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 };
  22
  23 static void _del_hook(Evas_Object *obj);
  24 static void _theme_hook(Evas_Object *obj);
  25 static void _sizing_eval(Evas_Object *obj);
  26 static void _clicked(void *data, Evas_Object *obj, const char *emission, const char *source);
  27 static void _changed(void *data, Evas_Object *obj, const char *emission, const char *source);
  28 static void _cancel_clicked(void *data, Evas_Object *obj, const char *emission, const char *source);
  29 static void _signal_reset_clicked(void *data, Evas_Object *obj, const char *emission, const char *source);
  30
  31 static void _del_hook(Evas_Object *obj)
  32 {
  33    Widget_Data *wd = elm_widget_data_get(obj);
  34
  35    if (!wd) return;
  36
  37    free(wd);
  38 }
  39
  40 static void _theme_hook(Evas_Object *obj)
  41 {
  42    Widget_Data *wd = elm_widget_data_get(obj);
  43    if (!wd) return;
  44
  45    _elm_theme_object_set(obj, wd->base, "searchbar", "base", elm_widget_style_get(obj));
  46
  47    if (wd->eb)
  48      edje_object_part_swallow(wd->base, "search_textfield", wd->eb);
  49    if (wd->cancel_btn)
  50      edje_object_part_swallow(wd->base, "button_cancel", wd->cancel_btn);
  51
  52    edje_object_signal_callback_add(wd->base, "elm,action,click", "", _signal_reset_clicked, obj);
  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 _sizing_eval(Evas_Object *obj)
  59 {
  60    Widget_Data *wd = elm_widget_data_get(obj);
  61    Evas_Coord minw = -1, minh = -1, maxw = -1, maxh = -1;
  62
  63    if (!wd) return;
  64    elm_coords_finger_size_adjust(1, &minw, 1, &minh);
  65    edje_object_size_min_restricted_calc(wd->base, &minw, &minh, minw, minh);
  66    elm_coords_finger_size_adjust(1, &minw, 1, &minh);
  67    evas_object_size_hint_min_set(obj, minw, minh);
  68    evas_object_size_hint_max_set(obj, maxw, maxh);
  69 }
  70
  71 static void
  72 _searchicon_clicked(void *data, Evas_Object *obj, const char *emission, const char *source)
  73 {
  74         if (!strcmp(source, "search_icon"))
  75                 evas_object_smart_callback_call(data, "searchsymbol,clicked", NULL);
  76 }
  77
  78 static void _clicked(void *data, Evas_Object *obj, const char *emission, const char *source)
  79 {
  80    Widget_Data *wd = elm_widget_data_get(data);
  81    if (!wd) return;
  82
  83    elm_entry_cursor_end_set(elm_editfield_entry_get(wd->eb));
  84    if (wd->cancel_btn_ani_flag == EINA_TRUE)
  85      edje_object_signal_emit(wd->base, "CANCELIN", "PROG");
  86    else
  87      edje_object_signal_emit(wd->base, "CANCELSHOW", "PROG");
  88
  89    evas_object_smart_callback_call(data, "clicked", NULL);
  90 }
  91
  92 static void _changed(void *data, Evas_Object *obj, const char *emission, const char *source)
  93 {
  94    Widget_Data *wd = elm_widget_data_get(data);
  95
  96    if (!wd) return;
  97
  98    // TODO : inform to use entry changed callback
  99 //   evas_object_smart_callback_call(data, "changed", NULL);
 100 }
 101
 102 static void _cancel_clicked(void *data, Evas_Object *obj, const char *emission, const char *source)
 103 {
 104    Widget_Data *wd = elm_widget_data_get(data);
 105    if (!wd) return;
 106
 107    if (wd->cancel_btn_ani_flag == EINA_TRUE)
 108      edje_object_signal_emit(wd->base, "CANCELOUT", "PROG");
 109    else
 110      edje_object_signal_emit(wd->base, "CANCELHIDE", "PROG");
 111
 112
 113    const char* text;
 114    text = elm_entry_entry_get(elm_editfield_entry_get(wd->eb));
 115    if (text != NULL && strlen(text) > 0)
 116      elm_entry_entry_set(elm_editfield_entry_get(wd->eb), NULL);
 117
 118    evas_object_smart_callback_call(data, "cancel,clicked", NULL);
 119 }
 120
 121 static void _signal_reset_clicked(void *data, Evas_Object *obj, const char *emission, const char *source)
 122 {
 123    Widget_Data *wd = elm_widget_data_get(data);
 124    if (!wd) return;
 125    elm_entry_entry_set(elm_editfield_entry_get(wd->eb), NULL);
 126 }
 127
 128 /**
 129  * Add a new searchbar to the parent
 130  * @param parent The parent object
 131  * @return The new object or NULL if it cannot be created
 132  *
 133  * @ingroup Searchbar
 134  */
 135 EAPI Evas_Object *elm_searchbar_add(Evas_Object *parent)
 136 {
 137    Evas_Object *obj;
 138    Evas *e;
 139    Widget_Data *wd;
 140
 141    wd = ELM_NEW(Widget_Data);
 142    e = evas_object_evas_get(parent);
 143    if (e == NULL) return NULL;
 144    obj = elm_widget_add(e);
 145    if (obj == NULL) return NULL;
 146    elm_widget_type_set(obj, "searchbar");
 147    elm_widget_sub_object_add(parent, obj);
 148    elm_widget_data_set(obj, wd);
 149    elm_widget_del_hook_set(obj, _del_hook);
 150    elm_widget_theme_hook_set(obj, _theme_hook);
 151    elm_widget_can_focus_set(obj, 1 );
 152
 153    wd->base = edje_object_add(e);
 154    if (wd->base == NULL) return NULL;
 155
 156    _elm_theme_object_set(obj, wd->base, "searchbar", "base", "default");
 157
 158    //   evas_object_size_hint_weight_set(wd->base, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 159    //   evas_object_size_hint_align_set(wd->base, EVAS_HINT_FILL, EVAS_HINT_FILL);
 160
 161    // Add Entry
 162    wd->eb = elm_editfield_add(parent);
 163    elm_object_style_set(wd->eb, "searchbar");
 164    edje_object_part_swallow(wd->base, "search_textfield", wd->eb);
 165 //   elm_editfield_guide_text_set(wd->eb, "Search");
 166    elm_editfield_entry_single_line_set(wd->eb, EINA_TRUE);
 167    elm_editfield_eraser_set(wd->eb, EINA_TRUE);
 168    evas_object_smart_callback_add(wd->eb, "clicked", _clicked, obj);
 169    evas_object_smart_callback_add(elm_editfield_entry_get(wd->eb), "changed", _changed, obj);
 170    edje_object_signal_callback_add(wd->base, "mouse,up,1", "search_icon", _searchicon_clicked, obj);
 171
 172    elm_widget_sub_object_add(obj, wd->eb);
 173
 174    // Add Button
 175    wd->cancel_btn = elm_button_add(parent);
 176    edje_object_part_swallow(wd->base, "button_cancel", wd->cancel_btn);
 177    elm_object_style_set(wd->cancel_btn, "custom/darkblue");
 178    elm_button_label_set(wd->cancel_btn, "Cancel");
 179    evas_object_smart_callback_add(wd->cancel_btn, "clicked", _cancel_clicked, obj);
 180    elm_widget_sub_object_add(obj, wd->cancel_btn);
 181
 182    wd->cancel_btn_ani_flag = EINA_FALSE;
 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 NULL;
 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 (cancel_btn_ani_flag == EINA_TRUE)
 254      wd->cancel_btn_ani_flag = EINA_TRUE;
 255    else
 256      wd->cancel_btn_ani_flag = EINA_FALSE;
 257 }