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