Mercurial > fife-parpg

annotate engine/core/gui/widgets/utf8textbox.cpp @ 228:756b895e1dab

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Merged unicode-support back into trunk. Now all GUI/visible strings should be unicode. Internal strings unchanged. Remember to use a font that actually has the desired codepoints. Current default unicode policiy is 'ignore'.
author phoku@33b003aa-7bff-0310-803a-e67f0ece8222
date Sat, 21 Mar 2009 10:38:11 +0000
parents
children 64738befdf3b
rev   line source
228
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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1 /***************************************************************************
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2 * Copyright (C) 2009 by the FIFE team *
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3 * http://www.fifengine.de *
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4 * This file is part of FIFE. *
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5 * *
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6 * FIFE is free software; you can redistribute it and/or *
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7 * modify it under the terms of the GNU Lesser General Public *
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8 * License as published by the Free Software Foundation; either *
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9 * version 2.1 of the License, or (at your option) any later version. *
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10 * *
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11 * This library is distributed in the hope that it will be useful, *
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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14 * Lesser General Public License for more details. *
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15 * *
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16 * You should have received a copy of the GNU Lesser General Public *
756b895e1dab Merged unicode-support back into trunk.
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17 * License along with this library; if not, write to the *
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phoku@33b003aa-7bff-0310-803a-e67f0ece8222
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18 * Free Software Foundation, Inc., *
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19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
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20 ***************************************************************************/
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21
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22 // Standard C++ library includes
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23 #include <cassert>
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24
756b895e1dab Merged unicode-support back into trunk.
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25 // 3rd party library includes
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26
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27 // FIFE includes
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28 // These includes are split up in two parts, separated by one empty line
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29 // First block: files included from the FIFE root src directory
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30 // Second block: files included from the same folder
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31 #include "util/utf8/utf8.h"
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32
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33 #include "utf8textbox.h"
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34
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35 namespace gcn {
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36
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37 UTF8TextBox::UTF8TextBox(const std::string & text)
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38 :TextBox(text)
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39 {
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40 mStringEditor = new UTF8StringEditor();
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41 }
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42
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43 UTF8TextBox::~ UTF8TextBox()
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44 {
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45 delete mStringEditor;
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46 }
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47
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48 void UTF8TextBox::keyPressed(KeyEvent& keyEvent)
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49 {
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50 Key key = keyEvent.getKey();
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51
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52 if (key.getValue() == Key::LEFT)
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53 {
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54 if (mCaretColumn == 0)
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55 {
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56 if (mCaretRow > 0)
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57 {
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58 mCaretRow--;
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59 mCaretColumn = mTextRows[mCaretRow].size();
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60 }
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61 }
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62 else
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63 {
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64 mCaretColumn = mStringEditor->prevChar(mTextRows[mCaretRow], mCaretColumn);
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65 }
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66 }
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67 else if (key.getValue() == Key::RIGHT)
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68 {
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69 if (mCaretColumn < mTextRows[mCaretRow].size())
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70 {
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71 mCaretColumn = mStringEditor->nextChar(mTextRows[mCaretRow], mCaretColumn);
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72 }
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73 else
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74 {
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75 if (mCaretRow < mTextRows.size() - 1)
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76 {
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77 mCaretRow++;
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78 mCaretColumn = 0;
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79 }
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80 }
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81 }
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82 else if (key.getValue() == Key::DOWN)
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83 {
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84 setCaretRowUTF8(mCaretRow + 1);
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85 }
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86
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87 else if (key.getValue() == Key::UP)
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88 {
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89 setCaretRowUTF8(mCaretRow - 1);
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90 }
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91
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92 else if (key.getValue() == Key::HOME)
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93 {
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94 mCaretColumn = 0;
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95 }
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96
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97 else if (key.getValue() == Key::END)
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98 {
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99 mCaretColumn = mTextRows[mCaretRow].size();
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100 }
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101
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102 else if (key.getValue() == Key::ENTER && mEditable)
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103 {
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104 mTextRows.insert(mTextRows.begin() + mCaretRow + 1,
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105 mTextRows[mCaretRow].substr(mCaretColumn, mTextRows[mCaretRow].size() - mCaretColumn));
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106 mTextRows[mCaretRow].resize(mCaretColumn);
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107 ++mCaretRow;
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108 mCaretColumn = 0;
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109 }
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110
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111 else if (key.getValue() == Key::BACKSPACE
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112 && mCaretColumn != 0
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113 && mEditable)
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114 {
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115 mCaretColumn = mStringEditor->prevChar(mTextRows[mCaretRow], mCaretColumn);
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116 mCaretColumn = mStringEditor->eraseChar(mTextRows[mCaretRow], mCaretColumn);
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117 }
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118
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119 else if (key.getValue() == Key::BACKSPACE
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120 && mCaretColumn == 0
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121 && mCaretRow != 0
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
122 && mEditable)
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
123 {
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
124 mCaretColumn = mTextRows[mCaretRow - 1].size();
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
125 mTextRows[mCaretRow - 1] += mTextRows[mCaretRow];
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
126 mTextRows.erase(mTextRows.begin() + mCaretRow);
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
127 mCaretRow--;
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
128 }
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
129
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
130 else if (key.getValue() == Key::DELETE
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
131 && mCaretColumn < (int)mTextRows[mCaretRow].size()
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
132 && mEditable)
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
133 {
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
134 mCaretColumn = mStringEditor->eraseChar(mTextRows[mCaretRow], mCaretColumn);
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
135 }
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
136
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
137 else if (key.getValue() == Key::DELETE
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
138 && mCaretColumn == (int)mTextRows[mCaretRow].size()
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
139 && mCaretRow < ((int)mTextRows.size() - 1)
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
140 && mEditable)
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
141 {
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
142 mTextRows[mCaretRow] += mTextRows[mCaretRow + 1];
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
143 mTextRows.erase(mTextRows.begin() + mCaretRow + 1);
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
144 }
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
145
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
146 else if(key.getValue() == Key::PAGE_UP)
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
147 {
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
148 Widget* par = getParent();
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
149
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
150 if (par != NULL)
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
151 {
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
152 int rowsPerPage = par->getChildrenArea().height / getFont()->getHeight();
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
153 int chars = mStringEditor->countChars(mTextRows[mCaretRow], mCaretColumn);
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
154 mCaretRow -= rowsPerPage;
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
155
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
156 if (mCaretRow < 0)
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
157 {
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
158 mCaretRow = 0;
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
159 }
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
160 mCaretColumn = mStringEditor->getOffset(mTextRows[mCaretRow], chars);
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
161 }
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
162 }
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
163
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
164 else if(key.getValue() == Key::PAGE_DOWN)
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
165 {
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
166 Widget* par = getParent();
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
167
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
168 if (par != NULL)
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
169 {
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
170 int rowsPerPage = par->getChildrenArea().height / getFont()->getHeight();
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
171 int chars = mStringEditor->countChars(mTextRows[mCaretRow], mCaretColumn);
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
172 mCaretRow += rowsPerPage;
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
173
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
174 if (mCaretRow >= (int)mTextRows.size())
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
175 {
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
176 mCaretRow = mTextRows.size() - 1;
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
177 }
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
178
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
179 mCaretColumn = mStringEditor->getOffset(mTextRows[mCaretRow], chars);
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
180 }
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
181 }
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
182
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
183 else if(key.getValue() == Key::TAB
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
184 && mEditable)
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
185 {
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
186 // FIXME: jump X spaces, so mCaretColumn % TAB_SIZE = 0 and X <= TAB_SIZE
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
187 mTextRows[mCaretRow].insert(mCaretColumn,std::string(" "));
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
188 mCaretColumn += 4;
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
189 }
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
190
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
191 else if ((key.isCharacter() || key.getValue() > 255)
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
192 && mEditable)
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
193 {
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
194 mCaretColumn = mStringEditor->insertChar(mTextRows[mCaretRow], mCaretColumn, key.getValue());
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
195 }
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
196
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
197 adjustSize();
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
198 scrollToCaret();
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
199 assert( utf8::is_valid(mTextRows[mCaretRow].begin(),mTextRows[mCaretRow].end()) );
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
200 assert( utf8::is_valid(mTextRows[mCaretRow].begin(),mTextRows[mCaretRow].begin() + mCaretColumn) );
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
201 keyEvent.consume();
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
202 }
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
203
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
204
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
205 void UTF8TextBox::setCaretColumnUTF8(int column)
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
206 {
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
207 // no need to clip the column, mStringEditor handles it automaticly
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
208 mCaretColumn = mStringEditor->getOffset(mTextRows[mCaretRow], column);
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
209 }
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
210
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
211 void UTF8TextBox::setCaretRowUTF8(int row)
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
212 {
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
213 int chars = mStringEditor->countChars(mTextRows[mCaretRow], mCaretColumn);
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
214 if (row < 0) {
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
215 row = 0;
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
216 } else if (row >= mTextRows.size()) {
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
217 row = mTextRows.size() - 1;
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
218 }
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
219 mCaretRow = row;
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
220 mCaretColumn = mStringEditor->getOffset(mTextRows[mCaretRow], chars);
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
221 }
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
222
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
223 }
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
224
756b895e1dab Merged unicode-support back into trunk.
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
225