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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: Fix broken click/hover when scrolled
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@takase1121
takase1121 committed Feb 4, 2024
commit 892bd6a5f885b646b0c844b1852088330d46952a
7 changes: 4 additions & 3 deletions data/plugins/treeview.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -263,7 +263,7 @@ function TreeView:on_mouse_moved(px, py, ...)

local item_changed, tooltip_changed
for item, x,y,w,h in self:each_item() do
if px > x and py > y and px <= x + w and py <= y + h then
if px > x and py > y and px <= self.size.x and py <= y + h then
item_changed = true
self.hovered_item = item

Expand Down Expand Up @@ -455,6 +455,7 @@ function TreeView:draw()
local active_filename = doc and system.absolute_path(doc.filename or "")

local ox = math.abs(self:get_content_offset())
local sw, ox = 0, math.abs(self:get_content_offset())
for item, x,y,w,h in self:each_item() do
if y + h >= _y and y < _y + _h then
local w = self:draw_item(
Expand All @@ -463,9 +464,10 @@ function TreeView:draw()
item == self.hovered_item,
x, y, w, h
) + ox
self.scroll_width = math.max(w, self.scroll_width)
sw = math.max(w, sw)
end
end
self.scroll_width = sw

self:draw_scrollbar()
if self.hovered_item and self.tooltip.x and self.tooltip.alpha > 0 then
Expand Down Expand Up @@ -524,7 +526,6 @@ function TreeView:toggle_expand(toggle, item)
if not item then return end

if item.type == "dir" then
self.scroll_width = 0
if type(toggle) == "boolean" then
item.expanded = toggle
else
Expand Down
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