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/cvs/rxvt-unicode/src/rxvt.h
Revision: 1.487
Committed: Mon May 28 14:25:16 2012 UTC (11 years, 11 months ago) by root
Content type: text/plain
Branch: MAIN
Changes since 1.486: +16 -30 lines
Log Message:
use one big chunk for all line_t's and rend/text data, get rid fo salloc

File Contents

# Content
1 #ifndef RXVT_H_ /* include once only */
2 #define RXVT_H_
3
4 #include <stdio.h>
5 #include <ctype.h>
6 #include <errno.h>
7 #include <stdarg.h>
8 #include <stdlib.h>
9 #ifdef HAVE_STDINT_H
10 #include <stdint.h>
11 #endif
12 #include <sys/types.h>
13 #include <unistd.h>
14 #include <string.h>
15 #include <assert.h>
16 #ifdef HAVE_SYS_IOCTL_H
17 #include <sys/ioctl.h>
18 #endif
19 #ifdef HAVE_SYS_STRREDIR_H
20 #include <sys/strredir.h>
21 #endif
22
23 #if HAVE_WCHAR_H
24 # include <wchar.h>
25 #else
26 // stdlib.h might provide it
27 #endif
28
29 // we assume that Xlib.h defines XPointer, and it does since at least 1994...
30
31 extern "C" {
32 #include <X11/Xlib.h>
33 #include <X11/Xutil.h>
34 #include <X11/Xresource.h>
35 }
36
37 #if UNICODE_3
38 typedef uint32_t text_t;
39 #else
40 typedef uint16_t text_t; // saves lots of memory
41 #endif
42 typedef uint32_t rend_t;
43 typedef int32_t tlen_t; // was int16_t, but this results in smaller code and memory use
44 typedef int32_t tlen_t_; // specifically for use in the line_t structure
45
46 #include "feature.h"
47
48 #if defined (ISO_14755) || defined (ENABLE_PERL)
49 # define ENABLE_OVERLAY 1
50 #endif
51
52 #if ENABLE_PERL
53 # define ENABLE_FRILLS 1
54 # define ENABLE_COMBINING 1
55 #endif
56
57 #if ENABLE_FRILLS
58 # define ENABLE_XEMBED 1
59 # define ENABLE_EWMH 1
60 # define ENABLE_XIM_ONTHESPOT 1
61 # define CURSOR_BLINK 1
62 # define OPTION_HC 1
63 # define BUILTIN_GLYPHS 1
64 #else
65 # define ENABLE_MINIMAL 1
66 #endif
67
68 #include <limits.h>
69
70 #include <X11/cursorfont.h>
71 #include <X11/keysym.h>
72 #include <X11/keysymdef.h>
73 #include <X11/Xatom.h>
74
75 #ifdef HAVE_PIXBUF
76 # include <gdk-pixbuf/gdk-pixbuf.h>
77 #endif
78
79 #if defined(BG_IMAGE_FROM_FILE) || defined(ENABLE_TRANSPARENCY)
80 # define HAVE_BG_PIXMAP 1
81 #endif
82
83 #include <ecb.h>
84 #include "encoding.h"
85 #include "rxvtutil.h"
86 #include "rxvtfont.h"
87 #include "rxvttoolkit.h"
88 #include "scrollbar.h"
89 #include "ev_cpp.h"
90 #include "salloc.h"
91 #include "libptytty.h"
92
93 #include "rxvtperl.h"
94
95 // try to avoid some macros to decrease code size, on some systems
96 #if ENABLE_MINIMAL
97 # define strcmp(a,b) (strcmp)(a,b)
98 # define strlen(a) (strlen)(a)
99 # define strcpy(a,b) (strcpy)(a,b)
100 # define memset(a,c,l) (memset)(a,c,l)
101 # define memcpy(a,b,l) (memcpy)(a,b,l)
102 #endif
103
104 /*
105 *****************************************************************************
106 * SYSTEM HACKS
107 *****************************************************************************
108 */
109
110 #include <termios.h>
111
112 #ifndef STDIN_FILENO
113 # define STDIN_FILENO 0
114 # define STDOUT_FILENO 1
115 # define STDERR_FILENO 2
116 #endif
117
118 #ifndef EXIT_SUCCESS /* missing from <stdlib.h> */
119 # define EXIT_SUCCESS 0 /* exit function success */
120 # define EXIT_FAILURE 1 /* exit function failure */
121 #endif
122
123 /****************************************************************************/
124
125 // exception thrown on fatal (per-instance) errors
126 class rxvt_failure_exception { };
127
128 // exception thrown when the command parser runs out of input data
129 class out_of_input { };
130
131 /*
132 *****************************************************************************
133 * PROTOTYPES
134 *****************************************************************************
135 */
136 // main.C
137 #define SET_LOCALE(locale) rxvt_set_locale (locale)
138 extern bool rxvt_set_locale (const char *locale) NOTHROW;
139 extern void rxvt_push_locale (const char *locale) NOTHROW;
140 extern void rxvt_pop_locale () NOTHROW;
141 void rxvt_init ();
142
143 // misc.C
144 char * rxvt_wcstombs (const wchar_t *str, int len = -1);
145 wchar_t * rxvt_mbstowcs (const char *str, int len = -1);
146 char * rxvt_wcstoutf8 (const wchar_t *str, int len = -1);
147 wchar_t * rxvt_utf8towcs (const char *str, int len = -1);
148
149 const char * rxvt_basename (const char *str) NOTHROW;
150 void rxvt_vlog (const char *fmt, va_list arg_ptr) NOTHROW;
151 void rxvt_log (const char *fmt,...) NOTHROW;
152 void rxvt_warn (const char *fmt,...) NOTHROW;
153 void rxvt_fatal (const char *fmt, ...) THROW ((class rxvt_failure_exception)) ecb_noreturn;
154 void rxvt_exit_failure () THROW ((class rxvt_failure_exception)) ecb_noreturn;
155
156 char * rxvt_strtrim (char *str) NOTHROW;
157 char ** rxvt_strsplit (char delim, const char *str) NOTHROW;
158
159 static inline void
160 rxvt_free_strsplit (char **ptr) NOTHROW
161 {
162 free (ptr[0]);
163 free (ptr);
164 }
165
166 void * rxvt_malloc (size_t size);
167 void * rxvt_calloc (size_t number, size_t size);
168 void * rxvt_realloc (void *ptr, size_t size);
169
170 /////////////////////////////////////////////////////////////////////////////
171
172 // temporarily replace the process environment
173 extern char **environ;
174 extern char **rxvt_environ; // the original environ pointer
175
176 static inline void
177 set_environ (stringvec *envv)
178 {
179 #if ENABLE_PERL
180 assert (envv);
181 #else
182 if (envv)
183 #endif
184 environ = (char **)envv->begin ();
185 }
186
187 static inline void
188 set_environ (char **envv)
189 {
190 #if ENABLE_PERL
191 assert (envv);
192 #else
193 if (envv)
194 #endif
195 environ = envv;
196 }
197
198 struct localise_env
199 {
200 char **orig_env;
201
202 localise_env (char **new_env)
203 {
204 orig_env = environ;
205 environ = new_env;
206 }
207
208 ~localise_env ()
209 {
210 environ = orig_env;
211 }
212 };
213
214 #ifdef HAVE_BG_PIXMAP
215 # ifdef BG_IMAGE_FROM_FILE
216 enum {
217 IM_IS_SET = 1 << 0,
218 IM_IS_SIZE_SENSITIVE = 1 << 1,
219 IM_KEEP_ASPECT = 1 << 2,
220 IM_ROOT_ALIGN = 1 << 3,
221 IM_TILE = 1 << 4,
222 IM_GEOMETRY_FLAGS = IM_KEEP_ASPECT | IM_ROOT_ALIGN | IM_TILE,
223 };
224
225 enum {
226 noScale = 0,
227 windowScale = 100,
228 defaultScale = windowScale,
229 centerAlign = 50,
230 defaultAlign = centerAlign,
231 };
232
233 struct rxvt_image
234 {
235 unsigned short alpha;
236 uint8_t flags;
237 unsigned int h_scale, v_scale; /* percents of the window size */
238 int h_align, v_align; /* percents of the window size:
239 0 - left align, 50 - center, 100 - right */
240
241 # ifdef HAVE_PIXBUF
242 GdkPixbuf *pixbuf;
243
244 void destroy ()
245 {
246 if (pixbuf)
247 g_object_unref (pixbuf);
248 }
249
250 int width ()
251 {
252 return gdk_pixbuf_get_width (pixbuf);
253 }
254 int height ()
255 {
256 return gdk_pixbuf_get_height (pixbuf);
257 }
258 # endif
259
260 rxvt_image ();
261 bool set_file_geometry (const char *file);
262 bool set_file (const char *file);
263 bool set_geometry (const char *geom, bool update = false);
264 };
265 # endif
266 #endif
267
268 /*
269 *****************************************************************************
270 * STRUCTURES AND TYPEDEFS
271 *****************************************************************************
272 */
273
274 /*
275 * the 'essential' information for reporting Mouse Events
276 * pared down from XButtonEvent
277 */
278 struct mouse_event
279 {
280 int clicks;
281 Time time; /* milliseconds */
282 unsigned int state; /* key or button mask */
283 unsigned int button; /* detail */
284 };
285
286 #if ENABLE_XEMBED
287 // XEMBED messages
288 # define XEMBED_EMBEDDED_NOTIFY 0
289 # define XEMBED_WINDOW_ACTIVATE 1
290 # define XEMBED_WINDOW_DEACTIVATE 2
291 # define XEMBED_REQUEST_FOCUS 3
292 # define XEMBED_FOCUS_IN 4
293 # define XEMBED_FOCUS_OUT 5
294 # define XEMBED_FOCUS_NEXT 6
295 # define XEMBED_FOCUS_PREV 7
296
297 # define XEMBED_MODALITY_ON 10
298 # define XEMBED_MODALITY_OFF 11
299 # define XEMBED_REGISTER_ACCELERATOR 12
300 # define XEMBED_UNREGISTER_ACCELERATOR 13
301 # define XEMBED_ACTIVATE_ACCELERATOR 14
302
303 // XEMBED detail code
304 # define XEMBED_FOCUS_CURRENT 0
305 # define XEMBED_FOCUS_FIRST 1
306 # define XEMBED_FOCUS_LAST 2
307
308 # define XEMBED_MAPPED (1 << 0)
309 #endif
310
311 /*
312 *****************************************************************************
313 * NORMAL DEFINES
314 *****************************************************************************
315 */
316
317 /* COLORTERM, TERM environment variables */
318 #define COLORTERMENV "rxvt"
319 #ifdef BG_IMAGE_FROM_FILE
320 # define COLORTERMENVFULL COLORTERMENV "-xpm"
321 #else
322 # define COLORTERMENVFULL COLORTERMENV
323 #endif
324 #ifndef TERMENV
325 # if USE_256_COLORS
326 # define TERMENV "rxvt-unicode-256color"
327 # else
328 # define TERMENV "rxvt-unicode"
329 # endif
330 #endif
331
332 #if defined (NO_MOUSE_REPORT) && !defined (NO_MOUSE_REPORT_SCROLLBAR)
333 # define NO_MOUSE_REPORT_SCROLLBAR 1
334 #endif
335
336 #define scrollBar_esc 30
337
338 #if !defined (RXVT_SCROLLBAR) && !defined (NEXT_SCROLLBAR)
339 # define NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING 1
340 #endif
341
342 enum {
343 NO_REFRESH = 0, /* Window not visible at all! */
344 FAST_REFRESH = 1, /* Fully exposed window */
345 SLOW_REFRESH = 2, /* Partially exposed window */
346 };
347
348 #ifdef NO_SECONDARY_SCREEN
349 # define NSCREENS 0
350 #else
351 # define NSCREENS 1
352 #endif
353
354 /* flags for rxvt_term::scr_gotorc () */
355 enum {
356 C_RELATIVE = 1, /* col movement is relative */
357 R_RELATIVE = 2, /* row movement is relative */
358 RELATIVE = C_RELATIVE | R_RELATIVE,
359 };
360
361 /* modes for rxvt_term::scr_insdel_chars (), rxvt_term::scr_insdel_lines () */
362 enum {
363 INSERT = -1, /* don't change these values */
364 DELETE = +1,
365 ERASE = +2,
366 };
367
368 /* modes for rxvt_term::scr_page () - scroll page. used by scrollbar window */
369 enum page_dirn {
370 UP,
371 DN,
372 NO_DIR,
373 };
374
375 /* arguments for rxvt_term::scr_change_screen () */
376 enum {
377 PRIMARY = 0,
378 SECONDARY,
379 };
380
381 // define various rendition bits and masks. the rendition word
382 // is 32 bits in size, and we should use it as efficiently as possible
383
384 #define RS_None 0
385
386 // GET_BGATTR depends on RS_fgShift > RS_bgShift
387 #define RS_colorMask ((1UL << Color_Bits) - 1UL)
388 #define RS_bgShift 0
389 #define RS_fgShift (RS_bgShift + Color_Bits)
390 #define RS_bgMask (RS_colorMask << RS_bgShift)
391 #define RS_fgMask (RS_colorMask << RS_fgShift)
392
393 // must have space for rxvt_fontset::fontCount * 2 + 2 values
394 #define RS_fontShift (RS_fgShift + Color_Bits)
395 #define RS_Careful (1UL << RS_fontShift) /* be careful when drawing these */
396 #define RS_fontCount rxvt_fontset::fontCount
397 #define RS_fontMask ((RS_fontCount << (RS_fontShift + 1)) | RS_Careful) // includes RS_Careful
398
399 // toggle this to force redraw, must be != RS_Careful and otherwise "pretty neutral"
400 #define RS_redraw (2UL << RS_fontShift)
401
402 #define RS_Sel (1UL << 22)
403
404 // 4 custom bits for extensions
405 #define RS_customCount 16UL
406 #define RS_customShift 23
407 #define RS_customMask ((RS_customCount - 1UL) << RS_customShift)
408
409 // font styles
410 #define RS_Bold (1UL << RS_styleShift)
411 #define RS_Italic (2UL << RS_styleShift)
412
413 #define RS_styleCount 4
414 #define RS_styleShift 27
415 #define RS_styleMask (RS_Bold | RS_Italic)
416
417 // fake styles
418 #define RS_Blink (1UL << 29)
419 #define RS_RVid (1UL << 30) // reverse video
420 #define RS_Uline (1UL << 31) // underline
421
422 #define RS_baseattrMask (RS_Italic | RS_Bold | RS_Blink | RS_RVid | RS_Uline)
423 #define RS_attrMask (RS_baseattrMask | RS_fontMask)
424
425 #define DEFAULT_RSTYLE (RS_None | (Color_fg << RS_fgShift) | (Color_bg << RS_bgShift))
426 #define OVERLAY_RSTYLE (RS_None | (Color_Black << RS_fgShift) | (Color_Yellow << RS_bgShift))
427
428 enum {
429 C0_NUL = 0x00,
430 C0_SOH, C0_STX, C0_ETX, C0_EOT, C0_ENQ, C0_ACK, C0_BEL,
431 C0_BS , C0_HT , C0_LF , C0_VT , C0_FF , C0_CR , C0_SO , C0_SI ,
432 C0_DLE, C0_DC1, C0_DC2, D0_DC3, C0_DC4, C0_NAK, C0_SYN, C0_ETB,
433 C0_CAN, C0_EM , C0_SUB, C0_ESC, C0_IS4, C0_IS3, C0_IS2, C0_IS1,
434 };
435 #define CHAR_ST 0x9c /* 0234 */
436
437 /*
438 * XTerm Operating System Commands: ESC ] Ps;Pt (ST|BEL)
439 * colour extensions by Christian W. Zuckschwerdt <zany@triq.net>
440 */
441 enum {
442 XTerm_name = 0,
443 XTerm_iconName = 1,
444 XTerm_title = 2,
445 XTerm_property = 3, // change X property
446 XTerm_Color = 4, // change colors
447 XTerm_Color00 = 10, // change fg color
448 XTerm_Color01 = 11, // change bg color
449 XTerm_Color_cursor = 12, // change actual 'Cursor' color
450 XTerm_Color_pointer_fg = 13, // change actual 'Pointer' fg color
451 XTerm_Color_pointer_bg = 14, // change actual 'Pointer' bg color
452 XTerm_Color05 = 15, // not implemented (tektronix fg)
453 XTerm_Color06 = 16, // not implemented (tektronix bg)
454 XTerm_Color_HC = 17, // change actual 'Highlight' bg color
455 XTerm_Color_HTC = 19, // change actual 'Highlight' fg color
456 XTerm_logfile = 46, // not implemented
457 XTerm_font = 50,
458
459 XTerm_konsole30 = 30, // reserved for konsole
460 XTerm_konsole31 = 31, // reserved for konsole
461 XTerm_emacs51 = 51, // reserved for emacs shell
462 /*
463 * rxvt extensions of XTerm OSCs: ESC ] Ps;Pt (ST|BEL)
464 */
465
466 // deprecated
467 Rxvt_restoreFG = 39,
468 Rxvt_restoreBG = 49,
469
470 Rxvt_Pixmap = 20, // new bg pixmap
471 Rxvt_dumpscreen = 55, // dump scrollback and all of screen
472
473 URxvt_locale = 701, // change locale
474 URxvt_version = 702, // request version
475
476 URxvt_Color_IT = 704, // change actual 'Italic' colour
477 URxvt_Color_tint = 705, // change actual tint colour
478 URxvt_Color_BD = 706, // change actual 'Bold' color
479 URxvt_Color_UL = 707, // change actual 'Underline' color
480 URxvt_Color_border = 708,
481
482 URxvt_font = 710,
483 URxvt_boldFont = 711,
484 URxvt_italicFont = 712,
485 URxvt_boldItalicFont = 713,
486
487 URxvt_view_up = 720,
488 URxvt_view_down = 721,
489
490 URxvt_perl = 777, // for use by perl extensions, starts with "extension-name;"
491 };
492
493 /* Words starting with `Color_' are colours. Others are counts */
494 /*
495 * The PixColor and rendition colour usage should probably be decoupled
496 * on the unnecessary items, e.g. Color_pointer, but won't bother
497 * until we need to. Also, be aware of usage in pixcolor_set
498 */
499
500 enum colour_list {
501 Color_none = -2,
502 Color_transparent = -1,
503 Color_fg = 0,
504 Color_bg,
505 minCOLOR, /* 2 */
506 Color_Black = minCOLOR,
507 Color_Red3,
508 Color_Green3,
509 Color_Yellow3,
510 Color_Blue3,
511 Color_Magenta3,
512 Color_Cyan3,
513 maxCOLOR, /* minCOLOR + 7 */
514 #ifndef NO_BRIGHTCOLOR
515 Color_AntiqueWhite = maxCOLOR,
516 minBrightCOLOR, /* maxCOLOR + 1 */
517 Color_Grey25 = minBrightCOLOR,
518 Color_Red,
519 Color_Green,
520 Color_Yellow,
521 Color_Blue,
522 Color_Magenta,
523 Color_Cyan,
524 maxBrightCOLOR, /* minBrightCOLOR + 7 */
525 Color_White = maxBrightCOLOR,
526 #else
527 Color_White = maxCOLOR,
528 #endif
529 minTermCOLOR = Color_White + 1,
530 #if USE_256_COLORS
531 maxTermCOLOR = Color_White + 240,
532 #else
533 maxTermCOLOR = Color_White + 72,
534 #endif
535 #ifndef NO_CURSORCOLOR
536 Color_cursor,
537 Color_cursor2,
538 #endif
539 Color_pointer_fg,
540 Color_pointer_bg,
541 Color_border,
542 #ifndef NO_BOLD_UNDERLINE_REVERSE
543 Color_BD,
544 Color_IT,
545 Color_UL,
546 Color_RV,
547 #endif
548 #if ENABLE_FRILLS
549 Color_underline,
550 #endif
551 #ifdef OPTION_HC
552 Color_HC,
553 Color_HTC,
554 #endif
555 Color_scroll,
556 #ifdef RXVT_SCROLLBAR
557 Color_trough,
558 #endif
559 #if ENABLE_TRANSPARENCY
560 Color_tint,
561 #endif
562 #if OFF_FOCUS_FADING
563 Color_fade,
564 #endif
565 NRS_COLORS, /* */
566 #ifdef RXVT_SCROLLBAR
567 Color_topShadow = NRS_COLORS,
568 Color_bottomShadow,
569 TOTAL_COLORS
570 #else
571 TOTAL_COLORS = NRS_COLORS
572 #endif
573 };
574
575 #if USE_256_COLORS
576 # define Color_Bits 9 // 0 .. maxTermCOLOR
577 #else
578 # define Color_Bits 7 // 0 .. maxTermCOLOR
579 #endif
580
581 /*
582 * Resource list
583 */
584 enum {
585 # define def(name) Rs_ ## name,
586 # define reserve(name,count) Rs_ ## name ## _ = Rs_ ## name + (count) - 1,
587 # include "rsinc.h"
588 # undef def
589 # undef reserve
590 NUM_RESOURCES
591 };
592
593 /* DEC private modes */
594 #define PrivMode_132 (1UL<<0)
595 #define PrivMode_132OK (1UL<<1)
596 #define PrivMode_rVideo (1UL<<2)
597 #define PrivMode_relOrigin (1UL<<3)
598 #define PrivMode_Screen (1UL<<4)
599 #define PrivMode_Autowrap (1UL<<5)
600 #define PrivMode_aplCUR (1UL<<6)
601 #define PrivMode_aplKP (1UL<<7)
602 #define PrivMode_HaveBackSpace (1UL<<8)
603 #define PrivMode_BackSpace (1UL<<9)
604 #define PrivMode_ShiftKeys (1UL<<10)
605 #define PrivMode_VisibleCursor (1UL<<11)
606 #define PrivMode_MouseX10 (1UL<<12)
607 #define PrivMode_MouseX11 (1UL<<13)
608 #define PrivMode_scrollBar (1UL<<14)
609 #define PrivMode_TtyOutputInh (1UL<<15)
610 #define PrivMode_Keypress (1UL<<16)
611 #define PrivMode_smoothScroll (1UL<<17)
612 #define PrivMode_vt52 (1UL<<18)
613 #define PrivMode_LFNL (1UL<<19)
614 #define PrivMode_MouseBtnEvent (1UL<<20)
615 #define PrivMode_MouseAnyEvent (1UL<<21)
616 #define PrivMode_BracketPaste (1UL<<22)
617 #define PrivMode_ExtModeMouse (1UL<<23) // xterm pseudo-utf-8 hack
618 #define PrivMode_ExtMouseRight (1UL<<24) // xterm pseudo-utf-8, but works in non-utf-8-locales
619
620 #define PrivMode_mouse_report (PrivMode_MouseX10|PrivMode_MouseX11|PrivMode_MouseBtnEvent|PrivMode_MouseAnyEvent)
621
622 #ifdef ALLOW_132_MODE
623 # define PrivMode_Default (PrivMode_Autowrap|PrivMode_ShiftKeys|PrivMode_VisibleCursor|PrivMode_132OK)
624 #else
625 # define PrivMode_Default (PrivMode_Autowrap|PrivMode_ShiftKeys|PrivMode_VisibleCursor)
626 #endif
627
628 // do not change these constants lightly, there are many interdependencies
629 #define IMBUFSIZ 128 // input modifier buffer sizes
630 #define KBUFSZ 512 // size of keyboard mapping buffer
631 #define CBUFSIZ 2048 // size of command buffer
632 #define CBUFCNT 8 // never call pty_fill/cmd_parse more than this often in a row
633 #define UBUFSIZ 2048 // character buffer
634
635 #if ENABLE_FRILLS
636 # include <X11/Xmd.h>
637 typedef struct _mwmhints
638 {
639 CARD32 flags;
640 CARD32 functions;
641 CARD32 decorations;
642 INT32 input_mode;
643 CARD32 status;
644 } MWMHints;
645 #endif
646
647 /* Motif window hints */
648 #define MWM_HINTS_FUNCTIONS (1L << 0)
649 #define MWM_HINTS_DECORATIONS (1L << 1)
650 #define MWM_HINTS_INPUT_MODE (1L << 2)
651 #define MWM_HINTS_STATUS (1L << 3)
652 /* bit definitions for MwmHints.functions */
653 #define MWM_FUNC_ALL (1L << 0)
654 #define MWM_FUNC_RESIZE (1L << 1)
655 #define MWM_FUNC_MOVE (1L << 2)
656 #define MWM_FUNC_MINIMIZE (1L << 3)
657 #define MWM_FUNC_MAXIMIZE (1L << 4)
658 #define MWM_FUNC_CLOSE (1L << 5)
659 /* bit definitions for MwmHints.decorations */
660 #define MWM_DECOR_ALL (1L << 0)
661 #define MWM_DECOR_BORDER (1L << 1)
662 #define MWM_DECOR_RESIZEH (1L << 2)
663 #define MWM_DECOR_TITLE (1L << 3)
664 #define MWM_DECOR_MENU (1L << 4)
665 #define MWM_DECOR_MINIMIZE (1L << 5)
666 #define MWM_DECOR_MAXIMIZE (1L << 6)
667 /* bit definitions for MwmHints.inputMode */
668 #define MWM_INPUT_MODELESS 0
669 #define MWM_INPUT_PRIMARY_APPLICATION_MODAL 1
670 #define MWM_INPUT_SYSTEM_MODAL 2
671 #define MWM_INPUT_FULL_APPLICATION_MODAL 3
672 #define PROP_MWM_HINTS_ELEMENTS 5
673
674 /*
675 *****************************************************************************
676 * MACRO DEFINES
677 *****************************************************************************
678 */
679
680 // speed hack, copy some member variable into a local variable of the same name
681 #define dLocal(type,name) type const name = this->name
682
683 // for speed reasons, we assume that all codepoints 32 to 126 are
684 // single-width.
685 #define WCWIDTH(c) (IN_RANGE_INC (c, 0x20, 0x7e) ? 1 : wcwidth (c))
686
687 /* convert pixel dimensions to row/column values. Everything as int32_t */
688 #define Pixel2Col(x) Pixel2Width((int32_t)(x))
689 #define Pixel2Row(y) Pixel2Height((int32_t)(y))
690 #define Pixel2Width(x) ((int32_t)(x) / (int32_t)fwidth)
691 #define Pixel2Height(y) ((int32_t)(y) / (int32_t)fheight)
692 #define Col2Pixel(col) ((int32_t)Width2Pixel(col))
693 #define Row2Pixel(row) ((int32_t)Height2Pixel(row))
694 #define Width2Pixel(n) ((int32_t)(n) * (int32_t)fwidth)
695 #define Height2Pixel(n) ((int32_t)(n) * (int32_t)fheight)
696
697 #define LINENO_of(t,n) MOD ((t)->term_start + int(n), (t)->total_rows)
698 #define ROW_of(t,n) (t)->row_buf [LINENO_of ((t), n)]
699
700 #define LINENO(n) LINENO_of (this, n)
701 #define ROW(n) ROW_of (this, n)
702
703 /* how to build & extract colors and attributes */
704 #define GET_BASEFG(x) (((x) & RS_fgMask) >> RS_fgShift)
705 #define GET_BASEBG(x) (((x) & RS_bgMask) >> RS_bgShift)
706
707 #define GET_FONT(x) (((x) & RS_fontMask) >> RS_fontShift)
708 #define SET_FONT(x,fid) (((x) & ~RS_fontMask) | ((fid) << RS_fontShift))
709
710 #define GET_STYLE(x) (((x) & RS_styleMask) >> RS_styleShift)
711 #define SET_STYLE(x,style) (((x) & ~RS_styleMask) | ((style) << RS_styleShift))
712
713 #define GET_ATTR(x) (((x) & RS_attrMask))
714 // return attributes defining the background, encoding doesn't matter
715 // depends on RS_fgShift > RS_bgShift
716 #define GET_BGATTR(x) \
717 (ecb_unlikely ((x) & RS_RVid) \
718 ? (((x) & (RS_attrMask & ~RS_RVid)) \
719 | (((x) & RS_fgMask) >> (RS_fgShift - RS_bgShift))) \
720 : ((x) & (RS_attrMask | RS_bgMask)))
721 #define SET_FGCOLOR(x,fg) (((x) & ~RS_fgMask) | ((fg) << RS_fgShift))
722 #define SET_BGCOLOR(x,bg) (((x) & ~RS_bgMask) | ((bg) << RS_bgShift))
723 #define SET_ATTR(x,a) (((x) & ~RS_attrMask) | (a))
724
725 #define RS_SAME(a,b) (!(((a) ^ (b)) & ~RS_Careful))
726
727 #define PIXCOLOR_NAME(idx) rs[Rs_color + (idx)]
728 #define ISSET_PIXCOLOR(idx) (!!rs[Rs_color + (idx)])
729
730 #if ENABLE_STYLES
731 # define FONTSET_of(t,style) (t)->fontset[GET_STYLE (style)]
732 #else
733 # define FONTSET_of(t,style) (t)->fontset[0]
734 #endif
735
736 #define FONTSET(style) FONTSET_of (this, style)
737
738 typedef callback<void (const char *)> log_callback;
739 typedef callback<int (int)> getfd_callback;
740
741 /****************************************************************************/
742
743 #define LINE_LONGER 0x0001 // line is continued on the next row
744 #define LINE_FILTERED 0x0002 // line has been filtered
745 #define LINE_COMPRESSED 0x0004 // line has been compressed (NYI)
746 #define LINE_FILTER 0x0008 // line needs to be filtered before display (NYI)
747 #define LINE_BIDI 0x0010 // line needs bidi (NYI)
748
749 struct line_t
750 {
751 text_t *t; // terminal the text
752 rend_t *r; // rendition, uses RS_ flags
753 tlen_t_ l; // length of each text line
754 uint32_t f; // flags
755
756 bool valid ()
757 {
758 return l >= 0;
759 }
760
761 void alloc ()
762 {
763 l = 0;
764 }
765
766 bool is_longer ()
767 {
768 return f & LINE_LONGER;
769 }
770
771 void is_longer (int set)
772 {
773 if (set)
774 f |= LINE_LONGER;
775 else
776 f &= ~LINE_LONGER;
777 }
778
779 void clear ()
780 {
781 t = 0;
782 r = 0;
783 l = 0;
784 f = 0;
785 }
786
787 void touch () // call whenever a line is changed/touched/updated
788 {
789 #if ENABLE_PERL
790 f &= ~LINE_FILTERED;
791 #endif
792 }
793
794 void touch (int col)
795 {
796 max_it (l, col);
797 touch ();
798 }
799 };
800
801 /****************************************************************************/
802
803 // primitive wrapper around mbstate_t to ensure initialisation
804 struct mbstate
805 {
806 mbstate_t mbs;
807
808 operator mbstate_t *() { return &mbs; }
809 void reset () { memset (&mbs, 0, sizeof (mbs)); }
810 mbstate () { reset (); }
811 };
812
813 /****************************************************************************/
814
815 #define UNICODE_MASK 0x1fffffUL
816
817 #if UNICODE_3
818 # define COMPOSE_LO 0x40000000UL
819 # define COMPOSE_HI 0x400fffffUL
820 # define IS_COMPOSE(n) ((int32_t)(n) >= COMPOSE_LO)
821 #else
822 # if ENABLE_PERL
823 # define COMPOSE_LO 0xe000UL // our _own_ functions don't like (illegal) surrogates
824 # define COMPOSE_HI 0xf8ffUL // in utf-8, so use private use area only
825 # else
826 # define COMPOSE_LO 0xd800UL
827 # define COMPOSE_HI 0xf8ffUL
828 # endif
829 # define IS_COMPOSE(n) IN_RANGE_INC ((n), COMPOSE_LO, COMPOSE_HI)
830 #endif
831
832 #if ENABLE_COMBINING
833 // compose chars are used to represent composite characters
834 // that are not representable in unicode, as well as characters
835 // not fitting in the BMP.
836 struct compose_char
837 {
838 unicode_t c1, c2; // any chars != NOCHAR are valid
839 #if __cplusplus >= 201103L || ECB_GCC_VERSION(4,4)
840 compose_char () = default;
841 #endif
842 compose_char (unicode_t c1, unicode_t c2)
843 : c1(c1), c2(c2)
844 { }
845 };
846
847 class rxvt_composite_vec
848 {
849 vector<compose_char> v;
850 public:
851 text_t compose (unicode_t c1, unicode_t c2 = NOCHAR);
852 int expand (unicode_t c, wchar_t *r);
853 compose_char *operator [](text_t c)
854 {
855 return c >= COMPOSE_LO && c < COMPOSE_LO + v.size ()
856 ? &v[c - COMPOSE_LO]
857 : 0;
858 }
859 };
860
861 extern class rxvt_composite_vec rxvt_composite;
862 #endif
863
864 /****************************************************************************/
865
866 #ifdef KEYSYM_RESOURCE
867 class keyboard_manager;
868 #endif
869
870 typedef struct rxvt_term *rxvt_t;
871
872 extern rxvt_t rxvt_current_term;
873
874 #define SET_R(r) rxvt_current_term = const_cast<rxvt_term *>(r)
875 #define GET_R rxvt_current_term
876
877 /* ------------------------------------------------------------------------- */
878 struct overlay_base
879 {
880 int x, y, w, h; // overlay dimensions
881 text_t **text;
882 rend_t **rend;
883
884 // while tempting to add swap() etc. here, it effectively only increases code size
885 };
886
887 /* ------------------------------------------------------------------------- */
888
889 typedef struct
890 {
891 int row;
892 int col;
893 } row_col_t;
894
895 /*
896 * terminal limits:
897 *
898 * width : 1 <= width
899 * height : 1 <= height
900 * ncol : 1 <= ncol <= MAX(tlen_t)
901 * nrow : 1 <= nrow <= MAX(int)
902 * saveLines : 0 <= saveLines <= MAX(int)
903 * term_start : 0 <= term_start < saveLines
904 * total_rows : nrow + saveLines
905 *
906 * top_row : -saveLines <= top_row <= 0
907 * view_start : top_row <= view_start <= 0
908 *
909 * | most coordinates are stored relative to term_start,
910 * ROW_BUF | which is the first line of the terminal screen
911 * |························= row_buf[0]
912 * |························= row_buf[1]
913 * |························= row_buf[2] etc.
914 * |
915 * +------------+···········= term_start + top_row
916 * | scrollback |
917 * | scrollback +---------+·= term_start + view_start
918 * | scrollback | display |
919 * | scrollback | display |
920 * +------------+·display·+·= term_start
921 * | terminal | display |
922 * | terminal +---------+
923 * | terminal |
924 * | terminal |
925 * +------------+···········= term_start + nrow - 1
926 * |
927 * |
928 * END······················= total_rows
929 */
930
931 struct TermWin_t
932 {
933 int vt_width; /* actual window width [pixels] */
934 int vt_height; /* actual window height [pixels] */
935 int width; /* window width [pixels] */
936 int height; /* window height [pixels] */
937 int fwidth; /* font width [pixels] */
938 int fheight; /* font height [pixels] */
939 int fbase; /* font ascent (baseline) [pixels] */
940 int ncol; /* window columns [characters] */
941 int nrow; /* window rows [characters] */
942 int focus; /* window has focus */
943 int mapped; /* window state mapped? */
944 int int_bwidth; /* internal border width */
945 int ext_bwidth; /* external border width */
946 int lineSpace; /* number of extra pixels between rows */
947 int letterSpace; /* number of extra pixels between columns */
948 int saveLines; /* number of lines that fit in scrollback */
949 int total_rows; /* total number of rows in this terminal */
950 int term_start; /* term lines start here */
951 int view_start; /* scrollback view starts here */
952 int top_row; /* topmost row index of scrollback */
953 Window parent; /* parent identifier */
954 Window vt; /* vt100 window */
955 GC gc; /* GC for drawing */
956 rxvt_drawable *drawable;
957 rxvt_fontset *fontset[4];
958 };
959
960 /*
961 * screen accounting:
962 * screen_t elements
963 * row: Cursor row position : 0 <= row < nrow
964 * col: Cursor column position : 0 <= col < ncol
965 * tscroll: Scrolling region top row inclusive : 0 <= row < nrow
966 * bscroll: Scrolling region bottom row inclusive : 0 <= row < nrow
967 *
968 * selection_t elements
969 * clicks: 1, 2 or 3 clicks - 4 indicates a special condition of 1 where
970 * nothing is selected
971 * beg: row/column of beginning of selection : never past mark
972 * mark: row/column of initial click : never past end
973 * end: row/column of one character past end of selection
974 * * Note: top_row <= beg.row <= mark.row <= end.row < nrow
975 * * Note: col == -1 ==> we're left of screen
976 *
977 */
978 struct screen_t
979 {
980 row_col_t cur; /* cursor position on the screen */
981 int tscroll; /* top of settable scroll region */
982 int bscroll; /* bottom of settable scroll region */
983 unsigned int charset; /* character set number [0..3] */
984 unsigned int flags; /* see below */
985 row_col_t s_cur; /* saved cursor position */
986 unsigned int s_charset; /* saved character set number [0..3] */
987 char s_charset_char;
988 rend_t s_rstyle; /* saved rendition style */
989 };
990
991 enum selection_op_t
992 {
993 SELECTION_CLEAR = 0, /* nothing selected */
994 SELECTION_INIT, /* marked a point */
995 SELECTION_BEGIN, /* started a selection */
996 SELECTION_CONT, /* continued selection */
997 SELECTION_DONE /* selection put in CUT_BUFFER0 */
998 };
999
1000 struct selection_t
1001 {
1002 wchar_t *text; /* selected text */
1003 unsigned int len; /* length of selected text */
1004 unsigned int screen; /* screen being used */
1005 unsigned int clicks; /* number of clicks */
1006 selection_op_t op; /* current operation */
1007 bool rect; /* rectangular selection? */
1008 row_col_t beg; /* beginning of selection <= mark */
1009 row_col_t mark; /* point of initial click <= end */
1010 row_col_t end; /* one character past end point */
1011 wchar_t *clip_text; /* text copied to the clipboard */
1012 unsigned int clip_len; /* length of clipboard text */
1013 };
1014
1015 /* ------------------------------------------------------------------------- */
1016
1017 /* screen_t flags */
1018 #define Screen_Relative (1<<0) /* relative origin mode flag */
1019 #define Screen_VisibleCursor (1<<1) /* cursor visible? */
1020 #define Screen_Autowrap (1<<2) /* auto-wrap flag */
1021 #define Screen_Insert (1<<3) /* insert mode (vs. overstrike) */
1022 #define Screen_WrapNext (1<<4) /* need to wrap for next char? */
1023 #define Screen_DefaultFlags (Screen_VisibleCursor | Screen_Autowrap)
1024
1025 /* rxvt_vars.options */
1026 enum {
1027 # define def(name) Opt_ ## name,
1028 # define nodef(name) Opt_prev_ ## name, Opt_ ## name = 0, Opt_next_ ## name = Opt_prev_ ## name - 1,
1029 Opt_0,
1030 # include "optinc.h"
1031 # undef nodef
1032 # undef def
1033 Opt_count
1034 };
1035
1036 /* ------------------------------------------------------------------------- */
1037
1038 struct rxvt_vars : TermWin_t
1039 {
1040 scrollBar_t scrollBar;
1041 uint8_t options[(Opt_count + 7) >> 3];
1042 XSizeHints szHint;
1043 rxvt_color *pix_colors;
1044 Cursor TermWin_cursor; /* cursor for vt window */
1045
1046 line_t *row_buf; // all lines, scrollback + terminal, circular
1047 line_t *drawn_buf; // text on screen
1048 line_t *swap_buf; // lines for swap buffer
1049 char *tabs; /* per location: 1 == tab-stop */
1050 screen_t screen;
1051 screen_t swap;
1052 selection_t selection;
1053 rxvt_color pix_colors_focused[TOTAL_COLORS];
1054 #ifdef OFF_FOCUS_FADING
1055 rxvt_color pix_colors_unfocused[TOTAL_COLORS];
1056 #endif
1057 };
1058
1059 struct rxvt_term : zero_initialized, rxvt_vars, rxvt_screen
1060 {
1061
1062 // special markers with magic addresses
1063 static const char resval_undef []; // options specifically unset
1064 static const char resval_on []; // boolean options switched on
1065 static const char resval_off []; // or off
1066
1067 log_callback *log_hook; // log error messages through this hook, if != 0
1068 getfd_callback *getfd_hook; // convert remote to local fd, if != 0
1069 #if ENABLE_PERL
1070 rxvt_perl_term perl;
1071 #endif
1072 struct mbstate mbstate; // current input multibyte state
1073
1074 unsigned char want_refresh:1,
1075 current_screen:1, /* primary or secondary */
1076 num_scr_allow:1,
1077 bypass_keystate:1,
1078 #if ENABLE_FRILLS
1079 urgency_hint:1,
1080 #endif
1081 #if CURSOR_BLINK
1082 hidden_cursor:1,
1083 #endif
1084 #if TEXT_BLINK
1085 hidden_text:1,
1086 #endif
1087 #if POINTER_BLANK
1088 hidden_pointer:1,
1089 #endif
1090 enc_utf8:1, /* whether locale uses utf-8 */
1091 seen_input:1, /* whether we have seen some program output yet */
1092 seen_resize:1, /* whether we had a resize event */
1093 init_done:1,
1094 parsed_geometry:1;
1095
1096 unsigned char refresh_type,
1097 #ifdef META8_OPTION
1098 meta_char; /* Alt-key prefix */
1099 #endif
1100 /* ---------- */
1101 bool rvideo_state, rvideo_mode;
1102 #ifndef NO_BELL
1103 bool rvideo_bell;
1104 #endif
1105 int num_scr; /* screen: number of lines scrolled */
1106 int prev_ncol, /* screen: previous number of columns */
1107 prev_nrow; /* screen: previous number of rows */
1108 /* ---------- */
1109 rend_t rstyle;
1110 /* ---------- */
1111 #ifdef SELECTION_SCROLLING
1112 int scroll_selection_lines;
1113 enum page_dirn scroll_selection_dir;
1114 int selection_save_x,
1115 selection_save_y,
1116 selection_save_state;
1117 #endif
1118 /* ---------- */
1119 int csrO, /* Hops - csr offset in thumb/slider to */
1120 /* give proper Scroll behaviour */
1121 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1122 mouse_slip_wheel_speed,
1123 #endif
1124 refresh_count,
1125 window_vt_x,
1126 window_vt_y,
1127 mouse_row,
1128 mouse_col,
1129 # ifdef POINTER_BLANK
1130 pointerBlankDelay,
1131 # endif
1132 allowedxerror;
1133 /* ---------- */
1134 unsigned int ModLevel3Mask,
1135 ModMetaMask,
1136 ModNumLockMask;
1137 unsigned long priv_modes,
1138 SavedModes;
1139 /* ---------- */
1140 Atom *xa;
1141 /* ---------- */
1142 Time selection_time,
1143 clipboard_time;
1144 rxvt_selection *selection_req;
1145 pid_t cmd_pid; /* process id of child */
1146 /* ---------- */
1147 struct mouse_event MEvent;
1148 XComposeStatus compose;
1149 static struct termios def_tio;
1150 row_col_t oldcursor;
1151 #ifdef HAVE_BG_PIXMAP
1152 void bg_init ();
1153 void bg_destroy ();
1154
1155 enum {
1156 BG_IS_VALID = 1 << 0,
1157
1158 BG_IS_TRANSPARENT = 1 << 1,
1159 BG_NEEDS_REFRESH = 1 << 2,
1160
1161 BG_HAS_RENDER = 1 << 3,
1162 BG_HAS_RENDER_CONV = 1 << 4,
1163 BG_CLIENT_RENDER = 1 << 5,
1164
1165 BG_TINT_SET = 1 << 6,
1166 BG_TINT_BITAND = 1 << 7,
1167 };
1168
1169 uint8_t bg_flags;
1170
1171 # ifdef BG_IMAGE_FROM_FILE
1172 vector<rxvt_image> image_vec;
1173 rxvt_image *new_image ()
1174 {
1175 image_vec.resize (image_vec.size () + 1);
1176 return &image_vec.back ();
1177 }
1178 void get_image_geometry (rxvt_image &image, int &w, int &h, int &x, int &y);
1179 bool render_image (rxvt_image &image);
1180 void parse_image (int id, const char *type, const char *arg);
1181 # endif
1182
1183 # ifdef ENABLE_TRANSPARENCY
1184 Pixmap root_pixmap; /* current root pixmap set */
1185 rxvt_color tint;
1186 int shade;
1187 int h_blurRadius, v_blurRadius;
1188
1189 void bg_set_transparent ()
1190 {
1191 bg_flags |= BG_IS_TRANSPARENT;
1192 }
1193 void bg_set_root_pixmap ();
1194 bool bg_set_tint (rxvt_color &new_tint);
1195 bool bg_set_shade (const char *shade_str);
1196 bool bg_set_blur (const char *geom);
1197
1198 bool blur_pixmap (Pixmap pixmap, int width, int height);
1199 bool tint_pixmap (Pixmap pixmap, int width, int height);
1200 void tint_ximage (XImage *ximage);
1201 bool make_transparency_pixmap ();
1202 # endif
1203
1204 ev_tstamp bg_valid_since;
1205
1206 Pixmap bg_pixmap;
1207 unsigned int bg_pmap_width, bg_pmap_height;
1208
1209 int target_x;
1210 int target_y;
1211 bool bg_set_position (int x, int y);
1212 bool bg_window_size_sensitive ();
1213 bool bg_window_position_sensitive ();
1214
1215 bool bg_render ();
1216 void bg_invalidate ()
1217 {
1218 bg_flags &= ~BG_IS_VALID;
1219 }
1220 #endif
1221 #ifdef HAVE_PIXBUF
1222 bool pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
1223 int src_x, int src_y, int dst_x, int dst_y,
1224 unsigned int width, unsigned int height, bool argb);
1225 #endif
1226
1227 #if ENABLE_OVERLAY
1228 overlay_base ov;
1229
1230 void scr_swap_overlay () NOTHROW;
1231 void scr_overlay_new (int x, int y, int w, int h) NOTHROW;
1232 void scr_overlay_off () NOTHROW;
1233 void scr_overlay_set (int x, int y,
1234 text_t text,
1235 rend_t rend = OVERLAY_RSTYLE) NOTHROW;
1236 void scr_overlay_set (int x, int y, const char *s) NOTHROW;
1237 void scr_overlay_set (int x, int y, const wchar_t *s) NOTHROW;
1238 #endif
1239
1240 vector<void *> allocated; // free these memory blocks with free()
1241
1242 char *locale;
1243 char charsets[4];
1244 char *v_buffer; /* pointer to physical buffer */
1245 unsigned int v_buflen; /* size of area to write */
1246 stringvec *argv, *envv; /* if != 0, will be freed at destroy time */
1247
1248 #ifdef KEYSYM_RESOURCE
1249 keyboard_manager *keyboard;
1250 #endif
1251 #ifndef NO_RESOURCES
1252 XrmDatabase option_db;
1253 #endif
1254
1255 const char *rs[NUM_RESOURCES];
1256 /* command input buffering */
1257 char *cmdbuf_ptr, *cmdbuf_endp;
1258 char cmdbuf_base[CBUFSIZ];
1259
1260 ptytty *pty;
1261
1262 // chunk contains all line_t's as well as rend_t and text_t buffers
1263 // for drawn_buf, swap_buf and row_buf, in this order
1264 void *chunk;
1265 size_t chunk_size;
1266
1267 static vector<rxvt_term *> termlist; // a vector of all running rxvt_term's
1268
1269 #if ENABLE_FRILLS || ISO_14755
1270 // ISO 14755 entry support
1271 unicode_t iso14755buf;
1272 void commit_iso14755 ();
1273 # if ISO_14755
1274 void iso14755_51 (unicode_t ch, rend_t r = DEFAULT_RSTYLE, int x = 0, int y = -1);
1275 void iso14755_54 (int x, int y);
1276 # endif
1277 #endif
1278
1279 long vt_emask, vt_emask_perl, vt_emask_xim, vt_emask_mouse;
1280
1281 void vt_select_input () const NOTHROW
1282 {
1283 XSelectInput (dpy, vt, vt_emask | vt_emask_perl | vt_emask_xim | vt_emask_mouse);
1284 }
1285
1286 #if ENABLE_TRANSPARENCY || ENABLE_PERL
1287 void rootwin_cb (XEvent &xev);
1288 xevent_watcher rootwin_ev;
1289 #endif
1290 #ifdef HAVE_BG_PIXMAP
1291 void update_background ();
1292 void update_background_cb (ev::timer &w, int revents);
1293 ev::timer update_background_ev;
1294 #endif
1295
1296 void x_cb (XEvent &xev);
1297 xevent_watcher termwin_ev;
1298 xevent_watcher vt_ev;
1299 xevent_watcher scrollbar_ev;
1300
1301 void child_cb (ev::child &w, int revents); ev::child child_ev;
1302 void destroy_cb (ev::idle &w, int revents); ev::idle destroy_ev;
1303 void refresh_check ();
1304 void flush ();
1305 void flush_cb (ev::timer &w, int revents); ev::timer flush_ev;
1306 void cmdbuf_reify ();
1307 void cmdbuf_append (const char *str, size_t count);
1308 bool pty_fill ();
1309 void pty_cb (ev::io &w, int revents); ev::io pty_ev;
1310
1311 #ifdef CURSOR_BLINK
1312 void cursor_blink_reset ();
1313 void cursor_blink_cb (ev::timer &w, int revents); ev::timer cursor_blink_ev;
1314 #endif
1315 #ifdef TEXT_BLINK
1316 void text_blink_cb (ev::timer &w, int revents); ev::timer text_blink_ev;
1317 #endif
1318 #ifndef NO_BELL
1319 void bell_cb (ev::timer &w, int revents); ev::timer bell_ev;
1320 #endif
1321
1322 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1323 void cont_scroll_cb (ev::timer &w, int revents); ev::timer cont_scroll_ev;
1324 #endif
1325 #ifdef SELECTION_SCROLLING
1326 void sel_scroll_cb (ev::timer &w, int revents); ev::timer sel_scroll_ev;
1327 #endif
1328 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1329 void slip_wheel_cb (ev::timer &w, int revents); ev::timer slip_wheel_ev;
1330 #endif
1331
1332 #ifdef POINTER_BLANK
1333 void pointer_cb (ev::timer &w, int revents); ev::timer pointer_ev;
1334 void pointer_blank ();
1335 #endif
1336 void pointer_unblank ();
1337
1338 void tt_printf (const char *fmt,...);
1339 void tt_write (const char *data, unsigned int len);
1340 void pty_write ();
1341
1342 void make_current () const // make this the "currently active" urxvt instance
1343 {
1344 SET_R (this);
1345 set_environ (envv);
1346 rxvt_set_locale (locale);
1347 }
1348
1349 #if USE_XIM
1350 rxvt_xim *input_method;
1351 XIC Input_Context;
1352 XIMStyle input_style;
1353 XPoint spot; // most recently sent spot position
1354
1355 void im_destroy ();
1356 void im_cb (); im_watcher im_ev;
1357 void im_set_size (XRectangle &size);
1358 void im_set_position (XPoint &pos) NOTHROW;
1359 void im_set_color (unsigned long &fg, unsigned long &bg);
1360 void im_set_preedit_area (XRectangle &preedit_rect, XRectangle &status_rect, const XRectangle &needed_rect);
1361
1362 bool im_is_running ();
1363 void im_send_spot ();
1364 bool im_get_ic (const char *modifiers);
1365 void im_set_position ();
1366 #endif
1367
1368 // command.C
1369 void key_press (XKeyEvent &ev);
1370 void key_release (XKeyEvent &ev);
1371
1372 wchar_t next_char () NOTHROW;
1373 wchar_t cmd_getc () THROW ((class out_of_input));
1374 uint32_t next_octet () NOTHROW;
1375 uint32_t cmd_get8 () THROW ((class out_of_input));
1376
1377 void cmd_parse ();
1378 void mouse_report (XButtonEvent &ev);
1379 void button_press (XButtonEvent &ev);
1380 void button_release (XButtonEvent &ev);
1381 void focus_in ();
1382 void focus_out ();
1383 #if ENABLE_FRILLS
1384 void set_urgency (bool enable);
1385 #else
1386 void set_urgency (bool enable) { }
1387 #endif
1388 void update_fade_color (unsigned int idx);
1389 #ifdef PRINTPIPE
1390 FILE *popen_printer ();
1391 int pclose_printer (FILE *stream);
1392 #endif
1393 void process_print_pipe ();
1394 void process_nonprinting (unicode_t ch);
1395 void process_escape_vt52 (unicode_t ch);
1396 void process_escape_seq ();
1397 void process_csi_seq ();
1398 void process_window_ops (const int *args, unsigned int nargs);
1399 char *get_to_st (unicode_t &ends_how);
1400 void process_dcs_seq ();
1401 void process_osc_seq ();
1402 void process_color_seq (int report, int color, const char *str, char resp);
1403 void process_xterm_seq (int op, char *str, char resp);
1404 int privcases (int mode, unsigned long bit);
1405 void process_terminal_mode (int mode, int priv, unsigned int nargs, const int *arg);
1406 void process_sgr_mode (unsigned int nargs, const int *arg);
1407 // init.C
1408 void init (stringvec *argv, stringvec *envv);
1409 void init (int argc, const char *const *argv, const char *const *envv);
1410 void init2 (int argc, const char *const *argv);
1411 void init_vars ();
1412 const char **init_resources (int argc, const char *const *argv);
1413 void init_env ();
1414 void set_locale (const char *locale);
1415 void init_xlocale ();
1416 void init_command (const char *const *argv);
1417 void run_command (const char *const *argv);
1418 int run_child (const char *const *argv);
1419 void color_aliases (int idx);
1420 void create_windows (int argc, const char *const *argv);
1421 void get_colours ();
1422 void get_ourmods ();
1423 void set_icon (const char *file);
1424 // main.C
1425 void tt_winch ();
1426 rxvt_term ();
1427 ~rxvt_term ();
1428 void destroy ();
1429 void emergency_cleanup ();
1430 void recolour_cursor ();
1431 void resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent);
1432 void window_calc (unsigned int newwidth, unsigned int newheight);
1433 bool set_fonts ();
1434 void set_string_property (Atom prop, const char *str, int len = -1);
1435 void set_mbstring_property (Atom prop, const char *str, int len = -1);
1436 void set_utf8_property (Atom prop, const char *str, int len = -1);
1437 void set_title (const char *str);
1438 void set_icon_name (const char *str);
1439 void set_window_color (int idx, const char *color);
1440 char *get_colorfgbg ();
1441 bool set_color (rxvt_color &color, const char *name);
1442 void alias_color (int dst, int src);
1443 void set_widthheight (unsigned int newwidth, unsigned int newheight);
1444 void get_window_origin (int &x, int &y);
1445 Pixmap get_pixmap_property (Atom property);
1446
1447 // screen.C
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 bool option (uint8_t opt) const NOTHROW
1478 {
1479 return options[opt >> 3] & (1 << (opt & 7));
1480 }
1481
1482 void set_option (uint8_t opt, bool set = true) NOTHROW;
1483
1484 // modifies first argument(!)
1485 void tt_paste (char *data, unsigned int len) NOTHROW;
1486 void paste (char *data, unsigned int len) NOTHROW;
1487 void scr_alloc () NOTHROW;
1488 void scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const NOTHROW;
1489 void scr_blank_screen_mem (line_t &l, rend_t efs) const NOTHROW;
1490 void scr_kill_char (line_t &l, int col) const NOTHROW;
1491 int scr_scroll_text (int row1, int row2, int count) NOTHROW;
1492 void scr_reset ();
1493 void scr_release () NOTHROW;
1494 void scr_clear (bool really = false) NOTHROW;
1495 void scr_refresh () NOTHROW;
1496 bool scr_refresh_rend (rend_t mask, rend_t value) NOTHROW;
1497 void scr_erase_screen (int mode) NOTHROW;
1498 #if ENABLE_FRILLS
1499 void scr_erase_savelines () NOTHROW;
1500 void scr_backindex () NOTHROW;
1501 void scr_forwardindex () NOTHROW;
1502 #endif
1503 void scr_touch (bool refresh) NOTHROW;
1504 void scr_expose (int x, int y, int width, int height, bool refresh) NOTHROW;
1505 void scr_recolour (bool refresh = true) NOTHROW;
1506 void scr_remap_chars () NOTHROW;
1507 void scr_remap_chars (line_t &l) NOTHROW;
1508
1509 enum cursor_mode { SAVE, RESTORE };
1510
1511 void scr_poweron ();
1512 void scr_soft_reset () NOTHROW;
1513 void scr_cursor (cursor_mode mode) NOTHROW;
1514 void scr_do_wrap () NOTHROW;
1515 void scr_swap_screen () NOTHROW;
1516 void scr_change_screen (int scrn);
1517 void scr_color (unsigned int color, int fgbg) NOTHROW;
1518 void scr_rendition (int set, int style) NOTHROW;
1519 void scr_add_lines (const wchar_t *str, int len, int minlines = 0) NOTHROW;
1520 void scr_backspace () NOTHROW;
1521 void scr_tab (int count, bool ht = false) NOTHROW;
1522 void scr_gotorc (int row, int col, int relative) NOTHROW;
1523 void scr_index (enum page_dirn direction) NOTHROW;
1524 void scr_erase_line (int mode) NOTHROW;
1525 void scr_E () NOTHROW;
1526 void scr_insdel_lines (int count, int insdel) NOTHROW;
1527 void scr_insdel_chars (int count, int insdel) NOTHROW;
1528 void scr_scroll_region (int top, int bot) NOTHROW;
1529 void scr_cursor_visible (int mode) NOTHROW;
1530 void scr_autowrap (int mode) NOTHROW;
1531 void scr_relative_origin (int mode) NOTHROW;
1532 void scr_insert_mode (int mode) NOTHROW;
1533 void scr_set_tab (int mode) NOTHROW;
1534 void scr_rvideo_mode (bool on) NOTHROW;
1535 void scr_report_position () NOTHROW;
1536 void set_font_style () NOTHROW;
1537 void scr_charset_choose (int set) NOTHROW;
1538 void scr_charset_set (int set, unsigned int ch) NOTHROW;
1539 void scr_move_to (int y, int len) NOTHROW;
1540 bool scr_page (enum page_dirn direction, int nlines) NOTHROW;
1541 bool scr_changeview (int new_view_start) NOTHROW;
1542 void scr_bell () NOTHROW;
1543 void scr_printscreen (int fullhist) NOTHROW;
1544 void scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) NOTHROW;
1545 void scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) NOTHROW;
1546 void scr_reverse_selection () NOTHROW;
1547 void scr_dump (int fd) NOTHROW;
1548
1549 void selection_check (int check_more) NOTHROW;
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 const char **get_options (int argc, const char *const *argv);
1565 int parse_keysym (const char *str, const char *arg);
1566 const char *x_resource (const char *name);
1567 void extract_resources ();
1568 void extract_keysym_resources ();
1569 void find_resources (const char *n_prefix, const char *c_prefix, int mode,
1570 Bool (*proc)(XrmDatabase *, XrmBindingList, XrmQuarkList, XrmRepresentation *, XrmValue *, XPointer));
1571 bool parse_bool_resource (const char *str)
1572 {
1573 return (!strcasecmp (str, "TRUE")
1574 || !strcasecmp (str, "YES")
1575 || !strcasecmp (str, "ON")
1576 || !strcasecmp (str, "1"));
1577 }
1578 };
1579
1580 #endif /* _RXVT_H_ */
1581