C++ (Cpp) sigMinimumHeightHintChanged示例

示例#1

文件： UIGChooserItem.cpp 项目： VirtualMonitor/VirtualMonitor

void UIGChooserItem::updateGeometry()
{
    /* Call to base-class: */
    QIGraphicsWidget::updateGeometry();

    /* Update parent's geometry: */
    if (parentItem())
        parentItem()->updateGeometry();

    /* Special handling for root-items: */
    if (isRoot())
    {
        /* Root-item should notify chooser-view if minimum-width-hint was changed: */
        int iMinimumWidthHint = minimumWidthHint();
        if (m_iPreviousMinimumWidthHint != iMinimumWidthHint)
        {
            /* Save new minimum-width-hint, notify listener: */
            m_iPreviousMinimumWidthHint = iMinimumWidthHint;
            emit sigMinimumWidthHintChanged(m_iPreviousMinimumWidthHint);
        }
        /* Root-item should notify chooser-view if minimum-height-hint was changed: */
        int iMinimumHeightHint = minimumHeightHint();
        if (m_iPreviousMinimumHeightHint != iMinimumHeightHint)
        {
            /* Save new minimum-height-hint, notify listener: */
            m_iPreviousMinimumHeightHint = iMinimumHeightHint;
            emit sigMinimumHeightHintChanged(m_iPreviousMinimumHeightHint);
        }
    }
}

示例#2

文件： UIDetailsGroup.cpp 项目： mdaniel/virtualbox-org-svn-vbox-trunk

void UIDetailsGroup::updateGeometry()
{
    /* Call to base class: */
    UIDetailsItem::updateGeometry();

    /* Group-item should notify details-view if minimum-width-hint was changed: */
    int iMinimumWidthHint = minimumWidthHint();
    if (m_iPreviousMinimumWidthHint != iMinimumWidthHint)
    {
        /* Save new minimum-width-hint, notify listener: */
        m_iPreviousMinimumWidthHint = iMinimumWidthHint;
        emit sigMinimumWidthHintChanged(m_iPreviousMinimumWidthHint);
    }
    /* Group-item should notify details-view if minimum-height-hint was changed: */
    int iMinimumHeightHint = minimumHeightHint();
    if (m_iPreviousMinimumHeightHint != iMinimumHeightHint)
    {
        /* Save new minimum-height-hint, notify listener: */
        m_iPreviousMinimumHeightHint = iMinimumHeightHint;
        emit sigMinimumHeightHintChanged(m_iPreviousMinimumHeightHint);
    }
}