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livetrax/gtk2_ardour/panner_interface.cc
Carl Hetherington 46e448252f Provide dialogs to edit pan values numerically, at least for
mono and stereo panners.


git-svn-id: svn://localhost/ardour2/branches/3.0@12577 d708f5d6-7413-0410-9779-e7cbd77b26cf
2012-06-06 11:47:09 +00:00

170 lines
3.8 KiB
C++

/*
Copyright (C) 2011 Paul 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.
*/
#include <gtkmm.h>
#include "gtkmm2ext/keyboard.h"
#include "panner_interface.h"
#include "panner_editor.h"
#include "global_signals.h"
#include "i18n.h"
using namespace std;
using namespace Gtk;
using namespace ARDOUR;
using namespace Gtkmm2ext;
PannerInterface::PannerInterface (boost::shared_ptr<Panner> p)
: _panner (p)
, _drag_data_window (0)
, _drag_data_label (0)
, _dragging (false)
, _editor (0)
{
set_flags (Gtk::CAN_FOCUS);
add_events (Gdk::ENTER_NOTIFY_MASK|Gdk::LEAVE_NOTIFY_MASK|
Gdk::KEY_PRESS_MASK|Gdk::KEY_RELEASE_MASK|
Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|
Gdk::SCROLL_MASK|
Gdk::POINTER_MOTION_MASK);
}
PannerInterface::~PannerInterface ()
{
delete _drag_data_window;
delete _editor;
}
void
PannerInterface::show_drag_data_window ()
{
if (!_drag_data_window) {
_drag_data_window = new Window (WINDOW_POPUP);
_drag_data_window->set_name (X_("ContrastingPopup"));
_drag_data_window->set_position (WIN_POS_MOUSE);
_drag_data_window->set_decorated (false);
_drag_data_label = manage (new Label);
_drag_data_label->set_use_markup (true);
_drag_data_window->set_border_width (6);
_drag_data_window->add (*_drag_data_label);
_drag_data_label->show ();
Window* toplevel = dynamic_cast<Window*> (get_toplevel());
if (toplevel) {
_drag_data_window->set_transient_for (*toplevel);
}
}
set_drag_data ();
if (!_drag_data_window->is_visible ()) {
/* move the window a little away from the mouse */
int rx, ry;
get_window()->get_origin (rx, ry);
_drag_data_window->move (rx, ry + get_height());
_drag_data_window->present ();
}
}
void
PannerInterface::hide_drag_data_window ()
{
if (_drag_data_window) {
_drag_data_window->hide ();
}
}
bool
PannerInterface::on_enter_notify_event (GdkEventCrossing *)
{
grab_focus ();
Keyboard::magic_widget_grab_focus ();
_drag_data_timeout = Glib::signal_timeout().connect (sigc::mem_fun (*this, &PannerInterface::drag_data_timeout), 500);
return false;
}
bool
PannerInterface::drag_data_timeout ()
{
show_drag_data_window ();
return false;
}
bool
PannerInterface::on_leave_notify_event (GdkEventCrossing *)
{
Keyboard::magic_widget_drop_focus ();
_drag_data_timeout.disconnect ();
if (!_dragging) {
hide_drag_data_window ();
}
return false;
}
bool
PannerInterface::on_key_release_event (GdkEventKey*)
{
return false;
}
void
PannerInterface::value_change ()
{
set_drag_data ();
queue_draw ();
}
bool
PannerInterface::on_button_press_event (GdkEventButton* ev)
{
if (Gtkmm2ext::Keyboard::is_edit_event (ev)) {
edit ();
return true;
}
return false;
}
bool
PannerInterface::on_button_release_event (GdkEventButton* ev)
{
if (Gtkmm2ext::Keyboard::is_edit_event (ev)) {
/* We edited on the press, so claim the release */
return true;
}
return false;
}
void
PannerInterface::edit ()
{
delete _editor;
_editor = editor ();
_editor->show ();
}