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/cvs/rxvt-unicode/src/rxvt.h
Revision: 1.475
Committed: Thu May 17 10:18:32 2012 UTC (12 years, 1 month ago) by sf-exg
Content type: text/plain
Branch: MAIN
Changes since 1.474: +65 -31 lines
Log Message:
Refactor code to manage images from files into a new rxvt_image object,
so as to be able to load 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 "encoding.h"
84 #include "rxvtutil.h"
85 #include "rxvtfont.h"
86 #include "rxvttoolkit.h"
87 #include "scrollbar.h"
88 #include "ev_cpp.h"
89 #include "salloc.h"
90 #include "libptytty.h"
91
92 #include "rxvtperl.h"
93
94 // try to avoid some macros to decrease code size, on some systems
95 #if ENABLE_MINIMAL
96 # define strcmp(a,b) (strcmp)(a,b)
97 # define strlen(a) (strlen)(a)
98 # define strcpy(a,b) (strcpy)(a,b)
99 # define memset(a,c,l) (memset)(a,c,l)
100 # define memcpy(a,b,l) (memcpy)(a,b,l)
101 #endif
102
103 /*
104 *****************************************************************************
105 * SYSTEM HACKS
106 *****************************************************************************
107 */
108
109 #include <termios.h>
110
111 #ifndef STDIN_FILENO
112 # define STDIN_FILENO 0
113 # define STDOUT_FILENO 1
114 # define STDERR_FILENO 2
115 #endif
116
117 #ifndef EXIT_SUCCESS /* missing from <stdlib.h> */
118 # define EXIT_SUCCESS 0 /* exit function success */
119 # define EXIT_FAILURE 1 /* exit function failure */
120 #endif
121
122 /****************************************************************************/
123
124 // exception thrown on fatal (per-instance) errors
125 class rxvt_failure_exception { };
126
127 // exception thrown when the command parser runs out of input data
128 class out_of_input { };
129
130 /*
131 *****************************************************************************
132 * PROTOTYPES
133 *****************************************************************************
134 */
135 // main.C
136 #define SET_LOCALE(locale) rxvt_set_locale (locale)
137 extern bool rxvt_set_locale (const char *locale) NOTHROW;
138 extern void rxvt_push_locale (const char *locale) NOTHROW;
139 extern void rxvt_pop_locale () NOTHROW;
140 void rxvt_init ();
141
142 // misc.C
143 char * rxvt_wcstombs (const wchar_t *str, int len = -1);
144 wchar_t * rxvt_mbstowcs (const char *str, int len = -1);
145 char * rxvt_wcstoutf8 (const wchar_t *str, int len = -1);
146 wchar_t * rxvt_utf8towcs (const char *str, int len = -1);
147
148 const char * rxvt_basename (const char *str) NOTHROW;
149 void rxvt_vlog (const char *fmt, va_list arg_ptr) NOTHROW;
150 void rxvt_log (const char *fmt,...) NOTHROW;
151 void rxvt_warn (const char *fmt,...) NOTHROW;
152 void rxvt_fatal (const char *fmt, ...) THROW ((class rxvt_failure_exception)) ecb_noreturn;
153 void rxvt_exit_failure () THROW ((class rxvt_failure_exception)) ecb_noreturn;
154
155 char * rxvt_strtrim (char *str) NOTHROW;
156 char ** rxvt_strsplit (char delim, const char *str) NOTHROW;
157
158 static inline void
159 rxvt_free_strsplit (char **ptr) NOTHROW
160 {
161 free (ptr[0]);
162 free (ptr);
163 }
164
165 void * rxvt_malloc (size_t size);
166 void * rxvt_calloc (size_t number, size_t size);
167 void * rxvt_realloc (void *ptr, size_t size);
168
169 /////////////////////////////////////////////////////////////////////////////
170
171 // temporarily replace the process environment
172 extern char **environ;
173 extern char **rxvt_environ; // the original environ pointer
174
175 static inline void
176 set_environ (stringvec *envv)
177 {
178 #if ENABLE_PERL
179 assert (envv);
180 #else
181 if (envv)
182 #endif
183 environ = (char **)envv->begin ();
184 }
185
186 static inline void
187 set_environ (char **envv)
188 {
189 #if ENABLE_PERL
190 assert (envv);
191 #else
192 if (envv)
193 #endif
194 environ = envv;
195 }
196
197 struct localise_env
198 {
199 char **orig_env;
200
201 localise_env (char **new_env)
202 {
203 orig_env = environ;
204 environ = new_env;
205 }
206
207 ~localise_env ()
208 {
209 environ = orig_env;
210 }
211 };
212
213 #ifdef HAVE_BG_PIXMAP
214 # ifdef BG_IMAGE_FROM_FILE
215 enum {
216 IM_IS_SET = 1 << 0,
217 IM_IS_SIZE_SENSITIVE = 1 << 1,
218 IM_KEEP_ASPECT = 1 << 2,
219 IM_ROOT_ALIGN = 1 << 3,
220 IM_TILE = 1 << 4,
221 IM_GEOMETRY_FLAGS = IM_KEEP_ASPECT | IM_ROOT_ALIGN | IM_TILE,
222 };
223
224 enum {
225 noScale = 0,
226 windowScale = 100,
227 defaultScale = windowScale,
228 centerAlign = 50,
229 defaultAlign = centerAlign,
230 };
231
232 struct rxvt_image
233 {
234 uint8_t flags;
235 unsigned int h_scale, v_scale; /* percents of the window size */
236 int h_align, v_align; /* percents of the window size:
237 0 - left align, 50 - center, 100 - right */
238
239 # ifdef HAVE_PIXBUF
240 GdkPixbuf *pixbuf;
241 # endif
242
243 ~rxvt_image ()
244 {
245 # ifdef HAVE_PIXBUF
246 if (pixbuf)
247 g_object_unref (pixbuf);
248 # endif
249 }
250
251 int width ()
252 {
253 # ifdef HAVE_PIXBUF
254 return gdk_pixbuf_get_width (pixbuf);
255 # endif
256 }
257 int height ()
258 {
259 # ifdef HAVE_PIXBUF
260 return gdk_pixbuf_get_height (pixbuf);
261 # endif
262 }
263 bool set_file (const char *file);
264 bool set_geometry (const char *geom, bool update = false);
265 void set_default_geometry ()
266 {
267 h_scale = v_scale = defaultScale;
268 h_align = v_align = defaultAlign;
269 flags |= IM_IS_SIZE_SENSITIVE;
270 }
271 };
272 # endif
273 #endif
274
275 /*
276 *****************************************************************************
277 * STRUCTURES AND TYPEDEFS
278 *****************************************************************************
279 */
280
281 /*
282 * the 'essential' information for reporting Mouse Events
283 * pared down from XButtonEvent
284 */
285 struct mouse_event
286 {
287 int clicks;
288 Time time; /* milliseconds */
289 unsigned int state; /* key or button mask */
290 unsigned int button; /* detail */
291 };
292
293 #if ENABLE_XEMBED
294 // XEMBED messages
295 # define XEMBED_EMBEDDED_NOTIFY 0
296 # define XEMBED_WINDOW_ACTIVATE 1
297 # define XEMBED_WINDOW_DEACTIVATE 2
298 # define XEMBED_REQUEST_FOCUS 3
299 # define XEMBED_FOCUS_IN 4
300 # define XEMBED_FOCUS_OUT 5
301 # define XEMBED_FOCUS_NEXT 6
302 # define XEMBED_FOCUS_PREV 7
303
304 # define XEMBED_MODALITY_ON 10
305 # define XEMBED_MODALITY_OFF 11
306 # define XEMBED_REGISTER_ACCELERATOR 12
307 # define XEMBED_UNREGISTER_ACCELERATOR 13
308 # define XEMBED_ACTIVATE_ACCELERATOR 14
309
310 // XEMBED detail code
311 # define XEMBED_FOCUS_CURRENT 0
312 # define XEMBED_FOCUS_FIRST 1
313 # define XEMBED_FOCUS_LAST 2
314
315 # define XEMBED_MAPPED (1 << 0)
316 #endif
317
318 /*
319 *****************************************************************************
320 * NORMAL DEFINES
321 *****************************************************************************
322 */
323
324 /* COLORTERM, TERM environment variables */
325 #define COLORTERMENV "rxvt"
326 #ifdef BG_IMAGE_FROM_FILE
327 # define COLORTERMENVFULL COLORTERMENV "-xpm"
328 #else
329 # define COLORTERMENVFULL COLORTERMENV
330 #endif
331 #ifndef TERMENV
332 # if USE_256_COLORS
333 # define TERMENV "rxvt-unicode-256color"
334 # else
335 # define TERMENV "rxvt-unicode"
336 # endif
337 #endif
338
339 #if defined (NO_MOUSE_REPORT) && !defined (NO_MOUSE_REPORT_SCROLLBAR)
340 # define NO_MOUSE_REPORT_SCROLLBAR 1
341 #endif
342
343 #define scrollBar_esc 30
344
345 #if !defined (RXVT_SCROLLBAR) && !defined (NEXT_SCROLLBAR)
346 # define NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING 1
347 #endif
348
349 enum {
350 NO_REFRESH = 0, /* Window not visible at all! */
351 FAST_REFRESH = 1, /* Fully exposed window */
352 SLOW_REFRESH = 2, /* Partially exposed window */
353 };
354
355 #ifdef NO_SECONDARY_SCREEN
356 # define NSCREENS 0
357 #else
358 # define NSCREENS 1
359 #endif
360
361 /* flags for rxvt_term::scr_gotorc () */
362 enum {
363 C_RELATIVE = 1, /* col movement is relative */
364 R_RELATIVE = 2, /* row movement is relative */
365 RELATIVE = C_RELATIVE | R_RELATIVE,
366 };
367
368 /* modes for rxvt_term::scr_insdel_chars (), rxvt_term::scr_insdel_lines () */
369 enum {
370 INSERT = -1, /* don't change these values */
371 DELETE = +1,
372 ERASE = +2,
373 };
374
375 /* modes for rxvt_term::scr_page () - scroll page. used by scrollbar window */
376 enum page_dirn {
377 UP,
378 DN,
379 NO_DIR,
380 };
381
382 /* arguments for rxvt_term::scr_change_screen () */
383 enum {
384 PRIMARY = 0,
385 SECONDARY,
386 };
387
388 // define various rendition bits and masks. the rendition word
389 // is 32 bits in size, and we should use it as efficiently as possible
390
391 #define RS_None 0
392
393 // GET_BGATTR depends on RS_fgShift > RS_bgShift
394 #define RS_colorMask ((1UL << Color_Bits) - 1UL)
395 #define RS_bgShift 0
396 #define RS_fgShift (RS_bgShift + Color_Bits)
397 #define RS_bgMask (RS_colorMask << RS_bgShift)
398 #define RS_fgMask (RS_colorMask << RS_fgShift)
399
400 // must have space for rxvt_fontset::fontCount * 2 + 2 values
401 #define RS_fontShift (RS_fgShift + Color_Bits)
402 #define RS_Careful (1UL << RS_fontShift) /* be careful when drawing these */
403 #define RS_fontCount rxvt_fontset::fontCount
404 #define RS_fontMask ((RS_fontCount << (RS_fontShift + 1)) | RS_Careful) // includes RS_Careful
405
406 // toggle this to force redraw, must be != RS_Careful and otherwise "pretty neutral"
407 #define RS_redraw (2UL << RS_fontShift)
408
409 #define RS_Sel (1UL << 22)
410
411 // 4 custom bits for extensions
412 #define RS_customCount 16UL
413 #define RS_customShift 23
414 #define RS_customMask ((RS_customCount - 1UL) << RS_customShift)
415
416 // font styles
417 #define RS_Bold (1UL << RS_styleShift)
418 #define RS_Italic (2UL << RS_styleShift)
419
420 #define RS_styleCount 4
421 #define RS_styleShift 27
422 #define RS_styleMask (RS_Bold | RS_Italic)
423
424 // fake styles
425 #define RS_Blink (1UL << 29)
426 #define RS_RVid (1UL << 30) // reverse video
427 #define RS_Uline (1UL << 31) // underline
428
429 #define RS_baseattrMask (RS_Italic | RS_Bold | RS_Blink | RS_RVid | RS_Uline)
430 #define RS_attrMask (RS_baseattrMask | RS_fontMask)
431
432 #define DEFAULT_RSTYLE (RS_None | (Color_fg << RS_fgShift) | (Color_bg << RS_bgShift))
433 #define OVERLAY_RSTYLE (RS_None | (Color_Black << RS_fgShift) | (Color_Yellow << RS_bgShift))
434
435 enum {
436 C0_NUL = 0x00,
437 C0_SOH, C0_STX, C0_ETX, C0_EOT, C0_ENQ, C0_ACK, C0_BEL,
438 C0_BS , C0_HT , C0_LF , C0_VT , C0_FF , C0_CR , C0_SO , C0_SI ,
439 C0_DLE, C0_DC1, C0_DC2, D0_DC3, C0_DC4, C0_NAK, C0_SYN, C0_ETB,
440 C0_CAN, C0_EM , C0_SUB, C0_ESC, C0_IS4, C0_IS3, C0_IS2, C0_IS1,
441 };
442 #define CHAR_ST 0x9c /* 0234 */
443
444 /*
445 * XTerm Operating System Commands: ESC ] Ps;Pt (ST|BEL)
446 * colour extensions by Christian W. Zuckschwerdt <zany@triq.net>
447 */
448 enum {
449 XTerm_name = 0,
450 XTerm_iconName = 1,
451 XTerm_title = 2,
452 XTerm_property = 3, // change X property
453 XTerm_Color = 4, // change colors
454 XTerm_Color00 = 10, // change fg color
455 XTerm_Color01 = 11, // change bg color
456 XTerm_Color_cursor = 12, // change actual 'Cursor' color
457 XTerm_Color_pointer_fg = 13, // change actual 'Pointer' fg color
458 XTerm_Color_pointer_bg = 14, // change actual 'Pointer' bg color
459 XTerm_Color05 = 15, // not implemented (tektronix fg)
460 XTerm_Color06 = 16, // not implemented (tektronix bg)
461 XTerm_Color_HC = 17, // change actual 'Highlight' bg color
462 XTerm_Color_HTC = 19, // change actual 'Highlight' fg color
463 XTerm_logfile = 46, // not implemented
464 XTerm_font = 50,
465
466 XTerm_konsole30 = 30, // reserved for konsole
467 XTerm_konsole31 = 31, // reserved for konsole
468 XTerm_emacs51 = 51, // reserved for emacs shell
469 /*
470 * rxvt extensions of XTerm OSCs: ESC ] Ps;Pt (ST|BEL)
471 */
472
473 // deprecated
474 Rxvt_restoreFG = 39,
475 Rxvt_restoreBG = 49,
476
477 Rxvt_Pixmap = 20, // new bg pixmap
478 Rxvt_dumpscreen = 55, // dump scrollback and all of screen
479
480 URxvt_locale = 701, // change locale
481 URxvt_version = 702, // request version
482
483 URxvt_Color_IT = 704, // change actual 'Italic' colour
484 URxvt_Color_tint = 705, // change actual tint colour
485 URxvt_Color_BD = 706, // change actual 'Bold' color
486 URxvt_Color_UL = 707, // change actual 'Underline' color
487 URxvt_Color_border = 708,
488
489 URxvt_font = 710,
490 URxvt_boldFont = 711,
491 URxvt_italicFont = 712,
492 URxvt_boldItalicFont = 713,
493
494 URxvt_view_up = 720,
495 URxvt_view_down = 721,
496
497 URxvt_perl = 777, // for use by perl extensions, starts with "extension-name;"
498 };
499
500 /* Words starting with `Color_' are colours. Others are counts */
501 /*
502 * The PixColor and rendition colour usage should probably be decoupled
503 * on the unnecessary items, e.g. Color_pointer, but won't bother
504 * until we need to. Also, be aware of usage in pixcolor_set
505 */
506
507 enum colour_list {
508 Color_none = -2,
509 Color_transparent = -1,
510 Color_fg = 0,
511 Color_bg,
512 minCOLOR, /* 2 */
513 Color_Black = minCOLOR,
514 Color_Red3,
515 Color_Green3,
516 Color_Yellow3,
517 Color_Blue3,
518 Color_Magenta3,
519 Color_Cyan3,
520 maxCOLOR, /* minCOLOR + 7 */
521 #ifndef NO_BRIGHTCOLOR
522 Color_AntiqueWhite = maxCOLOR,
523 minBrightCOLOR, /* maxCOLOR + 1 */
524 Color_Grey25 = minBrightCOLOR,
525 Color_Red,
526 Color_Green,
527 Color_Yellow,
528 Color_Blue,
529 Color_Magenta,
530 Color_Cyan,
531 maxBrightCOLOR, /* minBrightCOLOR + 7 */
532 Color_White = maxBrightCOLOR,
533 #else
534 Color_White = maxCOLOR,
535 #endif
536 minTermCOLOR = Color_White + 1,
537 #if USE_256_COLORS
538 maxTermCOLOR = Color_White + 240,
539 #else
540 maxTermCOLOR = Color_White + 72,
541 #endif
542 #ifndef NO_CURSORCOLOR
543 Color_cursor,
544 Color_cursor2,
545 #endif
546 Color_pointer_fg,
547 Color_pointer_bg,
548 Color_border,
549 #ifndef NO_BOLD_UNDERLINE_REVERSE
550 Color_BD,
551 Color_IT,
552 Color_UL,
553 Color_RV,
554 #endif
555 #if ENABLE_FRILLS
556 Color_underline,
557 #endif
558 #ifdef OPTION_HC
559 Color_HC,
560 Color_HTC,
561 #endif
562 Color_scroll,
563 #ifdef RXVT_SCROLLBAR
564 Color_trough,
565 #endif
566 #if ENABLE_TRANSPARENCY
567 Color_tint,
568 #endif
569 #if OFF_FOCUS_FADING
570 Color_fade,
571 #endif
572 NRS_COLORS, /* */
573 #ifdef RXVT_SCROLLBAR
574 Color_topShadow = NRS_COLORS,
575 Color_bottomShadow,
576 TOTAL_COLORS
577 #else
578 TOTAL_COLORS = NRS_COLORS
579 #endif
580 };
581
582 #if USE_256_COLORS
583 # define Color_Bits 9 // 0 .. maxTermCOLOR
584 #else
585 # define Color_Bits 7 // 0 .. maxTermCOLOR
586 #endif
587
588 /*
589 * Resource list
590 */
591 enum {
592 # define def(name) Rs_ ## name,
593 # define reserve(name,count) Rs_ ## name ## _ = Rs_ ## name + (count) - 1,
594 # include "rsinc.h"
595 # undef def
596 # undef reserve
597 NUM_RESOURCES
598 };
599
600 /* DEC private modes */
601 #define PrivMode_132 (1UL<<0)
602 #define PrivMode_132OK (1UL<<1)
603 #define PrivMode_rVideo (1UL<<2)
604 #define PrivMode_relOrigin (1UL<<3)
605 #define PrivMode_Screen (1UL<<4)
606 #define PrivMode_Autowrap (1UL<<5)
607 #define PrivMode_aplCUR (1UL<<6)
608 #define PrivMode_aplKP (1UL<<7)
609 #define PrivMode_HaveBackSpace (1UL<<8)
610 #define PrivMode_BackSpace (1UL<<9)
611 #define PrivMode_ShiftKeys (1UL<<10)
612 #define PrivMode_VisibleCursor (1UL<<11)
613 #define PrivMode_MouseX10 (1UL<<12)
614 #define PrivMode_MouseX11 (1UL<<13)
615 #define PrivMode_scrollBar (1UL<<14)
616 #define PrivMode_TtyOutputInh (1UL<<15)
617 #define PrivMode_Keypress (1UL<<16)
618 #define PrivMode_smoothScroll (1UL<<17)
619 #define PrivMode_vt52 (1UL<<18)
620 #define PrivMode_LFNL (1UL<<19)
621 #define PrivMode_MouseBtnEvent (1UL<<20)
622 #define PrivMode_MouseAnyEvent (1UL<<21)
623 #define PrivMode_BracketPaste (1UL<<22)
624 #define PrivMode_ExtModeMouse (1UL<<23) // xterm pseudo-utf-8 hack
625 #define PrivMode_ExtMouseRight (1UL<<24) // xterm pseudo-utf-8, but works in non-utf-8-locales
626
627 #define PrivMode_mouse_report (PrivMode_MouseX10|PrivMode_MouseX11|PrivMode_MouseBtnEvent|PrivMode_MouseAnyEvent)
628
629 #ifdef ALLOW_132_MODE
630 # define PrivMode_Default (PrivMode_Autowrap|PrivMode_ShiftKeys|PrivMode_VisibleCursor|PrivMode_132OK)
631 #else
632 # define PrivMode_Default (PrivMode_Autowrap|PrivMode_ShiftKeys|PrivMode_VisibleCursor)
633 #endif
634
635 // do not change these constants lightly, there are many interdependencies
636 #define IMBUFSIZ 128 // input modifier buffer sizes
637 #define KBUFSZ 512 // size of keyboard mapping buffer
638 #define CBUFSIZ 2048 // size of command buffer
639 #define CBUFCNT 8 // never call pty_fill/cmd_parse more than this often in a row
640 #define UBUFSIZ 2048 // character buffer
641
642 #if ENABLE_FRILLS
643 # include <X11/Xmd.h>
644 typedef struct _mwmhints
645 {
646 CARD32 flags;
647 CARD32 functions;
648 CARD32 decorations;
649 INT32 input_mode;
650 CARD32 status;
651 } MWMHints;
652 #endif
653
654 /* Motif window hints */
655 #define MWM_HINTS_FUNCTIONS (1L << 0)
656 #define MWM_HINTS_DECORATIONS (1L << 1)
657 #define MWM_HINTS_INPUT_MODE (1L << 2)
658 #define MWM_HINTS_STATUS (1L << 3)
659 /* bit definitions for MwmHints.functions */
660 #define MWM_FUNC_ALL (1L << 0)
661 #define MWM_FUNC_RESIZE (1L << 1)
662 #define MWM_FUNC_MOVE (1L << 2)
663 #define MWM_FUNC_MINIMIZE (1L << 3)
664 #define MWM_FUNC_MAXIMIZE (1L << 4)
665 #define MWM_FUNC_CLOSE (1L << 5)
666 /* bit definitions for MwmHints.decorations */
667 #define MWM_DECOR_ALL (1L << 0)
668 #define MWM_DECOR_BORDER (1L << 1)
669 #define MWM_DECOR_RESIZEH (1L << 2)
670 #define MWM_DECOR_TITLE (1L << 3)
671 #define MWM_DECOR_MENU (1L << 4)
672 #define MWM_DECOR_MINIMIZE (1L << 5)
673 #define MWM_DECOR_MAXIMIZE (1L << 6)
674 /* bit definitions for MwmHints.inputMode */
675 #define MWM_INPUT_MODELESS 0
676 #define MWM_INPUT_PRIMARY_APPLICATION_MODAL 1
677 #define MWM_INPUT_SYSTEM_MODAL 2
678 #define MWM_INPUT_FULL_APPLICATION_MODAL 3
679 #define PROP_MWM_HINTS_ELEMENTS 5
680
681 /*
682 *****************************************************************************
683 * MACRO DEFINES
684 *****************************************************************************
685 */
686
687 // speed hack, copy some member variable into a local variable of the same name
688 #define dLocal(type,name) type const name = this->name
689
690 // for speed reasons, we assume that all codepoints 32 to 126 are
691 // single-width.
692 #define WCWIDTH(c) (IN_RANGE_INC (c, 0x20, 0x7e) ? 1 : wcwidth (c))
693
694 /* convert pixel dimensions to row/column values. Everything as int32_t */
695 #define Pixel2Col(x) Pixel2Width((int32_t)(x))
696 #define Pixel2Row(y) Pixel2Height((int32_t)(y))
697 #define Pixel2Width(x) ((int32_t)(x) / (int32_t)fwidth)
698 #define Pixel2Height(y) ((int32_t)(y) / (int32_t)fheight)
699 #define Col2Pixel(col) ((int32_t)Width2Pixel(col))
700 #define Row2Pixel(row) ((int32_t)Height2Pixel(row))
701 #define Width2Pixel(n) ((int32_t)(n) * (int32_t)fwidth)
702 #define Height2Pixel(n) ((int32_t)(n) * (int32_t)fheight)
703
704 #define LINENO_of(t,n) MOD ((t)->term_start + int(n), (t)->total_rows)
705 #define ROW_of(t,n) (t)->row_buf [LINENO_of ((t), n)]
706
707 #define LINENO(n) LINENO_of (this, n)
708 #define ROW(n) ROW_of (this, n)
709
710 /* how to build & extract colors and attributes */
711 #define GET_BASEFG(x) (((x) & RS_fgMask) >> RS_fgShift)
712 #define GET_BASEBG(x) (((x) & RS_bgMask) >> RS_bgShift)
713
714 #define GET_FONT(x) (((x) & RS_fontMask) >> RS_fontShift)
715 #define SET_FONT(x,fid) (((x) & ~RS_fontMask) | ((fid) << RS_fontShift))
716
717 #define GET_STYLE(x) (((x) & RS_styleMask) >> RS_styleShift)
718 #define SET_STYLE(x,style) (((x) & ~RS_styleMask) | ((style) << RS_styleShift))
719
720 #define GET_ATTR(x) (((x) & RS_attrMask))
721 // return attributes defining the background, encoding doesn't matter
722 // depends on RS_fgShift > RS_bgShift
723 #define GET_BGATTR(x) \
724 (ecb_unlikely ((x) & RS_RVid) \
725 ? (((x) & (RS_attrMask & ~RS_RVid)) \
726 | (((x) & RS_fgMask) >> (RS_fgShift - RS_bgShift))) \
727 : ((x) & (RS_attrMask | RS_bgMask)))
728 #define SET_FGCOLOR(x,fg) (((x) & ~RS_fgMask) | ((fg) << RS_fgShift))
729 #define SET_BGCOLOR(x,bg) (((x) & ~RS_bgMask) | ((bg) << RS_bgShift))
730 #define SET_ATTR(x,a) (((x) & ~RS_attrMask) | (a))
731
732 #define RS_SAME(a,b) (!(((a) ^ (b)) & ~RS_Careful))
733
734 #define PIXCOLOR_NAME(idx) rs[Rs_color + (idx)]
735 #define ISSET_PIXCOLOR(idx) (!!rs[Rs_color + (idx)])
736
737 #if ENABLE_STYLES
738 # define FONTSET_of(t,style) (t)->fontset[GET_STYLE (style)]
739 #else
740 # define FONTSET_of(t,style) (t)->fontset[0]
741 #endif
742
743 #define FONTSET(style) FONTSET_of (this, style)
744
745 typedef callback<void (const char *)> log_callback;
746 typedef callback<int (int)> getfd_callback;
747
748 /****************************************************************************/
749
750 #define LINE_LONGER 0x0001 // line is continued on the next row
751 #define LINE_FILTERED 0x0002 // line has been filtered
752 #define LINE_COMPRESSED 0x0004 // line has been compressed (NYI)
753 #define LINE_FILTER 0x0008 // line needs to be filtered before display (NYI)
754 #define LINE_BIDI 0x0010 // line needs bidi (NYI)
755
756 struct line_t
757 {
758 text_t *t; // terminal the text
759 rend_t *r; // rendition, uses RS_ flags
760 tlen_t_ l; // length of each text line
761 uint32_t f; // flags
762
763 bool is_longer ()
764 {
765 return f & LINE_LONGER;
766 }
767
768 void is_longer (int set)
769 {
770 if (set)
771 f |= LINE_LONGER;
772 else
773 f &= ~LINE_LONGER;
774 }
775
776 void clear ()
777 {
778 t = 0;
779 r = 0;
780 l = 0;
781 f = 0;
782 }
783
784 void touch () // call whenever a line is changed/touched/updated
785 {
786 #if ENABLE_PERL
787 f &= ~LINE_FILTERED;
788 #endif
789 }
790
791 void touch (int col)
792 {
793 max_it (l, col);
794 touch ();
795 }
796 };
797
798 /****************************************************************************/
799
800 // primitive wrapper around mbstate_t to ensure initialisation
801 struct mbstate
802 {
803 mbstate_t mbs;
804
805 operator mbstate_t *() { return &mbs; }
806 void reset () { memset (&mbs, 0, sizeof (mbs)); }
807 mbstate () { reset (); }
808 };
809
810 /****************************************************************************/
811
812 #define UNICODE_MASK 0x1fffffUL
813
814 #if UNICODE_3
815 # define COMPOSE_LO 0x40000000UL
816 # define COMPOSE_HI 0x400fffffUL
817 # define IS_COMPOSE(n) ((int32_t)(n) >= COMPOSE_LO)
818 #else
819 # if ENABLE_PERL
820 # define COMPOSE_LO 0xe000UL // our _own_ functions don't like (illegal) surrogates
821 # define COMPOSE_HI 0xf8ffUL // in utf-8, so use private use area only
822 # else
823 # define COMPOSE_LO 0xd800UL
824 # define COMPOSE_HI 0xf8ffUL
825 # endif
826 # define IS_COMPOSE(n) IN_RANGE_INC ((n), COMPOSE_LO, COMPOSE_HI)
827 #endif
828
829 #if ENABLE_COMBINING
830 // compose chars are used to represent composite characters
831 // that are not representable in unicode, as well as characters
832 // not fitting in the BMP.
833 struct compose_char
834 {
835 unicode_t c1, c2; // any chars != NOCHAR are valid
836 compose_char (unicode_t c1, unicode_t c2)
837 : c1(c1), c2(c2)
838 { }
839 };
840
841 class rxvt_composite_vec
842 {
843 vector<compose_char> v;
844 public:
845 text_t compose (unicode_t c1, unicode_t c2 = NOCHAR);
846 int expand (unicode_t c, wchar_t *r);
847 compose_char *operator [](text_t c)
848 {
849 return c >= COMPOSE_LO && c < COMPOSE_LO + v.size ()
850 ? &v[c - COMPOSE_LO]
851 : 0;
852 }
853 };
854
855 extern class rxvt_composite_vec rxvt_composite;
856 #endif
857
858 /****************************************************************************/
859
860 #ifdef KEYSYM_RESOURCE
861 class keyboard_manager;
862 #endif
863
864 typedef struct rxvt_term *rxvt_t;
865
866 extern rxvt_t rxvt_current_term;
867
868 #define SET_R(r) rxvt_current_term = const_cast<rxvt_term *>(r)
869 #define GET_R rxvt_current_term
870
871 /* ------------------------------------------------------------------------- */
872 struct overlay_base
873 {
874 int x, y, w, h; // overlay dimensions
875 text_t **text;
876 rend_t **rend;
877
878 // while tempting to add swap() etc. here, it effectively only increases code size
879 };
880
881 /* ------------------------------------------------------------------------- */
882
883 typedef struct
884 {
885 int row;
886 int col;
887 } row_col_t;
888
889 /*
890 * terminal limits:
891 *
892 * width : 1 <= width
893 * height : 1 <= height
894 * ncol : 1 <= ncol <= MAX(tlen_t)
895 * nrow : 1 <= nrow <= MAX(int)
896 * saveLines : 0 <= saveLines <= MAX(int)
897 * term_start : 0 <= term_start < saveLines
898 * total_rows : nrow + saveLines
899 *
900 * top_row : -saveLines <= top_row <= 0
901 * view_start : top_row <= view_start <= 0
902 *
903 * | most coordinates are stored relative to term_start,
904 * ROW_BUF | which is the first line of the terminal screen
905 * |························= row_buf[0]
906 * |························= row_buf[1]
907 * |························= row_buf[2] etc.
908 * |
909 * +------------+···········= term_start + top_row
910 * | scrollback |
911 * | scrollback +---------+·= term_start + view_start
912 * | scrollback | display |
913 * | scrollback | display |
914 * +------------+·display·+·= term_start
915 * | terminal | display |
916 * | terminal +---------+
917 * | terminal |
918 * | terminal |
919 * +------------+···········= term_start + nrow - 1
920 * |
921 * |
922 * END······················= total_rows
923 */
924
925 struct TermWin_t
926 {
927 int vt_width; /* actual window width [pixels] */
928 int vt_height; /* actual window height [pixels] */
929 int width; /* window width [pixels] */
930 int height; /* window height [pixels] */
931 int fwidth; /* font width [pixels] */
932 int fheight; /* font height [pixels] */
933 int fbase; /* font ascent (baseline) [pixels] */
934 int ncol; /* window columns [characters] */
935 int nrow; /* window rows [characters] */
936 int focus; /* window has focus */
937 int mapped; /* window state mapped? */
938 int int_bwidth; /* internal border width */
939 int ext_bwidth; /* external border width */
940 int lineSpace; /* number of extra pixels between rows */
941 int letterSpace; /* number of extra pixels between columns */
942 int saveLines; /* number of lines that fit in scrollback */
943 int total_rows; /* total number of rows in this terminal */
944 int term_start; /* term lines start here */
945 int view_start; /* scrollback view starts here */
946 int top_row; /* topmost row index of scrollback */
947 Window parent; /* parent identifier */
948 Window vt; /* vt100 window */
949 GC gc; /* GC for drawing */
950 rxvt_drawable *drawable;
951 rxvt_fontset *fontset[4];
952 };
953
954 /*
955 * screen accounting:
956 * screen_t elements
957 * row: Cursor row position : 0 <= row < nrow
958 * col: Cursor column position : 0 <= col < ncol
959 * tscroll: Scrolling region top row inclusive : 0 <= row < nrow
960 * bscroll: Scrolling region bottom row inclusive : 0 <= row < nrow
961 *
962 * selection_t elements
963 * clicks: 1, 2 or 3 clicks - 4 indicates a special condition of 1 where
964 * nothing is selected
965 * beg: row/column of beginning of selection : never past mark
966 * mark: row/column of initial click : never past end
967 * end: row/column of one character past end of selection
968 * * Note: top_row <= beg.row <= mark.row <= end.row < nrow
969 * * Note: col == -1 ==> we're left of screen
970 *
971 */
972 struct screen_t
973 {
974 row_col_t cur; /* cursor position on the screen */
975 int tscroll; /* top of settable scroll region */
976 int bscroll; /* bottom of settable scroll region */
977 unsigned int charset; /* character set number [0..3] */
978 unsigned int flags; /* see below */
979 row_col_t s_cur; /* saved cursor position */
980 unsigned int s_charset; /* saved character set number [0..3] */
981 char s_charset_char;
982 rend_t s_rstyle; /* saved rendition style */
983 };
984
985 enum selection_op_t
986 {
987 SELECTION_CLEAR = 0, /* nothing selected */
988 SELECTION_INIT, /* marked a point */
989 SELECTION_BEGIN, /* started a selection */
990 SELECTION_CONT, /* continued selection */
991 SELECTION_DONE /* selection put in CUT_BUFFER0 */
992 };
993
994 struct selection_t
995 {
996 wchar_t *text; /* selected text */
997 unsigned int len; /* length of selected text */
998 unsigned int screen; /* screen being used */
999 unsigned int clicks; /* number of clicks */
1000 selection_op_t op; /* current operation */
1001 bool rect; /* rectangular selection? */
1002 row_col_t beg; /* beginning of selection <= mark */
1003 row_col_t mark; /* point of initial click <= end */
1004 row_col_t end; /* one character past end point */
1005 wchar_t *clip_text; /* text copied to the clipboard */
1006 unsigned int clip_len; /* length of clipboard text */
1007 };
1008
1009 /* ------------------------------------------------------------------------- */
1010
1011 /* screen_t flags */
1012 #define Screen_Relative (1<<0) /* relative origin mode flag */
1013 #define Screen_VisibleCursor (1<<1) /* cursor visible? */
1014 #define Screen_Autowrap (1<<2) /* auto-wrap flag */
1015 #define Screen_Insert (1<<3) /* insert mode (vs. overstrike) */
1016 #define Screen_WrapNext (1<<4) /* need to wrap for next char? */
1017 #define Screen_DefaultFlags (Screen_VisibleCursor | Screen_Autowrap)
1018
1019 /* rxvt_vars.options */
1020 enum {
1021 # define def(name) Opt_ ## name,
1022 # define nodef(name) Opt_prev_ ## name, Opt_ ## name = 0, Opt_next_ ## name = Opt_prev_ ## name - 1,
1023 Opt_0,
1024 # include "optinc.h"
1025 # undef nodef
1026 # undef def
1027 Opt_count
1028 };
1029
1030 /* ------------------------------------------------------------------------- */
1031
1032 struct rxvt_vars : TermWin_t
1033 {
1034 scrollBar_t scrollBar;
1035 uint8_t options[(Opt_count + 7) >> 3];
1036 XSizeHints szHint;
1037 rxvt_color *pix_colors;
1038 Cursor TermWin_cursor; /* cursor for vt window */
1039 line_t *row_buf; // all lines, scrollback + terminal, circular
1040 line_t *drawn_buf; // text on screen
1041 line_t *swap_buf; // lines for swap buffer
1042 char *tabs; /* per location: 1 == tab-stop */
1043 screen_t screen;
1044 screen_t swap;
1045 selection_t selection;
1046 rxvt_color pix_colors_focused[TOTAL_COLORS];
1047 #ifdef OFF_FOCUS_FADING
1048 rxvt_color pix_colors_unfocused[TOTAL_COLORS];
1049 #endif
1050 };
1051
1052 struct rxvt_term : zero_initialized, rxvt_vars, rxvt_screen
1053 {
1054
1055 // special markers with magic addresses
1056 static const char resval_undef []; // options specifically unset
1057 static const char resval_on []; // boolean options switched on
1058 static const char resval_off []; // or off
1059
1060 log_callback *log_hook; // log error messages through this hook, if != 0
1061 getfd_callback *getfd_hook; // convert remote to local fd, if != 0
1062 #if ENABLE_PERL
1063 rxvt_perl_term perl;
1064 #endif
1065 struct mbstate mbstate; // current input multibyte state
1066
1067 unsigned char want_refresh:1,
1068 current_screen:1, /* primary or secondary */
1069 num_scr_allow:1,
1070 bypass_keystate:1,
1071 #if ENABLE_FRILLS
1072 urgency_hint:1,
1073 #endif
1074 #if CURSOR_BLINK
1075 hidden_cursor:1,
1076 #endif
1077 #if TEXT_BLINK
1078 hidden_text:1,
1079 #endif
1080 #if POINTER_BLANK
1081 hidden_pointer:1,
1082 #endif
1083 enc_utf8:1, /* whether locale uses utf-8 */
1084 seen_input:1, /* whether we have seen some program output yet */
1085 seen_resize:1, /* whether we had a resize event */
1086 init_done:1,
1087 parsed_geometry:1;
1088
1089 unsigned char refresh_type,
1090 #ifdef META8_OPTION
1091 meta_char; /* Alt-key prefix */
1092 #endif
1093 /* ---------- */
1094 bool rvideo_state, rvideo_mode;
1095 #ifndef NO_BELL
1096 bool rvideo_bell;
1097 #endif
1098 int num_scr; /* screen: number of lines scrolled */
1099 int prev_ncol, /* screen: previous number of columns */
1100 prev_nrow; /* screen: previous number of rows */
1101 /* ---------- */
1102 rend_t rstyle;
1103 /* ---------- */
1104 #ifdef SELECTION_SCROLLING
1105 int scroll_selection_lines;
1106 enum page_dirn scroll_selection_dir;
1107 int selection_save_x,
1108 selection_save_y,
1109 selection_save_state;
1110 #endif
1111 /* ---------- */
1112 int csrO, /* Hops - csr offset in thumb/slider to */
1113 /* give proper Scroll behaviour */
1114 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1115 mouse_slip_wheel_speed,
1116 #endif
1117 refresh_count,
1118 window_vt_x,
1119 window_vt_y,
1120 mouse_row,
1121 mouse_col,
1122 # ifdef POINTER_BLANK
1123 pointerBlankDelay,
1124 # endif
1125 allowedxerror;
1126 /* ---------- */
1127 unsigned int ModLevel3Mask,
1128 ModMetaMask,
1129 ModNumLockMask;
1130 unsigned long priv_modes,
1131 SavedModes;
1132 /* ---------- */
1133 Atom *xa;
1134 /* ---------- */
1135 Time selection_time,
1136 clipboard_time;
1137 rxvt_selection *selection_req;
1138 pid_t cmd_pid; /* process id of child */
1139 /* ---------- */
1140 struct mouse_event MEvent;
1141 XComposeStatus compose;
1142 static struct termios def_tio;
1143 row_col_t oldcursor;
1144 #ifdef HAVE_BG_PIXMAP
1145 void bg_init ();
1146 void bg_destroy ();
1147
1148 enum {
1149 BG_IS_VALID = 1 << 0,
1150
1151 BG_TINT_SET = 1 << 5,
1152 BG_TINT_BITAND = 1 << 6,
1153
1154 BG_HAS_RENDER = 1 << 7,
1155 BG_HAS_RENDER_CONV = 1 << 8,
1156 BG_CLIENT_RENDER = 1 << 9,
1157
1158 BG_IS_TRANSPARENT = 1 << 10,
1159 BG_NEEDS_REFRESH = 1 << 11,
1160 };
1161
1162 unsigned int bg_flags;
1163
1164 # ifdef BG_IMAGE_FROM_FILE
1165 rxvt_image bg_image;
1166 void get_image_geometry (rxvt_image &image, int &w, int &h, int &x, int &y);
1167 bool render_image (rxvt_image &image, bool transparent);
1168 # endif
1169
1170 # ifdef ENABLE_TRANSPARENCY
1171 Pixmap root_pixmap; /* current root pixmap set */
1172 rxvt_color tint;
1173 int shade;
1174 int h_blurRadius, v_blurRadius;
1175
1176 void bg_set_transparent ()
1177 {
1178 bg_flags |= BG_IS_TRANSPARENT;
1179 }
1180 void bg_set_root_pixmap ();
1181 bool bg_set_tint (rxvt_color &new_tint);
1182 bool bg_set_shade (const char *shade_str);
1183 bool bg_set_blur (const char *geom);
1184
1185 bool blur_pixmap (Pixmap pixmap, int width, int height);
1186 bool tint_pixmap (Pixmap pixmap, int width, int height);
1187 void tint_ximage (XImage *ximage);
1188 bool make_transparency_pixmap ();
1189 # endif
1190
1191 ev_tstamp bg_valid_since;
1192
1193 Pixmap bg_pixmap;
1194 unsigned int bg_pmap_width, bg_pmap_height;
1195
1196 int target_x;
1197 int target_y;
1198 bool bg_set_position (int x, int y);
1199 bool bg_window_size_sensitive ();
1200 bool bg_window_position_sensitive ();
1201
1202 bool bg_render ();
1203 void bg_invalidate ()
1204 {
1205 bg_flags &= ~BG_IS_VALID;
1206 }
1207 #endif
1208 #ifdef HAVE_PIXBUF
1209 bool pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
1210 int src_x, int src_y, int dst_x, int dst_y,
1211 unsigned int width, unsigned int height);
1212 #endif
1213
1214 #if ENABLE_OVERLAY
1215 overlay_base ov;
1216
1217 void scr_swap_overlay () NOTHROW;
1218 void scr_overlay_new (int x, int y, int w, int h) NOTHROW;
1219 void scr_overlay_off () NOTHROW;
1220 void scr_overlay_set (int x, int y,
1221 text_t text,
1222 rend_t rend = OVERLAY_RSTYLE) NOTHROW;
1223 void scr_overlay_set (int x, int y, const char *s) NOTHROW;
1224 void scr_overlay_set (int x, int y, const wchar_t *s) NOTHROW;
1225 #endif
1226
1227 vector<void *> allocated; // free these memory blocks with free()
1228
1229 char *locale;
1230 char charsets[4];
1231 char *v_buffer; /* pointer to physical buffer */
1232 unsigned int v_buflen; /* size of area to write */
1233 stringvec *argv, *envv; /* if != 0, will be freed at destroy time */
1234
1235 #ifdef KEYSYM_RESOURCE
1236 keyboard_manager *keyboard;
1237 #endif
1238 #ifndef NO_RESOURCES
1239 XrmDatabase option_db;
1240 #endif
1241
1242 const char *rs[NUM_RESOURCES];
1243 /* command input buffering */
1244 char *cmdbuf_ptr, *cmdbuf_endp;
1245 char cmdbuf_base[CBUFSIZ];
1246
1247 ptytty *pty;
1248
1249 rxvt_salloc *talloc; // text line allocator
1250 rxvt_salloc *ralloc; // rend line allocator
1251
1252 static vector<rxvt_term *> termlist; // a vector of all running rxvt_term's
1253
1254 #if ENABLE_FRILLS || ISO_14755
1255 // ISO 14755 entry support
1256 unicode_t iso14755buf;
1257 void commit_iso14755 ();
1258 # if ISO_14755
1259 void iso14755_51 (unicode_t ch, rend_t r = DEFAULT_RSTYLE, int x = 0, int y = -1);
1260 void iso14755_54 (int x, int y);
1261 # endif
1262 #endif
1263
1264 long vt_emask, vt_emask_perl, vt_emask_xim, vt_emask_mouse;
1265
1266 void vt_select_input () const NOTHROW
1267 {
1268 XSelectInput (dpy, vt, vt_emask | vt_emask_perl | vt_emask_xim | vt_emask_mouse);
1269 }
1270
1271 #if ENABLE_TRANSPARENCY || ENABLE_PERL
1272 void rootwin_cb (XEvent &xev);
1273 xevent_watcher rootwin_ev;
1274 #endif
1275 #ifdef HAVE_BG_PIXMAP
1276 void update_background ();
1277 void update_background_cb (ev::timer &w, int revents);
1278 ev::timer update_background_ev;
1279 #endif
1280
1281 void x_cb (XEvent &xev);
1282 xevent_watcher termwin_ev;
1283 xevent_watcher vt_ev;
1284 xevent_watcher scrollbar_ev;
1285
1286 void child_cb (ev::child &w, int revents); ev::child child_ev;
1287 void destroy_cb (ev::idle &w, int revents); ev::idle destroy_ev;
1288 void refresh_check ();
1289 void flush ();
1290 void flush_cb (ev::timer &w, int revents); ev::timer flush_ev;
1291 void cmdbuf_reify ();
1292 void cmdbuf_append (const char *str, size_t count);
1293 bool pty_fill ();
1294 void pty_cb (ev::io &w, int revents); ev::io pty_ev;
1295
1296 #ifdef CURSOR_BLINK
1297 void cursor_blink_reset ();
1298 void cursor_blink_cb (ev::timer &w, int revents); ev::timer cursor_blink_ev;
1299 #endif
1300 #ifdef TEXT_BLINK
1301 void text_blink_cb (ev::timer &w, int revents); ev::timer text_blink_ev;
1302 #endif
1303 #ifndef NO_BELL
1304 void bell_cb (ev::timer &w, int revents); ev::timer bell_ev;
1305 #endif
1306
1307 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1308 void cont_scroll_cb (ev::timer &w, int revents); ev::timer cont_scroll_ev;
1309 #endif
1310 #ifdef SELECTION_SCROLLING
1311 void sel_scroll_cb (ev::timer &w, int revents); ev::timer sel_scroll_ev;
1312 #endif
1313 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1314 void slip_wheel_cb (ev::timer &w, int revents); ev::timer slip_wheel_ev;
1315 #endif
1316
1317 #ifdef POINTER_BLANK
1318 void pointer_cb (ev::timer &w, int revents); ev::timer pointer_ev;
1319 void pointer_blank ();
1320 #endif
1321 void pointer_unblank ();
1322
1323 void tt_printf (const char *fmt,...);
1324 void tt_write (const char *data, unsigned int len);
1325 void pty_write ();
1326
1327 void make_current () const // make this the "currently active" urxvt instance
1328 {
1329 SET_R (this);
1330 set_environ (envv);
1331 rxvt_set_locale (locale);
1332 }
1333
1334 #if USE_XIM
1335 rxvt_xim *input_method;
1336 XIC Input_Context;
1337 XIMStyle input_style;
1338 XPoint spot; // most recently sent spot position
1339
1340 void im_destroy ();
1341 void im_cb (); im_watcher im_ev;
1342 void im_set_size (XRectangle &size);
1343 void im_set_position (XPoint &pos) NOTHROW;
1344 void im_set_color (unsigned long &fg, unsigned long &bg);
1345 void im_set_preedit_area (XRectangle &preedit_rect, XRectangle &status_rect, const XRectangle &needed_rect);
1346
1347 bool im_is_running ();
1348 void im_send_spot ();
1349 bool im_get_ic (const char *modifiers);
1350 void im_set_position ();
1351 #endif
1352
1353 // command.C
1354 void key_press (XKeyEvent &ev);
1355 void key_release (XKeyEvent &ev);
1356
1357 wchar_t next_char () NOTHROW;
1358 wchar_t cmd_getc () THROW ((class out_of_input));
1359 uint32_t next_octet () NOTHROW;
1360 uint32_t cmd_get8 () THROW ((class out_of_input));
1361
1362 void cmd_parse ();
1363 void mouse_report (XButtonEvent &ev);
1364 void button_press (XButtonEvent &ev);
1365 void button_release (XButtonEvent &ev);
1366 void focus_in ();
1367 void focus_out ();
1368 #if ENABLE_FRILLS
1369 void set_urgency (bool enable);
1370 #else
1371 void set_urgency (bool enable) { }
1372 #endif
1373 void update_fade_color (unsigned int idx);
1374 #ifdef PRINTPIPE
1375 FILE *popen_printer ();
1376 int pclose_printer (FILE *stream);
1377 #endif
1378 void process_print_pipe ();
1379 void process_nonprinting (unicode_t ch);
1380 void process_escape_vt52 (unicode_t ch);
1381 void process_escape_seq ();
1382 void process_csi_seq ();
1383 void process_window_ops (const int *args, unsigned int nargs);
1384 char *get_to_st (unicode_t &ends_how);
1385 void process_dcs_seq ();
1386 void process_osc_seq ();
1387 void process_color_seq (int report, int color, const char *str, char resp);
1388 void process_xterm_seq (int op, char *str, char resp);
1389 int privcases (int mode, unsigned long bit);
1390 void process_terminal_mode (int mode, int priv, unsigned int nargs, const int *arg);
1391 void process_sgr_mode (unsigned int nargs, const int *arg);
1392 // init.C
1393 void init (stringvec *argv, stringvec *envv);
1394 void init (int argc, const char *const *argv, const char *const *envv);
1395 void init2 (int argc, const char *const *argv);
1396 void init_vars ();
1397 const char **init_resources (int argc, const char *const *argv);
1398 void init_env ();
1399 void set_locale (const char *locale);
1400 void init_xlocale ();
1401 void init_command (const char *const *argv);
1402 void run_command (const char *const *argv);
1403 int run_child (const char *const *argv);
1404 void color_aliases (int idx);
1405 void create_windows (int argc, const char *const *argv);
1406 void get_colours ();
1407 void get_ourmods ();
1408 void set_icon (const char *file);
1409 // main.C
1410 void tt_winch ();
1411 rxvt_term ();
1412 ~rxvt_term ();
1413 void destroy ();
1414 void emergency_cleanup ();
1415 void recolour_cursor ();
1416 void resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent);
1417 void window_calc (unsigned int newwidth, unsigned int newheight);
1418 bool set_fonts ();
1419 void set_string_property (Atom prop, const char *str, int len = -1);
1420 void set_mbstring_property (Atom prop, const char *str, int len = -1);
1421 void set_utf8_property (Atom prop, const char *str, int len = -1);
1422 void set_title (const char *str);
1423 void set_icon_name (const char *str);
1424 void set_window_color (int idx, const char *color);
1425 char *get_colorfgbg ();
1426 bool set_color (rxvt_color &color, const char *name);
1427 void alias_color (int dst, int src);
1428 void set_widthheight (unsigned int newwidth, unsigned int newheight);
1429 void get_window_origin (int &x, int &y);
1430 Pixmap get_pixmap_property (Atom property);
1431
1432 // screen.C
1433
1434 void lalloc (line_t &l) const
1435 {
1436 l.t = (text_t *)talloc->alloc ();
1437 l.r = (rend_t *)ralloc->alloc ();
1438 }
1439
1440 #if 0
1441 void lfree (line_t &l)
1442 {
1443 talloc->free (l.t);
1444 ralloc->free (l.r);
1445 }
1446 #endif
1447
1448 void lresize (line_t &l) const
1449 {
1450 if (!l.t)
1451 return;
1452
1453 l.t = (text_t *)talloc->alloc (l.t, prev_ncol * sizeof (text_t));
1454 l.r = (rend_t *)ralloc->alloc (l.r, prev_ncol * sizeof (rend_t));
1455
1456 l.l = min (l.l, ncol);
1457
1458 if (ncol > prev_ncol)
1459 scr_blank_line (l, prev_ncol, ncol - prev_ncol, DEFAULT_RSTYLE);
1460 }
1461
1462 int fgcolor_of (rend_t r) const NOTHROW
1463 {
1464 int base = GET_BASEFG (r);
1465 #ifndef NO_BRIGHTCOLOR
1466 if (r & RS_Bold
1467 # if ENABLE_STYLES
1468 && option (Opt_intensityStyles)
1469 # endif
1470 && IN_RANGE_EXC (base, minCOLOR, minBrightCOLOR))
1471 base += minBrightCOLOR - minCOLOR;
1472 #endif
1473 return base;
1474 }
1475
1476 int bgcolor_of (rend_t r) const NOTHROW
1477 {
1478 int base = GET_BASEBG (r);
1479 #ifndef NO_BRIGHTCOLOR
1480 if (r & RS_Blink
1481 # if ENABLE_STYLES
1482 && option (Opt_intensityStyles)
1483 # endif
1484 && IN_RANGE_EXC (base, minCOLOR, minBrightCOLOR))
1485 base += minBrightCOLOR - minCOLOR;
1486 #endif
1487 return base;
1488 }
1489
1490 bool option (uint8_t opt) const NOTHROW
1491 {
1492 return options[opt >> 3] & (1 << (opt & 7));
1493 }
1494
1495 void set_option (uint8_t opt, bool set = true) NOTHROW;
1496
1497 // modifies first argument(!)
1498 void tt_paste (char *data, unsigned int len) NOTHROW;
1499 void paste (char *data, unsigned int len) NOTHROW;
1500 void scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const NOTHROW;
1501 void scr_blank_screen_mem (line_t &l, rend_t efs) const NOTHROW;
1502 void scr_kill_char (line_t &l, int col) const NOTHROW;
1503 int scr_scroll_text (int row1, int row2, int count) NOTHROW;
1504 void scr_reset ();
1505 void scr_release () NOTHROW;
1506 void scr_clear (bool really = false) NOTHROW;
1507 void scr_refresh () NOTHROW;
1508 bool scr_refresh_rend (rend_t mask, rend_t value) NOTHROW;
1509 void scr_erase_screen (int mode) NOTHROW;
1510 #if ENABLE_FRILLS
1511 void scr_erase_savelines () NOTHROW;
1512 void scr_backindex () NOTHROW;
1513 void scr_forwardindex () NOTHROW;
1514 #endif
1515 void scr_touch (bool refresh) NOTHROW;
1516 void scr_expose (int x, int y, int width, int height, bool refresh) NOTHROW;
1517 void scr_recolour (bool refresh = true) NOTHROW;
1518 void scr_remap_chars () NOTHROW;
1519 void scr_remap_chars (line_t &l) NOTHROW;
1520
1521 enum cursor_mode { SAVE, RESTORE };
1522
1523 void scr_poweron ();
1524 void scr_soft_reset () NOTHROW;
1525 void scr_cursor (cursor_mode mode) NOTHROW;
1526 void scr_do_wrap () NOTHROW;
1527 void scr_swap_screen () NOTHROW;
1528 void scr_change_screen (int scrn);
1529 void scr_color (unsigned int color, int fgbg) NOTHROW;
1530 void scr_rendition (int set, int style) NOTHROW;
1531 void scr_add_lines (const wchar_t *str, int len, int minlines = 0) NOTHROW;
1532 void scr_backspace () NOTHROW;
1533 void scr_tab (int count, bool ht = false) NOTHROW;
1534 void scr_gotorc (int row, int col, int relative) NOTHROW;
1535 void scr_index (enum page_dirn direction) NOTHROW;
1536 void scr_erase_line (int mode) NOTHROW;
1537 void scr_E () NOTHROW;
1538 void scr_insdel_lines (int count, int insdel) NOTHROW;
1539 void scr_insdel_chars (int count, int insdel) NOTHROW;
1540 void scr_scroll_region (int top, int bot) NOTHROW;
1541 void scr_cursor_visible (int mode) NOTHROW;
1542 void scr_autowrap (int mode) NOTHROW;
1543 void scr_relative_origin (int mode) NOTHROW;
1544 void scr_insert_mode (int mode) NOTHROW;
1545 void scr_set_tab (int mode) NOTHROW;
1546 void scr_rvideo_mode (bool on) NOTHROW;
1547 void scr_report_position () NOTHROW;
1548 void set_font_style () NOTHROW;
1549 void scr_charset_choose (int set) NOTHROW;
1550 void scr_charset_set (int set, unsigned int ch) NOTHROW;
1551 void scr_move_to (int y, int len) NOTHROW;
1552 bool scr_page (enum page_dirn direction, int nlines) NOTHROW;
1553 bool scr_changeview (int new_view_start) NOTHROW;
1554 void scr_bell () NOTHROW;
1555 void scr_printscreen (int fullhist) NOTHROW;
1556 void scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) NOTHROW;
1557 void scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) NOTHROW;
1558 void scr_reverse_selection () NOTHROW;
1559 void scr_dump (int fd) NOTHROW;
1560
1561 void selection_check (int check_more) NOTHROW;
1562 void selection_request (Time tm, int selnum = Sel_Primary) NOTHROW;
1563 void selection_clear (bool clipboard = false) NOTHROW;
1564 void selection_make (Time tm);
1565 bool selection_grab (Time tm, bool clipboard = false) NOTHROW;
1566 void selection_start_colrow (int col, int row) NOTHROW;
1567 void selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW;
1568 void selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW;
1569 void selection_remove_trailing_spaces () NOTHROW;
1570 void selection_send (const XSelectionRequestEvent &rq) NOTHROW;
1571 void selection_click (int clicks, int x, int y) NOTHROW;
1572 void selection_extend (int x, int y, int flag) NOTHROW;
1573 void selection_rotate (int x, int y) NOTHROW;
1574
1575 // xdefaults.C
1576 const char **get_options (int argc, const char *const *argv);
1577 int parse_keysym (const char *str, const char *arg);
1578 const char *x_resource (const char *name);
1579 void extract_resources ();
1580 void extract_keysym_resources ();
1581 };
1582
1583 #endif /* _RXVT_H_ */
1584