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;
37 layout = create_pango_layout ("");
42 add_events (Gdk::BUTTON_RELEASE_MASK|
43 Gdk::BUTTON_PRESS_MASK|
44 Gdk::ENTER_NOTIFY_MASK|
45 Gdk::LEAVE_NOTIFY_MASK);
47 get_adjustment().signal_value_changed().connect (mem_fun (*this, &ClickBox::set_label));
48 signal_style_changed().connect (mem_fun (*this, &ClickBox::style_changed));
49 signal_button_press_event().connect (mem_fun (*this, &ClickBox::button_press_handler));
50 signal_button_release_event().connect (mem_fun (*this, &ClickBox::button_release_handler));
55 ClickBox::~ClickBox ()
60 ClickBox::button_press_handler (GdkEventButton* ev)
63 AutoSpin::button_press (ev);
68 ClickBox::button_release_handler (GdkEventButton* ev)
83 ClickBox::default_printer (char buf[32], Gtk::Adjustment &adj,
86 sprintf (buf, "%.2f", adj.get_value());
90 ClickBox::set_label ()
98 print_func (buf, get_adjustment(), print_arg);
100 layout->set_text (buf);
101 layout->get_pixel_size (twidth, theight);
107 ClickBox::style_changed (const Glib::RefPtr<Gtk::Style>& ignored)
110 layout->context_changed ();
111 layout->get_pixel_size (twidth, theight);
115 ClickBox::on_expose_event (GdkEventExpose *ev)
117 /* Why do we do things like this rather than use a Gtk::Label?
118 Because whenever Gtk::Label::set_label() is called, it
119 triggers a recomputation of its own size, along with that
120 of its container and on up the tree. That's intended
121 to be unnecessary here.
124 Gtk::DrawingArea::on_expose_event (ev);
128 Glib::RefPtr<Gtk::Style> style (get_style());
129 Glib::RefPtr<Gdk::GC> fg_gc (style->get_fg_gc (Gtk::STATE_NORMAL));
130 Glib::RefPtr<Gdk::GC> bg_gc (style->get_bg_gc (Gtk::STATE_NORMAL));
131 Glib::RefPtr<Gdk::Window> win (get_window());
133 GdkRectangle base_rect;
134 GdkRectangle draw_rect;
135 gint x, y, width, height, depth;
137 win->get_geometry (x, y, width, height, depth);
139 base_rect.width = width;
140 base_rect.height = height;
144 gdk_rectangle_intersect (&ev->area, &base_rect, &draw_rect);
145 win->draw_rectangle (bg_gc, true, draw_rect.x, draw_rect.y, draw_rect.width, draw_rect.height);
147 if (twidth && theight) {
148 win->draw_layout (fg_gc, (width - twidth) / 2, (height - theight) / 2, layout);