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1 /****************************************************************************
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2 **
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3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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4 ** Contact: Qt Software Information (qt-info@nokia.com)
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5 **
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6 ** This file is part of the demonstration applications of the Qt Toolkit.
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7 **
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8 ** $QT_BEGIN_LICENSE:LGPL$
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9 ** Commercial Usage
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10 ** Licensees holding valid Qt Commercial licenses may use this file in
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11 ** accordance with the Qt Commercial License Agreement provided with the
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12 ** Software or, alternatively, in accordance with the terms contained in
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13 ** a written agreement between you and Nokia.
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14 **
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15 ** GNU Lesser General Public License Usage
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16 ** Alternatively, this file may be used under the terms of the GNU Lesser
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17 ** General Public License version 2.1 as published by the Free Software
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18 ** Foundation and appearing in the file LICENSE.LGPL included in the
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19 ** packaging of this file. Please review the following information to
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20 ** ensure the GNU Lesser General Public License version 2.1 requirements
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21 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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22 **
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23 ** In addition, as a special exception, Nokia gives you certain
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24 ** additional rights. These rights are described in the Nokia Qt LGPL
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25 ** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
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26 ** package.
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27 **
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28 ** GNU General Public License Usage
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29 ** Alternatively, this file may be used under the terms of the GNU
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30 ** General Public License version 3.0 as published by the Free Software
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31 ** Foundation and appearing in the file LICENSE.GPL included in the
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32 ** packaging of this file. Please review the following information to
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33 ** ensure the GNU General Public License version 3.0 requirements will be
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34 ** met: http://www.gnu.org/copyleft/gpl.html.
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35 **
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36 ** If you are unsure which license is appropriate for your use, please
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37 ** contact the sales department at qt-sales@nokia.com.
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38 ** $QT_END_LICENSE$
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39 **
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40 ****************************************************************************/
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41
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42 module urllineedit;
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43
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44 import QtCore.QUrl;
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45 import QtGui.QWidget;
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46 import QtGui.QStyleOptionFrame;
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47
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48 import browserapplication;
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49 import searchlineedit;
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50 import webview;
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51
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52 import QtCore.QEvent;
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53
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54 import QtGui.QApplication;
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55 import QtGui.QCompleter;
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56 import QtGui.QFocusEvent;
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57 import QtGui.QHBoxLayout;
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58 import QtGui.QLabel;
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59 import QtGui.QLineEdit;
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60 import QtGui.QPainter;
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61 import QtGui.QStyle;
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62 import QtGui.QStyleOptionFrameV2;
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63
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64 import QtCore.QDebug;
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65
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66
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67 /*
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68 QT_BEGIN_NAMESPACE
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69 class QLineEdit;
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70 QT_END_NAMESPACE
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71
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72 class ClearButton;
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73 */
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74 class ExLineEdit : public QWidget
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75 {
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76 Q_OBJECT
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77
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78 public:
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79 this(QWidget *parent = null)
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80 {
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81 super(parent);
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82
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83 m_leftWidget = 0;
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84 m_lineEdit = new QLineEdit(this);
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85 m_clearButton = 0;
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86
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87 setFocusPolicy(m_lineEdit.focusPolicy());
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88 setAttribute(Qt.WA_InputMethodEnabled);
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89 setSizePolicy(m_lineEdit.sizePolicy());
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90 setBackgroundRole(m_lineEdit.backgroundRole());
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91 setMouseTracking(true);
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92 setAcceptDrops(true);
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93 setAttribute(Qt.WA_MacShowFocusRect, true);
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94 QPalette p = m_lineEdit.palette();
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95 setPalette(p);
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96
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97 // line edit
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98 m_lineEdit.setFrame(false);
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99 m_lineEdit.setFocusProxy(this);
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100 m_lineEdit.setAttribute(Qt.WA_MacShowFocusRect, false);
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101 QPalette clearPalette = m_lineEdit.palette();
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102 clearPalette.setBrush(QPalette::Base, QBrush(Qt.transparent));
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103 m_lineEdit.setPalette(clearPalette);
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104
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105 // clearButton
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106 m_clearButton = new ClearButton(this);
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107 connect(m_clearButton, SIGNAL(clicked()),
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108 m_lineEdit, SLOT(clear()));
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109 connect(m_lineEdit, SIGNAL(textChanged(const QString&)),
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110 m_clearButton, SLOT(textChanged(const QString&)));
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111 }
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112
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113 inline QLineEdit *lineEdit() { return m_lineEdit; }
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114
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115 void setLeftWidget(QWidget *widget)
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116 {
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117 m_leftWidget = widget;
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118 }
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119
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120 QWidget *leftWidget()
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121 {
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122 return m_leftWidget;
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123 }
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124
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125 QSize sizeHint()
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126 {
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127 m_lineEdit.setFrame(true);
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128 QSize size = m_lineEdit.sizeHint();
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129 m_lineEdit.setFrame(false);
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130 return size;
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131 }
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132
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133 QVariant inputMethodQuery(Qt.InputMethodQuery property)
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134 {
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135 return m_lineEdit.inputMethodQuery(property);
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136 }
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137
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138 protected:
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139 void focusInEvent(QFocusEvent *event)
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140 {
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141 m_lineEdit.event(event);
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142 QWidget::focusInEvent(event);
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143 }
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144
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145 void focusOutEvent(QFocusEvent *event)
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146 {
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147 m_lineEdit.event(event);
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148
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149 if (m_lineEdit.completer()) {
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150 connect(m_lineEdit.completer(), SIGNAL(activated(QString)),
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151 m_lineEdit, SLOT(setText(QString)));
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152 connect(m_lineEdit.completer(), SIGNAL(highlighted(QString)),
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153 m_lineEdit, SLOT(_q_completionHighlighted(QString)));
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154 }
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155 QWidget::focusOutEvent(event);
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156 }
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157
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158 void keyPressEvent(QKeyEvent *event)
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159 {
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160 m_lineEdit.event(event);
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161 }
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162
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163 void paintEvent(QPaintEvent *event)
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164 {
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165 QPainter p(this);
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166 QStyleOptionFrameV2 panel;
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167 initStyleOption(&panel);
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168 style().drawPrimitive(QStyle::PE_PanelLineEdit, &panel, &p, this);
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169 }
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170
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171 void resizeEvent(QResizeEvent *event)
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172 {
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173 Q_ASSERT(m_leftWidget);
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174 updateGeometries();
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175 QWidget::resizeEvent(event);
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176 }
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177
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178 void inputMethodEvent(QInputMethodEvent *e)
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179 {
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180 m_lineEdit.event(e);
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181 }
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182
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183 bool event(QEvent *event)
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184 {
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185 if (event.type() == QEvent::ShortcutOverride)
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186 return m_lineEdit.event(event);
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187 return QWidget::event(event);
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188 }
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189
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190 protected:
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191 void updateGeometries()
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192 {
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193 QStyleOptionFrameV2 panel;
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194 initStyleOption(&panel);
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195 QRect rect = style().subElementRect(QStyle::SE_LineEditContents, &panel, this);
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196
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197 int height = rect.height();
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198 int width = rect.width();
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199
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200 int m_leftWidgetHeight = m_leftWidget.height();
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201 m_leftWidget.setGeometry(rect.x() + 2, rect.y() + (height - m_leftWidgetHeight)/2,
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202 m_leftWidget.width(), m_leftWidget.height());
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203
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204 int clearButtonWidth = this.height();
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205 m_lineEdit.setGeometry(m_leftWidget.x() + m_leftWidget.width(), 0,
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206 width - clearButtonWidth - m_leftWidget.width(), this.height());
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207
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208 m_clearButton.setGeometry(this.width() - clearButtonWidth, 0,
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209 clearButtonWidth, this.height());
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210 }
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211
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212 void initStyleOption(QStyleOptionFrameV2 *option)
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213 {
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214 option.initFrom(this);
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215 option.rect = contentsRect();
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216 option.lineWidth = style().pixelMetric(QStyle::PM_DefaultFrameWidth, option, this);
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217 option.midLineWidth = 0;
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218 option.state |= QStyle::State_Sunken;
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219 if (m_lineEdit.isReadOnly())
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220 option.state |= QStyle::State_ReadOnly;
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221 version(QT_KEYPAD_NAVIGATION)
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222 if (hasEditFocus())
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223 option.state |= QStyle::State_HasEditFocus;
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224 }
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225 option.features = QStyleOptionFrameV2::None;
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226 }
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227
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228 QWidget *m_leftWidget;
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229 QLineEdit *m_lineEdit;
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230 ClearButton *m_clearButton;
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231 };
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232
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233 class UrlIconLabel : public QLabel
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234 {
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235
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236 public:
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237 this(QWidget *parent)
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238 {
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239 super(parent);
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240 m_webView = 0;
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241 setMinimumWidth(16);
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242 setMinimumHeight(16);
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243 }
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244
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245
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246 WebView *m_webView;
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247
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248 protected:
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249 void mousePressEvent(QMouseEvent *event)
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250 {
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251 if (event.button() == Qt.LeftButton)
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252 m_dragStartPos = event.pos();
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253 QLabel::mousePressEvent(event);
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254 }
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255
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256 void mouseMoveEvent(QMouseEvent *event)
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257 {
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258 if (event.buttons() == Qt.LeftButton
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259 && (event.pos() - m_dragStartPos).manhattanLength() > QApplication::startDragDistance()
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260 && m_webView) {
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261 QDrag *drag = new QDrag(this);
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262 QMimeData *mimeData = new QMimeData;
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263 mimeData.setText(QString::fromUtf8(m_webView.url().toEncoded()));
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264 QList<QUrl> urls;
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265 urls.append(m_webView.url());
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266 mimeData.setUrls(urls);
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267 drag.setMimeData(mimeData);
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268 drag.exec();
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269 }
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270 }
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271
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272 private:
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273 QPoint m_dragStartPos;
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274
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275 }
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276
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277
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278 //class UrlIconLabel;
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279 //class WebView;
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280 class UrlLineEdit : public ExLineEdit
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281 {
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282 Q_OBJECT
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283
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284 public:
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285 this(QWidget *parent = null)
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286 {
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287 super(parent);
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288 m_webView = 0;
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289 m_iconLabel = 0;
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290 // icon
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291 m_iconLabel = new UrlIconLabel(this);
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292 m_iconLabel.resize(16, 16);
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293 setLeftWidget(m_iconLabel);
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294 m_defaultBaseColor = palette().color(QPalette::Base);
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295
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296 webViewIconChanged();
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297 }
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298 void setWebView(WebView *webView)
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299 {
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300 Q_ASSERT(!m_webView);
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301 m_webView = webView;
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302 m_iconLabel.m_webView = webView;
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303 connect(webView, SIGNAL(urlChanged(const QUrl &)),
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304 this, SLOT(webViewUrlChanged(const QUrl &)));
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305 connect(webView, SIGNAL(loadFinished(bool)),
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306 this, SLOT(webViewIconChanged()));
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307 connect(webView, SIGNAL(iconChanged()),
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308 this, SLOT(webViewIconChanged()));
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309 connect(webView, SIGNAL(loadProgress(int)),
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310 this, SLOT(update()));
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311 }
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312
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313 protected:
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314 void paintEvent(QPaintEvent *event)
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315 {
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316 QPalette p = palette();
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317 if (m_webView && m_webView.url().scheme() == QLatin1String("https")) {
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318 QColor lightYellow(248, 248, 210);
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319 p.setBrush(QPalette::Base, generateGradient(lightYellow));
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320 } else {
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321 p.setBrush(QPalette::Base, m_defaultBaseColor);
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322 }
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323 setPalette(p);
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324 ExLineEdit::paintEvent(event);
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325
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326 QPainter painter(this);
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327 QStyleOptionFrameV2 panel;
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328 initStyleOption(&panel);
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329 QRect backgroundRect = style().subElementRect(QStyle::SE_LineEditContents, &panel, this);
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330 if (m_webView && !hasFocus()) {
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331 int progress = m_webView.progress();
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332 QColor loadingColor = QColor(116, 192, 250);
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333 painter.setBrush(generateGradient(loadingColor));
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334 painter.setPen(Qt.transparent);
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335 int mid = backgroundRect.width() / 100 * progress;
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336 QRect progressRect(backgroundRect.x(), backgroundRect.y(), mid, backgroundRect.height());
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337 painter.drawRect(progressRect);
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338 }
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339 }
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340
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341 void focusOutEvent(QFocusEvent *event);
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342 {
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343 if (m_lineEdit.text().isEmpty() && m_webView)
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344 m_lineEdit.setText(QString::fromUtf8(m_webView.url().toEncoded()));
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345 ExLineEdit::focusOutEvent(event);
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346 }
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347
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348 private slots:
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349 void webViewUrlChanged(const QUrl &url)
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350 {
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351 m_lineEdit.setText(QString::fromUtf8(url.toEncoded()));
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352 m_lineEdit.setCursorPosition(0);
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353 }
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354
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355 void webViewIconChanged()
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356 {
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357 QUrl url = (m_webView) ? m_webView.url() : QUrl();
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358 QIcon icon = BrowserApplication::instance().icon(url);
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359 QPixmap pixmap(icon.pixmap(16, 16));
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360 m_iconLabel.setPixmap(pixmap);
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361 }
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362
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363 private:
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364 QLinearGradient generateGradient(const QColor &color)
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365 {
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366 QLinearGradient gradient(0, 0, 0, height());
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367 gradient.setColorAt(0, m_defaultBaseColor);
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368 gradient.setColorAt(0.15, color.lighter(120));
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369 gradient.setColorAt(0.5, color);
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370 gradient.setColorAt(0.85, color.lighter(120));
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371 gradient.setColorAt(1, m_defaultBaseColor);
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372 return gradient;
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373 }
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374
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375 WebView *m_webView;
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376 UrlIconLabel *m_iconLabel;
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377 QColor m_defaultBaseColor;
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378 }
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