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/cvs/rxvt-unicode/src/rxvt.h
Revision: 1.467
Committed: Thu Jan 19 17:10:51 2012 UTC (12 years, 4 months ago) by root
Content type: text/plain
Branch: MAIN
CVS Tags: rxvt-unicode-rel-9_15
Changes since 1.466: +0 -2 lines
Log Message:
*** empty log message ***

File Contents

# Content
1 #ifndef RXVT_H_ /* include once only */
2 #define RXVT_H_
3
4 #include <stdio.h>
5 #include <ctype.h>
6 #include <errno.h>
7 #include <stdarg.h>
8 #include <stdlib.h>
9 #ifdef HAVE_STDINT_H
10 #include <stdint.h>
11 #endif
12 #include <sys/types.h>
13 #include <unistd.h>
14 #include <string.h>
15 #include <assert.h>
16 #ifdef HAVE_SYS_IOCTL_H
17 #include <sys/ioctl.h>
18 #endif
19 #ifdef HAVE_SYS_STRREDIR_H
20 #include <sys/strredir.h>
21 #endif
22
23 #if HAVE_WCHAR_H
24 # include <wchar.h>
25 #else
26 // stdlib.h might provide it
27 #endif
28
29 // we assume that Xlib.h defines XPointer, and it does since at least 1994...
30
31 extern "C" {
32 #include <X11/Xlib.h>
33 #include <X11/Xutil.h>
34 #include <X11/Xresource.h>
35 }
36
37 #if UNICODE_3
38 typedef uint32_t text_t;
39 #else
40 typedef uint16_t text_t; // saves lots of memory
41 #endif
42 typedef uint32_t rend_t;
43 typedef int32_t tlen_t; // was int16_t, but this results in smaller code and memory use
44 typedef int32_t tlen_t_; // specifically for use in the line_t structure
45
46 #include "feature.h"
47
48 #if defined (ISO_14755) || defined (ENABLE_PERL)
49 # define ENABLE_OVERLAY 1
50 #endif
51
52 #if ENABLE_PERL
53 # define ENABLE_FRILLS 1
54 # define ENABLE_COMBINING 1
55 #endif
56
57 #if ENABLE_FRILLS
58 # define ENABLE_XEMBED 1
59 # define ENABLE_EWMH 1
60 # define ENABLE_XIM_ONTHESPOT 1
61 # define CURSOR_BLINK 1
62 # define OPTION_HC 1
63 # define BUILTIN_GLYPHS 1
64 #else
65 # define ENABLE_MINIMAL 1
66 #endif
67
68 #include <limits.h>
69
70 #include <X11/cursorfont.h>
71 #include <X11/keysym.h>
72 #include <X11/keysymdef.h>
73 #include <X11/Xatom.h>
74
75 #ifdef HAVE_AFTERIMAGE
76 # include <afterimage.h>
77 # undef min
78 # undef max
79 #endif
80
81 #ifdef HAVE_PIXBUF
82 # include <gdk-pixbuf/gdk-pixbuf.h>
83 #endif
84
85 #if defined(BG_IMAGE_FROM_FILE) || defined(ENABLE_TRANSPARENCY)
86 # define HAVE_BG_PIXMAP 1
87 #endif
88
89 #include "encoding.h"
90 #include "rxvtutil.h"
91 #include "rxvtfont.h"
92 #include "rxvttoolkit.h"
93 #include "scrollbar.h"
94 #include "ev_cpp.h"
95 #include "salloc.h"
96 #include "libptytty.h"
97
98 #include "rxvtperl.h"
99
100 // try to avoid some macros to decrease code size, on some systems
101 #if ENABLE_MINIMAL
102 # define strcmp(a,b) (strcmp)(a,b)
103 # define strlen(a) (strlen)(a)
104 # define strcpy(a,b) (strcpy)(a,b)
105 # define memset(a,c,l) (memset)(a,c,l)
106 # define memcpy(a,b,l) (memcpy)(a,b,l)
107 #endif
108
109 /*
110 *****************************************************************************
111 * SYSTEM HACKS
112 *****************************************************************************
113 */
114
115 #include <termios.h>
116
117 #ifndef STDIN_FILENO
118 # define STDIN_FILENO 0
119 # define STDOUT_FILENO 1
120 # define STDERR_FILENO 2
121 #endif
122
123 #ifndef EXIT_SUCCESS /* missing from <stdlib.h> */
124 # define EXIT_SUCCESS 0 /* exit function success */
125 # define EXIT_FAILURE 1 /* exit function failure */
126 #endif
127
128 /****************************************************************************/
129
130 // exception thrown on fatal (per-instance) errors
131 class rxvt_failure_exception { };
132
133 // exception thrown when the command parser runs out of input data
134 class out_of_input { };
135
136 /*
137 *****************************************************************************
138 * PROTOTYPES
139 *****************************************************************************
140 */
141 // main.C
142 #define SET_LOCALE(locale) rxvt_set_locale (locale)
143 extern bool rxvt_set_locale (const char *locale) NOTHROW;
144 extern void rxvt_push_locale (const char *locale) NOTHROW;
145 extern void rxvt_pop_locale () NOTHROW;
146 void rxvt_init ();
147
148 // misc.C
149 char * rxvt_wcstombs (const wchar_t *str, int len = -1);
150 wchar_t * rxvt_mbstowcs (const char *str, int len = -1);
151 char * rxvt_wcstoutf8 (const wchar_t *str, int len = -1);
152 wchar_t * rxvt_utf8towcs (const char *str, int len = -1);
153
154 const char * rxvt_basename (const char *str) NOTHROW;
155 void rxvt_vlog (const char *fmt, va_list arg_ptr) NOTHROW;
156 void rxvt_log (const char *fmt,...) NOTHROW;
157 void rxvt_warn (const char *fmt,...) NOTHROW;
158 void rxvt_fatal (const char *fmt, ...) THROW ((class rxvt_failure_exception)) ecb_noreturn;
159 void rxvt_exit_failure () THROW ((class rxvt_failure_exception)) ecb_noreturn;
160
161 char * rxvt_strtrim (char *str) NOTHROW;
162 char ** rxvt_strsplit (char delim, const char *str) NOTHROW;
163
164 static inline void
165 rxvt_free_strsplit (char **ptr) NOTHROW
166 {
167 free (ptr[0]);
168 free (ptr);
169 }
170
171 void * rxvt_malloc (size_t size);
172 void * rxvt_calloc (size_t number, size_t size);
173 void * rxvt_realloc (void *ptr, size_t size);
174
175 /////////////////////////////////////////////////////////////////////////////
176
177 // temporarily replace the process environment
178 extern char **environ;
179 extern char **rxvt_environ; // the original environ pointer
180
181 static inline void
182 set_environ (stringvec *envv)
183 {
184 #if ENABLE_PERL
185 assert (envv);
186 #else
187 if (envv)
188 #endif
189 environ = (char **)envv->begin ();
190 }
191
192 static inline void
193 set_environ (char **envv)
194 {
195 #if ENABLE_PERL
196 assert (envv);
197 #else
198 if (envv)
199 #endif
200 environ = envv;
201 }
202
203 struct localise_env
204 {
205 char **orig_env;
206
207 localise_env (char **new_env)
208 {
209 orig_env = environ;
210 environ = new_env;
211 }
212
213 ~localise_env ()
214 {
215 environ = orig_env;
216 }
217 };
218
219 /*
220 *****************************************************************************
221 * STRUCTURES AND TYPEDEFS
222 *****************************************************************************
223 */
224
225 /*
226 * the 'essential' information for reporting Mouse Events
227 * pared down from XButtonEvent
228 */
229 struct mouse_event
230 {
231 int clicks;
232 Time time; /* milliseconds */
233 unsigned int state; /* key or button mask */
234 unsigned int button; /* detail */
235 };
236
237 #if ENABLE_XEMBED
238 // XEMBED messages
239 # define XEMBED_EMBEDDED_NOTIFY 0
240 # define XEMBED_WINDOW_ACTIVATE 1
241 # define XEMBED_WINDOW_DEACTIVATE 2
242 # define XEMBED_REQUEST_FOCUS 3
243 # define XEMBED_FOCUS_IN 4
244 # define XEMBED_FOCUS_OUT 5
245 # define XEMBED_FOCUS_NEXT 6
246 # define XEMBED_FOCUS_PREV 7
247
248 # define XEMBED_MODALITY_ON 10
249 # define XEMBED_MODALITY_OFF 11
250 # define XEMBED_REGISTER_ACCELERATOR 12
251 # define XEMBED_UNREGISTER_ACCELERATOR 13
252 # define XEMBED_ACTIVATE_ACCELERATOR 14
253
254 // XEMBED detail code
255 # define XEMBED_FOCUS_CURRENT 0
256 # define XEMBED_FOCUS_FIRST 1
257 # define XEMBED_FOCUS_LAST 2
258
259 # define XEMBED_MAPPED (1 << 0)
260 #endif
261
262 /*
263 *****************************************************************************
264 * NORMAL DEFINES
265 *****************************************************************************
266 */
267
268 /* COLORTERM, TERM environment variables */
269 #define COLORTERMENV "rxvt"
270 #ifdef BG_IMAGE_FROM_FILE
271 # define COLORTERMENVFULL COLORTERMENV "-xpm"
272 #else
273 # define COLORTERMENVFULL COLORTERMENV
274 #endif
275 #ifndef TERMENV
276 # if USE_256_COLORS
277 # define TERMENV "rxvt-unicode-256color"
278 # else
279 # define TERMENV "rxvt-unicode"
280 # endif
281 #endif
282
283 #if defined (NO_MOUSE_REPORT) && !defined (NO_MOUSE_REPORT_SCROLLBAR)
284 # define NO_MOUSE_REPORT_SCROLLBAR 1
285 #endif
286
287 #define scrollBar_esc 30
288
289 #if !defined (RXVT_SCROLLBAR) && !defined (NEXT_SCROLLBAR)
290 # define NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING 1
291 #endif
292
293 enum {
294 NO_REFRESH = 0, /* Window not visible at all! */
295 FAST_REFRESH = 1, /* Fully exposed window */
296 SLOW_REFRESH = 2, /* Partially exposed window */
297 };
298
299 #ifdef NO_SECONDARY_SCREEN
300 # define NSCREENS 0
301 #else
302 # define NSCREENS 1
303 #endif
304
305 /* flags for rxvt_term::scr_gotorc () */
306 enum {
307 C_RELATIVE = 1, /* col movement is relative */
308 R_RELATIVE = 2, /* row movement is relative */
309 RELATIVE = C_RELATIVE | R_RELATIVE,
310 };
311
312 /* modes for rxvt_term::scr_insdel_chars (), rxvt_term::scr_insdel_lines () */
313 enum {
314 INSERT = -1, /* don't change these values */
315 DELETE = +1,
316 ERASE = +2,
317 };
318
319 /* modes for rxvt_term::scr_page () - scroll page. used by scrollbar window */
320 enum page_dirn {
321 UP,
322 DN,
323 NO_DIR,
324 };
325
326 /* arguments for rxvt_term::scr_change_screen () */
327 enum {
328 PRIMARY = 0,
329 SECONDARY,
330 };
331
332 // define various rendition bits and masks. the rendition word
333 // is 32 bits in size, and we should use it as efficiently as possible
334
335 #define RS_None 0
336
337 // GET_BGATTR depends on RS_fgShift > RS_bgShift
338 #define RS_colorMask ((1UL << Color_Bits) - 1UL)
339 #define RS_bgShift 0
340 #define RS_fgShift (RS_bgShift + Color_Bits)
341 #define RS_bgMask (RS_colorMask << RS_bgShift)
342 #define RS_fgMask (RS_colorMask << RS_fgShift)
343
344 // must have space for rxvt_fontset::fontCount * 2 + 2 values
345 #define RS_fontShift (RS_fgShift + Color_Bits)
346 #define RS_Careful (1UL << RS_fontShift) /* be careful when drawing these */
347 #define RS_fontCount rxvt_fontset::fontCount
348 #define RS_fontMask ((RS_fontCount << (RS_fontShift + 1)) | RS_Careful) // includes RS_Careful
349
350 // toggle this to force redraw, must be != RS_Careful and otherwise "pretty neutral"
351 #define RS_redraw (2UL << RS_fontShift)
352
353 #define RS_Sel (1UL << 22)
354
355 // 4 custom bits for extensions
356 #define RS_customCount 16UL
357 #define RS_customShift 23
358 #define RS_customMask ((RS_customCount - 1UL) << RS_customShift)
359
360 // font styles
361 #define RS_Bold (1UL << RS_styleShift)
362 #define RS_Italic (2UL << RS_styleShift)
363
364 #define RS_styleCount 4
365 #define RS_styleShift 27
366 #define RS_styleMask (RS_Bold | RS_Italic)
367
368 // fake styles
369 #define RS_Blink (1UL << 29)
370 #define RS_RVid (1UL << 30) // reverse video
371 #define RS_Uline (1UL << 31) // underline
372
373 #define RS_baseattrMask (RS_Italic | RS_Bold | RS_Blink | RS_RVid | RS_Uline)
374 #define RS_attrMask (RS_baseattrMask | RS_fontMask)
375
376 #define DEFAULT_RSTYLE (RS_None | (Color_fg << RS_fgShift) | (Color_bg << RS_bgShift))
377 #define OVERLAY_RSTYLE (RS_None | (Color_Black << RS_fgShift) | (Color_Yellow << RS_bgShift))
378
379 enum {
380 C0_NUL = 0x00,
381 C0_SOH, C0_STX, C0_ETX, C0_EOT, C0_ENQ, C0_ACK, C0_BEL,
382 C0_BS , C0_HT , C0_LF , C0_VT , C0_FF , C0_CR , C0_SO , C0_SI ,
383 C0_DLE, C0_DC1, C0_DC2, D0_DC3, C0_DC4, C0_NAK, C0_SYN, C0_ETB,
384 C0_CAN, C0_EM , C0_SUB, C0_ESC, C0_IS4, C0_IS3, C0_IS2, C0_IS1,
385 };
386 #define CHAR_ST 0x9c /* 0234 */
387
388 /*
389 * XTerm Operating System Commands: ESC ] Ps;Pt (ST|BEL)
390 * colour extensions by Christian W. Zuckschwerdt <zany@triq.net>
391 */
392 enum {
393 XTerm_name = 0,
394 XTerm_iconName = 1,
395 XTerm_title = 2,
396 XTerm_property = 3, // change X property
397 XTerm_Color = 4, // change colors
398 XTerm_Color00 = 10, // change fg color
399 XTerm_Color01 = 11, // change bg color
400 XTerm_Color_cursor = 12, // change actual 'Cursor' color
401 XTerm_Color_pointer_fg = 13, // change actual 'Pointer' fg color
402 XTerm_Color_pointer_bg = 14, // change actual 'Pointer' bg color
403 XTerm_Color05 = 15, // not implemented (tektronix fg)
404 XTerm_Color06 = 16, // not implemented (tektronix bg)
405 XTerm_Color_HC = 17, // change actual 'Highlight' bg color
406 XTerm_Color_HTC = 19, // change actual 'Highlight' fg color
407 XTerm_logfile = 46, // not implemented
408 XTerm_font = 50,
409
410 XTerm_konsole30 = 30, // reserved for konsole
411 XTerm_konsole31 = 31, // reserved for konsole
412 XTerm_emacs51 = 51, // reserved for emacs shell
413 /*
414 * rxvt extensions of XTerm OSCs: ESC ] Ps;Pt (ST|BEL)
415 */
416
417 // deprecated
418 Rxvt_restoreFG = 39,
419 Rxvt_restoreBG = 49,
420
421 Rxvt_Pixmap = 20, // new bg pixmap
422 Rxvt_dumpscreen = 55, // dump scrollback and all of screen
423
424 URxvt_locale = 701, // change locale
425 URxvt_version = 702, // request version
426
427 URxvt_Color_IT = 704, // change actual 'Italic' colour
428 URxvt_Color_tint = 705, // change actual tint colour
429 URxvt_Color_BD = 706, // change actual 'Bold' color
430 URxvt_Color_UL = 707, // change actual 'Underline' color
431 URxvt_Color_border = 708,
432
433 URxvt_font = 710,
434 URxvt_boldFont = 711,
435 URxvt_italicFont = 712,
436 URxvt_boldItalicFont = 713,
437
438 URxvt_view_up = 720,
439 URxvt_view_down = 721,
440
441 URxvt_perl = 777, // for use by perl extensions, starts with "extension-name;"
442 };
443
444 /* Words starting with `Color_' are colours. Others are counts */
445 /*
446 * The PixColor and rendition colour usage should probably be decoupled
447 * on the unnecessary items, e.g. Color_pointer, but won't bother
448 * until we need to. Also, be aware of usage in pixcolor_set
449 */
450
451 enum colour_list {
452 Color_none = -2,
453 Color_transparent = -1,
454 Color_fg = 0,
455 Color_bg,
456 minCOLOR, /* 2 */
457 Color_Black = minCOLOR,
458 Color_Red3,
459 Color_Green3,
460 Color_Yellow3,
461 Color_Blue3,
462 Color_Magenta3,
463 Color_Cyan3,
464 maxCOLOR, /* minCOLOR + 7 */
465 #ifndef NO_BRIGHTCOLOR
466 Color_AntiqueWhite = maxCOLOR,
467 minBrightCOLOR, /* maxCOLOR + 1 */
468 Color_Grey25 = minBrightCOLOR,
469 Color_Red,
470 Color_Green,
471 Color_Yellow,
472 Color_Blue,
473 Color_Magenta,
474 Color_Cyan,
475 maxBrightCOLOR, /* minBrightCOLOR + 7 */
476 Color_White = maxBrightCOLOR,
477 #else
478 Color_White = maxCOLOR,
479 #endif
480 minTermCOLOR = Color_White + 1,
481 #if USE_256_COLORS
482 maxTermCOLOR = Color_White + 240,
483 #else
484 maxTermCOLOR = Color_White + 72,
485 #endif
486 #ifndef NO_CURSORCOLOR
487 Color_cursor,
488 Color_cursor2,
489 #endif
490 Color_pointer_fg,
491 Color_pointer_bg,
492 Color_border,
493 #ifndef NO_BOLD_UNDERLINE_REVERSE
494 Color_BD,
495 Color_IT,
496 Color_UL,
497 Color_RV,
498 #endif
499 #if ENABLE_FRILLS
500 Color_underline,
501 #endif
502 #ifdef OPTION_HC
503 Color_HC,
504 Color_HTC,
505 #endif
506 Color_scroll,
507 #ifdef RXVT_SCROLLBAR
508 Color_trough,
509 #endif
510 #if ENABLE_TRANSPARENCY
511 Color_tint,
512 #endif
513 #if OFF_FOCUS_FADING
514 Color_fade,
515 #endif
516 NRS_COLORS, /* */
517 #ifdef RXVT_SCROLLBAR
518 Color_topShadow = NRS_COLORS,
519 Color_bottomShadow,
520 TOTAL_COLORS
521 #else
522 TOTAL_COLORS = NRS_COLORS
523 #endif
524 };
525
526 #if USE_256_COLORS
527 # define Color_Bits 9 // 0 .. maxTermCOLOR
528 #else
529 # define Color_Bits 7 // 0 .. maxTermCOLOR
530 #endif
531
532 /*
533 * Resource list
534 */
535 enum {
536 # define def(name) Rs_ ## name,
537 # define reserve(name,count) Rs_ ## name ## _ = Rs_ ## name + (count) - 1,
538 # include "rsinc.h"
539 # undef def
540 # undef reserve
541 NUM_RESOURCES
542 };
543
544 /* DEC private modes */
545 #define PrivMode_132 (1UL<<0)
546 #define PrivMode_132OK (1UL<<1)
547 #define PrivMode_rVideo (1UL<<2)
548 #define PrivMode_relOrigin (1UL<<3)
549 #define PrivMode_Screen (1UL<<4)
550 #define PrivMode_Autowrap (1UL<<5)
551 #define PrivMode_aplCUR (1UL<<6)
552 #define PrivMode_aplKP (1UL<<7)
553 #define PrivMode_HaveBackSpace (1UL<<8)
554 #define PrivMode_BackSpace (1UL<<9)
555 #define PrivMode_ShiftKeys (1UL<<10)
556 #define PrivMode_VisibleCursor (1UL<<11)
557 #define PrivMode_MouseX10 (1UL<<12)
558 #define PrivMode_MouseX11 (1UL<<13)
559 #define PrivMode_scrollBar (1UL<<14)
560 #define PrivMode_TtyOutputInh (1UL<<15)
561 #define PrivMode_Keypress (1UL<<16)
562 #define PrivMode_smoothScroll (1UL<<17)
563 #define PrivMode_vt52 (1UL<<18)
564 #define PrivMode_LFNL (1UL<<19)
565 #define PrivMode_MouseBtnEvent (1UL<<20)
566 #define PrivMode_MouseAnyEvent (1UL<<21)
567 #define PrivMode_BracketPaste (1UL<<22)
568 #define PrivMode_ExtModeMouse (1UL<<23) // xterm pseudo-utf-8 hack
569 #define PrivMode_ExtMouseRight (1UL<<24) // xterm pseudo-utf-8, but works in non-utf-8-locales
570
571 #define PrivMode_mouse_report (PrivMode_MouseX10|PrivMode_MouseX11|PrivMode_MouseBtnEvent|PrivMode_MouseAnyEvent)
572
573 #ifdef ALLOW_132_MODE
574 # define PrivMode_Default (PrivMode_Autowrap|PrivMode_ShiftKeys|PrivMode_VisibleCursor|PrivMode_132OK)
575 #else
576 # define PrivMode_Default (PrivMode_Autowrap|PrivMode_ShiftKeys|PrivMode_VisibleCursor)
577 #endif
578
579 // do not change these constants lightly, there are many interdependencies
580 #define IMBUFSIZ 128 // input modifier buffer sizes
581 #define KBUFSZ 512 // size of keyboard mapping buffer
582 #define CBUFSIZ 2048 // size of command buffer
583 #define CBUFCNT 8 // never call pty_fill/cmd_parse more than this often in a row
584 #define UBUFSIZ 2048 // character buffer
585
586 #if ENABLE_FRILLS
587 # include <X11/Xmd.h>
588 typedef struct _mwmhints
589 {
590 CARD32 flags;
591 CARD32 functions;
592 CARD32 decorations;
593 INT32 input_mode;
594 CARD32 status;
595 } MWMHints;
596 #endif
597
598 /* Motif window hints */
599 #define MWM_HINTS_FUNCTIONS (1L << 0)
600 #define MWM_HINTS_DECORATIONS (1L << 1)
601 #define MWM_HINTS_INPUT_MODE (1L << 2)
602 #define MWM_HINTS_STATUS (1L << 3)
603 /* bit definitions for MwmHints.functions */
604 #define MWM_FUNC_ALL (1L << 0)
605 #define MWM_FUNC_RESIZE (1L << 1)
606 #define MWM_FUNC_MOVE (1L << 2)
607 #define MWM_FUNC_MINIMIZE (1L << 3)
608 #define MWM_FUNC_MAXIMIZE (1L << 4)
609 #define MWM_FUNC_CLOSE (1L << 5)
610 /* bit definitions for MwmHints.decorations */
611 #define MWM_DECOR_ALL (1L << 0)
612 #define MWM_DECOR_BORDER (1L << 1)
613 #define MWM_DECOR_RESIZEH (1L << 2)
614 #define MWM_DECOR_TITLE (1L << 3)
615 #define MWM_DECOR_MENU (1L << 4)
616 #define MWM_DECOR_MINIMIZE (1L << 5)
617 #define MWM_DECOR_MAXIMIZE (1L << 6)
618 /* bit definitions for MwmHints.inputMode */
619 #define MWM_INPUT_MODELESS 0
620 #define MWM_INPUT_PRIMARY_APPLICATION_MODAL 1
621 #define MWM_INPUT_SYSTEM_MODAL 2
622 #define MWM_INPUT_FULL_APPLICATION_MODAL 3
623 #define PROP_MWM_HINTS_ELEMENTS 5
624
625 /*
626 *****************************************************************************
627 * MACRO DEFINES
628 *****************************************************************************
629 */
630
631 // speed hack, copy some member variable into a local variable of the same name
632 #define dLocal(type,name) type const name = this->name
633
634 // for speed reasons, we assume that all codepoints 32 to 126 are
635 // single-width.
636 #define WCWIDTH(c) (IN_RANGE_INC (c, 0x20, 0x7e) ? 1 : wcwidth (c))
637
638 /* convert pixel dimensions to row/column values. Everything as int32_t */
639 #define Pixel2Col(x) Pixel2Width((int32_t)(x))
640 #define Pixel2Row(y) Pixel2Height((int32_t)(y))
641 #define Pixel2Width(x) ((int32_t)(x) / (int32_t)fwidth)
642 #define Pixel2Height(y) ((int32_t)(y) / (int32_t)fheight)
643 #define Col2Pixel(col) ((int32_t)Width2Pixel(col))
644 #define Row2Pixel(row) ((int32_t)Height2Pixel(row))
645 #define Width2Pixel(n) ((int32_t)(n) * (int32_t)fwidth)
646 #define Height2Pixel(n) ((int32_t)(n) * (int32_t)fheight)
647
648 #define LINENO_of(t,n) MOD ((t)->term_start + int(n), (t)->total_rows)
649 #define ROW_of(t,n) (t)->row_buf [LINENO_of ((t), n)]
650
651 #define LINENO(n) LINENO_of (this, n)
652 #define ROW(n) ROW_of (this, n)
653
654 /* how to build & extract colors and attributes */
655 #define GET_BASEFG(x) (((x) & RS_fgMask) >> RS_fgShift)
656 #define GET_BASEBG(x) (((x) & RS_bgMask) >> RS_bgShift)
657
658 #define GET_FONT(x) (((x) & RS_fontMask) >> RS_fontShift)
659 #define SET_FONT(x,fid) (((x) & ~RS_fontMask) | ((fid) << RS_fontShift))
660
661 #define GET_STYLE(x) (((x) & RS_styleMask) >> RS_styleShift)
662 #define SET_STYLE(x,style) (((x) & ~RS_styleMask) | ((style) << RS_styleShift))
663
664 #define GET_ATTR(x) (((x) & RS_attrMask))
665 // return attributes defining the background, encoding doesn't matter
666 // depends on RS_fgShift > RS_bgShift
667 #define GET_BGATTR(x) \
668 (ecb_unlikely ((x) & RS_RVid) \
669 ? (((x) & (RS_attrMask & ~RS_RVid)) \
670 | (((x) & RS_fgMask) >> (RS_fgShift - RS_bgShift))) \
671 : ((x) & (RS_attrMask | RS_bgMask)))
672 #define SET_FGCOLOR(x,fg) (((x) & ~RS_fgMask) | ((fg) << RS_fgShift))
673 #define SET_BGCOLOR(x,bg) (((x) & ~RS_bgMask) | ((bg) << RS_bgShift))
674 #define SET_ATTR(x,a) (((x) & ~RS_attrMask) | (a))
675
676 #define RS_SAME(a,b) (!(((a) ^ (b)) & ~RS_Careful))
677
678 #define PIXCOLOR_NAME(idx) rs[Rs_color + (idx)]
679 #define ISSET_PIXCOLOR(idx) (!!rs[Rs_color + (idx)])
680
681 #if ENABLE_STYLES
682 # define FONTSET_of(t,style) (t)->fontset[GET_STYLE (style)]
683 #else
684 # define FONTSET_of(t,style) (t)->fontset[0]
685 #endif
686
687 #define FONTSET(style) FONTSET_of (this, style)
688
689 typedef callback<void (const char *)> log_callback;
690 typedef callback<int (int)> getfd_callback;
691
692 /****************************************************************************/
693
694 #define LINE_LONGER 0x0001 // line is continued on the next row
695 #define LINE_FILTERED 0x0002 // line has been filtered
696 #define LINE_COMPRESSED 0x0004 // line has been compressed (NYI)
697 #define LINE_FILTER 0x0008 // line needs to be filtered before display (NYI)
698 #define LINE_BIDI 0x0010 // line needs bidi (NYI)
699
700 struct line_t
701 {
702 text_t *t; // terminal the text
703 rend_t *r; // rendition, uses RS_ flags
704 tlen_t_ l; // length of each text line
705 uint32_t f; // flags
706
707 bool is_longer ()
708 {
709 return f & LINE_LONGER;
710 }
711
712 void is_longer (int set)
713 {
714 if (set)
715 f |= LINE_LONGER;
716 else
717 f &= ~LINE_LONGER;
718 }
719
720 void clear ()
721 {
722 t = 0;
723 r = 0;
724 l = 0;
725 f = 0;
726 }
727
728 void touch () // call whenever a line is changed/touched/updated
729 {
730 #if ENABLE_PERL
731 f &= ~LINE_FILTERED;
732 #endif
733 }
734
735 void touch (int col)
736 {
737 max_it (l, col);
738 touch ();
739 }
740 };
741
742 /****************************************************************************/
743
744 // primitive wrapper around mbstate_t to ensure initialisation
745 struct mbstate
746 {
747 mbstate_t mbs;
748
749 operator mbstate_t *() { return &mbs; }
750 void reset () { memset (&mbs, 0, sizeof (mbs)); }
751 mbstate () { reset (); }
752 };
753
754 /****************************************************************************/
755
756 #define UNICODE_MASK 0x1fffffUL
757
758 #if UNICODE_3
759 # define COMPOSE_LO 0x40000000UL
760 # define COMPOSE_HI 0x400fffffUL
761 # define IS_COMPOSE(n) ((int32_t)(n) >= COMPOSE_LO)
762 #else
763 # if ENABLE_PERL
764 # define COMPOSE_LO 0xe000UL // our _own_ functions don't like (illegal) surrogates
765 # define COMPOSE_HI 0xf8ffUL // in utf-8, so use private use area only
766 # else
767 # define COMPOSE_LO 0xd800UL
768 # define COMPOSE_HI 0xf8ffUL
769 # endif
770 # define IS_COMPOSE(n) IN_RANGE_INC ((n), COMPOSE_LO, COMPOSE_HI)
771 #endif
772
773 #if ENABLE_COMBINING
774 // compose chars are used to represent composite characters
775 // that are not representable in unicode, as well as characters
776 // not fitting in the BMP.
777 struct compose_char
778 {
779 unicode_t c1, c2; // any chars != NOCHAR are valid
780 compose_char (unicode_t c1, unicode_t c2)
781 : c1(c1), c2(c2)
782 { }
783 };
784
785 class rxvt_composite_vec
786 {
787 vector<compose_char> v;
788 public:
789 text_t compose (unicode_t c1, unicode_t c2 = NOCHAR);
790 int expand (unicode_t c, wchar_t *r);
791 compose_char *operator [](text_t c)
792 {
793 return c >= COMPOSE_LO && c < COMPOSE_LO + v.size ()
794 ? &v[c - COMPOSE_LO]
795 : 0;
796 }
797 };
798
799 extern class rxvt_composite_vec rxvt_composite;
800 #endif
801
802 /****************************************************************************/
803
804 #ifdef KEYSYM_RESOURCE
805 class keyboard_manager;
806 #endif
807
808 typedef struct rxvt_term *rxvt_t;
809
810 extern rxvt_t rxvt_current_term;
811
812 #define SET_R(r) rxvt_current_term = const_cast<rxvt_term *>(r)
813 #define GET_R rxvt_current_term
814
815 /* ------------------------------------------------------------------------- */
816 struct overlay_base
817 {
818 int x, y, w, h; // overlay dimensions
819 text_t **text;
820 rend_t **rend;
821
822 // while tempting to add swap() etc. here, it effectively only increases code size
823 };
824
825 /* ------------------------------------------------------------------------- */
826
827 typedef struct
828 {
829 int row;
830 int col;
831 } row_col_t;
832
833 /*
834 * terminal limits:
835 *
836 * width : 1 <= width
837 * height : 1 <= height
838 * ncol : 1 <= ncol <= MAX(tlen_t)
839 * nrow : 1 <= nrow <= MAX(int)
840 * saveLines : 0 <= saveLines <= MAX(int)
841 * term_start : 0 <= term_start < saveLines
842 * total_rows : nrow + saveLines
843 *
844 * top_row : -saveLines <= top_row <= 0
845 * view_start : top_row <= view_start <= 0
846 *
847 * | most coordinates are stored relative to term_start,
848 * ROW_BUF | which is the first line of the terminal screen
849 * |························= row_buf[0]
850 * |························= row_buf[1]
851 * |························= row_buf[2] etc.
852 * |
853 * +------------+···········= term_start + top_row
854 * | scrollback |
855 * | scrollback +---------+·= term_start + view_start
856 * | scrollback | display |
857 * | scrollback | display |
858 * +------------+·display·+·= term_start
859 * | terminal | display |
860 * | terminal +---------+
861 * | terminal |
862 * | terminal |
863 * +------------+···········= term_start + nrow - 1
864 * |
865 * |
866 * END······················= total_rows
867 */
868
869 struct TermWin_t
870 {
871 int vt_width; /* actual window width [pixels] */
872 int vt_height; /* actual window height [pixels] */
873 int width; /* window width [pixels] */
874 int height; /* window height [pixels] */
875 int fwidth; /* font width [pixels] */
876 int fheight; /* font height [pixels] */
877 int fbase; /* font ascent (baseline) [pixels] */
878 int ncol; /* window columns [characters] */
879 int nrow; /* window rows [characters] */
880 int focus; /* window has focus */
881 int mapped; /* window state mapped? */
882 int int_bwidth; /* internal border width */
883 int ext_bwidth; /* external border width */
884 int lineSpace; /* number of extra pixels between rows */
885 int letterSpace; /* number of extra pixels between columns */
886 int saveLines; /* number of lines that fit in scrollback */
887 int total_rows; /* total number of rows in this terminal */
888 int term_start; /* term lines start here */
889 int view_start; /* scrollback view starts here */
890 int top_row; /* topmost row index of scrollback */
891 Window parent; /* parent identifier */
892 Window vt; /* vt100 window */
893 GC gc; /* GC for drawing */
894 rxvt_drawable *drawable;
895 rxvt_fontset *fontset[4];
896 };
897
898 /*
899 * screen accounting:
900 * screen_t elements
901 * row: Cursor row position : 0 <= row < nrow
902 * col: Cursor column position : 0 <= col < ncol
903 * tscroll: Scrolling region top row inclusive : 0 <= row < nrow
904 * bscroll: Scrolling region bottom row inclusive : 0 <= row < nrow
905 *
906 * selection_t elements
907 * clicks: 1, 2 or 3 clicks - 4 indicates a special condition of 1 where
908 * nothing is selected
909 * beg: row/column of beginning of selection : never past mark
910 * mark: row/column of initial click : never past end
911 * end: row/column of one character past end of selection
912 * * Note: top_row <= beg.row <= mark.row <= end.row < nrow
913 * * Note: col == -1 ==> we're left of screen
914 *
915 */
916 struct screen_t
917 {
918 row_col_t cur; /* cursor position on the screen */
919 int tscroll; /* top of settable scroll region */
920 int bscroll; /* bottom of settable scroll region */
921 unsigned int charset; /* character set number [0..3] */
922 unsigned int flags; /* see below */
923 row_col_t s_cur; /* saved cursor position */
924 unsigned int s_charset; /* saved character set number [0..3] */
925 char s_charset_char;
926 rend_t s_rstyle; /* saved rendition style */
927 };
928
929 enum selection_op_t
930 {
931 SELECTION_CLEAR = 0, /* nothing selected */
932 SELECTION_INIT, /* marked a point */
933 SELECTION_BEGIN, /* started a selection */
934 SELECTION_CONT, /* continued selection */
935 SELECTION_DONE /* selection put in CUT_BUFFER0 */
936 };
937
938 struct selection_t
939 {
940 wchar_t *text; /* selected text */
941 unsigned int len; /* length of selected text */
942 unsigned int screen; /* screen being used */
943 unsigned int clicks; /* number of clicks */
944 selection_op_t op; /* current operation */
945 bool rect; /* rectangular selection? */
946 row_col_t beg; /* beginning of selection <= mark */
947 row_col_t mark; /* point of initial click <= end */
948 row_col_t end; /* one character past end point */
949 wchar_t *clip_text; /* text copied to the clipboard */
950 unsigned int clip_len; /* length of clipboard text */
951 };
952
953 /* ------------------------------------------------------------------------- */
954
955 /* screen_t flags */
956 #define Screen_Relative (1<<0) /* relative origin mode flag */
957 #define Screen_VisibleCursor (1<<1) /* cursor visible? */
958 #define Screen_Autowrap (1<<2) /* auto-wrap flag */
959 #define Screen_Insert (1<<3) /* insert mode (vs. overstrike) */
960 #define Screen_WrapNext (1<<4) /* need to wrap for next char? */
961 #define Screen_DefaultFlags (Screen_VisibleCursor | Screen_Autowrap)
962
963 /* rxvt_vars.options */
964 enum {
965 # define def(name) Opt_ ## name,
966 # define nodef(name) Opt_prev_ ## name, Opt_ ## name = 0, Opt_next_ ## name = Opt_prev_ ## name - 1,
967 Opt_0,
968 # include "optinc.h"
969 # undef nodef
970 # undef def
971 Opt_count
972 };
973
974 /* ------------------------------------------------------------------------- */
975
976 struct rxvt_vars : TermWin_t
977 {
978 scrollBar_t scrollBar;
979 uint8_t options[(Opt_count + 7) >> 3];
980 XSizeHints szHint;
981 rxvt_color *pix_colors;
982 Cursor TermWin_cursor; /* cursor for vt window */
983 line_t *row_buf; // all lines, scrollback + terminal, circular
984 line_t *drawn_buf; // text on screen
985 line_t *swap_buf; // lines for swap buffer
986 char *tabs; /* per location: 1 == tab-stop */
987 screen_t screen;
988 screen_t swap;
989 selection_t selection;
990 rxvt_color pix_colors_focused[TOTAL_COLORS];
991 #ifdef OFF_FOCUS_FADING
992 rxvt_color pix_colors_unfocused[TOTAL_COLORS];
993 #endif
994 };
995
996 struct rxvt_term : zero_initialized, rxvt_vars, rxvt_screen
997 {
998
999 // special markers with magic addresses
1000 static const char resval_undef []; // options specifically unset
1001 static const char resval_on []; // boolean options switched on
1002 static const char resval_off []; // or off
1003
1004 log_callback *log_hook; // log error messages through this hook, if != 0
1005 getfd_callback *getfd_hook; // convert remote to local fd, if != 0
1006 #if ENABLE_PERL
1007 rxvt_perl_term perl;
1008 #endif
1009 struct mbstate mbstate; // current input multibyte state
1010
1011 unsigned char want_refresh:1,
1012 current_screen:1, /* primary or secondary */
1013 num_scr_allow:1,
1014 bypass_keystate:1,
1015 #if ENABLE_FRILLS
1016 urgency_hint:1,
1017 #endif
1018 #if CURSOR_BLINK
1019 hidden_cursor:1,
1020 #endif
1021 #if TEXT_BLINK
1022 hidden_text:1,
1023 #endif
1024 #if POINTER_BLANK
1025 hidden_pointer:1,
1026 #endif
1027 enc_utf8:1, /* whether locale uses utf-8 */
1028 seen_input:1, /* whether we have seen some program output yet */
1029 seen_resize:1, /* whether we had a resize event */
1030 init_done:1,
1031 parsed_geometry:1;
1032
1033 unsigned char refresh_type,
1034 #ifdef META8_OPTION
1035 meta_char; /* Alt-key prefix */
1036 #endif
1037 /* ---------- */
1038 bool rvideo_state, rvideo_mode;
1039 #ifndef NO_BELL
1040 bool rvideo_bell;
1041 #endif
1042 int num_scr; /* screen: number of lines scrolled */
1043 int prev_ncol, /* screen: previous number of columns */
1044 prev_nrow; /* screen: previous number of rows */
1045 /* ---------- */
1046 rend_t rstyle;
1047 /* ---------- */
1048 #ifdef SELECTION_SCROLLING
1049 int scroll_selection_lines;
1050 enum page_dirn scroll_selection_dir;
1051 int selection_save_x,
1052 selection_save_y,
1053 selection_save_state;
1054 #endif
1055 /* ---------- */
1056 int csrO, /* Hops - csr offset in thumb/slider to */
1057 /* give proper Scroll behaviour */
1058 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1059 mouse_slip_wheel_speed,
1060 #endif
1061 refresh_count,
1062 window_vt_x,
1063 window_vt_y,
1064 mouse_row,
1065 mouse_col,
1066 # ifdef POINTER_BLANK
1067 pointerBlankDelay,
1068 # endif
1069 allowedxerror;
1070 /* ---------- */
1071 unsigned int ModLevel3Mask,
1072 ModMetaMask,
1073 ModNumLockMask;
1074 unsigned long priv_modes,
1075 SavedModes;
1076 /* ---------- */
1077 Atom *xa;
1078 /* ---------- */
1079 Time selection_time,
1080 clipboard_time;
1081 rxvt_selection *selection_req;
1082 pid_t cmd_pid; /* process id of child */
1083 /* ---------- */
1084 struct mouse_event MEvent;
1085 XComposeStatus compose;
1086 static struct termios def_tio;
1087 row_col_t oldcursor;
1088 #ifdef HAVE_BG_PIXMAP
1089 void bg_init ();
1090 void bg_destroy ();
1091
1092 enum {
1093 //subset returned by make_transparency_pixmap
1094 BG_IS_VALID = 1 << 0,
1095 BG_NEEDS_TINT = 1 << 1,
1096 BG_NEEDS_BLUR = 1 << 2,
1097
1098 BG_EFFECTS_FLAGS = BG_NEEDS_TINT | BG_NEEDS_BLUR,
1099
1100 BG_KEEP_ASPECT = 1 << 3,
1101 BG_ROOT_ALIGN = 1 << 4,
1102 BG_TILE = 1 << 14,
1103 BG_GEOMETRY_FLAGS = BG_KEEP_ASPECT | BG_ROOT_ALIGN | BG_TILE,
1104
1105 BG_TINT_SET = 1 << 5,
1106 BG_TINT_BITAND = 1 << 6,
1107 BG_TINT_FLAGS = BG_NEEDS_TINT | BG_TINT_BITAND,
1108
1109 BG_HAS_RENDER = 1 << 7,
1110 BG_HAS_RENDER_CONV = 1 << 8,
1111 BG_CLIENT_RENDER = 1 << 9,
1112
1113 BG_IS_TRANSPARENT = 1 << 10,
1114 BG_NEEDS_REFRESH = 1 << 11,
1115 BG_IS_SIZE_SENSITIVE = 1 << 12,
1116 BG_IS_FROM_FILE = 1 << 13,
1117 };
1118
1119 unsigned int bg_flags;
1120
1121 # ifdef BG_IMAGE_FROM_FILE
1122 void get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y);
1123 bool render_image (unsigned long tr_flags);
1124
1125 enum {
1126 noScale = 0,
1127 windowScale = 100,
1128 defaultScale = windowScale,
1129 centerAlign = 50,
1130 defaultAlign = centerAlign,
1131 };
1132
1133 unsigned int h_scale, v_scale; /* percents of the window size */
1134 int h_align, v_align; /* percents of the window size:
1135 0 - left align, 50 - center, 100 - right */
1136
1137 bool bg_set_geometry (const char *geom, bool update = false);
1138 void bg_set_default_geometry ()
1139 {
1140 h_scale = v_scale = defaultScale;
1141 h_align = v_align = defaultAlign;
1142 }
1143
1144 bool bg_set_file (const char *file);
1145 # endif
1146
1147 # ifdef ENABLE_TRANSPARENCY
1148 Pixmap root_pixmap; /* current root pixmap set */
1149 rxvt_color tint;
1150 int shade;
1151 int h_blurRadius, v_blurRadius;
1152
1153 bool bg_set_transparent ();
1154 void bg_set_root_pixmap ();
1155 void set_tint_shade_flags ();
1156 bool bg_set_tint (rxvt_color &new_tint);
1157 bool bg_set_shade (const char *shade_str);
1158 bool bg_set_blur (const char *geom);
1159
1160 bool blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height, int depth);
1161 bool tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height);
1162 void tint_ximage (Visual *visual, XImage *ximage);
1163 unsigned long make_transparency_pixmap ();
1164 # endif
1165
1166 ev_tstamp bg_valid_since;
1167
1168 Pixmap bg_pixmap;
1169 unsigned int bg_pmap_width, bg_pmap_height;
1170
1171 int target_x;
1172 int target_y;
1173 bool bg_set_position (int x, int y);
1174 bool bg_window_size_sensitive ();
1175 bool bg_window_position_sensitive ();
1176
1177 bool bg_render ();
1178 void bg_invalidate ()
1179 {
1180 bg_flags &= ~BG_IS_VALID;
1181 }
1182 #endif
1183 #ifdef HAVE_AFTERIMAGE
1184 ASImage *original_asim;
1185 ASVisual *asv;
1186 ASImageManager *asimman;
1187
1188 void init_asv ()
1189 {
1190 if (!asv)
1191 asv = create_asvisual_for_id (dpy, display->screen, depth, XVisualIDFromVisual (visual), cmap, NULL);
1192 }
1193 #endif
1194 #ifdef HAVE_PIXBUF
1195 GdkPixbuf *pixbuf;
1196 bool pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
1197 int src_x, int src_y, int dst_x, int dst_y,
1198 unsigned int width, unsigned int height);
1199 #endif
1200
1201 #if ENABLE_OVERLAY
1202 overlay_base ov;
1203
1204 void scr_swap_overlay () NOTHROW;
1205 void scr_overlay_new (int x, int y, int w, int h) NOTHROW;
1206 void scr_overlay_off () NOTHROW;
1207 void scr_overlay_set (int x, int y,
1208 text_t text,
1209 rend_t rend = OVERLAY_RSTYLE) NOTHROW;
1210 void scr_overlay_set (int x, int y, const char *s) NOTHROW;
1211 void scr_overlay_set (int x, int y, const wchar_t *s) NOTHROW;
1212 #endif
1213
1214 vector<void *> allocated; // free these memory blocks with free()
1215
1216 char *locale;
1217 char charsets[4];
1218 char *v_buffer; /* pointer to physical buffer */
1219 unsigned int v_buflen; /* size of area to write */
1220 stringvec *argv, *envv; /* if != 0, will be freed at destroy time */
1221
1222 #ifdef KEYSYM_RESOURCE
1223 keyboard_manager *keyboard;
1224 #endif
1225 #ifndef NO_RESOURCES
1226 XrmDatabase option_db;
1227 #endif
1228
1229 const char *rs[NUM_RESOURCES];
1230 /* command input buffering */
1231 char *cmdbuf_ptr, *cmdbuf_endp;
1232 char cmdbuf_base[CBUFSIZ];
1233
1234 ptytty *pty;
1235
1236 rxvt_salloc *talloc; // text line allocator
1237 rxvt_salloc *ralloc; // rend line allocator
1238
1239 static vector<rxvt_term *> termlist; // a vector of all running rxvt_term's
1240
1241 #if ENABLE_FRILLS || ISO_14755
1242 // ISO 14755 entry support
1243 unicode_t iso14755buf;
1244 void commit_iso14755 ();
1245 # if ISO_14755
1246 void iso14755_51 (unicode_t ch, rend_t r = DEFAULT_RSTYLE, int x = 0, int y = -1);
1247 void iso14755_54 (int x, int y);
1248 # endif
1249 #endif
1250
1251 long vt_emask, vt_emask_perl, vt_emask_xim, vt_emask_mouse;
1252
1253 void vt_select_input () const NOTHROW
1254 {
1255 XSelectInput (dpy, vt, vt_emask | vt_emask_perl | vt_emask_xim | vt_emask_mouse);
1256 }
1257
1258 #if ENABLE_TRANSPARENCY || ENABLE_PERL
1259 void rootwin_cb (XEvent &xev);
1260 xevent_watcher rootwin_ev;
1261 #endif
1262 #ifdef HAVE_BG_PIXMAP
1263 void update_background ();
1264 void update_background_cb (ev::timer &w, int revents);
1265 ev::timer update_background_ev;
1266 #endif
1267
1268 void x_cb (XEvent &xev);
1269 xevent_watcher termwin_ev;
1270 xevent_watcher vt_ev;
1271 xevent_watcher scrollbar_ev;
1272
1273 void child_cb (ev::child &w, int revents); ev::child child_ev;
1274 void destroy_cb (ev::idle &w, int revents); ev::idle destroy_ev;
1275 void refresh_check ();
1276 void flush ();
1277 void flush_cb (ev::timer &w, int revents); ev::timer flush_ev;
1278 void cmdbuf_reify ();
1279 void cmdbuf_append (const char *str, size_t count);
1280 bool pty_fill ();
1281 void pty_cb (ev::io &w, int revents); ev::io pty_ev;
1282
1283 #ifdef CURSOR_BLINK
1284 void cursor_blink_cb (ev::timer &w, int revents); ev::timer cursor_blink_ev;
1285 #endif
1286 #ifdef TEXT_BLINK
1287 void text_blink_cb (ev::timer &w, int revents); ev::timer text_blink_ev;
1288 #endif
1289 #ifndef NO_BELL
1290 void bell_cb (ev::timer &w, int revents); ev::timer bell_ev;
1291 #endif
1292
1293 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1294 void cont_scroll_cb (ev::timer &w, int revents); ev::timer cont_scroll_ev;
1295 #endif
1296 #ifdef SELECTION_SCROLLING
1297 void sel_scroll_cb (ev::timer &w, int revents); ev::timer sel_scroll_ev;
1298 #endif
1299 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1300 void slip_wheel_cb (ev::timer &w, int revents); ev::timer slip_wheel_ev;
1301 #endif
1302
1303 #ifdef POINTER_BLANK
1304 void pointer_cb (ev::timer &w, int revents); ev::timer pointer_ev;
1305 void pointer_blank ();
1306 #endif
1307 void pointer_unblank ();
1308
1309 void tt_printf (const char *fmt,...);
1310 void tt_write (const char *data, unsigned int len);
1311 void pty_write ();
1312
1313 void make_current () const // make this the "currently active" urxvt instance
1314 {
1315 SET_R (this);
1316 set_environ (envv);
1317 rxvt_set_locale (locale);
1318 }
1319
1320 #if USE_XIM
1321 rxvt_xim *input_method;
1322 XIC Input_Context;
1323 XIMStyle input_style;
1324 XPoint spot; // most recently sent spot position
1325
1326 void im_destroy ();
1327 void im_cb (); im_watcher im_ev;
1328 void im_set_size (XRectangle &size);
1329 void im_set_position (XPoint &pos) NOTHROW;
1330 void im_set_color (unsigned long &fg, unsigned long &bg);
1331 void im_set_preedit_area (XRectangle &preedit_rect, XRectangle &status_rect, const XRectangle &needed_rect);
1332
1333 bool im_is_running ();
1334 void im_send_spot ();
1335 bool im_get_ic (const char *modifiers);
1336 void im_set_position ();
1337 #endif
1338
1339 // command.C
1340 void key_press (XKeyEvent &ev);
1341 void key_release (XKeyEvent &ev);
1342
1343 wchar_t next_char () NOTHROW;
1344 wchar_t cmd_getc () THROW ((class out_of_input));
1345 uint32_t next_octet () NOTHROW;
1346 uint32_t cmd_get8 () THROW ((class out_of_input));
1347
1348 void cmd_parse ();
1349 void mouse_report (XButtonEvent &ev);
1350 void button_press (XButtonEvent &ev);
1351 void button_release (XButtonEvent &ev);
1352 void focus_in ();
1353 void focus_out ();
1354 #if ENABLE_FRILLS
1355 void set_urgency (bool enable);
1356 #else
1357 void set_urgency (bool enable) { }
1358 #endif
1359 void update_fade_color (unsigned int idx);
1360 #ifdef PRINTPIPE
1361 FILE *popen_printer ();
1362 int pclose_printer (FILE *stream);
1363 #endif
1364 void process_print_pipe ();
1365 void process_nonprinting (unicode_t ch);
1366 void process_escape_vt52 (unicode_t ch);
1367 void process_escape_seq ();
1368 void process_csi_seq ();
1369 void process_window_ops (const int *args, unsigned int nargs);
1370 char *get_to_st (unicode_t &ends_how);
1371 void process_dcs_seq ();
1372 void process_osc_seq ();
1373 void process_color_seq (int report, int color, const char *str, char resp);
1374 void process_xterm_seq (int op, char *str, char resp);
1375 int privcases (int mode, unsigned long bit);
1376 void process_terminal_mode (int mode, int priv, unsigned int nargs, const int *arg);
1377 void process_sgr_mode (unsigned int nargs, const int *arg);
1378 // init.C
1379 void init (stringvec *argv, stringvec *envv);
1380 void init (int argc, const char *const *argv, const char *const *envv);
1381 void init2 (int argc, const char *const *argv);
1382 void init_vars ();
1383 const char **init_resources (int argc, const char *const *argv);
1384 void init_env ();
1385 void set_locale (const char *locale);
1386 void init_xlocale ();
1387 void init_command (const char *const *argv);
1388 void run_command (const char *const *argv);
1389 int run_child (const char *const *argv);
1390 void color_aliases (int idx);
1391 void create_windows (int argc, const char *const *argv);
1392 void get_colours ();
1393 void get_ourmods ();
1394 void set_icon (const char *file);
1395 // main.C
1396 void tt_winch ();
1397 rxvt_term ();
1398 ~rxvt_term ();
1399 void destroy ();
1400 void emergency_cleanup ();
1401 void recolour_cursor ();
1402 void resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent);
1403 void window_calc (unsigned int newwidth, unsigned int newheight);
1404 bool set_fonts ();
1405 void set_string_property (Atom prop, const char *str, int len = -1);
1406 void set_mbstring_property (Atom prop, const char *str, int len = -1);
1407 void set_utf8_property (Atom prop, const char *str, int len = -1);
1408 void set_title (const char *str);
1409 void set_icon_name (const char *str);
1410 void set_window_color (int idx, const char *color);
1411 char *get_colorfgbg ();
1412 bool set_color (rxvt_color &color, const char *name);
1413 void alias_color (int dst, int src);
1414 void set_widthheight (unsigned int newwidth, unsigned int newheight);
1415 void get_window_origin (int &x, int &y);
1416 Pixmap get_pixmap_property (Atom property);
1417
1418 // screen.C
1419
1420 void lalloc (line_t &l) const
1421 {
1422 l.t = (text_t *)talloc->alloc ();
1423 l.r = (rend_t *)ralloc->alloc ();
1424 }
1425
1426 #if 0
1427 void lfree (line_t &l)
1428 {
1429 talloc->free (l.t);
1430 ralloc->free (l.r);
1431 }
1432 #endif
1433
1434 void lresize (line_t &l) const
1435 {
1436 if (!l.t)
1437 return;
1438
1439 l.t = (text_t *)talloc->alloc (l.t, prev_ncol * sizeof (text_t));
1440 l.r = (rend_t *)ralloc->alloc (l.r, prev_ncol * sizeof (rend_t));
1441
1442 l.l = min (l.l, ncol);
1443
1444 if (ncol > prev_ncol)
1445 scr_blank_line (l, prev_ncol, ncol - prev_ncol, DEFAULT_RSTYLE);
1446 }
1447
1448 int fgcolor_of (rend_t r) const NOTHROW
1449 {
1450 int base = GET_BASEFG (r);
1451 #ifndef NO_BRIGHTCOLOR
1452 if (r & RS_Bold
1453 # if ENABLE_STYLES
1454 && option (Opt_intensityStyles)
1455 # endif
1456 && IN_RANGE_EXC (base, minCOLOR, minBrightCOLOR))
1457 base += minBrightCOLOR - minCOLOR;
1458 #endif
1459 return base;
1460 }
1461
1462 int bgcolor_of (rend_t r) const NOTHROW
1463 {
1464 int base = GET_BASEBG (r);
1465 #ifndef NO_BRIGHTCOLOR
1466 if (r & RS_Blink
1467 # if ENABLE_STYLES
1468 && option (Opt_intensityStyles)
1469 # endif
1470 && IN_RANGE_EXC (base, minCOLOR, minBrightCOLOR))
1471 base += minBrightCOLOR - minCOLOR;
1472 #endif
1473 return base;
1474 }
1475
1476 bool option (uint8_t opt) const NOTHROW
1477 {
1478 return options[opt >> 3] & (1 << (opt & 7));
1479 }
1480
1481 void set_option (uint8_t opt, bool set = true) NOTHROW;
1482
1483 // modifies first argument(!)
1484 void tt_paste (char *data, unsigned int len) NOTHROW;
1485 void paste (char *data, unsigned int len) NOTHROW;
1486 void scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const NOTHROW;
1487 void scr_blank_screen_mem (line_t &l, rend_t efs) const NOTHROW;
1488 void scr_kill_char (line_t &l, int col) const NOTHROW;
1489 int scr_scroll_text (int row1, int row2, int count) NOTHROW;
1490 void scr_reset ();
1491 void scr_release () NOTHROW;
1492 void scr_clear (bool really = false) NOTHROW;
1493 void scr_refresh () NOTHROW;
1494 bool scr_refresh_rend (rend_t mask, rend_t value) NOTHROW;
1495 void scr_erase_screen (int mode) NOTHROW;
1496 #if ENABLE_FRILLS
1497 void scr_erase_savelines () NOTHROW;
1498 void scr_backindex () NOTHROW;
1499 void scr_forwardindex () NOTHROW;
1500 #endif
1501 void scr_touch (bool refresh) NOTHROW;
1502 void scr_expose (int x, int y, int width, int height, bool refresh) NOTHROW;
1503 void scr_recolour (bool refresh = true) NOTHROW;
1504 void scr_remap_chars () NOTHROW;
1505 void scr_remap_chars (line_t &l) NOTHROW;
1506
1507 enum cursor_mode { SAVE, RESTORE };
1508
1509 void scr_poweron ();
1510 void scr_soft_reset () NOTHROW;
1511 void scr_cursor (cursor_mode mode) NOTHROW;
1512 void scr_do_wrap () NOTHROW;
1513 void scr_swap_screen () NOTHROW;
1514 void scr_change_screen (int scrn);
1515 void scr_color (unsigned int color, int fgbg) NOTHROW;
1516 void scr_rendition (int set, int style) NOTHROW;
1517 void scr_add_lines (const wchar_t *str, int len, int minlines = 0) NOTHROW;
1518 void scr_backspace () NOTHROW;
1519 void scr_tab (int count, bool ht = false) NOTHROW;
1520 void scr_gotorc (int row, int col, int relative) NOTHROW;
1521 void scr_index (enum page_dirn direction) NOTHROW;
1522 void scr_erase_line (int mode) NOTHROW;
1523 void scr_E () NOTHROW;
1524 void scr_insdel_lines (int count, int insdel) NOTHROW;
1525 void scr_insdel_chars (int count, int insdel) NOTHROW;
1526 void scr_scroll_region (int top, int bot) NOTHROW;
1527 void scr_cursor_visible (int mode) NOTHROW;
1528 void scr_autowrap (int mode) NOTHROW;
1529 void scr_relative_origin (int mode) NOTHROW;
1530 void scr_insert_mode (int mode) NOTHROW;
1531 void scr_set_tab (int mode) NOTHROW;
1532 void scr_rvideo_mode (bool on) NOTHROW;
1533 void scr_report_position () NOTHROW;
1534 void set_font_style () NOTHROW;
1535 void scr_charset_choose (int set) NOTHROW;
1536 void scr_charset_set (int set, unsigned int ch) NOTHROW;
1537 void scr_move_to (int y, int len) NOTHROW;
1538 bool scr_page (enum page_dirn direction, int nlines) NOTHROW;
1539 bool scr_changeview (int new_view_start) NOTHROW;
1540 void scr_bell () NOTHROW;
1541 void scr_printscreen (int fullhist) NOTHROW;
1542 void scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) NOTHROW;
1543 void scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) NOTHROW;
1544 void scr_reverse_selection () NOTHROW;
1545 void scr_dump (int fd) NOTHROW;
1546
1547 void selection_check (int check_more) NOTHROW;
1548 void selection_request (Time tm, int selnum = Sel_Primary) NOTHROW;
1549 void selection_clear (bool clipboard = false) NOTHROW;
1550 void selection_make (Time tm);
1551 bool selection_grab (Time tm, bool clipboard = false) NOTHROW;
1552 void selection_start_colrow (int col, int row) NOTHROW;
1553 void selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW;
1554 void selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW;
1555 void selection_remove_trailing_spaces () NOTHROW;
1556 void selection_send (const XSelectionRequestEvent &rq) NOTHROW;
1557 void selection_click (int clicks, int x, int y) NOTHROW;
1558 void selection_extend (int x, int y, int flag) NOTHROW;
1559 void selection_rotate (int x, int y) NOTHROW;
1560
1561 // xdefaults.C
1562 const char **get_options (int argc, const char *const *argv);
1563 int parse_keysym (const char *str, const char *arg);
1564 const char *x_resource (const char *name);
1565 void extract_resources ();
1566 void extract_keysym_resources ();
1567 };
1568
1569 #endif /* _RXVT_H_ */
1570