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/cvs/rxvt-unicode/src/rxvt.h
Revision: 1.432
Committed: Sat Jan 29 17:50:31 2011 UTC (13 years, 4 months ago) by sf-exg
Content type: text/plain
Branch: MAIN
Changes since 1.431: +1 -0 lines
Log Message:
Simplify.

File Contents

# Content
1 #ifndef RXVT_H_ /* include once only */
2 #define RXVT_H_
3
4 #include <cstdio>
5 #include <cctype>
6 #include <cerrno>
7 #include <cstdarg>
8 #include <cstdlib>
9 #ifdef HAVE_STDINT_H
10 #include <stdint.h>
11 #endif
12 #include <sys/types.h>
13 #include <unistd.h>
14 #include <cstring>
15 #include <assert.h>
16 #ifdef HAVE_SYS_IOCTL_H
17 #include <sys/ioctl.h>
18 #endif
19 #ifdef HAVE_SYS_STRREDIR_H
20 #include <sys/strredir.h>
21 #endif
22
23 #if HAVE_CWCHAR
24 # include <cwchar>
25 #elif HAVE_WCHAR_H
26 # include <wchar.h>
27 #else
28 // stdlib.h might provide it
29 #endif
30
31 using namespace std;
32
33 // we assume that Xlib.h defines XPointer, and it does since at least 1994...
34
35 extern "C" {
36 #include <X11/Xlib.h>
37 #include <X11/Xutil.h>
38 #include <X11/Xresource.h>
39 }
40
41 #if UNICODE_3
42 typedef uint32_t text_t;
43 #else
44 typedef uint16_t text_t; // saves lots of memory
45 #endif
46 typedef uint32_t rend_t;
47 typedef int32_t tlen_t; // was int16_t, but this results in smaller code and memory use
48 typedef int32_t tlen_t_; // specifically for use in the line_t structure
49
50 #include "feature.h"
51
52 #if defined (ISO_14755) || defined (ENABLE_PERL)
53 # define ENABLE_OVERLAY 1
54 #endif
55
56 #if ENABLE_PERL
57 # define ENABLE_FRILLS 1
58 # define ENABLE_COMBINING 1
59 #endif
60
61 #if ENABLE_FRILLS
62 # define ENABLE_XEMBED 1
63 # define ENABLE_EWMH 1
64 # define ENABLE_XIM_ONTHESPOT 1
65 # define CURSOR_BLINK 1
66 # define OPTION_HC 1
67 # define BUILTIN_GLYPHS 1
68 #else
69 # define ENABLE_MINIMAL 1
70 #endif
71
72 #include <limits.h>
73
74 #include <X11/cursorfont.h>
75 #include <X11/keysym.h>
76 #include <X11/keysymdef.h>
77 #include <X11/Xatom.h>
78
79 #ifdef HAVE_AFTERIMAGE
80 # include <afterimage.h>
81 # undef min
82 # undef max
83 #endif
84
85 #ifdef HAVE_PIXBUF
86 # include <gdk-pixbuf/gdk-pixbuf.h>
87 #endif
88
89 #if defined(BG_IMAGE_FROM_FILE) || defined(ENABLE_TRANSPARENCY)
90 # define HAVE_BG_PIXMAP 1
91 #endif
92
93 #include "encoding.h"
94 #include "rxvtutil.h"
95 #include "rxvtfont.h"
96 #include "rxvttoolkit.h"
97 #include "scrollbar.h"
98 #include "ev_cpp.h"
99 #include "salloc.h"
100 #include "libptytty.h"
101
102 #include "rxvtperl.h"
103
104 // try to avoid some macros to decrease code size, on some systems
105 #if ENABLE_MINIMAL
106 # define strcmp(a,b) (strcmp)(a,b)
107 # define strlen(a) (strlen)(a)
108 # define strcpy(a,b) (strcpy)(a,b)
109 # define memset(a,c,l) (memset)(a,c,l)
110 # define memcpy(a,b,l) (memcpy)(a,b,l)
111 #endif
112
113 /*
114 *****************************************************************************
115 * SYSTEM HACKS
116 *****************************************************************************
117 */
118
119 #include <termios.h>
120
121 #ifndef STDIN_FILENO
122 # define STDIN_FILENO 0
123 # define STDOUT_FILENO 1
124 # define STDERR_FILENO 2
125 #endif
126
127 #ifndef EXIT_SUCCESS /* missing from <stdlib.h> */
128 # define EXIT_SUCCESS 0 /* exit function success */
129 # define EXIT_FAILURE 1 /* exit function failure */
130 #endif
131
132 #ifndef PATH_MAX
133 # define PATH_MAX 16384
134 #endif
135
136 /****************************************************************************/
137
138 // exception thrown on fatal (per-instance) errors
139 class rxvt_failure_exception { };
140
141 // exception thrown when the command parser runs out of input data
142 class out_of_input { };
143
144 /*
145 *****************************************************************************
146 * PROTOTYPES
147 *****************************************************************************
148 */
149 // main.C
150 #define SET_LOCALE(locale) rxvt_set_locale (locale)
151 extern bool rxvt_set_locale (const char *locale) NOTHROW;
152 extern void rxvt_push_locale (const char *locale) NOTHROW;
153 extern void rxvt_pop_locale () NOTHROW;
154 void rxvt_init ();
155
156 // misc.C
157 char * rxvt_wcstombs (const wchar_t *str, int len = -1);
158 wchar_t * rxvt_mbstowcs (const char *str, int len = -1);
159 char * rxvt_wcstoutf8 (const wchar_t *str, int len = -1);
160 wchar_t * rxvt_utf8towcs (const char *str, int len = -1);
161
162 const char * rxvt_basename (const char *str) NOTHROW;
163 void rxvt_vlog (const char *fmt, va_list arg_ptr) NOTHROW;
164 void rxvt_log (const char *fmt,...) NOTHROW;
165 void rxvt_warn (const char *fmt,...) NOTHROW;
166 void rxvt_fatal (const char *fmt, ...) THROW ((class rxvt_failure_exception)) NORETURN;
167 void rxvt_exit_failure () THROW ((class rxvt_failure_exception)) NORETURN;
168
169 char * rxvt_strtrim (char *str) NOTHROW;
170 char ** rxvt_strsplit (char delim, const char *str) NOTHROW;
171
172 static inline void
173 rxvt_free_strsplit (char **ptr) NOTHROW
174 {
175 free (ptr[0]);
176 free (ptr);
177 }
178
179 void * rxvt_malloc (size_t size);
180 void * rxvt_calloc (size_t number, size_t size);
181 void * rxvt_realloc (void *ptr, size_t size);
182
183 /////////////////////////////////////////////////////////////////////////////
184
185 // temporarily replace the process environment
186 extern char **environ;
187 extern char **rxvt_environ; // the original environ pointer
188
189 static inline void
190 set_environ (stringvec *envv)
191 {
192 #if ENABLE_PERL
193 assert (envv);
194 #else
195 if (envv)
196 #endif
197 environ = (char **)envv->begin ();
198 }
199
200 static inline void
201 set_environ (char **envv)
202 {
203 #if ENABLE_PERL
204 assert (envv);
205 #else
206 if (envv)
207 #endif
208 environ = envv;
209 }
210
211 struct localise_env
212 {
213 char **orig_env;
214
215 localise_env (char **new_env)
216 {
217 orig_env = environ;
218 environ = new_env;
219 }
220
221 ~localise_env ()
222 {
223 environ = orig_env;
224 }
225 };
226
227 /*
228 *****************************************************************************
229 * STRUCTURES AND TYPEDEFS
230 *****************************************************************************
231 */
232
233 /*
234 * the 'essential' information for reporting Mouse Events
235 * pared down from XButtonEvent
236 */
237 struct mouse_event
238 {
239 int clicks;
240 Time time; /* milliseconds */
241 unsigned int state; /* key or button mask */
242 unsigned int button; /* detail */
243 };
244
245 #if ENABLE_XEMBED
246 // XEMBED messages
247 # define XEMBED_EMBEDDED_NOTIFY 0
248 # define XEMBED_WINDOW_ACTIVATE 1
249 # define XEMBED_WINDOW_DEACTIVATE 2
250 # define XEMBED_REQUEST_FOCUS 3
251 # define XEMBED_FOCUS_IN 4
252 # define XEMBED_FOCUS_OUT 5
253 # define XEMBED_FOCUS_NEXT 6
254 # define XEMBED_FOCUS_PREV 7
255
256 # define XEMBED_MODALITY_ON 10
257 # define XEMBED_MODALITY_OFF 11
258 # define XEMBED_REGISTER_ACCELERATOR 12
259 # define XEMBED_UNREGISTER_ACCELERATOR 13
260 # define XEMBED_ACTIVATE_ACCELERATOR 14
261
262 // XEMBED detail code
263 # define XEMBED_FOCUS_CURRENT 0
264 # define XEMBED_FOCUS_FIRST 1
265 # define XEMBED_FOCUS_LAST 2
266
267 # define XEMBED_MAPPED (1 << 0)
268 #endif
269
270 /*
271 *****************************************************************************
272 * NORMAL DEFINES
273 *****************************************************************************
274 */
275
276 /* COLORTERM, TERM environment variables */
277 #define COLORTERMENV "rxvt"
278 #ifdef BG_IMAGE_FROM_FILE
279 # define COLORTERMENVFULL COLORTERMENV "-xpm"
280 #else
281 # define COLORTERMENVFULL COLORTERMENV
282 #endif
283 #ifndef TERMENV
284 # if USE_256_COLORS
285 # define TERMENV "rxvt-unicode-256color"
286 # else
287 # define TERMENV "rxvt-unicode"
288 # endif
289 #endif
290
291 #if defined (NO_MOUSE_REPORT) && !defined (NO_MOUSE_REPORT_SCROLLBAR)
292 # define NO_MOUSE_REPORT_SCROLLBAR 1
293 #endif
294
295 #define scrollBar_esc 30
296
297 #if !defined (RXVT_SCROLLBAR) && !defined (NEXT_SCROLLBAR)
298 # define NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING 1
299 #endif
300
301 enum {
302 NO_REFRESH = 0, /* Window not visible at all! */
303 FAST_REFRESH = 1, /* Fully exposed window */
304 SLOW_REFRESH = 2, /* Partially exposed window */
305 };
306
307 #ifdef NO_SECONDARY_SCREEN
308 # define NSCREENS 0
309 #else
310 # define NSCREENS 1
311 #endif
312
313 /* special (internal) prefix for font commands */
314 #define FONT_CMD '#'
315 #define FONT_DN "#-"
316 #define FONT_UP "#+"
317
318 /* flags for rxvt_scr_gotorc () */
319 enum {
320 C_RELATIVE = 1, /* col movement is relative */
321 R_RELATIVE = 2, /* row movement is relative */
322 RELATIVE = C_RELATIVE | R_RELATIVE,
323 };
324
325 /* modes for rxvt_scr_insdel_chars (), rxvt_scr_insdel_lines () */
326 enum {
327 INSERT = -1, /* don't change these values */
328 DELETE = +1,
329 ERASE = +2,
330 };
331
332 /* modes for rxvt_scr_page () - scroll page. used by scrollbar window */
333 enum page_dirn {
334 UP,
335 DN,
336 NO_DIR,
337 };
338
339 /* arguments for rxvt_scr_change_screen () */
340 enum {
341 PRIMARY = 0,
342 SECONDARY,
343 };
344
345 // define various rendition bits and masks. the rendition word
346 // is 32 bits in size, and we should use it as efficiently as possible
347
348 #define RS_None 0
349
350 // GET_BGATTR depends on RS_fgShift > RS_bgShift
351 #define RS_colorMask ((1UL << Color_Bits) - 1UL)
352 #define RS_bgShift 0
353 #define RS_fgShift (RS_bgShift + Color_Bits)
354 #define RS_bgMask (RS_colorMask << RS_bgShift)
355 #define RS_fgMask (RS_colorMask << RS_fgShift)
356
357 // must have space for rxvt_fontset::fontCount * 2 + 2 values
358 #define RS_fontShift (RS_fgShift + Color_Bits)
359 #define RS_Careful (1UL << RS_fontShift) /* be careful when drawing these */
360 #define RS_fontCount rxvt_fontset::fontCount
361 #define RS_fontMask ((RS_fontCount << (RS_fontShift + 1)) | RS_Careful) // includes RS_Careful
362
363 // toggle this to force redraw, must be != RS_Careful and otherwise "pretty neutral"
364 #define RS_redraw (2UL << RS_fontShift)
365
366 #define RS_Sel (1UL << 22)
367
368 // 4 custom bits for extensions
369 #define RS_customCount 16UL
370 #define RS_customShift 23
371 #define RS_customMask ((RS_customCount - 1UL) << RS_customShift)
372
373 // font styles
374 #define RS_Bold (1UL << RS_styleShift)
375 #define RS_Italic (2UL << RS_styleShift)
376
377 #define RS_styleCount 4
378 #define RS_styleShift 27
379 #define RS_styleMask (RS_Bold | RS_Italic)
380
381 // fake styles
382 #define RS_Blink (1UL << 29)
383 #define RS_RVid (1UL << 30) // reverse video
384 #define RS_Uline (1UL << 31) // underline
385
386 #define RS_baseattrMask (RS_Italic | RS_Bold | RS_Blink | RS_RVid | RS_Uline)
387 #define RS_attrMask (RS_baseattrMask | RS_fontMask)
388
389 #define DEFAULT_RSTYLE (RS_None | (Color_fg << RS_fgShift) | (Color_bg << RS_bgShift))
390 #define OVERLAY_RSTYLE (RS_None | (Color_Black << RS_fgShift) | (Color_Yellow << RS_bgShift))
391
392 #define Sel_none 0 /* Not waiting */
393 #define Sel_normal 0x01 /* normal selection */
394 #define Sel_incr 0x02 /* incremental selection */
395 #define Sel_direct 0x00
396 #define Sel_Primary 0x01
397 #define Sel_Secondary 0x02
398 #define Sel_Clipboard 0x03
399 #define Sel_whereMask 0x0f
400 #define Sel_CompoundText 0x10 /* last request was COMPOUND_TEXT */
401 #define Sel_UTF8String 0x20 /* last request was UTF8_STRING */
402
403 enum {
404 C0_NUL = 0x00,
405 C0_SOH, C0_STX, C0_ETX, C0_EOT, C0_ENQ, C0_ACK, C0_BEL,
406 C0_BS , C0_HT , C0_LF , C0_VT , C0_FF , C0_CR , C0_SO , C0_SI ,
407 C0_DLE, C0_DC1, C0_DC2, D0_DC3, C0_DC4, C0_NAK, C0_SYN, C0_ETB,
408 C0_CAN, C0_EM , C0_SUB, C0_ESC, C0_IS4, C0_IS3, C0_IS2, C0_IS1,
409 };
410 #define CHAR_ST 0x9c /* 0234 */
411
412 /*
413 * XTerm Operating System Commands: ESC ] Ps;Pt (ST|BEL)
414 * colour extensions by Christian W. Zuckschwerdt <zany@triq.net>
415 */
416 enum {
417 XTerm_name = 0,
418 XTerm_iconName = 1,
419 XTerm_title = 2,
420 XTerm_property = 3, // change X property
421 XTerm_Color = 4, // change colors
422 XTerm_Color00 = 10, // change fg color
423 XTerm_Color01 = 11, // change bg color
424 XTerm_Color_cursor = 12, // change actual 'Cursor' color
425 XTerm_Color_pointer_fg = 13, // change actual 'Pointer' fg color
426 XTerm_Color_pointer_bg = 14, // change actual 'Pointer' bg color
427 XTerm_Color05 = 15, // not implemented (tektronix fg)
428 XTerm_Color06 = 16, // not implemented (tektronix bg)
429 XTerm_Color_HC = 17, // change actual 'Highlight' bg color
430 XTerm_Color_HTC = 19, // change actual 'Highlight' fg color
431 XTerm_logfile = 46, // not implemented
432 XTerm_font = 50,
433
434 XTerm_konsole30 = 30, // reserved for konsole
435 XTerm_konsole31 = 31, // reserved for konsole
436 XTerm_emacs51 = 51, // reserved for emacs shell
437 /*
438 * rxvt extensions of XTerm OSCs: ESC ] Ps;Pt (ST|BEL)
439 */
440
441 // deprecated
442 Rxvt_restoreFG = 39,
443 Rxvt_restoreBG = 49,
444
445 Rxvt_Pixmap = 20, // new bg pixmap
446 Rxvt_dumpscreen = 55, // dump scrollback and all of screen
447
448 URxvt_locale = 701, // change locale
449 URxvt_version = 702, // request version
450
451 URxvt_Color_IT = 704, // change actual 'Italic' colour
452 URxvt_Color_tint = 705, // change actual tint colour
453 URxvt_Color_BD = 706, // change actual 'Bold' color
454 URxvt_Color_UL = 707, // change actual 'Underline' color
455 URxvt_Color_border = 708,
456
457 URxvt_font = 710,
458 URxvt_boldFont = 711,
459 URxvt_italicFont = 712,
460 URxvt_boldItalicFont = 713,
461
462 URxvt_view_up = 720,
463 URxvt_view_down = 721,
464
465 URxvt_perl = 777, // for use by perl extensions, starts with "extension-name;"
466 };
467
468 /* Words starting with `Color_' are colours. Others are counts */
469 /*
470 * The PixColor and rendition colour usage should probably be decoupled
471 * on the unnecessary items, e.g. Color_pointer, but won't bother
472 * until we need to. Also, be aware of usage in pixcolor_set
473 */
474
475 enum colour_list {
476 Color_none = -2,
477 Color_transparent = -1,
478 Color_fg = 0,
479 Color_bg,
480 minCOLOR, /* 2 */
481 Color_Black = minCOLOR,
482 Color_Red3,
483 Color_Green3,
484 Color_Yellow3,
485 Color_Blue3,
486 Color_Magenta3,
487 Color_Cyan3,
488 maxCOLOR, /* minCOLOR + 7 */
489 #ifndef NO_BRIGHTCOLOR
490 Color_AntiqueWhite = maxCOLOR,
491 minBrightCOLOR, /* maxCOLOR + 1 */
492 Color_Grey25 = minBrightCOLOR,
493 Color_Red,
494 Color_Green,
495 Color_Yellow,
496 Color_Blue,
497 Color_Magenta,
498 Color_Cyan,
499 maxBrightCOLOR, /* minBrightCOLOR + 7 */
500 Color_White = maxBrightCOLOR,
501 #else
502 Color_White = maxCOLOR,
503 #endif
504 minTermCOLOR = Color_White + 1,
505 #if USE_256_COLORS
506 maxTermCOLOR = Color_White + 240,
507 #else
508 maxTermCOLOR = Color_White + 72,
509 #endif
510 #ifndef NO_CURSORCOLOR
511 Color_cursor,
512 Color_cursor2,
513 #endif
514 Color_pointer_fg,
515 Color_pointer_bg,
516 Color_border,
517 #ifndef NO_BOLD_UNDERLINE_REVERSE
518 Color_BD,
519 Color_IT,
520 Color_UL,
521 Color_RV,
522 #endif
523 #if ENABLE_FRILLS
524 Color_underline,
525 #endif
526 #ifdef OPTION_HC
527 Color_HC,
528 Color_HTC,
529 #endif
530 Color_scroll,
531 #ifdef RXVT_SCROLLBAR
532 Color_trough,
533 #endif
534 #if ENABLE_TRANSPARENCY
535 Color_tint,
536 #endif
537 #if OFF_FOCUS_FADING
538 Color_fade,
539 #endif
540 NRS_COLORS, /* */
541 #ifdef RXVT_SCROLLBAR
542 Color_topShadow = NRS_COLORS,
543 Color_bottomShadow,
544 TOTAL_COLORS
545 #else
546 TOTAL_COLORS = NRS_COLORS
547 #endif
548 };
549
550 #if USE_256_COLORS
551 # define Color_Bits 9 // 0 .. maxTermCOLOR
552 #else
553 # define Color_Bits 7 // 0 .. maxTermCOLOR
554 #endif
555
556 /*
557 * Resource list
558 */
559 enum {
560 # define def(name) Rs_ ## name,
561 # define reserve(name,count) Rs_ ## name ## _ = Rs_ ## name + (count) - 1,
562 # include "rsinc.h"
563 # undef def
564 # undef reserve
565 NUM_RESOURCES
566 };
567
568 /* DEC private modes */
569 #define PrivMode_132 (1UL<<0)
570 #define PrivMode_132OK (1UL<<1)
571 #define PrivMode_rVideo (1UL<<2)
572 #define PrivMode_relOrigin (1UL<<3)
573 #define PrivMode_Screen (1UL<<4)
574 #define PrivMode_Autowrap (1UL<<5)
575 #define PrivMode_aplCUR (1UL<<6)
576 #define PrivMode_aplKP (1UL<<7)
577 #define PrivMode_HaveBackSpace (1UL<<8)
578 #define PrivMode_BackSpace (1UL<<9)
579 #define PrivMode_ShiftKeys (1UL<<10)
580 #define PrivMode_VisibleCursor (1UL<<11)
581 #define PrivMode_MouseX10 (1UL<<12)
582 #define PrivMode_MouseX11 (1UL<<13)
583 #define PrivMode_scrollBar (1UL<<14)
584 #define PrivMode_TtyOutputInh (1UL<<15)
585 #define PrivMode_Keypress (1UL<<16)
586 #define PrivMode_smoothScroll (1UL<<17)
587 #define PrivMode_vt52 (1UL<<18)
588 #define PrivMode_LFNL (1UL<<19)
589 #define PrivMode_MouseBtnEvent (1UL<<20)
590 #define PrivMode_MouseAnyEvent (1UL<<21)
591 #define PrivMode_BracketPaste (1UL<<22)
592 #define PrivMode_ExtModeMouse (1UL<<23) // xterm pseudo-utf-8 hack
593 #define PrivMode_ExtMouseRight (1UL<<24) // xterm pseudo-utf-8, but works in non-utf-8-locales
594
595 #define PrivMode_mouse_report (PrivMode_MouseX10|PrivMode_MouseX11|PrivMode_MouseBtnEvent|PrivMode_MouseAnyEvent)
596
597 #ifdef ALLOW_132_MODE
598 # define PrivMode_Default (PrivMode_Autowrap|PrivMode_ShiftKeys|PrivMode_VisibleCursor|PrivMode_132OK)
599 #else
600 # define PrivMode_Default (PrivMode_Autowrap|PrivMode_ShiftKeys|PrivMode_VisibleCursor)
601 #endif
602
603 // do not change these constants lightly, there are many interdependencies
604 #define IMBUFSIZ 128 // input modifier buffer sizes
605 #define KBUFSZ 512 // size of keyboard mapping buffer
606 #define CBUFSIZ 2048 // size of command buffer
607 #define CBUFCNT 8 // never call pty_fill/cmd_parse more than this often in a row
608 #define UBUFSIZ 2048 // character buffer
609
610 #if ENABLE_FRILLS
611 # include <X11/Xmd.h>
612 typedef struct _mwmhints
613 {
614 CARD32 flags;
615 CARD32 functions;
616 CARD32 decorations;
617 INT32 input_mode;
618 CARD32 status;
619 } MWMHints;
620 #endif
621
622 /* Motif window hints */
623 #define MWM_HINTS_FUNCTIONS (1L << 0)
624 #define MWM_HINTS_DECORATIONS (1L << 1)
625 #define MWM_HINTS_INPUT_MODE (1L << 2)
626 #define MWM_HINTS_STATUS (1L << 3)
627 /* bit definitions for MwmHints.functions */
628 #define MWM_FUNC_ALL (1L << 0)
629 #define MWM_FUNC_RESIZE (1L << 1)
630 #define MWM_FUNC_MOVE (1L << 2)
631 #define MWM_FUNC_MINIMIZE (1L << 3)
632 #define MWM_FUNC_MAXIMIZE (1L << 4)
633 #define MWM_FUNC_CLOSE (1L << 5)
634 /* bit definitions for MwmHints.decorations */
635 #define MWM_DECOR_ALL (1L << 0)
636 #define MWM_DECOR_BORDER (1L << 1)
637 #define MWM_DECOR_RESIZEH (1L << 2)
638 #define MWM_DECOR_TITLE (1L << 3)
639 #define MWM_DECOR_MENU (1L << 4)
640 #define MWM_DECOR_MINIMIZE (1L << 5)
641 #define MWM_DECOR_MAXIMIZE (1L << 6)
642 /* bit definitions for MwmHints.inputMode */
643 #define MWM_INPUT_MODELESS 0
644 #define MWM_INPUT_PRIMARY_APPLICATION_MODAL 1
645 #define MWM_INPUT_SYSTEM_MODAL 2
646 #define MWM_INPUT_FULL_APPLICATION_MODAL 3
647 #define PROP_MWM_HINTS_ELEMENTS 5
648
649 /*
650 *****************************************************************************
651 * MACRO DEFINES
652 *****************************************************************************
653 */
654
655 // speed hack, copy some member variable into a local variable of the same name
656 #define dLocal(type,name) type const name = this->name
657
658 // for speed reasons, we assume that all codepoints 32 to 126 are
659 // single-width.
660 #define WCWIDTH(c) (IN_RANGE_INC (c, 0x20, 0x7e) ? 1 : wcwidth (c))
661
662 /* convert pixel dimensions to row/column values. Everything as int32_t */
663 #define Pixel2Col(x) Pixel2Width((int32_t)(x))
664 #define Pixel2Row(y) Pixel2Height((int32_t)(y))
665 #define Pixel2Width(x) ((int32_t)(x) / (int32_t)fwidth)
666 #define Pixel2Height(y) ((int32_t)(y) / (int32_t)fheight)
667 #define Col2Pixel(col) ((int32_t)Width2Pixel(col))
668 #define Row2Pixel(row) ((int32_t)Height2Pixel(row))
669 #define Width2Pixel(n) ((int32_t)(n) * (int32_t)fwidth)
670 #define Height2Pixel(n) ((int32_t)(n) * (int32_t)fheight)
671
672 #define LINENO_of(t,n) MOD ((t)->term_start + int(n), (t)->total_rows)
673 #define ROW_of(t,n) (t)->row_buf [LINENO_of ((t), n)]
674
675 #define LINENO(n) LINENO_of (this, n)
676 #define ROW(n) ROW_of (this, n)
677
678 /* how to build & extract colors and attributes */
679 #define GET_BASEFG(x) (((x) & RS_fgMask) >> RS_fgShift)
680 #define GET_BASEBG(x) (((x) & RS_bgMask) >> RS_bgShift)
681
682 #define GET_FONT(x) (((x) & RS_fontMask) >> RS_fontShift)
683 #define SET_FONT(x,fid) (((x) & ~RS_fontMask) | ((fid) << RS_fontShift))
684
685 #define GET_STYLE(x) (((x) & RS_styleMask) >> RS_styleShift)
686 #define SET_STYLE(x,style) (((x) & ~RS_styleMask) | ((style) << RS_styleShift))
687
688 #define GET_ATTR(x) (((x) & RS_attrMask))
689 // return attributes defining the background, encoding doesn't matter
690 // depends on RS_fgShift > RS_bgShift
691 #define GET_BGATTR(x) \
692 (expect_false ((x) & RS_RVid) \
693 ? (((x) & (RS_attrMask & ~RS_RVid)) \
694 | (((x) & RS_fgMask) >> (RS_fgShift - RS_bgShift))) \
695 : ((x) & (RS_attrMask | RS_bgMask)))
696 #define SET_FGCOLOR(x,fg) (((x) & ~RS_fgMask) | ((fg) << RS_fgShift))
697 #define SET_BGCOLOR(x,bg) (((x) & ~RS_bgMask) | ((bg) << RS_bgShift))
698 #define SET_ATTR(x,a) (((x) & ~RS_attrMask) | (a))
699
700 #define RS_SAME(a,b) (!(((a) ^ (b)) & ~RS_Careful))
701
702 #define PIXCOLOR_NAME(idx) rs[Rs_color + (idx)]
703 #define ISSET_PIXCOLOR(idx) (!!rs[Rs_color + (idx)])
704
705 #if ENABLE_STYLES
706 # define FONTSET_of(t,style) (t)->fontset[GET_STYLE (style)]
707 #else
708 # define FONTSET_of(t,style) (t)->fontset[0]
709 #endif
710
711 #define FONTSET(style) FONTSET_of (this, style)
712
713 typedef callback<void (const char *)> log_callback;
714 typedef callback<int (int)> getfd_callback;
715
716 /****************************************************************************/
717
718 #define LINE_LONGER 0x0001 // line is continued on the next row
719 #define LINE_FILTERED 0x0002 // line has been filtered
720 #define LINE_COMPRESSED 0x0004 // line has been compressed (NYI)
721 #define LINE_FILTER 0x0008 // line needs to be filtered before display (NYI)
722 #define LINE_BIDI 0x0010 // line needs bidi (NYI)
723
724 struct line_t
725 {
726 text_t *t; // terminal the text
727 rend_t *r; // rendition, uses RS_ flags
728 tlen_t_ l; // length of each text line
729 uint32_t f; // flags
730
731 bool is_longer ()
732 {
733 return f & LINE_LONGER;
734 }
735
736 void is_longer (int set)
737 {
738 if (set)
739 f |= LINE_LONGER;
740 else
741 f &= ~LINE_LONGER;
742 }
743
744 void clear ()
745 {
746 t = 0;
747 r = 0;
748 l = 0;
749 f = 0;
750 }
751
752 void touch () // call whenever a line is changed/touched/updated
753 {
754 #if ENABLE_PERL
755 f &= ~LINE_FILTERED;
756 #endif
757 }
758
759 void touch (int col)
760 {
761 max_it (l, col);
762 touch ();
763 }
764 };
765
766 /****************************************************************************/
767
768 // primitive wrapper around mbstate_t to ensure initialisation
769 struct mbstate
770 {
771 mbstate_t mbs;
772
773 operator mbstate_t *() { return &mbs; }
774 void reset () { memset (&mbs, 0, sizeof (mbs)); }
775 mbstate () { reset (); }
776 };
777
778 /****************************************************************************/
779
780 #define UNICODE_MASK 0x1fffffUL
781
782 #if UNICODE_3
783 # define COMPOSE_LO 0x40000000UL
784 # define COMPOSE_HI 0x400fffffUL
785 # define IS_COMPOSE(n) ((int32_t)(n) >= COMPOSE_LO)
786 #else
787 # if ENABLE_PERL
788 # define COMPOSE_LO 0xe000UL // our _own_ functions don't like (illegal) surrogates
789 # define COMPOSE_HI 0xf8ffUL // in utf-8, so use private use area only
790 # else
791 # define COMPOSE_LO 0xd800UL
792 # define COMPOSE_HI 0xf8ffUL
793 # endif
794 # define IS_COMPOSE(n) IN_RANGE_INC ((n), COMPOSE_LO, COMPOSE_HI)
795 #endif
796
797 #if ENABLE_COMBINING
798 // compose chars are used to represent composite characters
799 // that are not representable in unicode, as well as characters
800 // not fitting in the BMP.
801 struct compose_char
802 {
803 unicode_t c1, c2; // any chars != NOCHAR are valid
804 compose_char (unicode_t c1, unicode_t c2)
805 : c1(c1), c2(c2)
806 { }
807 };
808
809 class rxvt_composite_vec
810 {
811 vector<compose_char> v;
812 public:
813 text_t compose (unicode_t c1, unicode_t c2 = NOCHAR);
814 int expand (unicode_t c, wchar_t *r);
815 compose_char *operator [](text_t c)
816 {
817 return c >= COMPOSE_LO && c < COMPOSE_LO + v.size ()
818 ? &v[c - COMPOSE_LO]
819 : 0;
820 }
821 };
822
823 extern class rxvt_composite_vec rxvt_composite;
824 #endif
825
826 /****************************************************************************/
827
828 #ifdef KEYSYM_RESOURCE
829 class keyboard_manager;
830 #endif
831
832 typedef struct rxvt_term *rxvt_t;
833
834 extern rxvt_t rxvt_current_term;
835
836 #define SET_R(r) rxvt_current_term = const_cast<rxvt_term *>(r)
837 #define GET_R rxvt_current_term
838
839 /* ------------------------------------------------------------------------- */
840 struct overlay_base
841 {
842 int x, y, w, h; // overlay dimensions
843 text_t **text;
844 rend_t **rend;
845
846 // while tempting to add swap() etc. here, it effectively only increases code size
847 };
848
849 /* ------------------------------------------------------------------------- */
850
851 typedef struct
852 {
853 int row;
854 int col;
855 } row_col_t;
856
857 /*
858 * terminal limits:
859 *
860 * width : 1 <= width
861 * height : 1 <= height
862 * ncol : 1 <= ncol <= MAX(tlen_t)
863 * nrow : 1 <= nrow <= MAX(int)
864 * saveLines : 0 <= saveLines <= MAX(int)
865 * term_start : 0 <= term_start < saveLines
866 * total_rows : nrow + saveLines
867 *
868 * top_row : -saveLines <= top_row <= 0
869 * view_start : top_row <= view_start <= 0
870 *
871 * | most coordinates are stored relative to term_start,
872 * ROW_BUF | which is the first line of the terminal screen
873 * |························= row_buf[0]
874 * |························= row_buf[1]
875 * |························= row_buf[2] etc.
876 * |
877 * +------------+···········= term_start + top_row
878 * | scrollback |
879 * | scrollback +---------+·= term_start + view_start
880 * | scrollback | display |
881 * | scrollback | display |
882 * +------------+·display·+·= term_start
883 * | terminal | display |
884 * | terminal +---------+
885 * | terminal |
886 * | terminal |
887 * +------------+···········= term_start + nrow - 1
888 * |
889 * |
890 * END······················= total_rows
891 */
892
893 struct TermWin_t
894 {
895 int width; /* window width [pixels] */
896 int height; /* window height [pixels] */
897 int fwidth; /* font width [pixels] */
898 int fheight; /* font height [pixels] */
899 int fbase; /* font ascent (baseline) [pixels] */
900 int ncol; /* window columns [characters] */
901 int nrow; /* window rows [characters] */
902 int focus; /* window has focus */
903 int mapped; /* window state mapped? */
904 int int_bwidth; /* internal border width */
905 int ext_bwidth; /* external border width */
906 int lineSpace; /* number of extra pixels between rows */
907 int letterSpace; /* number of extra pixels between columns */
908 int saveLines; /* number of lines that fit in scrollback */
909 int total_rows; /* total number of rows in this terminal */
910 int term_start; /* term lines start here */
911 int view_start; /* scrollback view starts here */
912 int top_row; /* topmost row index of scrollback */
913 Window parent[6]; /* parent identifiers - we're parent[0] */
914 Window vt; /* vt100 window */
915 GC gc; /* GC for drawing */
916 Pixmap pixmap;
917 rxvt_drawable *drawable;
918 rxvt_fontset *fontset[4];
919 };
920
921 /*
922 * screen accounting:
923 * screen_t elements
924 * row: Cursor row position : 0 <= row < nrow
925 * col: Cursor column position : 0 <= col < ncol
926 * tscroll: Scrolling region top row inclusive : 0 <= row < nrow
927 * bscroll: Scrolling region bottom row inclusive : 0 <= row < nrow
928 *
929 * selection_t elements
930 * clicks: 1, 2 or 3 clicks - 4 indicates a special condition of 1 where
931 * nothing is selected
932 * beg: row/column of beginning of selection : never past mark
933 * mark: row/column of initial click : never past end
934 * end: row/column of one character past end of selection
935 * * Note: top_row <= beg.row <= mark.row <= end.row < nrow
936 * * Note: col == -1 ==> we're left of screen
937 *
938 */
939 struct screen_t
940 {
941 row_col_t cur; /* cursor position on the screen */
942 int tscroll; /* top of settable scroll region */
943 int bscroll; /* bottom of settable scroll region */
944 unsigned int charset; /* character set number [0..3] */
945 unsigned int flags; /* see below */
946 row_col_t s_cur; /* saved cursor position */
947 unsigned int s_charset; /* saved character set number [0..3] */
948 char s_charset_char;
949 rend_t s_rstyle; /* saved rendition style */
950 };
951
952 enum selection_op_t
953 {
954 SELECTION_CLEAR = 0, /* nothing selected */
955 SELECTION_INIT, /* marked a point */
956 SELECTION_BEGIN, /* started a selection */
957 SELECTION_CONT, /* continued selection */
958 SELECTION_DONE /* selection put in CUT_BUFFER0 */
959 };
960
961 struct selection_t
962 {
963 wchar_t *text; /* selected text */
964 unsigned int len; /* length of selected text */
965 unsigned int screen; /* screen being used */
966 unsigned int clicks; /* number of clicks */
967 selection_op_t op; /* current operation */
968 bool rect; /* rectangular selection? */
969 row_col_t beg; /* beginning of selection <= mark */
970 row_col_t mark; /* point of initial click <= end */
971 row_col_t end; /* one character past end point */
972 wchar_t *clip_text; /* text copied to the clipboard */
973 unsigned int clip_len; /* length of clipboard text */
974 };
975
976 /* ------------------------------------------------------------------------- */
977
978 /* screen_t flags */
979 #define Screen_Relative (1<<0) /* relative origin mode flag */
980 #define Screen_VisibleCursor (1<<1) /* cursor visible? */
981 #define Screen_Autowrap (1<<2) /* auto-wrap flag */
982 #define Screen_Insert (1<<3) /* insert mode (vs. overstrike) */
983 #define Screen_WrapNext (1<<4) /* need to wrap for next char? */
984 #define Screen_DefaultFlags (Screen_VisibleCursor | Screen_Autowrap)
985
986 /* rxvt_vars.options */
987 enum {
988 # define def(name) Opt_ ## name,
989 # define nodef(name) Opt_prev_ ## name, Opt_ ## name = 0, Opt_next_ ## name = Opt_prev_ ## name - 1,
990 Opt_0,
991 # include "optinc.h"
992 # undef nodef
993 # undef def
994 Opt_count
995 };
996
997 /* ------------------------------------------------------------------------- */
998
999 struct rxvt_vars : TermWin_t
1000 {
1001 scrollBar_t scrollBar;
1002 uint8_t options[(Opt_count + 7) >> 3];
1003 XSizeHints szHint;
1004 rxvt_color *pix_colors;
1005 Cursor TermWin_cursor; /* cursor for vt window */
1006 line_t *row_buf; // all lines, scrollback + terminal, circular, followed by temp_buf
1007 line_t *drawn_buf; // text on screen
1008 line_t *swap_buf; // lines for swap buffer
1009 char *tabs; /* per location: 1 == tab-stop */
1010 screen_t screen;
1011 screen_t swap;
1012 selection_t selection;
1013 rxvt_color pix_colors_focused[TOTAL_COLORS];
1014 #ifdef OFF_FOCUS_FADING
1015 rxvt_color pix_colors_unfocused[TOTAL_COLORS];
1016 #endif
1017 };
1018
1019 struct rxvt_term : zero_initialized, rxvt_vars, rxvt_screen
1020 {
1021
1022 // special markers with magic addresses
1023 static const char resval_undef []; // options specifically unset
1024 static const char resval_on []; // boolean options switched on
1025 static const char resval_off []; // or off
1026
1027 log_callback *log_hook; // log error messages through this hook, if != 0
1028 getfd_callback *getfd_hook; // convert remote to local fd, if != 0
1029 #if ENABLE_PERL
1030 rxvt_perl_term perl;
1031 #endif
1032 struct mbstate mbstate; // current input multibyte state
1033
1034 unsigned char want_refresh:1,
1035 current_screen:1, /* primary or secondary */
1036 num_scr_allow:1,
1037 bypass_keystate:1,
1038 #if ENABLE_FRILLS
1039 urgency_hint:1,
1040 #endif
1041 #if CURSOR_BLINK
1042 hidden_cursor:1,
1043 #endif
1044 #if TEXT_BLINK
1045 hidden_text:1,
1046 #endif
1047 #if POINTER_BLANK
1048 hidden_pointer:1,
1049 #endif
1050 enc_utf8:1, /* whether locale uses utf-8 */
1051 seen_input:1, /* whether we have seen some program output yet */
1052 seen_resize:1, /* whether we had a resize event */
1053 parsed_geometry:1;
1054
1055 unsigned char refresh_type,
1056 #ifdef META8_OPTION
1057 meta_char, /* Alt-key prefix */
1058 #endif
1059 selection_wait,
1060 selection_type;
1061 /* ---------- */
1062 bool rvideo_state, rvideo_mode;
1063 #ifndef NO_BELL
1064 bool rvideo_bell;
1065 #endif
1066 int num_scr; /* screen: number of lines scrolled */
1067 int prev_ncol, /* screen: previous number of columns */
1068 prev_nrow; /* screen: previous number of rows */
1069 /* ---------- */
1070 rend_t rstyle;
1071 /* ---------- */
1072 #ifdef SELECTION_SCROLLING
1073 int scroll_selection_lines;
1074 enum page_dirn scroll_selection_dir;
1075 int selection_save_x,
1076 selection_save_y,
1077 selection_save_state;
1078 #endif
1079 /* ---------- */
1080 int csrO, /* Hops - csr offset in thumb/slider to */
1081 /* give proper Scroll behaviour */
1082 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1083 mouse_slip_wheel_speed,
1084 #endif
1085 refresh_count,
1086 window_vt_x,
1087 window_vt_y,
1088 mouse_row,
1089 mouse_col,
1090 # ifdef POINTER_BLANK
1091 pointerBlankDelay,
1092 # endif
1093 allowedxerror;
1094 /* ---------- */
1095 unsigned int ModLevel3Mask,
1096 ModMetaMask,
1097 ModNumLockMask;
1098 int old_width, /* last used width in screen resize */
1099 old_height; /* last used height in screen resize */
1100 unsigned long priv_modes,
1101 SavedModes;
1102 /* ---------- */
1103 Atom *xa;
1104 /* ---------- */
1105 Time selection_time,
1106 selection_request_time,
1107 clipboard_time;
1108 pid_t cmd_pid; /* process id of child */
1109 char * incr_buf;
1110 size_t incr_buf_size, incr_buf_fill;
1111 /* ---------- */
1112 struct mouse_event MEvent;
1113 XComposeStatus compose;
1114 static struct termios def_tio;
1115 row_col_t oldcursor;
1116 #ifdef HAVE_BG_PIXMAP
1117 void bg_init ();
1118 void bg_destroy ();
1119
1120 enum {
1121 //subset returned by make_transparency_pixmap
1122 BG_IS_VALID = 1 << 0,
1123 BG_NEEDS_TINT = 1 << 1,
1124 BG_NEEDS_BLUR = 1 << 2,
1125
1126 BG_EFFECTS_FLAGS = BG_NEEDS_TINT | BG_NEEDS_BLUR,
1127
1128 BG_PROP_SCALE = 1 << 3,
1129 BG_ROOT_ALIGN = 1 << 4,
1130 BG_GEOMETRY_FLAGS = BG_PROP_SCALE | BG_ROOT_ALIGN,
1131
1132 BG_TINT_SET = 1 << 5,
1133 BG_TINT_BITAND = 1 << 6,
1134 BG_TINT_FLAGS = BG_NEEDS_TINT | BG_TINT_BITAND,
1135
1136 BG_HAS_RENDER = 1 << 7,
1137 BG_HAS_RENDER_CONV = 1 << 8,
1138 BG_CLIENT_RENDER = 1 << 9,
1139
1140 BG_IS_TRANSPARENT = 1 << 10,
1141 BG_NEEDS_REFRESH = 1 << 11,
1142 BG_IS_SIZE_SENSITIVE = 1 << 12,
1143 BG_IS_FROM_FILE = 1 << 13,
1144 };
1145
1146 unsigned int bg_flags;
1147
1148 # ifdef BG_IMAGE_FROM_FILE
1149 void get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y);
1150 bool render_image (unsigned long tr_flags);
1151
1152 enum {
1153 noScale = 0,
1154 windowScale = 100,
1155 defaultScale = windowScale,
1156 centerAlign = 50,
1157 defaultAlign = centerAlign,
1158 };
1159
1160 unsigned int h_scale, v_scale; /* percents of the window size */
1161 int h_align, v_align; /* percents of the window size:
1162 0 - left align, 50 - center, 100 - right */
1163
1164 bool bg_set_geometry (const char *geom, bool update = false);
1165 void bg_set_default_geometry ()
1166 {
1167 h_scale = v_scale = defaultScale;
1168 h_align = v_align = defaultAlign;
1169 }
1170
1171 bool bg_set_file (const char *file);
1172 # endif
1173
1174 # ifdef ENABLE_TRANSPARENCY
1175 Pixmap root_pixmap; /* current root pixmap set */
1176 rxvt_color tint;
1177 int shade;
1178 int h_blurRadius, v_blurRadius;
1179
1180 bool bg_set_transparent ();
1181 void bg_set_root_pixmap ();
1182 void set_tint_shade_flags ();
1183 bool bg_set_tint (rxvt_color &new_tint);
1184 bool bg_set_shade (const char *shade_str);
1185 bool bg_set_blur (const char *geom);
1186
1187 bool blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height);
1188 bool tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height);
1189 unsigned long make_transparency_pixmap ();
1190 # endif
1191
1192 double bg_valid_since;
1193
1194 Pixmap bg_pixmap;
1195 unsigned int bg_pmap_width, bg_pmap_height;
1196
1197 int target_x;
1198 int target_y;
1199 bool bg_set_position (int x, int y);
1200 bool bg_window_size_sensitive ();
1201 bool bg_window_position_sensitive ();
1202
1203 bool bg_render ();
1204 void bg_invalidate ()
1205 {
1206 bg_flags &= ~BG_IS_VALID;
1207 }
1208 #endif
1209 #ifdef HAVE_AFTERIMAGE
1210 ASImage *original_asim;
1211 ASVisual *asv;
1212 ASImageManager *asimman;
1213
1214 void init_asv ()
1215 {
1216 if (!asv)
1217 asv = create_asvisual_for_id (dpy, display->screen, depth, XVisualIDFromVisual (visual), cmap, NULL);
1218 }
1219 #endif
1220 #ifdef HAVE_PIXBUF
1221 GdkPixbuf *pixbuf;
1222 bool pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
1223 int src_x, int src_y, int dst_x, int dst_y,
1224 unsigned int width, unsigned int height);
1225 #endif
1226
1227 #if ENABLE_OVERLAY
1228 overlay_base ov;
1229
1230 void scr_swap_overlay () NOTHROW;
1231 void scr_overlay_new (int x, int y, int w, int h) NOTHROW;
1232 void scr_overlay_off () NOTHROW;
1233 void scr_overlay_set (int x, int y,
1234 text_t text,
1235 rend_t rend = OVERLAY_RSTYLE) NOTHROW;
1236 void scr_overlay_set (int x, int y, const char *s) NOTHROW;
1237 void scr_overlay_set (int x, int y, const wchar_t *s) NOTHROW;
1238 #endif
1239
1240 vector<void *> allocated; // free these memory blocks with free()
1241
1242 char env_windowid[21]; /* environmental variable WINDOWID */
1243 char env_colorfgbg[sizeof ("COLORFGBG=default;default;bg") + 1];
1244 char *env_display; /* environmental variable DISPLAY */
1245 char *env_term; /* environmental variable TERM */
1246
1247 char *locale;
1248 char charsets[4];
1249 char *v_buffer; /* pointer to physical buffer */
1250 unsigned int v_buflen; /* size of area to write */
1251 stringvec *argv, *envv; /* if != 0, will be freed at destroy time */
1252
1253 #ifdef KEYSYM_RESOURCE
1254 keyboard_manager *keyboard;
1255 #endif
1256 #ifndef NO_RESOURCES
1257 XrmDatabase option_db;
1258 #endif
1259
1260 const char *rs[NUM_RESOURCES];
1261 /* command input buffering */
1262 char *cmdbuf_ptr, *cmdbuf_endp;
1263 char cmdbuf_base[CBUFSIZ];
1264
1265 ptytty *pty;
1266
1267 rxvt_salloc *talloc; // text line allocator
1268 rxvt_salloc *ralloc; // rend line allocator
1269
1270 static vector<rxvt_term *> termlist; // a vector of all running rxvt_term's
1271
1272 #if ENABLE_FRILLS || ISO_14755
1273 // ISO 14755 entry support
1274 unicode_t iso14755buf;
1275 void commit_iso14755 ();
1276 # if ISO_14755
1277 void iso14755_51 (unicode_t ch, rend_t r = DEFAULT_RSTYLE, int x = 0, int y = -1);
1278 void iso14755_54 (int x, int y);
1279 # endif
1280 #endif
1281
1282 long vt_emask, vt_emask_perl, vt_emask_xim, vt_emask_mouse;
1283
1284 void vt_select_input () const NOTHROW
1285 {
1286 XSelectInput (dpy, vt, vt_emask | vt_emask_perl | vt_emask_xim | vt_emask_mouse);
1287 }
1288
1289 #if ENABLE_TRANSPARENCY || ENABLE_PERL
1290 void rootwin_cb (XEvent &xev);
1291 xevent_watcher rootwin_ev;
1292 #endif
1293 #ifdef HAVE_BG_PIXMAP
1294 void update_background ();
1295 void update_background_cb (ev::timer &w, int revents);
1296 ev::timer update_background_ev;
1297 #endif
1298
1299 void x_cb (XEvent &xev);
1300 xevent_watcher termwin_ev;
1301 xevent_watcher vt_ev;
1302 xevent_watcher scrollbar_ev;
1303
1304 void child_cb (ev::child &w, int revents); ev::child child_ev;
1305 void destroy_cb (ev::idle &w, int revents); ev::idle destroy_ev;
1306 void refresh_check ();
1307 void flush ();
1308 void flush_cb (ev::timer &w, int revents); ev::timer flush_ev;
1309 bool pty_fill ();
1310 void pty_cb (ev::io &w, int revents); ev::io pty_ev;
1311 void incr_cb (ev::timer &w, int revents) NOTHROW; ev::timer incr_ev;
1312
1313 #ifdef CURSOR_BLINK
1314 void cursor_blink_cb (ev::timer &w, int revents); ev::timer cursor_blink_ev;
1315 #endif
1316 #ifdef TEXT_BLINK
1317 void text_blink_cb (ev::timer &w, int revents); ev::timer text_blink_ev;
1318 #endif
1319 #ifndef NO_BELL
1320 void bell_cb (ev::timer &w, int revents); ev::timer bell_ev;
1321 #endif
1322
1323 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1324 void cont_scroll_cb (ev::timer &w, int revents); ev::timer cont_scroll_ev;
1325 #endif
1326 #ifdef SELECTION_SCROLLING
1327 void sel_scroll_cb (ev::timer &w, int revents); ev::timer sel_scroll_ev;
1328 #endif
1329 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1330 void slip_wheel_cb (ev::timer &w, int revents); ev::timer slip_wheel_ev;
1331 #endif
1332
1333 #ifdef POINTER_BLANK
1334 void pointer_cb (ev::timer &w, int revents); ev::timer pointer_ev;
1335 void pointer_blank ();
1336 #endif
1337 void pointer_unblank ();
1338
1339 void tt_printf (const char *fmt,...);
1340 void tt_write (const char *data, unsigned int len);
1341 void pty_write ();
1342
1343 void init (stringvec *argv, stringvec *envv)
1344 {
1345 this->argv = argv;
1346 init (argv->size (), argv->begin (), envv);
1347 }
1348
1349 void make_current () const // make this the "currently active" urxvt instance
1350 {
1351 SET_R (this);
1352 set_environ (envv);
1353 rxvt_set_locale (locale);
1354 }
1355
1356 #if USE_XIM
1357 rxvt_xim *input_method;
1358 XIC Input_Context;
1359 XIMStyle input_style;
1360 XPoint spot; // most recently sent spot position
1361
1362 void im_destroy ();
1363 void im_cb (); im_watcher im_ev;
1364 void im_set_size (XRectangle &size);
1365 void im_set_position (XPoint &pos) NOTHROW;
1366 void im_set_color (unsigned long &fg, unsigned long &bg);
1367 void im_set_preedit_area (XRectangle &preedit_rect, XRectangle &status_rect, const XRectangle &needed_rect);
1368
1369 bool IMisRunning ();
1370 void IMSendSpot ();
1371 bool IM_get_IC (const char *modifiers);
1372 void IMSetPosition ();
1373 #endif
1374
1375 // command.C
1376 void key_press (XKeyEvent &ev);
1377 void key_release (XKeyEvent &ev);
1378 unsigned int cmd_write (const char *str, unsigned int count);
1379
1380 wchar_t next_char () NOTHROW;
1381 wchar_t cmd_getc () THROW ((class out_of_input));
1382 uint32_t next_octet () NOTHROW;
1383 uint32_t cmd_get8 () THROW ((class out_of_input));
1384
1385 void cmd_parse ();
1386 void mouse_report (XButtonEvent &ev);
1387 void button_press (XButtonEvent &ev);
1388 void button_release (XButtonEvent &ev);
1389 void focus_in ();
1390 void focus_out ();
1391 #if ENABLE_FRILLS
1392 void set_urgency (bool enable);
1393 #else
1394 void set_urgency (bool enable) { }
1395 #endif
1396 void update_fade_color (unsigned int idx);
1397 #ifdef PRINTPIPE
1398 FILE *popen_printer ();
1399 int pclose_printer (FILE *stream);
1400 #endif
1401 void process_print_pipe ();
1402 void process_nonprinting (unicode_t ch);
1403 void process_escape_vt52 (unicode_t ch);
1404 void process_escape_seq ();
1405 void process_csi_seq ();
1406 void process_window_ops (const int *args, unsigned int nargs);
1407 char *get_to_st (unicode_t &ends_how);
1408 void process_dcs_seq ();
1409 void process_osc_seq ();
1410 void process_color_seq (int report, int color, const char *str, char resp);
1411 void process_xterm_seq (int op, char *str, char resp);
1412 int privcases (int mode, unsigned long bit);
1413 void process_terminal_mode (int mode, int priv, unsigned int nargs, const int *arg);
1414 void process_sgr_mode (unsigned int nargs, const int *arg);
1415 void process_graphics ();
1416 // init.C
1417 void init_vars ();
1418 const char **init_resources (int argc, const char *const *argv);
1419 void init (int argc, const char *const *argv, stringvec *envv);
1420 void init_env ();
1421 void set_locale (const char *locale);
1422 void init_xlocale ();
1423 void init_command (const char *const *argv);
1424 void run_command (const char *const *argv);
1425 int run_child (const char *const *argv);
1426 void color_aliases (int idx);
1427 void create_windows (int argc, const char *const *argv);
1428 void get_colours ();
1429 void get_ourmods ();
1430 void set_icon (const char *file);
1431 // main.C
1432 void tt_winch ();
1433 rxvt_term ();
1434 ~rxvt_term ();
1435 void destroy ();
1436 void emergency_cleanup ();
1437 void recolour_cursor ();
1438 void resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent);
1439 void window_calc (unsigned int newwidth, unsigned int newheight);
1440 bool set_fonts ();
1441 void set_string_property (Atom prop, const char *str, int len = -1);
1442 void set_mbstring_property (Atom prop, const char *str, int len = -1);
1443 void set_utf8_property (Atom prop, const char *str, int len = -1);
1444 void set_title (const char *str);
1445 void set_icon_name (const char *str);
1446 void set_window_color (int idx, const char *color);
1447 void set_colorfgbg ();
1448 bool set_color (rxvt_color &color, const char *name);
1449 void alias_color (int dst, int src);
1450 void set_widthheight (unsigned int newwidth, unsigned int newheight);
1451 void get_window_origin (int &x, int &y);
1452 Pixmap get_pixmap_property (Atom property);
1453
1454 // screen.C
1455
1456 void lalloc (line_t &l) const
1457 {
1458 l.t = (text_t *)talloc->alloc ();
1459 l.r = (rend_t *)ralloc->alloc ();
1460 }
1461
1462 #if 0
1463 void lfree (line_t &l)
1464 {
1465 talloc->free (l.t);
1466 ralloc->free (l.r);
1467 }
1468 #endif
1469
1470 void lresize (line_t &l) const
1471 {
1472 if (!l.t)
1473 return;
1474
1475 l.t = (text_t *)talloc->alloc (l.t, prev_ncol * sizeof (text_t));
1476 l.r = (rend_t *)ralloc->alloc (l.r, prev_ncol * sizeof (rend_t));
1477
1478 l.l = min (l.l, ncol);
1479
1480 if (ncol > prev_ncol)
1481 scr_blank_line (l, prev_ncol, ncol - prev_ncol, DEFAULT_RSTYLE);
1482 }
1483
1484 int fgcolor_of (rend_t r) const NOTHROW
1485 {
1486 int base = GET_BASEFG (r);
1487 #ifndef NO_BRIGHTCOLOR
1488 if (r & RS_Bold
1489 # if ENABLE_STYLES
1490 && option (Opt_intensityStyles)
1491 # endif
1492 && IN_RANGE_INC (base, minCOLOR, minBrightCOLOR))
1493 base += minBrightCOLOR - minCOLOR;
1494 #endif
1495 return base;
1496 }
1497
1498 int bgcolor_of (rend_t r) const NOTHROW
1499 {
1500 int base = GET_BASEBG (r);
1501 #ifndef NO_BRIGHTCOLOR
1502 if (r & RS_Blink
1503 # if ENABLE_STYLES
1504 && option (Opt_intensityStyles)
1505 # endif
1506 && IN_RANGE_INC (base, minCOLOR, minBrightCOLOR))
1507 base += minBrightCOLOR - minCOLOR;
1508 #endif
1509 return base;
1510 }
1511
1512 bool option (uint8_t opt) const NOTHROW
1513 {
1514 return options[opt >> 3] & (1 << (opt & 7));
1515 }
1516
1517 void set_option (uint8_t opt, bool set = true) NOTHROW;
1518
1519 void set_privmode (unsigned bit, int set) NOTHROW
1520 {
1521 if (set)
1522 priv_modes |= bit;
1523 else
1524 priv_modes &= ~bit;
1525 }
1526
1527 // modifies first argument(!)
1528 void tt_paste (char *data, unsigned int len) NOTHROW;
1529 void paste (char *data, unsigned int len) NOTHROW;
1530 void scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const NOTHROW;
1531 void scr_blank_screen_mem (line_t &l, rend_t efs) const NOTHROW;
1532 void scr_kill_char (line_t &l, int col) const NOTHROW;
1533 int scr_scroll_text (int row1, int row2, int count) NOTHROW;
1534 void scr_reset ();
1535 void scr_release () NOTHROW;
1536 void scr_clear (bool really = false) NOTHROW;
1537 void scr_refresh () NOTHROW;
1538 bool scr_refresh_rend (rend_t mask, rend_t value) NOTHROW;
1539 void scr_erase_screen (int mode) NOTHROW;
1540 #if ENABLE_FRILLS
1541 void scr_erase_savelines () NOTHROW;
1542 void scr_backindex () NOTHROW;
1543 void scr_forwardindex () NOTHROW;
1544 #endif
1545 void scr_touch (bool refresh) NOTHROW;
1546 void scr_expose (int x, int y, int width, int height, bool refresh) NOTHROW;
1547 void scr_recolour (bool refresh = true) NOTHROW;
1548 void scr_remap_chars () NOTHROW;
1549 void scr_remap_chars (line_t &l) NOTHROW;
1550
1551 enum cursor_mode { SAVE, RESTORE };
1552
1553 void scr_poweron ();
1554 void scr_soft_reset () NOTHROW;
1555 void scr_cursor (cursor_mode mode) NOTHROW;
1556 void scr_do_wrap () NOTHROW;
1557 void scr_swap_screen () NOTHROW;
1558 void scr_change_screen (int scrn);
1559 void scr_color (unsigned int color, int fgbg) NOTHROW;
1560 void scr_rendition (int set, int style) NOTHROW;
1561 void scr_add_lines (const wchar_t *str, int len, int minlines = 0) NOTHROW;
1562 void scr_backspace () NOTHROW;
1563 void scr_tab (int count, bool ht = false) NOTHROW;
1564 void scr_gotorc (int row, int col, int relative) NOTHROW;
1565 void scr_index (enum page_dirn direction) NOTHROW;
1566 void scr_erase_line (int mode) NOTHROW;
1567 void scr_E () NOTHROW;
1568 void scr_insdel_lines (int count, int insdel) NOTHROW;
1569 void scr_insdel_chars (int count, int insdel) NOTHROW;
1570 void scr_scroll_region (int top, int bot) NOTHROW;
1571 void scr_cursor_visible (int mode) NOTHROW;
1572 void scr_autowrap (int mode) NOTHROW;
1573 void scr_relative_origin (int mode) NOTHROW;
1574 void scr_insert_mode (int mode) NOTHROW;
1575 void scr_set_tab (int mode) NOTHROW;
1576 void scr_rvideo_mode (bool on) NOTHROW;
1577 void scr_report_position () NOTHROW;
1578 void set_font_style () NOTHROW;
1579 void scr_charset_choose (int set) NOTHROW;
1580 void scr_charset_set (int set, unsigned int ch) NOTHROW;
1581 void scr_move_to (int y, int len) NOTHROW;
1582 bool scr_page (enum page_dirn direction, int nlines) NOTHROW;
1583 bool scr_changeview (int new_view_start) NOTHROW;
1584 void scr_bell () NOTHROW;
1585 void scr_printscreen (int fullhist) NOTHROW;
1586 void scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) NOTHROW;
1587 void scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) NOTHROW;
1588 void scr_reverse_selection () NOTHROW;
1589 void scr_dump (int fd) NOTHROW;
1590
1591 void selection_check (int check_more) NOTHROW;
1592 void selection_paste (Window win, Atom prop, bool delete_prop) NOTHROW;
1593 void selection_property (Window win, Atom prop) NOTHROW;
1594 void selection_request (Time tm, int selnum = Sel_Primary) NOTHROW;
1595 int selection_request_other (Atom target, int selnum) NOTHROW;
1596 void selection_clear (bool clipboard = false) NOTHROW;
1597 void selection_make (Time tm);
1598 bool selection_grab (Time tm, bool clipboard = false) NOTHROW;
1599 void selection_start_colrow (int col, int row) NOTHROW;
1600 void selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW;
1601 void selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW;
1602 void selection_remove_trailing_spaces () NOTHROW;
1603 void selection_send (const XSelectionRequestEvent &rq) NOTHROW;
1604 void selection_click (int clicks, int x, int y) NOTHROW;
1605 void selection_extend (int x, int y, int flag) NOTHROW;
1606 void selection_rotate (int x, int y) NOTHROW;
1607
1608 // xdefaults.C
1609 void get_options (int argc, const char *const *argv);
1610 int parse_keysym (const char *str, const char *arg);
1611 const char *x_resource (const char *name);
1612 void extract_resources ();
1613 };
1614
1615 #endif /* _RXVT_H_ */
1616