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