui.NewMainWindow("Hello World", Width, Height)
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if err != nil {
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panic(err)
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}
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// Add some windows to play with.
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addWindow(mw, "First window")
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addWindow(mw, "Second window")
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mw.SetBackground(render.White)
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mw.OnLoop(func(e *event.State) {
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if e.Escape {
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os.Exit(0)
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}
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})
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mw.MainLoop()
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}
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// Add a new child window.
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func addWindow(mw *ui.MainWindow, title string) {
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win1 := ui.NewWindow(title)
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win1.Configure(ui.Config{
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Width: 640,
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Height: 480,
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})
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win1.Compute(mw.Engine)
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win1.Supervise(mw.Supervisor())
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// Attach it to the MainWindow with no placement management, i.e.
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// instead of Pack() or Place(). Since draggable windows set their own
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// position, a position manager would only interfere and "snap" the
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// window back into place as soon as you drop the title bar!
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// mw.Attach(win1)
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// Default placement via cascade.
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win1.MoveTo(Cascade)
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Cascade.Add(CascadeStep)
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// Add a button to the window.
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// btn := ui.NewButton("Button1", ui.NewLabel(ui.Label{
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// Text: "Click me!",
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// }))
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// btn.Handle(ui.Click, func(ed ui.EventData) {
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// fmt.Printf("Window '%s' button clicked!\n", title)
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// })
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// mw.Add(btn)
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// win1.Place(btn, ui.Place{
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// Top: 10,
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// Left: 10,
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// })
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// Add a window duplicator button.
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btn2 := ui.NewButton(title+":Button2", ui.NewLabel(ui.Label{
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Text: "New Window",
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}))
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btn2.Handle(ui.Click, func(ed ui.EventData) error {
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addWindow(mw, "New Window")
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return nil
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})
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mw.Add(btn2)
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win1.Place(btn2, ui.Place{
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Top: 10,
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Right: 10,
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})
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}
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