wgt.cc

QNX实时操作系统里的GUI是c格式的

#include <cstring>
#include <stack>

#include <Pt.h>


#include <photonmm/Wgt.h>


// namespace Ap {


        Wgt::Wgt ()
        {

        }

        // static 
	    PtWidget_t* main_widget;
	    
	    

        Wgt* 
        Wgt::create (const char* path_name, const char* wgt_name)
        {

                static int count = 0;

                if (count++ == 0  ) {

                	ApAddClass("PtArc", &PtArc);
                	ApAddClass("PtBarGraph", &PtBarGraph);
                	ApAddClass("PtBasic", &PtBasic);
                	ApAddClass("PtBezier", &PtBezier);
                	ApAddClass("PtBitmap", &PtBitmap);
                	ApAddClass("PtBkgd", &PtBkgd);
                	ApAddClass("PtButton", &PtButton);
                	ApAddClass("PtCalendar", &PtCalendar);
                	ApAddClass("PtClock", &PtClock);
                	ApAddClass("PtColorPalette", &PtColorPalette);
                	ApAddClass("PtColorPanel", &PtColorPanel);
                	ApAddClass("PtColorPatch", &PtColorPatch);
                	ApAddClass("PtColorSel", &PtColorSel);
                	ApAddClass("PtColorSelGroup", &PtColorSelGroup);

                	ApAddClass("PtColorWell", &PtColorWell);
                	ApAddClass("PtComboBox", &PtComboBox);
                	ApAddClass("PtCompound", &PtCompound);
                	ApAddClass("PtContainer", &PtContainer);

	ApAddClass("PtDisjoint", &PtDisjoint);
	ApAddClass("PtEllipse", &PtEllipse);

	ApAddClass("PtFontSel", &PtFontSel);
	ApAddClass("PtGauge", &PtGauge);
	ApAddClass("PtGraphic", &PtGraphic);
	ApAddClass("PtGroup", &PtGroup);
	ApAddClass("PtIcon", &PtIcon);
	ApAddClass("PtImageArea", &PtImageArea);
	ApAddClass("PtLabel", &PtLabel);
	ApAddClass("PtLine", &PtLine);

	ApAddClass("PtList", &PtList);
	ApAddClass("PtMTrend", &PtMTrend);
	ApAddClass("PtMenu", &PtMenu);
	ApAddClass("PtMenuBar", &PtMenuBar);
	ApAddClass("PtMenuButton", &PtMenuButton);
	ApAddClass("PtMenuLabel", &PtMenuLabel);
	ApAddClass("PtMessage", &PtMessage);
	ApAddClass("PtMeter", &PtMeter);
	ApAddClass("PtMultiText", &PtMultiText);
	ApAddClass("PtNumeric", &PtNumeric);
	ApAddClass("PtNumericFloat", &PtNumericFloat);
	ApAddClass("PtNumericInteger", &PtNumericInteger);
	ApAddClass("PtOSContainer", &PtOSContainer);
	ApAddClass("PtOnOffButton", &PtOnOffButton);
                	ApAddClass("PtPane", &PtPane);
                	ApAddClass("PtPanelGroup", &PtPanelGroup);
                	ApAddClass("PtPixel", &PtPixel);
                	ApAddClass("PtPolygon", &PtPolygon);
                	ApAddClass("PtPrintSel", &PtPrintSel);
                	ApAddClass("PtProgress", &PtProgress);
                	ApAddClass("PtRaw", &PtRaw);
                	ApAddClass("PtRect", &PtRect);
                	ApAddClass("PtRegion", &PtRegion);
                	ApAddClass("PtScrollArea", &PtScrollArea);
                	ApAddClass("PtScrollContainer", &PtScrollContainer);

                	ApAddClass("PtScrollbar", &PtScrollbar);
                	ApAddClass("PtSeparator", &PtSeparator);
                	ApAddClass("PtSlider", &PtSlider);

                	ApAddClass("PtText", &PtText);
                	ApAddClass("PtTimer", &PtTimer);
                	ApAddClass ("PtToggleButton", &PtToggleButton);
                	ApAddClass ("PtToolbar", &PtToolbar);
                	ApAddClass ("PtToolbarGroup", &PtToolbarGroup);
                	ApAddClass ("PtTrend", &PtTrend);
                	ApAddClass ("PtUpDown", &PtUpDown);

                	ApAddClass ("PtWidget", &PtWidget);
                	ApAddClass ("PtWindow", &PtWindow);
                	ApAddClass ("PtWindowFrame", &PtWindowFrame);



                        
                }


                using namespace std;


                Wgt* wgt = 0;

                ApDBase_t* dbase = ApOpenDBaseFile (path_name);

                ApDBWidgetInfo_t wi;
                int i;
                
                for (i = 0; ApGetWidgetInfo (dbase, i, &wi); ++i  )

                        if (! strcmp (wgt_name, wi.wgt_name)  ) {
                                PtWidget_t* widget;

                                if (strcmp ("PtWindow", wi.wgt_class)  )
                                        widget = ApCreateDBWidget (dbase, wgt_name, main_widget, NULL, 0, NULL  );
                                else
                                        widget = ApCreateDBWidget (dbase, wgt_name, NULL       , NULL, 0, NULL  ); // PtWindow

                                if (widget  ) {

                                        wgt = new Wgt ();


                                        int level0;
                                        WidgetInfo info;

                                        (AB_WIDGET_INFO) info = wi;

                                        info.widget = widget;
                                        info.name= wgt_name;

                                        wgt->widget_list.push_back (  info  ); // root widget

                                        level0 = wi.level;

                                        std::stack<ApDBWidgetInfo_t> s;
                                        s.push (wi);

                                        for (i  = i +1; ApGetWidgetInfo (dbase, i, &wi); ++i  ) {

                                                if (wi.level <= level0  )
                                                        break;

                                                while (wi.level <= s.top ().level) 
                                                        s.pop ();
                                                
                                                widget = ApCreateDBWidget (dbase, wi.wgt_name, wgt->get_cwidget (s.top ().wgt_name  ) /* parent */ , NULL, 0, NULL);

                                                (AB_WIDGET_INFO) info  = wi;

                                                info.widget = widget;
                                                info.name = wi.wgt_name;

                                                wgt->widget_list.push_back (info);


                                                s.push (wi  );

                                        } // for
                                }

                                else {

                                        cerr<<"Warning: Ap: create: Widget \'" << wgt_name << "\' not found.\n";

                                        // delete wgt;
                                        wgt = 0;
                                }

                                break; // for..
                        }

//                ApCloseDBase (dbase);

                return wgt;
        }

        PtWidget_t*
        Wgt::get_cwidget (const char* wgt_name ) const
        {
                widget_list_type::const_iterator i;
                
                for (i = widget_list.begin (); i != widget_list.end (); i++)
//                        if (!strcmp (i->  wgt_name, wgt_name ) )
                        if (!strcmp (i->  name.c_str (),   wgt_name ) )
                                break;

                if (i != widget_list.end ())
                        return i->widget;

                return NULL;
        }


// }  // mamespace Ap