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/classic/notebmac.cpp
// Purpose:     implementation of wxNotebook
// Author:      Stefan Csomor
// Modified by:
// Created:     1998-01-01
// RCS-ID:      $Id: notebmac.cpp,v 1.13 2006/07/03 19:02:32 ABX Exp $
// Copyright:   (c) Stefan Csomor
// Licence:     wxWindows licence
///////////////////////////////////////////////////////////////////////////////

#include "wx/wxprec.h"

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

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

#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/imaglist.h"
#include "wx/mac/uma.h"
// ----------------------------------------------------------------------------
// macros
// ----------------------------------------------------------------------------

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


// ----------------------------------------------------------------------------
// event table
// ----------------------------------------------------------------------------

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_MOUSE_EVENTS(wxNotebook::OnMouse)

    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)

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

// The Appearance Manager docs show using tab controls in either edge to edge
// mode, or inset.  I think edge to edge conforms better to the other ports,
// and inset mode is better accomplished with space around the wxNotebook rather
// than within it.    --Robin

// CS : had to switch off tight spacing due to 10.3 problems
#define wxMAC_EDGE_TO_EDGE 0

static inline int wxMacTabMargin(long nbStyle, long side)
{
    static int tabMargin = -1;
    static int otherMargin = -1;

    if ( tabMargin == -1)
    {
        if ( UMAHasAquaLayout() )
        {
            tabMargin = 26;    // From Appearance Manager docs for small tab control dimensions
#if wxMAC_EDGE_TO_EDGE
            otherMargin = 0;
#else
//            otherMargin = 20;
            // JACS - this seems fine on 10.3; 20 is way too much
            otherMargin = 8;
#endif
        }
        else
        {
            tabMargin = 30;
#if wxMAC_EDGE_TO_EDGE
            otherMargin = 0;
#else
            otherMargin = 16;
#endif
        }
    }

    // If the style matches the side asked for then return the tab margin,
    // but we have to special case wxBK_TOP since it is zero...
    if ( side == wxBK_TOP)
    {
        if ( nbStyle != 0 && nbStyle & (wxBK_LEFT|wxBK_RIGHT|wxBK_BOTTOM))
        {
            return otherMargin;
        }
        else
        {
            return tabMargin;
        }
    }
    else if ( nbStyle & side)
        return tabMargin;
    else
        return otherMargin;
}

static inline int wxMacTabLeftMargin(long style)
{
    return wxMacTabMargin(style, wxBK_LEFT);
}

static inline int wxMacTabTopMargin(long style)
{
    return wxMacTabMargin(style, wxBK_TOP);
}

static inline int wxMacTabRightMargin(long style)
{
    return wxMacTabMargin(style, wxBK_RIGHT);
}

static inline int wxMacTabBottomMargin(long style)
{
    return wxMacTabMargin(style, wxBK_BOTTOM);
}

// ----------------------------------------------------------------------------
// wxNotebook construction
// ----------------------------------------------------------------------------

// common part of all ctors
void wxNotebook::Init()
{
    if ( UMAHasAquaLayout() )
    {
        // Should these depend on wxMAC_EDGE_TO_EDGE too?
        m_macHorizontalBorder = 7;
        m_macVerticalBorder = 8;
    }

    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);
}

// Create() function
bool wxNotebook::Create(wxWindow *parent,
                        wxWindowID id,
                        const wxPoint& pos,
                        const wxSize& size,
                        long style,
                        const wxString& name)
{
    if ( !wxNotebookBase::Create(parent, id, pos, size, style, name) )
        return false;

    Rect bounds ;
    Str255 title ;

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

    MacPreControlCreate( parent , id ,  wxEmptyString , pos , size ,style, wxDefaultValidator , name , &bounds , title ) ;

    int tabstyle = kControlTabSmallNorthProc ;
    if ( HasFlag(wxBK_LEFT) )
        tabstyle = kControlTabSmallWestProc ;
    else if ( HasFlag( wxBK_RIGHT ) )
        tabstyle = kControlTabSmallEastProc ;
    else if ( HasFlag( wxBK_BOTTOM ) )
        tabstyle = kControlTabSmallSouthProc ;


    m_macControl = (WXWidget) ::NewControl( MAC_WXHWND(parent->MacGetRootWindow()) , &bounds , title , false , 0 , 0 , 1,
        tabstyle , (long) this ) ;

    MacPostControlCreate() ;
    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
{
    wxSize sizeTotal = sizePage;
    sizeTotal.x += 2 * m_macHorizontalBorder + wxMacTabLeftMargin(GetWindowStyle()) +
        wxMacTabRightMargin(GetWindowStyle()) ;
    sizeTotal.y += 2 * m_macVerticalBorder + wxMacTabTopMargin(GetWindowStyle()) +
        wxMacTabBottomMargin(GetWindowStyle()) ;

    return sizeTotal;
}

wxSize wxNotebook::DoGetBestSize() const
{
    // calculate the max page size
    wxSize size(0, 0);

    size_t count = GetPageCount();
    if ( count )
    {
        for ( size_t n = 0; n < count; n++ )
        {
            wxSize sizePage = m_pages[n]->GetSize();

            if ( size.x < sizePage.x )
                size.x = sizePage.x;
            if ( size.y < sizePage.y )
                size.y = sizePage.y;
        }
    }
    else // no pages
    {
        // use some arbitrary default size
        size.x =
        size.y = 100;
    }

    return CalcSizeFromPage(size);
}

int wxNotebook::SetSelection(size_t nPage)
{
    wxCHECK_MSG( IS_VALID_PAGE(nPage), wxNOT_FOUND, wxT("notebook page out of range") );

    if ( int(nPage) != m_nSelection )
    {
        wxNotebookEvent event(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING, m_windowId);
        event.SetSelection(nPage);
        event.SetOldSelection(m_nSelection);
        event.SetEventObject(this);
        if ( !GetEventHandler()->ProcessEvent(event) || event.IsAllowed() )
        {
            // program allows the page change
            event.SetEventType(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED);
            (void)GetEventHandler()->ProcessEvent(event);

            ChangePage(m_nSelection, nPage);
        }
    }

    return m_nSelection;
}

bool wxNotebook::SetPageText(size_t nPage, const wxString& strText)
{
    wxASSERT( IS_VALID_PAGE(nPage) );

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

    return true;
}

wxString wxNotebook::GetPageText(size_t nPage) const
{
    wxASSERT( IS_VALID_PAGE(nPage) );

    wxNotebookPage *page = m_pages[nPage];
    return page->GetLabel();
}

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

    return m_images[nPage];
}

bool wxNotebook::SetPageImage(size_t nPage, int nImage)
{
    wxCHECK_MSG( IS_VALID_PAGE(nPage), false, _T("invalid notebook page") );

    wxCHECK_MSG( m_imageList && nImage < m_imageList->GetImageCount(), false,
        _T("invalid image index in SetPageImage()") );

    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( IS_VALID_PAGE(nPage), NULL );
    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) ;