updategui.c

非常好用的gps数据读写接口

	sprintf(posi, "%c  %.5f掳", dn, fabs(rad2deg(pvtD800.posn.lat)));
	gtk_entry_set_text (GTK_ENTRY(widget), posi);

	/* position lon */

	if ( pvtD800.posn.lon >= 0 )
		de='E';
	else
		de='W';

	grad=floor(rad2deg(fabs(pvtD800.posn.lon)));
	minute=(rad2deg(fabs(pvtD800.posn.lon))-grad)*60;

	widget = (GtkWidget *)lookup_widget (GTK_WIDGET (data), "londegentry");
	sprintf(posi, "%c  %03d掳 %02.3f \'", de, abs((int)grad), minute);
	gtk_entry_set_text (GTK_ENTRY(widget), posi);

	widget = (GtkWidget *)lookup_widget (GTK_WIDGET (data), "londecentry");
	sprintf(posi, "%c  %.5f掳", de, fabs(rad2deg(pvtD800.posn.lon)));
	gtk_entry_set_text (GTK_ENTRY(widget), posi);

	/* estimated position error */
	widget = (GtkWidget *)lookup_widget (GTK_WIDGET (data), "epeentry");
	sprintf(posi, "%.1f (m)", pvtD800.epe);
	gtk_entry_set_text (GTK_ENTRY(widget), posi);

	widget = (GtkWidget *)lookup_widget (GTK_WIDGET (data), "epehentry");
	sprintf(posi, "%.1f (m)", pvtD800.eph);
	gtk_entry_set_text (GTK_ENTRY(widget), posi);

	widget = (GtkWidget *)lookup_widget (GTK_WIDGET (data), "epeventry");
	sprintf(posi, "%.1f (m)", pvtD800.epv);
	gtk_entry_set_text (GTK_ENTRY(widget), posi);

	/* height */
	widget = (GtkWidget *)lookup_widget (GTK_WIDGET (data), "heightentry");
	sprintf(posi, "%.1f (m)", pvtD800.alt+pvtD800.msl_hght);
	gtk_entry_set_text (GTK_ENTRY(widget), posi);

	/* fix */
	widget = (GtkWidget *)lookup_widget (GTK_WIDGET (data), "fixentry");
	switch(pvtD800.fix)
	{
		case 1: 
			sprintf(posi, "%s", "Data invalid!"); break;
		case 2: 
			sprintf(posi, "%s", "2D"); break;
		case 3: 
			sprintf(posi, "%s", "3D"); break;
		case 4: 
			sprintf(posi, "%s", "2D diff"); break;
		case 5: 
			sprintf(posi, "%s", "3D diff"); break;
		case 0: 
			default:
			sprintf(posi, "%s", "Data unusable!"); break;
	}
	gtk_entry_set_text (GTK_ENTRY(widget), posi);



	/* speedo */
	
	drawing_area = (GtkWidget *)lookup_widget (GTK_WIDGET (data), "drawingarea1");

	//gtk_widget_set_size_request (drawing_area, 120, 120);

	drawable=drawing_area->window;
	sy=drawing_area->allocation.height;
	sx=drawing_area->allocation.width;

	gdk_draw_rectangle(drawable, drawing_area->style->bg_gc[GTK_WIDGET_STATE (drawing_area)],
			TRUE, 0, 0, sx, sy);

 	cmap=gdk_colormap_get_system();
  
	yellowgc=gdk_gc_new(drawable);
	if( !gdk_color_alloc(cmap,&yellow) )
	{
		fprintf(stderr, "Couldn't allocate color.\n");
	}
	gdk_gc_set_foreground(yellowgc,&yellow);

	redgc=gdk_gc_new(drawable);
	if( !gdk_color_alloc(cmap,&red) )
	{
		fprintf(stderr, "Couldn't allocate color.\n");
	}
	gdk_gc_set_foreground(redgc,&red);
              
	//	gdk_draw_line(drawable, yellowgc, 0,0,sx,sy);
	//	gdk_draw_line(drawable, drawing_area->style->white_gc,0,sy,sx,0);
	//	gdk_draw_line(drawable, redgc,sx/2,sy/2,sx-50,sy/2);
                      
	gdk_draw_arc (drawable,
							drawing_area->style->white_gc,
             TRUE,  (gint)(sx/2)-50, (gint)(sy/2)-50,	100, 100,	0*64, 360*64);

	gdk_draw_arc (drawable,
							drawing_area->style->black_gc,
             FALSE,  (gint)(sx/2)-50, (gint)(sy/2)-50,	100, 100,	0*64, 360*64);

	d=(((0.0/200)*240)-30)/180*pi;
	gdk_draw_line(drawable, drawing_area->style->black_gc, (sx/2)-40*cos(d), (sy/2)-40*sin(d), (sx/2)-50*cos(d)+1, (sy/2)-50*sin(d));
	d=(((20.0/200)*240)-30)/180*pi;
	gdk_draw_line(drawable, drawing_area->style->black_gc, (sx/2)-45*cos(d), (sy/2)-45*sin(d), (sx/2)-50*cos(d)+1, (sy/2)-50*sin(d));
	d=(((40.0/200)*240)-30)/180*pi;
	gdk_draw_line(drawable, drawing_area->style->black_gc, (sx/2)-45*cos(d), (sy/2)-45*sin(d), (sx/2)-50*cos(d)+1, (sy/2)-50*sin(d));
	d=(((60.0/200)*240)-30)/180*pi;
	gdk_draw_line(drawable, drawing_area->style->black_gc, (sx/2)-45*cos(d), (sy/2)-45*sin(d), (sx/2)-50*cos(d)+1, (sy/2)-50*sin(d));
	d=(((80.0/200)*240)-30)/180*pi;
	gdk_draw_line(drawable, drawing_area->style->black_gc, (sx/2)-44*cos(d), (sy/2)-44*sin(d), (sx/2)-50*cos(d)+1, (sy/2)-50*sin(d));
	gdk_draw_line(drawable, drawing_area->style->black_gc, sx/2,sy/2-40,sx/2,sy/2-50);
	d=(((120.0/200)*240)-30)/180*pi;
	gdk_draw_line(drawable, drawing_area->style->black_gc, (sx/2)-45*cos(d), (sy/2)-45*sin(d), (sx/2)-50*cos(d), (sy/2)-50*sin(d));
	d=(((140.0/200)*240)-30)/180*pi;
	gdk_draw_line(drawable, drawing_area->style->black_gc, (sx/2)-45*cos(d), (sy/2)-45*sin(d), (sx/2)-50*cos(d), (sy/2)-50*sin(d));
	d=(((160.0/200)*240)-30)/180*pi;
	gdk_draw_line(drawable, drawing_area->style->black_gc, (sx/2)-45*cos(d), (sy/2)-45*sin(d), (sx/2)-50*cos(d), (sy/2)-50*sin(d));
	d=(((180.0/200)*240)-30)/180*pi;
	gdk_draw_line(drawable, drawing_area->style->black_gc, (sx/2)-45*cos(d), (sy/2)-45*sin(d), (sx/2)-50*cos(d), (sy/2)-50*sin(d));
	d=(((200.0/200)*240)-30)/180*pi;
	gdk_draw_line(drawable, drawing_area->style->black_gc, (sx/2)-40*cos(d), (sy/2)-40*sin(d), (sx/2)-50*cos(d), (sy/2)-50*sin(d));

	font=gdk_font_load("-*-helvetica-bold-r-normal--*-80-*-*-*-*-iso8859-1");

	gdk_draw_text(drawable, font, drawing_area->style->black_gc, sx/2-7,
                                   sy/2-52, "100", 3);  
	gdk_draw_text(drawable, font, drawing_area->style->black_gc, sx/2-49,
                                   sy/2+29, "0", 1);  
	gdk_draw_text(drawable, font, drawing_area->style->black_gc, sx/2+47,
                                   sy/2+29, "200", 3);  


	// pointer
	gdk_draw_arc (drawable,
							redgc,
             FALSE,  (gint)(sx/2)-3, (gint)(sy/2)-3,	6, 6,	0*64, 360*64);

	d=(((speed*3.6/200)*240)-30)/180*pi;
	gdk_draw_line(drawable, redgc, sx/2, sy/2, (sx/2)-50*cos(d), (sy/2)-50*sin(d));


	/* direction */

	drawing_area = (GtkWidget *)lookup_widget (GTK_WIDGET (data), "drawingarea2");
	//gtk_widget_set_size_request (drawing_area, 120, 120);

  drawable=drawing_area->window;
	sy=drawing_area->allocation.height;
  sx=drawing_area->allocation.width;

	gdk_draw_rectangle(drawable, drawing_area->style->bg_gc[GTK_WIDGET_STATE (drawing_area)],
			TRUE, 0, 0, sx, sy);

	cmap=gdk_colormap_get_system();
  
	yellowgc=gdk_gc_new(drawable);
	if( !gdk_color_alloc(cmap,&yellow) )
	{
		fprintf(stderr, "Couldn't allocate color.\n");
	}
	gdk_gc_set_foreground(yellowgc,&yellow);

	redgc=gdk_gc_new(drawable);
	if( !gdk_color_alloc(cmap,&red) )
	{
		fprintf(stderr, "Couldn't allocate color.\n");
	}
	gdk_gc_set_foreground(redgc,&red);
              
	gdk_draw_arc (drawable,
							drawing_area->style->white_gc,
             TRUE,  (gint)(sx/2)-50, (gint)(sy/2)-50,	100, 100,	0*64, 360*64);

  gdk_draw_arc(drawable,
							drawing_area->style->black_gc,
             FALSE,  (gint)(sx/2)-50, (gint)(sy/2)-50,	100, 100,	0*64, 360*64);

	gdk_draw_line(drawable, drawing_area->style->black_gc, sx/2,sy/2+40,sx/2,sy/2+50);
	gdk_draw_line(drawable, drawing_area->style->black_gc, sx/2,sy/2-40,sx/2,sy/2-50);
	gdk_draw_line(drawable, drawing_area->style->black_gc, sx/2+40,sy/2,sx/2+50,sy/2);
	gdk_draw_line(drawable, drawing_area->style->black_gc, sx/2-40,sy/2,sx/2-50,sy/2);

	d=pi/4;
	gdk_draw_line(drawable, drawing_area->style->black_gc, (sx/2)+45*sin(d), (sy/2)-45*cos(d), (sx/2)+50*sin(d), (sy/2)-50*cos(d));
	d=3*pi/4;
	gdk_draw_line(drawable, drawing_area->style->black_gc, (sx/2)+46*sin(d), (sy/2)-46*cos(d), (sx/2)+50*sin(d), (sy/2)-50*cos(d));
	d=5*pi/4;
	gdk_draw_line(drawable, drawing_area->style->black_gc, (sx/2)+45*sin(d), (sy/2)-45*cos(d), (sx/2)+50*sin(d), (sy/2)-50*cos(d));
	d=7*pi/4;
	gdk_draw_line(drawable, drawing_area->style->black_gc, (sx/2)+45*sin(d), (sy/2)-45*cos(d), (sx/2)+49*sin(d), (sy/2)-49*cos(d));

	gdk_draw_arc (drawable,
							redgc,
             FALSE,  (gint)(sx/2)-3, (gint)(sy/2)-3,	6, 6,	0*64, 360*64);

	d=directionrad(pvtD800.north, pvtD800.east);
	gdk_draw_line(drawable, redgc, sx/2, sy/2, (sx/2)+50*sin(d), (sy/2)-50*cos(d));

	font=gdk_font_load("-*-helvetica-bold-r-normal--*-80-*-*-*-*-iso8859-1");

	gdk_draw_text(drawable, font, drawing_area->style->black_gc, sx/2-3,
                                   sy/2-52, "N", 1);  

	gdk_draw_text(drawable, font, drawing_area->style->black_gc, sx/2-2,
                                   sy/2+59, "S", 1);  
  
  gdk_draw_text(drawable, font, drawing_area->style->black_gc, sx/2+53,
                                   sy/2+4, "E", 1);  

	gdk_draw_text(drawable, font, drawing_area->style->black_gc, sx/2-60,
                                   sy/2+3, "W", 1);  


	return 1;
}


/*	update time in gui	*/
void updateGuiTime(gpointer *frame)
{
	GtkWidget *widget;
	char posi[255];
	extern D600_Date_Time_Type utctime;
	  
	widget = (GtkWidget *)lookup_widget (GTK_WIDGET (frame), "timeentry");
  sprintf(posi, "%02d.%02d.%d - %02d:%02d:%02d h (UTC)", utctime.day, utctime.month,
            utctime.year, utctime.hour, utctime.minute, utctime.second);
            
	gtk_entry_set_text (GTK_ENTRY(widget), posi);

}


/*  update device info in gui */
void updateGuiDeviceinfo(gpointer *data)
{
	GtkWidget *widget;
	GtkTreeIter   iter1;
	GtkTreeStore *treestore;
	GtkCellRenderer *renderer, *renderer2;
	GtkTreeViewColumn *column, *column2;
	GtkTreeIter   iter, iter2;
	extern int tty;
	char buff[255];
	extern DeviceInfo garmingps;

	garmingps=getVersion(tty);

	widget = lookup_widget (GTK_WIDGET (data), "treeview2");

	/* create treeview */
	column = gtk_tree_view_column_new();
	gtk_tree_view_column_set_title(column, "Protocol");
	gtk_tree_view_append_column(GTK_TREE_VIEW(widget), column);

	column2 = gtk_tree_view_column_new();
	gtk_tree_view_column_set_title(column2, "Value");
	gtk_tree_view_append_column(GTK_TREE_VIEW(widget), column2);

    
	renderer = gtk_cell_renderer_text_new();
	gtk_tree_view_column_pack_start(column, renderer, TRUE);
	renderer2 = gtk_cell_renderer_text_new();
	gtk_tree_view_column_pack_start(column2, renderer2, TRUE);
          
 	g_object_set(renderer, "foreground-set", FALSE, NULL);
	 g_object_set(renderer2, "foreground-set", FALSE, NULL);
	//g_object_set(renderer, "foreground", "Red", "foreground-set", TRUE, NULL);                
	//g_object_set(renderer, "text", "dkjfh", NULL); 

	gtk_tree_view_column_add_attribute(column, renderer, "text", 0);
	gtk_tree_view_column_add_attribute(column2, renderer2, "text", 1);

	/* tree store */
	treestore=gtk_tree_store_new(2, G_TYPE_STRING, G_TYPE_STRING);

	gtk_tree_view_set_model(GTK_TREE_VIEW(widget), GTK_TREE_MODEL(treestore));


	/* device */
	gtk_tree_store_append(treestore, &iter, NULL);
	gtk_tree_store_set(treestore, &iter,
                       0, "Device ",