src/bin/e_widget_check.c

   1 #include "e.h"
   2
   3 typedef struct _E_Widget_Data E_Widget_Data;
   4 struct _E_Widget_Data
   5 {
   6    Evas_Object *o_check;
   7    Evas_Object *o_icon;
   8    int         *valptr;
   9 };
  10
  11 static void _e_wid_del_hook(Evas_Object *obj);
  12 static void _e_wid_focus_hook(Evas_Object *obj);
  13 static void _e_wid_do(Evas_Object *obj);
  14 static void _e_wid_activate_hook(Evas_Object *obj);
  15 static void _e_wid_disable_hook(Evas_Object *obj);
  16 static void _e_wid_signal_cb1(void *data, Evas_Object *obj, const char *emission, const char *source);
  17 static void _e_wid_focus_steal(void *data, Evas *e, Evas_Object *obj, void *event_info);
  18
  19 /* local subsystem functions */
  20
  21 /* externally accessible functions */
  22
  23 /**
  24  * Creates a check box widget
  25  *
  26  * @param evas pointer
  27  * @param label the text to asign to check widget
  28  * @param val pointer to int where changes are stored
  29  * @return the newly created evas object
  30  */
  31 EAPI Evas_Object *
  32 e_widget_check_add(Evas *evas, const char *label, int *val)
  33 {
  34    Evas_Object *obj, *o;
  35    E_Widget_Data *wd;
  36    Evas_Coord mw, mh;
  37
  38    obj = e_widget_add(evas);
  39
  40    e_widget_del_hook_set(obj, _e_wid_del_hook);
  41    e_widget_focus_hook_set(obj, _e_wid_focus_hook);
  42    e_widget_activate_hook_set(obj, _e_wid_activate_hook);
  43    e_widget_disable_hook_set(obj, _e_wid_disable_hook);
  44    wd = calloc(1, sizeof(E_Widget_Data));
  45    wd->valptr = val;
  46    e_widget_data_set(obj, wd);
  47
  48    o = edje_object_add(evas);
  49    wd->o_check = o;
  50    e_theme_edje_object_set(o, "base/theme/widgets",
  51                            "e/widgets/check");
  52    edje_object_signal_callback_add(o, "e,action,toggle", "*", _e_wid_signal_cb1, obj);
  53    edje_object_part_text_set(o, "e.text.label", label);
  54    evas_object_show(o);
  55    edje_object_size_min_calc(o, &mw, &mh);
  56    e_widget_size_min_set(obj, mw, mh);
  57    if (wd->valptr)
  58      {
  59         if (*(wd->valptr)) edje_object_signal_emit(o, "e,state,checked", "e");
  60      }
  61
  62    e_widget_sub_object_add(obj, o);
  63    evas_object_event_callback_add(o, EVAS_CALLBACK_MOUSE_DOWN, _e_wid_focus_steal, obj);
  64    e_widget_resize_object_set(obj, o);
  65
  66    return obj;
  67 }
  68
  69 /**
  70  * Sets the value of the check box
  71  *
  72  * @param check the check box widget
  73  * @param checked the value to set the widget too
  74  */
  75 EAPI void
  76 e_widget_check_checked_set(Evas_Object *check, int checked)
  77 {
  78    E_Widget_Data *wd;
  79
  80    wd = e_widget_data_get(check);
  81    if (wd->valptr)
  82      *(wd->valptr) = checked;
  83    if (checked)
  84      edje_object_signal_emit(wd->o_check, "e,state,checked", "e");
  85    else
  86      edje_object_signal_emit(wd->o_check, "e,state,unchecked", "e");
  87 }
  88
  89 /**
  90  * Sets the value of the check box
  91  *
  92  * @param check the check box widget
  93  * @param val pointer to int where changes are stored
  94  */
  95 EAPI void
  96 e_widget_check_valptr_set(Evas_Object *check, int *val)
  97 {
  98    E_Widget_Data *wd;
  99    int state;
 100
 101    wd = e_widget_data_get(check);
 102    state = wd->valptr ? *wd->valptr : 0;
 103    wd->valptr = val;
 104    if (state == (wd->valptr && *wd->valptr)) return;
 105    if (wd->valptr && *wd->valptr)
 106      edje_object_signal_emit(wd->o_check, "e,state,checked", "e");
 107    else
 108      edje_object_signal_emit(wd->o_check, "e,state,unchecked", "e");
 109 }
 110
 111 /**
 112  *Get the value of the check box
 113  *
 114  * @param check the check box widget
 115  * @return the value of the check box
 116  */
 117 EAPI int
 118 e_widget_check_checked_get(Evas_Object *check)
 119 {
 120    E_Widget_Data *wd;
 121    int ret;
 122
 123    wd = e_widget_data_get(check);
 124    if (wd->valptr)
 125      ret = *(wd->valptr);
 126    else
 127      ret = -1;
 128
 129    return ret;
 130 }
 131
 132 /**
 133  * Creates a check box widget with icon
 134  *
 135  * @param evas pointer
 136  * @param label the text to asign to check widget
 137  * @param icon the path to the icon file
 138  * @param icon_w the minimum wdith of the icon
 139  * @param icon_h the minumum height of the icon
 140  * @param val pointer to int where changes are stored
 141  * @return the newly created evas object
 142  */
 143 EAPI Evas_Object *
 144 e_widget_check_icon_add(Evas *evas, const char *label, const char *icon, int icon_w, int icon_h, int *val)
 145 {
 146    Evas_Object *obj, *o, *o2;
 147    E_Widget_Data *wd;
 148    Evas_Coord mw, mh;
 149
 150    obj = e_widget_add(evas);
 151
 152    e_widget_del_hook_set(obj, _e_wid_del_hook);
 153    e_widget_focus_hook_set(obj, _e_wid_focus_hook);
 154    e_widget_activate_hook_set(obj, _e_wid_activate_hook);
 155    e_widget_disable_hook_set(obj, _e_wid_disable_hook);
 156    wd = calloc(1, sizeof(E_Widget_Data));
 157    wd->valptr = val;
 158    e_widget_data_set(obj, wd);
 159
 160    o = edje_object_add(evas);
 161    wd->o_check = o;
 162    e_theme_edje_object_set(o, "base/theme/widgets",
 163                            "e/widgets/check_icon");
 164    edje_object_signal_callback_add(o, "e,action,toggle", "*", _e_wid_signal_cb1, obj);
 165    edje_object_part_text_set(o, "e.text.label", label);
 166    evas_object_show(o);
 167    if (label)
 168      {
 169         edje_object_signal_emit(o, "e,state,labeled", "e");
 170         edje_object_message_signal_process(o);
 171      }
 172    if (icon)
 173      {
 174         if (icon[0] == '/')
 175           {
 176              o2 = e_icon_add(evas);
 177              e_icon_file_set(o2, icon);
 178           }
 179         else
 180           {
 181              o2 = edje_object_add(evas);
 182              e_util_edje_icon_set(o2, icon);
 183           }
 184         edje_extern_object_min_size_set(o2, icon_w, icon_h);
 185         edje_object_part_swallow(wd->o_check, "e.swallow.icon", o2);
 186         evas_object_show(o2);
 187         e_widget_sub_object_add(obj, o2);
 188         wd->o_icon = o2;
 189      }
 190
 191    edje_object_size_min_calc(o, &mw, &mh);
 192    e_widget_size_min_set(obj, mw, mh);
 193    if (wd->valptr)
 194      {
 195         if (*(wd->valptr)) edje_object_signal_emit(o, "e,state,checked", "e");
 196      }
 197
 198    e_widget_sub_object_add(obj, o);
 199    evas_object_event_callback_add(o, EVAS_CALLBACK_MOUSE_DOWN, _e_wid_focus_steal, obj);
 200    e_widget_resize_object_set(obj, o);
 201
 202    return obj;
 203 }
 204
 205 static void
 206 _e_wid_del_hook(Evas_Object *obj)
 207 {
 208    E_Widget_Data *wd;
 209
 210    wd = e_widget_data_get(obj);
 211    free(wd);
 212 }
 213
 214 static void
 215 _e_wid_focus_hook(Evas_Object *obj)
 216 {
 217    E_Widget_Data *wd;
 218
 219    wd = e_widget_data_get(obj);
 220    if (e_widget_focus_get(obj))
 221      {
 222         edje_object_signal_emit(wd->o_check, "e,state,focused", "e");
 223         evas_object_focus_set(wd->o_check, 1);
 224      }
 225    else
 226      {
 227         edje_object_signal_emit(wd->o_check, "e,state,unfocused", "e");
 228         evas_object_focus_set(wd->o_check, 0);
 229      }
 230 }
 231
 232 static void
 233 _e_wid_do(Evas_Object *obj)
 234 {
 235    E_Widget_Data *wd;
 236
 237    if (e_widget_disabled_get(obj)) return;
 238
 239    wd = e_widget_data_get(obj);
 240    if (wd->valptr)
 241      {
 242         if (*(wd->valptr) == 0)
 243           {
 244              *(wd->valptr) = 1;
 245              edje_object_signal_emit(wd->o_check, "e,state,checked", "e");
 246           }
 247         else
 248           {
 249              *(wd->valptr) = 0;
 250              edje_object_signal_emit(wd->o_check, "e,state,unchecked", "e");
 251           }
 252      }
 253    evas_object_smart_callback_call(obj, "changed", NULL);
 254    e_widget_change(obj);
 255 }
 256
 257 static void
 258 _e_wid_activate_hook(Evas_Object *obj)
 259 {
 260    _e_wid_do(obj);
 261 }
 262
 263 static void
 264 _e_wid_disable_hook(Evas_Object *obj)
 265 {
 266    E_Widget_Data *wd;
 267
 268    wd = e_widget_data_get(obj);
 269    if (e_widget_disabled_get(obj))
 270      edje_object_signal_emit(wd->o_check, "e,state,disabled", "e");
 271    else
 272      edje_object_signal_emit(wd->o_check, "e,state,enabled", "e");
 273 }
 274
 275 static void
 276 _e_wid_signal_cb1(void *data, Evas_Object *obj __UNUSED__, const char *emission __UNUSED__, const char *source __UNUSED__)
 277 {
 278    _e_wid_do(data);
 279 }
 280
 281 static void
 282 _e_wid_focus_steal(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
 283 {
 284    e_widget_focus_steal(data);
 285 }
 286