diff options
Diffstat (limited to 'contrib/groff/src/xditview/Dvi.c')
-rw-r--r-- | contrib/groff/src/xditview/Dvi.c | 573 |
1 files changed, 0 insertions, 573 deletions
diff --git a/contrib/groff/src/xditview/Dvi.c b/contrib/groff/src/xditview/Dvi.c deleted file mode 100644 index 08eb810..0000000 --- a/contrib/groff/src/xditview/Dvi.c +++ /dev/null @@ -1,573 +0,0 @@ -#ifndef SABER -#ifndef lint -static char Xrcsid[] = "$XConsortium: Dvi.c,v 1.9 89/12/10 16:12:25 rws Exp $"; -#endif /* lint */ -#endif /* SABER */ - -/* - * Dvi.c - Dvi display widget - * - */ - -#define XtStrlen(s) ((s) ? strlen(s) : 0) - - /* The following are defined for the reader's convenience. Any - Xt..Field macro in this code just refers to some field in - one of the substructures of the WidgetRec. */ - -#include <X11/IntrinsicP.h> -#include <X11/StringDefs.h> -#include <X11/Xmu/Converters.h> -#include <stdio.h> -#include <ctype.h> -#include "DviP.h" - -/**************************************************************** - * - * Full class record constant - * - ****************************************************************/ - -/* Private Data */ - -static char default_font_map[] = "\ -TR -adobe-times-medium-r-normal--*-100-*-*-*-*-iso8859-1\n\ -TI -adobe-times-medium-i-normal--*-100-*-*-*-*-iso8859-1\n\ -TB -adobe-times-bold-r-normal--*-100-*-*-*-*-iso8859-1\n\ -TBI -adobe-times-bold-i-normal--*-100-*-*-*-*-iso8859-1\n\ -CR -adobe-courier-medium-r-normal--*-100-*-*-*-*-iso8859-1\n\ -CI -adobe-courier-medium-o-normal--*-100-*-*-*-*-iso8859-1\n\ -CB -adobe-courier-bold-r-normal--*-100-*-*-*-*-iso8859-1\n\ -CBI -adobe-courier-bold-o-normal--*-100-*-*-*-*-iso8859-1\n\ -HR -adobe-helvetica-medium-r-normal--*-100-*-*-*-*-iso8859-1\n\ -HI -adobe-helvetica-medium-o-normal--*-100-*-*-*-*-iso8859-1\n\ -HB -adobe-helvetica-bold-r-normal--*-100-*-*-*-*-iso8859-1\n\ -HBI -adobe-helvetica-bold-o-normal--*-100-*-*-*-*-iso8859-1\n\ -NR -adobe-new century schoolbook-medium-r-normal--*-100-*-*-*-*-iso8859-1\n\ -NI -adobe-new century schoolbook-medium-i-normal--*-100-*-*-*-*-iso8859-1\n\ -NB -adobe-new century schoolbook-bold-r-normal--*-100-*-*-*-*-iso8859-1\n\ -NBI -adobe-new century schoolbook-bold-i-normal--*-100-*-*-*-*-iso8859-1\n\ -S -adobe-symbol-medium-r-normal--*-100-*-*-*-*-adobe-fontspecific\n\ -SS -adobe-symbol-medium-r-normal--*-100-*-*-*-*-adobe-fontspecific\n\ -"; - -#define offset(field) XtOffset(DviWidget, field) - -#define MY_WIDTH(dw) ((int)(dw->dvi.paperwidth * dw->dvi.scale_factor + .5)) -#define MY_HEIGHT(dw) ((int)(dw->dvi.paperlength * dw->dvi.scale_factor + .5)) - -static XtResource resources[] = { - {XtNfontMap, XtCFontMap, XtRString, sizeof (char *), - offset(dvi.font_map_string), XtRString, default_font_map}, - {XtNforeground, XtCForeground, XtRPixel, sizeof (unsigned long), - offset(dvi.foreground), XtRString, "XtDefaultForeground"}, - {XtNbackground, XtCBackground, XtRPixel, sizeof (unsigned long), - offset(dvi.background), XtRString, "XtDefaultBackground"}, - {XtNpageNumber, XtCPageNumber, XtRInt, sizeof (int), - offset(dvi.requested_page), XtRString, "1"}, - {XtNlastPageNumber, XtCLastPageNumber, XtRInt, sizeof (int), - offset (dvi.last_page), XtRString, "0"}, - {XtNfile, XtCFile, XtRFile, sizeof (FILE *), - offset (dvi.file), XtRFile, (char *) 0}, - {XtNseek, XtCSeek, XtRBoolean, sizeof (Boolean), - offset(dvi.seek), XtRString, "false"}, - {XtNfont, XtCFont, XtRFontStruct, sizeof (XFontStruct *), - offset(dvi.default_font), XtRString, "xtdefaultfont"}, - {XtNbackingStore, XtCBackingStore, XtRBackingStore, sizeof (int), - offset(dvi.backing_store), XtRString, "default"}, - {XtNnoPolyText, XtCNoPolyText, XtRBoolean, sizeof (Boolean), - offset(dvi.noPolyText), XtRString, "false"}, - {XtNresolution, XtCResolution, XtRInt, sizeof(int), - offset(dvi.default_resolution), XtRString, "75"}, -}; - -#undef offset - -static void ClassInitialize (); -static void ClassPartInitialize(); -static void Initialize(), Realize (), Destroy (), Redisplay (); -static Boolean SetValues (), SetValuesHook (); -static XtGeometryResult QueryGeometry (); -static void ShowDvi (); -static void CloseFile (), OpenFile (); -static void FindPage (); - -static void SaveToFile (); - -DviClassRec dviClassRec = { -{ - &widgetClassRec, /* superclass */ - "Dvi", /* class_name */ - sizeof(DviRec), /* size */ - ClassInitialize, /* class_initialize */ - ClassPartInitialize, /* class_part_initialize */ - FALSE, /* class_inited */ - Initialize, /* initialize */ - NULL, /* initialize_hook */ - Realize, /* realize */ - NULL, /* actions */ - 0, /* num_actions */ - resources, /* resources */ - XtNumber(resources), /* resource_count */ - NULLQUARK, /* xrm_class */ - FALSE, /* compress_motion */ - TRUE, /* compress_exposure */ - TRUE, /* compress_enterleave */ - FALSE, /* visible_interest */ - Destroy, /* destroy */ - NULL, /* resize */ - Redisplay, /* expose */ - SetValues, /* set_values */ - SetValuesHook, /* set_values_hook */ - NULL, /* set_values_almost */ - NULL, /* get_values_hook */ - NULL, /* accept_focus */ - XtVersion, /* version */ - NULL, /* callback_private */ - 0, /* tm_table */ - QueryGeometry, /* query_geometry */ - NULL, /* display_accelerator */ - NULL /* extension */ -},{ - SaveToFile, /* save */ -}, -}; - -WidgetClass dviWidgetClass = (WidgetClass) &dviClassRec; - -static void ClassInitialize () -{ - XtAddConverter( XtRString, XtRBackingStore, XmuCvtStringToBackingStore, - NULL, 0 ); -} - -/**************************************************************** - * - * Private Procedures - * - ****************************************************************/ - -/* ARGSUSED */ -static void Initialize(request, new) - Widget request, new; -{ - DviWidget dw = (DviWidget) new; - - dw->dvi.current_page = 0; - dw->dvi.font_map = 0; - dw->dvi.cache.index = 0; - dw->dvi.text_x_width = 0; - dw->dvi.text_device_width = 0; - dw->dvi.word_flag = 0; - dw->dvi.file = 0; - dw->dvi.tmpFile = 0; - dw->dvi.state = 0; - dw->dvi.readingTmp = 0; - dw->dvi.cache.char_index = 0; - dw->dvi.cache.font_size = -1; - dw->dvi.cache.font_number = -1; - dw->dvi.cache.adjustable[0] = 0; - dw->dvi.file_map = 0; - dw->dvi.fonts = 0; - dw->dvi.seek = False; - dw->dvi.device_resolution = dw->dvi.default_resolution; - dw->dvi.display_resolution = dw->dvi.default_resolution; - dw->dvi.paperlength = dw->dvi.default_resolution*11; - dw->dvi.paperwidth = (dw->dvi.default_resolution*8 - + dw->dvi.default_resolution/2); - dw->dvi.scale_factor = 1.0; - dw->dvi.sizescale = 1; - dw->dvi.line_thickness = -1; - dw->dvi.line_width = 1; - dw->dvi.fill = DVI_FILL_MAX; - dw->dvi.device_font = 0; - dw->dvi.device_font_number = -1; - dw->dvi.device = 0; - dw->dvi.native = 0; -} - -#include "gray1.bm" -#include "gray2.bm" -#include "gray3.bm" -#include "gray4.bm" -#include "gray5.bm" -#include "gray6.bm" -#include "gray7.bm" -#include "gray8.bm" - -static void -Realize (w, valueMask, attrs) - Widget w; - XtValueMask *valueMask; - XSetWindowAttributes *attrs; -{ - DviWidget dw = (DviWidget) w; - XGCValues values; - - if (dw->dvi.backing_store != Always + WhenMapped + NotUseful) { - attrs->backing_store = dw->dvi.backing_store; - *valueMask |= CWBackingStore; - } - XtCreateWindow (w, (unsigned)InputOutput, (Visual *) CopyFromParent, - *valueMask, attrs); - values.foreground = dw->dvi.foreground; - values.cap_style = CapRound; - values.join_style = JoinRound; - values.line_width = dw->dvi.line_width; - dw->dvi.normal_GC = XCreateGC (XtDisplay (w), XtWindow (w), - GCForeground|GCCapStyle|GCJoinStyle - |GCLineWidth, - &values); - dw->dvi.gray[0] = XCreateBitmapFromData(XtDisplay (w), XtWindow (w), - gray1_bits, - gray1_width, gray1_height); - dw->dvi.gray[1] = XCreateBitmapFromData(XtDisplay (w), XtWindow (w), - gray2_bits, - gray2_width, gray2_height); - dw->dvi.gray[2] = XCreateBitmapFromData(XtDisplay (w), XtWindow (w), - gray3_bits, - gray3_width, gray3_height); - dw->dvi.gray[3] = XCreateBitmapFromData(XtDisplay (w), XtWindow (w), - gray4_bits, - gray4_width, gray4_height); - dw->dvi.gray[4] = XCreateBitmapFromData(XtDisplay (w), XtWindow (w), - gray5_bits, - gray5_width, gray5_height); - dw->dvi.gray[5] = XCreateBitmapFromData(XtDisplay (w), XtWindow (w), - gray6_bits, - gray6_width, gray6_height); - dw->dvi.gray[6] = XCreateBitmapFromData(XtDisplay (w), XtWindow (w), - gray7_bits, - gray7_width, gray7_height); - dw->dvi.gray[7] = XCreateBitmapFromData(XtDisplay (w), XtWindow (w), - gray8_bits, - gray8_width, gray8_height); - values.background = dw->dvi.background; - values.stipple = dw->dvi.gray[5]; - dw->dvi.fill_GC = XCreateGC (XtDisplay (w), XtWindow (w), - GCForeground|GCBackground|GCStipple, - &values); - - dw->dvi.fill_type = 9; - - if (dw->dvi.file) - OpenFile (dw); - ParseFontMap (dw); -} - -static void -Destroy(w) - Widget w; -{ - DviWidget dw = (DviWidget) w; - - XFreeGC (XtDisplay (w), dw->dvi.normal_GC); - XFreeGC (XtDisplay (w), dw->dvi.fill_GC); - XFreePixmap (XtDisplay (w), dw->dvi.gray[0]); - XFreePixmap (XtDisplay (w), dw->dvi.gray[1]); - XFreePixmap (XtDisplay (w), dw->dvi.gray[2]); - XFreePixmap (XtDisplay (w), dw->dvi.gray[3]); - XFreePixmap (XtDisplay (w), dw->dvi.gray[4]); - XFreePixmap (XtDisplay (w), dw->dvi.gray[5]); - XFreePixmap (XtDisplay (w), dw->dvi.gray[6]); - XFreePixmap (XtDisplay (w), dw->dvi.gray[7]); - DestroyFontMap (dw->dvi.font_map); - DestroyFileMap (dw->dvi.file_map); - device_destroy (dw->dvi.device); -} - -/* - * Repaint the widget window - */ - -/* ARGSUSED */ -static void -Redisplay(w, event, region) - Widget w; - XEvent *event; - Region region; -{ - DviWidget dw = (DviWidget) w; - XRectangle extents; - - XClipBox (region, &extents); - dw->dvi.extents.x1 = extents.x; - dw->dvi.extents.y1 = extents.y; - dw->dvi.extents.x2 = extents.x + extents.width; - dw->dvi.extents.y2 = extents.y + extents.height; - ShowDvi (dw); -} - -/* - * Set specified arguments into widget - */ -/* ARGSUSED */ -static Boolean -SetValues (current, request, new) - DviWidget current, request, new; -{ - Boolean redisplay = FALSE; - char *new_map; - int cur, req; - - if (current->dvi.font_map_string != request->dvi.font_map_string) { - new_map = XtMalloc (strlen (request->dvi.font_map_string) + 1); - if (new_map) { - redisplay = TRUE; - strcpy (new_map, request->dvi.font_map_string); - new->dvi.font_map_string = new_map; - if (current->dvi.font_map_string) - XtFree (current->dvi.font_map_string); - current->dvi.font_map_string = 0; - ParseFontMap (new); - } - } - - req = request->dvi.requested_page; - cur = current->dvi.requested_page; - if (cur != req) { - if (!request->dvi.file) - req = 0; - else { - if (req < 1) - req = 1; - if (current->dvi.last_page != 0 && - req > current->dvi.last_page) - req = current->dvi.last_page; - } - if (cur != req) - redisplay = TRUE; - new->dvi.requested_page = req; - if (current->dvi.last_page == 0 && req > cur) - FindPage (new); - } - - return redisplay; -} - -/* - * use the set_values_hook entry to check when - * the file is set - */ - -static Boolean -SetValuesHook (dw, args, num_argsp) - DviWidget dw; - ArgList args; - Cardinal *num_argsp; -{ - Cardinal i; - - for (i = 0; i < *num_argsp; i++) { - if (!strcmp (args[i].name, XtNfile)) { - CloseFile (dw); - OpenFile (dw); - return TRUE; - } - } - return FALSE; -} - -static void CloseFile (dw) - DviWidget dw; -{ - if (dw->dvi.tmpFile) - fclose (dw->dvi.tmpFile); - ForgetPagePositions (dw); -} - -static void OpenFile (dw) - DviWidget dw; -{ - dw->dvi.tmpFile = 0; - if (!dw->dvi.seek) - dw->dvi.tmpFile = tmpfile(); - dw->dvi.requested_page = 1; - dw->dvi.last_page = 0; -} - -static XtGeometryResult -QueryGeometry (w, request, geometry_return) - Widget w; - XtWidgetGeometry *request, *geometry_return; -{ - XtGeometryResult ret; - DviWidget dw = (DviWidget) w; - - ret = XtGeometryYes; - if (((request->request_mode & CWWidth) - && request->width < MY_WIDTH(dw)) - || ((request->request_mode & CWHeight) - && request->height < MY_HEIGHT(dw))) - ret = XtGeometryAlmost; - geometry_return->width = MY_WIDTH(dw); - geometry_return->height = MY_HEIGHT(dw); - geometry_return->request_mode = CWWidth|CWHeight; - return ret; -} - -SetDevice (dw, name) - DviWidget dw; - char *name; -{ - XtWidgetGeometry request, reply; - XtGeometryResult ret; - - ForgetFonts (dw); - dw->dvi.device = device_load (name); - if (!dw->dvi.device) - return; - dw->dvi.sizescale = dw->dvi.device->sizescale; - dw->dvi.device_resolution = dw->dvi.device->res; - dw->dvi.native = dw->dvi.device->X11; - dw->dvi.paperlength = dw->dvi.device->paperlength; - dw->dvi.paperwidth = dw->dvi.device->paperwidth; - if (dw->dvi.native) { - dw->dvi.display_resolution = dw->dvi.device_resolution; - dw->dvi.scale_factor = 1.0; - } - else { - dw->dvi.display_resolution = dw->dvi.default_resolution; - dw->dvi.scale_factor = ((double)dw->dvi.display_resolution - / dw->dvi.device_resolution); - } - request.request_mode = CWWidth|CWHeight; - request.width = MY_WIDTH(dw); - request.height = MY_HEIGHT(dw); - ret = XtMakeGeometryRequest ((Widget)dw, &request, &reply); - if (ret == XtGeometryAlmost - && reply.height >= request.height - && reply.width >= request.width) { - request.width = reply.width; - request.height = reply.height; - XtMakeGeometryRequest ((Widget)dw, &request, &reply); - } -} - -static void -ShowDvi (dw) - DviWidget dw; -{ - if (!dw->dvi.file) { - static char Error[] = "No file selected"; - - XSetFont (XtDisplay(dw), dw->dvi.normal_GC, - dw->dvi.default_font->fid); - XDrawString (XtDisplay (dw), XtWindow (dw), dw->dvi.normal_GC, - 20, 20, Error, strlen (Error)); - return; - } - - FindPage (dw); - - dw->dvi.display_enable = 1; - ParseInput (dw); - if (dw->dvi.last_page && dw->dvi.requested_page > dw->dvi.last_page) - dw->dvi.requested_page = dw->dvi.last_page; -} - -static void -FindPage (dw) - DviWidget dw; -{ - int i; - long file_position; - - if (dw->dvi.requested_page < 1) - dw->dvi.requested_page = 1; - - if (dw->dvi.last_page != 0 && dw->dvi.requested_page > dw->dvi.last_page) - dw->dvi.requested_page = dw->dvi.last_page; - - file_position = SearchPagePosition (dw, dw->dvi.requested_page); - if (file_position != -1) { - FileSeek(dw, file_position); - dw->dvi.current_page = dw->dvi.requested_page; - } else { - for (i=dw->dvi.requested_page; i > 0; i--) { - file_position = SearchPagePosition (dw, i); - if (file_position != -1) - break; - } - if (file_position == -1) - file_position = 0; - FileSeek (dw, file_position); - - dw->dvi.current_page = i; - - dw->dvi.display_enable = 0; - while (dw->dvi.current_page != dw->dvi.requested_page) { - dw->dvi.current_page = ParseInput (dw); - /* - * at EOF, seek back to the beginning of this page. - */ - if (!dw->dvi.readingTmp && feof (dw->dvi.file)) { - file_position = SearchPagePosition (dw, - dw->dvi.current_page); - if (file_position != -1) - FileSeek (dw, file_position); - dw->dvi.requested_page = dw->dvi.current_page; - break; - } - } - } -} - -void DviSaveToFile(w, fp) - Widget w; - FILE *fp; -{ - XtCheckSubclass(w, dviWidgetClass, NULL); - (*((DviWidgetClass) XtClass(w))->command_class.save)(w, fp); -} - -static -void SaveToFile(w, fp) - Widget w; - FILE *fp; -{ - DviWidget dw = (DviWidget)w; - long pos; - int c; - - if (dw->dvi.tmpFile) { - pos = ftell(dw->dvi.tmpFile); - if (dw->dvi.ungot) { - pos--; - dw->dvi.ungot = 0; - /* The ungot character is in the tmpFile, so we don't - want to read it from file. */ - (void)getc(dw->dvi.file); - } - } - else - pos = ftell(dw->dvi.file); - FileSeek(dw, 0L); - while (DviGetC(dw, &c) != EOF) - if (putc(c, fp) == EOF) { - /* XXX print error message */ - break; - } - FileSeek(dw, pos); -} - -static -void ClassPartInitialize(widget_class) - WidgetClass widget_class; -{ - DviWidgetClass wc = (DviWidgetClass)widget_class; - DviWidgetClass super = (DviWidgetClass) wc->core_class.superclass; - if (wc->command_class.save == InheritSaveToFile) - wc->command_class.save = super->command_class.save; -} - -/* -Local Variables: -c-indent-level: 8 -c-continued-statement-offset: 8 -c-brace-offset: -8 -c-argdecl-indent: 8 -c-label-offset: -8 -c-tab-always-indent: nil -End: -*/ |