Horizon
tool_paste.hpp
1 #pragma once
2 #include "core/tool.hpp"
3 #include "tool_helper_merge.hpp"
4 #include "tool_helper_move.hpp"
5 #include "nlohmann/json.hpp"
6 
7 namespace horizon {
8 
9 class ToolPaste : public ToolHelperMove, public ToolHelperMerge {
10 public:
11  ToolPaste(IDocument *c, ToolID tid);
12  ToolResponse begin(const ToolArgs &args) override;
13  ToolResponse update(const ToolArgs &args) override;
14  bool can_begin() override;
15  bool is_specific() override;
16 
17  std::set<InToolActionID> get_actions() const override
18  {
19  using I = InToolActionID;
20  return {
21  I::LMB, I::CANCEL, I::RMB, I::ROTATE, I::MIRROR, I::RESTRICT,
22  };
23  }
24 
25 private:
26  void fix_layer(int &la);
27  void apply_shift(Coordi &c, const Coordi &cursor_pos);
28  Coordi shift;
29  json paste_data;
30  class Picture *pic = nullptr;
31  ToolResponse begin_paste(const json &j, const Coordi &cursor_pos);
32  void update_tip();
33 };
34 } // namespace horizon
horizon::ToolPaste::update
ToolResponse update(const ToolArgs &args) override
Gets called whenever the user generated some sort of input.
horizon::ToolPaste::is_specific
bool is_specific() override
horizon::ToolPaste::begin
ToolResponse begin(const ToolArgs &args) override
Gets called right after the constructor has finished.
horizon::ToolPaste::can_begin
bool can_begin() override
nlohmann::basic_json
a class to store JSON values
Definition: json.hpp:166
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