72 lines
1.4 KiB
C++
72 lines
1.4 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2022 Olive Team
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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***/
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#ifndef SCROLLINGLABEL_H
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#define SCROLLINGLABEL_H
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#include <QTimer>
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#include <QWidget>
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namespace olive
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{
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class ScrollingLabel : public QWidget {
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Q_OBJECT
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public:
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ScrollingLabel(QWidget *parent = nullptr);
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ScrollingLabel(const QStringList &text, QWidget *parent = nullptr);
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void SetText(const QStringList &text);
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void StartAnimating()
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{
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timer_.start();
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}
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void StopAnimating()
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{
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timer_.stop();
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}
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protected:
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virtual void paintEvent(QPaintEvent *e) override;
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private:
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static void SetOpacityOfScanLine(uchar *scan_line, int width, int channels,
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double mul);
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static const int kMinLineHeight;
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QStringList text_;
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int text_height_;
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QTimer timer_;
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int animate_;
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private slots:
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void AnimationUpdate();
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};
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}
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#endif // SCROLLINGLABEL_H
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