GitLab

 src/w32term.c (w32_scroll_bar_handle_click)
 (w32_horizontal_scroll_bar_handle_click)
 (x_scroll_bar_report_motion)
 (x_horizontal_scroll_bar_report_motion): For SB_THUMBPOSITION and
 SB_THUMBTRACK, use the 32-bit position information returned by
 GetScrollInfo, not the 16-bit information returned in the Windows
 message sent to us.