src/lib/elm_searchbar.c

   1 /*
   2  * vim:ts=8:sw=3:sts=8:noexpandtab:cino=>5n-3f0^-2{2
   3  */
   4 #include <Elementary.h>
   5 #include "elm_priv.h"
   6
   7 /**
   8  * @defgroup Searchbar Searchbar
   9  * @ingroup Elementary
  10  *
  11  * This is Searchbar.
  12  * It can contain a simple entry and button object.
  13  */
  14
  15 typedef struct _Widget_Data Widget_Data;
  16
  17 struct _Widget_Data
  18 {
  19    Evas_Object *base, *ef, *cancel_btn;
  20    Eina_Bool cancel_btn_ani_flag;
  21    Eina_Bool cancel_btn_show_mode;
  22    Eina_Bool boundary_mode;
  23    Ecore_Idler *idler;
  24 };
  25
  26 static const char *widtype = NULL;
  27 static void _del_hook(Evas_Object *obj);
  28 static void _theme_hook(Evas_Object *obj);
  29 static void _on_focus_hook(void *data, Evas_Object *obj);
  30 static void _sizing_eval(Evas_Object *obj);
  31 static void _clicked(void *data, Evas_Object *obj, void *event_info);
  32 static void _changed(void *data, Evas_Object *obj, void *event_info);
  33 static void _cancel_clicked(void *data, Evas_Object *obj, void *event_info);
  34
  35 static void _del_hook(Evas_Object *obj)
  36 {
  37    Widget_Data *wd = elm_widget_data_get(obj);
  38
  39    if (!wd) return;
  40    if (wd->idler) ecore_idler_del(wd->idler);
  41
  42    free(wd);
  43 }
  44
  45 static void _theme_hook(Evas_Object *obj)
  46 {
  47    Widget_Data *wd = elm_widget_data_get(obj);
  48    char buf[4096];
  49
  50    if (!wd) return;
  51
  52    _elm_theme_object_set(obj, wd->base, "searchbar", "base", elm_widget_style_get(obj));
  53
  54    if (wd->ef)
  55      edje_object_part_swallow(wd->base, "search_textfield", wd->ef);
  56    if (wd->cancel_btn)
  57      edje_object_part_swallow(wd->base, "button_cancel", wd->cancel_btn);
  58
  59    snprintf(buf, sizeof(buf), "searchbar/%s", elm_widget_style_get(obj));
  60    elm_object_style_set(wd->ef, buf);
  61
  62    snprintf(buf, sizeof(buf), "searchbar/%s", elm_widget_style_get(obj));
  63    elm_object_style_set(wd->cancel_btn, buf);
  64
  65    edje_object_scale_set(wd->cancel_btn, elm_widget_scale_get(obj) * _elm_config->scale);
  66    _sizing_eval(obj);
  67 }
  68
  69 static void
  70 _on_focus_hook(void *data __UNUSED__, Evas_Object *obj)
  71 {
  72    Widget_Data *wd = elm_widget_data_get(obj);
  73    if (!wd || !wd->base)
  74       return;
  75
  76    if (elm_widget_focus_get(obj) && wd->cancel_btn_show_mode)
  77      {
  78         if (wd->cancel_btn_ani_flag) edje_object_signal_emit(wd->base, "CANCELIN", "PROG");
  79         else edje_object_signal_emit(wd->base, "CANCELSHOW", "PROG");
  80      }
  81    else
  82      {
  83         if (wd->cancel_btn_ani_flag) edje_object_signal_emit(wd->base, "CANCELOUT", "PROG");
  84         else edje_object_signal_emit(wd->base, "CANCELHIDE", "PROG");
  85      }
  86 }
  87
  88 static void _sizing_eval(Evas_Object *obj)
  89 {
  90    Widget_Data *wd = elm_widget_data_get(obj);
  91    Evas_Coord minw = -1, minh = -1, maxw = -1, maxh = -1;
  92
  93    if (!wd) return;
  94    elm_coords_finger_size_adjust(1, &minw, 1, &minh);
  95    edje_object_size_min_restricted_calc(wd->base, &minw, &minh, minw, minh);
  96    elm_coords_finger_size_adjust(1, &minw, 1, &minh);
  97    evas_object_size_hint_min_set(obj, minw, minh);
  98    evas_object_size_hint_max_set(obj, maxw, maxh);
  99 }
 100
 101 static void _clicked(void *data, Evas_Object *obj __UNUSED__,
 102                      void *event_info __UNUSED__)
 103 {
 104    Widget_Data *wd = elm_widget_data_get(data);
 105    if (!wd) return;
 106
 107    evas_object_smart_callback_call(data, "clicked", NULL);
 108 }
 109
 110 static Eina_Bool _delay_changed(void *data)
 111 {
 112    Widget_Data *wd = elm_widget_data_get(data);
 113
 114    if (!wd) return ECORE_CALLBACK_CANCEL;
 115
 116    evas_object_smart_callback_call(data, "delay-changed", NULL);
 117    wd->idler = NULL;
 118    return ECORE_CALLBACK_CANCEL;
 119 }
 120
 121 static void _changed(void *data, Evas_Object *obj __UNUSED__,
 122                      void *event_info __UNUSED__)
 123 {
 124    Widget_Data *wd = elm_widget_data_get(data);
 125
 126    if (!wd) return;
 127    if (!wd->idler)
 128       wd->idler = ecore_idler_add(_delay_changed, data);
 129 }
 130
 131 static void _cancel_clicked(void *data, Evas_Object *obj __UNUSED__,
 132                             void *event_info __UNUSED__)
 133 {
 134    Widget_Data *wd = elm_widget_data_get(data);
 135    if (!wd) return;
 136
 137    const char* text;
 138    text = elm_entry_entry_get(elm_editfield_entry_get(wd->ef));
 139    if (text != NULL && strlen(text) > 0)
 140      elm_entry_entry_set(elm_editfield_entry_get(wd->ef), NULL);
 141
 142    evas_object_smart_callback_call(data, "cancel,clicked", NULL);
 143    elm_object_unfocus(data);
 144 }
 145
 146 static void
 147 _basebg_clicked(void *data, Evas_Object *obj, const char *emission __UNUSED__,
 148                 const char *source)
 149 {
 150    Widget_Data *wd = elm_widget_data_get(data);
 151
 152    if (!wd) return;
 153
 154    if (!strcmp(source, "base_bg"))
 155       _clicked(data, obj, NULL);
 156 }
 157
 158 static void
 159 _searchsymbol_clicked(void *data, Evas_Object *obj __UNUSED__,
 160                       const char *emission __UNUSED__,
 161                       const char *source __UNUSED__)
 162 {
 163    Widget_Data *wd = elm_widget_data_get(data);
 164
 165    if (!wd) return;
 166    evas_object_smart_callback_call(data, "searchsymbol,clicked", NULL);
 167 }
 168
 169 /**
 170  * Add a new searchbar to the parent
 171  * @param parent The parent object
 172  * @return The new object or NULL if it cannot be created
 173  *
 174  * @ingroup Searchbar
 175  */
 176 EAPI Evas_Object *elm_searchbar_add(Evas_Object *parent)
 177 {
 178    Evas_Object *obj;
 179    Evas *e;
 180    Widget_Data *wd;
 181    char buf[4096];
 182
 183    ELM_WIDGET_STANDARD_SETUP(wd, Widget_Data, parent, e, obj, NULL);
 184
 185    ELM_SET_WIDTYPE(widtype, "searchbar");
 186    elm_widget_type_set(obj, "searchbar");
 187    elm_widget_sub_object_add(parent, obj);
 188    elm_widget_data_set(obj, wd);
 189    elm_widget_del_hook_set(obj, _del_hook);
 190    elm_widget_theme_hook_set(obj, _theme_hook);
 191    elm_widget_on_focus_hook_set( obj, _on_focus_hook, NULL );
 192    elm_widget_can_focus_set(obj, 1 );
 193
 194    wd->base = edje_object_add(e);
 195    if (wd->base == NULL) return NULL;
 196
 197    _elm_theme_object_set(obj, wd->base, "searchbar", "base", "default");
 198
 199    // Add Entry
 200    wd->ef = elm_editfield_add(parent);
 201    elm_object_style_set(wd->ef, "searchbar/default");
 202
 203    edje_object_part_swallow(wd->base, "search_textfield", wd->ef);
 204    elm_editfield_guide_text_set(wd->ef, E_("Search"));
 205    elm_editfield_entry_single_line_set(wd->ef, EINA_TRUE);
 206    elm_editfield_eraser_set(wd->ef, EINA_TRUE);
 207    evas_object_smart_callback_add(wd->ef, "clicked", _clicked, obj);
 208    evas_object_smart_callback_add(elm_editfield_entry_get(wd->ef), "changed", _changed, obj);
 209    edje_object_signal_callback_add(wd->base, "mouse,up,1", "*", _basebg_clicked, obj);
 210    edje_object_signal_callback_add(wd->base, "elm,action,click", "", _searchsymbol_clicked, obj);
 211
 212    elm_widget_sub_object_add(obj, wd->ef);
 213
 214    // Add Button
 215    wd->cancel_btn = elm_button_add(parent);
 216    edje_object_part_swallow(wd->base, "button_cancel", wd->cancel_btn);
 217
 218    snprintf(buf, sizeof(buf), "searchbar/%s", elm_widget_style_get(obj));
 219    elm_object_style_set(wd->cancel_btn, buf);
 220
 221    elm_object_text_set(wd->cancel_btn, E_("Cancel"));
 222    evas_object_smart_callback_add(wd->cancel_btn, "clicked", _cancel_clicked, obj);
 223    elm_widget_sub_object_add(obj, wd->cancel_btn);
 224
 225    wd->cancel_btn_ani_flag = EINA_FALSE;
 226    wd->cancel_btn_show_mode = EINA_TRUE;
 227    wd->boundary_mode = EINA_TRUE;
 228
 229    elm_widget_resize_object_set(obj, wd->base);
 230
 231    _sizing_eval(obj);
 232
 233    return obj;
 234 }
 235
 236 /**
 237  * set the text of entry
 238  *
 239  * @param obj The searchbar object
 240  * @return void
 241  *
 242  * @ingroup Searchbar
 243  */
 244 EAPI void elm_searchbar_text_set(Evas_Object *obj, const char *entry)
 245 {
 246    ELM_CHECK_WIDTYPE(obj, widtype);
 247    Widget_Data *wd = elm_widget_data_get(obj);
 248    if (!wd) return;
 249
 250    elm_entry_entry_set(elm_editfield_entry_get(wd->ef), entry);
 251 }
 252
 253 /**
 254  * get the text of entry
 255  *
 256  * @param obj The searchbar object
 257  * @return string pointer of entry
 258  *
 259  * @ingroup Searchbar
 260  */
 261 EAPI const char* elm_searchbar_text_get(Evas_Object *obj)
 262 {
 263    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 264    Widget_Data *wd = elm_widget_data_get(obj);
 265    if (!wd) return NULL;
 266
 267    return elm_entry_entry_get(elm_editfield_entry_get(wd->ef));
 268 }
 269
 270 /**
 271  * get the pointer of entry
 272  *
 273  * @param obj The searchbar object
 274  * @return the entry object
 275  *
 276  * @ingroup Searchbar
 277  */
 278 EAPI Evas_Object *elm_searchbar_entry_get(Evas_Object *obj)
 279 {
 280    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 281    Widget_Data *wd = elm_widget_data_get(obj);
 282    if (!wd) return NULL;
 283
 284    return elm_editfield_entry_get(wd->ef);
 285 }
 286
 287 /**
 288  * get the pointer of editfield
 289  *
 290  * @param obj The searchbar object
 291  * @return the editfield object
 292  *
 293  * @ingroup Searchbar
 294  */
 295 EAPI Evas_Object *elm_searchbar_editfield_get(Evas_Object *obj)
 296 {
 297    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 298    Widget_Data *wd = elm_widget_data_get(obj);
 299    if (!wd || !wd->ef) return NULL;
 300
 301    return wd->ef;
 302 }
 303
 304 /**
 305  * set the cancel button animation flag
 306  *
 307  * @param obj The searchbar object
 308  * @param cancel_btn_ani_flag The flag of animating cancen button or not
 309  * @return void
 310  *
 311  * @ingroup Searchbar
 312  */
 313 EAPI void elm_searchbar_cancel_button_animation_set(Evas_Object *obj, Eina_Bool cancel_btn_ani_flag)
 314 {
 315    ELM_CHECK_WIDTYPE(obj, widtype);
 316    Widget_Data *wd = elm_widget_data_get(obj);
 317    if (!wd) return;
 318
 319    if (wd->cancel_btn_ani_flag == cancel_btn_ani_flag) return;
 320    else wd->cancel_btn_ani_flag = cancel_btn_ani_flag;
 321 }
 322
 323 /**
 324  * set the cancel button show mode
 325  *
 326  * @param obj The searchbar object
 327  * @param visible The flag of cancen button show or not
 328  * @return void
 329  *
 330  * @ingroup Searchbar
 331  */
 332 EAPI void elm_searchbar_cancel_button_set(Evas_Object *obj, Eina_Bool visible)
 333 {
 334    ELM_CHECK_WIDTYPE(obj, widtype);
 335    Widget_Data *wd = elm_widget_data_get(obj);
 336    if (!wd) return;
 337
 338    if (wd->cancel_btn_show_mode == visible) return;
 339    else wd->cancel_btn_show_mode = visible;
 340
 341    if (!visible)
 342      {
 343         if (wd->cancel_btn_ani_flag)
 344            edje_object_signal_emit(wd->base, "CANCELOUT", "PROG");
 345         else
 346            edje_object_signal_emit(wd->base, "CANCELHIDE", "PROG");
 347      }
 348    _sizing_eval(obj);
 349 }
 350
 351 /**
 352  * clear searchbar status
 353  *
 354  * @param obj The searchbar object
 355  * @return void
 356  *
 357  * @ingroup Searchbar
 358  */
 359 EAPI void elm_searchbar_clear(Evas_Object *obj)
 360 {
 361    ELM_CHECK_WIDTYPE(obj, widtype);
 362    Widget_Data *wd = elm_widget_data_get(obj);
 363    if (!wd) return;
 364
 365    if (wd->cancel_btn_show_mode)
 366      {
 367         if (wd->cancel_btn_ani_flag)
 368            edje_object_signal_emit(wd->base, "CANCELOUT", "PROG");
 369         else
 370            edje_object_signal_emit(wd->base, "CANCELHIDE", "PROG");
 371      }
 372 //   elm_entry_entry_set(elm_editfield_entry_get(wd->ef), NULL);
 373 }
 374
 375 /**
 376  * set the searchbar boundary rect mode(with bg rect) set
 377  *
 378  * @param obj The searchbar object
 379  * @param boundary The present flag of boundary rect or not
 380  * @return void
 381  *
 382  * @ingroup Searchbar
 383  */
 384 EAPI void elm_searchbar_boundary_rect_set(Evas_Object *obj, Eina_Bool boundary)
 385 {
 386    ELM_CHECK_WIDTYPE(obj, widtype);
 387    Widget_Data *wd = elm_widget_data_get(obj);
 388    if (!wd) return;
 389
 390    if (wd->boundary_mode == boundary) return;
 391    else wd->boundary_mode = boundary;
 392
 393    if (wd->boundary_mode)
 394      {
 395         edje_object_signal_emit(wd->base, "BDSHOW", "PROG");
 396      }
 397    else
 398      {
 399         edje_object_signal_emit(wd->base, "BDHIDE", "PROG");
 400      }
 401    _sizing_eval(obj);
 402 }