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