46 lines
1018 B
C
46 lines
1018 B
C
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//---
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// gintctl:menu - Interactive list menus
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//---
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#ifndef GINTCTL_MENU
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#define GINTCTL_MENU
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#include <stddef.h>
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#include <gint/keycodes.h>
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/* struct menuentry: Selectable list element */
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struct menuentry {
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char const *name;
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void (*function)(void);
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};
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struct menu {
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char const *name;
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int len;
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int offset;
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int pos;
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int visible;
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struct menuentry entries[];
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};
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/* menu_init(): Initialize a menu list
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@menu Any list menu, even unitialized
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@visible Number of lines that can be shown simultaneously */
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void menu_init(struct menu *menu, int visible);
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/* menu_move(): Move the cursor in a menu
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@menu Initialized list menu
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@key Either KEY_UP, indicating up, or KEY_DOWN indicating down
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@wrap Allow wrap-around */
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void menu_move(struct menu *menu, int key, int wrap);
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/* menu_show(): Render a list menu */
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void menu_show(struct menu const *menu);
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/* menu_exec(): Execute the currently-selected function of a menu */
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void menu_exec(struct menu const *menu);
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#endif /* GINTCTL_MENU */
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