add Girish's lineedit from git://git.forwardbias.in/lineeditclearbutton.git

3 files changed, 85 insertions, 2 deletions

diff --git a/WebScraps.pro b/WebScraps.pro
index 0ae2a76..87566cd 100644
--- a/WebScraps.pro
+++ b/WebScraps.pro
@@ -10,12 +10,14 @@ SOURCES += main.cpp \
     webscrap.cpp \
     graphicsview.cpp \
     graphicstoolbar.cpp \
-    resizeuihelper.cpp
+    resizeuihelper.cpp \
+    lineedit.cpp
 HEADERS += mainwindow.h \
     webview.h \
     webscrap.h \
     graphicsview.h \
     graphicstoolbar.h \
-    resizeuihelper.h
+    resizeuihelper.h \
+    lineedit.h
 FORMS += mainwindow.ui
 RESOURCES += webscraps.qrc
diff --git a/lineedit.cpp b/lineedit.cpp
new file mode 100644
index 0000000..a4db10f
--- /dev/null
+++ b/lineedit.cpp
@@ -0,0 +1,46 @@
+/****************************************************************************
+**
+** Copyright (c) 2007 Trolltech ASA <info@trolltech.com>
+**
+** Use, modification and distribution is allowed without limitation,
+** warranty, liability or support of any kind.
+**
+****************************************************************************/
+
+#include "lineedit.h"
+#include <QToolButton>
+#include <QStyle>
+
+LineEdit::LineEdit(QWidget *parent)
+    : QLineEdit(parent)
+{
+    clearButton = new QToolButton(this);
+    QPixmap pixmap("fileclose.png");
+    clearButton->setIcon(QIcon(pixmap));
+    clearButton->setIconSize(pixmap.size());
+    clearButton->setCursor(Qt::ArrowCursor);
+    clearButton->setStyleSheet("QToolButton { border: none; padding: 0px; }");
+    clearButton->hide();
+    connect(clearButton, SIGNAL(clicked()), this, SLOT(clear()));
+    connect(this, SIGNAL(textChanged(const QString&)), this, SLOT(updateCloseButton(const QString&)));
+    int frameWidth = style()->pixelMetric(QStyle::PM_DefaultFrameWidth);
+    setStyleSheet(QString("QLineEdit { padding-right: %1px; } ").arg(clearButton->sizeHint().width() + frameWidth + 1));
+    QSize msz = minimumSizeHint();
+    setMinimumSize(qMax(msz.width(), clearButton->sizeHint().height() + frameWidth * 2 + 2),
+                   qMax(msz.height(), clearButton->sizeHint().height() + frameWidth * 2 + 2));
+}
+
+void LineEdit::resizeEvent(QResizeEvent *)
+{
+    QSize sz = clearButton->sizeHint();
+    int frameWidth = style()->pixelMetric(QStyle::PM_DefaultFrameWidth);
+    clearButton->move(rect().right() - frameWidth - sz.width(),
+                      (rect().bottom() + 1 - sz.height())/2);
+}
+
+void LineEdit::updateCloseButton(const QString& text)
+{
+    clearButton->setVisible(!text.isEmpty());
+}
+
+
diff --git a/lineedit.h b/lineedit.h
new file mode 100644
index 0000000..7a96a52
--- /dev/null
+++ b/lineedit.h
@@ -0,0 +1,35 @@
+/****************************************************************************
+**
+** Copyright (c) 2007 Trolltech ASA <info@trolltech.com>
+**
+** Use, modification and distribution is allowed without limitation,
+** warranty, liability or support of any kind.
+**
+****************************************************************************/
+
+#ifndef LINEEDIT_H
+#define LINEEDIT_H
+
+#include <QLineEdit>
+
+class QToolButton;
+
+class LineEdit : public QLineEdit
+{
+    Q_OBJECT
+
+public:
+    LineEdit(QWidget *parent = 0);
+
+protected:
+    void resizeEvent(QResizeEvent *);
+
+private slots:
+    void updateCloseButton(const QString &text);
+
+private:
+    QToolButton *clearButton;
+};
+
+#endif // LIENEDIT_H
+