bling/widget/app_launcher/init.lua

1058 lines
40 KiB
Lua

local Gio = require("lgi").Gio
local awful = require("awful")
local gobject = require("gears.object")
local gtable = require("gears.table")
local gtimer = require("gears.timer")
local gfilesystem = require("gears.filesystem")
local wibox = require("wibox")
local beautiful = require("beautiful")
local color = require(tostring(...):match(".*bling") .. ".helpers.color")
local prompt = require(... .. ".prompt")
local dpi = beautiful.xresources.apply_dpi
local string = string
local table = table
local math = math
local ipairs = ipairs
local pairs = pairs
local root = root
local capi = { screen = screen, mouse = mouse }
local path = ...
local app_launcher = { mt = {} }
local terminal_commands_lookup =
{
alacritty = "alacritty -e",
termite = "termite -e",
rxvt = "rxvt -e",
terminator = "terminator -e"
}
local function string_levenshtein(str1, str2)
local len1 = string.len(str1)
local len2 = string.len(str2)
local matrix = {}
local cost = 0
-- quick cut-offs to save time
if (len1 == 0) then
return len2
elseif (len2 == 0) then
return len1
elseif (str1 == str2) then
return 0
end
-- initialise the base matrix values
for i = 0, len1, 1 do
matrix[i] = {}
matrix[i][0] = i
end
for j = 0, len2, 1 do
matrix[0][j] = j
end
-- actual Levenshtein algorithm
for i = 1, len1, 1 do
for j = 1, len2, 1 do
if (str1:byte(i) == str2:byte(j)) then
cost = 0
else
cost = 1
end
matrix[i][j] = math.min(matrix[i-1][j] + 1, matrix[i][j-1] + 1, matrix[i-1][j-1] + cost)
end
end
-- return the last value - this is the Levenshtein distance
return matrix[len1][len2]
end
local function case_insensitive_pattern(pattern)
-- find an optional '%' (group 1) followed by any character (group 2)
local p = pattern:gsub("(%%?)(.)", function(percent, letter)
if percent ~= "" or not letter:match("%a") then
-- if the '%' matched, or `letter` is not a letter, return "as is"
return percent .. letter
else
-- else, return a case-insensitive character class of the matched letter
return string.format("[%s%s]", letter:lower(), letter:upper())
end
end)
return p
end
local function has_value(tab, val)
for index, value in pairs(tab) do
if val:find(case_insensitive_pattern(value)) then
return true
end
end
return false
end
local function select_app(self, x, y)
local widgets = self._private.grid:get_widgets_at(x, y)
if widgets then
self._private.active_widget = widgets[1]
if self._private.active_widget ~= nil then
self._private.active_widget.selected = true
self._private.active_widget:get_children_by_id("background")[1].bg = self.app_selected_color
local name_widget = self._private.active_widget:get_children_by_id("name")[1]
if name_widget then
name_widget.markup = string.format("<span foreground='%s'>%s</span>", self.app_name_selected_color, name_widget.text)
end
local generic_name_widget = self._private.active_widget:get_children_by_id("generic_name")[1]
if generic_name_widget then
generic_name_widget.markup = string.format("<i><span weight='300'foreground='%s'>%s</span></i>", self.app_name_selected_color, generic_name_widget.text)
end
end
end
end
local function unselect_app(self)
if self._private.active_widget ~= nil then
self._private.active_widget.selected = false
self._private.active_widget:get_children_by_id("background")[1].bg = self.app_normal_color
local name_widget = self._private.active_widget:get_children_by_id("name")[1]
if name_widget then
name_widget.markup = string.format("<span foreground='%s'>%s</span>", self.app_name_normal_color, name_widget.text)
end
local generic_name_widget = self._private.active_widget:get_children_by_id("generic_name")[1]
if generic_name_widget then
generic_name_widget.markup = string.format("<i><span weight='300'foreground='%s'>%s</span></i>", self.app_name_normal_color, generic_name_widget.text)
end
self._private.active_widget = nil
end
end
local function create_app_widget(self, entry)
local icon = self.app_show_icon == true and
{
widget = wibox.widget.imagebox,
halign = self.app_icon_halign,
forced_width = self.app_icon_width,
forced_height = self.app_icon_height,
image = entry.icon
} or nil
local name = self.app_show_name == true and
{
widget = wibox.widget.textbox,
id = "name",
font = self.app_name_font,
markup = string.format("<span foreground='%s'>%s</span>", self.app_name_normal_color, entry.name)
} or nil
local generic_name = entry.generic_name ~= nil and self.app_show_generic_name == true and
{
widget = wibox.widget.textbox,
id = "generic_name",
font = self.app_name_font,
markup = entry.generic_name ~= "" and "<span weight='300'> <i>(" .. entry.generic_name .. ")</i></span>" or ""
} or nil
local app = wibox.widget
{
widget = wibox.container.background,
id = "background",
forced_width = self.app_width,
forced_height = self.app_height,
shape = self.app_shape,
bg = self.app_normal_color,
{
widget = wibox.container.margin,
margins = self.app_content_padding,
{
-- Using this hack instead of container.place because that will fuck with the name/icon halign
layout = wibox.layout.align.vertical,
expand = "outside",
nil,
{
layout = wibox.layout.fixed.vertical,
spacing = self.app_content_spacing,
icon,
{
widget = wibox.container.place,
halign = self.app_name_halign,
{
layout = wibox.layout.fixed.horizontal,
spacing = self.app_name_generic_name_spacing,
name,
generic_name
}
}
},
nil
}
}
}
function app.spawn()
if entry.terminal == true then
if self.terminal ~= nil then
local terminal_command = terminal_commands_lookup[self.terminal] or self.terminal
awful.spawn(terminal_command .. " " .. entry.executable)
else
awful.spawn.easy_async("gtk-launch " .. entry.executable, function(stdout, stderr)
if stderr then
awful.spawn(entry.executable)
end
end)
end
else
awful.spawn(entry.executable)
end
if self.hide_on_launch then
self:hide()
end
end
app:connect_signal("mouse::enter", function(_self)
local widget = capi.mouse.current_wibox
if widget then
widget.cursor = "hand2"
end
local app = _self
if app.selected then
app:get_children_by_id("background")[1].bg = self.app_selected_hover_color
else
local is_opaque = color.is_opaque(self.app_normal_color)
local is_dark = color.is_dark(self.app_normal_color)
local app_normal_color = color.hex_to_rgba(self.app_normal_color)
local hover_color = (is_dark or is_opaque) and
color.rgba_to_hex(color.multiply(app_normal_color, 2.5)) or
color.rgba_to_hex(color.multiply(app_normal_color, 0.5))
app:get_children_by_id("background")[1].bg = self.app_normal_hover_color
end
end)
app:connect_signal("mouse::leave", function(_self)
local widget = capi.mouse.current_wibox
if widget then
widget.cursor = "left_ptr"
end
local app = _self
if app.selected then
app:get_children_by_id("background")[1].bg = self.app_selected_color
else
app:get_children_by_id("background")[1].bg = self.app_normal_color
end
end)
app:connect_signal("button::press", function(_self, lx, ly, button, mods, find_widgets_result)
if button == 1 then
local app = _self
if self._private.active_widget == app or not self.select_before_spawn then
app.spawn()
else
-- Unmark the previous app
unselect_app(self)
-- Mark this app
local pos = self._private.grid:get_widget_position(app)
select_app(self, pos.row, pos.col)
end
end
end)
return app
end
local function search(self, text)
unselect_app(self)
local pos = self._private.grid:get_widget_position(self._private.active_widget)
-- Reset all the matched entries
self._private.matched_entries = {}
-- Remove all the grid widgets
self._private.grid:reset()
if text == "" then
self._private.matched_entries = self._private.all_entries
else
for index, entry in pairs(self._private.all_entries) do
text = text:gsub( "%W", "" )
-- Check if there's a match by the app name or app command
if string.find(entry.name:lower(), text:lower(), 1, true) ~= nil or
self.search_commands and string.find(entry.commandline, text:lower(), 1, true) ~= nil
then
table.insert(self._private.matched_entries, {
name = entry.name,
generic_name = entry.generic_name,
commandline = entry.commandline,
executable = entry.executable,
terminal = entry.terminal,
icon = entry.icon
})
end
end
-- Sort by string similarity
table.sort(self._private.matched_entries, function(a, b)
return string_levenshtein(text, a.name) < string_levenshtein(text, b.name)
end)
end
for index, entry in pairs(self._private.matched_entries) do
-- Only add the widgets for apps that are part of the first page
if #self._private.grid.children + 1 <= self._private.max_apps_per_page then
self._private.grid:add(create_app_widget(self, entry))
end
end
-- Recalculate the apps per page based on the current matched entries
self._private.apps_per_page = math.min(#self._private.matched_entries, self._private.max_apps_per_page)
-- Recalculate the pages count based on the current apps per page
self._private.pages_count = math.ceil(math.max(1, #self._private.matched_entries) / math.max(1, self._private.apps_per_page))
-- Page should be 1 after a search
self._private.current_page = 1
-- This is an option to mimic rofi behaviour where after a search
-- it will reselect the app whose index is the same as the app index that was previously selected
-- and if matched_entries.length < current_index it will instead select the app with the greatest index
if self.try_to_keep_index_after_searching then
if self._private.grid:get_widgets_at(pos.row, pos.col) == nil then
local app = self._private.grid.children[#self._private.grid.children]
pos = self._private.grid:get_widget_position(app)
end
select_app(self, pos.row, pos.col)
-- Otherwise select the first app on the list
else
select_app(self, 1, 1)
end
end
local function page_backward(self, direction)
if self._private.current_page > 1 then
self._private.current_page = self._private.current_page - 1
elseif self.wrap_page_scrolling and #self._private.matched_entries >= self._private.max_apps_per_page then
self._private.current_page = self._private.pages_count
elseif self.wrap_app_scrolling then
local rows, columns = self._private.grid:get_dimension()
unselect_app(self)
select_app(self, math.min(rows, #self._private.grid.children % self.apps_per_row), columns)
return
else
return
end
local pos = self._private.grid:get_widget_position(self._private.active_widget)
-- Remove the current page apps from the grid
self._private.grid:reset()
local max_app_index_to_include = self._private.apps_per_page * self._private.current_page
local min_app_index_to_include = max_app_index_to_include - self._private.apps_per_page
for index, entry in pairs(self._private.matched_entries) do
-- Only add widgets that are between this range (part of the current page)
if index > min_app_index_to_include and index <= max_app_index_to_include then
self._private.grid:add(create_app_widget(self, entry))
end
end
local rows, columns = self._private.grid:get_dimension()
if self._private.current_page < self._private.pages_count then
if direction == "up" then
select_app(self, rows, columns)
else
-- Keep the same row from last page
select_app(self, pos.row, columns)
end
elseif self.wrap_page_scrolling then
if direction == "up" then
select_app(self, math.min(rows, #self._private.grid.children % self.apps_per_row), columns)
else
-- Keep the same row from last page
select_app(self, math.min(pos.row, #self._private.grid.children % self.apps_per_row), columns)
end
end
end
local function page_forward(self, direction)
local min_app_index_to_include = 0
local max_app_index_to_include = self._private.apps_per_page
if self._private.current_page < self._private.pages_count then
min_app_index_to_include = self._private.apps_per_page * self._private.current_page
self._private.current_page = self._private.current_page + 1
max_app_index_to_include = self._private.apps_per_page * self._private.current_page
elseif self.wrap_page_scrolling and #self._private.matched_entries >= self._private.max_apps_per_page then
self._private.current_page = 1
min_app_index_to_include = 0
max_app_index_to_include = self._private.apps_per_page
elseif self.wrap_app_scrolling then
unselect_app(self)
select_app(self, 1, 1)
return
else
return
end
local pos = self._private.grid:get_widget_position(self._private.active_widget)
-- Remove the current page apps from the grid
self._private.grid:reset()
for index, entry in pairs(self._private.matched_entries) do
-- Only add widgets that are between this range (part of the current page)
if index > min_app_index_to_include and index <= max_app_index_to_include then
self._private.grid:add(create_app_widget(self, entry))
end
end
if self._private.current_page > 1 or self.wrap_page_scrolling then
if direction == "down" then
select_app(self, 1, 1)
else
local last_col_max_row = math.min(pos.row, #self._private.grid.children % self.apps_per_row)
if last_col_max_row ~= 0 then
select_app(self, last_col_max_row, 1)
else
select_app(self, pos.row, 1)
end
end
end
end
local function scroll_up(self)
if #self._private.grid.children < 1 then
self._private.active_widget = nil
return
end
local rows, columns = self._private.grid:get_dimension()
local pos = self._private.grid:get_widget_position(self._private.active_widget)
local is_bigger_than_first_app = pos.col > 1 or pos.row > 1
-- Check if the current marked app is not the first
if is_bigger_than_first_app then
unselect_app(self)
if pos.row == 1 then
select_app(self, rows, pos.col - 1)
else
select_app(self, pos.row - 1, pos.col)
end
else
page_backward(self, "up")
end
end
local function scroll_down(self)
if #self._private.grid.children < 1 then
self._private.active_widget = nil
return
end
local rows, columns = self._private.grid:get_dimension()
local pos = self._private.grid:get_widget_position(self._private.active_widget)
local is_less_than_max_app = self._private.grid:index(self._private.active_widget) < #self._private.grid.children
-- Check if we can scroll down the app list
if is_less_than_max_app then
-- Unmark the previous app
unselect_app(self)
if pos.row == rows then
select_app(self, 1, pos.col + 1)
else
select_app(self, pos.row + 1, pos.col)
end
else
page_forward(self, "down")
end
end
local function scroll_left(self)
if #self._private.grid.children < 1 then
self._private.active_widget = nil
return
end
local pos = self._private.grid:get_widget_position(self._private.active_widget)
local is_bigger_than_first_column = pos.col > 1
-- Check if the current marked app is not the first
if is_bigger_than_first_column then
unselect_app(self)
select_app(self, pos.row, pos.col - 1)
else
page_backward(self, "left")
end
end
local function scroll_right(self)
if #self._private.grid.children < 1 then
self._private.active_widget = nil
return
end
local rows, columns = self._private.grid:get_dimension()
local pos = self._private.grid:get_widget_position(self._private.active_widget)
local is_less_than_max_column = pos.col < columns
-- Check if we can scroll down the app list
if is_less_than_max_column then
-- Unmark the previous app
unselect_app(self)
-- Scroll up to the max app if there are directly to the right of previous app
if self._private.grid:get_widgets_at(pos.row, pos.col + 1) == nil then
local app = self._private.grid.children[#self._private.grid.children]
pos = self._private.grid:get_widget_position(app)
select_app(self, pos.row, pos.col)
else
select_app(self, pos.row, pos.col + 1)
end
else
page_forward(self, "right")
end
end
local function reset(self)
self._private.grid:reset()
self._private.matched_entries = self._private.all_entries
self._private.apps_per_page = self._private.max_apps_per_page
self._private.pages_count = math.ceil(#self._private.all_entries / self._private.apps_per_page)
self._private.current_page = 1
for index, entry in pairs(self._private.all_entries) do
-- Only add the apps that are part of the first page
if index <= self._private.apps_per_page then
self._private.grid:add(create_app_widget(self, entry))
else
break
end
end
select_app(self, 1, 1)
end
local function generate_apps(self)
self._private.all_entries = {}
self._private.matched_entries = {}
local app_info = Gio.AppInfo
local apps = app_info.get_all()
if self.sort_alphabetically then
table.sort(apps, function(a, b)
local app_a_score = app_info.get_name(a):lower()
if has_value(self.favorites, app_info.get_name(a)) then
app_a_score = "aaaaaaaaaaa" .. app_a_score
end
local app_b_score = app_info.get_name(b):lower()
if has_value(self.favorites, app_info.get_name(b)) then
app_b_score = "aaaaaaaaaaa" .. app_b_score
end
return app_a_score < app_b_score
end)
elseif self.reverse_sort_alphabetically then
table.sort(apps, function(a, b)
local app_a_score = app_info.get_name(a):lower()
if has_value(self.favorites, app_info.get_name(a)) then
app_a_score = "zzzzzzzzzzz" .. app_a_score
end
local app_b_score = app_info.get_name(b):lower()
if has_value(self.favorites, app_info.get_name(b)) then
app_b_score = "zzzzzzzzzzz" .. app_b_score
end
return app_a_score > app_b_score
end)
else
table.sort(apps, function(a, b)
local app_a_favorite = has_value(self.favorites, app_info.get_name(a))
local app_b_favorite = has_value(self.favorites, app_info.get_name(b))
if app_a_favorite and not app_b_favorite then
return true
elseif app_b_favorite and not app_a_favorite then
return false
elseif app_a_favorite and app_b_favorite then
return app_info.get_name(a):lower() < app_info.get_name(b):lower()
else
return false
end
end)
end
local icon_theme = require(tostring(path):match(".*bling") .. ".helpers.icon_theme")(self.icon_theme, self.icon_size)
for _, app in ipairs(apps) do
if app.should_show(app) then
local name = app_info.get_name(app)
local commandline = app_info.get_commandline(app)
local executable = app_info.get_executable(app)
local icon = icon_theme:get_gicon_path(app_info.get_icon(app))
-- Check if this app should be skipped, depanding on the skip_names / skip_commands table
if not has_value(self.skip_names, name) and not has_value(self.skip_commands, commandline) then
-- Check if this app should be skipped becuase it's iconless depanding on skip_empty_icons
if icon ~= "" or self.skip_empty_icons == false then
if icon == "" then
if self.default_app_icon_name ~= nil then
icon = icon_theme:get_icon_path(self.default_app_icon_name)
elseif self.default_app_icon_path ~= nil then
icon = self.default_app_icon_path
else
icon = icon_theme:choose_icon({"application-all", "application", "application-default-icon", "app"})
end
end
local desktop_app_info = Gio.DesktopAppInfo.new(app_info.get_id(app))
local terminal = Gio.DesktopAppInfo.get_string(desktop_app_info, "Terminal") == "true" and true or false
local generic_name = Gio.DesktopAppInfo.get_string(desktop_app_info, "GenericName") or nil
table.insert(self._private.all_entries, {
name = name,
generic_name = generic_name,
commandline = commandline,
executable = executable,
terminal = terminal,
icon = icon
})
end
end
end
end
end
--- Shows the app launcher
function app_launcher:show()
local screen = self.screen
if self.show_on_focused_screen then
screen = awful.screen.focused()
end
screen.app_launcher = self._private.widget
screen.app_launcher.screen = screen
self._private.prompt:start()
local animation = self.rubato
if animation ~= nil then
if self._private.widget.goal_x == nil then
self._private.widget.goal_x = self._private.widget.x
end
if self._private.widget.goal_y == nil then
self._private.widget.goal_y = self._private.widget.y
self._private.widget.placement = nil
end
if animation.x then
animation.x.ended:unsubscribe()
animation.x:set(self._private.widget.goal_x)
gtimer {
timeout = 0.01,
call_now = false,
autostart = true,
single_shot = true,
callback = function()
screen.app_launcher.visible = true
end
}
end
if animation.y then
animation.y.ended:unsubscribe()
animation.y:set(self._private.widget.goal_y)
gtimer {
timeout = 0.01,
call_now = false,
autostart = true,
single_shot = true,
callback = function()
screen.app_launcher.visible = true
end
}
end
else
screen.app_launcher.visible = true
end
self:emit_signal("bling::app_launcher::visibility", true)
end
--- Hides the app launcher
function app_launcher:hide()
local screen = self.screen
if self.show_on_focused_screen then
screen = awful.screen.focused()
end
if screen.app_launcher == nil or screen.app_launcher.visible == false then
return
end
self._private.prompt:stop()
local animation = self.rubato
if animation ~= nil then
if animation.x then
animation.x:set(animation.x:initial())
end
if animation.y then
animation.y:set(animation.y:initial())
end
local anim_x_duration = (animation.x and animation.x.duration) or 0
local anim_y_duration = (animation.y and animation.y.duration) or 0
local turn_off_on_anim_x_end = (anim_x_duration >= anim_y_duration) and true or false
if turn_off_on_anim_x_end then
animation.x.ended:subscribe(function()
if self.reset_on_hide == true then reset(self) end
screen.app_launcher.visible = false
screen.app_launcher = nil
animation.x.ended:unsubscribe()
end)
else
animation.y.ended:subscribe(function()
if self.reset_on_hide == true then reset(self) end
screen.app_launcher.visible = false
screen.app_launcher = nil
animation.y.ended:unsubscribe()
end)
end
else
if self.reset_on_hide == true then reset(self) end
screen.app_launcher.visible = false
screen.app_launcher = nil
end
self:emit_signal("bling::app_launcher::visibility", false)
end
--- Toggles the app launcher
function app_launcher:toggle()
local screen = self.screen
if self.show_on_focused_screen then
screen = awful.screen.focused()
end
if screen.app_launcher and screen.app_launcher.visible then
self:hide()
else
self:show()
end
end
-- Returns a new app launcher
local function new(args)
args = args or {}
args.terminal = args.terminal or nil
args.favorites = args.favorites or {}
args.search_commands = args.search_commands == nil and true or args.search_commands
args.skip_names = args.skip_names or {}
args.skip_commands = args.skip_commands or {}
args.skip_empty_icons = args.skip_empty_icons ~= nil and args.skip_empty_icons or false
args.sort_alphabetically = args.sort_alphabetically == nil and true or args.sort_alphabetically
args.reverse_sort_alphabetically = args.reverse_sort_alphabetically ~= nil and args.reverse_sort_alphabetically or false
args.select_before_spawn = args.select_before_spawn == nil and true or args.select_before_spawn
args.hide_on_left_clicked_outside = args.hide_on_left_clicked_outside == nil and true or args.hide_on_left_clicked_outside
args.hide_on_right_clicked_outside = args.hide_on_right_clicked_outside == nil and true or args.hide_on_right_clicked_outside
args.hide_on_launch = args.hide_on_launch == nil and true or args.hide_on_launch
args.try_to_keep_index_after_searching = args.try_to_keep_index_after_searching ~= nil and args.try_to_keep_index_after_searching or false
args.reset_on_hide = args.reset_on_hide == nil and true or args.reset_on_hide
args.save_history = args.save_history == nil and true or args.save_history
args.wrap_page_scrolling = args.wrap_page_scrolling == nil and true or args.wrap_page_scrolling
args.wrap_app_scrolling = args.wrap_app_scrolling == nil and true or args.wrap_app_scrolling
args.default_app_icon_name = args.default_app_icon_name or nil
args.default_app_icon_path = args.default_app_icon_path or nil
args.icon_theme = args.icon_theme or nil
args.icon_size = args.icon_size or nil
args.type = args.type or "dock"
args.show_on_focused_screen = args.show_on_focused_screen == nil and true or args.show_on_focused_screen
args.screen = args.screen or capi.screen.primary
args.placement = args.placement or awful.placement.centered
args.rubato = args.rubato or nil
args.shrink_width = args.shrink_width ~= nil and args.shrink_width or false
args.shrink_height = args.shrink_height ~= nil and args.shrink_height or false
args.background = args.background or "#000000"
args.border_width = args.border_width or beautiful.border_width or dpi(0)
args.border_color = args.border_color or beautiful.border_color or "#FFFFFF"
args.shape = args.shape or nil
args.prompt_height = args.prompt_height or dpi(100)
args.prompt_margins = args.prompt_margins or dpi(0)
args.prompt_paddings = args.prompt_paddings or dpi(30)
args.prompt_shape = args.prompt_shape or nil
args.prompt_color = args.prompt_color or beautiful.fg_normal or "#FFFFFF"
args.prompt_border_width = args.prompt_border_width or beautiful.border_width or dpi(0)
args.prompt_border_color = args.prompt_border_color or beautiful.border_color or args.prompt_color
args.prompt_text_halign = args.prompt_text_halign or "left"
args.prompt_text_valign = args.prompt_text_valign or "center"
args.prompt_icon_text_spacing = args.prompt_icon_text_spacing or dpi(10)
args.prompt_show_icon = args.prompt_show_icon == nil and true or args.prompt_show_icon
args.prompt_icon_font = args.prompt_icon_font or beautiful.font
args.prompt_icon_color = args.prompt_icon_color or beautiful.bg_normal or "#000000"
args.prompt_icon = args.prompt_icon or ""
args.prompt_icon_markup = args.prompt_icon_markup or string.format("<span size='xx-large' foreground='%s'>%s</span>", args.prompt_icon_color, args.prompt_icon)
args.prompt_text = args.prompt_text or "<b>Search</b>: "
args.prompt_start_text = args.prompt_start_text or ""
args.prompt_font = args.prompt_font or beautiful.font
args.prompt_text_color = args.prompt_text_color or beautiful.bg_normal or "#000000"
args.prompt_cursor_color = args.prompt_cursor_color or beautiful.bg_normal or "#000000"
args.apps_per_row = args.apps_per_row or 5
args.apps_per_column = args.apps_per_column or 3
args.apps_margin = args.apps_margin or dpi(30)
args.apps_spacing = args.apps_spacing or dpi(30)
args.expand_apps = args.expand_apps == nil and true or args.expand_apps
args.app_width = args.app_width or dpi(300)
args.app_height = args.app_height or dpi(120)
args.app_shape = args.app_shape or nil
args.app_normal_color = args.app_normal_color or beautiful.bg_normal or "#000000"
args.app_normal_hover_color = args.app_normal_hover_color or (color.is_dark(args.app_normal_color) or color.is_opaque(args.app_normal_color)) and
color.rgba_to_hex(color.multiply(color.hex_to_rgba(args.app_normal_color), 2.5)) or
color.rgba_to_hex(color.multiply(color.hex_to_rgba(args.app_normal_color), 0.5))
args.app_selected_color = args.app_selected_color or beautiful.fg_normal or "#FFFFFF"
args.app_selected_hover_color = args.app_selected_hover_color or (color.is_dark(args.app_normal_color) or color.is_opaque(args.app_normal_color)) and
color.rgba_to_hex(color.multiply(color.hex_to_rgba(args.app_selected_color), 2.5)) or
color.rgba_to_hex(color.multiply(color.hex_to_rgba(args.app_selected_color), 0.5))
args.app_content_padding = args.app_content_padding or dpi(10)
args.app_content_spacing = args.app_content_spacing or dpi(10)
args.app_show_icon = args.app_show_icon == nil and true or args.app_show_icon
args.app_icon_halign = args.app_icon_halign or "center"
args.app_icon_width = args.app_icon_width or dpi(70)
args.app_icon_height = args.app_icon_height or dpi(70)
args.app_show_name = args.app_show_name == nil and true or args.app_show_name
args.app_name_generic_name_spacing = args.app_name_generic_name_spacing or dpi(0)
args.app_name_halign = args.app_name_halign or "center"
args.app_name_font = args.app_name_font or beautiful.font
args.app_name_normal_color = args.app_name_normal_color or beautiful.fg_normal or "#FFFFFF"
args.app_name_selected_color = args.app_name_selected_color or beautiful.bg_normal or "#000000"
args.app_show_generic_name = args.app_show_generic_name ~= nil and args.app_show_generic_name or false
local ret = gobject({})
ret._private = {}
ret._private.text = ""
gtable.crush(ret, app_launcher)
gtable.crush(ret, args)
-- Calculate the grid width and height
local grid_width = ret.shrink_width == false
and dpi((ret.app_width * ret.apps_per_column) + ((ret.apps_per_column - 1) * ret.apps_spacing))
or nil
local grid_height = ret.shrink_height == false
and dpi((ret.app_height * ret.apps_per_row) + ((ret.apps_per_row - 1) * ret.apps_spacing))
or nil
-- These widgets need to be later accessed
ret._private.prompt = prompt
{
prompt = ret.prompt_text,
text = ret.prompt_start_text,
font = ret.prompt_font,
reset_on_stop = ret.reset_on_hide,
bg_cursor = ret.prompt_cursor_color,
history_path = ret.save_history == true and gfilesystem.get_cache_dir() .. "/history" or nil,
changed_callback = function(text)
if text == ret._private.text then
return
end
if ret._private.search_timer ~= nil and ret._private.search_timer.started then
ret._private.search_timer:stop()
end
ret._private.search_timer = gtimer {
timeout = 0.05,
autostart = true,
single_shot = true,
callback = function()
search(ret, text)
end
}
ret._private.text = text
end,
keypressed_callback = function(mod, key, cmd)
if key == "Escape" then
ret:hide()
end
if key == "Return" then
if ret._private.active_widget ~= nil then
ret._private.active_widget.spawn()
end
end
if key == "Up" then
scroll_up(ret)
end
if key == "Down" then
scroll_down(ret)
end
if key == "Left" then
scroll_left(ret)
end
if key == "Right" then
scroll_right(ret)
end
end
}
ret._private.grid = wibox.widget
{
layout = wibox.layout.grid,
forced_width = grid_width,
forced_height = grid_height,
orientation = "horizontal",
homogeneous = true,
expand = ret.expand_apps,
spacing = ret.apps_spacing,
forced_num_rows = ret.apps_per_row,
buttons =
{
awful.button({}, 4, function() scroll_up(ret) end),
awful.button({}, 5, function() scroll_down(ret) end)
}
}
ret._private.widget = awful.popup
{
type = args.type,
visible = false,
ontop = true,
placement = ret.placement,
border_width = ret.border_width,
border_color = ret.border_color,
shape = ret.shape,
bg = ret.background,
widget =
{
layout = wibox.layout.fixed.vertical,
{
widget = wibox.container.margin,
margins = ret.prompt_margins,
{
widget = wibox.container.background,
forced_height = ret.prompt_height,
shape = ret.prompt_shape,
bg = ret.prompt_color,
fg = ret.prompt_text_color,
border_width = ret.prompt_border_width,
border_color = ret.prompt_border_color,
{
widget = wibox.container.margin,
margins = ret.prompt_paddings,
{
widget = wibox.container.place,
halign = ret.prompt_text_halign,
valign = ret.prompt_text_valign,
{
layout = wibox.layout.fixed.horizontal,
spacing = ret.prompt_icon_text_spacing,
{
widget = wibox.widget.textbox,
font = ret.prompt_icon_font,
markup = ret.prompt_icon_markup
},
ret._private.prompt.textbox
}
}
}
}
},
{
widget = wibox.container.margin,
margins = ret.apps_margin,
ret._private.grid
}
}
}
-- Private variables to be used to be used by the scrolling and searching functions
ret._private.max_apps_per_page = ret.apps_per_column * ret.apps_per_row
ret._private.apps_per_page = ret._private.max_apps_per_page
ret._private.pages_count = 0
ret._private.current_page = 1
generate_apps(ret)
reset(ret)
if ret.rubato and ret.rubato.x then
ret.rubato.x:subscribe(function(pos)
ret._private.widget.x = pos
end)
end
if ret.rubato and ret.rubato.y then
ret.rubato.y:subscribe(function(pos)
ret._private.widget.y = pos
end)
end
if ret.hide_on_left_clicked_outside then
awful.mouse.append_client_mousebinding(
awful.button({ }, 1, function (c)
ret:hide()
end)
)
awful.mouse.append_global_mousebinding(
awful.button({ }, 1, function (c)
ret:hide()
end)
)
end
if ret.hide_on_right_clicked_outside then
awful.mouse.append_client_mousebinding(
awful.button({ }, 3, function (c)
ret:hide()
end)
)
awful.mouse.append_global_mousebinding(
awful.button({ }, 3, function (c)
ret:hide()
end)
)
end
local kill_old_inotify_process_script = [[ ps x | grep "inotifywait -e modify /usr/share/applications" | grep -v grep | awk '{print $1}' | xargs kill ]]
local subscribe_script = [[ bash -c "while (inotifywait -e modify /usr/share/applications -qq) do echo; done" ]]
awful.spawn.easy_async_with_shell(kill_old_inotify_process_script, function()
awful.spawn.with_line_callback(subscribe_script, {stdout = function(_)
generate_apps(ret)
end})
end)
return ret
end
function app_launcher.text(args)
args = args or {}
args.prompt_height = args.prompt_height or dpi(50)
args.prompt_margins = args.prompt_margins or dpi(30)
args.prompt_paddings = args.prompt_paddings or dpi(15)
args.app_width = args.app_width or dpi(400)
args.app_height = args.app_height or dpi(40)
args.apps_spacing = args.apps_spacing or dpi(10)
args.apps_per_row = args.apps_per_row or 15
args.apps_per_column = args.apps_per_column or 1
args.app_name_halign = args.app_name_halign or "left"
args.app_show_icon = args.app_show_icon ~= nil and args.app_show_icon or false
args.app_show_generic_name = args.app_show_generic_name == nil and true or args.app_show_generic_name
args.apps_margin = args.apps_margin or { left = dpi(40), right = dpi(40), bottom = dpi(30) }
return new(args)
end
function app_launcher.mt:__call(...)
return new(...)
end
return setmetatable(app_launcher, app_launcher.mt)