test5.c

安装DDD之前

/*
** Generated by X-Designer 
*/
/*
**LIBS: -lXm -lXt -lX11
*/

#include <X11/Xatom.h>
#include <X11/Intrinsic.h>
#include <X11/Shell.h>

#include <Xm/Xm.h>
#include <Xm/DialogS.h>
#include <Xm/DrawnB.h>
#include <stdio.h>

extern void button_resize ();
extern void button_expose ();
extern Boolean aardvarkConverter ();
extern Boolean objStringConverter ();
Widget appshell = (Widget) NULL;
Widget drawnbutton = (Widget) NULL;
void create_gc();


GC gc=0;

#define LINE_WIDTH 10

void 
button_expose(w, client_data, call_data)
	Widget          w;
	XtPointer       client_data;
	XtPointer       call_data;
{
	Dimension       width, height, shadow, highlight;
	int             origin;
	unsigned int    arc_width, arc_height;
	/* Call a routine to create a Graphics Context */
	create_gc(w);
	/* First get the various dimensions */
	XtVaGetValues(w,
		      XmNwidth, &width,
		      XmNheight, &height,
		      XmNshadowThickness, &shadow,
		      XmNhighlightThickness, &highlight, NULL);
	origin = shadow + highlight + 1 + (LINE_WIDTH / 2);
	/* Don't draw 0 or negatively sized circles. */
	if (width < origin * 2
	    || height < origin * 2)
		return;
	/* Calculate arc sizes */
	arc_width = width - origin * 2;
	arc_height = height - origin * 2;
	/* Draw the Arc */
	XDrawArc(XtDisplay(w), XtWindow(w), gc, origin, origin, arc_width,
		 arc_height, 0, 360 * 64);
}

void 
button_resize(w, client_data, call_data)
	Widget          w;
	XtPointer       client_data;
	XtPointer       call_data;
{
	XClearArea(XtDisplay(w), XtWindow(w), 0, 0, 0, 0, True);
}

void
create_gc(w)
	Widget          w;
{
	XGCValues       values;
	XColor          screen_def, exact_def;
	Display        *display = XtDisplay(w);
	Colormap        cmap = XDefaultColormapOfScreen(XtScreen(w));
	int             mask = 0;

	if (gc != 0)
		return;
	/* Allocate read-only colour cell for colour `red' */
	if (XAllocNamedColor(display, cmap, "red", &screen_def, &exact_def)
	    != 0) {
		/*
		 * Put the pixel value for red into the GC, ready for drawing
		 * operations
		 */
		values.foreground = screen_def.pixel;
		mask = GCForeground;
	}
	values.line_width=LINE_WIDTH;
	mask|=GCLineWidth;
	gc = XCreateGC(display, XtWindow(w), mask, &values);
}

void create_appshell (display, app_name, app_argc, app_argv)
Display *display;
char *app_name;
int app_argc;
char **app_argv;
{
	Arg al[64];                    /* Arg List */
	register int ac = 0;           /* Arg Count */

	XtSetArg(al[ac], XmNallowShellResize, TRUE); ac++;
	XtSetArg(al[ac], XmNtitle, "Drawn Button"); ac++;
	XtSetArg(al[ac], XmNargc, app_argc); ac++;
	XtSetArg(al[ac], XmNargv, app_argv); ac++;
	appshell = XtAppCreateShell ( app_name, "XApplication", applicationShellWidgetClass, display, al, ac );
	ac = 0;
	XtSetArg(al[ac], XmNwidth, 200); ac++;
	XtSetArg(al[ac], XmNheight, 200); ac++;
	drawnbutton = XmCreateDrawnButton ( appshell, "drawnbutton", al, ac );
	ac = 0;
	XtAddCallback (drawnbutton, XmNresizeCallback, button_resize,NULL);
	XtAddCallback (drawnbutton, XmNexposeCallback, button_expose,NULL);
	XtManageChild ( drawnbutton);
}



XtAppContext app_context;
Display *display;       /*  Display             */

int main (argc,argv)
int    argc;
char            **argv;
{
	XtSetLanguageProc ( (XtAppContext) NULL, (XtLanguageProc) NULL, (XtPointer) NULL );
	XtToolkitInitialize ();
	app_context = XtCreateApplicationContext ();
	display = XtOpenDisplay (app_context, NULL, argv[0], "XApplication",
	                         NULL, 0, &argc, argv);
	if (!display)
	{
	    printf("%s: can't open display, exiting...\n", argv[0]);
	    exit (-1);
	}
	create_appshell ( display, argv[0], argc, argv );
	XtRealizeWidget (appshell);


/* Note: the following values are the result of
 * querying the current geometry.
 */
{
static XtWidgetGeometry Expected[] = {
   CWWidth | CWHeight            ,    0,    0,  200,  200, 0,0,0, /* Button1 */
};
/* toplevel should be replaced with to correct applicationShell */
PrintDetails(appshell, Expected);
}
LessTifTestMainLoop(appshell);
	exit (0);
}