tibia-client/modules/corelib/ui/uitextedit.lua

77 lines
2.3 KiB
Lua

function UITextEdit:onStyleApply(styleName, styleNode)
for name,value in pairs(styleNode) do
if name == 'vertical-scrollbar' then
addEvent(function()
self:setVerticalScrollBar(self:getParent():getChildById(value))
end)
elseif name == 'horizontal-scrollbar' then
addEvent(function()
self:setHorizontalScrollBar(self:getParent():getChildById(value))
end)
end
end
end
function UITextEdit:onMouseWheel(mousePos, mouseWheel)
if self.verticalScrollBar and self:isMultiline() then
if mouseWheel == MouseWheelUp then
self.verticalScrollBar:decrement()
else
self.verticalScrollBar:increment()
end
elseif self.horizontalScrollBar then
if mouseWheel == MouseWheelUp then
self.horizontalScrollBar:increment()
else
self.horizontalScrollBar:decrement()
end
end
return true
end
function UITextEdit:onTextAreaUpdate(virtualOffset, virtualSize, totalSize)
self:updateScrollBars()
end
function UITextEdit:setVerticalScrollBar(scrollbar)
self.verticalScrollBar = scrollbar
self.verticalScrollBar.onValueChange = function(scrollbar, value)
local virtualOffset = self:getTextVirtualOffset()
virtualOffset.y = value
self:setTextVirtualOffset(virtualOffset)
end
self:updateScrollBars()
end
function UITextEdit:setHorizontalScrollBar(scrollbar)
self.horizontalScrollBar = scrollbar
self.horizontalScrollBar.onValueChange = function(scrollbar, value)
local virtualOffset = self:getTextVirtualOffset()
virtualOffset.x = value
self:setTextVirtualOffset(virtualOffset)
end
self:updateScrollBars()
end
function UITextEdit:updateScrollBars()
local scrollSize = self:getTextTotalSize()
local scrollWidth = math.max(scrollSize.width - self:getTextVirtualSize().width, 0)
local scrollHeight = math.max(scrollSize.height - self:getTextVirtualSize().height, 0)
local scrollbar = self.verticalScrollBar
if scrollbar then
scrollbar:setMinimum(0)
scrollbar:setMaximum(scrollHeight)
scrollbar:setValue(self:getTextVirtualOffset().y)
end
local scrollbar = self.horizontalScrollBar
if scrollbar then
scrollbar:setMinimum(0)
scrollbar:setMaximum(scrollWidth)
scrollbar:setValue(self:getTextVirtualOffset().x)
end
end
-- todo: ontext change, focus to cursor