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
  30 static void _del_hook(Evas_Object *obj)
  31 {
  32    Widget_Data *wd = elm_widget_data_get(obj);
  33
  34    if (!wd) return;
  35
  36    free(wd);
  37 }
  38
  39 static void _theme_hook(Evas_Object *obj)
  40 {
  41    Widget_Data *wd = elm_widget_data_get(obj);
  42    if (!wd) return;
  43
  44    _elm_theme_object_set(obj, wd->base, "searchbar", "base", elm_widget_style_get(obj));
  45
  46    if (wd->eb)
  47      edje_object_part_swallow(wd->base, "search_textfield", wd->eb);
  48    if (wd->cancel_btn)
  49      edje_object_part_swallow(wd->base, "button_cancel", wd->cancel_btn);
  50
  51    edje_object_scale_set(wd->cancel_btn, elm_widget_scale_get(obj) * _elm_config->scale);
  52    _sizing_eval(obj);
  53 }
  54
  55 static void _sizing_eval(Evas_Object *obj)
  56 {
  57    Widget_Data *wd = elm_widget_data_get(obj);
  58    Evas_Coord minw = -1, minh = -1, maxw = -1, maxh = -1;
  59
  60    if (!wd) return;
  61    elm_coords_finger_size_adjust(1, &minw, 1, &minh);
  62    edje_object_size_min_restricted_calc(wd->base, &minw, &minh, minw, minh);
  63    elm_coords_finger_size_adjust(1, &minw, 1, &minh);
  64    evas_object_size_hint_min_set(obj, minw, minh);
  65    evas_object_size_hint_max_set(obj, maxw, maxh);
  66 }
  67
  68 static void _clicked(void *data, Evas_Object *obj, const char *emission, const char *source)
  69 {
  70    Widget_Data *wd = elm_widget_data_get(data);
  71    if (!wd) return;
  72
  73    elm_entry_cursor_end_set(elm_editfield_entry_get(wd->eb));
  74    if (wd->cancel_btn_ani_flag == EINA_TRUE)
  75      edje_object_signal_emit(wd->base, "CANCELIN", "PROG");
  76    else
  77      edje_object_signal_emit(wd->base, "CANCELSHOW", "PROG");
  78
  79    evas_object_smart_callback_call(data, "clicked", NULL);
  80 }
  81
  82 static void _changed(void *data, Evas_Object *obj, const char *emission, const char *source)
  83 {
  84    Widget_Data *wd = elm_widget_data_get(data);
  85
  86    if (!wd) return;
  87
  88    // TODO : inform to use entry changed callback
  89 //   evas_object_smart_callback_call(data, "changed", NULL);
  90 }
  91
  92 static void _cancel_clicked(void *data, Evas_Object *obj, const char *emission, const char *source)
  93 {
  94    Widget_Data *wd = elm_widget_data_get(data);
  95    if (!wd) return;
  96
  97    if (wd->cancel_btn_ani_flag == EINA_TRUE)
  98      edje_object_signal_emit(wd->base, "CANCELOUT", "PROG");
  99    else
 100      edje_object_signal_emit(wd->base, "CANCELHIDE", "PROG");
 101
 102    const char* text;
 103    text = elm_entry_entry_get(elm_editfield_entry_get(wd->eb));
 104    if (text != NULL && strlen(text) > 0)
 105      elm_entry_entry_set(elm_editfield_entry_get(wd->eb), NULL);
 106
 107    evas_object_smart_callback_call(data, "cancel,clicked", NULL);
 108 }
 109
 110 static void
 111 _searchicon_clicked(void *data, Evas_Object *obj, const char *emission, const char *source)
 112 {
 113    Widget_Data *wd = elm_widget_data_get(data);
 114    if (!wd) return;
 115
 116    if (!strcmp(source, "search_icon"))
 117      evas_object_smart_callback_call(data, "searchsymbol,clicked", NULL);
 118    else if (!strcmp(source, "base_bg"))
 119      _clicked(data, obj, emission, source);
 120 }
 121
 122 /**
 123  * Add a new searchbar to the parent
 124  * @param parent The parent object
 125  * @return The new object or NULL if it cannot be created
 126  *
 127  * @ingroup Searchbar
 128  */
 129 EAPI Evas_Object *elm_searchbar_add(Evas_Object *parent)
 130 {
 131    Evas_Object *obj;
 132    Evas *e;
 133    Widget_Data *wd;
 134
 135    wd = ELM_NEW(Widget_Data);
 136    e = evas_object_evas_get(parent);
 137    if (e == NULL) return NULL;
 138    obj = elm_widget_add(e);
 139    if (obj == NULL) return NULL;
 140    elm_widget_type_set(obj, "searchbar");
 141    elm_widget_sub_object_add(parent, obj);
 142    elm_widget_data_set(obj, wd);
 143    elm_widget_del_hook_set(obj, _del_hook);
 144    elm_widget_theme_hook_set(obj, _theme_hook);
 145    elm_widget_can_focus_set(obj, 1 );
 146
 147    wd->base = edje_object_add(e);
 148    if (wd->base == NULL) return NULL;
 149
 150    _elm_theme_object_set(obj, wd->base, "searchbar", "base", "default");
 151
 152    //   evas_object_size_hint_weight_set(wd->base, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 153    //   evas_object_size_hint_align_set(wd->base, EVAS_HINT_FILL, EVAS_HINT_FILL);
 154
 155    // Add Entry
 156    wd->eb = elm_editfield_add(parent);
 157    elm_object_style_set(wd->eb, "searchbar");
 158    edje_object_part_swallow(wd->base, "search_textfield", wd->eb);
 159 //   elm_editfield_guide_text_set(wd->eb, "Search");
 160    elm_editfield_entry_single_line_set(wd->eb, EINA_TRUE);
 161    elm_editfield_eraser_set(wd->eb, EINA_TRUE);
 162    evas_object_smart_callback_add(wd->eb, "clicked", _clicked, obj);
 163    evas_object_smart_callback_add(elm_editfield_entry_get(wd->eb), "changed", _changed, obj);
 164    edje_object_signal_callback_add(wd->base, "mouse,up,1", "*", _searchicon_clicked, obj);
 165
 166    elm_widget_sub_object_add(obj, wd->eb);
 167
 168    // Add Button
 169    wd->cancel_btn = elm_button_add(parent);
 170    edje_object_part_swallow(wd->base, "button_cancel", wd->cancel_btn);
 171    elm_object_style_set(wd->cancel_btn, "custom/darkblue");
 172    elm_button_label_set(wd->cancel_btn, "Cancel");
 173    evas_object_smart_callback_add(wd->cancel_btn, "clicked", _cancel_clicked, obj);
 174    elm_widget_sub_object_add(obj, wd->cancel_btn);
 175
 176    wd->cancel_btn_ani_flag = EINA_FALSE;
 177
 178    elm_widget_resize_object_set(obj, wd->base);
 179
 180    _sizing_eval(obj);
 181
 182    return obj;
 183 }
 184
 185 /**
 186  * set the text of entry
 187  *
 188  * @param obj The searchbar object
 189  * @return void
 190  *
 191  * @ingroup Searchbar
 192  */
 193 EAPI void elm_searchbar_text_set(Evas_Object *obj, const char *entry)
 194 {
 195    Widget_Data *wd = elm_widget_data_get(obj);
 196    if (!wd) return NULL;
 197
 198    elm_entry_entry_set(elm_editfield_entry_get(wd->eb), entry);
 199 }
 200
 201 /**
 202  * get the text of entry
 203  *
 204  * @param obj The searchbar object
 205  * @return string pointer of entry
 206  *
 207  * @ingroup Searchbar
 208  */
 209 EAPI const char* elm_searchbar_text_get(Evas_Object *obj)
 210 {
 211    Widget_Data *wd = elm_widget_data_get(obj);
 212    if (!wd) return NULL;
 213
 214    return elm_entry_entry_get(elm_editfield_entry_get(wd->eb));
 215 }
 216
 217 /**
 218  * get the pointer of entry
 219  *
 220  * @param obj The searchbar object
 221  * @return the entry object
 222  *
 223  * @ingroup Searchbar
 224  */
 225 EAPI Evas_Object *elm_searchbar_entry_get(Evas_Object *obj)
 226 {
 227    Widget_Data *wd = elm_widget_data_get(obj);
 228    if (!wd) return NULL;
 229
 230    return elm_editfield_entry_get(wd->eb);
 231 }
 232
 233 /**
 234  * set the cancel button animation flag
 235  *
 236  * @param obj The searchbar object
 237  * @param cancel_btn_ani_flag The flag of animating cancen button or not
 238  * @return void
 239  *
 240  * @ingroup Searchbar
 241  */
 242 EAPI void elm_searchbar_cancel_button_animation_set(Evas_Object *obj, Eina_Bool cancel_btn_ani_flag)
 243 {
 244    Widget_Data *wd = elm_widget_data_get(obj);
 245    if (!wd) return;
 246
 247    if (cancel_btn_ani_flag == EINA_TRUE)
 248      wd->cancel_btn_ani_flag = EINA_TRUE;
 249    else
 250      wd->cancel_btn_ani_flag = EINA_FALSE;
 251 }