[vte] widget: Scroll events have no button

[Christian Persch <chpe src gnome org>]

commit 37722d9a7c13f32ed62caa817f7b26413c7c3b8a
Author: Christian Persch <chpe src gnome org>
Date:   Mon Nov 2 23:02:18 2020 +0100

    widget: Scroll events have no button

 src/widget.cc | 4 ----
 src/widget.hh | 3 +--
 2 files changed, 1 insertion(+), 6 deletions(-)
---
diff --git a/src/widget.cc b/src/widget.cc
index b5b741c9..b0fe5f3e 100644
--- a/src/widget.cc
+++ b/src/widget.cc
@@ -492,9 +492,6 @@ Widget::mouse_event_from_gdk(GdkEvent* event) const /* throws */
 ScrollEvent
 Widget::scroll_event_from_gdk(GdkEvent* event) const /* throws */
 {
-        auto button = unsigned{0};
-        (void)gdk_event_get_button(event, &button);
-
         auto x = double{}, y = double{};
         if (gdk_event_get_window(event) != m_event_window ||
             !gdk_event_get_coords(event, &x, &y))
@@ -517,7 +514,6 @@ Widget::scroll_event_from_gdk(GdkEvent* event) const /* throws */
         }
 
         return {read_modifiers_from_gdk(event),
-                ScrollEvent::Button(button),
                 x, y,
                 dx, dy};
 }
diff --git a/src/widget.hh b/src/widget.hh
index 5cdc382a..295789bd 100644
--- a/src/widget.hh
+++ b/src/widget.hh
@@ -206,7 +206,6 @@ protected:
         ScrollEvent() noexcept = default;
 
         constexpr ScrollEvent(unsigned modifiers,
-                              Button button,
                               double x,
                               double y,
                               double dx,
@@ -214,7 +213,7 @@ protected:
                 : MouseEvent{EventBase::Type::eMOUSE_SCROLL,
                              1, // press count
                              modifiers,
-                             button,
+                             MouseEvent::Button::eNONE,
                              x,
                              y},
                   m_dx{dx},