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// Copyright 2021-2022 The Mumble Developers. All rights reserved.
// Use of this source code is governed by a BSD-style license
// that can be found in the LICENSE file at the root of the
// Mumble source tree or at <https://www.mumble.info/LICENSE>.
#include "QtWidgetUtils.h"
#include <QFontMetrics>
#include <QGuiApplication>
#include <QScreen>
#include <QTextCursor>
#include <QTextDocument>
#include <cstdint>
namespace Mumble {
namespace QtUtils {
QScreen *screenAt(QPoint point) {
#if QT_VERSION >= QT_VERSION_CHECK(5, 10, 0)
// screenAt was only introduced in Qt 5.10
return QGuiApplication::screenAt(point);
#else
for (QScreen *currentScreen : QGuiApplication::screens()) {
if (currentScreen->availableGeometry().contains(point)) {
return currentScreen;
}
}
return nullptr;
#endif
}
bool positionIsOnScreen(QPoint point) { return screenAt(point) != nullptr; }
void elideText(QTextDocument &doc, uint32_t width) {
if (doc.size().width() > width) {
// Elide text
QTextCursor cursor(&doc);
cursor.movePosition(QTextCursor::End);
const QString elidedPostfix = "...";
QFontMetrics metric(doc.defaultFont());
#if QT_VERSION >= QT_VERSION_CHECK(5, 11, 0)
uint32_t postfixWidth = metric.horizontalAdvance(elidedPostfix);
#else
uint32_t postfixWidth = metric.width(elidedPostfix);
#endif
while (doc.size().width() > std::max(width - postfixWidth, static_cast< uint32_t >(0))) {
cursor.deletePreviousChar();
doc.adjustSize();
}
cursor.insertText(elidedPostfix);
}
}
}; // namespace QtUtils
}; // namespace Mumble
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