/*========================================================================*\ Copyright (c) 1990-1999 Paul Vojta Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: 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 PAUL VOJTA OR ANYONE ELSE 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. NOTE: xdvi is based on prior work, as noted in the modification history in xdvi.c. \*========================================================================*/ /* * Written by Eric C. Cooper, CMU */ #ifndef XDVI_H #define XDVI_H #define T1 1 /******************************** * The C environment * *******************************/ #include "c-auto.h" #ifdef __linux #define FLAKY_SIGPOLL 1 #endif #if STDC_HEADERS # include # include /* the following works around the wchar_t problem */ # include # if HAVE_X11_XOSDEFS_H # include # endif # ifdef X_NOT_STDC_ENV # undef X_NOT_STDC_ENV # undef X_WCHAR # include # define X_NOT_STDC_ENV # endif #endif /* Avoid name clashes with kpathsea. */ #define xfopen xdvi_xfopen /* For wchar_t et al., that the X files might want. */ #include #include #include /* include Xfuncs.h, if available */ #include /* needed for XDestroyImage */ #include #undef wchar_t #if XlibSpecificationRelease >= 5 #include #endif #ifndef NOTOOL #include #if (defined(VMS) && (XtSpecificationRelease <= 4)) || defined(lint) #include #endif #define TOOLKIT 1 #else /* NOTOOL */ #define XtNumber(arr) (sizeof(arr)/sizeof(arr[0])) typedef unsigned long Pixel; typedef char Boolean; typedef unsigned int Dimension; #undef TOOLKIT #undef MOTIF #undef BUTTONS #undef CFG2RES #endif /* NOTOOL */ #if defined(CFG2RES) && !defined(SELFAUTO) #define SELFAUTO 1 #endif #if defined(SELFAUTO) && !defined(DEFAULT_CONFIG_PATH) #define DEFAULT_CONFIG_PATH "$SELFAUTODIR:$SELFAUTOPARENT" #endif #undef CFGFILE /* no cheating */ #if defined(DEFAULT_CONFIG_PATH) #define CFGFILE 1 #endif typedef char Bool3; /* Yes/No/Maybe */ #define True 1 #define False 0 #define Maybe 2 #define INVALID_WIDTH 017777777777 #ifdef VMS #include #define index strchr #define rindex strrchr #define bzero(a, b) (void) memset ((void *) (a), 0, (size_t) (b)) #define bcopy(a, b, c) (void) memmove ((void *) (b), (void *) (a), (size_t) (c)) #endif #include #include #if HAVE_UNISTD_H #include #endif #if HAVE_DIRENT_H # include # define NAMLEN(dirent) strlen((dirent)->d_name) #else # define dirent direct # define NAMLEN(dirent) (dirent)->d_namlen # if HAVE_SYS_NDIR_H # include # endif # if HAVE_SYS_DIR_H # include # endif # if HAVE_NDIR_H # include # endif #endif /* These are for X headers */ #ifndef NeedFunctionPrototypes #if __STDC__ #define NeedFunctionPrototypes 1 #else /* STDC */ #define NeedFunctionPrototypes 0 #endif /* STDC */ #endif /* NeedFunctionPrototypes */ #ifndef HAVE_PROTOTYPES #if __STDC__ #define HAVE_PROTOTYPES 1 #else /* STDC */ #define HAVE_PROTOTYPES 0 #endif /* STDC */ #endif /* These are for xdvi */ #if HAVE_PROTOTYPES #define ARGS(x) x #else #define ARGS(x) () #endif #ifndef KPATHSEA /* These macros munge function declarations to make them work in both cases. The P?H macros are used for declarations, the P?C for definitions. See from the GNU C library. P1H(void) also works for definitions of routines which take no args. */ #if __STDC__ #define P1H(p1) (p1) #define P2H(p1,p2) (p1, p2) #define P3H(p1,p2,p3) (p1, p2, p3) #define P4H(p1,p2,p3,p4) (p1, p2, p3, p4) #define P5H(p1,p2,p3,p4,p5) (p1, p2, p3, p4, p5) #define P6H(p1,p2,p3,p4,p5,p6) (p1, p2, p3, p4, p5, p6) #define P7H(p1,p2,p3,p4,p5,p6,p7) (p1, p2, p3, p4, p5, p6,p7) #define P1C(t1,n1)(t1 n1) #define P2C(t1,n1, t2,n2) (t1 n1, t2 n2) #define P3C(t1,n1, t2,n2, t3,n3)(t1 n1, t2 n2, t3 n3) #define P4C(t1,n1, t2,n2, t3,n3, t4,n4) (t1 n1, t2 n2, t3 n3, t4 n4) #define P5C(t1,n1, t2,n2, t3,n3, t4,n4, t5,n5) \ (t1 n1, t2 n2, t3 n3, t4 n4, t5 n5) #define P6C(t1,n1, t2,n2, t3,n3, t4,n4, t5,n5, t6,n6) \ (t1 n1, t2 n2, t3 n3, t4 n4, t5 n5, t6 n6) #define P7C(t1,n1, t2,n2, t3,n3, t4,n4, t5,n5, t6,n6, t7,n7) \ (t1 n1, t2 n2, t3 n3, t4 n4, t5 n5, t6 n6, t7,n7) #else /* not __STDC__ */ #define P1H(p1) () #define P2H(p1, p2) () #define P3H(p1, p2, p3) () #define P4H(p1,p2,p3,p4) () #define P5H(p1, p2, p3, p4, p5) () #define P6H(p1, p2, p3, p4, p5, p6) () #define P6H(p1, p2, p3, p4, p5, p6, p7) () #define P1C(t1,n1) (n1) t1 n1; #define P2C(t1,n1, t2,n2) (n1,n2) t1 n1; t2 n2; #define P3C(t1,n1, t2,n2, t3,n3) (n1,n2,n3) t1 n1; t2 n2; t3 n3; #define P4C(t1,n1, t2,n2, t3,n3, t4,n4) (n1,n2,n3,n4) \ t1 n1; t2 n2; t3 n3; t4 n4; #define P5C(t1,n1, t2,n2, t3,n3, t4,n4, t5,n5) (n1,n2,n3,n4,n5) \ t1 n1; t2 n2; t3 n3; t4 n4; t5 n5; #define P6C(t1,n1, t2,n2, t3,n3, t4,n4, t5,n5, t6,n6) (n1,n2,n3,n4,n5,n6) \ t1 n1; t2 n2; t3 n3; t4 n4; t5 n5; t6 n6; #define P7C(t1,n1, t2,n2, t3,n3, t4,n4, t5,n5, t6,n6, t7,n7) \ (n1,n2,n3,n4,n5,n6,n7) \ t1 n1; t2 n2; t3 n3; t4 n4; t5 n5; t6 n6; t7,n7; #endif /* not __STDC__ */ #endif /* not KPATHSEA */ #ifndef NeedWidePrototypes #define NeedWidePrototypes NeedFunctionPrototypes #endif #include #ifndef _XFUNCPROTOBEGIN #define _XFUNCPROTOBEGIN #define _XFUNCPROTOEND #endif #ifndef _Xconst #if __STDC__ #define _Xconst const #else /* STDC */ #define _Xconst #endif /* STDC */ #endif /* _Xconst */ #ifndef VOLATILE #if __STDC__ || (defined(__stdc__) && defined(__convex__)) #define VOLATILE volatile #else #define VOLATILE /* nothing */ #endif #endif #ifndef NORETURN #ifdef __GNUC__ #define NORETURN volatile #else #define NORETURN /* nothing */ #endif #endif #ifndef OPEN_MODE #define OPEN_MODE FOPEN_R_MODE #endif /* OPEN_MODE */ #ifndef VMS #define OPEN_MODE_ARGS _Xconst char * #else #define OPEN_MODE_ARGS _Xconst char *, _Xconst char * #endif #define Printf (void) printf #define Puts (void) puts #define Fprintf (void) fprintf #define Sprintf (void) sprintf #define Fseek (void) fseek #define Fread (void) fread #define Fputs (void) fputs #define Putc (void) putc #define Putchar (void) putchar #define Fclose (void) fclose #define Fflush (void) fflush #define Strcat (void) strcat #define Strcpy (void) strcpy #ifdef HTEX char *urlocalize P1H(char *filename); extern int lastwwwopen; #endif /******************************** * Types and data * *******************************/ #ifndef EXTERN #define EXTERN extern #define INIT(x) #endif #define MAXDIM 32767 typedef unsigned char ubyte; #if NeedWidePrototypes typedef unsigned int wide_ubyte; typedef int wide_bool; #define WIDENINT (int) #else typedef ubyte wide_ubyte; typedef Boolean wide_bool; #define WIDENINT #endif #if defined(MAKETEXPK) && !defined(MKTEXPK) #define MKTEXPK 1 #endif /* * pixel_conv is currently used only for converting absolute positions * to pixel values; although normally it should be * ((int) ((x) / shrink_factor + (1 << 15) >> 16)), * the rounding is achieved instead by moving the constant 1 << 15 to * PAGE_OFFSET in dvi-draw.c. */ #define pixel_conv(x) ((int) ((x) / shrink_factor >> 16)) #define pixel_round(x) ((int) ROUNDUP(x, shrink_factor << 16)) #define spell_conv0(n, f) ((long) (n * f)) #define spell_conv(n) spell_conv0(n, dimconv) #define BMUNIT unsigned BMTYPE #define BMBITS (8 * BMBYTES) #define ADD(a, b) ((BMUNIT *) (((char *) a) + b)) #define SUB(a, b) ((BMUNIT *) (((char *) a) - b)) extern BMUNIT bit_masks[BMBITS + 1]; struct frame { /* dvi_h and dvi_v is the horizontal and vertical baseline position it is the responsebility of the set_char procedure to update them. */ struct framedata { long dvi_h, dvi_v, w, x, y, z; int pxl_v; } data; struct frame *next, *prev; }; #ifndef TEXXET typedef long (*set_char_proc) P1H(wide_ubyte); #else typedef void (*set_char_proc) P2H(wide_ubyte, wide_ubyte); #endif struct drawinf { /* this information is saved when using virtual fonts */ struct framedata data; struct font *fontp; set_char_proc set_char_p; int tn_table_len; struct font **tn_table; struct tn *tn_head; ubyte *pos, *end; struct font *virtual; #ifdef TEXXET int dir; #endif }; EXTERN struct drawinf currinf; /* entries below with the characters 'dvi' in them are actually stored in scaled pixel units */ #define DVI_H currinf.data.dvi_h #define PXL_H pixel_conv(currinf.data.dvi_h) #define DVI_V currinf.data.dvi_v #define PXL_V currinf.data.pxl_v #define WW currinf.data.w #define XX currinf.data.x #define YY currinf.data.y #define ZZ currinf.data.z #define ROUNDUP(x,y) (((x)+(y)-1)/(y)) EXTERN int current_page; EXTERN int total_pages; EXTERN int pageno_correct INIT(1); EXTERN long magnification; EXTERN double dimconv; EXTERN double tpic_conv; EXTERN int n_files_left; /* for LRU closing of fonts */ EXTERN time_t dvi_time; /* last mod. time for dvi file */ EXTERN unsigned int page_w, page_h; #if defined(GS_PATH) && !defined(PS_GS) #define PS_GS #endif #if defined(PS_DPS) || defined(PS_NEWS) || defined(PS_GS) #define PS 1 #else #define PS 0 #endif #if PS EXTERN int scanned_page; /* last page prescanned */ EXTERN int scanned_page_bak; /* actual value of the above */ EXTERN int scanned_page_reset; /* number to reset the above to */ #endif /* * Table of page offsets in DVI file, indexed by page number - 1. * Initialized in prepare_pages(). */ EXTERN long *page_offset; /* * Mechanism for reducing repeated warning about specials, lost characters, etc. */ EXTERN Boolean warn_spec_now; // added SU EXTERN Boolean delay_src; /* * If we're in the middle of a PSFIG special. */ EXTERN Boolean psfig_begun INIT(False); /* BEGIN CHUNK xdvi.h 1 */ #ifdef SRC_SPECIALS EXTERN Boolean src_specials_are_evaluated INIT(False); EXTERN Boolean src_EditorCmd_filename_first; EXTERN int src_tickShape; EXTERN int src_tick_height, src_tick_width; /* size of the src tick glyphs */ #define SPECIAL_SHAPE_MAX_NUM 3 /* number of different shapes (starting from 0) for drawing src specials. Hardcoding these here is a bad idea ... */ EXTERN Cursor save_cursor; #define SRC_WARNINGS_SILENT 0 #define SRC_WARNINGS_MEDIUM 1 #define SRC_WARNINGS_VERBOSE 2 #endif /* END CHUNK xdvi.h 1 */ /* * Bitmap structure for raster ops. */ struct bitmap { unsigned short w, h; /* width and height in pixels */ short bytes_wide; /* scan-line width in bytes */ char *bits; /* pointer to the bits */ }; /* * Per-character information. * There is one of these for each character in a font (raster fonts only). * All fields are filled in at font definition time, * except for the bitmap, which is "faulted in" * when the character is first referenced. */ struct glyph { long addr; /* address of bitmap in font file */ long dvi_adv; /* DVI units to move reference point */ short x, y; /* x and y offset in pixels */ struct bitmap bitmap; /* bitmap for character */ short x2, y2; /* x and y offset in pixels (shrunken bitmap) */ #ifdef GREY XImage *image2; char *pixmap2; char *pixmap2_t; #endif struct bitmap bitmap2; /* shrunken bitmap for character */ }; /* * Per character information for virtual fonts */ struct macro { ubyte *pos; /* address of first byte of macro */ ubyte *end; /* address of last+1 byte */ long dvi_adv; /* DVI units to move reference point */ Boolean free_me; /* if free(pos) should be called when */ /* freeing space */ }; /* * The layout of a font information block. * There is one of these for every loaded font or magnification thereof. * Duplicates are eliminated: this is necessary because of possible recursion * in virtual fonts. * * Also note the strange units. The design size is in 1/2^20 point * units (also called micro-points), and the individual character widths * are in the TFM file in 1/2^20 ems units, i.e., relative to the design size. * * We then change the sizes to SPELL units (unshrunk pixel / 2^16). */ #define NOMAGSTP (-29999) typedef void (*read_char_proc) ARGS((register struct font *, wide_ubyte)); struct font { struct font *next; /* link to next font info block */ char *fontname; /* name of font */ float fsize; /* size information (dots per inch) */ int magstepval; /* magstep number * two, or NOMAGSTP */ FILE *file; /* open font file or NULL */ char *filename; /* name of font file */ long checksum; /* checksum */ unsigned short timestamp; /* for LRU management of fonts */ ubyte flags; /* flags byte (see values below) */ #ifdef Omega wide_ubyte maxchar; /* largest character code */ #else ubyte maxchar; /* largest character code */ #endif /* BEGIN CHUNK xdvi.h 2 */ #ifdef SRC_SPECIALS float pt_size; /* font size in pt, needed for specials evaluation */ #endif /* END CHUNK xdvi.h 2 */ double dimconv; /* size conversion factor */ set_char_proc set_char_p; /* proc used to set char */ /* these fields are used by (loaded) raster fonts */ read_char_proc read_char; /* function to read bitmap */ struct glyph *glyph; /* these fields are used by (loaded) virtual fonts */ struct font **vf_table; /* list of fonts used by this vf */ struct tn *vf_chain; /* ditto, if TeXnumber >= VFTABLELEN */ struct font *first_font; /* first font defined */ struct macro *macro; /* I suppose the above could be put into a union, but we */ /* wouldn't save all that much space. */ /* These were added for t1 use */ int t1id; long scale; }; #define FONT_IN_USE 1 /* used for housekeeping */ #define FONT_LOADED 2 /* if font file has been read */ #define FONT_VIRTUAL 4 /* if font is virtual */ #define TNTABLELEN 30 /* length of TeXnumber array (dvi file) */ #define VFTABLELEN 5 /* length of TeXnumber array (virtual fonts) */ struct tn { struct tn *next; /* link to next TeXnumber info block */ int TeXnumber; /* font number (in DVI file) */ struct font *fontp; /* pointer to the rest of the info */ }; EXTERN struct font *tn_table[TNTABLELEN]; EXTERN struct font *font_head INIT(NULL); EXTERN struct tn *tn_head INIT(NULL); #ifdef Omega EXTERN wide_ubyte maxchar; #else EXTERN ubyte maxchar; #endif EXTERN unsigned short current_timestamp INIT(0); /* * Command line flags. */ extern struct _resource { #if CFGFILE && TOOLKIT _Xconst char *progname; #endif #if TOOLKIT int shrinkfactor; #endif int _density; #ifdef GREY float _gamma; #endif int _pixels_per_inch; Boolean _delay_rulers; int _tick_length; char *_tick_units; _Xconst char *sidemargin; _Xconst char *topmargin; _Xconst char *xoffset; _Xconst char *yoffset; _Xconst char *paper; _Xconst char *_alt_font; Boolean makepk; _Xconst char *mfmode; Boolean _list_fonts; Boolean reverse; Boolean _warn_spec; Boolean _hush_chars; Boolean _hush_chk; Boolean safer; #if defined(VMS) || !defined(TOOLKIT) _Xconst char *fore_color; _Xconst char *back_color; #endif Pixel _fore_Pixel; Pixel _back_Pixel; #ifdef TOOLKIT Pixel _brdr_Pixel; Pixel _hl_Pixel; Pixel _cr_Pixel; #endif _Xconst char *icon_geometry; Boolean keep_flag; Boolean copy; Boolean thorough; #if PS /* default is to use DPS, then NEWS, then GhostScript; * we will figure out later on which one we will use */ Boolean _postscript; Boolean prescan; Boolean allow_shell; #ifdef PS_DPS Boolean useDPS; #endif #ifdef PS_NEWS Boolean useNeWS; #endif #ifdef PS_GS Boolean useGS; Boolean gs_safer; Boolean gs_alpha; _Xconst char *gs_path; _Xconst char *gs_palette; #endif #endif /* PS */ _Xconst char *debug_arg; Boolean version_flag; #ifdef BUTTONS Boolean expert; int shrinkbutton[4]; #endif _Xconst char *mg_arg[5]; #ifdef GREY Boolean _use_grey; Bool3 install; #endif #ifdef GRID int _grid_mode; char *grid1_color, *grid2_color, *grid3_color; #ifdef TOOLKIT Pixel _grid1_Pixel, _grid2_Pixel, _grid3_Pixel; #endif /* TOOLKIT */ #endif /* GRID */ #ifdef HTEX Boolean _underline_link; char *_browser; char *_URLbase; char *_scroll_pages; #endif /* HTEX */ /* BEGIN CHUNK xdvi.h 3 */ #ifdef SRC_SPECIALS int _src_specialFormat; int _src_jumpButton; int _src_tickShape; char *_src_tickSize; int _src_cursor_shape; char *_src_editorCommand; int _src_warn_verbosity; Boolean _src_tickVisibility; Boolean _src_evalMode; #endif /* END CHUNK xdvi.h 3 */ } resource; /* As a convenience, we define the field names without leading underscores * to point to the field of the above record. Here are the global ones; * the local ones are defined in each module. */ /* BEGIN CHUNK xdvi.h 4 */ #ifdef SRC_SPECIALS #define src_cursor_shape resource._src_cursor_shape #define src_editorCommand resource._src_editorCommand #define src_warn_verbosity resource._src_warn_verbosity #define src_tickShape resource._src_tickShape #define src_tickVisibility resource._src_tickVisibility #define src_evalMode resource._src_evalMode #endif /* END CHUNK xdvi.h 4 */ #define density resource._density #define pixels_per_inch resource._pixels_per_inch #define alt_font resource._alt_font #define list_fonts resource._list_fonts #define warn_spec resource._warn_spec #define hush_chars resource._hush_chars #define hush_chk resource._hush_chk #ifdef GREY #define use_grey resource._use_grey #endif #ifdef GRID #define grid_mode resource._grid_mode #endif /* GRID */ #ifdef HTEX #define underline_link resource._underline_link #define browser resource._browser #define URLbase resource._URLbase #define scroll_pages resource._scroll_pages #define KPSE_DEBUG_HYPER 6 #endif #ifndef TOOLKIT EXTERN Pixel brdr_Pixel; #ifdef GRID EXTERN Pixel grid1_Pixel; EXTERN Pixel grid2_Pixel; EXTERN Pixel grid3_Pixel; #endif /* GRID */ #endif #ifdef GREY EXTERN Pixel plane_masks[4]; EXTERN XColor fore_color_data, back_color_data; #endif extern struct mg_size_rec { int w; int h; } mg_size[5]; EXTERN int debug INIT(0); #define DBG_BITMAP 1 #define DBG_DVI 2 #define DBG_PK 4 #define DBG_BATCH 8 #define DBG_EVENT 16 #define DBG_OPEN 32 #define DBG_PS 64 #define DBG_STAT 128 #define DBG_HASH 256 #define DBG_PATHS 512 #define DBG_EXPAND 1024 #define DBG_SEARCH 2048 #ifdef HTEX #define DBG_HYPER 4096 #define DBG_ANCHOR 8192 #endif /* BEGIN CHUNK xdvi.h 5 */ #ifdef SRC_SPECIALS #define DBG_SRC_SPECIALS 16384 #endif /* END CHUNK xdvi.h 5 */ #define DBG_ALL (~DBG_BATCH) EXTERN int offset_x, offset_y; EXTERN unsigned int unshrunk_paper_w, unshrunk_paper_h; EXTERN unsigned int unshrunk_page_w, unshrunk_page_h; #ifdef GRID EXTERN unsigned int unshrunk_paper_unit; #endif /* GRID */ #ifdef HTEX EXTERN int HTeXnext_extern; /* Bring up next file in new xdvi window */ EXTERN char *temporary_dir INIT(NULL); EXTERN char *anchor_name INIT(NULL); EXTERN Boolean URL_aware INIT(False); EXTERN Boolean highlight INIT(False); extern int HTeXAnestlevel; /* Hypertext nesting level */ extern int HTeXreflevel; /* flag for whether we are inside an href */ #endif EXTERN char *dvi_name INIT(NULL); EXTERN FILE *dvi_file; /* user's file */ EXTERN _Xconst char *prog; EXTERN int bak_shrink; /* last shrink factor != 1 */ EXTERN Dimension window_w, window_h; EXTERN XImage *image; EXTERN int backing_store; EXTERN int home_x, home_y; EXTERN Display *DISP; EXTERN Screen *SCRN; #ifdef GREY EXTERN int screen_number; EXTERN Visual *our_visual; EXTERN unsigned int our_depth; EXTERN Colormap our_colormap; EXTERN GC copyGC; #else #define our_depth (unsigned int) DefaultDepthOfScreen(SCRN) #define our_visual DefaultVisualOfScreen(SCRN) #define our_colormap DefaultColormapOfScreen(SCRN) #define copyGC DefaultGCOfScreen(SCRN) #endif EXTERN GC ruleGC; EXTERN GC foreGC, highGC; EXTERN GC foreGC2; #ifdef GRID EXTERN GC grid1GC, grid2GC, grid3GC; #endif /* GRID */ EXTERN Boolean copy; EXTERN Cursor redraw_cursor, ready_cursor; /* BEGIN CHUNK xdvi.h 6 */ #ifdef SRC_SPECIALS EXTERN Cursor src_cursor; #endif /* END CHUNK xdvi.h 6 */ #ifdef GREY EXTERN Pixel *pixeltbl; EXTERN Pixel *pixeltbl_t; #endif /* GREY */ EXTERN Boolean canit INIT(False); EXTERN jmp_buf canit_env; EXTERN VOLATILE short event_counter INIT(0); EXTERN Boolean terminate_flag INIT(False); struct WindowRec { Window win; int shrinkfactor; int base_x, base_y; unsigned int width, height; int min_x, max_x, min_y, max_y; /* for pending expose events */ }; extern struct WindowRec mane, alt, currwin; EXTERN int min_x, max_x, min_y, max_y; #define shrink_factor currwin.shrinkfactor #ifdef TOOLKIT EXTERN Widget top_level, vport_widget, draw_widget, clip_widget; #ifdef HTEX EXTERN Widget pane_widget, anchor_search, anchor_info; #endif #ifdef MOTIF EXTERN Widget shrink_button[4]; EXTERN Widget x_bar, y_bar; /* horizontal and vert. scroll bars */ #endif /* MOTIF */ #ifdef BUTTONS #ifndef MOTIF #define XTRA_WID 79 #else #define XTRA_WID 120 #endif EXTERN Widget form_widget; #endif #else /* !TOOLKIT */ EXTERN Window top_level; #define BAR_WID 12 /* width of darkened area */ #define BAR_THICK 15 /* gross amount removed */ #endif /* TOOLKIT */ EXTERN jmp_buf dvi_env; /* mechanism to relay dvi file errors */ EXTERN _Xconst char *dvi_oops_msg; /* error message */ EXTERN char *ffline INIT(NULL); /* an array used by filefind to store */ /* the file name being formed. */ /* It expands as needed. */ /* Also used elsewhere. */ EXTERN int ffline_len INIT(0); /* current length of ffline[] */ #ifdef SELFAUTO EXTERN _Xconst char *argv0; /* argv[0] */ #endif #ifdef CFG2RES struct cfg2res { _Xconst char *cfgname; /* name in config file */ _Xconst char *resname; /* name of resource */ Boolean numeric; /* if numeric */ }; #endif #if PS extern struct psprocs { void (*toggle) ARGS((void)); void (*destroy) ARGS((void)); void (*interrupt) ARGS((void)); void (*endpage) ARGS((void)); void (*drawbegin) ARGS((int, int, _Xconst char *)); void (*drawraw) ARGS((_Xconst char *)); void (*drawfile) ARGS((_Xconst char *, FILE *)); void (*drawend) ARGS((_Xconst char *)); void (*beginheader) ARGS((void)); void (*endheader) ARGS((void)); void (*newdoc) ARGS((void)); } psp, no_ps_procs; #endif /* PS */ /******************************** * Procedures * *******************************/ _XFUNCPROTOBEGIN #ifdef BUTTONS extern void create_buttons ARGS((XtArgVal)); #endif #ifdef GREY extern void init_plane_masks ARGS((void)); #endif extern void init_colors ARGS((void)); extern void reconfig ARGS((void)); #ifdef TOOLKIT extern void handle_key ARGS((Widget, XtPointer, XEvent *, Boolean *)); extern void handle_resize ARGS((Widget, XtPointer, XEvent *, Boolean *)); extern void handle_button ARGS((Widget, XtPointer, XEvent *, Boolean *)); extern void handle_motion ARGS((Widget, XtPointer, XEvent *, Boolean *)); extern void handle_release ARGS((Widget, XtPointer, XEvent *, Boolean *)); extern void handle_exp ARGS((Widget, XtPointer, XEvent *, Boolean *)); #endif #ifdef MOTIF extern void file_pulldown_callback ARGS((Widget, XtPointer, XtPointer)); extern void navigate_pulldown_callback ARGS((Widget, XtPointer, XtPointer)); extern void scale_pulldown_callback ARGS((Widget, XtPointer, XtPointer)); extern void set_shrink_factor ARGS((int)); #endif extern void showmessage ARGS((_Xconst char *)); #if PS extern void ps_read_events ARGS((wide_bool, wide_bool)); #define read_events(wait) ps_read_events(wait, True) #else extern void read_events ARGS((wide_bool)); #endif extern void redraw_page ARGS((void)); extern void do_pages ARGS((void)); extern void reset_fonts ARGS((void)); extern void realloc_font ARGS((struct font *, wide_ubyte)); extern void realloc_virtual_font ARGS((struct font *, wide_ubyte)); extern Boolean load_font ARGS((struct font *)); extern struct font *define_font ARGS((FILE *, wide_ubyte, struct font *, struct font **, unsigned int, struct tn **)); extern void init_page ARGS((void)); extern void open_dvi_file ARGS((void)); extern Boolean check_dvi_file ARGS((void)); #ifdef GRID extern void put_grid ARGS((int, int, unsigned int, unsigned int, unsigned int, GC, GC, GC)); #endif /* GRID */ #ifndef TEXXET extern long set_char ARGS((wide_ubyte)); extern long load_n_set_char ARGS((wide_ubyte)); extern long set_vf_char ARGS((wide_ubyte)); extern long set_t1_char P1H(wide_ubyte); #else extern void set_char ARGS((wide_ubyte, wide_ubyte)); extern void load_n_set_char ARGS((wide_ubyte, wide_ubyte)); extern void set_vf_char ARGS((wide_ubyte, wide_ubyte)); extern void set_t1_char P2H(wide_ubyte, wide_ubyte); #endif extern int tfmload P3H(char *, long *, long *); extern void read_T1_char P2H(struct font *, ubyte); extern int find_T1_font P1H(char *); extern int getpsinfo P1H(char *); extern void draw_page P1H(void); extern void init_t1 P1H(void); #if CFGFILE #ifndef CFG2RES extern void readconfig ARGS((void)); #else extern void readconfig ARGS((_Xconst struct cfg2res *, _Xconst struct cfg2res *, XtResource *, XtResource *)); #endif /* CFG2RES */ #endif /* CFGFILE */ extern void init_font_open ARGS((void)); extern FILE *font_open P7H(char *, char **, double, int *, int, char **,int *); #if PS extern void ps_newdoc ARGS((void)); extern void ps_destroy ARGS((void)); #endif extern void applicationDoSpecial ARGS((char *)); #if PS extern void scan_special ARGS((char *)); #endif extern NORETURN void oops ARGS((_Xconst char *message, ...)); #ifndef KPATHSEA extern void *xmalloc ARGS((unsigned)); extern void *xrealloc ARGS((void *, unsigned)); extern char *xstrdup ARGS((_Xconst char *, int)); extern char *xmemdump ARGS((_Xconst char *, int)); #endif extern void expandline ARGS((int)); extern void alloc_bitmap ARGS((struct bitmap *)); #ifndef KPATHSEA extern void xputenv ARGS((_Xconst char *, _Xconst char *)); #endif extern int memicmp ARGS((_Xconst char *, _Xconst char *, size_t)); extern FILE *xfopen P2H(char *, OPEN_MODE_ARGS); #ifdef HTEX extern FILE *xfopen_local P2H(char *, OPEN_MODE_ARGS); #else #define xfopen_local xfopen #endif extern int xpipe ARGS((int *)); extern DIR *xdvi_xopendir ARGS((_Xconst char *)); extern _Xconst struct passwd *ff_getpw ARGS((_Xconst char **, _Xconst char *)); extern unsigned long num ARGS((FILE *, int)); extern long snum ARGS((FILE *, int)); extern void read_PK_index ARGS((struct font *, wide_bool)); extern void read_GF_index ARGS((struct font *, wide_bool)); #ifdef Omega extern unsigned long read_VF_index ARGS((struct font *, wide_bool)); #else extern void read_VF_index ARGS((struct font *, wide_bool)); #endif #if PS extern void drawbegin_none ARGS((int, int, _Xconst char *)); extern void draw_bbox ARGS((void)); extern void NullProc ARGS((void)); #ifdef PS_DPS extern Boolean initDPS ARGS((void)); #endif #ifdef PS_NEWS extern Boolean initNeWS ARGS((void)); #endif #ifdef PS_GS extern Boolean initGS ARGS((void)); #endif #endif /* PS */ #ifdef HTEX extern int open_www_file ARGS((void)); extern void htex_can_it ARGS((void)); extern void search_callback ARGS((Widget, XtPointer, XtPointer)); extern void detach_anchor ARGS((void)); extern char *MyStrAllocCopy ARGS((char **, char *)); extern int pointerlocate ARGS((int *, int *)); extern void htex_recordbits ARGS((int, int, int, int)); extern void htex_initpage ARGS((void)); extern void htex_donepage ARGS((int, int)); extern void htex_parsepages ARGS((void)); extern void htex_parse_page ARGS((int)); extern void htex_scanpage ARGS((int)); extern void htex_scanpage ARGS((int)); extern void htex_dospecial ARGS((long, int)); extern void htex_reinit ARGS((void)); extern void htex_do_loc ARGS((char *)); extern void add_search ARGS((char *, int)); extern int htex_handleref ARGS((int, int, int)); extern void htex_displayanchor ARGS((int, int, int)); extern void htex_goback ARGS((void)); extern int checkHyperTeX ARGS((char *, int)); extern void htex_handletag ARGS((char *, int)); extern void htex_anchor ARGS((int, char *, int)); extern void htex_dohref ARGS((char *)); extern void htex_drawboxes ARGS((void)); extern void htex_to_page ARGS((int)); extern void htex_to_anchor ARGS((int, int)); extern int htex_is_url ARGS((const char *)); extern void htex_do_url ARGS((char *)); extern void paint_anchor ARGS((char *)); extern int fetch_relative_url ARGS((char *, const char *, char *)); extern void wait_for_urls ARGS((void)); char *figure_mime_type ARGS((char *)); #endif /* BEGIN CHUNK xdvi.h 7 */ #ifdef SRC_SPECIALS /* functions in src_special.c */ extern void src_find_special ARGS((int, Position, Position)); extern void src_delete_all_specials ARGS((void)); extern void src_warn_outdated ARGS((void)); extern void src_eval_special ARGS((char *, Position, Position)); extern void src_check_editorCommand ARGS((void)); extern void src_cleanup ARGS((void)); // extern void src_do_special ARGS((float)); extern float src_look_forward ARGS((double)); #endif /* END CHUNK xdvi.h 7 */ #if !HAVE_TEMPNAM char *tempnam ARGS((char *, char *)) #endif _XFUNCPROTOEND #define one(fp) ((unsigned char) getc(fp)) #define sone(fp) ((long) one(fp)) #define two(fp) num (fp, 2) #define stwo(fp) snum(fp, 2) #define four(fp) num (fp, 4) #define sfour(fp) snum(fp, 4) #ifdef HTEX /* From xhdvi/url.h */ /* Some URL stuff: */ typedef struct { char *url; /* Full address of the URL we have locally */ char *file; /* Local file name it is stored as */ } FiletoURLconv; #define FILELISTCHUNK 20 EXTERN FiletoURLconv *filelist INIT(NULL); EXTERN int nURLs INIT(0); #endif /* HTEX */ #endif /* XDVI_H */