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