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=begin
dnd.rb - Drag and Drop sample script.
Copyright (C) 2002-2015 Masao Mutoh
Copyright (c) 2002-2016 Ruby-GNOME2 Project Team
This program is licenced under the same licence as Ruby-GNOME2.
=end
require "gtk3"
class SrcWindow < Gtk::Window
def initialize
super("Source Window")
@label = Gtk::Label.new("Drag here!")
add(@label)
set_default_size(100, 100)
drag_source_set(Gdk::ModifierType::BUTTON1_MASK |
Gdk::ModifierType::BUTTON2_MASK,
[["test", Gtk::TargetFlags::SAME_APP, 12_345]],
Gdk::DragAction::COPY |
Gdk::DragAction::MOVE)
signal_connect("drag-data-get") do |_widget, _context, selection_data, _info, _time|
selection_data.set(Gdk::Selection::TYPE_STRING, "this is a test")
puts "drag-data-get signal:"
puts selection_data.text
end
end
end
class DestWindow < Gtk::Window
def initialize
super("Dest Window")
@label = Gtk::Label.new("Drop here!")
add(@label)
set_default_size(100, 100)
drag_dest_set(Gtk::DestDefaults::MOTION |
Gtk::DestDefaults::HIGHLIGHT,
[["test", :same_app, 12_345]],
Gdk::DragAction::COPY |
Gdk::DragAction::MOVE)
signal_connect("drag-data-received") do |_widget, context, _x, _y, selection_data, _info, _time|
context.targets.each do |target|
if target.name == "test" ||
selection_data.type == Gdk::Selection::TYPE_STRING
data_len = selection_data.data.size
puts "drag-data-received signal:"
puts selection_data.data.pack("C#{data_len}")
puts selection_data.text
else
next
end
end
end
signal_connect("drag-drop") do |widget, context, _x, _y, time|
widget.drag_get_data(context, context.targets[0], time)
end
end
end
win1 = SrcWindow.new
win2 = DestWindow.new
win1.show_all.signal_connect("destroy") { Gtk.main_quit }
win2.show_all.signal_connect("destroy") { Gtk.main_quit }
Gtk.main