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This was very painful, because I had to implement rearranging the paint order of the QSGNodes. The resulting code appears quite brittle. Let's see where that brings us. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
66 lines
1.5 KiB
C++
66 lines
1.5 KiB
C++
// SPDX-License-Identifier: GPL-2.0
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// Private template implementation for ChartItem child classes
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#ifndef CHARTITEM_PRIVATE_H
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#define CHARTITEM_PRIVATE_H
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#include "chartitem.h"
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#include "chartview.h"
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template <typename Node>
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template<class... Args>
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void HideableChartItem<Node>::createNode(Args&&... args)
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{
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node.reset(new Node(visible, std::forward<Args>(args)...));
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visibleChanged = false;
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}
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template <typename Node>
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void HideableChartItem<Node>::addNodeToView()
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{
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view.addQSGNode(node.get(), zValue, moveMode == MoveMode::after, moveNode);
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moveNode = nullptr;
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moveMode = MoveMode::none;
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}
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template <typename Node>
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HideableChartItem<Node>::HideableChartItem(ChartView &v, size_t z, bool dragable) : ChartItem(v, z, dragable),
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visible(true), visibleChanged(false), moveMode(MoveMode::none), moveNode(nullptr)
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{
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}
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template <typename Node>
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void HideableChartItem<Node>::updateVisible()
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{
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if (visibleChanged)
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node->setVisible(visible);
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visibleChanged = false;
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}
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template <typename Node>
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void HideableChartItem<Node>::doRearrange()
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{
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if (!node)
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return;
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switch (moveMode) {
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default:
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case MoveMode::none:
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return;
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case MoveMode::before:
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if (moveNode)
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view.moveNodeBefore(node.get(), zValue, moveNode);
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else
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view.moveNodeBack(node.get(), zValue);
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break;
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case MoveMode::after:
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if (moveNode)
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view.moveNodeAfter(node.get(), zValue, moveNode);
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else
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view.moveNodeFront(node.get(), zValue);
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break;
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}
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moveNode = nullptr;
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moveMode = MoveMode::none;
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}
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#endif
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