src/gigedit/gigedit.cpp

/*
 * Copyright (C) 2007-2009 Andreas Persson
 *
 * 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, 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 program; see the file COPYING. If not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA.
 */

#include "gigedit.h"

#include <glibmm/dispatcher.h>
#include <glibmm/main.h>
#include <gtkmm/main.h>

#include "mainwindow.h"

#include "global.h"

#ifdef __APPLE__
#include <dlfcn.h>
#include <glibmm/fileutils.h>
#include <glibmm/miscutils.h>
#endif

namespace {

// State for a gigedit thread.
//
// This class is only used when gigedit is run as a plugin and makes
// sure that there's only one Gtk::Main event loop. The event loop is
// started in a separate thread. The plugin thread just dispatches an
// event to the main loop to open a window and then goes to sleep
// until the window is closed.
//
class GigEditState : public sigc::trackable {
public:
    GigEditState(GigEdit* parent) : parent(parent) { }
    void run(gig::Instrument* pInstrument);

    MainWindow* window;

private:

    // simple condition variable abstraction
    class Cond {
    private:
        bool pred;
        Glib::Threads::Mutex mutex;
        Glib::Threads::Cond cond;
    public:
        Cond() : pred(false) { }
        void signal() {
            Glib::Threads::Mutex::Lock lock(mutex);
            pred = true;
            cond.signal();
        }
        void wait() {
            Glib::Threads::Mutex::Lock lock(mutex);
            while (!pred) cond.wait(mutex);
        }
    };

#ifdef OLD_THREADS
    static Glib::StaticMutex mutex;
#else
    static Glib::Threads::Mutex mutex;
#endif
    static Glib::Dispatcher* dispatcher;
    static GigEditState* current;

    static void main_loop_run(Cond* intialized);
    static void open_window_static();

    GigEdit* parent;
    Cond open;
    Cond close;
    gig::Instrument* instrument;

    void open_window();
    void close_window();
};

#ifdef WIN32
HINSTANCE gigedit_dll_handle = 0;
#endif

#ifdef __APPLE__
std::string gigedit_localedir;
#endif

void init_app() {
    static bool process_initialized = false;
    if (!process_initialized) {
        std::cout << "Initializing 3rd party services needed by gigedit.\n"
                  << std::flush;
        setlocale(LC_ALL, "");

#ifdef __APPLE__
        // Look for pango.modules, gdk-pixbuf.loaders and locale files
        // under the same dir as the gigedit dylib is installed in.
        Dl_info info;
        if (dladdr((void*)&init_app, &info)) {
            std::string libdir = Glib::path_get_dirname(info.dli_fname);

            if (Glib::getenv("PANGO_SYSCONFDIR") == "" &&
                Glib::file_test(Glib::build_filename(libdir,
                                                     "pango/pango.modules"),
                                Glib::FILE_TEST_EXISTS)) {
                Glib::setenv("PANGO_SYSCONFDIR", libdir, true);
            }
            if (Glib::getenv("GDK_PIXBUF_MODULE_FILE") == "") {
                std::string module_file =
                    Glib::build_filename(libdir,
                                         "gtk-2.0/gdk-pixbuf.loaders");
                if (Glib::file_test(module_file, Glib::FILE_TEST_EXISTS)) {
                    Glib::setenv("GDK_PIXBUF_MODULE_FILE", module_file, true);
                }
            }
#if HAVE_GETTEXT
            std::string localedir = Glib::build_filename(libdir, "locale");
            if (Glib::file_test(localedir, Glib::FILE_TEST_EXISTS)) {
                gigedit_localedir = localedir;
                bindtextdomain(GETTEXT_PACKAGE, gigedit_localedir.c_str());
            } else {
                bindtextdomain(GETTEXT_PACKAGE, LOCALEDIR);
            }
#endif
        }

        // The gtk file dialog stores its recent files state in
        // ~/.local/share
        g_mkdir_with_parents(
            Glib::build_filename(Glib::get_home_dir(),
                                 ".local/share").c_str(), 0777);
#endif

#if HAVE_GETTEXT

#ifdef WIN32
#if GLIB_CHECK_VERSION(2, 16, 0)
        gchar* root =
            g_win32_get_package_installation_directory_of_module(gigedit_dll_handle);
#else
        gchar* root =
            g_win32_get_package_installation_directory(NULL, NULL);
#endif
        gchar* temp = g_build_filename(root, "/share/locale", NULL);
        g_free(root);
        gchar* localedir = g_win32_locale_filename_from_utf8(temp);
        g_free(temp);
        bindtextdomain(GETTEXT_PACKAGE, localedir);
        g_free(localedir);
#elif !defined(__APPLE__)
        bindtextdomain(GETTEXT_PACKAGE, LOCALEDIR);
#endif
        bind_textdomain_codeset(GETTEXT_PACKAGE, "UTF-8");
        textdomain(GETTEXT_PACKAGE);
#endif // HAVE_GETTEXT

#ifdef OLD_THREADS
        // make sure thread_init() is called once and ONLY once per process
        if (!Glib::thread_supported()) Glib::thread_init();
#endif
        process_initialized = true;
    }
}

void connect_signals(GigEdit* gigedit, MainWindow* mainwindow) {
    // the signals of the "GigEdit" class are actually just proxies, that
    // is they simply forward the signals of the internal classes to the
    // outer world
    mainwindow->signal_file_structure_to_be_changed().connect(
        gigedit->signal_file_structure_to_be_changed().make_slot()
    );
    mainwindow->signal_file_structure_changed().connect(
        gigedit->signal_file_structure_changed().make_slot()
    );
    mainwindow->signal_samples_to_be_removed().connect(
        gigedit->signal_samples_to_be_removed().make_slot()
    );
    mainwindow->signal_samples_removed().connect(
        gigedit->signal_samples_removed().make_slot()
    );
    mainwindow->signal_region_to_be_changed().connect(
        gigedit->signal_region_to_be_changed().make_slot()
    );
    mainwindow->signal_region_changed().connect(
        gigedit->signal_region_changed().make_slot()
    );
    mainwindow->signal_dimreg_to_be_changed().connect(
        gigedit->signal_dimreg_to_be_changed().make_slot()
    );
    mainwindow->signal_dimreg_changed().connect(
        gigedit->signal_dimreg_changed().make_slot()
    );
    mainwindow->signal_sample_changed().connect(
        gigedit->signal_sample_changed().make_slot()
    );
    mainwindow->signal_sample_ref_changed().connect(
        gigedit->signal_sample_ref_changed().make_slot()
    );
    mainwindow->signal_keyboard_key_hit().connect(
        gigedit->signal_keyboard_key_hit().make_slot()
    );
    mainwindow->signal_keyboard_key_released().connect(
        gigedit->signal_keyboard_key_released().make_slot()
    );
}

} // namespace

GigEdit::GigEdit() {
    state = NULL;
}

int GigEdit::run(int argc, char* argv[]) {
    init_app();

    Gtk::Main kit(argc, argv);

#ifdef __APPLE__
    // Gtk::Main binds the gtk locale to a possible non-existent
    // directory. If we have bundled gtk locale files, we rebind here,
    // after the Gtk::Main constructor.
    if (!gigedit_localedir.empty()) {
        bindtextdomain("gtk20", gigedit_localedir.c_str());
    }
#endif

    MainWindow window;
    connect_signals(this, &window);
    if (argc >= 2) window.load_file(argv[1]);
    kit.run(window);
    return 0;
}

int GigEdit::run(gig::Instrument* pInstrument) {
    init_app();

    GigEditState state(this);
    this->state = &state;
    state.run(pInstrument);
    this->state = NULL;
    return 0;
}

void GigEdit::on_note_on_event(int key, int velocity) {
    if (!this->state) return;
    GigEditState* state = (GigEditState*) this->state;
    state->window->signal_note_on().emit(key, velocity);
}

void GigEdit::on_note_off_event(int key, int velocity) {
    if (!this->state) return;
    GigEditState* state = (GigEditState*) this->state;
    state->window->signal_note_off().emit(key, velocity);
}

sigc::signal<void, gig::File*>& GigEdit::signal_file_structure_to_be_changed() {
    return file_structure_to_be_changed_signal;
}

sigc::signal<void, gig::File*>& GigEdit::signal_file_structure_changed() {
    return file_structure_changed_signal;
}

sigc::signal<void, std::list<gig::Sample*> >& GigEdit::signal_samples_to_be_removed() {
    return samples_to_be_removed_signal;
}

sigc::signal<void>& GigEdit::signal_samples_removed() {
    return samples_removed_signal;
}

sigc::signal<void, gig::Region*>& GigEdit::signal_region_to_be_changed() {
    return region_to_be_changed_signal;
}

sigc::signal<void, gig::Region*>& GigEdit::signal_region_changed() {
    return region_changed_signal;
}

sigc::signal<void, gig::DimensionRegion*>& GigEdit::signal_dimreg_to_be_changed() {
    return dimreg_to_be_changed_signal;
}

sigc::signal<void, gig::DimensionRegion*>& GigEdit::signal_dimreg_changed() {
    return dimreg_changed_signal;
}

sigc::signal<void, gig::Sample*>& GigEdit::signal_sample_changed() {
    return sample_changed_signal;
}

sigc::signal<void, gig::Sample*/*old*/, gig::Sample*/*new*/>& GigEdit::signal_sample_ref_changed() {
    return sample_ref_changed_signal;
}

sigc::signal<void, int/*key*/, int/*velocity*/>& GigEdit::signal_keyboard_key_hit() {
    return keyboard_key_hit_signal;
}

sigc::signal<void, int/*key*/, int/*velocity*/>& GigEdit::signal_keyboard_key_released() {
    return keyboard_key_released_signal;
}

#ifdef OLD_THREADS
Glib::StaticMutex GigEditState::mutex = GLIBMM_STATIC_MUTEX_INIT;
#else
Glib::Threads::Mutex GigEditState::mutex;
#endif
Glib::Dispatcher* GigEditState::dispatcher = 0;
GigEditState* GigEditState::current = 0;

void GigEditState::open_window_static() {
    GigEditState* c = GigEditState::current;
    c->open.signal();
    c->open_window();
}

void GigEditState::open_window() {
    window = new MainWindow();

    connect_signals(parent, window);
    if (instrument) window->load_instrument(instrument);

    window->signal_hide().connect(sigc::mem_fun(this,
                                                &GigEditState::close_window));
    window->present();
}

void GigEditState::close_window() {
    delete window;
    close.signal();
}

void GigEditState::main_loop_run(Cond* initialized) {
    int argc = 1;
    const char* argv_c[] = { "gigedit" };
    char** argv = const_cast<char**>(argv_c);
    Gtk::Main main_loop(argc, argv);
#ifdef __APPLE__
    if (!gigedit_localedir.empty()) {
        bindtextdomain("gtk20", gigedit_localedir.c_str());
    }
#endif

    dispatcher = new Glib::Dispatcher();
    dispatcher->connect(sigc::ptr_fun(&GigEditState::open_window_static));
    initialized->signal();

    main_loop.run();
}

void GigEditState::run(gig::Instrument* pInstrument) {
    mutex.lock(); // lock access to static variables

    static bool main_loop_started = false;
    if (!main_loop_started) {
        Cond initialized;
#ifdef OLD_THREADS
        Glib::Thread::create(
            sigc::bind(sigc::ptr_fun(&GigEditState::main_loop_run),
                       &initialized),
            false);
#else
        Glib::Threads::Thread::create(
            sigc::bind(sigc::ptr_fun(&GigEditState::main_loop_run),
                       &initialized));
#endif
        initialized.wait();
        main_loop_started = true;
    }
    instrument = pInstrument;
    current = this;
    dispatcher->emit();
    open.wait(); // wait until the GUI thread has read current
    mutex.unlock();
    close.wait(); // sleep until window is closed
}

#if defined(WIN32)
extern "C" {
    BOOL WINAPI DllMain(HINSTANCE instance, DWORD reason, LPVOID reserved)
    {
        switch (reason) {
        case DLL_PROCESS_ATTACH:
            gigedit_dll_handle = instance;
            break;
        }
        return TRUE;
    }
}
#endif
1	/*
2	* Copyright (C) 2007-2009 Andreas Persson
3	*
4	* This program is free software; you can redistribute it and/or
5	* modify it under the terms of the GNU General Public License as
6	* published by the Free Software Foundation; either version 2, or (at
7	* your option) any later version.
8	*
9	* This program is distributed in the hope that it will be useful, but
10	* WITHOUT ANY WARRANTY; without even the implied warranty of
11	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12	* General Public License for more details.
13	*
14	* You should have received a copy of the GNU General Public License
15	* along with program; see the file COPYING. If not, write to the Free
16	* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
17	* 02110-1301 USA.
18	*/
19
20	#include "gigedit.h"
21
22	#include <glibmm/dispatcher.h>
23	#include <glibmm/main.h>
24	#include <gtkmm/main.h>
25
26	#include "mainwindow.h"
27
28	#include "global.h"
29
30	#ifdef __APPLE__
31	#include <dlfcn.h>
32	#include <glibmm/fileutils.h>
33	#include <glibmm/miscutils.h>
34	#endif
35
36	namespace {
37
38	// State for a gigedit thread.
39	//
40	// This class is only used when gigedit is run as a plugin and makes
41	// sure that there's only one Gtk::Main event loop. The event loop is
42	// started in a separate thread. The plugin thread just dispatches an
43	// event to the main loop to open a window and then goes to sleep
44	// until the window is closed.
45	//
46	class GigEditState : public sigc::trackable {
47	public:
48	GigEditState(GigEdit* parent) : parent(parent) { }
49	void run(gig::Instrument* pInstrument);
50
51	MainWindow* window;
52
53	private:
54
55	// simple condition variable abstraction
56	class Cond {
57	private:
58	bool pred;
59	Glib::Threads::Mutex mutex;
60	Glib::Threads::Cond cond;
61	public:
62	Cond() : pred(false) { }
63	void signal() {
64	Glib::Threads::Mutex::Lock lock(mutex);
65	pred = true;
66	cond.signal();
67	}
68	void wait() {
69	Glib::Threads::Mutex::Lock lock(mutex);
70	while (!pred) cond.wait(mutex);
71	}
72	};
73
74	#ifdef OLD_THREADS
75	static Glib::StaticMutex mutex;
76	#else
77	static Glib::Threads::Mutex mutex;
78	#endif
79	static Glib::Dispatcher* dispatcher;
80	static GigEditState* current;
81
82	static void main_loop_run(Cond* intialized);
83	static void open_window_static();
84
85	GigEdit* parent;
86	Cond open;
87	Cond close;
88	gig::Instrument* instrument;
89
90	void open_window();
91	void close_window();
92	};
93
94	#ifdef WIN32
95	HINSTANCE gigedit_dll_handle = 0;
96	#endif
97
98	#ifdef __APPLE__
99	std::string gigedit_localedir;
100	#endif
101
102	void init_app() {
103	static bool process_initialized = false;
104	if (!process_initialized) {
105	std::cout << "Initializing 3rd party services needed by gigedit.\n"
106	<< std::flush;
107	setlocale(LC_ALL, "");
108
109	#ifdef __APPLE__
110	// Look for pango.modules, gdk-pixbuf.loaders and locale files
111	// under the same dir as the gigedit dylib is installed in.
112	Dl_info info;
113	if (dladdr((void*)&init_app, &info)) {
114	std::string libdir = Glib::path_get_dirname(info.dli_fname);
115
116	if (Glib::getenv("PANGO_SYSCONFDIR") == "" &&
117	Glib::file_test(Glib::build_filename(libdir,
118	"pango/pango.modules"),
119	Glib::FILE_TEST_EXISTS)) {
120	Glib::setenv("PANGO_SYSCONFDIR", libdir, true);
121	}
122	if (Glib::getenv("GDK_PIXBUF_MODULE_FILE") == "") {
123	std::string module_file =
124	Glib::build_filename(libdir,
125	"gtk-2.0/gdk-pixbuf.loaders");
126	if (Glib::file_test(module_file, Glib::FILE_TEST_EXISTS)) {
127	Glib::setenv("GDK_PIXBUF_MODULE_FILE", module_file, true);
128	}
129	}
130	#if HAVE_GETTEXT
131	std::string localedir = Glib::build_filename(libdir, "locale");
132	if (Glib::file_test(localedir, Glib::FILE_TEST_EXISTS)) {
133	gigedit_localedir = localedir;
134	bindtextdomain(GETTEXT_PACKAGE, gigedit_localedir.c_str());
135	} else {
136	bindtextdomain(GETTEXT_PACKAGE, LOCALEDIR);
137	}
138	#endif
139	}
140
141	// The gtk file dialog stores its recent files state in
142	// ~/.local/share
143	g_mkdir_with_parents(
144	Glib::build_filename(Glib::get_home_dir(),
145	".local/share").c_str(), 0777);
146	#endif
147
148	#if HAVE_GETTEXT
149
150	#ifdef WIN32
151	#if GLIB_CHECK_VERSION(2, 16, 0)
152	gchar* root =
153	g_win32_get_package_installation_directory_of_module(gigedit_dll_handle);
154	#else
155	gchar* root =
156	g_win32_get_package_installation_directory(NULL, NULL);
157	#endif
158	gchar* temp = g_build_filename(root, "/share/locale", NULL);
159	g_free(root);
160	gchar* localedir = g_win32_locale_filename_from_utf8(temp);
161	g_free(temp);
162	bindtextdomain(GETTEXT_PACKAGE, localedir);
163	g_free(localedir);
164	#elif !defined(__APPLE__)
165	bindtextdomain(GETTEXT_PACKAGE, LOCALEDIR);
166	#endif
167	bind_textdomain_codeset(GETTEXT_PACKAGE, "UTF-8");
168	textdomain(GETTEXT_PACKAGE);
169	#endif // HAVE_GETTEXT
170
171	#ifdef OLD_THREADS
172	// make sure thread_init() is called once and ONLY once per process
173	if (!Glib::thread_supported()) Glib::thread_init();
174	#endif
175	process_initialized = true;
176	}
177	}
178
179	void connect_signals(GigEdit* gigedit, MainWindow* mainwindow) {
180	// the signals of the "GigEdit" class are actually just proxies, that
181	// is they simply forward the signals of the internal classes to the
182	// outer world
183	mainwindow->signal_file_structure_to_be_changed().connect(
184	gigedit->signal_file_structure_to_be_changed().make_slot()
185	);
186	mainwindow->signal_file_structure_changed().connect(
187	gigedit->signal_file_structure_changed().make_slot()
188	);
189	mainwindow->signal_samples_to_be_removed().connect(
190	gigedit->signal_samples_to_be_removed().make_slot()
191	);
192	mainwindow->signal_samples_removed().connect(
193	gigedit->signal_samples_removed().make_slot()
194	);
195	mainwindow->signal_region_to_be_changed().connect(
196	gigedit->signal_region_to_be_changed().make_slot()
197	);
198	mainwindow->signal_region_changed().connect(
199	gigedit->signal_region_changed().make_slot()
200	);
201	mainwindow->signal_dimreg_to_be_changed().connect(
202	gigedit->signal_dimreg_to_be_changed().make_slot()
203	);
204	mainwindow->signal_dimreg_changed().connect(
205	gigedit->signal_dimreg_changed().make_slot()
206	);
207	mainwindow->signal_sample_changed().connect(
208	gigedit->signal_sample_changed().make_slot()
209	);
210	mainwindow->signal_sample_ref_changed().connect(
211	gigedit->signal_sample_ref_changed().make_slot()
212	);
213	mainwindow->signal_keyboard_key_hit().connect(
214	gigedit->signal_keyboard_key_hit().make_slot()
215	);
216	mainwindow->signal_keyboard_key_released().connect(
217	gigedit->signal_keyboard_key_released().make_slot()
218	);
219	}
220
221	} // namespace
222
223	GigEdit::GigEdit() {
224	state = NULL;
225	}
226
227	int GigEdit::run(int argc, char* argv[]) {
228	init_app();
229
230	Gtk::Main kit(argc, argv);
231
232	#ifdef __APPLE__
233	// Gtk::Main binds the gtk locale to a possible non-existent
234	// directory. If we have bundled gtk locale files, we rebind here,
235	// after the Gtk::Main constructor.
236	if (!gigedit_localedir.empty()) {
237	bindtextdomain("gtk20", gigedit_localedir.c_str());
238	}
239	#endif
240
241	MainWindow window;
242	connect_signals(this, &window);
243	if (argc >= 2) window.load_file(argv[1]);
244	kit.run(window);
245	return 0;
246	}
247
248	int GigEdit::run(gig::Instrument* pInstrument) {
249	init_app();
250
251	GigEditState state(this);
252	this->state = &state;
253	state.run(pInstrument);
254	this->state = NULL;
255	return 0;
256	}
257
258	void GigEdit::on_note_on_event(int key, int velocity) {
259	if (!this->state) return;
260	GigEditState* state = (GigEditState*) this->state;
261	state->window->signal_note_on().emit(key, velocity);
262	}
263
264	void GigEdit::on_note_off_event(int key, int velocity) {
265	if (!this->state) return;
266	GigEditState* state = (GigEditState*) this->state;
267	state->window->signal_note_off().emit(key, velocity);
268	}
269
270	sigc::signal<void, gig::File*>& GigEdit::signal_file_structure_to_be_changed() {
271	return file_structure_to_be_changed_signal;
272	}
273
274	sigc::signal<void, gig::File*>& GigEdit::signal_file_structure_changed() {
275	return file_structure_changed_signal;
276	}
277
278	sigc::signal<void, std::list<gig::Sample*> >& GigEdit::signal_samples_to_be_removed() {
279	return samples_to_be_removed_signal;
280	}
281
282	sigc::signal<void>& GigEdit::signal_samples_removed() {
283	return samples_removed_signal;
284	}
285
286	sigc::signal<void, gig::Region*>& GigEdit::signal_region_to_be_changed() {
287	return region_to_be_changed_signal;
288	}
289
290	sigc::signal<void, gig::Region*>& GigEdit::signal_region_changed() {
291	return region_changed_signal;
292	}
293
294	sigc::signal<void, gig::DimensionRegion*>& GigEdit::signal_dimreg_to_be_changed() {
295	return dimreg_to_be_changed_signal;
296	}
297
298	sigc::signal<void, gig::DimensionRegion*>& GigEdit::signal_dimreg_changed() {
299	return dimreg_changed_signal;
300	}
301
302	sigc::signal<void, gig::Sample*>& GigEdit::signal_sample_changed() {
303	return sample_changed_signal;
304	}
305
306	sigc::signal<void, gig::Sample/old/, gig::Sample/new/>& GigEdit::signal_sample_ref_changed() {
307	return sample_ref_changed_signal;
308	}
309
310	sigc::signal<void, int/key/, int/velocity/>& GigEdit::signal_keyboard_key_hit() {
311	return keyboard_key_hit_signal;
312	}
313
314	sigc::signal<void, int/key/, int/velocity/>& GigEdit::signal_keyboard_key_released() {
315	return keyboard_key_released_signal;
316	}
317
318	#ifdef OLD_THREADS
319	Glib::StaticMutex GigEditState::mutex = GLIBMM_STATIC_MUTEX_INIT;
320	#else
321	Glib::Threads::Mutex GigEditState::mutex;
322	#endif
323	Glib::Dispatcher* GigEditState::dispatcher = 0;
324	GigEditState* GigEditState::current = 0;
325
326	void GigEditState::open_window_static() {
327	GigEditState* c = GigEditState::current;
328	c->open.signal();
329	c->open_window();
330	}
331
332	void GigEditState::open_window() {
333	window = new MainWindow();
334
335	connect_signals(parent, window);
336	if (instrument) window->load_instrument(instrument);
337
338	window->signal_hide().connect(sigc::mem_fun(this,
339	&GigEditState::close_window));
340	window->present();
341	}
342
343	void GigEditState::close_window() {
344	delete window;
345	close.signal();
346	}
347
348	void GigEditState::main_loop_run(Cond* initialized) {
349	int argc = 1;
350	const char* argv_c[] = { "gigedit" };
351	char argv = const_cast<char>(argv_c);
352	Gtk::Main main_loop(argc, argv);
353	#ifdef __APPLE__
354	if (!gigedit_localedir.empty()) {
355	bindtextdomain("gtk20", gigedit_localedir.c_str());
356	}
357	#endif
358
359	dispatcher = new Glib::Dispatcher();
360	dispatcher->connect(sigc::ptr_fun(&GigEditState::open_window_static));
361	initialized->signal();
362
363	main_loop.run();
364	}
365
366	void GigEditState::run(gig::Instrument* pInstrument) {
367	mutex.lock(); // lock access to static variables
368
369	static bool main_loop_started = false;
370	if (!main_loop_started) {
371	Cond initialized;
372	#ifdef OLD_THREADS
373	Glib::Thread::create(
374	sigc::bind(sigc::ptr_fun(&GigEditState::main_loop_run),
375	&initialized),
376	false);
377	#else
378	Glib::Threads::Thread::create(
379	sigc::bind(sigc::ptr_fun(&GigEditState::main_loop_run),
380	&initialized));
381	#endif
382	initialized.wait();
383	main_loop_started = true;
384	}
385	instrument = pInstrument;
386	current = this;
387	dispatcher->emit();
388	open.wait(); // wait until the GUI thread has read current
389	mutex.unlock();
390	close.wait(); // sleep until window is closed
391	}
392
393	#if defined(WIN32)
394	extern "C" {
395	BOOL WINAPI DllMain(HINSTANCE instance, DWORD reason, LPVOID reserved)
396	{
397	switch (reason) {
398	case DLL_PROCESS_ATTACH:
399	gigedit_dll_handle = instance;
400	break;
401	}
402	return TRUE;
403	}
404	}
405	#endif