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/cvs/cvsroot/rxvt-unicode/src/rxvt.h
Revision: 1.480
Committed: Sat May 19 13:07:25 2012 UTC (12 years, 1 month ago) by sf-exg
Content type: text/plain
Branch: MAIN
Changes since 1.479: +2 -7 lines
Log Message:
Simplify.

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 #endif
51
52 #if ENABLE_PERL
53 # define ENABLE_FRILLS 1
54 # define ENABLE_COMBINING 1
55 #endif
56
57 #if ENABLE_FRILLS
58 # define ENABLE_XEMBED 1
59 # define ENABLE_EWMH 1
60 # define ENABLE_XIM_ONTHESPOT 1
61 # define CURSOR_BLINK 1
62 # define OPTION_HC 1
63 # define BUILTIN_GLYPHS 1
64 #else
65 # define ENABLE_MINIMAL 1
66 #endif
67
68 #include <limits.h>
69
70 #include <X11/cursorfont.h>
71 #include <X11/keysym.h>
72 #include <X11/keysymdef.h>
73 #include <X11/Xatom.h>
74
75 #ifdef HAVE_PIXBUF
76 # include <gdk-pixbuf/gdk-pixbuf.h>
77 #endif
78
79 #if defined(BG_IMAGE_FROM_FILE) || defined(ENABLE_TRANSPARENCY)
80 # define HAVE_BG_PIXMAP 1
81 #endif
82
83 #include <ecb.h>
84 #include "encoding.h"
85 #include "rxvtutil.h"
86 #include "rxvtfont.h"
87 #include "rxvttoolkit.h"
88 #include "scrollbar.h"
89 #include "ev_cpp.h"
90 #include "salloc.h"
91 #include "libptytty.h"
92
93 #include "rxvtperl.h"
94
95 // try to avoid some macros to decrease code size, on some systems
96 #if ENABLE_MINIMAL
97 # define strcmp(a,b) (strcmp)(a,b)
98 # define strlen(a) (strlen)(a)
99 # define strcpy(a,b) (strcpy)(a,b)
100 # define memset(a,c,l) (memset)(a,c,l)
101 # define memcpy(a,b,l) (memcpy)(a,b,l)
102 #endif
103
104 /*
105 *****************************************************************************
106 * SYSTEM HACKS
107 *****************************************************************************
108 */
109
110 #include <termios.h>
111
112 #ifndef STDIN_FILENO
113 # define STDIN_FILENO 0
114 # define STDOUT_FILENO 1
115 # define STDERR_FILENO 2
116 #endif
117
118 #ifndef EXIT_SUCCESS /* missing from <stdlib.h> */
119 # define EXIT_SUCCESS 0 /* exit function success */
120 # define EXIT_FAILURE 1 /* exit function failure */
121 #endif
122
123 /****************************************************************************/
124
125 // exception thrown on fatal (per-instance) errors
126 class rxvt_failure_exception { };
127
128 // exception thrown when the command parser runs out of input data
129 class out_of_input { };
130
131 /*
132 *****************************************************************************
133 * PROTOTYPES
134 *****************************************************************************
135 */
136 // main.C
137 #define SET_LOCALE(locale) rxvt_set_locale (locale)
138 extern bool rxvt_set_locale (const char *locale) NOTHROW;
139 extern void rxvt_push_locale (const char *locale) NOTHROW;
140 extern void rxvt_pop_locale () NOTHROW;
141 void rxvt_init ();
142
143 // misc.C
144 char * rxvt_wcstombs (const wchar_t *str, int len = -1);
145 wchar_t * rxvt_mbstowcs (const char *str, int len = -1);
146 char * rxvt_wcstoutf8 (const wchar_t *str, int len = -1);
147 wchar_t * rxvt_utf8towcs (const char *str, int len = -1);
148
149 const char * rxvt_basename (const char *str) NOTHROW;
150 void rxvt_vlog (const char *fmt, va_list arg_ptr) NOTHROW;
151 void rxvt_log (const char *fmt,...) NOTHROW;
152 void rxvt_warn (const char *fmt,...) NOTHROW;
153 void rxvt_fatal (const char *fmt, ...) THROW ((class rxvt_failure_exception)) ecb_noreturn;
154 void rxvt_exit_failure () THROW ((class rxvt_failure_exception)) ecb_noreturn;
155
156 char * rxvt_strtrim (char *str) NOTHROW;
157 char ** rxvt_strsplit (char delim, const char *str) NOTHROW;
158
159 static inline void
160 rxvt_free_strsplit (char **ptr) NOTHROW
161 {
162 free (ptr[0]);
163 free (ptr);
164 }
165
166 void * rxvt_malloc (size_t size);
167 void * rxvt_calloc (size_t number, size_t size);
168 void * rxvt_realloc (void *ptr, size_t size);
169
170 /////////////////////////////////////////////////////////////////////////////
171
172 // temporarily replace the process environment
173 extern char **environ;
174 extern char **rxvt_environ; // the original environ pointer
175
176 static inline void
177 set_environ (stringvec *envv)
178 {
179 #if ENABLE_PERL
180 assert (envv);
181 #else
182 if (envv)
183 #endif
184 environ = (char **)envv->begin ();
185 }
186
187 static inline void
188 set_environ (char **envv)
189 {
190 #if ENABLE_PERL
191 assert (envv);
192 #else
193 if (envv)
194 #endif
195 environ = envv;
196 }
197
198 struct localise_env
199 {
200 char **orig_env;
201
202 localise_env (char **new_env)
203 {
204 orig_env = environ;
205 environ = new_env;
206 }
207
208 ~localise_env ()
209 {
210 environ = orig_env;
211 }
212 };
213
214 #ifdef HAVE_BG_PIXMAP
215 # ifdef BG_IMAGE_FROM_FILE
216 enum {
217 IM_IS_SET = 1 << 0,
218 IM_IS_SIZE_SENSITIVE = 1 << 1,
219 IM_KEEP_ASPECT = 1 << 2,
220 IM_ROOT_ALIGN = 1 << 3,
221 IM_TILE = 1 << 4,
222 IM_GEOMETRY_FLAGS = IM_KEEP_ASPECT | IM_ROOT_ALIGN | IM_TILE,
223 };
224
225 enum {
226 noScale = 0,
227 windowScale = 100,
228 defaultScale = windowScale,
229 centerAlign = 50,
230 defaultAlign = centerAlign,
231 };
232
233 struct rxvt_image
234 {
235 uint8_t flags;
236 unsigned int h_scale, v_scale; /* percents of the window size */
237 int h_align, v_align; /* percents of the window size:
238 0 - left align, 50 - center, 100 - right */
239
240 # ifdef HAVE_PIXBUF
241 GdkPixbuf *pixbuf;
242
243 ~rxvt_image ()
244 {
245 if (pixbuf)
246 g_object_unref (pixbuf);
247 }
248
249 int width ()
250 {
251 return gdk_pixbuf_get_width (pixbuf);
252 }
253 int height ()
254 {
255 return gdk_pixbuf_get_height (pixbuf);
256 }
257 # endif
258
259 bool set_file (const char *file);
260 bool set_geometry (const char *geom, bool update = false);
261 void set_default_geometry ()
262 {
263 h_scale = v_scale = defaultScale;
264 h_align = v_align = defaultAlign;
265 flags |= IM_IS_SIZE_SENSITIVE;
266 }
267 };
268 # endif
269 #endif
270
271 /*
272 *****************************************************************************
273 * STRUCTURES AND TYPEDEFS
274 *****************************************************************************
275 */
276
277 /*
278 * the 'essential' information for reporting Mouse Events
279 * pared down from XButtonEvent
280 */
281 struct mouse_event
282 {
283 int clicks;
284 Time time; /* milliseconds */
285 unsigned int state; /* key or button mask */
286 unsigned int button; /* detail */
287 };
288
289 #if ENABLE_XEMBED
290 // XEMBED messages
291 # define XEMBED_EMBEDDED_NOTIFY 0
292 # define XEMBED_WINDOW_ACTIVATE 1
293 # define XEMBED_WINDOW_DEACTIVATE 2
294 # define XEMBED_REQUEST_FOCUS 3
295 # define XEMBED_FOCUS_IN 4
296 # define XEMBED_FOCUS_OUT 5
297 # define XEMBED_FOCUS_NEXT 6
298 # define XEMBED_FOCUS_PREV 7
299
300 # define XEMBED_MODALITY_ON 10
301 # define XEMBED_MODALITY_OFF 11
302 # define XEMBED_REGISTER_ACCELERATOR 12
303 # define XEMBED_UNREGISTER_ACCELERATOR 13
304 # define XEMBED_ACTIVATE_ACCELERATOR 14
305
306 // XEMBED detail code
307 # define XEMBED_FOCUS_CURRENT 0
308 # define XEMBED_FOCUS_FIRST 1
309 # define XEMBED_FOCUS_LAST 2
310
311 # define XEMBED_MAPPED (1 << 0)
312 #endif
313
314 /*
315 *****************************************************************************
316 * NORMAL DEFINES
317 *****************************************************************************
318 */
319
320 /* COLORTERM, TERM environment variables */
321 #define COLORTERMENV "rxvt"
322 #ifdef BG_IMAGE_FROM_FILE
323 # define COLORTERMENVFULL COLORTERMENV "-xpm"
324 #else
325 # define COLORTERMENVFULL COLORTERMENV
326 #endif
327 #ifndef TERMENV
328 # if USE_256_COLORS
329 # define TERMENV "rxvt-unicode-256color"
330 # else
331 # define TERMENV "rxvt-unicode"
332 # endif
333 #endif
334
335 #if defined (NO_MOUSE_REPORT) && !defined (NO_MOUSE_REPORT_SCROLLBAR)
336 # define NO_MOUSE_REPORT_SCROLLBAR 1
337 #endif
338
339 #define scrollBar_esc 30
340
341 #if !defined (RXVT_SCROLLBAR) && !defined (NEXT_SCROLLBAR)
342 # define NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING 1
343 #endif
344
345 enum {
346 NO_REFRESH = 0, /* Window not visible at all! */
347 FAST_REFRESH = 1, /* Fully exposed window */
348 SLOW_REFRESH = 2, /* Partially exposed window */
349 };
350
351 #ifdef NO_SECONDARY_SCREEN
352 # define NSCREENS 0
353 #else
354 # define NSCREENS 1
355 #endif
356
357 /* flags for rxvt_term::scr_gotorc () */
358 enum {
359 C_RELATIVE = 1, /* col movement is relative */
360 R_RELATIVE = 2, /* row movement is relative */
361 RELATIVE = C_RELATIVE | R_RELATIVE,
362 };
363
364 /* modes for rxvt_term::scr_insdel_chars (), rxvt_term::scr_insdel_lines () */
365 enum {
366 INSERT = -1, /* don't change these values */
367 DELETE = +1,
368 ERASE = +2,
369 };
370
371 /* modes for rxvt_term::scr_page () - scroll page. used by scrollbar window */
372 enum page_dirn {
373 UP,
374 DN,
375 NO_DIR,
376 };
377
378 /* arguments for rxvt_term::scr_change_screen () */
379 enum {
380 PRIMARY = 0,
381 SECONDARY,
382 };
383
384 // define various rendition bits and masks. the rendition word
385 // is 32 bits in size, and we should use it as efficiently as possible
386
387 #define RS_None 0
388
389 // GET_BGATTR depends on RS_fgShift > RS_bgShift
390 #define RS_colorMask ((1UL << Color_Bits) - 1UL)
391 #define RS_bgShift 0
392 #define RS_fgShift (RS_bgShift + Color_Bits)
393 #define RS_bgMask (RS_colorMask << RS_bgShift)
394 #define RS_fgMask (RS_colorMask << RS_fgShift)
395
396 // must have space for rxvt_fontset::fontCount * 2 + 2 values
397 #define RS_fontShift (RS_fgShift + Color_Bits)
398 #define RS_Careful (1UL << RS_fontShift) /* be careful when drawing these */
399 #define RS_fontCount rxvt_fontset::fontCount
400 #define RS_fontMask ((RS_fontCount << (RS_fontShift + 1)) | RS_Careful) // includes RS_Careful
401
402 // toggle this to force redraw, must be != RS_Careful and otherwise "pretty neutral"
403 #define RS_redraw (2UL << RS_fontShift)
404
405 #define RS_Sel (1UL << 22)
406
407 // 4 custom bits for extensions
408 #define RS_customCount 16UL
409 #define RS_customShift 23
410 #define RS_customMask ((RS_customCount - 1UL) << RS_customShift)
411
412 // font styles
413 #define RS_Bold (1UL << RS_styleShift)
414 #define RS_Italic (2UL << RS_styleShift)
415
416 #define RS_styleCount 4
417 #define RS_styleShift 27
418 #define RS_styleMask (RS_Bold | RS_Italic)
419
420 // fake styles
421 #define RS_Blink (1UL << 29)
422 #define RS_RVid (1UL << 30) // reverse video
423 #define RS_Uline (1UL << 31) // underline
424
425 #define RS_baseattrMask (RS_Italic | RS_Bold | RS_Blink | RS_RVid | RS_Uline)
426 #define RS_attrMask (RS_baseattrMask | RS_fontMask)
427
428 #define DEFAULT_RSTYLE (RS_None | (Color_fg << RS_fgShift) | (Color_bg << RS_bgShift))
429 #define OVERLAY_RSTYLE (RS_None | (Color_Black << RS_fgShift) | (Color_Yellow << RS_bgShift))
430
431 enum {
432 C0_NUL = 0x00,
433 C0_SOH, C0_STX, C0_ETX, C0_EOT, C0_ENQ, C0_ACK, C0_BEL,
434 C0_BS , C0_HT , C0_LF , C0_VT , C0_FF , C0_CR , C0_SO , C0_SI ,
435 C0_DLE, C0_DC1, C0_DC2, D0_DC3, C0_DC4, C0_NAK, C0_SYN, C0_ETB,
436 C0_CAN, C0_EM , C0_SUB, C0_ESC, C0_IS4, C0_IS3, C0_IS2, C0_IS1,
437 };
438 #define CHAR_ST 0x9c /* 0234 */
439
440 /*
441 * XTerm Operating System Commands: ESC ] Ps;Pt (ST|BEL)
442 * colour extensions by Christian W. Zuckschwerdt <zany@triq.net>
443 */
444 enum {
445 XTerm_name = 0,
446 XTerm_iconName = 1,
447 XTerm_title = 2,
448 XTerm_property = 3, // change X property
449 XTerm_Color = 4, // change colors
450 XTerm_Color00 = 10, // change fg color
451 XTerm_Color01 = 11, // change bg color
452 XTerm_Color_cursor = 12, // change actual 'Cursor' color
453 XTerm_Color_pointer_fg = 13, // change actual 'Pointer' fg color
454 XTerm_Color_pointer_bg = 14, // change actual 'Pointer' bg color
455 XTerm_Color05 = 15, // not implemented (tektronix fg)
456 XTerm_Color06 = 16, // not implemented (tektronix bg)
457 XTerm_Color_HC = 17, // change actual 'Highlight' bg color
458 XTerm_Color_HTC = 19, // change actual 'Highlight' fg color
459 XTerm_logfile = 46, // not implemented
460 XTerm_font = 50,
461
462 XTerm_konsole30 = 30, // reserved for konsole
463 XTerm_konsole31 = 31, // reserved for konsole
464 XTerm_emacs51 = 51, // reserved for emacs shell
465 /*
466 * rxvt extensions of XTerm OSCs: ESC ] Ps;Pt (ST|BEL)
467 */
468
469 // deprecated
470 Rxvt_restoreFG = 39,
471 Rxvt_restoreBG = 49,
472
473 Rxvt_Pixmap = 20, // new bg pixmap
474 Rxvt_dumpscreen = 55, // dump scrollback and all of screen
475
476 URxvt_locale = 701, // change locale
477 URxvt_version = 702, // request version
478
479 URxvt_Color_IT = 704, // change actual 'Italic' colour
480 URxvt_Color_tint = 705, // change actual tint colour
481 URxvt_Color_BD = 706, // change actual 'Bold' color
482 URxvt_Color_UL = 707, // change actual 'Underline' color
483 URxvt_Color_border = 708,
484
485 URxvt_font = 710,
486 URxvt_boldFont = 711,
487 URxvt_italicFont = 712,
488 URxvt_boldItalicFont = 713,
489
490 URxvt_view_up = 720,
491 URxvt_view_down = 721,
492
493 URxvt_perl = 777, // for use by perl extensions, starts with "extension-name;"
494 };
495
496 /* Words starting with `Color_' are colours. Others are counts */
497 /*
498 * The PixColor and rendition colour usage should probably be decoupled
499 * on the unnecessary items, e.g. Color_pointer, but won't bother
500 * until we need to. Also, be aware of usage in pixcolor_set
501 */
502
503 enum colour_list {
504 Color_none = -2,
505 Color_transparent = -1,
506 Color_fg = 0,
507 Color_bg,
508 minCOLOR, /* 2 */
509 Color_Black = minCOLOR,
510 Color_Red3,
511 Color_Green3,
512 Color_Yellow3,
513 Color_Blue3,
514 Color_Magenta3,
515 Color_Cyan3,
516 maxCOLOR, /* minCOLOR + 7 */
517 #ifndef NO_BRIGHTCOLOR
518 Color_AntiqueWhite = maxCOLOR,
519 minBrightCOLOR, /* maxCOLOR + 1 */
520 Color_Grey25 = minBrightCOLOR,
521 Color_Red,
522 Color_Green,
523 Color_Yellow,
524 Color_Blue,
525 Color_Magenta,
526 Color_Cyan,
527 maxBrightCOLOR, /* minBrightCOLOR + 7 */
528 Color_White = maxBrightCOLOR,
529 #else
530 Color_White = maxCOLOR,
531 #endif
532 minTermCOLOR = Color_White + 1,
533 #if USE_256_COLORS
534 maxTermCOLOR = Color_White + 240,
535 #else
536 maxTermCOLOR = Color_White + 72,
537 #endif
538 #ifndef NO_CURSORCOLOR
539 Color_cursor,
540 Color_cursor2,
541 #endif
542 Color_pointer_fg,
543 Color_pointer_bg,
544 Color_border,
545 #ifndef NO_BOLD_UNDERLINE_REVERSE
546 Color_BD,
547 Color_IT,
548 Color_UL,
549 Color_RV,
550 #endif
551 #if ENABLE_FRILLS
552 Color_underline,
553 #endif
554 #ifdef OPTION_HC
555 Color_HC,
556 Color_HTC,
557 #endif
558 Color_scroll,
559 #ifdef RXVT_SCROLLBAR
560 Color_trough,
561 #endif
562 #if ENABLE_TRANSPARENCY
563 Color_tint,
564 #endif
565 #if OFF_FOCUS_FADING
566 Color_fade,
567 #endif
568 NRS_COLORS, /* */
569 #ifdef RXVT_SCROLLBAR
570 Color_topShadow = NRS_COLORS,
571 Color_bottomShadow,
572 TOTAL_COLORS
573 #else
574 TOTAL_COLORS = NRS_COLORS
575 #endif
576 };
577
578 #if USE_256_COLORS
579 # define Color_Bits 9 // 0 .. maxTermCOLOR
580 #else
581 # define Color_Bits 7 // 0 .. maxTermCOLOR
582 #endif
583
584 /*
585 * Resource list
586 */
587 enum {
588 # define def(name) Rs_ ## name,
589 # define reserve(name,count) Rs_ ## name ## _ = Rs_ ## name + (count) - 1,
590 # include "rsinc.h"
591 # undef def
592 # undef reserve
593 NUM_RESOURCES
594 };
595
596 /* DEC private modes */
597 #define PrivMode_132 (1UL<<0)
598 #define PrivMode_132OK (1UL<<1)
599 #define PrivMode_rVideo (1UL<<2)
600 #define PrivMode_relOrigin (1UL<<3)
601 #define PrivMode_Screen (1UL<<4)
602 #define PrivMode_Autowrap (1UL<<5)
603 #define PrivMode_aplCUR (1UL<<6)
604 #define PrivMode_aplKP (1UL<<7)
605 #define PrivMode_HaveBackSpace (1UL<<8)
606 #define PrivMode_BackSpace (1UL<<9)
607 #define PrivMode_ShiftKeys (1UL<<10)
608 #define PrivMode_VisibleCursor (1UL<<11)
609 #define PrivMode_MouseX10 (1UL<<12)
610 #define PrivMode_MouseX11 (1UL<<13)
611 #define PrivMode_scrollBar (1UL<<14)
612 #define PrivMode_TtyOutputInh (1UL<<15)
613 #define PrivMode_Keypress (1UL<<16)
614 #define PrivMode_smoothScroll (1UL<<17)
615 #define PrivMode_vt52 (1UL<<18)
616 #define PrivMode_LFNL (1UL<<19)
617 #define PrivMode_MouseBtnEvent (1UL<<20)
618 #define PrivMode_MouseAnyEvent (1UL<<21)
619 #define PrivMode_BracketPaste (1UL<<22)
620 #define PrivMode_ExtModeMouse (1UL<<23) // xterm pseudo-utf-8 hack
621 #define PrivMode_ExtMouseRight (1UL<<24) // xterm pseudo-utf-8, but works in non-utf-8-locales
622
623 #define PrivMode_mouse_report (PrivMode_MouseX10|PrivMode_MouseX11|PrivMode_MouseBtnEvent|PrivMode_MouseAnyEvent)
624
625 #ifdef ALLOW_132_MODE
626 # define PrivMode_Default (PrivMode_Autowrap|PrivMode_ShiftKeys|PrivMode_VisibleCursor|PrivMode_132OK)
627 #else
628 # define PrivMode_Default (PrivMode_Autowrap|PrivMode_ShiftKeys|PrivMode_VisibleCursor)
629 #endif
630
631 // do not change these constants lightly, there are many interdependencies
632 #define IMBUFSIZ 128 // input modifier buffer sizes
633 #define KBUFSZ 512 // size of keyboard mapping buffer
634 #define CBUFSIZ 2048 // size of command buffer
635 #define CBUFCNT 8 // never call pty_fill/cmd_parse more than this often in a row
636 #define UBUFSIZ 2048 // character buffer
637
638 #if ENABLE_FRILLS
639 # include <X11/Xmd.h>
640 typedef struct _mwmhints
641 {
642 CARD32 flags;
643 CARD32 functions;
644 CARD32 decorations;
645 INT32 input_mode;
646 CARD32 status;
647 } MWMHints;
648 #endif
649
650 /* Motif window hints */
651 #define MWM_HINTS_FUNCTIONS (1L << 0)
652 #define MWM_HINTS_DECORATIONS (1L << 1)
653 #define MWM_HINTS_INPUT_MODE (1L << 2)
654 #define MWM_HINTS_STATUS (1L << 3)
655 /* bit definitions for MwmHints.functions */
656 #define MWM_FUNC_ALL (1L << 0)
657 #define MWM_FUNC_RESIZE (1L << 1)
658 #define MWM_FUNC_MOVE (1L << 2)
659 #define MWM_FUNC_MINIMIZE (1L << 3)
660 #define MWM_FUNC_MAXIMIZE (1L << 4)
661 #define MWM_FUNC_CLOSE (1L << 5)
662 /* bit definitions for MwmHints.decorations */
663 #define MWM_DECOR_ALL (1L << 0)
664 #define MWM_DECOR_BORDER (1L << 1)
665 #define MWM_DECOR_RESIZEH (1L << 2)
666 #define MWM_DECOR_TITLE (1L << 3)
667 #define MWM_DECOR_MENU (1L << 4)
668 #define MWM_DECOR_MINIMIZE (1L << 5)
669 #define MWM_DECOR_MAXIMIZE (1L << 6)
670 /* bit definitions for MwmHints.inputMode */
671 #define MWM_INPUT_MODELESS 0
672 #define MWM_INPUT_PRIMARY_APPLICATION_MODAL 1
673 #define MWM_INPUT_SYSTEM_MODAL 2
674 #define MWM_INPUT_FULL_APPLICATION_MODAL 3
675 #define PROP_MWM_HINTS_ELEMENTS 5
676
677 /*
678 *****************************************************************************
679 * MACRO DEFINES
680 *****************************************************************************
681 */
682
683 // speed hack, copy some member variable into a local variable of the same name
684 #define dLocal(type,name) type const name = this->name
685
686 // for speed reasons, we assume that all codepoints 32 to 126 are
687 // single-width.
688 #define WCWIDTH(c) (IN_RANGE_INC (c, 0x20, 0x7e) ? 1 : wcwidth (c))
689
690 /* convert pixel dimensions to row/column values. Everything as int32_t */
691 #define Pixel2Col(x) Pixel2Width((int32_t)(x))
692 #define Pixel2Row(y) Pixel2Height((int32_t)(y))
693 #define Pixel2Width(x) ((int32_t)(x) / (int32_t)fwidth)
694 #define Pixel2Height(y) ((int32_t)(y) / (int32_t)fheight)
695 #define Col2Pixel(col) ((int32_t)Width2Pixel(col))
696 #define Row2Pixel(row) ((int32_t)Height2Pixel(row))
697 #define Width2Pixel(n) ((int32_t)(n) * (int32_t)fwidth)
698 #define Height2Pixel(n) ((int32_t)(n) * (int32_t)fheight)
699
700 #define LINENO_of(t,n) MOD ((t)->term_start + int(n), (t)->total_rows)
701 #define ROW_of(t,n) (t)->row_buf [LINENO_of ((t), n)]
702
703 #define LINENO(n) LINENO_of (this, n)
704 #define ROW(n) ROW_of (this, n)
705
706 /* how to build & extract colors and attributes */
707 #define GET_BASEFG(x) (((x) & RS_fgMask) >> RS_fgShift)
708 #define GET_BASEBG(x) (((x) & RS_bgMask) >> RS_bgShift)
709
710 #define GET_FONT(x) (((x) & RS_fontMask) >> RS_fontShift)
711 #define SET_FONT(x,fid) (((x) & ~RS_fontMask) | ((fid) << RS_fontShift))
712
713 #define GET_STYLE(x) (((x) & RS_styleMask) >> RS_styleShift)
714 #define SET_STYLE(x,style) (((x) & ~RS_styleMask) | ((style) << RS_styleShift))
715
716 #define GET_ATTR(x) (((x) & RS_attrMask))
717 // return attributes defining the background, encoding doesn't matter
718 // depends on RS_fgShift > RS_bgShift
719 #define GET_BGATTR(x) \
720 (ecb_unlikely ((x) & RS_RVid) \
721 ? (((x) & (RS_attrMask & ~RS_RVid)) \
722 | (((x) & RS_fgMask) >> (RS_fgShift - RS_bgShift))) \
723 : ((x) & (RS_attrMask | RS_bgMask)))
724 #define SET_FGCOLOR(x,fg) (((x) & ~RS_fgMask) | ((fg) << RS_fgShift))
725 #define SET_BGCOLOR(x,bg) (((x) & ~RS_bgMask) | ((bg) << RS_bgShift))
726 #define SET_ATTR(x,a) (((x) & ~RS_attrMask) | (a))
727
728 #define RS_SAME(a,b) (!(((a) ^ (b)) & ~RS_Careful))
729
730 #define PIXCOLOR_NAME(idx) rs[Rs_color + (idx)]
731 #define ISSET_PIXCOLOR(idx) (!!rs[Rs_color + (idx)])
732
733 #if ENABLE_STYLES
734 # define FONTSET_of(t,style) (t)->fontset[GET_STYLE (style)]
735 #else
736 # define FONTSET_of(t,style) (t)->fontset[0]
737 #endif
738
739 #define FONTSET(style) FONTSET_of (this, style)
740
741 typedef callback<void (const char *)> log_callback;
742 typedef callback<int (int)> getfd_callback;
743
744 /****************************************************************************/
745
746 #define LINE_LONGER 0x0001 // line is continued on the next row
747 #define LINE_FILTERED 0x0002 // line has been filtered
748 #define LINE_COMPRESSED 0x0004 // line has been compressed (NYI)
749 #define LINE_FILTER 0x0008 // line needs to be filtered before display (NYI)
750 #define LINE_BIDI 0x0010 // line needs bidi (NYI)
751
752 struct line_t
753 {
754 text_t *t; // terminal the text
755 rend_t *r; // rendition, uses RS_ flags
756 tlen_t_ l; // length of each text line
757 uint32_t f; // flags
758
759 bool is_longer ()
760 {
761 return f & LINE_LONGER;
762 }
763
764 void is_longer (int set)
765 {
766 if (set)
767 f |= LINE_LONGER;
768 else
769 f &= ~LINE_LONGER;
770 }
771
772 void clear ()
773 {
774 t = 0;
775 r = 0;
776 l = 0;
777 f = 0;
778 }
779
780 void touch () // call whenever a line is changed/touched/updated
781 {
782 #if ENABLE_PERL
783 f &= ~LINE_FILTERED;
784 #endif
785 }
786
787 void touch (int col)
788 {
789 max_it (l, col);
790 touch ();
791 }
792 };
793
794 /****************************************************************************/
795
796 // primitive wrapper around mbstate_t to ensure initialisation
797 struct mbstate
798 {
799 mbstate_t mbs;
800
801 operator mbstate_t *() { return &mbs; }
802 void reset () { memset (&mbs, 0, sizeof (mbs)); }
803 mbstate () { reset (); }
804 };
805
806 /****************************************************************************/
807
808 #define UNICODE_MASK 0x1fffffUL
809
810 #if UNICODE_3
811 # define COMPOSE_LO 0x40000000UL
812 # define COMPOSE_HI 0x400fffffUL
813 # define IS_COMPOSE(n) ((int32_t)(n) >= COMPOSE_LO)
814 #else
815 # if ENABLE_PERL
816 # define COMPOSE_LO 0xe000UL // our _own_ functions don't like (illegal) surrogates
817 # define COMPOSE_HI 0xf8ffUL // in utf-8, so use private use area only
818 # else
819 # define COMPOSE_LO 0xd800UL
820 # define COMPOSE_HI 0xf8ffUL
821 # endif
822 # define IS_COMPOSE(n) IN_RANGE_INC ((n), COMPOSE_LO, COMPOSE_HI)
823 #endif
824
825 #if ENABLE_COMBINING
826 // compose chars are used to represent composite characters
827 // that are not representable in unicode, as well as characters
828 // not fitting in the BMP.
829 struct compose_char
830 {
831 unicode_t c1, c2; // any chars != NOCHAR are valid
832 #if __cplusplus >= 201103L || ECB_GCC_VERSION(4,4)
833 compose_char () = default;
834 #endif
835 compose_char (unicode_t c1, unicode_t c2)
836 : c1(c1), c2(c2)
837 { }
838 };
839
840 class rxvt_composite_vec
841 {
842 vector<compose_char> v;
843 public:
844 text_t compose (unicode_t c1, unicode_t c2 = NOCHAR);
845 int expand (unicode_t c, wchar_t *r);
846 compose_char *operator [](text_t c)
847 {
848 return c >= COMPOSE_LO && c < COMPOSE_LO + v.size ()
849 ? &v[c - COMPOSE_LO]
850 : 0;
851 }
852 };
853
854 extern class rxvt_composite_vec rxvt_composite;
855 #endif
856
857 /****************************************************************************/
858
859 #ifdef KEYSYM_RESOURCE
860 class keyboard_manager;
861 #endif
862
863 typedef struct rxvt_term *rxvt_t;
864
865 extern rxvt_t rxvt_current_term;
866
867 #define SET_R(r) rxvt_current_term = const_cast<rxvt_term *>(r)
868 #define GET_R rxvt_current_term
869
870 /* ------------------------------------------------------------------------- */
871 struct overlay_base
872 {
873 int x, y, w, h; // overlay dimensions
874 text_t **text;
875 rend_t **rend;
876
877 // while tempting to add swap() etc. here, it effectively only increases code size
878 };
879
880 /* ------------------------------------------------------------------------- */
881
882 typedef struct
883 {
884 int row;
885 int col;
886 } row_col_t;
887
888 /*
889 * terminal limits:
890 *
891 * width : 1 <= width
892 * height : 1 <= height
893 * ncol : 1 <= ncol <= MAX(tlen_t)
894 * nrow : 1 <= nrow <= MAX(int)
895 * saveLines : 0 <= saveLines <= MAX(int)
896 * term_start : 0 <= term_start < saveLines
897 * total_rows : nrow + saveLines
898 *
899 * top_row : -saveLines <= top_row <= 0
900 * view_start : top_row <= view_start <= 0
901 *
902 * | most coordinates are stored relative to term_start,
903 * ROW_BUF | which is the first line of the terminal screen
904 * |························= row_buf[0]
905 * |························= row_buf[1]
906 * |························= row_buf[2] etc.
907 * |
908 * +------------+···········= term_start + top_row
909 * | scrollback |
910 * | scrollback +---------+·= term_start + view_start
911 * | scrollback | display |
912 * | scrollback | display |
913 * +------------+·display·+·= term_start
914 * | terminal | display |
915 * | terminal +---------+
916 * | terminal |
917 * | terminal |
918 * +------------+···········= term_start + nrow - 1
919 * |
920 * |
921 * END······················= total_rows
922 */
923
924 struct TermWin_t
925 {
926 int vt_width; /* actual window width [pixels] */
927 int vt_height; /* actual window height [pixels] */
928 int width; /* window width [pixels] */
929 int height; /* window height [pixels] */
930 int fwidth; /* font width [pixels] */
931 int fheight; /* font height [pixels] */
932 int fbase; /* font ascent (baseline) [pixels] */
933 int ncol; /* window columns [characters] */
934 int nrow; /* window rows [characters] */
935 int focus; /* window has focus */
936 int mapped; /* window state mapped? */
937 int int_bwidth; /* internal border width */
938 int ext_bwidth; /* external border width */
939 int lineSpace; /* number of extra pixels between rows */
940 int letterSpace; /* number of extra pixels between columns */
941 int saveLines; /* number of lines that fit in scrollback */
942 int total_rows; /* total number of rows in this terminal */
943 int term_start; /* term lines start here */
944 int view_start; /* scrollback view starts here */
945 int top_row; /* topmost row index of scrollback */
946 Window parent; /* parent identifier */
947 Window vt; /* vt100 window */
948 GC gc; /* GC for drawing */
949 rxvt_drawable *drawable;
950 rxvt_fontset *fontset[4];
951 };
952
953 /*
954 * screen accounting:
955 * screen_t elements
956 * row: Cursor row position : 0 <= row < nrow
957 * col: Cursor column position : 0 <= col < ncol
958 * tscroll: Scrolling region top row inclusive : 0 <= row < nrow
959 * bscroll: Scrolling region bottom row inclusive : 0 <= row < nrow
960 *
961 * selection_t elements
962 * clicks: 1, 2 or 3 clicks - 4 indicates a special condition of 1 where
963 * nothing is selected
964 * beg: row/column of beginning of selection : never past mark
965 * mark: row/column of initial click : never past end
966 * end: row/column of one character past end of selection
967 * * Note: top_row <= beg.row <= mark.row <= end.row < nrow
968 * * Note: col == -1 ==> we're left of screen
969 *
970 */
971 struct screen_t
972 {
973 row_col_t cur; /* cursor position on the screen */
974 int tscroll; /* top of settable scroll region */
975 int bscroll; /* bottom of settable scroll region */
976 unsigned int charset; /* character set number [0..3] */
977 unsigned int flags; /* see below */
978 row_col_t s_cur; /* saved cursor position */
979 unsigned int s_charset; /* saved character set number [0..3] */
980 char s_charset_char;
981 rend_t s_rstyle; /* saved rendition style */
982 };
983
984 enum selection_op_t
985 {
986 SELECTION_CLEAR = 0, /* nothing selected */
987 SELECTION_INIT, /* marked a point */
988 SELECTION_BEGIN, /* started a selection */
989 SELECTION_CONT, /* continued selection */
990 SELECTION_DONE /* selection put in CUT_BUFFER0 */
991 };
992
993 struct selection_t
994 {
995 wchar_t *text; /* selected text */
996 unsigned int len; /* length of selected text */
997 unsigned int screen; /* screen being used */
998 unsigned int clicks; /* number of clicks */
999 selection_op_t op; /* current operation */
1000 bool rect; /* rectangular selection? */
1001 row_col_t beg; /* beginning of selection <= mark */
1002 row_col_t mark; /* point of initial click <= end */
1003 row_col_t end; /* one character past end point */
1004 wchar_t *clip_text; /* text copied to the clipboard */
1005 unsigned int clip_len; /* length of clipboard text */
1006 };
1007
1008 /* ------------------------------------------------------------------------- */
1009
1010 /* screen_t flags */
1011 #define Screen_Relative (1<<0) /* relative origin mode flag */
1012 #define Screen_VisibleCursor (1<<1) /* cursor visible? */
1013 #define Screen_Autowrap (1<<2) /* auto-wrap flag */
1014 #define Screen_Insert (1<<3) /* insert mode (vs. overstrike) */
1015 #define Screen_WrapNext (1<<4) /* need to wrap for next char? */
1016 #define Screen_DefaultFlags (Screen_VisibleCursor | Screen_Autowrap)
1017
1018 /* rxvt_vars.options */
1019 enum {
1020 # define def(name) Opt_ ## name,
1021 # define nodef(name) Opt_prev_ ## name, Opt_ ## name = 0, Opt_next_ ## name = Opt_prev_ ## name - 1,
1022 Opt_0,
1023 # include "optinc.h"
1024 # undef nodef
1025 # undef def
1026 Opt_count
1027 };
1028
1029 /* ------------------------------------------------------------------------- */
1030
1031 struct rxvt_vars : TermWin_t
1032 {
1033 scrollBar_t scrollBar;
1034 uint8_t options[(Opt_count + 7) >> 3];
1035 XSizeHints szHint;
1036 rxvt_color *pix_colors;
1037 Cursor TermWin_cursor; /* cursor for vt window */
1038 line_t *row_buf; // all lines, scrollback + terminal, circular
1039 line_t *drawn_buf; // text on screen
1040 line_t *swap_buf; // lines for swap buffer
1041 char *tabs; /* per location: 1 == tab-stop */
1042 screen_t screen;
1043 screen_t swap;
1044 selection_t selection;
1045 rxvt_color pix_colors_focused[TOTAL_COLORS];
1046 #ifdef OFF_FOCUS_FADING
1047 rxvt_color pix_colors_unfocused[TOTAL_COLORS];
1048 #endif
1049 };
1050
1051 struct rxvt_term : zero_initialized, rxvt_vars, rxvt_screen
1052 {
1053
1054 // special markers with magic addresses
1055 static const char resval_undef []; // options specifically unset
1056 static const char resval_on []; // boolean options switched on
1057 static const char resval_off []; // or off
1058
1059 log_callback *log_hook; // log error messages through this hook, if != 0
1060 getfd_callback *getfd_hook; // convert remote to local fd, if != 0
1061 #if ENABLE_PERL
1062 rxvt_perl_term perl;
1063 #endif
1064 struct mbstate mbstate; // current input multibyte state
1065
1066 unsigned char want_refresh:1,
1067 current_screen:1, /* primary or secondary */
1068 num_scr_allow:1,
1069 bypass_keystate:1,
1070 #if ENABLE_FRILLS
1071 urgency_hint:1,
1072 #endif
1073 #if CURSOR_BLINK
1074 hidden_cursor:1,
1075 #endif
1076 #if TEXT_BLINK
1077 hidden_text:1,
1078 #endif
1079 #if POINTER_BLANK
1080 hidden_pointer:1,
1081 #endif
1082 enc_utf8:1, /* whether locale uses utf-8 */
1083 seen_input:1, /* whether we have seen some program output yet */
1084 seen_resize:1, /* whether we had a resize event */
1085 init_done:1,
1086 parsed_geometry:1;
1087
1088 unsigned char refresh_type,
1089 #ifdef META8_OPTION
1090 meta_char; /* Alt-key prefix */
1091 #endif
1092 /* ---------- */
1093 bool rvideo_state, rvideo_mode;
1094 #ifndef NO_BELL
1095 bool rvideo_bell;
1096 #endif
1097 int num_scr; /* screen: number of lines scrolled */
1098 int prev_ncol, /* screen: previous number of columns */
1099 prev_nrow; /* screen: previous number of rows */
1100 /* ---------- */
1101 rend_t rstyle;
1102 /* ---------- */
1103 #ifdef SELECTION_SCROLLING
1104 int scroll_selection_lines;
1105 enum page_dirn scroll_selection_dir;
1106 int selection_save_x,
1107 selection_save_y,
1108 selection_save_state;
1109 #endif
1110 /* ---------- */
1111 int csrO, /* Hops - csr offset in thumb/slider to */
1112 /* give proper Scroll behaviour */
1113 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1114 mouse_slip_wheel_speed,
1115 #endif
1116 refresh_count,
1117 window_vt_x,
1118 window_vt_y,
1119 mouse_row,
1120 mouse_col,
1121 # ifdef POINTER_BLANK
1122 pointerBlankDelay,
1123 # endif
1124 allowedxerror;
1125 /* ---------- */
1126 unsigned int ModLevel3Mask,
1127 ModMetaMask,
1128 ModNumLockMask;
1129 unsigned long priv_modes,
1130 SavedModes;
1131 /* ---------- */
1132 Atom *xa;
1133 /* ---------- */
1134 Time selection_time,
1135 clipboard_time;
1136 rxvt_selection *selection_req;
1137 pid_t cmd_pid; /* process id of child */
1138 /* ---------- */
1139 struct mouse_event MEvent;
1140 XComposeStatus compose;
1141 static struct termios def_tio;
1142 row_col_t oldcursor;
1143 #ifdef HAVE_BG_PIXMAP
1144 void bg_init ();
1145 void bg_destroy ();
1146
1147 enum {
1148 BG_IS_VALID = 1 << 0,
1149
1150 BG_IS_TRANSPARENT = 1 << 1,
1151 BG_NEEDS_REFRESH = 1 << 2,
1152
1153 BG_HAS_RENDER = 1 << 3,
1154 BG_HAS_RENDER_CONV = 1 << 4,
1155 BG_CLIENT_RENDER = 1 << 5,
1156
1157 BG_TINT_SET = 1 << 6,
1158 BG_TINT_BITAND = 1 << 7,
1159 };
1160
1161 uint8_t bg_flags;
1162
1163 # ifdef BG_IMAGE_FROM_FILE
1164 rxvt_image bg_image;
1165 void get_image_geometry (rxvt_image &image, int &w, int &h, int &x, int &y);
1166 bool render_image (rxvt_image &image);
1167 # endif
1168
1169 # ifdef ENABLE_TRANSPARENCY
1170 Pixmap root_pixmap; /* current root pixmap set */
1171 rxvt_color tint;
1172 int shade;
1173 int h_blurRadius, v_blurRadius;
1174
1175 void bg_set_transparent ()
1176 {
1177 bg_flags |= BG_IS_TRANSPARENT;
1178 }
1179 void bg_set_root_pixmap ();
1180 bool bg_set_tint (rxvt_color &new_tint);
1181 bool bg_set_shade (const char *shade_str);
1182 bool bg_set_blur (const char *geom);
1183
1184 bool blur_pixmap (Pixmap pixmap, int width, int height);
1185 bool tint_pixmap (Pixmap pixmap, int width, int height);
1186 void tint_ximage (XImage *ximage);
1187 bool make_transparency_pixmap ();
1188 # endif
1189
1190 ev_tstamp bg_valid_since;
1191
1192 Pixmap bg_pixmap;
1193 unsigned int bg_pmap_width, bg_pmap_height;
1194
1195 int target_x;
1196 int target_y;
1197 bool bg_set_position (int x, int y);
1198 bool bg_window_size_sensitive ();
1199 bool bg_window_position_sensitive ();
1200
1201 bool bg_render ();
1202 void bg_invalidate ()
1203 {
1204 bg_flags &= ~BG_IS_VALID;
1205 }
1206 #endif
1207 #ifdef HAVE_PIXBUF
1208 bool pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
1209 int src_x, int src_y, int dst_x, int dst_y,
1210 unsigned int width, unsigned int height);
1211 #endif
1212
1213 #if ENABLE_OVERLAY
1214 overlay_base ov;
1215
1216 void scr_swap_overlay () NOTHROW;
1217 void scr_overlay_new (int x, int y, int w, int h) NOTHROW;
1218 void scr_overlay_off () NOTHROW;
1219 void scr_overlay_set (int x, int y,
1220 text_t text,
1221 rend_t rend = OVERLAY_RSTYLE) NOTHROW;
1222 void scr_overlay_set (int x, int y, const char *s) NOTHROW;
1223 void scr_overlay_set (int x, int y, const wchar_t *s) NOTHROW;
1224 #endif
1225
1226 vector<void *> allocated; // free these memory blocks with free()
1227
1228 char *locale;
1229 char charsets[4];
1230 char *v_buffer; /* pointer to physical buffer */
1231 unsigned int v_buflen; /* size of area to write */
1232 stringvec *argv, *envv; /* if != 0, will be freed at destroy time */
1233
1234 #ifdef KEYSYM_RESOURCE
1235 keyboard_manager *keyboard;
1236 #endif
1237 #ifndef NO_RESOURCES
1238 XrmDatabase option_db;
1239 #endif
1240
1241 const char *rs[NUM_RESOURCES];
1242 /* command input buffering */
1243 char *cmdbuf_ptr, *cmdbuf_endp;
1244 char cmdbuf_base[CBUFSIZ];
1245
1246 ptytty *pty;
1247
1248 rxvt_salloc *talloc; // text line allocator
1249 rxvt_salloc *ralloc; // rend line allocator
1250
1251 static vector<rxvt_term *> termlist; // a vector of all running rxvt_term's
1252
1253 #if ENABLE_FRILLS || ISO_14755
1254 // ISO 14755 entry support
1255 unicode_t iso14755buf;
1256 void commit_iso14755 ();
1257 # if ISO_14755
1258 void iso14755_51 (unicode_t ch, rend_t r = DEFAULT_RSTYLE, int x = 0, int y = -1);
1259 void iso14755_54 (int x, int y);
1260 # endif
1261 #endif
1262
1263 long vt_emask, vt_emask_perl, vt_emask_xim, vt_emask_mouse;
1264
1265 void vt_select_input () const NOTHROW
1266 {
1267 XSelectInput (dpy, vt, vt_emask | vt_emask_perl | vt_emask_xim | vt_emask_mouse);
1268 }
1269
1270 #if ENABLE_TRANSPARENCY || ENABLE_PERL
1271 void rootwin_cb (XEvent &xev);
1272 xevent_watcher rootwin_ev;
1273 #endif
1274 #ifdef HAVE_BG_PIXMAP
1275 void update_background ();
1276 void update_background_cb (ev::timer &w, int revents);
1277 ev::timer update_background_ev;
1278 #endif
1279
1280 void x_cb (XEvent &xev);
1281 xevent_watcher termwin_ev;
1282 xevent_watcher vt_ev;
1283 xevent_watcher scrollbar_ev;
1284
1285 void child_cb (ev::child &w, int revents); ev::child child_ev;
1286 void destroy_cb (ev::idle &w, int revents); ev::idle destroy_ev;
1287 void refresh_check ();
1288 void flush ();
1289 void flush_cb (ev::timer &w, int revents); ev::timer flush_ev;
1290 void cmdbuf_reify ();
1291 void cmdbuf_append (const char *str, size_t count);
1292 bool pty_fill ();
1293 void pty_cb (ev::io &w, int revents); ev::io pty_ev;
1294
1295 #ifdef CURSOR_BLINK
1296 void cursor_blink_reset ();
1297 void cursor_blink_cb (ev::timer &w, int revents); ev::timer cursor_blink_ev;
1298 #endif
1299 #ifdef TEXT_BLINK
1300 void text_blink_cb (ev::timer &w, int revents); ev::timer text_blink_ev;
1301 #endif
1302 #ifndef NO_BELL
1303 void bell_cb (ev::timer &w, int revents); ev::timer bell_ev;
1304 #endif
1305
1306 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1307 void cont_scroll_cb (ev::timer &w, int revents); ev::timer cont_scroll_ev;
1308 #endif
1309 #ifdef SELECTION_SCROLLING
1310 void sel_scroll_cb (ev::timer &w, int revents); ev::timer sel_scroll_ev;
1311 #endif
1312 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1313 void slip_wheel_cb (ev::timer &w, int revents); ev::timer slip_wheel_ev;
1314 #endif
1315
1316 #ifdef POINTER_BLANK
1317 void pointer_cb (ev::timer &w, int revents); ev::timer pointer_ev;
1318 void pointer_blank ();
1319 #endif
1320 void pointer_unblank ();
1321
1322 void tt_printf (const char *fmt,...);
1323 void tt_write (const char *data, unsigned int len);
1324 void pty_write ();
1325
1326 void make_current () const // make this the "currently active" urxvt instance
1327 {
1328 SET_R (this);
1329 set_environ (envv);
1330 rxvt_set_locale (locale);
1331 }
1332
1333 #if USE_XIM
1334 rxvt_xim *input_method;
1335 XIC Input_Context;
1336 XIMStyle input_style;
1337 XPoint spot; // most recently sent spot position
1338
1339 void im_destroy ();
1340 void im_cb (); im_watcher im_ev;
1341 void im_set_size (XRectangle &size);
1342 void im_set_position (XPoint &pos) NOTHROW;
1343 void im_set_color (unsigned long &fg, unsigned long &bg);
1344 void im_set_preedit_area (XRectangle &preedit_rect, XRectangle &status_rect, const XRectangle &needed_rect);
1345
1346 bool im_is_running ();
1347 void im_send_spot ();
1348 bool im_get_ic (const char *modifiers);
1349 void im_set_position ();
1350 #endif
1351
1352 // command.C
1353 void key_press (XKeyEvent &ev);
1354 void key_release (XKeyEvent &ev);
1355
1356 wchar_t next_char () NOTHROW;
1357 wchar_t cmd_getc () THROW ((class out_of_input));
1358 uint32_t next_octet () NOTHROW;
1359 uint32_t cmd_get8 () THROW ((class out_of_input));
1360
1361 void cmd_parse ();
1362 void mouse_report (XButtonEvent &ev);
1363 void button_press (XButtonEvent &ev);
1364 void button_release (XButtonEvent &ev);
1365 void focus_in ();
1366 void focus_out ();
1367 #if ENABLE_FRILLS
1368 void set_urgency (bool enable);
1369 #else
1370 void set_urgency (bool enable) { }
1371 #endif
1372 void update_fade_color (unsigned int idx);
1373 #ifdef PRINTPIPE
1374 FILE *popen_printer ();
1375 int pclose_printer (FILE *stream);
1376 #endif
1377 void process_print_pipe ();
1378 void process_nonprinting (unicode_t ch);
1379 void process_escape_vt52 (unicode_t ch);
1380 void process_escape_seq ();
1381 void process_csi_seq ();
1382 void process_window_ops (const int *args, unsigned int nargs);
1383 char *get_to_st (unicode_t &ends_how);
1384 void process_dcs_seq ();
1385 void process_osc_seq ();
1386 void process_color_seq (int report, int color, const char *str, char resp);
1387 void process_xterm_seq (int op, char *str, char resp);
1388 int privcases (int mode, unsigned long bit);
1389 void process_terminal_mode (int mode, int priv, unsigned int nargs, const int *arg);
1390 void process_sgr_mode (unsigned int nargs, const int *arg);
1391 // init.C
1392 void init (stringvec *argv, stringvec *envv);
1393 void init (int argc, const char *const *argv, const char *const *envv);
1394 void init2 (int argc, const char *const *argv);
1395 void init_vars ();
1396 const char **init_resources (int argc, const char *const *argv);
1397 void init_env ();
1398 void set_locale (const char *locale);
1399 void init_xlocale ();
1400 void init_command (const char *const *argv);
1401 void run_command (const char *const *argv);
1402 int run_child (const char *const *argv);
1403 void color_aliases (int idx);
1404 void create_windows (int argc, const char *const *argv);
1405 void get_colours ();
1406 void get_ourmods ();
1407 void set_icon (const char *file);
1408 // main.C
1409 void tt_winch ();
1410 rxvt_term ();
1411 ~rxvt_term ();
1412 void destroy ();
1413 void emergency_cleanup ();
1414 void recolour_cursor ();
1415 void resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent);
1416 void window_calc (unsigned int newwidth, unsigned int newheight);
1417 bool set_fonts ();
1418 void set_string_property (Atom prop, const char *str, int len = -1);
1419 void set_mbstring_property (Atom prop, const char *str, int len = -1);
1420 void set_utf8_property (Atom prop, const char *str, int len = -1);
1421 void set_title (const char *str);
1422 void set_icon_name (const char *str);
1423 void set_window_color (int idx, const char *color);
1424 char *get_colorfgbg ();
1425 bool set_color (rxvt_color &color, const char *name);
1426 void alias_color (int dst, int src);
1427 void set_widthheight (unsigned int newwidth, unsigned int newheight);
1428 void get_window_origin (int &x, int &y);
1429 Pixmap get_pixmap_property (Atom property);
1430
1431 // screen.C
1432
1433 void lalloc (line_t &l) const
1434 {
1435 l.t = (text_t *)talloc->alloc ();
1436 l.r = (rend_t *)ralloc->alloc ();
1437 }
1438
1439 #if 0
1440 void lfree (line_t &l)
1441 {
1442 talloc->free (l.t);
1443 ralloc->free (l.r);
1444 }
1445 #endif
1446
1447 void lresize (line_t &l) const
1448 {
1449 if (!l.t)
1450 return;
1451
1452 l.t = (text_t *)talloc->alloc (l.t, prev_ncol * sizeof (text_t));
1453 l.r = (rend_t *)ralloc->alloc (l.r, prev_ncol * sizeof (rend_t));
1454
1455 l.l = min (l.l, ncol);
1456
1457 if (ncol > prev_ncol)
1458 scr_blank_line (l, prev_ncol, ncol - prev_ncol, DEFAULT_RSTYLE);
1459 }
1460
1461 int fgcolor_of (rend_t r) const NOTHROW
1462 {
1463 int base = GET_BASEFG (r);
1464 #ifndef NO_BRIGHTCOLOR
1465 if (r & RS_Bold
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 int bgcolor_of (rend_t r) const NOTHROW
1476 {
1477 int base = GET_BASEBG (r);
1478 #ifndef NO_BRIGHTCOLOR
1479 if (r & RS_Blink
1480 # if ENABLE_STYLES
1481 && option (Opt_intensityStyles)
1482 # endif
1483 && IN_RANGE_EXC (base, minCOLOR, minBrightCOLOR))
1484 base += minBrightCOLOR - minCOLOR;
1485 #endif
1486 return base;
1487 }
1488
1489 bool option (uint8_t opt) const NOTHROW
1490 {
1491 return options[opt >> 3] & (1 << (opt & 7));
1492 }
1493
1494 void set_option (uint8_t opt, bool set = true) NOTHROW;
1495
1496 // modifies first argument(!)
1497 void tt_paste (char *data, unsigned int len) NOTHROW;
1498 void paste (char *data, unsigned int len) NOTHROW;
1499 void scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const NOTHROW;
1500 void scr_blank_screen_mem (line_t &l, rend_t efs) const NOTHROW;
1501 void scr_kill_char (line_t &l, int col) const NOTHROW;
1502 int scr_scroll_text (int row1, int row2, int count) NOTHROW;
1503 void scr_reset ();
1504 void scr_release () NOTHROW;
1505 void scr_clear (bool really = false) NOTHROW;
1506 void scr_refresh () NOTHROW;
1507 bool scr_refresh_rend (rend_t mask, rend_t value) NOTHROW;
1508 void scr_erase_screen (int mode) NOTHROW;
1509 #if ENABLE_FRILLS
1510 void scr_erase_savelines () NOTHROW;
1511 void scr_backindex () NOTHROW;
1512 void scr_forwardindex () NOTHROW;
1513 #endif
1514 void scr_touch (bool refresh) NOTHROW;
1515 void scr_expose (int x, int y, int width, int height, bool refresh) NOTHROW;
1516 void scr_recolour (bool refresh = true) NOTHROW;
1517 void scr_remap_chars () NOTHROW;
1518 void scr_remap_chars (line_t &l) NOTHROW;
1519
1520 enum cursor_mode { SAVE, RESTORE };
1521
1522 void scr_poweron ();
1523 void scr_soft_reset () NOTHROW;
1524 void scr_cursor (cursor_mode mode) NOTHROW;
1525 void scr_do_wrap () NOTHROW;
1526 void scr_swap_screen () NOTHROW;
1527 void scr_change_screen (int scrn);
1528 void scr_color (unsigned int color, int fgbg) NOTHROW;
1529 void scr_rendition (int set, int style) NOTHROW;
1530 void scr_add_lines (const wchar_t *str, int len, int minlines = 0) NOTHROW;
1531 void scr_backspace () NOTHROW;
1532 void scr_tab (int count, bool ht = false) NOTHROW;
1533 void scr_gotorc (int row, int col, int relative) NOTHROW;
1534 void scr_index (enum page_dirn direction) NOTHROW;
1535 void scr_erase_line (int mode) NOTHROW;
1536 void scr_E () NOTHROW;
1537 void scr_insdel_lines (int count, int insdel) NOTHROW;
1538 void scr_insdel_chars (int count, int insdel) NOTHROW;
1539 void scr_scroll_region (int top, int bot) NOTHROW;
1540 void scr_cursor_visible (int mode) NOTHROW;
1541 void scr_autowrap (int mode) NOTHROW;
1542 void scr_relative_origin (int mode) NOTHROW;
1543 void scr_insert_mode (int mode) NOTHROW;
1544 void scr_set_tab (int mode) NOTHROW;
1545 void scr_rvideo_mode (bool on) NOTHROW;
1546 void scr_report_position () NOTHROW;
1547 void set_font_style () NOTHROW;
1548 void scr_charset_choose (int set) NOTHROW;
1549 void scr_charset_set (int set, unsigned int ch) NOTHROW;
1550 void scr_move_to (int y, int len) NOTHROW;
1551 bool scr_page (enum page_dirn direction, int nlines) NOTHROW;
1552 bool scr_changeview (int new_view_start) NOTHROW;
1553 void scr_bell () NOTHROW;
1554 void scr_printscreen (int fullhist) NOTHROW;
1555 void scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) NOTHROW;
1556 void scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) NOTHROW;
1557 void scr_reverse_selection () NOTHROW;
1558 void scr_dump (int fd) NOTHROW;
1559
1560 void selection_check (int check_more) NOTHROW;
1561 void selection_request (Time tm, int selnum = Sel_Primary) NOTHROW;
1562 void selection_clear (bool clipboard = false) NOTHROW;
1563 void selection_make (Time tm);
1564 bool selection_grab (Time tm, bool clipboard = false) NOTHROW;
1565 void selection_start_colrow (int col, int row) NOTHROW;
1566 void selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW;
1567 void selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW;
1568 void selection_remove_trailing_spaces () NOTHROW;
1569 void selection_send (const XSelectionRequestEvent &rq) NOTHROW;
1570 void selection_click (int clicks, int x, int y) NOTHROW;
1571 void selection_extend (int x, int y, int flag) NOTHROW;
1572 void selection_rotate (int x, int y) NOTHROW;
1573
1574 // xdefaults.C
1575 const char **get_options (int argc, const char *const *argv);
1576 int parse_keysym (const char *str, const char *arg);
1577 const char *x_resource (const char *name);
1578 void extract_resources ();
1579 void extract_keysym_resources ();
1580 };
1581
1582 #endif /* _RXVT_H_ */
1583