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 typedef struct _Dialogue_Item Dialogue_Item;
  13 struct _Dialogue_Item
  14 {
  15         Evas_Object *parent;
  16         Evas_Object *bg_layout;
  17         Evas_Object *content_layout;
  18 };
  19
  20
  21 typedef struct _Widget_Data Widget_Data;
  22 struct _Widget_Data
  23 {
  24         Evas_Object *parent;
  25         Evas *e;
  26         Evas_Object *box;
  27         Evas_Object *title_layout;
  28         const char *title;
  29         unsigned int num;
  30         Eina_List *items;
  31 };
  32
  33 static const char*widtype = NULL;
  34
  35 static void _del_hook(Evas_Object *obj);
  36 static void _theme_hook(Evas_Object *obj);
  37 static void _sizing_eval(Evas_Object *obj);
  38 static void _disable_hook(Evas_Object *obj);
  39
  40 static void _remove_all(Evas_Object *obj);
  41 static void _change_item_bg(Dialogue_Item *item, const char *style);
  42 static Dialogue_Item* _create_item(Evas_Object *obj, Evas_Object *subobj, const char *style);
  43
  44
  45 static void
  46 _del_hook(Evas_Object *obj)
  47 {
  48         Widget_Data *wd = elm_widget_data_get(obj);
  49
  50         if (!wd) return;
  51         if (wd->title) eina_stringshare_del(wd->title);
  52
  53         _remove_all(obj);
  54
  55         if (wd->box){
  56                 evas_object_del(wd->box);
  57                 wd->box = NULL;
  58         }
  59
  60         free(wd);
  61 }
  62
  63
  64 static void
  65 _theme_hook(Evas_Object *obj)
  66 {
  67         Widget_Data *wd = elm_widget_data_get(obj);
  68         Eina_List *l;
  69         Dialogue_Item *item;
  70
  71         if (!wd) return;
  72         if (wd->title) {
  73                 elm_layout_theme_set(wd->title_layout, "dialoguegroup", "base", "title");
  74                 edje_object_part_text_set(elm_layout_edje_get(wd->title_layout), "text", wd->title);
  75         }
  76         EINA_LIST_FOREACH(wd->items, l, item)
  77                 _change_item_bg( item, elm_widget_style_get(item->bg_layout) );
  78         _sizing_eval(obj);
  79 }
  80
  81 static void
  82 _disable_hook(Evas_Object *obj)
  83 {
  84
  85 }
  86
  87 static void
  88 _sizing_eval(Evas_Object *obj)
  89 {
  90         Widget_Data *wd = elm_widget_data_get(obj);
  91         Evas_Coord minw, minh, maxw, maxh;
  92
  93         if (!wd) return;
  94         evas_object_size_hint_min_get(wd->box, &minw, &minh);
  95         evas_object_size_hint_max_get(wd->box, &maxw, &maxh);
  96         evas_object_size_hint_min_set(obj, minw, minh);
  97         evas_object_size_hint_max_set(obj, maxw, maxh);
  98 }
  99
 100 static void _remove_all(Evas_Object *obj)
 101 {
 102         Widget_Data *wd = elm_widget_data_get(obj);
 103         Dialogue_Item *item;
 104
 105         if (!wd) return;
 106
 107         wd->num = 0;
 108
 109         if (wd->items) {
 110                 EINA_LIST_FREE(wd->items, item) {
 111                         if (item->content_layout){
 112                                 evas_object_del(item->content_layout);
 113                                 item->content_layout = NULL;
 114                         }
 115                         if (item->bg_layout){
 116                                 evas_object_del(item->bg_layout);
 117                                 item->bg_layout = NULL;
 118                         }
 119                         free(item);
 120                 }
 121         }
 122 }
 123
 124 static void _change_item_bg(Dialogue_Item *item, const char *style)
 125 {
 126         if (!item) return;
 127
 128         elm_layout_theme_set(item->bg_layout, "dialoguegroup", "bg", style);
 129         elm_object_style_set(item->bg_layout, style);
 130         elm_layout_content_set(item->bg_layout, "swallow", item->content_layout);
 131 }
 132
 133 static Dialogue_Item* _create_item(Evas_Object *obj, Evas_Object *subobj, const char *style)
 134 {
 135         Widget_Data *wd = elm_widget_data_get(obj);
 136         Dialogue_Item *item;
 137
 138         if (!wd) return NULL;
 139
 140         item = ELM_NEW(Dialogue_Item);
 141         item->parent = obj;
 142         item->content_layout = subobj;
 143
 144         item->bg_layout = elm_layout_add(wd->parent);
 145         elm_layout_theme_set(item->bg_layout, "dialoguegroup", "bg", style );
 146         elm_object_style_set(item->bg_layout, style);
 147         evas_object_size_hint_weight_set(item->bg_layout, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 148         evas_object_size_hint_align_set(item->bg_layout, EVAS_HINT_FILL, 0.0);
 149         evas_object_show(item->bg_layout);
 150
 151         elm_layout_content_set(item->bg_layout, "swallow", item->content_layout);
 152
 153         return item;
 154 }
 155
 156 static void _changed_size_hints(void *data, Evas *e, Evas_Object *obj, void *event_info)
 157 {
 158         _sizing_eval(data);
 159 }
 160
 161 /**
 162  * Add a new dialoguegroup to the parent.
 163  *
 164  * @param parent The parent object
 165  * @return The new object or NULL if it cannot be created
 166  *
 167  * @ingroup DialogueGroup
 168  */
 169 EAPI Evas_Object *elm_dialoguegroup_add(Evas_Object *parent)
 170 {
 171         Evas_Object *obj = NULL;
 172         Widget_Data *wd = NULL;
 173
 174         wd = ELM_NEW(Widget_Data);
 175         wd->e = evas_object_evas_get(parent);
 176         if (wd->e == NULL) return NULL;
 177         obj = elm_widget_add(wd->e);
 178         ELM_SET_WIDTYPE(widtype, "dialoguegroup");
 179         elm_widget_type_set(obj, "dialoguegroup");
 180         elm_widget_sub_object_add(parent, obj);
 181         elm_widget_data_set(obj, wd);
 182         elm_widget_del_hook_set(obj, _del_hook);
 183         elm_widget_theme_hook_set(obj, _theme_hook);
 184
 185         wd->parent = parent;
 186         wd->num = 0;
 187
 188         wd->box = elm_box_add(parent);
 189         evas_object_event_callback_add(wd->box, EVAS_CALLBACK_CHANGED_SIZE_HINTS, _changed_size_hints, obj);
 190         evas_object_show(wd->box);
 191         elm_widget_resize_object_set(obj, wd->box);
 192
 193         _sizing_eval(obj);
 194         return obj;
 195 }
 196
 197 /**
 198  * Append an item to the dialogue group.
 199  *
 200  * @param obj dialoguegroup object
 201  * @param subobj item
 202  *
 203  * @ingroup DialogueGroup
 204  */
 205 EAPI void
 206 elm_dialoguegroup_append(Evas_Object *obj, Evas_Object *subobj)
 207 {
 208         ELM_CHECK_WIDTYPE(obj, widtype);
 209         Widget_Data *wd = elm_widget_data_get(obj);
 210         Dialogue_Item *item;
 211
 212         if (!wd || !subobj) return;
 213
 214         if (!wd->items) {
 215                 item = _create_item(obj, subobj, "default");
 216                 elm_box_pack_end(wd->box, item->bg_layout);
 217                 wd->items = eina_list_append(wd->items, item);
 218         }
 219
 220         else {
 221                 if (wd->num == 1) {
 222                         item = eina_list_data_get(wd->items);
 223                         _change_item_bg(item, "top");
 224                 }
 225                 else {
 226                         item = eina_list_data_get( eina_list_last(wd->items) );
 227                         _change_item_bg(item, "middle");
 228                 }
 229                 item = _create_item(obj, subobj, "bottom");
 230                 elm_box_pack_end(wd->box, item->bg_layout);
 231                 wd->items = eina_list_append(wd->items, item);
 232         }
 233
 234         wd->num++;
 235         _sizing_eval(obj);
 236 }
 237
 238
 239 /**
 240  * Prepend an item to the dialogue group.
 241  *
 242  * @param obj dialoguegroup object
 243  * @param subobj item
 244  *
 245  * @ingroup DialogueGroup
 246  */
 247 EAPI void
 248 elm_dialoguegroup_prepend(Evas_Object *obj, Evas_Object *subobj)
 249 {
 250         ELM_CHECK_WIDTYPE(obj, widtype);
 251         Widget_Data *wd = elm_widget_data_get(obj);
 252         Dialogue_Item *item;
 253
 254         if (!wd || !subobj) return;
 255
 256         if (!wd->items) {
 257                 item = _create_item(obj, subobj, "default");
 258                 if(wd->title_layout)
 259                         elm_box_pack_after(wd->box, item->bg_layout, wd->title_layout);
 260                 else
 261                         elm_box_pack_start(wd->box, item->bg_layout);
 262                 wd->items = eina_list_prepend(wd->items, item);
 263         }
 264
 265         else {
 266                 if (wd->num == 1) {
 267                         item = eina_list_data_get(wd->items);
 268                         _change_item_bg(item, "bottom");
 269                 }
 270                 else {
 271                         item = eina_list_data_get(wd->items);
 272                         _change_item_bg(item, "middle");
 273                 }
 274                 item = _create_item(obj, subobj, "top");
 275                 if(wd->title_layout)
 276                         elm_box_pack_after(wd->box, item->bg_layout, wd->title_layout);
 277                 else
 278                         elm_box_pack_start(wd->box, item->bg_layout);
 279                 wd->items = eina_list_prepend(wd->items, item);
 280         }
 281
 282         wd->num++;
 283         _sizing_eval(obj);
 284 }
 285
 286 /**
 287  * Insert an item to the dialogue group just after the specified item.
 288  *
 289  * @param obj dialoguegroup object
 290  * @param subobj item
 291  * @param after specified item existing in the dialogue group
 292  *
 293  * @ingroup DialogueGroup
 294  */
 295 EAPI void
 296 elm_dialoguegroup_insert_after(Evas_Object *obj, Evas_Object *subobj, Evas_Object *after)
 297 {
 298         ELM_CHECK_WIDTYPE(obj, widtype);
 299         Widget_Data *wd = elm_widget_data_get(obj);
 300         Dialogue_Item *after_item, *item;
 301         Eina_List *l;
 302         const char *style;
 303
 304         if (!wd || !subobj || !after || !wd->items) return ;
 305
 306         EINA_LIST_FOREACH(wd->items, l, after_item) {
 307                 if( after == after_item->content_layout ) {
 308                         style = elm_object_style_get(after_item->bg_layout);
 309
 310                         if( !strcmp(style, "default") ) {
 311                                 _change_item_bg(after_item, "top");
 312                                 item = _create_item(obj, subobj, "bottom");
 313                         }
 314                         else if( !strcmp(style, "top") || !strcmp(style, "middle") )
 315                                 item = _create_item(obj, subobj, "middle");
 316                         else if( !strcmp(style, "bottom") ) {
 317                                 _change_item_bg(after_item, "middle");
 318                                 item = _create_item(obj, subobj, "bottom");
 319                         }
 320
 321                         elm_box_pack_after(wd->box, item->bg_layout, after_item->bg_layout);
 322                         wd->items = eina_list_append_relative(wd->items, item, after_item);
 323                 }
 324         }
 325
 326         wd->num++;
 327
 328         _sizing_eval(obj);
 329 }
 330
 331 /**
 332  * Insert an item to the dialogue group just before the specified item.
 333  *
 334  * @param obj dialoguegroup object
 335  * @param subobj item
 336  * @param before specified item existing in the dialogue group
 337  *
 338  * @ingroup DialogueGroup
 339  */
 340 EAPI void
 341 elm_dialoguegroup_insert_before(Evas_Object *obj, Evas_Object *subobj, Evas_Object *before)
 342 {
 343         ELM_CHECK_WIDTYPE(obj, widtype);
 344         Widget_Data *wd = elm_widget_data_get(obj);
 345         Dialogue_Item *before_item, *item;
 346         Eina_List *l;
 347         const char *style;
 348
 349         if (!wd || !subobj || !before || !wd->items) return ;
 350
 351         EINA_LIST_FOREACH(wd->items, l, before_item) {
 352                 if( before == before_item->content_layout ) {
 353                         style = elm_object_style_get(before_item->bg_layout);
 354
 355                         if( !strcmp(style, "default") ) {
 356                                 _change_item_bg(before_item, "bottom");
 357                                 item = _create_item(obj, subobj, "top");
 358                         }
 359
 360                         else if( !strcmp(style, "top") ) {
 361                                 _change_item_bg(before_item, "middle");
 362                                 item = _create_item(obj, subobj, "top");
 363                         }
 364
 365                         else if( !strcmp(style, "middle") || !strcmp(style, "bottom") )
 366                                 item = _create_item(obj, subobj, "middle");
 367
 368                         elm_box_pack_before(wd->box, item->bg_layout, before_item->bg_layout);
 369                         wd->items = eina_list_prepend_relative(wd->items, item, before_item);
 370                 }
 371         }
 372
 373         wd->num++;
 374
 375         _sizing_eval(obj);
 376 }
 377
 378 /**
 379  * Remove an item from the dialogue group.
 380  *
 381  * @param obj dialoguegroup object
 382  * @param subobj item
 383  *
 384  * @ingroup DialogueGroup
 385  */
 386 EAPI void
 387 elm_dialoguegroup_remove(Evas_Object *obj, Evas_Object *subobj)
 388 {
 389         ELM_CHECK_WIDTYPE(obj, widtype);
 390         Widget_Data *wd = elm_widget_data_get(obj);
 391         Dialogue_Item *item;
 392         Eina_List *l;
 393
 394         if (!wd || !subobj || !wd->items) return ;
 395
 396         EINA_LIST_FOREACH(wd->items, l, item) {
 397                 if (subobj == item->content_layout) {
 398                         if (item->content_layout){
 399                                 evas_object_del(item->content_layout);
 400                                 item->content_layout = NULL;
 401                         }
 402                         if (item->bg_layout){
 403                                 evas_object_del(item->bg_layout);
 404                                 item->bg_layout = NULL;
 405                         }
 406                         elm_box_unpack(wd->box, item->bg_layout);
 407                         wd->items = eina_list_remove(wd->items, item);
 408                 }
 409         }
 410
 411         wd->num--;
 412
 413         if (wd->num == 0) return;
 414
 415         if (wd->num == 1) {
 416                 item = eina_list_data_get(wd->items);
 417                 _change_item_bg(item, "default");
 418         }
 419
 420         else {
 421                 item = eina_list_data_get(wd->items);
 422                 _change_item_bg(item, "top");
 423                 item = eina_list_data_get( eina_list_last(wd->items) );
 424                 _change_item_bg(item, "bottom");
 425         }
 426
 427         _sizing_eval(obj);
 428 }
 429
 430 /**
 431  * Remove all items from the dialogue group.
 432  *
 433  * @param obj dialoguegroup object
 434  *
 435  * @ingroup DialogueGroup
 436  */
 437 EAPI void
 438 elm_dialoguegroup_remove_all(Evas_Object *obj)
 439 {
 440         ELM_CHECK_WIDTYPE(obj, widtype);
 441         _remove_all(obj);
 442         _sizing_eval(obj);
 443 }
 444
 445
 446 /**
 447  * Set the title text of the  dialogue group.
 448  *
 449  * @param obj dialoguegroup object
 450  * @param title title text, if NULL title space will be disappeared
 451  *
 452  * @ingroup DialogueGroup
 453  */
 454 EAPI void
 455 elm_dialoguegroup_title_set(Evas_Object *obj, const char *title)
 456 {
 457         ELM_CHECK_WIDTYPE(obj, widtype);
 458         Widget_Data *wd = elm_widget_data_get(obj);
 459
 460         if (!wd) return ;
 461         eina_stringshare_replace(&wd->title, title);
 462         if (!title) {
 463                 wd->title = NULL;
 464                 elm_box_unpack(wd->box, wd->title_layout);
 465         }
 466         if (!wd->title_layout) {
 467                 wd->title_layout = elm_layout_add(wd->parent);
 468                 elm_widget_sub_object_add(obj, wd->title_layout);
 469                 elm_layout_theme_set(wd->title_layout, "dialoguegroup", "base", "title");
 470                 evas_object_size_hint_weight_set(wd->title_layout, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 471                 evas_object_size_hint_align_set(wd->title_layout, EVAS_HINT_FILL, 0.0);
 472                 evas_object_show(wd->title_layout);
 473         }
 474         edje_object_part_text_set(elm_layout_edje_get(wd->title_layout), "text", title);
 475         elm_box_pack_start(wd->box, wd->title_layout);
 476 }
 477
 478 /**
 479  * Get the title text of the dialogue group
 480  *
 481  * @param obj The dialoguegroup object
 482  * @return The text title string in UTF-8
 483  *
 484  * @ingroup Slider
 485  */
 486 EAPI const char *
 487 elm_dialoguegroup_title_get(Evas_Object *obj)
 488 {
 489    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 490    Widget_Data *wd = elm_widget_data_get(obj);
 491    if (!wd) return NULL;
 492    return wd->title;
 493 }
 494