src/lib/elm_progressbar.c

   1 #include <Elementary.h>
   2 #include "elm_priv.h"
   3
   4 #define MIN_RATIO_LVL 0.0
   5 #define MAX_RATIO_LVL 1.0
   6
   7 typedef struct _Widget_Data Widget_Data;
   8
   9 struct _Widget_Data
  10 {
  11    Evas_Object *progressbar;
  12    Evas_Object *spacer;
  13    Evas_Object *icon;
  14    Evas_Coord size;
  15    Eina_Bool horizontal : 1;
  16    Eina_Bool inverted : 1;
  17    Eina_Bool pulse : 1;
  18    Eina_Bool pulse_state : 1;
  19    const char *units;
  20    const char *label;
  21    double val;
  22 };
  23
  24 static const char *widtype = NULL;
  25 static void _del_hook(Evas_Object *obj);
  26 static void _mirrored_set(Evas_Object *obj, Eina_Bool rtl);
  27 static void _theme_hook(Evas_Object *obj);
  28 static void _sizing_eval(Evas_Object *obj);
  29 static void _changed_size_hints(void *data, Evas *e, Evas_Object *obj, void *event_info);
  30 static void _sub_del(void *data, Evas_Object *obj, void *event_info);
  31 static void _units_set(Evas_Object *obj);
  32 static void _val_set(Evas_Object *obj);
  33
  34 static void
  35 _del_hook(Evas_Object *obj)
  36 {
  37    Widget_Data *wd = elm_widget_data_get(obj);
  38    if (!wd) return;
  39    if (wd->label) eina_stringshare_del(wd->label);
  40    if (wd->units) eina_stringshare_del(wd->units);
  41    free(wd);
  42 }
  43
  44 static void
  45 _mirrored_set(Evas_Object *obj, Eina_Bool rtl)
  46 {
  47    Widget_Data *wd = elm_widget_data_get(obj);
  48    if (!wd) return;
  49    edje_object_mirrored_set(wd->progressbar, rtl);
  50 }
  51
  52 static void
  53 _theme_hook(Evas_Object *obj)
  54 {
  55    Widget_Data *wd = elm_widget_data_get(obj);
  56    if (!wd) return;
  57    _elm_widget_mirrored_reload(obj);
  58    _mirrored_set(obj, elm_widget_mirrored_get(obj));
  59    if (wd->horizontal)
  60      _elm_theme_object_set(obj, wd->progressbar, "progressbar", "horizontal", elm_widget_style_get(obj));
  61    else
  62      _elm_theme_object_set(obj, wd->progressbar, "progressbar", "vertical", elm_widget_style_get(obj));
  63
  64    if (wd->icon)
  65      {
  66         edje_object_part_swallow(wd->progressbar, "elm.swallow.content", wd->icon);
  67         edje_object_signal_emit(wd->progressbar, "elm,state,icon,visible", "elm");
  68      }
  69    if (wd->label)
  70      {
  71         edje_object_part_text_set(wd->progressbar, "elm.text", wd->label);
  72         edje_object_signal_emit(wd->progressbar, "elm,state,text,visible", "elm");
  73      }
  74    if (wd->pulse)
  75      edje_object_signal_emit(wd->progressbar, "elm,state,pulse", "elm");
  76    else
  77      edje_object_signal_emit(wd->progressbar, "elm,state,fraction", "elm");
  78    if (wd->pulse_state)
  79      edje_object_signal_emit(wd->progressbar, "elm,state,pulse,start", "elm");
  80
  81    if ((wd->units) && (!wd->pulse))
  82      edje_object_signal_emit(wd->progressbar, "elm,state,units,visible", "elm");
  83
  84    if (wd->horizontal)
  85      evas_object_size_hint_min_set(wd->spacer, (double)wd->size * elm_widget_scale_get(obj) * _elm_config->scale, 1);
  86    else
  87      evas_object_size_hint_min_set(wd->spacer, 1, (double)wd->size * elm_widget_scale_get(obj) * _elm_config->scale);
  88
  89    edje_object_part_swallow(wd->progressbar, "elm.swallow.bar", wd->spacer);
  90
  91    if (wd->inverted)
  92      edje_object_signal_emit(wd->progressbar, "elm,state,inverted,on", "elm");
  93
  94    _units_set(obj);
  95    edje_object_message_signal_process(wd->progressbar);
  96    edje_object_scale_set(wd->progressbar, elm_widget_scale_get(obj) * _elm_config->scale);
  97    _val_set(obj);
  98    _sizing_eval(obj);
  99 }
 100
 101 static void
 102 _sizing_eval(Evas_Object *obj)
 103 {
 104    Widget_Data *wd = elm_widget_data_get(obj);
 105    Evas_Coord minw = -1, minh = -1;
 106    if (!wd) return;
 107    edje_object_size_min_restricted_calc(wd->progressbar, &minw, &minh, minw, minh);
 108    evas_object_size_hint_min_set(obj, minw, minh);
 109    evas_object_size_hint_max_set(obj, -1, -1);
 110 }
 111
 112 static void
 113 _changed_size_hints(void *data, Evas *e __UNUSED__, Evas_Object *obj, void *event_info __UNUSED__)
 114 {
 115    Widget_Data *wd = elm_widget_data_get(data);
 116    if (!wd) return;
 117    if (obj != wd->icon) return;
 118    _sizing_eval(data);
 119 }
 120
 121 static void
 122 _sub_del(void *data __UNUSED__, Evas_Object *obj, void *event_info)
 123 {
 124    Widget_Data *wd = elm_widget_data_get(obj);
 125    Evas_Object *sub = event_info;
 126    if (!wd) return;
 127    if (sub == wd->icon)
 128      {
 129         edje_object_signal_emit(wd->progressbar, "elm,state,icon,hidden", "elm");
 130         evas_object_event_callback_del_full
 131            (sub, EVAS_CALLBACK_CHANGED_SIZE_HINTS, _changed_size_hints, obj);
 132         wd->icon = NULL;
 133         edje_object_message_signal_process(wd->progressbar);
 134         _sizing_eval(obj);
 135      }
 136 }
 137
 138 static void
 139 _val_set(Evas_Object *obj)
 140 {
 141    Widget_Data *wd = elm_widget_data_get(obj);
 142    Eina_Bool rtl;
 143    double pos;
 144    if (!wd) return;
 145    pos = wd->val;
 146    rtl = elm_widget_mirrored_get(obj);
 147    if ((!rtl && wd->inverted) || (rtl &&
 148                                   ((!wd->horizontal && wd->inverted) ||
 149                                    (wd->horizontal && !wd->inverted)))) pos = MAX_RATIO_LVL - pos;
 150    edje_object_part_drag_value_set(wd->progressbar, "elm.cur.progressbar", pos, pos);
 151 }
 152
 153 static void
 154 _units_set(Evas_Object *obj)
 155 {
 156    Widget_Data *wd = elm_widget_data_get(obj);
 157    if (!wd) return;
 158    if (wd->units)
 159      {
 160         char buf[1024];
 161         snprintf(buf, sizeof(buf), wd->units, 100 * wd->val);
 162         edje_object_part_text_set(wd->progressbar, "elm.text.status", buf);
 163      }
 164    else
 165      edje_object_part_text_set(wd->progressbar, "elm.text.status", NULL);
 166 }
 167
 168 static void
 169 _elm_progressbar_label_set(Evas_Object *obj, const char *item, const char *label)
 170 {
 171    ELM_CHECK_WIDTYPE(obj, widtype);
 172    Widget_Data *wd = elm_widget_data_get(obj);
 173    if (item && strcmp(item, "default")) return;
 174    if (!wd) return;
 175    eina_stringshare_replace(&wd->label, label);
 176    if (label)
 177      {
 178         edje_object_signal_emit(wd->progressbar, "elm,state,text,visible", "elm");
 179         edje_object_message_signal_process(wd->progressbar);
 180      }
 181    else
 182      {
 183         edje_object_signal_emit(wd->progressbar, "elm,state,text,hidden", "elm");
 184         edje_object_message_signal_process(wd->progressbar);
 185      }
 186    edje_object_part_text_set(wd->progressbar, "elm.text", label);
 187    _sizing_eval(obj);
 188 }
 189
 190 static const char *
 191 _elm_progressbar_label_get(const Evas_Object *obj, const char *item)
 192 {
 193    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 194    Widget_Data *wd = elm_widget_data_get(obj);
 195    if (item && strcmp(item, "default")) return NULL;
 196    if (!wd) return NULL;
 197    return wd->label;
 198 }
 199
 200 static void
 201 _content_set_hook(Evas_Object *obj, const char *part, Evas_Object *content)
 202 {
 203    ELM_CHECK_WIDTYPE(obj, widtype);
 204    Widget_Data *wd;
 205    if (part && strcmp(part, "icon")) return;
 206    wd = elm_widget_data_get(obj);
 207    if (!wd) return;
 208    if (wd->icon == content) return;
 209    if (wd->icon) evas_object_del(wd->icon);
 210    wd->icon = content;
 211    if (content)
 212      {
 213         elm_widget_sub_object_add(obj, content);
 214         evas_object_event_callback_add(content,
 215                                        EVAS_CALLBACK_CHANGED_SIZE_HINTS,
 216                                        _changed_size_hints, obj);
 217         edje_object_part_swallow(wd->progressbar, "elm.swallow.content", content);
 218         edje_object_signal_emit(wd->progressbar, "elm,state,icon,visible", "elm");
 219         edje_object_message_signal_process(wd->progressbar);
 220      }
 221    _sizing_eval(obj);
 222 }
 223
 224 static Evas_Object *
 225 _content_get_hook(const Evas_Object *obj, const char *part)
 226 {
 227    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 228    Widget_Data *wd;
 229    if (part && strcmp(part, "icon")) return NULL;
 230    wd = elm_widget_data_get(obj);
 231    if (!wd) return NULL;
 232    return wd->icon;
 233 }
 234
 235 static Evas_Object *
 236 _content_unset_hook(Evas_Object *obj, const char *part)
 237 {
 238    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 239    Widget_Data *wd;
 240    Evas_Object *icon;
 241    if (part && strcmp(part, "icon")) return NULL;
 242    wd = elm_widget_data_get(obj);
 243    if (!wd) return NULL;
 244    if (!wd->icon) return NULL;
 245    icon = wd->icon;
 246    elm_widget_sub_object_del(obj, wd->icon);
 247    evas_object_event_callback_add(icon, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
 248                                   _changed_size_hints, obj);
 249    edje_object_part_unswallow(wd->progressbar, wd->icon);
 250    wd->icon = NULL;
 251    return icon;
 252 }
 253
 254
 255 EAPI Evas_Object *
 256 elm_progressbar_add(Evas_Object *parent)
 257 {
 258    Evas_Object *obj;
 259    Evas *e;
 260    Widget_Data *wd;
 261
 262    ELM_WIDGET_STANDARD_SETUP(wd, Widget_Data, parent, e, obj, NULL);
 263
 264    ELM_SET_WIDTYPE(widtype, "progressbar");
 265    elm_widget_type_set(obj, "progressbar");
 266    elm_widget_sub_object_add(parent, obj);
 267    elm_widget_data_set(obj, wd);
 268    elm_widget_del_hook_set(obj, _del_hook);
 269    elm_widget_theme_hook_set(obj, _theme_hook);
 270    elm_widget_can_focus_set(obj, EINA_FALSE);
 271    elm_widget_text_set_hook_set(obj, _elm_progressbar_label_set);
 272    elm_widget_text_get_hook_set(obj, _elm_progressbar_label_get);
 273    elm_widget_content_set_hook_set(obj, _content_set_hook);
 274    elm_widget_content_get_hook_set(obj, _content_get_hook);
 275    elm_widget_content_unset_hook_set(obj, _content_unset_hook);
 276
 277    wd->horizontal = EINA_TRUE;
 278    wd->inverted = EINA_FALSE;
 279    wd->pulse = EINA_FALSE;
 280    wd->pulse_state = EINA_FALSE;
 281    wd->units = eina_stringshare_add("%.0f %%");
 282    wd->val = MIN_RATIO_LVL;
 283
 284    wd->progressbar = edje_object_add(e);
 285    _elm_theme_object_set(obj, wd->progressbar, "progressbar", "horizontal", "default");
 286    elm_widget_resize_object_set(obj, wd->progressbar);
 287
 288    wd->spacer = evas_object_rectangle_add(e);
 289    evas_object_color_set(wd->spacer, 0, 0, 0, 0);
 290    evas_object_pass_events_set(wd->spacer, EINA_TRUE);
 291    elm_widget_sub_object_add(obj, wd->spacer);
 292    edje_object_part_swallow(wd->progressbar, "elm.swallow.bar", wd->spacer);
 293
 294    evas_object_smart_callback_add(obj, "sub-object-del", _sub_del, obj);
 295    _units_set(obj);
 296    _val_set(obj);
 297    _mirrored_set(obj, elm_widget_mirrored_get(obj));
 298    _sizing_eval(obj);
 299    return obj;
 300 }
 301
 302 EAPI void
 303 elm_progressbar_pulse_set(Evas_Object *obj, Eina_Bool pulse)
 304 {
 305    ELM_CHECK_WIDTYPE(obj, widtype);
 306    Widget_Data *wd = elm_widget_data_get(obj);
 307    if (!wd) return;
 308    pulse = !!pulse;
 309    if (wd->pulse == pulse) return;
 310    wd->pulse = pulse;
 311    _theme_hook(obj);
 312 }
 313
 314 EAPI Eina_Bool
 315 elm_progressbar_pulse_get(const Evas_Object *obj)
 316 {
 317    ELM_CHECK_WIDTYPE(obj, widtype) EINA_FALSE;
 318    Widget_Data *wd = elm_widget_data_get(obj);
 319    if (!wd) return EINA_FALSE;
 320    return wd->pulse;
 321 }
 322
 323 EAPI void
 324 elm_progressbar_pulse(Evas_Object *obj, Eina_Bool state)
 325 {
 326    ELM_CHECK_WIDTYPE(obj, widtype);
 327    Widget_Data *wd = elm_widget_data_get(obj);
 328    if (!wd) return;
 329    state = !!state;
 330    if ((!wd->pulse) && (wd->pulse_state == state)) return;
 331    wd->pulse_state = state;
 332    if (wd->pulse_state)
 333      edje_object_signal_emit(wd->progressbar, "elm,state,pulse,start", "elm");
 334    else
 335      edje_object_signal_emit(wd->progressbar, "elm,state,pulse,stop", "elm");
 336 }
 337
 338 EAPI void
 339 elm_progressbar_value_set(Evas_Object *obj, double val)
 340 {
 341    ELM_CHECK_WIDTYPE(obj, widtype);
 342    Widget_Data *wd = elm_widget_data_get(obj);
 343    if (!wd) return;
 344    if (wd->val == val) return;
 345    wd->val = val;
 346    if (wd->val < MIN_RATIO_LVL) wd->val = MIN_RATIO_LVL;
 347    if (wd->val > MAX_RATIO_LVL) wd->val = MAX_RATIO_LVL;
 348    _val_set(obj);
 349    _units_set(obj);
 350 }
 351
 352 EAPI double
 353 elm_progressbar_value_get(const Evas_Object *obj)
 354 {
 355    ELM_CHECK_WIDTYPE(obj, widtype) 0.0;
 356    Widget_Data *wd = elm_widget_data_get(obj);
 357    if (!wd) return 0.0;
 358    return wd->val;
 359 }
 360
 361 EAPI void
 362 elm_progressbar_span_size_set(Evas_Object *obj, Evas_Coord size)
 363 {
 364    ELM_CHECK_WIDTYPE(obj, widtype);
 365    Widget_Data *wd = elm_widget_data_get(obj);
 366    if (!wd) return;
 367    if (wd->size == size) return;
 368    wd->size = size;
 369    if (wd->horizontal)
 370      evas_object_size_hint_min_set(wd->spacer, (double)wd->size * elm_widget_scale_get(obj) * _elm_config->scale, 1);
 371    else
 372      evas_object_size_hint_min_set(wd->spacer, 1, (double)wd->size * elm_widget_scale_get(obj) * _elm_config->scale);
 373    edje_object_part_swallow(wd->progressbar, "elm.swallow.bar", wd->spacer);
 374    _sizing_eval(obj);
 375 }
 376
 377 EAPI Evas_Coord
 378 elm_progressbar_span_size_get(const Evas_Object *obj)
 379 {
 380    ELM_CHECK_WIDTYPE(obj, widtype) 0;
 381    Widget_Data *wd = elm_widget_data_get(obj);
 382    if (!wd) return 0;
 383    return wd->size;
 384 }
 385
 386 EAPI void
 387 elm_progressbar_unit_format_set(Evas_Object *obj, const char *units)
 388 {
 389    ELM_CHECK_WIDTYPE(obj, widtype);
 390    Widget_Data *wd = elm_widget_data_get(obj);
 391    if (!wd) return;
 392    eina_stringshare_replace(&wd->units, units);
 393    if (units)
 394      {
 395         edje_object_signal_emit(wd->progressbar, "elm,state,units,visible", "elm");
 396         edje_object_message_signal_process(wd->progressbar);
 397      }
 398    else
 399      {
 400         edje_object_signal_emit(wd->progressbar, "elm,state,units,hidden", "elm");
 401         edje_object_message_signal_process(wd->progressbar);
 402      }
 403    _units_set(obj);
 404    _sizing_eval(obj);
 405 }
 406
 407 EAPI const char *
 408 elm_progressbar_unit_format_get(const Evas_Object *obj)
 409 {
 410    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 411    Widget_Data *wd = elm_widget_data_get(obj);
 412    if (!wd) return NULL;
 413    return wd->units;
 414 }
 415
 416 EAPI void
 417 elm_progressbar_horizontal_set(Evas_Object *obj, Eina_Bool horizontal)
 418 {
 419    ELM_CHECK_WIDTYPE(obj, widtype);
 420    Widget_Data *wd = elm_widget_data_get(obj);
 421    if (!wd) return;
 422    horizontal = !!horizontal;
 423    if (wd->horizontal == horizontal) return;
 424    wd->horizontal = horizontal;
 425    _theme_hook(obj);
 426 }
 427
 428 EAPI Eina_Bool
 429 elm_progressbar_horizontal_get(const Evas_Object *obj)
 430 {
 431    ELM_CHECK_WIDTYPE(obj, widtype) EINA_FALSE;
 432    Widget_Data *wd = elm_widget_data_get(obj);
 433    if (!wd) return EINA_FALSE;
 434    return wd->horizontal;
 435 }
 436
 437 EAPI void
 438 elm_progressbar_inverted_set(Evas_Object *obj, Eina_Bool inverted)
 439 {
 440    ELM_CHECK_WIDTYPE(obj, widtype);
 441    Widget_Data *wd = elm_widget_data_get(obj);
 442    if (!wd) return;
 443    inverted = !!inverted;
 444    if (wd->inverted == inverted) return;
 445    wd->inverted = inverted;
 446    if (wd->inverted)
 447      edje_object_signal_emit(wd->progressbar, "elm,state,inverted,on", "elm");
 448    else
 449      edje_object_signal_emit(wd->progressbar, "elm,state,inverted,off", "elm");
 450    edje_object_message_signal_process(wd->progressbar);
 451    _val_set(obj);
 452    _units_set(obj);
 453 }
 454
 455 EAPI Eina_Bool
 456 elm_progressbar_inverted_get(const Evas_Object *obj)
 457 {
 458    ELM_CHECK_WIDTYPE(obj, widtype) EINA_FALSE;
 459    Widget_Data *wd = elm_widget_data_get(obj);
 460    if (!wd) return EINA_FALSE;
 461    return wd->inverted;
 462 }