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@ -36,6 +36,9 @@ type Box struct {
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// The border style.
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borderStyle tcell.Style
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// The border focus style.
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borderFocusStyle tcell.Style
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// The title. Only visible if there is a border, too.
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title string
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@ -71,13 +74,14 @@ type Box struct {
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// NewBox returns a Box without a border.
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func NewBox() *Box {
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b := &Box{
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width: 15,
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height: 10,
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innerX: -1, // Mark as uninitialized.
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backgroundColor: Styles.PrimitiveBackgroundColor,
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borderStyle: tcell.StyleDefault.Foreground(Styles.BorderColor).Background(Styles.PrimitiveBackgroundColor),
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titleColor: Styles.TitleColor,
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titleAlign: AlignCenter,
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width: 15,
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height: 10,
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innerX: -1, // Mark as uninitialized.
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backgroundColor: Styles.PrimitiveBackgroundColor,
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borderStyle: tcell.StyleDefault.Foreground(Styles.BorderColor).Background(Styles.PrimitiveBackgroundColor),
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borderFocusStyle: tcell.StyleDefault.Foreground(Styles.BorderColor).Background(Styles.PrimitiveBackgroundColor),
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titleColor: Styles.TitleColor,
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titleAlign: AlignCenter,
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}
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return b
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}
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@ -253,10 +257,11 @@ func (b *Box) GetMouseCapture() func(action MouseAction, event *tcell.EventMouse
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func (b *Box) SetBackgroundColor(color tcell.Color) *Box {
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b.backgroundColor = color
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b.borderStyle = b.borderStyle.Background(color)
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b.borderFocusStyle = b.borderFocusStyle.Background(color)
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return b
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}
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// SetBorder sets the flag indicating whether or not the box should have a
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// SetBorder sets the flag indicating whether the box should have a
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// border.
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func (b *Box) SetBorder(show bool) *Box {
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b.border = show
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@ -290,6 +295,33 @@ func (b *Box) GetBorderColor() tcell.Color {
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return color
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}
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// SetBorderFocusColor sets the box's border focus color.
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func (b *Box) SetBorderFocusColor(color tcell.Color) *Box {
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b.borderFocusStyle = b.borderFocusStyle.Foreground(color)
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return b
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}
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// SetBorderFocusAttributes sets the border's focus style attributes. You can combine
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// different attributes using bitmask operations:
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//
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// box.SetBorderFocusAttributes(tcell.AttrUnderline | tcell.AttrBold)
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func (b *Box) SetBorderFocusAttributes(attr tcell.AttrMask) *Box {
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b.borderFocusStyle = b.borderFocusStyle.Attributes(attr)
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return b
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}
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// GetBorderFocusAttributes returns the border's focus style attributes.
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func (b *Box) GetBorderFocusAttributes() tcell.AttrMask {
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_, _, attr := b.borderFocusStyle.Decompose()
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return attr
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}
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// GetBorderFocusColor returns the box's border focus color.
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func (b *Box) GetBorderFocusColor() tcell.Color {
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color, _, _ := b.borderFocusStyle.Decompose()
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return color
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}
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// GetBackgroundColor returns the box's background color.
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func (b *Box) GetBackgroundColor() tcell.Color {
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return b.backgroundColor
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@ -351,7 +383,9 @@ func (b *Box) DrawForSubclass(screen tcell.Screen, p Primitive) {
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// Draw border.
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if b.border && b.width >= 2 && b.height >= 2 {
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var vertical, horizontal, topLeft, topRight, bottomLeft, bottomRight rune
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var borderStyle tcell.Style
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if p.HasFocus() {
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borderStyle = b.borderFocusStyle
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horizontal = Borders.HorizontalFocus
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vertical = Borders.VerticalFocus
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topLeft = Borders.TopLeftFocus
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@ -359,6 +393,7 @@ func (b *Box) DrawForSubclass(screen tcell.Screen, p Primitive) {
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bottomLeft = Borders.BottomLeftFocus
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bottomRight = Borders.BottomRightFocus
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} else {
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borderStyle = b.borderStyle
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horizontal = Borders.Horizontal
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vertical = Borders.Vertical
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topLeft = Borders.TopLeft
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@ -367,17 +402,17 @@ func (b *Box) DrawForSubclass(screen tcell.Screen, p Primitive) {
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bottomRight = Borders.BottomRight
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}
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for x := b.x + 1; x < b.x+b.width-1; x++ {
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screen.SetContent(x, b.y, horizontal, nil, b.borderStyle)
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screen.SetContent(x, b.y+b.height-1, horizontal, nil, b.borderStyle)
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screen.SetContent(x, b.y, horizontal, nil, borderStyle)
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screen.SetContent(x, b.y+b.height-1, horizontal, nil, borderStyle)
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}
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for y := b.y + 1; y < b.y+b.height-1; y++ {
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screen.SetContent(b.x, y, vertical, nil, b.borderStyle)
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screen.SetContent(b.x+b.width-1, y, vertical, nil, b.borderStyle)
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screen.SetContent(b.x, y, vertical, nil, borderStyle)
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screen.SetContent(b.x+b.width-1, y, vertical, nil, borderStyle)
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}
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screen.SetContent(b.x, b.y, topLeft, nil, b.borderStyle)
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screen.SetContent(b.x+b.width-1, b.y, topRight, nil, b.borderStyle)
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screen.SetContent(b.x, b.y+b.height-1, bottomLeft, nil, b.borderStyle)
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screen.SetContent(b.x+b.width-1, b.y+b.height-1, bottomRight, nil, b.borderStyle)
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screen.SetContent(b.x, b.y, topLeft, nil, borderStyle)
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screen.SetContent(b.x+b.width-1, b.y, topRight, nil, borderStyle)
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screen.SetContent(b.x, b.y+b.height-1, bottomLeft, nil, borderStyle)
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screen.SetContent(b.x+b.width-1, b.y+b.height-1, bottomRight, nil, borderStyle)
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// Draw title.
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if b.title != "" && b.width >= 4 {
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