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/cvs/cvsroot/rxvt-unicode/src/rxvt.h
Revision: 1.550
Committed: Thu Jun 30 17:22:54 2016 UTC (8 years ago) by root
Content type: text/plain
Branch: MAIN
Changes since 1.549: +1 -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_BG_PIXMAP 1
81 # define HAVE_IMG 1
82 #endif
83
84 #if HAVE_BG_PIXMAP
85 # if HAVE_PIXBUF
86 # define BG_IMAGE_FROM_FILE 1
87 # endif
88 # if ENABLE_TRANSPARENCY
89 # define BG_IMAGE_FROM_ROOT 1
90 # endif
91 #endif
92
93 #include <ecb.h>
94 #include "encoding.h"
95 #include "rxvtutil.h"
96 #include "rxvtfont.h"
97 #include "rxvttoolkit.h"
98 #include "rxvtimg.h"
99 #include "scrollbar.h"
100 #include "ev_cpp.h"
101 #include "libptytty.h"
102
103 #include "rxvtperl.h"
104
105 // try to avoid some macros to decrease code size, on some systems
106 #if ENABLE_MINIMAL
107 # define strcmp(a,b) (strcmp)(a,b)
108 # define strlen(a) (strlen)(a)
109 # define strcpy(a,b) (strcpy)(a,b)
110 # define memset(a,c,l) (memset)(a,c,l)
111 # define memcpy(a,b,l) (memcpy)(a,b,l)
112 #endif
113
114 /*
115 *****************************************************************************
116 * SYSTEM HACKS
117 *****************************************************************************
118 */
119
120 #include <termios.h>
121
122 #ifndef STDIN_FILENO
123 # define STDIN_FILENO 0
124 # define STDOUT_FILENO 1
125 # define STDERR_FILENO 2
126 #endif
127
128 #ifndef EXIT_SUCCESS /* missing from <stdlib.h> */
129 # define EXIT_SUCCESS 0 /* exit function success */
130 # define EXIT_FAILURE 1 /* exit function failure */
131 #endif
132
133 /****************************************************************************/
134
135 // exception thrown on fatal (per-instance) errors
136 class rxvt_failure_exception { };
137
138 // exception thrown when the command parser runs out of input data
139 class out_of_input { };
140
141 /*
142 *****************************************************************************
143 * PROTOTYPES
144 *****************************************************************************
145 */
146 // main.C
147 #define SET_LOCALE(locale) rxvt_set_locale (locale)
148 extern bool rxvt_set_locale (const char *locale) NOTHROW;
149 extern void rxvt_push_locale (const char *locale) NOTHROW;
150 extern void rxvt_pop_locale () NOTHROW;
151 void rxvt_init ();
152
153 // misc.C
154 char * rxvt_wcstombs (const wchar_t *str, int len = -1);
155 wchar_t * rxvt_mbstowcs (const char *str, int len = -1);
156 char * rxvt_wcstoutf8 (const wchar_t *str, int len = -1);
157 wchar_t * rxvt_utf8towcs (const char *str, int len = -1);
158
159 const char * rxvt_basename (const char *str) NOTHROW;
160 void rxvt_vlog (const char *fmt, va_list arg_ptr) NOTHROW;
161 void rxvt_log (const char *fmt,...) NOTHROW;
162 void rxvt_warn (const char *fmt,...) NOTHROW;
163 ecb_noreturn ecb_cold
164 void rxvt_fatal (const char *fmt, ...) THROW ((class rxvt_failure_exception));
165 ecb_noreturn ecb_cold
166 void rxvt_exit_failure () THROW ((class rxvt_failure_exception));
167
168 void * rxvt_malloc (size_t size);
169 void * rxvt_calloc (size_t number, size_t size);
170 void * rxvt_realloc (void *ptr, size_t size);
171
172 char * rxvt_strtrim (char *str) NOTHROW;
173 char ** rxvt_strsplit (char delim, const char *str) NOTHROW;
174
175 static inline void
176 rxvt_free_strsplit (char **ptr) NOTHROW
177 {
178 free (ptr[0]);
179 free (ptr);
180 }
181
182 KeySym rxvt_XKeycodeToKeysym (Display *dpy, KeyCode keycode, int index);
183
184 /////////////////////////////////////////////////////////////////////////////
185
186 // temporarily replace the process environment
187 extern char **environ;
188 extern char **rxvt_environ; // the original environ pointer
189
190 static inline void
191 set_environ (char **envv)
192 {
193 #if ENABLE_PERL
194 assert (envv);
195 #else
196 if (envv)
197 #endif
198 environ = envv;
199 }
200
201 struct localise_env
202 {
203 char **orig_env;
204
205 localise_env (char **new_env)
206 {
207 orig_env = environ;
208 environ = new_env;
209 }
210
211 ~localise_env ()
212 {
213 environ = orig_env;
214 }
215 };
216
217 #ifdef HAVE_BG_PIXMAP
218 struct image_effects
219 {
220 bool tint_set;
221 rxvt_color tint;
222 int shade;
223 int h_blurRadius, v_blurRadius;
224
225 image_effects ()
226 {
227 tint_set =
228 h_blurRadius =
229 v_blurRadius = 0;
230 shade = 100;
231 }
232
233 bool need_tint ()
234 {
235 return shade != 100 || tint_set;
236 }
237
238 bool need_blur ()
239 {
240 return h_blurRadius && v_blurRadius;
241 }
242
243 bool set_tint (const rxvt_color &new_tint);
244 bool set_shade (const char *shade_str);
245 bool set_blur (const char *geom);
246 };
247
248 # if BG_IMAGE_FROM_FILE
249 enum {
250 IM_IS_SIZE_SENSITIVE = 1 << 1,
251 IM_KEEP_ASPECT = 1 << 2,
252 IM_ROOT_ALIGN = 1 << 3,
253 IM_TILE = 1 << 4,
254 IM_GEOMETRY_FLAGS = IM_KEEP_ASPECT | IM_ROOT_ALIGN | IM_TILE,
255 };
256
257 enum {
258 noScale = 0,
259 windowScale = 100,
260 defaultScale = windowScale,
261 centerAlign = 50,
262 defaultAlign = centerAlign,
263 };
264
265 struct rxvt_image : image_effects
266 {
267 unsigned short alpha;
268 uint8_t flags;
269 unsigned int h_scale, v_scale; /* percents of the window size */
270 int h_align, v_align; /* percents of the window size:
271 0 - left align, 50 - center, 100 - right */
272
273 bool is_size_sensitive ()
274 {
275 return (!(flags & IM_TILE)
276 || h_scale || v_scale
277 || (!(flags & IM_ROOT_ALIGN) && (h_align || v_align)));
278 }
279
280 rxvt_img *img;
281
282 void destroy ()
283 {
284 delete img;
285 img = 0;
286 }
287
288 rxvt_image ();
289 void set_file_geometry (rxvt_screen *s, const char *file);
290 void set_file (rxvt_screen *s, const char *file);
291 bool set_geometry (const char *geom, bool update = false);
292 };
293 # endif
294 #endif
295
296 /*
297 *****************************************************************************
298 * STRUCTURES AND TYPEDEFS
299 *****************************************************************************
300 */
301
302 /*
303 * the 'essential' information for reporting Mouse Events
304 * pared down from XButtonEvent
305 */
306 struct mouse_event
307 {
308 int clicks;
309 Time time; /* milliseconds */
310 unsigned int state; /* key or button mask */
311 unsigned int button; /* detail */
312 };
313
314 #if ENABLE_XEMBED
315 // XEMBED messages
316 # define XEMBED_EMBEDDED_NOTIFY 0
317 # define XEMBED_WINDOW_ACTIVATE 1
318 # define XEMBED_WINDOW_DEACTIVATE 2
319 # define XEMBED_REQUEST_FOCUS 3
320 # define XEMBED_FOCUS_IN 4
321 # define XEMBED_FOCUS_OUT 5
322 # define XEMBED_FOCUS_NEXT 6
323 # define XEMBED_FOCUS_PREV 7
324
325 # define XEMBED_MODALITY_ON 10
326 # define XEMBED_MODALITY_OFF 11
327 # define XEMBED_REGISTER_ACCELERATOR 12
328 # define XEMBED_UNREGISTER_ACCELERATOR 13
329 # define XEMBED_ACTIVATE_ACCELERATOR 14
330
331 // XEMBED detail code
332 # define XEMBED_FOCUS_CURRENT 0
333 # define XEMBED_FOCUS_FIRST 1
334 # define XEMBED_FOCUS_LAST 2
335
336 # define XEMBED_MAPPED (1 << 0)
337 #endif
338
339 /*
340 *****************************************************************************
341 * NORMAL DEFINES
342 *****************************************************************************
343 */
344
345 /* COLORTERM, TERM environment variables */
346 #define COLORTERMENV "rxvt"
347 #if BG_IMAGE_FROM_FILE
348 # define COLORTERMENVFULL COLORTERMENV "-xpm"
349 #else
350 # define COLORTERMENVFULL COLORTERMENV
351 #endif
352 #ifndef TERMENV
353 # if USE_256_COLORS
354 # define TERMENV "rxvt-unicode-256color"
355 # else
356 # define TERMENV "rxvt-unicode"
357 # endif
358 #endif
359
360 // Hidden color cube for indexed 24-bit colors. There are fewer blue levels
361 // because normal human eye is less sensitive to the blue component than to
362 // the red or green. (https://en.m.wikipedia.org/wiki/Color_depth#8-bit_color)
363 #if USE_256_COLORS
364 // 7x7x5=245 < 254 unused color indices
365 # define Red_levels 7
366 # define Green_levels 7
367 # define Blue_levels 5
368 #else
369 // 6x6x4=144 < 166 unused color indices
370 # define Red_levels 6
371 # define Green_levels 6
372 # define Blue_levels 4
373 #endif
374
375 #define RGB24_CUBE_SIZE (Red_levels * Green_levels * Blue_levels)
376
377 #if defined (NO_MOUSE_REPORT) && !defined (NO_MOUSE_REPORT_SCROLLBAR)
378 # define NO_MOUSE_REPORT_SCROLLBAR 1
379 #endif
380
381 #define scrollBar_esc 30
382
383 #if !defined (RXVT_SCROLLBAR) && !defined (NEXT_SCROLLBAR)
384 # define NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING 1
385 #endif
386
387 enum {
388 NO_REFRESH = 0, /* Window not visible at all! */
389 FAST_REFRESH = 1, /* Fully exposed window */
390 SLOW_REFRESH = 2, /* Partially exposed window */
391 };
392
393 #ifdef NO_SECONDARY_SCREEN
394 # define NSCREENS 0
395 #else
396 # define NSCREENS 1
397 #endif
398
399 /* flags for rxvt_term::scr_gotorc () */
400 enum {
401 C_RELATIVE = 1, /* col movement is relative */
402 R_RELATIVE = 2, /* row movement is relative */
403 RELATIVE = C_RELATIVE | R_RELATIVE,
404 };
405
406 /* modes for rxvt_term::scr_insdel_chars (), rxvt_term::scr_insdel_lines () */
407 enum {
408 INSERT = -1, /* don't change these values */
409 DELETE = +1,
410 ERASE = +2,
411 };
412
413 /* modes for rxvt_term::scr_page () - scroll page. used by scrollbar window */
414 enum page_dirn {
415 DN = -1,
416 NO_DIR = 0,
417 UP = 1,
418 };
419
420 /* arguments for rxvt_term::scr_change_screen () */
421 enum {
422 PRIMARY = 0,
423 SECONDARY,
424 };
425
426 // define various rendition bits and masks. the rendition word
427 // is 32 bits in size, and we should use it as efficiently as possible
428
429 #define RS_None 0
430
431 // GET_BGATTR depends on RS_fgShift > RS_bgShift
432 #define RS_colorMask ((1UL << Color_Bits) - 1UL)
433 #define RS_bgShift 0
434 #define RS_fgShift (RS_bgShift + Color_Bits)
435 #define RS_bgMask (RS_colorMask << RS_bgShift)
436 #define RS_fgMask (RS_colorMask << RS_fgShift)
437
438 // must have space for rxvt_fontset::fontCount * 2 + 2 values
439 #define RS_fontShift (RS_fgShift + Color_Bits)
440 #define RS_Careful (1UL << RS_fontShift) /* be careful when drawing these */
441 #define RS_fontCount rxvt_fontset::fontCount
442 #define RS_fontMask ((RS_fontCount << (RS_fontShift + 1)) | RS_Careful) // includes RS_Careful
443
444 // toggle this to force redraw, must be != RS_Careful and otherwise "pretty neutral"
445 #define RS_redraw (2UL << RS_fontShift)
446
447 #define RS_Sel (1UL << 22)
448
449 // 4 custom bits for extensions
450 #define RS_customCount 16UL
451 #define RS_customShift 23
452 #define RS_customMask ((RS_customCount - 1UL) << RS_customShift)
453
454 // font styles
455 #define RS_Bold (1UL << RS_styleShift)
456 #define RS_Italic (2UL << RS_styleShift)
457
458 #define RS_styleCount 4
459 #define RS_styleShift 27
460 #define RS_styleMask (RS_Bold | RS_Italic)
461
462 // fake styles
463 #define RS_Blink (1UL << 29)
464 #define RS_RVid (1UL << 30) // reverse video
465 #define RS_Uline (1UL << 31) // underline
466
467 #define RS_baseattrMask (RS_Italic | RS_Bold | RS_Blink | RS_RVid | RS_Uline)
468 #define RS_attrMask (RS_baseattrMask | RS_fontMask)
469
470 #define DEFAULT_RSTYLE (RS_None | (Color_fg << RS_fgShift) | (Color_bg << RS_bgShift))
471 #define OVERLAY_RSTYLE (RS_None | (Color_Black << RS_fgShift) | (Color_Yellow << RS_bgShift))
472
473 enum {
474 C0_NUL = 0x00,
475 C0_SOH, C0_STX, C0_ETX, C0_EOT, C0_ENQ, C0_ACK, C0_BEL,
476 C0_BS , C0_HT , C0_LF , C0_VT , C0_FF , C0_CR , C0_SO , C0_SI ,
477 C0_DLE, C0_DC1, C0_DC2, D0_DC3, C0_DC4, C0_NAK, C0_SYN, C0_ETB,
478 C0_CAN, C0_EM , C0_SUB, C0_ESC, C0_IS4, C0_IS3, C0_IS2, C0_IS1,
479 };
480 #define CHAR_ST 0x9c /* 0234 */
481
482 /*
483 * XTerm Operating System Commands: ESC ] Ps;Pt (ST|BEL)
484 * colour extensions by Christian W. Zuckschwerdt <zany@triq.net>
485 */
486 enum {
487 XTerm_name = 0,
488 XTerm_iconName = 1,
489 XTerm_title = 2,
490 XTerm_property = 3, // change X property
491 XTerm_Color = 4, // change colors
492 XTerm_Color00 = 10, // change fg color
493 XTerm_Color01 = 11, // change bg color
494 XTerm_Color_cursor = 12, // change actual 'Cursor' color
495 XTerm_Color_pointer_fg = 13, // change actual 'Pointer' fg color
496 XTerm_Color_pointer_bg = 14, // change actual 'Pointer' bg color
497 XTerm_Color05 = 15, // not implemented (tektronix fg)
498 XTerm_Color06 = 16, // not implemented (tektronix bg)
499 XTerm_Color_HC = 17, // change actual 'Highlight' bg color
500 XTerm_Color_HTC = 19, // change actual 'Highlight' fg color
501 XTerm_logfile = 46, // not implemented
502 XTerm_font = 50,
503
504 XTerm_konsole30 = 30, // reserved for konsole
505 XTerm_konsole31 = 31, // reserved for konsole
506 XTerm_emacs51 = 51, // reserved for emacs shell
507 /*
508 * rxvt extensions of XTerm OSCs: ESC ] Ps;Pt (ST|BEL)
509 */
510
511 // deprecated
512 Rxvt_restoreFG = 39,
513 Rxvt_restoreBG = 49,
514
515 Rxvt_Pixmap = 20, // new bg pixmap
516 Rxvt_dumpscreen = 55, // dump scrollback and all of screen
517
518 URxvt_locale = 701, // change locale
519 URxvt_version = 702, // request version
520
521 URxvt_Color_IT = 704, // change actual 'Italic' colour
522 URxvt_Color_tint = 705, // change actual tint colour
523 URxvt_Color_BD = 706, // change actual 'Bold' color
524 URxvt_Color_UL = 707, // change actual 'Underline' color
525 URxvt_Color_border = 708,
526
527 URxvt_font = 710,
528 URxvt_boldFont = 711,
529 URxvt_italicFont = 712,
530 URxvt_boldItalicFont = 713,
531
532 URxvt_view_up = 720,
533 URxvt_view_down = 721,
534
535 URxvt_perl = 777, // for use by perl extensions, starts with "extension-name;"
536 };
537
538 /* Words starting with `Color_' are colours. Others are counts */
539 /*
540 * The PixColor and rendition colour usage should probably be decoupled
541 * on the unnecessary items, e.g. Color_pointer, but won't bother
542 * until we need to. Also, be aware of usage in pixcolor_set
543 */
544
545 enum colour_list {
546 Color_none = -2,
547 Color_transparent = -1,
548 Color_fg = 0,
549 Color_bg,
550 minCOLOR, /* 2 */
551 Color_Black = minCOLOR,
552 Color_Red3,
553 Color_Green3,
554 Color_Yellow3,
555 Color_Blue3,
556 Color_Magenta3,
557 Color_Cyan3,
558 maxCOLOR, /* minCOLOR + 7 */
559 #ifndef NO_BRIGHTCOLOR
560 Color_AntiqueWhite = maxCOLOR,
561 minBrightCOLOR, /* maxCOLOR + 1 */
562 Color_Grey25 = minBrightCOLOR,
563 Color_Red,
564 Color_Green,
565 Color_Yellow,
566 Color_Blue,
567 Color_Magenta,
568 Color_Cyan,
569 maxBrightCOLOR, /* minBrightCOLOR + 7 */
570 Color_White = maxBrightCOLOR,
571 #else
572 Color_White = maxCOLOR,
573 #endif
574 minTermCOLOR = Color_White + 1,
575 #if USE_256_COLORS
576 maxTermCOLOR = Color_White + 240,
577 #else
578 maxTermCOLOR = Color_White + 72,
579 #endif
580 minTermCOLOR24,
581 maxTermCOLOR24 = minTermCOLOR24 +
582 RGB24_CUBE_SIZE - 1,
583 #ifndef NO_CURSORCOLOR
584 Color_cursor,
585 Color_cursor2,
586 #endif
587 Color_pointer_fg,
588 Color_pointer_bg,
589 Color_border,
590 #ifndef NO_BOLD_UNDERLINE_REVERSE
591 Color_BD,
592 Color_IT,
593 Color_UL,
594 Color_RV,
595 #endif
596 #if ENABLE_FRILLS
597 Color_underline,
598 #endif
599 #ifdef OPTION_HC
600 Color_HC,
601 Color_HTC,
602 #endif
603 Color_scroll,
604 #ifdef RXVT_SCROLLBAR
605 Color_trough,
606 #endif
607 #if BG_IMAGE_FROM_ROOT
608 Color_tint,
609 #endif
610 #if OFF_FOCUS_FADING
611 Color_fade,
612 #endif
613 NRS_COLORS, /* */
614 #ifdef RXVT_SCROLLBAR
615 Color_topShadow = NRS_COLORS,
616 Color_bottomShadow,
617 TOTAL_COLORS
618 #else
619 TOTAL_COLORS = NRS_COLORS
620 #endif
621 };
622
623 #if USE_256_COLORS
624 # define Color_Bits 9 // 0 .. maxTermCOLOR24
625 #else
626 # define Color_Bits 8 // 0 .. maxTermCOLOR24
627 #endif
628
629 #if maxTermCOLOR24 >= (1 << Color_Bits)
630 # error color index overflow
631 #endif
632
633 /*
634 * Resource list
635 */
636 enum {
637 # define def(name) Rs_ ## name,
638 # define reserve(name,count) Rs_ ## name ## _ = Rs_ ## name + (count) - 1,
639 # include "rsinc.h"
640 # undef def
641 # undef reserve
642 NUM_RESOURCES
643 };
644
645 /* DEC private modes */
646 #define PrivMode_132 (1UL<<0)
647 #define PrivMode_132OK (1UL<<1)
648 #define PrivMode_rVideo (1UL<<2)
649 #define PrivMode_relOrigin (1UL<<3)
650 #define PrivMode_Screen (1UL<<4)
651 #define PrivMode_Autowrap (1UL<<5)
652 #define PrivMode_aplCUR (1UL<<6)
653 #define PrivMode_aplKP (1UL<<7)
654 #define PrivMode_HaveBackSpace (1UL<<8)
655 #define PrivMode_BackSpace (1UL<<9)
656 #define PrivMode_ShiftKeys (1UL<<10)
657 #define PrivMode_VisibleCursor (1UL<<11)
658 #define PrivMode_MouseX10 (1UL<<12)
659 #define PrivMode_MouseX11 (1UL<<13)
660 #define PrivMode_scrollBar (1UL<<14)
661 #define PrivMode_TtyOutputInh (1UL<<15)
662 #define PrivMode_Keypress (1UL<<16)
663 #define PrivMode_smoothScroll (1UL<<17)
664 #define PrivMode_vt52 (1UL<<18)
665 #define PrivMode_LFNL (1UL<<19)
666 #define PrivMode_MouseBtnEvent (1UL<<20)
667 #define PrivMode_MouseAnyEvent (1UL<<21)
668 #define PrivMode_BracketPaste (1UL<<22)
669 #define PrivMode_ExtModeMouse (1UL<<23) // xterm pseudo-utf-8 hack
670 #define PrivMode_ExtMouseRight (1UL<<24) // xterm pseudo-utf-8, but works in non-utf-8-locales
671 #define PrivMode_BlinkingCursor (1UL<<25)
672 #define PrivMode_FocusEvent (1UL<<26)
673
674 #define PrivMode_mouse_report (PrivMode_MouseX10|PrivMode_MouseX11|PrivMode_MouseBtnEvent|PrivMode_MouseAnyEvent)
675
676 #ifdef ALLOW_132_MODE
677 # define PrivMode_Default (PrivMode_Autowrap|PrivMode_ShiftKeys|PrivMode_VisibleCursor|PrivMode_132OK)
678 #else
679 # define PrivMode_Default (PrivMode_Autowrap|PrivMode_ShiftKeys|PrivMode_VisibleCursor)
680 #endif
681
682 // do not change these constants lightly, there are many interdependencies
683 #define IMBUFSIZ 128 // input modifier buffer sizes
684 #define KBUFSZ 512 // size of keyboard mapping buffer
685 #define CBUFSIZ 32768 // size of command buffer (longest command sequence possible)
686 #define CBUFCNT 8 // never call pty_fill/cmd_parse more than this often in a row
687 #define UBUFSIZ 2048 // character buffer
688
689 #if ENABLE_FRILLS
690 # include <X11/Xmd.h>
691 typedef struct _mwmhints
692 {
693 CARD32 flags;
694 CARD32 functions;
695 CARD32 decorations;
696 INT32 input_mode;
697 CARD32 status;
698 } MWMHints;
699 #endif
700
701 /* Motif window hints */
702 #define MWM_HINTS_FUNCTIONS (1L << 0)
703 #define MWM_HINTS_DECORATIONS (1L << 1)
704 #define MWM_HINTS_INPUT_MODE (1L << 2)
705 #define MWM_HINTS_STATUS (1L << 3)
706 /* bit definitions for MwmHints.functions */
707 #define MWM_FUNC_ALL (1L << 0)
708 #define MWM_FUNC_RESIZE (1L << 1)
709 #define MWM_FUNC_MOVE (1L << 2)
710 #define MWM_FUNC_MINIMIZE (1L << 3)
711 #define MWM_FUNC_MAXIMIZE (1L << 4)
712 #define MWM_FUNC_CLOSE (1L << 5)
713 /* bit definitions for MwmHints.decorations */
714 #define MWM_DECOR_ALL (1L << 0)
715 #define MWM_DECOR_BORDER (1L << 1)
716 #define MWM_DECOR_RESIZEH (1L << 2)
717 #define MWM_DECOR_TITLE (1L << 3)
718 #define MWM_DECOR_MENU (1L << 4)
719 #define MWM_DECOR_MINIMIZE (1L << 5)
720 #define MWM_DECOR_MAXIMIZE (1L << 6)
721 /* bit definitions for MwmHints.inputMode */
722 #define MWM_INPUT_MODELESS 0
723 #define MWM_INPUT_PRIMARY_APPLICATION_MODAL 1
724 #define MWM_INPUT_SYSTEM_MODAL 2
725 #define MWM_INPUT_FULL_APPLICATION_MODAL 3
726 #define PROP_MWM_HINTS_ELEMENTS 5
727
728 /*
729 *****************************************************************************
730 * MACRO DEFINES
731 *****************************************************************************
732 */
733
734 // speed hack, copy some member variable into a local variable of the same name
735 #define dLocal(type,name) type const name = this->name
736
737 // for speed reasons, we assume that all codepoints 32 to 126 are
738 // single-width.
739 #define WCWIDTH(c) (IN_RANGE_INC (c, 0x20, 0x7e) ? 1 : wcwidth (c))
740
741 /* convert pixel dimensions to row/column values. Everything as int32_t */
742 #define Pixel2Col(x) Pixel2Width((int32_t)(x))
743 #define Pixel2Row(y) Pixel2Height((int32_t)(y))
744 #define Pixel2Width(x) ((int32_t)(x) / (int32_t)fwidth)
745 #define Pixel2Height(y) ((int32_t)(y) / (int32_t)fheight)
746 #define Col2Pixel(col) ((int32_t)Width2Pixel(col))
747 #define Row2Pixel(row) ((int32_t)Height2Pixel(row))
748 #define Width2Pixel(n) ((int32_t)(n) * (int32_t)fwidth)
749 #define Height2Pixel(n) ((int32_t)(n) * (int32_t)fheight)
750
751 #define LINENO_of(t,n) MOD ((t)->term_start + int(n), (t)->total_rows)
752 #define ROW_of(t,n) (t)->row_buf [LINENO_of ((t), n)]
753
754 #define LINENO(n) LINENO_of (this, n)
755 #define ROW(n) ROW_of (this, n)
756
757 /* how to build & extract colors and attributes */
758 #define GET_BASEFG(x) (((x) & RS_fgMask) >> RS_fgShift)
759 #define GET_BASEBG(x) (((x) & RS_bgMask) >> RS_bgShift)
760
761 #define GET_FONT(x) (((x) & RS_fontMask) >> RS_fontShift)
762 #define SET_FONT(x,fid) (((x) & ~RS_fontMask) | ((fid) << RS_fontShift))
763
764 #define GET_STYLE(x) (((x) & RS_styleMask) >> RS_styleShift)
765 #define SET_STYLE(x,style) (((x) & ~RS_styleMask) | ((style) << RS_styleShift))
766
767 #define GET_ATTR(x) (((x) & RS_attrMask))
768 #define SET_FGCOLOR(x,fg) (((x) & ~RS_fgMask) | ((fg) << RS_fgShift))
769 #define SET_BGCOLOR(x,bg) (((x) & ~RS_bgMask) | ((bg) << RS_bgShift))
770 #define SET_ATTR(x,a) (((x) & ~RS_attrMask) | (a))
771
772 #define RS_SAME(a,b) (!(((a) ^ (b)) & ~RS_Careful))
773
774 #define PIXCOLOR_NAME(idx) rs[Rs_color + (idx)]
775 #define ISSET_PIXCOLOR(idx) (!!rs[Rs_color + (idx)])
776
777 #if ENABLE_STYLES
778 # define FONTSET_of(t,style) (t)->fontset[GET_STYLE (style)]
779 #else
780 # define FONTSET_of(t,style) (t)->fontset[0]
781 #endif
782
783 #define FONTSET(style) FONTSET_of (this, style)
784
785 typedef callback<void (const char *)> log_callback;
786 typedef callback<int (int)> getfd_callback;
787
788 /****************************************************************************/
789
790 #define LINE_LONGER 0x0001 // line is continued on the next row
791 #define LINE_FILTERED 0x0002 // line has been filtered
792 #define LINE_COMPRESSED 0x0004 // line has been compressed (NYI)
793 #define LINE_FILTER 0x0008 // line needs to be filtered before display (NYI)
794 #define LINE_BIDI 0x0010 // line needs bidi (NYI)
795
796 struct line_t
797 {
798 text_t *t; // terminal the text
799 rend_t *r; // rendition, uses RS_ flags
800 tlen_t_ l; // length of each text line
801 uint32_t f; // flags
802
803 bool valid ()
804 {
805 return l >= 0;
806 }
807
808 void alloc ()
809 {
810 l = 0;
811 }
812
813 bool is_longer ()
814 {
815 return f & LINE_LONGER;
816 }
817
818 void is_longer (int set)
819 {
820 if (set)
821 f |= LINE_LONGER;
822 else
823 f &= ~LINE_LONGER;
824 }
825
826 void clear ()
827 {
828 t = 0;
829 r = 0;
830 l = 0;
831 f = 0;
832 }
833
834 void touch () // call whenever a line is changed/touched/updated
835 {
836 #if ENABLE_PERL
837 f &= ~LINE_FILTERED;
838 #endif
839 }
840
841 void touch (int col)
842 {
843 max_it (l, col);
844 touch ();
845 }
846 };
847
848 /****************************************************************************/
849
850 // primitive wrapper around mbstate_t to ensure initialisation
851 struct mbstate
852 {
853 mbstate_t mbs;
854
855 operator mbstate_t *() { return &mbs; }
856 void reset () { memset (&mbs, 0, sizeof (mbs)); }
857 mbstate () { reset (); }
858 };
859
860 /****************************************************************************/
861
862 #define UNICODE_MASK 0x1fffffUL
863
864 #if UNICODE_3
865 # define COMPOSE_LO 0x40000000UL
866 # define COMPOSE_HI 0x400fffffUL
867 # define IS_COMPOSE(n) ((int32_t)(n) >= COMPOSE_LO)
868 #else
869 # if ENABLE_PERL
870 # define COMPOSE_LO 0xe000UL // our _own_ functions don't like (illegal) surrogates
871 # define COMPOSE_HI 0xf8ffUL // in utf-8, so use private use area only
872 # else
873 # define COMPOSE_LO 0xd800UL
874 # define COMPOSE_HI 0xf8ffUL
875 # endif
876 # define IS_COMPOSE(n) IN_RANGE_INC ((n), COMPOSE_LO, COMPOSE_HI)
877 #endif
878
879 #if ENABLE_COMBINING
880 // compose chars are used to represent composite characters
881 // that are not representable in unicode, as well as characters
882 // not fitting in the BMP.
883 struct compose_char
884 {
885 unicode_t c1, c2; // any chars != NOCHAR are valid
886
887 compose_char (unicode_t c1, unicode_t c2)
888 : c1(c1), c2(c2)
889 { }
890 };
891
892 class rxvt_composite_vec
893 {
894 vector<compose_char> v;
895 public:
896 text_t compose (unicode_t c1, unicode_t c2 = NOCHAR);
897 int expand (unicode_t c, wchar_t *r);
898 compose_char *operator [](text_t c)
899 {
900 return c >= COMPOSE_LO && c < COMPOSE_LO + v.size ()
901 ? &v[c - COMPOSE_LO]
902 : 0;
903 }
904 };
905
906 extern class rxvt_composite_vec rxvt_composite;
907 #endif
908
909 /****************************************************************************/
910
911 #ifdef KEYSYM_RESOURCE
912 class keyboard_manager;
913 #endif
914
915 typedef struct rxvt_term *rxvt_t;
916
917 extern rxvt_t rxvt_current_term;
918
919 #define SET_R(r) rxvt_current_term = const_cast<rxvt_term *>(r)
920 #define GET_R rxvt_current_term
921
922 /* ------------------------------------------------------------------------- */
923 struct overlay_base
924 {
925 int x, y, w, h; // overlay dimensions
926 text_t **text;
927 rend_t **rend;
928
929 // while tempting to add swap() etc. here, it effectively only increases code size
930 };
931
932 /* ------------------------------------------------------------------------- */
933
934 typedef struct
935 {
936 int row;
937 int col;
938 } row_col_t;
939
940 /*
941 * terminal limits:
942 *
943 * width : 1 <= width
944 * height : 1 <= height
945 * ncol : 1 <= ncol <= MAX(tlen_t)
946 * nrow : 1 <= nrow <= MAX(int)
947 * saveLines : 0 <= saveLines <= MAX(int)
948 * term_start : 0 <= term_start < saveLines
949 * total_rows : nrow + saveLines
950 *
951 * top_row : -saveLines <= top_row <= 0
952 * view_start : top_row <= view_start <= 0
953 *
954 * | most coordinates are stored relative to term_start,
955 * ROW_BUF | which is the first line of the terminal screen
956 * |························= row_buf[0]
957 * |························= row_buf[1]
958 * |························= row_buf[2] etc.
959 * |
960 * +------------+···········= term_start + top_row
961 * | scrollback |
962 * | scrollback +---------+·= term_start + view_start
963 * | scrollback | display |
964 * | scrollback | display |
965 * +------------+·display·+·= term_start
966 * | terminal | display |
967 * | terminal +---------+
968 * | terminal |
969 * | terminal |
970 * +------------+···········= term_start + nrow - 1
971 * |
972 * |
973 * END······················= total_rows
974 */
975
976 struct TermWin_t
977 {
978 int vt_width; /* actual window width [pixels] */
979 int vt_height; /* actual window height [pixels] */
980 int width; /* window width [pixels] */
981 int height; /* window height [pixels] */
982 int fwidth; /* font width [pixels] */
983 int fheight; /* font height [pixels] */
984 int fbase; /* font ascent (baseline) [pixels] */
985 int ncol; /* window columns [characters] */
986 int nrow; /* window rows [characters] */
987 int focus; /* window has focus */
988 int mapped; /* window state mapped? */
989 int int_bwidth; /* internal border width */
990 int ext_bwidth; /* external border width */
991 int lineSpace; /* number of extra pixels between rows */
992 int letterSpace; /* number of extra pixels between columns */
993 int saveLines; /* number of lines that fit in scrollback */
994 int total_rows; /* total number of rows in this terminal */
995 int term_start; /* term lines start here */
996 int view_start; /* scrollback view starts here */
997 int top_row; /* topmost row index of scrollback */
998 Window parent; /* parent identifier */
999 Window vt; /* vt100 window */
1000 GC gc; /* GC for drawing */
1001 rxvt_drawable *drawable;
1002 rxvt_fontset *fontset[4];
1003 };
1004
1005 /*
1006 * screen accounting:
1007 * screen_t elements
1008 * row: Cursor row position : 0 <= row < nrow
1009 * col: Cursor column position : 0 <= col < ncol
1010 * tscroll: Scrolling region top row inclusive : 0 <= row < nrow
1011 * bscroll: Scrolling region bottom row inclusive : 0 <= row < nrow
1012 *
1013 * selection_t elements
1014 * clicks: 1, 2 or 3 clicks - 4 indicates a special condition of 1 where
1015 * nothing is selected
1016 * beg: row/column of beginning of selection : never past mark
1017 * mark: row/column of initial click : never past end
1018 * end: row/column of one character past end of selection
1019 * * Note: top_row <= beg.row <= mark.row <= end.row < nrow
1020 * * Note: col == -1 ==> we're left of screen
1021 *
1022 */
1023 struct screen_t
1024 {
1025 row_col_t cur; /* cursor position on the screen */
1026 int tscroll; /* top of settable scroll region */
1027 int bscroll; /* bottom of settable scroll region */
1028 unsigned int charset; /* character set number [0..3] */
1029 unsigned int flags; /* see below */
1030 row_col_t s_cur; /* saved cursor position */
1031 unsigned int s_charset; /* saved character set number [0..3] */
1032 char s_charset_char;
1033 rend_t s_rstyle; /* saved rendition style */
1034 };
1035
1036 enum selection_op_t
1037 {
1038 SELECTION_CLEAR = 0, /* nothing selected */
1039 SELECTION_INIT, /* marked a point */
1040 SELECTION_BEGIN, /* started a selection */
1041 SELECTION_CONT, /* continued selection */
1042 SELECTION_DONE /* selection put in CUT_BUFFER0 */
1043 };
1044
1045 struct selection_t
1046 {
1047 wchar_t *text; /* selected text */
1048 unsigned int len; /* length of selected text */
1049 unsigned int screen; /* screen being used */
1050 unsigned int clicks; /* number of clicks */
1051 selection_op_t op; /* current operation */
1052 bool rect; /* rectangular selection? */
1053 row_col_t beg; /* beginning of selection <= mark */
1054 row_col_t mark; /* point of initial click <= end */
1055 row_col_t end; /* one character past end point */
1056 wchar_t *clip_text; /* text copied to the clipboard */
1057 unsigned int clip_len; /* length of clipboard text */
1058 };
1059
1060 /* ------------------------------------------------------------------------- */
1061
1062 /* screen_t flags */
1063 #define Screen_Relative (1<<0) /* relative origin mode flag */
1064 #define Screen_VisibleCursor (1<<1) /* cursor visible? */
1065 #define Screen_Autowrap (1<<2) /* auto-wrap flag */
1066 #define Screen_Insert (1<<3) /* insert mode (vs. overstrike) */
1067 #define Screen_WrapNext (1<<4) /* need to wrap for next char? */
1068 #define Screen_DefaultFlags (Screen_VisibleCursor | Screen_Autowrap)
1069
1070 /* rxvt_vars.options */
1071 enum {
1072 # define def(name) Opt_ ## name,
1073 # define nodef(name) Opt_prev_ ## name, Opt_ ## name = 0, Opt_next_ ## name = Opt_prev_ ## name - 1,
1074 Opt_0,
1075 # include "optinc.h"
1076 # undef nodef
1077 # undef def
1078 Opt_count
1079 };
1080
1081 /* ------------------------------------------------------------------------- */
1082
1083 struct rxvt_vars : TermWin_t
1084 {
1085 scrollBar_t scrollBar;
1086 uint8_t options[(Opt_count + 7) >> 3];
1087 XSizeHints szHint;
1088 rxvt_color *pix_colors;
1089 Cursor TermWin_cursor; /* cursor for vt window */
1090
1091 line_t *row_buf; // all lines, scrollback + terminal, circular
1092 line_t *drawn_buf; // text on screen
1093 line_t *swap_buf; // lines for swap buffer
1094 char *tabs; /* per location: 1 == tab-stop */
1095 screen_t screen;
1096 screen_t swap;
1097 selection_t selection;
1098 rxvt_color pix_colors_focused[TOTAL_COLORS];
1099 #ifdef OFF_FOCUS_FADING
1100 rxvt_color pix_colors_unfocused[TOTAL_COLORS];
1101 #endif
1102 };
1103
1104 struct rxvt_term : zero_initialized, rxvt_vars, rxvt_screen
1105 {
1106
1107 // special markers with magic addresses
1108 static const char resval_undef []; // options specifically unset
1109 static const char resval_on []; // boolean options switched on
1110 static const char resval_off []; // or off
1111
1112 log_callback *log_hook; // log error messages through this hook, if != 0
1113 getfd_callback *getfd_hook; // convert remote to local fd, if != 0
1114 #if ENABLE_PERL
1115 rxvt_perl_term perl;
1116 #endif
1117 struct mbstate mbstate; // current input multibyte state
1118
1119 unsigned char want_refresh:1,
1120 current_screen:1, /* primary or secondary */
1121 num_scr_allow:1,
1122 bypass_keystate:1,
1123 #if ENABLE_FRILLS
1124 urgency_hint:1,
1125 #endif
1126 #if CURSOR_BLINK
1127 hidden_cursor:1,
1128 #endif
1129 #if TEXT_BLINK
1130 hidden_text:1,
1131 #endif
1132 #if POINTER_BLANK
1133 hidden_pointer:1,
1134 #endif
1135 enc_utf8:1, /* whether locale uses utf-8 */
1136 seen_input:1, /* whether we have seen some program output yet */
1137 seen_resize:1, /* whether we had a resize event */
1138 init_done:1,
1139 parsed_geometry:1;
1140
1141 unsigned char refresh_type,
1142 #ifdef META8_OPTION
1143 meta_char; /* Alt-key prefix */
1144 #endif
1145 /* ---------- */
1146 bool rvideo_state, rvideo_mode;
1147 #ifndef NO_BELL
1148 bool rvideo_bell;
1149 #endif
1150 int num_scr; /* screen: number of lines scrolled */
1151 int prev_ncol, /* screen: previous number of columns */
1152 prev_nrow; /* screen: previous number of rows */
1153 /* ---------- */
1154 rend_t rstyle;
1155 /* ---------- */
1156 #ifdef SELECTION_SCROLLING
1157 int scroll_selection_lines;
1158 int selection_save_x,
1159 selection_save_y,
1160 selection_save_state;
1161 #endif
1162 /* ---------- */
1163 int csrO, /* Hops - csr offset in thumb/slider to */
1164 /* give proper Scroll behaviour */
1165 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1166 mouse_slip_wheel_speed,
1167 #endif
1168 refresh_count,
1169 window_vt_x,
1170 window_vt_y,
1171 mouse_row,
1172 mouse_col,
1173 # ifdef POINTER_BLANK
1174 pointerBlankDelay,
1175 # endif
1176 multiClickTime,
1177 cursor_type,
1178 allowedxerror;
1179 /* ---------- */
1180 unsigned int ModLevel3Mask,
1181 ModMetaMask,
1182 ModNumLockMask;
1183 unsigned long priv_modes,
1184 SavedModes;
1185 /* ---------- */
1186 Atom *xa;
1187 /* ---------- */
1188 Time selection_time,
1189 clipboard_time;
1190 rxvt_selection *selection_req;
1191 pid_t cmd_pid; /* process id of child */
1192 /* ---------- */
1193 struct mouse_event MEvent;
1194 XComposeStatus compose;
1195 static struct termios def_tio;
1196 row_col_t oldcursor;
1197
1198 #ifdef HAVE_BG_PIXMAP
1199 void bg_init ();
1200 void bg_destroy ();
1201
1202 # if BG_IMAGE_FROM_FILE
1203 rxvt_image fimage;
1204 void render_image (rxvt_image &image);
1205 # endif
1206
1207 # if BG_IMAGE_FROM_ROOT
1208 rxvt_img *root_img;
1209 image_effects root_effects;
1210
1211 void render_root_image ();
1212 # endif
1213
1214 ev_tstamp bg_valid_since;
1215
1216 bool bg_window_size_sensitive ();
1217 bool bg_window_position_sensitive ();
1218
1219 void bg_render ();
1220 #endif
1221
1222 #ifdef HAVE_IMG
1223 enum {
1224 BG_IS_TRANSPARENT = 1 << 1,
1225 BG_NEEDS_REFRESH = 1 << 2,
1226 BG_INHIBIT_RENDER = 1 << 3,
1227 };
1228
1229 uint8_t bg_flags;
1230
1231 rxvt_img *bg_img;
1232 #endif
1233
1234 #if ENABLE_OVERLAY
1235 overlay_base ov;
1236
1237 void scr_swap_overlay () NOTHROW;
1238 void scr_overlay_new (int x, int y, int w, int h) NOTHROW;
1239 void scr_overlay_off () NOTHROW;
1240 void scr_overlay_set (int x, int y,
1241 text_t text,
1242 rend_t rend = OVERLAY_RSTYLE) NOTHROW;
1243 void scr_overlay_set (int x, int y, const char *s) NOTHROW;
1244 void scr_overlay_set (int x, int y, const wchar_t *s) NOTHROW;
1245 #endif
1246
1247 vector<void *> allocated; // free these memory blocks with free()
1248
1249 int parent_x, parent_y; // parent window position relative to root, only updated on demand
1250
1251 char *locale;
1252 char charsets[4];
1253 char *v_buffer; /* pointer to physical buffer */
1254 unsigned int v_buflen; /* size of area to write */
1255 stringvec *argv, *envv; /* if != 0, will be freed at destroy time */
1256 char **env;
1257
1258 #ifdef KEYSYM_RESOURCE
1259 keyboard_manager *keyboard;
1260 #endif
1261 #ifndef NO_RESOURCES
1262 XrmDatabase option_db;
1263 #endif
1264
1265 const char *rs[NUM_RESOURCES];
1266 /* command input buffering */
1267 char *cmdbuf_ptr, *cmdbuf_endp;
1268 char cmdbuf_base[CBUFSIZ];
1269
1270 ptytty *pty;
1271
1272 // chunk contains all line_t's as well as rend_t and text_t buffers
1273 // for drawn_buf, swap_buf and row_buf, in this order
1274 void *chunk;
1275 size_t chunk_size;
1276
1277 uint32_t rgb24_color[RGB24_CUBE_SIZE]; // the 24-bit color value
1278 uint16_t rgb24_seqno[RGB24_CUBE_SIZE]; // which one is older?
1279 uint16_t rgb24_sequence;
1280
1281 static vector<rxvt_term *> termlist; // a vector of all running rxvt_term's
1282
1283 #if ENABLE_FRILLS || ISO_14755
1284 // ISO 14755 entry support
1285 unicode_t iso14755buf;
1286 void commit_iso14755 ();
1287 # if ISO_14755
1288 void iso14755_51 (unicode_t ch, rend_t r = DEFAULT_RSTYLE, int x = 0, int y = -1, int y2 = -1);
1289 void iso14755_54 (int x, int y);
1290 # endif
1291 #endif
1292
1293 long vt_emask, vt_emask_perl, vt_emask_xim, vt_emask_mouse;
1294
1295 void vt_select_input () const NOTHROW
1296 {
1297 XSelectInput (dpy, vt, vt_emask | vt_emask_perl | vt_emask_xim | vt_emask_mouse);
1298 }
1299
1300 #if BG_IMAGE_FROM_ROOT || ENABLE_PERL
1301 void rootwin_cb (XEvent &xev);
1302 xevent_watcher rootwin_ev;
1303 #endif
1304 #ifdef HAVE_BG_PIXMAP
1305 void update_background ();
1306 void update_background_cb (ev::timer &w, int revents);
1307 ev::timer update_background_ev;
1308 #endif
1309
1310 void x_cb (XEvent &xev);
1311 xevent_watcher termwin_ev;
1312 xevent_watcher vt_ev;
1313 xevent_watcher scrollbar_ev;
1314
1315 void child_cb (ev::child &w, int revents); ev::child child_ev;
1316 void destroy_cb (ev::idle &w, int revents); ev::idle destroy_ev;
1317 void refresh_check ();
1318 void flush ();
1319 void flush_cb (ev::timer &w, int revents); ev::timer flush_ev;
1320 void cmdbuf_reify ();
1321 void cmdbuf_append (const char *str, size_t count);
1322 bool pty_fill ();
1323 void pty_cb (ev::io &w, int revents); ev::io pty_ev;
1324
1325 #ifdef CURSOR_BLINK
1326 void cursor_blink_reset ();
1327 void cursor_blink_cb (ev::timer &w, int revents); ev::timer cursor_blink_ev;
1328 #endif
1329 #ifdef TEXT_BLINK
1330 void text_blink_cb (ev::timer &w, int revents); ev::timer text_blink_ev;
1331 #endif
1332 #ifndef NO_BELL
1333 void bell_cb (ev::timer &w, int revents); ev::timer bell_ev;
1334 #endif
1335
1336 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1337 void cont_scroll_cb (ev::timer &w, int revents); ev::timer cont_scroll_ev;
1338 #endif
1339 #ifdef SELECTION_SCROLLING
1340 void sel_scroll_cb (ev::timer &w, int revents); ev::timer sel_scroll_ev;
1341 #endif
1342 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1343 void slip_wheel_cb (ev::timer &w, int revents); ev::timer slip_wheel_ev;
1344 #endif
1345
1346 #ifdef POINTER_BLANK
1347 void pointer_cb (ev::timer &w, int revents); ev::timer pointer_ev;
1348 void pointer_blank ();
1349 #endif
1350 void pointer_unblank ();
1351
1352 void tt_printf (const char *fmt,...);
1353 void tt_write_ (const char *data, unsigned int len);
1354 void tt_write (const char *data, unsigned int len);
1355 void tt_write_user_input (const char *data, unsigned int len);
1356 void pty_write ();
1357
1358 void make_current () const // make this the "currently active" urxvt instance
1359 {
1360 SET_R (this);
1361 set_environ (env);
1362 rxvt_set_locale (locale);
1363 }
1364
1365 #if USE_XIM
1366 rxvt_xim *input_method;
1367 XIC Input_Context;
1368 XIMStyle input_style;
1369 XPoint spot; // most recently sent spot position
1370
1371 void im_destroy ();
1372 void im_cb (); im_watcher im_ev;
1373 void im_set_size (XRectangle &size);
1374 void im_set_position (XPoint &pos) NOTHROW;
1375 void im_set_color (unsigned long &fg, unsigned long &bg);
1376 void im_set_preedit_area (XRectangle &preedit_rect, XRectangle &status_rect, const XRectangle &needed_rect);
1377
1378 bool im_is_running ();
1379 void im_send_spot ();
1380 bool im_get_ic (const char *modifiers);
1381 void im_set_position ();
1382 #endif
1383
1384 // command.C
1385 void key_press (XKeyEvent &ev);
1386 void key_release (XKeyEvent &ev);
1387
1388 wchar_t next_char () NOTHROW;
1389 wchar_t cmd_getc () THROW ((class out_of_input));
1390 uint32_t next_octet () NOTHROW;
1391 uint32_t cmd_get8 () THROW ((class out_of_input));
1392
1393 void cmd_parse ();
1394 void mouse_report (XButtonEvent &ev);
1395 void button_press (XButtonEvent &ev);
1396 void button_release (XButtonEvent &ev);
1397 void focus_in ();
1398 void focus_out ();
1399 #if ENABLE_FRILLS
1400 void set_urgency (bool enable);
1401 #else
1402 void set_urgency (bool enable) { }
1403 #endif
1404 void update_fade_color (unsigned int idx, bool first_time = false);
1405 #ifdef PRINTPIPE
1406 FILE *popen_printer ();
1407 int pclose_printer (FILE *stream);
1408 #endif
1409 void process_print_pipe ();
1410 void process_nonprinting (unicode_t ch);
1411 void process_escape_vt52 (unicode_t ch);
1412 void process_escape_seq ();
1413 void process_csi_seq ();
1414 void process_window_ops (const int *args, unsigned int nargs);
1415 char *get_to_st (unicode_t &ends_how);
1416 void process_dcs_seq ();
1417 void process_osc_seq ();
1418 void process_color_seq (int report, int color, const char *str, char resp);
1419 void process_xterm_seq (int op, char *str, char resp);
1420 unsigned int map_rgb24_color (unsigned int r, unsigned int g, unsigned int b, unsigned int a);
1421 int privcases (int mode, unsigned long bit);
1422 void process_terminal_mode (int mode, int priv, unsigned int nargs, const int *arg);
1423 void process_sgr_mode (unsigned int nargs, const int *arg);
1424 void set_cursor_style (int style);
1425 // init.C
1426 void init (stringvec *argv, stringvec *envv);
1427 void init (int argc, const char *const *argv, const char *const *envv);
1428 void init2 (int argc, const char *const *argv);
1429 void init_vars ();
1430 const char **init_resources (int argc, const char *const *argv);
1431 void init_env ();
1432 void set_locale (const char *locale);
1433 void init_xlocale ();
1434 void init_command (const char *const *argv);
1435 void run_command (const char *const *argv);
1436 int run_child (const char *const *argv);
1437 void color_aliases (int idx);
1438 void create_windows (int argc, const char *const *argv);
1439 void get_colors ();
1440 void get_ourmods ();
1441 void set_icon (const char *file);
1442 // main.C
1443 void tt_winch ();
1444 rxvt_term ();
1445 ~rxvt_term ();
1446 void destroy ();
1447 void emergency_cleanup ();
1448 void recolor_cursor ();
1449 void resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent);
1450 void window_calc (unsigned int newwidth, unsigned int newheight);
1451 bool set_fonts ();
1452 void set_string_property (Atom prop, const char *str, int len = -1);
1453 void set_mbstring_property (Atom prop, const char *str, int len = -1);
1454 void set_utf8_property (Atom prop, const char *str, int len = -1);
1455 void set_title (const char *str);
1456 void set_icon_name (const char *str);
1457 void set_window_color (int idx, const char *color);
1458 char *get_colorfgbg ();
1459 bool set_color (rxvt_color &color, const char *name);
1460 void alias_color (int dst, int src);
1461 void set_widthheight (unsigned int newwidth, unsigned int newheight);
1462 void get_window_origin (int &x, int &y);
1463
1464 // screen.C
1465
1466 bool option (uint8_t opt) const NOTHROW
1467 {
1468 return options[opt >> 3] & (1 << (opt & 7));
1469 }
1470
1471 void set_option (uint8_t opt, bool set = true) NOTHROW;
1472
1473 int fgcolor_of (rend_t r) const NOTHROW
1474 {
1475 int base = GET_BASEFG (r);
1476 #ifndef NO_BRIGHTCOLOR
1477 if (r & RS_Bold
1478 # if ENABLE_STYLES
1479 && option (Opt_intensityStyles)
1480 # endif
1481 && IN_RANGE_EXC (base, minCOLOR, minBrightCOLOR))
1482 base += minBrightCOLOR - minCOLOR;
1483 #endif
1484 return base;
1485 }
1486
1487 int bgcolor_of (rend_t r) const NOTHROW
1488 {
1489 int base = GET_BASEBG (r);
1490 #ifndef NO_BRIGHTCOLOR
1491 if (r & RS_Blink
1492 # if ENABLE_STYLES
1493 && option (Opt_intensityStyles)
1494 # endif
1495 && IN_RANGE_EXC (base, minCOLOR, minBrightCOLOR))
1496 base += minBrightCOLOR - minCOLOR;
1497 #endif
1498 return base;
1499 }
1500
1501 // modifies first argument(!)
1502 void tt_paste (char *data, unsigned int len) NOTHROW;
1503 void paste (char *data, unsigned int len) NOTHROW;
1504 void scr_alloc () NOTHROW;
1505 void scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const NOTHROW;
1506 void scr_blank_screen_mem (line_t &l, rend_t efs) const NOTHROW;
1507 void scr_kill_char (line_t &l, int col) const NOTHROW;
1508 void scr_set_char_rend (line_t &l, int col, rend_t rend);
1509 int scr_scroll_text (int row1, int row2, int count) NOTHROW;
1510 void copy_line (line_t &dst, line_t &src);
1511 void scr_reset ();
1512 void scr_release () NOTHROW;
1513 void scr_clear (bool really = false) NOTHROW;
1514 void scr_refresh () NOTHROW;
1515 bool scr_refresh_rend (rend_t mask, rend_t value) NOTHROW;
1516 void scr_erase_screen (int mode) NOTHROW;
1517 #if ENABLE_FRILLS
1518 void scr_erase_savelines () NOTHROW;
1519 void scr_backindex () NOTHROW;
1520 void scr_forwardindex () NOTHROW;
1521 #endif
1522 void scr_touch (bool refresh) NOTHROW;
1523 void scr_expose (int x, int y, int width, int height, bool refresh) NOTHROW;
1524 void scr_recolor (bool refresh = true) NOTHROW;
1525 void scr_remap_chars () NOTHROW;
1526 void scr_remap_chars (line_t &l) NOTHROW;
1527
1528 enum cursor_mode { SAVE, RESTORE };
1529
1530 void scr_poweron ();
1531 void scr_soft_reset () NOTHROW;
1532 void scr_cursor (cursor_mode mode) NOTHROW;
1533 void scr_do_wrap () NOTHROW;
1534 void scr_swap_screen () NOTHROW;
1535 void scr_change_screen (int scrn);
1536 void scr_color (unsigned int color, int fgbg) NOTHROW;
1537 void scr_rendition (int set, int style) NOTHROW;
1538 void scr_add_lines (const wchar_t *str, int len, int minlines = 0) NOTHROW;
1539 void scr_backspace () NOTHROW;
1540 void scr_tab (int count, bool ht = false) NOTHROW;
1541 void scr_gotorc (int row, int col, int relative) NOTHROW;
1542 void scr_index (enum page_dirn direction) NOTHROW;
1543 void scr_erase_line (int mode) NOTHROW;
1544 void scr_E () NOTHROW;
1545 void scr_insdel_lines (int count, int insdel) NOTHROW;
1546 void scr_insdel_chars (int count, int insdel) NOTHROW;
1547 void scr_scroll_region (int top, int bot) NOTHROW;
1548 void scr_cursor_visible (int mode) NOTHROW;
1549 void scr_autowrap (int mode) NOTHROW;
1550 void scr_relative_origin (int mode) NOTHROW;
1551 void scr_insert_mode (int mode) NOTHROW;
1552 void scr_set_tab (int mode) NOTHROW;
1553 void scr_rvideo_mode (bool on) NOTHROW;
1554 void scr_report_position () NOTHROW;
1555 void set_font_style () NOTHROW;
1556 void scr_charset_choose (int set) NOTHROW;
1557 void scr_charset_set (int set, unsigned int ch) NOTHROW;
1558 void scr_move_to (int y, int len) NOTHROW;
1559 bool scr_page (int nlines) NOTHROW;
1560 bool scr_page (enum page_dirn direction, int nlines) NOTHROW
1561 {
1562 return scr_page (direction * nlines);
1563 }
1564 bool scr_changeview (int new_view_start) NOTHROW;
1565 void scr_bell () NOTHROW;
1566 void scr_printscreen (int fullhist) NOTHROW;
1567 void scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) NOTHROW;
1568 void scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) NOTHROW;
1569 void scr_reverse_selection () NOTHROW;
1570 void scr_dump (int fd) NOTHROW;
1571
1572 void selection_check (int check_more) NOTHROW;
1573 void selection_changed () NOTHROW; /* sets want_refresh, corrects coordinates */
1574 void selection_request (Time tm, int selnum = Sel_Primary) NOTHROW;
1575 void selection_clear (bool clipboard = false) NOTHROW;
1576 void selection_make (Time tm);
1577 bool selection_grab (Time tm, bool clipboard = false) NOTHROW;
1578 void selection_start_colrow (int col, int row) NOTHROW;
1579 void selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW;
1580 void selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW;
1581 void selection_remove_trailing_spaces () NOTHROW;
1582 void selection_send (const XSelectionRequestEvent &rq) NOTHROW;
1583 void selection_click (int clicks, int x, int y) NOTHROW;
1584 void selection_extend (int x, int y, int flag) NOTHROW;
1585 void selection_rotate (int x, int y) NOTHROW;
1586
1587 // xdefaults.C
1588 void rxvt_usage (int type);
1589 const char **get_options (int argc, const char *const *argv);
1590 int parse_keysym (const char *str, unsigned int &state);
1591 int bind_action (const char *str, const char *arg);
1592 const char *x_resource (const char *name);
1593 void extract_resources ();
1594 void enumerate_keysym_resources (void (*cb)(rxvt_term *, const char *, const char *));
1595 void extract_keysym_resources ();
1596 };
1597
1598 #endif /* _RXVT_H_ */
1599