first version of Gtkmm2ext::WindowProxy
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libs/gtkmm2ext/gtkmm2ext/window_proxy.h
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95
libs/gtkmm2ext/gtkmm2ext/window_proxy.h
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/*
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Copyright (C) 2015 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __gtkmm2ext_window_proxy_h__
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#include <string>
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#include <gdkmm/event.h>
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#include <glibmm/refptr.h>
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#include <sigc++/trackable.h>
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class XMLNode;
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#include "gtkmm2ext/visibility.h"
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namespace Gtk {
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class Window;
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class Action;
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}
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namespace Gtkmm2ext {
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class VisibilityTracker;
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class LIBGTKMM2EXT_API WindowProxy : public virtual sigc::trackable
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{
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public:
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WindowProxy (const std::string& name, const std::string& menu_name);
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WindowProxy (const std::string& name, const std::string& menu_name, const XMLNode&);
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virtual ~WindowProxy();
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void show ();
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void show_all ();
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void hide ();
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void present ();
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void maybe_show ();
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bool visible() const { return _visible; }
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const std::string& name() const { return _name; }
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const std::string& menu_name() const { return _menu_name; }
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std::string action_name() const;
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void set_action (Glib::RefPtr<Gtk::Action>);
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Glib::RefPtr<Gtk::Action> action() const { return _action; };
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void drop_window ();
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void use_window (Gtk::Window&);
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virtual Gtk::Window* get (bool create = false) = 0;
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virtual void toggle ();
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virtual void set_state (const XMLNode&);
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virtual XMLNode& get_state () const;
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operator bool() const { return _window != 0; }
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protected:
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std::string _name;
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std::string _menu_name;
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Glib::RefPtr<Gtk::Action> _action;
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Gtk::Window* _window;
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mutable bool _visible; ///< true if the window should be visible on startup
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mutable int _x_off; ///< x position
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mutable int _y_off; ///< y position
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mutable int _width; ///< width
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mutable int _height; ///< height
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Gtkmm2ext::VisibilityTracker* vistracker;
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void save_pos_and_size ();
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void set_pos_and_size ();
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virtual bool delete_event_handler (GdkEventAny *ev);
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virtual void setup ();
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};
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}
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#endif /* __gtkmm2ext_window_proxy_h__ */
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303
libs/gtkmm2ext/window_proxy.cc
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303
libs/gtkmm2ext/window_proxy.cc
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@ -0,0 +1,303 @@
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/*
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Copyright (C) 2015 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <gtkmm/action.h>
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#include <gtkmm/window.h>
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#include "pbd/convert.h"
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#include "pbd/xml++.h"
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#include "gtkmm2ext/window_proxy.h"
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#include "gtkmm2ext/visibility_tracker.h"
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#include "i18n.h"
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using namespace Gtk;
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using namespace Gtkmm2ext;
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using namespace PBD;
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WindowProxy::WindowProxy (const std::string& name, const std::string& menu_name)
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: _name (name)
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, _menu_name (menu_name)
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, _window (0)
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, _visible (false)
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, _x_off (-1)
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, _y_off (-1)
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, _width (-1)
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, _height (-1)
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, vistracker (0)
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{
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}
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WindowProxy::WindowProxy (const std::string& name, const std::string& menu_name, const XMLNode& node)
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: _name (name)
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, _menu_name (menu_name)
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, _window (0)
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, _visible (false)
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, _x_off (-1)
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, _y_off (-1)
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, _width (-1)
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, _height (-1)
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, vistracker (0)
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{
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set_state (node);
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}
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WindowProxy::~WindowProxy ()
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{
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delete vistracker;
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delete _window;
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}
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void
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WindowProxy::set_state (const XMLNode& node)
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{
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XMLNodeList children = node.children ();
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XMLNodeList::const_iterator i = children.begin ();
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while (i != children.end()) {
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XMLProperty* prop = (*i)->property (X_("name"));
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if ((*i)->name() == X_("Window") && prop && prop->value() == _name) {
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break;
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}
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++i;
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}
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if (i != children.end()) {
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XMLProperty* prop;
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if ((prop = (*i)->property (X_("visible"))) != 0) {
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_visible = PBD::string_is_affirmative (prop->value ());
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}
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if ((prop = (*i)->property (X_("x-off"))) != 0) {
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_x_off = atoi (prop->value());
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}
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if ((prop = (*i)->property (X_("y-off"))) != 0) {
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_y_off = atoi (prop->value());
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}
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if ((prop = (*i)->property (X_("x-size"))) != 0) {
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_width = atoi (prop->value());
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}
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if ((prop = (*i)->property (X_("y-size"))) != 0) {
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_height = atoi (prop->value());
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}
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}
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/* if the window is marked visible but doesn't yet exist, create it */
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if (_visible) {
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if (!_window) {
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_window = get (true);
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}
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}
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if (_window) {
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setup ();
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}
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}
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void
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WindowProxy::set_action (Glib::RefPtr<Gtk::Action> act)
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{
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_action = act;
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}
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std::string
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WindowProxy::action_name() const
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{
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return string_compose (X_("toggle-%1"), _name);
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}
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void
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WindowProxy::toggle()
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{
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if (!_window) {
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(void) get (true);
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assert (_window);
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/* XXX this is a hack - the window object should really
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ensure its components are all visible. sigh.
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*/
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_window->show_all();
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/* we'd like to just call this and nothing else */
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_window->present ();
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} else {
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if (_window->is_mapped()) {
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save_pos_and_size();
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}
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vistracker->cycle_visibility ();
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if (_window->is_mapped()) {
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if (_width != -1 && _height != -1) {
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_window->set_default_size (_width, _height);
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}
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if (_x_off != -1 && _y_off != -1) {
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_window->move (_x_off, _y_off);
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}
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}
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}
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}
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XMLNode&
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WindowProxy::get_state () const
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{
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XMLNode* node = new XMLNode (X_("Window"));
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char buf[32];
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node->add_property (X_("name"), _name);
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if (_window && vistracker) {
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/* we have a window, so use current state */
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_visible = vistracker->partially_visible ();
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_window->get_position (_x_off, _y_off);
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_window->get_size (_width, _height);
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}
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node->add_property (X_("visible"), _visible? X_("yes") : X_("no"));
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snprintf (buf, sizeof (buf), "%d", _x_off);
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node->add_property (X_("x-off"), buf);
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snprintf (buf, sizeof (buf), "%d", _y_off);
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node->add_property (X_("y-off"), buf);
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snprintf (buf, sizeof (buf), "%d", _width);
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node->add_property (X_("x-size"), buf);
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snprintf (buf, sizeof (buf), "%d", _height);
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node->add_property (X_("y-size"), buf);
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return *node;
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}
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void
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WindowProxy::drop_window ()
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{
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if (_window) {
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_window->hide ();
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delete _window;
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_window = 0;
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delete vistracker;
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vistracker = 0;
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}
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}
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void
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WindowProxy::use_window (Gtk::Window& win)
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{
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drop_window ();
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_window = &win;
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setup ();
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}
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void
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WindowProxy::setup ()
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{
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assert (_window);
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vistracker = new Gtkmm2ext::VisibilityTracker (*_window);
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_window->signal_delete_event().connect (sigc::mem_fun (*this, &WindowProxy::delete_event_handler));
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set_pos_and_size ();
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}
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void
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WindowProxy::show ()
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{
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get (true);
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assert (_window);
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_window->show ();
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}
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void
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WindowProxy::maybe_show ()
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{
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if (_visible) {
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show ();
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}
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}
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void
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WindowProxy::show_all ()
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{
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get (true);
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assert (_window);
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_window->show_all ();
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}
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void
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WindowProxy::present ()
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{
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get (true);
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assert (_window);
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_window->show_all ();
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_window->present ();
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/* turn off any mouse-based positioning */
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_window->set_position (Gtk::WIN_POS_NONE);
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}
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void
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WindowProxy::hide ()
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{
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if (_window) {
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save_pos_and_size();
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_window->hide ();
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}
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}
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bool
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WindowProxy::delete_event_handler (GdkEventAny* /*ev*/)
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{
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hide();
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return true;
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}
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void
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WindowProxy::save_pos_and_size ()
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{
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if (_window) {
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_window->get_position (_x_off, _y_off);
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_window->get_size (_width, _height);
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}
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}
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void
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WindowProxy::set_pos_and_size ()
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{
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if (!_window) {
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return;
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}
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if (_width != -1 || _height != -1 || _x_off != -1 || _y_off != -1) {
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/* cancel any mouse-based positioning */
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_window->set_position (Gtk::WIN_POS_NONE);
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}
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if (_width != -1 && _height != -1) {
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_window->set_default_size (_width, _height);
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}
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if (_x_off != -1 && _y_off != -1) {
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_window->move (_x_off, _y_off);
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}
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}
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