Files
keepassxc/src/gui/osutils/winutils/WinUtils.cpp
2020-05-03 09:59:36 +02:00

91 lines
2.2 KiB
C++

/*
* Copyright (C) 2020 KeePassXC Team <team@keepassxc.org>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 or (at your option)
* version 3 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "WinUtils.h"
#include <QAbstractNativeEventFilter>
#include <QApplication>
#include <QSettings>
#include <windows.h>
QPointer<WinUtils> WinUtils::m_instance = nullptr;
QScopedPointer<WinUtils::DWMEventFilter> WinUtils::m_eventFilter;
WinUtils* WinUtils::instance()
{
if (!m_instance) {
m_instance = new WinUtils(qApp);
}
return m_instance;
}
WinUtils::WinUtils(QObject* parent)
: OSUtilsBase(parent)
{
}
WinUtils::~WinUtils()
{
}
/**
* Register event filters to handle native platform events such as theme changes.
*/
void WinUtils::registerEventFilters()
{
if (!m_eventFilter) {
m_eventFilter.reset(new DWMEventFilter);
qApp->installNativeEventFilter(m_eventFilter.data());
}
}
bool WinUtils::DWMEventFilter::nativeEventFilter(const QByteArray& eventType, void* message, long*)
{
if (eventType != "windows_generic_MSG") {
return false;
}
auto* msg = static_cast<MSG*>(message);
if (!msg->hwnd) {
return false;
}
switch (msg->message) {
case WM_CREATE:
case WM_INITDIALOG: {
if (winUtils()->isDarkMode()) {
// TODO: indicate dark mode support for black title bar
}
break;
}
}
return false;
}
bool WinUtils::isDarkMode()
{
QSettings settings(R"(HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Themes\Personalize)",
QSettings::NativeFormat);
return settings.value("AppsUseLightTheme", 1).toInt() == 0;
}
bool WinUtils::isCapslockEnabled()
{
return GetKeyState(VK_CAPITAL) == 1;
}