source: trunk/src/qt3support/widgets/q3mainwindow.cpp@ 561

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#include "q3mainwindow.h"
#ifndef QT_NO_MAINWINDOW

#include "qapplication.h"
#include "qbitmap.h"
#include "qcursor.h"
#include "qdatetime.h"
#include "q3dockarea.h"
#include "qevent.h"
#include "qlayout.h"
#include "qmap.h"
#include "qmenubar.h"
#include "qpainter.h"
#include "q3popupmenu.h"
#include "q3scrollview.h"
#include "qstatusbar.h"
#include "qstringlist.h"
#include "qstyle.h"
#include "qstyleoption.h"
#include "qtimer.h"
#include "q3toolbar.h"
#include "qtooltip.h"
#include "qwhatsthis.h"
#ifdef Q_WS_MAC
#  include <private/qt_mac_p.h>
#endif

#include <private/q3mainwindow_p.h>

QT_BEGIN_NAMESPACE

class QHideDock;

/* Q3MainWindowLayout, respects widthForHeight layouts (like the left
  and right docks are)
*/

class Q3MainWindowLayout : public QLayout
{
    Q_OBJECT

public:
    Q3MainWindowLayout(Q3MainWindow *mw);
    ~Q3MainWindowLayout() {}

    void addItem(QLayoutItem *);
    void setLeftDock(Q3DockArea *l);
    void setRightDock(Q3DockArea *r);
    void setCentralWidget(QWidget *w);
    bool hasHeightForWidth() const { return false; }
    QSize sizeHint() const;
    QSize minimumSize() const;
    QLayoutItem *itemAt(int) const { return 0; } //###
    QLayoutItem *takeAt(int) { return 0; } //###
    int count() const { return 0; } //###

protected:
    void setGeometry(const QRect &r) {
        QLayout::setGeometry(r);
        layoutItems(r);
    }

private:
    int layoutItems(const QRect&, bool testonly = false);
    int extraPixels() const;

    Q3DockArea *left, *right;
    QWidget *central;
    Q3MainWindow *mainWindow;

};

QSize Q3MainWindowLayout::sizeHint() const
{
    int w = 0;
    int h = 0;

    if (left) {
        w += left->sizeHint().width();
        h = qMax(h, left->sizeHint().height());
    }
    if (right) {
        w += right->sizeHint().width();
        h = qMax(h, right->sizeHint().height());
    }
    if (central) {
        w += central->sizeHint().width();
        int diff = extraPixels();
        h = qMax(h, central->sizeHint().height() + diff);
    }
    return QSize(w, h);
}

QSize Q3MainWindowLayout::minimumSize() const
{
    int w = 0;
    int h = 0;

    if (left) {
        QSize ms = left->minimumSizeHint().expandedTo(left->minimumSize());
        w += ms.width();
        h = qMax(h, ms.height());
    }
    if (right) {
        QSize ms = right->minimumSizeHint().expandedTo(right->minimumSize());
        w += ms.width();
        h = qMax(h, ms.height());
    }
    if (central) {
        QSize min = central->minimumSize().isNull() ?
                    central->minimumSizeHint() : central->minimumSize();
        w += min.width();
        int diff = extraPixels();
        h = qMax(h, min.height() + diff);
    }
    return QSize(w, h);
}

Q3MainWindowLayout::Q3MainWindowLayout(Q3MainWindow *mw)
    : left(0), right(0), central(0)
{
    mainWindow = mw;
}

void Q3MainWindowLayout::setLeftDock(Q3DockArea *l)
{
    left = l;