windowstatestore.cpp

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// SPDX-FileCopyrightText: 2026 Anne Jan Brouwer
// SPDX-License-Identifier: GPL-3.0-or-later
#include "windowstatestore.h"
#include "qtpasssettings.h"
 
#include <QCursor>
#include <QDialog>
#include <QGuiApplication>
#include <QScreen>
#include <QWidget>
 
namespace {

auto onWayland() -> bool {
  return QGuiApplication::platformName().startsWith(QLatin1String("wayland"));
}
 
} // namespace
 
namespace WindowStateStore {
 
auto restore(QWidget &window, const QString &key) -> bool {
  const QByteArray geometry = QtPassSettings::getDialogGeometry(key);
  if (!geometry.isEmpty() && window.restoreGeometry(geometry)) {
    return true;
  }
  centreOnCursorScreen(window);
  return false;
}
 
void save(const QWidget &window, const QString &key) {
  QtPassSettings::setDialogGeometry(key, window.saveGeometry());
}
 
void attach(QDialog &dialog, const QString &key) {
  restore(dialog, key);
  QObject::connect(&dialog, &QDialog::finished, &dialog,
                   [&dialog, key] { save(dialog, key); });
}
 
void centreOnCursorScreen(QWidget &window) {
  if (onWayland()) {
    return;
  }
  QScreen *screen = QGuiApplication::screenAt(QCursor::pos());
  if (screen == nullptr) {
    screen = QGuiApplication::primaryScreen();
  }
  if (screen == nullptr) {
    return;
  }
  QRect frame = window.frameGeometry();
  frame.moveCenter(screen->availableGeometry().center());
  window.move(frame.topLeft());
}
 
} // namespace WindowStateStore