rxvt-unicode/src/rxvt.h

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

#include "rxvtlib.h"

#include "feature.h"

#if defined (ISO_14755) || defined (ENABLE_PERL)
# define ENABLE_OVERLAY 1
#endif

#if ENABLE_PERL
# define ENABLE_FRILLS    1
# define ENABLE_COMBINING 1
#endif

#if ENABLE_FRILLS
# define ENABLE_XEMBED        1
# define ENABLE_EWMH          1
# define ENABLE_XIM_ONTHESPOT 1
# define CURSOR_BLINK         1
# define OPTION_HC            1
#else
# define ENABLE_MINIMAL 1
#endif

#include <limits.h>

#include <X11/cursorfont.h>
#include <X11/keysym.h>
#include <X11/keysymdef.h>
#include <X11/Xatom.h>
#if ENABLE_FRILLS
# include <X11/Xmd.h>
#endif

#include "encoding.h"
#include "rxvtutil.h"
#include "rxvtfont.h"
#include "rxvttoolkit.h"
#include "ev_cpp.h"
#include "salloc.h"
#include "libptytty.h"

#include "rxvtperl.h"

// try to avoid some macros to decrease code size, on some systems
#if ENABLE_MINIMAL
# define strcmp(a,b)   (strcmp)(a,b)
# define strlen(a)     (strlen)(a)
# define strcpy(a,b)   (strcpy)(a,b)
# define memset(a,c,l) (memset)(a,c,l)
# define memcpy(a,b,l) (memcpy)(a,b,l)
#endif

/*
 *****************************************************************************
 * SYSTEM HACKS
 *****************************************************************************
 */
/* Consistent defines - please report on the necessity
 * @ Unixware: defines (__svr4__)
 */
#if defined (SVR4) && !defined (__svr4__)
# define __svr4__ 1
#endif
#if defined (sun) && !defined (__sun__)
# define __sun__ 1
#endif

#ifndef HAVE_XPOINTER
typedef char *XPointer;
#endif

#include <termios.h>
typedef struct termios ttymode_t;

#include "background.h"

#ifndef STDIN_FILENO
# define STDIN_FILENO   0
# define STDOUT_FILENO  1
# define STDERR_FILENO  2
#endif

/****************************************************************************/

// exception thrown on fatal (per-instance) errors
class rxvt_failure_exception { };

// exception thrown when the command parser runs out of input data
class out_of_input { };

/*
 *****************************************************************************
 * PROTOTYPES
 *****************************************************************************
 */
// main.C
void           * rxvt_malloc                      (size_t size);
void           * rxvt_calloc                      (size_t number, size_t size);
void           * rxvt_realloc                     (void *ptr, size_t size);

// misc.C
char *           rxvt_wcstombs                    (const wchar_t *str, int len = -1);
wchar_t *        rxvt_mbstowcs                    (const char *str, int len = -1);
char *           rxvt_wcstoutf8                   (const wchar_t *str, int len = -1);
wchar_t *        rxvt_utf8towcs                   (const char *str, int len = -1);

char *           rxvt_basename                    (const char *str) NOTHROW;
void             rxvt_vlog                        (const char *fmt, va_list arg_ptr) NOTHROW;
void             rxvt_log                         (const char *fmt,...) NOTHROW;
void             rxvt_warn                        (const char *fmt,...) NOTHROW;
void             rxvt_fatal                       (const char *fmt, ...) THROW ((class rxvt_failure_exception)) NORETURN;
void             rxvt_exit_failure                () THROW ((class rxvt_failure_exception)) NORETURN;

char           * rxvt_strtrim                     (char *str) NOTHROW;
char          ** rxvt_splitcommastring            (const char *cs) NOTHROW;
void             rxvt_freecommastring             (char **cs) NOTHROW;

/////////////////////////////////////////////////////////////////////////////

// temporarily replace the process environment
extern char **environ;
extern char **rxvt_environ; // the original environ pointer

static inline void set_environ (stringvec *envv)
{
#if ENABLE_PERL
  assert (envv);
#else
  if (envv)
#endif
    environ = (char **)envv->begin ();
}

static inline void set_environ (char **envv)
{
#if ENABLE_PERL
  assert (envv);
#else
  if (envv)
#endif
    environ = envv;
}

/*
 *****************************************************************************
 * STRUCTURES AND TYPEDEFS
 *****************************************************************************
 */
struct grwin_t;

/* If we're using either the rxvt scrollbar, keep the
 * scrollColor resource.
 */
#if defined(RXVT_SCROLLBAR) || defined(NEXT_SCROLLBAR) || defined(PLAIN_SCROLLBAR)
# define KEEP_SCROLLCOLOR 1
#else
# undef KEEP_SCROLLCOLOR
#endif

/*
 * the 'essential' information for reporting Mouse Events
 * pared down from XButtonEvent
 */
struct mouse_event {
  int clicks;
  Time time;             /* milliseconds */
  unsigned int state;    /* key or button mask */
  unsigned int button;   /* detail */
};

#if ENABLE_FRILLS
typedef struct _mwmhints {
  CARD32 flags;
  CARD32 functions;
  CARD32 decorations;
  INT32  input_mode;
  CARD32 status;
} MWMHints;
#endif

#if ENABLE_XEMBED
// XEMBED messages
# define XEMBED_EMBEDDED_NOTIFY          0
# define XEMBED_WINDOW_ACTIVATE          1
# define XEMBED_WINDOW_DEACTIVATE        2
# define XEMBED_REQUEST_FOCUS            3
# define XEMBED_FOCUS_IN                 4
# define XEMBED_FOCUS_OUT                5
# define XEMBED_FOCUS_NEXT               6
# define XEMBED_FOCUS_PREV               7

# define XEMBED_MODALITY_ON              10
# define XEMBED_MODALITY_OFF             11
# define XEMBED_REGISTER_ACCELERATOR     12
# define XEMBED_UNREGISTER_ACCELERATOR   13
# define XEMBED_ACTIVATE_ACCELERATOR     14

// XEMBED detail code
# define XEMBED_FOCUS_CURRENT            0
# define XEMBED_FOCUS_FIRST              1
# define XEMBED_FOCUS_LAST               2

# define XEMBED_MAPPED                  (1 << 0)
#endif

/*
 *****************************************************************************
 * NORMAL DEFINES
 *****************************************************************************
 */

/* COLORTERM, TERM environment variables */
#define COLORTERMENV    "rxvt"
#ifdef BG_IMAGE_FROM_FILE
# define COLORTERMENVFULL COLORTERMENV "-xpm"
#else
# define COLORTERMENVFULL COLORTERMENV
#endif
#ifndef TERMENV
# define TERMENV        "rxvt-unicode"
#endif

#if defined (NO_MOUSE_REPORT) && !defined (NO_MOUSE_REPORT_SCROLLBAR)
# define NO_MOUSE_REPORT_SCROLLBAR 1
#endif

/* now look for other badly set stuff */

#if !defined (EACCESS) && defined(EAGAIN)
# define EACCESS EAGAIN
#endif

#ifndef EXIT_SUCCESS            /* missing from <stdlib.h> */
# define EXIT_SUCCESS           0       /* exit function success */
# define EXIT_FAILURE           1       /* exit function failure */
#endif

#define scrollBar_esc           30

#if defined(RXVT_SCROLLBAR) || defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR) || defined(PLAIN_SCROLLBAR)
# define HAVE_SCROLLBARS 1
#endif

#define R_SB_ALIGN_CENTRE       0
#define R_SB_ALIGN_TOP          1
#define R_SB_ALIGN_BOTTOM       2

#define R_SB_NEXT               1
#define R_SB_XTERM              2
#define R_SB_PLAIN              4
#define R_SB_RXVT               8

#define SB_WIDTH_NEXT           19
#define SB_WIDTH_XTERM          15
#define SB_WIDTH_PLAIN          7
#ifndef SB_WIDTH_RXVT
# define SB_WIDTH_RXVT          10
#endif

/*
 * NeXT scrollbar defines
 */
#define SB_PADDING              1
#define SB_BORDER_WIDTH         1
#define SB_BEVEL_WIDTH_UPPER_LEFT       1
#define SB_BEVEL_WIDTH_LOWER_RIGHT      2
#define SB_LEFT_PADDING         (SB_PADDING + SB_BORDER_WIDTH)
#define SB_MARGIN_SPACE         (SB_PADDING * 2)
#define SB_BUTTON_WIDTH         (SB_WIDTH_NEXT - SB_MARGIN_SPACE - SB_BORDER_WIDTH)
#define SB_BUTTON_HEIGHT        (SB_BUTTON_WIDTH)
#define SB_BUTTON_SINGLE_HEIGHT (SB_BUTTON_HEIGHT + SB_PADDING)
#define SB_BUTTON_BOTH_HEIGHT   (SB_BUTTON_SINGLE_HEIGHT * 2)
#define SB_BUTTON_TOTAL_HEIGHT  (SB_BUTTON_BOTH_HEIGHT + SB_PADDING)
#define SB_BUTTON_BEVEL_X       (SB_LEFT_PADDING)
#define SB_BUTTON_FACE_X        (SB_BUTTON_BEVEL_X + SB_BEVEL_WIDTH_UPPER_LEFT)
#define SB_THUMB_MIN_HEIGHT     (SB_BUTTON_WIDTH - (SB_PADDING * 2))
 /*
  *    +-------------+
  *    |             | <---< SB_PADDING
  *    | ::::::::::: |
  *    | ::::::::::: |
  *   '''''''''''''''''
  *   ,,,,,,,,,,,,,,,,,
  *    | ::::::::::: |
  *    | ::::::::::: |
  *    |  +---------------< SB_BEVEL_WIDTH_UPPER_LEFT
  *    |  | :::::::: |
  *    |  V :::: vv-------< SB_BEVEL_WIDTH_LOWER_RIGHT
  *    | +---------+ |
  *    | | ......%%| |
  *    | | ......%%| |
  *    | | .. ()..%%| |
  *    | | ......%%| |
  *    | | %%%%%%%%| |
  *    | +---------+ | <.........................
  *    |             | <---< SB_PADDING         :
  *    | +---------+ | <-+..........            :---< SB_BUTTON_TOTAL_HEIGHT
  *    | | ......%%| |   |         :            :
  *    | | ../\..%%| |   |---< SB_BUTTON_HEIGHT :
  *    | | %%%%%%%%| |   |         :            :
  *    | +---------+ | <-+         :            :
  *    |             |             :            :
  *    | +---------+ | <-+         :---< SB_BUTTON_BOTH_HEIGHT
  *    | | ......%%| |   |         :            :
  *    | | ..\/..%%| |   |         :            :
  *    | | %%%%%%%%| |   |---< SB_BUTTON_SINGLE_HEIGHT
  *    | +---------+ |   |         :            :
  *    |             |   |         :            :
  *    +-------------+ <-+.........:............:
  *    ^^|_________| :
  *    ||     |      :
  *    ||     +---< SB_BUTTON_WIDTH
  *    ||            :
  *    |+------< SB_PADDING
  *    |:            :
  *    +----< SB_BORDER_WIDTH
  *     :            :
  *     :............:
  *           |
  *           +---< SB_WIDTH_NEXT
  */

enum {
  NO_REFRESH       = 0,  /* Window not visible at all!        */
  FAST_REFRESH     = 1,  /* Fully exposed window              */
  SLOW_REFRESH     = 2,  /* Partially exposed window          */
};

#ifdef NO_SECONDARY_SCREEN
# define NSCREENS               0
#else
# define NSCREENS               1
#endif

/* special (internal) prefix for font commands */
#define FONT_CMD                '#'
#define FONT_DN                 "#-"
#define FONT_UP                 "#+"

/* flags for rxvt_scr_gotorc () */
enum {
  C_RELATIVE = 1,       /* col movement is relative */
  R_RELATIVE = 2,       /* row movement is relative */
  RELATIVE   = C_RELATIVE | R_RELATIVE,
};

/* modes for rxvt_scr_insdel_chars (), rxvt_scr_insdel_lines () */
enum {
  INSERT = -1,                          /* don't change these values */
  DELETE = +1,
  ERASE  = +2,
};

/* modes for rxvt_scr_page () - scroll page. used by scrollbar window */
enum page_dirn {
  UP,
  DN,
  NO_DIR,
};

/* arguments for rxvt_scr_change_screen () */
enum {
  PRIMARY = 0,
  SECONDARY,
};

#define RS_None                 0

#define RS_fgMask               0x0000007fUL    // 128 colors
#define RS_bgMask               0x00003f80UL    // 128 colors

// font styles
#define RS_Bold                 0x00004000UL    // value 1
#define RS_Italic               0x00008000UL    // value 2

// fake styles
#define RS_Blink                0x00010000UL    // blink
#define RS_RVid                 0x00020000UL    // reverse video
#define RS_Uline                0x00040000UL    // underline

// toggle this to force redraw, must be != RS_Careful
#define RS_redraw               0x01000000UL

// 5 custom bits for extensions
#define RS_customCount          32
#define RS_customMask           0x00f80000UL
#define RS_customShift          19

// other flags
#define RS_Careful              0x80000000UL    /* be careful when drawing these */

#define RS_styleCount           4
#define RS_styleMask            (RS_Bold | RS_Italic)
#define RS_styleShift           14

#define RS_baseattrMask         (RS_Italic | RS_Bold | RS_Blink | RS_RVid | RS_Uline)
#define RS_attrMask             (RS_baseattrMask | RS_fontMask)

#define RS_fontCount            127             // not 127 or 256, see rxvtfont.h
#define RS_fontMask             0xff000000UL    // plenty(?) of fonts, includes RS_Careful
#define RS_fontShift            24

#define DEFAULT_RSTYLE  (RS_None | Color_fg | (Color_bg << Color_Bits))
#define OVERLAY_RSTYLE  (RS_None | Color_Black | (Color_Yellow << Color_Bits))

#define Sel_none                0       /* Not waiting */
#define Sel_normal              0x01    /* normal selection */
#define Sel_incr                0x02    /* incremental selection */
#define Sel_direct              0x00
#define Sel_Primary             0x01
#define Sel_Secondary           0x02
#define Sel_Clipboard           0x03
#define Sel_whereMask           0x0f
#define Sel_CompoundText        0x10    /* last request was COMPOUND_TEXT */
#define Sel_UTF8String          0x20    /* last request was UTF8_STRING */

enum {
  C0_NUL = 0x00,
          C0_SOH, C0_STX, C0_ETX, C0_EOT, C0_ENQ, C0_ACK, C0_BEL,
  C0_BS , C0_HT , C0_LF , C0_VT , C0_FF , C0_CR , C0_SO , C0_SI ,
  C0_DLE, C0_DC1, C0_DC2, D0_DC3, C0_DC4, C0_NAK, C0_SYN, C0_ETB,
  C0_CAN, C0_EM , C0_SUB, C0_ESC, C0_IS4, C0_IS3, C0_IS2, C0_IS1,
};
#define CHAR_ST                 0x9c    /* 0234 */

/*
 * XTerm Operating System Commands: ESC ] Ps;Pt (ST|BEL)
 * colour extensions by Christian W. Zuckschwerdt <zany@triq.net>
 */
enum {
  XTerm_name             =  0,
  XTerm_iconName         =  1,
  XTerm_title            =  2,
  XTerm_property         =  3,      // change X property
  XTerm_Color            =  4,      // change colors
  XTerm_Color00          = 10,      // not implemented, CLASH!
  XTerm_Color01          = 11,      // not implemented
  XTerm_Color_cursor     = 12,      // change actual 'Cursor' color
  XTerm_Color_pointer_fg = 13,      // change actual 'Pointer' fg color
  XTerm_Color_pointer_bg = 14,      // change actual 'Pointer' bg color
  XTerm_Color05          = 15,      // not implemented (tektronix fg)
  XTerm_Color06          = 16,      // not implemented (tektronix bg)
  XTerm_Color_RV         = 17,      // change actual 'Highlight' color
  XTerm_logfile          = 46,      // not implemented
  XTerm_font             = 50,

  XTerm_konsole30        = 30,      // reserved for konsole
  XTerm_konsole31        = 31,      // reserved for konsole
  XTerm_emacs51          = 51,      // reserved for emacs shell
  /*
   * rxvt extensions of XTerm OSCs: ESC ] Ps;Pt (ST|BEL)
   * at least Rxvt_Color_BD and Rxvt_Color_UL clash with xterm
   */
  Rxvt_Color_BD          = 18,      // change actual 'Bold' color
  Rxvt_Color_UL          = 19,      // change actual 'Underline' color
  Rxvt_Pixmap            = 20,      // new bg pixmap
  Rxvt_restoreFG         = 39,      // change default fg color
  Rxvt_restoreBG         = 49,      // change default bg color
  Rxvt_dumpscreen        = 55,      // dump scrollback and all of screen

  URxvt_locale           = 701,     // change locale
  URxvt_version          = 702,     // request version

  URxvt_Color_IT         = 704,     // change actual 'Italic' colour
  URxvt_Color_tint       = 705,     // change actual tint colour
  URxvt_Color_BD         = 706,
  URxvt_Color_UL         = 707,

  URxvt_font             = 710,
  URxvt_boldFont         = 711,
  URxvt_italicFont       = 712,
  URxvt_boldItalicFont   = 713,

  URxvt_view_up          = 720,
  URxvt_view_down        = 721,

  URxvt_perl             = 777,
};

/* Words starting with `Color_' are colours.  Others are counts */
/*
 * The PixColor and rendition colour usage should probably be decoupled
 * on the unnecessary items, e.g. Color_pointer, but won't bother
 * until we need to.  Also, be aware of usage in pixcolor_set
 */

enum colour_list {
  Color_none = -2,
  Color_transparent = -1,
  Color_fg = 0,
  Color_bg,
  minCOLOR,                   /* 2 */
  Color_Black = minCOLOR,
  Color_Red3,
  Color_Green3,
  Color_Yellow3,
  Color_Blue3,
  Color_Magenta3,
  Color_Cyan3,
  maxCOLOR,                   /* minCOLOR + 7 */
#ifndef NO_BRIGHTCOLOR
  Color_AntiqueWhite = maxCOLOR,
  minBrightCOLOR,             /* maxCOLOR + 1 */
  Color_Grey25 = minBrightCOLOR,
  Color_Red,
  Color_Green,
  Color_Yellow,
  Color_Blue,
  Color_Magenta,
  Color_Cyan,
  maxBrightCOLOR,             /* minBrightCOLOR + 7 */
  Color_White = maxBrightCOLOR,
#else
  Color_White = maxCOLOR,
#endif
  minTermCOLOR = Color_White + 1,
  maxTermCOLOR = Color_White + 72,
#ifndef NO_CURSORCOLOR
  Color_cursor,
  Color_cursor2,
#endif
  Color_pointer_fg,
  Color_pointer_bg,
  Color_border,
#ifndef NO_BOLD_UNDERLINE_REVERSE
  Color_BD,
  Color_IT,
  Color_UL,
  Color_RV,
#endif
#if ENABLE_FRILLS
  Color_underline,
#endif
#ifdef OPTION_HC
  Color_HC,
#endif
#ifdef KEEP_SCROLLCOLOR
  Color_scroll,
  Color_trough,
#endif
#if ENABLE_TRANSPARENCY
  Color_tint,
#endif
#if OFF_FOCUS_FADING
  Color_fade,
#endif
  NRS_COLORS,                 /* */
#ifdef KEEP_SCROLLCOLOR
  Color_topShadow = NRS_COLORS,
  Color_bottomShadow,
  TOTAL_COLORS
#else
  TOTAL_COLORS = NRS_COLORS
#endif
};

#define Color_Bits      7 // 0 .. maxTermCOLOR

/*
 * Resource list
 */
enum {
# define def(name) Rs_ ## name,
# define reserve(name,count) Rs_ ## name ## _ = Rs_ ## name + (count) - 1,
# include "rsinc.h"
# undef def
# undef reserve
  NUM_RESOURCES
};

/* DEC private modes */
#define PrivMode_132            (1UL<<0)
#define PrivMode_132OK          (1UL<<1)
#define PrivMode_rVideo         (1UL<<2)
#define PrivMode_relOrigin      (1UL<<3)
#define PrivMode_Screen         (1UL<<4)
#define PrivMode_Autowrap       (1UL<<5)
#define PrivMode_aplCUR         (1UL<<6)
#define PrivMode_aplKP          (1UL<<7)
#define PrivMode_HaveBackSpace  (1UL<<8)
#define PrivMode_BackSpace      (1UL<<9)
#define PrivMode_ShiftKeys      (1UL<<10)
#define PrivMode_VisibleCursor  (1UL<<11)
#define PrivMode_MouseX10       (1UL<<12)
#define PrivMode_MouseX11       (1UL<<13)
#define PrivMode_scrollBar      (1UL<<14)
#define PrivMode_TtyOutputInh   (1UL<<15)
#define PrivMode_Keypress       (1UL<<16)
#define PrivMode_smoothScroll   (1UL<<17)
#define PrivMode_vt52           (1UL<<18)
#define PrivMode_LFNL           (1UL<<19)
#define PrivMode_MouseBtnEvent  (1UL<<20)
#define PrivMode_MouseAnyEvent  (1UL<<21)
/* too annoying to implement X11 highlight tracking */
/* #define PrivMode_MouseX11Track       (1LU<<20) */

#define PrivMode_mouse_report   (PrivMode_MouseX10|PrivMode_MouseX11|PrivMode_MouseBtnEvent|PrivMode_MouseAnyEvent)

#ifdef ALLOW_132_MODE
# define PrivMode_Default (PrivMode_Autowrap|PrivMode_ShiftKeys|PrivMode_VisibleCursor|PrivMode_132OK)
#else
# define PrivMode_Default (PrivMode_Autowrap|PrivMode_ShiftKeys|PrivMode_VisibleCursor)
#endif

// do not change these constants lightly, there are many interdependencies
#define IMBUFSIZ               128     // input modifier buffer sizes
#define KBUFSZ                 512     // size of keyboard mapping buffer
#define CBUFSIZ                2048    // size of command buffer
#define UBUFSIZ                2048    // character buffer

#ifndef PATH_MAX
# define PATH_MAX 16384
#endif

/* Motif window hints */
#define MWM_HINTS_FUNCTIONS     (1L << 0)
#define MWM_HINTS_DECORATIONS   (1L << 1)
#define MWM_HINTS_INPUT_MODE    (1L << 2)
#define MWM_HINTS_STATUS        (1L << 3)
/* bit definitions for MwmHints.functions */
#define MWM_FUNC_ALL            (1L << 0)
#define MWM_FUNC_RESIZE         (1L << 1)
#define MWM_FUNC_MOVE           (1L << 2)
#define MWM_FUNC_MINIMIZE       (1L << 3)
#define MWM_FUNC_MAXIMIZE       (1L << 4)
#define MWM_FUNC_CLOSE          (1L << 5)
/* bit definitions for MwmHints.decorations */
#define MWM_DECOR_ALL           (1L << 0)
#define MWM_DECOR_BORDER        (1L << 1)
#define MWM_DECOR_RESIZEH       (1L << 2)
#define MWM_DECOR_TITLE         (1L << 3)
#define MWM_DECOR_MENU          (1L << 4)
#define MWM_DECOR_MINIMIZE      (1L << 5)
#define MWM_DECOR_MAXIMIZE      (1L << 6)
/* bit definitions for MwmHints.inputMode */
#define MWM_INPUT_MODELESS                  0
#define MWM_INPUT_PRIMARY_APPLICATION_MODAL 1
#define MWM_INPUT_SYSTEM_MODAL              2
#define MWM_INPUT_FULL_APPLICATION_MODAL    3
#define PROP_MWM_HINTS_ELEMENTS             5

/*
 *****************************************************************************
 * MACRO DEFINES
 *****************************************************************************
 */
#define dLocal(type,name)       type const name = this->name

// for speed reasons, we assume that all codepoints 32 to 126 are
// single-width.
#define WCWIDTH(c)              (IN_RANGE_INC (c, 0x20, 0x7e) ? 1 : wcwidth (c))

/* convert pixel dimensions to row/column values.  Everything as int32_t */
#define Pixel2Col(x)            Pixel2Width((int32_t)(x))
#define Pixel2Row(y)            Pixel2Height((int32_t)(y))
#define Pixel2Width(x)          ((int32_t)(x) / (int32_t)fwidth)
#define Pixel2Height(y)         ((int32_t)(y) / (int32_t)fheight)
#define Col2Pixel(col)          ((int32_t)Width2Pixel(col))
#define Row2Pixel(row)          ((int32_t)Height2Pixel(row))
#define Width2Pixel(n)          ((int32_t)(n) * (int32_t)fwidth)
#define Height2Pixel(n)         ((int32_t)(n) * (int32_t)fheight)

// for m >= -n, ensure remainder lies between 0..n-1
#define MOD(m,n) (((m) + (n)) % (n))

#define LINENO(n) MOD (term_start + int(n), total_rows)
#define ROW(n) row_buf [LINENO (n)]

/* how to build & extract colors and attributes */
#define GET_BASEFG(x)           (((x) & RS_fgMask))
#define GET_BASEBG(x)           (((x) & RS_bgMask)>>Color_Bits)

#define GET_FONT(x)             (((x) & RS_fontMask) >> RS_fontShift)
#define SET_FONT(x,fid)         (((x) & ~RS_fontMask) | ((fid) << RS_fontShift))

#define GET_STYLE(x)            (((x) & RS_styleMask) >> RS_styleShift)
#define SET_STYLE(x,style)      (((x) & ~RS_styleMask) | ((style) << RS_styleShift))

#define GET_ATTR(x)             (((x) & RS_attrMask))
#define GET_BGATTR(x)                                                   \
    (((x) & RS_RVid) ? (((x) & (RS_attrMask & ~RS_RVid))                \
                        | (((x) & RS_fgMask)<<Color_Bits))              \
                     : ((x) & (RS_attrMask | RS_bgMask)))
#define SET_FGCOLOR(x,fg)       (((x) & ~RS_fgMask)   | (fg))
#define SET_BGCOLOR(x,bg)       (((x) & ~RS_bgMask)   | ((bg)<<Color_Bits))
#define SET_ATTR(x,a)           (((x) & ~RS_attrMask) | (a))

#define RS_SAME(a,b)            (!(((a) ^ (b)) & ~RS_Careful))

#define PIXCOLOR_NAME(idx)      rs[Rs_color + (idx)]
#define ISSET_PIXCOLOR(idx)     (!!rs[Rs_color + (idx)])

#if ENABLE_STYLES
# define FONTSET(style) fontset[GET_STYLE (style)]
#else
# define FONTSET(style) fontset[0]
#endif

#ifdef HAVE_SCROLLBARS
# define scrollbar_TotalWidth() (scrollBar.width + sb_shadow * 2)
#else
# define scrollbar_TotalWidth() (0)
#endif
#define scrollbar_isMotion()    (scrollBar.state == 'm')
#define scrollbar_isUp()        (scrollBar.state == 'U')
#define scrollbar_isDn()        (scrollBar.state == 'D')
#define scrollbar_isUpDn()      isupper (scrollBar.state)
#define isScrollbarWindow(w)    (scrollBar.state && (w) == scrollBar.win)

#define scrollbarnext_dnval()   (scrollBar.end + (scrollBar.width + 1))
#define scrollbarnext_upButton(y)       ((y) > scrollBar.end \
                                         && (y) <= scrollbarnext_dnval ())
#define scrollbarnext_dnButton(y)       ((y) > scrollbarnext_dnval())
#define SCROLLNEXT_MINHEIGHT    SB_THUMB_MIN_HEIGHT
#define scrollbarrxvt_upButton(y)       ((y) < scrollBar.beg)
#define scrollbarrxvt_dnButton(y)       ((y) > scrollBar.end)
#define SCROLLRXVT_MINHEIGHT    10
#define SCROLLXTERM_MINHEIGHT   10

#define scrollbar_minheight()   (scrollBar.style == R_SB_NEXT        \
                                 ? SCROLLNEXT_MINHEIGHT                 \
                                 : SCROLLRXVT_MINHEIGHT)
#define scrollbar_above_slider(y)       ((y) < scrollBar.top)
#define scrollbar_below_slider(y)       ((y) > scrollBar.bot)
#define scrollbar_position(y)           ((y) - scrollBar.beg)
#define scrollbar_size()                (scrollBar.end - scrollBar.beg \
                                         - scrollbar_minheight ())

typedef callback<void (const char *)> log_callback;
typedef callback<int (int)> getfd_callback;

#define SET_LOCALE(locale) rxvt_set_locale (locale)
extern bool rxvt_set_locale (const char *locale) NOTHROW;
extern void rxvt_push_locale (const char *locale) NOTHROW;
extern void rxvt_pop_locale () NOTHROW;

/****************************************************************************/

#define LINE_LONGER     0x0001 // line is continued on the next row
#define LINE_FILTERED   0x0002 // line has been filtered
#define LINE_COMPRESSED 0x0004 // line has been compressed (NYI)
#define LINE_FILTER     0x0008 // line needs to be filtered before display (NYI)
#define LINE_BIDI       0x0010 // line needs bidi (NYI)

struct line_t {
   text_t *t; // terminal the text
   rend_t *r; // rendition, uses RS_ flags
   tlen_t_ l; // length of each text line, LINE_CONT == continued on next line
   uint32_t f; // flags

   bool is_longer ()
   {
     return f & LINE_LONGER;
   }

   void is_longer (int set)
   {
     if (set)
       f |= LINE_LONGER;
     else
       f &= ~LINE_LONGER;
   }

   void clear ()
   {
     t = 0;
     r = 0;
     l = 0;
     f = 0;
   }

   void touch () // call whenever a line is changed/touched/updated
   {
#if ENABLE_PERL
     f &= ~LINE_FILTERED;
#endif
   }

   void touch (int col)
   {
     max_it (l, col);
     touch ();
   }
};

/****************************************************************************/

// primitive wrapper around mbstate_t to ensure initialisation
struct mbstate {
  mbstate_t mbs;

  operator mbstate_t *() { return &mbs; }
  void reset () { memset (&mbs, 0, sizeof (mbs)); }
  mbstate () { reset (); }
};

/****************************************************************************/

#define UNICODE_MASK 0x1fffffUL

#if UNICODE3
# define COMPOSE_LO 0x40000000UL
# define COMPOSE_HI 0x400fffffUL
# define IS_COMPOSE(n) ((int32_t)(n) >= COMPOSE_LO)
#else
# if ENABLE_PERL
#  define COMPOSE_LO 0xe000UL // our _own_ functions don't like (illegal) surrogates
#  define COMPOSE_HI 0xf8ffUL // in utf-8, so use private use area only
# else
#  define COMPOSE_LO 0xd800UL
#  define COMPOSE_HI 0xf8ffUL
# endif
# define IS_COMPOSE(n) IN_RANGE_INC ((n), COMPOSE_LO, COMPOSE_HI)
#endif

#if ENABLE_COMBINING
// compose chars are used to represent composite characters
// that are not representable in unicode, as well as characters
// not fitting in the BMP.
struct compose_char {
  unicode_t c1, c2; // any chars != NOCHAR are valid
  compose_char (unicode_t c1, unicode_t c2)
  : c1(c1), c2(c2)
  { }
};

class rxvt_composite_vec {
  vector<compose_char> v;
public:
  text_t compose (unicode_t c1, unicode_t c2 = NOCHAR);
  int expand (unicode_t c, wchar_t *r);
  compose_char *operator [](text_t c)
  {
    return c >= COMPOSE_LO && c < COMPOSE_LO + v.size ()
           ? &v[c - COMPOSE_LO]
           : 0;
  }
};

extern class rxvt_composite_vec rxvt_composite;
#endif

/****************************************************************************/

#ifdef KEYSYM_RESOURCE
class keyboard_manager;
#endif

struct rxvt_term : zero_initialized, rxvt_vars, rxvt_screen {

  // special markers with magic addresses
  static const char resval_undef [];    // options specifically unset
  static const char resval_on [];       // boolean options switched on
  static const char resval_off [];      // or off

  log_callback   *log_hook;             // log error messages through this hook, if != 0
  getfd_callback *getfd_hook;           // convert remote to local fd, if != 0
#if ENABLE_PERL
  rxvt_perl_term  perl;
#endif
  struct mbstate  mbstate;              // current input multibyte state

  unsigned char   want_refresh:1,
                  current_screen:1,     /* primary or secondary              */
                  num_scr_allow:1,
                  bypass_keystate:1,
#ifdef CURSOR_BLINK
                  hidden_cursor:1,
#endif
#ifdef TEXT_BLINK
                  hidden_text:1,
#endif
#ifdef POINTER_BLANK
                  hidden_pointer:1,
#endif
                  enc_utf8:1,           /* wether locale uses utf-8 */
                  seen_input:1,         /* wether we have seen some program output yet */
                  seen_resize:1,        /* wether we had a resize event */
                  parsed_geometry:1;

  unsigned char   refresh_type,
#ifdef META8_OPTION
                  meta_char,            /* Alt-key prefix */
#endif
                  scrollbar_align,
                  selection_wait,
                  selection_type;
/* ---------- */
  bool            rvideo_state, rvideo_mode;
#ifndef NO_BELL
  bool            rvideo_bell;
#endif
  int             num_scr;              /* screen: number lines scrolled */
  int             prev_ncol,            /* screen: previous number of columns */
                  prev_nrow;            /* screen: previous number of rows */
/* ---------- */
  rend_t          rstyle;
/* ---------- */
#ifdef SELECTION_SCROLLING
  int             scroll_selection_lines;
  enum page_dirn  scroll_selection_dir;
  int             selection_save_x,
                  selection_save_y,
                  selection_save_state;
#endif
/* ---------- */
  int             csrO,       /* Hops - csr offset in thumb/slider to      */
                              /*   give proper Scroll behaviour            */
#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
                  mouse_slip_wheel_speed,
#endif
                  refresh_count,
                  last_bot,   /* scrollbar last bottom position            */
                  last_top,   /* scrollbar last top position               */
                  last_state, /* scrollbar last state                      */
                  scrollbar_len,
                  window_vt_x,
                  window_vt_y,
                  window_sb_x,
                  mouse_row,
                  mouse_col,
# ifdef POINTER_BLANK
                  pointerBlankDelay,
# endif
                  allowedxerror;
/* ---------- */
  unsigned int    ModLevel3Mask,
                  ModMetaMask,
                  ModNumLockMask;
  int             old_width,  /* last used width in screen resize          */
                  old_height; /* last used height in screen resize         */
  unsigned long   priv_modes,
                  SavedModes;
/* ---------- */
  Atom            *xa;
/* ---------- */
#ifdef RXVT_SCROLLBAR
  GC              scrollbarGC,
                  topShadowGC,
                  botShadowGC;
#endif
#ifdef XTERM_SCROLLBAR
  GC              xscrollbarGC,
                  ShadowGC;
#endif
#ifdef PLAIN_SCROLLBAR
  GC              pscrollbarGC;
#endif
#ifdef NEXT_SCROLLBAR
  GC              blackGC,
                  whiteGC,
                  grayGC,
                  darkGC,
                  stippleGC;
  Pixmap          dimple,
                  upArrow,
                  downArrow,
                  upArrowHi,
                  downArrowHi;
#endif
/* ---------- */
  Time            selection_time,
                  selection_request_time;
  pid_t           cmd_pid;    /* process id of child */
  char *          incr_buf;
  size_t          incr_buf_size, incr_buf_fill;
/* ---------- */
  Cursor          leftptr_cursor;
/* ---------- */
  struct mouse_event MEvent;
  XComposeStatus  compose;
  ttymode_t       tio;
  row_col_t       oldcursor;
#ifdef HAVE_BG_PIXMAP
  bgPixmap_t      bgPixmap;
#endif
#ifdef HAVE_AFTERIMAGE
  ASVisual       *asv;
  ASImageManager *asimman;
#endif

#if ENABLE_OVERLAY
  int ov_x, ov_y, ov_w, ov_h; // overlay dimensions
  text_t **ov_text;
  rend_t **ov_rend;

  void scr_swap_overlay () NOTHROW;
  void scr_overlay_new (int x, int y, int w, int h) NOTHROW;
  void scr_overlay_off () NOTHROW;
  void scr_overlay_set (int x, int y,
                        text_t text,
                        rend_t rend = OVERLAY_RSTYLE) NOTHROW;
  void scr_overlay_set (int x, int y, const char *s) NOTHROW;
  void scr_overlay_set (int x, int y, const wchar_t *s) NOTHROW;
#endif

  vector<void *> allocated;           // free these memory blocks with free()

  char            env_windowid[21];   /* environmental variable WINDOWID */
  char            env_colorfgbg[sizeof ("COLORFGBG=default;default;bg") + 1];
  char           *env_display;        /* environmental variable DISPLAY  */
  char           *env_term;           /* environmental variable TERM     */

  char           *locale;
  char            charsets[4];
  char           *v_buffer;           /* pointer to physical buffer */
  unsigned int    v_buflen;           /* size of area to write */
  stringvec      *argv, *envv;        /* if != 0, will be freed at destroy time */

#ifdef KEYSYM_RESOURCE
  keyboard_manager *keyboard;
#endif
#ifndef NO_RESOURCES
  XrmDatabase option_db;
#endif

  const char     *rs[NUM_RESOURCES];
  /* command input buffering */
  char           *cmdbuf_ptr, *cmdbuf_endp;
  char            cmdbuf_base[CBUFSIZ];

  ptytty         *pty;

  rxvt_salloc    *talloc;             // text line allocator
  rxvt_salloc    *ralloc;             // rend line allocator

  static vector<rxvt_term *> termlist; // a vector of all running rxvt_term's

#if ENABLE_FRILLS || ISO_14755
  // ISO 14755 entry support
  unicode_t iso14755buf;
  void commit_iso14755 ();
  int hex_keyval (XKeyEvent &ev);
# if ISO_14755
  void iso14755_51 (unicode_t ch, rend_t r = DEFAULT_RSTYLE, int x = 0, int y = -1);
  void iso14755_54 (int x, int y);
# endif
#endif

  long vt_emask, vt_emask_perl, vt_emask_xim, vt_emask_mouse;

  void vt_select_input () const NOTHROW
  {
    XSelectInput (dpy, vt, vt_emask | vt_emask_perl | vt_emask_xim | vt_emask_mouse);
  }

#if ENABLE_TRANSPARENCY || ENABLE_PERL
  void rootwin_cb (XEvent &xev);
  xevent_watcher rootwin_ev;
#endif
#ifdef HAVE_BG_PIXMAP
  int update_background ();
#if TRACE_PIXMAPS
  int trace_update_background (const char* file, int line);
# define update_background() trace_update_background (__FILE__, __LINE__)
#endif
  void update_background_cb (ev::timer &w, int revents);
  ev::timer update_background_ev;
#endif

  void x_cb (XEvent &xev);
  xevent_watcher termwin_ev;
  xevent_watcher vt_ev;
#ifdef HAVE_SCROLLBARS
  xevent_watcher scrollbar_ev;
#endif

  void child_cb (ev::child &w, int revents); ev::child child_ev;
  void prepare_cb (ev::prepare &w, int revents); ev::prepare prepare_ev;
  void destroy_cb (ev::idle &w, int revents); ev::idle destroy_ev;
  void flush ();
  void flush_cb (ev::timer &w, int revents); ev::timer flush_ev;
  bool pty_fill ();
  void pty_cb (ev::io &w, int revents); ev::io pty_ev;
  void incr_cb (ev::timer &w, int revents) NOTHROW; ev::timer incr_ev;

#ifdef CURSOR_BLINK
  void cursor_blink_cb (ev::timer &w, int revents); ev::timer cursor_blink_ev;
#endif
#ifdef TEXT_BLINK
  void text_blink_cb (ev::timer &w, int revents); ev::timer text_blink_ev;
#endif
#ifndef NO_BELL
  void bell_cb (ev::timer &w, int revents); ev::timer bell_ev;
#endif

#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
  void cont_scroll_cb (ev::timer &w, int revents); ev::timer cont_scroll_ev;
#endif
#ifdef SELECTION_SCROLLING
  void sel_scroll_cb (ev::timer &w, int revents); ev::timer sel_scroll_ev;
#endif
#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
  void slip_wheel_cb (ev::timer &w, int revents); ev::timer slip_wheel_ev;
#endif

#ifdef POINTER_BLANK
  void pointer_cb (ev::timer &w, int revents); ev::timer pointer_ev;
  void pointer_blank ();
#endif
  void pointer_unblank ();

  void tt_printf (const char *fmt,...);
  void tt_write (const char *data, unsigned int len);
  void pty_write ();

  bool init (stringvec *argv, stringvec *envv)
  {
    this->argv = argv;
    return init (argv->size (), argv->begin (), envv);
  }

  void make_current () const // make this the "currently active" urxvt instance
  {
    SET_R (this);
    set_environ (envv);
    rxvt_set_locale (locale);
  }

#if USE_XIM
  rxvt_xim *input_method;
  XIC      Input_Context;
  XIMStyle input_style;
  XPoint   spot; // most recently sent spot position

  void im_destroy ();
  void im_cb (); im_watcher im_ev;
  void im_set_size (XRectangle &size);
  void im_set_position (XPoint &pos) NOTHROW;
  void im_set_color (unsigned long &fg, unsigned long &bg);
  void im_set_preedit_area (XRectangle &preedit_rect, XRectangle &status_rect, const XRectangle &needed_rect);

  bool IMisRunning ();
  void IMSendSpot ();
  bool IM_get_IC (const char *modifiers);
  void IMSetPosition ();
#endif

  // command.C
  void key_press (XKeyEvent &ev);
  void key_release (XKeyEvent &ev);
  unsigned int cmd_write (const char *str, unsigned int count);

  wchar_t next_char () NOTHROW;
  wchar_t cmd_getc () THROW ((class out_of_input));
  uint32_t next_octet () NOTHROW;
  uint32_t cmd_get8 () THROW ((class out_of_input));

  bool cmd_parse ();
  void mouse_report (XButtonEvent &ev);
  void button_press (XButtonEvent &ev);
  void button_release (XButtonEvent &ev);
  void focus_in ();
  void focus_out ();
  void update_fade_color (unsigned int idx);
#ifdef PRINTPIPE
  FILE *popen_printer ();
  int pclose_printer (FILE *stream);
#endif
  void process_print_pipe ();
  void process_nonprinting (unicode_t ch);
  void process_escape_vt52 (unicode_t ch);
  void process_escape_seq ();
  void process_csi_seq ();
  void process_window_ops (const int *args, unsigned int nargs);
  char *get_to_st (unicode_t &ends_how);
  void process_dcs_seq ();
  void process_osc_seq ();
  void process_color_seq (int report, int color, const char *str, char resp);
  void process_xterm_seq (int op, const char *str, char resp);
  int privcases (int mode, unsigned long bit);
  void process_terminal_mode (int mode, int priv, unsigned int nargs, const int *arg);
  void process_sgr_mode (unsigned int nargs, const int *arg);
  void process_graphics ();
  // init.C
  bool init_vars ();
  void init_secondary ();
  const char **init_resources (int argc, const char *const *argv);
  void init_env ();
  void set_locale (const char *locale);
  void init_xlocale ();
  void init_command (const char *const *argv);
  void run_command (const char *const *argv);
  int run_child (const char *const *argv);
  void color_aliases (int idx);
  void create_windows (int argc, const char *const *argv);
  void Get_Colours ();
  void get_ourmods ();
  // main.C
  void tt_winch ();
  rxvt_term ();
  ~rxvt_term ();
  void destroy ();
  void emergency_cleanup ();
  bool init (int argc, const char *const *argv, stringvec *envv);
  void recolour_cursor ();
  void resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent);
  void window_calc (unsigned int newwidth, unsigned int newheight);
  bool set_fonts ();
  void set_string_property (Atom prop, const char *str, int len = -1);
  void set_utf8_property (Atom prop, const char *str, int len = -1);
  void set_title (const char *str);
  void set_icon_name (const char *str);
  void set_window_color (int idx, const char *color);
  void set_colorfgbg ();
  bool set_color (rxvt_color &color, const char *name);
  void alias_color (int dst, int src);
  void set_widthheight (unsigned int newwidth, unsigned int newheight);
  void get_window_origin (int &x, int &y);
  Pixmap get_pixmap_property (int prop_id);

  // screen.C

  void lalloc (line_t &l) const
  {
    l.t = (text_t *)talloc->alloc ();
    l.r = (rend_t *)ralloc->alloc ();
  }

#if 0
  void lfree (line_t &l)
  {
    talloc->free (l.t);
    ralloc->free (l.r);
  }
#endif

  void lresize (line_t &l) const
  {
    if (!l.t)
      return;

    l.t = (text_t *)talloc->alloc (l.t, prev_ncol * sizeof (text_t));
    l.r = (rend_t *)ralloc->alloc (l.r, prev_ncol * sizeof (rend_t));

    l.l = min (l.l, ncol);

    if (ncol > prev_ncol)
      scr_blank_line (l, prev_ncol, ncol - prev_ncol, DEFAULT_RSTYLE);
  }

  int fgcolor_of (rend_t r) const NOTHROW
  {
    int base = GET_BASEFG (r);
#ifndef NO_BRIGHTCOLOR
    if (r & RS_Bold
# if ENABLE_STYLES
        && option (Opt_intensityStyles)
# endif
        && IN_RANGE_INC (base, minCOLOR, minBrightCOLOR))
      base += minBrightCOLOR - minCOLOR;
#endif
    return base;
  }

  int bgcolor_of (rend_t r) const NOTHROW
  {
    int base = GET_BASEBG (r);
#ifndef NO_BRIGHTCOLOR
    if (r & RS_Blink
# if ENABLE_STYLES
        && option (Opt_intensityStyles)
# endif
        && IN_RANGE_INC (base, minCOLOR, minBrightCOLOR))
      base += minBrightCOLOR - minCOLOR;
#endif
    return base;
  }

  bool option (uint8_t opt) const NOTHROW
  {
    return options[opt >> 3] & (1 << (opt & 7));
  }

  void set_option (uint8_t opt, bool set = true) NOTHROW
  {
    if (set)
      options[opt >> 3] |= (1 << (opt & 7));
    else
      options[opt >> 3] &= ~(1 << (opt & 7));
  }

  void PrivMode (int set, unsigned bit) NOTHROW
  {
    if (set)
      priv_modes |= bit;
    else
      priv_modes &= ~bit;
  }

  // modifies first argument(!)
  void paste (char *data, unsigned int len) NOTHROW;
  void scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const NOTHROW;
  void scr_blank_screen_mem (line_t &l, rend_t efs) const NOTHROW;
  int scr_scroll_text (int row1, int row2, int count) NOTHROW;
  void scr_reset ();
  void scr_release () NOTHROW;
  void scr_clear (bool really = false) NOTHROW;
  void scr_refresh () NOTHROW;
  bool scr_refresh_rend (rend_t mask, rend_t value) NOTHROW;
  void scr_erase_screen (int mode) NOTHROW;
#if ENABLE_FRILLS
  void scr_erase_savelines () NOTHROW;
  void scr_backindex () NOTHROW;
  void scr_forwardindex () NOTHROW;
#endif
  void scr_touch (bool refresh) NOTHROW;
  void scr_expose (int x, int y, int width, int height, bool refresh) NOTHROW;
  void scr_recolour () NOTHROW;
  void scr_remap_chars () NOTHROW;
  void scr_remap_chars (line_t &l) NOTHROW;

  enum cursor_mode { SAVE, RESTORE };

  void scr_poweron ();
  void scr_cursor (cursor_mode mode) NOTHROW;
  void scr_do_wrap () NOTHROW;
  void scr_swap_screen () NOTHROW;
  void scr_change_screen (int scrn);
  void scr_color (unsigned int color, int fgbg) NOTHROW;
  void scr_rendition (int set, int style) NOTHROW;
  void scr_add_lines (const wchar_t *str, int len, int minlines = 0) NOTHROW;
  void scr_backspace () NOTHROW;
  void scr_tab (int count, bool ht = false) NOTHROW;
  void scr_gotorc (int row, int col, int relative) NOTHROW;
  void scr_index (enum page_dirn direction) NOTHROW;
  void scr_erase_line (int mode) NOTHROW;
  void scr_E () NOTHROW;
  void scr_insdel_lines (int count, int insdel) NOTHROW;
  void scr_insdel_chars (int count, int insdel) NOTHROW;
  void scr_scroll_region (int top, int bot) NOTHROW;
  void scr_cursor_visible (int mode) NOTHROW;
  void scr_autowrap (int mode) NOTHROW;
  void scr_relative_origin (int mode) NOTHROW;
  void scr_insert_mode (int mode) NOTHROW;
  void scr_set_tab (int mode) NOTHROW;
  void scr_rvideo_mode (bool on) NOTHROW;
  void scr_report_position () NOTHROW;
  void set_font_style () NOTHROW;
  void scr_charset_choose (int set) NOTHROW;
  void scr_charset_set (int set, unsigned int ch) NOTHROW;
  void scr_move_to (int y, int len) NOTHROW;
  bool scr_page (enum page_dirn direction, int nlines) NOTHROW;
  bool scr_changeview (int new_view_start) NOTHROW;
  void scr_bell () NOTHROW;
  void scr_printscreen (int fullhist) NOTHROW;
  void scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) NOTHROW;
  void scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) NOTHROW;
  void scr_reverse_selection () NOTHROW;
  void scr_dump (int fd) NOTHROW;

  void selection_check (int check_more) NOTHROW;
  void selection_paste (Window win, Atom prop, bool delete_prop) NOTHROW;
  void selection_property (Window win, Atom prop) NOTHROW;
  void selection_request (Time tm, int selnum = Sel_Primary) NOTHROW;
  int selection_request_other (Atom target, int selnum) NOTHROW;
  void selection_clear () NOTHROW;
  void selection_make (Time tm);
  bool selection_grab (Time tm) NOTHROW;
  void selection_start_colrow (int col, int row) NOTHROW;
  void selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW;
  void selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW;
  void selection_remove_trailing_spaces () NOTHROW;
  void selection_send (const XSelectionRequestEvent &rq) NOTHROW;
  void selection_click (int clicks, int x, int y) NOTHROW;
  void selection_extend (int x, int y, int flag) NOTHROW;
  void selection_rotate (int x, int y) NOTHROW;

#if defined(NEXT_SCROLLBAR)
  // scrollbar-next.C
  Pixmap renderPixmap (const char *const *data, int width, int height);
  void init_scrollbar_stuff ();
  void drawBevel (Drawable d, int x1, int y1, int w, int h);
  int scrollbar_show_next (int update, int last_top, int last_bot, int scrollbar_len);
#endif

#if defined(RXVT_SCROLLBAR)
  // scrollbar-rxvt.C
  int scrollbar_show_rxvt (int update, int last_top, int last_bot, int scrollbar_len);
#endif

#if defined(XTERM_SCROLLBAR)
  // scrollbar-xterm.C
  int scrollbar_show_xterm (int update, int last_top, int last_bot, int scrollbar_len);
#endif

#if defined(PLAIN_SCROLLBAR)
  // scrollbar-plain.C
  int scrollbar_show_plain (int update, int last_top, int last_bot, int scrollbar_len);
#endif

  // scrollbar.C
  void resize_scrollbar ();
  int scrollbar_mapping (int map);
  int scrollbar_show (int update);
  void setup_scrollbar (const char *scrollalign, const char *scrollstyle, const char *thickness);

  // xdefaults.C
  void get_options (int argc, const char *const *argv);
  int parse_keysym (const char *str, const char *arg);
  const char *x_resource (const char *name);
  void extract_resources ();
};

#endif /* _RXVT_H_ */

Revision:	1.322
Committed:	Thu Nov 22 15:07:10 2007 UTC (16 years, 6 months ago) by ayin
Content type:	text/plain
Branch:	MAIN
CVS Tags:	rel-8_6
Changes since 1.321:	+3 -0 lines
Log Message:	The removal of rxvt own parsing caused an inconsistency for keysym directives between resources and command line options, because the former are subjected to xlib parsing while the latter are not. Fix it by generating resources from the command line options and merging them later in the resource database.