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/cvs/rxvt-unicode/src/rxvt.h
Revision: 1.406
Committed: Sun May 23 00:02:52 2010 UTC (14 years ago) by root
Content type: text/plain
Branch: MAIN
Changes since 1.405: +7 -7 lines
Log Message:
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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 /*
196 *****************************************************************************
197 * STRUCTURES AND TYPEDEFS
198 *****************************************************************************
199 */
200
201 /*
202 * the 'essential' information for reporting Mouse Events
203 * pared down from XButtonEvent
204 */
205 struct mouse_event
206 {
207 int clicks;
208 Time time; /* milliseconds */
209 unsigned int state; /* key or button mask */
210 unsigned int button; /* detail */
211 };
212
213 #if ENABLE_XEMBED
214 // XEMBED messages
215 # define XEMBED_EMBEDDED_NOTIFY 0
216 # define XEMBED_WINDOW_ACTIVATE 1
217 # define XEMBED_WINDOW_DEACTIVATE 2
218 # define XEMBED_REQUEST_FOCUS 3
219 # define XEMBED_FOCUS_IN 4
220 # define XEMBED_FOCUS_OUT 5
221 # define XEMBED_FOCUS_NEXT 6
222 # define XEMBED_FOCUS_PREV 7
223
224 # define XEMBED_MODALITY_ON 10
225 # define XEMBED_MODALITY_OFF 11
226 # define XEMBED_REGISTER_ACCELERATOR 12
227 # define XEMBED_UNREGISTER_ACCELERATOR 13
228 # define XEMBED_ACTIVATE_ACCELERATOR 14
229
230 // XEMBED detail code
231 # define XEMBED_FOCUS_CURRENT 0
232 # define XEMBED_FOCUS_FIRST 1
233 # define XEMBED_FOCUS_LAST 2
234
235 # define XEMBED_MAPPED (1 << 0)
236 #endif
237
238 /*
239 *****************************************************************************
240 * NORMAL DEFINES
241 *****************************************************************************
242 */
243
244 /* COLORTERM, TERM environment variables */
245 #define COLORTERMENV "rxvt"
246 #ifdef BG_IMAGE_FROM_FILE
247 # define COLORTERMENVFULL COLORTERMENV "-xpm"
248 #else
249 # define COLORTERMENVFULL COLORTERMENV
250 #endif
251 #ifndef TERMENV
252 # if USE_256_COLORS
253 # define TERMENV "rxvt-unicode-256color"
254 # else
255 # define TERMENV "rxvt-unicode"
256 # endif
257 #endif
258
259 #if defined (NO_MOUSE_REPORT) && !defined (NO_MOUSE_REPORT_SCROLLBAR)
260 # define NO_MOUSE_REPORT_SCROLLBAR 1
261 #endif
262
263 #define scrollBar_esc 30
264
265 #if !defined (RXVT_SCROLLBAR) && !defined (NEXT_SCROLLBAR)
266 # define NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING 1
267 #endif
268
269 enum {
270 NO_REFRESH = 0, /* Window not visible at all! */
271 FAST_REFRESH = 1, /* Fully exposed window */
272 SLOW_REFRESH = 2, /* Partially exposed window */
273 };
274
275 #ifdef NO_SECONDARY_SCREEN
276 # define NSCREENS 0
277 #else
278 # define NSCREENS 1
279 #endif
280
281 /* special (internal) prefix for font commands */
282 #define FONT_CMD '#'
283 #define FONT_DN "#-"
284 #define FONT_UP "#+"
285
286 /* flags for rxvt_scr_gotorc () */
287 enum {
288 C_RELATIVE = 1, /* col movement is relative */
289 R_RELATIVE = 2, /* row movement is relative */
290 RELATIVE = C_RELATIVE | R_RELATIVE,
291 };
292
293 /* modes for rxvt_scr_insdel_chars (), rxvt_scr_insdel_lines () */
294 enum {
295 INSERT = -1, /* don't change these values */
296 DELETE = +1,
297 ERASE = +2,
298 };
299
300 /* modes for rxvt_scr_page () - scroll page. used by scrollbar window */
301 enum page_dirn {
302 UP,
303 DN,
304 NO_DIR,
305 };
306
307 /* arguments for rxvt_scr_change_screen () */
308 enum {
309 PRIMARY = 0,
310 SECONDARY,
311 };
312
313 // define various rendition bits and masks. the rendition word
314 // is 32 bits in size, and we should use it as efficiently as possible
315
316 #define RS_None 0
317
318 // GET_BGATTR depends on RS_fgShift > RS_bgShift
319 #define RS_colorMask ((1UL << Color_Bits) - 1UL)
320 #define RS_bgShift 0
321 #define RS_fgShift (RS_bgShift + Color_Bits)
322 #define RS_bgMask (RS_colorMask << RS_bgShift)
323 #define RS_fgMask (RS_colorMask << RS_fgShift)
324
325 // must have space for rxvt_fontset::fontCount * 2 + 2 values
326 #define RS_fontShift (RS_fgShift + Color_Bits)
327 #define RS_Careful (1UL << RS_fontShift) /* be careful when drawing these */
328 #define RS_fontMask ((rxvt_fontset::fontCount << (RS_fontShift + 1)) | RS_Careful) // includes RS_Careful
329
330 // toggle this to force redraw, must be != RS_Careful and otherwise "pretty neutral"
331 #define RS_redraw (2UL << RS_fontShift)
332
333 #define RS_Sel (1UL << 22)
334
335 // 5 custom bits for extensions
336 #define RS_customCount 16UL
337 #define RS_customShift 23
338 #define RS_customMask ((RS_customCount - 1UL) << RS_customShift)
339
340 // font styles
341 #define RS_Bold (1UL << RS_styleShift)
342 #define RS_Italic (2UL << RS_styleShift)
343
344 #define RS_styleCount 4
345 #define RS_styleShift 27
346 #define RS_styleMask (RS_Bold | RS_Italic)
347
348 // fake styles
349 #define RS_Blink (1UL << 29)
350 #define RS_RVid (1UL << 30) // reverse video
351 #define RS_Uline (1UL << 31) // underline
352
353 #define RS_baseattrMask (RS_Italic | RS_Bold | RS_Blink | RS_RVid | RS_Uline)
354 #define RS_attrMask (RS_baseattrMask | RS_fontMask)
355
356 #define DEFAULT_RSTYLE (RS_None | (Color_fg << RS_fgShift) | (Color_bg << RS_bgShift))
357 #define OVERLAY_RSTYLE (RS_None | (Color_Black << RS_fgShift) | (Color_Yellow << RS_bgShift))
358
359 #define Sel_none 0 /* Not waiting */
360 #define Sel_normal 0x01 /* normal selection */
361 #define Sel_incr 0x02 /* incremental selection */
362 #define Sel_direct 0x00
363 #define Sel_Primary 0x01
364 #define Sel_Secondary 0x02
365 #define Sel_Clipboard 0x03
366 #define Sel_whereMask 0x0f
367 #define Sel_CompoundText 0x10 /* last request was COMPOUND_TEXT */
368 #define Sel_UTF8String 0x20 /* last request was UTF8_STRING */
369
370 enum {
371 C0_NUL = 0x00,
372 C0_SOH, C0_STX, C0_ETX, C0_EOT, C0_ENQ, C0_ACK, C0_BEL,
373 C0_BS , C0_HT , C0_LF , C0_VT , C0_FF , C0_CR , C0_SO , C0_SI ,
374 C0_DLE, C0_DC1, C0_DC2, D0_DC3, C0_DC4, C0_NAK, C0_SYN, C0_ETB,
375 C0_CAN, C0_EM , C0_SUB, C0_ESC, C0_IS4, C0_IS3, C0_IS2, C0_IS1,
376 };
377 #define CHAR_ST 0x9c /* 0234 */
378
379 /*
380 * XTerm Operating System Commands: ESC ] Ps;Pt (ST|BEL)
381 * colour extensions by Christian W. Zuckschwerdt <zany@triq.net>
382 */
383 enum {
384 XTerm_name = 0,
385 XTerm_iconName = 1,
386 XTerm_title = 2,
387 XTerm_property = 3, // change X property
388 XTerm_Color = 4, // change colors
389 XTerm_Color00 = 10, // change fg color
390 XTerm_Color01 = 11, // change bg color
391 XTerm_Color_cursor = 12, // change actual 'Cursor' color
392 XTerm_Color_pointer_fg = 13, // change actual 'Pointer' fg color
393 XTerm_Color_pointer_bg = 14, // change actual 'Pointer' bg color
394 XTerm_Color05 = 15, // not implemented (tektronix fg)
395 XTerm_Color06 = 16, // not implemented (tektronix bg)
396 XTerm_Color_HC = 17, // change actual 'Highlight' bg color
397 XTerm_Color_HTC = 19, // change actual 'Highlight' fg color
398 XTerm_logfile = 46, // not implemented
399 XTerm_font = 50,
400
401 XTerm_konsole30 = 30, // reserved for konsole
402 XTerm_konsole31 = 31, // reserved for konsole
403 XTerm_emacs51 = 51, // reserved for emacs shell
404 /*
405 * rxvt extensions of XTerm OSCs: ESC ] Ps;Pt (ST|BEL)
406 */
407
408 // deprecated
409 Rxvt_restoreFG = 39,
410 Rxvt_restoreBG = 49,
411
412 Rxvt_Pixmap = 20, // new bg pixmap
413 Rxvt_dumpscreen = 55, // dump scrollback and all of screen
414
415 URxvt_locale = 701, // change locale
416 URxvt_version = 702, // request version
417
418 URxvt_Color_IT = 704, // change actual 'Italic' colour
419 URxvt_Color_tint = 705, // change actual tint colour
420 URxvt_Color_BD = 706, // change actual 'Bold' color
421 URxvt_Color_UL = 707, // change actual 'Underline' color
422 URxvt_Color_border = 708,
423
424 URxvt_font = 710,
425 URxvt_boldFont = 711,
426 URxvt_italicFont = 712,
427 URxvt_boldItalicFont = 713,
428
429 URxvt_view_up = 720,
430 URxvt_view_down = 721,
431
432 URxvt_perl = 777, // for use by perl extensions, starts with "extension-name;"
433 };
434
435 /* Words starting with `Color_' are colours. Others are counts */
436 /*
437 * The PixColor and rendition colour usage should probably be decoupled
438 * on the unnecessary items, e.g. Color_pointer, but won't bother
439 * until we need to. Also, be aware of usage in pixcolor_set
440 */
441
442 enum colour_list {
443 Color_none = -2,
444 Color_transparent = -1,
445 Color_fg = 0,
446 Color_bg,
447 minCOLOR, /* 2 */
448 Color_Black = minCOLOR,
449 Color_Red3,
450 Color_Green3,
451 Color_Yellow3,
452 Color_Blue3,
453 Color_Magenta3,
454 Color_Cyan3,
455 maxCOLOR, /* minCOLOR + 7 */
456 #ifndef NO_BRIGHTCOLOR
457 Color_AntiqueWhite = maxCOLOR,
458 minBrightCOLOR, /* maxCOLOR + 1 */
459 Color_Grey25 = minBrightCOLOR,
460 Color_Red,
461 Color_Green,
462 Color_Yellow,
463 Color_Blue,
464 Color_Magenta,
465 Color_Cyan,
466 maxBrightCOLOR, /* minBrightCOLOR + 7 */
467 Color_White = maxBrightCOLOR,
468 #else
469 Color_White = maxCOLOR,
470 #endif
471 minTermCOLOR = Color_White + 1,
472 #if USE_256_COLORS
473 maxTermCOLOR = Color_White + 240,
474 #else
475 maxTermCOLOR = Color_White + 72,
476 #endif
477 #ifndef NO_CURSORCOLOR
478 Color_cursor,
479 Color_cursor2,
480 #endif
481 Color_pointer_fg,
482 Color_pointer_bg,
483 Color_border,
484 #ifndef NO_BOLD_UNDERLINE_REVERSE
485 Color_BD,
486 Color_IT,
487 Color_UL,
488 Color_RV,
489 #endif
490 #if ENABLE_FRILLS
491 Color_underline,
492 #endif
493 #ifdef OPTION_HC
494 Color_HC,
495 Color_HTC,
496 #endif
497 Color_scroll,
498 #ifdef RXVT_SCROLLBAR
499 Color_trough,
500 #endif
501 #if ENABLE_TRANSPARENCY
502 Color_tint,
503 #endif
504 #if OFF_FOCUS_FADING
505 Color_fade,
506 #endif
507 NRS_COLORS, /* */
508 #ifdef RXVT_SCROLLBAR
509 Color_topShadow = NRS_COLORS,
510 Color_bottomShadow,
511 TOTAL_COLORS
512 #else
513 TOTAL_COLORS = NRS_COLORS
514 #endif
515 };
516
517 #if USE_256_COLORS
518 # define Color_Bits 9 // 0 .. maxTermCOLOR
519 #else
520 # define Color_Bits 7 // 0 .. maxTermCOLOR
521 #endif
522
523 /*
524 * Resource list
525 */
526 enum {
527 # define def(name) Rs_ ## name,
528 # define reserve(name,count) Rs_ ## name ## _ = Rs_ ## name + (count) - 1,
529 # include "rsinc.h"
530 # undef def
531 # undef reserve
532 NUM_RESOURCES
533 };
534
535 /* DEC private modes */
536 #define PrivMode_132 (1UL<<0)
537 #define PrivMode_132OK (1UL<<1)
538 #define PrivMode_rVideo (1UL<<2)
539 #define PrivMode_relOrigin (1UL<<3)
540 #define PrivMode_Screen (1UL<<4)
541 #define PrivMode_Autowrap (1UL<<5)
542 #define PrivMode_aplCUR (1UL<<6)
543 #define PrivMode_aplKP (1UL<<7)
544 #define PrivMode_HaveBackSpace (1UL<<8)
545 #define PrivMode_BackSpace (1UL<<9)
546 #define PrivMode_ShiftKeys (1UL<<10)
547 #define PrivMode_VisibleCursor (1UL<<11)
548 #define PrivMode_MouseX10 (1UL<<12)
549 #define PrivMode_MouseX11 (1UL<<13)
550 #define PrivMode_scrollBar (1UL<<14)
551 #define PrivMode_TtyOutputInh (1UL<<15)
552 #define PrivMode_Keypress (1UL<<16)
553 #define PrivMode_smoothScroll (1UL<<17)
554 #define PrivMode_vt52 (1UL<<18)
555 #define PrivMode_LFNL (1UL<<19)
556 #define PrivMode_MouseBtnEvent (1UL<<20)
557 #define PrivMode_MouseAnyEvent (1UL<<21)
558 #define PrivMode_BracketPaste (1UL<<22)
559
560 #define PrivMode_mouse_report (PrivMode_MouseX10|PrivMode_MouseX11|PrivMode_MouseBtnEvent|PrivMode_MouseAnyEvent)
561
562 #ifdef ALLOW_132_MODE
563 # define PrivMode_Default (PrivMode_Autowrap|PrivMode_ShiftKeys|PrivMode_VisibleCursor|PrivMode_132OK)
564 #else
565 # define PrivMode_Default (PrivMode_Autowrap|PrivMode_ShiftKeys|PrivMode_VisibleCursor)
566 #endif
567
568 // do not change these constants lightly, there are many interdependencies
569 #define IMBUFSIZ 128 // input modifier buffer sizes
570 #define KBUFSZ 512 // size of keyboard mapping buffer
571 #define CBUFSIZ 2048 // size of command buffer
572 #define CBUFCNT 8 // never call pty_fill/cmd_parse more than this often in a row
573 #define UBUFSIZ 2048 // character buffer
574
575 #if ENABLE_FRILLS
576 # include <X11/Xmd.h>
577 typedef struct _mwmhints
578 {
579 CARD32 flags;
580 CARD32 functions;
581 CARD32 decorations;
582 INT32 input_mode;
583 CARD32 status;
584 } MWMHints;
585 #endif
586
587 /* Motif window hints */
588 #define MWM_HINTS_FUNCTIONS (1L << 0)
589 #define MWM_HINTS_DECORATIONS (1L << 1)
590 #define MWM_HINTS_INPUT_MODE (1L << 2)
591 #define MWM_HINTS_STATUS (1L << 3)
592 /* bit definitions for MwmHints.functions */
593 #define MWM_FUNC_ALL (1L << 0)
594 #define MWM_FUNC_RESIZE (1L << 1)
595 #define MWM_FUNC_MOVE (1L << 2)
596 #define MWM_FUNC_MINIMIZE (1L << 3)
597 #define MWM_FUNC_MAXIMIZE (1L << 4)
598 #define MWM_FUNC_CLOSE (1L << 5)
599 /* bit definitions for MwmHints.decorations */
600 #define MWM_DECOR_ALL (1L << 0)
601 #define MWM_DECOR_BORDER (1L << 1)
602 #define MWM_DECOR_RESIZEH (1L << 2)
603 #define MWM_DECOR_TITLE (1L << 3)
604 #define MWM_DECOR_MENU (1L << 4)
605 #define MWM_DECOR_MINIMIZE (1L << 5)
606 #define MWM_DECOR_MAXIMIZE (1L << 6)
607 /* bit definitions for MwmHints.inputMode */
608 #define MWM_INPUT_MODELESS 0
609 #define MWM_INPUT_PRIMARY_APPLICATION_MODAL 1
610 #define MWM_INPUT_SYSTEM_MODAL 2
611 #define MWM_INPUT_FULL_APPLICATION_MODAL 3
612 #define PROP_MWM_HINTS_ELEMENTS 5
613
614 /*
615 *****************************************************************************
616 * MACRO DEFINES
617 *****************************************************************************
618 */
619 #define dLocal(type,name) type const name = this->name
620
621 // for speed reasons, we assume that all codepoints 32 to 126 are
622 // single-width.
623 #define WCWIDTH(c) (IN_RANGE_INC (c, 0x20, 0x7e) ? 1 : wcwidth (c))
624
625 /* convert pixel dimensions to row/column values. Everything as int32_t */
626 #define Pixel2Col(x) Pixel2Width((int32_t)(x))
627 #define Pixel2Row(y) Pixel2Height((int32_t)(y))
628 #define Pixel2Width(x) ((int32_t)(x) / (int32_t)fwidth)
629 #define Pixel2Height(y) ((int32_t)(y) / (int32_t)fheight)
630 #define Col2Pixel(col) ((int32_t)Width2Pixel(col))
631 #define Row2Pixel(row) ((int32_t)Height2Pixel(row))
632 #define Width2Pixel(n) ((int32_t)(n) * (int32_t)fwidth)
633 #define Height2Pixel(n) ((int32_t)(n) * (int32_t)fheight)
634
635 #define LINENO_of(t,n) MOD ((t)->term_start + int(n), (t)->total_rows)
636 #define ROW_of(t,n) (t)->row_buf [LINENO_of ((t), n)]
637
638 #define LINENO(n) LINENO_of (this, n)
639 #define ROW(n) ROW_of (this, n)
640
641 /* how to build & extract colors and attributes */
642 #define GET_BASEFG(x) (((x) & RS_fgMask) >> RS_fgShift)
643 #define GET_BASEBG(x) (((x) & RS_bgMask) >> RS_bgShift)
644
645 #define GET_FONT(x) (((x) & RS_fontMask) >> RS_fontShift)
646 #define SET_FONT(x,fid) (((x) & ~RS_fontMask) | ((fid) << RS_fontShift))
647
648 #define GET_STYLE(x) (((x) & RS_styleMask) >> RS_styleShift)
649 #define SET_STYLE(x,style) (((x) & ~RS_styleMask) | ((style) << RS_styleShift))
650
651 #define GET_ATTR(x) (((x) & RS_attrMask))
652 // return attributes defining the background, encoding doesn't matter
653 // depends on RS_fgShift > RS_bgShift
654 #define GET_BGATTR(x) \
655 (expect_false ((x) & RS_RVid) \
656 ? (((x) & (RS_attrMask & ~RS_RVid)) \
657 | (((x) & RS_fgMask) >> (RS_fgShift - RS_bgShift))) \
658 : ((x) & (RS_attrMask | RS_bgMask)))
659 #define SET_FGCOLOR(x,fg) (((x) & ~RS_fgMask) | ((fg) << RS_fgShift))
660 #define SET_BGCOLOR(x,bg) (((x) & ~RS_bgMask) | ((bg) << RS_bgShift))
661 #define SET_ATTR(x,a) (((x) & ~RS_attrMask) | (a))
662
663 #define RS_SAME(a,b) (!(((a) ^ (b)) & ~RS_Careful))
664
665 #define PIXCOLOR_NAME(idx) rs[Rs_color + (idx)]
666 #define ISSET_PIXCOLOR(idx) (!!rs[Rs_color + (idx)])
667
668 #if ENABLE_STYLES
669 # define FONTSET_of(t,style) (t)->fontset[GET_STYLE (style)]
670 #else
671 # define FONTSET_of(t,style) (t)->fontset[0]
672 #endif
673
674 #define FONTSET(style) FONTSET_of (this, style)
675
676 typedef callback<void (const char *)> log_callback;
677 typedef callback<int (int)> getfd_callback;
678
679 /****************************************************************************/
680
681 #define LINE_LONGER 0x0001 // line is continued on the next row
682 #define LINE_FILTERED 0x0002 // line has been filtered
683 #define LINE_COMPRESSED 0x0004 // line has been compressed (NYI)
684 #define LINE_FILTER 0x0008 // line needs to be filtered before display (NYI)
685 #define LINE_BIDI 0x0010 // line needs bidi (NYI)
686
687 struct line_t
688 {
689 text_t *t; // terminal the text
690 rend_t *r; // rendition, uses RS_ flags
691 tlen_t_ l; // length of each text line
692 uint32_t f; // flags
693
694 bool is_longer ()
695 {
696 return f & LINE_LONGER;
697 }
698
699 void is_longer (int set)
700 {
701 if (set)
702 f |= LINE_LONGER;
703 else
704 f &= ~LINE_LONGER;
705 }
706
707 void clear ()
708 {
709 t = 0;
710 r = 0;
711 l = 0;
712 f = 0;
713 }
714
715 void touch () // call whenever a line is changed/touched/updated
716 {
717 #if ENABLE_PERL
718 f &= ~LINE_FILTERED;
719 #endif
720 }
721
722 void touch (int col)
723 {
724 max_it (l, col);
725 touch ();
726 }
727 };
728
729 /****************************************************************************/
730
731 // primitive wrapper around mbstate_t to ensure initialisation
732 struct mbstate
733 {
734 mbstate_t mbs;
735
736 operator mbstate_t *() { return &mbs; }
737 void reset () { memset (&mbs, 0, sizeof (mbs)); }
738 mbstate () { reset (); }
739 };
740
741 /****************************************************************************/
742
743 #define UNICODE_MASK 0x1fffffUL
744
745 #if UNICODE_3
746 # define COMPOSE_LO 0x40000000UL
747 # define COMPOSE_HI 0x400fffffUL
748 # define IS_COMPOSE(n) ((int32_t)(n) >= COMPOSE_LO)
749 #else
750 # if ENABLE_PERL
751 # define COMPOSE_LO 0xe000UL // our _own_ functions don't like (illegal) surrogates
752 # define COMPOSE_HI 0xf8ffUL // in utf-8, so use private use area only
753 # else
754 # define COMPOSE_LO 0xd800UL
755 # define COMPOSE_HI 0xf8ffUL
756 # endif
757 # define IS_COMPOSE(n) IN_RANGE_INC ((n), COMPOSE_LO, COMPOSE_HI)
758 #endif
759
760 #if ENABLE_COMBINING
761 // compose chars are used to represent composite characters
762 // that are not representable in unicode, as well as characters
763 // not fitting in the BMP.
764 struct compose_char
765 {
766 unicode_t c1, c2; // any chars != NOCHAR are valid
767 compose_char (unicode_t c1, unicode_t c2)
768 : c1(c1), c2(c2)
769 { }
770 };
771
772 class rxvt_composite_vec
773 {
774 vector<compose_char> v;
775 public:
776 text_t compose (unicode_t c1, unicode_t c2 = NOCHAR);
777 int expand (unicode_t c, wchar_t *r);
778 compose_char *operator [](text_t c)
779 {
780 return c >= COMPOSE_LO && c < COMPOSE_LO + v.size ()
781 ? &v[c - COMPOSE_LO]
782 : 0;
783 }
784 };
785
786 extern class rxvt_composite_vec rxvt_composite;
787 #endif
788
789 /****************************************************************************/
790
791 #ifdef KEYSYM_RESOURCE
792 class keyboard_manager;
793 #endif
794
795 typedef struct rxvt_term *rxvt_t;
796
797 extern rxvt_t rxvt_current_term;
798
799 #define SET_R(r) rxvt_current_term = const_cast<rxvt_term *>(r)
800 #define GET_R rxvt_current_term
801
802 /* ------------------------------------------------------------------------- */
803 struct overlay_base
804 {
805 int x, y, w, h; // overlay dimensions
806 text_t **text;
807 rend_t **rend;
808
809 // while tempting to add swap() etc. here, it effetcively only increases code size
810 };
811
812 /* ------------------------------------------------------------------------- */
813
814 typedef struct
815 {
816 int row;
817 int col;
818 } row_col_t;
819
820 /*
821 * terminal limits:
822 *
823 * width : 1 <= width
824 * height : 1 <= height
825 * ncol : 1 <= ncol <= MAX(tlen_t)
826 * nrow : 1 <= nrow <= MAX(int)
827 * saveLines : 0 <= saveLines <= MAX(int)
828 * term_start : 0 <= term_start < saveLines
829 * total_rows : nrow + saveLines
830 *
831 * top_row : -saveLines <= top_row <= 0
832 * view_start : top_row <= view_start <= 0
833 *
834 * | most coordinates are stored relative to term_start,
835 * ROW_BUF | which is the first line of the terminal screen
836 * |························= row_buf[0]
837 * |························= row_buf[1]
838 * |························= row_buf[2] etc.
839 * |
840 * +------------+···········= term_start + top_row
841 * | scrollback |
842 * | scrollback +---------+·= term_start + view_start
843 * | scrollback | display |
844 * | scrollback | display |
845 * +------------+·display·+·= term_start
846 * | terminal | display |
847 * | terminal +---------+
848 * | terminal |
849 * | terminal |
850 * +------------+···········= term_start + nrow - 1
851 * |
852 * |
853 * END······················= total_rows
854 */
855
856 struct TermWin_t
857 {
858 int width; /* window width [pixels] */
859 int height; /* window height [pixels] */
860 int fwidth; /* font width [pixels] */
861 int fheight; /* font height [pixels] */
862 int fbase; /* font ascent (baseline) [pixels] */
863 int ncol; /* window columns [characters] */
864 int nrow; /* window rows [characters] */
865 int focus; /* window has focus */
866 int mapped; /* window state mapped? */
867 int int_bwidth; /* internal border width */
868 int ext_bwidth; /* external border width */
869 int lineSpace; /* number of extra pixels between rows */
870 int letterSpace; /* number of extra pixels between columns */
871 int saveLines; /* number of lines that fit in scrollback */
872 int total_rows; /* total number of rows in this terminal */
873 int term_start; /* term lines start here */
874 int view_start; /* scrollback view starts here */
875 int top_row; /* topmost row index of scrollback */
876 Window parent[6]; /* parent identifiers - we're parent[0] */
877 Window vt; /* vt100 window */
878 GC gc; /* GC for drawing */
879 Pixmap pixmap;
880 rxvt_drawable *drawable;
881 rxvt_fontset *fontset[4];
882 };
883
884 /*
885 * screen accounting:
886 * screen_t elements
887 * row: Cursor row position : 0 <= row < nrow
888 * col: Cursor column position : 0 <= col < ncol
889 * tscroll: Scrolling region top row inclusive : 0 <= row < nrow
890 * bscroll: Scrolling region bottom row inclusive : 0 <= row < nrow
891 *
892 * selection_t elements
893 * clicks: 1, 2 or 3 clicks - 4 indicates a special condition of 1 where
894 * nothing is selected
895 * beg: row/column of beginning of selection : never past mark
896 * mark: row/column of initial click : never past end
897 * end: row/column of one character past end of selection
898 * * Note: top_row <= beg.row <= mark.row <= end.row < nrow
899 * * Note: col == -1 ==> we're left of screen
900 *
901 */
902 struct screen_t
903 {
904 row_col_t cur; /* cursor position on the screen */
905 int tscroll; /* top of settable scroll region */
906 int bscroll; /* bottom of settable scroll region */
907 unsigned int charset; /* character set number [0..3] */
908 unsigned int flags; /* see below */
909 row_col_t s_cur; /* saved cursor position */
910 unsigned int s_charset; /* saved character set number [0..3] */
911 char s_charset_char;
912 rend_t s_rstyle; /* saved rendition style */
913 };
914
915 enum selection_op_t
916 {
917 SELECTION_CLEAR = 0, /* nothing selected */
918 SELECTION_INIT, /* marked a point */
919 SELECTION_BEGIN, /* started a selection */
920 SELECTION_CONT, /* continued selection */
921 SELECTION_DONE /* selection put in CUT_BUFFER0 */
922 };
923
924 struct selection_t
925 {
926 wchar_t *text; /* selected text */
927 unsigned int len; /* length of selected text */
928 unsigned int screen; /* screen being used */
929 unsigned int clicks; /* number of clicks */
930 selection_op_t op; /* current operation */
931 bool rect; /* rectangular selection? */
932 row_col_t beg; /* beginning of selection <= mark */
933 row_col_t mark; /* point of initial click <= end */
934 row_col_t end; /* one character past end point */
935 wchar_t *clip_text; /* text copied to the clipboard */
936 unsigned int clip_len; /* length of clipboard text */
937 };
938
939 /* ------------------------------------------------------------------------- */
940
941 /* screen_t flags */
942 #define Screen_Relative (1<<0) /* relative origin mode flag */
943 #define Screen_VisibleCursor (1<<1) /* cursor visible? */
944 #define Screen_Autowrap (1<<2) /* auto-wrap flag */
945 #define Screen_Insert (1<<3) /* insert mode (vs. overstrike) */
946 #define Screen_WrapNext (1<<4) /* need to wrap for next char? */
947 #define Screen_DefaultFlags (Screen_VisibleCursor | Screen_Autowrap)
948
949 /* rxvt_vars.options */
950 enum {
951 # define def(name,idx) Opt_ ## name = idx,
952 # define nodef(name) Opt_ ## name = 0,
953 # include "optinc.h"
954 # undef nodef
955 # undef def
956 Opt_count
957 };
958
959 /* ------------------------------------------------------------------------- */
960
961 struct rxvt_vars : TermWin_t
962 {
963 scrollBar_t scrollBar;
964 uint8_t options[(Opt_count + 7) >> 3];
965 XSizeHints szHint;
966 rxvt_color *pix_colors;
967 Cursor TermWin_cursor; /* cursor for vt window */
968 line_t *row_buf; // all lines, scrollback + terminal, circular, followed by temp_buf
969 line_t *drawn_buf; // text on screen
970 line_t *swap_buf; // lines for swap buffer
971 char *tabs; /* per location: 1 == tab-stop */
972 screen_t screen;
973 screen_t swap;
974 selection_t selection;
975 rxvt_color pix_colors_focused[TOTAL_COLORS];
976 #ifdef OFF_FOCUS_FADING
977 rxvt_color pix_colors_unfocused[TOTAL_COLORS];
978 #endif
979 };
980
981 struct rxvt_term : zero_initialized, rxvt_vars, rxvt_screen
982 {
983
984 // special markers with magic addresses
985 static const char resval_undef []; // options specifically unset
986 static const char resval_on []; // boolean options switched on
987 static const char resval_off []; // or off
988
989 log_callback *log_hook; // log error messages through this hook, if != 0
990 getfd_callback *getfd_hook; // convert remote to local fd, if != 0
991 #if ENABLE_PERL
992 rxvt_perl_term perl;
993 #endif
994 struct mbstate mbstate; // current input multibyte state
995
996 unsigned char want_refresh:1,
997 current_screen:1, /* primary or secondary */
998 num_scr_allow:1,
999 bypass_keystate:1,
1000 #if ENABLE_FRILLS
1001 urgency_hint:1,
1002 #endif
1003 #if CURSOR_BLINK
1004 hidden_cursor:1,
1005 #endif
1006 #if TEXT_BLINK
1007 hidden_text:1,
1008 #endif
1009 #if POINTER_BLANK
1010 hidden_pointer:1,
1011 #endif
1012 enc_utf8:1, /* whether locale uses utf-8 */
1013 seen_input:1, /* whether we have seen some program output yet */
1014 seen_resize:1, /* whether we had a resize event */
1015 parsed_geometry:1;
1016
1017 unsigned char refresh_type,
1018 #ifdef META8_OPTION
1019 meta_char, /* Alt-key prefix */
1020 #endif
1021 selection_wait,
1022 selection_type;
1023 /* ---------- */
1024 bool rvideo_state, rvideo_mode;
1025 #ifndef NO_BELL
1026 bool rvideo_bell;
1027 #endif
1028 int num_scr; /* screen: number of lines scrolled */
1029 int prev_ncol, /* screen: previous number of columns */
1030 prev_nrow; /* screen: previous number of rows */
1031 /* ---------- */
1032 rend_t rstyle;
1033 /* ---------- */
1034 #ifdef SELECTION_SCROLLING
1035 int scroll_selection_lines;
1036 enum page_dirn scroll_selection_dir;
1037 int selection_save_x,
1038 selection_save_y,
1039 selection_save_state;
1040 #endif
1041 /* ---------- */
1042 int csrO, /* Hops - csr offset in thumb/slider to */
1043 /* give proper Scroll behaviour */
1044 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1045 mouse_slip_wheel_speed,
1046 #endif
1047 refresh_count,
1048 window_vt_x,
1049 window_vt_y,
1050 mouse_row,
1051 mouse_col,
1052 # ifdef POINTER_BLANK
1053 pointerBlankDelay,
1054 # endif
1055 allowedxerror;
1056 /* ---------- */
1057 unsigned int ModLevel3Mask,
1058 ModMetaMask,
1059 ModNumLockMask;
1060 int old_width, /* last used width in screen resize */
1061 old_height; /* last used height in screen resize */
1062 unsigned long priv_modes,
1063 SavedModes;
1064 /* ---------- */
1065 Atom *xa;
1066 /* ---------- */
1067 Time selection_time,
1068 selection_request_time,
1069 clipboard_time;
1070 pid_t cmd_pid; /* process id of child */
1071 char * incr_buf;
1072 size_t incr_buf_size, incr_buf_fill;
1073 /* ---------- */
1074 struct mouse_event MEvent;
1075 XComposeStatus compose;
1076 struct termios tio;
1077 row_col_t oldcursor;
1078 #ifdef HAVE_BG_PIXMAP
1079 bgPixmap_t bgPixmap;
1080 #endif
1081 #ifdef HAVE_AFTERIMAGE
1082 ASVisual *asv;
1083 ASImageManager *asimman;
1084
1085 void init_asv ()
1086 {
1087 if (!asv)
1088 asv = create_asvisual_for_id (dpy, display->screen, depth, XVisualIDFromVisual (visual), cmap, NULL);
1089 }
1090 #endif
1091
1092 #if ENABLE_OVERLAY
1093 overlay_base ov;
1094
1095 void scr_swap_overlay () NOTHROW;
1096 void scr_overlay_new (int x, int y, int w, int h) NOTHROW;
1097 void scr_overlay_off () NOTHROW;
1098 void scr_overlay_set (int x, int y,
1099 text_t text,
1100 rend_t rend = OVERLAY_RSTYLE) NOTHROW;
1101 void scr_overlay_set (int x, int y, const char *s) NOTHROW;
1102 void scr_overlay_set (int x, int y, const wchar_t *s) NOTHROW;
1103 #endif
1104
1105 vector<void *> allocated; // free these memory blocks with free()
1106
1107 char env_windowid[21]; /* environmental variable WINDOWID */
1108 char env_colorfgbg[sizeof ("COLORFGBG=default;default;bg") + 1];
1109 char *env_display; /* environmental variable DISPLAY */
1110 char *env_term; /* environmental variable TERM */
1111
1112 char *locale;
1113 char charsets[4];
1114 char *v_buffer; /* pointer to physical buffer */
1115 unsigned int v_buflen; /* size of area to write */
1116 stringvec *argv, *envv; /* if != 0, will be freed at destroy time */
1117
1118 #ifdef KEYSYM_RESOURCE
1119 keyboard_manager *keyboard;
1120 #endif
1121 #ifndef NO_RESOURCES
1122 XrmDatabase option_db;
1123 #endif
1124
1125 const char *rs[NUM_RESOURCES];
1126 /* command input buffering */
1127 char *cmdbuf_ptr, *cmdbuf_endp;
1128 char cmdbuf_base[CBUFSIZ];
1129
1130 ptytty *pty;
1131
1132 rxvt_salloc *talloc; // text line allocator
1133 rxvt_salloc *ralloc; // rend line allocator
1134
1135 static vector<rxvt_term *> termlist; // a vector of all running rxvt_term's
1136
1137 #if ENABLE_FRILLS || ISO_14755
1138 // ISO 14755 entry support
1139 unicode_t iso14755buf;
1140 void commit_iso14755 ();
1141 # if ISO_14755
1142 void iso14755_51 (unicode_t ch, rend_t r = DEFAULT_RSTYLE, int x = 0, int y = -1);
1143 void iso14755_54 (int x, int y);
1144 # endif
1145 #endif
1146
1147 long vt_emask, vt_emask_perl, vt_emask_xim, vt_emask_mouse;
1148
1149 void vt_select_input () const NOTHROW
1150 {
1151 XSelectInput (dpy, vt, vt_emask | vt_emask_perl | vt_emask_xim | vt_emask_mouse);
1152 }
1153
1154 #if ENABLE_TRANSPARENCY || ENABLE_PERL
1155 void rootwin_cb (XEvent &xev);
1156 xevent_watcher rootwin_ev;
1157 #endif
1158 #ifdef HAVE_BG_PIXMAP
1159 void update_background ();
1160 #if TRACE_PIXMAPS
1161 void trace_update_background (const char *file, int line);
1162 # define update_background() trace_update_background (__FILE__, __LINE__)
1163 #endif
1164 void update_background_cb (ev::timer &w, int revents);
1165 ev::timer update_background_ev;
1166 #endif
1167
1168 void x_cb (XEvent &xev);
1169 xevent_watcher termwin_ev;
1170 xevent_watcher vt_ev;
1171 xevent_watcher scrollbar_ev;
1172
1173 void child_cb (ev::child &w, int revents); ev::child child_ev;
1174 void destroy_cb (ev::idle &w, int revents); ev::idle destroy_ev;
1175 void refresh_check ();
1176 void flush ();
1177 void flush_cb (ev::timer &w, int revents); ev::timer flush_ev;
1178 bool pty_fill ();
1179 void pty_cb (ev::io &w, int revents); ev::io pty_ev;
1180 void incr_cb (ev::timer &w, int revents) NOTHROW; ev::timer incr_ev;
1181
1182 #ifdef CURSOR_BLINK
1183 void cursor_blink_cb (ev::timer &w, int revents); ev::timer cursor_blink_ev;
1184 #endif
1185 #ifdef TEXT_BLINK
1186 void text_blink_cb (ev::timer &w, int revents); ev::timer text_blink_ev;
1187 #endif
1188 #ifndef NO_BELL
1189 void bell_cb (ev::timer &w, int revents); ev::timer bell_ev;
1190 #endif
1191
1192 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1193 void cont_scroll_cb (ev::timer &w, int revents); ev::timer cont_scroll_ev;
1194 #endif
1195 #ifdef SELECTION_SCROLLING
1196 void sel_scroll_cb (ev::timer &w, int revents); ev::timer sel_scroll_ev;
1197 #endif
1198 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1199 void slip_wheel_cb (ev::timer &w, int revents); ev::timer slip_wheel_ev;
1200 #endif
1201
1202 #ifdef POINTER_BLANK
1203 void pointer_cb (ev::timer &w, int revents); ev::timer pointer_ev;
1204 void pointer_blank ();
1205 #endif
1206 void pointer_unblank ();
1207
1208 void tt_printf (const char *fmt,...);
1209 void tt_write (const char *data, unsigned int len);
1210 void pty_write ();
1211
1212 void init (stringvec *argv, stringvec *envv)
1213 {
1214 this->argv = argv;
1215 init (argv->size (), argv->begin (), envv);
1216 }
1217
1218 void make_current () const // make this the "currently active" urxvt instance
1219 {
1220 SET_R (this);
1221 set_environ (envv);
1222 rxvt_set_locale (locale);
1223 }
1224
1225 #if USE_XIM
1226 rxvt_xim *input_method;
1227 XIC Input_Context;
1228 XIMStyle input_style;
1229 XPoint spot; // most recently sent spot position
1230
1231 void im_destroy ();
1232 void im_cb (); im_watcher im_ev;
1233 void im_set_size (XRectangle &size);
1234 void im_set_position (XPoint &pos) NOTHROW;
1235 void im_set_color (unsigned long &fg, unsigned long &bg);
1236 void im_set_preedit_area (XRectangle &preedit_rect, XRectangle &status_rect, const XRectangle &needed_rect);
1237
1238 bool IMisRunning ();
1239 void IMSendSpot ();
1240 bool IM_get_IC (const char *modifiers);
1241 void IMSetPosition ();
1242 #endif
1243
1244 // command.C
1245 void key_press (XKeyEvent &ev);
1246 void key_release (XKeyEvent &ev);
1247 unsigned int cmd_write (const char *str, unsigned int count);
1248
1249 wchar_t next_char () NOTHROW;
1250 wchar_t cmd_getc () THROW ((class out_of_input));
1251 uint32_t next_octet () NOTHROW;
1252 uint32_t cmd_get8 () THROW ((class out_of_input));
1253
1254 void cmd_parse ();
1255 void mouse_report (XButtonEvent &ev);
1256 void button_press (XButtonEvent &ev);
1257 void button_release (XButtonEvent &ev);
1258 void focus_in ();
1259 void focus_out ();
1260 #if ENABLE_FRILLS
1261 void set_urgency (bool enable);
1262 #else
1263 void set_urgency (bool enable) { }
1264 #endif
1265 void update_fade_color (unsigned int idx);
1266 #ifdef PRINTPIPE
1267 FILE *popen_printer ();
1268 int pclose_printer (FILE *stream);
1269 #endif
1270 void process_print_pipe ();
1271 void process_nonprinting (unicode_t ch);
1272 void process_escape_vt52 (unicode_t ch);
1273 void process_escape_seq ();
1274 void process_csi_seq ();
1275 void process_window_ops (const int *args, unsigned int nargs);
1276 char *get_to_st (unicode_t &ends_how);
1277 void process_dcs_seq ();
1278 void process_osc_seq ();
1279 void process_color_seq (int report, int color, const char *str, char resp);
1280 void process_xterm_seq (int op, char *str, char resp);
1281 int privcases (int mode, unsigned long bit);
1282 void process_terminal_mode (int mode, int priv, unsigned int nargs, const int *arg);
1283 void process_sgr_mode (unsigned int nargs, const int *arg);
1284 void process_graphics ();
1285 // init.C
1286 void init_vars ();
1287 const char **init_resources (int argc, const char *const *argv);
1288 void init (int argc, const char *const *argv, stringvec *envv);
1289 void init_env ();
1290 void set_locale (const char *locale);
1291 void init_xlocale ();
1292 void init_command (const char *const *argv);
1293 void run_command (const char *const *argv);
1294 int run_child (const char *const *argv);
1295 void color_aliases (int idx);
1296 void create_windows (int argc, const char *const *argv);
1297 void get_colours ();
1298 void get_ourmods ();
1299 // main.C
1300 void tt_winch ();
1301 rxvt_term ();
1302 ~rxvt_term ();
1303 void destroy ();
1304 void emergency_cleanup ();
1305 void recolour_cursor ();
1306 void resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent);
1307 void window_calc (unsigned int newwidth, unsigned int newheight);
1308 bool set_fonts ();
1309 void set_string_property (Atom prop, const char *str, int len = -1);
1310 void set_utf8_property (Atom prop, const char *str, int len = -1);
1311 void set_title (const char *str);
1312 void set_icon_name (const char *str);
1313 void set_window_color (int idx, const char *color);
1314 void set_colorfgbg ();
1315 bool set_color (rxvt_color &color, const char *name);
1316 void alias_color (int dst, int src);
1317 void set_widthheight (unsigned int newwidth, unsigned int newheight);
1318 void get_window_origin (int &x, int &y);
1319 Pixmap get_pixmap_property (int prop_id);
1320
1321 // screen.C
1322
1323 void lalloc (line_t &l) const
1324 {
1325 l.t = (text_t *)talloc->alloc ();
1326 l.r = (rend_t *)ralloc->alloc ();
1327 }
1328
1329 #if 0
1330 void lfree (line_t &l)
1331 {
1332 talloc->free (l.t);
1333 ralloc->free (l.r);
1334 }
1335 #endif
1336
1337 void lresize (line_t &l) const
1338 {
1339 if (!l.t)
1340 return;
1341
1342 l.t = (text_t *)talloc->alloc (l.t, prev_ncol * sizeof (text_t));
1343 l.r = (rend_t *)ralloc->alloc (l.r, prev_ncol * sizeof (rend_t));
1344
1345 l.l = min (l.l, ncol);
1346
1347 if (ncol > prev_ncol)
1348 scr_blank_line (l, prev_ncol, ncol - prev_ncol, DEFAULT_RSTYLE);
1349 }
1350
1351 int fgcolor_of (rend_t r) const NOTHROW
1352 {
1353 int base = GET_BASEFG (r);
1354 #ifndef NO_BRIGHTCOLOR
1355 if (r & RS_Bold
1356 # if ENABLE_STYLES
1357 && option (Opt_intensityStyles)
1358 # endif
1359 && IN_RANGE_INC (base, minCOLOR, minBrightCOLOR))
1360 base += minBrightCOLOR - minCOLOR;
1361 #endif
1362 return base;
1363 }
1364
1365 int bgcolor_of (rend_t r) const NOTHROW
1366 {
1367 int base = GET_BASEBG (r);
1368 #ifndef NO_BRIGHTCOLOR
1369 if (r & RS_Blink
1370 # if ENABLE_STYLES
1371 && option (Opt_intensityStyles)
1372 # endif
1373 && IN_RANGE_INC (base, minCOLOR, minBrightCOLOR))
1374 base += minBrightCOLOR - minCOLOR;
1375 #endif
1376 return base;
1377 }
1378
1379 bool option (uint8_t opt) const NOTHROW
1380 {
1381 if (!opt)
1382 return 0;
1383
1384 --opt;
1385 return options[opt >> 3] & (1 << (opt & 7));
1386 }
1387
1388 void set_option (uint8_t opt, bool set = true) NOTHROW
1389 {
1390 if (!opt)
1391 return;
1392
1393 --opt;
1394 if (set)
1395 options[opt >> 3] |= (1 << (opt & 7));
1396 else
1397 options[opt >> 3] &= ~(1 << (opt & 7));
1398 }
1399
1400 void set_privmode (unsigned bit, int set) NOTHROW
1401 {
1402 if (set)
1403 priv_modes |= bit;
1404 else
1405 priv_modes &= ~bit;
1406 }
1407
1408 // modifies first argument(!)
1409 void paste (char *data, unsigned int len) NOTHROW;
1410 void scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const NOTHROW;
1411 void scr_blank_screen_mem (line_t &l, rend_t efs) const NOTHROW;
1412 void scr_kill_char (line_t &l, int col) const NOTHROW;
1413 int scr_scroll_text (int row1, int row2, int count) NOTHROW;
1414 void scr_reset ();
1415 void scr_release () NOTHROW;
1416 void scr_clear (bool really = false) NOTHROW;
1417 void scr_refresh () NOTHROW;
1418 bool scr_refresh_rend (rend_t mask, rend_t value) NOTHROW;
1419 void scr_erase_screen (int mode) NOTHROW;
1420 #if ENABLE_FRILLS
1421 void scr_erase_savelines () NOTHROW;
1422 void scr_backindex () NOTHROW;
1423 void scr_forwardindex () NOTHROW;
1424 #endif
1425 void scr_touch (bool refresh) NOTHROW;
1426 void scr_expose (int x, int y, int width, int height, bool refresh) NOTHROW;
1427 void scr_recolour () NOTHROW;
1428 void scr_remap_chars () NOTHROW;
1429 void scr_remap_chars (line_t &l) NOTHROW;
1430
1431 enum cursor_mode { SAVE, RESTORE };
1432
1433 void scr_poweron ();
1434 void scr_soft_reset () NOTHROW;
1435 void scr_cursor (cursor_mode mode) NOTHROW;
1436 void scr_do_wrap () NOTHROW;
1437 void scr_swap_screen () NOTHROW;
1438 void scr_change_screen (int scrn);
1439 void scr_color (unsigned int color, int fgbg) NOTHROW;
1440 void scr_rendition (int set, int style) NOTHROW;
1441 void scr_add_lines (const wchar_t *str, int len, int minlines = 0) NOTHROW;
1442 void scr_backspace () NOTHROW;
1443 void scr_tab (int count, bool ht = false) NOTHROW;
1444 void scr_gotorc (int row, int col, int relative) NOTHROW;
1445 void scr_index (enum page_dirn direction) NOTHROW;
1446 void scr_erase_line (int mode) NOTHROW;
1447 void scr_E () NOTHROW;
1448 void scr_insdel_lines (int count, int insdel) NOTHROW;
1449 void scr_insdel_chars (int count, int insdel) NOTHROW;
1450 void scr_scroll_region (int top, int bot) NOTHROW;
1451 void scr_cursor_visible (int mode) NOTHROW;
1452 void scr_autowrap (int mode) NOTHROW;
1453 void scr_relative_origin (int mode) NOTHROW;
1454 void scr_insert_mode (int mode) NOTHROW;
1455 void scr_set_tab (int mode) NOTHROW;
1456 void scr_rvideo_mode (bool on) NOTHROW;
1457 void scr_report_position () NOTHROW;
1458 void set_font_style () NOTHROW;
1459 void scr_charset_choose (int set) NOTHROW;
1460 void scr_charset_set (int set, unsigned int ch) NOTHROW;
1461 void scr_move_to (int y, int len) NOTHROW;
1462 bool scr_page (enum page_dirn direction, int nlines) NOTHROW;
1463 bool scr_changeview (int new_view_start) NOTHROW;
1464 void scr_bell () NOTHROW;
1465 void scr_printscreen (int fullhist) NOTHROW;
1466 void scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) NOTHROW;
1467 void scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) NOTHROW;
1468 void scr_reverse_selection () NOTHROW;
1469 void scr_dump (int fd) NOTHROW;
1470
1471 void selection_check (int check_more) NOTHROW;
1472 void selection_paste (Window win, Atom prop, bool delete_prop) NOTHROW;
1473 void selection_property (Window win, Atom prop) NOTHROW;
1474 void selection_request (Time tm, int selnum = Sel_Primary) NOTHROW;
1475 int selection_request_other (Atom target, int selnum) NOTHROW;
1476 void selection_clear (bool clipboard = false) NOTHROW;
1477 void clipboard_copy (Time tm);
1478 void selection_make (Time tm);
1479 bool selection_grab (Time tm, bool clipboard = false) NOTHROW;
1480 void selection_start_colrow (int col, int row) NOTHROW;
1481 void selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW;
1482 void selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW;
1483 void selection_remove_trailing_spaces () NOTHROW;
1484 void selection_send (const XSelectionRequestEvent &rq) NOTHROW;
1485 void selection_click (int clicks, int x, int y) NOTHROW;
1486 void selection_extend (int x, int y, int flag) NOTHROW;
1487 void selection_rotate (int x, int y) NOTHROW;
1488
1489 // xdefaults.C
1490 void get_options (int argc, const char *const *argv);
1491 int parse_keysym (const char *str, const char *arg);
1492 const char *x_resource (const char *name);
1493 void extract_resources ();
1494 };
1495
1496 #endif /* _RXVT_H_ */
1497