Commit | Line | Data |
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460b9539 | 1 | /* |
2 | * This file is part of DisOrder. | |
851bbc58 | 3 | * Copyright (C) 2006-2009 Richard Kettlewell |
460b9539 | 4 | * |
e7eb3a27 | 5 | * This program is free software: you can redistribute it and/or modify |
460b9539 | 6 | * it under the terms of the GNU General Public License as published by |
e7eb3a27 | 7 | * the Free Software Foundation, either version 3 of the License, or |
460b9539 | 8 | * (at your option) any later version. |
9 | * | |
e7eb3a27 RK |
10 | * This program is distributed in the hope that it will be useful, |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
460b9539 | 15 | * You should have received a copy of the GNU General Public License |
e7eb3a27 | 16 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
460b9539 | 17 | */ |
219dc95c RK |
18 | /** @file disobedience/control.c |
19 | * @brief Volume control and buttons | |
20 | */ | |
460b9539 | 21 | |
22 | #include "disobedience.h" | |
23 | ||
e9b70a84 | 24 | /* Forward declarations ---------------------------------------------------- */ |
25 | ||
460b9539 | 26 | struct icon; |
27 | ||
c88d925d RK |
28 | static void clicked_icon(GtkToolButton *, gpointer); |
29 | static void toggled_icon(GtkToggleToolButton *button, | |
30 | gpointer user_data); | |
ac6bf2ba | 31 | static void clicked_menu(GtkMenuItem *, gpointer userdata); |
2d504956 | 32 | static void toggled_menu(GtkCheckMenuItem *, gpointer userdata); |
460b9539 | 33 | |
fe0a1c48 MW |
34 | static int enable_playing(disorder_eclient *c, |
35 | disorder_eclient_no_response *completed, | |
36 | void *v); | |
37 | static int disable_playing(disorder_eclient *c, | |
38 | disorder_eclient_no_response *completed, | |
39 | void *v); | |
40 | static int enable_random(disorder_eclient *c, | |
41 | disorder_eclient_no_response *completed, | |
42 | void *v); | |
43 | static int disable_random(disorder_eclient *c, | |
44 | disorder_eclient_no_response *completed, | |
45 | void *v); | |
46 | static int pause_track(disorder_eclient *c, | |
47 | disorder_eclient_no_response *completed, | |
48 | void *v); | |
49 | static int resume_track(disorder_eclient *c, | |
50 | disorder_eclient_no_response *completed, | |
51 | void *v); | |
a99c4e9a RK |
52 | static int enable_rtp(disorder_eclient *c, |
53 | disorder_eclient_no_response *completed, | |
54 | void *v); | |
55 | static int disable_rtp(disorder_eclient *c, | |
56 | disorder_eclient_no_response *completed, | |
57 | void *v); | |
58 | ||
460b9539 | 59 | static double left(double v, double b); |
60 | static double right(double v, double b); | |
61 | static double volume(double l, double r); | |
62 | static double balance(double l, double r); | |
63 | ||
64 | static void volume_adjusted(GtkAdjustment *a, gpointer user_data); | |
65 | static gchar *format_volume(GtkScale *scale, gdouble value); | |
66 | static gchar *format_balance(GtkScale *scale, gdouble value); | |
67 | ||
6856f665 RK |
68 | static void icon_changed(const char *event, |
69 | void *evendata, | |
70 | void *callbackdata); | |
1f868ca3 RK |
71 | static void volume_changed(const char *event, |
72 | void *eventdata, | |
73 | void *callbackdata); | |
96295b25 RK |
74 | static void control_minimode(const char *event, |
75 | void *eventdata, | |
76 | void *callbackdata); | |
1f868ca3 | 77 | |
460b9539 | 78 | /* Control bar ------------------------------------------------------------- */ |
79 | ||
fb44b59e RK |
80 | /** @brief Guard against feedback */ |
81 | int suppress_actions = 1; | |
460b9539 | 82 | |
c88d925d RK |
83 | /** @brief Toolbar widget */ |
84 | static GtkWidget *toolbar; | |
85 | ||
fe0a1c48 MW |
86 | /** @brief Old state to restore on error |
87 | * | |
88 | * Here's the problem we're trying to solve. Suppose the user clicks the | |
89 | * `pause' button. Immediately, Gtk toggles the button's state. There's also | |
90 | * a menu item which is @i not yet updated, so we hack @c last_state and call | |
91 | * icon_changed() by hand. We send a `pause' command to the server. If all is | |
92 | * well, then we're done: we'll get a state update in the server log which will | |
93 | * match what we're already doing and everything is fine. If there's an error, | |
94 | * though, we must put @c last_state back the way we found it since there will | |
95 | * be no change reported in the server log to correct the wrong state | |
96 | * information. Also, we must untoggle the icon and menu items. | |
97 | */ | |
98 | static unsigned long restore_state; | |
99 | ||
219dc95c RK |
100 | /** @brief Definition of an icon |
101 | * | |
3849817f RK |
102 | * We have two kinds of icon: |
103 | * - action icons, which just do something but don't have a state as such | |
104 | * - toggle icons, which toggle between two states ("on" and "off"). | |
105 | * | |
106 | * The scratch button is an action icon; currently all the others are toggle | |
107 | * icons. | |
108 | * | |
109 | * (All icons can be sensitive or insensitive, separately to the above.) | |
219dc95c RK |
110 | */ |
111 | struct icon { | |
c88d925d | 112 | /** @brief TRUE to use GTK+ stock icons instead of filenames */ |
851bbc58 RK |
113 | gboolean stock; |
114 | ||
c88d925d RK |
115 | /** @brief TRUE for toggle buttons, FALSE for action buttons */ |
116 | gboolean toggle; | |
117 | ||
118 | /** @brief Filename for image or stock string */ | |
119 | const char *icon; | |
3849817f RK |
120 | |
121 | /** @brief Text for 'on' tooltip */ | |
122 | const char *tip_on; | |
219dc95c | 123 | |
851bbc58 | 124 | /** @brief Text for 'off' tooltip */ |
3849817f | 125 | const char *tip_off; |
219dc95c | 126 | |
ac6bf2ba RK |
127 | /** @brief Associated menu item or NULL */ |
128 | const char *menuitem; | |
219dc95c | 129 | |
c88d925d RK |
130 | /** @brief Label text */ |
131 | const char *label; | |
132 | ||
6856f665 RK |
133 | /** @brief Events that change this icon, separated by spaces */ |
134 | const char *events; | |
135 | ||
3849817f RK |
136 | /** @brief @ref eclient.h function to call to go from off to on |
137 | * | |
138 | * For action buttons, this should be NULL. | |
139 | */ | |
140 | int (*action_go_on)(disorder_eclient *c, | |
141 | disorder_eclient_no_response *completed, | |
142 | void *v); | |
219dc95c | 143 | |
3849817f RK |
144 | /** @brief @ref eclient.h function to call to go from on to off |
145 | * | |
146 | * For action buttons, this action is used. | |
147 | */ | |
148 | int (*action_go_off)(disorder_eclient *c, | |
149 | disorder_eclient_no_response *completed, | |
150 | void *v); | |
219dc95c | 151 | |
3849817f RK |
152 | /** @brief Get button state |
153 | * @return 1 for on, 0 for off | |
154 | */ | |
155 | int (*on)(void); | |
156 | ||
157 | /** @brief Get button sensitivity | |
158 | * @return 1 for sensitive, 0 for insensitive | |
159 | * | |
160 | * Can be NULL for always sensitive. | |
161 | */ | |
162 | int (*sensitive)(void); | |
df4ec2e9 RK |
163 | |
164 | /** @brief True if the menu item has inverse sense to the button */ | |
165 | gboolean menu_invert; | |
2d504956 | 166 | |
219dc95c | 167 | /** @brief Pointer to button */ |
460b9539 | 168 | GtkWidget *button; |
ac6bf2ba RK |
169 | |
170 | /** @brief Pointer to menu item */ | |
171 | GtkWidget *item; | |
3849817f | 172 | |
c88d925d | 173 | GtkWidget *image; |
219dc95c RK |
174 | }; |
175 | ||
3849817f | 176 | static int pause_resume_on(void) { |
c88d925d | 177 | return !!(last_state & DISORDER_TRACK_PAUSED); |
3849817f RK |
178 | } |
179 | ||
180 | static int pause_resume_sensitive(void) { | |
851bbc58 RK |
181 | return playing_track |
182 | && !!(last_state & DISORDER_PLAYING) | |
6f09d54d | 183 | && (last_rights & RIGHT_PAUSE); |
3849817f RK |
184 | } |
185 | ||
186 | static int scratch_sensitive(void) { | |
6f09d54d | 187 | return !!(last_state & DISORDER_PLAYING) |
afe9f743 | 188 | && right_scratchable(last_rights, config->username, playing_track); |
6f09d54d RK |
189 | } |
190 | ||
191 | static int random_sensitive(void) { | |
192 | return !!(last_rights & RIGHT_GLOBAL_PREFS); | |
3849817f RK |
193 | } |
194 | ||
195 | static int random_enabled(void) { | |
196 | return !!(last_state & DISORDER_RANDOM_ENABLED); | |
197 | } | |
198 | ||
6f09d54d RK |
199 | static int playing_sensitive(void) { |
200 | return !!(last_rights & RIGHT_GLOBAL_PREFS); | |
201 | } | |
202 | ||
3849817f RK |
203 | static int playing_enabled(void) { |
204 | return !!(last_state & DISORDER_PLAYING_ENABLED); | |
205 | } | |
2d504956 | 206 | |
3849817f RK |
207 | static int rtp_enabled(void) { |
208 | return rtp_is_running; | |
209 | } | |
210 | ||
211 | static int rtp_sensitive(void) { | |
212 | return rtp_supported; | |
213 | } | |
2d504956 | 214 | |
219dc95c RK |
215 | /** @brief Table of all icons */ |
216 | static struct icon icons[] = { | |
2d504956 | 217 | { |
3bd1c92f RK |
218 | .toggle = TRUE, |
219 | .stock = TRUE, | |
220 | .icon = GTK_STOCK_MEDIA_PAUSE, | |
221 | .label = "Pause", | |
222 | .tip_on = "Resume playing track", | |
223 | .tip_off = "Pause playing track", | |
224 | .menuitem = "<GdisorderMain>/Control/Playing", | |
225 | .on = pause_resume_on, | |
226 | .sensitive = pause_resume_sensitive, | |
fe0a1c48 MW |
227 | .action_go_on = pause_track, |
228 | .action_go_off = resume_track, | |
3bd1c92f RK |
229 | .events = "pause-changed playing-changed rights-changed playing-track-changed", |
230 | .menu_invert = TRUE, | |
2d504956 RK |
231 | }, |
232 | { | |
3bd1c92f RK |
233 | .stock = TRUE, |
234 | .icon = GTK_STOCK_STOP, | |
235 | .label = "Scratch", | |
236 | .tip_on = "Cancel playing track", | |
237 | .menuitem = "<GdisorderMain>/Control/Scratch", | |
238 | .sensitive = scratch_sensitive, | |
239 | .action_go_off = disorder_eclient_scratch_playing, | |
240 | .events = "playing-track-changed rights-changed", | |
2d504956 RK |
241 | }, |
242 | { | |
3bd1c92f RK |
243 | .toggle = TRUE, |
244 | .stock = FALSE, | |
245 | .icon = "cards24.png", | |
246 | .label = "Random", | |
247 | .tip_on = "Disable random play", | |
248 | .tip_off = "Enable random play", | |
249 | .menuitem = "<GdisorderMain>/Control/Random play", | |
250 | .on = random_enabled, | |
251 | .sensitive = random_sensitive, | |
fe0a1c48 MW |
252 | .action_go_on = enable_random, |
253 | .action_go_off = disable_random, | |
3bd1c92f | 254 | .events = "random-changed rights-changed", |
2d504956 RK |
255 | }, |
256 | { | |
3bd1c92f RK |
257 | .toggle = TRUE, |
258 | .stock = TRUE, | |
259 | .icon = GTK_STOCK_MEDIA_PLAY, | |
260 | .label = "Play", | |
261 | .tip_on = "Disable play", | |
262 | .tip_off = "Enable play", | |
263 | .on = playing_enabled, | |
264 | .sensitive = playing_sensitive, | |
fe0a1c48 MW |
265 | .action_go_on = enable_playing, |
266 | .action_go_off = disable_playing, | |
3bd1c92f | 267 | .events = "enabled-changed rights-changed", |
2d504956 RK |
268 | }, |
269 | { | |
3bd1c92f RK |
270 | .toggle = TRUE, |
271 | .stock = TRUE, | |
272 | .icon = GTK_STOCK_CONNECT, | |
273 | .label = "RTP", | |
274 | .tip_on = "Stop playing network stream", | |
275 | .tip_off = "Play network stream", | |
276 | .menuitem = "<GdisorderMain>/Control/Network player", | |
277 | .on = rtp_enabled, | |
278 | .sensitive = rtp_sensitive, | |
279 | .action_go_on = enable_rtp, | |
280 | .action_go_off = disable_rtp, | |
281 | .events = "rtp-changed", | |
2d504956 | 282 | }, |
460b9539 | 283 | }; |
219dc95c RK |
284 | |
285 | /** @brief Count of icons */ | |
460b9539 | 286 | #define NICONS (int)(sizeof icons / sizeof *icons) |
287 | ||
219dc95c RK |
288 | static GtkAdjustment *volume_adj; |
289 | static GtkAdjustment *balance_adj; | |
3c499fe7 RK |
290 | static GtkWidget *volume_widget; |
291 | static GtkWidget *balance_widget; | |
460b9539 | 292 | |
219dc95c | 293 | /** @brief Create the control bar */ |
e9b70a84 | 294 | GtkWidget *control_widget(void) { |
c88d925d | 295 | GtkWidget *hbox = gtk_hbox_new(FALSE, 1); |
460b9539 | 296 | int n; |
297 | ||
298 | D(("control_widget")); | |
ac6bf2ba | 299 | assert(mainmenufactory); /* ordering must be right */ |
c88d925d RK |
300 | toolbar = gtk_toolbar_new(); |
301 | /* Don't permit overflow arrow as otherwise the toolbar isn't greedy enough | |
302 | * in asking for space. The ideal is probably to make the volume and balance | |
303 | * sliders hang down from the toolbar so it unavoidably gets the whole width | |
304 | * of the window to play with. */ | |
305 | gtk_toolbar_set_show_arrow(GTK_TOOLBAR(toolbar), FALSE); | |
96e33120 MW |
306 | if(full_mode) gtk_toolbar_unset_style(GTK_TOOLBAR(toolbar)); |
307 | else gtk_toolbar_set_style(GTK_TOOLBAR(toolbar), GTK_TOOLBAR_ICONS); | |
460b9539 | 308 | for(n = 0; n < NICONS; ++n) { |
c88d925d RK |
309 | struct icon *const icon = &icons[n]; |
310 | icon->button = (icon->toggle | |
311 | ? GTK_WIDGET(gtk_toggle_tool_button_new()) | |
312 | : GTK_WIDGET(gtk_tool_button_new(NULL, NULL))); | |
3849817f | 313 | gtk_widget_set_style(icons[n].button, tool_style); |
851bbc58 RK |
314 | if(icons[n].stock) { |
315 | /* We'll use the stock icons for this one */ | |
c88d925d RK |
316 | icon->image = gtk_image_new_from_stock(icons[n].icon, |
317 | GTK_ICON_SIZE_LARGE_TOOLBAR); | |
851bbc58 RK |
318 | } else { |
319 | /* Create the 'on' image */ | |
c88d925d | 320 | icon->image = gtk_image_new_from_pixbuf(find_image(icons[n].icon)); |
851bbc58 | 321 | } |
c88d925d RK |
322 | assert(icon->image); |
323 | gtk_tool_button_set_icon_widget(GTK_TOOL_BUTTON(icon->button), | |
324 | icon->image); | |
325 | gtk_tool_button_set_label(GTK_TOOL_BUTTON(icon->button), | |
326 | icon->label); | |
327 | if(icon->toggle) | |
328 | g_signal_connect(G_OBJECT(icon->button), "toggled", | |
329 | G_CALLBACK(toggled_icon), icon); | |
330 | else | |
331 | g_signal_connect(G_OBJECT(icon->button), "clicked", | |
332 | G_CALLBACK(clicked_icon), icon); | |
333 | gtk_toolbar_insert(GTK_TOOLBAR(toolbar), | |
334 | GTK_TOOL_ITEM(icon->button), | |
335 | -1); | |
ac6bf2ba | 336 | if(icons[n].menuitem) { |
3849817f | 337 | /* Find the menu item */ |
ac6bf2ba RK |
338 | icons[n].item = gtk_item_factory_get_widget(mainmenufactory, |
339 | icons[n].menuitem); | |
c88d925d | 340 | if(icon->toggle) |
2d504956 RK |
341 | g_signal_connect(G_OBJECT(icons[n].item), "toggled", |
342 | G_CALLBACK(toggled_menu), &icons[n]); | |
3849817f | 343 | else |
2d504956 RK |
344 | g_signal_connect(G_OBJECT(icons[n].item), "activate", |
345 | G_CALLBACK(clicked_menu), &icons[n]); | |
ac6bf2ba | 346 | } |
6856f665 RK |
347 | /* Make sure the icon is updated when relevant things changed */ |
348 | char **events = split(icons[n].events, 0, 0, 0, 0); | |
349 | while(*events) | |
350 | event_register(*events++, icon_changed, &icons[n]); | |
f513e538 | 351 | event_register("connected-changed", icon_changed, &icons[n]); |
460b9539 | 352 | } |
353 | /* create the adjustments for the volume control */ | |
354 | volume_adj = GTK_ADJUSTMENT(gtk_adjustment_new(0, 0, goesupto, | |
355 | goesupto / 20, goesupto / 20, | |
356 | 0)); | |
357 | balance_adj = GTK_ADJUSTMENT(gtk_adjustment_new(0, -1, 1, | |
358 | 0.2, 0.2, 0)); | |
359 | /* the volume control */ | |
3c499fe7 | 360 | volume_widget = gtk_hscale_new(volume_adj); |
3c499fe7 RK |
361 | balance_widget = gtk_hscale_new(balance_adj); |
362 | gtk_widget_set_style(volume_widget, tool_style); | |
363 | gtk_widget_set_style(balance_widget, tool_style); | |
364 | gtk_scale_set_digits(GTK_SCALE(volume_widget), 10); | |
365 | gtk_scale_set_digits(GTK_SCALE(balance_widget), 10); | |
360af322 RK |
366 | gtk_widget_set_size_request(volume_widget, 128, -1); |
367 | gtk_widget_set_size_request(balance_widget, 128, -1); | |
a31f7a72 RK |
368 | gtk_widget_set_tooltip_text(volume_widget, "Volume"); |
369 | gtk_widget_set_tooltip_text(balance_widget, "Balance"); | |
c88d925d RK |
370 | gtk_box_pack_start(GTK_BOX(hbox), toolbar, |
371 | FALSE/*expand*/, TRUE/*fill*/, 0); | |
372 | gtk_box_pack_start(GTK_BOX(hbox), volume_widget, | |
373 | FALSE/*expand*/, TRUE/*fill*/, 0); | |
374 | gtk_box_pack_start(GTK_BOX(hbox), balance_widget, | |
375 | FALSE/*expand*/, TRUE/*fill*/, 0); | |
460b9539 | 376 | /* space updates rather than hammering the server */ |
3c499fe7 RK |
377 | gtk_range_set_update_policy(GTK_RANGE(volume_widget), GTK_UPDATE_DELAYED); |
378 | gtk_range_set_update_policy(GTK_RANGE(balance_widget), GTK_UPDATE_DELAYED); | |
460b9539 | 379 | /* notice when the adjustments are changed */ |
380 | g_signal_connect(G_OBJECT(volume_adj), "value-changed", | |
381 | G_CALLBACK(volume_adjusted), 0); | |
382 | g_signal_connect(G_OBJECT(balance_adj), "value-changed", | |
383 | G_CALLBACK(volume_adjusted), 0); | |
384 | /* format the volume/balance values ourselves */ | |
3c499fe7 | 385 | g_signal_connect(G_OBJECT(volume_widget), "format-value", |
460b9539 | 386 | G_CALLBACK(format_volume), 0); |
3c499fe7 | 387 | g_signal_connect(G_OBJECT(balance_widget), "format-value", |
460b9539 | 388 | G_CALLBACK(format_balance), 0); |
1f868ca3 | 389 | event_register("volume-changed", volume_changed, 0); |
6856f665 | 390 | event_register("rtp-changed", volume_changed, 0); |
96295b25 | 391 | event_register("mini-mode-changed", control_minimode, 0); |
460b9539 | 392 | return hbox; |
393 | } | |
394 | ||
96295b25 RK |
395 | /** @brief Return TRUE if volume setting is supported */ |
396 | static int volume_supported(void) { | |
397 | /* TODO: if the server doesn't know how to set the volume [but isn't using | |
398 | * network play] then we should have volume_supported = FALSE */ | |
af21fb6b | 399 | return 1; |
96295b25 RK |
400 | } |
401 | ||
6d1302f0 | 402 | /** @brief Update the volume control when it changes */ |
1f868ca3 RK |
403 | static void volume_changed(const char attribute((unused)) *event, |
404 | void attribute((unused)) *eventdata, | |
405 | void attribute((unused)) *callbackdata) { | |
460b9539 | 406 | double l, r; |
407 | ||
1f868ca3 | 408 | D(("volume_changed")); |
fb44b59e | 409 | ++suppress_actions; |
6856f665 | 410 | /* Only display volume/balance controls if they will work */ |
96295b25 | 411 | if(volume_supported()) { |
6856f665 | 412 | gtk_widget_show(volume_widget); |
1b0a811c RK |
413 | if(full_mode) |
414 | gtk_widget_show(balance_widget); | |
6856f665 RK |
415 | l = volume_l / 100.0; |
416 | r = volume_r / 100.0; | |
417 | gtk_adjustment_set_value(volume_adj, volume(l, r) * goesupto); | |
418 | gtk_adjustment_set_value(balance_adj, balance(l, r)); | |
419 | } else { | |
420 | gtk_widget_hide(volume_widget); | |
421 | gtk_widget_hide(balance_widget); | |
422 | } | |
fb44b59e | 423 | --suppress_actions; |
460b9539 | 424 | } |
425 | ||
ad58ebcc | 426 | /** @brief Update the state of one of the control icons |
ad58ebcc | 427 | */ |
6856f665 RK |
428 | static void icon_changed(const char attribute((unused)) *event, |
429 | void attribute((unused)) *evendata, | |
430 | void *callbackdata) { | |
00e0c652 | 431 | //fprintf(stderr, "icon_changed (%s)\n", event); |
6856f665 | 432 | const struct icon *const icon = callbackdata; |
3849817f RK |
433 | int on = icon->on ? icon->on() : 1; |
434 | int sensitive = icon->sensitive ? icon->sensitive() : 1; | |
00e0c652 | 435 | //fprintf(stderr, "sensitive->%d\n", sensitive); |
3849817f RK |
436 | |
437 | ++suppress_actions; | |
ad58ebcc | 438 | /* If the connection is down nothing is ever usable */ |
00959300 | 439 | if(!(last_state & DISORDER_CONNECTED)) |
3849817f | 440 | sensitive = 0; |
c88d925d RK |
441 | if(icon->toggle) |
442 | gtk_toggle_tool_button_set_active(GTK_TOGGLE_TOOL_BUTTON(icon->button), | |
443 | on); | |
7392b131 RK |
444 | /* If you disable play or random play NOT via the icon (for instance, via the |
445 | * edit menu or via a completely separate command line invocation) then the | |
00e0c652 | 446 | * icon shows up as insensitive. Hover the mouse over it and the correct |
7392b131 RK |
447 | * state is immediately displayed. sensitive and GTK_WIDGET_SENSITIVE show |
448 | * it to be in the correct state, so I think this is may be a GTK+ bug. */ | |
3849817f | 449 | if(icon->tip_on) |
a31f7a72 RK |
450 | gtk_widget_set_tooltip_text(icon->button, |
451 | on ? icon->tip_on : icon->tip_off); | |
3849817f RK |
452 | gtk_widget_set_sensitive(icon->button, sensitive); |
453 | /* Icons with an associated menu item */ | |
ac6bf2ba | 454 | if(icon->item) { |
c88d925d | 455 | if(icon->toggle) |
df4ec2e9 RK |
456 | gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(icon->item), |
457 | !!icon->menu_invert ^ !!on); | |
3849817f | 458 | gtk_widget_set_sensitive(icon->item, sensitive); |
ac6bf2ba | 459 | } |
3849817f | 460 | --suppress_actions; |
a99c4e9a RK |
461 | } |
462 | ||
fe0a1c48 MW |
463 | static void icon_action_completed(void *v, const char *err) { |
464 | if(err) { | |
465 | last_state = restore_state; | |
abf99697 | 466 | popup_protocol_error(0, err); |
fe0a1c48 MW |
467 | icon_changed(0, 0, v); |
468 | } | |
53fa91bb RK |
469 | } |
470 | ||
c88d925d | 471 | static void clicked_icon(GtkToolButton attribute((unused)) *button, |
460b9539 | 472 | gpointer userdata) { |
473 | const struct icon *icon = userdata; | |
474 | ||
3849817f RK |
475 | if(suppress_actions) |
476 | return; | |
c88d925d RK |
477 | icon->action_go_off(client, icon_action_completed, 0); |
478 | } | |
479 | ||
480 | static void toggled_icon(GtkToggleToolButton attribute((unused)) *button, | |
481 | gpointer user_data) { | |
482 | const struct icon *icon = user_data; | |
483 | ||
484 | if(suppress_actions) | |
485 | return; | |
fe0a1c48 | 486 | restore_state = last_state; |
c88d925d | 487 | if(icon->on()) |
3849817f RK |
488 | icon->action_go_off(client, icon_action_completed, 0); |
489 | else | |
490 | icon->action_go_on(client, icon_action_completed, 0); | |
fe0a1c48 | 491 | icon_changed(0, 0, user_data); |
460b9539 | 492 | } |
493 | ||
ac6bf2ba RK |
494 | static void clicked_menu(GtkMenuItem attribute((unused)) *menuitem, |
495 | gpointer userdata) { | |
3849817f | 496 | clicked_icon(NULL, userdata); |
ac6bf2ba RK |
497 | } |
498 | ||
3849817f | 499 | static void toggled_menu(GtkCheckMenuItem attribute((unused)) *menuitem, |
2d504956 | 500 | gpointer userdata) { |
23087773 | 501 | toggled_icon(NULL, userdata); |
2d504956 RK |
502 | } |
503 | ||
699517af RK |
504 | /** @brief Called when a volume command completes */ |
505 | static void volume_completed(void attribute((unused)) *v, | |
ad131c25 | 506 | const char *err) { |
abf99697 RK |
507 | if(err) |
508 | popup_protocol_error(0, err); | |
699517af RK |
509 | /* We don't set the UI's notion of the volume here, it is set from the log |
510 | * regardless of the reason it changed */ | |
511 | } | |
512 | ||
219dc95c | 513 | /** @brief Called when the volume has been adjusted */ |
460b9539 | 514 | static void volume_adjusted(GtkAdjustment attribute((unused)) *a, |
515 | gpointer attribute((unused)) user_data) { | |
516 | double v = gtk_adjustment_get_value(volume_adj) / goesupto; | |
517 | double b = gtk_adjustment_get_value(balance_adj); | |
518 | ||
fb44b59e | 519 | if(suppress_actions) |
460b9539 | 520 | /* This is the result of an update from the server, not a change from the |
521 | * user. Don't feedback! */ | |
522 | return; | |
523 | D(("volume_adjusted")); | |
524 | /* force to 'stereotypical' values */ | |
525 | v = nearbyint(100 * v) / 100; | |
526 | b = nearbyint(5 * b) / 5; | |
527 | /* Set the volume. We don't want a reply, we'll get the actual new volume | |
528 | * from the log. */ | |
321f7536 RK |
529 | if(rtp_supported) { |
530 | int l = nearbyint(left(v, b) * 100), r = nearbyint(right(v, b) * 100); | |
af21fb6b | 531 | rtp_setvol(&l, &r); |
321f7536 | 532 | } else |
ad131c25 RK |
533 | disorder_eclient_set_volume(client, volume_completed, |
534 | nearbyint(left(v, b) * 100), | |
535 | nearbyint(right(v, b) * 100), | |
536 | 0); | |
460b9539 | 537 | } |
538 | ||
219dc95c | 539 | /** @brief Formats the volume value */ |
460b9539 | 540 | static gchar *format_volume(GtkScale attribute((unused)) *scale, |
541 | gdouble value) { | |
542 | char s[32]; | |
543 | ||
544 | snprintf(s, sizeof s, "%.1f", (double)value); | |
2fc4475d | 545 | return g_strdup(s); |
460b9539 | 546 | } |
547 | ||
219dc95c | 548 | /** @brief Formats the balance value */ |
460b9539 | 549 | static gchar *format_balance(GtkScale attribute((unused)) *scale, |
550 | gdouble value) { | |
551 | char s[32]; | |
552 | ||
553 | if(fabs(value) < 0.1) | |
2fc4475d | 554 | return g_strdup("0"); |
460b9539 | 555 | snprintf(s, sizeof s, "%+.1f", (double)value); |
2fc4475d | 556 | return g_strdup(s); |
460b9539 | 557 | } |
558 | ||
559 | /* Volume mapping. We consider left, right, volume to be in [0,1] | |
560 | * and balance to be in [-1,1]. | |
561 | * | |
562 | * First, we just have volume = max(left, right). | |
563 | * | |
564 | * Balance we consider to linearly represent the amount by which the quieter | |
565 | * channel differs from the louder. In detail: | |
566 | * | |
567 | * if right > left then balance > 0: | |
568 | * balance = 0 => left = right (as an endpoint, not an instance) | |
569 | * balance = 1 => left = 0 | |
570 | * fitting to linear, left = right * (1 - balance) | |
571 | * so balance = 1 - left / right | |
572 | * (right > left => right > 0 so no division by 0.) | |
573 | * | |
574 | * if left > right then balance < 0: | |
575 | * balance = 0 => right = left (same caveat as above) | |
576 | * balance = -1 => right = 0 | |
577 | * again fitting to linear, right = left * (1 + balance) | |
578 | * so balance = right / left - 1 | |
579 | * (left > right => left > 0 so no division by 0.) | |
580 | * | |
581 | * if left = right then we just have balance = 0. | |
582 | * | |
583 | * Thanks to Clive and Andrew. | |
584 | */ | |
585 | ||
219dc95c | 586 | /** @brief Return the greater of @p x and @p y */ |
460b9539 | 587 | static double max(double x, double y) { |
588 | return x > y ? x : y; | |
589 | } | |
590 | ||
219dc95c | 591 | /** @brief Compute the left channel volume */ |
460b9539 | 592 | static double left(double v, double b) { |
593 | if(b > 0) /* volume = right */ | |
594 | return v * (1 - b); | |
595 | else /* volume = left */ | |
596 | return v; | |
597 | } | |
598 | ||
219dc95c | 599 | /** @brief Compute the right channel volume */ |
460b9539 | 600 | static double right(double v, double b) { |
601 | if(b > 0) /* volume = right */ | |
602 | return v; | |
603 | else /* volume = left */ | |
604 | return v * (1 + b); | |
605 | } | |
606 | ||
219dc95c | 607 | /** @brief Compute the overall volume */ |
460b9539 | 608 | static double volume(double l, double r) { |
609 | return max(l, r); | |
610 | } | |
611 | ||
219dc95c | 612 | /** @brief Compute the balance */ |
460b9539 | 613 | static double balance(double l, double r) { |
614 | if(l > r) | |
615 | return r / l - 1; | |
616 | else if(r > l) | |
617 | return 1 - l / r; | |
618 | else /* left = right */ | |
619 | return 0; | |
620 | } | |
621 | ||
fe0a1c48 MW |
622 | /** @brief Called to enable jukebox playback */ |
623 | static int enable_playing(disorder_eclient *c, | |
624 | disorder_eclient_no_response *completed, void *v) { | |
625 | last_state |= DISORDER_PLAYING; | |
626 | return disorder_eclient_enable(c, completed, v); | |
627 | } | |
628 | ||
629 | /** @brief Called to disable jukebox playback */ | |
630 | static int disable_playing(disorder_eclient *c, | |
631 | disorder_eclient_no_response *completed, void *v) { | |
632 | last_state &= ~DISORDER_PLAYING; | |
633 | return disorder_eclient_disable(c, completed, v); | |
634 | } | |
635 | ||
636 | /** @brief Called to enable random selection */ | |
637 | static int enable_random(disorder_eclient *c, | |
638 | disorder_eclient_no_response *completed, void *v) { | |
639 | last_state |= DISORDER_RANDOM_ENABLED; | |
640 | return disorder_eclient_random_enable(c, completed, v); | |
641 | } | |
642 | ||
643 | /** @brief Called to disable random selection */ | |
644 | static int disable_random(disorder_eclient *c, | |
645 | disorder_eclient_no_response *completed, void *v) { | |
646 | last_state &= ~DISORDER_RANDOM_ENABLED; | |
647 | return disorder_eclient_random_disable(c, completed, v); | |
648 | } | |
649 | ||
650 | /** @brief Called to pause the current track */ | |
651 | static int pause_track(disorder_eclient *c, | |
652 | disorder_eclient_no_response *completed, void *v) { | |
653 | last_state |= DISORDER_TRACK_PAUSED; | |
654 | return disorder_eclient_pause(c, completed, v); | |
655 | } | |
656 | ||
657 | /** @brief Called to resume the current track */ | |
658 | static int resume_track(disorder_eclient *c, | |
659 | disorder_eclient_no_response *completed, void *v) { | |
660 | last_state &= ~DISORDER_TRACK_PAUSED; | |
661 | return disorder_eclient_resume(c, completed, v); | |
662 | } | |
663 | ||
a99c4e9a RK |
664 | /** @brief Called to enable RTP play |
665 | * | |
666 | * Rather odd signature is to fit in with the other icons which all call @ref | |
667 | * lib/eclient.h functions. | |
668 | */ | |
669 | static int enable_rtp(disorder_eclient attribute((unused)) *c, | |
670 | disorder_eclient_no_response attribute((unused)) *completed, | |
671 | void attribute((unused)) *v) { | |
672 | start_rtp(); | |
fe0a1c48 | 673 | rtp_is_running = 1; |
a99c4e9a RK |
674 | return 0; |
675 | } | |
676 | ||
677 | /** @brief Called to disable RTP play | |
678 | * | |
679 | * Rather odd signature is to fit in with the other icons which all call @ref | |
680 | * lib/eclient.h functions. | |
681 | */ | |
682 | static int disable_rtp(disorder_eclient attribute((unused)) *c, | |
683 | disorder_eclient_no_response attribute((unused)) *completed, | |
684 | void attribute((unused)) *v) { | |
685 | stop_rtp(); | |
fe0a1c48 | 686 | rtp_is_running = 0; |
a99c4e9a RK |
687 | return 0; |
688 | } | |
689 | ||
96295b25 RK |
690 | static void control_minimode(const char attribute((unused)) *event, |
691 | void attribute((unused)) *evendata, | |
692 | void attribute((unused)) *callbackdata) { | |
faa19503 | 693 | if(full_mode && volume_supported()) { |
96295b25 | 694 | gtk_widget_show(balance_widget); |
faa19503 RK |
695 | gtk_scale_set_value_pos(GTK_SCALE(volume_widget), GTK_POS_TOP); |
696 | } else { | |
96295b25 | 697 | gtk_widget_hide(balance_widget); |
faa19503 RK |
698 | gtk_scale_set_value_pos(GTK_SCALE(volume_widget), GTK_POS_RIGHT); |
699 | } | |
96e33120 MW |
700 | if(full_mode) gtk_toolbar_unset_style(GTK_TOOLBAR(toolbar)); |
701 | else gtk_toolbar_set_style(GTK_TOOLBAR(toolbar), GTK_TOOLBAR_ICONS); | |
96295b25 RK |
702 | } |
703 | ||
460b9539 | 704 | /* |
705 | Local Variables: | |
706 | c-basic-offset:2 | |
707 | comment-column:40 | |
708 | fill-column:79 | |
709 | indent-tabs-mode:nil | |
710 | End: | |
711 | */ |