GWEN improvement: allow to navigate TreeControl and ComboBox using the cursor keys

This commit is contained in:
erwin coumans
2013-07-01 23:43:49 -07:00
parent 898f423f95
commit 0f78c696b5
14 changed files with 458 additions and 17 deletions

View File

@@ -71,4 +71,109 @@ void TreeControl::OnNodeSelection( Controls::Base* /*control*/ )
{
if ( !m_bAllowMultipleSelection || !Gwen::Input::IsKeyDown( Key::Control ) )
DeselectAll();
}
}
void TreeControl::iterate(int action, int* curIndex, int* targetIndex)
{
Base::List& children = m_InnerPanel->GetChildren();
for ( Base::List::iterator iter = children.begin(); iter != children.end(); ++iter )
{
TreeNode* pChild = (*iter)->DynamicCastTreeNode();
if ( !pChild )
continue;
pChild->iterate(action ,curIndex, targetIndex);
}
}
bool TreeControl::OnKeyUp( bool bDown )
{
if (bDown)
{
int maxIndex = 0;
int newIndex = 0;
int curIndex=0;
int targetIndex=-1;
iterate(ITERATE_ACTION_FIND_SELECTED_INDEX,&curIndex,&targetIndex);
maxIndex = curIndex;
if (targetIndex>0)
{
curIndex=0;
int deselectIndex = targetIndex;
targetIndex--;
newIndex = targetIndex;
iterate(ITERATE_ACTION_SELECT,&curIndex,&targetIndex);
if (targetIndex<0)
{
curIndex=0;
iterate(ITERATE_ACTION_DESELECT_INDEX,&curIndex,&deselectIndex);
}
float amount = float(newIndex)/float(maxIndex);
m_ScrollControl->m_VerticalScrollBar->SetScrolledAmount(amount,true);
}
}
return true;
}
bool TreeControl::OnKeyDown( bool bDown )
{
if (bDown)
{
int maxIndex = 0;
int newIndex = 0;
int curIndex=0;
int targetIndex=-1;
iterate(ITERATE_ACTION_FIND_SELECTED_INDEX,&curIndex,&targetIndex);
maxIndex = curIndex;
if (targetIndex>=0)
{
curIndex=0;
int deselectIndex = targetIndex;
targetIndex++;
newIndex = targetIndex;
iterate(ITERATE_ACTION_SELECT,&curIndex,&targetIndex);
if (targetIndex<0)
{
curIndex=0;
iterate(ITERATE_ACTION_DESELECT_INDEX,&curIndex,&deselectIndex);
}
float amount = float(newIndex)/float(maxIndex);
m_ScrollControl->m_VerticalScrollBar->SetScrolledAmount(amount,true);
}
}
return true;
}
bool TreeControl::OnKeyRight( bool bDown )
{
if (bDown)
{
iterate(ITERATE_ACTION_OPEN,0,0);
int curIndex=0;
int targetIndex=0;
iterate(ITERATE_ACTION_FIND_SELECTED_INDEX,&curIndex,&targetIndex);
float amount = float(targetIndex)/float(curIndex);
m_ScrollControl->m_VerticalScrollBar->SetScrolledAmount(amount,true);
}
return true;
}
bool TreeControl::OnKeyLeft( bool bDown )
{
if (bDown)
{
iterate(ITERATE_ACTION_CLOSE,0,0);
int curIndex=0;
int targetIndex=0;
iterate(ITERATE_ACTION_FIND_SELECTED_INDEX,&curIndex,&targetIndex);
float amount = float(targetIndex)/float(curIndex);
m_ScrollControl->m_VerticalScrollBar->SetScrolledAmount(amount,true);
}
return true;
}