Terminal-based user interface toolkit
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package main
import (
"code.rocketnine.space/tslocum/cview"
"github.com/gdamore/tcell/v2"
)
func demoBox(title string) *cview.Box {
b := cview.NewBox()
b.SetBorder(true)
b.SetTitle(title)
return b
}
// Flex demonstrates flexbox layout.
func Flex(nextSlide func()) (title string, info string, content cview.Primitive) {
modalShown := false
panels := cview.NewPanels()
textView := cview.NewTextView()
textView.SetBorder(true)
textView.SetTitle("Flexible width, twice of middle column")
textView.SetDoneFunc(func(key tcell.Key) {
if modalShown {
nextSlide()
modalShown = false
} else {
panels.ShowPanel("modal")
modalShown = true
}
})
subFlex := cview.NewFlex()
subFlex.SetDirection(cview.FlexRow)
subFlex.AddItem(demoBox("Flexible width"), 0, 1, false)
subFlex.AddItem(demoBox("Fixed height"), 15, 1, false)
subFlex.AddItem(demoBox("Flexible height"), 0, 1, false)
flex := cview.NewFlex()
flex.AddItem(textView, 0, 2, true)
flex.AddItem(subFlex, 0, 1, false)
flex.AddItem(demoBox("Fixed width"), 30, 1, false)
modal := cview.NewModal()
modal.SetText("Resize the window to see the effect of the flexbox parameters")
modal.AddButtons([]string{"Ok"})
modal.SetDoneFunc(func(buttonIndex int, buttonLabel string) {
panels.HidePanel("modal")
})
panels.AddPanel("flex", flex, true, true)
panels.AddPanel("modal", modal, false, false)
return "Flex", "", panels
}