manager.cpp

这是一个GPS相关的程序

    if ( m_arrPages.GetCount() == 1 )
    {
        // Last page: do not remove page entry
        m_pPropGrid->Clear();
        m_selPage = -1;
        m_iFlags &= ~wxPG_MAN_FL_PAGE_INSERTED;
        pd->m_label.clear();
    }
    // Change selection if current is page
    else if ( page == m_selPage )
    {
        if ( !m_pPropGrid->ClearSelection() )
                return false;

        // Substitute page to select
        int substitute = page - 1;
        if ( substitute < 0 )
            substitute = page + 1;

        SelectPage(substitute);
    }

    // Remove toolbar icon
#if wxUSE_TOOLBAR
    if ( m_windowStyle & wxPG_TOOLBAR )
    {
        wxASSERT( m_pToolbar );

        int toolPos = GetExtraStyle() & wxPG_EX_MODE_BUTTONS ? 3 : 0;
        toolPos += page;

        m_pToolbar->DeleteToolByPos(toolPos);

        // Delete separator as well, for consistency
        if ( (GetExtraStyle() & wxPG_EX_MODE_BUTTONS) &&
             GetPageCount() == 1 )
            m_pToolbar->DeleteToolByPos(2);
    }
#endif

    if ( m_arrPages.GetCount() > 1 )
    {
        m_arrPages.RemoveAt(page);
        delete pd;
    }

    // Adjust indexes that were above removed
    if ( m_selPage > page )
        m_selPage--;

    return true;
}

// -----------------------------------------------------------------------

bool wxPropertyGridManager::ProcessEvent( wxEvent& event )
{
    int evtType = event.GetEventType();

#ifdef __WXPYTHON__
    // NB: For some reason, under wxPython, Connect in Init doesn't work properly,
    //     so we'll need to call OnPropertyGridSelect manually. Multiple call's
    //     don't really matter.
    if ( evtType == wxEVT_PG_SELECTED )
        OnPropertyGridSelect((wxPropertyGridEvent&)event);
#endif

    // Property grid events get special attention
    if ( evtType >= wxPG_BASE_EVT_TYPE &&
         evtType < (wxPG_MAX_EVT_TYPE) &&
         m_selPage >= 0 )
    {
        wxPropertyGridPage* page = GetPage(m_selPage);
        wxPropertyGridEvent* pgEvent = wxDynamicCast(&event, wxPropertyGridEvent);

        // Add property grid events to appropriate custom pages
        // but stop propagating to parent if page says it is
        // handling everything.
        if ( pgEvent && !page->m_isDefault )
        {
            if ( pgEvent->IsPending() )
                page->AddPendingEvent(event);
            else
                page->ProcessEvent(event);

            if ( page->IsHandlingAllEvents() )
                event.StopPropagation();
        }
    }

    return wxPanel::ProcessEvent(event);
}

// -----------------------------------------------------------------------

void wxPropertyGridManager::RepaintSplitter( wxDC& dc, int new_splittery, int new_width,
                                             int new_height, bool desc_too )
{
    int use_hei = new_height;
    if ( m_pButCompactor )
        use_hei = m_pButCompactor->GetPosition().y;

    // Draw background
    wxColour bgcol = GetBackgroundColour();
    dc.SetBrush( bgcol );
    dc.SetPen( bgcol );
    int rect_hei = use_hei-new_splittery;
    if ( !desc_too )
        rect_hei = m_splitterHeight;
    dc.DrawRectangle(0,new_splittery,new_width,rect_hei);
    dc.SetPen ( wxSystemSettings::GetColour ( wxSYS_COLOUR_3DDKSHADOW ) );
    int splitter_bottom = new_splittery+m_splitterHeight - 1;
    int box_height = use_hei-splitter_bottom;
    if ( box_height > 1 )
        dc.DrawRectangle(0,splitter_bottom,new_width,box_height);
    else
        dc.DrawLine(0,splitter_bottom,new_width,splitter_bottom);
}

// -----------------------------------------------------------------------

void wxPropertyGridManager::RefreshHelpBox( int new_splittery, int new_width, int new_height )
{
    //if ( new_splittery == m_splitterY && new_width == m_width )
    //    return;

    int use_hei = new_height;
    if ( m_pButCompactor )
        use_hei = m_pButCompactor->GetPosition().y;
    use_hei--;

    //wxRendererNative::Get().DrawSplitterSash(this,dc,
        //wxSize(width,m_splitterHeight),new_splittery,wxHORIZONTAL);

    //wxRendererNative::Get().DrawSplitterBorder(this,dc,
    //    wxRect(0,new_splittery,new_width,m_splitterHeight));

    // Fix help control positions.
    int cap_hei = m_pPropGrid->m_fontHeight;
    int cap_y = new_splittery+m_splitterHeight+5;
    int cnt_y = cap_y+cap_hei+3;
    int sub_cap_hei = cap_y+cap_hei-use_hei;
    int cnt_hei = use_hei-cnt_y;
    if ( sub_cap_hei > 0 )
    {
        cap_hei -= sub_cap_hei;
        cnt_hei = 0;
    }
    if ( cap_hei <= 2 )
    {
        m_pTxtHelpCaption->Show( false );
        m_pTxtHelpContent->Show( false );
    }
    else
    {
        m_pTxtHelpCaption->SetSize(3,cap_y,new_width-6,cap_hei);
        m_pTxtHelpCaption->Show( true );
        if ( cnt_hei <= 2 )
        {
            m_pTxtHelpContent->Show( false );
        }
        else
        {
            m_pTxtHelpContent->SetSize(3,cnt_y,new_width-6,cnt_hei);
            m_pTxtHelpContent->Show( true );
        }
    }

    wxClientDC dc(this);
    RepaintSplitter( dc, new_splittery, new_width, new_height, true );

    m_splitterY = new_splittery;

    m_iFlags &= ~(wxPG_FL_DESC_REFRESH_REQUIRED);
}

// -----------------------------------------------------------------------

void wxPropertyGridManager::RecalculatePositions( int width, int height )
{

    int propgridY = 0;
    int propgridBottomY = height;

    // Toolbar at the top.
#if wxUSE_TOOLBAR
    if ( m_pToolbar )
    {
        int tbHeight;

    #if ( wxMINOR_VERSION < 6 || (wxMINOR_VERSION == 6 && wxRELEASE_NUMBER < 2) )
        tbHeight = -1;
    #else
        // In wxWidgets 2.6.2+, Toolbar default height may be broken
        #if defined(__WXMSW__)
            tbHeight = 24;
        #elif defined(__WXGTK__)
            tbHeight = -1; // 22;
        #elif defined(__WXMAC__)
            tbHeight = 22;
        #else
            tbHeight = 22;
        #endif
    #endif

        m_pToolbar->SetSize(0,0,width,tbHeight);
        propgridY = m_pToolbar->GetSize().y;
    }
#endif

    // Button at the bottom.
    if ( m_pButCompactor )
    {
        int but_hei = m_pButCompactor->GetSize().y;
        m_pButCompactor->SetSize(0,height-but_hei,width,but_hei);
        propgridBottomY -= but_hei;
        //button_top -= but_hei;
    }

    // Help box.
    if ( m_pTxtHelpCaption )
    {
        int new_splittery = m_splitterY;

        // Move m_splitterY
        if ( ( m_splitterY >= 0 || m_nextDescBoxSize ) && m_height > 32 )
        {
            if ( m_nextDescBoxSize >= 0 )
            {
                new_splittery = m_height - m_nextDescBoxSize - m_splitterHeight;
                m_nextDescBoxSize = -1;
            }
            new_splittery += (height-m_height);
        }
        else
        {
            new_splittery = height - wxPGMAN_DEFAULT_NEGATIVE_SPLITTER_Y;
            if ( new_splittery < 32 )
                new_splittery = 32;
        }

        // Check if beyond minimum.
        int nspy_min = propgridY + m_pPropGrid->m_lineHeight;
        if ( new_splittery < nspy_min )
            new_splittery = nspy_min;

        propgridBottomY = new_splittery;

        RefreshHelpBox( new_splittery, width, height );
    }

    if ( m_iFlags & wxPG_FL_INITIALIZED )
    {
        int pgh = propgridBottomY - propgridY;
        m_pPropGrid->SetSize( 0, propgridY, width, pgh );

        m_extraHeight = height - pgh;

        m_width = width;
        m_height = height;
    }
}

// -----------------------------------------------------------------------

void wxPropertyGridManager::SetDescBoxHeight( int ht, bool refresh )
{
    if ( m_windowStyle & wxPG_DESCRIPTION )
    {
        m_nextDescBoxSize = ht;
        if ( refresh )
            RecalculatePositions(m_width, m_height);
    }
}

// -----------------------------------------------------------------------

int wxPropertyGridManager::GetDescBoxHeight() const
{
    return GetClientSize().y - m_splitterY;
}

// -----------------------------------------------------------------------

void wxPropertyGridManager::OnPaint( wxPaintEvent& WXUNUSED(event) )
{
    wxPaintDC dc(this);

    // Update everything inside the box
    wxRect r = GetUpdateRegion().GetBox();

    // Repaint splitter?
    int r_bottom = r.y + r.height;
    int splitter_bottom = m_splitterY + m_splitterHeight;
    if ( r.y < splitter_bottom && r_bottom >= m_splitterY )
        RepaintSplitter( dc, m_splitterY, m_width, m_height, false );
}

// -----------------------------------------------------------------------

void wxPropertyGridManager::Refresh(bool eraseBackground, const wxRect* rect )
{
    m_pPropGrid->Refresh(eraseBackground);
    wxWindow::Refresh(eraseBackground,rect);
}

// -----------------------------------------------------------------------

void wxPropertyGridManager::RefreshProperty( wxPGProperty* p )
{
    wxPropertyGrid* grid = p->GetGrid();

    if ( GetPage(m_selPage)->GetStatePtr() == p->GetParent()->GetParentState() )
        grid->RefreshProperty(p);
}

// -----------------------------------------------------------------------

void wxPropertyGridManager::RecreateControls()
{

    bool was_shown = IsShown();
    if ( was_shown )
        Show ( false );

    wxWindowID baseId = m_pPropGrid->GetId();
    if ( baseId < 0 )
        baseId = wxPG_MAN_ALTERNATE_BASE_ID;

#if wxUSE_TOOLBAR
    if ( m_windowStyle & wxPG_TOOLBAR )
    {
        // Has toolbar.
        if ( !m_pToolbar )
        {
            m_pToolbar = new wxToolBar(this,baseId+ID_ADVTOOLBAR_OFFSET,
                                       wxDefaultPosition,wxDefaultSize,
                                       ((GetExtraStyle()&wxPG_EX_NO_FLAT_TOOLBAR)?0:wxTB_FLAT)
                                        /*| wxTB_HORIZONTAL | wxNO_BORDER*/ );

        #if defined(__WXMSW__)
            // Eliminate toolbar flicker on XP
            // NOTE: Not enabled since it corrupts drawing somewhat.

            /*
            #ifndef WS_EX_COMPOSITED
                #define WS_EX_COMPOSITED        0x02000000L
            #endif

            HWND hWnd = (HWND)m_pToolbar->GetHWND();

            ::SetWindowLong( hWnd, GWL_EXSTYLE,
                             ::GetWindowLong(hWnd, GWL_EXSTYLE) | WS_EX_COMPOSITED );
            */

        #endif

            m_pToolbar->SetCursor ( *wxSTANDARD_CURSOR );

            if ( (GetExtraStyle()&wxPG_EX_MODE_BUTTONS) )
            {
                wxString desc1(_("Categorized Mode"));
                wxString desc2(_("Alphabetic Mode"));
                m_pToolbar->AddTool(baseId+ID_ADVTBITEMSBASE_OFFSET+0,
                    desc1,wxBitmap ( (const char**)gs_xpm_catmode ),
                    desc1,wxITEM_RADIO);
                m_pToolbar->AddTool(baseId+ID_ADVTBITEMSBASE_OFFSET+1,
                    desc2,wxBitmap ( (const char**)gs_xpm_noncatmode ),
                    desc2,wxITEM_RADIO);
                m_pToolbar->Realize();
            }

        }

        if ( (GetExtraStyle()&wxPG_EX_MODE_BUTTONS) )
        {
            // Toggle correct mode button.
            // TODO: This doesn't work in wxMSW (when changing,
            // both items will get toggled).
            int toggle_but_on_ind = ID_ADVTBITEMSBASE_OFFSET+0;
            int toggle_but_off_ind = ID_ADVTBITEMSBASE_OFFSET+1;
            if ( m_pPropGrid->m_pState->IsInNonCatMode() )
            {
                toggle_but_on_ind++;
                toggle_but_off_ind--;
            }

            m_pToolbar->ToggleTool(baseId+toggle_but_on_ind,true);
            m_pToolbar->ToggleTool(baseId+toggle_but_off_ind,false);
        }

    }
    else
    {
        // No toolbar.
        if ( m_pToolbar )
            m_pToolbar->Destroy();
        m_pToolbar = (wxToolBar*) NULL;
    }
#endif

    if ( m_windowStyle & wxPG_COMPACTOR )
    {
        // Has button.
        if ( !m_pButCompactor )
        {
            m_pButCompactor = new wxButton (this,baseId+ID_ADVBUTTON_OFFSET,
                !(m_pPropGrid->m_iFlags & wxPG_FL_HIDE_STATE)?_("<< Compact"):_("Expand >>"));
            m_pButCompactor->SetCursor ( *wxSTANDARD_CURSOR );
        }
    }
    else
    {
        // No button.
        if ( m_pButCompactor )
            m_pButCompactor->Destroy();
        m_pButCompactor = (wxButton*) NULL;
    }

    if ( m_windowStyle & wxPG_DESCRIPTION )
    {
        // Has help box.
        m_pPropGrid->m_iFlags |= (wxPG_FL_NOSTATUSBARHELP);

        if ( !m_pTxtHelpCaption )
        {
            m_pTxtHelpCaption = new wxStaticText (this,baseId+ID_ADVHELPCAPTION_OFFSET,wxT(""));
            m_pTxtHelpCaption->SetFont( m_pPropGrid->m_captionFont );
            m_pTxtHelpCaption->SetCursor ( *wxSTANDARD_CURSOR );
        }
        if ( !m_pTxtHelpContent )
        {
            m_pTxtHelpContent = new wxStaticText (this,baseId+ID_ADVHELPCONTENT_OFFSET,
                wxT(""),wxDefaultPosition,wxDefaultSize,wxALIGN_LEFT|wxST_NO_AUTORESIZE);
            m_pTxtHelpContent->SetCursor ( *wxSTANDARD_CURSOR );
        }
    }
    else
    {
        // No help box.
        m_pPropGrid->m_iFlags &= ~(wxPG_FL_NOSTATUSBARHELP);

        if ( m_pTxtHelpCaption )
            m_pTxtHelpCaption->Destroy();

        m_pTxtHelpCaption = (wxStaticText*) NULL;

        if ( m_pTxtHelpContent )
            m_pTxtHelpContent->Destroy();

        m_pTxtHelpContent = (wxStaticText*) NULL;
    }

    int width, height;

    GetClientSize(&width,&height);

    RecalculatePositions(width,height);

    if ( was_shown )
        Show ( true );
}

// -----------------------------------------------------------------------

wxPGId wxPropertyGridManager::DoGetPropertyByName( wxPGPropNameStr name ) const
{
    //return GetPropertyByName2(name, (wxPropertyGridState**)NULL );
    size_t i;
    for ( i=0; i<GetPageCount(); i++ )
    {
        wxPropertyGridState* pState = ((wxPropertyGridPage*)m_arrPages.Item(i))->GetStatePtr();
        wxPGId id = pState->BaseGetPropertyByName(name);
        if ( wxPGIdIsOk(id) )