136 lines
2.9 KiB
Go
Executable File
136 lines
2.9 KiB
Go
Executable File
package ui
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import (
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"strings"
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"github.com/gdamore/tcell/v2"
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"github.com/mattn/go-runewidth"
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)
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type MessageDialogKind uint8
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const (
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MessageKindNormal MessageDialogKind = iota
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MessageKindWarning
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MessageKindError
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)
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// Index of messageDialogKindTitles is any MessageDialogKind.
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var messageDialogKindTitles [3]string = [3]string{
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"Message",
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"Warning!",
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"Error!",
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}
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type MessageDialog struct {
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Title string
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Kind MessageDialogKind
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Callback func(string)
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message string
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messageWrapped string
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x, y int
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width, height int
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focused bool
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theme *Theme
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buttons []*Button
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selectedIdx int
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}
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func NewMessageDialog(title string, message string, kind MessageDialogKind, options []string, theme *Theme, callback func(string)) *MessageDialog {
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if title == "" {
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title = messageDialogKindTitles[kind] // Use default title
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}
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if options == nil || len(options) == 0 {
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options = []string{"OK"}
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}
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dialog := MessageDialog{
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Title: title,
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Kind: kind,
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Callback: callback,
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theme: theme,
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}
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dialog.buttons = make([]*Button, len(options))
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for i := range options {
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dialog.buttons[i] = NewButton(options[i], theme, func() {
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if dialog.Callback != nil {
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dialog.Callback(dialog.buttons[dialog.selectedIdx].Text)
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}
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})
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}
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// Set the dialog's size to its minimum size
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dialog.SetSize(0, 0)
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dialog.SetMessage(message)
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return &dialog
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}
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func (d *MessageDialog) SetMessage(message string) {
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d.message = message
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d.messageWrapped = runewidth.Wrap(message, d.width-2)
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// Update height:
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_, minHeight := d.GetMinSize()
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d.height = Max(d.height, minHeight)
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}
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func (d *MessageDialog) Draw(s tcell.Screen) {
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DrawWindow(s, d.x, d.y, d.width, d.height, d.Title, d.theme)
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// DrawStr will handle '\n' characters and wrap for us.
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DrawStr(s, d.x+1, d.y+2, d.messageWrapped, d.theme.GetOrDefault("Window"))
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col := d.width // Start from the right side
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for i := range d.buttons {
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width, _ := d.buttons[i].GetSize()
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col -= width + 1 // Move left enough for each button (1 for padding)
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d.buttons[i].SetPos(d.x+col, d.y+d.height-2)
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d.buttons[i].Draw(s)
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}
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}
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func (d *MessageDialog) SetFocused(v bool) {
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d.focused = v
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d.buttons[d.selectedIdx].SetFocused(v)
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}
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func (d *MessageDialog) SetTheme(theme *Theme) {
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d.theme = theme
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for i := range d.buttons {
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d.buttons[i].SetTheme(theme)
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}
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}
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func (d *MessageDialog) GetPos() (int, int) {
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return d.x, d.y
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}
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func (d *MessageDialog) SetPos(x, y int) {
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d.x, d.y = x, y
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}
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func (d *MessageDialog) GetMinSize() (int, int) {
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lines := strings.Count(d.messageWrapped, "\n") + 1
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return Max(len(d.Title)+2, 30), 2 + lines + 2
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}
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func (d *MessageDialog) GetSize() (int, int) {
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return d.width, d.height
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}
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func (d *MessageDialog) SetSize(width, height int) {
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minWidth, minHeight := d.GetMinSize()
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d.width, d.height = Max(width, minWidth), Max(height, minHeight)
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}
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func (d *MessageDialog) HandleEvent(event tcell.Event) bool {
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return d.buttons[d.selectedIdx].HandleEvent(event)
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}
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