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/cvs/cvsroot/rxvt-unicode/src/rxvt.h
Revision: 1.484
Committed: Fri May 25 08:27:47 2012 UTC (12 years, 1 month ago) by sf-exg
Content type: text/plain
Branch: MAIN
Changes since 1.483: +12 -8 lines
Log Message:
First cut at adding support for multiple images.

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