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