diff options
author | Miikka Heikkinen <miikka.heikkinen@theqtcompany.com> | 2015-12-29 12:27:48 +0200 |
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committer | Miikka Heikkinen <miikka.heikkinen@theqtcompany.com> | 2015-12-30 08:45:14 +0000 |
commit | 64f0d4fb353ae2e447483897839d4df8b5b32f54 (patch) | |
tree | feb89a4253b05c20377b980773edc7619bbae0b9 /examples/datavisualization/customitems/main.cpp | |
parent | 104c12823b1cbccb2a25593b0af319c0a42abbb5 (diff) |
Add a method for checking if context was successfully created
Now it is possible to check after graph construction if the graph
is actually usable in environments where the OpenGL support might
not be sufficient.
Task-number: QTRD-3748
Change-Id: Ia68b4e51386859f6d0c7b09cb44e50a74730ca55
Reviewed-by: Titta Heikkala <titta.heikkala@theqtcompany.com>
Diffstat (limited to 'examples/datavisualization/customitems/main.cpp')
-rw-r--r-- | examples/datavisualization/customitems/main.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/examples/datavisualization/customitems/main.cpp b/examples/datavisualization/customitems/main.cpp index 1e96a64a..138b1467 100644 --- a/examples/datavisualization/customitems/main.cpp +++ b/examples/datavisualization/customitems/main.cpp @@ -27,6 +27,7 @@ #include <QtWidgets/QVBoxLayout> #include <QtWidgets/QCheckBox> #include <QtWidgets/QLabel> +#include <QtWidgets/QMessageBox> int main(int argc, char **argv) { @@ -34,6 +35,13 @@ int main(int argc, char **argv) Q3DSurface *graph = new Q3DSurface(); QWidget *container = QWidget::createWindowContainer(graph); + if (!graph->hasContext()) { + QMessageBox msgBox; + msgBox.setText("Couldn't initialize the OpenGL context."); + msgBox.exec(); + return -1; + } + container->setMinimumSize(QSize(800, 600)); container->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding); container->setFocusPolicy(Qt::StrongFocus); |