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    if (elm_widget_focus_get(obj))
  76      {
  77         /*FIXME: Sending clicked signal to focus editfield once open source is merged
  78          * remove the below call
  79          */
  80         elm_object_signal_emit(wd->ef, "clicked", "elm");
  81         if (wd->cancel_btn_show_mode)
  82           {
  83              if (wd->cancel_btn_ani_flag) edje_object_signal_emit(wd->base, "CANCELIN", "PROG");
  84              else edje_object_signal_emit(wd->base, "CANCELSHOW", "PROG");
  85           }
  86      }
  87    else
  88      {
  89         if (wd->cancel_btn_ani_flag) edje_object_signal_emit(wd->base, "CANCELOUT", "PROG");
  90         else edje_object_signal_emit(wd->base, "CANCELHIDE", "PROG");
  91      }
  92 }
  93
  94 static void _sizing_eval(Evas_Object *obj)
  95 {
  96    Widget_Data *wd = elm_widget_data_get(obj);
  97    Evas_Coord minw = -1, minh = -1, maxw = -1, maxh = -1;
  98
  99    if (!wd) return;
 100    elm_coords_finger_size_adjust(1, &minw, 1, &minh);
 101    edje_object_size_min_restricted_calc(wd->base, &minw, &minh, minw, minh);
 102    elm_coords_finger_size_adjust(1, &minw, 1, &minh);
 103    evas_object_size_hint_min_set(obj, minw, minh);
 104    evas_object_size_hint_max_set(obj, maxw, maxh);
 105 }
 106
 107 static void _clicked(void *data, Evas_Object *obj __UNUSED__,
 108                      void *event_info __UNUSED__)
 109 {
 110    Widget_Data *wd = elm_widget_data_get(data);
 111    if (!wd) return;
 112
 113    evas_object_smart_callback_call(data, "clicked", NULL);
 114 }
 115
 116 static Eina_Bool _delay_changed(void *data)
 117 {
 118    Widget_Data *wd = elm_widget_data_get(data);
 119
 120    if (!wd) return ECORE_CALLBACK_CANCEL;
 121
 122    evas_object_smart_callback_call(data, "delay-changed", NULL);
 123    wd->idler = NULL;
 124    return ECORE_CALLBACK_CANCEL;
 125 }
 126
 127 static void _changed(void *data, Evas_Object *obj __UNUSED__,
 128                      void *event_info __UNUSED__)
 129 {
 130    Widget_Data *wd = elm_widget_data_get(data);
 131
 132    if (!wd) return;
 133    if (!wd->idler)
 134       wd->idler = ecore_idler_add(_delay_changed, data);
 135 }
 136
 137 static void _cancel_clicked(void *data, Evas_Object *obj __UNUSED__,
 138                             void *event_info __UNUSED__)
 139 {
 140    Widget_Data *wd = elm_widget_data_get(data);
 141    if (!wd) return;
 142
 143    const char* text;
 144    text = elm_entry_entry_get(elm_editfield_entry_get(wd->ef));
 145    if (text != NULL && strlen(text) > 0)
 146      elm_entry_entry_set(elm_editfield_entry_get(wd->ef), NULL);
 147
 148    evas_object_smart_callback_call(data, "cancel,clicked", NULL);
 149    elm_object_unfocus(data);
 150 }
 151
 152 static void
 153 _basebg_clicked(void *data, Evas_Object *obj, const char *emission __UNUSED__,
 154                 const char *source)
 155 {
 156    Widget_Data *wd = elm_widget_data_get(data);
 157
 158    if (!wd) return;
 159
 160    if (!strcmp(source, "base_bg"))
 161       _clicked(data, obj, NULL);
 162 }
 163
 164 static void
 165 _searchsymbol_clicked(void *data, Evas_Object *obj __UNUSED__,
 166                       const char *emission __UNUSED__,
 167                       const char *source __UNUSED__)
 168 {
 169    Widget_Data *wd = elm_widget_data_get(data);
 170
 171    if (!wd) return;
 172    evas_object_smart_callback_call(data, "searchsymbol,clicked", NULL);
 173 }
 174
 175 /**
 176  * Add a new searchbar to the parent
 177  * @param parent The parent object
 178  * @return The new object or NULL if it cannot be created
 179  *
 180  * @ingroup Searchbar
 181  */
 182 EAPI Evas_Object *elm_searchbar_add(Evas_Object *parent)
 183 {
 184    Evas_Object *obj;
 185    Evas *e;
 186    Widget_Data *wd;
 187    char buf[4096];
 188
 189    ELM_WIDGET_STANDARD_SETUP(wd, Widget_Data, parent, e, obj, NULL);
 190
 191    ELM_SET_WIDTYPE(widtype, "searchbar");
 192    elm_widget_type_set(obj, "searchbar");
 193    elm_widget_sub_object_add(parent, obj);
 194    elm_widget_data_set(obj, wd);
 195    elm_widget_del_hook_set(obj, _del_hook);
 196    elm_widget_theme_hook_set(obj, _theme_hook);
 197    elm_widget_on_focus_hook_set( obj, _on_focus_hook, NULL );
 198    elm_widget_can_focus_set(obj, 1 );
 199
 200    wd->base = edje_object_add(e);
 201    if (wd->base == NULL) return NULL;
 202
 203    _elm_theme_object_set(obj, wd->base, "searchbar", "base", "default");
 204
 205    // Add Entry
 206    wd->ef = elm_editfield_add(parent);
 207    elm_object_style_set(wd->ef, "searchbar/default");
 208
 209    edje_object_part_swallow(wd->base, "search_textfield", wd->ef);
 210    elm_editfield_guide_text_set(wd->ef, E_("Search"));
 211    elm_editfield_entry_single_line_set(wd->ef, EINA_TRUE);
 212    elm_editfield_eraser_set(wd->ef, EINA_TRUE);
 213    evas_object_smart_callback_add(wd->ef, "clicked", _clicked, obj);
 214    evas_object_smart_callback_add(elm_editfield_entry_get(wd->ef), "changed", _changed, obj);
 215    edje_object_signal_callback_add(wd->base, "mouse,up,1", "*", _basebg_clicked, obj);
 216    edje_object_signal_callback_add(wd->base, "elm,action,click", "", _searchsymbol_clicked, obj);
 217
 218    elm_widget_sub_object_add(obj, wd->ef);
 219
 220    // Add Button
 221    wd->cancel_btn = elm_button_add(parent);
 222    edje_object_part_swallow(wd->base, "button_cancel", wd->cancel_btn);
 223
 224    snprintf(buf, sizeof(buf), "searchbar/%s", elm_widget_style_get(obj));
 225    elm_object_style_set(wd->cancel_btn, buf);
 226
 227    elm_object_text_set(wd->cancel_btn, E_("Cancel"));
 228    evas_object_smart_callback_add(wd->cancel_btn, "clicked", _cancel_clicked, obj);
 229    elm_widget_sub_object_add(obj, wd->cancel_btn);
 230
 231    wd->cancel_btn_ani_flag = EINA_FALSE;
 232    wd->cancel_btn_show_mode = EINA_TRUE;
 233    wd->boundary_mode = EINA_TRUE;
 234
 235    elm_widget_resize_object_set(obj, wd->base);
 236
 237    _sizing_eval(obj);
 238
 239    return obj;
 240 }
 241
 242 /**
 243  * set the text of entry
 244  *
 245  * @param obj The searchbar object
 246  * @return void
 247  *
 248  * @ingroup Searchbar
 249  */
 250 EAPI void elm_searchbar_text_set(Evas_Object *obj, const char *entry)
 251 {
 252    ELM_CHECK_WIDTYPE(obj, widtype);
 253    Widget_Data *wd = elm_widget_data_get(obj);
 254    if (!wd) return;
 255
 256    elm_entry_entry_set(elm_editfield_entry_get(wd->ef), entry);
 257 }
 258
 259 /**
 260  * get the text of entry
 261  *
 262  * @param obj The searchbar object
 263  * @return string pointer of entry
 264  *
 265  * @ingroup Searchbar
 266  */
 267 EAPI const char* elm_searchbar_text_get(Evas_Object *obj)
 268 {
 269    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 270    Widget_Data *wd = elm_widget_data_get(obj);
 271    if (!wd) return NULL;
 272
 273    return elm_entry_entry_get(elm_editfield_entry_get(wd->ef));
 274 }
 275
 276 /**
 277  * get the pointer of entry
 278  *
 279  * @param obj The searchbar object
 280  * @return the entry object
 281  *
 282  * @ingroup Searchbar
 283  */
 284 EAPI Evas_Object *elm_searchbar_entry_get(Evas_Object *obj)
 285 {
 286    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 287    Widget_Data *wd = elm_widget_data_get(obj);
 288    if (!wd) return NULL;
 289
 290    return elm_editfield_entry_get(wd->ef);
 291 }
 292
 293 /**
 294  * get the pointer of editfield
 295  *
 296  * @param obj The searchbar object
 297  * @return the editfield object
 298  *
 299  * @ingroup Searchbar
 300  */
 301 EAPI Evas_Object *elm_searchbar_editfield_get(Evas_Object *obj)
 302 {
 303    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 304    Widget_Data *wd = elm_widget_data_get(obj);
 305    if (!wd || !wd->ef) return NULL;
 306
 307    return wd->ef;
 308 }
 309
 310 /**
 311  * set the cancel button animation flag
 312  *
 313  * @param obj The searchbar object
 314  * @param cancel_btn_ani_flag The flag of animating cancen button or not
 315  * @return void
 316  *
 317  * @ingroup Searchbar
 318  */
 319 EAPI void elm_searchbar_cancel_button_animation_set(Evas_Object *obj, Eina_Bool cancel_btn_ani_flag)
 320 {
 321    ELM_CHECK_WIDTYPE(obj, widtype);
 322    Widget_Data *wd = elm_widget_data_get(obj);
 323    if (!wd) return;
 324
 325    if (wd->cancel_btn_ani_flag == cancel_btn_ani_flag) return;
 326    else wd->cancel_btn_ani_flag = cancel_btn_ani_flag;
 327 }
 328
 329 /**
 330  * set the cancel button show mode
 331  *
 332  * @param obj The searchbar object
 333  * @param visible The flag of cancen button show or not
 334  * @return void
 335  *
 336  * @ingroup Searchbar
 337  */
 338 EAPI void elm_searchbar_cancel_button_set(Evas_Object *obj, Eina_Bool visible)
 339 {
 340    ELM_CHECK_WIDTYPE(obj, widtype);
 341    Widget_Data *wd = elm_widget_data_get(obj);
 342    if (!wd) return;
 343
 344    if (wd->cancel_btn_show_mode == visible) return;
 345    else wd->cancel_btn_show_mode = visible;
 346
 347    if (!visible)
 348      {
 349         if (wd->cancel_btn_ani_flag)
 350            edje_object_signal_emit(wd->base, "CANCELOUT", "PROG");
 351         else
 352            edje_object_signal_emit(wd->base, "CANCELHIDE", "PROG");
 353      }
 354    _sizing_eval(obj);
 355 }
 356
 357 /**
 358  * clear searchbar status
 359  *
 360  * @param obj The searchbar object
 361  * @return void
 362  *
 363  * @ingroup Searchbar
 364  */
 365 EAPI void elm_searchbar_clear(Evas_Object *obj)
 366 {
 367    ELM_CHECK_WIDTYPE(obj, widtype);
 368    Widget_Data *wd = elm_widget_data_get(obj);
 369    if (!wd) return;
 370
 371    if (wd->cancel_btn_show_mode)
 372      {
 373         if (wd->cancel_btn_ani_flag)
 374            edje_object_signal_emit(wd->base, "CANCELOUT", "PROG");
 375         else
 376            edje_object_signal_emit(wd->base, "CANCELHIDE", "PROG");
 377      }
 378 //   elm_entry_entry_set(elm_editfield_entry_get(wd->ef), NULL);
 379 }
 380
 381 /**
 382  * set the searchbar boundary rect mode(with bg rect) set
 383  *
 384  * @param obj The searchbar object
 385  * @param boundary The present flag of boundary rect or not
 386  * @return void
 387  *
 388  * @ingroup Searchbar
 389  */
 390 EAPI void elm_searchbar_boundary_rect_set(Evas_Object *obj, Eina_Bool boundary)
 391 {
 392    ELM_CHECK_WIDTYPE(obj, widtype);
 393    Widget_Data *wd = elm_widget_data_get(obj);
 394    if (!wd) return;
 395
 396    if (wd->boundary_mode == boundary) return;
 397    else wd->boundary_mode = boundary;
 398
 399    if (wd->boundary_mode)
 400      {
 401         edje_object_signal_emit(wd->base, "BDSHOW", "PROG");
 402      }
 403    else
 404      {
 405         edje_object_signal_emit(wd->base, "BDHIDE", "PROG");
 406      }
 407    _sizing_eval(obj);
 408 }