2 Copyright (C) 1999 Paul Barton-Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 #include <cstdio> /* for sprintf, sigh ... */
24 #include <gtkmm2ext/utils.h>
25 #include <gtkmm2ext/click_box.h>
29 using namespace Gtkmm2ext;
32 ClickBox::ClickBox (Gtk::Adjustment *adjp, const string &name, bool round_to_steps)
33 : AutoSpin (*adjp,0,round_to_steps)
35 print_func = default_printer;
39 add_events (Gdk::BUTTON_RELEASE_MASK|
40 Gdk::BUTTON_PRESS_MASK|
41 Gdk::ENTER_NOTIFY_MASK|
42 Gdk::LEAVE_NOTIFY_MASK);
45 get_adjustment().signal_value_changed().connect (mem_fun (*this, &ClickBox::set_label));
47 signal_button_press_event().connect (mem_fun (*this, &ClickBox::button_press_handler));
48 signal_button_release_event().connect (mem_fun (*this, &ClickBox::button_release_handler));
51 ClickBox::~ClickBox ()
56 ClickBox::button_press_handler (GdkEventButton* ev)
59 AutoSpin::button_press (ev);
64 ClickBox::button_release_handler (GdkEventButton* ev)
79 ClickBox::default_printer (char buf[32], Gtk::Adjustment &adj,
82 sprintf (buf, "%.2f", adj.get_value());
86 ClickBox::set_label ()
92 ClickBox::on_expose_event (GdkEventExpose *ev)
94 /* Why do we do things like this rather than use a Gtk::Label?
95 Because whenever Gtk::Label::set_label() is called, it
96 triggers a recomputation of its own size, along with that
97 of its container and on up the tree. That's intended
98 to be unnecessary here.
101 Gtk::DrawingArea::on_expose_event (ev);
107 Glib::RefPtr<Gtk::Style> style (get_style());
109 print_func (buf, get_adjustment(), print_arg);
111 Glib::RefPtr <Gdk::Window> win (get_window());
112 win->draw_rectangle (style->get_bg_gc(get_state()),
118 create_pango_layout(buf)->get_pixel_size(width, height);
119 set_size_request(width, height);