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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 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 QPointingDevice;
#ifndef QT_NO_GESTURES
class QGestureManager;
#endif
extern Q_GUI_EXPORT bool qt_is_tty_app;
#ifndef QT_NO_CLIPBOARD
extern QClipboard *qt_clipboard;
#endif
typedef QHash<QByteArray, QFont> FontHash;
Q_WIDGETS_EXPORT FontHash *qt_app_fonts_hash();
class Q_WIDGETS_EXPORT QApplicationPrivate : public QGuiApplicationPrivate
{
Q_DECLARE_PUBLIC(QApplication)
public:
QApplicationPrivate(int &argc, char **argv);
~QApplicationPrivate();
virtual void notifyLayoutDirectionChange() override;
virtual void notifyActiveWindowChange(QWindow *) override;
static bool autoSipEnabled;
static QString desktopStyleKey();
void createEventDispatcher() override;
static void dispatchEnterLeave(QWidget *enter, QWidget *leave, const QPointF &globalPosF);
static QWidget *desktop();
void notifyWindowIconChanged() override;
#ifndef QT_NO_ACTION
QActionPrivate *createActionPrivate() const override;
#endif
#ifndef QT_NO_SHORTCUT
QShortcutPrivate *createShortcutPrivate() const override;
#endif
//modality
bool isWindowBlocked(QWindow *window, QWindow **blockingWindow = nullptr) const override;
static bool isBlockedByModal(QWidget *widget);
static bool modalState();
static bool tryModalHelper(QWidget *widget, QWidget **rettop = nullptr);
#ifdef QT_KEYPAD_NAVIGATION
static bool keypadNavigationEnabled()
{
return navigationMode == Qt::NavigationModeKeypadTabOrder ||
navigationMode == Qt::NavigationModeKeypadDirectional;
}
#endif
bool notify_helper(QObject *receiver, QEvent * e);
void init();
void initialize();
void process_cmdline();
static bool inPopupMode();
bool popupActive() override { return inPopupMode(); }
bool closeAllPopups() override;
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 = nullptr);
#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;
protected:
void handleThemeChanged() override;
QPalette basePalette() const override;
void handlePaletteChanged(const char *className = nullptr) override;
#if QT_CONFIG(draganddrop)
void notifyDragStarted(const QDrag *) override;
#endif // QT_CONFIG(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 initializeWidgetPalettesFromTheme();
static void initializeWidgetFontHash();
static void setSystemFont(const QFont &font);
using PaletteHash = QHash<QByteArray, QPalette>;
static PaletteHash widgetPalettes;
static QApplicationPrivate *instance() { return self; }
#ifdef QT_KEYPAD_NAVIGATION
static QWidget *oldEditFocus;
static Qt::NavigationMode navigationMode;
#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, bool onlyDispatchEnterLeave = false);
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 nullptr;
}
#ifdef Q_OS_WIN
static HWND getHWNDForWidget(const QWidget *widget)
{
if (QWindow *window = windowForWidget(widget))
if (window->handle() && QGuiApplication::platformNativeInterface())
return static_cast<HWND> (QGuiApplication::platformNativeInterface()->
nativeResourceForWindow(QByteArrayLiteral("handle"), window));
return 0;
}
#endif
#ifndef QT_NO_GESTURES
QGestureManager *gestureManager;
QWidget *gestureWidget;
#endif
static bool updateTouchPointsForWidget(QWidget *widget, QTouchEvent *touchEvent);
void initializeMultitouch();
void initializeMultitouch_sys();
void cleanupMultitouch();
void cleanupMultitouch_sys();
QWidget *findClosestTouchPointTarget(const QPointingDevice *device, const QEventPoint &touchPoint);
void appendTouchPoint(const QEventPoint &touchPoint);
void removeTouchPoint(int touchPointId);
enum ImplicitTouchGrabMode { GrabAcceptedPoints, GrabAllPoints };
void activateImplicitTouchGrab(QWidget *widget, QTouchEvent *touchBeginEvent,
ImplicitTouchGrabMode grabMode = GrabAcceptedPoints);
static bool translateRawTouchEvent(QWidget *widget, const QTouchEvent *touchEvent);
static void translateTouchCancel(const QPointingDevice *device, ulong timestamp);
QPixmap applyQIconStyleHelper(QIcon::Mode mode, const QPixmap& base) const 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 *);
};
extern void qt_qpa_set_cursor(QWidget * w, bool force);
QT_END_NAMESPACE
#endif // QAPPLICATION_P_H
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