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