rxvt-unicode/src/rxvtlib.h.in

#ifndef _RXVTLIB_H_             /* include once only */
#define _RXVTLIB_H_

#include <cstdio>
#include <cctype>
#include <cerrno>
@include_stdarg_h@
@include_stdlib_h@
@include_stdint_h@
#include <sys/types.h>
@include_unistd_h@
@include_string_h@
@include_fcntl_h@
@include_util_h@
@include_assert_h@
@include_sys_ioctl_h@
@include_sys_time_h@
@include_time_h@
@include_sys_select_h@
@include_sys_strredir_h@

#include <sys/wait.h>
#include <sys/stat.h>

#include <cwchar>

extern "C" {
#include <X11/Intrinsic.h>      /* Xlib, Xutil, Xresource, Xfuncproto */
}

/*
 * If we haven't pulled in typedef's like  int16_t  then do them ourself
 * type of (normal and unsigned) basic sizes
 */
@rxvt_int16_typedef@
@rxvt_uint16_typedef@
@rxvt_int32_typedef@
@rxvt_uint32_typedef@

/* whatever normal size corresponds to a integer pointer */
@rxvt_intp_define@
/* whatever normal size corresponds to a unsigned integer pointer */
@rxvt_u_intp_define@

struct rxvt_fontset;
struct rxvt_color;
struct rxvt_vars;               /* defined later on */
struct rxvt_term;
struct rxvt_display;
struct rxvt_im;
struct rxvt_drawable;

typedef struct rxvt_term *rxvt_t;

extern rxvt_t rxvt_current_term;

# define SET_R(r) rxvt_current_term = (r)
# define GET_R rxvt_current_term

#define scrollbar_visible()    scrollBar.state
#define menubar_visible()      menuBar.state

typedef struct {
  int32_t         row;
  int32_t         col;
} row_col_t;

#if UNICODE_3
typedef uint32_t text_t;
#else
typedef uint16_t text_t; // saves lots of memory
#endif
typedef uint32_t rend_t;

/*
 * TermWin elements limits
 *  width     : 1 <= width
 *  height    : 1 <= height
 *  ncol      : 1 <= ncol       <= MAX(int16_t)
 *  nrow      : 1 <= nrow       <= MAX(int16_t)
 *  saveLines : 0 <= saveLines  <= MAX(int16_t)
 *  nscrolled : 0 <= nscrolled  <= saveLines
 *  view_start: 0 <= view_start <= nscrolled
 */

typedef struct {
  uint16_t       width;         /* window width                    [pixels] */
  uint16_t       height;        /* window height                   [pixels] */
  uint16_t       fwidth;        /* font width                      [pixels] */
  uint16_t       fheight;       /* font height                     [pixels] */
  uint16_t       fbase;         /* font ascent (baseline)          [pixels] */
  uint16_t       propfont;      /* font proportional flags                  */
  uint16_t       ncol;          /* window columns              [characters] */
  uint16_t       nrow;          /* window rows                 [characters] */
  uint16_t       focus;         /* window has focus                         */
  uint16_t       mapped;        /* window state mapped?                     */
  uint16_t       int_bwidth;    /* internal border width                    */
  uint16_t       ext_bwidth;    /* external border width                    */
  uint16_t       lineSpace;     /* number of extra pixels between rows      */
  uint16_t       saveLines;     /* number of lines that fit in scrollback   */
  uint16_t       nscrolled;     /* number of line actually scrolled         */
  uint16_t       view_start;    /* scrollback view starts here              */
  Window         parent[6];     /* parent identifiers - we're parent[0]     */
  Window         vt;            /* vt100 window                             */
  GC             gc;            /* GC for drawing                           */
  Pixmap         pixmap;
  rxvt_fontset  *fontset;
  rxvt_drawable *drawable;
  uint16_t       ascii_map[0x7f - 0x20]; // map ascii chars to fonts for speed
} TermWin_t;

/*
 * screen accounting:
 * screen_t elements
 *   text:      Contains all text information including the scrollback buffer.
 *              Each line is length TermWin.ncol
 *   tlen:      The length of the line or -1 for wrapped lines.
 *   rend:      Contains rendition information: font, bold, colour, etc.
 * * Note: Each line for both text and rend are only allocated on demand, and
 *         text[x] is allocated <=> rend[x] is allocated  for all x.
 *   row:       Cursor row position                   : 0 <= row < TermWin.nrow
 *   col:       Cursor column position                : 0 <= col < TermWin.ncol
 *   tscroll:   Scrolling region top row inclusive    : 0 <= row < TermWin.nrow
 *   bscroll:   Scrolling region bottom row inclusive : 0 <= row < TermWin.nrow
 *
 * selection_t elements
 *   clicks:    1, 2 or 3 clicks - 4 indicates a special condition of 1 where
 *              nothing is selected
 *   beg:       row/column of beginning of selection  : never past mark
 *   mark:      row/column of initial click           : never past end
 *   end:       row/column of one character past end of selection
 * * Note: -TermWin.nscrolled <= beg.row <= mark.row <= end.row < TermWin.nrow
 * * Note: col == -1 ==> we're left of screen
 *
 * Layout of text/rend information in the screen_t text/rend structures:
 *   Rows [0] ... [TermWin.saveLines - 1]
 *     scrollback region : we're only here if TermWin.view_start != 0
 *   Rows [TermWin.saveLines] ... [TermWin.saveLines + TermWin.nrow - 1]
 *     normal `unscrolled' screen region
 */
typedef struct {
  int16_t        *tlen; /* length of each text line                  */
  text_t        **text; /* _all_ the text                            */
  rend_t        **rend; /* rendition, uses RS_ flags                 */
  row_col_t       cur;  /* cursor position on the screen             */
  uint16_t        tscroll;      /* top of settable scroll region             */
  uint16_t        bscroll;      /* bottom of settable scroll region          */
  uint16_t        charset;      /* character set number [0..3]               */
  unsigned int    flags;        /* see below                                 */
  row_col_t       s_cur;        /* saved cursor position                     */
  uint16_t        s_charset;    /* saved character set number [0..3]         */
  char            s_charset_char;
  rend_t          s_rstyle;     /* saved rendition style                     */
} screen_t;

enum selection_op_t {
  SELECTION_CLEAR = 0,  /* nothing selected                          */
  SELECTION_INIT,       /* marked a point                            */
  SELECTION_BEGIN,      /* started a selection                       */
  SELECTION_CONT,       /* continued selection                       */
  SELECTION_DONE        /* selection put in CUT_BUFFER0              */
};

typedef struct {
  wchar_t        *text;       /* selected text                             */
  uint32_t        len;        /* length of selected text                   */
  short           screen;     /* screen being used                         */
  short           clicks;     /* number of clicks                          */
  selection_op_t  op;         /* current operation                         */
  row_col_t       beg;        /* beginning of selection   <= mark          */
  row_col_t       mark;       /* point of initial click   <= end           */
  row_col_t       end;        /* one character past end point              */
} selection_t;

/* ------------------------------------------------------------------------- */

/* screen_t flags */
#define Screen_Relative         (1<<0)  /* relative origin mode flag         */
#define Screen_VisibleCursor    (1<<1)  /* cursor visible?                   */
#define Screen_Autowrap         (1<<2)  /* auto-wrap flag                    */
#define Screen_Insert           (1<<3)  /* insert mode (vs. overstrike)      */
#define Screen_WrapNext         (1<<4)  /* need to wrap for next char?       */
#define Screen_DefaultFlags     (Screen_VisibleCursor|Screen_Autowrap)

/* rxvt_vars.Options */
#define Opt_console             (1UL<<0)
#define Opt_loginShell          (1UL<<1)
#define Opt_iconic              (1UL<<2)
#define Opt_visualBell          (1UL<<3)
#define Opt_mapAlert            (1UL<<4)
#define Opt_reverseVideo        (1UL<<5)
#define Opt_utmpInhibit         (1UL<<6)
#define Opt_scrollBar           (1UL<<7)
#define Opt_scrollBar_right     (1UL<<8)
#define Opt_scrollBar_floating  (1UL<<9)
#define Opt_meta8               (1UL<<10)
#define Opt_scrollTtyOutput     (1UL<<11)
#define Opt_scrollTtyKeypress   (1UL<<12)
#define Opt_transparent         (1UL<<13)
#define Opt_transparent_all     (1UL<<14)
#define Opt_realBold            (1UL<<15)
#define Opt_tripleclickwords    (1UL<<16)
#define Opt_scrollWithBuffer    (1UL<<17)
#define Opt_jumpScroll          (1UL<<18)
#define Opt_mouseWheelScrollPage (1UL<<19)
#define Opt_pointerBlank        (1UL<<20)
#define Opt_cursorBlink         (1UL<<21)
#define Opt_secondaryScreen     (1UL<<22)
#define Opt_secondaryScroll     (1UL<<23)
#ifdef NO_FRILLS
# define Opt_insecure           0
# define Opt_borderLess         0
#else
# define Opt_insecure           (1UL<<24) // insecure esc sequences
# define Opt_borderLess         (1UL<<25) // mem borderless hints
#endif
/* place holder used for parsing command-line options */
#define Opt_Reverse             (1UL<<30)
#define Opt_Boolean             (1UL<<31)

#define DEFAULT_OPTIONS         (Opt_scrollBar | Opt_scrollTtyOutput | \
                                 Opt_jumpScroll | Opt_secondaryScreen)

/* ------------------------------------------------------------------------- */

typedef struct {
  short           state;
  Window          win;
  struct rxvt_drawable *drawable;
} menuBar_t;

typedef struct {
  char            state;        /* scrollbar state                          */
  char            init;         /* scrollbar has been initialised           */
  short           beg;          /* slider sub-window begin height           */
  short           end;          /* slider sub-window end height             */
  short           top;          /* slider top position                      */
  short           bot;          /* slider bottom position                   */
  short           style;        /* style: rxvt, xterm, next                 */
  short           width;        /* scrollbar width                          */
  Window          win;
  int             (rxvt_term::*update)(int, int, int, int);

  void setIdle()   { state =  1 ; }
  void setMotion() { state = 'm'; }
  void setUp()     { state = 'U'; }
  void setDn()     { state = 'D'; }
} scrollBar_t;

struct rxvt_vars {
  TermWin_t       TermWin;
  scrollBar_t     scrollBar;
  menuBar_t       menuBar;
  unsigned long   Options;
  XSizeHints      szHint;
  rxvt_display   *display;
  rxvt_color     *PixColors;
  rxvt_color     *PixColorsFocused;
#ifdef OFF_FOCUS_FADING
  rxvt_color     *PixColorsUnFocused;
#endif
  short           numPixColors;
  Cursor          TermWin_cursor;       /* cursor for vt window */
  int             sb_shadow;    /* scrollbar shadow width                    */
  int             cmd_fd;       /* pty file descriptor; connected to command */
  int             tty_fd;       /* tty file descriptor; connected to child   */
  int             numlock_state;
  text_t        **drawn_text;   /* text drawn on screen (characters)         */
  rend_t        **drawn_rend;   /* text drawn on screen (rendition)          */
  text_t        **buf_text;
  rend_t        **buf_rend;
  char           *tabs;         /* per location: 1 == tab-stop               */
  screen_t        screen;
  screen_t        swap;
  selection_t     selection;
};

void rxvt_init_signals ();
rxvt_t rxvt_init (int argc, const char *const *argv);

#endif                          /* _RXVTLIB_H_ */

Revision:	1.26
Committed:	Wed Aug 4 03:29:28 2004 UTC (19 years, 10 months ago) by root
Branch:	MAIN
CVS Tags:	rel-3_5, rel-3_4, rel-3_6
Changes since 1.24:	+7 -4 lines
Log Message:	* empty log message *
#	User	Rev	Content
1	pcg	1.3	#ifndef _RXVTLIB_H_ /* include once only */
2	pcg	1.1	#define _RXVTLIB_H_
3
4	pcg	1.16	#include <cstdio>
5			#include <cctype>
6			#include <cerrno>
7	pcg	1.1	@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	pcg	1.16	#include <cwchar>
26
27	pcg	1.1	extern "C" {
28	pcg	1.3	#include <X11/Intrinsic.h> /* Xlib, Xutil, Xresource, Xfuncproto */
29	pcg	1.1	}
30
31			/*
32			* If we haven't pulled in typedef's like int16_t then do them ourself
33			* type of (normal and unsigned) basic sizes
34			*/
35			@rxvt_int16_typedef@
36			@rxvt_uint16_typedef@
37			@rxvt_int32_typedef@
38			@rxvt_uint32_typedef@
39
40			/* whatever normal size corresponds to a integer pointer */
41			@rxvt_intp_define@
42			/* whatever normal size corresponds to a unsigned integer pointer */
43			@rxvt_u_intp_define@
44
45			struct rxvt_fontset;
46			struct rxvt_color;
47	pcg	1.3	struct rxvt_vars; /* defined later on */
48			struct rxvt_term;
49	pcg	1.11	struct rxvt_display;
50			struct rxvt_im;
51	pcg	1.12	struct rxvt_drawable;
52	pcg	1.1
53	pcg	1.3	typedef struct rxvt_term *rxvt_t;
54
55			extern rxvt_t rxvt_current_term;
56
57	pcg	1.1	# define SET_R(r) rxvt_current_term = (r)
58			# define GET_R rxvt_current_term
59
60	pcg	1.9	#define scrollbar_visible() scrollBar.state
61			#define menubar_visible() menuBar.state
62	pcg	1.1
63			typedef struct {
64	pcg	1.3	int32_t row;
65			int32_t col;
66	pcg	1.1	} row_col_t;
67
68	pcg	1.16	#if UNICODE_3
69	pcg	1.1	typedef uint32_t text_t;
70			#else
71			typedef uint16_t text_t; // saves lots of memory
72			#endif
73			typedef uint32_t rend_t;
74
75			/*
76			* TermWin elements limits
77			* width : 1 <= width
78			* height : 1 <= height
79			* ncol : 1 <= ncol <= MAX(int16_t)
80			* nrow : 1 <= nrow <= MAX(int16_t)
81			* saveLines : 0 <= saveLines <= MAX(int16_t)
82			* nscrolled : 0 <= nscrolled <= saveLines
83			* view_start: 0 <= view_start <= nscrolled
84			*/
85
86			typedef struct {
87	pcg	1.20	uint16_t width; /* window width [pixels] */
88	pcg	1.3	uint16_t height; /* window height [pixels] */
89			uint16_t fwidth; /* font width [pixels] */
90			uint16_t fheight; /* font height [pixels] */
91	pcg	1.20	uint16_t fbase; /* font ascent (baseline) [pixels] */
92	pcg	1.3	uint16_t propfont; /* font proportional flags */
93	pcg	1.20	uint16_t ncol; /* window columns [characters] */
94			uint16_t nrow; /* window rows [characters] */
95			uint16_t focus; /* window has focus */
96	pcg	1.3	uint16_t mapped; /* window state mapped? */
97	pcg	1.20	uint16_t int_bwidth; /* internal border width */
98			uint16_t ext_bwidth; /* external border width */
99	pcg	1.3	uint16_t lineSpace; /* number of extra pixels between rows */
100			uint16_t saveLines; /* number of lines that fit in scrollback */
101			uint16_t nscrolled; /* number of line actually scrolled */
102			uint16_t view_start; /* scrollback view starts here */
103			Window parent[6]; /* parent identifiers - we're parent[0] */
104			Window vt; /* vt100 window */
105			GC gc; /* GC for drawing */
106			Pixmap pixmap;
107			rxvt_fontset *fontset;
108	pcg	1.12	rxvt_drawable *drawable;
109	root	1.26	uint16_t ascii_map[0x7f - 0x20]; // map ascii chars to fonts for speed
110	pcg	1.1	} TermWin_t;
111
112			/*
113			* screen accounting:
114			* screen_t elements
115			* text: Contains all text information including the scrollback buffer.
116			* Each line is length TermWin.ncol
117			* tlen: The length of the line or -1 for wrapped lines.
118			* rend: Contains rendition information: font, bold, colour, etc.
119			* * Note: Each line for both text and rend are only allocated on demand, and
120			* text[x] is allocated <=> rend[x] is allocated for all x.
121			* row: Cursor row position : 0 <= row < TermWin.nrow
122			* col: Cursor column position : 0 <= col < TermWin.ncol
123			* tscroll: Scrolling region top row inclusive : 0 <= row < TermWin.nrow
124			* bscroll: Scrolling region bottom row inclusive : 0 <= row < TermWin.nrow
125			*
126			* selection_t elements
127			* clicks: 1, 2 or 3 clicks - 4 indicates a special condition of 1 where
128			* nothing is selected
129			* beg: row/column of beginning of selection : never past mark
130			* mark: row/column of initial click : never past end
131			* end: row/column of one character past end of selection
132			* * Note: -TermWin.nscrolled <= beg.row <= mark.row <= end.row < TermWin.nrow
133			* * Note: col == -1 ==> we're left of screen
134			*
135			* Layout of text/rend information in the screen_t text/rend structures:
136			* Rows [0] ... [TermWin.saveLines - 1]
137			* scrollback region : we're only here if TermWin.view_start != 0
138			* Rows [TermWin.saveLines] ... [TermWin.saveLines + TermWin.nrow - 1]
139			* normal `unscrolled' screen region
140			*/
141			typedef struct {
142	pcg	1.6	int16_t tlen; / length of each text line */
143	pcg	1.3	text_t *text; / _all_ the text */
144			rend_t *rend; / rendition, uses RS_ flags */
145			row_col_t cur; /* cursor position on the screen */
146			uint16_t tscroll; /* top of settable scroll region */
147			uint16_t bscroll; /* bottom of settable scroll region */
148			uint16_t charset; /* character set number [0..3] */
149			unsigned int flags; /* see below */
150			row_col_t s_cur; /* saved cursor position */
151			uint16_t s_charset; /* saved character set number [0..3] */
152			char s_charset_char;
153			rend_t s_rstyle; /* saved rendition style */
154	pcg	1.1	} screen_t;
155
156			enum selection_op_t {
157	pcg	1.3	SELECTION_CLEAR = 0, /* nothing selected */
158			SELECTION_INIT, /* marked a point */
159			SELECTION_BEGIN, /* started a selection */
160			SELECTION_CONT, /* continued selection */
161			SELECTION_DONE /* selection put in CUT_BUFFER0 */
162	pcg	1.1	};
163
164			typedef struct {
165	pcg	1.16	wchar_t text; / selected text */
166	pcg	1.3	uint32_t len; /* length of selected text */
167			short screen; /* screen being used */
168			short clicks; /* number of clicks */
169			selection_op_t op; /* current operation */
170			row_col_t beg; /* beginning of selection <= mark */
171			row_col_t mark; /* point of initial click <= end */
172			row_col_t end; /* one character past end point */
173	pcg	1.1	} selection_t;
174
175			/* ------------------------------------------------------------------------- */
176
177			/* screen_t flags */
178	pcg	1.3	#define Screen_Relative (1<<0) /* relative origin mode flag */
179			#define Screen_VisibleCursor (1<<1) /* cursor visible? */
180			#define Screen_Autowrap (1<<2) /* auto-wrap flag */
181			#define Screen_Insert (1<<3) /* insert mode (vs. overstrike) */
182			#define Screen_WrapNext (1<<4) /* need to wrap for next char? */
183			#define Screen_DefaultFlags (Screen_VisibleCursor\|Screen_Autowrap)
184	pcg	1.1
185			/* rxvt_vars.Options */
186	pcg	1.20	#define Opt_console (1UL<<0)
187			#define Opt_loginShell (1UL<<1)
188			#define Opt_iconic (1UL<<2)
189			#define Opt_visualBell (1UL<<3)
190			#define Opt_mapAlert (1UL<<4)
191			#define Opt_reverseVideo (1UL<<5)
192			#define Opt_utmpInhibit (1UL<<6)
193			#define Opt_scrollBar (1UL<<7)
194			#define Opt_scrollBar_right (1UL<<8)
195			#define Opt_scrollBar_floating (1UL<<9)
196			#define Opt_meta8 (1UL<<10)
197			#define Opt_scrollTtyOutput (1UL<<11)
198			#define Opt_scrollTtyKeypress (1UL<<12)
199			#define Opt_transparent (1UL<<13)
200			#define Opt_transparent_all (1UL<<14)
201	root	1.21	#define Opt_realBold (1UL<<15)
202	pcg	1.20	#define Opt_tripleclickwords (1UL<<16)
203			#define Opt_scrollWithBuffer (1UL<<17)
204			#define Opt_jumpScroll (1UL<<18)
205			#define Opt_mouseWheelScrollPage (1UL<<19)
206			#define Opt_pointerBlank (1UL<<20)
207			#define Opt_cursorBlink (1UL<<21)
208	root	1.26	#define Opt_secondaryScreen (1UL<<22)
209			#define Opt_secondaryScroll (1UL<<23)
210	pcg	1.20	#ifdef NO_FRILLS
211	root	1.26	# define Opt_insecure 0
212			# define Opt_borderLess 0
213	pcg	1.20	#else
214	root	1.26	# define Opt_insecure (1UL<<24) // insecure esc sequences
215			# define Opt_borderLess (1UL<<25) // mem borderless hints
216	pcg	1.20	#endif
217	pcg	1.1	/* place holder used for parsing command-line options */
218	pcg	1.20	#define Opt_Reverse (1UL<<30)
219			#define Opt_Boolean (1UL<<31)
220	pcg	1.1
221	pcg	1.20	#define DEFAULT_OPTIONS (Opt_scrollBar \| Opt_scrollTtyOutput \| \
222			Opt_jumpScroll \| Opt_secondaryScreen)
223	pcg	1.1
224			/* ------------------------------------------------------------------------- */
225
226			typedef struct {
227	pcg	1.3	short state;
228			Window win;
229	pcg	1.13	struct rxvt_drawable *drawable;
230	pcg	1.1	} menuBar_t;
231
232			typedef struct {
233	pcg	1.3	char state; /* scrollbar state */
234			char init; /* scrollbar has been initialised */
235			short beg; /* slider sub-window begin height */
236			short end; /* slider sub-window end height */
237			short top; /* slider top position */
238			short bot; /* slider bottom position */
239			short style; /* style: rxvt, xterm, next */
240			short width; /* scrollbar width */
241			Window win;
242	pcg	1.10	int (rxvt_term::*update)(int, int, int, int);
243	pcg	1.7
244			void setIdle() { state = 1 ; }
245			void setMotion() { state = 'm'; }
246			void setUp() { state = 'U'; }
247			void setDn() { state = 'D'; }
248	pcg	1.1	} scrollBar_t;
249
250	pcg	1.3	struct rxvt_vars {
251			TermWin_t TermWin;
252			scrollBar_t scrollBar;
253			menuBar_t menuBar;
254			unsigned long Options;
255			XSizeHints szHint;
256	pcg	1.11	rxvt_display *display;
257	pcg	1.3	rxvt_color *PixColors;
258	root	1.24	rxvt_color *PixColorsFocused;
259			#ifdef OFF_FOCUS_FADING
260			rxvt_color *PixColorsUnFocused;
261			#endif
262	pcg	1.3	short numPixColors;
263			Cursor TermWin_cursor; /* cursor for vt window */
264			int sb_shadow; /* scrollbar shadow width */
265			int cmd_fd; /* pty file descriptor; connected to command */
266			int tty_fd; /* tty file descriptor; connected to child */
267			int numlock_state;
268			text_t *drawn_text; / text drawn on screen (characters) */
269			rend_t *drawn_rend; / text drawn on screen (rendition) */
270			text_t **buf_text;
271			rend_t **buf_rend;
272			char tabs; / per location: 1 == tab-stop */
273			screen_t screen;
274			screen_t swap;
275			selection_t selection;
276			};
277	pcg	1.1
278	pcg	1.4	void rxvt_init_signals ();
279	pcg	1.3	rxvt_t rxvt_init (int argc, const char const argv);
280	pcg	1.1
281	pcg	1.3	#endif /* _RXVTLIB_H_ */
282	pcg	1.1