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Textwindow.lua update for scrollbars

This commit is contained in:
TheSumm 2012-09-30 06:16:57 +03:00
parent d902a13e1c
commit f514460589
1 changed files with 47 additions and 2 deletions
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45
modules/game_textwindow/textwindow.lua
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@ -21,6 +21,18 @@ function destroy()
end end
end end
function getCursorPosByNewLine(str, count)
local i = 0
for n = 1, count-1 do
local tPos = string.find(str, '\n', i)
if tPos then
i = tPos+1
end
end
return i - 1
end
function onGameEditText(id, itemId, maxLength, text, writter, time) function onGameEditText(id, itemId, maxLength, text, writter, time)
if textWindow then return end if textWindow then return end
textWindow = g_ui.createWidget('TextWindow', rootWidget) textWindow = g_ui.createWidget('TextWindow', rootWidget)
@ -32,6 +44,8 @@ function onGameEditText(id, itemId, maxLength, text, writter, time)
local okButton = textWindow:getChildById('okButton') local okButton = textWindow:getChildById('okButton')
local cancelButton = textWindow:getChildById('cancelButton') local cancelButton = textWindow:getChildById('cancelButton')
local textScroll = textWindow:getChildById('textScroll')
textItem:setItemId(itemId) textItem:setItemId(itemId)
textEdit:setMaxLength(maxLength) textEdit:setMaxLength(maxLength)
textEdit:setText(text) textEdit:setText(text)
@ -75,6 +89,37 @@ function onGameEditText(id, itemId, maxLength, text, writter, time)
destroy() destroy()
end end
local _, newLineCount = string.gsub(text, '\n', '\n')
if(newLineCount >= 9) then
textScroll:setMaximum(newLineCount-9)
end
local _prev, _next, _current = 0, 11, 0
local onValueChange = function()
local diff = textScroll:getValue() - _current
if(diff > 0) then
textEdit:setCursorPos(getCursorPosByNewLine(text, _next+(diff-1)))
else
textEdit:setCursorPos(getCursorPosByNewLine(text, _prev+(diff+1)))
end
_current = textScroll:getValue()
_next = _next + diff
_prev = _prev + diff
end
textScroll.onValueChange = onValueChange
g_keyboard.bindKeyPress("Up", function() textScroll:setValue(textScroll:getValue()-1) end, textWindow, 400)
g_keyboard.bindKeyPress("Down", function() textScroll:setValue(textScroll:getValue()+1) end, textWindow, 400)
if(not writeable) then
textEdit:setCursorPos(0)
else
textScroll:setValue(textScroll:getMaximum())
textEdit:setCursorPos(text:len())
end
okButton.onClick = doneFunc okButton.onClick = doneFunc
cancelButton.onClick = destroy cancelButton.onClick = destroy
--textWindow.onEnter = doneFunc -- this should be '\n' --textWindow.onEnter = doneFunc -- this should be '\n'