Move QSearchField to widgets and remove rest of qocoa

src/widgets/qsearchfield_nonmac.cpp

@@ -0,0 +1,163 @@
+/*
+Copyright (C) 2011 by Mike McQuaid
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+#include "qsearchfield.h"
+
+#include <QApplication>
+#include <QDesktopWidget>
+#include <QLineEdit>
+#include <QVBoxLayout>
+#include <QToolButton>
+#include <QStyle>
+#include <QEvent>
+
+#include <QDir>
+#include <QDebug>
+
+#include "core/iconloader.h"
+
+class QSearchFieldPrivate : public QObject {
+public:
+  QSearchFieldPrivate(QSearchField *searchField, QLineEdit *lineEdit, QToolButton *clearButton)
+      : QObject(searchField), lineEdit(lineEdit), clearButton(clearButton) {}
+
+  int lineEditFrameWidth() const {
+    return lineEdit->style()->pixelMetric(QStyle::PM_DefaultFrameWidth);
+  }
+
+  int clearButtonPaddedWidth() const {
+    return clearButton->width() + lineEditFrameWidth() * 2;
+  }
+
+  int clearButtonPaddedHeight() const {
+    return clearButton->height() + lineEditFrameWidth() * 2;
+  }
+
+  QPointer<QLineEdit> lineEdit;
+  QPointer<QToolButton> clearButton;
+};
+
+QSearchField::QSearchField(QWidget *parent) : QWidget(parent) {
+
+  QLineEdit *lineEdit = new QLineEdit(this);
+  connect(lineEdit, SIGNAL(textChanged(QString)), this, SIGNAL(textChanged(QString)));
+  connect(lineEdit, SIGNAL(editingFinished()), this, SIGNAL(editingFinished()));
+  connect(lineEdit, SIGNAL(returnPressed()), this, SIGNAL(returnPressed()));
+  connect(lineEdit, SIGNAL(textChanged(QString)), this, SLOT(setText(QString)));
+
+  QToolButton *clearButton = new QToolButton(this);
+  QIcon clearIcon(IconLoader::Load("edit-clear-locationbar-ltr"));
+
+  clearButton->setIcon(clearIcon);
+  clearButton->setIconSize(QSize(16, 16));
+  clearButton->setStyleSheet("border: none; padding: 0px;");
+  clearButton->resize(clearButton->sizeHint());
+
+  connect(clearButton, SIGNAL(clicked()), this, SLOT(clear()));
+
+  pimpl = new QSearchFieldPrivate(this, lineEdit, clearButton);
+
+  const int frame_width = lineEdit->style()->pixelMetric(QStyle::PM_DefaultFrameWidth);
+
+  lineEdit->setStyleSheet(QString("QLineEdit { padding-left: %1px; } ").arg(clearButton->width()));
+  const int width = frame_width + qMax(lineEdit->minimumSizeHint().width(), pimpl->clearButtonPaddedWidth());
+  const int height = frame_width + qMax(lineEdit->minimumSizeHint().height(), pimpl->clearButtonPaddedHeight());
+  lineEdit->setMinimumSize(width, height);
+
+  QVBoxLayout *layout = new QVBoxLayout(this);
+  layout->setMargin(0);
+  layout->addWidget(lineEdit);
+
+  lineEdit->installEventFilter(this);
+
+}
+
+void QSearchField::setText(const QString &text) {
+
+  Q_ASSERT(pimpl && pimpl->clearButton && pimpl->lineEdit);
+  if (!(pimpl && pimpl->clearButton && pimpl->lineEdit)) return;
+  if (text != this->text()) pimpl->lineEdit->setText(text);
+
+}
+
+void QSearchField::setPlaceholderText(const QString &text) {
+  Q_ASSERT(pimpl && pimpl->lineEdit);
+  if (!(pimpl && pimpl->lineEdit)) return;
+  pimpl->lineEdit->setPlaceholderText(text);
+}
+
+QString QSearchField::placeholderText() const {
+  return pimpl->lineEdit->placeholderText();
+}
+
+void QSearchField::setFocus(Qt::FocusReason reason) {
+  Q_ASSERT(pimpl && pimpl->lineEdit);
+  if (pimpl && pimpl->lineEdit) pimpl->lineEdit->setFocus(reason);
+}
+
+void QSearchField::setFocus() {
+  setFocus(Qt::OtherFocusReason);
+}
+
+void QSearchField::clear() {
+  Q_ASSERT(pimpl && pimpl->lineEdit);
+  if (!(pimpl && pimpl->lineEdit)) return;
+  pimpl->lineEdit->clear();
+}
+
+void QSearchField::selectAll() {
+  Q_ASSERT(pimpl && pimpl->lineEdit);
+  if (!(pimpl && pimpl->lineEdit)) return;
+  pimpl->lineEdit->selectAll();
+}
+
+QString QSearchField::text() const {
+  Q_ASSERT(pimpl && pimpl->lineEdit);
+  if (!(pimpl && pimpl->lineEdit)) return QString();
+  return pimpl->lineEdit->text();
+}
+
+void QSearchField::resizeEvent(QResizeEvent *resizeEvent) {
+  Q_ASSERT(pimpl && pimpl->clearButton && pimpl->lineEdit);
+  if (!(pimpl && pimpl->clearButton && pimpl->lineEdit)) return;
+
+  QWidget::resizeEvent(resizeEvent);
+  const int x = pimpl->lineEditFrameWidth();
+  const int y = (height() - pimpl->clearButton->height())/2;
+  pimpl->clearButton->move(x, y);
+}
+
+bool QSearchField::eventFilter(QObject *o, QEvent *e) {
+  if (pimpl && pimpl->lineEdit && o == pimpl->lineEdit) {
+    // Forward some lineEdit events to QSearchField (only those we need for
+    // now, but some might be added later if needed)
+    switch (e->type()) {
+      case QEvent::FocusIn:
+      case QEvent::FocusOut:
+        QApplication::sendEvent(this, e);
+        break;
+      default:
+        break;
+    }
+  }
+  return QWidget::eventFilter(o, e);
+}