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/cvs/rxvt-unicode/src/rxvt.h
Revision: 1.386
Committed: Wed Mar 31 23:01:51 2010 UTC (14 years, 2 months ago) by root
Content type: text/plain
Branch: MAIN
Changes since 1.385: +6 -8 lines
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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
103 #ifndef HAVE_XPOINTER
104 typedef char *XPointer;
105 #endif
106
107 #include <termios.h>
108
109 #include "background.h"
110
111 #ifndef STDIN_FILENO
112 # define STDIN_FILENO 0
113 # define STDOUT_FILENO 1
114 # define STDERR_FILENO 2
115 #endif
116
117 #ifndef EXIT_SUCCESS /* missing from <stdlib.h> */
118 # define EXIT_SUCCESS 0 /* exit function success */
119 # define EXIT_FAILURE 1 /* exit function failure */
120 #endif
121
122 #ifndef PATH_MAX
123 # define PATH_MAX 16384
124 #endif
125
126 /****************************************************************************/
127
128 // exception thrown on fatal (per-instance) errors
129 class rxvt_failure_exception { };
130
131 // exception thrown when the command parser runs out of input data
132 class out_of_input { };
133
134 /*
135 *****************************************************************************
136 * PROTOTYPES
137 *****************************************************************************
138 */
139 // main.C
140 #define SET_LOCALE(locale) rxvt_set_locale (locale)
141 extern bool rxvt_set_locale (const char *locale) NOTHROW;
142 extern void rxvt_push_locale (const char *locale) NOTHROW;
143 extern void rxvt_pop_locale () NOTHROW;
144 void rxvt_init ();
145
146 // misc.C
147 char * rxvt_wcstombs (const wchar_t *str, int len = -1);
148 wchar_t * rxvt_mbstowcs (const char *str, int len = -1);
149 char * rxvt_wcstoutf8 (const wchar_t *str, int len = -1);
150 wchar_t * rxvt_utf8towcs (const char *str, int len = -1);
151
152 const char * rxvt_basename (const char *str) NOTHROW;
153 void rxvt_vlog (const char *fmt, va_list arg_ptr) NOTHROW;
154 void rxvt_log (const char *fmt,...) NOTHROW;
155 void rxvt_warn (const char *fmt,...) NOTHROW;
156 void rxvt_fatal (const char *fmt, ...) THROW ((class rxvt_failure_exception)) NORETURN;
157 void rxvt_exit_failure () THROW ((class rxvt_failure_exception)) NORETURN;
158
159 char * rxvt_strtrim (char *str) NOTHROW;
160 char ** rxvt_splitcommastring (const char *cs) NOTHROW;
161 void rxvt_freecommastring (char **cs) NOTHROW;
162
163 void * rxvt_malloc (size_t size);
164 void * rxvt_calloc (size_t number, size_t size);
165 void * rxvt_realloc (void *ptr, size_t size);
166
167 /////////////////////////////////////////////////////////////////////////////
168
169 // temporarily replace the process environment
170 extern char **environ;
171 extern char **rxvt_environ; // the original environ pointer
172
173 static inline void
174 set_environ (stringvec *envv)
175 {
176 #if ENABLE_PERL
177 assert (envv);
178 #else
179 if (envv)
180 #endif
181 environ = (char **)envv->begin ();
182 }
183
184 static inline void
185 set_environ (char **envv)
186 {
187 #if ENABLE_PERL
188 assert (envv);
189 #else
190 if (envv)
191 #endif
192 environ = envv;
193 }
194
195 /*
196 *****************************************************************************
197 * STRUCTURES AND TYPEDEFS
198 *****************************************************************************
199 */
200
201 /*
202 * the 'essential' information for reporting Mouse Events
203 * pared down from XButtonEvent
204 */
205 struct mouse_event
206 {
207 int clicks;
208 Time time; /* milliseconds */
209 unsigned int state; /* key or button mask */
210 unsigned int button; /* detail */
211 };
212
213 #if ENABLE_XEMBED
214 // XEMBED messages
215 # define XEMBED_EMBEDDED_NOTIFY 0
216 # define XEMBED_WINDOW_ACTIVATE 1
217 # define XEMBED_WINDOW_DEACTIVATE 2
218 # define XEMBED_REQUEST_FOCUS 3
219 # define XEMBED_FOCUS_IN 4
220 # define XEMBED_FOCUS_OUT 5
221 # define XEMBED_FOCUS_NEXT 6
222 # define XEMBED_FOCUS_PREV 7
223
224 # define XEMBED_MODALITY_ON 10
225 # define XEMBED_MODALITY_OFF 11
226 # define XEMBED_REGISTER_ACCELERATOR 12
227 # define XEMBED_UNREGISTER_ACCELERATOR 13
228 # define XEMBED_ACTIVATE_ACCELERATOR 14
229
230 // XEMBED detail code
231 # define XEMBED_FOCUS_CURRENT 0
232 # define XEMBED_FOCUS_FIRST 1
233 # define XEMBED_FOCUS_LAST 2
234
235 # define XEMBED_MAPPED (1 << 0)
236 #endif
237
238 /*
239 *****************************************************************************
240 * NORMAL DEFINES
241 *****************************************************************************
242 */
243
244 /* COLORTERM, TERM environment variables */
245 #define COLORTERMENV "rxvt"
246 #ifdef BG_IMAGE_FROM_FILE
247 # define COLORTERMENVFULL COLORTERMENV "-xpm"
248 #else
249 # define COLORTERMENVFULL COLORTERMENV
250 #endif
251 #ifndef TERMENV
252 # define TERMENV "rxvt-unicode"
253 #endif
254
255 #if defined (NO_MOUSE_REPORT) && !defined (NO_MOUSE_REPORT_SCROLLBAR)
256 # define NO_MOUSE_REPORT_SCROLLBAR 1
257 #endif
258
259 #define scrollBar_esc 30
260
261 #if !defined (RXVT_SCROLLBAR) && !defined (NEXT_SCROLLBAR)
262 # define NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING 1
263 #endif
264
265 enum {
266 NO_REFRESH = 0, /* Window not visible at all! */
267 FAST_REFRESH = 1, /* Fully exposed window */
268 SLOW_REFRESH = 2, /* Partially exposed window */
269 };
270
271 #ifdef NO_SECONDARY_SCREEN
272 # define NSCREENS 0
273 #else
274 # define NSCREENS 1
275 #endif
276
277 /* special (internal) prefix for font commands */
278 #define FONT_CMD '#'
279 #define FONT_DN "#-"
280 #define FONT_UP "#+"
281
282 /* flags for rxvt_scr_gotorc () */
283 enum {
284 C_RELATIVE = 1, /* col movement is relative */
285 R_RELATIVE = 2, /* row movement is relative */
286 RELATIVE = C_RELATIVE | R_RELATIVE,
287 };
288
289 /* modes for rxvt_scr_insdel_chars (), rxvt_scr_insdel_lines () */
290 enum {
291 INSERT = -1, /* don't change these values */
292 DELETE = +1,
293 ERASE = +2,
294 };
295
296 /* modes for rxvt_scr_page () - scroll page. used by scrollbar window */
297 enum page_dirn {
298 UP,
299 DN,
300 NO_DIR,
301 };
302
303 /* arguments for rxvt_scr_change_screen () */
304 enum {
305 PRIMARY = 0,
306 SECONDARY,
307 };
308
309 #define RS_None 0
310
311 #define RS_fgMask 0x0000007fUL // 128 colors
312 #define RS_bgMask 0x00003f80UL // 128 colors
313
314 // font styles
315 #define RS_Bold 0x00004000UL // value 1
316 #define RS_Italic 0x00008000UL // value 2
317
318 // fake styles
319 #define RS_Blink 0x00010000UL // blink
320 #define RS_RVid 0x00020000UL // reverse video
321 #define RS_Uline 0x00040000UL // underline
322
323 // toggle this to force redraw, must be != RS_Careful and otherwise "pretty neutral"
324 #define RS_redraw 0x02000000UL
325
326 // 5 custom bits for extensions
327 #define RS_customCount 16
328 #define RS_customMask 0x00780000UL
329 #define RS_customShift 19
330
331 // must have space for rxvt_fontset::fontCount * 2 + 2 values
332 #define RS_fontMask 0xf8000000UL // includes RS_Careful
333 #define RS_fontShift 27
334 #define RS_Careful 0x08000000UL /* be careful when drawing these */
335
336 #define RS_styleCount 4
337 #define RS_styleMask (RS_Bold | RS_Italic)
338 #define RS_styleShift 14
339
340 #define RS_baseattrMask (RS_Italic | RS_Bold | RS_Blink | RS_RVid | RS_Uline)
341 #define RS_attrMask (RS_baseattrMask | RS_fontMask)
342
343 #define DEFAULT_RSTYLE (RS_None | Color_fg | (Color_bg << Color_Bits))
344 #define OVERLAY_RSTYLE (RS_None | Color_Black | (Color_Yellow << Color_Bits))
345
346 #define Sel_none 0 /* Not waiting */
347 #define Sel_normal 0x01 /* normal selection */
348 #define Sel_incr 0x02 /* incremental selection */
349 #define Sel_direct 0x00
350 #define Sel_Primary 0x01
351 #define Sel_Secondary 0x02
352 #define Sel_Clipboard 0x03
353 #define Sel_whereMask 0x0f
354 #define Sel_CompoundText 0x10 /* last request was COMPOUND_TEXT */
355 #define Sel_UTF8String 0x20 /* last request was UTF8_STRING */
356
357 enum {
358 C0_NUL = 0x00,
359 C0_SOH, C0_STX, C0_ETX, C0_EOT, C0_ENQ, C0_ACK, C0_BEL,
360 C0_BS , C0_HT , C0_LF , C0_VT , C0_FF , C0_CR , C0_SO , C0_SI ,
361 C0_DLE, C0_DC1, C0_DC2, D0_DC3, C0_DC4, C0_NAK, C0_SYN, C0_ETB,
362 C0_CAN, C0_EM , C0_SUB, C0_ESC, C0_IS4, C0_IS3, C0_IS2, C0_IS1,
363 };
364 #define CHAR_ST 0x9c /* 0234 */
365
366 /*
367 * XTerm Operating System Commands: ESC ] Ps;Pt (ST|BEL)
368 * colour extensions by Christian W. Zuckschwerdt <zany@triq.net>
369 */
370 enum {
371 XTerm_name = 0,
372 XTerm_iconName = 1,
373 XTerm_title = 2,
374 XTerm_property = 3, // change X property
375 XTerm_Color = 4, // change colors
376 XTerm_Color00 = 10, // change fg color
377 XTerm_Color01 = 11, // change bg color
378 XTerm_Color_cursor = 12, // change actual 'Cursor' color
379 XTerm_Color_pointer_fg = 13, // change actual 'Pointer' fg color
380 XTerm_Color_pointer_bg = 14, // change actual 'Pointer' bg color
381 XTerm_Color05 = 15, // not implemented (tektronix fg)
382 XTerm_Color06 = 16, // not implemented (tektronix bg)
383 XTerm_Color_RV = 17, // change actual 'Highlight' color
384 XTerm_logfile = 46, // not implemented
385 XTerm_font = 50,
386
387 XTerm_konsole30 = 30, // reserved for konsole
388 XTerm_konsole31 = 31, // reserved for konsole
389 XTerm_emacs51 = 51, // reserved for emacs shell
390 /*
391 * rxvt extensions of XTerm OSCs: ESC ] Ps;Pt (ST|BEL)
392 */
393
394 // deprecated
395 Rxvt_Color_BD = 18,
396 Rxvt_Color_UL = 19,
397 Rxvt_restoreFG = 39,
398 Rxvt_restoreBG = 49,
399
400 Rxvt_Pixmap = 20, // new bg pixmap
401 Rxvt_dumpscreen = 55, // dump scrollback and all of screen
402
403 URxvt_locale = 701, // change locale
404 URxvt_version = 702, // request version
405
406 URxvt_Color_IT = 704, // change actual 'Italic' colour
407 URxvt_Color_tint = 705, // change actual tint colour
408 URxvt_Color_BD = 706, // change actual 'Bold' color
409 URxvt_Color_UL = 707, // change actual 'Underline' color
410 URxvt_Color_border = 708,
411
412 URxvt_font = 710,
413 URxvt_boldFont = 711,
414 URxvt_italicFont = 712,
415 URxvt_boldItalicFont = 713,
416
417 URxvt_view_up = 720,
418 URxvt_view_down = 721,
419
420 URxvt_perl = 777, // for use by perl extensions, starts with "extension-name;"
421 };
422
423 /* Words starting with `Color_' are colours. Others are counts */
424 /*
425 * The PixColor and rendition colour usage should probably be decoupled
426 * on the unnecessary items, e.g. Color_pointer, but won't bother
427 * until we need to. Also, be aware of usage in pixcolor_set
428 */
429
430 enum colour_list {
431 Color_none = -2,
432 Color_transparent = -1,
433 Color_fg = 0,
434 Color_bg,
435 minCOLOR, /* 2 */
436 Color_Black = minCOLOR,
437 Color_Red3,
438 Color_Green3,
439 Color_Yellow3,
440 Color_Blue3,
441 Color_Magenta3,
442 Color_Cyan3,
443 maxCOLOR, /* minCOLOR + 7 */
444 #ifndef NO_BRIGHTCOLOR
445 Color_AntiqueWhite = maxCOLOR,
446 minBrightCOLOR, /* maxCOLOR + 1 */
447 Color_Grey25 = minBrightCOLOR,
448 Color_Red,
449 Color_Green,
450 Color_Yellow,
451 Color_Blue,
452 Color_Magenta,
453 Color_Cyan,
454 maxBrightCOLOR, /* minBrightCOLOR + 7 */
455 Color_White = maxBrightCOLOR,
456 #else
457 Color_White = maxCOLOR,
458 #endif
459 minTermCOLOR = Color_White + 1,
460 maxTermCOLOR = Color_White + 72,
461 #ifndef NO_CURSORCOLOR
462 Color_cursor,
463 Color_cursor2,
464 #endif
465 Color_pointer_fg,
466 Color_pointer_bg,
467 Color_border,
468 #ifndef NO_BOLD_UNDERLINE_REVERSE
469 Color_BD,
470 Color_IT,
471 Color_UL,
472 Color_RV,
473 #endif
474 #if ENABLE_FRILLS
475 Color_underline,
476 #endif
477 #ifdef OPTION_HC
478 Color_HC,
479 #endif
480 Color_scroll,
481 #ifdef RXVT_SCROLLBAR
482 Color_trough,
483 #endif
484 #if ENABLE_TRANSPARENCY
485 Color_tint,
486 #endif
487 #if OFF_FOCUS_FADING
488 Color_fade,
489 #endif
490 NRS_COLORS, /* */
491 #ifdef RXVT_SCROLLBAR
492 Color_topShadow = NRS_COLORS,
493 Color_bottomShadow,
494 TOTAL_COLORS
495 #else
496 TOTAL_COLORS = NRS_COLORS
497 #endif
498 };
499
500 #define Color_Bits 7 // 0 .. maxTermCOLOR
501
502 /*
503 * Resource list
504 */
505 enum {
506 # define def(name) Rs_ ## name,
507 # define reserve(name,count) Rs_ ## name ## _ = Rs_ ## name + (count) - 1,
508 # include "rsinc.h"
509 # undef def
510 # undef reserve
511 NUM_RESOURCES
512 };
513
514 /* DEC private modes */
515 #define PrivMode_132 (1UL<<0)
516 #define PrivMode_132OK (1UL<<1)
517 #define PrivMode_rVideo (1UL<<2)
518 #define PrivMode_relOrigin (1UL<<3)
519 #define PrivMode_Screen (1UL<<4)
520 #define PrivMode_Autowrap (1UL<<5)
521 #define PrivMode_aplCUR (1UL<<6)
522 #define PrivMode_aplKP (1UL<<7)
523 #define PrivMode_HaveBackSpace (1UL<<8)
524 #define PrivMode_BackSpace (1UL<<9)
525 #define PrivMode_ShiftKeys (1UL<<10)
526 #define PrivMode_VisibleCursor (1UL<<11)
527 #define PrivMode_MouseX10 (1UL<<12)
528 #define PrivMode_MouseX11 (1UL<<13)
529 #define PrivMode_scrollBar (1UL<<14)
530 #define PrivMode_TtyOutputInh (1UL<<15)
531 #define PrivMode_Keypress (1UL<<16)
532 #define PrivMode_smoothScroll (1UL<<17)
533 #define PrivMode_vt52 (1UL<<18)
534 #define PrivMode_LFNL (1UL<<19)
535 #define PrivMode_MouseBtnEvent (1UL<<20)
536 #define PrivMode_MouseAnyEvent (1UL<<21)
537 #define PrivMode_BracketPaste (1UL<<22)
538
539 #define PrivMode_mouse_report (PrivMode_MouseX10|PrivMode_MouseX11|PrivMode_MouseBtnEvent|PrivMode_MouseAnyEvent)
540
541 #ifdef ALLOW_132_MODE
542 # define PrivMode_Default (PrivMode_Autowrap|PrivMode_ShiftKeys|PrivMode_VisibleCursor|PrivMode_132OK)
543 #else
544 # define PrivMode_Default (PrivMode_Autowrap|PrivMode_ShiftKeys|PrivMode_VisibleCursor)
545 #endif
546
547 // do not change these constants lightly, there are many interdependencies
548 #define IMBUFSIZ 128 // input modifier buffer sizes
549 #define KBUFSZ 512 // size of keyboard mapping buffer
550 #define CBUFSIZ 2048 // size of command buffer
551 #define CBUFCNT 8 // never call pty_fill/cmd_parse more than this often in a row
552 #define UBUFSIZ 2048 // character buffer
553
554 #if ENABLE_FRILLS
555 # include <X11/Xmd.h>
556 typedef struct _mwmhints
557 {
558 CARD32 flags;
559 CARD32 functions;
560 CARD32 decorations;
561 INT32 input_mode;
562 CARD32 status;
563 } MWMHints;
564 #endif
565
566 /* Motif window hints */
567 #define MWM_HINTS_FUNCTIONS (1L << 0)
568 #define MWM_HINTS_DECORATIONS (1L << 1)
569 #define MWM_HINTS_INPUT_MODE (1L << 2)
570 #define MWM_HINTS_STATUS (1L << 3)
571 /* bit definitions for MwmHints.functions */
572 #define MWM_FUNC_ALL (1L << 0)
573 #define MWM_FUNC_RESIZE (1L << 1)
574 #define MWM_FUNC_MOVE (1L << 2)
575 #define MWM_FUNC_MINIMIZE (1L << 3)
576 #define MWM_FUNC_MAXIMIZE (1L << 4)
577 #define MWM_FUNC_CLOSE (1L << 5)
578 /* bit definitions for MwmHints.decorations */
579 #define MWM_DECOR_ALL (1L << 0)
580 #define MWM_DECOR_BORDER (1L << 1)
581 #define MWM_DECOR_RESIZEH (1L << 2)
582 #define MWM_DECOR_TITLE (1L << 3)
583 #define MWM_DECOR_MENU (1L << 4)
584 #define MWM_DECOR_MINIMIZE (1L << 5)
585 #define MWM_DECOR_MAXIMIZE (1L << 6)
586 /* bit definitions for MwmHints.inputMode */
587 #define MWM_INPUT_MODELESS 0
588 #define MWM_INPUT_PRIMARY_APPLICATION_MODAL 1
589 #define MWM_INPUT_SYSTEM_MODAL 2
590 #define MWM_INPUT_FULL_APPLICATION_MODAL 3
591 #define PROP_MWM_HINTS_ELEMENTS 5
592
593 /*
594 *****************************************************************************
595 * MACRO DEFINES
596 *****************************************************************************
597 */
598 #define dLocal(type,name) type const name = this->name
599
600 // for speed reasons, we assume that all codepoints 32 to 126 are
601 // single-width.
602 #define WCWIDTH(c) (IN_RANGE_INC (c, 0x20, 0x7e) ? 1 : wcwidth (c))
603
604 /* convert pixel dimensions to row/column values. Everything as int32_t */
605 #define Pixel2Col(x) Pixel2Width((int32_t)(x))
606 #define Pixel2Row(y) Pixel2Height((int32_t)(y))
607 #define Pixel2Width(x) ((int32_t)(x) / (int32_t)fwidth)
608 #define Pixel2Height(y) ((int32_t)(y) / (int32_t)fheight)
609 #define Col2Pixel(col) ((int32_t)Width2Pixel(col))
610 #define Row2Pixel(row) ((int32_t)Height2Pixel(row))
611 #define Width2Pixel(n) ((int32_t)(n) * (int32_t)fwidth)
612 #define Height2Pixel(n) ((int32_t)(n) * (int32_t)fheight)
613
614 #define LINENO_of(t,n) MOD ((t)->term_start + int(n), (t)->total_rows)
615 #define ROW_of(t,n) (t)->row_buf [LINENO_of ((t), n)]
616
617 #define LINENO(n) LINENO_of (this, n)
618 #define ROW(n) ROW_of (this, n)
619
620 /* how to build & extract colors and attributes */
621 #define GET_BASEFG(x) (((x) & RS_fgMask))
622 #define GET_BASEBG(x) (((x) & RS_bgMask)>>Color_Bits)
623
624 #define GET_FONT(x) (((x) & RS_fontMask) >> RS_fontShift)
625 #define SET_FONT(x,fid) (((x) & ~RS_fontMask) | ((fid) << RS_fontShift))
626
627 #define GET_STYLE(x) (((x) & RS_styleMask) >> RS_styleShift)
628 #define SET_STYLE(x,style) (((x) & ~RS_styleMask) | ((style) << RS_styleShift))
629
630 #define GET_ATTR(x) (((x) & RS_attrMask))
631 #define GET_BGATTR(x) \
632 (((x) & RS_RVid) ? (((x) & (RS_attrMask & ~RS_RVid)) \
633 | (((x) & RS_fgMask)<<Color_Bits)) \
634 : ((x) & (RS_attrMask | RS_bgMask)))
635 #define SET_FGCOLOR(x,fg) (((x) & ~RS_fgMask) | (fg))
636 #define SET_BGCOLOR(x,bg) (((x) & ~RS_bgMask) | ((bg)<<Color_Bits))
637 #define SET_ATTR(x,a) (((x) & ~RS_attrMask) | (a))
638
639 #define RS_SAME(a,b) (!(((a) ^ (b)) & ~RS_Careful))
640
641 #define PIXCOLOR_NAME(idx) rs[Rs_color + (idx)]
642 #define ISSET_PIXCOLOR(idx) (!!rs[Rs_color + (idx)])
643
644 #if ENABLE_STYLES
645 # define FONTSET_of(t,style) (t)->fontset[GET_STYLE (style)]
646 #else
647 # define FONTSET_of(t,style) (t)->fontset[0]
648 #endif
649
650 #define FONTSET(style) FONTSET_of (this, style)
651
652 typedef callback<void (const char *)> log_callback;
653 typedef callback<int (int)> getfd_callback;
654
655 /****************************************************************************/
656
657 #define LINE_LONGER 0x0001 // line is continued on the next row
658 #define LINE_FILTERED 0x0002 // line has been filtered
659 #define LINE_COMPRESSED 0x0004 // line has been compressed (NYI)
660 #define LINE_FILTER 0x0008 // line needs to be filtered before display (NYI)
661 #define LINE_BIDI 0x0010 // line needs bidi (NYI)
662
663 struct line_t
664 {
665 text_t *t; // terminal the text
666 rend_t *r; // rendition, uses RS_ flags
667 tlen_t_ l; // length of each text line
668 uint32_t f; // flags
669
670 bool is_longer ()
671 {
672 return f & LINE_LONGER;
673 }
674
675 void is_longer (int set)
676 {
677 if (set)
678 f |= LINE_LONGER;
679 else
680 f &= ~LINE_LONGER;
681 }
682
683 void clear ()
684 {
685 t = 0;
686 r = 0;
687 l = 0;
688 f = 0;
689 }
690
691 void touch () // call whenever a line is changed/touched/updated
692 {
693 #if ENABLE_PERL
694 f &= ~LINE_FILTERED;
695 #endif
696 }
697
698 void touch (int col)
699 {
700 max_it (l, col);
701 touch ();
702 }
703 };
704
705 /****************************************************************************/
706
707 // primitive wrapper around mbstate_t to ensure initialisation
708 struct mbstate
709 {
710 mbstate_t mbs;
711
712 operator mbstate_t *() { return &mbs; }
713 void reset () { memset (&mbs, 0, sizeof (mbs)); }
714 mbstate () { reset (); }
715 };
716
717 /****************************************************************************/
718
719 #define UNICODE_MASK 0x1fffffUL
720
721 #if UNICODE_3
722 # define COMPOSE_LO 0x40000000UL
723 # define COMPOSE_HI 0x400fffffUL
724 # define IS_COMPOSE(n) ((int32_t)(n) >= COMPOSE_LO)
725 #else
726 # if ENABLE_PERL
727 # define COMPOSE_LO 0xe000UL // our _own_ functions don't like (illegal) surrogates
728 # define COMPOSE_HI 0xf8ffUL // in utf-8, so use private use area only
729 # else
730 # define COMPOSE_LO 0xd800UL
731 # define COMPOSE_HI 0xf8ffUL
732 # endif
733 # define IS_COMPOSE(n) IN_RANGE_INC ((n), COMPOSE_LO, COMPOSE_HI)
734 #endif
735
736 #if ENABLE_COMBINING
737 // compose chars are used to represent composite characters
738 // that are not representable in unicode, as well as characters
739 // not fitting in the BMP.
740 struct compose_char
741 {
742 unicode_t c1, c2; // any chars != NOCHAR are valid
743 compose_char (unicode_t c1, unicode_t c2)
744 : c1(c1), c2(c2)
745 { }
746 };
747
748 class rxvt_composite_vec
749 {
750 vector<compose_char> v;
751 public:
752 text_t compose (unicode_t c1, unicode_t c2 = NOCHAR);
753 int expand (unicode_t c, wchar_t *r);
754 compose_char *operator [](text_t c)
755 {
756 return c >= COMPOSE_LO && c < COMPOSE_LO + v.size ()
757 ? &v[c - COMPOSE_LO]
758 : 0;
759 }
760 };
761
762 extern class rxvt_composite_vec rxvt_composite;
763 #endif
764
765 /****************************************************************************/
766
767 #ifdef KEYSYM_RESOURCE
768 class keyboard_manager;
769 #endif
770
771 typedef struct rxvt_term *rxvt_t;
772
773 extern rxvt_t rxvt_current_term;
774
775 #define SET_R(r) rxvt_current_term = const_cast<rxvt_term *>(r)
776 #define GET_R rxvt_current_term
777
778 /* ------------------------------------------------------------------------- */
779 struct overlay_base
780 {
781 int x, y, w, h; // overlay dimensions
782 text_t **text;
783 rend_t **rend;
784
785 // while tempting to add swap() etc. here, it effetcively only increases code size
786 };
787
788 /* ------------------------------------------------------------------------- */
789
790 typedef struct
791 {
792 int row;
793 int col;
794 } row_col_t;
795
796 /*
797 * terminal limits:
798 *
799 * width : 1 <= width
800 * height : 1 <= height
801 * ncol : 1 <= ncol <= MAX(tlen_t)
802 * nrow : 1 <= nrow <= MAX(int)
803 * saveLines : 0 <= saveLines <= MAX(int)
804 * term_start : 0 <= term_start < saveLines
805 * total_rows : nrow + saveLines
806 *
807 * top_row : -saveLines <= top_row <= 0
808 * view_start : top_row <= view_start <= 0
809 *
810 * | most coordinates are stored relative to term_start,
811 * ROW_BUF | which is the first line of the terminal screen
812 * |························= row_buf[0]
813 * |························= row_buf[1]
814 * |························= row_buf[2] etc.
815 * |
816 * +------------+···········= term_start + top_row
817 * | scrollback |
818 * | scrollback +---------+·= term_start + view_start
819 * | scrollback | display |
820 * | scrollback | display |
821 * +------------+·display·+·= term_start
822 * | terminal | display |
823 * | terminal +---------+
824 * | terminal |
825 * | terminal |
826 * +------------+···········= term_start + nrow - 1
827 * |
828 * |
829 * END······················= total_rows
830 */
831
832 struct TermWin_t
833 {
834 int width; /* window width [pixels] */
835 int height; /* window height [pixels] */
836 int fwidth; /* font width [pixels] */
837 int fheight; /* font height [pixels] */
838 int fbase; /* font ascent (baseline) [pixels] */
839 int ncol; /* window columns [characters] */
840 int nrow; /* window rows [characters] */
841 int focus; /* window has focus */
842 int mapped; /* window state mapped? */
843 int int_bwidth; /* internal border width */
844 int ext_bwidth; /* external border width */
845 int lineSpace; /* number of extra pixels between rows */
846 int letterSpace; /* number of extra pixels between columns */
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: top_row <= beg.row <= mark.row <= end.row < nrow
875 * * Note: col == -1 ==> we're left of screen
876 *
877 */
878 struct screen_t
879 {
880 row_col_t cur; /* cursor position on the screen */
881 int tscroll; /* top of settable scroll region */
882 int bscroll; /* bottom of settable scroll region */
883 unsigned int charset; /* character set number [0..3] */
884 unsigned int flags; /* see below */
885 row_col_t s_cur; /* saved cursor position */
886 unsigned int s_charset; /* saved character set number [0..3] */
887 char s_charset_char;
888 rend_t s_rstyle; /* saved rendition style */
889 };
890
891 enum selection_op_t
892 {
893 SELECTION_CLEAR = 0, /* nothing selected */
894 SELECTION_INIT, /* marked a point */
895 SELECTION_BEGIN, /* started a selection */
896 SELECTION_CONT, /* continued selection */
897 SELECTION_DONE /* selection put in CUT_BUFFER0 */
898 };
899
900 struct selection_t
901 {
902 wchar_t *text; /* selected text */
903 unsigned int len; /* length of selected text */
904 unsigned int screen; /* screen being used */
905 unsigned int clicks; /* number of clicks */
906 selection_op_t op; /* current operation */
907 bool rect; /* rectangular selection? */
908 row_col_t beg; /* beginning of selection <= mark */
909 row_col_t mark; /* point of initial click <= end */
910 row_col_t end; /* one character past end point */
911 wchar_t *clip_text; /* text copied to the clipboard */
912 unsigned int clip_len; /* length of clipboard text */
913 };
914
915 /* ------------------------------------------------------------------------- */
916
917 /* screen_t flags */
918 #define Screen_Relative (1<<0) /* relative origin mode flag */
919 #define Screen_VisibleCursor (1<<1) /* cursor visible? */
920 #define Screen_Autowrap (1<<2) /* auto-wrap flag */
921 #define Screen_Insert (1<<3) /* insert mode (vs. overstrike) */
922 #define Screen_WrapNext (1<<4) /* need to wrap for next char? */
923 #define Screen_DefaultFlags (Screen_VisibleCursor | Screen_Autowrap)
924
925 /* rxvt_vars.options */
926 enum {
927 # define def(name,idx) Opt_ ## name = idx,
928 # define nodef(name) Opt_ ## name = 0,
929 # include "optinc.h"
930 # undef nodef
931 # undef def
932 Opt_count
933 };
934
935 /* ------------------------------------------------------------------------- */
936
937 struct rxvt_vars : TermWin_t
938 {
939 scrollBar_t scrollBar;
940 uint8_t options[(Opt_count + 7) >> 3];
941 XSizeHints szHint;
942 rxvt_color *pix_colors;
943 Cursor TermWin_cursor; /* cursor for vt window */
944 int numlock_state;
945 line_t *row_buf; // all lines, scrollback + terminal, circular, followed by temp_buf
946 line_t *drawn_buf; // text on screen
947 line_t *swap_buf; // lines for swap buffer
948 char *tabs; /* per location: 1 == tab-stop */
949 screen_t screen;
950 screen_t swap;
951 selection_t selection;
952 rxvt_color pix_colors_focused[TOTAL_COLORS];
953 #ifdef OFF_FOCUS_FADING
954 rxvt_color pix_colors_unfocused[TOTAL_COLORS];
955 #endif
956 };
957
958 struct rxvt_term : zero_initialized, rxvt_vars, rxvt_screen
959 {
960
961 // special markers with magic addresses
962 static const char resval_undef []; // options specifically unset
963 static const char resval_on []; // boolean options switched on
964 static const char resval_off []; // or off
965
966 log_callback *log_hook; // log error messages through this hook, if != 0
967 getfd_callback *getfd_hook; // convert remote to local fd, if != 0
968 #if ENABLE_PERL
969 rxvt_perl_term perl;
970 #endif
971 struct mbstate mbstate; // current input multibyte state
972
973 unsigned char want_refresh:1,
974 current_screen:1, /* primary or secondary */
975 num_scr_allow:1,
976 bypass_keystate:1,
977 #if ENABLE_FRILLS
978 urgency_hint:1,
979 #endif
980 #if CURSOR_BLINK
981 hidden_cursor:1,
982 #endif
983 #if TEXT_BLINK
984 hidden_text:1,
985 #endif
986 #if POINTER_BLANK
987 hidden_pointer:1,
988 #endif
989 enc_utf8:1, /* whether locale uses utf-8 */
990 seen_input:1, /* whether we have seen some program output yet */
991 seen_resize:1, /* whether we had a resize event */
992 parsed_geometry:1;
993
994 unsigned char refresh_type,
995 #ifdef META8_OPTION
996 meta_char, /* Alt-key prefix */
997 #endif
998 selection_wait,
999 selection_type;
1000 /* ---------- */
1001 bool rvideo_state, rvideo_mode;
1002 #ifndef NO_BELL
1003 bool rvideo_bell;
1004 #endif
1005 int num_scr; /* screen: number of lines scrolled */
1006 int prev_ncol, /* screen: previous number of columns */
1007 prev_nrow; /* screen: previous number of rows */
1008 /* ---------- */
1009 rend_t rstyle;
1010 /* ---------- */
1011 #ifdef SELECTION_SCROLLING
1012 int scroll_selection_lines;
1013 enum page_dirn scroll_selection_dir;
1014 int selection_save_x,
1015 selection_save_y,
1016 selection_save_state;
1017 #endif
1018 /* ---------- */
1019 int csrO, /* Hops - csr offset in thumb/slider to */
1020 /* give proper Scroll behaviour */
1021 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1022 mouse_slip_wheel_speed,
1023 #endif
1024 refresh_count,
1025 window_vt_x,
1026 window_vt_y,
1027 mouse_row,
1028 mouse_col,
1029 # ifdef POINTER_BLANK
1030 pointerBlankDelay,
1031 # endif
1032 allowedxerror;
1033 /* ---------- */
1034 unsigned int ModLevel3Mask,
1035 ModMetaMask,
1036 ModNumLockMask;
1037 int old_width, /* last used width in screen resize */
1038 old_height; /* last used height in screen resize */
1039 unsigned long priv_modes,
1040 SavedModes;
1041 /* ---------- */
1042 Atom *xa;
1043 /* ---------- */
1044 Time selection_time,
1045 selection_request_time,
1046 clipboard_time;
1047 pid_t cmd_pid; /* process id of child */
1048 char * incr_buf;
1049 size_t incr_buf_size, incr_buf_fill;
1050 /* ---------- */
1051 struct mouse_event MEvent;
1052 XComposeStatus compose;
1053 struct termios tio;
1054 row_col_t oldcursor;
1055 #ifdef HAVE_BG_PIXMAP
1056 bgPixmap_t bgPixmap;
1057 #endif
1058 #ifdef HAVE_AFTERIMAGE
1059 ASVisual *asv;
1060 ASImageManager *asimman;
1061
1062 void init_asv ()
1063 {
1064 if (!asv)
1065 asv = create_asvisual_for_id (dpy, display->screen, depth, XVisualIDFromVisual (visual), cmap, NULL);
1066 }
1067 #endif
1068
1069 #if ENABLE_OVERLAY
1070 overlay_base ov;
1071
1072 void scr_swap_overlay () NOTHROW;
1073 void scr_overlay_new (int x, int y, int w, int h) NOTHROW;
1074 void scr_overlay_off () NOTHROW;
1075 void scr_overlay_set (int x, int y,
1076 text_t text,
1077 rend_t rend = OVERLAY_RSTYLE) NOTHROW;
1078 void scr_overlay_set (int x, int y, const char *s) NOTHROW;
1079 void scr_overlay_set (int x, int y, const wchar_t *s) NOTHROW;
1080 #endif
1081
1082 vector<void *> allocated; // free these memory blocks with free()
1083
1084 char env_windowid[21]; /* environmental variable WINDOWID */
1085 char env_colorfgbg[sizeof ("COLORFGBG=default;default;bg") + 1];
1086 char *env_display; /* environmental variable DISPLAY */
1087 char *env_term; /* environmental variable TERM */
1088
1089 char *locale;
1090 char charsets[4];
1091 char *v_buffer; /* pointer to physical buffer */
1092 unsigned int v_buflen; /* size of area to write */
1093 stringvec *argv, *envv; /* if != 0, will be freed at destroy time */
1094
1095 #ifdef KEYSYM_RESOURCE
1096 keyboard_manager *keyboard;
1097 #endif
1098 #ifndef NO_RESOURCES
1099 XrmDatabase option_db;
1100 #endif
1101
1102 const char *rs[NUM_RESOURCES];
1103 /* command input buffering */
1104 char *cmdbuf_ptr, *cmdbuf_endp;
1105 char cmdbuf_base[CBUFSIZ];
1106
1107 ptytty *pty;
1108
1109 rxvt_salloc *talloc; // text line allocator
1110 rxvt_salloc *ralloc; // rend line allocator
1111
1112 static vector<rxvt_term *> termlist; // a vector of all running rxvt_term's
1113
1114 #if ENABLE_FRILLS || ISO_14755
1115 // ISO 14755 entry support
1116 unicode_t iso14755buf;
1117 void commit_iso14755 ();
1118 # if ISO_14755
1119 void iso14755_51 (unicode_t ch, rend_t r = DEFAULT_RSTYLE, int x = 0, int y = -1);
1120 void iso14755_54 (int x, int y);
1121 # endif
1122 #endif
1123
1124 long vt_emask, vt_emask_perl, vt_emask_xim, vt_emask_mouse;
1125
1126 void vt_select_input () const NOTHROW
1127 {
1128 XSelectInput (dpy, vt, vt_emask | vt_emask_perl | vt_emask_xim | vt_emask_mouse);
1129 }
1130
1131 #if ENABLE_TRANSPARENCY || ENABLE_PERL
1132 void rootwin_cb (XEvent &xev);
1133 xevent_watcher rootwin_ev;
1134 #endif
1135 #ifdef HAVE_BG_PIXMAP
1136 void update_background ();
1137 #if TRACE_PIXMAPS
1138 void trace_update_background (const char *file, int line);
1139 # define update_background() trace_update_background (__FILE__, __LINE__)
1140 #endif
1141 void update_background_cb (ev::timer &w, int revents);
1142 ev::timer update_background_ev;
1143 #endif
1144
1145 void x_cb (XEvent &xev);
1146 xevent_watcher termwin_ev;
1147 xevent_watcher vt_ev;
1148 xevent_watcher scrollbar_ev;
1149
1150 void child_cb (ev::child &w, int revents); ev::child child_ev;
1151 void destroy_cb (ev::idle &w, int revents); ev::idle destroy_ev;
1152 void refresh_check ();
1153 void flush ();
1154 void flush_cb (ev::timer &w, int revents); ev::timer flush_ev;
1155 bool pty_fill ();
1156 void pty_cb (ev::io &w, int revents); ev::io pty_ev;
1157 void incr_cb (ev::timer &w, int revents) NOTHROW; ev::timer incr_ev;
1158
1159 #ifdef CURSOR_BLINK
1160 void cursor_blink_cb (ev::timer &w, int revents); ev::timer cursor_blink_ev;
1161 #endif
1162 #ifdef TEXT_BLINK
1163 void text_blink_cb (ev::timer &w, int revents); ev::timer text_blink_ev;
1164 #endif
1165 #ifndef NO_BELL
1166 void bell_cb (ev::timer &w, int revents); ev::timer bell_ev;
1167 #endif
1168
1169 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1170 void cont_scroll_cb (ev::timer &w, int revents); ev::timer cont_scroll_ev;
1171 #endif
1172 #ifdef SELECTION_SCROLLING
1173 void sel_scroll_cb (ev::timer &w, int revents); ev::timer sel_scroll_ev;
1174 #endif
1175 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1176 void slip_wheel_cb (ev::timer &w, int revents); ev::timer slip_wheel_ev;
1177 #endif
1178
1179 #ifdef POINTER_BLANK
1180 void pointer_cb (ev::timer &w, int revents); ev::timer pointer_ev;
1181 void pointer_blank ();
1182 #endif
1183 void pointer_unblank ();
1184
1185 void tt_printf (const char *fmt,...);
1186 void tt_write (const char *data, unsigned int len);
1187 void pty_write ();
1188
1189 void init (stringvec *argv, stringvec *envv)
1190 {
1191 this->argv = argv;
1192 init (argv->size (), argv->begin (), envv);
1193 }
1194
1195 void make_current () const // make this the "currently active" urxvt instance
1196 {
1197 SET_R (this);
1198 set_environ (envv);
1199 rxvt_set_locale (locale);
1200 }
1201
1202 #if USE_XIM
1203 rxvt_xim *input_method;
1204 XIC Input_Context;
1205 XIMStyle input_style;
1206 XPoint spot; // most recently sent spot position
1207
1208 void im_destroy ();
1209 void im_cb (); im_watcher im_ev;
1210 void im_set_size (XRectangle &size);
1211 void im_set_position (XPoint &pos) NOTHROW;
1212 void im_set_color (unsigned long &fg, unsigned long &bg);
1213 void im_set_preedit_area (XRectangle &preedit_rect, XRectangle &status_rect, const XRectangle &needed_rect);
1214
1215 bool IMisRunning ();
1216 void IMSendSpot ();
1217 bool IM_get_IC (const char *modifiers);
1218 void IMSetPosition ();
1219 #endif
1220
1221 // command.C
1222 void key_press (XKeyEvent &ev);
1223 void key_release (XKeyEvent &ev);
1224 unsigned int cmd_write (const char *str, unsigned int count);
1225
1226 wchar_t next_char () NOTHROW;
1227 wchar_t cmd_getc () THROW ((class out_of_input));
1228 uint32_t next_octet () NOTHROW;
1229 uint32_t cmd_get8 () THROW ((class out_of_input));
1230
1231 void cmd_parse ();
1232 void mouse_report (XButtonEvent &ev);
1233 void button_press (XButtonEvent &ev);
1234 void button_release (XButtonEvent &ev);
1235 void focus_in ();
1236 void focus_out ();
1237 #if ENABLE_FRILLS
1238 void set_urgency (bool enable);
1239 #else
1240 void set_urgency (bool enable) { }
1241 #endif
1242 void update_fade_color (unsigned int idx);
1243 #ifdef PRINTPIPE
1244 FILE *popen_printer ();
1245 int pclose_printer (FILE *stream);
1246 #endif
1247 void process_print_pipe ();
1248 void process_nonprinting (unicode_t ch);
1249 void process_escape_vt52 (unicode_t ch);
1250 void process_escape_seq ();
1251 void process_csi_seq ();
1252 void process_window_ops (const int *args, unsigned int nargs);
1253 char *get_to_st (unicode_t &ends_how);
1254 void process_dcs_seq ();
1255 void process_osc_seq ();
1256 void process_color_seq (int report, int color, const char *str, char resp);
1257 void process_xterm_seq (int op, char *str, char resp);
1258 int privcases (int mode, unsigned long bit);
1259 void process_terminal_mode (int mode, int priv, unsigned int nargs, const int *arg);
1260 void process_sgr_mode (unsigned int nargs, const int *arg);
1261 void process_graphics ();
1262 // init.C
1263 void init_vars ();
1264 const char **init_resources (int argc, const char *const *argv);
1265 void init (int argc, const char *const *argv, stringvec *envv);
1266 void init_env ();
1267 void set_locale (const char *locale);
1268 void init_xlocale ();
1269 void init_command (const char *const *argv);
1270 void run_command (const char *const *argv);
1271 int run_child (const char *const *argv);
1272 void color_aliases (int idx);
1273 void create_windows (int argc, const char *const *argv);
1274 void get_colours ();
1275 void get_ourmods ();
1276 // main.C
1277 void tt_winch ();
1278 rxvt_term ();
1279 ~rxvt_term ();
1280 void destroy ();
1281 void emergency_cleanup ();
1282 void recolour_cursor ();
1283 void resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent);
1284 void window_calc (unsigned int newwidth, unsigned int newheight);
1285 bool set_fonts ();
1286 void set_string_property (Atom prop, const char *str, int len = -1);
1287 void set_utf8_property (Atom prop, const char *str, int len = -1);
1288 void set_title (const char *str);
1289 void set_icon_name (const char *str);
1290 void set_window_color (int idx, const char *color);
1291 void set_colorfgbg ();
1292 bool set_color (rxvt_color &color, const char *name);
1293 void alias_color (int dst, int src);
1294 void set_widthheight (unsigned int newwidth, unsigned int newheight);
1295 void get_window_origin (int &x, int &y);
1296 Pixmap get_pixmap_property (int prop_id);
1297
1298 // screen.C
1299
1300 void lalloc (line_t &l) const
1301 {
1302 l.t = (text_t *)talloc->alloc ();
1303 l.r = (rend_t *)ralloc->alloc ();
1304 }
1305
1306 #if 0
1307 void lfree (line_t &l)
1308 {
1309 talloc->free (l.t);
1310 ralloc->free (l.r);
1311 }
1312 #endif
1313
1314 void lresize (line_t &l) const
1315 {
1316 if (!l.t)
1317 return;
1318
1319 l.t = (text_t *)talloc->alloc (l.t, prev_ncol * sizeof (text_t));
1320 l.r = (rend_t *)ralloc->alloc (l.r, prev_ncol * sizeof (rend_t));
1321
1322 l.l = min (l.l, ncol);
1323
1324 if (ncol > prev_ncol)
1325 scr_blank_line (l, prev_ncol, ncol - prev_ncol, DEFAULT_RSTYLE);
1326 }
1327
1328 int fgcolor_of (rend_t r) const NOTHROW
1329 {
1330 int base = GET_BASEFG (r);
1331 #ifndef NO_BRIGHTCOLOR
1332 if (r & RS_Bold
1333 # if ENABLE_STYLES
1334 && option (Opt_intensityStyles)
1335 # endif
1336 && IN_RANGE_INC (base, minCOLOR, minBrightCOLOR))
1337 base += minBrightCOLOR - minCOLOR;
1338 #endif
1339 return base;
1340 }
1341
1342 int bgcolor_of (rend_t r) const NOTHROW
1343 {
1344 int base = GET_BASEBG (r);
1345 #ifndef NO_BRIGHTCOLOR
1346 if (r & RS_Blink
1347 # if ENABLE_STYLES
1348 && option (Opt_intensityStyles)
1349 # endif
1350 && IN_RANGE_INC (base, minCOLOR, minBrightCOLOR))
1351 base += minBrightCOLOR - minCOLOR;
1352 #endif
1353 return base;
1354 }
1355
1356 bool option (uint8_t opt) const NOTHROW
1357 {
1358 if (!opt)
1359 return 0;
1360
1361 --opt;
1362 return options[opt >> 3] & (1 << (opt & 7));
1363 }
1364
1365 void set_option (uint8_t opt, bool set = true) NOTHROW
1366 {
1367 if (!opt)
1368 return;
1369
1370 --opt;
1371 if (set)
1372 options[opt >> 3] |= (1 << (opt & 7));
1373 else
1374 options[opt >> 3] &= ~(1 << (opt & 7));
1375 }
1376
1377 void set_privmode (unsigned bit, int set) NOTHROW
1378 {
1379 if (set)
1380 priv_modes |= bit;
1381 else
1382 priv_modes &= ~bit;
1383 }
1384
1385 // modifies first argument(!)
1386 void paste (char *data, unsigned int len) NOTHROW;
1387 void scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const NOTHROW;
1388 void scr_blank_screen_mem (line_t &l, rend_t efs) const NOTHROW;
1389 void scr_kill_char (line_t &l, int col) const NOTHROW;
1390 int scr_scroll_text (int row1, int row2, int count) NOTHROW;
1391 void scr_reset ();
1392 void scr_release () NOTHROW;
1393 void scr_clear (bool really = false) NOTHROW;
1394 void scr_refresh () NOTHROW;
1395 bool scr_refresh_rend (rend_t mask, rend_t value) NOTHROW;
1396 void scr_erase_screen (int mode) NOTHROW;
1397 #if ENABLE_FRILLS
1398 void scr_erase_savelines () NOTHROW;
1399 void scr_backindex () NOTHROW;
1400 void scr_forwardindex () NOTHROW;
1401 #endif
1402 void scr_touch (bool refresh) NOTHROW;
1403 void scr_expose (int x, int y, int width, int height, bool refresh) NOTHROW;
1404 void scr_recolour () NOTHROW;
1405 void scr_remap_chars () NOTHROW;
1406 void scr_remap_chars (line_t &l) NOTHROW;
1407
1408 enum cursor_mode { SAVE, RESTORE };
1409
1410 void scr_poweron ();
1411 void scr_soft_reset () NOTHROW;
1412 void scr_cursor (cursor_mode mode) NOTHROW;
1413 void scr_do_wrap () NOTHROW;
1414 void scr_swap_screen () NOTHROW;
1415 void scr_change_screen (int scrn);
1416 void scr_color (unsigned int color, int fgbg) NOTHROW;
1417 void scr_rendition (int set, int style) NOTHROW;
1418 void scr_add_lines (const wchar_t *str, int len, int minlines = 0) NOTHROW;
1419 void scr_backspace () NOTHROW;
1420 void scr_tab (int count, bool ht = false) NOTHROW;
1421 void scr_gotorc (int row, int col, int relative) NOTHROW;
1422 void scr_index (enum page_dirn direction) NOTHROW;
1423 void scr_erase_line (int mode) NOTHROW;
1424 void scr_E () NOTHROW;
1425 void scr_insdel_lines (int count, int insdel) NOTHROW;
1426 void scr_insdel_chars (int count, int insdel) NOTHROW;
1427 void scr_scroll_region (int top, int bot) NOTHROW;
1428 void scr_cursor_visible (int mode) NOTHROW;
1429 void scr_autowrap (int mode) NOTHROW;
1430 void scr_relative_origin (int mode) NOTHROW;
1431 void scr_insert_mode (int mode) NOTHROW;
1432 void scr_set_tab (int mode) NOTHROW;
1433 void scr_rvideo_mode (bool on) NOTHROW;
1434 void scr_report_position () NOTHROW;
1435 void set_font_style () NOTHROW;
1436 void scr_charset_choose (int set) NOTHROW;
1437 void scr_charset_set (int set, unsigned int ch) NOTHROW;
1438 void scr_move_to (int y, int len) NOTHROW;
1439 bool scr_page (enum page_dirn direction, int nlines) NOTHROW;
1440 bool scr_changeview (int new_view_start) NOTHROW;
1441 void scr_bell () NOTHROW;
1442 void scr_printscreen (int fullhist) NOTHROW;
1443 void scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) NOTHROW;
1444 void scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) NOTHROW;
1445 void scr_reverse_selection () NOTHROW;
1446 void scr_dump (int fd) NOTHROW;
1447
1448 void selection_check (int check_more) NOTHROW;
1449 void selection_paste (Window win, Atom prop, bool delete_prop) NOTHROW;
1450 void selection_property (Window win, Atom prop) NOTHROW;
1451 void selection_request (Time tm, int selnum = Sel_Primary) NOTHROW;
1452 int selection_request_other (Atom target, int selnum) NOTHROW;
1453 void selection_clear (bool clipboard = false) NOTHROW;
1454 void clipboard_copy (Time tm);
1455 void selection_make (Time tm);
1456 bool selection_grab (Time tm, bool clipboard = false) NOTHROW;
1457 void selection_start_colrow (int col, int row) NOTHROW;
1458 void selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW;
1459 void selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW;
1460 void selection_remove_trailing_spaces () NOTHROW;
1461 void selection_send (const XSelectionRequestEvent &rq) NOTHROW;
1462 void selection_click (int clicks, int x, int y) NOTHROW;
1463 void selection_extend (int x, int y, int flag) NOTHROW;
1464 void selection_rotate (int x, int y) NOTHROW;
1465
1466 // xdefaults.C
1467 void get_options (int argc, const char *const *argv);
1468 int parse_keysym (const char *str, const char *arg);
1469 const char *x_resource (const char *name);
1470 void extract_resources ();
1471 };
1472
1473 #endif /* _RXVT_H_ */
1474