/****************************************************************************
- * Copyright (c) 1998,2000 Free Software Foundation, Inc. *
+ * Copyright (c) 1998-2009,2010 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_driver.c,v 1.20 2003/10/25 14:54:48 tom Exp $")
+MODULE_ID("$Id: m_driver.c,v 1.29 2010/01/23 21:20:10 tom Exp $")
/* Macros */
| Return Values : TRUE - if it is a substring
| FALSE - if it is not a substring
+--------------------------------------------------------------------------*/
-static bool Is_Sub_String(
- bool IgnoreCaseFlag,
- const char *part,
- const char *string
- )
+static bool
+Is_Sub_String(
+ bool IgnoreCaseFlag,
+ const char *part,
+ const char *string
+)
{
- assert( part && string );
- if ( IgnoreCaseFlag )
+ assert(part && string);
+ if (IgnoreCaseFlag)
{
- while(*string && *part)
+ while (*string && *part)
{
- if (toupper(*string++)!=toupper(*part)) break;
+ if (toupper(UChar(*string++)) != toupper(UChar(*part)))
+ break;
part++;
}
}
else
{
- while( *string && *part )
- if (*part != *string++) break;
+ while (*string && *part)
+ if (*part != *string++)
+ break;
part++;
}
- return ( (*part) ? FALSE : TRUE );
+ return ((*part) ? FALSE : TRUE);
}
/*---------------------------------------------------------------------------
+--------------------------------------------------------------------------*/
NCURSES_EXPORT(int)
_nc_Match_Next_Character_In_Item_Name
-(MENU *menu, int ch, ITEM **item)
+(MENU * menu, int ch, ITEM ** item)
{
bool found = FALSE, passed = FALSE;
- int idx, last;
+ int idx, last;
+
+ T((T_CALLED("_nc_Match_Next_Character(%p,%d,%p)"),
+ (void *)menu, ch, (void *)item));
- assert( menu && item && *item);
+ assert(menu && item && *item);
idx = (*item)->index;
- if (ch && ch!=BS)
+ if (ch && ch != BS)
{
/* if we become to long, we need no further checking : there can't be
- a match ! */
- if ((menu->pindex+1) > menu->namelen)
+ a match ! */
+ if ((menu->pindex + 1) > menu->namelen)
RETURN(E_NO_MATCH);
- Add_Character_To_Pattern(menu,ch);
+ Add_Character_To_Pattern(menu, ch);
/* we artificially position one item back, because in the do...while
- loop we start with the next item. This means, that with a new
- pattern search we always start the scan with the actual item. If
- we do a NEXT_PATTERN oder PREV_PATTERN search, we start with the
- one after or before the actual item. */
+ loop we start with the next item. This means, that with a new
+ pattern search we always start the scan with the actual item. If
+ we do a NEXT_PATTERN oder PREV_PATTERN search, we start with the
+ one after or before the actual item. */
if (--idx < 0)
- idx = menu->nitems-1;
+ idx = menu->nitems - 1;
}
last = idx; /* this closes the cycle */
- do{
- if (ch==BS)
- { /* we have to go backward */
- if (--idx < 0)
- idx = menu->nitems-1;
- }
- else
- { /* otherwise we always go forward */
- if (++idx >= menu->nitems)
- idx = 0;
- }
- if (Is_Sub_String((menu->opt & O_IGNORECASE) != 0,
- menu->pattern,
- menu->items[idx]->name.str)
+ do
+ {
+ if (ch == BS)
+ { /* we have to go backward */
+ if (--idx < 0)
+ idx = menu->nitems - 1;
+ }
+ else
+ { /* otherwise we always go forward */
+ if (++idx >= menu->nitems)
+ idx = 0;
+ }
+ if (Is_Sub_String((bool)((menu->opt & O_IGNORECASE) != 0),
+ menu->pattern,
+ menu->items[idx]->name.str)
)
- found = TRUE;
- else
- passed = TRUE;
- } while (!found && (idx != last));
+ found = TRUE;
+ else
+ passed = TRUE;
+ }
+ while (!found && (idx != last));
if (found)
{
- if (!((idx==(*item)->index) && passed))
+ if (!((idx == (*item)->index) && passed))
{
*item = menu->items[idx];
RETURN(E_OK);
}
/* This point is reached, if we fully cycled through the item list
- and the only match we found is the starting item. With a NEXT_PATTERN
- or PREV_PATTERN scan this means, that there was no additional match.
- If we searched with an expanded new pattern, we should never reach
- this point, because if the expanded pattern matches also the actual
- item we will find it in the first attempt (passed==FALSE) and we
- will never cycle through the whole item array.
- */
- assert( ch==0 || ch==BS );
+ and the only match we found is the starting item. With a NEXT_PATTERN
+ or PREV_PATTERN scan this means, that there was no additional match.
+ If we searched with an expanded new pattern, we should never reach
+ this point, because if the expanded pattern matches also the actual
+ item we will find it in the first attempt (passed==FALSE) and we
+ will never cycle through the whole item array.
+ */
+ assert(ch == 0 || ch == BS);
}
else
{
- if (ch && ch!=BS && menu->pindex>0)
+ if (ch && ch != BS && menu->pindex > 0)
{
/* if we had no match with a new pattern, we have to restore it */
Remove_Character_From_Pattern(menu);
/*---------------------------------------------------------------------------
| Facility : libnmenu
-| Function : int menu_driver(MENU *menu, int c)
+| Function : int menu_driver(MENU* menu, int c)
|
| Description : Central dispatcher for the menu. Translates the logical
| request 'c' into a menu action.
| E_NOT_POSTED - menu is not posted
+--------------------------------------------------------------------------*/
NCURSES_EXPORT(int)
-menu_driver (MENU * menu, int c)
+menu_driver(MENU * menu, int c)
{
#define NAVIGATE(dir) \
if (!item->dir)\
ITEM *item;
int my_top_row, rdiff;
+ T((T_CALLED("menu_driver(%p,%d)"), (void *)menu, c));
+
if (!menu)
RETURN(E_BAD_ARGUMENT);
- if ( menu->status & _IN_DRIVER )
+ if (menu->status & _IN_DRIVER)
RETURN(E_BAD_STATE);
- if ( !( menu->status & _POSTED ) )
+ if (!(menu->status & _POSTED))
RETURN(E_NOT_POSTED);
item = menu->curitem;
- my_top_row = menu->toprow;
- assert(item);
-
- if ((c > KEY_MAX) && (c<=MAX_MENU_COMMAND))
- {
- if (!((c==REQ_BACK_PATTERN)
- || (c==REQ_NEXT_MATCH) || (c==REQ_PREV_MATCH)))
- {
- assert( menu->pattern );
- Reset_Pattern(menu);
- }
-
- switch(c)
- {
- case REQ_LEFT_ITEM:
+ my_top_row = menu->toprow;
+ assert(item);
+
+ if ((c > KEY_MAX) && (c <= MAX_MENU_COMMAND))
+ {
+ if (!((c == REQ_BACK_PATTERN)
+ || (c == REQ_NEXT_MATCH) || (c == REQ_PREV_MATCH)))
+ {
+ assert(menu->pattern);
+ Reset_Pattern(menu);
+ }
+
+ switch (c)
+ {
+ case REQ_LEFT_ITEM:
/*=================*/
- NAVIGATE(left);
- break;
+ NAVIGATE(left);
+ break;
- case REQ_RIGHT_ITEM:
+ case REQ_RIGHT_ITEM:
/*==================*/
- NAVIGATE(right);
- break;
+ NAVIGATE(right);
+ break;
- case REQ_UP_ITEM:
+ case REQ_UP_ITEM:
/*===============*/
- NAVIGATE(up);
- break;
+ NAVIGATE(up);
+ break;
- case REQ_DOWN_ITEM:
+ case REQ_DOWN_ITEM:
/*=================*/
- NAVIGATE(down);
- break;
+ NAVIGATE(down);
+ break;
- case REQ_SCR_ULINE:
+ case REQ_SCR_ULINE:
/*=================*/
if (my_top_row == 0 || !(item->up))
- result = E_REQUEST_DENIED;
- else
- {
- --my_top_row;
- item = item->up;
- }
- break;
-
- case REQ_SCR_DLINE:
+ result = E_REQUEST_DENIED;
+ else
+ {
+ --my_top_row;
+ item = item->up;
+ }
+ break;
+
+ case REQ_SCR_DLINE:
/*=================*/
if ((my_top_row + menu->arows >= menu->rows) || !(item->down))
- {
- /* only if the menu has less items than rows, we can deny the
- request. Otherwise the epilogue of this routine adjusts the
- top row if necessary */
- result = E_REQUEST_DENIED;
- }
- else {
- my_top_row++;
+ {
+ /* only if the menu has less items than rows, we can deny the
+ request. Otherwise the epilogue of this routine adjusts the
+ top row if necessary */
+ result = E_REQUEST_DENIED;
+ }
+ else
+ {
+ my_top_row++;
item = item->down;
- }
- break;
+ }
+ break;
- case REQ_SCR_DPAGE:
+ case REQ_SCR_DPAGE:
/*=================*/
rdiff = menu->rows - (menu->arows + my_top_row);
- if (rdiff > menu->arows)
- rdiff = menu->arows;
- if (rdiff<=0)
- result = E_REQUEST_DENIED;
- else
- {
- my_top_row += rdiff;
- while(rdiff-- > 0 && item!=(ITEM*)0)
- item = item->down;
- }
- break;
-
- case REQ_SCR_UPAGE:
+ if (rdiff > menu->arows)
+ rdiff = menu->arows;
+ if (rdiff <= 0)
+ result = E_REQUEST_DENIED;
+ else
+ {
+ my_top_row += rdiff;
+ while (rdiff-- > 0 && item != 0 && item->down != 0)
+ item = item->down;
+ }
+ break;
+
+ case REQ_SCR_UPAGE:
/*=================*/
rdiff = (menu->arows < my_top_row) ? menu->arows : my_top_row;
- if (rdiff<=0)
- result = E_REQUEST_DENIED;
- else
- {
- my_top_row -= rdiff;
- while(rdiff-- && item!=(ITEM*)0)
- item = item->up;
- }
- break;
+ if (rdiff <= 0)
+ result = E_REQUEST_DENIED;
+ else
+ {
+ my_top_row -= rdiff;
+ while (rdiff-- > 0 && item != 0 && item->up != 0)
+ item = item->up;
+ }
+ break;
- case REQ_FIRST_ITEM:
+ case REQ_FIRST_ITEM:
/*==================*/
- item = menu->items[0];
- break;
+ item = menu->items[0];
+ break;
- case REQ_LAST_ITEM:
+ case REQ_LAST_ITEM:
/*=================*/
- item = menu->items[menu->nitems-1];
- break;
+ item = menu->items[menu->nitems - 1];
+ break;
- case REQ_NEXT_ITEM:
+ case REQ_NEXT_ITEM:
/*=================*/
- if ((item->index+1)>=menu->nitems)
- {
- if (menu->opt & O_NONCYCLIC)
- result = E_REQUEST_DENIED;
- else
- item = menu->items[0];
- }
- else
- item = menu->items[item->index + 1];
- break;
-
- case REQ_PREV_ITEM:
+ if ((item->index + 1) >= menu->nitems)
+ {
+ if (menu->opt & O_NONCYCLIC)
+ result = E_REQUEST_DENIED;
+ else
+ item = menu->items[0];
+ }
+ else
+ item = menu->items[item->index + 1];
+ break;
+
+ case REQ_PREV_ITEM:
/*=================*/
- if (item->index<=0)
- {
- if (menu->opt & O_NONCYCLIC)
- result = E_REQUEST_DENIED;
- else
- item = menu->items[menu->nitems-1];
- }
- else
- item = menu->items[item->index - 1];
- break;
-
- case REQ_TOGGLE_ITEM:
- /*===================*/
- if (menu->opt & O_ONEVALUE)
- {
+ if (item->index <= 0)
+ {
+ if (menu->opt & O_NONCYCLIC)
result = E_REQUEST_DENIED;
- }
- else
- {
- if (menu->curitem->opt & O_SELECTABLE)
- {
- menu->curitem->value = !menu->curitem->value;
- Move_And_Post_Item(menu,menu->curitem);
- _nc_Show_Menu(menu);
- }
- else
- result = E_NOT_SELECTABLE;
- }
- break;
-
- case REQ_CLEAR_PATTERN:
+ else
+ item = menu->items[menu->nitems - 1];
+ }
+ else
+ item = menu->items[item->index - 1];
+ break;
+
+ case REQ_TOGGLE_ITEM:
+ /*===================*/
+ if (menu->opt & O_ONEVALUE)
+ {
+ result = E_REQUEST_DENIED;
+ }
+ else
+ {
+ if (menu->curitem->opt & O_SELECTABLE)
+ {
+ menu->curitem->value = !menu->curitem->value;
+ Move_And_Post_Item(menu, menu->curitem);
+ _nc_Show_Menu(menu);
+ }
+ else
+ result = E_NOT_SELECTABLE;
+ }
+ break;
+
+ case REQ_CLEAR_PATTERN:
/*=====================*/
- /* already cleared in prologue */
- break;
+ /* already cleared in prologue */
+ break;
- case REQ_BACK_PATTERN:
+ case REQ_BACK_PATTERN:
/*====================*/
- if (menu->pindex>0)
- {
- assert(menu->pattern);
- Remove_Character_From_Pattern(menu);
- pos_menu_cursor( menu );
- }
- else
- result = E_REQUEST_DENIED;
- break;
-
- case REQ_NEXT_MATCH:
+ if (menu->pindex > 0)
+ {
+ assert(menu->pattern);
+ Remove_Character_From_Pattern(menu);
+ pos_menu_cursor(menu);
+ }
+ else
+ result = E_REQUEST_DENIED;
+ break;
+
+ case REQ_NEXT_MATCH:
/*==================*/
- assert(menu->pattern);
- if (menu->pattern[0])
- result = _nc_Match_Next_Character_In_Item_Name(menu,0,&item);
- else
- {
- if ((item->index+1)<menu->nitems)
- item=menu->items[item->index+1];
- else
- {
- if (menu->opt & O_NONCYCLIC)
- result = E_REQUEST_DENIED;
- else
- item = menu->items[0];
- }
- }
- break;
-
- case REQ_PREV_MATCH:
+ assert(menu->pattern);
+ if (menu->pattern[0])
+ result = _nc_Match_Next_Character_In_Item_Name(menu, 0, &item);
+ else
+ {
+ if ((item->index + 1) < menu->nitems)
+ item = menu->items[item->index + 1];
+ else
+ {
+ if (menu->opt & O_NONCYCLIC)
+ result = E_REQUEST_DENIED;
+ else
+ item = menu->items[0];
+ }
+ }
+ break;
+
+ case REQ_PREV_MATCH:
/*==================*/
- assert(menu->pattern);
- if (menu->pattern[0])
- result = _nc_Match_Next_Character_In_Item_Name(menu,BS,&item);
- else
- {
- if (item->index)
- item = menu->items[item->index-1];
- else
- {
- if (menu->opt & O_NONCYCLIC)
- result = E_REQUEST_DENIED;
- else
- item = menu->items[menu->nitems-1];
- }
- }
- break;
-
- default:
+ assert(menu->pattern);
+ if (menu->pattern[0])
+ result = _nc_Match_Next_Character_In_Item_Name(menu, BS, &item);
+ else
+ {
+ if (item->index)
+ item = menu->items[item->index - 1];
+ else
+ {
+ if (menu->opt & O_NONCYCLIC)
+ result = E_REQUEST_DENIED;
+ else
+ item = menu->items[menu->nitems - 1];
+ }
+ }
+ break;
+
+ default:
/*======*/
- result = E_UNKNOWN_COMMAND;
- break;
- }
- }
- else
- { /* not a command */
- if ( !(c & ~((int)MAX_REGULAR_CHARACTER)) && isprint(c) )
- result = _nc_Match_Next_Character_In_Item_Name( menu, c, &item );
+ result = E_UNKNOWN_COMMAND;
+ break;
+ }
+ }
+ else
+ { /* not a command */
+ if (!(c & ~((int)MAX_REGULAR_CHARACTER)) && isprint(UChar(c)))
+ result = _nc_Match_Next_Character_In_Item_Name(menu, c, &item);
#ifdef NCURSES_MOUSE_VERSION
- else if (KEY_MOUSE == c)
- {
- MEVENT event;
- WINDOW* uwin = Get_Menu_UserWin(menu);
-
- getmouse(&event);
- if ((event.bstate & (BUTTON1_CLICKED |
- BUTTON1_DOUBLE_CLICKED |
- BUTTON1_TRIPLE_CLICKED ))
- && wenclose(uwin,event.y, event.x))
- { /* we react only if the click was in the userwin, that means
- * inside the menu display area or at the decoration window.
- */
- WINDOW* sub = Get_Menu_Window(menu);
- int ry = event.y, rx = event.x; /* screen coordinates */
+ else if (KEY_MOUSE == c)
+ {
+ MEVENT event;
+ WINDOW *uwin = Get_Menu_UserWin(menu);
+
+ getmouse(&event);
+ if ((event.bstate & (BUTTON1_CLICKED |
+ BUTTON1_DOUBLE_CLICKED |
+ BUTTON1_TRIPLE_CLICKED))
+ && wenclose(uwin, event.y, event.x))
+ { /* we react only if the click was in the userwin, that means
+ * inside the menu display area or at the decoration window.
+ */
+ WINDOW *sub = Get_Menu_Window(menu);
+ int ry = event.y, rx = event.x; /* screen coordinates */
- result = E_REQUEST_DENIED;
- if (mouse_trafo(&ry,&rx,FALSE))
- { /* rx, ry are now "curses" coordinates */
- if (ry < sub->_begy)
- { /* we clicked above the display region; this is
- * interpreted as "scroll up" request
- */
- if (event.bstate & BUTTON1_CLICKED)
- result = menu_driver(menu,REQ_SCR_ULINE);
- else if (event.bstate & BUTTON1_DOUBLE_CLICKED)
- result = menu_driver(menu,REQ_SCR_UPAGE);
- else if (event.bstate & BUTTON1_TRIPLE_CLICKED)
- result = menu_driver(menu,REQ_FIRST_ITEM);
- RETURN(result);
- }
- else if (ry >= sub->_begy + sub->_maxy)
- { /* we clicked below the display region; this is
- * interpreted as "scroll down" request
- */
- if (event.bstate & BUTTON1_CLICKED)
- result = menu_driver(menu,REQ_SCR_DLINE);
- else if (event.bstate & BUTTON1_DOUBLE_CLICKED)
- result = menu_driver(menu,REQ_SCR_DPAGE);
- else if (event.bstate & BUTTON1_TRIPLE_CLICKED)
- result = menu_driver(menu,REQ_LAST_ITEM);
- RETURN(result);
- }
- else if (wenclose(sub,event.y,event.x))
- { /* Inside the area we try to find the hit item */
- int i,x,y,err;
- ry = event.y; rx = event.x;
- if (wmouse_trafo(sub,&ry,&rx,FALSE))
- {
- for(i=0;i<menu->nitems;i++)
- {
- err = _nc_menu_cursor_pos(menu,menu->items[i],
- &y, &x);
- if (E_OK==err)
- {
- if ((ry==y) &&
- (rx>=x) &&
- (rx < x + menu->itemlen))
- {
- item = menu->items[i];
- result = E_OK;
- break;
- }
- }
- }
- if (E_OK==result)
- { /* We found an item, now we can handle the click.
+ result = E_REQUEST_DENIED;
+ if (mouse_trafo(&ry, &rx, FALSE))
+ { /* rx, ry are now "curses" coordinates */
+ if (ry < sub->_begy)
+ { /* we clicked above the display region; this is
+ * interpreted as "scroll up" request
+ */
+ if (event.bstate & BUTTON1_CLICKED)
+ result = menu_driver(menu, REQ_SCR_ULINE);
+ else if (event.bstate & BUTTON1_DOUBLE_CLICKED)
+ result = menu_driver(menu, REQ_SCR_UPAGE);
+ else if (event.bstate & BUTTON1_TRIPLE_CLICKED)
+ result = menu_driver(menu, REQ_FIRST_ITEM);
+ RETURN(result);
+ }
+ else if (ry > sub->_begy + sub->_maxy)
+ { /* we clicked below the display region; this is
+ * interpreted as "scroll down" request
+ */
+ if (event.bstate & BUTTON1_CLICKED)
+ result = menu_driver(menu, REQ_SCR_DLINE);
+ else if (event.bstate & BUTTON1_DOUBLE_CLICKED)
+ result = menu_driver(menu, REQ_SCR_DPAGE);
+ else if (event.bstate & BUTTON1_TRIPLE_CLICKED)
+ result = menu_driver(menu, REQ_LAST_ITEM);
+ RETURN(result);
+ }
+ else if (wenclose(sub, event.y, event.x))
+ { /* Inside the area we try to find the hit item */
+ int i, x, y, err;
+
+ ry = event.y;
+ rx = event.x;
+ if (wmouse_trafo(sub, &ry, &rx, FALSE))
+ {
+ for (i = 0; i < menu->nitems; i++)
+ {
+ err = _nc_menu_cursor_pos(menu, menu->items[i],
+ &y, &x);
+ if (E_OK == err)
+ {
+ if ((ry == y) &&
+ (rx >= x) &&
+ (rx < x + menu->itemlen))
+ {
+ item = menu->items[i];
+ result = E_OK;
+ break;
+ }
+ }
+ }
+ if (E_OK == result)
+ { /* We found an item, now we can handle the click.
* A single click just positions the menu cursor
* to the clicked item. A double click toggles
* the item.
*/
- if (event.bstate & BUTTON1_DOUBLE_CLICKED)
- {
- _nc_New_TopRow_and_CurrentItem(menu,
- my_top_row,
- item);
- menu_driver(menu,REQ_TOGGLE_ITEM);
- result = E_UNKNOWN_COMMAND;
- }
- }
- }
- }
- }
- }
- else
- result = E_REQUEST_DENIED;
- }
+ if (event.bstate & BUTTON1_DOUBLE_CLICKED)
+ {
+ _nc_New_TopRow_and_CurrentItem(menu,
+ my_top_row,
+ item);
+ menu_driver(menu, REQ_TOGGLE_ITEM);
+ result = E_UNKNOWN_COMMAND;
+ }
+ }
+ }
+ }
+ }
+ }
+ else
+ result = E_REQUEST_DENIED;
+ }
#endif /* NCURSES_MOUSE_VERSION */
- else
- result = E_UNKNOWN_COMMAND;
- }
+ else
+ result = E_UNKNOWN_COMMAND;
+ }
- if (E_OK==result)
+ if (E_OK == result)
{
- /* Adjust the top row if it turns out that the current item unfortunately
- doesn't appear in the menu window */
- if ( item->y < my_top_row )
- my_top_row = item->y;
- else if ( item->y >= (my_top_row + menu->arows) )
- my_top_row = item->y - menu->arows + 1;
-
- _nc_New_TopRow_and_CurrentItem( menu, my_top_row, item );
+ /* Adjust the top row if it turns out that the current item unfortunately
+ doesn't appear in the menu window */
+ if (item->y < my_top_row)
+ my_top_row = item->y;
+ else if (item->y >= (my_top_row + menu->arows))
+ my_top_row = item->y - menu->arows + 1;
+
+ _nc_New_TopRow_and_CurrentItem(menu, my_top_row, item);
}
projects / ncurses.git / blobdiff