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