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/cvs/rxvt-unicode/src/rxvt.h
Revision: 1.360
Committed: Mon Feb 18 09:58:05 2008 UTC (16 years, 3 months ago) by ayin
Content type: text/plain
Branch: MAIN
Changes since 1.359: +0 -1 lines
Log Message:
Move the resize of the scrollbar window in scrollbar_resize.

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 #if !defined (EACCESS) && defined(EAGAIN)
118 # define EACCESS EAGAIN
119 #endif
120
121 #ifndef EXIT_SUCCESS /* missing from <stdlib.h> */
122 # define EXIT_SUCCESS 0 /* exit function success */
123 # define EXIT_FAILURE 1 /* exit function failure */
124 #endif
125
126 #ifndef PATH_MAX
127 # define PATH_MAX 16384
128 #endif
129
130 /****************************************************************************/
131
132 // exception thrown on fatal (per-instance) errors
133 class rxvt_failure_exception { };
134
135 // exception thrown when the command parser runs out of input data
136 class out_of_input { };
137
138 /*
139 *****************************************************************************
140 * PROTOTYPES
141 *****************************************************************************
142 */
143 // main.C
144 #define SET_LOCALE(locale) rxvt_set_locale (locale)
145 extern bool rxvt_set_locale (const char *locale) NOTHROW;
146 extern void rxvt_push_locale (const char *locale) NOTHROW;
147 extern void rxvt_pop_locale () NOTHROW;
148 void rxvt_init ();
149
150 // misc.C
151 char * rxvt_wcstombs (const wchar_t *str, int len = -1);
152 wchar_t * rxvt_mbstowcs (const char *str, int len = -1);
153 char * rxvt_wcstoutf8 (const wchar_t *str, int len = -1);
154 wchar_t * rxvt_utf8towcs (const char *str, int len = -1);
155
156 char * rxvt_basename (const char *str) NOTHROW;
157 void rxvt_vlog (const char *fmt, va_list arg_ptr) NOTHROW;
158 void rxvt_log (const char *fmt,...) NOTHROW;
159 void rxvt_warn (const char *fmt,...) NOTHROW;
160 void rxvt_fatal (const char *fmt, ...) THROW ((class rxvt_failure_exception)) NORETURN;
161 void rxvt_exit_failure () THROW ((class rxvt_failure_exception)) NORETURN;
162
163 char * rxvt_strtrim (char *str) NOTHROW;
164 char ** rxvt_splitcommastring (const char *cs) NOTHROW;
165 void rxvt_freecommastring (char **cs) NOTHROW;
166
167 void * rxvt_malloc (size_t size);
168 void * rxvt_calloc (size_t number, size_t size);
169 void * rxvt_realloc (void *ptr, size_t size);
170
171 /////////////////////////////////////////////////////////////////////////////
172
173 // temporarily replace the process environment
174 extern char **environ;
175 extern char **rxvt_environ; // the original environ pointer
176
177 static inline void
178 set_environ (stringvec *envv)
179 {
180 #if ENABLE_PERL
181 assert (envv);
182 #else
183 if (envv)
184 #endif
185 environ = (char **)envv->begin ();
186 }
187
188 static inline void
189 set_environ (char **envv)
190 {
191 #if ENABLE_PERL
192 assert (envv);
193 #else
194 if (envv)
195 #endif
196 environ = envv;
197 }
198
199 /*
200 *****************************************************************************
201 * STRUCTURES AND TYPEDEFS
202 *****************************************************************************
203 */
204
205 /*
206 * the 'essential' information for reporting Mouse Events
207 * pared down from XButtonEvent
208 */
209 struct mouse_event {
210 int clicks;
211 Time time; /* milliseconds */
212 unsigned int state; /* key or button mask */
213 unsigned int button; /* detail */
214 };
215
216 #if ENABLE_XEMBED
217 // XEMBED messages
218 # define XEMBED_EMBEDDED_NOTIFY 0
219 # define XEMBED_WINDOW_ACTIVATE 1
220 # define XEMBED_WINDOW_DEACTIVATE 2
221 # define XEMBED_REQUEST_FOCUS 3
222 # define XEMBED_FOCUS_IN 4
223 # define XEMBED_FOCUS_OUT 5
224 # define XEMBED_FOCUS_NEXT 6
225 # define XEMBED_FOCUS_PREV 7
226
227 # define XEMBED_MODALITY_ON 10
228 # define XEMBED_MODALITY_OFF 11
229 # define XEMBED_REGISTER_ACCELERATOR 12
230 # define XEMBED_UNREGISTER_ACCELERATOR 13
231 # define XEMBED_ACTIVATE_ACCELERATOR 14
232
233 // XEMBED detail code
234 # define XEMBED_FOCUS_CURRENT 0
235 # define XEMBED_FOCUS_FIRST 1
236 # define XEMBED_FOCUS_LAST 2
237
238 # define XEMBED_MAPPED (1 << 0)
239 #endif
240
241 /*
242 *****************************************************************************
243 * NORMAL DEFINES
244 *****************************************************************************
245 */
246
247 /* COLORTERM, TERM environment variables */
248 #define COLORTERMENV "rxvt"
249 #ifdef BG_IMAGE_FROM_FILE
250 # define COLORTERMENVFULL COLORTERMENV "-xpm"
251 #else
252 # define COLORTERMENVFULL COLORTERMENV
253 #endif
254 #ifndef TERMENV
255 # define TERMENV "rxvt-unicode"
256 #endif
257
258 #if defined (NO_MOUSE_REPORT) && !defined (NO_MOUSE_REPORT_SCROLLBAR)
259 # define NO_MOUSE_REPORT_SCROLLBAR 1
260 #endif
261
262 #define scrollBar_esc 30
263
264 #if !defined (RXVT_SCROLLBAR) && !defined (NEXT_SCROLLBAR)
265 # define NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING 1
266 #endif
267
268 enum {
269 NO_REFRESH = 0, /* Window not visible at all! */
270 FAST_REFRESH = 1, /* Fully exposed window */
271 SLOW_REFRESH = 2, /* Partially exposed window */
272 };
273
274 #ifdef NO_SECONDARY_SCREEN
275 # define NSCREENS 0
276 #else
277 # define NSCREENS 1
278 #endif
279
280 /* special (internal) prefix for font commands */
281 #define FONT_CMD '#'
282 #define FONT_DN "#-"
283 #define FONT_UP "#+"
284
285 /* flags for rxvt_scr_gotorc () */
286 enum {
287 C_RELATIVE = 1, /* col movement is relative */
288 R_RELATIVE = 2, /* row movement is relative */
289 RELATIVE = C_RELATIVE | R_RELATIVE,
290 };
291
292 /* modes for rxvt_scr_insdel_chars (), rxvt_scr_insdel_lines () */
293 enum {
294 INSERT = -1, /* don't change these values */
295 DELETE = +1,
296 ERASE = +2,
297 };
298
299 /* modes for rxvt_scr_page () - scroll page. used by scrollbar window */
300 enum page_dirn {
301 UP,
302 DN,
303 NO_DIR,
304 };
305
306 /* arguments for rxvt_scr_change_screen () */
307 enum {
308 PRIMARY = 0,
309 SECONDARY,
310 };
311
312 #define RS_None 0
313
314 #define RS_fgMask 0x0000007fUL // 128 colors
315 #define RS_bgMask 0x00003f80UL // 128 colors
316
317 // font styles
318 #define RS_Bold 0x00004000UL // value 1
319 #define RS_Italic 0x00008000UL // value 2
320
321 // fake styles
322 #define RS_Blink 0x00010000UL // blink
323 #define RS_RVid 0x00020000UL // reverse video
324 #define RS_Uline 0x00040000UL // underline
325
326 // toggle this to force redraw, must be != RS_Careful
327 #define RS_redraw 0x01000000UL
328
329 // 5 custom bits for extensions
330 #define RS_customCount 32
331 #define RS_customMask 0x00f80000UL
332 #define RS_customShift 19
333
334 // other flags
335 #define RS_Careful 0x80000000UL /* be careful when drawing these */
336
337 #define RS_styleCount 4
338 #define RS_styleMask (RS_Bold | RS_Italic)
339 #define RS_styleShift 14
340
341 #define RS_baseattrMask (RS_Italic | RS_Bold | RS_Blink | RS_RVid | RS_Uline)
342 #define RS_attrMask (RS_baseattrMask | RS_fontMask)
343
344 #define RS_fontCount 127 // not 127 or 256, see rxvtfont.h
345 #define RS_fontMask 0xff000000UL // plenty(?) of fonts, includes RS_Careful
346 #define RS_fontShift 24
347
348 #define DEFAULT_RSTYLE (RS_None | Color_fg | (Color_bg << Color_Bits))
349 #define OVERLAY_RSTYLE (RS_None | Color_Black | (Color_Yellow << Color_Bits))
350
351 #define Sel_none 0 /* Not waiting */
352 #define Sel_normal 0x01 /* normal selection */
353 #define Sel_incr 0x02 /* incremental selection */
354 #define Sel_direct 0x00
355 #define Sel_Primary 0x01
356 #define Sel_Secondary 0x02
357 #define Sel_Clipboard 0x03
358 #define Sel_whereMask 0x0f
359 #define Sel_CompoundText 0x10 /* last request was COMPOUND_TEXT */
360 #define Sel_UTF8String 0x20 /* last request was UTF8_STRING */
361
362 enum {
363 C0_NUL = 0x00,
364 C0_SOH, C0_STX, C0_ETX, C0_EOT, C0_ENQ, C0_ACK, C0_BEL,
365 C0_BS , C0_HT , C0_LF , C0_VT , C0_FF , C0_CR , C0_SO , C0_SI ,
366 C0_DLE, C0_DC1, C0_DC2, D0_DC3, C0_DC4, C0_NAK, C0_SYN, C0_ETB,
367 C0_CAN, C0_EM , C0_SUB, C0_ESC, C0_IS4, C0_IS3, C0_IS2, C0_IS1,
368 };
369 #define CHAR_ST 0x9c /* 0234 */
370
371 /*
372 * XTerm Operating System Commands: ESC ] Ps;Pt (ST|BEL)
373 * colour extensions by Christian W. Zuckschwerdt <zany@triq.net>
374 */
375 enum {
376 XTerm_name = 0,
377 XTerm_iconName = 1,
378 XTerm_title = 2,
379 XTerm_property = 3, // change X property
380 XTerm_Color = 4, // change colors
381 XTerm_Color00 = 10, // change fg color
382 XTerm_Color01 = 11, // change bg color
383 XTerm_Color_cursor = 12, // change actual 'Cursor' color
384 XTerm_Color_pointer_fg = 13, // change actual 'Pointer' fg color
385 XTerm_Color_pointer_bg = 14, // change actual 'Pointer' bg color
386 XTerm_Color05 = 15, // not implemented (tektronix fg)
387 XTerm_Color06 = 16, // not implemented (tektronix bg)
388 XTerm_Color_RV = 17, // change actual 'Highlight' color
389 XTerm_logfile = 46, // not implemented
390 XTerm_font = 50,
391
392 XTerm_konsole30 = 30, // reserved for konsole
393 XTerm_konsole31 = 31, // reserved for konsole
394 XTerm_emacs51 = 51, // reserved for emacs shell
395 /*
396 * rxvt extensions of XTerm OSCs: ESC ] Ps;Pt (ST|BEL)
397 */
398
399 // deprecated
400 Rxvt_Color_BD = 18,
401 Rxvt_Color_UL = 19,
402 Rxvt_restoreFG = 39,
403 Rxvt_restoreBG = 49,
404
405 Rxvt_Pixmap = 20, // new bg pixmap
406 Rxvt_dumpscreen = 55, // dump scrollback and all of screen
407
408 URxvt_locale = 701, // change locale
409 URxvt_version = 702, // request version
410
411 URxvt_Color_IT = 704, // change actual 'Italic' colour
412 URxvt_Color_tint = 705, // change actual tint colour
413 URxvt_Color_BD = 706, // change actual 'Bold' color
414 URxvt_Color_UL = 707, // change actual 'Underline' color
415
416 URxvt_font = 710,
417 URxvt_boldFont = 711,
418 URxvt_italicFont = 712,
419 URxvt_boldItalicFont = 713,
420
421 URxvt_view_up = 720,
422 URxvt_view_down = 721,
423
424 URxvt_perl = 777,
425 };
426
427 /* Words starting with `Color_' are colours. Others are counts */
428 /*
429 * The PixColor and rendition colour usage should probably be decoupled
430 * on the unnecessary items, e.g. Color_pointer, but won't bother
431 * until we need to. Also, be aware of usage in pixcolor_set
432 */
433
434 enum colour_list {
435 Color_none = -2,
436 Color_transparent = -1,
437 Color_fg = 0,
438 Color_bg,
439 minCOLOR, /* 2 */
440 Color_Black = minCOLOR,
441 Color_Red3,
442 Color_Green3,
443 Color_Yellow3,
444 Color_Blue3,
445 Color_Magenta3,
446 Color_Cyan3,
447 maxCOLOR, /* minCOLOR + 7 */
448 #ifndef NO_BRIGHTCOLOR
449 Color_AntiqueWhite = maxCOLOR,
450 minBrightCOLOR, /* maxCOLOR + 1 */
451 Color_Grey25 = minBrightCOLOR,
452 Color_Red,
453 Color_Green,
454 Color_Yellow,
455 Color_Blue,
456 Color_Magenta,
457 Color_Cyan,
458 maxBrightCOLOR, /* minBrightCOLOR + 7 */
459 Color_White = maxBrightCOLOR,
460 #else
461 Color_White = maxCOLOR,
462 #endif
463 minTermCOLOR = Color_White + 1,
464 maxTermCOLOR = Color_White + 72,
465 #ifndef NO_CURSORCOLOR
466 Color_cursor,
467 Color_cursor2,
468 #endif
469 Color_pointer_fg,
470 Color_pointer_bg,
471 Color_border,
472 #ifndef NO_BOLD_UNDERLINE_REVERSE
473 Color_BD,
474 Color_IT,
475 Color_UL,
476 Color_RV,
477 #endif
478 #if ENABLE_FRILLS
479 Color_underline,
480 #endif
481 #ifdef OPTION_HC
482 Color_HC,
483 #endif
484 Color_scroll,
485 #ifdef RXVT_SCROLLBAR
486 Color_trough,
487 #endif
488 #if ENABLE_TRANSPARENCY
489 Color_tint,
490 #endif
491 #if OFF_FOCUS_FADING
492 Color_fade,
493 #endif
494 NRS_COLORS, /* */
495 #ifdef RXVT_SCROLLBAR
496 Color_topShadow = NRS_COLORS,
497 Color_bottomShadow,
498 TOTAL_COLORS
499 #else
500 TOTAL_COLORS = NRS_COLORS
501 #endif
502 };
503
504 #define Color_Bits 7 // 0 .. maxTermCOLOR
505
506 /*
507 * Resource list
508 */
509 enum {
510 # define def(name) Rs_ ## name,
511 # define reserve(name,count) Rs_ ## name ## _ = Rs_ ## name + (count) - 1,
512 # include "rsinc.h"
513 # undef def
514 # undef reserve
515 NUM_RESOURCES
516 };
517
518 /* DEC private modes */
519 #define PrivMode_132 (1UL<<0)
520 #define PrivMode_132OK (1UL<<1)
521 #define PrivMode_rVideo (1UL<<2)
522 #define PrivMode_relOrigin (1UL<<3)
523 #define PrivMode_Screen (1UL<<4)
524 #define PrivMode_Autowrap (1UL<<5)
525 #define PrivMode_aplCUR (1UL<<6)
526 #define PrivMode_aplKP (1UL<<7)
527 #define PrivMode_HaveBackSpace (1UL<<8)
528 #define PrivMode_BackSpace (1UL<<9)
529 #define PrivMode_ShiftKeys (1UL<<10)
530 #define PrivMode_VisibleCursor (1UL<<11)
531 #define PrivMode_MouseX10 (1UL<<12)
532 #define PrivMode_MouseX11 (1UL<<13)
533 #define PrivMode_scrollBar (1UL<<14)
534 #define PrivMode_TtyOutputInh (1UL<<15)
535 #define PrivMode_Keypress (1UL<<16)
536 #define PrivMode_smoothScroll (1UL<<17)
537 #define PrivMode_vt52 (1UL<<18)
538 #define PrivMode_LFNL (1UL<<19)
539 #define PrivMode_MouseBtnEvent (1UL<<20)
540 #define PrivMode_MouseAnyEvent (1UL<<21)
541 #define PrivMode_BracketPaste (1UL<<22)
542
543 #define PrivMode_mouse_report (PrivMode_MouseX10|PrivMode_MouseX11|PrivMode_MouseBtnEvent|PrivMode_MouseAnyEvent)
544
545 #ifdef ALLOW_132_MODE
546 # define PrivMode_Default (PrivMode_Autowrap|PrivMode_ShiftKeys|PrivMode_VisibleCursor|PrivMode_132OK)
547 #else
548 # define PrivMode_Default (PrivMode_Autowrap|PrivMode_ShiftKeys|PrivMode_VisibleCursor)
549 #endif
550
551 // do not change these constants lightly, there are many interdependencies
552 #define IMBUFSIZ 128 // input modifier buffer sizes
553 #define KBUFSZ 512 // size of keyboard mapping buffer
554 #define CBUFSIZ 2048 // size of command buffer
555 #define UBUFSIZ 2048 // character buffer
556
557 #if ENABLE_FRILLS
558 # include <X11/Xmd.h>
559 typedef struct _mwmhints {
560 CARD32 flags;
561 CARD32 functions;
562 CARD32 decorations;
563 INT32 input_mode;
564 CARD32 status;
565 } MWMHints;
566 #endif
567
568 /* Motif window hints */
569 #define MWM_HINTS_FUNCTIONS (1L << 0)
570 #define MWM_HINTS_DECORATIONS (1L << 1)
571 #define MWM_HINTS_INPUT_MODE (1L << 2)
572 #define MWM_HINTS_STATUS (1L << 3)
573 /* bit definitions for MwmHints.functions */
574 #define MWM_FUNC_ALL (1L << 0)
575 #define MWM_FUNC_RESIZE (1L << 1)
576 #define MWM_FUNC_MOVE (1L << 2)
577 #define MWM_FUNC_MINIMIZE (1L << 3)
578 #define MWM_FUNC_MAXIMIZE (1L << 4)
579 #define MWM_FUNC_CLOSE (1L << 5)
580 /* bit definitions for MwmHints.decorations */
581 #define MWM_DECOR_ALL (1L << 0)
582 #define MWM_DECOR_BORDER (1L << 1)
583 #define MWM_DECOR_RESIZEH (1L << 2)
584 #define MWM_DECOR_TITLE (1L << 3)
585 #define MWM_DECOR_MENU (1L << 4)
586 #define MWM_DECOR_MINIMIZE (1L << 5)
587 #define MWM_DECOR_MAXIMIZE (1L << 6)
588 /* bit definitions for MwmHints.inputMode */
589 #define MWM_INPUT_MODELESS 0
590 #define MWM_INPUT_PRIMARY_APPLICATION_MODAL 1
591 #define MWM_INPUT_SYSTEM_MODAL 2
592 #define MWM_INPUT_FULL_APPLICATION_MODAL 3
593 #define PROP_MWM_HINTS_ELEMENTS 5
594
595 /*
596 *****************************************************************************
597 * MACRO DEFINES
598 *****************************************************************************
599 */
600 #define dLocal(type,name) type const name = this->name
601
602 // for speed reasons, we assume that all codepoints 32 to 126 are
603 // single-width.
604 #define WCWIDTH(c) (IN_RANGE_INC (c, 0x20, 0x7e) ? 1 : wcwidth (c))
605
606 /* convert pixel dimensions to row/column values. Everything as int32_t */
607 #define Pixel2Col(x) Pixel2Width((int32_t)(x))
608 #define Pixel2Row(y) Pixel2Height((int32_t)(y))
609 #define Pixel2Width(x) ((int32_t)(x) / (int32_t)fwidth)
610 #define Pixel2Height(y) ((int32_t)(y) / (int32_t)fheight)
611 #define Col2Pixel(col) ((int32_t)Width2Pixel(col))
612 #define Row2Pixel(row) ((int32_t)Height2Pixel(row))
613 #define Width2Pixel(n) ((int32_t)(n) * (int32_t)fwidth)
614 #define Height2Pixel(n) ((int32_t)(n) * (int32_t)fheight)
615
616 #define LINENO(n) MOD (term_start + int(n), total_rows)
617 #define ROW(n) row_buf [LINENO (n)]
618
619 /* how to build & extract colors and attributes */
620 #define GET_BASEFG(x) (((x) & RS_fgMask))
621 #define GET_BASEBG(x) (((x) & RS_bgMask)>>Color_Bits)
622
623 #define GET_FONT(x) (((x) & RS_fontMask) >> RS_fontShift)
624 #define SET_FONT(x,fid) (((x) & ~RS_fontMask) | ((fid) << RS_fontShift))
625
626 #define GET_STYLE(x) (((x) & RS_styleMask) >> RS_styleShift)
627 #define SET_STYLE(x,style) (((x) & ~RS_styleMask) | ((style) << RS_styleShift))
628
629 #define GET_ATTR(x) (((x) & RS_attrMask))
630 #define GET_BGATTR(x) \
631 (((x) & RS_RVid) ? (((x) & (RS_attrMask & ~RS_RVid)) \
632 | (((x) & RS_fgMask)<<Color_Bits)) \
633 : ((x) & (RS_attrMask | RS_bgMask)))
634 #define SET_FGCOLOR(x,fg) (((x) & ~RS_fgMask) | (fg))
635 #define SET_BGCOLOR(x,bg) (((x) & ~RS_bgMask) | ((bg)<<Color_Bits))
636 #define SET_ATTR(x,a) (((x) & ~RS_attrMask) | (a))
637
638 #define RS_SAME(a,b) (!(((a) ^ (b)) & ~RS_Careful))
639
640 #define PIXCOLOR_NAME(idx) rs[Rs_color + (idx)]
641 #define ISSET_PIXCOLOR(idx) (!!rs[Rs_color + (idx)])
642
643 #if ENABLE_STYLES
644 # define FONTSET(style) fontset[GET_STYLE (style)]
645 #else
646 # define FONTSET(style) fontset[0]
647 #endif
648
649 typedef callback<void (const char *)> log_callback;
650 typedef callback<int (int)> getfd_callback;
651
652 /****************************************************************************/
653
654 #define LINE_LONGER 0x0001 // line is continued on the next row
655 #define LINE_FILTERED 0x0002 // line has been filtered
656 #define LINE_COMPRESSED 0x0004 // line has been compressed (NYI)
657 #define LINE_FILTER 0x0008 // line needs to be filtered before display (NYI)
658 #define LINE_BIDI 0x0010 // line needs bidi (NYI)
659
660 struct line_t {
661 text_t *t; // terminal the text
662 rend_t *r; // rendition, uses RS_ flags
663 tlen_t_ l; // length of each text line
664 uint32_t f; // flags
665
666 bool is_longer ()
667 {
668 return f & LINE_LONGER;
669 }
670
671 void is_longer (int set)
672 {
673 if (set)
674 f |= LINE_LONGER;
675 else
676 f &= ~LINE_LONGER;
677 }
678
679 void clear ()
680 {
681 t = 0;
682 r = 0;
683 l = 0;
684 f = 0;
685 }
686
687 void touch () // call whenever a line is changed/touched/updated
688 {
689 #if ENABLE_PERL
690 f &= ~LINE_FILTERED;
691 #endif
692 }
693
694 void touch (int col)
695 {
696 max_it (l, col);
697 touch ();
698 }
699 };
700
701 /****************************************************************************/
702
703 // primitive wrapper around mbstate_t to ensure initialisation
704 struct mbstate {
705 mbstate_t mbs;
706
707 operator mbstate_t *() { return &mbs; }
708 void reset () { memset (&mbs, 0, sizeof (mbs)); }
709 mbstate () { reset (); }
710 };
711
712 /****************************************************************************/
713
714 #define UNICODE_MASK 0x1fffffUL
715
716 #if UNICODE_3
717 # define COMPOSE_LO 0x40000000UL
718 # define COMPOSE_HI 0x400fffffUL
719 # define IS_COMPOSE(n) ((int32_t)(n) >= COMPOSE_LO)
720 #else
721 # if ENABLE_PERL
722 # define COMPOSE_LO 0xe000UL // our _own_ functions don't like (illegal) surrogates
723 # define COMPOSE_HI 0xf8ffUL // in utf-8, so use private use area only
724 # else
725 # define COMPOSE_LO 0xd800UL
726 # define COMPOSE_HI 0xf8ffUL
727 # endif
728 # define IS_COMPOSE(n) IN_RANGE_INC ((n), COMPOSE_LO, COMPOSE_HI)
729 #endif
730
731 #if ENABLE_COMBINING
732 // compose chars are used to represent composite characters
733 // that are not representable in unicode, as well as characters
734 // not fitting in the BMP.
735 struct compose_char {
736 unicode_t c1, c2; // any chars != NOCHAR are valid
737 compose_char (unicode_t c1, unicode_t c2)
738 : c1(c1), c2(c2)
739 { }
740 };
741
742 class rxvt_composite_vec {
743 vector<compose_char> v;
744 public:
745 text_t compose (unicode_t c1, unicode_t c2 = NOCHAR);
746 int expand (unicode_t c, wchar_t *r);
747 compose_char *operator [](text_t c)
748 {
749 return c >= COMPOSE_LO && c < COMPOSE_LO + v.size ()
750 ? &v[c - COMPOSE_LO]
751 : 0;
752 }
753 };
754
755 extern class rxvt_composite_vec rxvt_composite;
756 #endif
757
758 /****************************************************************************/
759
760 #ifdef KEYSYM_RESOURCE
761 class keyboard_manager;
762 #endif
763
764 typedef struct rxvt_term *rxvt_t;
765
766 extern rxvt_t rxvt_current_term;
767
768 #define SET_R(r) rxvt_current_term = const_cast<rxvt_term *>(r)
769 #define GET_R rxvt_current_term
770
771 typedef struct {
772 int row;
773 int col;
774 } row_col_t;
775
776 /*
777 * terminal limits:
778 *
779 * width : 1 <= width
780 * height : 1 <= height
781 * ncol : 1 <= ncol <= MAX(tlen_t)
782 * nrow : 1 <= nrow <= MAX(int)
783 * saveLines : 0 <= saveLines <= MAX(int)
784 * term_start : 0 <= term_start < saveLines
785 * total_rows : nrow + saveLines
786 *
787 * top_row : -saveLines <= top_row <= 0
788 * view_start : top_row <= view_start <= 0
789 *
790 * | most coordinates are stored relative to term_start,
791 * ROW_BUF | which is the first line of the terminal screen
792 * |························= row_buf[0]
793 * |························= row_buf[1]
794 * |························= row_buf[2] etc.
795 * |
796 * +------------+···········= term_start + top_row
797 * | scrollback |
798 * | scrollback +---------+·= term_start + view_start
799 * | scrollback | display |
800 * | scrollback | display |
801 * +------------+·display·+·= term_start
802 * | terminal | display |
803 * | terminal +---------+
804 * | terminal |
805 * | terminal |
806 * +------------+···········= term_stat + nrow - 1
807 * |
808 * |
809 * END······················= total_rows
810 */
811
812 struct TermWin_t {
813 int width; /* window width [pixels] */
814 int height; /* window height [pixels] */
815 int fwidth; /* font width [pixels] */
816 int fheight; /* font height [pixels] */
817 int fbase; /* font ascent (baseline) [pixels] */
818 int ncol; /* window columns [characters] */
819 int nrow; /* window rows [characters] */
820 int focus; /* window has focus */
821 int mapped; /* window state mapped? */
822 int int_bwidth; /* internal border width */
823 int ext_bwidth; /* external border width */
824 int lineSpace; /* number of extra pixels between rows */
825 int saveLines; /* number of lines that fit in scrollback */
826 int total_rows; /* total number of rows in this terminal */
827 int term_start; /* term lines start here */
828 int view_start; /* scrollback view starts here */
829 int top_row; /* topmost row index of scrollback */
830 Window parent[6]; /* parent identifiers - we're parent[0] */
831 Window vt; /* vt100 window */
832 GC gc; /* GC for drawing */
833 Pixmap pixmap;
834 rxvt_drawable *drawable;
835 rxvt_fontset *fontset[4];
836 };
837
838 /*
839 * screen accounting:
840 * screen_t elements
841 * row: Cursor row position : 0 <= row < nrow
842 * col: Cursor column position : 0 <= col < ncol
843 * tscroll: Scrolling region top row inclusive : 0 <= row < nrow
844 * bscroll: Scrolling region bottom row inclusive : 0 <= row < nrow
845 *
846 * selection_t elements
847 * clicks: 1, 2 or 3 clicks - 4 indicates a special condition of 1 where
848 * nothing is selected
849 * beg: row/column of beginning of selection : never past mark
850 * mark: row/column of initial click : never past end
851 * end: row/column of one character past end of selection
852 * * Note: -nsaved <= beg.row <= mark.row <= end.row < nrow
853 * * Note: col == -1 ==> we're left of screen
854 *
855 */
856 typedef struct {
857 row_col_t cur; /* cursor position on the screen */
858 int tscroll; /* top of settable scroll region */
859 int bscroll; /* bottom of settable scroll region */
860 unsigned int charset; /* character set number [0..3] */
861 unsigned int flags; /* see below */
862 row_col_t s_cur; /* saved cursor position */
863 unsigned int s_charset; /* saved character set number [0..3] */
864 char s_charset_char;
865 rend_t s_rstyle; /* saved rendition style */
866 } screen_t;
867
868 enum selection_op_t {
869 SELECTION_CLEAR = 0, /* nothing selected */
870 SELECTION_INIT, /* marked a point */
871 SELECTION_BEGIN, /* started a selection */
872 SELECTION_CONT, /* continued selection */
873 SELECTION_DONE /* selection put in CUT_BUFFER0 */
874 };
875
876 typedef struct {
877 wchar_t *text; /* selected text */
878 unsigned int len; /* length of selected text */
879 unsigned int screen; /* screen being used */
880 unsigned int clicks; /* number of clicks */
881 selection_op_t op; /* current operation */
882 bool rect; /* rectangular selection? */
883 row_col_t beg; /* beginning of selection <= mark */
884 row_col_t mark; /* point of initial click <= end */
885 row_col_t end; /* one character past end point */
886 } selection_t;
887
888 /* ------------------------------------------------------------------------- */
889
890 /* screen_t flags */
891 #define Screen_Relative (1<<0) /* relative origin mode flag */
892 #define Screen_VisibleCursor (1<<1) /* cursor visible? */
893 #define Screen_Autowrap (1<<2) /* auto-wrap flag */
894 #define Screen_Insert (1<<3) /* insert mode (vs. overstrike) */
895 #define Screen_WrapNext (1<<4) /* need to wrap for next char? */
896 #define Screen_DefaultFlags (Screen_VisibleCursor | Screen_Autowrap)
897
898 /* rxvt_vars.options */
899 enum {
900 # define def(name,idx) Opt_ ## name = idx,
901 # define nodef(name) Opt_ ## name = 0,
902 # include "optinc.h"
903 # undef nodef
904 # undef def
905 Opt_count
906 };
907
908 /* ------------------------------------------------------------------------- */
909
910 struct rxvt_vars : TermWin_t {
911 scrollBar_t scrollBar;
912 uint8_t options[(Opt_count + 7) >> 3];
913 XSizeHints szHint;
914 rxvt_color *pix_colors;
915 Cursor TermWin_cursor; /* cursor for vt window */
916 int numlock_state;
917 line_t *row_buf; // all lines, scrollback + terminal, circular, followed by temp_buf
918 line_t *drawn_buf; // text on screen
919 line_t *swap_buf; // lines for swap buffer
920 char *tabs; /* per location: 1 == tab-stop */
921 screen_t screen;
922 screen_t swap;
923 selection_t selection;
924 rxvt_color pix_colors_focused[TOTAL_COLORS];
925 #ifdef OFF_FOCUS_FADING
926 rxvt_color pix_colors_unfocused[TOTAL_COLORS];
927 #endif
928 };
929
930 struct rxvt_term : zero_initialized, rxvt_vars, rxvt_screen {
931
932 // special markers with magic addresses
933 static const char resval_undef []; // options specifically unset
934 static const char resval_on []; // boolean options switched on
935 static const char resval_off []; // or off
936
937 log_callback *log_hook; // log error messages through this hook, if != 0
938 getfd_callback *getfd_hook; // convert remote to local fd, if != 0
939 #if ENABLE_PERL
940 rxvt_perl_term perl;
941 #endif
942 struct mbstate mbstate; // current input multibyte state
943
944 unsigned char want_refresh:1,
945 current_screen:1, /* primary or secondary */
946 num_scr_allow:1,
947 bypass_keystate:1,
948 #ifdef CURSOR_BLINK
949 hidden_cursor:1,
950 #endif
951 #ifdef TEXT_BLINK
952 hidden_text:1,
953 #endif
954 #ifdef POINTER_BLANK
955 hidden_pointer:1,
956 #endif
957 enc_utf8:1, /* wether locale uses utf-8 */
958 seen_input:1, /* wether we have seen some program output yet */
959 seen_resize:1, /* wether we had a resize event */
960 parsed_geometry:1;
961
962 unsigned char refresh_type,
963 #ifdef META8_OPTION
964 meta_char, /* Alt-key prefix */
965 #endif
966 selection_wait,
967 selection_type;
968 /* ---------- */
969 bool rvideo_state, rvideo_mode;
970 #ifndef NO_BELL
971 bool rvideo_bell;
972 #endif
973 int num_scr; /* screen: number lines scrolled */
974 int prev_ncol, /* screen: previous number of columns */
975 prev_nrow; /* screen: previous number of rows */
976 /* ---------- */
977 rend_t rstyle;
978 /* ---------- */
979 #ifdef SELECTION_SCROLLING
980 int scroll_selection_lines;
981 enum page_dirn scroll_selection_dir;
982 int selection_save_x,
983 selection_save_y,
984 selection_save_state;
985 #endif
986 /* ---------- */
987 int csrO, /* Hops - csr offset in thumb/slider to */
988 /* give proper Scroll behaviour */
989 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
990 mouse_slip_wheel_speed,
991 #endif
992 refresh_count,
993 window_vt_x,
994 window_vt_y,
995 mouse_row,
996 mouse_col,
997 # ifdef POINTER_BLANK
998 pointerBlankDelay,
999 # endif
1000 allowedxerror;
1001 /* ---------- */
1002 unsigned int ModLevel3Mask,
1003 ModMetaMask,
1004 ModNumLockMask;
1005 int old_width, /* last used width in screen resize */
1006 old_height; /* last used height in screen resize */
1007 unsigned long priv_modes,
1008 SavedModes;
1009 /* ---------- */
1010 Atom *xa;
1011 /* ---------- */
1012 #ifdef RXVT_SCROLLBAR
1013 GC scrollbarGC,
1014 topShadowGC,
1015 botShadowGC;
1016 #endif
1017 #ifdef XTERM_SCROLLBAR
1018 GC xscrollbarGC,
1019 ShadowGC;
1020 #endif
1021 #ifdef PLAIN_SCROLLBAR
1022 GC pscrollbarGC;
1023 #endif
1024 #ifdef NEXT_SCROLLBAR
1025 GC blackGC,
1026 whiteGC,
1027 grayGC,
1028 darkGC,
1029 stippleGC;
1030 Pixmap dimple,
1031 upArrow,
1032 downArrow,
1033 upArrowHi,
1034 downArrowHi;
1035 #endif
1036 /* ---------- */
1037 Time selection_time,
1038 selection_request_time;
1039 pid_t cmd_pid; /* process id of child */
1040 char * incr_buf;
1041 size_t incr_buf_size, incr_buf_fill;
1042 /* ---------- */
1043 struct mouse_event MEvent;
1044 XComposeStatus compose;
1045 struct termios tio;
1046 row_col_t oldcursor;
1047 #ifdef HAVE_BG_PIXMAP
1048 bgPixmap_t bgPixmap;
1049 #endif
1050 #ifdef HAVE_AFTERIMAGE
1051 ASVisual *asv;
1052 ASImageManager *asimman;
1053 #endif
1054
1055 #if ENABLE_OVERLAY
1056 int ov_x, ov_y, ov_w, ov_h; // overlay dimensions
1057 text_t **ov_text;
1058 rend_t **ov_rend;
1059
1060 void scr_swap_overlay () NOTHROW;
1061 void scr_overlay_new (int x, int y, int w, int h) NOTHROW;
1062 void scr_overlay_off () NOTHROW;
1063 void scr_overlay_set (int x, int y,
1064 text_t text,
1065 rend_t rend = OVERLAY_RSTYLE) NOTHROW;
1066 void scr_overlay_set (int x, int y, const char *s) NOTHROW;
1067 void scr_overlay_set (int x, int y, const wchar_t *s) NOTHROW;
1068 #endif
1069
1070 vector<void *> allocated; // free these memory blocks with free()
1071
1072 char env_windowid[21]; /* environmental variable WINDOWID */
1073 char env_colorfgbg[sizeof ("COLORFGBG=default;default;bg") + 1];
1074 char *env_display; /* environmental variable DISPLAY */
1075 char *env_term; /* environmental variable TERM */
1076
1077 char *locale;
1078 char charsets[4];
1079 char *v_buffer; /* pointer to physical buffer */
1080 unsigned int v_buflen; /* size of area to write */
1081 stringvec *argv, *envv; /* if != 0, will be freed at destroy time */
1082
1083 #ifdef KEYSYM_RESOURCE
1084 keyboard_manager *keyboard;
1085 #endif
1086 #ifndef NO_RESOURCES
1087 XrmDatabase option_db;
1088 #endif
1089
1090 const char *rs[NUM_RESOURCES];
1091 /* command input buffering */
1092 char *cmdbuf_ptr, *cmdbuf_endp;
1093 char cmdbuf_base[CBUFSIZ];
1094
1095 ptytty *pty;
1096
1097 rxvt_salloc *talloc; // text line allocator
1098 rxvt_salloc *ralloc; // rend line allocator
1099
1100 static vector<rxvt_term *> termlist; // a vector of all running rxvt_term's
1101
1102 #if ENABLE_FRILLS || ISO_14755
1103 // ISO 14755 entry support
1104 unicode_t iso14755buf;
1105 void commit_iso14755 ();
1106 # if ISO_14755
1107 void iso14755_51 (unicode_t ch, rend_t r = DEFAULT_RSTYLE, int x = 0, int y = -1);
1108 void iso14755_54 (int x, int y);
1109 # endif
1110 #endif
1111
1112 long vt_emask, vt_emask_perl, vt_emask_xim, vt_emask_mouse;
1113
1114 void vt_select_input () const NOTHROW
1115 {
1116 XSelectInput (dpy, vt, vt_emask | vt_emask_perl | vt_emask_xim | vt_emask_mouse);
1117 }
1118
1119 #if ENABLE_TRANSPARENCY || ENABLE_PERL
1120 void rootwin_cb (XEvent &xev);
1121 xevent_watcher rootwin_ev;
1122 #endif
1123 #ifdef HAVE_BG_PIXMAP
1124 void update_background ();
1125 #if TRACE_PIXMAPS
1126 void trace_update_background (const char *file, int line);
1127 # define update_background() trace_update_background (__FILE__, __LINE__)
1128 #endif
1129 void update_background_cb (ev::timer &w, int revents);
1130 ev::timer update_background_ev;
1131 #endif
1132
1133 void x_cb (XEvent &xev);
1134 xevent_watcher termwin_ev;
1135 xevent_watcher vt_ev;
1136 xevent_watcher scrollbar_ev;
1137
1138 void child_cb (ev::child &w, int revents); ev::child child_ev;
1139 void destroy_cb (ev::idle &w, int revents); ev::idle destroy_ev;
1140 void refresh_check ();
1141 void flush ();
1142 void flush_cb (ev::timer &w, int revents); ev::timer flush_ev;
1143 bool pty_fill ();
1144 void pty_cb (ev::io &w, int revents); ev::io pty_ev;
1145 void incr_cb (ev::timer &w, int revents) NOTHROW; ev::timer incr_ev;
1146
1147 #ifdef CURSOR_BLINK
1148 void cursor_blink_cb (ev::timer &w, int revents); ev::timer cursor_blink_ev;
1149 #endif
1150 #ifdef TEXT_BLINK
1151 void text_blink_cb (ev::timer &w, int revents); ev::timer text_blink_ev;
1152 #endif
1153 #ifndef NO_BELL
1154 void bell_cb (ev::timer &w, int revents); ev::timer bell_ev;
1155 #endif
1156
1157 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1158 void cont_scroll_cb (ev::timer &w, int revents); ev::timer cont_scroll_ev;
1159 #endif
1160 #ifdef SELECTION_SCROLLING
1161 void sel_scroll_cb (ev::timer &w, int revents); ev::timer sel_scroll_ev;
1162 #endif
1163 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1164 void slip_wheel_cb (ev::timer &w, int revents); ev::timer slip_wheel_ev;
1165 #endif
1166
1167 #ifdef POINTER_BLANK
1168 void pointer_cb (ev::timer &w, int revents); ev::timer pointer_ev;
1169 void pointer_blank ();
1170 #endif
1171 void pointer_unblank ();
1172
1173 void tt_printf (const char *fmt,...);
1174 void tt_write (const char *data, unsigned int len);
1175 void pty_write ();
1176
1177 void init (stringvec *argv, stringvec *envv)
1178 {
1179 this->argv = argv;
1180 init (argv->size (), argv->begin (), envv);
1181 }
1182
1183 void make_current () const // make this the "currently active" urxvt instance
1184 {
1185 SET_R (this);
1186 set_environ (envv);
1187 rxvt_set_locale (locale);
1188 }
1189
1190 #if USE_XIM
1191 rxvt_xim *input_method;
1192 XIC Input_Context;
1193 XIMStyle input_style;
1194 XPoint spot; // most recently sent spot position
1195
1196 void im_destroy ();
1197 void im_cb (); im_watcher im_ev;
1198 void im_set_size (XRectangle &size);
1199 void im_set_position (XPoint &pos) NOTHROW;
1200 void im_set_color (unsigned long &fg, unsigned long &bg);
1201 void im_set_preedit_area (XRectangle &preedit_rect, XRectangle &status_rect, const XRectangle &needed_rect);
1202
1203 bool IMisRunning ();
1204 void IMSendSpot ();
1205 bool IM_get_IC (const char *modifiers);
1206 void IMSetPosition ();
1207 #endif
1208
1209 // command.C
1210 void key_press (XKeyEvent &ev);
1211 void key_release (XKeyEvent &ev);
1212 unsigned int cmd_write (const char *str, unsigned int count);
1213
1214 wchar_t next_char () NOTHROW;
1215 wchar_t cmd_getc () THROW ((class out_of_input));
1216 uint32_t next_octet () NOTHROW;
1217 uint32_t cmd_get8 () THROW ((class out_of_input));
1218
1219 bool cmd_parse ();
1220 void mouse_report (XButtonEvent &ev);
1221 void button_press (XButtonEvent &ev);
1222 void button_release (XButtonEvent &ev);
1223 void focus_in ();
1224 void focus_out ();
1225 void update_fade_color (unsigned int idx);
1226 #ifdef PRINTPIPE
1227 FILE *popen_printer ();
1228 int pclose_printer (FILE *stream);
1229 #endif
1230 void process_print_pipe ();
1231 void process_nonprinting (unicode_t ch);
1232 void process_escape_vt52 (unicode_t ch);
1233 void process_escape_seq ();
1234 void process_csi_seq ();
1235 void process_window_ops (const int *args, unsigned int nargs);
1236 char *get_to_st (unicode_t &ends_how);
1237 void process_dcs_seq ();
1238 void process_osc_seq ();
1239 void process_color_seq (int report, int color, const char *str, char resp);
1240 void process_xterm_seq (int op, const char *str, char resp);
1241 int privcases (int mode, unsigned long bit);
1242 void process_terminal_mode (int mode, int priv, unsigned int nargs, const int *arg);
1243 void process_sgr_mode (unsigned int nargs, const int *arg);
1244 void process_graphics ();
1245 // init.C
1246 void init_vars ();
1247 const char **init_resources (int argc, const char *const *argv);
1248 void init (int argc, const char *const *argv, stringvec *envv);
1249 void init_env ();
1250 void set_locale (const char *locale);
1251 void init_xlocale ();
1252 void init_command (const char *const *argv);
1253 void run_command (const char *const *argv);
1254 int run_child (const char *const *argv);
1255 void color_aliases (int idx);
1256 void create_windows (int argc, const char *const *argv);
1257 void Get_Colours ();
1258 void get_ourmods ();
1259 // main.C
1260 void tt_winch ();
1261 rxvt_term ();
1262 ~rxvt_term ();
1263 void destroy ();
1264 void emergency_cleanup ();
1265 void recolour_cursor ();
1266 void resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent);
1267 void window_calc (unsigned int newwidth, unsigned int newheight);
1268 bool set_fonts ();
1269 void set_string_property (Atom prop, const char *str, int len = -1);
1270 void set_utf8_property (Atom prop, const char *str, int len = -1);
1271 void set_title (const char *str);
1272 void set_icon_name (const char *str);
1273 void set_window_color (int idx, const char *color);
1274 void set_colorfgbg ();
1275 bool set_color (rxvt_color &color, const char *name);
1276 void alias_color (int dst, int src);
1277 void set_widthheight (unsigned int newwidth, unsigned int newheight);
1278 void get_window_origin (int &x, int &y);
1279 Pixmap get_pixmap_property (int prop_id);
1280
1281 // screen.C
1282
1283 void lalloc (line_t &l) const
1284 {
1285 l.t = (text_t *)talloc->alloc ();
1286 l.r = (rend_t *)ralloc->alloc ();
1287 }
1288
1289 #if 0
1290 void lfree (line_t &l)
1291 {
1292 talloc->free (l.t);
1293 ralloc->free (l.r);
1294 }
1295 #endif
1296
1297 void lresize (line_t &l) const
1298 {
1299 if (!l.t)
1300 return;
1301
1302 l.t = (text_t *)talloc->alloc (l.t, prev_ncol * sizeof (text_t));
1303 l.r = (rend_t *)ralloc->alloc (l.r, prev_ncol * sizeof (rend_t));
1304
1305 l.l = min (l.l, ncol);
1306
1307 if (ncol > prev_ncol)
1308 scr_blank_line (l, prev_ncol, ncol - prev_ncol, DEFAULT_RSTYLE);
1309 }
1310
1311 int fgcolor_of (rend_t r) const NOTHROW
1312 {
1313 int base = GET_BASEFG (r);
1314 #ifndef NO_BRIGHTCOLOR
1315 if (r & RS_Bold
1316 # if ENABLE_STYLES
1317 && option (Opt_intensityStyles)
1318 # endif
1319 && IN_RANGE_INC (base, minCOLOR, minBrightCOLOR))
1320 base += minBrightCOLOR - minCOLOR;
1321 #endif
1322 return base;
1323 }
1324
1325 int bgcolor_of (rend_t r) const NOTHROW
1326 {
1327 int base = GET_BASEBG (r);
1328 #ifndef NO_BRIGHTCOLOR
1329 if (r & RS_Blink
1330 # if ENABLE_STYLES
1331 && option (Opt_intensityStyles)
1332 # endif
1333 && IN_RANGE_INC (base, minCOLOR, minBrightCOLOR))
1334 base += minBrightCOLOR - minCOLOR;
1335 #endif
1336 return base;
1337 }
1338
1339 bool option (uint8_t opt) const NOTHROW
1340 {
1341 if (!opt)
1342 return 0;
1343
1344 --opt;
1345 return options[opt >> 3] & (1 << (opt & 7));
1346 }
1347
1348 void set_option (uint8_t opt, bool set = true) NOTHROW
1349 {
1350 if (!opt)
1351 return;
1352
1353 --opt;
1354 if (set)
1355 options[opt >> 3] |= (1 << (opt & 7));
1356 else
1357 options[opt >> 3] &= ~(1 << (opt & 7));
1358 }
1359
1360 void set_privmode (unsigned bit, int set) NOTHROW
1361 {
1362 if (set)
1363 priv_modes |= bit;
1364 else
1365 priv_modes &= ~bit;
1366 }
1367
1368 // modifies first argument(!)
1369 void paste (char *data, unsigned int len) NOTHROW;
1370 void scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const NOTHROW;
1371 void scr_blank_screen_mem (line_t &l, rend_t efs) const NOTHROW;
1372 int scr_scroll_text (int row1, int row2, int count) NOTHROW;
1373 void scr_reset ();
1374 void scr_release () NOTHROW;
1375 void scr_clear (bool really = false) NOTHROW;
1376 void scr_refresh () NOTHROW;
1377 bool scr_refresh_rend (rend_t mask, rend_t value) NOTHROW;
1378 void scr_erase_screen (int mode) NOTHROW;
1379 #if ENABLE_FRILLS
1380 void scr_erase_savelines () NOTHROW;
1381 void scr_backindex () NOTHROW;
1382 void scr_forwardindex () NOTHROW;
1383 #endif
1384 void scr_touch (bool refresh) NOTHROW;
1385 void scr_expose (int x, int y, int width, int height, bool refresh) NOTHROW;
1386 void scr_recolour () NOTHROW;
1387 void scr_remap_chars () NOTHROW;
1388 void scr_remap_chars (line_t &l) NOTHROW;
1389
1390 enum cursor_mode { SAVE, RESTORE };
1391
1392 void scr_poweron ();
1393 void scr_cursor (cursor_mode mode) NOTHROW;
1394 void scr_do_wrap () NOTHROW;
1395 void scr_swap_screen () NOTHROW;
1396 void scr_change_screen (int scrn);
1397 void scr_color (unsigned int color, int fgbg) NOTHROW;
1398 void scr_rendition (int set, int style) NOTHROW;
1399 void scr_add_lines (const wchar_t *str, int len, int minlines = 0) NOTHROW;
1400 void scr_backspace () NOTHROW;
1401 void scr_tab (int count, bool ht = false) NOTHROW;
1402 void scr_gotorc (int row, int col, int relative) NOTHROW;
1403 void scr_index (enum page_dirn direction) NOTHROW;
1404 void scr_erase_line (int mode) NOTHROW;
1405 void scr_E () NOTHROW;
1406 void scr_insdel_lines (int count, int insdel) NOTHROW;
1407 void scr_insdel_chars (int count, int insdel) NOTHROW;
1408 void scr_scroll_region (int top, int bot) NOTHROW;
1409 void scr_cursor_visible (int mode) NOTHROW;
1410 void scr_autowrap (int mode) NOTHROW;
1411 void scr_relative_origin (int mode) NOTHROW;
1412 void scr_insert_mode (int mode) NOTHROW;
1413 void scr_set_tab (int mode) NOTHROW;
1414 void scr_rvideo_mode (bool on) NOTHROW;
1415 void scr_report_position () NOTHROW;
1416 void set_font_style () NOTHROW;
1417 void scr_charset_choose (int set) NOTHROW;
1418 void scr_charset_set (int set, unsigned int ch) NOTHROW;
1419 void scr_move_to (int y, int len) NOTHROW;
1420 bool scr_page (enum page_dirn direction, int nlines) NOTHROW;
1421 bool scr_changeview (int new_view_start) NOTHROW;
1422 void scr_bell () NOTHROW;
1423 void scr_printscreen (int fullhist) NOTHROW;
1424 void scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) NOTHROW;
1425 void scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) NOTHROW;
1426 void scr_reverse_selection () NOTHROW;
1427 void scr_dump (int fd) NOTHROW;
1428
1429 void selection_check (int check_more) NOTHROW;
1430 void selection_paste (Window win, Atom prop, bool delete_prop) NOTHROW;
1431 void selection_property (Window win, Atom prop) NOTHROW;
1432 void selection_request (Time tm, int selnum = Sel_Primary) NOTHROW;
1433 int selection_request_other (Atom target, int selnum) NOTHROW;
1434 void selection_clear () NOTHROW;
1435 void selection_make (Time tm);
1436 bool selection_grab (Time tm) NOTHROW;
1437 void selection_start_colrow (int col, int row) NOTHROW;
1438 void selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW;
1439 void selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW;
1440 void selection_remove_trailing_spaces () NOTHROW;
1441 void selection_send (const XSelectionRequestEvent &rq) NOTHROW;
1442 void selection_click (int clicks, int x, int y) NOTHROW;
1443 void selection_extend (int x, int y, int flag) NOTHROW;
1444 void selection_rotate (int x, int y) NOTHROW;
1445
1446 #if defined(NEXT_SCROLLBAR)
1447 // scrollbar-next.C
1448 Pixmap renderPixmap (const char *const *data, int width, int height);
1449 void init_scrollbar_stuff ();
1450 void drawBevel (Drawable d, int x1, int y1, int w, int h);
1451 int scrollbar_show_next (int update, int last_top, int last_bot, int scrollbar_len);
1452 #endif
1453
1454 #if defined(RXVT_SCROLLBAR)
1455 // scrollbar-rxvt.C
1456 int scrollbar_show_rxvt (int update, int last_top, int last_bot, int scrollbar_len);
1457 #endif
1458
1459 #if defined(XTERM_SCROLLBAR)
1460 // scrollbar-xterm.C
1461 int scrollbar_show_xterm (int update, int last_top, int last_bot, int scrollbar_len);
1462 #endif
1463
1464 #if defined(PLAIN_SCROLLBAR)
1465 // scrollbar-plain.C
1466 int scrollbar_show_plain (int update, int last_top, int last_bot, int scrollbar_len);
1467 #endif
1468
1469 // scrollbar.C
1470 void resize_scrollbar ();
1471 int scrollbar_mapping (int map);
1472 int scrollbar_show (int update);
1473
1474 // xdefaults.C
1475 void get_options (int argc, const char *const *argv);
1476 int parse_keysym (const char *str, const char *arg);
1477 const char *x_resource (const char *name);
1478 void extract_resources ();
1479 };
1480
1481 #endif /* _RXVT_H_ */
1482