Started work on separating FDM gizmo into base and child classes

src/slic3r/GUI/Gizmos/GLGizmoPainterBase.hpp

@@ -0,0 +1,127 @@
+#ifndef slic3r_GLGizmoPainterBase_hpp_
+#define slic3r_GLGizmoPainterBase_hpp_
+
+#include "GLGizmoBase.hpp"
+
+#include "slic3r/GUI/3DScene.hpp"
+
+#include "libslic3r/ObjectID.hpp"
+#include "libslic3r/TriangleSelector.hpp"
+
+#include <cereal/types/vector.hpp>
+
+
+
+
+namespace Slic3r {
+
+enum class EnforcerBlockerType : int8_t;
+
+namespace GUI {
+
+enum class SLAGizmoEventType : unsigned char;
+class ClippingPlane;
+
+
+
+class TriangleSelectorGUI : public TriangleSelector {
+public:
+    explicit TriangleSelectorGUI(const TriangleMesh& mesh)
+        : TriangleSelector(mesh) {}
+
+    // Render current selection. Transformation matrices are supposed
+    // to be already set.
+    void render(ImGuiWrapper* imgui = nullptr);
+
+#ifdef PRUSASLICER_TRIANGLE_SELECTOR_DEBUG
+    void render_debug(ImGuiWrapper* imgui);
+    bool m_show_triangles{false};
+    bool m_show_invalid{false};
+#endif
+
+private:
+    GLIndexedVertexArray m_iva_enforcers;
+    GLIndexedVertexArray m_iva_blockers;
+    std::array<GLIndexedVertexArray, 3> m_varrays;
+};
+
+
+
+class GLGizmoPainterBase : public GLGizmoBase
+{
+private:
+    ObjectID m_old_mo_id;
+    size_t m_old_volumes_size = 0;
+
+    GLUquadricObj* m_quadric;
+
+    float m_cursor_radius = 2.f;
+    static constexpr float CursorRadiusMin  = 0.4f; // cannot be zero
+    static constexpr float CursorRadiusMax  = 8.f;
+    static constexpr float CursorRadiusStep = 0.2f;
+
+    // For each model-part volume, store status and division of the triangles.
+    std::vector<std::unique_ptr<TriangleSelectorGUI>> m_triangle_selectors;
+
+public:
+    GLGizmoPainterBase(GLCanvas3D& parent, const std::string& icon_filename, unsigned int sprite_id);
+    ~GLGizmoPainterBase() override;
+    void set_fdm_support_data(ModelObject* model_object, const Selection& selection);
+    bool gizmo_event(SLAGizmoEventType action, const Vec2d& mouse_position, bool shift_down, bool alt_down, bool control_down);
+
+
+private:
+    bool on_init() override;
+    void on_render() const override;
+    void on_render_for_picking() const override {}
+
+    void render_triangles(const Selection& selection) const;
+    void render_cursor_circle() const;
+
+    void update_model_object() const;
+    void update_from_model_object();
+    void activate_internal_undo_redo_stack(bool activate);
+
+    void select_facets_by_angle(float threshold, bool block);
+    float m_angle_threshold_deg = 45.f;
+
+    bool is_mesh_point_clipped(const Vec3d& point) const;
+
+    float m_clipping_plane_distance = 0.f;
+    std::unique_ptr<ClippingPlane> m_clipping_plane;
+    bool m_setting_angle = false;
+    bool m_internal_stack_active = false;
+    bool m_schedule_update = false;
+    Vec2d m_last_mouse_position = Vec2d::Zero();
+
+    // This map holds all translated description texts, so they can be easily referenced during layout calculations
+    // etc. When language changes, GUI is recreated and this class constructed again, so the change takes effect.
+    std::map<std::string, wxString> m_desc;
+
+    enum class Button {
+        None,
+        Left,
+        Right
+    };
+
+    Button m_button_down = Button::None;
+    EState m_old_state = Off; // to be able to see that the gizmo has just been closed (see on_set_state)
+
+protected:
+    void on_set_state() override;
+    void on_start_dragging() override;
+    void on_stop_dragging() override;
+    void on_render_input_window(float x, float y, float bottom_limit) override;
+    std::string on_get_name() const override;
+    bool on_is_activable() const override;
+    bool on_is_selectable() const override;
+    void on_load(cereal::BinaryInputArchive& ar) override;
+    void on_save(cereal::BinaryOutputArchive& ar) const override;
+    CommonGizmosDataID on_get_requirements() const override;
+};
+
+
+} // namespace GUI
+} // namespace Slic3r
+
+#endif // slic3r_GLGizmoPainterBase_hpp_