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/cvs/rxvt-unicode/src/rxvt.h
Revision: 1.356
Committed: Tue Jan 29 14:45:54 2008 UTC (16 years, 3 months ago) by ayin
Content type: text/plain
Branch: MAIN
Changes since 1.355: +0 -1 lines
Log Message:
Make setup_scrollbar a method of scrollBar_t.

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 /*
215 * the 'essential' information for reporting Mouse Events
216 * pared down from XButtonEvent
217 */
218 struct mouse_event {
219 int clicks;
220 Time time; /* milliseconds */
221 unsigned int state; /* key or button mask */
222 unsigned int button; /* detail */
223 };
224
225 #if ENABLE_XEMBED
226 // XEMBED messages
227 # define XEMBED_EMBEDDED_NOTIFY 0
228 # define XEMBED_WINDOW_ACTIVATE 1
229 # define XEMBED_WINDOW_DEACTIVATE 2
230 # define XEMBED_REQUEST_FOCUS 3
231 # define XEMBED_FOCUS_IN 4
232 # define XEMBED_FOCUS_OUT 5
233 # define XEMBED_FOCUS_NEXT 6
234 # define XEMBED_FOCUS_PREV 7
235
236 # define XEMBED_MODALITY_ON 10
237 # define XEMBED_MODALITY_OFF 11
238 # define XEMBED_REGISTER_ACCELERATOR 12
239 # define XEMBED_UNREGISTER_ACCELERATOR 13
240 # define XEMBED_ACTIVATE_ACCELERATOR 14
241
242 // XEMBED detail code
243 # define XEMBED_FOCUS_CURRENT 0
244 # define XEMBED_FOCUS_FIRST 1
245 # define XEMBED_FOCUS_LAST 2
246
247 # define XEMBED_MAPPED (1 << 0)
248 #endif
249
250 /*
251 *****************************************************************************
252 * NORMAL DEFINES
253 *****************************************************************************
254 */
255
256 /* COLORTERM, TERM environment variables */
257 #define COLORTERMENV "rxvt"
258 #ifdef BG_IMAGE_FROM_FILE
259 # define COLORTERMENVFULL COLORTERMENV "-xpm"
260 #else
261 # define COLORTERMENVFULL COLORTERMENV
262 #endif
263 #ifndef TERMENV
264 # define TERMENV "rxvt-unicode"
265 #endif
266
267 #if defined (NO_MOUSE_REPORT) && !defined (NO_MOUSE_REPORT_SCROLLBAR)
268 # define NO_MOUSE_REPORT_SCROLLBAR 1
269 #endif
270
271 #define scrollBar_esc 30
272
273 #if !defined (RXVT_SCROLLBAR) && !defined (NEXT_SCROLLBAR)
274 # define NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING 1
275 #endif
276
277 enum {
278 NO_REFRESH = 0, /* Window not visible at all! */
279 FAST_REFRESH = 1, /* Fully exposed window */
280 SLOW_REFRESH = 2, /* Partially exposed window */
281 };
282
283 #ifdef NO_SECONDARY_SCREEN
284 # define NSCREENS 0
285 #else
286 # define NSCREENS 1
287 #endif
288
289 /* special (internal) prefix for font commands */
290 #define FONT_CMD '#'
291 #define FONT_DN "#-"
292 #define FONT_UP "#+"
293
294 /* flags for rxvt_scr_gotorc () */
295 enum {
296 C_RELATIVE = 1, /* col movement is relative */
297 R_RELATIVE = 2, /* row movement is relative */
298 RELATIVE = C_RELATIVE | R_RELATIVE,
299 };
300
301 /* modes for rxvt_scr_insdel_chars (), rxvt_scr_insdel_lines () */
302 enum {
303 INSERT = -1, /* don't change these values */
304 DELETE = +1,
305 ERASE = +2,
306 };
307
308 /* modes for rxvt_scr_page () - scroll page. used by scrollbar window */
309 enum page_dirn {
310 UP,
311 DN,
312 NO_DIR,
313 };
314
315 /* arguments for rxvt_scr_change_screen () */
316 enum {
317 PRIMARY = 0,
318 SECONDARY,
319 };
320
321 #define RS_None 0
322
323 #define RS_fgMask 0x0000007fUL // 128 colors
324 #define RS_bgMask 0x00003f80UL // 128 colors
325
326 // font styles
327 #define RS_Bold 0x00004000UL // value 1
328 #define RS_Italic 0x00008000UL // value 2
329
330 // fake styles
331 #define RS_Blink 0x00010000UL // blink
332 #define RS_RVid 0x00020000UL // reverse video
333 #define RS_Uline 0x00040000UL // underline
334
335 // toggle this to force redraw, must be != RS_Careful
336 #define RS_redraw 0x01000000UL
337
338 // 5 custom bits for extensions
339 #define RS_customCount 32
340 #define RS_customMask 0x00f80000UL
341 #define RS_customShift 19
342
343 // other flags
344 #define RS_Careful 0x80000000UL /* be careful when drawing these */
345
346 #define RS_styleCount 4
347 #define RS_styleMask (RS_Bold | RS_Italic)
348 #define RS_styleShift 14
349
350 #define RS_baseattrMask (RS_Italic | RS_Bold | RS_Blink | RS_RVid | RS_Uline)
351 #define RS_attrMask (RS_baseattrMask | RS_fontMask)
352
353 #define RS_fontCount 127 // not 127 or 256, see rxvtfont.h
354 #define RS_fontMask 0xff000000UL // plenty(?) of fonts, includes RS_Careful
355 #define RS_fontShift 24
356
357 #define DEFAULT_RSTYLE (RS_None | Color_fg | (Color_bg << Color_Bits))
358 #define OVERLAY_RSTYLE (RS_None | Color_Black | (Color_Yellow << Color_Bits))
359
360 #define Sel_none 0 /* Not waiting */
361 #define Sel_normal 0x01 /* normal selection */
362 #define Sel_incr 0x02 /* incremental selection */
363 #define Sel_direct 0x00
364 #define Sel_Primary 0x01
365 #define Sel_Secondary 0x02
366 #define Sel_Clipboard 0x03
367 #define Sel_whereMask 0x0f
368 #define Sel_CompoundText 0x10 /* last request was COMPOUND_TEXT */
369 #define Sel_UTF8String 0x20 /* last request was UTF8_STRING */
370
371 enum {
372 C0_NUL = 0x00,
373 C0_SOH, C0_STX, C0_ETX, C0_EOT, C0_ENQ, C0_ACK, C0_BEL,
374 C0_BS , C0_HT , C0_LF , C0_VT , C0_FF , C0_CR , C0_SO , C0_SI ,
375 C0_DLE, C0_DC1, C0_DC2, D0_DC3, C0_DC4, C0_NAK, C0_SYN, C0_ETB,
376 C0_CAN, C0_EM , C0_SUB, C0_ESC, C0_IS4, C0_IS3, C0_IS2, C0_IS1,
377 };
378 #define CHAR_ST 0x9c /* 0234 */
379
380 /*
381 * XTerm Operating System Commands: ESC ] Ps;Pt (ST|BEL)
382 * colour extensions by Christian W. Zuckschwerdt <zany@triq.net>
383 */
384 enum {
385 XTerm_name = 0,
386 XTerm_iconName = 1,
387 XTerm_title = 2,
388 XTerm_property = 3, // change X property
389 XTerm_Color = 4, // change colors
390 XTerm_Color00 = 10, // change fg color
391 XTerm_Color01 = 11, // change bg color
392 XTerm_Color_cursor = 12, // change actual 'Cursor' color
393 XTerm_Color_pointer_fg = 13, // change actual 'Pointer' fg color
394 XTerm_Color_pointer_bg = 14, // change actual 'Pointer' bg color
395 XTerm_Color05 = 15, // not implemented (tektronix fg)
396 XTerm_Color06 = 16, // not implemented (tektronix bg)
397 XTerm_Color_RV = 17, // change actual 'Highlight' color
398 XTerm_logfile = 46, // not implemented
399 XTerm_font = 50,
400
401 XTerm_konsole30 = 30, // reserved for konsole
402 XTerm_konsole31 = 31, // reserved for konsole
403 XTerm_emacs51 = 51, // reserved for emacs shell
404 /*
405 * rxvt extensions of XTerm OSCs: ESC ] Ps;Pt (ST|BEL)
406 */
407
408 // deprecated
409 Rxvt_Color_BD = 18,
410 Rxvt_Color_UL = 19,
411 Rxvt_restoreFG = 39,
412 Rxvt_restoreBG = 49,
413
414 Rxvt_Pixmap = 20, // new bg pixmap
415 Rxvt_dumpscreen = 55, // dump scrollback and all of screen
416
417 URxvt_locale = 701, // change locale
418 URxvt_version = 702, // request version
419
420 URxvt_Color_IT = 704, // change actual 'Italic' colour
421 URxvt_Color_tint = 705, // change actual tint colour
422 URxvt_Color_BD = 706, // change actual 'Bold' color
423 URxvt_Color_UL = 707, // change actual 'Underline' color
424
425 URxvt_font = 710,
426 URxvt_boldFont = 711,
427 URxvt_italicFont = 712,
428 URxvt_boldItalicFont = 713,
429
430 URxvt_view_up = 720,
431 URxvt_view_down = 721,
432
433 URxvt_perl = 777,
434 };
435
436 /* Words starting with `Color_' are colours. Others are counts */
437 /*
438 * The PixColor and rendition colour usage should probably be decoupled
439 * on the unnecessary items, e.g. Color_pointer, but won't bother
440 * until we need to. Also, be aware of usage in pixcolor_set
441 */
442
443 enum colour_list {
444 Color_none = -2,
445 Color_transparent = -1,
446 Color_fg = 0,
447 Color_bg,
448 minCOLOR, /* 2 */
449 Color_Black = minCOLOR,
450 Color_Red3,
451 Color_Green3,
452 Color_Yellow3,
453 Color_Blue3,
454 Color_Magenta3,
455 Color_Cyan3,
456 maxCOLOR, /* minCOLOR + 7 */
457 #ifndef NO_BRIGHTCOLOR
458 Color_AntiqueWhite = maxCOLOR,
459 minBrightCOLOR, /* maxCOLOR + 1 */
460 Color_Grey25 = minBrightCOLOR,
461 Color_Red,
462 Color_Green,
463 Color_Yellow,
464 Color_Blue,
465 Color_Magenta,
466 Color_Cyan,
467 maxBrightCOLOR, /* minBrightCOLOR + 7 */
468 Color_White = maxBrightCOLOR,
469 #else
470 Color_White = maxCOLOR,
471 #endif
472 minTermCOLOR = Color_White + 1,
473 maxTermCOLOR = Color_White + 72,
474 #ifndef NO_CURSORCOLOR
475 Color_cursor,
476 Color_cursor2,
477 #endif
478 Color_pointer_fg,
479 Color_pointer_bg,
480 Color_border,
481 #ifndef NO_BOLD_UNDERLINE_REVERSE
482 Color_BD,
483 Color_IT,
484 Color_UL,
485 Color_RV,
486 #endif
487 #if ENABLE_FRILLS
488 Color_underline,
489 #endif
490 #ifdef OPTION_HC
491 Color_HC,
492 #endif
493 Color_scroll,
494 #ifdef RXVT_SCROLLBAR
495 Color_trough,
496 #endif
497 #if ENABLE_TRANSPARENCY
498 Color_tint,
499 #endif
500 #if OFF_FOCUS_FADING
501 Color_fade,
502 #endif
503 NRS_COLORS, /* */
504 #ifdef RXVT_SCROLLBAR
505 Color_topShadow = NRS_COLORS,
506 Color_bottomShadow,
507 TOTAL_COLORS
508 #else
509 TOTAL_COLORS = NRS_COLORS
510 #endif
511 };
512
513 #define Color_Bits 7 // 0 .. maxTermCOLOR
514
515 /*
516 * Resource list
517 */
518 enum {
519 # define def(name) Rs_ ## name,
520 # define reserve(name,count) Rs_ ## name ## _ = Rs_ ## name + (count) - 1,
521 # include "rsinc.h"
522 # undef def
523 # undef reserve
524 NUM_RESOURCES
525 };
526
527 /* DEC private modes */
528 #define PrivMode_132 (1UL<<0)
529 #define PrivMode_132OK (1UL<<1)
530 #define PrivMode_rVideo (1UL<<2)
531 #define PrivMode_relOrigin (1UL<<3)
532 #define PrivMode_Screen (1UL<<4)
533 #define PrivMode_Autowrap (1UL<<5)
534 #define PrivMode_aplCUR (1UL<<6)
535 #define PrivMode_aplKP (1UL<<7)
536 #define PrivMode_HaveBackSpace (1UL<<8)
537 #define PrivMode_BackSpace (1UL<<9)
538 #define PrivMode_ShiftKeys (1UL<<10)
539 #define PrivMode_VisibleCursor (1UL<<11)
540 #define PrivMode_MouseX10 (1UL<<12)
541 #define PrivMode_MouseX11 (1UL<<13)
542 #define PrivMode_scrollBar (1UL<<14)
543 #define PrivMode_TtyOutputInh (1UL<<15)
544 #define PrivMode_Keypress (1UL<<16)
545 #define PrivMode_smoothScroll (1UL<<17)
546 #define PrivMode_vt52 (1UL<<18)
547 #define PrivMode_LFNL (1UL<<19)
548 #define PrivMode_MouseBtnEvent (1UL<<20)
549 #define PrivMode_MouseAnyEvent (1UL<<21)
550 #define PrivMode_BracketPaste (1UL<<22)
551
552 #define PrivMode_mouse_report (PrivMode_MouseX10|PrivMode_MouseX11|PrivMode_MouseBtnEvent|PrivMode_MouseAnyEvent)
553
554 #ifdef ALLOW_132_MODE
555 # define PrivMode_Default (PrivMode_Autowrap|PrivMode_ShiftKeys|PrivMode_VisibleCursor|PrivMode_132OK)
556 #else
557 # define PrivMode_Default (PrivMode_Autowrap|PrivMode_ShiftKeys|PrivMode_VisibleCursor)
558 #endif
559
560 // do not change these constants lightly, there are many interdependencies
561 #define IMBUFSIZ 128 // input modifier buffer sizes
562 #define KBUFSZ 512 // size of keyboard mapping buffer
563 #define CBUFSIZ 2048 // size of command buffer
564 #define UBUFSIZ 2048 // character buffer
565
566 #if ENABLE_FRILLS
567 # include <X11/Xmd.h>
568 typedef struct _mwmhints {
569 CARD32 flags;
570 CARD32 functions;
571 CARD32 decorations;
572 INT32 input_mode;
573 CARD32 status;
574 } MWMHints;
575 #endif
576
577 /* Motif window hints */
578 #define MWM_HINTS_FUNCTIONS (1L << 0)
579 #define MWM_HINTS_DECORATIONS (1L << 1)
580 #define MWM_HINTS_INPUT_MODE (1L << 2)
581 #define MWM_HINTS_STATUS (1L << 3)
582 /* bit definitions for MwmHints.functions */
583 #define MWM_FUNC_ALL (1L << 0)
584 #define MWM_FUNC_RESIZE (1L << 1)
585 #define MWM_FUNC_MOVE (1L << 2)
586 #define MWM_FUNC_MINIMIZE (1L << 3)
587 #define MWM_FUNC_MAXIMIZE (1L << 4)
588 #define MWM_FUNC_CLOSE (1L << 5)
589 /* bit definitions for MwmHints.decorations */
590 #define MWM_DECOR_ALL (1L << 0)
591 #define MWM_DECOR_BORDER (1L << 1)
592 #define MWM_DECOR_RESIZEH (1L << 2)
593 #define MWM_DECOR_TITLE (1L << 3)
594 #define MWM_DECOR_MENU (1L << 4)
595 #define MWM_DECOR_MINIMIZE (1L << 5)
596 #define MWM_DECOR_MAXIMIZE (1L << 6)
597 /* bit definitions for MwmHints.inputMode */
598 #define MWM_INPUT_MODELESS 0
599 #define MWM_INPUT_PRIMARY_APPLICATION_MODAL 1
600 #define MWM_INPUT_SYSTEM_MODAL 2
601 #define MWM_INPUT_FULL_APPLICATION_MODAL 3
602 #define PROP_MWM_HINTS_ELEMENTS 5
603
604 /*
605 *****************************************************************************
606 * MACRO DEFINES
607 *****************************************************************************
608 */
609 #define dLocal(type,name) type const name = this->name
610
611 // for speed reasons, we assume that all codepoints 32 to 126 are
612 // single-width.
613 #define WCWIDTH(c) (IN_RANGE_INC (c, 0x20, 0x7e) ? 1 : wcwidth (c))
614
615 /* convert pixel dimensions to row/column values. Everything as int32_t */
616 #define Pixel2Col(x) Pixel2Width((int32_t)(x))
617 #define Pixel2Row(y) Pixel2Height((int32_t)(y))
618 #define Pixel2Width(x) ((int32_t)(x) / (int32_t)fwidth)
619 #define Pixel2Height(y) ((int32_t)(y) / (int32_t)fheight)
620 #define Col2Pixel(col) ((int32_t)Width2Pixel(col))
621 #define Row2Pixel(row) ((int32_t)Height2Pixel(row))
622 #define Width2Pixel(n) ((int32_t)(n) * (int32_t)fwidth)
623 #define Height2Pixel(n) ((int32_t)(n) * (int32_t)fheight)
624
625 #define LINENO(n) MOD (term_start + int(n), total_rows)
626 #define ROW(n) row_buf [LINENO (n)]
627
628 /* how to build & extract colors and attributes */
629 #define GET_BASEFG(x) (((x) & RS_fgMask))
630 #define GET_BASEBG(x) (((x) & RS_bgMask)>>Color_Bits)
631
632 #define GET_FONT(x) (((x) & RS_fontMask) >> RS_fontShift)
633 #define SET_FONT(x,fid) (((x) & ~RS_fontMask) | ((fid) << RS_fontShift))
634
635 #define GET_STYLE(x) (((x) & RS_styleMask) >> RS_styleShift)
636 #define SET_STYLE(x,style) (((x) & ~RS_styleMask) | ((style) << RS_styleShift))
637
638 #define GET_ATTR(x) (((x) & RS_attrMask))
639 #define GET_BGATTR(x) \
640 (((x) & RS_RVid) ? (((x) & (RS_attrMask & ~RS_RVid)) \
641 | (((x) & RS_fgMask)<<Color_Bits)) \
642 : ((x) & (RS_attrMask | RS_bgMask)))
643 #define SET_FGCOLOR(x,fg) (((x) & ~RS_fgMask) | (fg))
644 #define SET_BGCOLOR(x,bg) (((x) & ~RS_bgMask) | ((bg)<<Color_Bits))
645 #define SET_ATTR(x,a) (((x) & ~RS_attrMask) | (a))
646
647 #define RS_SAME(a,b) (!(((a) ^ (b)) & ~RS_Careful))
648
649 #define PIXCOLOR_NAME(idx) rs[Rs_color + (idx)]
650 #define ISSET_PIXCOLOR(idx) (!!rs[Rs_color + (idx)])
651
652 #if ENABLE_STYLES
653 # define FONTSET(style) fontset[GET_STYLE (style)]
654 #else
655 # define FONTSET(style) fontset[0]
656 #endif
657
658 typedef callback<void (const char *)> log_callback;
659 typedef callback<int (int)> getfd_callback;
660
661 /****************************************************************************/
662
663 #define LINE_LONGER 0x0001 // line is continued on the next row
664 #define LINE_FILTERED 0x0002 // line has been filtered
665 #define LINE_COMPRESSED 0x0004 // line has been compressed (NYI)
666 #define LINE_FILTER 0x0008 // line needs to be filtered before display (NYI)
667 #define LINE_BIDI 0x0010 // line needs bidi (NYI)
668
669 struct line_t {
670 text_t *t; // terminal the text
671 rend_t *r; // rendition, uses RS_ flags
672 tlen_t_ l; // length of each text line
673 uint32_t f; // flags
674
675 bool is_longer ()
676 {
677 return f & LINE_LONGER;
678 }
679
680 void is_longer (int set)
681 {
682 if (set)
683 f |= LINE_LONGER;
684 else
685 f &= ~LINE_LONGER;
686 }
687
688 void clear ()
689 {
690 t = 0;
691 r = 0;
692 l = 0;
693 f = 0;
694 }
695
696 void touch () // call whenever a line is changed/touched/updated
697 {
698 #if ENABLE_PERL
699 f &= ~LINE_FILTERED;
700 #endif
701 }
702
703 void touch (int col)
704 {
705 max_it (l, col);
706 touch ();
707 }
708 };
709
710 /****************************************************************************/
711
712 // primitive wrapper around mbstate_t to ensure initialisation
713 struct mbstate {
714 mbstate_t mbs;
715
716 operator mbstate_t *() { return &mbs; }
717 void reset () { memset (&mbs, 0, sizeof (mbs)); }
718 mbstate () { reset (); }
719 };
720
721 /****************************************************************************/
722
723 #define UNICODE_MASK 0x1fffffUL
724
725 #if UNICODE_3
726 # define COMPOSE_LO 0x40000000UL
727 # define COMPOSE_HI 0x400fffffUL
728 # define IS_COMPOSE(n) ((int32_t)(n) >= COMPOSE_LO)
729 #else
730 # if ENABLE_PERL
731 # define COMPOSE_LO 0xe000UL // our _own_ functions don't like (illegal) surrogates
732 # define COMPOSE_HI 0xf8ffUL // in utf-8, so use private use area only
733 # else
734 # define COMPOSE_LO 0xd800UL
735 # define COMPOSE_HI 0xf8ffUL
736 # endif
737 # define IS_COMPOSE(n) IN_RANGE_INC ((n), COMPOSE_LO, COMPOSE_HI)
738 #endif
739
740 #if ENABLE_COMBINING
741 // compose chars are used to represent composite characters
742 // that are not representable in unicode, as well as characters
743 // not fitting in the BMP.
744 struct compose_char {
745 unicode_t c1, c2; // any chars != NOCHAR are valid
746 compose_char (unicode_t c1, unicode_t c2)
747 : c1(c1), c2(c2)
748 { }
749 };
750
751 class rxvt_composite_vec {
752 vector<compose_char> v;
753 public:
754 text_t compose (unicode_t c1, unicode_t c2 = NOCHAR);
755 int expand (unicode_t c, wchar_t *r);
756 compose_char *operator [](text_t c)
757 {
758 return c >= COMPOSE_LO && c < COMPOSE_LO + v.size ()
759 ? &v[c - COMPOSE_LO]
760 : 0;
761 }
762 };
763
764 extern class rxvt_composite_vec rxvt_composite;
765 #endif
766
767 /****************************************************************************/
768
769 #ifdef KEYSYM_RESOURCE
770 class keyboard_manager;
771 #endif
772
773 typedef struct rxvt_term *rxvt_t;
774
775 extern rxvt_t rxvt_current_term;
776
777 #define SET_R(r) rxvt_current_term = const_cast<rxvt_term *>(r)
778 #define GET_R rxvt_current_term
779
780 typedef struct {
781 int row;
782 int col;
783 } row_col_t;
784
785 /*
786 * terminal limits:
787 *
788 * width : 1 <= width
789 * height : 1 <= height
790 * ncol : 1 <= ncol <= MAX(tlen_t)
791 * nrow : 1 <= nrow <= MAX(int)
792 * saveLines : 0 <= saveLines <= MAX(int)
793 * term_start : 0 <= term_start < saveLines
794 * total_rows : nrow + saveLines
795 *
796 * top_row : -saveLines <= top_row <= 0
797 * view_start : top_row <= view_start <= 0
798 *
799 * | most coordinates are stored relative to term_start,
800 * ROW_BUF | which is the first line of the terminal screen
801 * |························= row_buf[0]
802 * |························= row_buf[1]
803 * |························= row_buf[2] etc.
804 * |
805 * +------------+···········= term_start + top_row
806 * | scrollback |
807 * | scrollback +---------+·= term_start + view_start
808 * | scrollback | display |
809 * | scrollback | display |
810 * +------------+·display·+·= term_start
811 * | terminal | display |
812 * | terminal +---------+
813 * | terminal |
814 * | terminal |
815 * +------------+···········= term_stat + nrow - 1
816 * |
817 * |
818 * END······················= total_rows
819 */
820
821 struct TermWin_t {
822 int width; /* window width [pixels] */
823 int height; /* window height [pixels] */
824 int fwidth; /* font width [pixels] */
825 int fheight; /* font height [pixels] */
826 int fbase; /* font ascent (baseline) [pixels] */
827 int ncol; /* window columns [characters] */
828 int nrow; /* window rows [characters] */
829 int focus; /* window has focus */
830 int mapped; /* window state mapped? */
831 int int_bwidth; /* internal border width */
832 int ext_bwidth; /* external border width */
833 int lineSpace; /* number of extra pixels between rows */
834 int saveLines; /* number of lines that fit in scrollback */
835 int total_rows; /* total number of rows in this terminal */
836 int term_start; /* term lines start here */
837 int view_start; /* scrollback view starts here */
838 int top_row; /* topmost row index of scrollback */
839 Window parent[6]; /* parent identifiers - we're parent[0] */
840 Window vt; /* vt100 window */
841 GC gc; /* GC for drawing */
842 Pixmap pixmap;
843 rxvt_drawable *drawable;
844 rxvt_fontset *fontset[4];
845 };
846
847 /*
848 * screen accounting:
849 * screen_t elements
850 * row: Cursor row position : 0 <= row < nrow
851 * col: Cursor column position : 0 <= col < ncol
852 * tscroll: Scrolling region top row inclusive : 0 <= row < nrow
853 * bscroll: Scrolling region bottom row inclusive : 0 <= row < nrow
854 *
855 * selection_t elements
856 * clicks: 1, 2 or 3 clicks - 4 indicates a special condition of 1 where
857 * nothing is selected
858 * beg: row/column of beginning of selection : never past mark
859 * mark: row/column of initial click : never past end
860 * end: row/column of one character past end of selection
861 * * Note: -nsaved <= beg.row <= mark.row <= end.row < nrow
862 * * Note: col == -1 ==> we're left of screen
863 *
864 */
865 typedef struct {
866 row_col_t cur; /* cursor position on the screen */
867 int tscroll; /* top of settable scroll region */
868 int bscroll; /* bottom of settable scroll region */
869 unsigned int charset; /* character set number [0..3] */
870 unsigned int flags; /* see below */
871 row_col_t s_cur; /* saved cursor position */
872 unsigned int s_charset; /* saved character set number [0..3] */
873 char s_charset_char;
874 rend_t s_rstyle; /* saved rendition style */
875 } screen_t;
876
877 enum selection_op_t {
878 SELECTION_CLEAR = 0, /* nothing selected */
879 SELECTION_INIT, /* marked a point */
880 SELECTION_BEGIN, /* started a selection */
881 SELECTION_CONT, /* continued selection */
882 SELECTION_DONE /* selection put in CUT_BUFFER0 */
883 };
884
885 typedef struct {
886 wchar_t *text; /* selected text */
887 unsigned int len; /* length of selected text */
888 unsigned int screen; /* screen being used */
889 unsigned int clicks; /* number of clicks */
890 selection_op_t op; /* current operation */
891 bool rect; /* rectangular selection? */
892 row_col_t beg; /* beginning of selection <= mark */
893 row_col_t mark; /* point of initial click <= end */
894 row_col_t end; /* one character past end point */
895 } selection_t;
896
897 /* ------------------------------------------------------------------------- */
898
899 /* screen_t flags */
900 #define Screen_Relative (1<<0) /* relative origin mode flag */
901 #define Screen_VisibleCursor (1<<1) /* cursor visible? */
902 #define Screen_Autowrap (1<<2) /* auto-wrap flag */
903 #define Screen_Insert (1<<3) /* insert mode (vs. overstrike) */
904 #define Screen_WrapNext (1<<4) /* need to wrap for next char? */
905 #define Screen_DefaultFlags (Screen_VisibleCursor | Screen_Autowrap)
906
907 /* rxvt_vars.options */
908 enum {
909 # define def(name,idx) Opt_ ## name = idx,
910 # define nodef(name) Opt_ ## name = 0,
911 # include "optinc.h"
912 # undef nodef
913 # undef def
914 Opt_count
915 };
916
917 /* ------------------------------------------------------------------------- */
918
919 struct rxvt_vars : TermWin_t {
920 scrollBar_t scrollBar;
921 uint8_t options[(Opt_count + 7) >> 3];
922 XSizeHints szHint;
923 rxvt_color *pix_colors;
924 Cursor TermWin_cursor; /* cursor for vt window */
925 int numlock_state;
926 line_t *row_buf; // all lines, scrollback + terminal, circular, followed by temp_buf
927 line_t *drawn_buf; // text on screen
928 line_t *swap_buf; // lines for swap buffer
929 char *tabs; /* per location: 1 == tab-stop */
930 screen_t screen;
931 screen_t swap;
932 selection_t selection;
933 rxvt_color pix_colors_focused[TOTAL_COLORS];
934 #ifdef OFF_FOCUS_FADING
935 rxvt_color pix_colors_unfocused[TOTAL_COLORS];
936 #endif
937 };
938
939 struct rxvt_term : zero_initialized, rxvt_vars, rxvt_screen {
940
941 // special markers with magic addresses
942 static const char resval_undef []; // options specifically unset
943 static const char resval_on []; // boolean options switched on
944 static const char resval_off []; // or off
945
946 log_callback *log_hook; // log error messages through this hook, if != 0
947 getfd_callback *getfd_hook; // convert remote to local fd, if != 0
948 #if ENABLE_PERL
949 rxvt_perl_term perl;
950 #endif
951 struct mbstate mbstate; // current input multibyte state
952
953 unsigned char want_refresh:1,
954 current_screen:1, /* primary or secondary */
955 num_scr_allow:1,
956 bypass_keystate:1,
957 #ifdef CURSOR_BLINK
958 hidden_cursor:1,
959 #endif
960 #ifdef TEXT_BLINK
961 hidden_text:1,
962 #endif
963 #ifdef POINTER_BLANK
964 hidden_pointer:1,
965 #endif
966 enc_utf8:1, /* wether locale uses utf-8 */
967 seen_input:1, /* wether we have seen some program output yet */
968 seen_resize:1, /* wether we had a resize event */
969 parsed_geometry:1;
970
971 unsigned char refresh_type,
972 #ifdef META8_OPTION
973 meta_char, /* Alt-key prefix */
974 #endif
975 selection_wait,
976 selection_type;
977 /* ---------- */
978 bool rvideo_state, rvideo_mode;
979 #ifndef NO_BELL
980 bool rvideo_bell;
981 #endif
982 int num_scr; /* screen: number lines scrolled */
983 int prev_ncol, /* screen: previous number of columns */
984 prev_nrow; /* screen: previous number of rows */
985 /* ---------- */
986 rend_t rstyle;
987 /* ---------- */
988 #ifdef SELECTION_SCROLLING
989 int scroll_selection_lines;
990 enum page_dirn scroll_selection_dir;
991 int selection_save_x,
992 selection_save_y,
993 selection_save_state;
994 #endif
995 /* ---------- */
996 int csrO, /* Hops - csr offset in thumb/slider to */
997 /* give proper Scroll behaviour */
998 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
999 mouse_slip_wheel_speed,
1000 #endif
1001 refresh_count,
1002 window_vt_x,
1003 window_vt_y,
1004 window_sb_x,
1005 mouse_row,
1006 mouse_col,
1007 # ifdef POINTER_BLANK
1008 pointerBlankDelay,
1009 # endif
1010 allowedxerror;
1011 /* ---------- */
1012 unsigned int ModLevel3Mask,
1013 ModMetaMask,
1014 ModNumLockMask;
1015 int old_width, /* last used width in screen resize */
1016 old_height; /* last used height in screen resize */
1017 unsigned long priv_modes,
1018 SavedModes;
1019 /* ---------- */
1020 Atom *xa;
1021 /* ---------- */
1022 #ifdef RXVT_SCROLLBAR
1023 GC scrollbarGC,
1024 topShadowGC,
1025 botShadowGC;
1026 #endif
1027 #ifdef XTERM_SCROLLBAR
1028 GC xscrollbarGC,
1029 ShadowGC;
1030 #endif
1031 #ifdef PLAIN_SCROLLBAR
1032 GC pscrollbarGC;
1033 #endif
1034 #ifdef NEXT_SCROLLBAR
1035 GC blackGC,
1036 whiteGC,
1037 grayGC,
1038 darkGC,
1039 stippleGC;
1040 Pixmap dimple,
1041 upArrow,
1042 downArrow,
1043 upArrowHi,
1044 downArrowHi;
1045 #endif
1046 /* ---------- */
1047 Time selection_time,
1048 selection_request_time;
1049 pid_t cmd_pid; /* process id of child */
1050 char * incr_buf;
1051 size_t incr_buf_size, incr_buf_fill;
1052 /* ---------- */
1053 struct mouse_event MEvent;
1054 XComposeStatus compose;
1055 struct termios tio;
1056 row_col_t oldcursor;
1057 #ifdef HAVE_BG_PIXMAP
1058 bgPixmap_t bgPixmap;
1059 #endif
1060 #ifdef HAVE_AFTERIMAGE
1061 ASVisual *asv;
1062 ASImageManager *asimman;
1063 #endif
1064
1065 #if ENABLE_OVERLAY
1066 int ov_x, ov_y, ov_w, ov_h; // overlay dimensions
1067 text_t **ov_text;
1068 rend_t **ov_rend;
1069
1070 void scr_swap_overlay () NOTHROW;
1071 void scr_overlay_new (int x, int y, int w, int h) NOTHROW;
1072 void scr_overlay_off () NOTHROW;
1073 void scr_overlay_set (int x, int y,
1074 text_t text,
1075 rend_t rend = OVERLAY_RSTYLE) NOTHROW;
1076 void scr_overlay_set (int x, int y, const char *s) NOTHROW;
1077 void scr_overlay_set (int x, int y, const wchar_t *s) NOTHROW;
1078 #endif
1079
1080 vector<void *> allocated; // free these memory blocks with free()
1081
1082 char env_windowid[21]; /* environmental variable WINDOWID */
1083 char env_colorfgbg[sizeof ("COLORFGBG=default;default;bg") + 1];
1084 char *env_display; /* environmental variable DISPLAY */
1085 char *env_term; /* environmental variable TERM */
1086
1087 char *locale;
1088 char charsets[4];
1089 char *v_buffer; /* pointer to physical buffer */
1090 unsigned int v_buflen; /* size of area to write */
1091 stringvec *argv, *envv; /* if != 0, will be freed at destroy time */
1092
1093 #ifdef KEYSYM_RESOURCE
1094 keyboard_manager *keyboard;
1095 #endif
1096 #ifndef NO_RESOURCES
1097 XrmDatabase option_db;
1098 #endif
1099
1100 const char *rs[NUM_RESOURCES];
1101 /* command input buffering */
1102 char *cmdbuf_ptr, *cmdbuf_endp;
1103 char cmdbuf_base[CBUFSIZ];
1104
1105 ptytty *pty;
1106
1107 rxvt_salloc *talloc; // text line allocator
1108 rxvt_salloc *ralloc; // rend line allocator
1109
1110 static vector<rxvt_term *> termlist; // a vector of all running rxvt_term's
1111
1112 #if ENABLE_FRILLS || ISO_14755
1113 // ISO 14755 entry support
1114 unicode_t iso14755buf;
1115 void commit_iso14755 ();
1116 int hex_keyval (XKeyEvent &ev);
1117 # if ISO_14755
1118 void iso14755_51 (unicode_t ch, rend_t r = DEFAULT_RSTYLE, int x = 0, int y = -1);
1119 void iso14755_54 (int x, int y);
1120 # endif
1121 #endif
1122
1123 long vt_emask, vt_emask_perl, vt_emask_xim, vt_emask_mouse;
1124
1125 void vt_select_input () const NOTHROW
1126 {
1127 XSelectInput (dpy, vt, vt_emask | vt_emask_perl | vt_emask_xim | vt_emask_mouse);
1128 }
1129
1130 #if ENABLE_TRANSPARENCY || ENABLE_PERL
1131 void rootwin_cb (XEvent &xev);
1132 xevent_watcher rootwin_ev;
1133 #endif
1134 #ifdef HAVE_BG_PIXMAP
1135 void update_background ();
1136 #if TRACE_PIXMAPS
1137 void trace_update_background (const char *file, int line);
1138 # define update_background() trace_update_background (__FILE__, __LINE__)
1139 #endif
1140 void update_background_cb (ev::timer &w, int revents);
1141 ev::timer update_background_ev;
1142 #endif
1143
1144 void x_cb (XEvent &xev);
1145 xevent_watcher termwin_ev;
1146 xevent_watcher vt_ev;
1147 xevent_watcher scrollbar_ev;
1148
1149 void child_cb (ev::child &w, int revents); ev::child child_ev;
1150 void destroy_cb (ev::idle &w, int revents); ev::idle destroy_ev;
1151 void refresh_check ();
1152 void flush ();
1153 void flush_cb (ev::timer &w, int revents); ev::timer flush_ev;
1154 bool pty_fill ();
1155 void pty_cb (ev::io &w, int revents); ev::io pty_ev;
1156 void incr_cb (ev::timer &w, int revents) NOTHROW; ev::timer incr_ev;
1157
1158 #ifdef CURSOR_BLINK
1159 void cursor_blink_cb (ev::timer &w, int revents); ev::timer cursor_blink_ev;
1160 #endif
1161 #ifdef TEXT_BLINK
1162 void text_blink_cb (ev::timer &w, int revents); ev::timer text_blink_ev;
1163 #endif
1164 #ifndef NO_BELL
1165 void bell_cb (ev::timer &w, int revents); ev::timer bell_ev;
1166 #endif
1167
1168 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1169 void cont_scroll_cb (ev::timer &w, int revents); ev::timer cont_scroll_ev;
1170 #endif
1171 #ifdef SELECTION_SCROLLING
1172 void sel_scroll_cb (ev::timer &w, int revents); ev::timer sel_scroll_ev;
1173 #endif
1174 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1175 void slip_wheel_cb (ev::timer &w, int revents); ev::timer slip_wheel_ev;
1176 #endif
1177
1178 #ifdef POINTER_BLANK
1179 void pointer_cb (ev::timer &w, int revents); ev::timer pointer_ev;
1180 void pointer_blank ();
1181 #endif
1182 void pointer_unblank ();
1183
1184 void tt_printf (const char *fmt,...);
1185 void tt_write (const char *data, unsigned int len);
1186 void pty_write ();
1187
1188 void init (stringvec *argv, stringvec *envv)
1189 {
1190 this->argv = argv;
1191 init (argv->size (), argv->begin (), envv);
1192 }
1193
1194 void make_current () const // make this the "currently active" urxvt instance
1195 {
1196 SET_R (this);
1197 set_environ (envv);
1198 rxvt_set_locale (locale);
1199 }
1200
1201 #if USE_XIM
1202 rxvt_xim *input_method;
1203 XIC Input_Context;
1204 XIMStyle input_style;
1205 XPoint spot; // most recently sent spot position
1206
1207 void im_destroy ();
1208 void im_cb (); im_watcher im_ev;
1209 void im_set_size (XRectangle &size);
1210 void im_set_position (XPoint &pos) NOTHROW;
1211 void im_set_color (unsigned long &fg, unsigned long &bg);
1212 void im_set_preedit_area (XRectangle &preedit_rect, XRectangle &status_rect, const XRectangle &needed_rect);
1213
1214 bool IMisRunning ();
1215 void IMSendSpot ();
1216 bool IM_get_IC (const char *modifiers);
1217 void IMSetPosition ();
1218 #endif
1219
1220 // command.C
1221 void key_press (XKeyEvent &ev);
1222 void key_release (XKeyEvent &ev);
1223 unsigned int cmd_write (const char *str, unsigned int count);
1224
1225 wchar_t next_char () NOTHROW;
1226 wchar_t cmd_getc () THROW ((class out_of_input));
1227 uint32_t next_octet () NOTHROW;
1228 uint32_t cmd_get8 () THROW ((class out_of_input));
1229
1230 bool cmd_parse ();
1231 void mouse_report (XButtonEvent &ev);
1232 void button_press (XButtonEvent &ev);
1233 void button_release (XButtonEvent &ev);
1234 void focus_in ();
1235 void focus_out ();
1236 void update_fade_color (unsigned int idx);
1237 #ifdef PRINTPIPE
1238 FILE *popen_printer ();
1239 int pclose_printer (FILE *stream);
1240 #endif
1241 void process_print_pipe ();
1242 void process_nonprinting (unicode_t ch);
1243 void process_escape_vt52 (unicode_t ch);
1244 void process_escape_seq ();
1245 void process_csi_seq ();
1246 void process_window_ops (const int *args, unsigned int nargs);
1247 char *get_to_st (unicode_t &ends_how);
1248 void process_dcs_seq ();
1249 void process_osc_seq ();
1250 void process_color_seq (int report, int color, const char *str, char resp);
1251 void process_xterm_seq (int op, const char *str, char resp);
1252 int privcases (int mode, unsigned long bit);
1253 void process_terminal_mode (int mode, int priv, unsigned int nargs, const int *arg);
1254 void process_sgr_mode (unsigned int nargs, const int *arg);
1255 void process_graphics ();
1256 // init.C
1257 void init_vars ();
1258 const char **init_resources (int argc, const char *const *argv);
1259 void init (int argc, const char *const *argv, stringvec *envv);
1260 void init_env ();
1261 void set_locale (const char *locale);
1262 void init_xlocale ();
1263 void init_command (const char *const *argv);
1264 void run_command (const char *const *argv);
1265 int run_child (const char *const *argv);
1266 void color_aliases (int idx);
1267 void create_windows (int argc, const char *const *argv);
1268 void Get_Colours ();
1269 void get_ourmods ();
1270 // main.C
1271 void tt_winch ();
1272 rxvt_term ();
1273 ~rxvt_term ();
1274 void destroy ();
1275 void emergency_cleanup ();
1276 void recolour_cursor ();
1277 void resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent);
1278 void window_calc (unsigned int newwidth, unsigned int newheight);
1279 bool set_fonts ();
1280 void set_string_property (Atom prop, const char *str, int len = -1);
1281 void set_utf8_property (Atom prop, const char *str, int len = -1);
1282 void set_title (const char *str);
1283 void set_icon_name (const char *str);
1284 void set_window_color (int idx, const char *color);
1285 void set_colorfgbg ();
1286 bool set_color (rxvt_color &color, const char *name);
1287 void alias_color (int dst, int src);
1288 void set_widthheight (unsigned int newwidth, unsigned int newheight);
1289 void get_window_origin (int &x, int &y);
1290 Pixmap get_pixmap_property (int prop_id);
1291
1292 // screen.C
1293
1294 void lalloc (line_t &l) const
1295 {
1296 l.t = (text_t *)talloc->alloc ();
1297 l.r = (rend_t *)ralloc->alloc ();
1298 }
1299
1300 #if 0
1301 void lfree (line_t &l)
1302 {
1303 talloc->free (l.t);
1304 ralloc->free (l.r);
1305 }
1306 #endif
1307
1308 void lresize (line_t &l) const
1309 {
1310 if (!l.t)
1311 return;
1312
1313 l.t = (text_t *)talloc->alloc (l.t, prev_ncol * sizeof (text_t));
1314 l.r = (rend_t *)ralloc->alloc (l.r, prev_ncol * sizeof (rend_t));
1315
1316 l.l = min (l.l, ncol);
1317
1318 if (ncol > prev_ncol)
1319 scr_blank_line (l, prev_ncol, ncol - prev_ncol, DEFAULT_RSTYLE);
1320 }
1321
1322 int fgcolor_of (rend_t r) const NOTHROW
1323 {
1324 int base = GET_BASEFG (r);
1325 #ifndef NO_BRIGHTCOLOR
1326 if (r & RS_Bold
1327 # if ENABLE_STYLES
1328 && option (Opt_intensityStyles)
1329 # endif
1330 && IN_RANGE_INC (base, minCOLOR, minBrightCOLOR))
1331 base += minBrightCOLOR - minCOLOR;
1332 #endif
1333 return base;
1334 }
1335
1336 int bgcolor_of (rend_t r) const NOTHROW
1337 {
1338 int base = GET_BASEBG (r);
1339 #ifndef NO_BRIGHTCOLOR
1340 if (r & RS_Blink
1341 # if ENABLE_STYLES
1342 && option (Opt_intensityStyles)
1343 # endif
1344 && IN_RANGE_INC (base, minCOLOR, minBrightCOLOR))
1345 base += minBrightCOLOR - minCOLOR;
1346 #endif
1347 return base;
1348 }
1349
1350 bool option (uint8_t opt) const NOTHROW
1351 {
1352 if (!opt)
1353 return 0;
1354
1355 --opt;
1356 return options[opt >> 3] & (1 << (opt & 7));
1357 }
1358
1359 void set_option (uint8_t opt, bool set = true) NOTHROW
1360 {
1361 if (!opt)
1362 return;
1363
1364 --opt;
1365 if (set)
1366 options[opt >> 3] |= (1 << (opt & 7));
1367 else
1368 options[opt >> 3] &= ~(1 << (opt & 7));
1369 }
1370
1371 void PrivMode (int set, unsigned bit) NOTHROW
1372 {
1373 if (set)
1374 priv_modes |= bit;
1375 else
1376 priv_modes &= ~bit;
1377 }
1378
1379 // modifies first argument(!)
1380 void paste (char *data, unsigned int len) NOTHROW;
1381 void scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const NOTHROW;
1382 void scr_blank_screen_mem (line_t &l, rend_t efs) const NOTHROW;
1383 int scr_scroll_text (int row1, int row2, int count) NOTHROW;
1384 void scr_reset ();
1385 void scr_release () NOTHROW;
1386 void scr_clear (bool really = false) NOTHROW;
1387 void scr_refresh () NOTHROW;
1388 bool scr_refresh_rend (rend_t mask, rend_t value) NOTHROW;
1389 void scr_erase_screen (int mode) NOTHROW;
1390 #if ENABLE_FRILLS
1391 void scr_erase_savelines () NOTHROW;
1392 void scr_backindex () NOTHROW;
1393 void scr_forwardindex () NOTHROW;
1394 #endif
1395 void scr_touch (bool refresh) NOTHROW;
1396 void scr_expose (int x, int y, int width, int height, bool refresh) NOTHROW;
1397 void scr_recolour () NOTHROW;
1398 void scr_remap_chars () NOTHROW;
1399 void scr_remap_chars (line_t &l) NOTHROW;
1400
1401 enum cursor_mode { SAVE, RESTORE };
1402
1403 void scr_poweron ();
1404 void scr_cursor (cursor_mode mode) NOTHROW;
1405 void scr_do_wrap () NOTHROW;
1406 void scr_swap_screen () NOTHROW;
1407 void scr_change_screen (int scrn);
1408 void scr_color (unsigned int color, int fgbg) NOTHROW;
1409 void scr_rendition (int set, int style) NOTHROW;
1410 void scr_add_lines (const wchar_t *str, int len, int minlines = 0) NOTHROW;
1411 void scr_backspace () NOTHROW;
1412 void scr_tab (int count, bool ht = false) NOTHROW;
1413 void scr_gotorc (int row, int col, int relative) NOTHROW;
1414 void scr_index (enum page_dirn direction) NOTHROW;
1415 void scr_erase_line (int mode) NOTHROW;
1416 void scr_E () NOTHROW;
1417 void scr_insdel_lines (int count, int insdel) NOTHROW;
1418 void scr_insdel_chars (int count, int insdel) NOTHROW;
1419 void scr_scroll_region (int top, int bot) NOTHROW;
1420 void scr_cursor_visible (int mode) NOTHROW;
1421 void scr_autowrap (int mode) NOTHROW;
1422 void scr_relative_origin (int mode) NOTHROW;
1423 void scr_insert_mode (int mode) NOTHROW;
1424 void scr_set_tab (int mode) NOTHROW;
1425 void scr_rvideo_mode (bool on) NOTHROW;
1426 void scr_report_position () NOTHROW;
1427 void set_font_style () NOTHROW;
1428 void scr_charset_choose (int set) NOTHROW;
1429 void scr_charset_set (int set, unsigned int ch) NOTHROW;
1430 void scr_move_to (int y, int len) NOTHROW;
1431 bool scr_page (enum page_dirn direction, int nlines) NOTHROW;
1432 bool scr_changeview (int new_view_start) NOTHROW;
1433 void scr_bell () NOTHROW;
1434 void scr_printscreen (int fullhist) NOTHROW;
1435 void scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) NOTHROW;
1436 void scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) NOTHROW;
1437 void scr_reverse_selection () NOTHROW;
1438 void scr_dump (int fd) NOTHROW;
1439
1440 void selection_check (int check_more) NOTHROW;
1441 void selection_paste (Window win, Atom prop, bool delete_prop) NOTHROW;
1442 void selection_property (Window win, Atom prop) NOTHROW;
1443 void selection_request (Time tm, int selnum = Sel_Primary) NOTHROW;
1444 int selection_request_other (Atom target, int selnum) NOTHROW;
1445 void selection_clear () NOTHROW;
1446 void selection_make (Time tm);
1447 bool selection_grab (Time tm) NOTHROW;
1448 void selection_start_colrow (int col, int row) NOTHROW;
1449 void selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW;
1450 void selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW;
1451 void selection_remove_trailing_spaces () NOTHROW;
1452 void selection_send (const XSelectionRequestEvent &rq) NOTHROW;
1453 void selection_click (int clicks, int x, int y) NOTHROW;
1454 void selection_extend (int x, int y, int flag) NOTHROW;
1455 void selection_rotate (int x, int y) NOTHROW;
1456
1457 #if defined(NEXT_SCROLLBAR)
1458 // scrollbar-next.C
1459 Pixmap renderPixmap (const char *const *data, int width, int height);
1460 void init_scrollbar_stuff ();
1461 void drawBevel (Drawable d, int x1, int y1, int w, int h);
1462 int scrollbar_show_next (int update, int last_top, int last_bot, int scrollbar_len);
1463 #endif
1464
1465 #if defined(RXVT_SCROLLBAR)
1466 // scrollbar-rxvt.C
1467 int scrollbar_show_rxvt (int update, int last_top, int last_bot, int scrollbar_len);
1468 #endif
1469
1470 #if defined(XTERM_SCROLLBAR)
1471 // scrollbar-xterm.C
1472 int scrollbar_show_xterm (int update, int last_top, int last_bot, int scrollbar_len);
1473 #endif
1474
1475 #if defined(PLAIN_SCROLLBAR)
1476 // scrollbar-plain.C
1477 int scrollbar_show_plain (int update, int last_top, int last_bot, int scrollbar_len);
1478 #endif
1479
1480 // scrollbar.C
1481 void resize_scrollbar ();
1482 int scrollbar_mapping (int map);
1483 int scrollbar_show (int update);
1484
1485 // xdefaults.C
1486 void get_options (int argc, const char *const *argv);
1487 int parse_keysym (const char *str, const char *arg);
1488 const char *x_resource (const char *name);
1489 void extract_resources ();
1490 };
1491
1492 #endif /* _RXVT_H_ */
1493