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%
% Recall previous commands in MiniBuffer
%
% If -1, store only if not equal to last entered value
% If 0, never store duplicates
custom_variable ("Mini_Store_Duplicates", 1);
static variable Max_Num_Lines = 32;
static variable Mini_Previous_Lines;
static variable Mini_Last_Line;
static variable Mini_First_Line;
static variable Mini_Next_Line;
static define initialize ()
{
Mini_Previous_Lines = String_Type [Max_Num_Lines];
Mini_Last_Line = 0;
Mini_First_Line = 0;
Mini_Next_Line = 0;
Mini_Previous_Lines[[:]] = "";
}
initialize ();
static define mini_use_this_line ()
{
erase_buffer ();
insert (Mini_Previous_Lines[Mini_Next_Line]);
}
define next_mini_command ()
{
variable line;
if (Mini_Next_Line == Mini_Last_Line)
error ("End of list!");
Mini_Next_Line++;
% if (Mini_Next_Line == Max_Num_Lines) Mini_Next_Line = 0;
Mini_Next_Line = Mini_Next_Line mod Max_Num_Lines;
mini_use_this_line ();
}
define prev_mini_command ()
{
variable line;
line = Mini_Next_Line;
if (line == Mini_Last_Line)
Mini_Previous_Lines [line] = line_as_string ();
if (Mini_First_Line == Mini_Next_Line)
error ("Top of list!");
Mini_Next_Line = (Mini_Next_Line + Max_Num_Lines - 1) mod Max_Num_Lines;
mini_use_this_line ();
}
static define store_line (s)
{
if ((s == NULL) or (s == ""))
return;
Mini_Previous_Lines[Mini_Last_Line] = s;
Mini_Last_Line++;
Mini_Last_Line = Mini_Last_Line mod Max_Num_Lines;
if (Mini_Last_Line == Mini_First_Line)
{
Mini_First_Line++;
Mini_First_Line = Mini_First_Line mod Max_Num_Lines;
}
Mini_Next_Line = Mini_Last_Line;
Mini_Previous_Lines [Mini_Last_Line] = "";
}
public define mini_exit_minibuffer ()
{
Mini_Next_Line = Mini_Last_Line;
bol_skip_white ();
!if (eolp ())
{
variable line = line_as_string ();
switch (Mini_Store_Duplicates)
{
case 0: % never
if (length (where (line == Mini_Previous_Lines)))
line = NULL;
}
{
case -1: % sometimes
variable i = (Mini_Next_Line + Max_Num_Lines - 1) mod Max_Num_Lines;
if (Mini_Previous_Lines[i] == line)
line = NULL;
}
store_line (line);
}
call ("exit_mini");
}
public define mini_store_lines (lines)
{
foreach (lines)
store_line ();
}
public define mini_set_lines (lines)
{
initialize ();
mini_store_lines (lines);
}
public define mini_get_lines (num_p)
{
variable n = Mini_Last_Line - Mini_First_Line;
if (num_p != NULL)
@num_p = Max_Num_Lines;
if (n < 0)
n += (Max_Num_Lines+1);
variable lines = String_Type [n];
n = Mini_Last_Line - Mini_First_Line;
if (n < 0)
{
n = Max_Num_Lines - Mini_First_Line;
lines[[0:n-1]] = Mini_Previous_Lines[[Mini_First_Line:]];
lines[[n:]] = Mini_Previous_Lines[[0:Mini_Last_Line]];
return lines;
}
return Mini_Previous_Lines[[0:n-1]];
}
% This function is called from site.sl AFTER jed.rc has been read but
% before other command line arguments have been parsed.
public define mini_init_minibuffer ()
{
variable mini = "Mini_Map";
!if (keymap_p (mini))
make_keymap (mini);
#ifdef IBMPC_SYSTEM
definekey ("next_mini_command", "\eOr", mini);
definekey ("next_mini_command", "\xE0P", mini);
definekey ("prev_mini_command", "\xE0H", mini);
definekey ("prev_mini_command", "\eOx", mini);
#else
definekey ("next_mini_command", "\e[B", mini);
definekey ("prev_mini_command", "\e[A", mini);
definekey ("next_mini_command", "\eOB", mini);
definekey ("prev_mini_command", "\eOA", mini);
#endif
definekey ("mini_exit_minibuffer", "\r", mini);
definekey ("exit_mini", "\e\r", mini);
definekey ("mini_complete", "\t", mini);
definekey ("mini_complete", " ", mini);
% Now that we are initialized, remove this function
eval (".() mini_init_minibuffer");
}
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