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// Copyright (C) 2023 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#ifndef NATIVEWINDOW_H
#define NATIVEWINDOW_H
#if defined(Q_OS_MACOS)
# include <AppKit/AppKit.h>
# define VIEW_BASE NSView
#elif defined(Q_OS_IOS)
# include <UIKit/UIKit.h>
# define VIEW_BASE UIView
#elif defined(Q_OS_WIN)
# include <winuser.h>
#endif
class NativeWindow
{
Q_DISABLE_COPY(NativeWindow)
public:
NativeWindow();
~NativeWindow();
operator WId() const { return reinterpret_cast<WId>(m_handle); }
WId parentWinId() const;
void setGeometry(const QRect &rect);
QRect geometry() const;
private:
#if defined(Q_OS_MACOS) || defined(Q_OS_IOS)
VIEW_BASE *m_handle = nullptr;
#elif defined(Q_OS_WIN)
HWND m_handle = nullptr;
#endif
};
#if defined(Q_OS_MACOS) || defined(Q_OS_IOS)
@interface View : VIEW_BASE
@end
@implementation View
- (instancetype)init
{
if ((self = [super init])) {
#if defined(Q_OS_MACOS)
self.wantsLayer = YES;
#endif
self.layer.backgroundColor = CGColorCreateGenericRGB(1.0, 0.5, 1.0, 1.0);
}
return self;
}
- (void)dealloc
{
[super dealloc];
}
@end
NativeWindow::NativeWindow()
: m_handle([View new])
{
}
NativeWindow::~NativeWindow()
{
[m_handle release];
}
void NativeWindow::setGeometry(const QRect &rect)
{
m_handle.frame = QRectF(rect).toCGRect();
}
QRect NativeWindow::geometry() const
{
return QRectF::fromCGRect(m_handle.frame).toRect();
}
WId NativeWindow::parentWinId() const
{
return WId(m_handle.superview);
}
#elif defined(Q_OS_WIN)
NativeWindow::NativeWindow()
{
static const LPCWSTR className = []{
WNDCLASS wc = {};
wc.lpfnWndProc = DefWindowProc;
wc.hInstance = GetModuleHandle(nullptr);
wc.lpszClassName = L"Native Window";
wc.hbrBackground = CreateSolidBrush(RGB(255, 128, 255));
RegisterClass(&wc);
return wc.lpszClassName;
}();
m_handle = CreateWindowEx(0, className, nullptr, WS_POPUP,
CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
nullptr, nullptr, GetModuleHandle(nullptr), nullptr);
}
NativeWindow::~NativeWindow()
{
DestroyWindow(m_handle);
}
void NativeWindow::setGeometry(const QRect &rect)
{
MoveWindow(m_handle, rect.x(), rect.y(), rect.width(), rect.height(), false);
}
QRect NativeWindow::geometry() const
{
WINDOWPLACEMENT wp;
wp.length = sizeof(WINDOWPLACEMENT);
if (GetWindowPlacement(m_handle, &wp)) {
RECT r = wp.rcNormalPosition;
return QRect(r.left, r.top, r.right - r.left, r.bottom - r.top);
}
return {};
}
WId NativeWindow::parentWinId() const
{
return WId(GetAncestor(m_handle, GA_PARENT));
}
#endif
#endif // NATIVEWINDOW_H
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