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Fix issue with one frame flicker in the transition between paint modes.

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Signed-off-by: Danilo Aimini <82231674+AMZN-daimini@users.noreply.github.com>
This commit is contained in:
Danilo Aimini
2021-09-15 14:44:27 -07:00
parent f6def71088
commit f111b67df6
1 changed files with 9 additions and 6 deletions
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Code/Framework/AzQtComponents/AzQtComponents/Components/FancyDockingGhostWidget.cpp
+9 -6
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@@ -48,7 +48,7 @@ namespace AzQtComponents
void FancyDockingGhostWidget::setPixmap(const QPixmap& pixmap, const QRect& targetRect, QScreen* screen)
{
const bool needsRepaint = m_pixmap.cacheKey() != pixmap.cacheKey() || m_clipToWidgets;
bool needsRepaint = m_pixmap.cacheKey() != pixmap.cacheKey() || m_clipToWidgets;
m_pixmap = pixmap;
if (pixmap.isNull() || targetRect.isNull() || !screen)
@@ -80,6 +80,7 @@ namespace AzQtComponents
QPoint midPoint = targetRect.topLeft() + QPoint(targetRect.width() / 2, targetRect.height() / 2);
QScreen* pointScreen = QApplication::screenAt(midPoint);
QRect rect(targetRect);
PaintMode paintMode = PaintMode::FULL;
if (!pointScreen || pointScreen != screen)
{
@@ -87,26 +88,28 @@ namespace AzQtComponents
{
rect.setLeft(rect.left() - rect.width());
rect.setTop(rect.top() - rect.height());
m_paintMode = PaintMode::BOTTOMRIGHT;
paintMode = PaintMode::BOTTOMRIGHT;
}
else
{
rect.setRight(rect.right() + rect.width());
rect.setTop(rect.top() - rect.height());
m_paintMode = PaintMode::BOTTOMLEFT;
paintMode = PaintMode::BOTTOMLEFT;
}
}
else
if (m_paintMode != paintMode)
{
m_paintMode = PaintMode::FULL;
needsRepaint = true;
}
setGeometry(rect);
m_paintMode = paintMode;
setPixmapVisible(true);
if (needsRepaint)
{
update();
repaint();
}
}