cyberarm/cyberarm_engine
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Cache scroll width/height

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Cyberarm
2023-06-18 14:18:15 -05:00
parent a60b09a110
commit b1b8fc8556
2 changed files with 10 additions and 3 deletions
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10
lib/cyberarm_engine/ui/element.rb
View File

@@ -411,10 +411,14 @@ module CyberarmEngine
end
def scroll_width
@children.sum(&:outer_width)
return @cached_scroll_width if @cached_scroll_width && is_a?(Container)
@cached_scroll_width = @children.sum(&:outer_width)
end
def scroll_height
return @cached_scroll_height if @cached_scroll_height && is_a?(Container)
if is_a?(CyberarmEngine::Element::Flow)
return 0 if @children.size.zero?
@@ -435,9 +439,9 @@ module CyberarmEngine
pairs_ << a_ unless pairs_.last == a_
pairs_.sum { |pair| + @style.padding_top + @style.border_thickness_top + pair.map(&:outer_height).max } + @style.padding_bottom + @style.border_thickness_bottom
@cached_scroll_height = pairs_.sum { |pair| + @style.padding_top + @style.border_thickness_top + pair.map(&:outer_height).max } + @style.padding_bottom + @style.border_thickness_bottom
else
@style.padding_top + @style.border_thickness_top + @children.sum(&:outer_height) + @style.padding_bottom + @style.border_thickness_bottom
@cached_scroll_height = @style.padding_top + @style.border_thickness_top + @children.sum(&:outer_height) + @style.padding_bottom + @style.border_thickness_bottom
end
end

3
lib/cyberarm_engine/ui/elements/container.rb
View File

@@ -173,6 +173,9 @@ module CyberarmEngine
old_width = @width
old_height = @height
@cached_scroll_width = nil
@cached_scroll_height = nil
if is_root?
@width = @style.width = window.width
@height = @style.height = window.height