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42 lines
903 B
42 lines
903 B
/**
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* TODO file description
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*
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* Created on 2020/01/05.
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*/
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#ifndef REFLOWER_SCENE_MENU_H
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#define REFLOWER_SCENE_MENU_H
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#include <stdint.h>
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#include <stddef.h>
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#define MENUITEM_LABEL_LEN 30
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struct MenuItem {
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char label[MENUITEM_LABEL_LEN];
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uint32_t tag;
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};
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struct MenuScene;
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typedef struct SceneEvent (*MenuScene_onSelect_t)(struct MenuScene *scene);
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struct MenuScene {
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struct Scene base;
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// items array
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struct MenuItem *items;
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// items count
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size_t items_len;
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// Vertical scroll offset (how many steps is the topmost item moved above the screen)
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int32_t scroll_up;
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// Selected item number
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int32_t selected;
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// selection handler
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MenuScene_onSelect_t onSelect;
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// Extra field for the instance's private use.
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void *private;
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};
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struct MenuScene *NewScene_Menu(struct MenuItem *items, size_t items_len);
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#endif //REFLOWER_SCENE_MENU_H
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