src/lib/elm_conform.c

   1 #include <Elementary.h>
   2 #include "elm_priv.h"
   3
   4 /**
   5  * @defgroup Conformant Conformant
   6  *
   7  * The aim is to provide a widget that can be used in elementary apps to
   8  * account for space taken up by the indicator & softkey windows when running
   9  * the illume2 module of E17.
  10  */
  11
  12 typedef struct _Widget_Data Widget_Data;
  13 struct _Widget_Data
  14 {
  15    Evas_Object *base;
  16    Evas_Object *shelf, *panel;
  17    Evas_Object *content;
  18    Ecore_Event_Handler *prop_hdl;
  19    struct
  20    {
  21       Ecore_Animator *animator; // animaton timer
  22       double start; // time started
  23       Evas_Coord auto_x, auto_y; // desired delta
  24       Evas_Coord x, y; // current delta
  25    } delta;
  26 };
  27
  28 /* local function prototypes */
  29 static const char *widtype = NULL;
  30 static void _del_hook(Evas_Object *obj);
  31 static void _mirrored_set(Evas_Object *obj, Eina_Bool rtl);
  32 static void _theme_hook(Evas_Object *obj);
  33 static void _sizing_eval(Evas_Object *obj);
  34 static Eina_Bool _prop_change(void *data, int type, void *event);
  35
  36 /* local functions */
  37 static void
  38 _del_hook(Evas_Object *obj)
  39 {
  40    Widget_Data *wd = elm_widget_data_get(obj);
  41
  42    if (!wd) return;
  43    if (wd->prop_hdl) ecore_event_handler_del(wd->prop_hdl);
  44    free(wd);
  45 }
  46
  47 static void
  48 _mirrored_set(Evas_Object *obj, Eina_Bool rtl)
  49 {
  50    Widget_Data *wd = elm_widget_data_get(obj);
  51
  52    if (!wd) return;
  53    edje_object_mirrored_set(wd->base, rtl);
  54 }
  55
  56 static void
  57 _theme_hook(Evas_Object *obj)
  58 {
  59    Widget_Data *wd = elm_widget_data_get(obj);
  60
  61    if (!wd) return;
  62    _elm_widget_mirrored_reload(obj);
  63    _mirrored_set(obj, elm_widget_mirrored_get(obj));
  64    _elm_theme_object_set(obj, wd->base, "conformant", "base",
  65                          elm_widget_style_get(obj));
  66
  67    if (wd->content)
  68      edje_object_part_swallow(wd->base, "elm.swallow.content", wd->content);
  69    edje_object_scale_set(wd->base, elm_widget_scale_get(obj)
  70                          * _elm_config->scale);
  71    _sizing_eval(obj);
  72 }
  73
  74 static void
  75 _sizing_eval(Evas_Object *obj)
  76 {
  77    Widget_Data *wd = elm_widget_data_get(obj);
  78    Evas_Coord mw = -1, mh = -1;
  79
  80    if (!wd) return;
  81    edje_object_size_min_calc(wd->base, &mw, &mh);
  82    evas_object_size_hint_min_set(obj, mw, mh);
  83    evas_object_size_hint_max_set(obj, -1, -1);
  84 }
  85
  86 static void
  87 _changed_size_hints(void *data, Evas *e __UNUSED__,
  88                     Evas_Object *obj __UNUSED__,
  89                     void *event_info __UNUSED__)
  90 {
  91    Widget_Data *wd = elm_widget_data_get(data);
  92
  93    if (!wd) return;
  94    _sizing_eval(data);
  95 }
  96
  97 static void
  98 _sub_del(void *data __UNUSED__, Evas_Object *obj, void *event_info)
  99 {
 100    Widget_Data *wd = elm_widget_data_get(obj);
 101    Evas_Object *sub = event_info;
 102
 103    if (!wd) return;
 104    if (sub == wd->content)
 105      {
 106         evas_object_event_callback_del_full(sub,
 107                                             EVAS_CALLBACK_CHANGED_SIZE_HINTS,
 108                                             _changed_size_hints, obj);
 109         wd->content = NULL;
 110         _sizing_eval(obj);
 111      }
 112 }
 113
 114 /* unused now - but meant to be for making sure the focused widget is always
 115  * visible when the vkbd comes and goes by moving the conformant obj (and thus
 116  * its children) to  show the focused widget (and if focus changes follow)
 117
 118 static Evas_Object *
 119 _focus_object_get(const Evas_Object *obj)
 120 {
 121    Evas_Object *win, *foc;
 122
 123    win = elm_widget_top_get(obj);
 124    if (!win) return NULL;
 125    foc = elm_widget_top_get(win);
 126 }
 127
 128 static void
 129 _focus_object_region_get(const Evas_Object *obj, Evas_Coord *x, Evas_Coord *y, Evas_Coord *w, Evas_Coord *h)
 130 {
 131    evas_object_geometry_get(obj, x, y, w, h);
 132 }
 133
 134 static void
 135 _focus_change_del(void *data, Evas_Object *obj, void *event_info)
 136 {
 137    // called from toplevel when the focused window shanges
 138 }
 139
 140 static void
 141 _autoscroll_move(Evas_Object *obj)
 142 {
 143    // move conformant edje by delta to show focused widget
 144 }
 145
 146 static void
 147 _autoscroll_mode_enable(Evas_Object *obj)
 148 {
 149 // called when autoscroll mode should be on - content area smaller than
 150 // its min size
 151 // 1. get focused object
 152 // 2. if not in visible conformant area calculate delta needed to
 153 //    get it in
 154 // 3. store delta and call _autoscroll_move() which either asanimates
 155 //    or jumps right there
 156 }
 157
 158 static void
 159 _autoscroll_mode_disable(Evas_Object *obj)
 160 {
 161 // called when autoscroll mode should be off - set delta to 0 and
 162 // call _autoscroll_move()
 163 }
 164  */
 165
 166 static Eina_Bool
 167 _prop_change(void *data, int type __UNUSED__, void *event)
 168 {
 169 #ifdef HAVE_ELEMENTARY_X
 170    Ecore_X_Event_Window_Property *ev;
 171    Widget_Data *wd = elm_widget_data_get(data);
 172
 173    if (!wd) return ECORE_CALLBACK_PASS_ON;
 174    ev = event;
 175    if (ev->atom == ECORE_X_ATOM_E_ILLUME_ZONE)
 176      {
 177         Ecore_X_Window zone;
 178         int sh = -1;
 179
 180         zone = ecore_x_e_illume_zone_get(ev->win);
 181         ecore_x_e_illume_indicator_geometry_get(zone, NULL, NULL, NULL, &sh);
 182         if (sh < 0) sh = 0;
 183         evas_object_size_hint_min_set(wd->shelf, -1, sh);
 184         evas_object_size_hint_max_set(wd->shelf, -1, sh);
 185         sh = -1;
 186         ecore_x_e_illume_softkey_geometry_get(zone, NULL, NULL, NULL, &sh);
 187         if (sh < 0) sh = 0;
 188         evas_object_size_hint_min_set(wd->panel, -1, sh);
 189         evas_object_size_hint_max_set(wd->panel, -1, sh);
 190      }
 191    else if (ev->atom == ECORE_X_ATOM_E_ILLUME_INDICATOR_GEOMETRY)
 192      {
 193         Ecore_X_Window zone;
 194         int sh = -1;
 195
 196         zone = ecore_x_e_illume_zone_get(ev->win);
 197         ecore_x_e_illume_indicator_geometry_get(zone, NULL, NULL, NULL, &sh);
 198         if (sh < 0) sh = 0;
 199         evas_object_size_hint_min_set(wd->shelf, -1, sh);
 200         evas_object_size_hint_max_set(wd->shelf, -1, sh);
 201      }
 202    else if (ev->atom == ECORE_X_ATOM_E_ILLUME_SOFTKEY_GEOMETRY)
 203      {
 204         Ecore_X_Window zone;
 205         int sh = -1;
 206
 207         zone = ecore_x_e_illume_zone_get(ev->win);
 208         ecore_x_e_illume_softkey_geometry_get(zone, NULL, NULL, NULL, &sh);
 209         if (sh < 0) sh = 0;
 210         evas_object_size_hint_min_set(wd->panel, -1, sh);
 211         evas_object_size_hint_max_set(wd->panel, -1, sh);
 212      }
 213    else if (ev->atom == ECORE_X_ATOM_E_ILLUME_KEYBOARD_GEOMETRY)
 214      {
 215         Ecore_X_Window zone;
 216         int ky = -1;
 217
 218         printf("Keyboard Geometry Changed\n");
 219         zone = ecore_x_e_illume_zone_get(ev->win);
 220         ecore_x_e_illume_keyboard_geometry_get(zone, NULL, &ky, NULL, NULL);
 221         printf("\tGeom: %d\n", ky);
 222      }
 223 #endif
 224
 225    return ECORE_CALLBACK_PASS_ON;
 226 }
 227
 228 /**
 229  * Add a new Conformant object
 230  *
 231  * @param parent The parent object
 232  * @return The new conformant object or NULL if it cannot be created
 233  *
 234  * @ingroup Conformant
 235  */
 236 EAPI Evas_Object *
 237 elm_conformant_add(Evas_Object *parent)
 238 {
 239    Evas_Object *obj;
 240    Evas *e;
 241    Widget_Data *wd;
 242
 243    ELM_WIDGET_STANDARD_SETUP(wd, Widget_Data, parent, e, obj, NULL);
 244
 245    ELM_SET_WIDTYPE(widtype, "conformant");
 246    elm_widget_type_set(obj, "conformant");
 247    elm_widget_sub_object_add(parent, obj);
 248    elm_widget_data_set(obj, wd);
 249    elm_widget_del_hook_set(obj, _del_hook);
 250    elm_widget_theme_hook_set(obj, _theme_hook);
 251    elm_widget_can_focus_set(obj, EINA_FALSE);
 252
 253    wd->base = edje_object_add(e);
 254    _elm_theme_object_set(obj, wd->base, "conformant", "base", "default");
 255    elm_widget_resize_object_set(obj, wd->base);
 256
 257 #ifdef HAVE_ELEMENTARY_X
 258    Evas_Object *top = elm_widget_top_get(obj);
 259    Ecore_X_Window zone, xwin = elm_win_xwindow_get(top);
 260
 261    if ((xwin) && (!elm_win_inlined_image_object_get(top)))
 262      {
 263         int sh = -1;
 264
 265         zone = ecore_x_e_illume_zone_get(xwin);
 266
 267         ecore_x_e_illume_indicator_geometry_get(zone, NULL, NULL, NULL, &sh);
 268         if (sh < 0) sh = 0;
 269         wd->shelf = evas_object_rectangle_add(e);
 270         evas_object_color_set(wd->shelf, 0, 0, 0, 0);
 271         evas_object_size_hint_min_set(wd->shelf, -1, sh);
 272         evas_object_size_hint_max_set(wd->shelf, -1, sh);
 273         edje_object_part_swallow(wd->base, "elm.swallow.shelf", wd->shelf);
 274
 275         sh = -1;
 276         ecore_x_e_illume_softkey_geometry_get(zone, NULL, NULL, NULL, &sh);
 277         if (sh < 0) sh = 0;
 278         wd->panel = evas_object_rectangle_add(e);
 279         evas_object_color_set(wd->panel, 0, 0, 0, 0);
 280         evas_object_size_hint_min_set(wd->panel, -1, sh);
 281         evas_object_size_hint_max_set(wd->panel, -1, sh);
 282         edje_object_part_swallow(wd->base, "elm.swallow.panel", wd->panel);
 283
 284         wd->prop_hdl = ecore_event_handler_add(ECORE_X_EVENT_WINDOW_PROPERTY,
 285                                                _prop_change, obj);
 286      }
 287    // FIXME: get kbd region prop
 288 #endif
 289
 290    evas_object_smart_callback_add(obj, "sub-object-del", _sub_del, obj);
 291
 292    _mirrored_set(obj, elm_widget_mirrored_get(obj));
 293    _sizing_eval(obj);
 294    return obj;
 295 }
 296
 297 /**
 298  * Set the content of the conformant widget
 299  *
 300  * Once the content object is set, a previously set one will be deleted.
 301  * If you want to keep that old content object, use the
 302  * elm_conformat_content_unset() function.
 303  *
 304  * @param obj The conformant object
 305  * @return The content that was being used
 306  *
 307  * @ingroup Conformant
 308  */
 309 EAPI void
 310 elm_conformant_content_set(Evas_Object *obj, Evas_Object *content)
 311 {
 312    ELM_CHECK_WIDTYPE(obj, widtype);
 313    Widget_Data *wd = elm_widget_data_get(obj);
 314
 315    if (!wd) return;
 316    if (wd->content == content) return;
 317    if (wd->content) evas_object_del(wd->content);
 318    wd->content = content;
 319    if (content)
 320      {
 321         elm_widget_sub_object_add(obj, content);
 322         evas_object_event_callback_add(content,
 323                                        EVAS_CALLBACK_CHANGED_SIZE_HINTS,
 324                                        _changed_size_hints, obj);
 325         edje_object_part_swallow(wd->base, "elm.swallow.content", content);
 326      }
 327    _sizing_eval(obj);
 328 }
 329
 330 /**
 331  * Get the content of the conformant widget
 332  *
 333  * Return the content object which is set for this widget;
 334  *
 335  * @param obj The conformant object
 336  * @return The content that is being used
 337  *
 338  * @ingroup Conformant
 339  */
 340 EAPI Evas_Object *
 341 elm_conformant_content_get(const Evas_Object *obj)
 342 {
 343    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 344    Widget_Data *wd = elm_widget_data_get(obj);
 345
 346    if (!wd) return NULL;
 347    return wd->content;
 348 }
 349
 350 /**
 351  * Unset the content of the conformant widget
 352  *
 353  * Unparent and return the content object which was set for this widget;
 354  *
 355  * @param obj The conformant object
 356  * @return The content that was being used
 357  *
 358  * @ingroup Conformant
 359  */
 360 EAPI Evas_Object *
 361 elm_conformant_content_unset(Evas_Object *obj)
 362 {
 363    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 364    Widget_Data *wd = elm_widget_data_get(obj);
 365    Evas_Object *content;
 366
 367    if (!wd) return NULL;
 368    if (!wd->content) return NULL;
 369    content = wd->content;
 370    elm_widget_sub_object_del(obj, wd->content);
 371    edje_object_part_unswallow(wd->base, wd->content);
 372    wd->content = NULL;
 373    return content;
 374 }