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tomo-old/popups/dialog.go
2023-04-18 13:14:10 -04:00

89 lines
2.2 KiB
Go

package popups
import "image"
import "git.tebibyte.media/sashakoshka/tomo"
import "git.tebibyte.media/sashakoshka/tomo/elements"
// DialogKind defines the semantic role of a dialog window.
type DialogKind int
const (
DialogKindInfo DialogKind = iota
DialogKindQuestion
DialogKindWarning
DialogKindError
)
// TODO: add ability to have an icon for buttons
// Button represents a dialog response button.
type Button struct {
// Name contains the text to display on the button.
Name string
// OnPress specifies a callback to run when the button is pressed. If
// this callback is nil, the button will appear disabled.
OnPress func ()
}
// NewDialog creates a new modal dialog window and returns it. If parent is nil,
// the dialog will just be a normal window
func NewDialog (
kind DialogKind,
parent tomo.Window,
title, message string,
buttons ...Button,
) (
window tomo.Window,
) {
if parent == nil {
window, _ = tomo.NewWindow(image.Rectangle { })
} else {
window, _ = parent.NewModal(image.Rectangle { })
}
window.SetTitle(title)
box := elements.NewVBox(elements.SpaceBoth)
messageRow := elements.NewHBox(elements.SpaceMargin)
controlRow := elements.NewHBox(elements.SpaceMargin)
iconId := tomo.IconInformation
switch kind {
case DialogKindInfo: iconId = tomo.IconInformation
case DialogKindQuestion: iconId = tomo.IconQuestion
case DialogKindWarning: iconId = tomo.IconWarning
case DialogKindError: iconId = tomo.IconError
}
messageRow.Adopt(elements.NewIcon(iconId, tomo.IconSizeLarge))
messageRow.AdoptExpand(elements.NewLabel(message))
controlRow.AdoptExpand(elements.NewSpacer())
box.AdoptExpand(messageRow)
box.Adopt(controlRow)
window.Adopt(box)
if len(buttons) == 0 {
button := elements.NewButton("OK")
button.SetIcon(tomo.IconYes)
button.OnClick(window.Close)
controlRow.Adopt(button)
button.Focus()
} else {
var button *elements.Button
for _, buttonDescriptor := range buttons {
button = elements.NewButton(buttonDescriptor.Name)
button.SetEnabled(buttonDescriptor.OnPress != nil)
button.OnClick (func () {
buttonDescriptor.OnPress()
window.Close()
})
controlRow.Adopt(button)
}
button.Focus()
}
window.Show()
return
}