author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 19 Apr 2010 14:02:13 +0300 | |
changeset 0 | 16d8024aca5e |
child 1 | f7ac710697a9 |
permissions | -rw-r--r-- |
0
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/**************************************************************************** |
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** |
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** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies). |
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** All rights reserved. |
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** Contact: Nokia Corporation (developer.feedback@nokia.com) |
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** |
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** This file is part of the HbWidgets module of the UI Extensions for Mobile. |
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** |
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** GNU Lesser General Public License Usage |
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** This file may be used under the terms of the GNU Lesser General Public |
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** License version 2.1 as published by the Free Software Foundation and |
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** appearing in the file LICENSE.LGPL included in the packaging of this file. |
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** Please review the following information to ensure the GNU Lesser General |
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** Public License version 2.1 requirements will be met: |
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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** |
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** In addition, as a special exception, Nokia gives you certain additional |
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** rights. These rights are described in the Nokia Qt LGPL Exception |
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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** |
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** If you have questions regarding the use of this file, please contact |
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** Nokia at developer.feedback@nokia.com. |
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** |
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****************************************************************************/ |
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|
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// |
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// W A R N I N G |
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// ------------- |
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// |
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// This file is not part of the Hb API. It exists purely as an |
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// implementation detail. This file may change from version to |
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// version without notice, or even be removed. |
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// |
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// We mean it. |
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// |
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|
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#include "hblineedit_p.h" |
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#include "hblineedit.h" |
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#include "hbmeshlayout_p.h" |
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#include "hbcolorscheme.h" |
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|
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#include <QTextDocument> |
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#include <QTextBlock> |
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|
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HbLineEditPrivate::HbLineEditPrivate () : |
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HbAbstractEditPrivate(), |
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maxLength(-1), |
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expandable(false), |
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minimumRows(1), |
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maximumRows(1), |
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echoMode(HbLineEdit::Normal), |
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clearOnEdit(false), |
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emitTextChanged(true) |
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{ |
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} |
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HbLineEditPrivate::~HbLineEditPrivate () |
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{ |
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} |
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void HbLineEditPrivate::init() |
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{ |
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Q_Q(HbLineEdit); |
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QObject::connect(q, SIGNAL(selectionChanged(const QTextCursor &, const QTextCursor &)), |
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q, SIGNAL(selectionChanged())); |
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QObject::connect(doc, SIGNAL(contentsChange(int,int,int)), q, SLOT(_q_textChange(int,int,int))); |
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QObject::connect(q, SIGNAL(contentsChanged()), q, SLOT(_q_textChanged())); |
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|
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q->setScrollable(true); |
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scrollArea->setHorizontalScrollBarPolicy(HbScrollArea::ScrollBarAlwaysOff); |
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defaultWrapMode = doc->defaultTextOption().wrapMode(); // cannot be changed. |
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q->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed); |
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doc->documentLayout()->document()->setDocumentMargin(0); |
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q->setBackgroundItem(HbStyle::P_LineEdit_frame_normal); |
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updateWrappingMode(); |
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} |
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void HbLineEditPrivate::updatePaletteFromTheme() |
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{ |
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HbAbstractEditPrivate::updatePaletteFromTheme(); |
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Q_Q(HbLineEdit); |
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|
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QColor textColor = HbColorScheme::color("qtc_lineedit_normal"); |
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QColor selectedColor = HbColorScheme::color("qtc_lineedit_selected"); |
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QColor selectedBackground = HbColorScheme::color("qtc_lineedit_marker_normal"); |
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QPalette pal = q->palette(); |
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if (textColor.isValid()) { |
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pal.setColor(QPalette::Text, textColor); |
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} |
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if (selectedColor.isValid()) { |
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pal.setColor(QPalette::HighlightedText, selectedColor); |
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} |
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if (selectedBackground.isValid()) { |
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pal.setColor(QPalette::Highlight, selectedBackground); |
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} |
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q->setPalette(pal); |
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} |
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bool HbLineEditPrivate::forwardKeyEvent (QKeyEvent *event) |
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{ |
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|
104 |
Q_Q(HbLineEdit); |
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|
105 |
|
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|
106 |
bool result = true; |
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|
107 |
|
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108 |
// do not allow key events if at maximum length |
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109 |
if (maxLength != -1 && q->document()->begin().length() - 1 >= maxLength) { |
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110 |
if (event->key() != Qt::Key_Left |
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111 |
&& event->key() != Qt::Key_Right |
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112 |
&& event->key() != Qt::Key_Up |
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113 |
&& event->key() != Qt::Key_Down |
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114 |
&& event->key() != Qt::Key_Backspace |
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115 |
&& event->key() != Qt::Key_Delete) { |
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116 |
result = false; |
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117 |
} |
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118 |
} |
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119 |
|
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120 |
// do not allow line feed |
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121 |
if (event->key() == Qt::Key_Enter || event->key() == Qt::Key_Return) { |
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122 |
result = false; |
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123 |
} |
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124 |
|
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125 |
if (result) { |
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126 |
// Don not allow key events in HbLineEdit::Password or HbLineEdit::NoEcho mode |
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127 |
if (echoMode == HbLineEdit::Password || echoMode == HbLineEdit::NoEcho) { |
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128 |
result = false; |
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129 |
} |
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130 |
} |
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131 |
|
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132 |
return result; |
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133 |
} |
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|
134 |
|
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135 |
void HbLineEditPrivate::validateMaxLength() |
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136 |
{ |
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137 |
Q_Q(HbLineEdit); |
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138 |
QString text(q->text()); |
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|
139 |
|
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140 |
if (maxLength >= 0 && (text.length()) > maxLength) { |
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|
141 |
text.resize(maxLength); |
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142 |
QTextCursor cursor(doc); |
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143 |
cursor.setPosition(maxLength); |
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144 |
cursor.movePosition(QTextCursor::EndOfBlock, QTextCursor::KeepAnchor); |
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145 |
cursor.removeSelectedText(); |
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Revision: 201011
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|
146 |
if(isPasswordMode()) { |
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Revision: 201011
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|
147 |
passwordText.resize(maxLength); |
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148 |
} |
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|
149 |
} |
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150 |
} |
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|
151 |
|
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152 |
void HbLineEditPrivate::_q_textChanged() |
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153 |
{ |
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|
154 |
Q_Q(HbLineEdit); |
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|
155 |
|
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|
156 |
if(emitTextChanged && !isPasswordMode()) { |
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157 |
emit q->textChanged(q->text()); |
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158 |
} |
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159 |
} |
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|
160 |
|
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Revision: 201011
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161 |
void HbLineEditPrivate::_q_textChange(int position, int charsRemoved,int charsAdded) |
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162 |
{ |
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|
163 |
Q_UNUSED(position) |
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164 |
Q_UNUSED(charsRemoved) |
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|
165 |
|
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|
166 |
if(charsAdded == 0) return; |
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|
167 |
|
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|
168 |
emitTextChanged = false; |
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Revision: 201011
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|
169 |
validateMaxLength(); |
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|
170 |
emitTextChanged = true; |
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Revision: 201011
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|
171 |
} |
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|
172 |
|
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|
173 |
|
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|
174 |
void HbLineEditPrivate::updateEditingSize() |
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|
175 |
{ |
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|
176 |
Q_Q(HbLineEdit); |
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|
177 |
if (scrollArea) { |
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|
178 |
const int fontHeight = QFontMetrics(q->font()).height(); |
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|
179 |
scrollArea->setMinimumHeight(fontHeight * minimumRows); |
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Revision: 201011
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|
180 |
if (maximumRows == 1) { |
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|
181 |
scrollArea->setPreferredHeight(fontHeight); |
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Revision: 201011
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|
182 |
scrollArea->setScrollDirections(Qt::Horizontal); |
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|
183 |
} else { |
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|
184 |
scrollArea->setPreferredHeight(doc->documentLayout()->documentSize().height()); |
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Revision: 201011
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|
185 |
scrollArea->setScrollDirections(Qt::Vertical); |
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|
186 |
} |
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|
187 |
scrollArea->setMaximumHeight(fontHeight * maximumRows); |
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|
188 |
} |
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|
189 |
} |
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|
190 |
|
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|
191 |
bool HbLineEditPrivate::canCopy() const |
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|
192 |
{ |
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Revision: 201011
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parents:
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|
193 |
bool retVal = HbAbstractEditPrivate::canCopy(); |
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|
194 |
if(echoMode != HbLineEdit::Normal) { |
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|
195 |
retVal = false; |
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|
196 |
} |
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|
197 |
return retVal; |
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|
198 |
} |
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|
199 |
|
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|
200 |
bool HbLineEditPrivate::isCursorVisible() const |
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Revision: 201011
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|
201 |
{ |
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Revision: 201011
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|
202 |
return HbAbstractEditPrivate::isCursorVisible() && |
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Revision: 201011
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|
203 |
(echoMode == HbLineEdit::Normal || echoMode == HbLineEdit::PasswordEchoOnEdit); |
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|
204 |
} |
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|
205 |
|
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Revision: 201011
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parents:
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|
206 |
void HbLineEditPrivate::prepDocForPaste() |
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Revision: 201011
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|
207 |
{ |
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Revision: 201011
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parents:
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|
208 |
if(echoMode != HbLineEdit::Normal) { |
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Revision: 201011
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|
209 |
doc->clear(); |
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Revision: 201011
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|
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passwordText.clear(); |
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} |
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} |
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void HbLineEditPrivate::setCapitalization ( QFont::Capitalization caps ) |
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{ |
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QTextCursor newCursor = QTextCursor(doc); |
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newCursor.select(QTextCursor::Document); |
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QTextCharFormat textFormat = newCursor.charFormat(); |
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textFormat.setFontCapitalization(caps); |
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newCursor.setCharFormat(textFormat); |
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//Merge capitalization to cursor's charformat |
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cursor.mergeCharFormat(textFormat); |
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} |
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QFont::Capitalization HbLineEditPrivate::capitalization() const |
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{ |
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return cursor.charFormat().fontCapitalization(); |
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} |
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bool HbLineEditPrivate::isPasswordMode() const |
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{ |
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return ((echoMode == HbLineEdit::Password) || |
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(echoMode == HbLineEdit::PasswordEchoOnEdit) || |
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(echoMode == HbLineEdit::NoEcho)); |
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} |
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void HbLineEditPrivate::setEchoMode(HbLineEdit::EchoMode echoMode) |
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{ |
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Q_Q(HbLineEdit); |
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if(this->echoMode == HbLineEdit::Normal) { |
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passwordText = q->toPlainText(); |
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} |
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this->echoMode = echoMode; |
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q->setPlainText(echoString(passwordText)); |
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if(isPasswordMode()){ |
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q->setCursorPosition(passwordText.length()); |
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} |
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} |
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QString HbLineEditPrivate::passwordString(const QString &text) const |
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{ |
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Q_Q(const HbLineEdit); |
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int passChar = q->QGraphicsWidget::style()->styleHint(QStyle::SH_LineEdit_PasswordCharacter); |
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return QString(text.length(), passChar); |
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} |
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QString HbLineEditPrivate::echoString(const QString &text) |
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{ |
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Q_Q(HbLineEdit); |
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QString retText(text); |
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if(echoMode == HbLineEdit::Password || (echoMode == HbLineEdit::PasswordEchoOnEdit && !q->hasFocus())) { |
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retText = passwordString(text); |
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} else if (echoMode == HbLineEdit::NoEcho) { |
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retText.clear(); |
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} // else Normal |
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return retText; |
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} |
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void HbLineEditPrivate::updateWrappingMode() |
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{ |
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QTextOption option = doc->defaultTextOption(); |
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if (maximumRows == 1) { |
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option.setWrapMode(QTextOption::NoWrap); |
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} else { |
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option.setWrapMode(defaultWrapMode); |
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} |
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doc->setDefaultTextOption(option); |
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} |
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#include "moc_hblineedit.cpp" |