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