111 lines
2.9 KiB
C
111 lines
2.9 KiB
C
//
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// Created by william on 8/23/24.
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//
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#ifndef NES_EMULATOR_WINDOW_MENU_H
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#define NES_EMULATOR_WINDOW_MENU_H
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#include "window.h"
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#include "linked_list.h"
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#include "component.h"
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#define MENU_HEIGHT 24
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#define MENU_VISIBLE_HEIGHT 64;
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#define MENU_BACKGROUND_COLOR 0xff353535
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#define MENU_HIGHLIGHT_COLOR 0xff4d4d4d
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#define MENU_TEXT_COLOR {0xff, 0xff, 0xff}
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#define MENU_ITEM_MARGIN_X 20
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#define MENU_ITEM_MARGIN_Y 4
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typedef void (*on_click_callback)();
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typedef struct menu_item_component {
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char *label;
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on_click_callback on_click;
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bool is_highlighted;
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LinkedList sub_items;
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SDL_Texture *label_texture;
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SDL_Rect draw_rect;
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SDL_Rect collision_rect;
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} MenuItemComponent;
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typedef struct menu_component {
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int window_width;
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bool visible;
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LinkedList items;
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MenuItemComponent *highlight_item;
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SDL_Renderer *renderer;
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TTF_Font *font;
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SDL_Texture *background_texture;
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SDL_Texture *highlight_texture;
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} MenuComponent;
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/**
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* Creates a menu fow a window.
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* @param window A reference to the window
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* @param font A reference to the TTF font to use to render text
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* @return A reference to the menu component
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*/
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MenuComponent *menu_create(Window *window, TTF_Font *font);
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/**
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* Creates a menu item. Can be configured with a callback function which will be called when the menu item is clicked.
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* Note that the callback function will be overridden if the menu item has sub items.
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* @param label The label of the menu item
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* @param on_click The callback function to call when clicked
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* @return A reference to the menu item
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*/
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MenuItemComponent *menu_item_create(char *label, on_click_callback on_click);
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/**
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* Adds an item to a menu.
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* @param menu A reference to the menu
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* @param menu_item A reference to the menu item to add to the menu
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*/
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void menu_append(MenuComponent *menu, MenuItemComponent *menu_item);
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/**
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* Adds an sub-item to a menu item.
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* Note that this will have the effect of preventing the callback to be called.
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* @param menu_item A reference to the menu item
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* @param sub_item A reference to the sub item to add to the menu item
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*/
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void menu_item_append(MenuItemComponent *menu_item, MenuItemComponent *sub_item);
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/**
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* Builds the ressources needed for a menu to be displayed. (ex: textures)
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* @param menu The menu to build
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*/
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void menu_build(MenuComponent *menu);
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/**
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* Renders a menu to its window.
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* @param menu A reference to the menu to render
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*/
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void menu_render(MenuComponent *menu);
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/**
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* Destroys a menu, freeing its memory.
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* @param menu A reference to the menu to destroy
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*/
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void menu_destroy(MenuComponent *menu);
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/**
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* Destroys a menu item to free its memory.
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* @param menu_item A reference to the menu item to destroy
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*/
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void menu_item_destroy(MenuItemComponent *menu_item);
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/**
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* Returns a menu as a component.
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* @param menu The menu
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* @return
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*/
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Component *menu_as_component(MenuComponent *menu);
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#endif //NES_EMULATOR_WINDOW_MENU_H
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