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