git.sur5r.net Git - minitube/blob - src/urllineedit.cpp

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  41
  42 #include "urllineedit.h"
  43 #include "searchlineedit.h"
  44
  45 #include <QEvent>
  46
  47 #include <QApplication>
  48 #include <QCompleter>
  49 #include <QFocusEvent>
  50 #include <QHBoxLayout>
  51 #include <QLabel>
  52 #include <QLineEdit>
  53 #include <QPainter>
  54 #include <QStyle>
  55 #include <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     m_lineEdit->setStyleSheet("background:transparent");
  80     QPalette clearPalette = m_lineEdit->palette();
  81     clearPalette.setBrush(QPalette::Base, QBrush(Qt::transparent));
  82     m_lineEdit->setPalette(clearPalette);
  83
  84     // clearButton
  85     m_clearButton = new ClearButton(this);
  86     connect(m_clearButton, SIGNAL(clicked()),
  87             m_lineEdit, SLOT(clear()));
  88     connect(m_lineEdit, SIGNAL(textChanged(const QString&)),
  89             m_clearButton, SLOT(textChanged(const QString&)));
  90 }
  91
  92 void ExLineEdit::setFont(const QFont &font) {
  93     m_lineEdit->setFont(font);
  94     updateGeometries();
  95 }
  96
  97 void ExLineEdit::setLeftWidget(QWidget *widget)
  98 {
  99     m_leftWidget = widget;
 100 }
 101
 102 QWidget *ExLineEdit::leftWidget() const
 103 {
 104     return m_leftWidget;
 105 }
 106
 107 void ExLineEdit::resizeEvent(QResizeEvent *event)
 108 {
 109     Q_ASSERT(m_leftWidget);
 110     updateGeometries();
 111     QWidget::resizeEvent(event);
 112 }
 113
 114 void ExLineEdit::updateGeometries()
 115 {
 116     QStyleOptionFrameV2 panel;
 117     initStyleOption(&panel);
 118     QRect rect = style()->subElementRect(QStyle::SE_LineEditContents, &panel, this);
 119
 120     int padding = 3;
 121     // int height = rect.height() + padding*2;
 122     int width = rect.width();
 123
 124     // int m_leftWidgetHeight = m_leftWidget->height();
 125     m_leftWidget->setGeometry(rect.x() + 2,          0,
 126                               m_leftWidget->width(), m_leftWidget->height());
 127
 128     int clearButtonWidth = this->height();
 129     m_lineEdit->setGeometry(m_leftWidget->x() + m_leftWidget->width(),        padding,
 130                             width - clearButtonWidth - m_leftWidget->width(), this->height() - padding*2);
 131
 132     m_clearButton->setGeometry(this->width() - clearButtonWidth, 0,
 133                                clearButtonWidth, this->height());
 134 }
 135
 136 void ExLineEdit::initStyleOption(QStyleOptionFrameV2 *option) const
 137 {
 138     option->initFrom(this);
 139     option->rect = contentsRect();
 140     option->lineWidth = style()->pixelMetric(QStyle::PM_DefaultFrameWidth, option, this);
 141     option->midLineWidth = 0;
 142     option->state |= QStyle::State_Sunken;
 143     if (m_lineEdit->isReadOnly())
 144         option->state |= QStyle::State_ReadOnly;
 145 #ifdef QT_KEYPAD_NAVIGATION
 146     if (hasEditFocus())
 147         option->state |= QStyle::State_HasEditFocus;
 148 #endif
 149     option->features = QStyleOptionFrameV2::None;
 150 }
 151
 152 QSize ExLineEdit::sizeHint() const
 153 {
 154     m_lineEdit->setFrame(true);
 155     QSize size = m_lineEdit->sizeHint();
 156     m_lineEdit->setFrame(false);
 157     size = size + QSize(3, 3);
 158     return size;
 159 }
 160
 161 void ExLineEdit::focusInEvent(QFocusEvent *event)
 162 {
 163     m_lineEdit->event(event);
 164     QWidget::focusInEvent(event);
 165 }
 166
 167 void ExLineEdit::focusOutEvent(QFocusEvent *event)
 168 {
 169     m_lineEdit->event(event);
 170
 171     if (m_lineEdit->completer()) {
 172         connect(m_lineEdit->completer(), SIGNAL(activated(QString)),
 173                          m_lineEdit, SLOT(setText(QString)));
 174         connect(m_lineEdit->completer(), SIGNAL(highlighted(QString)),
 175                          m_lineEdit, SLOT(_q_completionHighlighted(QString)));
 176     }
 177     QWidget::focusOutEvent(event);
 178 }
 179
 180 void ExLineEdit::keyPressEvent(QKeyEvent *event)
 181 {
 182     if (event->key() == Qt::Key_Escape && !m_lineEdit->text().isEmpty()) {
 183         m_lineEdit->clear();
 184     }
 185     m_lineEdit->event(event);
 186     QWidget::keyPressEvent(event);
 187 }
 188
 189 bool ExLineEdit::event(QEvent *event)
 190 {
 191     if (event->type() == QEvent::ShortcutOverride ||
 192         event->type() == QEvent::InputMethod)
 193         m_lineEdit->event(event);
 194     return QWidget::event(event);
 195 }
 196
 197 void ExLineEdit::paintEvent(QPaintEvent *)
 198 {
 199     QPainter p(this);
 200     QStyleOptionFrameV2 panel;
 201     initStyleOption(&panel);
 202     style()->drawPrimitive(QStyle::PE_PanelLineEdit, &panel, &p, this);
 203 }