Horizon
canvas3d.hpp
1 #pragma once
2 #include "canvas_mesh.hpp"
3 #include "canvas/appearance.hpp"
4 #include "clipper/clipper.hpp"
5 #include "common/common.hpp"
6 #include "util/msd_animator.hpp"
7 #include <epoxy/gl.h>
8 #include <glm/glm.hpp>
9 #include <gtkmm.h>
10 #include <unordered_map>
11 #include "canvas3d_base.hpp"
12 #include "spacenav_prefs.hpp"
13 #include <atomic>
14 #include <thread>
15 
16 namespace horizon {
17 class Canvas3D : public Gtk::GLArea, public Canvas3DBase {
18 public:
19  friend class CoverRenderer;
20  friend class WallRenderer;
21  friend class FaceRenderer;
22  friend class BackgroundRenderer;
23  Canvas3D();
24 
25  float far;
26  float near;
27 
28  bool smooth_zoom = false;
29  bool touchpad_pan = false;
30  SpacenavPrefs spacenav_prefs;
31 
32  void request_push();
33  void update(const class Board &brd);
34  void update_packages();
35  void set_highlights(const std::set<UUID> &pkgs);
36 
37  void animate_to_azimuth_elevation_abs(float az, float el);
38  void animate_to_azimuth_elevation_rel(float az, float el);
39  void animate_zoom_step(int inc);
40  void animate_center_rel(const glm::vec2 &d);
41  void set_appearance(const Appearance &a);
42 
43  void set_msaa(unsigned int samples);
44 
45  void load_models_async(class IPool &pool);
46 
47  void view_all();
48 
49  void set_msd_params(const MSD::Params &params);
50 
51  glm::vec2 get_center_shift(const glm::vec2 &shift) const;
52 
53  typedef sigc::signal<void, unsigned int, unsigned int> type_signal_models_loading;
54  type_signal_models_loading signal_models_loading()
55  {
56  return s_signal_models_loading;
57  }
58  type_signal_models_loading signal_layers_loading()
59  {
60  return s_signal_layers_loading;
61  }
62 
63  typedef sigc::signal<void, UUID> type_signal_package_select;
64  type_signal_package_select signal_package_select()
65  {
66  return s_signal_package_select;
67  }
68 
69  typedef sigc::signal<void, glm::dvec3> type_signal_point_select;
70  type_signal_point_select signal_point_select()
71  {
72  return s_signal_point_select;
73  }
74 
75  typedef sigc::signal<void, unsigned int> type_signal_spacenav_button_press;
76  type_signal_spacenav_button_press signal_spacenav_button_press()
77  {
78  return s_signal_spacenav_button_press;
79  }
80 
81  bool get_spacenav_available() const
82  {
83  return have_spnav;
84  }
85 
86  ~Canvas3D();
87 
88 private:
89  bool needs_push = false;
90  bool needs_view_all = false;
91  int a_get_scale_factor() const override;
92  void redraw() override;
93 
94  void on_size_allocate(Gtk::Allocation &alloc) override;
95  void on_realize() override;
96  bool on_render(const Glib::RefPtr<Gdk::GLContext> &context) override;
97  bool on_button_press_event(GdkEventButton *button_event) override;
98  bool on_motion_notify_event(GdkEventMotion *motion_event) override;
99  bool on_button_release_event(GdkEventButton *button_event) override;
100  bool on_scroll_event(GdkEventScroll *scroll_event) override;
101 
102  void pan_zoom(GdkEventScroll *scroll_event);
103  void pan_drag_move(GdkEventScroll *scroll_event);
104  void pan_rotate(GdkEventScroll *scroll_event);
105 
106  Glib::RefPtr<Gtk::GestureDrag> gesture_drag;
107  glm::vec2 gesture_drag_center_orig;
108  void drag_gesture_begin_cb(GdkEventSequence *seq);
109  void drag_gesture_update_cb(GdkEventSequence *seq);
110 
111  Glib::RefPtr<Gtk::GestureZoom> gesture_zoom;
112  float gesture_zoom_cam_dist_orig = 1;
113  void zoom_gesture_begin_cb(GdkEventSequence *seq);
114  void zoom_gesture_update_cb(GdkEventSequence *seq);
115 
116  Glib::RefPtr<Gtk::GestureRotate> gesture_rotate;
117  float gesture_rotate_cam_azimuth_orig = 0;
118  float gesture_rotate_cam_elevation_orig = 0;
119  glm::vec2 gesture_rotate_pos_orig;
120  void rotate_gesture_begin_cb(GdkEventSequence *seq);
121  void rotate_gesture_update_cb(GdkEventSequence *seq);
122 
123  glm::vec2 pointer_pos_orig;
124  float cam_azimuth_orig;
125  float cam_elevation_orig;
126 
127  glm::vec2 center_orig;
128 
129  enum class PanMode { NONE, MOVE, ROTATE };
130  PanMode pan_mode = PanMode::NONE;
131 
132 
133  bool needs_resize = false;
134 
135  MSDAnimator azimuth_animator;
136  MSDAnimator elevation_animator;
137  MSDAnimator zoom_animator;
138  MSDAnimator cx_animator;
139  MSDAnimator cy_animator;
140 
141  std::vector<MSDAnimator *> animators;
142  int animate_step(GdkFrameClock *frame_clock);
143  static int anim_tick_cb(GtkWidget *cwidget, GdkFrameClock *frame_clock, gpointer user_data);
144  void start_anim();
145 
146  void prepare();
147 
148  void load_models_thread(std::map<std::string, std::string> model_filenames);
149 
150 
151  Glib::Dispatcher models_loading_dispatcher;
152 
153  type_signal_models_loading s_signal_models_loading;
154  type_signal_models_loading s_signal_layers_loading;
155  unsigned int n_models_loading = 0;
156  std::atomic<unsigned int> i_model_loading;
157 
158  std::thread model_load_thread;
159  std::atomic<bool> stop_model_load_thread;
160 
161  type_signal_package_select s_signal_package_select;
162  type_signal_point_select s_signal_point_select;
163  int pick_x, pick_y;
164 
165  std::map<int, CanvasMesh::Layer3D> layers_local;
166  std::set<int> layers_to_be_moved;
167  const std::map<int, CanvasMesh::Layer3D> &get_layers() const override;
168 
169  Glib::Dispatcher prepare_dispatcher;
170  std::thread prepare_thread;
171  void prepare_thread_worker();
172 
173  bool have_spnav = false;
174  void handle_spnav();
175  sigc::connection spnav_connection;
176 
177  type_signal_spacenav_button_press s_signal_spacenav_button_press;
178 };
179 } // namespace horizon
Definition: appearance.hpp:7
Definition: background_renderer.hpp:5
Definition: board.hpp:47
Definition: canvas3d_base.hpp:20
Definition: canvas3d.hpp:17
Definition: cover_renderer.hpp:7
Definition: face_renderer.hpp:6
Definition: ipool.hpp:14
Definition: msd_animator.hpp:5
Definition: wall_renderer.hpp:7
Definition: msd.hpp:13
Definition: spacenav_prefs.hpp:4