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skin our scrollbars to look and hover like DF's

develop
Myk Taylor 2022-12-30 03:28:59 -08:00
parent 83a8e9a45a
commit 3aac79fe4f
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1 changed files with 78 additions and 20 deletions
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98
library/lua/gui/widgets.lua
Unescape Escape View File

@ -8,6 +8,7 @@ local utils = require('utils')
local dscreen = dfhack.screen
local getval = utils.getval
local to_pen = dfhack.pen.parse
local function show_view(view,vis)
if view then
@ -465,7 +466,7 @@ function Panel:onRenderFrame(dc, rect)
gui.paint_frame(dc, rect, self.frame_style, self.frame_title)
if self.kbd_get_pos then
local pos = self.kbd_get_pos()
local pen = dfhack.pen.parse{fg=COLOR_GREEN, bg=COLOR_BLACK}
local pen = to_pen{fg=COLOR_GREEN, bg=COLOR_BLACK}
dc:seek(pos.x, pos.y):pen(pen):char(string.char(0xDB))
end
if self.drag_offset and not self.kbd_get_pos
@ -759,14 +760,12 @@ 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
init_table.frame.w = init_table.frame.w or 2
end
function Scrollbar:init()
@ -824,36 +823,95 @@ 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)
local SCROLLBAR_UP_LEFT_PEN = to_pen{tile=922, ch=47, fg=COLOR_CYAN, bg=COLOR_BLACK}
local SCROLLBAR_UP_RIGHT_PEN = to_pen{tile=923, ch=92, fg=COLOR_CYAN, bg=COLOR_BLACK}
local SCROLLBAR_DOWN_LEFT_PEN = to_pen{tile=946, ch=92, fg=COLOR_CYAN, bg=COLOR_BLACK}
local SCROLLBAR_DOWN_RIGHT_PEN = to_pen{tile=947, ch=47, fg=COLOR_CYAN, bg=COLOR_BLACK}
local SCROLLBAR_BAR_UP_LEFT_PEN = to_pen{tile=930, ch=219, fg=COLOR_CYAN, bg=COLOR_BLACK}
local SCROLLBAR_BAR_UP_RIGHT_PEN = to_pen{tile=931, ch=219, fg=COLOR_CYAN, bg=COLOR_BLACK}
local SCROLLBAR_BAR_LEFT_PEN = to_pen{tile=954, ch=219, fg=COLOR_CYAN, bg=COLOR_BLACK}
local SCROLLBAR_BAR_RIGHT_PEN = to_pen{tile=955, ch=219, fg=COLOR_CYAN, bg=COLOR_BLACK}
local SCROLLBAR_BAR_CENTER_UP_LEFT_PEN = to_pen{tile=932, ch=219, fg=COLOR_CYAN, bg=COLOR_BLACK}
local SCROLLBAR_BAR_CENTER_UP_RIGHT_PEN = to_pen{tile=933, ch=219, fg=COLOR_CYAN, bg=COLOR_BLACK}
local SCROLLBAR_BAR_CENTER_DOWN_LEFT_PEN = to_pen{tile=960, ch=219, fg=COLOR_CYAN, bg=COLOR_BLACK}
local SCROLLBAR_BAR_CENTER_DOWN_RIGHT_PEN = to_pen{tile=961, ch=219, fg=COLOR_CYAN, bg=COLOR_BLACK}
local SCROLLBAR_BAR_CENTER_LEFT_PEN = to_pen{tile=940, ch=219, fg=COLOR_CYAN, bg=COLOR_BLACK}
local SCROLLBAR_BAR_CENTER_RIGHT_PEN = to_pen{tile=941, ch=219, fg=COLOR_CYAN, bg=COLOR_BLACK}
local SCROLLBAR_BAR_DOWN_LEFT_PEN = to_pen{tile=966, ch=219, fg=COLOR_CYAN, bg=COLOR_BLACK}
local SCROLLBAR_BAR_DOWN_RIGHT_PEN = to_pen{tile=967, ch=219, fg=COLOR_CYAN, bg=COLOR_BLACK}
local SCROLLBAR_UP_LEFT_HOVER_PEN = to_pen{tile=924, ch=47, fg=COLOR_LIGHTCYAN, bg=COLOR_BLACK}
local SCROLLBAR_UP_RIGHT_HOVER_PEN = to_pen{tile=925, ch=92, fg=COLOR_LIGHTCYAN, bg=COLOR_BLACK}
local SCROLLBAR_DOWN_LEFT_HOVER_PEN = to_pen{tile=936, ch=92, fg=COLOR_LIGHTCYAN, bg=COLOR_BLACK}
local SCROLLBAR_DOWN_RIGHT_HOVER_PEN = to_pen{tile=937, ch=47, fg=COLOR_LIGHTCYAN, bg=COLOR_BLACK}
local SCROLLBAR_BAR_UP_LEFT_HOVER_PEN = to_pen{tile=930, ch=219, fg=COLOR_LIGHTCYAN, bg=COLOR_BLACK}
local SCROLLBAR_BAR_UP_RIGHT_HOVER_PEN = to_pen{tile=931, ch=219, fg=COLOR_LIGHTCYAN, bg=COLOR_BLACK}
local SCROLLBAR_BAR_LEFT_HOVER_PEN = to_pen{tile=954, ch=219, fg=COLOR_LIGHTCYAN, bg=COLOR_BLACK}
local SCROLLBAR_BAR_RIGHT_HOVER_PEN = to_pen{tile=955, ch=219, fg=COLOR_LIGHTCYAN, bg=COLOR_BLACK}
local SCROLLBAR_BAR_CENTER_UP_LEFT_HOVER_PEN = to_pen{tile=956, ch=219, fg=COLOR_LIGHTCYAN, bg=COLOR_BLACK}
local SCROLLBAR_BAR_CENTER_UP_RIGHT_HOVER_PEN = to_pen{tile=957, ch=219, fg=COLOR_LIGHTCYAN, bg=COLOR_BLACK}
local SCROLLBAR_BAR_CENTER_DOWN_LEFT_HOVER_PEN = to_pen{tile=968, ch=219, fg=COLOR_LIGHTCYAN, bg=COLOR_BLACK}
local SCROLLBAR_BAR_CENTER_DOWN_RIGHT_HOVER_PEN = to_pen{tile=969, ch=219, fg=COLOR_LIGHTCYAN, bg=COLOR_BLACK}
local SCROLLBAR_BAR_CENTER_LEFT_HOVER_PEN = to_pen{tile=942, ch=219, fg=COLOR_LIGHTCYAN, bg=COLOR_BLACK}
local SCROLLBAR_BAR_CENTER_RIGHT_HOVER_PEN = to_pen{tile=943, ch=219, fg=COLOR_LIGHTCYAN, bg=COLOR_BLACK}
local SCROLLBAR_BAR_DOWN_LEFT_HOVER_PEN = to_pen{tile=966, ch=219, fg=COLOR_LIGHTCYAN, bg=COLOR_BLACK}
local SCROLLBAR_BAR_DOWN_RIGHT_HOVER_PEN = to_pen{tile=967, ch=219, fg=COLOR_LIGHTCYAN, bg=COLOR_BLACK}
local SCROLLBAR_BAR_BG_LEFT_PEN = to_pen{tile=934, ch=176, fg=COLOR_DARKGREY, bg=COLOR_BLACK}
local SCROLLBAR_BAR_BG_RIGHT_PEN = to_pen{tile=935, ch=176, fg=COLOR_DARKGREY, bg=COLOR_BLACK}
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)
-- determine which elements should be highlighted
local _,hover_y = self:getMousePos()
local hover_up, hover_down, hover_bar = false, false, false
if hover_y == 0 then
hover_up = true
elseif hover_y == dc.height-1 then
hover_down = true
elseif hover_y then
hover_bar = true
end
-- render up arrow
dc:seek(0, 0)
dc:char(nil, hover_up and SCROLLBAR_UP_LEFT_HOVER_PEN or SCROLLBAR_UP_LEFT_PEN)
dc:char(nil, hover_up and SCROLLBAR_UP_RIGHT_HOVER_PEN or SCROLLBAR_UP_RIGHT_PEN)
-- render scrollbar body
local starty = self.bar_offset + 1
local endy = self.bar_offset + self.bar_height
local midy = (starty + endy)/2
for y=1,dc.height-2 do
dc:seek(0, y)
if y >= starty and y <= endy then
dc:char(BAR_CHAR, self.fg)
if y == starty then
dc:char(nil, hover_bar and SCROLLBAR_BAR_UP_LEFT_HOVER_PEN or SCROLLBAR_BAR_UP_LEFT_PEN)
dc:char(nil, hover_bar and SCROLLBAR_BAR_UP_RIGHT_HOVER_PEN or SCROLLBAR_BAR_UP_RIGHT_PEN)
elseif y == midy - 0.5 then
dc:char(nil, hover_bar and SCROLLBAR_BAR_CENTER_UP_LEFT_HOVER_PEN or SCROLLBAR_BAR_CENTER_UP_LEFT_PEN)
dc:char(nil, hover_bar and SCROLLBAR_BAR_CENTER_UP_RIGHT_HOVER_PEN or SCROLLBAR_BAR_CENTER_UP_RIGHT_PEN)
elseif y == midy + 0.5 then
dc:char(nil, hover_bar and SCROLLBAR_BAR_CENTER_DOWN_LEFT_HOVER_PEN or SCROLLBAR_BAR_CENTER_DOWN_LEFT_PEN)
dc:char(nil, hover_bar and SCROLLBAR_BAR_CENTER_DOWN_RIGHT_HOVER_PEN or SCROLLBAR_BAR_CENTER_DOWN_RIGHT_PEN)
elseif y == midy then
dc:char(nil, hover_bar and SCROLLBAR_BAR_CENTER_LEFT_HOVER_PEN or SCROLLBAR_BAR_CENTER_LEFT_PEN)
dc:char(nil, hover_bar and SCROLLBAR_BAR_CENTER_RIGHT_HOVER_PEN or SCROLLBAR_BAR_CENTER_RIGHT_PEN)
elseif y == endy then
dc:char(nil, hover_bar and SCROLLBAR_BAR_DOWN_LEFT_HOVER_PEN or SCROLLBAR_BAR_DOWN_LEFT_PEN)
dc:char(nil, hover_bar and SCROLLBAR_BAR_DOWN_RIGHT_HOVER_PEN or SCROLLBAR_BAR_DOWN_RIGHT_PEN)
else
dc:char(BAR_BG_CHAR, self.bg)
dc:char(nil, hover_bar and SCROLLBAR_BAR_LEFT_HOVER_PEN or SCROLLBAR_BAR_LEFT_PEN)
dc:char(nil, hover_bar and SCROLLBAR_BAR_RIGHT_HOVER_PEN or SCROLLBAR_BAR_RIGHT_PEN)
end
else
dc:char(nil, SCROLLBAR_BAR_BG_LEFT_PEN)
dc:char(nil, SCROLLBAR_BAR_BG_RIGHT_PEN)
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)
-- render down arrow
dc:seek(0, dc.height-1)
dc:char(nil, hover_down and SCROLLBAR_DOWN_LEFT_HOVER_PEN or SCROLLBAR_DOWN_LEFT_PEN)
dc:char(nil, hover_down and SCROLLBAR_DOWN_RIGHT_HOVER_PEN or SCROLLBAR_DOWN_RIGHT_PEN)
if not self.on_scroll then return end
-- manage state for dragging and continuous scrolling
if self.is_dragging then
@ -994,7 +1052,7 @@ function render_text(obj,dc,x0,y0,pen,dpen,disabled)
if token.text or token.key then
local text = ''..(getval(token.text) or '')
local keypen = dfhack.pen.parse(token.key_pen or COLOR_LIGHTGREEN)
local keypen = to_pen(token.key_pen or COLOR_LIGHTGREEN)
if dc then
local tpen = getval(token.pen)