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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 1.49 by root, Sun Dec 18 00:59:42 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_cont ()
92 {
93 return l < 0;
94 }
95
96 void clear ()
97 {
98 t = 0;
99 r = 0;
100 l = 0;
101 }
102};
82 103
83/* 104/*
84 * TermWin elements limits 105 * TermWin elements limits
85 * width : 1 <= width 106 * width : 1 <= width
86 * height : 1 <= height 107 * height : 1 <= height
87 * ncol : 1 <= ncol <= MAX(int16_t) 108 * ncol : 1 <= ncol <= MAX(int16_t)
88 * nrow : 1 <= nrow <= MAX(int16_t) 109 * nrow : 1 <= nrow <= MAX(int16_t)
89 * saveLines : 0 <= saveLines <= MAX(int16_t) 110 * saveLines : 0 <= saveLines <= MAX(int16_t)
90 * nscrolled : 0 <= nscrolled <= saveLines 111 * nsaved : 0 <= nscrolled <= saveLines
112 * term_start: 0 <= term_start < saveLines
91 * view_start: 0 <= view_start <= nscrolled 113 * view_start: 0 <= view_start < saveLines
92 */ 114 */
93 115
94typedef struct { 116struct TermWin_t {
95 int width; /* window width [pixels] */ 117 int width; /* window width [pixels] */
96 int height; /* window height [pixels] */ 118 int height; /* window height [pixels] */
97 int fwidth; /* font width [pixels] */ 119 int fwidth; /* font width [pixels] */
98 int fheight; /* font height [pixels] */ 120 int fheight; /* font height [pixels] */
99 int fweight, fslant; 121 int fweight, fslant;
… …
104 int mapped; /* window state mapped? */ 126 int mapped; /* window state mapped? */
105 int int_bwidth; /* internal border width */ 127 int int_bwidth; /* internal border width */
106 int ext_bwidth; /* external border width */ 128 int ext_bwidth; /* external border width */
107 int lineSpace; /* number of extra pixels between rows */ 129 int lineSpace; /* number of extra pixels between rows */
108 int saveLines; /* number of lines that fit in scrollback */ 130 int saveLines; /* number of lines that fit in scrollback */
109 int nscrolled; /* number of line actually scrolled */ 131 int nsaved; /* number of line actually scrolled */
132 int nscrolled; /*D*///TODO remove
133 int term_start; /* term lines start here */
110 int view_start; /* scrollback view starts here */ 134 int view_start; /* scrollback view starts here */
111 Window parent[6]; /* parent identifiers - we're parent[0] */ 135 Window parent[6]; /* parent identifiers - we're parent[0] */
112 Window vt; /* vt100 window */ 136 Window vt; /* vt100 window */
113 GC gc; /* GC for drawing */ 137 GC gc; /* GC for drawing */
114 Pixmap pixmap; 138 Pixmap pixmap;
115 rxvt_drawable *drawable; 139 rxvt_drawable *drawable;
116 rxvt_fontset *fontset[4]; 140 rxvt_fontset *fontset[4];
117} TermWin_t; 141};
118 142
119/* 143/*
120 * screen accounting: 144 * screen accounting:
121 * screen_t elements 145 * screen_t elements
122 * text: Contains all text information including the scrollback buffer. 146 * text: Contains all text information including the scrollback buffer.
123 * Each line is length TermWin.ncol 147 * Each line is length ncol
124 * tlen: The length of the line or -1 for wrapped lines. 148 * tlen: The length of the line or -1 for wrapped lines.
125 * rend: Contains rendition information: font, bold, colour, etc. 149 * rend: Contains rendition information: font, bold, colour, etc.
126 * * Note: Each line for both text and rend are only allocated on demand, and 150 * * 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. 151 * text[x] is allocated <=> rend[x] is allocated for all x.
128 * row: Cursor row position : 0 <= row < TermWin.nrow 152 * row: Cursor row position : 0 <= row < nrow
129 * col: Cursor column position : 0 <= col < TermWin.ncol 153 * col: Cursor column position : 0 <= col < ncol
130 * tscroll: Scrolling region top row inclusive : 0 <= row < TermWin.nrow 154 * tscroll: Scrolling region top row inclusive : 0 <= row < nrow
131 * bscroll: Scrolling region bottom row inclusive : 0 <= row < TermWin.nrow 155 * bscroll: Scrolling region bottom row inclusive : 0 <= row < nrow
132 * 156 *
133 * selection_t elements 157 * selection_t elements
134 * 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
135 * nothing is selected 159 * nothing is selected
136 * beg: row/column of beginning of selection : never past mark 160 * beg: row/column of beginning of selection : never past mark
137 * mark: row/column of initial click : never past end 161 * mark: row/column of initial click : never past end
138 * end: row/column of one character past end of selection 162 * end: row/column of one character past end of selection
139 * * Note: -TermWin.nscrolled <= beg.row <= mark.row <= end.row < TermWin.nrow 163 * * Note: -nscrolled <= beg.row <= mark.row <= end.row < nrow
140 * * Note: col == -1 ==> we're left of screen 164 * * Note: col == -1 ==> we're left of screen
141 * 165 *
142 * Layout of text/rend information in the screen_t text/rend structures: 166 * Layout of text/rend information in the screen_t text/rend structures:
143 * Rows [0] ... [TermWin.saveLines - 1] 167 * Rows [0] ... [saveLines - 1]
144 * scrollback region : we're only here if TermWin.view_start != 0 168 * scrollback region : we're only here if view_start != 0
145 * Rows [TermWin.saveLines] ... [TermWin.saveLines + TermWin.nrow - 1] 169 * Rows [saveLines] ... [saveLines + nrow - 1]
146 * normal `unscrolled' screen region 170 * normal `unscrolled' screen region
147 */ 171 */
148typedef struct { 172typedef struct {
149 int16_t *tlen; /* length of each text line */ 173 line_t **line;
150 text_t **text; /* _all_ the text */ 174
151 rend_t **rend; /* rendition, uses RS_ flags */
152 row_col_t cur; /* cursor position on the screen */ 175 row_col_t cur; /* cursor position on the screen */
153 unsigned int tscroll; /* top of settable scroll region */ 176 unsigned int tscroll; /* top of settable scroll region */
154 unsigned int bscroll; /* bottom of settable scroll region */ 177 unsigned int bscroll; /* bottom of settable scroll region */
155 unsigned int charset; /* character set number [0..3] */ 178 unsigned int charset; /* character set number [0..3] */
156 unsigned int flags; /* see below */ 179 unsigned int flags; /* see below */
… …
254 void setMotion() { state = 'm'; } 277 void setMotion() { state = 'm'; }
255 void setUp() { state = 'U'; } 278 void setUp() { state = 'U'; }
256 void setDn() { state = 'D'; } 279 void setDn() { state = 'D'; }
257} scrollBar_t; 280} scrollBar_t;
258 281
259struct rxvt_vars { 282struct rxvt_vars : TermWin_t {
260 TermWin_t TermWin;
261 scrollBar_t scrollBar; 283 scrollBar_t scrollBar;
262 menuBar_t menuBar; 284 menuBar_t menuBar;
263 unsigned long options; 285 unsigned long options;
264 XSizeHints szHint; 286 XSizeHints szHint;
265 rxvt_display *display; 287 rxvt_display *display;
… …
271 short numpix_colors; 293 short numpix_colors;
272 Cursor TermWin_cursor; /* cursor for vt window */ 294 Cursor TermWin_cursor; /* cursor for vt window */
273 int sb_shadow; /* scrollbar shadow width */ 295 int sb_shadow; /* scrollbar shadow width */
274 rxvt_ptytty pty; 296 rxvt_ptytty pty;
275 int numlock_state; 297 int numlock_state;
276 text_t **drawn_text; /* text drawn on screen (characters) */ 298 line_t *save; // all lines, scorllback + terminal, circular
277 rend_t **drawn_rend; /* text drawn on screen (rendition) */ 299 line_t *drawn; // text on screen
278 text_t **buf_text; 300 line_t *buf; // temporary buffer
279 rend_t **buf_rend; 301 line_t *swap_save; // lines for swap buffer
280 char *tabs; /* per location: 1 == tab-stop */ 302 char *tabs; /* per location: 1 == tab-stop */
281 screen_t screen; 303 screen_t screen;
282 screen_t swap; 304 screen_t swap;
283 selection_t selection; 305 selection_t selection;
284}; 306};

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