1147 lines
29 KiB
Lua
1147 lines
29 KiB
Lua
-- Simple widgets for screens
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local _ENV = mkmodule('gui.widgets')
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local gui = require('gui')
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local utils = require('utils')
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local dscreen = dfhack.screen
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local function show_view(view,vis)
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if view then
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view.visible = vis
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end
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end
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local function getval(obj)
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if type(obj) == 'function' then
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return obj()
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else
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return obj
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end
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end
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local function map_opttab(tab,idx)
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if tab then
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return tab[idx]
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else
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return idx
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end
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end
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STANDARDSCROLL = {
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STANDARDSCROLL_UP = -1,
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STANDARDSCROLL_DOWN = 1,
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STANDARDSCROLL_PAGEUP = '-page',
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STANDARDSCROLL_PAGEDOWN = '+page',
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}
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SECONDSCROLL = {
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SECONDSCROLL_UP = -1,
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SECONDSCROLL_DOWN = 1,
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SECONDSCROLL_PAGEUP = '-page',
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SECONDSCROLL_PAGEDOWN = '+page',
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}
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------------
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-- Widget --
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------------
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Widget = defclass(Widget, gui.View)
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Widget.ATTRS {
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frame = DEFAULT_NIL,
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frame_inset = DEFAULT_NIL,
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frame_background = DEFAULT_NIL,
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}
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function Widget:computeFrame(parent_rect)
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local sw, sh = parent_rect.width, parent_rect.height
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return gui.compute_frame_body(sw, sh, self.frame, self.frame_inset)
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end
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function Widget:onRenderFrame(dc, rect)
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if self.frame_background then
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dc:fill(rect, self.frame_background)
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end
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end
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-----------
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-- Panel --
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-----------
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Panel = defclass(Panel, Widget)
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Panel.ATTRS {
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on_render = DEFAULT_NIL,
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on_layout = DEFAULT_NIL,
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autoarrange_subviews = false, -- whether to automatically lay out subviews
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autoarrange_gap = 0, -- how many blank lines to insert between widgets
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}
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function Panel:init(args)
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self:addviews(args.subviews)
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end
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function Panel:onRenderBody(dc)
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if self.on_render then self.on_render(dc) end
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end
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function Panel:postComputeFrame(body)
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if self.on_layout then self.on_layout(body) end
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end
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-- if self.autoarrange_subviews is true, lay out visible subviews vertically,
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-- adding gaps between widgets according to self.autoarrange_gap.
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function Panel:postUpdateLayout()
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if not self.autoarrange_subviews then return end
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local gap = self.autoarrange_gap
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local y = 0
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for _,subview in ipairs(self.subviews) do
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if not subview.frame then goto continue end
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subview.frame.t = y
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if subview.visible then
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y = y + (subview.frame.h or 0) + gap
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end
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::continue::
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end
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self.frame_rect.height = y
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-- let widgets adjust to their new positions
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self:updateSubviewLayout()
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end
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-------------------
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-- ResizingPanel --
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-------------------
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ResizingPanel = defclass(ResizingPanel, Panel)
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-- adjust our frame dimensions according to positions and sizes of our subviews
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function ResizingPanel:postUpdateLayout(frame_body)
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local w, h = 0, 0
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for _,subview in ipairs(self.subviews) do
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if subview.visible then
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w = math.max(w, (subview.frame.l or 0) +
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(subview.frame.w or frame_body.width))
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h = math.max(h, (subview.frame.t or 0) +
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(subview.frame.h or frame_body.height))
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end
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end
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if not self.frame then self.frame = {} end
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self.frame.w, self.frame.h = w, h
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end
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-----------
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-- Pages --
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-----------
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Pages = defclass(Pages, Panel)
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function Pages:init(args)
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for _,v in ipairs(self.subviews) do
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v.visible = false
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end
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self:setSelected(args.selected or 1)
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end
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function Pages:setSelected(idx)
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if type(idx) ~= 'number' then
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local key = idx
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if type(idx) == 'string' then
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key = self.subviews[key]
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end
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idx = utils.linear_index(self.subviews, key)
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if not idx then
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error('Unknown page: '..key)
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end
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end
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show_view(self.subviews[self.selected], false)
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self.selected = math.min(math.max(1, idx), #self.subviews)
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show_view(self.subviews[self.selected], true)
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end
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function Pages:getSelected()
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return self.selected, self.subviews[self.selected]
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end
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function Pages:getSelectedPage()
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return self.subviews[self.selected]
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end
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----------------
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-- Edit field --
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----------------
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EditField = defclass(EditField, Widget)
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EditField.ATTRS{
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label_text = DEFAULT_NIL,
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text = '',
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text_pen = DEFAULT_NIL,
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on_char = DEFAULT_NIL,
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on_change = DEFAULT_NIL,
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on_submit = DEFAULT_NIL,
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key = DEFAULT_NIL,
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key_sep = DEFAULT_NIL,
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frame = {h=1},
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modal = false,
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}
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function EditField:init()
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local function on_activate()
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self.saved_text = self.text
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self:setFocus(true)
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end
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self:addviews{HotkeyLabel{frame={t=0,l=0},
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key=self.key,
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key_sep=self.key_sep,
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label=self.label_text,
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on_activate=self.key and on_activate or nil}}
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end
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function EditField:getPreferredFocusState()
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return not self.key
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end
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function EditField:postUpdateLayout()
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self.text_offset = self.subviews[1]:getTextWidth()
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end
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function EditField:onRenderBody(dc)
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dc:pen(self.text_pen or COLOR_LIGHTCYAN):fill(0,0,dc.width-1,0)
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local cursor = '_'
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if not self.active or not self.focus or gui.blink_visible(300) then
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cursor = ' '
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end
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local txt = self.text .. cursor
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local max_width = dc.width - self.text_offset
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if #txt > max_width then
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txt = string.char(27)..string.sub(txt, #txt-max_width+2)
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end
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dc:advance(self.text_offset):string(txt)
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end
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function EditField:onInput(keys)
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if not self.focus then
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-- only react to our hotkey
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return self:inputToSubviews(keys)
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end
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if self.key and keys.LEAVESCREEN then
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local old = self.text
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self.text = self.saved_text
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if self.on_change and old ~= self.saved_text then
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self.on_change(self.text, old)
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end
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self:setFocus(false)
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return true
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end
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if keys.SELECT then
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if self.key then
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self:setFocus(false)
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end
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if self.on_submit then
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self.on_submit(self.text)
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return true
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end
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return not not self.key
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end
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if keys._STRING then
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local old = self.text
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if keys._STRING == 0 then
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-- handle backspace
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self.text = string.sub(old, 1, #old-1)
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else
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local cv = string.char(keys._STRING)
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if not self.on_char or self.on_char(cv, old) then
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self.text = old .. cv
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end
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end
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if self.on_change and self.text ~= old then
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self.on_change(self.text, old)
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end
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return true
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end
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-- if we're modal, then unconditionally eat all the input
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return self.modal
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end
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-----------
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-- Label --
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-----------
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function parse_label_text(obj)
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local text = obj.text or {}
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if type(text) ~= 'table' then
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text = { text }
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end
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local curline = nil
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local out = { }
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local active = nil
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local idtab = nil
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for _,v in ipairs(text) do
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local vv
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if type(v) == 'string' then
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vv = v:split(NEWLINE)
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else
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vv = { v }
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end
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for i = 1,#vv do
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local cv = vv[i]
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if i > 1 then
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if not curline then
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table.insert(out, {})
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end
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curline = nil
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end
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if cv ~= '' then
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if not curline then
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curline = {}
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table.insert(out, curline)
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end
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if type(cv) == 'string' then
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table.insert(curline, { text = cv })
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else
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table.insert(curline, cv)
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if cv.on_activate then
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active = active or {}
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table.insert(active, cv)
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end
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if cv.id then
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idtab = idtab or {}
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idtab[cv.id] = cv
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end
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end
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end
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end
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end
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obj.text_lines = out
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obj.text_active = active
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obj.text_ids = idtab
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end
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local function is_disabled(token)
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return (token.disabled ~= nil and getval(token.disabled)) or
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(token.enabled ~= nil and not getval(token.enabled))
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end
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function render_text(obj,dc,x0,y0,pen,dpen,disabled)
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local width = 0
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for iline = dc and obj.start_line_num or 1, #obj.text_lines do
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local x, line = 0, obj.text_lines[iline]
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if dc then
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local offset = (obj.start_line_num or 1) - 1
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local y = y0 + iline - offset - 1
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-- skip text outside of the containing frame
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if y > dc.height - 1 then break end
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dc:seek(x+x0, y)
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end
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for _,token in ipairs(line) do
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token.line = iline
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token.x1 = x
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if token.gap then
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x = x + token.gap
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if dc then
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dc:advance(token.gap)
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end
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end
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if token.tile then
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x = x + 1
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if dc then
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dc:char(nil, token.tile)
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end
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end
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if token.text or token.key then
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local text = ''..(getval(token.text) or '')
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local keypen = dfhack.pen.parse(token.key_pen or COLOR_LIGHTGREEN)
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if dc then
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local tpen = getval(token.pen)
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if disabled or is_disabled(token) then
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dc:pen(getval(token.dpen) or tpen or dpen)
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if keypen.fg ~= COLOR_BLACK then
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keypen.bold = false
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end
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else
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dc:pen(tpen or pen)
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end
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end
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local width = getval(token.width)
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local padstr
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if width then
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x = x + width
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if #text > width then
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text = string.sub(text,1,width)
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else
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if token.pad_char then
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padstr = string.rep(token.pad_char,width-#text)
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end
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if dc and token.rjustify then
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if padstr then dc:string(padstr) else dc:advance(width-#text) end
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end
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end
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else
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x = x + #text
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end
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if token.key then
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local keystr = gui.getKeyDisplay(token.key)
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local sep = token.key_sep or ''
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x = x + #keystr
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if sep:startswith('()') then
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if dc then
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dc:string(text)
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dc:string(' ('):string(keystr,keypen)
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dc:string(sep:sub(2))
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end
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x = x + 1 + #sep
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else
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if dc then
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dc:string(keystr,keypen):string(sep):string(text)
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end
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x = x + #sep
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end
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else
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if dc then
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dc:string(text)
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end
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end
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if width and dc and not token.rjustify then
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if padstr then dc:string(padstr) else dc:advance(width-#text) end
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end
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end
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token.x2 = x
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end
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width = math.max(width, x)
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end
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obj.text_width = width
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end
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function check_text_keys(self, keys)
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if self.text_active then
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for _,item in ipairs(self.text_active) do
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if item.key and keys[item.key] and not is_disabled(item) then
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item.on_activate()
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return true
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end
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end
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end
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end
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Label = defclass(Label, Widget)
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Label.ATTRS{
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text_pen = COLOR_WHITE,
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text_dpen = COLOR_DARKGREY, -- disabled
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text_hpen = DEFAULT_NIL, -- highlight - default is text_pen with reversed brightness
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disabled = DEFAULT_NIL,
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enabled = DEFAULT_NIL,
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auto_height = true,
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auto_width = false,
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on_click = DEFAULT_NIL,
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on_rclick = DEFAULT_NIL,
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--
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scroll_keys = STANDARDSCROLL,
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show_scroll_icons = DEFAULT_NIL, -- DEFAULT_NIL, 'right', 'left', false
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up_arrow_icon = string.char(24),
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down_arrow_icon = string.char(25),
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scroll_icon_pen = COLOR_LIGHTCYAN,
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}
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function Label:init(args)
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-- use existing saved text if no explicit text was specified. this avoids
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-- overwriting pre-formatted text that subclasses may have already set
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self:setText(args.text or self.text)
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if not self.text_hpen then
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self.text_hpen = ((tonumber(self.text_pen) or tonumber(self.text_pen.fg) or 0) + 8) % 16
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end
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end
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function Label:setText(text)
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self.start_line_num = 1
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self.text = text
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parse_label_text(self)
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if self.auto_height then
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self.frame = self.frame or {}
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self.frame.h = self:getTextHeight()
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end
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end
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function Label:update_scroll_inset()
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if self.show_scroll_icons == nil then
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self._show_scroll_icons = self:getTextHeight() > self.frame_body.height and 'right' or false
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else
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self._show_scroll_icons = self.show_scroll_icons
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end
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if self._show_scroll_icons then
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-- here self._show_scroll_icons can only be either
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-- 'left' or any true value which we interpret as right
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local l,t,r,b = gui.parse_inset(self.frame_inset)
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if self._show_scroll_icons == 'left' and l <= 0 then
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l = 1
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elseif r <= 0 then
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r = 1
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end
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self.frame_inset = {l=l,t=t,r=r,b=b}
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end
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end
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function Label:render_scroll_icons(dc, x, y1, y2)
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if self.start_line_num ~= 1 then
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dc:seek(x, y1):char(self.up_arrow_icon, self.scroll_icon_pen)
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end
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local last_visible_line = self.start_line_num + self.frame_body.height - 1
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if last_visible_line < self:getTextHeight() then
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dc:seek(x, y2):char(self.down_arrow_icon, self.scroll_icon_pen)
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end
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end
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function Label:computeFrame(parent_rect)
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local frame_rect,body_rect = Label.super.computeFrame(self, parent_rect)
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self.frame_rect = frame_rect
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self.frame_body = parent_rect:viewport(body_rect or frame_rect)
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self:update_scroll_inset() -- frame_body is now set
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-- recalc with updated frame_inset
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return Label.super.computeFrame(self, parent_rect)
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end
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|
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function Label:preUpdateLayout()
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if self.auto_width then
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self.frame = self.frame or {}
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self.frame.w = self:getTextWidth()
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end
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end
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function Label:itemById(id)
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if self.text_ids then
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return self.text_ids[id]
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end
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end
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function Label:getTextHeight()
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return #self.text_lines
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end
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function Label:getTextWidth()
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render_text(self)
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return self.text_width
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end
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function Label:onRenderBody(dc)
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local text_pen = self.text_pen
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if self:getMousePos() and (self.on_click or self.on_rclick) then
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text_pen = self.text_hpen
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end
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render_text(self,dc,0,0,text_pen,self.text_dpen,is_disabled(self))
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end
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|
|
function Label:onRenderFrame(dc, rect)
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if self._show_scroll_icons
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and self:getTextHeight() > self.frame_body.height
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then
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local x = self._show_scroll_icons == 'left'
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and self.frame_body.x1-dc.x1-1
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or self.frame_body.x2-dc.x1+1
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self:render_scroll_icons(dc,
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x,
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self.frame_body.y1-dc.y1,
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self.frame_body.y2-dc.y1
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)
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end
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end
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|
|
|
function Label:scroll(nlines)
|
|
local n = self.start_line_num + nlines
|
|
n = math.min(n, self:getTextHeight() - self.frame_body.height + 1)
|
|
n = math.max(n, 1)
|
|
self.start_line_num = n
|
|
end
|
|
|
|
function Label:onInput(keys)
|
|
if is_disabled(self) then return false end
|
|
if keys._MOUSE_L_DOWN and self:getMousePos() and self.on_click then
|
|
self:on_click()
|
|
end
|
|
if keys._MOUSE_R_DOWN and self:getMousePos() and self.on_rclick then
|
|
self:on_rclick()
|
|
end
|
|
for k,v in pairs(self.scroll_keys) do
|
|
if keys[k] then
|
|
if v == '+page' then
|
|
v = self.frame_body.height
|
|
elseif v == '-page' then
|
|
v = -self.frame_body.height
|
|
end
|
|
self:scroll(v)
|
|
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)
|
|
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
|
|
|
|
----------------------
|
|
-- 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
|
|
|
|
-----------------------
|
|
-- 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
|
|
|
|
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
|
|
|
|
function List:moveCursor(delta, force_cb)
|
|
local page = math.max(1, self.page_size)
|
|
local cnt = #self.choices
|
|
|
|
if cnt < 1 then
|
|
self.page_top = 1
|
|
self.selected = 1
|
|
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
|
|
|
|
self.selected = 1 + off % cnt
|
|
self.page_top = 1 + page * math.floor((self.selected-1) / page)
|
|
|
|
if (force_cb or delta ~= 0) and self.on_select then
|
|
self.on_select(self:getSelected())
|
|
end
|
|
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-2-#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: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.on_submit and keys.SELECT then
|
|
self:submit()
|
|
return true
|
|
elseif self.on_submit2 and keys.SEC_SELECT then
|
|
self:submit2()
|
|
return true
|
|
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,
|
|
}
|
|
|
|
function FilteredList:init(info)
|
|
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 = self:callback('onFilterChar'),
|
|
key = self.edit_key,
|
|
}
|
|
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.text = ''
|
|
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 ''
|
|
self.edit.text = filter
|
|
|
|
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
|