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/cvs/rxvt-unicode/src/rxvt.h
Revision: 1.404
Committed: Sun Apr 18 11:06:46 2010 UTC (14 years, 2 months ago) by sf-exg
Content type: text/plain
Branch: MAIN
Changes since 1.403: +0 -2 lines
Log Message:
Remove deprecated OSC 18 / 19.

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