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#344 support hiding characters in text fields

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This commit is contained in:
Mikayla Fischler
2023-09-23 16:45:33 -04:00
parent 18bcfb4014
commit 689d474796
2 changed files with 35 additions and 6 deletions
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33
graphics/core.lua
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@@ -149,6 +149,19 @@ function core.new_ifield(e, max_len, fg_bg, dis_fg_bg)
---@class ifield
local public = {}
-- censor the display (for private info, for example) with the provided character<br>
-- disable by passing no argument
---@param censor string? character to hide data with
function public.censor(censor)
if type(censor) == "string" and string.len(censor) == 1 then
self.censor = censor
public.show()
else
self.censor = nil
public.show()
end
end
-- show the field
function public.show()
_update_visible()
@@ -166,15 +179,23 @@ function core.new_ifield(e, max_len, fg_bg, dis_fg_bg)
e.w_write(string.rep(" ", e.frame.w))
e.w_set_cur(1, 1)
local function _write()
if self.censor then
e.w_write(string.rep(self.censor, string.len(self.visible_text)))
else
e.w_write(self.visible_text)
end
end
if e.is_focused() and e.enabled then
-- write text with cursor
if self.selected_all then
e.w_set_bkg(fg_bg.fgd)
e.w_set_fgd(fg_bg.bkg)
e.w_write(self.visible_text)
_write()
elseif self.cursor_pos >= (string.len(self.visible_text) + 1) then
-- write text with cursor at the end, no need to blit
e.w_write(self.visible_text)
_write()
e.w_set_fgd(colors.lightGray)
e.w_write("_")
else
@@ -188,13 +209,17 @@ function core.new_ifield(e, max_len, fg_bg, dis_fg_bg)
local b_fgd = string.rep(fg_bg.blit_fgd, self.cursor_pos - 1) .. a .. string.rep(fg_bg.blit_fgd, string.len(self.visible_text) - self.cursor_pos)
local b_bkg = string.rep(fg_bg.blit_bkg, self.cursor_pos - 1) .. b .. string.rep(fg_bg.blit_bkg, string.len(self.visible_text) - self.cursor_pos)
e.w_blit(self.visible_text, b_fgd, b_bkg)
if self.censor then
e.w_blit(string.rep(self.censor, string.len(self.visible_text)), b_fgd, b_bkg)
else
e.w_blit(self.visible_text, b_fgd, b_bkg)
end
end
else
self.selected_all = false
-- write text without cursor
e.w_write(self.visible_text)
_write()
end
end