text scroller: added scrolling with mouse (patch by Erik Ölsar)

git-svn-id: http://svn.code.sf.net/p/qmmp-dev/code/trunk/qmmp@1233 90c681e8-e032-0410-971d-27865f9a5e38

2 files changed, 32 insertions, 1 deletions

diff --git a/src/ui/textscroller.cpp b/src/ui/textscroller.cpp
index 577403ba7..6e7687c7e 100644
--- a/src/ui/textscroller.cpp
+++ b/src/ui/textscroller.cpp
@@ -181,7 +181,34 @@ void TextScroller::mousePressEvent (QMouseEvent *e)
 {
     if (e->button() == Qt::RightButton)
         m_menu->exec(e->globalPos());
-    else
+    else if (e->button() == Qt::LeftButton && m_autoscroll) {
+        m_timer->stop();
+        press_pos = e->x() - (x + 154);
+        m_pressing = TRUE;
+    } else
         QWidget::mousePressEvent(e);
 }
 
+void TextScroller::mouseReleaseEvent (QMouseEvent *e)
+{
+    if (e->button() == Qt::RightButton)
+        m_menu->exec(e->globalPos());
+    else if (e->button() == Qt::LeftButton && m_autoscroll) {
+        m_timer->start();
+        m_pressing = FALSE;
+    } else
+        QWidget::mouseReleaseEvent(e);
+}
+
+void TextScroller::mouseMoveEvent (QMouseEvent *e)
+{
+    if (m_pressing) {
+        int bound = m_metrics->width (m_scrollText) + 15 - 1;
+        x = (e->x() - press_pos) % bound;
+        if (x < 0)
+        	x += bound;
+        x = x - bound - 154;
+        update();
+    } else
+        QWidget::mouseMoveEvent(e);
+}
diff --git a/src/ui/textscroller.h b/src/ui/textscroller.h
index bab7b5998..895796ca1 100644
--- a/src/ui/textscroller.h
+++ b/src/ui/textscroller.h
@@ -57,8 +57,12 @@ protected:
     void showEvent (QShowEvent *);
     void paintEvent (QPaintEvent *);
     void mousePressEvent (QMouseEvent *);
+    void mouseReleaseEvent (QMouseEvent *);
+    void mouseMoveEvent (QMouseEvent *);
 
 private:
+    bool m_pressing;
+    int press_pos;
     bool m_update;
     static TextScroller *pointer;
     QPixmap m_pixmap;