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 _sizing_eval(Evas_Object *obj);
  28 static void _clicked(void *data, Evas_Object *obj, void *event_info);
  29 static void _changed(void *data, Evas_Object *obj, void *event_info);
  30 static void _cancel_clicked(void *data, Evas_Object *obj, void *event_info);
  31
  32 static void _del_hook(Evas_Object *obj)
  33 {
  34    Widget_Data *wd = elm_widget_data_get(obj);
  35
  36    if (!wd) return;
  37
  38    free(wd);
  39 }
  40
  41 static void _theme_hook(Evas_Object *obj)
  42 {
  43    Widget_Data *wd = elm_widget_data_get(obj);
  44    if (!wd) return;
  45
  46    _elm_theme_object_set(obj, wd->base, "searchbar", "base", elm_widget_style_get(obj));
  47
  48    if (wd->eb)
  49      edje_object_part_swallow(wd->base, "search_textfield", wd->eb);
  50    if (wd->cancel_btn)
  51      edje_object_part_swallow(wd->base, "button_cancel", wd->cancel_btn);
  52
  53    edje_object_scale_set(wd->cancel_btn, elm_widget_scale_get(obj) * _elm_config->scale);
  54    _sizing_eval(obj);
  55 }
  56
  57 static void _sizing_eval(Evas_Object *obj)
  58 {
  59    Widget_Data *wd = elm_widget_data_get(obj);
  60    Evas_Coord minw = -1, minh = -1, maxw = -1, maxh = -1;
  61
  62    if (!wd) return;
  63    elm_coords_finger_size_adjust(1, &minw, 1, &minh);
  64    edje_object_size_min_restricted_calc(wd->base, &minw, &minh, minw, minh);
  65    elm_coords_finger_size_adjust(1, &minw, 1, &minh);
  66    evas_object_size_hint_min_set(obj, minw, minh);
  67    evas_object_size_hint_max_set(obj, maxw, maxh);
  68 }
  69
  70 static void _clicked(void *data, Evas_Object *obj, void *event_info)
  71 {
  72    Widget_Data *wd = elm_widget_data_get(data);
  73    if (!wd) return;
  74
  75    elm_entry_cursor_end_set(elm_editfield_entry_get(wd->eb));
  76
  77    if (wd->cancel_btn_show_mode)
  78      {
  79         if (wd->cancel_btn_ani_flag) edje_object_signal_emit(wd->base, "CANCELIN", "PROG");
  80         else edje_object_signal_emit(wd->base, "CANCELSHOW", "PROG");
  81      }
  82
  83    evas_object_smart_callback_call(data, "clicked", NULL);
  84 }
  85
  86 static void _changed(void *data, Evas_Object *obj, void *event_info)
  87 {
  88    Widget_Data *wd = elm_widget_data_get(data);
  89
  90    if (!wd) return;
  91
  92    // TODO : inform to use entry changed callback
  93 //   evas_object_smart_callback_call(data, "changed", NULL);
  94 }
  95
  96 static void _cancel_clicked(void *data, Evas_Object *obj, void *event_info)
  97 {
  98    Widget_Data *wd = elm_widget_data_get(data);
  99    if (!wd) return;
 100
 101    if (wd->cancel_btn_show_mode)
 102      {
 103         if (wd->cancel_btn_ani_flag) edje_object_signal_emit(wd->base, "CANCELOUT", "PROG");
 104         else edje_object_signal_emit(wd->base, "CANCELHIDE", "PROG");
 105      }
 106
 107    const char* text;
 108    text = elm_entry_entry_get(elm_editfield_entry_get(wd->eb));
 109    if (text != NULL && strlen(text) > 0) elm_entry_entry_set(elm_editfield_entry_get(wd->eb), NULL);
 110
 111    evas_object_smart_callback_call(data, "cancel,clicked", NULL);
 112 }
 113
 114 static void
 115 _searchicon_clicked(void *data, Evas_Object *obj, const char *emission, const char *source)
 116 {
 117    Widget_Data *wd = elm_widget_data_get(data);
 118    if (!wd) return;
 119
 120    if (!strcmp(source, "search_icon"))
 121      evas_object_smart_callback_call(data, "searchsymbol,clicked", NULL);
 122    else if (!strcmp(source, "base_bg"))
 123      _clicked(data, obj, NULL); //emission, source);
 124 }
 125
 126 /**
 127  * Add a new searchbar to the parent
 128  * @param parent The parent object
 129  * @return The new object or NULL if it cannot be created
 130  *
 131  * @ingroup Searchbar
 132  */
 133 EAPI Evas_Object *elm_searchbar_add(Evas_Object *parent)
 134 {
 135    Evas_Object *obj;
 136    Evas *e;
 137    Widget_Data *wd;
 138
 139    wd = ELM_NEW(Widget_Data);
 140    e = evas_object_evas_get(parent);
 141    if (e == NULL) return NULL;
 142    obj = elm_widget_add(e);
 143    if (obj == NULL) return NULL;
 144    elm_widget_type_set(obj, "searchbar");
 145    elm_widget_sub_object_add(parent, obj);
 146    elm_widget_data_set(obj, wd);
 147    elm_widget_del_hook_set(obj, _del_hook);
 148    elm_widget_theme_hook_set(obj, _theme_hook);
 149    elm_widget_can_focus_set(obj, 1 );
 150
 151    wd->base = edje_object_add(e);
 152    if (wd->base == NULL) return NULL;
 153
 154    _elm_theme_object_set(obj, wd->base, "searchbar", "base", "default");
 155
 156    //   evas_object_size_hint_weight_set(wd->base, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 157    //   evas_object_size_hint_align_set(wd->base, EVAS_HINT_FILL, EVAS_HINT_FILL);
 158
 159    // Add Entry
 160    wd->eb = elm_editfield_add(parent);
 161    elm_object_style_set(wd->eb, "searchbar");
 162    edje_object_part_swallow(wd->base, "search_textfield", wd->eb);
 163 //   elm_editfield_guide_text_set(wd->eb, "Search");
 164    elm_editfield_entry_single_line_set(wd->eb, EINA_TRUE);
 165    elm_editfield_eraser_set(wd->eb, EINA_TRUE);
 166    evas_object_smart_callback_add(wd->eb, "clicked", _clicked, obj);
 167    evas_object_smart_callback_add(elm_editfield_entry_get(wd->eb), "changed", _changed, obj);
 168    edje_object_signal_callback_add(wd->base, "mouse,up,1", "*", _searchicon_clicked, obj);
 169
 170    elm_widget_sub_object_add(obj, wd->eb);
 171
 172    // Add Button
 173    wd->cancel_btn = elm_button_add(parent);
 174    edje_object_part_swallow(wd->base, "button_cancel", wd->cancel_btn);
 175    elm_object_style_set(wd->cancel_btn, "custom/darkblue");
 176    elm_button_label_set(wd->cancel_btn, "Cancel");
 177    evas_object_smart_callback_add(wd->cancel_btn, "clicked", _cancel_clicked, obj);
 178    elm_widget_sub_object_add(obj, wd->cancel_btn);
 179
 180    wd->cancel_btn_ani_flag = EINA_FALSE;
 181    wd->cancel_btn_show_mode = EINA_TRUE;
 182    wd->boundary_mode = EINA_TRUE;
 183
 184    elm_widget_resize_object_set(obj, wd->base);
 185
 186    _sizing_eval(obj);
 187
 188    return obj;
 189 }
 190
 191 /**
 192  * set the text of entry
 193  *
 194  * @param obj The searchbar object
 195  * @return void
 196  *
 197  * @ingroup Searchbar
 198  */
 199 EAPI void elm_searchbar_text_set(Evas_Object *obj, const char *entry)
 200 {
 201    Widget_Data *wd = elm_widget_data_get(obj);
 202    if (!wd) return;
 203
 204    elm_entry_entry_set(elm_editfield_entry_get(wd->eb), entry);
 205 }
 206
 207 /**
 208  * get the text of entry
 209  *
 210  * @param obj The searchbar object
 211  * @return string pointer of entry
 212  *
 213  * @ingroup Searchbar
 214  */
 215 EAPI const char* elm_searchbar_text_get(Evas_Object *obj)
 216 {
 217    Widget_Data *wd = elm_widget_data_get(obj);
 218    if (!wd) return NULL;
 219
 220    return elm_entry_entry_get(elm_editfield_entry_get(wd->eb));
 221 }
 222
 223 /**
 224  * get the pointer of entry
 225  *
 226  * @param obj The searchbar object
 227  * @return the entry object
 228  *
 229  * @ingroup Searchbar
 230  */
 231 EAPI Evas_Object *elm_searchbar_entry_get(Evas_Object *obj)
 232 {
 233    Widget_Data *wd = elm_widget_data_get(obj);
 234    if (!wd) return NULL;
 235
 236    return elm_editfield_entry_get(wd->eb);
 237 }
 238
 239 /**
 240  * set the cancel button animation flag
 241  *
 242  * @param obj The searchbar object
 243  * @param cancel_btn_ani_flag The flag of animating cancen button or not
 244  * @return void
 245  *
 246  * @ingroup Searchbar
 247  */
 248 EAPI void elm_searchbar_cancel_button_animation_set(Evas_Object *obj, Eina_Bool cancel_btn_ani_flag)
 249 {
 250    Widget_Data *wd = elm_widget_data_get(obj);
 251    if (!wd) return;
 252
 253    if (wd->cancel_btn_ani_flag == cancel_btn_ani_flag) return;
 254    else wd->cancel_btn_ani_flag = cancel_btn_ani_flag;
 255 }
 256
 257 /**
 258  * set the cancel button show mode
 259  *
 260  * @param obj The searchbar object
 261  * @param visible The flag of cancen button show or not
 262  * @return void
 263  *
 264  * @ingroup Searchbar
 265  */
 266 EAPI void elm_searchbar_cancel_button_set(Evas_Object *obj, Eina_Bool visible)
 267 {
 268    Widget_Data *wd = elm_widget_data_get(obj);
 269    if (!wd) return;
 270
 271    if (wd->cancel_btn_show_mode == visible) return;
 272    else wd->cancel_btn_show_mode = visible;
 273
 274    if (!visible)
 275      {
 276         if (wd->cancel_btn_ani_flag)
 277           edje_object_signal_emit(wd->base, "CANCELOUT", "PROG");
 278         else
 279           edje_object_signal_emit(wd->base, "CANCELHIDE", "PROG");
 280      }
 281    _sizing_eval(obj);
 282 }
 283
 284 /**
 285  * clear searchbar status
 286  *
 287  * @param obj The searchbar object
 288  * @return void
 289  *
 290  * @ingroup Searchbar
 291  */
 292 EAPI void elm_searchbar_clear(Evas_Object *obj)
 293 {
 294    Widget_Data *wd = elm_widget_data_get(obj);
 295    if (!wd) return;
 296
 297    if (wd->cancel_btn_show_mode)
 298      {
 299         if (wd->cancel_btn_ani_flag)
 300           edje_object_signal_emit(wd->base, "CANCELOUT", "PROG");
 301         else
 302           edje_object_signal_emit(wd->base, "CANCELHIDE", "PROG");
 303      }
 304 //   elm_entry_entry_set(elm_editfield_entry_get(wd->eb), NULL);
 305 }
 306
 307 /**
 308  * set the searchbar boundary rect mode(with bg rect) set
 309  *
 310  * @param obj The searchbar object
 311  * @param boundary The present flag of boundary rect or not
 312  * @return void
 313  *
 314  * @ingroup Searchbar
 315  */
 316 EAPI void elm_searchbar_boundary_rect_set(Evas_Object *obj, Eina_Bool boundary)
 317 {
 318    Widget_Data *wd = elm_widget_data_get(obj);
 319    if (!wd) return;
 320
 321    if (wd->boundary_mode == boundary) return;
 322    else wd->boundary_mode = boundary;
 323
 324    if (wd->boundary_mode)
 325      {
 326         edje_object_signal_emit(wd->base, "BDSHOW", "PROG");
 327      }
 328    else
 329      {
 330         edje_object_signal_emit(wd->base, "BDHIDE", "PROG");
 331      }
 332    _sizing_eval(obj);
 333 }