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fix errors when dragging a scrollbar and the mouse leaves the window

develop
Myk Taylor 2023-04-30 17:12:43 -07:00
parent 923f84b2f2
commit 3f51f24f91
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GPG Key ID: 8A39CA0FA0C16E78
1 changed files with 3 additions and 1 deletions
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4
library/lua/gui/widgets.lua
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@ -836,7 +836,9 @@ function Scrollbar:update(top_elem, elems_per_page, num_elems)
end
local function scrollbar_do_drag(scrollbar)
local _,y = scrollbar.frame_body:localXY(dfhack.screen.getMousePos())
local x,y = dfhack.screen.getMousePos()
if not y then return end
x,y = scrollbar.frame_body:localXY(x, y)
local cur_pos = y - scrollbar.is_dragging
local max_top = scrollbar.num_elems - scrollbar.elems_per_page + 1
local max_pos = scrollbar_get_max_pos_and_height(scrollbar)