src/modules/mixer/app_mixer.c

   1 #include "e_mod_main.h"
   2
   3 extern const char _e_mixer_Name[];
   4
   5 typedef struct E_Mixer_App_Dialog_Data
   6 {
   7    E_Mixer_System *sys;
   8    const char *card;
   9    const char *channel_name;
  10    int lock_sliders;
  11    Eina_List *cards;
  12    Eina_List *channels_infos;
  13    struct channel_info *channel_info;
  14    E_Mixer_Channel_State state;
  15
  16    struct e_mixer_app_ui
  17    {
  18       Evas_Object *hlayout;
  19       struct e_mixer_app_ui_cards
  20       {
  21          Evas_Object *frame;
  22          Evas_Object *list;
  23       } cards;
  24       struct e_mixer_app_ui_channels
  25       {
  26          Evas_Object *frame;
  27          Evas_Object *list;
  28       } channels;
  29       struct e_mixer_app_ui_channel_editor
  30       {
  31          Evas_Object *frame;
  32          Evas_Object *label_card;
  33          Evas_Object *card;
  34          Evas_Object *label_channel;
  35          Evas_Object *channel;
  36          Evas_Object *label_type;
  37          Evas_Object *type;
  38          Evas_Object *label_left;
  39          Evas_Object *left;
  40          Evas_Object *label_right;
  41          Evas_Object *right;
  42          Evas_Object *mute;
  43          Evas_Object *lock_sliders;
  44       } channel_editor;
  45    } ui;
  46
  47    struct
  48    {
  49       void *data;
  50       void (*func)(E_Dialog *dialog, void *data);
  51    } del;
  52 } E_Mixer_App_Dialog_Data;
  53
  54 struct channel_info
  55 {
  56    int has_capture;
  57    const char *name;
  58    E_Mixer_Channel *id;
  59    E_Mixer_App_Dialog_Data *app;
  60 };
  61
  62 static void
  63 _cb_changed_left(void *data, Evas_Object *obj __UNUSED__)
  64 {
  65    E_Mixer_App_Dialog_Data *app = data;
  66    E_Mixer_Channel_State *state;
  67
  68    state = &app->state;
  69    if (app->lock_sliders && (state->left != state->right))
  70      {
  71         state->right = state->left;
  72         e_widget_slider_value_int_set(app->ui.channel_editor.right,
  73                                       state->right);
  74      }
  75
  76    e_mixer_system_set_volume(app->sys, app->channel_info->id,
  77                              state->left, state->right);
  78 }
  79
  80 static void
  81 _cb_changed_right(void *data, Evas_Object *obj __UNUSED__)
  82 {
  83    E_Mixer_App_Dialog_Data *app = data;
  84    E_Mixer_Channel_State *state;
  85
  86    state = &app->state;
  87    if (app->lock_sliders && (state->right != state->left))
  88      {
  89         state->left = state->right;
  90         e_widget_slider_value_int_set(app->ui.channel_editor.left,
  91                                       state->left);
  92      }
  93
  94    e_mixer_system_set_volume(app->sys, app->channel_info->id,
  95                              state->left, state->right);
  96 }
  97
  98 static void
  99 _cb_changed_mute(void *data, Evas_Object *obj __UNUSED__)
 100 {
 101    E_Mixer_App_Dialog_Data *app = data;
 102
 103    e_mixer_system_set_mute(app->sys, app->channel_info->id, app->state.mute);
 104 }
 105
 106 static void
 107 _cb_changed_lock_sliders(void *data, Evas_Object *obj __UNUSED__)
 108 {
 109    E_Mixer_App_Dialog_Data *app = data;
 110    E_Mixer_Channel_State *state;
 111
 112    if (!app->lock_sliders)
 113      return;
 114
 115    state = &app->state;
 116    if (state->left == state->right)
 117      return;
 118
 119    state->left = state->right = (state->left + state->right) / 2;
 120
 121    e_widget_slider_value_int_set(app->ui.channel_editor.left, state->left);
 122    e_widget_slider_value_int_set(app->ui.channel_editor.right, state->right);
 123    e_mixer_system_set_volume(app->sys, app->channel_info->id,
 124                              state->left, state->right);
 125 }
 126
 127 static void
 128 _update_channel_editor_state(E_Mixer_App_Dialog_Data *app, const E_Mixer_Channel_State state)
 129 {
 130    struct e_mixer_app_ui_channel_editor *ui = &app->ui.channel_editor;
 131
 132    e_widget_slider_value_int_set(ui->left, state.left);
 133    e_widget_slider_value_int_set(ui->right, state.right);
 134
 135    if (e_mixer_system_can_mute(app->sys, app->channel_info->id))
 136      {
 137         e_widget_disabled_set(ui->mute, 0);
 138         e_widget_check_checked_set(ui->mute, state.mute);
 139      }
 140    else
 141      {
 142         e_widget_disabled_set(ui->mute, 1);
 143         e_widget_check_checked_set(ui->mute, 0);
 144      }
 145 }
 146
 147 static void
 148 _populate_channel_editor(E_Mixer_App_Dialog_Data *app)
 149 {
 150    struct e_mixer_app_ui_channel_editor *ui = &app->ui.channel_editor;
 151    E_Mixer_Channel_State state;
 152    const char *card_name;
 153
 154    card_name = e_mixer_system_get_card_name(app->card);
 155    e_widget_entry_text_set(ui->card, card_name);
 156    eina_stringshare_del(card_name);
 157
 158    e_widget_entry_text_set(ui->channel, app->channel_name);
 159
 160    if (e_mixer_system_has_capture(app->sys, app->channel_info->id))
 161      e_widget_entry_text_set(ui->type, _("Capture"));
 162    else
 163      e_widget_entry_text_set(ui->type, _("Playback"));
 164
 165    e_mixer_system_get_state(app->sys, app->channel_info->id, &state);
 166    _update_channel_editor_state(app, state);
 167
 168    app->lock_sliders = (state.left == state.right);
 169    e_widget_check_checked_set(ui->lock_sliders, app->lock_sliders);
 170 }
 171
 172 static void
 173 _cb_channel_selected(void *data)
 174 {
 175    struct channel_info *info = data;
 176    E_Mixer_App_Dialog_Data *app;
 177
 178    app = info->app;
 179    app->channel_info = info;
 180    _populate_channel_editor(app);
 181 }
 182
 183 static int
 184 _channel_info_cmp(const void *data_a, const void *data_b)
 185 {
 186    const struct channel_info *a = data_a, *b = data_b;
 187
 188    if (a->has_capture < b->has_capture)
 189      return -1;
 190    else if (a->has_capture > b->has_capture)
 191      return 1;
 192
 193    return strcmp(a->name, b->name);
 194 }
 195
 196 static Eina_List *
 197 _channels_info_new(E_Mixer_System *sys)
 198 {
 199    Eina_List *channels, *channels_infos, *l;
 200
 201    channels = e_mixer_system_get_channels(sys);
 202    channels_infos = NULL;
 203    for (l = channels; l; l = l->next)
 204      {
 205         struct channel_info *info;
 206
 207         info = malloc(sizeof(*info));
 208         info->id = l->data;
 209         info->name = e_mixer_system_get_channel_name(sys, info->id);
 210         info->has_capture = e_mixer_system_has_capture(sys, info->id);
 211
 212         channels_infos = eina_list_append(channels_infos, info);
 213      }
 214    e_mixer_system_free_channels(channels);
 215
 216    return eina_list_sort(channels_infos, -1, _channel_info_cmp);
 217 }
 218
 219 static void
 220 _channels_info_free(Eina_List *list)
 221 {
 222    struct channel_info *info;
 223
 224    EINA_LIST_FREE(list, info)
 225      {
 226         eina_stringshare_del(info->name);
 227         free(info);
 228      }
 229 }
 230
 231 static int
 232 _cb_system_update(void *data, E_Mixer_System *sys __UNUSED__)
 233 {
 234    E_Mixer_App_Dialog_Data *app = data;
 235    E_Mixer_Channel_State state;
 236
 237    if ((!app->sys) || (!app->channel_info))
 238      return 1;
 239
 240    e_mixer_system_get_state(app->sys, app->channel_info->id, &state);
 241    _update_channel_editor_state(app, state);
 242
 243    return 1;
 244 }
 245
 246
 247 static void
 248 _populate_channels(E_Mixer_App_Dialog_Data *app)
 249 {
 250    Eina_List *l;
 251    Evas_Object *ilist;
 252    int header_input;
 253    int i;
 254
 255    ilist = app->ui.channels.list;
 256    edje_freeze();
 257    e_widget_ilist_freeze(ilist);
 258    e_widget_ilist_clear(ilist);
 259
 260    if (app->sys)
 261      e_mixer_system_del(app->sys);
 262    app->sys = e_mixer_system_new(app->card);
 263    e_mixer_system_callback_set(app->sys, _cb_system_update, app);
 264
 265    eina_stringshare_del(app->channel_name);
 266    app->channel_name = e_mixer_system_get_default_channel_name(app->sys);
 267
 268    if (app->channels_infos)
 269      _channels_info_free(app->channels_infos);
 270    app->channels_infos = _channels_info_new(app->sys);
 271
 272    if (app->channels_infos)
 273      {
 274         struct channel_info *info = app->channels_infos->data;
 275         if (info->has_capture)
 276           {
 277              e_widget_ilist_header_append(ilist, NULL, _("Input"));
 278              header_input = 1;
 279              i = 1;
 280           }
 281         else
 282           {
 283              e_widget_ilist_header_append(ilist, NULL, _("Output"));
 284              header_input = 0;
 285              i = 1;
 286           }
 287      }
 288
 289    for (l = app->channels_infos; l; l = l->next, i++)
 290      {
 291         struct channel_info *info = l->data;
 292
 293         if ((!header_input) && info->has_capture)
 294           {
 295              e_widget_ilist_header_append(ilist, NULL, _("Input"));
 296              header_input = 1;
 297              i++;
 298           }
 299
 300         info->app = app;
 301         e_widget_ilist_append(ilist, NULL, info->name, _cb_channel_selected,
 302                               info, info->name);
 303         if (app->channel_name && info->name &&
 304             (strcmp(app->channel_name, info->name) == 0))
 305           {
 306              e_widget_ilist_selected_set(ilist, i);
 307              app->channel_info = info;
 308           }
 309      }
 310
 311    e_widget_ilist_go(ilist);
 312    e_widget_ilist_thaw(ilist);
 313    edje_thaw();
 314 }
 315
 316 static void
 317 select_card(E_Mixer_App_Dialog_Data *app)
 318 {
 319    _populate_channels(app);
 320    e_widget_ilist_selected_set(app->ui.channels.list, 1);
 321 }
 322
 323 static void
 324 _cb_card_selected(void *data)
 325 {
 326    select_card(data);
 327 }
 328
 329 static void
 330 _create_cards(E_Dialog *dialog __UNUSED__, Evas *evas, E_Mixer_App_Dialog_Data *app)
 331 {
 332    struct e_mixer_app_ui_cards *ui = &app->ui.cards;
 333    const char *card;
 334    Eina_List *l;
 335
 336    app->card = e_mixer_system_get_default_card();
 337    app->cards = e_mixer_system_get_cards();
 338    if (eina_list_count(app->cards) < 2)
 339      return;
 340
 341    ui->list = e_widget_ilist_add(evas, 32, 32, &app->card);
 342    e_widget_size_min_set(ui->list, 180, 100);
 343    e_widget_ilist_go(ui->list);
 344    EINA_LIST_FOREACH(app->cards, l, card)
 345      {
 346         const char *card_name;
 347
 348         card_name = e_mixer_system_get_card_name(card);
 349
 350         e_widget_ilist_append(ui->list, NULL, card_name, _cb_card_selected,
 351                               app, card);
 352
 353         eina_stringshare_del(card_name);
 354      }
 355
 356    ui->frame = e_widget_framelist_add(evas, _("Cards"), 0);
 357    e_widget_framelist_object_append(ui->frame, ui->list);
 358    e_widget_list_object_append(app->ui.hlayout, ui->frame, 1, 0, 0.0);
 359 }
 360
 361 static void
 362 _create_channels(E_Dialog *dialog __UNUSED__, Evas *evas, E_Mixer_App_Dialog_Data *app)
 363 {
 364    struct e_mixer_app_ui_channels *ui = &app->ui.channels;
 365    ui->list = e_widget_ilist_add(evas, 24, 24, &app->channel_name);
 366    e_widget_size_min_set(ui->list, 180, 100);
 367    e_widget_ilist_go(ui->list);
 368
 369    ui->frame = e_widget_framelist_add(evas, _("Channels"), 0);
 370    e_widget_framelist_object_append(ui->frame, ui->list);
 371    e_widget_list_object_append(app->ui.hlayout, ui->frame, 1, 1, 0.0);
 372 }
 373
 374 static void
 375 _create_channel_editor(E_Dialog *dialog __UNUSED__, Evas *evas, E_Mixer_App_Dialog_Data *app)
 376 {
 377    struct e_mixer_app_ui_channel_editor *ui = &app->ui.channel_editor;
 378
 379    ui->label_card = e_widget_label_add(evas, _("Card:"));
 380    ui->card = e_widget_entry_add(evas, NULL, NULL, NULL, NULL);
 381    e_widget_entry_readonly_set(ui->card, 1);
 382
 383    ui->label_channel = e_widget_label_add(evas, _("Channel:"));
 384    ui->channel = e_widget_entry_add(evas, NULL, NULL, NULL, NULL);
 385    e_widget_entry_readonly_set(ui->channel, 1);
 386
 387    ui->label_type = e_widget_label_add(evas, _("Type:"));
 388    ui->type = e_widget_entry_add(evas, NULL, NULL, NULL, NULL);
 389    e_widget_entry_readonly_set(ui->type, 1);
 390
 391    ui->label_left = e_widget_label_add(evas, _("Left:"));
 392    ui->left = e_widget_slider_add(evas, 1, 0, "%3.0f", 0.0, 100.0, 10.0, 100.0,
 393                                   NULL, &app->state.left, 150);
 394    e_widget_on_change_hook_set(ui->left, _cb_changed_left, app);
 395
 396    ui->label_right = e_widget_label_add(evas, _("Right:"));
 397    ui->right = e_widget_slider_add(evas, 1, 0, "%3.0f", 0.0, 100.0, 10.0, 100.0,
 398                                    NULL, &app->state.right, 150);
 399    e_widget_on_change_hook_set(ui->right, _cb_changed_right, app);
 400
 401    ui->mute = e_widget_check_add(evas, _("Mute"), &app->state.mute);
 402    e_widget_on_change_hook_set(ui->mute, _cb_changed_mute, app);
 403
 404    ui->lock_sliders = e_widget_check_add(evas, _("Lock Sliders"),
 405                                          &app->lock_sliders);
 406    e_widget_on_change_hook_set(ui->lock_sliders, _cb_changed_lock_sliders, app);
 407
 408    ui->frame = e_widget_framelist_add(evas, _("Edit"), 0);
 409    e_widget_framelist_object_append(ui->frame, ui->label_card);
 410    e_widget_framelist_object_append(ui->frame, ui->card);
 411    e_widget_framelist_object_append(ui->frame, ui->label_channel);
 412    e_widget_framelist_object_append(ui->frame, ui->channel);
 413    e_widget_framelist_object_append(ui->frame, ui->label_type);
 414    e_widget_framelist_object_append(ui->frame, ui->type);
 415    e_widget_framelist_object_append(ui->frame, ui->label_left);
 416    e_widget_framelist_object_append(ui->frame, ui->left);
 417    e_widget_framelist_object_append(ui->frame, ui->label_right);
 418    e_widget_framelist_object_append(ui->frame, ui->right);
 419    e_widget_framelist_object_append(ui->frame, ui->mute);
 420    e_widget_framelist_object_append(ui->frame, ui->lock_sliders);
 421
 422    e_widget_list_object_append(app->ui.hlayout, ui->frame, 1, 1, 0.5);
 423 }
 424
 425 static void
 426 _create_ui(E_Dialog *dialog, E_Mixer_App_Dialog_Data *app)
 427 {
 428    struct e_mixer_app_ui *ui = &app->ui;
 429    Evas *evas;
 430    int mw, mh;
 431
 432    evas = e_win_evas_get(dialog->win);
 433
 434    ui->hlayout = e_widget_list_add(evas, 0, 1);
 435    _create_cards(dialog, evas, app);
 436    _create_channels(dialog, evas, app);
 437    _create_channel_editor(dialog, evas, app);
 438
 439    if (ui->cards.list)
 440      e_widget_ilist_selected_set(ui->cards.list, 0);
 441    else
 442      select_card(app);
 443    e_widget_ilist_selected_set(ui->channels.list, 1);
 444
 445    e_widget_size_min_get(ui->hlayout, &mw, &mh);
 446    if (mw < 300)
 447      mw = 300;
 448    if (mh < 200)
 449      mh = 200;
 450    e_dialog_content_set(dialog, ui->hlayout, mw, mh);
 451 }
 452
 453 static void
 454 _mixer_app_dialog_del(E_Dialog *dialog, E_Mixer_App_Dialog_Data *app)
 455 {
 456    if (app->del.func)
 457      app->del.func(dialog, app->del.data);
 458
 459    eina_stringshare_del(app->card);
 460    eina_stringshare_del(app->channel_name);
 461    if (app->cards)
 462      e_mixer_system_free_cards(app->cards);
 463    if (app->channels_infos)
 464      _channels_info_free(app->channels_infos);
 465    e_mixer_system_del(app->sys);
 466
 467    e_util_defer_object_del(E_OBJECT(dialog));
 468    dialog->data = NULL;
 469    E_FREE(app);
 470 }
 471
 472 static void
 473 _cb_win_del(E_Win *win)
 474 {
 475    E_Dialog *dialog = win->data;
 476    E_Mixer_App_Dialog_Data *app = dialog->data;
 477    _mixer_app_dialog_del(dialog, app);
 478 }
 479
 480 static void
 481 _cb_dialog_dismiss(void *data, E_Dialog *dialog)
 482 {
 483    _mixer_app_dialog_del(dialog, data);
 484 }
 485
 486 E_Dialog *
 487 e_mixer_app_dialog_new(E_Container *con, void (*func)(E_Dialog *dialog, void *data), void *data)
 488 {
 489    E_Mixer_App_Dialog_Data *app;
 490    E_Dialog *dialog;
 491
 492    dialog = e_dialog_new(con, _e_mixer_Name, "e_mixer_app_dialog");
 493    if (!dialog)
 494      return NULL;
 495
 496    app = E_NEW(E_Mixer_App_Dialog_Data, 1);
 497    if (!app)
 498      {
 499         e_object_del(E_OBJECT(dialog));
 500         return NULL;
 501      }
 502
 503    dialog->data = app;
 504    app->del.data = data;
 505    app->del.func = func;
 506
 507    e_dialog_title_set(dialog, _(_e_mixer_Name));
 508    e_dialog_resizable_set(dialog, 1);
 509
 510    e_win_delete_callback_set(dialog->win, _cb_win_del);
 511
 512    _create_ui(dialog, app);
 513
 514    e_dialog_button_add(dialog, _("Close"), NULL, _cb_dialog_dismiss, app);
 515    e_dialog_button_focus_num(dialog, 1);
 516    e_win_centered_set(dialog->win, 1);
 517    e_dialog_show(dialog);
 518    e_dialog_border_icon_set(dialog, "preferences-desktop-mixer");
 519
 520    // FIXME: what if module unloaded while mixer_app dialog up? bad!
 521
 522    return dialog;
 523 }
 524
 525 static inline int
 526 _find_card_by_name(E_Mixer_App_Dialog_Data *app, const char *card_name)
 527 {
 528    Eina_List *l;
 529    int i;
 530
 531    for (i = 0, l = app->cards; l; i++, l = l->next)
 532      if (strcmp(card_name, l->data) == 0)
 533        return i;
 534
 535    return -1;
 536 }
 537
 538 static inline int
 539 _find_channel_by_name(E_Mixer_App_Dialog_Data *app, const char *channel_name)
 540 {
 541    struct channel_info *info;
 542    Eina_List *l;
 543    int i = 0;
 544    int header_input;
 545
 546    if (app->channels_infos)
 547      {
 548         struct channel_info *info = app->channels_infos->data;
 549
 550         header_input = !!info->has_capture;
 551         i = 1;
 552      }
 553
 554    EINA_LIST_FOREACH(app->channels_infos, l, info)
 555      {
 556         if ((!header_input) && info->has_capture)
 557           {
 558              header_input = 1;
 559              i++;
 560           }
 561
 562         if (strcmp(channel_name, info->name) == 0)
 563           return i;
 564
 565         ++i;
 566      }
 567
 568    return -1;
 569 }
 570
 571 int
 572 e_mixer_app_dialog_select(E_Dialog *dialog, const char *card_name, const char *channel_name)
 573 {
 574    E_Mixer_App_Dialog_Data *app;
 575    int n;
 576
 577    if (!dialog)
 578      return 0;
 579
 580    app = dialog->data;
 581    if (!app)
 582      return 0;
 583
 584    n = _find_card_by_name(app, card_name);
 585    if (n < 0)
 586      return 0;
 587    if (app->ui.cards.list)
 588      e_widget_ilist_selected_set(app->ui.cards.list, n);
 589
 590    n = _find_channel_by_name(app, channel_name);
 591    if (n < 0)
 592      return 0;
 593    e_widget_ilist_selected_set(app->ui.channels.list, n);
 594
 595    return 1;
 596 }