ATTRIBS CHECK_DRIVE COMBOLBOX_builtin_class combolboxW HAS_STRINGS IS_MULTISELECT IS_OWNERDRAW ISWIN31 LB_ARRAY_GRANULARITY LB_SCROLL_TIMEOUT LB_TIMER_DOWN LB_TIMER_ID LB_TIMER_LEFT LB_TIMER_NONE LB_TIMER_RIGHT LB_TIMER_UP LBS_DISPLAYCHANGED LISTBOX_builtin_class LISTBOX_Create LISTBOX_DeleteItem LISTBOX_Destroy LISTBOX_Directory LISTBOX_DrawFocusRect LISTBOX_FindFileStrPos LISTBOX_FindString LISTBOX_FindStringPos LISTBOX_GetCurrentPageSize LISTBOX_GetItemFromPoint LISTBOX_GetItemHeight LISTBOX_GetItemRect LISTBOX_GetMaxTopIndex LISTBOX_GetSelCount LISTBOX_GetSelItems LISTBOX_GetText LISTBOX_HandleChar LISTBOX_HandleHScroll LISTBOX_HandleKeyDown LISTBOX_HandleLButtonDown LISTBOX_HandleLButtonDownCombo LISTBOX_HandleLButtonUp LISTBOX_HandleMouseMove LISTBOX_HandleMouseWheel LISTBOX_HandleSystemTimer LISTBOX_HandleTimer LISTBOX_HandleVScroll LISTBOX_InitStorage LISTBOX_InsertItem LISTBOX_InsertString LISTBOX_InvalidateItemRect LISTBOX_InvalidateItems LISTBOX_lstrcmpiW LISTBOX_MakeItemVisible LISTBOX_MoveCaret LISTBOX_Paint LISTBOX_PaintItem LISTBOX_RemoveItem LISTBOX_RepaintItem LISTBOX_ResetContent LISTBOX_SelectItemRange LISTBOX_SetCaretIndex LISTBOX_SetColumnWidth LISTBOX_SetCount LISTBOX_SetFont LISTBOX_SetHorizontalExtent LISTBOX_SetHorizontalPos LISTBOX_SetItemHeight LISTBOX_SetRedraw LISTBOX_SetSelection LISTBOX_SetTabStops LISTBOX_SetTopItem LISTBOX_Timer LISTBOX_update_uistate LISTBOX_UpdatePage LISTBOX_UpdateScroll LISTBOX_UpdateSize listboxW ListBoxWndProc_common ListBoxWndProcA ListBoxWndProcW SEND_NOTIFICATION TIMER_DIRECTION WINE_DEFAULT_DEBUG_CHANNEL

static LRESULT LISTBOX_HandleMouseWheel ( LB_DESCR *  descr, SHORT  delta  ) [static] Definition at line 1997 of file listbox.c. Referenced by ListBoxWndProc_common(). { short gcWheelDelta = 0; UINT pulScrollLines = 3; SystemParametersInfoW(SPI_GETWHEELSCROLLLINES,0, &pulScrollLines, 0); gcWheelDelta -= delta; if (abs(gcWheelDelta) >= WHEEL_DELTA && pulScrollLines) { int cLineScroll = (int) min((UINT) descr->page_size, pulScrollLines); cLineScroll *= (gcWheelDelta / WHEEL_DELTA); LISTBOX_SetTopItem( descr, descr->top_item + cLineScroll, TRUE ); } return 0; }