1 /* 2 * Copyright (C) 2002 - David W. Durham 3 * 4 * This file is part of ReZound, an audio editing application. 5 * 6 * ReZound is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published 8 * by the Free Software Foundation; either version 2 of the License, 9 * or (at your option) any later version. 10 * 11 * ReZound is distributed in the hope that it will be useful, but 12 * 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 this program; if not, write to the Free Software 18 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA 19 */ 20 21 #ifndef __CSelectionEdit_H__ 22 #define __CSelectionEdit_H__ 23 24 #include "../../../config/common.h" 25 26 27 #include "../AAction.h" 28 29 enum Selections 30 { 31 sSelectAll=0, // select everything 32 sSelectToBeginning=1, // make start selection position move to the beginning 33 sSelectToEnd=2, // make stop selection position move to the end 34 sFlopToBeginning=3, // move the stop position to the start position and then the start position to the beginning 35 sFlopToEnd=4, // move the start position to the stop position and then the stop position to the end 36 sSelectToSelectStart=5, // move the start position forward to the stop position 37 sSelectToSelectStop=6, // move the stop position backward to the start position 38 // !!! If I add more... change gSelectionNames AND gSelectionDescriptions in CSelectionEdit.cpp !!! 39 40 41 // --- and below no need to change gSelectionNames or gSelectiondescriptions -------------- 42 43 sSetSelectionPositions, 44 45 sGrowSelectionToTheLeft, 46 sGrowSelectionToTheRight, 47 sGrowSelectionInBothDirections, 48 sSlideSelectionToTheLeft, 49 sSlideSelectionToTheRight 50 }; 51 52 53 class CSelectionEdit : public AAction 54 { 55 public: 56 /* 57 For selection changes, actionSound is to have the undoPositions 58 and the new positions are passed in as parameters or a predefined 59 selection. 60 */ 61 CSelectionEdit(const AActionFactory *factory,const CActionSound *actionSound,Selections selection); 62 CSelectionEdit(const AActionFactory *factory,const CActionSound *actionSound,Selections selection,const double amount); 63 CSelectionEdit(const AActionFactory *factory,const CActionSound *actionSound,sample_pos_t selectStart,sample_pos_t selectStop); 64 virtual ~CSelectionEdit(); 65 66 67 protected: 68 bool doActionSizeSafe(CActionSound *actionSound,bool prepareForUndo); 69 void undoActionSizeSafe(const CActionSound *actionSound); 70 CanUndoResults canUndo(const CActionSound *actionSound) const; 71 72 bool doesWarrantSaving() const; 73 74 private: 75 76 Selections selection; 77 const double amount; // used if seleciton is sGrow... or sSlide... 78 sample_pos_t selectStart,selectStop; 79 80 }; 81 82 /* 83 * Here the factory has a parameter of how to construct the action before 84 * it's performed. This is because a selection edit is fairly simple and 85 * I didn't want to create a differen AAction derivation for each type of 86 * selection change 87 */ 88 89 class CSelectionEditFactory : public AActionFactory 90 { 91 public: 92 CSelectionEditFactory(Selections selection); 93 virtual ~CSelectionEditFactory(); 94 95 CSelectionEdit *manufactureAction(const CActionSound *actionSound,const CActionParameters *actionParameters) const; 96 97 private: 98 Selections selection; 99 }; 100 101 /* 102 * Here is another factory for the same CSelectionAction which has specific 103 * positions to use for the selection change 104 */ 105 class CSelectionEditPositionFactory : public AActionFactory 106 { 107 public: 108 CSelectionEditPositionFactory(); 109 virtual ~CSelectionEditPositionFactory(); 110 111 CSelectionEdit *manufactureAction(const CActionSound *actionSound,const CActionParameters *actionParameters) const; 112 113 sample_pos_t selectStart,selectStop; 114 }; 115 116 117 class CGrowOrSlideSelectionEditFactory : public AActionFactory 118 { 119 public: 120 CGrowOrSlideSelectionEditFactory(AActionDialog *normalDialog); // selection will be sGrow... or sSlide 121 virtual ~CGrowOrSlideSelectionEditFactory(); 122 123 CSelectionEdit *manufactureAction(const CActionSound *actionSound,const CActionParameters *actionParameters) const; 124 }; 125 126 127 #endif 128