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Fix drawing like page up/down

This commit is contained in:
Bryan Ashby 2018-06-09 22:50:57 -06:00
parent 973e10fb8b
commit ec30c595c4
1 changed files with 20 additions and 1 deletions
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21
core/vertical_menu_view.js
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@ -312,12 +312,31 @@ VerticalMenuView.prototype.focusNextPageItem = function() {
}; };
VerticalMenuView.prototype.focusFirst = function() { VerticalMenuView.prototype.focusFirst = function() {
if(0 < this.viewWindow.top) {
this.oldDimens = Object.assign({}, this.dimens);
}
this.setFocusItemIndex(0); this.setFocusItemIndex(0);
return VerticalMenuView.super_.prototype.focusFirst.call(this); return VerticalMenuView.super_.prototype.focusFirst.call(this);
}; };
VerticalMenuView.prototype.focusLast = function() { VerticalMenuView.prototype.focusLast = function() {
this.setFocusItemIndex(this.items.length - 1); const index = this.items.length - 1;
if(index > this.viewWindow.bottom) {
this.oldDimens = Object.assign({}, this.dimens);
this.focusedItemIndex = index;
this.viewWindow = {
top : this.focusedItemIndex,
bottom : Math.min(this.focusedItemIndex + this.maxVisibleItems, this.items.length) - 1
};
this.redraw();
} else {
this.setFocusItemIndex(index);
}
return VerticalMenuView.super_.prototype.focusLast.call(this); return VerticalMenuView.super_.prototype.focusLast.call(this);
}; };