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    41 

    42 #ifndef QTOOLBARAREALAYOUT_P_H

    43 #define QTOOLBARAREALAYOUT_P_H

    44 

    45 //

    46 //  W A R N I N G

    47 //  -------------

    48 //

    49 // This file is not part of the Qt API.  It exists purely as an

    50 // implementation detail.  This header file may change from version to

    51 // version without notice, or even be removed.

    52 //

    53 // We mean it.

    54 //

    55 

    56 #include <QList>

    57 #include <QSize>

    58 #include <QRect>

    59 

    60 QT_BEGIN_NAMESPACE

    61 

    62 static inline int pick(Qt::Orientation o, const QPoint &pos)

    63 { return o == Qt::Horizontal ? pos.x() : pos.y(); }

    64 

    65 static inline int pick(Qt::Orientation o, const QSize &size)

    66 { return o == Qt::Horizontal ? size.width() : size.height(); }

    67 

    68 static inline int &rpick(Qt::Orientation o, QPoint &pos)

    69 { return o == Qt::Horizontal ? pos.rx() : pos.ry(); }

    70 

    71 static inline int &rpick(Qt::Orientation o, QSize &size)

    72 { return o == Qt::Horizontal ? size.rwidth() : size.rheight(); }

    73 

    74 static inline QSizePolicy::Policy pick(Qt::Orientation o, const QSizePolicy &policy)

    75 { return o == Qt::Horizontal ? policy.horizontalPolicy() : policy.verticalPolicy(); }

    76 

    77 static inline int perp(Qt::Orientation o, const QPoint &pos)

    78 { return o == Qt::Vertical ? pos.x() : pos.y(); }

    79 

    80 static inline int perp(Qt::Orientation o, const QSize &size)

    81 { return o == Qt::Vertical ? size.width() : size.height(); }

    82 

    83 static inline int &rperp(Qt::Orientation o, QPoint &pos)

    84 { return o == Qt::Vertical ? pos.rx() : pos.ry(); }

    85 

    86 static inline int &rperp(Qt::Orientation o, QSize &size)

    87 { return o == Qt::Vertical ? size.rwidth() : size.rheight(); }

    88 

    89 #ifndef QT_NO_TOOLBAR

    90 

    91 class QToolBar;

    92 class QLayoutItem;

    93 class QMainWindow;

    94 class QStyleOptionToolBar;

    95 

    96 class QToolBarAreaLayoutItem

    97 {

    98 public:

    99     QToolBarAreaLayoutItem(QLayoutItem *item = 0)

   100         : widgetItem(item), pos(0), size(-1), preferredSize(-1), gap(false) {}

   101 

   102     bool skip() const;

   103     QSize minimumSize() const;

   104     QSize sizeHint() const;

   105     QSize realSizeHint() const;

   106 

   107     void resize(Qt::Orientation o, int newSize)

   108     {

   109         newSize = qMax(pick(o, minimumSize()), newSize);

   110         int sizeh = pick(o, sizeHint());

   111         if (newSize == sizeh) {

   112             preferredSize = -1;

   113             size = sizeh;

   114         } else {

   115             preferredSize = newSize;

   116         }

   117     }

   118 

   119     void extendSize(Qt::Orientation o, int extent)

   120     {

   121         int newSize = qMax(pick(o, minimumSize()), (preferredSize > 0 ? preferredSize : size) + extent);

   122         int sizeh = pick(o, sizeHint());

   123         if (newSize == sizeh) {

   124             preferredSize = -1;

   125             size = sizeh;

   126         } else {

   127             preferredSize = newSize;

   128         }

   129     }

   130 

   131     QLayoutItem *widgetItem;

   132     int pos;

   133     int size;

   134     int preferredSize;

   135     bool gap;

   136 };

   137 

   138 class QToolBarAreaLayoutLine

   139 {

   140 public:

   141     QToolBarAreaLayoutLine(Qt::Orientation orientation);

   142 

   143     QSize sizeHint() const;

   144     QSize minimumSize() const;

   145 

   146     void fitLayout();

   147     bool skip() const;

   148 

   149     QRect rect;

   150     Qt::Orientation o;

   151 

   152     QList<QToolBarAreaLayoutItem> toolBarItems;

   153 };

   154 

   155 class QToolBarAreaLayoutInfo

   156 {

   157 public:

   158     enum { EmptyDockAreaSize = 80 }; // when a dock area is empty, how "wide" is it?

   159 

   160     QToolBarAreaLayoutInfo(QInternal::DockPosition pos = QInternal::TopDock);

   161 

   162     QList<QToolBarAreaLayoutLine> lines;

   163 

   164     QSize sizeHint() const;

   165     QSize minimumSize() const;

   166 

   167     void fitLayout();

   168 

   169     QLayoutItem *insertToolBar(QToolBar *before, QToolBar *toolBar);

   170     void insertItem(QToolBar *before, QLayoutItem *item);

   171     void removeToolBar(QToolBar *toolBar);

   172     void insertToolBarBreak(QToolBar *before);

   173     void removeToolBarBreak(QToolBar *before);

   174     void moveToolBar(QToolBar *toolbar, int pos); 

   175 

   176     QList<int> gapIndex(const QPoint &pos) const;

   177     bool insertGap(const QList<int> &path, QLayoutItem *item);

   178     void clear();

   179     QRect itemRect(const QList<int> &path) const;

   180     QRect appendLineDropRect() const;

   181 

   182     QRect rect;

   183     Qt::Orientation o;

   184     QInternal::DockPosition dockPos;

   185     bool dirty;

   186 };

   187 

   188 class QToolBarAreaLayout

   189 {

   190 public:

   191     enum { // sentinel values used to validate state data

   192         ToolBarStateMarker = 0xfe,

   193         ToolBarStateMarkerEx = 0xfc

   194     };

   195 

   196     QRect rect;

   197     const QMainWindow *mainWindow;

   198     QToolBarAreaLayoutInfo docks[4];

   199     bool visible;

   200 

   201     QToolBarAreaLayout(const QMainWindow *win);

   202 

   203     QRect fitLayout();

   204 

   205     QSize minimumSize(const QSize &centerMin) const;

   206     QRect rectHint(const QRect &r) const;

   207     QSize sizeHint(const QSize &center) const;

   208     void apply(bool animate);

   209 

   210     QLayoutItem *itemAt(int *x, int index) const;

   211     QLayoutItem *takeAt(int *x, int index);

   212     void deleteAllLayoutItems();

   213 

   214     QLayoutItem *insertToolBar(QToolBar *before, QToolBar *toolBar);

   215     void removeToolBar(QToolBar *toolBar);

   216     QLayoutItem *addToolBar(QInternal::DockPosition pos, QToolBar *toolBar);

   217     void insertToolBarBreak(QToolBar *before);

   218     void removeToolBarBreak(QToolBar *before);

   219     void addToolBarBreak(QInternal::DockPosition pos);

   220     void moveToolBar(QToolBar *toolbar, int pos); 

   221 

   222     void insertItem(QInternal::DockPosition pos, QLayoutItem *item);

   223     void insertItem(QToolBar *before, QLayoutItem *item);

   224 

   225     QInternal::DockPosition findToolBar(QToolBar *toolBar) const;

   226     bool toolBarBreak(QToolBar *toolBar) const;

   227 

   228     void getStyleOptionInfo(QStyleOptionToolBar *option, QToolBar *toolBar) const;

   229 

   230     QList<int> indexOf(QWidget *toolBar) const;

   231     QList<int> gapIndex(const QPoint &pos) const;

   232     QList<int> currentGapIndex() const;

   233     bool insertGap(const QList<int> &path, QLayoutItem *item);

   234     void remove(const QList<int> &path);

   235     void remove(QLayoutItem *item);

   236     void clear();

   237     QToolBarAreaLayoutItem &item(const QList<int> &path);

   238     QRect itemRect(const QList<int> &path) const;

   239     QLayoutItem *plug(const QList<int> &path);

   240     QLayoutItem *unplug(const QList<int> &path, QToolBarAreaLayout *other);

   241 

   242     void saveState(QDataStream &stream) const;

   243     bool restoreState(QDataStream &stream, const QList<QToolBar*> &toolBars, uchar tmarker, bool pre43, bool testing = false);

   244     bool isEmpty() const;

   245 };

   246 

   247 

   248 QT_END_NAMESPACE

   249 #endif // QT_NO_TOOLBAR

   250 #endif // QTOOLBARAREALAYOUT_P_H