// array types
// -----------------------------------------------------------------------------
-class WXDLLEXPORT wxGenericTreeItem;
+class WXDLLIMPEXP_FWD_CORE wxGenericTreeItem;
WX_DEFINE_EXPORTED_ARRAY_PTR(wxGenericTreeItem *, wxArrayGenericTreeItems);
public:
wxTreeTextCtrl(wxGenericTreeCtrl *owner, wxGenericTreeItem *item);
- void EndEdit(bool discardChanges = false)
- {
- if ( discardChanges )
- {
- StopEditing();
- }
- else
- {
- m_aboutToFinish = true;
-
- // Notify the owner about the changes
- AcceptChanges();
-
- // Even if vetoed, close the control (consistent with MSW)
- Finish();
- }
- }
-
- void StopEditing()
- {
- Finish();
- m_owner->OnRenameCancelled(m_itemEdited);
- }
+ void EndEdit( bool discardChanges );
+
const wxGenericTreeItem* item() const { return m_itemEdited; }
protected:
void OnKillFocus( wxFocusEvent &event );
bool AcceptChanges();
- void Finish();
+ void Finish( bool setfocus );
private:
wxGenericTreeCtrl *m_owner;
wxGenericTreeItem *m_itemEdited;
wxString m_startValue;
- bool m_finished;
bool m_aboutToFinish;
DECLARE_EVENT_TABLE()
: m_itemEdited(item), m_startValue(item->GetText())
{
m_owner = owner;
- m_finished = false;
m_aboutToFinish = false;
int w = m_itemEdited->GetWidth(),
wxPoint(x - 4, y - 4), wxSize(w + 11, h + 8));
}
+void wxTreeTextCtrl::EndEdit(bool discardChanges)
+{
+ m_aboutToFinish = true;
+
+ if ( discardChanges )
+ {
+ m_owner->OnRenameCancelled(m_itemEdited);
+
+ Finish( true );
+ }
+ else
+ {
+ // Notify the owner about the changes
+ AcceptChanges();
+
+ // Even if vetoed, close the control (consistent with MSW)
+ Finish( true );
+ }
+}
+
bool wxTreeTextCtrl::AcceptChanges()
{
const wxString value = GetValue();
return true;
}
-void wxTreeTextCtrl::Finish()
+void wxTreeTextCtrl::Finish( bool setfocus )
{
- if ( !m_finished )
- {
- m_owner->ResetTextControl();
+ m_owner->ResetTextControl();
- wxPendingDelete.Append(this);
-
- m_finished = true;
+ wxPendingDelete.Append(this);
+ if (setfocus)
m_owner->SetFocus();
- }
}
void wxTreeTextCtrl::OnChar( wxKeyEvent &event )
switch ( event.m_keyCode )
{
case WXK_RETURN:
- EndEdit();
+ EndEdit( false );
break;
case WXK_ESCAPE:
- StopEditing();
+ EndEdit( true );
break;
default:
void wxTreeTextCtrl::OnKeyUp( wxKeyEvent &event )
{
- if ( !m_finished )
+ if ( !m_aboutToFinish )
{
// auto-grow the textctrl:
wxSize parentSize = m_owner->GetSize();
void wxTreeTextCtrl::OnKillFocus( wxFocusEvent &event )
{
- if ( !m_finished && !m_aboutToFinish )
+ if ( !m_aboutToFinish )
{
- // We must finish regardless of success, otherwise we'll get
- // focus problems:
- Finish();
-
if ( !AcceptChanges() )
m_owner->OnRenameCancelled( m_itemEdited );
+
+ Finish( false );
}
- // We must let the native text control handle focus, too, otherwise
- // it could have problems with the cursor (e.g., in wxGTK).
+ // We should let the native text control handle focus, too.
event.Skip();
}
void wxGenericTreeItem::DeleteChildren(wxGenericTreeCtrl *tree)
{
- size_t count = m_children.Count();
+ size_t count = m_children.GetCount();
for ( size_t n = 0; n < count; n++ )
{
wxGenericTreeItem *child = m_children[n];
size_t wxGenericTreeItem::GetChildrenCount(bool recursively) const
{
- size_t count = m_children.Count();
+ size_t count = m_children.GetCount();
if ( !recursively )
return count;
if (IsExpanded())
{
- size_t count = m_children.Count();
+ size_t count = m_children.GetCount();
for ( size_t n = 0; n < count; ++n )
{
m_children[n]->GetSize( x, y, theButton );
}
// evaluate children
- size_t count = m_children.Count();
+ size_t count = m_children.GetCount();
for ( size_t n = 0; n < count; n++ )
{
wxGenericTreeItem *res = m_children[n]->HitTest( point,
BEGIN_EVENT_TABLE(wxGenericTreeCtrl, wxTreeCtrlBase)
EVT_PAINT (wxGenericTreeCtrl::OnPaint)
+ EVT_SIZE (wxGenericTreeCtrl::OnSize)
EVT_MOUSE_EVENTS (wxGenericTreeCtrl::OnMouse)
EVT_CHAR (wxGenericTreeCtrl::OnChar)
EVT_SET_FOCUS (wxGenericTreeCtrl::OnSetFocus)
m_textCtrl = NULL;
m_renameTimer = NULL;
- m_freezeCount = 0;
m_findTimer = NULL;
m_lastOnSame = false;
-#ifdef __WXMAC_CARBON__
- m_normalFont.MacCreateThemeFont( kThemeViewsFont ) ;
+#ifdef __WXMAC__
+ m_normalFont.MacCreateFromThemeFont( kThemeViewsFont ) ;
#else
m_normalFont = wxSystemSettings::GetFont( wxSYS_DEFAULT_GUI_FONT );
#endif
style |= wxTR_NO_LINES;
if (major < 10)
style |= wxTR_ROW_LINES;
+
+ if (style == 0 || style & wxTR_DEFAULT_STYLE)
+ style |= wxTR_FULL_ROW_HIGHLIGHT;
+
#endif // __WXMAC__
+#ifdef __WXGTK20__
+ style |= wxTR_NO_LINES;
+#endif
if ( !wxControl::Create( parent, id, pos, size,
style|wxHSCROLL|wxVSCROLL,
if (!m_hasFont)
SetOwnFont(attr.font);
- m_dottedPen = wxPen( wxT("grey"), 0, 0 );
+ // this is a misnomer: it's called "dotted pen" but uses (default) wxSOLID
+ // style because we apparently get performance problems when using dotted
+ // pen for drawing in some ports -- but under MSW it seems to work fine
+#ifdef __WXMSW__
+ m_dottedPen = wxPen(*wxLIGHT_GREY, 0, wxDOT);
+#else
+ m_dottedPen = *wxGREY_PEN;
+#endif
- SetBestSize(size);
+ SetInitialSize(size);
return true;
}
// it's ok to cast cookie to size_t, we never have indices big enough to
// overflow "void *"
size_t *pIndex = (size_t *)&cookie;
- if ( *pIndex < children.Count() )
+ if ( *pIndex < children.GetCount() )
{
return children.Item((*pIndex)++);
}
}
}
-#if WXWIN_COMPATIBILITY_2_4
-
-wxTreeItemId wxGenericTreeCtrl::GetFirstChild(const wxTreeItemId& item,
- long& cookie) const
-{
- wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
-
- cookie = 0;
- return GetNextChild(item, cookie);
-}
-
-wxTreeItemId wxGenericTreeCtrl::GetNextChild(const wxTreeItemId& item,
- long& cookie) const
-{
- wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
-
- wxArrayGenericTreeItems& children = ((wxGenericTreeItem*) item.m_pItem)->GetChildren();
- if ( (size_t)cookie < children.Count() )
- {
- return children.Item((size_t)cookie++);
- }
- else
- {
- // there are no more of them
- return wxTreeItemId();
- }
-}
-
-#endif // WXWIN_COMPATIBILITY_2_4
-
wxTreeItemId wxGenericTreeCtrl::GetLastChild(const wxTreeItemId& item) const
{
wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
wxASSERT( index != wxNOT_FOUND ); // I'm not a child of my parent?
size_t n = (size_t)(index + 1);
- return n == siblings.Count() ? wxTreeItemId() : wxTreeItemId(siblings[n]);
+ return n == siblings.GetCount() ? wxTreeItemId() : wxTreeItemId(siblings[n]);
}
wxTreeItemId wxGenericTreeCtrl::GetPrevSibling(const wxTreeItemId& item) const
wxTreeItemId wxGenericTreeCtrl::GetNextVisible(const wxTreeItemId& item) const
{
wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
+ wxASSERT_MSG( IsVisible(item), wxT("this item itself should be visible") );
wxTreeItemId id = item;
if (id.IsOk())
wxTreeItemId wxGenericTreeCtrl::GetPrevVisible(const wxTreeItemId& item) const
{
wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
+ wxASSERT_MSG( IsVisible(item), wxT("this item itself should be visible") );
- wxFAIL_MSG(wxT("not implemented"));
+ // find out the starting point
+ wxTreeItemId prevItem = GetPrevSibling(item);
+ if ( !prevItem.IsOk() )
+ {
+ prevItem = GetItemParent(item);
+ }
- return wxTreeItemId();
+ // find the first visible item after it
+ while ( prevItem.IsOk() && !IsVisible(prevItem) )
+ {
+ prevItem = GetNext(prevItem);
+ if ( !prevItem.IsOk() || prevItem == item )
+ {
+ // there are no visible items before item
+ return wxTreeItemId();
+ }
+ }
+
+ // from there we must be able to navigate until this item
+ while ( prevItem.IsOk() )
+ {
+ const wxTreeItemId nextItem = GetNextVisible(prevItem);
+ if ( !nextItem.IsOk() || nextItem == item )
+ break;
+
+ prevItem = nextItem;
+ }
+
+ return prevItem;
}
// called by wxTextTreeCtrl when it marks itself for deletion
}
// and try all the items (stop when we get to the one we started from)
- while ( id != idParent && !GetItemText(id).Lower().StartsWith(prefix) )
+ while (id.IsOk() && id != idParent && !GetItemText(id).Lower().StartsWith(prefix) )
{
id = GetNext(id);
}
+ // If we haven't found the item, id.IsOk() will be false, as per
+ // documentation
}
return id;
parent->Insert( item, previous == (size_t)-1 ? parent->GetChildren().size()
: previous );
+ InvalidateBestSize();
return item;
}
m_current->SetHilight( true );
}
+ InvalidateBestSize();
return m_anchor;
}
void wxGenericTreeCtrl::SendDeleteEvent(wxGenericTreeItem *item)
{
wxTreeEvent event(wxEVT_COMMAND_TREE_DELETE_ITEM, this, item);
- ProcessEvent( event );
+ GetEventHandler()->ProcessEvent( event );
}
// Don't leave edit or selection on a child which is about to disappear
void wxGenericTreeCtrl::ChildrenClosing(wxGenericTreeItem* item)
{
if (m_textCtrl != NULL && item != m_textCtrl->item() && IsDescendantOf(item, m_textCtrl->item())) {
- m_textCtrl->StopEditing();
+ m_textCtrl->EndEdit( true );
}
if (item != m_key_current && IsDescendantOf(item, m_key_current)) {
m_key_current = NULL;
wxGenericTreeItem *item = (wxGenericTreeItem*) itemId.m_pItem;
ChildrenClosing(item);
item->DeleteChildren(this);
+ InvalidateBestSize();
}
void wxGenericTreeCtrl::Delete(const wxTreeItemId& itemId)
if (m_textCtrl != NULL && IsDescendantOf(item, m_textCtrl->item()))
{
// can't delete the item being edited, cancel editing it first
- m_textCtrl->StopEditing();
+ m_textCtrl->EndEdit( true );
}
wxGenericTreeItem *parent = item->GetParent();
m_select_me = NULL;
delete item;
+
+ InvalidateBestSize();
}
void wxGenericTreeCtrl::DeleteAllItems()
wxTreeEvent event(wxEVT_COMMAND_TREE_ITEM_EXPANDING, this, item);
- if ( ProcessEvent( event ) && !event.IsAllowed() )
+ if ( GetEventHandler()->ProcessEvent( event ) && !event.IsAllowed() )
{
// cancelled by program
return;
}
item->Expand();
- CalculatePositions();
+ if ( !IsFrozen() )
+ {
+ CalculatePositions();
- RefreshSubtree(item);
+ RefreshSubtree(item);
+ }
+ else // frozen
+ {
+ m_dirty = true;
+ }
event.SetEventType(wxEVT_COMMAND_TREE_ITEM_EXPANDED);
- ProcessEvent( event );
+ GetEventHandler()->ProcessEvent( event );
}
void wxGenericTreeCtrl::Collapse(const wxTreeItemId& itemId)
return;
wxTreeEvent event(wxEVT_COMMAND_TREE_ITEM_COLLAPSING, this, item);
- if ( ProcessEvent( event ) && !event.IsAllowed() )
+ if ( GetEventHandler()->ProcessEvent( event ) && !event.IsAllowed() )
{
// cancelled by program
return;
#if 0 // TODO why should items be collapsed recursively?
wxArrayGenericTreeItems& children = item->GetChildren();
- size_t count = children.Count();
+ size_t count = children.GetCount();
for ( size_t n = 0; n < count; n++ )
{
Collapse(children[n]);
RefreshSubtree(item);
event.SetEventType(wxEVT_COMMAND_TREE_ITEM_COLLAPSED);
- ProcessEvent( event );
+ GetEventHandler()->ProcessEvent( event );
}
void wxGenericTreeCtrl::CollapseAndReset(const wxTreeItemId& item)
if (item->HasChildren())
{
wxArrayGenericTreeItems& children = item->GetChildren();
- size_t count = children.Count();
+ size_t count = children.GetCount();
for ( size_t n = 0; n < count; ++n )
{
UnselectAllChildren(children[n]);
int index = children.Index(crt_item);
wxASSERT( index != wxNOT_FOUND ); // I'm not a child of my parent?
- size_t count = children.Count();
+ size_t count = children.GetCount();
for (size_t n=(size_t)(index+1); n<count; ++n)
{
if (TagAllChildrenUntilLast(children[n], last_item, select)) return true;
if (crt_item->HasChildren())
{
wxArrayGenericTreeItems& children = crt_item->GetChildren();
- size_t count = children.Count();
+ size_t count = children.GetCount();
for ( size_t n = 0; n < count; ++n )
{
if (TagAllChildrenUntilLast(children[n], last_item, select))
{
wxGenericTreeItem *item = (wxGenericTreeItem*) itemId.m_pItem;
wxCHECK_RET( item, wxT("SelectItem(): invalid tree item") );
-
+
wxTreeEvent event(wxEVT_COMMAND_TREE_SEL_CHANGING, this, item);
if ( GetEventHandler()->ProcessEvent( event ) && !event.IsAllowed() )
return;
item->SetHilight(false);
RefreshLine(item);
-
+
event.SetEventType(wxEVT_COMMAND_TREE_SEL_CHANGED);
GetEventHandler()->ProcessEvent( event );
}
}
//else: the tree is empty, so no selections
- return array.Count();
+ return array.GetCount();
}
void wxGenericTreeCtrl::EnsureVisible(const wxTreeItemId& item)
wxT("wxGenericTreeCtrl::SortChildren is not reentrant") );
wxArrayGenericTreeItems& children = item->GetChildren();
- if ( children.Count() > 1 )
+ if ( children.GetCount() > 1 )
{
m_dirty = true;
else if (item->IsBold())
dc.SetFont(m_boldFont);
- long text_w = 0, text_h = 0;
+ wxCoord text_w = 0, text_h = 0;
dc.GetTextExtent( item->GetText(), &text_w, &text_h );
int image_h = 0, image_w = 0;
if ( item->IsSelected() )
{
-// under mac selections are only a rectangle in case they don't have the focus
-#ifdef __WXMAC__
- if ( !m_hasFocus )
- {
- dc.SetBrush( *wxTRANSPARENT_BRUSH ) ;
- dc.SetPen( wxPen( wxSystemSettings::GetColour( wxSYS_COLOUR_HIGHLIGHT ) , 1 , wxSOLID ) ) ;
- }
- else
- {
- dc.SetBrush( *m_hilightBrush ) ;
- }
-#else
dc.SetBrush(*(m_hasFocus ? m_hilightBrush : m_hilightUnfocusedBrush));
-#endif
drawItemBackground = true;
}
else
if ( HasFlag(wxTR_FULL_ROW_HIGHLIGHT) )
{
- int x, y, w, h;
-
- DoGetPosition(&x, &y);
- DoGetSize(&w, &h);
- dc.DrawRectangle(x, item->GetY()+offset, w, total_h-offset);
+ int x, w, h;
+ x=0;
+ GetVirtualSize(&w, &h);
+ wxRect rect( x, item->GetY()+offset, w, total_h-offset);
+#if !defined(__WXGTK20__) && !defined(__WXMAC__)
+ dc.DrawRectangle(rect);
+#else
+ if (!item->IsSelected())
+ {
+ dc.DrawRectangle(rect);
+ }
+ else
+ {
+ int flags = wxCONTROL_SELECTED;
+ if (m_hasFocus
+#if defined( __WXMAC__ ) && !defined(__WXUNIVERSAL__)
+ && IsControlActive( (ControlRef)GetHandle() )
+#endif
+ )
+ flags |= wxCONTROL_FOCUSED;
+ if ((item == m_current) && (m_hasFocus))
+ flags |= wxCONTROL_CURRENT;
+ wxRendererNative::Get().DrawItemSelectionRect( this, dc, rect, flags );
+ }
+#endif
}
else
{
// If it's selected, and there's an image, then we should
// take care to leave the area under the image painted in the
// background colour.
- dc.DrawRectangle( item->GetX() + image_w - 2, item->GetY()+offset,
- item->GetWidth() - image_w + 2, total_h-offset );
+ wxRect rect( item->GetX() + image_w - 2, item->GetY()+offset,
+ item->GetWidth() - image_w + 2, total_h-offset );
+#if !defined(__WXGTK20__) && !defined(__WXMAC__)
+ dc.DrawRectangle( rect );
+#else
+ rect.x -= 1;
+ rect.width += 2;
+
+ int flags = wxCONTROL_SELECTED;
+ if (m_hasFocus)
+ flags |= wxCONTROL_FOCUSED;
+ if ((item == m_current) && (m_hasFocus))
+ flags |= wxCONTROL_CURRENT;
+ wxRendererNative::Get().DrawItemSelectionRect( this, dc, rect, flags );
+#endif
}
// On GTK+ 2, drawing a 'normal' background is wrong for themes that
// don't allow backgrounds to be customized. Not drawing the background,
// except for custom item backgrounds, works for both kinds of theme.
else if (drawItemBackground)
{
- dc.DrawRectangle( item->GetX()-2, item->GetY()+offset,
- item->GetWidth()+2, total_h-offset );
+ wxRect rect( item->GetX()-2, item->GetY()+offset,
+ item->GetWidth()+2, total_h-offset );
+#if !defined(__WXGTK20__) && !defined(__WXMAC__)
+ dc.DrawRectangle( rect );
+#else
+ if ( attr && attr->HasBackgroundColour() )
+ {
+ dc.DrawRectangle( rect );
+ }
+ else
+ {
+ rect.x -= 1;
+ rect.width += 2;
+
+ int flags = wxCONTROL_SELECTED;
+ if (m_hasFocus)
+ flags |= wxCONTROL_FOCUSED;
+ if ((item == m_current) && (m_hasFocus))
+ flags |= wxCONTROL_CURRENT;
+ wxRendererNative::Get().DrawItemSelectionRect( this, dc, rect, flags );
+ }
+#endif
}
}
// always expand hidden root
int origY = y;
wxArrayGenericTreeItems& children = item->GetChildren();
- int count = children.Count();
+ int count = children.GetCount();
if (count > 0)
{
int n = 0, oldY;
wxColour colText;
if ( item->IsSelected()
-#ifdef __WXMAC__
+#if defined( __WXMAC__ ) && !defined(__WXUNIVERSAL__)
// On wxMac, if the tree doesn't have the focus we draw an empty
// rectangle, so we want to make sure that the text is visible
// against the normal background, not the highlightbackground, so
// don't use the highlight text colour unless we have the focus.
- && m_hasFocus
+ && m_hasFocus && IsControlActive( (ControlRef)GetHandle() )
#endif
)
{
+#ifdef __WXMAC__
+ colText = *wxWHITE;
+#else
colText = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT);
+#endif
}
else
{
if (item->IsExpanded())
{
wxArrayGenericTreeItems& children = item->GetChildren();
- int count = children.Count();
+ int count = children.GetCount();
if (count > 0)
{
int n = 0, oldY;
// wxWidgets callbacks
// -----------------------------------------------------------------------------
+void wxGenericTreeCtrl::OnSize( wxSizeEvent &event )
+{
+#ifdef __WXGTK__
+ if (HasFlag( wxTR_FULL_ROW_HIGHLIGHT) && m_current)
+ RefreshLine( m_current );
+#endif
+
+ event.Skip(true);
+}
+
void wxGenericTreeCtrl::OnPaint( wxPaintEvent &WXUNUSED(event) )
{
wxPaintDC dc(this);
case WXK_RIGHT:
// this works the same as the down arrow except that we
// also expand the item if it wasn't expanded yet
- Expand(m_current);
+ if (m_current != GetRootItem().m_pItem || !HasFlag(wxTR_HIDE_ROOT))
+ Expand(m_current);
+ //else: don't try to expand hidden root item (which can be the
+ // current one when the tree is empty)
+
// fall through
case WXK_DOWN:
{
wxTreeItemIdValue cookie;
wxTreeItemId child = GetFirstChild( m_key_current, cookie );
+ if ( !child )
+ break;
+
DoSelectItem( child, unselect_others, extended_select );
m_key_current=(wxGenericTreeItem*) child.m_pItem;
}
Recurse:
wxArrayGenericTreeItems& children = item->GetChildren();
- size_t n, count = children.Count();
+ size_t n, count = children.GetCount();
++level;
for (n = 0; n < count; ++n )
CalculateLevel( children[n], dc, level, y ); // recurse
void wxGenericTreeCtrl::Refresh(bool eraseBackground, const wxRect *rect)
{
- if ( !m_freezeCount )
+ if ( !IsFrozen() )
wxTreeCtrlBase::Refresh(eraseBackground, rect);
}
void wxGenericTreeCtrl::RefreshSubtree(wxGenericTreeItem *item)
{
- if (m_dirty || m_freezeCount)
+ if (m_dirty || IsFrozen() )
return;
wxSize client = GetClientSize();
void wxGenericTreeCtrl::RefreshLine( wxGenericTreeItem *item )
{
- if (m_dirty || m_freezeCount)
+ if (m_dirty || IsFrozen() )
return;
wxRect rect;
void wxGenericTreeCtrl::RefreshSelected()
{
- if (m_freezeCount)
+ if (IsFrozen())
return;
// TODO: this is awfully inefficient, we should keep the list of all
void wxGenericTreeCtrl::RefreshSelectedUnder(wxGenericTreeItem *item)
{
- if (m_freezeCount)
+ if (IsFrozen())
return;
if ( item->IsSelected() )
}
}
-void wxGenericTreeCtrl::Freeze()
-{
- m_freezeCount++;
-}
-
-void wxGenericTreeCtrl::Thaw()
+void wxGenericTreeCtrl::DoThaw()
{
- wxCHECK_RET( m_freezeCount > 0, _T("thawing unfrozen tree control?") );
-
- if ( --m_freezeCount == 0 )
- {
+ if ( m_dirty )
+ DoDirtyProcessing();
+ else
Refresh();
- }
}
// ----------------------------------------------------------------------------
#endif
}
-#if WXWIN_COMPATIBILITY_2_4
-
-int wxGenericTreeCtrl::GetItemSelectedImage(const wxTreeItemId& item) const
-{
- return GetItemImage(item, wxTreeItemIcon_Selected);
-}
-
-void wxGenericTreeCtrl::SetItemSelectedImage(const wxTreeItemId& item, int image)
-{
- SetItemImage(item, image, wxTreeItemIcon_Selected);
-}
-
-#endif // WXWIN_COMPATIBILITY_2_4
-
void wxGenericTreeCtrl::DoDirtyProcessing()
{
- if (m_freezeCount)
+ if (IsFrozen())
return;
m_dirty = false;
AdjustMyScrollbars();
}
+wxSize wxGenericTreeCtrl::DoGetBestSize() const
+{
+ // make sure all positions are calculated as normally this only done during
+ // idle time but we need them for base class DoGetBestSize() to return the
+ // correct result
+ wxConstCast(this, wxGenericTreeCtrl)->CalculatePositions();
+
+ wxSize size = wxTreeCtrlBase::DoGetBestSize();
+
+ // there seems to be an implicit extra border around the items, although
+ // I'm not really sure where does it come from -- but without this, the
+ // scrollbars appear in a tree with default/best size
+ size.IncBy(4, 4);
+
+ // and the border has to be rounded up to a multiple of PIXELS_PER_UNIT or
+ // scrollbars still appear
+ const wxSize& borderSize = GetWindowBorderSize();
+
+ int dx = (size.x - borderSize.x) % PIXELS_PER_UNIT;
+ if ( dx )
+ size.x += PIXELS_PER_UNIT - dx;
+ int dy = (size.y - borderSize.y) % PIXELS_PER_UNIT;
+ if ( dy )
+ size.y += PIXELS_PER_UNIT - dy;
+
+ // we need to update the cache too as the base class cached its own value
+ CacheBestSize(size);
+
+ return size;
+}
+
#endif // wxUSE_TREECTRL
projects / wxWidgets.git / blobdiff