treectrl.cpp

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/////////////////////////////////////////////////////////////////////////////
// Name:        src/palmos/treectrl.cpp
// Purpose:     wxTreeCtrl
// Author:      William Osborne - minimal working wxPalmOS port
// Modified by:
// Created:     10/13/04
// RCS-ID:      $Id: treectrl.cpp,v 1.5 2005/01/21 21:04:05 ABX Exp $
// Copyright:   (c) William Osborne
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

// ============================================================================
// declarations
// ============================================================================

// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------

#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
    #pragma implementation "treectrl.h"
#endif

// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"

#ifdef __BORLANDC__
    #pragma hdrstop
#endif

#if wxUSE_TREECTRL

#include "wx/palmos/private.h"

#include "wx/app.h"
#include "wx/log.h"
#include "wx/dynarray.h"
#include "wx/imaglist.h"
#include "wx/settings.h"

// macros to hide the cast ugliness
// --------------------------------

// ptr is the real item id, i.e. wxTreeItemId::m_pItem
#define HITEM_PTR(ptr)     (HTREEITEM)(ptr)

// item here is a wxTreeItemId
#define HITEM(item)     HITEM_PTR((item).m_pItem)

// the native control doesn't support multiple selections under MSW and we
// have 2 ways to emulate them: either using TVS_CHECKBOXES style and let
// checkboxes be the selection status (checked == selected) or by really
// emulating everything, i.e. intercepting mouse and key events &c. The first
// approach is much easier but doesn't work with comctl32.dll < 4.71 and also
// looks quite ugly.
#define wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE 0

// ----------------------------------------------------------------------------
// private functions
// ----------------------------------------------------------------------------

// ----------------------------------------------------------------------------
// private classes
// ----------------------------------------------------------------------------

// ----------------------------------------------------------------------------
// wxWin macros
// ----------------------------------------------------------------------------

#if wxUSE_EXTENDED_RTTI
WX_DEFINE_FLAGS( wxTreeCtrlStyle )

wxBEGIN_FLAGS( wxTreeCtrlStyle )
    // new style border flags, we put them first to
    // use them for streaming out
    wxFLAGS_MEMBER(wxBORDER_SIMPLE)
    wxFLAGS_MEMBER(wxBORDER_SUNKEN)
    wxFLAGS_MEMBER(wxBORDER_DOUBLE)
    wxFLAGS_MEMBER(wxBORDER_RAISED)
    wxFLAGS_MEMBER(wxBORDER_STATIC)
    wxFLAGS_MEMBER(wxBORDER_NONE)

    // old style border flags
    wxFLAGS_MEMBER(wxSIMPLE_BORDER)
    wxFLAGS_MEMBER(wxSUNKEN_BORDER)
    wxFLAGS_MEMBER(wxDOUBLE_BORDER)
    wxFLAGS_MEMBER(wxRAISED_BORDER)
    wxFLAGS_MEMBER(wxSTATIC_BORDER)
    wxFLAGS_MEMBER(wxBORDER)

    // standard window styles
    wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
    wxFLAGS_MEMBER(wxCLIP_CHILDREN)
    wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW)
    wxFLAGS_MEMBER(wxWANTS_CHARS)
    wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE)
    wxFLAGS_MEMBER(wxALWAYS_SHOW_SB )
    wxFLAGS_MEMBER(wxVSCROLL)
    wxFLAGS_MEMBER(wxHSCROLL)

    wxFLAGS_MEMBER(wxTR_EDIT_LABELS)
    wxFLAGS_MEMBER(wxTR_NO_BUTTONS)
    wxFLAGS_MEMBER(wxTR_HAS_BUTTONS)
    wxFLAGS_MEMBER(wxTR_TWIST_BUTTONS)
    wxFLAGS_MEMBER(wxTR_NO_LINES)
    wxFLAGS_MEMBER(wxTR_FULL_ROW_HIGHLIGHT)
    wxFLAGS_MEMBER(wxTR_LINES_AT_ROOT)
    wxFLAGS_MEMBER(wxTR_HIDE_ROOT)
    wxFLAGS_MEMBER(wxTR_ROW_LINES)
    wxFLAGS_MEMBER(wxTR_HAS_VARIABLE_ROW_HEIGHT)
    wxFLAGS_MEMBER(wxTR_SINGLE)
    wxFLAGS_MEMBER(wxTR_MULTIPLE)
    wxFLAGS_MEMBER(wxTR_EXTENDED)
    wxFLAGS_MEMBER(wxTR_DEFAULT_STYLE)

wxEND_FLAGS( wxTreeCtrlStyle )

IMPLEMENT_DYNAMIC_CLASS_XTI(wxTreeCtrl, wxControl,"wx/treectrl.h")

wxBEGIN_PROPERTIES_TABLE(wxTreeCtrl)
    wxEVENT_PROPERTY( TextUpdated , wxEVT_COMMAND_TEXT_UPDATED , wxCommandEvent )
    wxEVENT_RANGE_PROPERTY( TreeEvent , wxEVT_COMMAND_TREE_BEGIN_DRAG , wxEVT_COMMAND_TREE_STATE_IMAGE_CLICK , wxTreeEvent )
    wxPROPERTY_FLAGS( WindowStyle , wxTreeCtrlStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
wxEND_PROPERTIES_TABLE()

wxBEGIN_HANDLERS_TABLE(wxTreeCtrl)
wxEND_HANDLERS_TABLE()

wxCONSTRUCTOR_5( wxTreeCtrl , wxWindow* , Parent , wxWindowID , Id , wxPoint , Position , wxSize , Size , long , WindowStyle )
#else
IMPLEMENT_DYNAMIC_CLASS(wxTreeCtrl, wxControl)
#endif

// ----------------------------------------------------------------------------
// constants
// ----------------------------------------------------------------------------

// indices in gs_expandEvents table below
enum
{
    IDX_COLLAPSE,
    IDX_EXPAND,
    IDX_WHAT_MAX
};

enum
{
    IDX_DONE,
    IDX_DOING,
    IDX_HOW_MAX
};

// handy table for sending events - it has to be initialized during run-time
// now so can't be const any more
static /* const */ wxEventType gs_expandEvents[IDX_WHAT_MAX][IDX_HOW_MAX];

/*
   but logically it's a const table with the following entries:
=
{
    { wxEVT_COMMAND_TREE_ITEM_COLLAPSED, wxEVT_COMMAND_TREE_ITEM_COLLAPSING },
    { wxEVT_COMMAND_TREE_ITEM_EXPANDED,  wxEVT_COMMAND_TREE_ITEM_EXPANDING  }
};
*/

// ============================================================================
// implementation
// ============================================================================

// ----------------------------------------------------------------------------
// construction and destruction
// ----------------------------------------------------------------------------

void wxTreeCtrl::Init()
{
}

bool wxTreeCtrl::Create(wxWindow *parent,
                        wxWindowID id,
                        const wxPoint& pos,
                        const wxSize& size,
                        long style,
                        const wxValidator& validator,
                        const wxString& name)
{
    return false;
}

wxTreeCtrl::~wxTreeCtrl()
{
}

// ----------------------------------------------------------------------------
// accessors
// ----------------------------------------------------------------------------

/* static */ wxVisualAttributes
wxTreeCtrl::GetClassDefaultAttributes(wxWindowVariant variant)
{
    wxVisualAttributes attrs;

    return attrs;
}


// simple wrappers which add error checking in debug mode

bool wxTreeCtrl::DoGetItem(wxTreeViewItem* tvItem) const
{
    return false;
}

void wxTreeCtrl::DoSetItem(wxTreeViewItem* tvItem)
{
}

size_t wxTreeCtrl::GetCount() const
{
    return 0;
}

unsigned int wxTreeCtrl::GetIndent() const
{
    return 0;
}

void wxTreeCtrl::SetIndent(unsigned int indent)
{
}

wxImageList *wxTreeCtrl::GetImageList() const
{
    return m_imageListNormal;
}

wxImageList *wxTreeCtrl::GetStateImageList() const
{
    return m_imageListState;
}

void wxTreeCtrl::SetAnyImageList(wxImageList *imageList, int which)
{
}

void wxTreeCtrl::SetImageList(wxImageList *imageList)
{
}

void wxTreeCtrl::SetStateImageList(wxImageList *imageList)
{
}

void wxTreeCtrl::AssignImageList(wxImageList *imageList)
{
}

void wxTreeCtrl::AssignStateImageList(wxImageList *imageList)
{
}

size_t wxTreeCtrl::GetChildrenCount(const wxTreeItemId& item,
                                    bool recursively) const
{
    return 0;
}

// ----------------------------------------------------------------------------
// control colours
// ----------------------------------------------------------------------------

bool wxTreeCtrl::SetBackgroundColour(const wxColour &colour)
{
    return false;
}

bool wxTreeCtrl::SetForegroundColour(const wxColour &colour)
{
    return false;
}

// ----------------------------------------------------------------------------
// Item access
// ----------------------------------------------------------------------------

wxString wxTreeCtrl::GetItemText(const wxTreeItemId& item) const
{
    return wxString;
}

void wxTreeCtrl::SetItemText(const wxTreeItemId& item, const wxString& text)
{
}

int wxTreeCtrl::DoGetItemImageFromData(const wxTreeItemId& item,
                                       wxTreeItemIcon which) const
{
    return -1;
}

void wxTreeCtrl::DoSetItemImageFromData(const wxTreeItemId& item,
                                        int image,
                                        wxTreeItemIcon which) const
{
}

void wxTreeCtrl::DoSetItemImages(const wxTreeItemId& item,
                                 int image,
                                 int imageSel)
{
}

int wxTreeCtrl::GetItemImage(const wxTreeItemId& item,
                             wxTreeItemIcon which) const
{
    return -1;
}

void wxTreeCtrl::SetItemImage(const wxTreeItemId& item, int image,
                              wxTreeItemIcon which)
{
}

wxTreeItemData *wxTreeCtrl::GetItemData(const wxTreeItemId& item) const
{
    return NULL;
}

void wxTreeCtrl::SetItemData(const wxTreeItemId& item, wxTreeItemData *data)
{
}

void wxTreeCtrl::SetIndirectItemData(const wxTreeItemId& item,
                                     wxTreeItemIndirectData *data)
{
}

bool wxTreeCtrl::HasIndirectData(const wxTreeItemId& item) const
{
    return false;
}

void wxTreeCtrl::SetItemHasChildren(const wxTreeItemId& item, bool has)
{
}

void wxTreeCtrl::SetItemBold(const wxTreeItemId& item, bool bold)
{
}

void wxTreeCtrl::SetItemDropHighlight(const wxTreeItemId& item, bool highlight)
{
}

void wxTreeCtrl::RefreshItem(const wxTreeItemId& item)
{
}

wxColour wxTreeCtrl::GetItemTextColour(const wxTreeItemId& item) const
{
    return wxNullColour;
}

wxColour wxTreeCtrl::GetItemBackgroundColour(const wxTreeItemId& item) const
{
    return wxNullColour;