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#ifndef _RXVTLIB_H_ /* include once only */
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#include <sys/types.h>
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/* #include <util.h> */
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#include <sys/ioctl.h>
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#include <sys/select.h>
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/* #include <sys/strredir.h> */
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// stdlib.h might provide it
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#include <X11/Xutil.h>
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#include <X11/Xresource.h>
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* If we haven't pulled in typedef's like int16_t then do them ourself
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* type of (normal and unsigned) basic sizes
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/* typedef short int16_t; */
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/* typedef unsigned short uint16_t; */
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/* typedef int int32_t; */
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/* typedef unsigned int uint32_t; */
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/* whatever normal size corresponds to a integer pointer */
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#define intp_t int64_t
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/* whatever normal size corresponds to a unsigned integer pointer */
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#define u_intp_t u_int64_t
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struct rxvt_vars; /* defined later on */
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typedef struct rxvt_term *rxvt_t;
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extern rxvt_t rxvt_current_term;
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#define SET_R(r) rxvt_current_term = const_cast<rxvt_term *>(r)
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#define GET_R rxvt_current_term
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typedef uint32_t text_t;
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typedef uint16_t text_t; // saves lots of memory
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typedef uint32_t rend_t;
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typedef int32_t tlen_t; // was int16_t, but this results in smaller code and memory use
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typedef int32_t tlen_t_; // specifically for use in the line_t structure
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* height : 1 <= height
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* ncol : 1 <= ncol <= MAX(tlen_t)
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* nrow : 1 <= nrow <= MAX(int)
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* saveLines : 0 <= saveLines <= MAX(int)
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* term_start : 0 <= term_start < saveLines
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* total_rows : nrow + saveLines
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* top_row : -saveLines <= top_row <= 0
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* view_start : top_row <= view_start <= 0
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* | most coordinates are stored relative to term_start,
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* ROW_BUF | which is the first line of the terminal screen
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* |························= row_buf[0]
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* |························= row_buf[1]
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* |························= row_buf[2] etc.
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* +------------+···········= term_start + top_row
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* | scrollback +---------+·= term_start + view_start
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* | scrollback | display |
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* | scrollback | display |
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* +------------+·display·+·= term_start
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* | terminal | display |
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* | terminal +---------+
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* +------------+···········= term_stat + nrow - 1
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* END······················= total_rows
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int width; /* window width [pixels] */
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int height; /* window height [pixels] */
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int fwidth; /* font width [pixels] */
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int fheight; /* font height [pixels] */
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int fbase; /* font ascent (baseline) [pixels] */
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int ncol; /* window columns [characters] */
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int nrow; /* window rows [characters] */
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int focus; /* window has focus */
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int mapped; /* window state mapped? */
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int int_bwidth; /* internal border width */
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int ext_bwidth; /* external border width */
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int lineSpace; /* number of extra pixels between rows */
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int saveLines; /* number of lines that fit in scrollback */
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int total_rows; /* total number of rows in this terminal */
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int term_start; /* term lines start here */
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int view_start; /* scrollback view starts here */
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int top_row; /* topmost row index of scrollback */
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Window parent[6]; /* parent identifiers - we're parent[0] */
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Window vt; /* vt100 window */
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GC gc; /* GC for drawing */
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rxvt_drawable *drawable;
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rxvt_fontset *fontset[4];
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* row: Cursor row position : 0 <= row < nrow
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* col: Cursor column position : 0 <= col < ncol
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* tscroll: Scrolling region top row inclusive : 0 <= row < nrow
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* bscroll: Scrolling region bottom row inclusive : 0 <= row < nrow
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* selection_t elements
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* clicks: 1, 2 or 3 clicks - 4 indicates a special condition of 1 where
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* nothing is selected
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* beg: row/column of beginning of selection : never past mark
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* mark: row/column of initial click : never past end
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* end: row/column of one character past end of selection
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* * Note: -nsaved <= beg.row <= mark.row <= end.row < nrow
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* * Note: col == -1 ==> we're left of screen
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row_col_t cur; /* cursor position on the screen */
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int tscroll; /* top of settable scroll region */
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int bscroll; /* bottom of settable scroll region */
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unsigned int charset; /* character set number [0..3] */
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unsigned int flags; /* see below */
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row_col_t s_cur; /* saved cursor position */
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unsigned int s_charset; /* saved character set number [0..3] */
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rend_t s_rstyle; /* saved rendition style */
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enum selection_op_t {
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SELECTION_CLEAR = 0, /* nothing selected */
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SELECTION_INIT, /* marked a point */
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SELECTION_BEGIN, /* started a selection */
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SELECTION_CONT, /* continued selection */
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SELECTION_DONE /* selection put in CUT_BUFFER0 */
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wchar_t *text; /* selected text */
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unsigned int len; /* length of selected text */
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unsigned int screen; /* screen being used */
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unsigned int clicks; /* number of clicks */
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selection_op_t op; /* current operation */
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bool rect; /* rectangluar selection? */
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row_col_t beg; /* beginning of selection <= mark */
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row_col_t mark; /* point of initial click <= end */
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row_col_t end; /* one character past end point */
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/* ------------------------------------------------------------------------- */
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#define Screen_Relative (1<<0) /* relative origin mode flag */
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#define Screen_VisibleCursor (1<<1) /* cursor visible? */
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#define Screen_Autowrap (1<<2) /* auto-wrap flag */
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#define Screen_Insert (1<<3) /* insert mode (vs. overstrike) */
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#define Screen_WrapNext (1<<4) /* need to wrap for next char? */
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#define Screen_DefaultFlags (Screen_VisibleCursor | Screen_Autowrap)
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/* rxvt_vars.options */
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# define def(name,idx) Opt_ ## name = 1UL << (idx),
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# define nodef(name) Opt_ ## name = 0,
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/* ------------------------------------------------------------------------- */
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char state; /* scrollbar state */
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char init; /* scrollbar has been initialised */
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unsigned int beg; /* slider sub-window begin height */
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unsigned int end; /* slider sub-window end height */
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unsigned int top; /* slider top position */
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unsigned int bot; /* slider bottom position */
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unsigned int style; /* style: rxvt, xterm, next */
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unsigned int width; /* scrollbar width */
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int (rxvt_term::*update)(int, int, int, int);
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void setIdle() { state = 1 ; }
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void setMotion() { state = 'm'; }
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void setUp() { state = 'U'; }
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void setDn() { state = 'D'; }
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struct rxvt_vars : TermWin_t {
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scrollBar_t scrollBar;
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rxvt_color *pix_colors;
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rxvt_color *pix_colors_focused;
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#ifdef OFF_FOCUS_FADING
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rxvt_color *pix_colors_unfocused;
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Cursor TermWin_cursor; /* cursor for vt window */
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int sb_shadow; /* scrollbar shadow width */
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line_t *row_buf; // all lines, scrollback + terminal, circular, followed by temp_buf
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line_t *drawn_buf; // text on screen
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line_t *swap_buf; // lines for swap buffer
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char *tabs; /* per location: 1 == tab-stop */
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selection_t selection;
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#endif /* _RXVTLIB_H_ */
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src/rxvtlib.h
