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 _basebg_clicked(void *data, Evas_Object *obj, const char *emission, const char *source)
 131 {
 132    Widget_Data *wd = elm_widget_data_get(data);
 133
 134    if (!wd) return;
 135
 136    if (!strcmp(source, "base_bg"))
 137       _clicked(data, obj, NULL);
 138 }
 139
 140 static void
 141 _searchsymbol_clicked(void *data, Evas_Object *obj, const char *emission, const char *source)
 142 {
 143    Widget_Data *wd = elm_widget_data_get(data);
 144
 145    if (!wd) return;
 146    evas_object_smart_callback_call(data, "searchsymbol,clicked", NULL);
 147 }
 148
 149 /**
 150  * Add a new searchbar to the parent
 151  * @param parent The parent object
 152  * @return The new object or NULL if it cannot be created
 153  *
 154  * @ingroup Searchbar
 155  */
 156 EAPI Evas_Object *elm_searchbar_add(Evas_Object *parent)
 157 {
 158    Evas_Object *obj;
 159    Evas *e;
 160    Widget_Data *wd;
 161
 162    wd = ELM_NEW(Widget_Data);
 163    e = evas_object_evas_get(parent);
 164    if (e == NULL) return NULL;
 165    obj = elm_widget_add(e);
 166    if (obj == NULL) return NULL;
 167    elm_widget_type_set(obj, "searchbar");
 168    elm_widget_sub_object_add(parent, obj);
 169    elm_widget_data_set(obj, wd);
 170    elm_widget_del_hook_set(obj, _del_hook);
 171    elm_widget_theme_hook_set(obj, _theme_hook);
 172    elm_widget_on_focus_hook_set( obj, _on_focus_hook, NULL );
 173    elm_widget_can_focus_set(obj, 1 );
 174
 175    wd->base = edje_object_add(e);
 176    if (wd->base == NULL) return NULL;
 177
 178    _elm_theme_object_set(obj, wd->base, "searchbar", "base", "default");
 179
 180    //   evas_object_size_hint_weight_set(wd->base, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 181    //   evas_object_size_hint_align_set(wd->base, EVAS_HINT_FILL, EVAS_HINT_FILL);
 182
 183    // Add Entry
 184    wd->eb = elm_editfield_add(parent);
 185    elm_object_style_set(wd->eb, "searchbar");
 186    edje_object_part_swallow(wd->base, "search_textfield", wd->eb);
 187 //   elm_editfield_guide_text_set(wd->eb, "Search");
 188    elm_editfield_entry_single_line_set(wd->eb, EINA_TRUE);
 189    elm_editfield_eraser_set(wd->eb, EINA_TRUE);
 190    evas_object_smart_callback_add(wd->eb, "clicked", _clicked, obj);
 191    evas_object_smart_callback_add(elm_editfield_entry_get(wd->eb), "changed", _changed, obj);
 192    edje_object_signal_callback_add(wd->base, "mouse,up,1", "*", _basebg_clicked, obj);
 193    edje_object_signal_callback_add(wd->base, "elm,action,click", "", _searchsymbol_clicked, obj);
 194
 195    elm_widget_sub_object_add(obj, wd->eb);
 196
 197    // Add Button
 198    wd->cancel_btn = elm_button_add(parent);
 199    edje_object_part_swallow(wd->base, "button_cancel", wd->cancel_btn);
 200    elm_object_style_set(wd->cancel_btn, "custom/darkblue");
 201    elm_button_label_set(wd->cancel_btn, "Cancel");
 202    evas_object_smart_callback_add(wd->cancel_btn, "clicked", _cancel_clicked, obj);
 203    elm_widget_sub_object_add(obj, wd->cancel_btn);
 204
 205    wd->cancel_btn_ani_flag = EINA_FALSE;
 206    wd->cancel_btn_show_mode = EINA_TRUE;
 207    wd->boundary_mode = EINA_TRUE;
 208
 209    elm_widget_resize_object_set(obj, wd->base);
 210
 211    _sizing_eval(obj);
 212
 213    return obj;
 214 }
 215
 216 /**
 217  * set the text of entry
 218  *
 219  * @param obj The searchbar object
 220  * @return void
 221  *
 222  * @ingroup Searchbar
 223  */
 224 EAPI void elm_searchbar_text_set(Evas_Object *obj, const char *entry)
 225 {
 226    Widget_Data *wd = elm_widget_data_get(obj);
 227    if (!wd) return;
 228
 229    elm_entry_entry_set(elm_editfield_entry_get(wd->eb), entry);
 230 }
 231
 232 /**
 233  * get the text of entry
 234  *
 235  * @param obj The searchbar object
 236  * @return string pointer of entry
 237  *
 238  * @ingroup Searchbar
 239  */
 240 EAPI const char* elm_searchbar_text_get(Evas_Object *obj)
 241 {
 242    Widget_Data *wd = elm_widget_data_get(obj);
 243    if (!wd) return NULL;
 244
 245    return elm_entry_entry_get(elm_editfield_entry_get(wd->eb));
 246 }
 247
 248 /**
 249  * get the pointer of entry
 250  *
 251  * @param obj The searchbar object
 252  * @return the entry object
 253  *
 254  * @ingroup Searchbar
 255  */
 256 EAPI Evas_Object *elm_searchbar_entry_get(Evas_Object *obj)
 257 {
 258    Widget_Data *wd = elm_widget_data_get(obj);
 259    if (!wd) return NULL;
 260
 261    return elm_editfield_entry_get(wd->eb);
 262 }
 263
 264 /**
 265  * set the cancel button animation flag
 266  *
 267  * @param obj The searchbar object
 268  * @param cancel_btn_ani_flag The flag of animating cancen button or not
 269  * @return void
 270  *
 271  * @ingroup Searchbar
 272  */
 273 EAPI void elm_searchbar_cancel_button_animation_set(Evas_Object *obj, Eina_Bool cancel_btn_ani_flag)
 274 {
 275    Widget_Data *wd = elm_widget_data_get(obj);
 276    if (!wd) return;
 277
 278    if (wd->cancel_btn_ani_flag == cancel_btn_ani_flag) return;
 279    else wd->cancel_btn_ani_flag = cancel_btn_ani_flag;
 280 }
 281
 282 /**
 283  * set the cancel button show mode
 284  *
 285  * @param obj The searchbar object
 286  * @param visible The flag of cancen button show or not
 287  * @return void
 288  *
 289  * @ingroup Searchbar
 290  */
 291 EAPI void elm_searchbar_cancel_button_set(Evas_Object *obj, Eina_Bool visible)
 292 {
 293    Widget_Data *wd = elm_widget_data_get(obj);
 294    if (!wd) return;
 295
 296    if (wd->cancel_btn_show_mode == visible) return;
 297    else wd->cancel_btn_show_mode = visible;
 298
 299    if (!visible)
 300      {
 301         if (wd->cancel_btn_ani_flag)
 302            edje_object_signal_emit(wd->base, "CANCELOUT", "PROG");
 303         else
 304            edje_object_signal_emit(wd->base, "CANCELHIDE", "PROG");
 305      }
 306    _sizing_eval(obj);
 307 }
 308
 309 /**
 310  * clear searchbar status
 311  *
 312  * @param obj The searchbar object
 313  * @return void
 314  *
 315  * @ingroup Searchbar
 316  */
 317 EAPI void elm_searchbar_clear(Evas_Object *obj)
 318 {
 319    Widget_Data *wd = elm_widget_data_get(obj);
 320    if (!wd) return;
 321
 322    if (wd->cancel_btn_show_mode)
 323      {
 324         if (wd->cancel_btn_ani_flag)
 325            edje_object_signal_emit(wd->base, "CANCELOUT", "PROG");
 326         else
 327            edje_object_signal_emit(wd->base, "CANCELHIDE", "PROG");
 328      }
 329 //   elm_entry_entry_set(elm_editfield_entry_get(wd->eb), NULL);
 330 }
 331
 332 /**
 333  * set the searchbar boundary rect mode(with bg rect) set
 334  *
 335  * @param obj The searchbar object
 336  * @param boundary The present flag of boundary rect or not
 337  * @return void
 338  *
 339  * @ingroup Searchbar
 340  */
 341 EAPI void elm_searchbar_boundary_rect_set(Evas_Object *obj, Eina_Bool boundary)
 342 {
 343    Widget_Data *wd = elm_widget_data_get(obj);
 344    if (!wd) return;
 345
 346    if (wd->boundary_mode == boundary) return;
 347    else wd->boundary_mode = boundary;
 348
 349    if (wd->boundary_mode)
 350      {
 351         edje_object_signal_emit(wd->base, "BDSHOW", "PROG");
 352      }
 353    else
 354      {
 355         edje_object_signal_emit(wd->base, "BDHIDE", "PROG");
 356      }
 357    _sizing_eval(obj);
 358 }