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sidebar.c
1259 lines (1104 loc) · 31.8 KB
/
sidebar.c
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/* Copyright (C) 2004 Justin Hibbits <jrh29@po.cwru.edu>
* Copyright (C) 2004 Thomer M. Gil <mutt@thomer.com>
* Copyright (C) 2015-2016 Richard Russon <rich@flatcap.org>
* Copyright (C) 2016-2017,2020-2022 Kevin J. McCarthy <kevin@8t8.us>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
*/
#if HAVE_CONFIG_H
# include "config.h"
#endif
#include "mutt.h"
#include "buffy.h"
#include "keymap.h"
#include "mutt_curses.h"
#include "mutt_menu.h"
#include "sort.h"
/* Previous values for some sidebar config */
static short PreviousSort = SORT_ORDER; /* sidebar_sort_method */
/**
* struct sidebar_entry - Info about folders in the sidebar
*/
typedef struct sidebar_entry
{
char box[STRING]; /* formatted mailbox name */
BUFFY *buffy;
short is_hidden;
} SBENTRY;
static int EntryCount = 0;
static int EntryLen = 0;
static SBENTRY **Entries = NULL;
static int TopIndex = -1; /* First mailbox visible in sidebar */
static int OpnIndex = -1; /* Current (open) mailbox */
static int HilIndex = -1; /* Highlighted mailbox */
static int BotIndex = -1; /* Last mailbox visible in sidebar */
static int select_next (void);
static int select_prev (void);
/**
* cb_format_str - Create the string to show in the sidebar
* @dest: Buffer in which to save string
* @destlen: Buffer length
* @col: Starting column, UNUSED
* @op: printf-like operator, e.g. 'B'
* @src: printf-like format string
* @prefix: Field formatting string, UNUSED
* @ifstring: If condition is met, display this string
* @elsestring: Otherwise, display this string
* @data: Pointer to our sidebar_entry
* @flags: Format flags, e.g. MUTT_FORMAT_OPTIONAL
*
* cb_format_str is a callback function for mutt_FormatString. It understands
* six operators. '%B' : Mailbox name, '%F' : Number of flagged messages,
* '%N' : Number of new messages, '%S' : Size (total number of messages),
* '%!' : Icon denoting number of flagged messages.
* '%n' : N if folder has new mail, blank otherwise.
*
* Returns: src (unchanged)
*/
static const char *cb_format_str(char *dest, size_t destlen, size_t col, int cols, char op,
const char *src, const char *prefix, const char *ifstring,
const char *elsestring, void *data, format_flag flags)
{
SBENTRY *sbe = (SBENTRY *) data;
unsigned int optional;
char fmt[STRING];
if (!sbe || !dest)
return src;
dest[0] = 0; /* Just in case there's nothing to do */
BUFFY *b = sbe->buffy;
if (!b)
return src;
int c = Context && (mutt_strcmp (Context->realpath, b->realpath) == 0);
optional = flags & MUTT_FORMAT_OPTIONAL;
switch (op)
{
case 'B':
mutt_format_s (dest, destlen, prefix, sbe->box);
break;
case 'd':
if (!optional)
{
snprintf (fmt, sizeof (fmt), "%%%sd", prefix);
snprintf (dest, destlen, fmt, c ? Context->deleted : 0);
}
else if ((c && Context->deleted == 0) || !c)
optional = 0;
break;
case 'F':
if (!optional)
{
snprintf (fmt, sizeof (fmt), "%%%sd", prefix);
snprintf (dest, destlen, fmt, b->msg_flagged);
}
else if (b->msg_flagged == 0)
optional = 0;
break;
case 'L':
if (!optional)
{
snprintf (fmt, sizeof (fmt), "%%%sd", prefix);
snprintf (dest, destlen, fmt, c ? Context->vcount : b->msg_count);
}
else if ((c && Context->vcount == b->msg_count) || !c)
optional = 0;
break;
case 'N':
if (!optional)
{
snprintf (fmt, sizeof (fmt), "%%%sd", prefix);
snprintf (dest, destlen, fmt, b->msg_unread);
}
else if (b->msg_unread == 0)
optional = 0;
break;
case 'n':
if (!optional)
{
snprintf (fmt, sizeof (fmt), "%%%sc", prefix);
snprintf (dest, destlen, fmt, b->new ? 'N' : ' ');
}
else if (b->new == 0)
optional = 0;
break;
case 'S':
if (!optional)
{
snprintf (fmt, sizeof (fmt), "%%%sd", prefix);
snprintf (dest, destlen, fmt, b->msg_count);
}
else if (b->msg_count == 0)
optional = 0;
break;
case 't':
if (!optional)
{
snprintf (fmt, sizeof (fmt), "%%%sd", prefix);
snprintf (dest, destlen, fmt, c ? Context->tagged : 0);
}
else if ((c && Context->tagged == 0) || !c)
optional = 0;
break;
case '!':
if (b->msg_flagged == 0)
mutt_format_s (dest, destlen, prefix, "");
else if (b->msg_flagged == 1)
mutt_format_s (dest, destlen, prefix, "!");
else if (b->msg_flagged == 2)
mutt_format_s (dest, destlen, prefix, "!!");
else
{
snprintf (fmt, sizeof (fmt), "%d!", b->msg_flagged);
mutt_format_s (dest, destlen, prefix, fmt);
}
break;
}
if (optional)
mutt_FormatString (dest, destlen, col, cols, ifstring, cb_format_str, sbe, flags);
else if (flags & MUTT_FORMAT_OPTIONAL)
mutt_FormatString (dest, destlen, col, cols, elsestring, cb_format_str, sbe, flags);
/* We return the format string, unchanged */
return src;
}
/**
* make_sidebar_entry - Turn mailbox data into a sidebar string
* @buf: Buffer in which to save string
* @buflen: Buffer length
* @width: Desired width in screen cells
* @box: Mailbox name
* @b: Mailbox object
*
* Take all the relevant mailbox data and the desired screen width and then get
* mutt_FormatString to do the actual work. mutt_FormatString will callback to
* us using cb_format_str() for the sidebar specific formatting characters.
*/
static void make_sidebar_entry (char *buf, unsigned int buflen, int width, const char *box,
SBENTRY *sbe)
{
if (!buf || !box || !sbe)
return;
strfcpy (sbe->box, box, sizeof (sbe->box));
mutt_FormatString (buf, buflen, 0, width, NONULL(SidebarFormat), cb_format_str, sbe, 0);
/* Force string to be exactly the right width */
int w = mutt_strwidth (buf);
int s = mutt_strlen (buf);
width = MIN(buflen, width);
if (w < width)
{
/* Pad with spaces */
memset (buf + s, ' ', width - w);
buf[s + width - w] = 0;
}
else if (w > width)
{
/* Truncate to fit */
int len = mutt_wstr_trunc (buf, buflen, width, NULL);
buf[len] = 0;
}
}
/**
* cb_qsort_sbe - qsort callback to sort SBENTRYs
* @a: First SBENTRY to compare
* @b: Second SBENTRY to compare
*
* Returns:
* -1: a precedes b
* 0: a and b are identical
* 1: b precedes a
*/
static int cb_qsort_sbe (const void *a, const void *b)
{
const SBENTRY *sbe1 = *(const SBENTRY **) a;
const SBENTRY *sbe2 = *(const SBENTRY **) b;
BUFFY *b1 = sbe1->buffy;
BUFFY *b2 = sbe2->buffy;
int result = 0;
switch ((SidebarSortMethod & SORT_MASK))
{
/* Note: the three numeric counts below are reversed on purpose. */
case SORT_COUNT:
result = mutt_numeric_cmp (b2->msg_count, b1->msg_count);
break;
case SORT_UNREAD:
result = mutt_numeric_cmp (b2->msg_unread, b1->msg_unread);
break;
case SORT_FLAGGED:
result = mutt_numeric_cmp (b2->msg_flagged, b1->msg_flagged);
break;
case SORT_PATH:
result = mutt_strcasecmp (mutt_b2s (b1->pathbuf), mutt_b2s (b2->pathbuf));
break;
case SORT_SUBJECT:
result = mutt_strcasecmp (b1->label ? b1->label : mutt_b2s (b1->pathbuf),
b2->label ? b2->label : mutt_b2s (b2->pathbuf));
break;
}
if (SidebarSortMethod & SORT_REVERSE)
result = -result;
return result;
}
/**
* update_entries_visibility - Should a sidebar_entry be displayed in the sidebar
*
* For each SBENTRY in the Entries array, check whether we should display it.
* This is determined by several criteria. If the BUFFY:
* is the currently open mailbox
* is the currently highlighted mailbox
* has unread messages
* has flagged messages
* is whitelisted
*/
static void update_entries_visibility (void)
{
short new_only = option (OPTSIDEBARNEWMAILONLY);
SBENTRY *sbe;
int i;
for (i = 0; i < EntryCount; i++)
{
sbe = Entries[i];
sbe->is_hidden = 0;
if (!new_only)
continue;
if ((i == OpnIndex) || (sbe->buffy->msg_unread > 0) || sbe->buffy->new ||
(sbe->buffy->msg_flagged > 0))
continue;
if (Context && (mutt_strcmp (sbe->buffy->realpath, Context->realpath) == 0))
/* Spool directory */
continue;
if (mutt_find_list (SidebarWhitelist, mutt_b2s (sbe->buffy->pathbuf)))
/* Explicitly asked to be visible */
continue;
sbe->is_hidden = 1;
}
}
/**
* unsort_entries - Restore Entries array order to match Buffy list order
*/
static void unsort_entries (void)
{
BUFFY *cur = Incoming;
int i = 0, j;
SBENTRY *tmp;
while (cur && (i < EntryCount))
{
j = i;
while ((j < EntryCount) &&
(Entries[j]->buffy != cur))
j++;
if (j < EntryCount)
{
if (j != i)
{
tmp = Entries[i];
Entries[i] = Entries[j];
Entries[j] = tmp;
}
i++;
}
cur = cur->next;
}
}
/**
* sort_entries - Sort Entries array.
*
* Sort the Entries array according to the current sort config
* option "sidebar_sort_method". This calls qsort to do the work which calls our
* callback function "cb_qsort_sbe".
*
* Once sorted, the prev/next links will be reconstructed.
*/
static void sort_entries (void)
{
short ssm = (SidebarSortMethod & SORT_MASK);
/* These are the only sort methods we understand */
if ((ssm == SORT_COUNT) ||
(ssm == SORT_UNREAD) ||
(ssm == SORT_FLAGGED) ||
(ssm == SORT_PATH) ||
(ssm == SORT_SUBJECT))
qsort (Entries, EntryCount, sizeof (*Entries), cb_qsort_sbe);
else if ((ssm == SORT_ORDER) &&
(SidebarSortMethod != PreviousSort))
unsort_entries ();
}
/**
* prepare_sidebar - Prepare the list of SBENTRYs for the sidebar display
* @page_size: The number of lines on a page
*
* Before painting the sidebar, we determine which are visible, sort
* them and set up our page pointers.
*
* This is a lot of work to do each refresh, but there are many things that
* can change outside of the sidebar that we don't hear about.
*
* Returns:
* 0: No, don't draw the sidebar
* 1: Yes, draw the sidebar
*/
static int prepare_sidebar (int page_size)
{
int i;
SBENTRY *opn_entry = NULL, *hil_entry = NULL;
int page_entries;
if (!EntryCount || (page_size <= 0))
return 0;
if (OpnIndex >= 0)
opn_entry = Entries[OpnIndex];
if (HilIndex >= 0)
hil_entry = Entries[HilIndex];
update_entries_visibility ();
sort_entries ();
for (i = 0; i < EntryCount; i++)
{
if (opn_entry == Entries[i])
OpnIndex = i;
if (hil_entry == Entries[i])
HilIndex = i;
}
if ((HilIndex < 0) || Entries[HilIndex]->is_hidden ||
(SidebarSortMethod != PreviousSort))
{
if (OpnIndex >= 0)
HilIndex = OpnIndex;
else
{
HilIndex = 0;
/* Note is_hidden will only be set when OPTSIDEBARNEWMAILONLY */
if (Entries[HilIndex]->is_hidden)
if (!select_next ())
HilIndex = -1;
}
}
/* Set the Top and Bottom to frame the HilIndex in groups of page_size */
/* If OPTSIDEBARNEMAILONLY is set, some entries may be hidden so we
* need to scan for the framing interval */
if (option (OPTSIDEBARNEWMAILONLY))
{
TopIndex = BotIndex = -1;
while (BotIndex < HilIndex)
{
TopIndex = BotIndex + 1;
page_entries = 0;
while (page_entries < page_size)
{
BotIndex++;
if (BotIndex >= EntryCount)
break;
if (! Entries[BotIndex]->is_hidden)
page_entries++;
}
}
}
/* Otherwise we can just calculate the interval */
else
{
TopIndex = (HilIndex / page_size) * page_size;
BotIndex = TopIndex + page_size - 1;
}
if (BotIndex > (EntryCount - 1))
BotIndex = EntryCount - 1;
PreviousSort = SidebarSortMethod;
return (HilIndex >= 0);
}
/**
* draw_divider - Draw a line between the sidebar and the rest of mutt
* @num_rows: Height of the Sidebar
* @num_cols: Width of the Sidebar
*
* Draw a divider using characters from the config option "sidebar_divider_char".
* This can be an ASCII or Unicode character. First we calculate this
* characters' width in screen columns, then subtract that from the config
* option "sidebar_width".
*
* Returns:
* -1: Error: bad character, etc
* 0: Error: 0 width character
* n: Success: character occupies n screen columns
*/
static int draw_divider (int num_rows, int num_cols)
{
/* Calculate the width of the delimiter in screen cells */
int delim_len = mutt_strwidth (SidebarDividerChar);
if (delim_len < 1)
return delim_len;
if (delim_len > num_cols)
return 0;
SETCOLOR(MT_COLOR_DIVIDER);
int i;
for (i = 0; i < num_rows; i++)
{
mutt_window_move (MuttSidebarWindow, i, num_cols - delim_len); //RAR 0 for rhs
addstr (NONULL(SidebarDividerChar));
}
return delim_len;
}
/**
* fill_empty_space - Wipe the remaining Sidebar space
* @first_row: Window line to start (0-based)
* @num_rows: Number of rows to fill
* @width: Width of the Sidebar (minus the divider)
*
* Write spaces over the area the sidebar isn't using.
*/
static void fill_empty_space (int first_row, int num_rows, int width)
{
/* Fill the remaining rows with blank space */
SETCOLOR(MT_COLOR_NORMAL);
int r;
for (r = 0; r < num_rows; r++)
{
mutt_window_move (MuttSidebarWindow, first_row + r, 0); //RAR rhs
int i;
for (i = 0; i < width; i++)
addch (' ');
}
}
/**
* calculate_depth - Calculate depth of path based on SidebarDelimChars.
*
* If lastpath is not NULL, common_depth is also calculated. These
* are used for indentation and short_path calculation.
*/
static void calculate_depth (const char *path, const char *lastpath,
int *depth, int *common_depth)
{
int i, has_trailing_delim = 0;
*depth = *common_depth = 0;
if (!SidebarDelimChars || !path)
return;
for (i = 0; path[i]; i++)
{
if (strchr (SidebarDelimChars, path[i]))
{
(*depth)++;
/* /a/b/c and /a/b/c/ both are a depth of 3.
* Only count the final '\0' if the last character wasn't a separator.
*/
if (!path[i+1])
has_trailing_delim = 1;
}
if (lastpath)
{
/* path /a/b/c/d
* lastpath /a/b
* lastpath /a/
* lastpath /a
* ^
*/
if (strchr (SidebarDelimChars, path[i]) &&
(strchr (SidebarDelimChars, lastpath[i]) || !lastpath[i]))
{
(*common_depth)++;
if (!lastpath[i])
lastpath = NULL;
}
/* path /abc
* lastpath /ad
* lastpath /a/
* lastpath /a
* ^
*/
else if (!lastpath[i] || path[i] != lastpath[i])
lastpath = NULL;
}
}
if (!has_trailing_delim)
{
(*depth)++;
/* path /a
* lastpath /a/b/c
* lastpath /a/
* lastpath /a
* ^
*/
if (lastpath &&
(strchr (SidebarDelimChars, lastpath[i]) || !lastpath[i]))
(*common_depth)++;
}
}
#define SIDEBAR_MAX_INDENT 32
/**
* draw_sidebar - Write out a list of mailboxes, on the left
* @num_rows: Height of the Sidebar
* @num_cols: Width of the Sidebar
* @div_width: Width in screen characters taken by the divider
*
* Display a list of mailboxes in a panel on the left. What's displayed will
* depend on our index markers: TopBuffy, OpnBuffy, HilBuffy, BotBuffy.
* On the first run they'll be NULL, so we display the top of Mutt's list
* (Incoming).
*
* TopBuffy - first visible mailbox
* BotBuffy - last visible mailbox
* OpnBuffy - mailbox shown in Mutt's Index Panel
* HilBuffy - Unselected mailbox (the paging follows this)
*
* The entries are formatted using "sidebar_format" and may be abbreviated:
* "sidebar_short_path", indented: "sidebar_folder_indent",
* "sidebar_indent_string" and sorted: "sidebar_sort_method". Finally, they're
* trimmed to fit the available space.
*/
static void draw_sidebar (int num_rows, int num_cols, int div_width)
{
int entryidx;
int entry_color;
SBENTRY *entry;
BUFFY *b;
int maildir_is_prefix;
int indent_width = -1;
int indent_depths[SIDEBAR_MAX_INDENT];
const char *sidebar_folder_name;
BUFFER *pretty_folder_name, *last_folder_name, *indent_folder_name;
if (TopIndex < 0)
return;
pretty_folder_name = mutt_buffer_pool_get ();
last_folder_name = mutt_buffer_pool_get ();
indent_folder_name = mutt_buffer_pool_get ();
int w = num_cols - div_width;
int row = 0;
for (entryidx = TopIndex; (entryidx < EntryCount) && (row < num_rows); entryidx++)
{
entry = Entries[entryidx];
if (entry->is_hidden)
continue;
b = entry->buffy;
if ((b->msg_unread > 0) || (b->new))
entry_color = MT_COLOR_NEW;
else if (b->msg_flagged > 0)
entry_color = MT_COLOR_FLAGGED;
else if ((ColorDefs[MT_COLOR_SB_SPOOLFILE].pair != 0 ||
ColorDefs[MT_COLOR_SB_SPOOLFILE].attrs != 0) &&
(mutt_strcmp (mutt_b2s (b->pathbuf), Spoolfile) == 0))
entry_color = MT_COLOR_SB_SPOOLFILE;
else
entry_color = MT_COLOR_NORMAL;
if (entryidx == OpnIndex)
{
if ((ColorDefs[MT_COLOR_SB_INDICATOR].pair != 0 ||
ColorDefs[MT_COLOR_SB_INDICATOR].attrs != 0))
mutt_attrset_cursor (ColorDefs[entry_color],
ColorDefs[MT_COLOR_SB_INDICATOR]);
else
mutt_attrset_cursor (ColorDefs[entry_color],
ColorDefs[MT_COLOR_INDICATOR]);
}
else if (entryidx == HilIndex)
mutt_attrset_cursor (ColorDefs[entry_color],
ColorDefs[MT_COLOR_HIGHLIGHT]);
else
SETCOLOR(entry_color);
mutt_window_move (MuttSidebarWindow, row, 0);
if (Context && Context->realpath && !b->nopoll &&
!mutt_strcmp (b->realpath, Context->realpath))
{
b->msg_unread = Context->unread;
b->msg_count = Context->msgcount;
b->msg_flagged = Context->flagged;
}
maildir_is_prefix = 0;
if (option (OPTSIDEBARUSEMBSHORTCUTS))
{
mutt_buffer_strcpy (pretty_folder_name, mutt_b2s (b->pathbuf));
mutt_buffer_pretty_mailbox (pretty_folder_name);
sidebar_folder_name = mutt_b2s (pretty_folder_name);
if (sidebar_folder_name[0] == '=')
maildir_is_prefix = 1;
}
else
{
/* compute length of Maildir without trailing separator */
size_t maildirlen = mutt_strlen (Maildir);
if (maildirlen &&
SidebarDelimChars &&
strchr (SidebarDelimChars, Maildir[maildirlen - 1]))
maildirlen--;
/* check whether Maildir is a prefix of the current folder's path */
if ((mutt_buffer_len (b->pathbuf) > maildirlen) &&
(mutt_strncmp (Maildir, mutt_b2s (b->pathbuf), maildirlen) == 0) &&
SidebarDelimChars &&
strchr (SidebarDelimChars, mutt_b2s (b->pathbuf)[maildirlen]))
{
sidebar_folder_name = mutt_b2s (b->pathbuf) + (maildirlen + 1);
maildir_is_prefix = 1;
}
/* mutt_expand_path() now expands relative paths too.
* To try not to change the sidebar in case it has those, use
* pretty_mailbox to translate back to relative paths */
else
{
mutt_buffer_strcpy (pretty_folder_name, mutt_b2s (b->pathbuf));
mutt_buffer_pretty_mailbox (pretty_folder_name);
sidebar_folder_name = mutt_b2s (pretty_folder_name);
if ((*sidebar_folder_name == '=') || (*sidebar_folder_name == '~'))
sidebar_folder_name = mutt_b2s (b->pathbuf);
}
}
if (SidebarDelimChars)
{
int parent_depth = 0;
int i;
if (option (OPTSIDEBARSHORTPATH) || option (OPTSIDEBARFOLDERINDENT))
{
int depth = 0, common_depth = 0;
calculate_depth (sidebar_folder_name, mutt_b2s (last_folder_name),
&depth, &common_depth);
if (option(OPTSIDEBARRELSPINDENT))
{
mutt_buffer_strcpy (last_folder_name, sidebar_folder_name);
if (indent_width < SIDEBAR_MAX_INDENT)
indent_width++;
/* indent_depths[] hold the path depths at each level of indentation.
* Indent based off the longest path that we share in common.
*
* The 'indent_depths[] >= depth' test below is for a corner case:
*
* path depth common_depth indent_width
* /a 2 0 0
* /a/b 3 2 1
* /a/b/ 3 3 1
*
* Because the common_depth of /a/b/ matches the depth of
* /a/b, we need the additional test to continue popping the
* indent_depths[] stack.
*/
while (indent_width &&
((indent_depths[indent_width - 1] > common_depth) ||
(indent_depths[indent_width - 1] >= depth)))
indent_width--;
if (indent_width < SIDEBAR_MAX_INDENT)
indent_depths[indent_width] = depth;
if (indent_width)
parent_depth = indent_depths[indent_width - 1];
}
else
{
parent_depth = depth - 1;
indent_width = maildir_is_prefix ? depth - 1 : 0;
}
}
if (option (OPTSIDEBARSHORTPATH) && (parent_depth > 0))
{
for (i = 0; parent_depth && sidebar_folder_name[i]; i++)
if (strchr (SidebarDelimChars, sidebar_folder_name[i]))
parent_depth--;
sidebar_folder_name += i;
}
/* For labels, ignore shortpath, but allow indentation */
if (b->label)
sidebar_folder_name = b->label;
if (option (OPTSIDEBARFOLDERINDENT) && (indent_width > 0))
{
mutt_buffer_clear (indent_folder_name);
for (i = 0; i < indent_width; i++)
mutt_buffer_addstr (indent_folder_name, NONULL(SidebarIndentString));
mutt_buffer_addstr (indent_folder_name, sidebar_folder_name);
sidebar_folder_name = mutt_b2s (indent_folder_name);
}
}
else if (b->label)
sidebar_folder_name = b->label;
char str[STRING];
make_sidebar_entry (str, sizeof (str), w, sidebar_folder_name, entry);
printw ("%s", str);
row++;
}
mutt_buffer_pool_release (&pretty_folder_name);
mutt_buffer_pool_release (&last_folder_name);
mutt_buffer_pool_release (&indent_folder_name);
fill_empty_space (row, num_rows - row, w);
}
/**
* mutt_sb_draw - Completely redraw the sidebar
*
* Completely refresh the sidebar region. First draw the divider; then, for
* each BUFFY, call make_sidebar_entry; finally blank out any remaining space.
*/
void mutt_sb_draw (void)
{
if (!option (OPTSIDEBAR))
return;
int num_rows = MuttSidebarWindow->rows;
int num_cols = MuttSidebarWindow->cols;
if (!num_cols)
return;
int div_width = draw_divider (num_rows, num_cols);
if ((div_width < 0) || (div_width >= num_cols))
return;
if (!prepare_sidebar (num_rows))
fill_empty_space (0, num_rows, num_cols - div_width);
else
draw_sidebar (num_rows, num_cols, div_width);
}
/**
* select_first - Selects the first unhidden mailbox
*
* Returns:
* 1: Success
* 0: Failure
*/
static int select_first (void)
{
int orig_hil_index = HilIndex;
if (!EntryCount || HilIndex < 0)
return 0;
HilIndex = 0;
if (Entries[HilIndex]->is_hidden)
if (!select_next ())
HilIndex = orig_hil_index;
return (orig_hil_index != HilIndex);
}
/**
* select_last - Selects the last unhidden mailbox
*
* Returns:
* 1: Success
* 0: Failure
*/
static int select_last (void)
{
int orig_hil_index = HilIndex;
if (!EntryCount || HilIndex < 0)
return 0;
HilIndex = EntryCount;
if (!select_prev ())
HilIndex = orig_hil_index;
return (orig_hil_index != HilIndex);
}
/**
* select_next - Selects the next unhidden mailbox
*
* Returns:
* 1: Success
* 0: Failure
*/
static int select_next (void)
{
int entry = HilIndex;
if (!EntryCount || HilIndex < 0)
return 0;
do
{
entry++;
if (entry == EntryCount)
return 0;
} while (Entries[entry]->is_hidden);
HilIndex = entry;
return 1;
}
/**
* select_next_new - Selects the next new mailbox
*
* Search down the list of mail folders for one containing new mail.
*
* Returns:
* 1: Success
* 0: Failure
*/
static int select_next_new (void)
{
int entry = HilIndex;
if (!EntryCount || HilIndex < 0)
return 0;
do
{
entry++;
if (entry == EntryCount)
{
if (option (OPTSIDEBARNEXTNEWWRAP))
entry = 0;
else
return 0;
}
if (entry == HilIndex)
return 0;
} while (!Entries[entry]->buffy->new &&
!Entries[entry]->buffy->msg_unread);
HilIndex = entry;
return 1;
}
/**
* select_prev - Selects the previous unhidden mailbox
*
* Returns:
* 1: Success
* 0: Failure
*/
static int select_prev (void)
{
int entry = HilIndex;
if (!EntryCount || HilIndex < 0)
return 0;
do
{
entry--;
if (entry < 0)
return 0;
} while (Entries[entry]->is_hidden);
HilIndex = entry;
return 1;
}
/**
* select_prev_new - Selects the previous new mailbox
*
* Search up the list of mail folders for one containing new mail.
*
* Returns:
* 1: Success
* 0: Failure
*/
static int select_prev_new (void)
{
int entry = HilIndex;
if (!EntryCount || HilIndex < 0)
return 0;
do
{
entry--;
if (entry < 0)
{
if (option (OPTSIDEBARNEXTNEWWRAP))
entry = EntryCount - 1;
else
return 0;
}
if (entry == HilIndex)