Fix wide characters in input field and prepare for tab completion
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4196931e1b
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dacc7fd6a3
@ -75,9 +75,11 @@ type AdvancedInputField struct {
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changed func(text string)
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changed func(text string)
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// An optional function which is called when the user indicated that they
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// An optional function which is called when the user indicated that they
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// are done entering text. The key which was pressed is provided (tab,
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// are done entering text. The key which was pressed is provided (enter or escape).
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// shift-tab, enter, or escape).
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done func(tcell.Key)
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done func(tcell.Key)
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// An optional function which is called when the user presses tab.
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tabComplete func(text string, cursorOffset int)
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}
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}
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// NewAdvancedInputField returns a new input field.
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// NewAdvancedInputField returns a new input field.
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@ -198,13 +200,16 @@ func (field *AdvancedInputField) SetChangedFunc(handler func(text string)) *Adva
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//
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//
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// - KeyEnter: Done entering text.
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// - KeyEnter: Done entering text.
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// - KeyEscape: Abort text input.
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// - KeyEscape: Abort text input.
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// - KeyTab: Move to the next field.
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// - KeyBacktab: Move to the previous field.
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func (field *AdvancedInputField) SetDoneFunc(handler func(key tcell.Key)) *AdvancedInputField {
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func (field *AdvancedInputField) SetDoneFunc(handler func(key tcell.Key)) *AdvancedInputField {
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field.done = handler
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field.done = handler
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return field
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return field
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}
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}
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func (field *AdvancedInputField) SetTabCompleteFunc(handler func(text string, cursorOffset int)) *AdvancedInputField {
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field.tabComplete = handler
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return field
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}
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// SetFinishedFunc calls SetDoneFunc().
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// SetFinishedFunc calls SetDoneFunc().
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func (field *AdvancedInputField) SetFinishedFunc(handler func(key tcell.Key)) tview.FormItem {
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func (field *AdvancedInputField) SetFinishedFunc(handler func(key tcell.Key)) tview.FormItem {
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return field.SetDoneFunc(handler)
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return field.SetDoneFunc(handler)
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@ -331,6 +336,10 @@ var (
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firstWord = regexp.MustCompile(`^\s*\S+`)
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firstWord = regexp.MustCompile(`^\s*\S+`)
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)
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)
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func SubstringBefore(s string, w int) string {
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return runewidth.Truncate(s, w, "")
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}
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// InputHandler returns the handler for this primitive.
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// InputHandler returns the handler for this primitive.
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func (field *AdvancedInputField) InputHandler() func(event *tcell.EventKey, setFocus func(p tview.Primitive)) {
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func (field *AdvancedInputField) InputHandler() func(event *tcell.EventKey, setFocus func(p tview.Primitive)) {
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return field.WrapInputHandler(func(event *tcell.EventKey, setFocus func(p tview.Primitive)) {
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return field.WrapInputHandler(func(event *tcell.EventKey, setFocus func(p tview.Primitive)) {
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@ -353,57 +362,76 @@ func (field *AdvancedInputField) InputHandler() func(event *tcell.EventKey, setF
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// Process key event.
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// Process key event.
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switch key := event.Key(); key {
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switch key := event.Key(); key {
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case tcell.KeyRune: // Regular character.
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case tcell.KeyRune: // Regular character.
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runes := []rune(field.text)
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leftPart := SubstringBefore(field.text, field.cursorOffset)
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newText := string(runes[0:field.cursorOffset]) + string(event.Rune()) + string(runes[field.cursorOffset:])
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newText := leftPart + string(event.Rune()) + field.text[len(leftPart):]
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if field.accept != nil {
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if field.accept != nil {
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if !field.accept(newText, event.Rune()) {
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if !field.accept(newText, event.Rune()) {
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break
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break
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}
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}
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}
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}
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field.text = newText
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field.text = newText
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field.cursorOffset++
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field.cursorOffset += runewidth.RuneWidth(event.Rune())
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case tcell.KeyCtrlV:
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case tcell.KeyCtrlV:
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clip, _ := clipboard.ReadAll("clipboard")
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clip, _ := clipboard.ReadAll("clipboard")
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runes := []rune(field.text)
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leftPart := SubstringBefore(field.text, field.cursorOffset)
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field.text = string(runes[0:field.cursorOffset]) + clip + string(runes[field.cursorOffset:])
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field.text = leftPart + clip + field.text[len(leftPart):]
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field.cursorOffset += runewidth.StringWidth(clip)
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field.cursorOffset += runewidth.StringWidth(clip)
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case tcell.KeyLeft: // Move cursor left.
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case tcell.KeyLeft: // Move cursor left.
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before := SubstringBefore(field.text, field.cursorOffset)
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if event.Modifiers() == tcell.ModCtrl {
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if event.Modifiers() == tcell.ModCtrl {
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runes := []rune(field.text)
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found := lastWord.FindString(before)
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found := lastWord.FindString(string(runes[0:field.cursorOffset]))
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field.cursorOffset -= runewidth.StringWidth(found)
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field.cursorOffset -= runewidth.StringWidth(found)
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} else {
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} else if len(before) > 0 {
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field.cursorOffset--
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beforeRunes := []rune(before)
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char := beforeRunes[len(beforeRunes)-1]
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field.cursorOffset -= runewidth.RuneWidth(char)
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}
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}
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case tcell.KeyRight: // Move cursor right.
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case tcell.KeyRight: // Move cursor right.
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before := SubstringBefore(field.text, field.cursorOffset)
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after := field.text[len(before):]
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if event.Modifiers() == tcell.ModCtrl {
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if event.Modifiers() == tcell.ModCtrl {
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runes := []rune(field.text)
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found := firstWord.FindString(after)
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found := firstWord.FindString(string(runes[field.cursorOffset:]))
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field.cursorOffset += runewidth.StringWidth(found)
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field.cursorOffset += runewidth.StringWidth(found)
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} else {
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} else if len(after) > 0 {
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field.cursorOffset++
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char := []rune(after)[0]
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field.cursorOffset += runewidth.RuneWidth(char)
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}
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}
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case tcell.KeyDelete: // Delete next character.
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case tcell.KeyDelete: // Delete next character.
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if field.cursorOffset >= runewidth.StringWidth(field.text) {
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if field.cursorOffset >= runewidth.StringWidth(field.text) {
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break
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break
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}
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}
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runes := []rune(field.text)
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leftPart := SubstringBefore(field.text, field.cursorOffset)
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field.text = string(runes[0:field.cursorOffset]) + string(runes[field.cursorOffset + 1:])
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rightPart := field.text[len(leftPart):]
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rightPartRunes := []rune(rightPart)
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rightPartRunes = rightPartRunes[1:]
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rightPart = string(rightPartRunes)
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field.text = leftPart + rightPart
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case tcell.KeyBackspace, tcell.KeyBackspace2: // Delete last character.
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case tcell.KeyBackspace, tcell.KeyBackspace2: // Delete last character.
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if field.cursorOffset == 0 {
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if field.cursorOffset == 0 {
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break
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break
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}
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}
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runes := []rune(field.text)
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if key == tcell.KeyBackspace { // Ctrl+backspace
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if key == tcell.KeyBackspace { // Ctrl+backspace
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orig := string(runes[0:field.cursorOffset])
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leftPart := SubstringBefore(field.text, field.cursorOffset)
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replacement := lastWord.ReplaceAllString(orig, "")
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rightPart := field.text[len(leftPart):]
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field.text = replacement + string(runes[field.cursorOffset:])
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replacement := lastWord.ReplaceAllString(leftPart, "")
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field.cursorOffset -= runewidth.StringWidth(orig) - runewidth.StringWidth(replacement)
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field.text = replacement + rightPart
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field.cursorOffset -= runewidth.StringWidth(leftPart) - runewidth.StringWidth(replacement)
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} else { // Just backspace
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} else { // Just backspace
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field.text = string(runes[0:field.cursorOffset - 1]) + string(runes[field.cursorOffset:])
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leftPart := SubstringBefore(field.text, field.cursorOffset)
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field.cursorOffset--
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rightPart := field.text[len(leftPart):]
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leftPartRunes := []rune(leftPart)
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leftPartRunes = leftPartRunes[0 : len(leftPartRunes)-1]
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leftPart = string(leftPartRunes)
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removedChar := field.text[len(leftPart) : len(field.text)-len(rightPart)]
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field.text = leftPart + rightPart
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field.cursorOffset -= runewidth.StringWidth(removedChar)
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}
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}
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case tcell.KeyEnter, tcell.KeyTab, tcell.KeyBacktab, tcell.KeyEscape: // We're done.
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case tcell.KeyTab: // Tab-completion
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if field.tabComplete != nil {
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field.tabComplete(field.text, field.cursorOffset)
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}
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case tcell.KeyEnter, tcell.KeyEscape: // We're done.
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if field.done != nil {
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if field.done != nil {
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field.done(key)
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field.done(key)
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}
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}
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@ -45,12 +45,15 @@ type gomuks struct {
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config *Config
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config *Config
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}
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}
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var gdebug DebugPrinter
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func NewGomuks(debug bool) *gomuks {
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func NewGomuks(debug bool) *gomuks {
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configDir := filepath.Join(os.Getenv("HOME"), ".config/gomuks")
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configDir := filepath.Join(os.Getenv("HOME"), ".config/gomuks")
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gmx := &gomuks{
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gmx := &gomuks{
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app: tview.NewApplication(),
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app: tview.NewApplication(),
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}
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}
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gmx.debug = NewDebugPane(gmx)
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gmx.debug = NewDebugPane(gmx)
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gdebug = gmx.debug
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gmx.config = NewConfig(gmx, configDir)
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gmx.config = NewConfig(gmx, configDir)
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gmx.ui = NewGomuksUI(gmx)
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gmx.ui = NewGomuksUI(gmx)
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gmx.matrix = NewMatrixContainer(gmx)
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gmx.matrix = NewMatrixContainer(gmx)
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10
view-main.go
10
view-main.go
@ -65,11 +65,14 @@ func (ui *GomuksUI) NewMainView() tview.Primitive {
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mainView.roomList.
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mainView.roomList.
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ShowSecondaryText(false).
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ShowSecondaryText(false).
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SetSelectedBackgroundColor(tcell.ColorDarkGreen).
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SetSelectedTextColor(tcell.ColorWhite).
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SetBorderPadding(0, 0, 1, 0)
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SetBorderPadding(0, 0, 1, 0)
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mainView.input.
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mainView.input.
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SetDoneFunc(mainView.InputDone).
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SetDoneFunc(mainView.InputDone).
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SetChangedFunc(mainView.InputChanged).
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SetChangedFunc(mainView.InputChanged).
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SetTabCompleteFunc(mainView.InputTabComplete).
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SetFieldBackgroundColor(tcell.ColorDefault).
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SetFieldBackgroundColor(tcell.ColorDefault).
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SetPlaceholder("Send a message...").
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SetPlaceholder("Send a message...").
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SetPlaceholderExtColor(tcell.ColorGray).
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SetPlaceholderExtColor(tcell.ColorGray).
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@ -93,6 +96,13 @@ func (view *MainView) InputChanged(text string) {
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}
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}
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}
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}
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func (view *MainView) InputTabComplete(text string, cursorOffset int) {
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roomView, _ := view.rooms[view.CurrentRoomID()]
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if roomView != nil {
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// text[0:cursorOffset]
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}
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}
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func (view *MainView) InputDone(key tcell.Key) {
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func (view *MainView) InputDone(key tcell.Key) {
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if key == tcell.KeyEnter {
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if key == tcell.KeyEnter {
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room, text := view.CurrentRoomID(), view.input.GetText()
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room, text := view.CurrentRoomID(), view.input.GetText()
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