diff options
Diffstat (limited to 'ncurses-5.2/menu/m_global.c')
| -rw-r--r-- | ncurses-5.2/menu/m_global.c | 483 |
1 files changed, 0 insertions, 483 deletions
diff --git a/ncurses-5.2/menu/m_global.c b/ncurses-5.2/menu/m_global.c deleted file mode 100644 index 8287207..0000000 --- a/ncurses-5.2/menu/m_global.c +++ /dev/null @@ -1,483 +0,0 @@ -/**************************************************************************** - * Copyright (c) 1998 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 <juergen.pfeifer@gmx.net> 1995,1997 * - ****************************************************************************/ - -/*************************************************************************** -* Module m_global * -* Globally used internal routines and the default menu and item structures * -***************************************************************************/ - -#include "menu.priv.h" - -MODULE_ID("$Id$") - -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 */ - ALL_MENU_OPTS, /* options */ - 0 /* status */ -}; - -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 */ - }; - -/*--------------------------------------------------------------------------- -| 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 : - -+--------------------------------------------------------------------------*/ -INLINE static void ComputeMaximum_NameDesc_Lengths(MENU * menu) -{ - unsigned MaximumNameLength = 0; - unsigned MaximumDescriptionLength = 0; - ITEM **items; - - assert(menu && menu->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; - } - - menu->namelen = MaximumNameLength; - menu->desclen = MaximumDescriptionLength; -} - -/*--------------------------------------------------------------------------- -| 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 : - -+--------------------------------------------------------------------------*/ -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 - successfull connection -| FALSE - connection failed -+--------------------------------------------------------------------------*/ -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 = (char *)malloc( (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 : - -+--------------------------------------------------------------------------*/ -void _nc_Disconnect_Items(MENU * menu) -{ - if (menu && menu->items) - ResetConnectionInfo( menu, menu->items ); -} - -/*--------------------------------------------------------------------------- -| 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 : - -+--------------------------------------------------------------------------*/ -void _nc_Calculate_Item_Length_and_Width(MENU * menu) -{ - int l; - - assert(menu); - - menu->height = 1 + menu->spc_rows * (menu->arows - 1); - - 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 */ - menu->width = l; -} - -/*--------------------------------------------------------------------------- -| Facility : libnmenu -| Function : void _nc_Link_Item(MENU *menu) -| -| Description : Statically calculate for every item its four neighbours. -| This depends on the orientation of the menu. This -| static aproach simplifies navigation in the menu a lot. -| -| Return Values : - -+--------------------------------------------------------------------------*/ -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 : - -+--------------------------------------------------------------------------*/ -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 : - -+--------------------------------------------------------------------------*/ -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 */ |