src/lib/elm_dialoguegroup.c

   1 #include <Elementary.h>
   2 #include "elm_priv.h"
   3 #include <Ecore.h>
   4
   5 /**
   6  * @defgroup DialogueGroup DialogueGroup
   7  * @ingroup Elementary
   8  *
   9  * Using dialoguegroup, you can make a dialogue group.
  10  */
  11
  12 struct _Dialogue_Item
  13 {
  14         Evas_Object *parent;
  15         Evas_Object *bg_layout;
  16         Evas_Object *content;
  17         Elm_Dialoguegroup_Item_Style style;
  18         const char *location;
  19         Eina_Bool press;
  20 //      Eina_Bool line_show;
  21 };
  22
  23
  24 typedef struct _Widget_Data Widget_Data;
  25 struct _Widget_Data
  26 {
  27         Evas_Object *parent;
  28         Evas *e;
  29         Evas_Object *box;
  30         Evas_Object *title_layout;
  31         const char *title;
  32         unsigned int num;
  33         Eina_List *items;
  34 };
  35
  36 static const char*widtype = NULL;
  37
  38 static void _del_hook(Evas_Object *obj);
  39 static void _theme_hook(Evas_Object *obj);
  40 static void _sizing_eval(Evas_Object *obj);
  41 static void _disable_hook(Evas_Object *obj);
  42
  43 static void _remove_all(Evas_Object *obj);
  44 static void _set_item_theme(Dialogue_Item *item, const char *location);
  45 static void _change_item_bg(Dialogue_Item *item, const char *location);
  46 static Dialogue_Item* _create_item(Evas_Object *obj, Evas_Object *subobj, Elm_Dialoguegroup_Item_Style style, const char *location);
  47
  48
  49 static void
  50 _del_hook(Evas_Object *obj)
  51 {
  52         Widget_Data *wd = elm_widget_data_get(obj);
  53
  54         if (!wd) return;
  55         if (wd->title) eina_stringshare_del(wd->title);
  56
  57         _remove_all(obj);
  58
  59         if (wd->box){
  60                 evas_object_del(wd->box);
  61                 wd->box = NULL;
  62         }
  63
  64         free(wd);
  65 }
  66
  67
  68 static void
  69 _theme_hook(Evas_Object *obj)
  70 {
  71         Widget_Data *wd = elm_widget_data_get(obj);
  72         Eina_List *l;
  73         Dialogue_Item *item;
  74
  75         if (!wd) return;
  76         if (wd->title) {
  77                 elm_layout_theme_set(wd->title_layout, "dialoguegroup", "title", elm_widget_style_get(obj));
  78                 edje_object_part_text_set(elm_layout_edje_get(wd->title_layout), "text", wd->title);
  79         }
  80         EINA_LIST_FOREACH(wd->items, l, item)
  81                 _change_item_bg( item, item->location );
  82         _sizing_eval(obj);
  83 }
  84
  85 static void
  86 _disable_hook(Evas_Object *obj)
  87 {
  88
  89 }
  90
  91 static void
  92 _sizing_eval(Evas_Object *obj)
  93 {
  94         Widget_Data *wd = elm_widget_data_get(obj);
  95         Evas_Coord minw, minh, maxw, maxh;
  96
  97         if (!wd) return;
  98         evas_object_size_hint_min_get(wd->box, &minw, &minh);
  99         evas_object_size_hint_max_get(wd->box, &maxw, &maxh);
 100         evas_object_size_hint_min_set(obj, minw, minh);
 101         evas_object_size_hint_max_set(obj, maxw, maxh);
 102 }
 103
 104 static void _remove_all(Evas_Object *obj)
 105 {
 106         Widget_Data *wd = elm_widget_data_get(obj);
 107         Dialogue_Item *item;
 108
 109         if (!wd) return;
 110
 111         wd->num = 0;
 112
 113         if (wd->items) {
 114                 EINA_LIST_FREE(wd->items, item) {
 115                         if (item->content){
 116                                 evas_object_del(item->content);
 117                                 item->content = NULL;
 118                         }
 119                         if (item->bg_layout){
 120                                 evas_object_del(item->bg_layout);
 121                                 item->bg_layout = NULL;
 122                         }
 123                         if (item->location)
 124                                 eina_stringshare_del(item->location);
 125                         free(item);
 126                 }
 127         }
 128 }
 129
 130 static void _set_item_theme(Dialogue_Item *item, const char *location)
 131 {
 132         if (!item) return;
 133         char buf[30];
 134
 135         if (item->style == ELM_DIALOGUEGROUP_ITEM_STYLE_DEFAULT)
 136                 snprintf(buf, sizeof(buf), "bg_%s", location);
 137         else if (item->style == ELM_DIALOGUEGROUP_ITEM_STYLE_EDITFIELD)
 138                 snprintf(buf, sizeof(buf), "editfield_%s", location);
 139         else if (item->style == ELM_DIALOGUEGROUP_ITEM_STYLE_EDITFIELD_WITH_TITLE)
 140                 snprintf(buf, sizeof(buf), "editfield_with_title_%s", location);
 141         else if (item->style == ELM_DIALOGUEGROUP_ITEM_STYLE_EDIT_TITLE)
 142                 snprintf(buf, sizeof(buf), "edit_title_%s", location);
 143         else if (item->style == ELM_DIALOGUEGROUP_ITEM_STYLE_HIDDEN)
 144                 snprintf(buf, sizeof(buf), "hidden_%s", location);
 145         elm_layout_theme_set(item->bg_layout, "dialoguegroup", buf, elm_widget_style_get(item->parent));
 146 }
 147
 148 /*
 149 static void _set_line_show(Dialogue_Item *item, Dialogue_Item *after)
 150 {
 151         if(!item || !after) return;
 152
 153         if (item->style == ELM_DIALOGUEGROUP_ITEM_STYLE_DEFAULT) {
 154                 if (after->style == ELM_DIALOGUEGROUP_ITEM_STYLE_DEFAULT) {
 155                         item->line_show = EINA_TRUE;
 156                         edje_object_signal_emit(elm_layout_edje_get(item->bg_layout), "elm,state,line,show", "elm");
 157                 }
 158                 else if (after->style == ELM_DIALOGUEGROUP_ITEM_STYLE_EDITFIELD) {
 159                         item->line_show = EINA_FALSE;
 160                         edje_object_signal_emit(elm_layout_edje_get(item->bg_layout), "elm,state,line,hide", "elm");
 161                 }
 162         }
 163         else if (item->style == ELM_DIALOGUEGROUP_ITEM_STYLE_EDITFIELD)
 164                 item->line_show = EINA_TRUE;
 165 }
 166 */
 167
 168 static void _change_item_bg(Dialogue_Item *item, const char *location)
 169 {
 170         if (!item) return;
 171
 172         eina_stringshare_replace(&item->location, location);
 173         _set_item_theme(item, location);
 174         elm_layout_content_set(item->bg_layout, "swallow", item->content);
 175         if(item->press == EINA_TRUE)
 176                 edje_object_signal_emit(elm_layout_edje_get(item->bg_layout), "elm,state,press,on", "elm");
 177         else
 178                 edje_object_signal_emit(elm_layout_edje_get(item->bg_layout), "elm,state,press,off", "elm");
 179
 180 /*      if(item->line_show == EINA_FALSE)
 181                 edje_object_signal_emit(elm_layout_edje_get(item->bg_layout), "elm,state,line,hide", "elm");*/
 182
 183 }
 184
 185 static Dialogue_Item* _create_item(Evas_Object *obj, Evas_Object *subobj, Elm_Dialoguegroup_Item_Style style, const char *location)
 186 {
 187         Widget_Data *wd = elm_widget_data_get(obj);
 188         Dialogue_Item *item;
 189
 190         if (!wd) return NULL;
 191
 192         item = ELM_NEW(Dialogue_Item);
 193         item->parent = obj;
 194         item->content = subobj;
 195         item->press = EINA_TRUE;
 196         item->style = style;
 197 //      item->line_show = EINA_TRUE;
 198         eina_stringshare_replace(&item->location, location);
 199
 200         item->bg_layout = elm_layout_add(wd->box);
 201         _set_item_theme(item, location);
 202         evas_object_size_hint_weight_set(item->bg_layout, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 203         evas_object_size_hint_align_set(item->bg_layout, EVAS_HINT_FILL, 0.0);
 204         evas_object_show(item->bg_layout);
 205
 206         elm_layout_content_set(item->bg_layout, "swallow", item->content);
 207
 208         return item;
 209 }
 210
 211 static void _changed_size_hints(void *data, Evas *e, Evas_Object *obj, void *event_info)
 212 {
 213         _sizing_eval(data);
 214 }
 215
 216 /**
 217  * Add a new dialoguegroup to the parent.
 218  *
 219  * @param parent The parent object
 220  * @return The new object or NULL if it cannot be created
 221  *
 222  * @ingroup DialogueGroup
 223  */
 224 EAPI Evas_Object *elm_dialoguegroup_add(Evas_Object *parent)
 225 {
 226         Evas_Object *obj = NULL;
 227         Widget_Data *wd = NULL;
 228
 229         wd = ELM_NEW(Widget_Data);
 230         wd->e = evas_object_evas_get(parent);
 231         if (wd->e == NULL) return NULL;
 232         obj = elm_widget_add(wd->e);
 233         ELM_SET_WIDTYPE(widtype, "dialoguegroup");
 234         elm_widget_type_set(obj, "dialoguegroup");
 235         elm_widget_sub_object_add(parent, obj);
 236         elm_widget_data_set(obj, wd);
 237         elm_widget_del_hook_set(obj, _del_hook);
 238         elm_widget_theme_hook_set(obj, _theme_hook);
 239
 240         wd->parent = parent;
 241         wd->num = 0;
 242
 243         wd->box = elm_box_add(obj);
 244         evas_object_event_callback_add(wd->box, EVAS_CALLBACK_CHANGED_SIZE_HINTS, _changed_size_hints, obj);
 245         evas_object_show(wd->box);
 246         elm_widget_resize_object_set(obj, wd->box);
 247
 248         _sizing_eval(obj);
 249         return obj;
 250 }
 251
 252 /**
 253  * Append an item to the dialogue group.
 254  *
 255  * @param obj dialoguegroup object
 256  * @param subobj item
 257  * @return Dialogue_Item pointer, just made by this function
 258  *
 259  * @ingroup DialogueGroup
 260  */
 261 EAPI Dialogue_Item *
 262 elm_dialoguegroup_append(Evas_Object *obj, Evas_Object *subobj, Elm_Dialoguegroup_Item_Style style)
 263 {
 264         ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 265         Widget_Data *wd = elm_widget_data_get(obj);
 266         Dialogue_Item *item = NULL, *new_item = NULL;
 267
 268         if (!wd || !subobj) return NULL;
 269
 270         if (!wd->items)
 271                 new_item = _create_item(obj, subobj, style, "default");
 272         else {
 273                 if (wd->num == 1) {
 274                         item = eina_list_data_get(wd->items);
 275                         _change_item_bg(item, "top");
 276                 }
 277                 else {
 278                         item = eina_list_data_get( eina_list_last(wd->items) );
 279                         _change_item_bg(item, "middle");
 280                 }
 281                 new_item = _create_item(obj, subobj, style, "bottom");
 282 //              _set_line_show(item, new_item);
 283         }
 284         elm_box_pack_end(wd->box, new_item->bg_layout);
 285         wd->items = eina_list_append(wd->items, new_item);
 286         wd->num++;
 287         _sizing_eval(obj);
 288         return new_item;
 289 }
 290
 291
 292 /**
 293  * Prepend an item to the dialogue group.
 294  *
 295  * @param obj dialoguegroup object
 296  * @param subobj item
 297  * @return Dialogue_Item pointer, just made by this function
 298  *
 299  * @ingroup DialogueGroup
 300  */
 301 EAPI Dialogue_Item *
 302 elm_dialoguegroup_prepend(Evas_Object *obj, Evas_Object *subobj, Elm_Dialoguegroup_Item_Style style)
 303 {
 304         ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 305         Widget_Data *wd = elm_widget_data_get(obj);
 306         Dialogue_Item *item = NULL, *new_item = NULL;
 307
 308         if (!wd || !subobj) return NULL;
 309
 310         if (!wd->items)
 311                 new_item = _create_item(obj, subobj, style, "default");
 312         else {
 313                 if (wd->num == 1) {
 314                         item = eina_list_data_get(wd->items);
 315                         _change_item_bg(item, "bottom");
 316                 }
 317                 else {
 318                         item = eina_list_data_get(wd->items);
 319                         _change_item_bg(item, "middle");
 320                 }
 321                 new_item = _create_item(obj, subobj, style, "top");
 322 //              _set_line_show(new_item, item);
 323         }
 324         if(wd->title_layout)
 325                 elm_box_pack_after(wd->box, new_item->bg_layout, wd->title_layout);
 326         else
 327                 elm_box_pack_start(wd->box, new_item->bg_layout);
 328         wd->items = eina_list_prepend(wd->items, new_item);
 329         wd->num++;
 330         _sizing_eval(obj);
 331         return new_item;
 332 }
 333
 334 /**
 335  * Insert an item to the dialogue group just after the specified item.
 336  *
 337  * @param obj dialoguegroup object
 338  * @param subobj item
 339  * @param after specified item existing in the dialogue group
 340  * @return Dialogue_Item pointer, just made by this function
 341  *
 342  * @ingroup DialogueGroup
 343  */
 344 EAPI Dialogue_Item *
 345 elm_dialoguegroup_insert_after(Evas_Object *obj, Evas_Object *subobj, Dialogue_Item *after, Elm_Dialoguegroup_Item_Style style)
 346 {
 347         ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 348         Widget_Data *wd = elm_widget_data_get(obj);
 349         Dialogue_Item *after_item = NULL, *item = NULL;
 350         Eina_List *l;
 351
 352         if (!wd || !subobj || !after || !wd->items) return NULL;
 353
 354         EINA_LIST_FOREACH(wd->items, l, after_item) {
 355                 if(after == after_item) {
 356                         if( !strcmp(after_item->location, "default") ) {
 357                                 _change_item_bg(after_item, "top");
 358                                 item = _create_item(obj, subobj, style, "bottom");
 359                         }
 360                         else if( !strcmp(after_item->location, "top") || !strcmp(after_item->location, "middle") )
 361                                 item = _create_item(obj, subobj, style, "middle");
 362                         else if( !strcmp(after_item->location, "bottom") ) {
 363                                 _change_item_bg(after_item, "middle");
 364                                 item = _create_item(obj, subobj, style, "bottom");
 365                         }
 366
 367                         elm_box_pack_after(wd->box, item->bg_layout, after_item->bg_layout);
 368                         wd->items = eina_list_append_relative(wd->items, item, after_item);
 369                 //      _set_line_show(after, item);
 370                 }
 371         }
 372
 373         wd->num++;
 374         _sizing_eval(obj);
 375         return item;
 376 }
 377
 378 /**
 379  * Insert an item to the dialogue group just before the specified item.
 380  *
 381  * @param obj dialoguegroup object
 382  * @param subobj item
 383  * @param before specified item existing in the dialogue group
 384  * @return Dialogue_Item pointer, just made by this function
 385  *
 386  * @ingroup DialogueGroup
 387  */
 388 EAPI Dialogue_Item *
 389 elm_dialoguegroup_insert_before(Evas_Object *obj, Evas_Object *subobj, Dialogue_Item *before, Elm_Dialoguegroup_Item_Style style)
 390 {
 391         ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 392         Widget_Data *wd = elm_widget_data_get(obj);
 393         Dialogue_Item *before_item = NULL, *item = NULL;
 394         Eina_List *l;
 395         Eina_List *prev;
 396
 397         if (!wd || !subobj || !before || !wd->items) return NULL;
 398
 399         EINA_LIST_FOREACH(wd->items, l, before_item) {
 400                 if(before == before_item) {
 401                         if( !strcmp(before_item->location, "default") ) {
 402                                 _change_item_bg(before_item, "bottom");
 403                                 item = _create_item(obj, subobj, style, "top");
 404                         }
 405
 406                         else if( !strcmp(before_item->location, "top") ) {
 407                                 _change_item_bg(before_item, "middle");
 408                                 item = _create_item(obj, subobj, style, "top");
 409                         }
 410
 411                         else if( !strcmp(before_item->location, "middle") || !strcmp(before_item->location, "bottom") ) {
 412                                 item = _create_item(obj, subobj, style, "middle");
 413                                 prev = eina_list_prev(l);
 414                         //      _set_line_show(prev->data, item);
 415                         }
 416                         elm_box_pack_before(wd->box, item->bg_layout, before_item->bg_layout);
 417                         wd->items = eina_list_prepend_relative(wd->items, item, before_item);
 418                 }
 419         }
 420
 421         wd->num++;
 422         _sizing_eval(obj);
 423         return item;
 424 }
 425
 426 /**
 427  * Remove an item from the dialogue group.
 428  *
 429  * @param obj dialoguegroup object
 430  * @param subobj item
 431  *
 432  * @ingroup DialogueGroup
 433  */
 434 EAPI void
 435 elm_dialoguegroup_remove(Dialogue_Item *item)
 436 {
 437         ELM_CHECK_WIDTYPE(item->parent, widtype) ;
 438         Dialogue_Item *current_item;
 439         Widget_Data *wd = elm_widget_data_get(item->parent);
 440         Eina_List *l;
 441
 442         if (!wd || !wd->items || !item) return ;
 443
 444         EINA_LIST_FOREACH(wd->items, l, current_item) {
 445                 if (current_item == item) {
 446                         if (current_item->content){
 447                                 evas_object_del(current_item->content);
 448                                 current_item->content = NULL;
 449                         }
 450                         if (current_item->bg_layout){
 451                                 evas_object_del(current_item->bg_layout);
 452                                 current_item->bg_layout = NULL;
 453                         }
 454                         elm_box_unpack(wd->box, current_item->bg_layout);
 455                         wd->items = eina_list_remove(wd->items, current_item);
 456                 }
 457         }
 458
 459         wd->num--;
 460
 461         if (wd->num == 0) return;
 462
 463         if (wd->num == 1) {
 464                 current_item = eina_list_data_get(wd->items);
 465                 _change_item_bg(current_item, "default");
 466         }
 467
 468         else {
 469                 current_item = eina_list_data_get(wd->items);
 470                 _change_item_bg(current_item, "top");
 471                 current_item = eina_list_data_get( eina_list_last(wd->items) );
 472                 _change_item_bg(current_item, "bottom");
 473         }
 474
 475         _sizing_eval(item->parent);
 476 }
 477
 478 /**
 479  * Remove all items from the dialogue group.
 480  *
 481  * @param obj dialoguegroup object
 482  *
 483  * @ingroup DialogueGroup
 484  */
 485 EAPI void
 486 elm_dialoguegroup_remove_all(Evas_Object *obj)
 487 {
 488         ELM_CHECK_WIDTYPE(obj, widtype);
 489         _remove_all(obj);
 490         _sizing_eval(obj);
 491 }
 492
 493
 494 /**
 495  * Set the title text of the  dialogue group.
 496  *
 497  * @param obj dialoguegroup object
 498  * @param title title text, if NULL title space will be disappeared
 499  *
 500  * @ingroup DialogueGroup
 501  */
 502 EAPI void
 503 elm_dialoguegroup_title_set(Evas_Object *obj, const char *title)
 504 {
 505         ELM_CHECK_WIDTYPE(obj, widtype);
 506         Widget_Data *wd = elm_widget_data_get(obj);
 507
 508         if (!wd) return ;
 509         eina_stringshare_replace(&wd->title, title);
 510         if (!title) {
 511                 wd->title = NULL;
 512                 elm_box_unpack(wd->box, wd->title_layout);
 513         }
 514         if (!wd->title_layout) {
 515                 wd->title_layout = elm_layout_add(wd->box);
 516                 elm_layout_theme_set(wd->title_layout, "dialoguegroup", "title", elm_widget_style_get(obj));
 517                 evas_object_size_hint_weight_set(wd->title_layout, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 518                 evas_object_size_hint_align_set(wd->title_layout, EVAS_HINT_FILL, 0.0);
 519                 evas_object_show(wd->title_layout);
 520         }
 521         edje_object_part_text_set(elm_layout_edje_get(wd->title_layout), "text", title);
 522         elm_box_pack_start(wd->box, wd->title_layout);
 523 }
 524
 525 /**
 526  * Get the title text of the dialogue group
 527  *
 528  * @param obj The dialoguegroup object
 529  * @return The text title string in UTF-8
 530  *
 531  * @ingroup DialogueGroup
 532  */
 533 EAPI const char *
 534 elm_dialoguegroup_title_get(Evas_Object *obj)
 535 {
 536    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 537    Widget_Data *wd = elm_widget_data_get(obj);
 538    if (!wd) return NULL;
 539    return wd->title;
 540 }
 541
 542 /**
 543  * Set whether the press effect will be shown or not
 544  *
 545  * @param obj The dialoguegroup object
 546  * @param item Dialogue_Item pointer
 547  * @param press If set as 1, press effect will be shown
 548  *
 549  * @ingroup DialogueGroup
 550  */
 551 EAPI void
 552 elm_dialoguegroup_press_effect_set(Dialogue_Item *item, Eina_Bool press)
 553 {
 554    ELM_CHECK_WIDTYPE(item->parent, widtype) ;
 555    if(!item) return;
 556
 557    item->press = press;
 558    if(press == EINA_TRUE)
 559            edje_object_signal_emit(elm_layout_edje_get(item->bg_layout), "elm,state,press,on", "elm");
 560    else
 561            edje_object_signal_emit(elm_layout_edje_get(item->bg_layout), "elm,state,press,off", "elm");
 562 }
 563
 564 /**
 565  * Get the press effect state
 566  *
 567  * @param obj The dialoguegroup object
 568  * @param item Dialogue_Item pointer
 569  * @return 1 if press effect on, 0 if press effect off
 570  *
 571  * @ingroup DialogueGroup
 572  */
 573 EAPI Eina_Bool
 574 elm_dialoguegroup_press_effect_get(Dialogue_Item *item)
 575 {
 576    ELM_CHECK_WIDTYPE(item->parent, widtype) EINA_FALSE;
 577    if(!item) return EINA_FALSE;
 578
 579    return item->press;
 580 }
 581
 582 /**
 583  * Get the conetent object from the specified dialogue item
 584  *
 585  * @param obj The dialoguegroup object
 586  * @param item Dialogue_Item pointer
 587  * @return content object
 588  *
 589  * @ingroup DialogueGroup
 590  */
 591 EAPI Evas_Object *
 592 elm_dialoguegroup_item_content_get(Dialogue_Item *item)
 593 {
 594    ELM_CHECK_WIDTYPE(item->parent, widtype) EINA_FALSE;
 595    if(!item) return EINA_FALSE;
 596
 597    return item->content;
 598 }