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Patch #27: Cursor disappears when filling the input box

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Matthias Richter 2016-03-13 13:22:51 +01:00
parent 633c2a58cc
commit f9ee40d53d
1 changed files with 7 additions and 6 deletions
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13
input.lua
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@ -14,7 +14,7 @@ return function(core, input, ...)
opt.font = opt.font or love.graphics.getFont() opt.font = opt.font or love.graphics.getFont()
local text_width = opt.font:getWidth(input.text) local text_width = opt.font:getWidth(input.text)
w = w or text_width + 4 w = w or text_width + 6
h = h or opt.font:getHeight() + 4 h = h or opt.font:getHeight() + 4
input.text = input.text or "" input.text = input.text or ""
@ -28,23 +28,24 @@ return function(core, input, ...)
-- get size of text and cursor position -- get size of text and cursor position
opt.cursor_pos = 0 opt.cursor_pos = 0
if input.cursor > 1 then if input.cursor > 1 then
local s = input.text:sub(0, utf8.offset(input.text, input.cursor)-1) local s = input.text:sub(1, utf8.offset(input.text, input.cursor)-1)
opt.cursor_pos = opt.font:getWidth(s) opt.cursor_pos = opt.font:getWidth(s)
end end
-- compute drawing offset -- compute drawing offset
local wm = w - 6 -- consider margin
input.text_draw_offset = input.text_draw_offset or 0 input.text_draw_offset = input.text_draw_offset or 0
if opt.cursor_pos - input.text_draw_offset < 0 then if opt.cursor_pos - input.text_draw_offset < 0 then
-- cursor left of input box -- cursor left of input box
input.text_draw_offset = opt.cursor_pos input.text_draw_offset = opt.cursor_pos
end end
if opt.cursor_pos - input.text_draw_offset > w then if opt.cursor_pos - input.text_draw_offset > wm then
-- cursor right of input box -- cursor right of input box
input.text_draw_offset = opt.cursor_pos - w input.text_draw_offset = opt.cursor_pos - wm
end end
if text_width - input.text_draw_offset < w and text_width > w then if text_width - input.text_draw_offset < wm and text_width > wm then
-- text bigger than input box, but does not fill it -- text bigger than input box, but does not fill it
input.text_draw_offset = text_width - w input.text_draw_offset = text_width - wm
end end
-- user interaction -- user interaction