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/cvs/rxvt-unicode/src/rxvt.h
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Comparing rxvt-unicode/src/rxvt.h (file contents):
Revision 1.339 by ayin, Fri Dec 28 11:39:02 2007 UTC vs.
Revision 1.340 by ayin, Fri Dec 28 14:00:47 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
… …
110// main.C 152// main.C
111#define SET_LOCALE(locale) rxvt_set_locale (locale) 153#define SET_LOCALE(locale) rxvt_set_locale (locale)
112extern bool rxvt_set_locale (const char *locale) NOTHROW; 154extern bool rxvt_set_locale (const char *locale) NOTHROW;
113extern void rxvt_push_locale (const char *locale) NOTHROW; 155extern void rxvt_push_locale (const char *locale) NOTHROW;
114extern void rxvt_pop_locale () NOTHROW; 156extern void rxvt_pop_locale () NOTHROW;
157void rxvt_init ();
115 158
116// misc.C 159// misc.C
117char * rxvt_wcstombs (const wchar_t *str, int len = -1); 160char * rxvt_wcstombs (const wchar_t *str, int len = -1);
118wchar_t * rxvt_mbstowcs (const char *str, int len = -1); 161wchar_t * rxvt_mbstowcs (const char *str, int len = -1);
119char * rxvt_wcstoutf8 (const wchar_t *str, int len = -1); 162char * rxvt_wcstoutf8 (const wchar_t *str, int len = -1);
… …
840 883
841#ifdef KEYSYM_RESOURCE 884#ifdef KEYSYM_RESOURCE
842class keyboard_manager; 885class keyboard_manager;
843#endif 886#endif
844 887
888typedef struct rxvt_term *rxvt_t;
889
890extern rxvt_t rxvt_current_term;
891
892#define SET_R(r) rxvt_current_term = const_cast<rxvt_term *>(r)
893#define GET_R rxvt_current_term
894
895typedef struct {
896 int row;
897 int col;
898} row_col_t;
899
900/*
901 * terminal limits:
902 *
903 * width : 1 <= width
904 * height : 1 <= height
905 * ncol : 1 <= ncol <= MAX(tlen_t)
906 * nrow : 1 <= nrow <= MAX(int)
907 * saveLines : 0 <= saveLines <= MAX(int)
908 * term_start : 0 <= term_start < saveLines
909 * total_rows : nrow + saveLines
910 *
911 * top_row : -saveLines <= top_row <= 0
912 * view_start : top_row <= view_start <= 0
913 *
914 * | most coordinates are stored relative to term_start,
915 * ROW_BUF | which is the first line of the terminal screen
916 * |························= row_buf[0]
917 * |························= row_buf[1]
918 * |························= row_buf[2] etc.
919 * |
920 * +------------+···········= term_start + top_row
921 * | scrollback |
922 * | scrollback +---------+·= term_start + view_start
923 * | scrollback | display |
924 * | scrollback | display |
925 * +------------+·display·+·= term_start
926 * | terminal | display |
927 * | terminal +---------+
928 * | terminal |
929 * | terminal |
930 * +------------+···········= term_stat + nrow - 1
931 * |
932 * |
933 * END······················= total_rows
934 */
935
936struct TermWin_t {
937 int width; /* window width [pixels] */
938 int height; /* window height [pixels] */
939 int fwidth; /* font width [pixels] */
940 int fheight; /* font height [pixels] */
941 int fbase; /* font ascent (baseline) [pixels] */
942 int ncol; /* window columns [characters] */
943 int nrow; /* window rows [characters] */
944 int focus; /* window has focus */
945 int mapped; /* window state mapped? */
946 int int_bwidth; /* internal border width */
947 int ext_bwidth; /* external border width */
948 int lineSpace; /* number of extra pixels between rows */
949 int saveLines; /* number of lines that fit in scrollback */
950 int total_rows; /* total number of rows in this terminal */
951 int term_start; /* term lines start here */
952 int view_start; /* scrollback view starts here */
953 int top_row; /* topmost row index of scrollback */
954 Window parent[6]; /* parent identifiers - we're parent[0] */
955 Window vt; /* vt100 window */
956 GC gc; /* GC for drawing */
957 Pixmap pixmap;
958 rxvt_drawable *drawable;
959 rxvt_fontset *fontset[4];
960};
961
962/*
963 * screen accounting:
964 * screen_t elements
965 * row: Cursor row position : 0 <= row < nrow
966 * col: Cursor column position : 0 <= col < ncol
967 * tscroll: Scrolling region top row inclusive : 0 <= row < nrow
968 * bscroll: Scrolling region bottom row inclusive : 0 <= row < nrow
969 *
970 * selection_t elements
971 * clicks: 1, 2 or 3 clicks - 4 indicates a special condition of 1 where
972 * nothing is selected
973 * beg: row/column of beginning of selection : never past mark
974 * mark: row/column of initial click : never past end
975 * end: row/column of one character past end of selection
976 * * Note: -nsaved <= beg.row <= mark.row <= end.row < nrow
977 * * Note: col == -1 ==> we're left of screen
978 *
979 */
980typedef struct {
981 row_col_t cur; /* cursor position on the screen */
982 int tscroll; /* top of settable scroll region */
983 int bscroll; /* bottom of settable scroll region */
984 unsigned int charset; /* character set number [0..3] */
985 unsigned int flags; /* see below */
986 row_col_t s_cur; /* saved cursor position */
987 unsigned int s_charset; /* saved character set number [0..3] */
988 char s_charset_char;
989 rend_t s_rstyle; /* saved rendition style */
990} screen_t;
991
992enum selection_op_t {
993 SELECTION_CLEAR = 0, /* nothing selected */
994 SELECTION_INIT, /* marked a point */
995 SELECTION_BEGIN, /* started a selection */
996 SELECTION_CONT, /* continued selection */
997 SELECTION_DONE /* selection put in CUT_BUFFER0 */
998};
999
1000typedef struct {
1001 wchar_t *text; /* selected text */
1002 unsigned int len; /* length of selected text */
1003 unsigned int screen; /* screen being used */
1004 unsigned int clicks; /* number of clicks */
1005 selection_op_t op; /* current operation */
1006 bool rect; /* rectangular selection? */
1007 row_col_t beg; /* beginning of selection <= mark */
1008 row_col_t mark; /* point of initial click <= end */
1009 row_col_t end; /* one character past end point */
1010} selection_t;
1011
1012/* ------------------------------------------------------------------------- */
1013
1014/* screen_t flags */
1015#define Screen_Relative (1<<0) /* relative origin mode flag */
1016#define Screen_VisibleCursor (1<<1) /* cursor visible? */
1017#define Screen_Autowrap (1<<2) /* auto-wrap flag */
1018#define Screen_Insert (1<<3) /* insert mode (vs. overstrike) */
1019#define Screen_WrapNext (1<<4) /* need to wrap for next char? */
1020#define Screen_DefaultFlags (Screen_VisibleCursor | Screen_Autowrap)
1021
1022/* rxvt_vars.options */
1023enum {
1024# define def(name,idx) Opt_ ## name = idx,
1025# define nodef(name) Opt_ ## name = 0,
1026# include "optinc.h"
1027# undef nodef
1028# undef def
1029Opt_count
1030};
1031
1032/* ------------------------------------------------------------------------- */
1033
1034typedef struct {
1035 char state; /* scrollbar state */
1036 char init; /* scrollbar has been initialised */
1037 unsigned int beg; /* slider sub-window begin height */
1038 unsigned int end; /* slider sub-window end height */
1039 unsigned int top; /* slider top position */
1040 unsigned int bot; /* slider bottom position */
1041 unsigned int style; /* style: rxvt, xterm, next */
1042 unsigned int width; /* scrollbar width */
1043 Window win;
1044 int (rxvt_term::*update)(int, int, int, int);
1045
1046 void setIdle() { state = 1 ; }
1047 void setMotion() { state = 'm'; }
1048 void setUp() { state = 'U'; }
1049 void setDn() { state = 'D'; }
1050} scrollBar_t;
1051
1052struct rxvt_vars : TermWin_t {
1053 scrollBar_t scrollBar;
1054 uint8_t options[(Opt_count + 7) >> 3];
1055 XSizeHints szHint;
1056 rxvt_color *pix_colors;
1057 rxvt_color *pix_colors_focused;
1058#ifdef OFF_FOCUS_FADING
1059 rxvt_color *pix_colors_unfocused;
1060#endif
1061 Cursor TermWin_cursor; /* cursor for vt window */
1062 int sb_shadow; /* scrollbar shadow width */
1063 int numlock_state;
1064 line_t *row_buf; // all lines, scrollback + terminal, circular, followed by temp_buf
1065 line_t *drawn_buf; // text on screen
1066 line_t *swap_buf; // lines for swap buffer
1067 char *tabs; /* per location: 1 == tab-stop */
1068 screen_t screen;
1069 screen_t swap;
1070 selection_t selection;
1071};
1072
845struct rxvt_term : zero_initialized, rxvt_vars, rxvt_screen { 1073struct rxvt_term : zero_initialized, rxvt_vars, rxvt_screen {
846 1074
847 // special markers with magic addresses 1075 // special markers with magic addresses
848 static const char resval_undef []; // options specifically unset 1076 static const char resval_undef []; // options specifically unset
849 static const char resval_on []; // boolean options switched on 1077 static const char resval_on []; // boolean options switched on

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