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", "base", "title");
  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
 134         if (item->style == ELM_DIALOGUEGROUP_ITEM_STYLE_DEFAULT)
 135                 elm_layout_theme_set(item->bg_layout, "dialoguegroup", "bg", location);
 136         else if (item->style == ELM_DIALOGUEGROUP_ITEM_STYLE_EDITFIELD)
 137                 elm_layout_theme_set(item->bg_layout, "dialoguegroup", "editfield", location);
 138 }
 139
 140 /*
 141 static void _set_line_show(Dialogue_Item *item, Dialogue_Item *after)
 142 {
 143         if(!item || !after) return;
 144
 145         if (item->style == ELM_DIALOGUEGROUP_ITEM_STYLE_DEFAULT) {
 146                 if (after->style == ELM_DIALOGUEGROUP_ITEM_STYLE_DEFAULT) {
 147                         item->line_show = EINA_TRUE;
 148                         edje_object_signal_emit(elm_layout_edje_get(item->bg_layout), "elm,state,line,show", "elm");
 149                 }
 150                 else if (after->style == ELM_DIALOGUEGROUP_ITEM_STYLE_EDITFIELD) {
 151                         item->line_show = EINA_FALSE;
 152                         edje_object_signal_emit(elm_layout_edje_get(item->bg_layout), "elm,state,line,hide", "elm");
 153                 }
 154         }
 155         else if (item->style == ELM_DIALOGUEGROUP_ITEM_STYLE_EDITFIELD)
 156                 item->line_show = EINA_TRUE;
 157 }
 158 */
 159
 160 static void _change_item_bg(Dialogue_Item *item, const char *location)
 161 {
 162         if (!item) return;
 163
 164         eina_stringshare_replace(&item->location, location);
 165         _set_item_theme(item, location);
 166         elm_layout_content_set(item->bg_layout, "swallow", item->content);
 167         if(item->press == EINA_TRUE)
 168                 edje_object_signal_emit(elm_layout_edje_get(item->bg_layout), "elm,state,press,on", "elm");
 169         else
 170                 edje_object_signal_emit(elm_layout_edje_get(item->bg_layout), "elm,state,press,off", "elm");
 171
 172 /*      if(item->line_show == EINA_FALSE)
 173                 edje_object_signal_emit(elm_layout_edje_get(item->bg_layout), "elm,state,line,hide", "elm");*/
 174
 175 }
 176
 177 static Dialogue_Item* _create_item(Evas_Object *obj, Evas_Object *subobj, Elm_Dialoguegroup_Item_Style style, const char *location)
 178 {
 179         Widget_Data *wd = elm_widget_data_get(obj);
 180         Dialogue_Item *item;
 181
 182         if (!wd) return NULL;
 183
 184         item = ELM_NEW(Dialogue_Item);
 185         item->parent = obj;
 186         item->content = subobj;
 187         item->press = EINA_TRUE;
 188         item->style = style;
 189 //      item->line_show = EINA_TRUE;
 190         eina_stringshare_replace(&item->location, location);
 191
 192         item->bg_layout = elm_layout_add(wd->parent);
 193         _set_item_theme(item, location);
 194         evas_object_size_hint_weight_set(item->bg_layout, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 195         evas_object_size_hint_align_set(item->bg_layout, EVAS_HINT_FILL, 0.0);
 196         evas_object_show(item->bg_layout);
 197         elm_widget_sub_object_add(obj, item->bg_layout);
 198
 199         elm_layout_content_set(item->bg_layout, "swallow", item->content);
 200
 201         return item;
 202 }
 203
 204 static void _changed_size_hints(void *data, Evas *e, Evas_Object *obj, void *event_info)
 205 {
 206         _sizing_eval(data);
 207 }
 208
 209 /**
 210  * Add a new dialoguegroup to the parent.
 211  *
 212  * @param parent The parent object
 213  * @return The new object or NULL if it cannot be created
 214  *
 215  * @ingroup DialogueGroup
 216  */
 217 EAPI Evas_Object *elm_dialoguegroup_add(Evas_Object *parent)
 218 {
 219         Evas_Object *obj = NULL;
 220         Widget_Data *wd = NULL;
 221
 222         wd = ELM_NEW(Widget_Data);
 223         wd->e = evas_object_evas_get(parent);
 224         if (wd->e == NULL) return NULL;
 225         obj = elm_widget_add(wd->e);
 226         ELM_SET_WIDTYPE(widtype, "dialoguegroup");
 227         elm_widget_type_set(obj, "dialoguegroup");
 228         elm_widget_sub_object_add(parent, obj);
 229         elm_widget_data_set(obj, wd);
 230         elm_widget_del_hook_set(obj, _del_hook);
 231         elm_widget_theme_hook_set(obj, _theme_hook);
 232
 233         wd->parent = parent;
 234         wd->num = 0;
 235
 236         wd->box = elm_box_add(parent);
 237         evas_object_event_callback_add(wd->box, EVAS_CALLBACK_CHANGED_SIZE_HINTS, _changed_size_hints, obj);
 238         evas_object_show(wd->box);
 239         elm_widget_resize_object_set(obj, wd->box);
 240
 241         _sizing_eval(obj);
 242         return obj;
 243 }
 244
 245 /**
 246  * Append an item to the dialogue group.
 247  *
 248  * @param obj dialoguegroup object
 249  * @param subobj item
 250  * @return Dialogue_Item pointer, just made by this function
 251  *
 252  * @ingroup DialogueGroup
 253  */
 254 EAPI Dialogue_Item *
 255 elm_dialoguegroup_append(Evas_Object *obj, Evas_Object *subobj, Elm_Dialoguegroup_Item_Style style)
 256 {
 257         ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 258         Widget_Data *wd = elm_widget_data_get(obj);
 259         Dialogue_Item *item = NULL, *new_item = NULL;
 260
 261         if (!wd || !subobj) return NULL;
 262
 263         if (!wd->items)
 264                 new_item = _create_item(obj, subobj, style, "default");
 265         else {
 266                 if (wd->num == 1) {
 267                         item = eina_list_data_get(wd->items);
 268                         _change_item_bg(item, "top");
 269                 }
 270                 else {
 271                         item = eina_list_data_get( eina_list_last(wd->items) );
 272                         _change_item_bg(item, "middle");
 273                 }
 274                 new_item = _create_item(obj, subobj, style, "bottom");
 275 //              _set_line_show(item, new_item);
 276         }
 277         elm_box_pack_end(wd->box, new_item->bg_layout);
 278         wd->items = eina_list_append(wd->items, new_item);
 279         wd->num++;
 280         _sizing_eval(obj);
 281         return new_item;
 282 }
 283
 284
 285 /**
 286  * Prepend an item to the dialogue group.
 287  *
 288  * @param obj dialoguegroup object
 289  * @param subobj item
 290  * @return Dialogue_Item pointer, just made by this function
 291  *
 292  * @ingroup DialogueGroup
 293  */
 294 EAPI Dialogue_Item *
 295 elm_dialoguegroup_prepend(Evas_Object *obj, Evas_Object *subobj, Elm_Dialoguegroup_Item_Style style)
 296 {
 297         ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 298         Widget_Data *wd = elm_widget_data_get(obj);
 299         Dialogue_Item *item = NULL, *new_item = NULL;
 300
 301         if (!wd || !subobj) return NULL;
 302
 303         if (!wd->items)
 304                 new_item = _create_item(obj, subobj, style, "default");
 305         else {
 306                 if (wd->num == 1) {
 307                         item = eina_list_data_get(wd->items);
 308                         _change_item_bg(item, "bottom");
 309                 }
 310                 else {
 311                         item = eina_list_data_get(wd->items);
 312                         _change_item_bg(item, "middle");
 313                 }
 314                 new_item = _create_item(obj, subobj, style, "top");
 315 //              _set_line_show(new_item, item);
 316         }
 317         if(wd->title_layout)
 318                 elm_box_pack_after(wd->box, new_item->bg_layout, wd->title_layout);
 319         else
 320                 elm_box_pack_start(wd->box, new_item->bg_layout);
 321         wd->items = eina_list_prepend(wd->items, new_item);
 322         wd->num++;
 323         _sizing_eval(obj);
 324         return new_item;
 325 }
 326
 327 /**
 328  * Insert an item to the dialogue group just after the specified item.
 329  *
 330  * @param obj dialoguegroup object
 331  * @param subobj item
 332  * @param after specified item existing in the dialogue group
 333  * @return Dialogue_Item pointer, just made by this function
 334  *
 335  * @ingroup DialogueGroup
 336  */
 337 EAPI Dialogue_Item *
 338 elm_dialoguegroup_insert_after(Evas_Object *obj, Evas_Object *subobj, Dialogue_Item *after, Elm_Dialoguegroup_Item_Style style)
 339 {
 340         ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 341         Widget_Data *wd = elm_widget_data_get(obj);
 342         Dialogue_Item *after_item = NULL, *item = NULL;
 343         Eina_List *l;
 344
 345         if (!wd || !subobj || !after || !wd->items) return NULL;
 346
 347         EINA_LIST_FOREACH(wd->items, l, after_item) {
 348                 if(after == after_item) {
 349                         if( !strcmp(after_item->location, "default") ) {
 350                                 _change_item_bg(after_item, "top");
 351                                 item = _create_item(obj, subobj, style, "bottom");
 352                         }
 353                         else if( !strcmp(after_item->location, "top") || !strcmp(after_item->location, "middle") )
 354                                 item = _create_item(obj, subobj, style, "middle");
 355                         else if( !strcmp(after_item->location, "bottom") ) {
 356                                 _change_item_bg(after_item, "middle");
 357                                 item = _create_item(obj, subobj, style, "bottom");
 358                         }
 359
 360                         elm_box_pack_after(wd->box, item->bg_layout, after_item->bg_layout);
 361                         wd->items = eina_list_append_relative(wd->items, item, after_item);
 362                 //      _set_line_show(after, item);
 363                 }
 364         }
 365
 366         wd->num++;
 367         _sizing_eval(obj);
 368         return item;
 369 }
 370
 371 /**
 372  * Insert an item to the dialogue group just before the specified item.
 373  *
 374  * @param obj dialoguegroup object
 375  * @param subobj item
 376  * @param before specified item existing in the dialogue group
 377  * @return Dialogue_Item pointer, just made by this function
 378  *
 379  * @ingroup DialogueGroup
 380  */
 381 EAPI Dialogue_Item *
 382 elm_dialoguegroup_insert_before(Evas_Object *obj, Evas_Object *subobj, Dialogue_Item *before, Elm_Dialoguegroup_Item_Style style)
 383 {
 384         ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 385         Widget_Data *wd = elm_widget_data_get(obj);
 386         Dialogue_Item *before_item = NULL, *item = NULL;
 387         Eina_List *l;
 388         Eina_List *prev;
 389
 390         if (!wd || !subobj || !before || !wd->items) return NULL;
 391
 392         EINA_LIST_FOREACH(wd->items, l, before_item) {
 393                 if(before == before_item) {
 394                         if( !strcmp(before_item->location, "default") ) {
 395                                 _change_item_bg(before_item, "bottom");
 396                                 item = _create_item(obj, subobj, style, "top");
 397                         }
 398
 399                         else if( !strcmp(before_item->location, "top") ) {
 400                                 _change_item_bg(before_item, "middle");
 401                                 item = _create_item(obj, subobj, style, "top");
 402                         }
 403
 404                         else if( !strcmp(before_item->location, "middle") || !strcmp(before_item->location, "bottom") ) {
 405                                 item = _create_item(obj, subobj, style, "middle");
 406                                 prev = eina_list_prev(l);
 407                         //      _set_line_show(prev->data, item);
 408                         }
 409                         elm_box_pack_before(wd->box, item->bg_layout, before_item->bg_layout);
 410                         wd->items = eina_list_prepend_relative(wd->items, item, before_item);
 411                 }
 412         }
 413
 414         wd->num++;
 415         _sizing_eval(obj);
 416         return item;
 417 }
 418
 419 /**
 420  * Remove an item from the dialogue group.
 421  *
 422  * @param obj dialoguegroup object
 423  * @param subobj item
 424  *
 425  * @ingroup DialogueGroup
 426  */
 427 EAPI void
 428 elm_dialoguegroup_remove(Dialogue_Item *item)
 429 {
 430         ELM_CHECK_WIDTYPE(item->parent, widtype) ;
 431         Dialogue_Item *current_item;
 432         Widget_Data *wd = elm_widget_data_get(item->parent);
 433         Eina_List *l;
 434
 435         if (!wd || !wd->items || !item) return ;
 436
 437         EINA_LIST_FOREACH(wd->items, l, current_item) {
 438                 if (current_item == item) {
 439                         if (current_item->content){
 440                                 evas_object_del(current_item->content);
 441                                 current_item->content = NULL;
 442                         }
 443                         if (current_item->bg_layout){
 444                                 evas_object_del(current_item->bg_layout);
 445                                 current_item->bg_layout = NULL;
 446                         }
 447                         elm_box_unpack(wd->box, current_item->bg_layout);
 448                         wd->items = eina_list_remove(wd->items, current_item);
 449                 }
 450         }
 451
 452         wd->num--;
 453
 454         if (wd->num == 0) return;
 455
 456         if (wd->num == 1) {
 457                 current_item = eina_list_data_get(wd->items);
 458                 _change_item_bg(current_item, "default");
 459         }
 460
 461         else {
 462                 current_item = eina_list_data_get(wd->items);
 463                 _change_item_bg(current_item, "top");
 464                 current_item = eina_list_data_get( eina_list_last(wd->items) );
 465                 _change_item_bg(current_item, "bottom");
 466         }
 467
 468         _sizing_eval(item->parent);
 469 }
 470
 471 /**
 472  * Remove all items from the dialogue group.
 473  *
 474  * @param obj dialoguegroup object
 475  *
 476  * @ingroup DialogueGroup
 477  */
 478 EAPI void
 479 elm_dialoguegroup_remove_all(Evas_Object *obj)
 480 {
 481         ELM_CHECK_WIDTYPE(obj, widtype);
 482         _remove_all(obj);
 483         _sizing_eval(obj);
 484 }
 485
 486
 487 /**
 488  * Set the title text of the  dialogue group.
 489  *
 490  * @param obj dialoguegroup object
 491  * @param title title text, if NULL title space will be disappeared
 492  *
 493  * @ingroup DialogueGroup
 494  */
 495 EAPI void
 496 elm_dialoguegroup_title_set(Evas_Object *obj, const char *title)
 497 {
 498         ELM_CHECK_WIDTYPE(obj, widtype);
 499         Widget_Data *wd = elm_widget_data_get(obj);
 500
 501         if (!wd) return ;
 502         eina_stringshare_replace(&wd->title, title);
 503         if (!title) {
 504                 wd->title = NULL;
 505                 elm_box_unpack(wd->box, wd->title_layout);
 506         }
 507         if (!wd->title_layout) {
 508                 wd->title_layout = elm_layout_add(wd->parent);
 509                 elm_widget_sub_object_add(obj, wd->title_layout);
 510                 elm_layout_theme_set(wd->title_layout, "dialoguegroup", "base", "title");
 511                 evas_object_size_hint_weight_set(wd->title_layout, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 512                 evas_object_size_hint_align_set(wd->title_layout, EVAS_HINT_FILL, 0.0);
 513                 evas_object_show(wd->title_layout);
 514         }
 515         edje_object_part_text_set(elm_layout_edje_get(wd->title_layout), "text", title);
 516         elm_box_pack_start(wd->box, wd->title_layout);
 517 }
 518
 519 /**
 520  * Get the title text of the dialogue group
 521  *
 522  * @param obj The dialoguegroup object
 523  * @return The text title string in UTF-8
 524  *
 525  * @ingroup DialogueGroup
 526  */
 527 EAPI const char *
 528 elm_dialoguegroup_title_get(Evas_Object *obj)
 529 {
 530    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 531    Widget_Data *wd = elm_widget_data_get(obj);
 532    if (!wd) return NULL;
 533    return wd->title;
 534 }
 535
 536 /**
 537  * Set whether the press effect will be shown or not
 538  *
 539  * @param obj The dialoguegroup object
 540  * @param item Dialogue_Item pointer
 541  * @param press If set as 1, press effect will be shown
 542  *
 543  * @ingroup DialogueGroup
 544  */
 545 EAPI void
 546 elm_dialoguegroup_press_effect_set(Dialogue_Item *item, Eina_Bool press)
 547 {
 548    ELM_CHECK_WIDTYPE(item->parent, widtype) ;
 549    if(!item) return;
 550
 551    item->press = press;
 552    if(press == EINA_TRUE)
 553            edje_object_signal_emit(elm_layout_edje_get(item->bg_layout), "elm,state,press,on", "elm");
 554    else
 555            edje_object_signal_emit(elm_layout_edje_get(item->bg_layout), "elm,state,press,off", "elm");
 556 }
 557
 558 /**
 559  * Get the press effect state
 560  *
 561  * @param obj The dialoguegroup object
 562  * @param item Dialogue_Item pointer
 563  * @return 1 if press effect on, 0 if press effect off
 564  *
 565  * @ingroup DialogueGroup
 566  */
 567 EAPI Eina_Bool
 568 elm_dialoguegroup_press_effect_get(Dialogue_Item *item)
 569 {
 570    ELM_CHECK_WIDTYPE(item->parent, widtype) EINA_FALSE;
 571    if(!item) return EINA_FALSE;
 572
 573    return item->press;
 574 }
 575
 576 /**
 577  * Get the conetent object from the specified dialogue item
 578  *
 579  * @param obj The dialoguegroup object
 580  * @param item Dialogue_Item pointer
 581  * @return content object
 582  *
 583  * @ingroup DialogueGroup
 584  */
 585 EAPI Evas_Object *
 586 elm_dialoguegroup_item_content_get(Dialogue_Item *item)
 587 {
 588    ELM_CHECK_WIDTYPE(item->parent, widtype) EINA_FALSE;
 589    if(!item) return EINA_FALSE;
 590
 591    return item->content;
 592 }