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livetrax/libs/gtkmm2ext/tearoff.cc
Carl Hetherington b65f8073ba Fix some unused parameter warnings.
git-svn-id: svn://localhost/ardour2/branches/3.0@5403 d708f5d6-7413-0410-9779-e7cbd77b26cf
2009-07-21 15:55:17 +00:00

217 lines
4.9 KiB
C++

/*
Copyright (C) 2003 Paul Barton-Davis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
$Id$
*/
#include <cmath>
#include <gtkmm2ext/tearoff.h>
#include <gtkmm2ext/utils.h>
using namespace Gtkmm2ext;
using namespace Gtk;
using namespace Gdk;
using namespace Glib;
using namespace std;
TearOff::TearOff (Widget& c, bool allow_resize)
: contents (c),
own_window (Gtk::WINDOW_TOPLEVEL),
tearoff_arrow (ARROW_DOWN, SHADOW_OUT),
close_arrow (ARROW_UP, SHADOW_OUT)
{
dragging = false;
_visible = true;
_can_be_torn_off = true;
tearoff_event_box.add (tearoff_arrow);
tearoff_event_box.set_events (BUTTON_PRESS_MASK|BUTTON_RELEASE_MASK);
tearoff_event_box.signal_button_release_event().connect (mem_fun (*this, &TearOff::tearoff_click));
close_event_box.add (close_arrow);
close_event_box.set_events (BUTTON_PRESS_MASK|BUTTON_RELEASE_MASK);
close_event_box.signal_button_release_event().connect (mem_fun (*this, &TearOff::close_click));
own_window.add_events (BUTTON_PRESS_MASK|BUTTON_RELEASE_MASK|POINTER_MOTION_MASK|POINTER_MOTION_HINT_MASK);
own_window.set_resizable (allow_resize);
own_window.set_type_hint (WINDOW_TYPE_HINT_TOOLBAR);
VBox* box1;
box1 = manage (new VBox);
box1->pack_start (close_event_box, false, false, 2);
window_box.pack_end (*box1, false, false, 2);
own_window.add (window_box);
own_window.signal_button_press_event().connect (mem_fun (*this, &TearOff::window_button_press));
own_window.signal_button_release_event().connect (mem_fun (*this, &TearOff::window_button_release));
own_window.signal_motion_notify_event().connect (mem_fun (*this, &TearOff::window_motion));
own_window.signal_delete_event().connect (mem_fun (*this, &TearOff::window_delete_event));
own_window.signal_realize().connect (bind (sigc::ptr_fun (Gtkmm2ext::set_decoration), &own_window, WMDecoration (DECOR_BORDER|DECOR_RESIZEH)));
tearoff_arrow.set_name ("TearOffArrow");
close_arrow.set_name ("TearOffArrow");
VBox* box2;
box2 = manage (new VBox);
box2->pack_start (tearoff_event_box, false, false, 2);
pack_start (contents);
pack_start (*box2, false, false, 2);
}
TearOff::~TearOff ()
{
}
void
TearOff::set_can_be_torn_off (bool yn)
{
if (yn != _can_be_torn_off) {
if (yn) {
tearoff_arrow.set_no_show_all (false);
tearoff_arrow.show ();
} else {
tearoff_arrow.set_no_show_all (true);
tearoff_arrow.hide ();
}
_can_be_torn_off = yn;
}
}
void
TearOff::set_visible (bool yn)
{
/* don't change visibility if torn off */
if (own_window.is_visible()) {
return;
}
if (_visible != yn) {
_visible = yn;
if (yn) {
show_all();
Visible ();
} else {
hide ();
Hidden ();
}
}
}
gint
TearOff::tearoff_click (GdkEventButton* /*ev*/)
{
if (_can_be_torn_off) {
remove (contents);
window_box.pack_start (contents);
own_window.set_name (get_name());
close_event_box.set_name (get_name());
own_window.show_all ();
hide ();
Detach ();
}
return true;
}
gint
TearOff::close_click (GdkEventButton* /*ev*/)
{
window_box.remove (contents);
pack_start (contents);
reorder_child (contents, 0);
own_window.hide ();
show_all ();
Attach ();
return true;
}
gint
TearOff::window_button_press (GdkEventButton* ev)
{
if (dragging || ev->button != 1) {
dragging = false;
own_window.remove_modal_grab();
return true;
}
dragging = true;
drag_x = ev->x_root;
drag_y = ev->y_root;
own_window.add_modal_grab();
return true;
}
gint
TearOff::window_button_release (GdkEventButton* /*ev*/)
{
dragging = false;
own_window.remove_modal_grab();
return true;
}
gint
TearOff::window_delete_event (GdkEventAny* /*ev*/)
{
return close_click(0);
}
gint
TearOff::window_motion (GdkEventMotion* ev)
{
gint x;
gint y;
gint mx, my;
double x_delta;
double y_delta;
RefPtr<Gdk::Window> win (own_window.get_window());
own_window.get_pointer (mx, my);
if (!dragging) {
return true;
}
if (!(ev->state & GDK_BUTTON1_MASK)) {
dragging = false;
own_window.remove_modal_grab();
return true;
}
x_delta = ev->x_root - drag_x;
y_delta = ev->y_root - drag_y;
win->get_root_origin (x, y);
win->move ((gint) floor (x + x_delta), (gint) floor (y + y_delta));
drag_x = ev->x_root;
drag_y = ev->y_root;
return true;
}
bool
TearOff::torn_off() const
{
return own_window.is_visible();
}