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/*
* BRLTTY - A background process providing access to the console screen (when in
* text mode) for a blind person using a refreshable braille display.
*
* Copyright (C) 1995-2014 by The BRLTTY Developers.
*
* BRLTTY comes with ABSOLUTELY NO WARRANTY.
*
* This is free software, placed under the terms of the
* GNU General Public License, as published by the Free Software
* Foundation; either version 2 of the License, or (at your option) any
* later version. Please see the file LICENSE-GPL for details.
*
* Web Page: http://mielke.cc/brltty/
*
* This software is maintained by Dave Mielke <dave@mielke.cc>.
*/
#ifndef BRLTTY_INCLUDED_MENU
#define BRLTTY_INCLUDED_MENU
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
typedef struct MenuStruct Menu;
typedef struct MenuItemStruct MenuItem;
typedef struct {
const char *label;
const char *comment;
} MenuString;
extern Menu *newMenu (void);
extern void destroyMenu (Menu *menu);
extern MenuItem *newTextMenuItem (Menu *menu, const MenuString *name, const char *text);
extern MenuItem *newNumericMenuItem (
Menu *menu, unsigned char *setting, const MenuString *name,
unsigned char minimum, unsigned char maximum, unsigned char divisor,
const char *unit
);
extern MenuItem *newStringsMenuItem (
Menu *menu, unsigned char *setting, const MenuString *name,
const MenuString *strings, unsigned char count
);
#define newEnumeratedMenuItem(menu, setting, name, strings) newStringsMenuItem(menu, setting, name, strings, ARRAY_COUNT(strings))
extern MenuItem *newBooleanMenuItem (Menu *menu, unsigned char *setting, const MenuString *name);
extern MenuItem *newFilesMenuItem (
Menu *menu, const MenuString *name,
const char *directory, const char *subdirectory, const char *extension,
const char *initial, int none
);
typedef void MenuToolFunction (void);
extern MenuItem *newToolMenuItem (Menu *menu, const MenuString *name, MenuToolFunction *function);
extern Menu *newSubmenuMenuItem (
Menu *menu, const MenuString *name
);
typedef int MenuItemTester (void);
extern void setMenuItemTester (MenuItem *item, MenuItemTester *handler);
typedef int MenuItemChanged (const MenuItem *item, unsigned char setting);
extern void setMenuItemChanged (MenuItem *item, MenuItemChanged *handler);
extern unsigned int getMenuNumber (const Menu *menu);
extern Menu *getMenuParent (const Menu *menu);
extern unsigned int getMenuSize (const Menu *menu);
extern unsigned int getMenuIndex (const Menu *menu);
extern MenuItem *getMenuItem (Menu *menu, unsigned int index);
extern int isMenuItemSettable (const MenuItem *item);
extern int isMenuItemVisible (const MenuItem *item);
extern Menu *getMenuItemMenu (const MenuItem *item);
extern unsigned int getMenuItemIndex (const MenuItem *item);
extern const char *getMenuItemTitle (const MenuItem *item);
extern const char *getMenuItemSubtitle (const MenuItem *item);
extern const char *getMenuItemValue (const MenuItem *item);
extern const char *getMenuItemText (const MenuItem *item);
extern const char *getMenuItemComment (const MenuItem *item);
extern void changeMenuItem (MenuItem *item);
extern int changeMenuItemPrevious (Menu *menu, int wrap);
extern int changeMenuItemNext (Menu *menu, int wrap);
extern int changeMenuItemFirst (Menu *menu);
extern int changeMenuItemLast (Menu *menu);
extern int changeMenuItemIndex (Menu *menu, unsigned int index);
extern int changeMenuSettingPrevious (Menu *menu, int wrap);
extern int changeMenuSettingNext (Menu *menu, int wrap);
extern int changeMenuSettingScaled (Menu *menu, unsigned int index, unsigned int count);
extern MenuItem *getCurrentMenuItem (Menu *menu);
extern Menu *getCurrentSubmenu (Menu *menu);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* BRLTTY_INCLUDED_MENU */
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