qtoolbararealayout.cpp

奇趣公司比较新的qt/emd版本

    if (rect.contains(pos)) {
        for (int j = 0; j < lines.count(); ++j) {
            const QToolBarAreaLayoutLine &line = lines.at(j);
            if (line.skip())
                continue;
            if (!line.rect.contains(pos))
                continue;

            int k = 0;
            for (; k < line.toolBarItems.count(); ++k) {
                const QToolBarAreaLayoutItem &item = line.toolBarItems.at(k);
                if (item.skip())
                    continue;

                int size = qMin(item.size, pick(o, item.sizeHint()));

                if (p > item.pos + size)
                    continue;
                if (p > item.pos + size/2)
                    ++k;
                break;
            }

            QList<int> result;
            result << j << k;
            return result;
        }
    } else if (appendLineDropRect().contains(pos)) {
        QList<int> result;
        result << lines.count() << 0;
        return result;
    }

    return QList<int>();
}

bool QToolBarAreaLayoutInfo::insertGap(QList<int> path, QLayoutItem *item)
{
    int j = path.at(0);
    if (j == lines.count())
        lines.append(QToolBarAreaLayoutLine(o));

    QToolBarAreaLayoutLine &line = lines[j];
    int k = path.at(1);

    QToolBarAreaLayoutItem gap_item;
    gap_item.gap = true;
    gap_item.widgetItem = item;
    line.toolBarItems.insert(k, gap_item);

    return true;

}

void QToolBarAreaLayoutInfo::clear()
{
    lines.clear();
    rect = QRect(0, 0, -1, -1);
}

QRect QToolBarAreaLayoutInfo::itemRect(QList<int> path) const
{
    int j = path.at(0);
    int k = path.at(1);

    const QToolBarAreaLayoutLine &line = lines.at(j);
    const QToolBarAreaLayoutItem &item = line.toolBarItems.at(k);

    QRect result = line.rect;

    if (o == Qt::Horizontal) {
        result.setLeft(item.pos + line.rect.left());
        result.setWidth(item.size);
    } else {
        result.setTop(item.pos + line.rect.top());
        result.setHeight(item.size);
    }

    return result;
}

QRect QToolBarAreaLayoutInfo::appendLineDropRect() const
{
    QRect result;

    switch (dockPos) {
        case QInternal::LeftDock:
            result = QRect(rect.right(), rect.top(),
                            EmptyDockAreaSize, rect.height());
            break;
        case QInternal::RightDock:
            result = QRect(rect.left() - EmptyDockAreaSize, rect.top(),
                            EmptyDockAreaSize, rect.height());
            break;
        case QInternal::TopDock:
            result = QRect(rect.left(), rect.bottom() + 1,
                            rect.width(), EmptyDockAreaSize);
            break;
        case QInternal::BottomDock:
            result = QRect(rect.left(), rect.top() - EmptyDockAreaSize,
                            rect.width(), EmptyDockAreaSize);
            break;
        default:
            break;
    }

    return result;
}

/******************************************************************************
** QToolBarAreaLayout
*/

QToolBarAreaLayout::QToolBarAreaLayout(QMainWindow *win)
{
    visible = true;
    mainWindow = win;
    for (int i = 0; i < QInternal::DockCount; ++i) {
        QInternal::DockPosition pos = static_cast<QInternal::DockPosition>(i);
        docks[i] = QToolBarAreaLayoutInfo(pos);
    }
}

QRect QToolBarAreaLayout::fitLayout()
{
    if (!visible)
        return rect;

    QSize left_hint = docks[QInternal::LeftDock].sizeHint();
    QSize right_hint = docks[QInternal::RightDock].sizeHint();
    QSize top_hint = docks[QInternal::TopDock].sizeHint();
    QSize bottom_hint = docks[QInternal::BottomDock].sizeHint();

    QRect center = rect.adjusted(left_hint.width(), top_hint.height(),
                                    -right_hint.width(), -bottom_hint.height());

    docks[QInternal::TopDock].rect = QRect(rect.left(), rect.top(),
                                rect.width(), top_hint.height());
    docks[QInternal::LeftDock].rect = QRect(rect.left(), center.top(),
                                left_hint.width(), center.height());
    docks[QInternal::RightDock].rect = QRect(center.right() + 1, center.top(),
                                    right_hint.width(), center.height());
    docks[QInternal::BottomDock].rect = QRect(rect.left(), center.bottom() + 1,
                                    rect.width(), bottom_hint.height());

    if (!mainWindow->unifiedTitleAndToolBarOnMac()) {
        docks[QInternal::TopDock].fitLayout();
    }
    docks[QInternal::LeftDock].fitLayout();
    docks[QInternal::RightDock].fitLayout();
    docks[QInternal::BottomDock].fitLayout();

    return center;
}

QSize QToolBarAreaLayout::minimumSize(const QSize &centerMin) const
{
    if (!visible)
        return centerMin;

    QSize result = centerMin;

    QSize left_min = docks[QInternal::LeftDock].minimumSize();
    QSize right_min = docks[QInternal::RightDock].minimumSize();
    QSize top_min = docks[QInternal::TopDock].minimumSize();
    QSize bottom_min = docks[QInternal::BottomDock].minimumSize();

    result.setWidth(qMax(top_min.width(), result.width()));
    result.setWidth(qMax(bottom_min.width(), result.width()));
    result.setHeight(qMax(left_min.height(), result.height()));
    result.setHeight(qMax(right_min.height(), result.height()));

    result.rwidth() += left_min.width() + right_min.width();
    result.rheight() += top_min.height() + bottom_min.height();

    return result;
}

QSize QToolBarAreaLayout::sizeHint(const QSize &centerHint) const
{
    if (!visible)
        return centerHint;

    QSize result = centerHint;

    QSize left_hint = docks[QInternal::LeftDock].sizeHint();
    QSize right_hint = docks[QInternal::RightDock].sizeHint();
    QSize top_hint = docks[QInternal::TopDock].sizeHint();
    QSize bottom_hint = docks[QInternal::BottomDock].sizeHint();

    result.setWidth(qMax(top_hint.width(), result.width()));
    result.setWidth(qMax(bottom_hint.width(), result.width()));
    result.setHeight(qMax(left_hint.height(), result.height()));
    result.setHeight(qMax(right_hint.height(), result.height()));

    result.rwidth() += left_hint.width() + right_hint.width();
    result.rheight() += top_hint.height() + bottom_hint.height();

    return result;
}

QRect QToolBarAreaLayout::rectHint(const QRect &r) const
{
    int coef = visible ? 1 : -1;

    QRect result = r;

    QSize left_hint = docks[QInternal::LeftDock].sizeHint();
    QSize right_hint = docks[QInternal::RightDock].sizeHint();
    QSize top_hint = docks[QInternal::TopDock].sizeHint();
    QSize bottom_hint = docks[QInternal::BottomDock].sizeHint();

    result.adjust(-left_hint.width()*coef, -top_hint.height()*coef,
                    right_hint.width()*coef, bottom_hint.height()*coef);

    return result;
}

QLayoutItem *QToolBarAreaLayout::itemAt(int *x, int index) const
{
    Q_ASSERT(x != 0);

    for (int i = 0; i < QInternal::DockCount; ++i) {
        const QToolBarAreaLayoutInfo &dock = docks[i];

        for (int j = 0; j < dock.lines.count(); ++j) {
            const QToolBarAreaLayoutLine &line = dock.lines.at(j);

            for (int k = 0; k < line.toolBarItems.count(); ++k) {
                if ((*x)++ == index)
                    return line.toolBarItems.at(k).widgetItem;
            }
        }
    }

    return 0;
}

QLayoutItem *QToolBarAreaLayout::takeAt(int *x, int index)
{
    Q_ASSERT(x != 0);

    for (int i = 0; i < QInternal::DockCount; ++i) {
        QToolBarAreaLayoutInfo &dock = docks[i];

        for (int j = 0; j < dock.lines.count(); ++j) {
            QToolBarAreaLayoutLine &line = dock.lines[j];

            for (int k = 0; k < line.toolBarItems.count(); ++k) {
                if ((*x)++ == index) {
                    QLayoutItem *result = line.toolBarItems.takeAt(k).widgetItem;
                    if (line.toolBarItems.isEmpty())
                        dock.lines.removeAt(j);
                    return result;
                }
            }
        }
    }

    return 0;
}

void QToolBarAreaLayout::deleteAllLayoutItems()
{
    for (int i = 0; i < QInternal::DockCount; ++i) {
        QToolBarAreaLayoutInfo &dock = docks[i];

        for (int j = 0; j < dock.lines.count(); ++j) {
            QToolBarAreaLayoutLine &line = dock.lines[j];

            for (int k = 0; k < line.toolBarItems.count(); ++k) {
                QToolBarAreaLayoutItem &item = line.toolBarItems[k];
                delete item.widgetItem;
                item.widgetItem = 0;
            }
        }
    }
}

QInternal::DockPosition QToolBarAreaLayout::findToolBar(QToolBar *toolBar) const
{
    for (int i = 0; i < QInternal::DockCount; ++i) {
        const QToolBarAreaLayoutInfo &dock = docks[i];

        for (int j = 0; j < dock.lines.count(); ++j) {
            const QToolBarAreaLayoutLine &line = dock.lines.at(j);

            for (int k = 0; k < line.toolBarItems.count(); ++k) {
                if (line.toolBarItems.at(k).widgetItem->widget() == toolBar)
                    return static_cast<QInternal::DockPosition>(i);
            }
        }
    }

    return QInternal::DockCount;
}

void QToolBarAreaLayout::insertToolBar(QToolBar *before, QToolBar *toolBar)
{
    QInternal::DockPosition pos = findToolBar(before);
    if (pos == QInternal::DockCount)
        return;
    docks[pos].insertToolBar(before, toolBar);
}

void QToolBarAreaLayout::removeToolBar(QToolBar *toolBar)
{
    QInternal::DockPosition pos = findToolBar(toolBar);
    if (pos == QInternal::DockCount)
        return;
    docks[pos].removeToolBar(toolBar);
}

void QToolBarAreaLayout::addToolBar(QInternal::DockPosition pos, QToolBar *toolBar)
{
    docks[pos].insertToolBar(0, toolBar);
}

void QToolBarAreaLayout::insertToolBarBreak(QToolBar *before)
{
    QInternal::DockPosition pos = findToolBar(before);
    if (pos == QInternal::DockCount)
        return;
    docks[pos].insertToolBarBreak(before);
}

void QToolBarAreaLayout::removeToolBarBreak(QToolBar *before)
{
    QInternal::DockPosition pos = findToolBar(before);
    if (pos == QInternal::DockCount)
        return;
    docks[pos].removeToolBarBreak(before);
}

void QToolBarAreaLayout::addToolBarBreak(QInternal::DockPosition pos)
{
    docks[pos].insertToolBarBreak(0);
}

void QToolBarAreaLayout::apply(bool animate)
{
    QMainWindowLayout *layout = qobject_cast<QMainWindowLayout*>(mainWindow->layout());
    Q_ASSERT(layout != 0);

    Qt::LayoutDirection dir = mainWindow->layoutDirection();

    for (int i = 0; i < QInternal::DockCount; ++i) {
        const QToolBarAreaLayoutInfo &dock = docks[i];

        for (int j = 0; j < dock.lines.count(); ++j) {
            const QToolBarAreaLayoutLine &line = dock.lines.at(j);
            if (line.skip())
                continue;

            for (int k = 0; k < line.toolBarItems.count(); ++k) {
                const QToolBarAreaLayoutItem &item = line.toolBarItems.at(k);
                if (item.skip() || item.gap)
                    continue;

                QRect r;
                if (visible) {
                    if (line.o == Qt::Horizontal) {
                        r.setTop(line.rect.top());
                        r.setBottom(line.rect.bottom());
                        r.setLeft(line.rect.left() + item.pos);
                        r.setRight(line.rect.left() + item.pos + item.size - 1);
                    } else {
                        r.setLeft(line.rect.left());