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/cvs/cvsroot/rxvt-unicode/src/rxvt.h
Revision: 1.552
Committed: Thu Jul 14 05:33:26 2016 UTC (8 years ago) by sf-exg
Content type: text/plain
Branch: MAIN
Changes since 1.551: +2 -126 lines
Log Message:
Move old bg image frontend to background extension.

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_IMG 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 ecb_noreturn ecb_cold
154 void rxvt_fatal (const char *fmt, ...) THROW ((class rxvt_failure_exception));
155 ecb_noreturn ecb_cold
156 void rxvt_exit_failure () THROW ((class rxvt_failure_exception));
157
158 void * rxvt_malloc (size_t size);
159 void * rxvt_calloc (size_t number, size_t size);
160 void * rxvt_realloc (void *ptr, size_t size);
161
162 char * rxvt_strtrim (char *str) NOTHROW;
163 char ** rxvt_strsplit (char delim, const char *str) NOTHROW;
164
165 static inline void
166 rxvt_free_strsplit (char **ptr) NOTHROW
167 {
168 free (ptr[0]);
169 free (ptr);
170 }
171
172 KeySym rxvt_XKeycodeToKeysym (Display *dpy, KeyCode keycode, int index);
173
174 /////////////////////////////////////////////////////////////////////////////
175
176 // temporarily replace the process environment
177 extern char **environ;
178 extern char **rxvt_environ; // the original environ pointer
179
180 static inline void
181 set_environ (char **envv)
182 {
183 #if ENABLE_PERL
184 assert (envv);
185 #else
186 if (envv)
187 #endif
188 environ = envv;
189 }
190
191 struct localise_env
192 {
193 char **orig_env;
194
195 localise_env (char **new_env)
196 {
197 orig_env = environ;
198 environ = new_env;
199 }
200
201 ~localise_env ()
202 {
203 environ = orig_env;
204 }
205 };
206
207 /*
208 *****************************************************************************
209 * STRUCTURES AND TYPEDEFS
210 *****************************************************************************
211 */
212
213 /*
214 * the 'essential' information for reporting Mouse Events
215 * pared down from XButtonEvent
216 */
217 struct mouse_event
218 {
219 int clicks;
220 Time time; /* milliseconds */
221 unsigned int state; /* key or button mask */
222 unsigned int button; /* detail */
223 };
224
225 #if ENABLE_XEMBED
226 // XEMBED messages
227 # define XEMBED_EMBEDDED_NOTIFY 0
228 # define XEMBED_WINDOW_ACTIVATE 1
229 # define XEMBED_WINDOW_DEACTIVATE 2
230 # define XEMBED_REQUEST_FOCUS 3
231 # define XEMBED_FOCUS_IN 4
232 # define XEMBED_FOCUS_OUT 5
233 # define XEMBED_FOCUS_NEXT 6
234 # define XEMBED_FOCUS_PREV 7
235
236 # define XEMBED_MODALITY_ON 10
237 # define XEMBED_MODALITY_OFF 11
238 # define XEMBED_REGISTER_ACCELERATOR 12
239 # define XEMBED_UNREGISTER_ACCELERATOR 13
240 # define XEMBED_ACTIVATE_ACCELERATOR 14
241
242 // XEMBED detail code
243 # define XEMBED_FOCUS_CURRENT 0
244 # define XEMBED_FOCUS_FIRST 1
245 # define XEMBED_FOCUS_LAST 2
246
247 # define XEMBED_MAPPED (1 << 0)
248 #endif
249
250 /*
251 *****************************************************************************
252 * NORMAL DEFINES
253 *****************************************************************************
254 */
255
256 /* COLORTERM, TERM environment variables */
257 #define COLORTERMENV "rxvt"
258 #if HAVE_IMG
259 # define COLORTERMENVFULL COLORTERMENV "-xpm"
260 #else
261 # define COLORTERMENVFULL COLORTERMENV
262 #endif
263 #ifndef TERMENV
264 # if USE_256_COLORS
265 # define TERMENV "rxvt-unicode-256color"
266 # else
267 # define TERMENV "rxvt-unicode"
268 # endif
269 #endif
270
271 // Hidden color cube for indexed 24-bit colors. There are fewer blue levels
272 // because normal human eye is less sensitive to the blue component than to
273 // the red or green. (https://en.m.wikipedia.org/wiki/Color_depth#8-bit_color)
274 #if USE_256_COLORS
275 // 7x7x5=245 < 254 unused color indices
276 # define Red_levels 7
277 # define Green_levels 7
278 # define Blue_levels 5
279 #else
280 // 6x6x4=144 < 166 unused color indices
281 # define Red_levels 6
282 # define Green_levels 6
283 # define Blue_levels 4
284 #endif
285
286 #define RGB24_CUBE_SIZE (Red_levels * Green_levels * Blue_levels)
287
288 #if defined (NO_MOUSE_REPORT) && !defined (NO_MOUSE_REPORT_SCROLLBAR)
289 # define NO_MOUSE_REPORT_SCROLLBAR 1
290 #endif
291
292 #define scrollBar_esc 30
293
294 #if !defined (RXVT_SCROLLBAR) && !defined (NEXT_SCROLLBAR)
295 # define NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING 1
296 #endif
297
298 enum {
299 NO_REFRESH = 0, /* Window not visible at all! */
300 FAST_REFRESH = 1, /* Fully exposed window */
301 SLOW_REFRESH = 2, /* Partially exposed window */
302 };
303
304 #ifdef NO_SECONDARY_SCREEN
305 # define NSCREENS 0
306 #else
307 # define NSCREENS 1
308 #endif
309
310 /* flags for rxvt_term::scr_gotorc () */
311 enum {
312 C_RELATIVE = 1, /* col movement is relative */
313 R_RELATIVE = 2, /* row movement is relative */
314 RELATIVE = C_RELATIVE | R_RELATIVE,
315 };
316
317 /* modes for rxvt_term::scr_insdel_chars (), rxvt_term::scr_insdel_lines () */
318 enum {
319 INSERT = -1, /* don't change these values */
320 DELETE = +1,
321 ERASE = +2,
322 };
323
324 /* modes for rxvt_term::scr_page () - scroll page. used by scrollbar window */
325 enum page_dirn {
326 DN = -1,
327 NO_DIR = 0,
328 UP = 1,
329 };
330
331 /* arguments for rxvt_term::scr_change_screen () */
332 enum {
333 PRIMARY = 0,
334 SECONDARY,
335 };
336
337 // define various rendition bits and masks. the rendition word
338 // is 32 bits in size, and we should use it as efficiently as possible
339
340 #define RS_None 0
341
342 // GET_BGATTR depends on RS_fgShift > RS_bgShift
343 #define RS_colorMask ((1UL << Color_Bits) - 1UL)
344 #define RS_bgShift 0
345 #define RS_fgShift (RS_bgShift + Color_Bits)
346 #define RS_bgMask (RS_colorMask << RS_bgShift)
347 #define RS_fgMask (RS_colorMask << RS_fgShift)
348
349 // must have space for rxvt_fontset::fontCount * 2 + 2 values
350 #define RS_fontShift (RS_fgShift + Color_Bits)
351 #define RS_Careful (1UL << RS_fontShift) /* be careful when drawing these */
352 #define RS_fontCount rxvt_fontset::fontCount
353 #define RS_fontMask ((RS_fontCount << (RS_fontShift + 1)) | RS_Careful) // includes RS_Careful
354
355 // toggle this to force redraw, must be != RS_Careful and otherwise "pretty neutral"
356 #define RS_redraw (2UL << RS_fontShift)
357
358 #define RS_Sel (1UL << 22)
359
360 // 4 custom bits for extensions
361 #define RS_customCount 16UL
362 #define RS_customShift 23
363 #define RS_customMask ((RS_customCount - 1UL) << RS_customShift)
364
365 // font styles
366 #define RS_Bold (1UL << RS_styleShift)
367 #define RS_Italic (2UL << RS_styleShift)
368
369 #define RS_styleCount 4
370 #define RS_styleShift 27
371 #define RS_styleMask (RS_Bold | RS_Italic)
372
373 // fake styles
374 #define RS_Blink (1UL << 29)
375 #define RS_RVid (1UL << 30) // reverse video
376 #define RS_Uline (1UL << 31) // underline
377
378 #define RS_baseattrMask (RS_Italic | RS_Bold | RS_Blink | RS_RVid | RS_Uline)
379 #define RS_attrMask (RS_baseattrMask | RS_fontMask)
380
381 #define DEFAULT_RSTYLE (RS_None | (Color_fg << RS_fgShift) | (Color_bg << RS_bgShift))
382 #define OVERLAY_RSTYLE (RS_None | (Color_Black << RS_fgShift) | (Color_Yellow << RS_bgShift))
383
384 enum {
385 C0_NUL = 0x00,
386 C0_SOH, C0_STX, C0_ETX, C0_EOT, C0_ENQ, C0_ACK, C0_BEL,
387 C0_BS , C0_HT , C0_LF , C0_VT , C0_FF , C0_CR , C0_SO , C0_SI ,
388 C0_DLE, C0_DC1, C0_DC2, D0_DC3, C0_DC4, C0_NAK, C0_SYN, C0_ETB,
389 C0_CAN, C0_EM , C0_SUB, C0_ESC, C0_IS4, C0_IS3, C0_IS2, C0_IS1,
390 };
391 #define CHAR_ST 0x9c /* 0234 */
392
393 /*
394 * XTerm Operating System Commands: ESC ] Ps;Pt (ST|BEL)
395 * colour extensions by Christian W. Zuckschwerdt <zany@triq.net>
396 */
397 enum {
398 XTerm_name = 0,
399 XTerm_iconName = 1,
400 XTerm_title = 2,
401 XTerm_property = 3, // change X property
402 XTerm_Color = 4, // change colors
403 XTerm_Color00 = 10, // change fg color
404 XTerm_Color01 = 11, // change bg color
405 XTerm_Color_cursor = 12, // change actual 'Cursor' color
406 XTerm_Color_pointer_fg = 13, // change actual 'Pointer' fg color
407 XTerm_Color_pointer_bg = 14, // change actual 'Pointer' bg color
408 XTerm_Color05 = 15, // not implemented (tektronix fg)
409 XTerm_Color06 = 16, // not implemented (tektronix bg)
410 XTerm_Color_HC = 17, // change actual 'Highlight' bg color
411 XTerm_Color_HTC = 19, // change actual 'Highlight' fg color
412 XTerm_logfile = 46, // not implemented
413 XTerm_font = 50,
414
415 XTerm_konsole30 = 30, // reserved for konsole
416 XTerm_konsole31 = 31, // reserved for konsole
417 XTerm_emacs51 = 51, // reserved for emacs shell
418 /*
419 * rxvt extensions of XTerm OSCs: ESC ] Ps;Pt (ST|BEL)
420 */
421
422 // deprecated
423 Rxvt_restoreFG = 39,
424 Rxvt_restoreBG = 49,
425
426 Rxvt_dumpscreen = 55, // dump scrollback and all of screen
427
428 URxvt_locale = 701, // change locale
429 URxvt_version = 702, // request version
430
431 URxvt_Color_IT = 704, // change actual 'Italic' colour
432 URxvt_Color_BD = 706, // change actual 'Bold' color
433 URxvt_Color_UL = 707, // change actual 'Underline' color
434 URxvt_Color_border = 708,
435
436 URxvt_font = 710,
437 URxvt_boldFont = 711,
438 URxvt_italicFont = 712,
439 URxvt_boldItalicFont = 713,
440
441 URxvt_view_up = 720,
442 URxvt_view_down = 721,
443
444 URxvt_perl = 777, // for use by perl extensions, starts with "extension-name;"
445 };
446
447 /* Words starting with `Color_' are colours. Others are counts */
448 /*
449 * The PixColor and rendition colour usage should probably be decoupled
450 * on the unnecessary items, e.g. Color_pointer, but won't bother
451 * until we need to. Also, be aware of usage in pixcolor_set
452 */
453
454 enum colour_list {
455 Color_none = -2,
456 Color_transparent = -1,
457 Color_fg = 0,
458 Color_bg,
459 minCOLOR, /* 2 */
460 Color_Black = minCOLOR,
461 Color_Red3,
462 Color_Green3,
463 Color_Yellow3,
464 Color_Blue3,
465 Color_Magenta3,
466 Color_Cyan3,
467 maxCOLOR, /* minCOLOR + 7 */
468 #ifndef NO_BRIGHTCOLOR
469 Color_AntiqueWhite = maxCOLOR,
470 minBrightCOLOR, /* maxCOLOR + 1 */
471 Color_Grey25 = minBrightCOLOR,
472 Color_Red,
473 Color_Green,
474 Color_Yellow,
475 Color_Blue,
476 Color_Magenta,
477 Color_Cyan,
478 maxBrightCOLOR, /* minBrightCOLOR + 7 */
479 Color_White = maxBrightCOLOR,
480 #else
481 Color_White = maxCOLOR,
482 #endif
483 minTermCOLOR = Color_White + 1,
484 #if USE_256_COLORS
485 maxTermCOLOR = Color_White + 240,
486 #else
487 maxTermCOLOR = Color_White + 72,
488 #endif
489 minTermCOLOR24,
490 maxTermCOLOR24 = minTermCOLOR24 +
491 RGB24_CUBE_SIZE - 1,
492 #ifndef NO_CURSORCOLOR
493 Color_cursor,
494 Color_cursor2,
495 #endif
496 Color_pointer_fg,
497 Color_pointer_bg,
498 Color_border,
499 #ifndef NO_BOLD_UNDERLINE_REVERSE
500 Color_BD,
501 Color_IT,
502 Color_UL,
503 Color_RV,
504 #endif
505 #if ENABLE_FRILLS
506 Color_underline,
507 #endif
508 #ifdef OPTION_HC
509 Color_HC,
510 Color_HTC,
511 #endif
512 Color_scroll,
513 #ifdef RXVT_SCROLLBAR
514 Color_trough,
515 #endif
516 #if OFF_FOCUS_FADING
517 Color_fade,
518 #endif
519 NRS_COLORS, /* */
520 #ifdef RXVT_SCROLLBAR
521 Color_topShadow = NRS_COLORS,
522 Color_bottomShadow,
523 TOTAL_COLORS
524 #else
525 TOTAL_COLORS = NRS_COLORS
526 #endif
527 };
528
529 #if USE_256_COLORS
530 # define Color_Bits 9 // 0 .. maxTermCOLOR24
531 #else
532 # define Color_Bits 8 // 0 .. maxTermCOLOR24
533 #endif
534
535 #if maxTermCOLOR24 >= (1 << Color_Bits)
536 # error color index overflow
537 #endif
538
539 /*
540 * Resource list
541 */
542 enum {
543 # define def(name) Rs_ ## name,
544 # define reserve(name,count) Rs_ ## name ## _ = Rs_ ## name + (count) - 1,
545 # include "rsinc.h"
546 # undef def
547 # undef reserve
548 NUM_RESOURCES
549 };
550
551 /* DEC private modes */
552 #define PrivMode_132 (1UL<<0)
553 #define PrivMode_132OK (1UL<<1)
554 #define PrivMode_rVideo (1UL<<2)
555 #define PrivMode_relOrigin (1UL<<3)
556 #define PrivMode_Screen (1UL<<4)
557 #define PrivMode_Autowrap (1UL<<5)
558 #define PrivMode_aplCUR (1UL<<6)
559 #define PrivMode_aplKP (1UL<<7)
560 #define PrivMode_HaveBackSpace (1UL<<8)
561 #define PrivMode_BackSpace (1UL<<9)
562 #define PrivMode_ShiftKeys (1UL<<10)
563 #define PrivMode_VisibleCursor (1UL<<11)
564 #define PrivMode_MouseX10 (1UL<<12)
565 #define PrivMode_MouseX11 (1UL<<13)
566 #define PrivMode_scrollBar (1UL<<14)
567 #define PrivMode_TtyOutputInh (1UL<<15)
568 #define PrivMode_Keypress (1UL<<16)
569 #define PrivMode_smoothScroll (1UL<<17)
570 #define PrivMode_vt52 (1UL<<18)
571 #define PrivMode_LFNL (1UL<<19)
572 #define PrivMode_MouseBtnEvent (1UL<<20)
573 #define PrivMode_MouseAnyEvent (1UL<<21)
574 #define PrivMode_BracketPaste (1UL<<22)
575 #define PrivMode_ExtModeMouse (1UL<<23) // xterm pseudo-utf-8 hack
576 #define PrivMode_ExtMouseRight (1UL<<24) // xterm pseudo-utf-8, but works in non-utf-8-locales
577 #define PrivMode_BlinkingCursor (1UL<<25)
578 #define PrivMode_FocusEvent (1UL<<26)
579
580 #define PrivMode_mouse_report (PrivMode_MouseX10|PrivMode_MouseX11|PrivMode_MouseBtnEvent|PrivMode_MouseAnyEvent)
581
582 #ifdef ALLOW_132_MODE
583 # define PrivMode_Default (PrivMode_Autowrap|PrivMode_ShiftKeys|PrivMode_VisibleCursor|PrivMode_132OK)
584 #else
585 # define PrivMode_Default (PrivMode_Autowrap|PrivMode_ShiftKeys|PrivMode_VisibleCursor)
586 #endif
587
588 // do not change these constants lightly, there are many interdependencies
589 #define IMBUFSIZ 128 // input modifier buffer sizes
590 #define KBUFSZ 512 // size of keyboard mapping buffer
591 #define CBUFSIZ 32768 // size of command buffer (longest command sequence possible)
592 #define CBUFCNT 8 // never call pty_fill/cmd_parse more than this often in a row
593 #define UBUFSIZ 2048 // character buffer
594
595 #if ENABLE_FRILLS
596 # include <X11/Xmd.h>
597 typedef struct _mwmhints
598 {
599 CARD32 flags;
600 CARD32 functions;
601 CARD32 decorations;
602 INT32 input_mode;
603 CARD32 status;
604 } MWMHints;
605 #endif
606
607 /* Motif window hints */
608 #define MWM_HINTS_FUNCTIONS (1L << 0)
609 #define MWM_HINTS_DECORATIONS (1L << 1)
610 #define MWM_HINTS_INPUT_MODE (1L << 2)
611 #define MWM_HINTS_STATUS (1L << 3)
612 /* bit definitions for MwmHints.functions */
613 #define MWM_FUNC_ALL (1L << 0)
614 #define MWM_FUNC_RESIZE (1L << 1)
615 #define MWM_FUNC_MOVE (1L << 2)
616 #define MWM_FUNC_MINIMIZE (1L << 3)
617 #define MWM_FUNC_MAXIMIZE (1L << 4)
618 #define MWM_FUNC_CLOSE (1L << 5)
619 /* bit definitions for MwmHints.decorations */
620 #define MWM_DECOR_ALL (1L << 0)
621 #define MWM_DECOR_BORDER (1L << 1)
622 #define MWM_DECOR_RESIZEH (1L << 2)
623 #define MWM_DECOR_TITLE (1L << 3)
624 #define MWM_DECOR_MENU (1L << 4)
625 #define MWM_DECOR_MINIMIZE (1L << 5)
626 #define MWM_DECOR_MAXIMIZE (1L << 6)
627 /* bit definitions for MwmHints.inputMode */
628 #define MWM_INPUT_MODELESS 0
629 #define MWM_INPUT_PRIMARY_APPLICATION_MODAL 1
630 #define MWM_INPUT_SYSTEM_MODAL 2
631 #define MWM_INPUT_FULL_APPLICATION_MODAL 3
632 #define PROP_MWM_HINTS_ELEMENTS 5
633
634 /*
635 *****************************************************************************
636 * MACRO DEFINES
637 *****************************************************************************
638 */
639
640 // speed hack, copy some member variable into a local variable of the same name
641 #define dLocal(type,name) type const name = this->name
642
643 // for speed reasons, we assume that all codepoints 32 to 126 are
644 // single-width.
645 #define WCWIDTH(c) (IN_RANGE_INC (c, 0x20, 0x7e) ? 1 : wcwidth (c))
646
647 /* convert pixel dimensions to row/column values. Everything as int32_t */
648 #define Pixel2Col(x) Pixel2Width((int32_t)(x))
649 #define Pixel2Row(y) Pixel2Height((int32_t)(y))
650 #define Pixel2Width(x) ((int32_t)(x) / (int32_t)fwidth)
651 #define Pixel2Height(y) ((int32_t)(y) / (int32_t)fheight)
652 #define Col2Pixel(col) ((int32_t)Width2Pixel(col))
653 #define Row2Pixel(row) ((int32_t)Height2Pixel(row))
654 #define Width2Pixel(n) ((int32_t)(n) * (int32_t)fwidth)
655 #define Height2Pixel(n) ((int32_t)(n) * (int32_t)fheight)
656
657 #define LINENO_of(t,n) MOD ((t)->term_start + int(n), (t)->total_rows)
658 #define ROW_of(t,n) (t)->row_buf [LINENO_of ((t), n)]
659
660 #define LINENO(n) LINENO_of (this, n)
661 #define ROW(n) ROW_of (this, n)
662
663 /* how to build & extract colors and attributes */
664 #define GET_BASEFG(x) (((x) & RS_fgMask) >> RS_fgShift)
665 #define GET_BASEBG(x) (((x) & RS_bgMask) >> RS_bgShift)
666
667 #define GET_FONT(x) (((x) & RS_fontMask) >> RS_fontShift)
668 #define SET_FONT(x,fid) (((x) & ~RS_fontMask) | ((fid) << RS_fontShift))
669
670 #define GET_STYLE(x) (((x) & RS_styleMask) >> RS_styleShift)
671 #define SET_STYLE(x,style) (((x) & ~RS_styleMask) | ((style) << RS_styleShift))
672
673 #define GET_ATTR(x) (((x) & RS_attrMask))
674 #define SET_FGCOLOR(x,fg) (((x) & ~RS_fgMask) | ((fg) << RS_fgShift))
675 #define SET_BGCOLOR(x,bg) (((x) & ~RS_bgMask) | ((bg) << RS_bgShift))
676 #define SET_ATTR(x,a) (((x) & ~RS_attrMask) | (a))
677
678 #define RS_SAME(a,b) (!(((a) ^ (b)) & ~RS_Careful))
679
680 #define PIXCOLOR_NAME(idx) rs[Rs_color + (idx)]
681 #define ISSET_PIXCOLOR(idx) (!!rs[Rs_color + (idx)])
682
683 #if ENABLE_STYLES
684 # define FONTSET_of(t,style) (t)->fontset[GET_STYLE (style)]
685 #else
686 # define FONTSET_of(t,style) (t)->fontset[0]
687 #endif
688
689 #define FONTSET(style) FONTSET_of (this, style)
690
691 typedef callback<void (const char *)> log_callback;
692 typedef callback<int (int)> getfd_callback;
693
694 /****************************************************************************/
695
696 #define LINE_LONGER 0x0001 // line is continued on the next row
697 #define LINE_FILTERED 0x0002 // line has been filtered
698 #define LINE_COMPRESSED 0x0004 // line has been compressed (NYI)
699 #define LINE_FILTER 0x0008 // line needs to be filtered before display (NYI)
700 #define LINE_BIDI 0x0010 // line needs bidi (NYI)
701
702 struct line_t
703 {
704 text_t *t; // terminal the text
705 rend_t *r; // rendition, uses RS_ flags
706 tlen_t_ l; // length of each text line
707 uint32_t f; // flags
708
709 bool valid ()
710 {
711 return l >= 0;
712 }
713
714 void alloc ()
715 {
716 l = 0;
717 }
718
719 bool is_longer ()
720 {
721 return f & LINE_LONGER;
722 }
723
724 void is_longer (int set)
725 {
726 if (set)
727 f |= LINE_LONGER;
728 else
729 f &= ~LINE_LONGER;
730 }
731
732 void clear ()
733 {
734 t = 0;
735 r = 0;
736 l = 0;
737 f = 0;
738 }
739
740 void touch () // call whenever a line is changed/touched/updated
741 {
742 #if ENABLE_PERL
743 f &= ~LINE_FILTERED;
744 #endif
745 }
746
747 void touch (int col)
748 {
749 max_it (l, col);
750 touch ();
751 }
752 };
753
754 /****************************************************************************/
755
756 // primitive wrapper around mbstate_t to ensure initialisation
757 struct mbstate
758 {
759 mbstate_t mbs;
760
761 operator mbstate_t *() { return &mbs; }
762 void reset () { memset (&mbs, 0, sizeof (mbs)); }
763 mbstate () { reset (); }
764 };
765
766 /****************************************************************************/
767
768 #define UNICODE_MASK 0x1fffffUL
769
770 #if UNICODE_3
771 # define COMPOSE_LO 0x40000000UL
772 # define COMPOSE_HI 0x400fffffUL
773 # define IS_COMPOSE(n) ((int32_t)(n) >= COMPOSE_LO)
774 #else
775 # if ENABLE_PERL
776 # define COMPOSE_LO 0xe000UL // our _own_ functions don't like (illegal) surrogates
777 # define COMPOSE_HI 0xf8ffUL // in utf-8, so use private use area only
778 # else
779 # define COMPOSE_LO 0xd800UL
780 # define COMPOSE_HI 0xf8ffUL
781 # endif
782 # define IS_COMPOSE(n) IN_RANGE_INC ((n), COMPOSE_LO, COMPOSE_HI)
783 #endif
784
785 #if ENABLE_COMBINING
786 // compose chars are used to represent composite characters
787 // that are not representable in unicode, as well as characters
788 // not fitting in the BMP.
789 struct compose_char
790 {
791 unicode_t c1, c2; // any chars != NOCHAR are valid
792
793 compose_char (unicode_t c1, unicode_t c2)
794 : c1(c1), c2(c2)
795 { }
796 };
797
798 class rxvt_composite_vec
799 {
800 vector<compose_char> v;
801 public:
802 text_t compose (unicode_t c1, unicode_t c2 = NOCHAR);
803 int expand (unicode_t c, wchar_t *r);
804 compose_char *operator [](text_t c)
805 {
806 return c >= COMPOSE_LO && c < COMPOSE_LO + v.size ()
807 ? &v[c - COMPOSE_LO]
808 : 0;
809 }
810 };
811
812 extern class rxvt_composite_vec rxvt_composite;
813 #endif
814
815 /****************************************************************************/
816
817 #ifdef KEYSYM_RESOURCE
818 class keyboard_manager;
819 #endif
820
821 typedef struct rxvt_term *rxvt_t;
822
823 extern rxvt_t rxvt_current_term;
824
825 #define SET_R(r) rxvt_current_term = const_cast<rxvt_term *>(r)
826 #define GET_R rxvt_current_term
827
828 /* ------------------------------------------------------------------------- */
829 struct overlay_base
830 {
831 int x, y, w, h; // overlay dimensions
832 text_t **text;
833 rend_t **rend;
834
835 // while tempting to add swap() etc. here, it effectively only increases code size
836 };
837
838 /* ------------------------------------------------------------------------- */
839
840 typedef struct
841 {
842 int row;
843 int col;
844 } row_col_t;
845
846 /*
847 * terminal limits:
848 *
849 * width : 1 <= width
850 * height : 1 <= height
851 * ncol : 1 <= ncol <= MAX(tlen_t)
852 * nrow : 1 <= nrow <= MAX(int)
853 * saveLines : 0 <= saveLines <= MAX(int)
854 * term_start : 0 <= term_start < saveLines
855 * total_rows : nrow + saveLines
856 *
857 * top_row : -saveLines <= top_row <= 0
858 * view_start : top_row <= view_start <= 0
859 *
860 * | most coordinates are stored relative to term_start,
861 * ROW_BUF | which is the first line of the terminal screen
862 * |························= row_buf[0]
863 * |························= row_buf[1]
864 * |························= row_buf[2] etc.
865 * |
866 * +------------+···········= term_start + top_row
867 * | scrollback |
868 * | scrollback +---------+·= term_start + view_start
869 * | scrollback | display |
870 * | scrollback | display |
871 * +------------+·display·+·= term_start
872 * | terminal | display |
873 * | terminal +---------+
874 * | terminal |
875 * | terminal |
876 * +------------+···········= term_start + nrow - 1
877 * |
878 * |
879 * END······················= total_rows
880 */
881
882 struct TermWin_t
883 {
884 int vt_width; /* actual window width [pixels] */
885 int vt_height; /* actual window height [pixels] */
886 int width; /* window width [pixels] */
887 int height; /* window height [pixels] */
888 int fwidth; /* font width [pixels] */
889 int fheight; /* font height [pixels] */
890 int fbase; /* font ascent (baseline) [pixels] */
891 int ncol; /* window columns [characters] */
892 int nrow; /* window rows [characters] */
893 int focus; /* window has focus */
894 int mapped; /* window state mapped? */
895 int int_bwidth; /* internal border width */
896 int ext_bwidth; /* external border width */
897 int lineSpace; /* number of extra pixels between rows */
898 int letterSpace; /* number of extra pixels between columns */
899 int saveLines; /* number of lines that fit in scrollback */
900 int total_rows; /* total number of rows in this terminal */
901 int term_start; /* term lines start here */
902 int view_start; /* scrollback view starts here */
903 int top_row; /* topmost row index of scrollback */
904 Window parent; /* parent identifier */
905 Window vt; /* vt100 window */
906 GC gc; /* GC for drawing */
907 rxvt_drawable *drawable;
908 rxvt_fontset *fontset[4];
909 };
910
911 /*
912 * screen accounting:
913 * screen_t elements
914 * row: Cursor row position : 0 <= row < nrow
915 * col: Cursor column position : 0 <= col < ncol
916 * tscroll: Scrolling region top row inclusive : 0 <= row < nrow
917 * bscroll: Scrolling region bottom row inclusive : 0 <= row < nrow
918 *
919 * selection_t elements
920 * clicks: 1, 2 or 3 clicks - 4 indicates a special condition of 1 where
921 * nothing is selected
922 * beg: row/column of beginning of selection : never past mark
923 * mark: row/column of initial click : never past end
924 * end: row/column of one character past end of selection
925 * * Note: top_row <= beg.row <= mark.row <= end.row < nrow
926 * * Note: col == -1 ==> we're left of screen
927 *
928 */
929 struct screen_t
930 {
931 row_col_t cur; /* cursor position on the screen */
932 int tscroll; /* top of settable scroll region */
933 int bscroll; /* bottom of settable scroll region */
934 unsigned int charset; /* character set number [0..3] */
935 unsigned int flags; /* see below */
936 row_col_t s_cur; /* saved cursor position */
937 unsigned int s_charset; /* saved character set number [0..3] */
938 char s_charset_char;
939 rend_t s_rstyle; /* saved rendition style */
940 };
941
942 enum selection_op_t
943 {
944 SELECTION_CLEAR = 0, /* nothing selected */
945 SELECTION_INIT, /* marked a point */
946 SELECTION_BEGIN, /* started a selection */
947 SELECTION_CONT, /* continued selection */
948 SELECTION_DONE /* selection put in CUT_BUFFER0 */
949 };
950
951 struct selection_t
952 {
953 wchar_t *text; /* selected text */
954 unsigned int len; /* length of selected text */
955 unsigned int screen; /* screen being used */
956 unsigned int clicks; /* number of clicks */
957 selection_op_t op; /* current operation */
958 bool rect; /* rectangular selection? */
959 row_col_t beg; /* beginning of selection <= mark */
960 row_col_t mark; /* point of initial click <= end */
961 row_col_t end; /* one character past end point */
962 wchar_t *clip_text; /* text copied to the clipboard */
963 unsigned int clip_len; /* length of clipboard text */
964 };
965
966 /* ------------------------------------------------------------------------- */
967
968 /* screen_t flags */
969 #define Screen_Relative (1<<0) /* relative origin mode flag */
970 #define Screen_VisibleCursor (1<<1) /* cursor visible? */
971 #define Screen_Autowrap (1<<2) /* auto-wrap flag */
972 #define Screen_Insert (1<<3) /* insert mode (vs. overstrike) */
973 #define Screen_WrapNext (1<<4) /* need to wrap for next char? */
974 #define Screen_DefaultFlags (Screen_VisibleCursor | Screen_Autowrap)
975
976 /* rxvt_vars.options */
977 enum {
978 # define def(name) Opt_ ## name,
979 # define nodef(name) Opt_prev_ ## name, Opt_ ## name = 0, Opt_next_ ## name = Opt_prev_ ## name - 1,
980 Opt_0,
981 # include "optinc.h"
982 # undef nodef
983 # undef def
984 Opt_count
985 };
986
987 /* ------------------------------------------------------------------------- */
988
989 struct rxvt_vars : TermWin_t
990 {
991 scrollBar_t scrollBar;
992 uint8_t options[(Opt_count + 7) >> 3];
993 XSizeHints szHint;
994 rxvt_color *pix_colors;
995 Cursor TermWin_cursor; /* cursor for vt window */
996
997 line_t *row_buf; // all lines, scrollback + terminal, circular
998 line_t *drawn_buf; // text on screen
999 line_t *swap_buf; // lines for swap buffer
1000 char *tabs; /* per location: 1 == tab-stop */
1001 screen_t screen;
1002 screen_t swap;
1003 selection_t selection;
1004 rxvt_color pix_colors_focused[TOTAL_COLORS];
1005 #ifdef OFF_FOCUS_FADING
1006 rxvt_color pix_colors_unfocused[TOTAL_COLORS];
1007 #endif
1008 };
1009
1010 struct rxvt_term : zero_initialized, rxvt_vars, rxvt_screen
1011 {
1012
1013 // special markers with magic addresses
1014 static const char resval_undef []; // options specifically unset
1015 static const char resval_on []; // boolean options switched on
1016 static const char resval_off []; // or off
1017
1018 log_callback *log_hook; // log error messages through this hook, if != 0
1019 getfd_callback *getfd_hook; // convert remote to local fd, if != 0
1020 #if ENABLE_PERL
1021 rxvt_perl_term perl;
1022 #endif
1023 struct mbstate mbstate; // current input multibyte state
1024
1025 unsigned char want_refresh:1,
1026 current_screen:1, /* primary or secondary */
1027 num_scr_allow:1,
1028 bypass_keystate:1,
1029 #if ENABLE_FRILLS
1030 urgency_hint:1,
1031 #endif
1032 #if CURSOR_BLINK
1033 hidden_cursor:1,
1034 #endif
1035 #if TEXT_BLINK
1036 hidden_text:1,
1037 #endif
1038 #if POINTER_BLANK
1039 hidden_pointer:1,
1040 #endif
1041 enc_utf8:1, /* whether locale uses utf-8 */
1042 seen_input:1, /* whether we have seen some program output yet */
1043 seen_resize:1, /* whether we had a resize event */
1044 init_done:1,
1045 parsed_geometry:1;
1046
1047 unsigned char refresh_type,
1048 #ifdef META8_OPTION
1049 meta_char; /* Alt-key prefix */
1050 #endif
1051 /* ---------- */
1052 bool rvideo_state, rvideo_mode;
1053 #ifndef NO_BELL
1054 bool rvideo_bell;
1055 #endif
1056 int num_scr; /* screen: number of lines scrolled */
1057 int prev_ncol, /* screen: previous number of columns */
1058 prev_nrow; /* screen: previous number of rows */
1059 /* ---------- */
1060 rend_t rstyle;
1061 /* ---------- */
1062 #ifdef SELECTION_SCROLLING
1063 int scroll_selection_lines;
1064 int selection_save_x,
1065 selection_save_y,
1066 selection_save_state;
1067 #endif
1068 /* ---------- */
1069 int csrO, /* Hops - csr offset in thumb/slider to */
1070 /* give proper Scroll behaviour */
1071 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1072 mouse_slip_wheel_speed,
1073 #endif
1074 refresh_count,
1075 window_vt_x,
1076 window_vt_y,
1077 mouse_row,
1078 mouse_col,
1079 # ifdef POINTER_BLANK
1080 pointerBlankDelay,
1081 # endif
1082 multiClickTime,
1083 cursor_type,
1084 allowedxerror;
1085 /* ---------- */
1086 unsigned int ModLevel3Mask,
1087 ModMetaMask,
1088 ModNumLockMask;
1089 unsigned long priv_modes,
1090 SavedModes;
1091 /* ---------- */
1092 Atom *xa;
1093 /* ---------- */
1094 Time selection_time,
1095 clipboard_time;
1096 rxvt_selection *selection_req;
1097 pid_t cmd_pid; /* process id of child */
1098 /* ---------- */
1099 struct mouse_event MEvent;
1100 XComposeStatus compose;
1101 static struct termios def_tio;
1102 row_col_t oldcursor;
1103
1104 #ifdef HAVE_IMG
1105 enum {
1106 BG_IS_TRANSPARENT = 1 << 1,
1107 BG_NEEDS_REFRESH = 1 << 2,
1108 };
1109
1110 uint8_t bg_flags;
1111
1112 rxvt_img *bg_img;
1113 #endif
1114
1115 #if ENABLE_OVERLAY
1116 overlay_base ov;
1117
1118 void scr_swap_overlay () NOTHROW;
1119 void scr_overlay_new (int x, int y, int w, int h) NOTHROW;
1120 void scr_overlay_off () NOTHROW;
1121 void scr_overlay_set (int x, int y,
1122 text_t text,
1123 rend_t rend = OVERLAY_RSTYLE) NOTHROW;
1124 void scr_overlay_set (int x, int y, const char *s) NOTHROW;
1125 void scr_overlay_set (int x, int y, const wchar_t *s) NOTHROW;
1126 #endif
1127
1128 vector<void *> allocated; // free these memory blocks with free()
1129
1130 int parent_x, parent_y; // parent window position relative to root, only updated on demand
1131
1132 char *locale;
1133 char charsets[4];
1134 char *v_buffer; /* pointer to physical buffer */
1135 unsigned int v_buflen; /* size of area to write */
1136 stringvec *argv, *envv; /* if != 0, will be freed at destroy time */
1137 char **env;
1138
1139 #ifdef KEYSYM_RESOURCE
1140 keyboard_manager *keyboard;
1141 #endif
1142 #ifndef NO_RESOURCES
1143 XrmDatabase option_db;
1144 #endif
1145
1146 const char *rs[NUM_RESOURCES];
1147 /* command input buffering */
1148 char *cmdbuf_ptr, *cmdbuf_endp;
1149 char cmdbuf_base[CBUFSIZ];
1150
1151 ptytty *pty;
1152
1153 // chunk contains all line_t's as well as rend_t and text_t buffers
1154 // for drawn_buf, swap_buf and row_buf, in this order
1155 void *chunk;
1156 size_t chunk_size;
1157
1158 uint32_t rgb24_color[RGB24_CUBE_SIZE]; // the 24-bit color value
1159 uint16_t rgb24_seqno[RGB24_CUBE_SIZE]; // which one is older?
1160 uint16_t rgb24_sequence;
1161
1162 static vector<rxvt_term *> termlist; // a vector of all running rxvt_term's
1163
1164 #if ENABLE_FRILLS || ISO_14755
1165 // ISO 14755 entry support
1166 unicode_t iso14755buf;
1167 void commit_iso14755 ();
1168 # if ISO_14755
1169 void iso14755_51 (unicode_t ch, rend_t r = DEFAULT_RSTYLE, int x = 0, int y = -1, int y2 = -1);
1170 void iso14755_54 (int x, int y);
1171 # endif
1172 #endif
1173
1174 long vt_emask, vt_emask_perl, vt_emask_xim, vt_emask_mouse;
1175
1176 void vt_select_input () const NOTHROW
1177 {
1178 XSelectInput (dpy, vt, vt_emask | vt_emask_perl | vt_emask_xim | vt_emask_mouse);
1179 }
1180
1181 #if ENABLE_PERL
1182 void rootwin_cb (XEvent &xev);
1183 xevent_watcher rootwin_ev;
1184 #endif
1185
1186 void x_cb (XEvent &xev);
1187 xevent_watcher termwin_ev;
1188 xevent_watcher vt_ev;
1189 xevent_watcher scrollbar_ev;
1190
1191 void child_cb (ev::child &w, int revents); ev::child child_ev;
1192 void destroy_cb (ev::idle &w, int revents); ev::idle destroy_ev;
1193 void refresh_check ();
1194 void flush ();
1195 void flush_cb (ev::timer &w, int revents); ev::timer flush_ev;
1196 void cmdbuf_reify ();
1197 void cmdbuf_append (const char *str, size_t count);
1198 bool pty_fill ();
1199 void pty_cb (ev::io &w, int revents); ev::io pty_ev;
1200
1201 #ifdef CURSOR_BLINK
1202 void cursor_blink_reset ();
1203 void cursor_blink_cb (ev::timer &w, int revents); ev::timer cursor_blink_ev;
1204 #endif
1205 #ifdef TEXT_BLINK
1206 void text_blink_cb (ev::timer &w, int revents); ev::timer text_blink_ev;
1207 #endif
1208 #ifndef NO_BELL
1209 void bell_cb (ev::timer &w, int revents); ev::timer bell_ev;
1210 #endif
1211
1212 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1213 void cont_scroll_cb (ev::timer &w, int revents); ev::timer cont_scroll_ev;
1214 #endif
1215 #ifdef SELECTION_SCROLLING
1216 void sel_scroll_cb (ev::timer &w, int revents); ev::timer sel_scroll_ev;
1217 #endif
1218 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1219 void slip_wheel_cb (ev::timer &w, int revents); ev::timer slip_wheel_ev;
1220 #endif
1221
1222 #ifdef POINTER_BLANK
1223 void pointer_cb (ev::timer &w, int revents); ev::timer pointer_ev;
1224 void pointer_blank ();
1225 #endif
1226 void pointer_unblank ();
1227
1228 void tt_printf (const char *fmt,...);
1229 void tt_write_ (const char *data, unsigned int len);
1230 void tt_write (const char *data, unsigned int len);
1231 void tt_write_user_input (const char *data, unsigned int len);
1232 void pty_write ();
1233
1234 void make_current () const // make this the "currently active" urxvt instance
1235 {
1236 SET_R (this);
1237 set_environ (env);
1238 rxvt_set_locale (locale);
1239 }
1240
1241 #if USE_XIM
1242 rxvt_xim *input_method;
1243 XIC Input_Context;
1244 XIMStyle input_style;
1245 XPoint spot; // most recently sent spot position
1246
1247 void im_destroy ();
1248 void im_cb (); im_watcher im_ev;
1249 void im_set_size (XRectangle &size);
1250 void im_set_position (XPoint &pos) NOTHROW;
1251 void im_set_color (unsigned long &fg, unsigned long &bg);
1252 void im_set_preedit_area (XRectangle &preedit_rect, XRectangle &status_rect, const XRectangle &needed_rect);
1253
1254 bool im_is_running ();
1255 void im_send_spot ();
1256 bool im_get_ic (const char *modifiers);
1257 void im_set_position ();
1258 #endif
1259
1260 // command.C
1261 void key_press (XKeyEvent &ev);
1262 void key_release (XKeyEvent &ev);
1263
1264 wchar_t next_char () NOTHROW;
1265 wchar_t cmd_getc () THROW ((class out_of_input));
1266 uint32_t next_octet () NOTHROW;
1267 uint32_t cmd_get8 () THROW ((class out_of_input));
1268
1269 void cmd_parse ();
1270 void mouse_report (XButtonEvent &ev);
1271 void button_press (XButtonEvent &ev);
1272 void button_release (XButtonEvent &ev);
1273 void focus_in ();
1274 void focus_out ();
1275 #if ENABLE_FRILLS
1276 void set_urgency (bool enable);
1277 #else
1278 void set_urgency (bool enable) { }
1279 #endif
1280 void update_fade_color (unsigned int idx, bool first_time = false);
1281 #ifdef PRINTPIPE
1282 FILE *popen_printer ();
1283 int pclose_printer (FILE *stream);
1284 #endif
1285 void process_print_pipe ();
1286 void process_nonprinting (unicode_t ch);
1287 void process_escape_vt52 (unicode_t ch);
1288 void process_escape_seq ();
1289 void process_csi_seq ();
1290 void process_window_ops (const int *args, unsigned int nargs);
1291 char *get_to_st (unicode_t &ends_how);
1292 void process_dcs_seq ();
1293 void process_osc_seq ();
1294 void process_color_seq (int report, int color, const char *str, char resp);
1295 void process_xterm_seq (int op, char *str, char resp);
1296 unsigned int map_rgb24_color (unsigned int r, unsigned int g, unsigned int b, unsigned int a);
1297 int privcases (int mode, unsigned long bit);
1298 void process_terminal_mode (int mode, int priv, unsigned int nargs, const int *arg);
1299 void process_sgr_mode (unsigned int nargs, const int *arg);
1300 void set_cursor_style (int style);
1301 // init.C
1302 void init (stringvec *argv, stringvec *envv);
1303 void init (int argc, const char *const *argv, const char *const *envv);
1304 void init2 (int argc, const char *const *argv);
1305 void init_vars ();
1306 const char **init_resources (int argc, const char *const *argv);
1307 void init_env ();
1308 void set_locale (const char *locale);
1309 void init_xlocale ();
1310 void init_command (const char *const *argv);
1311 void run_command (const char *const *argv);
1312 int run_child (const char *const *argv);
1313 void color_aliases (int idx);
1314 void create_windows (int argc, const char *const *argv);
1315 void get_colors ();
1316 void get_ourmods ();
1317 void set_icon (const char *file);
1318 // main.C
1319 void tt_winch ();
1320 rxvt_term ();
1321 ~rxvt_term ();
1322 void destroy ();
1323 void emergency_cleanup ();
1324 void recolor_cursor ();
1325 void resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent);
1326 void window_calc (unsigned int newwidth, unsigned int newheight);
1327 bool set_fonts ();
1328 void set_string_property (Atom prop, const char *str, int len = -1);
1329 void set_mbstring_property (Atom prop, const char *str, int len = -1);
1330 void set_utf8_property (Atom prop, const char *str, int len = -1);
1331 void set_title (const char *str);
1332 void set_icon_name (const char *str);
1333 void set_window_color (int idx, const char *color);
1334 char *get_colorfgbg ();
1335 bool set_color (rxvt_color &color, const char *name);
1336 void alias_color (int dst, int src);
1337 void set_widthheight (unsigned int newwidth, unsigned int newheight);
1338 void get_window_origin (int &x, int &y);
1339
1340 // screen.C
1341
1342 bool option (uint8_t opt) const NOTHROW
1343 {
1344 return options[opt >> 3] & (1 << (opt & 7));
1345 }
1346
1347 void set_option (uint8_t opt, bool set = true) NOTHROW;
1348
1349 int fgcolor_of (rend_t r) const NOTHROW
1350 {
1351 int base = GET_BASEFG (r);
1352 #ifndef NO_BRIGHTCOLOR
1353 if (r & RS_Bold
1354 # if ENABLE_STYLES
1355 && option (Opt_intensityStyles)
1356 # endif
1357 && IN_RANGE_EXC (base, minCOLOR, minBrightCOLOR))
1358 base += minBrightCOLOR - minCOLOR;
1359 #endif
1360 return base;
1361 }
1362
1363 int bgcolor_of (rend_t r) const NOTHROW
1364 {
1365 int base = GET_BASEBG (r);
1366 #ifndef NO_BRIGHTCOLOR
1367 if (r & RS_Blink
1368 # if ENABLE_STYLES
1369 && option (Opt_intensityStyles)
1370 # endif
1371 && IN_RANGE_EXC (base, minCOLOR, minBrightCOLOR))
1372 base += minBrightCOLOR - minCOLOR;
1373 #endif
1374 return base;
1375 }
1376
1377 // modifies first argument(!)
1378 void tt_paste (char *data, unsigned int len) NOTHROW;
1379 void paste (char *data, unsigned int len) NOTHROW;
1380 void scr_alloc () NOTHROW;
1381 void scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const NOTHROW;
1382 void scr_blank_screen_mem (line_t &l, rend_t efs) const NOTHROW;
1383 void scr_kill_char (line_t &l, int col) const NOTHROW;
1384 void scr_set_char_rend (line_t &l, int col, rend_t rend);
1385 int scr_scroll_text (int row1, int row2, int count) NOTHROW;
1386 void copy_line (line_t &dst, line_t &src);
1387 void scr_reset ();
1388 void scr_release () NOTHROW;
1389 void scr_clear (bool really = false) NOTHROW;
1390 void scr_refresh () NOTHROW;
1391 bool scr_refresh_rend (rend_t mask, rend_t value) NOTHROW;
1392 void scr_erase_screen (int mode) NOTHROW;
1393 #if ENABLE_FRILLS
1394 void scr_erase_savelines () NOTHROW;
1395 void scr_backindex () NOTHROW;
1396 void scr_forwardindex () NOTHROW;
1397 #endif
1398 void scr_touch (bool refresh) NOTHROW;
1399 void scr_expose (int x, int y, int width, int height, bool refresh) NOTHROW;
1400 void scr_recolor (bool refresh = true) NOTHROW;
1401 void scr_remap_chars () NOTHROW;
1402 void scr_remap_chars (line_t &l) NOTHROW;
1403
1404 enum cursor_mode { SAVE, RESTORE };
1405
1406 void scr_poweron ();
1407 void scr_soft_reset () NOTHROW;
1408 void scr_cursor (cursor_mode mode) NOTHROW;
1409 void scr_do_wrap () NOTHROW;
1410 void scr_swap_screen () NOTHROW;
1411 void scr_change_screen (int scrn);
1412 void scr_color (unsigned int color, int fgbg) NOTHROW;
1413 void scr_rendition (int set, int style) NOTHROW;
1414 void scr_add_lines (const wchar_t *str, int len, int minlines = 0) NOTHROW;
1415 void scr_backspace () NOTHROW;
1416 void scr_tab (int count, bool ht = false) NOTHROW;
1417 void scr_gotorc (int row, int col, int relative) NOTHROW;
1418 void scr_index (enum page_dirn direction) NOTHROW;
1419 void scr_erase_line (int mode) NOTHROW;
1420 void scr_E () NOTHROW;
1421 void scr_insdel_lines (int count, int insdel) NOTHROW;
1422 void scr_insdel_chars (int count, int insdel) NOTHROW;
1423 void scr_scroll_region (int top, int bot) NOTHROW;
1424 void scr_cursor_visible (int mode) NOTHROW;
1425 void scr_autowrap (int mode) NOTHROW;
1426 void scr_relative_origin (int mode) NOTHROW;
1427 void scr_insert_mode (int mode) NOTHROW;
1428 void scr_set_tab (int mode) NOTHROW;
1429 void scr_rvideo_mode (bool on) NOTHROW;
1430 void scr_report_position () NOTHROW;
1431 void set_font_style () NOTHROW;
1432 void scr_charset_choose (int set) NOTHROW;
1433 void scr_charset_set (int set, unsigned int ch) NOTHROW;
1434 void scr_move_to (int y, int len) NOTHROW;
1435 bool scr_page (int nlines) NOTHROW;
1436 bool scr_page (enum page_dirn direction, int nlines) NOTHROW
1437 {
1438 return scr_page (direction * nlines);
1439 }
1440 bool scr_changeview (int new_view_start) NOTHROW;
1441 void scr_bell () NOTHROW;
1442 void scr_printscreen (int fullhist) NOTHROW;
1443 void scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) NOTHROW;
1444 void scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) NOTHROW;
1445 void scr_reverse_selection () NOTHROW;
1446 void scr_dump (int fd) NOTHROW;
1447
1448 void selection_check (int check_more) NOTHROW;
1449 void selection_changed () NOTHROW; /* sets want_refresh, corrects coordinates */
1450 void selection_request (Time tm, int selnum = Sel_Primary) NOTHROW;
1451 void selection_clear (bool clipboard = false) NOTHROW;
1452 void selection_make (Time tm);
1453 bool selection_grab (Time tm, bool clipboard = false) NOTHROW;
1454 void selection_start_colrow (int col, int row) NOTHROW;
1455 void selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW;
1456 void selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW;
1457 void selection_remove_trailing_spaces () NOTHROW;
1458 void selection_send (const XSelectionRequestEvent &rq) NOTHROW;
1459 void selection_click (int clicks, int x, int y) NOTHROW;
1460 void selection_extend (int x, int y, int flag) NOTHROW;
1461 void selection_rotate (int x, int y) NOTHROW;
1462
1463 // xdefaults.C
1464 void rxvt_usage (int type);
1465 const char **get_options (int argc, const char *const *argv);
1466 int parse_keysym (const char *str, unsigned int &state);
1467 int bind_action (const char *str, const char *arg);
1468 const char *x_resource (const char *name);
1469 void extract_resources ();
1470 void enumerate_resources (void (*cb)(rxvt_term *, const char *, const char *), const char *name_p = 0, const char *class_p = 0);
1471 void enumerate_keysym_resources (void (*cb)(rxvt_term *, const char *, const char *))
1472 {
1473 enumerate_resources (cb, "keysym", "Keysym");
1474 }
1475 void extract_keysym_resources ();
1476 };
1477
1478 #endif /* _RXVT_H_ */
1479