/////////////////////////////////////////////////////////////////////////////
// Name: treectrl.cpp
-// Purpose:
+// 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"
+ #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/intl.h"
+#include "wx/dynarray.h"
+#include "wx/arrimpl.cpp"
+#include "wx/dcclient.h"
+#include "wx/msgdlg.h"
-//-----------------------------------------------------------------------------
-// wxTreeItem
-//-----------------------------------------------------------------------------
+// -----------------------------------------------------------------------------
+// array types
+// -----------------------------------------------------------------------------
-IMPLEMENT_DYNAMIC_CLASS(wxTreeItem, wxObject)
+class WXDLLEXPORT wxGenericTreeItem;
-wxTreeItem::wxTreeItem()
-{
- m_mask = 0;
- m_itemId = 0;
- m_state = 0;
- m_stateMask = 0;
- m_image = -1;
- m_selectedImage = -1;
- m_children = 0;
- m_data = 0;
-}
+WX_DEFINE_ARRAY(wxGenericTreeItem *, wxArrayGenericTreeItems);
+WX_DEFINE_OBJARRAY(wxArrayTreeItemIds);
-//-----------------------------------------------------------------------------
-// wxTreeEvent
-//-----------------------------------------------------------------------------
+// ----------------------------------------------------------------------------
+// constants
+// ----------------------------------------------------------------------------
-IMPLEMENT_DYNAMIC_CLASS(wxTreeEvent,wxCommandEvent)
+static const int NO_IMAGE = -1;
-wxTreeEvent::wxTreeEvent( wxEventType commandType, int id ) :
- wxCommandEvent( commandType, id )
+#define PIXELS_PER_UNIT 10
+
+// -----------------------------------------------------------------------------
+// private classes
+// -----------------------------------------------------------------------------
+
+// timer used for enabling in-place edit
+class WXDLLEXPORT wxTreeRenameTimer: public wxTimer
{
- m_code = 0;
- m_oldItem = 0;
-}
+public:
+ wxTreeRenameTimer( wxTreeCtrl *owner );
-//-----------------------------------------------------------------------------
-// wxGenericTreeItem
-//-----------------------------------------------------------------------------
+ void Notify();
-IMPLEMENT_DYNAMIC_CLASS(wxGenericTreeItem,wxObject)
+private:
+ wxTreeCtrl *m_owner;
+};
-wxGenericTreeItem::wxGenericTreeItem( wxGenericTreeItem *parent )
+// control used for in-place edit
+class WXDLLEXPORT wxTreeTextCtrl: public wxTextCtrl
{
- Reset();
- m_parent = parent;
- m_hasHilight = FALSE;
-}
+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 );
-wxGenericTreeItem::wxGenericTreeItem( wxGenericTreeItem *parent, const wxTreeItem& item, wxDC *dc )
-{
- Reset();
- SetItem( item, dc );
- m_parent = parent;
- m_hasHilight = FALSE;
-}
+ void OnChar( wxKeyEvent &event );
+ void OnKillFocus( wxFocusEvent &event );
-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;
-}
+private:
+ bool *m_accept;
+ wxString *m_res;
+ wxTreeCtrl *m_owner;
+ wxString m_startValue;
-void wxGenericTreeItem::SetText( const wxString &text, wxDC *dc )
-{
- m_text = text;
- long lw = 0;
- long lh = 0;
- dc->GetTextExtent( m_text, &lw, &lh );
- m_width = lw;
- m_height = lh;
-}
+ DECLARE_EVENT_TABLE()
+ DECLARE_DYNAMIC_CLASS(wxTreeTextCtrl);
+};
-void wxGenericTreeItem::Reset()
+// a tree item
+class WXDLLEXPORT wxGenericTreeItem
{
- 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_isCollapsed = TRUE;
- m_parent = (wxGenericTreeItem *) NULL;
-}
+public:
+ // ctors & dtor
+ wxGenericTreeItem() { m_data = NULL; }
+ wxGenericTreeItem( wxGenericTreeItem *parent,
+ const wxString& text,
+ wxDC& dc,
+ int image, int selImage,
+ wxTreeItemData *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;
-}
+ ~wxGenericTreeItem();
-bool wxGenericTreeItem::HasChildren()
-{
- return m_hasChildren;
-}
+ // trivial accessors
+ wxArrayGenericTreeItems& GetChildren() { return m_children; }
-bool wxGenericTreeItem::HasPlus()
-{
- if ( !HasChildren() )
- return FALSE;
+ const wxString& GetText() const { return m_text; }
+ int GetImage(wxTreeItemIcon which = wxTreeItemIcon_Normal) const
+ { return m_images[which]; }
+ wxTreeItemData *GetData() const { return m_data; }
- return !IsExpanded();
-}
+ // returns the current image for the item (depending on its
+ // selected/expanded/whatever state)
+ int GetCurrentImage() const;
-int wxGenericTreeItem::NumberOfVisibleDescendents()
-{
- 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;
-}
+ void SetText( const wxString &text );
+ void SetImage(int image, wxTreeItemIcon which) { m_images[which] = image; }
+ void SetData(wxTreeItemData *data) { m_data = data; }
-int wxGenericTreeItem::NumberOfVisibleChildren()
-{
- return m_isCollapsed ? 0 : m_children.Number();
-}
+ void SetHasPlus(bool has = TRUE) { m_hasPlus = has; }
-wxGenericTreeItem *wxGenericTreeItem::FindItem( long itemId ) const
-{
- if (m_itemId == itemId) return (wxGenericTreeItem*)(this);
- wxNode *node = m_children.First();
- while (node)
- {
- wxGenericTreeItem *item = (wxGenericTreeItem*)node->Data();
- wxGenericTreeItem *res = item->FindItem( itemId );
- if (res) return (wxGenericTreeItem*)(res);
- node = node->Next();
- }
- return (wxGenericTreeItem *) NULL;
-}
+ 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
-void wxGenericTreeItem::AddChild( wxGenericTreeItem *child )
+ 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)
{
- m_children.Append( child );
+ *is_multiple = (style & wxTR_MULTIPLE) != 0;
+ *extended_select = shiftDown && is_multiple;
+ *unselect_others = !(extended_select || (ctrlDown && is_multiple));
}
-void wxGenericTreeItem::SetCross( int x, int y )
+// -----------------------------------------------------------------------------
+// wxTreeRenameTimer (internal)
+// -----------------------------------------------------------------------------
+
+wxTreeRenameTimer::wxTreeRenameTimer( wxTreeCtrl *owner )
{
- m_xCross = x;
- m_yCross = y;
+ m_owner = owner;
}
-void wxGenericTreeItem::GetSize( int &x, int &y )
+void wxTreeRenameTimer::Notify()
{
- if (y < m_y + 10) y = m_y +10;
- int width = m_x + m_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();
- }
+ m_owner->OnRenameTimer();
}
-long wxGenericTreeItem::HitTest( const wxPoint& point, int &flags )
-{
- if ((point.y > m_y) && (point.y < m_y+m_height))
- {
- 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)
+//-----------------------------------------------------------------------------
+// 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)
{
- flags = wxTREE_HITTEST_ONITEMRIGHT;
- return m_itemId;
+ (*m_accept) = TRUE;
+ (*m_res) = GetValue();
+
+ if (!wxPendingDelete.Member(this))
+ wxPendingDelete.Append(this);
+
+ if ((*m_accept) && ((*m_res) != m_startValue))
+ m_owner->OnRenameAccept();
+
+ return;
}
- flags = wxTREE_HITTEST_ONITEMINDENT;
- return m_itemId;
- }
- else
- {
- if (!m_isCollapsed)
+ if (event.m_keyCode == WXK_ESCAPE)
{
- 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();
- }
+ (*m_accept) = FALSE;
+ (*m_res) = "";
+
+ if (!wxPendingDelete.Member(this))
+ wxPendingDelete.Append(this);
+
+ return;
}
- }
- return -1;
+ event.Skip();
}
-void wxGenericTreeItem::PrepareEvent( wxTreeEvent &event )
+void wxTreeTextCtrl::OnKillFocus( wxFocusEvent &WXUNUSED(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;
-}
+ if (!wxPendingDelete.Member(this))
+ wxPendingDelete.Append(this);
-void wxGenericTreeItem::SendKeyDown( wxWindow *target )
-{
- wxTreeEvent event( wxEVT_COMMAND_TREE_KEY_DOWN, target->GetId() );
- PrepareEvent( event );
- event.SetEventObject( target );
- target->ProcessEvent( event );
+ if ((*m_accept) && ((*m_res) != m_startValue))
+ m_owner->OnRenameAccept();
}
-void wxGenericTreeItem::SendSelected( wxWindow *target )
+// -----------------------------------------------------------------------------
+// wxTreeEvent
+// -----------------------------------------------------------------------------
+
+IMPLEMENT_DYNAMIC_CLASS(wxTreeEvent, wxNotifyEvent)
+
+wxTreeEvent::wxTreeEvent( wxEventType commandType, int id )
+ : wxNotifyEvent( commandType, id )
{
- wxTreeEvent event( wxEVT_COMMAND_TREE_SEL_CHANGED, target->GetId() );
- PrepareEvent( event );
- event.SetEventObject( target );
- target->ProcessEvent( event );
+ m_code = 0;
+ m_itemOld = (wxGenericTreeItem *)NULL;
}
-void wxGenericTreeItem::SendDelete( wxWindow *target )
+// -----------------------------------------------------------------------------
+// wxGenericTreeItem
+// -----------------------------------------------------------------------------
+
+wxGenericTreeItem::wxGenericTreeItem(wxGenericTreeItem *parent,
+ const wxString& text,
+ wxDC& WXUNUSED(dc),
+ int image, int selImage,
+ wxTreeItemData *data)
+ : m_text(text)
{
- wxTreeEvent event( wxEVT_COMMAND_TREE_DELETE_ITEM, target->GetId() );
- PrepareEvent( event );
- event.SetEventObject( target );
- target->ProcessEvent( event );
+ 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;
}
-void wxGenericTreeItem::SendExpand( wxWindow *target )
+wxGenericTreeItem::~wxGenericTreeItem()
{
- m_isCollapsed = FALSE;
+ delete m_data;
- wxTreeEvent event( wxEVT_COMMAND_TREE_ITEM_EXPANDING, target->GetId() );
- event.SetEventObject( target );
- PrepareEvent( event );
- target->ProcessEvent( event );
+ delete m_attr;
- event.SetEventType(wxEVT_COMMAND_TREE_ITEM_EXPANDED);
- PrepareEvent( event );
- target->ProcessEvent( event );
+ wxASSERT_MSG( m_children.IsEmpty(),
+ wxT("please call DeleteChildren() before deleting the item") );
}
-void wxGenericTreeItem::SendCollapse( wxWindow *target )
+void wxGenericTreeItem::DeleteChildren(wxTreeCtrl *tree)
{
- m_isCollapsed = TRUE;
+ size_t count = m_children.Count();
+ for ( size_t n = 0; n < count; n++ )
+ {
+ wxGenericTreeItem *child = m_children[n];
+ if (tree)
+ tree->SendDeleteEvent(child);
- wxTreeEvent event( wxEVT_COMMAND_TREE_ITEM_COLLAPSING, target->GetId() );
- event.SetEventObject( target );
- PrepareEvent( event );
- target->ProcessEvent( event );
+ child->DeleteChildren(tree);
+ delete child;
+ }
- event.SetEventType(wxEVT_COMMAND_TREE_ITEM_COLLAPSED);
- PrepareEvent( event );
- target->ProcessEvent( event );
+ m_children.Empty();
}
-void wxGenericTreeItem::SetHilight( bool set )
+void wxGenericTreeItem::SetText( const wxString &text )
{
- m_hasHilight = set;
+ m_text = text;
}
-bool wxGenericTreeItem::HasHilight()
+void wxGenericTreeItem::Reset()
{
- return m_hasHilight;
-}
+ m_text.Empty();
+ for ( int i = 0; i < wxTreeItemIcon_Max; i++ )
+ {
+ m_images[i] = NO_IMAGE;
+ }
-//-----------------------------------------------------------------------------
-// wxTreeCtrl
-//-----------------------------------------------------------------------------
+ m_data = NULL;
+ m_x = m_y =
+ m_height = m_width = 0;
+ m_xCross =
+ m_yCross = 0;
-IMPLEMENT_DYNAMIC_CLASS(wxTreeCtrl,wxScrolledWindow)
+ m_level = 0;
-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)
-END_EVENT_TABLE()
+ DeleteChildren();
+ m_isCollapsed = TRUE;
-wxTreeCtrl::wxTreeCtrl()
-{
- m_current = (wxGenericTreeItem *) NULL;
- 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_hilightBrush = new wxBrush( wxSystemSettings::GetSystemColour(wxSYS_COLOUR_HIGHLIGHT), wxSOLID );
- m_imageList = (wxImageList *) NULL;
- m_smallImageList = (wxImageList *) NULL;
-}
-
-wxTreeCtrl::wxTreeCtrl(wxWindow *parent, wxWindowID id,
- const wxPoint& pos, const wxSize& size,
- long style, const wxString& name )
-{
- m_current = (wxGenericTreeItem *) NULL;
- 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_hilightBrush = new wxBrush( wxSystemSettings::GetSystemColour(wxSYS_COLOUR_HIGHLIGHT), wxSOLID );
- m_imageList = (wxImageList *) NULL;
- m_smallImageList = (wxImageList *) NULL;
- Create( parent, id, pos, size, style, name );
+ m_parent = (wxGenericTreeItem *)NULL;
}
-wxTreeCtrl::~wxTreeCtrl()
+size_t wxGenericTreeItem::GetChildrenCount(bool recursively) const
{
- if (m_hilightBrush) delete m_hilightBrush;
- if (m_anchor) delete m_anchor;
+ 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;
}
-bool wxTreeCtrl::Create(wxWindow *parent, wxWindowID id,
- const wxPoint& pos, const wxSize& size,
- long style, const wxString& name )
+void wxGenericTreeItem::SetCross( int x, int y )
{
- wxScrolledWindow::Create( parent, id, pos, size, style, name );
- SetBackgroundColour( *wxWHITE );
- m_dottedPen = wxPen( *wxBLACK, 0, 0 );
- return TRUE;
+ m_xCross = x;
+ m_yCross = y;
}
-int wxTreeCtrl::GetCount() const
+void wxGenericTreeItem::GetSize( int &x, int &y, const wxTreeCtrl *theTree )
{
- if (!m_anchor) return 0;
- return m_anchor->NumberOfVisibleDescendents();
+ 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 );
+ }
+ }
}
-long wxTreeCtrl::InsertItem( long parent, const wxString& label, int image,
- int selImage, long WXUNUSED(insertAfter) )
+wxGenericTreeItem *wxGenericTreeItem::HitTest( const wxPoint& point,
+ const wxTreeCtrl *theTree,
+ int &flags)
{
- wxGenericTreeItem *p = (wxGenericTreeItem *) 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;
- }
+ 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;
- wxClientDC dc(this);
- wxGenericTreeItem *new_child = new wxGenericTreeItem( p, item, &dc );
- if (p)
- p->AddChild( new_child );
- else
- m_anchor = new_child;
+ // 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 (p)
- {
- CalculatePositions();
+ if ((point.x >= m_x) && (point.x <= m_x+m_width))
+ {
+ int image_w = -1;
+ int image_h;
- if (!p->HasChildren()) p->m_hasChildren = TRUE;
+ // 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);
- int cw = 0, ch = 0;
- GetClientSize( &cw, &ch );
+ if ((image_w != -1) && (point.x <= m_x + image_w + 1))
+ flags |= wxTREE_HITTEST_ONITEMICON;
+ else
+ flags |= wxTREE_HITTEST_ONITEMLABEL;
- PrepareDC( dc );
-
- wxRectangle rect;
- rect.x = dc.LogicalToDeviceX( 0 );
- rect.y = 0;
- rect.width = 10000;
- rect.height = ch;
+ return this;
+ }
- if (p->m_children.Number() == 1)
- {
- rect.y = dc.LogicalToDeviceY( p->m_y );
+ if (point.x < m_x)
+ flags |= wxTREE_HITTEST_ONITEMINDENT;
+ if (point.x > m_x+m_width)
+ flags |= wxTREE_HITTEST_ONITEMRIGHT;
+
+ return this;
}
else
{
- wxNode *node = p->m_children.Member( new_child )->Previous();
- wxGenericTreeItem* last_child = (wxGenericTreeItem*)node->Data();
- rect.y = dc.LogicalToDeviceY( last_child->m_y );
+ 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;
+ }
+ }
}
- AdjustMyScrollbars();
-
- if (rect.height > 0) Refresh( FALSE, &rect);
- }
- else
- {
- AdjustMyScrollbars();
-
- Refresh();
- }
+ flags|=wxTREE_HITTEST_NOWHERE;
- return m_lastId;
+ return (wxGenericTreeItem*) NULL;
}
-long wxTreeCtrl::InsertItem( long parent, wxTreeItem &info, long WXUNUSED(insertAfter) )
+int wxGenericTreeItem::GetCurrentImage() const
{
- int oldMask = info.m_mask;
- wxGenericTreeItem *p = (wxGenericTreeItem *) NULL;
- if (parent == 0)
- {
- if (m_anchor) return -1;
- }
- else
- {
- p = FindItem( parent );
- if (!p)
+ int image = NO_IMAGE;
+ if ( IsExpanded() )
{
- 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;
- }
-
- wxClientDC dc(this);
- wxGenericTreeItem *new_child = new wxGenericTreeItem( p, info, &dc );
- if (p)
- p->AddChild( new_child );
- else
- m_anchor = new_child;
-
- if (p)
- {
- CalculatePositions();
-
- if (!p->HasChildren()) p->m_hasChildren = TRUE;
-
- int ch = 0;
- GetClientSize( (int *) NULL, &ch );
-
- PrepareDC( dc );
-
- wxRectangle rect;
- rect.x = dc.LogicalToDeviceX( 0 );
- rect.y = 0;
- rect.width = 10000;
- rect.height = ch;
+ if ( IsSelected() )
+ {
+ image = GetImage(wxTreeItemIcon_SelectedExpanded);
+ }
- if (p->m_children.Number() == 1)
+ 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
{
- rect.y = dc.LogicalToDeviceY( p->m_y );
+ if ( IsSelected() )
+ image = GetImage(wxTreeItemIcon_Selected);
}
- else
+
+ // may be it doesn't have the specific image we want, try the default one
+ // instead
+ if ( image == NO_IMAGE )
{
- wxNode *node = p->m_children.Member( new_child )->Previous();
- wxGenericTreeItem* last_child = (wxGenericTreeItem*)node->Data();
- rect.y = dc.LogicalToDeviceY( last_child->m_y );
+ image = GetImage();
}
- AdjustMyScrollbars();
+ return image;
+}
- if (rect.height > 0) Refresh( FALSE, &rect);
- }
- else
- {
- AdjustMyScrollbars();
+// -----------------------------------------------------------------------------
+// wxTreeCtrl implementation
+// -----------------------------------------------------------------------------
- Refresh();
- }
+IMPLEMENT_DYNAMIC_CLASS(wxTreeCtrl, wxScrolledWindow)
- info.m_mask = oldMask;
- return ret;
-}
+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()
-bool wxTreeCtrl::ExpandItem( long item, int action )
+// -----------------------------------------------------------------------------
+// construction/destruction
+// -----------------------------------------------------------------------------
+
+void wxTreeCtrl::Init()
{
- wxGenericTreeItem *i = FindItem( item );
- if (!i)
- return FALSE;
+ m_current =
+ m_key_current =
+ m_anchor = (wxGenericTreeItem *) NULL;
+ m_hasFocus = FALSE;
+ m_dirty = FALSE;
- switch (action)
- {
- case wxTREE_EXPAND_EXPAND:
- {
- i->SendExpand( this );
- break;
- }
+ m_xScroll = 0;
+ m_yScroll = 0;
+ m_lineHeight = 10;
+ m_indent = 15;
+ m_spacing = 18;
- case wxTREE_EXPAND_COLLAPSE_RESET:
- case wxTREE_EXPAND_COLLAPSE:
- {
- wxNode *node = i->m_children.First();
- while (node)
- {
- wxGenericTreeItem *child = (wxGenericTreeItem*)node->Data();
- if ( child->IsExpanded() )
- ExpandItem( child->m_itemId, wxTREE_EXPAND_COLLAPSE );
- node = node->Next();
- }
-
- CalculatePositions();
-
- i->SendCollapse( this );
- break;
- }
+ m_hilightBrush = new wxBrush
+ (
+ wxSystemSettings::GetSystemColour(wxSYS_COLOUR_HIGHLIGHT),
+ wxSOLID
+ );
- case wxTREE_EXPAND_TOGGLE:
- {
- if ( i->IsExpanded() )
- ExpandItem( item, wxTREE_EXPAND_COLLAPSE );
- else
- ExpandItem( item, wxTREE_EXPAND_EXPAND );
- return TRUE;
- }
- }
+ m_imageListNormal =
+ m_imageListState = (wxImageList *) NULL;
- 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( i->m_y );
- rect.height = ch;
- Refresh( TRUE, &rect );
+ m_dragCount = 0;
+ m_isDragging = FALSE;
+ m_dropTarget =
+ m_oldSelection = (wxGenericTreeItem *)NULL;
- AdjustMyScrollbars();
+ m_renameTimer = new wxTreeRenameTimer( this );
- return TRUE;
+ m_normalFont = wxSystemSettings::GetSystemFont( wxSYS_DEFAULT_GUI_FONT );
+ m_boldFont = wxFont( m_normalFont.GetPointSize(),
+ m_normalFont.GetFamily(),
+ m_normalFont.GetStyle(),
+ wxBOLD,
+ m_normalFont.GetUnderlined());
}
-void wxTreeCtrl::DeleteItem( long item )
+bool wxTreeCtrl::Create(wxWindow *parent, wxWindowID id,
+ const wxPoint& pos, const wxSize& size,
+ long style,
+ const wxValidator &validator,
+ const wxString& name )
{
- wxGenericTreeItem *pItem = FindItem( item );
- wxCHECK_RET( pItem != NULL, _("wxTreeCtrl::DeleteItem: no such pItem.") );
+ Init();
+
+ wxScrolledWindow::Create( parent, id, pos, size, style|wxHSCROLL|wxVSCROLL, name );
+
+#if wxUSE_VALIDATORS
+ SetValidator( validator );
+#endif
- pItem->m_parent->m_children.DeleteObject(pItem);
+ SetBackgroundColour( wxSystemSettings::GetSystemColour( wxSYS_COLOUR_LISTBOX ) );
+// m_dottedPen = wxPen( "grey", 0, wxDOT ); too slow under XFree86
+ m_dottedPen = wxPen( "grey", 0, 0 );
- Refresh();
+ return TRUE;
}
-void wxTreeCtrl::DeleteChildren( long item )
+wxTreeCtrl::~wxTreeCtrl()
{
- wxGenericTreeItem *pItem = FindItem( item );
- wxCHECK_RET( pItem != NULL, _("wxTreeCtrl::DeleteChildren: no such pItem.") );
+ wxDELETE( m_hilightBrush );
- pItem->m_children.Clear();
+ DeleteAllItems();
- Refresh();
+ delete m_renameTimer;
}
-bool wxTreeCtrl::DeleteAllItems()
-{
- delete m_anchor;
- m_anchor = (wxGenericTreeItem *) NULL;
- Refresh();
- return TRUE;
-}
+// -----------------------------------------------------------------------------
+// accessors
+// -----------------------------------------------------------------------------
-bool wxTreeCtrl::GetItem( wxTreeItem &info ) const
+size_t wxTreeCtrl::GetCount() const
{
- wxGenericTreeItem *i = FindItem( info.m_itemId );
- if (!i) return FALSE;
- i->GetItem( info );
- return TRUE;
+ return m_anchor == NULL ? 0u : m_anchor->GetChildrenCount();
}
-long wxTreeCtrl::GetItemData( long item ) const
+void wxTreeCtrl::SetIndent(unsigned int indent)
{
- wxGenericTreeItem *i = FindItem( item );
- if (!i) return 0;
- return i->m_data;
+ m_indent = indent;
+ m_dirty = TRUE;
}
-wxString wxTreeCtrl::GetItemText( long item ) const
+void wxTreeCtrl::SetSpacing(unsigned int spacing)
{
- wxGenericTreeItem *i = FindItem( item );
- if (!i) return "";
- return i->m_text;
+ m_spacing = spacing;
+ m_dirty = TRUE;
}
-int wxTreeCtrl::GetItemImage(long item) const
+size_t wxTreeCtrl::GetChildrenCount(const wxTreeItemId& item, bool recursively)
{
- wxGenericTreeItem *i = FindItem( item );
- return i == 0 ? -1 : i->GetImage();
+ wxCHECK_MSG( item.IsOk(), 0u, wxT("invalid tree item") );
+
+ return item.m_pItem->GetChildrenCount(recursively);
}
-long wxTreeCtrl::GetParent( long item ) const
+// -----------------------------------------------------------------------------
+// functions to work with tree items
+// -----------------------------------------------------------------------------
+
+wxString wxTreeCtrl::GetItemText(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(), wxT(""), wxT("invalid tree item") );
+
+ return item.m_pItem->GetText();
}
-long wxTreeCtrl::GetRootItem() const
+int wxTreeCtrl::GetItemImage(const wxTreeItemId& item,
+ wxTreeItemIcon which) const
{
- if (m_anchor) return m_anchor->m_itemId;
- return -1;
+ wxCHECK_MSG( item.IsOk(), -1, wxT("invalid tree item") );
+
+ return item.m_pItem->GetImage(which);
}
-long wxTreeCtrl::GetChild( long item ) const
+wxTreeItemData *wxTreeCtrl::GetItemData(const wxTreeItemId& item) const
{
- wxGenericTreeItem *i = FindItem( item );
- if (!i) return -1;
- if (!i->HasChildren()) return -1;
- wxNode *node = i->m_children.First();
- i = (wxGenericTreeItem *)node->Data();
- return i->m_itemId;
+ wxCHECK_MSG( item.IsOk(), NULL, wxT("invalid tree item") );
+
+ return item.m_pItem->GetData();
}
-long wxTreeCtrl::GetNextItem( long item, int code ) const
+void wxTreeCtrl::SetItemText(const wxTreeItemId& item, const wxString& text)
{
- switch (code)
- {
- case wxTREE_NEXT_CARET: return GetSelection();
- case wxTREE_NEXT_CHILD: return GetChild( item );
- case wxTREE_NEXT_ROOT: return GetRootItem();
- case wxTREE_NEXT_PARENT: return GetParent( item );
- case wxTREE_NEXT_NEXT:
- {
- wxGenericTreeItem *i = FindItem( item );
- if (!i) return -1;
- if (i->m_parent)
- {
- wxNode *node = i->m_parent->m_children.Member( i );
- if (!node) return -1;
- node = node->Next();
- if (!node) return -1;
- i = (wxGenericTreeItem *)node->Data();
- return i->m_itemId;
- }
- break;
- }
- case wxTREE_NEXT_PREVIOUS:
- {
- wxGenericTreeItem *i = FindItem( item );
- if (!i) return -1;
- if (i->m_parent)
- {
- wxNode *node = i->m_parent->m_children.Member( i );
- if (!node) return -1;
- node = node->Previous();
- if (!node) return -1;
- i = (wxGenericTreeItem *)node->Data();
- return i->m_itemId;
- }
- break;
- }
- }
- return -1;
+ wxCHECK_RET( item.IsOk(), wxT("invalid tree item") );
+
+ wxClientDC dc(this);
+ wxGenericTreeItem *pItem = item.m_pItem;
+ pItem->SetText(text);
+ CalculateSize(pItem, dc);
+ RefreshLine(pItem);
}
-long wxTreeCtrl::GetSelection() const
+void wxTreeCtrl::SetItemImage(const wxTreeItemId& item,
+ int image,
+ wxTreeItemIcon which)
{
- return m_current ? m_current->GetItemId() : -1;
+ 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);
}
-bool wxTreeCtrl::SelectItem( long itemId )
+void wxTreeCtrl::SetItemData(const wxTreeItemId& item, wxTreeItemData *data)
{
- wxGenericTreeItem *pItem = FindItem(itemId);
- if ( !pItem ) {
- wxLogDebug(_("Can't select an item %d which doesn't exist."), itemId);
+ wxCHECK_RET( item.IsOk(), wxT("invalid tree item") );
- return FALSE;
- }
+ item.m_pItem->SetData(data);
+}
- SelectItem(pItem);
+void wxTreeCtrl::SetItemHasChildren(const wxTreeItemId& item, bool has)
+{
+ wxCHECK_RET( item.IsOk(), wxT("invalid tree item") );
- return TRUE;
+ wxGenericTreeItem *pItem = item.m_pItem;
+ pItem->SetHasPlus(has);
+ RefreshLine(pItem);
}
-void wxTreeCtrl::SelectItem(wxGenericTreeItem *item)
+void wxTreeCtrl::SetItemBold(const wxTreeItemId& item, bool bold)
{
- if (m_current != item)
- {
- if (m_current)
+ 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 )
{
- m_current->SetHilight( FALSE );
- RefreshLine( m_current );
+ pItem->SetBold(bold);
+ RefreshLine(pItem);
}
- m_current = item;
- m_current->SetHilight( TRUE );
- RefreshLine( m_current );
-
- m_current->SendSelected( this );
- }
}
-bool wxTreeCtrl::ItemHasChildren( long item ) const
+void wxTreeCtrl::SetItemTextColour(const wxTreeItemId& item,
+ const wxColour& col)
{
- wxGenericTreeItem *i = FindItem( item );
- if (!i) return FALSE;
- return i->m_hasChildren;
+ wxCHECK_RET( item.IsOk(), wxT("invalid tree item") );
+
+ wxGenericTreeItem *pItem = item.m_pItem;
+ pItem->Attr().SetTextColour(col);
+ RefreshLine(pItem);
}
-void wxTreeCtrl::SetIndent( int indent )
+void wxTreeCtrl::SetItemBackgroundColour(const wxTreeItemId& item,
+ const wxColour& col)
{
- m_indent = indent;
- Refresh();
+ wxCHECK_RET( item.IsOk(), wxT("invalid tree item") );
+
+ wxGenericTreeItem *pItem = item.m_pItem;
+ pItem->Attr().SetBackgroundColour(col);
+ RefreshLine(pItem);
}
-int wxTreeCtrl::GetIndent() const
+void wxTreeCtrl::SetItemFont(const wxTreeItemId& item, const wxFont& font)
{
- return m_indent;
+ wxCHECK_RET( item.IsOk(), wxT("invalid tree item") );
+
+ wxGenericTreeItem *pItem = item.m_pItem;
+ pItem->Attr().SetFont(font);
+ RefreshLine(pItem);
}
-bool wxTreeCtrl::SetItem( wxTreeItem &info )
+// -----------------------------------------------------------------------------
+// item status inquiries
+// -----------------------------------------------------------------------------
+
+bool wxTreeCtrl::IsVisible(const wxTreeItemId& WXUNUSED(item)) const
{
- wxGenericTreeItem *i = FindItem( info.m_itemId );
- if (!i) return FALSE;
- wxClientDC dc(this);
- i->SetItem( info, &dc );
- Refresh();
- return TRUE;
+ wxFAIL_MSG(wxT("not implemented"));
+
+ return TRUE;
}
-bool wxTreeCtrl::SetItemData( long item, long data )
+bool wxTreeCtrl::ItemHasChildren(const wxTreeItemId& item) const
{
- wxGenericTreeItem *i = FindItem( item );
- if (!i) return FALSE;
- i->m_data = data;
- return TRUE;
+ wxCHECK_MSG( item.IsOk(), FALSE, wxT("invalid tree item") );
+
+ return !item.m_pItem->GetChildren().IsEmpty();
}
-bool wxTreeCtrl::SetItemText( long item, const wxString &text )
+bool wxTreeCtrl::IsExpanded(const wxTreeItemId& item) const
{
- wxGenericTreeItem *i = FindItem( item );
- if (!i) return FALSE;
- wxClientDC dc(this);
- i->SetText( text, &dc );
- return TRUE;
+ wxCHECK_MSG( item.IsOk(), FALSE, wxT("invalid tree item") );
+
+ return item.m_pItem->IsExpanded();
}
-void wxTreeCtrl::SetItemImage(long item, int image, int imageSel) const
+bool wxTreeCtrl::IsSelected(const wxTreeItemId& item) const
{
- wxGenericTreeItem *i = FindItem( item );
- if ( i != 0 )
- {
- i->SetImage(image);
- i->SetSelectedImage(imageSel);
- }
-}
+ wxCHECK_MSG( item.IsOk(), FALSE, wxT("invalid tree item") );
-int wxTreeCtrl::GetItemState( long item, long stateMask ) const
-{
- wxGenericTreeItem *i = FindItem( item );
- if (!i) return 0;
- int ret = 0;
-
- // Currently, an item is always selected _and_ focussed in wxGTK
-
- if (stateMask & wxTREE_STATE_FOCUSED)
- if (m_current == i)
- ret += wxTREE_STATE_FOCUSED;
-
- if (stateMask & wxTREE_STATE_SELECTED)
- if (m_current == i)
- ret += wxTREE_STATE_SELECTED;
-
- if (stateMask & wxTREE_STATE_EXPANDED)
- if (i->IsExpanded())
- ret += wxTREE_STATE_EXPANDED;
-
- return ret;
-}
-
-bool wxTreeCtrl::SetItemState( long item, long state, long stateMask )
-{
- wxGenericTreeItem *i = FindItem( item );
- if (!i) return FALSE;
-
- if (stateMask & wxTREE_STATE_FOCUSED)
- {
- if (state & wxTREE_STATE_FOCUSED)
- SelectItem( i );
- }
-
- if (stateMask & wxTREE_STATE_SELECTED)
- {
- if (state & wxTREE_STATE_SELECTED)
- SelectItem( i );
- }
-
- if (stateMask & wxTREE_STATE_EXPANDED)
- {
- if (state & wxTREE_STATE_EXPANDED)
- ExpandItem( i->m_itemId, wxTREE_EXPAND_EXPAND );
- else
- ExpandItem( i->m_itemId, wxTREE_EXPAND_COLLAPSE );
- }
-
- return TRUE;
+ return item.m_pItem->IsSelected();
}
-long wxTreeCtrl::HitTest( const wxPoint& point, int &flags )
+bool wxTreeCtrl::IsBold(const wxTreeItemId& item) const
{
- flags = 0;
- if (!m_anchor) return -1;
- return m_anchor->HitTest( point, flags );
+ wxCHECK_MSG( item.IsOk(), FALSE, wxT("invalid tree item") );
+
+ return item.m_pItem->IsBold();
}
-wxImageList *wxTreeCtrl::GetImageList( int which ) const
+// -----------------------------------------------------------------------------
+// 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
{
- if (which == wxIMAGE_LIST_NORMAL) return m_imageList;
- return m_smallImageList;
+ wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
+
+ cookie = 0;
+ return GetNextChild(item, cookie);
}
-void wxTreeCtrl::SetImageList( wxImageList *imageList, int which )
+wxTreeItemId wxTreeCtrl::GetNextChild(const wxTreeItemId& item, long& cookie) const
{
- if (which == wxIMAGE_LIST_NORMAL)
+ wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
+
+ wxArrayGenericTreeItems& children = item.m_pItem->GetChildren();
+ if ( (size_t)cookie < children.Count() )
{
- if (m_imageList) delete m_imageList;
- m_imageList = imageList;
+ return children.Item((size_t)cookie++);
}
else
{
- if (m_smallImageList) delete m_smallImageList;
- m_smallImageList = imageList;
+ // there are no more of them
+ return wxTreeItemId();
}
}
-void wxTreeCtrl::AdjustMyScrollbars()
+wxTreeItemId wxTreeCtrl::GetLastChild(const wxTreeItemId& item) const
{
- if (m_anchor)
+ 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 )
{
- 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 );
+ // root item doesn't have any siblings
+ return wxTreeItemId();
}
- else
+
+ 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 )
{
- SetScrollbars( 0, 0, 0, 0 );
+ // 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 );
+ }
+
+ Refresh();
+ AdjustMyScrollbars();
+
+ 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;
+ wxGenericTreeItem *parent = item->GetParent();
+
+ if ( parent )
+ {
+ parent->GetChildren().Remove( item ); // remove by value
+ }
+
+ 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;
+
+ if ( item->IsExpanded() )
+ return;
+
+ wxTreeEvent event( wxEVT_COMMAND_TREE_ITEM_EXPANDING, GetId() );
+ event.m_item = item;
+ event.SetEventObject( this );
+
+// if ( ProcessEvent( event ) && event.m_code ) TODO: Was this a typo ?
+ 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::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 == NULL) 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();
+ FillArray(GetRootItem().m_pItem, array);
+
+ 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;
+
+ // Calculate a m_lineHeight value from the image sizes.
+ // May be toggle off. Then wxTreeCtrl will spread when
+ // necessary (which might look ugly).
+#if 1
+ 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
+#endif
+}
+
+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 )
+ {
+ m_imageListNormal->GetSize( image, image_w, image_h );
+ image_w += 4;
+ }
+
+ 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);
+ dc.DrawText( item->GetText(), image_w + item->GetX(), (wxCoord)item->GetY()
+ + ((total_h > text_h) ? (total_h - text_h)/2 : 0));
+
+ // 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;
+ int horizX = level*m_indent;
- item->m_x = horizX+33;
- item->m_y = y-m_lineHeight/3;
- item->m_height = m_lineHeight;
+ item->SetX( horizX+m_indent+m_spacing );
+ item->SetY( y );
- item->SetCross( horizX+15, y );
+ int oldY = y;
+ y+=GetLineHeight(item)/2;
- int oldY = y;
+ 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 );
- int exposed_x = dc.LogicalToDeviceX( 0 );
- int exposed_y = dc.LogicalToDeviceY( item->m_y-2 );
-
- if (IsExposed( exposed_x, exposed_y, 1000, m_lineHeight+4 ))
- {
- int startX = horizX;
- int endX = horizX + 10;
-
- if (!item->HasChildren()) endX += 20;
-
- dc.DrawLine( startX, y, endX, y );
-
- if (item->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+18, y );
if (item->HasPlus())
- dc.DrawLine( horizX+15, y-2, horizX+15, y+3 );
- }
-
- if (item->HasHilight())
- {
- dc.SetTextForeground( wxSystemSettings::GetSystemColour( wxSYS_COLOUR_HIGHLIGHTTEXT ) );
- dc.SetBrush( *m_hilightBrush );
- long tw, th;
- dc.GetTextExtent( item->m_text, &tw, &th );
- if (m_hasFocus)
{
- dc.SetPen( *wxBLACK_PEN );
- dc.DrawRectangle( item->m_x-2, item->m_y-2, tw+4, th+4 );
+ 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
{
- dc.SetPen( *wxTRANSPARENT_PEN );
- dc.DrawRectangle( item->m_x-2, item->m_y-2, tw+4, th+4 );
+ wxTreeItemAttr *attr = item->GetAttributes();
+ if ( attr && attr->HasTextColour() )
+ colText = attr->GetTextColour();
+ else
+ colText = *wxBLACK;
}
- dc.DrawText( item->m_text, item->m_x, item->m_y );
- dc.SetPen( *wxBLACK_PEN );
- dc.SetTextForeground( *wxBLACK );
- dc.SetBrush( *wxWHITE_BRUSH );
- }
- else
- {
+ // prepare to draw
+ dc.SetTextForeground(colText);
+ dc.SetPen(*pen);
+
+ // draw
+ PaintItem(item, dc);
+
+ // restore DC objects
dc.SetBrush( *wxWHITE_BRUSH );
- dc.SetPen( *wxTRANSPARENT_PEN );
- long tw, th;
- dc.GetTextExtent( item->m_text, &tw, &th );
- dc.DrawRectangle( item->m_x-2, item->m_y-2, tw+4, th+4 );
- dc.DrawText( item->m_text, item->m_x, item->m_y );
- dc.SetPen( *wxBLACK_PEN );
- }
- }
+ dc.SetPen( m_dottedPen );
+ dc.SetTextForeground( *wxBLACK );
+ }
- if (item->NumberOfVisibleChildren() == 0) return;
+ y = oldY+GetLineHeight(item);
- int semiOldY = y;
+ if (item->IsExpanded())
+ {
+ oldY+=GetLineHeight(item)/2;
+ int semiOldY=0;
- wxNode *node = item->m_children.First();
- while (node)
- {
- wxGenericTreeItem *child = (wxGenericTreeItem *)node->Data();
+ 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 );
+ }
- y += m_lineHeight;
- semiOldY = 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 );
+ }
+ }
+}
- PaintLevel( child, dc, level+1, y );
+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 */);
+ }
- node = node->Next();
- }
+ SetCursor(wxCURSOR_BULLSEYE);
+ }
+ else
+ {
+ // can't drop here
+ SetCursor(wxCURSOR_NO_ENTRY);
+ }
+}
- dc.DrawLine( horizX+15, oldY+5, horizX+15, semiOldY );
+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::OnPaint( const wxPaintEvent &WXUNUSED(event) )
+void wxTreeCtrl::DrawLine(const wxTreeItemId &item, bool below)
{
- if (!m_anchor) return;
+ wxCHECK_RET( item.IsOk(), _T("invalid item in wxTreeCtrl::DrawLine") );
- wxPaintDC dc(this);
- PrepareDC( dc );
+ wxGenericTreeItem *i = item.m_pItem;
- dc.SetFont( wxSystemSettings::GetSystemFont( wxSYS_SYSTEM_FONT ) );
+ wxClientDC dc(this);
+ PrepareDC( dc );
+ dc.SetLogicalFunction(wxINVERT);
- dc.SetPen( m_dottedPen );
- m_lineHeight = (int)(dc.GetCharHeight() + 4);
+ int x = i->GetX(),
+ y = i->GetY();
+ if ( below )
+ {
+ y += GetLineHeight(i) - 1;
+ }
- int y = m_lineHeight / 2 + 2;
- PaintLevel( m_anchor, dc, 0, y );
+ dc.DrawLine( x, y, x + i->GetWidth(), y);
}
-void wxTreeCtrl::OnSetFocus( const wxFocusEvent &WXUNUSED(event) )
+// -----------------------------------------------------------------------------
+// wxWindows callbacks
+// -----------------------------------------------------------------------------
+
+void wxTreeCtrl::OnPaint( wxPaintEvent &WXUNUSED(event) )
{
- m_hasFocus = TRUE;
- if (m_current) RefreshLine( m_current );
+ 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::OnKillFocus( const wxFocusEvent &WXUNUSED(event) )
+void wxTreeCtrl::OnSetFocus( wxFocusEvent &WXUNUSED(event) )
{
- m_hasFocus = FALSE;
- if (m_current) RefreshLine( m_current );
+ m_hasFocus = TRUE;
+
+ if (m_current) RefreshLine( m_current );
+}
+
+void wxTreeCtrl::OnKillFocus( wxFocusEvent &WXUNUSED(event) )
+{
+ m_hasFocus = FALSE;
+
+ if (m_current) RefreshLine( m_current );
}
void wxTreeCtrl::OnChar( wxKeyEvent &event )
{
- event.Skip();
+ 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);
+
+ 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_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 == 0)
+ if (!next)
+ {
+ wxTreeItemId current = m_key_current;
+ while (current && !next)
+ {
+ current = GetParent( current );
+ if (current) next = GetNextSibling( current );
+ }
+ }
+// if (next != 0)
+ 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::OnMouse( const wxMouseEvent &event )
+/* **** */
+
+void wxTreeCtrl::Edit( const wxTreeItemId& item )
{
- if (!event.LeftDown() &&
- !event.LeftDClick()) return;
+ if (!item.IsOk()) return;
- wxClientDC dc(this);
- PrepareDC(dc);
- long x = dc.DeviceToLogicalX( (long)event.GetX() );
- long y = dc.DeviceToLogicalY( (long)event.GetY() );
+ m_currentEdit = item.m_pItem;
- int flag = 0;
- long id = HitTest( wxPoint(x,y), flag );
- if (id == -1)
- return;
- wxGenericTreeItem *item = FindItem( id );
+ wxTreeEvent te( wxEVT_COMMAND_TREE_BEGIN_LABEL_EDIT, GetId() );
+ te.m_item = m_currentEdit;
+ te.SetEventObject( this );
+ GetEventHandler()->ProcessEvent( te );
- if (!item) return;
- if ((flag != wxTREE_HITTEST_ONITEMBUTTON) &&
- (flag != wxTREE_HITTEST_ONITEMLABEL)) return;
+ if (!te.IsAllowed()) return;
- SelectItem(item);
+ // 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();
- if (event.LeftDClick())
- m_current->SendKeyDown( this );
+ 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();
- if (flag == wxTREE_HITTEST_ONITEMBUTTON)
- {
- ExpandItem( item->m_itemId, wxTREE_EXPAND_TOGGLE );
- return;
- }
+ int image_h = 0;
+ int image_w = 0;
+
+ int image = m_currentEdit->GetCurrentImage();
+ if ( image != NO_IMAGE )
+ {
+ m_imageListNormal->GetSize( image, image_w, image_h );
+ image_w += 4;
+ }
+ 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::CalculateLevel( wxGenericTreeItem *item, wxDC &dc, int level, int &y )
+void wxTreeCtrl::OnRenameTimer()
{
- int horizX = level*m_indent;
+ Edit( m_current );
+}
- item->m_x = horizX+33;
- item->m_y = y-m_lineHeight/3-2;
- item->m_height = m_lineHeight;
+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 (item->NumberOfVisibleChildren() == 0) return;
+ if (!le.IsAllowed()) return;
- wxNode *node = item->m_children.First();
- while (node)
- {
- wxGenericTreeItem *child = (wxGenericTreeItem *)node->Data();
+ SetItemText( m_currentEdit, m_renameRes );
+}
- y += m_lineHeight;
- CalculateLevel( child, dc, level+1, y );
+void wxTreeCtrl::OnMouse( wxMouseEvent &event )
+{
+ if ( !m_anchor ) return;
- node = node->Next();
- }
+ // 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.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);
+
+ bool onButton = flags & wxTREE_HITTEST_ONITEMBUTTON;
+
+ 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() && (item == m_current) &&
+ (flags & wxTREE_HITTEST_ONITEMLABEL) &&
+ HasFlag(wxTR_EDIT_LABELS) )
+ {
+ m_renameTimer->Start( 100, TRUE );
+ }
+ else
+ {
+ // 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 ( onButton )
+ {
+ Toggle( item );
+ if ( is_multiple )
+ return;
+ }
+
+ SelectItem(item, unselect_others, extended_select);
+
+ if ( event.LeftDClick() )
+ {
+ 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 )
+{
+ int text_w = 0;
+ int 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 )
+ {
+ 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;
+ if ( !m_anchor ) return;
- wxClientDC dc(this);
- PrepareDC( dc );
+ wxClientDC dc(this);
+ PrepareDC( dc );
- dc.SetFont( wxSystemSettings::GetSystemFont( wxSYS_SYSTEM_FONT ) );
+ dc.SetFont( m_normalFont );
- dc.SetPen( m_dottedPen );
- m_lineHeight = (int)(dc.GetCharHeight() + 4);
+ dc.SetPen( m_dottedPen );
+ //if(GetImageList() == NULL)
+ // m_lineHeight = (int)(dc.GetCharHeight() + 4);
- int y = m_lineHeight / 2 + 2;
- CalculateLevel( m_anchor, dc, 0, y );
+ int y = 2;
+ CalculateLevel( m_anchor, dc, 0, y ); // start recursion
}
-wxGenericTreeItem *wxTreeCtrl::FindItem( long itemId ) const
+void wxTreeCtrl::RefreshSubtree(wxGenericTreeItem *item)
{
- if (!m_anchor) return (wxGenericTreeItem *) NULL;
- return m_anchor->FindItem( itemId );
+ 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 (!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()+6;
- Refresh( TRUE, &rect );
-}
+ 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 );
+}
projects / wxWidgets.git / blobdiff