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->box);
 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
 204         elm_layout_content_set(item->bg_layout, "swallow", item->content);
 205
 206         return item;
 207 }
 208
 209 static void _changed_size_hints(void *data, Evas *e, Evas_Object *obj, void *event_info)
 210 {
 211         _sizing_eval(data);
 212 }
 213
 214 /**
 215  * Add a new dialoguegroup to the parent.
 216  *
 217  * @param parent The parent object
 218  * @return The new object or NULL if it cannot be created
 219  *
 220  * @ingroup DialogueGroup
 221  */
 222 EAPI Evas_Object *elm_dialoguegroup_add(Evas_Object *parent)
 223 {
 224         Evas_Object *obj = NULL;
 225         Widget_Data *wd = NULL;
 226
 227         wd = ELM_NEW(Widget_Data);
 228         wd->e = evas_object_evas_get(parent);
 229         if (wd->e == NULL) return NULL;
 230         obj = elm_widget_add(wd->e);
 231         ELM_SET_WIDTYPE(widtype, "dialoguegroup");
 232         elm_widget_type_set(obj, "dialoguegroup");
 233         elm_widget_sub_object_add(parent, obj);
 234         elm_widget_data_set(obj, wd);
 235         elm_widget_del_hook_set(obj, _del_hook);
 236         elm_widget_theme_hook_set(obj, _theme_hook);
 237
 238         wd->parent = parent;
 239         wd->num = 0;
 240
 241         wd->box = elm_box_add(obj);
 242         evas_object_event_callback_add(wd->box, EVAS_CALLBACK_CHANGED_SIZE_HINTS, _changed_size_hints, obj);
 243         evas_object_show(wd->box);
 244         elm_widget_resize_object_set(obj, wd->box);
 245
 246         _sizing_eval(obj);
 247         return obj;
 248 }
 249
 250 /**
 251  * Append an item to the dialogue group.
 252  *
 253  * @param obj dialoguegroup object
 254  * @param subobj item
 255  * @return Dialogue_Item pointer, just made by this function
 256  *
 257  * @ingroup DialogueGroup
 258  */
 259 EAPI Dialogue_Item *
 260 elm_dialoguegroup_append(Evas_Object *obj, Evas_Object *subobj, Elm_Dialoguegroup_Item_Style style)
 261 {
 262         ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 263         Widget_Data *wd = elm_widget_data_get(obj);
 264         Dialogue_Item *item = NULL, *new_item = NULL;
 265
 266         if (!wd || !subobj) return NULL;
 267
 268         if (!wd->items)
 269                 new_item = _create_item(obj, subobj, style, "default");
 270         else {
 271                 if (wd->num == 1) {
 272                         item = eina_list_data_get(wd->items);
 273                         _change_item_bg(item, "top");
 274                 }
 275                 else {
 276                         item = eina_list_data_get( eina_list_last(wd->items) );
 277                         _change_item_bg(item, "middle");
 278                 }
 279                 new_item = _create_item(obj, subobj, style, "bottom");
 280 //              _set_line_show(item, new_item);
 281         }
 282         elm_box_pack_end(wd->box, new_item->bg_layout);
 283         wd->items = eina_list_append(wd->items, new_item);
 284         wd->num++;
 285         _sizing_eval(obj);
 286         return new_item;
 287 }
 288
 289
 290 /**
 291  * Prepend an item to the dialogue group.
 292  *
 293  * @param obj dialoguegroup object
 294  * @param subobj item
 295  * @return Dialogue_Item pointer, just made by this function
 296  *
 297  * @ingroup DialogueGroup
 298  */
 299 EAPI Dialogue_Item *
 300 elm_dialoguegroup_prepend(Evas_Object *obj, Evas_Object *subobj, Elm_Dialoguegroup_Item_Style style)
 301 {
 302         ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 303         Widget_Data *wd = elm_widget_data_get(obj);
 304         Dialogue_Item *item = NULL, *new_item = NULL;
 305
 306         if (!wd || !subobj) return NULL;
 307
 308         if (!wd->items)
 309                 new_item = _create_item(obj, subobj, style, "default");
 310         else {
 311                 if (wd->num == 1) {
 312                         item = eina_list_data_get(wd->items);
 313                         _change_item_bg(item, "bottom");
 314                 }
 315                 else {
 316                         item = eina_list_data_get(wd->items);
 317                         _change_item_bg(item, "middle");
 318                 }
 319                 new_item = _create_item(obj, subobj, style, "top");
 320 //              _set_line_show(new_item, item);
 321         }
 322         if(wd->title_layout)
 323                 elm_box_pack_after(wd->box, new_item->bg_layout, wd->title_layout);
 324         else
 325                 elm_box_pack_start(wd->box, new_item->bg_layout);
 326         wd->items = eina_list_prepend(wd->items, new_item);
 327         wd->num++;
 328         _sizing_eval(obj);
 329         return new_item;
 330 }
 331
 332 /**
 333  * Insert an item to the dialogue group just after the specified item.
 334  *
 335  * @param obj dialoguegroup object
 336  * @param subobj item
 337  * @param after specified item existing in the dialogue group
 338  * @return Dialogue_Item pointer, just made by this function
 339  *
 340  * @ingroup DialogueGroup
 341  */
 342 EAPI Dialogue_Item *
 343 elm_dialoguegroup_insert_after(Evas_Object *obj, Evas_Object *subobj, Dialogue_Item *after, Elm_Dialoguegroup_Item_Style style)
 344 {
 345         ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 346         Widget_Data *wd = elm_widget_data_get(obj);
 347         Dialogue_Item *after_item = NULL, *item = NULL;
 348         Eina_List *l;
 349
 350         if (!wd || !subobj || !after || !wd->items) return NULL;
 351
 352         EINA_LIST_FOREACH(wd->items, l, after_item) {
 353                 if(after == after_item) {
 354                         if( !strcmp(after_item->location, "default") ) {
 355                                 _change_item_bg(after_item, "top");
 356                                 item = _create_item(obj, subobj, style, "bottom");
 357                         }
 358                         else if( !strcmp(after_item->location, "top") || !strcmp(after_item->location, "middle") )
 359                                 item = _create_item(obj, subobj, style, "middle");
 360                         else if( !strcmp(after_item->location, "bottom") ) {
 361                                 _change_item_bg(after_item, "middle");
 362                                 item = _create_item(obj, subobj, style, "bottom");
 363                         }
 364
 365                         elm_box_pack_after(wd->box, item->bg_layout, after_item->bg_layout);
 366                         wd->items = eina_list_append_relative(wd->items, item, after_item);
 367                 //      _set_line_show(after, item);
 368                 }
 369         }
 370
 371         wd->num++;
 372         _sizing_eval(obj);
 373         return item;
 374 }
 375
 376 /**
 377  * Insert an item to the dialogue group just before the specified item.
 378  *
 379  * @param obj dialoguegroup object
 380  * @param subobj item
 381  * @param before specified item existing in the dialogue group
 382  * @return Dialogue_Item pointer, just made by this function
 383  *
 384  * @ingroup DialogueGroup
 385  */
 386 EAPI Dialogue_Item *
 387 elm_dialoguegroup_insert_before(Evas_Object *obj, Evas_Object *subobj, Dialogue_Item *before, Elm_Dialoguegroup_Item_Style style)
 388 {
 389         ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 390         Widget_Data *wd = elm_widget_data_get(obj);
 391         Dialogue_Item *before_item = NULL, *item = NULL;
 392         Eina_List *l;
 393         Eina_List *prev;
 394
 395         if (!wd || !subobj || !before || !wd->items) return NULL;
 396
 397         EINA_LIST_FOREACH(wd->items, l, before_item) {
 398                 if(before == before_item) {
 399                         if( !strcmp(before_item->location, "default") ) {
 400                                 _change_item_bg(before_item, "bottom");
 401                                 item = _create_item(obj, subobj, style, "top");
 402                         }
 403
 404                         else if( !strcmp(before_item->location, "top") ) {
 405                                 _change_item_bg(before_item, "middle");
 406                                 item = _create_item(obj, subobj, style, "top");
 407                         }
 408
 409                         else if( !strcmp(before_item->location, "middle") || !strcmp(before_item->location, "bottom") ) {
 410                                 item = _create_item(obj, subobj, style, "middle");
 411                                 prev = eina_list_prev(l);
 412                         //      _set_line_show(prev->data, item);
 413                         }
 414                         elm_box_pack_before(wd->box, item->bg_layout, before_item->bg_layout);
 415                         wd->items = eina_list_prepend_relative(wd->items, item, before_item);
 416                 }
 417         }
 418
 419         wd->num++;
 420         _sizing_eval(obj);
 421         return item;
 422 }
 423
 424 /**
 425  * Remove an item from the dialogue group.
 426  *
 427  * @param obj dialoguegroup object
 428  * @param subobj item
 429  *
 430  * @ingroup DialogueGroup
 431  */
 432 EAPI void
 433 elm_dialoguegroup_remove(Dialogue_Item *item)
 434 {
 435         ELM_CHECK_WIDTYPE(item->parent, widtype) ;
 436         Dialogue_Item *current_item;
 437         Widget_Data *wd = elm_widget_data_get(item->parent);
 438         Eina_List *l;
 439
 440         if (!wd || !wd->items || !item) return ;
 441
 442         EINA_LIST_FOREACH(wd->items, l, current_item) {
 443                 if (current_item == item) {
 444                         if (current_item->content){
 445                                 evas_object_del(current_item->content);
 446                                 current_item->content = NULL;
 447                         }
 448                         if (current_item->bg_layout){
 449                                 evas_object_del(current_item->bg_layout);
 450                                 current_item->bg_layout = NULL;
 451                         }
 452                         elm_box_unpack(wd->box, current_item->bg_layout);
 453                         wd->items = eina_list_remove(wd->items, current_item);
 454                 }
 455         }
 456
 457         wd->num--;
 458
 459         if (wd->num == 0) return;
 460
 461         if (wd->num == 1) {
 462                 current_item = eina_list_data_get(wd->items);
 463                 _change_item_bg(current_item, "default");
 464         }
 465
 466         else {
 467                 current_item = eina_list_data_get(wd->items);
 468                 _change_item_bg(current_item, "top");
 469                 current_item = eina_list_data_get( eina_list_last(wd->items) );
 470                 _change_item_bg(current_item, "bottom");
 471         }
 472
 473         _sizing_eval(item->parent);
 474 }
 475
 476 /**
 477  * Remove all items from the dialogue group.
 478  *
 479  * @param obj dialoguegroup object
 480  *
 481  * @ingroup DialogueGroup
 482  */
 483 EAPI void
 484 elm_dialoguegroup_remove_all(Evas_Object *obj)
 485 {
 486         ELM_CHECK_WIDTYPE(obj, widtype);
 487         _remove_all(obj);
 488         _sizing_eval(obj);
 489 }
 490
 491
 492 /**
 493  * Set the title text of the  dialogue group.
 494  *
 495  * @param obj dialoguegroup object
 496  * @param title title text, if NULL title space will be disappeared
 497  *
 498  * @ingroup DialogueGroup
 499  */
 500 EAPI void
 501 elm_dialoguegroup_title_set(Evas_Object *obj, const char *title)
 502 {
 503         ELM_CHECK_WIDTYPE(obj, widtype);
 504         Widget_Data *wd = elm_widget_data_get(obj);
 505
 506         if (!wd) return ;
 507         eina_stringshare_replace(&wd->title, title);
 508         if (!title) {
 509                 wd->title = NULL;
 510                 elm_box_unpack(wd->box, wd->title_layout);
 511         }
 512         if (!wd->title_layout) {
 513                 wd->title_layout = elm_layout_add(wd->box);
 514                 elm_layout_theme_set(wd->title_layout, "dialoguegroup", "base", "title");
 515                 evas_object_size_hint_weight_set(wd->title_layout, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 516                 evas_object_size_hint_align_set(wd->title_layout, EVAS_HINT_FILL, 0.0);
 517                 evas_object_show(wd->title_layout);
 518         }
 519         edje_object_part_text_set(elm_layout_edje_get(wd->title_layout), "text", title);
 520         elm_box_pack_start(wd->box, wd->title_layout);
 521 }
 522
 523 /**
 524  * Get the title text of the dialogue group
 525  *
 526  * @param obj The dialoguegroup object
 527  * @return The text title string in UTF-8
 528  *
 529  * @ingroup DialogueGroup
 530  */
 531 EAPI const char *
 532 elm_dialoguegroup_title_get(Evas_Object *obj)
 533 {
 534    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 535    Widget_Data *wd = elm_widget_data_get(obj);
 536    if (!wd) return NULL;
 537    return wd->title;
 538 }
 539
 540 /**
 541  * Set whether the press effect will be shown or not
 542  *
 543  * @param obj The dialoguegroup object
 544  * @param item Dialogue_Item pointer
 545  * @param press If set as 1, press effect will be shown
 546  *
 547  * @ingroup DialogueGroup
 548  */
 549 EAPI void
 550 elm_dialoguegroup_press_effect_set(Dialogue_Item *item, Eina_Bool press)
 551 {
 552    ELM_CHECK_WIDTYPE(item->parent, widtype) ;
 553    if(!item) return;
 554
 555    item->press = press;
 556    if(press == EINA_TRUE)
 557            edje_object_signal_emit(elm_layout_edje_get(item->bg_layout), "elm,state,press,on", "elm");
 558    else
 559            edje_object_signal_emit(elm_layout_edje_get(item->bg_layout), "elm,state,press,off", "elm");
 560 }
 561
 562 /**
 563  * Get the press effect state
 564  *
 565  * @param obj The dialoguegroup object
 566  * @param item Dialogue_Item pointer
 567  * @return 1 if press effect on, 0 if press effect off
 568  *
 569  * @ingroup DialogueGroup
 570  */
 571 EAPI Eina_Bool
 572 elm_dialoguegroup_press_effect_get(Dialogue_Item *item)
 573 {
 574    ELM_CHECK_WIDTYPE(item->parent, widtype) EINA_FALSE;
 575    if(!item) return EINA_FALSE;
 576
 577    return item->press;
 578 }
 579
 580 /**
 581  * Get the conetent object from the specified dialogue item
 582  *
 583  * @param obj The dialoguegroup object
 584  * @param item Dialogue_Item pointer
 585  * @return content object
 586  *
 587  * @ingroup DialogueGroup
 588  */
 589 EAPI Evas_Object *
 590 elm_dialoguegroup_item_content_get(Dialogue_Item *item)
 591 {
 592    ELM_CHECK_WIDTYPE(item->parent, widtype) EINA_FALSE;
 593    if(!item) return EINA_FALSE;
 594
 595    return item->content;
 596 }