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/cvs/rxvt-unicode/src/rxvt.h
Revision: 1.485
Committed: Fri May 25 09:27:35 2012 UTC (12 years, 1 month ago) by sf-exg
Content type: text/plain
Branch: MAIN
Changes since 1.484: +7 -1 lines
Log Message:
Revert back to manual deallocation for pixbufs.

There is no simple way to use auto_ptr with custom deallocators.

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