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/cvs/cvsroot/rxvt-unicode/src/rxvt.h
Revision: 1.481
Committed: Sun May 20 16:23:42 2012 UTC (12 years, 1 month ago) by sf-exg
Content type: text/plain
Branch: MAIN
Changes since 1.480: +0 -6 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 };
262 # endif
263 #endif
264
265 /*
266 *****************************************************************************
267 * STRUCTURES AND TYPEDEFS
268 *****************************************************************************
269 */
270
271 /*
272 * the 'essential' information for reporting Mouse Events
273 * pared down from XButtonEvent
274 */
275 struct mouse_event
276 {
277 int clicks;
278 Time time; /* milliseconds */
279 unsigned int state; /* key or button mask */
280 unsigned int button; /* detail */
281 };
282
283 #if ENABLE_XEMBED
284 // XEMBED messages
285 # define XEMBED_EMBEDDED_NOTIFY 0
286 # define XEMBED_WINDOW_ACTIVATE 1
287 # define XEMBED_WINDOW_DEACTIVATE 2
288 # define XEMBED_REQUEST_FOCUS 3
289 # define XEMBED_FOCUS_IN 4
290 # define XEMBED_FOCUS_OUT 5
291 # define XEMBED_FOCUS_NEXT 6
292 # define XEMBED_FOCUS_PREV 7
293
294 # define XEMBED_MODALITY_ON 10
295 # define XEMBED_MODALITY_OFF 11
296 # define XEMBED_REGISTER_ACCELERATOR 12
297 # define XEMBED_UNREGISTER_ACCELERATOR 13
298 # define XEMBED_ACTIVATE_ACCELERATOR 14
299
300 // XEMBED detail code
301 # define XEMBED_FOCUS_CURRENT 0
302 # define XEMBED_FOCUS_FIRST 1
303 # define XEMBED_FOCUS_LAST 2
304
305 # define XEMBED_MAPPED (1 << 0)
306 #endif
307
308 /*
309 *****************************************************************************
310 * NORMAL DEFINES
311 *****************************************************************************
312 */
313
314 /* COLORTERM, TERM environment variables */
315 #define COLORTERMENV "rxvt"
316 #ifdef BG_IMAGE_FROM_FILE
317 # define COLORTERMENVFULL COLORTERMENV "-xpm"
318 #else
319 # define COLORTERMENVFULL COLORTERMENV
320 #endif
321 #ifndef TERMENV
322 # if USE_256_COLORS
323 # define TERMENV "rxvt-unicode-256color"
324 # else
325 # define TERMENV "rxvt-unicode"
326 # endif
327 #endif
328
329 #if defined (NO_MOUSE_REPORT) && !defined (NO_MOUSE_REPORT_SCROLLBAR)
330 # define NO_MOUSE_REPORT_SCROLLBAR 1
331 #endif
332
333 #define scrollBar_esc 30
334
335 #if !defined (RXVT_SCROLLBAR) && !defined (NEXT_SCROLLBAR)
336 # define NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING 1
337 #endif
338
339 enum {
340 NO_REFRESH = 0, /* Window not visible at all! */
341 FAST_REFRESH = 1, /* Fully exposed window */
342 SLOW_REFRESH = 2, /* Partially exposed window */
343 };
344
345 #ifdef NO_SECONDARY_SCREEN
346 # define NSCREENS 0
347 #else
348 # define NSCREENS 1
349 #endif
350
351 /* flags for rxvt_term::scr_gotorc () */
352 enum {
353 C_RELATIVE = 1, /* col movement is relative */
354 R_RELATIVE = 2, /* row movement is relative */
355 RELATIVE = C_RELATIVE | R_RELATIVE,
356 };
357
358 /* modes for rxvt_term::scr_insdel_chars (), rxvt_term::scr_insdel_lines () */
359 enum {
360 INSERT = -1, /* don't change these values */
361 DELETE = +1,
362 ERASE = +2,
363 };
364
365 /* modes for rxvt_term::scr_page () - scroll page. used by scrollbar window */
366 enum page_dirn {
367 UP,
368 DN,
369 NO_DIR,
370 };
371
372 /* arguments for rxvt_term::scr_change_screen () */
373 enum {
374 PRIMARY = 0,
375 SECONDARY,
376 };
377
378 // define various rendition bits and masks. the rendition word
379 // is 32 bits in size, and we should use it as efficiently as possible
380
381 #define RS_None 0
382
383 // GET_BGATTR depends on RS_fgShift > RS_bgShift
384 #define RS_colorMask ((1UL << Color_Bits) - 1UL)
385 #define RS_bgShift 0
386 #define RS_fgShift (RS_bgShift + Color_Bits)
387 #define RS_bgMask (RS_colorMask << RS_bgShift)
388 #define RS_fgMask (RS_colorMask << RS_fgShift)
389
390 // must have space for rxvt_fontset::fontCount * 2 + 2 values
391 #define RS_fontShift (RS_fgShift + Color_Bits)
392 #define RS_Careful (1UL << RS_fontShift) /* be careful when drawing these */
393 #define RS_fontCount rxvt_fontset::fontCount
394 #define RS_fontMask ((RS_fontCount << (RS_fontShift + 1)) | RS_Careful) // includes RS_Careful
395
396 // toggle this to force redraw, must be != RS_Careful and otherwise "pretty neutral"
397 #define RS_redraw (2UL << RS_fontShift)
398
399 #define RS_Sel (1UL << 22)
400
401 // 4 custom bits for extensions
402 #define RS_customCount 16UL
403 #define RS_customShift 23
404 #define RS_customMask ((RS_customCount - 1UL) << RS_customShift)
405
406 // font styles
407 #define RS_Bold (1UL << RS_styleShift)
408 #define RS_Italic (2UL << RS_styleShift)
409
410 #define RS_styleCount 4
411 #define RS_styleShift 27
412 #define RS_styleMask (RS_Bold | RS_Italic)
413
414 // fake styles
415 #define RS_Blink (1UL << 29)
416 #define RS_RVid (1UL << 30) // reverse video
417 #define RS_Uline (1UL << 31) // underline
418
419 #define RS_baseattrMask (RS_Italic | RS_Bold | RS_Blink | RS_RVid | RS_Uline)
420 #define RS_attrMask (RS_baseattrMask | RS_fontMask)
421
422 #define DEFAULT_RSTYLE (RS_None | (Color_fg << RS_fgShift) | (Color_bg << RS_bgShift))
423 #define OVERLAY_RSTYLE (RS_None | (Color_Black << RS_fgShift) | (Color_Yellow << RS_bgShift))
424
425 enum {
426 C0_NUL = 0x00,
427 C0_SOH, C0_STX, C0_ETX, C0_EOT, C0_ENQ, C0_ACK, C0_BEL,
428 C0_BS , C0_HT , C0_LF , C0_VT , C0_FF , C0_CR , C0_SO , C0_SI ,
429 C0_DLE, C0_DC1, C0_DC2, D0_DC3, C0_DC4, C0_NAK, C0_SYN, C0_ETB,
430 C0_CAN, C0_EM , C0_SUB, C0_ESC, C0_IS4, C0_IS3, C0_IS2, C0_IS1,
431 };
432 #define CHAR_ST 0x9c /* 0234 */
433
434 /*
435 * XTerm Operating System Commands: ESC ] Ps;Pt (ST|BEL)
436 * colour extensions by Christian W. Zuckschwerdt <zany@triq.net>
437 */
438 enum {
439 XTerm_name = 0,
440 XTerm_iconName = 1,
441 XTerm_title = 2,
442 XTerm_property = 3, // change X property
443 XTerm_Color = 4, // change colors
444 XTerm_Color00 = 10, // change fg color
445 XTerm_Color01 = 11, // change bg color
446 XTerm_Color_cursor = 12, // change actual 'Cursor' color
447 XTerm_Color_pointer_fg = 13, // change actual 'Pointer' fg color
448 XTerm_Color_pointer_bg = 14, // change actual 'Pointer' bg color
449 XTerm_Color05 = 15, // not implemented (tektronix fg)
450 XTerm_Color06 = 16, // not implemented (tektronix bg)
451 XTerm_Color_HC = 17, // change actual 'Highlight' bg color
452 XTerm_Color_HTC = 19, // change actual 'Highlight' fg color
453 XTerm_logfile = 46, // not implemented
454 XTerm_font = 50,
455
456 XTerm_konsole30 = 30, // reserved for konsole
457 XTerm_konsole31 = 31, // reserved for konsole
458 XTerm_emacs51 = 51, // reserved for emacs shell
459 /*
460 * rxvt extensions of XTerm OSCs: ESC ] Ps;Pt (ST|BEL)
461 */
462
463 // deprecated
464 Rxvt_restoreFG = 39,
465 Rxvt_restoreBG = 49,
466
467 Rxvt_Pixmap = 20, // new bg pixmap
468 Rxvt_dumpscreen = 55, // dump scrollback and all of screen
469
470 URxvt_locale = 701, // change locale
471 URxvt_version = 702, // request version
472
473 URxvt_Color_IT = 704, // change actual 'Italic' colour
474 URxvt_Color_tint = 705, // change actual tint colour
475 URxvt_Color_BD = 706, // change actual 'Bold' color
476 URxvt_Color_UL = 707, // change actual 'Underline' color
477 URxvt_Color_border = 708,
478
479 URxvt_font = 710,
480 URxvt_boldFont = 711,
481 URxvt_italicFont = 712,
482 URxvt_boldItalicFont = 713,
483
484 URxvt_view_up = 720,
485 URxvt_view_down = 721,
486
487 URxvt_perl = 777, // for use by perl extensions, starts with "extension-name;"
488 };
489
490 /* Words starting with `Color_' are colours. Others are counts */
491 /*
492 * The PixColor and rendition colour usage should probably be decoupled
493 * on the unnecessary items, e.g. Color_pointer, but won't bother
494 * until we need to. Also, be aware of usage in pixcolor_set
495 */
496
497 enum colour_list {
498 Color_none = -2,
499 Color_transparent = -1,
500 Color_fg = 0,
501 Color_bg,
502 minCOLOR, /* 2 */
503 Color_Black = minCOLOR,
504 Color_Red3,
505 Color_Green3,
506 Color_Yellow3,
507 Color_Blue3,
508 Color_Magenta3,
509 Color_Cyan3,
510 maxCOLOR, /* minCOLOR + 7 */
511 #ifndef NO_BRIGHTCOLOR
512 Color_AntiqueWhite = maxCOLOR,
513 minBrightCOLOR, /* maxCOLOR + 1 */
514 Color_Grey25 = minBrightCOLOR,
515 Color_Red,
516 Color_Green,
517 Color_Yellow,
518 Color_Blue,
519 Color_Magenta,
520 Color_Cyan,
521 maxBrightCOLOR, /* minBrightCOLOR + 7 */
522 Color_White = maxBrightCOLOR,
523 #else
524 Color_White = maxCOLOR,
525 #endif
526 minTermCOLOR = Color_White + 1,
527 #if USE_256_COLORS
528 maxTermCOLOR = Color_White + 240,
529 #else
530 maxTermCOLOR = Color_White + 72,
531 #endif
532 #ifndef NO_CURSORCOLOR
533 Color_cursor,
534 Color_cursor2,
535 #endif
536 Color_pointer_fg,
537 Color_pointer_bg,
538 Color_border,
539 #ifndef NO_BOLD_UNDERLINE_REVERSE
540 Color_BD,
541 Color_IT,
542 Color_UL,
543 Color_RV,
544 #endif
545 #if ENABLE_FRILLS
546 Color_underline,
547 #endif
548 #ifdef OPTION_HC
549 Color_HC,
550 Color_HTC,
551 #endif
552 Color_scroll,
553 #ifdef RXVT_SCROLLBAR
554 Color_trough,
555 #endif
556 #if ENABLE_TRANSPARENCY
557 Color_tint,
558 #endif
559 #if OFF_FOCUS_FADING
560 Color_fade,
561 #endif
562 NRS_COLORS, /* */
563 #ifdef RXVT_SCROLLBAR
564 Color_topShadow = NRS_COLORS,
565 Color_bottomShadow,
566 TOTAL_COLORS
567 #else
568 TOTAL_COLORS = NRS_COLORS
569 #endif
570 };
571
572 #if USE_256_COLORS
573 # define Color_Bits 9 // 0 .. maxTermCOLOR
574 #else
575 # define Color_Bits 7 // 0 .. maxTermCOLOR
576 #endif
577
578 /*
579 * Resource list
580 */
581 enum {
582 # define def(name) Rs_ ## name,
583 # define reserve(name,count) Rs_ ## name ## _ = Rs_ ## name + (count) - 1,
584 # include "rsinc.h"
585 # undef def
586 # undef reserve
587 NUM_RESOURCES
588 };
589
590 /* DEC private modes */
591 #define PrivMode_132 (1UL<<0)
592 #define PrivMode_132OK (1UL<<1)
593 #define PrivMode_rVideo (1UL<<2)
594 #define PrivMode_relOrigin (1UL<<3)
595 #define PrivMode_Screen (1UL<<4)
596 #define PrivMode_Autowrap (1UL<<5)
597 #define PrivMode_aplCUR (1UL<<6)
598 #define PrivMode_aplKP (1UL<<7)
599 #define PrivMode_HaveBackSpace (1UL<<8)
600 #define PrivMode_BackSpace (1UL<<9)
601 #define PrivMode_ShiftKeys (1UL<<10)
602 #define PrivMode_VisibleCursor (1UL<<11)
603 #define PrivMode_MouseX10 (1UL<<12)
604 #define PrivMode_MouseX11 (1UL<<13)
605 #define PrivMode_scrollBar (1UL<<14)
606 #define PrivMode_TtyOutputInh (1UL<<15)
607 #define PrivMode_Keypress (1UL<<16)
608 #define PrivMode_smoothScroll (1UL<<17)
609 #define PrivMode_vt52 (1UL<<18)
610 #define PrivMode_LFNL (1UL<<19)
611 #define PrivMode_MouseBtnEvent (1UL<<20)
612 #define PrivMode_MouseAnyEvent (1UL<<21)
613 #define PrivMode_BracketPaste (1UL<<22)
614 #define PrivMode_ExtModeMouse (1UL<<23) // xterm pseudo-utf-8 hack
615 #define PrivMode_ExtMouseRight (1UL<<24) // xterm pseudo-utf-8, but works in non-utf-8-locales
616
617 #define PrivMode_mouse_report (PrivMode_MouseX10|PrivMode_MouseX11|PrivMode_MouseBtnEvent|PrivMode_MouseAnyEvent)
618
619 #ifdef ALLOW_132_MODE
620 # define PrivMode_Default (PrivMode_Autowrap|PrivMode_ShiftKeys|PrivMode_VisibleCursor|PrivMode_132OK)
621 #else
622 # define PrivMode_Default (PrivMode_Autowrap|PrivMode_ShiftKeys|PrivMode_VisibleCursor)
623 #endif
624
625 // do not change these constants lightly, there are many interdependencies
626 #define IMBUFSIZ 128 // input modifier buffer sizes
627 #define KBUFSZ 512 // size of keyboard mapping buffer
628 #define CBUFSIZ 2048 // size of command buffer
629 #define CBUFCNT 8 // never call pty_fill/cmd_parse more than this often in a row
630 #define UBUFSIZ 2048 // character buffer
631
632 #if ENABLE_FRILLS
633 # include <X11/Xmd.h>
634 typedef struct _mwmhints
635 {
636 CARD32 flags;
637 CARD32 functions;
638 CARD32 decorations;
639 INT32 input_mode;
640 CARD32 status;
641 } MWMHints;
642 #endif
643
644 /* Motif window hints */
645 #define MWM_HINTS_FUNCTIONS (1L << 0)
646 #define MWM_HINTS_DECORATIONS (1L << 1)
647 #define MWM_HINTS_INPUT_MODE (1L << 2)
648 #define MWM_HINTS_STATUS (1L << 3)
649 /* bit definitions for MwmHints.functions */
650 #define MWM_FUNC_ALL (1L << 0)
651 #define MWM_FUNC_RESIZE (1L << 1)
652 #define MWM_FUNC_MOVE (1L << 2)
653 #define MWM_FUNC_MINIMIZE (1L << 3)
654 #define MWM_FUNC_MAXIMIZE (1L << 4)
655 #define MWM_FUNC_CLOSE (1L << 5)
656 /* bit definitions for MwmHints.decorations */
657 #define MWM_DECOR_ALL (1L << 0)
658 #define MWM_DECOR_BORDER (1L << 1)
659 #define MWM_DECOR_RESIZEH (1L << 2)
660 #define MWM_DECOR_TITLE (1L << 3)
661 #define MWM_DECOR_MENU (1L << 4)
662 #define MWM_DECOR_MINIMIZE (1L << 5)
663 #define MWM_DECOR_MAXIMIZE (1L << 6)
664 /* bit definitions for MwmHints.inputMode */
665 #define MWM_INPUT_MODELESS 0
666 #define MWM_INPUT_PRIMARY_APPLICATION_MODAL 1
667 #define MWM_INPUT_SYSTEM_MODAL 2
668 #define MWM_INPUT_FULL_APPLICATION_MODAL 3
669 #define PROP_MWM_HINTS_ELEMENTS 5
670
671 /*
672 *****************************************************************************
673 * MACRO DEFINES
674 *****************************************************************************
675 */
676
677 // speed hack, copy some member variable into a local variable of the same name
678 #define dLocal(type,name) type const name = this->name
679
680 // for speed reasons, we assume that all codepoints 32 to 126 are
681 // single-width.
682 #define WCWIDTH(c) (IN_RANGE_INC (c, 0x20, 0x7e) ? 1 : wcwidth (c))
683
684 /* convert pixel dimensions to row/column values. Everything as int32_t */
685 #define Pixel2Col(x) Pixel2Width((int32_t)(x))
686 #define Pixel2Row(y) Pixel2Height((int32_t)(y))
687 #define Pixel2Width(x) ((int32_t)(x) / (int32_t)fwidth)
688 #define Pixel2Height(y) ((int32_t)(y) / (int32_t)fheight)
689 #define Col2Pixel(col) ((int32_t)Width2Pixel(col))
690 #define Row2Pixel(row) ((int32_t)Height2Pixel(row))
691 #define Width2Pixel(n) ((int32_t)(n) * (int32_t)fwidth)
692 #define Height2Pixel(n) ((int32_t)(n) * (int32_t)fheight)
693
694 #define LINENO_of(t,n) MOD ((t)->term_start + int(n), (t)->total_rows)
695 #define ROW_of(t,n) (t)->row_buf [LINENO_of ((t), n)]
696
697 #define LINENO(n) LINENO_of (this, n)
698 #define ROW(n) ROW_of (this, n)
699
700 /* how to build & extract colors and attributes */
701 #define GET_BASEFG(x) (((x) & RS_fgMask) >> RS_fgShift)
702 #define GET_BASEBG(x) (((x) & RS_bgMask) >> RS_bgShift)
703
704 #define GET_FONT(x) (((x) & RS_fontMask) >> RS_fontShift)
705 #define SET_FONT(x,fid) (((x) & ~RS_fontMask) | ((fid) << RS_fontShift))
706
707 #define GET_STYLE(x) (((x) & RS_styleMask) >> RS_styleShift)
708 #define SET_STYLE(x,style) (((x) & ~RS_styleMask) | ((style) << RS_styleShift))
709
710 #define GET_ATTR(x) (((x) & RS_attrMask))
711 // return attributes defining the background, encoding doesn't matter
712 // depends on RS_fgShift > RS_bgShift
713 #define GET_BGATTR(x) \
714 (ecb_unlikely ((x) & RS_RVid) \
715 ? (((x) & (RS_attrMask & ~RS_RVid)) \
716 | (((x) & RS_fgMask) >> (RS_fgShift - RS_bgShift))) \
717 : ((x) & (RS_attrMask | RS_bgMask)))
718 #define SET_FGCOLOR(x,fg) (((x) & ~RS_fgMask) | ((fg) << RS_fgShift))
719 #define SET_BGCOLOR(x,bg) (((x) & ~RS_bgMask) | ((bg) << RS_bgShift))
720 #define SET_ATTR(x,a) (((x) & ~RS_attrMask) | (a))
721
722 #define RS_SAME(a,b) (!(((a) ^ (b)) & ~RS_Careful))
723
724 #define PIXCOLOR_NAME(idx) rs[Rs_color + (idx)]
725 #define ISSET_PIXCOLOR(idx) (!!rs[Rs_color + (idx)])
726
727 #if ENABLE_STYLES
728 # define FONTSET_of(t,style) (t)->fontset[GET_STYLE (style)]
729 #else
730 # define FONTSET_of(t,style) (t)->fontset[0]
731 #endif
732
733 #define FONTSET(style) FONTSET_of (this, style)
734
735 typedef callback<void (const char *)> log_callback;
736 typedef callback<int (int)> getfd_callback;
737
738 /****************************************************************************/
739
740 #define LINE_LONGER 0x0001 // line is continued on the next row
741 #define LINE_FILTERED 0x0002 // line has been filtered
742 #define LINE_COMPRESSED 0x0004 // line has been compressed (NYI)
743 #define LINE_FILTER 0x0008 // line needs to be filtered before display (NYI)
744 #define LINE_BIDI 0x0010 // line needs bidi (NYI)
745
746 struct line_t
747 {
748 text_t *t; // terminal the text
749 rend_t *r; // rendition, uses RS_ flags
750 tlen_t_ l; // length of each text line
751 uint32_t f; // flags
752
753 bool is_longer ()
754 {
755 return f & LINE_LONGER;
756 }
757
758 void is_longer (int set)
759 {
760 if (set)
761 f |= LINE_LONGER;
762 else
763 f &= ~LINE_LONGER;
764 }
765
766 void clear ()
767 {
768 t = 0;
769 r = 0;
770 l = 0;
771 f = 0;
772 }
773
774 void touch () // call whenever a line is changed/touched/updated
775 {
776 #if ENABLE_PERL
777 f &= ~LINE_FILTERED;
778 #endif
779 }
780
781 void touch (int col)
782 {
783 max_it (l, col);
784 touch ();
785 }
786 };
787
788 /****************************************************************************/
789
790 // primitive wrapper around mbstate_t to ensure initialisation
791 struct mbstate
792 {
793 mbstate_t mbs;
794
795 operator mbstate_t *() { return &mbs; }
796 void reset () { memset (&mbs, 0, sizeof (mbs)); }
797 mbstate () { reset (); }
798 };
799
800 /****************************************************************************/
801
802 #define UNICODE_MASK 0x1fffffUL
803
804 #if UNICODE_3
805 # define COMPOSE_LO 0x40000000UL
806 # define COMPOSE_HI 0x400fffffUL
807 # define IS_COMPOSE(n) ((int32_t)(n) >= COMPOSE_LO)
808 #else
809 # if ENABLE_PERL
810 # define COMPOSE_LO 0xe000UL // our _own_ functions don't like (illegal) surrogates
811 # define COMPOSE_HI 0xf8ffUL // in utf-8, so use private use area only
812 # else
813 # define COMPOSE_LO 0xd800UL
814 # define COMPOSE_HI 0xf8ffUL
815 # endif
816 # define IS_COMPOSE(n) IN_RANGE_INC ((n), COMPOSE_LO, COMPOSE_HI)
817 #endif
818
819 #if ENABLE_COMBINING
820 // compose chars are used to represent composite characters
821 // that are not representable in unicode, as well as characters
822 // not fitting in the BMP.
823 struct compose_char
824 {
825 unicode_t c1, c2; // any chars != NOCHAR are valid
826 #if __cplusplus >= 201103L || ECB_GCC_VERSION(4,4)
827 compose_char () = default;
828 #endif
829 compose_char (unicode_t c1, unicode_t c2)
830 : c1(c1), c2(c2)
831 { }
832 };
833
834 class rxvt_composite_vec
835 {
836 vector<compose_char> v;
837 public:
838 text_t compose (unicode_t c1, unicode_t c2 = NOCHAR);
839 int expand (unicode_t c, wchar_t *r);
840 compose_char *operator [](text_t c)
841 {
842 return c >= COMPOSE_LO && c < COMPOSE_LO + v.size ()
843 ? &v[c - COMPOSE_LO]
844 : 0;
845 }
846 };
847
848 extern class rxvt_composite_vec rxvt_composite;
849 #endif
850
851 /****************************************************************************/
852
853 #ifdef KEYSYM_RESOURCE
854 class keyboard_manager;
855 #endif
856
857 typedef struct rxvt_term *rxvt_t;
858
859 extern rxvt_t rxvt_current_term;
860
861 #define SET_R(r) rxvt_current_term = const_cast<rxvt_term *>(r)
862 #define GET_R rxvt_current_term
863
864 /* ------------------------------------------------------------------------- */
865 struct overlay_base
866 {
867 int x, y, w, h; // overlay dimensions
868 text_t **text;
869 rend_t **rend;
870
871 // while tempting to add swap() etc. here, it effectively only increases code size
872 };
873
874 /* ------------------------------------------------------------------------- */
875
876 typedef struct
877 {
878 int row;
879 int col;
880 } row_col_t;
881
882 /*
883 * terminal limits:
884 *
885 * width : 1 <= width
886 * height : 1 <= height
887 * ncol : 1 <= ncol <= MAX(tlen_t)
888 * nrow : 1 <= nrow <= MAX(int)
889 * saveLines : 0 <= saveLines <= MAX(int)
890 * term_start : 0 <= term_start < saveLines
891 * total_rows : nrow + saveLines
892 *
893 * top_row : -saveLines <= top_row <= 0
894 * view_start : top_row <= view_start <= 0
895 *
896 * | most coordinates are stored relative to term_start,
897 * ROW_BUF | which is the first line of the terminal screen
898 * |························= row_buf[0]
899 * |························= row_buf[1]
900 * |························= row_buf[2] etc.
901 * |
902 * +------------+···········= term_start + top_row
903 * | scrollback |
904 * | scrollback +---------+·= term_start + view_start
905 * | scrollback | display |
906 * | scrollback | display |
907 * +------------+·display·+·= term_start
908 * | terminal | display |
909 * | terminal +---------+
910 * | terminal |
911 * | terminal |
912 * +------------+···········= term_start + nrow - 1
913 * |
914 * |
915 * END······················= total_rows
916 */
917
918 struct TermWin_t
919 {
920 int vt_width; /* actual window width [pixels] */
921 int vt_height; /* actual window height [pixels] */
922 int width; /* window width [pixels] */
923 int height; /* window height [pixels] */
924 int fwidth; /* font width [pixels] */
925 int fheight; /* font height [pixels] */
926 int fbase; /* font ascent (baseline) [pixels] */
927 int ncol; /* window columns [characters] */
928 int nrow; /* window rows [characters] */
929 int focus; /* window has focus */
930 int mapped; /* window state mapped? */
931 int int_bwidth; /* internal border width */
932 int ext_bwidth; /* external border width */
933 int lineSpace; /* number of extra pixels between rows */
934 int letterSpace; /* number of extra pixels between columns */
935 int saveLines; /* number of lines that fit in scrollback */
936 int total_rows; /* total number of rows in this terminal */
937 int term_start; /* term lines start here */
938 int view_start; /* scrollback view starts here */
939 int top_row; /* topmost row index of scrollback */
940 Window parent; /* parent identifier */
941 Window vt; /* vt100 window */
942 GC gc; /* GC for drawing */
943 rxvt_drawable *drawable;
944 rxvt_fontset *fontset[4];
945 };
946
947 /*
948 * screen accounting:
949 * screen_t elements
950 * row: Cursor row position : 0 <= row < nrow
951 * col: Cursor column position : 0 <= col < ncol
952 * tscroll: Scrolling region top row inclusive : 0 <= row < nrow
953 * bscroll: Scrolling region bottom row inclusive : 0 <= row < nrow
954 *
955 * selection_t elements
956 * clicks: 1, 2 or 3 clicks - 4 indicates a special condition of 1 where
957 * nothing is selected
958 * beg: row/column of beginning of selection : never past mark
959 * mark: row/column of initial click : never past end
960 * end: row/column of one character past end of selection
961 * * Note: top_row <= beg.row <= mark.row <= end.row < nrow
962 * * Note: col == -1 ==> we're left of screen
963 *
964 */
965 struct screen_t
966 {
967 row_col_t cur; /* cursor position on the screen */
968 int tscroll; /* top of settable scroll region */
969 int bscroll; /* bottom of settable scroll region */
970 unsigned int charset; /* character set number [0..3] */
971 unsigned int flags; /* see below */
972 row_col_t s_cur; /* saved cursor position */
973 unsigned int s_charset; /* saved character set number [0..3] */
974 char s_charset_char;
975 rend_t s_rstyle; /* saved rendition style */
976 };
977
978 enum selection_op_t
979 {
980 SELECTION_CLEAR = 0, /* nothing selected */
981 SELECTION_INIT, /* marked a point */
982 SELECTION_BEGIN, /* started a selection */
983 SELECTION_CONT, /* continued selection */
984 SELECTION_DONE /* selection put in CUT_BUFFER0 */
985 };
986
987 struct selection_t
988 {
989 wchar_t *text; /* selected text */
990 unsigned int len; /* length of selected text */
991 unsigned int screen; /* screen being used */
992 unsigned int clicks; /* number of clicks */
993 selection_op_t op; /* current operation */
994 bool rect; /* rectangular selection? */
995 row_col_t beg; /* beginning of selection <= mark */
996 row_col_t mark; /* point of initial click <= end */
997 row_col_t end; /* one character past end point */
998 wchar_t *clip_text; /* text copied to the clipboard */
999 unsigned int clip_len; /* length of clipboard text */
1000 };
1001
1002 /* ------------------------------------------------------------------------- */
1003
1004 /* screen_t flags */
1005 #define Screen_Relative (1<<0) /* relative origin mode flag */
1006 #define Screen_VisibleCursor (1<<1) /* cursor visible? */
1007 #define Screen_Autowrap (1<<2) /* auto-wrap flag */
1008 #define Screen_Insert (1<<3) /* insert mode (vs. overstrike) */
1009 #define Screen_WrapNext (1<<4) /* need to wrap for next char? */
1010 #define Screen_DefaultFlags (Screen_VisibleCursor | Screen_Autowrap)
1011
1012 /* rxvt_vars.options */
1013 enum {
1014 # define def(name) Opt_ ## name,
1015 # define nodef(name) Opt_prev_ ## name, Opt_ ## name = 0, Opt_next_ ## name = Opt_prev_ ## name - 1,
1016 Opt_0,
1017 # include "optinc.h"
1018 # undef nodef
1019 # undef def
1020 Opt_count
1021 };
1022
1023 /* ------------------------------------------------------------------------- */
1024
1025 struct rxvt_vars : TermWin_t
1026 {
1027 scrollBar_t scrollBar;
1028 uint8_t options[(Opt_count + 7) >> 3];
1029 XSizeHints szHint;
1030 rxvt_color *pix_colors;
1031 Cursor TermWin_cursor; /* cursor for vt window */
1032 line_t *row_buf; // all lines, scrollback + terminal, circular
1033 line_t *drawn_buf; // text on screen
1034 line_t *swap_buf; // lines for swap buffer
1035 char *tabs; /* per location: 1 == tab-stop */
1036 screen_t screen;
1037 screen_t swap;
1038 selection_t selection;
1039 rxvt_color pix_colors_focused[TOTAL_COLORS];
1040 #ifdef OFF_FOCUS_FADING
1041 rxvt_color pix_colors_unfocused[TOTAL_COLORS];
1042 #endif
1043 };
1044
1045 struct rxvt_term : zero_initialized, rxvt_vars, rxvt_screen
1046 {
1047
1048 // special markers with magic addresses
1049 static const char resval_undef []; // options specifically unset
1050 static const char resval_on []; // boolean options switched on
1051 static const char resval_off []; // or off
1052
1053 log_callback *log_hook; // log error messages through this hook, if != 0
1054 getfd_callback *getfd_hook; // convert remote to local fd, if != 0
1055 #if ENABLE_PERL
1056 rxvt_perl_term perl;
1057 #endif
1058 struct mbstate mbstate; // current input multibyte state
1059
1060 unsigned char want_refresh:1,
1061 current_screen:1, /* primary or secondary */
1062 num_scr_allow:1,
1063 bypass_keystate:1,
1064 #if ENABLE_FRILLS
1065 urgency_hint:1,
1066 #endif
1067 #if CURSOR_BLINK
1068 hidden_cursor:1,
1069 #endif
1070 #if TEXT_BLINK
1071 hidden_text:1,
1072 #endif
1073 #if POINTER_BLANK
1074 hidden_pointer:1,
1075 #endif
1076 enc_utf8:1, /* whether locale uses utf-8 */
1077 seen_input:1, /* whether we have seen some program output yet */
1078 seen_resize:1, /* whether we had a resize event */
1079 init_done:1,
1080 parsed_geometry:1;
1081
1082 unsigned char refresh_type,
1083 #ifdef META8_OPTION
1084 meta_char; /* Alt-key prefix */
1085 #endif
1086 /* ---------- */
1087 bool rvideo_state, rvideo_mode;
1088 #ifndef NO_BELL
1089 bool rvideo_bell;
1090 #endif
1091 int num_scr; /* screen: number of lines scrolled */
1092 int prev_ncol, /* screen: previous number of columns */
1093 prev_nrow; /* screen: previous number of rows */
1094 /* ---------- */
1095 rend_t rstyle;
1096 /* ---------- */
1097 #ifdef SELECTION_SCROLLING
1098 int scroll_selection_lines;
1099 enum page_dirn scroll_selection_dir;
1100 int selection_save_x,
1101 selection_save_y,
1102 selection_save_state;
1103 #endif
1104 /* ---------- */
1105 int csrO, /* Hops - csr offset in thumb/slider to */
1106 /* give proper Scroll behaviour */
1107 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1108 mouse_slip_wheel_speed,
1109 #endif
1110 refresh_count,
1111 window_vt_x,
1112 window_vt_y,
1113 mouse_row,
1114 mouse_col,
1115 # ifdef POINTER_BLANK
1116 pointerBlankDelay,
1117 # endif
1118 allowedxerror;
1119 /* ---------- */
1120 unsigned int ModLevel3Mask,
1121 ModMetaMask,
1122 ModNumLockMask;
1123 unsigned long priv_modes,
1124 SavedModes;
1125 /* ---------- */
1126 Atom *xa;
1127 /* ---------- */
1128 Time selection_time,
1129 clipboard_time;
1130 rxvt_selection *selection_req;
1131 pid_t cmd_pid; /* process id of child */
1132 /* ---------- */
1133 struct mouse_event MEvent;
1134 XComposeStatus compose;
1135 static struct termios def_tio;
1136 row_col_t oldcursor;
1137 #ifdef HAVE_BG_PIXMAP
1138 void bg_init ();
1139 void bg_destroy ();
1140
1141 enum {
1142 BG_IS_VALID = 1 << 0,
1143
1144 BG_IS_TRANSPARENT = 1 << 1,
1145 BG_NEEDS_REFRESH = 1 << 2,
1146
1147 BG_HAS_RENDER = 1 << 3,
1148 BG_HAS_RENDER_CONV = 1 << 4,
1149 BG_CLIENT_RENDER = 1 << 5,
1150
1151 BG_TINT_SET = 1 << 6,
1152 BG_TINT_BITAND = 1 << 7,
1153 };
1154
1155 uint8_t bg_flags;
1156
1157 # ifdef BG_IMAGE_FROM_FILE
1158 rxvt_image bg_image;
1159 void get_image_geometry (rxvt_image &image, int &w, int &h, int &x, int &y);
1160 bool render_image (rxvt_image &image);
1161 # endif
1162
1163 # ifdef ENABLE_TRANSPARENCY
1164 Pixmap root_pixmap; /* current root pixmap set */
1165 rxvt_color tint;
1166 int shade;
1167 int h_blurRadius, v_blurRadius;
1168
1169 void bg_set_transparent ()
1170 {
1171 bg_flags |= BG_IS_TRANSPARENT;
1172 }
1173 void bg_set_root_pixmap ();
1174 bool bg_set_tint (rxvt_color &new_tint);
1175 bool bg_set_shade (const char *shade_str);
1176 bool bg_set_blur (const char *geom);
1177
1178 bool blur_pixmap (Pixmap pixmap, int width, int height);
1179 bool tint_pixmap (Pixmap pixmap, int width, int height);
1180 void tint_ximage (XImage *ximage);
1181 bool make_transparency_pixmap ();
1182 # endif
1183
1184 ev_tstamp bg_valid_since;
1185
1186 Pixmap bg_pixmap;
1187 unsigned int bg_pmap_width, bg_pmap_height;
1188
1189 int target_x;
1190 int target_y;
1191 bool bg_set_position (int x, int y);
1192 bool bg_window_size_sensitive ();
1193 bool bg_window_position_sensitive ();
1194
1195 bool bg_render ();
1196 void bg_invalidate ()
1197 {
1198 bg_flags &= ~BG_IS_VALID;
1199 }
1200 #endif
1201 #ifdef HAVE_PIXBUF
1202 bool pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
1203 int src_x, int src_y, int dst_x, int dst_y,
1204 unsigned int width, unsigned int height);
1205 #endif
1206
1207 #if ENABLE_OVERLAY
1208 overlay_base ov;
1209
1210 void scr_swap_overlay () NOTHROW;
1211 void scr_overlay_new (int x, int y, int w, int h) NOTHROW;
1212 void scr_overlay_off () NOTHROW;
1213 void scr_overlay_set (int x, int y,
1214 text_t text,
1215 rend_t rend = OVERLAY_RSTYLE) NOTHROW;
1216 void scr_overlay_set (int x, int y, const char *s) NOTHROW;
1217 void scr_overlay_set (int x, int y, const wchar_t *s) NOTHROW;
1218 #endif
1219
1220 vector<void *> allocated; // free these memory blocks with free()
1221
1222 char *locale;
1223 char charsets[4];
1224 char *v_buffer; /* pointer to physical buffer */
1225 unsigned int v_buflen; /* size of area to write */
1226 stringvec *argv, *envv; /* if != 0, will be freed at destroy time */
1227
1228 #ifdef KEYSYM_RESOURCE
1229 keyboard_manager *keyboard;
1230 #endif
1231 #ifndef NO_RESOURCES
1232 XrmDatabase option_db;
1233 #endif
1234
1235 const char *rs[NUM_RESOURCES];
1236 /* command input buffering */
1237 char *cmdbuf_ptr, *cmdbuf_endp;
1238 char cmdbuf_base[CBUFSIZ];
1239
1240 ptytty *pty;
1241
1242 rxvt_salloc *talloc; // text line allocator
1243 rxvt_salloc *ralloc; // rend line allocator
1244
1245 static vector<rxvt_term *> termlist; // a vector of all running rxvt_term's
1246
1247 #if ENABLE_FRILLS || ISO_14755
1248 // ISO 14755 entry support
1249 unicode_t iso14755buf;
1250 void commit_iso14755 ();
1251 # if ISO_14755
1252 void iso14755_51 (unicode_t ch, rend_t r = DEFAULT_RSTYLE, int x = 0, int y = -1);
1253 void iso14755_54 (int x, int y);
1254 # endif
1255 #endif
1256
1257 long vt_emask, vt_emask_perl, vt_emask_xim, vt_emask_mouse;
1258
1259 void vt_select_input () const NOTHROW
1260 {
1261 XSelectInput (dpy, vt, vt_emask | vt_emask_perl | vt_emask_xim | vt_emask_mouse);
1262 }
1263
1264 #if ENABLE_TRANSPARENCY || ENABLE_PERL
1265 void rootwin_cb (XEvent &xev);
1266 xevent_watcher rootwin_ev;
1267 #endif
1268 #ifdef HAVE_BG_PIXMAP
1269 void update_background ();
1270 void update_background_cb (ev::timer &w, int revents);
1271 ev::timer update_background_ev;
1272 #endif
1273
1274 void x_cb (XEvent &xev);
1275 xevent_watcher termwin_ev;
1276 xevent_watcher vt_ev;
1277 xevent_watcher scrollbar_ev;
1278
1279 void child_cb (ev::child &w, int revents); ev::child child_ev;
1280 void destroy_cb (ev::idle &w, int revents); ev::idle destroy_ev;
1281 void refresh_check ();
1282 void flush ();
1283 void flush_cb (ev::timer &w, int revents); ev::timer flush_ev;
1284 void cmdbuf_reify ();
1285 void cmdbuf_append (const char *str, size_t count);
1286 bool pty_fill ();
1287 void pty_cb (ev::io &w, int revents); ev::io pty_ev;
1288
1289 #ifdef CURSOR_BLINK
1290 void cursor_blink_reset ();
1291 void cursor_blink_cb (ev::timer &w, int revents); ev::timer cursor_blink_ev;
1292 #endif
1293 #ifdef TEXT_BLINK
1294 void text_blink_cb (ev::timer &w, int revents); ev::timer text_blink_ev;
1295 #endif
1296 #ifndef NO_BELL
1297 void bell_cb (ev::timer &w, int revents); ev::timer bell_ev;
1298 #endif
1299
1300 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1301 void cont_scroll_cb (ev::timer &w, int revents); ev::timer cont_scroll_ev;
1302 #endif
1303 #ifdef SELECTION_SCROLLING
1304 void sel_scroll_cb (ev::timer &w, int revents); ev::timer sel_scroll_ev;
1305 #endif
1306 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1307 void slip_wheel_cb (ev::timer &w, int revents); ev::timer slip_wheel_ev;
1308 #endif
1309
1310 #ifdef POINTER_BLANK
1311 void pointer_cb (ev::timer &w, int revents); ev::timer pointer_ev;
1312 void pointer_blank ();
1313 #endif
1314 void pointer_unblank ();
1315
1316 void tt_printf (const char *fmt,...);
1317 void tt_write (const char *data, unsigned int len);
1318 void pty_write ();
1319
1320 void make_current () const // make this the "currently active" urxvt instance
1321 {
1322 SET_R (this);
1323 set_environ (envv);
1324 rxvt_set_locale (locale);
1325 }
1326
1327 #if USE_XIM
1328 rxvt_xim *input_method;
1329 XIC Input_Context;
1330 XIMStyle input_style;
1331 XPoint spot; // most recently sent spot position
1332
1333 void im_destroy ();
1334 void im_cb (); im_watcher im_ev;
1335 void im_set_size (XRectangle &size);
1336 void im_set_position (XPoint &pos) NOTHROW;
1337 void im_set_color (unsigned long &fg, unsigned long &bg);
1338 void im_set_preedit_area (XRectangle &preedit_rect, XRectangle &status_rect, const XRectangle &needed_rect);
1339
1340 bool im_is_running ();
1341 void im_send_spot ();
1342 bool im_get_ic (const char *modifiers);
1343 void im_set_position ();
1344 #endif
1345
1346 // command.C
1347 void key_press (XKeyEvent &ev);
1348 void key_release (XKeyEvent &ev);
1349
1350 wchar_t next_char () NOTHROW;
1351 wchar_t cmd_getc () THROW ((class out_of_input));
1352 uint32_t next_octet () NOTHROW;
1353 uint32_t cmd_get8 () THROW ((class out_of_input));
1354
1355 void cmd_parse ();
1356 void mouse_report (XButtonEvent &ev);
1357 void button_press (XButtonEvent &ev);
1358 void button_release (XButtonEvent &ev);
1359 void focus_in ();
1360 void focus_out ();
1361 #if ENABLE_FRILLS
1362 void set_urgency (bool enable);
1363 #else
1364 void set_urgency (bool enable) { }
1365 #endif
1366 void update_fade_color (unsigned int idx);
1367 #ifdef PRINTPIPE
1368 FILE *popen_printer ();
1369 int pclose_printer (FILE *stream);
1370 #endif
1371 void process_print_pipe ();
1372 void process_nonprinting (unicode_t ch);
1373 void process_escape_vt52 (unicode_t ch);
1374 void process_escape_seq ();
1375 void process_csi_seq ();
1376 void process_window_ops (const int *args, unsigned int nargs);
1377 char *get_to_st (unicode_t &ends_how);
1378 void process_dcs_seq ();
1379 void process_osc_seq ();
1380 void process_color_seq (int report, int color, const char *str, char resp);
1381 void process_xterm_seq (int op, char *str, char resp);
1382 int privcases (int mode, unsigned long bit);
1383 void process_terminal_mode (int mode, int priv, unsigned int nargs, const int *arg);
1384 void process_sgr_mode (unsigned int nargs, const int *arg);
1385 // init.C
1386 void init (stringvec *argv, stringvec *envv);
1387 void init (int argc, const char *const *argv, const char *const *envv);
1388 void init2 (int argc, const char *const *argv);
1389 void init_vars ();
1390 const char **init_resources (int argc, const char *const *argv);
1391 void init_env ();
1392 void set_locale (const char *locale);
1393 void init_xlocale ();
1394 void init_command (const char *const *argv);
1395 void run_command (const char *const *argv);
1396 int run_child (const char *const *argv);
1397 void color_aliases (int idx);
1398 void create_windows (int argc, const char *const *argv);
1399 void get_colours ();
1400 void get_ourmods ();
1401 void set_icon (const char *file);
1402 // main.C
1403 void tt_winch ();
1404 rxvt_term ();
1405 ~rxvt_term ();
1406 void destroy ();
1407 void emergency_cleanup ();
1408 void recolour_cursor ();
1409 void resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent);
1410 void window_calc (unsigned int newwidth, unsigned int newheight);
1411 bool set_fonts ();
1412 void set_string_property (Atom prop, const char *str, int len = -1);
1413 void set_mbstring_property (Atom prop, const char *str, int len = -1);
1414 void set_utf8_property (Atom prop, const char *str, int len = -1);
1415 void set_title (const char *str);
1416 void set_icon_name (const char *str);
1417 void set_window_color (int idx, const char *color);
1418 char *get_colorfgbg ();
1419 bool set_color (rxvt_color &color, const char *name);
1420 void alias_color (int dst, int src);
1421 void set_widthheight (unsigned int newwidth, unsigned int newheight);
1422 void get_window_origin (int &x, int &y);
1423 Pixmap get_pixmap_property (Atom property);
1424
1425 // screen.C
1426
1427 void lalloc (line_t &l) const
1428 {
1429 l.t = (text_t *)talloc->alloc ();
1430 l.r = (rend_t *)ralloc->alloc ();
1431 }
1432
1433 #if 0
1434 void lfree (line_t &l)
1435 {
1436 talloc->free (l.t);
1437 ralloc->free (l.r);
1438 }
1439 #endif
1440
1441 void lresize (line_t &l) const
1442 {
1443 if (!l.t)
1444 return;
1445
1446 l.t = (text_t *)talloc->alloc (l.t, prev_ncol * sizeof (text_t));
1447 l.r = (rend_t *)ralloc->alloc (l.r, prev_ncol * sizeof (rend_t));
1448
1449 l.l = min (l.l, ncol);
1450
1451 if (ncol > prev_ncol)
1452 scr_blank_line (l, prev_ncol, ncol - prev_ncol, DEFAULT_RSTYLE);
1453 }
1454
1455 int fgcolor_of (rend_t r) const NOTHROW
1456 {
1457 int base = GET_BASEFG (r);
1458 #ifndef NO_BRIGHTCOLOR
1459 if (r & RS_Bold
1460 # if ENABLE_STYLES
1461 && option (Opt_intensityStyles)
1462 # endif
1463 && IN_RANGE_EXC (base, minCOLOR, minBrightCOLOR))
1464 base += minBrightCOLOR - minCOLOR;
1465 #endif
1466 return base;
1467 }
1468
1469 int bgcolor_of (rend_t r) const NOTHROW
1470 {
1471 int base = GET_BASEBG (r);
1472 #ifndef NO_BRIGHTCOLOR
1473 if (r & RS_Blink
1474 # if ENABLE_STYLES
1475 && option (Opt_intensityStyles)
1476 # endif
1477 && IN_RANGE_EXC (base, minCOLOR, minBrightCOLOR))
1478 base += minBrightCOLOR - minCOLOR;
1479 #endif
1480 return base;
1481 }
1482
1483 bool option (uint8_t opt) const NOTHROW
1484 {
1485 return options[opt >> 3] & (1 << (opt & 7));
1486 }
1487
1488 void set_option (uint8_t opt, bool set = true) NOTHROW;
1489
1490 // modifies first argument(!)
1491 void tt_paste (char *data, unsigned int len) NOTHROW;
1492 void paste (char *data, unsigned int len) NOTHROW;
1493 void scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const NOTHROW;
1494 void scr_blank_screen_mem (line_t &l, rend_t efs) const NOTHROW;
1495 void scr_kill_char (line_t &l, int col) const NOTHROW;
1496 int scr_scroll_text (int row1, int row2, int count) NOTHROW;
1497 void scr_reset ();
1498 void scr_release () NOTHROW;
1499 void scr_clear (bool really = false) NOTHROW;
1500 void scr_refresh () NOTHROW;
1501 bool scr_refresh_rend (rend_t mask, rend_t value) NOTHROW;
1502 void scr_erase_screen (int mode) NOTHROW;
1503 #if ENABLE_FRILLS
1504 void scr_erase_savelines () NOTHROW;
1505 void scr_backindex () NOTHROW;
1506 void scr_forwardindex () NOTHROW;
1507 #endif
1508 void scr_touch (bool refresh) NOTHROW;
1509 void scr_expose (int x, int y, int width, int height, bool refresh) NOTHROW;
1510 void scr_recolour (bool refresh = true) NOTHROW;
1511 void scr_remap_chars () NOTHROW;
1512 void scr_remap_chars (line_t &l) NOTHROW;
1513
1514 enum cursor_mode { SAVE, RESTORE };
1515
1516 void scr_poweron ();
1517 void scr_soft_reset () NOTHROW;
1518 void scr_cursor (cursor_mode mode) NOTHROW;
1519 void scr_do_wrap () NOTHROW;
1520 void scr_swap_screen () NOTHROW;
1521 void scr_change_screen (int scrn);
1522 void scr_color (unsigned int color, int fgbg) NOTHROW;
1523 void scr_rendition (int set, int style) NOTHROW;
1524 void scr_add_lines (const wchar_t *str, int len, int minlines = 0) NOTHROW;
1525 void scr_backspace () NOTHROW;
1526 void scr_tab (int count, bool ht = false) NOTHROW;
1527 void scr_gotorc (int row, int col, int relative) NOTHROW;
1528 void scr_index (enum page_dirn direction) NOTHROW;
1529 void scr_erase_line (int mode) NOTHROW;
1530 void scr_E () NOTHROW;
1531 void scr_insdel_lines (int count, int insdel) NOTHROW;
1532 void scr_insdel_chars (int count, int insdel) NOTHROW;
1533 void scr_scroll_region (int top, int bot) NOTHROW;
1534 void scr_cursor_visible (int mode) NOTHROW;
1535 void scr_autowrap (int mode) NOTHROW;
1536 void scr_relative_origin (int mode) NOTHROW;
1537 void scr_insert_mode (int mode) NOTHROW;
1538 void scr_set_tab (int mode) NOTHROW;
1539 void scr_rvideo_mode (bool on) NOTHROW;
1540 void scr_report_position () NOTHROW;
1541 void set_font_style () NOTHROW;
1542 void scr_charset_choose (int set) NOTHROW;
1543 void scr_charset_set (int set, unsigned int ch) NOTHROW;
1544 void scr_move_to (int y, int len) NOTHROW;
1545 bool scr_page (enum page_dirn direction, int nlines) NOTHROW;
1546 bool scr_changeview (int new_view_start) NOTHROW;
1547 void scr_bell () NOTHROW;
1548 void scr_printscreen (int fullhist) NOTHROW;
1549 void scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) NOTHROW;
1550 void scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) NOTHROW;
1551 void scr_reverse_selection () NOTHROW;
1552 void scr_dump (int fd) NOTHROW;
1553
1554 void selection_check (int check_more) NOTHROW;
1555 void selection_request (Time tm, int selnum = Sel_Primary) NOTHROW;
1556 void selection_clear (bool clipboard = false) NOTHROW;
1557 void selection_make (Time tm);
1558 bool selection_grab (Time tm, bool clipboard = false) NOTHROW;
1559 void selection_start_colrow (int col, int row) NOTHROW;
1560 void selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW;
1561 void selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW;
1562 void selection_remove_trailing_spaces () NOTHROW;
1563 void selection_send (const XSelectionRequestEvent &rq) NOTHROW;
1564 void selection_click (int clicks, int x, int y) NOTHROW;
1565 void selection_extend (int x, int y, int flag) NOTHROW;
1566 void selection_rotate (int x, int y) NOTHROW;
1567
1568 // xdefaults.C
1569 const char **get_options (int argc, const char *const *argv);
1570 int parse_keysym (const char *str, const char *arg);
1571 const char *x_resource (const char *name);
1572 void extract_resources ();
1573 void extract_keysym_resources ();
1574 };
1575
1576 #endif /* _RXVT_H_ */
1577