File indexing completed on 2024-12-22 04:07:23
0001 0002 /* 0003 Copyright (c) 2003-2007 Clarence Dang <dang@kde.org> 0004 All rights reserved. 0005 0006 Redistribution and use in source and binary forms, with or without 0007 modification, are permitted provided that the following conditions 0008 are met: 0009 0010 1. Redistributions of source code must retain the above copyright 0011 notice, this list of conditions and the following disclaimer. 0012 2. Redistributions in binary form must reproduce the above copyright 0013 notice, this list of conditions and the following disclaimer in the 0014 documentation and/or other materials provided with the distribution. 0015 0016 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 0017 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 0018 OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 0019 IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 0020 INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 0021 NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 0022 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 0023 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 0024 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 0025 THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 0026 */ 0027 0028 #define DEBUG_KP_TOOL_TEXT 0 0029 0030 0031 #include "kpToolTextEnterCommand.h" 0032 0033 #include "layers/selections/text/kpTextSelection.h" 0034 #include "views/manager/kpViewManager.h" 0035 0036 #include <QList> 0037 0038 0039 kpToolTextEnterCommand::kpToolTextEnterCommand (const QString &name, 0040 int row, int col, Action action, 0041 kpCommandEnvironment *environ) 0042 : kpNamedCommand (name, environ), 0043 m_row (row), m_col (col), 0044 m_numEnters (0) 0045 { 0046 viewManager ()->setTextCursorPosition (m_row, m_col); 0047 0048 if (action == AddEnterNow) { 0049 addEnter (); 0050 } 0051 } 0052 0053 kpToolTextEnterCommand::~kpToolTextEnterCommand () = default; 0054 0055 0056 // public 0057 void kpToolTextEnterCommand::addEnter () 0058 { 0059 QList <QString> textLines = textSelection ()->textLines (); 0060 0061 const QString rightHalf = textLines [m_row].mid (m_col); 0062 0063 textLines [m_row].truncate (m_col); 0064 textLines.insert (textLines.begin () + m_row + 1, rightHalf); 0065 0066 textSelection ()->setTextLines (textLines); 0067 0068 m_row++; 0069 m_col = 0; 0070 0071 viewManager ()->setTextCursorPosition (m_row, m_col); 0072 0073 m_numEnters++; 0074 } 0075 0076 0077 // public virtual [base kpCommand] 0078 kpCommandSize::SizeType kpToolTextEnterCommand::size () const 0079 { 0080 return 0; 0081 } 0082 0083 0084 // public virtual [base kpCommand] 0085 void kpToolTextEnterCommand::execute () 0086 { 0087 viewManager ()->setTextCursorPosition (m_row, m_col); 0088 int oldNumEnters = m_numEnters; 0089 m_numEnters = 0; 0090 0091 for (int i = 0; i < oldNumEnters; i++) { 0092 addEnter (); 0093 } 0094 } 0095 0096 // public virtual [base kpCommand] 0097 void kpToolTextEnterCommand::unexecute () 0098 { 0099 viewManager ()->setTextCursorPosition (m_row, m_col); 0100 0101 QList <QString> textLines = textSelection ()->textLines (); 0102 0103 for (int i = 0; i < m_numEnters; i++) 0104 { 0105 Q_ASSERT (m_col == 0); 0106 0107 if (m_row <= 0) { 0108 break; 0109 } 0110 0111 int newRow = m_row - 1; 0112 int newCol = textLines [newRow].length (); 0113 0114 textLines [newRow] += textLines [m_row]; 0115 0116 textLines.erase (textLines.begin () + m_row); 0117 0118 m_row = newRow; 0119 m_col = newCol; 0120 } 0121 0122 textSelection ()->setTextLines (textLines); 0123 0124 viewManager ()->setTextCursorPosition (m_row, m_col); 0125 } 0126