Horizon
tool_measure.hpp
1 #pragma once
2 #include "core/tool.hpp"
3 
4 namespace horizon {
5 class ToolMeasure : public ToolBase {
6 public:
7  using ToolBase::ToolBase;
8  ToolResponse begin(const ToolArgs &args) override;
9  ToolResponse update(const ToolArgs &args) override;
10  bool can_begin() override
11  {
12  return true;
13  }
14  bool is_specific() override
15  {
16  return false;
17  }
18  std::set<InToolActionID> get_actions() const override
19  {
20  using I = InToolActionID;
21  return {
22  I::LMB,
23  I::CANCEL,
24  I::RMB,
25  };
26  }
27  ~ToolMeasure();
28 
29 private:
30  class CanvasAnnotation *annotation = nullptr;
31 
32  enum class State { FROM, TO, DONE };
33  State state = State::FROM;
34  void update_tip();
35 
36  Coordi from;
37  Coordi to;
38 
39  std::string s_from;
40  std::string s_to;
41 };
42 } // namespace horizon
This is what a Tool receives when the user did something.
Definition: tool.hpp:23
Common interface for all Tools.
Definition: tool.hpp:121
Definition: tool_measure.hpp:5
ToolResponse update(const ToolArgs &args) override
Gets called whenever the user generated some sort of input.
Definition: tool_measure.cpp:69
bool is_specific() override
Definition: tool_measure.hpp:14
ToolResponse begin(const ToolArgs &args) override
Gets called right after the constructor has finished.
Definition: tool_measure.cpp:12
bool can_begin() override
Definition: tool_measure.hpp:10
To signal back to the core what the Tool did, a Tool returns a ToolResponse.
Definition: tool.hpp:42