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  1. Qt
  2. QTBUG-73949

Qt should provide some right click emulation for touchscreen on non Windows platforms.

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    • Linux/Wayland, Linux/X11

      Windows provide by itself a global right click emulation on touchscreen by long hold, but under Linux there nothing like this out of box is provided and most of Qt apps are just unusable on touchscreen under it. Chromium and Gnome apps can emulate right click, but Qt apps can't do this.
      I searched Qt sources to find how does Qt syntesate mouse events from touch events and it seems that the case when right click isn't provided by OS was not considered.

      https://github.com/qt/qtbase/blob/5.12/src/gui/kernel/qguiapplication.cpp#L2886

        For Gerrit Dashboard: QTBUG-73949
        # Subject Branch Project Status CR V
        270852,1 Added ability to emulate right click for widgets which do not accepted touch events dev qt/qtbase Status: NEW -1 0
        288906,1 Mouse right button emulation on touchscreen on non Windows platforms dev qt/qtbase Status: NEW -1 0
        370529,4 Add an attribute for right-click synthesis from unhandled touch events dev qt/qtbase Status: NEW -1 0

            srutledg Shawn Rutledge
            andrey_yashkin Andrey Yashkin
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              Created:
              Updated: