326 lines
11 KiB
Lua
326 lines
11 KiB
Lua
local machi = {
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layout = require((...):match("(.-)[^%.]+$") .. "layout"),
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}
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local api = {
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client = client,
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beautiful = require("beautiful"),
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wibox = require("wibox"),
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awful = require("awful"),
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screen = require("awful.screen"),
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layout = require("awful.layout"),
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naughty = require("naughty"),
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gears = require("gears"),
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lgi = require("lgi"),
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dpi = require("beautiful.xresources").apply_dpi,
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}
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local function min(a, b)
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if a < b then return a else return b end
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end
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local function max(a, b)
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if a < b then return b else return a end
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end
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local function with_alpha(col, alpha)
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local r, g, b
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_, r, g, b, _ = col:get_rgba()
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return api.lgi.cairo.SolidPattern.create_rgba(r, g, b, alpha)
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end
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local function start(c)
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local tablist_font_desc = api.beautiful.get_merged_font(
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api.beautiful.mono_font or api.beautiful.font, api.dpi(10))
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local font_color = with_alpha(api.gears.color(api.beautiful.fg_normal), 1)
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local font_color_hl = with_alpha(api.gears.color(api.beautiful.fg_focus), 1)
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local label_size = api.dpi(30)
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local border_color = with_alpha(api.gears.color(api.beautiful.border_focus), 0.75)
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local fill_color = with_alpha(api.gears.color(api.beautiful.bg_normal), 0.5)
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local fill_color_hl = with_alpha(api.gears.color(api.beautiful.bg_focus), 1)
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-- for comparing floats
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local threshold = 0.1
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local traverse_radius = api.dpi(5)
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local screen = c.screen
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local start_x = screen.workarea.x
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local start_y = screen.workarea.y
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local layout = api.layout.get(screen)
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if c.floating or layout.machi_get_regions == nil then return end
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local regions, draft_mode = layout.machi_get_regions(c.screen.workarea, c.screen.selected_tag)
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local infobox = api.wibox({
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screen = screen,
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x = screen.workarea.x,
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y = screen.workarea.y,
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width = screen.workarea.width,
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height = screen.workarea.height,
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bg = "#ffffff00",
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opacity = 1,
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ontop = true
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})
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infobox.visible = true
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local tablist_region = nil
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local tablist = nil
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local tablist_index = nil
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local traverse_x = c.x + traverse_radius
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local traverse_y = c.y + traverse_radius
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local function ensure_tablist()
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if tablist == nil then
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tablist = {}
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for _, tc in ipairs(screen.tiled_clients) do
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if not (tc.floating or tc.maximized or tc.maximized_horizontal or tc.maximized_vertical)
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then
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if tc.x <= traverse_x and traverse_x < tc.x + tc.width and
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tc.y <= traverse_y and traverse_y < tc.y + tc.height
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then
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tablist[#tablist + 1] = tc
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end
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end
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end
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tablist_index = 1
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end
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end
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local function draw_info(context, cr, width, height)
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ensure_tablist()
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cr:set_source_rgba(0, 0, 0, 0)
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cr:rectangle(0, 0, width, height)
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cr:fill()
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local msg, ext
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for i, a in ipairs(regions) do
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if a.x <= traverse_x and traverse_x < a.x + a.width and
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a.y <= traverse_y and traverse_y < a.y + a.height then
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local pl = api.lgi.Pango.Layout.create(cr)
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pl:set_font_description(tablist_font_desc)
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local vpadding = api.dpi(10)
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local list_height = vpadding
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local exts = {}
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for index, tc in ipairs(tablist) do
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local label = tc.name
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pl:set_text(label)
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local w, h
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w, h = pl:get_size()
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w = w / api.lgi.Pango.SCALE
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h = h / api.lgi.Pango.SCALE
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local ext = { width = w, height = h, x_bearing = 0, y_bearing = 0 }
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exts[#exts + 1] = ext
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list_height = list_height + ext.height + vpadding
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end
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local x_offset = a.x + a.width / 2 - start_x
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local y_offset = a.y + a.height / 2 - list_height / 2 + vpadding - start_y
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-- cr:rectangle(a.x - start_x, y_offset - vpadding - start_y, a.width, list_height)
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-- cover the entire region
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cr:rectangle(a.x - start_x, a.y - start_y, a.width, a.height)
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cr:set_source(fill_color)
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cr:fill()
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for index, tc in ipairs(tablist) do
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local label = tc.name
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local ext = exts[index]
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if index == tablist_index then
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cr:rectangle(x_offset - ext.width / 2 - vpadding / 2, y_offset - vpadding / 2, ext.width + vpadding, ext.height + vpadding)
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cr:set_source(fill_color_hl)
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cr:fill()
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pl:set_text(label)
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cr:move_to(x_offset - ext.width / 2 - ext.x_bearing, y_offset - ext.y_bearing)
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cr:set_source(font_color_hl)
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cr:show_layout(pl)
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else
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pl:set_text(label)
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cr:move_to(x_offset - ext.width / 2 - ext.x_bearing, y_offset - ext.y_bearing)
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cr:set_source(font_color)
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cr:show_layout(pl)
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end
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y_offset = y_offset + ext.height + vpadding
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end
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end
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cr:rectangle(a.x - start_x, a.y - start_y, a.width, a.height)
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cr:clip()
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-- cr:set_source(fill_color)
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-- cr:rectangle(a.x, a.y, a.width, a.height)
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-- cr:fill()
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cr:set_source(border_color)
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cr:rectangle(a.x - start_x, a.y - start_y, a.width, a.height)
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cr:set_line_width(10.0)
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cr:stroke()
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cr:reset_clip()
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end
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-- show the traverse point
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cr:rectangle(traverse_x - start_x - traverse_radius, traverse_y - start_y - traverse_radius, traverse_radius * 2, traverse_radius * 2)
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cr:set_source_rgba(1, 1, 1, 1)
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cr:fill()
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end
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infobox.bgimage = draw_info
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local kg
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kg = api.awful.keygrabber.run(
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function (mod, key, event)
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if event == "release" then return end
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if key == "Tab" then
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ensure_tablist()
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if #tablist > 0 then
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tablist_index = tablist_index % #tablist + 1
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c = tablist[tablist_index]
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c:emit_signal("request::activate", "mouse.move", {raise=false})
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c:raise()
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infobox.bgimage = draw_info
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end
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elseif key == "Up" or key == "Down" or key == "Left" or key == "Right" then
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local shift = false
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local ctrl = false
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for i, m in ipairs(mod) do
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if m == "Shift" then shift = true
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elseif m == "Control" then ctrl = true
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end
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end
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if shift then
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traverse_x = c.x + traverse_radius
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traverse_y = c.y + traverse_radius
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elseif ctrl then
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traverse_x = c.x + c.width - c.border_width * 2 - traverse_radius
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traverse_y = c.y + c.height - c.border_width * 2 - traverse_radius
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end
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local choice = nil
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local choice_value
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local current_region = nil
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for i, a in ipairs(regions) do
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if a.x <= traverse_x and traverse_x < a.x + a.width and
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a.y <= traverse_y and traverse_y < a.y + a.height
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then
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current_region = i
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end
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local v
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if key == "Up" then
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if a.x < traverse_x + threshold
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and traverse_x < a.x + a.width + threshold then
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v = traverse_y - a.y - a.height
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else
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v = -1
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end
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elseif key == "Down" then
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if a.x < traverse_x + threshold
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and traverse_x < a.x + a.width + threshold then
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v = a.y - traverse_y
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else
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v = -1
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end
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elseif key == "Left" then
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if a.y < traverse_y + threshold
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and traverse_y < a.y + a.height + threshold then
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v = traverse_x - a.x - a.width
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else
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v = -1
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end
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elseif key == "Right" then
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if a.y < traverse_y + threshold
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and traverse_y < a.y + a.height + threshold then
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v = a.x - traverse_x
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else
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v = -1
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end
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end
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if (v > threshold) and (choice_value == nil or choice_value > v) then
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choice = i
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choice_value = v
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end
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end
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if choice == nil then
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choice = current_region
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if key == "Up" then
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traverse_y = screen.workarea.y
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elseif key == "Down" then
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traverse_y = screen.workarea.y + screen.workarea.height
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elseif key == "Left" then
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traverse_x = screen.workarea.x
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else
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traverse_x = screen.workarea.x + screen.workarea.width
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end
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end
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if choice ~= nil then
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traverse_x = max(regions[choice].x + traverse_radius, min(regions[choice].x + regions[choice].width - traverse_radius, traverse_x))
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traverse_y = max(regions[choice].y + traverse_radius, min(regions[choice].y + regions[choice].height - traverse_radius, traverse_y))
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tablist = nil
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if shift then
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-- move the window
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if draft_mode then
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c.x = regions[choice].x
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c.y = regions[choice].y
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else
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machi.layout.set_geometry(c, regions[choice], regions[choice], 0, c.border_width)
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c.machi_region = choice
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end
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c:emit_signal("request::activate", "mouse.move", {raise=false})
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c:raise()
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api.layout.arrange(screen)
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tablist = nil
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elseif ctrl and draft_mode then
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-- move the right-down region
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local lu = c.machi_lu
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local rd = choice
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if regions[rd].x + regions[rd].width <= regions[lu].x or
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regions[rd].y + regions[rd].height <= regions[lu].y
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then
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lu = rd
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end
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machi.layout.set_geometry(c, regions[lu], regions[rd], 0, c.border_width)
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c.machi_lu = lu
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c.machi_rd = rd
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c:emit_signal("request::activate", "mouse.move", {raise=false})
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c:raise()
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api.layout.arrange(screen)
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else
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-- move the focus
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ensure_tablist()
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if #tablist > 0 and tablist[1] ~= c then
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c = tablist[1]
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api.client.focus = c
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end
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end
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infobox.bgimage = draw_info
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end
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elseif key == "Escape" or key == "Return" then
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infobox.visible = false
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api.awful.keygrabber.stop(kg)
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else
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print("Unhandled key " .. key)
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end
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end
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)
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end
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return {
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start = start,
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}
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