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/cvs/rxvt-unicode/src/rxvtlib.h.in
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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 1.50 by root, Mon Dec 19 02:40:14 2005 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;
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 * TermWin elements limits
85 * width : 1 <= width 111 * width : 1 <= width
86 * height : 1 <= height 112 * height : 1 <= height
87 * ncol : 1 <= ncol <= MAX(int16_t) 113 * ncol : 1 <= ncol <= MAX(int16_t)
88 * nrow : 1 <= nrow <= MAX(int16_t) 114 * nrow : 1 <= nrow <= MAX(int16_t)
89 * saveLines : 0 <= saveLines <= MAX(int16_t) 115 * saveLines : 0 <= saveLines <= MAX(int16_t)
90 * nscrolled : 0 <= nscrolled <= saveLines 116 * nsaved : 0 <= nscrolled <= saveLines
117 * term_start: 0 <= term_start < saveLines
91 * view_start: 0 <= view_start <= nscrolled 118 * view_start: 0 <= view_start < saveLines
92 */ 119 */
93 120
94typedef struct { 121struct TermWin_t {
95 int width; /* window width [pixels] */ 122 int width; /* window width [pixels] */
96 int height; /* window height [pixels] */ 123 int height; /* window height [pixels] */
97 int fwidth; /* font width [pixels] */ 124 int fwidth; /* font width [pixels] */
98 int fheight; /* font height [pixels] */ 125 int fheight; /* font height [pixels] */
99 int fweight, fslant; 126 int fweight, fslant;
… …
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 nsaved; /* number of line actually scrolled */
137 int nscrolled; /*D*///TODO remove
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. 151 * text: Contains all text information including the scrollback buffer.
123 * Each line is length TermWin.ncol 152 * Each line is length ncol
124 * tlen: The length of the line or -1 for wrapped lines. 153 * tlen: The length of the line or -1 for wrapped lines.
125 * rend: Contains rendition information: font, bold, colour, etc. 154 * rend: Contains rendition information: font, bold, colour, etc.
126 * * Note: Each line for both text and rend are only allocated on demand, and 155 * * 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. 156 * text[x] is allocated <=> rend[x] is allocated for all x.
128 * row: Cursor row position : 0 <= row < TermWin.nrow 157 * row: Cursor row position : 0 <= row < nrow
129 * col: Cursor column position : 0 <= col < TermWin.ncol 158 * col: Cursor column position : 0 <= col < ncol
130 * tscroll: Scrolling region top row inclusive : 0 <= row < TermWin.nrow 159 * tscroll: Scrolling region top row inclusive : 0 <= row < nrow
131 * bscroll: Scrolling region bottom row inclusive : 0 <= row < TermWin.nrow 160 * bscroll: Scrolling region bottom row inclusive : 0 <= row < nrow
132 * 161 *
133 * selection_t elements 162 * selection_t elements
134 * clicks: 1, 2 or 3 clicks - 4 indicates a special condition of 1 where 163 * clicks: 1, 2 or 3 clicks - 4 indicates a special condition of 1 where
135 * nothing is selected 164 * nothing is selected
136 * beg: row/column of beginning of selection : never past mark 165 * beg: row/column of beginning of selection : never past mark
137 * mark: row/column of initial click : never past end 166 * mark: row/column of initial click : never past end
138 * end: row/column of one character past end of selection 167 * end: row/column of one character past end of selection
139 * * Note: -TermWin.nscrolled <= beg.row <= mark.row <= end.row < TermWin.nrow 168 * * Note: -nscrolled <= beg.row <= mark.row <= end.row < nrow
140 * * Note: col == -1 ==> we're left of screen 169 * * Note: col == -1 ==> we're left of screen
141 * 170 *
142 * Layout of text/rend information in the screen_t text/rend structures: 171 * Layout of text/rend information in the screen_t text/rend structures:
143 * Rows [0] ... [TermWin.saveLines - 1] 172 * Rows [0] ... [saveLines - 1]
144 * scrollback region : we're only here if TermWin.view_start != 0 173 * scrollback region : we're only here if view_start != 0
145 * Rows [TermWin.saveLines] ... [TermWin.saveLines + TermWin.nrow - 1] 174 * Rows [saveLines] ... [saveLines + nrow - 1]
146 * normal `unscrolled' screen region 175 * normal `unscrolled' screen region
147 */ 176 */
148typedef struct { 177typedef struct {
149 int16_t *tlen; /* length of each text line */ 178 line_t **line;
150 text_t **text; /* _all_ the text */ 179
151 rend_t **rend; /* rendition, uses RS_ flags */
152 row_col_t cur; /* cursor position on the screen */ 180 row_col_t cur; /* cursor position on the screen */
153 unsigned int tscroll; /* top of settable scroll region */ 181 unsigned int tscroll; /* top of settable scroll region */
154 unsigned int bscroll; /* bottom of settable scroll region */ 182 unsigned int bscroll; /* bottom of settable scroll region */
155 unsigned int charset; /* character set number [0..3] */ 183 unsigned int charset; /* character set number [0..3] */
156 unsigned int flags; /* see below */ 184 unsigned int flags; /* see below */
… …
254 void setMotion() { state = 'm'; } 282 void setMotion() { state = 'm'; }
255 void setUp() { state = 'U'; } 283 void setUp() { state = 'U'; }
256 void setDn() { state = 'D'; } 284 void setDn() { state = 'D'; }
257} scrollBar_t; 285} scrollBar_t;
258 286
259struct rxvt_vars { 287struct rxvt_vars : TermWin_t {
260 TermWin_t TermWin;
261 scrollBar_t scrollBar; 288 scrollBar_t scrollBar;
262 menuBar_t menuBar; 289 menuBar_t menuBar;
263 unsigned long options; 290 unsigned long options;
264 XSizeHints szHint; 291 XSizeHints szHint;
265 rxvt_display *display; 292 rxvt_display *display;
… …
271 short numpix_colors; 298 short numpix_colors;
272 Cursor TermWin_cursor; /* cursor for vt window */ 299 Cursor TermWin_cursor; /* cursor for vt window */
273 int sb_shadow; /* scrollbar shadow width */ 300 int sb_shadow; /* scrollbar shadow width */
274 rxvt_ptytty pty; 301 rxvt_ptytty pty;
275 int numlock_state; 302 int numlock_state;
276 text_t **drawn_text; /* text drawn on screen (characters) */ 303 line_t *save; // all lines, scorllback + terminal, circular
277 rend_t **drawn_rend; /* text drawn on screen (rendition) */ 304 line_t *drawn; // text on screen
278 text_t **buf_text; 305 line_t *buf; // temporary buffer
279 rend_t **buf_rend; 306 line_t *swap_save; // lines for swap buffer
280 char *tabs; /* per location: 1 == tab-stop */ 307 char *tabs; /* per location: 1 == tab-stop */
281 screen_t screen; 308 screen_t screen;
282 screen_t swap; 309 screen_t swap;
283 selection_t selection; 310 selection_t selection;
284}; 311};

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