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/cvs/rxvt-unicode/src/rxvt.h
Revision: 1.518
Committed: Sun Jan 13 22:30:47 2013 UTC (11 years, 4 months ago) by sf-exg
Content type: text/plain
Branch: MAIN
Changes since 1.517: +1 -0 lines
Log Message:
Factor the code to copy a line into a method.

File Contents

# Content
1 #ifndef RXVT_H_ /* include once only */
2 #define RXVT_H_
3
4 #include <stdio.h>
5 #include <ctype.h>
6 #include <errno.h>
7 #include <stdarg.h>
8 #include <stdlib.h>
9 #ifdef HAVE_STDINT_H
10 #include <stdint.h>
11 #endif
12 #include <sys/types.h>
13 #include <unistd.h>
14 #include <string.h>
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_WCHAR_H
24 # include <wchar.h>
25 #else
26 // stdlib.h might provide it
27 #endif
28
29 // we assume that Xlib.h defines XPointer, and it does since at least 1994...
30
31 extern "C" {
32 #include <X11/Xlib.h>
33 #include <X11/Xutil.h>
34 #include <X11/Xresource.h>
35 }
36
37 #if UNICODE_3
38 typedef uint32_t text_t;
39 #else
40 typedef uint16_t text_t; // saves lots of memory
41 #endif
42 typedef uint32_t rend_t;
43 typedef int32_t tlen_t; // was int16_t, but this results in smaller code and memory use
44 typedef int32_t tlen_t_; // specifically for use in the line_t structure
45
46 #include "feature.h"
47
48 #if defined (ISO_14755) || defined (ENABLE_PERL)
49 # define ENABLE_OVERLAY 1
50 # undef NO_RESOURCES
51 #endif
52
53 #if ENABLE_PERL
54 # define ENABLE_FRILLS 1
55 # define ENABLE_COMBINING 1
56 #endif
57
58 #if ENABLE_FRILLS
59 # define ENABLE_XEMBED 1
60 # define ENABLE_EWMH 1
61 # define ENABLE_XIM_ONTHESPOT 1
62 # define CURSOR_BLINK 1
63 # define OPTION_HC 1
64 # define BUILTIN_GLYPHS 1
65 #else
66 # define ENABLE_MINIMAL 1
67 #endif
68
69 #include <limits.h>
70
71 #include <X11/cursorfont.h>
72 #include <X11/keysym.h>
73 #include <X11/keysymdef.h>
74 #include <X11/Xatom.h>
75
76 #if HAVE_PIXBUF
77 # include <gdk-pixbuf/gdk-pixbuf.h>
78 #endif
79
80 #if XRENDER && (HAVE_PIXBUF || ENABLE_TRANSPARENCY)
81 # define HAVE_BG_PIXMAP 1
82 #endif
83
84 #if HAVE_BG_PIXMAP
85 # if HAVE_PIXBUF
86 # define BG_IMAGE_FROM_FILE 1
87 # endif
88 # if ENABLE_TRANSPARENCY
89 # define BG_IMAGE_FROM_ROOT 1
90 # endif
91 #endif
92
93 #include <ecb.h>
94 #include "encoding.h"
95 #include "rxvtutil.h"
96 #include "rxvtfont.h"
97 #include "rxvttoolkit.h"
98 #include "rxvtimg.h"
99 #include "scrollbar.h"
100 #include "ev_cpp.h"
101 #include "libptytty.h"
102
103 #include "rxvtperl.h"
104
105 // try to avoid some macros to decrease code size, on some systems
106 #if ENABLE_MINIMAL
107 # define strcmp(a,b) (strcmp)(a,b)
108 # define strlen(a) (strlen)(a)
109 # define strcpy(a,b) (strcpy)(a,b)
110 # define memset(a,c,l) (memset)(a,c,l)
111 # define memcpy(a,b,l) (memcpy)(a,b,l)
112 #endif
113
114 /*
115 *****************************************************************************
116 * SYSTEM HACKS
117 *****************************************************************************
118 */
119
120 #include <termios.h>
121
122 #ifndef STDIN_FILENO
123 # define STDIN_FILENO 0
124 # define STDOUT_FILENO 1
125 # define STDERR_FILENO 2
126 #endif
127
128 #ifndef EXIT_SUCCESS /* missing from <stdlib.h> */
129 # define EXIT_SUCCESS 0 /* exit function success */
130 # define EXIT_FAILURE 1 /* exit function failure */
131 #endif
132
133 /****************************************************************************/
134
135 // exception thrown on fatal (per-instance) errors
136 class rxvt_failure_exception { };
137
138 // exception thrown when the command parser runs out of input data
139 class out_of_input { };
140
141 /*
142 *****************************************************************************
143 * PROTOTYPES
144 *****************************************************************************
145 */
146 // main.C
147 #define SET_LOCALE(locale) rxvt_set_locale (locale)
148 extern bool rxvt_set_locale (const char *locale) NOTHROW;
149 extern void rxvt_push_locale (const char *locale) NOTHROW;
150 extern void rxvt_pop_locale () NOTHROW;
151 void rxvt_init ();
152
153 // misc.C
154 char * rxvt_wcstombs (const wchar_t *str, int len = -1);
155 wchar_t * rxvt_mbstowcs (const char *str, int len = -1);
156 char * rxvt_wcstoutf8 (const wchar_t *str, int len = -1);
157 wchar_t * rxvt_utf8towcs (const char *str, int len = -1);
158
159 const char * rxvt_basename (const char *str) NOTHROW;
160 void rxvt_vlog (const char *fmt, va_list arg_ptr) NOTHROW;
161 void rxvt_log (const char *fmt,...) NOTHROW;
162 void rxvt_warn (const char *fmt,...) NOTHROW;
163 void rxvt_fatal (const char *fmt, ...) THROW ((class rxvt_failure_exception)) ecb_noreturn ecb_cold;
164 void rxvt_exit_failure () THROW ((class rxvt_failure_exception)) ecb_noreturn ecb_cold;
165
166 char * rxvt_strtrim (char *str) NOTHROW;
167 char ** rxvt_strsplit (char delim, const char *str) NOTHROW;
168
169 static inline void
170 rxvt_free_strsplit (char **ptr) NOTHROW
171 {
172 free (ptr[0]);
173 free (ptr);
174 }
175
176 void * rxvt_malloc (size_t size);
177 void * rxvt_calloc (size_t number, size_t size);
178 void * rxvt_realloc (void *ptr, size_t size);
179
180 /////////////////////////////////////////////////////////////////////////////
181
182 // temporarily replace the process environment
183 extern char **environ;
184 extern char **rxvt_environ; // the original environ pointer
185
186 static inline void
187 set_environ (stringvec *envv)
188 {
189 #if ENABLE_PERL
190 assert (envv);
191 #else
192 if (envv)
193 #endif
194 environ = (char **)envv->begin ();
195 }
196
197 static inline void
198 set_environ (char **envv)
199 {
200 #if ENABLE_PERL
201 assert (envv);
202 #else
203 if (envv)
204 #endif
205 environ = envv;
206 }
207
208 struct localise_env
209 {
210 char **orig_env;
211
212 localise_env (char **new_env)
213 {
214 orig_env = environ;
215 environ = new_env;
216 }
217
218 ~localise_env ()
219 {
220 environ = orig_env;
221 }
222 };
223
224 #ifdef HAVE_BG_PIXMAP
225 struct image_effects
226 {
227 bool tint_set;
228 rxvt_color tint;
229 int shade;
230 int h_blurRadius, v_blurRadius;
231
232 image_effects ()
233 {
234 tint_set =
235 h_blurRadius =
236 v_blurRadius = 0;
237 shade = 100;
238 }
239
240 bool need_tint ()
241 {
242 return shade != 100 || tint_set;
243 }
244
245 bool need_blur ()
246 {
247 return h_blurRadius && v_blurRadius;
248 }
249
250 bool set_tint (const rxvt_color &new_tint);
251 bool set_shade (const char *shade_str);
252 bool set_blur (const char *geom);
253 };
254
255 # if BG_IMAGE_FROM_FILE
256 enum {
257 IM_IS_SIZE_SENSITIVE = 1 << 1,
258 IM_KEEP_ASPECT = 1 << 2,
259 IM_ROOT_ALIGN = 1 << 3,
260 IM_TILE = 1 << 4,
261 IM_GEOMETRY_FLAGS = IM_KEEP_ASPECT | IM_ROOT_ALIGN | IM_TILE,
262 };
263
264 enum {
265 noScale = 0,
266 windowScale = 100,
267 defaultScale = windowScale,
268 centerAlign = 50,
269 defaultAlign = centerAlign,
270 };
271
272 struct rxvt_image : image_effects
273 {
274 unsigned short alpha;
275 uint8_t flags;
276 unsigned int h_scale, v_scale; /* percents of the window size */
277 int h_align, v_align; /* percents of the window size:
278 0 - left align, 50 - center, 100 - right */
279
280 bool is_size_sensitive ()
281 {
282 return (!(flags & IM_TILE)
283 || h_scale || v_scale
284 || (!(flags & IM_ROOT_ALIGN) && (h_align || v_align)));
285 }
286
287 rxvt_img *img;
288
289 void destroy ()
290 {
291 delete img;
292 img = 0;
293 }
294
295 rxvt_image ();
296 void set_file_geometry (rxvt_screen *s, const char *file);
297 void set_file (rxvt_screen *s, const char *file);
298 bool set_geometry (const char *geom, bool update = false);
299 };
300 # endif
301 #endif
302
303 /*
304 *****************************************************************************
305 * STRUCTURES AND TYPEDEFS
306 *****************************************************************************
307 */
308
309 /*
310 * the 'essential' information for reporting Mouse Events
311 * pared down from XButtonEvent
312 */
313 struct mouse_event
314 {
315 int clicks;
316 Time time; /* milliseconds */
317 unsigned int state; /* key or button mask */
318 unsigned int button; /* detail */
319 };
320
321 #if ENABLE_XEMBED
322 // XEMBED messages
323 # define XEMBED_EMBEDDED_NOTIFY 0
324 # define XEMBED_WINDOW_ACTIVATE 1
325 # define XEMBED_WINDOW_DEACTIVATE 2
326 # define XEMBED_REQUEST_FOCUS 3
327 # define XEMBED_FOCUS_IN 4
328 # define XEMBED_FOCUS_OUT 5
329 # define XEMBED_FOCUS_NEXT 6
330 # define XEMBED_FOCUS_PREV 7
331
332 # define XEMBED_MODALITY_ON 10
333 # define XEMBED_MODALITY_OFF 11
334 # define XEMBED_REGISTER_ACCELERATOR 12
335 # define XEMBED_UNREGISTER_ACCELERATOR 13
336 # define XEMBED_ACTIVATE_ACCELERATOR 14
337
338 // XEMBED detail code
339 # define XEMBED_FOCUS_CURRENT 0
340 # define XEMBED_FOCUS_FIRST 1
341 # define XEMBED_FOCUS_LAST 2
342
343 # define XEMBED_MAPPED (1 << 0)
344 #endif
345
346 /*
347 *****************************************************************************
348 * NORMAL DEFINES
349 *****************************************************************************
350 */
351
352 /* COLORTERM, TERM environment variables */
353 #define COLORTERMENV "rxvt"
354 #if BG_IMAGE_FROM_FILE
355 # define COLORTERMENVFULL COLORTERMENV "-xpm"
356 #else
357 # define COLORTERMENVFULL COLORTERMENV
358 #endif
359 #ifndef TERMENV
360 # if USE_256_COLORS
361 # define TERMENV "rxvt-unicode-256color"
362 # else
363 # define TERMENV "rxvt-unicode"
364 # endif
365 #endif
366
367 #if defined (NO_MOUSE_REPORT) && !defined (NO_MOUSE_REPORT_SCROLLBAR)
368 # define NO_MOUSE_REPORT_SCROLLBAR 1
369 #endif
370
371 #define scrollBar_esc 30
372
373 #if !defined (RXVT_SCROLLBAR) && !defined (NEXT_SCROLLBAR)
374 # define NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING 1
375 #endif
376
377 enum {
378 NO_REFRESH = 0, /* Window not visible at all! */
379 FAST_REFRESH = 1, /* Fully exposed window */
380 SLOW_REFRESH = 2, /* Partially exposed window */
381 };
382
383 #ifdef NO_SECONDARY_SCREEN
384 # define NSCREENS 0
385 #else
386 # define NSCREENS 1
387 #endif
388
389 /* flags for rxvt_term::scr_gotorc () */
390 enum {
391 C_RELATIVE = 1, /* col movement is relative */
392 R_RELATIVE = 2, /* row movement is relative */
393 RELATIVE = C_RELATIVE | R_RELATIVE,
394 };
395
396 /* modes for rxvt_term::scr_insdel_chars (), rxvt_term::scr_insdel_lines () */
397 enum {
398 INSERT = -1, /* don't change these values */
399 DELETE = +1,
400 ERASE = +2,
401 };
402
403 /* modes for rxvt_term::scr_page () - scroll page. used by scrollbar window */
404 enum page_dirn {
405 UP,
406 DN,
407 NO_DIR,
408 };
409
410 /* arguments for rxvt_term::scr_change_screen () */
411 enum {
412 PRIMARY = 0,
413 SECONDARY,
414 };
415
416 // define various rendition bits and masks. the rendition word
417 // is 32 bits in size, and we should use it as efficiently as possible
418
419 #define RS_None 0
420
421 // GET_BGATTR depends on RS_fgShift > RS_bgShift
422 #define RS_colorMask ((1UL << Color_Bits) - 1UL)
423 #define RS_bgShift 0
424 #define RS_fgShift (RS_bgShift + Color_Bits)
425 #define RS_bgMask (RS_colorMask << RS_bgShift)
426 #define RS_fgMask (RS_colorMask << RS_fgShift)
427
428 // must have space for rxvt_fontset::fontCount * 2 + 2 values
429 #define RS_fontShift (RS_fgShift + Color_Bits)
430 #define RS_Careful (1UL << RS_fontShift) /* be careful when drawing these */
431 #define RS_fontCount rxvt_fontset::fontCount
432 #define RS_fontMask ((RS_fontCount << (RS_fontShift + 1)) | RS_Careful) // includes RS_Careful
433
434 // toggle this to force redraw, must be != RS_Careful and otherwise "pretty neutral"
435 #define RS_redraw (2UL << RS_fontShift)
436
437 #define RS_Sel (1UL << 22)
438
439 // 4 custom bits for extensions
440 #define RS_customCount 16UL
441 #define RS_customShift 23
442 #define RS_customMask ((RS_customCount - 1UL) << RS_customShift)
443
444 // font styles
445 #define RS_Bold (1UL << RS_styleShift)
446 #define RS_Italic (2UL << RS_styleShift)
447
448 #define RS_styleCount 4
449 #define RS_styleShift 27
450 #define RS_styleMask (RS_Bold | RS_Italic)
451
452 // fake styles
453 #define RS_Blink (1UL << 29)
454 #define RS_RVid (1UL << 30) // reverse video
455 #define RS_Uline (1UL << 31) // underline
456
457 #define RS_baseattrMask (RS_Italic | RS_Bold | RS_Blink | RS_RVid | RS_Uline)
458 #define RS_attrMask (RS_baseattrMask | RS_fontMask)
459
460 #define DEFAULT_RSTYLE (RS_None | (Color_fg << RS_fgShift) | (Color_bg << RS_bgShift))
461 #define OVERLAY_RSTYLE (RS_None | (Color_Black << RS_fgShift) | (Color_Yellow << RS_bgShift))
462
463 enum {
464 C0_NUL = 0x00,
465 C0_SOH, C0_STX, C0_ETX, C0_EOT, C0_ENQ, C0_ACK, C0_BEL,
466 C0_BS , C0_HT , C0_LF , C0_VT , C0_FF , C0_CR , C0_SO , C0_SI ,
467 C0_DLE, C0_DC1, C0_DC2, D0_DC3, C0_DC4, C0_NAK, C0_SYN, C0_ETB,
468 C0_CAN, C0_EM , C0_SUB, C0_ESC, C0_IS4, C0_IS3, C0_IS2, C0_IS1,
469 };
470 #define CHAR_ST 0x9c /* 0234 */
471
472 /*
473 * XTerm Operating System Commands: ESC ] Ps;Pt (ST|BEL)
474 * colour extensions by Christian W. Zuckschwerdt <zany@triq.net>
475 */
476 enum {
477 XTerm_name = 0,
478 XTerm_iconName = 1,
479 XTerm_title = 2,
480 XTerm_property = 3, // change X property
481 XTerm_Color = 4, // change colors
482 XTerm_Color00 = 10, // change fg color
483 XTerm_Color01 = 11, // change bg color
484 XTerm_Color_cursor = 12, // change actual 'Cursor' color
485 XTerm_Color_pointer_fg = 13, // change actual 'Pointer' fg color
486 XTerm_Color_pointer_bg = 14, // change actual 'Pointer' bg color
487 XTerm_Color05 = 15, // not implemented (tektronix fg)
488 XTerm_Color06 = 16, // not implemented (tektronix bg)
489 XTerm_Color_HC = 17, // change actual 'Highlight' bg color
490 XTerm_Color_HTC = 19, // change actual 'Highlight' fg color
491 XTerm_logfile = 46, // not implemented
492 XTerm_font = 50,
493
494 XTerm_konsole30 = 30, // reserved for konsole
495 XTerm_konsole31 = 31, // reserved for konsole
496 XTerm_emacs51 = 51, // reserved for emacs shell
497 /*
498 * rxvt extensions of XTerm OSCs: ESC ] Ps;Pt (ST|BEL)
499 */
500
501 // deprecated
502 Rxvt_restoreFG = 39,
503 Rxvt_restoreBG = 49,
504
505 Rxvt_Pixmap = 20, // new bg pixmap
506 Rxvt_dumpscreen = 55, // dump scrollback and all of screen
507
508 URxvt_locale = 701, // change locale
509 URxvt_version = 702, // request version
510
511 URxvt_Color_IT = 704, // change actual 'Italic' colour
512 URxvt_Color_tint = 705, // change actual tint colour
513 URxvt_Color_BD = 706, // change actual 'Bold' color
514 URxvt_Color_UL = 707, // change actual 'Underline' color
515 URxvt_Color_border = 708,
516
517 URxvt_font = 710,
518 URxvt_boldFont = 711,
519 URxvt_italicFont = 712,
520 URxvt_boldItalicFont = 713,
521
522 URxvt_view_up = 720,
523 URxvt_view_down = 721,
524
525 URxvt_perl = 777, // for use by perl extensions, starts with "extension-name;"
526 };
527
528 /* Words starting with `Color_' are colours. Others are counts */
529 /*
530 * The PixColor and rendition colour usage should probably be decoupled
531 * on the unnecessary items, e.g. Color_pointer, but won't bother
532 * until we need to. Also, be aware of usage in pixcolor_set
533 */
534
535 enum colour_list {
536 Color_none = -2,
537 Color_transparent = -1,
538 Color_fg = 0,
539 Color_bg,
540 minCOLOR, /* 2 */
541 Color_Black = minCOLOR,
542 Color_Red3,
543 Color_Green3,
544 Color_Yellow3,
545 Color_Blue3,
546 Color_Magenta3,
547 Color_Cyan3,
548 maxCOLOR, /* minCOLOR + 7 */
549 #ifndef NO_BRIGHTCOLOR
550 Color_AntiqueWhite = maxCOLOR,
551 minBrightCOLOR, /* maxCOLOR + 1 */
552 Color_Grey25 = minBrightCOLOR,
553 Color_Red,
554 Color_Green,
555 Color_Yellow,
556 Color_Blue,
557 Color_Magenta,
558 Color_Cyan,
559 maxBrightCOLOR, /* minBrightCOLOR + 7 */
560 Color_White = maxBrightCOLOR,
561 #else
562 Color_White = maxCOLOR,
563 #endif
564 minTermCOLOR = Color_White + 1,
565 #if USE_256_COLORS
566 maxTermCOLOR = Color_White + 240,
567 #else
568 maxTermCOLOR = Color_White + 72,
569 #endif
570 #ifndef NO_CURSORCOLOR
571 Color_cursor,
572 Color_cursor2,
573 #endif
574 Color_pointer_fg,
575 Color_pointer_bg,
576 Color_border,
577 #ifndef NO_BOLD_UNDERLINE_REVERSE
578 Color_BD,
579 Color_IT,
580 Color_UL,
581 Color_RV,
582 #endif
583 #if ENABLE_FRILLS
584 Color_underline,
585 #endif
586 #ifdef OPTION_HC
587 Color_HC,
588 Color_HTC,
589 #endif
590 Color_scroll,
591 #ifdef RXVT_SCROLLBAR
592 Color_trough,
593 #endif
594 #if BG_IMAGE_FROM_ROOT
595 Color_tint,
596 #endif
597 #if OFF_FOCUS_FADING
598 Color_fade,
599 #endif
600 NRS_COLORS, /* */
601 #ifdef RXVT_SCROLLBAR
602 Color_topShadow = NRS_COLORS,
603 Color_bottomShadow,
604 TOTAL_COLORS
605 #else
606 TOTAL_COLORS = NRS_COLORS
607 #endif
608 };
609
610 #if USE_256_COLORS
611 # define Color_Bits 9 // 0 .. maxTermCOLOR
612 #else
613 # define Color_Bits 7 // 0 .. maxTermCOLOR
614 #endif
615
616 /*
617 * Resource list
618 */
619 enum {
620 # define def(name) Rs_ ## name,
621 # define reserve(name,count) Rs_ ## name ## _ = Rs_ ## name + (count) - 1,
622 # include "rsinc.h"
623 # undef def
624 # undef reserve
625 NUM_RESOURCES
626 };
627
628 /* DEC private modes */
629 #define PrivMode_132 (1UL<<0)
630 #define PrivMode_132OK (1UL<<1)
631 #define PrivMode_rVideo (1UL<<2)
632 #define PrivMode_relOrigin (1UL<<3)
633 #define PrivMode_Screen (1UL<<4)
634 #define PrivMode_Autowrap (1UL<<5)
635 #define PrivMode_aplCUR (1UL<<6)
636 #define PrivMode_aplKP (1UL<<7)
637 #define PrivMode_HaveBackSpace (1UL<<8)
638 #define PrivMode_BackSpace (1UL<<9)
639 #define PrivMode_ShiftKeys (1UL<<10)
640 #define PrivMode_VisibleCursor (1UL<<11)
641 #define PrivMode_MouseX10 (1UL<<12)
642 #define PrivMode_MouseX11 (1UL<<13)
643 #define PrivMode_scrollBar (1UL<<14)
644 #define PrivMode_TtyOutputInh (1UL<<15)
645 #define PrivMode_Keypress (1UL<<16)
646 #define PrivMode_smoothScroll (1UL<<17)
647 #define PrivMode_vt52 (1UL<<18)
648 #define PrivMode_LFNL (1UL<<19)
649 #define PrivMode_MouseBtnEvent (1UL<<20)
650 #define PrivMode_MouseAnyEvent (1UL<<21)
651 #define PrivMode_BracketPaste (1UL<<22)
652 #define PrivMode_ExtModeMouse (1UL<<23) // xterm pseudo-utf-8 hack
653 #define PrivMode_ExtMouseRight (1UL<<24) // xterm pseudo-utf-8, but works in non-utf-8-locales
654
655 #define PrivMode_mouse_report (PrivMode_MouseX10|PrivMode_MouseX11|PrivMode_MouseBtnEvent|PrivMode_MouseAnyEvent)
656
657 #ifdef ALLOW_132_MODE
658 # define PrivMode_Default (PrivMode_Autowrap|PrivMode_ShiftKeys|PrivMode_VisibleCursor|PrivMode_132OK)
659 #else
660 # define PrivMode_Default (PrivMode_Autowrap|PrivMode_ShiftKeys|PrivMode_VisibleCursor)
661 #endif
662
663 // do not change these constants lightly, there are many interdependencies
664 #define IMBUFSIZ 128 // input modifier buffer sizes
665 #define KBUFSZ 512 // size of keyboard mapping buffer
666 #define CBUFSIZ 2048 // size of command buffer
667 #define CBUFCNT 8 // never call pty_fill/cmd_parse more than this often in a row
668 #define UBUFSIZ 2048 // character buffer
669
670 #if ENABLE_FRILLS
671 # include <X11/Xmd.h>
672 typedef struct _mwmhints
673 {
674 CARD32 flags;
675 CARD32 functions;
676 CARD32 decorations;
677 INT32 input_mode;
678 CARD32 status;
679 } MWMHints;
680 #endif
681
682 /* Motif window hints */
683 #define MWM_HINTS_FUNCTIONS (1L << 0)
684 #define MWM_HINTS_DECORATIONS (1L << 1)
685 #define MWM_HINTS_INPUT_MODE (1L << 2)
686 #define MWM_HINTS_STATUS (1L << 3)
687 /* bit definitions for MwmHints.functions */
688 #define MWM_FUNC_ALL (1L << 0)
689 #define MWM_FUNC_RESIZE (1L << 1)
690 #define MWM_FUNC_MOVE (1L << 2)
691 #define MWM_FUNC_MINIMIZE (1L << 3)
692 #define MWM_FUNC_MAXIMIZE (1L << 4)
693 #define MWM_FUNC_CLOSE (1L << 5)
694 /* bit definitions for MwmHints.decorations */
695 #define MWM_DECOR_ALL (1L << 0)
696 #define MWM_DECOR_BORDER (1L << 1)
697 #define MWM_DECOR_RESIZEH (1L << 2)
698 #define MWM_DECOR_TITLE (1L << 3)
699 #define MWM_DECOR_MENU (1L << 4)
700 #define MWM_DECOR_MINIMIZE (1L << 5)
701 #define MWM_DECOR_MAXIMIZE (1L << 6)
702 /* bit definitions for MwmHints.inputMode */
703 #define MWM_INPUT_MODELESS 0
704 #define MWM_INPUT_PRIMARY_APPLICATION_MODAL 1
705 #define MWM_INPUT_SYSTEM_MODAL 2
706 #define MWM_INPUT_FULL_APPLICATION_MODAL 3
707 #define PROP_MWM_HINTS_ELEMENTS 5
708
709 /*
710 *****************************************************************************
711 * MACRO DEFINES
712 *****************************************************************************
713 */
714
715 // speed hack, copy some member variable into a local variable of the same name
716 #define dLocal(type,name) type const name = this->name
717
718 // for speed reasons, we assume that all codepoints 32 to 126 are
719 // single-width.
720 #define WCWIDTH(c) (IN_RANGE_INC (c, 0x20, 0x7e) ? 1 : wcwidth (c))
721
722 /* convert pixel dimensions to row/column values. Everything as int32_t */
723 #define Pixel2Col(x) Pixel2Width((int32_t)(x))
724 #define Pixel2Row(y) Pixel2Height((int32_t)(y))
725 #define Pixel2Width(x) ((int32_t)(x) / (int32_t)fwidth)
726 #define Pixel2Height(y) ((int32_t)(y) / (int32_t)fheight)
727 #define Col2Pixel(col) ((int32_t)Width2Pixel(col))
728 #define Row2Pixel(row) ((int32_t)Height2Pixel(row))
729 #define Width2Pixel(n) ((int32_t)(n) * (int32_t)fwidth)
730 #define Height2Pixel(n) ((int32_t)(n) * (int32_t)fheight)
731
732 #define LINENO_of(t,n) MOD ((t)->term_start + int(n), (t)->total_rows)
733 #define ROW_of(t,n) (t)->row_buf [LINENO_of ((t), n)]
734
735 #define LINENO(n) LINENO_of (this, n)
736 #define ROW(n) ROW_of (this, n)
737
738 /* how to build & extract colors and attributes */
739 #define GET_BASEFG(x) (((x) & RS_fgMask) >> RS_fgShift)
740 #define GET_BASEBG(x) (((x) & RS_bgMask) >> RS_bgShift)
741
742 #define GET_FONT(x) (((x) & RS_fontMask) >> RS_fontShift)
743 #define SET_FONT(x,fid) (((x) & ~RS_fontMask) | ((fid) << RS_fontShift))
744
745 #define GET_STYLE(x) (((x) & RS_styleMask) >> RS_styleShift)
746 #define SET_STYLE(x,style) (((x) & ~RS_styleMask) | ((style) << RS_styleShift))
747
748 #define GET_ATTR(x) (((x) & RS_attrMask))
749 // return attributes defining the background, encoding doesn't matter
750 // depends on RS_fgShift > RS_bgShift
751 #define GET_BGATTR(x) \
752 (ecb_unlikely ((x) & RS_RVid) \
753 ? (((x) & (RS_attrMask & ~RS_RVid)) \
754 | (((x) & RS_fgMask) >> (RS_fgShift - RS_bgShift))) \
755 : ((x) & (RS_attrMask | RS_bgMask)))
756 #define SET_FGCOLOR(x,fg) (((x) & ~RS_fgMask) | ((fg) << RS_fgShift))
757 #define SET_BGCOLOR(x,bg) (((x) & ~RS_bgMask) | ((bg) << RS_bgShift))
758 #define SET_ATTR(x,a) (((x) & ~RS_attrMask) | (a))
759
760 #define RS_SAME(a,b) (!(((a) ^ (b)) & ~RS_Careful))
761
762 #define PIXCOLOR_NAME(idx) rs[Rs_color + (idx)]
763 #define ISSET_PIXCOLOR(idx) (!!rs[Rs_color + (idx)])
764
765 #if ENABLE_STYLES
766 # define FONTSET_of(t,style) (t)->fontset[GET_STYLE (style)]
767 #else
768 # define FONTSET_of(t,style) (t)->fontset[0]
769 #endif
770
771 #define FONTSET(style) FONTSET_of (this, style)
772
773 typedef callback<void (const char *)> log_callback;
774 typedef callback<int (int)> getfd_callback;
775
776 /****************************************************************************/
777
778 #define LINE_LONGER 0x0001 // line is continued on the next row
779 #define LINE_FILTERED 0x0002 // line has been filtered
780 #define LINE_COMPRESSED 0x0004 // line has been compressed (NYI)
781 #define LINE_FILTER 0x0008 // line needs to be filtered before display (NYI)
782 #define LINE_BIDI 0x0010 // line needs bidi (NYI)
783
784 struct line_t
785 {
786 text_t *t; // terminal the text
787 rend_t *r; // rendition, uses RS_ flags
788 tlen_t_ l; // length of each text line
789 uint32_t f; // flags
790
791 bool valid ()
792 {
793 return l >= 0;
794 }
795
796 void alloc ()
797 {
798 l = 0;
799 }
800
801 bool is_longer ()
802 {
803 return f & LINE_LONGER;
804 }
805
806 void is_longer (int set)
807 {
808 if (set)
809 f |= LINE_LONGER;
810 else
811 f &= ~LINE_LONGER;
812 }
813
814 void clear ()
815 {
816 t = 0;
817 r = 0;
818 l = 0;
819 f = 0;
820 }
821
822 void touch () // call whenever a line is changed/touched/updated
823 {
824 #if ENABLE_PERL
825 f &= ~LINE_FILTERED;
826 #endif
827 }
828
829 void touch (int col)
830 {
831 max_it (l, col);
832 touch ();
833 }
834 };
835
836 /****************************************************************************/
837
838 // primitive wrapper around mbstate_t to ensure initialisation
839 struct mbstate
840 {
841 mbstate_t mbs;
842
843 operator mbstate_t *() { return &mbs; }
844 void reset () { memset (&mbs, 0, sizeof (mbs)); }
845 mbstate () { reset (); }
846 };
847
848 /****************************************************************************/
849
850 #define UNICODE_MASK 0x1fffffUL
851
852 #if UNICODE_3
853 # define COMPOSE_LO 0x40000000UL
854 # define COMPOSE_HI 0x400fffffUL
855 # define IS_COMPOSE(n) ((int32_t)(n) >= COMPOSE_LO)
856 #else
857 # if ENABLE_PERL
858 # define COMPOSE_LO 0xe000UL // our _own_ functions don't like (illegal) surrogates
859 # define COMPOSE_HI 0xf8ffUL // in utf-8, so use private use area only
860 # else
861 # define COMPOSE_LO 0xd800UL
862 # define COMPOSE_HI 0xf8ffUL
863 # endif
864 # define IS_COMPOSE(n) IN_RANGE_INC ((n), COMPOSE_LO, COMPOSE_HI)
865 #endif
866
867 #if ENABLE_COMBINING
868 // compose chars are used to represent composite characters
869 // that are not representable in unicode, as well as characters
870 // not fitting in the BMP.
871 struct compose_char
872 {
873 unicode_t c1, c2; // any chars != NOCHAR are valid
874 #if __cplusplus >= 201103L || ECB_GCC_VERSION(4,4)
875 compose_char () = default;
876 #endif
877 compose_char (unicode_t c1, unicode_t c2)
878 : c1(c1), c2(c2)
879 { }
880 };
881
882 class rxvt_composite_vec
883 {
884 vector<compose_char> v;
885 public:
886 text_t compose (unicode_t c1, unicode_t c2 = NOCHAR);
887 int expand (unicode_t c, wchar_t *r);
888 compose_char *operator [](text_t c)
889 {
890 return c >= COMPOSE_LO && c < COMPOSE_LO + v.size ()
891 ? &v[c - COMPOSE_LO]
892 : 0;
893 }
894 };
895
896 extern class rxvt_composite_vec rxvt_composite;
897 #endif
898
899 /****************************************************************************/
900
901 #ifdef KEYSYM_RESOURCE
902 class keyboard_manager;
903 #endif
904
905 typedef struct rxvt_term *rxvt_t;
906
907 extern rxvt_t rxvt_current_term;
908
909 #define SET_R(r) rxvt_current_term = const_cast<rxvt_term *>(r)
910 #define GET_R rxvt_current_term
911
912 /* ------------------------------------------------------------------------- */
913 struct overlay_base
914 {
915 int x, y, w, h; // overlay dimensions
916 text_t **text;
917 rend_t **rend;
918
919 // while tempting to add swap() etc. here, it effectively only increases code size
920 };
921
922 /* ------------------------------------------------------------------------- */
923
924 typedef struct
925 {
926 int row;
927 int col;
928 } row_col_t;
929
930 /*
931 * terminal limits:
932 *
933 * width : 1 <= width
934 * height : 1 <= height
935 * ncol : 1 <= ncol <= MAX(tlen_t)
936 * nrow : 1 <= nrow <= MAX(int)
937 * saveLines : 0 <= saveLines <= MAX(int)
938 * term_start : 0 <= term_start < saveLines
939 * total_rows : nrow + saveLines
940 *
941 * top_row : -saveLines <= top_row <= 0
942 * view_start : top_row <= view_start <= 0
943 *
944 * | most coordinates are stored relative to term_start,
945 * ROW_BUF | which is the first line of the terminal screen
946 * |························= row_buf[0]
947 * |························= row_buf[1]
948 * |························= row_buf[2] etc.
949 * |
950 * +------------+···········= term_start + top_row
951 * | scrollback |
952 * | scrollback +---------+·= term_start + view_start
953 * | scrollback | display |
954 * | scrollback | display |
955 * +------------+·display·+·= term_start
956 * | terminal | display |
957 * | terminal +---------+
958 * | terminal |
959 * | terminal |
960 * +------------+···········= term_start + nrow - 1
961 * |
962 * |
963 * END······················= total_rows
964 */
965
966 struct TermWin_t
967 {
968 int vt_width; /* actual window width [pixels] */
969 int vt_height; /* actual window height [pixels] */
970 int width; /* window width [pixels] */
971 int height; /* window height [pixels] */
972 int fwidth; /* font width [pixels] */
973 int fheight; /* font height [pixels] */
974 int fbase; /* font ascent (baseline) [pixels] */
975 int ncol; /* window columns [characters] */
976 int nrow; /* window rows [characters] */
977 int focus; /* window has focus */
978 int mapped; /* window state mapped? */
979 int int_bwidth; /* internal border width */
980 int ext_bwidth; /* external border width */
981 int lineSpace; /* number of extra pixels between rows */
982 int letterSpace; /* number of extra pixels between columns */
983 int saveLines; /* number of lines that fit in scrollback */
984 int total_rows; /* total number of rows in this terminal */
985 int term_start; /* term lines start here */
986 int view_start; /* scrollback view starts here */
987 int top_row; /* topmost row index of scrollback */
988 Window parent; /* parent identifier */
989 Window vt; /* vt100 window */
990 GC gc; /* GC for drawing */
991 rxvt_drawable *drawable;
992 rxvt_fontset *fontset[4];
993 };
994
995 /*
996 * screen accounting:
997 * screen_t elements
998 * row: Cursor row position : 0 <= row < nrow
999 * col: Cursor column position : 0 <= col < ncol
1000 * tscroll: Scrolling region top row inclusive : 0 <= row < nrow
1001 * bscroll: Scrolling region bottom row inclusive : 0 <= row < nrow
1002 *
1003 * selection_t elements
1004 * clicks: 1, 2 or 3 clicks - 4 indicates a special condition of 1 where
1005 * nothing is selected
1006 * beg: row/column of beginning of selection : never past mark
1007 * mark: row/column of initial click : never past end
1008 * end: row/column of one character past end of selection
1009 * * Note: top_row <= beg.row <= mark.row <= end.row < nrow
1010 * * Note: col == -1 ==> we're left of screen
1011 *
1012 */
1013 struct screen_t
1014 {
1015 row_col_t cur; /* cursor position on the screen */
1016 int tscroll; /* top of settable scroll region */
1017 int bscroll; /* bottom of settable scroll region */
1018 unsigned int charset; /* character set number [0..3] */
1019 unsigned int flags; /* see below */
1020 row_col_t s_cur; /* saved cursor position */
1021 unsigned int s_charset; /* saved character set number [0..3] */
1022 char s_charset_char;
1023 rend_t s_rstyle; /* saved rendition style */
1024 };
1025
1026 enum selection_op_t
1027 {
1028 SELECTION_CLEAR = 0, /* nothing selected */
1029 SELECTION_INIT, /* marked a point */
1030 SELECTION_BEGIN, /* started a selection */
1031 SELECTION_CONT, /* continued selection */
1032 SELECTION_DONE /* selection put in CUT_BUFFER0 */
1033 };
1034
1035 struct selection_t
1036 {
1037 wchar_t *text; /* selected text */
1038 unsigned int len; /* length of selected text */
1039 unsigned int screen; /* screen being used */
1040 unsigned int clicks; /* number of clicks */
1041 selection_op_t op; /* current operation */
1042 bool rect; /* rectangular selection? */
1043 row_col_t beg; /* beginning of selection <= mark */
1044 row_col_t mark; /* point of initial click <= end */
1045 row_col_t end; /* one character past end point */
1046 wchar_t *clip_text; /* text copied to the clipboard */
1047 unsigned int clip_len; /* length of clipboard text */
1048 };
1049
1050 /* ------------------------------------------------------------------------- */
1051
1052 /* screen_t flags */
1053 #define Screen_Relative (1<<0) /* relative origin mode flag */
1054 #define Screen_VisibleCursor (1<<1) /* cursor visible? */
1055 #define Screen_Autowrap (1<<2) /* auto-wrap flag */
1056 #define Screen_Insert (1<<3) /* insert mode (vs. overstrike) */
1057 #define Screen_WrapNext (1<<4) /* need to wrap for next char? */
1058 #define Screen_DefaultFlags (Screen_VisibleCursor | Screen_Autowrap)
1059
1060 /* rxvt_vars.options */
1061 enum {
1062 # define def(name) Opt_ ## name,
1063 # define nodef(name) Opt_prev_ ## name, Opt_ ## name = 0, Opt_next_ ## name = Opt_prev_ ## name - 1,
1064 Opt_0,
1065 # include "optinc.h"
1066 # undef nodef
1067 # undef def
1068 Opt_count
1069 };
1070
1071 /* ------------------------------------------------------------------------- */
1072
1073 struct rxvt_vars : TermWin_t
1074 {
1075 scrollBar_t scrollBar;
1076 uint8_t options[(Opt_count + 7) >> 3];
1077 XSizeHints szHint;
1078 rxvt_color *pix_colors;
1079 Cursor TermWin_cursor; /* cursor for vt window */
1080
1081 line_t *row_buf; // all lines, scrollback + terminal, circular
1082 line_t *drawn_buf; // text on screen
1083 line_t *swap_buf; // lines for swap buffer
1084 char *tabs; /* per location: 1 == tab-stop */
1085 screen_t screen;
1086 screen_t swap;
1087 selection_t selection;
1088 rxvt_color pix_colors_focused[TOTAL_COLORS];
1089 #ifdef OFF_FOCUS_FADING
1090 rxvt_color pix_colors_unfocused[TOTAL_COLORS];
1091 #endif
1092 };
1093
1094 struct rxvt_term : zero_initialized, rxvt_vars, rxvt_screen
1095 {
1096
1097 // special markers with magic addresses
1098 static const char resval_undef []; // options specifically unset
1099 static const char resval_on []; // boolean options switched on
1100 static const char resval_off []; // or off
1101
1102 log_callback *log_hook; // log error messages through this hook, if != 0
1103 getfd_callback *getfd_hook; // convert remote to local fd, if != 0
1104 #if ENABLE_PERL
1105 rxvt_perl_term perl;
1106 #endif
1107 struct mbstate mbstate; // current input multibyte state
1108
1109 unsigned char want_refresh:1,
1110 current_screen:1, /* primary or secondary */
1111 num_scr_allow:1,
1112 bypass_keystate:1,
1113 #if ENABLE_FRILLS
1114 urgency_hint:1,
1115 #endif
1116 #if CURSOR_BLINK
1117 hidden_cursor:1,
1118 #endif
1119 #if TEXT_BLINK
1120 hidden_text:1,
1121 #endif
1122 #if POINTER_BLANK
1123 hidden_pointer:1,
1124 #endif
1125 enc_utf8:1, /* whether locale uses utf-8 */
1126 seen_input:1, /* whether we have seen some program output yet */
1127 seen_resize:1, /* whether we had a resize event */
1128 init_done:1,
1129 parsed_geometry:1;
1130
1131 unsigned char refresh_type,
1132 #ifdef META8_OPTION
1133 meta_char; /* Alt-key prefix */
1134 #endif
1135 /* ---------- */
1136 bool rvideo_state, rvideo_mode;
1137 #ifndef NO_BELL
1138 bool rvideo_bell;
1139 #endif
1140 int num_scr; /* screen: number of lines scrolled */
1141 int prev_ncol, /* screen: previous number of columns */
1142 prev_nrow; /* screen: previous number of rows */
1143 /* ---------- */
1144 rend_t rstyle;
1145 /* ---------- */
1146 #ifdef SELECTION_SCROLLING
1147 int scroll_selection_lines;
1148 enum page_dirn scroll_selection_dir;
1149 int selection_save_x,
1150 selection_save_y,
1151 selection_save_state;
1152 #endif
1153 /* ---------- */
1154 int csrO, /* Hops - csr offset in thumb/slider to */
1155 /* give proper Scroll behaviour */
1156 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1157 mouse_slip_wheel_speed,
1158 #endif
1159 refresh_count,
1160 window_vt_x,
1161 window_vt_y,
1162 mouse_row,
1163 mouse_col,
1164 # ifdef POINTER_BLANK
1165 pointerBlankDelay,
1166 # endif
1167 allowedxerror;
1168 /* ---------- */
1169 unsigned int ModLevel3Mask,
1170 ModMetaMask,
1171 ModNumLockMask;
1172 unsigned long priv_modes,
1173 SavedModes;
1174 /* ---------- */
1175 Atom *xa;
1176 /* ---------- */
1177 Time selection_time,
1178 clipboard_time;
1179 rxvt_selection *selection_req;
1180 pid_t cmd_pid; /* process id of child */
1181 /* ---------- */
1182 struct mouse_event MEvent;
1183 XComposeStatus compose;
1184 static struct termios def_tio;
1185 row_col_t oldcursor;
1186
1187 #ifdef HAVE_BG_PIXMAP
1188 void bg_init ();
1189 void bg_destroy ();
1190
1191 # if BG_IMAGE_FROM_FILE
1192 rxvt_image fimage;
1193 void render_image (rxvt_image &image);
1194 # endif
1195
1196 # if BG_IMAGE_FROM_ROOT
1197 rxvt_img *root_img;
1198 image_effects root_effects;
1199
1200 void render_root_image ();
1201 # endif
1202
1203 void tint_image (rxvt_img *img, rxvt_color &tint, bool tint_set, int shade);
1204
1205 ev_tstamp bg_valid_since;
1206
1207 bool bg_window_size_sensitive ();
1208 bool bg_window_position_sensitive ();
1209
1210 void bg_render ();
1211 #endif
1212
1213 #ifdef HAVE_IMG
1214 enum {
1215 BG_IS_TRANSPARENT = 1 << 1,
1216 BG_NEEDS_REFRESH = 1 << 2,
1217 BG_INHIBIT_RENDER = 1 << 3,
1218 };
1219
1220 uint8_t bg_flags;
1221
1222 rxvt_img *bg_img;
1223 #endif
1224
1225 #if ENABLE_OVERLAY
1226 overlay_base ov;
1227
1228 void scr_swap_overlay () NOTHROW;
1229 void scr_overlay_new (int x, int y, int w, int h) NOTHROW;
1230 void scr_overlay_off () NOTHROW;
1231 void scr_overlay_set (int x, int y,
1232 text_t text,
1233 rend_t rend = OVERLAY_RSTYLE) NOTHROW;
1234 void scr_overlay_set (int x, int y, const char *s) NOTHROW;
1235 void scr_overlay_set (int x, int y, const wchar_t *s) NOTHROW;
1236 #endif
1237
1238 vector<void *> allocated; // free these memory blocks with free()
1239
1240 int parent_x, parent_y; // parent window position relative to root, only updated on demand
1241
1242 char *locale;
1243 char charsets[4];
1244 char *v_buffer; /* pointer to physical buffer */
1245 unsigned int v_buflen; /* size of area to write */
1246 stringvec *argv, *envv; /* if != 0, will be freed at destroy time */
1247
1248 #ifdef KEYSYM_RESOURCE
1249 keyboard_manager *keyboard;
1250 #endif
1251 #ifndef NO_RESOURCES
1252 XrmDatabase option_db;
1253 #endif
1254
1255 const char *rs[NUM_RESOURCES];
1256 /* command input buffering */
1257 char *cmdbuf_ptr, *cmdbuf_endp;
1258 char cmdbuf_base[CBUFSIZ];
1259
1260 ptytty *pty;
1261
1262 // chunk contains all line_t's as well as rend_t and text_t buffers
1263 // for drawn_buf, swap_buf and row_buf, in this order
1264 void *chunk;
1265 size_t chunk_size;
1266
1267 static vector<rxvt_term *> termlist; // a vector of all running rxvt_term's
1268
1269 #if ENABLE_FRILLS || ISO_14755
1270 // ISO 14755 entry support
1271 unicode_t iso14755buf;
1272 void commit_iso14755 ();
1273 # if ISO_14755
1274 void iso14755_51 (unicode_t ch, rend_t r = DEFAULT_RSTYLE, int x = 0, int y = -1, int y2 = -1);
1275 void iso14755_54 (int x, int y);
1276 # endif
1277 #endif
1278
1279 long vt_emask, vt_emask_perl, vt_emask_xim, vt_emask_mouse;
1280
1281 void vt_select_input () const NOTHROW
1282 {
1283 XSelectInput (dpy, vt, vt_emask | vt_emask_perl | vt_emask_xim | vt_emask_mouse);
1284 }
1285
1286 #if BG_IMAGE_FROM_ROOT || ENABLE_PERL
1287 void rootwin_cb (XEvent &xev);
1288 xevent_watcher rootwin_ev;
1289 #endif
1290 #ifdef HAVE_BG_PIXMAP
1291 void update_background ();
1292 void update_background_cb (ev::timer &w, int revents);
1293 ev::timer update_background_ev;
1294 #endif
1295
1296 void x_cb (XEvent &xev);
1297 xevent_watcher termwin_ev;
1298 xevent_watcher vt_ev;
1299 xevent_watcher scrollbar_ev;
1300
1301 void child_cb (ev::child &w, int revents); ev::child child_ev;
1302 void destroy_cb (ev::idle &w, int revents); ev::idle destroy_ev;
1303 void refresh_check ();
1304 void flush ();
1305 void flush_cb (ev::timer &w, int revents); ev::timer flush_ev;
1306 void cmdbuf_reify ();
1307 void cmdbuf_append (const char *str, size_t count);
1308 bool pty_fill ();
1309 void pty_cb (ev::io &w, int revents); ev::io pty_ev;
1310
1311 #ifdef CURSOR_BLINK
1312 void cursor_blink_reset ();
1313 void cursor_blink_cb (ev::timer &w, int revents); ev::timer cursor_blink_ev;
1314 #endif
1315 #ifdef TEXT_BLINK
1316 void text_blink_cb (ev::timer &w, int revents); ev::timer text_blink_ev;
1317 #endif
1318 #ifndef NO_BELL
1319 void bell_cb (ev::timer &w, int revents); ev::timer bell_ev;
1320 #endif
1321
1322 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1323 void cont_scroll_cb (ev::timer &w, int revents); ev::timer cont_scroll_ev;
1324 #endif
1325 #ifdef SELECTION_SCROLLING
1326 void sel_scroll_cb (ev::timer &w, int revents); ev::timer sel_scroll_ev;
1327 #endif
1328 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1329 void slip_wheel_cb (ev::timer &w, int revents); ev::timer slip_wheel_ev;
1330 #endif
1331
1332 #ifdef POINTER_BLANK
1333 void pointer_cb (ev::timer &w, int revents); ev::timer pointer_ev;
1334 void pointer_blank ();
1335 #endif
1336 void pointer_unblank ();
1337
1338 void tt_printf (const char *fmt,...);
1339 void tt_write (const char *data, unsigned int len);
1340 void pty_write ();
1341
1342 void make_current () const // make this the "currently active" urxvt instance
1343 {
1344 SET_R (this);
1345 set_environ (envv);
1346 rxvt_set_locale (locale);
1347 }
1348
1349 #if USE_XIM
1350 rxvt_xim *input_method;
1351 XIC Input_Context;
1352 XIMStyle input_style;
1353 XPoint spot; // most recently sent spot position
1354
1355 void im_destroy ();
1356 void im_cb (); im_watcher im_ev;
1357 void im_set_size (XRectangle &size);
1358 void im_set_position (XPoint &pos) NOTHROW;
1359 void im_set_color (unsigned long &fg, unsigned long &bg);
1360 void im_set_preedit_area (XRectangle &preedit_rect, XRectangle &status_rect, const XRectangle &needed_rect);
1361
1362 bool im_is_running ();
1363 void im_send_spot ();
1364 bool im_get_ic (const char *modifiers);
1365 void im_set_position ();
1366 #endif
1367
1368 // command.C
1369 void key_press (XKeyEvent &ev);
1370 void key_release (XKeyEvent &ev);
1371
1372 wchar_t next_char () NOTHROW;
1373 wchar_t cmd_getc () THROW ((class out_of_input));
1374 uint32_t next_octet () NOTHROW;
1375 uint32_t cmd_get8 () THROW ((class out_of_input));
1376
1377 void cmd_parse ();
1378 void mouse_report (XButtonEvent &ev);
1379 void button_press (XButtonEvent &ev);
1380 void button_release (XButtonEvent &ev);
1381 void focus_in ();
1382 void focus_out ();
1383 #if ENABLE_FRILLS
1384 void set_urgency (bool enable);
1385 #else
1386 void set_urgency (bool enable) { }
1387 #endif
1388 void update_fade_color (unsigned int idx);
1389 #ifdef PRINTPIPE
1390 FILE *popen_printer ();
1391 int pclose_printer (FILE *stream);
1392 #endif
1393 void process_print_pipe ();
1394 void process_nonprinting (unicode_t ch);
1395 void process_escape_vt52 (unicode_t ch);
1396 void process_escape_seq ();
1397 void process_csi_seq ();
1398 void process_window_ops (const int *args, unsigned int nargs);
1399 char *get_to_st (unicode_t &ends_how);
1400 void process_dcs_seq ();
1401 void process_osc_seq ();
1402 void process_color_seq (int report, int color, const char *str, char resp);
1403 void process_xterm_seq (int op, char *str, char resp);
1404 int privcases (int mode, unsigned long bit);
1405 void process_terminal_mode (int mode, int priv, unsigned int nargs, const int *arg);
1406 void process_sgr_mode (unsigned int nargs, const int *arg);
1407 // init.C
1408 void init (stringvec *argv, stringvec *envv);
1409 void init (int argc, const char *const *argv, const char *const *envv);
1410 void init2 (int argc, const char *const *argv);
1411 void init_vars ();
1412 const char **init_resources (int argc, const char *const *argv);
1413 void init_env ();
1414 void set_locale (const char *locale);
1415 void init_xlocale ();
1416 void init_command (const char *const *argv);
1417 void run_command (const char *const *argv);
1418 int run_child (const char *const *argv);
1419 void color_aliases (int idx);
1420 void create_windows (int argc, const char *const *argv);
1421 void get_colours ();
1422 void get_ourmods ();
1423 void set_icon (const char *file);
1424 // main.C
1425 void tt_winch ();
1426 rxvt_term ();
1427 ~rxvt_term ();
1428 void destroy ();
1429 void emergency_cleanup ();
1430 void recolour_cursor ();
1431 void resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent);
1432 void window_calc (unsigned int newwidth, unsigned int newheight);
1433 bool set_fonts ();
1434 void set_string_property (Atom prop, const char *str, int len = -1);
1435 void set_mbstring_property (Atom prop, const char *str, int len = -1);
1436 void set_utf8_property (Atom prop, const char *str, int len = -1);
1437 void set_title (const char *str);
1438 void set_icon_name (const char *str);
1439 void set_window_color (int idx, const char *color);
1440 char *get_colorfgbg ();
1441 bool set_color (rxvt_color &color, const char *name);
1442 void alias_color (int dst, int src);
1443 void set_widthheight (unsigned int newwidth, unsigned int newheight);
1444 void get_window_origin (int &x, int &y);
1445
1446 // screen.C
1447
1448 bool option (uint8_t opt) const NOTHROW
1449 {
1450 return options[opt >> 3] & (1 << (opt & 7));
1451 }
1452
1453 void set_option (uint8_t opt, bool set = true) NOTHROW;
1454
1455 int fgcolor_of (rend_t r) const NOTHROW
1456 {
1457 int base = GET_BASEFG (r);
1458 #ifndef NO_BRIGHTCOLOR
1459 if (r & RS_Bold
1460 # if ENABLE_STYLES
1461 && option (Opt_intensityStyles)
1462 # endif
1463 && IN_RANGE_EXC (base, minCOLOR, minBrightCOLOR))
1464 base += minBrightCOLOR - minCOLOR;
1465 #endif
1466 return base;
1467 }
1468
1469 int bgcolor_of (rend_t r) const NOTHROW
1470 {
1471 int base = GET_BASEBG (r);
1472 #ifndef NO_BRIGHTCOLOR
1473 if (r & RS_Blink
1474 # if ENABLE_STYLES
1475 && option (Opt_intensityStyles)
1476 # endif
1477 && IN_RANGE_EXC (base, minCOLOR, minBrightCOLOR))
1478 base += minBrightCOLOR - minCOLOR;
1479 #endif
1480 return base;
1481 }
1482
1483 // modifies first argument(!)
1484 void tt_paste (char *data, unsigned int len) NOTHROW;
1485 void paste (char *data, unsigned int len) NOTHROW;
1486 void scr_alloc () NOTHROW;
1487 void scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const NOTHROW;
1488 void scr_blank_screen_mem (line_t &l, rend_t efs) const NOTHROW;
1489 void scr_kill_char (line_t &l, int col) const NOTHROW;
1490 int scr_scroll_text (int row1, int row2, int count) NOTHROW;
1491 void copy_line (line_t &dst, line_t &src);
1492 void scr_reset ();
1493 void scr_release () NOTHROW;
1494 void scr_clear (bool really = false) NOTHROW;
1495 void scr_refresh () NOTHROW;
1496 bool scr_refresh_rend (rend_t mask, rend_t value) NOTHROW;
1497 void scr_erase_screen (int mode) NOTHROW;
1498 #if ENABLE_FRILLS
1499 void scr_erase_savelines () NOTHROW;
1500 void scr_backindex () NOTHROW;
1501 void scr_forwardindex () NOTHROW;
1502 #endif
1503 void scr_touch (bool refresh) NOTHROW;
1504 void scr_expose (int x, int y, int width, int height, bool refresh) NOTHROW;
1505 void scr_recolour (bool refresh = true) NOTHROW;
1506 void scr_remap_chars () NOTHROW;
1507 void scr_remap_chars (line_t &l) NOTHROW;
1508
1509 enum cursor_mode { SAVE, RESTORE };
1510
1511 void scr_poweron ();
1512 void scr_soft_reset () NOTHROW;
1513 void scr_cursor (cursor_mode mode) NOTHROW;
1514 void scr_do_wrap () NOTHROW;
1515 void scr_swap_screen () NOTHROW;
1516 void scr_change_screen (int scrn);
1517 void scr_color (unsigned int color, int fgbg) NOTHROW;
1518 void scr_rendition (int set, int style) NOTHROW;
1519 void scr_add_lines (const wchar_t *str, int len, int minlines = 0) NOTHROW;
1520 void scr_backspace () NOTHROW;
1521 void scr_tab (int count, bool ht = false) NOTHROW;
1522 void scr_gotorc (int row, int col, int relative) NOTHROW;
1523 void scr_index (enum page_dirn direction) NOTHROW;
1524 void scr_erase_line (int mode) NOTHROW;
1525 void scr_E () NOTHROW;
1526 void scr_insdel_lines (int count, int insdel) NOTHROW;
1527 void scr_insdel_chars (int count, int insdel) NOTHROW;
1528 void scr_scroll_region (int top, int bot) NOTHROW;
1529 void scr_cursor_visible (int mode) NOTHROW;
1530 void scr_autowrap (int mode) NOTHROW;
1531 void scr_relative_origin (int mode) NOTHROW;
1532 void scr_insert_mode (int mode) NOTHROW;
1533 void scr_set_tab (int mode) NOTHROW;
1534 void scr_rvideo_mode (bool on) NOTHROW;
1535 void scr_report_position () NOTHROW;
1536 void set_font_style () NOTHROW;
1537 void scr_charset_choose (int set) NOTHROW;
1538 void scr_charset_set (int set, unsigned int ch) NOTHROW;
1539 void scr_move_to (int y, int len) NOTHROW;
1540 bool scr_page (enum page_dirn direction, int nlines) NOTHROW;
1541 bool scr_changeview (int new_view_start) NOTHROW;
1542 void scr_bell () NOTHROW;
1543 void scr_printscreen (int fullhist) NOTHROW;
1544 void scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) NOTHROW;
1545 void scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) NOTHROW;
1546 void scr_reverse_selection () NOTHROW;
1547 void scr_dump (int fd) NOTHROW;
1548
1549 void selection_check (int check_more) NOTHROW;
1550 void selection_request (Time tm, int selnum = Sel_Primary) NOTHROW;
1551 void selection_clear (bool clipboard = false) NOTHROW;
1552 void selection_make (Time tm);
1553 bool selection_grab (Time tm, bool clipboard = false) NOTHROW;
1554 void selection_start_colrow (int col, int row) NOTHROW;
1555 void selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW;
1556 void selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW;
1557 void selection_remove_trailing_spaces () NOTHROW;
1558 void selection_send (const XSelectionRequestEvent &rq) NOTHROW;
1559 void selection_click (int clicks, int x, int y) NOTHROW;
1560 void selection_extend (int x, int y, int flag) NOTHROW;
1561 void selection_rotate (int x, int y) NOTHROW;
1562
1563 // xdefaults.C
1564 void rxvt_usage (int type);
1565 const char **get_options (int argc, const char *const *argv);
1566 int parse_keysym (const char *str, const char *arg);
1567 const char *x_resource (const char *name);
1568 void extract_resources ();
1569 void extract_keysym_resources ();
1570 };
1571
1572 #endif /* _RXVT_H_ */
1573