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/cvs/rxvt-unicode/src/rxvt.h
Revision: 1.441
Committed: Fri Apr 29 10:10:20 2011 UTC (13 years, 1 month ago) by sf-exg
Content type: text/plain
Branch: MAIN
Changes since 1.440: +0 -5 lines
Log Message:
Cleanup.

File Contents

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