Files
pihkaal-me/app/composables/useButtonNavigation.ts

130 lines
3.3 KiB
TypeScript

export type ButtonConfig = [x: number, y: number, w: number, h: number];
export const useButtonNavigation = <T extends Record<string, ButtonConfig>>({
buttons,
initialButton,
onButtonClick,
navigation,
}: {
buttons: T;
initialButton: keyof T;
onButtonClick?: (buttonName: keyof T) => void;
navigation: Record<
keyof T,
{
up?: keyof T | "last";
down?: keyof T | "last";
left?: keyof T;
right?: keyof T;
horizontalMode?: "navigate" | "preview";
}
>;
}) => {
const selectedButton = ref(initialButton);
const selectorPosition = computed(() => buttons[selectedButton.value]!);
const nextButton = ref<keyof T | undefined>();
useScreenClick((x: number, y: number) => {
for (const [buttonName, config] of Object.entries(buttons) as [
keyof T,
ButtonConfig,
][]) {
const [sx, sy, sw, sh] = config;
if (x >= sx && x <= sx + sw && y >= sy && y <= sy + sh) {
if (selectedButton.value === buttonName) {
onButtonClick?.(buttonName);
} else {
if (
(navigation[buttonName].down === "last" &&
navigation[selectedButton.value]!.up === buttonName) ||
(navigation[buttonName].up === "last" &&
navigation[selectedButton.value]!.down === buttonName)
) {
nextButton.value = selectedButton.value;
}
selectedButton.value = buttonName;
}
break;
}
}
});
useKeyDown((key) => {
const currentButton = selectedButton.value as keyof T;
const currentNav = navigation[currentButton];
if (!currentNav) return;
switch (key) {
case "NDS_UP":
if (!currentNav.up) return;
if (currentNav.up === "last") {
if (nextButton.value) {
selectedButton.value = nextButton.value;
} else {
selectedButton.value = currentNav.left ?? currentNav.right;
}
} else {
if (navigation[currentNav.up].down === "last") {
nextButton.value = selectedButton.value as keyof T;
}
selectedButton.value = currentNav.up;
}
break;
case "NDS_DOWN":
if (!currentNav.down) return;
if (currentNav.down === "last") {
if (nextButton.value) {
selectedButton.value = nextButton.value;
} else {
selectedButton.value = currentNav.left ?? currentNav.right;
}
} else {
if (navigation[currentNav.down].up === "last") {
nextButton.value = selectedButton.value as keyof T;
}
selectedButton.value = currentNav.down;
}
break;
case "NDS_LEFT":
if (!currentNav.left) return;
if (currentNav.horizontalMode === "preview") {
nextButton.value = currentNav.left;
} else {
selectedButton.value = currentNav.left;
}
break;
case "NDS_RIGHT":
if (!currentNav.right) return;
if (currentNav.horizontalMode === "preview") {
nextButton.value = currentNav.right;
} else {
selectedButton.value = currentNav.right;
}
break;
case "NDS_A":
onButtonClick?.(selectedButton.value);
break;
default:
return;
}
});
return {
selectedButton,
selectorPosition,
};
};