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o3de/Gems/LyShine/Code/Editor/ViewportHighlight.cpp

117 lines
4.1 KiB
C++

/*
* Copyright (c) Contributors to the Open 3D Engine Project.
* For complete copyright and license terms please see the LICENSE at the root of this distribution.
*
* SPDX-License-Identifier: Apache-2.0 OR MIT
*
*/
#include "EditorCommon.h"
ViewportHighlight::ViewportHighlight()
: m_highlightIconSelected(new ViewportIcon("Editor/Icons/Viewport/Border_Selected.tif"))
, m_highlightIconUnselected(new ViewportIcon("Editor/Icons/Viewport/Border_Unselected.tif"))
{
}
ViewportHighlight::~ViewportHighlight()
{
}
void ViewportHighlight::Draw(Draw2dHelper& draw2d,
QTreeWidgetItem* invisibleRootItem,
HierarchyItemRawPtrList& selectedItems,
uint32 flags)
{
// first draw any unselected element borders (if flag is set to draw them)
if (flags & ViewportWidget::DrawElementBorders_Unselected)
{
HierarchyItemRawPtrList allItems;
HierarchyHelpers::AppendAllChildrenToEndOfList(invisibleRootItem, allItems);
for (auto item : allItems)
{
AZ::Entity* element = item->GetElement();
AZ_Warning("UI", element, "Missing entity for hierarchy item");
if (!element)
{
continue;
}
bool shouldDrawBorder = true;
if (item->isSelected())
{
// this element is in the selected list
// ignore the selected items - we draw border for those afterwards so that they are on top
shouldDrawBorder = false;
}
else
{
// This element is not selected
if (!(flags & ViewportWidget::DrawElementBorders_Parent))
{
// the flag is NOT set to draw borders on elements that are parents
// so if this element has children we should NOT draw a border for it
int numChildren = 0;
EBUS_EVENT_ID_RESULT(numChildren, element->GetId(), UiElementBus, GetNumChildElements);
if (numChildren > 0)
{
shouldDrawBorder = false;
}
}
if (!(flags & ViewportWidget::DrawElementBorders_Visual))
{
// the flag is NOT set to draw borders on elements that are visual
// so if this element has any visual components we should NOT draw a border for it
if (UiVisualBus::FindFirstHandler(element->GetId()))
{
shouldDrawBorder = false;
}
}
if (!(flags & ViewportWidget::DrawElementBorders_Hidden))
{
// the flag is NOT set to draw borders on elements that are hidden
// so if this element is hidden we should NOT draw a border for it
bool isVisible = false;
EBUS_EVENT_ID_RESULT(isVisible, element->GetId(), UiEditorBus, GetIsVisible);
bool areAllAncestorsVisible = false;
EBUS_EVENT_ID_RESULT(areAllAncestorsVisible, element->GetId(), UiEditorBus, AreAllAncestorsVisible);
if (!(isVisible && areAllAncestorsVisible))
{
shouldDrawBorder = false;
}
}
}
if (shouldDrawBorder)
{
m_highlightIconUnselected->DrawElementRectOutline(draw2d, element->GetId(), ViewportHelpers::unselectedColor);
}
}
}
// Now draw the borders for any selected elements
for (auto item : selectedItems)
{
AZ::Entity* element = item->GetElement();
AZ_Warning("UI", element, "Missing entity for hierarchy item");
if (element)
{
m_highlightIconSelected->DrawElementRectOutline(draw2d, element->GetId(), ViewportHelpers::selectedColor);
}
}
}
void ViewportHighlight::DrawHover(Draw2dHelper& draw2d, AZ::EntityId hoverElement)
{
m_highlightIconSelected->DrawElementRectOutline(draw2d, hoverElement, ViewportHelpers::highlightColor);
}