reset the tooltip text before changing it, this apparently prevents a spurious redraw...

[wxWidgets.git] / src / common / treebase.cpp

diff --git a/src/common/treebase.cpp b/src/common/treebase.cpp
index 454f882010d0f1897b133564664a0b1618c53aa4..8ae07d6a8f38425531eba5a70908cd257d126ec1 100644 (file)
--- a/src/common/treebase.cpp
+++ b/src/common/treebase.cpp
@@ -26,40 +26,34 @@
 
 #if wxUSE_TREECTRL
 
 
 #if wxUSE_TREECTRL
 

-#include "wx/treebase.h"
-#include "wx/settings.h"
-#include "wx/log.h"
-#include "wx/intl.h"
-#include "wx/dynarray.h"
-#include "wx/arrimpl.cpp"
-#include "wx/dcclient.h"
-
+#include "wx/treectrl.h"
+#include "wx/imaglist.h"

 
 // ----------------------------------------------------------------------------
 // events
 // ----------------------------------------------------------------------------
 
 
 // ----------------------------------------------------------------------------
 // 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
 
 // ----------------------------------------------------------------------------
 // Tree event


@@ -67,6 +61,19 @@ DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_ITEM_MENU)
 
 IMPLEMENT_DYNAMIC_CLASS(wxTreeEvent, wxNotifyEvent)
 
 
 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)
 
 wxTreeEvent::wxTreeEvent(wxEventType commandType, int id)
            : wxNotifyEvent(commandType, id)


@@ -86,5 +93,174 @@ wxTreeEvent::wxTreeEvent(const wxTreeEvent & event)
     m_editCancelled = event.m_editCancelled;
 }
 
     m_editCancelled = event.m_editCancelled;
 }
 

-#endif // wxUSE_TREECTRL
+// ----------------------------------------------------------------------------
+// wxTreeCtrlBase
+// ----------------------------------------------------------------------------
+
+wxTreeCtrlBase::~wxTreeCtrlBase()
+{
+    if (m_ownsImageListNormal)
+        delete m_imageListNormal;
+    if (m_ownsImageListState)
+        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

 
 

+    if (GetQuickBestSize())
+    {
+        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 ( 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;
+}
+
+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