diff options
author | Laszlo Agocs <laszlo.agocs@digia.com> | 2014-03-07 12:56:13 +0100 |
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committer | The Qt Project <gerrit-noreply@qt-project.org> | 2014-03-14 18:21:02 +0100 |
commit | 406290856d1ff76b789f919c0fd98ed1ef40ae8e (patch) | |
tree | 066e0f486b7e955cdcbff13cd6d0ac6e60557ad1 /examples/opengl | |
parent | 6a9f917b6a1598c113894057110d16d109ecad43 (diff) |
contextinfo: Make it more responsive and improve error handling
Change-Id: If05cd906edc8b7f1fd4744d8d0a392aeec46a454
Reviewed-by: Jørgen Lind <jorgen.lind@digia.com>
Diffstat (limited to 'examples/opengl')
-rw-r--r-- | examples/opengl/contextinfo/renderwindow.cpp | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/examples/opengl/contextinfo/renderwindow.cpp b/examples/opengl/contextinfo/renderwindow.cpp index 85fb19bd1a..af51de1d67 100644 --- a/examples/opengl/contextinfo/renderwindow.cpp +++ b/examples/opengl/contextinfo/renderwindow.cpp @@ -174,7 +174,7 @@ void RenderWindow::setupVertexAttribs() void RenderWindow::render() { if (!m_context->makeCurrent(this)) { - qWarning("makeCurrent() failed"); + emit error(tr("makeCurrent() failed")); return; } @@ -216,5 +216,10 @@ void RenderWindow::render() m_context->swapBuffers(this); m_angle += 1.0f; - QTimer::singleShot(0, this, SLOT(render())); + + // Instead of 0 wait a few more milliseconds before rendering again. This is + // only here to make the UI widgets more responsive on slower machines. We + // can afford it since our rendering is so lightweight. + const int interval = 5; + QTimer::singleShot(interval, this, SLOT(render())); } |