/****************************************************************************
- * Copyright (c) 1998-2010,2012 Free Software Foundation, Inc. *
+ * Copyright 2020,2021 Thomas E. Dickey *
+ * Copyright 1998-2012,2014 Free Software Foundation, Inc. *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
* copy of this software and associated documentation files (the *
#include "menu.priv.h"
-MODULE_ID("$Id: m_global.c,v 1.27 2012/06/10 00:09:15 tom Exp $")
+MODULE_ID("$Id: m_global.c,v 1.33 2021/03/27 23:46:29 tom Exp $")
static char mark[] = "-";
/* *INDENT-OFF* */
-NCURSES_EXPORT_VAR(MENU) _nc_Default_Menu = {
+MENU_EXPORT_VAR(MENU) _nc_Default_Menu = {
16, /* Nr. of chars high */
1, /* Nr. of chars wide */
16, /* Nr. of items high */
0, /* length of widest description */
1, /* length of mark */
1, /* length of one item */
- 1, /* Spacing for descriptor */
+ 1, /* Spacing for descriptor */
1, /* Spacing for columns */
1, /* Spacing for rows */
(char *)0, /* buffer used to store match chars */
0, /* Top row of menu */
(chtype)A_REVERSE, /* Attribute for selection */
(chtype)A_NORMAL, /* Attribute for nonselection */
- (chtype)A_UNDERLINE, /* Attribute for inactive */
+ (chtype)A_UNDERLINE, /* Attribute for inactive */
' ', /* Pad character */
(Menu_Hook)0, /* Menu init */
(Menu_Hook)0, /* Menu term */
(void *)0, /* userptr */
mark, /* mark */
ALL_MENU_OPTS, /* options */
- 0 /* status */
+ 0 /* status */
};
-NCURSES_EXPORT_VAR(ITEM) _nc_Default_Item = {
+MENU_EXPORT_VAR(ITEM) _nc_Default_Item = {
{ (char *)0, 0 }, /* name */
{ (char *)0, 0 }, /* description */
(MENU *)0, /* Pointer to parent menu */
/* *INDENT-ON* */
/*---------------------------------------------------------------------------
-| Facility : libnmenu
+| Facility : libnmenu
| Function : static void ComputeMaximum_NameDesc_Lenths(MENU *menu)
-|
+|
| Description : Calculates the maximum name and description lengths
| of the items connected to the menu
|
| Return Values : -
+--------------------------------------------------------------------------*/
NCURSES_INLINE static void
-ComputeMaximum_NameDesc_Lengths(MENU * menu)
+ComputeMaximum_NameDesc_Lengths(MENU *menu)
{
unsigned MaximumNameLength = 0;
unsigned MaximumDescriptionLength = 0;
ITEM **items;
- unsigned check;
assert(menu && menu->items);
for (items = menu->items; *items; items++)
{
- check = (unsigned)_nc_Calculate_Text_Width(&((*items)->name));
+ unsigned check = (unsigned)_nc_Calculate_Text_Width(&((*items)->name));
+
if (check > MaximumNameLength)
MaximumNameLength = check;
}
/*---------------------------------------------------------------------------
-| Facility : libnmenu
+| Facility : libnmenu
| Function : static void ResetConnectionInfo(MENU *, ITEM **)
-|
-| Description : Reset all informations in the menu and the items in
+|
+| Description : Reset all information in the menu and the items in
| the item array that indicates a connection
|
| Return Values : -
+--------------------------------------------------------------------------*/
NCURSES_INLINE static void
-ResetConnectionInfo(MENU * menu, ITEM ** items)
+ResetConnectionInfo(MENU *menu, ITEM **items)
{
ITEM **item;
for (item = items; *item; item++)
{
(*item)->index = 0;
- (*item)->imenu = (MENU *) 0;
+ (*item)->imenu = (MENU *)0;
}
if (menu->pattern)
free(menu->pattern);
menu->pattern = (char *)0;
menu->pindex = 0;
- menu->items = (ITEM **) 0;
+ menu->items = (ITEM **)0;
menu->nitems = 0;
}
/*---------------------------------------------------------------------------
-| Facility : libnmenu
+| Facility : libnmenu
| Function : bool _nc_Connect_Items(MENU *menu, ITEM **items)
|
| Description : Connect the items in the item array to the menu.
| Return Values : TRUE - successful connection
| FALSE - connection failed
+--------------------------------------------------------------------------*/
-NCURSES_EXPORT(bool)
-_nc_Connect_Items(MENU * menu, ITEM ** items)
+MENU_EXPORT(bool)
+_nc_Connect_Items(MENU *menu, ITEM **items)
{
- ITEM **item;
unsigned int ItemCount = 0;
if (menu && items)
{
+ ITEM **item;
+
for (item = items; *item; item++)
{
if ((*item)->imenu)
}
}
- /* If we fall through to this point, we have to reset all items connection
+ /* If we fall through to this point, we have to reset all items connection
and inform about a reject connection */
ResetConnectionInfo(menu, items);
return (FALSE);
}
/*---------------------------------------------------------------------------
-| Facility : libnmenu
+| Facility : libnmenu
| Function : void _nc_Disconnect_Items(MENU *menu)
-|
+|
| Description : Disconnect the menus item array from the menu
|
| Return Values : -
+--------------------------------------------------------------------------*/
-NCURSES_EXPORT(void)
-_nc_Disconnect_Items(MENU * menu)
+MENU_EXPORT(void)
+_nc_Disconnect_Items(MENU *menu)
{
if (menu && menu->items)
ResetConnectionInfo(menu, menu->items);
}
/*---------------------------------------------------------------------------
-| Facility : libnmenu
+| Facility : libnmenu
| Function : int _nc_Calculate_Text_Width(const TEXT * item)
-|
+|
| Description : Calculate the number of columns for a TEXT.
|
| Return Values : the width
+--------------------------------------------------------------------------*/
-NCURSES_EXPORT(int)
-_nc_Calculate_Text_Width(const TEXT * item /*FIXME: limit length */ )
+MENU_EXPORT(int)
+_nc_Calculate_Text_Width(const TEXT *item /*FIXME: limit length */ )
{
#if USE_WIDEC_SUPPORT
int result = item->length;
*/
#if USE_WIDEC_SUPPORT
static int
-calculate_actual_width(MENU * menu, bool name)
+calculate_actual_width(MENU *menu, bool name)
{
int width = 0;
- int check = 0;
- ITEM **items;
assert(menu && menu->items);
if (menu->items != 0)
{
+ ITEM **items;
+
for (items = menu->items; *items; items++)
{
- if (name)
- {
- check = _nc_Calculate_Text_Width(&((*items)->name));
- }
- else
- {
- check = _nc_Calculate_Text_Width(&((*items)->description));
- }
+ int check = (name
+ ? _nc_Calculate_Text_Width(&((*items)->name))
+ : _nc_Calculate_Text_Width(&((*items)->description)));
+
if (check > width)
width = check;
}
#endif
/*---------------------------------------------------------------------------
-| Facility : libnmenu
+| Facility : libnmenu
| Function : void _nc_Calculate_Item_Length_and_Width(MENU *menu)
-|
+|
| Description : Calculate the length of an item and the width of the
| whole menu.
|
| Return Values : -
+--------------------------------------------------------------------------*/
-NCURSES_EXPORT(void)
-_nc_Calculate_Item_Length_and_Width(MENU * menu)
+MENU_EXPORT(void)
+_nc_Calculate_Item_Length_and_Width(MENU *menu)
{
int l;
}
/*---------------------------------------------------------------------------
-| Facility : libnmenu
+| Facility : libnmenu
| Function : void _nc_Link_Item(MENU *menu)
-|
+|
| Description : Statically calculate for every item its four neighbors.
| This depends on the orientation of the menu. This
| static approach simplifies navigation in the menu a lot.
|
| Return Values : -
+--------------------------------------------------------------------------*/
-NCURSES_EXPORT(void)
-_nc_Link_Items(MENU * menu)
+MENU_EXPORT(void)
+_nc_Link_Items(MENU *menu)
{
if (menu && menu->items && *(menu->items))
{
- int i, j;
+ int i;
ITEM *item;
int Number_Of_Items = menu->nitems;
int col = 0, row = 0;
(cycle ? menu->items[(Last_in_Row >= Number_Of_Items) ?
Number_Of_Items - 1 :
Last_in_Row] :
- (ITEM *) 0);
+ (ITEM *)0);
item->right = ((col < (Number_Of_Columns - 1)) &&
((i + 1) < Number_Of_Items)
)?
menu->items[i + 1] :
(cycle ? menu->items[row * Number_Of_Columns] :
- (ITEM *) 0
+ (ITEM *)0
);
Last_in_Column = (menu->rows - 1) * Number_Of_Columns + col;
(cycle ? menu->items[(Last_in_Column >= Number_Of_Items) ?
Number_Of_Items - 1 :
Last_in_Column] :
- (ITEM *) 0);
+ (ITEM *)0);
item->down = ((i + Number_Of_Columns) < Number_Of_Items)
?
menu->items[i + Number_Of_Columns] :
(cycle ? menu->items[(row + 1) < menu->rows ?
Number_Of_Items - 1 : col] :
- (ITEM *) 0);
+ (ITEM *)0);
item->x = (short)col;
item->y = (short)row;
if (++col == Number_Of_Columns)
else
{
int Number_Of_Rows = menu->rows;
+ int j;
for (j = 0; j < Number_Of_Items; j++)
{
(cycle ? (Last_in_Column >= Number_Of_Items) ?
menu->items[Last_in_Column - Number_Of_Rows] :
menu->items[Last_in_Column] :
- (ITEM *) 0);
+ (ITEM *)0);
item->right = ((i + Number_Of_Rows) < Number_Of_Items)
?
menu->items[i + Number_Of_Rows] :
- (cycle ? menu->items[row] : (ITEM *) 0);
+ (cycle ? menu->items[row] : (ITEM *)0);
Last_in_Row = col * Number_Of_Rows + (Number_Of_Rows - 1);
menu->items[(Last_in_Row >= Number_Of_Items) ?
Number_Of_Items - 1 :
Last_in_Row] :
- (ITEM *) 0);
+ (ITEM *)0);
item->down = (row < (Number_Of_Rows - 1))
?
(col - 1) * Number_Of_Rows + row + 1]) :
(cycle ?
menu->items[col * Number_Of_Rows] :
- (ITEM *) 0
+ (ITEM *)0
);
item->x = (short)col;
}
/*---------------------------------------------------------------------------
-| Facility : libnmenu
+| Facility : libnmenu
| Function : void _nc_Show_Menu(const MENU* menu)
-|
+|
| Description : Update the window that is associated with the menu
|
| Return Values : -
+--------------------------------------------------------------------------*/
-NCURSES_EXPORT(void)
-_nc_Show_Menu(const MENU * menu)
+MENU_EXPORT(void)
+_nc_Show_Menu(const MENU *menu)
{
- WINDOW *win;
- int maxy, maxx;
-
assert(menu);
if ((menu->status & _POSTED) && !(menu->status & _IN_DRIVER))
{
+ WINDOW *win;
+ int maxy, maxx;
+
/* adjust the internal subwindow to start on the current top */
assert(menu->sub);
mvderwin(menu->sub, menu->spc_rows * menu->toprow, 0);
}
/*---------------------------------------------------------------------------
-| Facility : libnmenu
+| Facility : libnmenu
| Function : void _nc_New_TopRow_and_CurrentItem(
-| MENU *menu,
-| int new_toprow,
+| MENU *menu,
+| int new_toprow,
| ITEM *new_current_item)
-|
+|
| Description : Redisplay the menu so that the given row becomes the
| top row and the given item becomes the new current
| item.
|
| Return Values : -
+--------------------------------------------------------------------------*/
-NCURSES_EXPORT(void)
+MENU_EXPORT(void)
_nc_New_TopRow_and_CurrentItem(
- MENU * menu,
+ MENU *menu,
int new_toprow,
- ITEM * new_current_item)
+ ITEM *new_current_item)
{
- ITEM *cur_item;
- bool mterm_called = FALSE;
- bool iterm_called = FALSE;
-
assert(menu);
if (menu->status & _POSTED)
{
+ ITEM *cur_item;
+ bool mterm_called = FALSE;
+ bool iterm_called = FALSE;
+
if (new_current_item != menu->curitem)
{
Call_Hook(menu, itemterm);
cur_item = menu->curitem;
assert(cur_item);
- menu->toprow = (short)new_toprow;
+ menu->toprow = (short)(((menu->rows - menu->frows) >= 0)
+ ? min(menu->rows - menu->frows, new_toprow)
+ : 0);
menu->curitem = new_current_item;
if (mterm_called)
}
else
{ /* if we are not posted, this is quite simple */
- menu->toprow = (short)new_toprow;
+ menu->toprow = (short)(((menu->rows - menu->frows) >= 0)
+ ? min(menu->rows - menu->frows, new_toprow)
+ : 0);
menu->curitem = new_current_item;
}
}
projects / ncurses.git / blobdiff