Files
hfut-bishe/client/gui/timeline/TimelineWidget.h
T
2026-05-14 13:30:06 +08:00

92 lines
3.0 KiB
C++

#pragma once
#include <QWidget>
class QResizeEvent;
class TimelineEditorModel;
class TimelineWidget final : public QWidget {
Q_OBJECT
public:
explicit TimelineWidget(QWidget* parent = nullptr);
void setFrameRange(int start, int end);
void setCurrentFrame(int frame);
/// 由主窗口同步工程帧时调用:不发射 frameScrubbed,避免与拖动/刷新打架造成数字闪烁
void setCurrentFrameProgrammatic(int frame);
int currentFrame() const { return m_currentFrame; }
void setSelectionRange(int start, int end); // -1,-1 清除
int selectionStart() const { return m_selStart; }
int selectionEnd() const { return m_selEnd; }
void setModel(TimelineEditorModel* model);
TimelineEditorModel* model() const { return m_model; }
// 轨道数据直接由上层提供(通常来自当前条带引用的 clip)。
void setKeyframeTracks(const QVector<int>& locFrames,
const QVector<int>& scaleFrames,
const QVector<int>& imgFrames,
const QVector<int>& visFrames);
void setToolKeyframeTracks(const QVector<int>& locFrames,
const QVector<int>& visFrames);
enum class KeyKind { None, Location, UserScale, Image, Visibility };
KeyKind selectedKeyKind() const { return m_selKeyKind; }
int selectedKeyFrame() const { return m_selKeyFrame; }
bool hasSelectedKeyframe() const { return m_selKeyKind != KeyKind::None && m_selKeyFrame >= 0; }
signals:
void frameScrubbed(int frame);
void frameCommitted(int frame);
void contextMenuRequested(const QPoint& globalPos, int frame);
void keyframeSelectionChanged(KeyKind kind, int frame);
void intervalSelectionChanged(int start, int end);
protected:
void paintEvent(QPaintEvent*) override;
void mousePressEvent(QMouseEvent*) override;
void mouseMoveEvent(QMouseEvent*) override;
void mouseReleaseEvent(QMouseEvent*) override;
void wheelEvent(QWheelEvent*) override;
void resizeEvent(QResizeEvent* e) override;
private:
int contentLeft() const { return 6; }
int contentWidth() const { return std::max(1, width() - 12); }
QRect contentRect() const;
double frameToXf(double frame) const;
int frameToX(int frame) const;
double xToFramef(int x) const;
int xToFrame(int x) const;
QRect rulerRect() const;
QRect keyAreaRect() const;
void setFrameInternal(int frame, bool commit);
int m_start = 0;
int m_end = 600; // exclusive for mapping
int m_currentFrame = 0;
int m_selStart = -1;
int m_selEnd = -1;
bool m_dragging = false;
QPoint m_pressPos;
bool m_moved = false;
static constexpr int kRulerHeight = 14;
QVector<int> m_locFrames;
QVector<int> m_scaleFrames;
QVector<int> m_imgFrames;
QVector<int> m_visFrames;
KeyKind m_selKeyKind = KeyKind::None;
int m_selKeyFrame = -1;
TimelineEditorModel* m_model = nullptr; // non-owning
};