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77 | typedef uint32_t text_t; |
77 | typedef uint32_t text_t; |
78 | #else |
78 | #else |
79 | typedef uint16_t text_t; // saves lots of memory |
79 | typedef uint16_t text_t; // saves lots of memory |
80 | #endif |
80 | #endif |
81 | typedef uint32_t rend_t; |
81 | typedef uint32_t rend_t; |
82 | typedef int16_t tlen_t; |
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 |
83 | |
84 | |
84 | #define LINE_CONT -1 |
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85 | |
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86 | struct line_t { |
85 | struct line_t; |
87 | text_t *t; // terminal the text |
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88 | rend_t *r; // rendition, uses RS_ flags |
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89 | tlen_t l; // length of each text line, LINE_CONT == continued on next line |
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90 | |
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91 | bool is_longer () |
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92 | { |
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93 | return l < 0; |
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94 | } |
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95 | |
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96 | void set_is_longer () |
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97 | { |
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98 | l = LINE_CONT; |
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99 | } |
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100 | |
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101 | void clear () |
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102 | { |
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103 | t = 0; |
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104 | r = 0; |
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105 | l = 0; |
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106 | } |
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107 | }; |
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108 | |
86 | |
109 | /* |
87 | /* |
110 | * TermWin elements limits |
88 | * terminal limits: |
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89 | * |
111 | * width : 1 <= width |
90 | * width : 1 <= width |
112 | * height : 1 <= height |
91 | * height : 1 <= height |
113 | * ncol : 1 <= ncol <= MAX(int16_t) |
92 | * ncol : 1 <= ncol <= MAX(tlen_t) |
114 | * nrow : 1 <= nrow <= MAX(int16_t) |
93 | * nrow : 1 <= nrow <= MAX(int) |
115 | * saveLines : 0 <= saveLines <= MAX(int16_t) |
94 | * saveLines : 0 <= saveLines <= MAX(int) |
116 | * nsaved : 0 <= nscrolled <= saveLines |
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117 | * term_start: 0 <= term_start < saveLines |
95 | * term_start : 0 <= term_start < saveLines |
118 | * view_start: 0 <= view_start < saveLines |
96 | * total_rows : nrow + saveLines |
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97 | * |
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98 | * top_row : -saveLines <= top_row <= 0 |
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99 | * view_start : top_row <= view_start <= 0 |
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100 | * |
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101 | * | most coordinates are stored relative to term_start, |
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102 | * ROW_BUF | which is the first line of the terminal screen |
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103 | * |························= row_buf[0] |
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104 | * |························= row_buf[1] |
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105 | * |························= row_buf[2] etc. |
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106 | * | |
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107 | * +------------+···········= term_start + top_row |
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108 | * | scrollback | |
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109 | * | scrollback +---------+·= term_start + view_start |
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110 | * | scrollback | display | |
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111 | * | scrollback | display | |
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112 | * +------------+·display·+·= term_start |
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113 | * | terminal | display | |
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114 | * | terminal +---------+ |
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115 | * | terminal | |
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116 | * | terminal | |
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117 | * +------------+···········= term_stat + nrow - 1 |
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118 | * | |
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119 | * | |
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120 | * END······················= total_rows |
119 | */ |
121 | */ |
120 | |
122 | |
121 | struct TermWin_t { |
123 | struct TermWin_t { |
122 | int width; /* window width [pixels] */ |
124 | int width; /* window width [pixels] */ |
123 | int height; /* window height [pixels] */ |
125 | int height; /* window height [pixels] */ |
124 | int fwidth; /* font width [pixels] */ |
126 | int fwidth; /* font width [pixels] */ |
125 | int fheight; /* font height [pixels] */ |
127 | int fheight; /* font height [pixels] */ |
126 | int fweight, fslant; |
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127 | int fbase; /* font ascent (baseline) [pixels] */ |
128 | int fbase; /* font ascent (baseline) [pixels] */ |
128 | int ncol; /* window columns [characters] */ |
129 | int ncol; /* window columns [characters] */ |
129 | int nrow; /* window rows [characters] */ |
130 | int nrow; /* window rows [characters] */ |
130 | int focus; /* window has focus */ |
131 | int focus; /* window has focus */ |
131 | int mapped; /* window state mapped? */ |
132 | int mapped; /* window state mapped? */ |
132 | int int_bwidth; /* internal border width */ |
133 | int int_bwidth; /* internal border width */ |
133 | int ext_bwidth; /* external border width */ |
134 | int ext_bwidth; /* external border width */ |
134 | int lineSpace; /* number of extra pixels between rows */ |
135 | int lineSpace; /* number of extra pixels between rows */ |
135 | int saveLines; /* number of lines that fit in scrollback */ |
136 | int saveLines; /* number of lines that fit in scrollback */ |
136 | int nsaved; /* number of line actually scrolled */ |
137 | int total_rows; /* total number of rows in this terminal */ |
137 | int nscrolled; /*D*///TODO remove |
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138 | int term_start; /* term lines start here */ |
138 | int term_start; /* term lines start here */ |
139 | int view_start; /* scrollback view starts here */ |
139 | int view_start; /* scrollback view starts here */ |
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140 | int top_row; /* topmost row index of scrollback */ |
140 | Window parent[6]; /* parent identifiers - we're parent[0] */ |
141 | Window parent[6]; /* parent identifiers - we're parent[0] */ |
141 | Window vt; /* vt100 window */ |
142 | Window vt; /* vt100 window */ |
142 | GC gc; /* GC for drawing */ |
143 | GC gc; /* GC for drawing */ |
143 | Pixmap pixmap; |
144 | Pixmap pixmap; |
144 | rxvt_drawable *drawable; |
145 | rxvt_drawable *drawable; |
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146 | }; |
147 | }; |
147 | |
148 | |
148 | /* |
149 | /* |
149 | * screen accounting: |
150 | * screen accounting: |
150 | * screen_t elements |
151 | * screen_t elements |
151 | * text: Contains all text information including the scrollback buffer. |
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152 | * Each line is length ncol |
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153 | * tlen: The length of the line or -1 for wrapped lines. |
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154 | * rend: Contains rendition information: font, bold, colour, etc. |
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155 | * * Note: Each line for both text and rend are only allocated on demand, and |
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156 | * text[x] is allocated <=> rend[x] is allocated for all x. |
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157 | * row: Cursor row position : 0 <= row < nrow |
152 | * row: Cursor row position : 0 <= row < nrow |
158 | * col: Cursor column position : 0 <= col < ncol |
153 | * col: Cursor column position : 0 <= col < ncol |
159 | * tscroll: Scrolling region top row inclusive : 0 <= row < nrow |
154 | * tscroll: Scrolling region top row inclusive : 0 <= row < nrow |
160 | * bscroll: Scrolling region bottom row inclusive : 0 <= row < nrow |
155 | * bscroll: Scrolling region bottom row inclusive : 0 <= row < nrow |
161 | * |
156 | * |
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163 | * clicks: 1, 2 or 3 clicks - 4 indicates a special condition of 1 where |
158 | * clicks: 1, 2 or 3 clicks - 4 indicates a special condition of 1 where |
164 | * nothing is selected |
159 | * nothing is selected |
165 | * beg: row/column of beginning of selection : never past mark |
160 | * beg: row/column of beginning of selection : never past mark |
166 | * mark: row/column of initial click : never past end |
161 | * mark: row/column of initial click : never past end |
167 | * end: row/column of one character past end of selection |
162 | * end: row/column of one character past end of selection |
168 | * * Note: -nscrolled <= beg.row <= mark.row <= end.row < nrow |
163 | * * Note: -nsaved <= beg.row <= mark.row <= end.row < nrow |
169 | * * Note: col == -1 ==> we're left of screen |
164 | * * Note: col == -1 ==> we're left of screen |
170 | * |
165 | * |
171 | * Layout of text/rend information in the screen_t text/rend structures: |
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172 | * Rows [0] ... [saveLines - 1] |
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173 | * scrollback region : we're only here if view_start != 0 |
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174 | * Rows [saveLines] ... [saveLines + nrow - 1] |
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175 | * normal `unscrolled' screen region |
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176 | */ |
166 | */ |
177 | typedef struct { |
167 | typedef struct { |
178 | line_t **line; |
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179 | |
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180 | row_col_t cur; /* cursor position on the screen */ |
168 | row_col_t cur; /* cursor position on the screen */ |
181 | unsigned int tscroll; /* top of settable scroll region */ |
169 | int tscroll; /* top of settable scroll region */ |
182 | unsigned int bscroll; /* bottom of settable scroll region */ |
170 | int bscroll; /* bottom of settable scroll region */ |
183 | unsigned int charset; /* character set number [0..3] */ |
171 | unsigned int charset; /* character set number [0..3] */ |
184 | unsigned int flags; /* see below */ |
172 | unsigned int flags; /* see below */ |
185 | row_col_t s_cur; /* saved cursor position */ |
173 | row_col_t s_cur; /* saved cursor position */ |
186 | unsigned int s_charset; /* saved character set number [0..3] */ |
174 | unsigned int s_charset; /* saved character set number [0..3] */ |
187 | char s_charset_char; |
175 | char s_charset_char; |
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217 | #define Screen_Insert (1<<3) /* insert mode (vs. overstrike) */ |
205 | #define Screen_Insert (1<<3) /* insert mode (vs. overstrike) */ |
218 | #define Screen_WrapNext (1<<4) /* need to wrap for next char? */ |
206 | #define Screen_WrapNext (1<<4) /* need to wrap for next char? */ |
219 | #define Screen_DefaultFlags (Screen_VisibleCursor | Screen_Autowrap) |
207 | #define Screen_DefaultFlags (Screen_VisibleCursor | Screen_Autowrap) |
220 | |
208 | |
221 | /* rxvt_vars.options */ |
209 | /* rxvt_vars.options */ |
222 | #define Opt_console (1UL<<0) |
210 | enum { |
223 | #define Opt_loginShell (1UL<<1) |
211 | # define def(name,idx) Opt_ ## name = 1UL << (idx), |
224 | #define Opt_iconic (1UL<<2) |
212 | # define nodef(name) Opt_ ## name = 0, |
225 | #define Opt_visualBell (1UL<<3) |
213 | # include "optinc.h" |
226 | #define Opt_mapAlert (1UL<<4) |
214 | # undef nodef |
227 | #define Opt_reverseVideo (1UL<<5) |
215 | # undef def |
228 | #define Opt_utmpInhibit (1UL<<6) |
216 | }; |
229 | #define Opt_scrollBar (1UL<<7) |
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230 | #define Opt_scrollBar_right (1UL<<8) |
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231 | #define Opt_scrollBar_floating (1UL<<9) |
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232 | #define Opt_meta8 (1UL<<10) |
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233 | #define Opt_scrollTtyOutput (1UL<<11) |
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234 | #define Opt_scrollTtyKeypress (1UL<<12) |
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235 | #define Opt_transparent (1UL<<13) |
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236 | #define Opt_tripleclickwords (1UL<<14) |
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237 | #define Opt_scrollWithBuffer (1UL<<15) |
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238 | #define Opt_jumpScroll (1UL<<16) |
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239 | #define Opt_mouseWheelScrollPage (1UL<<17) |
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240 | #define Opt_pointerBlank (1UL<<18) |
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241 | #define Opt_cursorBlink (1UL<<19) |
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242 | #define Opt_secondaryScreen (1UL<<20) |
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243 | #define Opt_secondaryScroll (1UL<<21) |
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244 | #define Opt_pastableTabs (1UL<<22) |
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245 | #define Opt_cursorUnderline (1UL<<23) |
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246 | #if ENABLE_FRILLS |
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247 | # define Opt_insecure (1UL<<24) // insecure esc sequences |
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248 | # define Opt_borderLess (1UL<<25) // mem borderless hints |
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249 | #else |
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250 | # define Opt_insecure 0 |
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251 | # define Opt_borderLess 0 |
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252 | #endif |
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253 | /* place holder used for parsing command-line options */ |
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254 | #define Opt_Reverse (1UL<<30) |
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255 | #define Opt_Boolean (1UL<<31) |
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256 | |
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257 | #define DEFAULT_OPTIONS (Opt_scrollBar | Opt_scrollTtyOutput \ |
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258 | | Opt_jumpScroll | Opt_secondaryScreen \ |
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259 | | Opt_pastableTabs) |
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260 | |
217 | |
261 | /* ------------------------------------------------------------------------- */ |
218 | /* ------------------------------------------------------------------------- */ |
262 | |
219 | |
263 | typedef struct { |
220 | typedef struct { |
264 | short state; |
221 | short state; |
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285 | } scrollBar_t; |
242 | } scrollBar_t; |
286 | |
243 | |
287 | struct rxvt_vars : TermWin_t { |
244 | struct rxvt_vars : TermWin_t { |
288 | scrollBar_t scrollBar; |
245 | scrollBar_t scrollBar; |
289 | menuBar_t menuBar; |
246 | menuBar_t menuBar; |
290 | unsigned long options; |
247 | uint32_t options; |
291 | XSizeHints szHint; |
248 | XSizeHints szHint; |
292 | rxvt_display *display; |
249 | rxvt_display *display; |
293 | rxvt_color *pix_colors; |
250 | rxvt_color *pix_colors; |
294 | rxvt_color *pix_colors_focused; |
251 | rxvt_color *pix_colors_focused; |
295 | #ifdef OFF_FOCUS_FADING |
252 | #ifdef OFF_FOCUS_FADING |
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298 | short numpix_colors; |
255 | short numpix_colors; |
299 | Cursor TermWin_cursor; /* cursor for vt window */ |
256 | Cursor TermWin_cursor; /* cursor for vt window */ |
300 | int sb_shadow; /* scrollbar shadow width */ |
257 | int sb_shadow; /* scrollbar shadow width */ |
301 | rxvt_ptytty pty; |
258 | rxvt_ptytty pty; |
302 | int numlock_state; |
259 | int numlock_state; |
303 | line_t *save; // all lines, scorllback + terminal, circular |
260 | line_t *row_buf; // all lines, scrollback + terminal, circular, followed by temp_buf |
304 | line_t *drawn; // text on screen |
261 | line_t *drawn_buf; // text on screen |
305 | line_t *buf; // temporary buffer |
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306 | line_t *swap_save; // lines for swap buffer |
262 | line_t *swap_buf; // lines for swap buffer |
307 | char *tabs; /* per location: 1 == tab-stop */ |
263 | char *tabs; /* per location: 1 == tab-stop */ |
308 | screen_t screen; |
264 | screen_t screen; |
309 | screen_t swap; |
265 | screen_t swap; |
310 | selection_t selection; |
266 | selection_t selection; |
311 | }; |
267 | }; |
312 | |
268 | |
313 | void rxvt_init (); |
269 | void rxvt_init (); |
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270 | bool rxvt_tainted (); |
314 | |
271 | |
315 | #endif /* _RXVTLIB_H_ */ |
272 | #endif /* _RXVTLIB_H_ */ |
316 | |
273 | |