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1 /**************************************************************************** |
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2 ** |
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3 ** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies). |
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4 ** All rights reserved. |
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5 ** Contact: Nokia Corporation (developer.feedback@nokia.com) |
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6 ** |
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7 ** This file is part of the HbWidgets module of the UI Extensions for Mobile. |
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8 ** |
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9 ** GNU Lesser General Public License Usage |
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10 ** This file may be used under the terms of the GNU Lesser General Public |
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11 ** License version 2.1 as published by the Free Software Foundation and |
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12 ** appearing in the file LICENSE.LGPL included in the packaging of this file. |
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13 ** Please review the following information to ensure the GNU Lesser General |
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14 ** Public License version 2.1 requirements will be met: |
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15 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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16 ** |
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17 ** In addition, as a special exception, Nokia gives you certain additional |
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18 ** rights. These rights are described in the Nokia Qt LGPL Exception |
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19 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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20 ** |
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21 ** If you have questions regarding the use of this file, please contact |
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22 ** Nokia at developer.feedback@nokia.com. |
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23 ** |
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24 ****************************************************************************/ |
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25 |
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26 #include "hbtextedit.h" |
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27 #include "hbtextedit_p.h" |
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28 |
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29 #include <QTextCursor> |
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30 |
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31 #ifdef HB_TEXT_MEASUREMENT_UTILITY |
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32 #include "hbtextmeasurementutility_p.h" |
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33 #include "hbfeaturemanager_p.h" |
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34 #endif //HB_TEXT_MEASUREMENT_UTILITY |
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35 |
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36 /*! |
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37 \class HbTextEdit |
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38 \brief Multiline rich-text editor supporting HTML-style tags and WYSIWYG editing. |
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39 @proto |
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40 @hbwidgets |
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41 |
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42 Internally it uses QTextDocument to handle the content. It is also exposed in the API and it can be manipulated directly. |
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43 HbTextEdit also has one cursor that can be controlled with the API. |
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44 |
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45 HbTextEdit can load either plaintext or HTML formatted files. See Qt documentation about available formatting. |
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46 |
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47 */ |
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48 /*! |
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49 Constructs an empty HbLineEdit with parent \a parent. |
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50 */ |
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51 HbTextEdit::HbTextEdit (QGraphicsItem *parent) : |
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52 HbAbstractEdit(*new HbTextEditPrivate, parent) |
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53 { |
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54 Q_D(HbTextEdit); |
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55 d->q_ptr = this; |
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56 |
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57 d->init(); |
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58 } |
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59 |
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60 /*! |
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61 Constructs a HbTextEdit with parent \a parent. |
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62 The text edit will display the text \a text. |
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63 */ |
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64 HbTextEdit::HbTextEdit (const QString &text, QGraphicsItem *parent) : |
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65 HbAbstractEdit(*new HbTextEditPrivate, parent) |
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66 { |
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67 Q_D(HbTextEdit); |
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68 d->q_ptr = this; |
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69 |
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70 d->init(); |
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71 |
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72 setPlainText(text); |
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73 } |
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74 |
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75 HbTextEdit::HbTextEdit (HbTextEditPrivate &dd, QGraphicsItem *parent) : |
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76 HbAbstractEdit(dd, parent) |
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77 { |
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78 Q_D(HbTextEdit); |
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79 d->q_ptr = this; |
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80 |
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81 d->init(); |
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82 } |
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83 |
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84 /*! |
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85 Destructor. |
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86 */ |
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87 HbTextEdit::~HbTextEdit () |
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88 { |
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89 } |
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90 |
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91 /*! |
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92 \reimp |
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93 */ |
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94 int HbTextEdit::type () const |
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95 { |
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96 return Type; |
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97 } |
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98 |
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99 /*! |
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100 Replaces the document used in the editor. |
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101 |
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102 This allows |
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103 */ |
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104 void HbTextEdit::setDocument(QTextDocument *document) |
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105 { |
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106 HbAbstractEdit::setDocument(document); |
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107 } |
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108 |
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109 QTextDocument *HbTextEdit::document() const |
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110 { |
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111 return HbAbstractEdit::document(); |
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112 } |
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113 |
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114 void HbTextEdit::setTextCursor(const QTextCursor &cursor) |
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115 { |
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116 HbAbstractEdit::setTextCursor(cursor); |
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117 } |
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118 |
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119 QTextCursor HbTextEdit::textCursor() const |
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120 { |
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121 return HbAbstractEdit::textCursor(); |
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122 } |
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123 |
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124 /*! |
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125 \reimp |
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126 */ |
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127 QString HbTextEdit::toHtml() const |
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128 { |
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129 return HbAbstractEdit::toHtml(); |
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130 } |
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131 |
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132 /*! |
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133 \reimp |
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134 */ |
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135 void HbTextEdit::setHtml(const QString &text) |
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136 { |
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137 HbAbstractEdit::setHtml(text); |
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138 } |
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139 |
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140 /*! |
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141 \reimp |
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142 */ |
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143 QString HbTextEdit::toPlainText () const |
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144 { |
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145 return HbAbstractEdit::toPlainText(); |
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146 } |
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147 |
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148 /*! |
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149 \reimp |
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150 */ |
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151 void HbTextEdit::setPlainText (const QString &text) |
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152 { |
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153 QString txt( text ); |
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154 #ifdef HB_TEXT_MEASUREMENT_UTILITY |
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155 if ( HbFeatureManager::instance()->featureStatus( HbFeatureManager::TextMeasurement ) ) { |
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156 if (text.endsWith(QChar(LOC_TEST_END))) { |
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157 int index = text.indexOf(QChar(LOC_TEST_START)); |
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158 setProperty( HbTextMeasurementUtilityNameSpace::textIdPropertyName, text.mid(index + 1, text.indexOf(QChar(LOC_TEST_END)) - index - 1) ); |
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159 setProperty( HbTextMeasurementUtilityNameSpace::textMaxLines, -1 ); |
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160 txt = text.left(index); |
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161 } else { |
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162 setProperty( HbTextMeasurementUtilityNameSpace::textIdPropertyName, QVariant::Invalid ); |
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163 } |
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164 } |
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165 #endif //HB_TEXT_MEASUREMENT_UTILITY |
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166 HbAbstractEdit::setPlainText(txt); |
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167 } |
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168 |
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169 /*! |
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170 \reimp |
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171 */ |
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172 void HbTextEdit::resizeEvent(QGraphicsSceneResizeEvent *event) |
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173 { |
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174 HbAbstractEdit::resizeEvent(event); |
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175 |
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176 document()->setTextWidth(primitive(HbStyle::P_Edit_text)->boundingRect().width()); |
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177 } |
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178 |
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179 |
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180 /*! |
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181 \reimp |
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182 reads custom parameters. |
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183 */ |
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184 void HbTextEdit::polish( HbStyleParameters& params ) |
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185 { |
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186 Q_D(HbTextEdit); |
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187 |
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188 const QString KTextRowLinesColorCSSName = "line-color"; |
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189 const QString KTextRowLinesWidthCSSName = "line-width"; |
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190 const QString KTextRowLinesEnabledCSSName = "line-enabled"; |
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191 |
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192 // ------ adding css parameters ------ |
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193 params.addParameter(KTextRowLinesColorCSSName, Qt::magenta); |
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194 params.addParameter(KTextRowLinesWidthCSSName, 0.0); |
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195 params.addParameter(KTextRowLinesEnabledCSSName); |
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196 |
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197 HbAbstractEdit::polish(params); |
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198 |
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199 // ------ interpreting css parameters ------ |
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200 QVariant param = params.value( KTextRowLinesEnabledCSSName ); |
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201 d->mShowTextBaseLine = param.toBool(); |
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202 |
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203 param = params.value(KTextRowLinesColorCSSName); |
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204 if(param.canConvert(QVariant::Color)) { |
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205 d->mTextBaseLinePen.setColor(param.value<QColor>()); |
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206 } |
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207 |
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208 param = params.value(KTextRowLinesWidthCSSName); |
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209 if(param.canConvert(QVariant::Double)) { |
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210 d->mTextBaseLinePen.setWidthF(qMax(param.toDouble(), 0.0)); |
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211 } |
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212 } |
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213 |
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214 /*! |
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215 \reimp |
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216 */ |
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217 void HbTextEdit::focusOutEvent(QFocusEvent * event) |
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218 { |
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219 HbAbstractEdit::focusOutEvent(event); |
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220 setBackgroundItem(HbStyle::P_TextEdit_frame_normal); |
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221 } |
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222 |
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223 /*! |
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224 \reimp |
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225 */ |
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226 void HbTextEdit::focusInEvent(QFocusEvent * event) |
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227 { |
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228 HbAbstractEdit::focusInEvent(event); |
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229 setBackgroundItem(HbStyle::P_TextEdit_frame_highlight); |
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230 } |
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231 |