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
  73    if (elm_widget_focus_get(obj) && wd->cancel_btn_show_mode)
  74      {
  75         if (wd->cancel_btn_ani_flag) edje_object_signal_emit(wd->base, "CANCELIN", "PROG");
  76         else edje_object_signal_emit(wd->base, "CANCELSHOW", "PROG");
  77      }
  78    else
  79      {
  80         if (wd->cancel_btn_ani_flag) edje_object_signal_emit(wd->base, "CANCELOUT", "PROG");
  81         else edje_object_signal_emit(wd->base, "CANCELHIDE", "PROG");
  82      }
  83 }
  84
  85 static void _sizing_eval(Evas_Object *obj)
  86 {
  87    Widget_Data *wd = elm_widget_data_get(obj);
  88    Evas_Coord minw = -1, minh = -1, maxw = -1, maxh = -1;
  89
  90    if (!wd) return;
  91    elm_coords_finger_size_adjust(1, &minw, 1, &minh);
  92    edje_object_size_min_restricted_calc(wd->base, &minw, &minh, minw, minh);
  93    elm_coords_finger_size_adjust(1, &minw, 1, &minh);
  94    evas_object_size_hint_min_set(obj, minw, minh);
  95    evas_object_size_hint_max_set(obj, maxw, maxh);
  96 }
  97
  98 static void _clicked(void *data, Evas_Object *obj, void *event_info)
  99 {
 100    Widget_Data *wd = elm_widget_data_get(data);
 101    if (!wd) return;
 102
 103    if (wd->cancel_btn_show_mode)
 104      {
 105         if (wd->cancel_btn_ani_flag) edje_object_signal_emit(wd->base, "CANCELIN", "PROG");
 106         else edje_object_signal_emit(wd->base, "CANCELSHOW", "PROG");
 107      }
 108
 109    evas_object_smart_callback_call(data, "clicked", NULL);
 110 }
 111
 112 static void _changed(void *data, Evas_Object *obj, void *event_info)
 113 {
 114    Widget_Data *wd = elm_widget_data_get(data);
 115
 116    if (!wd) return;
 117
 118    // TODO : inform to use entry changed callback
 119 //   evas_object_smart_callback_call(data, "changed", NULL);
 120 }
 121
 122 static void _cancel_clicked(void *data, Evas_Object *obj, void *event_info)
 123 {
 124    Widget_Data *wd = elm_widget_data_get(data);
 125    if (!wd) return;
 126
 127    if (wd->cancel_btn_show_mode)
 128      {
 129         if (wd->cancel_btn_ani_flag) edje_object_signal_emit(wd->base, "CANCELOUT", "PROG");
 130         else edje_object_signal_emit(wd->base, "CANCELHIDE", "PROG");
 131      }
 132
 133    const char* text;
 134    text = elm_entry_entry_get(elm_editfield_entry_get(wd->eb));
 135    if (text != NULL && strlen(text) > 0) elm_entry_entry_set(elm_editfield_entry_get(wd->eb), NULL);
 136
 137    evas_object_smart_callback_call(data, "cancel,clicked", NULL);
 138    elm_object_unfocus(data);
 139 }
 140
 141 static void
 142 _basebg_clicked(void *data, Evas_Object *obj, const char *emission, const char *source)
 143 {
 144    Widget_Data *wd = elm_widget_data_get(data);
 145
 146    if (!wd) return;
 147
 148    if (!strcmp(source, "base_bg"))
 149       _clicked(data, obj, NULL);
 150 }
 151
 152 static void
 153 _searchsymbol_clicked(void *data, Evas_Object *obj, const char *emission, const char *source)
 154 {
 155    Widget_Data *wd = elm_widget_data_get(data);
 156
 157    if (!wd) return;
 158    evas_object_smart_callback_call(data, "searchsymbol,clicked", NULL);
 159 }
 160
 161 /**
 162  * Add a new searchbar to the parent
 163  * @param parent The parent object
 164  * @return The new object or NULL if it cannot be created
 165  *
 166  * @ingroup Searchbar
 167  */
 168 EAPI Evas_Object *elm_searchbar_add(Evas_Object *parent)
 169 {
 170    Evas_Object *obj;
 171    Evas *e;
 172    Widget_Data *wd;
 173    char buf[4096];
 174
 175    wd = ELM_NEW(Widget_Data);
 176    e = evas_object_evas_get(parent);
 177    if (e == NULL) return NULL;
 178    obj = elm_widget_add(e);
 179    if (obj == NULL) return NULL;
 180    elm_widget_type_set(obj, "searchbar");
 181    elm_widget_sub_object_add(parent, obj);
 182    elm_widget_data_set(obj, wd);
 183    elm_widget_del_hook_set(obj, _del_hook);
 184    elm_widget_theme_hook_set(obj, _theme_hook);
 185    elm_widget_on_focus_hook_set( obj, _on_focus_hook, NULL );
 186    elm_widget_can_focus_set(obj, 1 );
 187
 188    wd->base = edje_object_add(e);
 189    if (wd->base == NULL) return NULL;
 190
 191    _elm_theme_object_set(obj, wd->base, "searchbar", "base", "default");
 192
 193    //   evas_object_size_hint_weight_set(wd->base, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 194    //   evas_object_size_hint_align_set(wd->base, EVAS_HINT_FILL, EVAS_HINT_FILL);
 195
 196    // Add Entry
 197    wd->eb = elm_editfield_add(parent);
 198    snprintf(buf, sizeof(buf), "searchbar/%s", elm_widget_style_get(obj));
 199    elm_object_style_set(wd->eb, buf);
 200
 201    edje_object_part_swallow(wd->base, "search_textfield", wd->eb);
 202 //   elm_editfield_guide_text_set(wd->eb, "Search");
 203    elm_editfield_entry_single_line_set(wd->eb, EINA_TRUE);
 204    elm_editfield_eraser_set(wd->eb, EINA_TRUE);
 205    evas_object_smart_callback_add(wd->eb, "clicked", _clicked, obj);
 206    evas_object_smart_callback_add(elm_editfield_entry_get(wd->eb), "changed", _changed, obj);
 207    edje_object_signal_callback_add(wd->base, "mouse,up,1", "*", _basebg_clicked, obj);
 208    edje_object_signal_callback_add(wd->base, "elm,action,click", "", _searchsymbol_clicked, obj);
 209
 210    elm_widget_sub_object_add(obj, wd->eb);
 211
 212    // Add Button
 213    wd->cancel_btn = elm_button_add(parent);
 214    edje_object_part_swallow(wd->base, "button_cancel", wd->cancel_btn);
 215
 216    snprintf(buf, sizeof(buf), "searchbar/%s", elm_widget_style_get(obj));
 217    elm_object_style_set(wd->cancel_btn, buf);
 218
 219    elm_button_label_set(wd->cancel_btn, "Cancel");
 220    evas_object_smart_callback_add(wd->cancel_btn, "clicked", _cancel_clicked, obj);
 221    elm_widget_sub_object_add(obj, wd->cancel_btn);
 222
 223    wd->cancel_btn_ani_flag = EINA_FALSE;
 224    wd->cancel_btn_show_mode = EINA_TRUE;
 225    wd->boundary_mode = EINA_TRUE;
 226
 227    elm_widget_resize_object_set(obj, wd->base);
 228
 229    _sizing_eval(obj);
 230
 231    return obj;
 232 }
 233
 234 /**
 235  * set the text of entry
 236  *
 237  * @param obj The searchbar object
 238  * @return void
 239  *
 240  * @ingroup Searchbar
 241  */
 242 EAPI void elm_searchbar_text_set(Evas_Object *obj, const char *entry)
 243 {
 244    Widget_Data *wd = elm_widget_data_get(obj);
 245    if (!wd) return;
 246
 247    elm_entry_entry_set(elm_editfield_entry_get(wd->eb), entry);
 248 }
 249
 250 /**
 251  * get the text of entry
 252  *
 253  * @param obj The searchbar object
 254  * @return string pointer of entry
 255  *
 256  * @ingroup Searchbar
 257  */
 258 EAPI const char* elm_searchbar_text_get(Evas_Object *obj)
 259 {
 260    Widget_Data *wd = elm_widget_data_get(obj);
 261    if (!wd) return NULL;
 262
 263    return elm_entry_entry_get(elm_editfield_entry_get(wd->eb));
 264 }
 265
 266 /**
 267  * get the pointer of entry
 268  *
 269  * @param obj The searchbar object
 270  * @return the entry object
 271  *
 272  * @ingroup Searchbar
 273  */
 274 EAPI Evas_Object *elm_searchbar_entry_get(Evas_Object *obj)
 275 {
 276    Widget_Data *wd = elm_widget_data_get(obj);
 277    if (!wd) return NULL;
 278
 279    return elm_editfield_entry_get(wd->eb);
 280 }
 281
 282 /**
 283  * set the cancel button animation flag
 284  *
 285  * @param obj The searchbar object
 286  * @param cancel_btn_ani_flag The flag of animating cancen button or not
 287  * @return void
 288  *
 289  * @ingroup Searchbar
 290  */
 291 EAPI void elm_searchbar_cancel_button_animation_set(Evas_Object *obj, Eina_Bool cancel_btn_ani_flag)
 292 {
 293    Widget_Data *wd = elm_widget_data_get(obj);
 294    if (!wd) return;
 295
 296    if (wd->cancel_btn_ani_flag == cancel_btn_ani_flag) return;
 297    else wd->cancel_btn_ani_flag = cancel_btn_ani_flag;
 298 }
 299
 300 /**
 301  * set the cancel button show mode
 302  *
 303  * @param obj The searchbar object
 304  * @param visible The flag of cancen button show or not
 305  * @return void
 306  *
 307  * @ingroup Searchbar
 308  */
 309 EAPI void elm_searchbar_cancel_button_set(Evas_Object *obj, Eina_Bool visible)
 310 {
 311    Widget_Data *wd = elm_widget_data_get(obj);
 312    if (!wd) return;
 313
 314    if (wd->cancel_btn_show_mode == visible) return;
 315    else wd->cancel_btn_show_mode = visible;
 316
 317    if (!visible)
 318      {
 319         if (wd->cancel_btn_ani_flag)
 320            edje_object_signal_emit(wd->base, "CANCELOUT", "PROG");
 321         else
 322            edje_object_signal_emit(wd->base, "CANCELHIDE", "PROG");
 323      }
 324    _sizing_eval(obj);
 325 }
 326
 327 /**
 328  * clear searchbar status
 329  *
 330  * @param obj The searchbar object
 331  * @return void
 332  *
 333  * @ingroup Searchbar
 334  */
 335 EAPI void elm_searchbar_clear(Evas_Object *obj)
 336 {
 337    Widget_Data *wd = elm_widget_data_get(obj);
 338    if (!wd) return;
 339
 340    if (wd->cancel_btn_show_mode)
 341      {
 342         if (wd->cancel_btn_ani_flag)
 343            edje_object_signal_emit(wd->base, "CANCELOUT", "PROG");
 344         else
 345            edje_object_signal_emit(wd->base, "CANCELHIDE", "PROG");
 346      }
 347 //   elm_entry_entry_set(elm_editfield_entry_get(wd->eb), NULL);
 348 }
 349
 350 /**
 351  * set the searchbar boundary rect mode(with bg rect) set
 352  *
 353  * @param obj The searchbar object
 354  * @param boundary The present flag of boundary rect or not
 355  * @return void
 356  *
 357  * @ingroup Searchbar
 358  */
 359 EAPI void elm_searchbar_boundary_rect_set(Evas_Object *obj, Eina_Bool boundary)
 360 {
 361    Widget_Data *wd = elm_widget_data_get(obj);
 362    if (!wd) return;
 363
 364    if (wd->boundary_mode == boundary) return;
 365    else wd->boundary_mode = boundary;
 366
 367    if (wd->boundary_mode)
 368      {
 369         edje_object_signal_emit(wd->base, "BDSHOW", "PROG");
 370      }
 371    else
 372      {
 373         edje_object_signal_emit(wd->base, "BDHIDE", "PROG");
 374      }
 375    _sizing_eval(obj);
 376 }