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/cvs/cvsroot/rxvt-unicode/src/rxvt.h
Revision: 1.426
Committed: Tue Jan 4 23:12:10 2011 UTC (13 years, 6 months ago) by sf-exg
Content type: text/plain
Branch: MAIN
Changes since 1.425: +2 -4 lines
Log Message:
Remove configure test and fallback definition for XPointer.

File Contents

# Content
1 #ifndef RXVT_H_ /* include once only */
2 #define RXVT_H_
3
4 #include <cstdio>
5 #include <cctype>
6 #include <cerrno>
7 #include <cstdarg>
8 #include <cstdlib>
9 #ifdef HAVE_STDINT_H
10 #include <stdint.h>
11 #endif
12 #include <sys/types.h>
13 #include <unistd.h>
14 #include <cstring>
15 #include <assert.h>
16 #ifdef HAVE_SYS_IOCTL_H
17 #include <sys/ioctl.h>
18 #endif
19 #ifdef HAVE_SYS_STRREDIR_H
20 #include <sys/strredir.h>
21 #endif
22
23 #if HAVE_CWCHAR
24 # include <cwchar>
25 #elif HAVE_WCHAR_H
26 # include <wchar.h>
27 #else
28 // stdlib.h might provide it
29 #endif
30
31 using namespace std;
32
33 // we assume that Xlib.h defines XPointer, and it does since at least 1994...
34
35 extern "C" {
36 #include <X11/Xlib.h>
37 #include <X11/Xutil.h>
38 #include <X11/Xresource.h>
39 }
40
41 #if UNICODE_3
42 typedef uint32_t text_t;
43 #else
44 typedef uint16_t text_t; // saves lots of memory
45 #endif
46 typedef uint32_t rend_t;
47 typedef int32_t tlen_t; // was int16_t, but this results in smaller code and memory use
48 typedef int32_t tlen_t_; // specifically for use in the line_t structure
49
50 #include "feature.h"
51
52 #if defined (ISO_14755) || defined (ENABLE_PERL)
53 # define ENABLE_OVERLAY 1
54 #endif
55
56 #if ENABLE_PERL
57 # define ENABLE_FRILLS 1
58 # define ENABLE_COMBINING 1
59 #endif
60
61 #if ENABLE_FRILLS
62 # define ENABLE_XEMBED 1
63 # define ENABLE_EWMH 1
64 # define ENABLE_XIM_ONTHESPOT 1
65 # define CURSOR_BLINK 1
66 # define OPTION_HC 1
67 # define BUILTIN_GLYPHS 1
68 #else
69 # define ENABLE_MINIMAL 1
70 #endif
71
72 #include <limits.h>
73
74 #include <X11/cursorfont.h>
75 #include <X11/keysym.h>
76 #include <X11/keysymdef.h>
77 #include <X11/Xatom.h>
78
79 #include "encoding.h"
80 #include "rxvtutil.h"
81 #include "rxvtfont.h"
82 #include "rxvttoolkit.h"
83 #include "scrollbar.h"
84 #include "ev_cpp.h"
85 #include "salloc.h"
86 #include "libptytty.h"
87
88 #include "rxvtperl.h"
89
90 // try to avoid some macros to decrease code size, on some systems
91 #if ENABLE_MINIMAL
92 # define strcmp(a,b) (strcmp)(a,b)
93 # define strlen(a) (strlen)(a)
94 # define strcpy(a,b) (strcpy)(a,b)
95 # define memset(a,c,l) (memset)(a,c,l)
96 # define memcpy(a,b,l) (memcpy)(a,b,l)
97 #endif
98
99 /*
100 *****************************************************************************
101 * SYSTEM HACKS
102 *****************************************************************************
103 */
104
105 #include <termios.h>
106
107 #include "background.h"
108
109 #ifndef STDIN_FILENO
110 # define STDIN_FILENO 0
111 # define STDOUT_FILENO 1
112 # define STDERR_FILENO 2
113 #endif
114
115 #ifndef EXIT_SUCCESS /* missing from <stdlib.h> */
116 # define EXIT_SUCCESS 0 /* exit function success */
117 # define EXIT_FAILURE 1 /* exit function failure */
118 #endif
119
120 #ifndef PATH_MAX
121 # define PATH_MAX 16384
122 #endif
123
124 /****************************************************************************/
125
126 // exception thrown on fatal (per-instance) errors
127 class rxvt_failure_exception { };
128
129 // exception thrown when the command parser runs out of input data
130 class out_of_input { };
131
132 /*
133 *****************************************************************************
134 * PROTOTYPES
135 *****************************************************************************
136 */
137 // main.C
138 #define SET_LOCALE(locale) rxvt_set_locale (locale)
139 extern bool rxvt_set_locale (const char *locale) NOTHROW;
140 extern void rxvt_push_locale (const char *locale) NOTHROW;
141 extern void rxvt_pop_locale () NOTHROW;
142 void rxvt_init ();
143
144 // misc.C
145 char * rxvt_wcstombs (const wchar_t *str, int len = -1);
146 wchar_t * rxvt_mbstowcs (const char *str, int len = -1);
147 char * rxvt_wcstoutf8 (const wchar_t *str, int len = -1);
148 wchar_t * rxvt_utf8towcs (const char *str, int len = -1);
149
150 const char * rxvt_basename (const char *str) NOTHROW;
151 void rxvt_vlog (const char *fmt, va_list arg_ptr) NOTHROW;
152 void rxvt_log (const char *fmt,...) NOTHROW;
153 void rxvt_warn (const char *fmt,...) NOTHROW;
154 void rxvt_fatal (const char *fmt, ...) THROW ((class rxvt_failure_exception)) NORETURN;
155 void rxvt_exit_failure () THROW ((class rxvt_failure_exception)) NORETURN;
156
157 char * rxvt_strtrim (char *str) NOTHROW;
158 char ** rxvt_splitcommastring (const char *cs) NOTHROW;
159 void rxvt_freecommastring (char **cs) NOTHROW;
160
161 void * rxvt_malloc (size_t size);
162 void * rxvt_calloc (size_t number, size_t size);
163 void * rxvt_realloc (void *ptr, size_t size);
164
165 /////////////////////////////////////////////////////////////////////////////
166
167 // temporarily replace the process environment
168 extern char **environ;
169 extern char **rxvt_environ; // the original environ pointer
170
171 static inline void
172 set_environ (stringvec *envv)
173 {
174 #if ENABLE_PERL
175 assert (envv);
176 #else
177 if (envv)
178 #endif
179 environ = (char **)envv->begin ();
180 }
181
182 static inline void
183 set_environ (char **envv)
184 {
185 #if ENABLE_PERL
186 assert (envv);
187 #else
188 if (envv)
189 #endif
190 environ = envv;
191 }
192
193 struct localise_env
194 {
195 char **orig_env;
196
197 localise_env (char **new_env)
198 {
199 orig_env = environ;
200 environ = new_env;
201 }
202
203 ~localise_env ()
204 {
205 environ = orig_env;
206 }
207 };
208
209 /*
210 *****************************************************************************
211 * STRUCTURES AND TYPEDEFS
212 *****************************************************************************
213 */
214
215 /*
216 * the 'essential' information for reporting Mouse Events
217 * pared down from XButtonEvent
218 */
219 struct mouse_event
220 {
221 int clicks;
222 Time time; /* milliseconds */
223 unsigned int state; /* key or button mask */
224 unsigned int button; /* detail */
225 };
226
227 #if ENABLE_XEMBED
228 // XEMBED messages
229 # define XEMBED_EMBEDDED_NOTIFY 0
230 # define XEMBED_WINDOW_ACTIVATE 1
231 # define XEMBED_WINDOW_DEACTIVATE 2
232 # define XEMBED_REQUEST_FOCUS 3
233 # define XEMBED_FOCUS_IN 4
234 # define XEMBED_FOCUS_OUT 5
235 # define XEMBED_FOCUS_NEXT 6
236 # define XEMBED_FOCUS_PREV 7
237
238 # define XEMBED_MODALITY_ON 10
239 # define XEMBED_MODALITY_OFF 11
240 # define XEMBED_REGISTER_ACCELERATOR 12
241 # define XEMBED_UNREGISTER_ACCELERATOR 13
242 # define XEMBED_ACTIVATE_ACCELERATOR 14
243
244 // XEMBED detail code
245 # define XEMBED_FOCUS_CURRENT 0
246 # define XEMBED_FOCUS_FIRST 1
247 # define XEMBED_FOCUS_LAST 2
248
249 # define XEMBED_MAPPED (1 << 0)
250 #endif
251
252 /*
253 *****************************************************************************
254 * NORMAL DEFINES
255 *****************************************************************************
256 */
257
258 /* COLORTERM, TERM environment variables */
259 #define COLORTERMENV "rxvt"
260 #ifdef BG_IMAGE_FROM_FILE
261 # define COLORTERMENVFULL COLORTERMENV "-xpm"
262 #else
263 # define COLORTERMENVFULL COLORTERMENV
264 #endif
265 #ifndef TERMENV
266 # if USE_256_COLORS
267 # define TERMENV "rxvt-unicode-256color"
268 # else
269 # define TERMENV "rxvt-unicode"
270 # endif
271 #endif
272
273 #if defined (NO_MOUSE_REPORT) && !defined (NO_MOUSE_REPORT_SCROLLBAR)
274 # define NO_MOUSE_REPORT_SCROLLBAR 1
275 #endif
276
277 #define scrollBar_esc 30
278
279 #if !defined (RXVT_SCROLLBAR) && !defined (NEXT_SCROLLBAR)
280 # define NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING 1
281 #endif
282
283 enum {
284 NO_REFRESH = 0, /* Window not visible at all! */
285 FAST_REFRESH = 1, /* Fully exposed window */
286 SLOW_REFRESH = 2, /* Partially exposed window */
287 };
288
289 #ifdef NO_SECONDARY_SCREEN
290 # define NSCREENS 0
291 #else
292 # define NSCREENS 1
293 #endif
294
295 /* special (internal) prefix for font commands */
296 #define FONT_CMD '#'
297 #define FONT_DN "#-"
298 #define FONT_UP "#+"
299
300 /* flags for rxvt_scr_gotorc () */
301 enum {
302 C_RELATIVE = 1, /* col movement is relative */
303 R_RELATIVE = 2, /* row movement is relative */
304 RELATIVE = C_RELATIVE | R_RELATIVE,
305 };
306
307 /* modes for rxvt_scr_insdel_chars (), rxvt_scr_insdel_lines () */
308 enum {
309 INSERT = -1, /* don't change these values */
310 DELETE = +1,
311 ERASE = +2,
312 };
313
314 /* modes for rxvt_scr_page () - scroll page. used by scrollbar window */
315 enum page_dirn {
316 UP,
317 DN,
318 NO_DIR,
319 };
320
321 /* arguments for rxvt_scr_change_screen () */
322 enum {
323 PRIMARY = 0,
324 SECONDARY,
325 };
326
327 // define various rendition bits and masks. the rendition word
328 // is 32 bits in size, and we should use it as efficiently as possible
329
330 #define RS_None 0
331
332 // GET_BGATTR depends on RS_fgShift > RS_bgShift
333 #define RS_colorMask ((1UL << Color_Bits) - 1UL)
334 #define RS_bgShift 0
335 #define RS_fgShift (RS_bgShift + Color_Bits)
336 #define RS_bgMask (RS_colorMask << RS_bgShift)
337 #define RS_fgMask (RS_colorMask << RS_fgShift)
338
339 // must have space for rxvt_fontset::fontCount * 2 + 2 values
340 #define RS_fontShift (RS_fgShift + Color_Bits)
341 #define RS_Careful (1UL << RS_fontShift) /* be careful when drawing these */
342 #define RS_fontCount rxvt_fontset::fontCount
343 #define RS_fontMask ((RS_fontCount << (RS_fontShift + 1)) | RS_Careful) // includes RS_Careful
344
345 // toggle this to force redraw, must be != RS_Careful and otherwise "pretty neutral"
346 #define RS_redraw (2UL << RS_fontShift)
347
348 #define RS_Sel (1UL << 22)
349
350 // 4 custom bits for extensions
351 #define RS_customCount 16UL
352 #define RS_customShift 23
353 #define RS_customMask ((RS_customCount - 1UL) << RS_customShift)
354
355 // font styles
356 #define RS_Bold (1UL << RS_styleShift)
357 #define RS_Italic (2UL << RS_styleShift)
358
359 #define RS_styleCount 4
360 #define RS_styleShift 27
361 #define RS_styleMask (RS_Bold | RS_Italic)
362
363 // fake styles
364 #define RS_Blink (1UL << 29)
365 #define RS_RVid (1UL << 30) // reverse video
366 #define RS_Uline (1UL << 31) // underline
367
368 #define RS_baseattrMask (RS_Italic | RS_Bold | RS_Blink | RS_RVid | RS_Uline)
369 #define RS_attrMask (RS_baseattrMask | RS_fontMask)
370
371 #define DEFAULT_RSTYLE (RS_None | (Color_fg << RS_fgShift) | (Color_bg << RS_bgShift))
372 #define OVERLAY_RSTYLE (RS_None | (Color_Black << RS_fgShift) | (Color_Yellow << RS_bgShift))
373
374 #define Sel_none 0 /* Not waiting */
375 #define Sel_normal 0x01 /* normal selection */
376 #define Sel_incr 0x02 /* incremental selection */
377 #define Sel_direct 0x00
378 #define Sel_Primary 0x01
379 #define Sel_Secondary 0x02
380 #define Sel_Clipboard 0x03
381 #define Sel_whereMask 0x0f
382 #define Sel_CompoundText 0x10 /* last request was COMPOUND_TEXT */
383 #define Sel_UTF8String 0x20 /* last request was UTF8_STRING */
384
385 enum {
386 C0_NUL = 0x00,
387 C0_SOH, C0_STX, C0_ETX, C0_EOT, C0_ENQ, C0_ACK, C0_BEL,
388 C0_BS , C0_HT , C0_LF , C0_VT , C0_FF , C0_CR , C0_SO , C0_SI ,
389 C0_DLE, C0_DC1, C0_DC2, D0_DC3, C0_DC4, C0_NAK, C0_SYN, C0_ETB,
390 C0_CAN, C0_EM , C0_SUB, C0_ESC, C0_IS4, C0_IS3, C0_IS2, C0_IS1,
391 };
392 #define CHAR_ST 0x9c /* 0234 */
393
394 /*
395 * XTerm Operating System Commands: ESC ] Ps;Pt (ST|BEL)
396 * colour extensions by Christian W. Zuckschwerdt <zany@triq.net>
397 */
398 enum {
399 XTerm_name = 0,
400 XTerm_iconName = 1,
401 XTerm_title = 2,
402 XTerm_property = 3, // change X property
403 XTerm_Color = 4, // change colors
404 XTerm_Color00 = 10, // change fg color
405 XTerm_Color01 = 11, // change bg color
406 XTerm_Color_cursor = 12, // change actual 'Cursor' color
407 XTerm_Color_pointer_fg = 13, // change actual 'Pointer' fg color
408 XTerm_Color_pointer_bg = 14, // change actual 'Pointer' bg color
409 XTerm_Color05 = 15, // not implemented (tektronix fg)
410 XTerm_Color06 = 16, // not implemented (tektronix bg)
411 XTerm_Color_HC = 17, // change actual 'Highlight' bg color
412 XTerm_Color_HTC = 19, // change actual 'Highlight' fg color
413 XTerm_logfile = 46, // not implemented
414 XTerm_font = 50,
415
416 XTerm_konsole30 = 30, // reserved for konsole
417 XTerm_konsole31 = 31, // reserved for konsole
418 XTerm_emacs51 = 51, // reserved for emacs shell
419 /*
420 * rxvt extensions of XTerm OSCs: ESC ] Ps;Pt (ST|BEL)
421 */
422
423 // deprecated
424 Rxvt_restoreFG = 39,
425 Rxvt_restoreBG = 49,
426
427 Rxvt_Pixmap = 20, // new bg pixmap
428 Rxvt_dumpscreen = 55, // dump scrollback and all of screen
429
430 URxvt_locale = 701, // change locale
431 URxvt_version = 702, // request version
432
433 URxvt_Color_IT = 704, // change actual 'Italic' colour
434 URxvt_Color_tint = 705, // change actual tint colour
435 URxvt_Color_BD = 706, // change actual 'Bold' color
436 URxvt_Color_UL = 707, // change actual 'Underline' color
437 URxvt_Color_border = 708,
438
439 URxvt_font = 710,
440 URxvt_boldFont = 711,
441 URxvt_italicFont = 712,
442 URxvt_boldItalicFont = 713,
443
444 URxvt_view_up = 720,
445 URxvt_view_down = 721,
446
447 URxvt_perl = 777, // for use by perl extensions, starts with "extension-name;"
448 };
449
450 /* Words starting with `Color_' are colours. Others are counts */
451 /*
452 * The PixColor and rendition colour usage should probably be decoupled
453 * on the unnecessary items, e.g. Color_pointer, but won't bother
454 * until we need to. Also, be aware of usage in pixcolor_set
455 */
456
457 enum colour_list {
458 Color_none = -2,
459 Color_transparent = -1,
460 Color_fg = 0,
461 Color_bg,
462 minCOLOR, /* 2 */
463 Color_Black = minCOLOR,
464 Color_Red3,
465 Color_Green3,
466 Color_Yellow3,
467 Color_Blue3,
468 Color_Magenta3,
469 Color_Cyan3,
470 maxCOLOR, /* minCOLOR + 7 */
471 #ifndef NO_BRIGHTCOLOR
472 Color_AntiqueWhite = maxCOLOR,
473 minBrightCOLOR, /* maxCOLOR + 1 */
474 Color_Grey25 = minBrightCOLOR,
475 Color_Red,
476 Color_Green,
477 Color_Yellow,
478 Color_Blue,
479 Color_Magenta,
480 Color_Cyan,
481 maxBrightCOLOR, /* minBrightCOLOR + 7 */
482 Color_White = maxBrightCOLOR,
483 #else
484 Color_White = maxCOLOR,
485 #endif
486 minTermCOLOR = Color_White + 1,
487 #if USE_256_COLORS
488 maxTermCOLOR = Color_White + 240,
489 #else
490 maxTermCOLOR = Color_White + 72,
491 #endif
492 #ifndef NO_CURSORCOLOR
493 Color_cursor,
494 Color_cursor2,
495 #endif
496 Color_pointer_fg,
497 Color_pointer_bg,
498 Color_border,
499 #ifndef NO_BOLD_UNDERLINE_REVERSE
500 Color_BD,
501 Color_IT,
502 Color_UL,
503 Color_RV,
504 #endif
505 #if ENABLE_FRILLS
506 Color_underline,
507 #endif
508 #ifdef OPTION_HC
509 Color_HC,
510 Color_HTC,
511 #endif
512 Color_scroll,
513 #ifdef RXVT_SCROLLBAR
514 Color_trough,
515 #endif
516 #if ENABLE_TRANSPARENCY
517 Color_tint,
518 #endif
519 #if OFF_FOCUS_FADING
520 Color_fade,
521 #endif
522 NRS_COLORS, /* */
523 #ifdef RXVT_SCROLLBAR
524 Color_topShadow = NRS_COLORS,
525 Color_bottomShadow,
526 TOTAL_COLORS
527 #else
528 TOTAL_COLORS = NRS_COLORS
529 #endif
530 };
531
532 #if USE_256_COLORS
533 # define Color_Bits 9 // 0 .. maxTermCOLOR
534 #else
535 # define Color_Bits 7 // 0 .. maxTermCOLOR
536 #endif
537
538 /*
539 * Resource list
540 */
541 enum {
542 # define def(name) Rs_ ## name,
543 # define reserve(name,count) Rs_ ## name ## _ = Rs_ ## name + (count) - 1,
544 # include "rsinc.h"
545 # undef def
546 # undef reserve
547 NUM_RESOURCES
548 };
549
550 /* DEC private modes */
551 #define PrivMode_132 (1UL<<0)
552 #define PrivMode_132OK (1UL<<1)
553 #define PrivMode_rVideo (1UL<<2)
554 #define PrivMode_relOrigin (1UL<<3)
555 #define PrivMode_Screen (1UL<<4)
556 #define PrivMode_Autowrap (1UL<<5)
557 #define PrivMode_aplCUR (1UL<<6)
558 #define PrivMode_aplKP (1UL<<7)
559 #define PrivMode_HaveBackSpace (1UL<<8)
560 #define PrivMode_BackSpace (1UL<<9)
561 #define PrivMode_ShiftKeys (1UL<<10)
562 #define PrivMode_VisibleCursor (1UL<<11)
563 #define PrivMode_MouseX10 (1UL<<12)
564 #define PrivMode_MouseX11 (1UL<<13)
565 #define PrivMode_scrollBar (1UL<<14)
566 #define PrivMode_TtyOutputInh (1UL<<15)
567 #define PrivMode_Keypress (1UL<<16)
568 #define PrivMode_smoothScroll (1UL<<17)
569 #define PrivMode_vt52 (1UL<<18)
570 #define PrivMode_LFNL (1UL<<19)
571 #define PrivMode_MouseBtnEvent (1UL<<20)
572 #define PrivMode_MouseAnyEvent (1UL<<21)
573 #define PrivMode_BracketPaste (1UL<<22)
574 #define PrivMode_ExtModeMouse (1UL<<23) // xterm pseudo-utf-8 hack
575 #define PrivMode_ExtMouseRight (1UL<<24) // xterm pseudo-utf-8, but works in non-utf-8-locales
576
577 #define PrivMode_mouse_report (PrivMode_MouseX10|PrivMode_MouseX11|PrivMode_MouseBtnEvent|PrivMode_MouseAnyEvent)
578
579 #ifdef ALLOW_132_MODE
580 # define PrivMode_Default (PrivMode_Autowrap|PrivMode_ShiftKeys|PrivMode_VisibleCursor|PrivMode_132OK)
581 #else
582 # define PrivMode_Default (PrivMode_Autowrap|PrivMode_ShiftKeys|PrivMode_VisibleCursor)
583 #endif
584
585 // do not change these constants lightly, there are many interdependencies
586 #define IMBUFSIZ 128 // input modifier buffer sizes
587 #define KBUFSZ 512 // size of keyboard mapping buffer
588 #define CBUFSIZ 2048 // size of command buffer
589 #define CBUFCNT 8 // never call pty_fill/cmd_parse more than this often in a row
590 #define UBUFSIZ 2048 // character buffer
591
592 #if ENABLE_FRILLS
593 # include <X11/Xmd.h>
594 typedef struct _mwmhints
595 {
596 CARD32 flags;
597 CARD32 functions;
598 CARD32 decorations;
599 INT32 input_mode;
600 CARD32 status;
601 } MWMHints;
602 #endif
603
604 /* Motif window hints */
605 #define MWM_HINTS_FUNCTIONS (1L << 0)
606 #define MWM_HINTS_DECORATIONS (1L << 1)
607 #define MWM_HINTS_INPUT_MODE (1L << 2)
608 #define MWM_HINTS_STATUS (1L << 3)
609 /* bit definitions for MwmHints.functions */
610 #define MWM_FUNC_ALL (1L << 0)
611 #define MWM_FUNC_RESIZE (1L << 1)
612 #define MWM_FUNC_MOVE (1L << 2)
613 #define MWM_FUNC_MINIMIZE (1L << 3)
614 #define MWM_FUNC_MAXIMIZE (1L << 4)
615 #define MWM_FUNC_CLOSE (1L << 5)
616 /* bit definitions for MwmHints.decorations */
617 #define MWM_DECOR_ALL (1L << 0)
618 #define MWM_DECOR_BORDER (1L << 1)
619 #define MWM_DECOR_RESIZEH (1L << 2)
620 #define MWM_DECOR_TITLE (1L << 3)
621 #define MWM_DECOR_MENU (1L << 4)
622 #define MWM_DECOR_MINIMIZE (1L << 5)
623 #define MWM_DECOR_MAXIMIZE (1L << 6)
624 /* bit definitions for MwmHints.inputMode */
625 #define MWM_INPUT_MODELESS 0
626 #define MWM_INPUT_PRIMARY_APPLICATION_MODAL 1
627 #define MWM_INPUT_SYSTEM_MODAL 2
628 #define MWM_INPUT_FULL_APPLICATION_MODAL 3
629 #define PROP_MWM_HINTS_ELEMENTS 5
630
631 /*
632 *****************************************************************************
633 * MACRO DEFINES
634 *****************************************************************************
635 */
636
637 // speed hack, copy some member variable into a local variable of the same name
638 #define dLocal(type,name) type const name = this->name
639
640 // for speed reasons, we assume that all codepoints 32 to 126 are
641 // single-width.
642 #define WCWIDTH(c) (IN_RANGE_INC (c, 0x20, 0x7e) ? 1 : wcwidth (c))
643
644 /* convert pixel dimensions to row/column values. Everything as int32_t */
645 #define Pixel2Col(x) Pixel2Width((int32_t)(x))
646 #define Pixel2Row(y) Pixel2Height((int32_t)(y))
647 #define Pixel2Width(x) ((int32_t)(x) / (int32_t)fwidth)
648 #define Pixel2Height(y) ((int32_t)(y) / (int32_t)fheight)
649 #define Col2Pixel(col) ((int32_t)Width2Pixel(col))
650 #define Row2Pixel(row) ((int32_t)Height2Pixel(row))
651 #define Width2Pixel(n) ((int32_t)(n) * (int32_t)fwidth)
652 #define Height2Pixel(n) ((int32_t)(n) * (int32_t)fheight)
653
654 #define LINENO_of(t,n) MOD ((t)->term_start + int(n), (t)->total_rows)
655 #define ROW_of(t,n) (t)->row_buf [LINENO_of ((t), n)]
656
657 #define LINENO(n) LINENO_of (this, n)
658 #define ROW(n) ROW_of (this, n)
659
660 /* how to build & extract colors and attributes */
661 #define GET_BASEFG(x) (((x) & RS_fgMask) >> RS_fgShift)
662 #define GET_BASEBG(x) (((x) & RS_bgMask) >> RS_bgShift)
663
664 #define GET_FONT(x) (((x) & RS_fontMask) >> RS_fontShift)
665 #define SET_FONT(x,fid) (((x) & ~RS_fontMask) | ((fid) << RS_fontShift))
666
667 #define GET_STYLE(x) (((x) & RS_styleMask) >> RS_styleShift)
668 #define SET_STYLE(x,style) (((x) & ~RS_styleMask) | ((style) << RS_styleShift))
669
670 #define GET_ATTR(x) (((x) & RS_attrMask))
671 // return attributes defining the background, encoding doesn't matter
672 // depends on RS_fgShift > RS_bgShift
673 #define GET_BGATTR(x) \
674 (expect_false ((x) & RS_RVid) \
675 ? (((x) & (RS_attrMask & ~RS_RVid)) \
676 | (((x) & RS_fgMask) >> (RS_fgShift - RS_bgShift))) \
677 : ((x) & (RS_attrMask | RS_bgMask)))
678 #define SET_FGCOLOR(x,fg) (((x) & ~RS_fgMask) | ((fg) << RS_fgShift))
679 #define SET_BGCOLOR(x,bg) (((x) & ~RS_bgMask) | ((bg) << RS_bgShift))
680 #define SET_ATTR(x,a) (((x) & ~RS_attrMask) | (a))
681
682 #define RS_SAME(a,b) (!(((a) ^ (b)) & ~RS_Careful))
683
684 #define PIXCOLOR_NAME(idx) rs[Rs_color + (idx)]
685 #define ISSET_PIXCOLOR(idx) (!!rs[Rs_color + (idx)])
686
687 #if ENABLE_STYLES
688 # define FONTSET_of(t,style) (t)->fontset[GET_STYLE (style)]
689 #else
690 # define FONTSET_of(t,style) (t)->fontset[0]
691 #endif
692
693 #define FONTSET(style) FONTSET_of (this, style)
694
695 typedef callback<void (const char *)> log_callback;
696 typedef callback<int (int)> getfd_callback;
697
698 /****************************************************************************/
699
700 #define LINE_LONGER 0x0001 // line is continued on the next row
701 #define LINE_FILTERED 0x0002 // line has been filtered
702 #define LINE_COMPRESSED 0x0004 // line has been compressed (NYI)
703 #define LINE_FILTER 0x0008 // line needs to be filtered before display (NYI)
704 #define LINE_BIDI 0x0010 // line needs bidi (NYI)
705
706 struct line_t
707 {
708 text_t *t; // terminal the text
709 rend_t *r; // rendition, uses RS_ flags
710 tlen_t_ l; // length of each text line
711 uint32_t f; // flags
712
713 bool is_longer ()
714 {
715 return f & LINE_LONGER;
716 }
717
718 void is_longer (int set)
719 {
720 if (set)
721 f |= LINE_LONGER;
722 else
723 f &= ~LINE_LONGER;
724 }
725
726 void clear ()
727 {
728 t = 0;
729 r = 0;
730 l = 0;
731 f = 0;
732 }
733
734 void touch () // call whenever a line is changed/touched/updated
735 {
736 #if ENABLE_PERL
737 f &= ~LINE_FILTERED;
738 #endif
739 }
740
741 void touch (int col)
742 {
743 max_it (l, col);
744 touch ();
745 }
746 };
747
748 /****************************************************************************/
749
750 // primitive wrapper around mbstate_t to ensure initialisation
751 struct mbstate
752 {
753 mbstate_t mbs;
754
755 operator mbstate_t *() { return &mbs; }
756 void reset () { memset (&mbs, 0, sizeof (mbs)); }
757 mbstate () { reset (); }
758 };
759
760 /****************************************************************************/
761
762 #define UNICODE_MASK 0x1fffffUL
763
764 #if UNICODE_3
765 # define COMPOSE_LO 0x40000000UL
766 # define COMPOSE_HI 0x400fffffUL
767 # define IS_COMPOSE(n) ((int32_t)(n) >= COMPOSE_LO)
768 #else
769 # if ENABLE_PERL
770 # define COMPOSE_LO 0xe000UL // our _own_ functions don't like (illegal) surrogates
771 # define COMPOSE_HI 0xf8ffUL // in utf-8, so use private use area only
772 # else
773 # define COMPOSE_LO 0xd800UL
774 # define COMPOSE_HI 0xf8ffUL
775 # endif
776 # define IS_COMPOSE(n) IN_RANGE_INC ((n), COMPOSE_LO, COMPOSE_HI)
777 #endif
778
779 #if ENABLE_COMBINING
780 // compose chars are used to represent composite characters
781 // that are not representable in unicode, as well as characters
782 // not fitting in the BMP.
783 struct compose_char
784 {
785 unicode_t c1, c2; // any chars != NOCHAR are valid
786 compose_char (unicode_t c1, unicode_t c2)
787 : c1(c1), c2(c2)
788 { }
789 };
790
791 class rxvt_composite_vec
792 {
793 vector<compose_char> v;
794 public:
795 text_t compose (unicode_t c1, unicode_t c2 = NOCHAR);
796 int expand (unicode_t c, wchar_t *r);
797 compose_char *operator [](text_t c)
798 {
799 return c >= COMPOSE_LO && c < COMPOSE_LO + v.size ()
800 ? &v[c - COMPOSE_LO]
801 : 0;
802 }
803 };
804
805 extern class rxvt_composite_vec rxvt_composite;
806 #endif
807
808 /****************************************************************************/
809
810 #ifdef KEYSYM_RESOURCE
811 class keyboard_manager;
812 #endif
813
814 typedef struct rxvt_term *rxvt_t;
815
816 extern rxvt_t rxvt_current_term;
817
818 #define SET_R(r) rxvt_current_term = const_cast<rxvt_term *>(r)
819 #define GET_R rxvt_current_term
820
821 /* ------------------------------------------------------------------------- */
822 struct overlay_base
823 {
824 int x, y, w, h; // overlay dimensions
825 text_t **text;
826 rend_t **rend;
827
828 // while tempting to add swap() etc. here, it effectively only increases code size
829 };
830
831 /* ------------------------------------------------------------------------- */
832
833 typedef struct
834 {
835 int row;
836 int col;
837 } row_col_t;
838
839 /*
840 * terminal limits:
841 *
842 * width : 1 <= width
843 * height : 1 <= height
844 * ncol : 1 <= ncol <= MAX(tlen_t)
845 * nrow : 1 <= nrow <= MAX(int)
846 * saveLines : 0 <= saveLines <= MAX(int)
847 * term_start : 0 <= term_start < saveLines
848 * total_rows : nrow + saveLines
849 *
850 * top_row : -saveLines <= top_row <= 0
851 * view_start : top_row <= view_start <= 0
852 *
853 * | most coordinates are stored relative to term_start,
854 * ROW_BUF | which is the first line of the terminal screen
855 * |························= row_buf[0]
856 * |························= row_buf[1]
857 * |························= row_buf[2] etc.
858 * |
859 * +------------+···········= term_start + top_row
860 * | scrollback |
861 * | scrollback +---------+·= term_start + view_start
862 * | scrollback | display |
863 * | scrollback | display |
864 * +------------+·display·+·= term_start
865 * | terminal | display |
866 * | terminal +---------+
867 * | terminal |
868 * | terminal |
869 * +------------+···········= term_start + nrow - 1
870 * |
871 * |
872 * END······················= total_rows
873 */
874
875 struct TermWin_t
876 {
877 int width; /* window width [pixels] */
878 int height; /* window height [pixels] */
879 int fwidth; /* font width [pixels] */
880 int fheight; /* font height [pixels] */
881 int fbase; /* font ascent (baseline) [pixels] */
882 int ncol; /* window columns [characters] */
883 int nrow; /* window rows [characters] */
884 int focus; /* window has focus */
885 int mapped; /* window state mapped? */
886 int int_bwidth; /* internal border width */
887 int ext_bwidth; /* external border width */
888 int lineSpace; /* number of extra pixels between rows */
889 int letterSpace; /* number of extra pixels between columns */
890 int saveLines; /* number of lines that fit in scrollback */
891 int total_rows; /* total number of rows in this terminal */
892 int term_start; /* term lines start here */
893 int view_start; /* scrollback view starts here */
894 int top_row; /* topmost row index of scrollback */
895 Window parent[6]; /* parent identifiers - we're parent[0] */
896 Window vt; /* vt100 window */
897 GC gc; /* GC for drawing */
898 Pixmap pixmap;
899 rxvt_drawable *drawable;
900 rxvt_fontset *fontset[4];
901 };
902
903 /*
904 * screen accounting:
905 * screen_t elements
906 * row: Cursor row position : 0 <= row < nrow
907 * col: Cursor column position : 0 <= col < ncol
908 * tscroll: Scrolling region top row inclusive : 0 <= row < nrow
909 * bscroll: Scrolling region bottom row inclusive : 0 <= row < nrow
910 *
911 * selection_t elements
912 * clicks: 1, 2 or 3 clicks - 4 indicates a special condition of 1 where
913 * nothing is selected
914 * beg: row/column of beginning of selection : never past mark
915 * mark: row/column of initial click : never past end
916 * end: row/column of one character past end of selection
917 * * Note: top_row <= beg.row <= mark.row <= end.row < nrow
918 * * Note: col == -1 ==> we're left of screen
919 *
920 */
921 struct screen_t
922 {
923 row_col_t cur; /* cursor position on the screen */
924 int tscroll; /* top of settable scroll region */
925 int bscroll; /* bottom of settable scroll region */
926 unsigned int charset; /* character set number [0..3] */
927 unsigned int flags; /* see below */
928 row_col_t s_cur; /* saved cursor position */
929 unsigned int s_charset; /* saved character set number [0..3] */
930 char s_charset_char;
931 rend_t s_rstyle; /* saved rendition style */
932 };
933
934 enum selection_op_t
935 {
936 SELECTION_CLEAR = 0, /* nothing selected */
937 SELECTION_INIT, /* marked a point */
938 SELECTION_BEGIN, /* started a selection */
939 SELECTION_CONT, /* continued selection */
940 SELECTION_DONE /* selection put in CUT_BUFFER0 */
941 };
942
943 struct selection_t
944 {
945 wchar_t *text; /* selected text */
946 unsigned int len; /* length of selected text */
947 unsigned int screen; /* screen being used */
948 unsigned int clicks; /* number of clicks */
949 selection_op_t op; /* current operation */
950 bool rect; /* rectangular selection? */
951 row_col_t beg; /* beginning of selection <= mark */
952 row_col_t mark; /* point of initial click <= end */
953 row_col_t end; /* one character past end point */
954 wchar_t *clip_text; /* text copied to the clipboard */
955 unsigned int clip_len; /* length of clipboard text */
956 };
957
958 /* ------------------------------------------------------------------------- */
959
960 /* screen_t flags */
961 #define Screen_Relative (1<<0) /* relative origin mode flag */
962 #define Screen_VisibleCursor (1<<1) /* cursor visible? */
963 #define Screen_Autowrap (1<<2) /* auto-wrap flag */
964 #define Screen_Insert (1<<3) /* insert mode (vs. overstrike) */
965 #define Screen_WrapNext (1<<4) /* need to wrap for next char? */
966 #define Screen_DefaultFlags (Screen_VisibleCursor | Screen_Autowrap)
967
968 /* rxvt_vars.options */
969 enum {
970 # define def(name) Opt_ ## name,
971 # define nodef(name) Opt_prev_ ## name, Opt_ ## name = 0, Opt_next_ ## name = Opt_prev_ ## name - 1,
972 Opt_0,
973 # include "optinc.h"
974 # undef nodef
975 # undef def
976 Opt_count
977 };
978
979 /* ------------------------------------------------------------------------- */
980
981 struct rxvt_vars : TermWin_t
982 {
983 scrollBar_t scrollBar;
984 uint8_t options[(Opt_count + 7) >> 3];
985 XSizeHints szHint;
986 rxvt_color *pix_colors;
987 Cursor TermWin_cursor; /* cursor for vt window */
988 line_t *row_buf; // all lines, scrollback + terminal, circular, followed by temp_buf
989 line_t *drawn_buf; // text on screen
990 line_t *swap_buf; // lines for swap buffer
991 char *tabs; /* per location: 1 == tab-stop */
992 screen_t screen;
993 screen_t swap;
994 selection_t selection;
995 rxvt_color pix_colors_focused[TOTAL_COLORS];
996 #ifdef OFF_FOCUS_FADING
997 rxvt_color pix_colors_unfocused[TOTAL_COLORS];
998 #endif
999 };
1000
1001 struct rxvt_term : zero_initialized, rxvt_vars, rxvt_screen
1002 {
1003
1004 // special markers with magic addresses
1005 static const char resval_undef []; // options specifically unset
1006 static const char resval_on []; // boolean options switched on
1007 static const char resval_off []; // or off
1008
1009 log_callback *log_hook; // log error messages through this hook, if != 0
1010 getfd_callback *getfd_hook; // convert remote to local fd, if != 0
1011 #if ENABLE_PERL
1012 rxvt_perl_term perl;
1013 #endif
1014 struct mbstate mbstate; // current input multibyte state
1015
1016 unsigned char want_refresh:1,
1017 current_screen:1, /* primary or secondary */
1018 num_scr_allow:1,
1019 bypass_keystate:1,
1020 #if ENABLE_FRILLS
1021 urgency_hint:1,
1022 #endif
1023 #if CURSOR_BLINK
1024 hidden_cursor:1,
1025 #endif
1026 #if TEXT_BLINK
1027 hidden_text:1,
1028 #endif
1029 #if POINTER_BLANK
1030 hidden_pointer:1,
1031 #endif
1032 enc_utf8:1, /* whether locale uses utf-8 */
1033 seen_input:1, /* whether we have seen some program output yet */
1034 seen_resize:1, /* whether we had a resize event */
1035 parsed_geometry:1;
1036
1037 unsigned char refresh_type,
1038 #ifdef META8_OPTION
1039 meta_char, /* Alt-key prefix */
1040 #endif
1041 selection_wait,
1042 selection_type;
1043 /* ---------- */
1044 bool rvideo_state, rvideo_mode;
1045 #ifndef NO_BELL
1046 bool rvideo_bell;
1047 #endif
1048 int num_scr; /* screen: number of lines scrolled */
1049 int prev_ncol, /* screen: previous number of columns */
1050 prev_nrow; /* screen: previous number of rows */
1051 /* ---------- */
1052 rend_t rstyle;
1053 /* ---------- */
1054 #ifdef SELECTION_SCROLLING
1055 int scroll_selection_lines;
1056 enum page_dirn scroll_selection_dir;
1057 int selection_save_x,
1058 selection_save_y,
1059 selection_save_state;
1060 #endif
1061 /* ---------- */
1062 int csrO, /* Hops - csr offset in thumb/slider to */
1063 /* give proper Scroll behaviour */
1064 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1065 mouse_slip_wheel_speed,
1066 #endif
1067 refresh_count,
1068 window_vt_x,
1069 window_vt_y,
1070 mouse_row,
1071 mouse_col,
1072 # ifdef POINTER_BLANK
1073 pointerBlankDelay,
1074 # endif
1075 allowedxerror;
1076 /* ---------- */
1077 unsigned int ModLevel3Mask,
1078 ModMetaMask,
1079 ModNumLockMask;
1080 int old_width, /* last used width in screen resize */
1081 old_height; /* last used height in screen resize */
1082 unsigned long priv_modes,
1083 SavedModes;
1084 /* ---------- */
1085 Atom *xa;
1086 /* ---------- */
1087 Time selection_time,
1088 selection_request_time,
1089 clipboard_time;
1090 pid_t cmd_pid; /* process id of child */
1091 char * incr_buf;
1092 size_t incr_buf_size, incr_buf_fill;
1093 /* ---------- */
1094 struct mouse_event MEvent;
1095 XComposeStatus compose;
1096 static struct termios def_tio;
1097 row_col_t oldcursor;
1098 #ifdef HAVE_BG_PIXMAP
1099 bgPixmap_t bgPixmap;
1100 #endif
1101 #ifdef HAVE_AFTERIMAGE
1102 ASVisual *asv;
1103 ASImageManager *asimman;
1104
1105 void init_asv ()
1106 {
1107 if (!asv)
1108 asv = create_asvisual_for_id (dpy, display->screen, depth, XVisualIDFromVisual (visual), cmap, NULL);
1109 }
1110 #endif
1111
1112 #if ENABLE_OVERLAY
1113 overlay_base ov;
1114
1115 void scr_swap_overlay () NOTHROW;
1116 void scr_overlay_new (int x, int y, int w, int h) NOTHROW;
1117 void scr_overlay_off () NOTHROW;
1118 void scr_overlay_set (int x, int y,
1119 text_t text,
1120 rend_t rend = OVERLAY_RSTYLE) NOTHROW;
1121 void scr_overlay_set (int x, int y, const char *s) NOTHROW;
1122 void scr_overlay_set (int x, int y, const wchar_t *s) NOTHROW;
1123 #endif
1124
1125 vector<void *> allocated; // free these memory blocks with free()
1126
1127 char env_windowid[21]; /* environmental variable WINDOWID */
1128 char env_colorfgbg[sizeof ("COLORFGBG=default;default;bg") + 1];
1129 char *env_display; /* environmental variable DISPLAY */
1130 char *env_term; /* environmental variable TERM */
1131
1132 char *locale;
1133 char charsets[4];
1134 char *v_buffer; /* pointer to physical buffer */
1135 unsigned int v_buflen; /* size of area to write */
1136 stringvec *argv, *envv; /* if != 0, will be freed at destroy time */
1137
1138 #ifdef KEYSYM_RESOURCE
1139 keyboard_manager *keyboard;
1140 #endif
1141 #ifndef NO_RESOURCES
1142 XrmDatabase option_db;
1143 #endif
1144
1145 const char *rs[NUM_RESOURCES];
1146 /* command input buffering */
1147 char *cmdbuf_ptr, *cmdbuf_endp;
1148 char cmdbuf_base[CBUFSIZ];
1149
1150 ptytty *pty;
1151
1152 rxvt_salloc *talloc; // text line allocator
1153 rxvt_salloc *ralloc; // rend line allocator
1154
1155 static vector<rxvt_term *> termlist; // a vector of all running rxvt_term's
1156
1157 #if ENABLE_FRILLS || ISO_14755
1158 // ISO 14755 entry support
1159 unicode_t iso14755buf;
1160 void commit_iso14755 ();
1161 # if ISO_14755
1162 void iso14755_51 (unicode_t ch, rend_t r = DEFAULT_RSTYLE, int x = 0, int y = -1);
1163 void iso14755_54 (int x, int y);
1164 # endif
1165 #endif
1166
1167 long vt_emask, vt_emask_perl, vt_emask_xim, vt_emask_mouse;
1168
1169 void vt_select_input () const NOTHROW
1170 {
1171 XSelectInput (dpy, vt, vt_emask | vt_emask_perl | vt_emask_xim | vt_emask_mouse);
1172 }
1173
1174 #if ENABLE_TRANSPARENCY || ENABLE_PERL
1175 void rootwin_cb (XEvent &xev);
1176 xevent_watcher rootwin_ev;
1177 #endif
1178 #ifdef HAVE_BG_PIXMAP
1179 void update_background ();
1180 void update_background_cb (ev::timer &w, int revents);
1181 ev::timer update_background_ev;
1182 #endif
1183
1184 void x_cb (XEvent &xev);
1185 xevent_watcher termwin_ev;
1186 xevent_watcher vt_ev;
1187 xevent_watcher scrollbar_ev;
1188
1189 void child_cb (ev::child &w, int revents); ev::child child_ev;
1190 void destroy_cb (ev::idle &w, int revents); ev::idle destroy_ev;
1191 void refresh_check ();
1192 void flush ();
1193 void flush_cb (ev::timer &w, int revents); ev::timer flush_ev;
1194 bool pty_fill ();
1195 void pty_cb (ev::io &w, int revents); ev::io pty_ev;
1196 void incr_cb (ev::timer &w, int revents) NOTHROW; ev::timer incr_ev;
1197
1198 #ifdef CURSOR_BLINK
1199 void cursor_blink_cb (ev::timer &w, int revents); ev::timer cursor_blink_ev;
1200 #endif
1201 #ifdef TEXT_BLINK
1202 void text_blink_cb (ev::timer &w, int revents); ev::timer text_blink_ev;
1203 #endif
1204 #ifndef NO_BELL
1205 void bell_cb (ev::timer &w, int revents); ev::timer bell_ev;
1206 #endif
1207
1208 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1209 void cont_scroll_cb (ev::timer &w, int revents); ev::timer cont_scroll_ev;
1210 #endif
1211 #ifdef SELECTION_SCROLLING
1212 void sel_scroll_cb (ev::timer &w, int revents); ev::timer sel_scroll_ev;
1213 #endif
1214 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1215 void slip_wheel_cb (ev::timer &w, int revents); ev::timer slip_wheel_ev;
1216 #endif
1217
1218 #ifdef POINTER_BLANK
1219 void pointer_cb (ev::timer &w, int revents); ev::timer pointer_ev;
1220 void pointer_blank ();
1221 #endif
1222 void pointer_unblank ();
1223
1224 void tt_printf (const char *fmt,...);
1225 void tt_write (const char *data, unsigned int len);
1226 void pty_write ();
1227
1228 void init (stringvec *argv, stringvec *envv)
1229 {
1230 this->argv = argv;
1231 init (argv->size (), argv->begin (), envv);
1232 }
1233
1234 void make_current () const // make this the "currently active" urxvt instance
1235 {
1236 SET_R (this);
1237 set_environ (envv);
1238 rxvt_set_locale (locale);
1239 }
1240
1241 #if USE_XIM
1242 rxvt_xim *input_method;
1243 XIC Input_Context;
1244 XIMStyle input_style;
1245 XPoint spot; // most recently sent spot position
1246
1247 void im_destroy ();
1248 void im_cb (); im_watcher im_ev;
1249 void im_set_size (XRectangle &size);
1250 void im_set_position (XPoint &pos) NOTHROW;
1251 void im_set_color (unsigned long &fg, unsigned long &bg);
1252 void im_set_preedit_area (XRectangle &preedit_rect, XRectangle &status_rect, const XRectangle &needed_rect);
1253
1254 bool IMisRunning ();
1255 void IMSendSpot ();
1256 bool IM_get_IC (const char *modifiers);
1257 void IMSetPosition ();
1258 #endif
1259
1260 // command.C
1261 void key_press (XKeyEvent &ev);
1262 void key_release (XKeyEvent &ev);
1263 unsigned int cmd_write (const char *str, unsigned int count);
1264
1265 wchar_t next_char () NOTHROW;
1266 wchar_t cmd_getc () THROW ((class out_of_input));
1267 uint32_t next_octet () NOTHROW;
1268 uint32_t cmd_get8 () THROW ((class out_of_input));
1269
1270 void cmd_parse ();
1271 void mouse_report (XButtonEvent &ev);
1272 void button_press (XButtonEvent &ev);
1273 void button_release (XButtonEvent &ev);
1274 void focus_in ();
1275 void focus_out ();
1276 #if ENABLE_FRILLS
1277 void set_urgency (bool enable);
1278 #else
1279 void set_urgency (bool enable) { }
1280 #endif
1281 void update_fade_color (unsigned int idx);
1282 #ifdef PRINTPIPE
1283 FILE *popen_printer ();
1284 int pclose_printer (FILE *stream);
1285 #endif
1286 void process_print_pipe ();
1287 void process_nonprinting (unicode_t ch);
1288 void process_escape_vt52 (unicode_t ch);
1289 void process_escape_seq ();
1290 void process_csi_seq ();
1291 void process_window_ops (const int *args, unsigned int nargs);
1292 char *get_to_st (unicode_t &ends_how);
1293 void process_dcs_seq ();
1294 void process_osc_seq ();
1295 void process_color_seq (int report, int color, const char *str, char resp);
1296 void process_xterm_seq (int op, char *str, char resp);
1297 int privcases (int mode, unsigned long bit);
1298 void process_terminal_mode (int mode, int priv, unsigned int nargs, const int *arg);
1299 void process_sgr_mode (unsigned int nargs, const int *arg);
1300 void process_graphics ();
1301 // init.C
1302 void init_vars ();
1303 const char **init_resources (int argc, const char *const *argv);
1304 void init (int argc, const char *const *argv, stringvec *envv);
1305 void init_env ();
1306 void set_locale (const char *locale);
1307 void init_xlocale ();
1308 void init_command (const char *const *argv);
1309 void run_command (const char *const *argv);
1310 int run_child (const char *const *argv);
1311 void color_aliases (int idx);
1312 void create_windows (int argc, const char *const *argv);
1313 void get_colours ();
1314 void get_ourmods ();
1315 void set_icon (const char *file);
1316 // main.C
1317 void tt_winch ();
1318 rxvt_term ();
1319 ~rxvt_term ();
1320 void destroy ();
1321 void emergency_cleanup ();
1322 void recolour_cursor ();
1323 void resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent);
1324 void window_calc (unsigned int newwidth, unsigned int newheight);
1325 bool set_fonts ();
1326 void set_string_property (Atom prop, const char *str, int len = -1);
1327 void set_mbstring_property (Atom prop, const char *str, int len = -1);
1328 void set_utf8_property (Atom prop, const char *str, int len = -1);
1329 void set_title (const char *str);
1330 void set_icon_name (const char *str);
1331 void set_window_color (int idx, const char *color);
1332 void set_colorfgbg ();
1333 bool set_color (rxvt_color &color, const char *name);
1334 void alias_color (int dst, int src);
1335 void set_widthheight (unsigned int newwidth, unsigned int newheight);
1336 void get_window_origin (int &x, int &y);
1337 Pixmap get_pixmap_property (Atom property);
1338
1339 // screen.C
1340
1341 void lalloc (line_t &l) const
1342 {
1343 l.t = (text_t *)talloc->alloc ();
1344 l.r = (rend_t *)ralloc->alloc ();
1345 }
1346
1347 #if 0
1348 void lfree (line_t &l)
1349 {
1350 talloc->free (l.t);
1351 ralloc->free (l.r);
1352 }
1353 #endif
1354
1355 void lresize (line_t &l) const
1356 {
1357 if (!l.t)
1358 return;
1359
1360 l.t = (text_t *)talloc->alloc (l.t, prev_ncol * sizeof (text_t));
1361 l.r = (rend_t *)ralloc->alloc (l.r, prev_ncol * sizeof (rend_t));
1362
1363 l.l = min (l.l, ncol);
1364
1365 if (ncol > prev_ncol)
1366 scr_blank_line (l, prev_ncol, ncol - prev_ncol, DEFAULT_RSTYLE);
1367 }
1368
1369 int fgcolor_of (rend_t r) const NOTHROW
1370 {
1371 int base = GET_BASEFG (r);
1372 #ifndef NO_BRIGHTCOLOR
1373 if (r & RS_Bold
1374 # if ENABLE_STYLES
1375 && option (Opt_intensityStyles)
1376 # endif
1377 && IN_RANGE_INC (base, minCOLOR, minBrightCOLOR))
1378 base += minBrightCOLOR - minCOLOR;
1379 #endif
1380 return base;
1381 }
1382
1383 int bgcolor_of (rend_t r) const NOTHROW
1384 {
1385 int base = GET_BASEBG (r);
1386 #ifndef NO_BRIGHTCOLOR
1387 if (r & RS_Blink
1388 # if ENABLE_STYLES
1389 && option (Opt_intensityStyles)
1390 # endif
1391 && IN_RANGE_INC (base, minCOLOR, minBrightCOLOR))
1392 base += minBrightCOLOR - minCOLOR;
1393 #endif
1394 return base;
1395 }
1396
1397 bool option (uint8_t opt) const NOTHROW
1398 {
1399 return options[opt >> 3] & (1 << (opt & 7));
1400 }
1401
1402 void set_option (uint8_t opt, bool set = true) NOTHROW;
1403
1404 void set_privmode (unsigned bit, int set) NOTHROW
1405 {
1406 if (set)
1407 priv_modes |= bit;
1408 else
1409 priv_modes &= ~bit;
1410 }
1411
1412 // modifies first argument(!)
1413 void tt_paste (char *data, unsigned int len) NOTHROW;
1414 void paste (char *data, unsigned int len) NOTHROW;
1415 void scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const NOTHROW;
1416 void scr_blank_screen_mem (line_t &l, rend_t efs) const NOTHROW;
1417 void scr_kill_char (line_t &l, int col) const NOTHROW;
1418 int scr_scroll_text (int row1, int row2, int count) NOTHROW;
1419 void scr_reset ();
1420 void scr_release () NOTHROW;
1421 void scr_clear (bool really = false) NOTHROW;
1422 void scr_refresh () NOTHROW;
1423 bool scr_refresh_rend (rend_t mask, rend_t value) NOTHROW;
1424 void scr_erase_screen (int mode) NOTHROW;
1425 #if ENABLE_FRILLS
1426 void scr_erase_savelines () NOTHROW;
1427 void scr_backindex () NOTHROW;
1428 void scr_forwardindex () NOTHROW;
1429 #endif
1430 void scr_touch (bool refresh) NOTHROW;
1431 void scr_expose (int x, int y, int width, int height, bool refresh) NOTHROW;
1432 void scr_recolour () NOTHROW;
1433 void scr_remap_chars () NOTHROW;
1434 void scr_remap_chars (line_t &l) NOTHROW;
1435
1436 enum cursor_mode { SAVE, RESTORE };
1437
1438 void scr_poweron ();
1439 void scr_soft_reset () NOTHROW;
1440 void scr_cursor (cursor_mode mode) NOTHROW;
1441 void scr_do_wrap () NOTHROW;
1442 void scr_swap_screen () NOTHROW;
1443 void scr_change_screen (int scrn);
1444 void scr_color (unsigned int color, int fgbg) NOTHROW;
1445 void scr_rendition (int set, int style) NOTHROW;
1446 void scr_add_lines (const wchar_t *str, int len, int minlines = 0) NOTHROW;
1447 void scr_backspace () NOTHROW;
1448 void scr_tab (int count, bool ht = false) NOTHROW;
1449 void scr_gotorc (int row, int col, int relative) NOTHROW;
1450 void scr_index (enum page_dirn direction) NOTHROW;
1451 void scr_erase_line (int mode) NOTHROW;
1452 void scr_E () NOTHROW;
1453 void scr_insdel_lines (int count, int insdel) NOTHROW;
1454 void scr_insdel_chars (int count, int insdel) NOTHROW;
1455 void scr_scroll_region (int top, int bot) NOTHROW;
1456 void scr_cursor_visible (int mode) NOTHROW;
1457 void scr_autowrap (int mode) NOTHROW;
1458 void scr_relative_origin (int mode) NOTHROW;
1459 void scr_insert_mode (int mode) NOTHROW;
1460 void scr_set_tab (int mode) NOTHROW;
1461 void scr_rvideo_mode (bool on) NOTHROW;
1462 void scr_report_position () NOTHROW;
1463 void set_font_style () NOTHROW;
1464 void scr_charset_choose (int set) NOTHROW;
1465 void scr_charset_set (int set, unsigned int ch) NOTHROW;
1466 void scr_move_to (int y, int len) NOTHROW;
1467 bool scr_page (enum page_dirn direction, int nlines) NOTHROW;
1468 bool scr_changeview (int new_view_start) NOTHROW;
1469 void scr_bell () NOTHROW;
1470 void scr_printscreen (int fullhist) NOTHROW;
1471 void scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) NOTHROW;
1472 void scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) NOTHROW;
1473 void scr_reverse_selection () NOTHROW;
1474 void scr_dump (int fd) NOTHROW;
1475
1476 void selection_check (int check_more) NOTHROW;
1477 void selection_paste (Window win, Atom prop, bool delete_prop) NOTHROW;
1478 void selection_property (Window win, Atom prop) NOTHROW;
1479 void selection_request (Time tm, int selnum = Sel_Primary) NOTHROW;
1480 int selection_request_other (Atom target, int selnum) NOTHROW;
1481 void selection_clear (bool clipboard = false) NOTHROW;
1482 void selection_make (Time tm);
1483 bool selection_grab (Time tm, bool clipboard = false) NOTHROW;
1484 void selection_start_colrow (int col, int row) NOTHROW;
1485 void selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW;
1486 void selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW;
1487 void selection_remove_trailing_spaces () NOTHROW;
1488 void selection_send (const XSelectionRequestEvent &rq) NOTHROW;
1489 void selection_click (int clicks, int x, int y) NOTHROW;
1490 void selection_extend (int x, int y, int flag) NOTHROW;
1491 void selection_rotate (int x, int y) NOTHROW;
1492
1493 // xdefaults.C
1494 void get_options (int argc, const char *const *argv);
1495 int parse_keysym (const char *str, const char *arg);
1496 const char *x_resource (const char *name);
1497 void extract_resources ();
1498 };
1499
1500 #endif /* _RXVT_H_ */
1501