1 | #ifndef _RXVTLIB_H_ /* include once only */ |
1 | #ifndef _RXVTLIB_H_ /* include once only */ |
2 | #define _RXVTLIB_H_ |
2 | #define _RXVTLIB_H_ |
3 | |
3 | |
4 | #include <stdio.h> |
4 | #include <cstdio> |
5 | #include <ctype.h> |
5 | #include <cctype> |
6 | #include <errno.h> |
6 | #include <cerrno> |
7 | @include_stdarg_h@ |
7 | @include_stdarg_h@ |
8 | @include_stdlib_h@ |
8 | @include_stdlib_h@ |
9 | @include_stdint_h@ |
9 | @include_stdint_h@ |
10 | #include <sys/types.h> |
10 | #include <sys/types.h> |
11 | @include_unistd_h@ |
11 | @include_unistd_h@ |
… | |
… | |
20 | @include_sys_strredir_h@ |
20 | @include_sys_strredir_h@ |
21 | |
21 | |
22 | #include <sys/wait.h> |
22 | #include <sys/wait.h> |
23 | #include <sys/stat.h> |
23 | #include <sys/stat.h> |
24 | |
24 | |
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25 | #if HAVE_CWCHAR |
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26 | # include <cwchar> |
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27 | #elif HAVE_WCHAR_H |
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28 | # include <wchar.h> |
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29 | #else |
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30 | // stdlib.h might provide it |
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31 | #endif |
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32 | |
25 | extern "C" { |
33 | extern "C" { |
26 | #include <X11/Intrinsic.h> /* Xlib, Xutil, Xresource, Xfuncproto */ |
34 | #include <X11/Intrinsic.h> /* Xlib, Xutil, Xresource, Xfuncproto */ |
27 | } |
35 | } |
28 | |
36 | |
29 | /* |
37 | /* |
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50 | |
58 | |
51 | typedef struct rxvt_term *rxvt_t; |
59 | typedef struct rxvt_term *rxvt_t; |
52 | |
60 | |
53 | extern rxvt_t rxvt_current_term; |
61 | extern rxvt_t rxvt_current_term; |
54 | |
62 | |
55 | # define SET_R(r) rxvt_current_term = (r) |
63 | #define SET_R(r) rxvt_current_term = const_cast<rxvt_term *>(r) |
56 | # define GET_R rxvt_current_term |
64 | #define GET_R rxvt_current_term |
57 | |
65 | |
58 | #define scrollbar_visible() scrollBar.state |
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59 | #define menubar_visible() menuBar.state |
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60 | |
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61 | typedef struct { |
66 | typedef struct { |
62 | int32_t row; |
67 | int row; |
63 | int32_t col; |
68 | int col; |
64 | } row_col_t; |
69 | } row_col_t; |
65 | |
70 | |
66 | #if UNICODE3 |
71 | #if UNICODE_3 |
67 | typedef uint32_t text_t; |
72 | typedef uint32_t text_t; |
68 | #else |
73 | #else |
69 | typedef uint16_t text_t; // saves lots of memory |
74 | typedef uint16_t text_t; // saves lots of memory |
70 | #endif |
75 | #endif |
71 | typedef uint32_t rend_t; |
76 | typedef uint32_t rend_t; |
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77 | typedef int32_t tlen_t; // was int16_t, but this results in smaller code and memory use |
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78 | typedef int32_t tlen_t_; // specifically for use in the line_t structure |
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79 | |
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80 | struct line_t; |
72 | |
81 | |
73 | /* |
82 | /* |
74 | * TermWin elements limits |
83 | * terminal limits: |
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84 | * |
75 | * width : 1 <= width |
85 | * width : 1 <= width |
76 | * height : 1 <= height |
86 | * height : 1 <= height |
77 | * ncol : 1 <= ncol <= MAX(int16_t) |
87 | * ncol : 1 <= ncol <= MAX(tlen_t) |
78 | * nrow : 1 <= nrow <= MAX(int16_t) |
88 | * nrow : 1 <= nrow <= MAX(int) |
79 | * saveLines : 0 <= saveLines <= MAX(int16_t) |
89 | * saveLines : 0 <= saveLines <= MAX(int) |
80 | * nscrolled : 0 <= nscrolled <= saveLines |
90 | * term_start : 0 <= term_start < saveLines |
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91 | * total_rows : nrow + saveLines |
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92 | * |
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93 | * top_row : -saveLines <= top_row <= 0 |
81 | * view_start: 0 <= view_start <= nscrolled |
94 | * view_start : top_row <= view_start <= 0 |
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95 | * |
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96 | * | most coordinates are stored relative to term_start, |
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97 | * ROW_BUF | which is the first line of the terminal screen |
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98 | * |························= row_buf[0] |
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99 | * |························= row_buf[1] |
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100 | * |························= row_buf[2] etc. |
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101 | * | |
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102 | * +------------+···········= term_start + top_row |
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103 | * | scrollback | |
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104 | * | scrollback +---------+·= term_start + view_start |
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105 | * | scrollback | display | |
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106 | * | scrollback | display | |
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107 | * +------------+·display·+·= term_start |
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108 | * | terminal | display | |
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109 | * | terminal +---------+ |
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110 | * | terminal | |
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111 | * | terminal | |
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112 | * +------------+···········= term_stat + nrow - 1 |
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113 | * | |
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114 | * | |
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115 | * END······················= total_rows |
82 | */ |
116 | */ |
83 | |
117 | |
84 | typedef struct { |
118 | struct TermWin_t { |
85 | uint16_t width; /* window width [pixels] */ |
119 | int width; /* window width [pixels] */ |
86 | uint16_t height; /* window height [pixels] */ |
120 | int height; /* window height [pixels] */ |
87 | uint16_t fwidth; /* font width [pixels] */ |
121 | int fwidth; /* font width [pixels] */ |
88 | uint16_t fheight; /* font height [pixels] */ |
122 | int fheight; /* font height [pixels] */ |
89 | uint16_t fbase; /* font ascent (baseline) [pixels] */ |
123 | int fbase; /* font ascent (baseline) [pixels] */ |
90 | uint16_t propfont; /* font proportional flags */ |
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91 | uint16_t ncol; /* window columns [characters] */ |
124 | int ncol; /* window columns [characters] */ |
92 | uint16_t nrow; /* window rows [characters] */ |
125 | int nrow; /* window rows [characters] */ |
93 | uint16_t focus; /* window has focus */ |
126 | int focus; /* window has focus */ |
94 | uint16_t mapped; /* window state mapped? */ |
127 | int mapped; /* window state mapped? */ |
95 | uint16_t int_bwidth; /* internal border width */ |
128 | int int_bwidth; /* internal border width */ |
96 | uint16_t ext_bwidth; /* external border width */ |
129 | int ext_bwidth; /* external border width */ |
97 | uint16_t lineSpace; /* number of extra pixels between rows */ |
130 | int lineSpace; /* number of extra pixels between rows */ |
98 | uint16_t saveLines; /* number of lines that fit in scrollback */ |
131 | int saveLines; /* number of lines that fit in scrollback */ |
99 | uint16_t nscrolled; /* number of line actually scrolled */ |
132 | int total_rows; /* total number of rows in this terminal */ |
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133 | int term_start; /* term lines start here */ |
100 | uint16_t view_start; /* scrollback view starts here */ |
134 | int view_start; /* scrollback view starts here */ |
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135 | int top_row; /* topmost row index of scrollback */ |
101 | Window parent[6]; /* parent identifiers - we're parent[0] */ |
136 | Window parent[6]; /* parent identifiers - we're parent[0] */ |
102 | Window vt; /* vt100 window */ |
137 | Window vt; /* vt100 window */ |
103 | GC gc; /* GC for drawing */ |
138 | GC gc; /* GC for drawing */ |
104 | Pixmap pixmap; |
139 | Pixmap pixmap; |
105 | rxvt_fontset *fontset; |
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106 | rxvt_drawable *drawable; |
140 | rxvt_drawable *drawable; |
107 | } TermWin_t; |
141 | rxvt_fontset *fontset[4]; |
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142 | }; |
108 | |
143 | |
109 | /* |
144 | /* |
110 | * screen accounting: |
145 | * screen accounting: |
111 | * screen_t elements |
146 | * screen_t elements |
112 | * text: Contains all text information including the scrollback buffer. |
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113 | * Each line is length TermWin.ncol |
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114 | * tlen: The length of the line or -1 for wrapped lines. |
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115 | * rend: Contains rendition information: font, bold, colour, etc. |
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116 | * * Note: Each line for both text and rend are only allocated on demand, and |
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117 | * text[x] is allocated <=> rend[x] is allocated for all x. |
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118 | * row: Cursor row position : 0 <= row < TermWin.nrow |
147 | * row: Cursor row position : 0 <= row < nrow |
119 | * col: Cursor column position : 0 <= col < TermWin.ncol |
148 | * col: Cursor column position : 0 <= col < ncol |
120 | * tscroll: Scrolling region top row inclusive : 0 <= row < TermWin.nrow |
149 | * tscroll: Scrolling region top row inclusive : 0 <= row < nrow |
121 | * bscroll: Scrolling region bottom row inclusive : 0 <= row < TermWin.nrow |
150 | * bscroll: Scrolling region bottom row inclusive : 0 <= row < nrow |
122 | * |
151 | * |
123 | * selection_t elements |
152 | * selection_t elements |
124 | * clicks: 1, 2 or 3 clicks - 4 indicates a special condition of 1 where |
153 | * clicks: 1, 2 or 3 clicks - 4 indicates a special condition of 1 where |
125 | * nothing is selected |
154 | * nothing is selected |
126 | * beg: row/column of beginning of selection : never past mark |
155 | * beg: row/column of beginning of selection : never past mark |
127 | * mark: row/column of initial click : never past end |
156 | * mark: row/column of initial click : never past end |
128 | * end: row/column of one character past end of selection |
157 | * end: row/column of one character past end of selection |
129 | * * Note: -TermWin.nscrolled <= beg.row <= mark.row <= end.row < TermWin.nrow |
158 | * * Note: -nsaved <= beg.row <= mark.row <= end.row < nrow |
130 | * * Note: col == -1 ==> we're left of screen |
159 | * * Note: col == -1 ==> we're left of screen |
131 | * |
160 | * |
132 | * Layout of text/rend information in the screen_t text/rend structures: |
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133 | * Rows [0] ... [TermWin.saveLines - 1] |
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134 | * scrollback region : we're only here if TermWin.view_start != 0 |
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135 | * Rows [TermWin.saveLines] ... [TermWin.saveLines + TermWin.nrow - 1] |
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136 | * normal `unscrolled' screen region |
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137 | */ |
161 | */ |
138 | typedef struct { |
162 | typedef struct { |
139 | int16_t *tlen; /* length of each text line */ |
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140 | text_t **text; /* _all_ the text */ |
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141 | rend_t **rend; /* rendition, uses RS_ flags */ |
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142 | row_col_t cur; /* cursor position on the screen */ |
163 | row_col_t cur; /* cursor position on the screen */ |
143 | uint16_t tscroll; /* top of settable scroll region */ |
164 | int tscroll; /* top of settable scroll region */ |
144 | uint16_t bscroll; /* bottom of settable scroll region */ |
165 | int bscroll; /* bottom of settable scroll region */ |
145 | uint16_t charset; /* character set number [0..3] */ |
166 | unsigned int charset; /* character set number [0..3] */ |
146 | unsigned int flags; /* see below */ |
167 | unsigned int flags; /* see below */ |
147 | row_col_t s_cur; /* saved cursor position */ |
168 | row_col_t s_cur; /* saved cursor position */ |
148 | uint16_t s_charset; /* saved character set number [0..3] */ |
169 | unsigned int s_charset; /* saved character set number [0..3] */ |
149 | char s_charset_char; |
170 | char s_charset_char; |
150 | rend_t s_rstyle; /* saved rendition style */ |
171 | rend_t s_rstyle; /* saved rendition style */ |
151 | } screen_t; |
172 | } screen_t; |
152 | |
173 | |
153 | enum selection_op_t { |
174 | enum selection_op_t { |
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157 | SELECTION_CONT, /* continued selection */ |
178 | SELECTION_CONT, /* continued selection */ |
158 | SELECTION_DONE /* selection put in CUT_BUFFER0 */ |
179 | SELECTION_DONE /* selection put in CUT_BUFFER0 */ |
159 | }; |
180 | }; |
160 | |
181 | |
161 | typedef struct { |
182 | typedef struct { |
162 | unsigned char *text; /* selected text */ |
183 | wchar_t *text; /* selected text */ |
163 | uint32_t len; /* length of selected text */ |
184 | unsigned int len; /* length of selected text */ |
164 | short screen; /* screen being used */ |
185 | unsigned int screen; /* screen being used */ |
165 | short clicks; /* number of clicks */ |
186 | unsigned int clicks; /* number of clicks */ |
166 | selection_op_t op; /* current operation */ |
187 | selection_op_t op; /* current operation */ |
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188 | bool rect; /* rectangluar selection? */ |
167 | row_col_t beg; /* beginning of selection <= mark */ |
189 | row_col_t beg; /* beginning of selection <= mark */ |
168 | row_col_t mark; /* point of initial click <= end */ |
190 | row_col_t mark; /* point of initial click <= end */ |
169 | row_col_t end; /* one character past end point */ |
191 | row_col_t end; /* one character past end point */ |
170 | } selection_t; |
192 | } selection_t; |
171 | |
193 | |
172 | typedef enum { |
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173 | OLD_SELECT, OLD_WORD_SELECT, NEW_SELECT |
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174 | } sstyle_t; |
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175 | |
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176 | /* ------------------------------------------------------------------------- */ |
194 | /* ------------------------------------------------------------------------- */ |
177 | |
195 | |
178 | /* screen_t flags */ |
196 | /* screen_t flags */ |
179 | #define Screen_Relative (1<<0) /* relative origin mode flag */ |
197 | #define Screen_Relative (1<<0) /* relative origin mode flag */ |
180 | #define Screen_VisibleCursor (1<<1) /* cursor visible? */ |
198 | #define Screen_VisibleCursor (1<<1) /* cursor visible? */ |
181 | #define Screen_Autowrap (1<<2) /* auto-wrap flag */ |
199 | #define Screen_Autowrap (1<<2) /* auto-wrap flag */ |
182 | #define Screen_Insert (1<<3) /* insert mode (vs. overstrike) */ |
200 | #define Screen_Insert (1<<3) /* insert mode (vs. overstrike) */ |
183 | #define Screen_WrapNext (1<<4) /* need to wrap for next char? */ |
201 | #define Screen_WrapNext (1<<4) /* need to wrap for next char? */ |
184 | #define Screen_DefaultFlags (Screen_VisibleCursor|Screen_Autowrap) |
202 | #define Screen_DefaultFlags (Screen_VisibleCursor | Screen_Autowrap) |
185 | |
203 | |
186 | /* rxvt_vars.Options */ |
204 | /* rxvt_vars.options */ |
187 | #define Opt_console (1LU<<0) |
205 | enum { |
188 | #define Opt_loginShell (1LU<<1) |
206 | # define def(name,idx) Opt_ ## name = 1UL << (idx), |
189 | #define Opt_iconic (1LU<<2) |
207 | # define nodef(name) Opt_ ## name = 0, |
190 | #define Opt_visualBell (1LU<<3) |
208 | # include "optinc.h" |
191 | #define Opt_mapAlert (1LU<<4) |
209 | # undef nodef |
192 | #define Opt_reverseVideo (1LU<<5) |
210 | # undef def |
193 | #define Opt_utmpInhibit (1LU<<6) |
211 | }; |
194 | #define Opt_scrollBar (1LU<<7) |
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195 | #define Opt_scrollBar_right (1LU<<8) |
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196 | #define Opt_scrollBar_floating (1LU<<9) |
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197 | #define Opt_meta8 (1LU<<10) |
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198 | #define Opt_scrollTtyOutput (1LU<<11) |
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199 | #define Opt_scrollTtyKeypress (1LU<<12) |
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200 | #define Opt_transparent (1LU<<13) |
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201 | #define Opt_transparent_all (1LU<<14) |
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202 | #define Opt_mc_hack (1LU<<15) |
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203 | #define Opt_tripleclickwords (1LU<<16) |
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204 | #define Opt_scrollWithBuffer (1LU<<17) |
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205 | #define Opt_jumpScroll (1LU<<18) |
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206 | #define Opt_mouseWheelScrollPage (1LU<<19) |
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207 | #define Opt_pointerBlank (1LU<<20) |
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208 | #define Opt_cursorBlink (1LU<<21) |
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209 | /* place holder used for parsing command-line options */ |
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210 | #define Opt_Reverse (1LU<<30) |
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211 | #define Opt_Boolean (1LU<<31) |
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212 | |
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213 | #define DEFAULT_OPTIONS (Opt_scrollBar | Opt_scrollTtyOutput \ |
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214 | | Opt_jumpScroll) |
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215 | |
212 | |
216 | /* ------------------------------------------------------------------------- */ |
213 | /* ------------------------------------------------------------------------- */ |
217 | |
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218 | typedef struct { |
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219 | short state; |
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220 | Window win; |
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221 | struct rxvt_drawable *drawable; |
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222 | } menuBar_t; |
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223 | |
214 | |
224 | typedef struct { |
215 | typedef struct { |
225 | char state; /* scrollbar state */ |
216 | char state; /* scrollbar state */ |
226 | char init; /* scrollbar has been initialised */ |
217 | char init; /* scrollbar has been initialised */ |
227 | short beg; /* slider sub-window begin height */ |
218 | unsigned int beg; /* slider sub-window begin height */ |
228 | short end; /* slider sub-window end height */ |
219 | unsigned int end; /* slider sub-window end height */ |
229 | short top; /* slider top position */ |
220 | unsigned int top; /* slider top position */ |
230 | short bot; /* slider bottom position */ |
221 | unsigned int bot; /* slider bottom position */ |
231 | short style; /* style: rxvt, xterm, next */ |
222 | unsigned int style; /* style: rxvt, xterm, next */ |
232 | short width; /* scrollbar width */ |
223 | unsigned int width; /* scrollbar width */ |
233 | Window win; |
224 | Window win; |
234 | int (rxvt_term::*update)(int, int, int, int); |
225 | int (rxvt_term::*update)(int, int, int, int); |
235 | |
226 | |
236 | void setIdle() { state = 1 ; } |
227 | void setIdle() { state = 1 ; } |
237 | void setMotion() { state = 'm'; } |
228 | void setMotion() { state = 'm'; } |
238 | void setUp() { state = 'U'; } |
229 | void setUp() { state = 'U'; } |
239 | void setDn() { state = 'D'; } |
230 | void setDn() { state = 'D'; } |
240 | } scrollBar_t; |
231 | } scrollBar_t; |
241 | |
232 | |
242 | struct rxvt_vars { |
233 | struct rxvt_vars : TermWin_t { |
243 | TermWin_t TermWin; |
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244 | scrollBar_t scrollBar; |
234 | scrollBar_t scrollBar; |
245 | menuBar_t menuBar; |
235 | uint32_t options; |
246 | unsigned long Options; |
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247 | XSizeHints szHint; |
236 | XSizeHints szHint; |
248 | rxvt_display *display; |
237 | rxvt_display *display; |
249 | rxvt_color *PixColors; |
238 | rxvt_color *pix_colors; |
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239 | rxvt_color *pix_colors_focused; |
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240 | #ifdef OFF_FOCUS_FADING |
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241 | rxvt_color *pix_colors_unfocused; |
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242 | #endif |
250 | short numPixColors; |
243 | short numpix_colors; |
251 | Cursor TermWin_cursor; /* cursor for vt window */ |
244 | Cursor TermWin_cursor; /* cursor for vt window */ |
252 | int sb_shadow; /* scrollbar shadow width */ |
245 | int sb_shadow; /* scrollbar shadow width */ |
253 | int cmd_fd; /* pty file descriptor; connected to command */ |
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254 | int tty_fd; /* tty file descriptor; connected to child */ |
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255 | int numlock_state; |
246 | int numlock_state; |
256 | text_t **drawn_text; /* text drawn on screen (characters) */ |
247 | line_t *row_buf; // all lines, scrollback + terminal, circular, followed by temp_buf |
257 | rend_t **drawn_rend; /* text drawn on screen (rendition) */ |
248 | line_t *drawn_buf; // text on screen |
258 | text_t **buf_text; |
249 | line_t *swap_buf; // lines for swap buffer |
259 | rend_t **buf_rend; |
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260 | char *tabs; /* per location: 1 == tab-stop */ |
250 | char *tabs; /* per location: 1 == tab-stop */ |
261 | screen_t screen; |
251 | screen_t screen; |
262 | screen_t swap; |
252 | screen_t swap; |
263 | selection_t selection; |
253 | selection_t selection; |
264 | sstyle_t selection_style; |
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265 | }; |
254 | }; |
266 | |
255 | |
267 | void rxvt_init_signals (); |
256 | void rxvt_init (); |
268 | rxvt_t rxvt_init (int argc, const char *const *argv); |
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269 | |
257 | |
270 | #endif /* _RXVTLIB_H_ */ |
258 | #endif /* _RXVTLIB_H_ */ |
271 | |
259 | |