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IABSD.fr/xenocara/app/xmore/xmore.c
matthieu
- app/xmore/xmore.c
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/* * $Xorg: xmore.c,v 1.1 2004/04/30 02:05:54 gisburn Exp $ * Copyright 2004 Roland Mainz <roland.mainz@nrubsig.org> Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation. The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. Except as contained in this notice, the name of The Open Group shall not be used in advertising or otherwise to promote the sale, use or other dealings in this Software without prior written authorization from The Open Group. * */ /* Force ANSI C prototypes from X11 headers */ #ifndef FUNCPROTO #define FUNCPROTO 15 #endif /* !FUNCPROTO */ #include <X11/StringDefs.h> #include <X11/Intrinsic.h> #include <X11/Shell.h> #include <X11/Xaw/Form.h> #include <X11/Xaw/List.h> #include <X11/Xaw/Command.h> #include <X11/Xaw/AsciiText.h> #include <X11/Xaw/Cardinals.h> #include "xmore.h" #ifdef USE_XPRINT #include "printdialog.h" #include "print.h" #endif #include <stdlib.h> #include <stdio.h> #include <limits.h> /* Turn a NULL pointer string into an empty string */ #define NULLSTR(x) (((x)!=NULL)?(x):("")) #define Error(x) { printf x ; exit(EXIT_FAILURE); } #define Assertion(expr, msg) { if (!(expr)) { Error msg } } #define Log(x) { if (userOptions.verbose) printf x; } /* Global vars */ static Widget printdialog_shell = NULL; static Widget printdialog = NULL; static Widget toplevel = NULL; static Widget text = NULL; static char printJobNameBuffer[PATH_MAX+256]; static const char *ProgramName; /* program name (from argv[0]) */ static const char *viewFileName; /* file to browse (from argv[1]) */ /* prototypes */ static void quitAction(Widget w, XEvent *event, String *params, Cardinal *num_params); static void quitXtProc(Widget w, XtPointer client_data, XtPointer callData); #ifdef USE_XPRINT static void printAction(Widget w, XEvent *event, String *params, Cardinal *num_params); static void printXtProc(Widget w, XtPointer client_data, XtPointer callData); #endif static XrmOptionDescRec options[] = { { "-v", "*verbose", XrmoptionNoArg, (XPointer) "on" }, }; static XtActionsRec actions[] = { { "quit", quitAction }, #ifdef USE_XPRINT { "print", printAction } #endif }; /* See xmore.h */ XMoreResourceData userOptions; #define Offset(field) XtOffsetOf(XMoreResourceData, field) XtResource resources[] = { {"verbose", "Verbose", XtRBoolean, sizeof(Boolean), Offset(verbose), XtRImmediate, (XtPointer)False}, {"textfont", XtCFont, XtRFontSet, sizeof(XFontSet), Offset(textfont), XtRString, STANDARDFONT}, }; String fallback_resources[] = { #ifdef NOTYET "*iconPixmap: xmore32", "*iconMask: xmore32", #endif /* NOTYET */ "*textfont: " STANDARDFONT, "*international: True", /* set this globally for ALL widgets to avoid wiered crashes */ "*text.Translations: #override \\n\\" "\tCtrl<Key>S: no-op(RingBell)\\n\\" "\tCtrl<Key>R: no-op(RingBell)\\n\\" "\t<Key>space: next-page()\\n\\" "\t<Key>F: next-page()\\n\\" "\tCtrl<Key>B: previous-page()\\n\\" "\t<Key>B: previous-page()\\n\\" "\t<Key>K: scroll-one-line-down()\\n\\" "\t<Key>Y: scroll-one-line-down()\\n\\" "\t<Key>Return: scroll-one-line-up()\\n\\" "\t<Key>J: scroll-one-line-up()\\n\\" "\t<Key>E: scroll-one-line-up()\\n\\" "\t<Key>p: print()\\n\\" "\t<Key>q: quit()\\n", "*text.baseTranslations: #override \\n\\" "\t<Key>space: next-page()\\n\\" "\t<Key>F: next-page()\\n\\" "\tCtrl<Key>B: previous-page()\\n\\" "\t<Key>K: scroll-one-line-down()\\n\\" "\t<Key>Y: scroll-one-line-down()\\n\\" "\t<Key>Return: scroll-one-line-up()\\n\\" "\t<Key>J: scroll-one-line-up()\\n\\" "\t<Key>E: scroll-one-line-up()\\n\\" "\t<Key>p: print()\\n\\" "\t<Key>q: quit()\\n", NULL, }; static void quitAction(Widget w, XEvent *event, String *params, Cardinal *num_params) { XtAppSetExitFlag(XtWidgetToApplicationContext(w)); } static void quitXtProc(Widget w, XtPointer client_data, XtPointer callData) { XtCallActionProc(w, "quit", NULL, NULL, 0); } static void printshellDestroyXtProc(Widget w, XtPointer client_data, XtPointer callData) { XawPrintDialogClosePrinterConnection(printdialog, False); } #ifdef USE_XPRINT static void printOKXtProc(Widget w, XtPointer client_data, XtPointer callData) { XawPrintDialogCallbackStruct *pdcs = (XawPrintDialogCallbackStruct *)callData; Cardinal n; Arg args[2]; Widget textsource; Log(("printOKXtProc: OK.\n")); /* Get TextSource object */ n = 0; XtSetArg(args[n], XtNtextSource, &textsource); n++; XtGetValues(text, args, n); Assertion(textsource != NULL, (("printOKXtProc: textsource == NULL.\n"))); /* ||printJobNameBuffer| must live as long the print job prints * because it is used for the job title AND the page headers... */ sprintf(printJobNameBuffer, "XMore print job %s", viewFileName); DoPrintTextSource(ProgramName, textsource, toplevel, pdcs->pdpy, pdcs->pcontext, pdcs->colorspace, printshellDestroyXtProc, printJobNameBuffer, pdcs->printToFile?pdcs->printToFileName:NULL); XtPopdown(printdialog_shell); } static void printCancelXtProc(Widget w, XtPointer client_data, XtPointer callData) { Log(("printCancelXtProc: cancel.\n")); XtPopdown(printdialog_shell); Log(("destroying print dialog shell...\n")); XtDestroyWidget(printdialog_shell); printdialog_shell = NULL; printdialog = NULL; Log(("... done\n")); } static void printXtProc(Widget w, XtPointer client_data, XtPointer callData) { XtCallActionProc(toplevel, "print", NULL, NULL, 0); } static void printAction(Widget w, XEvent *event, String *params, Cardinal *num_params) { Dimension width, height; Position x, y; Widget parent = toplevel; Log(("print!\n")); if (!printdialog) { int n; Arg args[20]; n = 0; XtSetArg(args[n], XtNallowShellResize, True); n++; printdialog_shell = XtCreatePopupShell("printdialogshell", transientShellWidgetClass, toplevel, args, n); n = 0; printdialog = XtCreateManagedWidget("printdialog", printDialogWidgetClass, printdialog_shell, args, n); XtAddCallback(printdialog, XawNOkCallback, printOKXtProc, NULL); XtAddCallback(printdialog, XawNCancelCallback, printCancelXtProc, NULL); XtRealizeWidget(printdialog_shell); } /* Center dialog */ XtVaGetValues(printdialog_shell, XtNwidth, &width, XtNheight, &height, NULL); x = (Position)(XWidthOfScreen( XtScreen(parent)) - width) / 2; y = (Position)(XHeightOfScreen(XtScreen(parent)) - height) / 3; XtVaSetValues(printdialog_shell, XtNx, x, XtNy, y, NULL); XtPopup(printdialog_shell, XtGrabNonexclusive); } #endif int main( int argc, char *argv[] ) { XtAppContext app; Widget form; Widget printbutton; Widget quitbutton; int n; Arg args[8]; ProgramName = argv[0]; XtSetLanguageProc(NULL, NULL, NULL); toplevel = XtOpenApplication(&app, "XMore", options, XtNumber(options), &argc, argv, fallback_resources, sessionShellWidgetClass, NULL, ZERO); if (argc != 2) { printf("usage: %s [ x options ] filename\n", argv[0]); exit(EXIT_FAILURE); } XtGetApplicationResources(toplevel, (XtPointer)&userOptions, resources, XtNumber(resources), NULL, 0); XtAppAddActions(app, actions, XtNumber(actions)); viewFileName = argv[1]; form = XtCreateManagedWidget("form", formWidgetClass, toplevel, NULL, 0); n = 0; XtSetArg(args[n], XtNtype, XawAsciiFile); n++; XtSetArg(args[n], XtNstring, viewFileName); n++; XtSetArg(args[n], XtNwidth, 700); n++; XtSetArg(args[n], XtNheight, 300); n++; XtSetArg(args[n], XtNscrollHorizontal, XawtextScrollAlways); n++; XtSetArg(args[n], XtNscrollVertical, XawtextScrollAlways); n++; XtSetArg(args[n], XtNfontSet, userOptions.textfont); n++; text = XtCreateManagedWidget("text", asciiTextWidgetClass, form, args, n); #ifdef USE_XPRINT n = 0; XtSetArg(args[n], XtNfromHoriz, NULL); n++; XtSetArg(args[n], XtNfromVert, text); n++; XtSetArg(args[n], XtNlabel, "Print..."); n++; printbutton = XtCreateManagedWidget("print", commandWidgetClass, form, args, n); XtAddCallback(printbutton, XtNcallback, printXtProc, 0); #endif n = 0; XtSetArg(args[n], XtNfromHoriz, printbutton); n++; XtSetArg(args[n], XtNfromVert, text); n++; XtSetArg(args[n], XtNlabel, "Quit"); n++; quitbutton = XtCreateManagedWidget("quit", commandWidgetClass, form, args, n); XtAddCallback(quitbutton, XtNcallback, quitXtProc, 0); printdialog_shell = NULL; printdialog = NULL; XtRealizeWidget(toplevel); XtAppMainLoop(app); return EXIT_SUCCESS; }