wxPoint myPos = GetPosition();
wxSize mySize = GetSize();
int sx, sy;
- GetTextExtent(GetValue() + _T("M"), &sx, &sy);
+ GetTextExtent(GetValue() + wxT("M"), &sx, &sy);
if (myPos.x + sx > parentSize.x)
sx = parentSize.x - myPos.x;
if (mySize.x > sx)
if (major < 10)
style |= wxTR_ROW_LINES;
-
+
if (style & wxTR_HAS_BUTTONS)
style |= wxTR_NO_LINES;
#endif // __WXMAC__
}
wxGenericTreeItem *parent = item->GetParent();
-
+
// if the selected item will be deleted, select the parent ...
wxGenericTreeItem *to_be_selected = parent;
if (parent)
{
wxGenericTreeItem *item = (wxGenericTreeItem*) itemId.m_pItem;
- wxCHECK_RET( item, _T("invalid item in wxGenericTreeCtrl::Expand") );
+ wxCHECK_RET( item, wxT("invalid item in wxGenericTreeCtrl::Expand") );
wxCHECK_RET( !HasFlag(wxTR_HIDE_ROOT) || itemId != GetRootItem(),
- _T("can't expand hidden root") );
+ wxT("can't expand hidden root") );
if ( !item->HasPlus() )
return;
void wxGenericTreeCtrl::Collapse(const wxTreeItemId& itemId)
{
wxCHECK_RET( !HasFlag(wxTR_HIDE_ROOT) || itemId != GetRootItem(),
- _T("can't collapse hidden root") );
+ wxT("can't collapse hidden root") );
wxGenericTreeItem *item = (wxGenericTreeItem*) itemId.m_pItem;
}
}
+void wxGenericTreeCtrl::SelectChildren(const wxTreeItemId& parent)
+{
+ wxCHECK_RET( HasFlag(wxTR_MULTIPLE),
+ "this only works with multiple selection controls" );
+
+ UnselectAll();
+
+ if ( !HasChildren(parent) )
+ return;
+
+
+ wxArrayGenericTreeItems&
+ children = ((wxGenericTreeItem*) parent.m_pItem)->GetChildren();
+ size_t count = children.GetCount();
+
+ wxGenericTreeItem *
+ item = (wxGenericTreeItem*) ((wxTreeItemId)children[0]).m_pItem;
+ wxTreeEvent event(wxEVT_COMMAND_TREE_SEL_CHANGING, this, item);
+ event.m_itemOld = m_current;
+
+ if ( GetEventHandler()->ProcessEvent( event ) && !event.IsAllowed() )
+ return;
+
+ for ( size_t n = 0; n < count; ++n )
+ {
+ m_current = m_key_current = children[n];
+ m_current->SetHilight(true);
+ RefreshSelected();
+ }
+
+
+ event.SetEventType(wxEVT_COMMAND_TREE_SEL_CHANGED);
+ GetEventHandler()->ProcessEvent( event );
+}
+
+
// Recursive function !
// To stop we must have crt_item<last_item
// Algorithm :
void wxGenericTreeCtrl::SelectItem(const wxTreeItemId& itemId, bool select)
{
+ wxGenericTreeItem * const item = (wxGenericTreeItem*) itemId.m_pItem;
+ wxCHECK_RET( item, wxT("SelectItem(): invalid tree item") );
+
if ( select )
{
- DoSelectItem(itemId, !HasFlag(wxTR_MULTIPLE));
+ if ( !item->IsSelected() )
+ DoSelectItem(itemId, !HasFlag(wxTR_MULTIPLE));
}
else // deselect
{
- 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;
void wxGenericTreeCtrl::ScrollTo(const wxTreeItemId &item)
{
- if (!item.IsOk()) return;
+ if (!item.IsOk())
+ return;
- // We have to call this here because the label in
- // question might just have been added and no screen
- // update taken place.
+ // update the control before scrolling it
if (m_dirty)
#if defined( __WXMSW__ ) || defined(__WXMAC__)
Update();
#else
DoDirtyProcessing();
#endif
+
wxGenericTreeItem *gitem = (wxGenericTreeItem*) item.m_pItem;
- // now scroll to the item
- int item_y = gitem->GetY();
+ int itemY = gitem->GetY();
int start_x = 0;
int start_y = 0;
GetViewStart( &start_x, &start_y );
- start_y *= PIXELS_PER_UNIT;
- int client_h = 0;
- int client_w = 0;
- GetClientSize( &client_w, &client_h );
+ const int clientHeight = GetClientSize().y;
- if (item_y < start_y+3)
+ const int itemHeight = GetLineHeight(gitem) + 2;
+
+ if ( itemY + itemHeight > start_y*PIXELS_PER_UNIT + clientHeight )
{
- // going down
- int x = 0;
- int y = 0;
- m_anchor->GetSize( x, y, this );
- y += PIXELS_PER_UNIT+2; // one more scrollbar unit + 2 pixels
- x += PIXELS_PER_UNIT+2; // one more scrollbar unit + 2 pixels
- int x_pos = GetScrollPos( wxHORIZONTAL );
- // Item should appear at top
- SetScrollbars( PIXELS_PER_UNIT, PIXELS_PER_UNIT,
- x/PIXELS_PER_UNIT, y/PIXELS_PER_UNIT,
- x_pos, item_y/PIXELS_PER_UNIT );
+ // need to scroll up by enough to show this item fully
+ itemY += itemHeight - clientHeight;
}
- else if (item_y+GetLineHeight(gitem) > start_y+client_h)
+ else if ( itemY > start_y*PIXELS_PER_UNIT )
{
- // going up
- int x = 0;
- int y = 0;
- m_anchor->GetSize( x, y, this );
- y += PIXELS_PER_UNIT+2; // one more scrollbar unit + 2 pixels
- x += PIXELS_PER_UNIT+2; // one more scrollbar unit + 2 pixels
- item_y += PIXELS_PER_UNIT+2;
- int x_pos = GetScrollPos( wxHORIZONTAL );
- // Item should appear at bottom
- SetScrollbars( PIXELS_PER_UNIT, PIXELS_PER_UNIT,
- x/PIXELS_PER_UNIT, y/PIXELS_PER_UNIT,
- x_pos,
- (item_y+GetLineHeight(gitem)-client_h)/PIXELS_PER_UNIT );
+ // item is already fully visible, don't do anything
+ return;
}
+ //else: scroll down to make this item the top one displayed
+
+ Scroll(-1, itemY/PIXELS_PER_UNIT);
}
// FIXME: tree sorting functions are not reentrant and not MT-safe!
wxTextCtrl *wxGenericTreeCtrl::EditLabel(const wxTreeItemId& item,
wxClassInfo * WXUNUSED(textCtrlClass))
{
- wxCHECK_MSG( item.IsOk(), NULL, _T("can't edit an invalid item") );
+ wxCHECK_MSG( item.IsOk(), NULL, wxT("can't edit an invalid item") );
wxGenericTreeItem *itemEdit = (wxGenericTreeItem *)item.m_pItem;
void wxGenericTreeCtrl::EndEditLabel(const wxTreeItemId& WXUNUSED(item),
bool discardChanges)
{
- wxCHECK_RET( m_textCtrl, _T("not editing label") );
+ wxCHECK_RET( m_textCtrl, wxT("not editing label") );
m_textCtrl->EndEdit(discardChanges);
}