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better controls over themed scrollbars

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This commit is contained in:
Michael Freno
2025-12-06 11:11:15 -05:00
parent b18592f358
commit 986887c2cc
8 changed files with 135 additions and 4 deletions
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36
modules/Renderer.lua
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@@ -900,6 +900,20 @@ function Renderer:drawScrollbars(element, x, y, w, h, dims)
local frameComponent = scrollbarComponent.frame or scrollbarComponent
local barComponent = scrollbarComponent.bar or scrollbarComponent
-- Calculate knob offset (element overrides theme)
local knobOffsetX = 0
local knobOffsetY = 0
-- Use element offset if provided, otherwise use theme offset
if element.scrollbarKnobOffset then
knobOffsetX = element.scrollbarKnobOffset.x or 0
knobOffsetY = element.scrollbarKnobOffset.vertical or 0
elseif barComponent and barComponent.knobOffset then
local themeOffset = self._utils.normalizeOffsetTable(barComponent.knobOffset, 0)
knobOffsetX = themeOffset.x
knobOffsetY = themeOffset.vertical
end
-- Draw track (frame) if component exists
if frameComponent and frameComponent._loadedAtlas and frameComponent.regions then
self._NinePatch.draw(
@@ -917,8 +931,8 @@ function Renderer:drawScrollbars(element, x, y, w, h, dims)
self._NinePatch.draw(
barComponent,
barComponent._loadedAtlas,
trackX,
trackY + dims.vertical.thumbY,
trackX + knobOffsetX,
trackY + dims.vertical.thumbY + knobOffsetY,
element.scrollbarWidth,
dims.vertical.thumbHeight
)
@@ -961,6 +975,20 @@ function Renderer:drawScrollbars(element, x, y, w, h, dims)
local frameComponent = scrollbarComponent.frame or scrollbarComponent
local barComponent = scrollbarComponent.bar or scrollbarComponent
-- Calculate knob offset (element overrides theme)
local knobOffsetX = 0
local knobOffsetY = 0
-- Use element offset if provided, otherwise use theme offset
if element.scrollbarKnobOffset then
knobOffsetX = element.scrollbarKnobOffset.horizontal or 0
knobOffsetY = element.scrollbarKnobOffset.y or 0
elseif barComponent and barComponent.knobOffset then
local themeOffset = self._utils.normalizeOffsetTable(barComponent.knobOffset, 0)
knobOffsetX = themeOffset.horizontal
knobOffsetY = themeOffset.y
end
-- Draw track (frame) if component exists
if frameComponent and frameComponent._loadedAtlas and frameComponent.regions then
self._NinePatch.draw(
@@ -978,8 +1006,8 @@ function Renderer:drawScrollbars(element, x, y, w, h, dims)
self._NinePatch.draw(
barComponent,
barComponent._loadedAtlas,
trackX + dims.horizontal.thumbX,
trackY,
trackX + dims.horizontal.thumbX + knobOffsetX,
trackY + knobOffsetY,
dims.horizontal.thumbWidth,
element.scrollbarWidth
)