Changeset 77222 in vbox

Timestamp:

Feb 8, 2019 2:41:34 PM (6 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

128729

Message:

FE/Qt: bugref:9373: Sync UIGraphicsScrollBar mouse-press event and UIGraphicsScrollBarToken mouse-move event.

File:

• trunk/src/VBox/Frontends/VirtualBox/src/widgets/graphics/UIGraphicsScrollBar.cpp (modified) (3 diffs)

trunk/src/VBox/Frontends/VirtualBox/src/widgets/graphics/UIGraphicsScrollBar.cpp

@@ -284 +284 @@
     /* Redirect to token move handler: */
     sltTokenMoved(pEvent->pos());
-    layoutToken();
 }
 
@@ -366 +365 @@
         case Qt::Horizontal:
         {
-            /* We have to adjust the X coord of the token, leaving Y unchanged: */
-            int iX = pos.x();
+            /* We have to calculate the X coord of the token, leaving Y untouched: */
             const int iMin = m_iExtent;
             const int iMax = size().width() - 2 * m_iExtent;
-            if (iX < iMin)
-                iX = iMin;
-            if (iX > iMax)
-                iX = iMax;
-            /* We also calculating new ratio to update value same way: */
-            dRatio = (double)(iX - iMin) / (iMax - iMin);
-            m_pToken->setPos(iX, 0);
+            int iX = pos.x() - m_iExtent / 2;
+            iX = qMax(iX, iMin);
+            iX = qMin(iX, iMax);
+            /* And then calculate new ratio to update value finally: */
+            dRatio = iMax > iMin ? (double)(iX - iMin) / (iMax - iMin) : 0;
             break;
         }
         case Qt::Vertical:
         {
-            /* We have to adjust the Y coord of the token, leaving X unchanged: */
-            int iY = pos.y();
+            /* We have to calculate the Y coord of the token, leaving X untouched: */
             const int iMin = m_iExtent;
             const int iMax = size().height() - 2 * m_iExtent;
-            if (iY < iMin)
-                iY = iMin;
-            if (iY > iMax)
-                iY = iMax;
-            /* We also calculating new ratio to update value same way: */
-            dRatio = (double)(iY - iMin) / (iMax - iMin);
-            m_pToken->setPos(0, iY);
+            int iY = pos.y() - m_iExtent / 2;
+            iY = qMax(iY, iMin);
+            iY = qMin(iY, iMax);
+            /* And then calculate new ratio to update value finally: */
+            dRatio = iMax > iMin ? (double)(iY - iMin) / (iMax - iMin) : 0;
             break;
         }
@@ -399 +392 @@
     m_iValue = dRatio * (m_iMaximum - m_iMinimum) + m_iMinimum;
     emit sigValueChanged(m_iValue);
+    layoutToken();
 }