src/lib/elm_panel.c

   1 #include <Elementary.h>
   2 #include "elm_priv.h"
   3
   4 typedef struct _Widget_Data Widget_Data;
   5 struct _Widget_Data
   6 {
   7    Evas_Object *scr, *bx, *content;
   8    Elm_Panel_Orient orient;
   9    Eina_Bool hidden : 1;
  10 };
  11
  12 static const char *widtype = NULL;
  13 static void _del_hook(Evas_Object *obj);
  14 static void _theme_hook(Evas_Object *obj);
  15 static void _on_focus_hook(void *data, Evas_Object *obj);
  16 static void _sizing_eval(Evas_Object *obj);
  17 static void _resize(void *data, Evas *evas, Evas_Object *obj, void *event);
  18 static void _layout(Evas_Object *o, Evas_Object_Box_Data *priv, void *data);
  19 static void _toggle_panel(void *data, Evas_Object *obj, const char *emission, const char *source);
  20
  21 static void
  22 _del_hook(Evas_Object *obj)
  23 {
  24    Widget_Data *wd = elm_widget_data_get(obj);
  25    if (!wd) return;
  26    free(wd);
  27 }
  28
  29 static void
  30 _mirrored_set(Evas_Object *obj, Eina_Bool rtl)
  31 {
  32    Widget_Data *wd = elm_widget_data_get(obj);
  33    if (!wd) return;
  34
  35    if (wd->scr)
  36      {
  37         elm_widget_mirrored_set(wd->bx, rtl);
  38         elm_panel_orient_set(obj, elm_panel_orient_get(obj));
  39      }
  40 }
  41
  42 static void
  43 _theme_hook(Evas_Object *obj)
  44 {
  45    Widget_Data *wd = elm_widget_data_get(obj);
  46    if (!wd) return;
  47    _elm_widget_mirrored_reload(obj);
  48    if (wd->scr)
  49      {
  50         Evas_Object *edj;
  51         const char *str;
  52
  53         _mirrored_set(obj, elm_widget_mirrored_get(obj));
  54         elm_smart_scroller_object_theme_set(obj, wd->scr, "panel", "base",
  55                                             elm_widget_style_get(obj));
  56         //   scale = (elm_widget_scale_get(obj) * _elm_config->scale);
  57         //   edje_object_scale_set(wd->scr, scale);
  58         edj = elm_smart_scroller_edje_object_get(wd->scr);
  59         str = edje_object_data_get(edj, "focus_highlight");
  60         if ((str) && (!strcmp(str, "on")))
  61           elm_widget_highlight_in_theme_set(obj, EINA_TRUE);
  62         else
  63           elm_widget_highlight_in_theme_set(obj, EINA_FALSE);
  64      }
  65
  66    _sizing_eval(obj);
  67 }
  68
  69 static void
  70 _on_focus_hook(void *data __UNUSED__, Evas_Object *obj)
  71 {
  72    Widget_Data *wd = elm_widget_data_get(obj);
  73    if (!wd) return;
  74    if (elm_widget_focus_get(obj))
  75      evas_object_focus_set(obj, EINA_TRUE);
  76    else
  77      evas_object_focus_set(obj, EINA_FALSE);
  78 }
  79
  80 static Eina_Bool
  81 _elm_panel_focus_next_hook(const Evas_Object *obj, Elm_Focus_Direction dir, Evas_Object **next)
  82 {
  83    Widget_Data *wd = elm_widget_data_get(obj);
  84    Evas_Object *cur;
  85
  86    if ((!wd) || (!wd->content))
  87      return EINA_FALSE;
  88
  89    cur = wd->content;
  90
  91    /* Try Focus cycle in subitem */
  92    if (!wd->hidden)
  93      return elm_widget_focus_next_get(cur, dir, next);
  94
  95    /* Return */
  96    *next = (Evas_Object *)obj;
  97    return !elm_widget_focus_get(obj);
  98 }
  99
 100 static void
 101 _signal_emit_hook(Evas_Object *obj, const char *emission, const char *source)
 102 {
 103    Widget_Data *wd = elm_widget_data_get(obj);
 104    if (!wd) return;
 105    edje_object_signal_emit(elm_smart_scroller_edje_object_get(wd->scr),
 106                            emission, source);
 107 }
 108
 109 static void
 110 _signal_callback_add_hook(Evas_Object *obj, const char *emission, const char *source, Edje_Signal_Cb func_cb, void *data)
 111 {
 112    Widget_Data *wd = elm_widget_data_get(obj);
 113    if (!wd) return;
 114    edje_object_signal_callback_add(elm_smart_scroller_edje_object_get(wd->scr),
 115                                    emission, source, func_cb, data);
 116 }
 117
 118 static void
 119 _signal_callback_del_hook(Evas_Object *obj, const char *emission, const char *source, Edje_Signal_Cb func_cb, void *data)
 120 {
 121    Widget_Data *wd = elm_widget_data_get(obj);
 122    edje_object_signal_callback_del_full(
 123       elm_smart_scroller_edje_object_get(wd->scr), emission, source,
 124       func_cb, data);
 125 }
 126
 127 static void
 128 _sizing_eval(Evas_Object *obj)
 129 {
 130    Widget_Data *wd = elm_widget_data_get(obj);
 131    Evas_Coord mw = -1, mh = -1;
 132    Evas_Coord vw = 0, vh = 0;
 133    Evas_Coord w, h;
 134    if (!wd) return;
 135    evas_object_smart_calculate(wd->bx);
 136    edje_object_size_min_calc(elm_smart_scroller_edje_object_get(wd->scr),
 137                              &mw, &mh);
 138    evas_object_geometry_get(obj, NULL, NULL, &w, &h);
 139    if (w < mw) w = mw;
 140    if (h < mh) h = mh;
 141    evas_object_resize(wd->scr, w, h);
 142
 143    evas_object_size_hint_min_get(wd->bx, &mw, &mh);
 144    if (w > mw) mw = w;
 145    if (h > mh) mh = h;
 146    evas_object_resize(wd->bx, mw, mh);
 147
 148    elm_smart_scroller_child_viewport_size_get(wd->scr, &vw, &vh);
 149    mw = mw + (w - vw);
 150    mh = mh + (h - vh);
 151    evas_object_size_hint_min_set(obj, mw, mh);
 152    evas_object_size_hint_max_set(obj, -1, -1);
 153 }
 154
 155 static void
 156 _resize(void *data, Evas *evas __UNUSED__, Evas_Object *obj __UNUSED__, void *event __UNUSED__)
 157 {
 158    Widget_Data *wd = elm_widget_data_get(data);
 159    Evas_Coord mw, mh, vw, vh, w, h;
 160    if (!wd) return;
 161    elm_smart_scroller_child_viewport_size_get(wd->scr, &vw, &vh);
 162    evas_object_size_hint_min_get(wd->bx, &mw, &mh);
 163    evas_object_geometry_get(wd->bx, NULL, NULL, &w, &h);
 164    if ((vw >= mw) || (vh >= mh))
 165      {
 166         if ((w != vw) || (h != vh)) evas_object_resize(wd->bx, vw, vh);
 167      }
 168 }
 169
 170 static void
 171 _layout(Evas_Object *o, Evas_Object_Box_Data *priv, void *data)
 172 {
 173    Widget_Data *wd = data;
 174    if (!wd) return;
 175    _els_box_layout(o, priv, EINA_TRUE, EINA_FALSE, EINA_FALSE);
 176 }
 177
 178 static void
 179 _toggle_panel(void *data, Evas_Object *obj, const char *emission __UNUSED__, const char *source __UNUSED__)
 180 {
 181    Widget_Data *wd = elm_widget_data_get(data);
 182    if (!wd) return;
 183    if (wd->hidden)
 184      {
 185         edje_object_signal_emit(elm_smart_scroller_edje_object_get(wd->scr),
 186                                 "elm,action,show", "elm");
 187         wd->hidden = EINA_FALSE;
 188         evas_object_repeat_events_set(obj, EINA_FALSE);
 189      }
 190    else
 191      {
 192         edje_object_signal_emit(elm_smart_scroller_edje_object_get(wd->scr),
 193                                 "elm,action,hide", "elm");
 194         wd->hidden = EINA_TRUE;
 195         evas_object_repeat_events_set(obj, EINA_TRUE);
 196         if (elm_widget_focus_get(wd->content))
 197           {
 198              elm_widget_focused_object_clear(obj);
 199              elm_widget_focus_steal(obj);
 200           }
 201      }
 202 }
 203
 204 static Eina_Bool
 205 _event_hook(Evas_Object *obj, Evas_Object *src __UNUSED__, Evas_Callback_Type type, void *event_info)
 206 {
 207    if ((src != obj) || (type != EVAS_CALLBACK_KEY_DOWN)) return EINA_FALSE;
 208
 209    Evas_Event_Key_Down *ev = event_info;
 210    Widget_Data *wd = elm_widget_data_get(obj);
 211    if (!wd) return EINA_FALSE;
 212
 213    if (ev->event_flags & EVAS_EVENT_FLAG_ON_HOLD) return EINA_FALSE;
 214
 215    if ((strcmp(ev->keyname, "Return")) &&
 216        (strcmp(ev->keyname, "KP_Enter")) &&
 217        (strcmp(ev->keyname, "space")))
 218      return EINA_FALSE;
 219
 220    _toggle_panel(obj, NULL, "elm,action,panel,toggle", "*");
 221
 222    ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
 223    return EINA_TRUE;
 224 }
 225
 226 EAPI Evas_Object *
 227 elm_panel_add(Evas_Object *parent)
 228 {
 229    Evas_Object *obj;
 230    Evas *e;
 231    Widget_Data *wd;
 232
 233    ELM_WIDGET_STANDARD_SETUP(wd, Widget_Data, parent, e, obj, NULL);
 234
 235    ELM_SET_WIDTYPE(widtype, "panel");
 236    elm_widget_type_set(obj, "panel");
 237    elm_widget_sub_object_add(parent, obj);
 238    elm_widget_data_set(obj, wd);
 239    elm_widget_del_hook_set(obj, _del_hook);
 240    elm_widget_theme_hook_set(obj, _theme_hook);
 241    elm_widget_on_focus_hook_set(obj, _on_focus_hook, NULL);
 242    elm_widget_signal_emit_hook_set(obj, _signal_emit_hook);
 243    elm_widget_signal_callback_add_hook_set(obj, _signal_callback_add_hook);
 244    elm_widget_signal_callback_del_hook_set(obj, _signal_callback_del_hook);
 245    elm_widget_focus_next_hook_set(obj, _elm_panel_focus_next_hook);
 246    elm_widget_can_focus_set(obj, EINA_TRUE);
 247    elm_widget_event_hook_set(obj, _event_hook);
 248
 249    wd->scr = elm_smart_scroller_add(e);
 250    elm_smart_scroller_widget_set(wd->scr, obj);
 251    _theme_hook(obj);
 252    elm_smart_scroller_bounce_allow_set(wd->scr, EINA_FALSE, EINA_FALSE);
 253    elm_widget_resize_object_set(obj, wd->scr);
 254    elm_smart_scroller_policy_set(wd->scr, ELM_SMART_SCROLLER_POLICY_OFF,
 255                                  ELM_SMART_SCROLLER_POLICY_OFF);
 256
 257    wd->hidden = EINA_FALSE;
 258    wd->orient = ELM_PANEL_ORIENT_LEFT;
 259
 260    wd->bx = evas_object_box_add(e);
 261    evas_object_size_hint_align_set(wd->bx, 0.5, 0.5);
 262    evas_object_box_layout_set(wd->bx, _layout, wd, NULL);
 263    elm_widget_sub_object_add(obj, wd->bx);
 264    elm_smart_scroller_child_set(wd->scr, wd->bx);
 265    evas_object_show(wd->bx);
 266
 267    edje_object_signal_callback_add(elm_smart_scroller_edje_object_get(wd->scr),
 268                                    "elm,action,panel,toggle", "*",
 269                                    _toggle_panel, obj);
 270
 271    evas_object_event_callback_add(wd->scr, EVAS_CALLBACK_RESIZE, _resize, obj);
 272
 273    _mirrored_set(obj, elm_widget_mirrored_get(obj));
 274    _sizing_eval(obj);
 275    return obj;
 276 }
 277
 278 EAPI void
 279 elm_panel_orient_set(Evas_Object *obj, Elm_Panel_Orient orient)
 280 {
 281    ELM_CHECK_WIDTYPE(obj, widtype);
 282    Widget_Data *wd = elm_widget_data_get(obj);
 283    if (!wd) return;
 284    wd->orient = orient;
 285    switch (orient)
 286      {
 287       case ELM_PANEL_ORIENT_TOP:
 288          elm_smart_scroller_object_theme_set(obj, wd->scr, "panel", "base", "top");
 289          break;
 290       case ELM_PANEL_ORIENT_BOTTOM:
 291          elm_smart_scroller_object_theme_set(obj, wd->scr, "panel", "base", "bottom");
 292          break;
 293       case ELM_PANEL_ORIENT_LEFT:
 294          if (!elm_widget_mirrored_get(obj))
 295            elm_smart_scroller_object_theme_set(obj, wd->scr, "panel", "base", "left");
 296          else
 297            elm_smart_scroller_object_theme_set(obj, wd->scr, "panel", "base", "right");
 298          break;
 299       case ELM_PANEL_ORIENT_RIGHT:
 300          if (!elm_widget_mirrored_get(obj))
 301            elm_smart_scroller_object_theme_set(obj, wd->scr, "panel", "base", "right");
 302          else
 303            elm_smart_scroller_object_theme_set(obj, wd->scr, "panel", "base", "left");
 304          break;
 305      }
 306
 307    _sizing_eval(obj);
 308 }
 309
 310 EAPI Elm_Panel_Orient
 311 elm_panel_orient_get(const Evas_Object *obj)
 312 {
 313    ELM_CHECK_WIDTYPE(obj, widtype) ELM_PANEL_ORIENT_LEFT;
 314    Widget_Data *wd = elm_widget_data_get(obj);
 315    if (!wd) return ELM_PANEL_ORIENT_LEFT;
 316    return wd->orient;
 317 }
 318
 319 EAPI void
 320 elm_panel_content_set(Evas_Object *obj, Evas_Object *content)
 321 {
 322    ELM_CHECK_WIDTYPE(obj, widtype);
 323    Widget_Data *wd = elm_widget_data_get(obj);
 324    if (!wd) return;
 325    if (wd->content == content) return;
 326    if (wd->content)
 327      evas_object_box_remove_all(wd->bx, EINA_TRUE);
 328    wd->content = content;
 329    if (content)
 330      {
 331         evas_object_box_append(wd->bx, wd->content);
 332         evas_object_show(wd->content);
 333      }
 334    _sizing_eval(obj);
 335 }
 336
 337 EAPI Evas_Object *
 338 elm_panel_content_get(const Evas_Object *obj)
 339 {
 340    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 341    Widget_Data *wd = elm_widget_data_get(obj);
 342    if (!wd) return NULL;
 343    return wd->content;
 344 }
 345
 346 EAPI Evas_Object *
 347 elm_panel_content_unset(Evas_Object *obj)
 348 {
 349    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 350    Widget_Data *wd = elm_widget_data_get(obj);
 351    Evas_Object *content;
 352    if (!wd) return NULL;
 353    if (!wd->content) return NULL;
 354    content = wd->content;
 355    evas_object_box_remove_all(wd->bx, EINA_FALSE);
 356    wd->content = NULL;
 357    return content;
 358 }
 359
 360 EAPI void
 361 elm_panel_hidden_set(Evas_Object *obj, Eina_Bool hidden)
 362 {
 363    ELM_CHECK_WIDTYPE(obj, widtype);
 364    Widget_Data *wd = elm_widget_data_get(obj);
 365    if (!wd) return;
 366    if (wd->hidden == hidden) return;
 367    _toggle_panel(obj, NULL, "elm,action,panel,toggle", "*");
 368 }
 369
 370 EAPI Eina_Bool
 371 elm_panel_hidden_get(const Evas_Object *obj)
 372 {
 373    ELM_CHECK_WIDTYPE(obj, widtype) EINA_FALSE;
 374    Widget_Data *wd = elm_widget_data_get(obj);
 375    if (!wd) return EINA_FALSE;
 376    return wd->hidden;
 377 }
 378
 379 EAPI void
 380 elm_panel_toggle(Evas_Object *obj)
 381 {
 382    ELM_CHECK_WIDTYPE(obj, widtype);
 383    Widget_Data *wd = elm_widget_data_get(obj);
 384    if (!wd) return;
 385    _toggle_panel(obj, NULL, "elm,action,panel,toggle", "*");
 386 }