463 lines
11 KiB
C
463 lines
11 KiB
C
/*
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Copyright (c) 1990-2000 Info-ZIP. All rights reserved.
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See the accompanying file LICENSE, version 2000-Apr-09 or later
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(the contents of which are also included in unzip.h) for terms of use.
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If, for some reason, all these files are missing, the Info-ZIP license
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also may be found at: ftp://ftp.info-zip.org/pub/infozip/license.html
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*/
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/*---------------------------------------------------------------------------
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macscreen.c
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This file is only linked into the standalone version (not SIOUX) of unzip.
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Macintosh-GUI routines.
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---------------------------------------------------------------------------*/
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/*****************************************************************************/
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/* Includes */
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/*****************************************************************************/
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#include <QuickDraw.h>
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#include <stdio.h>
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#include <stdarg.h>
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#include <string.h>
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/*****************************************************************************/
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/* Macros, typedefs */
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/*****************************************************************************/
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#define bufferSize 4096
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#define screenWindow 128
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#define pauseOption 0x0001
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#define scrollOption 0x0002
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/*****************************************************************************/
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/* Module level Vars */
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/*****************************************************************************/
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static Rect scrollRect, pauseRect;
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static WindowPtr theWindow;
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static RgnHandle scrollRgn;
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static short fontHeight, fontWidth, screenHeight, screenWidth;
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static short currentPosition, maxPosition, pausePosition;
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static short *screenLength, startLine, endLine;
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static char *screenImage, **screenLine;
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static int screenOptions;
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/*****************************************************************************/
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/* Prototypes */
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/*****************************************************************************/
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void screenOpen(char *);
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void screenControl(char *, int);
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void screenClose(void);
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void screenUpdate(WindowPtr);
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void screenDisplay(char *);
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void screenDump(char *, long);
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char *macfgets(char *, int, FILE *);
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int macfprintf(FILE *, char *, ...);
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int macprintf(char *, ...);
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int macgetch(void);
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/*****************************************************************************/
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/* Functions */
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/*****************************************************************************/
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void screenOpen(char *Title) {
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FontInfo fontInfo;
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int n;
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short fontFamID;
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theWindow = GetNewWindow(screenWindow, nil, (WindowPtr)(-1));
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if ((Title != NULL) && (*Title != '\0')) {
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c2pstr(Title);
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SetWTitle(theWindow, (StringPtr)Title);
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p2cstr((StringPtr)Title);
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}
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ShowWindow(theWindow);
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SetPort(theWindow);
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GetFNum( "\pMonaco", &fontFamID );
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TextFont(fontFamID);
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TextSize(9);
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GetFontInfo(&fontInfo);
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fontHeight = fontInfo.ascent + fontInfo.descent + fontInfo.leading;
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fontWidth = fontInfo.widMax;
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scrollRgn = NewRgn();
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screenWidth = (theWindow->portRect.right - theWindow->portRect.left - 10) /
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fontWidth;
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screenHeight = (theWindow->portRect.bottom - theWindow->portRect.top) /
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fontHeight;
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maxPosition = screenHeight * fontHeight;
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pausePosition = maxPosition - (currentPosition = fontHeight);
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SetRect(&scrollRect, theWindow->portRect.left,
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theWindow->portRect.top + fontInfo.descent,
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theWindow->portRect.right,
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theWindow->portRect.bottom);
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SetRect(&pauseRect, theWindow->portRect.left,
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pausePosition + fontInfo.descent,
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theWindow->portRect.right,
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theWindow->portRect.bottom);
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MoveTo(5, currentPosition);
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n = (sizeof(char *) + sizeof(short) + screenWidth) * screenHeight;
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screenLine = (char **)NewPtr(n);
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screenLength = (short *)&screenLine[screenHeight];
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screenImage = (char *)&screenLength[screenHeight];
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for (n = 0; n < screenHeight; n++) {
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screenLine[n] = &screenImage[n * screenWidth];
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screenLength[n] = 0;
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}
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startLine = endLine = 0;
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screenOptions = 0;
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return;
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}
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void screenControl(char *options, int setting) {
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int n = 0;
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while (*options) {
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switch (*options) {
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case 'p':
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n |= pauseOption;
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break;
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case 's':
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n |= scrollOption;
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break;
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default:
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break;
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}
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options += 1;
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}
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if (setting == 0)
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screenOptions &= (n ^ (-1));
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else
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screenOptions |= n;
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if ((pausePosition = maxPosition - currentPosition) == 0)
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pausePosition = maxPosition - fontHeight;
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return;
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}
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void screenClose(void) {
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DisposePtr((Ptr)screenLine);
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DisposeWindow(theWindow);
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return;
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}
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void screenUpdate(WindowPtr window) {
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GrafPort *savePort;
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int m, n;
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if (window == theWindow) {
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BeginUpdate(window);
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if (!EmptyRgn(window->visRgn)) {
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GetPort(&savePort);
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SetPort(window);
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n = startLine;
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for (m = 1; ; m++) {
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MoveTo(5, m * fontHeight);
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if (screenLength[n] != 0)
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DrawText(screenLine[n], 0, screenLength[n]);
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if (n == endLine) break;
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if ((n += 1) == screenHeight) n = 0;
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}
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SetPort(savePort);
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}
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EndUpdate(window);
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}
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return;
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}
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static void screenNewline(void) {
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MoveTo(5, currentPosition += fontHeight);
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if (currentPosition > maxPosition) {
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if (screenOptions & scrollOption) {
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ScrollRect(&scrollRect, 0, -fontHeight, scrollRgn);
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MoveTo(5, currentPosition = maxPosition);
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if ((startLine += 1) == screenHeight) startLine = 0;
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} else {
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ScrollRect(&scrollRect, 0, -maxPosition + fontHeight, scrollRgn);
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MoveTo(5, currentPosition = fontHeight + fontHeight);
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startLine = endLine;
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}
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}
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pausePosition -= fontHeight;
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if ((endLine += 1) == screenHeight) endLine = 0;
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screenLength[endLine] = 0;
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return;
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}
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static char waitChar(void) {
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WindowPtr whichWindow;
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EventRecord theEvent;
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for ( ; ; ) {
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SystemTask();
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if (GetNextEvent(everyEvent, &theEvent)) {
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switch (theEvent.what) {
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case keyDown:
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if ((theEvent.modifiers & cmdKey) &&
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((theEvent.message & charCodeMask) == '.'))
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ExitToShell();
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return(theEvent.message & charCodeMask);
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case mouseDown:
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if (FindWindow(theEvent.where, &whichWindow) == inSysWindow)
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SystemClick(&theEvent, whichWindow);
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break;
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case updateEvt:
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screenUpdate((WindowPtr)theEvent.message);
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break;
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}
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}
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}
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}
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static void screenPause(void) {
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if (pausePosition == 0) {
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if (screenOptions & pauseOption) {
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DrawText("Press any key to continue ...", 0, 29);
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memcpy(screenLine[endLine], "Press any key to continue ...", 29);
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screenLength[endLine] = 29;
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(void)waitChar();
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EraseRect(&pauseRect);
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MoveTo(5, currentPosition);
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screenLength[endLine] = 0;
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}
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pausePosition = maxPosition - fontHeight;
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}
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return;
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}
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void screenDisplay(char *s) {
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GrafPort *savePort;
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int m, n;
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char *t;
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GetPort(&savePort);
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SetPort(theWindow);
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while (*s) {
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screenPause();
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for (t = s; (*s) && (*s != '\n') && (*s != '\r'); s++)
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; /* empty body */
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if ((n = s - t) > (m = screenWidth - screenLength[endLine])) n = m;
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if (n > 0) {
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DrawText(t, 0, n);
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memcpy(screenLine[endLine] + screenLength[endLine], t, n);
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screenLength[endLine] += n;
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}
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if ((*s == '\n') || (*s == '\r')) {
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screenNewline();
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s += 1;
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}
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}
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SetPort(savePort);
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return;
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}
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void screenDump(char *s, long n) {
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GrafPort *savePort;
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int k, m;
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char *t;
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GetPort(&savePort);
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SetPort(theWindow);
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while (n) {
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screenPause();
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for (t = s; (n) && (*s != '\n') && (*s != '\r'); s++, n--)
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; /* empty body */
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if ((k = s - t) > (m = screenWidth - screenLength[endLine])) k = m;
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if (k > 0) {
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DrawText(t, 0, k);
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memcpy(screenLine[endLine] + screenLength[endLine], t, k);
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screenLength[endLine] += k;
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}
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if ((*s == '\n') || (*s == '\r')) {
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screenNewline();
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s += 1;
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n -= 1;
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}
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}
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SetPort(savePort);
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return;
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}
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char *macfgets(char *s, int n, FILE *stream) {
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GrafPort *savePort;
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char c, *t = s;
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stream = stream;
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GetPort(&savePort);
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SetPort(theWindow);
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for (n -= 1; (n > 0) && ((c = waitChar()) != '\r'); n -= 1) {
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DrawChar(*t++ = c);
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if (screenLength[endLine] < screenWidth)
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screenLine[endLine][screenLength[endLine]++] = c;
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}
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if (c == '\r') screenNewline();
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*t = '\0';
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SetPort(savePort);
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return(s);
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}
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int macfprintf(FILE *stream, char *format, ...)
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{
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char buffer[bufferSize];
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va_list ap;
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int rc;
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stream = stream;
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va_start(ap, format);
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rc = vsprintf(buffer, format, ap);
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va_end(ap);
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screenDisplay(buffer);
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return rc;
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}
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int macprintf(char *format, ...)
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{
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char buffer[bufferSize];
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va_list ap;
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int rc;
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va_start(ap, format);
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rc = vsprintf(buffer, format, ap);
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va_end(ap);
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screenDisplay(buffer);
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return rc;
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}
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/***********************/
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/* Function macgetch() */
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/***********************/
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int macgetch(void)
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{
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WindowPtr whichWindow;
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EventRecord theEvent;
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char c; /* one-byte buffer for read() to use */
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do {
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SystemTask();
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if (!GetNextEvent(everyEvent, &theEvent))
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theEvent.what = nullEvent;
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else {
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switch (theEvent.what) {
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case keyDown:
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c = theEvent.message & charCodeMask;
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break;
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case mouseDown:
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if (FindWindow(theEvent.where, &whichWindow) ==
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inSysWindow)
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SystemClick(&theEvent, whichWindow);
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break;
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case updateEvt:
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screenUpdate((WindowPtr)theEvent.message);
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break;
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}
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}
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} while (theEvent.what != keyDown);
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macprintf("*");
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return (int)c;
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}
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