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 #include <libptytty.h>
30
31 // we assume that Xlib.h defines XPointer, and it does since at least 1994...
32
33 extern "C" {
34 #include <X11/Xlib.h>
35 #include <X11/Xutil.h>
36 #include <X11/Xresource.h>
37 }
38
39 #if UNICODE_3
40 typedef uint32_t text_t;
41 #else
42 typedef uint16_t text_t; // saves lots of memory
43 #endif
44 typedef uint32_t rend_t;
45 typedef int32_t tlen_t; // was int16_t, but this results in smaller code and memory use
46 typedef int32_t tlen_t_; // specifically for use in the line_t structure
47
48 #include "feature.h"
49
50 #if defined (ISO_14755) || defined (ENABLE_PERL)
51 # define ENABLE_OVERLAY 1
52 #endif
53
54 #if ENABLE_PERL
55 # define ENABLE_FRILLS 1
56 # define ENABLE_COMBINING 1
57 #endif
58
59 #if ENABLE_FRILLS
60 # define ENABLE_XEMBED 1
61 # define ENABLE_EWMH 1
62 # define ENABLE_XIM_ONTHESPOT 1
63 # define CURSOR_BLINK 1
64 # define OPTION_HC 1
65 # define BUILTIN_GLYPHS 1
66 #else
67 # define ENABLE_MINIMAL 1
68 #endif
69
70 #include <limits.h>
71
72 #include <X11/cursorfont.h>
73 #include <X11/keysym.h>
74 #include <X11/keysymdef.h>
75 #include <X11/Xatom.h>
76
77 #if HAVE_PIXBUF
78 # include <gdk-pixbuf/gdk-pixbuf.h>
79 #endif
80
81 #if XRENDER && (HAVE_PIXBUF || ENABLE_TRANSPARENCY)
82 # define HAVE_IMG 1
83 #endif
84
85 #define ECB_NO_THREADS 1
86 #include "ecb.h"
87
88 #include "encoding.h"
89 #include "rxvtutil.h"
90 #include "rxvtfont.h"
91 #include "rxvttoolkit.h"
92 #include "rxvtimg.h"
93 #include "scrollbar.h"
94 #include "ev_cpp.h"
95
96 #include "rxvtperl.h"
97
98 // try to avoid some macros to decrease code size, on some systems
99 #if ENABLE_MINIMAL
100 # define strcmp(a,b) (strcmp)(a,b)
101 # define strlen(a) (strlen)(a)
102 # define strcpy(a,b) (strcpy)(a,b)
103 # define memset(a,c,l) (memset)(a,c,l)
104 # define memcpy(a,b,l) (memcpy)(a,b,l)
105 #endif
106
107 /*
108 *****************************************************************************
109 * SYSTEM HACKS
110 *****************************************************************************
111 */
112
113 #include <termios.h>
114
115 #ifndef STDIN_FILENO
116 # define STDIN_FILENO 0
117 # define STDOUT_FILENO 1
118 # define STDERR_FILENO 2
119 #endif
120
121 #ifndef EXIT_SUCCESS /* missing from <stdlib.h> */
122 # define EXIT_SUCCESS 0 /* exit function success */
123 # define EXIT_FAILURE 1 /* exit function failure */
124 #endif
125
126 /****************************************************************************/
127
128 // exception thrown on fatal (per-instance) errors
129 class rxvt_failure_exception : public std::exception
130 {
131 public:
132 const char *
what()133 what () const noexcept override
134 {
135 return "";
136 }
137 };
138
139 // exception thrown when the command parser runs out of input data
140 class out_of_input { };
141
142 /*
143 *****************************************************************************
144 * PROTOTYPES
145 *****************************************************************************
146 */
147 // main.C
148 #define SET_LOCALE(locale) rxvt_set_locale (locale)
149 extern bool rxvt_set_locale (const char *locale) noexcept;
150 extern void rxvt_push_locale (const char *locale) noexcept;
151 extern void rxvt_pop_locale () noexcept;
152 void rxvt_init ();
153
154 // misc.C
155 char * rxvt_wcstombs (const wchar_t *str, int len = -1);
156 wchar_t * rxvt_mbstowcs (const char *str, int len = -1);
157 char * rxvt_wcstoutf8 (const wchar_t *str, int len = -1);
158 wchar_t * rxvt_utf8towcs (const char *str, int len = -1);
159
160 const char * rxvt_basename (const char *str) noexcept;
161 void rxvt_vlog (const char *fmt, va_list arg_ptr) noexcept;
162 void rxvt_log (const char *fmt,...) noexcept;
163 void rxvt_warn (const char *fmt,...) noexcept;
164 ecb_noreturn ecb_cold
165 void rxvt_fatal (const char *fmt, ...);
166 ecb_noreturn ecb_cold
167 void rxvt_exit_failure ();
168
169 void * rxvt_malloc (size_t size);
170 void * rxvt_calloc (size_t number, size_t size);
171 void * rxvt_realloc (void *ptr, size_t size);
172
173 char * rxvt_strtrim (char *str) noexcept;
174 char ** rxvt_strsplit (char delim, const char *str) noexcept;
175
176 static inline void
rxvt_free_strsplit(char ** ptr)177 rxvt_free_strsplit (char **ptr) noexcept
178 {
179 free (ptr[0]);
180 free (ptr);
181 }
182
183 KeySym rxvt_XKeycodeToKeysym (Display *dpy, KeyCode keycode, int index);
184
185 /////////////////////////////////////////////////////////////////////////////
186
187 // temporarily replace the process environment
188 extern char **environ;
189 extern char **rxvt_environ; // the original environ pointer
190
191 static inline void
set_environ(char ** envv)192 set_environ (char **envv)
193 {
194 #if ENABLE_PERL
195 assert (envv);
196 #else
197 if (envv)
198 #endif
199 environ = envv;
200 }
201
202 struct localise_env
203 {
204 char **orig_env;
205
localise_envlocalise_env206 localise_env (char **new_env)
207 {
208 orig_env = environ;
209 environ = new_env;
210 }
211
~localise_envlocalise_env212 ~localise_env ()
213 {
214 environ = orig_env;
215 }
216 };
217
218 /*
219 *****************************************************************************
220 * STRUCTURES AND TYPEDEFS
221 *****************************************************************************
222 */
223
224 /*
225 * the 'essential' information for reporting Mouse Events
226 * pared down from XButtonEvent
227 */
228 struct mouse_event
229 {
230 int clicks;
231 Time time; /* milliseconds */
232 unsigned int state; /* key or button mask */
233 unsigned int button; /* detail */
234 };
235
236 #if ENABLE_XEMBED
237 // XEMBED messages
238 # define XEMBED_EMBEDDED_NOTIFY 0
239 # define XEMBED_WINDOW_ACTIVATE 1
240 # define XEMBED_WINDOW_DEACTIVATE 2
241 # define XEMBED_REQUEST_FOCUS 3
242 # define XEMBED_FOCUS_IN 4
243 # define XEMBED_FOCUS_OUT 5
244 # define XEMBED_FOCUS_NEXT 6
245 # define XEMBED_FOCUS_PREV 7
246
247 # define XEMBED_MODALITY_ON 10
248 # define XEMBED_MODALITY_OFF 11
249 # define XEMBED_REGISTER_ACCELERATOR 12
250 # define XEMBED_UNREGISTER_ACCELERATOR 13
251 # define XEMBED_ACTIVATE_ACCELERATOR 14
252
253 // XEMBED detail code
254 # define XEMBED_FOCUS_CURRENT 0
255 # define XEMBED_FOCUS_FIRST 1
256 # define XEMBED_FOCUS_LAST 2
257
258 # define XEMBED_MAPPED (1 << 0)
259 #endif
260
261 /*
262 *****************************************************************************
263 * NORMAL DEFINES
264 *****************************************************************************
265 */
266
267 /* COLORTERM, TERM environment variables */
268 #define COLORTERMENV "rxvt"
269 #if HAVE_IMG
270 # define COLORTERMENVFULL COLORTERMENV "-xpm"
271 #else
272 # define COLORTERMENVFULL COLORTERMENV
273 #endif
274 #ifndef TERMENV
275 # if USE_256_COLORS
276 # define TERMENV "rxvt-unicode-256color"
277 # else
278 # define TERMENV "rxvt-unicode"
279 # endif
280 #endif
281
282 // Hidden color cube for indexed 24-bit colors. There are fewer blue levels
283 // because normal human eye is less sensitive to the blue component than to
284 // the red or green. (https://en.m.wikipedia.org/wiki/Color_depth#8-bit_color)
285 #if USE_256_COLORS
286 // 7x7x5=245 < 254 unused color indices
287 # define Red_levels 7
288 # define Green_levels 7
289 # define Blue_levels 5
290 #else
291 // 6x6x4=144 < 166 unused color indices
292 # define Red_levels 6
293 # define Green_levels 6
294 # define Blue_levels 4
295 #endif
296
297 #define RGB24_CUBE_SIZE (Red_levels * Green_levels * Blue_levels)
298
299 #if defined (NO_MOUSE_REPORT) && !defined (NO_MOUSE_REPORT_SCROLLBAR)
300 # define NO_MOUSE_REPORT_SCROLLBAR 1
301 #endif
302
303 #define scrollBar_esc 30
304
305 #if !defined (RXVT_SCROLLBAR) && !defined (NEXT_SCROLLBAR)
306 # define NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING 1
307 #endif
308
309 enum {
310 NO_REFRESH = 0, /* Window not visible at all! */
311 FAST_REFRESH = 1, /* Fully exposed window */
312 SLOW_REFRESH = 2, /* Partially exposed window */
313 };
314
315 #ifdef NO_SECONDARY_SCREEN
316 # define NSCREENS 0
317 #else
318 # define NSCREENS 1
319 #endif
320
321 /* flags for rxvt_term::scr_gotorc () */
322 enum {
323 C_RELATIVE = 1, /* col movement is relative */
324 R_RELATIVE = 2, /* row movement is relative */
325 RELATIVE = C_RELATIVE | R_RELATIVE,
326 };
327
328 /* modes for rxvt_term::scr_insdel_chars (), rxvt_term::scr_insdel_lines () */
329 enum {
330 INSERT = -1, /* don't change these values */
331 DELETE = +1,
332 ERASE = +2,
333 };
334
335 /* modes for rxvt_term::scr_page () - scroll page. used by scrollbar window */
336 enum page_dirn {
337 DN = -1,
338 NO_DIR = 0,
339 UP = 1,
340 };
341
342 /* arguments for rxvt_term::scr_change_screen () */
343 enum {
344 PRIMARY = 0,
345 SECONDARY,
346 };
347
348 // define various rendition bits and masks. the rendition word
349 // is 32 bits in size, and we should use it as efficiently as possible
350
351 #define RS_None 0
352
353 // GET_BGATTR depends on RS_fgShift > RS_bgShift
354 #define RS_colorMask ((1UL << Color_Bits) - 1UL)
355 #define RS_bgShift 0
356 #define RS_fgShift (RS_bgShift + Color_Bits)
357 #define RS_bgMask (RS_colorMask << RS_bgShift)
358 #define RS_fgMask (RS_colorMask << RS_fgShift)
359
360 // must have space for rxvt_fontset::fontCount * 2 + 2 values
361 #define RS_fontShift (RS_fgShift + Color_Bits)
362 #define RS_Careful (1UL << RS_fontShift) /* be careful when drawing these */
363 #define RS_fontCount rxvt_fontset::fontCount
364 #define RS_fontMask ((RS_fontCount << (RS_fontShift + 1)) | RS_Careful) // includes RS_Careful
365
366 // toggle this to force redraw, must be != RS_Careful and otherwise "pretty neutral"
367 #define RS_redraw (2UL << RS_fontShift)
368
369 #define RS_Sel (1UL << 22)
370
371 // 4 custom bits for extensions
372 #define RS_customCount 16UL
373 #define RS_customShift 23
374 #define RS_customMask ((RS_customCount - 1UL) << RS_customShift)
375
376 // font styles
377 #define RS_Bold (1UL << RS_styleShift)
378 #define RS_Italic (2UL << RS_styleShift)
379
380 #define RS_styleCount 4
381 #define RS_styleShift 27
382 #define RS_styleMask (RS_Bold | RS_Italic)
383
384 // fake styles
385 #define RS_Blink (1UL << 29)
386 #define RS_RVid (1UL << 30) // reverse video
387 #define RS_Uline (1UL << 31) // underline
388
389 #define RS_baseattrMask (RS_Italic | RS_Bold | RS_Blink | RS_RVid | RS_Uline)
390 #define RS_attrMask (RS_baseattrMask | RS_fontMask)
391
392 #define DEFAULT_RSTYLE (RS_None | (Color_fg << RS_fgShift) | (Color_bg << RS_bgShift))
393 #define OVERLAY_RSTYLE (RS_None | (Color_Black << RS_fgShift) | (Color_Yellow << RS_bgShift))
394
395 enum {
396 C0_NUL = 0x00,
397 C0_SOH, C0_STX, C0_ETX, C0_EOT, C0_ENQ, C0_ACK, C0_BEL,
398 C0_BS , C0_HT , C0_LF , C0_VT , C0_FF , C0_CR , C0_SO , C0_SI ,
399 C0_DLE, C0_DC1, C0_DC2, D0_DC3, C0_DC4, C0_NAK, C0_SYN, C0_ETB,
400 C0_CAN, C0_EM , C0_SUB, C0_ESC, C0_IS4, C0_IS3, C0_IS2, C0_IS1,
401 };
402 #define CHAR_ST 0x9c /* 0234 */
403
404 /*
405 * XTerm Operating System Commands: ESC ] Ps;Pt (ST|BEL)
406 * colour extensions by Christian W. Zuckschwerdt <zany@triq.net>
407 */
408 enum {
409 XTerm_name = 0,
410 XTerm_iconName = 1,
411 XTerm_title = 2,
412 XTerm_property = 3, // change X property
413 XTerm_Color = 4, // change colors
414 XTerm_Color00 = 10, // change fg color
415 XTerm_Color01 = 11, // change bg color
416 XTerm_Color_cursor = 12, // change actual 'Cursor' color
417 XTerm_Color_pointer_fg = 13, // change actual 'Pointer' fg color
418 XTerm_Color_pointer_bg = 14, // change actual 'Pointer' bg color
419 XTerm_Color05 = 15, // not implemented (tektronix fg)
420 XTerm_Color06 = 16, // not implemented (tektronix bg)
421 XTerm_Color_HC = 17, // change actual 'Highlight' bg color
422 XTerm_Color_HTC = 19, // change actual 'Highlight' fg color
423 XTerm_logfile = 46, // not implemented
424 XTerm_font = 50,
425
426 XTerm_konsole30 = 30, // reserved for konsole
427 XTerm_konsole31 = 31, // reserved for konsole
428 XTerm_emacs51 = 51, // reserved for emacs shell
429 /*
430 * rxvt extensions of XTerm OSCs: ESC ] Ps;Pt (ST|BEL)
431 */
432
433 // deprecated
434 Rxvt_restoreFG = 39,
435 Rxvt_restoreBG = 49,
436
437 Rxvt_dumpscreen = 55, // dump scrollback and all of screen
438
439 URxvt_locale = 701, // change locale
440 URxvt_version = 702, // request version
441
442 URxvt_Color_IT = 704, // change actual 'Italic' colour
443 URxvt_Color_BD = 706, // change actual 'Bold' color
444 URxvt_Color_UL = 707, // change actual 'Underline' color
445 URxvt_Color_border = 708,
446
447 URxvt_font = 710,
448 URxvt_boldFont = 711,
449 URxvt_italicFont = 712,
450 URxvt_boldItalicFont = 713,
451
452 URxvt_view_up = 720,
453 URxvt_view_down = 721,
454
455 URxvt_cellinfo = 776, // returns font cell width, height etc.
456 URxvt_perl = 777, // for use by perl extensions, starts with "extension-name;"
457 };
458
459 /* Words starting with `Color_' are colours. Others are counts */
460 /*
461 * The PixColor and rendition colour usage should probably be decoupled
462 * on the unnecessary items, e.g. Color_pointer, but won't bother
463 * until we need to. Also, be aware of usage in pixcolor_set
464 */
465
466 enum colour_list {
467 Color_none = -2,
468 Color_transparent = -1,
469 Color_fg = 0,
470 Color_bg,
471 minCOLOR, /* 2 */
472 Color_Black = minCOLOR,
473 Color_Red3,
474 Color_Green3,
475 Color_Yellow3,
476 Color_Blue3,
477 Color_Magenta3,
478 Color_Cyan3,
479 maxCOLOR, /* minCOLOR + 7 */
480 #ifndef NO_BRIGHTCOLOR
481 Color_AntiqueWhite = maxCOLOR,
482 minBrightCOLOR, /* maxCOLOR + 1 */
483 Color_Grey25 = minBrightCOLOR,
484 Color_Red,
485 Color_Green,
486 Color_Yellow,
487 Color_Blue,
488 Color_Magenta,
489 Color_Cyan,
490 maxBrightCOLOR, /* minBrightCOLOR + 7 */
491 Color_White = maxBrightCOLOR,
492 #else
493 Color_White = maxCOLOR,
494 #endif
495 minTermCOLOR = Color_White + 1,
496 #if USE_256_COLORS
497 maxTermCOLOR = Color_White + 240,
498 #else
499 maxTermCOLOR = Color_White + 72,
500 #endif
501 minTermCOLOR24,
502 maxTermCOLOR24 = minTermCOLOR24 +
503 RGB24_CUBE_SIZE - 1,
504 #ifndef NO_CURSORCOLOR
505 Color_cursor,
506 Color_cursor2,
507 #endif
508 Color_pointer_fg,
509 Color_pointer_bg,
510 Color_border,
511 #ifndef NO_BOLD_UNDERLINE_REVERSE
512 Color_BD,
513 Color_IT,
514 Color_UL,
515 Color_RV,
516 #endif
517 #if ENABLE_FRILLS
518 Color_underline,
519 #endif
520 #ifdef OPTION_HC
521 Color_HC,
522 Color_HTC,
523 #endif
524 Color_scroll,
525 #ifdef RXVT_SCROLLBAR
526 Color_trough,
527 #endif
528 #if OFF_FOCUS_FADING
529 Color_fade,
530 #endif
531 NRS_COLORS, /* */
532 #ifdef RXVT_SCROLLBAR
533 Color_topShadow = NRS_COLORS,
534 Color_bottomShadow,
535 TOTAL_COLORS
536 #else
537 TOTAL_COLORS = NRS_COLORS
538 #endif
539 };
540
541 #if USE_256_COLORS
542 # define Color_Bits 9 // 0 .. maxTermCOLOR24
543 #else
544 # define Color_Bits 8 // 0 .. maxTermCOLOR24
545 #endif
546
547 #if maxTermCOLOR24 >= (1 << Color_Bits)
548 # error color index overflow
549 #endif
550
551 /*
552 * Resource list
553 */
554 enum {
555 # define def(name) Rs_ ## name,
556 # define reserve(name,count) Rs_ ## name ## _ = Rs_ ## name + (count) - 1,
557 # include "rsinc.h"
558 # undef def
559 # undef reserve
560 NUM_RESOURCES
561 };
562
563 /* DEC private modes */
564 #define PrivMode_132 (1UL<<0)
565 #define PrivMode_132OK (1UL<<1)
566 #define PrivMode_rVideo (1UL<<2)
567 #define PrivMode_relOrigin (1UL<<3)
568 #define PrivMode_Screen (1UL<<4)
569 #define PrivMode_Autowrap (1UL<<5)
570 #define PrivMode_aplCUR (1UL<<6)
571 #define PrivMode_aplKP (1UL<<7)
572 #define PrivMode_HaveBackSpace (1UL<<8)
573 #define PrivMode_BackSpace (1UL<<9)
574 #define PrivMode_ShiftKeys (1UL<<10)
575 #define PrivMode_VisibleCursor (1UL<<11)
576 #define PrivMode_MouseX10 (1UL<<12)
577 #define PrivMode_MouseX11 (1UL<<13)
578 #define PrivMode_scrollBar (1UL<<14)
579 #define PrivMode_TtyOutputInh (1UL<<15)
580 #define PrivMode_Keypress (1UL<<16)
581 #define PrivMode_smoothScroll (1UL<<17)
582 #define PrivMode_vt52 (1UL<<18)
583 #define PrivMode_LFNL (1UL<<19)
584 #define PrivMode_MouseBtnEvent (1UL<<20)
585 #define PrivMode_MouseAnyEvent (1UL<<21)
586 #define PrivMode_BracketPaste (1UL<<22)
587 #define PrivMode_ExtMouseUTF8 (1UL<<23) // xterm pseudo-utf-8 hack
588 #define PrivMode_ExtMouseUrxvt (1UL<<24) // xterm pseudo-utf-8, but works in non-utf-8-locales
589 #define PrivMode_BlinkingCursor (1UL<<25)
590 #define PrivMode_FocusEvent (1UL<<26)
591 #define PrivMode_ExtMouseSGR (1UL<<27)
592
593 #define PrivMode_mouse_report (PrivMode_MouseX10|PrivMode_MouseX11|PrivMode_MouseBtnEvent|PrivMode_MouseAnyEvent)
594
595 #ifdef ALLOW_132_MODE
596 # define PrivMode_Default (PrivMode_Autowrap|PrivMode_ShiftKeys|PrivMode_VisibleCursor|PrivMode_132OK)
597 #else
598 # define PrivMode_Default (PrivMode_Autowrap|PrivMode_ShiftKeys|PrivMode_VisibleCursor)
599 #endif
600
601 // do not change these constants lightly, there are many interdependencies
602 #define IMBUFSIZ 128 // input modifier buffer sizes
603 #define KBUFSZ 512 // size of keyboard mapping buffer
604 #define CBUFSIZ 32768 // size of command buffer (longest command sequence possible)
605 #define CBUFCNT 8 // never call pty_fill/cmd_parse more than this often in a row
606 #define UBUFSIZ 2048 // character buffer
607
608 #if ENABLE_FRILLS
609 # include <X11/Xmd.h>
610 typedef struct _mwmhints
611 {
612 CARD32 flags;
613 CARD32 functions;
614 CARD32 decorations;
615 INT32 input_mode;
616 CARD32 status;
617 } MWMHints;
618 #endif
619
620 /* Motif window hints */
621 #define MWM_HINTS_FUNCTIONS (1L << 0)
622 #define MWM_HINTS_DECORATIONS (1L << 1)
623 #define MWM_HINTS_INPUT_MODE (1L << 2)
624 #define MWM_HINTS_STATUS (1L << 3)
625 /* bit definitions for MwmHints.functions */
626 #define MWM_FUNC_ALL (1L << 0)
627 #define MWM_FUNC_RESIZE (1L << 1)
628 #define MWM_FUNC_MOVE (1L << 2)
629 #define MWM_FUNC_MINIMIZE (1L << 3)
630 #define MWM_FUNC_MAXIMIZE (1L << 4)
631 #define MWM_FUNC_CLOSE (1L << 5)
632 /* bit definitions for MwmHints.decorations */
633 #define MWM_DECOR_ALL (1L << 0)
634 #define MWM_DECOR_BORDER (1L << 1)
635 #define MWM_DECOR_RESIZEH (1L << 2)
636 #define MWM_DECOR_TITLE (1L << 3)
637 #define MWM_DECOR_MENU (1L << 4)
638 #define MWM_DECOR_MINIMIZE (1L << 5)
639 #define MWM_DECOR_MAXIMIZE (1L << 6)
640 /* bit definitions for MwmHints.inputMode */
641 #define MWM_INPUT_MODELESS 0
642 #define MWM_INPUT_PRIMARY_APPLICATION_MODAL 1
643 #define MWM_INPUT_SYSTEM_MODAL 2
644 #define MWM_INPUT_FULL_APPLICATION_MODAL 3
645 #define PROP_MWM_HINTS_ELEMENTS 5
646
647 /*
648 *****************************************************************************
649 * MACRO DEFINES
650 *****************************************************************************
651 */
652
653 // speed hack, copy some member variable into a local variable of the same name
654 #define dLocal(type,name) type const name = this->name
655
656 // for speed reasons, we assume that all codepoints 32 to 126 are
657 // single-width.
658 #define WCWIDTH(c) (IN_RANGE_INC (c, 0x20, 0x7e) ? 1 : wcwidth (c))
659
660 /* convert pixel dimensions to row/column values. Everything as int32_t */
661 #define Pixel2Col(x) Pixel2Width((int32_t)(x))
662 #define Pixel2Row(y) Pixel2Height((int32_t)(y))
663 #define Pixel2Width(x) ((int32_t)(x) / (int32_t)fwidth)
664 #define Pixel2Height(y) ((int32_t)(y) / (int32_t)fheight)
665 #define Col2Pixel(col) ((int32_t)Width2Pixel(col))
666 #define Row2Pixel(row) ((int32_t)Height2Pixel(row))
667 #define Width2Pixel(n) ((int32_t)(n) * (int32_t)fwidth)
668 #define Height2Pixel(n) ((int32_t)(n) * (int32_t)fheight)
669
670 #define LINENO_of(t,n) MOD ((t)->term_start + int(n), (t)->total_rows)
671 #define ROW_of(t,n) (t)->row_buf [LINENO_of ((t), n)]
672
673 #define LINENO(n) LINENO_of (this, n)
674 #define ROW(n) ROW_of (this, n)
675
676 /* how to build & extract colors and attributes */
677 #define GET_BASEFG(x) (((x) & RS_fgMask) >> RS_fgShift)
678 #define GET_BASEBG(x) (((x) & RS_bgMask) >> RS_bgShift)
679
680 #define GET_FONT(x) (((x) & RS_fontMask) >> RS_fontShift)
681 #define SET_FONT(x,fid) (((x) & ~RS_fontMask) | ((fid) << RS_fontShift))
682
683 #define GET_STYLE(x) (((x) & RS_styleMask) >> RS_styleShift)
684 #define SET_STYLE(x,style) (((x) & ~RS_styleMask) | ((style) << RS_styleShift))
685
686 #define GET_ATTR(x) (((x) & RS_attrMask))
687 #define SET_FGCOLOR(x,fg) (((x) & ~RS_fgMask) | ((fg) << RS_fgShift))
688 #define SET_BGCOLOR(x,bg) (((x) & ~RS_bgMask) | ((bg) << RS_bgShift))
689 #define SET_ATTR(x,a) (((x) & ~RS_attrMask) | (a))
690
691 #define RS_SAME(a,b) (!(((a) ^ (b)) & ~RS_Careful))
692
693 #define PIXCOLOR_NAME(idx) rs[Rs_color + (idx)]
694 #define ISSET_PIXCOLOR(idx) (!!rs[Rs_color + (idx)])
695
696 #if ENABLE_STYLES
697 # define FONTSET_of(t,style) (t)->fontset[GET_STYLE (style)]
698 #else
699 # define FONTSET_of(t,style) (t)->fontset[0]
700 #endif
701
702 #define FONTSET(style) FONTSET_of (this, style)
703
704 typedef callback<void (const char *)> log_callback;
705 typedef callback<int (int)> getfd_callback;
706
707 /****************************************************************************/
708
709 #define LINE_LONGER 0x0001 // line is continued on the next row
710 #define LINE_FILTERED 0x0002 // line has been filtered
711 #define LINE_COMPRESSED 0x0004 // line has been compressed (NYI)
712 #define LINE_FILTER 0x0008 // line needs to be filtered before display (NYI)
713 #define LINE_BIDI 0x0010 // line needs bidi (NYI)
714
715 struct line_t
716 {
717 text_t *t; // terminal the text
718 rend_t *r; // rendition, uses RS_ flags
719 tlen_t_ l; // length of each text line
720 uint32_t f; // flags
721
validline_t722 bool valid ()
723 {
724 return l >= 0;
725 }
726
allocline_t727 void alloc ()
728 {
729 l = 0;
730 }
731
is_longerline_t732 bool is_longer ()
733 {
734 return f & LINE_LONGER;
735 }
736
is_longerline_t737 void is_longer (int set)
738 {
739 if (set)
740 f |= LINE_LONGER;
741 else
742 f &= ~LINE_LONGER;
743 }
744
clearline_t745 void clear ()
746 {
747 t = 0;
748 r = 0;
749 l = 0;
750 f = 0;
751 }
752
touchline_t753 void touch () // call whenever a line is changed/touched/updated
754 {
755 #if ENABLE_PERL
756 f &= ~LINE_FILTERED;
757 #endif
758 }
759
touchline_t760 void touch (int col)
761 {
762 max_it (l, col);
763 touch ();
764 }
765 };
766
767 /****************************************************************************/
768
769 // primitive wrapper around mbstate_t to ensure initialisation
770 struct mbstate
771 {
772 mbstate_t mbs;
773
774 operator mbstate_t *() { return &mbs; }
resetmbstate775 void reset () { memset (&mbs, 0, sizeof (mbs)); }
mbstatembstate776 mbstate () { reset (); }
777 };
778
779 /****************************************************************************/
780
781 #define UNICODE_MASK 0x1fffffUL
782
783 #if UNICODE_3
784 # define COMPOSE_LO 0x110000UL
785 # define COMPOSE_HI 0x1fffffUL
786 # define IS_COMPOSE(n) ((int32_t)(n) >= COMPOSE_LO)
787 #else
788 # if ENABLE_PERL
789 # define COMPOSE_LO 0xe000UL // our _own_ functions don't like (illegal) surrogates
790 # define COMPOSE_HI 0xf8ffUL // in utf-8, so use private use area only
791 # else
792 # define COMPOSE_LO 0xd800UL
793 # define COMPOSE_HI 0xf8ffUL
794 # endif
795 # define IS_COMPOSE(n) IN_RANGE_INC ((n), COMPOSE_LO, COMPOSE_HI)
796 #endif
797
798 #if ENABLE_COMBINING
799 // compose chars are used to represent composite characters
800 // that are not representable in unicode, as well as characters
801 // not fitting in the BMP.
802 struct compose_char
803 {
804 // c1 can be any character != NOCHAR, including another compose character
805 // c2 must always be a zero-width character or NOCHAR, in case
806 // this just extends beyond the BMP.
807 unicode_t c1, c2;
808
compose_charcompose_char809 compose_char (unicode_t c1, unicode_t c2)
810 : c1(c1), c2(c2)
811 { }
812 };
813
814 struct rxvt_composite_vec
815 {
816 vector<compose_char> v;
817
818 text_t compose (unicode_t c1, unicode_t c2 = NOCHAR);
819 template<typename T> int expand (unicode_t c, T *r);
expandrxvt_composite_vec820 int expand (unicode_t c) { return expand (c, (text_t *)0); }
821 compose_char *operator [](text_t c)
822 {
823 return c >= COMPOSE_LO && c < COMPOSE_LO + v.size ()
824 ? &v[c - COMPOSE_LO]
825 : 0;
826 }
827 };
828
829 extern class rxvt_composite_vec rxvt_composite;
830 #endif
831
832 #if 0
833 // expand the sequence into a static array
834 // works even without ENABLE_COMBINING
835 template<typename T, int max_size_ = 48>
836 struct rxvt_compose_expand_static
837 {
838 #if ENABLE_COMBINING
839 enum { max_size = max_size_ };
840
841 T chrs[max_size];
842
843 // expand sequence and return start ptr
844 // guarantees at least one output
845 // get the length with length () on that ptr
846 T *operator ()(unicode_t c)
847 {
848 T *cur = chrs + max_size;
849
850 while (ecb_expect_false (IS_COMPOSE (c)))
851 if (ecb_expect_true (c - COMPOSE_LO < rxvt_composite.v.size ()))
852 {
853 compose_char *cc = &rxvt_composite.v [c - COMPOSE_LO];
854
855 if (cc->c2 != NOCHAR)
856 {
857 cur -= cur > chrs; *cur = cc->c2;
858 }
859
860 c = cc->c1;
861 }
862 else
863 c = NOCHAR;
864
865 cur -= cur > chrs; *cur = c;
866
867 return cur;
868 }
869
870 int length (T *first)
871 {
872 return chrs + max_size - first;
873 }
874 #else
875 T chr;
876
877 T *operator ()(text_t c);
878 {
879 chr = c;
880 return &chr;
881 }
882
883 int length (T *first)
884 {
885 return 1;
886 }
887 #endif
888 };
889 #endif
890
891 /****************************************************************************/
892
893 #ifdef KEYSYM_RESOURCE
894 class keyboard_manager;
895 #endif
896
897 typedef struct rxvt_term *rxvt_t;
898
899 extern rxvt_t rxvt_current_term;
900
901 #define SET_R(r) rxvt_current_term = const_cast<rxvt_term *>(r)
902 #define GET_R rxvt_current_term
903
904 /* ------------------------------------------------------------------------- */
905 struct overlay_base
906 {
907 int x, y, w, h; // overlay dimensions
908 text_t **text;
909 rend_t **rend;
910
911 // while tempting to add swap() etc. here, it effectively only increases code size
912 };
913
914 /* ------------------------------------------------------------------------- */
915
916 typedef struct
917 {
918 int row;
919 int col;
920 } row_col_t;
921
922 /*
923 * terminal limits:
924 *
925 * width : 1 <= width
926 * height : 1 <= height
927 * ncol : 1 <= ncol <= MAX(tlen_t)
928 * nrow : 1 <= nrow <= MAX(int)
929 * saveLines : 0 <= saveLines <= MAX(int)
930 * term_start : 0 <= term_start < saveLines
931 * total_rows : nrow + saveLines
932 *
933 * top_row : -saveLines <= top_row <= 0
934 * view_start : top_row <= view_start <= 0
935 *
936 * | most coordinates are stored relative to term_start,
937 * ROW_BUF | which is the first line of the terminal screen
938 * |························= row_buf[0]
939 * |························= row_buf[1]
940 * |························= row_buf[2] etc.
941 * |
942 * +------------+···········= term_start + top_row
943 * | scrollback |
944 * | scrollback +---------+·= term_start + view_start
945 * | scrollback | display |
946 * | scrollback | display |
947 * +------------+·display·+·= term_start
948 * | terminal | display |
949 * | terminal +---------+
950 * | terminal |
951 * | terminal |
952 * +------------+···········= term_start + nrow - 1
953 * |
954 * |
955 * END······················= total_rows
956 */
957
958 struct TermWin_t
959 {
960 int vt_width; /* actual window width [pixels] */
961 int vt_height; /* actual window height [pixels] */
962 int width; /* window width [pixels] */
963 int height; /* window height [pixels] */
964 int fwidth; /* font width [pixels] */
965 int fheight; /* font height [pixels] */
966 int fbase; /* font ascent (baseline) [pixels] */
967 int ncol; /* window columns [characters] */
968 int nrow; /* window rows [characters] */
969 int focus; /* window has focus */
970 int mapped; /* window state mapped? */
971 int int_bwidth; /* internal border width */
972 int ext_bwidth; /* external border width */
973 int lineSpace; /* number of extra pixels between rows */
974 int letterSpace; /* number of extra pixels between columns */
975 int saveLines; /* number of lines that fit in scrollback */
976 int total_rows; /* total number of rows in this terminal */
977 int term_start; /* term lines start here */
978 int view_start; /* scrollback view starts here */
979 int top_row; /* topmost row index of scrollback */
980 Window parent; /* parent identifier */
981 Window vt; /* vt100 window */
982 GC gc; /* GC for drawing */
983 rxvt_drawable *drawable;
984 rxvt_fontset *fontset[4];
985 };
986
987 /*
988 * screen accounting:
989 * screen_t elements
990 * row: Cursor row position : 0 <= row < nrow
991 * col: Cursor column position : 0 <= col < ncol
992 * tscroll: Scrolling region top row inclusive : 0 <= row < nrow
993 * bscroll: Scrolling region bottom row inclusive : 0 <= row < nrow
994 *
995 * selection_t elements
996 * clicks: 1, 2 or 3 clicks - 4 indicates a special condition of 1 where
997 * nothing is selected
998 * beg: row/column of beginning of selection : never past mark
999 * mark: row/column of initial click : never past end
1000 * end: row/column of one character past end of selection
1001 * * Note: top_row <= beg.row <= mark.row <= end.row < nrow
1002 * * Note: col == -1 ==> we're left of screen
1003 *
1004 */
1005 struct screen_t
1006 {
1007 row_col_t cur; /* cursor position on the screen */
1008 int tscroll; /* top of settable scroll region */
1009 int bscroll; /* bottom of settable scroll region */
1010 unsigned int charset; /* character set number [0..3] */
1011 unsigned int flags; /* see below */
1012 row_col_t s_cur; /* saved cursor position */
1013 unsigned int s_charset; /* saved character set number [0..3] */
1014 char s_charset_char;
1015 rend_t s_rstyle; /* saved rendition style */
1016 };
1017
1018 enum selection_op_t
1019 {
1020 SELECTION_CLEAR = 0, /* nothing selected */
1021 SELECTION_INIT, /* marked a point */
1022 SELECTION_BEGIN, /* started a selection */
1023 SELECTION_CONT, /* continued selection */
1024 SELECTION_DONE /* selection put in CUT_BUFFER0 */
1025 };
1026
1027 struct selection_t
1028 {
1029 wchar_t *text; /* selected text */
1030 unsigned int len; /* length of selected text */
1031 unsigned int screen; /* screen being used */
1032 unsigned int clicks; /* number of clicks */
1033 selection_op_t op; /* current operation */
1034 bool rect; /* rectangular selection? */
1035 row_col_t beg; /* beginning of selection <= mark */
1036 row_col_t mark; /* point of initial click <= end */
1037 row_col_t end; /* one character past end point */
1038 wchar_t *clip_text; /* text copied to the clipboard */
1039 unsigned int clip_len; /* length of clipboard text */
1040 };
1041
1042 /* ------------------------------------------------------------------------- */
1043
1044 /* screen_t flags */
1045 #define Screen_Relative (1<<0) /* relative origin mode flag */
1046 #define Screen_VisibleCursor (1<<1) /* cursor visible? */
1047 #define Screen_Autowrap (1<<2) /* auto-wrap flag */
1048 #define Screen_Insert (1<<3) /* insert mode (vs. overstrike) */
1049 #define Screen_WrapNext (1<<4) /* need to wrap for next char? */
1050 #define Screen_DefaultFlags (Screen_VisibleCursor | Screen_Autowrap)
1051
1052 /* rxvt_vars.options */
1053 enum {
1054 # define def(name) Opt_ ## name,
1055 # define nodef(name) Opt_prev_ ## name, Opt_ ## name = 0, Opt_next_ ## name = Opt_prev_ ## name - 1,
1056 Opt_0,
1057 # include "optinc.h"
1058 # undef nodef
1059 # undef def
1060 Opt_count
1061 };
1062
1063 /* ------------------------------------------------------------------------- */
1064
1065 struct rxvt_vars : TermWin_t
1066 {
1067 scrollBar_t scrollBar;
1068 uint8_t options[(Opt_count + 7) >> 3];
1069 XSizeHints szHint;
1070 rxvt_color *pix_colors;
1071 Cursor TermWin_cursor; /* cursor for vt window */
1072
1073 line_t *row_buf; // all lines, scrollback + terminal, circular
1074 line_t *drawn_buf; // text on screen
1075 line_t *swap_buf; // lines for swap buffer
1076 char *tabs; /* per location: 1 == tab-stop */
1077 screen_t screen;
1078 screen_t swap;
1079 selection_t selection;
1080 rxvt_color pix_colors_focused[TOTAL_COLORS];
1081 #ifdef OFF_FOCUS_FADING
1082 rxvt_color pix_colors_unfocused[TOTAL_COLORS];
1083 #endif
1084 };
1085
1086 struct rxvt_term : zero_initialized, rxvt_vars, rxvt_screen
1087 {
1088
1089 // special markers with magic addresses
1090 static const char resval_undef []; // options specifically unset
1091 static const char resval_on []; // boolean options switched on
1092 static const char resval_off []; // or off
1093
1094 log_callback *log_hook; // log error messages through this hook, if != 0
1095 getfd_callback *getfd_hook; // convert remote to local fd, if != 0
1096 #if ENABLE_PERL
1097 rxvt_perl_term perl;
1098 #endif
1099 struct mbstate mbstate; // current input multibyte state
1100
1101 unsigned char want_refresh:1,
1102 current_screen:1, /* primary or secondary */
1103 num_scr_allow:1,
1104 bypass_keystate:1,
1105 #if ENABLE_FRILLS
1106 urgency_hint:1,
1107 rewrap_always:1,
1108 rewrap_never:1,
1109 #endif
1110 #if CURSOR_BLINK
1111 hidden_cursor:1,
1112 #endif
1113 #if TEXT_BLINK
1114 hidden_text:1,
1115 #endif
1116 #if POINTER_BLANK
1117 hidden_pointer:1,
1118 #endif
1119 enc_utf8:1, /* whether locale uses utf-8 */
1120 seen_input:1, /* whether we have seen some program output yet */
1121 seen_resize:1, /* whether we had a resize event */
1122 init_done:1,
1123 parsed_geometry:1;
1124
1125 unsigned char refresh_type,
1126 #ifdef META8_OPTION
1127 meta_char; /* Alt-key prefix */
1128 #endif
1129 /* ---------- */
1130 bool rvideo_state, rvideo_mode;
1131 #ifndef NO_BELL
1132 bool rvideo_bell;
1133 #endif
1134 int num_scr; /* screen: number of lines scrolled */
1135 int prev_ncol, /* screen: previous number of columns */
1136 prev_nrow; /* screen: previous number of rows */
1137 /* ---------- */
1138 rend_t rstyle;
1139 /* ---------- */
1140 #ifdef SELECTION_SCROLLING
1141 int scroll_selection_lines;
1142 int selection_save_x,
1143 selection_save_y,
1144 selection_save_state;
1145 #endif
1146 /* ---------- */
1147 int csrO, /* Hops - csr offset in thumb/slider to */
1148 /* give proper Scroll behaviour */
1149 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1150 mouse_slip_wheel_speed,
1151 #endif
1152 refresh_count,
1153 window_vt_x,
1154 window_vt_y,
1155 mouse_row,
1156 mouse_col,
1157 # ifdef POINTER_BLANK
1158 pointerBlankDelay,
1159 # endif
1160 multiClickTime,
1161 cursor_type,
1162 allowedxerror;
1163 /* ---------- */
1164 unsigned int ModLevel3Mask,
1165 ModMetaMask,
1166 ModNumLockMask;
1167 unsigned long priv_modes,
1168 SavedModes;
1169 /* ---------- */
1170 Atom *xa;
1171 /* ---------- */
1172 Time selection_time,
1173 clipboard_time;
1174 rxvt_selection *selection_req;
1175 pid_t cmd_pid; /* process id of child */
1176 /* ---------- */
1177 struct mouse_event MEvent;
1178 XComposeStatus compose;
1179 static struct termios def_tio;
1180 row_col_t oldcursor;
1181
1182 #ifdef HAVE_IMG
1183 enum {
1184 BG_IS_TRANSPARENT = 1 << 1,
1185 BG_NEEDS_REFRESH = 1 << 2,
1186 };
1187
1188 uint8_t bg_flags;
1189
1190 rxvt_img *bg_img;
1191 #endif
1192
1193 #if ENABLE_OVERLAY
1194 overlay_base ov;
1195
1196 void scr_swap_overlay () noexcept;
1197 void scr_overlay_new (int x, int y, int w, int h) noexcept;
1198 void scr_overlay_off () noexcept;
1199 void scr_overlay_set (int x, int y,
1200 text_t text,
1201 rend_t rend = OVERLAY_RSTYLE) noexcept;
1202 void scr_overlay_set (int x, int y, const char *s) noexcept;
1203 void scr_overlay_set (int x, int y, const wchar_t *s) noexcept;
1204 #endif
1205
1206 vector<void *> allocated; // free these memory blocks with free()
1207
1208 int parent_x, parent_y; // parent window position relative to root, only updated on demand
1209
1210 char *locale;
1211 char charsets[4];
1212 char *v_buffer; /* pointer to physical buffer */
1213 unsigned int v_buflen; /* size of area to write */
1214 stringvec *argv, *envv; /* if != 0, will be freed at destroy time */
1215 char **env;
1216
1217 #ifdef KEYSYM_RESOURCE
1218 keyboard_manager *keyboard;
1219 #endif
1220 #ifndef NO_RESOURCES
1221 XrmDatabase option_db;
1222 #endif
1223
1224 const char *rs[NUM_RESOURCES];
1225 /* command input buffering */
1226 char *cmdbuf_ptr, *cmdbuf_endp;
1227 char cmdbuf_base[CBUFSIZ];
1228
1229 ptytty *pty;
1230
1231 // chunk contains all line_t's as well as rend_t and text_t buffers
1232 // for drawn_buf, swap_buf and row_buf, in this order
1233 void *chunk;
1234 size_t chunk_size;
1235
1236 uint32_t rgb24_color[RGB24_CUBE_SIZE]; // the 24-bit color value
1237 uint16_t rgb24_seqno[RGB24_CUBE_SIZE]; // which one is older?
1238 uint16_t rgb24_sequence;
1239
1240 static vector<rxvt_term *> termlist; // a vector of all running rxvt_term's
1241
1242 #if ENABLE_FRILLS || ISO_14755
1243 // ISO 14755 entry support
1244 unicode_t iso14755buf;
1245 void commit_iso14755 ();
1246 # if ISO_14755
1247 void iso14755_51 (unicode_t ch, rend_t r = DEFAULT_RSTYLE, int x = 0, int y = -1, int y2 = -1);
1248 void iso14755_54 (int x, int y);
1249 # endif
1250 #endif
1251
1252 long vt_emask, vt_emask_perl, vt_emask_xim, vt_emask_mouse;
1253
vt_select_inputrxvt_term1254 void vt_select_input () const noexcept
1255 {
1256 XSelectInput (dpy, vt, vt_emask | vt_emask_perl | vt_emask_xim | vt_emask_mouse);
1257 }
1258
1259 #if ENABLE_PERL
1260 void rootwin_cb (XEvent &xev);
1261 xevent_watcher rootwin_ev;
1262 #endif
1263
1264 void x_cb (XEvent &xev);
1265 xevent_watcher termwin_ev;
1266 xevent_watcher vt_ev;
1267 xevent_watcher scrollbar_ev;
1268
1269 void child_cb (ev::child &w, int revents); ev::child child_ev;
1270 void destroy_cb (ev::idle &w, int revents); ev::idle destroy_ev;
1271 void refresh_check ();
1272 void flush ();
1273 void flush_cb (ev::timer &w, int revents); ev::timer flush_ev;
1274 void cmdbuf_reify ();
1275 void cmdbuf_append (const char *str, size_t count);
1276 bool pty_fill ();
1277 void pty_cb (ev::io &w, int revents); ev::io pty_ev;
1278
1279 #ifdef CURSOR_BLINK
1280 void cursor_blink_reset ();
1281 void cursor_blink_cb (ev::timer &w, int revents); ev::timer cursor_blink_ev;
1282 #endif
1283 #ifdef TEXT_BLINK
1284 void text_blink_cb (ev::timer &w, int revents); ev::timer text_blink_ev;
1285 #endif
1286 #ifndef NO_BELL
1287 void bell_cb (ev::timer &w, int revents); ev::timer bell_ev;
1288 #endif
1289
1290 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1291 void cont_scroll_cb (ev::timer &w, int revents); ev::timer cont_scroll_ev;
1292 #endif
1293 #ifdef SELECTION_SCROLLING
1294 void sel_scroll_cb (ev::timer &w, int revents); ev::timer sel_scroll_ev;
1295 #endif
1296 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1297 void slip_wheel_cb (ev::timer &w, int revents); ev::timer slip_wheel_ev;
1298 #endif
1299
1300 #ifdef POINTER_BLANK
1301 void pointer_cb (ev::timer &w, int revents); ev::timer pointer_ev;
1302 void pointer_blank ();
1303 #endif
1304 void pointer_unblank ();
1305
1306 void tt_printf (const char *fmt,...);
1307 void tt_write_ (const char *data, unsigned int len);
1308 void tt_write (const char *data, unsigned int len);
1309 void tt_write_user_input (const char *data, unsigned int len);
1310 void pty_write ();
1311
make_currentrxvt_term1312 void make_current () const // make this the "currently active" urxvt instance
1313 {
1314 SET_R (this);
1315 set_environ (env);
1316 rxvt_set_locale (locale);
1317 }
1318
1319 #if USE_XIM
1320 rxvt_xim *input_method;
1321 XIC Input_Context;
1322 XIMStyle input_style;
1323 XPoint spot; // most recently sent spot position
1324
1325 void im_destroy ();
1326 void im_cb (); im_watcher im_ev;
1327 void im_set_size (XRectangle &size);
1328 void im_set_position (XPoint &pos) noexcept;
1329 void im_set_color (unsigned long &fg, unsigned long &bg);
1330 void im_set_preedit_area (XRectangle &preedit_rect, XRectangle &status_rect, const XRectangle &needed_rect);
1331
1332 bool im_is_running ();
1333 void im_send_spot ();
1334 bool im_get_ic (const char *modifiers);
1335 void im_set_position ();
1336 #endif
1337
1338 // command.C
1339 void key_press (XKeyEvent &ev);
1340 void key_release (XKeyEvent &ev);
1341
1342 wchar_t next_char () noexcept;
1343 wchar_t cmd_getc ();
1344 uint32_t next_octet () noexcept;
1345 uint32_t cmd_get8 ();
1346
1347 void cmd_parse ();
1348 void mouse_report (XButtonEvent &ev);
1349 void button_press (XButtonEvent &ev);
1350 void button_release (XButtonEvent &ev);
1351 void focus_in ();
1352 void focus_out ();
1353 #if ENABLE_FRILLS
1354 void set_urgency (bool enable);
1355 #else
set_urgencyrxvt_term1356 void set_urgency (bool enable) { }
1357 #endif
1358 void update_fade_color (unsigned int idx, bool first_time = false);
1359 #ifdef PRINTPIPE
1360 FILE *popen_printer ();
1361 int pclose_printer (FILE *stream);
1362 #endif
1363 void process_print_pipe ();
1364 void process_nonprinting (unicode_t ch);
1365 void process_escape_vt52 (unicode_t ch);
1366 void process_escape_seq ();
1367 void process_csi_seq ();
1368 void process_window_ops (const int *args, unsigned int nargs);
1369 char *get_to_st (unicode_t &ends_how);
1370 void process_dcs_seq ();
1371 void process_osc_seq ();
1372 void process_color_seq (int report, int color, const char *str, char resp);
1373 void process_xterm_seq (int op, char *str, char resp);
1374 unsigned int map_rgb24_color (unsigned int r, unsigned int g, unsigned int b, unsigned int a);
1375 int privcases (int mode, unsigned long bit);
1376 void process_terminal_mode (int mode, int priv, unsigned int nargs, const int *arg);
1377 void process_sgr_mode (unsigned int nargs, const int *arg);
1378 void set_cursor_style (int style);
1379 // init.C
1380 void init (stringvec *argv, stringvec *envv);
1381 void init (int argc, const char *const *argv, const char *const *envv);
1382 void init2 (int argc, const char *const *argv);
1383 void init_vars ();
1384 const char **init_resources (int argc, const char *const *argv);
1385 void init_env ();
1386 void set_locale (const char *locale);
1387 void init_xlocale ();
1388 void init_command (const char *const *argv);
1389 void run_command (const char *const *argv);
1390 int run_child (const char *const *argv);
1391 void color_aliases (int idx);
1392 void create_windows (int argc, const char *const *argv);
1393 void get_colors ();
1394 void get_ourmods ();
1395 void set_icon (const char *file);
1396 // main.C
1397 void tt_winch ();
1398 rxvt_term ();
1399 ~rxvt_term ();
1400 void destroy ();
1401 void emergency_cleanup ();
1402 void recolor_cursor ();
1403 void resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent);
1404 void window_calc (unsigned int newwidth, unsigned int newheight);
1405 bool set_fonts ();
1406 void set_string_property (Atom prop, const char *str, int len = -1);
1407 void set_mbstring_property (Atom prop, const char *str, int len = -1);
1408 void set_utf8_property (Atom prop, const char *str, int len = -1);
1409 void set_title (const char *str);
1410 void set_icon_name (const char *str);
1411 void set_window_color (int idx, const char *color);
1412 char *get_colorfgbg ();
1413 bool set_color (rxvt_color &color, const char *name);
1414 void alias_color (int dst, int src);
1415 void set_widthheight (unsigned int newwidth, unsigned int newheight);
1416 void get_window_origin (int &x, int &y);
1417
1418 // screen.C
1419
optionrxvt_term1420 bool option (uint8_t opt) const noexcept
1421 {
1422 return options[opt >> 3] & (1 << (opt & 7));
1423 }
1424
1425 void set_option (uint8_t opt, bool set = true) noexcept;
1426
fgcolor_ofrxvt_term1427 int fgcolor_of (rend_t r) const noexcept
1428 {
1429 int base = GET_BASEFG (r);
1430 #ifndef NO_BRIGHTCOLOR
1431 if (r & RS_Bold
1432 # if ENABLE_STYLES
1433 && option (Opt_intensityStyles)
1434 # endif
1435 && IN_RANGE_EXC (base, minCOLOR, minBrightCOLOR))
1436 base += minBrightCOLOR - minCOLOR;
1437 #endif
1438 return base;
1439 }
1440
bgcolor_ofrxvt_term1441 int bgcolor_of (rend_t r) const noexcept
1442 {
1443 int base = GET_BASEBG (r);
1444 #ifndef NO_BRIGHTCOLOR
1445 if (r & RS_Blink
1446 # if ENABLE_STYLES
1447 && option (Opt_intensityStyles)
1448 # endif
1449 && IN_RANGE_EXC (base, minCOLOR, minBrightCOLOR))
1450 base += minBrightCOLOR - minCOLOR;
1451 #endif
1452 return base;
1453 }
1454
1455 // modifies first argument(!)
1456 void tt_paste (char *data, unsigned int len) noexcept;
1457 void paste (char *data, unsigned int len) noexcept;
1458 void scr_alloc () noexcept;
1459 void scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const noexcept;
1460 void scr_blank_screen_mem (line_t &l, rend_t efs) const noexcept;
1461 void scr_kill_char (line_t &l, int col) const noexcept;
1462 void scr_set_char_rend (line_t &l, int col, rend_t rend);
1463 int scr_scroll_text (int row1, int row2, int count) noexcept;
1464 void copy_line (line_t &dst, line_t &src);
1465 void scr_reset ();
1466 void scr_release () noexcept;
1467 void scr_clear (bool really = false) noexcept;
1468 void scr_refresh () noexcept;
1469 bool scr_refresh_rend (rend_t mask, rend_t value) noexcept;
1470 void scr_erase_screen (int mode) noexcept;
1471 #if ENABLE_FRILLS
1472 void scr_erase_savelines () noexcept;
1473 void scr_backindex () noexcept;
1474 void scr_forwardindex () noexcept;
1475 #endif
1476 void scr_touch (bool refresh) noexcept;
1477 void scr_expose (int x, int y, int width, int height, bool refresh) noexcept;
1478 void scr_recolor (bool refresh = true) noexcept;
1479 void scr_remap_chars () noexcept;
1480 void scr_remap_chars (line_t &l) noexcept;
1481
1482 enum cursor_mode { SAVE, RESTORE };
1483
1484 void scr_poweron ();
1485 void scr_soft_reset () noexcept;
1486 void scr_cursor (cursor_mode mode) noexcept;
1487 void scr_do_wrap () noexcept;
1488 void scr_swap_screen () noexcept;
1489 void scr_change_screen (int scrn);
1490 void scr_color (unsigned int color, int fgbg) noexcept;
1491 void scr_rendition (int set, int style) noexcept;
1492 void scr_add_lines (const wchar_t *str, int len, int minlines = 0) noexcept;
1493 void scr_backspace () noexcept;
1494 void scr_tab (int count, bool ht = false) noexcept;
1495 void scr_gotorc (int row, int col, int relative) noexcept;
1496 void scr_index (enum page_dirn direction) noexcept;
1497 void scr_erase_line (int mode) noexcept;
1498 void scr_E () noexcept;
1499 void scr_insdel_lines (int count, int insdel) noexcept;
1500 void scr_insdel_chars (int count, int insdel) noexcept;
1501 void scr_scroll_region (int top, int bot) noexcept;
1502 void scr_cursor_visible (int mode) noexcept;
1503 void scr_autowrap (int mode) noexcept;
1504 void scr_relative_origin (int mode) noexcept;
1505 void scr_insert_mode (int mode) noexcept;
1506 void scr_set_tab (int mode) noexcept;
1507 void scr_rvideo_mode (bool on) noexcept;
1508 void scr_report_position () noexcept;
1509 void set_font_style () noexcept;
1510 void scr_charset_choose (int set) noexcept;
1511 void scr_charset_set (int set, unsigned int ch) noexcept;
1512 void scr_move_to (int y, int len) noexcept;
1513 bool scr_page (int nlines) noexcept;
scr_pagerxvt_term1514 bool scr_page (enum page_dirn direction, int nlines) noexcept
1515 {
1516 return scr_page (direction * nlines);
1517 }
1518 bool scr_changeview (int new_view_start) noexcept;
1519 void scr_bell () noexcept;
1520 void scr_printscreen (int fullhist) noexcept;
1521 void scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) noexcept;
1522 void scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) noexcept;
1523 void scr_reverse_selection () noexcept;
1524 void scr_dump (int fd) noexcept;
1525
1526 void selection_check (int check_more) noexcept;
1527 void selection_changed () noexcept; /* sets want_refresh, corrects coordinates */
1528 void selection_request (Time tm, int selnum = Sel_Primary) noexcept;
1529 void selection_clear (bool clipboard = false) noexcept;
1530 void selection_make (Time tm);
1531 bool selection_grab (Time tm, bool clipboard = false) noexcept;
1532 void selection_start_colrow (int col, int row) noexcept;
1533 void selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) noexcept;
1534 void selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) noexcept;
1535 void selection_remove_trailing_spaces () noexcept;
1536 void selection_send (const XSelectionRequestEvent &rq) noexcept;
1537 void selection_click (int clicks, int x, int y) noexcept;
1538 void selection_extend (int x, int y, int flag) noexcept;
1539 void selection_rotate (int x, int y) noexcept;
1540
1541 // xdefaults.C
1542 void rxvt_usage (int type);
1543 const char **get_options (int argc, const char *const *argv);
1544 int parse_keysym (const char *str, unsigned int &state);
1545 int bind_action (const char *str, const char *arg);
1546 const char *x_resource (const char *name);
1547 void extract_resources ();
1548 void enumerate_resources (void (*cb)(rxvt_term *, const char *, const char *), const char *name_p = 0, const char *class_p = 0);
enumerate_keysym_resourcesrxvt_term1549 void enumerate_keysym_resources (void (*cb)(rxvt_term *, const char *, const char *))
1550 {
1551 enumerate_resources (cb, "keysym", "Keysym");
1552 }
1553 void extract_keysym_resources ();
1554 };
1555
1556 #endif /* _RXVT_H_ */
1557
1558