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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
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commit
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25 changed files with 1526 additions and 290 deletions
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#include "card_completer_styler.h"
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#include "../cards/card_info_picture_enlarged_widget.h"
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#include "card_completer_delegate.h"
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#include "reversed_completer_model.h"
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#include <QAbstractItemModel>
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#include <QAbstractItemView>
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#include <QCompleter>
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#include <QEvent>
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#include <QKeyEvent>
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#include <QMouseEvent>
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#include <QPropertyAnimation>
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#include <QScreen>
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#include <QSize>
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#include <libcockatrice/card/card_info.h>
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#include <libcockatrice/card/database/card_database_manager.h>
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#include <libcockatrice/models/database/card/card_search_model.h>
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namespace
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{
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const QSize PreviewSize(300, 419);
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const int PreviewMargin = 16;
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const int FadeDuration = 120;
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} // namespace
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// ---------------------------------------------------------------------------
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void CardCompleterStyler::apply(QCompleter *completer)
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{
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if (!completer) {
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return;
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}
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// The styler lives as long as the completer
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new CardCompleterStyler(completer, completer);
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}
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// ---------------------------------------------------------------------------
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CardCompleterStyler::CardCompleterStyler(QCompleter *completer, QObject *parent)
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: QObject(parent), completer(completer), reversedModel(nullptr), preview(nullptr), above(false)
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{
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auto *popup = completer->popup();
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// Wrap the completer's model so its row order can be reversed when the
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// popup is shown above the text edit
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QAbstractItemModel *sourceModel = completer->model();
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reversedModel = new ReversedCompleterModel(completer);
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reversedModel->setSourceModel(sourceModel);
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completer->setModel(reversedModel);
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popup->setItemDelegate(new CardCompleterDelegate(popup));
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popup->viewport()->setMouseTracking(true);
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popup->installEventFilter(this);
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popup->viewport()->installEventFilter(this);
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connect(popup->selectionModel(), &QItemSelectionModel::currentRowChanged, this,
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&CardCompleterStyler::updatePreview);
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connect(completer, qOverload<const QString &>(&QCompleter::activated), this, &CardCompleterStyler::hidePreview);
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connect(completer->completionModel(), &QAbstractItemModel::modelReset, this,
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&CardCompleterStyler::onCompletionReset);
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}
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CardCompleterStyler::~CardCompleterStyler()
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{
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if (preview) {
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preview->deleteLater();
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}
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}
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// ---------------------------------------------------------------------------
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bool CardCompleterStyler::eventFilter(QObject *obj, QEvent *ev)
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{
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auto *popup = completer->popup();
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if (obj == popup->viewport()) {
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if (ev->type() == QEvent::MouseMove) {
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updatePreviewFromHover(static_cast<QMouseEvent *>(ev)->pos());
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}
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} else if (obj == popup) {
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switch (ev->type()) {
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case QEvent::Show:
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case QEvent::Move:
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case QEvent::Resize:
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updateOrientation();
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reposition();
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break;
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case QEvent::Hide:
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hidePreview();
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break;
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case QEvent::KeyPress:
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if (handlePopupKeyPress(static_cast<QKeyEvent *>(ev))) {
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return true;
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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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}
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return QObject::eventFilter(obj, ev);
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}
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// ---------------------------------------------------------------------------
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bool CardCompleterStyler::handlePopupKeyPress(QKeyEvent *event)
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{
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const int key = event->key();
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if (key != Qt::Key_Up && key != Qt::Key_Down) {
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return false;
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}
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if (!above) {
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return false;
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}
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auto *popup = completer->popup();
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const int rowCount = completer->completionModel()->rowCount();
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if (rowCount == 0) {
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return true;
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}
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// With the popup above the text edit the rows are shown in reverse order and
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// the closest match is in the bottom-most row. The up arrow then advances
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// through the list (towards its end at the top of the popup).
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const int currentRow = popup->currentIndex().row();
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const int step = (key == Qt::Key_Up) ? -1 : 1;
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const int newRow = qBound(0, currentRow + step, rowCount - 1);
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if (newRow != currentRow) {
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popup->setCurrentIndex(completer->completionModel()->index(newRow, completer->completionColumn()));
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}
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return true;
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}
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// ---------------------------------------------------------------------------
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void CardCompleterStyler::updateOrientation()
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{
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above = isPopupAboveWidget();
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reversedModel->setEnabled(above);
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}
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// ---------------------------------------------------------------------------
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void CardCompleterStyler::ensureClosestSelected()
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{
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auto *popup = completer->popup();
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auto *completionModel = completer->completionModel();
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const int rowCount = completionModel->rowCount();
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if (rowCount == 0) {
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return;
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}
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const int currentRow = popup->currentIndex().row();
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const int closestRow = rowCount - 1;
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if (currentRow != closestRow) {
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popup->setCurrentIndex(completionModel->index(closestRow, completer->completionColumn()));
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}
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}
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// ---------------------------------------------------------------------------
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void CardCompleterStyler::onCompletionReset()
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{
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if (above) {
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ensureClosestSelected();
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}
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}
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// ---------------------------------------------------------------------------
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bool CardCompleterStyler::isPopupAboveWidget() const
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{
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auto *popup = completer->popup();
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QWidget *widget = completer->widget();
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if (!widget || !popup->isVisible()) {
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return false;
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}
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const QPoint popupBottom = popup->mapToGlobal(QPoint(0, popup->height()));
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const QPoint fieldTop = widget->mapToGlobal(QPoint(0, 0));
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return popupBottom.y() <= fieldTop.y();
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}
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// ---------------------------------------------------------------------------
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void CardCompleterStyler::updatePreviewFromHover(const QPoint &pos)
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{
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const QModelIndex index = completer->popup()->indexAt(pos);
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// Hovering updates the preview but must not change the current completion
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if (index.isValid() && index != previewedIndex) {
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updatePreview(index);
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}
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}
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// ---------------------------------------------------------------------------
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void CardCompleterStyler::updatePreview(const QModelIndex &index)
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{
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previewedIndex = index;
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if (!index.isValid()) {
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hidePreview();
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return;
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}
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auto card = index.data(CardSearchModel::CardInfoRole).value<QSharedPointer<CardInfo>>();
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if (!card) {
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hidePreview();
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return;
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}
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if (!preview) {
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QWidget *contextWindow = completer->widget() ? completer->widget()->window() : nullptr;
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preview = new CardInfoPictureEnlargedWidget(contextWindow);
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preview->hide();
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preview->setWindowOpacity(0.0);
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}
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const ExactCard exact = CardDatabaseManager::query()->getCard({card->getName()});
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if (!exact) {
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hidePreview();
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return;
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}
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preview->setCardPixmap(exact, PreviewSize);
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reposition();
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showPreview();
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}
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// ---------------------------------------------------------------------------
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void CardCompleterStyler::showPreview()
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{
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if (!preview) {
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return;
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}
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stopPreviewFade();
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preview->show();
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preview->raise();
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auto *fade = new QPropertyAnimation(preview, "windowOpacity", preview);
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fade->setDuration(FadeDuration);
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fade->setStartValue(preview->windowOpacity());
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fade->setEndValue(1.0);
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fade->start(QAbstractAnimation::DeleteWhenStopped);
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}
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// ---------------------------------------------------------------------------
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void CardCompleterStyler::hidePreview()
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{
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if (!preview) {
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return;
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}
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// Stop any in-flight fade first so a stale one cannot keep the preview visible
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stopPreviewFade();
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preview->hide();
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}
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// ---------------------------------------------------------------------------
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void CardCompleterStyler::stopPreviewFade()
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{
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if (!preview) {
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return;
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}
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const auto animations = preview->findChildren<QPropertyAnimation *>();
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for (auto *animation : animations) {
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animation->stop();
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}
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}
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// ---------------------------------------------------------------------------
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void CardCompleterStyler::reposition()
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{
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if (!preview) {
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return;
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}
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auto *popup = completer->popup();
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const QRect popupGlobalRect(popup->mapToGlobal(popup->rect().topLeft()), popup->rect().size());
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int anchorY;
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if (previewedIndex.isValid()) {
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const QRect itemRect = popup->visualRect(previewedIndex);
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const QPoint itemCenter = popup->viewport()->mapToGlobal(itemRect.center());
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anchorY = itemCenter.y();
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} else {
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anchorY = popupGlobalRect.center().y();
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}
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const QScreen *screen = popup->screen();
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const QRect screenGeom = screen ? screen->availableGeometry() : QRect();
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const int rightX = popupGlobalRect.right() + PreviewMargin;
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const int leftX = popupGlobalRect.left() - PreviewMargin - preview->width();
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int x;
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int y = anchorY - preview->height() / 2;
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if (screenGeom.isEmpty()) {
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x = rightX;
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} else if (rightX + preview->width() <= screenGeom.right()) {
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x = rightX;
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} else if (leftX >= screenGeom.left()) {
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x = leftX;
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} else {
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x = rightX;
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}
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if (!screenGeom.isEmpty()) {
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x = qBound(screenGeom.left(), x, qMax(screenGeom.left(), screenGeom.right() - preview->width()));
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y = qBound(screenGeom.top(), y, qMax(screenGeom.top(), screenGeom.bottom() - preview->height()));
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}
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preview->move(x, y);
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}
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