From e96efe4610936f8d87eaa3cb1a11ddd6867f9324 Mon Sep 17 00:00:00 2001
From: Pekka Nissinen <pekka.nissinen@ixonos.com>
Date: Mon, 10 May 2010 11:20:52 +0300
Subject: [PATCH] Added a new all-purpose image button class

---
 src/ui/imagebutton.cpp |   77 +++++++++++++++++++++++++++++++++++++++++++
 src/ui/imagebutton.h   |   86 ++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 163 insertions(+)
 create mode 100644 src/ui/imagebutton.cpp
 create mode 100644 src/ui/imagebutton.h

diff --git a/src/ui/imagebutton.cpp b/src/ui/imagebutton.cpp
new file mode 100644
index 0000000..7a9f003
--- /dev/null
+++ b/src/ui/imagebutton.cpp
@@ -0,0 +1,77 @@
+/*
+   Situare - A location system for Facebook
+   Copyright (C) 2010  Ixonos Plc. Authors:
+
+       Pekka Nissinen - pekka.nissinen@ixonos.com
+
+   Situare is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License
+   version 2 as published by the Free Software Foundation.
+
+   Situare 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 General Public License
+   along with Situare; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
+   USA.
+*/
+
+#include <QDebug>
+#include <QPixmap>
+#include <QPainter>
+#include <QAbstractButton>
+
+#include "imagebutton.h"
+
+ImageButton::ImageButton(QWidget *parent, QString normalIconPictureFileName,
+                     QString selectedIconPictureFileName)
+    : QPushButton(parent),
+      m_buttonMode(QIcon::Normal)
+{
+    qDebug() << __PRETTY_FUNCTION__;
+
+    QPixmap iconPixmap(normalIconPictureFileName);
+    m_buttonSize = iconPixmap.size(); // Get the button size from the normal state icon picture
+    QIcon icon(iconPixmap);
+
+    // If there is a picture for selected state, use it instead of a simple highlight change
+    if(selectedIconPictureFileName != "")
+        icon.addFile(selectedIconPictureFileName, m_buttonSize, QIcon::Selected);
+
+    setIcon(icon);
+    setIconSize(m_buttonSize);
+    setFixedSize(m_buttonSize);
+}
+
+void ImageButton::mousePressEvent(QMouseEvent *event)
+{
+    qDebug() << __PRETTY_FUNCTION__;
+
+    QAbstractButton::mousePressEvent(event);
+
+    m_buttonMode = QIcon::Selected;
+    update();
+}
+
+void ImageButton::mouseReleaseEvent(QMouseEvent *event)
+{
+    qDebug() << __PRETTY_FUNCTION__;
+
+    QAbstractButton::mouseReleaseEvent(event);
+
+    m_buttonMode = QIcon::Normal;
+    update();
+}
+
+void ImageButton::paintEvent(QPaintEvent *event)
+{
+    qDebug() << __PRETTY_FUNCTION__;
+
+    Q_UNUSED(event);
+
+    QPainter painter(this);
+    icon().paint(&painter, this->rect(), NULL, m_buttonMode);
+}
diff --git a/src/ui/imagebutton.h b/src/ui/imagebutton.h
new file mode 100644
index 0000000..b748d41
--- /dev/null
+++ b/src/ui/imagebutton.h
@@ -0,0 +1,86 @@
+/*
+   Situare - A location system for Facebook
+   Copyright (C) 2010  Ixonos Plc. Authors:
+
+       Pekka Nissinen - pekka.nissinen@ixonos.com
+
+   Situare is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License
+   version 2 as published by the Free Software Foundation.
+
+   Situare 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 General Public License
+   along with Situare; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
+   USA.
+*/
+
+#ifndef IMAGEBUTTON_H
+#define IMAGEBUTTON_H
+
+#include <QIcon>
+#include <QSize>
+#include <QString>
+#include <QPushButton>
+#include <QMouseEvent>
+#include <QPaintEvent>
+
+/**
+* @brief A simple class for icon button
+*
+* @author Pekka Nissinen - pekka.nissinen (at) ixonos.com
+*/
+class ImageButton : public QPushButton
+{
+    Q_OBJECT
+
+public:
+    /**
+    * @brief Constructor
+    *
+    * @param parent Parent
+    * @param normalIconPictureFileName Normal state Icon image file name
+    * @param selectedIconPictureFileName Selected state Icon image file name (optional)
+    */
+    ImageButton(QWidget *parent = 0, QString normalIconPictureFileName = "",
+              QString selectedIconPictureFileName = "");
+
+/*******************************************************************************
+ * BASE CLASS INHERITED AND REIMPLEMENTED MEMBER FUNCTIONS
+ ******************************************************************************/
+protected:
+    /**
+    * @brief Event handler for mouse press events
+    *
+    * @param event Mouse event
+    */
+    void mousePressEvent(QMouseEvent *event);
+
+    /**
+    * @brief Event handler for mouse release events
+    *
+    * @param event Mouse event
+    */
+    void mouseReleaseEvent(QMouseEvent *event);
+
+    /**
+    * @brief Event handler for paint events
+    *
+    * Paints the button and its icon
+    * @param event Paint event
+    */
+    void paintEvent(QPaintEvent *event);
+
+/*******************************************************************************
+ * DATA MEMBERS
+ ******************************************************************************/
+private:
+    QIcon::Mode m_buttonMode; ///< Button mode (Normal, Selected etc...)
+    QSize m_buttonSize; ///< Button size
+};
+
+#endif // IMAGEBUTTON_H
-- 
1.7.9.5