本文整理汇总了C++中wxHelpEvent::GetOrigin方法的典型用法代码示例。如果您正苦于以下问题:C++ wxHelpEvent::GetOrigin方法的具体用法?C++ wxHelpEvent::GetOrigin怎么用?C++ wxHelpEvent::GetOrigin使用的例子?那么恭喜您, 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wxHelpEvent
的用法示例。
在下文中一共展示了wxHelpEvent::GetOrigin方法的1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: OnHelp
void wxBookCtrlBase::OnHelp(wxHelpEvent& event)
{
// determine where does this even originate from to avoid redirecting it
// back to the page which generated it (resulting in an infinite loop)
// notice that we have to check in the hard(er) way instead of just testing
// if the event object == this because the book control can have other
// subcontrols inside it (e.g. wxSpinButton in case of a notebook in wxUniv)
wxWindow *source = wxStaticCast(event.GetEventObject(), wxWindow);
while ( source && source != this && source->GetParent() != this )
{
source = source->GetParent();
}
if ( source && m_pages.Index(source) == wxNOT_FOUND )
{
// this event is for the book control itself, redirect it to the
// corresponding page
wxWindow *page = NULL;
if ( event.GetOrigin() == wxHelpEvent::Origin_HelpButton )
{
// show help for the page under the mouse
const int pagePos = HitTest(ScreenToClient(event.GetPosition()));
if ( pagePos != wxNOT_FOUND)
{
page = GetPage((size_t)pagePos);
}
}
else // event from keyboard or unknown source
{
// otherwise show the current page help
page = GetCurrentPage();
}
if ( page )
{
// change event object to the page to avoid infinite recursion if
// we get this event ourselves if the page doesn't handle it
event.SetEventObject(page);
if ( page->GetEventHandler()->ProcessEvent(event) )
{
// don't call event.Skip()
return;
}
}
}
//else: event coming from one of our pages already
event.Skip();
}