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/cvs/rxvt-unicode/src/rxvtlib.h.in
Revision: 1.50
Committed: Mon Dec 19 02:40:14 2005 UTC (18 years, 6 months ago) by root
Branch: MAIN
Changes since 1.49: +6 -1 lines
Log Message:
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File Contents

# Content
1 #ifndef _RXVTLIB_H_ /* include once only */
2 #define _RXVTLIB_H_
3
4 #include <cstdio>
5 #include <cctype>
6 #include <cerrno>
7 @include_stdarg_h@
8 @include_stdlib_h@
9 @include_stdint_h@
10 #include <sys/types.h>
11 @include_unistd_h@
12 @include_string_h@
13 @include_fcntl_h@
14 @include_util_h@
15 @include_assert_h@
16 @include_sys_ioctl_h@
17 @include_sys_time_h@
18 @include_time_h@
19 @include_sys_select_h@
20 @include_sys_strredir_h@
21
22 #include <sys/wait.h>
23 #include <sys/stat.h>
24
25 #if HAVE_CWCHAR
26 # include <cwchar>
27 #elif HAVE_WCHAR_H
28 # include <wchar.h>
29 #else
30 // stdlib.h might provide it
31 #endif
32
33 #include "ptytty.h"
34
35 extern "C" {
36 #include <X11/Intrinsic.h> /* Xlib, Xutil, Xresource, Xfuncproto */
37 }
38
39 /*
40 * If we haven't pulled in typedef's like int16_t then do them ourself
41 * type of (normal and unsigned) basic sizes
42 */
43 @rxvt_int16_typedef@
44 @rxvt_uint16_typedef@
45 @rxvt_int32_typedef@
46 @rxvt_uint32_typedef@
47
48 /* whatever normal size corresponds to a integer pointer */
49 @rxvt_intp_define@
50 /* whatever normal size corresponds to a unsigned integer pointer */
51 @rxvt_u_intp_define@
52
53 struct rxvt_fontset;
54 struct rxvt_color;
55 struct rxvt_vars; /* defined later on */
56 struct rxvt_term;
57 struct rxvt_display;
58 struct rxvt_im;
59 struct rxvt_drawable;
60
61 typedef struct rxvt_term *rxvt_t;
62
63 extern rxvt_t rxvt_current_term;
64
65 #define SET_R(r) rxvt_current_term = (r)
66 #define GET_R rxvt_current_term
67
68 #define scrollbar_visible() scrollBar.state
69 #define menubar_visible() menuBar.state
70
71 typedef struct {
72 int row;
73 int col;
74 } row_col_t;
75
76 #if UNICODE_3
77 typedef uint32_t text_t;
78 #else
79 typedef uint16_t text_t; // saves lots of memory
80 #endif
81 typedef uint32_t rend_t;
82 typedef int16_t tlen_t;
83
84 #define LINE_CONT -1
85
86 struct 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 };
108
109 /*
110 * TermWin elements limits
111 * width : 1 <= width
112 * height : 1 <= height
113 * ncol : 1 <= ncol <= MAX(int16_t)
114 * nrow : 1 <= nrow <= MAX(int16_t)
115 * saveLines : 0 <= saveLines <= MAX(int16_t)
116 * nsaved : 0 <= nscrolled <= saveLines
117 * term_start: 0 <= term_start < saveLines
118 * view_start: 0 <= view_start < saveLines
119 */
120
121 struct TermWin_t {
122 int width; /* window width [pixels] */
123 int height; /* window height [pixels] */
124 int fwidth; /* font width [pixels] */
125 int fheight; /* font height [pixels] */
126 int fweight, fslant;
127 int fbase; /* font ascent (baseline) [pixels] */
128 int ncol; /* window columns [characters] */
129 int nrow; /* window rows [characters] */
130 int focus; /* window has focus */
131 int mapped; /* window state mapped? */
132 int int_bwidth; /* internal border width */
133 int ext_bwidth; /* external border width */
134 int lineSpace; /* number of extra pixels between rows */
135 int saveLines; /* number of lines that fit in scrollback */
136 int nsaved; /* number of line actually scrolled */
137 int nscrolled; /*D*///TODO remove
138 int term_start; /* term lines start here */
139 int view_start; /* scrollback view starts here */
140 Window parent[6]; /* parent identifiers - we're parent[0] */
141 Window vt; /* vt100 window */
142 GC gc; /* GC for drawing */
143 Pixmap pixmap;
144 rxvt_drawable *drawable;
145 rxvt_fontset *fontset[4];
146 };
147
148 /*
149 * screen accounting:
150 * screen_t elements
151 * text: Contains all text information including the scrollback buffer.
152 * Each line is length ncol
153 * tlen: The length of the line or -1 for wrapped lines.
154 * rend: Contains rendition information: font, bold, colour, etc.
155 * * Note: Each line for both text and rend are only allocated on demand, and
156 * text[x] is allocated <=> rend[x] is allocated for all x.
157 * row: Cursor row position : 0 <= row < nrow
158 * col: Cursor column position : 0 <= col < ncol
159 * tscroll: Scrolling region top row inclusive : 0 <= row < nrow
160 * bscroll: Scrolling region bottom row inclusive : 0 <= row < nrow
161 *
162 * selection_t elements
163 * clicks: 1, 2 or 3 clicks - 4 indicates a special condition of 1 where
164 * nothing is selected
165 * beg: row/column of beginning of selection : never past mark
166 * mark: row/column of initial click : never past end
167 * end: row/column of one character past end of selection
168 * * Note: -nscrolled <= beg.row <= mark.row <= end.row < nrow
169 * * Note: col == -1 ==> we're left of screen
170 *
171 * Layout of text/rend information in the screen_t text/rend structures:
172 * Rows [0] ... [saveLines - 1]
173 * scrollback region : we're only here if view_start != 0
174 * Rows [saveLines] ... [saveLines + nrow - 1]
175 * normal `unscrolled' screen region
176 */
177 typedef struct {
178 line_t **line;
179
180 row_col_t cur; /* cursor position on the screen */
181 unsigned int tscroll; /* top of settable scroll region */
182 unsigned int bscroll; /* bottom of settable scroll region */
183 unsigned int charset; /* character set number [0..3] */
184 unsigned int flags; /* see below */
185 row_col_t s_cur; /* saved cursor position */
186 unsigned int s_charset; /* saved character set number [0..3] */
187 char s_charset_char;
188 rend_t s_rstyle; /* saved rendition style */
189 } screen_t;
190
191 enum selection_op_t {
192 SELECTION_CLEAR = 0, /* nothing selected */
193 SELECTION_INIT, /* marked a point */
194 SELECTION_BEGIN, /* started a selection */
195 SELECTION_CONT, /* continued selection */
196 SELECTION_DONE /* selection put in CUT_BUFFER0 */
197 };
198
199 typedef struct {
200 wchar_t *text; /* selected text */
201 unsigned int len; /* length of selected text */
202 unsigned int screen; /* screen being used */
203 unsigned int clicks; /* number of clicks */
204 selection_op_t op; /* current operation */
205 bool rect; /* rectangluar selection? */
206 row_col_t beg; /* beginning of selection <= mark */
207 row_col_t mark; /* point of initial click <= end */
208 row_col_t end; /* one character past end point */
209 } selection_t;
210
211 /* ------------------------------------------------------------------------- */
212
213 /* screen_t flags */
214 #define Screen_Relative (1<<0) /* relative origin mode flag */
215 #define Screen_VisibleCursor (1<<1) /* cursor visible? */
216 #define Screen_Autowrap (1<<2) /* auto-wrap flag */
217 #define Screen_Insert (1<<3) /* insert mode (vs. overstrike) */
218 #define Screen_WrapNext (1<<4) /* need to wrap for next char? */
219 #define Screen_DefaultFlags (Screen_VisibleCursor | Screen_Autowrap)
220
221 /* rxvt_vars.options */
222 #define Opt_console (1UL<<0)
223 #define Opt_loginShell (1UL<<1)
224 #define Opt_iconic (1UL<<2)
225 #define Opt_visualBell (1UL<<3)
226 #define Opt_mapAlert (1UL<<4)
227 #define Opt_reverseVideo (1UL<<5)
228 #define Opt_utmpInhibit (1UL<<6)
229 #define Opt_scrollBar (1UL<<7)
230 #define Opt_scrollBar_right (1UL<<8)
231 #define Opt_scrollBar_floating (1UL<<9)
232 #define Opt_meta8 (1UL<<10)
233 #define Opt_scrollTtyOutput (1UL<<11)
234 #define Opt_scrollTtyKeypress (1UL<<12)
235 #define Opt_transparent (1UL<<13)
236 #define Opt_tripleclickwords (1UL<<14)
237 #define Opt_scrollWithBuffer (1UL<<15)
238 #define Opt_jumpScroll (1UL<<16)
239 #define Opt_mouseWheelScrollPage (1UL<<17)
240 #define Opt_pointerBlank (1UL<<18)
241 #define Opt_cursorBlink (1UL<<19)
242 #define Opt_secondaryScreen (1UL<<20)
243 #define Opt_secondaryScroll (1UL<<21)
244 #define Opt_pastableTabs (1UL<<22)
245 #define Opt_cursorUnderline (1UL<<23)
246 #if ENABLE_FRILLS
247 # define Opt_insecure (1UL<<24) // insecure esc sequences
248 # define Opt_borderLess (1UL<<25) // mem borderless hints
249 #else
250 # define Opt_insecure 0
251 # define Opt_borderLess 0
252 #endif
253 /* place holder used for parsing command-line options */
254 #define Opt_Reverse (1UL<<30)
255 #define Opt_Boolean (1UL<<31)
256
257 #define DEFAULT_OPTIONS (Opt_scrollBar | Opt_scrollTtyOutput \
258 | Opt_jumpScroll | Opt_secondaryScreen \
259 | Opt_pastableTabs)
260
261 /* ------------------------------------------------------------------------- */
262
263 typedef struct {
264 short state;
265 Window win;
266 struct rxvt_drawable *drawable;
267 } menuBar_t;
268
269 typedef struct {
270 char state; /* scrollbar state */
271 char init; /* scrollbar has been initialised */
272 unsigned int beg; /* slider sub-window begin height */
273 unsigned int end; /* slider sub-window end height */
274 unsigned int top; /* slider top position */
275 unsigned int bot; /* slider bottom position */
276 unsigned int style; /* style: rxvt, xterm, next */
277 unsigned int width; /* scrollbar width */
278 Window win;
279 int (rxvt_term::*update)(int, int, int, int);
280
281 void setIdle() { state = 1 ; }
282 void setMotion() { state = 'm'; }
283 void setUp() { state = 'U'; }
284 void setDn() { state = 'D'; }
285 } scrollBar_t;
286
287 struct rxvt_vars : TermWin_t {
288 scrollBar_t scrollBar;
289 menuBar_t menuBar;
290 unsigned long options;
291 XSizeHints szHint;
292 rxvt_display *display;
293 rxvt_color *pix_colors;
294 rxvt_color *pix_colors_focused;
295 #ifdef OFF_FOCUS_FADING
296 rxvt_color *pix_colors_unfocused;
297 #endif
298 short numpix_colors;
299 Cursor TermWin_cursor; /* cursor for vt window */
300 int sb_shadow; /* scrollbar shadow width */
301 rxvt_ptytty pty;
302 int numlock_state;
303 line_t *save; // all lines, scorllback + terminal, circular
304 line_t *drawn; // text on screen
305 line_t *buf; // temporary buffer
306 line_t *swap_save; // lines for swap buffer
307 char *tabs; /* per location: 1 == tab-stop */
308 screen_t screen;
309 screen_t swap;
310 selection_t selection;
311 };
312
313 void rxvt_init ();
314
315 #endif /* _RXVTLIB_H_ */
316