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/cvs/cvsroot/rxvt-unicode/src/rxvt.h
Revision: 1.544
Committed: Mon May 11 22:05:48 2015 UTC (9 years, 2 months ago) by sf-exg
Content type: text/plain
Branch: MAIN
Changes since 1.543: +6 -1 lines
Log Message:
Fix build with --disable-resources --enable-(perl|frills).

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 XRENDER && (HAVE_PIXBUF || ENABLE_TRANSPARENCY)
80 # define HAVE_BG_PIXMAP 1
81 # define HAVE_IMG 1
82 #endif
83
84 #if HAVE_BG_PIXMAP
85 # if HAVE_PIXBUF
86 # define BG_IMAGE_FROM_FILE 1
87 # endif
88 # if ENABLE_TRANSPARENCY
89 # define BG_IMAGE_FROM_ROOT 1
90 # endif
91 #endif
92
93 #include <ecb.h>
94 #include "encoding.h"
95 #include "rxvtutil.h"
96 #include "rxvtfont.h"
97 #include "rxvttoolkit.h"
98 #include "rxvtimg.h"
99 #include "scrollbar.h"
100 #include "ev_cpp.h"
101 #include "libptytty.h"
102
103 #include "rxvtperl.h"
104
105 // this must occur after the last (indirect) include of config.h,
106 // otherwise it has no effect because config.h does not have include guards.
107 #if defined (ISO_14755) || defined(ENABLE_PERL) || defined(KEYSYM_RESOURCE)
108 # undef NO_RESOURCES
109 #endif
110
111 // try to avoid some macros to decrease code size, on some systems
112 #if ENABLE_MINIMAL
113 # define strcmp(a,b) (strcmp)(a,b)
114 # define strlen(a) (strlen)(a)
115 # define strcpy(a,b) (strcpy)(a,b)
116 # define memset(a,c,l) (memset)(a,c,l)
117 # define memcpy(a,b,l) (memcpy)(a,b,l)
118 #endif
119
120 /*
121 *****************************************************************************
122 * SYSTEM HACKS
123 *****************************************************************************
124 */
125
126 #include <termios.h>
127
128 #ifndef STDIN_FILENO
129 # define STDIN_FILENO 0
130 # define STDOUT_FILENO 1
131 # define STDERR_FILENO 2
132 #endif
133
134 #ifndef EXIT_SUCCESS /* missing from <stdlib.h> */
135 # define EXIT_SUCCESS 0 /* exit function success */
136 # define EXIT_FAILURE 1 /* exit function failure */
137 #endif
138
139 /****************************************************************************/
140
141 // exception thrown on fatal (per-instance) errors
142 class rxvt_failure_exception { };
143
144 // exception thrown when the command parser runs out of input data
145 class out_of_input { };
146
147 /*
148 *****************************************************************************
149 * PROTOTYPES
150 *****************************************************************************
151 */
152 // main.C
153 #define SET_LOCALE(locale) rxvt_set_locale (locale)
154 extern bool rxvt_set_locale (const char *locale) NOTHROW;
155 extern void rxvt_push_locale (const char *locale) NOTHROW;
156 extern void rxvt_pop_locale () NOTHROW;
157 void rxvt_init ();
158
159 // misc.C
160 char * rxvt_wcstombs (const wchar_t *str, int len = -1);
161 wchar_t * rxvt_mbstowcs (const char *str, int len = -1);
162 char * rxvt_wcstoutf8 (const wchar_t *str, int len = -1);
163 wchar_t * rxvt_utf8towcs (const char *str, int len = -1);
164
165 const char * rxvt_basename (const char *str) NOTHROW;
166 void rxvt_vlog (const char *fmt, va_list arg_ptr) NOTHROW;
167 void rxvt_log (const char *fmt,...) NOTHROW;
168 void rxvt_warn (const char *fmt,...) NOTHROW;
169 ecb_noreturn ecb_cold
170 void rxvt_fatal (const char *fmt, ...) THROW ((class rxvt_failure_exception));
171 ecb_noreturn ecb_cold
172 void rxvt_exit_failure () THROW ((class rxvt_failure_exception));
173
174 void * rxvt_malloc (size_t size);
175 void * rxvt_calloc (size_t number, size_t size);
176 void * rxvt_realloc (void *ptr, size_t size);
177
178 char * rxvt_strtrim (char *str) NOTHROW;
179 char ** rxvt_strsplit (char delim, const char *str) NOTHROW;
180
181 static inline void
182 rxvt_free_strsplit (char **ptr) NOTHROW
183 {
184 free (ptr[0]);
185 free (ptr);
186 }
187
188 KeySym rxvt_XKeycodeToKeysym (Display *dpy, KeyCode keycode, int index);
189
190 /////////////////////////////////////////////////////////////////////////////
191
192 // temporarily replace the process environment
193 extern char **environ;
194 extern char **rxvt_environ; // the original environ pointer
195
196 static inline void
197 set_environ (char **envv)
198 {
199 #if ENABLE_PERL
200 assert (envv);
201 #else
202 if (envv)
203 #endif
204 environ = envv;
205 }
206
207 struct localise_env
208 {
209 char **orig_env;
210
211 localise_env (char **new_env)
212 {
213 orig_env = environ;
214 environ = new_env;
215 }
216
217 ~localise_env ()
218 {
219 environ = orig_env;
220 }
221 };
222
223 #ifdef HAVE_BG_PIXMAP
224 struct image_effects
225 {
226 bool tint_set;
227 rxvt_color tint;
228 int shade;
229 int h_blurRadius, v_blurRadius;
230
231 image_effects ()
232 {
233 tint_set =
234 h_blurRadius =
235 v_blurRadius = 0;
236 shade = 100;
237 }
238
239 bool need_tint ()
240 {
241 return shade != 100 || tint_set;
242 }
243
244 bool need_blur ()
245 {
246 return h_blurRadius && v_blurRadius;
247 }
248
249 bool set_tint (const rxvt_color &new_tint);
250 bool set_shade (const char *shade_str);
251 bool set_blur (const char *geom);
252 };
253
254 # if BG_IMAGE_FROM_FILE
255 enum {
256 IM_IS_SIZE_SENSITIVE = 1 << 1,
257 IM_KEEP_ASPECT = 1 << 2,
258 IM_ROOT_ALIGN = 1 << 3,
259 IM_TILE = 1 << 4,
260 IM_GEOMETRY_FLAGS = IM_KEEP_ASPECT | IM_ROOT_ALIGN | IM_TILE,
261 };
262
263 enum {
264 noScale = 0,
265 windowScale = 100,
266 defaultScale = windowScale,
267 centerAlign = 50,
268 defaultAlign = centerAlign,
269 };
270
271 struct rxvt_image : image_effects
272 {
273 unsigned short alpha;
274 uint8_t flags;
275 unsigned int h_scale, v_scale; /* percents of the window size */
276 int h_align, v_align; /* percents of the window size:
277 0 - left align, 50 - center, 100 - right */
278
279 bool is_size_sensitive ()
280 {
281 return (!(flags & IM_TILE)
282 || h_scale || v_scale
283 || (!(flags & IM_ROOT_ALIGN) && (h_align || v_align)));
284 }
285
286 rxvt_img *img;
287
288 void destroy ()
289 {
290 delete img;
291 img = 0;
292 }
293
294 rxvt_image ();
295 void set_file_geometry (rxvt_screen *s, const char *file);
296 void set_file (rxvt_screen *s, const char *file);
297 bool set_geometry (const char *geom, bool update = false);
298 };
299 # endif
300 #endif
301
302 /*
303 *****************************************************************************
304 * STRUCTURES AND TYPEDEFS
305 *****************************************************************************
306 */
307
308 /*
309 * the 'essential' information for reporting Mouse Events
310 * pared down from XButtonEvent
311 */
312 struct mouse_event
313 {
314 int clicks;
315 Time time; /* milliseconds */
316 unsigned int state; /* key or button mask */
317 unsigned int button; /* detail */
318 };
319
320 #if ENABLE_XEMBED
321 // XEMBED messages
322 # define XEMBED_EMBEDDED_NOTIFY 0
323 # define XEMBED_WINDOW_ACTIVATE 1
324 # define XEMBED_WINDOW_DEACTIVATE 2
325 # define XEMBED_REQUEST_FOCUS 3
326 # define XEMBED_FOCUS_IN 4
327 # define XEMBED_FOCUS_OUT 5
328 # define XEMBED_FOCUS_NEXT 6
329 # define XEMBED_FOCUS_PREV 7
330
331 # define XEMBED_MODALITY_ON 10
332 # define XEMBED_MODALITY_OFF 11
333 # define XEMBED_REGISTER_ACCELERATOR 12
334 # define XEMBED_UNREGISTER_ACCELERATOR 13
335 # define XEMBED_ACTIVATE_ACCELERATOR 14
336
337 // XEMBED detail code
338 # define XEMBED_FOCUS_CURRENT 0
339 # define XEMBED_FOCUS_FIRST 1
340 # define XEMBED_FOCUS_LAST 2
341
342 # define XEMBED_MAPPED (1 << 0)
343 #endif
344
345 /*
346 *****************************************************************************
347 * NORMAL DEFINES
348 *****************************************************************************
349 */
350
351 /* COLORTERM, TERM environment variables */
352 #define COLORTERMENV "rxvt"
353 #if BG_IMAGE_FROM_FILE
354 # define COLORTERMENVFULL COLORTERMENV "-xpm"
355 #else
356 # define COLORTERMENVFULL COLORTERMENV
357 #endif
358 #ifndef TERMENV
359 # if USE_256_COLORS
360 # define TERMENV "rxvt-unicode-256color"
361 # else
362 # define TERMENV "rxvt-unicode"
363 # endif
364 #endif
365
366 #if defined (NO_MOUSE_REPORT) && !defined (NO_MOUSE_REPORT_SCROLLBAR)
367 # define NO_MOUSE_REPORT_SCROLLBAR 1
368 #endif
369
370 #define scrollBar_esc 30
371
372 #if !defined (RXVT_SCROLLBAR) && !defined (NEXT_SCROLLBAR)
373 # define NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING 1
374 #endif
375
376 enum {
377 NO_REFRESH = 0, /* Window not visible at all! */
378 FAST_REFRESH = 1, /* Fully exposed window */
379 SLOW_REFRESH = 2, /* Partially exposed window */
380 };
381
382 #ifdef NO_SECONDARY_SCREEN
383 # define NSCREENS 0
384 #else
385 # define NSCREENS 1
386 #endif
387
388 /* flags for rxvt_term::scr_gotorc () */
389 enum {
390 C_RELATIVE = 1, /* col movement is relative */
391 R_RELATIVE = 2, /* row movement is relative */
392 RELATIVE = C_RELATIVE | R_RELATIVE,
393 };
394
395 /* modes for rxvt_term::scr_insdel_chars (), rxvt_term::scr_insdel_lines () */
396 enum {
397 INSERT = -1, /* don't change these values */
398 DELETE = +1,
399 ERASE = +2,
400 };
401
402 /* modes for rxvt_term::scr_page () - scroll page. used by scrollbar window */
403 enum page_dirn {
404 DN = -1,
405 NO_DIR = 0,
406 UP = 1,
407 };
408
409 /* arguments for rxvt_term::scr_change_screen () */
410 enum {
411 PRIMARY = 0,
412 SECONDARY,
413 };
414
415 // define various rendition bits and masks. the rendition word
416 // is 32 bits in size, and we should use it as efficiently as possible
417
418 #define RS_None 0
419
420 // GET_BGATTR depends on RS_fgShift > RS_bgShift
421 #define RS_colorMask ((1UL << Color_Bits) - 1UL)
422 #define RS_bgShift 0
423 #define RS_fgShift (RS_bgShift + Color_Bits)
424 #define RS_bgMask (RS_colorMask << RS_bgShift)
425 #define RS_fgMask (RS_colorMask << RS_fgShift)
426
427 // must have space for rxvt_fontset::fontCount * 2 + 2 values
428 #define RS_fontShift (RS_fgShift + Color_Bits)
429 #define RS_Careful (1UL << RS_fontShift) /* be careful when drawing these */
430 #define RS_fontCount rxvt_fontset::fontCount
431 #define RS_fontMask ((RS_fontCount << (RS_fontShift + 1)) | RS_Careful) // includes RS_Careful
432
433 // toggle this to force redraw, must be != RS_Careful and otherwise "pretty neutral"
434 #define RS_redraw (2UL << RS_fontShift)
435
436 #define RS_Sel (1UL << 22)
437
438 // 4 custom bits for extensions
439 #define RS_customCount 16UL
440 #define RS_customShift 23
441 #define RS_customMask ((RS_customCount - 1UL) << RS_customShift)
442
443 // font styles
444 #define RS_Bold (1UL << RS_styleShift)
445 #define RS_Italic (2UL << RS_styleShift)
446
447 #define RS_styleCount 4
448 #define RS_styleShift 27
449 #define RS_styleMask (RS_Bold | RS_Italic)
450
451 // fake styles
452 #define RS_Blink (1UL << 29)
453 #define RS_RVid (1UL << 30) // reverse video
454 #define RS_Uline (1UL << 31) // underline
455
456 #define RS_baseattrMask (RS_Italic | RS_Bold | RS_Blink | RS_RVid | RS_Uline)
457 #define RS_attrMask (RS_baseattrMask | RS_fontMask)
458
459 #define DEFAULT_RSTYLE (RS_None | (Color_fg << RS_fgShift) | (Color_bg << RS_bgShift))
460 #define OVERLAY_RSTYLE (RS_None | (Color_Black << RS_fgShift) | (Color_Yellow << RS_bgShift))
461
462 enum {
463 C0_NUL = 0x00,
464 C0_SOH, C0_STX, C0_ETX, C0_EOT, C0_ENQ, C0_ACK, C0_BEL,
465 C0_BS , C0_HT , C0_LF , C0_VT , C0_FF , C0_CR , C0_SO , C0_SI ,
466 C0_DLE, C0_DC1, C0_DC2, D0_DC3, C0_DC4, C0_NAK, C0_SYN, C0_ETB,
467 C0_CAN, C0_EM , C0_SUB, C0_ESC, C0_IS4, C0_IS3, C0_IS2, C0_IS1,
468 };
469 #define CHAR_ST 0x9c /* 0234 */
470
471 /*
472 * XTerm Operating System Commands: ESC ] Ps;Pt (ST|BEL)
473 * colour extensions by Christian W. Zuckschwerdt <zany@triq.net>
474 */
475 enum {
476 XTerm_name = 0,
477 XTerm_iconName = 1,
478 XTerm_title = 2,
479 XTerm_property = 3, // change X property
480 XTerm_Color = 4, // change colors
481 XTerm_Color00 = 10, // change fg color
482 XTerm_Color01 = 11, // change bg color
483 XTerm_Color_cursor = 12, // change actual 'Cursor' color
484 XTerm_Color_pointer_fg = 13, // change actual 'Pointer' fg color
485 XTerm_Color_pointer_bg = 14, // change actual 'Pointer' bg color
486 XTerm_Color05 = 15, // not implemented (tektronix fg)
487 XTerm_Color06 = 16, // not implemented (tektronix bg)
488 XTerm_Color_HC = 17, // change actual 'Highlight' bg color
489 XTerm_Color_HTC = 19, // change actual 'Highlight' fg color
490 XTerm_logfile = 46, // not implemented
491 XTerm_font = 50,
492
493 XTerm_konsole30 = 30, // reserved for konsole
494 XTerm_konsole31 = 31, // reserved for konsole
495 XTerm_emacs51 = 51, // reserved for emacs shell
496 /*
497 * rxvt extensions of XTerm OSCs: ESC ] Ps;Pt (ST|BEL)
498 */
499
500 // deprecated
501 Rxvt_restoreFG = 39,
502 Rxvt_restoreBG = 49,
503
504 Rxvt_Pixmap = 20, // new bg pixmap
505 Rxvt_dumpscreen = 55, // dump scrollback and all of screen
506
507 URxvt_locale = 701, // change locale
508 URxvt_version = 702, // request version
509
510 URxvt_Color_IT = 704, // change actual 'Italic' colour
511 URxvt_Color_tint = 705, // change actual tint colour
512 URxvt_Color_BD = 706, // change actual 'Bold' color
513 URxvt_Color_UL = 707, // change actual 'Underline' color
514 URxvt_Color_border = 708,
515
516 URxvt_font = 710,
517 URxvt_boldFont = 711,
518 URxvt_italicFont = 712,
519 URxvt_boldItalicFont = 713,
520
521 URxvt_view_up = 720,
522 URxvt_view_down = 721,
523
524 URxvt_perl = 777, // for use by perl extensions, starts with "extension-name;"
525 };
526
527 /* Words starting with `Color_' are colours. Others are counts */
528 /*
529 * The PixColor and rendition colour usage should probably be decoupled
530 * on the unnecessary items, e.g. Color_pointer, but won't bother
531 * until we need to. Also, be aware of usage in pixcolor_set
532 */
533
534 enum colour_list {
535 Color_none = -2,
536 Color_transparent = -1,
537 Color_fg = 0,
538 Color_bg,
539 minCOLOR, /* 2 */
540 Color_Black = minCOLOR,
541 Color_Red3,
542 Color_Green3,
543 Color_Yellow3,
544 Color_Blue3,
545 Color_Magenta3,
546 Color_Cyan3,
547 maxCOLOR, /* minCOLOR + 7 */
548 #ifndef NO_BRIGHTCOLOR
549 Color_AntiqueWhite = maxCOLOR,
550 minBrightCOLOR, /* maxCOLOR + 1 */
551 Color_Grey25 = minBrightCOLOR,
552 Color_Red,
553 Color_Green,
554 Color_Yellow,
555 Color_Blue,
556 Color_Magenta,
557 Color_Cyan,
558 maxBrightCOLOR, /* minBrightCOLOR + 7 */
559 Color_White = maxBrightCOLOR,
560 #else
561 Color_White = maxCOLOR,
562 #endif
563 minTermCOLOR = Color_White + 1,
564 #if USE_256_COLORS
565 maxTermCOLOR = Color_White + 240,
566 #else
567 maxTermCOLOR = Color_White + 72,
568 #endif
569 #ifndef NO_CURSORCOLOR
570 Color_cursor,
571 Color_cursor2,
572 #endif
573 Color_pointer_fg,
574 Color_pointer_bg,
575 Color_border,
576 #ifndef NO_BOLD_UNDERLINE_REVERSE
577 Color_BD,
578 Color_IT,
579 Color_UL,
580 Color_RV,
581 #endif
582 #if ENABLE_FRILLS
583 Color_underline,
584 #endif
585 #ifdef OPTION_HC
586 Color_HC,
587 Color_HTC,
588 #endif
589 Color_scroll,
590 #ifdef RXVT_SCROLLBAR
591 Color_trough,
592 #endif
593 #if BG_IMAGE_FROM_ROOT
594 Color_tint,
595 #endif
596 #if OFF_FOCUS_FADING
597 Color_fade,
598 #endif
599 NRS_COLORS, /* */
600 #ifdef RXVT_SCROLLBAR
601 Color_topShadow = NRS_COLORS,
602 Color_bottomShadow,
603 TOTAL_COLORS
604 #else
605 TOTAL_COLORS = NRS_COLORS
606 #endif
607 };
608
609 #if USE_256_COLORS
610 # define Color_Bits 9 // 0 .. maxTermCOLOR
611 #else
612 # define Color_Bits 7 // 0 .. maxTermCOLOR
613 #endif
614
615 /*
616 * Resource list
617 */
618 enum {
619 # define def(name) Rs_ ## name,
620 # define reserve(name,count) Rs_ ## name ## _ = Rs_ ## name + (count) - 1,
621 # include "rsinc.h"
622 # undef def
623 # undef reserve
624 NUM_RESOURCES
625 };
626
627 /* DEC private modes */
628 #define PrivMode_132 (1UL<<0)
629 #define PrivMode_132OK (1UL<<1)
630 #define PrivMode_rVideo (1UL<<2)
631 #define PrivMode_relOrigin (1UL<<3)
632 #define PrivMode_Screen (1UL<<4)
633 #define PrivMode_Autowrap (1UL<<5)
634 #define PrivMode_aplCUR (1UL<<6)
635 #define PrivMode_aplKP (1UL<<7)
636 #define PrivMode_HaveBackSpace (1UL<<8)
637 #define PrivMode_BackSpace (1UL<<9)
638 #define PrivMode_ShiftKeys (1UL<<10)
639 #define PrivMode_VisibleCursor (1UL<<11)
640 #define PrivMode_MouseX10 (1UL<<12)
641 #define PrivMode_MouseX11 (1UL<<13)
642 #define PrivMode_scrollBar (1UL<<14)
643 #define PrivMode_TtyOutputInh (1UL<<15)
644 #define PrivMode_Keypress (1UL<<16)
645 #define PrivMode_smoothScroll (1UL<<17)
646 #define PrivMode_vt52 (1UL<<18)
647 #define PrivMode_LFNL (1UL<<19)
648 #define PrivMode_MouseBtnEvent (1UL<<20)
649 #define PrivMode_MouseAnyEvent (1UL<<21)
650 #define PrivMode_BracketPaste (1UL<<22)
651 #define PrivMode_ExtModeMouse (1UL<<23) // xterm pseudo-utf-8 hack
652 #define PrivMode_ExtMouseRight (1UL<<24) // xterm pseudo-utf-8, but works in non-utf-8-locales
653 #define PrivMode_BlinkingCursor (1UL<<25)
654
655 #define PrivMode_mouse_report (PrivMode_MouseX10|PrivMode_MouseX11|PrivMode_MouseBtnEvent|PrivMode_MouseAnyEvent)
656
657 #ifdef ALLOW_132_MODE
658 # define PrivMode_Default (PrivMode_Autowrap|PrivMode_ShiftKeys|PrivMode_VisibleCursor|PrivMode_132OK)
659 #else
660 # define PrivMode_Default (PrivMode_Autowrap|PrivMode_ShiftKeys|PrivMode_VisibleCursor)
661 #endif
662
663 // do not change these constants lightly, there are many interdependencies
664 #define IMBUFSIZ 128 // input modifier buffer sizes
665 #define KBUFSZ 512 // size of keyboard mapping buffer
666 #define CBUFSIZ 32768 // size of command buffer (longest command sequence possible)
667 #define CBUFCNT 8 // never call pty_fill/cmd_parse more than this often in a row
668 #define UBUFSIZ 2048 // character buffer
669
670 #if ENABLE_FRILLS
671 # include <X11/Xmd.h>
672 typedef struct _mwmhints
673 {
674 CARD32 flags;
675 CARD32 functions;
676 CARD32 decorations;
677 INT32 input_mode;
678 CARD32 status;
679 } MWMHints;
680 #endif
681
682 /* Motif window hints */
683 #define MWM_HINTS_FUNCTIONS (1L << 0)
684 #define MWM_HINTS_DECORATIONS (1L << 1)
685 #define MWM_HINTS_INPUT_MODE (1L << 2)
686 #define MWM_HINTS_STATUS (1L << 3)
687 /* bit definitions for MwmHints.functions */
688 #define MWM_FUNC_ALL (1L << 0)
689 #define MWM_FUNC_RESIZE (1L << 1)
690 #define MWM_FUNC_MOVE (1L << 2)
691 #define MWM_FUNC_MINIMIZE (1L << 3)
692 #define MWM_FUNC_MAXIMIZE (1L << 4)
693 #define MWM_FUNC_CLOSE (1L << 5)
694 /* bit definitions for MwmHints.decorations */
695 #define MWM_DECOR_ALL (1L << 0)
696 #define MWM_DECOR_BORDER (1L << 1)
697 #define MWM_DECOR_RESIZEH (1L << 2)
698 #define MWM_DECOR_TITLE (1L << 3)
699 #define MWM_DECOR_MENU (1L << 4)
700 #define MWM_DECOR_MINIMIZE (1L << 5)
701 #define MWM_DECOR_MAXIMIZE (1L << 6)
702 /* bit definitions for MwmHints.inputMode */
703 #define MWM_INPUT_MODELESS 0
704 #define MWM_INPUT_PRIMARY_APPLICATION_MODAL 1
705 #define MWM_INPUT_SYSTEM_MODAL 2
706 #define MWM_INPUT_FULL_APPLICATION_MODAL 3
707 #define PROP_MWM_HINTS_ELEMENTS 5
708
709 /*
710 *****************************************************************************
711 * MACRO DEFINES
712 *****************************************************************************
713 */
714
715 // speed hack, copy some member variable into a local variable of the same name
716 #define dLocal(type,name) type const name = this->name
717
718 // for speed reasons, we assume that all codepoints 32 to 126 are
719 // single-width.
720 #define WCWIDTH(c) (IN_RANGE_INC (c, 0x20, 0x7e) ? 1 : wcwidth (c))
721
722 /* convert pixel dimensions to row/column values. Everything as int32_t */
723 #define Pixel2Col(x) Pixel2Width((int32_t)(x))
724 #define Pixel2Row(y) Pixel2Height((int32_t)(y))
725 #define Pixel2Width(x) ((int32_t)(x) / (int32_t)fwidth)
726 #define Pixel2Height(y) ((int32_t)(y) / (int32_t)fheight)
727 #define Col2Pixel(col) ((int32_t)Width2Pixel(col))
728 #define Row2Pixel(row) ((int32_t)Height2Pixel(row))
729 #define Width2Pixel(n) ((int32_t)(n) * (int32_t)fwidth)
730 #define Height2Pixel(n) ((int32_t)(n) * (int32_t)fheight)
731
732 #define LINENO_of(t,n) MOD ((t)->term_start + int(n), (t)->total_rows)
733 #define ROW_of(t,n) (t)->row_buf [LINENO_of ((t), n)]
734
735 #define LINENO(n) LINENO_of (this, n)
736 #define ROW(n) ROW_of (this, n)
737
738 /* how to build & extract colors and attributes */
739 #define GET_BASEFG(x) (((x) & RS_fgMask) >> RS_fgShift)
740 #define GET_BASEBG(x) (((x) & RS_bgMask) >> RS_bgShift)
741
742 #define GET_FONT(x) (((x) & RS_fontMask) >> RS_fontShift)
743 #define SET_FONT(x,fid) (((x) & ~RS_fontMask) | ((fid) << RS_fontShift))
744
745 #define GET_STYLE(x) (((x) & RS_styleMask) >> RS_styleShift)
746 #define SET_STYLE(x,style) (((x) & ~RS_styleMask) | ((style) << RS_styleShift))
747
748 #define GET_ATTR(x) (((x) & RS_attrMask))
749 #define SET_FGCOLOR(x,fg) (((x) & ~RS_fgMask) | ((fg) << RS_fgShift))
750 #define SET_BGCOLOR(x,bg) (((x) & ~RS_bgMask) | ((bg) << RS_bgShift))
751 #define SET_ATTR(x,a) (((x) & ~RS_attrMask) | (a))
752
753 #define RS_SAME(a,b) (!(((a) ^ (b)) & ~RS_Careful))
754
755 #define PIXCOLOR_NAME(idx) rs[Rs_color + (idx)]
756 #define ISSET_PIXCOLOR(idx) (!!rs[Rs_color + (idx)])
757
758 #if ENABLE_STYLES
759 # define FONTSET_of(t,style) (t)->fontset[GET_STYLE (style)]
760 #else
761 # define FONTSET_of(t,style) (t)->fontset[0]
762 #endif
763
764 #define FONTSET(style) FONTSET_of (this, style)
765
766 typedef callback<void (const char *)> log_callback;
767 typedef callback<int (int)> getfd_callback;
768
769 /****************************************************************************/
770
771 #define LINE_LONGER 0x0001 // line is continued on the next row
772 #define LINE_FILTERED 0x0002 // line has been filtered
773 #define LINE_COMPRESSED 0x0004 // line has been compressed (NYI)
774 #define LINE_FILTER 0x0008 // line needs to be filtered before display (NYI)
775 #define LINE_BIDI 0x0010 // line needs bidi (NYI)
776
777 struct line_t
778 {
779 text_t *t; // terminal the text
780 rend_t *r; // rendition, uses RS_ flags
781 tlen_t_ l; // length of each text line
782 uint32_t f; // flags
783
784 bool valid ()
785 {
786 return l >= 0;
787 }
788
789 void alloc ()
790 {
791 l = 0;
792 }
793
794 bool is_longer ()
795 {
796 return f & LINE_LONGER;
797 }
798
799 void is_longer (int set)
800 {
801 if (set)
802 f |= LINE_LONGER;
803 else
804 f &= ~LINE_LONGER;
805 }
806
807 void clear ()
808 {
809 t = 0;
810 r = 0;
811 l = 0;
812 f = 0;
813 }
814
815 void touch () // call whenever a line is changed/touched/updated
816 {
817 #if ENABLE_PERL
818 f &= ~LINE_FILTERED;
819 #endif
820 }
821
822 void touch (int col)
823 {
824 max_it (l, col);
825 touch ();
826 }
827 };
828
829 /****************************************************************************/
830
831 // primitive wrapper around mbstate_t to ensure initialisation
832 struct mbstate
833 {
834 mbstate_t mbs;
835
836 operator mbstate_t *() { return &mbs; }
837 void reset () { memset (&mbs, 0, sizeof (mbs)); }
838 mbstate () { reset (); }
839 };
840
841 /****************************************************************************/
842
843 #define UNICODE_MASK 0x1fffffUL
844
845 #if UNICODE_3
846 # define COMPOSE_LO 0x40000000UL
847 # define COMPOSE_HI 0x400fffffUL
848 # define IS_COMPOSE(n) ((int32_t)(n) >= COMPOSE_LO)
849 #else
850 # if ENABLE_PERL
851 # define COMPOSE_LO 0xe000UL // our _own_ functions don't like (illegal) surrogates
852 # define COMPOSE_HI 0xf8ffUL // in utf-8, so use private use area only
853 # else
854 # define COMPOSE_LO 0xd800UL
855 # define COMPOSE_HI 0xf8ffUL
856 # endif
857 # define IS_COMPOSE(n) IN_RANGE_INC ((n), COMPOSE_LO, COMPOSE_HI)
858 #endif
859
860 #if ENABLE_COMBINING
861 // compose chars are used to represent composite characters
862 // that are not representable in unicode, as well as characters
863 // not fitting in the BMP.
864 struct compose_char
865 {
866 unicode_t c1, c2; // any chars != NOCHAR are valid
867
868 compose_char (unicode_t c1, unicode_t c2)
869 : c1(c1), c2(c2)
870 { }
871 };
872
873 class rxvt_composite_vec
874 {
875 vector<compose_char> v;
876 public:
877 text_t compose (unicode_t c1, unicode_t c2 = NOCHAR);
878 int expand (unicode_t c, wchar_t *r);
879 compose_char *operator [](text_t c)
880 {
881 return c >= COMPOSE_LO && c < COMPOSE_LO + v.size ()
882 ? &v[c - COMPOSE_LO]
883 : 0;
884 }
885 };
886
887 extern class rxvt_composite_vec rxvt_composite;
888 #endif
889
890 /****************************************************************************/
891
892 #ifdef KEYSYM_RESOURCE
893 class keyboard_manager;
894 #endif
895
896 typedef struct rxvt_term *rxvt_t;
897
898 extern rxvt_t rxvt_current_term;
899
900 #define SET_R(r) rxvt_current_term = const_cast<rxvt_term *>(r)
901 #define GET_R rxvt_current_term
902
903 /* ------------------------------------------------------------------------- */
904 struct overlay_base
905 {
906 int x, y, w, h; // overlay dimensions
907 text_t **text;
908 rend_t **rend;
909
910 // while tempting to add swap() etc. here, it effectively only increases code size
911 };
912
913 /* ------------------------------------------------------------------------- */
914
915 typedef struct
916 {
917 int row;
918 int col;
919 } row_col_t;
920
921 /*
922 * terminal limits:
923 *
924 * width : 1 <= width
925 * height : 1 <= height
926 * ncol : 1 <= ncol <= MAX(tlen_t)
927 * nrow : 1 <= nrow <= MAX(int)
928 * saveLines : 0 <= saveLines <= MAX(int)
929 * term_start : 0 <= term_start < saveLines
930 * total_rows : nrow + saveLines
931 *
932 * top_row : -saveLines <= top_row <= 0
933 * view_start : top_row <= view_start <= 0
934 *
935 * | most coordinates are stored relative to term_start,
936 * ROW_BUF | which is the first line of the terminal screen
937 * |························= row_buf[0]
938 * |························= row_buf[1]
939 * |························= row_buf[2] etc.
940 * |
941 * +------------+···········= term_start + top_row
942 * | scrollback |
943 * | scrollback +---------+·= term_start + view_start
944 * | scrollback | display |
945 * | scrollback | display |
946 * +------------+·display·+·= term_start
947 * | terminal | display |
948 * | terminal +---------+
949 * | terminal |
950 * | terminal |
951 * +------------+···········= term_start + nrow - 1
952 * |
953 * |
954 * END······················= total_rows
955 */
956
957 struct TermWin_t
958 {
959 int vt_width; /* actual window width [pixels] */
960 int vt_height; /* actual window height [pixels] */
961 int width; /* window width [pixels] */
962 int height; /* window height [pixels] */
963 int fwidth; /* font width [pixels] */
964 int fheight; /* font height [pixels] */
965 int fbase; /* font ascent (baseline) [pixels] */
966 int ncol; /* window columns [characters] */
967 int nrow; /* window rows [characters] */
968 int focus; /* window has focus */
969 int mapped; /* window state mapped? */
970 int int_bwidth; /* internal border width */
971 int ext_bwidth; /* external border width */
972 int lineSpace; /* number of extra pixels between rows */
973 int letterSpace; /* number of extra pixels between columns */
974 int saveLines; /* number of lines that fit in scrollback */
975 int total_rows; /* total number of rows in this terminal */
976 int term_start; /* term lines start here */
977 int view_start; /* scrollback view starts here */
978 int top_row; /* topmost row index of scrollback */
979 Window parent; /* parent identifier */
980 Window vt; /* vt100 window */
981 GC gc; /* GC for drawing */
982 rxvt_drawable *drawable;
983 rxvt_fontset *fontset[4];
984 };
985
986 /*
987 * screen accounting:
988 * screen_t elements
989 * row: Cursor row position : 0 <= row < nrow
990 * col: Cursor column position : 0 <= col < ncol
991 * tscroll: Scrolling region top row inclusive : 0 <= row < nrow
992 * bscroll: Scrolling region bottom row inclusive : 0 <= row < nrow
993 *
994 * selection_t elements
995 * clicks: 1, 2 or 3 clicks - 4 indicates a special condition of 1 where
996 * nothing is selected
997 * beg: row/column of beginning of selection : never past mark
998 * mark: row/column of initial click : never past end
999 * end: row/column of one character past end of selection
1000 * * Note: top_row <= beg.row <= mark.row <= end.row < nrow
1001 * * Note: col == -1 ==> we're left of screen
1002 *
1003 */
1004 struct screen_t
1005 {
1006 row_col_t cur; /* cursor position on the screen */
1007 int tscroll; /* top of settable scroll region */
1008 int bscroll; /* bottom of settable scroll region */
1009 unsigned int charset; /* character set number [0..3] */
1010 unsigned int flags; /* see below */
1011 row_col_t s_cur; /* saved cursor position */
1012 unsigned int s_charset; /* saved character set number [0..3] */
1013 char s_charset_char;
1014 rend_t s_rstyle; /* saved rendition style */
1015 };
1016
1017 enum selection_op_t
1018 {
1019 SELECTION_CLEAR = 0, /* nothing selected */
1020 SELECTION_INIT, /* marked a point */
1021 SELECTION_BEGIN, /* started a selection */
1022 SELECTION_CONT, /* continued selection */
1023 SELECTION_DONE /* selection put in CUT_BUFFER0 */
1024 };
1025
1026 struct selection_t
1027 {
1028 wchar_t *text; /* selected text */
1029 unsigned int len; /* length of selected text */
1030 unsigned int screen; /* screen being used */
1031 unsigned int clicks; /* number of clicks */
1032 selection_op_t op; /* current operation */
1033 bool rect; /* rectangular selection? */
1034 row_col_t beg; /* beginning of selection <= mark */
1035 row_col_t mark; /* point of initial click <= end */
1036 row_col_t end; /* one character past end point */
1037 wchar_t *clip_text; /* text copied to the clipboard */
1038 unsigned int clip_len; /* length of clipboard text */
1039 };
1040
1041 /* ------------------------------------------------------------------------- */
1042
1043 /* screen_t flags */
1044 #define Screen_Relative (1<<0) /* relative origin mode flag */
1045 #define Screen_VisibleCursor (1<<1) /* cursor visible? */
1046 #define Screen_Autowrap (1<<2) /* auto-wrap flag */
1047 #define Screen_Insert (1<<3) /* insert mode (vs. overstrike) */
1048 #define Screen_WrapNext (1<<4) /* need to wrap for next char? */
1049 #define Screen_DefaultFlags (Screen_VisibleCursor | Screen_Autowrap)
1050
1051 /* rxvt_vars.options */
1052 enum {
1053 # define def(name) Opt_ ## name,
1054 # define nodef(name) Opt_prev_ ## name, Opt_ ## name = 0, Opt_next_ ## name = Opt_prev_ ## name - 1,
1055 Opt_0,
1056 # include "optinc.h"
1057 # undef nodef
1058 # undef def
1059 Opt_count
1060 };
1061
1062 /* ------------------------------------------------------------------------- */
1063
1064 struct rxvt_vars : TermWin_t
1065 {
1066 scrollBar_t scrollBar;
1067 uint8_t options[(Opt_count + 7) >> 3];
1068 XSizeHints szHint;
1069 rxvt_color *pix_colors;
1070 Cursor TermWin_cursor; /* cursor for vt window */
1071
1072 line_t *row_buf; // all lines, scrollback + terminal, circular
1073 line_t *drawn_buf; // text on screen
1074 line_t *swap_buf; // lines for swap buffer
1075 char *tabs; /* per location: 1 == tab-stop */
1076 screen_t screen;
1077 screen_t swap;
1078 selection_t selection;
1079 rxvt_color pix_colors_focused[TOTAL_COLORS];
1080 #ifdef OFF_FOCUS_FADING
1081 rxvt_color pix_colors_unfocused[TOTAL_COLORS];
1082 #endif
1083 };
1084
1085 struct rxvt_term : zero_initialized, rxvt_vars, rxvt_screen
1086 {
1087
1088 // special markers with magic addresses
1089 static const char resval_undef []; // options specifically unset
1090 static const char resval_on []; // boolean options switched on
1091 static const char resval_off []; // or off
1092
1093 log_callback *log_hook; // log error messages through this hook, if != 0
1094 getfd_callback *getfd_hook; // convert remote to local fd, if != 0
1095 #if ENABLE_PERL
1096 rxvt_perl_term perl;
1097 #endif
1098 struct mbstate mbstate; // current input multibyte state
1099
1100 unsigned char want_refresh:1,
1101 current_screen:1, /* primary or secondary */
1102 num_scr_allow:1,
1103 bypass_keystate:1,
1104 #if ENABLE_FRILLS
1105 urgency_hint:1,
1106 #endif
1107 #if CURSOR_BLINK
1108 hidden_cursor:1,
1109 #endif
1110 #if TEXT_BLINK
1111 hidden_text:1,
1112 #endif
1113 #if POINTER_BLANK
1114 hidden_pointer:1,
1115 #endif
1116 enc_utf8:1, /* whether locale uses utf-8 */
1117 seen_input:1, /* whether we have seen some program output yet */
1118 seen_resize:1, /* whether we had a resize event */
1119 init_done:1,
1120 parsed_geometry:1;
1121
1122 unsigned char refresh_type,
1123 #ifdef META8_OPTION
1124 meta_char; /* Alt-key prefix */
1125 #endif
1126 /* ---------- */
1127 bool rvideo_state, rvideo_mode;
1128 #ifndef NO_BELL
1129 bool rvideo_bell;
1130 #endif
1131 int num_scr; /* screen: number of lines scrolled */
1132 int prev_ncol, /* screen: previous number of columns */
1133 prev_nrow; /* screen: previous number of rows */
1134 /* ---------- */
1135 rend_t rstyle;
1136 /* ---------- */
1137 #ifdef SELECTION_SCROLLING
1138 int scroll_selection_lines;
1139 int selection_save_x,
1140 selection_save_y,
1141 selection_save_state;
1142 #endif
1143 /* ---------- */
1144 int csrO, /* Hops - csr offset in thumb/slider to */
1145 /* give proper Scroll behaviour */
1146 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1147 mouse_slip_wheel_speed,
1148 #endif
1149 refresh_count,
1150 window_vt_x,
1151 window_vt_y,
1152 mouse_row,
1153 mouse_col,
1154 # ifdef POINTER_BLANK
1155 pointerBlankDelay,
1156 # endif
1157 multiClickTime,
1158 cursor_type,
1159 allowedxerror;
1160 /* ---------- */
1161 unsigned int ModLevel3Mask,
1162 ModMetaMask,
1163 ModNumLockMask;
1164 unsigned long priv_modes,
1165 SavedModes;
1166 /* ---------- */
1167 Atom *xa;
1168 /* ---------- */
1169 Time selection_time,
1170 clipboard_time;
1171 rxvt_selection *selection_req;
1172 pid_t cmd_pid; /* process id of child */
1173 /* ---------- */
1174 struct mouse_event MEvent;
1175 XComposeStatus compose;
1176 static struct termios def_tio;
1177 row_col_t oldcursor;
1178
1179 #ifdef HAVE_BG_PIXMAP
1180 void bg_init ();
1181 void bg_destroy ();
1182
1183 # if BG_IMAGE_FROM_FILE
1184 rxvt_image fimage;
1185 void render_image (rxvt_image &image);
1186 # endif
1187
1188 # if BG_IMAGE_FROM_ROOT
1189 rxvt_img *root_img;
1190 image_effects root_effects;
1191
1192 void render_root_image ();
1193 # endif
1194
1195 ev_tstamp bg_valid_since;
1196
1197 bool bg_window_size_sensitive ();
1198 bool bg_window_position_sensitive ();
1199
1200 void bg_render ();
1201 #endif
1202
1203 #ifdef HAVE_IMG
1204 enum {
1205 BG_IS_TRANSPARENT = 1 << 1,
1206 BG_NEEDS_REFRESH = 1 << 2,
1207 BG_INHIBIT_RENDER = 1 << 3,
1208 };
1209
1210 uint8_t bg_flags;
1211
1212 rxvt_img *bg_img;
1213 #endif
1214
1215 #if ENABLE_OVERLAY
1216 overlay_base ov;
1217
1218 void scr_swap_overlay () NOTHROW;
1219 void scr_overlay_new (int x, int y, int w, int h) NOTHROW;
1220 void scr_overlay_off () NOTHROW;
1221 void scr_overlay_set (int x, int y,
1222 text_t text,
1223 rend_t rend = OVERLAY_RSTYLE) NOTHROW;
1224 void scr_overlay_set (int x, int y, const char *s) NOTHROW;
1225 void scr_overlay_set (int x, int y, const wchar_t *s) NOTHROW;
1226 #endif
1227
1228 vector<void *> allocated; // free these memory blocks with free()
1229
1230 int parent_x, parent_y; // parent window position relative to root, only updated on demand
1231
1232 char *locale;
1233 char charsets[4];
1234 char *v_buffer; /* pointer to physical buffer */
1235 unsigned int v_buflen; /* size of area to write */
1236 stringvec *argv, *envv; /* if != 0, will be freed at destroy time */
1237 char **env;
1238
1239 #ifdef KEYSYM_RESOURCE
1240 keyboard_manager *keyboard;
1241 #endif
1242 #ifndef NO_RESOURCES
1243 XrmDatabase option_db;
1244 #endif
1245
1246 const char *rs[NUM_RESOURCES];
1247 /* command input buffering */
1248 char *cmdbuf_ptr, *cmdbuf_endp;
1249 char cmdbuf_base[CBUFSIZ];
1250
1251 ptytty *pty;
1252
1253 // chunk contains all line_t's as well as rend_t and text_t buffers
1254 // for drawn_buf, swap_buf and row_buf, in this order
1255 void *chunk;
1256 size_t chunk_size;
1257
1258 static vector<rxvt_term *> termlist; // a vector of all running rxvt_term's
1259
1260 #if ENABLE_FRILLS || ISO_14755
1261 // ISO 14755 entry support
1262 unicode_t iso14755buf;
1263 void commit_iso14755 ();
1264 # if ISO_14755
1265 void iso14755_51 (unicode_t ch, rend_t r = DEFAULT_RSTYLE, int x = 0, int y = -1, int y2 = -1);
1266 void iso14755_54 (int x, int y);
1267 # endif
1268 #endif
1269
1270 long vt_emask, vt_emask_perl, vt_emask_xim, vt_emask_mouse;
1271
1272 void vt_select_input () const NOTHROW
1273 {
1274 XSelectInput (dpy, vt, vt_emask | vt_emask_perl | vt_emask_xim | vt_emask_mouse);
1275 }
1276
1277 #if BG_IMAGE_FROM_ROOT || ENABLE_PERL
1278 void rootwin_cb (XEvent &xev);
1279 xevent_watcher rootwin_ev;
1280 #endif
1281 #ifdef HAVE_BG_PIXMAP
1282 void update_background ();
1283 void update_background_cb (ev::timer &w, int revents);
1284 ev::timer update_background_ev;
1285 #endif
1286
1287 void x_cb (XEvent &xev);
1288 xevent_watcher termwin_ev;
1289 xevent_watcher vt_ev;
1290 xevent_watcher scrollbar_ev;
1291
1292 void child_cb (ev::child &w, int revents); ev::child child_ev;
1293 void destroy_cb (ev::idle &w, int revents); ev::idle destroy_ev;
1294 void refresh_check ();
1295 void flush ();
1296 void flush_cb (ev::timer &w, int revents); ev::timer flush_ev;
1297 void cmdbuf_reify ();
1298 void cmdbuf_append (const char *str, size_t count);
1299 bool pty_fill ();
1300 void pty_cb (ev::io &w, int revents); ev::io pty_ev;
1301
1302 #ifdef CURSOR_BLINK
1303 void cursor_blink_reset ();
1304 void cursor_blink_cb (ev::timer &w, int revents); ev::timer cursor_blink_ev;
1305 #endif
1306 #ifdef TEXT_BLINK
1307 void text_blink_cb (ev::timer &w, int revents); ev::timer text_blink_ev;
1308 #endif
1309 #ifndef NO_BELL
1310 void bell_cb (ev::timer &w, int revents); ev::timer bell_ev;
1311 #endif
1312
1313 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1314 void cont_scroll_cb (ev::timer &w, int revents); ev::timer cont_scroll_ev;
1315 #endif
1316 #ifdef SELECTION_SCROLLING
1317 void sel_scroll_cb (ev::timer &w, int revents); ev::timer sel_scroll_ev;
1318 #endif
1319 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1320 void slip_wheel_cb (ev::timer &w, int revents); ev::timer slip_wheel_ev;
1321 #endif
1322
1323 #ifdef POINTER_BLANK
1324 void pointer_cb (ev::timer &w, int revents); ev::timer pointer_ev;
1325 void pointer_blank ();
1326 #endif
1327 void pointer_unblank ();
1328
1329 void tt_printf (const char *fmt,...);
1330 void tt_write_ (const char *data, unsigned int len);
1331 void tt_write (const char *data, unsigned int len);
1332 void tt_write_user_input (const char *data, unsigned int len);
1333 void pty_write ();
1334
1335 void make_current () const // make this the "currently active" urxvt instance
1336 {
1337 SET_R (this);
1338 set_environ (env);
1339 rxvt_set_locale (locale);
1340 }
1341
1342 #if USE_XIM
1343 rxvt_xim *input_method;
1344 XIC Input_Context;
1345 XIMStyle input_style;
1346 XPoint spot; // most recently sent spot position
1347
1348 void im_destroy ();
1349 void im_cb (); im_watcher im_ev;
1350 void im_set_size (XRectangle &size);
1351 void im_set_position (XPoint &pos) NOTHROW;
1352 void im_set_color (unsigned long &fg, unsigned long &bg);
1353 void im_set_preedit_area (XRectangle &preedit_rect, XRectangle &status_rect, const XRectangle &needed_rect);
1354
1355 bool im_is_running ();
1356 void im_send_spot ();
1357 bool im_get_ic (const char *modifiers);
1358 void im_set_position ();
1359 #endif
1360
1361 // command.C
1362 void key_press (XKeyEvent &ev);
1363 void key_release (XKeyEvent &ev);
1364
1365 wchar_t next_char () NOTHROW;
1366 wchar_t cmd_getc () THROW ((class out_of_input));
1367 uint32_t next_octet () NOTHROW;
1368 uint32_t cmd_get8 () THROW ((class out_of_input));
1369
1370 void cmd_parse ();
1371 void mouse_report (XButtonEvent &ev);
1372 void button_press (XButtonEvent &ev);
1373 void button_release (XButtonEvent &ev);
1374 void focus_in ();
1375 void focus_out ();
1376 #if ENABLE_FRILLS
1377 void set_urgency (bool enable);
1378 #else
1379 void set_urgency (bool enable) { }
1380 #endif
1381 void update_fade_color (unsigned int idx, bool first_time = false);
1382 #ifdef PRINTPIPE
1383 FILE *popen_printer ();
1384 int pclose_printer (FILE *stream);
1385 #endif
1386 void process_print_pipe ();
1387 void process_nonprinting (unicode_t ch);
1388 void process_escape_vt52 (unicode_t ch);
1389 void process_escape_seq ();
1390 void process_csi_seq ();
1391 void process_window_ops (const int *args, unsigned int nargs);
1392 char *get_to_st (unicode_t &ends_how);
1393 void process_dcs_seq ();
1394 void process_osc_seq ();
1395 void process_color_seq (int report, int color, const char *str, char resp);
1396 void process_xterm_seq (int op, char *str, char resp);
1397 int privcases (int mode, unsigned long bit);
1398 void process_terminal_mode (int mode, int priv, unsigned int nargs, const int *arg);
1399 void process_sgr_mode (unsigned int nargs, const int *arg);
1400 void set_cursor_style (int style);
1401 // init.C
1402 void init (stringvec *argv, stringvec *envv);
1403 void init (int argc, const char *const *argv, const char *const *envv);
1404 void init2 (int argc, const char *const *argv);
1405 void init_vars ();
1406 const char **init_resources (int argc, const char *const *argv);
1407 void init_env ();
1408 void set_locale (const char *locale);
1409 void init_xlocale ();
1410 void init_command (const char *const *argv);
1411 void run_command (const char *const *argv);
1412 int run_child (const char *const *argv);
1413 void color_aliases (int idx);
1414 void create_windows (int argc, const char *const *argv);
1415 void get_colors ();
1416 void get_ourmods ();
1417 void set_icon (const char *file);
1418 // main.C
1419 void tt_winch ();
1420 rxvt_term ();
1421 ~rxvt_term ();
1422 void destroy ();
1423 void emergency_cleanup ();
1424 void recolor_cursor ();
1425 void resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent);
1426 void window_calc (unsigned int newwidth, unsigned int newheight);
1427 bool set_fonts ();
1428 void set_string_property (Atom prop, const char *str, int len = -1);
1429 void set_mbstring_property (Atom prop, const char *str, int len = -1);
1430 void set_utf8_property (Atom prop, const char *str, int len = -1);
1431 void set_title (const char *str);
1432 void set_icon_name (const char *str);
1433 void set_window_color (int idx, const char *color);
1434 char *get_colorfgbg ();
1435 bool set_color (rxvt_color &color, const char *name);
1436 void alias_color (int dst, int src);
1437 void set_widthheight (unsigned int newwidth, unsigned int newheight);
1438 void get_window_origin (int &x, int &y);
1439
1440 // screen.C
1441
1442 bool option (uint8_t opt) const NOTHROW
1443 {
1444 return options[opt >> 3] & (1 << (opt & 7));
1445 }
1446
1447 void set_option (uint8_t opt, bool set = true) NOTHROW;
1448
1449 int fgcolor_of (rend_t r) const NOTHROW
1450 {
1451 int base = GET_BASEFG (r);
1452 #ifndef NO_BRIGHTCOLOR
1453 if (r & RS_Bold
1454 # if ENABLE_STYLES
1455 && option (Opt_intensityStyles)
1456 # endif
1457 && IN_RANGE_EXC (base, minCOLOR, minBrightCOLOR))
1458 base += minBrightCOLOR - minCOLOR;
1459 #endif
1460 return base;
1461 }
1462
1463 int bgcolor_of (rend_t r) const NOTHROW
1464 {
1465 int base = GET_BASEBG (r);
1466 #ifndef NO_BRIGHTCOLOR
1467 if (r & RS_Blink
1468 # if ENABLE_STYLES
1469 && option (Opt_intensityStyles)
1470 # endif
1471 && IN_RANGE_EXC (base, minCOLOR, minBrightCOLOR))
1472 base += minBrightCOLOR - minCOLOR;
1473 #endif
1474 return base;
1475 }
1476
1477 // modifies first argument(!)
1478 void tt_paste (char *data, unsigned int len) NOTHROW;
1479 void paste (char *data, unsigned int len) NOTHROW;
1480 void scr_alloc () NOTHROW;
1481 void scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const NOTHROW;
1482 void scr_blank_screen_mem (line_t &l, rend_t efs) const NOTHROW;
1483 void scr_kill_char (line_t &l, int col) const NOTHROW;
1484 void scr_set_char_rend (line_t &l, int col, rend_t rend);
1485 int scr_scroll_text (int row1, int row2, int count) NOTHROW;
1486 void copy_line (line_t &dst, line_t &src);
1487 void scr_reset ();
1488 void scr_release () NOTHROW;
1489 void scr_clear (bool really = false) NOTHROW;
1490 void scr_refresh () NOTHROW;
1491 bool scr_refresh_rend (rend_t mask, rend_t value) NOTHROW;
1492 void scr_erase_screen (int mode) NOTHROW;
1493 #if ENABLE_FRILLS
1494 void scr_erase_savelines () NOTHROW;
1495 void scr_backindex () NOTHROW;
1496 void scr_forwardindex () NOTHROW;
1497 #endif
1498 void scr_touch (bool refresh) NOTHROW;
1499 void scr_expose (int x, int y, int width, int height, bool refresh) NOTHROW;
1500 void scr_recolor (bool refresh = true) NOTHROW;
1501 void scr_remap_chars () NOTHROW;
1502 void scr_remap_chars (line_t &l) NOTHROW;
1503
1504 enum cursor_mode { SAVE, RESTORE };
1505
1506 void scr_poweron ();
1507 void scr_soft_reset () NOTHROW;
1508 void scr_cursor (cursor_mode mode) NOTHROW;
1509 void scr_do_wrap () NOTHROW;
1510 void scr_swap_screen () NOTHROW;
1511 void scr_change_screen (int scrn);
1512 void scr_color (unsigned int color, int fgbg) NOTHROW;
1513 void scr_rendition (int set, int style) NOTHROW;
1514 void scr_add_lines (const wchar_t *str, int len, int minlines = 0) NOTHROW;
1515 void scr_backspace () NOTHROW;
1516 void scr_tab (int count, bool ht = false) NOTHROW;
1517 void scr_gotorc (int row, int col, int relative) NOTHROW;
1518 void scr_index (enum page_dirn direction) NOTHROW;
1519 void scr_erase_line (int mode) NOTHROW;
1520 void scr_E () NOTHROW;
1521 void scr_insdel_lines (int count, int insdel) NOTHROW;
1522 void scr_insdel_chars (int count, int insdel) NOTHROW;
1523 void scr_scroll_region (int top, int bot) NOTHROW;
1524 void scr_cursor_visible (int mode) NOTHROW;
1525 void scr_autowrap (int mode) NOTHROW;
1526 void scr_relative_origin (int mode) NOTHROW;
1527 void scr_insert_mode (int mode) NOTHROW;
1528 void scr_set_tab (int mode) NOTHROW;
1529 void scr_rvideo_mode (bool on) NOTHROW;
1530 void scr_report_position () NOTHROW;
1531 void set_font_style () NOTHROW;
1532 void scr_charset_choose (int set) NOTHROW;
1533 void scr_charset_set (int set, unsigned int ch) NOTHROW;
1534 void scr_move_to (int y, int len) NOTHROW;
1535 bool scr_page (int nlines) NOTHROW;
1536 bool scr_page (enum page_dirn direction, int nlines) NOTHROW
1537 {
1538 return scr_page (direction * nlines);
1539 }
1540 bool scr_changeview (int new_view_start) NOTHROW;
1541 void scr_bell () NOTHROW;
1542 void scr_printscreen (int fullhist) NOTHROW;
1543 void scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) NOTHROW;
1544 void scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) NOTHROW;
1545 void scr_reverse_selection () NOTHROW;
1546 void scr_dump (int fd) NOTHROW;
1547
1548 void selection_check (int check_more) NOTHROW;
1549 void selection_changed () NOTHROW; /* sets want_refresh, corrects coordinates */
1550 void selection_request (Time tm, int selnum = Sel_Primary) NOTHROW;
1551 void selection_clear (bool clipboard = false) NOTHROW;
1552 void selection_make (Time tm);
1553 bool selection_grab (Time tm, bool clipboard = false) NOTHROW;
1554 void selection_start_colrow (int col, int row) NOTHROW;
1555 void selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW;
1556 void selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW;
1557 void selection_remove_trailing_spaces () NOTHROW;
1558 void selection_send (const XSelectionRequestEvent &rq) NOTHROW;
1559 void selection_click (int clicks, int x, int y) NOTHROW;
1560 void selection_extend (int x, int y, int flag) NOTHROW;
1561 void selection_rotate (int x, int y) NOTHROW;
1562
1563 // xdefaults.C
1564 void rxvt_usage (int type);
1565 const char **get_options (int argc, const char *const *argv);
1566 int parse_keysym (const char *str, unsigned int &state);
1567 int bind_action (const char *str, const char *arg);
1568 const char *x_resource (const char *name);
1569 void extract_resources ();
1570 void enumerate_keysym_resources (void (*cb)(rxvt_term *, const char *, const char *));
1571 void extract_keysym_resources ();
1572 };
1573
1574 #endif /* _RXVT_H_ */
1575