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#pragma once
#include <QWidget>
#include "CacheStructs.h"
#include "ChatPage.h"
#include "PopupItem.h"
class SuggestionsPopup : public QWidget
{
Q_OBJECT
public:
explicit SuggestionsPopup(QWidget *parent = nullptr);
template<class Item>
void selectHoveredSuggestion()
{
const auto item = layout_->itemAt(selectedItem_);
if (!item)
return;
const auto &widget = qobject_cast<Item *>(item->widget());
emit itemSelected(
cache::displayName(ChatPage::instance()->currentRoom(), widget->selectedText()));
resetSelection();
}
public slots:
void addUsers(const std::vector<SearchResult> &users);
void addRooms(const std::vector<RoomSearchResult> &rooms);
//! Move to the next available suggestion item.
void selectNextSuggestion();
//! Move to the previous available suggestion item.
void selectPreviousSuggestion();
//! Remove hovering from all items.
void resetHovering();
//! Set hovering to the item in the given layout position.
void setHovering(int pos);
protected:
void paintEvent(QPaintEvent *event) override;
signals:
void itemSelected(const QString &user);
private:
void hoverSelection();
void resetSelection() { selectedItem_ = -1; }
void selectFirstItem() { selectedItem_ = 0; }
void selectLastItem() { selectedItem_ = layout_->count() - 1; }
void removeLayoutItemsAfter(size_t startingPos)
{
size_t posToRemove = layout_->count() - 1;
QLayoutItem *item;
while (startingPos <= posToRemove &&
(item = layout_->takeAt(posToRemove)) != nullptr) {
delete item->widget();
delete item;
posToRemove = layout_->count() - 1;
}
}
QVBoxLayout *layout_;
//! Counter for tab completion (cycling).
int selectedItem_ = -1;
};
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