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# Copyright (C) 2015 Ruby-GNOME2 Project Team
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
#
# Original:
# * URL: https://git.gnome.org/browse/gtk+/tree/examples/application7/exampleapp.c
# * URL: https://git.gnome.org/browse/gtk+/tree/examples/application7/exampleappwin.c
# * License: LGPL 2
require "gtk3"
require "fileutils"
current_path = File.expand_path(File.dirname(__FILE__))
gresource_bin = "#{current_path}/exampleapp.gresource"
gresource_xml = "#{current_path}/exampleapp.gresource.xml"
system("glib-compile-resources",
"--target", gresource_bin,
"--sourcedir", current_path,
gresource_xml)
gschema_bin = "#{current_path}/gschemas.compiled"
gschema_xml = "#{current_path}/org.gtk.exampleapp.gschema.xml"
system("glib-compile-schemas", current_path)
at_exit do
FileUtils.rm_f([gresource_bin, gschema_bin])
end
resource = Gio::Resource.load(gresource_bin)
Gio::Resources.register(resource)
ENV["GSETTINGS_SCHEMA_DIR"] = current_path
class ExampleAppPrefs < Gtk::Dialog
type_register
class << self
def init
set_template(:resource => "/org/gtk/exampleapp/prefs.ui")
bind_template_child("font")
bind_template_child("transition")
end
end
def initialize(args)
parent = args[:transient_for]
bar = args[:use_header_bar]
super(:transient_for => parent, :use_header_bar => 1)
settings = Gio::Settings.new("org.gtk.exampleapp")
settings.bind("font",
font,
"font",
Gio::SettingsBindFlags::DEFAULT)
settings.bind("transition",
transition,
"active-id",
Gio::SettingsBindFlags::DEFAULT)
end
end
class ExampleAppWindow < Gtk::ApplicationWindow
type_register
class << self
def init
set_template(:resource => "/org/gtk/exampleapp/window.ui")
bind_template_child("stack")
bind_template_child("search")
bind_template_child("searchbar")
set_connect_func do |name|
method(name)
end
end
private
def search_text_changed(search_entry)
text = search_entry.text
return if text.empty?
win = search_entry.toplevel
tab = win.stack.visible_child
view = tab.child
buffer = view.buffer
range = buffer.start_iter.forward_search(text, Gtk::TextSearchFlags::CASE_INSENSITIVE)
return unless range
buffer.select_range(range[0], range[1])
view.scroll_to_iter(range[0], 0.0, false, 0.0, 0.0)
end
def visible_child_changed(stack, params)
return if stack.in_destruction?
win = stack.toplevel
win.searchbar.set_search_mode(false)
end
end
def initialize(application)
super(:application => application)
@settings = Gio::Settings.new("org.gtk.exampleapp")
@settings.bind("transition",
stack,
"transition-type",
Gio::SettingsBindFlags::DEFAULT)
search.bind_property("active", searchbar, "search-mode-enabled", :bidirectional)
end
def open(file)
basename = file.basename
scrolled = Gtk::ScrolledWindow.new
scrolled.show
scrolled.set_hexpand(true)
scrolled.set_vexpand(true)
view = Gtk::TextView.new
view.set_editable(false)
view.set_cursor_visible(false)
view.show
scrolled.add(view)
stack.add_titled(scrolled, basename, basename)
stream = file.read
buffer = view.buffer
buffer.text = stream.read
tag = buffer.create_tag()
@settings.bind("font", tag, "font", Gio::SettingsBindFlags::DEFAULT)
buffer.apply_tag(tag, buffer.start_iter, buffer.end_iter)
search.sensitive = true
end
end
class ExampleApp < Gtk::Application
def initialize
super("org.gtk.exampleapp", :handles_open)
signal_connect "startup" do |application|
quit_accels = ["<Ctrl>Q"]
action = Gio::SimpleAction.new("quit")
action.signal_connect("activate") do |_action, _parameter|
application.quit
end
application.add_action(action)
application.set_accels_for_action("app.quit", quit_accels)
action = Gio::SimpleAction.new("preferences")
action.signal_connect("activate") do |_action, _parameter|
win = application.windows.first
prefs = ExampleAppPrefs.new(:transient_for => win,
:use_header_bar => true)
prefs.present
end
application.add_action(action)
builder = Gtk::Builder.new(:resource => "/org/gtk/exampleapp/app-menu.ui")
app_menu = builder.get_object("appmenu")
application.set_app_menu(app_menu)
end
signal_connect "activate" do |application|
window = ExampleAppWindow.new(application)
window.present
end
signal_connect "open" do |application, files, hint|
windows = application.windows
win = nil
unless windows.empty?
win = windows.first
else
win = ExampleAppWindow.new(application)
end
files.each { |file| win.open(file) }
win.present
end
end
end
app = ExampleApp.new
puts app.run([$PROGRAM_NAME] + ARGV)
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