make it a bit better

1 files changed, 4 insertions, 1 deletions

diff --git a/src/frontend/qt_sdl/VideoSettingsDialog.cpp b/src/frontend/qt_sdl/VideoSettingsDialog.cpp
index 09f1ab4..9645a3d 100644
--- a/src/frontend/qt_sdl/VideoSettingsDialog.cpp
+++ b/src/frontend/qt_sdl/VideoSettingsDialog.cpp
@@ -59,7 +59,7 @@ VideoSettingsDialog::VideoSettingsDialog(QWidget* parent) : QDialog(parent), ui(
     for (int i = 1; i <= 16; i++)
         ui->cbxGLResolution->addItem(QString("%1x native (%2x%3)").arg(i).arg(256*i).arg(192*i));
     ui->cbxGLResolution->setCurrentIndex(Config::GL_ScaleFactor-1);
-
+printf("GL scale = %d\n", Config::GL_ScaleFactor);
     if (Config::_3DRenderer == 0)
     {
         ui->cbGLDisplay->setEnabled(true);
@@ -145,6 +145,9 @@ void VideoSettingsDialog::on_cbSoftwareThreaded_stateChanged(int state)
 
 void VideoSettingsDialog::on_cbxGLResolution_currentIndexChanged(int idx)
 {
+    // prevent a spurious change
+    if (ui->cbxGLResolution->count() < 16) return;
+
     Config::GL_ScaleFactor = idx+1;
 
     emit updateVideoSettings(false);