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lua print table put_line a do_menu alternative

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add stylized lines to lua

the exported do_menu has a severe limitation of 64 items
it also requires double the memory

put_line is the way rockbox builds menus

update printtable

user config from core -- done
code cleanup
fixed for 1-bit screens
changed button behavior
fixed for 2-bit screens

Change-Id: I4de55e42685aa1d2f53a33bc8e980827864e810b
This commit is contained in:
William Wilgus 2021-04-09 23:11:31 -04:00 • committed by William Wilgus
parent c71a47f649
commit acda37edd1
13 changed files with 582 additions and 164 deletions
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63
apps/plugins/lua/include_lua/printtable.lua
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@ -27,9 +27,9 @@ require("actions") -- Contains rb.actions & rb.contexts
local _clr = require("color")
local _print = require("print")
local _timer = require("timer")
local sb_width = 5
-- Button definitions --
local EXIT_BUTTON = rb.PLA_EXIT
local CANCEL_BUTTON = rb.actions.PLA_CANCEL
local DOWN_BUTTON = rb.actions.PLA_DOWN
local DOWNR_BUTTON = rb.actions.PLA_DOWN_REPEAT
@ -71,8 +71,8 @@ end
-- time since last button press is returned in ticks..
-- make xi, xir, yi, yir negative to flip direction...
]]
local function dpad(x, xi, xir, y, yi, yir, timeout)
local function dpad(x, xi, xir, y, yi, yir, timeout, overflow)
local scroll_is_fixed = overflow ~= "manual"
_timer("dpad") -- start a persistant timer; keeps time between button events
if timeout == nil then timeout = -1 end
local cancel, select = 0, 0
@ -98,10 +98,18 @@ local function dpad(x, xi, xir, y, yi, yir, timeout)
timeout = timeout + 1
elseif button == LEFT_BUTTON then
x_chg = x_chg - xi
if scroll_is_fixed then
cancel = 1
break;
end
elseif button == LEFTR_BUTTON then
x_chg = x_chg - xir
elseif button == RIGHT_BUTTON then
x_chg = x_chg + xi
if scroll_is_fixed then
select = 1
timeout = timeout + 1
end
elseif button == RIGHTR_BUTTON then
x_chg = x_chg + xir
elseif button == UP_BUTTON then
@ -152,19 +160,26 @@ function print_table(t, t_count, settings)
end
local wrap, justify, start, curpos, co_routine, hasheader, m_sel
local header_fgc, header_bgc, item_fgc, item_bgc, item_selc, drawsep
local header_fgc, header_bgc, item_fgc, item_bgc, item_selc
local table_linedesc, drawsep, overflow, dpad_fn
do
local s = settings or _print.get_settings()
wrap, justify = s.wrap, s.justify
start, curpos = s.start, s.curpos
co_routine = s.co_routine
hasheader = s.hasheader
drawsep = s.drawsep
m_sel = false
wrap, justify = s.wrap, s.justify
start, curpos = s.start, s.curpos
co_routine = s.co_routine
hasheader = s.hasheader
drawsep = s.drawsep
sb_width = s.sb_width or sb_width
m_sel = false
table_linedesc = s.linedesc
dpad_fn = s.dpad_fn
if type(dpad_fn) ~= "function" then dpad_fn = dpad end
if co_routine == nil then
--no multi select in incremental mode
m_sel = s.msel
end
overflow = s.ovfl or "auto"
header_fgc = s.hfgc or _clr.set( 0, 000, 000, 000)
header_bgc = s.hbgc or _clr.set(-1, 255, 255, 255)
item_fgc = s.ifgc or _clr.set(-1, 000, 255, 060)
@ -210,16 +225,19 @@ function print_table(t, t_count, settings)
-- displays header text at top
local function disp_header(hstr)
local header = header or hstr
local opts = _print.opt.get()
_print.opt.overflow("none") -- don't scroll header; colors change
local opts = _print.opt.get() -- save to restore settings
_print.opt.overflow("auto") -- don't scroll header; colors change
_print.opt.color(header_fgc, header_bgc)
_print.opt.line(1)
rb.set_viewport(_print.opt.get(true))
_print.f()
local line = _print.f(header)
_print.f("%h", tostring(header)) --hack to signal header
_print.opt.set(opts)
_print.opt.set(opts) -- restore settings
_print.opt.line(2)
rb.set_viewport(opts)
opts = nil
return 2
end
@ -229,7 +247,7 @@ function print_table(t, t_count, settings)
rb.lcd_update()
local quit, select, x_chg, xi, y_chg, yi, timeb =
dpad(t_p.col, -1, -t_p.col_scrl, t_p.row, -1, -t_p.row_scrl)
dpad_fn(t_p.col, -1, -t_p.col_scrl, t_p.row, -1, -t_p.row_scrl, nil, overflow)
t_p.vcursor = t_p.vcursor + y_chg
@ -322,6 +340,7 @@ function print_table(t, t_count, settings)
rb.button_clear_queue() -- keep the button queue from overflowing
end
rb.lcd_scroll_stop()
return sel
end -- display_table
--============================================================================--
@ -331,7 +350,7 @@ function print_table(t, t_count, settings)
_print.opt.color(item_fgc, item_bgc, item_selc)
table_p = init_position(15, 5)
line, maxline = _print.opt.area(5, 1, rb.LCD_WIDTH - 10, rb.LCD_HEIGHT - 2)
line, maxline = _print.opt.area(5, 1, rb.LCD_WIDTH - 10 - sb_width, rb.LCD_HEIGHT - 2)
maxline = math.min(maxline, t_count)
-- allow user to start at a position other than the beginning
@ -349,9 +368,11 @@ function print_table(t, t_count, settings)
end
_print.opt.sel_line(table_p.vcursor)
_print.opt.overflow("manual")
_print.opt.overflow(overflow)
_print.opt.justify(justify)
_print.opt.linedesc(table_linedesc)
local opts = _print.opt.get()
opts.drawsep = drawsep
_print.opt.set(opts)
@ -360,17 +381,19 @@ function print_table(t, t_count, settings)
-- initialize vertical scrollbar
set_vsb(); do
local vsb =_print.opt.get()
vsb.width = vsb.width + sb_width
if rb.LCD_DEPTH == 2 then -- invert 2-bit screens
vsb.fg_pattern = 3 - vsb.fg_pattern
vsb.bg_pattern = 3 - vsb.bg_pattern
end
set_vsb = function (item)
if t_count > (maxline or t_count) then
if sb_width > 0 and t_count > (maxline or t_count) then
rb.set_viewport(vsb)
item = item or 0
local m = maxline / 2 + 1
rb.gui_scrollbar_draw(vsb.width - 5, vsb.y, 5, vsb.height,
rb.gui_scrollbar_draw(vsb.width - sb_width, vsb.y, sb_width, vsb.height,
t_count, math.max(0, item - m),
math.min(item + m, t_count), 0)
end
@ -378,7 +401,7 @@ function print_table(t, t_count, settings)
end -- set_vsb
local selected = display_table(table_p, 0, 1, 0)
_print.opt.defaults()
_print.opt.defaults() --restore settings
if m_sel == true then -- walk the table to get selected items
selected = {}