canvas overhaul

This commit is contained in:
kepler155c@gmail.com
2020-03-31 09:57:23 -06:00
parent 369070e19c
commit 5a874c1944
69 changed files with 1134 additions and 786 deletions

View File

@@ -17,7 +17,10 @@ UI.ScrollBar.defaults = {
ey = -1,
}
function UI.ScrollBar:draw()
local view = self.parent:getViewArea()
local parent = self.target or self.parent --self:find(self.target)
local view = parent:getViewArea()
self:clear()
if view.totalHeight > view.height then
local maxScroll = view.totalHeight - view.height
@@ -27,7 +30,7 @@ function UI.ScrollBar:draw()
local row = view.y
if not view.static then -- does the container scroll ?
self.height = view.totalHeight
self:reposition(self.x, self.y, self.width, view.totalHeight)
end
for i = 1, view.height - 2 do
@@ -56,16 +59,17 @@ end
function UI.ScrollBar:eventHandler(event)
if event.type == 'mouse_click' or event.type == 'mouse_doubleclick' then
if event.x == 1 then
local view = self.parent:getViewArea()
local parent = self.target or self.parent --self:find(self.target)
local view = parent:getViewArea()
if view.totalHeight > view.height then
if event.y == view.y then
self:emit({ type = 'scroll_up'})
parent:emit({ type = 'scroll_up'})
elseif event.y == view.y + view.height - 1 then
self:emit({ type = 'scroll_down'})
parent:emit({ type = 'scroll_down'})
else
local percent = (event.y - view.y) / (view.height - 2)
local y = math.floor((view.totalHeight - view.height) * percent)
self:emit({ type = 'scroll_to', offset = y })
parent :emit({ type = 'scroll_to', offset = y })
end
end
return true