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