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/cvs/cvsroot/rxvt-unicode/src/rxvt.h
Revision: 1.553
Committed: Tue Jun 25 03:35:01 2019 UTC (5 years ago) by root
Content type: text/plain
Branch: MAIN
Changes since 1.552: +3 -1 lines
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File Contents

# Content
1 #ifndef RXVT_H_ /* include once only */
2 #define RXVT_H_
3
4 #include <stdio.h>
5 #include <ctype.h>
6 #include <errno.h>
7 #include <stdarg.h>
8 #include <stdlib.h>
9 #ifdef HAVE_STDINT_H
10 #include <stdint.h>
11 #endif
12 #include <sys/types.h>
13 #include <unistd.h>
14 #include <string.h>
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_WCHAR_H
24 # include <wchar.h>
25 #else
26 // stdlib.h might provide it
27 #endif
28
29 // we assume that Xlib.h defines XPointer, and it does since at least 1994...
30
31 extern "C" {
32 #include <X11/Xlib.h>
33 #include <X11/Xutil.h>
34 #include <X11/Xresource.h>
35 }
36
37 #if UNICODE_3
38 typedef uint32_t text_t;
39 #else
40 typedef uint16_t text_t; // saves lots of memory
41 #endif
42 typedef uint32_t rend_t;
43 typedef int32_t tlen_t; // was int16_t, but this results in smaller code and memory use
44 typedef int32_t tlen_t_; // specifically for use in the line_t structure
45
46 #include "feature.h"
47
48 #if defined (ISO_14755) || defined (ENABLE_PERL)
49 # define ENABLE_OVERLAY 1
50 #endif
51
52 #if ENABLE_PERL
53 # define ENABLE_FRILLS 1
54 # define ENABLE_COMBINING 1
55 #endif
56
57 #if ENABLE_FRILLS
58 # define ENABLE_XEMBED 1
59 # define ENABLE_EWMH 1
60 # define ENABLE_XIM_ONTHESPOT 1
61 # define CURSOR_BLINK 1
62 # define OPTION_HC 1
63 # define BUILTIN_GLYPHS 1
64 #else
65 # define ENABLE_MINIMAL 1
66 #endif
67
68 #include <limits.h>
69
70 #include <X11/cursorfont.h>
71 #include <X11/keysym.h>
72 #include <X11/keysymdef.h>
73 #include <X11/Xatom.h>
74
75 #if HAVE_PIXBUF
76 # include <gdk-pixbuf/gdk-pixbuf.h>
77 #endif
78
79 #if XRENDER && (HAVE_PIXBUF || ENABLE_TRANSPARENCY)
80 # define HAVE_IMG 1
81 #endif
82
83 #define ECB_NO_THREADS 1
84 #include "ecb.h"
85
86 #include "encoding.h"
87 #include "rxvtutil.h"
88 #include "rxvtfont.h"
89 #include "rxvttoolkit.h"
90 #include "rxvtimg.h"
91 #include "scrollbar.h"
92 #include "ev_cpp.h"
93 #include "libptytty.h"
94
95 #include "rxvtperl.h"
96
97 // try to avoid some macros to decrease code size, on some systems
98 #if ENABLE_MINIMAL
99 # define strcmp(a,b) (strcmp)(a,b)
100 # define strlen(a) (strlen)(a)
101 # define strcpy(a,b) (strcpy)(a,b)
102 # define memset(a,c,l) (memset)(a,c,l)
103 # define memcpy(a,b,l) (memcpy)(a,b,l)
104 #endif
105
106 /*
107 *****************************************************************************
108 * SYSTEM HACKS
109 *****************************************************************************
110 */
111
112 #include <termios.h>
113
114 #ifndef STDIN_FILENO
115 # define STDIN_FILENO 0
116 # define STDOUT_FILENO 1
117 # define STDERR_FILENO 2
118 #endif
119
120 #ifndef EXIT_SUCCESS /* missing from <stdlib.h> */
121 # define EXIT_SUCCESS 0 /* exit function success */
122 # define EXIT_FAILURE 1 /* exit function failure */
123 #endif
124
125 /****************************************************************************/
126
127 // exception thrown on fatal (per-instance) errors
128 class rxvt_failure_exception { };
129
130 // exception thrown when the command parser runs out of input data
131 class out_of_input { };
132
133 /*
134 *****************************************************************************
135 * PROTOTYPES
136 *****************************************************************************
137 */
138 // main.C
139 #define SET_LOCALE(locale) rxvt_set_locale (locale)
140 extern bool rxvt_set_locale (const char *locale) NOTHROW;
141 extern void rxvt_push_locale (const char *locale) NOTHROW;
142 extern void rxvt_pop_locale () NOTHROW;
143 void rxvt_init ();
144
145 // misc.C
146 char * rxvt_wcstombs (const wchar_t *str, int len = -1);
147 wchar_t * rxvt_mbstowcs (const char *str, int len = -1);
148 char * rxvt_wcstoutf8 (const wchar_t *str, int len = -1);
149 wchar_t * rxvt_utf8towcs (const char *str, int len = -1);
150
151 const char * rxvt_basename (const char *str) NOTHROW;
152 void rxvt_vlog (const char *fmt, va_list arg_ptr) NOTHROW;
153 void rxvt_log (const char *fmt,...) NOTHROW;
154 void rxvt_warn (const char *fmt,...) NOTHROW;
155 ecb_noreturn ecb_cold
156 void rxvt_fatal (const char *fmt, ...) THROW ((class rxvt_failure_exception));
157 ecb_noreturn ecb_cold
158 void rxvt_exit_failure () THROW ((class rxvt_failure_exception));
159
160 void * rxvt_malloc (size_t size);
161 void * rxvt_calloc (size_t number, size_t size);
162 void * rxvt_realloc (void *ptr, size_t size);
163
164 char * rxvt_strtrim (char *str) NOTHROW;
165 char ** rxvt_strsplit (char delim, const char *str) NOTHROW;
166
167 static inline void
168 rxvt_free_strsplit (char **ptr) NOTHROW
169 {
170 free (ptr[0]);
171 free (ptr);
172 }
173
174 KeySym rxvt_XKeycodeToKeysym (Display *dpy, KeyCode keycode, int index);
175
176 /////////////////////////////////////////////////////////////////////////////
177
178 // temporarily replace the process environment
179 extern char **environ;
180 extern char **rxvt_environ; // the original environ pointer
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 #if HAVE_IMG
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 // Hidden color cube for indexed 24-bit colors. There are fewer blue levels
274 // because normal human eye is less sensitive to the blue component than to
275 // the red or green. (https://en.m.wikipedia.org/wiki/Color_depth#8-bit_color)
276 #if USE_256_COLORS
277 // 7x7x5=245 < 254 unused color indices
278 # define Red_levels 7
279 # define Green_levels 7
280 # define Blue_levels 5
281 #else
282 // 6x6x4=144 < 166 unused color indices
283 # define Red_levels 6
284 # define Green_levels 6
285 # define Blue_levels 4
286 #endif
287
288 #define RGB24_CUBE_SIZE (Red_levels * Green_levels * Blue_levels)
289
290 #if defined (NO_MOUSE_REPORT) && !defined (NO_MOUSE_REPORT_SCROLLBAR)
291 # define NO_MOUSE_REPORT_SCROLLBAR 1
292 #endif
293
294 #define scrollBar_esc 30
295
296 #if !defined (RXVT_SCROLLBAR) && !defined (NEXT_SCROLLBAR)
297 # define NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING 1
298 #endif
299
300 enum {
301 NO_REFRESH = 0, /* Window not visible at all! */
302 FAST_REFRESH = 1, /* Fully exposed window */
303 SLOW_REFRESH = 2, /* Partially exposed window */
304 };
305
306 #ifdef NO_SECONDARY_SCREEN
307 # define NSCREENS 0
308 #else
309 # define NSCREENS 1
310 #endif
311
312 /* flags for rxvt_term::scr_gotorc () */
313 enum {
314 C_RELATIVE = 1, /* col movement is relative */
315 R_RELATIVE = 2, /* row movement is relative */
316 RELATIVE = C_RELATIVE | R_RELATIVE,
317 };
318
319 /* modes for rxvt_term::scr_insdel_chars (), rxvt_term::scr_insdel_lines () */
320 enum {
321 INSERT = -1, /* don't change these values */
322 DELETE = +1,
323 ERASE = +2,
324 };
325
326 /* modes for rxvt_term::scr_page () - scroll page. used by scrollbar window */
327 enum page_dirn {
328 DN = -1,
329 NO_DIR = 0,
330 UP = 1,
331 };
332
333 /* arguments for rxvt_term::scr_change_screen () */
334 enum {
335 PRIMARY = 0,
336 SECONDARY,
337 };
338
339 // define various rendition bits and masks. the rendition word
340 // is 32 bits in size, and we should use it as efficiently as possible
341
342 #define RS_None 0
343
344 // GET_BGATTR depends on RS_fgShift > RS_bgShift
345 #define RS_colorMask ((1UL << Color_Bits) - 1UL)
346 #define RS_bgShift 0
347 #define RS_fgShift (RS_bgShift + Color_Bits)
348 #define RS_bgMask (RS_colorMask << RS_bgShift)
349 #define RS_fgMask (RS_colorMask << RS_fgShift)
350
351 // must have space for rxvt_fontset::fontCount * 2 + 2 values
352 #define RS_fontShift (RS_fgShift + Color_Bits)
353 #define RS_Careful (1UL << RS_fontShift) /* be careful when drawing these */
354 #define RS_fontCount rxvt_fontset::fontCount
355 #define RS_fontMask ((RS_fontCount << (RS_fontShift + 1)) | RS_Careful) // includes RS_Careful
356
357 // toggle this to force redraw, must be != RS_Careful and otherwise "pretty neutral"
358 #define RS_redraw (2UL << RS_fontShift)
359
360 #define RS_Sel (1UL << 22)
361
362 // 4 custom bits for extensions
363 #define RS_customCount 16UL
364 #define RS_customShift 23
365 #define RS_customMask ((RS_customCount - 1UL) << RS_customShift)
366
367 // font styles
368 #define RS_Bold (1UL << RS_styleShift)
369 #define RS_Italic (2UL << RS_styleShift)
370
371 #define RS_styleCount 4
372 #define RS_styleShift 27
373 #define RS_styleMask (RS_Bold | RS_Italic)
374
375 // fake styles
376 #define RS_Blink (1UL << 29)
377 #define RS_RVid (1UL << 30) // reverse video
378 #define RS_Uline (1UL << 31) // underline
379
380 #define RS_baseattrMask (RS_Italic | RS_Bold | RS_Blink | RS_RVid | RS_Uline)
381 #define RS_attrMask (RS_baseattrMask | RS_fontMask)
382
383 #define DEFAULT_RSTYLE (RS_None | (Color_fg << RS_fgShift) | (Color_bg << RS_bgShift))
384 #define OVERLAY_RSTYLE (RS_None | (Color_Black << RS_fgShift) | (Color_Yellow << RS_bgShift))
385
386 enum {
387 C0_NUL = 0x00,
388 C0_SOH, C0_STX, C0_ETX, C0_EOT, C0_ENQ, C0_ACK, C0_BEL,
389 C0_BS , C0_HT , C0_LF , C0_VT , C0_FF , C0_CR , C0_SO , C0_SI ,
390 C0_DLE, C0_DC1, C0_DC2, D0_DC3, C0_DC4, C0_NAK, C0_SYN, C0_ETB,
391 C0_CAN, C0_EM , C0_SUB, C0_ESC, C0_IS4, C0_IS3, C0_IS2, C0_IS1,
392 };
393 #define CHAR_ST 0x9c /* 0234 */
394
395 /*
396 * XTerm Operating System Commands: ESC ] Ps;Pt (ST|BEL)
397 * colour extensions by Christian W. Zuckschwerdt <zany@triq.net>
398 */
399 enum {
400 XTerm_name = 0,
401 XTerm_iconName = 1,
402 XTerm_title = 2,
403 XTerm_property = 3, // change X property
404 XTerm_Color = 4, // change colors
405 XTerm_Color00 = 10, // change fg color
406 XTerm_Color01 = 11, // change bg color
407 XTerm_Color_cursor = 12, // change actual 'Cursor' color
408 XTerm_Color_pointer_fg = 13, // change actual 'Pointer' fg color
409 XTerm_Color_pointer_bg = 14, // change actual 'Pointer' bg color
410 XTerm_Color05 = 15, // not implemented (tektronix fg)
411 XTerm_Color06 = 16, // not implemented (tektronix bg)
412 XTerm_Color_HC = 17, // change actual 'Highlight' bg color
413 XTerm_Color_HTC = 19, // change actual 'Highlight' fg color
414 XTerm_logfile = 46, // not implemented
415 XTerm_font = 50,
416
417 XTerm_konsole30 = 30, // reserved for konsole
418 XTerm_konsole31 = 31, // reserved for konsole
419 XTerm_emacs51 = 51, // reserved for emacs shell
420 /*
421 * rxvt extensions of XTerm OSCs: ESC ] Ps;Pt (ST|BEL)
422 */
423
424 // deprecated
425 Rxvt_restoreFG = 39,
426 Rxvt_restoreBG = 49,
427
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_BD = 706, // change actual 'Bold' color
435 URxvt_Color_UL = 707, // change actual 'Underline' color
436 URxvt_Color_border = 708,
437
438 URxvt_font = 710,
439 URxvt_boldFont = 711,
440 URxvt_italicFont = 712,
441 URxvt_boldItalicFont = 713,
442
443 URxvt_view_up = 720,
444 URxvt_view_down = 721,
445
446 URxvt_perl = 777, // for use by perl extensions, starts with "extension-name;"
447 };
448
449 /* Words starting with `Color_' are colours. Others are counts */
450 /*
451 * The PixColor and rendition colour usage should probably be decoupled
452 * on the unnecessary items, e.g. Color_pointer, but won't bother
453 * until we need to. Also, be aware of usage in pixcolor_set
454 */
455
456 enum colour_list {
457 Color_none = -2,
458 Color_transparent = -1,
459 Color_fg = 0,
460 Color_bg,
461 minCOLOR, /* 2 */
462 Color_Black = minCOLOR,
463 Color_Red3,
464 Color_Green3,
465 Color_Yellow3,
466 Color_Blue3,
467 Color_Magenta3,
468 Color_Cyan3,
469 maxCOLOR, /* minCOLOR + 7 */
470 #ifndef NO_BRIGHTCOLOR
471 Color_AntiqueWhite = maxCOLOR,
472 minBrightCOLOR, /* maxCOLOR + 1 */
473 Color_Grey25 = minBrightCOLOR,
474 Color_Red,
475 Color_Green,
476 Color_Yellow,
477 Color_Blue,
478 Color_Magenta,
479 Color_Cyan,
480 maxBrightCOLOR, /* minBrightCOLOR + 7 */
481 Color_White = maxBrightCOLOR,
482 #else
483 Color_White = maxCOLOR,
484 #endif
485 minTermCOLOR = Color_White + 1,
486 #if USE_256_COLORS
487 maxTermCOLOR = Color_White + 240,
488 #else
489 maxTermCOLOR = Color_White + 72,
490 #endif
491 minTermCOLOR24,
492 maxTermCOLOR24 = minTermCOLOR24 +
493 RGB24_CUBE_SIZE - 1,
494 #ifndef NO_CURSORCOLOR
495 Color_cursor,
496 Color_cursor2,
497 #endif
498 Color_pointer_fg,
499 Color_pointer_bg,
500 Color_border,
501 #ifndef NO_BOLD_UNDERLINE_REVERSE
502 Color_BD,
503 Color_IT,
504 Color_UL,
505 Color_RV,
506 #endif
507 #if ENABLE_FRILLS
508 Color_underline,
509 #endif
510 #ifdef OPTION_HC
511 Color_HC,
512 Color_HTC,
513 #endif
514 Color_scroll,
515 #ifdef RXVT_SCROLLBAR
516 Color_trough,
517 #endif
518 #if OFF_FOCUS_FADING
519 Color_fade,
520 #endif
521 NRS_COLORS, /* */
522 #ifdef RXVT_SCROLLBAR
523 Color_topShadow = NRS_COLORS,
524 Color_bottomShadow,
525 TOTAL_COLORS
526 #else
527 TOTAL_COLORS = NRS_COLORS
528 #endif
529 };
530
531 #if USE_256_COLORS
532 # define Color_Bits 9 // 0 .. maxTermCOLOR24
533 #else
534 # define Color_Bits 8 // 0 .. maxTermCOLOR24
535 #endif
536
537 #if maxTermCOLOR24 >= (1 << Color_Bits)
538 # error color index overflow
539 #endif
540
541 /*
542 * Resource list
543 */
544 enum {
545 # define def(name) Rs_ ## name,
546 # define reserve(name,count) Rs_ ## name ## _ = Rs_ ## name + (count) - 1,
547 # include "rsinc.h"
548 # undef def
549 # undef reserve
550 NUM_RESOURCES
551 };
552
553 /* DEC private modes */
554 #define PrivMode_132 (1UL<<0)
555 #define PrivMode_132OK (1UL<<1)
556 #define PrivMode_rVideo (1UL<<2)
557 #define PrivMode_relOrigin (1UL<<3)
558 #define PrivMode_Screen (1UL<<4)
559 #define PrivMode_Autowrap (1UL<<5)
560 #define PrivMode_aplCUR (1UL<<6)
561 #define PrivMode_aplKP (1UL<<7)
562 #define PrivMode_HaveBackSpace (1UL<<8)
563 #define PrivMode_BackSpace (1UL<<9)
564 #define PrivMode_ShiftKeys (1UL<<10)
565 #define PrivMode_VisibleCursor (1UL<<11)
566 #define PrivMode_MouseX10 (1UL<<12)
567 #define PrivMode_MouseX11 (1UL<<13)
568 #define PrivMode_scrollBar (1UL<<14)
569 #define PrivMode_TtyOutputInh (1UL<<15)
570 #define PrivMode_Keypress (1UL<<16)
571 #define PrivMode_smoothScroll (1UL<<17)
572 #define PrivMode_vt52 (1UL<<18)
573 #define PrivMode_LFNL (1UL<<19)
574 #define PrivMode_MouseBtnEvent (1UL<<20)
575 #define PrivMode_MouseAnyEvent (1UL<<21)
576 #define PrivMode_BracketPaste (1UL<<22)
577 #define PrivMode_ExtModeMouse (1UL<<23) // xterm pseudo-utf-8 hack
578 #define PrivMode_ExtMouseRight (1UL<<24) // xterm pseudo-utf-8, but works in non-utf-8-locales
579 #define PrivMode_BlinkingCursor (1UL<<25)
580 #define PrivMode_FocusEvent (1UL<<26)
581
582 #define PrivMode_mouse_report (PrivMode_MouseX10|PrivMode_MouseX11|PrivMode_MouseBtnEvent|PrivMode_MouseAnyEvent)
583
584 #ifdef ALLOW_132_MODE
585 # define PrivMode_Default (PrivMode_Autowrap|PrivMode_ShiftKeys|PrivMode_VisibleCursor|PrivMode_132OK)
586 #else
587 # define PrivMode_Default (PrivMode_Autowrap|PrivMode_ShiftKeys|PrivMode_VisibleCursor)
588 #endif
589
590 // do not change these constants lightly, there are many interdependencies
591 #define IMBUFSIZ 128 // input modifier buffer sizes
592 #define KBUFSZ 512 // size of keyboard mapping buffer
593 #define CBUFSIZ 32768 // size of command buffer (longest command sequence possible)
594 #define CBUFCNT 8 // never call pty_fill/cmd_parse more than this often in a row
595 #define UBUFSIZ 2048 // character buffer
596
597 #if ENABLE_FRILLS
598 # include <X11/Xmd.h>
599 typedef struct _mwmhints
600 {
601 CARD32 flags;
602 CARD32 functions;
603 CARD32 decorations;
604 INT32 input_mode;
605 CARD32 status;
606 } MWMHints;
607 #endif
608
609 /* Motif window hints */
610 #define MWM_HINTS_FUNCTIONS (1L << 0)
611 #define MWM_HINTS_DECORATIONS (1L << 1)
612 #define MWM_HINTS_INPUT_MODE (1L << 2)
613 #define MWM_HINTS_STATUS (1L << 3)
614 /* bit definitions for MwmHints.functions */
615 #define MWM_FUNC_ALL (1L << 0)
616 #define MWM_FUNC_RESIZE (1L << 1)
617 #define MWM_FUNC_MOVE (1L << 2)
618 #define MWM_FUNC_MINIMIZE (1L << 3)
619 #define MWM_FUNC_MAXIMIZE (1L << 4)
620 #define MWM_FUNC_CLOSE (1L << 5)
621 /* bit definitions for MwmHints.decorations */
622 #define MWM_DECOR_ALL (1L << 0)
623 #define MWM_DECOR_BORDER (1L << 1)
624 #define MWM_DECOR_RESIZEH (1L << 2)
625 #define MWM_DECOR_TITLE (1L << 3)
626 #define MWM_DECOR_MENU (1L << 4)
627 #define MWM_DECOR_MINIMIZE (1L << 5)
628 #define MWM_DECOR_MAXIMIZE (1L << 6)
629 /* bit definitions for MwmHints.inputMode */
630 #define MWM_INPUT_MODELESS 0
631 #define MWM_INPUT_PRIMARY_APPLICATION_MODAL 1
632 #define MWM_INPUT_SYSTEM_MODAL 2
633 #define MWM_INPUT_FULL_APPLICATION_MODAL 3
634 #define PROP_MWM_HINTS_ELEMENTS 5
635
636 /*
637 *****************************************************************************
638 * MACRO DEFINES
639 *****************************************************************************
640 */
641
642 // speed hack, copy some member variable into a local variable of the same name
643 #define dLocal(type,name) type const name = this->name
644
645 // for speed reasons, we assume that all codepoints 32 to 126 are
646 // single-width.
647 #define WCWIDTH(c) (IN_RANGE_INC (c, 0x20, 0x7e) ? 1 : wcwidth (c))
648
649 /* convert pixel dimensions to row/column values. Everything as int32_t */
650 #define Pixel2Col(x) Pixel2Width((int32_t)(x))
651 #define Pixel2Row(y) Pixel2Height((int32_t)(y))
652 #define Pixel2Width(x) ((int32_t)(x) / (int32_t)fwidth)
653 #define Pixel2Height(y) ((int32_t)(y) / (int32_t)fheight)
654 #define Col2Pixel(col) ((int32_t)Width2Pixel(col))
655 #define Row2Pixel(row) ((int32_t)Height2Pixel(row))
656 #define Width2Pixel(n) ((int32_t)(n) * (int32_t)fwidth)
657 #define Height2Pixel(n) ((int32_t)(n) * (int32_t)fheight)
658
659 #define LINENO_of(t,n) MOD ((t)->term_start + int(n), (t)->total_rows)
660 #define ROW_of(t,n) (t)->row_buf [LINENO_of ((t), n)]
661
662 #define LINENO(n) LINENO_of (this, n)
663 #define ROW(n) ROW_of (this, n)
664
665 /* how to build & extract colors and attributes */
666 #define GET_BASEFG(x) (((x) & RS_fgMask) >> RS_fgShift)
667 #define GET_BASEBG(x) (((x) & RS_bgMask) >> RS_bgShift)
668
669 #define GET_FONT(x) (((x) & RS_fontMask) >> RS_fontShift)
670 #define SET_FONT(x,fid) (((x) & ~RS_fontMask) | ((fid) << RS_fontShift))
671
672 #define GET_STYLE(x) (((x) & RS_styleMask) >> RS_styleShift)
673 #define SET_STYLE(x,style) (((x) & ~RS_styleMask) | ((style) << RS_styleShift))
674
675 #define GET_ATTR(x) (((x) & RS_attrMask))
676 #define SET_FGCOLOR(x,fg) (((x) & ~RS_fgMask) | ((fg) << RS_fgShift))
677 #define SET_BGCOLOR(x,bg) (((x) & ~RS_bgMask) | ((bg) << RS_bgShift))
678 #define SET_ATTR(x,a) (((x) & ~RS_attrMask) | (a))
679
680 #define RS_SAME(a,b) (!(((a) ^ (b)) & ~RS_Careful))
681
682 #define PIXCOLOR_NAME(idx) rs[Rs_color + (idx)]
683 #define ISSET_PIXCOLOR(idx) (!!rs[Rs_color + (idx)])
684
685 #if ENABLE_STYLES
686 # define FONTSET_of(t,style) (t)->fontset[GET_STYLE (style)]
687 #else
688 # define FONTSET_of(t,style) (t)->fontset[0]
689 #endif
690
691 #define FONTSET(style) FONTSET_of (this, style)
692
693 typedef callback<void (const char *)> log_callback;
694 typedef callback<int (int)> getfd_callback;
695
696 /****************************************************************************/
697
698 #define LINE_LONGER 0x0001 // line is continued on the next row
699 #define LINE_FILTERED 0x0002 // line has been filtered
700 #define LINE_COMPRESSED 0x0004 // line has been compressed (NYI)
701 #define LINE_FILTER 0x0008 // line needs to be filtered before display (NYI)
702 #define LINE_BIDI 0x0010 // line needs bidi (NYI)
703
704 struct line_t
705 {
706 text_t *t; // terminal the text
707 rend_t *r; // rendition, uses RS_ flags
708 tlen_t_ l; // length of each text line
709 uint32_t f; // flags
710
711 bool valid ()
712 {
713 return l >= 0;
714 }
715
716 void alloc ()
717 {
718 l = 0;
719 }
720
721 bool is_longer ()
722 {
723 return f & LINE_LONGER;
724 }
725
726 void is_longer (int set)
727 {
728 if (set)
729 f |= LINE_LONGER;
730 else
731 f &= ~LINE_LONGER;
732 }
733
734 void clear ()
735 {
736 t = 0;
737 r = 0;
738 l = 0;
739 f = 0;
740 }
741
742 void touch () // call whenever a line is changed/touched/updated
743 {
744 #if ENABLE_PERL
745 f &= ~LINE_FILTERED;
746 #endif
747 }
748
749 void touch (int col)
750 {
751 max_it (l, col);
752 touch ();
753 }
754 };
755
756 /****************************************************************************/
757
758 // primitive wrapper around mbstate_t to ensure initialisation
759 struct mbstate
760 {
761 mbstate_t mbs;
762
763 operator mbstate_t *() { return &mbs; }
764 void reset () { memset (&mbs, 0, sizeof (mbs)); }
765 mbstate () { reset (); }
766 };
767
768 /****************************************************************************/
769
770 #define UNICODE_MASK 0x1fffffUL
771
772 #if UNICODE_3
773 # define COMPOSE_LO 0x40000000UL
774 # define COMPOSE_HI 0x400fffffUL
775 # define IS_COMPOSE(n) ((int32_t)(n) >= COMPOSE_LO)
776 #else
777 # if ENABLE_PERL
778 # define COMPOSE_LO 0xe000UL // our _own_ functions don't like (illegal) surrogates
779 # define COMPOSE_HI 0xf8ffUL // in utf-8, so use private use area only
780 # else
781 # define COMPOSE_LO 0xd800UL
782 # define COMPOSE_HI 0xf8ffUL
783 # endif
784 # define IS_COMPOSE(n) IN_RANGE_INC ((n), COMPOSE_LO, COMPOSE_HI)
785 #endif
786
787 #if ENABLE_COMBINING
788 // compose chars are used to represent composite characters
789 // that are not representable in unicode, as well as characters
790 // not fitting in the BMP.
791 struct compose_char
792 {
793 unicode_t c1, c2; // any chars != NOCHAR are valid
794
795 compose_char (unicode_t c1, unicode_t c2)
796 : c1(c1), c2(c2)
797 { }
798 };
799
800 class rxvt_composite_vec
801 {
802 vector<compose_char> v;
803 public:
804 text_t compose (unicode_t c1, unicode_t c2 = NOCHAR);
805 int expand (unicode_t c, wchar_t *r);
806 compose_char *operator [](text_t c)
807 {
808 return c >= COMPOSE_LO && c < COMPOSE_LO + v.size ()
809 ? &v[c - COMPOSE_LO]
810 : 0;
811 }
812 };
813
814 extern class rxvt_composite_vec rxvt_composite;
815 #endif
816
817 /****************************************************************************/
818
819 #ifdef KEYSYM_RESOURCE
820 class keyboard_manager;
821 #endif
822
823 typedef struct rxvt_term *rxvt_t;
824
825 extern rxvt_t rxvt_current_term;
826
827 #define SET_R(r) rxvt_current_term = const_cast<rxvt_term *>(r)
828 #define GET_R rxvt_current_term
829
830 /* ------------------------------------------------------------------------- */
831 struct overlay_base
832 {
833 int x, y, w, h; // overlay dimensions
834 text_t **text;
835 rend_t **rend;
836
837 // while tempting to add swap() etc. here, it effectively only increases code size
838 };
839
840 /* ------------------------------------------------------------------------- */
841
842 typedef struct
843 {
844 int row;
845 int col;
846 } row_col_t;
847
848 /*
849 * terminal limits:
850 *
851 * width : 1 <= width
852 * height : 1 <= height
853 * ncol : 1 <= ncol <= MAX(tlen_t)
854 * nrow : 1 <= nrow <= MAX(int)
855 * saveLines : 0 <= saveLines <= MAX(int)
856 * term_start : 0 <= term_start < saveLines
857 * total_rows : nrow + saveLines
858 *
859 * top_row : -saveLines <= top_row <= 0
860 * view_start : top_row <= view_start <= 0
861 *
862 * | most coordinates are stored relative to term_start,
863 * ROW_BUF | which is the first line of the terminal screen
864 * |························= row_buf[0]
865 * |························= row_buf[1]
866 * |························= row_buf[2] etc.
867 * |
868 * +------------+···········= term_start + top_row
869 * | scrollback |
870 * | scrollback +---------+·= term_start + view_start
871 * | scrollback | display |
872 * | scrollback | display |
873 * +------------+·display·+·= term_start
874 * | terminal | display |
875 * | terminal +---------+
876 * | terminal |
877 * | terminal |
878 * +------------+···········= term_start + nrow - 1
879 * |
880 * |
881 * END······················= total_rows
882 */
883
884 struct TermWin_t
885 {
886 int vt_width; /* actual window width [pixels] */
887 int vt_height; /* actual window height [pixels] */
888 int width; /* window width [pixels] */
889 int height; /* window height [pixels] */
890 int fwidth; /* font width [pixels] */
891 int fheight; /* font height [pixels] */
892 int fbase; /* font ascent (baseline) [pixels] */
893 int ncol; /* window columns [characters] */
894 int nrow; /* window rows [characters] */
895 int focus; /* window has focus */
896 int mapped; /* window state mapped? */
897 int int_bwidth; /* internal border width */
898 int ext_bwidth; /* external border width */
899 int lineSpace; /* number of extra pixels between rows */
900 int letterSpace; /* number of extra pixels between columns */
901 int saveLines; /* number of lines that fit in scrollback */
902 int total_rows; /* total number of rows in this terminal */
903 int term_start; /* term lines start here */
904 int view_start; /* scrollback view starts here */
905 int top_row; /* topmost row index of scrollback */
906 Window parent; /* parent identifier */
907 Window vt; /* vt100 window */
908 GC gc; /* GC for drawing */
909 rxvt_drawable *drawable;
910 rxvt_fontset *fontset[4];
911 };
912
913 /*
914 * screen accounting:
915 * screen_t elements
916 * row: Cursor row position : 0 <= row < nrow
917 * col: Cursor column position : 0 <= col < ncol
918 * tscroll: Scrolling region top row inclusive : 0 <= row < nrow
919 * bscroll: Scrolling region bottom row inclusive : 0 <= row < nrow
920 *
921 * selection_t elements
922 * clicks: 1, 2 or 3 clicks - 4 indicates a special condition of 1 where
923 * nothing is selected
924 * beg: row/column of beginning of selection : never past mark
925 * mark: row/column of initial click : never past end
926 * end: row/column of one character past end of selection
927 * * Note: top_row <= beg.row <= mark.row <= end.row < nrow
928 * * Note: col == -1 ==> we're left of screen
929 *
930 */
931 struct screen_t
932 {
933 row_col_t cur; /* cursor position on the screen */
934 int tscroll; /* top of settable scroll region */
935 int bscroll; /* bottom of settable scroll region */
936 unsigned int charset; /* character set number [0..3] */
937 unsigned int flags; /* see below */
938 row_col_t s_cur; /* saved cursor position */
939 unsigned int s_charset; /* saved character set number [0..3] */
940 char s_charset_char;
941 rend_t s_rstyle; /* saved rendition style */
942 };
943
944 enum selection_op_t
945 {
946 SELECTION_CLEAR = 0, /* nothing selected */
947 SELECTION_INIT, /* marked a point */
948 SELECTION_BEGIN, /* started a selection */
949 SELECTION_CONT, /* continued selection */
950 SELECTION_DONE /* selection put in CUT_BUFFER0 */
951 };
952
953 struct selection_t
954 {
955 wchar_t *text; /* selected text */
956 unsigned int len; /* length of selected text */
957 unsigned int screen; /* screen being used */
958 unsigned int clicks; /* number of clicks */
959 selection_op_t op; /* current operation */
960 bool rect; /* rectangular selection? */
961 row_col_t beg; /* beginning of selection <= mark */
962 row_col_t mark; /* point of initial click <= end */
963 row_col_t end; /* one character past end point */
964 wchar_t *clip_text; /* text copied to the clipboard */
965 unsigned int clip_len; /* length of clipboard text */
966 };
967
968 /* ------------------------------------------------------------------------- */
969
970 /* screen_t flags */
971 #define Screen_Relative (1<<0) /* relative origin mode flag */
972 #define Screen_VisibleCursor (1<<1) /* cursor visible? */
973 #define Screen_Autowrap (1<<2) /* auto-wrap flag */
974 #define Screen_Insert (1<<3) /* insert mode (vs. overstrike) */
975 #define Screen_WrapNext (1<<4) /* need to wrap for next char? */
976 #define Screen_DefaultFlags (Screen_VisibleCursor | Screen_Autowrap)
977
978 /* rxvt_vars.options */
979 enum {
980 # define def(name) Opt_ ## name,
981 # define nodef(name) Opt_prev_ ## name, Opt_ ## name = 0, Opt_next_ ## name = Opt_prev_ ## name - 1,
982 Opt_0,
983 # include "optinc.h"
984 # undef nodef
985 # undef def
986 Opt_count
987 };
988
989 /* ------------------------------------------------------------------------- */
990
991 struct rxvt_vars : TermWin_t
992 {
993 scrollBar_t scrollBar;
994 uint8_t options[(Opt_count + 7) >> 3];
995 XSizeHints szHint;
996 rxvt_color *pix_colors;
997 Cursor TermWin_cursor; /* cursor for vt window */
998
999 line_t *row_buf; // all lines, scrollback + terminal, circular
1000 line_t *drawn_buf; // text on screen
1001 line_t *swap_buf; // lines for swap buffer
1002 char *tabs; /* per location: 1 == tab-stop */
1003 screen_t screen;
1004 screen_t swap;
1005 selection_t selection;
1006 rxvt_color pix_colors_focused[TOTAL_COLORS];
1007 #ifdef OFF_FOCUS_FADING
1008 rxvt_color pix_colors_unfocused[TOTAL_COLORS];
1009 #endif
1010 };
1011
1012 struct rxvt_term : zero_initialized, rxvt_vars, rxvt_screen
1013 {
1014
1015 // special markers with magic addresses
1016 static const char resval_undef []; // options specifically unset
1017 static const char resval_on []; // boolean options switched on
1018 static const char resval_off []; // or off
1019
1020 log_callback *log_hook; // log error messages through this hook, if != 0
1021 getfd_callback *getfd_hook; // convert remote to local fd, if != 0
1022 #if ENABLE_PERL
1023 rxvt_perl_term perl;
1024 #endif
1025 struct mbstate mbstate; // current input multibyte state
1026
1027 unsigned char want_refresh:1,
1028 current_screen:1, /* primary or secondary */
1029 num_scr_allow:1,
1030 bypass_keystate:1,
1031 #if ENABLE_FRILLS
1032 urgency_hint:1,
1033 #endif
1034 #if CURSOR_BLINK
1035 hidden_cursor:1,
1036 #endif
1037 #if TEXT_BLINK
1038 hidden_text:1,
1039 #endif
1040 #if POINTER_BLANK
1041 hidden_pointer:1,
1042 #endif
1043 enc_utf8:1, /* whether locale uses utf-8 */
1044 seen_input:1, /* whether we have seen some program output yet */
1045 seen_resize:1, /* whether we had a resize event */
1046 init_done:1,
1047 parsed_geometry:1;
1048
1049 unsigned char refresh_type,
1050 #ifdef META8_OPTION
1051 meta_char; /* Alt-key prefix */
1052 #endif
1053 /* ---------- */
1054 bool rvideo_state, rvideo_mode;
1055 #ifndef NO_BELL
1056 bool rvideo_bell;
1057 #endif
1058 int num_scr; /* screen: number of lines scrolled */
1059 int prev_ncol, /* screen: previous number of columns */
1060 prev_nrow; /* screen: previous number of rows */
1061 /* ---------- */
1062 rend_t rstyle;
1063 /* ---------- */
1064 #ifdef SELECTION_SCROLLING
1065 int scroll_selection_lines;
1066 int selection_save_x,
1067 selection_save_y,
1068 selection_save_state;
1069 #endif
1070 /* ---------- */
1071 int csrO, /* Hops - csr offset in thumb/slider to */
1072 /* give proper Scroll behaviour */
1073 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1074 mouse_slip_wheel_speed,
1075 #endif
1076 refresh_count,
1077 window_vt_x,
1078 window_vt_y,
1079 mouse_row,
1080 mouse_col,
1081 # ifdef POINTER_BLANK
1082 pointerBlankDelay,
1083 # endif
1084 multiClickTime,
1085 cursor_type,
1086 allowedxerror;
1087 /* ---------- */
1088 unsigned int ModLevel3Mask,
1089 ModMetaMask,
1090 ModNumLockMask;
1091 unsigned long priv_modes,
1092 SavedModes;
1093 /* ---------- */
1094 Atom *xa;
1095 /* ---------- */
1096 Time selection_time,
1097 clipboard_time;
1098 rxvt_selection *selection_req;
1099 pid_t cmd_pid; /* process id of child */
1100 /* ---------- */
1101 struct mouse_event MEvent;
1102 XComposeStatus compose;
1103 static struct termios def_tio;
1104 row_col_t oldcursor;
1105
1106 #ifdef HAVE_IMG
1107 enum {
1108 BG_IS_TRANSPARENT = 1 << 1,
1109 BG_NEEDS_REFRESH = 1 << 2,
1110 };
1111
1112 uint8_t bg_flags;
1113
1114 rxvt_img *bg_img;
1115 #endif
1116
1117 #if ENABLE_OVERLAY
1118 overlay_base ov;
1119
1120 void scr_swap_overlay () NOTHROW;
1121 void scr_overlay_new (int x, int y, int w, int h) NOTHROW;
1122 void scr_overlay_off () NOTHROW;
1123 void scr_overlay_set (int x, int y,
1124 text_t text,
1125 rend_t rend = OVERLAY_RSTYLE) NOTHROW;
1126 void scr_overlay_set (int x, int y, const char *s) NOTHROW;
1127 void scr_overlay_set (int x, int y, const wchar_t *s) NOTHROW;
1128 #endif
1129
1130 vector<void *> allocated; // free these memory blocks with free()
1131
1132 int parent_x, parent_y; // parent window position relative to root, only updated on demand
1133
1134 char *locale;
1135 char charsets[4];
1136 char *v_buffer; /* pointer to physical buffer */
1137 unsigned int v_buflen; /* size of area to write */
1138 stringvec *argv, *envv; /* if != 0, will be freed at destroy time */
1139 char **env;
1140
1141 #ifdef KEYSYM_RESOURCE
1142 keyboard_manager *keyboard;
1143 #endif
1144 #ifndef NO_RESOURCES
1145 XrmDatabase option_db;
1146 #endif
1147
1148 const char *rs[NUM_RESOURCES];
1149 /* command input buffering */
1150 char *cmdbuf_ptr, *cmdbuf_endp;
1151 char cmdbuf_base[CBUFSIZ];
1152
1153 ptytty *pty;
1154
1155 // chunk contains all line_t's as well as rend_t and text_t buffers
1156 // for drawn_buf, swap_buf and row_buf, in this order
1157 void *chunk;
1158 size_t chunk_size;
1159
1160 uint32_t rgb24_color[RGB24_CUBE_SIZE]; // the 24-bit color value
1161 uint16_t rgb24_seqno[RGB24_CUBE_SIZE]; // which one is older?
1162 uint16_t rgb24_sequence;
1163
1164 static vector<rxvt_term *> termlist; // a vector of all running rxvt_term's
1165
1166 #if ENABLE_FRILLS || ISO_14755
1167 // ISO 14755 entry support
1168 unicode_t iso14755buf;
1169 void commit_iso14755 ();
1170 # if ISO_14755
1171 void iso14755_51 (unicode_t ch, rend_t r = DEFAULT_RSTYLE, int x = 0, int y = -1, int y2 = -1);
1172 void iso14755_54 (int x, int y);
1173 # endif
1174 #endif
1175
1176 long vt_emask, vt_emask_perl, vt_emask_xim, vt_emask_mouse;
1177
1178 void vt_select_input () const NOTHROW
1179 {
1180 XSelectInput (dpy, vt, vt_emask | vt_emask_perl | vt_emask_xim | vt_emask_mouse);
1181 }
1182
1183 #if ENABLE_PERL
1184 void rootwin_cb (XEvent &xev);
1185 xevent_watcher rootwin_ev;
1186 #endif
1187
1188 void x_cb (XEvent &xev);
1189 xevent_watcher termwin_ev;
1190 xevent_watcher vt_ev;
1191 xevent_watcher scrollbar_ev;
1192
1193 void child_cb (ev::child &w, int revents); ev::child child_ev;
1194 void destroy_cb (ev::idle &w, int revents); ev::idle destroy_ev;
1195 void refresh_check ();
1196 void flush ();
1197 void flush_cb (ev::timer &w, int revents); ev::timer flush_ev;
1198 void cmdbuf_reify ();
1199 void cmdbuf_append (const char *str, size_t count);
1200 bool pty_fill ();
1201 void pty_cb (ev::io &w, int revents); ev::io pty_ev;
1202
1203 #ifdef CURSOR_BLINK
1204 void cursor_blink_reset ();
1205 void cursor_blink_cb (ev::timer &w, int revents); ev::timer cursor_blink_ev;
1206 #endif
1207 #ifdef TEXT_BLINK
1208 void text_blink_cb (ev::timer &w, int revents); ev::timer text_blink_ev;
1209 #endif
1210 #ifndef NO_BELL
1211 void bell_cb (ev::timer &w, int revents); ev::timer bell_ev;
1212 #endif
1213
1214 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1215 void cont_scroll_cb (ev::timer &w, int revents); ev::timer cont_scroll_ev;
1216 #endif
1217 #ifdef SELECTION_SCROLLING
1218 void sel_scroll_cb (ev::timer &w, int revents); ev::timer sel_scroll_ev;
1219 #endif
1220 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1221 void slip_wheel_cb (ev::timer &w, int revents); ev::timer slip_wheel_ev;
1222 #endif
1223
1224 #ifdef POINTER_BLANK
1225 void pointer_cb (ev::timer &w, int revents); ev::timer pointer_ev;
1226 void pointer_blank ();
1227 #endif
1228 void pointer_unblank ();
1229
1230 void tt_printf (const char *fmt,...);
1231 void tt_write_ (const char *data, unsigned int len);
1232 void tt_write (const char *data, unsigned int len);
1233 void tt_write_user_input (const char *data, unsigned int len);
1234 void pty_write ();
1235
1236 void make_current () const // make this the "currently active" urxvt instance
1237 {
1238 SET_R (this);
1239 set_environ (env);
1240 rxvt_set_locale (locale);
1241 }
1242
1243 #if USE_XIM
1244 rxvt_xim *input_method;
1245 XIC Input_Context;
1246 XIMStyle input_style;
1247 XPoint spot; // most recently sent spot position
1248
1249 void im_destroy ();
1250 void im_cb (); im_watcher im_ev;
1251 void im_set_size (XRectangle &size);
1252 void im_set_position (XPoint &pos) NOTHROW;
1253 void im_set_color (unsigned long &fg, unsigned long &bg);
1254 void im_set_preedit_area (XRectangle &preedit_rect, XRectangle &status_rect, const XRectangle &needed_rect);
1255
1256 bool im_is_running ();
1257 void im_send_spot ();
1258 bool im_get_ic (const char *modifiers);
1259 void im_set_position ();
1260 #endif
1261
1262 // command.C
1263 void key_press (XKeyEvent &ev);
1264 void key_release (XKeyEvent &ev);
1265
1266 wchar_t next_char () NOTHROW;
1267 wchar_t cmd_getc () THROW ((class out_of_input));
1268 uint32_t next_octet () NOTHROW;
1269 uint32_t cmd_get8 () THROW ((class out_of_input));
1270
1271 void cmd_parse ();
1272 void mouse_report (XButtonEvent &ev);
1273 void button_press (XButtonEvent &ev);
1274 void button_release (XButtonEvent &ev);
1275 void focus_in ();
1276 void focus_out ();
1277 #if ENABLE_FRILLS
1278 void set_urgency (bool enable);
1279 #else
1280 void set_urgency (bool enable) { }
1281 #endif
1282 void update_fade_color (unsigned int idx, bool first_time = false);
1283 #ifdef PRINTPIPE
1284 FILE *popen_printer ();
1285 int pclose_printer (FILE *stream);
1286 #endif
1287 void process_print_pipe ();
1288 void process_nonprinting (unicode_t ch);
1289 void process_escape_vt52 (unicode_t ch);
1290 void process_escape_seq ();
1291 void process_csi_seq ();
1292 void process_window_ops (const int *args, unsigned int nargs);
1293 char *get_to_st (unicode_t &ends_how);
1294 void process_dcs_seq ();
1295 void process_osc_seq ();
1296 void process_color_seq (int report, int color, const char *str, char resp);
1297 void process_xterm_seq (int op, char *str, char resp);
1298 unsigned int map_rgb24_color (unsigned int r, unsigned int g, unsigned int b, unsigned int a);
1299 int privcases (int mode, unsigned long bit);
1300 void process_terminal_mode (int mode, int priv, unsigned int nargs, const int *arg);
1301 void process_sgr_mode (unsigned int nargs, const int *arg);
1302 void set_cursor_style (int style);
1303 // init.C
1304 void init (stringvec *argv, stringvec *envv);
1305 void init (int argc, const char *const *argv, const char *const *envv);
1306 void init2 (int argc, const char *const *argv);
1307 void init_vars ();
1308 const char **init_resources (int argc, const char *const *argv);
1309 void init_env ();
1310 void set_locale (const char *locale);
1311 void init_xlocale ();
1312 void init_command (const char *const *argv);
1313 void run_command (const char *const *argv);
1314 int run_child (const char *const *argv);
1315 void color_aliases (int idx);
1316 void create_windows (int argc, const char *const *argv);
1317 void get_colors ();
1318 void get_ourmods ();
1319 void set_icon (const char *file);
1320 // main.C
1321 void tt_winch ();
1322 rxvt_term ();
1323 ~rxvt_term ();
1324 void destroy ();
1325 void emergency_cleanup ();
1326 void recolor_cursor ();
1327 void resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent);
1328 void window_calc (unsigned int newwidth, unsigned int newheight);
1329 bool set_fonts ();
1330 void set_string_property (Atom prop, const char *str, int len = -1);
1331 void set_mbstring_property (Atom prop, const char *str, int len = -1);
1332 void set_utf8_property (Atom prop, const char *str, int len = -1);
1333 void set_title (const char *str);
1334 void set_icon_name (const char *str);
1335 void set_window_color (int idx, const char *color);
1336 char *get_colorfgbg ();
1337 bool set_color (rxvt_color &color, const char *name);
1338 void alias_color (int dst, int src);
1339 void set_widthheight (unsigned int newwidth, unsigned int newheight);
1340 void get_window_origin (int &x, int &y);
1341
1342 // screen.C
1343
1344 bool option (uint8_t opt) const NOTHROW
1345 {
1346 return options[opt >> 3] & (1 << (opt & 7));
1347 }
1348
1349 void set_option (uint8_t opt, bool set = true) NOTHROW;
1350
1351 int fgcolor_of (rend_t r) const NOTHROW
1352 {
1353 int base = GET_BASEFG (r);
1354 #ifndef NO_BRIGHTCOLOR
1355 if (r & RS_Bold
1356 # if ENABLE_STYLES
1357 && option (Opt_intensityStyles)
1358 # endif
1359 && IN_RANGE_EXC (base, minCOLOR, minBrightCOLOR))
1360 base += minBrightCOLOR - minCOLOR;
1361 #endif
1362 return base;
1363 }
1364
1365 int bgcolor_of (rend_t r) const NOTHROW
1366 {
1367 int base = GET_BASEBG (r);
1368 #ifndef NO_BRIGHTCOLOR
1369 if (r & RS_Blink
1370 # if ENABLE_STYLES
1371 && option (Opt_intensityStyles)
1372 # endif
1373 && IN_RANGE_EXC (base, minCOLOR, minBrightCOLOR))
1374 base += minBrightCOLOR - minCOLOR;
1375 #endif
1376 return base;
1377 }
1378
1379 // modifies first argument(!)
1380 void tt_paste (char *data, unsigned int len) NOTHROW;
1381 void paste (char *data, unsigned int len) NOTHROW;
1382 void scr_alloc () NOTHROW;
1383 void scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const NOTHROW;
1384 void scr_blank_screen_mem (line_t &l, rend_t efs) const NOTHROW;
1385 void scr_kill_char (line_t &l, int col) const NOTHROW;
1386 void scr_set_char_rend (line_t &l, int col, rend_t rend);
1387 int scr_scroll_text (int row1, int row2, int count) NOTHROW;
1388 void copy_line (line_t &dst, line_t &src);
1389 void scr_reset ();
1390 void scr_release () NOTHROW;
1391 void scr_clear (bool really = false) NOTHROW;
1392 void scr_refresh () NOTHROW;
1393 bool scr_refresh_rend (rend_t mask, rend_t value) NOTHROW;
1394 void scr_erase_screen (int mode) NOTHROW;
1395 #if ENABLE_FRILLS
1396 void scr_erase_savelines () NOTHROW;
1397 void scr_backindex () NOTHROW;
1398 void scr_forwardindex () NOTHROW;
1399 #endif
1400 void scr_touch (bool refresh) NOTHROW;
1401 void scr_expose (int x, int y, int width, int height, bool refresh) NOTHROW;
1402 void scr_recolor (bool refresh = true) NOTHROW;
1403 void scr_remap_chars () NOTHROW;
1404 void scr_remap_chars (line_t &l) NOTHROW;
1405
1406 enum cursor_mode { SAVE, RESTORE };
1407
1408 void scr_poweron ();
1409 void scr_soft_reset () NOTHROW;
1410 void scr_cursor (cursor_mode mode) NOTHROW;
1411 void scr_do_wrap () NOTHROW;
1412 void scr_swap_screen () NOTHROW;
1413 void scr_change_screen (int scrn);
1414 void scr_color (unsigned int color, int fgbg) NOTHROW;
1415 void scr_rendition (int set, int style) NOTHROW;
1416 void scr_add_lines (const wchar_t *str, int len, int minlines = 0) NOTHROW;
1417 void scr_backspace () NOTHROW;
1418 void scr_tab (int count, bool ht = false) NOTHROW;
1419 void scr_gotorc (int row, int col, int relative) NOTHROW;
1420 void scr_index (enum page_dirn direction) NOTHROW;
1421 void scr_erase_line (int mode) NOTHROW;
1422 void scr_E () NOTHROW;
1423 void scr_insdel_lines (int count, int insdel) NOTHROW;
1424 void scr_insdel_chars (int count, int insdel) NOTHROW;
1425 void scr_scroll_region (int top, int bot) NOTHROW;
1426 void scr_cursor_visible (int mode) NOTHROW;
1427 void scr_autowrap (int mode) NOTHROW;
1428 void scr_relative_origin (int mode) NOTHROW;
1429 void scr_insert_mode (int mode) NOTHROW;
1430 void scr_set_tab (int mode) NOTHROW;
1431 void scr_rvideo_mode (bool on) NOTHROW;
1432 void scr_report_position () NOTHROW;
1433 void set_font_style () NOTHROW;
1434 void scr_charset_choose (int set) NOTHROW;
1435 void scr_charset_set (int set, unsigned int ch) NOTHROW;
1436 void scr_move_to (int y, int len) NOTHROW;
1437 bool scr_page (int nlines) NOTHROW;
1438 bool scr_page (enum page_dirn direction, int nlines) NOTHROW
1439 {
1440 return scr_page (direction * nlines);
1441 }
1442 bool scr_changeview (int new_view_start) NOTHROW;
1443 void scr_bell () NOTHROW;
1444 void scr_printscreen (int fullhist) NOTHROW;
1445 void scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) NOTHROW;
1446 void scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) NOTHROW;
1447 void scr_reverse_selection () NOTHROW;
1448 void scr_dump (int fd) NOTHROW;
1449
1450 void selection_check (int check_more) NOTHROW;
1451 void selection_changed () NOTHROW; /* sets want_refresh, corrects coordinates */
1452 void selection_request (Time tm, int selnum = Sel_Primary) NOTHROW;
1453 void selection_clear (bool clipboard = false) NOTHROW;
1454 void selection_make (Time tm);
1455 bool selection_grab (Time tm, bool clipboard = false) NOTHROW;
1456 void selection_start_colrow (int col, int row) NOTHROW;
1457 void selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW;
1458 void selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW;
1459 void selection_remove_trailing_spaces () NOTHROW;
1460 void selection_send (const XSelectionRequestEvent &rq) NOTHROW;
1461 void selection_click (int clicks, int x, int y) NOTHROW;
1462 void selection_extend (int x, int y, int flag) NOTHROW;
1463 void selection_rotate (int x, int y) NOTHROW;
1464
1465 // xdefaults.C
1466 void rxvt_usage (int type);
1467 const char **get_options (int argc, const char *const *argv);
1468 int parse_keysym (const char *str, unsigned int &state);
1469 int bind_action (const char *str, const char *arg);
1470 const char *x_resource (const char *name);
1471 void extract_resources ();
1472 void enumerate_resources (void (*cb)(rxvt_term *, const char *, const char *), const char *name_p = 0, const char *class_p = 0);
1473 void enumerate_keysym_resources (void (*cb)(rxvt_term *, const char *, const char *))
1474 {
1475 enumerate_resources (cb, "keysym", "Keysym");
1476 }
1477 void extract_keysym_resources ();
1478 };
1479
1480 #endif /* _RXVT_H_ */
1481