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/cvs/rxvt-unicode/src/rxvt.h
Revision: 1.410
Committed: Mon Jul 19 16:43:21 2010 UTC (13 years, 10 months ago) by sf-exg
Content type: text/plain
Branch: MAIN
Changes since 1.409: +1 -0 lines
Log Message:
Use COMPOUND_TEXT encoding for WM_NAME/WM_ICON_NAME value when it is not fully
convertible to STRING, patch by James Cloos.

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 # if USE_256_COLORS
253 # define TERMENV "rxvt-unicode-256color"
254 # else
255 # define TERMENV "rxvt-unicode"
256 # endif
257 #endif
258
259 #if defined (NO_MOUSE_REPORT) && !defined (NO_MOUSE_REPORT_SCROLLBAR)
260 # define NO_MOUSE_REPORT_SCROLLBAR 1
261 #endif
262
263 #define scrollBar_esc 30
264
265 #if !defined (RXVT_SCROLLBAR) && !defined (NEXT_SCROLLBAR)
266 # define NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING 1
267 #endif
268
269 enum {
270 NO_REFRESH = 0, /* Window not visible at all! */
271 FAST_REFRESH = 1, /* Fully exposed window */
272 SLOW_REFRESH = 2, /* Partially exposed window */
273 };
274
275 #ifdef NO_SECONDARY_SCREEN
276 # define NSCREENS 0
277 #else
278 # define NSCREENS 1
279 #endif
280
281 /* special (internal) prefix for font commands */
282 #define FONT_CMD '#'
283 #define FONT_DN "#-"
284 #define FONT_UP "#+"
285
286 /* flags for rxvt_scr_gotorc () */
287 enum {
288 C_RELATIVE = 1, /* col movement is relative */
289 R_RELATIVE = 2, /* row movement is relative */
290 RELATIVE = C_RELATIVE | R_RELATIVE,
291 };
292
293 /* modes for rxvt_scr_insdel_chars (), rxvt_scr_insdel_lines () */
294 enum {
295 INSERT = -1, /* don't change these values */
296 DELETE = +1,
297 ERASE = +2,
298 };
299
300 /* modes for rxvt_scr_page () - scroll page. used by scrollbar window */
301 enum page_dirn {
302 UP,
303 DN,
304 NO_DIR,
305 };
306
307 /* arguments for rxvt_scr_change_screen () */
308 enum {
309 PRIMARY = 0,
310 SECONDARY,
311 };
312
313 // define various rendition bits and masks. the rendition word
314 // is 32 bits in size, and we should use it as efficiently as possible
315
316 #define RS_None 0
317
318 // GET_BGATTR depends on RS_fgShift > RS_bgShift
319 #define RS_colorMask ((1UL << Color_Bits) - 1UL)
320 #define RS_bgShift 0
321 #define RS_fgShift (RS_bgShift + Color_Bits)
322 #define RS_bgMask (RS_colorMask << RS_bgShift)
323 #define RS_fgMask (RS_colorMask << RS_fgShift)
324
325 // must have space for rxvt_fontset::fontCount * 2 + 2 values
326 #define RS_fontShift (RS_fgShift + Color_Bits)
327 #define RS_Careful (1UL << RS_fontShift) /* be careful when drawing these */
328 #define RS_fontCount rxvt_fontset::fontCount
329 #define RS_fontMask ((RS_fontCount << (RS_fontShift + 1)) | RS_Careful) // includes RS_Careful
330
331 // toggle this to force redraw, must be != RS_Careful and otherwise "pretty neutral"
332 #define RS_redraw (2UL << RS_fontShift)
333
334 #define RS_Sel (1UL << 22)
335
336 // 4 custom bits for extensions
337 #define RS_customCount 16UL
338 #define RS_customShift 23
339 #define RS_customMask ((RS_customCount - 1UL) << RS_customShift)
340
341 // font styles
342 #define RS_Bold (1UL << RS_styleShift)
343 #define RS_Italic (2UL << RS_styleShift)
344
345 #define RS_styleCount 4
346 #define RS_styleShift 27
347 #define RS_styleMask (RS_Bold | RS_Italic)
348
349 // fake styles
350 #define RS_Blink (1UL << 29)
351 #define RS_RVid (1UL << 30) // reverse video
352 #define RS_Uline (1UL << 31) // underline
353
354 #define RS_baseattrMask (RS_Italic | RS_Bold | RS_Blink | RS_RVid | RS_Uline)
355 #define RS_attrMask (RS_baseattrMask | RS_fontMask)
356
357 #define DEFAULT_RSTYLE (RS_None | (Color_fg << RS_fgShift) | (Color_bg << RS_bgShift))
358 #define OVERLAY_RSTYLE (RS_None | (Color_Black << RS_fgShift) | (Color_Yellow << RS_bgShift))
359
360 #define Sel_none 0 /* Not waiting */
361 #define Sel_normal 0x01 /* normal selection */
362 #define Sel_incr 0x02 /* incremental selection */
363 #define Sel_direct 0x00
364 #define Sel_Primary 0x01
365 #define Sel_Secondary 0x02
366 #define Sel_Clipboard 0x03
367 #define Sel_whereMask 0x0f
368 #define Sel_CompoundText 0x10 /* last request was COMPOUND_TEXT */
369 #define Sel_UTF8String 0x20 /* last request was UTF8_STRING */
370
371 enum {
372 C0_NUL = 0x00,
373 C0_SOH, C0_STX, C0_ETX, C0_EOT, C0_ENQ, C0_ACK, C0_BEL,
374 C0_BS , C0_HT , C0_LF , C0_VT , C0_FF , C0_CR , C0_SO , C0_SI ,
375 C0_DLE, C0_DC1, C0_DC2, D0_DC3, C0_DC4, C0_NAK, C0_SYN, C0_ETB,
376 C0_CAN, C0_EM , C0_SUB, C0_ESC, C0_IS4, C0_IS3, C0_IS2, C0_IS1,
377 };
378 #define CHAR_ST 0x9c /* 0234 */
379
380 /*
381 * XTerm Operating System Commands: ESC ] Ps;Pt (ST|BEL)
382 * colour extensions by Christian W. Zuckschwerdt <zany@triq.net>
383 */
384 enum {
385 XTerm_name = 0,
386 XTerm_iconName = 1,
387 XTerm_title = 2,
388 XTerm_property = 3, // change X property
389 XTerm_Color = 4, // change colors
390 XTerm_Color00 = 10, // change fg color
391 XTerm_Color01 = 11, // change bg color
392 XTerm_Color_cursor = 12, // change actual 'Cursor' color
393 XTerm_Color_pointer_fg = 13, // change actual 'Pointer' fg color
394 XTerm_Color_pointer_bg = 14, // change actual 'Pointer' bg color
395 XTerm_Color05 = 15, // not implemented (tektronix fg)
396 XTerm_Color06 = 16, // not implemented (tektronix bg)
397 XTerm_Color_HC = 17, // change actual 'Highlight' bg color
398 XTerm_Color_HTC = 19, // change actual 'Highlight' fg color
399 XTerm_logfile = 46, // not implemented
400 XTerm_font = 50,
401
402 XTerm_konsole30 = 30, // reserved for konsole
403 XTerm_konsole31 = 31, // reserved for konsole
404 XTerm_emacs51 = 51, // reserved for emacs shell
405 /*
406 * rxvt extensions of XTerm OSCs: ESC ] Ps;Pt (ST|BEL)
407 */
408
409 // deprecated
410 Rxvt_restoreFG = 39,
411 Rxvt_restoreBG = 49,
412
413 Rxvt_Pixmap = 20, // new bg pixmap
414 Rxvt_dumpscreen = 55, // dump scrollback and all of screen
415
416 URxvt_locale = 701, // change locale
417 URxvt_version = 702, // request version
418
419 URxvt_Color_IT = 704, // change actual 'Italic' colour
420 URxvt_Color_tint = 705, // change actual tint colour
421 URxvt_Color_BD = 706, // change actual 'Bold' color
422 URxvt_Color_UL = 707, // change actual 'Underline' color
423 URxvt_Color_border = 708,
424
425 URxvt_font = 710,
426 URxvt_boldFont = 711,
427 URxvt_italicFont = 712,
428 URxvt_boldItalicFont = 713,
429
430 URxvt_view_up = 720,
431 URxvt_view_down = 721,
432
433 URxvt_perl = 777, // for use by perl extensions, starts with "extension-name;"
434 };
435
436 /* Words starting with `Color_' are colours. Others are counts */
437 /*
438 * The PixColor and rendition colour usage should probably be decoupled
439 * on the unnecessary items, e.g. Color_pointer, but won't bother
440 * until we need to. Also, be aware of usage in pixcolor_set
441 */
442
443 enum colour_list {
444 Color_none = -2,
445 Color_transparent = -1,
446 Color_fg = 0,
447 Color_bg,
448 minCOLOR, /* 2 */
449 Color_Black = minCOLOR,
450 Color_Red3,
451 Color_Green3,
452 Color_Yellow3,
453 Color_Blue3,
454 Color_Magenta3,
455 Color_Cyan3,
456 maxCOLOR, /* minCOLOR + 7 */
457 #ifndef NO_BRIGHTCOLOR
458 Color_AntiqueWhite = maxCOLOR,
459 minBrightCOLOR, /* maxCOLOR + 1 */
460 Color_Grey25 = minBrightCOLOR,
461 Color_Red,
462 Color_Green,
463 Color_Yellow,
464 Color_Blue,
465 Color_Magenta,
466 Color_Cyan,
467 maxBrightCOLOR, /* minBrightCOLOR + 7 */
468 Color_White = maxBrightCOLOR,
469 #else
470 Color_White = maxCOLOR,
471 #endif
472 minTermCOLOR = Color_White + 1,
473 #if USE_256_COLORS
474 maxTermCOLOR = Color_White + 240,
475 #else
476 maxTermCOLOR = Color_White + 72,
477 #endif
478 #ifndef NO_CURSORCOLOR
479 Color_cursor,
480 Color_cursor2,
481 #endif
482 Color_pointer_fg,
483 Color_pointer_bg,
484 Color_border,
485 #ifndef NO_BOLD_UNDERLINE_REVERSE
486 Color_BD,
487 Color_IT,
488 Color_UL,
489 Color_RV,
490 #endif
491 #if ENABLE_FRILLS
492 Color_underline,
493 #endif
494 #ifdef OPTION_HC
495 Color_HC,
496 Color_HTC,
497 #endif
498 Color_scroll,
499 #ifdef RXVT_SCROLLBAR
500 Color_trough,
501 #endif
502 #if ENABLE_TRANSPARENCY
503 Color_tint,
504 #endif
505 #if OFF_FOCUS_FADING
506 Color_fade,
507 #endif
508 NRS_COLORS, /* */
509 #ifdef RXVT_SCROLLBAR
510 Color_topShadow = NRS_COLORS,
511 Color_bottomShadow,
512 TOTAL_COLORS
513 #else
514 TOTAL_COLORS = NRS_COLORS
515 #endif
516 };
517
518 #if USE_256_COLORS
519 # define Color_Bits 9 // 0 .. maxTermCOLOR
520 #else
521 # define Color_Bits 7 // 0 .. maxTermCOLOR
522 #endif
523
524 /*
525 * Resource list
526 */
527 enum {
528 # define def(name) Rs_ ## name,
529 # define reserve(name,count) Rs_ ## name ## _ = Rs_ ## name + (count) - 1,
530 # include "rsinc.h"
531 # undef def
532 # undef reserve
533 NUM_RESOURCES
534 };
535
536 /* DEC private modes */
537 #define PrivMode_132 (1UL<<0)
538 #define PrivMode_132OK (1UL<<1)
539 #define PrivMode_rVideo (1UL<<2)
540 #define PrivMode_relOrigin (1UL<<3)
541 #define PrivMode_Screen (1UL<<4)
542 #define PrivMode_Autowrap (1UL<<5)
543 #define PrivMode_aplCUR (1UL<<6)
544 #define PrivMode_aplKP (1UL<<7)
545 #define PrivMode_HaveBackSpace (1UL<<8)
546 #define PrivMode_BackSpace (1UL<<9)
547 #define PrivMode_ShiftKeys (1UL<<10)
548 #define PrivMode_VisibleCursor (1UL<<11)
549 #define PrivMode_MouseX10 (1UL<<12)
550 #define PrivMode_MouseX11 (1UL<<13)
551 #define PrivMode_scrollBar (1UL<<14)
552 #define PrivMode_TtyOutputInh (1UL<<15)
553 #define PrivMode_Keypress (1UL<<16)
554 #define PrivMode_smoothScroll (1UL<<17)
555 #define PrivMode_vt52 (1UL<<18)
556 #define PrivMode_LFNL (1UL<<19)
557 #define PrivMode_MouseBtnEvent (1UL<<20)
558 #define PrivMode_MouseAnyEvent (1UL<<21)
559 #define PrivMode_BracketPaste (1UL<<22)
560
561 #define PrivMode_mouse_report (PrivMode_MouseX10|PrivMode_MouseX11|PrivMode_MouseBtnEvent|PrivMode_MouseAnyEvent)
562
563 #ifdef ALLOW_132_MODE
564 # define PrivMode_Default (PrivMode_Autowrap|PrivMode_ShiftKeys|PrivMode_VisibleCursor|PrivMode_132OK)
565 #else
566 # define PrivMode_Default (PrivMode_Autowrap|PrivMode_ShiftKeys|PrivMode_VisibleCursor)
567 #endif
568
569 // do not change these constants lightly, there are many interdependencies
570 #define IMBUFSIZ 128 // input modifier buffer sizes
571 #define KBUFSZ 512 // size of keyboard mapping buffer
572 #define CBUFSIZ 2048 // size of command buffer
573 #define CBUFCNT 8 // never call pty_fill/cmd_parse more than this often in a row
574 #define UBUFSIZ 2048 // character buffer
575
576 #if ENABLE_FRILLS
577 # include <X11/Xmd.h>
578 typedef struct _mwmhints
579 {
580 CARD32 flags;
581 CARD32 functions;
582 CARD32 decorations;
583 INT32 input_mode;
584 CARD32 status;
585 } MWMHints;
586 #endif
587
588 /* Motif window hints */
589 #define MWM_HINTS_FUNCTIONS (1L << 0)
590 #define MWM_HINTS_DECORATIONS (1L << 1)
591 #define MWM_HINTS_INPUT_MODE (1L << 2)
592 #define MWM_HINTS_STATUS (1L << 3)
593 /* bit definitions for MwmHints.functions */
594 #define MWM_FUNC_ALL (1L << 0)
595 #define MWM_FUNC_RESIZE (1L << 1)
596 #define MWM_FUNC_MOVE (1L << 2)
597 #define MWM_FUNC_MINIMIZE (1L << 3)
598 #define MWM_FUNC_MAXIMIZE (1L << 4)
599 #define MWM_FUNC_CLOSE (1L << 5)
600 /* bit definitions for MwmHints.decorations */
601 #define MWM_DECOR_ALL (1L << 0)
602 #define MWM_DECOR_BORDER (1L << 1)
603 #define MWM_DECOR_RESIZEH (1L << 2)
604 #define MWM_DECOR_TITLE (1L << 3)
605 #define MWM_DECOR_MENU (1L << 4)
606 #define MWM_DECOR_MINIMIZE (1L << 5)
607 #define MWM_DECOR_MAXIMIZE (1L << 6)
608 /* bit definitions for MwmHints.inputMode */
609 #define MWM_INPUT_MODELESS 0
610 #define MWM_INPUT_PRIMARY_APPLICATION_MODAL 1
611 #define MWM_INPUT_SYSTEM_MODAL 2
612 #define MWM_INPUT_FULL_APPLICATION_MODAL 3
613 #define PROP_MWM_HINTS_ELEMENTS 5
614
615 /*
616 *****************************************************************************
617 * MACRO DEFINES
618 *****************************************************************************
619 */
620
621 // speed hack, copy some member variable into a local variable of the same name
622 #define dLocal(type,name) type const name = this->name
623
624 // for speed reasons, we assume that all codepoints 32 to 126 are
625 // single-width.
626 #define WCWIDTH(c) (IN_RANGE_INC (c, 0x20, 0x7e) ? 1 : wcwidth (c))
627
628 /* convert pixel dimensions to row/column values. Everything as int32_t */
629 #define Pixel2Col(x) Pixel2Width((int32_t)(x))
630 #define Pixel2Row(y) Pixel2Height((int32_t)(y))
631 #define Pixel2Width(x) ((int32_t)(x) / (int32_t)fwidth)
632 #define Pixel2Height(y) ((int32_t)(y) / (int32_t)fheight)
633 #define Col2Pixel(col) ((int32_t)Width2Pixel(col))
634 #define Row2Pixel(row) ((int32_t)Height2Pixel(row))
635 #define Width2Pixel(n) ((int32_t)(n) * (int32_t)fwidth)
636 #define Height2Pixel(n) ((int32_t)(n) * (int32_t)fheight)
637
638 #define LINENO_of(t,n) MOD ((t)->term_start + int(n), (t)->total_rows)
639 #define ROW_of(t,n) (t)->row_buf [LINENO_of ((t), n)]
640
641 #define LINENO(n) LINENO_of (this, n)
642 #define ROW(n) ROW_of (this, n)
643
644 /* how to build & extract colors and attributes */
645 #define GET_BASEFG(x) (((x) & RS_fgMask) >> RS_fgShift)
646 #define GET_BASEBG(x) (((x) & RS_bgMask) >> RS_bgShift)
647
648 #define GET_FONT(x) (((x) & RS_fontMask) >> RS_fontShift)
649 #define SET_FONT(x,fid) (((x) & ~RS_fontMask) | ((fid) << RS_fontShift))
650
651 #define GET_STYLE(x) (((x) & RS_styleMask) >> RS_styleShift)
652 #define SET_STYLE(x,style) (((x) & ~RS_styleMask) | ((style) << RS_styleShift))
653
654 #define GET_ATTR(x) (((x) & RS_attrMask))
655 // return attributes defining the background, encoding doesn't matter
656 // depends on RS_fgShift > RS_bgShift
657 #define GET_BGATTR(x) \
658 (expect_false ((x) & RS_RVid) \
659 ? (((x) & (RS_attrMask & ~RS_RVid)) \
660 | (((x) & RS_fgMask) >> (RS_fgShift - RS_bgShift))) \
661 : ((x) & (RS_attrMask | RS_bgMask)))
662 #define SET_FGCOLOR(x,fg) (((x) & ~RS_fgMask) | ((fg) << RS_fgShift))
663 #define SET_BGCOLOR(x,bg) (((x) & ~RS_bgMask) | ((bg) << RS_bgShift))
664 #define SET_ATTR(x,a) (((x) & ~RS_attrMask) | (a))
665
666 #define RS_SAME(a,b) (!(((a) ^ (b)) & ~RS_Careful))
667
668 #define PIXCOLOR_NAME(idx) rs[Rs_color + (idx)]
669 #define ISSET_PIXCOLOR(idx) (!!rs[Rs_color + (idx)])
670
671 #if ENABLE_STYLES
672 # define FONTSET_of(t,style) (t)->fontset[GET_STYLE (style)]
673 #else
674 # define FONTSET_of(t,style) (t)->fontset[0]
675 #endif
676
677 #define FONTSET(style) FONTSET_of (this, style)
678
679 typedef callback<void (const char *)> log_callback;
680 typedef callback<int (int)> getfd_callback;
681
682 /****************************************************************************/
683
684 #define LINE_LONGER 0x0001 // line is continued on the next row
685 #define LINE_FILTERED 0x0002 // line has been filtered
686 #define LINE_COMPRESSED 0x0004 // line has been compressed (NYI)
687 #define LINE_FILTER 0x0008 // line needs to be filtered before display (NYI)
688 #define LINE_BIDI 0x0010 // line needs bidi (NYI)
689
690 struct line_t
691 {
692 text_t *t; // terminal the text
693 rend_t *r; // rendition, uses RS_ flags
694 tlen_t_ l; // length of each text line
695 uint32_t f; // flags
696
697 bool is_longer ()
698 {
699 return f & LINE_LONGER;
700 }
701
702 void is_longer (int set)
703 {
704 if (set)
705 f |= LINE_LONGER;
706 else
707 f &= ~LINE_LONGER;
708 }
709
710 void clear ()
711 {
712 t = 0;
713 r = 0;
714 l = 0;
715 f = 0;
716 }
717
718 void touch () // call whenever a line is changed/touched/updated
719 {
720 #if ENABLE_PERL
721 f &= ~LINE_FILTERED;
722 #endif
723 }
724
725 void touch (int col)
726 {
727 max_it (l, col);
728 touch ();
729 }
730 };
731
732 /****************************************************************************/
733
734 // primitive wrapper around mbstate_t to ensure initialisation
735 struct mbstate
736 {
737 mbstate_t mbs;
738
739 operator mbstate_t *() { return &mbs; }
740 void reset () { memset (&mbs, 0, sizeof (mbs)); }
741 mbstate () { reset (); }
742 };
743
744 /****************************************************************************/
745
746 #define UNICODE_MASK 0x1fffffUL
747
748 #if UNICODE_3
749 # define COMPOSE_LO 0x40000000UL
750 # define COMPOSE_HI 0x400fffffUL
751 # define IS_COMPOSE(n) ((int32_t)(n) >= COMPOSE_LO)
752 #else
753 # if ENABLE_PERL
754 # define COMPOSE_LO 0xe000UL // our _own_ functions don't like (illegal) surrogates
755 # define COMPOSE_HI 0xf8ffUL // in utf-8, so use private use area only
756 # else
757 # define COMPOSE_LO 0xd800UL
758 # define COMPOSE_HI 0xf8ffUL
759 # endif
760 # define IS_COMPOSE(n) IN_RANGE_INC ((n), COMPOSE_LO, COMPOSE_HI)
761 #endif
762
763 #if ENABLE_COMBINING
764 // compose chars are used to represent composite characters
765 // that are not representable in unicode, as well as characters
766 // not fitting in the BMP.
767 struct compose_char
768 {
769 unicode_t c1, c2; // any chars != NOCHAR are valid
770 compose_char (unicode_t c1, unicode_t c2)
771 : c1(c1), c2(c2)
772 { }
773 };
774
775 class rxvt_composite_vec
776 {
777 vector<compose_char> v;
778 public:
779 text_t compose (unicode_t c1, unicode_t c2 = NOCHAR);
780 int expand (unicode_t c, wchar_t *r);
781 compose_char *operator [](text_t c)
782 {
783 return c >= COMPOSE_LO && c < COMPOSE_LO + v.size ()
784 ? &v[c - COMPOSE_LO]
785 : 0;
786 }
787 };
788
789 extern class rxvt_composite_vec rxvt_composite;
790 #endif
791
792 /****************************************************************************/
793
794 #ifdef KEYSYM_RESOURCE
795 class keyboard_manager;
796 #endif
797
798 typedef struct rxvt_term *rxvt_t;
799
800 extern rxvt_t rxvt_current_term;
801
802 #define SET_R(r) rxvt_current_term = const_cast<rxvt_term *>(r)
803 #define GET_R rxvt_current_term
804
805 /* ------------------------------------------------------------------------- */
806 struct overlay_base
807 {
808 int x, y, w, h; // overlay dimensions
809 text_t **text;
810 rend_t **rend;
811
812 // while tempting to add swap() etc. here, it effetcively only increases code size
813 };
814
815 /* ------------------------------------------------------------------------- */
816
817 typedef struct
818 {
819 int row;
820 int col;
821 } row_col_t;
822
823 /*
824 * terminal limits:
825 *
826 * width : 1 <= width
827 * height : 1 <= height
828 * ncol : 1 <= ncol <= MAX(tlen_t)
829 * nrow : 1 <= nrow <= MAX(int)
830 * saveLines : 0 <= saveLines <= MAX(int)
831 * term_start : 0 <= term_start < saveLines
832 * total_rows : nrow + saveLines
833 *
834 * top_row : -saveLines <= top_row <= 0
835 * view_start : top_row <= view_start <= 0
836 *
837 * | most coordinates are stored relative to term_start,
838 * ROW_BUF | which is the first line of the terminal screen
839 * |························= row_buf[0]
840 * |························= row_buf[1]
841 * |························= row_buf[2] etc.
842 * |
843 * +------------+···········= term_start + top_row
844 * | scrollback |
845 * | scrollback +---------+·= term_start + view_start
846 * | scrollback | display |
847 * | scrollback | display |
848 * +------------+·display·+·= term_start
849 * | terminal | display |
850 * | terminal +---------+
851 * | terminal |
852 * | terminal |
853 * +------------+···········= term_start + nrow - 1
854 * |
855 * |
856 * END······················= total_rows
857 */
858
859 struct TermWin_t
860 {
861 int width; /* window width [pixels] */
862 int height; /* window height [pixels] */
863 int fwidth; /* font width [pixels] */
864 int fheight; /* font height [pixels] */
865 int fbase; /* font ascent (baseline) [pixels] */
866 int ncol; /* window columns [characters] */
867 int nrow; /* window rows [characters] */
868 int focus; /* window has focus */
869 int mapped; /* window state mapped? */
870 int int_bwidth; /* internal border width */
871 int ext_bwidth; /* external border width */
872 int lineSpace; /* number of extra pixels between rows */
873 int letterSpace; /* number of extra pixels between columns */
874 int saveLines; /* number of lines that fit in scrollback */
875 int total_rows; /* total number of rows in this terminal */
876 int term_start; /* term lines start here */
877 int view_start; /* scrollback view starts here */
878 int top_row; /* topmost row index of scrollback */
879 Window parent[6]; /* parent identifiers - we're parent[0] */
880 Window vt; /* vt100 window */
881 GC gc; /* GC for drawing */
882 Pixmap pixmap;
883 rxvt_drawable *drawable;
884 rxvt_fontset *fontset[4];
885 };
886
887 /*
888 * screen accounting:
889 * screen_t elements
890 * row: Cursor row position : 0 <= row < nrow
891 * col: Cursor column position : 0 <= col < ncol
892 * tscroll: Scrolling region top row inclusive : 0 <= row < nrow
893 * bscroll: Scrolling region bottom row inclusive : 0 <= row < nrow
894 *
895 * selection_t elements
896 * clicks: 1, 2 or 3 clicks - 4 indicates a special condition of 1 where
897 * nothing is selected
898 * beg: row/column of beginning of selection : never past mark
899 * mark: row/column of initial click : never past end
900 * end: row/column of one character past end of selection
901 * * Note: top_row <= beg.row <= mark.row <= end.row < nrow
902 * * Note: col == -1 ==> we're left of screen
903 *
904 */
905 struct screen_t
906 {
907 row_col_t cur; /* cursor position on the screen */
908 int tscroll; /* top of settable scroll region */
909 int bscroll; /* bottom of settable scroll region */
910 unsigned int charset; /* character set number [0..3] */
911 unsigned int flags; /* see below */
912 row_col_t s_cur; /* saved cursor position */
913 unsigned int s_charset; /* saved character set number [0..3] */
914 char s_charset_char;
915 rend_t s_rstyle; /* saved rendition style */
916 };
917
918 enum selection_op_t
919 {
920 SELECTION_CLEAR = 0, /* nothing selected */
921 SELECTION_INIT, /* marked a point */
922 SELECTION_BEGIN, /* started a selection */
923 SELECTION_CONT, /* continued selection */
924 SELECTION_DONE /* selection put in CUT_BUFFER0 */
925 };
926
927 struct selection_t
928 {
929 wchar_t *text; /* selected text */
930 unsigned int len; /* length of selected text */
931 unsigned int screen; /* screen being used */
932 unsigned int clicks; /* number of clicks */
933 selection_op_t op; /* current operation */
934 bool rect; /* rectangular selection? */
935 row_col_t beg; /* beginning of selection <= mark */
936 row_col_t mark; /* point of initial click <= end */
937 row_col_t end; /* one character past end point */
938 wchar_t *clip_text; /* text copied to the clipboard */
939 unsigned int clip_len; /* length of clipboard text */
940 };
941
942 /* ------------------------------------------------------------------------- */
943
944 /* screen_t flags */
945 #define Screen_Relative (1<<0) /* relative origin mode flag */
946 #define Screen_VisibleCursor (1<<1) /* cursor visible? */
947 #define Screen_Autowrap (1<<2) /* auto-wrap flag */
948 #define Screen_Insert (1<<3) /* insert mode (vs. overstrike) */
949 #define Screen_WrapNext (1<<4) /* need to wrap for next char? */
950 #define Screen_DefaultFlags (Screen_VisibleCursor | Screen_Autowrap)
951
952 /* rxvt_vars.options */
953 enum {
954 # define def(name,idx) Opt_ ## name = idx,
955 # define nodef(name) Opt_ ## name = 0,
956 # include "optinc.h"
957 # undef nodef
958 # undef def
959 Opt_count
960 };
961
962 /* ------------------------------------------------------------------------- */
963
964 struct rxvt_vars : TermWin_t
965 {
966 scrollBar_t scrollBar;
967 uint8_t options[(Opt_count + 7) >> 3];
968 XSizeHints szHint;
969 rxvt_color *pix_colors;
970 Cursor TermWin_cursor; /* cursor for vt window */
971 line_t *row_buf; // all lines, scrollback + terminal, circular, followed by temp_buf
972 line_t *drawn_buf; // text on screen
973 line_t *swap_buf; // lines for swap buffer
974 char *tabs; /* per location: 1 == tab-stop */
975 screen_t screen;
976 screen_t swap;
977 selection_t selection;
978 rxvt_color pix_colors_focused[TOTAL_COLORS];
979 #ifdef OFF_FOCUS_FADING
980 rxvt_color pix_colors_unfocused[TOTAL_COLORS];
981 #endif
982 };
983
984 struct rxvt_term : zero_initialized, rxvt_vars, rxvt_screen
985 {
986
987 // special markers with magic addresses
988 static const char resval_undef []; // options specifically unset
989 static const char resval_on []; // boolean options switched on
990 static const char resval_off []; // or off
991
992 log_callback *log_hook; // log error messages through this hook, if != 0
993 getfd_callback *getfd_hook; // convert remote to local fd, if != 0
994 #if ENABLE_PERL
995 rxvt_perl_term perl;
996 #endif
997 struct mbstate mbstate; // current input multibyte state
998
999 unsigned char want_refresh:1,
1000 current_screen:1, /* primary or secondary */
1001 num_scr_allow:1,
1002 bypass_keystate:1,
1003 #if ENABLE_FRILLS
1004 urgency_hint:1,
1005 #endif
1006 #if CURSOR_BLINK
1007 hidden_cursor:1,
1008 #endif
1009 #if TEXT_BLINK
1010 hidden_text:1,
1011 #endif
1012 #if POINTER_BLANK
1013 hidden_pointer:1,
1014 #endif
1015 enc_utf8:1, /* whether locale uses utf-8 */
1016 seen_input:1, /* whether we have seen some program output yet */
1017 seen_resize:1, /* whether we had a resize event */
1018 parsed_geometry:1;
1019
1020 unsigned char refresh_type,
1021 #ifdef META8_OPTION
1022 meta_char, /* Alt-key prefix */
1023 #endif
1024 selection_wait,
1025 selection_type;
1026 /* ---------- */
1027 bool rvideo_state, rvideo_mode;
1028 #ifndef NO_BELL
1029 bool rvideo_bell;
1030 #endif
1031 int num_scr; /* screen: number of lines scrolled */
1032 int prev_ncol, /* screen: previous number of columns */
1033 prev_nrow; /* screen: previous number of rows */
1034 /* ---------- */
1035 rend_t rstyle;
1036 /* ---------- */
1037 #ifdef SELECTION_SCROLLING
1038 int scroll_selection_lines;
1039 enum page_dirn scroll_selection_dir;
1040 int selection_save_x,
1041 selection_save_y,
1042 selection_save_state;
1043 #endif
1044 /* ---------- */
1045 int csrO, /* Hops - csr offset in thumb/slider to */
1046 /* give proper Scroll behaviour */
1047 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1048 mouse_slip_wheel_speed,
1049 #endif
1050 refresh_count,
1051 window_vt_x,
1052 window_vt_y,
1053 mouse_row,
1054 mouse_col,
1055 # ifdef POINTER_BLANK
1056 pointerBlankDelay,
1057 # endif
1058 allowedxerror;
1059 /* ---------- */
1060 unsigned int ModLevel3Mask,
1061 ModMetaMask,
1062 ModNumLockMask;
1063 int old_width, /* last used width in screen resize */
1064 old_height; /* last used height in screen resize */
1065 unsigned long priv_modes,
1066 SavedModes;
1067 /* ---------- */
1068 Atom *xa;
1069 /* ---------- */
1070 Time selection_time,
1071 selection_request_time,
1072 clipboard_time;
1073 pid_t cmd_pid; /* process id of child */
1074 char * incr_buf;
1075 size_t incr_buf_size, incr_buf_fill;
1076 /* ---------- */
1077 struct mouse_event MEvent;
1078 XComposeStatus compose;
1079 struct termios tio;
1080 row_col_t oldcursor;
1081 #ifdef HAVE_BG_PIXMAP
1082 bgPixmap_t bgPixmap;
1083 #endif
1084 #ifdef HAVE_AFTERIMAGE
1085 ASVisual *asv;
1086 ASImageManager *asimman;
1087
1088 void init_asv ()
1089 {
1090 if (!asv)
1091 asv = create_asvisual_for_id (dpy, display->screen, depth, XVisualIDFromVisual (visual), cmap, NULL);
1092 }
1093 #endif
1094
1095 #if ENABLE_OVERLAY
1096 overlay_base ov;
1097
1098 void scr_swap_overlay () NOTHROW;
1099 void scr_overlay_new (int x, int y, int w, int h) NOTHROW;
1100 void scr_overlay_off () NOTHROW;
1101 void scr_overlay_set (int x, int y,
1102 text_t text,
1103 rend_t rend = OVERLAY_RSTYLE) NOTHROW;
1104 void scr_overlay_set (int x, int y, const char *s) NOTHROW;
1105 void scr_overlay_set (int x, int y, const wchar_t *s) NOTHROW;
1106 #endif
1107
1108 vector<void *> allocated; // free these memory blocks with free()
1109
1110 char env_windowid[21]; /* environmental variable WINDOWID */
1111 char env_colorfgbg[sizeof ("COLORFGBG=default;default;bg") + 1];
1112 char *env_display; /* environmental variable DISPLAY */
1113 char *env_term; /* environmental variable TERM */
1114
1115 char *locale;
1116 char charsets[4];
1117 char *v_buffer; /* pointer to physical buffer */
1118 unsigned int v_buflen; /* size of area to write */
1119 stringvec *argv, *envv; /* if != 0, will be freed at destroy time */
1120
1121 #ifdef KEYSYM_RESOURCE
1122 keyboard_manager *keyboard;
1123 #endif
1124 #ifndef NO_RESOURCES
1125 XrmDatabase option_db;
1126 #endif
1127
1128 const char *rs[NUM_RESOURCES];
1129 /* command input buffering */
1130 char *cmdbuf_ptr, *cmdbuf_endp;
1131 char cmdbuf_base[CBUFSIZ];
1132
1133 ptytty *pty;
1134
1135 rxvt_salloc *talloc; // text line allocator
1136 rxvt_salloc *ralloc; // rend line allocator
1137
1138 static vector<rxvt_term *> termlist; // a vector of all running rxvt_term's
1139
1140 #if ENABLE_FRILLS || ISO_14755
1141 // ISO 14755 entry support
1142 unicode_t iso14755buf;
1143 void commit_iso14755 ();
1144 # if ISO_14755
1145 void iso14755_51 (unicode_t ch, rend_t r = DEFAULT_RSTYLE, int x = 0, int y = -1);
1146 void iso14755_54 (int x, int y);
1147 # endif
1148 #endif
1149
1150 long vt_emask, vt_emask_perl, vt_emask_xim, vt_emask_mouse;
1151
1152 void vt_select_input () const NOTHROW
1153 {
1154 XSelectInput (dpy, vt, vt_emask | vt_emask_perl | vt_emask_xim | vt_emask_mouse);
1155 }
1156
1157 #if ENABLE_TRANSPARENCY || ENABLE_PERL
1158 void rootwin_cb (XEvent &xev);
1159 xevent_watcher rootwin_ev;
1160 #endif
1161 #ifdef HAVE_BG_PIXMAP
1162 void update_background ();
1163 #if TRACE_PIXMAPS
1164 void trace_update_background (const char *file, int line);
1165 # define update_background() trace_update_background (__FILE__, __LINE__)
1166 #endif
1167 void update_background_cb (ev::timer &w, int revents);
1168 ev::timer update_background_ev;
1169 #endif
1170
1171 void x_cb (XEvent &xev);
1172 xevent_watcher termwin_ev;
1173 xevent_watcher vt_ev;
1174 xevent_watcher scrollbar_ev;
1175
1176 void child_cb (ev::child &w, int revents); ev::child child_ev;
1177 void destroy_cb (ev::idle &w, int revents); ev::idle destroy_ev;
1178 void refresh_check ();
1179 void flush ();
1180 void flush_cb (ev::timer &w, int revents); ev::timer flush_ev;
1181 bool pty_fill ();
1182 void pty_cb (ev::io &w, int revents); ev::io pty_ev;
1183 void incr_cb (ev::timer &w, int revents) NOTHROW; ev::timer incr_ev;
1184
1185 #ifdef CURSOR_BLINK
1186 void cursor_blink_cb (ev::timer &w, int revents); ev::timer cursor_blink_ev;
1187 #endif
1188 #ifdef TEXT_BLINK
1189 void text_blink_cb (ev::timer &w, int revents); ev::timer text_blink_ev;
1190 #endif
1191 #ifndef NO_BELL
1192 void bell_cb (ev::timer &w, int revents); ev::timer bell_ev;
1193 #endif
1194
1195 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1196 void cont_scroll_cb (ev::timer &w, int revents); ev::timer cont_scroll_ev;
1197 #endif
1198 #ifdef SELECTION_SCROLLING
1199 void sel_scroll_cb (ev::timer &w, int revents); ev::timer sel_scroll_ev;
1200 #endif
1201 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1202 void slip_wheel_cb (ev::timer &w, int revents); ev::timer slip_wheel_ev;
1203 #endif
1204
1205 #ifdef POINTER_BLANK
1206 void pointer_cb (ev::timer &w, int revents); ev::timer pointer_ev;
1207 void pointer_blank ();
1208 #endif
1209 void pointer_unblank ();
1210
1211 void tt_printf (const char *fmt,...);
1212 void tt_write (const char *data, unsigned int len);
1213 void pty_write ();
1214
1215 void init (stringvec *argv, stringvec *envv)
1216 {
1217 this->argv = argv;
1218 init (argv->size (), argv->begin (), envv);
1219 }
1220
1221 void make_current () const // make this the "currently active" urxvt instance
1222 {
1223 SET_R (this);
1224 set_environ (envv);
1225 rxvt_set_locale (locale);
1226 }
1227
1228 #if USE_XIM
1229 rxvt_xim *input_method;
1230 XIC Input_Context;
1231 XIMStyle input_style;
1232 XPoint spot; // most recently sent spot position
1233
1234 void im_destroy ();
1235 void im_cb (); im_watcher im_ev;
1236 void im_set_size (XRectangle &size);
1237 void im_set_position (XPoint &pos) NOTHROW;
1238 void im_set_color (unsigned long &fg, unsigned long &bg);
1239 void im_set_preedit_area (XRectangle &preedit_rect, XRectangle &status_rect, const XRectangle &needed_rect);
1240
1241 bool IMisRunning ();
1242 void IMSendSpot ();
1243 bool IM_get_IC (const char *modifiers);
1244 void IMSetPosition ();
1245 #endif
1246
1247 // command.C
1248 void key_press (XKeyEvent &ev);
1249 void key_release (XKeyEvent &ev);
1250 unsigned int cmd_write (const char *str, unsigned int count);
1251
1252 wchar_t next_char () NOTHROW;
1253 wchar_t cmd_getc () THROW ((class out_of_input));
1254 uint32_t next_octet () NOTHROW;
1255 uint32_t cmd_get8 () THROW ((class out_of_input));
1256
1257 void cmd_parse ();
1258 void mouse_report (XButtonEvent &ev);
1259 void button_press (XButtonEvent &ev);
1260 void button_release (XButtonEvent &ev);
1261 void focus_in ();
1262 void focus_out ();
1263 #if ENABLE_FRILLS
1264 void set_urgency (bool enable);
1265 #else
1266 void set_urgency (bool enable) { }
1267 #endif
1268 void update_fade_color (unsigned int idx);
1269 #ifdef PRINTPIPE
1270 FILE *popen_printer ();
1271 int pclose_printer (FILE *stream);
1272 #endif
1273 void process_print_pipe ();
1274 void process_nonprinting (unicode_t ch);
1275 void process_escape_vt52 (unicode_t ch);
1276 void process_escape_seq ();
1277 void process_csi_seq ();
1278 void process_window_ops (const int *args, unsigned int nargs);
1279 char *get_to_st (unicode_t &ends_how);
1280 void process_dcs_seq ();
1281 void process_osc_seq ();
1282 void process_color_seq (int report, int color, const char *str, char resp);
1283 void process_xterm_seq (int op, char *str, char resp);
1284 int privcases (int mode, unsigned long bit);
1285 void process_terminal_mode (int mode, int priv, unsigned int nargs, const int *arg);
1286 void process_sgr_mode (unsigned int nargs, const int *arg);
1287 void process_graphics ();
1288 // init.C
1289 void init_vars ();
1290 const char **init_resources (int argc, const char *const *argv);
1291 void init (int argc, const char *const *argv, stringvec *envv);
1292 void init_env ();
1293 void set_locale (const char *locale);
1294 void init_xlocale ();
1295 void init_command (const char *const *argv);
1296 void run_command (const char *const *argv);
1297 int run_child (const char *const *argv);
1298 void color_aliases (int idx);
1299 void create_windows (int argc, const char *const *argv);
1300 void get_colours ();
1301 void get_ourmods ();
1302 // main.C
1303 void tt_winch ();
1304 rxvt_term ();
1305 ~rxvt_term ();
1306 void destroy ();
1307 void emergency_cleanup ();
1308 void recolour_cursor ();
1309 void resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent);
1310 void window_calc (unsigned int newwidth, unsigned int newheight);
1311 bool set_fonts ();
1312 void set_string_property (Atom prop, const char *str, int len = -1);
1313 void set_mbstring_property (Atom prop, const char *str, int len = -1);
1314 void set_utf8_property (Atom prop, const char *str, int len = -1);
1315 void set_title (const char *str);
1316 void set_icon_name (const char *str);
1317 void set_window_color (int idx, const char *color);
1318 void set_colorfgbg ();
1319 bool set_color (rxvt_color &color, const char *name);
1320 void alias_color (int dst, int src);
1321 void set_widthheight (unsigned int newwidth, unsigned int newheight);
1322 void get_window_origin (int &x, int &y);
1323 Pixmap get_pixmap_property (int prop_id);
1324
1325 // screen.C
1326
1327 void lalloc (line_t &l) const
1328 {
1329 l.t = (text_t *)talloc->alloc ();
1330 l.r = (rend_t *)ralloc->alloc ();
1331 }
1332
1333 #if 0
1334 void lfree (line_t &l)
1335 {
1336 talloc->free (l.t);
1337 ralloc->free (l.r);
1338 }
1339 #endif
1340
1341 void lresize (line_t &l) const
1342 {
1343 if (!l.t)
1344 return;
1345
1346 l.t = (text_t *)talloc->alloc (l.t, prev_ncol * sizeof (text_t));
1347 l.r = (rend_t *)ralloc->alloc (l.r, prev_ncol * sizeof (rend_t));
1348
1349 l.l = min (l.l, ncol);
1350
1351 if (ncol > prev_ncol)
1352 scr_blank_line (l, prev_ncol, ncol - prev_ncol, DEFAULT_RSTYLE);
1353 }
1354
1355 int fgcolor_of (rend_t r) const NOTHROW
1356 {
1357 int base = GET_BASEFG (r);
1358 #ifndef NO_BRIGHTCOLOR
1359 if (r & RS_Bold
1360 # if ENABLE_STYLES
1361 && option (Opt_intensityStyles)
1362 # endif
1363 && IN_RANGE_INC (base, minCOLOR, minBrightCOLOR))
1364 base += minBrightCOLOR - minCOLOR;
1365 #endif
1366 return base;
1367 }
1368
1369 int bgcolor_of (rend_t r) const NOTHROW
1370 {
1371 int base = GET_BASEBG (r);
1372 #ifndef NO_BRIGHTCOLOR
1373 if (r & RS_Blink
1374 # if ENABLE_STYLES
1375 && option (Opt_intensityStyles)
1376 # endif
1377 && IN_RANGE_INC (base, minCOLOR, minBrightCOLOR))
1378 base += minBrightCOLOR - minCOLOR;
1379 #endif
1380 return base;
1381 }
1382
1383 bool option (uint8_t opt) const NOTHROW
1384 {
1385 if (!opt)
1386 return 0;
1387
1388 --opt;
1389 return options[opt >> 3] & (1 << (opt & 7));
1390 }
1391
1392 void set_option (uint8_t opt, bool set = true) NOTHROW
1393 {
1394 if (!opt)
1395 return;
1396
1397 --opt;
1398 if (set)
1399 options[opt >> 3] |= (1 << (opt & 7));
1400 else
1401 options[opt >> 3] &= ~(1 << (opt & 7));
1402 }
1403
1404 void set_privmode (unsigned bit, int set) NOTHROW
1405 {
1406 if (set)
1407 priv_modes |= bit;
1408 else
1409 priv_modes &= ~bit;
1410 }
1411
1412 // modifies first argument(!)
1413 void paste (char *data, unsigned int len) NOTHROW;
1414 void scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const NOTHROW;
1415 void scr_blank_screen_mem (line_t &l, rend_t efs) const NOTHROW;
1416 void scr_kill_char (line_t &l, int col) const NOTHROW;
1417 int scr_scroll_text (int row1, int row2, int count) NOTHROW;
1418 void scr_reset ();
1419 void scr_release () NOTHROW;
1420 void scr_clear (bool really = false) NOTHROW;
1421 void scr_refresh () NOTHROW;
1422 bool scr_refresh_rend (rend_t mask, rend_t value) NOTHROW;
1423 void scr_erase_screen (int mode) NOTHROW;
1424 #if ENABLE_FRILLS
1425 void scr_erase_savelines () NOTHROW;
1426 void scr_backindex () NOTHROW;
1427 void scr_forwardindex () NOTHROW;
1428 #endif
1429 void scr_touch (bool refresh) NOTHROW;
1430 void scr_expose (int x, int y, int width, int height, bool refresh) NOTHROW;
1431 void scr_recolour () NOTHROW;
1432 void scr_remap_chars () NOTHROW;
1433 void scr_remap_chars (line_t &l) NOTHROW;
1434
1435 enum cursor_mode { SAVE, RESTORE };
1436
1437 void scr_poweron ();
1438 void scr_soft_reset () NOTHROW;
1439 void scr_cursor (cursor_mode mode) NOTHROW;
1440 void scr_do_wrap () NOTHROW;
1441 void scr_swap_screen () NOTHROW;
1442 void scr_change_screen (int scrn);
1443 void scr_color (unsigned int color, int fgbg) NOTHROW;
1444 void scr_rendition (int set, int style) NOTHROW;
1445 void scr_add_lines (const wchar_t *str, int len, int minlines = 0) NOTHROW;
1446 void scr_backspace () NOTHROW;
1447 void scr_tab (int count, bool ht = false) NOTHROW;
1448 void scr_gotorc (int row, int col, int relative) NOTHROW;
1449 void scr_index (enum page_dirn direction) NOTHROW;
1450 void scr_erase_line (int mode) NOTHROW;
1451 void scr_E () NOTHROW;
1452 void scr_insdel_lines (int count, int insdel) NOTHROW;
1453 void scr_insdel_chars (int count, int insdel) NOTHROW;
1454 void scr_scroll_region (int top, int bot) NOTHROW;
1455 void scr_cursor_visible (int mode) NOTHROW;
1456 void scr_autowrap (int mode) NOTHROW;
1457 void scr_relative_origin (int mode) NOTHROW;
1458 void scr_insert_mode (int mode) NOTHROW;
1459 void scr_set_tab (int mode) NOTHROW;
1460 void scr_rvideo_mode (bool on) NOTHROW;
1461 void scr_report_position () NOTHROW;
1462 void set_font_style () NOTHROW;
1463 void scr_charset_choose (int set) NOTHROW;
1464 void scr_charset_set (int set, unsigned int ch) NOTHROW;
1465 void scr_move_to (int y, int len) NOTHROW;
1466 bool scr_page (enum page_dirn direction, int nlines) NOTHROW;
1467 bool scr_changeview (int new_view_start) NOTHROW;
1468 void scr_bell () NOTHROW;
1469 void scr_printscreen (int fullhist) NOTHROW;
1470 void scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) NOTHROW;
1471 void scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) NOTHROW;
1472 void scr_reverse_selection () NOTHROW;
1473 void scr_dump (int fd) NOTHROW;
1474
1475 void selection_check (int check_more) NOTHROW;
1476 void selection_paste (Window win, Atom prop, bool delete_prop) NOTHROW;
1477 void selection_property (Window win, Atom prop) NOTHROW;
1478 void selection_request (Time tm, int selnum = Sel_Primary) NOTHROW;
1479 int selection_request_other (Atom target, int selnum) NOTHROW;
1480 void selection_clear (bool clipboard = false) NOTHROW;
1481 void clipboard_copy (Time tm);
1482 void selection_make (Time tm);
1483 bool selection_grab (Time tm, bool clipboard = false) NOTHROW;
1484 void selection_start_colrow (int col, int row) NOTHROW;
1485 void selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW;
1486 void selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW;
1487 void selection_remove_trailing_spaces () NOTHROW;
1488 void selection_send (const XSelectionRequestEvent &rq) NOTHROW;
1489 void selection_click (int clicks, int x, int y) NOTHROW;
1490 void selection_extend (int x, int y, int flag) NOTHROW;
1491 void selection_rotate (int x, int y) NOTHROW;
1492
1493 // xdefaults.C
1494 void get_options (int argc, const char *const *argv);
1495 int parse_keysym (const char *str, const char *arg);
1496 const char *x_resource (const char *name);
1497 void extract_resources ();
1498 };
1499
1500 #endif /* _RXVT_H_ */
1501