Implemented actions widget and editing functionalities

widgets/pathpointswidget.h

@@ -0,0 +1,84 @@
+#pragma once
+
+#include <QWidget>
+#include <QPalette>
+
+#include <vector>
+#include <optional>
+
+#include "projectcontainer.h"
+
+class PathPointsWidget : public QWidget
+{
+    Q_OBJECT
+    Q_PROPERTY(bool showGrid READ showGrid WRITE setShowGrid NOTIFY showGridChanged)
+    Q_PROPERTY(int gridX READ gridX WRITE setGridX NOTIFY gridXChanged)
+    Q_PROPERTY(int gridY READ gridY WRITE setGridY NOTIFY gridYChanged)
+    Q_PROPERTY(bool closed READ closed WRITE setClosed NOTIFY closedChanged)
+
+public:
+    explicit PathPointsWidget(QWidget *parent = nullptr);
+    explicit PathPointsWidget(std::vector<Path::Point> *points, QWidget *parent = nullptr);
+
+    void setPoints(std::vector<Path::Point> *points);
+
+    bool showGrid() const { return m_showGrid; }
+    void setShowGrid(bool showGrid);
+
+    int gridX() const { return m_gridX; }
+    void setGridX(int gridX);
+
+    int gridY() const { return m_gridY; }
+    void setGridY(int gridY);
+
+    bool closed() const { return m_closed; }
+    void setClosed(bool closed);
+
+    const std::optional<std::size_t> &selectedIndex() const { return m_selectedIndex; }
+    void setSelectedIndex(const std::optional<std::size_t> &selectedIndex);
+
+    QPalette::ColorRole gridRole() const { return m_gridRole; }
+    void setGridRole(QPalette::ColorRole gridRole) { if (gridRole == m_gridRole) return; m_gridRole = gridRole; update(); }
+
+signals:
+    void showGridChanged(bool showGrid);
+    void gridXChanged(int gridX);
+    void gridYChanged(int gridY);
+    void closedChanged(bool closed);
+    void selectedIndexChanged(const std::optional<std::size_t> &selectedIndex);
+
+    void cursorMoved(const QPoint &point);
+
+    void pointInserted(std::size_t index);
+    void pointMoved(std::size_t index);
+
+protected:
+    void paintEvent(QPaintEvent *event) override;
+    void mousePressEvent(QMouseEvent *event) override;
+    void mouseReleaseEvent(QMouseEvent *event) override;
+    void mouseMoveEvent(QMouseEvent *event) override;
+
+private:
+    QPoint snapPoint(const QPoint &point) const;
+
+    std::vector<Path::Point> *m_points{};
+
+    bool m_showGrid{true};
+    int m_gridX{16};
+    int m_gridY{16};
+
+    bool m_closed{true};
+
+    std::optional<std::size_t> m_selectedIndex;
+    std::optional<std::size_t> m_dragIndex;
+
+    struct GridBrush {
+        int gridX;
+        int gridY;
+        QBrush brush;
+    };
+
+    std::optional<GridBrush> m_gridBrush;
+
+    QPalette::ColorRole m_gridRole{QPalette::Dark};
+};