// Copyright (C) 2023-2024 Stdware Collections (https://www.github.com/stdware)
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// Copyright (C) 2021-2023 wangwenx190 (Yuhang Zhao)
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// SPDX-License-Identifier: Apache-2.0
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#ifndef WIN32WINDOWCONTEXT_P_H
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#define WIN32WINDOWCONTEXT_P_H
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//
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// W A R N I N G !!!
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// -----------------
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//
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// This file is not part of the QWindowKit API. It is used purely as an
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// implementation detail. This header file may change from version to
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// version without notice, or may even be removed.
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//
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#include <QWKCore/qwindowkit_windows.h>
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#include <QWKCore/private/abstractwindowcontext_p.h>
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namespace QWK {
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class Win32WindowContext : public AbstractWindowContext {
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Q_OBJECT
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public:
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Win32WindowContext();
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~Win32WindowContext() override;
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enum WindowPart {
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Outside,
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ClientArea,
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ChromeButton,
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ResizeBorder,
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FixedBorder,
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TitleBar,
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};
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Q_ENUM(WindowPart)
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QString key() const override;
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void virtual_hook(int id, void *data) override;
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QVariant windowAttribute(const QString &key) const override;
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protected:
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void winIdChanged(WId winId, WId oldWinId) override;
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bool windowAttributeChanged(const QString &key, const QVariant &attribute,
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const QVariant &oldAttribute) override;
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public:
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bool windowProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam, LRESULT *result);
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bool systemMenuHandler(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam,
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LRESULT *result);
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// In order to perfectly apply Windows 11 Snap Layout into the Qt window, we need to
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// intercept and emulate most of the mouse events, so that the processing logic
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// is quite complex. Simultaneously, in order to make the handling code of other
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// Windows messages clearer, we have separated them into this function.
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bool snapLayoutHandler(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam,
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LRESULT *result);
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bool customWindowHandler(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam,
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LRESULT *result);
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bool nonClientCalcSizeHandler(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam,
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LRESULT *result);
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protected:
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// The last hit test result, helpful to handle WM_MOUSEMOVE and WM_NCMOUSELEAVE.
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WindowPart lastHitTestResult = WindowPart::Outside;
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int lastHitTestResultRaw = HTNOWHERE;
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// Whether the last mouse leave message is blocked, mainly for handling the unexpected
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// WM_MOUSELEAVE.
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bool mouseLeaveBlocked = false;
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// For emulating traditional icon button behavior
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uint64_t iconButtonClickTime = 0;
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int iconButtonClickLevel = 0;
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};
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}
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#endif // WIN32WINDOWCONTEXT_P_H
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