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treeview: add horizontal scrolling #1717

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treeview: add horizontal scrolling #1717

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f2e6467
treeview: add horizontal scrolling
takase1121 Feb 4, 2024
892bd6a
treeview: Fix broken click/hover when scrolled
takase1121 Feb 4, 2024
9cb95e7
treeview: show tooltip for entire selection
takase1121 Feb 4, 2024
c773b33
treeview: make sure scroll_width is not smaller than scroll.x
takase1121 Feb 5, 2024
a68a456
treeview: shrink the scrollable width to current scroll position
takase1121 Feb 6, 2024
71a10c4
treeview: reduce scrollable size when scrollbar is released
takase1121 Feb 28, 2024
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treeview: shrink the scrollable width to current scroll position 
Co-authored-by: Guldoman <giulio.lettieri@gmail.com>
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@takase1121 @Guldoman
takase1121 and Guldoman authored Feb 6, 2024
commit a68a45621fce1454cec42bbd9a4332cd6eebe266
8 changes: 7 additions & 1 deletion data/plugins/treeview.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -467,8 +467,14 @@ function TreeView:draw()
sw = math.max(w, sw)
end
end
if sw > self.scroll.x + self.size.x then
local ss = self:get_h_scrollable_size()
if sw > self.scroll_width then
-- We can increase the scrollable size without issues
self.scroll_width = sw
elseif ss > self.scroll.x + self.size.x then
-- We can decrease it only up to the current scroll position
local so = ss - self.scroll_width -- Keep track of the vertical scrollbar offset
self.scroll_width = math.max(sw + so, self.scroll.x + self.size.x) - so
end

self:draw_scrollbar()
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