transition(name="x4" :appear="appeared")
div.x4-left-column(
:class="classObject"
:style="styleObject"
@dragenter="dragOver"
@dragover="dragOver")
div.x4-top-row
PluginButton
div.x4-subtop-row
SettingsButton
div.x4-content-row.x4-scrollable
MMenu(
v-if="menuVisible")
Tree