#if wxUSE_TREECTRL
#include "wx/treectrl.h"
+#include "wx/imaglist.h"
// ----------------------------------------------------------------------------
// events
// ----------------------------------------------------------------------------
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_BEGIN_DRAG)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_BEGIN_RDRAG)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_BEGIN_LABEL_EDIT)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_END_LABEL_EDIT)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_DELETE_ITEM)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_GET_INFO)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_SET_INFO)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_ITEM_EXPANDED)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_ITEM_EXPANDING)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_ITEM_COLLAPSED)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_ITEM_COLLAPSING)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_SEL_CHANGED)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_SEL_CHANGING)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_KEY_DOWN)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_ITEM_ACTIVATED)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_ITEM_RIGHT_CLICK)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_ITEM_MIDDLE_CLICK)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_END_DRAG)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_STATE_IMAGE_CLICK)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_ITEM_GETTOOLTIP)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_ITEM_MENU)
+wxDEFINE_EVENT( wxEVT_COMMAND_TREE_BEGIN_DRAG, wxTreeEvent )
+wxDEFINE_EVENT( wxEVT_COMMAND_TREE_BEGIN_RDRAG, wxTreeEvent )
+wxDEFINE_EVENT( wxEVT_COMMAND_TREE_BEGIN_LABEL_EDIT, wxTreeEvent )
+wxDEFINE_EVENT( wxEVT_COMMAND_TREE_END_LABEL_EDIT, wxTreeEvent )
+wxDEFINE_EVENT( wxEVT_COMMAND_TREE_DELETE_ITEM, wxTreeEvent )
+wxDEFINE_EVENT( wxEVT_COMMAND_TREE_GET_INFO, wxTreeEvent )
+wxDEFINE_EVENT( wxEVT_COMMAND_TREE_SET_INFO, wxTreeEvent )
+wxDEFINE_EVENT( wxEVT_COMMAND_TREE_ITEM_EXPANDED, wxTreeEvent )
+wxDEFINE_EVENT( wxEVT_COMMAND_TREE_ITEM_EXPANDING, wxTreeEvent )
+wxDEFINE_EVENT( wxEVT_COMMAND_TREE_ITEM_COLLAPSED, wxTreeEvent )
+wxDEFINE_EVENT( wxEVT_COMMAND_TREE_ITEM_COLLAPSING, wxTreeEvent )
+wxDEFINE_EVENT( wxEVT_COMMAND_TREE_SEL_CHANGED, wxTreeEvent )
+wxDEFINE_EVENT( wxEVT_COMMAND_TREE_SEL_CHANGING, wxTreeEvent )
+wxDEFINE_EVENT( wxEVT_COMMAND_TREE_KEY_DOWN, wxTreeEvent )
+wxDEFINE_EVENT( wxEVT_COMMAND_TREE_ITEM_ACTIVATED, wxTreeEvent )
+wxDEFINE_EVENT( wxEVT_COMMAND_TREE_ITEM_RIGHT_CLICK, wxTreeEvent )
+wxDEFINE_EVENT( wxEVT_COMMAND_TREE_ITEM_MIDDLE_CLICK, wxTreeEvent )
+wxDEFINE_EVENT( wxEVT_COMMAND_TREE_END_DRAG, wxTreeEvent )
+wxDEFINE_EVENT( wxEVT_COMMAND_TREE_STATE_IMAGE_CLICK, wxTreeEvent )
+wxDEFINE_EVENT( wxEVT_COMMAND_TREE_ITEM_GETTOOLTIP, wxTreeEvent )
+wxDEFINE_EVENT( wxEVT_COMMAND_TREE_ITEM_MENU, wxTreeEvent )
// ----------------------------------------------------------------------------
// Tree event
IMPLEMENT_DYNAMIC_CLASS(wxTreeEvent, wxNotifyEvent)
+wxTreeEvent::wxTreeEvent(wxEventType commandType,
+ wxTreeCtrlBase *tree,
+ const wxTreeItemId& item)
+ : wxNotifyEvent(commandType, tree->GetId()),
+ m_item(item)
+{
+ m_editCancelled = false;
+
+ SetEventObject(tree);
+
+ if ( item.IsOk() )
+ SetClientObject(tree->GetItemData(item));
+}
wxTreeEvent::wxTreeEvent(wxEventType commandType, int id)
: wxNotifyEvent(commandType, id)
delete m_imageListState;
}
+void wxTreeCtrlBase::SetItemState(const wxTreeItemId& item, int state)
+{
+ if ( state == wxTREE_ITEMSTATE_NEXT )
+ {
+ int current = GetItemState(item);
+ if ( current == wxTREE_ITEMSTATE_NONE )
+ return;
+ state = current + 1;
+ if ( m_imageListState && state >= m_imageListState->GetImageCount() )
+ state = 0;
+ }
+ else if ( state == wxTREE_ITEMSTATE_PREV )
+ {
+ int current = GetItemState(item);
+ if ( current == wxTREE_ITEMSTATE_NONE )
+ return;
+ state = current - 1;
+ if ( state == -1 )
+ state = m_imageListState ? m_imageListState->GetImageCount() - 1 : 0;
+ }
+ // else: wxTREE_ITEMSTATE_NONE depending on platform
+
+ DoSetItemState(item, state);
+}
+
+static void
+wxGetBestTreeSize(const wxTreeCtrlBase* treeCtrl, wxTreeItemId id, wxSize& size)
+{
+ wxRect rect;
+
+ if ( treeCtrl->GetBoundingRect(id, rect, true /* just the item */) )
+ {
+ // Translate to logical position so we get the full extent
+#if defined(__WXMSW__) && !defined(__WXUNIVERSAL__)
+ rect.x += treeCtrl->GetScrollPos(wxHORIZONTAL);
+ rect.y += treeCtrl->GetScrollPos(wxVERTICAL);
+#endif
+
+ size.IncTo(wxSize(rect.GetRight(), rect.GetBottom()));
+ }
+
+ wxTreeItemIdValue cookie;
+ for ( wxTreeItemId item = treeCtrl->GetFirstChild(id, cookie);
+ item.IsOk();
+ item = treeCtrl->GetNextChild(id, cookie) )
+ {
+ wxGetBestTreeSize(treeCtrl, item, size);
+ }
+}
+
wxSize wxTreeCtrlBase::DoGetBestSize() const
{
wxSize size;
// this doesn't really compute the total bounding rectangle of all items
// but a not too bad guess of it which has the advantage of not having to
// examine all (potentially hundreds or thousands) items in the control
- for ( wxTreeItemId item = GetRootItem();
- item.IsOk();
- item = GetLastChild(item) )
- {
- wxRect rect;
- // last parameter is "true" to get only the dimensions of the text
- // label, we don't want to get the entire item width as it's determined
- // by the current size
- if ( GetBoundingRect(item, rect, true) )
+ if (GetQuickBestSize())
+ {
+ for ( wxTreeItemId item = GetRootItem();
+ item.IsOk();
+ item = GetLastChild(item) )
{
- if ( size.x < rect.x + rect.width )
- size.x = rect.x + rect.width;
- if ( size.y < rect.y + rect.height )
- size.y = rect.y + rect.height;
+ wxRect rect;
+
+ // last parameter is "true" to get only the dimensions of the text
+ // label, we don't want to get the entire item width as it's determined
+ // by the current size
+ if ( GetBoundingRect(item, rect, true) )
+ {
+ if ( size.x < rect.x + rect.width )
+ size.x = rect.x + rect.width;
+ if ( size.y < rect.y + rect.height )
+ size.y = rect.y + rect.height;
+ }
}
}
+ else // use precise, if potentially slow, size computation method
+ {
+ // iterate over all items recursively
+ wxTreeItemId idRoot = GetRootItem();
+ if ( idRoot.IsOk() )
+ wxGetBestTreeSize(this, idRoot, size);
+ }
// need some minimal size even for empty tree
if ( !size.x || !size.y )
size = wxControl::DoGetBestSize();
+ else
+ {
+ // Add border size
+ size += GetWindowBorderSize();
+
+ CacheBestSize(size);
+ }
return size;
}
-#endif // wxUSE_TREECTRL
+void wxTreeCtrlBase::ExpandAll()
+{
+ if ( IsEmpty() )
+ return;
+
+ ExpandAllChildren(GetRootItem());
+}
+
+void wxTreeCtrlBase::ExpandAllChildren(const wxTreeItemId& item)
+{
+ Freeze();
+ // expand this item first, this might result in its children being added on
+ // the fly
+ if ( item != GetRootItem() || !HasFlag(wxTR_HIDE_ROOT) )
+ Expand(item);
+ //else: expanding hidden root item is unsupported and unnecessary
+
+ // then (recursively) expand all the children
+ wxTreeItemIdValue cookie;
+ for ( wxTreeItemId idCurr = GetFirstChild(item, cookie);
+ idCurr.IsOk();
+ idCurr = GetNextChild(item, cookie) )
+ {
+ ExpandAllChildren(idCurr);
+ }
+ Thaw();
+}
+void wxTreeCtrlBase::CollapseAll()
+{
+ if ( IsEmpty() )
+ return;
+
+ CollapseAllChildren(GetRootItem());
+}
+
+void wxTreeCtrlBase::CollapseAllChildren(const wxTreeItemId& item)
+{
+ Freeze();
+ // first (recursively) collapse all the children
+ wxTreeItemIdValue cookie;
+ for ( wxTreeItemId idCurr = GetFirstChild(item, cookie);
+ idCurr.IsOk();
+ idCurr = GetNextChild(item, cookie) )
+ {
+ CollapseAllChildren(idCurr);
+ }
+
+ // then collapse this element too
+ Collapse(item);
+ Thaw();
+}
+
+bool wxTreeCtrlBase::IsEmpty() const
+{
+ return !GetRootItem().IsOk();
+}
+
+#endif // wxUSE_TREECTRL
projects / wxWidgets.git / blobdiff