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Diffstat (limited to 'contrib/ncurses/menu/m_global.c')
-rw-r--r-- | contrib/ncurses/menu/m_global.c | 596 |
1 files changed, 0 insertions, 596 deletions
diff --git a/contrib/ncurses/menu/m_global.c b/contrib/ncurses/menu/m_global.c deleted file mode 100644 index 28e836d..0000000 --- a/contrib/ncurses/menu/m_global.c +++ /dev/null @@ -1,596 +0,0 @@ -/**************************************************************************** - * 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 * - * "Software"), to deal in the Software without restriction, including * - * without limitation the rights to use, copy, modify, merge, publish, * - * distribute, distribute with modifications, sublicense, and/or sell * - * copies of the Software, and to permit persons to whom the Software is * - * furnished to do so, subject to the following conditions: * - * * - * The above copyright notice and this permission notice shall be included * - * in all copies or substantial portions of the Software. * - * * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * - * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * - * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * - * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * - * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * - * * - * Except as contained in this notice, the name(s) of the above copyright * - * holders shall not be used in advertising or otherwise to promote the * - * sale, use or other dealings in this Software without prior written * - * authorization. * - ****************************************************************************/ - -/**************************************************************************** - * Author: Juergen Pfeifer, 1995,1997 * - ****************************************************************************/ - -/*************************************************************************** -* Module m_global * -* Globally used internal routines and the default menu and item structures * -***************************************************************************/ - -#include "menu.priv.h" - -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 */ - 16, /* Nr. of items high */ - 1, /* Nr. of items wide */ - 16, /* Nr. of formatted items high */ - 1, /* Nr. of formatted items wide */ - 16, /* Nr. of items high (actual) */ - 0, /* length of widest name */ - 0, /* length of widest description */ - 1, /* length of mark */ - 1, /* length of one item */ - 1, /* Spacing for descriptor */ - 1, /* Spacing for columns */ - 1, /* Spacing for rows */ - (char *)0, /* buffer used to store match chars */ - 0, /* Index into pattern buffer */ - (WINDOW *)0, /* Window containing entire menu */ - (WINDOW *)0, /* Portion of menu displayed */ - (WINDOW *)0, /* User's window */ - (WINDOW *)0, /* User's subwindow */ - (ITEM **)0, /* List of items */ - 0, /* Total Nr. of items in menu */ - (ITEM *)0, /* Current item */ - 0, /* Top row of menu */ - (chtype)A_REVERSE, /* Attribute for selection */ - (chtype)A_NORMAL, /* Attribute for nonselection */ - (chtype)A_UNDERLINE, /* Attribute for inactive */ - ' ', /* Pad character */ - (Menu_Hook)0, /* Menu init */ - (Menu_Hook)0, /* Menu term */ - (Menu_Hook)0, /* Item init */ - (Menu_Hook)0, /* Item term */ - (void *)0, /* userptr */ - mark, /* mark */ - ALL_MENU_OPTS, /* options */ - 0 /* status */ -}; - -NCURSES_EXPORT_VAR(ITEM) _nc_Default_Item = { - { (char *)0, 0 }, /* name */ - { (char *)0, 0 }, /* description */ - (MENU *)0, /* Pointer to parent menu */ - (char *)0, /* Userpointer */ - ALL_ITEM_OPTS, /* options */ - 0, /* Item Nr. */ - 0, /* y */ - 0, /* x */ - FALSE, /* value */ - (ITEM *)0, /* left */ - (ITEM *)0, /* right */ - (ITEM *)0, /* up */ - (ITEM *)0 /* down */ - }; -/* *INDENT-ON* */ - -/*--------------------------------------------------------------------------- -| 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) -{ - unsigned MaximumNameLength = 0; - unsigned MaximumDescriptionLength = 0; - ITEM **items; - unsigned check; - - assert(menu && menu->items); - for (items = menu->items; *items; items++) - { - 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)); -} - -/*--------------------------------------------------------------------------- -| Facility : libnmenu -| Function : static void ResetConnectionInfo(MENU *, ITEM **) -| -| Description : Reset all informations 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) -{ - ITEM **item; - - assert(menu && items); - for (item = items; *item; item++) - { - (*item)->index = 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; -} - -/*--------------------------------------------------------------------------- -| Facility : libnmenu -| Function : bool _nc_Connect_Items(MENU *menu, ITEM **items) -| -| Description : Connect the items in the item array to the menu. -| Decorate all the items with a number and a backward -| pointer to the menu. -| -| Return Values : TRUE - successful connection -| FALSE - connection failed -+--------------------------------------------------------------------------*/ -NCURSES_EXPORT(bool) -_nc_Connect_Items(MENU * menu, ITEM ** items) -{ - ITEM **item; - unsigned int ItemCount = 0; - - if (menu && items) - { - for (item = items; *item; item++) - { - if ((*item)->imenu) - { - /* if a item is already connected, reject connection */ - break; - } - } - if (!(*item)) - /* we reached the end, so there was no connected item */ - { - for (item = items; *item; item++) - { - if (menu->opt & O_ONEVALUE) - { - (*item)->value = FALSE; - } - (*item)->index = ItemCount++; - (*item)->imenu = menu; - } - } - } - else - return (FALSE); - - if (ItemCount != 0) - { - menu->items = items; - menu->nitems = ItemCount; - ComputeMaximum_NameDesc_Lengths(menu); - if ((menu->pattern = typeMalloc(char, (unsigned)(1 + menu->namelen)))) - { - Reset_Pattern(menu); - set_menu_format(menu, menu->frows, menu->fcols); - menu->curitem = *items; - menu->toprow = 0; - 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); -} - -/*--------------------------------------------------------------------------- -| 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) -{ - if (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 -| 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) -{ - int l; - - assert(menu); - - 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; - } - - menu->itemlen = l; - l *= menu->cols; - 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 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) -{ - if (menu && menu->items && *(menu->items)) - { - 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++) - { - 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); - item->x = col; - item->y = row; - if (++col == Number_Of_Columns) - { - row++; - col = 0; - } - } - } - else - { - int Number_Of_Rows = menu->rows; - - 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) ? - 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); - - 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->x = col; - item->y = row; - if ((++row) == Number_Of_Rows) - { - col++; - row = 0; - } - } - } - } -} - -/*--------------------------------------------------------------------------- -| 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) -{ - WINDOW *win; - int maxy, maxx; - - assert(menu); - 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); - win = Get_Menu_Window(menu); - - maxy = getmaxy(win); - maxx = getmaxx(win); - - if (menu->height < maxy) - maxy = menu->height; - if (menu->width < maxx) - maxx = menu->width; - - copywin(menu->sub, win, 0, 0, 0, 0, maxy - 1, maxx - 1, 0); - pos_menu_cursor(menu); - } -} - -/*--------------------------------------------------------------------------- -| Facility : libnmenu -| Function : void _nc_New_TopRow_and_CurrentItem( -| 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) - _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); - iterm_called = TRUE; - } - if (new_toprow != menu->toprow) - { - Call_Hook(menu, menuterm); - mterm_called = TRUE; - } - - cur_item = menu->curitem; - assert(cur_item); - menu->toprow = new_toprow; - menu->curitem = new_current_item; - - if (mterm_called) - { - 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); - } - if (mterm_called || iterm_called) - { - _nc_Show_Menu(menu); - } - else - pos_menu_cursor(menu); - } - else - { /* if we are not posted, this is quite simple */ - menu->toprow = new_toprow; - menu->curitem = new_current_item; - } -} - -/* m_global.c ends here */ |