diff options
author | Morten Johan Sørvig <morten.sorvig@digia.com> | 2014-05-22 09:38:34 +0200 |
---|---|---|
committer | The Qt Project <gerrit-noreply@qt-project.org> | 2014-05-26 15:06:12 +0200 |
commit | b214c177ea799baa33fe7ef7cf6446407928a38b (patch) | |
tree | 486bdaea852f027fba802ef8372a1b7376fb0e24 /src/plugins | |
parent | 1ac0f953ba70ceda76e90918ab4ae7ebe2339969 (diff) |
Make QT_MAC_OPENGL_SURFACE_ORDER=-1 work better
Mark the window as not opaque and give it a transparent
background when layering OpenGL below the window.
Change-Id: I2188842249c592f17619f7a2c3ef1fd30958987e
Reviewed-by: Gabriel de Dietrich <gabriel.dedietrich@digia.com>
Diffstat (limited to 'src/plugins')
-rw-r--r-- | src/plugins/platforms/cocoa/qcocoawindow.mm | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/src/plugins/platforms/cocoa/qcocoawindow.mm b/src/plugins/platforms/cocoa/qcocoawindow.mm index 0f51d0664c..7ab7486ce9 100644 --- a/src/plugins/platforms/cocoa/qcocoawindow.mm +++ b/src/plugins/platforms/cocoa/qcocoawindow.mm @@ -999,9 +999,14 @@ bool QCocoaWindow::isExposed() const bool QCocoaWindow::isOpaque() const { + // OpenGL surfaces can be ordered either above(default) or below the NSWindow. + // When ordering below the window must be tranclucent. + static GLint openglSourfaceOrder = qt_mac_resolveOption(1, "QT_MAC_OPENGL_SURFACE_ORDER"); + bool translucent = (window()->format().alphaBufferSize() > 0 || window()->opacity() < 1 - || (m_qtView && [m_qtView hasMask])); + || (m_qtView && [m_qtView hasMask])) + || (surface()->supportsOpenGL() && openglSourfaceOrder == -1); return !translucent; } @@ -1402,7 +1407,13 @@ QCocoaNSWindow * QCocoaWindow::createNSWindow() NSInteger level = windowLevel(flags); [createdWindow setLevel:level]; - if (window()->format().alphaBufferSize() > 0) { + // OpenGL surfaces can be ordered either above(default) or below the NSWindow. + // When ordering below the window must be tranclucent and have a clear background color. + static GLint openglSourfaceOrder = qt_mac_resolveOption(1, "QT_MAC_OPENGL_SURFACE_ORDER"); + + bool isTranslucent = window()->format().alphaBufferSize() > 0 + || (surface()->supportsOpenGL() && openglSourfaceOrder == -1); + if (isTranslucent) { [createdWindow setBackgroundColor:[NSColor clearColor]]; [createdWindow setOpaque:NO]; } |