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 }
 136
 137 static void
 138 _basebg_clicked(void *data, Evas_Object *obj, const char *emission, const char *source)
 139 {
 140    Widget_Data *wd = elm_widget_data_get(data);
 141
 142    if (!wd) return;
 143
 144    if (!strcmp(source, "base_bg"))
 145       _clicked(data, obj, NULL);
 146 }
 147
 148 static void
 149 _searchsymbol_clicked(void *data, Evas_Object *obj, const char *emission, const char *source)
 150 {
 151    Widget_Data *wd = elm_widget_data_get(data);
 152
 153    if (!wd) return;
 154    evas_object_smart_callback_call(data, "searchsymbol,clicked", NULL);
 155 }
 156
 157 /**
 158  * Add a new searchbar to the parent
 159  * @param parent The parent object
 160  * @return The new object or NULL if it cannot be created
 161  *
 162  * @ingroup Searchbar
 163  */
 164 EAPI Evas_Object *elm_searchbar_add(Evas_Object *parent)
 165 {
 166    Evas_Object *obj;
 167    Evas *e;
 168    Widget_Data *wd;
 169    char buf[4096];
 170
 171    wd = ELM_NEW(Widget_Data);
 172    e = evas_object_evas_get(parent);
 173    if (e == NULL) return NULL;
 174    obj = elm_widget_add(e);
 175    if (obj == NULL) return NULL;
 176    elm_widget_type_set(obj, "searchbar");
 177    elm_widget_sub_object_add(parent, obj);
 178    elm_widget_data_set(obj, wd);
 179    elm_widget_del_hook_set(obj, _del_hook);
 180    elm_widget_theme_hook_set(obj, _theme_hook);
 181    elm_widget_on_focus_hook_set( obj, _on_focus_hook, NULL );
 182    elm_widget_can_focus_set(obj, 1 );
 183
 184    wd->base = edje_object_add(e);
 185    if (wd->base == NULL) return NULL;
 186
 187    _elm_theme_object_set(obj, wd->base, "searchbar", "base", "default");
 188
 189    //   evas_object_size_hint_weight_set(wd->base, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 190    //   evas_object_size_hint_align_set(wd->base, EVAS_HINT_FILL, EVAS_HINT_FILL);
 191
 192    // Add Entry
 193    wd->eb = elm_editfield_add(parent);
 194    snprintf(buf, sizeof(buf), "searchbar/%s", elm_widget_style_get(obj));
 195    elm_object_style_set(wd->eb, buf);
 196
 197    edje_object_part_swallow(wd->base, "search_textfield", wd->eb);
 198 //   elm_editfield_guide_text_set(wd->eb, "Search");
 199    elm_editfield_entry_single_line_set(wd->eb, EINA_TRUE);
 200    elm_editfield_eraser_set(wd->eb, EINA_TRUE);
 201    evas_object_smart_callback_add(wd->eb, "clicked", _clicked, obj);
 202    evas_object_smart_callback_add(elm_editfield_entry_get(wd->eb), "changed", _changed, obj);
 203    edje_object_signal_callback_add(wd->base, "mouse,up,1", "*", _basebg_clicked, obj);
 204    edje_object_signal_callback_add(wd->base, "elm,action,click", "", _searchsymbol_clicked, obj);
 205
 206    elm_widget_sub_object_add(obj, wd->eb);
 207
 208    // Add Button
 209    wd->cancel_btn = elm_button_add(parent);
 210    edje_object_part_swallow(wd->base, "button_cancel", wd->cancel_btn);
 211
 212    snprintf(buf, sizeof(buf), "searchbar/%s", elm_widget_style_get(obj));
 213    elm_object_style_set(wd->cancel_btn, buf);
 214
 215    elm_button_label_set(wd->cancel_btn, "Cancel");
 216    evas_object_smart_callback_add(wd->cancel_btn, "clicked", _cancel_clicked, obj);
 217    elm_widget_sub_object_add(obj, wd->cancel_btn);
 218
 219    wd->cancel_btn_ani_flag = EINA_FALSE;
 220    wd->cancel_btn_show_mode = EINA_TRUE;
 221    wd->boundary_mode = EINA_TRUE;
 222
 223    elm_widget_resize_object_set(obj, wd->base);
 224
 225    _sizing_eval(obj);
 226
 227    return obj;
 228 }
 229
 230 /**
 231  * set the text of entry
 232  *
 233  * @param obj The searchbar object
 234  * @return void
 235  *
 236  * @ingroup Searchbar
 237  */
 238 EAPI void elm_searchbar_text_set(Evas_Object *obj, const char *entry)
 239 {
 240    Widget_Data *wd = elm_widget_data_get(obj);
 241    if (!wd) return;
 242
 243    elm_entry_entry_set(elm_editfield_entry_get(wd->eb), entry);
 244 }
 245
 246 /**
 247  * get the text of entry
 248  *
 249  * @param obj The searchbar object
 250  * @return string pointer of entry
 251  *
 252  * @ingroup Searchbar
 253  */
 254 EAPI const char* elm_searchbar_text_get(Evas_Object *obj)
 255 {
 256    Widget_Data *wd = elm_widget_data_get(obj);
 257    if (!wd) return NULL;
 258
 259    return elm_entry_entry_get(elm_editfield_entry_get(wd->eb));
 260 }
 261
 262 /**
 263  * get the pointer of entry
 264  *
 265  * @param obj The searchbar object
 266  * @return the entry object
 267  *
 268  * @ingroup Searchbar
 269  */
 270 EAPI Evas_Object *elm_searchbar_entry_get(Evas_Object *obj)
 271 {
 272    Widget_Data *wd = elm_widget_data_get(obj);
 273    if (!wd) return NULL;
 274
 275    return elm_editfield_entry_get(wd->eb);
 276 }
 277
 278 /**
 279  * set the cancel button animation flag
 280  *
 281  * @param obj The searchbar object
 282  * @param cancel_btn_ani_flag The flag of animating cancen button or not
 283  * @return void
 284  *
 285  * @ingroup Searchbar
 286  */
 287 EAPI void elm_searchbar_cancel_button_animation_set(Evas_Object *obj, Eina_Bool cancel_btn_ani_flag)
 288 {
 289    Widget_Data *wd = elm_widget_data_get(obj);
 290    if (!wd) return;
 291
 292    if (wd->cancel_btn_ani_flag == cancel_btn_ani_flag) return;
 293    else wd->cancel_btn_ani_flag = cancel_btn_ani_flag;
 294 }
 295
 296 /**
 297  * set the cancel button show mode
 298  *
 299  * @param obj The searchbar object
 300  * @param visible The flag of cancen button show or not
 301  * @return void
 302  *
 303  * @ingroup Searchbar
 304  */
 305 EAPI void elm_searchbar_cancel_button_set(Evas_Object *obj, Eina_Bool visible)
 306 {
 307    Widget_Data *wd = elm_widget_data_get(obj);
 308    if (!wd) return;
 309
 310    if (wd->cancel_btn_show_mode == visible) return;
 311    else wd->cancel_btn_show_mode = visible;
 312
 313    if (!visible)
 314      {
 315         if (wd->cancel_btn_ani_flag)
 316            edje_object_signal_emit(wd->base, "CANCELOUT", "PROG");
 317         else
 318            edje_object_signal_emit(wd->base, "CANCELHIDE", "PROG");
 319      }
 320    _sizing_eval(obj);
 321 }
 322
 323 /**
 324  * clear searchbar status
 325  *
 326  * @param obj The searchbar object
 327  * @return void
 328  *
 329  * @ingroup Searchbar
 330  */
 331 EAPI void elm_searchbar_clear(Evas_Object *obj)
 332 {
 333    Widget_Data *wd = elm_widget_data_get(obj);
 334    if (!wd) return;
 335
 336    if (wd->cancel_btn_show_mode)
 337      {
 338         if (wd->cancel_btn_ani_flag)
 339            edje_object_signal_emit(wd->base, "CANCELOUT", "PROG");
 340         else
 341            edje_object_signal_emit(wd->base, "CANCELHIDE", "PROG");
 342      }
 343 //   elm_entry_entry_set(elm_editfield_entry_get(wd->eb), NULL);
 344 }
 345
 346 /**
 347  * set the searchbar boundary rect mode(with bg rect) set
 348  *
 349  * @param obj The searchbar object
 350  * @param boundary The present flag of boundary rect or not
 351  * @return void
 352  *
 353  * @ingroup Searchbar
 354  */
 355 EAPI void elm_searchbar_boundary_rect_set(Evas_Object *obj, Eina_Bool boundary)
 356 {
 357    Widget_Data *wd = elm_widget_data_get(obj);
 358    if (!wd) return;
 359
 360    if (wd->boundary_mode == boundary) return;
 361    else wd->boundary_mode = boundary;
 362
 363    if (wd->boundary_mode)
 364      {
 365         edje_object_signal_emit(wd->base, "BDSHOW", "PROG");
 366      }
 367    else
 368      {
 369         edje_object_signal_emit(wd->base, "BDHIDE", "PROG");
 370      }
 371    _sizing_eval(obj);
 372 }