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exp/textinput: refactoring: better variable names

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This commit is contained in:
Hajime Hoshi 2024-12-26 19:03:43 +09:00
parent 38bff15e02
commit 25b575a7b5
1 changed files with 19 additions and 19 deletions
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36
exp/textinput/field.go
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@ -72,8 +72,8 @@ func isFieldFocused(f *Field) bool {
// For an actual usage, see the examples "textinput".
type Field struct {
text string
selectionStart int
selectionEnd int
selectionStartInBytes int
selectionEndInBytes int
ch chan State
end func()
@ -126,9 +126,9 @@ func (f *Field) HandleInput(x, y int) (handled bool, err error) {
}
handled = true
if state.Committed {
f.text = f.text[:f.selectionStart] + state.Text + f.text[f.selectionEnd:]
f.selectionStart += len(state.Text)
f.selectionEnd = f.selectionStart
f.text = f.text[:f.selectionStartInBytes] + state.Text + f.text[f.selectionEndInBytes:]
f.selectionStartInBytes += len(state.Text)
f.selectionEndInBytes = f.selectionStartInBytes
f.state = State{}
continue
}
@ -181,9 +181,9 @@ func (f *Field) cleanUp() {
return
}
if ok && state.Committed {
f.text = f.text[:f.selectionStart] + state.Text + f.text[f.selectionEnd:]
f.selectionStart += len(state.Text)
f.selectionEnd = f.selectionStart
f.text = f.text[:f.selectionStartInBytes] + state.Text + f.text[f.selectionEndInBytes:]
f.selectionStartInBytes += len(state.Text)
f.selectionEndInBytes = f.selectionStartInBytes
f.state = State{}
}
f.state = state
@ -201,14 +201,14 @@ func (f *Field) cleanUp() {
}
// Selection returns the current selection range in bytes.
func (f *Field) Selection() (start, end int) {
return f.selectionStart, f.selectionEnd
func (f *Field) Selection() (startInBytes, endInBytes int) {
return f.selectionStartInBytes, f.selectionEndInBytes
}
// CompositionSelection returns the current composition selection in bytes if a text is composited.
// If a text is not composited, this returns 0s and false.
// The returned values indicate relative positions in bytes where the current composition text's start is 0.
func (f *Field) CompositionSelection() (start, end int, ok bool) {
func (f *Field) CompositionSelection() (startInBytes, endInBytes int, ok bool) {
if f.IsFocused() && f.state.Text != "" {
return f.state.CompositionSelectionStartInBytes, f.state.CompositionSelectionEndInBytes, true
}
@ -216,10 +216,10 @@ func (f *Field) CompositionSelection() (start, end int, ok bool) {
}
// SetSelection sets the selection range.
func (f *Field) SetSelection(start, end int) {
func (f *Field) SetSelection(startInBytes, endInBytes int) {
f.cleanUp()
f.selectionStart = start
f.selectionEnd = end
f.selectionStartInBytes = startInBytes
f.selectionEndInBytes = endInBytes
}
// Text returns the current text.
@ -232,15 +232,15 @@ func (f *Field) Text() string {
// The returned value includes compositing texts.
func (f *Field) TextForRendering() string {
if f.IsFocused() && f.state.Text != "" {
return f.text[:f.selectionStart] + f.state.Text + f.text[f.selectionEnd:]
return f.text[:f.selectionStartInBytes] + f.state.Text + f.text[f.selectionEndInBytes:]
}
return f.text
}
// SetTextAndSelection sets the text and the selection range.
func (f *Field) SetTextAndSelection(text string, selectionStart, selectionEnd int) {
func (f *Field) SetTextAndSelection(text string, selectionStartInBytes, selectionEndInBytes int) {
f.cleanUp()
f.text = text
f.selectionStart = selectionStart
f.selectionEnd = selectionEnd
f.selectionStartInBytes = selectionStartInBytes
f.selectionEndInBytes = selectionEndInBytes
}