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#! /usr/bin/env lua
-- vim:sw=4:sts=4
-- demonstration of a tree view with a toggle button in it.
require "gtk"
local MainWin = {}
MainWin.__index = MainWin
-- change the state of the toggle
function toggle_func(toggle, path, store)
local iter = gtk.new "TreeIter"
if store:get_iter_from_string(iter, path) then
local val = store:get_value(iter, 2)
val = 1 - val
store:set_value(iter, 2, val)
end
end
function MainWin.new()
local self = {}
setmetatable(self, MainWin)
-- create visible widgets
self.w = gtk.window_new(gtk.WINDOW_TOPLEVEL)
self.w:connect('destroy', gtk.main_quit)
self.w:set_default_size(200, 250)
self.w:set_title("Tree View 2 Demo")
local sw = gtk.scrolled_window_new(nil, nil)
sw:set_policy(gtk.POLICY_NEVER, gtk.POLICY_AUTOMATIC)
self.w:add(sw)
self.tree_view = gtk.tree_view_new()
sw:add(self.tree_view)
-- create store
self.store = gtk.tree_store_new(3,
glib.TYPE_INT, -- [0] some ID
glib.TYPE_STRING, -- [1] label
glib.TYPE_INT) -- [2] checkbox status
self.tree_view:set_model(self.store)
-- column with text
local r, c
r = gtk.cell_renderer_text_new()
c = gtk.tree_view_column_new_with_attributes("Name", r, "text", 1, nil)
self.tree_view:append_column(c)
-- column with checkbox
r = gtk.cell_renderer_toggle_new()
r:set_radio(false)
r:connect('toggled', toggle_func, self.store)
c = gtk.tree_view_column_new_with_attributes("Active?",
r, "active", 2, nil)
self.tree_view:append_column(c)
-- add some items
local iter1 = gtk.new "TreeIter"
local pix_open = self.tree_view:render_icon(gtk.STOCK_OPEN,
gtk.ICON_SIZE_SMALL_TOOLBAR, "")
local pix_closed = self.tree_view:render_icon(gtk.STOCK_CLOSE,
gtk.ICON_SIZE_SMALL_TOOLBAR, "")
for i = 1, 10 do
self.store:append(iter1, nil)
self.store:set(iter1,
0, i,
1, "Item " .. i,
2, i % 2,
-1)
end
self.w:show_all()
return self
end
-- main --
mw = MainWin.new()
gtk.main()
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