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#344 numeric field cleanup

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This commit is contained in:
Mikayla Fischler 2023-09-17 00:12:14 -04:00
parent 29e910ba3c
commit b173b72f21
1 changed files with 21 additions and 14 deletions
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35
graphics/elements/form/number_field.lua
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@ -14,6 +14,7 @@ local KEY_CLICK = core.events.KEY_CLICK
---@field max_digits? integer maximum number of digits, defaults to width ---@field max_digits? integer maximum number of digits, defaults to width
---@field allow_decimal? boolean true to allow decimals ---@field allow_decimal? boolean true to allow decimals
---@field allow_negative? boolean true to allow negative numbers ---@field allow_negative? boolean true to allow negative numbers
---@field dis_fg_bg? cpair foreground/background colors when disabled
---@field parent graphics_element ---@field parent graphics_element
---@field id? string element id ---@field id? string element id
---@field x? integer 1 if omitted ---@field x? integer 1 if omitted
@ -22,7 +23,7 @@ local KEY_CLICK = core.events.KEY_CLICK
---@field fg_bg? cpair foreground/background colors ---@field fg_bg? cpair foreground/background colors
---@field hidden? boolean true to hide on initial draw ---@field hidden? boolean true to hide on initial draw
-- new numeric form field -- new numeric entry field
---@param args number_field_args ---@param args number_field_args
---@return graphics_element element, element_id id ---@return graphics_element element, element_id id
local function number_field(args) local function number_field(args)
@ -37,16 +38,26 @@ local function number_field(args)
args.max_digits = args.max_digits or e.frame.w args.max_digits = args.max_digits or e.frame.w
-- set initial value -- set initial value
e.value = "" .. (args.default or 0) e.value = util.strval(args.default or 0)
-- draw input
local function show() local function show()
if e.enabled then
e.w_set_bkg(args.fg_bg.bkg)
e.w_set_fgd(args.fg_bg.fgd)
else
e.w_set_bkg(args.dis_fg_bg.bkg)
e.w_set_fgd(args.dis_fg_bg.fgd)
end
-- clear and print -- clear and print
e.w_set_cur(1, 1) e.w_set_cur(1, 1)
e.w_write(string.rep(" ", e.frame.w)) e.w_write(string.rep(" ", e.frame.w))
e.w_set_cur(1, 1) e.w_set_cur(1, 1)
e.w_set_fgd(colors.black)
e.w_write(e.value) e.w_write(e.value)
if e.is_focused() then
-- show cursor if focused
if e.is_focused() and e.enabled then
e.w_set_fgd(colors.lightGray) e.w_set_fgd(colors.lightGray)
e.w_write("_") e.w_write("_")
end end
@ -67,9 +78,8 @@ local function number_field(args)
if event.type == KEY_CLICK.CHAR and string.len(e.value) < args.max_digits then if event.type == KEY_CLICK.CHAR and string.len(e.value) < args.max_digits then
if tonumber(event.name) then if tonumber(event.name) then
e.value = util.trinary(e.value == "0", "", e.value) .. tonumber(event.name) e.value = util.trinary(e.value == "0", "", e.value) .. tonumber(event.name)
show()
end end
show()
elseif event.type == KEY_CLICK.DOWN then elseif event.type == KEY_CLICK.DOWN then
if (event.key == keys.backspace or event.key == keys.delete) and (string.len(e.value) > 0) then if (event.key == keys.backspace or event.key == keys.delete) and (string.len(e.value) > 0) then
e.value = string.sub(e.value, 1, string.len(e.value) - 1) e.value = string.sub(e.value, 1, string.len(e.value) - 1)
@ -98,9 +108,10 @@ local function number_field(args)
---@param max integer maximum allowed value ---@param max integer maximum allowed value
function e.set_max(max) args.max = max end function e.set_max(max) args.max = max end
-- handle focus change -- handle focused
e.on_focused = show e.on_focused = show
-- handle unfocused
function e.on_unfocused() function e.on_unfocused()
local val = tonumber(e.value) local val = tonumber(e.value)
local max = tonumber(args.max) local max = tonumber(args.max)
@ -119,13 +130,9 @@ local function number_field(args)
show() show()
end end
-- enable this input -- on enable/disable
function e.enable() e.enable = show
end e.disable = show
-- disable this input
function e.disable()
end
-- initial draw -- initial draw
show() show()