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0001 // ct_lvtqtc_tooltip.h                                                 -*-C++-*-
0002 
0003 /*
0004 // Copyright 2023 Codethink Ltd <codethink@codethink.co.uk>
0005 // SPDX-License-Identifier: Apache-2.0
0006 //
0007 // Licensed under the Apache License, Version 2.0 (the "License");
0008 // you may not use this file except in compliance with the License.
0009 // You may obtain a copy of the License at
0010 //
0011 //     http://www.apache.org/licenses/LICENSE-2.0
0012 //
0013 // Unless required by applicable law or agreed to in writing, software
0014 // distributed under the License is distributed on an "AS IS" BASIS,
0015 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
0016 // See the License for the specific language governing permissions and
0017 // limitations under the License.
0018 */
0019 
0020 #ifndef DEFINED_CT_LVTQTC_TOOLTIP
0021 #define DEFINED_CT_LVTQTC_TOOLTIP
0022 
0023 #include <lvtqtc_export.h>
0024 
0025 #include <QElapsedTimer>
0026 #include <QIcon>
0027 #include <QLabel>
0028 #include <QPair>
0029 #include <QRectF>
0030 #include <QVector>
0031 #include <QWidget>
0032 
0033 #include <memory>
0034 
0035 namespace Codethink::lvtqtc {
0036 /* To use a tooltip, simply ->setToolTip on the QGraphicsItem that you want
0037  * or, if it's a "global" tooltip, set it on the mouseMoveEvent of the ProfileGraphicsView.
0038  */
0039 
0040 class LVTQTC_EXPORT ToolTipItem : public QWidget {
0041     Q_OBJECT
0042   public:
0043     enum Status { COLLAPSED, EXPANDED };
0044 
0045     explicit ToolTipItem(QWidget *parent = nullptr);
0046     ~ToolTipItem() override;
0047 
0048     void clear();
0049     void addToolTip(const QString& toolTip, const QIcon& icon = QIcon(), const QPixmap& pixmap = QPixmap());
0050     void persistPos();
0051     void readPos();
0052 
0053     void paintEvent(QPaintEvent *ev) override;
0054     void mousePressEvent(QMouseEvent *ev) override;
0055     void mouseMoveEvent(QMouseEvent *ev) override;
0056     void mouseReleaseEvent(QMouseEvent *ev) override;
0057 
0058   private:
0059     struct Private;
0060     std::unique_ptr<Private> d;
0061 };
0062 
0063 } // end namespace Codethink::lvtqtc
0064 
0065 #endif