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  41
  42 #include "urllineedit.h"
  43 #include "searchlineedit.h"
  44
  45 #include <QtCore/QEvent>
  46
  47 #include <QtGui/QApplication>
  48 #include <QtGui/QCompleter>
  49 #include <QtGui/QFocusEvent>
  50 #include <QtGui/QHBoxLayout>
  51 #include <QtGui/QLabel>
  52 #include <QtGui/QLineEdit>
  53 #include <QtGui/QPainter>
  54 #include <QtGui/QStyle>
  55 #include <QtGui/QStyleOptionFrameV2>
  56
  57 #include <QtCore/QDebug>
  58
  59 ExLineEdit::ExLineEdit(QWidget *parent)
  60     : QWidget(parent)
  61     , m_leftWidget(0)
  62     , m_lineEdit(new QLineEdit(this))
  63     , m_clearButton(0)
  64 {
  65     setFocusPolicy(m_lineEdit->focusPolicy());
  66     setAttribute(Qt::WA_InputMethodEnabled);
  67     setSizePolicy(m_lineEdit->sizePolicy());
  68     setBackgroundRole(m_lineEdit->backgroundRole());
  69     setMouseTracking(true);
  70     setAcceptDrops(true);
  71     setAttribute(Qt::WA_MacShowFocusRect, true);
  72     QPalette p = m_lineEdit->palette();
  73     setPalette(p);
  74
  75     // line edit
  76     m_lineEdit->setFrame(false);
  77     m_lineEdit->setFocusProxy(this);
  78     m_lineEdit->setAttribute(Qt::WA_MacShowFocusRect, false);
  79     QPalette clearPalette = m_lineEdit->palette();
  80     clearPalette.setBrush(QPalette::Base, QBrush(Qt::transparent));
  81     m_lineEdit->setPalette(clearPalette);
  82
  83     // clearButton
  84     m_clearButton = new ClearButton(this);
  85     connect(m_clearButton, SIGNAL(clicked()),
  86             m_lineEdit, SLOT(clear()));
  87     connect(m_lineEdit, SIGNAL(textChanged(const QString&)),
  88             m_clearButton, SLOT(textChanged(const QString&)));
  89 }
  90
  91 void ExLineEdit::setFont(const QFont &font) {
  92     m_lineEdit->setFont(font);
  93     updateGeometries();
  94 }
  95
  96 void ExLineEdit::setLeftWidget(QWidget *widget)
  97 {
  98     m_leftWidget = widget;
  99 }
 100
 101 QWidget *ExLineEdit::leftWidget() const
 102 {
 103     return m_leftWidget;
 104 }
 105
 106 void ExLineEdit::resizeEvent(QResizeEvent *event)
 107 {
 108     Q_ASSERT(m_leftWidget);
 109     updateGeometries();
 110     QWidget::resizeEvent(event);
 111 }
 112
 113 void ExLineEdit::updateGeometries()
 114 {
 115     QStyleOptionFrameV2 panel;
 116     initStyleOption(&panel);
 117     QRect rect = style()->subElementRect(QStyle::SE_LineEditContents, &panel, this);
 118
 119     int padding = 3;
 120     // int height = rect.height() + padding*2;
 121     int width = rect.width();
 122
 123     // int m_leftWidgetHeight = m_leftWidget->height();
 124     m_leftWidget->setGeometry(rect.x() + 2,          0,
 125                               m_leftWidget->width(), m_leftWidget->height());
 126
 127     int clearButtonWidth = this->height();
 128     m_lineEdit->setGeometry(m_leftWidget->x() + m_leftWidget->width(),        padding,
 129                             width - clearButtonWidth - m_leftWidget->width(), this->height() - padding*2);
 130
 131     m_clearButton->setGeometry(this->width() - clearButtonWidth, 0,
 132                                clearButtonWidth, this->height());
 133 }
 134
 135 void ExLineEdit::initStyleOption(QStyleOptionFrameV2 *option) const
 136 {
 137     option->initFrom(this);
 138     option->rect = contentsRect();
 139     option->lineWidth = style()->pixelMetric(QStyle::PM_DefaultFrameWidth, option, this);
 140     option->midLineWidth = 0;
 141     option->state |= QStyle::State_Sunken;
 142     if (m_lineEdit->isReadOnly())
 143         option->state |= QStyle::State_ReadOnly;
 144 #ifdef QT_KEYPAD_NAVIGATION
 145     if (hasEditFocus())
 146         option->state |= QStyle::State_HasEditFocus;
 147 #endif
 148     option->features = QStyleOptionFrameV2::None;
 149 }
 150
 151 QSize ExLineEdit::sizeHint() const
 152 {
 153     m_lineEdit->setFrame(true);
 154     QSize size = m_lineEdit->sizeHint();
 155     m_lineEdit->setFrame(false);
 156     return size;
 157 }
 158
 159 void ExLineEdit::focusInEvent(QFocusEvent *event)
 160 {
 161     m_lineEdit->event(event);
 162     QWidget::focusInEvent(event);
 163 }
 164
 165 void ExLineEdit::focusOutEvent(QFocusEvent *event)
 166 {
 167     m_lineEdit->event(event);
 168
 169     if (m_lineEdit->completer()) {
 170         connect(m_lineEdit->completer(), SIGNAL(activated(QString)),
 171                          m_lineEdit, SLOT(setText(QString)));
 172         connect(m_lineEdit->completer(), SIGNAL(highlighted(QString)),
 173                          m_lineEdit, SLOT(_q_completionHighlighted(QString)));
 174     }
 175     QWidget::focusOutEvent(event);
 176 }
 177
 178 void ExLineEdit::keyPressEvent(QKeyEvent *event)
 179 {
 180     m_lineEdit->event(event);
 181     QWidget::keyPressEvent(event);
 182 }
 183
 184 bool ExLineEdit::event(QEvent *event)
 185 {
 186     if (event->type() == QEvent::ShortcutOverride ||
 187         event->type() == QEvent::InputMethod)
 188         m_lineEdit->event(event);
 189     return QWidget::event(event);
 190 }
 191
 192 void ExLineEdit::paintEvent(QPaintEvent *)
 193 {
 194     QPainter p(this);
 195     QStyleOptionFrameV2 panel;
 196     initStyleOption(&panel);
 197     style()->drawPrimitive(QStyle::PE_PanelLineEdit, &panel, &p, this);
 198 }