1 /* |
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2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * |
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16 */ |
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17 |
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18 #include <QGraphicsSceneMouseEvent> |
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19 #include "msgunifiededitorlineedit.h" |
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20 |
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21 const QRegExp expr("[,;\n]$"); |
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22 const QRegExp sepAtEnd("; $"); |
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23 const QRegExp sepAtMiddle("; "); |
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24 |
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25 const QString replacementStr("; "); |
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26 const QString labelSeperator(": "); |
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27 |
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28 const int fadedAlpha(125); |
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29 const int solidAlpha(255); |
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30 |
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31 const int SNAP_DELAY = 350; |
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32 |
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33 MsgUnifiedEditorLineEdit::MsgUnifiedEditorLineEdit(const QString& label,QGraphicsItem *parent): |
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34 HbLineEdit(parent), |
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35 mSelectionStart(-1), |
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36 mSelectionEnd(-1), |
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37 mDefaultBehaviour(false) |
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38 { |
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39 QString labelStr = label.trimmed(); |
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40 |
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41 QTextCursor cursor(this->textCursor()); |
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42 QTextCharFormat colorFormat(cursor.charFormat()); |
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43 |
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44 QColor fgColor = this->palette().color(QPalette::Text); |
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45 fgColor.setAlpha(fadedAlpha); |
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46 colorFormat.setForeground(fgColor); |
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47 cursor.insertText(labelStr , colorFormat); |
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48 |
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49 fgColor.setAlpha(solidAlpha); |
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50 colorFormat.setForeground(fgColor); |
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51 |
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52 cursor.insertText(" ",colorFormat); |
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53 |
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54 mLabelExpr.setPattern(QString("^"+labelStr+" $")); |
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55 mLabel = labelStr+" "; |
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56 |
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57 connect(this,SIGNAL(selectionChanged(QTextCursor,QTextCursor)), |
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58 this,SLOT(selectionChanged(QTextCursor,QTextCursor))); |
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59 connect(this, SIGNAL(contentsChanged()), this, SLOT(onContentsChanged())); |
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60 } |
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61 |
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62 MsgUnifiedEditorLineEdit::~MsgUnifiedEditorLineEdit() |
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63 { |
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64 } |
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65 |
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66 void MsgUnifiedEditorLineEdit::inputMethodEvent(QInputMethodEvent *event) |
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67 { |
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68 //let it go in default way. |
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69 if(mDefaultBehaviour) |
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70 { |
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71 HbAbstractEdit::inputMethodEvent(event); |
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72 event->accept(); |
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73 return; |
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74 } |
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75 |
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76 if (!event->commitString().isEmpty() || event->replacementLength()) |
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77 { |
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78 if (event->commitString().contains(expr)) |
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79 { |
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80 if(this->text().isEmpty() || this->text().contains(sepAtEnd) || this->text().contains(mLabelExpr)) |
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81 { |
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82 event->accept(); |
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83 return; |
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84 } |
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85 |
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86 this->setCursorPosition(this->text().length()); |
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87 |
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88 QString str = event->commitString(); |
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89 str.replace(expr, replacementStr); |
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90 |
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91 event->setCommitString(str, event->replacementStart(), event->replacementLength()); |
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92 } |
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93 else if(this->hasSelectedText()) |
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94 {// all user inputs get appended at the end |
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95 this->setCursorPosition(this->text().length()); |
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96 } |
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97 |
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98 HbAbstractEdit::inputMethodEvent(event); |
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99 event->accept(); |
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100 } |
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101 } |
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102 |
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103 void MsgUnifiedEditorLineEdit::keyPressEvent(QKeyEvent *event) |
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104 { |
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105 QString str = event->text(); |
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106 |
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107 if(event->key()== Qt::Key_Enter || event->key()== Qt::Key_Return) |
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108 { |
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109 if(mDefaultBehaviour) |
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110 { |
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111 HbAbstractEdit::keyReleaseEvent(event); |
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112 event->accept(); |
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113 return; |
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114 } |
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115 if(this->text().isEmpty() || this->text().contains(sepAtEnd) || this->text().contains(mLabelExpr)) |
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116 { |
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117 event->accept(); |
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118 return; |
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119 } |
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120 this->setCursorPosition(this->text().length()); |
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121 str = replacementStr; |
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122 QKeyEvent eve(event->type(), Qt::Key_Any, event->modifiers(), str); |
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123 HbAbstractEdit::keyPressEvent(&eve); |
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124 event->accept(); |
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125 return; |
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126 } |
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127 |
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128 if(event->key() == Qt::Key_Backspace || event->key() == Qt::Key_Delete ) |
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129 { |
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130 int pos = this->cursorPosition(); |
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131 bool pbkContact = true; |
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132 |
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133 if(!this->hasSelectedText()) |
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134 { |
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135 this->setCursorPosition(pos-2); |
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136 pbkContact = this->textCursor().charFormat().fontUnderline(); |
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137 this->setCursorPosition(pos); |
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138 } |
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139 |
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140 QString text = this->text(); |
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141 text = text.left(pos); |
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142 |
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143 if(text.contains(mLabelExpr)) |
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144 { |
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145 event->accept(); |
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146 return; |
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147 } |
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148 |
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149 if(pbkContact) |
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150 { |
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151 //if already selected delete it. |
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152 if(this->hasSelectedText()) |
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153 { |
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154 // deleting phbkContact is an atomic operation |
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155 // ensure that the signal is emitted only once |
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156 disconnect(this, SIGNAL(contentsChanged()), |
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157 this, SLOT(onContentsChanged())); |
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158 HbLineEdit::keyPressEvent(event); |
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159 event->accept(); |
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160 //delete seperator (i.e."; "). |
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161 QKeyEvent eve(event->type(), Qt::Key_Delete, Qt::NoModifier); |
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162 HbLineEdit::keyPressEvent(&eve); |
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163 HbLineEdit::keyPressEvent(&eve); |
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164 connect(this, SIGNAL(contentsChanged()), |
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165 this, SLOT(onContentsChanged())); |
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166 onContentsChanged(); |
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167 } |
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168 else //make it selected |
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169 { |
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170 this->setCursorPosition(pos-3); |
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171 setHighlight(pos-3); |
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172 } |
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173 } |
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174 else |
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175 { |
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176 QString str = text.right(2); |
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177 if(str == replacementStr) |
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178 { |
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179 // deleting contact is an atomic operation |
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180 // ensure that the signal is emitted only once |
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181 disconnect(this, SIGNAL(contentsChanged()), |
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182 this, SLOT(onContentsChanged())); |
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183 //delete seperator (i.e."; "). |
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184 QKeyEvent eve(event->type(), Qt::Key_Backspace, Qt::NoModifier); |
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185 HbLineEdit::keyPressEvent(&eve); |
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186 HbLineEdit::keyPressEvent(&eve); |
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187 connect(this, SIGNAL(contentsChanged()), |
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188 this, SLOT(onContentsChanged())); |
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189 onContentsChanged(); |
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190 } |
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191 else |
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192 { |
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193 HbLineEdit::keyPressEvent(event); |
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194 } |
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195 event->accept(); |
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196 } |
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197 |
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198 event->accept(); |
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199 return; |
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200 } |
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201 |
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202 if (event->key() == Qt::Key_Left ) |
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203 { |
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204 bool selectedText = this->hasSelectedText(); |
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205 |
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206 //look ahead left. |
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207 int pos = this->cursorPosition(); |
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208 |
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209 QString text = this->text(); |
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210 text = text.left(pos); |
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211 |
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212 //no text other than label; |
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213 if(text.contains(mLabelExpr)) |
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214 { |
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215 event->accept(); |
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216 return; |
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217 } |
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218 |
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219 //look for next seperator while going left. |
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220 int newPos = text.lastIndexOf(sepAtMiddle); |
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221 |
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222 if(newPos < 0 && selectedText) |
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223 { |
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224 event->accept(); |
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225 return; |
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226 } |
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227 |
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228 bool pbkContact = true; |
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229 |
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230 if(!selectedText) |
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231 { |
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232 this->setCursorPosition(pos-2); |
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233 pbkContact = this->textCursor().charFormat().fontUnderline(); |
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234 this->setCursorPosition(pos); |
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235 } |
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236 else |
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237 { |
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238 this->setCursorPosition(newPos); |
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239 pbkContact = this->textCursor().charFormat().fontUnderline(); |
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240 this->setCursorPosition(pos); |
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241 } |
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242 |
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243 |
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244 if(pbkContact && newPos >0) |
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245 { |
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246 |
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247 setHighlight(newPos-1); |
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248 } |
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249 else |
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250 { |
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251 //move left, char by char. if seperator met jump over it. |
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252 if( (newPos > 0 && selectedText) || (pos-2 == newPos)) |
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253 { |
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254 this->setCursorPosition(newPos+1); |
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255 } |
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256 |
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257 HbLineEdit::keyPressEvent(event); |
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258 |
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259 } |
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260 event->accept(); |
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261 return; |
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262 } |
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263 |
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264 if (event->key() == Qt::Key_Right) |
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265 { |
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266 bool selectedText = this->hasSelectedText(); |
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267 |
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268 //look ahead. |
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269 int pos = this->cursorPosition(); |
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270 this->setCursorPosition(pos+3); |
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271 bool pbkContact = this->textCursor().charFormat().fontUnderline(); |
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272 this->setCursorPosition(pos); |
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273 |
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274 //look for next seperator. |
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275 QString text = this->text(); |
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276 int newPos = text.indexOf(sepAtMiddle,pos+2); |
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277 |
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278 if(pbkContact && newPos >0) |
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279 { |
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280 this->setCursorPosition(newPos-1); |
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281 setHighlight(newPos-1); |
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282 } |
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283 else |
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284 { |
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285 int seperatorPos = text.indexOf(sepAtMiddle,pos); |
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286 |
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287 if(selectedText || seperatorPos == pos) |
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288 { |
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289 this->setCursorPosition(pos+1); |
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290 this->deselect(); |
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291 } |
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292 HbAbstractEdit::keyPressEvent(event); |
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293 } |
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294 event->accept(); |
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295 return; |
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296 } |
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297 |
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298 if(!str.isEmpty()) |
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299 { |
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300 if(mDefaultBehaviour) |
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301 { |
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302 HbAbstractEdit::keyPressEvent(event); |
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303 event->accept(); |
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304 return; |
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305 } |
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306 if (str.contains(expr)) |
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307 { |
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308 if(this->text().isEmpty() || this->text().contains(sepAtEnd) || this->text().contains(mLabelExpr)) |
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309 { |
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310 event->accept(); |
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311 return; |
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312 } |
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313 |
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314 // auto-complete the last incomplete word |
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315 int contentLength = this->text().length(); |
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316 int pos = this->cursorPosition(); |
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317 QString incompleteWord(this->text().right(contentLength-(pos-1))); |
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318 if(!incompleteWord.contains(sepAtMiddle)) |
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319 { |
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320 this->setCursorPosition(this->text().length()); |
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321 } |
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322 |
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323 str.replace(expr, replacementStr); |
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324 QKeyEvent eve(event->type(), event->key(), event->modifiers(), str); |
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325 HbAbstractEdit::keyPressEvent(&eve); |
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326 } |
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327 else |
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328 { |
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329 HbAbstractEdit::keyPressEvent(event); |
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330 event->accept(); |
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331 return; |
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332 } |
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333 } |
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334 } |
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335 |
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336 void MsgUnifiedEditorLineEdit::mouseReleaseEvent(QGraphicsSceneMouseEvent* event) |
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337 { |
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338 HbAbstractEdit::mouseReleaseEvent(event); |
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339 |
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340 int currentPos = this->cursorPosition(); |
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341 |
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342 QString txt = this->text(); |
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343 |
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344 QString tempTxt = txt.left(currentPos+2); |
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345 int seperatorPos = tempTxt.lastIndexOf(sepAtMiddle,currentPos); |
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346 |
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347 txt = txt.right(txt.length() - currentPos); |
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348 int labelPos = txt.indexOf(labelSeperator); |
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349 |
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350 if(labelPos >= 0 )//pressed on label. |
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351 { |
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352 this->setCursorPosition(currentPos + labelPos + 2); |
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353 } |
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354 else if(seperatorPos == currentPos-1 || seperatorPos == currentPos)//pressed just on seperator. |
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355 { |
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356 this->setCursorPosition(seperatorPos+2); |
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357 } |
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358 else |
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359 { |
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360 this->setCursorPosition(currentPos+1); |
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361 bool pbkContact = this->textCursor().charFormat().fontUnderline(); |
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362 if(pbkContact) |
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363 { |
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364 setHighlight(currentPos); |
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365 } |
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366 } |
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367 |
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368 this->update(); |
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369 event->accept(); |
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370 } |
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371 |
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372 void MsgUnifiedEditorLineEdit::setText(const QString& text, bool underlined) |
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373 { |
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374 |
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375 if(!mDefaultBehaviour) |
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376 { |
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377 // atomic operation, ensure one signal only at the end |
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378 disconnect(this, SIGNAL(contentsChanged()), this, SLOT(onContentsChanged())); |
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379 |
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380 //make sure previous text is complete. |
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381 if(this->content().length() > 0) |
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382 { |
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383 QInputMethodEvent e; |
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384 e.setCommitString(";"); |
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385 this->inputMethodEvent(&e); |
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386 } |
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387 this->setCursorPosition(this->text().length()); |
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388 |
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389 QTextCursor cursor(this->textCursor()); |
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390 QTextCharFormat colorFormat(cursor.charFormat()); |
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391 if(underlined) |
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392 { |
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393 QColor fgColor = colorFormat.foreground().color(); |
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394 fgColor.setAlpha(fadedAlpha); |
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395 colorFormat.setUnderlineColor(fgColor); |
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396 colorFormat.setFontUnderline(true); |
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397 } |
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398 cursor.insertText(text , colorFormat); |
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399 colorFormat.setFontUnderline(false); |
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400 |
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401 cursor.insertText(replacementStr,colorFormat); |
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402 connect(this, SIGNAL(contentsChanged()), this, SLOT(onContentsChanged())); |
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403 onContentsChanged(); |
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404 } |
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405 else |
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406 { |
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407 this->setCursorPosition(this->text().length()); |
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408 QTextCursor cursor(this->textCursor()); |
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409 cursor.insertText(text); |
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410 } |
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411 } |
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412 |
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413 QStringList MsgUnifiedEditorLineEdit::addresses() |
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414 { |
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415 QString text = this->content(); |
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416 QStringList list = text.split(replacementStr,QString::SkipEmptyParts); |
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417 return list; |
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418 } |
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419 |
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420 void MsgUnifiedEditorLineEdit::focusInEvent(QFocusEvent* event) |
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421 { |
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422 HbLineEdit::focusInEvent(event); |
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423 this->setCursorVisibility(Hb::TextCursorVisible); |
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424 } |
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425 |
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426 void MsgUnifiedEditorLineEdit::focusOutEvent(QFocusEvent* event) |
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427 { |
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428 HbLineEdit::focusOutEvent(event); |
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429 this->setCursorVisibility(Hb::TextCursorHidden); |
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430 } |
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431 |
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432 void MsgUnifiedEditorLineEdit::setHighlight(int currentPos) |
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433 { |
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434 QString txt = this->text(); |
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435 |
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436 int endPos = qMax(txt.indexOf(sepAtMiddle,currentPos), |
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437 txt.indexOf(labelSeperator,currentPos)); |
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438 |
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439 int startPos = qMax(txt.lastIndexOf(sepAtMiddle,currentPos), |
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440 txt.lastIndexOf(labelSeperator,currentPos)); |
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441 |
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442 disconnect(this,SIGNAL(selectionChanged(QTextCursor,QTextCursor)), |
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443 this,SLOT(selectionChanged(QTextCursor,QTextCursor))); |
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444 |
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445 //highlight if pbk contact. |
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446 if(startPos > 0 && endPos > 0 && startPos != endPos) |
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447 { |
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448 this->setSelection(startPos + 2, endPos - startPos - 2); |
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449 this->update(); |
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450 } |
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451 else |
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452 { |
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453 this->deselect(); |
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454 } |
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455 |
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456 this->update(); |
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457 |
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458 connect(this,SIGNAL(selectionChanged(QTextCursor,QTextCursor)), |
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459 this,SLOT(selectionChanged(QTextCursor,QTextCursor))); |
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460 } |
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461 |
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462 void MsgUnifiedEditorLineEdit::cut() |
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463 { |
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464 HbLineEdit::cut(); |
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465 //after cut delete seperator (i.e."; "). |
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466 QKeyEvent eve(QEvent::KeyPress, Qt::Key_Delete, Qt::NoModifier); |
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467 HbLineEdit::keyPressEvent(&eve); |
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468 HbLineEdit::keyPressEvent(&eve); |
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469 } |
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470 |
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471 void MsgUnifiedEditorLineEdit::selectAll() |
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472 { |
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473 //don't allow user to select every thing. |
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474 //do nothing. |
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475 } |
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476 |
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477 void MsgUnifiedEditorLineEdit::selectionChanged(const QTextCursor &oldCursor, const QTextCursor& newCursor) |
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478 { |
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479 |
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480 if(mSelectionSnapTimer.isActive()) |
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481 { |
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482 mSelectionSnapTimer.stop(); |
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483 } |
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484 |
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485 if(newCursor.selectionStart() < mLabel.length()) |
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486 { |
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487 this->setTextCursor(oldCursor); |
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488 return; |
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489 } |
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490 |
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491 if(!mDefaultBehaviour) |
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492 { |
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493 mSelectionStart = newCursor.selectionStart(); |
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494 mSelectionEnd = newCursor.selectionEnd(); |
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495 |
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496 if(mSelectionStart == mSelectionEnd ) |
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497 { |
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498 return; |
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499 } |
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500 |
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501 mSelectionSnapTimer.start(SNAP_DELAY,this); |
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502 } |
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503 } |
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504 |
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505 void MsgUnifiedEditorLineEdit::timerEvent(QTimerEvent *event) |
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506 { |
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507 //passing event to base class. |
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508 HbLineEdit::timerEvent(event); |
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509 |
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510 if (event->timerId() == mSelectionSnapTimer.timerId()) |
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511 { |
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512 mSelectionSnapTimer.stop(); |
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513 |
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514 disconnect(this,SIGNAL(selectionChanged(QTextCursor,QTextCursor)), |
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515 this,SLOT(selectionChanged(QTextCursor,QTextCursor))); |
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516 |
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517 QString txt = this->text(); |
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518 |
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519 int startPos = qMax(txt.lastIndexOf(sepAtMiddle,mSelectionStart), |
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520 txt.lastIndexOf(labelSeperator,mSelectionStart)); |
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521 |
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522 int endPos = qMax(txt.indexOf(sepAtMiddle,mSelectionEnd), |
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523 txt.indexOf(labelSeperator,mSelectionEnd)); |
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524 |
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525 if(endPos < 0 ) |
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526 { |
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527 endPos = mSelectionEnd; |
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528 } |
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529 |
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530 this->setSelection(startPos + 2, endPos - startPos - 2); |
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531 |
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532 connect(this,SIGNAL(selectionChanged(QTextCursor,QTextCursor)), |
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533 this,SLOT(selectionChanged(QTextCursor,QTextCursor))); |
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534 |
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535 event->accept(); |
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536 } |
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537 } |
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538 |
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539 void MsgUnifiedEditorLineEdit::setDefaultBehaviour(bool defaultBehaviour) |
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540 { |
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541 mDefaultBehaviour = defaultBehaviour; |
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542 } |
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543 |
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544 QString MsgUnifiedEditorLineEdit::text() const |
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545 { |
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546 return HbLineEdit::text(); |
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547 } |
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548 |
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549 QString MsgUnifiedEditorLineEdit::content() const |
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550 { |
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551 QString text = this->text(); |
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552 text.remove(mLabel); |
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553 return text; |
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554 } |
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555 |
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556 void MsgUnifiedEditorLineEdit::clearContent() |
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557 { |
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558 // avoid getting updates during local editing |
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559 disconnect(this, SIGNAL(contentsChanged()), this, SLOT(onContentsChanged())); |
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560 |
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561 int startPos = mLabel.length(); |
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562 this->setSelection(startPos, content().length()); |
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563 QKeyEvent eve(QEvent::KeyPress, Qt::Key_Backspace, Qt::NoModifier); |
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564 this->keyPressEvent(&eve); |
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565 this->deselect(); |
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566 |
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567 // re-connect signal to start getting updates |
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568 connect(this, SIGNAL(contentsChanged()), this, SLOT(onContentsChanged())); |
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569 } |
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570 |
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571 void MsgUnifiedEditorLineEdit::onContentsChanged() |
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572 { |
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573 emit contentsChanged(content()); |
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574 } |
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575 |
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576 void MsgUnifiedEditorLineEdit::highlightInvalidString(QString invalidStr) |
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577 { |
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578 // for only address editor |
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579 if(!mDefaultBehaviour) |
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580 { |
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581 QString txtContent = this->text(); |
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582 int searchStartPos = mLabel.length(); |
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583 int startPos = txtContent.indexOf(invalidStr, searchStartPos); |
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584 disconnect(this,SIGNAL(selectionChanged(QTextCursor,QTextCursor)), |
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585 this,SLOT(selectionChanged(QTextCursor,QTextCursor))); |
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586 // if invalidStr found |
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587 if(startPos > 0) |
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588 { |
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589 this->setSelection(startPos, invalidStr.length()); |
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590 } |
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591 connect(this,SIGNAL(selectionChanged(QTextCursor,QTextCursor)), |
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592 this,SLOT(selectionChanged(QTextCursor,QTextCursor))); |
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593 } |
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594 } |
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595 |
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596 // eof |
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