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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtWidgets module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
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** 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
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** information use the contact form at https://www.qt.io/contact-us.
**
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** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
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** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
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** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
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****************************************************************************/
#ifndef QAPPLICATION_P_H
#define QAPPLICATION_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists for the convenience
// of qapplication_*.cpp, qwidget*.cpp, qcolor_x11.cpp, qfiledialog.cpp
// and many other. This header file may change from version to version
// without notice, or even be removed.
//
// We mean it.
//
#include <QtWidgets/private/qtwidgetsglobal_p.h>
#include "QtWidgets/qapplication.h"
#include "QtGui/qevent.h"
#include "QtGui/qfont.h"
#include "QtGui/qcursor.h"
#include "QtGui/qregion.h"
#include "QtGui/qwindow.h"
#include "qwidget.h"
#include <qpa/qplatformnativeinterface.h>
#include "QtCore/qmutex.h"
#include "QtCore/qtranslator.h"
#include "QtCore/qbasictimer.h"
#include "QtCore/qhash.h"
#include "QtCore/qpointer.h"
#include "private/qcoreapplication_p.h"
#include "QtCore/qpoint.h"
#include <QTime>
#include <qpa/qwindowsysteminterface.h>
#include <qpa/qwindowsysteminterface_p.h>
#include <qpa/qplatformintegration.h>
#include "private/qguiapplication_p.h"
QT_BEGIN_NAMESPACE
class QClipboard;
class QGraphicsScene;
class QObject;
class QWidget;
class QSocketNotifier;
class QTouchDevice;
#ifndef QT_NO_GESTURES
class QGestureManager;
#endif
extern Q_GUI_EXPORT bool qt_is_gui_used;
#ifndef QT_NO_CLIPBOARD
extern QClipboard *qt_clipboard;
#endif
typedef QHash<QByteArray, QFont> FontHash;
FontHash *qt_app_fonts_hash();
typedef QHash<QByteArray, QPalette> PaletteHash;
PaletteHash *qt_app_palettes_hash();
#define QApplicationPrivateBase QGuiApplicationPrivate
class Q_WIDGETS_EXPORT QApplicationPrivate : public QApplicationPrivateBase
{
Q_DECLARE_PUBLIC(QApplication)
public:
QApplicationPrivate(int &argc, char **argv, int flags);
~QApplicationPrivate();
virtual void notifyLayoutDirectionChange() Q_DECL_OVERRIDE;
virtual void notifyActiveWindowChange(QWindow *) Q_DECL_OVERRIDE;
virtual bool shouldQuit() Q_DECL_OVERRIDE;
bool tryCloseAllWindows() Q_DECL_OVERRIDE;
#if 0 // Used to be included in Qt4 for Q_WS_X11
#ifndef QT_NO_SETTINGS
static bool x11_apply_settings();
#endif
static void reset_instance_pointer();
#endif
static bool autoSipEnabled;
static QString desktopStyleKey();
void createEventDispatcher() Q_DECL_OVERRIDE;
static void dispatchEnterLeave(QWidget *enter, QWidget *leave, const QPointF &globalPosF);
void notifyWindowIconChanged() Q_DECL_OVERRIDE;
//modality
bool isWindowBlocked(QWindow *window, QWindow **blockingWindow = 0) const Q_DECL_OVERRIDE;
static bool isBlockedByModal(QWidget *widget);
static bool modalState();
static bool tryModalHelper(QWidget *widget, QWidget **rettop = 0);
#if 0 // Used to be included in Qt4 for Q_WS_MAC
static QWidget *tryModalHelper_sys(QWidget *top);
bool canQuit();
#endif
//style
static bool usesNativeStyle()
{
return !overrides_native_style;
}
bool notify_helper(QObject *receiver, QEvent * e);
void init(
#if 0 // Used to be included in Qt4 for Q_WS_X11
Display *dpy = 0, Qt::HANDLE visual = 0, Qt::HANDLE cmap = 0
#endif
);
void initialize();
void process_cmdline();
#if 0 // Used to be included in Qt4 for Q_WS_X11
static void x11_initialize_style();
#endif
static bool inPopupMode();
bool popupActive() Q_DECL_OVERRIDE { return inPopupMode(); }
void closePopup(QWidget *popup);
void openPopup(QWidget *popup);
static void setFocusWidget(QWidget *focus, Qt::FocusReason reason);
static QWidget *focusNextPrevChild_helper(QWidget *toplevel, bool next,
bool *wrappingOccurred = 0);
#if QT_CONFIG(graphicsview)
// Maintain a list of all scenes to ensure font and palette propagation to
// all scenes.
QList<QGraphicsScene *> scene_list;
#endif
QBasicTimer toolTipWakeUp, toolTipFallAsleep;
QPoint toolTipPos, toolTipGlobalPos, hoverGlobalPos;
QPointer<QWidget> toolTipWidget;
static QSize app_strut;
static QWidgetList *popupWidgets;
static QStyle *app_style;
static bool overrides_native_style;
static QPalette *sys_pal;
static QPalette *set_pal;
protected:
void notifyThemeChanged() Q_DECL_OVERRIDE;
#ifndef QT_NO_DRAGANDDROP
void notifyDragStarted(const QDrag *) Q_DECL_OVERRIDE;
#endif // QT_NO_DRAGANDDROP
public:
static QFont *sys_font;
static QFont *set_font;
static QWidget *main_widget;
static QWidget *focus_widget;
static QWidget *hidden_focus_widget;
static QWidget *active_window;
#if QT_CONFIG(wheelevent)
static int wheel_scroll_lines;
static QPointer<QWidget> wheel_widget;
#endif
static int enabledAnimations; // Combination of QPlatformTheme::UiEffect
static bool widgetCount; // Coupled with -widgetcount switch
static void setSystemPalette(const QPalette &pal);
static void setPalette_helper(const QPalette &palette, const char* className, bool clearWidgetPaletteHash);
static void initializeWidgetPaletteHash();
static void initializeWidgetFontHash();
static void setSystemFont(const QFont &font);
#if 0 // Used to be included in Qt4 for Q_WS_X11
static void applyX11SpecificCommandLineArguments(QWidget *main_widget);
#endif
static QApplicationPrivate *instance() { return self; }
#ifdef QT_KEYPAD_NAVIGATION
static QWidget *oldEditFocus;
static Qt::NavigationMode navigationMode;
#endif
#if 0 /* Used to be included in Qt4 for Q_WS_MAC */ || 0 /* Used to be included in Qt4 for Q_WS_X11 */
void _q_alertTimeOut();
QHash<QWidget *, QTimer *> alertTimerHash;
#endif
#ifndef QT_NO_STYLE_STYLESHEET
static QString styleSheet;
#endif
static QPointer<QWidget> leaveAfterRelease;
static QWidget *pickMouseReceiver(QWidget *candidate, const QPoint &windowPos, QPoint *pos,
QEvent::Type type, Qt::MouseButtons buttons,
QWidget *buttonDown, QWidget *alienWidget);
static bool sendMouseEvent(QWidget *receiver, QMouseEvent *event, QWidget *alienWidget,
QWidget *native, QWidget **buttonDown, QPointer<QWidget> &lastMouseReceiver,
bool spontaneous = true);
void sendSyntheticEnterLeave(QWidget *widget);
static QWindow *windowForWidget(const QWidget *widget)
{
if (QWindow *window = widget->windowHandle())
return window;
if (const QWidget *nativeParent = widget->nativeParentWidget())
return nativeParent->windowHandle();
return 0;
}
#ifdef Q_OS_WIN
static HWND getHWNDForWidget(const QWidget *widget)
{
if (QWindow *window = windowForWidget(widget))
if (window->handle())
return static_cast<HWND> (QGuiApplication::platformNativeInterface()->
nativeResourceForWindow(QByteArrayLiteral("handle"), window));
return 0;
}
#endif
#ifndef QT_NO_GESTURES
QGestureManager *gestureManager;
QWidget *gestureWidget;
#endif
#if 0 /* Used to be included in Qt4 for Q_WS_X11 */ || 0 /* Used to be included in Qt4 for Q_WS_WIN */
QPixmap *move_cursor;
QPixmap *copy_cursor;
QPixmap *link_cursor;
#endif
#if 0 // Used to be included in Qt4 for Q_WS_WIN
QPixmap *ignore_cursor;
#endif
static bool updateTouchPointsForWidget(QWidget *widget, QTouchEvent *touchEvent);
void initializeMultitouch();
void initializeMultitouch_sys();
void cleanupMultitouch();
void cleanupMultitouch_sys();
QWidget *findClosestTouchPointTarget(QTouchDevice *device, const QTouchEvent::TouchPoint &touchPoint);
void appendTouchPoint(const QTouchEvent::TouchPoint &touchPoint);
void removeTouchPoint(int touchPointId);
void activateImplicitTouchGrab(QWidget *widget, QTouchEvent *touchBeginEvent);
static bool translateRawTouchEvent(QWidget *widget,
QTouchDevice *device,
const QList<QTouchEvent::TouchPoint> &touchPoints,
ulong timestamp);
static void translateTouchCancel(QTouchDevice *device, ulong timestamp);
QPixmap applyQIconStyleHelper(QIcon::Mode mode, const QPixmap& base) const Q_DECL_OVERRIDE;
private:
static QApplicationPrivate *self;
static bool tryCloseAllWidgetWindows(QWindowList *processedWindows);
static void giveFocusAccordingToFocusPolicy(QWidget *w, QEvent *event, QPoint localPos);
static bool shouldSetFocus(QWidget *w, Qt::FocusPolicy policy);
static bool isAlien(QWidget *);
};
#if 0 // Used to be included in Qt4 for Q_WS_WIN
extern void qt_win_set_cursor(QWidget *, bool);
#elif 0 // Used to be included in Qt4 for Q_WS_X11
extern void qt_x11_enforce_cursor(QWidget *, bool);
extern void qt_x11_enforce_cursor(QWidget *);
#else
extern void qt_qpa_set_cursor(QWidget * w, bool force);
#endif
QT_END_NAMESPACE
#endif // QAPPLICATION_P_H