Add tab-completion for usernames

fixes #394
This commit is contained in:
Konstantinos Sideris 2018-07-29 21:58:18 +03:00
parent edf9f5242a
commit 6ffb747421
2 changed files with 49 additions and 11 deletions

View file

@ -107,7 +107,7 @@ FilteredTextEdit::showResults(const QVector<SearchResult> &results)
{
QPoint pos;
if (atTriggerPosition_ != -1) {
if (isAnchorValid()) {
auto cursor = textCursor();
cursor.setPosition(atTriggerPosition_);
pos = viewport()->mapToGlobal(cursorRect(cursor).topLeft());
@ -134,7 +134,7 @@ FilteredTextEdit::keyPressEvent(QKeyEvent *event)
}
// calculate the new query
if (textCursor().position() < atTriggerPosition_ || atTriggerPosition_ == -1) {
if (textCursor().position() < atTriggerPosition_ || !isAnchorValid()) {
resetAnchor();
closeSuggestions();
}
@ -165,9 +165,31 @@ FilteredTextEdit::keyPressEvent(QKeyEvent *event)
switch (event->key()) {
case Qt::Key_At:
atTriggerPosition_ = textCursor().position();
anchorType_ = AnchorType::Sigil;
QTextEdit::keyPressEvent(event);
break;
case Qt::Key_Tab: {
auto cursor = textCursor();
const int initialPos = cursor.position();
cursor.movePosition(QTextCursor::StartOfWord, QTextCursor::KeepAnchor);
auto word = cursor.selectedText();
const int startOfWord = cursor.position();
// There is a word to complete.
if (initialPos != startOfWord) {
atTriggerPosition_ = startOfWord;
anchorType_ = AnchorType::Tab;
emit showSuggestions(word);
} else {
QTextEdit::keyPressEvent(event);
}
break;
}
case Qt::Key_Return:
case Qt::Key_Enter:
if (!(event->modifiers() & Qt::ShiftModifier)) {
@ -213,26 +235,27 @@ FilteredTextEdit::keyPressEvent(QKeyEvent *event)
default:
QTextEdit::keyPressEvent(event);
// Check if the current word should be autocompleted.
auto cursor = textCursor();
cursor.movePosition(QTextCursor::StartOfWord, QTextCursor::KeepAnchor);
auto word = cursor.selectedText();
if (isModifier)
return;
if (cursor.position() == 0) {
if (textCursor().position() == 0) {
resetAnchor();
closeSuggestions();
return;
}
if (cursor.position() == atTriggerPosition_ + 1) {
const auto q = query();
// Check if the current word should be autocompleted.
auto cursor = textCursor();
cursor.movePosition(QTextCursor::StartOfWord, QTextCursor::KeepAnchor);
auto word = cursor.selectedText();
if (q.isEmpty()) {
if (hasAnchor(cursor.position(), anchorType_) && isAnchorValid()) {
if (word.isEmpty()) {
closeSuggestions();
return;
}
emit showSuggestions(query());
emit showSuggestions(word);
} else {
resetAnchor();
closeSuggestions();

View file

@ -94,8 +94,23 @@ private:
SuggestionsPopup popup_;
enum class AnchorType
{
Tab = 0,
Sigil = 1,
};
AnchorType anchorType_ = AnchorType::Sigil;
int anchorWidth(AnchorType anchor) { return static_cast<int>(anchor); }
void closeSuggestions() { popup_.hide(); }
void resetAnchor() { atTriggerPosition_ = -1; }
bool isAnchorValid() { return atTriggerPosition_ != -1; }
bool hasAnchor(int pos, AnchorType anchor)
{
return pos == atTriggerPosition_ + anchorWidth(anchor);
}
QString query()
{