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-rw-r--r--examples/datavisualization/audiolevels/main.cpp6
-rw-r--r--examples/datavisualization/bars/main.cpp8
-rw-r--r--examples/datavisualization/custominput/main.cpp8
-rw-r--r--examples/datavisualization/customitems/main.cpp8
-rw-r--r--examples/datavisualization/customproxy/customproxy.pro1
-rw-r--r--examples/datavisualization/customproxy/main.cpp6
-rw-r--r--examples/datavisualization/draggableaxes/main.cpp8
-rw-r--r--examples/datavisualization/itemmodel/main.cpp8
-rw-r--r--examples/datavisualization/rotations/main.cpp8
-rw-r--r--examples/datavisualization/scatter/main.cpp8
-rw-r--r--examples/datavisualization/surface/main.cpp8
-rw-r--r--examples/datavisualization/texturesurface/main.cpp8
-rw-r--r--examples/datavisualization/volumetric/main.cpp8
13 files changed, 92 insertions, 1 deletions
diff --git a/examples/datavisualization/audiolevels/main.cpp b/examples/datavisualization/audiolevels/main.cpp
index a8de6adb..a526c2ef 100644
--- a/examples/datavisualization/audiolevels/main.cpp
+++ b/examples/datavisualization/audiolevels/main.cpp
@@ -31,6 +31,12 @@ int main(int argc, char *argv[])
QGuiApplication app(argc, argv);
Q3DBars window;
+
+ if (!window.hasContext()) {
+ qWarning() << QStringLiteral("Couldn't initialize the OpenGL context.") ;
+ return -1;
+ }
+
window.setFlags(window.flags() ^ Qt::FramelessWindowHint);
window.resize(800, 500);
window.setTitle("Qt Data Visualization - Microphone audio levels visualizer");
diff --git a/examples/datavisualization/bars/main.cpp b/examples/datavisualization/bars/main.cpp
index f6d8752c..9eb7a526 100644
--- a/examples/datavisualization/bars/main.cpp
+++ b/examples/datavisualization/bars/main.cpp
@@ -30,6 +30,7 @@
#include <QtWidgets/QSlider>
#include <QtWidgets/QFontComboBox>
#include <QtWidgets/QLabel>
+#include <QtWidgets/QMessageBox>
#include <QtGui/QScreen>
#include <QtGui/QFontDatabase>
@@ -41,6 +42,13 @@ int main(int argc, char **argv)
QWidget *container = QWidget::createWindowContainer(widgetgraph);
//! [0]
+ if (!widgetgraph->hasContext()) {
+ QMessageBox msgBox;
+ msgBox.setText("Couldn't initialize the OpenGL context.");
+ msgBox.exec();
+ return -1;
+ }
+
QSize screenSize = widgetgraph->screen()->size();
container->setMinimumSize(QSize(screenSize.width() / 2, screenSize.height() / 1.5));
container->setMaximumSize(screenSize);
diff --git a/examples/datavisualization/custominput/main.cpp b/examples/datavisualization/custominput/main.cpp
index a104854d..28d06d4f 100644
--- a/examples/datavisualization/custominput/main.cpp
+++ b/examples/datavisualization/custominput/main.cpp
@@ -30,6 +30,7 @@
#include <QtWidgets/QComboBox>
#include <QtWidgets/QFontComboBox>
#include <QtWidgets/QLabel>
+#include <QtWidgets/QMessageBox>
#include <QtGui/QScreen>
#include <QtGui/QFontDatabase>
@@ -39,6 +40,13 @@ int main(int argc, char **argv)
Q3DScatter *graph = new Q3DScatter();
QWidget *container = QWidget::createWindowContainer(graph);
+ if (!graph->hasContext()) {
+ QMessageBox msgBox;
+ msgBox.setText("Couldn't initialize the OpenGL context.");
+ msgBox.exec();
+ return -1;
+ }
+
QSize screenSize = graph->screen()->size();
container->setMinimumSize(QSize(screenSize.width() / 2, screenSize.height() / 1.5));
container->setMaximumSize(screenSize);
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);
diff --git a/examples/datavisualization/customproxy/customproxy.pro b/examples/datavisualization/customproxy/customproxy.pro
index 454c81e9..fd5e0852 100644
--- a/examples/datavisualization/customproxy/customproxy.pro
+++ b/examples/datavisualization/customproxy/customproxy.pro
@@ -23,4 +23,3 @@ RESOURCES += customproxy.qrc
OTHER_FILES += doc/src/* \
doc/images/* \
data/raindata.txt
-
diff --git a/examples/datavisualization/customproxy/main.cpp b/examples/datavisualization/customproxy/main.cpp
index 9c5373e4..b9118668 100644
--- a/examples/datavisualization/customproxy/main.cpp
+++ b/examples/datavisualization/customproxy/main.cpp
@@ -29,6 +29,12 @@ int main(int argc, char **argv)
QGuiApplication app(argc, argv);
Q3DBars *rainfall = new Q3DBars;
+
+ if (!rainfall->hasContext()) {
+ qWarning() << QStringLiteral("Couldn't initialize the OpenGL context.") ;
+ return -1;
+ }
+
rainfall->setFlags(rainfall->flags() ^ Qt::FramelessWindowHint);
rainfall->resize(1000, 800);
rainfall->setPosition(QPoint(10, 30));
diff --git a/examples/datavisualization/draggableaxes/main.cpp b/examples/datavisualization/draggableaxes/main.cpp
index a511935b..8d9bc8ec 100644
--- a/examples/datavisualization/draggableaxes/main.cpp
+++ b/examples/datavisualization/draggableaxes/main.cpp
@@ -26,6 +26,7 @@
#include <QtWidgets/QHBoxLayout>
#include <QtWidgets/QVBoxLayout>
#include <QtWidgets/QCommandLinkButton>
+#include <QtWidgets/QMessageBox>
int main(int argc, char **argv)
{
@@ -33,6 +34,13 @@ int main(int argc, char **argv)
Q3DScatter *graph = new Q3DScatter();
QWidget *container = QWidget::createWindowContainer(graph);
+ if (!graph->hasContext()) {
+ QMessageBox msgBox;
+ msgBox.setText("Couldn't initialize the OpenGL context.");
+ msgBox.exec();
+ return -1;
+ }
+
container->setMinimumSize(800, 600);
container->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
container->setFocusPolicy(Qt::StrongFocus);
diff --git a/examples/datavisualization/itemmodel/main.cpp b/examples/datavisualization/itemmodel/main.cpp
index 77ec57a4..57fbb563 100644
--- a/examples/datavisualization/itemmodel/main.cpp
+++ b/examples/datavisualization/itemmodel/main.cpp
@@ -36,6 +36,7 @@
#include <QtGui/QFont>
#include <QtCore/QDebug>
#include <QtWidgets/QHeaderView>
+#include <QtWidgets/QMessageBox>
#define USE_STATIC_DATA
@@ -248,6 +249,13 @@ int main(int argc, char **argv)
QWidget *container = QWidget::createWindowContainer(graph);
//! [0]
+ if (!graph->hasContext()) {
+ QMessageBox msgBox;
+ msgBox.setText("Couldn't initialize the OpenGL context.");
+ msgBox.exec();
+ return -1;
+ }
+
QSize screenSize = graph->screen()->size();
container->setMinimumSize(QSize(screenSize.width() / 2, screenSize.height() / 2));
container->setMaximumSize(screenSize);
diff --git a/examples/datavisualization/rotations/main.cpp b/examples/datavisualization/rotations/main.cpp
index db38b401..40d160bb 100644
--- a/examples/datavisualization/rotations/main.cpp
+++ b/examples/datavisualization/rotations/main.cpp
@@ -28,6 +28,7 @@
#include <QtWidgets/QPushButton>
#include <QtWidgets/QSlider>
#include <QtWidgets/QLabel>
+#include <QtWidgets/QMessageBox>
#include <QtGui/QScreen>
int main(int argc, char **argv)
@@ -36,6 +37,13 @@ int main(int argc, char **argv)
Q3DScatter *graph = new Q3DScatter();
QWidget *container = QWidget::createWindowContainer(graph);
+ if (!graph->hasContext()) {
+ QMessageBox msgBox;
+ msgBox.setText("Couldn't initialize the OpenGL context.");
+ msgBox.exec();
+ return -1;
+ }
+
QSize screenSize = graph->screen()->size();
container->setMinimumSize(QSize(screenSize.width() / 2, screenSize.height() / 1.5));
container->setMaximumSize(screenSize);
diff --git a/examples/datavisualization/scatter/main.cpp b/examples/datavisualization/scatter/main.cpp
index 5d417737..c734f86c 100644
--- a/examples/datavisualization/scatter/main.cpp
+++ b/examples/datavisualization/scatter/main.cpp
@@ -30,6 +30,7 @@
#include <QtWidgets/QComboBox>
#include <QtWidgets/QFontComboBox>
#include <QtWidgets/QLabel>
+#include <QtWidgets/QMessageBox>
#include <QtGui/QScreen>
#include <QtGui/QFontDatabase>
@@ -41,6 +42,13 @@ int main(int argc, char **argv)
QWidget *container = QWidget::createWindowContainer(graph);
//! [0]
+ if (!graph->hasContext()) {
+ QMessageBox msgBox;
+ msgBox.setText("Couldn't initialize the OpenGL context.");
+ msgBox.exec();
+ return -1;
+ }
+
QSize screenSize = graph->screen()->size();
container->setMinimumSize(QSize(screenSize.width() / 2, screenSize.height() / 1.5));
container->setMaximumSize(screenSize);
diff --git a/examples/datavisualization/surface/main.cpp b/examples/datavisualization/surface/main.cpp
index ca5783af..5e7bd50c 100644
--- a/examples/datavisualization/surface/main.cpp
+++ b/examples/datavisualization/surface/main.cpp
@@ -31,6 +31,7 @@
#include <QtWidgets/QGroupBox>
#include <QtWidgets/QComboBox>
#include <QtWidgets/QLabel>
+#include <QtWidgets/QMessageBox>
#include <QtGui/QPainter>
#include <QtGui/QScreen>
@@ -42,6 +43,13 @@ int main(int argc, char **argv)
QWidget *container = QWidget::createWindowContainer(graph);
//! [0]
+ if (!graph->hasContext()) {
+ QMessageBox msgBox;
+ msgBox.setText("Couldn't initialize the OpenGL context.");
+ msgBox.exec();
+ return -1;
+ }
+
QSize screenSize = graph->screen()->size();
container->setMinimumSize(QSize(screenSize.width() / 2, screenSize.height() / 1.6));
container->setMaximumSize(screenSize);
diff --git a/examples/datavisualization/texturesurface/main.cpp b/examples/datavisualization/texturesurface/main.cpp
index b2e7c9e3..adea272e 100644
--- a/examples/datavisualization/texturesurface/main.cpp
+++ b/examples/datavisualization/texturesurface/main.cpp
@@ -28,6 +28,7 @@
#include <QtWidgets/QGroupBox>
#include <QtWidgets/QCheckBox>
#include <QtWidgets/QLabel>
+#include <QtWidgets/QMessageBox>
#include <QtGui/QScreen>
#include <QtGui/QPainter>
@@ -37,6 +38,13 @@ 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;
+ }
+
QSize screenSize = graph->screen()->size();
container->setMinimumSize(QSize(screenSize.width() / 2, screenSize.height() / 1.6));
container->setMaximumSize(screenSize);
diff --git a/examples/datavisualization/volumetric/main.cpp b/examples/datavisualization/volumetric/main.cpp
index 0508a1b3..b31fa981 100644
--- a/examples/datavisualization/volumetric/main.cpp
+++ b/examples/datavisualization/volumetric/main.cpp
@@ -30,6 +30,7 @@
#include <QtWidgets/QCheckBox>
#include <QtWidgets/QLabel>
#include <QtWidgets/QGroupBox>
+#include <QtWidgets/QMessageBox>
#include <QtGui/QScreen>
int main(int argc, char **argv)
@@ -38,6 +39,13 @@ int main(int argc, char **argv)
Q3DScatter *graph = new Q3DScatter();
QWidget *container = QWidget::createWindowContainer(graph);
+ if (!graph->hasContext()) {
+ QMessageBox msgBox;
+ msgBox.setText("Couldn't initialize the OpenGL context.");
+ msgBox.exec();
+ return -1;
+ }
+
QSize screenSize = graph->screen()->size();
container->setMinimumSize(QSize(screenSize.width() / 3, screenSize.height() / 3));
container->setMaximumSize(screenSize);
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-19 10:20:42 +0000