qt6-bb10/src/plugins/platforms/windows/qwindowswindow.h

380 lines
13 KiB
C++

/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QWINDOWSWINDOW_H
#define QWINDOWSWINDOW_H
#include "qtwindows_additional.h"
#ifdef Q_OS_WINCE
# include "qplatformfunctions_wince.h"
#endif
#include "qwindowscursor.h"
#include <qpa/qplatformwindow.h>
#include <QtPlatformHeaders/qwindowswindowfunctions.h>
QT_BEGIN_NAMESPACE
class QWindowsOleDropTarget;
class QDebug;
struct QWindowsGeometryHint
{
QWindowsGeometryHint() {}
explicit QWindowsGeometryHint(const QWindow *w, const QMargins &customMargins);
static QMargins frame(DWORD style, DWORD exStyle);
static bool handleCalculateSize(const QMargins &customMargins, const MSG &msg, LRESULT *result);
#ifndef Q_OS_WINCE //MinMax maybe define struct if not available
void applyToMinMaxInfo(DWORD style, DWORD exStyle, MINMAXINFO *mmi) const;
void applyToMinMaxInfo(HWND hwnd, MINMAXINFO *mmi) const;
#endif
bool validSize(const QSize &s) const;
static inline QPoint mapToGlobal(HWND hwnd, const QPoint &);
static inline QPoint mapToGlobal(const QWindow *w, const QPoint &);
static inline QPoint mapFromGlobal(const HWND hwnd, const QPoint &);
static inline QPoint mapFromGlobal(const QWindow *w, const QPoint &);
static bool positionIncludesFrame(const QWindow *w);
QSize minimumSize;
QSize maximumSize;
QMargins customMargins;
};
struct QWindowCreationContext
{
QWindowCreationContext(const QWindow *w, const QRect &r,
const QMargins &customMargins,
DWORD style, DWORD exStyle);
#ifndef Q_OS_WINCE //MinMax maybe define struct if not available
void applyToMinMaxInfo(MINMAXINFO *mmi) const
{ geometryHint.applyToMinMaxInfo(style, exStyle, mmi); }
#endif
QWindowsGeometryHint geometryHint;
const QWindow *window;
DWORD style;
DWORD exStyle;
QRect requestedGeometry;
QRect obtainedGeometry;
QMargins margins;
QMargins customMargins; // User-defined, additional frame for WM_NCCALCSIZE
int frameX; // Passed on to CreateWindowEx(), including frame.
int frameY;
int frameWidth;
int frameHeight;
};
struct QWindowsWindowData
{
QWindowsWindowData() : hwnd(0), embedded(false) {}
Qt::WindowFlags flags;
QRect geometry;
QMargins frame; // Do not use directly for windows, see FrameDirty.
QMargins customMargins; // User-defined, additional frame for NCCALCSIZE
HWND hwnd;
bool embedded;
static QWindowsWindowData create(const QWindow *w,
const QWindowsWindowData &parameters,
const QString &title);
};
class QWindowsWindow : public QPlatformWindow
{
public:
enum Flags
{
AutoMouseCapture = 0x1, //! Automatic mouse capture on button press.
WithinSetParent = 0x2,
FrameDirty = 0x4, //! Frame outdated by setStyle, recalculate in next query.
OpenGLSurface = 0x10,
OpenGL_ES2 = 0x20,
OpenGLDoubleBuffered = 0x40,
OpenGlPixelFormatInitialized = 0x80,
BlockedByModal = 0x100,
SizeGripOperation = 0x200,
FrameStrutEventsEnabled = 0x400,
SynchronousGeometryChangeEvent = 0x800,
WithinSetStyle = 0x1000,
WithinDestroy = 0x2000,
TouchRegistered = 0x4000,
AlertState = 0x8000,
Exposed = 0x10000,
WithinCreate = 0x20000,
WithinMaximize = 0x40000,
MaximizeToFullScreen = 0x80000,
InputMethodDisabled = 0x100000,
Compositing = 0x200000
};
QWindowsWindow(QWindow *window, const QWindowsWindowData &data);
~QWindowsWindow();
using QPlatformWindow::screenForGeometry;
QSurfaceFormat format() const Q_DECL_OVERRIDE { return m_format; }
void setGeometry(const QRect &rect) Q_DECL_OVERRIDE;
QRect geometry() const Q_DECL_OVERRIDE { return m_data.geometry; }
QRect normalGeometry() const Q_DECL_OVERRIDE;
void setVisible(bool visible) Q_DECL_OVERRIDE;
bool isVisible() const;
bool isExposed() const Q_DECL_OVERRIDE { return testFlag(Exposed); }
bool isActive() const Q_DECL_OVERRIDE;
bool isEmbedded(const QPlatformWindow *parentWindow = 0) const Q_DECL_OVERRIDE;
QPoint mapToGlobal(const QPoint &pos) const Q_DECL_OVERRIDE;
QPoint mapFromGlobal(const QPoint &pos) const Q_DECL_OVERRIDE;
void setWindowFlags(Qt::WindowFlags flags) Q_DECL_OVERRIDE;
void setWindowState(Qt::WindowState state) Q_DECL_OVERRIDE;
HWND handle() const { return m_data.hwnd; }
WId winId() const Q_DECL_OVERRIDE { return WId(m_data.hwnd); }
void setParent(const QPlatformWindow *window) Q_DECL_OVERRIDE;
void setWindowTitle(const QString &title) Q_DECL_OVERRIDE;
void raise() Q_DECL_OVERRIDE;
void lower() Q_DECL_OVERRIDE;
void windowEvent(QEvent *event);
void propagateSizeHints() Q_DECL_OVERRIDE;
static bool handleGeometryChangingMessage(MSG *message, const QWindow *qWindow, const QMargins &marginsDp);
bool handleGeometryChanging(MSG *message) const;
QMargins frameMargins() const Q_DECL_OVERRIDE;
void setOpacity(qreal level) Q_DECL_OVERRIDE;
void setMask(const QRegion &region) Q_DECL_OVERRIDE;
qreal opacity() const { return m_opacity; }
void requestActivateWindow() Q_DECL_OVERRIDE;
bool setKeyboardGrabEnabled(bool grab) Q_DECL_OVERRIDE;
bool setMouseGrabEnabled(bool grab) Q_DECL_OVERRIDE;
inline bool hasMouseCapture() const { return GetCapture() == m_data.hwnd; }
bool startSystemResize(const QPoint &pos, Qt::Corner corner) Q_DECL_OVERRIDE;
void setFrameStrutEventsEnabled(bool enabled);
bool frameStrutEventsEnabled() const { return testFlag(FrameStrutEventsEnabled); }
QMargins customMargins() const { return m_data.customMargins; }
void setCustomMargins(const QMargins &m);
inline unsigned style() const
{ return GetWindowLongPtr(m_data.hwnd, GWL_STYLE); }
void setStyle(unsigned s) const;
inline unsigned exStyle() const
{ return GetWindowLongPtr(m_data.hwnd, GWL_EXSTYLE); }
void setExStyle(unsigned s) const;
bool handleWmPaint(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam);
void handleMoved();
void handleResized(int wParam);
void handleHidden();
void handleCompositionSettingsChanged();
static inline HWND handleOf(const QWindow *w);
static inline QWindowsWindow *baseWindowOf(const QWindow *w);
static QWindow *topLevelOf(QWindow *w);
static inline void *userDataOf(HWND hwnd);
static inline void setUserDataOf(HWND hwnd, void *ud);
static bool setWindowLayered(HWND hwnd, Qt::WindowFlags flags, bool hasAlpha, qreal opacity);
bool isLayered() const;
HDC getDC();
void releaseDC();
#ifndef Q_OS_WINCE // maybe available on some SDKs revisit WM_GETMINMAXINFO
void getSizeHints(MINMAXINFO *mmi) const;
bool handleNonClientHitTest(const QPoint &globalPos, LRESULT *result) const;
#endif // !Q_OS_WINCE
#ifndef QT_NO_CURSOR
CursorHandlePtr cursor() const { return m_cursor; }
#endif
void setCursor(const CursorHandlePtr &c);
void applyCursor();
inline bool testFlag(unsigned f) const { return (m_flags & f) != 0; }
inline void setFlag(unsigned f) const { m_flags |= f; }
inline void clearFlag(unsigned f) const { m_flags &= ~f; }
void setEnabled(bool enabled);
bool isEnabled() const;
void setWindowIcon(const QIcon &icon);
void *surface(void *nativeConfig, int *err);
void invalidateSurface() Q_DECL_OVERRIDE;
void aboutToMakeCurrent();
#ifndef Q_OS_WINCE
void setAlertState(bool enabled);
bool isAlertState() const { return testFlag(AlertState); }
void alertWindow(int durationMs = 0);
void stopAlertWindow();
#endif
static void setTouchWindowTouchTypeStatic(QWindow *window, QWindowsWindowFunctions::TouchWindowTouchTypes touchTypes);
void registerTouchWindow(QWindowsWindowFunctions::TouchWindowTouchTypes touchTypes = QWindowsWindowFunctions::NormalTouch);
private:
inline void show_sys() const;
inline void hide_sys() const;
inline void setGeometry_sys(const QRect &rect) const;
inline QRect frameGeometry_sys() const;
inline QRect geometry_sys() const;
inline QWindowsWindowData setWindowFlags_sys(Qt::WindowFlags wt, unsigned flags = 0) const;
inline bool isFullScreen_sys() const;
inline void setWindowState_sys(Qt::WindowState newState);
inline void setParent_sys(const QPlatformWindow *parent);
inline void updateTransientParent() const;
void destroyWindow();
inline bool isDropSiteEnabled() const { return m_dropTarget != 0; }
void setDropSiteEnabled(bool enabled);
void updateDropSite(bool topLevel);
void handleGeometryChange();
void handleWindowStateChange(Qt::WindowState state);
inline void destroyIcon();
void fireExpose(const QRegion &region, bool force=false);
mutable QWindowsWindowData m_data;
mutable unsigned m_flags;
HDC m_hdc;
Qt::WindowState m_windowState;
qreal m_opacity;
#ifndef QT_NO_CURSOR
CursorHandlePtr m_cursor;
#endif
QWindowsOleDropTarget *m_dropTarget;
unsigned m_savedStyle;
QRect m_savedFrameGeometry;
const QSurfaceFormat m_format;
#ifdef Q_OS_WINCE
bool m_previouslyHidden;
#endif
HICON m_iconSmall;
HICON m_iconBig;
void *m_surface;
};
#ifndef QT_NO_DEBUG_STREAM
QDebug operator<<(QDebug d, const RECT &r);
QDebug operator<<(QDebug d, const POINT &);
# ifndef Q_OS_WINCE
QDebug operator<<(QDebug d, const MINMAXINFO &i);
QDebug operator<<(QDebug d, const NCCALCSIZE_PARAMS &p);
QDebug operator<<(QDebug d, const WINDOWPLACEMENT &);
# endif // !Q_OS_WINCE
#endif // !QT_NO_DEBUG_STREAM
// ---------- QWindowsGeometryHint inline functions.
QPoint QWindowsGeometryHint::mapToGlobal(HWND hwnd, const QPoint &qp)
{
POINT p = { qp.x(), qp.y() };
ClientToScreen(hwnd, &p);
return QPoint(p.x, p.y);
}
QPoint QWindowsGeometryHint::mapFromGlobal(const HWND hwnd, const QPoint &qp)
{
POINT p = { qp.x(), qp.y() };
ScreenToClient(hwnd, &p);
return QPoint(p.x, p.y);
}
QPoint QWindowsGeometryHint::mapToGlobal(const QWindow *w, const QPoint &p)
{ return QWindowsGeometryHint::mapToGlobal(QWindowsWindow::handleOf(w), p); }
QPoint QWindowsGeometryHint::mapFromGlobal(const QWindow *w, const QPoint &p)
{ return QWindowsGeometryHint::mapFromGlobal(QWindowsWindow::handleOf(w), p); }
// ---------- QWindowsBaseWindow inline functions.
QWindowsWindow *QWindowsWindow::baseWindowOf(const QWindow *w)
{
if (w)
if (QPlatformWindow *pw = w->handle())
return static_cast<QWindowsWindow *>(pw);
return 0;
}
HWND QWindowsWindow::handleOf(const QWindow *w)
{
if (const QWindowsWindow *bw = QWindowsWindow::baseWindowOf(w))
return bw->handle();
return 0;
}
void *QWindowsWindow::userDataOf(HWND hwnd)
{
return (void *)GetWindowLongPtr(hwnd, GWLP_USERDATA);
}
void QWindowsWindow::setUserDataOf(HWND hwnd, void *ud)
{
SetWindowLongPtr(hwnd, GWLP_USERDATA, LONG_PTR(ud));
}
inline void QWindowsWindow::destroyIcon()
{
if (m_iconBig) {
DestroyIcon(m_iconBig);
m_iconBig = 0;
}
if (m_iconSmall) {
DestroyIcon(m_iconSmall);
m_iconSmall = 0;
}
}
inline bool QWindowsWindow::isLayered() const
{
#ifndef Q_OS_WINCE
return GetWindowLongPtr(m_data.hwnd, GWL_EXSTYLE) & WS_EX_LAYERED;
#else
return false;
#endif
}
QT_END_NAMESPACE
Q_DECLARE_METATYPE(QMargins)
#endif // QWINDOWSWINDOW_H