File indexing completed on 2024-09-22 04:00:57
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 "tools/selection/text/kpToolText.h" 0032 #include "kpToolTextPrivate.h" 0033 0034 #include <QList> 0035 0036 #include "kpLogCategories.h" 0037 #include "commands/kpCommandHistory.h" 0038 #include "document/kpDocument.h" 0039 #include "layers/selections/text/kpTextSelection.h" 0040 #include "commands/tools/selection/text/kpToolTextBackspaceCommand.h" 0041 #include "commands/tools/selection/text/kpToolTextChangeStyleCommand.h" 0042 #include "commands/tools/selection/kpToolSelectionCreateCommand.h" 0043 #include "environments/tools/selection/kpToolSelectionEnvironment.h" 0044 #include "commands/tools/selection/text/kpToolTextDeleteCommand.h" 0045 #include "commands/tools/selection/text/kpToolTextEnterCommand.h" 0046 #include "commands/tools/selection/text/kpToolTextInsertCommand.h" 0047 #include "widgets/toolbars/options/kpToolWidgetOpaqueOrTransparent.h" 0048 #include "views/kpView.h" 0049 #include "views/manager/kpViewManager.h" 0050 0051 // protected 0052 void kpToolText::handleUpKeyPress (QKeyEvent *e, 0053 const QList <QString> &textLines, int cursorRow, int cursorCol) 0054 { 0055 #if DEBUG_KP_TOOL_TEXT 0056 qCDebug(kpLogTools) << "\tup pressed"; 0057 #endif 0058 0059 if (hasBegunShape ()) { 0060 endShape (currentPoint (), normalizedRect ()); 0061 } 0062 0063 if (!textLines.isEmpty () && cursorRow > 0) 0064 { 0065 cursorRow--; 0066 cursorCol = qMin (cursorCol, textLines [cursorRow].length ()); 0067 viewManager ()->setTextCursorPosition (cursorRow, cursorCol); 0068 } 0069 0070 e->accept (); 0071 } 0072 0073 // protected 0074 void kpToolText::handleDownKeyPress (QKeyEvent *e, 0075 const QList <QString> &textLines, int cursorRow, int cursorCol) 0076 { 0077 #if DEBUG_KP_TOOL_TEXT 0078 qCDebug(kpLogTools) << "\tdown pressed"; 0079 #endif 0080 0081 if (hasBegunShape ()) { 0082 endShape (currentPoint (), normalizedRect ()); 0083 } 0084 0085 if (!textLines.isEmpty () && cursorRow < textLines.size () - 1) 0086 { 0087 cursorRow++; 0088 cursorCol = qMin (cursorCol, textLines [cursorRow].length ()); 0089 viewManager ()->setTextCursorPosition (cursorRow, cursorCol); 0090 } 0091 0092 e->accept (); 0093 } 0094 0095 // protected 0096 void kpToolText::handleLeftKeyPress (QKeyEvent *e, 0097 const QList <QString> &textLines, int cursorRow, int cursorCol) 0098 { 0099 #if DEBUG_KP_TOOL_TEXT 0100 qCDebug(kpLogTools) << "\tleft pressed"; 0101 #endif 0102 0103 if (hasBegunShape ()) { 0104 endShape (currentPoint (), normalizedRect ()); 0105 } 0106 0107 if (!textLines.isEmpty ()) 0108 { 0109 if ((e->modifiers () & Qt::ControlModifier) == 0) 0110 { 0111 #if DEBUG_KP_TOOL_TEXT 0112 qCDebug(kpLogTools) << "\tmove single char"; 0113 #endif 0114 0115 MoveCursorLeft (textLines, &cursorRow, &cursorCol); 0116 viewManager ()->setTextCursorPosition (cursorRow, cursorCol); 0117 } 0118 else 0119 { 0120 #if DEBUG_KP_TOOL_TEXT 0121 qCDebug(kpLogTools) << "\tmove to start of word"; 0122 #endif 0123 0124 MoveCursorToWordStart (textLines, &cursorRow, &cursorCol); 0125 viewManager ()->setTextCursorPosition (cursorRow, cursorCol); 0126 } 0127 } 0128 0129 e->accept (); 0130 } 0131 0132 // protected 0133 void kpToolText::handleRightKeyPress (QKeyEvent *e, 0134 const QList <QString> &textLines, int cursorRow, int cursorCol) 0135 { 0136 #if DEBUG_KP_TOOL_TEXT 0137 qCDebug(kpLogTools) << "\tright pressed"; 0138 #endif 0139 0140 if (hasBegunShape ()) { 0141 endShape (currentPoint (), normalizedRect ()); 0142 } 0143 0144 if (!textLines.isEmpty ()) 0145 { 0146 if ((e->modifiers () & Qt::ControlModifier) == 0) 0147 { 0148 #if DEBUG_KP_TOOL_TEXT 0149 qCDebug(kpLogTools) << "\tmove single char"; 0150 #endif 0151 0152 MoveCursorRight (textLines, &cursorRow, &cursorCol); 0153 viewManager ()->setTextCursorPosition (cursorRow, cursorCol); 0154 } 0155 else 0156 { 0157 #if DEBUG_KP_TOOL_TEXT 0158 qCDebug(kpLogTools) << "\tmove to start of next word"; 0159 #endif 0160 0161 MoveCursorToNextWordStart (textLines, &cursorRow, &cursorCol); 0162 viewManager ()->setTextCursorPosition (cursorRow, cursorCol); 0163 } 0164 } 0165 0166 e->accept (); 0167 } 0168 0169 0170 // protected 0171 void kpToolText::handleHomeKeyPress (QKeyEvent *e, 0172 const QList <QString> &textLines, int cursorRow, int cursorCol) 0173 { 0174 #if DEBUG_KP_TOOL_TEXT 0175 qCDebug(kpLogTools) << "\thome pressed"; 0176 #endif 0177 0178 if (hasBegunShape ()) { 0179 endShape (currentPoint (), normalizedRect ()); 0180 } 0181 0182 if (!textLines.isEmpty ()) 0183 { 0184 if (e->modifiers () & Qt::ControlModifier) { 0185 cursorRow = 0; 0186 } 0187 0188 cursorCol = 0; 0189 0190 viewManager ()->setTextCursorPosition (cursorRow, cursorCol); 0191 } 0192 0193 e->accept (); 0194 } 0195 0196 // protected 0197 void kpToolText::handleEndKeyPress (QKeyEvent *e, 0198 const QList <QString> &textLines, int cursorRow, int cursorCol) 0199 { 0200 #if DEBUG_KP_TOOL_TEXT 0201 qCDebug(kpLogTools) << "\tend pressed"; 0202 #endif 0203 0204 if (hasBegunShape ()) { 0205 endShape (currentPoint (), normalizedRect ()); 0206 } 0207 0208 if (!textLines.isEmpty ()) 0209 { 0210 if (e->modifiers () & Qt::ControlModifier) { 0211 cursorRow = textLines.size () - 1; 0212 } 0213 0214 cursorCol = textLines [cursorRow].length (); 0215 0216 viewManager ()->setTextCursorPosition (cursorRow, cursorCol); 0217 } 0218 0219 e->accept (); 0220 }