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[CardSearch] Add card completion popups to chats and search fields (#7089)
* Add card completion popups to chats and search fields Completes @mention and [[card]] in chat, and card names in the deck editor, EDHREC, Archidekt, card art rules, and user card settings searches. Pops up a styled list with mana pips and a card image preview, flipping the list order when the popup opens above the text field. --------- Co-authored-by: Lukas Brübach <Bruebach.Lukas@bdosecurity.de>
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BruebachL
GitHub
parent
a0e76607b5
commit
83fd65b34b
25 changed files with 1526 additions and 290 deletions
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@ -1,135 +1,199 @@
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#include "line_edit_completer.h"
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#include <QAbstractItemView>
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#include <QCompleter>
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#include <QFocusEvent>
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#include <QScrollBar>
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#include <QStringListModel>
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#include <QTextCursor>
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#include <QWidget>
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#include <QKeyEvent>
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LineEditCompleter::LineEditCompleter(QWidget *parent) : LineEditUnfocusable(parent), c(nullptr)
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LineEditCompleter::LineEditCompleter(QWidget *parent) : LineEditUnfocusable(parent)
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{
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}
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void LineEditCompleter::addCompleter(QCompleter *c, CompleterTrigger trigger)
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{
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c->setWidget(this);
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c->setCompletionMode(QCompleter::PopupCompletion);
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c->setCaseSensitivity(Qt::CaseInsensitive);
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connect(c, qOverload<const QString &>(&QCompleter::activated), this,
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qOverload<const QString &>(&LineEditCompleter::insertCompletion));
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completers.append({c, trigger});
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}
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bool LineEditCompleter::hasVisibleCompleterPopup() const
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{
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for (const auto &info : completers) {
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if (info.completer->popup()->isVisible()) {
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return true;
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}
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}
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return false;
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}
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void LineEditCompleter::hideCompleterPopups()
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{
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for (const auto &info : completers) {
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info.completer->popup()->hide();
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}
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}
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void LineEditCompleter::focusOutEvent(QFocusEvent *e)
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{
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LineEditUnfocusable::focusOutEvent(e);
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if (c->popup()->isVisible()) {
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// Remove Popup
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c->popup()->hide();
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// Truncate the line to last space or whole string
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QString textValue = text();
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int lastIndex = textValue.length();
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int lastWordStartIndex = textValue.lastIndexOf(" ") + 1;
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int leftShift = qMin(lastIndex, lastWordStartIndex);
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setText(textValue.left(leftShift));
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// Insert highlighted line from popup
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insert(c->completionModel()->index(c->popup()->currentIndex().row(), 0).data().toString() + " ");
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// Set focus back to the textbox since tab was pressed
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setFocus();
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// Only commit the highlighted completion when focus moves away via Tab.
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// Other focus losses (e.g. the unfocus shortcut / Escape) must simply close
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// the popup without inserting anything.
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if (e->reason() != Qt::TabFocusReason) {
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hideCompleterPopups();
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return;
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}
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for (auto &info : completers) {
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if (!info.completer->popup()->isVisible()) {
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continue;
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}
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const QModelIndex currentIndex = info.completer->popup()->currentIndex();
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if (currentIndex.isValid()) {
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insertCompletion(info.completer, currentIndex.data().toString());
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}
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}
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hideCompleterPopups();
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}
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void LineEditCompleter::keyPressEvent(QKeyEvent *event)
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{
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switch (event->key()) {
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case Qt::Key_Return:
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case Qt::Key_Enter:
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case Qt::Key_Escape:
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if (c->popup()->isVisible()) {
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event->ignore();
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// Remove Popup
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c->popup()->hide();
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// Truncate the line to last space or whole string
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QString textValue = text();
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int lastIndexof = qMax(0, textValue.lastIndexOf(" "));
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QString finalString = textValue.left(lastIndexof);
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// Add a space if there's a word
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if (finalString != "") {
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finalString += " ";
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}
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setText(finalString);
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return;
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}
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break;
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case Qt::Key_Space:
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if (c->popup()->isVisible()) {
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event->ignore();
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// Remove Popup
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c->popup()->hide();
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// Truncate the line to last space or whole string
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QString textValue = text();
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int lastIndex = textValue.length();
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int lastWordStartIndex = textValue.lastIndexOf(" ") + 1;
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int leftShift = qMin(lastIndex, lastWordStartIndex);
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setText(textValue.left(leftShift));
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// Insert highlighted line from popup
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insert(c->completionModel()->index(c->popup()->currentIndex().row(), 0).data().toString() + " ");
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return;
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}
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break;
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default:
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break;
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}
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LineEditUnfocusable::keyPressEvent(event);
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// return if the completer is null or if the most recently typed char was '@'.
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// Only want the popup AFTER typing the first char of the mention.
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if (!c || text().right(1).contains("@")) {
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c->popup()->hide();
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if (event->key() == Qt::Key_Escape) {
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hideCompleterPopups();
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return;
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}
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// Set new completion prefix
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c->setCompletionPrefix(cursorWord(text()));
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if (c->completionPrefix().length() < 1) {
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c->popup()->hide();
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QString textValue = text();
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int cursorPos = cursorPosition();
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CompleterInfo *active = nullptr;
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QString prefix;
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for (auto &info : completers) {
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bool triggered = false;
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switch (info.trigger) {
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case CompleterTrigger::Mention: {
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int triggerPos = textValue.lastIndexOf("@", cursorPos - 1);
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if (triggerPos != -1 && (triggerPos == 0 || textValue[triggerPos - 1].isSpace())) {
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triggered = true;
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// Keep the "@" so the prefix matches the "@"-prefixed mention model entries.
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prefix = textValue.mid(triggerPos, cursorPos - triggerPos);
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}
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break;
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}
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case CompleterTrigger::Card: {
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int triggerPos = textValue.lastIndexOf("[[", cursorPos - 1);
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int closePos = textValue.indexOf("]]", triggerPos + 2);
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if (triggerPos != -1 && (closePos == -1 || closePos >= cursorPos)) {
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triggered = true;
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prefix = textValue.mid(triggerPos + 2, cursorPos - (triggerPos + 2));
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}
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break;
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}
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}
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if (triggered) {
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active = &info;
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break;
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}
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}
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if (!active) {
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for (auto &info : completers) {
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info.completer->popup()->hide();
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}
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return;
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}
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// Draw completion box
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QRect cr = cursorRect();
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cr.setWidth(c->popup()->sizeHintForColumn(0) + c->popup()->verticalScrollBar()->sizeHint().width());
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c->complete(cr);
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active->completer->setCompletionPrefix(prefix);
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// Select first item in the completion popup
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QItemSelectionModel *sm = new QItemSelectionModel(c->completionModel());
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c->popup()->setSelectionModel(sm);
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sm->select(c->completionModel()->index(0, 0), QItemSelectionModel::ClearAndSelect);
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sm->setCurrentIndex(c->completionModel()->index(0, 0), QItemSelectionModel::NoUpdate);
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}
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QString LineEditCompleter::cursorWord(const QString &line) const
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{
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return line.mid(line.left(cursorPosition()).lastIndexOf(" ") + 1,
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cursorPosition() - line.left(cursorPosition()).lastIndexOf(" ") - 1);
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}
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void LineEditCompleter::insertCompletion(QString arg)
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{
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QString s_arg = arg + " ";
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setText(text().replace(text().left(cursorPosition()).lastIndexOf(" ") + 1,
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cursorPosition() - text().left(cursorPosition()).lastIndexOf(" ") - 1, s_arg));
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}
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void LineEditCompleter::setCompleter(QCompleter *completer)
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{
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c = completer;
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c->setWidget(this);
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connect(c, qOverload<const QString &>(&QCompleter::activated), this, &LineEditCompleter::insertCompletion);
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}
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void LineEditCompleter::setCompletionList(QStringList completionList)
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{
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if (!c || c->popup()->isVisible()) {
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return;
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switch (active->trigger) {
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case CompleterTrigger::Card:
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emit cardPartialChanged(prefix);
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return;
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case CompleterTrigger::Mention:
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break;
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}
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QStringListModel *model;
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model = (QStringListModel *)(c->model());
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if (model == NULL) {
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model = new QStringListModel();
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}
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model->setStringList(completionList);
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active->completer->complete();
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}
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void LineEditCompleter::insertCompletion(const QString &completion)
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{
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for (auto &info : completers) {
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if (info.completer == sender()) {
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insertCompletion(info.completer, completion);
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return;
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}
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}
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}
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void LineEditCompleter::insertCompletion(QCompleter *completer, const QString &completion)
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{
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QString t = text();
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int pos = cursorPosition();
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for (const auto &info : completers) {
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if (info.completer != completer) {
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continue;
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}
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switch (info.trigger) {
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case CompleterTrigger::Card: {
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int triggerPos = t.lastIndexOf("[[", pos - 1);
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if (triggerPos == -1) {
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return;
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}
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// If an earlier "[[" is still open it also encloses the cursor, so
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// replace from its start. Otherwise completing in text such as
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// "[[Opt[[Amok" would leave a stray "[[" behind.
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int startPos = triggerPos;
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for (int searchFrom = triggerPos; searchFrom > 0;) {
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const int earlier = t.lastIndexOf("[[", searchFrom - 1);
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if (earlier == -1) {
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break;
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}
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const int earlierClose = t.indexOf("]]", earlier + 2);
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if (earlierClose != -1 && earlierClose < pos) {
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break;
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}
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startPos = earlier;
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searchFrom = earlier;
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}
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// If the cursor sits inside an already-closed [[...]] pair, replace
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// the whole construct instead of leaving a duplicate closing bracket
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// behind.
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int insertEnd = pos;
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const int closePos = t.indexOf("]]", startPos + 2);
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if (closePos != -1 && closePos >= pos) {
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insertEnd = closePos + 2;
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}
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QString after = t.mid(insertEnd);
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QString replaced = t.left(startPos + 2) + completion + "]] ";
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setText(replaced + after);
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setCursorPosition(replaced.length());
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return;
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}
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case CompleterTrigger::Mention: {
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int triggerPos = t.lastIndexOf("@", pos - 1);
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if (triggerPos == -1) {
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return;
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}
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setText(t.replace(triggerPos, pos - triggerPos, completion + " "));
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setCursorPosition(triggerPos + completion.length() + 1);
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return;
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}
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}
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}
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}
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