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 "pbd/controllable.h"
25 #include "gtkmm2ext/utils.h"
26 #include "widgets/click_box.h"
30 using namespace ArdourWidgets;
33 ClickBox::ClickBox (Gtk::Adjustment *adjp, const string &name, bool round_to_steps)
34 : AutoSpin (*adjp,0,round_to_steps)
36 layout = create_pango_layout ("");
41 add_events (Gdk::BUTTON_RELEASE_MASK|
42 Gdk::BUTTON_PRESS_MASK|
43 Gdk::ENTER_NOTIFY_MASK|
44 Gdk::LEAVE_NOTIFY_MASK);
46 get_adjustment().signal_value_changed().connect (mem_fun (*this, &ClickBox::set_label));
47 signal_style_changed().connect (mem_fun (*this, &ClickBox::style_changed));
48 signal_button_press_event().connect (mem_fun (*this, &ClickBox::button_press_handler));
49 signal_button_release_event().connect (mem_fun (*this, &ClickBox::button_release_handler));
54 ClickBox::~ClickBox ()
59 ClickBox::button_press_handler (GdkEventButton* ev)
61 if (_binding_proxy.button_press_handler (ev)) {
65 AutoSpin::button_press (ev);
70 ClickBox::on_scroll_event (GdkEventScroll* ev)
72 AutoSpin::scroll_event (ev);
77 ClickBox::button_release_handler (GdkEventButton* ev)
92 ClickBox::set_label ()
97 bool const h = _printer (buf, get_adjustment());
99 /* the printer didn't handle it, so use a default */
100 sprintf (buf, "%.2f", get_adjustment().get_value ());
103 layout->set_text (buf);
104 layout->get_pixel_size (width, height);
106 if (twidth < width && (width > 50)) {
107 /* override GenericPluginUI::build_control_ui()
108 * Gtkmm2ext::set_size_request_to_display_given_text ("g9999999")
109 * see http://tracker.ardour.org/view.php?id=6499
111 set_size_request (std::min (300, width + 6), height + 4);
114 twidth = width; theight = height;
120 ClickBox::style_changed (const Glib::RefPtr<Gtk::Style>&)
122 layout->context_changed ();
123 layout->get_pixel_size (twidth, theight);
127 ClickBox::on_expose_event (GdkEventExpose *ev)
129 /* Why do we do things like this rather than use a Gtk::Label?
130 Because whenever Gtk::Label::set_label() is called, it
131 triggers a recomputation of its own size, along with that
132 of its container and on up the tree. That's intended
133 to be unnecessary here.
136 Gtk::DrawingArea::on_expose_event (ev);
138 Glib::RefPtr<Gtk::Style> style (get_style());
139 Glib::RefPtr<Gdk::GC> fg_gc (style->get_fg_gc (Gtk::STATE_NORMAL));
140 Glib::RefPtr<Gdk::GC> bg_gc (style->get_bg_gc (Gtk::STATE_NORMAL));
141 Glib::RefPtr<Gdk::Window> win (get_window());
143 GdkRectangle base_rect;
144 GdkRectangle draw_rect;
145 gint x, y, width, height, depth;
147 win->get_geometry (x, y, width, height, depth);
149 base_rect.width = width;
150 base_rect.height = height;
154 gdk_rectangle_intersect (&ev->area, &base_rect, &draw_rect);
155 win->draw_rectangle (bg_gc, true, draw_rect.x, draw_rect.y, draw_rect.width, draw_rect.height);
157 if (twidth && theight) {
158 win->draw_layout (fg_gc, (width - twidth) / 2, (height - theight) / 2, layout);
165 ClickBox::set_printer (sigc::slot<bool, char *, Gtk::Adjustment &> p)
172 ClickBox::on_enter_notify_event (GdkEventCrossing* ev)
174 boost::shared_ptr<PBD::Controllable> c (_binding_proxy.get_controllable ());
176 PBD::Controllable::GUIFocusChanged (boost::weak_ptr<PBD::Controllable> (c));
182 ClickBox::on_leave_notify_event (GdkEventCrossing* ev)
184 if (_binding_proxy.get_controllable()) {
185 PBD::Controllable::GUIFocusChanged (boost::weak_ptr<PBD::Controllable> ());