/////////////////////////////////////////////////////////////////////////////
// Name: treectrl.cpp
-// Purpose:
+// Purpose: generic tree control implementation
// Author: Robert Roebling
// Created: 01/02/97
-// Id:
+// Modified: 22/10/98 - almost total rewrite, simpler interface (VZ)
+// Id: $Id$
// Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
+// =============================================================================
+// declarations
+// =============================================================================
+
+// -----------------------------------------------------------------------------
+// headers
+// -----------------------------------------------------------------------------
+
#ifdef __GNUG__
-#pragma implementation "treectrl.h"
+ #pragma implementation "treectrl.h"
+#endif
+
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+#pragma hdrstop
#endif
-#include "wx/treectrl.h"
+#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/msgdlg.h"
+
+// -----------------------------------------------------------------------------
+// array types
+// -----------------------------------------------------------------------------
-//-----------------------------------------------------------------------------
-// wxTreeItem
-//-----------------------------------------------------------------------------
+class WXDLLEXPORT wxGenericTreeItem;
-IMPLEMENT_DYNAMIC_CLASS(wxTreeItem, wxObject)
+WX_DEFINE_ARRAY(wxGenericTreeItem *, wxArrayTreeItems);
-wxTreeItem::wxTreeItem(void)
+// -----------------------------------------------------------------------------
+// private classes
+// -----------------------------------------------------------------------------
+
+// a tree item
+class WXDLLEXPORT wxGenericTreeItem
{
- m_mask = 0;
- m_itemId = 0;
- m_state = 0;
- m_stateMask = 0;
- m_image = -1;
- m_selectedImage = -1;
- m_children = 0;
- m_data = 0;
+public:
+ // ctors & dtor
+ wxGenericTreeItem() { m_data = NULL; }
+ wxGenericTreeItem( wxGenericTreeItem *parent,
+ const wxString& text,
+ wxDC& dc,
+ int image, int selImage,
+ wxTreeItemData *data );
+
+ ~wxGenericTreeItem();
+
+ // trivial accessors
+ wxArrayTreeItems& GetChildren() { return m_children; }
+
+ const wxString& GetText() const { return m_text; }
+ int GetImage() const { return m_image; }
+ int GetSelectedImage() const { return m_selImage; }
+ wxTreeItemData *GetData() const { return m_data; }
+
+ void SetText( const wxString &text, wxDC& dc );
+ void SetImage(int image) { m_image = image; }
+ void SetSelectedImage(int image) { m_selImage = image; }
+ void SetData(wxTreeItemData *data) { m_data = data; }
+
+ void SetHasPlus(bool has = TRUE) { m_hasPlus = has; }
+
+ void SetBold(bool bold) { m_isBold = bold; }
+
+ int GetX() const { return m_x; }
+ int GetY() const { return m_y; }
+
+ 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')
+ size_t GetChildrenCount(bool recursively = TRUE) const;
+
+ void Insert(wxGenericTreeItem *child, size_t index)
+ { m_children.Insert(child, index); }
+
+ void SetCross( int x, int y );
+ void GetSize( int &x, int &y );
+
+ // return the item at given position (or NULL if no item), onButton is TRUE
+ // if the point belongs to the item's button, otherwise it lies on the
+ // button's label
+ wxGenericTreeItem *HitTest( const wxPoint& point, bool &onButton );
+
+ void Expand() { m_isCollapsed = FALSE; }
+ void Collapse() { m_isCollapsed = TRUE; }
+
+ void SetHilight( bool set = TRUE ) { m_hasHilight = set; }
+
+ // status inquiries
+ bool HasChildren() const { return !m_children.IsEmpty(); }
+ bool HasHilight() const { return m_hasHilight; }
+ bool IsExpanded() const { return !m_isCollapsed; }
+ bool HasPlus() const { return m_hasPlus || HasChildren(); }
+ bool IsBold() const { return m_isBold; }
+
+private:
+ wxString m_text;
+
+ int m_image,
+ m_selImage;
+
+ wxTreeItemData *m_data;
+
+ // use bitfields to save size
+ int m_isCollapsed :1;
+ int m_hasHilight :1; // same as focused
+ int m_hasPlus :1; // used for item which doesn't have
+ // children but still has a [+] button
+ int m_isBold :1; // render the label in bold font
+
+ int m_x, m_y;
+ long m_text_height, m_text_width;
+ int m_xCross, m_yCross;
+ int m_level;
+ wxArrayTreeItems m_children;
+ wxGenericTreeItem *m_parent;
};
-//-----------------------------------------------------------------------------
+// =============================================================================
+// implementation
+// =============================================================================
+
+// -----------------------------------------------------------------------------
// wxTreeEvent
-//-----------------------------------------------------------------------------
+// -----------------------------------------------------------------------------
-IMPLEMENT_DYNAMIC_CLASS(wxTreeEvent,wxCommandEvent)
+IMPLEMENT_DYNAMIC_CLASS(wxTreeEvent, wxNotifyEvent)
-wxTreeEvent::wxTreeEvent( wxEventType commandType, int id ) :
- wxCommandEvent( commandType, id )
+wxTreeEvent::wxTreeEvent( wxEventType commandType, int id )
+ : wxNotifyEvent( commandType, id )
{
m_code = 0;
- m_oldItem = 0;
-};
+ m_itemOld = (wxGenericTreeItem *)NULL;
+}
-//-----------------------------------------------------------------------------
+// -----------------------------------------------------------------------------
// wxGenericTreeItem
-//-----------------------------------------------------------------------------
+// -----------------------------------------------------------------------------
+
+wxGenericTreeItem::wxGenericTreeItem(wxGenericTreeItem *parent,
+ const wxString& text,
+ wxDC& dc,
+ int image, int selImage,
+ wxTreeItemData *data)
+ : m_text(text)
+{
+ m_image = image;
+ m_selImage = selImage;
+ m_data = data;
+ m_x = m_y = 0;
+ m_xCross = m_yCross = 0;
-IMPLEMENT_DYNAMIC_CLASS(wxGenericTreeItem,wxObject)
+ m_level = 0;
-wxGenericTreeItem::wxGenericTreeItem( wxGenericTreeItem *parent )
-{
- Reset();
- m_parent = parent;
+ m_isCollapsed = TRUE;
m_hasHilight = FALSE;
-};
+ m_hasPlus = FALSE;
+ m_isBold = FALSE;
-wxGenericTreeItem::wxGenericTreeItem( wxGenericTreeItem *parent, const wxTreeItem& item, wxDC *dc )
-{
- Reset();
- SetItem( item, dc );
m_parent = parent;
- m_hasHilight = FALSE;
-};
-void wxGenericTreeItem::SetItem( const wxTreeItem &item, wxDC *dc )
-{
- if ((item.m_mask & wxTREE_MASK_HANDLE) == wxTREE_MASK_HANDLE)
- m_itemId = item.m_itemId;
- if ((item.m_mask & wxTREE_MASK_STATE) == wxTREE_MASK_STATE)
- m_state = item.m_state;
- if ((item.m_mask & wxTREE_MASK_TEXT) == wxTREE_MASK_TEXT)
- m_text = item.m_text;
- if ((item.m_mask & wxTREE_MASK_IMAGE) == wxTREE_MASK_IMAGE)
- m_image = item.m_image;
- if ((item.m_mask & wxTREE_MASK_SELECTED_IMAGE) == wxTREE_MASK_SELECTED_IMAGE)
- m_selectedImage = item.m_selectedImage;
- if ((item.m_mask & wxTREE_MASK_CHILDREN) == wxTREE_MASK_CHILDREN)
- m_hasChildren = (item.m_children > 0);
- if ((item.m_mask & wxTREE_MASK_DATA) == wxTREE_MASK_DATA)
- m_data = item.m_data;
- long lw = 0;
- long lh = 0;
- dc->GetTextExtent( m_text, &lw, &lh );
- m_width = lw;
- m_height = lh;
-};
+ dc.GetTextExtent( m_text, &m_text_width, &m_text_height );
+}
-void wxGenericTreeItem::SetText( const wxString &text, wxDC *dc )
+wxGenericTreeItem::~wxGenericTreeItem()
{
- m_text = text;
- long lw = 0;
- long lh = 0;
- dc->GetTextExtent( m_text, &lw, &lh );
- m_width = lw;
- m_height = lh;
-};
-
-void wxGenericTreeItem::Reset(void)
-{
- m_itemId = -1;
- m_state = 0;
- m_text = "";
- m_image = -1;
- m_selectedImage = -1;
-// m_children = 0;
- m_hasChildren = FALSE;
- m_data = 0;
- m_x = 0;
- m_y = 0;
- m_height = 0;
- m_width = 0;
- m_xCross = 0;
- m_yCross = 0;
- m_level = 0;
- m_children.DeleteContents( TRUE );
- m_parent = NULL;
-};
+ delete m_data;
-void wxGenericTreeItem::GetItem( wxTreeItem &item ) const
-{
- if ((item.m_mask & wxTREE_MASK_STATE) == wxTREE_MASK_STATE)
- item.m_state = m_state;
- if ((item.m_mask & wxTREE_MASK_TEXT) == wxTREE_MASK_TEXT)
- item.m_text = m_text;
- if ((item.m_mask & wxTREE_MASK_IMAGE) == wxTREE_MASK_IMAGE)
- item.m_image = m_image;
- if ((item.m_mask & wxTREE_MASK_SELECTED_IMAGE) == wxTREE_MASK_SELECTED_IMAGE)
- item.m_selectedImage = m_selectedImage;
- if ((item.m_mask & wxTREE_MASK_CHILDREN) == wxTREE_MASK_CHILDREN)
- item.m_children = (int)m_hasChildren;
- if ((item.m_mask & wxTREE_MASK_DATA) == wxTREE_MASK_DATA)
- item.m_data = m_data;
-};
+ wxASSERT_MSG( m_children.IsEmpty(),
+ _T("please call DeleteChildren() before deleting the item") );
+}
-bool wxGenericTreeItem::HasChildren(void)
+void wxGenericTreeItem::DeleteChildren(wxTreeCtrl *tree)
{
- return m_hasChildren;
-};
+ size_t count = m_children.Count();
+ for ( size_t n = 0; n < count; n++ )
+ {
+ wxGenericTreeItem *child = m_children[n];
+ if ( tree )
+ {
+ tree->SendDeleteEvent(child);
+ }
-bool wxGenericTreeItem::HasPlus(void)
-{
- return (m_hasChildren && (m_children.Number() == 0));
-};
+ child->DeleteChildren(tree);
+ delete child;
+ }
+
+ m_children.Empty();
+}
-int wxGenericTreeItem::NumberOfVisibleDescendents(void)
+void wxGenericTreeItem::SetText( const wxString &text, wxDC& dc )
{
- int ret = m_children.Number();
- wxNode *node = m_children.First();
- while (node)
- {
- wxGenericTreeItem *item = (wxGenericTreeItem*)node->Data();
- ret += item->NumberOfVisibleDescendents();
- node = node->Next();
- };
- return ret;
-};
+ m_text = text;
+
+ dc.GetTextExtent( m_text, &m_text_width, &m_text_height );
+}
-int wxGenericTreeItem::NumberOfVisibleChildren(void)
+void wxGenericTreeItem::Reset()
{
- return m_children.Number();
-};
+ m_text.Empty();
+ m_image =
+ m_selImage = -1;
+ m_data = NULL;
+ m_x = m_y =
+ m_text_height = m_text_width = 0;
+ m_xCross =
+ m_yCross = 0;
+
+ m_level = 0;
-wxGenericTreeItem *wxGenericTreeItem::FindItem( long itemId ) const
+ DeleteChildren();
+ m_isCollapsed = TRUE;
+
+ m_parent = (wxGenericTreeItem *)NULL;
+}
+
+size_t wxGenericTreeItem::GetChildrenCount(bool recursively) const
{
- if (m_itemId == itemId) return (wxGenericTreeItem*)(this);
- wxNode *node = m_children.First();
- while (node)
+ size_t count = m_children.Count();
+ if ( !recursively )
+ return count;
+
+ size_t total = count;
+ for ( size_t n = 0; n < count; n++ )
{
- wxGenericTreeItem *item = (wxGenericTreeItem*)node->Data();
- wxGenericTreeItem *res = item->FindItem( itemId );
- if (res) return (wxGenericTreeItem*)(res);
- node = node->Next();
- };
- return NULL;
-};
+ total += m_children[n]->GetChildrenCount();
+ }
-void wxGenericTreeItem::AddChild( wxGenericTreeItem *child )
-{
- m_children.Append( child );
-};
+ return total;
+}
void wxGenericTreeItem::SetCross( int x, int y )
{
m_xCross = x;
m_yCross = y;
-};
+}
void wxGenericTreeItem::GetSize( int &x, int &y )
{
- if (y < m_y + 10) y = m_y +10;
- int width = m_x + m_width;
+ if ( y < m_y ) y = m_y;
+ int width = m_x + m_text_width;
if (width > x) x = width;
- wxNode *node = m_children.First();
- while (node)
- {
- wxGenericTreeItem *item = (wxGenericTreeItem*)node->Data();
- item->GetSize( x, y );
- node = node->Next();
- };
-};
-long wxGenericTreeItem::HitTest( const wxPoint& point, int &flags )
-{
- if (m_parent && ((point.y > m_y) && (point.y < m_y+m_height)))
+ if (IsExpanded())
{
- if ((point.x > m_xCross-5) &&
- (point.x < m_xCross+5) &&
- (point.y > m_yCross-5) &&
- (point.y < m_yCross+5) &&
- (m_hasChildren))
- {
- flags = wxTREE_HITTEST_ONITEMBUTTON;
- return m_itemId;
- };
- if ((point.x > m_x) && (point.x < m_x+m_width))
- {
- flags = wxTREE_HITTEST_ONITEMLABEL;
- return m_itemId;
- };
- if (point.x > m_x)
- {
- flags = wxTREE_HITTEST_ONITEMRIGHT;
- return m_itemId;
- };
- flags = wxTREE_HITTEST_ONITEMINDENT;
- return m_itemId;
+ size_t count = m_children.Count();
+ for ( size_t n = 0; n < count; n++ )
+ {
+ m_children[n]->GetSize( x, y );
+ }
}
- else
- {
- wxNode *node = m_children.First();
- while (node)
- {
- wxGenericTreeItem *child = (wxGenericTreeItem*)node->Data();
- long res = child->HitTest( point, flags );
- if (res != -1) return res;
- node = node->Next();
- };
- };
- return -1;
-};
-
-void wxGenericTreeItem::PrepareEvent( wxTreeEvent &event )
-{
- event.m_item.m_itemId = m_itemId;
- event.m_item.m_state = m_state;
- event.m_item.m_text = m_text;
- event.m_item.m_image = m_image;
- event.m_item.m_selectedImage = m_selectedImage;
- event.m_item.m_children = (int)m_hasChildren;
- event.m_item.m_data = m_data;
- event.m_oldItem = 0;
- event.m_code = 0;
- event.m_pointDrag.x = 0;
- event.m_pointDrag.y = 0;
-};
-
-void wxGenericTreeItem::SendKeyDown( wxWindow *target )
-{
- wxTreeEvent event( wxEVT_COMMAND_TREE_KEY_DOWN, target->GetId() );
- PrepareEvent( event );
- event.SetEventObject( target );
- target->ProcessEvent( event );
-};
-
-void wxGenericTreeItem::SendSelected( wxWindow *target )
-{
- wxTreeEvent event( wxEVT_COMMAND_TREE_SEL_CHANGED, target->GetId() );
- PrepareEvent( event );
- event.SetEventObject( target );
- target->ProcessEvent( event );
-};
+}
-void wxGenericTreeItem::SendDelete( wxWindow *target )
+wxGenericTreeItem *wxGenericTreeItem::HitTest( const wxPoint& point,
+ bool &onButton )
{
- wxTreeEvent event( wxEVT_COMMAND_TREE_DELETE_ITEM,
- target->GetId() );
- PrepareEvent( event );
- event.SetEventObject( target );
- target->ProcessEvent( event );
-};
+ 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()))
+ {
+ onButton = TRUE;
+ return this;
+ }
-void wxGenericTreeItem::SendExpand( wxWindow *target )
-{
- wxTreeEvent event( wxEVT_COMMAND_TREE_ITEM_EXPANDED,
- target->GetId() );
- PrepareEvent( event );
- event.SetEventObject( target );
- target->ProcessEvent( event );
-};
+ /* 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;
-void wxGenericTreeItem::SetHilight( bool set )
-{
- m_hasHilight = set;
-};
+ if ((point.x > m_x) && (point.x < m_x+w))
+ {
+ onButton = FALSE;
+ return this;
+ }
+ }
+ else
+ {
+ if (!m_isCollapsed)
+ {
+ size_t count = m_children.Count();
+ for ( size_t n = 0; n < count; n++ )
+ {
+ wxGenericTreeItem *res = m_children[n]->HitTest( point, onButton );
+ if ( res != NULL )
+ return res;
+ }
+ }
+ }
-bool wxGenericTreeItem::HasHilight(void)
-{
- return m_hasHilight;
-};
+ return NULL;
+}
-//-----------------------------------------------------------------------------
-// wxTreeCtrl
-//-----------------------------------------------------------------------------
+// -----------------------------------------------------------------------------
+// wxTreeCtrl implementation
+// -----------------------------------------------------------------------------
-IMPLEMENT_DYNAMIC_CLASS(wxTreeCtrl,wxScrolledWindow
-)
+IMPLEMENT_DYNAMIC_CLASS(wxTreeCtrl, wxScrolledWindow)
BEGIN_EVENT_TABLE(wxTreeCtrl,wxScrolledWindow)
EVT_PAINT (wxTreeCtrl::OnPaint)
EVT_CHAR (wxTreeCtrl::OnChar)
EVT_SET_FOCUS (wxTreeCtrl::OnSetFocus)
EVT_KILL_FOCUS (wxTreeCtrl::OnKillFocus)
+ EVT_IDLE (wxTreeCtrl::OnIdle)
END_EVENT_TABLE()
-wxTreeCtrl::wxTreeCtrl(void)
+// -----------------------------------------------------------------------------
+// construction/destruction
+// -----------------------------------------------------------------------------
+void wxTreeCtrl::Init()
{
- m_current = NULL;
- m_anchor = NULL;
+ m_current =
+ m_anchor = (wxGenericTreeItem *) NULL;
m_hasFocus = FALSE;
- m_xScroll = 0;
- m_yScroll = 0;
- m_lastId = 0;
- m_lineHeight = 10;
- m_indent = 15;
- m_isCreated = FALSE;
- m_dc = NULL;
- m_hilightBrush = new wxBrush( wxSystemSettings::GetSystemColour(wxSYS_COLOUR_HIGHLIGHT), wxSOLID );
-};
+ m_dirty = FALSE;
-wxTreeCtrl::wxTreeCtrl(wxWindow *parent, const wxWindowID id,
- const wxPoint& pos,
- const wxSize& size,
- const long style, const wxString& name )
-{
- m_current = NULL;
- m_anchor = NULL;
- m_hasFocus = FALSE;
m_xScroll = 0;
m_yScroll = 0;
- m_lastId = 0;
m_lineHeight = 10;
m_indent = 15;
- m_isCreated = FALSE;
- m_dc = NULL;
- m_hilightBrush = new wxBrush( wxSystemSettings::GetSystemColour(wxSYS_COLOUR_HIGHLIGHT), wxSOLID );
- Create( parent, id, pos, size, style, name );
-};
+ m_spacing = 18;
-wxTreeCtrl::~wxTreeCtrl(void)
-{
- if (m_dc) delete m_dc;
-};
+ m_hilightBrush = new wxBrush
+ (
+ wxSystemSettings::GetSystemColour(wxSYS_COLOUR_HIGHLIGHT),
+ wxSOLID
+ );
-bool wxTreeCtrl::Create(wxWindow *parent, const wxWindowID id,
- const wxPoint& pos,
- const wxSize& size,
- const long style
-, const wxString& name )
+ 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 wxValidator &validator,
+ const wxString& name )
{
- wxScrolledWindow::Create( parent, id, pos, size, style, name );
+ Init();
+
+ wxScrolledWindow::Create( parent, id, pos, size, style|wxHSCROLL|wxVSCROLL, name );
+
+ SetValidator( validator );
+
SetBackgroundColour( *wxWHITE );
m_dottedPen = wxPen( *wxBLACK, 0, 0 );
+
return TRUE;
-};
+}
-int wxTreeCtrl::GetCount(void) const
+wxTreeCtrl::~wxTreeCtrl()
{
- if (!m_anchor) return 0;
- return m_anchor->NumberOfVisibleDescendents();
-};
+ wxDELETE( m_hilightBrush );
-long wxTreeCtrl::InsertItem( const long parent, const wxString& label, const int image,
- const int selImage, const long WXUNUSED(insertAfter) )
+ DeleteAllItems();
+}
+
+// -----------------------------------------------------------------------------
+// accessors
+// -----------------------------------------------------------------------------
+
+size_t wxTreeCtrl::GetCount() const
{
- wxGenericTreeItem *p = NULL;
- if (parent == 0)
- {
- if (m_anchor) return -1;
- }
- else
- {
- p = FindItem( parent );
- if (!p) return -1;
- };
- wxTreeItem item;
- m_lastId++;
- item.m_mask = wxTREE_MASK_HANDLE;
- item.m_itemId = m_lastId;
- if (!label.IsNull() || (label == ""))
- {
- item.m_text = label;
- item.m_mask |= wxTREE_MASK_TEXT;
- };
- if (image >= 0)
- {
- item.m_image = image;
- item.m_mask |= wxTREE_MASK_IMAGE;
- };
- if (selImage >= 0)
- {
- item.m_selectedImage = selImage;
- item.m_mask |= wxTREE_MASK_SELECTED_IMAGE;
- };
+ return m_anchor == NULL ? 0u : m_anchor->GetChildrenCount();
+}
- wxClientDC dc(this);
- wxGenericTreeItem *new_child = new wxGenericTreeItem( p, item, &dc );
- if (p)
- p->AddChild( new_child );
- else
- m_anchor = new_child;
+void wxTreeCtrl::SetIndent(unsigned int indent)
+{
+ m_indent = indent;
+ m_dirty = TRUE;
+ Refresh();
+}
- if (p)
- {
- CalculatePositions();
+void wxTreeCtrl::SetSpacing(unsigned int spacing)
+{
+ m_spacing = spacing;
+ m_dirty = TRUE;
+ Refresh();
+}
- int ch = 0;
- GetClientSize( NULL, &ch );
+size_t wxTreeCtrl::GetChildrenCount(const wxTreeItemId& item, bool recursively)
+{
+ wxCHECK_MSG( item.IsOk(), 0u, _T("invalid tree item") );
- wxRectangle rect;
- rect.x = 0; rect.y = 0;
- rect.width = 10000; rect.height = ch;
+ return item.m_pItem->GetChildrenCount(recursively);
+}
- PrepareDC( dc );
- if (p->m_children.Number() == 1)
- {
- rect.y = dc.LogicalToDeviceY( p->m_y );
- }
- else
- {
- wxNode *node = p->m_children.Member( new_child )->Previous();
- wxGenericTreeItem* last_child = (wxGenericTreeItem*)node->Data();
- rect.y = dc.LogicalToDeviceY( last_child->m_y );
- };
+// -----------------------------------------------------------------------------
+// functions to work with tree items
+// -----------------------------------------------------------------------------
- long doX = 0;
- long doY = 0;
- dc.GetDeviceOrigin( &doX, &doY );
- rect.height = ch-rect.y-doY;
+wxString wxTreeCtrl::GetItemText(const wxTreeItemId& item) const
+{
+ wxCHECK_MSG( item.IsOk(), _T(""), _T("invalid tree item") );
- AdjustMyScrollbars();
+ return item.m_pItem->GetText();
+}
- if (rect.height > 0) Refresh( FALSE, &rect);
- }
- else
- {
- AdjustMyScrollbars();
+int wxTreeCtrl::GetItemImage(const wxTreeItemId& item) const
+{
+ wxCHECK_MSG( item.IsOk(), -1, _T("invalid tree item") );
- Refresh();
- };
+ return item.m_pItem->GetImage();
+}
- return m_lastId;
-};
+int wxTreeCtrl::GetItemSelectedImage(const wxTreeItemId& item) const
+{
+ wxCHECK_MSG( item.IsOk(), -1, _T("invalid tree item") );
-long wxTreeCtrl::InsertItem( const long parent, wxTreeItem &info, const long WXUNUSED(insertAfter) )
+ return item.m_pItem->GetSelectedImage();
+}
+
+wxTreeItemData *wxTreeCtrl::GetItemData(const wxTreeItemId& item) const
{
- int oldMask = info.m_mask;
- wxGenericTreeItem *p = NULL;
- if (parent == 0)
- {
- if (m_anchor) return -1;
- }
- else
- {
- p = FindItem( parent );
- if (!p)
- {
- printf( "TreeItem not found.\n" );
- return -1;
- };
- };
- long ret = 0;
- if ((info.m_mask & wxTREE_MASK_HANDLE) == 0)
- {
- m_lastId++;
- info.m_itemId = m_lastId;
- info.m_mask |= wxTREE_MASK_HANDLE;
- ret = m_lastId;
- }
- else
- {
- ret = info.m_itemId;
- };
+ wxCHECK_MSG( item.IsOk(), NULL, _T("invalid tree item") );
- wxClientDC dc(this);
- wxGenericTreeItem *new_child = new wxGenericTreeItem( p, info, &dc );
- if (p)
- p->AddChild( new_child );
- else
- m_anchor = new_child;
+ return item.m_pItem->GetData();
+}
- if (p)
- {
- CalculatePositions();
+void wxTreeCtrl::SetItemText(const wxTreeItemId& item, const wxString& text)
+{
+ wxCHECK_RET( item.IsOk(), _T("invalid tree item") );
- int ch = 0;
- GetClientSize( NULL, &ch );
+ wxClientDC dc(this);
+ wxGenericTreeItem *pItem = item.m_pItem;
+ pItem->SetText(text, dc);
+ RefreshLine(pItem);
+}
- wxRectangle rect;
- rect.x = 0; rect.y = 0;
- rect.width = 10000; rect.height = ch;
+void wxTreeCtrl::SetItemImage(const wxTreeItemId& item, int image)
+{
+ wxCHECK_RET( item.IsOk(), _T("invalid tree item") );
- PrepareDC( dc );
- if (p->m_children.Number() == 1)
- {
- rect.y = dc.LogicalToDeviceY( p->m_y );
- }
- else
- {
- wxNode *node = p->m_children.Member( new_child )->Previous();
- wxGenericTreeItem* last_child = (wxGenericTreeItem*)node->Data();
- rect.y = dc.LogicalToDeviceY( last_child->m_y );
- };
+ wxGenericTreeItem *pItem = item.m_pItem;
+ pItem->SetImage(image);
+ RefreshLine(pItem);
+}
- long doX = 0;
- long doY = 0;
- dc.GetDeviceOrigin( &doX, &doY );
- rect.height = ch-rect.y-doY;
+void wxTreeCtrl::SetItemSelectedImage(const wxTreeItemId& item, int image)
+{
+ wxCHECK_RET( item.IsOk(), _T("invalid tree item") );
- AdjustMyScrollbars();
+ wxGenericTreeItem *pItem = item.m_pItem;
+ pItem->SetSelectedImage(image);
+ RefreshLine(pItem);
+}
- if (rect.height > 0) Refresh( FALSE, &rect);
- }
- else
- {
- AdjustMyScrollbars();
+void wxTreeCtrl::SetItemData(const wxTreeItemId& item, wxTreeItemData *data)
+{
+ wxCHECK_RET( item.IsOk(), _T("invalid tree item") );
- Refresh();
- };
+ item.m_pItem->SetData(data);
+}
- info.m_mask = oldMask;
- return ret;
-};
+void wxTreeCtrl::SetItemHasChildren(const wxTreeItemId& item, bool has)
+{
+ wxCHECK_RET( item.IsOk(), _T("invalid tree item") );
+
+ wxGenericTreeItem *pItem = item.m_pItem;
+ pItem->SetHasPlus(has);
+ RefreshLine(pItem);
+}
-bool wxTreeCtrl::ExpandItem( const long item, const int action )
+void wxTreeCtrl::SetItemBold(const wxTreeItemId& item, bool bold)
{
- wxGenericTreeItem *i = FindItem( item );
- if (!i) return FALSE;
- switch (action)
+ wxCHECK_RET( item.IsOk(), _T("invalid tree item") );
+
+ // avoid redrawing the tree if no real change
+ wxGenericTreeItem *pItem = item.m_pItem;
+ if ( pItem->IsBold() != bold )
{
- case wxTREE_EXPAND_EXPAND:
- {
- i->SendExpand( this );
- break;
- };
- case wxTREE_EXPAND_COLLAPSE_RESET:
- case wxTREE_EXPAND_COLLAPSE:
- {
- wxNode *node = i->m_children.First();
- while (node)
- {
- wxGenericTreeItem *child = (wxGenericTreeItem*)node->Data();
- child->SendDelete( this );
- delete node;
- node = i->m_children.First();
- };
-
- int cw = 0;
- int ch = 0;
- GetClientSize( &cw, &ch );
- wxRect rect;
- rect.x = 0;
- rect.width = cw;
- wxClientDC dc(this);
- PrepareDC(dc);
- rect.y = dc.LogicalToDeviceY( i->m_y );
-
- long doY = 0;
- dc.GetDeviceOrigin( NULL, &doY );
- rect.height = ch-rect.y-doY;
- Refresh( TRUE, &rect );
-
- AdjustMyScrollbars();
- break;
- };
- case wxTREE_EXPAND_TOGGLE:
- {
- if (i->HasPlus())
- ExpandItem( item, wxTREE_EXPAND_EXPAND );
- else
- ExpandItem( item, wxTREE_EXPAND_COLLAPSE );
- break;
- };
- };
- return TRUE;
-};
+ pItem->SetBold(bold);
+ RefreshLine(pItem);
+ }
+}
-bool wxTreeCtrl::DeleteAllItems(void)
-{
- delete m_anchor;
- m_anchor = NULL;
- Refresh();
- return TRUE;
-};
+// -----------------------------------------------------------------------------
+// item status inquiries
+// -----------------------------------------------------------------------------
-bool wxTreeCtrl::GetItem( wxTreeItem &info ) const
+bool wxTreeCtrl::IsVisible(const wxTreeItemId& WXUNUSED(item)) const
{
- wxGenericTreeItem *i = FindItem( info.m_itemId );
- if (!i) return FALSE;
- i->GetItem( info );
+ wxFAIL_MSG(_T("not implemented"));
+
return TRUE;
-};
+}
-long wxTreeCtrl::GetItemData( const long item ) const
+bool wxTreeCtrl::ItemHasChildren(const wxTreeItemId& item) const
{
- wxGenericTreeItem *i = FindItem( item );
- if (!i) return 0;
- return i->m_data;
-};
+ wxCHECK_MSG( item.IsOk(), FALSE, _T("invalid tree item") );
-wxString wxTreeCtrl::GetItemText( const long item ) const
-{
- wxGenericTreeItem *i = FindItem( item );
- if (!i) return "";
- return i->m_text;
-};
+ return !item.m_pItem->GetChildren().IsEmpty();
+}
-long wxTreeCtrl::GetParent( const long item ) const
+bool wxTreeCtrl::IsExpanded(const wxTreeItemId& item) const
{
- wxGenericTreeItem *i = FindItem( item );
- if (!i) return -1;
- i = i->m_parent;
- if (!i) return -1;
- return i->m_parent->m_itemId;
-};
+ wxCHECK_MSG( item.IsOk(), FALSE, _T("invalid tree item") );
-long wxTreeCtrl::GetRootItem(void) const
-{
- if (m_anchor) return m_anchor->m_itemId;
- return -1;
-};
+ return item.m_pItem->IsExpanded();
+}
-long wxTreeCtrl::GetSelection(void) const
+bool wxTreeCtrl::IsSelected(const wxTreeItemId& item) const
{
- return 0;
-};
+ wxCHECK_MSG( item.IsOk(), FALSE, _T("invalid tree item") );
-bool wxTreeCtrl::SelectItem( const long WXUNUSED(item) ) const
-{
- return FALSE;
-};
+ return item.m_pItem->HasHilight();
+}
-bool wxTreeCtrl::ItemHasChildren( const long item ) const
+bool wxTreeCtrl::IsBold(const wxTreeItemId& item) const
{
- wxGenericTreeItem *i = FindItem( item );
- if (!i) return FALSE;
- return i->m_hasChildren;
-};
+ wxCHECK_MSG( item.IsOk(), FALSE, _T("invalid tree item") );
-void wxTreeCtrl::SetIndent( const int indent )
-{
- m_indent = indent;
- Refresh();
-};
+ return item.m_pItem->IsBold();
+}
-int wxTreeCtrl::GetIndent(void) const
-{
- return m_indent;
-};
+// -----------------------------------------------------------------------------
+// navigation
+// -----------------------------------------------------------------------------
-bool wxTreeCtrl::SetItem( wxTreeItem &info )
+wxTreeItemId wxTreeCtrl::GetParent(const wxTreeItemId& item) const
{
- wxGenericTreeItem *i = FindItem( info.m_itemId );
- if (!i) return FALSE;
- wxClientDC dc(this);
- i->SetItem( info, &dc );
- return TRUE;
-};
+ wxCHECK_MSG( item.IsOk(), wxTreeItemId(), _T("invalid tree item") );
-bool wxTreeCtrl::SetItemData( const long item, const long data )
-{
- wxGenericTreeItem *i = FindItem( item );
- if (!i) return FALSE;
- i->m_data = data;
- return TRUE;
-};
+ return item.m_pItem->GetParent();
+}
-bool wxTreeCtrl::SetItemText( const long item, const wxString &text )
+wxTreeItemId wxTreeCtrl::GetFirstChild(const wxTreeItemId& item, long& cookie) const
{
- wxGenericTreeItem *i = FindItem( item );
- if (!i) return FALSE;
- wxClientDC dc(this);
- i->SetText( text, &dc );
- return TRUE;
-};
+ wxCHECK_MSG( item.IsOk(), wxTreeItemId(), _T("invalid tree item") );
-long wxTreeCtrl::HitTest( const wxPoint& point, int &flags )
-{
- flags = 0;
- if (!m_anchor) return -1;
- return m_anchor->HitTest( point, flags );
-};
+ cookie = 0;
+ return GetNextChild(item, cookie);
+}
-void wxTreeCtrl::AdjustMyScrollbars(void)
+wxTreeItemId wxTreeCtrl::GetNextChild(const wxTreeItemId& item, long& cookie) const
{
- if (m_anchor)
+ wxCHECK_MSG( item.IsOk(), wxTreeItemId(), _T("invalid tree item") );
+
+ wxArrayTreeItems& children = item.m_pItem->GetChildren();
+ if ( (size_t)cookie < children.Count() )
{
- 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 );
+ return children.Item(cookie++);
}
else
{
- SetScrollbars( 0, 0, 0, 0 );
- };
-};
+ // there are no more of them
+ return wxTreeItemId();
+ }
+}
-void wxTreeCtrl::PaintLevel( wxGenericTreeItem *item, wxPaintDC &dc, int level, int &y )
+wxTreeItemId wxTreeCtrl::GetLastChild(const wxTreeItemId& item) const
{
- int horizX = level*m_indent+10;
- int oldY = y;
- wxNode *node = item->m_children.First();
- while (node)
- {
- wxGenericTreeItem *child = (wxGenericTreeItem *)node->Data();
- dc.SetPen( m_dottedPen );
-
- child->SetCross( horizX+15, y );
+ wxCHECK_MSG( item.IsOk(), wxTreeItemId(), _T("invalid tree item") );
- if (!node->Next())
- {
- if (level != 0) oldY -= (m_lineHeight-5);
- dc.DrawLine( horizX, oldY, horizX, y );
- };
+ wxArrayTreeItems& children = item.m_pItem->GetChildren();
+ return (children.IsEmpty() ? wxTreeItemId() : wxTreeItemId(children.Last()));
+}
- child->m_x = horizX+33;
- child->m_y = y-m_lineHeight/3;
- child->m_height = m_lineHeight;
+wxTreeItemId wxTreeCtrl::GetNextSibling(const wxTreeItemId& item) const
+{
+ wxCHECK_MSG( item.IsOk(), wxTreeItemId(), _T("invalid tree item") );
- if (IsExposed( 0, child->m_y-2, 10000, m_lineHeight+4 ))
- {
- int startX = horizX,
- endX = horizX + 10;
+ wxGenericTreeItem *i = item.m_pItem;
+ wxGenericTreeItem *parent = i->GetParent();
+ if ( parent == NULL )
+ {
+ // root item doesn't have any siblings
+ return wxTreeItemId();
+ }
- if (!(node->Previous()) && (level == 0))
- startX -= 10;
- if (!child->HasChildren())
- endX += 20;
- dc.DrawLine( startX, y, endX, y );
+ wxArrayTreeItems& siblings = parent->GetChildren();
+ int index = siblings.Index(i);
+ wxASSERT( index != wxNOT_FOUND ); // I'm not a child of my parent?
- if (child->HasChildren())
- {
- 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+17, y );
- if (child->HasPlus())
- dc.DrawLine( horizX+15, y-2, horizX+15, y+2 );
- };
-
- if (child->HasHilight())
- {
- dc.SetTextForeground( wxSystemSettings::GetSystemColour( wxSYS_COLOUR_HIGHLIGHTTEXT ) );
-#if 0 // VZ: this code leaves horizontal stripes when item is unselected
- dc.SetBrush( *m_hilightBrush );
- if (m_hasFocus)
- dc.SetPen( wxBLACK_PEN );
- else
- dc.SetPen( wxTRANSPARENT_PEN );
- long tw, th;
- dc.GetTextExtent( child->m_text, &tw, &th );
- dc.DrawRectangle( child->m_x-2, child->m_y-2, tw+4, th+4 );
-#else
- int modeOld = dc.GetBackgroundMode();
- dc.SetTextBackground( *wxBLACK );
- dc.SetBackgroundMode(wxSOLID);
-#endif // 0
-
- dc.DrawText( child->m_text, child->m_x, child->m_y );
-
-#if 0 // VZ: same as above
- dc.SetPen( *wxBLACK_PEN );
-#else
- dc.SetBackgroundMode(modeOld);
- dc.SetTextBackground( *wxWHITE );
- dc.SetBrush( *wxWHITE_BRUSH );
-#endif
- dc.SetTextForeground( *wxBLACK );
- }
- else
- dc.DrawText( child->m_text, child->m_x, child->m_y );
- };
-
- y += m_lineHeight;
- if (child->NumberOfVisibleChildren() > 0)
- PaintLevel( child, dc, level+1, y );
- node = node->Next();
- };
-};
+ size_t n = (size_t)(index + 1);
+ return n == siblings.Count() ? wxTreeItemId() : wxTreeItemId(siblings[n]);
+}
-void wxTreeCtrl::OnPaint( const wxPaintEvent &WXUNUSED(event) )
+wxTreeItemId wxTreeCtrl::GetPrevSibling(const wxTreeItemId& item) const
{
- if (!m_anchor) return;
+ wxCHECK_MSG( item.IsOk(), wxTreeItemId(), _T("invalid tree item") );
- if (!m_dc)
+ wxGenericTreeItem *i = item.m_pItem;
+ wxGenericTreeItem *parent = i->GetParent();
+ if ( parent == NULL )
{
- m_dc = new wxPaintDC(this);
- PrepareDC( *m_dc );
- };
-
- m_dc->SetFont( wxSystemSettings::GetSystemFont( wxSYS_SYSTEM_FONT ) );
+ // root item doesn't have any siblings
+ return wxTreeItemId();
+ }
- m_dc->SetPen( m_dottedPen );
- m_lineHeight = (int)(m_dc->GetCharHeight() + 4);
+ wxArrayTreeItems& siblings = parent->GetChildren();
+ int index = siblings.Index(i);
+ wxASSERT( index != wxNOT_FOUND ); // I'm not a child of my parent?
- int y = m_lineHeight / 2 + 2;
- PaintLevel( m_anchor, *m_dc, 0, y );
-};
+ return index == 0 ? wxTreeItemId()
+ : wxTreeItemId(siblings[(size_t)(index - 1)]);
+}
-void wxTreeCtrl::OnSetFocus( const wxFocusEvent &WXUNUSED(event) )
+wxTreeItemId wxTreeCtrl::GetFirstVisibleItem() const
{
- m_hasFocus = TRUE;
- if (m_current) RefreshLine( m_current );
-};
+ wxFAIL_MSG(_T("not implemented"));
+
+ return wxTreeItemId();
+}
-void wxTreeCtrl::OnKillFocus( const wxFocusEvent &WXUNUSED(event) )
+wxTreeItemId wxTreeCtrl::GetNextVisible(const wxTreeItemId& item) const
{
- m_hasFocus = FALSE;
- if (m_current) RefreshLine( m_current );
-};
+ wxCHECK_MSG( item.IsOk(), wxTreeItemId(), _T("invalid tree item") );
-void wxTreeCtrl::OnChar( wxKeyEvent &event )
+ wxFAIL_MSG(_T("not implemented"));
+
+ return wxTreeItemId();
+}
+
+wxTreeItemId wxTreeCtrl::GetPrevVisible(const wxTreeItemId& item) const
{
- event.Skip();
-};
+ wxCHECK_MSG( item.IsOk(), wxTreeItemId(), _T("invalid tree item") );
+
+ wxFAIL_MSG(_T("not implemented"));
+
+ return wxTreeItemId();
+}
+
+// -----------------------------------------------------------------------------
+// operations
+// -----------------------------------------------------------------------------
+
+wxTreeItemId wxTreeCtrl::DoInsertItem(const wxTreeItemId& parentId,
+ size_t previous,
+ const wxString& text,
+ int image, int selImage,
+ wxTreeItemData *data)
+{
+ wxGenericTreeItem *parent = parentId.m_pItem;
+ if ( !parent )
+ {
+ // should we give a warning here?
+ return AddRoot(text, image, selImage, data);
+ }
+
+ wxClientDC dc(this);
+ wxGenericTreeItem *item = new wxGenericTreeItem(parent,
+ text, dc,
+ image, selImage,
+ data);
+
+ if ( data != NULL )
+ {
+ data->m_pItem = item;
+ }
+
+ parent->Insert( item, previous );
-void wxTreeCtrl::OnMouse( const wxMouseEvent &event )
+ m_dirty = TRUE;
+
+ return item;
+}
+
+wxTreeItemId wxTreeCtrl::AddRoot(const wxString& text,
+ int image, int selImage,
+ wxTreeItemData *data)
{
- if (!event.LeftDown() &&
- !event.LeftDClick()) return;
+ wxCHECK_MSG( !m_anchor, wxTreeItemId(), _T("tree can have only one root") );
wxClientDC dc(this);
- PrepareDC(dc);
- long x = dc.DeviceToLogicalX( (long)event.GetX() );
- long y = dc.DeviceToLogicalY( (long)event.GetY() );
+ m_anchor = new wxGenericTreeItem((wxGenericTreeItem *)NULL, text, dc,
+ image, selImage, data);
+ if ( data != NULL )
+ {
+ data->m_pItem = m_anchor;
+ }
+
+ AdjustMyScrollbars();
+ Refresh();
+
+ return m_anchor;
+}
- int flag = 0;
- long id = HitTest( wxPoint(x,y), flag );
- if (id == -1)
+wxTreeItemId wxTreeCtrl::PrependItem(const wxTreeItemId& parent,
+ const wxString& text,
+ int image, int selImage,
+ wxTreeItemData *data)
+{
+ return DoInsertItem(parent, 0u, text, image, selImage, data);
+}
+
+wxTreeItemId wxTreeCtrl::InsertItem(const wxTreeItemId& parentId,
+ const wxTreeItemId& idPrevious,
+ const wxString& text,
+ int image, int selImage,
+ wxTreeItemData *data)
+{
+ wxGenericTreeItem *parent = parentId.m_pItem;
+ if ( !parent )
+ {
+ // should we give a warning here?
+ return AddRoot(text, image, selImage, data);
+ }
+
+ int index = parent->GetChildren().Index(idPrevious.m_pItem);
+ 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);
+}
+
+wxTreeItemId wxTreeCtrl::AppendItem(const wxTreeItemId& parentId,
+ const wxString& text,
+ int image, int selImage,
+ wxTreeItemData *data)
+{
+ wxGenericTreeItem *parent = parentId.m_pItem;
+ if ( !parent )
+ {
+ // should we give a warning here?
+ return AddRoot(text, image, selImage, data);
+ }
+
+ return DoInsertItem(parent, parent->GetChildren().Count(), text,
+ 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;
+ wxGenericTreeItem *parent = item->GetParent();
+
+ if ( parent )
+ {
+ parent->GetChildren().Remove(item);
+ }
+
+ item->DeleteChildren(this);
+ SendDeleteEvent(item);
+ delete item;
+
+ m_dirty = TRUE;
+}
+
+void wxTreeCtrl::DeleteAllItems()
+{
+ if ( m_anchor )
+ {
+ m_anchor->DeleteChildren(this);
+ delete m_anchor;
+
+ m_anchor = NULL;
+
+ m_dirty = TRUE;
+ }
+}
+
+void wxTreeCtrl::Expand(const wxTreeItemId& itemId)
+{
+ wxGenericTreeItem *item = itemId.m_pItem;
+
+ if ( !item->HasPlus() )
return;
- wxGenericTreeItem *item = FindItem( id );
- if (!item) return;
- if ((flag != wxTREE_HITTEST_ONITEMBUTTON) &&
- (flag != wxTREE_HITTEST_ONITEMLABEL)) return;
+ if ( item->IsExpanded() )
+ return;
- if (m_current != item)
+ wxTreeEvent event( wxEVT_COMMAND_TREE_ITEM_EXPANDING, GetId() );
+ event.m_item = item;
+ event.SetEventObject( this );
+ if ( ProcessEvent( event ) && event.m_code )
{
- if (m_current)
- {
- m_current->SetHilight( FALSE );
- RefreshLine( m_current );
- };
- m_current = item;
- m_current->SetHilight( TRUE );
- RefreshLine( m_current );
- m_current->SendSelected( this );
- };
+ // cancelled by program
+ return;
+ }
+
+ item->Expand();
+ CalculatePositions();
+
+ RefreshSubtree(item);
+
+ event.SetEventType(wxEVT_COMMAND_TREE_ITEM_EXPANDED);
+ ProcessEvent( event );
+}
- if (event.LeftDClick())
- m_current->SendKeyDown( this );
+void wxTreeCtrl::Collapse(const wxTreeItemId& itemId)
+{
+ wxGenericTreeItem *item = itemId.m_pItem;
+
+ if ( !item->IsExpanded() )
+ return;
- if (flag == wxTREE_HITTEST_ONITEMBUTTON)
+ wxTreeEvent event( wxEVT_COMMAND_TREE_ITEM_COLLAPSING, GetId() );
+ event.m_item = item;
+ event.SetEventObject( this );
+ if ( ProcessEvent( event ) && event.m_code )
{
- ExpandItem( item->m_itemId, wxTREE_EXPAND_TOGGLE );
+ // cancelled by program
return;
- };
-};
+ }
+
+ item->Collapse();
+
+ wxArrayTreeItems& children = item->GetChildren();
+ size_t count = children.Count();
+ for ( size_t n = 0; n < count; n++ )
+ {
+ Collapse(children[n]);
+ }
-void wxTreeCtrl::CalculateLevel( wxGenericTreeItem *item, wxPaintDC &dc, int level, int &y )
+ CalculatePositions();
+
+ RefreshSubtree(item);
+
+ event.SetEventType(wxEVT_COMMAND_TREE_ITEM_COLLAPSED);
+ ProcessEvent( event );
+}
+
+void wxTreeCtrl::CollapseAndReset(const wxTreeItemId& item)
+{
+ Collapse(item);
+ DeleteChildren(item);
+}
+
+void wxTreeCtrl::Toggle(const wxTreeItemId& itemId)
{
- int horizX = level*m_indent+10;
- wxNode *node = item->m_children.First();
- while (node)
+ wxGenericTreeItem *item = itemId.m_pItem;
+
+ if ( item->IsExpanded() )
+ Collapse(itemId);
+ else
+ Expand(itemId);
+}
+
+void wxTreeCtrl::Unselect()
+{
+ if ( m_current )
{
- wxGenericTreeItem *child = (wxGenericTreeItem *)node->Data();
+ m_current->SetHilight( FALSE );
+ RefreshLine( m_current );
+ }
+}
+
+void wxTreeCtrl::UnselectAllChildren(wxGenericTreeItem *item)
+{
+ 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]);
+ }
+}
+
+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)
+ cout << m_current->GetText() << " " << (int)m_current->HasHilight() << endl;
+
+ // ctrl press
+ if (unselect_others)
+ {
+ if (is_single) Unselect(); // to speed up thing
+ else UnselectAll();
+ }
+
+ // 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;
+
+ // first expand all parent branches
+ wxGenericTreeItem *parent = gitem->GetParent();
+ while ( parent && !parent->IsExpanded() )
+ {
+ Expand(parent);
+
+ parent = parent->GetParent();
+ }
+
+ // now scroll to the item
+ int item_y = gitem->GetY();
+
+ int start_x = 0;
+ int start_y = 0;
+ ViewStart( &start_x, &start_y );
+ start_y *= 10;
+
+ 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(_T("not implemented"));
+}
+
+wxTextCtrl *wxTreeCtrl::EditLabel( const wxTreeItemId& WXUNUSED(item),
+ wxClassInfo* WXUNUSED(textCtrlClass) )
+{
+ wxFAIL_MSG(_T("not implemented"));
+
+ return (wxTextCtrl*)NULL;
+}
+
+wxTextCtrl *wxTreeCtrl::GetEditControl() const
+{
+ wxFAIL_MSG(_T("not implemented"));
+
+ return (wxTextCtrl*)NULL;
+}
+
+void wxTreeCtrl::EndEditLabel(const wxTreeItemId& WXUNUSED(item), bool WXUNUSED(discardChanges))
+{
+ 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);
+}
+
+int wxTreeCtrl::OnCompareItems(const wxTreeItemId& item1,
+ const wxTreeItemId& item2)
+{
+ 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
+{
+ return m_imageListNormal;
+}
+
+wxImageList *wxTreeCtrl::GetStateImageList() const
+{
+ return m_imageListState;
+}
+
+void wxTreeCtrl::SetImageList(wxImageList *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)
+{
+ m_imageListState = 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 );
+ }
+}
+
+void wxTreeCtrl::PaintItem(wxGenericTreeItem *item, wxDC& dc)
+{
+ // render bold items in bold
+ wxFont fontOld;
+ wxFont fontNew;
+
+ 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!"));
+ }
+ }
+
+ long text_w = 0;
+ long text_h = 0;
+ dc.GetTextExtent( item->GetText(), &text_w, &text_h );
+
+ 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;
+ }
+
+ 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.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.Ok())
+ {
+ dc.SetFont( fontOld);
+ }
+}
+
+void wxTreeCtrl::PaintLevel( wxGenericTreeItem *item, wxDC &dc, int level, int &y )
+{
+ int horizX = level*m_indent;
+
+ item->SetX( horizX+m_indent+m_spacing );
+ item->SetY( y-m_lineHeight/2 );
+ item->SetHeight( m_lineHeight );
+
+ item->SetCross( horizX+m_indent, y );
+
+ int oldY = y;
+
+ 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 + (m_indent-5);
+
+// if (!item->HasChildren()) endX += (m_indent+5);
+ if (!item->HasChildren()) endX += 20;
+
+ dc.DrawLine( startX, y, endX, y );
+
+ 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 ) );
+
+ dc.SetBrush( *m_hilightBrush );
+
+ if (m_hasFocus)
+ dc.SetPen( *wxBLACK_PEN );
+ else
+ dc.SetPen( *wxTRANSPARENT_PEN );
+
+ PaintItem(item, dc);
+
+ dc.SetPen( *wxBLACK_PEN );
+ dc.SetTextForeground( *wxBLACK );
+ dc.SetBrush( *wxWHITE_BRUSH );
+ }
+ else
+ {
+ dc.SetBrush( *wxWHITE_BRUSH );
+ dc.SetPen( *wxTRANSPARENT_PEN );
+
+ PaintItem(item, dc);
+
+ dc.SetPen( *wxBLACK_PEN );
+ }
+ }
+
+ if (item->IsExpanded())
+ {
+ 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;
+ PaintLevel( children[n], dc, level+1, y );
+ }
+
+ // 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 );
+ }
+}
+
+// -----------------------------------------------------------------------------
+// wxWindows callbacks
+// -----------------------------------------------------------------------------
+
+void wxTreeCtrl::OnPaint( wxPaintEvent &WXUNUSED(event) )
+{
+ if ( !m_anchor )
+ return;
+
+ wxPaintDC dc(this);
+ PrepareDC( dc );
+
+ dc.SetFont( wxSystemSettings::GetSystemFont( wxSYS_DEFAULT_GUI_FONT ) );
+
dc.SetPen( m_dottedPen );
+ if(GetImageList() == NULL)
+ m_lineHeight = (int)(dc.GetCharHeight() + 4);
- int startX = horizX,
- endX = horizX + 10;
+ int y = m_lineHeight / 2 + 2;
+ PaintLevel( m_anchor, dc, 0, y );
+}
- if (!node->Previous() && (level == 0))
- startX -= 10;
- if (!child->HasChildren())
- endX += 20;
+void wxTreeCtrl::OnSetFocus( wxFocusEvent &WXUNUSED(event) )
+{
+ m_hasFocus = TRUE;
- child->m_x = horizX+33;
- child->m_y = y-m_lineHeight/3-2;
- child->m_height = m_lineHeight;
+ if (m_current) RefreshLine( m_current );
+}
- y += m_lineHeight;
- if (child->NumberOfVisibleChildren() > 0)
- CalculateLevel( child, dc, level+1, y );
+void wxTreeCtrl::OnKillFocus( wxFocusEvent &WXUNUSED(event) )
+{
+ m_hasFocus = FALSE;
- node = node->Next();
- };
-};
+ if (m_current) RefreshLine( m_current );
+}
-void wxTreeCtrl::CalculatePositions(void)
+void wxTreeCtrl::OnChar( wxKeyEvent &event )
{
- if (!m_anchor)
- return;
+ wxTreeEvent te( wxEVT_COMMAND_TREE_KEY_DOWN, GetId() );
+ te.m_code = event.KeyCode();
+ te.SetEventObject( this );
+ GetEventHandler()->ProcessEvent( te );
- wxClientDC dc(this);
- PrepareDC( dc );
+ if (m_current == 0)
+ {
+ event.Skip();
+ return;
+ }
- dc.SetFont( wxSystemSettings::GetSystemFont( wxSYS_SYSTEM_FONT ) );
+ bool is_multiple=(GetWindowStyleFlag() & wxTR_MULTIPLE);
+ bool extended_select=(event.ShiftDown() && is_multiple);
+ bool unselect_others=!(extended_select || (event.ControlDown() && is_multiple));
- dc.SetPen( m_dottedPen );
- m_lineHeight = (int)(dc.GetCharHeight() + 4);
+ switch (event.KeyCode())
+ {
+ case '+':
+ case WXK_ADD:
+ if (m_current->HasPlus() && !IsExpanded(m_current))
+ {
+ Expand(m_current);
+ }
+ break;
+
+ case '-':
+ case WXK_SUBTRACT:
+ if (IsExpanded(m_current))
+ {
+ Collapse(m_current);
+ }
+ break;
+
+ case '*':
+ case WXK_MULTIPLY:
+ Toggle(m_current);
+ break;
+
+ 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;
+
+ // up goes to the previous sibling or to the last of its children if
+ // it's expanded
+ case WXK_UP:
+ {
+ 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 );
+ }
+ }
+ break;
+
+ // 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();
+ }
+}
- int y = m_lineHeight / 2 + 2;
- CalculateLevel( m_anchor, dc, 0, y );
-};
+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 );
+}
-wxGenericTreeItem *wxTreeCtrl::FindItem( long itemId ) const
+void wxTreeCtrl::OnMouse( wxMouseEvent &event )
{
- if (!m_anchor) return NULL;
- return m_anchor->FindItem( itemId );
-};
+ if (!event.LeftIsDown()) m_dragCount = 0;
+
+ if ( !(event.LeftDown() || event.LeftDClick() || event.Dragging()) ) return;
+
+ if ( !m_anchor ) return;
+
+ wxClientDC dc(this);
+ PrepareDC(dc);
+ long x = dc.DeviceToLogicalX( (long)event.GetX() );
+ long y = dc.DeviceToLogicalY( (long)event.GetY() );
+
+ bool onButton = FALSE;
+ wxGenericTreeItem *item = m_anchor->HitTest( wxPoint(x,y), onButton );
+
+ if (item == NULL) return; /* we hit the blank area */
+
+ 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) )
+{
+ /* after all changes have been done to the tree control,
+ * we actually redraw the tree when everything is over */
+
+ if (!m_dirty)
+ return;
+
+ m_dirty = FALSE;
+
+ CalculatePositions();
+
+ AdjustMyScrollbars();
+}
+
+// -----------------------------------------------------------------------------
+
+void wxTreeCtrl::CalculateLevel( wxGenericTreeItem *item, wxDC &dc, int level, int &y )
+{
+ int horizX = level*m_indent;
+
+ item->SetX( horizX+m_indent+m_spacing );
+ item->SetY( y-m_lineHeight/2 );
+ item->SetHeight( m_lineHeight );
+
+ 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 ); // recurse
+ }
+}
+
+void wxTreeCtrl::CalculatePositions()
+{
+ if ( !m_anchor ) return;
+
+ wxClientDC dc(this);
+ PrepareDC( dc );
+
+ dc.SetFont( wxSystemSettings::GetSystemFont( wxSYS_DEFAULT_GUI_FONT ) );
+
+ 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 ); // start recursion
+}
+
+void wxTreeCtrl::RefreshSubtree(wxGenericTreeItem *item)
+{
+ wxClientDC dc(this);
+ PrepareDC(dc);
+
+ 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;
+
+ Refresh( TRUE, &rect );
+
+ AdjustMyScrollbars();
+}
void wxTreeCtrl::RefreshLine( wxGenericTreeItem *item )
{
- if (!item) return;
- wxClientDC dc(this);
- PrepareDC( dc );
- wxRect rect;
- rect.x = dc.LogicalToDeviceX( item->m_x-2 );
- rect.y = dc.LogicalToDeviceY( item->m_y-2 );
- rect.width = 1000;
- rect.height = dc.GetCharHeight()+4;
- 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