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Merge pull request #21856 from LaurentBerger:I21853

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Try to solve I21853 mouse wheel problem with GTK3
pull/21936/head^2
OpenCV Pushbot 3 years ago committed by GitHub
parent f63feea05e ca2ab3387f
commit 039f3d01a0
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1 changed files with 1 additions and 1 deletions
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  1. 2
      modules/highgui/src/window_gtk.cpp

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modules/highgui/src/window_gtk.cpp
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@ -1831,7 +1831,7 @@ static gboolean icvOnMouse( GtkWidget *widget, GdkEvent *event, gpointer user_da
#if defined(GTK_VERSION3_4) #if defined(GTK_VERSION3_4)
// NOTE: in current implementation doesn't possible to put into callback function delta_x and delta_y separately // NOTE: in current implementation doesn't possible to put into callback function delta_x and delta_y separately
double delta = (event->scroll.delta_x + event->scroll.delta_y); double delta = (event->scroll.delta_x + event->scroll.delta_y);
cv_event = (event->scroll.delta_y!=0) ? CV_EVENT_MOUSEHWHEEL : CV_EVENT_MOUSEWHEEL; cv_event = (event->scroll.delta_x==0) ? CV_EVENT_MOUSEWHEEL : CV_EVENT_MOUSEHWHEEL;
#else #else
cv_event = CV_EVENT_MOUSEWHEEL; cv_event = CV_EVENT_MOUSEWHEEL;
#endif //GTK_VERSION3_4 #endif //GTK_VERSION3_4

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