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