src/lib/elm_panes.c

   1 #include <Elementary.h>
   2 #include "elm_priv.h"
   3
   4 /**
   5  * @defgroup Panes panes
   6  *
   7  */
   8
   9 typedef struct _Widget_Data Widget_Data;
  10
  11 struct _Widget_Data
  12 {
  13    Evas_Object *panes;
  14
  15    struct
  16      {
  17         Evas_Object *left;
  18         Evas_Object *right;
  19      } contents;
  20
  21    struct
  22      {
  23         int x_diff;
  24         int y_diff;
  25         Eina_Bool move;
  26      } move;
  27
  28    Eina_Bool clicked_double;
  29    Eina_Bool horizontal;
  30 };
  31
  32 static const char *widtype = NULL;
  33 static void _del_hook(Evas_Object *obj);
  34 static void _theme_hook(Evas_Object *obj);
  35 static void _sizing_eval(Evas_Object *obj);
  36 static void _changed_size_hints(void *data, Evas *e, Evas_Object *obj, void *event_info);
  37
  38 static void
  39 _del_hook(Evas_Object *obj)
  40 {
  41    Widget_Data *wd = elm_widget_data_get(obj);
  42    if (!wd) return;
  43    free(wd);
  44 }
  45
  46 static void
  47 _theme_hook(Evas_Object *obj)
  48 {
  49    Widget_Data *wd = elm_widget_data_get(obj);
  50    const char *style = elm_widget_style_get(obj);
  51
  52    if (!wd) return;
  53    if (wd->horizontal)
  54      _elm_theme_object_set(obj, wd->panes, "panes", "horizontal", style);
  55    else
  56      _elm_theme_object_set(obj, wd->panes, "panes", "vertical", style);
  57
  58    if (wd->contents.left)
  59      edje_object_part_swallow(wd->panes, "elm.swallow.left", wd->contents.right);
  60    if (wd->contents.right)
  61      edje_object_part_swallow(wd->panes, "elm.swallow.right", wd->contents.right);
  62
  63    edje_object_scale_set(wd->panes, elm_widget_scale_get(obj) *
  64                          _elm_config->scale);
  65    _sizing_eval(obj);
  66 }
  67
  68 static void
  69 _sizing_eval(Evas_Object *obj)
  70 {
  71    Widget_Data *wd = elm_widget_data_get(obj);
  72    if (!wd) return;
  73 }
  74
  75 static void
  76 _changed_size_hints(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
  77 {
  78    _sizing_eval(data);
  79 }
  80
  81 static void
  82 _sub_del(void *data __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
  83 {
  84    Widget_Data *wd = elm_widget_data_get(obj);
  85    Evas_Object *sub = event_info;
  86
  87    if (!wd) return;
  88    if (sub == wd->contents.left)
  89      {
  90         evas_object_event_callback_del_full(sub, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
  91                                             _changed_size_hints, obj);
  92         wd->contents.left = NULL;
  93         _sizing_eval(obj);
  94      }
  95    else if (sub == wd->contents.right)
  96      {
  97         evas_object_event_callback_del_full(sub, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
  98                                             _changed_size_hints, obj);
  99         wd->contents.right= NULL;
 100         _sizing_eval(obj);
 101      }
 102 }
 103
 104 static void
 105 _clicked(void *data, Evas_Object *obj __UNUSED__ , const char *emission __UNUSED__, const char *source __UNUSED__)
 106 {
 107    evas_object_smart_callback_call(data, "clicked", NULL);
 108 }
 109
 110 static void
 111 _clicked_double(void *data, Evas_Object *obj __UNUSED__ , const char *emission __UNUSED__, const char *source __UNUSED__)
 112 {
 113    Widget_Data *wd = elm_widget_data_get(data);
 114
 115    wd->clicked_double = EINA_TRUE;
 116 }
 117
 118 static void
 119 _press(void *data, Evas_Object *obj __UNUSED__ , const char *emission __UNUSED__, const char *source __UNUSED__)
 120 {
 121    evas_object_smart_callback_call(data, "press", NULL);
 122 }
 123
 124 static void
 125 _unpress(void *data, Evas_Object *obj __UNUSED__ , const char *emission __UNUSED__, const char *source __UNUSED__)
 126 {
 127    Widget_Data *wd = elm_widget_data_get(data);
 128    evas_object_smart_callback_call(data, "unpress", NULL);
 129
 130    if (wd->clicked_double)
 131      {
 132         evas_object_smart_callback_call(data, "clicked,double", NULL);
 133         wd->clicked_double = EINA_FALSE;
 134      }
 135 }
 136
 137 /**
 138  * Add a new panes to the parent
 139  *
 140  * @param parent The parent object
 141  * @return The new object or NULL if it cannot be created
 142  *
 143  * @ingroup Panel
 144  */
 145 EAPI Evas_Object *
 146 elm_panes_add(Evas_Object *parent)
 147 {
 148    Evas_Object *obj;
 149    Evas *e;
 150    Widget_Data *wd;
 151
 152    wd = ELM_NEW(Widget_Data);
 153    e = evas_object_evas_get(parent);
 154    obj = elm_widget_add(e);
 155    ELM_SET_WIDTYPE(widtype, "panes");
 156    elm_widget_type_set(obj, "panes");
 157    elm_widget_sub_object_add(parent, obj);
 158    elm_widget_data_set(obj, wd);
 159    elm_widget_del_hook_set(obj, _del_hook);
 160    elm_widget_theme_hook_set(obj, _theme_hook);
 161
 162    wd->panes = edje_object_add(e);
 163    _elm_theme_object_set(obj, wd->panes, "panes", "vertical", "default");
 164    elm_widget_resize_object_set(obj, wd->panes);
 165    evas_object_show(wd->panes);
 166
 167    elm_panes_content_left_size_set(obj, 0.5);
 168
 169    edje_object_signal_callback_add(wd->panes, "elm,action,click", "",
 170                                    _clicked, obj);
 171    edje_object_signal_callback_add(wd->panes, "elm,action,click,double", "",
 172                                    _clicked_double, obj);
 173    edje_object_signal_callback_add(wd->panes, "elm,action,press", "",
 174                                    _press, obj);
 175    edje_object_signal_callback_add(wd->panes, "elm,action,unpress", "",
 176                                    _unpress, obj);
 177
 178    evas_object_smart_callback_add(obj, "sub-object-del", _sub_del, obj);
 179    evas_object_event_callback_add(obj, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
 180                                   _changed_size_hints, obj);
 181
 182    _sizing_eval(obj);
 183    return obj;
 184 }
 185
 186 EAPI void elm_panes_content_left_set(Evas_Object *obj, Evas_Object *content)
 187 {
 188    Widget_Data *wd = elm_widget_data_get(obj);
 189
 190    if (wd->contents.left)
 191      {
 192         evas_object_del(wd->contents.left);
 193         wd->contents.left = NULL;
 194      }
 195
 196    if (content)
 197      {
 198         wd->contents.left = content;
 199         elm_widget_sub_object_add(obj, content);
 200         edje_object_part_swallow(wd->panes, "elm.swallow.left", content);
 201      }
 202 }
 203
 204
 205 EAPI void elm_panes_content_right_set(Evas_Object *obj, Evas_Object *content)
 206 {
 207    Widget_Data *wd = elm_widget_data_get(obj);
 208
 209    if (wd->contents.right)
 210      {
 211         evas_object_del(wd->contents.right);
 212         wd->contents.right = NULL;
 213      }
 214
 215    if (content)
 216      {
 217         wd->contents.right = content;
 218         elm_widget_sub_object_add(obj, content);
 219         edje_object_part_swallow(wd->panes, "elm.swallow.right", content);
 220      }
 221 }
 222
 223
 224 EAPI Evas_Object
 225 *elm_panes_content_left_get(const Evas_Object *obj)
 226 {
 227    Widget_Data *wd = elm_widget_data_get(obj);
 228    return wd->contents.left;
 229 }
 230
 231 EAPI Evas_Object
 232 *elm_panes_content_right_get(const Evas_Object *obj)
 233 {
 234    Widget_Data *wd = elm_widget_data_get(obj);
 235    return wd->contents.right;
 236 }
 237
 238 EAPI double
 239 elm_panes_content_left_size_get(const Evas_Object *obj)
 240 {
 241    Widget_Data *wd = elm_widget_data_get(obj);
 242    double w, h;
 243
 244    edje_object_part_drag_value_get(wd->panes, "elm.bar", &w, &h);
 245
 246    if (wd->horizontal)
 247      return h;
 248    else
 249      return w;
 250 }
 251
 252 EAPI void
 253 elm_panes_content_left_size_set(Evas_Object *obj, double size)
 254 {
 255    Widget_Data *wd = elm_widget_data_get(obj);
 256
 257    if (wd->horizontal)
 258      edje_object_part_drag_value_set(wd->panes, "elm.bar", 0.0, size);
 259    else
 260      edje_object_part_drag_value_set(wd->panes, "elm.bar", size, 0.0);
 261 }
 262
 263 EAPI void
 264 elm_panes_horizontal_set(Evas_Object *obj, Eina_Bool horizontal)
 265 {
 266    Widget_Data *wd = elm_widget_data_get(obj);
 267
 268    wd->horizontal = horizontal;
 269    _theme_hook(obj);
 270    elm_panes_content_left_size_set(obj, 0.5);
 271 }
 272
 273 EAPI Eina_Bool
 274 elm_panes_horizontal_is(const Evas_Object *obj)
 275 {
 276    Widget_Data *wd = elm_widget_data_get(obj);
 277
 278    return wd->horizontal;
 279 }