1 files changed, 137 insertions, 0 deletions
diff --git a/src/GraphicsButtonObject.cpp b/src/GraphicsButtonObject.cpp
new file mode 100644
index 0000000..d5697fa
--- /dev/null
+++ b/src/GraphicsButtonObject.cpp
@@ -0,0 +1,137 @@
+#include <QDebug>
+#include <QGraphicsSceneMouseEvent>
+#include <QPainter>
+#include <QPainterPath>
+#include <QFontMetrics>
+
+#include "GraphicsButtonObject.h"
+
+QPixmap *GraphicsButtonObject::s_tmpGfx = 0;
+int GraphicsButtonObject::s_ref = 0;
+
+GraphicsButtonObject::GraphicsButtonObject(const QPixmap &releasedPixmap,
+                                           QGraphicsPixmapItem *parent,
+                                           QGraphicsScene *scene)
+                                               : QObject(0),
+                                               QGraphicsPixmapItem(releasedPixmap, parent, scene)
+
+{
+    s_ref++;
+    m_releasedGfx = releasedPixmap;
+}
+
+GraphicsButtonObject::GraphicsButtonObject(QGraphicsPixmapItem *parent,
+                                           QGraphicsScene *scene)
+                                               : QObject(0),
+                                               QGraphicsPixmapItem(parent, scene)
+
+{
+    s_ref++;
+}
+
+GraphicsButtonObject::GraphicsButtonObject(const QString &str,
+                                           QGraphicsPixmapItem *parent,
+                                           QGraphicsScene *scene)
+                                               : QObject(0),
+                                               QGraphicsPixmapItem(parent, scene)
+{
+    s_ref++;
+
+    int pw = 280;
+    int ph = 60;
+
+    // Draw the gradients only once
+    if (!s_tmpGfx)
+    {
+        //DBG("generating button gradients");
+
+        s_tmpGfx = new QPixmap(pw, ph);
+        QPainter painter(s_tmpGfx);
+
+        painter.setPen(Qt::NoPen);
+
+        painter.setBrush(Qt::white);
+        painter.drawRect(s_tmpGfx->rect());
+
+        QLinearGradient grad;
+
+        grad.setCoordinateMode(QGradient::ObjectBoundingMode);
+
+        grad.setStart(0, 0);
+        grad.setFinalStop(0, 1);
+
+        grad.setColorAt(0, Qt::white);
+        grad.setColorAt(0.20, QColor(137, 175, 201));
+        grad.setColorAt(0.35, QColor(35, 136, 207));
+        grad.setColorAt(0.5, QColor(32, 98, 145));
+        grad.setColorAt(0.65, QColor(35, 136, 207));
+        grad.setColorAt(0.80, QColor(137, 175, 201));
+        grad.setColorAt(1, Qt::white);
+
+        painter.setBrush(QBrush(grad));
+        painter.drawRect(4, 4, pw-8, ph-8);
+    }
+
+    QPixmap released = QPixmap(*s_tmpGfx);
+    QPainter painter(&released);
+
+    QFont font("Arial", 36);
+    font.setLetterSpacing(QFont::PercentageSpacing, 95);
+
+    QFontMetrics metrics(font);
+    QRect bbox = metrics.boundingRect(str);
+
+    QPainterPath path;
+
+    int x = (ph - metrics.height()) / 2;
+    path.addText(pw/2-bbox.width()/2, x + metrics.ascent(),  font, str);
+
+    painter.setRenderHint(QPainter::Antialiasing);
+    painter.setPen(QPen(Qt::black, 3));
+    painter.setBrush(Qt::white);
+    painter.drawPath(path);
+
+    QPixmap pressed(released);
+
+    QPainter painter2(&pressed);
+    painter2.setBrush(QColor(0, 0, 0, 127));
+    painter2.drawRect(pressed.rect());
+
+    m_releasedGfx = released;
+    m_pressedGfx = pressed;
+
+    setPixmap(released);
+}
+
+GraphicsButtonObject::~GraphicsButtonObject()
+{
+    s_ref--;
+
+    if (s_tmpGfx && s_ref == 0)
+    {
+        delete s_tmpGfx;
+        s_tmpGfx = 0;
+    }
+}
+
+void GraphicsButtonObject::setPressedPixmap(const QPixmap &pixmap)
+{
+    m_pressedGfx = pixmap;
+}
+
+void GraphicsButtonObject::setReleasedPixmap(const QPixmap &pixmap)
+{
+    m_releasedGfx = pixmap;
+}
+
+void GraphicsButtonObject::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
+{
+    setPixmap(m_releasedGfx);
+    emit clicked();
+}
+
+void GraphicsButtonObject::mousePressEvent(QGraphicsSceneMouseEvent *event)
+{
+    setPixmap(m_pressedGfx);
+}
+