tbarbase.cpp

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/////////////////////////////////////////////////////////////////////////////
// Name:        common/tbarbase.cpp
// Purpose:     wxToolBarBase implementation
// Author:      Julian Smart
// Modified by: VZ at 11.12.99 (wxScrollableToolBar split off)
// Created:     04/01/98
// RCS-ID:      $Id: tbarbase.cpp,v 1.78.2.1 2006/02/16 03:03:43 RD Exp $
// Copyright:   (c) Julian Smart
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

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

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

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

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

#ifdef __BORLANDC__
    #pragma hdrstop
#endif

#if wxUSE_TOOLBAR

#ifndef WX_PRECOMP
    #include "wx/control.h"
#endif

#include "wx/frame.h"

#if wxUSE_IMAGE
    #include "wx/image.h"
    #include "wx/settings.h"
#endif // wxUSE_IMAGE

#include "wx/toolbar.h"

// ----------------------------------------------------------------------------
// wxWidgets macros
// ----------------------------------------------------------------------------

BEGIN_EVENT_TABLE(wxToolBarBase, wxControl)
END_EVENT_TABLE()

#include "wx/listimpl.cpp"

WX_DEFINE_LIST(wxToolBarToolsList);

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

// ----------------------------------------------------------------------------
// wxToolBarToolBase
// ----------------------------------------------------------------------------

IMPLEMENT_DYNAMIC_CLASS(wxToolBarToolBase, wxObject)

bool wxToolBarToolBase::Enable(bool enable)
{
    if ( m_enabled == enable )
        return false;

    m_enabled = enable;

    return true;
}

bool wxToolBarToolBase::Toggle(bool toggle)
{
    wxASSERT_MSG( CanBeToggled(), _T("can't toggle this tool") );

    if ( m_toggled == toggle )
        return false;

    m_toggled = toggle;

    return true;
}

bool wxToolBarToolBase::SetToggle(bool toggle)
{
    wxItemKind kind = toggle ? wxITEM_CHECK : wxITEM_NORMAL;
    if ( m_kind == kind )
        return false;

    m_kind = kind;

    return true;
}

bool wxToolBarToolBase::SetShortHelp(const wxString& help)
{
    if ( m_shortHelpString == help )
        return false;

    m_shortHelpString = help;

    return true;
}

bool wxToolBarToolBase::SetLongHelp(const wxString& help)
{
    if ( m_longHelpString == help )
        return false;

    m_longHelpString = help;

    return true;
}

#if WXWIN_COMPATIBILITY_2_2

const wxBitmap& wxToolBarToolBase::GetBitmap1() const
{
    return GetNormalBitmap();
}

const wxBitmap& wxToolBarToolBase::GetBitmap2() const
{
    return GetDisabledBitmap();
}

void wxToolBarToolBase::SetBitmap1(const wxBitmap& bmp)
{
    SetNormalBitmap(bmp);
}

void wxToolBarToolBase::SetBitmap2(const wxBitmap& bmp)
{
    SetDisabledBitmap(bmp);
}

#endif // WXWIN_COMPATIBILITY_2_2

// ----------------------------------------------------------------------------
// wxToolBarBase adding/deleting items
// ----------------------------------------------------------------------------

wxToolBarBase::wxToolBarBase()
{
    // the list owns the pointers
    m_xMargin = m_yMargin = 0;
    m_maxRows = m_maxCols = 0;
    m_toolPacking = m_toolSeparation = 0;
    m_defaultWidth = 16;
    m_defaultHeight = 15;
}

wxToolBarToolBase *wxToolBarBase::DoAddTool(int id,
                                            const wxString& label,
                                            const wxBitmap& bitmap,
                                            const wxBitmap& bmpDisabled,
                                            wxItemKind kind,
                                            const wxString& shortHelp,
                                            const wxString& longHelp,
                                            wxObject *clientData,
                                            wxCoord WXUNUSED(xPos),
                                            wxCoord WXUNUSED(yPos))
{
    InvalidateBestSize();
    return InsertTool(GetToolsCount(), id, label, bitmap, bmpDisabled,
                      kind, shortHelp, longHelp, clientData);
}

wxToolBarToolBase *wxToolBarBase::InsertTool(size_t pos,
                                             int id,
                                             const wxString& label,
                                             const wxBitmap& bitmap,
                                             const wxBitmap& bmpDisabled,
                                             wxItemKind kind,
                                             const wxString& shortHelp,
                                             const wxString& longHelp,
                                             wxObject *clientData)
{
    wxCHECK_MSG( pos <= GetToolsCount(), (wxToolBarToolBase *)NULL,
                 _T("invalid position in wxToolBar::InsertTool()") );

    wxToolBarToolBase *tool = CreateTool(id, label, bitmap, bmpDisabled, kind,
                                         clientData, shortHelp, longHelp);

    if ( !InsertTool(pos, tool) )
    {
        delete tool;

        return NULL;
    }

    return tool;
}

wxToolBarToolBase *wxToolBarBase::AddTool(wxToolBarToolBase *tool)
{
    return InsertTool(GetToolsCount(), tool);
}

wxToolBarToolBase *
wxToolBarBase::InsertTool(size_t pos, wxToolBarToolBase *tool)
{
    wxCHECK_MSG( pos <= GetToolsCount(), (wxToolBarToolBase *)NULL,
                 _T("invalid position in wxToolBar::InsertTool()") );

    if ( !tool || !DoInsertTool(pos, tool) )
    {
        return NULL;
    }

    m_tools.Insert(pos, tool);

    return tool;
}

wxToolBarToolBase *wxToolBarBase::AddControl(wxControl *control)
{
    return InsertControl(GetToolsCount(), control);
}

wxToolBarToolBase *wxToolBarBase::InsertControl(size_t pos, wxControl *control)
{
    wxCHECK_MSG( control, (wxToolBarToolBase *)NULL,
                 _T("toolbar: can't insert NULL control") );

    wxCHECK_MSG( control->GetParent() == this, (wxToolBarToolBase *)NULL,
                 _T("control must have toolbar as parent") );

    wxCHECK_MSG( pos <= GetToolsCount(), (wxToolBarToolBase *)NULL,
                 _T("invalid position in wxToolBar::InsertControl()") );

    wxToolBarToolBase *tool = CreateTool(control);

    if ( !InsertTool(pos, tool) )
    {
        delete tool;

        return NULL;
    }

    return tool;
}

wxControl *wxToolBarBase::FindControl( int id )
{
    for ( wxToolBarToolsList::compatibility_iterator node = m_tools.GetFirst();
          node;
          node = node->GetNext() )
    {
        const wxToolBarToolBase * const tool = node->GetData();
        if ( tool->IsControl() )
        {
            wxControl * const control = tool->GetControl();

            if ( !control )
            {
                wxFAIL_MSG( _T("NULL control in toolbar?") );
            }
            else if ( control->GetId() == id )
            {
                // found
                return control;
            }
        }
    }

   return NULL;
}

wxToolBarToolBase *wxToolBarBase::AddSeparator()
{
    return InsertSeparator(GetToolsCount());
}

wxToolBarToolBase *wxToolBarBase::InsertSeparator(size_t pos)
{
    wxCHECK_MSG( pos <= GetToolsCount(), (wxToolBarToolBase *)NULL,
                 _T("invalid position in wxToolBar::InsertSeparator()") );

    wxToolBarToolBase *tool = CreateTool(wxID_SEPARATOR,
                                         wxEmptyString,
                                         wxNullBitmap, wxNullBitmap,
                                         wxITEM_SEPARATOR, (wxObject *)NULL,
                                         wxEmptyString, wxEmptyString);

    if ( !tool || !DoInsertTool(pos, tool) )
    {
        delete tool;

        return NULL;
    }

    m_tools.Insert(pos, tool);

    return tool;
}

wxToolBarToolBase *wxToolBarBase::RemoveTool(int id)
{
    size_t pos = 0;
    wxToolBarToolsList::compatibility_iterator node;
    for ( node = m_tools.GetFirst(); node; node = node->GetNext() )
    {
        if ( node->GetData()->GetId() == id )
            break;

        pos++;
    }

    if ( !node )
    {
        // don't give any error messages - sometimes we might call RemoveTool()
        // without knowing whether the tool is or not in the toolbar
        return (wxToolBarToolBase *)NULL;
    }

    wxToolBarToolBase *tool = node->GetData();
    if ( !DoDeleteTool(pos, tool) )
    {
        return (wxToolBarToolBase *)NULL;
    }

    m_tools.Erase(node);

    return tool;
}

bool wxToolBarBase::DeleteToolByPos(size_t pos)
{
    wxCHECK_MSG( pos < GetToolsCount(), false,
                 _T("invalid position in wxToolBar::DeleteToolByPos()") );

    wxToolBarToolsList::compatibility_iterator node = m_tools.Item(pos);

    if ( !DoDeleteTool(pos, node->GetData()) )
    {
        return false;
    }

    delete node->GetData();
    m_tools.Erase(node);

    return true;
}

bool wxToolBarBase::DeleteTool(int id)
{
    size_t pos = 0;
    wxToolBarToolsList::compatibility_iterator node;
    for ( node = m_tools.GetFirst(); node; node = node->GetNext() )
    {
        if ( node->GetData()->GetId() == id )
            break;

        pos++;
    }

    if ( !node || !DoDeleteTool(pos, node->GetData()) )
    {
        return false;
    }

    delete node->GetData();
    m_tools.Erase(node);

    return true;
}

wxToolBarToolBase *wxToolBarBase::FindById(int id) const
{
    wxToolBarToolBase *tool = (wxToolBarToolBase *)NULL;

    for ( wxToolBarToolsList::compatibility_iterator node = m_tools.GetFirst();
          node;
          node = node->GetNext() )
    {
        tool = node->GetData();
        if ( tool->GetId() == id )
        {
            // found