Amebis/wxWidgets
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

setting one radio button to TRUE should reset all the others in the same group to FALSE

Browse Source 
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_4_BRANCH@17795 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2002-11-10 00:47:11 +00:00
parent bff010281d
commit 58072c4313
1 changed files with 50 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

50
src/msw/radiobut.cpp
View File

@@ -108,6 +108,56 @@ void wxRadioButton::SetValue(bool value)
// BST_CHECKED is defined as 1, BST_UNCHECKED as 0, so we can just pass
// value as is (we don't use BST_XXX here as they're not defined for Win16)
(void)::SendMessage(GetHwnd(), BM_SETCHECK, (WPARAM)value, 0L);
// if we set the value of one radio button we also must clear all the other
// buttons in the same group: Windows doesn't do it automatically
if ( value )
{
const wxWindowList& siblings = GetParent()->GetChildren();
wxWindowList::Node *nodeThis = siblings.Find(this);
wxCHECK_RET( nodeThis, _T("radio button not a child of its parent?") );
// turn off all radio buttons before this one
for ( wxWindowList::Node *nodeBefore = nodeThis->GetPrevious();
nodeBefore;
nodeBefore = nodeBefore->GetPrevious() )
{
wxRadioButton *btn = wxDynamicCast(nodeBefore->GetData(),
wxRadioButton);
if ( !btn )
{
// the radio buttons in a group must be consecutive, so there
// are no more of them
break;
}
btn->SetValue(FALSE);
if ( btn->HasFlag(wxRB_GROUP) )
{
// even if there are other radio buttons before this one,
// they're not in the same group with us
break;
}
}
// ... and all after this one
for ( wxWindowList::Node *nodeAfter = nodeThis->GetNext();
nodeAfter;
nodeAfter = nodeAfter->GetNext() )
{
wxRadioButton *btn = wxDynamicCast(nodeAfter->GetData(),
wxRadioButton);
if ( !btn || btn->HasFlag(wxRB_GROUP) )
{
// no more buttons or the first button of the next group
break;
}
btn->SetValue(FALSE);
}
}
}
bool wxRadioButton::GetValue() const