100 lines
2.0 KiB
C++
100 lines
2.0 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2019 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 TIMERULER_H
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#define TIMERULER_H
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#include <QTimer>
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#include <QWidget>
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#include "common/rational.h"
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#include "widget/timelineview/timelineplayhead.h"
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class TimeRuler : public QWidget
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{
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Q_OBJECT
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public:
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TimeRuler(bool text_visible = true, QWidget* parent = nullptr);
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void SetTextVisible(bool e);
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const double& scale();
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void SetScale(const double& d);
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void SetTimebase(const rational& r);
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void SetCenteredText(bool c);
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const int64_t& Time();
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public slots:
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void SetTime(const int64_t &r);
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void SetScroll(int s);
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protected:
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virtual void paintEvent(QPaintEvent* e) override;
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virtual void mousePressEvent(QMouseEvent *event) override;
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virtual void mouseMoveEvent(QMouseEvent *event) override;
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signals:
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/**
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* @brief Signal emitted whenever the time changes on this ruler, either by user or programatically
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*/
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void TimeChanged(int64_t);
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private:
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void DrawPlayhead(QPainter* p, int x, int y);
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double ScreenToUnitFloat(int screen);
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int64_t ScreenToUnit(int screen);
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void SeekToScreenPoint(int screen);
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int text_height_;
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int minimum_gap_between_lines_;
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int playhead_width_;
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int scroll_;
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bool text_visible_;
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bool centered_text_;
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double scale_;
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rational timebase_;
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double timebase_dbl_;
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double timebase_flipped_dbl_;
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int64_t time_;
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TimelinePlayhead style_;
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};
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#endif // TIMERULER_H
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