qwidget.h

奇趣公司比较新的qt/emd版本

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#ifndef QWIDGET_H
#define QWIDGET_H

#include <QtGui/qwindowdefs.h>
#include <QtCore/qobject.h>
#include <QtGui/qpaintdevice.h>
#include <QtGui/qpalette.h>
#include <QtGui/qfont.h>
#include <QtGui/qfontmetrics.h>
#include <QtGui/qfontinfo.h>
#include <QtGui/qsizepolicy.h>
#include <QtGui/qregion.h>
#include <QtGui/qbrush.h>
#include <QtGui/qcursor.h>
#include <QtGui/qkeysequence.h>

#ifdef QT_INCLUDE_COMPAT
#include <QtGui/qevent.h>
#endif

QT_BEGIN_HEADER

QT_MODULE(Gui)

class QLayout;
class QWSRegionManager;
class QStyle;
class QAction;
class QVariant;

class QActionEvent;
class QMouseEvent;
class QWheelEvent;
class QHoverEvent;
class QKeyEvent;
class QFocusEvent;
class QPaintEvent;
class QMoveEvent;
class QResizeEvent;
class QCloseEvent;
class QContextMenuEvent;
class QInputMethodEvent;
class QTabletEvent;
class QDragEnterEvent;
class QDragMoveEvent;
class QDragLeaveEvent;
class QDropEvent;
class QShowEvent;
class QHideEvent;
class QInputContext;
class QIcon;
class QWindowSurface;
class QLocale;
#if defined(Q_WS_X11)
class QX11Info;
#endif

class QWidgetData
{
public:
    WId winid;
    uint widget_attributes;
    Qt::WindowFlags window_flags;
    uint window_state : 4;
    uint focus_policy : 4;
    uint sizehint_forced :1;
    uint is_closing :1;
    uint in_show : 1;
    uint in_set_window_state : 1;
    mutable uint fstrut_dirty : 1;
    uint context_menu_policy : 3;
    uint window_modality : 2;
    uint in_destructor : 1;
    uint unused : 13;
    QRect crect;
    mutable QPalette pal;
    QFont fnt;
#if defined(Q_WS_QWS)
//    QRegion req_region;                 // Requested region
//     mutable QRegion paintable_region;   // Paintable region
//     mutable bool paintable_region_dirty;// needs to be recalculated
//     mutable QRegion alloc_region;       // Allocated region
//     mutable bool alloc_region_dirty;    // needs to be recalculated
//     mutable int overlapping_children;   // Handle overlapping children

    int alloc_region_index;
//    int alloc_region_revision;
#endif
    QRect wrect;
};

class QWidgetPrivate;

class Q_GUI_EXPORT QWidget : public QObject, public QPaintDevice
{
    Q_OBJECT
    Q_DECLARE_PRIVATE(QWidget)

    Q_PROPERTY(bool modal READ isModal)
    Q_PROPERTY(Qt::WindowModality windowModality READ windowModality WRITE setWindowModality)
    Q_PROPERTY(bool enabled READ isEnabled WRITE setEnabled)
    Q_PROPERTY(QRect geometry READ geometry WRITE setGeometry)
    Q_PROPERTY(QRect frameGeometry READ frameGeometry)
    Q_PROPERTY(QRect normalGeometry READ normalGeometry)
    Q_PROPERTY(int x READ x)
    Q_PROPERTY(int y READ y)
    Q_PROPERTY(QPoint pos READ pos WRITE move DESIGNABLE false STORED false)
    Q_PROPERTY(QSize frameSize READ frameSize)
    Q_PROPERTY(QSize size READ size WRITE resize DESIGNABLE false STORED false)
    Q_PROPERTY(int width READ width)
    Q_PROPERTY(int height READ height)
    Q_PROPERTY(QRect rect READ rect)
    Q_PROPERTY(QRect childrenRect READ childrenRect)
    Q_PROPERTY(QRegion childrenRegion READ childrenRegion)
    Q_PROPERTY(QSizePolicy sizePolicy READ sizePolicy WRITE setSizePolicy)
    Q_PROPERTY(QSize minimumSize READ minimumSize WRITE setMinimumSize)
    Q_PROPERTY(QSize maximumSize READ maximumSize WRITE setMaximumSize)
    Q_PROPERTY(int minimumWidth READ minimumWidth WRITE setMinimumWidth STORED false DESIGNABLE false)
    Q_PROPERTY(int minimumHeight READ minimumHeight WRITE setMinimumHeight STORED false DESIGNABLE false)
    Q_PROPERTY(int maximumWidth READ maximumWidth WRITE setMaximumWidth STORED false DESIGNABLE false)
    Q_PROPERTY(int maximumHeight READ maximumHeight WRITE setMaximumHeight STORED false DESIGNABLE false)
    Q_PROPERTY(QSize sizeIncrement READ sizeIncrement WRITE setSizeIncrement)
    Q_PROPERTY(QSize baseSize READ baseSize WRITE setBaseSize)
    Q_PROPERTY(QPalette palette READ palette WRITE setPalette)
    Q_PROPERTY(QFont font READ font WRITE setFont)
#ifndef QT_NO_CURSOR
    Q_PROPERTY(QCursor cursor READ cursor WRITE setCursor RESET unsetCursor)
#endif
    Q_PROPERTY(bool mouseTracking READ hasMouseTracking WRITE setMouseTracking)
    Q_PROPERTY(bool isActiveWindow READ isActiveWindow)
    Q_PROPERTY(Qt::FocusPolicy focusPolicy READ focusPolicy WRITE setFocusPolicy)
    Q_PROPERTY(bool focus READ hasFocus)
    Q_PROPERTY(Qt::ContextMenuPolicy contextMenuPolicy READ contextMenuPolicy WRITE setContextMenuPolicy)
    Q_PROPERTY(bool updatesEnabled READ updatesEnabled WRITE setUpdatesEnabled DESIGNABLE false)
    Q_PROPERTY(bool visible READ isVisible WRITE setVisible DESIGNABLE false)
    Q_PROPERTY(bool minimized READ isMinimized)
    Q_PROPERTY(bool maximized READ isMaximized)
    Q_PROPERTY(bool fullScreen READ isFullScreen)
    Q_PROPERTY(QSize sizeHint READ sizeHint)
    Q_PROPERTY(QSize minimumSizeHint READ minimumSizeHint)
    Q_PROPERTY(bool acceptDrops READ acceptDrops WRITE setAcceptDrops)
    Q_PROPERTY(QString windowTitle READ windowTitle WRITE setWindowTitle DESIGNABLE isWindow)
    Q_PROPERTY(QIcon windowIcon READ windowIcon WRITE setWindowIcon DESIGNABLE isWindow)
    Q_PROPERTY(QString windowIconText READ windowIconText WRITE setWindowIconText DESIGNABLE isWindow)
    Q_PROPERTY(double windowOpacity READ windowOpacity WRITE setWindowOpacity DESIGNABLE isWindow)
    Q_PROPERTY(bool windowModified READ isWindowModified WRITE setWindowModified DESIGNABLE isWindow)
#ifndef QT_NO_TOOLTIP
    Q_PROPERTY(QString toolTip READ toolTip WRITE setToolTip)
#endif
#ifndef QT_NO_STATUSTIP
    Q_PROPERTY(QString statusTip READ statusTip WRITE setStatusTip)
#endif
#ifndef QT_NO_WHATSTHIS
    Q_PROPERTY(QString whatsThis READ whatsThis WRITE setWhatsThis)
#endif
#ifndef QT_NO_ACCESSIBILITY
    Q_PROPERTY(QString accessibleName READ accessibleName WRITE setAccessibleName)
    Q_PROPERTY(QString accessibleDescription READ accessibleDescription WRITE setAccessibleDescription)
#endif
    Q_PROPERTY(Qt::LayoutDirection layoutDirection READ layoutDirection WRITE setLayoutDirection RESET unsetLayoutDirection)
    QDOC_PROPERTY(Qt::WindowFlags windowFlags READ windowFlags WRITE setWindowFlags)
    Q_PROPERTY(bool autoFillBackground READ autoFillBackground WRITE setAutoFillBackground)
#ifndef QT_NO_STYLE_STYLESHEET
    Q_PROPERTY(QString styleSheet READ styleSheet WRITE setStyleSheet)
#endif
    Q_PROPERTY(QLocale locale READ locale WRITE setLocale RESET unsetLocale)

public:
    enum RenderFlag {
        DrawWindowBackground = 0x1,
        DrawChildren = 0x2,
        IgnoreMask = 0x4
    };
    Q_DECLARE_FLAGS(RenderFlags, RenderFlag)

    explicit QWidget(QWidget* parent = 0, Qt::WindowFlags f = 0);
#ifdef QT3_SUPPORT
    QT3_SUPPORT_CONSTRUCTOR QWidget(QWidget* parent, const char *name, Qt::WindowFlags f = 0);
#endif
    ~QWidget();

    int devType() const;

    WId winId() const;
    void createWinId(); // internal, going away
    inline WId internalWinId() const { return data->winid; }

    // GUI style setting
    QStyle *style() const;
    void setStyle(QStyle *);
    // Widget types and states

    bool isTopLevel() const;
    bool isWindow() const;

    bool isModal() const;
    Qt::WindowModality windowModality() const;
    void setWindowModality(Qt::WindowModality windowModality);

    bool isEnabled() const;
    bool isEnabledTo(QWidget*) const;
    bool isEnabledToTLW() const;

public Q_SLOTS:
    void setEnabled(bool);
    void setDisabled(bool);
    void setWindowModified(bool);

    // Widget coordinates

public:
    QRect frameGeometry() const;
    const QRect &geometry() const;
    QRect normalGeometry() const;

    int x() const;
    int y() const;
    QPoint pos() const;
    QSize frameSize() const;
    QSize size() const;
    inline int width() const;
    inline int height() const;
    inline QRect rect() const;
    QRect childrenRect() const;
    QRegion childrenRegion() const;

    QSize minimumSize() const;
    QSize maximumSize() const;
    int minimumWidth() const;
    int minimumHeight() const;
    int maximumWidth() const;
    int maximumHeight() const;
    void setMinimumSize(const QSize &);
    void setMinimumSize(int minw, int minh);
    void setMaximumSize(const QSize &);
    void setMaximumSize(int maxw, int maxh);
    void setMinimumWidth(int minw);
    void setMinimumHeight(int minh);
    void setMaximumWidth(int maxw);
    void setMaximumHeight(int maxh);

    QSize sizeIncrement() const;
    void setSizeIncrement(const QSize &);
    void setSizeIncrement(int w, int h);
    QSize baseSize() const;
    void setBaseSize(const QSize &);
    void setBaseSize(int basew, int baseh);

    void setFixedSize(const QSize &);
    void setFixedSize(int w, int h);
    void setFixedWidth(int w);
    void setFixedHeight(int h);

    // Widget coordinate mapping

    QPoint mapToGlobal(const QPoint &) const;
    QPoint mapFromGlobal(const QPoint &) const;
    QPoint mapToParent(const QPoint &) const;
    QPoint mapFromParent(const QPoint &) const;
    QPoint mapTo(QWidget *, const QPoint &) const;
    QPoint mapFrom(QWidget *, const QPoint &) const;

    QWidget *window() const;
    inline QWidget *topLevelWidget() const { return window(); }

    // Widget appearance functions
    const QPalette &palette() const;
    void setPalette(const QPalette &);

    void setBackgroundRole(QPalette::ColorRole);
    QPalette::ColorRole backgroundRole() const;

    void setForegroundRole(QPalette::ColorRole);
    QPalette::ColorRole foregroundRole() const;

    const QFont &font() const;
    void setFont(const QFont &);
    QFontMetrics fontMetrics() const;
    QFontInfo fontInfo() const;

#ifndef QT_NO_CURSOR
    QCursor cursor() const;
    void setCursor(const QCursor &);
    void unsetCursor();
#endif

    void setMouseTracking(bool enable);
    bool hasMouseTracking() const;
    bool underMouse() const;

    void setMask(const QBitmap &);
    void setMask(const QRegion &);
    QRegion mask() const;
    void clearMask();

    void render(QPaintDevice *target, const QPoint &targetOffset = QPoint(),
                const QRegion &sourceRegion = QRegion(),
                RenderFlags renderFlags = RenderFlags(DrawWindowBackground | DrawChildren));

public Q_SLOTS:
    void setWindowTitle(const QString &);