240 lines
5.3 KiB
Go
240 lines
5.3 KiB
Go
package etk
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import (
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"image"
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"image/color"
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"sync"
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"code.rocket9labs.com/tslocum/etk/messeji"
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"github.com/hajimehoshi/ebiten/v2"
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"golang.org/x/image/font"
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)
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// Text is a text display widget.
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type Text struct {
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*Box
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field *messeji.TextField
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children []Widget
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}
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// NewText returns a new Text widget.
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func NewText(text string) *Text {
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f := newText()
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f.SetText(text)
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f.SetForegroundColor(Style.TextColorLight)
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f.SetHandleKeyboard(true)
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return &Text{
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Box: NewBox(),
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field: f,
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}
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}
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// SetRect sets the position and size of the widget.
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func (t *Text) SetRect(r image.Rectangle) {
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t.Lock()
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defer t.Unlock()
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t.rect = r
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t.field.SetRect(r)
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}
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// Foreground return the color of the text within the field.
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func (t *Text) Foreground() color.RGBA {
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t.Lock()
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defer t.Unlock()
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return t.field.ForegroundColor()
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}
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// SetForegroundColor sets the color of the text within the field.
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func (t *Text) SetForeground(c color.RGBA) {
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t.Lock()
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defer t.Unlock()
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t.field.SetForegroundColor(c)
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}
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// Focus returns the focus state of the widget.
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func (t *Text) Focus() bool {
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return false
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}
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// SetFocus sets the focus state of the widget.
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func (t *Text) SetFocus(focus bool) bool {
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return false
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}
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// SetScrollBarWidth sets the width of the scroll bar.
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func (t *Text) SetScrollBarWidth(width int) {
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t.Lock()
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defer t.Unlock()
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t.field.SetScrollBarWidth(width)
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}
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// SetScrollBarColors sets the color of the scroll bar area and handle.
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func (t *Text) SetScrollBarColors(area color.RGBA, handle color.RGBA) {
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t.Lock()
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defer t.Unlock()
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t.field.SetScrollBarColors(Style.ScrollAreaColor, Style.ScrollHandleColor)
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}
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// SetScrollBorderColor sets the color of the top, right, bottom and left border
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// of the scroll bar handle.
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func (t *Text) SetScrollBorderColors(top color.RGBA, right color.RGBA, bottom color.RGBA, left color.RGBA) {
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t.Lock()
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defer t.Unlock()
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t.field.SetScrollBorderColors(top, right, bottom, left)
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}
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// SetWordWrap sets a flag which, when enabled, causes text to wrap without breaking words.
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func (t *Text) SetWordWrap(wrap bool) {
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t.Lock()
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defer t.Unlock()
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t.field.SetWordWrap(wrap)
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}
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// SetHorizontal sets the horizontal alignment of the text within the field.
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func (t *Text) SetHorizontal(h Alignment) {
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t.Lock()
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defer t.Unlock()
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t.field.SetHorizontal(messeji.Alignment(h))
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}
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// SetVertical sets the vertical alignment of the text within the field.
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func (t *Text) SetVertical(h Alignment) {
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t.Lock()
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defer t.Unlock()
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t.field.SetVertical(messeji.Alignment(h))
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}
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// Write writes to the text buffer.
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func (t *Text) Write(p []byte) (n int, err error) {
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t.Lock()
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defer t.Unlock()
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return t.field.Write(p)
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}
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// Text returns the content of the text buffer.
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func (t *Text) Text() string {
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t.Lock()
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defer t.Unlock()
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return t.field.Text()
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}
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// SetText sets the text in the field.
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func (t *Text) SetText(text string) {
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t.Lock()
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defer t.Unlock()
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t.field.SetText(text)
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}
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// SetScrollBarVisible sets whether the scroll bar is visible on the screen.
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func (t *Text) SetScrollBarVisible(scrollVisible bool) {
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t.Lock()
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defer t.Unlock()
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t.field.SetScrollBarVisible(scrollVisible)
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}
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// SetAutoHideScrollBar sets whether the scroll bar is automatically hidden
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// when the entire text buffer is visible.
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func (t *Text) SetAutoHideScrollBar(autoHide bool) {
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t.Lock()
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defer t.Unlock()
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t.field.SetAutoHideScrollBar(autoHide)
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}
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// SetFont sets the font face of the text within the field.
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func (t *Text) SetFont(face font.Face, mutex *sync.Mutex) {
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t.Lock()
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defer t.Unlock()
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t.field.SetFont(face, mutex)
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}
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// Padding returns the amount of padding around the text within the field.
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func (t *Text) Padding() int {
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t.Lock()
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defer t.Unlock()
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return t.field.Padding()
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}
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// SetPadding sets the amount of padding around the text within the field.
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func (t *Text) SetPadding(padding int) {
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t.Lock()
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defer t.Unlock()
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t.field.SetPadding(padding)
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}
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// SetFollow sets whether the field should automatically scroll to the end when
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// content is added to the buffer.
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func (t *Text) SetFollow(follow bool) {
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t.Lock()
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defer t.Unlock()
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t.field.SetFollow(follow)
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}
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// SetSingleLine sets whether the field displays all text on a single line.
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// When enabled, the field scrolls horizontally. Otherwise, it scrolls vertically.
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func (t *Text) SetSingleLine(single bool) {
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t.Lock()
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defer t.Unlock()
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t.field.SetSingleLine(single)
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}
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// SetMask sets the rune used to mask the text buffer contents. Set to 0 to disable.
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func (t *Text) SetMask(r rune) {
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t.Lock()
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defer t.Unlock()
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t.field.SetMask(r)
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}
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// HandleKeyboard is called when a keyboard event occurs.
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func (t *Text) HandleKeyboard(key ebiten.Key, r rune) (handled bool, err error) {
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return t.field.HandleKeyboardEvent(key, r)
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}
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// HandleMouse is called when a mouse event occurs.
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func (t *Text) HandleMouse(cursor image.Point, pressed bool, clicked bool) (handled bool, err error) {
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return t.field.HandleMouseEvent(cursor, pressed, clicked)
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}
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// Draw draws the widget on the screen.
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func (t *Text) Draw(screen *ebiten.Image) error {
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t.field.Draw(screen)
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return nil
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}
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// Children returns the children of the widget.
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func (t *Text) Children() []Widget {
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t.Lock()
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defer t.Unlock()
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return t.children
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}
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// AddChild adds a child to the widget.
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func (t *Text) AddChild(w ...Widget) {
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t.Lock()
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defer t.Unlock()
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t.children = append(t.children, w...)
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}
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var _ Widget = &Text{}
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