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/cvs/rxvt-unicode/src/rxvt.h
Revision: 1.500
Committed: Tue Jun 5 19:32:29 2012 UTC (12 years ago) by root
Content type: text/plain
Branch: MAIN
Changes since 1.499: +1 -0 lines
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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 #if HAVE_PIXBUF
76 # include <gdk-pixbuf/gdk-pixbuf.h>
77 #endif
78
79 #if defined(BG_IMAGE_FROM_FILE) || defined(ENABLE_TRANSPARENCY)
80 # define HAVE_BG_PIXMAP 1
81 #endif
82
83 #include <ecb.h>
84 #include "encoding.h"
85 #include "rxvtutil.h"
86 #include "rxvtfont.h"
87 #include "rxvttoolkit.h"
88 #include "rxvtimg.h"
89 #include "scrollbar.h"
90 #include "ev_cpp.h"
91 #include "libptytty.h"
92
93 #include "rxvtperl.h"
94
95 // try to avoid some macros to decrease code size, on some systems
96 #if ENABLE_MINIMAL
97 # define strcmp(a,b) (strcmp)(a,b)
98 # define strlen(a) (strlen)(a)
99 # define strcpy(a,b) (strcpy)(a,b)
100 # define memset(a,c,l) (memset)(a,c,l)
101 # define memcpy(a,b,l) (memcpy)(a,b,l)
102 #endif
103
104 /*
105 *****************************************************************************
106 * SYSTEM HACKS
107 *****************************************************************************
108 */
109
110 #include <termios.h>
111
112 #ifndef STDIN_FILENO
113 # define STDIN_FILENO 0
114 # define STDOUT_FILENO 1
115 # define STDERR_FILENO 2
116 #endif
117
118 #ifndef EXIT_SUCCESS /* missing from <stdlib.h> */
119 # define EXIT_SUCCESS 0 /* exit function success */
120 # define EXIT_FAILURE 1 /* exit function failure */
121 #endif
122
123 /****************************************************************************/
124
125 // exception thrown on fatal (per-instance) errors
126 class rxvt_failure_exception { };
127
128 // exception thrown when the command parser runs out of input data
129 class out_of_input { };
130
131 /*
132 *****************************************************************************
133 * PROTOTYPES
134 *****************************************************************************
135 */
136 // main.C
137 #define SET_LOCALE(locale) rxvt_set_locale (locale)
138 extern bool rxvt_set_locale (const char *locale) NOTHROW;
139 extern void rxvt_push_locale (const char *locale) NOTHROW;
140 extern void rxvt_pop_locale () NOTHROW;
141 void rxvt_init ();
142
143 // misc.C
144 char * rxvt_wcstombs (const wchar_t *str, int len = -1);
145 wchar_t * rxvt_mbstowcs (const char *str, int len = -1);
146 char * rxvt_wcstoutf8 (const wchar_t *str, int len = -1);
147 wchar_t * rxvt_utf8towcs (const char *str, int len = -1);
148
149 const char * rxvt_basename (const char *str) NOTHROW;
150 void rxvt_vlog (const char *fmt, va_list arg_ptr) NOTHROW;
151 void rxvt_log (const char *fmt,...) NOTHROW;
152 void rxvt_warn (const char *fmt,...) NOTHROW;
153 void rxvt_fatal (const char *fmt, ...) THROW ((class rxvt_failure_exception)) ecb_noreturn ecb_cold;
154 void rxvt_exit_failure () THROW ((class rxvt_failure_exception)) ecb_noreturn ecb_cold;
155
156 char * rxvt_strtrim (char *str) NOTHROW;
157 char ** rxvt_strsplit (char delim, const char *str) NOTHROW;
158
159 static inline void
160 rxvt_free_strsplit (char **ptr) NOTHROW
161 {
162 free (ptr[0]);
163 free (ptr);
164 }
165
166 void * rxvt_malloc (size_t size);
167 void * rxvt_calloc (size_t number, size_t size);
168 void * rxvt_realloc (void *ptr, size_t size);
169
170 /////////////////////////////////////////////////////////////////////////////
171
172 // temporarily replace the process environment
173 extern char **environ;
174 extern char **rxvt_environ; // the original environ pointer
175
176 static inline void
177 set_environ (stringvec *envv)
178 {
179 #if ENABLE_PERL
180 assert (envv);
181 #else
182 if (envv)
183 #endif
184 environ = (char **)envv->begin ();
185 }
186
187 static inline void
188 set_environ (char **envv)
189 {
190 #if ENABLE_PERL
191 assert (envv);
192 #else
193 if (envv)
194 #endif
195 environ = envv;
196 }
197
198 struct localise_env
199 {
200 char **orig_env;
201
202 localise_env (char **new_env)
203 {
204 orig_env = environ;
205 environ = new_env;
206 }
207
208 ~localise_env ()
209 {
210 environ = orig_env;
211 }
212 };
213
214 #ifdef HAVE_BG_PIXMAP
215 struct image_effects
216 {
217 bool tint_set;
218 rxvt_color tint;
219 int shade;
220 int h_blurRadius, v_blurRadius;
221
222 image_effects ()
223 {
224 tint_set =
225 h_blurRadius =
226 v_blurRadius = 0;
227 shade = 100;
228 }
229
230 bool need_tint ()
231 {
232 return shade != 100 || tint_set;
233 }
234
235 bool need_blur ()
236 {
237 return h_blurRadius && v_blurRadius;
238 }
239
240 bool set_tint (const rxvt_color &new_tint);
241 bool set_shade (const char *shade_str);
242 bool set_blur (const char *geom);
243 };
244
245 # if BG_IMAGE_FROM_FILE
246 enum {
247 IM_IS_SET = 1 << 0,
248 IM_IS_SIZE_SENSITIVE = 1 << 1,
249 IM_KEEP_ASPECT = 1 << 2,
250 IM_ROOT_ALIGN = 1 << 3,
251 IM_TILE = 1 << 4,
252 IM_GEOMETRY_FLAGS = IM_KEEP_ASPECT | IM_ROOT_ALIGN | IM_TILE,
253 };
254
255 enum {
256 noScale = 0,
257 windowScale = 100,
258 defaultScale = windowScale,
259 centerAlign = 50,
260 defaultAlign = centerAlign,
261 };
262
263 struct rxvt_image : image_effects
264 {
265 unsigned short alpha;
266 uint8_t flags;
267 unsigned int h_scale, v_scale; /* percents of the window size */
268 int h_align, v_align; /* percents of the window size:
269 0 - left align, 50 - center, 100 - right */
270
271 bool is_size_sensitive ()
272 {
273 return (!(flags & IM_TILE)
274 || h_scale || v_scale
275 || (!(flags & IM_ROOT_ALIGN) && (h_align || v_align)));
276 }
277
278 # if HAVE_PIXBUF
279 GdkPixbuf *pixbuf;
280
281 void destroy ()
282 {
283 if (pixbuf)
284 g_object_unref (pixbuf);
285 }
286
287 int width ()
288 {
289 return gdk_pixbuf_get_width (pixbuf);
290 }
291 int height ()
292 {
293 return gdk_pixbuf_get_height (pixbuf);
294 }
295 # endif
296
297 rxvt_image ();
298 bool set_file_geometry (const char *file);
299 bool set_file (const char *file);
300 bool set_geometry (const char *geom, bool update = false);
301 };
302 # endif
303 #endif
304
305 /*
306 *****************************************************************************
307 * STRUCTURES AND TYPEDEFS
308 *****************************************************************************
309 */
310
311 /*
312 * the 'essential' information for reporting Mouse Events
313 * pared down from XButtonEvent
314 */
315 struct mouse_event
316 {
317 int clicks;
318 Time time; /* milliseconds */
319 unsigned int state; /* key or button mask */
320 unsigned int button; /* detail */
321 };
322
323 #if ENABLE_XEMBED
324 // XEMBED messages
325 # define XEMBED_EMBEDDED_NOTIFY 0
326 # define XEMBED_WINDOW_ACTIVATE 1
327 # define XEMBED_WINDOW_DEACTIVATE 2
328 # define XEMBED_REQUEST_FOCUS 3
329 # define XEMBED_FOCUS_IN 4
330 # define XEMBED_FOCUS_OUT 5
331 # define XEMBED_FOCUS_NEXT 6
332 # define XEMBED_FOCUS_PREV 7
333
334 # define XEMBED_MODALITY_ON 10
335 # define XEMBED_MODALITY_OFF 11
336 # define XEMBED_REGISTER_ACCELERATOR 12
337 # define XEMBED_UNREGISTER_ACCELERATOR 13
338 # define XEMBED_ACTIVATE_ACCELERATOR 14
339
340 // XEMBED detail code
341 # define XEMBED_FOCUS_CURRENT 0
342 # define XEMBED_FOCUS_FIRST 1
343 # define XEMBED_FOCUS_LAST 2
344
345 # define XEMBED_MAPPED (1 << 0)
346 #endif
347
348 /*
349 *****************************************************************************
350 * NORMAL DEFINES
351 *****************************************************************************
352 */
353
354 /* COLORTERM, TERM environment variables */
355 #define COLORTERMENV "rxvt"
356 #if BG_IMAGE_FROM_FILE
357 # define COLORTERMENVFULL COLORTERMENV "-xpm"
358 #else
359 # define COLORTERMENVFULL COLORTERMENV
360 #endif
361 #ifndef TERMENV
362 # if USE_256_COLORS
363 # define TERMENV "rxvt-unicode-256color"
364 # else
365 # define TERMENV "rxvt-unicode"
366 # endif
367 #endif
368
369 #if defined (NO_MOUSE_REPORT) && !defined (NO_MOUSE_REPORT_SCROLLBAR)
370 # define NO_MOUSE_REPORT_SCROLLBAR 1
371 #endif
372
373 #define scrollBar_esc 30
374
375 #if !defined (RXVT_SCROLLBAR) && !defined (NEXT_SCROLLBAR)
376 # define NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING 1
377 #endif
378
379 enum {
380 NO_REFRESH = 0, /* Window not visible at all! */
381 FAST_REFRESH = 1, /* Fully exposed window */
382 SLOW_REFRESH = 2, /* Partially exposed window */
383 };
384
385 #ifdef NO_SECONDARY_SCREEN
386 # define NSCREENS 0
387 #else
388 # define NSCREENS 1
389 #endif
390
391 /* flags for rxvt_term::scr_gotorc () */
392 enum {
393 C_RELATIVE = 1, /* col movement is relative */
394 R_RELATIVE = 2, /* row movement is relative */
395 RELATIVE = C_RELATIVE | R_RELATIVE,
396 };
397
398 /* modes for rxvt_term::scr_insdel_chars (), rxvt_term::scr_insdel_lines () */
399 enum {
400 INSERT = -1, /* don't change these values */
401 DELETE = +1,
402 ERASE = +2,
403 };
404
405 /* modes for rxvt_term::scr_page () - scroll page. used by scrollbar window */
406 enum page_dirn {
407 UP,
408 DN,
409 NO_DIR,
410 };
411
412 /* arguments for rxvt_term::scr_change_screen () */
413 enum {
414 PRIMARY = 0,
415 SECONDARY,
416 };
417
418 // define various rendition bits and masks. the rendition word
419 // is 32 bits in size, and we should use it as efficiently as possible
420
421 #define RS_None 0
422
423 // GET_BGATTR depends on RS_fgShift > RS_bgShift
424 #define RS_colorMask ((1UL << Color_Bits) - 1UL)
425 #define RS_bgShift 0
426 #define RS_fgShift (RS_bgShift + Color_Bits)
427 #define RS_bgMask (RS_colorMask << RS_bgShift)
428 #define RS_fgMask (RS_colorMask << RS_fgShift)
429
430 // must have space for rxvt_fontset::fontCount * 2 + 2 values
431 #define RS_fontShift (RS_fgShift + Color_Bits)
432 #define RS_Careful (1UL << RS_fontShift) /* be careful when drawing these */
433 #define RS_fontCount rxvt_fontset::fontCount
434 #define RS_fontMask ((RS_fontCount << (RS_fontShift + 1)) | RS_Careful) // includes RS_Careful
435
436 // toggle this to force redraw, must be != RS_Careful and otherwise "pretty neutral"
437 #define RS_redraw (2UL << RS_fontShift)
438
439 #define RS_Sel (1UL << 22)
440
441 // 4 custom bits for extensions
442 #define RS_customCount 16UL
443 #define RS_customShift 23
444 #define RS_customMask ((RS_customCount - 1UL) << RS_customShift)
445
446 // font styles
447 #define RS_Bold (1UL << RS_styleShift)
448 #define RS_Italic (2UL << RS_styleShift)
449
450 #define RS_styleCount 4
451 #define RS_styleShift 27
452 #define RS_styleMask (RS_Bold | RS_Italic)
453
454 // fake styles
455 #define RS_Blink (1UL << 29)
456 #define RS_RVid (1UL << 30) // reverse video
457 #define RS_Uline (1UL << 31) // underline
458
459 #define RS_baseattrMask (RS_Italic | RS_Bold | RS_Blink | RS_RVid | RS_Uline)
460 #define RS_attrMask (RS_baseattrMask | RS_fontMask)
461
462 #define DEFAULT_RSTYLE (RS_None | (Color_fg << RS_fgShift) | (Color_bg << RS_bgShift))
463 #define OVERLAY_RSTYLE (RS_None | (Color_Black << RS_fgShift) | (Color_Yellow << RS_bgShift))
464
465 enum {
466 C0_NUL = 0x00,
467 C0_SOH, C0_STX, C0_ETX, C0_EOT, C0_ENQ, C0_ACK, C0_BEL,
468 C0_BS , C0_HT , C0_LF , C0_VT , C0_FF , C0_CR , C0_SO , C0_SI ,
469 C0_DLE, C0_DC1, C0_DC2, D0_DC3, C0_DC4, C0_NAK, C0_SYN, C0_ETB,
470 C0_CAN, C0_EM , C0_SUB, C0_ESC, C0_IS4, C0_IS3, C0_IS2, C0_IS1,
471 };
472 #define CHAR_ST 0x9c /* 0234 */
473
474 /*
475 * XTerm Operating System Commands: ESC ] Ps;Pt (ST|BEL)
476 * colour extensions by Christian W. Zuckschwerdt <zany@triq.net>
477 */
478 enum {
479 XTerm_name = 0,
480 XTerm_iconName = 1,
481 XTerm_title = 2,
482 XTerm_property = 3, // change X property
483 XTerm_Color = 4, // change colors
484 XTerm_Color00 = 10, // change fg color
485 XTerm_Color01 = 11, // change bg color
486 XTerm_Color_cursor = 12, // change actual 'Cursor' color
487 XTerm_Color_pointer_fg = 13, // change actual 'Pointer' fg color
488 XTerm_Color_pointer_bg = 14, // change actual 'Pointer' bg color
489 XTerm_Color05 = 15, // not implemented (tektronix fg)
490 XTerm_Color06 = 16, // not implemented (tektronix bg)
491 XTerm_Color_HC = 17, // change actual 'Highlight' bg color
492 XTerm_Color_HTC = 19, // change actual 'Highlight' fg color
493 XTerm_logfile = 46, // not implemented
494 XTerm_font = 50,
495
496 XTerm_konsole30 = 30, // reserved for konsole
497 XTerm_konsole31 = 31, // reserved for konsole
498 XTerm_emacs51 = 51, // reserved for emacs shell
499 /*
500 * rxvt extensions of XTerm OSCs: ESC ] Ps;Pt (ST|BEL)
501 */
502
503 // deprecated
504 Rxvt_restoreFG = 39,
505 Rxvt_restoreBG = 49,
506
507 Rxvt_Pixmap = 20, // new bg pixmap
508 Rxvt_dumpscreen = 55, // dump scrollback and all of screen
509
510 URxvt_locale = 701, // change locale
511 URxvt_version = 702, // request version
512
513 URxvt_Color_IT = 704, // change actual 'Italic' colour
514 URxvt_Color_tint = 705, // change actual tint colour
515 URxvt_Color_BD = 706, // change actual 'Bold' color
516 URxvt_Color_UL = 707, // change actual 'Underline' color
517 URxvt_Color_border = 708,
518
519 URxvt_font = 710,
520 URxvt_boldFont = 711,
521 URxvt_italicFont = 712,
522 URxvt_boldItalicFont = 713,
523
524 URxvt_view_up = 720,
525 URxvt_view_down = 721,
526
527 URxvt_perl = 777, // for use by perl extensions, starts with "extension-name;"
528 };
529
530 /* Words starting with `Color_' are colours. Others are counts */
531 /*
532 * The PixColor and rendition colour usage should probably be decoupled
533 * on the unnecessary items, e.g. Color_pointer, but won't bother
534 * until we need to. Also, be aware of usage in pixcolor_set
535 */
536
537 enum colour_list {
538 Color_none = -2,
539 Color_transparent = -1,
540 Color_fg = 0,
541 Color_bg,
542 minCOLOR, /* 2 */
543 Color_Black = minCOLOR,
544 Color_Red3,
545 Color_Green3,
546 Color_Yellow3,
547 Color_Blue3,
548 Color_Magenta3,
549 Color_Cyan3,
550 maxCOLOR, /* minCOLOR + 7 */
551 #ifndef NO_BRIGHTCOLOR
552 Color_AntiqueWhite = maxCOLOR,
553 minBrightCOLOR, /* maxCOLOR + 1 */
554 Color_Grey25 = minBrightCOLOR,
555 Color_Red,
556 Color_Green,
557 Color_Yellow,
558 Color_Blue,
559 Color_Magenta,
560 Color_Cyan,
561 maxBrightCOLOR, /* minBrightCOLOR + 7 */
562 Color_White = maxBrightCOLOR,
563 #else
564 Color_White = maxCOLOR,
565 #endif
566 minTermCOLOR = Color_White + 1,
567 #if USE_256_COLORS
568 maxTermCOLOR = Color_White + 240,
569 #else
570 maxTermCOLOR = Color_White + 72,
571 #endif
572 #ifndef NO_CURSORCOLOR
573 Color_cursor,
574 Color_cursor2,
575 #endif
576 Color_pointer_fg,
577 Color_pointer_bg,
578 Color_border,
579 #ifndef NO_BOLD_UNDERLINE_REVERSE
580 Color_BD,
581 Color_IT,
582 Color_UL,
583 Color_RV,
584 #endif
585 #if ENABLE_FRILLS
586 Color_underline,
587 #endif
588 #ifdef OPTION_HC
589 Color_HC,
590 Color_HTC,
591 #endif
592 Color_scroll,
593 #ifdef RXVT_SCROLLBAR
594 Color_trough,
595 #endif
596 #if ENABLE_TRANSPARENCY
597 Color_tint,
598 #endif
599 #if OFF_FOCUS_FADING
600 Color_fade,
601 #endif
602 NRS_COLORS, /* */
603 #ifdef RXVT_SCROLLBAR
604 Color_topShadow = NRS_COLORS,
605 Color_bottomShadow,
606 TOTAL_COLORS
607 #else
608 TOTAL_COLORS = NRS_COLORS
609 #endif
610 };
611
612 #if USE_256_COLORS
613 # define Color_Bits 9 // 0 .. maxTermCOLOR
614 #else
615 # define Color_Bits 7 // 0 .. maxTermCOLOR
616 #endif
617
618 /*
619 * Resource list
620 */
621 enum {
622 # define def(name) Rs_ ## name,
623 # define reserve(name,count) Rs_ ## name ## _ = Rs_ ## name + (count) - 1,
624 # include "rsinc.h"
625 # undef def
626 # undef reserve
627 NUM_RESOURCES
628 };
629
630 /* DEC private modes */
631 #define PrivMode_132 (1UL<<0)
632 #define PrivMode_132OK (1UL<<1)
633 #define PrivMode_rVideo (1UL<<2)
634 #define PrivMode_relOrigin (1UL<<3)
635 #define PrivMode_Screen (1UL<<4)
636 #define PrivMode_Autowrap (1UL<<5)
637 #define PrivMode_aplCUR (1UL<<6)
638 #define PrivMode_aplKP (1UL<<7)
639 #define PrivMode_HaveBackSpace (1UL<<8)
640 #define PrivMode_BackSpace (1UL<<9)
641 #define PrivMode_ShiftKeys (1UL<<10)
642 #define PrivMode_VisibleCursor (1UL<<11)
643 #define PrivMode_MouseX10 (1UL<<12)
644 #define PrivMode_MouseX11 (1UL<<13)
645 #define PrivMode_scrollBar (1UL<<14)
646 #define PrivMode_TtyOutputInh (1UL<<15)
647 #define PrivMode_Keypress (1UL<<16)
648 #define PrivMode_smoothScroll (1UL<<17)
649 #define PrivMode_vt52 (1UL<<18)
650 #define PrivMode_LFNL (1UL<<19)
651 #define PrivMode_MouseBtnEvent (1UL<<20)
652 #define PrivMode_MouseAnyEvent (1UL<<21)
653 #define PrivMode_BracketPaste (1UL<<22)
654 #define PrivMode_ExtModeMouse (1UL<<23) // xterm pseudo-utf-8 hack
655 #define PrivMode_ExtMouseRight (1UL<<24) // xterm pseudo-utf-8, but works in non-utf-8-locales
656
657 #define PrivMode_mouse_report (PrivMode_MouseX10|PrivMode_MouseX11|PrivMode_MouseBtnEvent|PrivMode_MouseAnyEvent)
658
659 #ifdef ALLOW_132_MODE
660 # define PrivMode_Default (PrivMode_Autowrap|PrivMode_ShiftKeys|PrivMode_VisibleCursor|PrivMode_132OK)
661 #else
662 # define PrivMode_Default (PrivMode_Autowrap|PrivMode_ShiftKeys|PrivMode_VisibleCursor)
663 #endif
664
665 // do not change these constants lightly, there are many interdependencies
666 #define IMBUFSIZ 128 // input modifier buffer sizes
667 #define KBUFSZ 512 // size of keyboard mapping buffer
668 #define CBUFSIZ 2048 // size of command buffer
669 #define CBUFCNT 8 // never call pty_fill/cmd_parse more than this often in a row
670 #define UBUFSIZ 2048 // character buffer
671
672 #if ENABLE_FRILLS
673 # include <X11/Xmd.h>
674 typedef struct _mwmhints
675 {
676 CARD32 flags;
677 CARD32 functions;
678 CARD32 decorations;
679 INT32 input_mode;
680 CARD32 status;
681 } MWMHints;
682 #endif
683
684 /* Motif window hints */
685 #define MWM_HINTS_FUNCTIONS (1L << 0)
686 #define MWM_HINTS_DECORATIONS (1L << 1)
687 #define MWM_HINTS_INPUT_MODE (1L << 2)
688 #define MWM_HINTS_STATUS (1L << 3)
689 /* bit definitions for MwmHints.functions */
690 #define MWM_FUNC_ALL (1L << 0)
691 #define MWM_FUNC_RESIZE (1L << 1)
692 #define MWM_FUNC_MOVE (1L << 2)
693 #define MWM_FUNC_MINIMIZE (1L << 3)
694 #define MWM_FUNC_MAXIMIZE (1L << 4)
695 #define MWM_FUNC_CLOSE (1L << 5)
696 /* bit definitions for MwmHints.decorations */
697 #define MWM_DECOR_ALL (1L << 0)
698 #define MWM_DECOR_BORDER (1L << 1)
699 #define MWM_DECOR_RESIZEH (1L << 2)
700 #define MWM_DECOR_TITLE (1L << 3)
701 #define MWM_DECOR_MENU (1L << 4)
702 #define MWM_DECOR_MINIMIZE (1L << 5)
703 #define MWM_DECOR_MAXIMIZE (1L << 6)
704 /* bit definitions for MwmHints.inputMode */
705 #define MWM_INPUT_MODELESS 0
706 #define MWM_INPUT_PRIMARY_APPLICATION_MODAL 1
707 #define MWM_INPUT_SYSTEM_MODAL 2
708 #define MWM_INPUT_FULL_APPLICATION_MODAL 3
709 #define PROP_MWM_HINTS_ELEMENTS 5
710
711 /*
712 *****************************************************************************
713 * MACRO DEFINES
714 *****************************************************************************
715 */
716
717 // speed hack, copy some member variable into a local variable of the same name
718 #define dLocal(type,name) type const name = this->name
719
720 // for speed reasons, we assume that all codepoints 32 to 126 are
721 // single-width.
722 #define WCWIDTH(c) (IN_RANGE_INC (c, 0x20, 0x7e) ? 1 : wcwidth (c))
723
724 /* convert pixel dimensions to row/column values. Everything as int32_t */
725 #define Pixel2Col(x) Pixel2Width((int32_t)(x))
726 #define Pixel2Row(y) Pixel2Height((int32_t)(y))
727 #define Pixel2Width(x) ((int32_t)(x) / (int32_t)fwidth)
728 #define Pixel2Height(y) ((int32_t)(y) / (int32_t)fheight)
729 #define Col2Pixel(col) ((int32_t)Width2Pixel(col))
730 #define Row2Pixel(row) ((int32_t)Height2Pixel(row))
731 #define Width2Pixel(n) ((int32_t)(n) * (int32_t)fwidth)
732 #define Height2Pixel(n) ((int32_t)(n) * (int32_t)fheight)
733
734 #define LINENO_of(t,n) MOD ((t)->term_start + int(n), (t)->total_rows)
735 #define ROW_of(t,n) (t)->row_buf [LINENO_of ((t), n)]
736
737 #define LINENO(n) LINENO_of (this, n)
738 #define ROW(n) ROW_of (this, n)
739
740 /* how to build & extract colors and attributes */
741 #define GET_BASEFG(x) (((x) & RS_fgMask) >> RS_fgShift)
742 #define GET_BASEBG(x) (((x) & RS_bgMask) >> RS_bgShift)
743
744 #define GET_FONT(x) (((x) & RS_fontMask) >> RS_fontShift)
745 #define SET_FONT(x,fid) (((x) & ~RS_fontMask) | ((fid) << RS_fontShift))
746
747 #define GET_STYLE(x) (((x) & RS_styleMask) >> RS_styleShift)
748 #define SET_STYLE(x,style) (((x) & ~RS_styleMask) | ((style) << RS_styleShift))
749
750 #define GET_ATTR(x) (((x) & RS_attrMask))
751 // return attributes defining the background, encoding doesn't matter
752 // depends on RS_fgShift > RS_bgShift
753 #define GET_BGATTR(x) \
754 (ecb_unlikely ((x) & RS_RVid) \
755 ? (((x) & (RS_attrMask & ~RS_RVid)) \
756 | (((x) & RS_fgMask) >> (RS_fgShift - RS_bgShift))) \
757 : ((x) & (RS_attrMask | RS_bgMask)))
758 #define SET_FGCOLOR(x,fg) (((x) & ~RS_fgMask) | ((fg) << RS_fgShift))
759 #define SET_BGCOLOR(x,bg) (((x) & ~RS_bgMask) | ((bg) << RS_bgShift))
760 #define SET_ATTR(x,a) (((x) & ~RS_attrMask) | (a))
761
762 #define RS_SAME(a,b) (!(((a) ^ (b)) & ~RS_Careful))
763
764 #define PIXCOLOR_NAME(idx) rs[Rs_color + (idx)]
765 #define ISSET_PIXCOLOR(idx) (!!rs[Rs_color + (idx)])
766
767 #if ENABLE_STYLES
768 # define FONTSET_of(t,style) (t)->fontset[GET_STYLE (style)]
769 #else
770 # define FONTSET_of(t,style) (t)->fontset[0]
771 #endif
772
773 #define FONTSET(style) FONTSET_of (this, style)
774
775 typedef callback<void (const char *)> log_callback;
776 typedef callback<int (int)> getfd_callback;
777
778 /****************************************************************************/
779
780 #define LINE_LONGER 0x0001 // line is continued on the next row
781 #define LINE_FILTERED 0x0002 // line has been filtered
782 #define LINE_COMPRESSED 0x0004 // line has been compressed (NYI)
783 #define LINE_FILTER 0x0008 // line needs to be filtered before display (NYI)
784 #define LINE_BIDI 0x0010 // line needs bidi (NYI)
785
786 struct line_t
787 {
788 text_t *t; // terminal the text
789 rend_t *r; // rendition, uses RS_ flags
790 tlen_t_ l; // length of each text line
791 uint32_t f; // flags
792
793 bool valid ()
794 {
795 return l >= 0;
796 }
797
798 void alloc ()
799 {
800 l = 0;
801 }
802
803 bool is_longer ()
804 {
805 return f & LINE_LONGER;
806 }
807
808 void is_longer (int set)
809 {
810 if (set)
811 f |= LINE_LONGER;
812 else
813 f &= ~LINE_LONGER;
814 }
815
816 void clear ()
817 {
818 t = 0;
819 r = 0;
820 l = 0;
821 f = 0;
822 }
823
824 void touch () // call whenever a line is changed/touched/updated
825 {
826 #if ENABLE_PERL
827 f &= ~LINE_FILTERED;
828 #endif
829 }
830
831 void touch (int col)
832 {
833 max_it (l, col);
834 touch ();
835 }
836 };
837
838 /****************************************************************************/
839
840 // primitive wrapper around mbstate_t to ensure initialisation
841 struct mbstate
842 {
843 mbstate_t mbs;
844
845 operator mbstate_t *() { return &mbs; }
846 void reset () { memset (&mbs, 0, sizeof (mbs)); }
847 mbstate () { reset (); }
848 };
849
850 /****************************************************************************/
851
852 #define UNICODE_MASK 0x1fffffUL
853
854 #if UNICODE_3
855 # define COMPOSE_LO 0x40000000UL
856 # define COMPOSE_HI 0x400fffffUL
857 # define IS_COMPOSE(n) ((int32_t)(n) >= COMPOSE_LO)
858 #else
859 # if ENABLE_PERL
860 # define COMPOSE_LO 0xe000UL // our _own_ functions don't like (illegal) surrogates
861 # define COMPOSE_HI 0xf8ffUL // in utf-8, so use private use area only
862 # else
863 # define COMPOSE_LO 0xd800UL
864 # define COMPOSE_HI 0xf8ffUL
865 # endif
866 # define IS_COMPOSE(n) IN_RANGE_INC ((n), COMPOSE_LO, COMPOSE_HI)
867 #endif
868
869 #if ENABLE_COMBINING
870 // compose chars are used to represent composite characters
871 // that are not representable in unicode, as well as characters
872 // not fitting in the BMP.
873 struct compose_char
874 {
875 unicode_t c1, c2; // any chars != NOCHAR are valid
876 #if __cplusplus >= 201103L || ECB_GCC_VERSION(4,4)
877 compose_char () = default;
878 #endif
879 compose_char (unicode_t c1, unicode_t c2)
880 : c1(c1), c2(c2)
881 { }
882 };
883
884 class rxvt_composite_vec
885 {
886 vector<compose_char> v;
887 public:
888 text_t compose (unicode_t c1, unicode_t c2 = NOCHAR);
889 int expand (unicode_t c, wchar_t *r);
890 compose_char *operator [](text_t c)
891 {
892 return c >= COMPOSE_LO && c < COMPOSE_LO + v.size ()
893 ? &v[c - COMPOSE_LO]
894 : 0;
895 }
896 };
897
898 extern class rxvt_composite_vec rxvt_composite;
899 #endif
900
901 /****************************************************************************/
902
903 #ifdef KEYSYM_RESOURCE
904 class keyboard_manager;
905 #endif
906
907 typedef struct rxvt_term *rxvt_t;
908
909 extern rxvt_t rxvt_current_term;
910
911 #define SET_R(r) rxvt_current_term = const_cast<rxvt_term *>(r)
912 #define GET_R rxvt_current_term
913
914 /* ------------------------------------------------------------------------- */
915 struct overlay_base
916 {
917 int x, y, w, h; // overlay dimensions
918 text_t **text;
919 rend_t **rend;
920
921 // while tempting to add swap() etc. here, it effectively only increases code size
922 };
923
924 /* ------------------------------------------------------------------------- */
925
926 typedef struct
927 {
928 int row;
929 int col;
930 } row_col_t;
931
932 /*
933 * terminal limits:
934 *
935 * width : 1 <= width
936 * height : 1 <= height
937 * ncol : 1 <= ncol <= MAX(tlen_t)
938 * nrow : 1 <= nrow <= MAX(int)
939 * saveLines : 0 <= saveLines <= MAX(int)
940 * term_start : 0 <= term_start < saveLines
941 * total_rows : nrow + saveLines
942 *
943 * top_row : -saveLines <= top_row <= 0
944 * view_start : top_row <= view_start <= 0
945 *
946 * | most coordinates are stored relative to term_start,
947 * ROW_BUF | which is the first line of the terminal screen
948 * |························= row_buf[0]
949 * |························= row_buf[1]
950 * |························= row_buf[2] etc.
951 * |
952 * +------------+···········= term_start + top_row
953 * | scrollback |
954 * | scrollback +---------+·= term_start + view_start
955 * | scrollback | display |
956 * | scrollback | display |
957 * +------------+·display·+·= term_start
958 * | terminal | display |
959 * | terminal +---------+
960 * | terminal |
961 * | terminal |
962 * +------------+···········= term_start + nrow - 1
963 * |
964 * |
965 * END······················= total_rows
966 */
967
968 struct TermWin_t
969 {
970 int vt_width; /* actual window width [pixels] */
971 int vt_height; /* actual window height [pixels] */
972 int width; /* window width [pixels] */
973 int height; /* window height [pixels] */
974 int fwidth; /* font width [pixels] */
975 int fheight; /* font height [pixels] */
976 int fbase; /* font ascent (baseline) [pixels] */
977 int ncol; /* window columns [characters] */
978 int nrow; /* window rows [characters] */
979 int focus; /* window has focus */
980 int mapped; /* window state mapped? */
981 int int_bwidth; /* internal border width */
982 int ext_bwidth; /* external border width */
983 int lineSpace; /* number of extra pixels between rows */
984 int letterSpace; /* number of extra pixels between columns */
985 int saveLines; /* number of lines that fit in scrollback */
986 int total_rows; /* total number of rows in this terminal */
987 int term_start; /* term lines start here */
988 int view_start; /* scrollback view starts here */
989 int top_row; /* topmost row index of scrollback */
990 Window parent; /* parent identifier */
991 Window vt; /* vt100 window */
992 GC gc; /* GC for drawing */
993 rxvt_drawable *drawable;
994 rxvt_fontset *fontset[4];
995 };
996
997 /*
998 * screen accounting:
999 * screen_t elements
1000 * row: Cursor row position : 0 <= row < nrow
1001 * col: Cursor column position : 0 <= col < ncol
1002 * tscroll: Scrolling region top row inclusive : 0 <= row < nrow
1003 * bscroll: Scrolling region bottom row inclusive : 0 <= row < nrow
1004 *
1005 * selection_t elements
1006 * clicks: 1, 2 or 3 clicks - 4 indicates a special condition of 1 where
1007 * nothing is selected
1008 * beg: row/column of beginning of selection : never past mark
1009 * mark: row/column of initial click : never past end
1010 * end: row/column of one character past end of selection
1011 * * Note: top_row <= beg.row <= mark.row <= end.row < nrow
1012 * * Note: col == -1 ==> we're left of screen
1013 *
1014 */
1015 struct screen_t
1016 {
1017 row_col_t cur; /* cursor position on the screen */
1018 int tscroll; /* top of settable scroll region */
1019 int bscroll; /* bottom of settable scroll region */
1020 unsigned int charset; /* character set number [0..3] */
1021 unsigned int flags; /* see below */
1022 row_col_t s_cur; /* saved cursor position */
1023 unsigned int s_charset; /* saved character set number [0..3] */
1024 char s_charset_char;
1025 rend_t s_rstyle; /* saved rendition style */
1026 };
1027
1028 enum selection_op_t
1029 {
1030 SELECTION_CLEAR = 0, /* nothing selected */
1031 SELECTION_INIT, /* marked a point */
1032 SELECTION_BEGIN, /* started a selection */
1033 SELECTION_CONT, /* continued selection */
1034 SELECTION_DONE /* selection put in CUT_BUFFER0 */
1035 };
1036
1037 struct selection_t
1038 {
1039 wchar_t *text; /* selected text */
1040 unsigned int len; /* length of selected text */
1041 unsigned int screen; /* screen being used */
1042 unsigned int clicks; /* number of clicks */
1043 selection_op_t op; /* current operation */
1044 bool rect; /* rectangular selection? */
1045 row_col_t beg; /* beginning of selection <= mark */
1046 row_col_t mark; /* point of initial click <= end */
1047 row_col_t end; /* one character past end point */
1048 wchar_t *clip_text; /* text copied to the clipboard */
1049 unsigned int clip_len; /* length of clipboard text */
1050 };
1051
1052 /* ------------------------------------------------------------------------- */
1053
1054 /* screen_t flags */
1055 #define Screen_Relative (1<<0) /* relative origin mode flag */
1056 #define Screen_VisibleCursor (1<<1) /* cursor visible? */
1057 #define Screen_Autowrap (1<<2) /* auto-wrap flag */
1058 #define Screen_Insert (1<<3) /* insert mode (vs. overstrike) */
1059 #define Screen_WrapNext (1<<4) /* need to wrap for next char? */
1060 #define Screen_DefaultFlags (Screen_VisibleCursor | Screen_Autowrap)
1061
1062 /* rxvt_vars.options */
1063 enum {
1064 # define def(name) Opt_ ## name,
1065 # define nodef(name) Opt_prev_ ## name, Opt_ ## name = 0, Opt_next_ ## name = Opt_prev_ ## name - 1,
1066 Opt_0,
1067 # include "optinc.h"
1068 # undef nodef
1069 # undef def
1070 Opt_count
1071 };
1072
1073 /* ------------------------------------------------------------------------- */
1074
1075 struct rxvt_vars : TermWin_t
1076 {
1077 scrollBar_t scrollBar;
1078 uint8_t options[(Opt_count + 7) >> 3];
1079 XSizeHints szHint;
1080 rxvt_color *pix_colors;
1081 Cursor TermWin_cursor; /* cursor for vt window */
1082
1083 line_t *row_buf; // all lines, scrollback + terminal, circular
1084 line_t *drawn_buf; // text on screen
1085 line_t *swap_buf; // lines for swap buffer
1086 char *tabs; /* per location: 1 == tab-stop */
1087 screen_t screen;
1088 screen_t swap;
1089 selection_t selection;
1090 rxvt_color pix_colors_focused[TOTAL_COLORS];
1091 #ifdef OFF_FOCUS_FADING
1092 rxvt_color pix_colors_unfocused[TOTAL_COLORS];
1093 #endif
1094 };
1095
1096 struct rxvt_term : zero_initialized, rxvt_vars, rxvt_screen
1097 {
1098
1099 // special markers with magic addresses
1100 static const char resval_undef []; // options specifically unset
1101 static const char resval_on []; // boolean options switched on
1102 static const char resval_off []; // or off
1103
1104 log_callback *log_hook; // log error messages through this hook, if != 0
1105 getfd_callback *getfd_hook; // convert remote to local fd, if != 0
1106 #if ENABLE_PERL
1107 rxvt_perl_term perl;
1108 #endif
1109 struct mbstate mbstate; // current input multibyte state
1110
1111 unsigned char want_refresh:1,
1112 current_screen:1, /* primary or secondary */
1113 num_scr_allow:1,
1114 bypass_keystate:1,
1115 #if ENABLE_FRILLS
1116 urgency_hint:1,
1117 #endif
1118 #if CURSOR_BLINK
1119 hidden_cursor:1,
1120 #endif
1121 #if TEXT_BLINK
1122 hidden_text:1,
1123 #endif
1124 #if POINTER_BLANK
1125 hidden_pointer:1,
1126 #endif
1127 enc_utf8:1, /* whether locale uses utf-8 */
1128 seen_input:1, /* whether we have seen some program output yet */
1129 seen_resize:1, /* whether we had a resize event */
1130 init_done:1,
1131 parsed_geometry:1;
1132
1133 unsigned char refresh_type,
1134 #ifdef META8_OPTION
1135 meta_char; /* Alt-key prefix */
1136 #endif
1137 /* ---------- */
1138 bool rvideo_state, rvideo_mode;
1139 #ifndef NO_BELL
1140 bool rvideo_bell;
1141 #endif
1142 int num_scr; /* screen: number of lines scrolled */
1143 int prev_ncol, /* screen: previous number of columns */
1144 prev_nrow; /* screen: previous number of rows */
1145 /* ---------- */
1146 rend_t rstyle;
1147 /* ---------- */
1148 #ifdef SELECTION_SCROLLING
1149 int scroll_selection_lines;
1150 enum page_dirn scroll_selection_dir;
1151 int selection_save_x,
1152 selection_save_y,
1153 selection_save_state;
1154 #endif
1155 /* ---------- */
1156 int csrO, /* Hops - csr offset in thumb/slider to */
1157 /* give proper Scroll behaviour */
1158 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1159 mouse_slip_wheel_speed,
1160 #endif
1161 refresh_count,
1162 window_vt_x,
1163 window_vt_y,
1164 mouse_row,
1165 mouse_col,
1166 # ifdef POINTER_BLANK
1167 pointerBlankDelay,
1168 # endif
1169 allowedxerror;
1170 /* ---------- */
1171 unsigned int ModLevel3Mask,
1172 ModMetaMask,
1173 ModNumLockMask;
1174 unsigned long priv_modes,
1175 SavedModes;
1176 /* ---------- */
1177 Atom *xa;
1178 /* ---------- */
1179 Time selection_time,
1180 clipboard_time;
1181 rxvt_selection *selection_req;
1182 pid_t cmd_pid; /* process id of child */
1183 /* ---------- */
1184 struct mouse_event MEvent;
1185 XComposeStatus compose;
1186 static struct termios def_tio;
1187 row_col_t oldcursor;
1188 #ifdef HAVE_BG_PIXMAP
1189 void bg_init ();
1190 void bg_destroy ();
1191
1192 enum {
1193 BG_IS_VALID = 1 << 0,
1194
1195 BG_IS_TRANSPARENT = 1 << 1,
1196 BG_NEEDS_REFRESH = 1 << 2,
1197 };
1198
1199 uint8_t bg_flags;
1200
1201 # if BG_IMAGE_FROM_FILE
1202 vector<rxvt_image> image_vec;
1203 rxvt_image *new_image ()
1204 {
1205 image_vec.resize (image_vec.size () + 1);
1206 return &image_vec.back ();
1207 }
1208 void get_image_geometry (rxvt_image &image, int &w, int &h, int &x, int &y);
1209 bool render_image (rxvt_image &image);
1210 void parse_image (int id, const char *type, const char *arg);
1211 # endif
1212
1213 # if ENABLE_TRANSPARENCY
1214 Pixmap root_pixmap; /* current root pixmap set */
1215 image_effects root_effects;
1216
1217 void bg_set_transparent ()
1218 {
1219 bg_flags |= BG_IS_TRANSPARENT;
1220 }
1221 void bg_set_root_pixmap ();
1222 bool render_root_image ();
1223 # endif
1224
1225 bool blur_pixmap (Pixmap pixmap, int width, int height, bool argb, int h_blurRadius, int v_blurRadius);
1226 bool tint_pixmap (Pixmap pixmap, int width, int height, bool argb, rxvt_color &tint, bool tint_set, int shade);
1227 void tint_ximage (XImage *ximage, rxvt_color &tint, bool tint_set, int shade);
1228
1229 ev_tstamp bg_valid_since;
1230
1231 Pixmap bg_pixmap;
1232 unsigned int bg_pmap_width, bg_pmap_height;
1233
1234 int target_x;
1235 int target_y;
1236 bool bg_set_position (int x, int y);
1237 bool bg_window_size_sensitive ();
1238 bool bg_window_position_sensitive ();
1239
1240 bool bg_render ();
1241 void bg_invalidate ()
1242 {
1243 bg_flags &= ~BG_IS_VALID;
1244 }
1245 #endif
1246 #if HAVE_PIXBUF
1247 bool pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
1248 int src_x, int src_y, int dst_x, int dst_y,
1249 unsigned int width, unsigned int height, bool argb);
1250 #endif
1251
1252 #if ENABLE_OVERLAY
1253 overlay_base ov;
1254
1255 void scr_swap_overlay () NOTHROW;
1256 void scr_overlay_new (int x, int y, int w, int h) NOTHROW;
1257 void scr_overlay_off () NOTHROW;
1258 void scr_overlay_set (int x, int y,
1259 text_t text,
1260 rend_t rend = OVERLAY_RSTYLE) NOTHROW;
1261 void scr_overlay_set (int x, int y, const char *s) NOTHROW;
1262 void scr_overlay_set (int x, int y, const wchar_t *s) NOTHROW;
1263 #endif
1264
1265 vector<void *> allocated; // free these memory blocks with free()
1266
1267 int parent_x, parent_y; // parent window position relative to root, only updated on demand
1268
1269 char *locale;
1270 char charsets[4];
1271 char *v_buffer; /* pointer to physical buffer */
1272 unsigned int v_buflen; /* size of area to write */
1273 stringvec *argv, *envv; /* if != 0, will be freed at destroy time */
1274
1275 #ifdef KEYSYM_RESOURCE
1276 keyboard_manager *keyboard;
1277 #endif
1278 #ifndef NO_RESOURCES
1279 XrmDatabase option_db;
1280 #endif
1281
1282 const char *rs[NUM_RESOURCES];
1283 /* command input buffering */
1284 char *cmdbuf_ptr, *cmdbuf_endp;
1285 char cmdbuf_base[CBUFSIZ];
1286
1287 ptytty *pty;
1288
1289 // chunk contains all line_t's as well as rend_t and text_t buffers
1290 // for drawn_buf, swap_buf and row_buf, in this order
1291 void *chunk;
1292 size_t chunk_size;
1293
1294 static vector<rxvt_term *> termlist; // a vector of all running rxvt_term's
1295
1296 #if ENABLE_FRILLS || ISO_14755
1297 // ISO 14755 entry support
1298 unicode_t iso14755buf;
1299 void commit_iso14755 ();
1300 # if ISO_14755
1301 void iso14755_51 (unicode_t ch, rend_t r = DEFAULT_RSTYLE, int x = 0, int y = -1);
1302 void iso14755_54 (int x, int y);
1303 # endif
1304 #endif
1305
1306 long vt_emask, vt_emask_perl, vt_emask_xim, vt_emask_mouse;
1307
1308 void vt_select_input () const NOTHROW
1309 {
1310 XSelectInput (dpy, vt, vt_emask | vt_emask_perl | vt_emask_xim | vt_emask_mouse);
1311 }
1312
1313 #if ENABLE_TRANSPARENCY || ENABLE_PERL
1314 void rootwin_cb (XEvent &xev);
1315 xevent_watcher rootwin_ev;
1316 #endif
1317 #ifdef HAVE_BG_PIXMAP
1318 void update_background ();
1319 void update_background_cb (ev::timer &w, int revents);
1320 ev::timer update_background_ev;
1321 #endif
1322
1323 void x_cb (XEvent &xev);
1324 xevent_watcher termwin_ev;
1325 xevent_watcher vt_ev;
1326 xevent_watcher scrollbar_ev;
1327
1328 void child_cb (ev::child &w, int revents); ev::child child_ev;
1329 void destroy_cb (ev::idle &w, int revents); ev::idle destroy_ev;
1330 void refresh_check ();
1331 void flush ();
1332 void flush_cb (ev::timer &w, int revents); ev::timer flush_ev;
1333 void cmdbuf_reify ();
1334 void cmdbuf_append (const char *str, size_t count);
1335 bool pty_fill ();
1336 void pty_cb (ev::io &w, int revents); ev::io pty_ev;
1337
1338 #ifdef CURSOR_BLINK
1339 void cursor_blink_reset ();
1340 void cursor_blink_cb (ev::timer &w, int revents); ev::timer cursor_blink_ev;
1341 #endif
1342 #ifdef TEXT_BLINK
1343 void text_blink_cb (ev::timer &w, int revents); ev::timer text_blink_ev;
1344 #endif
1345 #ifndef NO_BELL
1346 void bell_cb (ev::timer &w, int revents); ev::timer bell_ev;
1347 #endif
1348
1349 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1350 void cont_scroll_cb (ev::timer &w, int revents); ev::timer cont_scroll_ev;
1351 #endif
1352 #ifdef SELECTION_SCROLLING
1353 void sel_scroll_cb (ev::timer &w, int revents); ev::timer sel_scroll_ev;
1354 #endif
1355 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1356 void slip_wheel_cb (ev::timer &w, int revents); ev::timer slip_wheel_ev;
1357 #endif
1358
1359 #ifdef POINTER_BLANK
1360 void pointer_cb (ev::timer &w, int revents); ev::timer pointer_ev;
1361 void pointer_blank ();
1362 #endif
1363 void pointer_unblank ();
1364
1365 void tt_printf (const char *fmt,...);
1366 void tt_write (const char *data, unsigned int len);
1367 void pty_write ();
1368
1369 void make_current () const // make this the "currently active" urxvt instance
1370 {
1371 SET_R (this);
1372 set_environ (envv);
1373 rxvt_set_locale (locale);
1374 }
1375
1376 #if USE_XIM
1377 rxvt_xim *input_method;
1378 XIC Input_Context;
1379 XIMStyle input_style;
1380 XPoint spot; // most recently sent spot position
1381
1382 void im_destroy ();
1383 void im_cb (); im_watcher im_ev;
1384 void im_set_size (XRectangle &size);
1385 void im_set_position (XPoint &pos) NOTHROW;
1386 void im_set_color (unsigned long &fg, unsigned long &bg);
1387 void im_set_preedit_area (XRectangle &preedit_rect, XRectangle &status_rect, const XRectangle &needed_rect);
1388
1389 bool im_is_running ();
1390 void im_send_spot ();
1391 bool im_get_ic (const char *modifiers);
1392 void im_set_position ();
1393 #endif
1394
1395 // command.C
1396 void key_press (XKeyEvent &ev);
1397 void key_release (XKeyEvent &ev);
1398
1399 wchar_t next_char () NOTHROW;
1400 wchar_t cmd_getc () THROW ((class out_of_input));
1401 uint32_t next_octet () NOTHROW;
1402 uint32_t cmd_get8 () THROW ((class out_of_input));
1403
1404 void cmd_parse ();
1405 void mouse_report (XButtonEvent &ev);
1406 void button_press (XButtonEvent &ev);
1407 void button_release (XButtonEvent &ev);
1408 void focus_in ();
1409 void focus_out ();
1410 #if ENABLE_FRILLS
1411 void set_urgency (bool enable);
1412 #else
1413 void set_urgency (bool enable) { }
1414 #endif
1415 void update_fade_color (unsigned int idx);
1416 #ifdef PRINTPIPE
1417 FILE *popen_printer ();
1418 int pclose_printer (FILE *stream);
1419 #endif
1420 void process_print_pipe ();
1421 void process_nonprinting (unicode_t ch);
1422 void process_escape_vt52 (unicode_t ch);
1423 void process_escape_seq ();
1424 void process_csi_seq ();
1425 void process_window_ops (const int *args, unsigned int nargs);
1426 char *get_to_st (unicode_t &ends_how);
1427 void process_dcs_seq ();
1428 void process_osc_seq ();
1429 void process_color_seq (int report, int color, const char *str, char resp);
1430 void process_xterm_seq (int op, char *str, char resp);
1431 int privcases (int mode, unsigned long bit);
1432 void process_terminal_mode (int mode, int priv, unsigned int nargs, const int *arg);
1433 void process_sgr_mode (unsigned int nargs, const int *arg);
1434 // init.C
1435 void init (stringvec *argv, stringvec *envv);
1436 void init (int argc, const char *const *argv, const char *const *envv);
1437 void init2 (int argc, const char *const *argv);
1438 void init_vars ();
1439 const char **init_resources (int argc, const char *const *argv);
1440 void init_env ();
1441 void set_locale (const char *locale);
1442 void init_xlocale ();
1443 void init_command (const char *const *argv);
1444 void run_command (const char *const *argv);
1445 int run_child (const char *const *argv);
1446 void color_aliases (int idx);
1447 void create_windows (int argc, const char *const *argv);
1448 void get_colours ();
1449 void get_ourmods ();
1450 void set_icon (const char *file);
1451 // main.C
1452 void tt_winch ();
1453 rxvt_term ();
1454 ~rxvt_term ();
1455 void destroy ();
1456 void emergency_cleanup ();
1457 void recolour_cursor ();
1458 void resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent);
1459 void window_calc (unsigned int newwidth, unsigned int newheight);
1460 bool set_fonts ();
1461 void set_string_property (Atom prop, const char *str, int len = -1);
1462 void set_mbstring_property (Atom prop, const char *str, int len = -1);
1463 void set_utf8_property (Atom prop, const char *str, int len = -1);
1464 void set_title (const char *str);
1465 void set_icon_name (const char *str);
1466 void set_window_color (int idx, const char *color);
1467 char *get_colorfgbg ();
1468 bool set_color (rxvt_color &color, const char *name);
1469 void alias_color (int dst, int src);
1470 void set_widthheight (unsigned int newwidth, unsigned int newheight);
1471 void get_window_origin (int &x, int &y);
1472
1473 // screen.C
1474
1475 int fgcolor_of (rend_t r) const NOTHROW
1476 {
1477 int base = GET_BASEFG (r);
1478 #ifndef NO_BRIGHTCOLOR
1479 if (r & RS_Bold
1480 # if ENABLE_STYLES
1481 && option (Opt_intensityStyles)
1482 # endif
1483 && IN_RANGE_EXC (base, minCOLOR, minBrightCOLOR))
1484 base += minBrightCOLOR - minCOLOR;
1485 #endif
1486 return base;
1487 }
1488
1489 int bgcolor_of (rend_t r) const NOTHROW
1490 {
1491 int base = GET_BASEBG (r);
1492 #ifndef NO_BRIGHTCOLOR
1493 if (r & RS_Blink
1494 # if ENABLE_STYLES
1495 && option (Opt_intensityStyles)
1496 # endif
1497 && IN_RANGE_EXC (base, minCOLOR, minBrightCOLOR))
1498 base += minBrightCOLOR - minCOLOR;
1499 #endif
1500 return base;
1501 }
1502
1503 bool option (uint8_t opt) const NOTHROW
1504 {
1505 return options[opt >> 3] & (1 << (opt & 7));
1506 }
1507
1508 void set_option (uint8_t opt, bool set = true) NOTHROW;
1509
1510 // modifies first argument(!)
1511 void tt_paste (char *data, unsigned int len) NOTHROW;
1512 void paste (char *data, unsigned int len) NOTHROW;
1513 void scr_alloc () NOTHROW;
1514 void scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const NOTHROW;
1515 void scr_blank_screen_mem (line_t &l, rend_t efs) const NOTHROW;
1516 void scr_kill_char (line_t &l, int col) const NOTHROW;
1517 int scr_scroll_text (int row1, int row2, int count) NOTHROW;
1518 void scr_reset ();
1519 void scr_release () NOTHROW;
1520 void scr_clear (bool really = false) NOTHROW;
1521 void scr_refresh () NOTHROW;
1522 bool scr_refresh_rend (rend_t mask, rend_t value) NOTHROW;
1523 void scr_erase_screen (int mode) NOTHROW;
1524 #if ENABLE_FRILLS
1525 void scr_erase_savelines () NOTHROW;
1526 void scr_backindex () NOTHROW;
1527 void scr_forwardindex () NOTHROW;
1528 #endif
1529 void scr_touch (bool refresh) NOTHROW;
1530 void scr_expose (int x, int y, int width, int height, bool refresh) NOTHROW;
1531 void scr_recolour (bool refresh = true) NOTHROW;
1532 void scr_remap_chars () NOTHROW;
1533 void scr_remap_chars (line_t &l) NOTHROW;
1534
1535 enum cursor_mode { SAVE, RESTORE };
1536
1537 void scr_poweron ();
1538 void scr_soft_reset () NOTHROW;
1539 void scr_cursor (cursor_mode mode) NOTHROW;
1540 void scr_do_wrap () NOTHROW;
1541 void scr_swap_screen () NOTHROW;
1542 void scr_change_screen (int scrn);
1543 void scr_color (unsigned int color, int fgbg) NOTHROW;
1544 void scr_rendition (int set, int style) NOTHROW;
1545 void scr_add_lines (const wchar_t *str, int len, int minlines = 0) NOTHROW;
1546 void scr_backspace () NOTHROW;
1547 void scr_tab (int count, bool ht = false) NOTHROW;
1548 void scr_gotorc (int row, int col, int relative) NOTHROW;
1549 void scr_index (enum page_dirn direction) NOTHROW;
1550 void scr_erase_line (int mode) NOTHROW;
1551 void scr_E () NOTHROW;
1552 void scr_insdel_lines (int count, int insdel) NOTHROW;
1553 void scr_insdel_chars (int count, int insdel) NOTHROW;
1554 void scr_scroll_region (int top, int bot) NOTHROW;
1555 void scr_cursor_visible (int mode) NOTHROW;
1556 void scr_autowrap (int mode) NOTHROW;
1557 void scr_relative_origin (int mode) NOTHROW;
1558 void scr_insert_mode (int mode) NOTHROW;
1559 void scr_set_tab (int mode) NOTHROW;
1560 void scr_rvideo_mode (bool on) NOTHROW;
1561 void scr_report_position () NOTHROW;
1562 void set_font_style () NOTHROW;
1563 void scr_charset_choose (int set) NOTHROW;
1564 void scr_charset_set (int set, unsigned int ch) NOTHROW;
1565 void scr_move_to (int y, int len) NOTHROW;
1566 bool scr_page (enum page_dirn direction, int nlines) NOTHROW;
1567 bool scr_changeview (int new_view_start) NOTHROW;
1568 void scr_bell () NOTHROW;
1569 void scr_printscreen (int fullhist) NOTHROW;
1570 void scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) NOTHROW;
1571 void scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) NOTHROW;
1572 void scr_reverse_selection () NOTHROW;
1573 void scr_dump (int fd) NOTHROW;
1574
1575 void selection_check (int check_more) NOTHROW;
1576 void selection_request (Time tm, int selnum = Sel_Primary) NOTHROW;
1577 void selection_clear (bool clipboard = false) NOTHROW;
1578 void selection_make (Time tm);
1579 bool selection_grab (Time tm, bool clipboard = false) NOTHROW;
1580 void selection_start_colrow (int col, int row) NOTHROW;
1581 void selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW;
1582 void selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW;
1583 void selection_remove_trailing_spaces () NOTHROW;
1584 void selection_send (const XSelectionRequestEvent &rq) NOTHROW;
1585 void selection_click (int clicks, int x, int y) NOTHROW;
1586 void selection_extend (int x, int y, int flag) NOTHROW;
1587 void selection_rotate (int x, int y) NOTHROW;
1588
1589 // xdefaults.C
1590 void rxvt_usage (int type);
1591 const char **get_options (int argc, const char *const *argv);
1592 int parse_keysym (const char *str, const char *arg);
1593 const char *x_resource (const char *name);
1594 void extract_resources ();
1595 void extract_keysym_resources ();
1596 void find_resources (const char *n_prefix, const char *c_prefix, int mode,
1597 Bool (*proc)(XrmDatabase *, XrmBindingList, XrmQuarkList, XrmRepresentation *, XrmValue *, XPointer));
1598 bool parse_bool_resource (const char *str)
1599 {
1600 return (!strcasecmp (str, "TRUE")
1601 || !strcasecmp (str, "YES")
1602 || !strcasecmp (str, "ON")
1603 || !strcasecmp (str, "1"));
1604 }
1605 };
1606
1607 #endif /* _RXVT_H_ */
1608