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/cvs/rxvt-unicode/src/rxvtlib.h.in
Revision: 1.49
Committed: Sun Dec 18 00:59:42 2005 UTC (18 years, 6 months ago) by root
Branch: MAIN
Changes since 1.48: +45 -23 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_cont ()
92 {
93 return l < 0;
94 }
95
96 void clear ()
97 {
98 t = 0;
99 r = 0;
100 l = 0;
101 }
102 };
103
104 /*
105 * TermWin elements limits
106 * width : 1 <= width
107 * height : 1 <= height
108 * ncol : 1 <= ncol <= MAX(int16_t)
109 * nrow : 1 <= nrow <= MAX(int16_t)
110 * saveLines : 0 <= saveLines <= MAX(int16_t)
111 * nsaved : 0 <= nscrolled <= saveLines
112 * term_start: 0 <= term_start < saveLines
113 * view_start: 0 <= view_start < saveLines
114 */
115
116 struct TermWin_t {
117 int width; /* window width [pixels] */
118 int height; /* window height [pixels] */
119 int fwidth; /* font width [pixels] */
120 int fheight; /* font height [pixels] */
121 int fweight, fslant;
122 int fbase; /* font ascent (baseline) [pixels] */
123 int ncol; /* window columns [characters] */
124 int nrow; /* window rows [characters] */
125 int focus; /* window has focus */
126 int mapped; /* window state mapped? */
127 int int_bwidth; /* internal border width */
128 int ext_bwidth; /* external border width */
129 int lineSpace; /* number of extra pixels between rows */
130 int saveLines; /* number of lines that fit in scrollback */
131 int nsaved; /* number of line actually scrolled */
132 int nscrolled; /*D*///TODO remove
133 int term_start; /* term lines start here */
134 int view_start; /* scrollback view starts here */
135 Window parent[6]; /* parent identifiers - we're parent[0] */
136 Window vt; /* vt100 window */
137 GC gc; /* GC for drawing */
138 Pixmap pixmap;
139 rxvt_drawable *drawable;
140 rxvt_fontset *fontset[4];
141 };
142
143 /*
144 * screen accounting:
145 * screen_t elements
146 * text: Contains all text information including the scrollback buffer.
147 * Each line is length ncol
148 * tlen: The length of the line or -1 for wrapped lines.
149 * rend: Contains rendition information: font, bold, colour, etc.
150 * * Note: Each line for both text and rend are only allocated on demand, and
151 * text[x] is allocated <=> rend[x] is allocated for all x.
152 * row: Cursor row position : 0 <= row < nrow
153 * col: Cursor column position : 0 <= col < ncol
154 * tscroll: Scrolling region top row inclusive : 0 <= row < nrow
155 * bscroll: Scrolling region bottom row inclusive : 0 <= row < nrow
156 *
157 * selection_t elements
158 * clicks: 1, 2 or 3 clicks - 4 indicates a special condition of 1 where
159 * nothing is selected
160 * beg: row/column of beginning of selection : never past mark
161 * mark: row/column of initial click : never past end
162 * end: row/column of one character past end of selection
163 * * Note: -nscrolled <= beg.row <= mark.row <= end.row < nrow
164 * * Note: col == -1 ==> we're left of screen
165 *
166 * Layout of text/rend information in the screen_t text/rend structures:
167 * Rows [0] ... [saveLines - 1]
168 * scrollback region : we're only here if view_start != 0
169 * Rows [saveLines] ... [saveLines + nrow - 1]
170 * normal `unscrolled' screen region
171 */
172 typedef struct {
173 line_t **line;
174
175 row_col_t cur; /* cursor position on the screen */
176 unsigned int tscroll; /* top of settable scroll region */
177 unsigned int bscroll; /* bottom of settable scroll region */
178 unsigned int charset; /* character set number [0..3] */
179 unsigned int flags; /* see below */
180 row_col_t s_cur; /* saved cursor position */
181 unsigned int s_charset; /* saved character set number [0..3] */
182 char s_charset_char;
183 rend_t s_rstyle; /* saved rendition style */
184 } screen_t;
185
186 enum selection_op_t {
187 SELECTION_CLEAR = 0, /* nothing selected */
188 SELECTION_INIT, /* marked a point */
189 SELECTION_BEGIN, /* started a selection */
190 SELECTION_CONT, /* continued selection */
191 SELECTION_DONE /* selection put in CUT_BUFFER0 */
192 };
193
194 typedef struct {
195 wchar_t *text; /* selected text */
196 unsigned int len; /* length of selected text */
197 unsigned int screen; /* screen being used */
198 unsigned int clicks; /* number of clicks */
199 selection_op_t op; /* current operation */
200 bool rect; /* rectangluar selection? */
201 row_col_t beg; /* beginning of selection <= mark */
202 row_col_t mark; /* point of initial click <= end */
203 row_col_t end; /* one character past end point */
204 } selection_t;
205
206 /* ------------------------------------------------------------------------- */
207
208 /* screen_t flags */
209 #define Screen_Relative (1<<0) /* relative origin mode flag */
210 #define Screen_VisibleCursor (1<<1) /* cursor visible? */
211 #define Screen_Autowrap (1<<2) /* auto-wrap flag */
212 #define Screen_Insert (1<<3) /* insert mode (vs. overstrike) */
213 #define Screen_WrapNext (1<<4) /* need to wrap for next char? */
214 #define Screen_DefaultFlags (Screen_VisibleCursor | Screen_Autowrap)
215
216 /* rxvt_vars.options */
217 #define Opt_console (1UL<<0)
218 #define Opt_loginShell (1UL<<1)
219 #define Opt_iconic (1UL<<2)
220 #define Opt_visualBell (1UL<<3)
221 #define Opt_mapAlert (1UL<<4)
222 #define Opt_reverseVideo (1UL<<5)
223 #define Opt_utmpInhibit (1UL<<6)
224 #define Opt_scrollBar (1UL<<7)
225 #define Opt_scrollBar_right (1UL<<8)
226 #define Opt_scrollBar_floating (1UL<<9)
227 #define Opt_meta8 (1UL<<10)
228 #define Opt_scrollTtyOutput (1UL<<11)
229 #define Opt_scrollTtyKeypress (1UL<<12)
230 #define Opt_transparent (1UL<<13)
231 #define Opt_tripleclickwords (1UL<<14)
232 #define Opt_scrollWithBuffer (1UL<<15)
233 #define Opt_jumpScroll (1UL<<16)
234 #define Opt_mouseWheelScrollPage (1UL<<17)
235 #define Opt_pointerBlank (1UL<<18)
236 #define Opt_cursorBlink (1UL<<19)
237 #define Opt_secondaryScreen (1UL<<20)
238 #define Opt_secondaryScroll (1UL<<21)
239 #define Opt_pastableTabs (1UL<<22)
240 #define Opt_cursorUnderline (1UL<<23)
241 #if ENABLE_FRILLS
242 # define Opt_insecure (1UL<<24) // insecure esc sequences
243 # define Opt_borderLess (1UL<<25) // mem borderless hints
244 #else
245 # define Opt_insecure 0
246 # define Opt_borderLess 0
247 #endif
248 /* place holder used for parsing command-line options */
249 #define Opt_Reverse (1UL<<30)
250 #define Opt_Boolean (1UL<<31)
251
252 #define DEFAULT_OPTIONS (Opt_scrollBar | Opt_scrollTtyOutput \
253 | Opt_jumpScroll | Opt_secondaryScreen \
254 | Opt_pastableTabs)
255
256 /* ------------------------------------------------------------------------- */
257
258 typedef struct {
259 short state;
260 Window win;
261 struct rxvt_drawable *drawable;
262 } menuBar_t;
263
264 typedef struct {
265 char state; /* scrollbar state */
266 char init; /* scrollbar has been initialised */
267 unsigned int beg; /* slider sub-window begin height */
268 unsigned int end; /* slider sub-window end height */
269 unsigned int top; /* slider top position */
270 unsigned int bot; /* slider bottom position */
271 unsigned int style; /* style: rxvt, xterm, next */
272 unsigned int width; /* scrollbar width */
273 Window win;
274 int (rxvt_term::*update)(int, int, int, int);
275
276 void setIdle() { state = 1 ; }
277 void setMotion() { state = 'm'; }
278 void setUp() { state = 'U'; }
279 void setDn() { state = 'D'; }
280 } scrollBar_t;
281
282 struct rxvt_vars : TermWin_t {
283 scrollBar_t scrollBar;
284 menuBar_t menuBar;
285 unsigned long options;
286 XSizeHints szHint;
287 rxvt_display *display;
288 rxvt_color *pix_colors;
289 rxvt_color *pix_colors_focused;
290 #ifdef OFF_FOCUS_FADING
291 rxvt_color *pix_colors_unfocused;
292 #endif
293 short numpix_colors;
294 Cursor TermWin_cursor; /* cursor for vt window */
295 int sb_shadow; /* scrollbar shadow width */
296 rxvt_ptytty pty;
297 int numlock_state;
298 line_t *save; // all lines, scorllback + terminal, circular
299 line_t *drawn; // text on screen
300 line_t *buf; // temporary buffer
301 line_t *swap_save; // lines for swap buffer
302 char *tabs; /* per location: 1 == tab-stop */
303 screen_t screen;
304 screen_t swap;
305 selection_t selection;
306 };
307
308 void rxvt_init ();
309
310 #endif /* _RXVTLIB_H_ */
311