framelesshelper/src/core/utils.cpp

281 lines
9.4 KiB
C++

/*
* MIT License
*
* Copyright (C) 2022 by wangwenx190 (Yuhang Zhao)
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "utils.h"
#include <QtCore/qvariant.h>
#include <QtGui/qwindow.h>
#include <QtGui/qscreen.h>
#include <QtGui/qguiapplication.h>
#if (QT_VERSION >= QT_VERSION_CHECK(6, 2, 1))
# include <QtGui/qpa/qplatformtheme.h>
# include <QtGui/private/qguiapplication_p.h>
#endif
// The "Q_INIT_RESOURCE()" macro can't be used within a namespace,
// so we wrap it into a separate function outside of the namespace and
// then call it instead inside the namespace, that's also the recommended
// workaround provided by Qt's official documentation.
static inline void initResource()
{
Q_INIT_RESOURCE(framelesshelpercore);
}
FRAMELESSHELPER_BEGIN_NAMESPACE
using namespace Global;
FRAMELESSHELPER_STRING_CONSTANT2(ImageResourcePrefix, ":/org.wangwenx190.FramelessHelper/images")
FRAMELESSHELPER_STRING_CONSTANT2(SystemButtonImageResourceTemplate, "%1/%2/chrome-%3.svg")
FRAMELESSHELPER_STRING_CONSTANT(windowicon)
FRAMELESSHELPER_STRING_CONSTANT(help)
FRAMELESSHELPER_STRING_CONSTANT(minimize)
FRAMELESSHELPER_STRING_CONSTANT(maximize)
FRAMELESSHELPER_STRING_CONSTANT(restore)
FRAMELESSHELPER_STRING_CONSTANT(close)
FRAMELESSHELPER_STRING_CONSTANT(light)
FRAMELESSHELPER_STRING_CONSTANT(dark)
FRAMELESSHELPER_STRING_CONSTANT(highcontrast)
Qt::CursorShape Utils::calculateCursorShape(const QWindow *window, const QPoint &pos)
{
Q_ASSERT(window);
if (!window) {
return Qt::ArrowCursor;
}
if (window->visibility() != QWindow::Windowed) {
return Qt::ArrowCursor;
}
if (((pos.x() < kDefaultResizeBorderThickness) && (pos.y() < kDefaultResizeBorderThickness))
|| ((pos.x() >= (window->width() - kDefaultResizeBorderThickness)) && (pos.y() >= (window->height() - kDefaultResizeBorderThickness)))) {
return Qt::SizeFDiagCursor;
}
if (((pos.x() >= (window->width() - kDefaultResizeBorderThickness)) && (pos.y() < kDefaultResizeBorderThickness))
|| ((pos.x() < kDefaultResizeBorderThickness) && (pos.y() >= (window->height() - kDefaultResizeBorderThickness)))) {
return Qt::SizeBDiagCursor;
}
if ((pos.x() < kDefaultResizeBorderThickness) || (pos.x() >= (window->width() - kDefaultResizeBorderThickness))) {
return Qt::SizeHorCursor;
}
if ((pos.y() < kDefaultResizeBorderThickness) || (pos.y() >= (window->height() - kDefaultResizeBorderThickness))) {
return Qt::SizeVerCursor;
}
return Qt::ArrowCursor;
}
Qt::Edges Utils::calculateWindowEdges(const QWindow *window, const QPoint &pos)
{
Q_ASSERT(window);
if (!window) {
return {};
}
if (window->visibility() != QWindow::Windowed) {
return {};
}
Qt::Edges edges = {};
if (pos.x() < kDefaultResizeBorderThickness) {
edges |= Qt::LeftEdge;
}
if (pos.x() >= (window->width() - kDefaultResizeBorderThickness)) {
edges |= Qt::RightEdge;
}
if (pos.y() < kDefaultResizeBorderThickness) {
edges |= Qt::TopEdge;
}
if (pos.y() >= (window->height() - kDefaultResizeBorderThickness)) {
edges |= Qt::BottomEdge;
}
return edges;
}
QVariant Utils::getSystemButtonIconResource
(const SystemButtonType button, const SystemTheme theme, const ResourceType type)
{
const QString resourceUri = [button, theme]() -> QString {
const QString szButton = [button]() -> QString {
switch (button) {
case SystemButtonType::Unknown:
return {};
case SystemButtonType::WindowIcon:
return kwindowicon;
case SystemButtonType::Help:
return khelp;
case SystemButtonType::Minimize:
return kminimize;
case SystemButtonType::Maximize:
return kmaximize;
case SystemButtonType::Restore:
return krestore;
case SystemButtonType::Close:
return kclose;
}
return {};
}();
const QString szTheme = [theme]() -> QString {
switch (theme) {
case SystemTheme::Unknown:
return {};
case SystemTheme::Light:
return klight;
case SystemTheme::Dark:
return kdark;
case SystemTheme::HighContrast:
return khighcontrast;
}
return {};
}();
return kSystemButtonImageResourceTemplate.arg(kImageResourcePrefix, szTheme, szButton);
}();
initResource();
switch (type) {
case ResourceType::Image:
return QImage(resourceUri);
case ResourceType::Pixmap:
return QPixmap(resourceUri);
case ResourceType::Icon:
return QIcon(resourceUri);
}
return {};
}
QWindow *Utils::findWindow(const WId windowId)
{
Q_ASSERT(windowId);
if (!windowId) {
return nullptr;
}
const QWindowList windows = QGuiApplication::topLevelWindows();
if (windows.isEmpty()) {
return nullptr;
}
for (auto &&window : qAsConst(windows)) {
if (window && window->handle()) {
if (window->winId() == windowId) {
return window;
}
}
}
return nullptr;
}
void Utils::moveWindowToDesktopCenter(const GetWindowScreenCallback &getWindowScreen,
const GetWindowSizeCallback &getWindowSize,
const SetWindowPositionCallback &setWindowPosition,
const bool considerTaskBar)
{
Q_ASSERT(getWindowScreen);
Q_ASSERT(getWindowSize);
Q_ASSERT(setWindowPosition);
if (!getWindowScreen || !getWindowSize || !setWindowPosition) {
return;
}
const QSize windowSize = getWindowSize();
if (windowSize.isEmpty() || (windowSize == kDefaultWindowSize)) {
return;
}
const QScreen *screen = getWindowScreen();
if (!screen) {
screen = QGuiApplication::primaryScreen();
}
Q_ASSERT(screen);
if (!screen) {
return;
}
const QSize screenSize = (considerTaskBar ? screen->availableSize() : screen->size());
const QPoint offset = (considerTaskBar ? screen->availableGeometry().topLeft() : QPoint(0, 0));
const auto newX = static_cast<int>(qRound(qreal(screenSize.width() - windowSize.width()) / 2.0));
const auto newY = static_cast<int>(qRound(qreal(screenSize.height() - windowSize.height()) / 2.0));
setWindowPosition(QPoint(newX + offset.x(), newY + offset.y()));
}
Qt::WindowState Utils::windowStatesToWindowState(const Qt::WindowStates states)
{
if (states & Qt::WindowFullScreen) {
return Qt::WindowFullScreen;
}
if (states & Qt::WindowMaximized) {
return Qt::WindowMaximized;
}
if (states & Qt::WindowMinimized) {
return Qt::WindowMinimized;
}
return Qt::WindowNoState;
}
bool Utils::isThemeChangeEvent(const QEvent * const event)
{
Q_ASSERT(event);
if (!event) {
return false;
}
const QEvent::Type type = event->type();
return ((type == QEvent::ThemeChange) || (type == QEvent::ApplicationPaletteChange));
}
QColor Utils::calculateSystemButtonBackgroundColor(const SystemButtonType button, const ButtonState state)
{
if (state == ButtonState::Unspecified) {
return kDefaultTransparentColor;
}
const QColor result = [button]() -> QColor {
if (button == SystemButtonType::Close) {
return kDefaultSystemCloseButtonBackgroundColor;
}
if (isTitleBarColorized()) {
#ifdef Q_OS_WINDOWS
return getDwmColorizationColor();
#endif
#ifdef Q_OS_LINUX
return getWmThemeColor();
#endif
#ifdef Q_OS_MACOS
return getControlsAccentColor();
#endif
}
return kDefaultSystemButtonBackgroundColor;
}();
return ((state == ButtonState::Hovered) ? result.lighter(110) : result.lighter(105));
}
bool Utils::shouldAppsUseDarkMode()
{
#if (QT_VERSION >= QT_VERSION_CHECK(6, 2, 1))
if (const QPlatformTheme * const theme = QGuiApplicationPrivate::platformTheme()) {
return (theme->appearance() == QPlatformTheme::Appearance::Dark);
}
return false;
#else
# ifdef Q_OS_WINDOWS
return shouldAppsUseDarkMode_windows();
# elif defined(Q_OS_LINUX)
return shouldAppsUseDarkMode_linux();
# elif defined(Q_OS_MACOS)
return shouldAppsUseDarkMode_macos();
# else
return false;
# endif
#endif
}
FRAMELESSHELPER_END_NAMESPACE