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livetrax/gtk2_ardour/window_manager.cc

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/*
Copyright (C) 2013 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/window.h>
#include "pbd/xml++.h"
#include "ardour/session_handle.h"
#include "gtkmm2ext/visibility_tracker.h"
#include "actions.h"
#include "ardour_dialog.h"
#include "ardour_window.h"
#include "window_manager.h"
#include "processor_box.h"
#include "i18n.h"
using std::string;
using namespace WM;
using namespace PBD;
Manager* Manager::_instance = 0;
Manager&
Manager::instance ()
{
if (!_instance) {
_instance = new Manager;
}
return *_instance;
}
Manager::Manager ()
: current_transient_parent (0)
{
}
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Manager::~Manager ()
{
}
void
Manager::register_window (ProxyBase* info)
{
_windows.push_back (info);
if (!info->menu_name().empty()) {
if (!window_actions) {
window_actions = Gtk::ActionGroup::create (X_("Window"));
ActionManager::add_action_group (window_actions);
}
info->set_action (ActionManager::register_action (window_actions, info->action_name().c_str(), info->menu_name().c_str(),
sigc::bind (sigc::mem_fun (*this, &Manager::toggle_window), info)));
}
}
void
Manager::remove (const ProxyBase* info)
{
for (Windows::iterator i = _windows.begin(); i != _windows.end(); ++i) {
if ((*i) == info) {
_windows.erase (i);
return;
}
}
}
void
Manager::toggle_window (ProxyBase* proxy)
{
if (proxy) {
proxy->toggle ();
}
}
void
Manager::show_visible() const
{
for (Windows::const_iterator i = _windows.begin(); i != _windows.end(); ++i) {
if ((*i)->visible()) {
(*i)->show_all ();
(*i)->present ();
}
}
}
void
Manager::add_state (XMLNode& root) const
{
for (Windows::const_iterator i = _windows.begin(); i != _windows.end(); ++i) {
/* don't save state for temporary proxy windows
*/
if (dynamic_cast<ProxyTemporary*> (*i)) {
continue;
}
if (dynamic_cast<ProcessorWindowProxy*> (*i)) {
ProcessorWindowProxy *pi = dynamic_cast<ProcessorWindowProxy*> (*i);
root.add_child_nocopy (pi->get_state());
} else {
root.add_child_nocopy ((*i)->get_state());
}
}
}
void
Manager::set_session (ARDOUR::Session* s)
{
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SessionHandlePtr::set_session (s);
for (Windows::const_iterator i = _windows.begin(); i != _windows.end(); ++i) {
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(*i)->set_session(s);
}
}
void
Manager::set_transient_for (Gtk::Window* parent)
{
/* OS X has a richer concept of window layering than X does (or
* certainly, than any accepted conventions on X), and so the use of
* Manager::set_transient_for() is not necessary on that platform.
*
* On OS X this is mostly taken care of by using the window type rather
* than explicit 1:1 transient-for relationships.
*/
#ifndef __APPLE__
if (parent) {
for (Windows::const_iterator i = _windows.begin(); i != _windows.end(); ++i) {
Gtk::Window* win = (*i)->get();
if (win) {
win->set_transient_for (*parent);
}
}
} else {
for (Windows::const_iterator i = _windows.begin(); i != _windows.end(); ++i) {
Gtk::Window* win = (*i)->get();
if (win) {
gtk_window_set_transient_for (win->gobj(), 0);
}
}
}
current_transient_parent = parent;
#endif
}
/*-------------------------*/
ProxyBase::ProxyBase (const string& name, const std::string& menu_name)
: _name (name)
, _menu_name (menu_name)
, _window (0)
, _visible (false)
, _x_off (-1)
, _y_off (-1)
, _width (-1)
, _height (-1)
, vistracker (0)
{
}
ProxyBase::ProxyBase (const string& name, const std::string& menu_name, const XMLNode& node)
: _name (name)
, _menu_name (menu_name)
, _window (0)
, _visible (false)
, _x_off (-1)
, _y_off (-1)
, _width (-1)
, _height (-1)
, vistracker (0)
{
set_state (node);
}
ProxyBase::~ProxyBase ()
{
delete vistracker;
}
void
ProxyBase::set_state (const XMLNode& node)
{
XMLNodeList children = node.children ();
XMLNodeList::const_iterator i = children.begin ();
while (i != children.end()) {
XMLProperty* prop = (*i)->property (X_("name"));
if ((*i)->name() == X_("Window") && prop && prop->value() == _name) {
break;
}
++i;
}
if (i != children.end()) {
XMLProperty* prop;
if ((prop = (*i)->property (X_("visible"))) != 0) {
_visible = PBD::string_is_affirmative (prop->value ());
}
if ((prop = (*i)->property (X_("x-off"))) != 0) {
_x_off = atoi (prop->value());
}
if ((prop = (*i)->property (X_("y-off"))) != 0) {
_y_off = atoi (prop->value());
}
if ((prop = (*i)->property (X_("x-size"))) != 0) {
_width = atoi (prop->value());
}
if ((prop = (*i)->property (X_("y-size"))) != 0) {
_height = atoi (prop->value());
}
}
/* if we have a window already, reset its properties */
if (_window) {
setup ();
}
}
void
ProxyBase::set_action (Glib::RefPtr<Gtk::Action> act)
{
_action = act;
}
std::string
ProxyBase::action_name() const
{
return string_compose (X_("toggle-%1"), _name);
}
void
ProxyBase::toggle()
{
if (!_window) {
(void) get (true);
assert (_window);
/* XXX this is a hack - the window object should really
ensure its components are all visible. sigh.
*/
_window->show_all();
/* we'd like to just call this and nothing else */
_window->present ();
if (_width != -1 && _height != -1) {
_window->set_default_size (_width, _height);
}
if (_x_off != -1 && _y_off != -1) {
_window->move (_x_off, _y_off);
}
} else {
if (_window->is_mapped()) {
save_pos_and_size();
}
vistracker->cycle_visibility ();
if (_window->is_mapped()) {
if (_width != -1 && _height != -1) {
_window->set_default_size (_width, _height);
}
if (_x_off != -1 && _y_off != -1) {
_window->move (_x_off, _y_off);
}
}
}
}
XMLNode&
ProxyBase::get_state () const
{
XMLNode* node = new XMLNode (X_("Window"));
char buf[32];
node->add_property (X_("name"), _name);
if (_window && vistracker) {
/* we have a window, so use current state */
_visible = vistracker->partially_visible ();
if (_visible) {
_window->get_position (_x_off, _y_off);
_window->get_size (_width, _height);
}
}
node->add_property (X_("visible"), _visible? X_("yes") : X_("no"));
snprintf (buf, sizeof (buf), "%d", _x_off);
node->add_property (X_("x-off"), buf);
snprintf (buf, sizeof (buf), "%d", _y_off);
node->add_property (X_("y-off"), buf);
snprintf (buf, sizeof (buf), "%d", _width);
node->add_property (X_("x-size"), buf);
snprintf (buf, sizeof (buf), "%d", _height);
node->add_property (X_("y-size"), buf);
return *node;
}
void
ProxyBase::drop_window ()
{
if (_window) {
_window->hide ();
delete _window;
_window = 0;
delete vistracker;
vistracker = 0;
}
}
void
ProxyBase::use_window (Gtk::Window& win)
{
drop_window ();
_window = &win;
setup ();
}
void
ProxyBase::setup ()
{
assert (_window);
vistracker = new Gtkmm2ext::VisibilityTracker (*_window);
_window->signal_delete_event().connect (sigc::mem_fun (*this, &ProxyBase::handle_win_event));
if (_width != -1 || _height != -1 || _x_off != -1 || _y_off != -1) {
/* cancel any mouse-based positioning */
_window->set_position (Gtk::WIN_POS_NONE);
}
if (_width != -1 && _height != -1) {
_window->set_default_size (_width, _height);
}
if (_x_off != -1 && _y_off != -1) {
_window->move (_x_off, _y_off);
}
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set_session(_session);
}
void
ProxyBase::show ()
{
Gtk::Window* win = get (true);
win->show ();
}
void
ProxyBase::maybe_show ()
{
if (_visible) {
show ();
}
}
void
ProxyBase::show_all ()
{
Gtk::Window* win = get (true);
win->show_all ();
}
void
ProxyBase::present ()
{
Gtk::Window* win = get (true);
win->show_all ();
win->present ();
/* turn off any mouse-based positioning */
_window->set_position (Gtk::WIN_POS_NONE);
}
void
ProxyBase::hide ()
{
Gtk::Window* win = get (false);
if (win) {
save_pos_and_size();
win->hide ();
}
}
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bool
ProxyBase::handle_win_event (GdkEventAny *ev)
{
hide();
return true;
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}
void
ProxyBase::save_pos_and_size ()
{
Gtk::Window* win = get (false);
if (win) {
win->get_position (_x_off, _y_off);
win->get_size (_width, _height);
}
}
/*-----------------------*/
ProxyTemporary::ProxyTemporary (const string& name, Gtk::Window* win)
: ProxyBase (name, string())
{
_window = win;
}
ProxyTemporary::~ProxyTemporary ()
{
}
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ARDOUR::SessionHandlePtr*
ProxyTemporary::session_handle()
{
/* may return null */
ArdourWindow* aw = dynamic_cast<ArdourWindow*> (_window);
if (aw) { return aw; }
ArdourDialog* ad = dynamic_cast<ArdourDialog*> (_window);
if (ad) { return ad; }
return 0;
}