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/cvs/rxvt-unicode/src/rxvt.h
Revision: 1.353
Committed: Sat Jan 26 15:26:54 2008 UTC (16 years, 5 months ago) by ayin
Content type: text/plain
Branch: MAIN
CVS Tags: rel-9_01
Changes since 1.352: +4 -0 lines
Log Message:
Disable continual scrolling code when rxvt and next styles are not
requested.

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 extern "C" {
34 #include <X11/Xlib.h>
35 #include <X11/Xutil.h>
36 #include <X11/Xresource.h>
37 }
38
39 #if UNICODE_3
40 typedef uint32_t text_t;
41 #else
42 typedef uint16_t text_t; // saves lots of memory
43 #endif
44 typedef uint32_t rend_t;
45 typedef int32_t tlen_t; // was int16_t, but this results in smaller code and memory use
46 typedef int32_t tlen_t_; // specifically for use in the line_t structure
47
48 #include "feature.h"
49
50 #if defined (ISO_14755) || defined (ENABLE_PERL)
51 # define ENABLE_OVERLAY 1
52 #endif
53
54 #if ENABLE_PERL
55 # define ENABLE_FRILLS 1
56 # define ENABLE_COMBINING 1
57 #endif
58
59 #if ENABLE_FRILLS
60 # define ENABLE_XEMBED 1
61 # define ENABLE_EWMH 1
62 # define ENABLE_XIM_ONTHESPOT 1
63 # define CURSOR_BLINK 1
64 # define OPTION_HC 1
65 # define BUILTIN_GLYPHS 1
66 #else
67 # define ENABLE_MINIMAL 1
68 #endif
69
70 #include <limits.h>
71
72 #include <X11/cursorfont.h>
73 #include <X11/keysym.h>
74 #include <X11/keysymdef.h>
75 #include <X11/Xatom.h>
76
77 #include "encoding.h"
78 #include "rxvtutil.h"
79 #include "rxvtfont.h"
80 #include "rxvttoolkit.h"
81 #include "scrollbar.h"
82 #include "ev_cpp.h"
83 #include "salloc.h"
84 #include "libptytty.h"
85
86 #include "rxvtperl.h"
87
88 // try to avoid some macros to decrease code size, on some systems
89 #if ENABLE_MINIMAL
90 # define strcmp(a,b) (strcmp)(a,b)
91 # define strlen(a) (strlen)(a)
92 # define strcpy(a,b) (strcpy)(a,b)
93 # define memset(a,c,l) (memset)(a,c,l)
94 # define memcpy(a,b,l) (memcpy)(a,b,l)
95 #endif
96
97 /*
98 *****************************************************************************
99 * SYSTEM HACKS
100 *****************************************************************************
101 */
102 /* Consistent defines - please report on the necessity
103 * @ Unixware: defines (__svr4__)
104 */
105 #if defined (SVR4) && !defined (__svr4__)
106 # define __svr4__ 1
107 #endif
108 #if defined (sun) && !defined (__sun__)
109 # define __sun__ 1
110 #endif
111
112 #ifndef HAVE_XPOINTER
113 typedef char *XPointer;
114 #endif
115
116 #include <termios.h>
117
118 #include "background.h"
119
120 #ifndef STDIN_FILENO
121 # define STDIN_FILENO 0
122 # define STDOUT_FILENO 1
123 # define STDERR_FILENO 2
124 #endif
125
126 #if !defined (EACCESS) && defined(EAGAIN)
127 # define EACCESS EAGAIN
128 #endif
129
130 #ifndef EXIT_SUCCESS /* missing from <stdlib.h> */
131 # define EXIT_SUCCESS 0 /* exit function success */
132 # define EXIT_FAILURE 1 /* exit function failure */
133 #endif
134
135 #ifndef PATH_MAX
136 # define PATH_MAX 16384
137 #endif
138
139 /****************************************************************************/
140
141 // exception thrown on fatal (per-instance) errors
142 class rxvt_failure_exception { };
143
144 // exception thrown when the command parser runs out of input data
145 class out_of_input { };
146
147 /*
148 *****************************************************************************
149 * PROTOTYPES
150 *****************************************************************************
151 */
152 // main.C
153 #define SET_LOCALE(locale) rxvt_set_locale (locale)
154 extern bool rxvt_set_locale (const char *locale) NOTHROW;
155 extern void rxvt_push_locale (const char *locale) NOTHROW;
156 extern void rxvt_pop_locale () NOTHROW;
157 void rxvt_init ();
158
159 // misc.C
160 char * rxvt_wcstombs (const wchar_t *str, int len = -1);
161 wchar_t * rxvt_mbstowcs (const char *str, int len = -1);
162 char * rxvt_wcstoutf8 (const wchar_t *str, int len = -1);
163 wchar_t * rxvt_utf8towcs (const char *str, int len = -1);
164
165 char * rxvt_basename (const char *str) NOTHROW;
166 void rxvt_vlog (const char *fmt, va_list arg_ptr) NOTHROW;
167 void rxvt_log (const char *fmt,...) NOTHROW;
168 void rxvt_warn (const char *fmt,...) NOTHROW;
169 void rxvt_fatal (const char *fmt, ...) THROW ((class rxvt_failure_exception)) NORETURN;
170 void rxvt_exit_failure () THROW ((class rxvt_failure_exception)) NORETURN;
171
172 char * rxvt_strtrim (char *str) NOTHROW;
173 char ** rxvt_splitcommastring (const char *cs) NOTHROW;
174 void rxvt_freecommastring (char **cs) NOTHROW;
175
176 void * rxvt_malloc (size_t size);
177 void * rxvt_calloc (size_t number, size_t size);
178 void * rxvt_realloc (void *ptr, size_t size);
179
180 /////////////////////////////////////////////////////////////////////////////
181
182 // temporarily replace the process environment
183 extern char **environ;
184 extern char **rxvt_environ; // the original environ pointer
185
186 static inline void
187 set_environ (stringvec *envv)
188 {
189 #if ENABLE_PERL
190 assert (envv);
191 #else
192 if (envv)
193 #endif
194 environ = (char **)envv->begin ();
195 }
196
197 static inline void
198 set_environ (char **envv)
199 {
200 #if ENABLE_PERL
201 assert (envv);
202 #else
203 if (envv)
204 #endif
205 environ = envv;
206 }
207
208 /*
209 *****************************************************************************
210 * STRUCTURES AND TYPEDEFS
211 *****************************************************************************
212 */
213
214 /* If we're using either the rxvt scrollbar, keep the
215 * scrollColor resource.
216 */
217 #if defined(RXVT_SCROLLBAR) || defined(NEXT_SCROLLBAR) || defined(PLAIN_SCROLLBAR)
218 # define KEEP_SCROLLCOLOR 1
219 #else
220 # undef KEEP_SCROLLCOLOR
221 #endif
222
223 /*
224 * the 'essential' information for reporting Mouse Events
225 * pared down from XButtonEvent
226 */
227 struct mouse_event {
228 int clicks;
229 Time time; /* milliseconds */
230 unsigned int state; /* key or button mask */
231 unsigned int button; /* detail */
232 };
233
234 #if ENABLE_XEMBED
235 // XEMBED messages
236 # define XEMBED_EMBEDDED_NOTIFY 0
237 # define XEMBED_WINDOW_ACTIVATE 1
238 # define XEMBED_WINDOW_DEACTIVATE 2
239 # define XEMBED_REQUEST_FOCUS 3
240 # define XEMBED_FOCUS_IN 4
241 # define XEMBED_FOCUS_OUT 5
242 # define XEMBED_FOCUS_NEXT 6
243 # define XEMBED_FOCUS_PREV 7
244
245 # define XEMBED_MODALITY_ON 10
246 # define XEMBED_MODALITY_OFF 11
247 # define XEMBED_REGISTER_ACCELERATOR 12
248 # define XEMBED_UNREGISTER_ACCELERATOR 13
249 # define XEMBED_ACTIVATE_ACCELERATOR 14
250
251 // XEMBED detail code
252 # define XEMBED_FOCUS_CURRENT 0
253 # define XEMBED_FOCUS_FIRST 1
254 # define XEMBED_FOCUS_LAST 2
255
256 # define XEMBED_MAPPED (1 << 0)
257 #endif
258
259 /*
260 *****************************************************************************
261 * NORMAL DEFINES
262 *****************************************************************************
263 */
264
265 /* COLORTERM, TERM environment variables */
266 #define COLORTERMENV "rxvt"
267 #ifdef BG_IMAGE_FROM_FILE
268 # define COLORTERMENVFULL COLORTERMENV "-xpm"
269 #else
270 # define COLORTERMENVFULL COLORTERMENV
271 #endif
272 #ifndef TERMENV
273 # define TERMENV "rxvt-unicode"
274 #endif
275
276 #if defined (NO_MOUSE_REPORT) && !defined (NO_MOUSE_REPORT_SCROLLBAR)
277 # define NO_MOUSE_REPORT_SCROLLBAR 1
278 #endif
279
280 #define scrollBar_esc 30
281
282 #if defined(RXVT_SCROLLBAR) || defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR) || defined(PLAIN_SCROLLBAR)
283 # define HAVE_SCROLLBARS 1
284 #endif
285
286 #if !defined (RXVT_SCROLLBAR) && !defined (NEXT_SCROLLBAR)
287 # define NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING 1
288 #endif
289
290 enum {
291 NO_REFRESH = 0, /* Window not visible at all! */
292 FAST_REFRESH = 1, /* Fully exposed window */
293 SLOW_REFRESH = 2, /* Partially exposed window */
294 };
295
296 #ifdef NO_SECONDARY_SCREEN
297 # define NSCREENS 0
298 #else
299 # define NSCREENS 1
300 #endif
301
302 /* special (internal) prefix for font commands */
303 #define FONT_CMD '#'
304 #define FONT_DN "#-"
305 #define FONT_UP "#+"
306
307 /* flags for rxvt_scr_gotorc () */
308 enum {
309 C_RELATIVE = 1, /* col movement is relative */
310 R_RELATIVE = 2, /* row movement is relative */
311 RELATIVE = C_RELATIVE | R_RELATIVE,
312 };
313
314 /* modes for rxvt_scr_insdel_chars (), rxvt_scr_insdel_lines () */
315 enum {
316 INSERT = -1, /* don't change these values */
317 DELETE = +1,
318 ERASE = +2,
319 };
320
321 /* modes for rxvt_scr_page () - scroll page. used by scrollbar window */
322 enum page_dirn {
323 UP,
324 DN,
325 NO_DIR,
326 };
327
328 /* arguments for rxvt_scr_change_screen () */
329 enum {
330 PRIMARY = 0,
331 SECONDARY,
332 };
333
334 #define RS_None 0
335
336 #define RS_fgMask 0x0000007fUL // 128 colors
337 #define RS_bgMask 0x00003f80UL // 128 colors
338
339 // font styles
340 #define RS_Bold 0x00004000UL // value 1
341 #define RS_Italic 0x00008000UL // value 2
342
343 // fake styles
344 #define RS_Blink 0x00010000UL // blink
345 #define RS_RVid 0x00020000UL // reverse video
346 #define RS_Uline 0x00040000UL // underline
347
348 // toggle this to force redraw, must be != RS_Careful
349 #define RS_redraw 0x01000000UL
350
351 // 5 custom bits for extensions
352 #define RS_customCount 32
353 #define RS_customMask 0x00f80000UL
354 #define RS_customShift 19
355
356 // other flags
357 #define RS_Careful 0x80000000UL /* be careful when drawing these */
358
359 #define RS_styleCount 4
360 #define RS_styleMask (RS_Bold | RS_Italic)
361 #define RS_styleShift 14
362
363 #define RS_baseattrMask (RS_Italic | RS_Bold | RS_Blink | RS_RVid | RS_Uline)
364 #define RS_attrMask (RS_baseattrMask | RS_fontMask)
365
366 #define RS_fontCount 127 // not 127 or 256, see rxvtfont.h
367 #define RS_fontMask 0xff000000UL // plenty(?) of fonts, includes RS_Careful
368 #define RS_fontShift 24
369
370 #define DEFAULT_RSTYLE (RS_None | Color_fg | (Color_bg << Color_Bits))
371 #define OVERLAY_RSTYLE (RS_None | Color_Black | (Color_Yellow << Color_Bits))
372
373 #define Sel_none 0 /* Not waiting */
374 #define Sel_normal 0x01 /* normal selection */
375 #define Sel_incr 0x02 /* incremental selection */
376 #define Sel_direct 0x00
377 #define Sel_Primary 0x01
378 #define Sel_Secondary 0x02
379 #define Sel_Clipboard 0x03
380 #define Sel_whereMask 0x0f
381 #define Sel_CompoundText 0x10 /* last request was COMPOUND_TEXT */
382 #define Sel_UTF8String 0x20 /* last request was UTF8_STRING */
383
384 enum {
385 C0_NUL = 0x00,
386 C0_SOH, C0_STX, C0_ETX, C0_EOT, C0_ENQ, C0_ACK, C0_BEL,
387 C0_BS , C0_HT , C0_LF , C0_VT , C0_FF , C0_CR , C0_SO , C0_SI ,
388 C0_DLE, C0_DC1, C0_DC2, D0_DC3, C0_DC4, C0_NAK, C0_SYN, C0_ETB,
389 C0_CAN, C0_EM , C0_SUB, C0_ESC, C0_IS4, C0_IS3, C0_IS2, C0_IS1,
390 };
391 #define CHAR_ST 0x9c /* 0234 */
392
393 /*
394 * XTerm Operating System Commands: ESC ] Ps;Pt (ST|BEL)
395 * colour extensions by Christian W. Zuckschwerdt <zany@triq.net>
396 */
397 enum {
398 XTerm_name = 0,
399 XTerm_iconName = 1,
400 XTerm_title = 2,
401 XTerm_property = 3, // change X property
402 XTerm_Color = 4, // change colors
403 XTerm_Color00 = 10, // change fg color
404 XTerm_Color01 = 11, // change bg color
405 XTerm_Color_cursor = 12, // change actual 'Cursor' color
406 XTerm_Color_pointer_fg = 13, // change actual 'Pointer' fg color
407 XTerm_Color_pointer_bg = 14, // change actual 'Pointer' bg color
408 XTerm_Color05 = 15, // not implemented (tektronix fg)
409 XTerm_Color06 = 16, // not implemented (tektronix bg)
410 XTerm_Color_RV = 17, // change actual 'Highlight' 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_Color_BD = 18,
423 Rxvt_Color_UL = 19,
424 Rxvt_restoreFG = 39,
425 Rxvt_restoreBG = 49,
426
427 Rxvt_Pixmap = 20, // new bg pixmap
428 Rxvt_dumpscreen = 55, // dump scrollback and all of screen
429
430 URxvt_locale = 701, // change locale
431 URxvt_version = 702, // request version
432
433 URxvt_Color_IT = 704, // change actual 'Italic' colour
434 URxvt_Color_tint = 705, // change actual tint colour
435 URxvt_Color_BD = 706, // change actual 'Bold' color
436 URxvt_Color_UL = 707, // change actual 'Underline' color
437
438 URxvt_font = 710,
439 URxvt_boldFont = 711,
440 URxvt_italicFont = 712,
441 URxvt_boldItalicFont = 713,
442
443 URxvt_view_up = 720,
444 URxvt_view_down = 721,
445
446 URxvt_perl = 777,
447 };
448
449 /* Words starting with `Color_' are colours. Others are counts */
450 /*
451 * The PixColor and rendition colour usage should probably be decoupled
452 * on the unnecessary items, e.g. Color_pointer, but won't bother
453 * until we need to. Also, be aware of usage in pixcolor_set
454 */
455
456 enum colour_list {
457 Color_none = -2,
458 Color_transparent = -1,
459 Color_fg = 0,
460 Color_bg,
461 minCOLOR, /* 2 */
462 Color_Black = minCOLOR,
463 Color_Red3,
464 Color_Green3,
465 Color_Yellow3,
466 Color_Blue3,
467 Color_Magenta3,
468 Color_Cyan3,
469 maxCOLOR, /* minCOLOR + 7 */
470 #ifndef NO_BRIGHTCOLOR
471 Color_AntiqueWhite = maxCOLOR,
472 minBrightCOLOR, /* maxCOLOR + 1 */
473 Color_Grey25 = minBrightCOLOR,
474 Color_Red,
475 Color_Green,
476 Color_Yellow,
477 Color_Blue,
478 Color_Magenta,
479 Color_Cyan,
480 maxBrightCOLOR, /* minBrightCOLOR + 7 */
481 Color_White = maxBrightCOLOR,
482 #else
483 Color_White = maxCOLOR,
484 #endif
485 minTermCOLOR = Color_White + 1,
486 maxTermCOLOR = Color_White + 72,
487 #ifndef NO_CURSORCOLOR
488 Color_cursor,
489 Color_cursor2,
490 #endif
491 Color_pointer_fg,
492 Color_pointer_bg,
493 Color_border,
494 #ifndef NO_BOLD_UNDERLINE_REVERSE
495 Color_BD,
496 Color_IT,
497 Color_UL,
498 Color_RV,
499 #endif
500 #if ENABLE_FRILLS
501 Color_underline,
502 #endif
503 #ifdef OPTION_HC
504 Color_HC,
505 #endif
506 #ifdef KEEP_SCROLLCOLOR
507 Color_scroll,
508 Color_trough,
509 #endif
510 #if ENABLE_TRANSPARENCY
511 Color_tint,
512 #endif
513 #if OFF_FOCUS_FADING
514 Color_fade,
515 #endif
516 NRS_COLORS, /* */
517 #ifdef KEEP_SCROLLCOLOR
518 Color_topShadow = NRS_COLORS,
519 Color_bottomShadow,
520 TOTAL_COLORS
521 #else
522 TOTAL_COLORS = NRS_COLORS
523 #endif
524 };
525
526 #define Color_Bits 7 // 0 .. maxTermCOLOR
527
528 /*
529 * Resource list
530 */
531 enum {
532 # define def(name) Rs_ ## name,
533 # define reserve(name,count) Rs_ ## name ## _ = Rs_ ## name + (count) - 1,
534 # include "rsinc.h"
535 # undef def
536 # undef reserve
537 NUM_RESOURCES
538 };
539
540 /* DEC private modes */
541 #define PrivMode_132 (1UL<<0)
542 #define PrivMode_132OK (1UL<<1)
543 #define PrivMode_rVideo (1UL<<2)
544 #define PrivMode_relOrigin (1UL<<3)
545 #define PrivMode_Screen (1UL<<4)
546 #define PrivMode_Autowrap (1UL<<5)
547 #define PrivMode_aplCUR (1UL<<6)
548 #define PrivMode_aplKP (1UL<<7)
549 #define PrivMode_HaveBackSpace (1UL<<8)
550 #define PrivMode_BackSpace (1UL<<9)
551 #define PrivMode_ShiftKeys (1UL<<10)
552 #define PrivMode_VisibleCursor (1UL<<11)
553 #define PrivMode_MouseX10 (1UL<<12)
554 #define PrivMode_MouseX11 (1UL<<13)
555 #define PrivMode_scrollBar (1UL<<14)
556 #define PrivMode_TtyOutputInh (1UL<<15)
557 #define PrivMode_Keypress (1UL<<16)
558 #define PrivMode_smoothScroll (1UL<<17)
559 #define PrivMode_vt52 (1UL<<18)
560 #define PrivMode_LFNL (1UL<<19)
561 #define PrivMode_MouseBtnEvent (1UL<<20)
562 #define PrivMode_MouseAnyEvent (1UL<<21)
563 #define PrivMode_BracketPaste (1UL<<22)
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 UBUFSIZ 2048 // character buffer
578
579 #if ENABLE_FRILLS
580 # include <X11/Xmd.h>
581 typedef struct _mwmhints {
582 CARD32 flags;
583 CARD32 functions;
584 CARD32 decorations;
585 INT32 input_mode;
586 CARD32 status;
587 } MWMHints;
588 #endif
589
590 /* Motif window hints */
591 #define MWM_HINTS_FUNCTIONS (1L << 0)
592 #define MWM_HINTS_DECORATIONS (1L << 1)
593 #define MWM_HINTS_INPUT_MODE (1L << 2)
594 #define MWM_HINTS_STATUS (1L << 3)
595 /* bit definitions for MwmHints.functions */
596 #define MWM_FUNC_ALL (1L << 0)
597 #define MWM_FUNC_RESIZE (1L << 1)
598 #define MWM_FUNC_MOVE (1L << 2)
599 #define MWM_FUNC_MINIMIZE (1L << 3)
600 #define MWM_FUNC_MAXIMIZE (1L << 4)
601 #define MWM_FUNC_CLOSE (1L << 5)
602 /* bit definitions for MwmHints.decorations */
603 #define MWM_DECOR_ALL (1L << 0)
604 #define MWM_DECOR_BORDER (1L << 1)
605 #define MWM_DECOR_RESIZEH (1L << 2)
606 #define MWM_DECOR_TITLE (1L << 3)
607 #define MWM_DECOR_MENU (1L << 4)
608 #define MWM_DECOR_MINIMIZE (1L << 5)
609 #define MWM_DECOR_MAXIMIZE (1L << 6)
610 /* bit definitions for MwmHints.inputMode */
611 #define MWM_INPUT_MODELESS 0
612 #define MWM_INPUT_PRIMARY_APPLICATION_MODAL 1
613 #define MWM_INPUT_SYSTEM_MODAL 2
614 #define MWM_INPUT_FULL_APPLICATION_MODAL 3
615 #define PROP_MWM_HINTS_ELEMENTS 5
616
617 /*
618 *****************************************************************************
619 * MACRO DEFINES
620 *****************************************************************************
621 */
622 #define dLocal(type,name) type const name = this->name
623
624 // for speed reasons, we assume that all codepoints 32 to 126 are
625 // single-width.
626 #define WCWIDTH(c) (IN_RANGE_INC (c, 0x20, 0x7e) ? 1 : wcwidth (c))
627
628 /* convert pixel dimensions to row/column values. Everything as int32_t */
629 #define Pixel2Col(x) Pixel2Width((int32_t)(x))
630 #define Pixel2Row(y) Pixel2Height((int32_t)(y))
631 #define Pixel2Width(x) ((int32_t)(x) / (int32_t)fwidth)
632 #define Pixel2Height(y) ((int32_t)(y) / (int32_t)fheight)
633 #define Col2Pixel(col) ((int32_t)Width2Pixel(col))
634 #define Row2Pixel(row) ((int32_t)Height2Pixel(row))
635 #define Width2Pixel(n) ((int32_t)(n) * (int32_t)fwidth)
636 #define Height2Pixel(n) ((int32_t)(n) * (int32_t)fheight)
637
638 #define LINENO(n) MOD (term_start + int(n), total_rows)
639 #define ROW(n) row_buf [LINENO (n)]
640
641 /* how to build & extract colors and attributes */
642 #define GET_BASEFG(x) (((x) & RS_fgMask))
643 #define GET_BASEBG(x) (((x) & RS_bgMask)>>Color_Bits)
644
645 #define GET_FONT(x) (((x) & RS_fontMask) >> RS_fontShift)
646 #define SET_FONT(x,fid) (((x) & ~RS_fontMask) | ((fid) << RS_fontShift))
647
648 #define GET_STYLE(x) (((x) & RS_styleMask) >> RS_styleShift)
649 #define SET_STYLE(x,style) (((x) & ~RS_styleMask) | ((style) << RS_styleShift))
650
651 #define GET_ATTR(x) (((x) & RS_attrMask))
652 #define GET_BGATTR(x) \
653 (((x) & RS_RVid) ? (((x) & (RS_attrMask & ~RS_RVid)) \
654 | (((x) & RS_fgMask)<<Color_Bits)) \
655 : ((x) & (RS_attrMask | RS_bgMask)))
656 #define SET_FGCOLOR(x,fg) (((x) & ~RS_fgMask) | (fg))
657 #define SET_BGCOLOR(x,bg) (((x) & ~RS_bgMask) | ((bg)<<Color_Bits))
658 #define SET_ATTR(x,a) (((x) & ~RS_attrMask) | (a))
659
660 #define RS_SAME(a,b) (!(((a) ^ (b)) & ~RS_Careful))
661
662 #define PIXCOLOR_NAME(idx) rs[Rs_color + (idx)]
663 #define ISSET_PIXCOLOR(idx) (!!rs[Rs_color + (idx)])
664
665 #if ENABLE_STYLES
666 # define FONTSET(style) fontset[GET_STYLE (style)]
667 #else
668 # define FONTSET(style) fontset[0]
669 #endif
670
671 typedef callback<void (const char *)> log_callback;
672 typedef callback<int (int)> getfd_callback;
673
674 /****************************************************************************/
675
676 #define LINE_LONGER 0x0001 // line is continued on the next row
677 #define LINE_FILTERED 0x0002 // line has been filtered
678 #define LINE_COMPRESSED 0x0004 // line has been compressed (NYI)
679 #define LINE_FILTER 0x0008 // line needs to be filtered before display (NYI)
680 #define LINE_BIDI 0x0010 // line needs bidi (NYI)
681
682 struct line_t {
683 text_t *t; // terminal the text
684 rend_t *r; // rendition, uses RS_ flags
685 tlen_t_ l; // length of each text line
686 uint32_t f; // flags
687
688 bool is_longer ()
689 {
690 return f & LINE_LONGER;
691 }
692
693 void is_longer (int set)
694 {
695 if (set)
696 f |= LINE_LONGER;
697 else
698 f &= ~LINE_LONGER;
699 }
700
701 void clear ()
702 {
703 t = 0;
704 r = 0;
705 l = 0;
706 f = 0;
707 }
708
709 void touch () // call whenever a line is changed/touched/updated
710 {
711 #if ENABLE_PERL
712 f &= ~LINE_FILTERED;
713 #endif
714 }
715
716 void touch (int col)
717 {
718 max_it (l, col);
719 touch ();
720 }
721 };
722
723 /****************************************************************************/
724
725 // primitive wrapper around mbstate_t to ensure initialisation
726 struct mbstate {
727 mbstate_t mbs;
728
729 operator mbstate_t *() { return &mbs; }
730 void reset () { memset (&mbs, 0, sizeof (mbs)); }
731 mbstate () { reset (); }
732 };
733
734 /****************************************************************************/
735
736 #define UNICODE_MASK 0x1fffffUL
737
738 #if UNICODE_3
739 # define COMPOSE_LO 0x40000000UL
740 # define COMPOSE_HI 0x400fffffUL
741 # define IS_COMPOSE(n) ((int32_t)(n) >= COMPOSE_LO)
742 #else
743 # if ENABLE_PERL
744 # define COMPOSE_LO 0xe000UL // our _own_ functions don't like (illegal) surrogates
745 # define COMPOSE_HI 0xf8ffUL // in utf-8, so use private use area only
746 # else
747 # define COMPOSE_LO 0xd800UL
748 # define COMPOSE_HI 0xf8ffUL
749 # endif
750 # define IS_COMPOSE(n) IN_RANGE_INC ((n), COMPOSE_LO, COMPOSE_HI)
751 #endif
752
753 #if ENABLE_COMBINING
754 // compose chars are used to represent composite characters
755 // that are not representable in unicode, as well as characters
756 // not fitting in the BMP.
757 struct compose_char {
758 unicode_t c1, c2; // any chars != NOCHAR are valid
759 compose_char (unicode_t c1, unicode_t c2)
760 : c1(c1), c2(c2)
761 { }
762 };
763
764 class rxvt_composite_vec {
765 vector<compose_char> v;
766 public:
767 text_t compose (unicode_t c1, unicode_t c2 = NOCHAR);
768 int expand (unicode_t c, wchar_t *r);
769 compose_char *operator [](text_t c)
770 {
771 return c >= COMPOSE_LO && c < COMPOSE_LO + v.size ()
772 ? &v[c - COMPOSE_LO]
773 : 0;
774 }
775 };
776
777 extern class rxvt_composite_vec rxvt_composite;
778 #endif
779
780 /****************************************************************************/
781
782 #ifdef KEYSYM_RESOURCE
783 class keyboard_manager;
784 #endif
785
786 typedef struct rxvt_term *rxvt_t;
787
788 extern rxvt_t rxvt_current_term;
789
790 #define SET_R(r) rxvt_current_term = const_cast<rxvt_term *>(r)
791 #define GET_R rxvt_current_term
792
793 typedef struct {
794 int row;
795 int col;
796 } row_col_t;
797
798 /*
799 * terminal limits:
800 *
801 * width : 1 <= width
802 * height : 1 <= height
803 * ncol : 1 <= ncol <= MAX(tlen_t)
804 * nrow : 1 <= nrow <= MAX(int)
805 * saveLines : 0 <= saveLines <= MAX(int)
806 * term_start : 0 <= term_start < saveLines
807 * total_rows : nrow + saveLines
808 *
809 * top_row : -saveLines <= top_row <= 0
810 * view_start : top_row <= view_start <= 0
811 *
812 * | most coordinates are stored relative to term_start,
813 * ROW_BUF | which is the first line of the terminal screen
814 * |························= row_buf[0]
815 * |························= row_buf[1]
816 * |························= row_buf[2] etc.
817 * |
818 * +------------+···········= term_start + top_row
819 * | scrollback |
820 * | scrollback +---------+·= term_start + view_start
821 * | scrollback | display |
822 * | scrollback | display |
823 * +------------+·display·+·= term_start
824 * | terminal | display |
825 * | terminal +---------+
826 * | terminal |
827 * | terminal |
828 * +------------+···········= term_stat + nrow - 1
829 * |
830 * |
831 * END······················= total_rows
832 */
833
834 struct TermWin_t {
835 int width; /* window width [pixels] */
836 int height; /* window height [pixels] */
837 int fwidth; /* font width [pixels] */
838 int fheight; /* font height [pixels] */
839 int fbase; /* font ascent (baseline) [pixels] */
840 int ncol; /* window columns [characters] */
841 int nrow; /* window rows [characters] */
842 int focus; /* window has focus */
843 int mapped; /* window state mapped? */
844 int int_bwidth; /* internal border width */
845 int ext_bwidth; /* external border width */
846 int lineSpace; /* number of extra pixels between rows */
847 int saveLines; /* number of lines that fit in scrollback */
848 int total_rows; /* total number of rows in this terminal */
849 int term_start; /* term lines start here */
850 int view_start; /* scrollback view starts here */
851 int top_row; /* topmost row index of scrollback */
852 Window parent[6]; /* parent identifiers - we're parent[0] */
853 Window vt; /* vt100 window */
854 GC gc; /* GC for drawing */
855 Pixmap pixmap;
856 rxvt_drawable *drawable;
857 rxvt_fontset *fontset[4];
858 };
859
860 /*
861 * screen accounting:
862 * screen_t elements
863 * row: Cursor row position : 0 <= row < nrow
864 * col: Cursor column position : 0 <= col < ncol
865 * tscroll: Scrolling region top row inclusive : 0 <= row < nrow
866 * bscroll: Scrolling region bottom row inclusive : 0 <= row < nrow
867 *
868 * selection_t elements
869 * clicks: 1, 2 or 3 clicks - 4 indicates a special condition of 1 where
870 * nothing is selected
871 * beg: row/column of beginning of selection : never past mark
872 * mark: row/column of initial click : never past end
873 * end: row/column of one character past end of selection
874 * * Note: -nsaved <= beg.row <= mark.row <= end.row < nrow
875 * * Note: col == -1 ==> we're left of screen
876 *
877 */
878 typedef struct {
879 row_col_t cur; /* cursor position on the screen */
880 int tscroll; /* top of settable scroll region */
881 int bscroll; /* bottom of settable scroll region */
882 unsigned int charset; /* character set number [0..3] */
883 unsigned int flags; /* see below */
884 row_col_t s_cur; /* saved cursor position */
885 unsigned int s_charset; /* saved character set number [0..3] */
886 char s_charset_char;
887 rend_t s_rstyle; /* saved rendition style */
888 } screen_t;
889
890 enum selection_op_t {
891 SELECTION_CLEAR = 0, /* nothing selected */
892 SELECTION_INIT, /* marked a point */
893 SELECTION_BEGIN, /* started a selection */
894 SELECTION_CONT, /* continued selection */
895 SELECTION_DONE /* selection put in CUT_BUFFER0 */
896 };
897
898 typedef struct {
899 wchar_t *text; /* selected text */
900 unsigned int len; /* length of selected text */
901 unsigned int screen; /* screen being used */
902 unsigned int clicks; /* number of clicks */
903 selection_op_t op; /* current operation */
904 bool rect; /* rectangular selection? */
905 row_col_t beg; /* beginning of selection <= mark */
906 row_col_t mark; /* point of initial click <= end */
907 row_col_t end; /* one character past end point */
908 } selection_t;
909
910 /* ------------------------------------------------------------------------- */
911
912 /* screen_t flags */
913 #define Screen_Relative (1<<0) /* relative origin mode flag */
914 #define Screen_VisibleCursor (1<<1) /* cursor visible? */
915 #define Screen_Autowrap (1<<2) /* auto-wrap flag */
916 #define Screen_Insert (1<<3) /* insert mode (vs. overstrike) */
917 #define Screen_WrapNext (1<<4) /* need to wrap for next char? */
918 #define Screen_DefaultFlags (Screen_VisibleCursor | Screen_Autowrap)
919
920 /* rxvt_vars.options */
921 enum {
922 # define def(name,idx) Opt_ ## name = idx,
923 # define nodef(name) Opt_ ## name = 0,
924 # include "optinc.h"
925 # undef nodef
926 # undef def
927 Opt_count
928 };
929
930 /* ------------------------------------------------------------------------- */
931
932 struct rxvt_vars : TermWin_t {
933 scrollBar_t scrollBar;
934 uint8_t options[(Opt_count + 7) >> 3];
935 XSizeHints szHint;
936 rxvt_color *pix_colors;
937 Cursor TermWin_cursor; /* cursor for vt window */
938 int numlock_state;
939 line_t *row_buf; // all lines, scrollback + terminal, circular, followed by temp_buf
940 line_t *drawn_buf; // text on screen
941 line_t *swap_buf; // lines for swap buffer
942 char *tabs; /* per location: 1 == tab-stop */
943 screen_t screen;
944 screen_t swap;
945 selection_t selection;
946 rxvt_color pix_colors_focused[TOTAL_COLORS];
947 #ifdef OFF_FOCUS_FADING
948 rxvt_color pix_colors_unfocused[TOTAL_COLORS];
949 #endif
950 };
951
952 struct rxvt_term : zero_initialized, rxvt_vars, rxvt_screen {
953
954 // special markers with magic addresses
955 static const char resval_undef []; // options specifically unset
956 static const char resval_on []; // boolean options switched on
957 static const char resval_off []; // or off
958
959 log_callback *log_hook; // log error messages through this hook, if != 0
960 getfd_callback *getfd_hook; // convert remote to local fd, if != 0
961 #if ENABLE_PERL
962 rxvt_perl_term perl;
963 #endif
964 struct mbstate mbstate; // current input multibyte state
965
966 unsigned char want_refresh:1,
967 current_screen:1, /* primary or secondary */
968 num_scr_allow:1,
969 bypass_keystate:1,
970 #ifdef CURSOR_BLINK
971 hidden_cursor:1,
972 #endif
973 #ifdef TEXT_BLINK
974 hidden_text:1,
975 #endif
976 #ifdef POINTER_BLANK
977 hidden_pointer:1,
978 #endif
979 enc_utf8:1, /* wether locale uses utf-8 */
980 seen_input:1, /* wether we have seen some program output yet */
981 seen_resize:1, /* wether we had a resize event */
982 parsed_geometry:1;
983
984 unsigned char refresh_type,
985 #ifdef META8_OPTION
986 meta_char, /* Alt-key prefix */
987 #endif
988 selection_wait,
989 selection_type;
990 /* ---------- */
991 bool rvideo_state, rvideo_mode;
992 #ifndef NO_BELL
993 bool rvideo_bell;
994 #endif
995 int num_scr; /* screen: number lines scrolled */
996 int prev_ncol, /* screen: previous number of columns */
997 prev_nrow; /* screen: previous number of rows */
998 /* ---------- */
999 rend_t rstyle;
1000 /* ---------- */
1001 #ifdef SELECTION_SCROLLING
1002 int scroll_selection_lines;
1003 enum page_dirn scroll_selection_dir;
1004 int selection_save_x,
1005 selection_save_y,
1006 selection_save_state;
1007 #endif
1008 /* ---------- */
1009 int csrO, /* Hops - csr offset in thumb/slider to */
1010 /* give proper Scroll behaviour */
1011 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1012 mouse_slip_wheel_speed,
1013 #endif
1014 refresh_count,
1015 window_vt_x,
1016 window_vt_y,
1017 window_sb_x,
1018 mouse_row,
1019 mouse_col,
1020 # ifdef POINTER_BLANK
1021 pointerBlankDelay,
1022 # endif
1023 allowedxerror;
1024 /* ---------- */
1025 unsigned int ModLevel3Mask,
1026 ModMetaMask,
1027 ModNumLockMask;
1028 int old_width, /* last used width in screen resize */
1029 old_height; /* last used height in screen resize */
1030 unsigned long priv_modes,
1031 SavedModes;
1032 /* ---------- */
1033 Atom *xa;
1034 /* ---------- */
1035 #ifdef RXVT_SCROLLBAR
1036 GC scrollbarGC,
1037 topShadowGC,
1038 botShadowGC;
1039 #endif
1040 #ifdef XTERM_SCROLLBAR
1041 GC xscrollbarGC,
1042 ShadowGC;
1043 #endif
1044 #ifdef PLAIN_SCROLLBAR
1045 GC pscrollbarGC;
1046 #endif
1047 #ifdef NEXT_SCROLLBAR
1048 GC blackGC,
1049 whiteGC,
1050 grayGC,
1051 darkGC,
1052 stippleGC;
1053 Pixmap dimple,
1054 upArrow,
1055 downArrow,
1056 upArrowHi,
1057 downArrowHi;
1058 #endif
1059 /* ---------- */
1060 Time selection_time,
1061 selection_request_time;
1062 pid_t cmd_pid; /* process id of child */
1063 char * incr_buf;
1064 size_t incr_buf_size, incr_buf_fill;
1065 /* ---------- */
1066 struct mouse_event MEvent;
1067 XComposeStatus compose;
1068 struct termios tio;
1069 row_col_t oldcursor;
1070 #ifdef HAVE_BG_PIXMAP
1071 bgPixmap_t bgPixmap;
1072 #endif
1073 #ifdef HAVE_AFTERIMAGE
1074 ASVisual *asv;
1075 ASImageManager *asimman;
1076 #endif
1077
1078 #if ENABLE_OVERLAY
1079 int ov_x, ov_y, ov_w, ov_h; // overlay dimensions
1080 text_t **ov_text;
1081 rend_t **ov_rend;
1082
1083 void scr_swap_overlay () NOTHROW;
1084 void scr_overlay_new (int x, int y, int w, int h) NOTHROW;
1085 void scr_overlay_off () NOTHROW;
1086 void scr_overlay_set (int x, int y,
1087 text_t text,
1088 rend_t rend = OVERLAY_RSTYLE) NOTHROW;
1089 void scr_overlay_set (int x, int y, const char *s) NOTHROW;
1090 void scr_overlay_set (int x, int y, const wchar_t *s) NOTHROW;
1091 #endif
1092
1093 vector<void *> allocated; // free these memory blocks with free()
1094
1095 char env_windowid[21]; /* environmental variable WINDOWID */
1096 char env_colorfgbg[sizeof ("COLORFGBG=default;default;bg") + 1];
1097 char *env_display; /* environmental variable DISPLAY */
1098 char *env_term; /* environmental variable TERM */
1099
1100 char *locale;
1101 char charsets[4];
1102 char *v_buffer; /* pointer to physical buffer */
1103 unsigned int v_buflen; /* size of area to write */
1104 stringvec *argv, *envv; /* if != 0, will be freed at destroy time */
1105
1106 #ifdef KEYSYM_RESOURCE
1107 keyboard_manager *keyboard;
1108 #endif
1109 #ifndef NO_RESOURCES
1110 XrmDatabase option_db;
1111 #endif
1112
1113 const char *rs[NUM_RESOURCES];
1114 /* command input buffering */
1115 char *cmdbuf_ptr, *cmdbuf_endp;
1116 char cmdbuf_base[CBUFSIZ];
1117
1118 ptytty *pty;
1119
1120 rxvt_salloc *talloc; // text line allocator
1121 rxvt_salloc *ralloc; // rend line allocator
1122
1123 static vector<rxvt_term *> termlist; // a vector of all running rxvt_term's
1124
1125 #if ENABLE_FRILLS || ISO_14755
1126 // ISO 14755 entry support
1127 unicode_t iso14755buf;
1128 void commit_iso14755 ();
1129 int hex_keyval (XKeyEvent &ev);
1130 # if ISO_14755
1131 void iso14755_51 (unicode_t ch, rend_t r = DEFAULT_RSTYLE, int x = 0, int y = -1);
1132 void iso14755_54 (int x, int y);
1133 # endif
1134 #endif
1135
1136 long vt_emask, vt_emask_perl, vt_emask_xim, vt_emask_mouse;
1137
1138 void vt_select_input () const NOTHROW
1139 {
1140 XSelectInput (dpy, vt, vt_emask | vt_emask_perl | vt_emask_xim | vt_emask_mouse);
1141 }
1142
1143 #if ENABLE_TRANSPARENCY || ENABLE_PERL
1144 void rootwin_cb (XEvent &xev);
1145 xevent_watcher rootwin_ev;
1146 #endif
1147 #ifdef HAVE_BG_PIXMAP
1148 void update_background ();
1149 #if TRACE_PIXMAPS
1150 void trace_update_background (const char *file, int line);
1151 # define update_background() trace_update_background (__FILE__, __LINE__)
1152 #endif
1153 void update_background_cb (ev::timer &w, int revents);
1154 ev::timer update_background_ev;
1155 #endif
1156
1157 void x_cb (XEvent &xev);
1158 xevent_watcher termwin_ev;
1159 xevent_watcher vt_ev;
1160 #ifdef HAVE_SCROLLBARS
1161 xevent_watcher scrollbar_ev;
1162 #endif
1163
1164 void child_cb (ev::child &w, int revents); ev::child child_ev;
1165 void destroy_cb (ev::idle &w, int revents); ev::idle destroy_ev;
1166 void refresh_check ();
1167 void flush ();
1168 void flush_cb (ev::timer &w, int revents); ev::timer flush_ev;
1169 bool pty_fill ();
1170 void pty_cb (ev::io &w, int revents); ev::io pty_ev;
1171 void incr_cb (ev::timer &w, int revents) NOTHROW; ev::timer incr_ev;
1172
1173 #ifdef CURSOR_BLINK
1174 void cursor_blink_cb (ev::timer &w, int revents); ev::timer cursor_blink_ev;
1175 #endif
1176 #ifdef TEXT_BLINK
1177 void text_blink_cb (ev::timer &w, int revents); ev::timer text_blink_ev;
1178 #endif
1179 #ifndef NO_BELL
1180 void bell_cb (ev::timer &w, int revents); ev::timer bell_ev;
1181 #endif
1182
1183 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1184 void cont_scroll_cb (ev::timer &w, int revents); ev::timer cont_scroll_ev;
1185 #endif
1186 #ifdef SELECTION_SCROLLING
1187 void sel_scroll_cb (ev::timer &w, int revents); ev::timer sel_scroll_ev;
1188 #endif
1189 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1190 void slip_wheel_cb (ev::timer &w, int revents); ev::timer slip_wheel_ev;
1191 #endif
1192
1193 #ifdef POINTER_BLANK
1194 void pointer_cb (ev::timer &w, int revents); ev::timer pointer_ev;
1195 void pointer_blank ();
1196 #endif
1197 void pointer_unblank ();
1198
1199 void tt_printf (const char *fmt,...);
1200 void tt_write (const char *data, unsigned int len);
1201 void pty_write ();
1202
1203 void init (stringvec *argv, stringvec *envv)
1204 {
1205 this->argv = argv;
1206 init (argv->size (), argv->begin (), envv);
1207 }
1208
1209 void make_current () const // make this the "currently active" urxvt instance
1210 {
1211 SET_R (this);
1212 set_environ (envv);
1213 rxvt_set_locale (locale);
1214 }
1215
1216 #if USE_XIM
1217 rxvt_xim *input_method;
1218 XIC Input_Context;
1219 XIMStyle input_style;
1220 XPoint spot; // most recently sent spot position
1221
1222 void im_destroy ();
1223 void im_cb (); im_watcher im_ev;
1224 void im_set_size (XRectangle &size);
1225 void im_set_position (XPoint &pos) NOTHROW;
1226 void im_set_color (unsigned long &fg, unsigned long &bg);
1227 void im_set_preedit_area (XRectangle &preedit_rect, XRectangle &status_rect, const XRectangle &needed_rect);
1228
1229 bool IMisRunning ();
1230 void IMSendSpot ();
1231 bool IM_get_IC (const char *modifiers);
1232 void IMSetPosition ();
1233 #endif
1234
1235 // command.C
1236 void key_press (XKeyEvent &ev);
1237 void key_release (XKeyEvent &ev);
1238 unsigned int cmd_write (const char *str, unsigned int count);
1239
1240 wchar_t next_char () NOTHROW;
1241 wchar_t cmd_getc () THROW ((class out_of_input));
1242 uint32_t next_octet () NOTHROW;
1243 uint32_t cmd_get8 () THROW ((class out_of_input));
1244
1245 bool cmd_parse ();
1246 void mouse_report (XButtonEvent &ev);
1247 void button_press (XButtonEvent &ev);
1248 void button_release (XButtonEvent &ev);
1249 void focus_in ();
1250 void focus_out ();
1251 void update_fade_color (unsigned int idx);
1252 #ifdef PRINTPIPE
1253 FILE *popen_printer ();
1254 int pclose_printer (FILE *stream);
1255 #endif
1256 void process_print_pipe ();
1257 void process_nonprinting (unicode_t ch);
1258 void process_escape_vt52 (unicode_t ch);
1259 void process_escape_seq ();
1260 void process_csi_seq ();
1261 void process_window_ops (const int *args, unsigned int nargs);
1262 char *get_to_st (unicode_t &ends_how);
1263 void process_dcs_seq ();
1264 void process_osc_seq ();
1265 void process_color_seq (int report, int color, const char *str, char resp);
1266 void process_xterm_seq (int op, const char *str, char resp);
1267 int privcases (int mode, unsigned long bit);
1268 void process_terminal_mode (int mode, int priv, unsigned int nargs, const int *arg);
1269 void process_sgr_mode (unsigned int nargs, const int *arg);
1270 void process_graphics ();
1271 // init.C
1272 void init_vars ();
1273 const char **init_resources (int argc, const char *const *argv);
1274 void init (int argc, const char *const *argv, stringvec *envv);
1275 void init_env ();
1276 void set_locale (const char *locale);
1277 void init_xlocale ();
1278 void init_command (const char *const *argv);
1279 void run_command (const char *const *argv);
1280 int run_child (const char *const *argv);
1281 void color_aliases (int idx);
1282 void create_windows (int argc, const char *const *argv);
1283 void Get_Colours ();
1284 void get_ourmods ();
1285 // main.C
1286 void tt_winch ();
1287 rxvt_term ();
1288 ~rxvt_term ();
1289 void destroy ();
1290 void emergency_cleanup ();
1291 void recolour_cursor ();
1292 void resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent);
1293 void window_calc (unsigned int newwidth, unsigned int newheight);
1294 bool set_fonts ();
1295 void set_string_property (Atom prop, const char *str, int len = -1);
1296 void set_utf8_property (Atom prop, const char *str, int len = -1);
1297 void set_title (const char *str);
1298 void set_icon_name (const char *str);
1299 void set_window_color (int idx, const char *color);
1300 void set_colorfgbg ();
1301 bool set_color (rxvt_color &color, const char *name);
1302 void alias_color (int dst, int src);
1303 void set_widthheight (unsigned int newwidth, unsigned int newheight);
1304 void get_window_origin (int &x, int &y);
1305 Pixmap get_pixmap_property (int prop_id);
1306
1307 // screen.C
1308
1309 void lalloc (line_t &l) const
1310 {
1311 l.t = (text_t *)talloc->alloc ();
1312 l.r = (rend_t *)ralloc->alloc ();
1313 }
1314
1315 #if 0
1316 void lfree (line_t &l)
1317 {
1318 talloc->free (l.t);
1319 ralloc->free (l.r);
1320 }
1321 #endif
1322
1323 void lresize (line_t &l) const
1324 {
1325 if (!l.t)
1326 return;
1327
1328 l.t = (text_t *)talloc->alloc (l.t, prev_ncol * sizeof (text_t));
1329 l.r = (rend_t *)ralloc->alloc (l.r, prev_ncol * sizeof (rend_t));
1330
1331 l.l = min (l.l, ncol);
1332
1333 if (ncol > prev_ncol)
1334 scr_blank_line (l, prev_ncol, ncol - prev_ncol, DEFAULT_RSTYLE);
1335 }
1336
1337 int fgcolor_of (rend_t r) const NOTHROW
1338 {
1339 int base = GET_BASEFG (r);
1340 #ifndef NO_BRIGHTCOLOR
1341 if (r & RS_Bold
1342 # if ENABLE_STYLES
1343 && option (Opt_intensityStyles)
1344 # endif
1345 && IN_RANGE_INC (base, minCOLOR, minBrightCOLOR))
1346 base += minBrightCOLOR - minCOLOR;
1347 #endif
1348 return base;
1349 }
1350
1351 int bgcolor_of (rend_t r) const NOTHROW
1352 {
1353 int base = GET_BASEBG (r);
1354 #ifndef NO_BRIGHTCOLOR
1355 if (r & RS_Blink
1356 # if ENABLE_STYLES
1357 && option (Opt_intensityStyles)
1358 # endif
1359 && IN_RANGE_INC (base, minCOLOR, minBrightCOLOR))
1360 base += minBrightCOLOR - minCOLOR;
1361 #endif
1362 return base;
1363 }
1364
1365 bool option (uint8_t opt) const NOTHROW
1366 {
1367 if (!opt)
1368 return 0;
1369
1370 --opt;
1371 return options[opt >> 3] & (1 << (opt & 7));
1372 }
1373
1374 void set_option (uint8_t opt, bool set = true) NOTHROW
1375 {
1376 if (!opt)
1377 return;
1378
1379 --opt;
1380 if (set)
1381 options[opt >> 3] |= (1 << (opt & 7));
1382 else
1383 options[opt >> 3] &= ~(1 << (opt & 7));
1384 }
1385
1386 void PrivMode (int set, unsigned bit) NOTHROW
1387 {
1388 if (set)
1389 priv_modes |= bit;
1390 else
1391 priv_modes &= ~bit;
1392 }
1393
1394 // modifies first argument(!)
1395 void paste (char *data, unsigned int len) NOTHROW;
1396 void scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const NOTHROW;
1397 void scr_blank_screen_mem (line_t &l, rend_t efs) const NOTHROW;
1398 int scr_scroll_text (int row1, int row2, int count) NOTHROW;
1399 void scr_reset ();
1400 void scr_release () NOTHROW;
1401 void scr_clear (bool really = false) NOTHROW;
1402 void scr_refresh () NOTHROW;
1403 bool scr_refresh_rend (rend_t mask, rend_t value) NOTHROW;
1404 void scr_erase_screen (int mode) NOTHROW;
1405 #if ENABLE_FRILLS
1406 void scr_erase_savelines () NOTHROW;
1407 void scr_backindex () NOTHROW;
1408 void scr_forwardindex () NOTHROW;
1409 #endif
1410 void scr_touch (bool refresh) NOTHROW;
1411 void scr_expose (int x, int y, int width, int height, bool refresh) NOTHROW;
1412 void scr_recolour () NOTHROW;
1413 void scr_remap_chars () NOTHROW;
1414 void scr_remap_chars (line_t &l) NOTHROW;
1415
1416 enum cursor_mode { SAVE, RESTORE };
1417
1418 void scr_poweron ();
1419 void scr_cursor (cursor_mode mode) NOTHROW;
1420 void scr_do_wrap () NOTHROW;
1421 void scr_swap_screen () NOTHROW;
1422 void scr_change_screen (int scrn);
1423 void scr_color (unsigned int color, int fgbg) NOTHROW;
1424 void scr_rendition (int set, int style) NOTHROW;
1425 void scr_add_lines (const wchar_t *str, int len, int minlines = 0) NOTHROW;
1426 void scr_backspace () NOTHROW;
1427 void scr_tab (int count, bool ht = false) NOTHROW;
1428 void scr_gotorc (int row, int col, int relative) NOTHROW;
1429 void scr_index (enum page_dirn direction) NOTHROW;
1430 void scr_erase_line (int mode) NOTHROW;
1431 void scr_E () NOTHROW;
1432 void scr_insdel_lines (int count, int insdel) NOTHROW;
1433 void scr_insdel_chars (int count, int insdel) NOTHROW;
1434 void scr_scroll_region (int top, int bot) NOTHROW;
1435 void scr_cursor_visible (int mode) NOTHROW;
1436 void scr_autowrap (int mode) NOTHROW;
1437 void scr_relative_origin (int mode) NOTHROW;
1438 void scr_insert_mode (int mode) NOTHROW;
1439 void scr_set_tab (int mode) NOTHROW;
1440 void scr_rvideo_mode (bool on) NOTHROW;
1441 void scr_report_position () NOTHROW;
1442 void set_font_style () NOTHROW;
1443 void scr_charset_choose (int set) NOTHROW;
1444 void scr_charset_set (int set, unsigned int ch) NOTHROW;
1445 void scr_move_to (int y, int len) NOTHROW;
1446 bool scr_page (enum page_dirn direction, int nlines) NOTHROW;
1447 bool scr_changeview (int new_view_start) NOTHROW;
1448 void scr_bell () NOTHROW;
1449 void scr_printscreen (int fullhist) NOTHROW;
1450 void scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) NOTHROW;
1451 void scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) NOTHROW;
1452 void scr_reverse_selection () NOTHROW;
1453 void scr_dump (int fd) NOTHROW;
1454
1455 void selection_check (int check_more) NOTHROW;
1456 void selection_paste (Window win, Atom prop, bool delete_prop) NOTHROW;
1457 void selection_property (Window win, Atom prop) NOTHROW;
1458 void selection_request (Time tm, int selnum = Sel_Primary) NOTHROW;
1459 int selection_request_other (Atom target, int selnum) NOTHROW;
1460 void selection_clear () NOTHROW;
1461 void selection_make (Time tm);
1462 bool selection_grab (Time tm) NOTHROW;
1463 void selection_start_colrow (int col, int row) NOTHROW;
1464 void selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW;
1465 void selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW;
1466 void selection_remove_trailing_spaces () NOTHROW;
1467 void selection_send (const XSelectionRequestEvent &rq) NOTHROW;
1468 void selection_click (int clicks, int x, int y) NOTHROW;
1469 void selection_extend (int x, int y, int flag) NOTHROW;
1470 void selection_rotate (int x, int y) NOTHROW;
1471
1472 #if defined(NEXT_SCROLLBAR)
1473 // scrollbar-next.C
1474 Pixmap renderPixmap (const char *const *data, int width, int height);
1475 void init_scrollbar_stuff ();
1476 void drawBevel (Drawable d, int x1, int y1, int w, int h);
1477 int scrollbar_show_next (int update, int last_top, int last_bot, int scrollbar_len);
1478 #endif
1479
1480 #if defined(RXVT_SCROLLBAR)
1481 // scrollbar-rxvt.C
1482 int scrollbar_show_rxvt (int update, int last_top, int last_bot, int scrollbar_len);
1483 #endif
1484
1485 #if defined(XTERM_SCROLLBAR)
1486 // scrollbar-xterm.C
1487 int scrollbar_show_xterm (int update, int last_top, int last_bot, int scrollbar_len);
1488 #endif
1489
1490 #if defined(PLAIN_SCROLLBAR)
1491 // scrollbar-plain.C
1492 int scrollbar_show_plain (int update, int last_top, int last_bot, int scrollbar_len);
1493 #endif
1494
1495 // scrollbar.C
1496 void resize_scrollbar ();
1497 int scrollbar_mapping (int map);
1498 int scrollbar_show (int update);
1499 void setup_scrollbar (const char *scrollalign, const char *scrollstyle, const char *thickness);
1500
1501 // xdefaults.C
1502 void get_options (int argc, const char *const *argv);
1503 int parse_keysym (const char *str, const char *arg);
1504 const char *x_resource (const char *name);
1505 void extract_resources ();
1506 };
1507
1508 #endif /* _RXVT_H_ */
1509