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<template>
<div class="fixed left-0 top-0 w-full h-full bg-black/40" @click="onClose" ref="rootRef">
<div class="absolute left-1/2 -translate-x-1/2 top-1/2 -translate-y-1/2
max-w-[80%] w-2/3 min-w-[8cm] md:w-[12cm] max-h-[80%]" :style="styles">
<close-icon @click.stop="onClose" ref="closeRef"
class="absolute top-1 right-1 md:top-2 md:right-2 w-8 h-8 hover:cursor-pointer"/>
<h1 class="text-center text-xl font-bold pt-2 pb-2 md:pt-3">
Welcome
</h1>
<div class="px-4 pb-3 md:pb-4">
<p class="px-2">
This is an interactive historical timeline spanning 14 billion years.
</p>
<ul class="list-disc pl-4 pt-1">
<li v-if="touchDevice">
<span class="font-bold">Drag the screen</span> to move
</li>
<li v-else>
<span class="font-bold">Scroll</span> or press
<span class="font-bold">{{vert ? 'Up & Down': 'Left & Right'}}</span>
to move
</li>
<li>
<span v-if="touchDevice">Pinch</span>
<span v-else>Hold <span class="font-bold">Ctrl</span></span>
to zoom in & out
</li>
</ul>
</div>
</div>
</div>
</template>
<script setup lang="ts">
import {ref, computed} from 'vue';
import CloseIcon from './icon/CloseIcon.vue';
import {useStore} from '../store';
const rootRef = ref(null as HTMLDivElement | null);
const closeRef = ref(null as typeof CloseIcon | null);
const store = useStore();
const touchDevice = computed(() => store.touchDevice)
defineProps({
vert: {type: Boolean, required: true},
});
const emit = defineEmits(['close']);
function onClose(evt: Event){
if (evt.target == rootRef.value || closeRef.value!.$el.contains(evt.target)){
emit('close');
}
}
const styles = computed(() => ({
backgroundColor: store.color.bgAltDark,
borderRadius: store.borderRadius + 'px',
overflow: 'visible auto',
}));
</script>
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