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Add `minimum_thumb_size` and `{contracted,expanded}_scrollbar_margin` to `Scrollbar` (#1589) 

* Add `minimum_thumb_size` to `Scrollbar`

* Add `{contracted,expanded}_scrollbar_margin` to `Scrollbar`
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Guldoman 2024-10-22 19:05:07 +02:00 committed by GitHub
parent 38d18395cb
commit 1ce8cd1d82
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2 changed files with 17 additions and 4 deletions
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18
data/core/scrollbar.lua
View File

@ -25,6 +25,9 @@ local Scrollbar = Object:extend()
---@field force_status "expanded" | "contracted" | false @Force the scrollbar status
---@field expanded_size number? @Override the default value specified by `style.expanded_scrollbar_size`
---@field contracted_size number? @Override the default value specified by `style.scrollbar_size`
---@field minimum_thumb_size number? @Override the default value specified by `style.minimum_thumb_size`
---@field contracted_margin number? @Override the default value specified by `style.contracted_scrollbar_margin`
---@field expanded_margin number? @Override the default value specified by `style.expanded_scrollbar_margin`
---@param options ScrollbarOptions
function Scrollbar:new(options)
@ -62,6 +65,12 @@ function Scrollbar:new(options)
self.contracted_size = options.contracted_size
---@type number? @Override the default value specified by `style.expanded_scrollbar_size`
self.expanded_size = options.expanded_size
---@type number? @Override the default value specified by `style.minimum_thumb_size`
self.minimum_thumb_size = options.minimum_thumb_size
---@type number? @Override the default value specified by `style.contracted_scrollbar_margin`
self.contracted_margin = options.contracted_margin
---@type number? @Override the default value specified by `style.expanded_scrollbar_margin`
self.expanded_margin = options.expanded_margin
end
@ -116,7 +125,7 @@ function Scrollbar:_get_thumb_rect_normal()
end
local scrollbar_size = self.contracted_size or style.scrollbar_size
local expanded_scrollbar_size = self.expanded_size or style.expanded_scrollbar_size
local along_size = math.max(20, nr.along_size * nr.along_size / sz)
local along_size = math.max(self.minimum_thumb_size or style.minimum_thumb_size, nr.along_size * nr.along_size / sz)
local across_size = scrollbar_size
across_size = across_size + (expanded_scrollbar_size - scrollbar_size) * self.expand_percent
return
@ -159,13 +168,14 @@ end
function Scrollbar:_overlaps_normal(x, y)
local sx, sy, sw, sh = self:_get_thumb_rect_normal()
local scrollbar_size = self.contracted_size or style.scrollbar_size
local scrollbar_margin = self.expand_percent * (self.expanded_margin or style.expanded_scrollbar_margin) +
(1 - self.expand_percent) * (self.contracted_margin or style.contracted_scrollbar_margin)
local result
if x >= sx - scrollbar_size * 3 and x <= sx + sw and y >= sy and y <= sy + sh then
if x >= sx - scrollbar_margin and x <= sx + sw and y >= sy and y <= sy + sh then
result = "thumb"
else
sx, sy, sw, sh = self:_get_track_rect_normal()
if x >= sx - scrollbar_size * 3 and x <= sx + sw and y >= sy and y <= sy + sh then
if x >= sx - scrollbar_margin and x <= sx + sw and y >= sy and y <= sy + sh then
result = "track"
end
end

3
data/core/style.lua
View File

@ -4,6 +4,9 @@ local style = {}
style.divider_size = common.round(1 * SCALE)
style.scrollbar_size = common.round(4 * SCALE)
style.expanded_scrollbar_size = common.round(12 * SCALE)
style.minimum_thumb_size = common.round(20 * SCALE)
style.contracted_scrollbar_margin = common.round(8 * SCALE)
style.expanded_scrollbar_margin = common.round(12 * SCALE)
style.caret_width = common.round(2 * SCALE)
style.tab_width = common.round(170 * SCALE)