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Improve tab completion system

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This commit is contained in:
Tulir Asokan
2018-04-21 19:41:19 +03:00
parent c3386ba118
commit d147fc7579
5 changed files with 154 additions and 57 deletions
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25
ui/widget/advanced-inputfield.go
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@ -84,7 +84,7 @@ type AdvancedInputField struct {
done func(tcell.Key)
// An optional function which is called when the user presses tab.
tabComplete func(text string, cursorOffset int) string
tabComplete func(text string, cursorOffset int)
}
// NewAdvancedInputField returns a new input field.
@ -107,6 +107,20 @@ func (field *AdvancedInputField) SetText(text string) *AdvancedInputField {
return field
}
// SetTextAndMoveCursor sets the current text of the input field and moves the cursor with the width difference.
func (field *AdvancedInputField) SetTextAndMoveCursor(text string) *AdvancedInputField {
oldWidth := runewidth.StringWidth(field.text)
field.text = text
newWidth := runewidth.StringWidth(field.text)
if oldWidth != newWidth {
field.cursorOffset += newWidth - oldWidth
}
if field.changed != nil {
field.changed(field.text)
}
return field
}
// GetText returns the current text of the input field.
func (field *AdvancedInputField) GetText() string {
return field.text
@ -212,7 +226,7 @@ func (field *AdvancedInputField) SetDoneFunc(handler func(key tcell.Key)) *Advan
return field
}
func (field *AdvancedInputField) SetTabCompleteFunc(handler func(text string, cursorOffset int) string) *AdvancedInputField {
func (field *AdvancedInputField) SetTabCompleteFunc(handler func(text string, cursorOffset int)) *AdvancedInputField {
field.tabComplete = handler
return field
}
@ -443,12 +457,7 @@ func (field *AdvancedInputField) RemovePreviousCharacter() {
func (field *AdvancedInputField) TriggerTabComplete() bool {
if field.tabComplete != nil {
oldWidth := runewidth.StringWidth(field.text)
field.text = field.tabComplete(field.text, field.cursorOffset)
newWidth := runewidth.StringWidth(field.text)
if oldWidth != newWidth {
field.cursorOffset += newWidth - oldWidth
}
field.tabComplete(field.text, field.cursorOffset)
return true
}
return false