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Comparing rxvt-unicode/src/rxvt.h (file contents):
Revision 1.316 by ayin, Wed Oct 31 09:55:23 2007 UTC vs.
Revision 1.342 by ayin, Sat Dec 29 12:03:39 2007 UTC

1#ifndef RXVT_H_ /* include once only */ 1#ifndef RXVT_H_ /* include once only */
2#define RXVT_H_ 2#define RXVT_H_
3 3
4#include "rxvtlib.h" 4#include <cstdio>
5#include <cctype>
6#include <cerrno>
7#include <cstdarg>
8#include <cstdlib>
9#ifdef HAVE_STDINT_H
10#include <stdint.h>
11#endif
12#include <sys/types.h>
13#include <unistd.h>
14#include <cstring>
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_CWCHAR
24# include <cwchar>
25#elif HAVE_WCHAR_H
26# include <wchar.h>
27#else
28// stdlib.h might provide it
29#endif
30
31using namespace std;
32
33extern "C" {
34#include <X11/Xlib.h>
35#include <X11/Xutil.h>
36#include <X11/Xresource.h>
37}
38
39#if UNICODE_3
40typedef uint32_t text_t;
41#else
42typedef uint16_t text_t; // saves lots of memory
43#endif
44typedef uint32_t rend_t;
45typedef int32_t tlen_t; // was int16_t, but this results in smaller code and memory use
46typedef int32_t tlen_t_; // specifically for use in the line_t structure
5 47
6#include "feature.h" 48#include "feature.h"
7 49
8#if defined (ISO_14755) || defined (ENABLE_PERL) 50#if defined (ISO_14755) || defined (ENABLE_PERL)
9# define ENABLE_OVERLAY 1 51# define ENABLE_OVERLAY 1
… …
18# define ENABLE_XEMBED 1 60# define ENABLE_XEMBED 1
19# define ENABLE_EWMH 1 61# define ENABLE_EWMH 1
20# define ENABLE_XIM_ONTHESPOT 1 62# define ENABLE_XIM_ONTHESPOT 1
21# define CURSOR_BLINK 1 63# define CURSOR_BLINK 1
22# define OPTION_HC 1 64# define OPTION_HC 1
65# define BUILTIN_GLYPHS 1
23#else 66#else
24# define ENABLE_MINIMAL 1 67# define ENABLE_MINIMAL 1
25#endif 68#endif
26 69
27#include <limits.h> 70#include <limits.h>
28 71
29#include <X11/cursorfont.h> 72#include <X11/cursorfont.h>
30#include <X11/keysym.h> 73#include <X11/keysym.h>
31#include <X11/keysymdef.h> 74#include <X11/keysymdef.h>
32#include <X11/Xatom.h> 75#include <X11/Xatom.h>
33#if ENABLE_FRILLS
34# include <X11/Xmd.h>
35#endif
36 76
37#include "encoding.h" 77#include "encoding.h"
38#include "rxvtutil.h" 78#include "rxvtutil.h"
39#include "rxvtfont.h" 79#include "rxvtfont.h"
40#include "rxvttoolkit.h" 80#include "rxvttoolkit.h"
41#include "iom.h" 81#include "scrollbar.h"
82#include "ev_cpp.h"
42#include "salloc.h" 83#include "salloc.h"
43#include "libptytty.h" 84#include "libptytty.h"
44 85
45#include "rxvtperl.h" 86#include "rxvtperl.h"
46 87
… …
81# define STDIN_FILENO 0 122# define STDIN_FILENO 0
82# define STDOUT_FILENO 1 123# define STDOUT_FILENO 1
83# define STDERR_FILENO 2 124# define STDERR_FILENO 2
84#endif 125#endif
85 126
127#if !defined (EACCESS) && defined(EAGAIN)
128# define EACCESS EAGAIN
129#endif
130
131#ifndef EXIT_SUCCESS /* missing from <stdlib.h> */
132# define EXIT_SUCCESS 0 /* exit function success */
133# define EXIT_FAILURE 1 /* exit function failure */
134#endif
135
136#ifndef PATH_MAX
137# define PATH_MAX 16384
138#endif
139
86/****************************************************************************/ 140/****************************************************************************/
87 141
88// exception thrown on fatal (per-instance) errors 142// exception thrown on fatal (per-instance) errors
89class rxvt_failure_exception { }; 143class rxvt_failure_exception { };
90 144
… …
95 ***************************************************************************** 149 *****************************************************************************
96 * PROTOTYPES 150 * PROTOTYPES
97 ***************************************************************************** 151 *****************************************************************************
98 */ 152 */
99// main.C 153// main.C
100void * rxvt_malloc (size_t size); 154#define SET_LOCALE(locale) rxvt_set_locale (locale)
101void * rxvt_calloc (size_t number, size_t size); 155extern bool rxvt_set_locale (const char *locale) NOTHROW;
102void * rxvt_realloc (void *ptr, size_t size); 156extern void rxvt_push_locale (const char *locale) NOTHROW;
157extern void rxvt_pop_locale () NOTHROW;
158void rxvt_init ();
103 159
104// misc.C 160// misc.C
105char * rxvt_wcstombs (const wchar_t *str, int len = -1); 161char * rxvt_wcstombs (const wchar_t *str, int len = -1);
106wchar_t * rxvt_mbstowcs (const char *str, int len = -1); 162wchar_t * rxvt_mbstowcs (const char *str, int len = -1);
107char * rxvt_wcstoutf8 (const wchar_t *str, int len = -1); 163char * rxvt_wcstoutf8 (const wchar_t *str, int len = -1);
… …
116 172
117char * rxvt_strtrim (char *str) NOTHROW; 173char * rxvt_strtrim (char *str) NOTHROW;
118char ** rxvt_splitcommastring (const char *cs) NOTHROW; 174char ** rxvt_splitcommastring (const char *cs) NOTHROW;
119void rxvt_freecommastring (char **cs) NOTHROW; 175void rxvt_freecommastring (char **cs) NOTHROW;
120 176
177void * rxvt_malloc (size_t size);
178void * rxvt_calloc (size_t number, size_t size);
179void * rxvt_realloc (void *ptr, size_t size);
180
121///////////////////////////////////////////////////////////////////////////// 181/////////////////////////////////////////////////////////////////////////////
122 182
123// temporarily replace the process environment 183// temporarily replace the process environment
124extern char **environ; 184extern char **environ;
125extern char **rxvt_environ; // the original environ pointer 185extern char **rxvt_environ; // the original environ pointer
126 186
187static inline void
127static inline void set_environ (stringvec *envv) 188set_environ (stringvec *envv)
128{ 189{
129#if ENABLE_PERL 190#if ENABLE_PERL
130 assert (envv); 191 assert (envv);
131#else 192#else
132 if (envv) 193 if (envv)
133#endif 194#endif
134 environ = (char **)envv->begin (); 195 environ = (char **)envv->begin ();
135} 196}
136 197
137static inline void set_environ (char **envv) 198static inline void
199set_environ (char **envv)
138{ 200{
139#if ENABLE_PERL 201#if ENABLE_PERL
140 assert (envv); 202 assert (envv);
141#else 203#else
142 if (envv) 204 if (envv)
… …
147/* 209/*
148 ***************************************************************************** 210 *****************************************************************************
149 * STRUCTURES AND TYPEDEFS 211 * STRUCTURES AND TYPEDEFS
150 ***************************************************************************** 212 *****************************************************************************
151 */ 213 */
152struct grwin_t;
153 214
154/* If we're using either the rxvt scrollbar, keep the 215/* If we're using either the rxvt scrollbar, keep the
155 * scrollColor resource. 216 * scrollColor resource.
156 */ 217 */
157#if defined(RXVT_SCROLLBAR) || defined(NEXT_SCROLLBAR) || defined(PLAIN_SCROLLBAR) 218#if defined(RXVT_SCROLLBAR) || defined(NEXT_SCROLLBAR) || defined(PLAIN_SCROLLBAR)
… …
168 int clicks; 229 int clicks;
169 Time time; /* milliseconds */ 230 Time time; /* milliseconds */
170 unsigned int state; /* key or button mask */ 231 unsigned int state; /* key or button mask */
171 unsigned int button; /* detail */ 232 unsigned int button; /* detail */
172}; 233};
173
174#if ENABLE_FRILLS
175typedef struct _mwmhints {
176 CARD32 flags;
177 CARD32 functions;
178 CARD32 decorations;
179 INT32 input_mode;
180 CARD32 status;
181} MWMHints;
182#endif
183 234
184#if ENABLE_XEMBED 235#if ENABLE_XEMBED
185// XEMBED messages 236// XEMBED messages
186# define XEMBED_EMBEDDED_NOTIFY 0 237# define XEMBED_EMBEDDED_NOTIFY 0
187# define XEMBED_WINDOW_ACTIVATE 1 238# define XEMBED_WINDOW_ACTIVATE 1
… …
225 276
226#if defined (NO_MOUSE_REPORT) && !defined (NO_MOUSE_REPORT_SCROLLBAR) 277#if defined (NO_MOUSE_REPORT) && !defined (NO_MOUSE_REPORT_SCROLLBAR)
227# define NO_MOUSE_REPORT_SCROLLBAR 1 278# define NO_MOUSE_REPORT_SCROLLBAR 1
228#endif 279#endif
229 280
230/* now look for other badly set stuff */
231
232#if !defined (EACCESS) && defined(EAGAIN)
233# define EACCESS EAGAIN
234#endif
235
236#ifndef EXIT_SUCCESS /* missing from <stdlib.h> */
237# define EXIT_SUCCESS 0 /* exit function success */
238# define EXIT_FAILURE 1 /* exit function failure */
239#endif
240
241#define scrollBar_esc 30 281#define scrollBar_esc 30
242 282
243#if defined(RXVT_SCROLLBAR) || defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR) || defined(PLAIN_SCROLLBAR) 283#if defined(RXVT_SCROLLBAR) || defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR) || defined(PLAIN_SCROLLBAR)
244# define HAVE_SCROLLBARS 1 284# define HAVE_SCROLLBARS 1
245#endif 285#endif
246
247#define R_SB_ALIGN_CENTRE 0
248#define R_SB_ALIGN_TOP 1
249#define R_SB_ALIGN_BOTTOM 2
250
251#define R_SB_NEXT 1
252#define R_SB_XTERM 2
253#define R_SB_PLAIN 4
254#define R_SB_RXVT 8
255
256#define SB_WIDTH_NEXT 19
257#define SB_WIDTH_XTERM 15
258#define SB_WIDTH_PLAIN 7
259#ifndef SB_WIDTH_RXVT
260# define SB_WIDTH_RXVT 10
261#endif
262
263/*
264 * NeXT scrollbar defines
265 */
266#define SB_PADDING 1
267#define SB_BORDER_WIDTH 1
268#define SB_BEVEL_WIDTH_UPPER_LEFT 1
269#define SB_BEVEL_WIDTH_LOWER_RIGHT 2
270#define SB_LEFT_PADDING (SB_PADDING + SB_BORDER_WIDTH)
271#define SB_MARGIN_SPACE (SB_PADDING * 2)
272#define SB_BUTTON_WIDTH (SB_WIDTH_NEXT - SB_MARGIN_SPACE - SB_BORDER_WIDTH)
273#define SB_BUTTON_HEIGHT (SB_BUTTON_WIDTH)
274#define SB_BUTTON_SINGLE_HEIGHT (SB_BUTTON_HEIGHT + SB_PADDING)
275#define SB_BUTTON_BOTH_HEIGHT (SB_BUTTON_SINGLE_HEIGHT * 2)
276#define SB_BUTTON_TOTAL_HEIGHT (SB_BUTTON_BOTH_HEIGHT + SB_PADDING)
277#define SB_BUTTON_BEVEL_X (SB_LEFT_PADDING)
278#define SB_BUTTON_FACE_X (SB_BUTTON_BEVEL_X + SB_BEVEL_WIDTH_UPPER_LEFT)
279#define SB_THUMB_MIN_HEIGHT (SB_BUTTON_WIDTH - (SB_PADDING * 2))
280 /*
281 * +-------------+
282 * | | <---< SB_PADDING
283 * | ::::::::::: |
284 * | ::::::::::: |
285 * '''''''''''''''''
286 * ,,,,,,,,,,,,,,,,,
287 * | ::::::::::: |
288 * | ::::::::::: |
289 * | +---------------< SB_BEVEL_WIDTH_UPPER_LEFT
290 * | | :::::::: |
291 * | V :::: vv-------< SB_BEVEL_WIDTH_LOWER_RIGHT
292 * | +---------+ |
293 * | | ......%%| |
294 * | | ......%%| |
295 * | | .. ()..%%| |
296 * | | ......%%| |
297 * | | %%%%%%%%| |
298 * | +---------+ | <.........................
299 * | | <---< SB_PADDING :
300 * | +---------+ | <-+.......... :---< SB_BUTTON_TOTAL_HEIGHT
301 * | | ......%%| | | : :
302 * | | ../\..%%| | |---< SB_BUTTON_HEIGHT :
303 * | | %%%%%%%%| | | : :
304 * | +---------+ | <-+ : :
305 * | | : :
306 * | +---------+ | <-+ :---< SB_BUTTON_BOTH_HEIGHT
307 * | | ......%%| | | : :
308 * | | ..\/..%%| | | : :
309 * | | %%%%%%%%| | |---< SB_BUTTON_SINGLE_HEIGHT
310 * | +---------+ | | : :
311 * | | | : :
312 * +-------------+ <-+.........:............:
313 * ^^|_________| :
314 * || | :
315 * || +---< SB_BUTTON_WIDTH
316 * || :
317 * |+------< SB_PADDING
318 * |: :
319 * +----< SB_BORDER_WIDTH
320 * : :
321 * :............:
322 * |
323 * +---< SB_WIDTH_NEXT
324 */
325 286
326enum { 287enum {
327 NO_REFRESH = 0, /* Window not visible at all! */ 288 NO_REFRESH = 0, /* Window not visible at all! */
328 FAST_REFRESH = 1, /* Fully exposed window */ 289 FAST_REFRESH = 1, /* Fully exposed window */
329 SLOW_REFRESH = 2, /* Partially exposed window */ 290 SLOW_REFRESH = 2, /* Partially exposed window */
… …
592#define PrivMode_smoothScroll (1UL<<17) 553#define PrivMode_smoothScroll (1UL<<17)
593#define PrivMode_vt52 (1UL<<18) 554#define PrivMode_vt52 (1UL<<18)
594#define PrivMode_LFNL (1UL<<19) 555#define PrivMode_LFNL (1UL<<19)
595#define PrivMode_MouseBtnEvent (1UL<<20) 556#define PrivMode_MouseBtnEvent (1UL<<20)
596#define PrivMode_MouseAnyEvent (1UL<<21) 557#define PrivMode_MouseAnyEvent (1UL<<21)
597/* too annoying to implement X11 highlight tracking */
598/* #define PrivMode_MouseX11Track (1LU<<20) */
599 558
600#define PrivMode_mouse_report (PrivMode_MouseX10|PrivMode_MouseX11|PrivMode_MouseBtnEvent|PrivMode_MouseAnyEvent) 559#define PrivMode_mouse_report (PrivMode_MouseX10|PrivMode_MouseX11|PrivMode_MouseBtnEvent|PrivMode_MouseAnyEvent)
601 560
602#ifdef ALLOW_132_MODE 561#ifdef ALLOW_132_MODE
603# define PrivMode_Default (PrivMode_Autowrap|PrivMode_ShiftKeys|PrivMode_VisibleCursor|PrivMode_132OK) 562# define PrivMode_Default (PrivMode_Autowrap|PrivMode_ShiftKeys|PrivMode_VisibleCursor|PrivMode_132OK)
… …
609#define IMBUFSIZ 128 // input modifier buffer sizes 568#define IMBUFSIZ 128 // input modifier buffer sizes
610#define KBUFSZ 512 // size of keyboard mapping buffer 569#define KBUFSZ 512 // size of keyboard mapping buffer
611#define CBUFSIZ 2048 // size of command buffer 570#define CBUFSIZ 2048 // size of command buffer
612#define UBUFSIZ 2048 // character buffer 571#define UBUFSIZ 2048 // character buffer
613 572
614#ifndef PATH_MAX 573#if ENABLE_FRILLS
615# define PATH_MAX 16384 574# include <X11/Xmd.h>
575typedef struct _mwmhints {
576 CARD32 flags;
577 CARD32 functions;
578 CARD32 decorations;
579 INT32 input_mode;
580 CARD32 status;
581} MWMHints;
616#endif 582#endif
617 583
618/* Motif window hints */ 584/* Motif window hints */
619#define MWM_HINTS_FUNCTIONS (1L << 0) 585#define MWM_HINTS_FUNCTIONS (1L << 0)
620#define MWM_HINTS_DECORATIONS (1L << 1) 586#define MWM_HINTS_DECORATIONS (1L << 1)
… …
661#define Col2Pixel(col) ((int32_t)Width2Pixel(col)) 627#define Col2Pixel(col) ((int32_t)Width2Pixel(col))
662#define Row2Pixel(row) ((int32_t)Height2Pixel(row)) 628#define Row2Pixel(row) ((int32_t)Height2Pixel(row))
663#define Width2Pixel(n) ((int32_t)(n) * (int32_t)fwidth) 629#define Width2Pixel(n) ((int32_t)(n) * (int32_t)fwidth)
664#define Height2Pixel(n) ((int32_t)(n) * (int32_t)fheight) 630#define Height2Pixel(n) ((int32_t)(n) * (int32_t)fheight)
665 631
666// for m >= -n, ensure remainder lies between 0..n-1
667#define MOD(m,n) (((m) + (n)) % (n))
668
669#define LINENO(n) MOD (term_start + int(n), total_rows) 632#define LINENO(n) MOD (term_start + int(n), total_rows)
670#define ROW(n) row_buf [LINENO (n)] 633#define ROW(n) row_buf [LINENO (n)]
671 634
672/* how to build & extract colors and attributes */ 635/* how to build & extract colors and attributes */
673#define GET_BASEFG(x) (((x) & RS_fgMask)) 636#define GET_BASEFG(x) (((x) & RS_fgMask))
… …
702#ifdef HAVE_SCROLLBARS 665#ifdef HAVE_SCROLLBARS
703# define scrollbar_TotalWidth() (scrollBar.width + sb_shadow * 2) 666# define scrollbar_TotalWidth() (scrollBar.width + sb_shadow * 2)
704#else 667#else
705# define scrollbar_TotalWidth() (0) 668# define scrollbar_TotalWidth() (0)
706#endif 669#endif
707#define scrollbar_isMotion() (scrollBar.state == 'm')
708#define scrollbar_isUp() (scrollBar.state == 'U')
709#define scrollbar_isDn() (scrollBar.state == 'D')
710#define scrollbar_isUpDn() isupper (scrollBar.state)
711#define isScrollbarWindow(w) (scrollBar.state && (w) == scrollBar.win)
712
713#define scrollbarnext_dnval() (scrollBar.end + (scrollBar.width + 1))
714#define scrollbarnext_upButton(y) ((y) > scrollBar.end \
715 && (y) <= scrollbarnext_dnval ())
716#define scrollbarnext_dnButton(y) ((y) > scrollbarnext_dnval())
717#define SCROLLNEXT_MINHEIGHT SB_THUMB_MIN_HEIGHT
718#define scrollbarrxvt_upButton(y) ((y) < scrollBar.beg)
719#define scrollbarrxvt_dnButton(y) ((y) > scrollBar.end)
720#define SCROLLRXVT_MINHEIGHT 10
721#define SCROLLXTERM_MINHEIGHT 10
722
723#define scrollbar_minheight() (scrollBar.style == R_SB_NEXT \
724 ? SCROLLNEXT_MINHEIGHT \
725 : SCROLLRXVT_MINHEIGHT)
726#define scrollbar_above_slider(y) ((y) < scrollBar.top)
727#define scrollbar_below_slider(y) ((y) > scrollBar.bot)
728#define scrollbar_position(y) ((y) - scrollBar.beg)
729#define scrollbar_size() (scrollBar.end - scrollBar.beg \
730 - scrollbar_minheight ())
731 670
732typedef callback<void (const char *)> log_callback; 671typedef callback<void (const char *)> log_callback;
733typedef callback<int (int)> getfd_callback; 672typedef callback<int (int)> getfd_callback;
734
735#define SET_LOCALE(locale) rxvt_set_locale (locale)
736extern bool rxvt_set_locale (const char *locale) NOTHROW;
737extern void rxvt_push_locale (const char *locale) NOTHROW;
738extern void rxvt_pop_locale () NOTHROW;
739 673
740/****************************************************************************/ 674/****************************************************************************/
741 675
742#define LINE_LONGER 0x0001 // line is continued on the next row 676#define LINE_LONGER 0x0001 // line is continued on the next row
743#define LINE_FILTERED 0x0002 // line has been filtered 677#define LINE_FILTERED 0x0002 // line has been filtered
… …
746#define LINE_BIDI 0x0010 // line needs bidi (NYI) 680#define LINE_BIDI 0x0010 // line needs bidi (NYI)
747 681
748struct line_t { 682struct line_t {
749 text_t *t; // terminal the text 683 text_t *t; // terminal the text
750 rend_t *r; // rendition, uses RS_ flags 684 rend_t *r; // rendition, uses RS_ flags
751 tlen_t_ l; // length of each text line, LINE_CONT == continued on next line 685 tlen_t_ l; // length of each text line
752 uint32_t f; // flags 686 uint32_t f; // flags
753 687
754 bool is_longer () 688 bool is_longer ()
755 { 689 {
756 return f & LINE_LONGER; 690 return f & LINE_LONGER;
… …
786 } 720 }
787}; 721};
788 722
789/****************************************************************************/ 723/****************************************************************************/
790 724
791// primivite wrapper around mbstate_t to ensure initialisation 725// primitive wrapper around mbstate_t to ensure initialisation
792struct mbstate { 726struct mbstate {
793 mbstate_t mbs; 727 mbstate_t mbs;
794 728
795 operator mbstate_t *() { return &mbs; } 729 operator mbstate_t *() { return &mbs; }
796 void reset () { memset (&mbs, 0, sizeof (mbs)); } 730 void reset () { memset (&mbs, 0, sizeof (mbs)); }
… …
799 733
800/****************************************************************************/ 734/****************************************************************************/
801 735
802#define UNICODE_MASK 0x1fffffUL 736#define UNICODE_MASK 0x1fffffUL
803 737
804#if UNICODE3 738#if UNICODE_3
805# define COMPOSE_LO 0x40000000UL 739# define COMPOSE_LO 0x40000000UL
806# define COMPOSE_HI 0x400fffffUL 740# define COMPOSE_HI 0x400fffffUL
807# define IS_COMPOSE(n) ((int32_t)(n) >= COMPOSE_LO) 741# define IS_COMPOSE(n) ((int32_t)(n) >= COMPOSE_LO)
808#else 742#else
809# if ENABLE_PERL 743# if ENABLE_PERL
… …
846/****************************************************************************/ 780/****************************************************************************/
847 781
848#ifdef KEYSYM_RESOURCE 782#ifdef KEYSYM_RESOURCE
849class keyboard_manager; 783class keyboard_manager;
850#endif 784#endif
785
786typedef struct rxvt_term *rxvt_t;
787
788extern rxvt_t rxvt_current_term;
789
790#define SET_R(r) rxvt_current_term = const_cast<rxvt_term *>(r)
791#define GET_R rxvt_current_term
792
793typedef struct {
794 int row;
795 int col;
796} row_col_t;
797
798/*
799 * terminal limits:
800 *
801 * width : 1 <= width
802 * height : 1 <= height
803 * ncol : 1 <= ncol <= MAX(tlen_t)
804 * nrow : 1 <= nrow <= MAX(int)
805 * saveLines : 0 <= saveLines <= MAX(int)
806 * term_start : 0 <= term_start < saveLines
807 * total_rows : nrow + saveLines
808 *
809 * top_row : -saveLines <= top_row <= 0
810 * view_start : top_row <= view_start <= 0
811 *
812 * | most coordinates are stored relative to term_start,
813 * ROW_BUF | which is the first line of the terminal screen
814 * |························= row_buf[0]
815 * |························= row_buf[1]
816 * |························= row_buf[2] etc.
817 * |
818 * +------------+···········= term_start + top_row
819 * | scrollback |
820 * | scrollback +---------+·= term_start + view_start
821 * | scrollback | display |
822 * | scrollback | display |
823 * +------------+·display·+·= term_start
824 * | terminal | display |
825 * | terminal +---------+
826 * | terminal |
827 * | terminal |
828 * +------------+···········= term_stat + nrow - 1
829 * |
830 * |
831 * END······················= total_rows
832 */
833
834struct TermWin_t {
835 int width; /* window width [pixels] */
836 int height; /* window height [pixels] */
837 int fwidth; /* font width [pixels] */
838 int fheight; /* font height [pixels] */
839 int fbase; /* font ascent (baseline) [pixels] */
840 int ncol; /* window columns [characters] */
841 int nrow; /* window rows [characters] */
842 int focus; /* window has focus */
843 int mapped; /* window state mapped? */
844 int int_bwidth; /* internal border width */
845 int ext_bwidth; /* external border width */
846 int lineSpace; /* number of extra pixels between rows */
847 int saveLines; /* number of lines that fit in scrollback */
848 int total_rows; /* total number of rows in this terminal */
849 int term_start; /* term lines start here */
850 int view_start; /* scrollback view starts here */
851 int top_row; /* topmost row index of scrollback */
852 Window parent[6]; /* parent identifiers - we're parent[0] */
853 Window vt; /* vt100 window */
854 GC gc; /* GC for drawing */
855 Pixmap pixmap;
856 rxvt_drawable *drawable;
857 rxvt_fontset *fontset[4];
858};
859
860/*
861 * screen accounting:
862 * screen_t elements
863 * row: Cursor row position : 0 <= row < nrow
864 * col: Cursor column position : 0 <= col < ncol
865 * tscroll: Scrolling region top row inclusive : 0 <= row < nrow
866 * bscroll: Scrolling region bottom row inclusive : 0 <= row < nrow
867 *
868 * selection_t elements
869 * clicks: 1, 2 or 3 clicks - 4 indicates a special condition of 1 where
870 * nothing is selected
871 * beg: row/column of beginning of selection : never past mark
872 * mark: row/column of initial click : never past end
873 * end: row/column of one character past end of selection
874 * * Note: -nsaved <= beg.row <= mark.row <= end.row < nrow
875 * * Note: col == -1 ==> we're left of screen
876 *
877 */
878typedef struct {
879 row_col_t cur; /* cursor position on the screen */
880 int tscroll; /* top of settable scroll region */
881 int bscroll; /* bottom of settable scroll region */
882 unsigned int charset; /* character set number [0..3] */
883 unsigned int flags; /* see below */
884 row_col_t s_cur; /* saved cursor position */
885 unsigned int s_charset; /* saved character set number [0..3] */
886 char s_charset_char;
887 rend_t s_rstyle; /* saved rendition style */
888} screen_t;
889
890enum selection_op_t {
891 SELECTION_CLEAR = 0, /* nothing selected */
892 SELECTION_INIT, /* marked a point */
893 SELECTION_BEGIN, /* started a selection */
894 SELECTION_CONT, /* continued selection */
895 SELECTION_DONE /* selection put in CUT_BUFFER0 */
896};
897
898typedef struct {
899 wchar_t *text; /* selected text */
900 unsigned int len; /* length of selected text */
901 unsigned int screen; /* screen being used */
902 unsigned int clicks; /* number of clicks */
903 selection_op_t op; /* current operation */
904 bool rect; /* rectangular selection? */
905 row_col_t beg; /* beginning of selection <= mark */
906 row_col_t mark; /* point of initial click <= end */
907 row_col_t end; /* one character past end point */
908} selection_t;
909
910/* ------------------------------------------------------------------------- */
911
912/* screen_t flags */
913#define Screen_Relative (1<<0) /* relative origin mode flag */
914#define Screen_VisibleCursor (1<<1) /* cursor visible? */
915#define Screen_Autowrap (1<<2) /* auto-wrap flag */
916#define Screen_Insert (1<<3) /* insert mode (vs. overstrike) */
917#define Screen_WrapNext (1<<4) /* need to wrap for next char? */
918#define Screen_DefaultFlags (Screen_VisibleCursor | Screen_Autowrap)
919
920/* rxvt_vars.options */
921enum {
922# define def(name,idx) Opt_ ## name = idx,
923# define nodef(name) Opt_ ## name = 0,
924# include "optinc.h"
925# undef nodef
926# undef def
927Opt_count
928};
929
930/* ------------------------------------------------------------------------- */
931
932struct rxvt_vars : TermWin_t {
933 scrollBar_t scrollBar;
934 uint8_t options[(Opt_count + 7) >> 3];
935 XSizeHints szHint;
936 rxvt_color *pix_colors;
937 Cursor TermWin_cursor; /* cursor for vt window */
938 int sb_shadow; /* scrollbar shadow width */
939 int numlock_state;
940 line_t *row_buf; // all lines, scrollback + terminal, circular, followed by temp_buf
941 line_t *drawn_buf; // text on screen
942 line_t *swap_buf; // lines for swap buffer
943 char *tabs; /* per location: 1 == tab-stop */
944 screen_t screen;
945 screen_t swap;
946 selection_t selection;
947 rxvt_color pix_colors_focused[TOTAL_COLORS];
948#ifdef OFF_FOCUS_FADING
949 rxvt_color pix_colors_unfocused[TOTAL_COLORS];
950#endif
951};
851 952
852struct rxvt_term : zero_initialized, rxvt_vars, rxvt_screen { 953struct rxvt_term : zero_initialized, rxvt_vars, rxvt_screen {
853 954
854 // special markers with magic addresses 955 // special markers with magic addresses
855 static const char resval_undef []; // options specifically unset 956 static const char resval_undef []; // options specifically unset
… …
1011 stringvec *argv, *envv; /* if != 0, will be freed at destroy time */ 1112 stringvec *argv, *envv; /* if != 0, will be freed at destroy time */
1012 1113
1013#ifdef KEYSYM_RESOURCE 1114#ifdef KEYSYM_RESOURCE
1014 keyboard_manager *keyboard; 1115 keyboard_manager *keyboard;
1015#endif 1116#endif
1117#ifndef NO_RESOURCES
1118 XrmDatabase option_db;
1119#endif
1016 1120
1017 const char *rs[NUM_RESOURCES]; 1121 const char *rs[NUM_RESOURCES];
1018 /* command input buffering */ 1122 /* command input buffering */
1019 char *cmdbuf_ptr, *cmdbuf_endp; 1123 char *cmdbuf_ptr, *cmdbuf_endp;
1020 char cmdbuf_base[CBUFSIZ]; 1124 char cmdbuf_base[CBUFSIZ];
… …
1047#if ENABLE_TRANSPARENCY || ENABLE_PERL 1151#if ENABLE_TRANSPARENCY || ENABLE_PERL
1048 void rootwin_cb (XEvent &xev); 1152 void rootwin_cb (XEvent &xev);
1049 xevent_watcher rootwin_ev; 1153 xevent_watcher rootwin_ev;
1050#endif 1154#endif
1051#ifdef HAVE_BG_PIXMAP 1155#ifdef HAVE_BG_PIXMAP
1052 int update_background (); 1156 void update_background ();
1157#if TRACE_PIXMAPS
1158 void trace_update_background (const char *file, int line);
1159# define update_background() trace_update_background (__FILE__, __LINE__)
1160#endif
1053 void update_background_cb (time_watcher &w); 1161 void update_background_cb (ev::timer &w, int revents);
1054 time_watcher update_background_ev; 1162 ev::timer update_background_ev;
1055#endif 1163#endif
1056 1164
1057 void x_cb (XEvent &xev); 1165 void x_cb (XEvent &xev);
1058 xevent_watcher termwin_ev; 1166 xevent_watcher termwin_ev;
1059 xevent_watcher vt_ev; 1167 xevent_watcher vt_ev;
1060#ifdef HAVE_SCROLLBARS 1168#ifdef HAVE_SCROLLBARS
1061 xevent_watcher scrollbar_ev; 1169 xevent_watcher scrollbar_ev;
1062#endif 1170#endif
1063 1171
1064 void child_cb (child_watcher &w, int status); child_watcher child_ev; 1172 void child_cb (ev::child &w, int revents); ev::child child_ev;
1065 void check_cb (check_watcher &w); check_watcher check_ev; 1173 void destroy_cb (ev::idle &w, int revents); ev::idle destroy_ev;
1066 void destroy_cb (time_watcher &w); time_watcher destroy_ev; 1174 void refresh_check ();
1067 void flush (); 1175 void flush ();
1068 void flush_cb (time_watcher &w); time_watcher flush_ev; 1176 void flush_cb (ev::timer &w, int revents); ev::timer flush_ev;
1069 bool pty_fill (); 1177 bool pty_fill ();
1070 void pty_cb (io_watcher &w, short revents); io_watcher pty_ev; 1178 void pty_cb (ev::io &w, int revents); ev::io pty_ev;
1071 void incr_cb (time_watcher &w) NOTHROW; time_watcher incr_ev; 1179 void incr_cb (ev::timer &w, int revents) NOTHROW; ev::timer incr_ev;
1072 1180
1073#ifdef CURSOR_BLINK 1181#ifdef CURSOR_BLINK
1074 void cursor_blink_cb (time_watcher &w); time_watcher cursor_blink_ev; 1182 void cursor_blink_cb (ev::timer &w, int revents); ev::timer cursor_blink_ev;
1075#endif 1183#endif
1076#ifdef TEXT_BLINK 1184#ifdef TEXT_BLINK
1077 void text_blink_cb (time_watcher &w); time_watcher text_blink_ev; 1185 void text_blink_cb (ev::timer &w, int revents); ev::timer text_blink_ev;
1078#endif 1186#endif
1079#ifndef NO_BELL 1187#ifndef NO_BELL
1080 void bell_cb (time_watcher &w); time_watcher bell_ev; 1188 void bell_cb (ev::timer &w, int revents); ev::timer bell_ev;
1081#endif 1189#endif
1082 1190
1083#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING 1191#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1084 void cont_scroll_cb (time_watcher &w); time_watcher cont_scroll_ev; 1192 void cont_scroll_cb (ev::timer &w, int revents); ev::timer cont_scroll_ev;
1085#endif 1193#endif
1086#ifdef SELECTION_SCROLLING 1194#ifdef SELECTION_SCROLLING
1087 void sel_scroll_cb (time_watcher &w); time_watcher sel_scroll_ev; 1195 void sel_scroll_cb (ev::timer &w, int revents); ev::timer sel_scroll_ev;
1088#endif 1196#endif
1089#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING) 1197#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1090 void slip_wheel_cb (time_watcher &w); time_watcher slip_wheel_ev; 1198 void slip_wheel_cb (ev::timer &w, int revents); ev::timer slip_wheel_ev;
1091#endif 1199#endif
1092 1200
1093#ifdef POINTER_BLANK 1201#ifdef POINTER_BLANK
1094 void pointer_cb (time_watcher &w); time_watcher pointer_ev; 1202 void pointer_cb (ev::timer &w, int revents); ev::timer pointer_ev;
1095 void pointer_blank (); 1203 void pointer_blank ();
1096#endif 1204#endif
1097 void pointer_unblank (); 1205 void pointer_unblank ();
1098 1206
1099 void tt_printf (const char *fmt,...); 1207 void tt_printf (const char *fmt,...);
1100 void tt_write (const char *data, unsigned int len); 1208 void tt_write (const char *data, unsigned int len);
1101 void pty_write (); 1209 void pty_write ();
1102 1210
1103 bool init (stringvec *argv, stringvec *envv) 1211 void init (stringvec *argv, stringvec *envv)
1104 { 1212 {
1105 this->argv = argv; 1213 this->argv = argv;
1106 return init (argv->size (), argv->begin (), envv); 1214 init (argv->size (), argv->begin (), envv);
1107 } 1215 }
1108 1216
1109 void make_current () const // make this the "currently active" urxvt instance 1217 void make_current () const // make this the "currently active" urxvt instance
1110 { 1218 {
1111 SET_R (this); 1219 SET_R (this);
… …
1167 int privcases (int mode, unsigned long bit); 1275 int privcases (int mode, unsigned long bit);
1168 void process_terminal_mode (int mode, int priv, unsigned int nargs, const int *arg); 1276 void process_terminal_mode (int mode, int priv, unsigned int nargs, const int *arg);
1169 void process_sgr_mode (unsigned int nargs, const int *arg); 1277 void process_sgr_mode (unsigned int nargs, const int *arg);
1170 void process_graphics (); 1278 void process_graphics ();
1171 // init.C 1279 // init.C
1172 bool init_vars (); 1280 void init_vars ();
1173 void init_secondary (); 1281 void init_secondary ();
1174 const char **init_resources (int argc, const char *const *argv); 1282 const char **init_resources (int argc, const char *const *argv);
1175 void init_env (); 1283 void init_env ();
1176 void set_locale (const char *locale); 1284 void set_locale (const char *locale);
1177 void init_xlocale (); 1285 void init_xlocale ();
… …
1186 void tt_winch (); 1294 void tt_winch ();
1187 rxvt_term (); 1295 rxvt_term ();
1188 ~rxvt_term (); 1296 ~rxvt_term ();
1189 void destroy (); 1297 void destroy ();
1190 void emergency_cleanup (); 1298 void emergency_cleanup ();
1191 bool init (int argc, const char *const *argv, stringvec *envv); 1299 void init (int argc, const char *const *argv, stringvec *envv);
1192 void recolour_cursor (); 1300 void recolour_cursor ();
1193 void resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent); 1301 void resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent);
1194 void window_calc (unsigned int newwidth, unsigned int newheight); 1302 void window_calc (unsigned int newwidth, unsigned int newheight);
1195 bool set_fonts (); 1303 bool set_fonts ();
1196 void set_string_property (Atom prop, const char *str, int len = -1); 1304 void set_string_property (Atom prop, const char *str, int len = -1);
… …
1263 return base; 1371 return base;
1264 } 1372 }
1265 1373
1266 bool option (uint8_t opt) const NOTHROW 1374 bool option (uint8_t opt) const NOTHROW
1267 { 1375 {
1376 if (!opt)
1377 return 0;
1378
1379 --opt;
1268 return options[opt >> 3] & (1 << (opt & 7)); 1380 return options[opt >> 3] & (1 << (opt & 7));
1269 } 1381 }
1270 1382
1271 void set_option (uint8_t opt, bool set = true) NOTHROW 1383 void set_option (uint8_t opt, bool set = true) NOTHROW
1272 { 1384 {
1385 if (!opt)
1386 return;
1387
1388 --opt;
1273 if (set) 1389 if (set)
1274 options[opt >> 3] |= (1 << (opt & 7)); 1390 options[opt >> 3] |= (1 << (opt & 7));
1275 else 1391 else
1276 options[opt >> 3] &= ~(1 << (opt & 7)); 1392 options[opt >> 3] &= ~(1 << (opt & 7));
1277 } 1393 }
… …
1396 int parse_keysym (const char *str, const char *arg); 1512 int parse_keysym (const char *str, const char *arg);
1397 const char *x_resource (const char *name); 1513 const char *x_resource (const char *name);
1398 void extract_resources (); 1514 void extract_resources ();
1399}; 1515};
1400 1516
1401#endif /* _RXVT_H_ */ 1517#endif /* _RXVT_H_ */
1402 1518

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