2 Copyright (C) 2012 Paul 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.
20 #include <gtkmm/window.h>
21 #include <gtkmm/label.h>
22 #include "gtkmm2ext/persistent_tooltip.h"
24 #include "pbd/stacktrace.h"
30 using namespace Gtkmm2ext;
32 /** @param target The widget to provide the tooltip for */
33 PersistentTooltip::PersistentTooltip (Gtk::Widget* target, int margin_y)
37 , _maybe_dragging (false)
38 , _margin_y (margin_y)
40 target->signal_enter_notify_event().connect (sigc::mem_fun (*this, &PersistentTooltip::enter), false);
41 target->signal_leave_notify_event().connect (sigc::mem_fun (*this, &PersistentTooltip::leave), false);
42 target->signal_button_press_event().connect (sigc::mem_fun (*this, &PersistentTooltip::press), false);
43 target->signal_button_release_event().connect (sigc::mem_fun (*this, &PersistentTooltip::release), false);
46 PersistentTooltip::~PersistentTooltip ()
52 PersistentTooltip::enter (GdkEventCrossing *)
54 if (_timeout.connected()) {
57 _timeout = Glib::signal_timeout().connect (sigc::mem_fun (*this, &PersistentTooltip::timeout), 500);
62 PersistentTooltip::timeout ()
69 PersistentTooltip::leave (GdkEventCrossing *)
71 _timeout.disconnect ();
80 PersistentTooltip::press (GdkEventButton* ev)
82 if (ev->type == GDK_BUTTON_PRESS && ev->button == 1) {
83 _maybe_dragging = true;
90 PersistentTooltip::release (GdkEventButton* ev)
92 if (ev->type == GDK_BUTTON_RELEASE && ev->button == 1) {
93 _maybe_dragging = false;
100 PersistentTooltip::dragging () const
102 return _maybe_dragging;
106 PersistentTooltip::hide ()
114 PersistentTooltip::show ()
121 _window = new Window (WINDOW_POPUP);
122 _window->set_name (X_("ContrastingPopup"));
123 _window->set_position (WIN_POS_MOUSE);
124 _window->set_decorated (false);
126 _label = manage (new Label);
127 _label->set_use_markup (true);
129 _window->set_border_width (6);
130 _window->add (*_label);
133 Gtk::Window* tlw = dynamic_cast<Gtk::Window*> (_target->get_toplevel ());
135 _window->set_transient_for (*tlw);
141 if (!_window->is_visible ()) {
143 int sw = gdk_screen_width();
145 _target->get_window()->get_origin (rx, ry);
147 /* the window needs to be realized first
148 * for _window->get_width() to be correct.
153 if (sw < rx + _window->get_width()) {
154 rx = sw - _window->get_width();
155 _window->move (rx, ry + _target->get_height());
157 _window->move (rx + (_target->get_width () - _window->get_width ()) / 2, ry + _target->get_height());
163 PersistentTooltip::set_tip (string t)
168 _label->set_markup (t);