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Comparing rxvt-unicode/src/rxvtlib.h.in (file contents):
Revision 1.47 by root, Tue Oct 25 19:04:46 2005 UTC vs.
Revision 1.58 by root, Wed Jan 4 20:43:38 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 result sin smaller code and memory use
83
84#define LINE_CONT -1
85
86struct 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_longer ()
92 {
93 return l < 0;
94 }
95
96 void set_is_longer ()
97 {
98 l = LINE_CONT;
99 }
100
101 void clear ()
102 {
103 t = 0;
104 r = 0;
105 l = 0;
106 }
107};
82 108
83/* 109/*
84 * TermWin elements limits 110 * terminal limits:
111 *
85 * width : 1 <= width 112 * width : 1 <= width
86 * height : 1 <= height 113 * height : 1 <= height
87 * ncol : 1 <= ncol <= MAX(int16_t) 114 * ncol : 1 <= ncol <= MAX(tlen_t)
88 * nrow : 1 <= nrow <= MAX(int16_t) 115 * nrow : 1 <= nrow <= MAX(int)
89 * saveLines : 0 <= saveLines <= MAX(int16_t) 116 * saveLines : 0 <= saveLines <= MAX(int)
117 * total_rows : nrow + saveLines
90 * nscrolled : 0 <= nscrolled <= saveLines 118 * nsaved : 0 <= nsaved <= saveLines
119 * term_start : 0 <= term_start < saveLines
91 * view_start: 0 <= view_start <= nscrolled 120 * view_start : 0 <= view_start < saveLines
121 *
122 * | most coordinates are stored relative to term_start,
123 * ROW_BUF | which is the first line of the terminal screen
124 * |························= row_buf[0]
125 * |························= row_buf[1]
126 * |························= row_buf[2] etc.
127 * |
128 * +------------+···········= term_start - nsaved
129 * | scrollback |
130 * | scrollback +---------+·= term_start - view_start
131 * | scrollback | display |
132 * | scrollback | display |
133 * +------------+·display·+·= term_start
134 * | terminal | display |
135 * | terminal +---------+
136 * | terminal |
137 * | terminal |
138 * +------------+···········= term_stat + nrow - 1
139 * |
140 * |
141 * END······················= total_rows
92 */ 142 */
93 143
94typedef struct { 144struct TermWin_t {
95 int width; /* window width [pixels] */ 145 int width; /* window width [pixels] */
96 int height; /* window height [pixels] */ 146 int height; /* window height [pixels] */
97 int fwidth; /* font width [pixels] */ 147 int fwidth; /* font width [pixels] */
98 int fheight; /* font height [pixels] */ 148 int fheight; /* font height [pixels] */
99 int fweight, fslant;
100 int fbase; /* font ascent (baseline) [pixels] */ 149 int fbase; /* font ascent (baseline) [pixels] */
101 int ncol; /* window columns [characters] */ 150 int ncol; /* window columns [characters] */
102 int nrow; /* window rows [characters] */ 151 int nrow; /* window rows [characters] */
103 int focus; /* window has focus */ 152 int focus; /* window has focus */
104 int mapped; /* window state mapped? */ 153 int mapped; /* window state mapped? */
105 int int_bwidth; /* internal border width */ 154 int int_bwidth; /* internal border width */
106 int ext_bwidth; /* external border width */ 155 int ext_bwidth; /* external border width */
107 int lineSpace; /* number of extra pixels between rows */ 156 int lineSpace; /* number of extra pixels between rows */
108 int saveLines; /* number of lines that fit in scrollback */ 157 int saveLines; /* number of lines that fit in scrollback */
109 int nscrolled; /* number of line actually scrolled */ 158 int total_rows; /* total number of rows in this terminal */
159 int nsaved; /* number of rows saved to scrollback */
160 int term_start; /* term lines start here */
110 int view_start; /* scrollback view starts here */ 161 int view_start; /* scrollback view starts here */
111 Window parent[6]; /* parent identifiers - we're parent[0] */ 162 Window parent[6]; /* parent identifiers - we're parent[0] */
112 Window vt; /* vt100 window */ 163 Window vt; /* vt100 window */
113 GC gc; /* GC for drawing */ 164 GC gc; /* GC for drawing */
114 Pixmap pixmap; 165 Pixmap pixmap;
115 rxvt_drawable *drawable; 166 rxvt_drawable *drawable;
116 rxvt_fontset *fontset[4]; 167 rxvt_fontset *fontset[4];
117} TermWin_t; 168};
118 169
119/* 170/*
120 * screen accounting: 171 * screen accounting:
121 * screen_t elements 172 * 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 173 * row: Cursor row position : 0 <= row < nrow
129 * col: Cursor column position : 0 <= col < TermWin.ncol 174 * col: Cursor column position : 0 <= col < ncol
130 * tscroll: Scrolling region top row inclusive : 0 <= row < TermWin.nrow 175 * tscroll: Scrolling region top row inclusive : 0 <= row < nrow
131 * bscroll: Scrolling region bottom row inclusive : 0 <= row < TermWin.nrow 176 * bscroll: Scrolling region bottom row inclusive : 0 <= row < nrow
132 * 177 *
133 * selection_t elements 178 * selection_t elements
134 * clicks: 1, 2 or 3 clicks - 4 indicates a special condition of 1 where 179 * clicks: 1, 2 or 3 clicks - 4 indicates a special condition of 1 where
135 * nothing is selected 180 * nothing is selected
136 * beg: row/column of beginning of selection : never past mark 181 * beg: row/column of beginning of selection : never past mark
137 * mark: row/column of initial click : never past end 182 * mark: row/column of initial click : never past end
138 * end: row/column of one character past end of selection 183 * end: row/column of one character past end of selection
139 * * Note: -TermWin.nscrolled <= beg.row <= mark.row <= end.row < TermWin.nrow 184 * * Note: -nsaved <= beg.row <= mark.row <= end.row < nrow
140 * * Note: col == -1 ==> we're left of screen 185 * * Note: col == -1 ==> we're left of screen
141 * 186 *
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 */ 187 */
148typedef struct { 188typedef 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 */ 189 row_col_t cur; /* cursor position on the screen */
153 unsigned int tscroll; /* top of settable scroll region */ 190 int tscroll; /* top of settable scroll region */
154 unsigned int bscroll; /* bottom of settable scroll region */ 191 int bscroll; /* bottom of settable scroll region */
155 unsigned int charset; /* character set number [0..3] */ 192 unsigned int charset; /* character set number [0..3] */
156 unsigned int flags; /* see below */ 193 unsigned int flags; /* see below */
157 row_col_t s_cur; /* saved cursor position */ 194 row_col_t s_cur; /* saved cursor position */
158 unsigned int s_charset; /* saved character set number [0..3] */ 195 unsigned int s_charset; /* saved character set number [0..3] */
159 char s_charset_char; 196 char s_charset_char;
… …
186#define Screen_Relative (1<<0) /* relative origin mode flag */ 223#define Screen_Relative (1<<0) /* relative origin mode flag */
187#define Screen_VisibleCursor (1<<1) /* cursor visible? */ 224#define Screen_VisibleCursor (1<<1) /* cursor visible? */
188#define Screen_Autowrap (1<<2) /* auto-wrap flag */ 225#define Screen_Autowrap (1<<2) /* auto-wrap flag */
189#define Screen_Insert (1<<3) /* insert mode (vs. overstrike) */ 226#define Screen_Insert (1<<3) /* insert mode (vs. overstrike) */
190#define Screen_WrapNext (1<<4) /* need to wrap for next char? */ 227#define Screen_WrapNext (1<<4) /* need to wrap for next char? */
191#define Screen_DefaultFlags (Screen_VisibleCursor|Screen_Autowrap) 228#define Screen_DefaultFlags (Screen_VisibleCursor | Screen_Autowrap)
192 229
193/* rxvt_vars.options */ 230/* rxvt_vars.options */
194#define Opt_console (1UL<<0) 231#define Opt_console (1UL<<0)
195#define Opt_loginShell (1UL<<1) 232#define Opt_loginShell (1UL<<1)
196#define Opt_iconic (1UL<<2) 233#define Opt_iconic (1UL<<2)
… …
215#define Opt_secondaryScroll (1UL<<21) 252#define Opt_secondaryScroll (1UL<<21)
216#define Opt_pastableTabs (1UL<<22) 253#define Opt_pastableTabs (1UL<<22)
217#define Opt_cursorUnderline (1UL<<23) 254#define Opt_cursorUnderline (1UL<<23)
218#if ENABLE_FRILLS 255#if ENABLE_FRILLS
219# define Opt_insecure (1UL<<24) // insecure esc sequences 256# define Opt_insecure (1UL<<24) // insecure esc sequences
220# define Opt_borderLess (1UL<<25) // mem borderless hints 257# define Opt_borderLess (1UL<<25) // mwm borderless hints
258# define Opt_hold (1UL<<26) // hold window open after exit
259# define Opt_skipBuiltinGlyphs (1UL<<27) // do not use internal glyphs
221#else 260#else
222# define Opt_insecure 0 261# define Opt_insecure 0
223# define Opt_borderLess 0 262# define Opt_borderLess 0
263# define Opt_hold 0
264# define Opt_skipBuiltinGlyphs 0
224#endif 265#endif
225/* place holder used for parsing command-line options */ 266#if ENABLE_STYLES
226#define Opt_Reverse (1UL<<30) 267# define Opt_intensityStyles (1UL<<28) // font styles imply intensity
227#define Opt_Boolean (1UL<<31) 268#else
269# define Opt_intensityStyles 0
270#endif
228 271
272#define SET_OPTION(opt) (options |= (opt))
273#define CLR_OPTION(opt) (options &= ~(opt))
274#define OPTION(opt) (options & (opt))
275#define OPTION_R(opt) (r->options & (opt))
229#define DEFAULT_OPTIONS (Opt_scrollBar | Opt_scrollTtyOutput \ 276#define DEFAULT_OPTIONS (Opt_scrollBar | Opt_scrollTtyOutput \
230 | Opt_jumpScroll | Opt_secondaryScreen \ 277 | Opt_jumpScroll | Opt_secondaryScreen \
231 | Opt_pastableTabs) 278 | Opt_pastableTabs | Opt_intensityStyles)
232 279
233/* ------------------------------------------------------------------------- */ 280/* ------------------------------------------------------------------------- */
234 281
235typedef struct { 282typedef struct {
236 short state; 283 short state;
… …
254 void setMotion() { state = 'm'; } 301 void setMotion() { state = 'm'; }
255 void setUp() { state = 'U'; } 302 void setUp() { state = 'U'; }
256 void setDn() { state = 'D'; } 303 void setDn() { state = 'D'; }
257} scrollBar_t; 304} scrollBar_t;
258 305
259struct rxvt_vars { 306struct rxvt_vars : TermWin_t {
260 TermWin_t TermWin;
261 scrollBar_t scrollBar; 307 scrollBar_t scrollBar;
262 menuBar_t menuBar; 308 menuBar_t menuBar;
263 unsigned long options; 309 unsigned long options;
264 XSizeHints szHint; 310 XSizeHints szHint;
265 rxvt_display *display; 311 rxvt_display *display;
… …
271 short numpix_colors; 317 short numpix_colors;
272 Cursor TermWin_cursor; /* cursor for vt window */ 318 Cursor TermWin_cursor; /* cursor for vt window */
273 int sb_shadow; /* scrollbar shadow width */ 319 int sb_shadow; /* scrollbar shadow width */
274 rxvt_ptytty pty; 320 rxvt_ptytty pty;
275 int numlock_state; 321 int numlock_state;
276 text_t **drawn_text; /* text drawn on screen (characters) */ 322 line_t *row_buf; // all lines, scrollback + terminal, circular
277 rend_t **drawn_rend; /* text drawn on screen (rendition) */ 323 line_t *drawn_buf; // text on screen
278 text_t **buf_text; 324 line_t *temp_buf; // temporary buffer
279 rend_t **buf_rend; 325 line_t *swap_buf; // lines for swap buffer
280 char *tabs; /* per location: 1 == tab-stop */ 326 char *tabs; /* per location: 1 == tab-stop */
281 screen_t screen; 327 screen_t screen;
282 screen_t swap; 328 screen_t swap;
283 selection_t selection; 329 selection_t selection;
284}; 330};

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