This is menu.c in view mode; [Download] [Up]
#include "config.h"
#include "features.h"
#include <stdio.h>
#include <string.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#ifdef HAVE_STDLIB_H
# include <stdlib.h>
#endif
#include <slang.h>
#include "jdmacros.h"
#include "slrn.h"
#include "menu.h"
#include "misc.h"
typedef struct
{
char *menu_name;
char *function_name;
}
Menu_Type;
static Menu_Type Group_Mode_Menu [] =
{
{"Quit", "quit"},
{"Refresh", "refresh_groups"},
{"Top", "bob"},
{"Bot", "eob"},
{"Post", "post"},
{"Help", "help"},
{NULL, NULL}
};
static Menu_Type Article_Mode_Menu [] =
{
{"Quit", "quit"},
{"Catchup", "catchup_all"},
{"NextGrp", "skip_to_next_group"},
{"NextArt", "next"},
{"Top", "goto_beginning"},
{"Bot", "goto_end"},
{"Post", "post"},
{"Reply", "reply"},
{"Followup", "followup"},
{"Help", "help"},
{NULL, NULL}
};
static Menu_Type *Current_Menu;
static void update_menu (Menu_Type *m)
{
int col;
Current_Menu = m;
/* if (Slrn_Full_Screen_Update == 0) return; */
SLsmg_gotorc (0, 0);
slrn_set_color (MENU_COLOR);
if (m != NULL) while (m->menu_name != NULL)
{
SLsmg_write_string (m->menu_name);
SLsmg_write_string (" ");
m++;
}
SLsmg_erase_eol ();
col = SLtt_Screen_Cols - 16;
if (SLsmg_get_column () < col)
SLsmg_gotorc (0, col);
SLsmg_write_string ("slrn ");
SLsmg_write_string (Slrn_Version);
slrn_set_color (0);
}
int slrn_execute_menu (int want_col, SLKeymap_Function_Type *kf)
{
Menu_Type *m;
char *fun, *kf_fun;
int col;
int color;
if ((want_col < 0) || (want_col >= SLtt_Screen_Cols)) return -1;
m = Current_Menu;
if (m == NULL) return -1;
col = -1;
while (m->menu_name != NULL)
{
int dcol = 2 + strlen (m->menu_name);
if ((want_col > col)
&& (want_col <= col + dcol))
break;
col += dcol + 1;
m++;
}
if (m->menu_name == NULL) return -1;
/* redraw menu item so that user sees that it has been pressed */
if (col == -1) col = 0;
color = MENU_PRESS_COLOR;
SLsmg_gotorc (0, col);
while (1)
{
slrn_set_color (color);
if (col) SLsmg_write_string(" ");
SLsmg_write_string (m->menu_name);
SLsmg_write_string (" ");
SLsmg_gotorc (0, col);
slrn_smg_refresh ();
if (color == MENU_COLOR) break;
(void) SLang_input_pending (1); /* 1/10 sec */
color = MENU_COLOR;
}
slrn_set_color (0);
fun = m->function_name;
while (NULL != (kf_fun = kf->name))
{
if (!strcmp (kf_fun, fun))
{
((void (*)(void)) (kf->f)) ();
return 0;
}
kf++;
}
return -1;
}
void slrn_update_article_menu (void)
{
update_menu (Article_Mode_Menu);
}
void slrn_update_group_menu (void)
{
update_menu (Group_Mode_Menu);
}
static char *Sort_Selections [] =
{
"No sorting",
"Thread Headers",
"Sort by subject",
"Thread, then sort by subject.",
"Sort by scores.",
"Thread, then sort by scores.",
"Sort by score and subject",
"Thread, then sort by score and subject",
NULL
};
static Slrn_Select_Box_Type Slrn_Sort_Select_Box =
{
"Sorting Method", Sort_Selections
};
static void center_string_column (char *title, int row, int col, int num_columns)
{
int c;
int len = strlen (title);
c = (num_columns - len) / 2;
if (c < 0) c = 0;
c += col;
SLsmg_gotorc (row, c);
SLsmg_write_string (title);
}
static int draw_select_box (Slrn_Select_Box_Type *sb)
{
int num_selections, max_selection_len;
int num_rows, num_columns;
int len;
int row, column, r, c;
char **lines, *line, *title;
static Slrn_Select_Box_Type *last_sb;
if ((sb == NULL) && ((sb = last_sb) == NULL))
return -1;
last_sb = sb;
lines = sb->lines;
title = sb->title;
if (title == NULL) title = "";
max_selection_len = strlen (title);
num_selections = 0;
while ((line = *lines) != NULL)
{
len = strlen (line);
if (len > max_selection_len) max_selection_len = len;
num_selections++;
lines++;
}
/* allow room for title, blank line, top, bottom */
num_rows = num_selections + 4 + 2;
num_columns = max_selection_len + (3 + 3);
row = (SLtt_Screen_Rows - num_rows) / 2;
if (row < 0) row = 0;
column = (SLtt_Screen_Cols - num_columns) / 2;
if (column < 0) column = 0;
slrn_set_color (0);
SLsmg_fill_region (row, column, num_rows, num_columns, ' ');
r = row + 1;
center_string_column (title, r, column, num_columns);
lines = sb->lines;
num_selections = 0;
c = column + 1;
r += 1;
while ((line = *lines) != NULL)
{
lines++;
r++;
SLsmg_gotorc (r, c);
SLsmg_printf ("%2d %s", num_selections, line);
num_selections++;
}
r += 2;
center_string_column ("(Select One)", r, column, num_columns);
slrn_set_color (MENU_COLOR);
SLsmg_draw_box (row, column, num_rows, num_columns);
slrn_set_color (0);
slrn_smg_refresh ();
return num_selections;
}
static void (*Last_Redraw_Fun) (void);
static void select_box_redraw (void)
{
if (Last_Redraw_Fun != NULL) (*Last_Redraw_Fun) ();
draw_select_box (NULL);
Slrn_Full_Screen_Update = 1;
}
int slrn_select_box (Slrn_Select_Box_Type *sb)
{
int num_selections;
int rsp;
num_selections = draw_select_box (sb);
Last_Redraw_Fun = Slrn_Current_Mode->redraw_fun;
Slrn_Current_Mode->redraw_fun = select_box_redraw;
Slrn_Full_Screen_Update = 1;
rsp = SLang_getkey () - '0';
Slrn_Current_Mode->redraw_fun = Last_Redraw_Fun;
if ((rsp < 0) || (rsp >= num_selections))
{
slrn_error ("Cancelled.");
while (SLang_input_pending (2))
(void) SLang_getkey ();
return -1;
}
return rsp;
}
int slrn_sbox_sorting_method (void)
{
return slrn_select_box (&Slrn_Sort_Select_Box);
}
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.