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/cvs/rxvt-unicode/src/rxvt.h
Revision: 1.440
Committed: Tue Apr 26 16:19:45 2011 UTC (13 years ago) by sf-exg
Content type: text/plain
Branch: MAIN
Changes since 1.439: +4 -4 lines
Log Message:
Fix some comments.

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