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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QWINDOWSCONTEXT_H
#define QWINDOWSCONTEXT_H
#include "qtwindowsglobal.h"
#include <QtCore/qt_windows.h>
#include <QtCore/qscopedpointer.h>
#include <QtCore/qsharedpointer.h>
#include <QtCore/qloggingcategory.h>
#define STRICT_TYPED_ITEMIDS
#include <shlobj.h>
#include <shlwapi.h>
struct IBindCtx;
struct _SHSTOCKICONINFO;
QT_BEGIN_NAMESPACE
Q_DECLARE_LOGGING_CATEGORY(lcQpaWindows)
Q_DECLARE_LOGGING_CATEGORY(lcQpaEvents)
Q_DECLARE_LOGGING_CATEGORY(lcQpaGl)
Q_DECLARE_LOGGING_CATEGORY(lcQpaMime)
Q_DECLARE_LOGGING_CATEGORY(lcQpaInputMethods)
Q_DECLARE_LOGGING_CATEGORY(lcQpaDialogs)
Q_DECLARE_LOGGING_CATEGORY(lcQpaMenus)
Q_DECLARE_LOGGING_CATEGORY(lcQpaTablet)
Q_DECLARE_LOGGING_CATEGORY(lcQpaAccessibility)
Q_DECLARE_LOGGING_CATEGORY(lcQpaUiAutomation)
Q_DECLARE_LOGGING_CATEGORY(lcQpaTrayIcon)
class QWindow;
class QPlatformScreen;
class QPlatformWindow;
class QWindowsMenuBar;
class QWindowsScreenManager;
class QWindowsTabletSupport;
class QWindowsWindow;
class QWindowsMimeConverter;
struct QWindowCreationContext;
struct QWindowsContextPrivate;
class QPoint;
class QKeyEvent;
class QPointingDevice;
class QWindowsContext
{
Q_DISABLE_COPY_MOVE(QWindowsContext)
public:
using HandleBaseWindowHash = QHash<HWND, QWindowsWindow *>;
enum SystemInfoFlags
{
SI_RTL_Extensions = 0x1,
SI_SupportsTouch = 0x2,
SI_SupportsPointer = 0x4,
};
// Verbose flag set by environment variable QT_QPA_VERBOSE
static int verbose;
explicit QWindowsContext();
~QWindowsContext();
bool initTouch();
bool initTouch(unsigned integrationOptions); // For calls from QWindowsIntegration::QWindowsIntegration() only.
void registerTouchWindows();
bool initTablet();
bool initPointer(unsigned integrationOptions);
bool disposeTablet();
bool initPowerNotificationHandler();
int defaultDPI() const;
static QString classNamePrefix();
QString registerWindowClass(const QWindow *w);
QString registerWindowClass(QString cname, WNDPROC proc,
unsigned style = 0, HBRUSH brush = nullptr,
bool icon = false);
HWND createDummyWindow(const QString &classNameIn,
const wchar_t *windowName,
WNDPROC wndProc = nullptr, DWORD style = WS_OVERLAPPED);
HDC displayContext() const;
int screenDepth() const;
static QWindowsContext *instance();
static QString windowsErrorMessage(unsigned long errorCode);
void addWindow(HWND, QWindowsWindow *w);
void removeWindow(HWND);
QWindowsWindow *findClosestPlatformWindow(HWND) const;
QWindowsWindow *findPlatformWindow(HWND) const;
QWindowsWindow *findPlatformWindow(const QWindowsMenuBar *mb) const;
QWindow *findWindow(HWND) const;
QWindowsWindow *findPlatformWindowAt(HWND parent, const QPoint &screenPoint,
unsigned cwex_flags) const;
static bool shouldHaveNonClientDpiScaling(const QWindow *window);
QWindow *windowUnderMouse() const;
void clearWindowUnderMouse();
inline bool windowsProc(HWND hwnd, UINT message,
QtWindows::WindowsEventType et,
WPARAM wParam, LPARAM lParam, LRESULT *result,
QWindowsWindow **platformWindowPtr);
QWindow *keyGrabber() const;
void setKeyGrabber(QWindow *hwnd);
QSharedPointer<QWindowCreationContext> setWindowCreationContext(const QSharedPointer<QWindowCreationContext> &ctx);
QSharedPointer<QWindowCreationContext> windowCreationContext() const;
static void setTabletAbsoluteRange(int a);
void setProcessDpiAwareness(QtWindows::ProcessDpiAwareness dpiAwareness);
static int processDpiAwareness();
void setProcessDpiV2Awareness();
static bool isDarkMode();
void setDetectAltGrModifier(bool a);
// Returns a combination of SystemInfoFlags
unsigned systemInfo() const;
bool useRTLExtensions() const;
QList<int> possibleKeys(const QKeyEvent *e) const;
HandleBaseWindowHash &windows();
static bool isSessionLocked();
QWindowsMimeConverter &mimeConverter() const;
QWindowsScreenManager &screenManager();
QWindowsTabletSupport *tabletSupport() const;
static QByteArray comErrorString(HRESULT hr);
bool asyncExpose() const;
void setAsyncExpose(bool value);
static void forceNcCalcSize(HWND hwnd);
static bool systemParametersInfo(unsigned action, unsigned param, void *out, unsigned dpi = 0);
static bool systemParametersInfoForScreen(unsigned action, unsigned param, void *out,
const QPlatformScreen *screen = nullptr);
static bool systemParametersInfoForWindow(unsigned action, unsigned param, void *out,
const QPlatformWindow *win = nullptr);
static bool nonClientMetrics(NONCLIENTMETRICS *ncm, unsigned dpi = 0);
static bool nonClientMetricsForScreen(NONCLIENTMETRICS *ncm,
const QPlatformScreen *screen = nullptr);
static bool nonClientMetricsForWindow(NONCLIENTMETRICS *ncm,
const QPlatformWindow *win = nullptr);
static DWORD readAdvancedExplorerSettings(const wchar_t *subKey, DWORD defaultValue);
static bool filterNativeEvent(MSG *msg, LRESULT *result);
static bool filterNativeEvent(QWindow *window, MSG *msg, LRESULT *result);
private:
void handleFocusEvent(QtWindows::WindowsEventType et, QWindowsWindow *w);
#ifndef QT_NO_CONTEXTMENU
bool handleContextMenuEvent(QWindow *window, const MSG &msg);
#endif
void handleExitSizeMove(QWindow *window);
void unregisterWindowClasses();
QScopedPointer<QWindowsContextPrivate> d;
static QWindowsContext *m_instance;
};
extern "C" LRESULT QT_WIN_CALLBACK qWindowsWndProc(HWND, UINT, WPARAM, LPARAM);
QT_END_NAMESPACE
#endif // QWINDOWSCONTEXT_H
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