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#include "SuggestionsPopup.hpp"
#include "Avatar.h"
#include "AvatarProvider.h"
#include "Config.h"
#include "DropShadow.h"
#include "Utils.h"
#include "timeline/TimelineViewManager.h"
#include <QDebug>
#include <QPaintEvent>
#include <QPainter>
#include <QStyleOption>
constexpr int PopupHMargin = 5;
constexpr int PopupItemMargin = 4;
PopupItem::PopupItem(QWidget *parent, const QString &user_id)
: QWidget(parent)
, avatar_{new Avatar(this)}
, user_id_{user_id}
, hovering_{false}
{
setMouseTracking(true);
setAttribute(Qt::WA_Hover);
topLayout_ = new QHBoxLayout(this);
topLayout_->setContentsMargins(
PopupHMargin, PopupItemMargin, PopupHMargin, PopupItemMargin);
QFont font;
font.setPixelSize(conf::popup::font);
auto displayName = TimelineViewManager::displayName(user_id);
avatar_->setSize(conf::popup::avatar);
avatar_->setLetter(utils::firstChar(displayName));
// If it's a matrix id we use the second letter.
if (displayName.size() > 1 && displayName.at(0) == '@')
avatar_->setLetter(QChar(displayName.at(1)));
userName_ = new QLabel(displayName, this);
userName_->setFont(font);
topLayout_->addWidget(avatar_);
topLayout_->addWidget(userName_, 1);
AvatarProvider::resolve(
user_id, this, [this](const QImage &img) { avatar_->setImage(img); });
}
void
PopupItem::paintEvent(QPaintEvent *)
{
QStyleOption opt;
opt.init(this);
QPainter p(this);
style()->drawPrimitive(QStyle::PE_Widget, &opt, &p, this);
if (underMouse() || hovering_)
p.fillRect(rect(), hoverColor_);
}
void
PopupItem::mousePressEvent(QMouseEvent *event)
{
if (event->buttons() != Qt::RightButton)
emit clicked(TimelineViewManager::displayName(user_id_));
QWidget::mousePressEvent(event);
}
SuggestionsPopup::SuggestionsPopup(QWidget *parent)
: QWidget(parent)
, tab_clicks_(0)
{
setAttribute(Qt::WA_ShowWithoutActivating, true);
setWindowFlags(Qt::ToolTip | Qt::NoDropShadowWindowHint);
layout_ = new QVBoxLayout(this);
layout_->setMargin(0);
layout_->setSpacing(0);
}
void
SuggestionsPopup::addUsers(const QVector<SearchResult> &users)
{
// Remove all items from the layout.
QLayoutItem *item;
while ((item = layout_->takeAt(0)) != 0) {
delete item->widget();
delete item;
}
if (users.isEmpty()) {
hide();
return;
}
for (const auto &u : users) {
auto user = new PopupItem(this, u.user_id);
layout_->addWidget(user);
connect(user, &PopupItem::clicked, this, &SuggestionsPopup::itemSelected);
}
tab_clicks_ = 0; // Reset to start from the beginning of pop-up window on next invocation.
resize(geometry().width(), 40 * users.size());
}
void
SuggestionsPopup::cycleThroughSuggestions()
{
tab_clicks_ %= layout_->count(); // Stay within the number of items in layout.
// Reset flag for hovering effect first.
for (int i = 0; i < layout_->count(); ++i) {
const auto &p = qobject_cast<PopupItem *>(layout_->itemAt(i)->widget());
p->setHovering(false);
}
const auto &item = layout_->itemAt(tab_clicks_);
const auto &widget = qobject_cast<PopupItem *>(item->widget());
widget->setHovering(true);
++tab_clicks_;
update(); // Request to update the paint event.
}
void
SuggestionsPopup::selectHoveredSuggestion()
{
// Each tab press increments the counter by one, so the element desired is one off.
const auto item = layout_->itemAt(tab_clicks_ - 1);
if (!item)
return;
const auto &widget = qobject_cast<PopupItem *>(item->widget());
emit itemSelected(TimelineViewManager::displayName(widget->user()));
tab_clicks_ = 0; // Reset to start from the beginning of pop-up window on next invocation.
}
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