return of the son of pushbutton

svn path=/trunk/KDE/kdebase/workspace/libs/plasma/; revision=809575

CMakeLists.txt

@@ -64,6 +64,7 @@ set(plasma_LIB_SRCS
     widgets/lineedit.cpp
     widgets/webcontent.cpp
     widgets/meter.cpp
+    widgets/pushbutton.cpp
     widgets/signalplotter.cpp
     widgets/flash.cpp
 )

includes/PushButton

@@ -0,0 +1 @@
+#include ../../plasma/pushbutton.h

widgets/pushbutton.cpp

@@ -0,0 +1,153 @@
+/*
+ *   Copyright 2008 Aaron Seigo <aseigo@kde.org>
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU Library General Public License as
+ *   published by the Free Software Foundation; either version 2, or
+ *   (at your option) any later version.
+ *
+ *   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 "pushbutton.h"
+
+#include <QPushButton>
+#include <QPainter>
+
+#include <KMimeType>
+
+#include "theme.h"
+#include "svg.h"
+
+namespace Plasma
+{
+
+class PushButton::Private
+{
+public:
+    Private()
+        : svg(0)
+    {
+    }
+
+    ~Private()
+    {
+        delete svg;
+    }
+
+    void setPixmap(PushButton *q)
+    {
+        if (imagePath.isEmpty()) {
+            return;
+        }
+
+        KMimeType::Ptr mime = KMimeType::findByPath(absImagePath);
+        QPixmap pm(q->size().toSize());
+
+        if (mime->is("image/svg+xml")) {
+            svg = new Svg();
+            QPainter p(&pm);
+            svg->paint(&p, pm.rect());
+        } else {
+            pm = QPixmap(absImagePath);
+        }
+
+        static_cast<QPushButton*>(q->widget())->setIcon(QIcon(pm));
+    }
+
+    QString imagePath;
+    QString absImagePath;
+    Svg *svg;
+};
+
+PushButton::PushButton(QGraphicsWidget *parent)
+    : QGraphicsProxyWidget(parent),
+      d(new Private)
+{
+    QPushButton* native = new QPushButton;
+    connect(native, SIGNAL(clicked()), this, SIGNAL(clicked()));
+    setWidget(native);
+    native->setAttribute(Qt::WA_NoSystemBackground);
+}
+
+PushButton::~PushButton()
+{
+    delete d;
+}
+
+void PushButton::setText(const QString &text)
+{
+    static_cast<QPushButton*>(widget())->setText(text);
+}
+
+QString PushButton::text() const
+{
+    return static_cast<QPushButton*>(widget())->text();
+}
+
+void PushButton::setImage(const QString &path)
+{
+    if (d->imagePath == path) {
+        return;
+    }
+
+    delete d->svg;
+    d->svg = 0;
+    d->imagePath = path;
+
+    bool absolutePath = !path.isEmpty() && 
+                        #ifdef Q_WS_WIN
+                            !QDir::isRelativePath(path)
+                        #else
+                            path[0] == '/'
+                        #endif
+        ;
+
+    if (absolutePath) {
+        d->absImagePath = path;
+    } else {
+        //TODO: package support
+        d->absImagePath = Theme::defaultTheme()->imagePath(path);
+    }
+
+    d->setPixmap(this);
+}
+
+QString PushButton::image() const
+{
+    return d->imagePath;
+}
+
+void PushButton::setStylesheet(const QString &stylesheet)
+{
+    widget()->setStyleSheet(stylesheet);
+}
+
+QString PushButton::stylesheet()
+{
+    return widget()->styleSheet();
+}
+
+QPushButton* PushButton::nativeWidget() const
+{
+    return static_cast<QPushButton*>(widget());
+}
+
+void PushButton::resizeEvent(QGraphicsSceneResizeEvent *event)
+{
+    d->setPixmap(this);
+    QGraphicsProxyWidget::resizeEvent(event);
+}
+
+} // namespace Plasma
+
+#include <pushbutton.moc>
+

widgets/pushbutton.h

@@ -0,0 +1,99 @@
+/*
+ *   Copyright 2008 Aaron Seigo <aseigo@kde.org>
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU Library General Public License as
+ *   published by the Free Software Foundation; either version 2, or
+ *   (at your option) any later version.
+ *
+ *   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 PLASMA__H
+#define PLASMA__H
+
+#include <QGraphicsProxyWidget>
+
+class QPushButton;
+
+namespace Plasma
+{
+
+class PushButton : public QGraphicsProxyWidget
+{
+    Q_OBJECT
+
+    Q_PROPERTY(QGraphicsWidget* parentWidget READ parentWidget)
+    Q_PROPERTY(QString text READ text WRITE setText)
+    Q_PROPERTY(QString image READ image WRITE setImage)
+    Q_PROPERTY(QString stylesheet READ stylesheet WRITE setStylesheet)
+    Q_PROPERTY(QPushButton* nativeWidget READ nativeWidget)
+
+public:
+    explicit PushButton(QGraphicsWidget *parent = 0);
+    ~PushButton();
+
+    /**
+     * Sets the display text for this PushButton
+     * 
+     * @arg text the text to display; should be translated.
+     */
+    void setText(const QString &text);
+
+    /**
+     * @return the display text
+     */
+    QString text() const;
+
+    /**
+     * Sets the path to an image to display.
+     *
+     * @arg path the path to the image; if a relative path, then a themed image will be loaded.
+     */
+    void setImage(const QString &path);
+
+    /**
+     * @return the image path being displayed currently, or an empty string if none.
+     */
+    QString image() const;
+
+    /**
+     * Sets the style sheet used to control the visual display of this PushButton
+     *
+     * @arg stylehseet a CSS string
+     */
+    void setStylesheet(const QString &stylesheet);
+
+    /**
+     * @return the stylesheet currently used with this widget
+     */
+    QString stylesheet();
+
+    /**
+     * @return the native widget wrapped by this PushButton
+     */
+    QPushButton* nativeWidget() const;
+
+Q_SIGNALS:
+    void clicked();
+
+protected:
+    void resizeEvent(QGraphicsSceneResizeEvent *event);
+
+private:
+    class Private;
+    Private * const d;
+};
+
+} // namespace Plasma
+
+#endif // multiple inclusion guard