@@ -740,6 +740,7 @@ HandleEditBoxResult QueryString::HandleE
break;
case WKC_BACKSPACE: case WKC_DELETE:
case WKC_CTRL | WKC_BACKSPACE: case WKC_CTRL | WKC_DELETE:
if (this->text.DeleteChar(keycode)) w->SetWidgetDirty(wid);
@@ -39,6 +39,29 @@ bool Textbuf::CanDelChar(bool backspace)
}
/**
* Get the next character that will be removed by DelChar.
* @param backspace if set, delete the character before the caret,
* otherwise, delete the character after it.
* @return the next character that will be removed by DelChar.
* @warning You should ensure Textbuf::CanDelChar returns true before calling this function.
*/
WChar Textbuf::GetNextDelChar(bool backspace)
{
assert(this->CanDelChar(backspace));
const char *s;
if (backspace) {
s = Utf8PrevChar(this->buf + this->caretpos);
} else {
s = this->buf + this->caretpos;
WChar c;
Utf8Decode(&c, s);
return c;
* Delete a character at the caret position in a text buf.
* else delete the character after it.
@@ -85,6 +108,35 @@ bool Textbuf::DeleteChar(int delmode)
return false;
if (delmode == (WKC_CTRL | WKC_BACKSPACE) || delmode == (WKC_CTRL | WKC_DELETE)) {
bool backspace = delmode == (WKC_CTRL | WKC_BACKSPACE);
if (!CanDelChar(backspace)) return false;
/* Unconditionally delete one char to the left. */
this->DelChar(backspace);
WChar c = this->GetNextDelChar(backspace);
/* Backspace: Delete left whitespaces.
* Delete: Delete right word.
while (backspace ? IsWhitespace(c) : !IsWhitespace(c)) {
if (!this->CanDelChar(backspace)) return true;
c = this->GetNextDelChar(backspace);
/* Backspace: Delete left word.
* Delete: Delete right whitespaces.
while (backspace ? !IsWhitespace(c) : IsWhitespace(c)) {
return true;
@@ -40,6 +40,7 @@ struct Textbuf {
private:
bool CanDelChar(bool backspace);
WChar GetNextDelChar(bool backspace);
void DelChar(bool backspace);
bool CanMoveCaretLeft();
WChar MoveCaretLeft();
Status change: