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Comparing rxvt-unicode/src/rxvtlib.h.in (file contents):
Revision 1.48 by root, Tue Oct 25 19:16:50 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 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
84
85struct line_t;
82 86
83/* 87/*
84 * TermWin elements limits 88 * terminal limits:
89 *
85 * width : 1 <= width 90 * width : 1 <= width
86 * height : 1 <= height 91 * height : 1 <= height
87 * ncol : 1 <= ncol <= MAX(int16_t) 92 * ncol : 1 <= ncol <= MAX(tlen_t)
88 * nrow : 1 <= nrow <= MAX(int16_t) 93 * nrow : 1 <= nrow <= MAX(int)
89 * saveLines : 0 <= saveLines <= MAX(int16_t) 94 * saveLines : 0 <= saveLines <= MAX(int)
95 * total_rows : nrow + saveLines
90 * nscrolled : 0 <= nscrolled <= saveLines 96 * nsaved : 0 <= nsaved <= saveLines
97 * term_start : 0 <= term_start < saveLines
91 * view_start: 0 <= view_start <= nscrolled 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
92 */ 120 */
93 121
94typedef struct { 122struct TermWin_t {
95 int width; /* window width [pixels] */ 123 int width; /* window width [pixels] */
96 int height; /* window height [pixels] */ 124 int height; /* window height [pixels] */
97 int fwidth; /* font width [pixels] */ 125 int fwidth; /* font width [pixels] */
98 int fheight; /* font height [pixels] */ 126 int fheight; /* font height [pixels] */
99 int fweight, fslant;
100 int fbase; /* font ascent (baseline) [pixels] */ 127 int fbase; /* font ascent (baseline) [pixels] */
101 int ncol; /* window columns [characters] */ 128 int ncol; /* window columns [characters] */
102 int nrow; /* window rows [characters] */ 129 int nrow; /* window rows [characters] */
103 int focus; /* window has focus */ 130 int focus; /* window has focus */
104 int mapped; /* window state mapped? */ 131 int mapped; /* window state mapped? */
105 int int_bwidth; /* internal border width */ 132 int int_bwidth; /* internal border width */
106 int ext_bwidth; /* external border width */ 133 int ext_bwidth; /* external border width */
107 int lineSpace; /* number of extra pixels between rows */ 134 int lineSpace; /* number of extra pixels between rows */
108 int saveLines; /* number of lines that fit in scrollback */ 135 int saveLines; /* number of lines that fit in scrollback */
109 int nscrolled; /* number of line actually scrolled */ 136 int total_rows; /* total number of rows in this terminal */
137 int nsaved; /* number of rows saved to scrollback */
138 int term_start; /* term lines start here */
110 int view_start; /* scrollback view starts here */ 139 int view_start; /* scrollback view starts here */
111 Window parent[6]; /* parent identifiers - we're parent[0] */ 140 Window parent[6]; /* parent identifiers - we're parent[0] */
112 Window vt; /* vt100 window */ 141 Window vt; /* vt100 window */
113 GC gc; /* GC for drawing */ 142 GC gc; /* GC for drawing */
114 Pixmap pixmap; 143 Pixmap pixmap;
115 rxvt_drawable *drawable; 144 rxvt_drawable *drawable;
116 rxvt_fontset *fontset[4]; 145 rxvt_fontset *fontset[4];
117} TermWin_t; 146};
118 147
119/* 148/*
120 * screen accounting: 149 * screen accounting:
121 * screen_t elements 150 * screen_t elements
122 * text: Contains all text information including the scrollback buffer.
123 * Each line is length TermWin.ncol
124 * tlen: The length of the line or -1 for wrapped lines.
125 * rend: Contains rendition information: font, bold, colour, etc.
126 * * Note: Each line for both text and rend are only allocated on demand, and
127 * text[x] is allocated <=> rend[x] is allocated for all x.
128 * row: Cursor row position : 0 <= row < TermWin.nrow 151 * row: Cursor row position : 0 <= row < nrow
129 * col: Cursor column position : 0 <= col < TermWin.ncol 152 * col: Cursor column position : 0 <= col < ncol
130 * tscroll: Scrolling region top row inclusive : 0 <= row < TermWin.nrow 153 * tscroll: Scrolling region top row inclusive : 0 <= row < nrow
131 * bscroll: Scrolling region bottom row inclusive : 0 <= row < TermWin.nrow 154 * bscroll: Scrolling region bottom row inclusive : 0 <= row < nrow
132 * 155 *
133 * selection_t elements 156 * selection_t elements
134 * 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
135 * nothing is selected 158 * nothing is selected
136 * beg: row/column of beginning of selection : never past mark 159 * beg: row/column of beginning of selection : never past mark
137 * mark: row/column of initial click : never past end 160 * mark: row/column of initial click : never past end
138 * end: row/column of one character past end of selection 161 * end: row/column of one character past end of selection
139 * * Note: -TermWin.nscrolled <= beg.row <= mark.row <= end.row < TermWin.nrow 162 * * Note: -nsaved <= beg.row <= mark.row <= end.row < nrow
140 * * Note: col == -1 ==> we're left of screen 163 * * Note: col == -1 ==> we're left of screen
141 * 164 *
142 * Layout of text/rend information in the screen_t text/rend structures:
143 * Rows [0] ... [TermWin.saveLines - 1]
144 * scrollback region : we're only here if TermWin.view_start != 0
145 * Rows [TermWin.saveLines] ... [TermWin.saveLines + TermWin.nrow - 1]
146 * normal `unscrolled' screen region
147 */ 165 */
148typedef struct { 166typedef struct {
149 int16_t *tlen; /* length of each text line */
150 text_t **text; /* _all_ the text */
151 rend_t **rend; /* rendition, uses RS_ flags */
152 row_col_t cur; /* cursor position on the screen */ 167 row_col_t cur; /* cursor position on the screen */
153 unsigned int tscroll; /* top of settable scroll region */ 168 int tscroll; /* top of settable scroll region */
154 unsigned int bscroll; /* bottom of settable scroll region */ 169 int bscroll; /* bottom of settable scroll region */
155 unsigned int charset; /* character set number [0..3] */ 170 unsigned int charset; /* character set number [0..3] */
156 unsigned int flags; /* see below */ 171 unsigned int flags; /* see below */
157 row_col_t s_cur; /* saved cursor position */ 172 row_col_t s_cur; /* saved cursor position */
158 unsigned int s_charset; /* saved character set number [0..3] */ 173 unsigned int s_charset; /* saved character set number [0..3] */
159 char s_charset_char; 174 char s_charset_char;
… …
215#define Opt_secondaryScroll (1UL<<21) 230#define Opt_secondaryScroll (1UL<<21)
216#define Opt_pastableTabs (1UL<<22) 231#define Opt_pastableTabs (1UL<<22)
217#define Opt_cursorUnderline (1UL<<23) 232#define Opt_cursorUnderline (1UL<<23)
218#if ENABLE_FRILLS 233#if ENABLE_FRILLS
219# define Opt_insecure (1UL<<24) // insecure esc sequences 234# define Opt_insecure (1UL<<24) // insecure esc sequences
220# 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
221#else 238#else
222# define Opt_insecure 0 239# define Opt_insecure 0
223# define Opt_borderLess 0 240# define Opt_borderLess 0
241# define Opt_hold 0
242# define Opt_skipBuiltinGlyphs 0
224#endif 243#endif
225/* place holder used for parsing command-line options */ 244#if ENABLE_STYLES
226#define Opt_Reverse (1UL<<30) 245# define Opt_intensityStyles (1UL<<28) // font styles imply intensity
227#define Opt_Boolean (1UL<<31) 246#else
247# define Opt_intensityStyles 0
248#endif
228 249
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))
229#define DEFAULT_OPTIONS (Opt_scrollBar | Opt_scrollTtyOutput \ 254#define DEFAULT_OPTIONS (Opt_scrollBar | Opt_scrollTtyOutput \
230 | Opt_jumpScroll | Opt_secondaryScreen \ 255 | Opt_jumpScroll | Opt_secondaryScreen \
231 | Opt_pastableTabs) 256 | Opt_pastableTabs | Opt_intensityStyles)
232 257
233/* ------------------------------------------------------------------------- */ 258/* ------------------------------------------------------------------------- */
234 259
235typedef struct { 260typedef struct {
236 short state; 261 short state;
… …
254 void setMotion() { state = 'm'; } 279 void setMotion() { state = 'm'; }
255 void setUp() { state = 'U'; } 280 void setUp() { state = 'U'; }
256 void setDn() { state = 'D'; } 281 void setDn() { state = 'D'; }
257} scrollBar_t; 282} scrollBar_t;
258 283
259struct rxvt_vars { 284struct rxvt_vars : TermWin_t {
260 TermWin_t TermWin;
261 scrollBar_t scrollBar; 285 scrollBar_t scrollBar;
262 menuBar_t menuBar; 286 menuBar_t menuBar;
263 unsigned long options; 287 unsigned long options;
264 XSizeHints szHint; 288 XSizeHints szHint;
265 rxvt_display *display; 289 rxvt_display *display;
… …
271 short numpix_colors; 295 short numpix_colors;
272 Cursor TermWin_cursor; /* cursor for vt window */ 296 Cursor TermWin_cursor; /* cursor for vt window */
273 int sb_shadow; /* scrollbar shadow width */ 297 int sb_shadow; /* scrollbar shadow width */
274 rxvt_ptytty pty; 298 rxvt_ptytty pty;
275 int numlock_state; 299 int numlock_state;
276 text_t **drawn_text; /* text drawn on screen (characters) */ 300 line_t *row_buf; // all lines, scrollback + terminal, circular
277 rend_t **drawn_rend; /* text drawn on screen (rendition) */ 301 line_t *drawn_buf; // text on screen
278 text_t **buf_text; 302 line_t *temp_buf; // temporary buffer
279 rend_t **buf_rend; 303 line_t *swap_buf; // lines for swap buffer
280 char *tabs; /* per location: 1 == tab-stop */ 304 char *tabs; /* per location: 1 == tab-stop */
281 screen_t screen; 305 screen_t screen;
282 screen_t swap; 306 screen_t swap;
283 selection_t selection; 307 selection_t selection;
284}; 308};

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