alpine/mailindx.h

   1 /*
   2  * $Id: mailindx.h 770 2007-10-24 00:23:09Z hubert@u.washington.edu $
   3  *
   4  * ========================================================================
   5  * Copyright 2013-2021 Eduardo Chappa
   6  * Copyright 2006-2007 University of Washington
   7  *
   8  * Licensed under the Apache License, Version 2.0 (the "License");
   9  * you may not use this file except in compliance with the License.
  10  * You may obtain a copy of the License at
  11  *
  12  *     http://www.apache.org/licenses/LICENSE-2.0
  13  *
  14  * ========================================================================
  15  */
  16
  17 #ifndef PINE_MAILINDX_INCLUDED
  18 #define PINE_MAILINDX_INCLUDED
  19
  20
  21 #include "../pith/mailindx.h"
  22 #include "context.h"
  23 #include "keymenu.h"
  24 #include "../pith/state.h"
  25 #include "../pith/msgno.h"
  26 #include "../pith/indxtype.h"
  27 #include "../pith/thread.h"
  28 #include "../pith/color.h"
  29
  30
  31 /*-----------
  32   Saved state to redraw message index body
  33   ----*/
  34 struct entry_state {
  35     unsigned hilite:1;
  36     unsigned bolded:1;
  37     unsigned already_erased:1;
  38     int      plus;
  39     long     msgno;             /* last msgno we drew */
  40     unsigned long id;
  41 };
  42
  43
  44 struct index_state {
  45     long         msg_at_top,
  46                  lines_per_page;
  47     struct       entry_state *entry_state;
  48     MSGNO_S     *msgmap;
  49     MAILSTREAM  *stream;
  50     IndexColType status_fld;            /* field for select X's */
  51     int          status_col;            /* column for select X's */
  52     IndexColType plus_fld;              /* field for threading '+' or '>' */
  53     int          plus_col;              /* column for threading '+' or '>' */
  54     IndexColType arrow_fld;             /* field for cursor arrow */
  55 };
  56
  57
  58 #define AC_NONE         0x00            /* flags modifying apply_command */
  59 #define AC_FROM_THREAD  0x01            /* called from thread_command    */
  60 #define AC_COLL         0x02            /* offer collapse command        */
  61 #define AC_EXPN         0x04            /* offer expand command          */
  62 #define AC_UNSEL        0x08            /* all selected, offer UnSelect  */
  63
  64
  65 /*
  66  * Macro to reveal horizontal scroll margin.  It can be no greater than
  67  * half the number of lines on the display...
  68  */
  69 #define HS_MAX_MARGIN(p)        (((p)->ttyo->screen_rows-FOOTER_ROWS(p)-3)/2)
  70 #define HS_MARGIN(p)            MIN((p)->scroll_margin, HS_MAX_MARGIN(p))
  71
  72
  73 /*
  74  * Flags to indicate how much index border to paint
  75  */
  76 #define INDX_CLEAR      0x01
  77 #define INDX_HEADER     0x02
  78 #define INDX_FOOTER     0x04
  79
  80
  81 typedef enum {MsgIndex, MultiMsgIndex, ZoomIndex, ThreadIndex} IndexType;
  82
  83
  84 /*
  85  * Macro to simplify clearing body portion of pine's display
  86  */
  87 #define ClearBody()     ClearLines(1, ps_global->ttyo->screen_rows            \
  88                                                   - FOOTER_ROWS(ps_global) - 1)
  89
  90
  91 extern struct index_state *current_index_state;
  92
  93
  94 /* exported prototypes */
  95 void             mail_index_screen(struct pine *);
  96 struct key_menu *do_index_border(CONTEXT_S *, char *, MAILSTREAM *, MSGNO_S *, IndexType, int *, int);
  97 void            *stop_threading_temporarily(void);
  98 void             restore_threading(void **);
  99 int              index_lister(struct pine *, CONTEXT_S *, char *, MAILSTREAM *, MSGNO_S *);
 100 ICE_S           *build_header_line(struct pine *, MAILSTREAM *, MSGNO_S *, long, int *);
 101 int              condensed_thread_cue(PINETHRD_S *, ICE_S *, char **, size_t *, int, int);
 102 int              truncate_subj_and_from_strings(void);
 103 void             paint_index_hline(MAILSTREAM *, long, ICE_S *);
 104 void             setup_index_state(int);
 105 void             warn_other_cmds(void);
 106 void             thread_command(struct pine *, MAILSTREAM *, MSGNO_S *, UCS, int);
 107 COLOR_PAIR      *apply_rev_color(COLOR_PAIR *, int);
 108 #ifdef  _WINDOWS
 109 int              index_sort_callback(int, long);
 110 void             view_in_new_window(void);
 111 #endif
 112
 113
 114 #endif /* PINE_MAILINDX_INCLUDED */