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/cvs/rxvt-unicode/src/rxvt.h
Revision: 1.427
Committed: Mon Jan 10 14:07:19 2011 UTC (13 years, 5 months ago) by sf-exg
Content type: text/plain
Branch: MAIN
Changes since 1.426: +8 -2 lines
Log Message:
Generalize rxvt_splitcommastring to accept any char as delimiter and
optimize it to use a single memory area for the strings.

File Contents

# Content
1 #ifndef RXVT_H_ /* include once only */
2 #define RXVT_H_
3
4 #include <cstdio>
5 #include <cctype>
6 #include <cerrno>
7 #include <cstdarg>
8 #include <cstdlib>
9 #ifdef HAVE_STDINT_H
10 #include <stdint.h>
11 #endif
12 #include <sys/types.h>
13 #include <unistd.h>
14 #include <cstring>
15 #include <assert.h>
16 #ifdef HAVE_SYS_IOCTL_H
17 #include <sys/ioctl.h>
18 #endif
19 #ifdef HAVE_SYS_STRREDIR_H
20 #include <sys/strredir.h>
21 #endif
22
23 #if HAVE_CWCHAR
24 # include <cwchar>
25 #elif HAVE_WCHAR_H
26 # include <wchar.h>
27 #else
28 // stdlib.h might provide it
29 #endif
30
31 using namespace std;
32
33 // we assume that Xlib.h defines XPointer, and it does since at least 1994...
34
35 extern "C" {
36 #include <X11/Xlib.h>
37 #include <X11/Xutil.h>
38 #include <X11/Xresource.h>
39 }
40
41 #if UNICODE_3
42 typedef uint32_t text_t;
43 #else
44 typedef uint16_t text_t; // saves lots of memory
45 #endif
46 typedef uint32_t rend_t;
47 typedef int32_t tlen_t; // was int16_t, but this results in smaller code and memory use
48 typedef int32_t tlen_t_; // specifically for use in the line_t structure
49
50 #include "feature.h"
51
52 #if defined (ISO_14755) || defined (ENABLE_PERL)
53 # define ENABLE_OVERLAY 1
54 #endif
55
56 #if ENABLE_PERL
57 # define ENABLE_FRILLS 1
58 # define ENABLE_COMBINING 1
59 #endif
60
61 #if ENABLE_FRILLS
62 # define ENABLE_XEMBED 1
63 # define ENABLE_EWMH 1
64 # define ENABLE_XIM_ONTHESPOT 1
65 # define CURSOR_BLINK 1
66 # define OPTION_HC 1
67 # define BUILTIN_GLYPHS 1
68 #else
69 # define ENABLE_MINIMAL 1
70 #endif
71
72 #include <limits.h>
73
74 #include <X11/cursorfont.h>
75 #include <X11/keysym.h>
76 #include <X11/keysymdef.h>
77 #include <X11/Xatom.h>
78
79 #include "encoding.h"
80 #include "rxvtutil.h"
81 #include "rxvtfont.h"
82 #include "rxvttoolkit.h"
83 #include "scrollbar.h"
84 #include "ev_cpp.h"
85 #include "salloc.h"
86 #include "libptytty.h"
87
88 #include "rxvtperl.h"
89
90 // try to avoid some macros to decrease code size, on some systems
91 #if ENABLE_MINIMAL
92 # define strcmp(a,b) (strcmp)(a,b)
93 # define strlen(a) (strlen)(a)
94 # define strcpy(a,b) (strcpy)(a,b)
95 # define memset(a,c,l) (memset)(a,c,l)
96 # define memcpy(a,b,l) (memcpy)(a,b,l)
97 #endif
98
99 /*
100 *****************************************************************************
101 * SYSTEM HACKS
102 *****************************************************************************
103 */
104
105 #include <termios.h>
106
107 #include "background.h"
108
109 #ifndef STDIN_FILENO
110 # define STDIN_FILENO 0
111 # define STDOUT_FILENO 1
112 # define STDERR_FILENO 2
113 #endif
114
115 #ifndef EXIT_SUCCESS /* missing from <stdlib.h> */
116 # define EXIT_SUCCESS 0 /* exit function success */
117 # define EXIT_FAILURE 1 /* exit function failure */
118 #endif
119
120 #ifndef PATH_MAX
121 # define PATH_MAX 16384
122 #endif
123
124 /****************************************************************************/
125
126 // exception thrown on fatal (per-instance) errors
127 class rxvt_failure_exception { };
128
129 // exception thrown when the command parser runs out of input data
130 class out_of_input { };
131
132 /*
133 *****************************************************************************
134 * PROTOTYPES
135 *****************************************************************************
136 */
137 // main.C
138 #define SET_LOCALE(locale) rxvt_set_locale (locale)
139 extern bool rxvt_set_locale (const char *locale) NOTHROW;
140 extern void rxvt_push_locale (const char *locale) NOTHROW;
141 extern void rxvt_pop_locale () NOTHROW;
142 void rxvt_init ();
143
144 // misc.C
145 char * rxvt_wcstombs (const wchar_t *str, int len = -1);
146 wchar_t * rxvt_mbstowcs (const char *str, int len = -1);
147 char * rxvt_wcstoutf8 (const wchar_t *str, int len = -1);
148 wchar_t * rxvt_utf8towcs (const char *str, int len = -1);
149
150 const char * rxvt_basename (const char *str) NOTHROW;
151 void rxvt_vlog (const char *fmt, va_list arg_ptr) NOTHROW;
152 void rxvt_log (const char *fmt,...) NOTHROW;
153 void rxvt_warn (const char *fmt,...) NOTHROW;
154 void rxvt_fatal (const char *fmt, ...) THROW ((class rxvt_failure_exception)) NORETURN;
155 void rxvt_exit_failure () THROW ((class rxvt_failure_exception)) NORETURN;
156
157 char * rxvt_strtrim (char *str) NOTHROW;
158 char ** rxvt_strsplit (char delim, const char *str) NOTHROW;
159
160 static inline void
161 rxvt_free_strsplit (char **ptr) NOTHROW
162 {
163 free (ptr[0]);
164 free (ptr);
165 }
166
167 void * rxvt_malloc (size_t size);
168 void * rxvt_calloc (size_t number, size_t size);
169 void * rxvt_realloc (void *ptr, size_t size);
170
171 /////////////////////////////////////////////////////////////////////////////
172
173 // temporarily replace the process environment
174 extern char **environ;
175 extern char **rxvt_environ; // the original environ pointer
176
177 static inline void
178 set_environ (stringvec *envv)
179 {
180 #if ENABLE_PERL
181 assert (envv);
182 #else
183 if (envv)
184 #endif
185 environ = (char **)envv->begin ();
186 }
187
188 static inline void
189 set_environ (char **envv)
190 {
191 #if ENABLE_PERL
192 assert (envv);
193 #else
194 if (envv)
195 #endif
196 environ = envv;
197 }
198
199 struct localise_env
200 {
201 char **orig_env;
202
203 localise_env (char **new_env)
204 {
205 orig_env = environ;
206 environ = new_env;
207 }
208
209 ~localise_env ()
210 {
211 environ = orig_env;
212 }
213 };
214
215 /*
216 *****************************************************************************
217 * STRUCTURES AND TYPEDEFS
218 *****************************************************************************
219 */
220
221 /*
222 * the 'essential' information for reporting Mouse Events
223 * pared down from XButtonEvent
224 */
225 struct mouse_event
226 {
227 int clicks;
228 Time time; /* milliseconds */
229 unsigned int state; /* key or button mask */
230 unsigned int button; /* detail */
231 };
232
233 #if ENABLE_XEMBED
234 // XEMBED messages
235 # define XEMBED_EMBEDDED_NOTIFY 0
236 # define XEMBED_WINDOW_ACTIVATE 1
237 # define XEMBED_WINDOW_DEACTIVATE 2
238 # define XEMBED_REQUEST_FOCUS 3
239 # define XEMBED_FOCUS_IN 4
240 # define XEMBED_FOCUS_OUT 5
241 # define XEMBED_FOCUS_NEXT 6
242 # define XEMBED_FOCUS_PREV 7
243
244 # define XEMBED_MODALITY_ON 10
245 # define XEMBED_MODALITY_OFF 11
246 # define XEMBED_REGISTER_ACCELERATOR 12
247 # define XEMBED_UNREGISTER_ACCELERATOR 13
248 # define XEMBED_ACTIVATE_ACCELERATOR 14
249
250 // XEMBED detail code
251 # define XEMBED_FOCUS_CURRENT 0
252 # define XEMBED_FOCUS_FIRST 1
253 # define XEMBED_FOCUS_LAST 2
254
255 # define XEMBED_MAPPED (1 << 0)
256 #endif
257
258 /*
259 *****************************************************************************
260 * NORMAL DEFINES
261 *****************************************************************************
262 */
263
264 /* COLORTERM, TERM environment variables */
265 #define COLORTERMENV "rxvt"
266 #ifdef BG_IMAGE_FROM_FILE
267 # define COLORTERMENVFULL COLORTERMENV "-xpm"
268 #else
269 # define COLORTERMENVFULL COLORTERMENV
270 #endif
271 #ifndef TERMENV
272 # if USE_256_COLORS
273 # define TERMENV "rxvt-unicode-256color"
274 # else
275 # define TERMENV "rxvt-unicode"
276 # endif
277 #endif
278
279 #if defined (NO_MOUSE_REPORT) && !defined (NO_MOUSE_REPORT_SCROLLBAR)
280 # define NO_MOUSE_REPORT_SCROLLBAR 1
281 #endif
282
283 #define scrollBar_esc 30
284
285 #if !defined (RXVT_SCROLLBAR) && !defined (NEXT_SCROLLBAR)
286 # define NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING 1
287 #endif
288
289 enum {
290 NO_REFRESH = 0, /* Window not visible at all! */
291 FAST_REFRESH = 1, /* Fully exposed window */
292 SLOW_REFRESH = 2, /* Partially exposed window */
293 };
294
295 #ifdef NO_SECONDARY_SCREEN
296 # define NSCREENS 0
297 #else
298 # define NSCREENS 1
299 #endif
300
301 /* special (internal) prefix for font commands */
302 #define FONT_CMD '#'
303 #define FONT_DN "#-"
304 #define FONT_UP "#+"
305
306 /* flags for rxvt_scr_gotorc () */
307 enum {
308 C_RELATIVE = 1, /* col movement is relative */
309 R_RELATIVE = 2, /* row movement is relative */
310 RELATIVE = C_RELATIVE | R_RELATIVE,
311 };
312
313 /* modes for rxvt_scr_insdel_chars (), rxvt_scr_insdel_lines () */
314 enum {
315 INSERT = -1, /* don't change these values */
316 DELETE = +1,
317 ERASE = +2,
318 };
319
320 /* modes for rxvt_scr_page () - scroll page. used by scrollbar window */
321 enum page_dirn {
322 UP,
323 DN,
324 NO_DIR,
325 };
326
327 /* arguments for rxvt_scr_change_screen () */
328 enum {
329 PRIMARY = 0,
330 SECONDARY,
331 };
332
333 // define various rendition bits and masks. the rendition word
334 // is 32 bits in size, and we should use it as efficiently as possible
335
336 #define RS_None 0
337
338 // GET_BGATTR depends on RS_fgShift > RS_bgShift
339 #define RS_colorMask ((1UL << Color_Bits) - 1UL)
340 #define RS_bgShift 0
341 #define RS_fgShift (RS_bgShift + Color_Bits)
342 #define RS_bgMask (RS_colorMask << RS_bgShift)
343 #define RS_fgMask (RS_colorMask << RS_fgShift)
344
345 // must have space for rxvt_fontset::fontCount * 2 + 2 values
346 #define RS_fontShift (RS_fgShift + Color_Bits)
347 #define RS_Careful (1UL << RS_fontShift) /* be careful when drawing these */
348 #define RS_fontCount rxvt_fontset::fontCount
349 #define RS_fontMask ((RS_fontCount << (RS_fontShift + 1)) | RS_Careful) // includes RS_Careful
350
351 // toggle this to force redraw, must be != RS_Careful and otherwise "pretty neutral"
352 #define RS_redraw (2UL << RS_fontShift)
353
354 #define RS_Sel (1UL << 22)
355
356 // 4 custom bits for extensions
357 #define RS_customCount 16UL
358 #define RS_customShift 23
359 #define RS_customMask ((RS_customCount - 1UL) << RS_customShift)
360
361 // font styles
362 #define RS_Bold (1UL << RS_styleShift)
363 #define RS_Italic (2UL << RS_styleShift)
364
365 #define RS_styleCount 4
366 #define RS_styleShift 27
367 #define RS_styleMask (RS_Bold | RS_Italic)
368
369 // fake styles
370 #define RS_Blink (1UL << 29)
371 #define RS_RVid (1UL << 30) // reverse video
372 #define RS_Uline (1UL << 31) // underline
373
374 #define RS_baseattrMask (RS_Italic | RS_Bold | RS_Blink | RS_RVid | RS_Uline)
375 #define RS_attrMask (RS_baseattrMask | RS_fontMask)
376
377 #define DEFAULT_RSTYLE (RS_None | (Color_fg << RS_fgShift) | (Color_bg << RS_bgShift))
378 #define OVERLAY_RSTYLE (RS_None | (Color_Black << RS_fgShift) | (Color_Yellow << RS_bgShift))
379
380 #define Sel_none 0 /* Not waiting */
381 #define Sel_normal 0x01 /* normal selection */
382 #define Sel_incr 0x02 /* incremental selection */
383 #define Sel_direct 0x00
384 #define Sel_Primary 0x01
385 #define Sel_Secondary 0x02
386 #define Sel_Clipboard 0x03
387 #define Sel_whereMask 0x0f
388 #define Sel_CompoundText 0x10 /* last request was COMPOUND_TEXT */
389 #define Sel_UTF8String 0x20 /* last request was UTF8_STRING */
390
391 enum {
392 C0_NUL = 0x00,
393 C0_SOH, C0_STX, C0_ETX, C0_EOT, C0_ENQ, C0_ACK, C0_BEL,
394 C0_BS , C0_HT , C0_LF , C0_VT , C0_FF , C0_CR , C0_SO , C0_SI ,
395 C0_DLE, C0_DC1, C0_DC2, D0_DC3, C0_DC4, C0_NAK, C0_SYN, C0_ETB,
396 C0_CAN, C0_EM , C0_SUB, C0_ESC, C0_IS4, C0_IS3, C0_IS2, C0_IS1,
397 };
398 #define CHAR_ST 0x9c /* 0234 */
399
400 /*
401 * XTerm Operating System Commands: ESC ] Ps;Pt (ST|BEL)
402 * colour extensions by Christian W. Zuckschwerdt <zany@triq.net>
403 */
404 enum {
405 XTerm_name = 0,
406 XTerm_iconName = 1,
407 XTerm_title = 2,
408 XTerm_property = 3, // change X property
409 XTerm_Color = 4, // change colors
410 XTerm_Color00 = 10, // change fg color
411 XTerm_Color01 = 11, // change bg color
412 XTerm_Color_cursor = 12, // change actual 'Cursor' color
413 XTerm_Color_pointer_fg = 13, // change actual 'Pointer' fg color
414 XTerm_Color_pointer_bg = 14, // change actual 'Pointer' bg color
415 XTerm_Color05 = 15, // not implemented (tektronix fg)
416 XTerm_Color06 = 16, // not implemented (tektronix bg)
417 XTerm_Color_HC = 17, // change actual 'Highlight' bg color
418 XTerm_Color_HTC = 19, // change actual 'Highlight' fg color
419 XTerm_logfile = 46, // not implemented
420 XTerm_font = 50,
421
422 XTerm_konsole30 = 30, // reserved for konsole
423 XTerm_konsole31 = 31, // reserved for konsole
424 XTerm_emacs51 = 51, // reserved for emacs shell
425 /*
426 * rxvt extensions of XTerm OSCs: ESC ] Ps;Pt (ST|BEL)
427 */
428
429 // deprecated
430 Rxvt_restoreFG = 39,
431 Rxvt_restoreBG = 49,
432
433 Rxvt_Pixmap = 20, // new bg pixmap
434 Rxvt_dumpscreen = 55, // dump scrollback and all of screen
435
436 URxvt_locale = 701, // change locale
437 URxvt_version = 702, // request version
438
439 URxvt_Color_IT = 704, // change actual 'Italic' colour
440 URxvt_Color_tint = 705, // change actual tint colour
441 URxvt_Color_BD = 706, // change actual 'Bold' color
442 URxvt_Color_UL = 707, // change actual 'Underline' color
443 URxvt_Color_border = 708,
444
445 URxvt_font = 710,
446 URxvt_boldFont = 711,
447 URxvt_italicFont = 712,
448 URxvt_boldItalicFont = 713,
449
450 URxvt_view_up = 720,
451 URxvt_view_down = 721,
452
453 URxvt_perl = 777, // for use by perl extensions, starts with "extension-name;"
454 };
455
456 /* Words starting with `Color_' are colours. Others are counts */
457 /*
458 * The PixColor and rendition colour usage should probably be decoupled
459 * on the unnecessary items, e.g. Color_pointer, but won't bother
460 * until we need to. Also, be aware of usage in pixcolor_set
461 */
462
463 enum colour_list {
464 Color_none = -2,
465 Color_transparent = -1,
466 Color_fg = 0,
467 Color_bg,
468 minCOLOR, /* 2 */
469 Color_Black = minCOLOR,
470 Color_Red3,
471 Color_Green3,
472 Color_Yellow3,
473 Color_Blue3,
474 Color_Magenta3,
475 Color_Cyan3,
476 maxCOLOR, /* minCOLOR + 7 */
477 #ifndef NO_BRIGHTCOLOR
478 Color_AntiqueWhite = maxCOLOR,
479 minBrightCOLOR, /* maxCOLOR + 1 */
480 Color_Grey25 = minBrightCOLOR,
481 Color_Red,
482 Color_Green,
483 Color_Yellow,
484 Color_Blue,
485 Color_Magenta,
486 Color_Cyan,
487 maxBrightCOLOR, /* minBrightCOLOR + 7 */
488 Color_White = maxBrightCOLOR,
489 #else
490 Color_White = maxCOLOR,
491 #endif
492 minTermCOLOR = Color_White + 1,
493 #if USE_256_COLORS
494 maxTermCOLOR = Color_White + 240,
495 #else
496 maxTermCOLOR = Color_White + 72,
497 #endif
498 #ifndef NO_CURSORCOLOR
499 Color_cursor,
500 Color_cursor2,
501 #endif
502 Color_pointer_fg,
503 Color_pointer_bg,
504 Color_border,
505 #ifndef NO_BOLD_UNDERLINE_REVERSE
506 Color_BD,
507 Color_IT,
508 Color_UL,
509 Color_RV,
510 #endif
511 #if ENABLE_FRILLS
512 Color_underline,
513 #endif
514 #ifdef OPTION_HC
515 Color_HC,
516 Color_HTC,
517 #endif
518 Color_scroll,
519 #ifdef RXVT_SCROLLBAR
520 Color_trough,
521 #endif
522 #if ENABLE_TRANSPARENCY
523 Color_tint,
524 #endif
525 #if OFF_FOCUS_FADING
526 Color_fade,
527 #endif
528 NRS_COLORS, /* */
529 #ifdef RXVT_SCROLLBAR
530 Color_topShadow = NRS_COLORS,
531 Color_bottomShadow,
532 TOTAL_COLORS
533 #else
534 TOTAL_COLORS = NRS_COLORS
535 #endif
536 };
537
538 #if USE_256_COLORS
539 # define Color_Bits 9 // 0 .. maxTermCOLOR
540 #else
541 # define Color_Bits 7 // 0 .. maxTermCOLOR
542 #endif
543
544 /*
545 * Resource list
546 */
547 enum {
548 # define def(name) Rs_ ## name,
549 # define reserve(name,count) Rs_ ## name ## _ = Rs_ ## name + (count) - 1,
550 # include "rsinc.h"
551 # undef def
552 # undef reserve
553 NUM_RESOURCES
554 };
555
556 /* DEC private modes */
557 #define PrivMode_132 (1UL<<0)
558 #define PrivMode_132OK (1UL<<1)
559 #define PrivMode_rVideo (1UL<<2)
560 #define PrivMode_relOrigin (1UL<<3)
561 #define PrivMode_Screen (1UL<<4)
562 #define PrivMode_Autowrap (1UL<<5)
563 #define PrivMode_aplCUR (1UL<<6)
564 #define PrivMode_aplKP (1UL<<7)
565 #define PrivMode_HaveBackSpace (1UL<<8)
566 #define PrivMode_BackSpace (1UL<<9)
567 #define PrivMode_ShiftKeys (1UL<<10)
568 #define PrivMode_VisibleCursor (1UL<<11)
569 #define PrivMode_MouseX10 (1UL<<12)
570 #define PrivMode_MouseX11 (1UL<<13)
571 #define PrivMode_scrollBar (1UL<<14)
572 #define PrivMode_TtyOutputInh (1UL<<15)
573 #define PrivMode_Keypress (1UL<<16)
574 #define PrivMode_smoothScroll (1UL<<17)
575 #define PrivMode_vt52 (1UL<<18)
576 #define PrivMode_LFNL (1UL<<19)
577 #define PrivMode_MouseBtnEvent (1UL<<20)
578 #define PrivMode_MouseAnyEvent (1UL<<21)
579 #define PrivMode_BracketPaste (1UL<<22)
580 #define PrivMode_ExtModeMouse (1UL<<23) // xterm pseudo-utf-8 hack
581 #define PrivMode_ExtMouseRight (1UL<<24) // xterm pseudo-utf-8, but works in non-utf-8-locales
582
583 #define PrivMode_mouse_report (PrivMode_MouseX10|PrivMode_MouseX11|PrivMode_MouseBtnEvent|PrivMode_MouseAnyEvent)
584
585 #ifdef ALLOW_132_MODE
586 # define PrivMode_Default (PrivMode_Autowrap|PrivMode_ShiftKeys|PrivMode_VisibleCursor|PrivMode_132OK)
587 #else
588 # define PrivMode_Default (PrivMode_Autowrap|PrivMode_ShiftKeys|PrivMode_VisibleCursor)
589 #endif
590
591 // do not change these constants lightly, there are many interdependencies
592 #define IMBUFSIZ 128 // input modifier buffer sizes
593 #define KBUFSZ 512 // size of keyboard mapping buffer
594 #define CBUFSIZ 2048 // size of command buffer
595 #define CBUFCNT 8 // never call pty_fill/cmd_parse more than this often in a row
596 #define UBUFSIZ 2048 // character buffer
597
598 #if ENABLE_FRILLS
599 # include <X11/Xmd.h>
600 typedef struct _mwmhints
601 {
602 CARD32 flags;
603 CARD32 functions;
604 CARD32 decorations;
605 INT32 input_mode;
606 CARD32 status;
607 } MWMHints;
608 #endif
609
610 /* Motif window hints */
611 #define MWM_HINTS_FUNCTIONS (1L << 0)
612 #define MWM_HINTS_DECORATIONS (1L << 1)
613 #define MWM_HINTS_INPUT_MODE (1L << 2)
614 #define MWM_HINTS_STATUS (1L << 3)
615 /* bit definitions for MwmHints.functions */
616 #define MWM_FUNC_ALL (1L << 0)
617 #define MWM_FUNC_RESIZE (1L << 1)
618 #define MWM_FUNC_MOVE (1L << 2)
619 #define MWM_FUNC_MINIMIZE (1L << 3)
620 #define MWM_FUNC_MAXIMIZE (1L << 4)
621 #define MWM_FUNC_CLOSE (1L << 5)
622 /* bit definitions for MwmHints.decorations */
623 #define MWM_DECOR_ALL (1L << 0)
624 #define MWM_DECOR_BORDER (1L << 1)
625 #define MWM_DECOR_RESIZEH (1L << 2)
626 #define MWM_DECOR_TITLE (1L << 3)
627 #define MWM_DECOR_MENU (1L << 4)
628 #define MWM_DECOR_MINIMIZE (1L << 5)
629 #define MWM_DECOR_MAXIMIZE (1L << 6)
630 /* bit definitions for MwmHints.inputMode */
631 #define MWM_INPUT_MODELESS 0
632 #define MWM_INPUT_PRIMARY_APPLICATION_MODAL 1
633 #define MWM_INPUT_SYSTEM_MODAL 2
634 #define MWM_INPUT_FULL_APPLICATION_MODAL 3
635 #define PROP_MWM_HINTS_ELEMENTS 5
636
637 /*
638 *****************************************************************************
639 * MACRO DEFINES
640 *****************************************************************************
641 */
642
643 // speed hack, copy some member variable into a local variable of the same name
644 #define dLocal(type,name) type const name = this->name
645
646 // for speed reasons, we assume that all codepoints 32 to 126 are
647 // single-width.
648 #define WCWIDTH(c) (IN_RANGE_INC (c, 0x20, 0x7e) ? 1 : wcwidth (c))
649
650 /* convert pixel dimensions to row/column values. Everything as int32_t */
651 #define Pixel2Col(x) Pixel2Width((int32_t)(x))
652 #define Pixel2Row(y) Pixel2Height((int32_t)(y))
653 #define Pixel2Width(x) ((int32_t)(x) / (int32_t)fwidth)
654 #define Pixel2Height(y) ((int32_t)(y) / (int32_t)fheight)
655 #define Col2Pixel(col) ((int32_t)Width2Pixel(col))
656 #define Row2Pixel(row) ((int32_t)Height2Pixel(row))
657 #define Width2Pixel(n) ((int32_t)(n) * (int32_t)fwidth)
658 #define Height2Pixel(n) ((int32_t)(n) * (int32_t)fheight)
659
660 #define LINENO_of(t,n) MOD ((t)->term_start + int(n), (t)->total_rows)
661 #define ROW_of(t,n) (t)->row_buf [LINENO_of ((t), n)]
662
663 #define LINENO(n) LINENO_of (this, n)
664 #define ROW(n) ROW_of (this, n)
665
666 /* how to build & extract colors and attributes */
667 #define GET_BASEFG(x) (((x) & RS_fgMask) >> RS_fgShift)
668 #define GET_BASEBG(x) (((x) & RS_bgMask) >> RS_bgShift)
669
670 #define GET_FONT(x) (((x) & RS_fontMask) >> RS_fontShift)
671 #define SET_FONT(x,fid) (((x) & ~RS_fontMask) | ((fid) << RS_fontShift))
672
673 #define GET_STYLE(x) (((x) & RS_styleMask) >> RS_styleShift)
674 #define SET_STYLE(x,style) (((x) & ~RS_styleMask) | ((style) << RS_styleShift))
675
676 #define GET_ATTR(x) (((x) & RS_attrMask))
677 // return attributes defining the background, encoding doesn't matter
678 // depends on RS_fgShift > RS_bgShift
679 #define GET_BGATTR(x) \
680 (expect_false ((x) & RS_RVid) \
681 ? (((x) & (RS_attrMask & ~RS_RVid)) \
682 | (((x) & RS_fgMask) >> (RS_fgShift - RS_bgShift))) \
683 : ((x) & (RS_attrMask | RS_bgMask)))
684 #define SET_FGCOLOR(x,fg) (((x) & ~RS_fgMask) | ((fg) << RS_fgShift))
685 #define SET_BGCOLOR(x,bg) (((x) & ~RS_bgMask) | ((bg) << RS_bgShift))
686 #define SET_ATTR(x,a) (((x) & ~RS_attrMask) | (a))
687
688 #define RS_SAME(a,b) (!(((a) ^ (b)) & ~RS_Careful))
689
690 #define PIXCOLOR_NAME(idx) rs[Rs_color + (idx)]
691 #define ISSET_PIXCOLOR(idx) (!!rs[Rs_color + (idx)])
692
693 #if ENABLE_STYLES
694 # define FONTSET_of(t,style) (t)->fontset[GET_STYLE (style)]
695 #else
696 # define FONTSET_of(t,style) (t)->fontset[0]
697 #endif
698
699 #define FONTSET(style) FONTSET_of (this, style)
700
701 typedef callback<void (const char *)> log_callback;
702 typedef callback<int (int)> getfd_callback;
703
704 /****************************************************************************/
705
706 #define LINE_LONGER 0x0001 // line is continued on the next row
707 #define LINE_FILTERED 0x0002 // line has been filtered
708 #define LINE_COMPRESSED 0x0004 // line has been compressed (NYI)
709 #define LINE_FILTER 0x0008 // line needs to be filtered before display (NYI)
710 #define LINE_BIDI 0x0010 // line needs bidi (NYI)
711
712 struct line_t
713 {
714 text_t *t; // terminal the text
715 rend_t *r; // rendition, uses RS_ flags
716 tlen_t_ l; // length of each text line
717 uint32_t f; // flags
718
719 bool is_longer ()
720 {
721 return f & LINE_LONGER;
722 }
723
724 void is_longer (int set)
725 {
726 if (set)
727 f |= LINE_LONGER;
728 else
729 f &= ~LINE_LONGER;
730 }
731
732 void clear ()
733 {
734 t = 0;
735 r = 0;
736 l = 0;
737 f = 0;
738 }
739
740 void touch () // call whenever a line is changed/touched/updated
741 {
742 #if ENABLE_PERL
743 f &= ~LINE_FILTERED;
744 #endif
745 }
746
747 void touch (int col)
748 {
749 max_it (l, col);
750 touch ();
751 }
752 };
753
754 /****************************************************************************/
755
756 // primitive wrapper around mbstate_t to ensure initialisation
757 struct mbstate
758 {
759 mbstate_t mbs;
760
761 operator mbstate_t *() { return &mbs; }
762 void reset () { memset (&mbs, 0, sizeof (mbs)); }
763 mbstate () { reset (); }
764 };
765
766 /****************************************************************************/
767
768 #define UNICODE_MASK 0x1fffffUL
769
770 #if UNICODE_3
771 # define COMPOSE_LO 0x40000000UL
772 # define COMPOSE_HI 0x400fffffUL
773 # define IS_COMPOSE(n) ((int32_t)(n) >= COMPOSE_LO)
774 #else
775 # if ENABLE_PERL
776 # define COMPOSE_LO 0xe000UL // our _own_ functions don't like (illegal) surrogates
777 # define COMPOSE_HI 0xf8ffUL // in utf-8, so use private use area only
778 # else
779 # define COMPOSE_LO 0xd800UL
780 # define COMPOSE_HI 0xf8ffUL
781 # endif
782 # define IS_COMPOSE(n) IN_RANGE_INC ((n), COMPOSE_LO, COMPOSE_HI)
783 #endif
784
785 #if ENABLE_COMBINING
786 // compose chars are used to represent composite characters
787 // that are not representable in unicode, as well as characters
788 // not fitting in the BMP.
789 struct compose_char
790 {
791 unicode_t c1, c2; // any chars != NOCHAR are valid
792 compose_char (unicode_t c1, unicode_t c2)
793 : c1(c1), c2(c2)
794 { }
795 };
796
797 class rxvt_composite_vec
798 {
799 vector<compose_char> v;
800 public:
801 text_t compose (unicode_t c1, unicode_t c2 = NOCHAR);
802 int expand (unicode_t c, wchar_t *r);
803 compose_char *operator [](text_t c)
804 {
805 return c >= COMPOSE_LO && c < COMPOSE_LO + v.size ()
806 ? &v[c - COMPOSE_LO]
807 : 0;
808 }
809 };
810
811 extern class rxvt_composite_vec rxvt_composite;
812 #endif
813
814 /****************************************************************************/
815
816 #ifdef KEYSYM_RESOURCE
817 class keyboard_manager;
818 #endif
819
820 typedef struct rxvt_term *rxvt_t;
821
822 extern rxvt_t rxvt_current_term;
823
824 #define SET_R(r) rxvt_current_term = const_cast<rxvt_term *>(r)
825 #define GET_R rxvt_current_term
826
827 /* ------------------------------------------------------------------------- */
828 struct overlay_base
829 {
830 int x, y, w, h; // overlay dimensions
831 text_t **text;
832 rend_t **rend;
833
834 // while tempting to add swap() etc. here, it effectively only increases code size
835 };
836
837 /* ------------------------------------------------------------------------- */
838
839 typedef struct
840 {
841 int row;
842 int col;
843 } row_col_t;
844
845 /*
846 * terminal limits:
847 *
848 * width : 1 <= width
849 * height : 1 <= height
850 * ncol : 1 <= ncol <= MAX(tlen_t)
851 * nrow : 1 <= nrow <= MAX(int)
852 * saveLines : 0 <= saveLines <= MAX(int)
853 * term_start : 0 <= term_start < saveLines
854 * total_rows : nrow + saveLines
855 *
856 * top_row : -saveLines <= top_row <= 0
857 * view_start : top_row <= view_start <= 0
858 *
859 * | most coordinates are stored relative to term_start,
860 * ROW_BUF | which is the first line of the terminal screen
861 * |························= row_buf[0]
862 * |························= row_buf[1]
863 * |························= row_buf[2] etc.
864 * |
865 * +------------+···········= term_start + top_row
866 * | scrollback |
867 * | scrollback +---------+·= term_start + view_start
868 * | scrollback | display |
869 * | scrollback | display |
870 * +------------+·display·+·= term_start
871 * | terminal | display |
872 * | terminal +---------+
873 * | terminal |
874 * | terminal |
875 * +------------+···········= term_start + nrow - 1
876 * |
877 * |
878 * END······················= total_rows
879 */
880
881 struct TermWin_t
882 {
883 int width; /* window width [pixels] */
884 int height; /* window height [pixels] */
885 int fwidth; /* font width [pixels] */
886 int fheight; /* font height [pixels] */
887 int fbase; /* font ascent (baseline) [pixels] */
888 int ncol; /* window columns [characters] */
889 int nrow; /* window rows [characters] */
890 int focus; /* window has focus */
891 int mapped; /* window state mapped? */
892 int int_bwidth; /* internal border width */
893 int ext_bwidth; /* external border width */
894 int lineSpace; /* number of extra pixels between rows */
895 int letterSpace; /* number of extra pixels between columns */
896 int saveLines; /* number of lines that fit in scrollback */
897 int total_rows; /* total number of rows in this terminal */
898 int term_start; /* term lines start here */
899 int view_start; /* scrollback view starts here */
900 int top_row; /* topmost row index of scrollback */
901 Window parent[6]; /* parent identifiers - we're parent[0] */
902 Window vt; /* vt100 window */
903 GC gc; /* GC for drawing */
904 Pixmap pixmap;
905 rxvt_drawable *drawable;
906 rxvt_fontset *fontset[4];
907 };
908
909 /*
910 * screen accounting:
911 * screen_t elements
912 * row: Cursor row position : 0 <= row < nrow
913 * col: Cursor column position : 0 <= col < ncol
914 * tscroll: Scrolling region top row inclusive : 0 <= row < nrow
915 * bscroll: Scrolling region bottom row inclusive : 0 <= row < nrow
916 *
917 * selection_t elements
918 * clicks: 1, 2 or 3 clicks - 4 indicates a special condition of 1 where
919 * nothing is selected
920 * beg: row/column of beginning of selection : never past mark
921 * mark: row/column of initial click : never past end
922 * end: row/column of one character past end of selection
923 * * Note: top_row <= beg.row <= mark.row <= end.row < nrow
924 * * Note: col == -1 ==> we're left of screen
925 *
926 */
927 struct screen_t
928 {
929 row_col_t cur; /* cursor position on the screen */
930 int tscroll; /* top of settable scroll region */
931 int bscroll; /* bottom of settable scroll region */
932 unsigned int charset; /* character set number [0..3] */
933 unsigned int flags; /* see below */
934 row_col_t s_cur; /* saved cursor position */
935 unsigned int s_charset; /* saved character set number [0..3] */
936 char s_charset_char;
937 rend_t s_rstyle; /* saved rendition style */
938 };
939
940 enum selection_op_t
941 {
942 SELECTION_CLEAR = 0, /* nothing selected */
943 SELECTION_INIT, /* marked a point */
944 SELECTION_BEGIN, /* started a selection */
945 SELECTION_CONT, /* continued selection */
946 SELECTION_DONE /* selection put in CUT_BUFFER0 */
947 };
948
949 struct selection_t
950 {
951 wchar_t *text; /* selected text */
952 unsigned int len; /* length of selected text */
953 unsigned int screen; /* screen being used */
954 unsigned int clicks; /* number of clicks */
955 selection_op_t op; /* current operation */
956 bool rect; /* rectangular selection? */
957 row_col_t beg; /* beginning of selection <= mark */
958 row_col_t mark; /* point of initial click <= end */
959 row_col_t end; /* one character past end point */
960 wchar_t *clip_text; /* text copied to the clipboard */
961 unsigned int clip_len; /* length of clipboard text */
962 };
963
964 /* ------------------------------------------------------------------------- */
965
966 /* screen_t flags */
967 #define Screen_Relative (1<<0) /* relative origin mode flag */
968 #define Screen_VisibleCursor (1<<1) /* cursor visible? */
969 #define Screen_Autowrap (1<<2) /* auto-wrap flag */
970 #define Screen_Insert (1<<3) /* insert mode (vs. overstrike) */
971 #define Screen_WrapNext (1<<4) /* need to wrap for next char? */
972 #define Screen_DefaultFlags (Screen_VisibleCursor | Screen_Autowrap)
973
974 /* rxvt_vars.options */
975 enum {
976 # define def(name) Opt_ ## name,
977 # define nodef(name) Opt_prev_ ## name, Opt_ ## name = 0, Opt_next_ ## name = Opt_prev_ ## name - 1,
978 Opt_0,
979 # include "optinc.h"
980 # undef nodef
981 # undef def
982 Opt_count
983 };
984
985 /* ------------------------------------------------------------------------- */
986
987 struct rxvt_vars : TermWin_t
988 {
989 scrollBar_t scrollBar;
990 uint8_t options[(Opt_count + 7) >> 3];
991 XSizeHints szHint;
992 rxvt_color *pix_colors;
993 Cursor TermWin_cursor; /* cursor for vt window */
994 line_t *row_buf; // all lines, scrollback + terminal, circular, followed by temp_buf
995 line_t *drawn_buf; // text on screen
996 line_t *swap_buf; // lines for swap buffer
997 char *tabs; /* per location: 1 == tab-stop */
998 screen_t screen;
999 screen_t swap;
1000 selection_t selection;
1001 rxvt_color pix_colors_focused[TOTAL_COLORS];
1002 #ifdef OFF_FOCUS_FADING
1003 rxvt_color pix_colors_unfocused[TOTAL_COLORS];
1004 #endif
1005 };
1006
1007 struct rxvt_term : zero_initialized, rxvt_vars, rxvt_screen
1008 {
1009
1010 // special markers with magic addresses
1011 static const char resval_undef []; // options specifically unset
1012 static const char resval_on []; // boolean options switched on
1013 static const char resval_off []; // or off
1014
1015 log_callback *log_hook; // log error messages through this hook, if != 0
1016 getfd_callback *getfd_hook; // convert remote to local fd, if != 0
1017 #if ENABLE_PERL
1018 rxvt_perl_term perl;
1019 #endif
1020 struct mbstate mbstate; // current input multibyte state
1021
1022 unsigned char want_refresh:1,
1023 current_screen:1, /* primary or secondary */
1024 num_scr_allow:1,
1025 bypass_keystate:1,
1026 #if ENABLE_FRILLS
1027 urgency_hint:1,
1028 #endif
1029 #if CURSOR_BLINK
1030 hidden_cursor:1,
1031 #endif
1032 #if TEXT_BLINK
1033 hidden_text:1,
1034 #endif
1035 #if POINTER_BLANK
1036 hidden_pointer:1,
1037 #endif
1038 enc_utf8:1, /* whether locale uses utf-8 */
1039 seen_input:1, /* whether we have seen some program output yet */
1040 seen_resize:1, /* whether we had a resize event */
1041 parsed_geometry:1;
1042
1043 unsigned char refresh_type,
1044 #ifdef META8_OPTION
1045 meta_char, /* Alt-key prefix */
1046 #endif
1047 selection_wait,
1048 selection_type;
1049 /* ---------- */
1050 bool rvideo_state, rvideo_mode;
1051 #ifndef NO_BELL
1052 bool rvideo_bell;
1053 #endif
1054 int num_scr; /* screen: number of lines scrolled */
1055 int prev_ncol, /* screen: previous number of columns */
1056 prev_nrow; /* screen: previous number of rows */
1057 /* ---------- */
1058 rend_t rstyle;
1059 /* ---------- */
1060 #ifdef SELECTION_SCROLLING
1061 int scroll_selection_lines;
1062 enum page_dirn scroll_selection_dir;
1063 int selection_save_x,
1064 selection_save_y,
1065 selection_save_state;
1066 #endif
1067 /* ---------- */
1068 int csrO, /* Hops - csr offset in thumb/slider to */
1069 /* give proper Scroll behaviour */
1070 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1071 mouse_slip_wheel_speed,
1072 #endif
1073 refresh_count,
1074 window_vt_x,
1075 window_vt_y,
1076 mouse_row,
1077 mouse_col,
1078 # ifdef POINTER_BLANK
1079 pointerBlankDelay,
1080 # endif
1081 allowedxerror;
1082 /* ---------- */
1083 unsigned int ModLevel3Mask,
1084 ModMetaMask,
1085 ModNumLockMask;
1086 int old_width, /* last used width in screen resize */
1087 old_height; /* last used height in screen resize */
1088 unsigned long priv_modes,
1089 SavedModes;
1090 /* ---------- */
1091 Atom *xa;
1092 /* ---------- */
1093 Time selection_time,
1094 selection_request_time,
1095 clipboard_time;
1096 pid_t cmd_pid; /* process id of child */
1097 char * incr_buf;
1098 size_t incr_buf_size, incr_buf_fill;
1099 /* ---------- */
1100 struct mouse_event MEvent;
1101 XComposeStatus compose;
1102 static struct termios def_tio;
1103 row_col_t oldcursor;
1104 #ifdef HAVE_BG_PIXMAP
1105 bgPixmap_t bgPixmap;
1106 #endif
1107 #ifdef HAVE_AFTERIMAGE
1108 ASVisual *asv;
1109 ASImageManager *asimman;
1110
1111 void init_asv ()
1112 {
1113 if (!asv)
1114 asv = create_asvisual_for_id (dpy, display->screen, depth, XVisualIDFromVisual (visual), cmap, NULL);
1115 }
1116 #endif
1117
1118 #if ENABLE_OVERLAY
1119 overlay_base ov;
1120
1121 void scr_swap_overlay () NOTHROW;
1122 void scr_overlay_new (int x, int y, int w, int h) NOTHROW;
1123 void scr_overlay_off () NOTHROW;
1124 void scr_overlay_set (int x, int y,
1125 text_t text,
1126 rend_t rend = OVERLAY_RSTYLE) NOTHROW;
1127 void scr_overlay_set (int x, int y, const char *s) NOTHROW;
1128 void scr_overlay_set (int x, int y, const wchar_t *s) NOTHROW;
1129 #endif
1130
1131 vector<void *> allocated; // free these memory blocks with free()
1132
1133 char env_windowid[21]; /* environmental variable WINDOWID */
1134 char env_colorfgbg[sizeof ("COLORFGBG=default;default;bg") + 1];
1135 char *env_display; /* environmental variable DISPLAY */
1136 char *env_term; /* environmental variable TERM */
1137
1138 char *locale;
1139 char charsets[4];
1140 char *v_buffer; /* pointer to physical buffer */
1141 unsigned int v_buflen; /* size of area to write */
1142 stringvec *argv, *envv; /* if != 0, will be freed at destroy time */
1143
1144 #ifdef KEYSYM_RESOURCE
1145 keyboard_manager *keyboard;
1146 #endif
1147 #ifndef NO_RESOURCES
1148 XrmDatabase option_db;
1149 #endif
1150
1151 const char *rs[NUM_RESOURCES];
1152 /* command input buffering */
1153 char *cmdbuf_ptr, *cmdbuf_endp;
1154 char cmdbuf_base[CBUFSIZ];
1155
1156 ptytty *pty;
1157
1158 rxvt_salloc *talloc; // text line allocator
1159 rxvt_salloc *ralloc; // rend line allocator
1160
1161 static vector<rxvt_term *> termlist; // a vector of all running rxvt_term's
1162
1163 #if ENABLE_FRILLS || ISO_14755
1164 // ISO 14755 entry support
1165 unicode_t iso14755buf;
1166 void commit_iso14755 ();
1167 # if ISO_14755
1168 void iso14755_51 (unicode_t ch, rend_t r = DEFAULT_RSTYLE, int x = 0, int y = -1);
1169 void iso14755_54 (int x, int y);
1170 # endif
1171 #endif
1172
1173 long vt_emask, vt_emask_perl, vt_emask_xim, vt_emask_mouse;
1174
1175 void vt_select_input () const NOTHROW
1176 {
1177 XSelectInput (dpy, vt, vt_emask | vt_emask_perl | vt_emask_xim | vt_emask_mouse);
1178 }
1179
1180 #if ENABLE_TRANSPARENCY || ENABLE_PERL
1181 void rootwin_cb (XEvent &xev);
1182 xevent_watcher rootwin_ev;
1183 #endif
1184 #ifdef HAVE_BG_PIXMAP
1185 void update_background ();
1186 void update_background_cb (ev::timer &w, int revents);
1187 ev::timer update_background_ev;
1188 #endif
1189
1190 void x_cb (XEvent &xev);
1191 xevent_watcher termwin_ev;
1192 xevent_watcher vt_ev;
1193 xevent_watcher scrollbar_ev;
1194
1195 void child_cb (ev::child &w, int revents); ev::child child_ev;
1196 void destroy_cb (ev::idle &w, int revents); ev::idle destroy_ev;
1197 void refresh_check ();
1198 void flush ();
1199 void flush_cb (ev::timer &w, int revents); ev::timer flush_ev;
1200 bool pty_fill ();
1201 void pty_cb (ev::io &w, int revents); ev::io pty_ev;
1202 void incr_cb (ev::timer &w, int revents) NOTHROW; ev::timer incr_ev;
1203
1204 #ifdef CURSOR_BLINK
1205 void cursor_blink_cb (ev::timer &w, int revents); ev::timer cursor_blink_ev;
1206 #endif
1207 #ifdef TEXT_BLINK
1208 void text_blink_cb (ev::timer &w, int revents); ev::timer text_blink_ev;
1209 #endif
1210 #ifndef NO_BELL
1211 void bell_cb (ev::timer &w, int revents); ev::timer bell_ev;
1212 #endif
1213
1214 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1215 void cont_scroll_cb (ev::timer &w, int revents); ev::timer cont_scroll_ev;
1216 #endif
1217 #ifdef SELECTION_SCROLLING
1218 void sel_scroll_cb (ev::timer &w, int revents); ev::timer sel_scroll_ev;
1219 #endif
1220 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1221 void slip_wheel_cb (ev::timer &w, int revents); ev::timer slip_wheel_ev;
1222 #endif
1223
1224 #ifdef POINTER_BLANK
1225 void pointer_cb (ev::timer &w, int revents); ev::timer pointer_ev;
1226 void pointer_blank ();
1227 #endif
1228 void pointer_unblank ();
1229
1230 void tt_printf (const char *fmt,...);
1231 void tt_write (const char *data, unsigned int len);
1232 void pty_write ();
1233
1234 void init (stringvec *argv, stringvec *envv)
1235 {
1236 this->argv = argv;
1237 init (argv->size (), argv->begin (), envv);
1238 }
1239
1240 void make_current () const // make this the "currently active" urxvt instance
1241 {
1242 SET_R (this);
1243 set_environ (envv);
1244 rxvt_set_locale (locale);
1245 }
1246
1247 #if USE_XIM
1248 rxvt_xim *input_method;
1249 XIC Input_Context;
1250 XIMStyle input_style;
1251 XPoint spot; // most recently sent spot position
1252
1253 void im_destroy ();
1254 void im_cb (); im_watcher im_ev;
1255 void im_set_size (XRectangle &size);
1256 void im_set_position (XPoint &pos) NOTHROW;
1257 void im_set_color (unsigned long &fg, unsigned long &bg);
1258 void im_set_preedit_area (XRectangle &preedit_rect, XRectangle &status_rect, const XRectangle &needed_rect);
1259
1260 bool IMisRunning ();
1261 void IMSendSpot ();
1262 bool IM_get_IC (const char *modifiers);
1263 void IMSetPosition ();
1264 #endif
1265
1266 // command.C
1267 void key_press (XKeyEvent &ev);
1268 void key_release (XKeyEvent &ev);
1269 unsigned int cmd_write (const char *str, unsigned int count);
1270
1271 wchar_t next_char () NOTHROW;
1272 wchar_t cmd_getc () THROW ((class out_of_input));
1273 uint32_t next_octet () NOTHROW;
1274 uint32_t cmd_get8 () THROW ((class out_of_input));
1275
1276 void cmd_parse ();
1277 void mouse_report (XButtonEvent &ev);
1278 void button_press (XButtonEvent &ev);
1279 void button_release (XButtonEvent &ev);
1280 void focus_in ();
1281 void focus_out ();
1282 #if ENABLE_FRILLS
1283 void set_urgency (bool enable);
1284 #else
1285 void set_urgency (bool enable) { }
1286 #endif
1287 void update_fade_color (unsigned int idx);
1288 #ifdef PRINTPIPE
1289 FILE *popen_printer ();
1290 int pclose_printer (FILE *stream);
1291 #endif
1292 void process_print_pipe ();
1293 void process_nonprinting (unicode_t ch);
1294 void process_escape_vt52 (unicode_t ch);
1295 void process_escape_seq ();
1296 void process_csi_seq ();
1297 void process_window_ops (const int *args, unsigned int nargs);
1298 char *get_to_st (unicode_t &ends_how);
1299 void process_dcs_seq ();
1300 void process_osc_seq ();
1301 void process_color_seq (int report, int color, const char *str, char resp);
1302 void process_xterm_seq (int op, char *str, char resp);
1303 int privcases (int mode, unsigned long bit);
1304 void process_terminal_mode (int mode, int priv, unsigned int nargs, const int *arg);
1305 void process_sgr_mode (unsigned int nargs, const int *arg);
1306 void process_graphics ();
1307 // init.C
1308 void init_vars ();
1309 const char **init_resources (int argc, const char *const *argv);
1310 void init (int argc, const char *const *argv, stringvec *envv);
1311 void init_env ();
1312 void set_locale (const char *locale);
1313 void init_xlocale ();
1314 void init_command (const char *const *argv);
1315 void run_command (const char *const *argv);
1316 int run_child (const char *const *argv);
1317 void color_aliases (int idx);
1318 void create_windows (int argc, const char *const *argv);
1319 void get_colours ();
1320 void get_ourmods ();
1321 void set_icon (const char *file);
1322 // main.C
1323 void tt_winch ();
1324 rxvt_term ();
1325 ~rxvt_term ();
1326 void destroy ();
1327 void emergency_cleanup ();
1328 void recolour_cursor ();
1329 void resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent);
1330 void window_calc (unsigned int newwidth, unsigned int newheight);
1331 bool set_fonts ();
1332 void set_string_property (Atom prop, const char *str, int len = -1);
1333 void set_mbstring_property (Atom prop, const char *str, int len = -1);
1334 void set_utf8_property (Atom prop, const char *str, int len = -1);
1335 void set_title (const char *str);
1336 void set_icon_name (const char *str);
1337 void set_window_color (int idx, const char *color);
1338 void set_colorfgbg ();
1339 bool set_color (rxvt_color &color, const char *name);
1340 void alias_color (int dst, int src);
1341 void set_widthheight (unsigned int newwidth, unsigned int newheight);
1342 void get_window_origin (int &x, int &y);
1343 Pixmap get_pixmap_property (Atom property);
1344
1345 // screen.C
1346
1347 void lalloc (line_t &l) const
1348 {
1349 l.t = (text_t *)talloc->alloc ();
1350 l.r = (rend_t *)ralloc->alloc ();
1351 }
1352
1353 #if 0
1354 void lfree (line_t &l)
1355 {
1356 talloc->free (l.t);
1357 ralloc->free (l.r);
1358 }
1359 #endif
1360
1361 void lresize (line_t &l) const
1362 {
1363 if (!l.t)
1364 return;
1365
1366 l.t = (text_t *)talloc->alloc (l.t, prev_ncol * sizeof (text_t));
1367 l.r = (rend_t *)ralloc->alloc (l.r, prev_ncol * sizeof (rend_t));
1368
1369 l.l = min (l.l, ncol);
1370
1371 if (ncol > prev_ncol)
1372 scr_blank_line (l, prev_ncol, ncol - prev_ncol, DEFAULT_RSTYLE);
1373 }
1374
1375 int fgcolor_of (rend_t r) const NOTHROW
1376 {
1377 int base = GET_BASEFG (r);
1378 #ifndef NO_BRIGHTCOLOR
1379 if (r & RS_Bold
1380 # if ENABLE_STYLES
1381 && option (Opt_intensityStyles)
1382 # endif
1383 && IN_RANGE_INC (base, minCOLOR, minBrightCOLOR))
1384 base += minBrightCOLOR - minCOLOR;
1385 #endif
1386 return base;
1387 }
1388
1389 int bgcolor_of (rend_t r) const NOTHROW
1390 {
1391 int base = GET_BASEBG (r);
1392 #ifndef NO_BRIGHTCOLOR
1393 if (r & RS_Blink
1394 # if ENABLE_STYLES
1395 && option (Opt_intensityStyles)
1396 # endif
1397 && IN_RANGE_INC (base, minCOLOR, minBrightCOLOR))
1398 base += minBrightCOLOR - minCOLOR;
1399 #endif
1400 return base;
1401 }
1402
1403 bool option (uint8_t opt) const NOTHROW
1404 {
1405 return options[opt >> 3] & (1 << (opt & 7));
1406 }
1407
1408 void set_option (uint8_t opt, bool set = true) NOTHROW;
1409
1410 void set_privmode (unsigned bit, int set) NOTHROW
1411 {
1412 if (set)
1413 priv_modes |= bit;
1414 else
1415 priv_modes &= ~bit;
1416 }
1417
1418 // modifies first argument(!)
1419 void tt_paste (char *data, unsigned int len) NOTHROW;
1420 void paste (char *data, unsigned int len) NOTHROW;
1421 void scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const NOTHROW;
1422 void scr_blank_screen_mem (line_t &l, rend_t efs) const NOTHROW;
1423 void scr_kill_char (line_t &l, int col) const NOTHROW;
1424 int scr_scroll_text (int row1, int row2, int count) NOTHROW;
1425 void scr_reset ();
1426 void scr_release () NOTHROW;
1427 void scr_clear (bool really = false) NOTHROW;
1428 void scr_refresh () NOTHROW;
1429 bool scr_refresh_rend (rend_t mask, rend_t value) NOTHROW;
1430 void scr_erase_screen (int mode) NOTHROW;
1431 #if ENABLE_FRILLS
1432 void scr_erase_savelines () NOTHROW;
1433 void scr_backindex () NOTHROW;
1434 void scr_forwardindex () NOTHROW;
1435 #endif
1436 void scr_touch (bool refresh) NOTHROW;
1437 void scr_expose (int x, int y, int width, int height, bool refresh) NOTHROW;
1438 void scr_recolour () NOTHROW;
1439 void scr_remap_chars () NOTHROW;
1440 void scr_remap_chars (line_t &l) NOTHROW;
1441
1442 enum cursor_mode { SAVE, RESTORE };
1443
1444 void scr_poweron ();
1445 void scr_soft_reset () NOTHROW;
1446 void scr_cursor (cursor_mode mode) NOTHROW;
1447 void scr_do_wrap () NOTHROW;
1448 void scr_swap_screen () NOTHROW;
1449 void scr_change_screen (int scrn);
1450 void scr_color (unsigned int color, int fgbg) NOTHROW;
1451 void scr_rendition (int set, int style) NOTHROW;
1452 void scr_add_lines (const wchar_t *str, int len, int minlines = 0) NOTHROW;
1453 void scr_backspace () NOTHROW;
1454 void scr_tab (int count, bool ht = false) NOTHROW;
1455 void scr_gotorc (int row, int col, int relative) NOTHROW;
1456 void scr_index (enum page_dirn direction) NOTHROW;
1457 void scr_erase_line (int mode) NOTHROW;
1458 void scr_E () NOTHROW;
1459 void scr_insdel_lines (int count, int insdel) NOTHROW;
1460 void scr_insdel_chars (int count, int insdel) NOTHROW;
1461 void scr_scroll_region (int top, int bot) NOTHROW;
1462 void scr_cursor_visible (int mode) NOTHROW;
1463 void scr_autowrap (int mode) NOTHROW;
1464 void scr_relative_origin (int mode) NOTHROW;
1465 void scr_insert_mode (int mode) NOTHROW;
1466 void scr_set_tab (int mode) NOTHROW;
1467 void scr_rvideo_mode (bool on) NOTHROW;
1468 void scr_report_position () NOTHROW;
1469 void set_font_style () NOTHROW;
1470 void scr_charset_choose (int set) NOTHROW;
1471 void scr_charset_set (int set, unsigned int ch) NOTHROW;
1472 void scr_move_to (int y, int len) NOTHROW;
1473 bool scr_page (enum page_dirn direction, int nlines) NOTHROW;
1474 bool scr_changeview (int new_view_start) NOTHROW;
1475 void scr_bell () NOTHROW;
1476 void scr_printscreen (int fullhist) NOTHROW;
1477 void scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) NOTHROW;
1478 void scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) NOTHROW;
1479 void scr_reverse_selection () NOTHROW;
1480 void scr_dump (int fd) NOTHROW;
1481
1482 void selection_check (int check_more) NOTHROW;
1483 void selection_paste (Window win, Atom prop, bool delete_prop) NOTHROW;
1484 void selection_property (Window win, Atom prop) NOTHROW;
1485 void selection_request (Time tm, int selnum = Sel_Primary) NOTHROW;
1486 int selection_request_other (Atom target, int selnum) NOTHROW;
1487 void selection_clear (bool clipboard = false) NOTHROW;
1488 void selection_make (Time tm);
1489 bool selection_grab (Time tm, bool clipboard = false) NOTHROW;
1490 void selection_start_colrow (int col, int row) NOTHROW;
1491 void selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW;
1492 void selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW;
1493 void selection_remove_trailing_spaces () NOTHROW;
1494 void selection_send (const XSelectionRequestEvent &rq) NOTHROW;
1495 void selection_click (int clicks, int x, int y) NOTHROW;
1496 void selection_extend (int x, int y, int flag) NOTHROW;
1497 void selection_rotate (int x, int y) NOTHROW;
1498
1499 // xdefaults.C
1500 void get_options (int argc, const char *const *argv);
1501 int parse_keysym (const char *str, const char *arg);
1502 const char *x_resource (const char *name);
1503 void extract_resources ();
1504 };
1505
1506 #endif /* _RXVT_H_ */
1507