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/cvs/rxvt-unicode/src/rxvt.h
Revision: 1.507
Committed: Mon Jun 11 14:45:53 2012 UTC (11 years, 11 months ago) by sf-exg
Content type: text/plain
Branch: MAIN
Changes since 1.506: +2 -2 lines
Log Message:
Do not abort if loading an image with OSC 20 fails.

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