109 lines
2.6 KiB
Ruby
109 lines
2.6 KiB
Ruby
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=begin header
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layout.rb - a part of testgtk.c rewritten in Ruby/GTK2
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Copyright (C) 2002-2005 Ruby-GNOME2 Project Team
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$Id: layout.rb,v 1.6 2005/07/17 16:55:27 mutoh Exp $
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Rewritten by Minoru Inachi <inachi@earth.interq.or.jp>
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Original Copyright:
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GTK - The GIMP Toolkit
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Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the
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Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA.
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=end
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require 'sample'
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class LayoutSample < SampleWindow
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def initialize
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super("Gtk::Layout")
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set_default_size(200, 200)
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scrolledwindow = Gtk::ScrolledWindow.new
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add(scrolledwindow)
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@layout = Gtk::Layout.new(nil, nil)
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scrolledwindow.add(@layout)
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# We set step sizes here since GtkLayout does not set
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# them itself.
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@layout.hadjustment.step_increment = 10.0
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@layout.vadjustment.step_increment = 10.0
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@layout.set_events(Gdk::Event::EXPOSURE_MASK)
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@layout.signal_connect("expose_event") do | w, event |
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layout_expose_handler(event)
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end
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@layout.set_size(1600, 128000)
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for i in 0..15 do
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for j in 0..15 do
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buf = "Button #{i}, #{j}"
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if ((i + j) % 2) != 0 then
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button = Gtk::Button.new(buf)
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else
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button = Gtk::Label.new(buf)
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end
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@layout.put(button, j*100, i*100)
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button.show
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end
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end
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for i in 16..1279 do
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buf = "Button #{i}, 0"
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if (i % 2) != 0 then
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button = Gtk::Button.new(buf)
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else
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button = Gtk::Label.new(buf)
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end
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@layout.put(button, 0, i * 100)
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end
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end
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private
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def layout_expose_handler(event)
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imin = (event.area.x) / 10
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imax = (event.area.x + event.area.width + 9) / 10
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jmin = (event.area.y) / 10
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jmax = (event.area.y + event.area.height + 9) / 10
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for i in imin..imax-1 do
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for j in jmin..jmax-1 do
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if ((i+j) % 2) != 0 then
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@layout.bin_window.draw_rectangle(
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@layout.style.black_gc,
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true,
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10 * i, 10 * j,
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1 + i % 10, 1 + j % 10)
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end
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end
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end
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false
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end
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end
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