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/cvs/rxvt-unicode/src/rxvt.h
Revision: 1.471
Committed: Wed Apr 11 10:20:00 2012 UTC (12 years, 1 month ago) by sf-exg
Content type: text/plain
Branch: MAIN
Changes since 1.470: +1 -0 lines
Log Message:
Fix disabling of cursor blink with the option-popup menu.

Based on a patch by Jan Larres.

File Contents

# Content
1 #ifndef RXVT_H_ /* include once only */
2 #define RXVT_H_
3
4 #include <stdio.h>
5 #include <ctype.h>
6 #include <errno.h>
7 #include <stdarg.h>
8 #include <stdlib.h>
9 #ifdef HAVE_STDINT_H
10 #include <stdint.h>
11 #endif
12 #include <sys/types.h>
13 #include <unistd.h>
14 #include <string.h>
15 #include <assert.h>
16 #ifdef HAVE_SYS_IOCTL_H
17 #include <sys/ioctl.h>
18 #endif
19 #ifdef HAVE_SYS_STRREDIR_H
20 #include <sys/strredir.h>
21 #endif
22
23 #if HAVE_WCHAR_H
24 # include <wchar.h>
25 #else
26 // stdlib.h might provide it
27 #endif
28
29 // we assume that Xlib.h defines XPointer, and it does since at least 1994...
30
31 extern "C" {
32 #include <X11/Xlib.h>
33 #include <X11/Xutil.h>
34 #include <X11/Xresource.h>
35 }
36
37 #if UNICODE_3
38 typedef uint32_t text_t;
39 #else
40 typedef uint16_t text_t; // saves lots of memory
41 #endif
42 typedef uint32_t rend_t;
43 typedef int32_t tlen_t; // was int16_t, but this results in smaller code and memory use
44 typedef int32_t tlen_t_; // specifically for use in the line_t structure
45
46 #include "feature.h"
47
48 #if defined (ISO_14755) || defined (ENABLE_PERL)
49 # define ENABLE_OVERLAY 1
50 #endif
51
52 #if ENABLE_PERL
53 # define ENABLE_FRILLS 1
54 # define ENABLE_COMBINING 1
55 #endif
56
57 #if ENABLE_FRILLS
58 # define ENABLE_XEMBED 1
59 # define ENABLE_EWMH 1
60 # define ENABLE_XIM_ONTHESPOT 1
61 # define CURSOR_BLINK 1
62 # define OPTION_HC 1
63 # define BUILTIN_GLYPHS 1
64 #else
65 # define ENABLE_MINIMAL 1
66 #endif
67
68 #include <limits.h>
69
70 #include <X11/cursorfont.h>
71 #include <X11/keysym.h>
72 #include <X11/keysymdef.h>
73 #include <X11/Xatom.h>
74
75 #ifdef HAVE_PIXBUF
76 # include <gdk-pixbuf/gdk-pixbuf.h>
77 #endif
78
79 #if defined(BG_IMAGE_FROM_FILE) || defined(ENABLE_TRANSPARENCY)
80 # define HAVE_BG_PIXMAP 1
81 #endif
82
83 #include "encoding.h"
84 #include "rxvtutil.h"
85 #include "rxvtfont.h"
86 #include "rxvttoolkit.h"
87 #include "scrollbar.h"
88 #include "ev_cpp.h"
89 #include "salloc.h"
90 #include "libptytty.h"
91
92 #include "rxvtperl.h"
93
94 // try to avoid some macros to decrease code size, on some systems
95 #if ENABLE_MINIMAL
96 # define strcmp(a,b) (strcmp)(a,b)
97 # define strlen(a) (strlen)(a)
98 # define strcpy(a,b) (strcpy)(a,b)
99 # define memset(a,c,l) (memset)(a,c,l)
100 # define memcpy(a,b,l) (memcpy)(a,b,l)
101 #endif
102
103 /*
104 *****************************************************************************
105 * SYSTEM HACKS
106 *****************************************************************************
107 */
108
109 #include <termios.h>
110
111 #ifndef STDIN_FILENO
112 # define STDIN_FILENO 0
113 # define STDOUT_FILENO 1
114 # define STDERR_FILENO 2
115 #endif
116
117 #ifndef EXIT_SUCCESS /* missing from <stdlib.h> */
118 # define EXIT_SUCCESS 0 /* exit function success */
119 # define EXIT_FAILURE 1 /* exit function failure */
120 #endif
121
122 /****************************************************************************/
123
124 // exception thrown on fatal (per-instance) errors
125 class rxvt_failure_exception { };
126
127 // exception thrown when the command parser runs out of input data
128 class out_of_input { };
129
130 /*
131 *****************************************************************************
132 * PROTOTYPES
133 *****************************************************************************
134 */
135 // main.C
136 #define SET_LOCALE(locale) rxvt_set_locale (locale)
137 extern bool rxvt_set_locale (const char *locale) NOTHROW;
138 extern void rxvt_push_locale (const char *locale) NOTHROW;
139 extern void rxvt_pop_locale () NOTHROW;
140 void rxvt_init ();
141
142 // misc.C
143 char * rxvt_wcstombs (const wchar_t *str, int len = -1);
144 wchar_t * rxvt_mbstowcs (const char *str, int len = -1);
145 char * rxvt_wcstoutf8 (const wchar_t *str, int len = -1);
146 wchar_t * rxvt_utf8towcs (const char *str, int len = -1);
147
148 const char * rxvt_basename (const char *str) NOTHROW;
149 void rxvt_vlog (const char *fmt, va_list arg_ptr) NOTHROW;
150 void rxvt_log (const char *fmt,...) NOTHROW;
151 void rxvt_warn (const char *fmt,...) NOTHROW;
152 void rxvt_fatal (const char *fmt, ...) THROW ((class rxvt_failure_exception)) ecb_noreturn;
153 void rxvt_exit_failure () THROW ((class rxvt_failure_exception)) ecb_noreturn;
154
155 char * rxvt_strtrim (char *str) NOTHROW;
156 char ** rxvt_strsplit (char delim, const char *str) NOTHROW;
157
158 static inline void
159 rxvt_free_strsplit (char **ptr) NOTHROW
160 {
161 free (ptr[0]);
162 free (ptr);
163 }
164
165 void * rxvt_malloc (size_t size);
166 void * rxvt_calloc (size_t number, size_t size);
167 void * rxvt_realloc (void *ptr, size_t size);
168
169 /////////////////////////////////////////////////////////////////////////////
170
171 // temporarily replace the process environment
172 extern char **environ;
173 extern char **rxvt_environ; // the original environ pointer
174
175 static inline void
176 set_environ (stringvec *envv)
177 {
178 #if ENABLE_PERL
179 assert (envv);
180 #else
181 if (envv)
182 #endif
183 environ = (char **)envv->begin ();
184 }
185
186 static inline void
187 set_environ (char **envv)
188 {
189 #if ENABLE_PERL
190 assert (envv);
191 #else
192 if (envv)
193 #endif
194 environ = envv;
195 }
196
197 struct localise_env
198 {
199 char **orig_env;
200
201 localise_env (char **new_env)
202 {
203 orig_env = environ;
204 environ = new_env;
205 }
206
207 ~localise_env ()
208 {
209 environ = orig_env;
210 }
211 };
212
213 /*
214 *****************************************************************************
215 * STRUCTURES AND TYPEDEFS
216 *****************************************************************************
217 */
218
219 /*
220 * the 'essential' information for reporting Mouse Events
221 * pared down from XButtonEvent
222 */
223 struct mouse_event
224 {
225 int clicks;
226 Time time; /* milliseconds */
227 unsigned int state; /* key or button mask */
228 unsigned int button; /* detail */
229 };
230
231 #if ENABLE_XEMBED
232 // XEMBED messages
233 # define XEMBED_EMBEDDED_NOTIFY 0
234 # define XEMBED_WINDOW_ACTIVATE 1
235 # define XEMBED_WINDOW_DEACTIVATE 2
236 # define XEMBED_REQUEST_FOCUS 3
237 # define XEMBED_FOCUS_IN 4
238 # define XEMBED_FOCUS_OUT 5
239 # define XEMBED_FOCUS_NEXT 6
240 # define XEMBED_FOCUS_PREV 7
241
242 # define XEMBED_MODALITY_ON 10
243 # define XEMBED_MODALITY_OFF 11
244 # define XEMBED_REGISTER_ACCELERATOR 12
245 # define XEMBED_UNREGISTER_ACCELERATOR 13
246 # define XEMBED_ACTIVATE_ACCELERATOR 14
247
248 // XEMBED detail code
249 # define XEMBED_FOCUS_CURRENT 0
250 # define XEMBED_FOCUS_FIRST 1
251 # define XEMBED_FOCUS_LAST 2
252
253 # define XEMBED_MAPPED (1 << 0)
254 #endif
255
256 /*
257 *****************************************************************************
258 * NORMAL DEFINES
259 *****************************************************************************
260 */
261
262 /* COLORTERM, TERM environment variables */
263 #define COLORTERMENV "rxvt"
264 #ifdef BG_IMAGE_FROM_FILE
265 # define COLORTERMENVFULL COLORTERMENV "-xpm"
266 #else
267 # define COLORTERMENVFULL COLORTERMENV
268 #endif
269 #ifndef TERMENV
270 # if USE_256_COLORS
271 # define TERMENV "rxvt-unicode-256color"
272 # else
273 # define TERMENV "rxvt-unicode"
274 # endif
275 #endif
276
277 #if defined (NO_MOUSE_REPORT) && !defined (NO_MOUSE_REPORT_SCROLLBAR)
278 # define NO_MOUSE_REPORT_SCROLLBAR 1
279 #endif
280
281 #define scrollBar_esc 30
282
283 #if !defined (RXVT_SCROLLBAR) && !defined (NEXT_SCROLLBAR)
284 # define NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING 1
285 #endif
286
287 enum {
288 NO_REFRESH = 0, /* Window not visible at all! */
289 FAST_REFRESH = 1, /* Fully exposed window */
290 SLOW_REFRESH = 2, /* Partially exposed window */
291 };
292
293 #ifdef NO_SECONDARY_SCREEN
294 # define NSCREENS 0
295 #else
296 # define NSCREENS 1
297 #endif
298
299 /* flags for rxvt_term::scr_gotorc () */
300 enum {
301 C_RELATIVE = 1, /* col movement is relative */
302 R_RELATIVE = 2, /* row movement is relative */
303 RELATIVE = C_RELATIVE | R_RELATIVE,
304 };
305
306 /* modes for rxvt_term::scr_insdel_chars (), rxvt_term::scr_insdel_lines () */
307 enum {
308 INSERT = -1, /* don't change these values */
309 DELETE = +1,
310 ERASE = +2,
311 };
312
313 /* modes for rxvt_term::scr_page () - scroll page. used by scrollbar window */
314 enum page_dirn {
315 UP,
316 DN,
317 NO_DIR,
318 };
319
320 /* arguments for rxvt_term::scr_change_screen () */
321 enum {
322 PRIMARY = 0,
323 SECONDARY,
324 };
325
326 // define various rendition bits and masks. the rendition word
327 // is 32 bits in size, and we should use it as efficiently as possible
328
329 #define RS_None 0
330
331 // GET_BGATTR depends on RS_fgShift > RS_bgShift
332 #define RS_colorMask ((1UL << Color_Bits) - 1UL)
333 #define RS_bgShift 0
334 #define RS_fgShift (RS_bgShift + Color_Bits)
335 #define RS_bgMask (RS_colorMask << RS_bgShift)
336 #define RS_fgMask (RS_colorMask << RS_fgShift)
337
338 // must have space for rxvt_fontset::fontCount * 2 + 2 values
339 #define RS_fontShift (RS_fgShift + Color_Bits)
340 #define RS_Careful (1UL << RS_fontShift) /* be careful when drawing these */
341 #define RS_fontCount rxvt_fontset::fontCount
342 #define RS_fontMask ((RS_fontCount << (RS_fontShift + 1)) | RS_Careful) // includes RS_Careful
343
344 // toggle this to force redraw, must be != RS_Careful and otherwise "pretty neutral"
345 #define RS_redraw (2UL << RS_fontShift)
346
347 #define RS_Sel (1UL << 22)
348
349 // 4 custom bits for extensions
350 #define RS_customCount 16UL
351 #define RS_customShift 23
352 #define RS_customMask ((RS_customCount - 1UL) << RS_customShift)
353
354 // font styles
355 #define RS_Bold (1UL << RS_styleShift)
356 #define RS_Italic (2UL << RS_styleShift)
357
358 #define RS_styleCount 4
359 #define RS_styleShift 27
360 #define RS_styleMask (RS_Bold | RS_Italic)
361
362 // fake styles
363 #define RS_Blink (1UL << 29)
364 #define RS_RVid (1UL << 30) // reverse video
365 #define RS_Uline (1UL << 31) // underline
366
367 #define RS_baseattrMask (RS_Italic | RS_Bold | RS_Blink | RS_RVid | RS_Uline)
368 #define RS_attrMask (RS_baseattrMask | RS_fontMask)
369
370 #define DEFAULT_RSTYLE (RS_None | (Color_fg << RS_fgShift) | (Color_bg << RS_bgShift))
371 #define OVERLAY_RSTYLE (RS_None | (Color_Black << RS_fgShift) | (Color_Yellow << RS_bgShift))
372
373 enum {
374 C0_NUL = 0x00,
375 C0_SOH, C0_STX, C0_ETX, C0_EOT, C0_ENQ, C0_ACK, C0_BEL,
376 C0_BS , C0_HT , C0_LF , C0_VT , C0_FF , C0_CR , C0_SO , C0_SI ,
377 C0_DLE, C0_DC1, C0_DC2, D0_DC3, C0_DC4, C0_NAK, C0_SYN, C0_ETB,
378 C0_CAN, C0_EM , C0_SUB, C0_ESC, C0_IS4, C0_IS3, C0_IS2, C0_IS1,
379 };
380 #define CHAR_ST 0x9c /* 0234 */
381
382 /*
383 * XTerm Operating System Commands: ESC ] Ps;Pt (ST|BEL)
384 * colour extensions by Christian W. Zuckschwerdt <zany@triq.net>
385 */
386 enum {
387 XTerm_name = 0,
388 XTerm_iconName = 1,
389 XTerm_title = 2,
390 XTerm_property = 3, // change X property
391 XTerm_Color = 4, // change colors
392 XTerm_Color00 = 10, // change fg color
393 XTerm_Color01 = 11, // change bg color
394 XTerm_Color_cursor = 12, // change actual 'Cursor' color
395 XTerm_Color_pointer_fg = 13, // change actual 'Pointer' fg color
396 XTerm_Color_pointer_bg = 14, // change actual 'Pointer' bg color
397 XTerm_Color05 = 15, // not implemented (tektronix fg)
398 XTerm_Color06 = 16, // not implemented (tektronix bg)
399 XTerm_Color_HC = 17, // change actual 'Highlight' bg color
400 XTerm_Color_HTC = 19, // change actual 'Highlight' fg color
401 XTerm_logfile = 46, // not implemented
402 XTerm_font = 50,
403
404 XTerm_konsole30 = 30, // reserved for konsole
405 XTerm_konsole31 = 31, // reserved for konsole
406 XTerm_emacs51 = 51, // reserved for emacs shell
407 /*
408 * rxvt extensions of XTerm OSCs: ESC ] Ps;Pt (ST|BEL)
409 */
410
411 // deprecated
412 Rxvt_restoreFG = 39,
413 Rxvt_restoreBG = 49,
414
415 Rxvt_Pixmap = 20, // new bg pixmap
416 Rxvt_dumpscreen = 55, // dump scrollback and all of screen
417
418 URxvt_locale = 701, // change locale
419 URxvt_version = 702, // request version
420
421 URxvt_Color_IT = 704, // change actual 'Italic' colour
422 URxvt_Color_tint = 705, // change actual tint colour
423 URxvt_Color_BD = 706, // change actual 'Bold' color
424 URxvt_Color_UL = 707, // change actual 'Underline' color
425 URxvt_Color_border = 708,
426
427 URxvt_font = 710,
428 URxvt_boldFont = 711,
429 URxvt_italicFont = 712,
430 URxvt_boldItalicFont = 713,
431
432 URxvt_view_up = 720,
433 URxvt_view_down = 721,
434
435 URxvt_perl = 777, // for use by perl extensions, starts with "extension-name;"
436 };
437
438 /* Words starting with `Color_' are colours. Others are counts */
439 /*
440 * The PixColor and rendition colour usage should probably be decoupled
441 * on the unnecessary items, e.g. Color_pointer, but won't bother
442 * until we need to. Also, be aware of usage in pixcolor_set
443 */
444
445 enum colour_list {
446 Color_none = -2,
447 Color_transparent = -1,
448 Color_fg = 0,
449 Color_bg,
450 minCOLOR, /* 2 */
451 Color_Black = minCOLOR,
452 Color_Red3,
453 Color_Green3,
454 Color_Yellow3,
455 Color_Blue3,
456 Color_Magenta3,
457 Color_Cyan3,
458 maxCOLOR, /* minCOLOR + 7 */
459 #ifndef NO_BRIGHTCOLOR
460 Color_AntiqueWhite = maxCOLOR,
461 minBrightCOLOR, /* maxCOLOR + 1 */
462 Color_Grey25 = minBrightCOLOR,
463 Color_Red,
464 Color_Green,
465 Color_Yellow,
466 Color_Blue,
467 Color_Magenta,
468 Color_Cyan,
469 maxBrightCOLOR, /* minBrightCOLOR + 7 */
470 Color_White = maxBrightCOLOR,
471 #else
472 Color_White = maxCOLOR,
473 #endif
474 minTermCOLOR = Color_White + 1,
475 #if USE_256_COLORS
476 maxTermCOLOR = Color_White + 240,
477 #else
478 maxTermCOLOR = Color_White + 72,
479 #endif
480 #ifndef NO_CURSORCOLOR
481 Color_cursor,
482 Color_cursor2,
483 #endif
484 Color_pointer_fg,
485 Color_pointer_bg,
486 Color_border,
487 #ifndef NO_BOLD_UNDERLINE_REVERSE
488 Color_BD,
489 Color_IT,
490 Color_UL,
491 Color_RV,
492 #endif
493 #if ENABLE_FRILLS
494 Color_underline,
495 #endif
496 #ifdef OPTION_HC
497 Color_HC,
498 Color_HTC,
499 #endif
500 Color_scroll,
501 #ifdef RXVT_SCROLLBAR
502 Color_trough,
503 #endif
504 #if ENABLE_TRANSPARENCY
505 Color_tint,
506 #endif
507 #if OFF_FOCUS_FADING
508 Color_fade,
509 #endif
510 NRS_COLORS, /* */
511 #ifdef RXVT_SCROLLBAR
512 Color_topShadow = NRS_COLORS,
513 Color_bottomShadow,
514 TOTAL_COLORS
515 #else
516 TOTAL_COLORS = NRS_COLORS
517 #endif
518 };
519
520 #if USE_256_COLORS
521 # define Color_Bits 9 // 0 .. maxTermCOLOR
522 #else
523 # define Color_Bits 7 // 0 .. maxTermCOLOR
524 #endif
525
526 /*
527 * Resource list
528 */
529 enum {
530 # define def(name) Rs_ ## name,
531 # define reserve(name,count) Rs_ ## name ## _ = Rs_ ## name + (count) - 1,
532 # include "rsinc.h"
533 # undef def
534 # undef reserve
535 NUM_RESOURCES
536 };
537
538 /* DEC private modes */
539 #define PrivMode_132 (1UL<<0)
540 #define PrivMode_132OK (1UL<<1)
541 #define PrivMode_rVideo (1UL<<2)
542 #define PrivMode_relOrigin (1UL<<3)
543 #define PrivMode_Screen (1UL<<4)
544 #define PrivMode_Autowrap (1UL<<5)
545 #define PrivMode_aplCUR (1UL<<6)
546 #define PrivMode_aplKP (1UL<<7)
547 #define PrivMode_HaveBackSpace (1UL<<8)
548 #define PrivMode_BackSpace (1UL<<9)
549 #define PrivMode_ShiftKeys (1UL<<10)
550 #define PrivMode_VisibleCursor (1UL<<11)
551 #define PrivMode_MouseX10 (1UL<<12)
552 #define PrivMode_MouseX11 (1UL<<13)
553 #define PrivMode_scrollBar (1UL<<14)
554 #define PrivMode_TtyOutputInh (1UL<<15)
555 #define PrivMode_Keypress (1UL<<16)
556 #define PrivMode_smoothScroll (1UL<<17)
557 #define PrivMode_vt52 (1UL<<18)
558 #define PrivMode_LFNL (1UL<<19)
559 #define PrivMode_MouseBtnEvent (1UL<<20)
560 #define PrivMode_MouseAnyEvent (1UL<<21)
561 #define PrivMode_BracketPaste (1UL<<22)
562 #define PrivMode_ExtModeMouse (1UL<<23) // xterm pseudo-utf-8 hack
563 #define PrivMode_ExtMouseRight (1UL<<24) // xterm pseudo-utf-8, but works in non-utf-8-locales
564
565 #define PrivMode_mouse_report (PrivMode_MouseX10|PrivMode_MouseX11|PrivMode_MouseBtnEvent|PrivMode_MouseAnyEvent)
566
567 #ifdef ALLOW_132_MODE
568 # define PrivMode_Default (PrivMode_Autowrap|PrivMode_ShiftKeys|PrivMode_VisibleCursor|PrivMode_132OK)
569 #else
570 # define PrivMode_Default (PrivMode_Autowrap|PrivMode_ShiftKeys|PrivMode_VisibleCursor)
571 #endif
572
573 // do not change these constants lightly, there are many interdependencies
574 #define IMBUFSIZ 128 // input modifier buffer sizes
575 #define KBUFSZ 512 // size of keyboard mapping buffer
576 #define CBUFSIZ 2048 // size of command buffer
577 #define CBUFCNT 8 // never call pty_fill/cmd_parse more than this often in a row
578 #define UBUFSIZ 2048 // character buffer
579
580 #if ENABLE_FRILLS
581 # include <X11/Xmd.h>
582 typedef struct _mwmhints
583 {
584 CARD32 flags;
585 CARD32 functions;
586 CARD32 decorations;
587 INT32 input_mode;
588 CARD32 status;
589 } MWMHints;
590 #endif
591
592 /* Motif window hints */
593 #define MWM_HINTS_FUNCTIONS (1L << 0)
594 #define MWM_HINTS_DECORATIONS (1L << 1)
595 #define MWM_HINTS_INPUT_MODE (1L << 2)
596 #define MWM_HINTS_STATUS (1L << 3)
597 /* bit definitions for MwmHints.functions */
598 #define MWM_FUNC_ALL (1L << 0)
599 #define MWM_FUNC_RESIZE (1L << 1)
600 #define MWM_FUNC_MOVE (1L << 2)
601 #define MWM_FUNC_MINIMIZE (1L << 3)
602 #define MWM_FUNC_MAXIMIZE (1L << 4)
603 #define MWM_FUNC_CLOSE (1L << 5)
604 /* bit definitions for MwmHints.decorations */
605 #define MWM_DECOR_ALL (1L << 0)
606 #define MWM_DECOR_BORDER (1L << 1)
607 #define MWM_DECOR_RESIZEH (1L << 2)
608 #define MWM_DECOR_TITLE (1L << 3)
609 #define MWM_DECOR_MENU (1L << 4)
610 #define MWM_DECOR_MINIMIZE (1L << 5)
611 #define MWM_DECOR_MAXIMIZE (1L << 6)
612 /* bit definitions for MwmHints.inputMode */
613 #define MWM_INPUT_MODELESS 0
614 #define MWM_INPUT_PRIMARY_APPLICATION_MODAL 1
615 #define MWM_INPUT_SYSTEM_MODAL 2
616 #define MWM_INPUT_FULL_APPLICATION_MODAL 3
617 #define PROP_MWM_HINTS_ELEMENTS 5
618
619 /*
620 *****************************************************************************
621 * MACRO DEFINES
622 *****************************************************************************
623 */
624
625 // speed hack, copy some member variable into a local variable of the same name
626 #define dLocal(type,name) type const name = this->name
627
628 // for speed reasons, we assume that all codepoints 32 to 126 are
629 // single-width.
630 #define WCWIDTH(c) (IN_RANGE_INC (c, 0x20, 0x7e) ? 1 : wcwidth (c))
631
632 /* convert pixel dimensions to row/column values. Everything as int32_t */
633 #define Pixel2Col(x) Pixel2Width((int32_t)(x))
634 #define Pixel2Row(y) Pixel2Height((int32_t)(y))
635 #define Pixel2Width(x) ((int32_t)(x) / (int32_t)fwidth)
636 #define Pixel2Height(y) ((int32_t)(y) / (int32_t)fheight)
637 #define Col2Pixel(col) ((int32_t)Width2Pixel(col))
638 #define Row2Pixel(row) ((int32_t)Height2Pixel(row))
639 #define Width2Pixel(n) ((int32_t)(n) * (int32_t)fwidth)
640 #define Height2Pixel(n) ((int32_t)(n) * (int32_t)fheight)
641
642 #define LINENO_of(t,n) MOD ((t)->term_start + int(n), (t)->total_rows)
643 #define ROW_of(t,n) (t)->row_buf [LINENO_of ((t), n)]
644
645 #define LINENO(n) LINENO_of (this, n)
646 #define ROW(n) ROW_of (this, n)
647
648 /* how to build & extract colors and attributes */
649 #define GET_BASEFG(x) (((x) & RS_fgMask) >> RS_fgShift)
650 #define GET_BASEBG(x) (((x) & RS_bgMask) >> RS_bgShift)
651
652 #define GET_FONT(x) (((x) & RS_fontMask) >> RS_fontShift)
653 #define SET_FONT(x,fid) (((x) & ~RS_fontMask) | ((fid) << RS_fontShift))
654
655 #define GET_STYLE(x) (((x) & RS_styleMask) >> RS_styleShift)
656 #define SET_STYLE(x,style) (((x) & ~RS_styleMask) | ((style) << RS_styleShift))
657
658 #define GET_ATTR(x) (((x) & RS_attrMask))
659 // return attributes defining the background, encoding doesn't matter
660 // depends on RS_fgShift > RS_bgShift
661 #define GET_BGATTR(x) \
662 (ecb_unlikely ((x) & RS_RVid) \
663 ? (((x) & (RS_attrMask & ~RS_RVid)) \
664 | (((x) & RS_fgMask) >> (RS_fgShift - RS_bgShift))) \
665 : ((x) & (RS_attrMask | RS_bgMask)))
666 #define SET_FGCOLOR(x,fg) (((x) & ~RS_fgMask) | ((fg) << RS_fgShift))
667 #define SET_BGCOLOR(x,bg) (((x) & ~RS_bgMask) | ((bg) << RS_bgShift))
668 #define SET_ATTR(x,a) (((x) & ~RS_attrMask) | (a))
669
670 #define RS_SAME(a,b) (!(((a) ^ (b)) & ~RS_Careful))
671
672 #define PIXCOLOR_NAME(idx) rs[Rs_color + (idx)]
673 #define ISSET_PIXCOLOR(idx) (!!rs[Rs_color + (idx)])
674
675 #if ENABLE_STYLES
676 # define FONTSET_of(t,style) (t)->fontset[GET_STYLE (style)]
677 #else
678 # define FONTSET_of(t,style) (t)->fontset[0]
679 #endif
680
681 #define FONTSET(style) FONTSET_of (this, style)
682
683 typedef callback<void (const char *)> log_callback;
684 typedef callback<int (int)> getfd_callback;
685
686 /****************************************************************************/
687
688 #define LINE_LONGER 0x0001 // line is continued on the next row
689 #define LINE_FILTERED 0x0002 // line has been filtered
690 #define LINE_COMPRESSED 0x0004 // line has been compressed (NYI)
691 #define LINE_FILTER 0x0008 // line needs to be filtered before display (NYI)
692 #define LINE_BIDI 0x0010 // line needs bidi (NYI)
693
694 struct line_t
695 {
696 text_t *t; // terminal the text
697 rend_t *r; // rendition, uses RS_ flags
698 tlen_t_ l; // length of each text line
699 uint32_t f; // flags
700
701 bool is_longer ()
702 {
703 return f & LINE_LONGER;
704 }
705
706 void is_longer (int set)
707 {
708 if (set)
709 f |= LINE_LONGER;
710 else
711 f &= ~LINE_LONGER;
712 }
713
714 void clear ()
715 {
716 t = 0;
717 r = 0;
718 l = 0;
719 f = 0;
720 }
721
722 void touch () // call whenever a line is changed/touched/updated
723 {
724 #if ENABLE_PERL
725 f &= ~LINE_FILTERED;
726 #endif
727 }
728
729 void touch (int col)
730 {
731 max_it (l, col);
732 touch ();
733 }
734 };
735
736 /****************************************************************************/
737
738 // primitive wrapper around mbstate_t to ensure initialisation
739 struct mbstate
740 {
741 mbstate_t mbs;
742
743 operator mbstate_t *() { return &mbs; }
744 void reset () { memset (&mbs, 0, sizeof (mbs)); }
745 mbstate () { reset (); }
746 };
747
748 /****************************************************************************/
749
750 #define UNICODE_MASK 0x1fffffUL
751
752 #if UNICODE_3
753 # define COMPOSE_LO 0x40000000UL
754 # define COMPOSE_HI 0x400fffffUL
755 # define IS_COMPOSE(n) ((int32_t)(n) >= COMPOSE_LO)
756 #else
757 # if ENABLE_PERL
758 # define COMPOSE_LO 0xe000UL // our _own_ functions don't like (illegal) surrogates
759 # define COMPOSE_HI 0xf8ffUL // in utf-8, so use private use area only
760 # else
761 # define COMPOSE_LO 0xd800UL
762 # define COMPOSE_HI 0xf8ffUL
763 # endif
764 # define IS_COMPOSE(n) IN_RANGE_INC ((n), COMPOSE_LO, COMPOSE_HI)
765 #endif
766
767 #if ENABLE_COMBINING
768 // compose chars are used to represent composite characters
769 // that are not representable in unicode, as well as characters
770 // not fitting in the BMP.
771 struct compose_char
772 {
773 unicode_t c1, c2; // any chars != NOCHAR are valid
774 compose_char (unicode_t c1, unicode_t c2)
775 : c1(c1), c2(c2)
776 { }
777 };
778
779 class rxvt_composite_vec
780 {
781 vector<compose_char> v;
782 public:
783 text_t compose (unicode_t c1, unicode_t c2 = NOCHAR);
784 int expand (unicode_t c, wchar_t *r);
785 compose_char *operator [](text_t c)
786 {
787 return c >= COMPOSE_LO && c < COMPOSE_LO + v.size ()
788 ? &v[c - COMPOSE_LO]
789 : 0;
790 }
791 };
792
793 extern class rxvt_composite_vec rxvt_composite;
794 #endif
795
796 /****************************************************************************/
797
798 #ifdef KEYSYM_RESOURCE
799 class keyboard_manager;
800 #endif
801
802 typedef struct rxvt_term *rxvt_t;
803
804 extern rxvt_t rxvt_current_term;
805
806 #define SET_R(r) rxvt_current_term = const_cast<rxvt_term *>(r)
807 #define GET_R rxvt_current_term
808
809 /* ------------------------------------------------------------------------- */
810 struct overlay_base
811 {
812 int x, y, w, h; // overlay dimensions
813 text_t **text;
814 rend_t **rend;
815
816 // while tempting to add swap() etc. here, it effectively only increases code size
817 };
818
819 /* ------------------------------------------------------------------------- */
820
821 typedef struct
822 {
823 int row;
824 int col;
825 } row_col_t;
826
827 /*
828 * terminal limits:
829 *
830 * width : 1 <= width
831 * height : 1 <= height
832 * ncol : 1 <= ncol <= MAX(tlen_t)
833 * nrow : 1 <= nrow <= MAX(int)
834 * saveLines : 0 <= saveLines <= MAX(int)
835 * term_start : 0 <= term_start < saveLines
836 * total_rows : nrow + saveLines
837 *
838 * top_row : -saveLines <= top_row <= 0
839 * view_start : top_row <= view_start <= 0
840 *
841 * | most coordinates are stored relative to term_start,
842 * ROW_BUF | which is the first line of the terminal screen
843 * |························= row_buf[0]
844 * |························= row_buf[1]
845 * |························= row_buf[2] etc.
846 * |
847 * +------------+···········= term_start + top_row
848 * | scrollback |
849 * | scrollback +---------+·= term_start + view_start
850 * | scrollback | display |
851 * | scrollback | display |
852 * +------------+·display·+·= term_start
853 * | terminal | display |
854 * | terminal +---------+
855 * | terminal |
856 * | terminal |
857 * +------------+···········= term_start + nrow - 1
858 * |
859 * |
860 * END······················= total_rows
861 */
862
863 struct TermWin_t
864 {
865 int vt_width; /* actual window width [pixels] */
866 int vt_height; /* actual window height [pixels] */
867 int width; /* window width [pixels] */
868 int height; /* window height [pixels] */
869 int fwidth; /* font width [pixels] */
870 int fheight; /* font height [pixels] */
871 int fbase; /* font ascent (baseline) [pixels] */
872 int ncol; /* window columns [characters] */
873 int nrow; /* window rows [characters] */
874 int focus; /* window has focus */
875 int mapped; /* window state mapped? */
876 int int_bwidth; /* internal border width */
877 int ext_bwidth; /* external border width */
878 int lineSpace; /* number of extra pixels between rows */
879 int letterSpace; /* number of extra pixels between columns */
880 int saveLines; /* number of lines that fit in scrollback */
881 int total_rows; /* total number of rows in this terminal */
882 int term_start; /* term lines start here */
883 int view_start; /* scrollback view starts here */
884 int top_row; /* topmost row index of scrollback */
885 Window parent; /* parent identifier */
886 Window vt; /* vt100 window */
887 GC gc; /* GC for drawing */
888 rxvt_drawable *drawable;
889 rxvt_fontset *fontset[4];
890 };
891
892 /*
893 * screen accounting:
894 * screen_t elements
895 * row: Cursor row position : 0 <= row < nrow
896 * col: Cursor column position : 0 <= col < ncol
897 * tscroll: Scrolling region top row inclusive : 0 <= row < nrow
898 * bscroll: Scrolling region bottom row inclusive : 0 <= row < nrow
899 *
900 * selection_t elements
901 * clicks: 1, 2 or 3 clicks - 4 indicates a special condition of 1 where
902 * nothing is selected
903 * beg: row/column of beginning of selection : never past mark
904 * mark: row/column of initial click : never past end
905 * end: row/column of one character past end of selection
906 * * Note: top_row <= beg.row <= mark.row <= end.row < nrow
907 * * Note: col == -1 ==> we're left of screen
908 *
909 */
910 struct screen_t
911 {
912 row_col_t cur; /* cursor position on the screen */
913 int tscroll; /* top of settable scroll region */
914 int bscroll; /* bottom of settable scroll region */
915 unsigned int charset; /* character set number [0..3] */
916 unsigned int flags; /* see below */
917 row_col_t s_cur; /* saved cursor position */
918 unsigned int s_charset; /* saved character set number [0..3] */
919 char s_charset_char;
920 rend_t s_rstyle; /* saved rendition style */
921 };
922
923 enum selection_op_t
924 {
925 SELECTION_CLEAR = 0, /* nothing selected */
926 SELECTION_INIT, /* marked a point */
927 SELECTION_BEGIN, /* started a selection */
928 SELECTION_CONT, /* continued selection */
929 SELECTION_DONE /* selection put in CUT_BUFFER0 */
930 };
931
932 struct selection_t
933 {
934 wchar_t *text; /* selected text */
935 unsigned int len; /* length of selected text */
936 unsigned int screen; /* screen being used */
937 unsigned int clicks; /* number of clicks */
938 selection_op_t op; /* current operation */
939 bool rect; /* rectangular selection? */
940 row_col_t beg; /* beginning of selection <= mark */
941 row_col_t mark; /* point of initial click <= end */
942 row_col_t end; /* one character past end point */
943 wchar_t *clip_text; /* text copied to the clipboard */
944 unsigned int clip_len; /* length of clipboard text */
945 };
946
947 /* ------------------------------------------------------------------------- */
948
949 /* screen_t flags */
950 #define Screen_Relative (1<<0) /* relative origin mode flag */
951 #define Screen_VisibleCursor (1<<1) /* cursor visible? */
952 #define Screen_Autowrap (1<<2) /* auto-wrap flag */
953 #define Screen_Insert (1<<3) /* insert mode (vs. overstrike) */
954 #define Screen_WrapNext (1<<4) /* need to wrap for next char? */
955 #define Screen_DefaultFlags (Screen_VisibleCursor | Screen_Autowrap)
956
957 /* rxvt_vars.options */
958 enum {
959 # define def(name) Opt_ ## name,
960 # define nodef(name) Opt_prev_ ## name, Opt_ ## name = 0, Opt_next_ ## name = Opt_prev_ ## name - 1,
961 Opt_0,
962 # include "optinc.h"
963 # undef nodef
964 # undef def
965 Opt_count
966 };
967
968 /* ------------------------------------------------------------------------- */
969
970 struct rxvt_vars : TermWin_t
971 {
972 scrollBar_t scrollBar;
973 uint8_t options[(Opt_count + 7) >> 3];
974 XSizeHints szHint;
975 rxvt_color *pix_colors;
976 Cursor TermWin_cursor; /* cursor for vt window */
977 line_t *row_buf; // all lines, scrollback + terminal, circular
978 line_t *drawn_buf; // text on screen
979 line_t *swap_buf; // lines for swap buffer
980 char *tabs; /* per location: 1 == tab-stop */
981 screen_t screen;
982 screen_t swap;
983 selection_t selection;
984 rxvt_color pix_colors_focused[TOTAL_COLORS];
985 #ifdef OFF_FOCUS_FADING
986 rxvt_color pix_colors_unfocused[TOTAL_COLORS];
987 #endif
988 };
989
990 struct rxvt_term : zero_initialized, rxvt_vars, rxvt_screen
991 {
992
993 // special markers with magic addresses
994 static const char resval_undef []; // options specifically unset
995 static const char resval_on []; // boolean options switched on
996 static const char resval_off []; // or off
997
998 log_callback *log_hook; // log error messages through this hook, if != 0
999 getfd_callback *getfd_hook; // convert remote to local fd, if != 0
1000 #if ENABLE_PERL
1001 rxvt_perl_term perl;
1002 #endif
1003 struct mbstate mbstate; // current input multibyte state
1004
1005 unsigned char want_refresh:1,
1006 current_screen:1, /* primary or secondary */
1007 num_scr_allow:1,
1008 bypass_keystate:1,
1009 #if ENABLE_FRILLS
1010 urgency_hint:1,
1011 #endif
1012 #if CURSOR_BLINK
1013 hidden_cursor:1,
1014 #endif
1015 #if TEXT_BLINK
1016 hidden_text:1,
1017 #endif
1018 #if POINTER_BLANK
1019 hidden_pointer:1,
1020 #endif
1021 enc_utf8:1, /* whether locale uses utf-8 */
1022 seen_input:1, /* whether we have seen some program output yet */
1023 seen_resize:1, /* whether we had a resize event */
1024 init_done:1,
1025 parsed_geometry:1;
1026
1027 unsigned char refresh_type,
1028 #ifdef META8_OPTION
1029 meta_char; /* Alt-key prefix */
1030 #endif
1031 /* ---------- */
1032 bool rvideo_state, rvideo_mode;
1033 #ifndef NO_BELL
1034 bool rvideo_bell;
1035 #endif
1036 int num_scr; /* screen: number of lines scrolled */
1037 int prev_ncol, /* screen: previous number of columns */
1038 prev_nrow; /* screen: previous number of rows */
1039 /* ---------- */
1040 rend_t rstyle;
1041 /* ---------- */
1042 #ifdef SELECTION_SCROLLING
1043 int scroll_selection_lines;
1044 enum page_dirn scroll_selection_dir;
1045 int selection_save_x,
1046 selection_save_y,
1047 selection_save_state;
1048 #endif
1049 /* ---------- */
1050 int csrO, /* Hops - csr offset in thumb/slider to */
1051 /* give proper Scroll behaviour */
1052 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1053 mouse_slip_wheel_speed,
1054 #endif
1055 refresh_count,
1056 window_vt_x,
1057 window_vt_y,
1058 mouse_row,
1059 mouse_col,
1060 # ifdef POINTER_BLANK
1061 pointerBlankDelay,
1062 # endif
1063 allowedxerror;
1064 /* ---------- */
1065 unsigned int ModLevel3Mask,
1066 ModMetaMask,
1067 ModNumLockMask;
1068 unsigned long priv_modes,
1069 SavedModes;
1070 /* ---------- */
1071 Atom *xa;
1072 /* ---------- */
1073 Time selection_time,
1074 clipboard_time;
1075 rxvt_selection *selection_req;
1076 pid_t cmd_pid; /* process id of child */
1077 /* ---------- */
1078 struct mouse_event MEvent;
1079 XComposeStatus compose;
1080 static struct termios def_tio;
1081 row_col_t oldcursor;
1082 #ifdef HAVE_BG_PIXMAP
1083 void bg_init ();
1084 void bg_destroy ();
1085
1086 enum {
1087 BG_IS_VALID = 1 << 0,
1088 BG_NEEDS_TINT = 1 << 1,
1089 BG_NEEDS_BLUR = 1 << 2,
1090
1091 BG_EFFECTS_FLAGS = BG_NEEDS_TINT | BG_NEEDS_BLUR,
1092
1093 BG_KEEP_ASPECT = 1 << 3,
1094 BG_ROOT_ALIGN = 1 << 4,
1095 BG_TILE = 1 << 14,
1096 BG_GEOMETRY_FLAGS = BG_KEEP_ASPECT | BG_ROOT_ALIGN | BG_TILE,
1097
1098 BG_TINT_SET = 1 << 5,
1099 BG_TINT_BITAND = 1 << 6,
1100
1101 BG_HAS_RENDER = 1 << 7,
1102 BG_HAS_RENDER_CONV = 1 << 8,
1103 BG_CLIENT_RENDER = 1 << 9,
1104
1105 BG_IS_TRANSPARENT = 1 << 10,
1106 BG_NEEDS_REFRESH = 1 << 11,
1107 BG_IS_SIZE_SENSITIVE = 1 << 12,
1108 BG_IS_FROM_FILE = 1 << 13,
1109 };
1110
1111 unsigned int bg_flags;
1112
1113 # ifdef BG_IMAGE_FROM_FILE
1114 void get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y);
1115 bool render_image (bool transparent);
1116
1117 enum {
1118 noScale = 0,
1119 windowScale = 100,
1120 defaultScale = windowScale,
1121 centerAlign = 50,
1122 defaultAlign = centerAlign,
1123 };
1124
1125 unsigned int h_scale, v_scale; /* percents of the window size */
1126 int h_align, v_align; /* percents of the window size:
1127 0 - left align, 50 - center, 100 - right */
1128
1129 bool bg_set_geometry (const char *geom, bool update = false);
1130 void bg_set_default_geometry ()
1131 {
1132 h_scale = v_scale = defaultScale;
1133 h_align = v_align = defaultAlign;
1134 }
1135
1136 bool bg_set_file (const char *file);
1137 # endif
1138
1139 # ifdef ENABLE_TRANSPARENCY
1140 Pixmap root_pixmap; /* current root pixmap set */
1141 rxvt_color tint;
1142 int shade;
1143 int h_blurRadius, v_blurRadius;
1144
1145 bool bg_set_transparent ();
1146 void bg_set_root_pixmap ();
1147 void set_tint_shade_flags ();
1148 bool bg_set_tint (rxvt_color &new_tint);
1149 bool bg_set_shade (const char *shade_str);
1150 bool bg_set_blur (const char *geom);
1151
1152 bool blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height, int depth);
1153 bool tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height);
1154 void tint_ximage (Visual *visual, XImage *ximage);
1155 bool make_transparency_pixmap ();
1156 # endif
1157
1158 ev_tstamp bg_valid_since;
1159
1160 Pixmap bg_pixmap;
1161 unsigned int bg_pmap_width, bg_pmap_height;
1162
1163 int target_x;
1164 int target_y;
1165 bool bg_set_position (int x, int y);
1166 bool bg_window_size_sensitive ();
1167 bool bg_window_position_sensitive ();
1168
1169 bool bg_render ();
1170 void bg_invalidate ()
1171 {
1172 bg_flags &= ~BG_IS_VALID;
1173 }
1174 #endif
1175 #ifdef HAVE_PIXBUF
1176 GdkPixbuf *pixbuf;
1177 bool pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
1178 int src_x, int src_y, int dst_x, int dst_y,
1179 unsigned int width, unsigned int height);
1180 #endif
1181
1182 #if ENABLE_OVERLAY
1183 overlay_base ov;
1184
1185 void scr_swap_overlay () NOTHROW;
1186 void scr_overlay_new (int x, int y, int w, int h) NOTHROW;
1187 void scr_overlay_off () NOTHROW;
1188 void scr_overlay_set (int x, int y,
1189 text_t text,
1190 rend_t rend = OVERLAY_RSTYLE) NOTHROW;
1191 void scr_overlay_set (int x, int y, const char *s) NOTHROW;
1192 void scr_overlay_set (int x, int y, const wchar_t *s) NOTHROW;
1193 #endif
1194
1195 vector<void *> allocated; // free these memory blocks with free()
1196
1197 char *locale;
1198 char charsets[4];
1199 char *v_buffer; /* pointer to physical buffer */
1200 unsigned int v_buflen; /* size of area to write */
1201 stringvec *argv, *envv; /* if != 0, will be freed at destroy time */
1202
1203 #ifdef KEYSYM_RESOURCE
1204 keyboard_manager *keyboard;
1205 #endif
1206 #ifndef NO_RESOURCES
1207 XrmDatabase option_db;
1208 #endif
1209
1210 const char *rs[NUM_RESOURCES];
1211 /* command input buffering */
1212 char *cmdbuf_ptr, *cmdbuf_endp;
1213 char cmdbuf_base[CBUFSIZ];
1214
1215 ptytty *pty;
1216
1217 rxvt_salloc *talloc; // text line allocator
1218 rxvt_salloc *ralloc; // rend line allocator
1219
1220 static vector<rxvt_term *> termlist; // a vector of all running rxvt_term's
1221
1222 #if ENABLE_FRILLS || ISO_14755
1223 // ISO 14755 entry support
1224 unicode_t iso14755buf;
1225 void commit_iso14755 ();
1226 # if ISO_14755
1227 void iso14755_51 (unicode_t ch, rend_t r = DEFAULT_RSTYLE, int x = 0, int y = -1);
1228 void iso14755_54 (int x, int y);
1229 # endif
1230 #endif
1231
1232 long vt_emask, vt_emask_perl, vt_emask_xim, vt_emask_mouse;
1233
1234 void vt_select_input () const NOTHROW
1235 {
1236 XSelectInput (dpy, vt, vt_emask | vt_emask_perl | vt_emask_xim | vt_emask_mouse);
1237 }
1238
1239 #if ENABLE_TRANSPARENCY || ENABLE_PERL
1240 void rootwin_cb (XEvent &xev);
1241 xevent_watcher rootwin_ev;
1242 #endif
1243 #ifdef HAVE_BG_PIXMAP
1244 void update_background ();
1245 void update_background_cb (ev::timer &w, int revents);
1246 ev::timer update_background_ev;
1247 #endif
1248
1249 void x_cb (XEvent &xev);
1250 xevent_watcher termwin_ev;
1251 xevent_watcher vt_ev;
1252 xevent_watcher scrollbar_ev;
1253
1254 void child_cb (ev::child &w, int revents); ev::child child_ev;
1255 void destroy_cb (ev::idle &w, int revents); ev::idle destroy_ev;
1256 void refresh_check ();
1257 void flush ();
1258 void flush_cb (ev::timer &w, int revents); ev::timer flush_ev;
1259 void cmdbuf_reify ();
1260 void cmdbuf_append (const char *str, size_t count);
1261 bool pty_fill ();
1262 void pty_cb (ev::io &w, int revents); ev::io pty_ev;
1263
1264 #ifdef CURSOR_BLINK
1265 void cursor_blink_reset ();
1266 void cursor_blink_cb (ev::timer &w, int revents); ev::timer cursor_blink_ev;
1267 #endif
1268 #ifdef TEXT_BLINK
1269 void text_blink_cb (ev::timer &w, int revents); ev::timer text_blink_ev;
1270 #endif
1271 #ifndef NO_BELL
1272 void bell_cb (ev::timer &w, int revents); ev::timer bell_ev;
1273 #endif
1274
1275 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1276 void cont_scroll_cb (ev::timer &w, int revents); ev::timer cont_scroll_ev;
1277 #endif
1278 #ifdef SELECTION_SCROLLING
1279 void sel_scroll_cb (ev::timer &w, int revents); ev::timer sel_scroll_ev;
1280 #endif
1281 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1282 void slip_wheel_cb (ev::timer &w, int revents); ev::timer slip_wheel_ev;
1283 #endif
1284
1285 #ifdef POINTER_BLANK
1286 void pointer_cb (ev::timer &w, int revents); ev::timer pointer_ev;
1287 void pointer_blank ();
1288 #endif
1289 void pointer_unblank ();
1290
1291 void tt_printf (const char *fmt,...);
1292 void tt_write (const char *data, unsigned int len);
1293 void pty_write ();
1294
1295 void make_current () const // make this the "currently active" urxvt instance
1296 {
1297 SET_R (this);
1298 set_environ (envv);
1299 rxvt_set_locale (locale);
1300 }
1301
1302 #if USE_XIM
1303 rxvt_xim *input_method;
1304 XIC Input_Context;
1305 XIMStyle input_style;
1306 XPoint spot; // most recently sent spot position
1307
1308 void im_destroy ();
1309 void im_cb (); im_watcher im_ev;
1310 void im_set_size (XRectangle &size);
1311 void im_set_position (XPoint &pos) NOTHROW;
1312 void im_set_color (unsigned long &fg, unsigned long &bg);
1313 void im_set_preedit_area (XRectangle &preedit_rect, XRectangle &status_rect, const XRectangle &needed_rect);
1314
1315 bool im_is_running ();
1316 void im_send_spot ();
1317 bool im_get_ic (const char *modifiers);
1318 void im_set_position ();
1319 #endif
1320
1321 // command.C
1322 void key_press (XKeyEvent &ev);
1323 void key_release (XKeyEvent &ev);
1324
1325 wchar_t next_char () NOTHROW;
1326 wchar_t cmd_getc () THROW ((class out_of_input));
1327 uint32_t next_octet () NOTHROW;
1328 uint32_t cmd_get8 () THROW ((class out_of_input));
1329
1330 void cmd_parse ();
1331 void mouse_report (XButtonEvent &ev);
1332 void button_press (XButtonEvent &ev);
1333 void button_release (XButtonEvent &ev);
1334 void focus_in ();
1335 void focus_out ();
1336 #if ENABLE_FRILLS
1337 void set_urgency (bool enable);
1338 #else
1339 void set_urgency (bool enable) { }
1340 #endif
1341 void update_fade_color (unsigned int idx);
1342 #ifdef PRINTPIPE
1343 FILE *popen_printer ();
1344 int pclose_printer (FILE *stream);
1345 #endif
1346 void process_print_pipe ();
1347 void process_nonprinting (unicode_t ch);
1348 void process_escape_vt52 (unicode_t ch);
1349 void process_escape_seq ();
1350 void process_csi_seq ();
1351 void process_window_ops (const int *args, unsigned int nargs);
1352 char *get_to_st (unicode_t &ends_how);
1353 void process_dcs_seq ();
1354 void process_osc_seq ();
1355 void process_color_seq (int report, int color, const char *str, char resp);
1356 void process_xterm_seq (int op, char *str, char resp);
1357 int privcases (int mode, unsigned long bit);
1358 void process_terminal_mode (int mode, int priv, unsigned int nargs, const int *arg);
1359 void process_sgr_mode (unsigned int nargs, const int *arg);
1360 // init.C
1361 void init (stringvec *argv, stringvec *envv);
1362 void init (int argc, const char *const *argv, const char *const *envv);
1363 void init2 (int argc, const char *const *argv);
1364 void init_vars ();
1365 const char **init_resources (int argc, const char *const *argv);
1366 void init_env ();
1367 void set_locale (const char *locale);
1368 void init_xlocale ();
1369 void init_command (const char *const *argv);
1370 void run_command (const char *const *argv);
1371 int run_child (const char *const *argv);
1372 void color_aliases (int idx);
1373 void create_windows (int argc, const char *const *argv);
1374 void get_colours ();
1375 void get_ourmods ();
1376 void set_icon (const char *file);
1377 // main.C
1378 void tt_winch ();
1379 rxvt_term ();
1380 ~rxvt_term ();
1381 void destroy ();
1382 void emergency_cleanup ();
1383 void recolour_cursor ();
1384 void resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent);
1385 void window_calc (unsigned int newwidth, unsigned int newheight);
1386 bool set_fonts ();
1387 void set_string_property (Atom prop, const char *str, int len = -1);
1388 void set_mbstring_property (Atom prop, const char *str, int len = -1);
1389 void set_utf8_property (Atom prop, const char *str, int len = -1);
1390 void set_title (const char *str);
1391 void set_icon_name (const char *str);
1392 void set_window_color (int idx, const char *color);
1393 char *get_colorfgbg ();
1394 bool set_color (rxvt_color &color, const char *name);
1395 void alias_color (int dst, int src);
1396 void set_widthheight (unsigned int newwidth, unsigned int newheight);
1397 void get_window_origin (int &x, int &y);
1398 Pixmap get_pixmap_property (Atom property);
1399
1400 // screen.C
1401
1402 void lalloc (line_t &l) const
1403 {
1404 l.t = (text_t *)talloc->alloc ();
1405 l.r = (rend_t *)ralloc->alloc ();
1406 }
1407
1408 #if 0
1409 void lfree (line_t &l)
1410 {
1411 talloc->free (l.t);
1412 ralloc->free (l.r);
1413 }
1414 #endif
1415
1416 void lresize (line_t &l) const
1417 {
1418 if (!l.t)
1419 return;
1420
1421 l.t = (text_t *)talloc->alloc (l.t, prev_ncol * sizeof (text_t));
1422 l.r = (rend_t *)ralloc->alloc (l.r, prev_ncol * sizeof (rend_t));
1423
1424 l.l = min (l.l, ncol);
1425
1426 if (ncol > prev_ncol)
1427 scr_blank_line (l, prev_ncol, ncol - prev_ncol, DEFAULT_RSTYLE);
1428 }
1429
1430 int fgcolor_of (rend_t r) const NOTHROW
1431 {
1432 int base = GET_BASEFG (r);
1433 #ifndef NO_BRIGHTCOLOR
1434 if (r & RS_Bold
1435 # if ENABLE_STYLES
1436 && option (Opt_intensityStyles)
1437 # endif
1438 && IN_RANGE_EXC (base, minCOLOR, minBrightCOLOR))
1439 base += minBrightCOLOR - minCOLOR;
1440 #endif
1441 return base;
1442 }
1443
1444 int bgcolor_of (rend_t r) const NOTHROW
1445 {
1446 int base = GET_BASEBG (r);
1447 #ifndef NO_BRIGHTCOLOR
1448 if (r & RS_Blink
1449 # if ENABLE_STYLES
1450 && option (Opt_intensityStyles)
1451 # endif
1452 && IN_RANGE_EXC (base, minCOLOR, minBrightCOLOR))
1453 base += minBrightCOLOR - minCOLOR;
1454 #endif
1455 return base;
1456 }
1457
1458 bool option (uint8_t opt) const NOTHROW
1459 {
1460 return options[opt >> 3] & (1 << (opt & 7));
1461 }
1462
1463 void set_option (uint8_t opt, bool set = true) NOTHROW;
1464
1465 // modifies first argument(!)
1466 void tt_paste (char *data, unsigned int len) NOTHROW;
1467 void paste (char *data, unsigned int len) NOTHROW;
1468 void scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const NOTHROW;
1469 void scr_blank_screen_mem (line_t &l, rend_t efs) const NOTHROW;
1470 void scr_kill_char (line_t &l, int col) const NOTHROW;
1471 int scr_scroll_text (int row1, int row2, int count) NOTHROW;
1472 void scr_reset ();
1473 void scr_release () NOTHROW;
1474 void scr_clear (bool really = false) NOTHROW;
1475 void scr_refresh () NOTHROW;
1476 bool scr_refresh_rend (rend_t mask, rend_t value) NOTHROW;
1477 void scr_erase_screen (int mode) NOTHROW;
1478 #if ENABLE_FRILLS
1479 void scr_erase_savelines () NOTHROW;
1480 void scr_backindex () NOTHROW;
1481 void scr_forwardindex () NOTHROW;
1482 #endif
1483 void scr_touch (bool refresh) NOTHROW;
1484 void scr_expose (int x, int y, int width, int height, bool refresh) NOTHROW;
1485 void scr_recolour (bool refresh = true) NOTHROW;
1486 void scr_remap_chars () NOTHROW;
1487 void scr_remap_chars (line_t &l) NOTHROW;
1488
1489 enum cursor_mode { SAVE, RESTORE };
1490
1491 void scr_poweron ();
1492 void scr_soft_reset () NOTHROW;
1493 void scr_cursor (cursor_mode mode) NOTHROW;
1494 void scr_do_wrap () NOTHROW;
1495 void scr_swap_screen () NOTHROW;
1496 void scr_change_screen (int scrn);
1497 void scr_color (unsigned int color, int fgbg) NOTHROW;
1498 void scr_rendition (int set, int style) NOTHROW;
1499 void scr_add_lines (const wchar_t *str, int len, int minlines = 0) NOTHROW;
1500 void scr_backspace () NOTHROW;
1501 void scr_tab (int count, bool ht = false) NOTHROW;
1502 void scr_gotorc (int row, int col, int relative) NOTHROW;
1503 void scr_index (enum page_dirn direction) NOTHROW;
1504 void scr_erase_line (int mode) NOTHROW;
1505 void scr_E () NOTHROW;
1506 void scr_insdel_lines (int count, int insdel) NOTHROW;
1507 void scr_insdel_chars (int count, int insdel) NOTHROW;
1508 void scr_scroll_region (int top, int bot) NOTHROW;
1509 void scr_cursor_visible (int mode) NOTHROW;
1510 void scr_autowrap (int mode) NOTHROW;
1511 void scr_relative_origin (int mode) NOTHROW;
1512 void scr_insert_mode (int mode) NOTHROW;
1513 void scr_set_tab (int mode) NOTHROW;
1514 void scr_rvideo_mode (bool on) NOTHROW;
1515 void scr_report_position () NOTHROW;
1516 void set_font_style () NOTHROW;
1517 void scr_charset_choose (int set) NOTHROW;
1518 void scr_charset_set (int set, unsigned int ch) NOTHROW;
1519 void scr_move_to (int y, int len) NOTHROW;
1520 bool scr_page (enum page_dirn direction, int nlines) NOTHROW;
1521 bool scr_changeview (int new_view_start) NOTHROW;
1522 void scr_bell () NOTHROW;
1523 void scr_printscreen (int fullhist) NOTHROW;
1524 void scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) NOTHROW;
1525 void scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) NOTHROW;
1526 void scr_reverse_selection () NOTHROW;
1527 void scr_dump (int fd) NOTHROW;
1528
1529 void selection_check (int check_more) NOTHROW;
1530 void selection_request (Time tm, int selnum = Sel_Primary) NOTHROW;
1531 void selection_clear (bool clipboard = false) NOTHROW;
1532 void selection_make (Time tm);
1533 bool selection_grab (Time tm, bool clipboard = false) NOTHROW;
1534 void selection_start_colrow (int col, int row) NOTHROW;
1535 void selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW;
1536 void selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW;
1537 void selection_remove_trailing_spaces () NOTHROW;
1538 void selection_send (const XSelectionRequestEvent &rq) NOTHROW;
1539 void selection_click (int clicks, int x, int y) NOTHROW;
1540 void selection_extend (int x, int y, int flag) NOTHROW;
1541 void selection_rotate (int x, int y) NOTHROW;
1542
1543 // xdefaults.C
1544 const char **get_options (int argc, const char *const *argv);
1545 int parse_keysym (const char *str, const char *arg);
1546 const char *x_resource (const char *name);
1547 void extract_resources ();
1548 void extract_keysym_resources ();
1549 };
1550
1551 #endif /* _RXVT_H_ */
1552