/****************************************************************************
- * Copyright (c) 1998-2010,2012 Free Software Foundation, Inc. *
+ * Copyright 2020 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 1.26 2012/03/10 23:43:41 tom Exp $")
+MODULE_ID("$Id: m_global.c,v 1.32 2020/12/12 00:38:02 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;
assert(menu && menu->items);
for (items = menu->items; *items; items++)
{
- check = (unsigned) _nc_Calculate_Text_Width(&((*items)->name));
+ check = (unsigned)_nc_Calculate_Text_Width(&((*items)->name));
if (check > MaximumNameLength)
MaximumNameLength = check;
- check = (unsigned) _nc_Calculate_Text_Width(&((*items)->description));
+ check = (unsigned)_nc_Calculate_Text_Width(&((*items)->description));
if (check > MaximumDescriptionLength)
MaximumDescriptionLength = check;
}
- menu->namelen = (short) MaximumNameLength;
- menu->desclen = (short) MaximumDescriptionLength;
+ menu->namelen = (short)MaximumNameLength;
+ menu->desclen = (short)MaximumDescriptionLength;
T(("ComputeMaximum_NameDesc_Lengths %d,%d", menu->namelen, menu->desclen));
}
/*---------------------------------------------------------------------------
-| 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;
{
(*item)->value = FALSE;
}
- (*item)->index = (short) ItemCount++;
+ (*item)->index = (short)ItemCount++;
(*item)->imenu = menu;
}
}
if (ItemCount != 0)
{
menu->items = items;
- menu->nitems = (short) ItemCount;
+ menu->nitems = (short)ItemCount;
ComputeMaximum_NameDesc_Lengths(menu);
if ((menu->pattern = typeMalloc(char, (unsigned)(1 + menu->namelen))))
{
}
}
- /* 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;
T((T_CALLED("_nc_menu_text_width(%p)"), (const void *)item));
if (result != 0 && item->str != 0)
{
- int count = (int) mbstowcs(0, item->str, 0);
+ int count = (int)mbstowcs(0, item->str, 0);
wchar_t *temp = 0;
if (count > 0
*/
#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;
#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;
assert(menu);
- menu->height = (short) (1 + menu->spc_rows * (menu->arows - 1));
+ menu->height = (short)(1 + menu->spc_rows * (menu->arows - 1));
l = calculate_actual_width(menu, TRUE);
l += menu->marklen;
l += menu->spc_desc;
}
- menu->itemlen = (short) l;
+ menu->itemlen = (short)l;
l *= menu->cols;
l += (menu->cols - 1) * menu->spc_cols; /* for the padding between the columns */
- menu->width = (short) l;
+ menu->width = (short)l;
T(("_nc_CalculateItem_Length_and_Width columns %d, item %d, width %d",
menu->cols,
}
/*---------------------------------------------------------------------------
-| 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 Last_in_Column;
bool cycle = (menu->opt & O_NONCYCLIC) ? FALSE : TRUE;
- menu->status &= (unsigned short) (~_LINK_NEEDED);
+ ClrStatus(menu, _LINK_NEEDED);
if (menu->opt & O_ROWMAJOR)
{
(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->x = (short) col;
- item->y = (short) row;
+ (ITEM *)0);
+ item->x = (short)col;
+ item->y = (short)row;
if (++col == Number_Of_Columns)
{
row++;
(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;
- item->y = (short) row;
+ item->x = (short)col;
+ item->y = (short)row;
if ((++row) == Number_Of_Rows)
{
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;
}
/*---------------------------------------------------------------------------
-| 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;
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