102 lines
2.9 KiB
Go
102 lines
2.9 KiB
Go
package objects
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import "image"
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import "git.tebibyte.media/tomo/tomo"
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import "git.tebibyte.media/tomo/tomo/event"
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import "git.tebibyte.media/tomo/objects/layouts"
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// DialogKind defines the semantic role of a dialog window.
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type DialogKind int; const (
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DialogInformation DialogKind = iota
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DialogQuestion
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DialogWarning
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DialogError
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)
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// Dialog is a modal dialog window.
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type Dialog struct {
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tomo.Window
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controlRow *Container
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}
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type clickable interface {
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OnClick (func ()) event.Cookie
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}
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// NewDialog creates a new dialog window given a dialog kind.
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func NewDialog (kind DialogKind, parent tomo.Window, title, message string, options ...tomo.Object) (*Dialog, error) {
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if title == "" {
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switch kind {
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case DialogInformation: title = "Information"
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case DialogQuestion: title = "Question"
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case DialogWarning: title = "Warning"
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case DialogError: title = "Error"
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}
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}
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dialog := &Dialog { }
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if parent == nil {
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window, err := tomo.NewWindow(image.Rectangle { })
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if err != nil { return nil, err }
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dialog.Window = window
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} else {
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window, err := parent.NewModal(image.Rectangle { })
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if err != nil { return nil, err }
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dialog.Window = window
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}
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var iconId tomo.Icon
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switch kind {
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case DialogInformation: iconId = tomo.IconDialogInformation
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case DialogQuestion: iconId = tomo.IconDialogQuestion
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case DialogWarning: iconId = tomo.IconDialogWarning
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case DialogError: iconId = tomo.IconDialogError
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}
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dialog.SetTitle(title)
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dialog.SetIcon(iconId)
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icon := NewIcon(iconId, tomo.IconSizeLarge)
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messageText := NewLabel(message)
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messageText.SetAlign(tomo.AlignStart, tomo.AlignMiddle)
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for _, option := range options {
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if option, ok := option.(clickable); ok {
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option.OnClick(dialog.Close)
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}
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}
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dialog.controlRow = NewInnerContainer(layouts.ContractHorizontal, options...)
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dialog.controlRow.SetAlign(tomo.AlignEnd, tomo.AlignEnd)
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dialog.SetRoot(NewOuterContainer (
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layouts.Column { true, false },
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NewInnerContainer(layouts.ContractHorizontal, icon, messageText),
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dialog.controlRow))
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return dialog, nil
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}
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// NewDialogOk creates a new dialog window with an OK option.
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func NewDialogOk (kind DialogKind, parent tomo.Window, title, message string, onOk func ()) (*Dialog, error) {
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okButton := NewButton("OK")
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okButton.SetIcon(tomo.IconDialogOkay)
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okButton.OnClick(func () {
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if onOk != nil { onOk() }
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})
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okButton.SetFocused(true)
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return NewDialog(kind, parent, title, message, okButton)
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}
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// NewDialogOkCancel creates a new dialog window with OK and Cancel options.
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func NewDialogOkCancel (kind DialogKind, parent tomo.Window, title, message string, onOk func ()) (*Dialog, error) {
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cancelButton := NewButton("Cancel")
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cancelButton.SetIcon(tomo.IconDialogCancel)
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okButton := NewButton("OK")
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okButton.SetIcon(tomo.IconDialogOkay)
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okButton.OnClick(func () {
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if onOk != nil { onOk() }
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})
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okButton.SetFocused(true)
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return NewDialog(kind, parent, title, message, cancelButton, okButton)
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}
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