src/lib/elm_panes.c

   1 #include <Elementary.h>
   2 #include "elm_priv.h"
   3
   4 /**
   5  * TODO
   6  * Update the minimun height of the bar in the theme.
   7  * No minimun should be set in the vertical theme
   8  * Add events (move, start ...)
   9  */
  10
  11 typedef struct _Widget_Data Widget_Data;
  12
  13 struct _Widget_Data
  14 {
  15    Evas_Object *panes;
  16
  17    struct
  18      {
  19         Evas_Object *left;
  20         Evas_Object *right;
  21      } contents;
  22
  23    struct
  24      {
  25         int x_diff;
  26         int y_diff;
  27         Eina_Bool move;
  28      } move;
  29
  30    Eina_Bool clicked_double;
  31    Eina_Bool horizontal;
  32    Eina_Bool fixed;
  33 };
  34
  35 static const char *widtype = NULL;
  36 static void _del_hook(Evas_Object *obj);
  37 static void _mirrored_set(Evas_Object *obj, Eina_Bool rtl);
  38 static void _theme_hook(Evas_Object *obj);
  39 static void _sizing_eval(Evas_Object *obj);
  40 static void _changed_size_hints(void *data, Evas *e, Evas_Object *obj, void *event_info);
  41
  42 static const char SIG_CLICKED[] = "clicked";
  43 static const char SIG_PRESS[] = "press";
  44 static const char SIG_UNPRESS[] = "unpress";
  45 static const char SIG_CLICKED_DOUBLE[] = "clicked,double";
  46
  47 static const Evas_Smart_Cb_Description _signals[] = {
  48    {SIG_CLICKED, ""},
  49    {SIG_PRESS, ""},
  50    {SIG_UNPRESS, ""},
  51    {SIG_CLICKED_DOUBLE, ""},
  52    {NULL, NULL}
  53 };
  54
  55 static void
  56 _del_hook(Evas_Object *obj)
  57 {
  58    Widget_Data *wd = elm_widget_data_get(obj);
  59    if (!wd) return;
  60    free(wd);
  61 }
  62
  63 static void
  64 _mirrored_set(Evas_Object *obj, Eina_Bool rtl)
  65 {
  66    Widget_Data *wd = elm_widget_data_get(obj);
  67    if (!wd) return;
  68    edje_object_mirrored_set(wd->panes, rtl);
  69 }
  70
  71 static void
  72 _theme_hook(Evas_Object *obj)
  73 {
  74    Widget_Data *wd = elm_widget_data_get(obj);
  75    const char *style = elm_widget_style_get(obj);
  76    double size;
  77
  78    if (!wd) return;
  79    _elm_widget_mirrored_reload(obj);
  80    _mirrored_set(obj, elm_widget_mirrored_get(obj));
  81    size = elm_panes_content_left_size_get(obj);
  82
  83    if (wd->horizontal)
  84      _elm_theme_object_set(obj, wd->panes, "panes", "horizontal", style);
  85    else
  86      _elm_theme_object_set(obj, wd->panes, "panes", "vertical", style);
  87
  88    if (wd->contents.left)
  89      edje_object_part_swallow(wd->panes, "elm.swallow.left", wd->contents.left);
  90    if (wd->contents.right)
  91      edje_object_part_swallow(wd->panes, "elm.swallow.right", wd->contents.right);
  92 <<<<<<< HEAD
  93    if(wd->contents.left && wd->contents.right)
  94      edje_object_signal_emit(wd->panes, "elm.panes.pair", "elm");
  95    if(wd->fixed)
  96 =======
  97    if (wd->fixed)
  98 >>>>>>> remotes/origin/upstream
  99      edje_object_signal_emit(wd->panes, "elm.panes.fixed", "elm");
 100
 101    edje_object_scale_set(wd->panes, elm_widget_scale_get(obj) *
 102                          _elm_config->scale);
 103    _sizing_eval(obj);
 104    elm_panes_content_left_size_set(obj, size);
 105 }
 106
 107 static Eina_Bool
 108 _elm_panes_focus_next_hook(const Evas_Object *obj, Elm_Focus_Direction dir, Evas_Object **next)
 109 {
 110    Widget_Data *wd = elm_widget_data_get(obj);
 111    if (!wd) return EINA_FALSE;
 112
 113    double w, h;
 114    edje_object_part_drag_value_get(wd->panes, "elm.bar", &w, &h);
 115    if (((wd->horizontal) && ( h == 0.0 )) || ((!wd->horizontal) && ( w == 0.0 )))
 116      return elm_widget_focus_next_get(wd->contents.right, dir, next);
 117
 118    Evas_Object *chain[2];
 119
 120    /* Direction */
 121    if (dir == ELM_FOCUS_PREVIOUS)
 122      {
 123         chain[0] = wd->contents.right;
 124         chain[1] = wd->contents.left;
 125      }
 126    else if (dir == ELM_FOCUS_NEXT)
 127      {
 128         chain[0] = wd->contents.left;
 129         chain[1] = wd->contents.right;
 130      }
 131    else
 132      return EINA_FALSE;
 133
 134    unsigned char i = elm_widget_focus_get(chain[1]);
 135
 136    if (elm_widget_focus_next_get(chain[i], dir, next))
 137      return EINA_TRUE;
 138
 139    i = !i;
 140
 141    Evas_Object *to_focus;
 142    if (elm_widget_focus_next_get(chain[i], dir, &to_focus))
 143      {
 144         *next = to_focus;
 145         return !!i;
 146      }
 147
 148    return EINA_FALSE;
 149 }
 150
 151 static void
 152 _sizing_eval(Evas_Object *obj)
 153 {
 154    Widget_Data *wd = elm_widget_data_get(obj);
 155    if (!wd) return;
 156 }
 157
 158 static void
 159 _changed_size_hints(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
 160 {
 161    _sizing_eval(data);
 162 }
 163
 164 static void
 165 _sub_del(void *data __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
 166 {
 167    Widget_Data *wd = elm_widget_data_get(obj);
 168    Evas_Object *sub = event_info;
 169
 170    if (!wd) return;
 171    if (sub == wd->contents.left)
 172      {
 173         evas_object_event_callback_del_full(sub, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
 174                                             _changed_size_hints, obj);
 175         wd->contents.left = NULL;
 176         _sizing_eval(obj);
 177      }
 178    else if (sub == wd->contents.right)
 179      {
 180         evas_object_event_callback_del_full(sub, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
 181                                             _changed_size_hints, obj);
 182         wd->contents.right= NULL;
 183         _sizing_eval(obj);
 184      }
 185 }
 186
 187 <<<<<<< HEAD
 188 =======
 189
 190 >>>>>>> remotes/origin/upstream
 191 static void
 192 _clicked(void *data, Evas_Object *obj __UNUSED__ , const char *emission __UNUSED__, const char *source __UNUSED__)
 193 {
 194    evas_object_smart_callback_call(data, SIG_CLICKED, NULL);
 195 }
 196
 197 static void
 198 _clicked_double(void *data, Evas_Object *obj __UNUSED__ , const char *emission __UNUSED__, const char *source __UNUSED__)
 199 {
 200    Widget_Data *wd = elm_widget_data_get(data);
 201
 202    wd->clicked_double = EINA_TRUE;
 203 }
 204
 205 static void
 206 _press(void *data, Evas_Object *obj __UNUSED__ , const char *emission __UNUSED__, const char *source __UNUSED__)
 207 {
 208    evas_object_smart_callback_call(data, SIG_PRESS, NULL);
 209 }
 210
 211 static void
 212 _unpress(void *data, Evas_Object *obj __UNUSED__ , const char *emission __UNUSED__, const char *source __UNUSED__)
 213 {
 214    Widget_Data *wd = elm_widget_data_get(data);
 215    evas_object_smart_callback_call(data, SIG_UNPRESS, NULL);
 216
 217    if (wd->clicked_double)
 218      {
 219         evas_object_smart_callback_call(data, SIG_CLICKED_DOUBLE, NULL);
 220         wd->clicked_double = EINA_FALSE;
 221      }
 222 }
 223
 224 static void
 225 _content_left_set(Evas_Object *obj, Evas_Object *content)
 226 {
 227    Widget_Data *wd = elm_widget_data_get(obj);
 228    if (wd->contents.left)
 229      {
 230         evas_object_del(wd->contents.left);
 231         wd->contents.left = NULL;
 232 <<<<<<< HEAD
 233         edje_object_signal_emit(wd->panes, "elm.panes.unpair", "elm");
 234 =======
 235 >>>>>>> remotes/origin/upstream
 236      }
 237    if (content)
 238      {
 239         wd->contents.left = content;
 240         elm_widget_sub_object_add(obj, content);
 241         edje_object_part_swallow(wd->panes, "elm.swallow.left", content);
 242 <<<<<<< HEAD
 243         if (wd->contents.right)
 244           edje_object_signal_emit(wd->panes, "elm.panes.pair", "elm");
 245 =======
 246 >>>>>>> remotes/origin/upstream
 247      }
 248 }
 249
 250 static void
 251 _content_right_set(Evas_Object *obj, Evas_Object *content)
 252 {
 253    Widget_Data *wd = elm_widget_data_get(obj);
 254    if (wd->contents.right)
 255      {
 256         evas_object_del(wd->contents.right);
 257         wd->contents.right = NULL;
 258 <<<<<<< HEAD
 259         edje_object_signal_emit(wd->panes, "elm.panes.unpair", "elm");
 260 =======
 261 >>>>>>> remotes/origin/upstream
 262      }
 263    if (content)
 264      {
 265         wd->contents.right = content;
 266         elm_widget_sub_object_add(obj, content);
 267         edje_object_part_swallow(wd->panes, "elm.swallow.right", content);
 268 <<<<<<< HEAD
 269         if (wd->contents.left)
 270           edje_object_signal_emit(wd->panes, "elm.panes.pair", "elm");
 271 =======
 272 >>>>>>> remotes/origin/upstream
 273      }
 274 }
 275
 276 static Evas_Object *
 277 _content_left_unset(Evas_Object *obj)
 278 {
 279    Widget_Data *wd = elm_widget_data_get(obj);
 280    if (!wd->contents.left) return NULL;
 281    Evas_Object *content = wd->contents.left;
 282 <<<<<<< HEAD
 283
 284    edje_object_part_unswallow(wd->panes, content);
 285    evas_object_hide(wd->contents.left);
 286    elm_widget_sub_object_del(obj, content);
 287    wd->contents.left = NULL;
 288    edje_object_signal_emit(wd->panes, "elm.panes.unpair", "elm");
 289 =======
 290    elm_widget_sub_object_del(obj, content);
 291    edje_object_part_unswallow(wd->panes, content);
 292    wd->contents.left = NULL;
 293 >>>>>>> remotes/origin/upstream
 294    return content;
 295 }
 296
 297 static Evas_Object *
 298 _content_right_unset(Evas_Object *obj)
 299 {
 300    Widget_Data *wd = elm_widget_data_get(obj);
 301    if (!wd->contents.right) return NULL;
 302    Evas_Object *content = wd->contents.right;
 303 <<<<<<< HEAD
 304
 305    edje_object_part_unswallow(wd->panes, content);
 306    evas_object_hide(wd->contents.right);
 307    elm_widget_sub_object_del(obj, content);
 308    wd->contents.right = NULL;
 309    edje_object_signal_emit(wd->panes, "elm.panes.unpair", "elm");
 310 =======
 311    elm_widget_sub_object_del(obj, content);
 312    edje_object_part_unswallow(wd->panes, content);
 313    wd->contents.right = NULL;
 314 >>>>>>> remotes/origin/upstream
 315    return content;
 316 }
 317
 318 static void
 319 _content_set_hook(Evas_Object *obj, const char *part, Evas_Object *content)
 320 {
 321    ELM_CHECK_WIDTYPE(obj, widtype);
 322    Widget_Data *wd = elm_widget_data_get(obj);
 323    if (!wd) return;
 324    if (part && (!strncmp(part, "elm.swallow.", 12))) part += 12;
 325    if (!part || !strcmp(part, "left"))
 326      _content_left_set(obj, content);
 327    else if(!strcmp(part, "right"))
 328      _content_right_set(obj, content);
 329 }
 330
 331 static Evas_Object *
 332 _content_get_hook(const Evas_Object *obj, const char *part)
 333 {
 334    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 335    Widget_Data *wd = elm_widget_data_get(obj);
 336    if (!wd) return NULL;
 337    if (part && (!strncmp(part, "elm.swallow.", 12))) part += 12;
 338    if (!part || !strcmp(part, "left"))
 339      return wd->contents.left;
 340    else if (!strcmp(part, "right"))
 341      return wd->contents.right;
 342    return NULL;
 343 }
 344
 345 static Evas_Object *
 346 _content_unset_hook(Evas_Object *obj, const char *part)
 347 {
 348    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 349    Widget_Data *wd = elm_widget_data_get(obj);
 350    if (!wd) return NULL;
 351    if (part && (!strncmp(part, "elm.swallow.", 12))) part += 12;
 352    if (!part || !strcmp(part, "left"))
 353      return _content_left_unset(obj);
 354    else if (!strcmp(part, "right"))
 355      return _content_right_unset(obj);
 356    return NULL;
 357 }
 358
 359 EAPI Evas_Object *
 360 elm_panes_add(Evas_Object *parent)
 361 {
 362    Evas_Object *obj;
 363    Evas *e;
 364    Widget_Data *wd;
 365
 366    ELM_WIDGET_STANDARD_SETUP(wd, Widget_Data, parent, e, obj, NULL);
 367
 368    ELM_SET_WIDTYPE(widtype, "panes");
 369    elm_widget_type_set(obj, "panes");
 370    elm_widget_sub_object_add(parent, obj);
 371    elm_widget_data_set(obj, wd);
 372    elm_widget_del_hook_set(obj, _del_hook);
 373    elm_widget_theme_hook_set(obj, _theme_hook);
 374    elm_widget_focus_next_hook_set(obj, _elm_panes_focus_next_hook);
 375    elm_widget_content_set_hook_set(obj, _content_set_hook);
 376    elm_widget_content_get_hook_set(obj, _content_get_hook);
 377    elm_widget_content_unset_hook_set(obj, _content_unset_hook);
 378    elm_widget_can_focus_set(obj, EINA_FALSE);
 379
 380    wd->panes = edje_object_add(e);
 381    _elm_theme_object_set(obj, wd->panes, "panes", "vertical", "default");
 382    elm_widget_resize_object_set(obj, wd->panes);
 383    evas_object_show(wd->panes);
 384
 385    elm_panes_content_left_size_set(obj, 0.5);
 386
 387    edje_object_signal_callback_add(wd->panes, "elm,action,click", "",
 388                                    _clicked, obj);
 389    edje_object_signal_callback_add(wd->panes, "elm,action,click,double", "",
 390                                    _clicked_double, obj);
 391    edje_object_signal_callback_add(wd->panes, "elm,action,press", "",
 392                                    _press, obj);
 393    edje_object_signal_callback_add(wd->panes, "elm,action,unpress", "",
 394                                    _unpress, obj);
 395
 396    evas_object_smart_callback_add(obj, "sub-object-del", _sub_del, obj);
 397    evas_object_event_callback_add(obj, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
 398                                   _changed_size_hints, obj);
 399
 400    evas_object_smart_callbacks_descriptions_set(obj, _signals);
 401
 402    _mirrored_set(obj, elm_widget_mirrored_get(obj));
 403    _sizing_eval(obj);
 404    return obj;
 405 }
 406
 407 <<<<<<< HEAD
 408 EAPI void
 409 =======
 410 EINA_DEPRECATED EAPI void
 411 >>>>>>> remotes/origin/upstream
 412 elm_panes_content_left_set(Evas_Object *obj, Evas_Object *content)
 413 {
 414    _content_set_hook(obj, "left", content);
 415 }
 416
 417 <<<<<<< HEAD
 418 EAPI void
 419 =======
 420 EINA_DEPRECATED EAPI void
 421 >>>>>>> remotes/origin/upstream
 422 elm_panes_content_right_set(Evas_Object *obj, Evas_Object *content)
 423 {
 424    _content_set_hook(obj, "right", content);
 425 }
 426
 427 <<<<<<< HEAD
 428 EAPI Evas_Object *
 429 =======
 430 EINA_DEPRECATED EAPI Evas_Object *
 431 >>>>>>> remotes/origin/upstream
 432 elm_panes_content_left_get(const Evas_Object *obj)
 433 {
 434    return _content_get_hook(obj, "left");
 435 }
 436
 437 <<<<<<< HEAD
 438 EAPI Evas_Object *
 439 =======
 440 EINA_DEPRECATED EAPI Evas_Object *
 441 >>>>>>> remotes/origin/upstream
 442 elm_panes_content_right_get(const Evas_Object *obj)
 443 {
 444    return _content_get_hook(obj, "right");
 445 }
 446
 447 <<<<<<< HEAD
 448 EAPI Evas_Object *
 449 =======
 450 EINA_DEPRECATED EAPI Evas_Object *
 451 >>>>>>> remotes/origin/upstream
 452 elm_panes_content_left_unset(Evas_Object *obj)
 453 {
 454    return _content_unset_hook(obj, "left");
 455 }
 456
 457 <<<<<<< HEAD
 458 EAPI Evas_Object *
 459 =======
 460 EINA_DEPRECATED EAPI Evas_Object *
 461 >>>>>>> remotes/origin/upstream
 462 elm_panes_content_right_unset(Evas_Object *obj)
 463 {
 464    return _content_unset_hook(obj, "right");
 465 }
 466
 467 EAPI double
 468 elm_panes_content_left_size_get(const Evas_Object *obj)
 469 {
 470    ELM_CHECK_WIDTYPE(obj, widtype) 0.0;
 471    Widget_Data *wd = elm_widget_data_get(obj);
 472    double w, h;
 473
 474    if (!wd) return 0;
 475    edje_object_part_drag_value_get(wd->panes, "elm.bar", &w, &h);
 476    if (wd->horizontal) return h;
 477    else return w;
 478 }
 479
 480 EAPI void
 481 elm_panes_content_left_size_set(Evas_Object *obj, double size)
 482 {
 483    ELM_CHECK_WIDTYPE(obj, widtype);
 484    Widget_Data *wd = elm_widget_data_get(obj);
 485    if (!wd) return;
 486    if (size < 0.0) size = 0.0;
 487    else if (size > 1.0) size = 1.0;
 488    if (wd->horizontal)
 489      edje_object_part_drag_value_set(wd->panes, "elm.bar", 0.0, size);
 490    else
 491      edje_object_part_drag_value_set(wd->panes, "elm.bar", size, 0.0);
 492 }
 493
 494 <<<<<<< HEAD
 495 =======
 496 EAPI double
 497 elm_panes_content_right_size_get(const Evas_Object *obj)
 498 {
 499    return (1.0 - elm_panes_content_left_size_get(obj));
 500 }
 501
 502 EAPI void
 503 elm_panes_content_right_size_set(Evas_Object *obj, double size)
 504 {
 505    elm_panes_content_left_size_set(obj, (1.0 - size));
 506 }
 507
 508 >>>>>>> remotes/origin/upstream
 509 EAPI void
 510 elm_panes_horizontal_set(Evas_Object *obj, Eina_Bool horizontal)
 511 {
 512    ELM_CHECK_WIDTYPE(obj, widtype);
 513    Widget_Data *wd = elm_widget_data_get(obj);
 514    if (!wd) return;
 515    wd->horizontal = horizontal;
 516    _theme_hook(obj);
 517    elm_panes_content_left_size_set(obj, 0.5);
 518 }
 519
 520 EAPI Eina_Bool
 521 elm_panes_horizontal_get(const Evas_Object *obj)
 522 {
 523    ELM_CHECK_WIDTYPE(obj, widtype) EINA_FALSE;
 524    Widget_Data *wd = elm_widget_data_get(obj);
 525    if (!wd) return EINA_FALSE;
 526    return wd->horizontal;
 527 }
 528
 529 EAPI void
 530 elm_panes_fixed_set(Evas_Object *obj, Eina_Bool fixed)
 531 {
 532    ELM_CHECK_WIDTYPE(obj, widtype);
 533    Widget_Data *wd = elm_widget_data_get(obj);
 534    if (!wd) return;
 535    wd->fixed = !!fixed;
 536    if (wd->fixed == EINA_TRUE)
 537      edje_object_signal_emit(wd->panes, "elm.panes.fixed", "elm");
 538    else
 539      edje_object_signal_emit(wd->panes, "elm.panes.unfixed", "elm");
 540 }
 541
 542 EAPI Eina_Bool
 543 elm_panes_fixed_get(const Evas_Object *obj)
 544 {
 545    ELM_CHECK_WIDTYPE(obj, widtype) EINA_FALSE;
 546    Widget_Data *wd = elm_widget_data_get(obj);
 547    if (!wd) return EINA_FALSE;
 548    return wd->fixed;
 549 }