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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 |
25 | #include <cwchar> |
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 |
26 | |
32 | |
27 | extern "C" { |
33 | extern "C" { |
28 | #include <X11/Intrinsic.h> /* Xlib, Xutil, Xresource, Xfuncproto */ |
34 | #include <X11/Xlib.h> |
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35 | #include <X11/Xutil.h> |
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36 | #include <X11/Xresource.h> |
29 | } |
37 | } |
30 | |
38 | |
31 | /* |
39 | /* |
32 | * If we haven't pulled in typedef's like int16_t then do them ourself |
40 | * If we haven't pulled in typedef's like int16_t then do them ourself |
33 | * type of (normal and unsigned) basic sizes |
41 | * type of (normal and unsigned) basic sizes |
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44 | |
52 | |
45 | struct rxvt_fontset; |
53 | struct rxvt_fontset; |
46 | struct rxvt_color; |
54 | struct rxvt_color; |
47 | struct rxvt_vars; /* defined later on */ |
55 | struct rxvt_vars; /* defined later on */ |
48 | struct rxvt_term; |
56 | struct rxvt_term; |
49 | struct rxvt_display; |
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50 | struct rxvt_im; |
57 | struct rxvt_im; |
51 | struct rxvt_drawable; |
58 | struct rxvt_drawable; |
52 | |
59 | |
53 | typedef struct rxvt_term *rxvt_t; |
60 | typedef struct rxvt_term *rxvt_t; |
54 | |
61 | |
55 | extern rxvt_t rxvt_current_term; |
62 | extern rxvt_t rxvt_current_term; |
56 | |
63 | |
57 | # define SET_R(r) rxvt_current_term = (r) |
64 | #define SET_R(r) rxvt_current_term = const_cast<rxvt_term *>(r) |
58 | # define GET_R rxvt_current_term |
65 | #define GET_R rxvt_current_term |
59 | |
66 | |
60 | #define scrollbar_visible() scrollBar.state |
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61 | #define menubar_visible() menuBar.state |
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62 | |
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63 | typedef struct { |
67 | typedef struct { |
64 | int32_t row; |
68 | int row; |
65 | int32_t col; |
69 | int col; |
66 | } row_col_t; |
70 | } row_col_t; |
67 | |
71 | |
68 | #if UNICODE_3 |
72 | #if UNICODE_3 |
69 | typedef uint32_t text_t; |
73 | typedef uint32_t text_t; |
70 | #else |
74 | #else |
71 | typedef uint16_t text_t; // saves lots of memory |
75 | typedef uint16_t text_t; // saves lots of memory |
72 | #endif |
76 | #endif |
73 | typedef uint32_t rend_t; |
77 | typedef uint32_t rend_t; |
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78 | typedef int32_t tlen_t; // was int16_t, but this results in smaller code and memory use |
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79 | typedef int32_t tlen_t_; // specifically for use in the line_t structure |
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80 | |
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81 | struct line_t; |
74 | |
82 | |
75 | /* |
83 | /* |
76 | * TermWin elements limits |
84 | * terminal limits: |
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85 | * |
77 | * width : 1 <= width |
86 | * width : 1 <= width |
78 | * height : 1 <= height |
87 | * height : 1 <= height |
79 | * ncol : 1 <= ncol <= MAX(int16_t) |
88 | * ncol : 1 <= ncol <= MAX(tlen_t) |
80 | * nrow : 1 <= nrow <= MAX(int16_t) |
89 | * nrow : 1 <= nrow <= MAX(int) |
81 | * saveLines : 0 <= saveLines <= MAX(int16_t) |
90 | * saveLines : 0 <= saveLines <= MAX(int) |
82 | * nscrolled : 0 <= nscrolled <= saveLines |
91 | * term_start : 0 <= term_start < saveLines |
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92 | * total_rows : nrow + saveLines |
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93 | * |
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94 | * top_row : -saveLines <= top_row <= 0 |
83 | * view_start: 0 <= view_start <= nscrolled |
95 | * view_start : top_row <= view_start <= 0 |
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96 | * |
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97 | * | most coordinates are stored relative to term_start, |
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98 | * ROW_BUF | which is the first line of the terminal screen |
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99 | * |························= row_buf[0] |
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100 | * |························= row_buf[1] |
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101 | * |························= row_buf[2] etc. |
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102 | * | |
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103 | * +------------+···········= term_start + top_row |
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104 | * | scrollback | |
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105 | * | scrollback +---------+·= term_start + view_start |
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106 | * | scrollback | display | |
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107 | * | scrollback | display | |
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108 | * +------------+·display·+·= term_start |
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109 | * | terminal | display | |
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110 | * | terminal +---------+ |
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111 | * | terminal | |
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112 | * | terminal | |
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113 | * +------------+···········= term_stat + nrow - 1 |
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114 | * | |
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115 | * | |
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116 | * END······················= total_rows |
84 | */ |
117 | */ |
85 | |
118 | |
86 | typedef struct { |
119 | struct TermWin_t { |
87 | uint16_t width; /* window width [pixels] */ |
120 | int width; /* window width [pixels] */ |
88 | uint16_t height; /* window height [pixels] */ |
121 | int height; /* window height [pixels] */ |
89 | uint16_t fwidth; /* font width [pixels] */ |
122 | int fwidth; /* font width [pixels] */ |
90 | uint16_t fheight; /* font height [pixels] */ |
123 | int fheight; /* font height [pixels] */ |
91 | uint16_t fbase; /* font ascent (baseline) [pixels] */ |
124 | int fbase; /* font ascent (baseline) [pixels] */ |
92 | uint16_t propfont; /* font proportional flags */ |
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93 | uint16_t ncol; /* window columns [characters] */ |
125 | int ncol; /* window columns [characters] */ |
94 | uint16_t nrow; /* window rows [characters] */ |
126 | int nrow; /* window rows [characters] */ |
95 | uint16_t focus; /* window has focus */ |
127 | int focus; /* window has focus */ |
96 | uint16_t mapped; /* window state mapped? */ |
128 | int mapped; /* window state mapped? */ |
97 | uint16_t int_bwidth; /* internal border width */ |
129 | int int_bwidth; /* internal border width */ |
98 | uint16_t ext_bwidth; /* external border width */ |
130 | int ext_bwidth; /* external border width */ |
99 | uint16_t lineSpace; /* number of extra pixels between rows */ |
131 | int lineSpace; /* number of extra pixels between rows */ |
100 | uint16_t saveLines; /* number of lines that fit in scrollback */ |
132 | int saveLines; /* number of lines that fit in scrollback */ |
101 | uint16_t nscrolled; /* number of line actually scrolled */ |
133 | int total_rows; /* total number of rows in this terminal */ |
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134 | int term_start; /* term lines start here */ |
102 | uint16_t view_start; /* scrollback view starts here */ |
135 | int view_start; /* scrollback view starts here */ |
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136 | int top_row; /* topmost row index of scrollback */ |
103 | Window parent[6]; /* parent identifiers - we're parent[0] */ |
137 | Window parent[6]; /* parent identifiers - we're parent[0] */ |
104 | Window vt; /* vt100 window */ |
138 | Window vt; /* vt100 window */ |
105 | GC gc; /* GC for drawing */ |
139 | GC gc; /* GC for drawing */ |
106 | Pixmap pixmap; |
140 | Pixmap pixmap; |
107 | rxvt_fontset *fontset; |
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108 | rxvt_drawable *drawable; |
141 | rxvt_drawable *drawable; |
109 | } TermWin_t; |
142 | rxvt_fontset *fontset[4]; |
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143 | }; |
110 | |
144 | |
111 | /* |
145 | /* |
112 | * screen accounting: |
146 | * screen accounting: |
113 | * screen_t elements |
147 | * screen_t elements |
114 | * text: Contains all text information including the scrollback buffer. |
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115 | * Each line is length TermWin.ncol |
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116 | * tlen: The length of the line or -1 for wrapped lines. |
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117 | * rend: Contains rendition information: font, bold, colour, etc. |
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118 | * * Note: Each line for both text and rend are only allocated on demand, and |
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119 | * text[x] is allocated <=> rend[x] is allocated for all x. |
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120 | * row: Cursor row position : 0 <= row < TermWin.nrow |
148 | * row: Cursor row position : 0 <= row < nrow |
121 | * col: Cursor column position : 0 <= col < TermWin.ncol |
149 | * col: Cursor column position : 0 <= col < ncol |
122 | * tscroll: Scrolling region top row inclusive : 0 <= row < TermWin.nrow |
150 | * tscroll: Scrolling region top row inclusive : 0 <= row < nrow |
123 | * bscroll: Scrolling region bottom row inclusive : 0 <= row < TermWin.nrow |
151 | * bscroll: Scrolling region bottom row inclusive : 0 <= row < nrow |
124 | * |
152 | * |
125 | * selection_t elements |
153 | * selection_t elements |
126 | * clicks: 1, 2 or 3 clicks - 4 indicates a special condition of 1 where |
154 | * clicks: 1, 2 or 3 clicks - 4 indicates a special condition of 1 where |
127 | * nothing is selected |
155 | * nothing is selected |
128 | * beg: row/column of beginning of selection : never past mark |
156 | * beg: row/column of beginning of selection : never past mark |
129 | * mark: row/column of initial click : never past end |
157 | * mark: row/column of initial click : never past end |
130 | * end: row/column of one character past end of selection |
158 | * end: row/column of one character past end of selection |
131 | * * Note: -TermWin.nscrolled <= beg.row <= mark.row <= end.row < TermWin.nrow |
159 | * * Note: -nsaved <= beg.row <= mark.row <= end.row < nrow |
132 | * * Note: col == -1 ==> we're left of screen |
160 | * * Note: col == -1 ==> we're left of screen |
133 | * |
161 | * |
134 | * Layout of text/rend information in the screen_t text/rend structures: |
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135 | * Rows [0] ... [TermWin.saveLines - 1] |
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136 | * scrollback region : we're only here if TermWin.view_start != 0 |
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137 | * Rows [TermWin.saveLines] ... [TermWin.saveLines + TermWin.nrow - 1] |
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138 | * normal `unscrolled' screen region |
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139 | */ |
162 | */ |
140 | typedef struct { |
163 | typedef struct { |
141 | int16_t *tlen; /* length of each text line */ |
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142 | text_t **text; /* _all_ the text */ |
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143 | rend_t **rend; /* rendition, uses RS_ flags */ |
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144 | row_col_t cur; /* cursor position on the screen */ |
164 | row_col_t cur; /* cursor position on the screen */ |
145 | uint16_t tscroll; /* top of settable scroll region */ |
165 | int tscroll; /* top of settable scroll region */ |
146 | uint16_t bscroll; /* bottom of settable scroll region */ |
166 | int bscroll; /* bottom of settable scroll region */ |
147 | uint16_t charset; /* character set number [0..3] */ |
167 | unsigned int charset; /* character set number [0..3] */ |
148 | unsigned int flags; /* see below */ |
168 | unsigned int flags; /* see below */ |
149 | row_col_t s_cur; /* saved cursor position */ |
169 | row_col_t s_cur; /* saved cursor position */ |
150 | uint16_t s_charset; /* saved character set number [0..3] */ |
170 | unsigned int s_charset; /* saved character set number [0..3] */ |
151 | char s_charset_char; |
171 | char s_charset_char; |
152 | rend_t s_rstyle; /* saved rendition style */ |
172 | rend_t s_rstyle; /* saved rendition style */ |
153 | } screen_t; |
173 | } screen_t; |
154 | |
174 | |
155 | enum selection_op_t { |
175 | enum selection_op_t { |
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159 | SELECTION_CONT, /* continued selection */ |
179 | SELECTION_CONT, /* continued selection */ |
160 | SELECTION_DONE /* selection put in CUT_BUFFER0 */ |
180 | SELECTION_DONE /* selection put in CUT_BUFFER0 */ |
161 | }; |
181 | }; |
162 | |
182 | |
163 | typedef struct { |
183 | typedef struct { |
164 | wchar_t *text; /* selected text */ |
184 | wchar_t *text; /* selected text */ |
165 | uint32_t len; /* length of selected text */ |
185 | unsigned int len; /* length of selected text */ |
166 | short screen; /* screen being used */ |
186 | unsigned int screen; /* screen being used */ |
167 | short clicks; /* number of clicks */ |
187 | unsigned int clicks; /* number of clicks */ |
168 | selection_op_t op; /* current operation */ |
188 | selection_op_t op; /* current operation */ |
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189 | bool rect; /* rectangluar selection? */ |
169 | row_col_t beg; /* beginning of selection <= mark */ |
190 | row_col_t beg; /* beginning of selection <= mark */ |
170 | row_col_t mark; /* point of initial click <= end */ |
191 | row_col_t mark; /* point of initial click <= end */ |
171 | row_col_t end; /* one character past end point */ |
192 | row_col_t end; /* one character past end point */ |
172 | } selection_t; |
193 | } selection_t; |
173 | |
194 | |
174 | /* ------------------------------------------------------------------------- */ |
195 | /* ------------------------------------------------------------------------- */ |
175 | |
196 | |
176 | /* screen_t flags */ |
197 | /* screen_t flags */ |
177 | #define Screen_Relative (1<<0) /* relative origin mode flag */ |
198 | #define Screen_Relative (1<<0) /* relative origin mode flag */ |
178 | #define Screen_VisibleCursor (1<<1) /* cursor visible? */ |
199 | #define Screen_VisibleCursor (1<<1) /* cursor visible? */ |
179 | #define Screen_Autowrap (1<<2) /* auto-wrap flag */ |
200 | #define Screen_Autowrap (1<<2) /* auto-wrap flag */ |
180 | #define Screen_Insert (1<<3) /* insert mode (vs. overstrike) */ |
201 | #define Screen_Insert (1<<3) /* insert mode (vs. overstrike) */ |
181 | #define Screen_WrapNext (1<<4) /* need to wrap for next char? */ |
202 | #define Screen_WrapNext (1<<4) /* need to wrap for next char? */ |
182 | #define Screen_DefaultFlags (Screen_VisibleCursor|Screen_Autowrap) |
203 | #define Screen_DefaultFlags (Screen_VisibleCursor | Screen_Autowrap) |
183 | |
204 | |
184 | /* rxvt_vars.Options */ |
205 | /* rxvt_vars.options */ |
185 | #define Opt_console (1UL<<0) |
206 | enum { |
186 | #define Opt_loginShell (1UL<<1) |
207 | # define def(name,idx) Opt_ ## name = 1UL << (idx), |
187 | #define Opt_iconic (1UL<<2) |
208 | # define nodef(name) Opt_ ## name = 0, |
188 | #define Opt_visualBell (1UL<<3) |
209 | # include "optinc.h" |
189 | #define Opt_mapAlert (1UL<<4) |
210 | # undef nodef |
190 | #define Opt_reverseVideo (1UL<<5) |
211 | # undef def |
191 | #define Opt_utmpInhibit (1UL<<6) |
212 | }; |
192 | #define Opt_scrollBar (1UL<<7) |
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193 | #define Opt_scrollBar_right (1UL<<8) |
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194 | #define Opt_scrollBar_floating (1UL<<9) |
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195 | #define Opt_meta8 (1UL<<10) |
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196 | #define Opt_scrollTtyOutput (1UL<<11) |
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197 | #define Opt_scrollTtyKeypress (1UL<<12) |
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198 | #define Opt_transparent (1UL<<13) |
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199 | #define Opt_transparent_all (1UL<<14) |
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200 | #define Opt_15 (1UL<<15) // UNALLOCATED |
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201 | #define Opt_tripleclickwords (1UL<<16) |
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202 | #define Opt_scrollWithBuffer (1UL<<17) |
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203 | #define Opt_jumpScroll (1UL<<18) |
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204 | #define Opt_mouseWheelScrollPage (1UL<<19) |
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205 | #define Opt_pointerBlank (1UL<<20) |
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206 | #define Opt_cursorBlink (1UL<<21) |
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207 | #ifdef NO_FRILLS |
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208 | # define Opt_insecure 0 |
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209 | #else |
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210 | # define Opt_insecure (1UL<<22) // insecure esc sequences |
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211 | #endif |
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212 | #define Opt_secondaryScreen (1UL<<23) |
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213 | #define Opt_secondaryScroll (1UL<<24) |
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214 | /* place holder used for parsing command-line options */ |
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215 | #define Opt_Reverse (1UL<<30) |
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216 | #define Opt_Boolean (1UL<<31) |
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217 | |
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218 | #define DEFAULT_OPTIONS (Opt_scrollBar | Opt_scrollTtyOutput | \ |
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219 | Opt_jumpScroll | Opt_secondaryScreen) |
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220 | |
213 | |
221 | /* ------------------------------------------------------------------------- */ |
214 | /* ------------------------------------------------------------------------- */ |
222 | |
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223 | typedef struct { |
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224 | short state; |
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225 | Window win; |
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226 | struct rxvt_drawable *drawable; |
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227 | } menuBar_t; |
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228 | |
215 | |
229 | typedef struct { |
216 | typedef struct { |
230 | char state; /* scrollbar state */ |
217 | char state; /* scrollbar state */ |
231 | char init; /* scrollbar has been initialised */ |
218 | char init; /* scrollbar has been initialised */ |
232 | short beg; /* slider sub-window begin height */ |
219 | unsigned int beg; /* slider sub-window begin height */ |
233 | short end; /* slider sub-window end height */ |
220 | unsigned int end; /* slider sub-window end height */ |
234 | short top; /* slider top position */ |
221 | unsigned int top; /* slider top position */ |
235 | short bot; /* slider bottom position */ |
222 | unsigned int bot; /* slider bottom position */ |
236 | short style; /* style: rxvt, xterm, next */ |
223 | unsigned int style; /* style: rxvt, xterm, next */ |
237 | short width; /* scrollbar width */ |
224 | unsigned int width; /* scrollbar width */ |
238 | Window win; |
225 | Window win; |
239 | int (rxvt_term::*update)(int, int, int, int); |
226 | int (rxvt_term::*update)(int, int, int, int); |
240 | |
227 | |
241 | void setIdle() { state = 1 ; } |
228 | void setIdle() { state = 1 ; } |
242 | void setMotion() { state = 'm'; } |
229 | void setMotion() { state = 'm'; } |
243 | void setUp() { state = 'U'; } |
230 | void setUp() { state = 'U'; } |
244 | void setDn() { state = 'D'; } |
231 | void setDn() { state = 'D'; } |
245 | } scrollBar_t; |
232 | } scrollBar_t; |
246 | |
233 | |
247 | struct rxvt_vars { |
234 | struct rxvt_vars : TermWin_t { |
248 | TermWin_t TermWin; |
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249 | scrollBar_t scrollBar; |
235 | scrollBar_t scrollBar; |
250 | menuBar_t menuBar; |
236 | uint32_t options; |
251 | unsigned long Options; |
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252 | XSizeHints szHint; |
237 | XSizeHints szHint; |
253 | rxvt_display *display; |
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254 | 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 |
255 | short numPixColors; |
243 | short numpix_colors; |
256 | Cursor TermWin_cursor; /* cursor for vt window */ |
244 | Cursor TermWin_cursor; /* cursor for vt window */ |
257 | int sb_shadow; /* scrollbar shadow width */ |
245 | int sb_shadow; /* scrollbar shadow width */ |
258 | int cmd_fd; /* pty file descriptor; connected to command */ |
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259 | int tty_fd; /* tty file descriptor; connected to child */ |
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260 | int numlock_state; |
246 | int numlock_state; |
261 | text_t **drawn_text; /* text drawn on screen (characters) */ |
247 | line_t *row_buf; // all lines, scrollback + terminal, circular, followed by temp_buf |
262 | rend_t **drawn_rend; /* text drawn on screen (rendition) */ |
248 | line_t *drawn_buf; // text on screen |
263 | text_t **buf_text; |
249 | line_t *swap_buf; // lines for swap buffer |
264 | rend_t **buf_rend; |
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265 | char *tabs; /* per location: 1 == tab-stop */ |
250 | char *tabs; /* per location: 1 == tab-stop */ |
266 | screen_t screen; |
251 | screen_t screen; |
267 | screen_t swap; |
252 | screen_t swap; |
268 | selection_t selection; |
253 | selection_t selection; |
269 | }; |
254 | }; |
270 | |
255 | |
271 | void rxvt_init_signals (); |
256 | void rxvt_init (); |
272 | rxvt_t rxvt_init (int argc, const char *const *argv); |
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273 | |
257 | |
274 | #endif /* _RXVTLIB_H_ */ |
258 | #endif /* _RXVTLIB_H_ */ |
275 | |
259 | |