#pragma implementation "treectrl.h"
#endif
-#include "wx/treectrl.h"
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+#pragma hdrstop
+#endif
+
+#include "wx/generic/treectrl.h"
+#include "wx/generic/imaglist.h"
#include "wx/settings.h"
#include "wx/log.h"
#include "wx/intl.h"
#include "wx/dynarray.h"
#include "wx/dcclient.h"
-#include "wx/imaglist.h"
+#include "wx/msgdlg.h"
// -----------------------------------------------------------------------------
// array types
// -----------------------------------------------------------------------------
+class WXDLLEXPORT wxGenericTreeItem;
+
WX_DEFINE_ARRAY(wxGenericTreeItem *, wxArrayTreeItems);
// -----------------------------------------------------------------------------
int GetX() const { return m_x; }
int GetY() const { return m_y; }
- void SetHeight(int h) { m_height = h; }
+ void SetHeight(int h) { m_text_height = h; }
void SetX(int x) { m_x = x; }
void SetY(int y) { m_y = y; }
wxGenericTreeItem *GetParent() const { return m_parent; }
// operations
+ // deletes all children notifying the treectrl about it if !NULL pointer
+ // given
+ void DeleteChildren(wxTreeCtrl *tree = NULL);
+ // FIXME don't know what is it for
void Reset();
// get count of all children (and grand children if 'recursively')
int m_isBold :1; // render the label in bold font
int m_x, m_y;
- long m_height, m_width;
+ long m_text_height, m_text_width;
int m_xCross, m_yCross;
int m_level;
wxArrayTreeItems m_children;
// wxTreeEvent
// -----------------------------------------------------------------------------
-IMPLEMENT_DYNAMIC_CLASS(wxTreeEvent, wxCommandEvent)
+IMPLEMENT_DYNAMIC_CLASS(wxTreeEvent, wxNotifyEvent)
wxTreeEvent::wxTreeEvent( wxEventType commandType, int id )
- : wxCommandEvent( commandType, id )
+ : wxNotifyEvent( commandType, id )
{
m_code = 0;
m_itemOld = (wxGenericTreeItem *)NULL;
m_parent = parent;
- dc.GetTextExtent( m_text, &m_width, &m_height );
+ dc.GetTextExtent( m_text, &m_text_width, &m_text_height );
}
wxGenericTreeItem::~wxGenericTreeItem()
{
delete m_data;
+ wxASSERT_MSG( m_children.IsEmpty(),
+ _T("please call DeleteChildren() before deleting the item") );
+}
+
+void wxGenericTreeItem::DeleteChildren(wxTreeCtrl *tree)
+{
size_t count = m_children.Count();
for ( size_t n = 0; n < count; n++ )
- delete m_children[n];
+ {
+ wxGenericTreeItem *child = m_children[n];
+ if ( tree )
+ {
+ tree->SendDeleteEvent(child);
+ }
+
+ child->DeleteChildren(tree);
+ delete child;
+ }
+
+ m_children.Empty();
}
void wxGenericTreeItem::SetText( const wxString &text, wxDC& dc )
{
m_text = text;
- dc.GetTextExtent( m_text, &m_width, &m_height );
+ dc.GetTextExtent( m_text, &m_text_width, &m_text_height );
}
void wxGenericTreeItem::Reset()
m_selImage = -1;
m_data = NULL;
m_x = m_y =
- m_height = m_width = 0;
+ m_text_height = m_text_width = 0;
m_xCross =
m_yCross = 0;
m_level = 0;
- m_children.Empty();
+ DeleteChildren();
m_isCollapsed = TRUE;
m_parent = (wxGenericTreeItem *)NULL;
void wxGenericTreeItem::GetSize( int &x, int &y )
{
if ( y < m_y ) y = m_y;
- int width = m_x + m_width;
+ int width = m_x + m_text_width;
if (width > x) x = width;
if (IsExpanded())
wxGenericTreeItem *wxGenericTreeItem::HitTest( const wxPoint& point,
bool &onButton )
{
- if ((point.y > m_y) && (point.y < m_y + m_height))
+ if ((point.y > m_y) && (point.y < m_y + m_text_height))
{
// FIXME why +5?
+ // Because that is the size of the plus sign, RR
if ((point.x > m_xCross-5) && (point.x < m_xCross+5) &&
(point.y > m_yCross-5) && (point.y < m_yCross+5) &&
(IsExpanded() || HasPlus()))
return this;
}
- if ((point.x > m_x) && (point.x < m_x+m_width))
+ /* TODO: we should do a query here like
+ m_imageListNormal->GetSize( item->GetImage(), image_w, image_h ); */
+ int w = m_text_width;
+ if (m_image != -1) w += 24;
+
+ if ((point.x > m_x) && (point.x < m_x+w))
{
onButton = FALSE;
return this;
m_yScroll = 0;
m_lineHeight = 10;
m_indent = 15;
+ m_spacing = 18;
m_hilightBrush = new wxBrush
(
m_imageListNormal =
m_imageListState = (wxImageList *) NULL;
+
+ m_dragCount = 0;
}
bool wxTreeCtrl::Create(wxWindow *parent, wxWindowID id,
const wxPoint& pos, const wxSize& size,
- long style, const wxString& name )
+ long style,
+ const wxValidator &validator,
+ const wxString& name )
{
Init();
wxScrolledWindow::Create( parent, id, pos, size, style|wxHSCROLL|wxVSCROLL, name );
+ SetValidator( validator );
+
SetBackgroundColour( *wxWHITE );
m_dottedPen = wxPen( *wxBLACK, 0, 0 );
wxTreeCtrl::~wxTreeCtrl()
{
wxDELETE( m_hilightBrush );
- wxDELETE( m_anchor );
+
+ DeleteAllItems();
}
// -----------------------------------------------------------------------------
void wxTreeCtrl::SetIndent(unsigned int indent)
{
m_indent = indent;
+ m_dirty = TRUE;
+ Refresh();
+}
+
+void wxTreeCtrl::SetSpacing(unsigned int spacing)
+{
+ m_spacing = spacing;
+ m_dirty = TRUE;
Refresh();
}
size_t wxTreeCtrl::GetChildrenCount(const wxTreeItemId& item, bool recursively)
{
- wxCHECK_MSG( item.IsOk(), 0u, "invalid tree item" );
+ wxCHECK_MSG( item.IsOk(), 0u, _T("invalid tree item") );
return item.m_pItem->GetChildrenCount(recursively);
}
wxString wxTreeCtrl::GetItemText(const wxTreeItemId& item) const
{
- wxCHECK_MSG( item.IsOk(), "", "invalid tree item" );
+ wxCHECK_MSG( item.IsOk(), _T(""), _T("invalid tree item") );
return item.m_pItem->GetText();
}
int wxTreeCtrl::GetItemImage(const wxTreeItemId& item) const
{
- wxCHECK_MSG( item.IsOk(), -1, "invalid tree item" );
+ wxCHECK_MSG( item.IsOk(), -1, _T("invalid tree item") );
return item.m_pItem->GetImage();
}
int wxTreeCtrl::GetItemSelectedImage(const wxTreeItemId& item) const
{
- wxCHECK_MSG( item.IsOk(), -1, "invalid tree item" );
+ wxCHECK_MSG( item.IsOk(), -1, _T("invalid tree item") );
return item.m_pItem->GetSelectedImage();
}
wxTreeItemData *wxTreeCtrl::GetItemData(const wxTreeItemId& item) const
{
- wxCHECK_MSG( item.IsOk(), NULL, "invalid tree item" );
+ wxCHECK_MSG( item.IsOk(), NULL, _T("invalid tree item") );
return item.m_pItem->GetData();
}
void wxTreeCtrl::SetItemText(const wxTreeItemId& item, const wxString& text)
{
- wxCHECK_RET( item.IsOk(), "invalid tree item" );
+ wxCHECK_RET( item.IsOk(), _T("invalid tree item") );
wxClientDC dc(this);
- item.m_pItem->SetText(text, dc);
+ wxGenericTreeItem *pItem = item.m_pItem;
+ pItem->SetText(text, dc);
+ RefreshLine(pItem);
}
void wxTreeCtrl::SetItemImage(const wxTreeItemId& item, int image)
{
- wxCHECK_RET( item.IsOk(), "invalid tree item" );
+ wxCHECK_RET( item.IsOk(), _T("invalid tree item") );
- item.m_pItem->SetImage(image);
+ wxGenericTreeItem *pItem = item.m_pItem;
+ pItem->SetImage(image);
+ RefreshLine(pItem);
}
void wxTreeCtrl::SetItemSelectedImage(const wxTreeItemId& item, int image)
{
- wxCHECK_RET( item.IsOk(), "invalid tree item" );
+ wxCHECK_RET( item.IsOk(), _T("invalid tree item") );
- item.m_pItem->SetSelectedImage(image);
+ wxGenericTreeItem *pItem = item.m_pItem;
+ pItem->SetSelectedImage(image);
+ RefreshLine(pItem);
}
void wxTreeCtrl::SetItemData(const wxTreeItemId& item, wxTreeItemData *data)
{
- wxCHECK_RET( item.IsOk(), "invalid tree item" );
+ wxCHECK_RET( item.IsOk(), _T("invalid tree item") );
item.m_pItem->SetData(data);
}
void wxTreeCtrl::SetItemHasChildren(const wxTreeItemId& item, bool has)
{
- wxCHECK_RET( item.IsOk(), "invalid tree item" );
+ wxCHECK_RET( item.IsOk(), _T("invalid tree item") );
- item.m_pItem->SetHasPlus(has);
+ wxGenericTreeItem *pItem = item.m_pItem;
+ pItem->SetHasPlus(has);
+ RefreshLine(pItem);
}
void wxTreeCtrl::SetItemBold(const wxTreeItemId& item, bool bold)
{
- wxCHECK_RET( item.IsOk(), "invalid tree item" );
+ wxCHECK_RET( item.IsOk(), _T("invalid tree item") );
// avoid redrawing the tree if no real change
wxGenericTreeItem *pItem = item.m_pItem;
bool wxTreeCtrl::IsVisible(const wxTreeItemId& WXUNUSED(item)) const
{
- wxFAIL_MSG("not implemented");
+ wxFAIL_MSG(_T("not implemented"));
return TRUE;
}
bool wxTreeCtrl::ItemHasChildren(const wxTreeItemId& item) const
{
- wxCHECK_MSG( item.IsOk(), FALSE, "invalid tree item" );
+ wxCHECK_MSG( item.IsOk(), FALSE, _T("invalid tree item") );
return !item.m_pItem->GetChildren().IsEmpty();
}
bool wxTreeCtrl::IsExpanded(const wxTreeItemId& item) const
{
- wxCHECK_MSG( item.IsOk(), FALSE, "invalid tree item" );
+ wxCHECK_MSG( item.IsOk(), FALSE, _T("invalid tree item") );
return item.m_pItem->IsExpanded();
}
bool wxTreeCtrl::IsSelected(const wxTreeItemId& item) const
{
- wxCHECK_MSG( item.IsOk(), FALSE, "invalid tree item" );
+ wxCHECK_MSG( item.IsOk(), FALSE, _T("invalid tree item") );
return item.m_pItem->HasHilight();
}
bool wxTreeCtrl::IsBold(const wxTreeItemId& item) const
{
- wxCHECK_MSG( item.IsOk(), FALSE, "invalid tree item" );
+ wxCHECK_MSG( item.IsOk(), FALSE, _T("invalid tree item") );
return item.m_pItem->IsBold();
}
wxTreeItemId wxTreeCtrl::GetParent(const wxTreeItemId& item) const
{
- wxCHECK_MSG( item.IsOk(), NULL, "invalid tree item" );
+ wxCHECK_MSG( item.IsOk(), wxTreeItemId(), _T("invalid tree item") );
return item.m_pItem->GetParent();
}
wxTreeItemId wxTreeCtrl::GetFirstChild(const wxTreeItemId& item, long& cookie) const
{
- wxCHECK_MSG( item.IsOk(), NULL, "invalid tree item" );
+ wxCHECK_MSG( item.IsOk(), wxTreeItemId(), _T("invalid tree item") );
cookie = 0;
return GetNextChild(item, cookie);
wxTreeItemId wxTreeCtrl::GetNextChild(const wxTreeItemId& item, long& cookie) const
{
- wxCHECK_MSG( item.IsOk(), NULL, "invalid tree item" );
+ wxCHECK_MSG( item.IsOk(), wxTreeItemId(), _T("invalid tree item") );
wxArrayTreeItems& children = item.m_pItem->GetChildren();
if ( (size_t)cookie < children.Count() )
{
- return item.m_pItem->GetChildren().Item(cookie++);
+ return children.Item(cookie++);
}
else
{
// there are no more of them
- return NULL;
+ return wxTreeItemId();
}
}
+wxTreeItemId wxTreeCtrl::GetLastChild(const wxTreeItemId& item) const
+{
+ wxCHECK_MSG( item.IsOk(), wxTreeItemId(), _T("invalid tree item") );
+
+ wxArrayTreeItems& children = item.m_pItem->GetChildren();
+ return (children.IsEmpty() ? wxTreeItemId() : wxTreeItemId(children.Last()));
+}
+
wxTreeItemId wxTreeCtrl::GetNextSibling(const wxTreeItemId& item) const
{
- wxCHECK_MSG( item.IsOk(), NULL, "invalid tree item" );
+ wxCHECK_MSG( item.IsOk(), wxTreeItemId(), _T("invalid tree item") );
wxGenericTreeItem *i = item.m_pItem;
wxGenericTreeItem *parent = i->GetParent();
if ( parent == NULL )
{
// root item doesn't have any siblings
- return NULL;
+ return wxTreeItemId();
}
wxArrayTreeItems& siblings = parent->GetChildren();
int index = siblings.Index(i);
- wxASSERT( index != NOT_FOUND ); // I'm not a child of my parent?
+ wxASSERT( index != wxNOT_FOUND ); // I'm not a child of my parent?
size_t n = (size_t)(index + 1);
- return n == siblings.Count() ? (wxGenericTreeItem*)NULL : siblings[n];
+ return n == siblings.Count() ? wxTreeItemId() : wxTreeItemId(siblings[n]);
}
wxTreeItemId wxTreeCtrl::GetPrevSibling(const wxTreeItemId& item) const
{
- wxCHECK_MSG( item.IsOk(), NULL, "invalid tree item" );
+ wxCHECK_MSG( item.IsOk(), wxTreeItemId(), _T("invalid tree item") );
wxGenericTreeItem *i = item.m_pItem;
wxGenericTreeItem *parent = i->GetParent();
if ( parent == NULL )
{
// root item doesn't have any siblings
- return NULL;
+ return wxTreeItemId();
}
wxArrayTreeItems& siblings = parent->GetChildren();
int index = siblings.Index(i);
- wxASSERT( index != NOT_FOUND ); // I'm not a child of my parent?
+ wxASSERT( index != wxNOT_FOUND ); // I'm not a child of my parent?
- return index == 0 ? (wxGenericTreeItem*)NULL : siblings[(size_t)(index - 1)];
+ return index == 0 ? wxTreeItemId()
+ : wxTreeItemId(siblings[(size_t)(index - 1)]);
}
wxTreeItemId wxTreeCtrl::GetFirstVisibleItem() const
{
- wxFAIL_MSG("not implemented");
+ wxFAIL_MSG(_T("not implemented"));
- return NULL;
+ return wxTreeItemId();
}
wxTreeItemId wxTreeCtrl::GetNextVisible(const wxTreeItemId& item) const
{
- wxCHECK_MSG( item.IsOk(), NULL, "invalid tree item" );
+ wxCHECK_MSG( item.IsOk(), wxTreeItemId(), _T("invalid tree item") );
- wxFAIL_MSG("not implemented");
+ wxFAIL_MSG(_T("not implemented"));
- return NULL;
+ return wxTreeItemId();
}
wxTreeItemId wxTreeCtrl::GetPrevVisible(const wxTreeItemId& item) const
{
- wxCHECK_MSG( item.IsOk(), NULL, "invalid tree item" );
+ wxCHECK_MSG( item.IsOk(), wxTreeItemId(), _T("invalid tree item") );
- wxFAIL_MSG("not implemented");
+ wxFAIL_MSG(_T("not implemented"));
- return NULL;
+ return wxTreeItemId();
}
// -----------------------------------------------------------------------------
int image, int selImage,
wxTreeItemData *data)
{
- wxCHECK_MSG( !m_anchor, NULL, "tree can have only one root" );
+ wxCHECK_MSG( !m_anchor, wxTreeItemId(), _T("tree can have only one root") );
wxClientDC dc(this);
m_anchor = new wxGenericTreeItem((wxGenericTreeItem *)NULL, text, dc,
}
int index = parent->GetChildren().Index(idPrevious.m_pItem);
- wxASSERT_MSG( index != NOT_FOUND,
- "previous item in wxTreeCtrl::InsertItem() is not a sibling" );
+ wxASSERT_MSG( index != wxNOT_FOUND,
+ _T("previous item in wxTreeCtrl::InsertItem() is not a sibling") );
return DoInsertItem(parentId, (size_t)index, text, image, selImage, data);
}
image, selImage, data);
}
+void wxTreeCtrl::SendDeleteEvent(wxGenericTreeItem *item)
+{
+ wxTreeEvent event( wxEVT_COMMAND_TREE_DELETE_ITEM, GetId() );
+ event.m_item = item;
+ event.SetEventObject( this );
+ ProcessEvent( event );
+}
+
+void wxTreeCtrl::DeleteChildren(const wxTreeItemId& itemId)
+{
+ wxGenericTreeItem *item = itemId.m_pItem;
+ item->DeleteChildren(this);
+
+ m_dirty = TRUE;
+}
+
void wxTreeCtrl::Delete(const wxTreeItemId& itemId)
{
wxGenericTreeItem *item = itemId.m_pItem;
parent->GetChildren().Remove(item);
}
+ item->DeleteChildren(this);
+ SendDeleteEvent(item);
delete item;
- Refresh();
+ m_dirty = TRUE;
}
void wxTreeCtrl::DeleteAllItems()
{
if ( m_anchor )
{
+ m_anchor->DeleteChildren(this);
delete m_anchor;
+
m_anchor = NULL;
- Refresh();
+ m_dirty = TRUE;
}
}
{
wxGenericTreeItem *item = itemId.m_pItem;
+ if ( !item->HasPlus() )
+ return;
+
if ( item->IsExpanded() )
return;
}
item->Expand();
+ CalculatePositions();
RefreshSubtree(item);
void wxTreeCtrl::CollapseAndReset(const wxTreeItemId& item)
{
Collapse(item);
- Delete(item);
+ DeleteChildren(item);
}
void wxTreeCtrl::Toggle(const wxTreeItemId& itemId)
}
}
-void wxTreeCtrl::SelectItem(const wxTreeItemId& itemId)
+void wxTreeCtrl::UnselectAllChildren(wxGenericTreeItem *item)
{
- wxGenericTreeItem *item = itemId.m_pItem;
+ item->SetHilight(FALSE);
+ RefreshLine(item);
+
+ if (item->HasChildren())
+ {
+ wxArrayTreeItems& children = item->GetChildren();
+ size_t count = children.Count();
+ for ( size_t n = 0; n < count; ++n )
+ UnselectAllChildren(children[n]);
+ }
+}
- if ( m_current != item )
- {
+void wxTreeCtrl::UnselectAll()
+{
+ UnselectAllChildren(GetRootItem().m_pItem);
+}
+
+// Recursive function !
+// To stop we must have crt_item<last_item
+// Algorithm =
+// Tag all next children, when no more children,
+// Move to parent (not to tag)
+// Keep going, if we found last_item, we stop
+bool wxTreeCtrl::TagNextChildren(wxGenericTreeItem *crt_item, wxGenericTreeItem *last_item, bool select)
+{
+ wxGenericTreeItem *parent = crt_item->GetParent();
+
+ if ( parent == NULL ) // This is root item
+ return TagAllChildrenUntilLast(crt_item, last_item, select);
+
+ wxArrayTreeItems& children = parent->GetChildren();
+ int index = children.Index(crt_item);
+ wxASSERT( index != wxNOT_FOUND ); // I'm not a child of my parent?
+
+ size_t count = children.Count();
+ for (size_t n=(size_t)(index+1); n<count; ++n)
+ if (TagAllChildrenUntilLast(children[n], last_item, select)) return true;
+
+ return TagNextChildren(parent, last_item, select);
+}
+
+bool wxTreeCtrl::TagAllChildrenUntilLast(wxGenericTreeItem *crt_item, wxGenericTreeItem *last_item, bool select)
+{
+ crt_item->SetHilight(select);
+ RefreshLine(crt_item);
+
+ if (crt_item==last_item) return true;
+
+ if (crt_item->HasChildren())
+ {
+ wxArrayTreeItems& children = crt_item->GetChildren();
+ size_t count = children.Count();
+ for ( size_t n = 0; n < count; ++n )
+ if (TagAllChildrenUntilLast(children[n], last_item, select)) return true;
+ }
+
+ return false;
+}
+
+void wxTreeCtrl::SelectItemRange(wxGenericTreeItem *item1, wxGenericTreeItem *item2)
+{
+ // item2 is not necessary after item1
+ wxGenericTreeItem *first=NULL, *last=NULL;
+
+ // choice first' and 'last' between item1 and item2
+ if (item1->GetY()<item2->GetY())
+ {
+ first=item1;
+ last=item2;
+ }
+ else
+ {
+ first=item2;
+ last=item1;
+ }
+
+ bool select=m_current->HasHilight();
+
+ if (TagAllChildrenUntilLast(first,last,select)) return;
+
+ cout << first->GetText() << " " << last->GetText() << " " << (int) select << endl;
+ TagNextChildren(first,last,select);
+}
+
+void wxTreeCtrl::SelectItem(const wxTreeItemId& itemId,
+ bool unselect_others,
+ bool extended_select)
+{
+ bool is_single=!(GetWindowStyleFlag() & wxTR_MULTIPLE);
+
+ //wxCHECK_RET( ( (!unselect_others) && is_single),
+ // _T("this is a single selection tree") );
+
+ // to keep going anyhow !!!
+ if (is_single)
+ {
+ unselect_others=true;
+ extended_select=false;
+ }
+
+ wxGenericTreeItem *item = itemId.m_pItem;
+
wxTreeEvent event( wxEVT_COMMAND_TREE_SEL_CHANGING, GetId() );
event.m_item = item;
event.m_itemOld = m_current;
event.SetEventObject( this );
+ // Here we don't send any selection mode yet ! TO SEE
+
+ if (m_current)
+ cout << m_current->GetText() << " " << (int)m_current->HasHilight() << endl;
+
if ( GetEventHandler()->ProcessEvent( event ) && event.WasVetoed() )
return;
- if ( m_current )
+ if (m_current)
+ cout << m_current->GetText() << " " << (int)m_current->HasHilight() << endl;
+
+ // ctrl press
+ if (unselect_others)
{
- m_current->SetHilight( FALSE );
- RefreshLine( m_current );
+ if (is_single) Unselect(); // to speed up thing
+ else UnselectAll();
}
- m_current = item;
- m_current->SetHilight( TRUE );
- RefreshLine( m_current );
+ // shift press
+ if (extended_select)
+ {
+ if (m_current == NULL) m_current=GetRootItem().m_pItem;
+ // don't change the mark (m_current)
+ SelectItemRange(m_current, item);
+ }
+ else
+ {
+ bool select=true; // the default
+
+ // Check if we need to toggle hilight (ctrl mode)
+ if (!unselect_others)
+ select=!item->HasHilight();
+
+ m_current = item;
+ m_current->SetHilight(select);
+ RefreshLine( m_current );
+ }
event.SetEventType(wxEVT_COMMAND_TREE_SEL_CHANGED);
GetEventHandler()->ProcessEvent( event );
- }
}
void wxTreeCtrl::EnsureVisible(const wxTreeItemId& item)
{
- wxGenericTreeItem *gitem = item.m_pItem;
+ wxGenericTreeItem *gitem = item.m_pItem;
- int item_y = gitem->GetY();
+ // first expand all parent branches
+ wxGenericTreeItem *parent = gitem->GetParent();
+ while ( parent && !parent->IsExpanded() )
+ {
+ Expand(parent);
- int start_x = 0;
- int start_y = 0;
- ViewStart( &start_x, &start_y );
- start_y *= 10;
+ parent = parent->GetParent();
+ }
- if (item_y < start_y+3)
- {
- int x = 0;
- int y = 0;
- m_anchor->GetSize( x, y );
- y += 2*m_lineHeight;
- int x_pos = GetScrollPos( wxHORIZONTAL );
- SetScrollbars( 10, 10, x/10, y/10, x_pos, item_y/10 );
- return;
- }
+ // now scroll to the item
+ int item_y = gitem->GetY();
- int w = 0;
- int h = 0;
- GetClientSize( &w, &h );
+ int start_x = 0;
+ int start_y = 0;
+ ViewStart( &start_x, &start_y );
+ start_y *= 10;
- if (item_y > start_y+h-26)
- {
- int x = 0;
- int y = 0;
- m_anchor->GetSize( x, y );
- y += 2*m_lineHeight;
- int x_pos = GetScrollPos( wxHORIZONTAL );
- SetScrollbars( 10, 10, x/10, y/10, x_pos, (item_y-h+30)/10 );
- return;
- }
+ int client_h = 0;
+ int client_w = 0;
+ GetClientSize( &client_w, &client_h );
+
+ if (item_y < start_y+3)
+ {
+ int x = 0;
+ int y = 0;
+ m_anchor->GetSize( x, y );
+ y += 2*m_lineHeight;
+ int x_pos = GetScrollPos( wxHORIZONTAL );
+ SetScrollbars( 10, 10, x/10, y/10, x_pos, (item_y-client_h/2)/10 );
+ }
+ else if (item_y > start_y+client_h-16)
+ {
+ int x = 0;
+ int y = 0;
+ m_anchor->GetSize( x, y );
+ y += 2*m_lineHeight;
+ int x_pos = GetScrollPos( wxHORIZONTAL );
+ SetScrollbars( 10, 10, x/10, y/10, x_pos, (item_y-client_h/2)/10 );
+ }
}
void wxTreeCtrl::ScrollTo(const wxTreeItemId& WXUNUSED(item))
{
- wxFAIL_MSG("not implemented");
+ wxFAIL_MSG(_T("not implemented"));
}
wxTextCtrl *wxTreeCtrl::EditLabel( const wxTreeItemId& WXUNUSED(item),
wxClassInfo* WXUNUSED(textCtrlClass) )
{
- wxFAIL_MSG("not implemented");
+ wxFAIL_MSG(_T("not implemented"));
- return NULL;
+ return (wxTextCtrl*)NULL;
}
wxTextCtrl *wxTreeCtrl::GetEditControl() const
{
- wxFAIL_MSG("not implemented");
+ wxFAIL_MSG(_T("not implemented"));
- return NULL;
+ return (wxTextCtrl*)NULL;
}
void wxTreeCtrl::EndEditLabel(const wxTreeItemId& WXUNUSED(item), bool WXUNUSED(discardChanges))
{
- wxFAIL_MSG("not implemented");
+ wxFAIL_MSG(_T("not implemented"));
+}
+
+// FIXME: tree sorting functions are not reentrant and not MT-safe!
+static wxTreeCtrl *s_treeBeingSorted = NULL;
+
+static int tree_ctrl_compare_func(wxGenericTreeItem **item1,
+ wxGenericTreeItem **item2)
+{
+ wxCHECK_MSG( s_treeBeingSorted, 0, _T("bug in wxTreeCtrl::SortChildren()") );
+
+ return s_treeBeingSorted->OnCompareItems(*item1, *item2);
}
-void wxTreeCtrl::SortChildren( const wxTreeItemId& WXUNUSED(item),
- wxTreeItemCmpFunc *WXUNUSED(cmpFunction))
+int wxTreeCtrl::OnCompareItems(const wxTreeItemId& item1,
+ const wxTreeItemId& item2)
{
- wxFAIL_MSG("not implemented");
+ return wxStrcmp(GetItemText(item1), GetItemText(item2));
+}
+
+void wxTreeCtrl::SortChildren(const wxTreeItemId& itemId)
+{
+ wxCHECK_RET( itemId.IsOk(), _T("invalid tree item") );
+
+ wxGenericTreeItem *item = itemId.m_pItem;
+
+ wxCHECK_RET( !s_treeBeingSorted,
+ _T("wxTreeCtrl::SortChildren is not reentrant") );
+
+ wxArrayTreeItems& children = item->GetChildren();
+ if ( children.Count() > 1 )
+ {
+ s_treeBeingSorted = this;
+ children.Sort(tree_ctrl_compare_func);
+ s_treeBeingSorted = NULL;
+
+ m_dirty = TRUE;
+ }
+ //else: don't make the tree dirty as nothing changed
}
wxImageList *wxTreeCtrl::GetImageList() const
void wxTreeCtrl::SetImageList(wxImageList *imageList)
{
- m_imageListNormal = imageList;
+ m_imageListNormal = imageList;
+ // calculate a m_lineHeight value from the image sizes
+ wxPaintDC dc(this);
+ PrepareDC( dc );
+ m_lineHeight = (int)(dc.GetCharHeight() + 4);
+ int
+ width = 0,
+ height = 0,
+ n = m_imageListNormal->GetImageCount();
+ for(int i = 0; i < n ; i++)
+ {
+ m_imageListNormal->GetSize(i, width, height);
+ height += height/5; //20% extra spacing
+ if(height > m_lineHeight) m_lineHeight = height;
+ }
}
void wxTreeCtrl::SetStateImageList(wxImageList *imageList)
// -----------------------------------------------------------------------------
// helpers
// -----------------------------------------------------------------------------
+
void wxTreeCtrl::AdjustMyScrollbars()
{
- if (m_anchor)
- {
- int x = 0;
- int y = 0;
- m_anchor->GetSize( x, y );
- y += 2*m_lineHeight;
- int x_pos = GetScrollPos( wxHORIZONTAL );
- int y_pos = GetScrollPos( wxVERTICAL );
- SetScrollbars( 10, 10, x/10, y/10, x_pos, y_pos );
- }
- else
- {
- SetScrollbars( 0, 0, 0, 0 );
- }
+ if (m_anchor)
+ {
+ int x = 0;
+ int y = 0;
+ m_anchor->GetSize( x, y );
+ y += 2*m_lineHeight;
+ int x_pos = GetScrollPos( wxHORIZONTAL );
+ int y_pos = GetScrollPos( wxVERTICAL );
+ SetScrollbars( 10, 10, x/10, y/10, x_pos, y_pos );
+ }
+ else
+ {
+ SetScrollbars( 0, 0, 0, 0 );
+ }
}
void wxTreeCtrl::PaintItem(wxGenericTreeItem *item, wxDC& dc)
{
- // render bold items in bold
- wxFont *fontOld = (wxFont *)NULL,
- *fontNew = (wxFont *)NULL;
- if ( item->IsBold() )
- {
- fontOld = dc.GetFont();
- if ( fontOld )
- {
- // @@ is there any better way to make a bold variant of old font?
- fontNew = new wxFont(fontOld->GetPointSize(),
- fontOld->GetFamily(),
- fontOld->GetStyle(),
- wxBOLD,
- fontOld->GetUnderlined());
- dc.SetFont(fontNew);
- }
- else
- {
- wxFAIL_MSG("wxDC::GetFont() failed!");
- }
- }
+ // render bold items in bold
+ wxFont fontOld;
+ wxFont fontNew;
- long text_w = 0;
- long text_h = 0;
- dc.GetTextExtent( item->GetText(), &text_w, &text_h );
+ if (item->IsBold())
+ {
+ fontOld = dc.GetFont();
+ if (fontOld.Ok())
+ {
+ // VZ: is there any better way to make a bold variant of old font?
+ fontNew = wxFont( fontOld.GetPointSize(),
+ fontOld.GetFamily(),
+ fontOld.GetStyle(),
+ wxBOLD,
+ fontOld.GetUnderlined());
+ dc.SetFont(fontNew);
+ }
+ else
+ {
+ wxFAIL_MSG(_T("wxDC::GetFont() failed!"));
+ }
+ }
- int image_h = 0;
- int image_w = 0;
- if (item->GetImage() != -1)
- {
- m_imageListNormal->GetSize( item->GetImage(), image_w, image_h );
- image_w += 4;
- }
+ long text_w = 0;
+ long text_h = 0;
+ dc.GetTextExtent( item->GetText(), &text_w, &text_h );
- dc.DrawRectangle( item->GetX()-2, item->GetY()-2, image_w+text_w+4, text_h+4 );
+ int image_h = 0;
+ int image_w = 0;
+ if ((item->IsExpanded()) && (item->GetSelectedImage() != -1))
+ {
+ m_imageListNormal->GetSize( item->GetSelectedImage(), image_w, image_h );
+ image_w += 4;
+ }
+ else if (item->GetImage() != -1)
+ {
+ m_imageListNormal->GetSize( item->GetImage(), image_w, image_h );
+ image_w += 4;
+ }
- if (item->GetImage() != -1)
- {
- dc.SetClippingRegion( item->GetX(), item->GetY(), image_w-2, text_h );
- m_imageListNormal->Draw( item->GetImage(), dc,
- item->GetX(), item->GetY()-1,
- wxIMAGELIST_DRAW_TRANSPARENT );
- dc.DestroyClippingRegion();
- }
+ int total_h = (image_h > text_h) ? image_h : text_h;
+ if(m_lineHeight > total_h) total_h = m_lineHeight;
+
+ dc.DrawRectangle( item->GetX()-2, item->GetY(), image_w+text_w+4, total_h );
+
+ if ((item->IsExpanded()) && (item->GetSelectedImage() != -1))
+ {
+ dc.SetClippingRegion( item->GetX(), item->GetY(), image_w-2, total_h );
+ m_imageListNormal->Draw( item->GetSelectedImage(), dc,
+ item->GetX(),
+ item->GetY() +((total_h > image_h)?((total_h-image_h)/2):0),
+ wxIMAGELIST_DRAW_TRANSPARENT );
+ dc.DestroyClippingRegion();
+ }
+ else if (item->GetImage() != -1)
+ {
+ dc.SetClippingRegion( item->GetX(), item->GetY(), image_w-2, total_h );
+ m_imageListNormal->Draw( item->GetImage(), dc,
+ item->GetX(),
+ item->GetY() +((total_h > image_h)?((total_h-image_h)/2):0),
+ wxIMAGELIST_DRAW_TRANSPARENT );
+ dc.DestroyClippingRegion();
+ }
- dc.DrawText( item->GetText(), image_w + item->GetX(), item->GetY() );
+ dc.SetBackgroundMode(wxTRANSPARENT);
+ dc.DrawText( item->GetText(), image_w + item->GetX(), item->GetY()
+ + ((total_h > text_h) ? (total_h - text_h)/2 : 0));
- // restore normal font for bold items
- if ( fontOld )
- {
- dc.SetFont(fontOld);
- delete fontNew;
- }
+ // restore normal font for bold items
+ if (fontOld.Ok())
+ {
+ dc.SetFont( fontOld);
+ }
}
void wxTreeCtrl::PaintLevel( wxGenericTreeItem *item, wxDC &dc, int level, int &y )
{
- int horizX = level*m_indent;
+ int horizX = level*m_indent;
- item->SetX( horizX+33 );
- item->SetY( y-m_lineHeight/3 );
- item->SetHeight( m_lineHeight );
+ item->SetX( horizX+m_indent+m_spacing );
+ item->SetY( y-m_lineHeight/2 );
+ item->SetHeight( m_lineHeight );
- item->SetCross( horizX+15, y );
+ item->SetCross( horizX+m_indent, y );
- int oldY = y;
+ int oldY = y;
- int exposed_x = dc.LogicalToDeviceX( 0 );
- int exposed_y = dc.LogicalToDeviceY( item->GetY()-2 );
+ int exposed_x = dc.LogicalToDeviceX( 0 );
+ int exposed_y = dc.LogicalToDeviceY( item->GetY()-2 );
- if (IsExposed( exposed_x, exposed_y, 10000, m_lineHeight+4 )) // 10000 = very much
- {
- int startX = horizX;
- int endX = horizX + 10;
+ if (IsExposed( exposed_x, exposed_y, 10000, m_lineHeight+4 )) // 10000 = very much
+ {
+ int startX = horizX;
+ int endX = horizX + (m_indent-5);
- if (!item->HasChildren()) endX += 20;
+// if (!item->HasChildren()) endX += (m_indent+5);
+ if (!item->HasChildren()) endX += 20;
- dc.DrawLine( startX, y, endX, y );
+ dc.DrawLine( startX, y, endX, y );
- if (item->HasPlus())
- {
- dc.DrawLine( horizX+20, y, horizX+30, y );
- dc.SetPen( *wxGREY_PEN );
- dc.DrawRectangle( horizX+10, y-4, 11, 9 );
- dc.SetPen( *wxBLACK_PEN );
- dc.DrawLine( horizX+13, y, horizX+18, y );
-
- if (!item->IsExpanded())
- dc.DrawLine( horizX+15, y-2, horizX+15, y+3 );
- }
+ if (item->HasPlus())
+ {
+ dc.DrawLine( horizX+(m_indent+5), y, horizX+(m_indent+15), y );
+ dc.SetPen( *wxGREY_PEN );
+ dc.SetBrush( *wxWHITE_BRUSH );
+ dc.DrawRectangle( horizX+(m_indent-5), y-4, 11, 9 );
+ dc.SetPen( *wxBLACK_PEN );
+ dc.DrawLine( horizX+(m_indent-2), y, horizX+(m_indent+3), y );
+
+ if (!item->IsExpanded())
+ {
+ dc.DrawLine( horizX+m_indent, y-2, horizX+m_indent, y+3 );
+ }
+ }
- if (item->HasHilight())
- {
- dc.SetTextForeground( wxSystemSettings::GetSystemColour( wxSYS_COLOUR_HIGHLIGHTTEXT ) );
+ if (item->HasHilight())
+ {
+ dc.SetTextForeground( wxSystemSettings::GetSystemColour( wxSYS_COLOUR_HIGHLIGHTTEXT ) );
- dc.SetBrush( *m_hilightBrush );
+ dc.SetBrush( *m_hilightBrush );
- if (m_hasFocus)
- dc.SetPen( *wxBLACK_PEN );
- else
- dc.SetPen( *wxTRANSPARENT_PEN );
+ if (m_hasFocus)
+ dc.SetPen( *wxBLACK_PEN );
+ else
+ dc.SetPen( *wxTRANSPARENT_PEN );
- PaintItem(item, dc);
+ PaintItem(item, dc);
- dc.SetPen( *wxBLACK_PEN );
- dc.SetTextForeground( *wxBLACK );
- dc.SetBrush( *wxWHITE_BRUSH );
- }
- else
- {
- dc.SetBrush( *wxWHITE_BRUSH );
- dc.SetPen( *wxTRANSPARENT_PEN );
+ dc.SetPen( *wxBLACK_PEN );
+ dc.SetTextForeground( *wxBLACK );
+ dc.SetBrush( *wxWHITE_BRUSH );
+ }
+ else
+ {
+ dc.SetBrush( *wxWHITE_BRUSH );
+ dc.SetPen( *wxTRANSPARENT_PEN );
- PaintItem(item, dc);
+ PaintItem(item, dc);
- dc.SetPen( *wxBLACK_PEN );
+ dc.SetPen( *wxBLACK_PEN );
+ }
}
- }
-
- if ( !item->IsExpanded() )
- return;
-
- int semiOldY = y;
- wxArrayTreeItems& children = item->GetChildren();
- size_t count = children.Count();
- for ( size_t n = 0; n < count; n++ )
- {
- y += m_lineHeight;
- semiOldY = y;
+ if (item->IsExpanded())
+ {
+ int semiOldY = y;
- PaintLevel( children[n], dc, level+1, y );
- }
+ wxArrayTreeItems& children = item->GetChildren();
+ size_t count = children.Count();
+ for ( size_t n = 0; n < count; n++ )
+ {
+ y += m_lineHeight;
+ semiOldY = y;
+ PaintLevel( children[n], dc, level+1, y );
+ }
- dc.DrawLine( horizX+15, oldY+5, horizX+15, semiOldY );
+ // it may happen that the item is expanded but has no items (when you
+ // delete all its children for example) - don't draw the vertical line
+ // in this case
+ if (count > 0)
+ dc.DrawLine( horizX+m_indent, oldY+5, horizX+m_indent, semiOldY );
+ }
}
// -----------------------------------------------------------------------------
void wxTreeCtrl::OnPaint( wxPaintEvent &WXUNUSED(event) )
{
- if ( !m_anchor )
- return;
+ if ( !m_anchor )
+ return;
- wxPaintDC dc(this);
- PrepareDC( dc );
+ wxPaintDC dc(this);
+ PrepareDC( dc );
- dc.SetFont( wxSystemSettings::GetSystemFont( wxSYS_SYSTEM_FONT ) );
+ dc.SetFont( wxSystemSettings::GetSystemFont( wxSYS_DEFAULT_GUI_FONT ) );
- dc.SetPen( m_dottedPen );
- m_lineHeight = (int)(dc.GetCharHeight() + 4);
+ dc.SetPen( m_dottedPen );
+ if(GetImageList() == NULL)
+ m_lineHeight = (int)(dc.GetCharHeight() + 4);
- int y = m_lineHeight / 2 + 2;
- PaintLevel( m_anchor, dc, 0, y );
+ int y = m_lineHeight / 2 + 2;
+ PaintLevel( m_anchor, dc, 0, y );
}
void wxTreeCtrl::OnSetFocus( wxFocusEvent &WXUNUSED(event) )
{
- m_hasFocus = TRUE;
- if ( m_current )
- RefreshLine( m_current );
+ m_hasFocus = TRUE;
+
+ if (m_current) RefreshLine( m_current );
}
void wxTreeCtrl::OnKillFocus( wxFocusEvent &WXUNUSED(event) )
{
- m_hasFocus = FALSE;
- if ( m_current )
- RefreshLine( m_current );
+ m_hasFocus = FALSE;
+
+ if (m_current) RefreshLine( m_current );
}
void wxTreeCtrl::OnChar( wxKeyEvent &event )
{
- if (m_current == 0)
- {
- event.Skip();
- return;
- }
+ wxTreeEvent te( wxEVT_COMMAND_TREE_KEY_DOWN, GetId() );
+ te.m_code = event.KeyCode();
+ te.SetEventObject( this );
+ GetEventHandler()->ProcessEvent( te );
- switch (event.KeyCode())
- {
- case '+':
- case WXK_ADD:
- if (HasChildren(m_current) && !IsExpanded(m_current))
- {
- Expand(m_current);
- }
- break;
+ if (m_current == 0)
+ {
+ event.Skip();
+ return;
+ }
- case '-':
- case WXK_SUBTRACT:
- if (IsExpanded(m_current))
- {
- Collapse(m_current);
- }
- break;
+ bool is_multiple=(GetWindowStyleFlag() & wxTR_MULTIPLE);
+ bool extended_select=(event.ShiftDown() && is_multiple);
+ bool unselect_others=!(extended_select || (event.ControlDown() && is_multiple));
- case '*':
- case WXK_MULTIPLY:
- Toggle(m_current);
- break;
+ switch (event.KeyCode())
+ {
+ case '+':
+ case WXK_ADD:
+ if (m_current->HasPlus() && !IsExpanded(m_current))
+ {
+ Expand(m_current);
+ }
+ break;
- case ' ':
- case WXK_RETURN:
- {
- wxTreeEvent event( wxEVT_COMMAND_TREE_KEY_DOWN, GetId() );
- event.m_item = m_current;
- event.m_code = 0;
- event.SetEventObject( this );
- GetEventHandler()->ProcessEvent( event );
- }
- break;
+ case '-':
+ case WXK_SUBTRACT:
+ if (IsExpanded(m_current))
+ {
+ Collapse(m_current);
+ }
+ break;
- case WXK_LEFT:
- case WXK_UP:
- {
- wxTreeItemId prev = GetPrevSibling( m_current );
- if (prev != 0)
- {
- SelectItem( prev );
- EnsureVisible( prev );
- }
- else
- {
- prev = GetParent( m_current );
- if (prev)
- {
- EnsureVisible( prev );
- SelectItem( prev );
- }
- }
- }
- break;
+ case '*':
+ case WXK_MULTIPLY:
+ Toggle(m_current);
+ break;
- 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);
- // fall through
+ case ' ':
+ case WXK_RETURN:
+ {
+ wxTreeEvent event( wxEVT_COMMAND_TREE_ITEM_ACTIVATED, GetId() );
+ event.m_item = m_current;
+ event.m_code = 0;
+ event.SetEventObject( this );
+ GetEventHandler()->ProcessEvent( event );
+ }
+ break;
- case WXK_DOWN:
- {
- if (IsExpanded(m_current))
- {
- long cookie = 0;
- wxTreeItemId child = GetFirstChild( m_current, cookie );
- SelectItem( child );
- EnsureVisible( child );
- }
- else
- {
- wxTreeItemId next = GetNextSibling( m_current );
- if (next == 0)
- {
- wxTreeItemId current = m_current;
- while (current && !next)
+ // up goes to the previous sibling or to the last of its children if
+ // it's expanded
+ case WXK_UP:
{
- current = GetParent( current );
- if (current) next = GetNextSibling( current );
+ wxTreeItemId prev = GetPrevSibling( m_current );
+ if (!prev)
+ {
+ prev = GetParent( m_current );
+ if (prev)
+ {
+ long cockie = 0;
+ wxTreeItemId current = m_current;
+ if (current == GetFirstChild( prev, cockie ))
+ {
+ // otherwise we return to where we came from
+ SelectItem( prev, unselect_others, extended_select );
+ EnsureVisible( prev );
+ break;
+ }
+ }
+ }
+ if (prev)
+ {
+ while ( IsExpanded(prev) && HasChildren(prev) )
+ {
+ wxTreeItemId child = GetLastChild(prev);
+ if ( child )
+ {
+ prev = child;
+ }
+ }
+
+ SelectItem( prev, unselect_others, extended_select );
+ EnsureVisible( prev );
+ }
}
- }
- if (next != 0)
- {
- SelectItem( next );
- EnsureVisible( next );
- }
- }
- }
- break;
+ break;
- default:
- event.Skip();
- }
+ // left arrow goes to the parent
+ case WXK_LEFT:
+ {
+ wxTreeItemId prev = GetParent( m_current );
+ if (prev)
+ {
+ EnsureVisible( prev );
+ SelectItem( prev, unselect_others, extended_select );
+ }
+ }
+ break;
+
+ 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);
+ // fall through
+
+ case WXK_DOWN:
+ {
+ if (IsExpanded(m_current) && HasChildren(m_current))
+ {
+ long cookie = 0;
+ wxTreeItemId child = GetFirstChild( m_current, cookie );
+ SelectItem( child, unselect_others, extended_select );
+ EnsureVisible( child );
+ }
+ else
+ {
+ wxTreeItemId next = GetNextSibling( m_current );
+ if (next == 0)
+ {
+ wxTreeItemId current = m_current;
+ while (current && !next)
+ {
+ current = GetParent( current );
+ if (current) next = GetNextSibling( current );
+ }
+ }
+ if (next != 0)
+ {
+ SelectItem( next, unselect_others, extended_select );
+ EnsureVisible( next );
+ }
+ }
+ }
+ break;
+
+ // <End> selects the last visible tree item
+ case WXK_END:
+ {
+ wxTreeItemId last = GetRootItem();
+
+ while ( last.IsOk() && IsExpanded(last) )
+ {
+ wxTreeItemId lastChild = GetLastChild(last);
+
+ // it may happen if the item was expanded but then all of
+ // its children have been deleted - so IsExpanded() returned
+ // TRUE, but GetLastChild() returned invalid item
+ if ( !lastChild )
+ break;
+
+ last = lastChild;
+ }
+
+ if ( last.IsOk() )
+ {
+ EnsureVisible( last );
+ SelectItem( last, unselect_others, extended_select );
+ }
+ }
+ break;
+
+ // <Home> selects the root item
+ case WXK_HOME:
+ {
+ wxTreeItemId prev = GetRootItem();
+ if (prev)
+ {
+ EnsureVisible( prev );
+ SelectItem( prev, unselect_others, extended_select );
+ }
+ }
+ break;
+
+ default:
+ event.Skip();
+ }
+}
+
+wxTreeItemId wxTreeCtrl::HitTest(const wxPoint& point, int& WXUNUSED(flags))
+{
+ wxClientDC dc(this);
+ PrepareDC(dc);
+ long x = dc.DeviceToLogicalX( (long)point.x );
+ long y = dc.DeviceToLogicalY( (long)point.y );
+
+ bool onButton = FALSE;
+ return m_anchor->HitTest( wxPoint(x, y), onButton );
}
void wxTreeCtrl::OnMouse( wxMouseEvent &event )
{
- if ( !(event.LeftDown() || event.LeftDClick()) )
- return;
+ if (!event.LeftIsDown()) m_dragCount = 0;
- if ( !m_anchor )
- return;
+ if ( !(event.LeftDown() || event.LeftDClick() || event.Dragging()) ) return;
- wxClientDC dc(this);
- PrepareDC(dc);
- long x = dc.DeviceToLogicalX( (long)event.GetX() );
- long y = dc.DeviceToLogicalY( (long)event.GetY() );
+ if ( !m_anchor ) return;
- bool onButton = FALSE;
- wxGenericTreeItem *item = m_anchor->HitTest( wxPoint(x,y), onButton );
- if ( item == NULL )
- return;
+ wxClientDC dc(this);
+ PrepareDC(dc);
+ long x = dc.DeviceToLogicalX( (long)event.GetX() );
+ long y = dc.DeviceToLogicalY( (long)event.GetY() );
- if (!IsSelected(item)) SelectItem(item);
+ bool onButton = FALSE;
+ wxGenericTreeItem *item = m_anchor->HitTest( wxPoint(x,y), onButton );
- if ( event.LeftDClick() )
- {
- wxTreeEvent event( wxEVT_COMMAND_TREE_KEY_DOWN, GetId() );
- event.m_item = item;
- event.m_code = 0;
- event.SetEventObject( this );
- GetEventHandler()->ProcessEvent( event );
- }
+ if (item == NULL) return; /* we hit the blank area */
- if ( onButton )
- {
- Toggle( item );
- }
+ if (event.Dragging())
+ {
+ if (m_dragCount == 2) /* small drag latency (3?) */
+ {
+ m_dragCount = 0;
+
+ wxTreeEvent nevent(wxEVT_COMMAND_TREE_BEGIN_DRAG, GetId());
+ nevent.m_item = m_current;
+ nevent.SetEventObject(this);
+ GetEventHandler()->ProcessEvent(nevent);
+ }
+ else
+ {
+ m_dragCount++;
+ }
+ return;
+ }
+
+ bool is_multiple=(GetWindowStyleFlag() & wxTR_MULTIPLE);
+ bool extended_select=(event.ShiftDown() && is_multiple);
+ bool unselect_others=!(extended_select || (event.ControlDown() && is_multiple));
+
+ SelectItem(item, unselect_others, extended_select);
+
+ if (event.LeftDClick())
+ {
+ wxTreeEvent event( wxEVT_COMMAND_TREE_ITEM_ACTIVATED, GetId() );
+ event.m_item = item;
+ event.m_code = 0;
+ event.SetEventObject( this );
+ GetEventHandler()->ProcessEvent( event );
+ }
+
+ if (onButton)
+ {
+ Toggle( item );
+ }
}
void wxTreeCtrl::OnIdle( wxIdleEvent &WXUNUSED(event) )
{
- if (!m_dirty) return;
+ /* after all changes have been done to the tree control,
+ * we actually redraw the tree when everything is over */
- m_dirty = FALSE;
+ if (!m_dirty)
+ return;
- CalculatePositions();
+ m_dirty = FALSE;
- AdjustMyScrollbars();
+ CalculatePositions();
+
+ AdjustMyScrollbars();
}
// -----------------------------------------------------------------------------
-// -----------------------------------------------------------------------------
-void wxTreeCtrl::CalculateLevel( wxGenericTreeItem *item,
- wxDC &dc,
- int level,
- int &y )
+
+void wxTreeCtrl::CalculateLevel( wxGenericTreeItem *item, wxDC &dc, int level, int &y )
{
- int horizX = level*m_indent;
+ int horizX = level*m_indent;
- item->SetX( horizX+33 );
- item->SetY( y-m_lineHeight/3-2 );
- item->SetHeight( m_lineHeight );
+ item->SetX( horizX+m_indent+m_spacing );
+ item->SetY( y-m_lineHeight/2 );
+ item->SetHeight( m_lineHeight );
- if ( item->IsExpanded() )
- return;
+ if ( !item->IsExpanded() )
+ {
+ // we dont need to calculate collapsed branches
+ return;
+ }
- wxArrayTreeItems& children = item->GetChildren();
- size_t count = children.Count();
- for ( size_t n = 0; n < count; n++ )
- {
- y += m_lineHeight;
- CalculateLevel( children[n], dc, level+1, y );
- }
+ wxArrayTreeItems& children = item->GetChildren();
+ size_t count = children.Count();
+ for ( size_t n = 0; n < count; n++ )
+ {
+ y += m_lineHeight;
+ CalculateLevel( children[n], dc, level+1, y ); // recurse
+ }
}
void wxTreeCtrl::CalculatePositions()
{
- if ( !m_anchor )
- return;
+ if ( !m_anchor ) return;
- wxClientDC dc(this);
- PrepareDC( dc );
+ wxClientDC dc(this);
+ PrepareDC( dc );
- dc.SetFont( wxSystemSettings::GetSystemFont( wxSYS_SYSTEM_FONT ) );
+ dc.SetFont( wxSystemSettings::GetSystemFont( wxSYS_DEFAULT_GUI_FONT ) );
- dc.SetPen( m_dottedPen );
- m_lineHeight = (int)(dc.GetCharHeight() + 4);
+ dc.SetPen( m_dottedPen );
+ if(GetImageList() == NULL)
+ m_lineHeight = (int)(dc.GetCharHeight() + 4);
- int y = m_lineHeight / 2 + 2;
- CalculateLevel( m_anchor, dc, 0, y );
+ int y = m_lineHeight / 2 + 2;
+ CalculateLevel( m_anchor, dc, 0, y ); // start recursion
}
void wxTreeCtrl::RefreshSubtree(wxGenericTreeItem *item)
{
- wxClientDC dc(this);
- PrepareDC(dc);
+ wxClientDC dc(this);
+ PrepareDC(dc);
- int cw = 0;
- int ch = 0;
- GetClientSize( &cw, &ch );
+ int cw = 0;
+ int ch = 0;
+ GetClientSize( &cw, &ch );
- wxRect rect;
- rect.x = dc.LogicalToDeviceX( 0 );
- rect.width = cw;
- rect.y = dc.LogicalToDeviceY( item->GetY() );
- rect.height = ch;
+ wxRect rect;
+ rect.x = dc.LogicalToDeviceX( 0 );
+ rect.width = cw;
+ rect.y = dc.LogicalToDeviceY( item->GetY() );
+ rect.height = ch;
- Refresh( TRUE, &rect );
+ Refresh( TRUE, &rect );
- AdjustMyScrollbars();
+ AdjustMyScrollbars();
}
void wxTreeCtrl::RefreshLine( wxGenericTreeItem *item )
{
- wxClientDC dc(this);
- PrepareDC( dc );
-
- wxRect rect;
- rect.x = dc.LogicalToDeviceX( item->GetX() - 2 );
- rect.y = dc.LogicalToDeviceY( item->GetY() - 2 );
- rect.width = 1000;
- rect.height = dc.GetCharHeight() + 6;
- Refresh( TRUE, &rect );
+ wxClientDC dc(this);
+ PrepareDC( dc );
+
+ wxRect rect;
+ rect.x = dc.LogicalToDeviceX( item->GetX() - 2 );
+ rect.y = dc.LogicalToDeviceY( item->GetY() - 2 );
+ rect.width = 1000;
+ rect.height = dc.GetCharHeight() + 6;
+
+ Refresh( TRUE, &rect );
}
projects / wxWidgets.git / blobdiff