finished application laucnher and bluetooth widget
This commit is contained in:
Rene Kievits
395
awesome/wibox/widget/inputbox.lua
Normal file
395
awesome/wibox/widget/inputbox.lua
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@@ -0,0 +1,395 @@
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---------------------------------------------------------------------------
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-- A widget to write text in
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--@DOC_wibox_widget_defaults_inputtextbox_EXAMPLE@
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--
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-- @author Rene Kievits
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-- @copyright 2022 Rene Kievits
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-- @widgetmod wibox.widget.inputbox
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-- @supermodule wibox.widget.textbox
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---------------------------------------------------------------------------
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local base = require("wibox.widget.base")
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local gdebug = require("gears.debug")
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local gfs = require("gears.filesystem")
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local gobject = require("gears.object")
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local gstring = require("gears.string")
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local beautiful = require("beautiful")
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local keygrabber = require("awful.keygrabber")
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local lgi = require("lgi")
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local gtable = require("gears.table")
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local wibox = require("wibox")
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local abutton = require("awful.button")
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local setmetatable = setmetatable
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local capi =
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{
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selection = selection,
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mousegrabber = mousegrabber,
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mouse = mouse,
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}
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local inputbox = { mt = {} }
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local function text_with_cursor(text, cursor_pos, self)
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local char, spacer, text_start, text_end
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local cursor_fg = beautiful.inputbox_cursor_fg or "#313131"
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local cursor_bg = beautiful.inputbox_cursor_bg or "#0dccfc"
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local text_color = beautiful.inputbox_fg or "#ffffff"
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local placeholder_text = beautiful.inputbox_placeholder_text or "Type here..."
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local placeholder_fg = beautiful.inputbox_placeholder_fg or "#777777"
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local highlight_bg = beautiful.inputbox_highlight_bg or "#35ffe4"
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local highlight_fg = beautiful.inputbox_highlight_fg or "#000000"
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if text == "" then
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return "<span foreground='" .. placeholder_fg .. "'>" .. placeholder_text .. "</span>"
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end
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if #text < cursor_pos then
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char = " "
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spacer = ""
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text_start = gstring.xml_escape(text)
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text_end = ""
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else
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local offset = 0
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if #text:sub(cursor_pos, cursor_pos) == -1 then
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offset = 1
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end
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char = gstring.xml_escape(text:sub(cursor_pos, cursor_pos + offset))
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spacer = " "
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text_start = gstring.xml_escape(text:sub(1, cursor_pos - 1))
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text_end = gstring.xml_escape(text:sub(cursor_pos + offset + 1))
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end
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if self._private.highlight and self._private.highlight.cur_pos_start and self._private.highlight.cur_pos_end then
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-- split the text into 3 parts based on the highlight and cursor position
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local text_start_highlight = gstring.xml_escape(text:sub(1, self._private.highlight.cur_pos_start - 1))
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local text_highlighted = gstring.xml_escape(text:sub(self._private.highlight.cur_pos_start,
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self._private.highlight.cur_pos_end))
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local text_end_highlight = gstring.xml_escape(text:sub(self._private.highlight.cur_pos_end + 1))
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return "<span foreground='" .. text_color .. "'>" .. text_start_highlight .. "</span>" ..
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"<span foreground='" .. highlight_fg .. "' background='" .. highlight_bg .. "'>" ..
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text_highlighted ..
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"</span>" .. "<span foreground='" .. text_color .. "'>" .. text_end_highlight .. "</span>"
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else
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return "<span foreground='" .. text_color .. "'>" .. text_start .. "</span>" ..
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"<span background='" .. cursor_bg .. "' foreground='" .. cursor_fg .. "'>" ..
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char .. "</span>" .. "<span foreground='" .. text_color .. "'>" .. text_end .. spacer .. "</span>"
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end
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end
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--- Clears the current text
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function inputbox:clear()
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self:set_text("")
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end
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function inputbox:get_text()
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return self._private.text or ""
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end
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function inputbox:set_text(text)
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self._private.text = text
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self:emit_signal("property::text", text)
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end
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--- Stop the keygrabber and mousegrabber
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function inputbox:stop()
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self:emit_signal("stopped")
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keygrabber.stop()
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capi.mousegrabber.stop()
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end
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function inputbox:focus()
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keygrabber.stop()
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if not keygrabber.is_running then
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self:run()
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end
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-- Stops the mousegrabber when not clicked on the widget
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--[[ capi.mousegrabber.run(
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function(m)
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if m.buttons[1] then
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if capi.mouse.current_wibox ~= self:get_widget().widget then
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self:emit_signal("keygrabber::stop", "")
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return false
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end
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end
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return true
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end, "left_ptr"
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) ]]
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self:connect_signal("button::press", function()
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if capi.mouse.current_widget ~= self then
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self:emit_signal("keygrabber::stop", "")
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end
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end)
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end
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function inputbox:run()
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if not self._private.text then self._private.text = "" end
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-- Init the cursor position, but causes on refocus the cursor to move to the left
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local cursor_pos = #self:get_text() + 1
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self:emit_signal("started")
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-- Init and reset(when refocused) the highlight
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self._private.highlight = {}
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-- Emitted when the keygrabber is stopped
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self:connect_signal("cancel", function()
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self:stop()
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self:emit_signal("stopped")
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end)
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-- Emitted when the keygrabber should submit the text
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self:connect_signal("submit", function(text)
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self:stop()
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self:emit_signal("stopped", text)
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end)
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self:emit_signal("key_pressed", "B", "A")
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keygrabber.run(function(mod, key, event)
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local mod_keys = {}
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for _, v in ipairs(mod) do
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mod_keys[v] = true
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end
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if not (event == "press") then return end
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--Escape cases
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-- Just quit and leave the text as is
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if (not mod_keys.Control) and (key == "Escape") then
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self:emit_signal("cancel")
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elseif (not mod_keys.Control and key == "KP_Enter") or (not mod_keys.Control and key == "Return") then
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self:emit_signal("submit", self:get_text())
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self:set_text("")
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end
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-- All shift, control or key cases
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if mod_keys.Shift then
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if key == "Left" then
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if cursor_pos > 1 then
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if not self._private.highlight.cur_pos_start then
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self._private.highlight.cur_pos_start = cursor_pos - 1
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end
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if not self._private.highlight.cur_pos_end then
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self._private.highlight.cur_pos_end = cursor_pos
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end
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if self._private.highlight.cur_pos_start < cursor_pos then
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self._private.highlight.cur_pos_end = self._private.highlight.cur_pos_end - 1
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else
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self._private.highlight.cur_pos_start = self._private.highlight.cur_pos_start - 1
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end
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cursor_pos = cursor_pos - 1
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end
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elseif key == "Right" then
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if #self._private.text >= cursor_pos then
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if not self._private.highlight.cur_pos_end then
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self._private.highlight.cur_pos_end = cursor_pos - 1
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end
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if not self._private.highlight.cur_pos_start then
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self._private.highlight.cur_pos_start = cursor_pos
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end
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if self._private.highlight.cur_pos_end <= cursor_pos then
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self._private.highlight.cur_pos_end = self._private.highlight.cur_pos_end + 1
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else
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self._private.highlight.cur_pos_start = self._private.highlight.cur_pos_start + 1
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end
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cursor_pos = cursor_pos + 1
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if cursor_pos > #self._private.text + 1 then
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self._private.highlight = {}
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end
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end
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else
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if key:wlen() == 1 then
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self:set_text(self._private.text:sub(1, cursor_pos - 1) ..
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string.upper(key) .. self._private.text:sub(cursor_pos))
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cursor_pos = cursor_pos + 1
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end
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end
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elseif mod_keys.Control then
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if key == "a" then
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-- Mark the entire text
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self._private.highlight = {
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cur_pos_start = 1,
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cur_pos_end = #self._private.text
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}
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elseif key == "c" then
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-- TODO: Copy the highlighted text when the selection setter gets implemented
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elseif key == "v" then
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local sel = capi.selection()
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if sel then
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sel = sel:gsub("\n", "")
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if self._private.highlight and self._private.highlight.cur_pos_start and
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self._private.highlight.cur_pos_end then
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-- insert the text into the selected part
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local text_start = self._private.text:sub(1, self._private.highlight.cur_pos_start - 1)
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local text_end = self._private.text:sub(self._private.highlight.cur_pos_end + 1)
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self:set_text(text_start .. sel .. text_end)
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self._private.highlight = {}
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cursor_pos = #text_start + #sel + 1
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else
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self:set_text(self._private.text:sub(1, cursor_pos - 1) ..
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sel .. self._private.text:sub(cursor_pos))
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cursor_pos = cursor_pos + #sel
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end
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end
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elseif key == "x" then
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--TODO: "cut". Copy selected then clear text, this requires to add the c function first.
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self._private.highlight = {}
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elseif key == "Left" then
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-- Find all spaces
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local spaces = {}
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local t, i = self._private.text, 0
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while t:find("%s") do
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i = t:find("%s")
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table.insert(spaces, i)
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t = t:sub(1, i - 1) .. "-" .. t:sub(i + 1)
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end
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local cp = 1
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for _, v in ipairs(spaces) do
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if (v < cursor_pos) then
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cp = v
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end
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end
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cursor_pos = cp
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elseif key == "Right" then
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local next_space = self._private.text:sub(cursor_pos):find("%s")
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if next_space then
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cursor_pos = cursor_pos + next_space
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else
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cursor_pos = #self._private.text + 1
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end
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end
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else
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if key == "BackSpace" then
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-- If text is highlighted delete that, else just delete the character to the left
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if self._private.highlight and self._private.highlight.cur_pos_start and
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self._private.highlight.cur_pos_end then
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local text_start = self._private.text:sub(1, self._private.highlight.cur_pos_start - 1)
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local text_end = self._private.text:sub(self._private.highlight.cur_pos_end + 1)
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self:set_text(text_start .. text_end)
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self._private.highlight = {}
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cursor_pos = #text_start + 1
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else
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if cursor_pos > 1 then
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self:set_text(self._private.text:sub(1, cursor_pos - 2) ..
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self._private.text:sub(cursor_pos))
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cursor_pos = cursor_pos - 1
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end
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end
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elseif key == "Delete" then
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-- If text is highlighted delete that, else just delete the character to the right
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if self._private.highlight and self._private.highlight.cur_pos_start and
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self._private.highlight.cur_pos_end then
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local text_start = self._private.text:sub(1, self._private.highlight.cur_pos_start - 1)
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local text_end = self._private.text:sub(self._private.highlight.cur_pos_end + 1)
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self:set_text(text_start .. text_end)
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self._private.highlight = {}
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cursor_pos = #text_start + 1
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else
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if cursor_pos <= #self._private.text then
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self:set_text(self._private.text:sub(1, cursor_pos - 1) ..
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self._private.text:sub(cursor_pos + 1))
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end
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end
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elseif key == "Left" then
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-- Move cursor ro the left
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if cursor_pos > 1 then
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cursor_pos = cursor_pos - 1
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end
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self._private.highlight = {}
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elseif key == "Right" then
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-- Move cursor to the right
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if cursor_pos <= #self._private.text then
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cursor_pos = cursor_pos + 1
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end
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self._private.highlight = {}
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else
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-- Print every alphanumeric key
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-- It seems like gears.xmlescape doesn't support non alphanumeric characters
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if key:wlen() == 1 then
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self:set_text(self._private.text:sub(1, cursor_pos - 1) ..
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key .. self._private.text:sub(cursor_pos))
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cursor_pos = cursor_pos + #key
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end
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end
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-- Make sure the cursor cannot go out of bounds
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if cursor_pos < 1 then
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cursor_pos = 1
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elseif cursor_pos > #self._private.text + 1 then
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cursor_pos = #self._private.text + 1
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end
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end
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-- Update cycle
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self.text = text_with_cursor(self:get_text(), cursor_pos, self)
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-- using self:emit_signal... results in nil tables beeing send
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awesome.emit_signal("inputbox::key_pressed", mod_keys, key)
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end)
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end
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function inputbox.new(args)
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args = args or {}
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local w = wibox.widget.textbox(args.text or "")
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gtable.crush(w, inputbox, true)
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w:buttons(
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gtable.join {
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abutton({}, 1, function()
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w:focus()
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end),
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abutton({}, 3, function()
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-- TODO: Figure out how to paste with highlighted support
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-- Maybe with a signal?
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end)
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}
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)
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-- Change the cursor to "xterm" on hover over
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local old_cursor, old_wibox
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w:connect_signal(
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"mouse::enter",
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function()
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local wid = capi.mouse.current_wibox
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if wid then
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old_cursor, old_wibox = wid.cursor, wid
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wid.cursor = "xterm"
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end
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end
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)
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-- Change the cursor back once leaving the widget
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w:connect_signal(
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"mouse::leave",
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function()
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old_wibox.cursor = old_cursor
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old_wibox = nil
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end
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)
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w.text = text_with_cursor("", 1, w)
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return w
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end
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function inputbox.mt:__call(...)
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return inputbox.new(...)
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end
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return setmetatable(inputbox, inputbox.mt)
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-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
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