New LineEdit based on QGraphicsTextItem

svn path=/trunk/KDE/kdebase/workspace/plasma/lib/; revision=639321

CMakeLists.txt

@@ -12,6 +12,8 @@ set(plasma_LIB_SRCS
    datavisualization.cpp
 
    widgets/widget.cpp
+   widgets/lineedit.cpp
+   widgets/button.cpp
    )
 
 kde4_automoc(${plasma_LIB_SRCS})
@@ -35,5 +37,7 @@ install( FILES
     dataengine.h
 
     widgets/widget.h
+    widgets/lineedit.h
+    widgets/button.h
     DESTINATION ${INCLUDE_INSTALL_DIR}/plasma )
 

widgets/lineedit.cpp

@@ -0,0 +1,60 @@
+/*
+ *   Copyright (C) 2007 by Alexander Wiedenbruch <mail@wiedenbruch.de>
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU Library General Public License version 2 as
+ *   published by the Free Software Foundation
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details
+ *
+ *   You should have received a copy of the GNU Library General Public
+ *   License along with this program; if not, write to the
+ *   Free Software Foundation, Inc.,
+ *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+#include <QStyleOptionFrameV2>
+
+#include "lineedit.h"
+
+namespace Plasma
+{
+
+LineEdit::LineEdit(QGraphicsItem *parent, QGraphicsScene *scene)
+    : QGraphicsTextItem(parent, scene),
+    DataVisualization()
+{
+    setTextInteractionFlags(Qt::TextEditorInteraction);
+}
+
+LineEdit::~LineEdit()
+{
+}
+
+void LineEdit::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
+{
+    QStyleOptionFrameV2 panel;
+    panel.initFrom(widget);
+    panel.state = option->state;
+    panel.rect = boundingRect().toRect();
+
+    widget->style()->drawPrimitive(QStyle::PE_PanelLineEdit, &panel, painter, widget);
+    widget->style()->drawPrimitive(QStyle::PE_FrameLineEdit, &panel, painter, widget);
+
+    // QGraphicsTextItem paints a black frame when it has focus
+    // and is selected. We want to use our own frame, so we
+    // clear these flags.
+    QStyleOptionGraphicsItem *style = const_cast<QStyleOptionGraphicsItem*>(option);
+    style->state &= ~(QStyle::State_Selected | QStyle::State_HasFocus);
+
+    QGraphicsTextItem::paint(painter, style, widget);
+}
+
+void LineEdit::data(const DataSource::Data&)
+{
+}
+
+} // namespace Plasma

widgets/lineedit.h

@@ -0,0 +1,47 @@
+/*
+ *   Copyright (C) 2007 by Alexander Wiedenbruch <mail@wiedenbruch.de>
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU Library General Public License version 2 as
+ *   published by the Free Software Foundation
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details
+ *
+ *   You should have received a copy of the GNU Library General Public
+ *   License along with this program; if not, write to the
+ *   Free Software Foundation, Inc.,
+ *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+#ifndef LINEEDIT_H
+#define LINEEDIT_H
+
+#include <QGraphicsTextItem>
+
+#include <kdemacros.h>
+
+#include "datavisualization.h"
+
+namespace Plasma
+{
+
+class KDE_EXPORT LineEdit : public QGraphicsTextItem,
+                            public DataVisualization
+{
+    public:
+        LineEdit(QGraphicsItem *parent = 0, QGraphicsScene *scene = 0);
+        ~LineEdit();
+
+        void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
+
+    public Q_SLOTS:
+        void data(const DataSource::Data&);
+
+};
+
+} // namespace Plasma
+
+#endif