1 /*
2  Copyright (C) 2010-2014 Kristian Duske
3 
4  This file is part of TrenchBroom.
5 
6  TrenchBroom is free software: you can redistribute it and/or modify
7  it under the terms of the GNU General Public License as published by
8  the Free Software Foundation, either version 3 of the License, or
9  (at your option) any later version.
10 
11  TrenchBroom is distributed in the hope that it will be useful,
12  but WITHOUT ANY WARRANTY; without even the implied warranty of
13  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  GNU General Public License for more details.
15 
16  You should have received a copy of the GNU General Public License
17  along with TrenchBroom. If not, see <http://www.gnu.org/licenses/>.
18  */
19 
20 #ifndef TrenchBroom_ToolChain
21 #define TrenchBroom_ToolChain
22 
23 #include "StringUtils.h"
24 
25 namespace TrenchBroom {
26     namespace Model {
27         class PickResult;
28     }
29 
30     namespace Renderer {
31         class RenderBatch;
32         class RenderContext;
33     }
34 
35     namespace View {
36         class InputState;
37         class ToolController;
38 
39         class ToolChain {
40         private:
41             ToolController* m_tool;
42             ToolChain* m_suffix;
43         public:
44             ToolChain();
45             ~ToolChain();
46 
47             void append(ToolController* adapter);
48 
49             void pick(const InputState& inputState, Model::PickResult& pickResult);
50 
51             void modifierKeyChange(const InputState& inputState);
52 
53             void mouseDown(const InputState& inputState);
54             void mouseUp(const InputState& inputState);
55             bool mouseClick(const InputState& inputState);
56             bool mouseDoubleClick(const InputState& inputState);
57             void mouseScroll(const InputState& inputState);
58             void mouseMove(const InputState& inputState);
59 
60             ToolController* startMouseDrag(const InputState& inputState);
61             ToolController* dragEnter(const InputState& inputState, const String& payload);
62 
63             void setRenderOptions(const InputState& inputState, Renderer::RenderContext& renderContext) const;
64             void render(const InputState& inputState, Renderer::RenderContext& renderContext, Renderer::RenderBatch& renderBatch);
65 
66             bool cancel();
67         private:
68             bool checkInvariant() const;
69             bool chainEndsHere() const;
70         };
71     }
72 }
73 
74 #endif /* defined(TrenchBroom_ToolChain) */
75