| 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 |
* nlines : nrow + saveLines |
| 117 |
* nsaved : 0 <= nsaved <= saveLines |
| 118 |
* term_start: 0 <= term_start < saveLines |
| 119 |
* view_start: 0 <= view_start < saveLines |
| 120 |
*/ |
| 121 |
|
| 122 |
struct TermWin_t { |
| 123 |
int width; /* window width [pixels] */ |
| 124 |
int height; /* window height [pixels] */ |
| 125 |
int fwidth; /* font width [pixels] */ |
| 126 |
int fheight; /* font height [pixels] */ |
| 127 |
int fweight, fslant; |
| 128 |
int fbase; /* font ascent (baseline) [pixels] */ |
| 129 |
int ncol; /* window columns [characters] */ |
| 130 |
int nrow; /* window rows [characters] */ |
| 131 |
int focus; /* window has focus */ |
| 132 |
int mapped; /* window state mapped? */ |
| 133 |
int int_bwidth; /* internal border width */ |
| 134 |
int ext_bwidth; /* external border width */ |
| 135 |
int lineSpace; /* number of extra pixels between rows */ |
| 136 |
int saveLines; /* number of lines that fit in scrollback */ |
| 137 |
int total_rows; /* total number of rows in this terminal */ |
| 138 |
int nsaved; /* number of rows saved to scrollback */ |
| 139 |
int term_start; /* term lines start here */ |
| 140 |
int view_start; /* scrollback view starts here */ |
| 141 |
Window parent[6]; /* parent identifiers - we're parent[0] */ |
| 142 |
Window vt; /* vt100 window */ |
| 143 |
GC gc; /* GC for drawing */ |
| 144 |
Pixmap pixmap; |
| 145 |
rxvt_drawable *drawable; |
| 146 |
rxvt_fontset *fontset[4]; |
| 147 |
}; |
| 148 |
|
| 149 |
/* |
| 150 |
* screen accounting: |
| 151 |
* screen_t elements |
| 152 |
* text: Contains all text information including the scrollback buffer. |
| 153 |
* Each line is length ncol |
| 154 |
* tlen: The length of the line or -1 for wrapped lines. |
| 155 |
* rend: Contains rendition information: font, bold, colour, etc. |
| 156 |
* * Note: Each line for both text and rend are only allocated on demand, and |
| 157 |
* text[x] is allocated <=> rend[x] is allocated for all x. |
| 158 |
* row: Cursor row position : 0 <= row < nrow |
| 159 |
* col: Cursor column position : 0 <= col < ncol |
| 160 |
* tscroll: Scrolling region top row inclusive : 0 <= row < nrow |
| 161 |
* bscroll: Scrolling region bottom row inclusive : 0 <= row < nrow |
| 162 |
* |
| 163 |
* selection_t elements |
| 164 |
* clicks: 1, 2 or 3 clicks - 4 indicates a special condition of 1 where |
| 165 |
* nothing is selected |
| 166 |
* beg: row/column of beginning of selection : never past mark |
| 167 |
* mark: row/column of initial click : never past end |
| 168 |
* end: row/column of one character past end of selection |
| 169 |
* * Note: -nsaved <= beg.row <= mark.row <= end.row < nrow |
| 170 |
* * Note: col == -1 ==> we're left of screen |
| 171 |
* |
| 172 |
* Layout of text/rend information in the screen_t text/rend structures: |
| 173 |
* Rows [0] ... [saveLines - 1] |
| 174 |
* scrollback region : we're only here if view_start != 0 |
| 175 |
* Rows [saveLines] ... [saveLines + nrow - 1] |
| 176 |
* normal `unsaved' screen region |
| 177 |
*/ |
| 178 |
typedef struct { |
| 179 |
line_t **line; |
| 180 |
|
| 181 |
row_col_t cur; /* cursor position on the screen */ |
| 182 |
unsigned int tscroll; /* top of settable scroll region */ |
| 183 |
unsigned int bscroll; /* bottom of settable scroll region */ |
| 184 |
unsigned int charset; /* character set number [0..3] */ |
| 185 |
unsigned int flags; /* see below */ |
| 186 |
row_col_t s_cur; /* saved cursor position */ |
| 187 |
unsigned int s_charset; /* saved character set number [0..3] */ |
| 188 |
char s_charset_char; |
| 189 |
rend_t s_rstyle; /* saved rendition style */ |
| 190 |
} screen_t; |
| 191 |
|
| 192 |
enum selection_op_t { |
| 193 |
SELECTION_CLEAR = 0, /* nothing selected */ |
| 194 |
SELECTION_INIT, /* marked a point */ |
| 195 |
SELECTION_BEGIN, /* started a selection */ |
| 196 |
SELECTION_CONT, /* continued selection */ |
| 197 |
SELECTION_DONE /* selection put in CUT_BUFFER0 */ |
| 198 |
}; |
| 199 |
|
| 200 |
typedef struct { |
| 201 |
wchar_t *text; /* selected text */ |
| 202 |
unsigned int len; /* length of selected text */ |
| 203 |
unsigned int screen; /* screen being used */ |
| 204 |
unsigned int clicks; /* number of clicks */ |
| 205 |
selection_op_t op; /* current operation */ |
| 206 |
bool rect; /* rectangluar selection? */ |
| 207 |
row_col_t beg; /* beginning of selection <= mark */ |
| 208 |
row_col_t mark; /* point of initial click <= end */ |
| 209 |
row_col_t end; /* one character past end point */ |
| 210 |
} selection_t; |
| 211 |
|
| 212 |
/* ------------------------------------------------------------------------- */ |
| 213 |
|
| 214 |
/* screen_t flags */ |
| 215 |
#define Screen_Relative (1<<0) /* relative origin mode flag */ |
| 216 |
#define Screen_VisibleCursor (1<<1) /* cursor visible? */ |
| 217 |
#define Screen_Autowrap (1<<2) /* auto-wrap flag */ |
| 218 |
#define Screen_Insert (1<<3) /* insert mode (vs. overstrike) */ |
| 219 |
#define Screen_WrapNext (1<<4) /* need to wrap for next char? */ |
| 220 |
#define Screen_DefaultFlags (Screen_VisibleCursor | Screen_Autowrap) |
| 221 |
|
| 222 |
/* rxvt_vars.options */ |
| 223 |
#define Opt_console (1UL<<0) |
| 224 |
#define Opt_loginShell (1UL<<1) |
| 225 |
#define Opt_iconic (1UL<<2) |
| 226 |
#define Opt_visualBell (1UL<<3) |
| 227 |
#define Opt_mapAlert (1UL<<4) |
| 228 |
#define Opt_reverseVideo (1UL<<5) |
| 229 |
#define Opt_utmpInhibit (1UL<<6) |
| 230 |
#define Opt_scrollBar (1UL<<7) |
| 231 |
#define Opt_scrollBar_right (1UL<<8) |
| 232 |
#define Opt_scrollBar_floating (1UL<<9) |
| 233 |
#define Opt_meta8 (1UL<<10) |
| 234 |
#define Opt_scrollTtyOutput (1UL<<11) |
| 235 |
#define Opt_scrollTtyKeypress (1UL<<12) |
| 236 |
#define Opt_transparent (1UL<<13) |
| 237 |
#define Opt_tripleclickwords (1UL<<14) |
| 238 |
#define Opt_scrollWithBuffer (1UL<<15) |
| 239 |
#define Opt_jumpScroll (1UL<<16) |
| 240 |
#define Opt_mouseWheelScrollPage (1UL<<17) |
| 241 |
#define Opt_pointerBlank (1UL<<18) |
| 242 |
#define Opt_cursorBlink (1UL<<19) |
| 243 |
#define Opt_secondaryScreen (1UL<<20) |
| 244 |
#define Opt_secondaryScroll (1UL<<21) |
| 245 |
#define Opt_pastableTabs (1UL<<22) |
| 246 |
#define Opt_cursorUnderline (1UL<<23) |
| 247 |
#if ENABLE_FRILLS |
| 248 |
# define Opt_insecure (1UL<<24) // insecure esc sequences |
| 249 |
# define Opt_borderLess (1UL<<25) // mem borderless hints |
| 250 |
#else |
| 251 |
# define Opt_insecure 0 |
| 252 |
# define Opt_borderLess 0 |
| 253 |
#endif |
| 254 |
/* place holder used for parsing command-line options */ |
| 255 |
#define Opt_Reverse (1UL<<30) |
| 256 |
#define Opt_Boolean (1UL<<31) |
| 257 |
|
| 258 |
#define DEFAULT_OPTIONS (Opt_scrollBar | Opt_scrollTtyOutput \ |
| 259 |
| Opt_jumpScroll | Opt_secondaryScreen \ |
| 260 |
| Opt_pastableTabs) |
| 261 |
|
| 262 |
/* ------------------------------------------------------------------------- */ |
| 263 |
|
| 264 |
typedef struct { |
| 265 |
short state; |
| 266 |
Window win; |
| 267 |
struct rxvt_drawable *drawable; |
| 268 |
} menuBar_t; |
| 269 |
|
| 270 |
typedef struct { |
| 271 |
char state; /* scrollbar state */ |
| 272 |
char init; /* scrollbar has been initialised */ |
| 273 |
unsigned int beg; /* slider sub-window begin height */ |
| 274 |
unsigned int end; /* slider sub-window end height */ |
| 275 |
unsigned int top; /* slider top position */ |
| 276 |
unsigned int bot; /* slider bottom position */ |
| 277 |
unsigned int style; /* style: rxvt, xterm, next */ |
| 278 |
unsigned int width; /* scrollbar width */ |
| 279 |
Window win; |
| 280 |
int (rxvt_term::*update)(int, int, int, int); |
| 281 |
|
| 282 |
void setIdle() { state = 1 ; } |
| 283 |
void setMotion() { state = 'm'; } |
| 284 |
void setUp() { state = 'U'; } |
| 285 |
void setDn() { state = 'D'; } |
| 286 |
} scrollBar_t; |
| 287 |
|
| 288 |
struct rxvt_vars : TermWin_t { |
| 289 |
scrollBar_t scrollBar; |
| 290 |
menuBar_t menuBar; |
| 291 |
unsigned long options; |
| 292 |
XSizeHints szHint; |
| 293 |
rxvt_display *display; |
| 294 |
rxvt_color *pix_colors; |
| 295 |
rxvt_color *pix_colors_focused; |
| 296 |
#ifdef OFF_FOCUS_FADING |
| 297 |
rxvt_color *pix_colors_unfocused; |
| 298 |
#endif |
| 299 |
short numpix_colors; |
| 300 |
Cursor TermWin_cursor; /* cursor for vt window */ |
| 301 |
int sb_shadow; /* scrollbar shadow width */ |
| 302 |
rxvt_ptytty pty; |
| 303 |
int numlock_state; |
| 304 |
line_t *save; // all lines, scorllback + terminal, circular |
| 305 |
line_t *drawn; // text on screen |
| 306 |
line_t *buf; // temporary buffer |
| 307 |
line_t *swap_save; // lines for swap buffer |
| 308 |
char *tabs; /* per location: 1 == tab-stop */ |
| 309 |
screen_t screen; |
| 310 |
screen_t swap; |
| 311 |
selection_t selection; |
| 312 |
}; |
| 313 |
|
| 314 |
void rxvt_init (); |
| 315 |
|
| 316 |
#endif /* _RXVTLIB_H_ */ |
| 317 |
|
