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/cvs/rxvt-unicode/src/rxvt.h
Revision: 1.458
Committed: Sun Jan 1 17:43:47 2012 UTC (12 years, 4 months ago) by sf-exg
Content type: text/plain
Branch: MAIN
Changes since 1.457: +1 -0 lines
Log Message:
Revert 2011-12-28 change.

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 /****************************************************************************/
133
134 // exception thrown on fatal (per-instance) errors
135 class rxvt_failure_exception { };
136
137 // exception thrown when the command parser runs out of input data
138 class out_of_input { };
139
140 /*
141 *****************************************************************************
142 * PROTOTYPES
143 *****************************************************************************
144 */
145 // main.C
146 #define SET_LOCALE(locale) rxvt_set_locale (locale)
147 extern bool rxvt_set_locale (const char *locale) NOTHROW;
148 extern void rxvt_push_locale (const char *locale) NOTHROW;
149 extern void rxvt_pop_locale () NOTHROW;
150 void rxvt_init ();
151
152 // misc.C
153 char * rxvt_wcstombs (const wchar_t *str, int len = -1);
154 wchar_t * rxvt_mbstowcs (const char *str, int len = -1);
155 char * rxvt_wcstoutf8 (const wchar_t *str, int len = -1);
156 wchar_t * rxvt_utf8towcs (const char *str, int len = -1);
157
158 const char * rxvt_basename (const char *str) NOTHROW;
159 void rxvt_vlog (const char *fmt, va_list arg_ptr) NOTHROW;
160 void rxvt_log (const char *fmt,...) NOTHROW;
161 void rxvt_warn (const char *fmt,...) NOTHROW;
162 void rxvt_fatal (const char *fmt, ...) THROW ((class rxvt_failure_exception)) ecb_noreturn;
163 void rxvt_exit_failure () THROW ((class rxvt_failure_exception)) ecb_noreturn;
164
165 char * rxvt_strtrim (char *str) NOTHROW;
166 char ** rxvt_strsplit (char delim, const char *str) NOTHROW;
167
168 static inline void
169 rxvt_free_strsplit (char **ptr) NOTHROW
170 {
171 free (ptr[0]);
172 free (ptr);
173 }
174
175 void * rxvt_malloc (size_t size);
176 void * rxvt_calloc (size_t number, size_t size);
177 void * rxvt_realloc (void *ptr, size_t size);
178
179 /////////////////////////////////////////////////////////////////////////////
180
181 // temporarily replace the process environment
182 extern char **environ;
183 extern char **rxvt_environ; // the original environ pointer
184
185 static inline void
186 set_environ (stringvec *envv)
187 {
188 #if ENABLE_PERL
189 assert (envv);
190 #else
191 if (envv)
192 #endif
193 environ = (char **)envv->begin ();
194 }
195
196 static inline void
197 set_environ (char **envv)
198 {
199 #if ENABLE_PERL
200 assert (envv);
201 #else
202 if (envv)
203 #endif
204 environ = envv;
205 }
206
207 struct localise_env
208 {
209 char **orig_env;
210
211 localise_env (char **new_env)
212 {
213 orig_env = environ;
214 environ = new_env;
215 }
216
217 ~localise_env ()
218 {
219 environ = orig_env;
220 }
221 };
222
223 /*
224 *****************************************************************************
225 * STRUCTURES AND TYPEDEFS
226 *****************************************************************************
227 */
228
229 /*
230 * the 'essential' information for reporting Mouse Events
231 * pared down from XButtonEvent
232 */
233 struct mouse_event
234 {
235 int clicks;
236 Time time; /* milliseconds */
237 unsigned int state; /* key or button mask */
238 unsigned int button; /* detail */
239 };
240
241 #if ENABLE_XEMBED
242 // XEMBED messages
243 # define XEMBED_EMBEDDED_NOTIFY 0
244 # define XEMBED_WINDOW_ACTIVATE 1
245 # define XEMBED_WINDOW_DEACTIVATE 2
246 # define XEMBED_REQUEST_FOCUS 3
247 # define XEMBED_FOCUS_IN 4
248 # define XEMBED_FOCUS_OUT 5
249 # define XEMBED_FOCUS_NEXT 6
250 # define XEMBED_FOCUS_PREV 7
251
252 # define XEMBED_MODALITY_ON 10
253 # define XEMBED_MODALITY_OFF 11
254 # define XEMBED_REGISTER_ACCELERATOR 12
255 # define XEMBED_UNREGISTER_ACCELERATOR 13
256 # define XEMBED_ACTIVATE_ACCELERATOR 14
257
258 // XEMBED detail code
259 # define XEMBED_FOCUS_CURRENT 0
260 # define XEMBED_FOCUS_FIRST 1
261 # define XEMBED_FOCUS_LAST 2
262
263 # define XEMBED_MAPPED (1 << 0)
264 #endif
265
266 /*
267 *****************************************************************************
268 * NORMAL DEFINES
269 *****************************************************************************
270 */
271
272 /* COLORTERM, TERM environment variables */
273 #define COLORTERMENV "rxvt"
274 #ifdef BG_IMAGE_FROM_FILE
275 # define COLORTERMENVFULL COLORTERMENV "-xpm"
276 #else
277 # define COLORTERMENVFULL COLORTERMENV
278 #endif
279 #ifndef TERMENV
280 # if USE_256_COLORS
281 # define TERMENV "rxvt-unicode-256color"
282 # else
283 # define TERMENV "rxvt-unicode"
284 # endif
285 #endif
286
287 #if defined (NO_MOUSE_REPORT) && !defined (NO_MOUSE_REPORT_SCROLLBAR)
288 # define NO_MOUSE_REPORT_SCROLLBAR 1
289 #endif
290
291 #define scrollBar_esc 30
292
293 #if !defined (RXVT_SCROLLBAR) && !defined (NEXT_SCROLLBAR)
294 # define NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING 1
295 #endif
296
297 enum {
298 NO_REFRESH = 0, /* Window not visible at all! */
299 FAST_REFRESH = 1, /* Fully exposed window */
300 SLOW_REFRESH = 2, /* Partially exposed window */
301 };
302
303 #ifdef NO_SECONDARY_SCREEN
304 # define NSCREENS 0
305 #else
306 # define NSCREENS 1
307 #endif
308
309 /* flags for rxvt_term::scr_gotorc () */
310 enum {
311 C_RELATIVE = 1, /* col movement is relative */
312 R_RELATIVE = 2, /* row movement is relative */
313 RELATIVE = C_RELATIVE | R_RELATIVE,
314 };
315
316 /* modes for rxvt_term::scr_insdel_chars (), rxvt_term::scr_insdel_lines () */
317 enum {
318 INSERT = -1, /* don't change these values */
319 DELETE = +1,
320 ERASE = +2,
321 };
322
323 /* modes for rxvt_term::scr_page () - scroll page. used by scrollbar window */
324 enum page_dirn {
325 UP,
326 DN,
327 NO_DIR,
328 };
329
330 /* arguments for rxvt_term::scr_change_screen () */
331 enum {
332 PRIMARY = 0,
333 SECONDARY,
334 };
335
336 // define various rendition bits and masks. the rendition word
337 // is 32 bits in size, and we should use it as efficiently as possible
338
339 #define RS_None 0
340
341 // GET_BGATTR depends on RS_fgShift > RS_bgShift
342 #define RS_colorMask ((1UL << Color_Bits) - 1UL)
343 #define RS_bgShift 0
344 #define RS_fgShift (RS_bgShift + Color_Bits)
345 #define RS_bgMask (RS_colorMask << RS_bgShift)
346 #define RS_fgMask (RS_colorMask << RS_fgShift)
347
348 // must have space for rxvt_fontset::fontCount * 2 + 2 values
349 #define RS_fontShift (RS_fgShift + Color_Bits)
350 #define RS_Careful (1UL << RS_fontShift) /* be careful when drawing these */
351 #define RS_fontCount rxvt_fontset::fontCount
352 #define RS_fontMask ((RS_fontCount << (RS_fontShift + 1)) | RS_Careful) // includes RS_Careful
353
354 // toggle this to force redraw, must be != RS_Careful and otherwise "pretty neutral"
355 #define RS_redraw (2UL << RS_fontShift)
356
357 #define RS_Sel (1UL << 22)
358
359 // 4 custom bits for extensions
360 #define RS_customCount 16UL
361 #define RS_customShift 23
362 #define RS_customMask ((RS_customCount - 1UL) << RS_customShift)
363
364 // font styles
365 #define RS_Bold (1UL << RS_styleShift)
366 #define RS_Italic (2UL << RS_styleShift)
367
368 #define RS_styleCount 4
369 #define RS_styleShift 27
370 #define RS_styleMask (RS_Bold | RS_Italic)
371
372 // fake styles
373 #define RS_Blink (1UL << 29)
374 #define RS_RVid (1UL << 30) // reverse video
375 #define RS_Uline (1UL << 31) // underline
376
377 #define RS_baseattrMask (RS_Italic | RS_Bold | RS_Blink | RS_RVid | RS_Uline)
378 #define RS_attrMask (RS_baseattrMask | RS_fontMask)
379
380 #define DEFAULT_RSTYLE (RS_None | (Color_fg << RS_fgShift) | (Color_bg << RS_bgShift))
381 #define OVERLAY_RSTYLE (RS_None | (Color_Black << RS_fgShift) | (Color_Yellow << RS_bgShift))
382
383 enum {
384 C0_NUL = 0x00,
385 C0_SOH, C0_STX, C0_ETX, C0_EOT, C0_ENQ, C0_ACK, C0_BEL,
386 C0_BS , C0_HT , C0_LF , C0_VT , C0_FF , C0_CR , C0_SO , C0_SI ,
387 C0_DLE, C0_DC1, C0_DC2, D0_DC3, C0_DC4, C0_NAK, C0_SYN, C0_ETB,
388 C0_CAN, C0_EM , C0_SUB, C0_ESC, C0_IS4, C0_IS3, C0_IS2, C0_IS1,
389 };
390 #define CHAR_ST 0x9c /* 0234 */
391
392 /*
393 * XTerm Operating System Commands: ESC ] Ps;Pt (ST|BEL)
394 * colour extensions by Christian W. Zuckschwerdt <zany@triq.net>
395 */
396 enum {
397 XTerm_name = 0,
398 XTerm_iconName = 1,
399 XTerm_title = 2,
400 XTerm_property = 3, // change X property
401 XTerm_Color = 4, // change colors
402 XTerm_Color00 = 10, // change fg color
403 XTerm_Color01 = 11, // change bg color
404 XTerm_Color_cursor = 12, // change actual 'Cursor' color
405 XTerm_Color_pointer_fg = 13, // change actual 'Pointer' fg color
406 XTerm_Color_pointer_bg = 14, // change actual 'Pointer' bg color
407 XTerm_Color05 = 15, // not implemented (tektronix fg)
408 XTerm_Color06 = 16, // not implemented (tektronix bg)
409 XTerm_Color_HC = 17, // change actual 'Highlight' bg color
410 XTerm_Color_HTC = 19, // change actual 'Highlight' fg color
411 XTerm_logfile = 46, // not implemented
412 XTerm_font = 50,
413
414 XTerm_konsole30 = 30, // reserved for konsole
415 XTerm_konsole31 = 31, // reserved for konsole
416 XTerm_emacs51 = 51, // reserved for emacs shell
417 /*
418 * rxvt extensions of XTerm OSCs: ESC ] Ps;Pt (ST|BEL)
419 */
420
421 // deprecated
422 Rxvt_restoreFG = 39,
423 Rxvt_restoreBG = 49,
424
425 Rxvt_Pixmap = 20, // new bg pixmap
426 Rxvt_dumpscreen = 55, // dump scrollback and all of screen
427
428 URxvt_locale = 701, // change locale
429 URxvt_version = 702, // request version
430
431 URxvt_Color_IT = 704, // change actual 'Italic' colour
432 URxvt_Color_tint = 705, // change actual tint colour
433 URxvt_Color_BD = 706, // change actual 'Bold' color
434 URxvt_Color_UL = 707, // change actual 'Underline' color
435 URxvt_Color_border = 708,
436
437 URxvt_font = 710,
438 URxvt_boldFont = 711,
439 URxvt_italicFont = 712,
440 URxvt_boldItalicFont = 713,
441
442 URxvt_view_up = 720,
443 URxvt_view_down = 721,
444
445 URxvt_perl = 777, // for use by perl extensions, starts with "extension-name;"
446 };
447
448 /* Words starting with `Color_' are colours. Others are counts */
449 /*
450 * The PixColor and rendition colour usage should probably be decoupled
451 * on the unnecessary items, e.g. Color_pointer, but won't bother
452 * until we need to. Also, be aware of usage in pixcolor_set
453 */
454
455 enum colour_list {
456 Color_none = -2,
457 Color_transparent = -1,
458 Color_fg = 0,
459 Color_bg,
460 minCOLOR, /* 2 */
461 Color_Black = minCOLOR,
462 Color_Red3,
463 Color_Green3,
464 Color_Yellow3,
465 Color_Blue3,
466 Color_Magenta3,
467 Color_Cyan3,
468 maxCOLOR, /* minCOLOR + 7 */
469 #ifndef NO_BRIGHTCOLOR
470 Color_AntiqueWhite = maxCOLOR,
471 minBrightCOLOR, /* maxCOLOR + 1 */
472 Color_Grey25 = minBrightCOLOR,
473 Color_Red,
474 Color_Green,
475 Color_Yellow,
476 Color_Blue,
477 Color_Magenta,
478 Color_Cyan,
479 maxBrightCOLOR, /* minBrightCOLOR + 7 */
480 Color_White = maxBrightCOLOR,
481 #else
482 Color_White = maxCOLOR,
483 #endif
484 minTermCOLOR = Color_White + 1,
485 #if USE_256_COLORS
486 maxTermCOLOR = Color_White + 240,
487 #else
488 maxTermCOLOR = Color_White + 72,
489 #endif
490 #ifndef NO_CURSORCOLOR
491 Color_cursor,
492 Color_cursor2,
493 #endif
494 Color_pointer_fg,
495 Color_pointer_bg,
496 Color_border,
497 #ifndef NO_BOLD_UNDERLINE_REVERSE
498 Color_BD,
499 Color_IT,
500 Color_UL,
501 Color_RV,
502 #endif
503 #if ENABLE_FRILLS
504 Color_underline,
505 #endif
506 #ifdef OPTION_HC
507 Color_HC,
508 Color_HTC,
509 #endif
510 Color_scroll,
511 #ifdef RXVT_SCROLLBAR
512 Color_trough,
513 #endif
514 #if ENABLE_TRANSPARENCY
515 Color_tint,
516 #endif
517 #if OFF_FOCUS_FADING
518 Color_fade,
519 #endif
520 NRS_COLORS, /* */
521 #ifdef RXVT_SCROLLBAR
522 Color_topShadow = NRS_COLORS,
523 Color_bottomShadow,
524 TOTAL_COLORS
525 #else
526 TOTAL_COLORS = NRS_COLORS
527 #endif
528 };
529
530 #if USE_256_COLORS
531 # define Color_Bits 9 // 0 .. maxTermCOLOR
532 #else
533 # define Color_Bits 7 // 0 .. maxTermCOLOR
534 #endif
535
536 /*
537 * Resource list
538 */
539 enum {
540 # define def(name) Rs_ ## name,
541 # define reserve(name,count) Rs_ ## name ## _ = Rs_ ## name + (count) - 1,
542 # include "rsinc.h"
543 # undef def
544 # undef reserve
545 NUM_RESOURCES
546 };
547
548 /* DEC private modes */
549 #define PrivMode_132 (1UL<<0)
550 #define PrivMode_132OK (1UL<<1)
551 #define PrivMode_rVideo (1UL<<2)
552 #define PrivMode_relOrigin (1UL<<3)
553 #define PrivMode_Screen (1UL<<4)
554 #define PrivMode_Autowrap (1UL<<5)
555 #define PrivMode_aplCUR (1UL<<6)
556 #define PrivMode_aplKP (1UL<<7)
557 #define PrivMode_HaveBackSpace (1UL<<8)
558 #define PrivMode_BackSpace (1UL<<9)
559 #define PrivMode_ShiftKeys (1UL<<10)
560 #define PrivMode_VisibleCursor (1UL<<11)
561 #define PrivMode_MouseX10 (1UL<<12)
562 #define PrivMode_MouseX11 (1UL<<13)
563 #define PrivMode_scrollBar (1UL<<14)
564 #define PrivMode_TtyOutputInh (1UL<<15)
565 #define PrivMode_Keypress (1UL<<16)
566 #define PrivMode_smoothScroll (1UL<<17)
567 #define PrivMode_vt52 (1UL<<18)
568 #define PrivMode_LFNL (1UL<<19)
569 #define PrivMode_MouseBtnEvent (1UL<<20)
570 #define PrivMode_MouseAnyEvent (1UL<<21)
571 #define PrivMode_BracketPaste (1UL<<22)
572 #define PrivMode_ExtModeMouse (1UL<<23) // xterm pseudo-utf-8 hack
573 #define PrivMode_ExtMouseRight (1UL<<24) // xterm pseudo-utf-8, but works in non-utf-8-locales
574
575 #define PrivMode_mouse_report (PrivMode_MouseX10|PrivMode_MouseX11|PrivMode_MouseBtnEvent|PrivMode_MouseAnyEvent)
576
577 #ifdef ALLOW_132_MODE
578 # define PrivMode_Default (PrivMode_Autowrap|PrivMode_ShiftKeys|PrivMode_VisibleCursor|PrivMode_132OK)
579 #else
580 # define PrivMode_Default (PrivMode_Autowrap|PrivMode_ShiftKeys|PrivMode_VisibleCursor)
581 #endif
582
583 // do not change these constants lightly, there are many interdependencies
584 #define IMBUFSIZ 128 // input modifier buffer sizes
585 #define KBUFSZ 512 // size of keyboard mapping buffer
586 #define CBUFSIZ 2048 // size of command buffer
587 #define CBUFCNT 8 // never call pty_fill/cmd_parse more than this often in a row
588 #define UBUFSIZ 2048 // character buffer
589
590 #if ENABLE_FRILLS
591 # include <X11/Xmd.h>
592 typedef struct _mwmhints
593 {
594 CARD32 flags;
595 CARD32 functions;
596 CARD32 decorations;
597 INT32 input_mode;
598 CARD32 status;
599 } MWMHints;
600 #endif
601
602 /* Motif window hints */
603 #define MWM_HINTS_FUNCTIONS (1L << 0)
604 #define MWM_HINTS_DECORATIONS (1L << 1)
605 #define MWM_HINTS_INPUT_MODE (1L << 2)
606 #define MWM_HINTS_STATUS (1L << 3)
607 /* bit definitions for MwmHints.functions */
608 #define MWM_FUNC_ALL (1L << 0)
609 #define MWM_FUNC_RESIZE (1L << 1)
610 #define MWM_FUNC_MOVE (1L << 2)
611 #define MWM_FUNC_MINIMIZE (1L << 3)
612 #define MWM_FUNC_MAXIMIZE (1L << 4)
613 #define MWM_FUNC_CLOSE (1L << 5)
614 /* bit definitions for MwmHints.decorations */
615 #define MWM_DECOR_ALL (1L << 0)
616 #define MWM_DECOR_BORDER (1L << 1)
617 #define MWM_DECOR_RESIZEH (1L << 2)
618 #define MWM_DECOR_TITLE (1L << 3)
619 #define MWM_DECOR_MENU (1L << 4)
620 #define MWM_DECOR_MINIMIZE (1L << 5)
621 #define MWM_DECOR_MAXIMIZE (1L << 6)
622 /* bit definitions for MwmHints.inputMode */
623 #define MWM_INPUT_MODELESS 0
624 #define MWM_INPUT_PRIMARY_APPLICATION_MODAL 1
625 #define MWM_INPUT_SYSTEM_MODAL 2
626 #define MWM_INPUT_FULL_APPLICATION_MODAL 3
627 #define PROP_MWM_HINTS_ELEMENTS 5
628
629 /*
630 *****************************************************************************
631 * MACRO DEFINES
632 *****************************************************************************
633 */
634
635 // speed hack, copy some member variable into a local variable of the same name
636 #define dLocal(type,name) type const name = this->name
637
638 // for speed reasons, we assume that all codepoints 32 to 126 are
639 // single-width.
640 #define WCWIDTH(c) (IN_RANGE_INC (c, 0x20, 0x7e) ? 1 : wcwidth (c))
641
642 /* convert pixel dimensions to row/column values. Everything as int32_t */
643 #define Pixel2Col(x) Pixel2Width((int32_t)(x))
644 #define Pixel2Row(y) Pixel2Height((int32_t)(y))
645 #define Pixel2Width(x) ((int32_t)(x) / (int32_t)fwidth)
646 #define Pixel2Height(y) ((int32_t)(y) / (int32_t)fheight)
647 #define Col2Pixel(col) ((int32_t)Width2Pixel(col))
648 #define Row2Pixel(row) ((int32_t)Height2Pixel(row))
649 #define Width2Pixel(n) ((int32_t)(n) * (int32_t)fwidth)
650 #define Height2Pixel(n) ((int32_t)(n) * (int32_t)fheight)
651
652 #define LINENO_of(t,n) MOD ((t)->term_start + int(n), (t)->total_rows)
653 #define ROW_of(t,n) (t)->row_buf [LINENO_of ((t), n)]
654
655 #define LINENO(n) LINENO_of (this, n)
656 #define ROW(n) ROW_of (this, n)
657
658 /* how to build & extract colors and attributes */
659 #define GET_BASEFG(x) (((x) & RS_fgMask) >> RS_fgShift)
660 #define GET_BASEBG(x) (((x) & RS_bgMask) >> RS_bgShift)
661
662 #define GET_FONT(x) (((x) & RS_fontMask) >> RS_fontShift)
663 #define SET_FONT(x,fid) (((x) & ~RS_fontMask) | ((fid) << RS_fontShift))
664
665 #define GET_STYLE(x) (((x) & RS_styleMask) >> RS_styleShift)
666 #define SET_STYLE(x,style) (((x) & ~RS_styleMask) | ((style) << RS_styleShift))
667
668 #define GET_ATTR(x) (((x) & RS_attrMask))
669 // return attributes defining the background, encoding doesn't matter
670 // depends on RS_fgShift > RS_bgShift
671 #define GET_BGATTR(x) \
672 (ecb_unlikely ((x) & RS_RVid) \
673 ? (((x) & (RS_attrMask & ~RS_RVid)) \
674 | (((x) & RS_fgMask) >> (RS_fgShift - RS_bgShift))) \
675 : ((x) & (RS_attrMask | RS_bgMask)))
676 #define SET_FGCOLOR(x,fg) (((x) & ~RS_fgMask) | ((fg) << RS_fgShift))
677 #define SET_BGCOLOR(x,bg) (((x) & ~RS_bgMask) | ((bg) << RS_bgShift))
678 #define SET_ATTR(x,a) (((x) & ~RS_attrMask) | (a))
679
680 #define RS_SAME(a,b) (!(((a) ^ (b)) & ~RS_Careful))
681
682 #define PIXCOLOR_NAME(idx) rs[Rs_color + (idx)]
683 #define ISSET_PIXCOLOR(idx) (!!rs[Rs_color + (idx)])
684
685 #if ENABLE_STYLES
686 # define FONTSET_of(t,style) (t)->fontset[GET_STYLE (style)]
687 #else
688 # define FONTSET_of(t,style) (t)->fontset[0]
689 #endif
690
691 #define FONTSET(style) FONTSET_of (this, style)
692
693 typedef callback<void (const char *)> log_callback;
694 typedef callback<int (int)> getfd_callback;
695
696 /****************************************************************************/
697
698 #define LINE_LONGER 0x0001 // line is continued on the next row
699 #define LINE_FILTERED 0x0002 // line has been filtered
700 #define LINE_COMPRESSED 0x0004 // line has been compressed (NYI)
701 #define LINE_FILTER 0x0008 // line needs to be filtered before display (NYI)
702 #define LINE_BIDI 0x0010 // line needs bidi (NYI)
703
704 struct line_t
705 {
706 text_t *t; // terminal the text
707 rend_t *r; // rendition, uses RS_ flags
708 tlen_t_ l; // length of each text line
709 uint32_t f; // flags
710
711 bool is_longer ()
712 {
713 return f & LINE_LONGER;
714 }
715
716 void is_longer (int set)
717 {
718 if (set)
719 f |= LINE_LONGER;
720 else
721 f &= ~LINE_LONGER;
722 }
723
724 void clear ()
725 {
726 t = 0;
727 r = 0;
728 l = 0;
729 f = 0;
730 }
731
732 void touch () // call whenever a line is changed/touched/updated
733 {
734 #if ENABLE_PERL
735 f &= ~LINE_FILTERED;
736 #endif
737 }
738
739 void touch (int col)
740 {
741 max_it (l, col);
742 touch ();
743 }
744 };
745
746 /****************************************************************************/
747
748 // primitive wrapper around mbstate_t to ensure initialisation
749 struct mbstate
750 {
751 mbstate_t mbs;
752
753 operator mbstate_t *() { return &mbs; }
754 void reset () { memset (&mbs, 0, sizeof (mbs)); }
755 mbstate () { reset (); }
756 };
757
758 /****************************************************************************/
759
760 #define UNICODE_MASK 0x1fffffUL
761
762 #if UNICODE_3
763 # define COMPOSE_LO 0x40000000UL
764 # define COMPOSE_HI 0x400fffffUL
765 # define IS_COMPOSE(n) ((int32_t)(n) >= COMPOSE_LO)
766 #else
767 # if ENABLE_PERL
768 # define COMPOSE_LO 0xe000UL // our _own_ functions don't like (illegal) surrogates
769 # define COMPOSE_HI 0xf8ffUL // in utf-8, so use private use area only
770 # else
771 # define COMPOSE_LO 0xd800UL
772 # define COMPOSE_HI 0xf8ffUL
773 # endif
774 # define IS_COMPOSE(n) IN_RANGE_INC ((n), COMPOSE_LO, COMPOSE_HI)
775 #endif
776
777 #if ENABLE_COMBINING
778 // compose chars are used to represent composite characters
779 // that are not representable in unicode, as well as characters
780 // not fitting in the BMP.
781 struct compose_char
782 {
783 unicode_t c1, c2; // any chars != NOCHAR are valid
784 compose_char (unicode_t c1, unicode_t c2)
785 : c1(c1), c2(c2)
786 { }
787 };
788
789 class rxvt_composite_vec
790 {
791 vector<compose_char> v;
792 public:
793 text_t compose (unicode_t c1, unicode_t c2 = NOCHAR);
794 int expand (unicode_t c, wchar_t *r);
795 compose_char *operator [](text_t c)
796 {
797 return c >= COMPOSE_LO && c < COMPOSE_LO + v.size ()
798 ? &v[c - COMPOSE_LO]
799 : 0;
800 }
801 };
802
803 extern class rxvt_composite_vec rxvt_composite;
804 #endif
805
806 /****************************************************************************/
807
808 #ifdef KEYSYM_RESOURCE
809 class keyboard_manager;
810 #endif
811
812 typedef struct rxvt_term *rxvt_t;
813
814 extern rxvt_t rxvt_current_term;
815
816 #define SET_R(r) rxvt_current_term = const_cast<rxvt_term *>(r)
817 #define GET_R rxvt_current_term
818
819 /* ------------------------------------------------------------------------- */
820 struct overlay_base
821 {
822 int x, y, w, h; // overlay dimensions
823 text_t **text;
824 rend_t **rend;
825
826 // while tempting to add swap() etc. here, it effectively only increases code size
827 };
828
829 /* ------------------------------------------------------------------------- */
830
831 typedef struct
832 {
833 int row;
834 int col;
835 } row_col_t;
836
837 /*
838 * terminal limits:
839 *
840 * width : 1 <= width
841 * height : 1 <= height
842 * ncol : 1 <= ncol <= MAX(tlen_t)
843 * nrow : 1 <= nrow <= MAX(int)
844 * saveLines : 0 <= saveLines <= MAX(int)
845 * term_start : 0 <= term_start < saveLines
846 * total_rows : nrow + saveLines
847 *
848 * top_row : -saveLines <= top_row <= 0
849 * view_start : top_row <= view_start <= 0
850 *
851 * | most coordinates are stored relative to term_start,
852 * ROW_BUF | which is the first line of the terminal screen
853 * |························= row_buf[0]
854 * |························= row_buf[1]
855 * |························= row_buf[2] etc.
856 * |
857 * +------------+···········= term_start + top_row
858 * | scrollback |
859 * | scrollback +---------+·= term_start + view_start
860 * | scrollback | display |
861 * | scrollback | display |
862 * +------------+·display·+·= term_start
863 * | terminal | display |
864 * | terminal +---------+
865 * | terminal |
866 * | terminal |
867 * +------------+···········= term_start + nrow - 1
868 * |
869 * |
870 * END······················= total_rows
871 */
872
873 struct TermWin_t
874 {
875 int width; /* window width [pixels] */
876 int height; /* window height [pixels] */
877 int fwidth; /* font width [pixels] */
878 int fheight; /* font height [pixels] */
879 int fbase; /* font ascent (baseline) [pixels] */
880 int ncol; /* window columns [characters] */
881 int nrow; /* window rows [characters] */
882 int focus; /* window has focus */
883 int mapped; /* window state mapped? */
884 int int_bwidth; /* internal border width */
885 int ext_bwidth; /* external border width */
886 int lineSpace; /* number of extra pixels between rows */
887 int letterSpace; /* number of extra pixels between columns */
888 int saveLines; /* number of lines that fit in scrollback */
889 int total_rows; /* total number of rows in this terminal */
890 int term_start; /* term lines start here */
891 int view_start; /* scrollback view starts here */
892 int top_row; /* topmost row index of scrollback */
893 Window parent; /* parent identifier */
894 Window vt; /* vt100 window */
895 GC gc; /* GC for drawing */
896 Pixmap pixmap;
897 rxvt_drawable *drawable;
898 rxvt_fontset *fontset[4];
899 };
900
901 /*
902 * screen accounting:
903 * screen_t elements
904 * row: Cursor row position : 0 <= row < nrow
905 * col: Cursor column position : 0 <= col < ncol
906 * tscroll: Scrolling region top row inclusive : 0 <= row < nrow
907 * bscroll: Scrolling region bottom row inclusive : 0 <= row < nrow
908 *
909 * selection_t elements
910 * clicks: 1, 2 or 3 clicks - 4 indicates a special condition of 1 where
911 * nothing is selected
912 * beg: row/column of beginning of selection : never past mark
913 * mark: row/column of initial click : never past end
914 * end: row/column of one character past end of selection
915 * * Note: top_row <= beg.row <= mark.row <= end.row < nrow
916 * * Note: col == -1 ==> we're left of screen
917 *
918 */
919 struct screen_t
920 {
921 row_col_t cur; /* cursor position on the screen */
922 int tscroll; /* top of settable scroll region */
923 int bscroll; /* bottom of settable scroll region */
924 unsigned int charset; /* character set number [0..3] */
925 unsigned int flags; /* see below */
926 row_col_t s_cur; /* saved cursor position */
927 unsigned int s_charset; /* saved character set number [0..3] */
928 char s_charset_char;
929 rend_t s_rstyle; /* saved rendition style */
930 };
931
932 enum selection_op_t
933 {
934 SELECTION_CLEAR = 0, /* nothing selected */
935 SELECTION_INIT, /* marked a point */
936 SELECTION_BEGIN, /* started a selection */
937 SELECTION_CONT, /* continued selection */
938 SELECTION_DONE /* selection put in CUT_BUFFER0 */
939 };
940
941 struct selection_t
942 {
943 wchar_t *text; /* selected text */
944 unsigned int len; /* length of selected text */
945 unsigned int screen; /* screen being used */
946 unsigned int clicks; /* number of clicks */
947 selection_op_t op; /* current operation */
948 bool rect; /* rectangular selection? */
949 row_col_t beg; /* beginning of selection <= mark */
950 row_col_t mark; /* point of initial click <= end */
951 row_col_t end; /* one character past end point */
952 wchar_t *clip_text; /* text copied to the clipboard */
953 unsigned int clip_len; /* length of clipboard text */
954 };
955
956 /* ------------------------------------------------------------------------- */
957
958 /* screen_t flags */
959 #define Screen_Relative (1<<0) /* relative origin mode flag */
960 #define Screen_VisibleCursor (1<<1) /* cursor visible? */
961 #define Screen_Autowrap (1<<2) /* auto-wrap flag */
962 #define Screen_Insert (1<<3) /* insert mode (vs. overstrike) */
963 #define Screen_WrapNext (1<<4) /* need to wrap for next char? */
964 #define Screen_DefaultFlags (Screen_VisibleCursor | Screen_Autowrap)
965
966 /* rxvt_vars.options */
967 enum {
968 # define def(name) Opt_ ## name,
969 # define nodef(name) Opt_prev_ ## name, Opt_ ## name = 0, Opt_next_ ## name = Opt_prev_ ## name - 1,
970 Opt_0,
971 # include "optinc.h"
972 # undef nodef
973 # undef def
974 Opt_count
975 };
976
977 /* ------------------------------------------------------------------------- */
978
979 struct rxvt_vars : TermWin_t
980 {
981 scrollBar_t scrollBar;
982 uint8_t options[(Opt_count + 7) >> 3];
983 XSizeHints szHint;
984 rxvt_color *pix_colors;
985 Cursor TermWin_cursor; /* cursor for vt window */
986 line_t *row_buf; // all lines, scrollback + terminal, circular
987 line_t *drawn_buf; // text on screen
988 line_t *swap_buf; // lines for swap buffer
989 char *tabs; /* per location: 1 == tab-stop */
990 screen_t screen;
991 screen_t swap;
992 selection_t selection;
993 rxvt_color pix_colors_focused[TOTAL_COLORS];
994 #ifdef OFF_FOCUS_FADING
995 rxvt_color pix_colors_unfocused[TOTAL_COLORS];
996 #endif
997 };
998
999 struct rxvt_term : zero_initialized, rxvt_vars, rxvt_screen
1000 {
1001
1002 // special markers with magic addresses
1003 static const char resval_undef []; // options specifically unset
1004 static const char resval_on []; // boolean options switched on
1005 static const char resval_off []; // or off
1006
1007 log_callback *log_hook; // log error messages through this hook, if != 0
1008 getfd_callback *getfd_hook; // convert remote to local fd, if != 0
1009 #if ENABLE_PERL
1010 rxvt_perl_term perl;
1011 #endif
1012 struct mbstate mbstate; // current input multibyte state
1013
1014 unsigned char want_refresh:1,
1015 current_screen:1, /* primary or secondary */
1016 num_scr_allow:1,
1017 bypass_keystate:1,
1018 #if ENABLE_FRILLS
1019 urgency_hint:1,
1020 #endif
1021 #if CURSOR_BLINK
1022 hidden_cursor:1,
1023 #endif
1024 #if TEXT_BLINK
1025 hidden_text:1,
1026 #endif
1027 #if POINTER_BLANK
1028 hidden_pointer:1,
1029 #endif
1030 enc_utf8:1, /* whether locale uses utf-8 */
1031 seen_input:1, /* whether we have seen some program output yet */
1032 seen_resize:1, /* whether we had a resize event */
1033 parsed_geometry:1;
1034
1035 unsigned char refresh_type,
1036 #ifdef META8_OPTION
1037 meta_char; /* Alt-key prefix */
1038 #endif
1039 /* ---------- */
1040 bool rvideo_state, rvideo_mode;
1041 #ifndef NO_BELL
1042 bool rvideo_bell;
1043 #endif
1044 int num_scr; /* screen: number of lines scrolled */
1045 int prev_ncol, /* screen: previous number of columns */
1046 prev_nrow; /* screen: previous number of rows */
1047 /* ---------- */
1048 rend_t rstyle;
1049 /* ---------- */
1050 #ifdef SELECTION_SCROLLING
1051 int scroll_selection_lines;
1052 enum page_dirn scroll_selection_dir;
1053 int selection_save_x,
1054 selection_save_y,
1055 selection_save_state;
1056 #endif
1057 /* ---------- */
1058 int csrO, /* Hops - csr offset in thumb/slider to */
1059 /* give proper Scroll behaviour */
1060 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1061 mouse_slip_wheel_speed,
1062 #endif
1063 refresh_count,
1064 window_vt_x,
1065 window_vt_y,
1066 mouse_row,
1067 mouse_col,
1068 # ifdef POINTER_BLANK
1069 pointerBlankDelay,
1070 # endif
1071 allowedxerror;
1072 /* ---------- */
1073 unsigned int ModLevel3Mask,
1074 ModMetaMask,
1075 ModNumLockMask;
1076 int old_width, /* last used width in screen resize */
1077 old_height; /* last used height in screen resize */
1078 unsigned long priv_modes,
1079 SavedModes;
1080 /* ---------- */
1081 Atom *xa;
1082 /* ---------- */
1083 Time selection_time,
1084 clipboard_time;
1085 rxvt_selection *selection_req;
1086 pid_t cmd_pid; /* process id of child */
1087 /* ---------- */
1088 struct mouse_event MEvent;
1089 XComposeStatus compose;
1090 static struct termios def_tio;
1091 row_col_t oldcursor;
1092 #ifdef HAVE_BG_PIXMAP
1093 void bg_init ();
1094 void bg_destroy ();
1095
1096 enum {
1097 //subset returned by make_transparency_pixmap
1098 BG_IS_VALID = 1 << 0,
1099 BG_NEEDS_TINT = 1 << 1,
1100 BG_NEEDS_BLUR = 1 << 2,
1101
1102 BG_EFFECTS_FLAGS = BG_NEEDS_TINT | BG_NEEDS_BLUR,
1103
1104 BG_KEEP_ASPECT = 1 << 3,
1105 BG_ROOT_ALIGN = 1 << 4,
1106 BG_TILE = 1 << 14,
1107 BG_GEOMETRY_FLAGS = BG_KEEP_ASPECT | BG_ROOT_ALIGN | BG_TILE,
1108
1109 BG_TINT_SET = 1 << 5,
1110 BG_TINT_BITAND = 1 << 6,
1111 BG_TINT_FLAGS = BG_NEEDS_TINT | BG_TINT_BITAND,
1112
1113 BG_HAS_RENDER = 1 << 7,
1114 BG_HAS_RENDER_CONV = 1 << 8,
1115 BG_CLIENT_RENDER = 1 << 9,
1116
1117 BG_IS_TRANSPARENT = 1 << 10,
1118 BG_NEEDS_REFRESH = 1 << 11,
1119 BG_IS_SIZE_SENSITIVE = 1 << 12,
1120 BG_IS_FROM_FILE = 1 << 13,
1121 };
1122
1123 unsigned int bg_flags;
1124
1125 # ifdef BG_IMAGE_FROM_FILE
1126 void get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y);
1127 bool render_image (unsigned long tr_flags);
1128
1129 enum {
1130 noScale = 0,
1131 windowScale = 100,
1132 defaultScale = windowScale,
1133 centerAlign = 50,
1134 defaultAlign = centerAlign,
1135 };
1136
1137 unsigned int h_scale, v_scale; /* percents of the window size */
1138 int h_align, v_align; /* percents of the window size:
1139 0 - left align, 50 - center, 100 - right */
1140
1141 bool bg_set_geometry (const char *geom, bool update = false);
1142 void bg_set_default_geometry ()
1143 {
1144 h_scale = v_scale = defaultScale;
1145 h_align = v_align = defaultAlign;
1146 }
1147
1148 bool bg_set_file (const char *file);
1149 # endif
1150
1151 # ifdef ENABLE_TRANSPARENCY
1152 Pixmap root_pixmap; /* current root pixmap set */
1153 rxvt_color tint;
1154 int shade;
1155 int h_blurRadius, v_blurRadius;
1156
1157 bool bg_set_transparent ();
1158 void bg_set_root_pixmap ();
1159 void set_tint_shade_flags ();
1160 bool bg_set_tint (rxvt_color &new_tint);
1161 bool bg_set_shade (const char *shade_str);
1162 bool bg_set_blur (const char *geom);
1163
1164 bool blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height);
1165 bool tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height);
1166 void tint_ximage (Visual *visual, XImage *ximage);
1167 unsigned long make_transparency_pixmap ();
1168 # endif
1169
1170 ev_tstamp bg_valid_since;
1171
1172 Pixmap bg_pixmap;
1173 unsigned int bg_pmap_width, bg_pmap_height;
1174
1175 int target_x;
1176 int target_y;
1177 bool bg_set_position (int x, int y);
1178 bool bg_window_size_sensitive ();
1179 bool bg_window_position_sensitive ();
1180
1181 bool bg_render ();
1182 void bg_invalidate ()
1183 {
1184 bg_flags &= ~BG_IS_VALID;
1185 }
1186 #endif
1187 #ifdef HAVE_AFTERIMAGE
1188 ASImage *original_asim;
1189 ASVisual *asv;
1190 ASImageManager *asimman;
1191
1192 void init_asv ()
1193 {
1194 if (!asv)
1195 asv = create_asvisual_for_id (dpy, display->screen, depth, XVisualIDFromVisual (visual), cmap, NULL);
1196 }
1197 #endif
1198 #ifdef HAVE_PIXBUF
1199 GdkPixbuf *pixbuf;
1200 bool pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
1201 int src_x, int src_y, int dst_x, int dst_y,
1202 unsigned int width, unsigned int height);
1203 #endif
1204
1205 #if ENABLE_OVERLAY
1206 overlay_base ov;
1207
1208 void scr_swap_overlay () NOTHROW;
1209 void scr_overlay_new (int x, int y, int w, int h) NOTHROW;
1210 void scr_overlay_off () NOTHROW;
1211 void scr_overlay_set (int x, int y,
1212 text_t text,
1213 rend_t rend = OVERLAY_RSTYLE) NOTHROW;
1214 void scr_overlay_set (int x, int y, const char *s) NOTHROW;
1215 void scr_overlay_set (int x, int y, const wchar_t *s) NOTHROW;
1216 #endif
1217
1218 vector<void *> allocated; // free these memory blocks with free()
1219
1220 char env_windowid[21]; /* environmental variable WINDOWID */
1221 char env_colorfgbg[sizeof ("COLORFGBG=default;default;bg") + 1];
1222 char *env_display; /* environmental variable DISPLAY */
1223 char *env_term; /* environmental variable TERM */
1224
1225 char *locale;
1226 char charsets[4];
1227 char *v_buffer; /* pointer to physical buffer */
1228 unsigned int v_buflen; /* size of area to write */
1229 stringvec *argv, *envv; /* if != 0, will be freed at destroy time */
1230
1231 #ifdef KEYSYM_RESOURCE
1232 keyboard_manager *keyboard;
1233 #endif
1234 #ifndef NO_RESOURCES
1235 XrmDatabase option_db;
1236 #endif
1237
1238 const char *rs[NUM_RESOURCES];
1239 /* command input buffering */
1240 char *cmdbuf_ptr, *cmdbuf_endp;
1241 char cmdbuf_base[CBUFSIZ];
1242
1243 ptytty *pty;
1244
1245 rxvt_salloc *talloc; // text line allocator
1246 rxvt_salloc *ralloc; // rend line allocator
1247
1248 static vector<rxvt_term *> termlist; // a vector of all running rxvt_term's
1249
1250 #if ENABLE_FRILLS || ISO_14755
1251 // ISO 14755 entry support
1252 unicode_t iso14755buf;
1253 void commit_iso14755 ();
1254 # if ISO_14755
1255 void iso14755_51 (unicode_t ch, rend_t r = DEFAULT_RSTYLE, int x = 0, int y = -1);
1256 void iso14755_54 (int x, int y);
1257 # endif
1258 #endif
1259
1260 long vt_emask, vt_emask_perl, vt_emask_xim, vt_emask_mouse;
1261
1262 void vt_select_input () const NOTHROW
1263 {
1264 XSelectInput (dpy, vt, vt_emask | vt_emask_perl | vt_emask_xim | vt_emask_mouse);
1265 }
1266
1267 #if ENABLE_TRANSPARENCY || ENABLE_PERL
1268 void rootwin_cb (XEvent &xev);
1269 xevent_watcher rootwin_ev;
1270 #endif
1271 #ifdef HAVE_BG_PIXMAP
1272 void update_background ();
1273 void update_background_cb (ev::timer &w, int revents);
1274 ev::timer update_background_ev;
1275 #endif
1276
1277 void x_cb (XEvent &xev);
1278 xevent_watcher termwin_ev;
1279 xevent_watcher vt_ev;
1280 xevent_watcher scrollbar_ev;
1281
1282 void child_cb (ev::child &w, int revents); ev::child child_ev;
1283 void destroy_cb (ev::idle &w, int revents); ev::idle destroy_ev;
1284 void refresh_check ();
1285 void flush ();
1286 void flush_cb (ev::timer &w, int revents); ev::timer flush_ev;
1287 void cmdbuf_reify ();
1288 void cmdbuf_append (const char *str, size_t count);
1289 bool pty_fill ();
1290 void pty_cb (ev::io &w, int revents); ev::io pty_ev;
1291
1292 #ifdef CURSOR_BLINK
1293 void cursor_blink_cb (ev::timer &w, int revents); ev::timer cursor_blink_ev;
1294 #endif
1295 #ifdef TEXT_BLINK
1296 void text_blink_cb (ev::timer &w, int revents); ev::timer text_blink_ev;
1297 #endif
1298 #ifndef NO_BELL
1299 void bell_cb (ev::timer &w, int revents); ev::timer bell_ev;
1300 #endif
1301
1302 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1303 void cont_scroll_cb (ev::timer &w, int revents); ev::timer cont_scroll_ev;
1304 #endif
1305 #ifdef SELECTION_SCROLLING
1306 void sel_scroll_cb (ev::timer &w, int revents); ev::timer sel_scroll_ev;
1307 #endif
1308 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1309 void slip_wheel_cb (ev::timer &w, int revents); ev::timer slip_wheel_ev;
1310 #endif
1311
1312 #ifdef POINTER_BLANK
1313 void pointer_cb (ev::timer &w, int revents); ev::timer pointer_ev;
1314 void pointer_blank ();
1315 #endif
1316 void pointer_unblank ();
1317
1318 void tt_printf (const char *fmt,...);
1319 void tt_write (const char *data, unsigned int len);
1320 void pty_write ();
1321
1322 void make_current () const // make this the "currently active" urxvt instance
1323 {
1324 SET_R (this);
1325 set_environ (envv);
1326 rxvt_set_locale (locale);
1327 }
1328
1329 #if USE_XIM
1330 rxvt_xim *input_method;
1331 XIC Input_Context;
1332 XIMStyle input_style;
1333 XPoint spot; // most recently sent spot position
1334
1335 void im_destroy ();
1336 void im_cb (); im_watcher im_ev;
1337 void im_set_size (XRectangle &size);
1338 void im_set_position (XPoint &pos) NOTHROW;
1339 void im_set_color (unsigned long &fg, unsigned long &bg);
1340 void im_set_preedit_area (XRectangle &preedit_rect, XRectangle &status_rect, const XRectangle &needed_rect);
1341
1342 bool im_is_running ();
1343 void im_send_spot ();
1344 bool im_get_ic (const char *modifiers);
1345 void im_set_position ();
1346 #endif
1347
1348 // command.C
1349 void key_press (XKeyEvent &ev);
1350 void key_release (XKeyEvent &ev);
1351
1352 wchar_t next_char () NOTHROW;
1353 wchar_t cmd_getc () THROW ((class out_of_input));
1354 uint32_t next_octet () NOTHROW;
1355 uint32_t cmd_get8 () THROW ((class out_of_input));
1356
1357 void cmd_parse ();
1358 void mouse_report (XButtonEvent &ev);
1359 void button_press (XButtonEvent &ev);
1360 void button_release (XButtonEvent &ev);
1361 void focus_in ();
1362 void focus_out ();
1363 #if ENABLE_FRILLS
1364 void set_urgency (bool enable);
1365 #else
1366 void set_urgency (bool enable) { }
1367 #endif
1368 void update_fade_color (unsigned int idx);
1369 #ifdef PRINTPIPE
1370 FILE *popen_printer ();
1371 int pclose_printer (FILE *stream);
1372 #endif
1373 void process_print_pipe ();
1374 void process_nonprinting (unicode_t ch);
1375 void process_escape_vt52 (unicode_t ch);
1376 void process_escape_seq ();
1377 void process_csi_seq ();
1378 void process_window_ops (const int *args, unsigned int nargs);
1379 char *get_to_st (unicode_t &ends_how);
1380 void process_dcs_seq ();
1381 void process_osc_seq ();
1382 void process_color_seq (int report, int color, const char *str, char resp);
1383 void process_xterm_seq (int op, char *str, char resp);
1384 int privcases (int mode, unsigned long bit);
1385 void process_terminal_mode (int mode, int priv, unsigned int nargs, const int *arg);
1386 void process_sgr_mode (unsigned int nargs, const int *arg);
1387 // init.C
1388 void init (stringvec *argv, stringvec *envv);
1389 void init (int argc, const char *const *argv, const char *const *envv);
1390 void init2 (int argc, const char *const *argv);
1391 void init_vars ();
1392 const char **init_resources (int argc, const char *const *argv);
1393 void init_env ();
1394 void set_locale (const char *locale);
1395 void init_xlocale ();
1396 void init_command (const char *const *argv);
1397 void run_command (const char *const *argv);
1398 int run_child (const char *const *argv);
1399 void color_aliases (int idx);
1400 void create_windows (int argc, const char *const *argv);
1401 void get_colours ();
1402 void get_ourmods ();
1403 void set_icon (const char *file);
1404 // main.C
1405 void tt_winch ();
1406 rxvt_term ();
1407 ~rxvt_term ();
1408 void destroy ();
1409 void emergency_cleanup ();
1410 void recolour_cursor ();
1411 void resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent);
1412 void window_calc (unsigned int newwidth, unsigned int newheight);
1413 bool set_fonts ();
1414 void set_string_property (Atom prop, const char *str, int len = -1);
1415 void set_mbstring_property (Atom prop, const char *str, int len = -1);
1416 void set_utf8_property (Atom prop, const char *str, int len = -1);
1417 void set_title (const char *str);
1418 void set_icon_name (const char *str);
1419 void set_window_color (int idx, const char *color);
1420 void set_colorfgbg ();
1421 bool set_color (rxvt_color &color, const char *name);
1422 void alias_color (int dst, int src);
1423 void set_widthheight (unsigned int newwidth, unsigned int newheight);
1424 void get_window_origin (int &x, int &y);
1425 Pixmap get_pixmap_property (Atom property);
1426
1427 // screen.C
1428
1429 void lalloc (line_t &l) const
1430 {
1431 l.t = (text_t *)talloc->alloc ();
1432 l.r = (rend_t *)ralloc->alloc ();
1433 }
1434
1435 #if 0
1436 void lfree (line_t &l)
1437 {
1438 talloc->free (l.t);
1439 ralloc->free (l.r);
1440 }
1441 #endif
1442
1443 void lresize (line_t &l) const
1444 {
1445 if (!l.t)
1446 return;
1447
1448 l.t = (text_t *)talloc->alloc (l.t, prev_ncol * sizeof (text_t));
1449 l.r = (rend_t *)ralloc->alloc (l.r, prev_ncol * sizeof (rend_t));
1450
1451 l.l = min (l.l, ncol);
1452
1453 if (ncol > prev_ncol)
1454 scr_blank_line (l, prev_ncol, ncol - prev_ncol, DEFAULT_RSTYLE);
1455 }
1456
1457 int fgcolor_of (rend_t r) const NOTHROW
1458 {
1459 int base = GET_BASEFG (r);
1460 #ifndef NO_BRIGHTCOLOR
1461 if (r & RS_Bold
1462 # if ENABLE_STYLES
1463 && option (Opt_intensityStyles)
1464 # endif
1465 && IN_RANGE_EXC (base, minCOLOR, minBrightCOLOR))
1466 base += minBrightCOLOR - minCOLOR;
1467 #endif
1468 return base;
1469 }
1470
1471 int bgcolor_of (rend_t r) const NOTHROW
1472 {
1473 int base = GET_BASEBG (r);
1474 #ifndef NO_BRIGHTCOLOR
1475 if (r & RS_Blink
1476 # if ENABLE_STYLES
1477 && option (Opt_intensityStyles)
1478 # endif
1479 && IN_RANGE_EXC (base, minCOLOR, minBrightCOLOR))
1480 base += minBrightCOLOR - minCOLOR;
1481 #endif
1482 return base;
1483 }
1484
1485 bool option (uint8_t opt) const NOTHROW
1486 {
1487 return options[opt >> 3] & (1 << (opt & 7));
1488 }
1489
1490 void set_option (uint8_t opt, bool set = true) NOTHROW;
1491
1492 // modifies first argument(!)
1493 void tt_paste (char *data, unsigned int len) NOTHROW;
1494 void paste (char *data, unsigned int len) NOTHROW;
1495 void scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const NOTHROW;
1496 void scr_blank_screen_mem (line_t &l, rend_t efs) const NOTHROW;
1497 void scr_kill_char (line_t &l, int col) const NOTHROW;
1498 int scr_scroll_text (int row1, int row2, int count) NOTHROW;
1499 void scr_reset ();
1500 void scr_release () NOTHROW;
1501 void scr_clear (bool really = false) NOTHROW;
1502 void scr_refresh () NOTHROW;
1503 bool scr_refresh_rend (rend_t mask, rend_t value) NOTHROW;
1504 void scr_erase_screen (int mode) NOTHROW;
1505 #if ENABLE_FRILLS
1506 void scr_erase_savelines () NOTHROW;
1507 void scr_backindex () NOTHROW;
1508 void scr_forwardindex () NOTHROW;
1509 #endif
1510 void scr_touch (bool refresh) NOTHROW;
1511 void scr_expose (int x, int y, int width, int height, bool refresh) NOTHROW;
1512 void scr_recolour (bool refresh = true) NOTHROW;
1513 void scr_remap_chars () NOTHROW;
1514 void scr_remap_chars (line_t &l) NOTHROW;
1515
1516 enum cursor_mode { SAVE, RESTORE };
1517
1518 void scr_poweron ();
1519 void scr_soft_reset () NOTHROW;
1520 void scr_cursor (cursor_mode mode) NOTHROW;
1521 void scr_do_wrap () NOTHROW;
1522 void scr_swap_screen () NOTHROW;
1523 void scr_change_screen (int scrn);
1524 void scr_color (unsigned int color, int fgbg) NOTHROW;
1525 void scr_rendition (int set, int style) NOTHROW;
1526 void scr_add_lines (const wchar_t *str, int len, int minlines = 0) NOTHROW;
1527 void scr_backspace () NOTHROW;
1528 void scr_tab (int count, bool ht = false) NOTHROW;
1529 void scr_gotorc (int row, int col, int relative) NOTHROW;
1530 void scr_index (enum page_dirn direction) NOTHROW;
1531 void scr_erase_line (int mode) NOTHROW;
1532 void scr_E () NOTHROW;
1533 void scr_insdel_lines (int count, int insdel) NOTHROW;
1534 void scr_insdel_chars (int count, int insdel) NOTHROW;
1535 void scr_scroll_region (int top, int bot) NOTHROW;
1536 void scr_cursor_visible (int mode) NOTHROW;
1537 void scr_autowrap (int mode) NOTHROW;
1538 void scr_relative_origin (int mode) NOTHROW;
1539 void scr_insert_mode (int mode) NOTHROW;
1540 void scr_set_tab (int mode) NOTHROW;
1541 void scr_rvideo_mode (bool on) NOTHROW;
1542 void scr_report_position () NOTHROW;
1543 void set_font_style () NOTHROW;
1544 void scr_charset_choose (int set) NOTHROW;
1545 void scr_charset_set (int set, unsigned int ch) NOTHROW;
1546 void scr_move_to (int y, int len) NOTHROW;
1547 bool scr_page (enum page_dirn direction, int nlines) NOTHROW;
1548 bool scr_changeview (int new_view_start) NOTHROW;
1549 void scr_bell () NOTHROW;
1550 void scr_printscreen (int fullhist) NOTHROW;
1551 void scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) NOTHROW;
1552 void scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) NOTHROW;
1553 void scr_reverse_selection () NOTHROW;
1554 void scr_dump (int fd) NOTHROW;
1555
1556 void selection_check (int check_more) NOTHROW;
1557 void selection_request (Time tm, int selnum = Sel_Primary) NOTHROW;
1558 void selection_clear (bool clipboard = false) NOTHROW;
1559 void selection_make (Time tm);
1560 bool selection_grab (Time tm, bool clipboard = false) NOTHROW;
1561 void selection_start_colrow (int col, int row) NOTHROW;
1562 void selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW;
1563 void selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW;
1564 void selection_remove_trailing_spaces () NOTHROW;
1565 void selection_send (const XSelectionRequestEvent &rq) NOTHROW;
1566 void selection_click (int clicks, int x, int y) NOTHROW;
1567 void selection_extend (int x, int y, int flag) NOTHROW;
1568 void selection_rotate (int x, int y) NOTHROW;
1569
1570 // xdefaults.C
1571 const char **get_options (int argc, const char *const *argv);
1572 int parse_keysym (const char *str, const char *arg);
1573 const char *x_resource (const char *name);
1574 void extract_resources ();
1575 void extract_keysym_resources ();
1576 };
1577
1578 #endif /* _RXVT_H_ */
1579