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#! /usr/bin/env lua
-- Demonstrate a toolbar, callbacks, and a text view.
Mainwin = {}
Mainwin.__index = Mainwin
function Mainwin.new()
local self = {}
setmetatable(self, Mainwin)
self.w = gtk.window_new(gtk.WINDOW_TOPLEVEL)
self.w:set_title("Toolbar Demo")
self.w:connect('destroy', gtk.main_quit)
self.w:set_default_size(450, 400)
local vbox = gtk.vbox_new(false, 0)
self.w:add(vbox)
local handle = gtk.handle_box_new()
vbox:pack_start(handle, false, true, 0)
local toolbar = gtk.toolbar_new()
self.toolbar = toolbar
handle:add(toolbar)
local items = {
{ "gtk-close", Mainwin.on_tool_close },
{ "gtk-go-back", Mainwin.on_tool_back },
{ "gtk-go-forward", Mainwin.on_tool_forward },
{ "gtk-help", Mainwin.on_tool_help },
{ "SEPARATOR", nil },
{ "gtk-quit", Mainwin.on_tool_quit } }
for _, item in pairs(items) do
local stock = item[1]
local handler = item[2]
local button, id
if stock == 'SEPARATOR' then
button = gtk.separator_tool_item_new()
else
button = gtk.tool_button_new_from_stock(stock)
id = button:connect("clicked", handler, self)
-- print("connect id is", id)
-- button:disconnect(id)
end
toolbar:insert(button, -1)
end
local sv = gtk.scrolled_window_new(nil, nil)
vbox:pack_start(sv, true, true, 0)
self.view = gtk.text_view_new()
sv:add_with_viewport(self.view)
self.buffer = self.view:get_buffer()
self.w:show_all()
return self
end
-- NOTE: for callbacks, self is the calling widget, i.e. the GtkToolButton.
--
-- insert a word at cursor position
function Mainwin:on_tool_close(mainwin)
local s = "close\n"
mainwin.buffer:insert_at_cursor(s, #s)
end
-- append something
function Mainwin:on_tool_back(mainwin)
local iter = gtk.new "TextIter"
mainwin.buffer:get_end_iter(iter)
local s = "back\n"
mainwin.buffer:insert(iter, s, #s)
end
function Mainwin:on_tool_forward()
print "forward"
end
function Mainwin:on_tool_help()
print "help"
end
function Mainwin:on_tool_quit()
gtk.main_quit()
end
-- main --
require "gtk"
mainwin = Mainwin.new()
gtk.main()
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