/* **LIBS: -lXm -lXt -lX11 */ #include #include #include #include #include #include #include #include Widget appshell = (Widget) NULL; void cb_handle_saveyrself(); void set_saveyrself_cb(app_shell) Widget app_shell; { Atom xa_WM_SAVE_YOURSELF; /* Disable default deleteResponse */ XtVaSetValues(app_shell, XmNdeleteResponse, XmDO_NOTHING, NULL); /* Convert message name to atom */ xa_WM_SAVE_YOURSELF = XmInternAtom( XtDisplay(app_shell), "WM_SAVE_YOURSELF", False); /* Add protocol callback */ XmAddWMProtocolCallback(app_shell, xa_WM_SAVE_YOURSELF, cb_handle_saveyrself, (XtPointer) NULL); } void cb_handle_saveyrself(w, client_data, call_data) Widget w; XtPointer client_data; XtPointer call_data; { char **restart_argv; int restart_argc; /* Save internal state and work out restart command */ printf("Saving myself...\n"); restart_argc = 1; restart_argv=(char **)XtMalloc(restart_argc*sizeof(char *)); restart_argv[0] = "main"; /* Update WM_COMMAND property */ XSetCommand(XtDisplay(w), XtWindow(w), restart_argv, restart_argc); } 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 */ Widget label = (Widget)NULL; XmString xmstring; XtSetArg(al[ac], XmNallowShellResize, TRUE); ac++; XtSetArg(al[ac], XmNargc, app_argc); ac++; XtSetArg(al[ac], XmNargv, app_argv); ac++; XtSetArg(al[ac], XmNtitle, "WM_SAVE_YOURSELF handler"); ac++; appshell = XtAppCreateShell ( app_name, "XApplication", applicationShellWidgetClass, display, al, ac ); ac = 0; xmstring = XmStringCreateLtoR("Close me!", (XmStringCharSet) XmFONTLIST_DEFAULT_TAG); XtSetArg(al[ac], XmNlabelString, xmstring); ac++; label = XmCreateLabel ( appshell, "label", al, ac ); XmStringFree(xmstring); XtManageChild ( label); /* Set up callback for WM_SAVE_YOURSELF */ set_saveyrself_cb(appshell); } 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); { static XtWidgetGeometry Expected[] = { CWWidth | CWHeight , 50, 50, 58, 17, 0,0,0, /* label */ }; PrintDetails(appshell,Expected); }; LessTifTestMainLoop(appshell); exit (0); }