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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 | #include "ptytty.h" |
33 | #include "ptytty.h" |
28 | |
34 | |
29 | extern "C" { |
35 | extern "C" { |
30 | #include <X11/Intrinsic.h> /* Xlib, Xutil, Xresource, Xfuncproto */ |
36 | #include <X11/Intrinsic.h> /* Xlib, Xutil, Xresource, Xfuncproto */ |
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54 | |
60 | |
55 | typedef struct rxvt_term *rxvt_t; |
61 | typedef struct rxvt_term *rxvt_t; |
56 | |
62 | |
57 | extern rxvt_t rxvt_current_term; |
63 | extern rxvt_t rxvt_current_term; |
58 | |
64 | |
59 | # define SET_R(r) rxvt_current_term = (r) |
65 | #define SET_R(r) rxvt_current_term = (r) |
60 | # define GET_R rxvt_current_term |
66 | #define GET_R rxvt_current_term |
61 | |
67 | |
62 | #define scrollbar_visible() scrollBar.state |
68 | #define scrollbar_visible() scrollBar.state |
63 | #define menubar_visible() menuBar.state |
69 | #define menubar_visible() menuBar.state |
64 | |
70 | |
65 | typedef struct { |
71 | typedef struct { |
66 | int32_t row; |
72 | int row; |
67 | int32_t col; |
73 | int col; |
68 | } row_col_t; |
74 | } row_col_t; |
69 | |
75 | |
70 | #if UNICODE_3 |
76 | #if UNICODE_3 |
71 | typedef uint32_t text_t; |
77 | typedef uint32_t text_t; |
72 | #else |
78 | #else |
73 | typedef uint16_t text_t; // saves lots of memory |
79 | typedef uint16_t text_t; // saves lots of memory |
74 | #endif |
80 | #endif |
75 | typedef uint32_t rend_t; |
81 | typedef uint32_t rend_t; |
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82 | typedef int32_t tlen_t; // was int16_t, but this results in smaller code and memory use |
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83 | typedef int32_t tlen_t_; // specifically for use in the line_t structure |
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84 | |
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85 | struct line_t; |
76 | |
86 | |
77 | /* |
87 | /* |
78 | * TermWin elements limits |
88 | * terminal limits: |
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89 | * |
79 | * width : 1 <= width |
90 | * width : 1 <= width |
80 | * height : 1 <= height |
91 | * height : 1 <= height |
81 | * ncol : 1 <= ncol <= MAX(int16_t) |
92 | * ncol : 1 <= ncol <= MAX(tlen_t) |
82 | * nrow : 1 <= nrow <= MAX(int16_t) |
93 | * nrow : 1 <= nrow <= MAX(int) |
83 | * saveLines : 0 <= saveLines <= MAX(int16_t) |
94 | * saveLines : 0 <= saveLines <= MAX(int) |
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95 | * total_rows : nrow + saveLines |
84 | * nscrolled : 0 <= nscrolled <= saveLines |
96 | * nsaved : 0 <= nsaved <= saveLines |
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97 | * term_start : 0 <= term_start < saveLines |
85 | * view_start: 0 <= view_start <= nscrolled |
98 | * view_start : 0 <= view_start < saveLines |
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99 | * |
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100 | * | most coordinates are stored relative to term_start, |
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101 | * ROW_BUF | which is the first line of the terminal screen |
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102 | * |························= row_buf[0] |
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103 | * |························= row_buf[1] |
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104 | * |························= row_buf[2] etc. |
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105 | * | |
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106 | * +------------+···········= term_start - nsaved |
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107 | * | scrollback | |
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108 | * | scrollback +---------+·= term_start - view_start |
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109 | * | scrollback | display | |
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110 | * | scrollback | display | |
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111 | * +------------+·display·+·= term_start |
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112 | * | terminal | display | |
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113 | * | terminal +---------+ |
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114 | * | terminal | |
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115 | * | terminal | |
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116 | * +------------+···········= term_stat + nrow - 1 |
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117 | * | |
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118 | * | |
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119 | * END······················= total_rows |
86 | */ |
120 | */ |
87 | |
121 | |
88 | typedef struct { |
122 | struct TermWin_t { |
89 | uint16_t width; /* window width [pixels] */ |
123 | int width; /* window width [pixels] */ |
90 | uint16_t height; /* window height [pixels] */ |
124 | int height; /* window height [pixels] */ |
91 | uint16_t fwidth; /* font width [pixels] */ |
125 | int fwidth; /* font width [pixels] */ |
92 | uint16_t fheight; /* font height [pixels] */ |
126 | int fheight; /* font height [pixels] */ |
93 | uint16_t fbase; /* font ascent (baseline) [pixels] */ |
127 | int fbase; /* font ascent (baseline) [pixels] */ |
94 | uint16_t propfont; /* font proportional flags */ |
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95 | uint16_t ncol; /* window columns [characters] */ |
128 | int ncol; /* window columns [characters] */ |
96 | uint16_t nrow; /* window rows [characters] */ |
129 | int nrow; /* window rows [characters] */ |
97 | uint16_t focus; /* window has focus */ |
130 | int focus; /* window has focus */ |
98 | uint16_t mapped; /* window state mapped? */ |
131 | int mapped; /* window state mapped? */ |
99 | uint16_t int_bwidth; /* internal border width */ |
132 | int int_bwidth; /* internal border width */ |
100 | uint16_t ext_bwidth; /* external border width */ |
133 | int ext_bwidth; /* external border width */ |
101 | uint16_t lineSpace; /* number of extra pixels between rows */ |
134 | int lineSpace; /* number of extra pixels between rows */ |
102 | uint16_t saveLines; /* number of lines that fit in scrollback */ |
135 | int saveLines; /* number of lines that fit in scrollback */ |
103 | uint16_t nscrolled; /* number of line actually scrolled */ |
136 | int total_rows; /* total number of rows in this terminal */ |
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137 | int nsaved; /* number of rows saved to scrollback */ |
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138 | int term_start; /* term lines start here */ |
104 | uint16_t view_start; /* scrollback view starts here */ |
139 | int view_start; /* scrollback view starts here */ |
105 | Window parent[6]; /* parent identifiers - we're parent[0] */ |
140 | Window parent[6]; /* parent identifiers - we're parent[0] */ |
106 | Window vt; /* vt100 window */ |
141 | Window vt; /* vt100 window */ |
107 | GC gc; /* GC for drawing */ |
142 | GC gc; /* GC for drawing */ |
108 | Pixmap pixmap; |
143 | Pixmap pixmap; |
109 | rxvt_fontset *fontset; |
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110 | rxvt_drawable *drawable; |
144 | rxvt_drawable *drawable; |
111 | uint16_t ascii_map[0x7f - 0x20]; // map ascii chars to fonts for speed |
145 | rxvt_fontset *fontset[4]; |
112 | } TermWin_t; |
146 | }; |
113 | |
147 | |
114 | /* |
148 | /* |
115 | * screen accounting: |
149 | * screen accounting: |
116 | * screen_t elements |
150 | * screen_t elements |
117 | * text: Contains all text information including the scrollback buffer. |
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118 | * Each line is length TermWin.ncol |
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119 | * tlen: The length of the line or -1 for wrapped lines. |
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120 | * rend: Contains rendition information: font, bold, colour, etc. |
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121 | * * Note: Each line for both text and rend are only allocated on demand, and |
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122 | * text[x] is allocated <=> rend[x] is allocated for all x. |
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123 | * row: Cursor row position : 0 <= row < TermWin.nrow |
151 | * row: Cursor row position : 0 <= row < nrow |
124 | * col: Cursor column position : 0 <= col < TermWin.ncol |
152 | * col: Cursor column position : 0 <= col < ncol |
125 | * tscroll: Scrolling region top row inclusive : 0 <= row < TermWin.nrow |
153 | * tscroll: Scrolling region top row inclusive : 0 <= row < nrow |
126 | * bscroll: Scrolling region bottom row inclusive : 0 <= row < TermWin.nrow |
154 | * bscroll: Scrolling region bottom row inclusive : 0 <= row < nrow |
127 | * |
155 | * |
128 | * selection_t elements |
156 | * selection_t elements |
129 | * clicks: 1, 2 or 3 clicks - 4 indicates a special condition of 1 where |
157 | * clicks: 1, 2 or 3 clicks - 4 indicates a special condition of 1 where |
130 | * nothing is selected |
158 | * nothing is selected |
131 | * beg: row/column of beginning of selection : never past mark |
159 | * beg: row/column of beginning of selection : never past mark |
132 | * mark: row/column of initial click : never past end |
160 | * mark: row/column of initial click : never past end |
133 | * end: row/column of one character past end of selection |
161 | * end: row/column of one character past end of selection |
134 | * * Note: -TermWin.nscrolled <= beg.row <= mark.row <= end.row < TermWin.nrow |
162 | * * Note: -nsaved <= beg.row <= mark.row <= end.row < nrow |
135 | * * Note: col == -1 ==> we're left of screen |
163 | * * Note: col == -1 ==> we're left of screen |
136 | * |
164 | * |
137 | * Layout of text/rend information in the screen_t text/rend structures: |
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138 | * Rows [0] ... [TermWin.saveLines - 1] |
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139 | * scrollback region : we're only here if TermWin.view_start != 0 |
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140 | * Rows [TermWin.saveLines] ... [TermWin.saveLines + TermWin.nrow - 1] |
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141 | * normal `unscrolled' screen region |
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142 | */ |
165 | */ |
143 | typedef struct { |
166 | typedef struct { |
144 | int16_t *tlen; /* length of each text line */ |
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145 | text_t **text; /* _all_ the text */ |
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146 | rend_t **rend; /* rendition, uses RS_ flags */ |
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147 | row_col_t cur; /* cursor position on the screen */ |
167 | row_col_t cur; /* cursor position on the screen */ |
148 | uint16_t tscroll; /* top of settable scroll region */ |
168 | int tscroll; /* top of settable scroll region */ |
149 | uint16_t bscroll; /* bottom of settable scroll region */ |
169 | int bscroll; /* bottom of settable scroll region */ |
150 | uint16_t charset; /* character set number [0..3] */ |
170 | unsigned int charset; /* character set number [0..3] */ |
151 | unsigned int flags; /* see below */ |
171 | unsigned int flags; /* see below */ |
152 | row_col_t s_cur; /* saved cursor position */ |
172 | row_col_t s_cur; /* saved cursor position */ |
153 | uint16_t s_charset; /* saved character set number [0..3] */ |
173 | unsigned int s_charset; /* saved character set number [0..3] */ |
154 | char s_charset_char; |
174 | char s_charset_char; |
155 | rend_t s_rstyle; /* saved rendition style */ |
175 | rend_t s_rstyle; /* saved rendition style */ |
156 | } screen_t; |
176 | } screen_t; |
157 | |
177 | |
158 | enum selection_op_t { |
178 | enum selection_op_t { |
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162 | SELECTION_CONT, /* continued selection */ |
182 | SELECTION_CONT, /* continued selection */ |
163 | SELECTION_DONE /* selection put in CUT_BUFFER0 */ |
183 | SELECTION_DONE /* selection put in CUT_BUFFER0 */ |
164 | }; |
184 | }; |
165 | |
185 | |
166 | typedef struct { |
186 | typedef struct { |
167 | wchar_t *text; /* selected text */ |
187 | wchar_t *text; /* selected text */ |
168 | uint32_t len; /* length of selected text */ |
188 | unsigned int len; /* length of selected text */ |
169 | short screen; /* screen being used */ |
189 | unsigned int screen; /* screen being used */ |
170 | short clicks; /* number of clicks */ |
190 | unsigned int clicks; /* number of clicks */ |
171 | selection_op_t op; /* current operation */ |
191 | selection_op_t op; /* current operation */ |
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192 | bool rect; /* rectangluar selection? */ |
172 | row_col_t beg; /* beginning of selection <= mark */ |
193 | row_col_t beg; /* beginning of selection <= mark */ |
173 | row_col_t mark; /* point of initial click <= end */ |
194 | row_col_t mark; /* point of initial click <= end */ |
174 | row_col_t end; /* one character past end point */ |
195 | row_col_t end; /* one character past end point */ |
175 | } selection_t; |
196 | } selection_t; |
176 | |
197 | |
177 | /* ------------------------------------------------------------------------- */ |
198 | /* ------------------------------------------------------------------------- */ |
178 | |
199 | |
179 | /* screen_t flags */ |
200 | /* screen_t flags */ |
180 | #define Screen_Relative (1<<0) /* relative origin mode flag */ |
201 | #define Screen_Relative (1<<0) /* relative origin mode flag */ |
181 | #define Screen_VisibleCursor (1<<1) /* cursor visible? */ |
202 | #define Screen_VisibleCursor (1<<1) /* cursor visible? */ |
182 | #define Screen_Autowrap (1<<2) /* auto-wrap flag */ |
203 | #define Screen_Autowrap (1<<2) /* auto-wrap flag */ |
183 | #define Screen_Insert (1<<3) /* insert mode (vs. overstrike) */ |
204 | #define Screen_Insert (1<<3) /* insert mode (vs. overstrike) */ |
184 | #define Screen_WrapNext (1<<4) /* need to wrap for next char? */ |
205 | #define Screen_WrapNext (1<<4) /* need to wrap for next char? */ |
185 | #define Screen_DefaultFlags (Screen_VisibleCursor|Screen_Autowrap) |
206 | #define Screen_DefaultFlags (Screen_VisibleCursor | Screen_Autowrap) |
186 | |
207 | |
187 | /* rxvt_vars.options */ |
208 | /* rxvt_vars.options */ |
188 | #define Opt_console (1UL<<0) |
209 | enum { |
189 | #define Opt_loginShell (1UL<<1) |
210 | # define def(name,idx) Opt_ ## name = 1UL << (idx), |
190 | #define Opt_iconic (1UL<<2) |
211 | # define nodef(name) Opt_ ## name = 0, |
191 | #define Opt_visualBell (1UL<<3) |
212 | # include "optinc.h" |
192 | #define Opt_mapAlert (1UL<<4) |
213 | # undef nodef |
193 | #define Opt_reverseVideo (1UL<<5) |
214 | # undef def |
194 | #define Opt_utmpInhibit (1UL<<6) |
215 | }; |
195 | #define Opt_scrollBar (1UL<<7) |
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196 | #define Opt_scrollBar_right (1UL<<8) |
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197 | #define Opt_scrollBar_floating (1UL<<9) |
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198 | #define Opt_meta8 (1UL<<10) |
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199 | #define Opt_scrollTtyOutput (1UL<<11) |
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200 | #define Opt_scrollTtyKeypress (1UL<<12) |
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201 | #define Opt_transparent (1UL<<13) |
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202 | #define Opt_transparent_all (1UL<<14) |
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203 | #define Opt_realBold (1UL<<15) |
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204 | #define Opt_tripleclickwords (1UL<<16) |
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205 | #define Opt_scrollWithBuffer (1UL<<17) |
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206 | #define Opt_jumpScroll (1UL<<18) |
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207 | #define Opt_mouseWheelScrollPage (1UL<<19) |
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208 | #define Opt_pointerBlank (1UL<<20) |
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209 | #define Opt_cursorBlink (1UL<<21) |
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210 | #define Opt_secondaryScreen (1UL<<22) |
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211 | #define Opt_secondaryScroll (1UL<<23) |
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212 | #if ENABLE_FRILLS |
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213 | # define Opt_insecure (1UL<<24) // insecure esc sequences |
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214 | # define Opt_borderLess (1UL<<25) // mem borderless hints |
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215 | #else |
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216 | # define Opt_insecure 0 |
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217 | # define Opt_borderLess 0 |
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218 | #endif |
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219 | /* place holder used for parsing command-line options */ |
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220 | #define Opt_Reverse (1UL<<30) |
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221 | #define Opt_Boolean (1UL<<31) |
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222 | |
216 | |
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217 | #define SET_OPTION(opt) (options |= (opt)) |
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218 | #define CLR_OPTION(opt) (options &= ~(opt)) |
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219 | #define OPTION(opt) (options & (opt)) |
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220 | #define OPTION_R(opt) (r->options & (opt)) |
223 | #define DEFAULT_OPTIONS (Opt_scrollBar | Opt_scrollTtyOutput | \ |
221 | #define DEFAULT_OPTIONS (Opt_scrollBar | Opt_scrollTtyOutput \ |
224 | Opt_jumpScroll | Opt_secondaryScreen) |
222 | | Opt_jumpScroll | Opt_secondaryScreen \ |
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223 | | Opt_pastableTabs | Opt_intensityStyles) |
225 | |
224 | |
226 | /* ------------------------------------------------------------------------- */ |
225 | /* ------------------------------------------------------------------------- */ |
227 | |
226 | |
228 | typedef struct { |
227 | typedef struct { |
229 | short state; |
228 | short state; |
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232 | } menuBar_t; |
231 | } menuBar_t; |
233 | |
232 | |
234 | typedef struct { |
233 | typedef struct { |
235 | char state; /* scrollbar state */ |
234 | char state; /* scrollbar state */ |
236 | char init; /* scrollbar has been initialised */ |
235 | char init; /* scrollbar has been initialised */ |
237 | short beg; /* slider sub-window begin height */ |
236 | unsigned int beg; /* slider sub-window begin height */ |
238 | short end; /* slider sub-window end height */ |
237 | unsigned int end; /* slider sub-window end height */ |
239 | short top; /* slider top position */ |
238 | unsigned int top; /* slider top position */ |
240 | short bot; /* slider bottom position */ |
239 | unsigned int bot; /* slider bottom position */ |
241 | short style; /* style: rxvt, xterm, next */ |
240 | unsigned int style; /* style: rxvt, xterm, next */ |
242 | short width; /* scrollbar width */ |
241 | unsigned int width; /* scrollbar width */ |
243 | Window win; |
242 | Window win; |
244 | int (rxvt_term::*update)(int, int, int, int); |
243 | int (rxvt_term::*update)(int, int, int, int); |
245 | |
244 | |
246 | void setIdle() { state = 1 ; } |
245 | void setIdle() { state = 1 ; } |
247 | void setMotion() { state = 'm'; } |
246 | void setMotion() { state = 'm'; } |
248 | void setUp() { state = 'U'; } |
247 | void setUp() { state = 'U'; } |
249 | void setDn() { state = 'D'; } |
248 | void setDn() { state = 'D'; } |
250 | } scrollBar_t; |
249 | } scrollBar_t; |
251 | |
250 | |
252 | struct rxvt_vars { |
251 | struct rxvt_vars : TermWin_t { |
253 | TermWin_t TermWin; |
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254 | scrollBar_t scrollBar; |
252 | scrollBar_t scrollBar; |
255 | menuBar_t menuBar; |
253 | menuBar_t menuBar; |
256 | unsigned long options; |
254 | unsigned long options; |
257 | XSizeHints szHint; |
255 | XSizeHints szHint; |
258 | rxvt_display *display; |
256 | rxvt_display *display; |
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264 | short numpix_colors; |
262 | short numpix_colors; |
265 | Cursor TermWin_cursor; /* cursor for vt window */ |
263 | Cursor TermWin_cursor; /* cursor for vt window */ |
266 | int sb_shadow; /* scrollbar shadow width */ |
264 | int sb_shadow; /* scrollbar shadow width */ |
267 | rxvt_ptytty pty; |
265 | rxvt_ptytty pty; |
268 | int numlock_state; |
266 | int numlock_state; |
269 | text_t **drawn_text; /* text drawn on screen (characters) */ |
267 | line_t *row_buf; // all lines, scrollback + terminal, circular |
270 | rend_t **drawn_rend; /* text drawn on screen (rendition) */ |
268 | line_t *drawn_buf; // text on screen |
271 | text_t **buf_text; |
269 | line_t *temp_buf; // temporary buffer |
272 | rend_t **buf_rend; |
270 | line_t *swap_buf; // lines for swap buffer |
273 | char *tabs; /* per location: 1 == tab-stop */ |
271 | char *tabs; /* per location: 1 == tab-stop */ |
274 | screen_t screen; |
272 | screen_t screen; |
275 | screen_t swap; |
273 | screen_t swap; |
276 | selection_t selection; |
274 | selection_t selection; |
277 | }; |
275 | }; |