ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/rxvt-unicode/src/rxvt.h
Revision: 1.504
Committed: Thu Jun 7 09:34:51 2012 UTC (12 years ago) by sf-exg
Content type: text/plain
Branch: MAIN
Changes since 1.503: +1 -0 lines
Log Message:
Add a flag to inhibit bg image management in core.

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 defined(BG_IMAGE_FROM_FILE) || defined(ENABLE_TRANSPARENCY)
81 # define HAVE_BG_PIXMAP 1
82 #endif
83
84 #include <ecb.h>
85 #include "encoding.h"
86 #include "rxvtutil.h"
87 #include "rxvtfont.h"
88 #include "rxvttoolkit.h"
89 #include "rxvtimg.h"
90 #include "scrollbar.h"
91 #include "ev_cpp.h"
92 #include "libptytty.h"
93
94 #include "rxvtperl.h"
95
96 // try to avoid some macros to decrease code size, on some systems
97 #if ENABLE_MINIMAL
98 # define strcmp(a,b) (strcmp)(a,b)
99 # define strlen(a) (strlen)(a)
100 # define strcpy(a,b) (strcpy)(a,b)
101 # define memset(a,c,l) (memset)(a,c,l)
102 # define memcpy(a,b,l) (memcpy)(a,b,l)
103 #endif
104
105 /*
106 *****************************************************************************
107 * SYSTEM HACKS
108 *****************************************************************************
109 */
110
111 #include <termios.h>
112
113 #ifndef STDIN_FILENO
114 # define STDIN_FILENO 0
115 # define STDOUT_FILENO 1
116 # define STDERR_FILENO 2
117 #endif
118
119 #ifndef EXIT_SUCCESS /* missing from <stdlib.h> */
120 # define EXIT_SUCCESS 0 /* exit function success */
121 # define EXIT_FAILURE 1 /* exit function failure */
122 #endif
123
124 /****************************************************************************/
125
126 // exception thrown on fatal (per-instance) errors
127 class rxvt_failure_exception { };
128
129 // exception thrown when the command parser runs out of input data
130 class out_of_input { };
131
132 /*
133 *****************************************************************************
134 * PROTOTYPES
135 *****************************************************************************
136 */
137 // main.C
138 #define SET_LOCALE(locale) rxvt_set_locale (locale)
139 extern bool rxvt_set_locale (const char *locale) NOTHROW;
140 extern void rxvt_push_locale (const char *locale) NOTHROW;
141 extern void rxvt_pop_locale () NOTHROW;
142 void rxvt_init ();
143
144 // misc.C
145 char * rxvt_wcstombs (const wchar_t *str, int len = -1);
146 wchar_t * rxvt_mbstowcs (const char *str, int len = -1);
147 char * rxvt_wcstoutf8 (const wchar_t *str, int len = -1);
148 wchar_t * rxvt_utf8towcs (const char *str, int len = -1);
149
150 const char * rxvt_basename (const char *str) NOTHROW;
151 void rxvt_vlog (const char *fmt, va_list arg_ptr) NOTHROW;
152 void rxvt_log (const char *fmt,...) NOTHROW;
153 void rxvt_warn (const char *fmt,...) NOTHROW;
154 void rxvt_fatal (const char *fmt, ...) THROW ((class rxvt_failure_exception)) ecb_noreturn ecb_cold;
155 void rxvt_exit_failure () THROW ((class rxvt_failure_exception)) ecb_noreturn ecb_cold;
156
157 char * rxvt_strtrim (char *str) NOTHROW;
158 char ** rxvt_strsplit (char delim, const char *str) NOTHROW;
159
160 static inline void
161 rxvt_free_strsplit (char **ptr) NOTHROW
162 {
163 free (ptr[0]);
164 free (ptr);
165 }
166
167 void * rxvt_malloc (size_t size);
168 void * rxvt_calloc (size_t number, size_t size);
169 void * rxvt_realloc (void *ptr, size_t size);
170
171 /////////////////////////////////////////////////////////////////////////////
172
173 // temporarily replace the process environment
174 extern char **environ;
175 extern char **rxvt_environ; // the original environ pointer
176
177 static inline void
178 set_environ (stringvec *envv)
179 {
180 #if ENABLE_PERL
181 assert (envv);
182 #else
183 if (envv)
184 #endif
185 environ = (char **)envv->begin ();
186 }
187
188 static inline void
189 set_environ (char **envv)
190 {
191 #if ENABLE_PERL
192 assert (envv);
193 #else
194 if (envv)
195 #endif
196 environ = envv;
197 }
198
199 struct localise_env
200 {
201 char **orig_env;
202
203 localise_env (char **new_env)
204 {
205 orig_env = environ;
206 environ = new_env;
207 }
208
209 ~localise_env ()
210 {
211 environ = orig_env;
212 }
213 };
214
215 #ifdef HAVE_BG_PIXMAP
216 struct image_effects
217 {
218 bool tint_set;
219 rxvt_color tint;
220 int shade;
221 int h_blurRadius, v_blurRadius;
222
223 image_effects ()
224 {
225 tint_set =
226 h_blurRadius =
227 v_blurRadius = 0;
228 shade = 100;
229 }
230
231 bool need_tint ()
232 {
233 return shade != 100 || tint_set;
234 }
235
236 bool need_blur ()
237 {
238 return h_blurRadius && v_blurRadius;
239 }
240
241 bool set_tint (const rxvt_color &new_tint);
242 bool set_shade (const char *shade_str);
243 bool set_blur (const char *geom);
244 };
245
246 # if BG_IMAGE_FROM_FILE
247 enum {
248 IM_IS_SET = 1 << 0,
249 IM_IS_SIZE_SENSITIVE = 1 << 1,
250 IM_KEEP_ASPECT = 1 << 2,
251 IM_ROOT_ALIGN = 1 << 3,
252 IM_TILE = 1 << 4,
253 IM_GEOMETRY_FLAGS = IM_KEEP_ASPECT | IM_ROOT_ALIGN | IM_TILE,
254 };
255
256 enum {
257 noScale = 0,
258 windowScale = 100,
259 defaultScale = windowScale,
260 centerAlign = 50,
261 defaultAlign = centerAlign,
262 };
263
264 struct rxvt_image : image_effects
265 {
266 unsigned short alpha;
267 uint8_t flags;
268 unsigned int h_scale, v_scale; /* percents of the window size */
269 int h_align, v_align; /* percents of the window size:
270 0 - left align, 50 - center, 100 - right */
271
272 bool is_size_sensitive ()
273 {
274 return (!(flags & IM_TILE)
275 || h_scale || v_scale
276 || (!(flags & IM_ROOT_ALIGN) && (h_align || v_align)));
277 }
278
279 # if HAVE_PIXBUF
280 GdkPixbuf *pixbuf;
281
282 void destroy ()
283 {
284 if (pixbuf)
285 g_object_unref (pixbuf);
286 }
287
288 int width ()
289 {
290 return gdk_pixbuf_get_width (pixbuf);
291 }
292 int height ()
293 {
294 return gdk_pixbuf_get_height (pixbuf);
295 }
296 # endif
297
298 rxvt_image ();
299 bool set_file_geometry (const char *file);
300 bool set_file (const char *file);
301 bool set_geometry (const char *geom, bool update = false);
302 };
303 # endif
304 #endif
305
306 /*
307 *****************************************************************************
308 * STRUCTURES AND TYPEDEFS
309 *****************************************************************************
310 */
311
312 /*
313 * the 'essential' information for reporting Mouse Events
314 * pared down from XButtonEvent
315 */
316 struct mouse_event
317 {
318 int clicks;
319 Time time; /* milliseconds */
320 unsigned int state; /* key or button mask */
321 unsigned int button; /* detail */
322 };
323
324 #if ENABLE_XEMBED
325 // XEMBED messages
326 # define XEMBED_EMBEDDED_NOTIFY 0
327 # define XEMBED_WINDOW_ACTIVATE 1
328 # define XEMBED_WINDOW_DEACTIVATE 2
329 # define XEMBED_REQUEST_FOCUS 3
330 # define XEMBED_FOCUS_IN 4
331 # define XEMBED_FOCUS_OUT 5
332 # define XEMBED_FOCUS_NEXT 6
333 # define XEMBED_FOCUS_PREV 7
334
335 # define XEMBED_MODALITY_ON 10
336 # define XEMBED_MODALITY_OFF 11
337 # define XEMBED_REGISTER_ACCELERATOR 12
338 # define XEMBED_UNREGISTER_ACCELERATOR 13
339 # define XEMBED_ACTIVATE_ACCELERATOR 14
340
341 // XEMBED detail code
342 # define XEMBED_FOCUS_CURRENT 0
343 # define XEMBED_FOCUS_FIRST 1
344 # define XEMBED_FOCUS_LAST 2
345
346 # define XEMBED_MAPPED (1 << 0)
347 #endif
348
349 /*
350 *****************************************************************************
351 * NORMAL DEFINES
352 *****************************************************************************
353 */
354
355 /* COLORTERM, TERM environment variables */
356 #define COLORTERMENV "rxvt"
357 #if BG_IMAGE_FROM_FILE
358 # define COLORTERMENVFULL COLORTERMENV "-xpm"
359 #else
360 # define COLORTERMENVFULL COLORTERMENV
361 #endif
362 #ifndef TERMENV
363 # if USE_256_COLORS
364 # define TERMENV "rxvt-unicode-256color"
365 # else
366 # define TERMENV "rxvt-unicode"
367 # endif
368 #endif
369
370 #if defined (NO_MOUSE_REPORT) && !defined (NO_MOUSE_REPORT_SCROLLBAR)
371 # define NO_MOUSE_REPORT_SCROLLBAR 1
372 #endif
373
374 #define scrollBar_esc 30
375
376 #if !defined (RXVT_SCROLLBAR) && !defined (NEXT_SCROLLBAR)
377 # define NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING 1
378 #endif
379
380 enum {
381 NO_REFRESH = 0, /* Window not visible at all! */
382 FAST_REFRESH = 1, /* Fully exposed window */
383 SLOW_REFRESH = 2, /* Partially exposed window */
384 };
385
386 #ifdef NO_SECONDARY_SCREEN
387 # define NSCREENS 0
388 #else
389 # define NSCREENS 1
390 #endif
391
392 /* flags for rxvt_term::scr_gotorc () */
393 enum {
394 C_RELATIVE = 1, /* col movement is relative */
395 R_RELATIVE = 2, /* row movement is relative */
396 RELATIVE = C_RELATIVE | R_RELATIVE,
397 };
398
399 /* modes for rxvt_term::scr_insdel_chars (), rxvt_term::scr_insdel_lines () */
400 enum {
401 INSERT = -1, /* don't change these values */
402 DELETE = +1,
403 ERASE = +2,
404 };
405
406 /* modes for rxvt_term::scr_page () - scroll page. used by scrollbar window */
407 enum page_dirn {
408 UP,
409 DN,
410 NO_DIR,
411 };
412
413 /* arguments for rxvt_term::scr_change_screen () */
414 enum {
415 PRIMARY = 0,
416 SECONDARY,
417 };
418
419 // define various rendition bits and masks. the rendition word
420 // is 32 bits in size, and we should use it as efficiently as possible
421
422 #define RS_None 0
423
424 // GET_BGATTR depends on RS_fgShift > RS_bgShift
425 #define RS_colorMask ((1UL << Color_Bits) - 1UL)
426 #define RS_bgShift 0
427 #define RS_fgShift (RS_bgShift + Color_Bits)
428 #define RS_bgMask (RS_colorMask << RS_bgShift)
429 #define RS_fgMask (RS_colorMask << RS_fgShift)
430
431 // must have space for rxvt_fontset::fontCount * 2 + 2 values
432 #define RS_fontShift (RS_fgShift + Color_Bits)
433 #define RS_Careful (1UL << RS_fontShift) /* be careful when drawing these */
434 #define RS_fontCount rxvt_fontset::fontCount
435 #define RS_fontMask ((RS_fontCount << (RS_fontShift + 1)) | RS_Careful) // includes RS_Careful
436
437 // toggle this to force redraw, must be != RS_Careful and otherwise "pretty neutral"
438 #define RS_redraw (2UL << RS_fontShift)
439
440 #define RS_Sel (1UL << 22)
441
442 // 4 custom bits for extensions
443 #define RS_customCount 16UL
444 #define RS_customShift 23
445 #define RS_customMask ((RS_customCount - 1UL) << RS_customShift)
446
447 // font styles
448 #define RS_Bold (1UL << RS_styleShift)
449 #define RS_Italic (2UL << RS_styleShift)
450
451 #define RS_styleCount 4
452 #define RS_styleShift 27
453 #define RS_styleMask (RS_Bold | RS_Italic)
454
455 // fake styles
456 #define RS_Blink (1UL << 29)
457 #define RS_RVid (1UL << 30) // reverse video
458 #define RS_Uline (1UL << 31) // underline
459
460 #define RS_baseattrMask (RS_Italic | RS_Bold | RS_Blink | RS_RVid | RS_Uline)
461 #define RS_attrMask (RS_baseattrMask | RS_fontMask)
462
463 #define DEFAULT_RSTYLE (RS_None | (Color_fg << RS_fgShift) | (Color_bg << RS_bgShift))
464 #define OVERLAY_RSTYLE (RS_None | (Color_Black << RS_fgShift) | (Color_Yellow << RS_bgShift))
465
466 enum {
467 C0_NUL = 0x00,
468 C0_SOH, C0_STX, C0_ETX, C0_EOT, C0_ENQ, C0_ACK, C0_BEL,
469 C0_BS , C0_HT , C0_LF , C0_VT , C0_FF , C0_CR , C0_SO , C0_SI ,
470 C0_DLE, C0_DC1, C0_DC2, D0_DC3, C0_DC4, C0_NAK, C0_SYN, C0_ETB,
471 C0_CAN, C0_EM , C0_SUB, C0_ESC, C0_IS4, C0_IS3, C0_IS2, C0_IS1,
472 };
473 #define CHAR_ST 0x9c /* 0234 */
474
475 /*
476 * XTerm Operating System Commands: ESC ] Ps;Pt (ST|BEL)
477 * colour extensions by Christian W. Zuckschwerdt <zany@triq.net>
478 */
479 enum {
480 XTerm_name = 0,
481 XTerm_iconName = 1,
482 XTerm_title = 2,
483 XTerm_property = 3, // change X property
484 XTerm_Color = 4, // change colors
485 XTerm_Color00 = 10, // change fg color
486 XTerm_Color01 = 11, // change bg color
487 XTerm_Color_cursor = 12, // change actual 'Cursor' color
488 XTerm_Color_pointer_fg = 13, // change actual 'Pointer' fg color
489 XTerm_Color_pointer_bg = 14, // change actual 'Pointer' bg color
490 XTerm_Color05 = 15, // not implemented (tektronix fg)
491 XTerm_Color06 = 16, // not implemented (tektronix bg)
492 XTerm_Color_HC = 17, // change actual 'Highlight' bg color
493 XTerm_Color_HTC = 19, // change actual 'Highlight' fg color
494 XTerm_logfile = 46, // not implemented
495 XTerm_font = 50,
496
497 XTerm_konsole30 = 30, // reserved for konsole
498 XTerm_konsole31 = 31, // reserved for konsole
499 XTerm_emacs51 = 51, // reserved for emacs shell
500 /*
501 * rxvt extensions of XTerm OSCs: ESC ] Ps;Pt (ST|BEL)
502 */
503
504 // deprecated
505 Rxvt_restoreFG = 39,
506 Rxvt_restoreBG = 49,
507
508 Rxvt_Pixmap = 20, // new bg pixmap
509 Rxvt_dumpscreen = 55, // dump scrollback and all of screen
510
511 URxvt_locale = 701, // change locale
512 URxvt_version = 702, // request version
513
514 URxvt_Color_IT = 704, // change actual 'Italic' colour
515 URxvt_Color_tint = 705, // change actual tint colour
516 URxvt_Color_BD = 706, // change actual 'Bold' color
517 URxvt_Color_UL = 707, // change actual 'Underline' color
518 URxvt_Color_border = 708,
519
520 URxvt_font = 710,
521 URxvt_boldFont = 711,
522 URxvt_italicFont = 712,
523 URxvt_boldItalicFont = 713,
524
525 URxvt_view_up = 720,
526 URxvt_view_down = 721,
527
528 URxvt_perl = 777, // for use by perl extensions, starts with "extension-name;"
529 };
530
531 /* Words starting with `Color_' are colours. Others are counts */
532 /*
533 * The PixColor and rendition colour usage should probably be decoupled
534 * on the unnecessary items, e.g. Color_pointer, but won't bother
535 * until we need to. Also, be aware of usage in pixcolor_set
536 */
537
538 enum colour_list {
539 Color_none = -2,
540 Color_transparent = -1,
541 Color_fg = 0,
542 Color_bg,
543 minCOLOR, /* 2 */
544 Color_Black = minCOLOR,
545 Color_Red3,
546 Color_Green3,
547 Color_Yellow3,
548 Color_Blue3,
549 Color_Magenta3,
550 Color_Cyan3,
551 maxCOLOR, /* minCOLOR + 7 */
552 #ifndef NO_BRIGHTCOLOR
553 Color_AntiqueWhite = maxCOLOR,
554 minBrightCOLOR, /* maxCOLOR + 1 */
555 Color_Grey25 = minBrightCOLOR,
556 Color_Red,
557 Color_Green,
558 Color_Yellow,
559 Color_Blue,
560 Color_Magenta,
561 Color_Cyan,
562 maxBrightCOLOR, /* minBrightCOLOR + 7 */
563 Color_White = maxBrightCOLOR,
564 #else
565 Color_White = maxCOLOR,
566 #endif
567 minTermCOLOR = Color_White + 1,
568 #if USE_256_COLORS
569 maxTermCOLOR = Color_White + 240,
570 #else
571 maxTermCOLOR = Color_White + 72,
572 #endif
573 #ifndef NO_CURSORCOLOR
574 Color_cursor,
575 Color_cursor2,
576 #endif
577 Color_pointer_fg,
578 Color_pointer_bg,
579 Color_border,
580 #ifndef NO_BOLD_UNDERLINE_REVERSE
581 Color_BD,
582 Color_IT,
583 Color_UL,
584 Color_RV,
585 #endif
586 #if ENABLE_FRILLS
587 Color_underline,
588 #endif
589 #ifdef OPTION_HC
590 Color_HC,
591 Color_HTC,
592 #endif
593 Color_scroll,
594 #ifdef RXVT_SCROLLBAR
595 Color_trough,
596 #endif
597 #if ENABLE_TRANSPARENCY
598 Color_tint,
599 #endif
600 #if OFF_FOCUS_FADING
601 Color_fade,
602 #endif
603 NRS_COLORS, /* */
604 #ifdef RXVT_SCROLLBAR
605 Color_topShadow = NRS_COLORS,
606 Color_bottomShadow,
607 TOTAL_COLORS
608 #else
609 TOTAL_COLORS = NRS_COLORS
610 #endif
611 };
612
613 #if USE_256_COLORS
614 # define Color_Bits 9 // 0 .. maxTermCOLOR
615 #else
616 # define Color_Bits 7 // 0 .. maxTermCOLOR
617 #endif
618
619 /*
620 * Resource list
621 */
622 enum {
623 # define def(name) Rs_ ## name,
624 # define reserve(name,count) Rs_ ## name ## _ = Rs_ ## name + (count) - 1,
625 # include "rsinc.h"
626 # undef def
627 # undef reserve
628 NUM_RESOURCES
629 };
630
631 /* DEC private modes */
632 #define PrivMode_132 (1UL<<0)
633 #define PrivMode_132OK (1UL<<1)
634 #define PrivMode_rVideo (1UL<<2)
635 #define PrivMode_relOrigin (1UL<<3)
636 #define PrivMode_Screen (1UL<<4)
637 #define PrivMode_Autowrap (1UL<<5)
638 #define PrivMode_aplCUR (1UL<<6)
639 #define PrivMode_aplKP (1UL<<7)
640 #define PrivMode_HaveBackSpace (1UL<<8)
641 #define PrivMode_BackSpace (1UL<<9)
642 #define PrivMode_ShiftKeys (1UL<<10)
643 #define PrivMode_VisibleCursor (1UL<<11)
644 #define PrivMode_MouseX10 (1UL<<12)
645 #define PrivMode_MouseX11 (1UL<<13)
646 #define PrivMode_scrollBar (1UL<<14)
647 #define PrivMode_TtyOutputInh (1UL<<15)
648 #define PrivMode_Keypress (1UL<<16)
649 #define PrivMode_smoothScroll (1UL<<17)
650 #define PrivMode_vt52 (1UL<<18)
651 #define PrivMode_LFNL (1UL<<19)
652 #define PrivMode_MouseBtnEvent (1UL<<20)
653 #define PrivMode_MouseAnyEvent (1UL<<21)
654 #define PrivMode_BracketPaste (1UL<<22)
655 #define PrivMode_ExtModeMouse (1UL<<23) // xterm pseudo-utf-8 hack
656 #define PrivMode_ExtMouseRight (1UL<<24) // xterm pseudo-utf-8, but works in non-utf-8-locales
657
658 #define PrivMode_mouse_report (PrivMode_MouseX10|PrivMode_MouseX11|PrivMode_MouseBtnEvent|PrivMode_MouseAnyEvent)
659
660 #ifdef ALLOW_132_MODE
661 # define PrivMode_Default (PrivMode_Autowrap|PrivMode_ShiftKeys|PrivMode_VisibleCursor|PrivMode_132OK)
662 #else
663 # define PrivMode_Default (PrivMode_Autowrap|PrivMode_ShiftKeys|PrivMode_VisibleCursor)
664 #endif
665
666 // do not change these constants lightly, there are many interdependencies
667 #define IMBUFSIZ 128 // input modifier buffer sizes
668 #define KBUFSZ 512 // size of keyboard mapping buffer
669 #define CBUFSIZ 2048 // size of command buffer
670 #define CBUFCNT 8 // never call pty_fill/cmd_parse more than this often in a row
671 #define UBUFSIZ 2048 // character buffer
672
673 #if ENABLE_FRILLS
674 # include <X11/Xmd.h>
675 typedef struct _mwmhints
676 {
677 CARD32 flags;
678 CARD32 functions;
679 CARD32 decorations;
680 INT32 input_mode;
681 CARD32 status;
682 } MWMHints;
683 #endif
684
685 /* Motif window hints */
686 #define MWM_HINTS_FUNCTIONS (1L << 0)
687 #define MWM_HINTS_DECORATIONS (1L << 1)
688 #define MWM_HINTS_INPUT_MODE (1L << 2)
689 #define MWM_HINTS_STATUS (1L << 3)
690 /* bit definitions for MwmHints.functions */
691 #define MWM_FUNC_ALL (1L << 0)
692 #define MWM_FUNC_RESIZE (1L << 1)
693 #define MWM_FUNC_MOVE (1L << 2)
694 #define MWM_FUNC_MINIMIZE (1L << 3)
695 #define MWM_FUNC_MAXIMIZE (1L << 4)
696 #define MWM_FUNC_CLOSE (1L << 5)
697 /* bit definitions for MwmHints.decorations */
698 #define MWM_DECOR_ALL (1L << 0)
699 #define MWM_DECOR_BORDER (1L << 1)
700 #define MWM_DECOR_RESIZEH (1L << 2)
701 #define MWM_DECOR_TITLE (1L << 3)
702 #define MWM_DECOR_MENU (1L << 4)
703 #define MWM_DECOR_MINIMIZE (1L << 5)
704 #define MWM_DECOR_MAXIMIZE (1L << 6)
705 /* bit definitions for MwmHints.inputMode */
706 #define MWM_INPUT_MODELESS 0
707 #define MWM_INPUT_PRIMARY_APPLICATION_MODAL 1
708 #define MWM_INPUT_SYSTEM_MODAL 2
709 #define MWM_INPUT_FULL_APPLICATION_MODAL 3
710 #define PROP_MWM_HINTS_ELEMENTS 5
711
712 /*
713 *****************************************************************************
714 * MACRO DEFINES
715 *****************************************************************************
716 */
717
718 // speed hack, copy some member variable into a local variable of the same name
719 #define dLocal(type,name) type const name = this->name
720
721 // for speed reasons, we assume that all codepoints 32 to 126 are
722 // single-width.
723 #define WCWIDTH(c) (IN_RANGE_INC (c, 0x20, 0x7e) ? 1 : wcwidth (c))
724
725 /* convert pixel dimensions to row/column values. Everything as int32_t */
726 #define Pixel2Col(x) Pixel2Width((int32_t)(x))
727 #define Pixel2Row(y) Pixel2Height((int32_t)(y))
728 #define Pixel2Width(x) ((int32_t)(x) / (int32_t)fwidth)
729 #define Pixel2Height(y) ((int32_t)(y) / (int32_t)fheight)
730 #define Col2Pixel(col) ((int32_t)Width2Pixel(col))
731 #define Row2Pixel(row) ((int32_t)Height2Pixel(row))
732 #define Width2Pixel(n) ((int32_t)(n) * (int32_t)fwidth)
733 #define Height2Pixel(n) ((int32_t)(n) * (int32_t)fheight)
734
735 #define LINENO_of(t,n) MOD ((t)->term_start + int(n), (t)->total_rows)
736 #define ROW_of(t,n) (t)->row_buf [LINENO_of ((t), n)]
737
738 #define LINENO(n) LINENO_of (this, n)
739 #define ROW(n) ROW_of (this, n)
740
741 /* how to build & extract colors and attributes */
742 #define GET_BASEFG(x) (((x) & RS_fgMask) >> RS_fgShift)
743 #define GET_BASEBG(x) (((x) & RS_bgMask) >> RS_bgShift)
744
745 #define GET_FONT(x) (((x) & RS_fontMask) >> RS_fontShift)
746 #define SET_FONT(x,fid) (((x) & ~RS_fontMask) | ((fid) << RS_fontShift))
747
748 #define GET_STYLE(x) (((x) & RS_styleMask) >> RS_styleShift)
749 #define SET_STYLE(x,style) (((x) & ~RS_styleMask) | ((style) << RS_styleShift))
750
751 #define GET_ATTR(x) (((x) & RS_attrMask))
752 // return attributes defining the background, encoding doesn't matter
753 // depends on RS_fgShift > RS_bgShift
754 #define GET_BGATTR(x) \
755 (ecb_unlikely ((x) & RS_RVid) \
756 ? (((x) & (RS_attrMask & ~RS_RVid)) \
757 | (((x) & RS_fgMask) >> (RS_fgShift - RS_bgShift))) \
758 : ((x) & (RS_attrMask | RS_bgMask)))
759 #define SET_FGCOLOR(x,fg) (((x) & ~RS_fgMask) | ((fg) << RS_fgShift))
760 #define SET_BGCOLOR(x,bg) (((x) & ~RS_bgMask) | ((bg) << RS_bgShift))
761 #define SET_ATTR(x,a) (((x) & ~RS_attrMask) | (a))
762
763 #define RS_SAME(a,b) (!(((a) ^ (b)) & ~RS_Careful))
764
765 #define PIXCOLOR_NAME(idx) rs[Rs_color + (idx)]
766 #define ISSET_PIXCOLOR(idx) (!!rs[Rs_color + (idx)])
767
768 #if ENABLE_STYLES
769 # define FONTSET_of(t,style) (t)->fontset[GET_STYLE (style)]
770 #else
771 # define FONTSET_of(t,style) (t)->fontset[0]
772 #endif
773
774 #define FONTSET(style) FONTSET_of (this, style)
775
776 typedef callback<void (const char *)> log_callback;
777 typedef callback<int (int)> getfd_callback;
778
779 /****************************************************************************/
780
781 #define LINE_LONGER 0x0001 // line is continued on the next row
782 #define LINE_FILTERED 0x0002 // line has been filtered
783 #define LINE_COMPRESSED 0x0004 // line has been compressed (NYI)
784 #define LINE_FILTER 0x0008 // line needs to be filtered before display (NYI)
785 #define LINE_BIDI 0x0010 // line needs bidi (NYI)
786
787 struct line_t
788 {
789 text_t *t; // terminal the text
790 rend_t *r; // rendition, uses RS_ flags
791 tlen_t_ l; // length of each text line
792 uint32_t f; // flags
793
794 bool valid ()
795 {
796 return l >= 0;
797 }
798
799 void alloc ()
800 {
801 l = 0;
802 }
803
804 bool is_longer ()
805 {
806 return f & LINE_LONGER;
807 }
808
809 void is_longer (int set)
810 {
811 if (set)
812 f |= LINE_LONGER;
813 else
814 f &= ~LINE_LONGER;
815 }
816
817 void clear ()
818 {
819 t = 0;
820 r = 0;
821 l = 0;
822 f = 0;
823 }
824
825 void touch () // call whenever a line is changed/touched/updated
826 {
827 #if ENABLE_PERL
828 f &= ~LINE_FILTERED;
829 #endif
830 }
831
832 void touch (int col)
833 {
834 max_it (l, col);
835 touch ();
836 }
837 };
838
839 /****************************************************************************/
840
841 // primitive wrapper around mbstate_t to ensure initialisation
842 struct mbstate
843 {
844 mbstate_t mbs;
845
846 operator mbstate_t *() { return &mbs; }
847 void reset () { memset (&mbs, 0, sizeof (mbs)); }
848 mbstate () { reset (); }
849 };
850
851 /****************************************************************************/
852
853 #define UNICODE_MASK 0x1fffffUL
854
855 #if UNICODE_3
856 # define COMPOSE_LO 0x40000000UL
857 # define COMPOSE_HI 0x400fffffUL
858 # define IS_COMPOSE(n) ((int32_t)(n) >= COMPOSE_LO)
859 #else
860 # if ENABLE_PERL
861 # define COMPOSE_LO 0xe000UL // our _own_ functions don't like (illegal) surrogates
862 # define COMPOSE_HI 0xf8ffUL // in utf-8, so use private use area only
863 # else
864 # define COMPOSE_LO 0xd800UL
865 # define COMPOSE_HI 0xf8ffUL
866 # endif
867 # define IS_COMPOSE(n) IN_RANGE_INC ((n), COMPOSE_LO, COMPOSE_HI)
868 #endif
869
870 #if ENABLE_COMBINING
871 // compose chars are used to represent composite characters
872 // that are not representable in unicode, as well as characters
873 // not fitting in the BMP.
874 struct compose_char
875 {
876 unicode_t c1, c2; // any chars != NOCHAR are valid
877 #if __cplusplus >= 201103L || ECB_GCC_VERSION(4,4)
878 compose_char () = default;
879 #endif
880 compose_char (unicode_t c1, unicode_t c2)
881 : c1(c1), c2(c2)
882 { }
883 };
884
885 class rxvt_composite_vec
886 {
887 vector<compose_char> v;
888 public:
889 text_t compose (unicode_t c1, unicode_t c2 = NOCHAR);
890 int expand (unicode_t c, wchar_t *r);
891 compose_char *operator [](text_t c)
892 {
893 return c >= COMPOSE_LO && c < COMPOSE_LO + v.size ()
894 ? &v[c - COMPOSE_LO]
895 : 0;
896 }
897 };
898
899 extern class rxvt_composite_vec rxvt_composite;
900 #endif
901
902 /****************************************************************************/
903
904 #ifdef KEYSYM_RESOURCE
905 class keyboard_manager;
906 #endif
907
908 typedef struct rxvt_term *rxvt_t;
909
910 extern rxvt_t rxvt_current_term;
911
912 #define SET_R(r) rxvt_current_term = const_cast<rxvt_term *>(r)
913 #define GET_R rxvt_current_term
914
915 /* ------------------------------------------------------------------------- */
916 struct overlay_base
917 {
918 int x, y, w, h; // overlay dimensions
919 text_t **text;
920 rend_t **rend;
921
922 // while tempting to add swap() etc. here, it effectively only increases code size
923 };
924
925 /* ------------------------------------------------------------------------- */
926
927 typedef struct
928 {
929 int row;
930 int col;
931 } row_col_t;
932
933 /*
934 * terminal limits:
935 *
936 * width : 1 <= width
937 * height : 1 <= height
938 * ncol : 1 <= ncol <= MAX(tlen_t)
939 * nrow : 1 <= nrow <= MAX(int)
940 * saveLines : 0 <= saveLines <= MAX(int)
941 * term_start : 0 <= term_start < saveLines
942 * total_rows : nrow + saveLines
943 *
944 * top_row : -saveLines <= top_row <= 0
945 * view_start : top_row <= view_start <= 0
946 *
947 * | most coordinates are stored relative to term_start,
948 * ROW_BUF | which is the first line of the terminal screen
949 * |························= row_buf[0]
950 * |························= row_buf[1]
951 * |························= row_buf[2] etc.
952 * |
953 * +------------+···········= term_start + top_row
954 * | scrollback |
955 * | scrollback +---------+·= term_start + view_start
956 * | scrollback | display |
957 * | scrollback | display |
958 * +------------+·display·+·= term_start
959 * | terminal | display |
960 * | terminal +---------+
961 * | terminal |
962 * | terminal |
963 * +------------+···········= term_start + nrow - 1
964 * |
965 * |
966 * END······················= total_rows
967 */
968
969 struct TermWin_t
970 {
971 int vt_width; /* actual window width [pixels] */
972 int vt_height; /* actual window height [pixels] */
973 int width; /* window width [pixels] */
974 int height; /* window height [pixels] */
975 int fwidth; /* font width [pixels] */
976 int fheight; /* font height [pixels] */
977 int fbase; /* font ascent (baseline) [pixels] */
978 int ncol; /* window columns [characters] */
979 int nrow; /* window rows [characters] */
980 int focus; /* window has focus */
981 int mapped; /* window state mapped? */
982 int int_bwidth; /* internal border width */
983 int ext_bwidth; /* external border width */
984 int lineSpace; /* number of extra pixels between rows */
985 int letterSpace; /* number of extra pixels between columns */
986 int saveLines; /* number of lines that fit in scrollback */
987 int total_rows; /* total number of rows in this terminal */
988 int term_start; /* term lines start here */
989 int view_start; /* scrollback view starts here */
990 int top_row; /* topmost row index of scrollback */
991 Window parent; /* parent identifier */
992 Window vt; /* vt100 window */
993 GC gc; /* GC for drawing */
994 rxvt_drawable *drawable;
995 rxvt_fontset *fontset[4];
996 };
997
998 /*
999 * screen accounting:
1000 * screen_t elements
1001 * row: Cursor row position : 0 <= row < nrow
1002 * col: Cursor column position : 0 <= col < ncol
1003 * tscroll: Scrolling region top row inclusive : 0 <= row < nrow
1004 * bscroll: Scrolling region bottom row inclusive : 0 <= row < nrow
1005 *
1006 * selection_t elements
1007 * clicks: 1, 2 or 3 clicks - 4 indicates a special condition of 1 where
1008 * nothing is selected
1009 * beg: row/column of beginning of selection : never past mark
1010 * mark: row/column of initial click : never past end
1011 * end: row/column of one character past end of selection
1012 * * Note: top_row <= beg.row <= mark.row <= end.row < nrow
1013 * * Note: col == -1 ==> we're left of screen
1014 *
1015 */
1016 struct screen_t
1017 {
1018 row_col_t cur; /* cursor position on the screen */
1019 int tscroll; /* top of settable scroll region */
1020 int bscroll; /* bottom of settable scroll region */
1021 unsigned int charset; /* character set number [0..3] */
1022 unsigned int flags; /* see below */
1023 row_col_t s_cur; /* saved cursor position */
1024 unsigned int s_charset; /* saved character set number [0..3] */
1025 char s_charset_char;
1026 rend_t s_rstyle; /* saved rendition style */
1027 };
1028
1029 enum selection_op_t
1030 {
1031 SELECTION_CLEAR = 0, /* nothing selected */
1032 SELECTION_INIT, /* marked a point */
1033 SELECTION_BEGIN, /* started a selection */
1034 SELECTION_CONT, /* continued selection */
1035 SELECTION_DONE /* selection put in CUT_BUFFER0 */
1036 };
1037
1038 struct selection_t
1039 {
1040 wchar_t *text; /* selected text */
1041 unsigned int len; /* length of selected text */
1042 unsigned int screen; /* screen being used */
1043 unsigned int clicks; /* number of clicks */
1044 selection_op_t op; /* current operation */
1045 bool rect; /* rectangular selection? */
1046 row_col_t beg; /* beginning of selection <= mark */
1047 row_col_t mark; /* point of initial click <= end */
1048 row_col_t end; /* one character past end point */
1049 wchar_t *clip_text; /* text copied to the clipboard */
1050 unsigned int clip_len; /* length of clipboard text */
1051 };
1052
1053 /* ------------------------------------------------------------------------- */
1054
1055 /* screen_t flags */
1056 #define Screen_Relative (1<<0) /* relative origin mode flag */
1057 #define Screen_VisibleCursor (1<<1) /* cursor visible? */
1058 #define Screen_Autowrap (1<<2) /* auto-wrap flag */
1059 #define Screen_Insert (1<<3) /* insert mode (vs. overstrike) */
1060 #define Screen_WrapNext (1<<4) /* need to wrap for next char? */
1061 #define Screen_DefaultFlags (Screen_VisibleCursor | Screen_Autowrap)
1062
1063 /* rxvt_vars.options */
1064 enum {
1065 # define def(name) Opt_ ## name,
1066 # define nodef(name) Opt_prev_ ## name, Opt_ ## name = 0, Opt_next_ ## name = Opt_prev_ ## name - 1,
1067 Opt_0,
1068 # include "optinc.h"
1069 # undef nodef
1070 # undef def
1071 Opt_count
1072 };
1073
1074 /* ------------------------------------------------------------------------- */
1075
1076 struct rxvt_vars : TermWin_t
1077 {
1078 scrollBar_t scrollBar;
1079 uint8_t options[(Opt_count + 7) >> 3];
1080 XSizeHints szHint;
1081 rxvt_color *pix_colors;
1082 Cursor TermWin_cursor; /* cursor for vt window */
1083
1084 line_t *row_buf; // all lines, scrollback + terminal, circular
1085 line_t *drawn_buf; // text on screen
1086 line_t *swap_buf; // lines for swap buffer
1087 char *tabs; /* per location: 1 == tab-stop */
1088 screen_t screen;
1089 screen_t swap;
1090 selection_t selection;
1091 rxvt_color pix_colors_focused[TOTAL_COLORS];
1092 #ifdef OFF_FOCUS_FADING
1093 rxvt_color pix_colors_unfocused[TOTAL_COLORS];
1094 #endif
1095 };
1096
1097 struct rxvt_term : zero_initialized, rxvt_vars, rxvt_screen
1098 {
1099
1100 // special markers with magic addresses
1101 static const char resval_undef []; // options specifically unset
1102 static const char resval_on []; // boolean options switched on
1103 static const char resval_off []; // or off
1104
1105 log_callback *log_hook; // log error messages through this hook, if != 0
1106 getfd_callback *getfd_hook; // convert remote to local fd, if != 0
1107 #if ENABLE_PERL
1108 rxvt_perl_term perl;
1109 #endif
1110 struct mbstate mbstate; // current input multibyte state
1111
1112 unsigned char want_refresh:1,
1113 current_screen:1, /* primary or secondary */
1114 num_scr_allow:1,
1115 bypass_keystate:1,
1116 #if ENABLE_FRILLS
1117 urgency_hint:1,
1118 #endif
1119 #if CURSOR_BLINK
1120 hidden_cursor:1,
1121 #endif
1122 #if TEXT_BLINK
1123 hidden_text:1,
1124 #endif
1125 #if POINTER_BLANK
1126 hidden_pointer:1,
1127 #endif
1128 enc_utf8:1, /* whether locale uses utf-8 */
1129 seen_input:1, /* whether we have seen some program output yet */
1130 seen_resize:1, /* whether we had a resize event */
1131 init_done:1,
1132 parsed_geometry:1;
1133
1134 unsigned char refresh_type,
1135 #ifdef META8_OPTION
1136 meta_char; /* Alt-key prefix */
1137 #endif
1138 /* ---------- */
1139 bool rvideo_state, rvideo_mode;
1140 #ifndef NO_BELL
1141 bool rvideo_bell;
1142 #endif
1143 int num_scr; /* screen: number of lines scrolled */
1144 int prev_ncol, /* screen: previous number of columns */
1145 prev_nrow; /* screen: previous number of rows */
1146 /* ---------- */
1147 rend_t rstyle;
1148 /* ---------- */
1149 #ifdef SELECTION_SCROLLING
1150 int scroll_selection_lines;
1151 enum page_dirn scroll_selection_dir;
1152 int selection_save_x,
1153 selection_save_y,
1154 selection_save_state;
1155 #endif
1156 /* ---------- */
1157 int csrO, /* Hops - csr offset in thumb/slider to */
1158 /* give proper Scroll behaviour */
1159 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1160 mouse_slip_wheel_speed,
1161 #endif
1162 refresh_count,
1163 window_vt_x,
1164 window_vt_y,
1165 mouse_row,
1166 mouse_col,
1167 # ifdef POINTER_BLANK
1168 pointerBlankDelay,
1169 # endif
1170 allowedxerror;
1171 /* ---------- */
1172 unsigned int ModLevel3Mask,
1173 ModMetaMask,
1174 ModNumLockMask;
1175 unsigned long priv_modes,
1176 SavedModes;
1177 /* ---------- */
1178 Atom *xa;
1179 /* ---------- */
1180 Time selection_time,
1181 clipboard_time;
1182 rxvt_selection *selection_req;
1183 pid_t cmd_pid; /* process id of child */
1184 /* ---------- */
1185 struct mouse_event MEvent;
1186 XComposeStatus compose;
1187 static struct termios def_tio;
1188 row_col_t oldcursor;
1189 #ifdef HAVE_BG_PIXMAP
1190 void bg_init ();
1191 void bg_destroy ();
1192
1193 enum {
1194 BG_IS_VALID = 1 << 0,
1195
1196 BG_IS_TRANSPARENT = 1 << 1,
1197 BG_NEEDS_REFRESH = 1 << 2,
1198 BG_INHIBIT_RENDER = 1 << 3,
1199 };
1200
1201 uint8_t bg_flags;
1202
1203 # if BG_IMAGE_FROM_FILE
1204 rxvt_image fimage;
1205 void get_image_geometry (rxvt_image &image, int &w, int &h, int &x, int &y);
1206 bool render_image (rxvt_image &image);
1207 # endif
1208
1209 # if ENABLE_TRANSPARENCY
1210 Pixmap root_pixmap; /* current root pixmap set */
1211 image_effects root_effects;
1212
1213 void bg_set_transparent ()
1214 {
1215 bg_flags |= BG_IS_TRANSPARENT;
1216 }
1217 void bg_set_root_pixmap ();
1218 bool render_root_image ();
1219 # endif
1220
1221 bool blur_pixmap (Pixmap pixmap, int width, int height, bool argb, int h_blurRadius, int v_blurRadius);
1222 bool tint_pixmap (Pixmap pixmap, int width, int height, bool argb, rxvt_color &tint, bool tint_set, int shade);
1223 void tint_ximage (XImage *ximage, rxvt_color &tint, bool tint_set, int shade);
1224
1225 ev_tstamp bg_valid_since;
1226
1227 Pixmap bg_pixmap;
1228 unsigned int bg_pmap_width, bg_pmap_height;
1229
1230 int target_x;
1231 int target_y;
1232 bool bg_set_position (int x, int y);
1233 bool bg_window_size_sensitive ();
1234 bool bg_window_position_sensitive ();
1235
1236 void bg_render ();
1237 void bg_invalidate ()
1238 {
1239 bg_flags &= ~BG_IS_VALID;
1240 }
1241 #endif
1242 #if HAVE_PIXBUF
1243 bool pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
1244 int src_x, int src_y, int dst_x, int dst_y,
1245 unsigned int width, unsigned int height, bool argb);
1246 #endif
1247
1248 #if ENABLE_OVERLAY
1249 overlay_base ov;
1250
1251 void scr_swap_overlay () NOTHROW;
1252 void scr_overlay_new (int x, int y, int w, int h) NOTHROW;
1253 void scr_overlay_off () NOTHROW;
1254 void scr_overlay_set (int x, int y,
1255 text_t text,
1256 rend_t rend = OVERLAY_RSTYLE) NOTHROW;
1257 void scr_overlay_set (int x, int y, const char *s) NOTHROW;
1258 void scr_overlay_set (int x, int y, const wchar_t *s) NOTHROW;
1259 #endif
1260
1261 vector<void *> allocated; // free these memory blocks with free()
1262
1263 int parent_x, parent_y; // parent window position relative to root, only updated on demand
1264
1265 char *locale;
1266 char charsets[4];
1267 char *v_buffer; /* pointer to physical buffer */
1268 unsigned int v_buflen; /* size of area to write */
1269 stringvec *argv, *envv; /* if != 0, will be freed at destroy time */
1270
1271 #ifdef KEYSYM_RESOURCE
1272 keyboard_manager *keyboard;
1273 #endif
1274 #ifndef NO_RESOURCES
1275 XrmDatabase option_db;
1276 #endif
1277
1278 const char *rs[NUM_RESOURCES];
1279 /* command input buffering */
1280 char *cmdbuf_ptr, *cmdbuf_endp;
1281 char cmdbuf_base[CBUFSIZ];
1282
1283 ptytty *pty;
1284
1285 // chunk contains all line_t's as well as rend_t and text_t buffers
1286 // for drawn_buf, swap_buf and row_buf, in this order
1287 void *chunk;
1288 size_t chunk_size;
1289
1290 static vector<rxvt_term *> termlist; // a vector of all running rxvt_term's
1291
1292 #if ENABLE_FRILLS || ISO_14755
1293 // ISO 14755 entry support
1294 unicode_t iso14755buf;
1295 void commit_iso14755 ();
1296 # if ISO_14755
1297 void iso14755_51 (unicode_t ch, rend_t r = DEFAULT_RSTYLE, int x = 0, int y = -1, int y2 = -1);
1298 void iso14755_54 (int x, int y);
1299 # endif
1300 #endif
1301
1302 long vt_emask, vt_emask_perl, vt_emask_xim, vt_emask_mouse;
1303
1304 void vt_select_input () const NOTHROW
1305 {
1306 XSelectInput (dpy, vt, vt_emask | vt_emask_perl | vt_emask_xim | vt_emask_mouse);
1307 }
1308
1309 #if ENABLE_TRANSPARENCY || ENABLE_PERL
1310 void rootwin_cb (XEvent &xev);
1311 xevent_watcher rootwin_ev;
1312 #endif
1313 #ifdef HAVE_BG_PIXMAP
1314 void update_background ();
1315 void update_background_cb (ev::timer &w, int revents);
1316 ev::timer update_background_ev;
1317 #endif
1318
1319 void x_cb (XEvent &xev);
1320 xevent_watcher termwin_ev;
1321 xevent_watcher vt_ev;
1322 xevent_watcher scrollbar_ev;
1323
1324 void child_cb (ev::child &w, int revents); ev::child child_ev;
1325 void destroy_cb (ev::idle &w, int revents); ev::idle destroy_ev;
1326 void refresh_check ();
1327 void flush ();
1328 void flush_cb (ev::timer &w, int revents); ev::timer flush_ev;
1329 void cmdbuf_reify ();
1330 void cmdbuf_append (const char *str, size_t count);
1331 bool pty_fill ();
1332 void pty_cb (ev::io &w, int revents); ev::io pty_ev;
1333
1334 #ifdef CURSOR_BLINK
1335 void cursor_blink_reset ();
1336 void cursor_blink_cb (ev::timer &w, int revents); ev::timer cursor_blink_ev;
1337 #endif
1338 #ifdef TEXT_BLINK
1339 void text_blink_cb (ev::timer &w, int revents); ev::timer text_blink_ev;
1340 #endif
1341 #ifndef NO_BELL
1342 void bell_cb (ev::timer &w, int revents); ev::timer bell_ev;
1343 #endif
1344
1345 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1346 void cont_scroll_cb (ev::timer &w, int revents); ev::timer cont_scroll_ev;
1347 #endif
1348 #ifdef SELECTION_SCROLLING
1349 void sel_scroll_cb (ev::timer &w, int revents); ev::timer sel_scroll_ev;
1350 #endif
1351 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1352 void slip_wheel_cb (ev::timer &w, int revents); ev::timer slip_wheel_ev;
1353 #endif
1354
1355 #ifdef POINTER_BLANK
1356 void pointer_cb (ev::timer &w, int revents); ev::timer pointer_ev;
1357 void pointer_blank ();
1358 #endif
1359 void pointer_unblank ();
1360
1361 void tt_printf (const char *fmt,...);
1362 void tt_write (const char *data, unsigned int len);
1363 void pty_write ();
1364
1365 void make_current () const // make this the "currently active" urxvt instance
1366 {
1367 SET_R (this);
1368 set_environ (envv);
1369 rxvt_set_locale (locale);
1370 }
1371
1372 #if USE_XIM
1373 rxvt_xim *input_method;
1374 XIC Input_Context;
1375 XIMStyle input_style;
1376 XPoint spot; // most recently sent spot position
1377
1378 void im_destroy ();
1379 void im_cb (); im_watcher im_ev;
1380 void im_set_size (XRectangle &size);
1381 void im_set_position (XPoint &pos) NOTHROW;
1382 void im_set_color (unsigned long &fg, unsigned long &bg);
1383 void im_set_preedit_area (XRectangle &preedit_rect, XRectangle &status_rect, const XRectangle &needed_rect);
1384
1385 bool im_is_running ();
1386 void im_send_spot ();
1387 bool im_get_ic (const char *modifiers);
1388 void im_set_position ();
1389 #endif
1390
1391 // command.C
1392 void key_press (XKeyEvent &ev);
1393 void key_release (XKeyEvent &ev);
1394
1395 wchar_t next_char () NOTHROW;
1396 wchar_t cmd_getc () THROW ((class out_of_input));
1397 uint32_t next_octet () NOTHROW;
1398 uint32_t cmd_get8 () THROW ((class out_of_input));
1399
1400 void cmd_parse ();
1401 void mouse_report (XButtonEvent &ev);
1402 void button_press (XButtonEvent &ev);
1403 void button_release (XButtonEvent &ev);
1404 void focus_in ();
1405 void focus_out ();
1406 #if ENABLE_FRILLS
1407 void set_urgency (bool enable);
1408 #else
1409 void set_urgency (bool enable) { }
1410 #endif
1411 void update_fade_color (unsigned int idx);
1412 #ifdef PRINTPIPE
1413 FILE *popen_printer ();
1414 int pclose_printer (FILE *stream);
1415 #endif
1416 void process_print_pipe ();
1417 void process_nonprinting (unicode_t ch);
1418 void process_escape_vt52 (unicode_t ch);
1419 void process_escape_seq ();
1420 void process_csi_seq ();
1421 void process_window_ops (const int *args, unsigned int nargs);
1422 char *get_to_st (unicode_t &ends_how);
1423 void process_dcs_seq ();
1424 void process_osc_seq ();
1425 void process_color_seq (int report, int color, const char *str, char resp);
1426 void process_xterm_seq (int op, char *str, char resp);
1427 int privcases (int mode, unsigned long bit);
1428 void process_terminal_mode (int mode, int priv, unsigned int nargs, const int *arg);
1429 void process_sgr_mode (unsigned int nargs, const int *arg);
1430 // init.C
1431 void init (stringvec *argv, stringvec *envv);
1432 void init (int argc, const char *const *argv, const char *const *envv);
1433 void init2 (int argc, const char *const *argv);
1434 void init_vars ();
1435 const char **init_resources (int argc, const char *const *argv);
1436 void init_env ();
1437 void set_locale (const char *locale);
1438 void init_xlocale ();
1439 void init_command (const char *const *argv);
1440 void run_command (const char *const *argv);
1441 int run_child (const char *const *argv);
1442 void color_aliases (int idx);
1443 void create_windows (int argc, const char *const *argv);
1444 void get_colours ();
1445 void get_ourmods ();
1446 void set_icon (const char *file);
1447 // main.C
1448 void tt_winch ();
1449 rxvt_term ();
1450 ~rxvt_term ();
1451 void destroy ();
1452 void emergency_cleanup ();
1453 void recolour_cursor ();
1454 void resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent);
1455 void window_calc (unsigned int newwidth, unsigned int newheight);
1456 bool set_fonts ();
1457 void set_string_property (Atom prop, const char *str, int len = -1);
1458 void set_mbstring_property (Atom prop, const char *str, int len = -1);
1459 void set_utf8_property (Atom prop, const char *str, int len = -1);
1460 void set_title (const char *str);
1461 void set_icon_name (const char *str);
1462 void set_window_color (int idx, const char *color);
1463 char *get_colorfgbg ();
1464 bool set_color (rxvt_color &color, const char *name);
1465 void alias_color (int dst, int src);
1466 void set_widthheight (unsigned int newwidth, unsigned int newheight);
1467 void get_window_origin (int &x, int &y);
1468
1469 // screen.C
1470
1471 int fgcolor_of (rend_t r) const NOTHROW
1472 {
1473 int base = GET_BASEFG (r);
1474 #ifndef NO_BRIGHTCOLOR
1475 if (r & RS_Bold
1476 # if ENABLE_STYLES
1477 && option (Opt_intensityStyles)
1478 # endif
1479 && IN_RANGE_EXC (base, minCOLOR, minBrightCOLOR))
1480 base += minBrightCOLOR - minCOLOR;
1481 #endif
1482 return base;
1483 }
1484
1485 int bgcolor_of (rend_t r) const NOTHROW
1486 {
1487 int base = GET_BASEBG (r);
1488 #ifndef NO_BRIGHTCOLOR
1489 if (r & RS_Blink
1490 # if ENABLE_STYLES
1491 && option (Opt_intensityStyles)
1492 # endif
1493 && IN_RANGE_EXC (base, minCOLOR, minBrightCOLOR))
1494 base += minBrightCOLOR - minCOLOR;
1495 #endif
1496 return base;
1497 }
1498
1499 bool option (uint8_t opt) const NOTHROW
1500 {
1501 return options[opt >> 3] & (1 << (opt & 7));
1502 }
1503
1504 void set_option (uint8_t opt, bool set = true) NOTHROW;
1505
1506 // modifies first argument(!)
1507 void tt_paste (char *data, unsigned int len) NOTHROW;
1508 void paste (char *data, unsigned int len) NOTHROW;
1509 void scr_alloc () NOTHROW;
1510 void scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const NOTHROW;
1511 void scr_blank_screen_mem (line_t &l, rend_t efs) const NOTHROW;
1512 void scr_kill_char (line_t &l, int col) const NOTHROW;
1513 int scr_scroll_text (int row1, int row2, int count) NOTHROW;
1514 void scr_reset ();
1515 void scr_release () NOTHROW;
1516 void scr_clear (bool really = false) NOTHROW;
1517 void scr_refresh () NOTHROW;
1518 bool scr_refresh_rend (rend_t mask, rend_t value) NOTHROW;
1519 void scr_erase_screen (int mode) NOTHROW;
1520 #if ENABLE_FRILLS
1521 void scr_erase_savelines () NOTHROW;
1522 void scr_backindex () NOTHROW;
1523 void scr_forwardindex () NOTHROW;
1524 #endif
1525 void scr_touch (bool refresh) NOTHROW;
1526 void scr_expose (int x, int y, int width, int height, bool refresh) NOTHROW;
1527 void scr_recolour (bool refresh = true) NOTHROW;
1528 void scr_remap_chars () NOTHROW;
1529 void scr_remap_chars (line_t &l) NOTHROW;
1530
1531 enum cursor_mode { SAVE, RESTORE };
1532
1533 void scr_poweron ();
1534 void scr_soft_reset () NOTHROW;
1535 void scr_cursor (cursor_mode mode) NOTHROW;
1536 void scr_do_wrap () NOTHROW;
1537 void scr_swap_screen () NOTHROW;
1538 void scr_change_screen (int scrn);
1539 void scr_color (unsigned int color, int fgbg) NOTHROW;
1540 void scr_rendition (int set, int style) NOTHROW;
1541 void scr_add_lines (const wchar_t *str, int len, int minlines = 0) NOTHROW;
1542 void scr_backspace () NOTHROW;
1543 void scr_tab (int count, bool ht = false) NOTHROW;
1544 void scr_gotorc (int row, int col, int relative) NOTHROW;
1545 void scr_index (enum page_dirn direction) NOTHROW;
1546 void scr_erase_line (int mode) NOTHROW;
1547 void scr_E () NOTHROW;
1548 void scr_insdel_lines (int count, int insdel) NOTHROW;
1549 void scr_insdel_chars (int count, int insdel) NOTHROW;
1550 void scr_scroll_region (int top, int bot) NOTHROW;
1551 void scr_cursor_visible (int mode) NOTHROW;
1552 void scr_autowrap (int mode) NOTHROW;
1553 void scr_relative_origin (int mode) NOTHROW;
1554 void scr_insert_mode (int mode) NOTHROW;
1555 void scr_set_tab (int mode) NOTHROW;
1556 void scr_rvideo_mode (bool on) NOTHROW;
1557 void scr_report_position () NOTHROW;
1558 void set_font_style () NOTHROW;
1559 void scr_charset_choose (int set) NOTHROW;
1560 void scr_charset_set (int set, unsigned int ch) NOTHROW;
1561 void scr_move_to (int y, int len) NOTHROW;
1562 bool scr_page (enum page_dirn direction, int nlines) NOTHROW;
1563 bool scr_changeview (int new_view_start) NOTHROW;
1564 void scr_bell () NOTHROW;
1565 void scr_printscreen (int fullhist) NOTHROW;
1566 void scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) NOTHROW;
1567 void scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) NOTHROW;
1568 void scr_reverse_selection () NOTHROW;
1569 void scr_dump (int fd) NOTHROW;
1570
1571 void selection_check (int check_more) NOTHROW;
1572 void selection_request (Time tm, int selnum = Sel_Primary) NOTHROW;
1573 void selection_clear (bool clipboard = false) NOTHROW;
1574 void selection_make (Time tm);
1575 bool selection_grab (Time tm, bool clipboard = false) NOTHROW;
1576 void selection_start_colrow (int col, int row) NOTHROW;
1577 void selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW;
1578 void selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW;
1579 void selection_remove_trailing_spaces () NOTHROW;
1580 void selection_send (const XSelectionRequestEvent &rq) NOTHROW;
1581 void selection_click (int clicks, int x, int y) NOTHROW;
1582 void selection_extend (int x, int y, int flag) NOTHROW;
1583 void selection_rotate (int x, int y) NOTHROW;
1584
1585 // xdefaults.C
1586 void rxvt_usage (int type);
1587 const char **get_options (int argc, const char *const *argv);
1588 int parse_keysym (const char *str, const char *arg);
1589 const char *x_resource (const char *name);
1590 void extract_resources ();
1591 void extract_keysym_resources ();
1592 void find_resources (const char *n_prefix, const char *c_prefix, int mode,
1593 Bool (*proc)(XrmDatabase *, XrmBindingList, XrmQuarkList, XrmRepresentation *, XrmValue *, XPointer));
1594 bool parse_bool_resource (const char *str)
1595 {
1596 return (!strcasecmp (str, "TRUE")
1597 || !strcasecmp (str, "YES")
1598 || !strcasecmp (str, "ON")
1599 || !strcasecmp (str, "1"));
1600 }
1601 };
1602
1603 #endif /* _RXVT_H_ */
1604