FluentUI/src/FramelessView_win.cpp
朱子楚\zhuzi 38f4ae92db update
2023-03-28 22:41:43 +08:00

269 lines
6.9 KiB
C++

#include "FramelessView.h"
#include <QGuiApplication>
#include <QQuickItem>
#include <QScreen>
#include <QWindow>
#include <FluTheme.h>
#include <QTimer>
#include <dwmapi.h>
#include <windowsx.h>
#pragma comment(lib, "Dwmapi.lib")
#pragma comment(lib, "User32.lib")
static bool isCompositionEnabled()
{
BOOL composition_enabled = FALSE;
bool success = ::DwmIsCompositionEnabled(&composition_enabled) == S_OK;
return composition_enabled && success;
}
static bool isMaxWin(QWindow* win)
{
return win->windowState() == Qt::WindowMaximized;
}
static bool isFullWin(QQuickView* win)
{
return win->windowState() == Qt::WindowFullScreen;
}
static bool isFixWin(QQuickView* win)
{
return win->minimumWidth() == win->maximumWidth() && win->minimumHeight() == win->maximumHeight();
}
static long hitTest(RECT winrect, long x, long y, int borderWidth)
{
if ((x >= winrect.left) && (x < winrect.left + borderWidth) && (y >= winrect.top) && (y < winrect.top + borderWidth))
{
return HTTOPLEFT;
}
else if (x < winrect.right && x >= winrect.right - borderWidth && y >= winrect.top && y < winrect.top + borderWidth)
{
return HTTOPRIGHT;
}
else if (x >= winrect.left && x < winrect.left + borderWidth && y < winrect.bottom && y >= winrect.bottom - borderWidth)
{
return HTBOTTOMLEFT;
}
else if (x < winrect.right && x >= winrect.right - borderWidth && y < winrect.bottom && y >= winrect.bottom - borderWidth)
{
return HTBOTTOMRIGHT;
}
else if (x >= winrect.left && x < winrect.left + borderWidth)
{
return HTLEFT;
}
else if (x < winrect.right && x >= winrect.right - borderWidth)
{
return HTRIGHT;
}
else if (y >= winrect.top && y < winrect.top + borderWidth)
{
return HTTOP;
}
else if (y < winrect.bottom && y >= winrect.bottom - borderWidth)
{
return HTBOTTOM;
}
else
{
return 0;
}
}
class FramelessViewPrivate
{
public:
bool m_isMax = false;
bool m_isFull = false;
bool m_deleteLater = false;
bool m_isFirst = true;
QQuickItem *m_titleItem = nullptr;
};
FramelessView::FramelessView(QWindow *parent) : Super(parent), d(new FramelessViewPrivate)
{
if(!isCompositionEnabled()){
FluTheme::getInstance()->frameless(false);
}
if(FluTheme::getInstance()->frameless()){
setFlag(Qt::FramelessWindowHint,true);
}
setResizeMode(SizeRootObjectToView);
setIsMax(windowState() == Qt::WindowMaximized);
setIsFull(windowState() == Qt::WindowFullScreen);
connect(this, &QWindow::windowStateChanged, this, [=](Qt::WindowState state) {
(void)state;
setIsMax(windowState() == Qt::WindowMaximized);
setIsFull(windowState() == Qt::WindowFullScreen);
});
connect(FluTheme::getInstance(),&FluTheme::framelessChanged,this,[=](){
setFlag(Qt::Window,false);
setFlag(Qt::Window,true);
});
}
FramelessView::~FramelessView()
{
delete d;
}
void FramelessView::showEvent(QShowEvent *e)
{
static const MARGINS shadow_state[2] { { 0, 0, 0, 0 }, { 1, 1, 1, 1 } };
::DwmExtendFrameIntoClientArea((HWND)(winId()), &shadow_state[true]);
if(FluTheme::getInstance()->frameless()){
setFlag(Qt::FramelessWindowHint,false);
}
Super::showEvent(e);
}
QRect FramelessView::calcCenterGeo(const QRect &screenGeo, const QSize &normalSize)
{
int w = normalSize.width();
int h = normalSize.height();
int x = screenGeo.x() + (screenGeo.width() - w) / 2;
int y = screenGeo.y() + (screenGeo.height() - h) / 2;
if (screenGeo.width() < w) {
x = screenGeo.x();
w = screenGeo.width();
}
if (screenGeo.height() < h) {
y = screenGeo.y();
h = screenGeo.height();
}
return { x, y, w, h };
}
void FramelessView::moveToScreenCenter()
{
auto geo = calcCenterGeo(screen()->availableGeometry(), size());
if (minimumWidth() > geo.width() || minimumHeight() > geo.height()) {
setMinimumSize(geo.size());
}
setGeometry(geo);
update();
}
void FramelessView::closeDeleteLater(){
d->m_deleteLater = true;
}
bool FramelessView::isMax() const
{
return d->m_isMax;
}
bool FramelessView::isFull() const
{
return d->m_isFull;
}
QQuickItem *FramelessView::titleItem() const
{
return d->m_titleItem;
}
void FramelessView::setIsMax(bool isMax)
{
if (d->m_isMax == isMax)
return;
d->m_isMax = isMax;
emit isMaxChanged(d->m_isMax);
}
void FramelessView::setIsFull(bool isFull)
{
if(d->m_isFull == isFull)
return;
d->m_isFull = isFull;
emit isFullChanged(d->m_isFull);
}
int count = 1;
void FramelessView::setTitleItem(QQuickItem *item)
{
d->m_titleItem = item;
}
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
bool FramelessView::nativeEvent(const QByteArray &eventType, void *message, qintptr *result)
#else
bool FramelessView::nativeEvent(const QByteArray &eventType, void *message, long *result)
#endif
{
MSG* msg = static_cast<MSG*>(message);
if (!msg || !msg->hwnd)
{
return false;
}
if (msg->message == WM_NCHITTEST && FluTheme::getInstance()->frameless())
{
RECT winrect;
GetWindowRect(HWND(winId()), &winrect);
long x = GET_X_LPARAM(msg->lParam);
long y = GET_Y_LPARAM(msg->lParam);
*result = 0;
if (!isMaxWin(this) && !isFullWin(this) && !isFixWin(this))
{
*result = hitTest(winrect, x, y, 4);
if (0 != *result)
{
return true;
}
}
}else if (msg->message == WM_NCCALCSIZE && FluTheme::getInstance()->frameless())
{
const auto mode = static_cast<BOOL>(msg->wParam);
const auto clientRect = mode ? &(reinterpret_cast<LPNCCALCSIZE_PARAMS>(msg->lParam)->rgrc[0]) : reinterpret_cast<LPRECT>(msg->lParam);
if (mode == TRUE)
{
*result = WVR_REDRAW;
if (!isMaxWin(this) && !isFullWin(this))
{
if (clientRect->top != 0)
{
clientRect->top -= 0.1;
}
}
else
{
if (clientRect->top != 0)
{
clientRect->top += 0.1;
}
}
return true;
}
}else if (msg->message == WM_WINDOWPOSCHANGING)
{
WINDOWPOS* wp = reinterpret_cast<WINDOWPOS*>(msg->lParam);
if (wp != nullptr && (wp->flags & SWP_NOSIZE) == 0)
{
wp->flags |= SWP_NOCOPYBITS;
*result = 0;
return true;
}
}
return Super::nativeEvent(eventType, message, result);
}
void FramelessView::resizeEvent(QResizeEvent *e)
{
Super::resizeEvent(e);
}
bool FramelessView::event(QEvent *ev)
{
if (ev->type() == QEvent::Close) {
if(d->m_deleteLater){
deleteLater();
ev->setAccepted(false);
}
}
return QQuickWindow::event(ev);
}