/****************************************************************************
- * Copyright (c) 1998,2000 Free Software Foundation, Inc. *
+ * Copyright (c) 1998-2004,2005 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 *
/****************************************************************************
* Author: Juergen Pfeifer, 1995,1997 *
- * Contact: http://www.familiepfeifer.de/Contact.aspx?Lang=en *
****************************************************************************/
/***************************************************************************
#include "menu.priv.h"
-MODULE_ID("$Id: m_global.c,v 1.14 2002/07/06 15:22:16 juergen Exp $")
+MODULE_ID("$Id: m_global.c,v 1.23 2005/12/31 21:51:52 tom Exp $")
static char mark[] = "-";
-
+/* *INDENT-OFF* */
NCURSES_EXPORT_VAR(MENU) _nc_Default_Menu = {
16, /* Nr. of chars high */
1, /* Nr. of chars wide */
(ITEM *)0, /* up */
(ITEM *)0 /* down */
};
+/* *INDENT-ON* */
/*---------------------------------------------------------------------------
| Facility : libnmenu
|
| Return Values : -
+--------------------------------------------------------------------------*/
-INLINE static void ComputeMaximum_NameDesc_Lengths(MENU * menu)
+NCURSES_INLINE static void
+ComputeMaximum_NameDesc_Lengths(MENU * menu)
{
- unsigned MaximumNameLength = 0;
+ unsigned MaximumNameLength = 0;
unsigned MaximumDescriptionLength = 0;
ITEM **items;
-
+ unsigned check;
+
assert(menu && menu->items);
- for( items = menu->items; *items ; items++ )
+ for (items = menu->items; *items; items++)
{
- if (items[0]->name.length > MaximumNameLength )
- MaximumNameLength = items[0]->name.length;
-
- if (items[0]->description.length > MaximumDescriptionLength)
- MaximumDescriptionLength = items[0]->description.length;
+ check = _nc_Calculate_Text_Width(&((*items)->name));
+ if (check > MaximumNameLength)
+ MaximumNameLength = check;
+
+ check = _nc_Calculate_Text_Width(&((*items)->description));
+ if (check > MaximumDescriptionLength)
+ MaximumDescriptionLength = check;
}
-
+
menu->namelen = MaximumNameLength;
menu->desclen = MaximumDescriptionLength;
+ T(("ComputeMaximum_NameDesc_Lengths %d,%d", menu->namelen, menu->desclen));
}
/*---------------------------------------------------------------------------
|
| Return Values : -
+--------------------------------------------------------------------------*/
-INLINE static void ResetConnectionInfo(MENU *menu, ITEM **items)
+NCURSES_INLINE static void
+ResetConnectionInfo(MENU * menu, ITEM ** items)
{
ITEM **item;
-
+
assert(menu && items);
- for(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->nitems = 0;
+ menu->pindex = 0;
+ menu->items = (ITEM **) 0;
+ menu->nitems = 0;
}
/*---------------------------------------------------------------------------
| Decorate all the items with a number and a backward
| pointer to the menu.
|
-| Return Values : TRUE - successfull connection
+| Return Values : TRUE - successful connection
| FALSE - connection failed
+--------------------------------------------------------------------------*/
NCURSES_EXPORT(bool)
-_nc_Connect_Items (MENU *menu, ITEM **items)
+_nc_Connect_Items(MENU * menu, ITEM ** items)
{
ITEM **item;
unsigned int ItemCount = 0;
-
- if ( menu && items )
- {
- for(item=items; *item ; item++)
+
+ if (menu && items)
+ {
+ for (item = items; *item; item++)
{
- if ( (*item)->imenu )
+ if ((*item)->imenu)
{
/* if a item is already connected, reject connection */
break;
}
}
- if (! (*item) )
+ if (!(*item))
/* we reached the end, so there was no connected item */
{
- for(item=items; *item ; item++)
+ for (item = items; *item; item++)
{
if (menu->opt & O_ONEVALUE)
{
}
(*item)->index = ItemCount++;
(*item)->imenu = menu;
- }
+ }
}
}
else
- return(FALSE);
-
+ return (FALSE);
+
if (ItemCount != 0)
{
- menu->items = items;
+ menu->items = items;
menu->nitems = ItemCount;
ComputeMaximum_NameDesc_Lengths(menu);
- if ( (menu->pattern = (char *)malloc( (unsigned)(1 + menu->namelen))) )
+ if ((menu->pattern = typeMalloc(char, (unsigned)(1 + menu->namelen))))
{
- Reset_Pattern(menu);
- set_menu_format(menu,menu->frows,menu->fcols);
+ Reset_Pattern(menu);
+ set_menu_format(menu, menu->frows, menu->fcols);
menu->curitem = *items;
menu->toprow = 0;
- return(TRUE);
+ return (TRUE);
}
}
-
+
/* 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);
+ ResetConnectionInfo(menu, items);
+ return (FALSE);
}
/*---------------------------------------------------------------------------
| Return Values : -
+--------------------------------------------------------------------------*/
NCURSES_EXPORT(void)
-_nc_Disconnect_Items (MENU * menu)
+_nc_Disconnect_Items(MENU * menu)
{
if (menu && menu->items)
- ResetConnectionInfo( menu, menu->items );
+ ResetConnectionInfo(menu, menu->items);
+}
+
+/*---------------------------------------------------------------------------
+| 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 */ )
+{
+#if USE_WIDEC_SUPPORT
+ int result = item->length;
+
+ T((T_CALLED("_nc_menu_text_width(%p)"), item));
+ if (result != 0 && item->str != 0)
+ {
+ int count = mbstowcs(0, item->str, 0);
+ wchar_t *temp = 0;
+
+ if (count > 0
+ && (temp = typeMalloc(wchar_t, 2 + count)) != 0)
+ {
+ int n;
+
+ result = 0;
+ mbstowcs(temp, item->str, (unsigned)count);
+ for (n = 0; n < count; ++n)
+ {
+ int test = wcwidth(temp[n]);
+
+ if (test <= 0)
+ test = 1;
+ result += test;
+ }
+ free(temp);
+ }
+ }
+ returnCode(result);
+#else
+ return item->length;
+#endif
+}
+
+/*
+ * Calculate the actual width of a menu entry for wide-characters.
+ */
+#if USE_WIDEC_SUPPORT
+static int
+calculate_actual_width(MENU * menu, bool name)
+{
+ int width = 0;
+ int check = 0;
+ ITEM **items;
+
+ assert(menu && menu->items);
+
+ if (menu->items != 0)
+ {
+ for (items = menu->items; *items; items++)
+ {
+ if (name)
+ {
+ check = _nc_Calculate_Text_Width(&((*items)->name));
+ }
+ else
+ {
+ check = _nc_Calculate_Text_Width(&((*items)->description));
+ }
+ if (check > width)
+ width = check;
+ }
+ }
+ else
+ {
+ width = (name ? menu->namelen : menu->desclen);
+ }
+
+ T(("calculate_actual_width %s = %d/%d",
+ name ? "name" : "desc",
+ width,
+ name ? menu->namelen : menu->desclen));
+ return width;
}
+#else
+#define calculate_actual_width(menu, name) (name ? menu->namelen : menu->desclen)
+#endif
/*---------------------------------------------------------------------------
| Facility : libnmenu
| Return Values : -
+--------------------------------------------------------------------------*/
NCURSES_EXPORT(void)
-_nc_Calculate_Item_Length_and_Width (MENU * menu)
+_nc_Calculate_Item_Length_and_Width(MENU * menu)
{
int l;
-
+
assert(menu);
- menu->height = 1 + menu->spc_rows * (menu->arows - 1);
+ menu->height = 1 + menu->spc_rows * (menu->arows - 1);
+
+ l = calculate_actual_width(menu, TRUE);
+ l += menu->marklen;
+
+ if ((menu->opt & O_SHOWDESC) && (menu->desclen > 0))
+ {
+ l += calculate_actual_width(menu, FALSE);
+ l += menu->spc_desc;
+ }
- l = menu->namelen + menu->marklen;
- if ( (menu->opt & O_SHOWDESC) && (menu->desclen > 0) )
- l += (menu->desclen + menu->spc_desc);
-
menu->itemlen = l;
l *= menu->cols;
- l += (menu->cols-1)*menu->spc_cols; /* for the padding between the columns */
+ l += (menu->cols - 1) * menu->spc_cols; /* for the padding between the columns */
menu->width = l;
-}
+
+ T(("_nc_CalculateItem_Length_and_Width columns %d, item %d, width %d",
+ menu->cols,
+ menu->itemlen,
+ menu->width));
+}
/*---------------------------------------------------------------------------
| Facility : libnmenu
| Function : void _nc_Link_Item(MENU *menu)
|
-| Description : Statically calculate for every item its four neighbours.
+| Description : Statically calculate for every item its four neighbors.
| This depends on the orientation of the menu. This
-| static aproach simplifies navigation in the menu a lot.
+| static approach simplifies navigation in the menu a lot.
|
| Return Values : -
+--------------------------------------------------------------------------*/
NCURSES_EXPORT(void)
-_nc_Link_Items (MENU * menu)
+_nc_Link_Items(MENU * menu)
{
if (menu && menu->items && *(menu->items))
{
- int i,j;
+ int i, j;
ITEM *item;
int Number_Of_Items = menu->nitems;
int col = 0, row = 0;
int Last_in_Row;
int Last_in_Column;
bool cycle = (menu->opt & O_NONCYCLIC) ? FALSE : TRUE;
-
+
menu->status &= ~_LINK_NEEDED;
-
+
if (menu->opt & O_ROWMAJOR)
{
int Number_Of_Columns = menu->cols;
-
- for(i=0; i < Number_Of_Items; i++)
+
+ for (i = 0; i < Number_Of_Items; i++)
{
item = menu->items[i];
-
- Last_in_Row = row * Number_Of_Columns + (Number_Of_Columns-1);
-
- item->left = (col) ?
- /* if we are not in the leftmost column, we can use the
- predecessor in the items array */
- menu->items[i-1] :
- (cycle ? menu->items[(Last_in_Row>=Number_Of_Items) ?
- Number_Of_Items-1:
- Last_in_Row] :
- (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
- );
-
- Last_in_Column = (menu->rows-1) * Number_Of_Columns + col;
-
- item->up = (row) ? menu->items[i-Number_Of_Columns] :
- (cycle ? menu->items[(Last_in_Column>=Number_Of_Items) ?
- Number_Of_Items-1 :
- Last_in_Column] :
- (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);
+
+ Last_in_Row = row * Number_Of_Columns + (Number_Of_Columns - 1);
+
+ item->left = (col) ?
+ /* if we are not in the leftmost column, we can use the
+ predecessor in the items array */
+ menu->items[i - 1] :
+ (cycle ? menu->items[(Last_in_Row >= Number_Of_Items) ?
+ Number_Of_Items - 1 :
+ Last_in_Row] :
+ (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
+ );
+
+ Last_in_Column = (menu->rows - 1) * Number_Of_Columns + col;
+
+ item->up = (row) ? menu->items[i - Number_Of_Columns] :
+ (cycle ? menu->items[(Last_in_Column >= Number_Of_Items) ?
+ Number_Of_Items - 1 :
+ Last_in_Column] :
+ (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 = col;
item->y = row;
- if ( ++col == Number_Of_Columns )
+ if (++col == Number_Of_Columns)
{
row++;
col = 0;
else
{
int Number_Of_Rows = menu->rows;
-
- for(j=0; j<Number_Of_Items; j++)
+
+ for (j = 0; j < Number_Of_Items; j++)
{
- item = menu->items[i=(col * Number_Of_Rows + row)];
-
- Last_in_Column = (menu->cols-1) * Number_Of_Rows + row;
-
- item->left = (col) ?
+ item = menu->items[i = (col * Number_Of_Rows + row)];
+
+ Last_in_Column = (menu->cols - 1) * Number_Of_Rows + row;
+
+ item->left = (col) ?
menu->items[i - Number_Of_Rows] :
- (cycle ? (Last_in_Column >= Number_Of_Items ) ?
- menu->items[Last_in_Column-Number_Of_Rows] :
- menu->items[Last_in_Column] :
- (ITEM *)0 );
-
- item->right = ((i + Number_Of_Rows) <Number_Of_Items)
- ?
- menu->items[i + Number_Of_Rows] :
- (cycle ? menu->items[row] : (ITEM *)0);
-
+ (cycle ? (Last_in_Column >= Number_Of_Items) ?
+ menu->items[Last_in_Column - Number_Of_Rows] :
+ menu->items[Last_in_Column] :
+ (ITEM *) 0);
+
+ item->right = ((i + Number_Of_Rows) < Number_Of_Items)
+ ?
+ menu->items[i + Number_Of_Rows] :
+ (cycle ? menu->items[row] : (ITEM *) 0);
+
Last_in_Row = col * Number_Of_Rows + (Number_Of_Rows - 1);
-
- item->up = (row) ?
- menu->items[i-1] :
- (cycle ?
- menu->items[(Last_in_Row>=Number_Of_Items) ?
- Number_Of_Items-1:
- Last_in_Row] :
- (ITEM *)0);
-
- item->down = (row < (Number_Of_Rows-1))
- ?
- (menu->items[((i+1)<Number_Of_Items) ?
- i+1 :
- (col-1)*Number_Of_Rows + row + 1]) :
- (cycle ?
- menu->items[col * Number_Of_Rows] :
- (ITEM *)0
- );
-
+
+ item->up = (row) ?
+ menu->items[i - 1] :
+ (cycle ?
+ menu->items[(Last_in_Row >= Number_Of_Items) ?
+ Number_Of_Items - 1 :
+ Last_in_Row] :
+ (ITEM *) 0);
+
+ item->down = (row < (Number_Of_Rows - 1))
+ ?
+ (menu->items[((i + 1) < Number_Of_Items) ?
+ i + 1 :
+ (col - 1) * Number_Of_Rows + row + 1]) :
+ (cycle ?
+ menu->items[col * Number_Of_Rows] :
+ (ITEM *) 0
+ );
+
item->x = col;
item->y = row;
- if ( (++row) == Number_Of_Rows )
+ if ((++row) == Number_Of_Rows)
{
col++;
row = 0;
| Return Values : -
+--------------------------------------------------------------------------*/
NCURSES_EXPORT(void)
-_nc_Show_Menu (const MENU *menu)
+_nc_Show_Menu(const MENU * menu)
{
WINDOW *win;
int maxy, maxx;
-
+
assert(menu);
- if ( (menu->status & _POSTED) && !(menu->status & _IN_DRIVER) )
+ if ((menu->status & _POSTED) && !(menu->status & _IN_DRIVER))
{
/* adjust the internal subwindow to start on the current top */
assert(menu->sub);
- mvderwin(menu->sub,menu->spc_rows * menu->toprow,0);
+ mvderwin(menu->sub, menu->spc_rows * menu->toprow, 0);
win = Get_Menu_Window(menu);
-
+
maxy = getmaxy(win);
- maxx = getmaxx(win);
-
- if (menu->height < maxy)
+ maxx = getmaxx(win);
+
+ if (menu->height < maxy)
maxy = menu->height;
- if (menu->width < maxx)
+ if (menu->width < maxx)
maxx = menu->width;
-
- copywin(menu->sub,win,0,0,0,0,maxy-1,maxx-1,0);
+
+ copywin(menu->sub, win, 0, 0, 0, 0, maxy - 1, maxx - 1, 0);
pos_menu_cursor(menu);
- }
-}
+ }
+}
/*---------------------------------------------------------------------------
| Facility : libnmenu
| Return Values : -
+--------------------------------------------------------------------------*/
NCURSES_EXPORT(void)
-_nc_New_TopRow_and_CurrentItem
-(MENU *menu, int new_toprow, ITEM *new_current_item)
+ _nc_New_TopRow_and_CurrentItem
+ (MENU * menu, int new_toprow, ITEM * new_current_item)
{
ITEM *cur_item;
bool mterm_called = FALSE;
bool iterm_called = FALSE;
-
+
assert(menu);
if (menu->status & _POSTED)
{
if (new_current_item != menu->curitem)
{
- Call_Hook(menu,itemterm);
+ Call_Hook(menu, itemterm);
iterm_called = TRUE;
}
if (new_toprow != menu->toprow)
{
- Call_Hook(menu,menuterm);
+ Call_Hook(menu, menuterm);
mterm_called = TRUE;
- }
-
- cur_item = menu->curitem;
+ }
+
+ cur_item = menu->curitem;
assert(cur_item);
- menu->toprow = new_toprow;
- menu->curitem = new_current_item;
-
+ menu->toprow = new_toprow;
+ menu->curitem = new_current_item;
+
if (mterm_called)
{
- Call_Hook(menu,menuinit);
+ Call_Hook(menu, menuinit);
}
if (iterm_called)
{
/* this means, move from the old current_item to the new one... */
- Move_To_Current_Item( menu, cur_item );
- Call_Hook(menu,iteminit);
+ Move_To_Current_Item(menu, cur_item);
+ Call_Hook(menu, iteminit);
}
if (mterm_called || iterm_called)
{
pos_menu_cursor(menu);
}
else
- { /* if we are not posted, this is quite simple */
- menu->toprow = new_toprow;
+ { /* if we are not posted, this is quite simple */
+ menu->toprow = new_toprow;
menu->curitem = new_current_item;
}
}
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