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_CameraTool2D 21 #define TrenchBroom_CameraTool2D 22 23 #include "VecMath.h" 24 #include "View/Tool.h" 25 #include "View/ToolController.h" 26 #include "View/ViewTypes.h" 27 28 namespace TrenchBroom { 29 namespace Renderer { 30 class OrthographicCamera; 31 } 32 33 namespace View { 34 class CameraTool2D : public ToolControllerBase<NoPickingPolicy, NoKeyPolicy, MousePolicy, MouseDragPolicy, NoRenderPolicy, NoDropPolicy>, public Tool { 35 private: 36 Renderer::OrthographicCamera& m_camera; 37 Vec2f m_lastMousePos; 38 public: 39 CameraTool2D(Renderer::OrthographicCamera& camera); 40 private: 41 Tool* doGetTool(); 42 43 void doMouseScroll(const InputState& inputState); 44 bool doStartMouseDrag(const InputState& inputState); 45 bool doMouseDrag(const InputState& inputState); 46 void doEndMouseDrag(const InputState& inputState); 47 void doCancelMouseDrag(); 48 49 bool zoom(const InputState& inputState) const; 50 bool look(const InputState& inputState) const; 51 bool pan(const InputState& inputState) const; 52 53 bool doCancel(); 54 }; 55 } 56 } 57 58 #endif /* defined(TrenchBroom_CameraTool2D) */ 59