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> |
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5 | #include <cctype> |
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6 | #include <cerrno> |
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7 | #include <cstdarg> |
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8 | #include <cstdlib> |
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9 | #ifdef HAVE_STDINT_H |
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10 | #include <stdint.h> |
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11 | #endif |
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12 | #include <sys/types.h> |
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13 | #include <unistd.h> |
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14 | #include <cstring> |
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15 | #include <assert.h> |
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16 | #ifdef HAVE_SYS_IOCTL_H |
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17 | #include <sys/ioctl.h> |
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18 | #endif |
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19 | #ifdef HAVE_SYS_STRREDIR_H |
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20 | #include <sys/strredir.h> |
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21 | #endif |
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22 | |
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23 | #if HAVE_CWCHAR |
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24 | # include <cwchar> |
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25 | #elif HAVE_WCHAR_H |
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26 | # include <wchar.h> |
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27 | #else |
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28 | // stdlib.h might provide it |
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29 | #endif |
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30 | |
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31 | using namespace std; |
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32 | |
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33 | extern "C" { |
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34 | #include <X11/Xlib.h> |
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35 | #include <X11/Xutil.h> |
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36 | #include <X11/Xresource.h> |
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37 | } |
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38 | |
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39 | #if UNICODE_3 |
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40 | typedef uint32_t text_t; |
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41 | #else |
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42 | typedef uint16_t text_t; // saves lots of memory |
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43 | #endif |
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44 | typedef uint32_t rend_t; |
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45 | typedef int32_t tlen_t; // was int16_t, but this results in smaller code and memory use |
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46 | typedef 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) |
112 | extern bool rxvt_set_locale (const char *locale) NOTHROW; |
154 | extern bool rxvt_set_locale (const char *locale) NOTHROW; |
113 | extern void rxvt_push_locale (const char *locale) NOTHROW; |
155 | extern void rxvt_push_locale (const char *locale) NOTHROW; |
114 | extern void rxvt_pop_locale () NOTHROW; |
156 | extern void rxvt_pop_locale () NOTHROW; |
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157 | void rxvt_init (); |
115 | |
158 | |
116 | // misc.C |
159 | // misc.C |
117 | char * rxvt_wcstombs (const wchar_t *str, int len = -1); |
160 | char * rxvt_wcstombs (const wchar_t *str, int len = -1); |
118 | wchar_t * rxvt_mbstowcs (const char *str, int len = -1); |
161 | wchar_t * rxvt_mbstowcs (const char *str, int len = -1); |
119 | char * rxvt_wcstoutf8 (const wchar_t *str, int len = -1); |
162 | char * rxvt_wcstoutf8 (const wchar_t *str, int len = -1); |
… | |
… | |
840 | |
883 | |
841 | #ifdef KEYSYM_RESOURCE |
884 | #ifdef KEYSYM_RESOURCE |
842 | class keyboard_manager; |
885 | class keyboard_manager; |
843 | #endif |
886 | #endif |
844 | |
887 | |
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888 | typedef struct rxvt_term *rxvt_t; |
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889 | |
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890 | extern rxvt_t rxvt_current_term; |
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891 | |
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892 | #define SET_R(r) rxvt_current_term = const_cast<rxvt_term *>(r) |
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893 | #define GET_R rxvt_current_term |
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894 | |
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895 | typedef struct { |
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896 | int row; |
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897 | int col; |
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898 | } row_col_t; |
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899 | |
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900 | /* |
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901 | * terminal limits: |
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902 | * |
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903 | * width : 1 <= width |
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904 | * height : 1 <= height |
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905 | * ncol : 1 <= ncol <= MAX(tlen_t) |
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906 | * nrow : 1 <= nrow <= MAX(int) |
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907 | * saveLines : 0 <= saveLines <= MAX(int) |
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908 | * term_start : 0 <= term_start < saveLines |
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909 | * total_rows : nrow + saveLines |
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910 | * |
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911 | * top_row : -saveLines <= top_row <= 0 |
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912 | * view_start : top_row <= view_start <= 0 |
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913 | * |
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914 | * | most coordinates are stored relative to term_start, |
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915 | * ROW_BUF | which is the first line of the terminal screen |
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916 | * |························= row_buf[0] |
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917 | * |························= row_buf[1] |
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918 | * |························= row_buf[2] etc. |
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919 | * | |
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920 | * +------------+···········= term_start + top_row |
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921 | * | scrollback | |
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922 | * | scrollback +---------+·= term_start + view_start |
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923 | * | scrollback | display | |
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924 | * | scrollback | display | |
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925 | * +------------+·display·+·= term_start |
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926 | * | terminal | display | |
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927 | * | terminal +---------+ |
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928 | * | terminal | |
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929 | * | terminal | |
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930 | * +------------+···········= term_stat + nrow - 1 |
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931 | * | |
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932 | * | |
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933 | * END······················= total_rows |
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934 | */ |
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935 | |
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936 | struct TermWin_t { |
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937 | int width; /* window width [pixels] */ |
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938 | int height; /* window height [pixels] */ |
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939 | int fwidth; /* font width [pixels] */ |
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940 | int fheight; /* font height [pixels] */ |
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941 | int fbase; /* font ascent (baseline) [pixels] */ |
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942 | int ncol; /* window columns [characters] */ |
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943 | int nrow; /* window rows [characters] */ |
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944 | int focus; /* window has focus */ |
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945 | int mapped; /* window state mapped? */ |
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946 | int int_bwidth; /* internal border width */ |
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947 | int ext_bwidth; /* external border width */ |
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948 | int lineSpace; /* number of extra pixels between rows */ |
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949 | int saveLines; /* number of lines that fit in scrollback */ |
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950 | int total_rows; /* total number of rows in this terminal */ |
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951 | int term_start; /* term lines start here */ |
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952 | int view_start; /* scrollback view starts here */ |
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953 | int top_row; /* topmost row index of scrollback */ |
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954 | Window parent[6]; /* parent identifiers - we're parent[0] */ |
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955 | Window vt; /* vt100 window */ |
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956 | GC gc; /* GC for drawing */ |
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957 | Pixmap pixmap; |
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958 | rxvt_drawable *drawable; |
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959 | rxvt_fontset *fontset[4]; |
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960 | }; |
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961 | |
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962 | /* |
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963 | * screen accounting: |
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964 | * screen_t elements |
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965 | * row: Cursor row position : 0 <= row < nrow |
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966 | * col: Cursor column position : 0 <= col < ncol |
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967 | * tscroll: Scrolling region top row inclusive : 0 <= row < nrow |
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968 | * bscroll: Scrolling region bottom row inclusive : 0 <= row < nrow |
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969 | * |
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970 | * selection_t elements |
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971 | * clicks: 1, 2 or 3 clicks - 4 indicates a special condition of 1 where |
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972 | * nothing is selected |
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973 | * beg: row/column of beginning of selection : never past mark |
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974 | * mark: row/column of initial click : never past end |
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975 | * end: row/column of one character past end of selection |
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976 | * * Note: -nsaved <= beg.row <= mark.row <= end.row < nrow |
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977 | * * Note: col == -1 ==> we're left of screen |
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978 | * |
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979 | */ |
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980 | typedef struct { |
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981 | row_col_t cur; /* cursor position on the screen */ |
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982 | int tscroll; /* top of settable scroll region */ |
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983 | int bscroll; /* bottom of settable scroll region */ |
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984 | unsigned int charset; /* character set number [0..3] */ |
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985 | unsigned int flags; /* see below */ |
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986 | row_col_t s_cur; /* saved cursor position */ |
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987 | unsigned int s_charset; /* saved character set number [0..3] */ |
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988 | char s_charset_char; |
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989 | rend_t s_rstyle; /* saved rendition style */ |
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990 | } screen_t; |
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991 | |
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992 | enum selection_op_t { |
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993 | SELECTION_CLEAR = 0, /* nothing selected */ |
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994 | SELECTION_INIT, /* marked a point */ |
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995 | SELECTION_BEGIN, /* started a selection */ |
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996 | SELECTION_CONT, /* continued selection */ |
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997 | SELECTION_DONE /* selection put in CUT_BUFFER0 */ |
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998 | }; |
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999 | |
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1000 | typedef struct { |
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1001 | wchar_t *text; /* selected text */ |
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1002 | unsigned int len; /* length of selected text */ |
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1003 | unsigned int screen; /* screen being used */ |
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1004 | unsigned int clicks; /* number of clicks */ |
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1005 | selection_op_t op; /* current operation */ |
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1006 | bool rect; /* rectangular selection? */ |
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1007 | row_col_t beg; /* beginning of selection <= mark */ |
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1008 | row_col_t mark; /* point of initial click <= end */ |
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1009 | row_col_t end; /* one character past end point */ |
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1010 | } selection_t; |
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1011 | |
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1012 | /* ------------------------------------------------------------------------- */ |
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1013 | |
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1014 | /* screen_t flags */ |
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1015 | #define Screen_Relative (1<<0) /* relative origin mode flag */ |
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1016 | #define Screen_VisibleCursor (1<<1) /* cursor visible? */ |
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1017 | #define Screen_Autowrap (1<<2) /* auto-wrap flag */ |
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1018 | #define Screen_Insert (1<<3) /* insert mode (vs. overstrike) */ |
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1019 | #define Screen_WrapNext (1<<4) /* need to wrap for next char? */ |
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1020 | #define Screen_DefaultFlags (Screen_VisibleCursor | Screen_Autowrap) |
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1021 | |
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1022 | /* rxvt_vars.options */ |
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1023 | enum { |
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1024 | # define def(name,idx) Opt_ ## name = idx, |
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1025 | # define nodef(name) Opt_ ## name = 0, |
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1026 | # include "optinc.h" |
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1027 | # undef nodef |
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1028 | # undef def |
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1029 | Opt_count |
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1030 | }; |
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1031 | |
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1032 | /* ------------------------------------------------------------------------- */ |
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1033 | |
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1034 | typedef struct { |
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1035 | char state; /* scrollbar state */ |
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1036 | char init; /* scrollbar has been initialised */ |
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1037 | unsigned int beg; /* slider sub-window begin height */ |
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1038 | unsigned int end; /* slider sub-window end height */ |
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1039 | unsigned int top; /* slider top position */ |
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1040 | unsigned int bot; /* slider bottom position */ |
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1041 | unsigned int style; /* style: rxvt, xterm, next */ |
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1042 | unsigned int width; /* scrollbar width */ |
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1043 | Window win; |
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1044 | int (rxvt_term::*update)(int, int, int, int); |
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1045 | |
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1046 | void setIdle() { state = 1 ; } |
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1047 | void setMotion() { state = 'm'; } |
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1048 | void setUp() { state = 'U'; } |
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1049 | void setDn() { state = 'D'; } |
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1050 | } scrollBar_t; |
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1051 | |
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1052 | struct rxvt_vars : TermWin_t { |
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1053 | scrollBar_t scrollBar; |
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1054 | uint8_t options[(Opt_count + 7) >> 3]; |
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1055 | XSizeHints szHint; |
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1056 | rxvt_color *pix_colors; |
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1057 | rxvt_color *pix_colors_focused; |
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1058 | #ifdef OFF_FOCUS_FADING |
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1059 | rxvt_color *pix_colors_unfocused; |
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1060 | #endif |
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1061 | Cursor TermWin_cursor; /* cursor for vt window */ |
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1062 | int sb_shadow; /* scrollbar shadow width */ |
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1063 | int numlock_state; |
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1064 | line_t *row_buf; // all lines, scrollback + terminal, circular, followed by temp_buf |
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1065 | line_t *drawn_buf; // text on screen |
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1066 | line_t *swap_buf; // lines for swap buffer |
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1067 | char *tabs; /* per location: 1 == tab-stop */ |
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1068 | screen_t screen; |
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1069 | screen_t swap; |
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1070 | selection_t selection; |
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1071 | }; |
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1072 | |
845 | struct rxvt_term : zero_initialized, rxvt_vars, rxvt_screen { |
1073 | struct 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 |