static void PrintNotifyHandler( Widget w, XtPointer client_data, XEvent *event, Boolean *continue_to_dispatch) { XPPrintEvent * xpev = (XPPrintEvent *) event ; XmPrintShellWidget print_shell = (XmPrintShellWidget) w ; XmPrintShellCallbackStruct pr_cbs ; /* don't interfere with the app if it hasn't set any callback. (since we set the handler all the time) It is probably using it's own handler doing start page, etc */ if (!print_shell->print.start_job_callback && !print_shell->print.page_setup_callback && !print_shell->print.end_job_callback) return ; pr_cbs.event = event; pr_cbs.context = xpev->context ; switch (xpev->detail) { case XPStartJobNotify : print_shell->print.last_page = False ; pr_cbs.reason = XmCR_START_JOB ; pr_cbs.last_page = False ; XtCallCallbackList (w, print_shell->print.start_job_callback, &pr_cbs); /* fall thru : call both callbacks if present */ case XPEndPageNotify : /* if last end page, no need to call pagesetup again */ if (!print_shell->print.last_page) { pr_cbs.reason = XmCR_PAGE_SETUP; pr_cbs.last_page = False ; XtCallCallbackList (w, print_shell->print.page_setup_callback, &pr_cbs); /* on return from pageSetup, save whether or not that was the last page set up by the app */ print_shell->print.last_page = pr_cbs.last_page; /* only start a page if a callback is there */ if (print_shell->print.page_setup_callback) { XpStartPage(XtDisplay(w), XtWindow(w)); } } break ; case XPStartPageNotify : if (print_shell->print.page_setup_callback) { XpEndPage(XtDisplay(w)); if (print_shell->print.last_page) XpEndJob(XtDisplay(w)); } break ; case XPEndJobNotify : pr_cbs.reason = XmCR_PAGE_SETUP; pr_cbs.last_page = True ; XtCallCallbackList (w, print_shell->print.page_setup_callback, &pr_cbs); pr_cbs.reason = XmCR_END_JOB ; XtCallCallbackList (w, print_shell->print.end_job_callback, &pr_cbs); break ; } }
void CreateWindow(Widget top, Display *pdpy, XPContext pctxt, Screen *scr) { Widget form, shell, tw; FILE *f; static char buffer[64000]; Arg al[20]; int ac; unsigned short wid, ht; XRectangle rect; Dimension width, height; short nrows = 80; int nlines = 481, npages, page, i; int save_data = XPGetData; /* * Here we are sure that printer name, print display, screen are * initialized, and a print context has been created. */ if (XpGetPageDimensions(pdpy, pctxt, &wid, &ht, &rect)) { fprintf(stderr, "Paper size is %d %d\n", wid, ht); } else { fprintf(stderr, "test8: failed to get Page Dimensions\n"); exit(1); } ac = 0; /* Size from paper size */ XtSetArg(al[ac], XmNheight, ht); ac++; XtSetArg(al[ac], XmNwidth, wid); ac++; shell = XmPrintSetup(top, scr, "Print", al, ac); /* start job must precede XpGetDocumentData in XmPrintToFile */ fprintf(stderr, "test8: XpStartJob\n"); XpStartJob(XtDisplay(shell), save_data); /* Maintain sequence StartJob - GetDocument */ XFlush(XtDisplay(shell)); XmPrintToFile(XtDisplay(shell), "test8.out", FinishPrintToFile, NULL); /* * Now we can get the size of the shell, create widgets, etc. */ XtVaGetValues(shell, XmNheight, &height, XmNwidth, &width, NULL); /* * Create a text widget as big as the page */ fprintf(stderr, "test8: XmCreateText(wid %d ht %d)\n", width, height); ac=0; XtSetArg(al[ac], XmNheight, height); ac++; XtSetArg(al[ac], XmNwidth, width); ac++; form = XmCreateForm(shell, "form", al, ac); XtManageChild(form); /* Re-use settings from above */ XtSetArg(al[ac], XmNeditMode, XmMULTI_LINE_EDIT); ac++; XtSetArg(al[ac], XmNtopAttachment, XmATTACH_FORM); ac++; XtSetArg(al[ac], XmNbottomAttachment, XmATTACH_FORM); ac++; XtSetArg(al[ac], XmNleftAttachment, XmATTACH_FORM); ac++; XtSetArg(al[ac], XmNrightAttachment, XmATTACH_FORM); ac++; tw = XmCreateText(form, "tw", al, ac); XtManageChild(tw); /* * Get some data in here - the LGPL text (you probably * need to be in the LessTif source tree for this to work). */ for (i=0; i<10; i++) { f = fopen("COPYING.LIB", "r"); if (f) break; chdir(".."); } if (f) { fread(buffer, 1, sizeof(buffer), f); fclose(f); } XmTextSetString(tw, buffer); XmTextShowPosition(tw, 0); fprintf(stderr, "test8: XtRealizeWidget()\n"); XtRealizeWidget(shell); /* Get data to calculate number of pages to print */ XtVaGetValues(tw, XmNrows, &nrows, XmNtotalLines, &nlines, NULL); /* Calculate number of pages to print */ npages = nlines / nrows + 1; fprintf(stderr, "Text lines %d rows %d pages %d\n", nlines, nrows, npages); for (page = 0; page < npages; page++) { XpStartPage(XtDisplay(shell), XtWindow(shell)); fprintf(stderr, "test8: XmRedisplayWidget\n"); XmRedisplayWidget(tw); /* works !! */ /* Calling XmRedisplayWidget() only works for * widgets that have an expose() method. This simple * point is documented in the XmRedisplayWidget docs. * Not so obvious consequence is what to do with other * widgets. It seems to be up to the application * programmer to figure out which widget to use. * * Calling it on a shell or on a form won't work. XmRedisplayWidget(shell); */ XpEndPage(XtDisplay(shell)); if (XmIsText(tw)) XmTextScroll(tw, nrows); } XpEndJob(XtDisplay(shell)); }