File syn_menu.c

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Menu system implementation.

• #include "../util/syn_assert.h"
• #include "syn_menu.h"
• #include <string.h>

Public Functions

Type	Name
void	syn_menu_back (SYN_Menu * menu) Back: leave submenu or exit edit mode.
void	syn_menu_down (SYN_Menu * menu) Move selection down. In edit mode: decrement value.
void	syn_menu_enter (SYN_Menu * menu) Enter: navigate into submenu, toggle, start editing, or fire callback.
void	syn_menu_init (SYN_Menu * menu, const SYN_MenuItem * root, SYN_MenuRenderFn render, void * ctx) Initialize menu system.
void	syn_menu_render (const SYN_Menu * menu) Force a render (e.g. after external state change).
void	syn_menu_up (SYN_Menu * menu) Move selection up. In edit mode: increment value.

Public Functions Documentation

function syn_menu_back

Back: leave submenu or exit edit mode.

void syn_menu_back (
    SYN_Menu * menu
) 

Parameters:

• menu Menu state.

---

function syn_menu_down

Move selection down. In edit mode: decrement value.

void syn_menu_down (
    SYN_Menu * menu
) 

Parameters:

• menu Menu state.

---

function syn_menu_enter

Enter: navigate into submenu, toggle, start editing, or fire callback.

void syn_menu_enter (
    SYN_Menu * menu
) 

Parameters:

• menu Menu state.

---

function syn_menu_init

Initialize menu system.

void syn_menu_init (
    SYN_Menu * menu,
    const SYN_MenuItem * root,
    SYN_MenuRenderFn render,
    void * ctx
) 

Parameters:

• menu Menu state.
• root Root menu item (should be a SUBMENU).
• render Render callback (called after each navigation action).
• ctx Context for render callback.

---

function syn_menu_render

Force a render (e.g. after external state change).

void syn_menu_render (
    const SYN_Menu * menu
) 

Parameters:

• menu Menu state.

---

function syn_menu_up

Move selection up. In edit mode: increment value.

void syn_menu_up (
    SYN_Menu * menu
) 

Parameters:

• menu Menu state.

---

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The documentation for this class was generated from the following file src/syntropic/ui/syn_menu.c