1495 lines
41 KiB
Lua
1495 lines
41 KiB
Lua
-- Simple widgets for screens
|
|
|
|
local _ENV = mkmodule('gui.widgets')
|
|
|
|
local gui = require('gui')
|
|
local utils = require('utils')
|
|
|
|
local dscreen = dfhack.screen
|
|
|
|
local function show_view(view,vis)
|
|
if view then
|
|
view.visible = vis
|
|
end
|
|
end
|
|
|
|
local function getval(obj)
|
|
if type(obj) == 'function' then
|
|
return obj()
|
|
else
|
|
return obj
|
|
end
|
|
end
|
|
|
|
local function map_opttab(tab,idx)
|
|
if tab then
|
|
return tab[idx]
|
|
else
|
|
return idx
|
|
end
|
|
end
|
|
|
|
STANDARDSCROLL = {
|
|
STANDARDSCROLL_UP = -1,
|
|
STANDARDSCROLL_DOWN = 1,
|
|
STANDARDSCROLL_PAGEUP = '-page',
|
|
STANDARDSCROLL_PAGEDOWN = '+page',
|
|
}
|
|
|
|
SECONDSCROLL = {
|
|
SECONDSCROLL_UP = -1,
|
|
SECONDSCROLL_DOWN = 1,
|
|
SECONDSCROLL_PAGEUP = '-page',
|
|
SECONDSCROLL_PAGEDOWN = '+page',
|
|
}
|
|
|
|
------------
|
|
-- Widget --
|
|
------------
|
|
|
|
Widget = defclass(Widget, gui.View)
|
|
|
|
Widget.ATTRS {
|
|
frame = DEFAULT_NIL,
|
|
frame_inset = DEFAULT_NIL,
|
|
frame_background = DEFAULT_NIL,
|
|
}
|
|
|
|
function Widget:computeFrame(parent_rect)
|
|
local sw, sh = parent_rect.width, parent_rect.height
|
|
return gui.compute_frame_body(sw, sh, self.frame, self.frame_inset)
|
|
end
|
|
|
|
function Widget:onRenderFrame(dc, rect)
|
|
if self.frame_background then
|
|
dc:fill(rect, self.frame_background)
|
|
end
|
|
end
|
|
|
|
-----------
|
|
-- Panel --
|
|
-----------
|
|
|
|
Panel = defclass(Panel, Widget)
|
|
|
|
Panel.ATTRS {
|
|
frame_style = DEFAULT_NIL, -- as in gui.FramedScreen
|
|
frame_title = DEFAULT_NIL, -- as in gui.FramedScreen
|
|
on_render = DEFAULT_NIL,
|
|
on_layout = DEFAULT_NIL,
|
|
autoarrange_subviews = false, -- whether to automatically lay out subviews
|
|
autoarrange_gap = 0, -- how many blank lines to insert between widgets
|
|
}
|
|
|
|
function Panel:init(args)
|
|
self:addviews(args.subviews)
|
|
end
|
|
|
|
function Panel:onRenderBody(dc)
|
|
if self.on_render then self.on_render(dc) end
|
|
end
|
|
|
|
function Panel:computeFrame(parent_rect)
|
|
local sw, sh = parent_rect.width, parent_rect.height
|
|
return gui.compute_frame_body(sw, sh, self.frame, self.frame_inset,
|
|
self.frame_style and 1 or 0)
|
|
end
|
|
|
|
function Panel:postComputeFrame(body)
|
|
if self.on_layout then self.on_layout(body) end
|
|
end
|
|
|
|
-- if self.autoarrange_subviews is true, lay out visible subviews vertically,
|
|
-- adding gaps between widgets according to self.autoarrange_gap.
|
|
function Panel:postUpdateLayout()
|
|
if not self.autoarrange_subviews then return end
|
|
|
|
local gap = self.autoarrange_gap
|
|
local y = 0
|
|
for _,subview in ipairs(self.subviews) do
|
|
if not subview.frame then goto continue end
|
|
subview.frame.t = y
|
|
if subview.visible then
|
|
y = y + (subview.frame.h or 0) + gap
|
|
end
|
|
::continue::
|
|
end
|
|
self.frame_rect.height = y
|
|
|
|
-- let widgets adjust to their new positions
|
|
self:updateSubviewLayout()
|
|
end
|
|
|
|
function Panel:onRenderFrame(dc, rect)
|
|
Panel.super.onRenderFrame(self, dc, rect)
|
|
if not self.frame_style then return end
|
|
local x1,y1,x2,y2 = rect.x1, rect.y1, rect.x2, rect.y2
|
|
gui.paint_frame(x1, y1, x2, y2, self.frame_style, self.frame_title)
|
|
end
|
|
|
|
-------------------
|
|
-- ResizingPanel --
|
|
-------------------
|
|
|
|
ResizingPanel = defclass(ResizingPanel, Panel)
|
|
|
|
-- adjust our frame dimensions according to positions and sizes of our subviews
|
|
function ResizingPanel:postUpdateLayout(frame_body)
|
|
local w, h = 0, 0
|
|
for _,s in ipairs(self.subviews) do
|
|
if s.visible then
|
|
w = math.max(w, (s.frame and s.frame.l or 0) +
|
|
(s.frame and s.frame.w or frame_body.width))
|
|
h = math.max(h, (s.frame and s.frame.t or 0) +
|
|
(s.frame and s.frame.h or frame_body.height))
|
|
end
|
|
end
|
|
if self.frame_style then
|
|
w = w + 2
|
|
h = h + 2
|
|
end
|
|
if not self.frame then self.frame = {} end
|
|
local oldw, oldh = self.frame.w, self.frame.h
|
|
self.frame.w, self.frame.h = w, h
|
|
if not self._updateLayoutGuard and (oldw ~= w or oldh ~= h) then
|
|
self._updateLayoutGuard = true -- protect against infinite loops
|
|
self:updateLayout() -- our frame has changed, we need to fully refresh
|
|
end
|
|
self._updateLayoutGuard = nil
|
|
end
|
|
|
|
-----------
|
|
-- Pages --
|
|
-----------
|
|
|
|
Pages = defclass(Pages, Panel)
|
|
|
|
function Pages:init(args)
|
|
for _,v in ipairs(self.subviews) do
|
|
v.visible = false
|
|
end
|
|
self:setSelected(args.selected or 1)
|
|
end
|
|
|
|
function Pages:setSelected(idx)
|
|
if type(idx) ~= 'number' then
|
|
local key = idx
|
|
if type(idx) == 'string' then
|
|
key = self.subviews[key]
|
|
end
|
|
idx = utils.linear_index(self.subviews, key)
|
|
if not idx then
|
|
error('Unknown page: '..key)
|
|
end
|
|
end
|
|
|
|
show_view(self.subviews[self.selected], false)
|
|
self.selected = math.min(math.max(1, idx), #self.subviews)
|
|
show_view(self.subviews[self.selected], true)
|
|
end
|
|
|
|
function Pages:getSelected()
|
|
return self.selected, self.subviews[self.selected]
|
|
end
|
|
|
|
function Pages:getSelectedPage()
|
|
return self.subviews[self.selected]
|
|
end
|
|
|
|
----------------
|
|
-- Edit field --
|
|
----------------
|
|
|
|
EditField = defclass(EditField, Widget)
|
|
|
|
EditField.ATTRS{
|
|
label_text = DEFAULT_NIL,
|
|
text = '',
|
|
text_pen = DEFAULT_NIL,
|
|
on_char = DEFAULT_NIL,
|
|
on_change = DEFAULT_NIL,
|
|
on_submit = DEFAULT_NIL,
|
|
on_submit2 = DEFAULT_NIL,
|
|
key = DEFAULT_NIL,
|
|
key_sep = DEFAULT_NIL,
|
|
modal = false,
|
|
ignore_keys = DEFAULT_NIL,
|
|
}
|
|
|
|
function EditField:preinit(init_table)
|
|
init_table.frame = init_table.frame or {}
|
|
init_table.frame.h = init_table.frame.h or 1
|
|
end
|
|
|
|
function EditField:init()
|
|
local function on_activate()
|
|
self.saved_text = self.text
|
|
self:setFocus(true)
|
|
end
|
|
|
|
self.start_pos = 1
|
|
self.cursor = #self.text + 1
|
|
|
|
self:addviews{HotkeyLabel{frame={t=0,l=0},
|
|
key=self.key,
|
|
key_sep=self.key_sep,
|
|
label=self.label_text,
|
|
on_activate=self.key and on_activate or nil}}
|
|
end
|
|
|
|
function EditField:getPreferredFocusState()
|
|
return not self.key
|
|
end
|
|
|
|
function EditField:setCursor(cursor)
|
|
if not cursor or cursor > #self.text then
|
|
self.cursor = #self.text + 1
|
|
return
|
|
end
|
|
self.cursor = math.max(1, cursor)
|
|
end
|
|
|
|
function EditField:setText(text, cursor)
|
|
self.text = text
|
|
self:setCursor(cursor)
|
|
end
|
|
|
|
function EditField:postUpdateLayout()
|
|
self.text_offset = self.subviews[1]:getTextWidth()
|
|
end
|
|
|
|
function EditField:onRenderBody(dc)
|
|
dc:pen(self.text_pen or COLOR_LIGHTCYAN):fill(0,0,dc.width-1,0)
|
|
|
|
local cursor_char = '_'
|
|
if not self.active or not self.focus or gui.blink_visible(300) then
|
|
cursor_char = (self.cursor > #self.text) and ' ' or
|
|
self.text:sub(self.cursor, self.cursor)
|
|
end
|
|
local txt = self.text:sub(1, self.cursor - 1) .. cursor_char ..
|
|
self.text:sub(self.cursor + 1)
|
|
local max_width = dc.width - self.text_offset
|
|
self.start_pos = 1
|
|
if #txt > max_width then
|
|
-- get the substring in the vicinity of the cursor
|
|
max_width = max_width - 2
|
|
local half_width = math.floor(max_width/2)
|
|
local start_pos = math.max(1, self.cursor-half_width)
|
|
local end_pos = math.min(#txt, self.cursor+half_width-1)
|
|
if self.cursor + half_width > #txt then
|
|
start_pos = #txt - (max_width - 1)
|
|
end
|
|
if self.cursor - half_width <= 1 then
|
|
end_pos = max_width + 1
|
|
end
|
|
self.start_pos = start_pos > 1 and start_pos - 1 or start_pos
|
|
txt = ('%s%s%s'):format(start_pos == 1 and '' or string.char(27),
|
|
txt:sub(start_pos, end_pos),
|
|
end_pos == #txt and '' or string.char(26))
|
|
end
|
|
dc:advance(self.text_offset):string(txt)
|
|
dc:string((' '):rep(dc.clip_x2 - dc.x))
|
|
end
|
|
|
|
function EditField:onInput(keys)
|
|
if not self.focus then
|
|
-- only react to our hotkey
|
|
return self:inputToSubviews(keys)
|
|
end
|
|
|
|
if self.ignore_keys then
|
|
for _,ignore_key in ipairs(self.ignore_keys) do
|
|
if keys[ignore_key] then return false end
|
|
end
|
|
end
|
|
|
|
if self.key and keys.LEAVESCREEN then
|
|
local old = self.text
|
|
self:setText(self.saved_text)
|
|
if self.on_change and old ~= self.saved_text then
|
|
self.on_change(self.text, old)
|
|
end
|
|
self:setFocus(false)
|
|
return true
|
|
end
|
|
|
|
if keys.SELECT then
|
|
if self.key then
|
|
self:setFocus(false)
|
|
end
|
|
if self.on_submit then
|
|
self.on_submit(self.text)
|
|
return true
|
|
end
|
|
return not not self.key
|
|
elseif keys.SEC_SELECT then
|
|
if self.key then
|
|
self:setFocus(false)
|
|
end
|
|
if self.on_submit2 then
|
|
self.on_submit2(self.text)
|
|
return true
|
|
end
|
|
return not not self.key
|
|
elseif keys._MOUSE_L then
|
|
local mouse_x, mouse_y = self:getMousePos()
|
|
if mouse_x then
|
|
self:setCursor(self.start_pos + mouse_x)
|
|
return true
|
|
end
|
|
elseif keys._STRING then
|
|
local old = self.text
|
|
if keys._STRING == 0 then
|
|
-- handle backspace
|
|
local del_pos = self.cursor - 1
|
|
if del_pos > 0 then
|
|
self:setText(old:sub(1, del_pos-1) .. old:sub(del_pos+1),
|
|
del_pos)
|
|
end
|
|
else
|
|
local cv = string.char(keys._STRING)
|
|
if not self.on_char or self.on_char(cv, old) then
|
|
self:setText(old:sub(1,self.cursor-1)..cv..old:sub(self.cursor),
|
|
self.cursor + 1)
|
|
elseif self.on_char then
|
|
return self.modal
|
|
end
|
|
end
|
|
if self.on_change and self.text ~= old then
|
|
self.on_change(self.text, old)
|
|
end
|
|
return true
|
|
elseif keys.CURSOR_LEFT then
|
|
self:setCursor(self.cursor - 1)
|
|
return true
|
|
elseif keys.A_MOVE_W_DOWN then -- Ctrl-Left (end of prev word)
|
|
local _, prev_word_end = self.text:sub(1, self.cursor-1):
|
|
find('.*[%w_%-][^%w_%-]')
|
|
self:setCursor(prev_word_end or 1)
|
|
return true
|
|
elseif keys.A_CARE_MOVE_W then -- Alt-Left (home)
|
|
self:setCursor(1)
|
|
return true
|
|
elseif keys.CURSOR_RIGHT then
|
|
self:setCursor(self.cursor + 1)
|
|
return true
|
|
elseif keys.A_MOVE_E_DOWN then -- Ctrl-Right (beginning of next word)
|
|
local _,next_word_start = self.text:find('[^%w_%-][%w_%-]', self.cursor)
|
|
self:setCursor(next_word_start)
|
|
return true
|
|
elseif keys.A_CARE_MOVE_E then -- Alt-Right (end)
|
|
self:setCursor()
|
|
return true
|
|
end
|
|
|
|
-- if we're modal, then unconditionally eat all the input
|
|
return self.modal
|
|
end
|
|
|
|
---------------
|
|
-- Scrollbar --
|
|
---------------
|
|
|
|
SCROLL_INITIAL_DELAY_MS = 300
|
|
SCROLL_DELAY_MS = 20
|
|
|
|
Scrollbar = defclass(Scrollbar, Widget)
|
|
|
|
Scrollbar.ATTRS{
|
|
fg = COLOR_LIGHTGREEN,
|
|
bg = COLOR_CYAN,
|
|
on_scroll = DEFAULT_NIL,
|
|
}
|
|
|
|
function Scrollbar:preinit(init_table)
|
|
init_table.frame = init_table.frame or {}
|
|
init_table.frame.w = init_table.frame.w or 1
|
|
end
|
|
|
|
function Scrollbar:init()
|
|
self.last_scroll_ms = 0
|
|
self.is_first_click = false
|
|
self.scroll_spec = nil
|
|
self.is_dragging = false -- index of the scrollbar tile that we're dragging
|
|
self:update(1, 1, 1)
|
|
end
|
|
|
|
local function scrollbar_get_max_pos_and_height(scrollbar)
|
|
local frame_body = scrollbar.frame_body
|
|
local scrollbar_body_height = (frame_body and frame_body.height or 3) - 2
|
|
|
|
local height = math.max(1, math.floor(
|
|
(math.min(scrollbar.elems_per_page, scrollbar.num_elems) * scrollbar_body_height) /
|
|
scrollbar.num_elems))
|
|
|
|
return scrollbar_body_height - height, height
|
|
end
|
|
|
|
-- calculate and cache the number of tiles of empty space above the top of the
|
|
-- scrollbar and the number of tiles the scrollbar should occupy to represent
|
|
-- the percentage of text that is on the screen.
|
|
-- if elems_per_page or num_elems are not specified, the last values passed to
|
|
-- Scrollbar:update() are used.
|
|
function Scrollbar:update(top_elem, elems_per_page, num_elems)
|
|
if not top_elem then error('must specify index of new top element') end
|
|
elems_per_page = elems_per_page or self.elems_per_page
|
|
num_elems = num_elems or self.num_elems
|
|
self.top_elem = top_elem
|
|
self.elems_per_page, self.num_elems = elems_per_page, num_elems
|
|
|
|
local max_pos, height = scrollbar_get_max_pos_and_height(self)
|
|
local pos = (num_elems == elems_per_page) and 0 or
|
|
math.ceil(((top_elem-1) * max_pos) /
|
|
(num_elems - elems_per_page))
|
|
|
|
self.bar_offset, self.bar_height = pos, height
|
|
end
|
|
|
|
local function scrollbar_do_drag(scrollbar)
|
|
local _,y = scrollbar.frame_body:localXY(dfhack.screen.getMousePos())
|
|
local cur_pos = y - scrollbar.is_dragging
|
|
local max_top = scrollbar.num_elems - scrollbar.elems_per_page + 1
|
|
local max_pos = scrollbar_get_max_pos_and_height(scrollbar)
|
|
local new_top_elem = math.floor(cur_pos * max_top / max_pos) + 1
|
|
new_top_elem = math.max(1, math.min(new_top_elem, max_top))
|
|
if new_top_elem ~= scrollbar.top_elem then
|
|
scrollbar.on_scroll(new_top_elem)
|
|
end
|
|
end
|
|
|
|
local function scrollbar_is_visible(scrollbar)
|
|
return scrollbar.elems_per_page < scrollbar.num_elems
|
|
end
|
|
|
|
local UP_ARROW_CHAR = string.char(24)
|
|
local DOWN_ARROW_CHAR = string.char(25)
|
|
local NO_ARROW_CHAR = string.char(32)
|
|
local BAR_CHAR = string.char(7)
|
|
local BAR_BG_CHAR = string.char(179)
|
|
|
|
function Scrollbar:onRenderBody(dc)
|
|
-- don't draw if all elements are visible
|
|
if not scrollbar_is_visible(self) then
|
|
return
|
|
end
|
|
-- render up arrow if we're not at the top
|
|
dc:seek(0, 0):char(
|
|
self.top_elem == 1 and NO_ARROW_CHAR or UP_ARROW_CHAR, self.fg, self.bg)
|
|
-- render scrollbar body
|
|
local starty = self.bar_offset + 1
|
|
local endy = self.bar_offset + self.bar_height
|
|
for y=1,dc.height-2 do
|
|
dc:seek(0, y)
|
|
if y >= starty and y <= endy then
|
|
dc:char(BAR_CHAR, self.fg)
|
|
else
|
|
dc:char(BAR_BG_CHAR, self.bg)
|
|
end
|
|
end
|
|
-- render down arrow if we're not at the bottom
|
|
local last_visible_el = self.top_elem + self.elems_per_page - 1
|
|
dc:seek(0, dc.height-1):char(
|
|
last_visible_el >= self.num_elems and NO_ARROW_CHAR or DOWN_ARROW_CHAR,
|
|
self.fg, self.bg)
|
|
if not self.on_scroll then return end
|
|
-- manage state for dragging and continuous scrolling
|
|
if self.is_dragging then
|
|
scrollbar_do_drag(self)
|
|
end
|
|
if df.global.enabler.mouse_lbut_down == 0 then
|
|
self.last_scroll_ms = 0
|
|
self.is_dragging = false
|
|
self.scroll_spec = nil
|
|
return
|
|
end
|
|
if self.last_scroll_ms == 0 then return end
|
|
local now = dfhack.getTickCount()
|
|
local delay = self.is_first_click and
|
|
SCROLL_INITIAL_DELAY_MS or SCROLL_DELAY_MS
|
|
if now - self.last_scroll_ms >= delay then
|
|
self.is_first_click = false
|
|
self.on_scroll(self.scroll_spec)
|
|
self.last_scroll_ms = now
|
|
end
|
|
end
|
|
|
|
function Scrollbar:onInput(keys)
|
|
if not keys._MOUSE_L_DOWN or not self.on_scroll
|
|
or not scrollbar_is_visible(self) then
|
|
return false
|
|
end
|
|
local _,y = self:getMousePos()
|
|
if not y then return false end
|
|
local scroll_spec = nil
|
|
if y == 0 then scroll_spec = 'up_small'
|
|
elseif y == self.frame_body.height - 1 then scroll_spec = 'down_small'
|
|
elseif y <= self.bar_offset then scroll_spec = 'up_large'
|
|
elseif y > self.bar_offset + self.bar_height then scroll_spec = 'down_large'
|
|
else
|
|
self.is_dragging = y - self.bar_offset
|
|
return true
|
|
end
|
|
self.scroll_spec = scroll_spec
|
|
self.on_scroll(scroll_spec)
|
|
-- reset continuous scroll state
|
|
self.is_first_click = true
|
|
self.last_scroll_ms = dfhack.getTickCount()
|
|
return true
|
|
end
|
|
|
|
-----------
|
|
-- Label --
|
|
-----------
|
|
|
|
function parse_label_text(obj)
|
|
local text = obj.text or {}
|
|
if type(text) ~= 'table' then
|
|
text = { text }
|
|
end
|
|
local curline = nil
|
|
local out = { }
|
|
local active = nil
|
|
local idtab = nil
|
|
for _,v in ipairs(text) do
|
|
local vv
|
|
if type(v) == 'string' then
|
|
vv = v:split(NEWLINE)
|
|
else
|
|
vv = { v }
|
|
end
|
|
|
|
for i = 1,#vv do
|
|
local cv = vv[i]
|
|
if i > 1 then
|
|
if not curline then
|
|
table.insert(out, {})
|
|
end
|
|
curline = nil
|
|
end
|
|
if cv ~= '' then
|
|
if not curline then
|
|
curline = {}
|
|
table.insert(out, curline)
|
|
end
|
|
|
|
if type(cv) == 'string' then
|
|
table.insert(curline, { text = cv })
|
|
else
|
|
table.insert(curline, cv)
|
|
|
|
if cv.on_activate then
|
|
active = active or {}
|
|
table.insert(active, cv)
|
|
end
|
|
|
|
if cv.id then
|
|
idtab = idtab or {}
|
|
idtab[cv.id] = cv
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
obj.text_lines = out
|
|
obj.text_active = active
|
|
obj.text_ids = idtab
|
|
end
|
|
|
|
local function is_disabled(token)
|
|
return (token.disabled ~= nil and getval(token.disabled)) or
|
|
(token.enabled ~= nil and not getval(token.enabled))
|
|
end
|
|
|
|
function render_text(obj,dc,x0,y0,pen,dpen,disabled)
|
|
local width = 0
|
|
for iline = dc and obj.start_line_num or 1, #obj.text_lines do
|
|
local x, line = 0, obj.text_lines[iline]
|
|
if dc then
|
|
local offset = (obj.start_line_num or 1) - 1
|
|
local y = y0 + iline - offset - 1
|
|
-- skip text outside of the containing frame
|
|
if y > dc.height - 1 then break end
|
|
dc:seek(x+x0, y)
|
|
end
|
|
for _,token in ipairs(line) do
|
|
token.line = iline
|
|
token.x1 = x
|
|
|
|
if token.gap then
|
|
x = x + token.gap
|
|
if dc then
|
|
dc:advance(token.gap)
|
|
end
|
|
end
|
|
|
|
if token.tile then
|
|
x = x + 1
|
|
if dc then
|
|
dc:char(nil, token.tile)
|
|
end
|
|
end
|
|
|
|
if token.text or token.key then
|
|
local text = ''..(getval(token.text) or '')
|
|
local keypen = dfhack.pen.parse(token.key_pen or COLOR_LIGHTGREEN)
|
|
|
|
if dc then
|
|
local tpen = getval(token.pen)
|
|
if disabled or is_disabled(token) then
|
|
dc:pen(getval(token.dpen) or tpen or dpen)
|
|
if keypen.fg ~= COLOR_BLACK then
|
|
keypen.bold = false
|
|
end
|
|
else
|
|
dc:pen(tpen or pen)
|
|
end
|
|
end
|
|
|
|
local width = getval(token.width)
|
|
local padstr
|
|
if width then
|
|
x = x + width
|
|
if #text > width then
|
|
text = string.sub(text,1,width)
|
|
else
|
|
if token.pad_char then
|
|
padstr = string.rep(token.pad_char,width-#text)
|
|
end
|
|
if dc and token.rjustify then
|
|
if padstr then dc:string(padstr) else dc:advance(width-#text) end
|
|
end
|
|
end
|
|
else
|
|
x = x + #text
|
|
end
|
|
|
|
if token.key then
|
|
local keystr = gui.getKeyDisplay(token.key)
|
|
local sep = token.key_sep or ''
|
|
|
|
x = x + #keystr
|
|
|
|
if sep:startswith('()') then
|
|
if dc then
|
|
dc:string(text)
|
|
dc:string(' ('):string(keystr,keypen)
|
|
dc:string(sep:sub(2))
|
|
end
|
|
x = x + 1 + #sep
|
|
else
|
|
if dc then
|
|
dc:string(keystr,keypen):string(sep):string(text)
|
|
end
|
|
x = x + #sep
|
|
end
|
|
else
|
|
if dc then
|
|
dc:string(text)
|
|
end
|
|
end
|
|
|
|
if width and dc and not token.rjustify then
|
|
if padstr then dc:string(padstr) else dc:advance(width-#text) end
|
|
end
|
|
end
|
|
|
|
token.x2 = x
|
|
end
|
|
width = math.max(width, x)
|
|
end
|
|
obj.text_width = width
|
|
end
|
|
|
|
function check_text_keys(self, keys)
|
|
if self.text_active then
|
|
for _,item in ipairs(self.text_active) do
|
|
if item.key and keys[item.key] and not is_disabled(item) then
|
|
item.on_activate()
|
|
return true
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
Label = defclass(Label, Widget)
|
|
|
|
Label.ATTRS{
|
|
text_pen = COLOR_WHITE,
|
|
text_dpen = COLOR_DARKGREY, -- disabled
|
|
text_hpen = DEFAULT_NIL, -- highlight - default is text_pen with reversed brightness
|
|
disabled = DEFAULT_NIL,
|
|
enabled = DEFAULT_NIL,
|
|
auto_height = true,
|
|
auto_width = false,
|
|
on_click = DEFAULT_NIL,
|
|
on_rclick = DEFAULT_NIL,
|
|
scroll_keys = STANDARDSCROLL,
|
|
}
|
|
|
|
function Label:init(args)
|
|
self.scrollbar = Scrollbar{
|
|
frame={r=0},
|
|
on_scroll=self:callback('on_scrollbar')}
|
|
|
|
self:addviews{self.scrollbar}
|
|
|
|
-- use existing saved text if no explicit text was specified. this avoids
|
|
-- overwriting pre-formatted text that subclasses may have already set
|
|
self:setText(args.text or self.text)
|
|
if not self.text_hpen then
|
|
self.text_hpen = ((tonumber(self.text_pen) or tonumber(self.text_pen.fg) or 0) + 8) % 16
|
|
end
|
|
end
|
|
|
|
local function update_label_scrollbar(label)
|
|
local body_height = label.frame_body and label.frame_body.height or 1
|
|
label.scrollbar:update(label.start_line_num, body_height,
|
|
label:getTextHeight())
|
|
end
|
|
|
|
function Label:setText(text)
|
|
self.start_line_num = 1
|
|
self.text = text
|
|
parse_label_text(self)
|
|
|
|
if self.auto_height then
|
|
self.frame = self.frame or {}
|
|
self.frame.h = self:getTextHeight()
|
|
end
|
|
|
|
update_label_scrollbar(self)
|
|
end
|
|
|
|
function Label:preUpdateLayout()
|
|
if self.auto_width then
|
|
self.frame = self.frame or {}
|
|
self.frame.w = self:getTextWidth()
|
|
end
|
|
end
|
|
|
|
function Label:postUpdateLayout()
|
|
update_label_scrollbar(self)
|
|
end
|
|
|
|
function Label:itemById(id)
|
|
if self.text_ids then
|
|
return self.text_ids[id]
|
|
end
|
|
end
|
|
|
|
function Label:getTextHeight()
|
|
return #self.text_lines
|
|
end
|
|
|
|
function Label:getTextWidth()
|
|
render_text(self)
|
|
return self.text_width
|
|
end
|
|
|
|
function Label:onRenderBody(dc)
|
|
local text_pen = self.text_pen
|
|
if self:getMousePos() and (self.on_click or self.on_rclick) then
|
|
text_pen = self.text_hpen
|
|
end
|
|
render_text(self,dc,0,0,text_pen,self.text_dpen,is_disabled(self))
|
|
end
|
|
|
|
function Label:on_scrollbar(scroll_spec)
|
|
local v = 0
|
|
if tonumber(scroll_spec) then
|
|
v = scroll_spec - self.start_line_num
|
|
elseif scroll_spec == 'down_large' then
|
|
v = '+halfpage'
|
|
elseif scroll_spec == 'up_large' then
|
|
v = '-halfpage'
|
|
elseif scroll_spec == 'down_small' then
|
|
v = 1
|
|
elseif scroll_spec == 'up_small' then
|
|
v = -1
|
|
end
|
|
|
|
self:scroll(v)
|
|
end
|
|
|
|
function Label:scroll(nlines)
|
|
if not nlines then return end
|
|
if type(nlines) == 'string' then
|
|
if nlines == '+page' then
|
|
nlines = self.frame_body.height
|
|
elseif nlines == '-page' then
|
|
nlines = -self.frame_body.height
|
|
elseif nlines == '+halfpage' then
|
|
nlines = math.ceil(self.frame_body.height/2)
|
|
elseif nlines == '-halfpage' then
|
|
nlines = -math.ceil(self.frame_body.height/2)
|
|
else
|
|
error(('unhandled scroll keyword: "%s"'):format(nlines))
|
|
end
|
|
end
|
|
local n = self.start_line_num + nlines
|
|
n = math.min(n, self:getTextHeight() - self.frame_body.height + 1)
|
|
n = math.max(n, 1)
|
|
nlines = n - self.start_line_num
|
|
self.start_line_num = n
|
|
update_label_scrollbar(self)
|
|
return nlines
|
|
end
|
|
|
|
function Label:onInput(keys)
|
|
if is_disabled(self) then return false end
|
|
if self:inputToSubviews(keys) then
|
|
return true
|
|
end
|
|
if keys._MOUSE_L_DOWN and self:getMousePos() and self.on_click then
|
|
self:on_click()
|
|
return true
|
|
end
|
|
if keys._MOUSE_R_DOWN and self:getMousePos() and self.on_rclick then
|
|
self:on_rclick()
|
|
return true
|
|
end
|
|
for k,v in pairs(self.scroll_keys) do
|
|
if keys[k] and 0 ~= self:scroll(v) then
|
|
return true
|
|
end
|
|
end
|
|
return check_text_keys(self, keys)
|
|
end
|
|
|
|
------------------
|
|
-- WrappedLabel --
|
|
------------------
|
|
|
|
WrappedLabel = defclass(WrappedLabel, Label)
|
|
|
|
WrappedLabel.ATTRS{
|
|
text_to_wrap=DEFAULT_NIL,
|
|
indent=0,
|
|
}
|
|
|
|
function WrappedLabel:getWrappedText(width)
|
|
-- 0 width can happen if the parent has 0 width
|
|
if not self.text_to_wrap or width <= 0 then return nil end
|
|
local text_to_wrap = getval(self.text_to_wrap)
|
|
if type(text_to_wrap) == 'table' then
|
|
text_to_wrap = table.concat(text_to_wrap, NEWLINE)
|
|
end
|
|
return text_to_wrap:wrap(width - self.indent)
|
|
end
|
|
|
|
-- we can't set the text in init() since we may not yet have a frame that we
|
|
-- can get wrapping bounds from.
|
|
function WrappedLabel:postComputeFrame()
|
|
local wrapped_text = self:getWrappedText(self.frame_body.width-1)
|
|
if not wrapped_text then return end
|
|
local text = {}
|
|
for _,line in ipairs(wrapped_text:split(NEWLINE)) do
|
|
table.insert(text, {gap=self.indent, text=line})
|
|
-- a trailing newline will get ignored so we don't have to manually trim
|
|
table.insert(text, NEWLINE)
|
|
end
|
|
self:setText(text)
|
|
end
|
|
|
|
------------------
|
|
-- TooltipLabel --
|
|
------------------
|
|
|
|
TooltipLabel = defclass(TooltipLabel, WrappedLabel)
|
|
|
|
TooltipLabel.ATTRS{
|
|
show_tooltip=DEFAULT_NIL,
|
|
indent=2,
|
|
text_pen=COLOR_GREY,
|
|
}
|
|
|
|
function TooltipLabel:preUpdateLayout()
|
|
self.visible = getval(self.show_tooltip)
|
|
end
|
|
|
|
-----------------
|
|
-- HotkeyLabel --
|
|
-----------------
|
|
|
|
HotkeyLabel = defclass(HotkeyLabel, Label)
|
|
|
|
HotkeyLabel.ATTRS{
|
|
key=DEFAULT_NIL,
|
|
key_sep=': ',
|
|
label=DEFAULT_NIL,
|
|
on_activate=DEFAULT_NIL,
|
|
}
|
|
|
|
function HotkeyLabel:init()
|
|
self:setText{{key=self.key, key_sep=self.key_sep, text=self.label,
|
|
on_activate=self.on_activate}}
|
|
end
|
|
|
|
function HotkeyLabel:onInput(keys)
|
|
if HotkeyLabel.super.onInput(self, keys) then
|
|
return true
|
|
elseif keys._MOUSE_L and self:getMousePos() then
|
|
self.on_activate()
|
|
return true
|
|
end
|
|
end
|
|
|
|
----------------------
|
|
-- CycleHotkeyLabel --
|
|
----------------------
|
|
|
|
CycleHotkeyLabel = defclass(CycleHotkeyLabel, Label)
|
|
|
|
CycleHotkeyLabel.ATTRS{
|
|
key=DEFAULT_NIL,
|
|
label=DEFAULT_NIL,
|
|
label_width=DEFAULT_NIL,
|
|
options=DEFAULT_NIL,
|
|
initial_option=1,
|
|
on_change=DEFAULT_NIL,
|
|
}
|
|
|
|
function CycleHotkeyLabel:init()
|
|
-- initialize option_idx
|
|
for i in ipairs(self.options) do
|
|
if self.initial_option == self:getOptionValue(i) then
|
|
self.option_idx = i
|
|
break
|
|
end
|
|
end
|
|
if not self.option_idx then
|
|
if self.options[self.initial_option] then
|
|
self.option_idx = self.initial_option
|
|
end
|
|
end
|
|
if not self.option_idx then
|
|
error(('cannot find option with value or index: "%s"')
|
|
:format(self.initial_option))
|
|
end
|
|
|
|
self:setText{
|
|
{key=self.key, key_sep=': ', text=self.label, width=self.label_width,
|
|
on_activate=self:callback('cycle')},
|
|
' ',
|
|
{text=self:callback('getOptionLabel')},
|
|
}
|
|
end
|
|
|
|
function CycleHotkeyLabel:cycle()
|
|
local old_option_idx = self.option_idx
|
|
if self.option_idx == #self.options then
|
|
self.option_idx = 1
|
|
else
|
|
self.option_idx = self.option_idx + 1
|
|
end
|
|
if self.on_change then
|
|
self.on_change(self:getOptionValue(),
|
|
self:getOptionValue(old_option_idx))
|
|
end
|
|
end
|
|
|
|
function CycleHotkeyLabel:getOptionLabel(option_idx)
|
|
option_idx = option_idx or self.option_idx
|
|
local option = self.options[option_idx]
|
|
if type(option) == 'table' then
|
|
return option.label
|
|
end
|
|
return option
|
|
end
|
|
|
|
function CycleHotkeyLabel:getOptionValue(option_idx)
|
|
option_idx = option_idx or self.option_idx
|
|
local option = self.options[option_idx]
|
|
if type(option) == 'table' then
|
|
return option.value
|
|
end
|
|
return option
|
|
end
|
|
|
|
function CycleHotkeyLabel:onInput(keys)
|
|
if CycleHotkeyLabel.super.onInput(self, keys) then
|
|
return true
|
|
elseif keys._MOUSE_L and self:getMousePos() then
|
|
self:cycle()
|
|
return true
|
|
end
|
|
end
|
|
|
|
-----------------------
|
|
-- ToggleHotkeyLabel --
|
|
-----------------------
|
|
|
|
ToggleHotkeyLabel = defclass(ToggleHotkeyLabel, CycleHotkeyLabel)
|
|
ToggleHotkeyLabel.ATTRS{
|
|
options={{label='On', value=true},
|
|
{label='Off', value=false}},
|
|
}
|
|
|
|
----------
|
|
-- List --
|
|
----------
|
|
|
|
List = defclass(List, Widget)
|
|
|
|
List.ATTRS{
|
|
text_pen = COLOR_CYAN,
|
|
cursor_pen = COLOR_LIGHTCYAN,
|
|
inactive_pen = DEFAULT_NIL,
|
|
on_select = DEFAULT_NIL,
|
|
on_submit = DEFAULT_NIL,
|
|
on_submit2 = DEFAULT_NIL,
|
|
row_height = 1,
|
|
scroll_keys = STANDARDSCROLL,
|
|
icon_width = DEFAULT_NIL,
|
|
}
|
|
|
|
function List:init(info)
|
|
self.page_top = 1
|
|
self.page_size = 1
|
|
self.scrollbar = Scrollbar{
|
|
frame={r=0},
|
|
on_scroll=self:callback('on_scrollbar')}
|
|
|
|
self:addviews{self.scrollbar}
|
|
|
|
if info.choices then
|
|
self:setChoices(info.choices, info.selected)
|
|
else
|
|
self.choices = {}
|
|
self.selected = 1
|
|
end
|
|
end
|
|
|
|
function List:setChoices(choices, selected)
|
|
self.choices = {}
|
|
|
|
for i,v in ipairs(choices or {}) do
|
|
local l = utils.clone(v);
|
|
if type(v) ~= 'table' then
|
|
l = { text = v }
|
|
else
|
|
l.text = v.text or v.caption or v[1]
|
|
end
|
|
parse_label_text(l)
|
|
self.choices[i] = l
|
|
end
|
|
|
|
self:setSelected(selected)
|
|
end
|
|
|
|
function List:setSelected(selected)
|
|
self.selected = selected or self.selected or 1
|
|
self:moveCursor(0, true)
|
|
return self.selected
|
|
end
|
|
|
|
function List:getChoices()
|
|
return self.choices
|
|
end
|
|
|
|
function List:getSelected()
|
|
if #self.choices > 0 then
|
|
return self.selected, self.choices[self.selected]
|
|
end
|
|
end
|
|
|
|
function List:getContentWidth()
|
|
local width = 0
|
|
for i,v in ipairs(self.choices) do
|
|
render_text(v)
|
|
local roww = v.text_width
|
|
if v.key then
|
|
roww = roww + 3 + #gui.getKeyDisplay(v.key)
|
|
end
|
|
width = math.max(width, roww)
|
|
end
|
|
return width + (self.icon_width or 0)
|
|
end
|
|
|
|
function List:getContentHeight()
|
|
return #self.choices * self.row_height
|
|
end
|
|
|
|
function List:postComputeFrame(body)
|
|
self.page_size = math.max(1, math.floor(body.height / self.row_height))
|
|
self:moveCursor(0)
|
|
end
|
|
|
|
local function update_list_scrollbar(list)
|
|
list.scrollbar:update(list.page_top, list.page_size, #list.choices)
|
|
end
|
|
|
|
function List:postUpdateLayout()
|
|
update_list_scrollbar(self)
|
|
end
|
|
|
|
function List:moveCursor(delta, force_cb)
|
|
local cnt = #self.choices
|
|
|
|
if cnt < 1 then
|
|
self.page_top = 1
|
|
self.selected = 1
|
|
update_list_scrollbar(self)
|
|
if force_cb and self.on_select then
|
|
self.on_select(nil,nil)
|
|
end
|
|
return
|
|
end
|
|
|
|
local off = self.selected+delta-1
|
|
local ds = math.abs(delta)
|
|
|
|
if ds > 1 then
|
|
if off >= cnt+ds-1 then
|
|
off = 0
|
|
else
|
|
off = math.min(cnt-1, off)
|
|
end
|
|
if off <= -ds then
|
|
off = cnt-1
|
|
else
|
|
off = math.max(0, off)
|
|
end
|
|
end
|
|
|
|
local buffer = 1 + math.min(4, math.floor(self.page_size/10))
|
|
|
|
self.selected = 1 + off % cnt
|
|
if (self.selected - buffer) < self.page_top then
|
|
self.page_top = math.max(1, self.selected - buffer)
|
|
elseif (self.selected + buffer + 1) > (self.page_top + self.page_size) then
|
|
local max_page_top = cnt - self.page_size + 1
|
|
self.page_top = math.max(1,
|
|
math.min(max_page_top, self.selected - self.page_size + buffer + 1))
|
|
end
|
|
update_list_scrollbar(self)
|
|
|
|
if (force_cb or delta ~= 0) and self.on_select then
|
|
self.on_select(self:getSelected())
|
|
end
|
|
end
|
|
|
|
function List:on_scrollbar(scroll_spec)
|
|
local v = 0
|
|
if tonumber(scroll_spec) then
|
|
v = scroll_spec - self.page_top
|
|
elseif scroll_spec == 'down_large' then
|
|
v = math.ceil(self.page_size / 2)
|
|
elseif scroll_spec == 'up_large' then
|
|
v = -math.ceil(self.page_size / 2)
|
|
elseif scroll_spec == 'down_small' then
|
|
v = 1
|
|
elseif scroll_spec == 'up_small' then
|
|
v = -1
|
|
end
|
|
|
|
local max_page_top = math.max(1, #self.choices - self.page_size + 1)
|
|
self.page_top = math.max(1, math.min(max_page_top, self.page_top + v))
|
|
update_list_scrollbar(self)
|
|
end
|
|
|
|
function List:onRenderBody(dc)
|
|
local choices = self.choices
|
|
local top = self.page_top
|
|
local iend = math.min(#choices, top+self.page_size-1)
|
|
local iw = self.icon_width
|
|
|
|
local function paint_icon(icon, obj)
|
|
if type(icon) ~= 'string' then
|
|
dc:char(nil,icon)
|
|
else
|
|
if current then
|
|
dc:string(icon, obj.icon_pen or self.icon_pen or cur_pen)
|
|
else
|
|
dc:string(icon, obj.icon_pen or self.icon_pen or cur_dpen)
|
|
end
|
|
end
|
|
end
|
|
|
|
for i = top,iend do
|
|
local obj = choices[i]
|
|
local current = (i == self.selected)
|
|
local cur_pen = self.cursor_pen
|
|
local cur_dpen = self.text_pen
|
|
local active_pen = current and cur_pen or cur_dpen
|
|
|
|
if not self.active then
|
|
cur_pen = self.inactive_pen or self.cursor_pen
|
|
end
|
|
|
|
local y = (i - top)*self.row_height
|
|
local icon = getval(obj.icon)
|
|
|
|
if iw and icon then
|
|
dc:seek(0, y):pen(active_pen)
|
|
paint_icon(icon, obj)
|
|
end
|
|
|
|
render_text(obj, dc, iw or 0, y, cur_pen, cur_dpen, not current)
|
|
|
|
local ip = dc.width
|
|
|
|
if obj.key then
|
|
local keystr = gui.getKeyDisplay(obj.key)
|
|
ip = ip-3-#keystr
|
|
dc:seek(ip,y):pen(self.text_pen)
|
|
dc:string('('):string(keystr,COLOR_LIGHTGREEN):string(')')
|
|
end
|
|
|
|
if icon and not iw then
|
|
dc:seek(ip-1,y):pen(active_pen)
|
|
paint_icon(icon, obj)
|
|
end
|
|
end
|
|
end
|
|
|
|
function List:getIdxUnderMouse()
|
|
if self.scrollbar:getMousePos() then return end
|
|
local _,mouse_y = self:getMousePos()
|
|
if mouse_y and #self.choices > 0 and
|
|
mouse_y < (#self.choices-self.page_top+1) * self.row_height then
|
|
return self.page_top + math.floor(mouse_y/self.row_height)
|
|
end
|
|
end
|
|
|
|
function List:submit()
|
|
if self.on_submit and #self.choices > 0 then
|
|
self.on_submit(self:getSelected())
|
|
end
|
|
end
|
|
|
|
function List:submit2()
|
|
if self.on_submit2 and #self.choices > 0 then
|
|
self.on_submit2(self:getSelected())
|
|
end
|
|
end
|
|
|
|
function List:onInput(keys)
|
|
if self:inputToSubviews(keys) then
|
|
return true
|
|
end
|
|
if self.on_submit and keys.SELECT then
|
|
self:submit()
|
|
return true
|
|
elseif self.on_submit2 and keys.SEC_SELECT then
|
|
self:submit2()
|
|
return true
|
|
elseif keys._MOUSE_L then
|
|
local idx = self:getIdxUnderMouse()
|
|
if idx then
|
|
self:setSelected(idx)
|
|
if dfhack.internal.getModifiers().shift then
|
|
self:submit2()
|
|
else
|
|
self:submit()
|
|
end
|
|
return true
|
|
end
|
|
else
|
|
for k,v in pairs(self.scroll_keys) do
|
|
if keys[k] then
|
|
if v == '+page' then
|
|
v = self.page_size
|
|
elseif v == '-page' then
|
|
v = -self.page_size
|
|
end
|
|
|
|
self:moveCursor(v)
|
|
return true
|
|
end
|
|
end
|
|
|
|
for i,v in ipairs(self.choices) do
|
|
if v.key and keys[v.key] then
|
|
self:setSelected(i)
|
|
self:submit()
|
|
return true
|
|
end
|
|
end
|
|
|
|
local current = self.choices[self.selected]
|
|
if current then
|
|
return check_text_keys(current, keys)
|
|
end
|
|
end
|
|
end
|
|
|
|
-------------------
|
|
-- Filtered List --
|
|
-------------------
|
|
|
|
FilteredList = defclass(FilteredList, Widget)
|
|
|
|
FilteredList.ATTRS {
|
|
edit_below = false,
|
|
edit_key = DEFAULT_NIL,
|
|
edit_ignore_keys = DEFAULT_NIL,
|
|
edit_on_char = DEFAULT_NIL,
|
|
}
|
|
|
|
function FilteredList:init(info)
|
|
local on_char = self:callback('onFilterChar')
|
|
if self.edit_on_char then
|
|
on_char = function(c, text)
|
|
return self.edit_on_char(c, text) and self:onFilterChar(c, text)
|
|
end
|
|
end
|
|
|
|
self.edit = EditField{
|
|
text_pen = info.edit_pen or info.cursor_pen,
|
|
frame = { l = info.icon_width, t = 0, h = 1 },
|
|
on_change = self:callback('onFilterChange'),
|
|
on_char = on_char,
|
|
key = self.edit_key,
|
|
ignore_keys = self.edit_ignore_keys,
|
|
}
|
|
self.list = List{
|
|
frame = { t = 2 },
|
|
text_pen = info.text_pen,
|
|
cursor_pen = info.cursor_pen,
|
|
inactive_pen = info.inactive_pen,
|
|
icon_pen = info.icon_pen,
|
|
row_height = info.row_height,
|
|
scroll_keys = info.scroll_keys,
|
|
icon_width = info.icon_width,
|
|
}
|
|
if self.edit_below then
|
|
self.edit.frame = { l = info.icon_width, b = 0, h = 1 }
|
|
self.list.frame = { t = 0, b = 2 }
|
|
end
|
|
if info.on_select then
|
|
self.list.on_select = function()
|
|
return info.on_select(self:getSelected())
|
|
end
|
|
end
|
|
if info.on_submit then
|
|
self.list.on_submit = function()
|
|
return info.on_submit(self:getSelected())
|
|
end
|
|
end
|
|
if info.on_submit2 then
|
|
self.list.on_submit2 = function()
|
|
return info.on_submit2(self:getSelected())
|
|
end
|
|
end
|
|
self.not_found = Label{
|
|
visible = true,
|
|
text = info.not_found_label or 'No matches',
|
|
text_pen = COLOR_LIGHTRED,
|
|
frame = { l = info.icon_width, t = self.list.frame.t },
|
|
}
|
|
self:addviews{ self.edit, self.list, self.not_found }
|
|
if info.choices then
|
|
self:setChoices(info.choices, info.selected)
|
|
else
|
|
self.choices = {}
|
|
end
|
|
end
|
|
|
|
function FilteredList:getChoices()
|
|
return self.choices
|
|
end
|
|
|
|
function FilteredList:getVisibleChoices()
|
|
return self.list.choices
|
|
end
|
|
|
|
function FilteredList:setChoices(choices, pos)
|
|
choices = choices or {}
|
|
self.edit:setText('')
|
|
self.list:setChoices(choices, pos)
|
|
self.choices = self.list.choices
|
|
self.not_found.visible = (#choices == 0)
|
|
end
|
|
|
|
function FilteredList:submit()
|
|
return self.list:submit()
|
|
end
|
|
|
|
function FilteredList:submit2()
|
|
return self.list:submit2()
|
|
end
|
|
|
|
function FilteredList:canSubmit()
|
|
return not self.not_found.visible
|
|
end
|
|
|
|
function FilteredList:getSelected()
|
|
local i,v = self.list:getSelected()
|
|
if i then
|
|
return map_opttab(self.choice_index, i), v
|
|
end
|
|
end
|
|
|
|
function FilteredList:getContentWidth()
|
|
return self.list:getContentWidth()
|
|
end
|
|
|
|
function FilteredList:getContentHeight()
|
|
return self.list:getContentHeight() + 2
|
|
end
|
|
|
|
function FilteredList:getFilter()
|
|
return self.edit.text, self.list.choices
|
|
end
|
|
|
|
function FilteredList:setFilter(filter, pos)
|
|
local choices = self.choices
|
|
local cidx = nil
|
|
|
|
filter = filter or ''
|
|
if filter ~= self.edit.text then
|
|
self.edit:setText(filter)
|
|
end
|
|
|
|
if filter ~= '' then
|
|
local tokens = filter:split()
|
|
local ipos = pos
|
|
|
|
choices = {}
|
|
cidx = {}
|
|
pos = nil
|
|
|
|
for i,v in ipairs(self.choices) do
|
|
local ok = true
|
|
local search_key = v.search_key or v.text
|
|
for _,key in ipairs(tokens) do
|
|
key = key:escape_pattern()
|
|
-- start matches at non-space or non-punctuation. this allows
|
|
-- punctuation itself to be matched if that is useful (e.g.
|
|
-- filenames or parameter names)
|
|
if key ~= '' and
|
|
not search_key:match('%f[^%p\x00]'..key) and
|
|
not search_key:match('%f[^%s\x00]'..key) then
|
|
ok = false
|
|
break
|
|
end
|
|
end
|
|
if ok then
|
|
table.insert(choices, v)
|
|
cidx[#choices] = i
|
|
if ipos == i then
|
|
pos = #choices
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
self.choice_index = cidx
|
|
self.list:setChoices(choices, pos)
|
|
self.not_found.visible = (#choices == 0)
|
|
end
|
|
|
|
function FilteredList:onFilterChange(text)
|
|
self:setFilter(text)
|
|
end
|
|
|
|
function FilteredList:onFilterChar(char, text)
|
|
if char == ' ' then
|
|
return string.match(text, '%S$')
|
|
end
|
|
return true
|
|
end
|
|
|
|
return _ENV
|