+++ /dev/null
-/////////////////////////////////////////////////////////////////////////////
-// Name: treectrl.cpp
-// Purpose: generic tree control implementation
-// Author: Robert Roebling
-// Created: 01/02/97
-// 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"
-#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/imaglist.h"
-#include "wx/settings.h"
-#include "wx/log.h"
-#include "wx/intl.h"
-#include "wx/dynarray.h"
-#include "wx/arrimpl.cpp"
-#include "wx/dcclient.h"
-#include "wx/msgdlg.h"
-
-// -----------------------------------------------------------------------------
-// array types
-// -----------------------------------------------------------------------------
-
-class WXDLLEXPORT wxGenericTreeItem;
-
-WX_DEFINE_ARRAY(wxGenericTreeItem *, wxArrayGenericTreeItems);
-WX_DEFINE_OBJARRAY(wxArrayTreeItemIds);
-
-// ----------------------------------------------------------------------------
-// constants
-// ----------------------------------------------------------------------------
-
-static const int NO_IMAGE = -1;
-
-#define PIXELS_PER_UNIT 10
-
-// -----------------------------------------------------------------------------
-// private classes
-// -----------------------------------------------------------------------------
-
-// timer used for enabling in-place edit
-class WXDLLEXPORT wxTreeRenameTimer: public wxTimer
-{
-public:
- wxTreeRenameTimer( wxTreeCtrl *owner );
-
- void Notify();
-
-private:
- wxTreeCtrl *m_owner;
-};
-
-// control used for in-place edit
-class WXDLLEXPORT wxTreeTextCtrl: public wxTextCtrl
-{
-public:
- wxTreeTextCtrl() { }
- wxTreeTextCtrl( wxWindow *parent,
- const wxWindowID id,
- bool *accept,
- wxString *res,
- wxTreeCtrl *owner,
- const wxString &value = wxEmptyString,
- const wxPoint &pos = wxDefaultPosition,
- const wxSize &size = wxDefaultSize,
- int style = 0,
- const wxValidator& validator = wxDefaultValidator,
- const wxString &name = wxTextCtrlNameStr );
-
- void OnChar( wxKeyEvent &event );
- void OnKillFocus( wxFocusEvent &event );
-
-private:
- bool *m_accept;
- wxString *m_res;
- wxTreeCtrl *m_owner;
- wxString m_startValue;
-
- DECLARE_EVENT_TABLE()
- DECLARE_DYNAMIC_CLASS(wxTreeTextCtrl);
-};
-
-// a tree item
-class WXDLLEXPORT wxGenericTreeItem
-{
-public:
- // ctors & dtor
- wxGenericTreeItem() { m_data = NULL; }
- wxGenericTreeItem( wxGenericTreeItem *parent,
- const wxString& text,
- wxDC& dc,
- int image, int selImage,
- wxTreeItemData *data );
-
- ~wxGenericTreeItem();
-
- // trivial accessors
- wxArrayGenericTreeItems& GetChildren() { return m_children; }
-
- const wxString& GetText() const { return m_text; }
- int GetImage(wxTreeItemIcon which = wxTreeItemIcon_Normal) const
- { return m_images[which]; }
- wxTreeItemData *GetData() const { return m_data; }
-
- // returns the current image for the item (depending on its
- // selected/expanded/whatever state)
- int GetCurrentImage() const;
-
- void SetText( const wxString &text );
- void SetImage(int image, wxTreeItemIcon which) { m_images[which] = 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 SetX(int x) { m_x = x; }
- void SetY(int y) { m_y = y; }
-
- int GetHeight() const { return m_height; }
- int GetWidth() const { return m_width; }
-
- void SetHeight(int h) { m_height = h; }
- void SetWidth(int w) { m_width = w; }
-
-
- 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, const wxTreeCtrl* );
-
- // 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, const wxTreeCtrl *, int &flags);
-
- 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 IsSelected() const { return m_hasHilight; }
- bool IsExpanded() const { return !m_isCollapsed; }
- bool HasPlus() const { return m_hasPlus || HasChildren(); }
- bool IsBold() const { return m_isBold; }
-
- // attributes
- // get them - may be NULL
- wxTreeItemAttr *GetAttributes() const { return m_attr; }
- // get them ensuring that the pointer is not NULL
- wxTreeItemAttr& Attr()
- {
- if ( !m_attr )
- m_attr = new wxTreeItemAttr;
-
- return *m_attr;
- }
-
-private:
- wxString m_text;
-
- // tree ctrl images for the normal, selected, expanded and
- // expanded+selected states
- int m_images[wxTreeItemIcon_Max];
-
- 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 has a [+] button
- int m_isBold :1; // render the label in bold font
-
- wxCoord m_x, m_y;
- wxCoord m_height, m_width;
- int m_xCross, m_yCross;
- int m_level;
-
- wxArrayGenericTreeItems m_children;
- wxGenericTreeItem *m_parent;
-
- wxTreeItemAttr *m_attr;
-};
-
-// =============================================================================
-// implementation
-// =============================================================================
-
-// ----------------------------------------------------------------------------
-// private functions
-// ----------------------------------------------------------------------------
-
-// translate the key or mouse event flags to the type of selection we're
-// dealing with
-static void EventFlagsToSelType(long style,
- bool shiftDown,
- bool ctrlDown,
- bool &is_multiple,
- bool &extended_select,
- bool &unselect_others)
-{
- is_multiple = (style & wxTR_MULTIPLE) != 0;
- extended_select = shiftDown && is_multiple;
- unselect_others = !(extended_select || (ctrlDown && is_multiple));
-}
-
-// -----------------------------------------------------------------------------
-// wxTreeRenameTimer (internal)
-// -----------------------------------------------------------------------------
-
-wxTreeRenameTimer::wxTreeRenameTimer( wxTreeCtrl *owner )
-{
- m_owner = owner;
-}
-
-void wxTreeRenameTimer::Notify()
-{
- m_owner->OnRenameTimer();
-}
-
-//-----------------------------------------------------------------------------
-// wxTreeTextCtrl (internal)
-//-----------------------------------------------------------------------------
-
-IMPLEMENT_DYNAMIC_CLASS(wxTreeTextCtrl,wxTextCtrl);
-
-BEGIN_EVENT_TABLE(wxTreeTextCtrl,wxTextCtrl)
- EVT_CHAR (wxTreeTextCtrl::OnChar)
- EVT_KILL_FOCUS (wxTreeTextCtrl::OnKillFocus)
-END_EVENT_TABLE()
-
-wxTreeTextCtrl::wxTreeTextCtrl( wxWindow *parent,
- const wxWindowID id,
- bool *accept,
- wxString *res,
- wxTreeCtrl *owner,
- const wxString &value,
- const wxPoint &pos,
- const wxSize &size,
- int style,
- const wxValidator& validator,
- const wxString &name )
- : wxTextCtrl( parent, id, value, pos, size, style, validator, name )
-{
- m_res = res;
- m_accept = accept;
- m_owner = owner;
- (*m_accept) = FALSE;
- (*m_res) = wxEmptyString;
- m_startValue = value;
-}
-
-void wxTreeTextCtrl::OnChar( wxKeyEvent &event )
-{
- if (event.m_keyCode == WXK_RETURN)
- {
- (*m_accept) = TRUE;
- (*m_res) = GetValue();
-
- if (!wxPendingDelete.Member(this))
- wxPendingDelete.Append(this);
-
- if ((*m_accept) && ((*m_res) != m_startValue))
- m_owner->OnRenameAccept();
-
- return;
- }
- if (event.m_keyCode == WXK_ESCAPE)
- {
- (*m_accept) = FALSE;
- (*m_res) = "";
-
- if (!wxPendingDelete.Member(this))
- wxPendingDelete.Append(this);
-
- return;
- }
- event.Skip();
-}
-
-void wxTreeTextCtrl::OnKillFocus( wxFocusEvent &WXUNUSED(event) )
-{
- if (!wxPendingDelete.Member(this))
- wxPendingDelete.Append(this);
-
- if ((*m_accept) && ((*m_res) != m_startValue))
- m_owner->OnRenameAccept();
-}
-
-// -----------------------------------------------------------------------------
-// wxTreeEvent
-// -----------------------------------------------------------------------------
-
-IMPLEMENT_DYNAMIC_CLASS(wxTreeEvent, wxNotifyEvent)
-
-wxTreeEvent::wxTreeEvent( wxEventType commandType, int id )
- : wxNotifyEvent( commandType, id )
-{
- m_code = 0;
- m_itemOld = (wxGenericTreeItem *)NULL;
-}
-
-// -----------------------------------------------------------------------------
-// wxGenericTreeItem
-// -----------------------------------------------------------------------------
-
-wxGenericTreeItem::wxGenericTreeItem(wxGenericTreeItem *parent,
- const wxString& text,
- wxDC& WXUNUSED(dc),
- int image, int selImage,
- wxTreeItemData *data)
- : m_text(text)
-{
- m_images[wxTreeItemIcon_Normal] = image;
- m_images[wxTreeItemIcon_Selected] = selImage;
- m_images[wxTreeItemIcon_Expanded] = NO_IMAGE;
- m_images[wxTreeItemIcon_SelectedExpanded] = NO_IMAGE;
-
- m_data = data;
- m_x = m_y = 0;
- m_xCross = m_yCross = 0;
-
- m_level = 0;
-
- m_isCollapsed = TRUE;
- m_hasHilight = FALSE;
- m_hasPlus = FALSE;
- m_isBold = FALSE;
-
- m_parent = parent;
-
- m_attr = (wxTreeItemAttr *)NULL;
-
- // We don't know the height here yet.
- m_width = 0;
- m_height = 0;
-}
-
-wxGenericTreeItem::~wxGenericTreeItem()
-{
- delete m_data;
-
- delete m_attr;
-
- wxASSERT_MSG( m_children.IsEmpty(),
- wxT("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++ )
- {
- wxGenericTreeItem *child = m_children[n];
- if (tree)
- tree->SendDeleteEvent(child);
-
- child->DeleteChildren(tree);
- delete child;
- }
-
- m_children.Empty();
-}
-
-void wxGenericTreeItem::SetText( const wxString &text )
-{
- m_text = text;
-}
-
-void wxGenericTreeItem::Reset()
-{
- m_text.Empty();
- for ( int i = 0; i < wxTreeItemIcon_Max; i++ )
- {
- m_images[i] = NO_IMAGE;
- }
-
- m_data = NULL;
- m_x = m_y =
- m_height = m_width = 0;
- m_xCross =
- m_yCross = 0;
-
- m_level = 0;
-
- DeleteChildren();
- m_isCollapsed = TRUE;
-
- m_parent = (wxGenericTreeItem *)NULL;
-}
-
-size_t wxGenericTreeItem::GetChildrenCount(bool recursively) const
-{
- size_t count = m_children.Count();
- if ( !recursively )
- return count;
-
- size_t total = count;
- for (size_t n = 0; n < count; ++n)
- {
- total += m_children[n]->GetChildrenCount();
- }
-
- return total;
-}
-
-void wxGenericTreeItem::SetCross( int x, int y )
-{
- m_xCross = x;
- m_yCross = y;
-}
-
-void wxGenericTreeItem::GetSize( int &x, int &y, const wxTreeCtrl *theTree )
-{
- int bottomY=m_y+theTree->GetLineHeight(this);
- if ( y < bottomY ) y = bottomY;
- int width = m_x + m_width;
- if ( x < width ) x = width;
-
- if (IsExpanded())
- {
- size_t count = m_children.Count();
- for ( size_t n = 0; n < count; ++n )
- {
- m_children[n]->GetSize( x, y, theTree );
- }
- }
-}
-
-wxGenericTreeItem *wxGenericTreeItem::HitTest( const wxPoint& point,
- const wxTreeCtrl *theTree,
- int &flags)
-{
- if ((point.y > m_y) && (point.y < m_y + theTree->GetLineHeight(this)))
- {
- if (point.y < m_y+theTree->GetLineHeight(this)/2 )
- flags |= wxTREE_HITTEST_ONITEMUPPERPART;
- else
- flags |= wxTREE_HITTEST_ONITEMLOWERPART;
-
- // 5 is the size of the plus sign
- if ((point.x > m_xCross-5) && (point.x < m_xCross+5) &&
- (point.y > m_yCross-5) && (point.y < m_yCross+5) &&
- (IsExpanded() || HasPlus()))
- {
- flags|=wxTREE_HITTEST_ONITEMBUTTON;
- return this;
- }
-
- if ((point.x >= m_x) && (point.x <= m_x+m_width))
- {
- int image_w = -1;
- int image_h;
-
- // assuming every image (normal and selected ) has the same size !
- if ( (GetImage() != NO_IMAGE) && theTree->m_imageListNormal )
- theTree->m_imageListNormal->GetSize(GetImage(), image_w, image_h);
-
- if ((image_w != -1) && (point.x <= m_x + image_w + 1))
- flags |= wxTREE_HITTEST_ONITEMICON;
- else
- flags |= wxTREE_HITTEST_ONITEMLABEL;
-
- return this;
- }
-
- if (point.x < m_x)
- flags |= wxTREE_HITTEST_ONITEMINDENT;
- if (point.x > m_x+m_width)
- flags |= wxTREE_HITTEST_ONITEMRIGHT;
-
- 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, theTree, flags );
- if ( res != NULL )
- return res;
- }
- }
- }
-
- flags|=wxTREE_HITTEST_NOWHERE;
-
- return (wxGenericTreeItem*) NULL;
-}
-
-int wxGenericTreeItem::GetCurrentImage() const
-{
- int image = NO_IMAGE;
- if ( IsExpanded() )
- {
- if ( IsSelected() )
- {
- image = GetImage(wxTreeItemIcon_SelectedExpanded);
- }
-
- if ( image == NO_IMAGE )
- {
- // we usually fall back to the normal item, but try just the
- // expanded one (and not selected) first in this case
- image = GetImage(wxTreeItemIcon_Expanded);
- }
- }
- else // not expanded
- {
- if ( IsSelected() )
- image = GetImage(wxTreeItemIcon_Selected);
- }
-
- // may be it doesn't have the specific image we want, try the default one
- // instead
- if ( image == NO_IMAGE )
- {
- image = GetImage();
- }
-
- return image;
-}
-
-// -----------------------------------------------------------------------------
-// wxTreeCtrl implementation
-// -----------------------------------------------------------------------------
-
-IMPLEMENT_DYNAMIC_CLASS(wxTreeCtrl, wxScrolledWindow)
-
-BEGIN_EVENT_TABLE(wxTreeCtrl,wxScrolledWindow)
- EVT_PAINT (wxTreeCtrl::OnPaint)
- EVT_MOUSE_EVENTS (wxTreeCtrl::OnMouse)
- EVT_CHAR (wxTreeCtrl::OnChar)
- EVT_SET_FOCUS (wxTreeCtrl::OnSetFocus)
- EVT_KILL_FOCUS (wxTreeCtrl::OnKillFocus)
- EVT_IDLE (wxTreeCtrl::OnIdle)
-END_EVENT_TABLE()
-
-// -----------------------------------------------------------------------------
-// construction/destruction
-// -----------------------------------------------------------------------------
-
-void wxTreeCtrl::Init()
-{
- m_current =
- m_key_current =
- m_anchor = (wxGenericTreeItem *) NULL;
- m_hasFocus = FALSE;
- m_dirty = FALSE;
-
- m_xScroll = 0;
- m_yScroll = 0;
- m_lineHeight = 10;
- m_indent = 15;
- m_spacing = 18;
-
- m_hilightBrush = new wxBrush
- (
- wxSystemSettings::GetSystemColour(wxSYS_COLOUR_HIGHLIGHT),
- wxSOLID
- );
-
- m_imageListNormal =
- m_imageListState = (wxImageList *) NULL;
-
- m_dragCount = 0;
- m_isDragging = FALSE;
- m_dropTarget =
- m_oldSelection = (wxGenericTreeItem *)NULL;
-
- m_renameTimer = new wxTreeRenameTimer( this );
- m_lastOnSame = FALSE;
-
- m_normalFont = wxSystemSettings::GetSystemFont( wxSYS_DEFAULT_GUI_FONT );
- m_boldFont = wxFont( m_normalFont.GetPointSize(),
- m_normalFont.GetFamily(),
- m_normalFont.GetStyle(),
- wxBOLD,
- m_normalFont.GetUnderlined());
-}
-
-bool wxTreeCtrl::Create(wxWindow *parent, wxWindowID id,
- const wxPoint& pos, const wxSize& size,
- long style,
- const wxValidator &validator,
- const wxString& name )
-{
- Init();
-
- wxScrolledWindow::Create( parent, id, pos, size, style|wxHSCROLL|wxVSCROLL, name );
-
-#if wxUSE_VALIDATORS
- SetValidator( validator );
-#endif
-
- SetBackgroundColour( wxSystemSettings::GetSystemColour( wxSYS_COLOUR_LISTBOX ) );
-// m_dottedPen = wxPen( "grey", 0, wxDOT ); too slow under XFree86
- m_dottedPen = wxPen( "grey", 0, 0 );
-
- return TRUE;
-}
-
-wxTreeCtrl::~wxTreeCtrl()
-{
- wxDELETE( m_hilightBrush );
-
- DeleteAllItems();
-
- delete m_renameTimer;
-}
-
-// -----------------------------------------------------------------------------
-// accessors
-// -----------------------------------------------------------------------------
-
-size_t wxTreeCtrl::GetCount() const
-{
- return m_anchor == NULL ? 0u : m_anchor->GetChildrenCount();
-}
-
-void wxTreeCtrl::SetIndent(unsigned int indent)
-{
- m_indent = indent;
- m_dirty = TRUE;
-}
-
-void wxTreeCtrl::SetSpacing(unsigned int spacing)
-{
- m_spacing = spacing;
- m_dirty = TRUE;
-}
-
-size_t wxTreeCtrl::GetChildrenCount(const wxTreeItemId& item, bool recursively)
-{
- wxCHECK_MSG( item.IsOk(), 0u, wxT("invalid tree item") );
-
- return item.m_pItem->GetChildrenCount(recursively);
-}
-
-// -----------------------------------------------------------------------------
-// functions to work with tree items
-// -----------------------------------------------------------------------------
-
-wxString wxTreeCtrl::GetItemText(const wxTreeItemId& item) const
-{
- wxCHECK_MSG( item.IsOk(), wxT(""), wxT("invalid tree item") );
-
- return item.m_pItem->GetText();
-}
-
-int wxTreeCtrl::GetItemImage(const wxTreeItemId& item,
- wxTreeItemIcon which) const
-{
- wxCHECK_MSG( item.IsOk(), -1, wxT("invalid tree item") );
-
- return item.m_pItem->GetImage(which);
-}
-
-wxTreeItemData *wxTreeCtrl::GetItemData(const wxTreeItemId& item) const
-{
- wxCHECK_MSG( item.IsOk(), NULL, wxT("invalid tree item") );
-
- return item.m_pItem->GetData();
-}
-
-void wxTreeCtrl::SetItemText(const wxTreeItemId& item, const wxString& text)
-{
- wxCHECK_RET( item.IsOk(), wxT("invalid tree item") );
-
- wxClientDC dc(this);
- wxGenericTreeItem *pItem = item.m_pItem;
- pItem->SetText(text);
- CalculateSize(pItem, dc);
- RefreshLine(pItem);
-}
-
-void wxTreeCtrl::SetItemImage(const wxTreeItemId& item,
- int image,
- wxTreeItemIcon which)
-{
- wxCHECK_RET( item.IsOk(), wxT("invalid tree item") );
-
- wxGenericTreeItem *pItem = item.m_pItem;
- pItem->SetImage(image, which);
-
- wxClientDC dc(this);
- CalculateSize(pItem, dc);
- RefreshLine(pItem);
-}
-
-void wxTreeCtrl::SetItemData(const wxTreeItemId& item, wxTreeItemData *data)
-{
- wxCHECK_RET( item.IsOk(), wxT("invalid tree item") );
-
- item.m_pItem->SetData(data);
-}
-
-void wxTreeCtrl::SetItemHasChildren(const wxTreeItemId& item, bool has)
-{
- wxCHECK_RET( item.IsOk(), wxT("invalid tree item") );
-
- wxGenericTreeItem *pItem = item.m_pItem;
- pItem->SetHasPlus(has);
- RefreshLine(pItem);
-}
-
-void wxTreeCtrl::SetItemBold(const wxTreeItemId& item, bool bold)
-{
- wxCHECK_RET( item.IsOk(), wxT("invalid tree item") );
-
- // avoid redrawing the tree if no real change
- wxGenericTreeItem *pItem = item.m_pItem;
- if ( pItem->IsBold() != bold )
- {
- pItem->SetBold(bold);
- RefreshLine(pItem);
- }
-}
-
-void wxTreeCtrl::SetItemTextColour(const wxTreeItemId& item,
- const wxColour& col)
-{
- wxCHECK_RET( item.IsOk(), wxT("invalid tree item") );
-
- wxGenericTreeItem *pItem = item.m_pItem;
- pItem->Attr().SetTextColour(col);
- RefreshLine(pItem);
-}
-
-void wxTreeCtrl::SetItemBackgroundColour(const wxTreeItemId& item,
- const wxColour& col)
-{
- wxCHECK_RET( item.IsOk(), wxT("invalid tree item") );
-
- wxGenericTreeItem *pItem = item.m_pItem;
- pItem->Attr().SetBackgroundColour(col);
- RefreshLine(pItem);
-}
-
-void wxTreeCtrl::SetItemFont(const wxTreeItemId& item, const wxFont& font)
-{
- wxCHECK_RET( item.IsOk(), wxT("invalid tree item") );
-
- wxGenericTreeItem *pItem = item.m_pItem;
- pItem->Attr().SetFont(font);
- RefreshLine(pItem);
-}
-
-// -----------------------------------------------------------------------------
-// item status inquiries
-// -----------------------------------------------------------------------------
-
-bool wxTreeCtrl::IsVisible(const wxTreeItemId& WXUNUSED(item)) const
-{
- wxFAIL_MSG(wxT("not implemented"));
-
- return TRUE;
-}
-
-bool wxTreeCtrl::ItemHasChildren(const wxTreeItemId& item) const
-{
- wxCHECK_MSG( item.IsOk(), FALSE, wxT("invalid tree item") );
-
- return !item.m_pItem->GetChildren().IsEmpty();
-}
-
-bool wxTreeCtrl::IsExpanded(const wxTreeItemId& item) const
-{
- wxCHECK_MSG( item.IsOk(), FALSE, wxT("invalid tree item") );
-
- return item.m_pItem->IsExpanded();
-}
-
-bool wxTreeCtrl::IsSelected(const wxTreeItemId& item) const
-{
- wxCHECK_MSG( item.IsOk(), FALSE, wxT("invalid tree item") );
-
- return item.m_pItem->IsSelected();
-}
-
-bool wxTreeCtrl::IsBold(const wxTreeItemId& item) const
-{
- wxCHECK_MSG( item.IsOk(), FALSE, wxT("invalid tree item") );
-
- return item.m_pItem->IsBold();
-}
-
-// -----------------------------------------------------------------------------
-// navigation
-// -----------------------------------------------------------------------------
-
-wxTreeItemId wxTreeCtrl::GetParent(const wxTreeItemId& item) const
-{
- wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
-
- return item.m_pItem->GetParent();
-}
-
-wxTreeItemId wxTreeCtrl::GetFirstChild(const wxTreeItemId& item, long& cookie) const
-{
- wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
-
- cookie = 0;
- return GetNextChild(item, cookie);
-}
-
-wxTreeItemId wxTreeCtrl::GetNextChild(const wxTreeItemId& item, long& cookie) const
-{
- wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
-
- wxArrayGenericTreeItems& children = item.m_pItem->GetChildren();
- if ( (size_t)cookie < children.Count() )
- {
- return children.Item((size_t)cookie++);
- }
- else
- {
- // there are no more of them
- return wxTreeItemId();
- }
-}
-
-wxTreeItemId wxTreeCtrl::GetLastChild(const wxTreeItemId& item) const
-{
- wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
-
- wxArrayGenericTreeItems& children = item.m_pItem->GetChildren();
- return (children.IsEmpty() ? wxTreeItemId() : wxTreeItemId(children.Last()));
-}
-
-wxTreeItemId wxTreeCtrl::GetNextSibling(const wxTreeItemId& item) const
-{
- wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
-
- wxGenericTreeItem *i = item.m_pItem;
- wxGenericTreeItem *parent = i->GetParent();
- if ( parent == NULL )
- {
- // root item doesn't have any siblings
- return wxTreeItemId();
- }
-
- wxArrayGenericTreeItems& siblings = parent->GetChildren();
- int index = siblings.Index(i);
- wxASSERT( index != wxNOT_FOUND ); // I'm not a child of my parent?
-
- size_t n = (size_t)(index + 1);
- return n == siblings.Count() ? wxTreeItemId() : wxTreeItemId(siblings[n]);
-}
-
-wxTreeItemId wxTreeCtrl::GetPrevSibling(const wxTreeItemId& item) const
-{
- wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
-
- wxGenericTreeItem *i = item.m_pItem;
- wxGenericTreeItem *parent = i->GetParent();
- if ( parent == NULL )
- {
- // root item doesn't have any siblings
- return wxTreeItemId();
- }
-
- wxArrayGenericTreeItems& siblings = parent->GetChildren();
- int index = siblings.Index(i);
- wxASSERT( index != wxNOT_FOUND ); // I'm not a child of my parent?
-
- return index == 0 ? wxTreeItemId()
- : wxTreeItemId(siblings[(size_t)(index - 1)]);
-}
-
-wxTreeItemId wxTreeCtrl::GetFirstVisibleItem() const
-{
- wxFAIL_MSG(wxT("not implemented"));
-
- return wxTreeItemId();
-}
-
-wxTreeItemId wxTreeCtrl::GetNextVisible(const wxTreeItemId& item) const
-{
- wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
-
- wxFAIL_MSG(wxT("not implemented"));
-
- return wxTreeItemId();
-}
-
-wxTreeItemId wxTreeCtrl::GetPrevVisible(const wxTreeItemId& item) const
-{
- wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
-
- wxFAIL_MSG(wxT("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 );
-
- m_dirty = TRUE;
-
- return item;
-}
-
-wxTreeItemId wxTreeCtrl::AddRoot(const wxString& text,
- int image, int selImage,
- wxTreeItemData *data)
-{
- wxCHECK_MSG( !m_anchor, wxTreeItemId(), wxT("tree can have only one root") );
-
- wxClientDC dc(this);
- m_anchor = new wxGenericTreeItem((wxGenericTreeItem *)NULL, text, dc,
- image, selImage, data);
- if ( data != NULL )
- {
- data->m_pItem = m_anchor;
- }
-
- if (!HasFlag(wxTR_MULTIPLE))
- {
- m_current = m_key_current = m_anchor;
- m_current->SetHilight( TRUE );
- }
-
- m_dirty = TRUE;
-
- return m_anchor;
-}
-
-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,
- wxT("previous item in wxTreeCtrl::InsertItem() is not a sibling") );
-
- return DoInsertItem(parentId, (size_t)++index, text, image, selImage, data);
-}
-
-wxTreeItemId wxTreeCtrl::InsertItem(const wxTreeItemId& parentId,
- size_t before,
- 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(parentId, before, 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;
-
- // don't stay with invalid m_key_current or we will crash in the next call
- // to OnChar()
- bool changeKeyCurrent = FALSE;
- wxGenericTreeItem *itemKey = m_key_current;
- while ( itemKey && !changeKeyCurrent )
- {
- if ( itemKey == item )
- {
- // m_key_current is a descendant of the item being deleted
- changeKeyCurrent = TRUE;
- }
- else
- {
- itemKey = itemKey->GetParent();
- }
- }
-
- wxGenericTreeItem *parent = item->GetParent();
- if ( parent )
- {
- parent->GetChildren().Remove( item ); // remove by value
- }
-
- if ( changeKeyCurrent )
- {
- // may be NULL or not
- m_key_current = parent;
- }
-
- 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;
-
- wxCHECK_RET( item, _T("invalid item in wxTreeCtrl::Expand") );
-
- if ( !item->HasPlus() )
- return;
-
- if ( item->IsExpanded() )
- return;
-
- wxTreeEvent event( wxEVT_COMMAND_TREE_ITEM_EXPANDING, GetId() );
- event.m_item = item;
- event.SetEventObject( this );
-
- if ( ProcessEvent( event ) && !event.IsAllowed() )
- {
- // cancelled by program
- return;
- }
-
- item->Expand();
- CalculatePositions();
-
- RefreshSubtree(item);
-
- event.SetEventType(wxEVT_COMMAND_TREE_ITEM_EXPANDED);
- ProcessEvent( event );
-}
-
-void wxTreeCtrl::ExpandAll(const wxTreeItemId& item)
-{
- Expand(item);
- if ( IsExpanded(item) )
- {
- long cookie;
- wxTreeItemId child = GetFirstChild(item, cookie);
- while ( child.IsOk() )
- {
- ExpandAll(child);
-
- child = GetNextChild(item, cookie);
- }
- }
-}
-
-void wxTreeCtrl::Collapse(const wxTreeItemId& itemId)
-{
- wxGenericTreeItem *item = itemId.m_pItem;
-
- if ( !item->IsExpanded() )
- return;
-
- wxTreeEvent event( wxEVT_COMMAND_TREE_ITEM_COLLAPSING, GetId() );
- event.m_item = item;
- event.SetEventObject( this );
- if ( ProcessEvent( event ) && !event.IsAllowed() )
- {
- // cancelled by program
- return;
- }
-
- item->Collapse();
-
- wxArrayGenericTreeItems& children = item->GetChildren();
- size_t count = children.Count();
- for ( size_t n = 0; n < count; n++ )
- {
- Collapse(children[n]);
- }
-
- 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)
-{
- wxGenericTreeItem *item = itemId.m_pItem;
-
- if (item->IsExpanded())
- Collapse(itemId);
- else
- Expand(itemId);
-}
-
-void wxTreeCtrl::Unselect()
-{
- if (m_current)
- {
- m_current->SetHilight( FALSE );
- RefreshLine( m_current );
- }
-}
-
-void wxTreeCtrl::UnselectAllChildren(wxGenericTreeItem *item)
-{
- if (item->IsSelected())
- {
- item->SetHilight(FALSE);
- RefreshLine(item);
- }
-
- if (item->HasChildren())
- {
- wxArrayGenericTreeItems& 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);
-
- wxArrayGenericTreeItems& 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())
- {
- wxArrayGenericTreeItems& 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->IsSelected();
-
- if ( TagAllChildrenUntilLast(first,last,select) )
- return;
-
- TagNextChildren(first,last,select);
-}
-
-void wxTreeCtrl::SelectItem(const wxTreeItemId& itemId,
- bool unselect_others,
- bool extended_select)
-{
- wxCHECK_RET( itemId.IsOk(), wxT("invalid tree item") );
-
- bool is_single=!(GetWindowStyleFlag() & wxTR_MULTIPLE);
- wxGenericTreeItem *item = itemId.m_pItem;
-
- //wxCHECK_RET( ( (!unselect_others) && is_single),
- // wxT("this is a single selection tree") );
-
- // to keep going anyhow !!!
- if (is_single)
- {
- if (item->IsSelected())
- return; // nothing to do
- unselect_others = TRUE;
- extended_select = FALSE;
- }
- else if ( unselect_others && item->IsSelected() )
- {
- // selection change if there is more than one item currently selected
- wxArrayTreeItemIds selected_items;
- if ( GetSelections(selected_items) == 1 )
- return;
- }
-
- wxTreeEvent event( wxEVT_COMMAND_TREE_SEL_CHANGING, GetId() );
- event.m_item = item;
- event.m_itemOld = m_current;
- event.SetEventObject( this );
- // TODO : Here we don't send any selection mode yet !
-
- if ( GetEventHandler()->ProcessEvent( event ) && !event.IsAllowed() )
- return;
-
- // ctrl press
- if (unselect_others)
- {
- if (is_single) Unselect(); // to speed up thing
- else UnselectAll();
- }
-
- // shift press
- if (extended_select)
- {
- if ( !m_current )
- {
- m_current =
- m_key_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->IsSelected();
-
- m_current = m_key_current = item;
- m_current->SetHilight(select);
- RefreshLine( m_current );
- }
-
- event.SetEventType(wxEVT_COMMAND_TREE_SEL_CHANGED);
- GetEventHandler()->ProcessEvent( event );
-}
-
-void wxTreeCtrl::FillArray(wxGenericTreeItem *item,
- wxArrayTreeItemIds &array) const
-{
- if ( item->IsSelected() )
- array.Add(wxTreeItemId(item));
-
- if ( item->HasChildren() )
- {
- wxArrayGenericTreeItems& children = item->GetChildren();
- size_t count = children.GetCount();
- for ( size_t n = 0; n < count; ++n )
- FillArray(children[n], array);
- }
-}
-
-size_t wxTreeCtrl::GetSelections(wxArrayTreeItemIds &array) const
-{
- array.Empty();
- wxTreeItemId idRoot = GetRootItem();
- if ( idRoot.IsOk() )
- {
- FillArray(idRoot.m_pItem, array);
- }
- //else: the tree is empty, so no selections
-
- return array.Count();
-}
-
-void wxTreeCtrl::EnsureVisible(const wxTreeItemId& item)
-{
- if (!item.IsOk()) return;
-
- wxGenericTreeItem *gitem = item.m_pItem;
-
- // first expand all parent branches
- wxGenericTreeItem *parent = gitem->GetParent();
- while ( parent )
- {
- Expand(parent);
- parent = parent->GetParent();
- }
-
- //if (parent) CalculatePositions();
-
- ScrollTo(item);
-}
-
-void wxTreeCtrl::ScrollTo(const wxTreeItemId &item)
-{
- if (!item.IsOk()) return;
-
- // We have to call this here because the label in
- // question might just have been added and no screen
- // update taken place.
- if (m_dirty) wxYield();
-
- wxGenericTreeItem *gitem = item.m_pItem;
-
- // 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 *= PIXELS_PER_UNIT;
-
- int client_h = 0;
- int client_w = 0;
- GetClientSize( &client_w, &client_h );
-
- if (item_y < start_y+3)
- {
- // going down
- int x = 0;
- int y = 0;
- m_anchor->GetSize( x, y, this );
- y += PIXELS_PER_UNIT+2; // one more scrollbar unit + 2 pixels
- x += PIXELS_PER_UNIT+2; // one more scrollbar unit + 2 pixels
- int x_pos = GetScrollPos( wxHORIZONTAL );
- // Item should appear at top
- SetScrollbars( PIXELS_PER_UNIT, PIXELS_PER_UNIT, x/PIXELS_PER_UNIT, y/PIXELS_PER_UNIT, x_pos, item_y/PIXELS_PER_UNIT );
- }
- else if (item_y+GetLineHeight(gitem) > start_y+client_h)
- {
- // going up
- int x = 0;
- int y = 0;
- m_anchor->GetSize( x, y, this );
- y += PIXELS_PER_UNIT+2; // one more scrollbar unit + 2 pixels
- x += PIXELS_PER_UNIT+2; // one more scrollbar unit + 2 pixels
- item_y += PIXELS_PER_UNIT+2;
- int x_pos = GetScrollPos( wxHORIZONTAL );
- // Item should appear at bottom
- SetScrollbars( PIXELS_PER_UNIT, PIXELS_PER_UNIT, x/PIXELS_PER_UNIT, y/PIXELS_PER_UNIT, x_pos, (item_y+GetLineHeight(gitem)-client_h)/PIXELS_PER_UNIT );
- }
-}
-
-// FIXME: tree sorting functions are not reentrant and not MT-safe!
-static wxTreeCtrl *s_treeBeingSorted = NULL;
-
-static int LINKAGEMODE tree_ctrl_compare_func(wxGenericTreeItem **item1,
- wxGenericTreeItem **item2)
-{
- wxCHECK_MSG( s_treeBeingSorted, 0, wxT("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(), wxT("invalid tree item") );
-
- wxGenericTreeItem *item = itemId.m_pItem;
-
- wxCHECK_RET( !s_treeBeingSorted,
- wxT("wxTreeCtrl::SortChildren is not reentrant") );
-
- wxArrayGenericTreeItems& 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;
-
- if ( !m_imageListNormal )
- return;
-
- // Calculate a m_lineHeight value from the image sizes.
- // May be toggle off. Then wxTreeCtrl will spread when
- // necessary (which might look ugly).
- wxClientDC dc(this);
- 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);
- if (height > m_lineHeight) m_lineHeight = height;
- }
-
- if (m_lineHeight < 40)
- m_lineHeight += 2; // at least 2 pixels
- else
- m_lineHeight += m_lineHeight/10; // otherwise 10% extra spacing
-}
-
-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, this );
- y += PIXELS_PER_UNIT+2; // one more scrollbar unit + 2 pixels
- x += PIXELS_PER_UNIT+2; // one more scrollbar unit + 2 pixels
- int x_pos = GetScrollPos( wxHORIZONTAL );
- int y_pos = GetScrollPos( wxVERTICAL );
- SetScrollbars( PIXELS_PER_UNIT, PIXELS_PER_UNIT, x/PIXELS_PER_UNIT, y/PIXELS_PER_UNIT, x_pos, y_pos );
- }
- else
- {
- SetScrollbars( 0, 0, 0, 0 );
- }
-}
-
-int wxTreeCtrl::GetLineHeight(wxGenericTreeItem *item) const
-{
- if (GetWindowStyleFlag() & wxTR_HAS_VARIABLE_ROW_HEIGHT)
- return item->GetHeight();
- else
- return m_lineHeight;
-}
-
-void wxTreeCtrl::PaintItem(wxGenericTreeItem *item, wxDC& dc)
-{
- wxTreeItemAttr *attr = item->GetAttributes();
- if ( attr && attr->HasFont() )
- dc.SetFont(attr->GetFont());
- else if (item->IsBold())
- dc.SetFont(m_boldFont);
-
- long text_w = 0;
- long text_h = 0;
- dc.GetTextExtent( item->GetText(), &text_w, &text_h );
-
- int image_h = 0;
- int image_w = 0;
- int image = item->GetCurrentImage();
- if ( image != NO_IMAGE )
- {
- if ( m_imageListNormal )
- {
- m_imageListNormal->GetSize( image, image_w, image_h );
- image_w += 4;
- }
- else
- {
- image = NO_IMAGE;
- }
- }
-
- int total_h = GetLineHeight(item);
-
- if (item->IsSelected())
- dc.SetBrush(*m_hilightBrush);
- else
- {
- wxColour colBg;
- if ( attr && attr->HasBackgroundColour() )
- colBg = attr->GetBackgroundColour();
- else
- colBg = m_backgroundColour;
- dc.SetBrush(wxBrush(colBg, wxSOLID));
- }
-
- dc.DrawRectangle( item->GetX()-2, item->GetY(), item->GetWidth()+2, total_h );
-
- if ( image != NO_IMAGE )
- {
- dc.SetClippingRegion( item->GetX(), item->GetY(), image_w-2, total_h );
- m_imageListNormal->Draw( image, dc,
- item->GetX(),
- item->GetY() +((total_h > image_h)?((total_h-image_h)/2):0),
- wxIMAGELIST_DRAW_TRANSPARENT );
- dc.DestroyClippingRegion();
- }
-
- dc.SetBackgroundMode(wxTRANSPARENT);
- int extraH = (total_h > text_h) ? (total_h - text_h)/2 : 0;
- dc.DrawText( item->GetText(),
- (wxCoord)(image_w + item->GetX()),
- (wxCoord)(item->GetY() + extraH));
-
- // restore normal font
- dc.SetFont( m_normalFont );
-}
-
-// Now y stands for the top of the item, whereas it used to stand for middle !
-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 );
-
- int oldY = y;
- y+=GetLineHeight(item)/2;
-
- item->SetCross( horizX+m_indent, y );
-
- int exposed_x = dc.LogicalToDeviceX( 0 );
- int exposed_y = dc.LogicalToDeviceY( item->GetY() );
-
- if (IsExposed( exposed_x, exposed_y, 10000, GetLineHeight(item) )) // 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 );
-
- dc.SetPen( m_dottedPen );
- }
-
- wxPen *pen = wxTRANSPARENT_PEN;
- wxColour colText;
-
- if ( item->IsSelected() )
- {
- colText = wxSystemSettings::GetSystemColour( wxSYS_COLOUR_HIGHLIGHTTEXT );
-
- if ( m_hasFocus )
- pen = wxBLACK_PEN;
-
- }
- else
- {
- wxTreeItemAttr *attr = item->GetAttributes();
- if ( attr && attr->HasTextColour() )
- colText = attr->GetTextColour();
- else
- colText = *wxBLACK;
- }
-
- // prepare to draw
- dc.SetTextForeground(colText);
- dc.SetPen(*pen);
-
- // draw
- PaintItem(item, dc);
-
- // restore DC objects
- dc.SetBrush( *wxWHITE_BRUSH );
- dc.SetPen( m_dottedPen );
- dc.SetTextForeground( *wxBLACK );
- }
-
- y = oldY+GetLineHeight(item);
-
- if (item->IsExpanded())
- {
- oldY+=GetLineHeight(item)/2;
- int semiOldY=0;
-
- wxArrayGenericTreeItems& children = item->GetChildren();
- size_t n, count = children.Count();
- for ( n = 0; n < count; ++n )
- {
- 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)
- {
- semiOldY+=GetLineHeight(children[--n])/2;
- dc.DrawLine( horizX+m_indent, oldY+5, horizX+m_indent, semiOldY );
- }
- }
-}
-
-void wxTreeCtrl::DrawDropEffect(wxGenericTreeItem *item)
-{
- if ( item )
- {
- if ( item->HasPlus() )
- {
- // it's a folder, indicate it by a border
- DrawBorder(item);
- }
- else
- {
- // draw a line under the drop target because the item will be
- // dropped there
- DrawLine(item, TRUE /* below */);
- }
-
- SetCursor(wxCURSOR_BULLSEYE);
- }
- else
- {
- // can't drop here
- SetCursor(wxCURSOR_NO_ENTRY);
- }
-}
-
-void wxTreeCtrl::DrawBorder(const wxTreeItemId &item)
-{
- wxCHECK_RET( item.IsOk(), _T("invalid item in wxTreeCtrl::DrawLine") );
-
- wxGenericTreeItem *i = item.m_pItem;
-
- wxClientDC dc(this);
- PrepareDC( dc );
- dc.SetLogicalFunction(wxINVERT);
- dc.SetBrush(*wxTRANSPARENT_BRUSH);
-
- int w = i->GetWidth() + 2;
- int h = GetLineHeight(i) + 2;
-
- dc.DrawRectangle( i->GetX() - 1, i->GetY() - 1, w, h);
-}
-
-void wxTreeCtrl::DrawLine(const wxTreeItemId &item, bool below)
-{
- wxCHECK_RET( item.IsOk(), _T("invalid item in wxTreeCtrl::DrawLine") );
-
- wxGenericTreeItem *i = item.m_pItem;
-
- wxClientDC dc(this);
- PrepareDC( dc );
- dc.SetLogicalFunction(wxINVERT);
-
- int x = i->GetX(),
- y = i->GetY();
- if ( below )
- {
- y += GetLineHeight(i) - 1;
- }
-
- dc.DrawLine( x, y, x + i->GetWidth(), y);
-}
-
-// -----------------------------------------------------------------------------
-// wxWindows callbacks
-// -----------------------------------------------------------------------------
-
-void wxTreeCtrl::OnPaint( wxPaintEvent &WXUNUSED(event) )
-{
- if ( !m_anchor)
- return;
-
- wxPaintDC dc(this);
- PrepareDC( dc );
-
- dc.SetFont( m_normalFont );
- dc.SetPen( m_dottedPen );
-
- // this is now done dynamically
- //if(GetImageList() == NULL)
- // m_lineHeight = (int)(dc.GetCharHeight() + 4);
-
- int y = 2;
- PaintLevel( m_anchor, dc, 0, y );
-}
-
-void wxTreeCtrl::OnSetFocus( wxFocusEvent &WXUNUSED(event) )
-{
- m_hasFocus = TRUE;
-
- if (m_current) RefreshLine( m_current );
-}
-
-void wxTreeCtrl::OnKillFocus( wxFocusEvent &WXUNUSED(event) )
-{
- m_hasFocus = FALSE;
-
- if (m_current) RefreshLine( m_current );
-}
-
-void wxTreeCtrl::OnChar( wxKeyEvent &event )
-{
- wxTreeEvent te( wxEVT_COMMAND_TREE_KEY_DOWN, GetId() );
- te.m_code = (int)event.KeyCode();
- te.SetEventObject( this );
- GetEventHandler()->ProcessEvent( te );
-
- if ( (m_current == 0) || (m_key_current == 0) )
- {
- event.Skip();
- return;
- }
-
- // how should the selection work for this event?
- bool is_multiple, extended_select, unselect_others;
- EventFlagsToSelType(GetWindowStyleFlag(),
- event.ShiftDown(),
- event.ControlDown(),
- is_multiple, extended_select, unselect_others);
-
- // + : Expand
- // - : Collaspe
- // * : Expand all/Collapse all
- // ' ' | return : activate
- // up : go up (not last children!)
- // down : go down
- // left : go to parent
- // right : open if parent and go next
- // home : go to root
- // end : go to last item without opening parents
- switch (event.KeyCode())
- {
- case '+':
- case WXK_ADD:
- if (m_current->HasPlus() && !IsExpanded(m_current))
- {
- Expand(m_current);
- }
- break;
-
- case '*':
- case WXK_MULTIPLY:
- if ( !IsExpanded(m_current) )
- {
- // expand all
- ExpandAll(m_current);
- break;
- }
- //else: fall through to Collapse() it
-
- case '-':
- case WXK_SUBTRACT:
- if (IsExpanded(m_current))
- {
- Collapse(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_key_current );
- if (!prev)
- {
- prev = GetParent( m_key_current );
- if (prev)
- {
- long cockie = 0;
- wxTreeItemId current = m_key_current;
- if (current == GetFirstChild( prev, cockie ))
- {
- // otherwise we return to where we came from
- SelectItem( prev, unselect_others, extended_select );
- m_key_current=prev.m_pItem;
- EnsureVisible( prev );
- break;
- }
- }
- }
- if (prev)
- {
- while ( IsExpanded(prev) && HasChildren(prev) )
- {
- wxTreeItemId child = GetLastChild(prev);
- if ( child )
- {
- prev = child;
- }
- }
-
- SelectItem( prev, unselect_others, extended_select );
- m_key_current=prev.m_pItem;
- 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_key_current) && HasChildren(m_key_current))
- {
- long cookie = 0;
- wxTreeItemId child = GetFirstChild( m_key_current, cookie );
- SelectItem( child, unselect_others, extended_select );
- m_key_current=child.m_pItem;
- EnsureVisible( child );
- }
- else
- {
- wxTreeItemId next = GetNextSibling( m_key_current );
- if (!next)
- {
- wxTreeItemId current = m_key_current;
- while (current && !next)
- {
- current = GetParent( current );
- if (current) next = GetNextSibling( current );
- }
- }
- if (next)
- {
- SelectItem( next, unselect_others, extended_select );
- m_key_current=next.m_pItem;
- 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& flags)
-{
- // We have to call this here because the label in
- // question might just have been added and no screen
- // update taken place.
- if (m_dirty) wxYield();
-
- wxClientDC dc(this);
- PrepareDC(dc);
- wxCoord x = dc.DeviceToLogicalX( point.x );
- wxCoord y = dc.DeviceToLogicalY( point.y );
- int w, h;
- GetSize(&w, &h);
-
- flags=0;
- if (point.x<0) flags|=wxTREE_HITTEST_TOLEFT;
- if (point.x>w) flags|=wxTREE_HITTEST_TORIGHT;
- if (point.y<0) flags|=wxTREE_HITTEST_ABOVE;
- if (point.y>h) flags|=wxTREE_HITTEST_BELOW;
-
- return m_anchor->HitTest( wxPoint(x, y), this, flags);
-}
-
-/* **** */
-
-void wxTreeCtrl::Edit( const wxTreeItemId& item )
-{
- if (!item.IsOk()) return;
-
- m_currentEdit = item.m_pItem;
-
- wxTreeEvent te( wxEVT_COMMAND_TREE_BEGIN_LABEL_EDIT, GetId() );
- te.m_item = m_currentEdit;
- te.SetEventObject( this );
- GetEventHandler()->ProcessEvent( te );
-
- if (!te.IsAllowed()) return;
-
- // We have to call this here because the label in
- // question might just have been added and no screen
- // update taken place.
- if (m_dirty) wxYield();
-
- wxString s = m_currentEdit->GetText();
- int x = m_currentEdit->GetX();
- int y = m_currentEdit->GetY();
- int w = m_currentEdit->GetWidth();
- int h = m_currentEdit->GetHeight();
-
- int image_h = 0;
- int image_w = 0;
-
- int image = m_currentEdit->GetCurrentImage();
- if ( image != NO_IMAGE )
- {
- if ( m_imageListNormal )
- {
- m_imageListNormal->GetSize( image, image_w, image_h );
- image_w += 4;
- }
- else
- {
- wxFAIL_MSG(_T("you must create an image list to use images!"));
- }
- }
- x += image_w;
- w -= image_w + 4; // I don't know why +4 is needed
-
- wxClientDC dc(this);
- PrepareDC( dc );
- x = dc.LogicalToDeviceX( x );
- y = dc.LogicalToDeviceY( y );
-
- wxTreeTextCtrl *text = new wxTreeTextCtrl(
- this, -1, &m_renameAccept, &m_renameRes, this, s, wxPoint(x-4,y-4), wxSize(w+11,h+8) );
- text->SetFocus();
-}
-
-void wxTreeCtrl::OnRenameTimer()
-{
- Edit( m_current );
-}
-
-void wxTreeCtrl::OnRenameAccept()
-{
- wxTreeEvent le( wxEVT_COMMAND_TREE_END_LABEL_EDIT, GetId() );
- le.m_item = m_currentEdit;
- le.SetEventObject( this );
- le.m_label = m_renameRes;
- GetEventHandler()->ProcessEvent( le );
-
- if (!le.IsAllowed()) return;
-
- SetItemText( m_currentEdit, m_renameRes );
-}
-
-void wxTreeCtrl::OnMouse( wxMouseEvent &event )
-{
- if ( !m_anchor ) return;
-
- // we process left mouse up event (enables in-place edit), right down
- // (pass to the user code), left dbl click (activate item) and
- // dragging/moving events for items drag-and-drop
- if ( !(event.LeftDown() ||
- event.LeftUp() ||
- event.RightDown() ||
- event.LeftDClick() ||
- event.Dragging() ||
- ((event.Moving() || event.RightUp()) && m_isDragging)) )
- {
- event.Skip();
-
- return;
- }
-
- wxClientDC dc(this);
- PrepareDC(dc);
- wxCoord x = dc.DeviceToLogicalX( event.GetX() );
- wxCoord y = dc.DeviceToLogicalY( event.GetY() );
-
- int flags = 0;
- wxGenericTreeItem *item = m_anchor->HitTest( wxPoint(x,y), this, flags);
-
- if ( event.Dragging() && !m_isDragging )
- {
- if (m_dragCount == 0)
- m_dragStart = wxPoint(x,y);
-
- m_dragCount++;
-
- if (m_dragCount != 3)
- {
- // wait until user drags a bit further...
- return;
- }
-
- wxEventType command = event.RightIsDown()
- ? wxEVT_COMMAND_TREE_BEGIN_RDRAG
- : wxEVT_COMMAND_TREE_BEGIN_DRAG;
-
- wxTreeEvent nevent( command, GetId() );
- nevent.m_item = m_current;
- nevent.SetEventObject(this);
-
- // by default the dragging is not supported, the user code must
- // explicitly allow the event for it to take place
- nevent.Veto();
-
- if ( GetEventHandler()->ProcessEvent(nevent) && nevent.IsAllowed() )
- {
- // we're going to drag this item
- m_isDragging = TRUE;
-
- // remember the old cursor because we will change it while
- // dragging
- m_oldCursor = m_cursor;
-
- // in a single selection control, hide the selection temporarily
- if ( !(GetWindowStyleFlag() & wxTR_MULTIPLE) )
- {
- m_oldSelection = GetSelection().m_pItem;
-
- if ( m_oldSelection )
- {
- m_oldSelection->SetHilight(FALSE);
- RefreshLine(m_oldSelection);
- }
- }
-
- CaptureMouse();
- }
- }
- else if ( event.Moving() )
- {
- if ( item != m_dropTarget )
- {
- // unhighlight the previous drop target
- DrawDropEffect(m_dropTarget);
-
- m_dropTarget = item;
-
- // highlight the current drop target if any
- DrawDropEffect(m_dropTarget);
-
- wxYield();
- }
- }
- else if ( (event.LeftUp() || event.RightUp()) && m_isDragging )
- {
- // erase the highlighting
- DrawDropEffect(m_dropTarget);
-
- // generate the drag end event
- wxTreeEvent event(wxEVT_COMMAND_TREE_END_DRAG, GetId());
-
- event.m_item = item;
- event.m_pointDrag = wxPoint(x, y);
- event.SetEventObject(this);
-
- (void)GetEventHandler()->ProcessEvent(event);
-
- m_isDragging = FALSE;
- m_dropTarget = (wxGenericTreeItem *)NULL;
-
- if ( m_oldSelection )
- {
- m_oldSelection->SetHilight(TRUE);
- RefreshLine(m_oldSelection);
- m_oldSelection = (wxGenericTreeItem *)NULL;
- }
-
- ReleaseMouse();
-
- SetCursor(m_oldCursor);
-
- wxYield();
- }
- else
- {
- // here we process only the messages which happen on tree items
-
- m_dragCount = 0;
-
- if (item == NULL) return; /* we hit the blank area */
-
- if ( event.RightDown() )
- {
- wxTreeEvent nevent(wxEVT_COMMAND_TREE_ITEM_RIGHT_CLICK, GetId());
- nevent.m_item = item;
- nevent.m_code = 0;
- nevent.SetEventObject(this);
- GetEventHandler()->ProcessEvent(nevent);
- }
- else if ( event.LeftUp() && m_lastOnSame )
- {
- if ( (item == m_current) &&
- (flags & wxTREE_HITTEST_ONITEMLABEL) &&
- HasFlag(wxTR_EDIT_LABELS) )
- {
- m_renameTimer->Start( 100, TRUE );
- }
-
- m_lastOnSame = FALSE;
- }
- else
- {
- if ( event.LeftDown() )
- {
- m_lastOnSame = item == m_current;
- }
-
- // how should the selection work for this event?
- bool is_multiple, extended_select, unselect_others;
- EventFlagsToSelType(GetWindowStyleFlag(),
- event.ShiftDown(),
- event.ControlDown(),
- is_multiple, extended_select, unselect_others);
-
- if ( (flags & wxTREE_HITTEST_ONITEMBUTTON) && event.LeftDown() )
- {
- Toggle( item );
- if ( is_multiple )
- return;
- }
-
- SelectItem(item, unselect_others, extended_select);
-
- if ( event.LeftDClick() )
- {
- // double clicking should not start editing the item label
- m_renameTimer->Stop();
- m_lastOnSame = FALSE;
-
- wxTreeEvent nevent( wxEVT_COMMAND_TREE_ITEM_ACTIVATED, GetId() );
- nevent.m_item = item;
- nevent.m_code = 0;
- nevent.SetEventObject( this );
- GetEventHandler()->ProcessEvent( nevent );
- }
- }
- }
-}
-
-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();
- Refresh();
- AdjustMyScrollbars();
-}
-
-void wxTreeCtrl::CalculateSize( wxGenericTreeItem *item, wxDC &dc )
-{
- wxCoord text_w = 0;
- wxCoord text_h = 0;
-
- if (item->IsBold())
- dc.SetFont(m_boldFont);
-
- dc.GetTextExtent( item->GetText(), &text_w, &text_h );
- text_h+=2;
-
- // restore normal font
- dc.SetFont( m_normalFont );
-
- int image_h = 0;
- int image_w = 0;
- int image = item->GetCurrentImage();
- if ( image != NO_IMAGE )
- {
- if ( m_imageListNormal )
- {
- m_imageListNormal->GetSize( image, image_w, image_h );
- image_w += 4;
- }
- }
-
- int total_h = (image_h > text_h) ? image_h : text_h;
-
- if (total_h < 40)
- total_h += 2; // at least 2 pixels
- else
- total_h += total_h/10; // otherwise 10% extra spacing
-
- item->SetHeight(total_h);
- if (total_h>m_lineHeight)
- m_lineHeight=total_h;
-
- item->SetWidth(image_w+text_w+2);
-}
-
-// -----------------------------------------------------------------------------
-// for developper : y is now the top of the level
-// not the middle of it !
-void wxTreeCtrl::CalculateLevel( wxGenericTreeItem *item, wxDC &dc, int level, int &y )
-{
- int horizX = level*m_indent;
-
- CalculateSize( item, dc );
-
- // set its position
- item->SetX( horizX+m_indent+m_spacing );
- item->SetY( y );
- y+=GetLineHeight(item);
-
- if ( !item->IsExpanded() )
- {
- // we dont need to calculate collapsed branches
- return;
- }
-
- wxArrayGenericTreeItems& children = item->GetChildren();
- size_t n, count = children.Count();
- for (n = 0; n < count; ++n )
- CalculateLevel( children[n], dc, level+1, y ); // recurse
-}
-
-void wxTreeCtrl::CalculatePositions()
-{
- if ( !m_anchor ) return;
-
- wxClientDC dc(this);
- PrepareDC( dc );
-
- dc.SetFont( m_normalFont );
-
- dc.SetPen( m_dottedPen );
- //if(GetImageList() == NULL)
- // m_lineHeight = (int)(dc.GetCharHeight() + 4);
-
- int y = 2;
- CalculateLevel( m_anchor, dc, 0, y ); // start recursion
-}
-
-void wxTreeCtrl::RefreshSubtree(wxGenericTreeItem *item)
-{
- if (m_dirty) return;
-
- 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 (m_dirty) return;
-
- wxClientDC dc(this);
- PrepareDC( dc );
-
- int cw = 0;
- int ch = 0;
- GetClientSize( &cw, &ch );
-
- wxRect rect;
- rect.x = dc.LogicalToDeviceX( 0 );
- rect.y = dc.LogicalToDeviceY( item->GetY() );
- rect.width = cw;
- rect.height = GetLineHeight(item); //dc.GetCharHeight() + 6;
-
- Refresh( TRUE, &rect );
-}
-