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Comparing rxvt-unicode/src/rxvtlib.h.in (file contents):
Revision 1.49 by root, Sun Dec 18 00:59:42 2005 UTC vs.
Revision 1.59 by root, Thu Jan 5 21:21:49 2006 UTC

… …
77typedef uint32_t text_t; 77typedef uint32_t text_t;
78#else 78#else
79typedef uint16_t text_t; // saves lots of memory 79typedef uint16_t text_t; // saves lots of memory
80#endif 80#endif
81typedef uint32_t rend_t; 81typedef uint32_t rend_t;
82typedef int16_t tlen_t; 82typedef int32_t tlen_t; // was int16_t, but this results in smaller code and memory use
83typedef int32_t tlen_t_; // specifically for use in the line_t structure
83 84
84#define LINE_CONT -1
85
86struct line_t { 85struct line_t;
87 text_t *t; // terminal the text
88 rend_t *r; // rendition, uses RS_ flags
89 tlen_t l; // length of each text line, LINE_CONT == continued on next line
90
91 bool is_cont ()
92 {
93 return l < 0;
94 }
95
96 void clear ()
97 {
98 t = 0;
99 r = 0;
100 l = 0;
101 }
102};
103 86
104/* 87/*
105 * TermWin elements limits 88 * terminal limits:
89 *
106 * width : 1 <= width 90 * width : 1 <= width
107 * height : 1 <= height 91 * height : 1 <= height
108 * ncol : 1 <= ncol <= MAX(int16_t) 92 * ncol : 1 <= ncol <= MAX(tlen_t)
109 * nrow : 1 <= nrow <= MAX(int16_t) 93 * nrow : 1 <= nrow <= MAX(int)
110 * saveLines : 0 <= saveLines <= MAX(int16_t) 94 * saveLines : 0 <= saveLines <= MAX(int)
95 * total_rows : nrow + saveLines
111 * nsaved : 0 <= nscrolled <= saveLines 96 * nsaved : 0 <= nsaved <= saveLines
112 * term_start: 0 <= term_start < saveLines 97 * term_start : 0 <= term_start < saveLines
113 * view_start: 0 <= view_start < saveLines 98 * view_start : 0 <= view_start < saveLines
99 *
100 * | most coordinates are stored relative to term_start,
101 * ROW_BUF | which is the first line of the terminal screen
102 * |························= row_buf[0]
103 * |························= row_buf[1]
104 * |························= row_buf[2] etc.
105 * |
106 * +------------+···········= term_start - nsaved
107 * | scrollback |
108 * | scrollback +---------+·= term_start - view_start
109 * | scrollback | display |
110 * | scrollback | display |
111 * +------------+·display·+·= term_start
112 * | terminal | display |
113 * | terminal +---------+
114 * | terminal |
115 * | terminal |
116 * +------------+···········= term_stat + nrow - 1
117 * |
118 * |
119 * END······················= total_rows
114 */ 120 */
115 121
116struct TermWin_t { 122struct TermWin_t {
117 int width; /* window width [pixels] */ 123 int width; /* window width [pixels] */
118 int height; /* window height [pixels] */ 124 int height; /* window height [pixels] */
119 int fwidth; /* font width [pixels] */ 125 int fwidth; /* font width [pixels] */
120 int fheight; /* font height [pixels] */ 126 int fheight; /* font height [pixels] */
121 int fweight, fslant;
122 int fbase; /* font ascent (baseline) [pixels] */ 127 int fbase; /* font ascent (baseline) [pixels] */
123 int ncol; /* window columns [characters] */ 128 int ncol; /* window columns [characters] */
124 int nrow; /* window rows [characters] */ 129 int nrow; /* window rows [characters] */
125 int focus; /* window has focus */ 130 int focus; /* window has focus */
126 int mapped; /* window state mapped? */ 131 int mapped; /* window state mapped? */
127 int int_bwidth; /* internal border width */ 132 int int_bwidth; /* internal border width */
128 int ext_bwidth; /* external border width */ 133 int ext_bwidth; /* external border width */
129 int lineSpace; /* number of extra pixels between rows */ 134 int lineSpace; /* number of extra pixels between rows */
130 int saveLines; /* number of lines that fit in scrollback */ 135 int saveLines; /* number of lines that fit in scrollback */
136 int total_rows; /* total number of rows in this terminal */
131 int nsaved; /* number of line actually scrolled */ 137 int nsaved; /* number of rows saved to scrollback */
132 int nscrolled; /*D*///TODO remove
133 int term_start; /* term lines start here */ 138 int term_start; /* term lines start here */
134 int view_start; /* scrollback view starts here */ 139 int view_start; /* scrollback view starts here */
135 Window parent[6]; /* parent identifiers - we're parent[0] */ 140 Window parent[6]; /* parent identifiers - we're parent[0] */
136 Window vt; /* vt100 window */ 141 Window vt; /* vt100 window */
137 GC gc; /* GC for drawing */ 142 GC gc; /* GC for drawing */
… …
141}; 146};
142 147
143/* 148/*
144 * screen accounting: 149 * screen accounting:
145 * screen_t elements 150 * screen_t elements
146 * text: Contains all text information including the scrollback buffer.
147 * Each line is length ncol
148 * tlen: The length of the line or -1 for wrapped lines.
149 * rend: Contains rendition information: font, bold, colour, etc.
150 * * Note: Each line for both text and rend are only allocated on demand, and
151 * text[x] is allocated <=> rend[x] is allocated for all x.
152 * row: Cursor row position : 0 <= row < nrow 151 * row: Cursor row position : 0 <= row < nrow
153 * col: Cursor column position : 0 <= col < ncol 152 * col: Cursor column position : 0 <= col < ncol
154 * tscroll: Scrolling region top row inclusive : 0 <= row < nrow 153 * tscroll: Scrolling region top row inclusive : 0 <= row < nrow
155 * bscroll: Scrolling region bottom row inclusive : 0 <= row < nrow 154 * bscroll: Scrolling region bottom row inclusive : 0 <= row < nrow
156 * 155 *
… …
158 * 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
159 * nothing is selected 158 * nothing is selected
160 * beg: row/column of beginning of selection : never past mark 159 * beg: row/column of beginning of selection : never past mark
161 * mark: row/column of initial click : never past end 160 * mark: row/column of initial click : never past end
162 * end: row/column of one character past end of selection 161 * end: row/column of one character past end of selection
163 * * Note: -nscrolled <= beg.row <= mark.row <= end.row < nrow 162 * * Note: -nsaved <= beg.row <= mark.row <= end.row < nrow
164 * * Note: col == -1 ==> we're left of screen 163 * * Note: col == -1 ==> we're left of screen
165 * 164 *
166 * Layout of text/rend information in the screen_t text/rend structures:
167 * Rows [0] ... [saveLines - 1]
168 * scrollback region : we're only here if view_start != 0
169 * Rows [saveLines] ... [saveLines + nrow - 1]
170 * normal `unscrolled' screen region
171 */ 165 */
172typedef struct { 166typedef struct {
173 line_t **line;
174
175 row_col_t cur; /* cursor position on the screen */ 167 row_col_t cur; /* cursor position on the screen */
176 unsigned int tscroll; /* top of settable scroll region */ 168 int tscroll; /* top of settable scroll region */
177 unsigned int bscroll; /* bottom of settable scroll region */ 169 int bscroll; /* bottom of settable scroll region */
178 unsigned int charset; /* character set number [0..3] */ 170 unsigned int charset; /* character set number [0..3] */
179 unsigned int flags; /* see below */ 171 unsigned int flags; /* see below */
180 row_col_t s_cur; /* saved cursor position */ 172 row_col_t s_cur; /* saved cursor position */
181 unsigned int s_charset; /* saved character set number [0..3] */ 173 unsigned int s_charset; /* saved character set number [0..3] */
182 char s_charset_char; 174 char s_charset_char;
… …
238#define Opt_secondaryScroll (1UL<<21) 230#define Opt_secondaryScroll (1UL<<21)
239#define Opt_pastableTabs (1UL<<22) 231#define Opt_pastableTabs (1UL<<22)
240#define Opt_cursorUnderline (1UL<<23) 232#define Opt_cursorUnderline (1UL<<23)
241#if ENABLE_FRILLS 233#if ENABLE_FRILLS
242# define Opt_insecure (1UL<<24) // insecure esc sequences 234# define Opt_insecure (1UL<<24) // insecure esc sequences
243# define Opt_borderLess (1UL<<25) // mem borderless hints 235# define Opt_borderLess (1UL<<25) // mwm borderless hints
236# define Opt_hold (1UL<<26) // hold window open after exit
237# define Opt_skipBuiltinGlyphs (1UL<<27) // do not use internal glyphs
244#else 238#else
245# define Opt_insecure 0 239# define Opt_insecure 0
246# define Opt_borderLess 0 240# define Opt_borderLess 0
241# define Opt_hold 0
242# define Opt_skipBuiltinGlyphs 0
247#endif 243#endif
248/* place holder used for parsing command-line options */ 244#if ENABLE_STYLES
249#define Opt_Reverse (1UL<<30) 245# define Opt_intensityStyles (1UL<<28) // font styles imply intensity
250#define Opt_Boolean (1UL<<31) 246#else
247# define Opt_intensityStyles 0
248#endif
251 249
250#define SET_OPTION(opt) (options |= (opt))
251#define CLR_OPTION(opt) (options &= ~(opt))
252#define OPTION(opt) (options & (opt))
253#define OPTION_R(opt) (r->options & (opt))
252#define DEFAULT_OPTIONS (Opt_scrollBar | Opt_scrollTtyOutput \ 254#define DEFAULT_OPTIONS (Opt_scrollBar | Opt_scrollTtyOutput \
253 | Opt_jumpScroll | Opt_secondaryScreen \ 255 | Opt_jumpScroll | Opt_secondaryScreen \
254 | Opt_pastableTabs) 256 | Opt_pastableTabs | Opt_intensityStyles)
255 257
256/* ------------------------------------------------------------------------- */ 258/* ------------------------------------------------------------------------- */
257 259
258typedef struct { 260typedef struct {
259 short state; 261 short state;
… …
293 short numpix_colors; 295 short numpix_colors;
294 Cursor TermWin_cursor; /* cursor for vt window */ 296 Cursor TermWin_cursor; /* cursor for vt window */
295 int sb_shadow; /* scrollbar shadow width */ 297 int sb_shadow; /* scrollbar shadow width */
296 rxvt_ptytty pty; 298 rxvt_ptytty pty;
297 int numlock_state; 299 int numlock_state;
298 line_t *save; // all lines, scorllback + terminal, circular 300 line_t *row_buf; // all lines, scrollback + terminal, circular
299 line_t *drawn; // text on screen 301 line_t *drawn_buf; // text on screen
300 line_t *buf; // temporary buffer 302 line_t *temp_buf; // temporary buffer
301 line_t *swap_save; // lines for swap buffer 303 line_t *swap_buf; // lines for swap buffer
302 char *tabs; /* per location: 1 == tab-stop */ 304 char *tabs; /* per location: 1 == tab-stop */
303 screen_t screen; 305 screen_t screen;
304 screen_t swap; 306 screen_t swap;
305 selection_t selection; 307 selection_t selection;
306}; 308};

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