1 /* -*- Mode: C ; c-basic-offset: 2 -*- */
3 * LADI Session Handler (ladish)
5 * Copyright (C) 2008, 2009 Nedko Arnaudov <nedko@arnaudov.name>
6 * Copyright (C) 2007 Dave Robillard <http://drobilla.net>
8 **************************************************************************
9 * This file contains the code that implements main() and other top-level functionality
10 **************************************************************************
12 * LADI Session Handler is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2 of the License, or
15 * (at your option) any later version.
17 * LADI Session Handler is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
22 * You should have received a copy of the GNU General Public License
23 * along with LADI Session Handler. If not, see <http://www.gnu.org/licenses/>
24 * or write to the Free Software Foundation, Inc.,
25 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
34 #include "graph_canvas.h"
35 #include "../jack_proxy.h"
36 #include "dbus_helpers.h"
37 #include "control_proxy.h"
38 #include "../dbus_constants.h"
39 #include "world_tree.h"
40 #include "graph_view.h"
41 #include "../catdup.h"
42 #include "../studio_proxy.h"
44 GtkWidget
* g_main_win
;
46 GtkWidget
* g_clear_load_button
;
47 GtkWidget
* g_xrun_progress_bar
;
48 GtkWidget
* g_buffer_size_combo
;
50 GtkWidget
* g_menu_item_save_studio
;
51 GtkWidget
* g_menu_item_rename_studio
;
52 GtkWidget
* g_menu_item_create_room
;
53 GtkWidget
* g_menu_item_destroy_room
;
54 GtkWidget
* g_menu_item_load_project
;
55 GtkWidget
* g_menu_item_start_app
;
57 GtkWidget
* g_rename_dialog
;
59 graph_view_handle g_jack_view
= NULL
;
60 graph_view_handle g_studio_view
= NULL
;
62 static guint g_jack_poll_source_tag
;
63 static double g_jack_max_dsp_load
= 0.0;
67 gtkmm_get_ink_pixel_size (Glib::RefPtr
<Pango::Layout
> layout
,
71 Pango::Rectangle ink_rect
= layout
->get_ink_extents ();
73 width
= (ink_rect
.get_width() + PANGO_SCALE
/ 2) / PANGO_SCALE
;
74 height
= (ink_rect
.get_height() + PANGO_SCALE
/ 2) / PANGO_SCALE
;
78 gtkmm_set_width_for_given_text (Gtk::Widget
&w
, const gchar
*text
,
79 gint hpadding
/*, gint vpadding*/)
82 int old_width
, old_height
;
83 w
.get_size_request(old_width
, old_height
);
88 gtkmm_get_ink_pixel_size (w
.create_pango_layout (text
), width
, height
);
89 w
.set_size_request(width
+ hpadding
, old_height
);//height + vpadding);
94 static void set_buffer_size_combo_width(void)
96 //gtkmm_set_width_for_given_text(*_buffer_size_combo, "4096 frames", 40);
99 static void buffer_size_clear()
101 gtk_entry_set_text(GTK_ENTRY(get_glade_widget("comboboxentry")), "");
104 static void buffer_size_set(uint32_t size
)
106 gtk_combo_box_set_active(GTK_COMBO_BOX(g_buffer_size_combo
), (int)log2f(size
) - 5);
109 static void buffer_size_change_request(void)
111 const int selected
= gtk_combo_box_get_active(GTK_COMBO_BOX(g_buffer_size_combo
));
113 if (selected
< 0 || !jack_proxy_set_buffer_size(1 << (selected
+ 5)))
115 lash_error("cannot set JACK buffer size");
120 static void update_buffer_size(void)
124 if (jack_proxy_get_buffer_size(&size
))
126 buffer_size_set(size
);
134 static void update_load(void)
140 if (!jack_proxy_get_xruns(&xruns
) || !jack_proxy_get_dsp_load(&load
))
142 gtk_progress_bar_set_text(GTK_PROGRESS_BAR(g_xrun_progress_bar
), "error");
143 gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(g_xrun_progress_bar
), 0.0);
146 snprintf(tmp_buf
, sizeof(tmp_buf
), "%" PRIu32
" Dropouts", xruns
);
147 gtk_progress_bar_set_text(GTK_PROGRESS_BAR(g_xrun_progress_bar
), tmp_buf
);
149 load
/= 100.0; // dbus returns it in percents, we use 0..1
151 if (load
> g_jack_max_dsp_load
)
153 g_jack_max_dsp_load
= load
;
154 gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(g_xrun_progress_bar
), load
);
158 static void clear_load(void)
160 jack_proxy_reset_xruns();
161 g_jack_max_dsp_load
= 0.0;
162 gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(g_xrun_progress_bar
), 0.0);
165 bool rename_dialog(const char * object
, const char * old_name
, char ** new_name
)
169 GtkEntry
* entry
= GTK_ENTRY(get_glade_widget("rename_entry"));
171 gtk_widget_show(g_rename_dialog
);
173 gtk_label_set_text(GTK_LABEL(get_glade_widget("rename_label")), object
);
174 gtk_entry_set_text(entry
, old_name
);
175 gtk_editable_select_region(GTK_EDITABLE(entry
), 0, -1);
177 result
= gtk_dialog_run(GTK_DIALOG(g_rename_dialog
));
178 renamed
= result
== 2;
181 *new_name
= strdup(gtk_entry_get_text(entry
));
182 if (*new_name
== NULL
)
184 lash_error("strdup failed for new name (rename)");
189 gtk_widget_hide(g_rename_dialog
);
194 static void arrange(void)
196 canvas_handle canvas
;
198 lash_info("arrange request");
200 canvas
= get_current_canvas();
203 canvas_arrange(canvas
);
207 static void save_studio(void)
209 lash_info("save studio request");
210 if (!studio_proxy_save())
212 lash_error("studio save failed");
216 static void rename_studio(void)
220 if (rename_dialog("Studio name", get_view_name(g_studio_view
), &new_name
))
222 if (!studio_proxy_rename(new_name
))
224 lash_error("studio rename failed");
231 static gboolean
poll_jack(gpointer data
)
234 update_buffer_size();
239 void control_proxy_on_studio_appeared(void)
243 if (!studio_proxy_get_name(&name
))
245 lash_error("failed to get studio name");
249 if (g_studio_view
!= NULL
)
251 lash_error("studio appear signal received but studio already exists");
255 if (!create_view(name
, SERVICE_NAME
, STUDIO_OBJECT_PATH
, false, &g_studio_view
))
257 lash_error("create_view() failed for studio");
261 gtk_widget_set_sensitive(g_menu_item_save_studio
, true);
262 gtk_widget_set_sensitive(g_menu_item_rename_studio
, true);
263 gtk_widget_set_sensitive(g_menu_item_create_room
, true);
264 gtk_widget_set_sensitive(g_menu_item_destroy_room
, true);
265 gtk_widget_set_sensitive(g_menu_item_load_project
, true);
266 gtk_widget_set_sensitive(g_menu_item_start_app
, true);
275 void control_proxy_on_studio_disappeared(void)
277 if (g_studio_view
== NULL
)
279 lash_error("studio disappear signal received but studio does not exists");
283 gtk_widget_set_sensitive(g_menu_item_save_studio
, false);
284 gtk_widget_set_sensitive(g_menu_item_rename_studio
, false);
285 gtk_widget_set_sensitive(g_menu_item_create_room
, false);
286 gtk_widget_set_sensitive(g_menu_item_destroy_room
, false);
287 gtk_widget_set_sensitive(g_menu_item_load_project
, false);
288 gtk_widget_set_sensitive(g_menu_item_start_app
, false);
290 if (g_studio_view
!= NULL
)
292 destroy_view(g_studio_view
);
293 g_studio_view
= NULL
;
297 static void on_studio_renamed(const char * new_studio_name
)
299 if (g_studio_view
!= NULL
)
301 set_view_name(g_studio_view
, new_studio_name
);
305 void jack_started(void)
307 lash_info("JACK started");
309 gtk_widget_set_sensitive(g_buffer_size_combo
, true);
310 gtk_widget_set_sensitive(g_clear_load_button
, true);
312 g_jack_poll_source_tag
= g_timeout_add(100, poll_jack
, NULL
);
315 void jack_stopped(void)
317 lash_info("JACK stopped");
319 g_source_remove(g_jack_poll_source_tag
);
321 gtk_widget_set_sensitive(g_buffer_size_combo
, false);
323 gtk_widget_set_sensitive(g_clear_load_button
, false);
324 gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(g_xrun_progress_bar
), 0.0);
327 void jack_appeared(void)
329 lash_info("JACK appeared");
331 if (!create_view("Raw JACK", JACKDBUS_SERVICE_NAME
, JACKDBUS_OBJECT_PATH
, true, &g_jack_view
))
333 lash_error("create_view() failed for jack");
338 void jack_disappeared(void)
340 lash_info("JACK disappeared");
342 if (g_jack_view
!= NULL
)
344 destroy_view(g_jack_view
);
350 set_main_window_title(
351 graph_view_handle view
)
353 char * title
= catdup(get_view_name(view
), " - LADI Session Handler");
354 gtk_window_set_title(GTK_WINDOW(g_main_win
), title
);
358 int main(int argc
, char** argv
)
360 gtk_init(&argc
, &argv
);
364 lash_error("Canvas initialization failed.");
373 g_main_win
= get_glade_widget("main_win");
374 g_clear_load_button
= get_glade_widget("clear_load_button");
375 g_xrun_progress_bar
= get_glade_widget("xrun_progress_bar");
376 g_buffer_size_combo
= get_glade_widget("buffer_size_combo");
377 g_menu_item_save_studio
= get_glade_widget("menu_item_save_studio");
378 g_menu_item_rename_studio
= get_glade_widget("menu_item_rename_studio");
379 g_menu_item_create_room
= get_glade_widget("menu_item_create_room");
380 g_menu_item_destroy_room
= get_glade_widget("menu_item_destroy_room");
381 g_menu_item_load_project
= get_glade_widget("menu_item_load_project");
382 g_menu_item_start_app
= get_glade_widget("menu_item_start_app");
384 g_rename_dialog
= get_glade_widget("rename_dialog");
389 patchage_dbus_init();
391 if (!jack_proxy_init(jack_started
, jack_stopped
, jack_appeared
, jack_disappeared
))
396 if (!control_proxy_init())
401 if (!studio_proxy_init())
406 studio_proxy_set_renamed_callback(on_studio_renamed
);
408 set_buffer_size_combo_width();
410 g_signal_connect(G_OBJECT(g_main_win
), "destroy", G_CALLBACK(gtk_main_quit
), NULL
);
411 g_signal_connect(G_OBJECT(get_glade_widget("menu_item_quit")), "activate", G_CALLBACK(gtk_main_quit
), NULL
);
412 g_signal_connect(G_OBJECT(g_buffer_size_combo
), "changed", G_CALLBACK(buffer_size_change_request
), NULL
);
413 g_signal_connect(G_OBJECT(g_clear_load_button
), "clicked", G_CALLBACK(clear_load
), NULL
);
414 g_signal_connect(G_OBJECT(get_glade_widget("menu_item_view_arrange")), "activate", G_CALLBACK(arrange
), NULL
);
415 g_signal_connect(G_OBJECT(g_menu_item_save_studio
), "activate", G_CALLBACK(save_studio
), NULL
);
416 g_signal_connect(G_OBJECT(g_menu_item_rename_studio
), "activate", G_CALLBACK(rename_studio
), NULL
);
418 gtk_widget_show(g_main_win
);
420 arrange(); /* XXX: initial arrange of jack graph */
422 //_about_win->set_transient_for(*_main_win);
426 studio_proxy_uninit();
427 control_proxy_uninit();