notebmac.cpp

很牛的GUI源码wxWidgets-2.8.0.zip 可在多种平台下运行.

///////////////////////////////////////////////////////////////////////////////
// Name:        src/mac/carbon/notebmac.cpp
// Purpose:     implementation of wxNotebook
// Author:      Stefan Csomor
// Modified by:
// Created:     1998-01-01
// RCS-ID:      $Id: notebmac.cpp,v 1.79 2006/10/14 16:42:02 SC Exp $
// Copyright:   (c) Stefan Csomor
// Licence:     wxWindows licence
///////////////////////////////////////////////////////////////////////////////

#include "wx/wxprec.h"

#if wxUSE_NOTEBOOK

#include "wx/notebook.h"

#ifndef WX_PRECOMP
    #include "wx/string.h"
    #include "wx/log.h"
    #include "wx/app.h"
    #include "wx/image.h"
#endif

#include "wx/string.h"
#include "wx/imaglist.h"
#include "wx/mac/uma.h"


// check that the page index is valid
#define IS_VALID_PAGE(nPage) ((nPage) < GetPageCount())


DEFINE_EVENT_TYPE(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED)
DEFINE_EVENT_TYPE(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING)

BEGIN_EVENT_TABLE(wxNotebook, wxControl)
    EVT_NOTEBOOK_PAGE_CHANGED(wxID_ANY, wxNotebook::OnSelChange)

    EVT_SIZE(wxNotebook::OnSize)
    EVT_SET_FOCUS(wxNotebook::OnSetFocus)
    EVT_NAVIGATION_KEY(wxNotebook::OnNavigationKey)
END_EVENT_TABLE()

IMPLEMENT_DYNAMIC_CLASS(wxNotebook, wxControl)
IMPLEMENT_DYNAMIC_CLASS(wxNotebookEvent, wxCommandEvent)


// common part of all ctors
void wxNotebook::Init()
{
    m_nSelection = -1;
}

// default for dynamic class
wxNotebook::wxNotebook()
{
    Init();
}

// the same arguments as for wxControl
wxNotebook::wxNotebook( wxWindow *parent,
    wxWindowID id,
    const wxPoint& pos,
    const wxSize& size,
    long style,
    const wxString& name )
{
    Init();

    Create( parent, id, pos, size, style, name );
}

bool wxNotebook::Create( wxWindow *parent,
    wxWindowID id,
    const wxPoint& pos,
    const wxSize& size,
    long style,
    const wxString& name )
{
    m_macIsUserPane = false ;

    if (! (style & wxBK_ALIGN_MASK))
        style |= wxBK_TOP;

    if ( !wxNotebookBase::Create( parent, id, pos, size, style, name ) )
        return false;

    Rect bounds = wxMacGetBoundsForControl( this, pos, size );

    if ( bounds.right <= bounds.left )
        bounds.right = bounds.left + 100;
    if ( bounds.bottom <= bounds.top )
        bounds.bottom = bounds.top + 100;

    UInt16 tabstyle = kControlTabDirectionNorth;
    if ( HasFlag(wxBK_LEFT) )
        tabstyle = kControlTabDirectionWest;
    else if ( HasFlag( wxBK_RIGHT ) )
        tabstyle = kControlTabDirectionEast;
    else if ( HasFlag( wxBK_BOTTOM ) )
        tabstyle = kControlTabDirectionSouth;

    ControlTabSize tabsize;
    switch (GetWindowVariant())
    {
        case wxWINDOW_VARIANT_MINI:
            if ( UMAGetSystemVersion() >= 0x1030 )
                tabsize = 3 ;
            else
                tabsize = kControlSizeSmall;
            break;

        case wxWINDOW_VARIANT_SMALL:
            tabsize = kControlTabSizeSmall;
            break;

        default:
            tabsize = kControlTabSizeLarge;
            break;
    }

    m_peer = new wxMacControl( this );
    OSStatus err = CreateTabsControl(
        MAC_WXHWND(parent->MacGetTopLevelWindowRef()), &bounds,
        tabsize, tabstyle, 0, NULL, m_peer->GetControlRefAddr() );
    verify_noerr( err );

    MacPostControlCreate( pos, size );

    return true ;
}

// dtor
wxNotebook::~wxNotebook()
{
}

// ----------------------------------------------------------------------------
// wxNotebook accessors
// ----------------------------------------------------------------------------

void wxNotebook::SetPadding(const wxSize& padding)
{
    // unsupported by OS
}

void wxNotebook::SetTabSize(const wxSize& sz)
{
    // unsupported by OS
}

void wxNotebook::SetPageSize(const wxSize& size)
{
    SetSize( CalcSizeFromPage( size ) );
}

wxSize wxNotebook::CalcSizeFromPage(const wxSize& sizePage) const
{
    return DoGetSizeFromClientSize( sizePage );
}

int wxNotebook::DoSetSelection(size_t nPage, int flags)
{
    wxCHECK_MSG( IS_VALID_PAGE(nPage), wxNOT_FOUND, wxT("DoSetSelection: invalid notebook page") );

    if ( m_nSelection == wxNOT_FOUND || nPage != (size_t)m_nSelection )
    {
        if ( flags & SetSelection_SendEvent )
        {
            if ( !SendPageChangingEvent(nPage) )
            {
                // vetoed by program
                return m_nSelection;
            }
            //else: program allows the page change

            SendPageChangedEvent(m_nSelection, nPage);
        }

        ChangePage(m_nSelection, nPage);
    }
    //else: no change

    return m_nSelection;
}

bool wxNotebook::SetPageText(size_t nPage, const wxString& strText)
{
    wxCHECK_MSG( IS_VALID_PAGE(nPage), false, wxT("SetPageText: invalid notebook page") );

    wxNotebookPage *page = m_pages[nPage];
    page->SetLabel(strText);
    MacSetupTabs();

    return true;
}

wxString wxNotebook::GetPageText(size_t nPage) const
{
    wxCHECK_MSG( IS_VALID_PAGE(nPage), wxEmptyString, wxT("GetPageText: invalid notebook page") );

    wxNotebookPage *page = m_pages[nPage];

    return page->GetLabel();
}

int wxNotebook::GetPageImage(size_t nPage) const
{
    wxCHECK_MSG( IS_VALID_PAGE(nPage), wxNOT_FOUND, wxT("GetPageImage: invalid notebook page") );

    return m_images[nPage];
}

bool wxNotebook::SetPageImage(size_t nPage, int nImage)
{
    wxCHECK_MSG( IS_VALID_PAGE(nPage), false,
        wxT("SetPageImage: invalid notebook page") );
    wxCHECK_MSG( m_imageList && nImage < m_imageList->GetImageCount(), false,
        wxT("SetPageImage: invalid image index") );

    if ( nImage != m_images[nPage] )
    {
        // if the item didn't have an icon before or, on the contrary, did have
        // it but has lost it now, its size will change - but if the icon just
        // changes, it won't
        m_images[nPage] = nImage;

        MacSetupTabs() ;
    }

    return true;
}

// ----------------------------------------------------------------------------
// wxNotebook operations
// ----------------------------------------------------------------------------

// remove one page from the notebook, without deleting the window
wxNotebookPage* wxNotebook::DoRemovePage(size_t nPage)
{
    wxCHECK_MSG( IS_VALID_PAGE(nPage), NULL,
        wxT("DoRemovePage: invalid notebook page") );

    wxNotebookPage* page = m_pages[nPage] ;
    m_pages.RemoveAt(nPage);

    MacSetupTabs();

    if (m_nSelection >= (int)GetPageCount())
        m_nSelection = GetPageCount() - 1;

    if (m_nSelection >= 0)
        m_pages[m_nSelection]->Show(true);

    InvalidateBestSize();

    return page;
}

// remove all pages
bool wxNotebook::DeleteAllPages()
{
    WX_CLEAR_ARRAY(m_pages) ;
    MacSetupTabs();
    m_nSelection = -1 ;
    InvalidateBestSize();

    return true;
}

// same as AddPage() but does it at given position
bool wxNotebook::InsertPage(size_t nPage,
    wxNotebookPage *pPage,
    const wxString& strText,
    bool bSelect,
    int imageId )
{
    if ( !wxNotebookBase::InsertPage( nPage, pPage, strText, bSelect, imageId ) )
        return false;

    wxASSERT_MSG( pPage->GetParent() == this, wxT("notebook pages must have notebook as parent") );

    // don't show pages by default (we'll need to adjust their size first)
    pPage->Show( false ) ;

    pPage->SetLabel( strText );

    m_images.Insert( imageId, nPage );

    MacSetupTabs();

    wxRect rect = GetPageRect() ;
    pPage->SetSize( rect );
    if ( pPage->GetAutoLayout() )
        pPage->Layout();

    // now deal with the selection
    // ---------------------------

    // if the inserted page is before the selected one, we must update the
    // index of the selected page

    if ( int(nPage) <= m_nSelection )
    {
        m_nSelection++;

        // while this still is the same page showing, we need to update the tabs
        m_peer->SetValue( m_nSelection + 1 ) ;
    }

    // some page should be selected: either this one or the first one if there
    // is still no selection
    int selNew = -1;
    if ( bSelect )