本文整理汇总了C++中QPtrListIterator::toFirst方法的典型用法代码示例。如果您正苦于以下问题：C++ QPtrListIterator::toFirst方法的具体用法？C++ QPtrListIterator::toFirst怎么用？C++ QPtrListIterator::toFirst使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类QPtrListIterator的用法示例。
在下文中一共展示了QPtrListIterator::toFirst方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: Draw
void UIListBtnType::Draw(QPainter *p, int order, int context, bool active_on)
{
if (!m_visible || hidden)
return;
if (!m_initialized)
Init();
if (m_order != order)
return;
if (m_context != -1 && m_context != context)
return;
// Put something on the LCD device (if one exists)
if (class LCD *lcddev = LCD::Get())
{
if (m_active)
{
// add max of lcd height menu items either side of the selected item
// let the lcdserver figure out which ones to display
QPtrList<LCDMenuItem> menuItems;
menuItems.setAutoDelete(true);
QPtrListIterator<UIListBtnTypeItem> it = (*m_selIterator);
uint count = 0;
// move back up the list a little
while (it.current() && count < lcddev->getLCDHeight())
{
--it;
++count;
}
if (!it.current())
it.toFirst();
count = 0;
while (it.current() && count < lcddev->getLCDHeight() * 2)
{
UIListBtnTypeItem *curItem = it.current();
QString msg = curItem->text();
bool selected;
CHECKED_STATE checkState = NOTCHECKABLE;
if (curItem->checkable())
{
if (curItem->state() == UIListBtnTypeItem::HalfChecked ||
curItem->state() == UIListBtnTypeItem::FullChecked)
checkState = CHECKED;
else
checkState = UNCHECKED;
}
if (curItem == m_selItem)
selected = true;
else
selected = false;
menuItems.append(new LCDMenuItem(selected, checkState, msg));
++it;
++count;
}
QString title = "";
if (m_parentListTree && m_parentListTree->getDepth() > 0)
title = "<< ";
else
title = " ";
if ((m_selItem && m_selItem->getDrawArrow()) || m_showArrow)
title += " >>";
else
title += " ";
if (!menuItems.isEmpty())
{
lcddev->switchToMenu(&menuItems, title);
}
}
}
fontProp* font = m_active ? m_fontActive : m_fontInactive;
if (!active_on)
{
font = m_fontInactive;
}
p->setFont(font->face);
p->setPen(font->color);
int x = m_rect.x() + m_xdrawoffset;
int y = m_rect.y();
QPtrListIterator<UIListBtnTypeItem> it = (*m_topIterator);
while (it.current() &&
(y - m_rect.y()) <= (m_contentsRect.height() - m_itemHeight))
{
if (active_on && it.current()->getOverrideInactive())
//.........这里部分代码省略.........
示例2: incSearchNext
bool UIListBtnType::incSearchNext(void)
{
if (!m_selItem)
{
return false;
}
//
// Move the active node to the node whose string value
// starts or contains the search text
//
QPtrListIterator<UIListBtnTypeItem> it = (*m_selIterator);
++it;
while (it.current())
{
if (m_bIncSearchContains)
{
if (it.current()->text().find(m_incSearch, 0, false) != -1)
break;
}
else
{
if (it.current()->text().startsWith(m_incSearch, false))
break;
}
++it;
}
// if it is NULL, we reached the end of the list. wrap to the
// beginning and try again
if (!it.current())
{
it.toFirst();
while (it.current())
{
// we're back at the current_node, which means there are no
// matching nodes
if (it.current() == m_selItem)
{
break;
}
if (m_bIncSearchContains)
{
if (it.current()->text().find(m_incSearch, 0, false) != -1)
break;
}
else
{
if (it.current()->text().startsWith(m_incSearch, false))
break;
}
++it;
}
}
if (it.current())
{
SetItemCurrent(it.current());
return true;
}
return false;
}