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/cvs/rxvt-unicode/src/rxvt.h
Revision: 1.422
Committed: Thu Dec 16 23:03:50 2010 UTC (13 years, 5 months ago) by root
Content type: text/plain
Branch: MAIN
Changes since 1.421: +16 -0 lines
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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 extern "C" {
34 #include <X11/Xlib.h>
35 #include <X11/Xutil.h>
36 #include <X11/Xresource.h>
37 }
38
39 #if UNICODE_3
40 typedef uint32_t text_t;
41 #else
42 typedef uint16_t text_t; // saves lots of memory
43 #endif
44 typedef uint32_t rend_t;
45 typedef int32_t tlen_t; // was int16_t, but this results in smaller code and memory use
46 typedef int32_t tlen_t_; // specifically for use in the line_t structure
47
48 #include "feature.h"
49
50 #if defined (ISO_14755) || defined (ENABLE_PERL)
51 # define ENABLE_OVERLAY 1
52 #endif
53
54 #if ENABLE_PERL
55 # define ENABLE_FRILLS 1
56 # define ENABLE_COMBINING 1
57 #endif
58
59 #if ENABLE_FRILLS
60 # define ENABLE_XEMBED 1
61 # define ENABLE_EWMH 1
62 # define ENABLE_XIM_ONTHESPOT 1
63 # define CURSOR_BLINK 1
64 # define OPTION_HC 1
65 # define BUILTIN_GLYPHS 1
66 #else
67 # define ENABLE_MINIMAL 1
68 #endif
69
70 #include <limits.h>
71
72 #include <X11/cursorfont.h>
73 #include <X11/keysym.h>
74 #include <X11/keysymdef.h>
75 #include <X11/Xatom.h>
76
77 #include "encoding.h"
78 #include "rxvtutil.h"
79 #include "rxvtfont.h"
80 #include "rxvttoolkit.h"
81 #include "scrollbar.h"
82 #include "ev_cpp.h"
83 #include "salloc.h"
84 #include "libptytty.h"
85
86 #include "rxvtperl.h"
87
88 // try to avoid some macros to decrease code size, on some systems
89 #if ENABLE_MINIMAL
90 # define strcmp(a,b) (strcmp)(a,b)
91 # define strlen(a) (strlen)(a)
92 # define strcpy(a,b) (strcpy)(a,b)
93 # define memset(a,c,l) (memset)(a,c,l)
94 # define memcpy(a,b,l) (memcpy)(a,b,l)
95 #endif
96
97 /*
98 *****************************************************************************
99 * SYSTEM HACKS
100 *****************************************************************************
101 */
102
103 #ifndef HAVE_XPOINTER
104 typedef char *XPointer;
105 #endif
106
107 #include <termios.h>
108
109 #include "background.h"
110
111 #ifndef STDIN_FILENO
112 # define STDIN_FILENO 0
113 # define STDOUT_FILENO 1
114 # define STDERR_FILENO 2
115 #endif
116
117 #ifndef EXIT_SUCCESS /* missing from <stdlib.h> */
118 # define EXIT_SUCCESS 0 /* exit function success */
119 # define EXIT_FAILURE 1 /* exit function failure */
120 #endif
121
122 #ifndef PATH_MAX
123 # define PATH_MAX 16384
124 #endif
125
126 /****************************************************************************/
127
128 // exception thrown on fatal (per-instance) errors
129 class rxvt_failure_exception { };
130
131 // exception thrown when the command parser runs out of input data
132 class out_of_input { };
133
134 /*
135 *****************************************************************************
136 * PROTOTYPES
137 *****************************************************************************
138 */
139 // main.C
140 #define SET_LOCALE(locale) rxvt_set_locale (locale)
141 extern bool rxvt_set_locale (const char *locale) NOTHROW;
142 extern void rxvt_push_locale (const char *locale) NOTHROW;
143 extern void rxvt_pop_locale () NOTHROW;
144 void rxvt_init ();
145
146 // misc.C
147 char * rxvt_wcstombs (const wchar_t *str, int len = -1);
148 wchar_t * rxvt_mbstowcs (const char *str, int len = -1);
149 char * rxvt_wcstoutf8 (const wchar_t *str, int len = -1);
150 wchar_t * rxvt_utf8towcs (const char *str, int len = -1);
151
152 const char * rxvt_basename (const char *str) NOTHROW;
153 void rxvt_vlog (const char *fmt, va_list arg_ptr) NOTHROW;
154 void rxvt_log (const char *fmt,...) NOTHROW;
155 void rxvt_warn (const char *fmt,...) NOTHROW;
156 void rxvt_fatal (const char *fmt, ...) THROW ((class rxvt_failure_exception)) NORETURN;
157 void rxvt_exit_failure () THROW ((class rxvt_failure_exception)) NORETURN;
158
159 char * rxvt_strtrim (char *str) NOTHROW;
160 char ** rxvt_splitcommastring (const char *cs) NOTHROW;
161 void rxvt_freecommastring (char **cs) NOTHROW;
162
163 void * rxvt_malloc (size_t size);
164 void * rxvt_calloc (size_t number, size_t size);
165 void * rxvt_realloc (void *ptr, size_t size);
166
167 /////////////////////////////////////////////////////////////////////////////
168
169 // temporarily replace the process environment
170 extern char **environ;
171 extern char **rxvt_environ; // the original environ pointer
172
173 static inline void
174 set_environ (stringvec *envv)
175 {
176 #if ENABLE_PERL
177 assert (envv);
178 #else
179 if (envv)
180 #endif
181 environ = (char **)envv->begin ();
182 }
183
184 static inline void
185 set_environ (char **envv)
186 {
187 #if ENABLE_PERL
188 assert (envv);
189 #else
190 if (envv)
191 #endif
192 environ = envv;
193 }
194
195 struct localise_env
196 {
197 char **orig_env;
198
199 localise_env (char **new_env)
200 {
201 orig_env = environ;
202 environ = new_env;
203 }
204
205 ~localise_env ()
206 {
207 environ = orig_env;
208 }
209 };
210
211 /*
212 *****************************************************************************
213 * STRUCTURES AND TYPEDEFS
214 *****************************************************************************
215 */
216
217 /*
218 * the 'essential' information for reporting Mouse Events
219 * pared down from XButtonEvent
220 */
221 struct mouse_event
222 {
223 int clicks;
224 Time time; /* milliseconds */
225 unsigned int state; /* key or button mask */
226 unsigned int button; /* detail */
227 };
228
229 #if ENABLE_XEMBED
230 // XEMBED messages
231 # define XEMBED_EMBEDDED_NOTIFY 0
232 # define XEMBED_WINDOW_ACTIVATE 1
233 # define XEMBED_WINDOW_DEACTIVATE 2
234 # define XEMBED_REQUEST_FOCUS 3
235 # define XEMBED_FOCUS_IN 4
236 # define XEMBED_FOCUS_OUT 5
237 # define XEMBED_FOCUS_NEXT 6
238 # define XEMBED_FOCUS_PREV 7
239
240 # define XEMBED_MODALITY_ON 10
241 # define XEMBED_MODALITY_OFF 11
242 # define XEMBED_REGISTER_ACCELERATOR 12
243 # define XEMBED_UNREGISTER_ACCELERATOR 13
244 # define XEMBED_ACTIVATE_ACCELERATOR 14
245
246 // XEMBED detail code
247 # define XEMBED_FOCUS_CURRENT 0
248 # define XEMBED_FOCUS_FIRST 1
249 # define XEMBED_FOCUS_LAST 2
250
251 # define XEMBED_MAPPED (1 << 0)
252 #endif
253
254 /*
255 *****************************************************************************
256 * NORMAL DEFINES
257 *****************************************************************************
258 */
259
260 /* COLORTERM, TERM environment variables */
261 #define COLORTERMENV "rxvt"
262 #ifdef BG_IMAGE_FROM_FILE
263 # define COLORTERMENVFULL COLORTERMENV "-xpm"
264 #else
265 # define COLORTERMENVFULL COLORTERMENV
266 #endif
267 #ifndef TERMENV
268 # if USE_256_COLORS
269 # define TERMENV "rxvt-unicode-256color"
270 # else
271 # define TERMENV "rxvt-unicode"
272 # endif
273 #endif
274
275 #if defined (NO_MOUSE_REPORT) && !defined (NO_MOUSE_REPORT_SCROLLBAR)
276 # define NO_MOUSE_REPORT_SCROLLBAR 1
277 #endif
278
279 #define scrollBar_esc 30
280
281 #if !defined (RXVT_SCROLLBAR) && !defined (NEXT_SCROLLBAR)
282 # define NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING 1
283 #endif
284
285 enum {
286 NO_REFRESH = 0, /* Window not visible at all! */
287 FAST_REFRESH = 1, /* Fully exposed window */
288 SLOW_REFRESH = 2, /* Partially exposed window */
289 };
290
291 #ifdef NO_SECONDARY_SCREEN
292 # define NSCREENS 0
293 #else
294 # define NSCREENS 1
295 #endif
296
297 /* special (internal) prefix for font commands */
298 #define FONT_CMD '#'
299 #define FONT_DN "#-"
300 #define FONT_UP "#+"
301
302 /* flags for rxvt_scr_gotorc () */
303 enum {
304 C_RELATIVE = 1, /* col movement is relative */
305 R_RELATIVE = 2, /* row movement is relative */
306 RELATIVE = C_RELATIVE | R_RELATIVE,
307 };
308
309 /* modes for rxvt_scr_insdel_chars (), rxvt_scr_insdel_lines () */
310 enum {
311 INSERT = -1, /* don't change these values */
312 DELETE = +1,
313 ERASE = +2,
314 };
315
316 /* modes for rxvt_scr_page () - scroll page. used by scrollbar window */
317 enum page_dirn {
318 UP,
319 DN,
320 NO_DIR,
321 };
322
323 /* arguments for rxvt_scr_change_screen () */
324 enum {
325 PRIMARY = 0,
326 SECONDARY,
327 };
328
329 // define various rendition bits and masks. the rendition word
330 // is 32 bits in size, and we should use it as efficiently as possible
331
332 #define RS_None 0
333
334 // GET_BGATTR depends on RS_fgShift > RS_bgShift
335 #define RS_colorMask ((1UL << Color_Bits) - 1UL)
336 #define RS_bgShift 0
337 #define RS_fgShift (RS_bgShift + Color_Bits)
338 #define RS_bgMask (RS_colorMask << RS_bgShift)
339 #define RS_fgMask (RS_colorMask << RS_fgShift)
340
341 // must have space for rxvt_fontset::fontCount * 2 + 2 values
342 #define RS_fontShift (RS_fgShift + Color_Bits)
343 #define RS_Careful (1UL << RS_fontShift) /* be careful when drawing these */
344 #define RS_fontCount rxvt_fontset::fontCount
345 #define RS_fontMask ((RS_fontCount << (RS_fontShift + 1)) | RS_Careful) // includes RS_Careful
346
347 // toggle this to force redraw, must be != RS_Careful and otherwise "pretty neutral"
348 #define RS_redraw (2UL << RS_fontShift)
349
350 #define RS_Sel (1UL << 22)
351
352 // 4 custom bits for extensions
353 #define RS_customCount 16UL
354 #define RS_customShift 23
355 #define RS_customMask ((RS_customCount - 1UL) << RS_customShift)
356
357 // font styles
358 #define RS_Bold (1UL << RS_styleShift)
359 #define RS_Italic (2UL << RS_styleShift)
360
361 #define RS_styleCount 4
362 #define RS_styleShift 27
363 #define RS_styleMask (RS_Bold | RS_Italic)
364
365 // fake styles
366 #define RS_Blink (1UL << 29)
367 #define RS_RVid (1UL << 30) // reverse video
368 #define RS_Uline (1UL << 31) // underline
369
370 #define RS_baseattrMask (RS_Italic | RS_Bold | RS_Blink | RS_RVid | RS_Uline)
371 #define RS_attrMask (RS_baseattrMask | RS_fontMask)
372
373 #define DEFAULT_RSTYLE (RS_None | (Color_fg << RS_fgShift) | (Color_bg << RS_bgShift))
374 #define OVERLAY_RSTYLE (RS_None | (Color_Black << RS_fgShift) | (Color_Yellow << RS_bgShift))
375
376 #define Sel_none 0 /* Not waiting */
377 #define Sel_normal 0x01 /* normal selection */
378 #define Sel_incr 0x02 /* incremental selection */
379 #define Sel_direct 0x00
380 #define Sel_Primary 0x01
381 #define Sel_Secondary 0x02
382 #define Sel_Clipboard 0x03
383 #define Sel_whereMask 0x0f
384 #define Sel_CompoundText 0x10 /* last request was COMPOUND_TEXT */
385 #define Sel_UTF8String 0x20 /* last request was UTF8_STRING */
386
387 enum {
388 C0_NUL = 0x00,
389 C0_SOH, C0_STX, C0_ETX, C0_EOT, C0_ENQ, C0_ACK, C0_BEL,
390 C0_BS , C0_HT , C0_LF , C0_VT , C0_FF , C0_CR , C0_SO , C0_SI ,
391 C0_DLE, C0_DC1, C0_DC2, D0_DC3, C0_DC4, C0_NAK, C0_SYN, C0_ETB,
392 C0_CAN, C0_EM , C0_SUB, C0_ESC, C0_IS4, C0_IS3, C0_IS2, C0_IS1,
393 };
394 #define CHAR_ST 0x9c /* 0234 */
395
396 /*
397 * XTerm Operating System Commands: ESC ] Ps;Pt (ST|BEL)
398 * colour extensions by Christian W. Zuckschwerdt <zany@triq.net>
399 */
400 enum {
401 XTerm_name = 0,
402 XTerm_iconName = 1,
403 XTerm_title = 2,
404 XTerm_property = 3, // change X property
405 XTerm_Color = 4, // change colors
406 XTerm_Color00 = 10, // change fg color
407 XTerm_Color01 = 11, // change bg color
408 XTerm_Color_cursor = 12, // change actual 'Cursor' color
409 XTerm_Color_pointer_fg = 13, // change actual 'Pointer' fg color
410 XTerm_Color_pointer_bg = 14, // change actual 'Pointer' bg color
411 XTerm_Color05 = 15, // not implemented (tektronix fg)
412 XTerm_Color06 = 16, // not implemented (tektronix bg)
413 XTerm_Color_HC = 17, // change actual 'Highlight' bg color
414 XTerm_Color_HTC = 19, // change actual 'Highlight' fg color
415 XTerm_logfile = 46, // not implemented
416 XTerm_font = 50,
417
418 XTerm_konsole30 = 30, // reserved for konsole
419 XTerm_konsole31 = 31, // reserved for konsole
420 XTerm_emacs51 = 51, // reserved for emacs shell
421 /*
422 * rxvt extensions of XTerm OSCs: ESC ] Ps;Pt (ST|BEL)
423 */
424
425 // deprecated
426 Rxvt_restoreFG = 39,
427 Rxvt_restoreBG = 49,
428
429 Rxvt_Pixmap = 20, // new bg pixmap
430 Rxvt_dumpscreen = 55, // dump scrollback and all of screen
431
432 URxvt_locale = 701, // change locale
433 URxvt_version = 702, // request version
434
435 URxvt_Color_IT = 704, // change actual 'Italic' colour
436 URxvt_Color_tint = 705, // change actual tint colour
437 URxvt_Color_BD = 706, // change actual 'Bold' color
438 URxvt_Color_UL = 707, // change actual 'Underline' color
439 URxvt_Color_border = 708,
440
441 URxvt_font = 710,
442 URxvt_boldFont = 711,
443 URxvt_italicFont = 712,
444 URxvt_boldItalicFont = 713,
445
446 URxvt_view_up = 720,
447 URxvt_view_down = 721,
448
449 URxvt_perl = 777, // for use by perl extensions, starts with "extension-name;"
450 };
451
452 /* Words starting with `Color_' are colours. Others are counts */
453 /*
454 * The PixColor and rendition colour usage should probably be decoupled
455 * on the unnecessary items, e.g. Color_pointer, but won't bother
456 * until we need to. Also, be aware of usage in pixcolor_set
457 */
458
459 enum colour_list {
460 Color_none = -2,
461 Color_transparent = -1,
462 Color_fg = 0,
463 Color_bg,
464 minCOLOR, /* 2 */
465 Color_Black = minCOLOR,
466 Color_Red3,
467 Color_Green3,
468 Color_Yellow3,
469 Color_Blue3,
470 Color_Magenta3,
471 Color_Cyan3,
472 maxCOLOR, /* minCOLOR + 7 */
473 #ifndef NO_BRIGHTCOLOR
474 Color_AntiqueWhite = maxCOLOR,
475 minBrightCOLOR, /* maxCOLOR + 1 */
476 Color_Grey25 = minBrightCOLOR,
477 Color_Red,
478 Color_Green,
479 Color_Yellow,
480 Color_Blue,
481 Color_Magenta,
482 Color_Cyan,
483 maxBrightCOLOR, /* minBrightCOLOR + 7 */
484 Color_White = maxBrightCOLOR,
485 #else
486 Color_White = maxCOLOR,
487 #endif
488 minTermCOLOR = Color_White + 1,
489 #if USE_256_COLORS
490 maxTermCOLOR = Color_White + 240,
491 #else
492 maxTermCOLOR = Color_White + 72,
493 #endif
494 #ifndef NO_CURSORCOLOR
495 Color_cursor,
496 Color_cursor2,
497 #endif
498 Color_pointer_fg,
499 Color_pointer_bg,
500 Color_border,
501 #ifndef NO_BOLD_UNDERLINE_REVERSE
502 Color_BD,
503 Color_IT,
504 Color_UL,
505 Color_RV,
506 #endif
507 #if ENABLE_FRILLS
508 Color_underline,
509 #endif
510 #ifdef OPTION_HC
511 Color_HC,
512 Color_HTC,
513 #endif
514 Color_scroll,
515 #ifdef RXVT_SCROLLBAR
516 Color_trough,
517 #endif
518 #if ENABLE_TRANSPARENCY
519 Color_tint,
520 #endif
521 #if OFF_FOCUS_FADING
522 Color_fade,
523 #endif
524 NRS_COLORS, /* */
525 #ifdef RXVT_SCROLLBAR
526 Color_topShadow = NRS_COLORS,
527 Color_bottomShadow,
528 TOTAL_COLORS
529 #else
530 TOTAL_COLORS = NRS_COLORS
531 #endif
532 };
533
534 #if USE_256_COLORS
535 # define Color_Bits 9 // 0 .. maxTermCOLOR
536 #else
537 # define Color_Bits 7 // 0 .. maxTermCOLOR
538 #endif
539
540 /*
541 * Resource list
542 */
543 enum {
544 # define def(name) Rs_ ## name,
545 # define reserve(name,count) Rs_ ## name ## _ = Rs_ ## name + (count) - 1,
546 # include "rsinc.h"
547 # undef def
548 # undef reserve
549 NUM_RESOURCES
550 };
551
552 /* DEC private modes */
553 #define PrivMode_132 (1UL<<0)
554 #define PrivMode_132OK (1UL<<1)
555 #define PrivMode_rVideo (1UL<<2)
556 #define PrivMode_relOrigin (1UL<<3)
557 #define PrivMode_Screen (1UL<<4)
558 #define PrivMode_Autowrap (1UL<<5)
559 #define PrivMode_aplCUR (1UL<<6)
560 #define PrivMode_aplKP (1UL<<7)
561 #define PrivMode_HaveBackSpace (1UL<<8)
562 #define PrivMode_BackSpace (1UL<<9)
563 #define PrivMode_ShiftKeys (1UL<<10)
564 #define PrivMode_VisibleCursor (1UL<<11)
565 #define PrivMode_MouseX10 (1UL<<12)
566 #define PrivMode_MouseX11 (1UL<<13)
567 #define PrivMode_scrollBar (1UL<<14)
568 #define PrivMode_TtyOutputInh (1UL<<15)
569 #define PrivMode_Keypress (1UL<<16)
570 #define PrivMode_smoothScroll (1UL<<17)
571 #define PrivMode_vt52 (1UL<<18)
572 #define PrivMode_LFNL (1UL<<19)
573 #define PrivMode_MouseBtnEvent (1UL<<20)
574 #define PrivMode_MouseAnyEvent (1UL<<21)
575 #define PrivMode_BracketPaste (1UL<<22)
576 #define PrivMode_ExtModeMouse (1UL<<23) // xterm pseudo-utf-8 hack
577 #define PrivMode_ExtMouseRight (1UL<<24) // xterm pseudo-utf-8, but works in non-utf-8-locales
578
579 #define PrivMode_mouse_report (PrivMode_MouseX10|PrivMode_MouseX11|PrivMode_MouseBtnEvent|PrivMode_MouseAnyEvent)
580
581 #ifdef ALLOW_132_MODE
582 # define PrivMode_Default (PrivMode_Autowrap|PrivMode_ShiftKeys|PrivMode_VisibleCursor|PrivMode_132OK)
583 #else
584 # define PrivMode_Default (PrivMode_Autowrap|PrivMode_ShiftKeys|PrivMode_VisibleCursor)
585 #endif
586
587 // do not change these constants lightly, there are many interdependencies
588 #define IMBUFSIZ 128 // input modifier buffer sizes
589 #define KBUFSZ 512 // size of keyboard mapping buffer
590 #define CBUFSIZ 2048 // size of command buffer
591 #define CBUFCNT 8 // never call pty_fill/cmd_parse more than this often in a row
592 #define UBUFSIZ 2048 // character buffer
593
594 #if ENABLE_FRILLS
595 # include <X11/Xmd.h>
596 typedef struct _mwmhints
597 {
598 CARD32 flags;
599 CARD32 functions;
600 CARD32 decorations;
601 INT32 input_mode;
602 CARD32 status;
603 } MWMHints;
604 #endif
605
606 /* Motif window hints */
607 #define MWM_HINTS_FUNCTIONS (1L << 0)
608 #define MWM_HINTS_DECORATIONS (1L << 1)
609 #define MWM_HINTS_INPUT_MODE (1L << 2)
610 #define MWM_HINTS_STATUS (1L << 3)
611 /* bit definitions for MwmHints.functions */
612 #define MWM_FUNC_ALL (1L << 0)
613 #define MWM_FUNC_RESIZE (1L << 1)
614 #define MWM_FUNC_MOVE (1L << 2)
615 #define MWM_FUNC_MINIMIZE (1L << 3)
616 #define MWM_FUNC_MAXIMIZE (1L << 4)
617 #define MWM_FUNC_CLOSE (1L << 5)
618 /* bit definitions for MwmHints.decorations */
619 #define MWM_DECOR_ALL (1L << 0)
620 #define MWM_DECOR_BORDER (1L << 1)
621 #define MWM_DECOR_RESIZEH (1L << 2)
622 #define MWM_DECOR_TITLE (1L << 3)
623 #define MWM_DECOR_MENU (1L << 4)
624 #define MWM_DECOR_MINIMIZE (1L << 5)
625 #define MWM_DECOR_MAXIMIZE (1L << 6)
626 /* bit definitions for MwmHints.inputMode */
627 #define MWM_INPUT_MODELESS 0
628 #define MWM_INPUT_PRIMARY_APPLICATION_MODAL 1
629 #define MWM_INPUT_SYSTEM_MODAL 2
630 #define MWM_INPUT_FULL_APPLICATION_MODAL 3
631 #define PROP_MWM_HINTS_ELEMENTS 5
632
633 /*
634 *****************************************************************************
635 * MACRO DEFINES
636 *****************************************************************************
637 */
638
639 // speed hack, copy some member variable into a local variable of the same name
640 #define dLocal(type,name) type const name = this->name
641
642 // for speed reasons, we assume that all codepoints 32 to 126 are
643 // single-width.
644 #define WCWIDTH(c) (IN_RANGE_INC (c, 0x20, 0x7e) ? 1 : wcwidth (c))
645
646 /* convert pixel dimensions to row/column values. Everything as int32_t */
647 #define Pixel2Col(x) Pixel2Width((int32_t)(x))
648 #define Pixel2Row(y) Pixel2Height((int32_t)(y))
649 #define Pixel2Width(x) ((int32_t)(x) / (int32_t)fwidth)
650 #define Pixel2Height(y) ((int32_t)(y) / (int32_t)fheight)
651 #define Col2Pixel(col) ((int32_t)Width2Pixel(col))
652 #define Row2Pixel(row) ((int32_t)Height2Pixel(row))
653 #define Width2Pixel(n) ((int32_t)(n) * (int32_t)fwidth)
654 #define Height2Pixel(n) ((int32_t)(n) * (int32_t)fheight)
655
656 #define LINENO_of(t,n) MOD ((t)->term_start + int(n), (t)->total_rows)
657 #define ROW_of(t,n) (t)->row_buf [LINENO_of ((t), n)]
658
659 #define LINENO(n) LINENO_of (this, n)
660 #define ROW(n) ROW_of (this, n)
661
662 /* how to build & extract colors and attributes */
663 #define GET_BASEFG(x) (((x) & RS_fgMask) >> RS_fgShift)
664 #define GET_BASEBG(x) (((x) & RS_bgMask) >> RS_bgShift)
665
666 #define GET_FONT(x) (((x) & RS_fontMask) >> RS_fontShift)
667 #define SET_FONT(x,fid) (((x) & ~RS_fontMask) | ((fid) << RS_fontShift))
668
669 #define GET_STYLE(x) (((x) & RS_styleMask) >> RS_styleShift)
670 #define SET_STYLE(x,style) (((x) & ~RS_styleMask) | ((style) << RS_styleShift))
671
672 #define GET_ATTR(x) (((x) & RS_attrMask))
673 // return attributes defining the background, encoding doesn't matter
674 // depends on RS_fgShift > RS_bgShift
675 #define GET_BGATTR(x) \
676 (expect_false ((x) & RS_RVid) \
677 ? (((x) & (RS_attrMask & ~RS_RVid)) \
678 | (((x) & RS_fgMask) >> (RS_fgShift - RS_bgShift))) \
679 : ((x) & (RS_attrMask | RS_bgMask)))
680 #define SET_FGCOLOR(x,fg) (((x) & ~RS_fgMask) | ((fg) << RS_fgShift))
681 #define SET_BGCOLOR(x,bg) (((x) & ~RS_bgMask) | ((bg) << RS_bgShift))
682 #define SET_ATTR(x,a) (((x) & ~RS_attrMask) | (a))
683
684 #define RS_SAME(a,b) (!(((a) ^ (b)) & ~RS_Careful))
685
686 #define PIXCOLOR_NAME(idx) rs[Rs_color + (idx)]
687 #define ISSET_PIXCOLOR(idx) (!!rs[Rs_color + (idx)])
688
689 #if ENABLE_STYLES
690 # define FONTSET_of(t,style) (t)->fontset[GET_STYLE (style)]
691 #else
692 # define FONTSET_of(t,style) (t)->fontset[0]
693 #endif
694
695 #define FONTSET(style) FONTSET_of (this, style)
696
697 typedef callback<void (const char *)> log_callback;
698 typedef callback<int (int)> getfd_callback;
699
700 /****************************************************************************/
701
702 #define LINE_LONGER 0x0001 // line is continued on the next row
703 #define LINE_FILTERED 0x0002 // line has been filtered
704 #define LINE_COMPRESSED 0x0004 // line has been compressed (NYI)
705 #define LINE_FILTER 0x0008 // line needs to be filtered before display (NYI)
706 #define LINE_BIDI 0x0010 // line needs bidi (NYI)
707
708 struct line_t
709 {
710 text_t *t; // terminal the text
711 rend_t *r; // rendition, uses RS_ flags
712 tlen_t_ l; // length of each text line
713 uint32_t f; // flags
714
715 bool is_longer ()
716 {
717 return f & LINE_LONGER;
718 }
719
720 void is_longer (int set)
721 {
722 if (set)
723 f |= LINE_LONGER;
724 else
725 f &= ~LINE_LONGER;
726 }
727
728 void clear ()
729 {
730 t = 0;
731 r = 0;
732 l = 0;
733 f = 0;
734 }
735
736 void touch () // call whenever a line is changed/touched/updated
737 {
738 #if ENABLE_PERL
739 f &= ~LINE_FILTERED;
740 #endif
741 }
742
743 void touch (int col)
744 {
745 max_it (l, col);
746 touch ();
747 }
748 };
749
750 /****************************************************************************/
751
752 // primitive wrapper around mbstate_t to ensure initialisation
753 struct mbstate
754 {
755 mbstate_t mbs;
756
757 operator mbstate_t *() { return &mbs; }
758 void reset () { memset (&mbs, 0, sizeof (mbs)); }
759 mbstate () { reset (); }
760 };
761
762 /****************************************************************************/
763
764 #define UNICODE_MASK 0x1fffffUL
765
766 #if UNICODE_3
767 # define COMPOSE_LO 0x40000000UL
768 # define COMPOSE_HI 0x400fffffUL
769 # define IS_COMPOSE(n) ((int32_t)(n) >= COMPOSE_LO)
770 #else
771 # if ENABLE_PERL
772 # define COMPOSE_LO 0xe000UL // our _own_ functions don't like (illegal) surrogates
773 # define COMPOSE_HI 0xf8ffUL // in utf-8, so use private use area only
774 # else
775 # define COMPOSE_LO 0xd800UL
776 # define COMPOSE_HI 0xf8ffUL
777 # endif
778 # define IS_COMPOSE(n) IN_RANGE_INC ((n), COMPOSE_LO, COMPOSE_HI)
779 #endif
780
781 #if ENABLE_COMBINING
782 // compose chars are used to represent composite characters
783 // that are not representable in unicode, as well as characters
784 // not fitting in the BMP.
785 struct compose_char
786 {
787 unicode_t c1, c2; // any chars != NOCHAR are valid
788 compose_char (unicode_t c1, unicode_t c2)
789 : c1(c1), c2(c2)
790 { }
791 };
792
793 class rxvt_composite_vec
794 {
795 vector<compose_char> v;
796 public:
797 text_t compose (unicode_t c1, unicode_t c2 = NOCHAR);
798 int expand (unicode_t c, wchar_t *r);
799 compose_char *operator [](text_t c)
800 {
801 return c >= COMPOSE_LO && c < COMPOSE_LO + v.size ()
802 ? &v[c - COMPOSE_LO]
803 : 0;
804 }
805 };
806
807 extern class rxvt_composite_vec rxvt_composite;
808 #endif
809
810 /****************************************************************************/
811
812 #ifdef KEYSYM_RESOURCE
813 class keyboard_manager;
814 #endif
815
816 typedef struct rxvt_term *rxvt_t;
817
818 extern rxvt_t rxvt_current_term;
819
820 #define SET_R(r) rxvt_current_term = const_cast<rxvt_term *>(r)
821 #define GET_R rxvt_current_term
822
823 /* ------------------------------------------------------------------------- */
824 struct overlay_base
825 {
826 int x, y, w, h; // overlay dimensions
827 text_t **text;
828 rend_t **rend;
829
830 // while tempting to add swap() etc. here, it effectively only increases code size
831 };
832
833 /* ------------------------------------------------------------------------- */
834
835 typedef struct
836 {
837 int row;
838 int col;
839 } row_col_t;
840
841 /*
842 * terminal limits:
843 *
844 * width : 1 <= width
845 * height : 1 <= height
846 * ncol : 1 <= ncol <= MAX(tlen_t)
847 * nrow : 1 <= nrow <= MAX(int)
848 * saveLines : 0 <= saveLines <= MAX(int)
849 * term_start : 0 <= term_start < saveLines
850 * total_rows : nrow + saveLines
851 *
852 * top_row : -saveLines <= top_row <= 0
853 * view_start : top_row <= view_start <= 0
854 *
855 * | most coordinates are stored relative to term_start,
856 * ROW_BUF | which is the first line of the terminal screen
857 * |························= row_buf[0]
858 * |························= row_buf[1]
859 * |························= row_buf[2] etc.
860 * |
861 * +------------+···········= term_start + top_row
862 * | scrollback |
863 * | scrollback +---------+·= term_start + view_start
864 * | scrollback | display |
865 * | scrollback | display |
866 * +------------+·display·+·= term_start
867 * | terminal | display |
868 * | terminal +---------+
869 * | terminal |
870 * | terminal |
871 * +------------+···········= term_start + nrow - 1
872 * |
873 * |
874 * END······················= total_rows
875 */
876
877 struct TermWin_t
878 {
879 int width; /* window width [pixels] */
880 int height; /* window height [pixels] */
881 int fwidth; /* font width [pixels] */
882 int fheight; /* font height [pixels] */
883 int fbase; /* font ascent (baseline) [pixels] */
884 int ncol; /* window columns [characters] */
885 int nrow; /* window rows [characters] */
886 int focus; /* window has focus */
887 int mapped; /* window state mapped? */
888 int int_bwidth; /* internal border width */
889 int ext_bwidth; /* external border width */
890 int lineSpace; /* number of extra pixels between rows */
891 int letterSpace; /* number of extra pixels between columns */
892 int saveLines; /* number of lines that fit in scrollback */
893 int total_rows; /* total number of rows in this terminal */
894 int term_start; /* term lines start here */
895 int view_start; /* scrollback view starts here */
896 int top_row; /* topmost row index of scrollback */
897 Window parent[6]; /* parent identifiers - we're parent[0] */
898 Window vt; /* vt100 window */
899 GC gc; /* GC for drawing */
900 Pixmap pixmap;
901 rxvt_drawable *drawable;
902 rxvt_fontset *fontset[4];
903 };
904
905 /*
906 * screen accounting:
907 * screen_t elements
908 * row: Cursor row position : 0 <= row < nrow
909 * col: Cursor column position : 0 <= col < ncol
910 * tscroll: Scrolling region top row inclusive : 0 <= row < nrow
911 * bscroll: Scrolling region bottom row inclusive : 0 <= row < nrow
912 *
913 * selection_t elements
914 * clicks: 1, 2 or 3 clicks - 4 indicates a special condition of 1 where
915 * nothing is selected
916 * beg: row/column of beginning of selection : never past mark
917 * mark: row/column of initial click : never past end
918 * end: row/column of one character past end of selection
919 * * Note: top_row <= beg.row <= mark.row <= end.row < nrow
920 * * Note: col == -1 ==> we're left of screen
921 *
922 */
923 struct screen_t
924 {
925 row_col_t cur; /* cursor position on the screen */
926 int tscroll; /* top of settable scroll region */
927 int bscroll; /* bottom of settable scroll region */
928 unsigned int charset; /* character set number [0..3] */
929 unsigned int flags; /* see below */
930 row_col_t s_cur; /* saved cursor position */
931 unsigned int s_charset; /* saved character set number [0..3] */
932 char s_charset_char;
933 rend_t s_rstyle; /* saved rendition style */
934 };
935
936 enum selection_op_t
937 {
938 SELECTION_CLEAR = 0, /* nothing selected */
939 SELECTION_INIT, /* marked a point */
940 SELECTION_BEGIN, /* started a selection */
941 SELECTION_CONT, /* continued selection */
942 SELECTION_DONE /* selection put in CUT_BUFFER0 */
943 };
944
945 struct selection_t
946 {
947 wchar_t *text; /* selected text */
948 unsigned int len; /* length of selected text */
949 unsigned int screen; /* screen being used */
950 unsigned int clicks; /* number of clicks */
951 selection_op_t op; /* current operation */
952 bool rect; /* rectangular selection? */
953 row_col_t beg; /* beginning of selection <= mark */
954 row_col_t mark; /* point of initial click <= end */
955 row_col_t end; /* one character past end point */
956 wchar_t *clip_text; /* text copied to the clipboard */
957 unsigned int clip_len; /* length of clipboard text */
958 };
959
960 /* ------------------------------------------------------------------------- */
961
962 /* screen_t flags */
963 #define Screen_Relative (1<<0) /* relative origin mode flag */
964 #define Screen_VisibleCursor (1<<1) /* cursor visible? */
965 #define Screen_Autowrap (1<<2) /* auto-wrap flag */
966 #define Screen_Insert (1<<3) /* insert mode (vs. overstrike) */
967 #define Screen_WrapNext (1<<4) /* need to wrap for next char? */
968 #define Screen_DefaultFlags (Screen_VisibleCursor | Screen_Autowrap)
969
970 /* rxvt_vars.options */
971 enum {
972 # define def(name) Opt_ ## name,
973 # define nodef(name) Opt_prev_ ## name, Opt_ ## name = 0, Opt_next_ ## name = Opt_prev_ ## name - 1,
974 Opt_0,
975 # include "optinc.h"
976 # undef nodef
977 # undef def
978 Opt_count
979 };
980
981 /* ------------------------------------------------------------------------- */
982
983 struct rxvt_vars : TermWin_t
984 {
985 scrollBar_t scrollBar;
986 uint8_t options[(Opt_count + 7) >> 3];
987 XSizeHints szHint;
988 rxvt_color *pix_colors;
989 Cursor TermWin_cursor; /* cursor for vt window */
990 line_t *row_buf; // all lines, scrollback + terminal, circular, followed by temp_buf
991 line_t *drawn_buf; // text on screen
992 line_t *swap_buf; // lines for swap buffer
993 char *tabs; /* per location: 1 == tab-stop */
994 screen_t screen;
995 screen_t swap;
996 selection_t selection;
997 rxvt_color pix_colors_focused[TOTAL_COLORS];
998 #ifdef OFF_FOCUS_FADING
999 rxvt_color pix_colors_unfocused[TOTAL_COLORS];
1000 #endif
1001 };
1002
1003 struct rxvt_term : zero_initialized, rxvt_vars, rxvt_screen
1004 {
1005
1006 // special markers with magic addresses
1007 static const char resval_undef []; // options specifically unset
1008 static const char resval_on []; // boolean options switched on
1009 static const char resval_off []; // or off
1010
1011 log_callback *log_hook; // log error messages through this hook, if != 0
1012 getfd_callback *getfd_hook; // convert remote to local fd, if != 0
1013 #if ENABLE_PERL
1014 rxvt_perl_term perl;
1015 #endif
1016 struct mbstate mbstate; // current input multibyte state
1017
1018 unsigned char want_refresh:1,
1019 current_screen:1, /* primary or secondary */
1020 num_scr_allow:1,
1021 bypass_keystate:1,
1022 #if ENABLE_FRILLS
1023 urgency_hint:1,
1024 #endif
1025 #if CURSOR_BLINK
1026 hidden_cursor:1,
1027 #endif
1028 #if TEXT_BLINK
1029 hidden_text:1,
1030 #endif
1031 #if POINTER_BLANK
1032 hidden_pointer:1,
1033 #endif
1034 enc_utf8:1, /* whether locale uses utf-8 */
1035 seen_input:1, /* whether we have seen some program output yet */
1036 seen_resize:1, /* whether we had a resize event */
1037 parsed_geometry:1;
1038
1039 unsigned char refresh_type,
1040 #ifdef META8_OPTION
1041 meta_char, /* Alt-key prefix */
1042 #endif
1043 selection_wait,
1044 selection_type;
1045 /* ---------- */
1046 bool rvideo_state, rvideo_mode;
1047 #ifndef NO_BELL
1048 bool rvideo_bell;
1049 #endif
1050 int num_scr; /* screen: number of lines scrolled */
1051 int prev_ncol, /* screen: previous number of columns */
1052 prev_nrow; /* screen: previous number of rows */
1053 /* ---------- */
1054 rend_t rstyle;
1055 /* ---------- */
1056 #ifdef SELECTION_SCROLLING
1057 int scroll_selection_lines;
1058 enum page_dirn scroll_selection_dir;
1059 int selection_save_x,
1060 selection_save_y,
1061 selection_save_state;
1062 #endif
1063 /* ---------- */
1064 int csrO, /* Hops - csr offset in thumb/slider to */
1065 /* give proper Scroll behaviour */
1066 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1067 mouse_slip_wheel_speed,
1068 #endif
1069 refresh_count,
1070 window_vt_x,
1071 window_vt_y,
1072 mouse_row,
1073 mouse_col,
1074 # ifdef POINTER_BLANK
1075 pointerBlankDelay,
1076 # endif
1077 allowedxerror;
1078 /* ---------- */
1079 unsigned int ModLevel3Mask,
1080 ModMetaMask,
1081 ModNumLockMask;
1082 int old_width, /* last used width in screen resize */
1083 old_height; /* last used height in screen resize */
1084 unsigned long priv_modes,
1085 SavedModes;
1086 /* ---------- */
1087 Atom *xa;
1088 /* ---------- */
1089 Time selection_time,
1090 selection_request_time,
1091 clipboard_time;
1092 pid_t cmd_pid; /* process id of child */
1093 char * incr_buf;
1094 size_t incr_buf_size, incr_buf_fill;
1095 /* ---------- */
1096 struct mouse_event MEvent;
1097 XComposeStatus compose;
1098 static struct termios def_tio;
1099 row_col_t oldcursor;
1100 #ifdef HAVE_BG_PIXMAP
1101 bgPixmap_t bgPixmap;
1102 #endif
1103 #ifdef HAVE_AFTERIMAGE
1104 ASVisual *asv;
1105 ASImageManager *asimman;
1106
1107 void init_asv ()
1108 {
1109 if (!asv)
1110 asv = create_asvisual_for_id (dpy, display->screen, depth, XVisualIDFromVisual (visual), cmap, NULL);
1111 }
1112 #endif
1113
1114 #if ENABLE_OVERLAY
1115 overlay_base ov;
1116
1117 void scr_swap_overlay () NOTHROW;
1118 void scr_overlay_new (int x, int y, int w, int h) NOTHROW;
1119 void scr_overlay_off () NOTHROW;
1120 void scr_overlay_set (int x, int y,
1121 text_t text,
1122 rend_t rend = OVERLAY_RSTYLE) NOTHROW;
1123 void scr_overlay_set (int x, int y, const char *s) NOTHROW;
1124 void scr_overlay_set (int x, int y, const wchar_t *s) NOTHROW;
1125 #endif
1126
1127 vector<void *> allocated; // free these memory blocks with free()
1128
1129 char env_windowid[21]; /* environmental variable WINDOWID */
1130 char env_colorfgbg[sizeof ("COLORFGBG=default;default;bg") + 1];
1131 char *env_display; /* environmental variable DISPLAY */
1132 char *env_term; /* environmental variable TERM */
1133
1134 char *locale;
1135 char charsets[4];
1136 char *v_buffer; /* pointer to physical buffer */
1137 unsigned int v_buflen; /* size of area to write */
1138 stringvec *argv, *envv; /* if != 0, will be freed at destroy time */
1139
1140 #ifdef KEYSYM_RESOURCE
1141 keyboard_manager *keyboard;
1142 #endif
1143 #ifndef NO_RESOURCES
1144 XrmDatabase option_db;
1145 #endif
1146
1147 const char *rs[NUM_RESOURCES];
1148 /* command input buffering */
1149 char *cmdbuf_ptr, *cmdbuf_endp;
1150 char cmdbuf_base[CBUFSIZ];
1151
1152 ptytty *pty;
1153
1154 rxvt_salloc *talloc; // text line allocator
1155 rxvt_salloc *ralloc; // rend line allocator
1156
1157 static vector<rxvt_term *> termlist; // a vector of all running rxvt_term's
1158
1159 #if ENABLE_FRILLS || ISO_14755
1160 // ISO 14755 entry support
1161 unicode_t iso14755buf;
1162 void commit_iso14755 ();
1163 # if ISO_14755
1164 void iso14755_51 (unicode_t ch, rend_t r = DEFAULT_RSTYLE, int x = 0, int y = -1);
1165 void iso14755_54 (int x, int y);
1166 # endif
1167 #endif
1168
1169 long vt_emask, vt_emask_perl, vt_emask_xim, vt_emask_mouse;
1170
1171 void vt_select_input () const NOTHROW
1172 {
1173 XSelectInput (dpy, vt, vt_emask | vt_emask_perl | vt_emask_xim | vt_emask_mouse);
1174 }
1175
1176 #if ENABLE_TRANSPARENCY || ENABLE_PERL
1177 void rootwin_cb (XEvent &xev);
1178 xevent_watcher rootwin_ev;
1179 #endif
1180 #ifdef HAVE_BG_PIXMAP
1181 void update_background ();
1182 void update_background_cb (ev::timer &w, int revents);
1183 ev::timer update_background_ev;
1184 #endif
1185
1186 void x_cb (XEvent &xev);
1187 xevent_watcher termwin_ev;
1188 xevent_watcher vt_ev;
1189 xevent_watcher scrollbar_ev;
1190
1191 void child_cb (ev::child &w, int revents); ev::child child_ev;
1192 void destroy_cb (ev::idle &w, int revents); ev::idle destroy_ev;
1193 void refresh_check ();
1194 void flush ();
1195 void flush_cb (ev::timer &w, int revents); ev::timer flush_ev;
1196 bool pty_fill ();
1197 void pty_cb (ev::io &w, int revents); ev::io pty_ev;
1198 void incr_cb (ev::timer &w, int revents) NOTHROW; ev::timer incr_ev;
1199
1200 #ifdef CURSOR_BLINK
1201 void cursor_blink_cb (ev::timer &w, int revents); ev::timer cursor_blink_ev;
1202 #endif
1203 #ifdef TEXT_BLINK
1204 void text_blink_cb (ev::timer &w, int revents); ev::timer text_blink_ev;
1205 #endif
1206 #ifndef NO_BELL
1207 void bell_cb (ev::timer &w, int revents); ev::timer bell_ev;
1208 #endif
1209
1210 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1211 void cont_scroll_cb (ev::timer &w, int revents); ev::timer cont_scroll_ev;
1212 #endif
1213 #ifdef SELECTION_SCROLLING
1214 void sel_scroll_cb (ev::timer &w, int revents); ev::timer sel_scroll_ev;
1215 #endif
1216 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1217 void slip_wheel_cb (ev::timer &w, int revents); ev::timer slip_wheel_ev;
1218 #endif
1219
1220 #ifdef POINTER_BLANK
1221 void pointer_cb (ev::timer &w, int revents); ev::timer pointer_ev;
1222 void pointer_blank ();
1223 #endif
1224 void pointer_unblank ();
1225
1226 void tt_printf (const char *fmt,...);
1227 void tt_write (const char *data, unsigned int len);
1228 void pty_write ();
1229
1230 void init (stringvec *argv, stringvec *envv)
1231 {
1232 this->argv = argv;
1233 init (argv->size (), argv->begin (), envv);
1234 }
1235
1236 void make_current () const // make this the "currently active" urxvt instance
1237 {
1238 SET_R (this);
1239 set_environ (envv);
1240 rxvt_set_locale (locale);
1241 }
1242
1243 #if USE_XIM
1244 rxvt_xim *input_method;
1245 XIC Input_Context;
1246 XIMStyle input_style;
1247 XPoint spot; // most recently sent spot position
1248
1249 void im_destroy ();
1250 void im_cb (); im_watcher im_ev;
1251 void im_set_size (XRectangle &size);
1252 void im_set_position (XPoint &pos) NOTHROW;
1253 void im_set_color (unsigned long &fg, unsigned long &bg);
1254 void im_set_preedit_area (XRectangle &preedit_rect, XRectangle &status_rect, const XRectangle &needed_rect);
1255
1256 bool IMisRunning ();
1257 void IMSendSpot ();
1258 bool IM_get_IC (const char *modifiers);
1259 void IMSetPosition ();
1260 #endif
1261
1262 // command.C
1263 void key_press (XKeyEvent &ev);
1264 void key_release (XKeyEvent &ev);
1265 unsigned int cmd_write (const char *str, unsigned int count);
1266
1267 wchar_t next_char () NOTHROW;
1268 wchar_t cmd_getc () THROW ((class out_of_input));
1269 uint32_t next_octet () NOTHROW;
1270 uint32_t cmd_get8 () THROW ((class out_of_input));
1271
1272 void cmd_parse ();
1273 void mouse_report (XButtonEvent &ev);
1274 void button_press (XButtonEvent &ev);
1275 void button_release (XButtonEvent &ev);
1276 void focus_in ();
1277 void focus_out ();
1278 #if ENABLE_FRILLS
1279 void set_urgency (bool enable);
1280 #else
1281 void set_urgency (bool enable) { }
1282 #endif
1283 void update_fade_color (unsigned int idx);
1284 #ifdef PRINTPIPE
1285 FILE *popen_printer ();
1286 int pclose_printer (FILE *stream);
1287 #endif
1288 void process_print_pipe ();
1289 void process_nonprinting (unicode_t ch);
1290 void process_escape_vt52 (unicode_t ch);
1291 void process_escape_seq ();
1292 void process_csi_seq ();
1293 void process_window_ops (const int *args, unsigned int nargs);
1294 char *get_to_st (unicode_t &ends_how);
1295 void process_dcs_seq ();
1296 void process_osc_seq ();
1297 void process_color_seq (int report, int color, const char *str, char resp);
1298 void process_xterm_seq (int op, char *str, char resp);
1299 int privcases (int mode, unsigned long bit);
1300 void process_terminal_mode (int mode, int priv, unsigned int nargs, const int *arg);
1301 void process_sgr_mode (unsigned int nargs, const int *arg);
1302 void process_graphics ();
1303 // init.C
1304 void init_vars ();
1305 const char **init_resources (int argc, const char *const *argv);
1306 void init (int argc, const char *const *argv, stringvec *envv);
1307 void init_env ();
1308 void set_locale (const char *locale);
1309 void init_xlocale ();
1310 void init_command (const char *const *argv);
1311 void run_command (const char *const *argv);
1312 int run_child (const char *const *argv);
1313 void color_aliases (int idx);
1314 void create_windows (int argc, const char *const *argv);
1315 void get_colours ();
1316 void get_ourmods ();
1317 void set_icon (const char *file);
1318 // main.C
1319 void tt_winch ();
1320 rxvt_term ();
1321 ~rxvt_term ();
1322 void destroy ();
1323 void emergency_cleanup ();
1324 void recolour_cursor ();
1325 void resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent);
1326 void window_calc (unsigned int newwidth, unsigned int newheight);
1327 bool set_fonts ();
1328 void set_string_property (Atom prop, const char *str, int len = -1);
1329 void set_mbstring_property (Atom prop, const char *str, int len = -1);
1330 void set_utf8_property (Atom prop, const char *str, int len = -1);
1331 void set_title (const char *str);
1332 void set_icon_name (const char *str);
1333 void set_window_color (int idx, const char *color);
1334 void set_colorfgbg ();
1335 bool set_color (rxvt_color &color, const char *name);
1336 void alias_color (int dst, int src);
1337 void set_widthheight (unsigned int newwidth, unsigned int newheight);
1338 void get_window_origin (int &x, int &y);
1339 Pixmap get_pixmap_property (int prop_id);
1340
1341 // screen.C
1342
1343 void lalloc (line_t &l) const
1344 {
1345 l.t = (text_t *)talloc->alloc ();
1346 l.r = (rend_t *)ralloc->alloc ();
1347 }
1348
1349 #if 0
1350 void lfree (line_t &l)
1351 {
1352 talloc->free (l.t);
1353 ralloc->free (l.r);
1354 }
1355 #endif
1356
1357 void lresize (line_t &l) const
1358 {
1359 if (!l.t)
1360 return;
1361
1362 l.t = (text_t *)talloc->alloc (l.t, prev_ncol * sizeof (text_t));
1363 l.r = (rend_t *)ralloc->alloc (l.r, prev_ncol * sizeof (rend_t));
1364
1365 l.l = min (l.l, ncol);
1366
1367 if (ncol > prev_ncol)
1368 scr_blank_line (l, prev_ncol, ncol - prev_ncol, DEFAULT_RSTYLE);
1369 }
1370
1371 int fgcolor_of (rend_t r) const NOTHROW
1372 {
1373 int base = GET_BASEFG (r);
1374 #ifndef NO_BRIGHTCOLOR
1375 if (r & RS_Bold
1376 # if ENABLE_STYLES
1377 && option (Opt_intensityStyles)
1378 # endif
1379 && IN_RANGE_INC (base, minCOLOR, minBrightCOLOR))
1380 base += minBrightCOLOR - minCOLOR;
1381 #endif
1382 return base;
1383 }
1384
1385 int bgcolor_of (rend_t r) const NOTHROW
1386 {
1387 int base = GET_BASEBG (r);
1388 #ifndef NO_BRIGHTCOLOR
1389 if (r & RS_Blink
1390 # if ENABLE_STYLES
1391 && option (Opt_intensityStyles)
1392 # endif
1393 && IN_RANGE_INC (base, minCOLOR, minBrightCOLOR))
1394 base += minBrightCOLOR - minCOLOR;
1395 #endif
1396 return base;
1397 }
1398
1399 bool option (uint8_t opt) const NOTHROW
1400 {
1401 return options[opt >> 3] & (1 << (opt & 7));
1402 }
1403
1404 void set_option (uint8_t opt, bool set = true) NOTHROW;
1405
1406 void set_privmode (unsigned bit, int set) NOTHROW
1407 {
1408 if (set)
1409 priv_modes |= bit;
1410 else
1411 priv_modes &= ~bit;
1412 }
1413
1414 // modifies first argument(!)
1415 void tt_paste (char *data, unsigned int len) NOTHROW;
1416 void paste (char *data, unsigned int len) NOTHROW;
1417 void scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const NOTHROW;
1418 void scr_blank_screen_mem (line_t &l, rend_t efs) const NOTHROW;
1419 void scr_kill_char (line_t &l, int col) const NOTHROW;
1420 int scr_scroll_text (int row1, int row2, int count) NOTHROW;
1421 void scr_reset ();
1422 void scr_release () NOTHROW;
1423 void scr_clear (bool really = false) NOTHROW;
1424 void scr_refresh () NOTHROW;
1425 bool scr_refresh_rend (rend_t mask, rend_t value) NOTHROW;
1426 void scr_erase_screen (int mode) NOTHROW;
1427 #if ENABLE_FRILLS
1428 void scr_erase_savelines () NOTHROW;
1429 void scr_backindex () NOTHROW;
1430 void scr_forwardindex () NOTHROW;
1431 #endif
1432 void scr_touch (bool refresh) NOTHROW;
1433 void scr_expose (int x, int y, int width, int height, bool refresh) NOTHROW;
1434 void scr_recolour () NOTHROW;
1435 void scr_remap_chars () NOTHROW;
1436 void scr_remap_chars (line_t &l) NOTHROW;
1437
1438 enum cursor_mode { SAVE, RESTORE };
1439
1440 void scr_poweron ();
1441 void scr_soft_reset () NOTHROW;
1442 void scr_cursor (cursor_mode mode) NOTHROW;
1443 void scr_do_wrap () NOTHROW;
1444 void scr_swap_screen () NOTHROW;
1445 void scr_change_screen (int scrn);
1446 void scr_color (unsigned int color, int fgbg) NOTHROW;
1447 void scr_rendition (int set, int style) NOTHROW;
1448 void scr_add_lines (const wchar_t *str, int len, int minlines = 0) NOTHROW;
1449 void scr_backspace () NOTHROW;
1450 void scr_tab (int count, bool ht = false) NOTHROW;
1451 void scr_gotorc (int row, int col, int relative) NOTHROW;
1452 void scr_index (enum page_dirn direction) NOTHROW;
1453 void scr_erase_line (int mode) NOTHROW;
1454 void scr_E () NOTHROW;
1455 void scr_insdel_lines (int count, int insdel) NOTHROW;
1456 void scr_insdel_chars (int count, int insdel) NOTHROW;
1457 void scr_scroll_region (int top, int bot) NOTHROW;
1458 void scr_cursor_visible (int mode) NOTHROW;
1459 void scr_autowrap (int mode) NOTHROW;
1460 void scr_relative_origin (int mode) NOTHROW;
1461 void scr_insert_mode (int mode) NOTHROW;
1462 void scr_set_tab (int mode) NOTHROW;
1463 void scr_rvideo_mode (bool on) NOTHROW;
1464 void scr_report_position () NOTHROW;
1465 void set_font_style () NOTHROW;
1466 void scr_charset_choose (int set) NOTHROW;
1467 void scr_charset_set (int set, unsigned int ch) NOTHROW;
1468 void scr_move_to (int y, int len) NOTHROW;
1469 bool scr_page (enum page_dirn direction, int nlines) NOTHROW;
1470 bool scr_changeview (int new_view_start) NOTHROW;
1471 void scr_bell () NOTHROW;
1472 void scr_printscreen (int fullhist) NOTHROW;
1473 void scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) NOTHROW;
1474 void scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) NOTHROW;
1475 void scr_reverse_selection () NOTHROW;
1476 void scr_dump (int fd) NOTHROW;
1477
1478 void selection_check (int check_more) NOTHROW;
1479 void selection_paste (Window win, Atom prop, bool delete_prop) NOTHROW;
1480 void selection_property (Window win, Atom prop) NOTHROW;
1481 void selection_request (Time tm, int selnum = Sel_Primary) NOTHROW;
1482 int selection_request_other (Atom target, int selnum) NOTHROW;
1483 void selection_clear (bool clipboard = false) NOTHROW;
1484 void selection_make (Time tm);
1485 bool selection_grab (Time tm, bool clipboard = false) NOTHROW;
1486 void selection_start_colrow (int col, int row) NOTHROW;
1487 void selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW;
1488 void selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW;
1489 void selection_remove_trailing_spaces () NOTHROW;
1490 void selection_send (const XSelectionRequestEvent &rq) NOTHROW;
1491 void selection_click (int clicks, int x, int y) NOTHROW;
1492 void selection_extend (int x, int y, int flag) NOTHROW;
1493 void selection_rotate (int x, int y) NOTHROW;
1494
1495 // xdefaults.C
1496 void get_options (int argc, const char *const *argv);
1497 int parse_keysym (const char *str, const char *arg);
1498 const char *x_resource (const char *name);
1499 void extract_resources ();
1500 };
1501
1502 #endif /* _RXVT_H_ */
1503