Horizon
tool_rotate_arbitrary.hpp
1 #pragma once
2 #include "core/tool.hpp"
3 #include "canvas/selectables.hpp"
4 #include "util/placement.hpp"
5 
6 namespace horizon {
7 
8 class ToolRotateArbitrary : public ToolBase {
9 public:
10  ToolRotateArbitrary(IDocument *c, ToolID tid);
11  ToolResponse begin(const ToolArgs &args) override;
12  ToolResponse update(const ToolArgs &args) override;
13  bool can_begin() override;
14  bool is_specific() override
15  {
16  return true;
17  }
19  std::set<InToolActionID> get_actions() const override
20  {
21  using I = InToolActionID;
22  return {
23  I::LMB, I::CANCEL, I::RMB, I::ENTER_DATUM, I::TOGGLE_ANGLE_SNAP,
24  };
25  }
26 
27 private:
28  Coordi origin;
29  Coordi ref;
30  int iangle = 0;
31  bool snap = true;
32  double scale = 1;
33  void expand_selection();
34  void update_tip();
35  void save_placements();
36  void apply_placements_rotation(int angle);
37  void apply_placements_scale(double sc);
38  enum class State { ORIGIN, ROTATE, REF, SCALE };
39  State state = State::ORIGIN;
40  std::map<SelectableRef, Placement> placements;
41  class CanvasAnnotation *annotation = nullptr;
42 };
43 } // namespace horizon
horizon::ToolRotateArbitrary::can_begin
bool can_begin() override
horizon::ToolRotateArbitrary::update
ToolResponse update(const ToolArgs &args) override
Gets called whenever the user generated some sort of input.
horizon::ToolRotateArbitrary::begin
ToolResponse begin(const ToolArgs &args) override
Gets called right after the constructor has finished.
horizon::ToolRotateArbitrary
Definition: tool_rotate_arbitrary.hpp:8
horizon::ToolResponse
To signal back to the core what the Tool did, a Tool returns a ToolResponse.
Definition: tool.hpp:42
horizon::ToolArgs
This is what a Tool receives when the user did something.
Definition: tool.hpp:23
horizon::ToolRotateArbitrary::is_specific
bool is_specific() override
Definition: tool_rotate_arbitrary.hpp:14