src/lib/ecore_input_evas/ecore_input_evas.c

   1 #ifdef HAVE_CONFIG_H
   2 # include <config.h>
   3 #endif
   4
   5 #include <string.h>
   6
   7 #include "Ecore.h"
   8 #include "Ecore_Input.h"
   9
  10 #include "Ecore_Input_Evas.h"
  11 #include "ecore_input_evas_private.h"
  12
  13 int _ecore_input_evas_log_dom = -1;
  14
  15 typedef struct _Ecore_Input_Window Ecore_Input_Window;
  16 struct _Ecore_Input_Window
  17 {
  18    Evas *evas;
  19    void *window;
  20    Ecore_Event_Mouse_Move_Cb move_mouse;
  21    int ignore_event;
  22 };
  23
  24 static int _ecore_event_evas_init_count = 0;
  25 static Ecore_Event_Handler *ecore_event_evas_handlers[8];
  26 static Eina_Hash *_window_hash = NULL;
  27
  28 EAPI void
  29 ecore_event_evas_modifier_lock_update(Evas *e, unsigned int modifiers)
  30 {
  31    if (modifiers & ECORE_EVENT_MODIFIER_SHIFT)
  32      evas_key_modifier_on(e, "Shift");
  33    else evas_key_modifier_off(e, "Shift");
  34
  35    if (modifiers & ECORE_EVENT_MODIFIER_CTRL)
  36      evas_key_modifier_on(e, "Control");
  37    else evas_key_modifier_off(e, "Control");
  38
  39    if (modifiers & ECORE_EVENT_MODIFIER_ALT)
  40      evas_key_modifier_on(e, "Alt");
  41    else evas_key_modifier_off(e, "Alt");
  42
  43    if (modifiers & ECORE_EVENT_MODIFIER_WIN)
  44      {
  45         evas_key_modifier_on(e, "Super");
  46         evas_key_modifier_on(e, "Hyper");
  47      }
  48    else
  49      {
  50         evas_key_modifier_off(e, "Super");
  51         evas_key_modifier_off(e, "Hyper");
  52      }
  53
  54    if (modifiers & ECORE_EVENT_LOCK_SCROLL)
  55      evas_key_lock_on(e, "Scroll_Lock");
  56    else evas_key_lock_off(e, "Scroll_Lock");
  57
  58    if (modifiers & ECORE_EVENT_LOCK_NUM)
  59      evas_key_lock_on(e, "Num_Lock");
  60    else evas_key_lock_off(e, "Num_Lock");
  61
  62    if (modifiers & ECORE_EVENT_LOCK_CAPS)
  63      evas_key_lock_on(e, "Caps_Lock");
  64    else evas_key_lock_off(e, "Caps_Lock");
  65 }
  66
  67 EAPI void
  68 ecore_event_window_register(Ecore_Window id, void *window, Evas *evas, Ecore_Event_Mouse_Move_Cb move_mouse)
  69 {
  70    Ecore_Input_Window *w;
  71
  72    w = calloc(1, sizeof(Ecore_Input_Window));
  73    if (!w) return;
  74
  75    w->evas = evas;
  76    w->window = window;
  77    w->move_mouse = move_mouse;
  78    w->ignore_event = 0;
  79
  80    eina_hash_add(_window_hash, &id, w);
  81
  82    evas_key_modifier_add(evas, "Shift");
  83    evas_key_modifier_add(evas, "Control");
  84    evas_key_modifier_add(evas, "Alt");
  85    evas_key_modifier_add(evas, "Meta");
  86    evas_key_modifier_add(evas, "Hyper");
  87    evas_key_modifier_add(evas, "Super");
  88    evas_key_lock_add(evas, "Caps_Lock");
  89    evas_key_lock_add(evas, "Num_Lock");
  90    evas_key_lock_add(evas, "Scroll_Lock");
  91 }
  92
  93 EAPI void
  94 ecore_event_window_unregister(Ecore_Window id)
  95 {
  96    eina_hash_del(_window_hash, &id, NULL);
  97 }
  98
  99 EAPI void *
 100 ecore_event_window_match(Ecore_Window id)
 101 {
 102    Ecore_Input_Window *lookup;
 103
 104    lookup = eina_hash_find(_window_hash, &id);
 105    if (lookup) return lookup->window;
 106    return NULL;
 107 }
 108
 109 EAPI void
 110 ecore_event_window_ignore_events(Ecore_Window id, int ignore_event)
 111 {
 112    Ecore_Input_Window *lookup;
 113
 114    lookup = eina_hash_find(_window_hash, &id);
 115    if (!lookup) return;
 116    lookup->ignore_event = ignore_event;
 117 }
 118
 119 static Ecore_Input_Window*
 120 _ecore_event_window_match(Ecore_Window id)
 121 {
 122    Ecore_Input_Window *lookup;
 123
 124    lookup = eina_hash_find(_window_hash, &id);
 125    if (!lookup) return NULL;
 126    if (lookup->ignore_event) return NULL; /* Pass on event. */
 127    return lookup;
 128 }
 129
 130 static Eina_Bool
 131 _ecore_event_evas_key(Ecore_Event_Key *e, Ecore_Event_Press press)
 132 {
 133    Ecore_Input_Window *lookup;
 134
 135    lookup = _ecore_event_window_match(e->window);
 136    if (!lookup) return ECORE_CALLBACK_RENEW;
 137    ecore_event_evas_modifier_lock_update(lookup->evas, e->modifiers);
 138    if (press == ECORE_DOWN)
 139      evas_event_feed_key_down(lookup->evas, e->keyname, e->key, e->string, e->compose, e->timestamp, NULL);
 140    else
 141      evas_event_feed_key_up(lookup->evas, e->keyname, e->key, e->string, e->compose, e->timestamp, NULL);
 142    return ECORE_CALLBACK_RENEW;
 143 }
 144
 145 static Eina_Bool
 146 _ecore_event_evas_mouse_button(Ecore_Event_Mouse_Button *e, Ecore_Event_Press press)
 147 {
 148    Ecore_Input_Window *lookup;
 149    Evas_Button_Flags flags = EVAS_BUTTON_NONE;
 150
 151    lookup = _ecore_event_window_match(e->window);
 152    if (!lookup) return ECORE_CALLBACK_RENEW;
 153    if (e->double_click) flags |= EVAS_BUTTON_DOUBLE_CLICK;
 154    if (e->triple_click) flags |= EVAS_BUTTON_TRIPLE_CLICK;
 155    if (e->multi.device == 0)
 156      {
 157         ecore_event_evas_modifier_lock_update(lookup->evas, e->modifiers);
 158         if (press == ECORE_DOWN)
 159           evas_event_feed_mouse_down(lookup->evas, e->buttons, flags, e->timestamp, NULL);
 160         else
 161           evas_event_feed_mouse_up(lookup->evas, e->buttons, flags, e->timestamp, NULL);
 162      }
 163    else
 164      {
 165         if (press == ECORE_DOWN)
 166           evas_event_feed_multi_down(lookup->evas, e->multi.device, e->x, e->y, e->multi.radius, e->multi.radius_x, e->multi.radius_y, e->multi.pressure, e->multi.angle, e->multi.x, e->multi.y, flags, e->timestamp, NULL);
 167         else
 168           evas_event_feed_multi_up(lookup->evas, e->multi.device, e->x, e->y, e->multi.radius, e->multi.radius_x, e->multi.radius_y, e->multi.pressure, e->multi.angle, e->multi.x, e->multi.y, flags, e->timestamp, NULL);
 169      }
 170    return ECORE_CALLBACK_RENEW;
 171 }
 172
 173 EAPI Eina_Bool
 174 ecore_event_evas_mouse_move(void *data __UNUSED__, int type __UNUSED__, void *event)
 175 {
 176    Ecore_Event_Mouse_Move *e;
 177    Ecore_Input_Window *lookup;
 178
 179    e = event;
 180    lookup = _ecore_event_window_match(e->window);
 181    if (!lookup) return ECORE_CALLBACK_RENEW;
 182    if (e->multi.device == 0)
 183      {
 184         ecore_event_evas_modifier_lock_update(lookup->evas, e->modifiers);
 185         lookup->move_mouse(lookup->window, e->x, e->y, e->timestamp);
 186      }
 187    else
 188      {
 189         evas_event_feed_multi_move(lookup->evas, e->multi.device, e->x, e->y, e->multi.radius, e->multi.radius_x, e->multi.radius_y, e->multi.pressure, e->multi.angle, e->multi.x, e->multi.y, e->timestamp, NULL);
 190      }
 191    return ECORE_CALLBACK_RENEW;
 192 }
 193
 194 EAPI Eina_Bool
 195 ecore_event_evas_mouse_button_down(void *data __UNUSED__, int type __UNUSED__, void *event)
 196 {
 197    return _ecore_event_evas_mouse_button((Ecore_Event_Mouse_Button *)event, ECORE_DOWN);
 198 }
 199
 200 EAPI Eina_Bool
 201 ecore_event_evas_mouse_button_up(void *data __UNUSED__, int type __UNUSED__, void *event)
 202 {
 203    return _ecore_event_evas_mouse_button((Ecore_Event_Mouse_Button *)event, ECORE_UP);
 204 }
 205
 206 static Eina_Bool
 207 _ecore_event_evas_mouse_io(Ecore_Event_Mouse_IO *e, Ecore_Event_IO io)
 208 {
 209    Ecore_Input_Window *lookup;
 210
 211    lookup = _ecore_event_window_match(e->window);
 212    if (!lookup) return ECORE_CALLBACK_RENEW;
 213    ecore_event_evas_modifier_lock_update(lookup->evas, e->modifiers);
 214    switch (io)
 215      {
 216       case ECORE_IN:
 217          evas_event_feed_mouse_in(lookup->evas, e->timestamp, NULL);
 218          break;
 219       case ECORE_OUT:
 220          evas_event_feed_mouse_out(lookup->evas, e->timestamp, NULL);
 221          break;
 222       default:
 223          break;
 224      }
 225
 226    lookup->move_mouse(lookup->window, e->x, e->y, e->timestamp);
 227    return ECORE_CALLBACK_RENEW;
 228 }
 229
 230 EAPI Eina_Bool
 231 ecore_event_evas_key_down(void *data __UNUSED__, int type __UNUSED__, void *event)
 232 {
 233    return _ecore_event_evas_key((Ecore_Event_Key *)event, ECORE_DOWN);
 234 }
 235
 236 EAPI Eina_Bool
 237 ecore_event_evas_key_up(void *data __UNUSED__, int type __UNUSED__, void *event)
 238 {
 239    return _ecore_event_evas_key((Ecore_Event_Key *)event, ECORE_UP);
 240 }
 241
 242 EAPI Eina_Bool
 243 ecore_event_evas_mouse_wheel(void *data __UNUSED__, int type __UNUSED__, void *event)
 244 {
 245    Ecore_Event_Mouse_Wheel *e;
 246    Ecore_Input_Window *lookup;
 247
 248    e = event;
 249    lookup = _ecore_event_window_match(e->window);
 250    if (!lookup) return ECORE_CALLBACK_RENEW;
 251    ecore_event_evas_modifier_lock_update(lookup->evas, e->modifiers);
 252    evas_event_feed_mouse_wheel(lookup->evas, e->direction, e->z, e->timestamp, NULL);
 253    return ECORE_CALLBACK_RENEW;
 254 }
 255
 256 EAPI Eina_Bool
 257 ecore_event_evas_mouse_in(void *data __UNUSED__, int type __UNUSED__, void *event)
 258 {
 259    return _ecore_event_evas_mouse_io((Ecore_Event_Mouse_IO *)event, ECORE_IN);
 260 }
 261
 262 EAPI Eina_Bool
 263 ecore_event_evas_mouse_out(void *data __UNUSED__, int type __UNUSED__, void *event)
 264 {
 265    return _ecore_event_evas_mouse_io((Ecore_Event_Mouse_IO *)event, ECORE_OUT);
 266 }
 267
 268 EAPI int
 269 ecore_event_evas_init(void)
 270 {
 271    if (++_ecore_event_evas_init_count !=  1)
 272      return _ecore_event_evas_init_count;
 273
 274    _ecore_input_evas_log_dom = eina_log_domain_register("EcoreInputEvas",  ECORE_INPUT_EVAS_DEFAULT_LOG_COLOR);
 275    if (_ecore_input_evas_log_dom < 0)
 276      {
 277         EINA_LOG_ERR("Impossible to create a log domain for the ecore input evas_module.");
 278         return --_ecore_event_evas_init_count;
 279      }
 280
 281    if (!ecore_init())
 282      {
 283         return --_ecore_event_evas_init_count;
 284      }
 285
 286    if (!ecore_event_init())
 287      {
 288         goto shutdown_ecore;
 289      }
 290
 291    ecore_event_evas_handlers[0] = ecore_event_handler_add(ECORE_EVENT_KEY_DOWN,
 292                                                           ecore_event_evas_key_down,
 293                                                           NULL);
 294    ecore_event_evas_handlers[1] = ecore_event_handler_add(ECORE_EVENT_KEY_UP,
 295                                                           ecore_event_evas_key_up,
 296                                                           NULL);
 297    ecore_event_evas_handlers[2] = ecore_event_handler_add(ECORE_EVENT_MOUSE_BUTTON_DOWN,
 298                                                           ecore_event_evas_mouse_button_down,
 299                                                           NULL);
 300    ecore_event_evas_handlers[3] = ecore_event_handler_add(ECORE_EVENT_MOUSE_BUTTON_UP,
 301                                                           ecore_event_evas_mouse_button_up,
 302                                                           NULL);
 303    ecore_event_evas_handlers[4] = ecore_event_handler_add(ECORE_EVENT_MOUSE_MOVE,
 304                                                           ecore_event_evas_mouse_move,
 305                                                           NULL);
 306    ecore_event_evas_handlers[5] = ecore_event_handler_add(ECORE_EVENT_MOUSE_WHEEL,
 307                                                           ecore_event_evas_mouse_wheel,
 308                                                           NULL);
 309    ecore_event_evas_handlers[6] = ecore_event_handler_add(ECORE_EVENT_MOUSE_IN,
 310                                                           ecore_event_evas_mouse_in,
 311                                                           NULL);
 312    ecore_event_evas_handlers[7] = ecore_event_handler_add(ECORE_EVENT_MOUSE_OUT,
 313                                                           ecore_event_evas_mouse_out,
 314                                                           NULL);
 315
 316    _window_hash = eina_hash_pointer_new(free);
 317
 318    return _ecore_event_evas_init_count;
 319
 320    shutdown_ecore:
 321    ecore_shutdown();
 322
 323    return --_ecore_event_evas_init_count;
 324 }
 325
 326 EAPI int
 327 ecore_event_evas_shutdown(void)
 328 {
 329    size_t i;
 330
 331    if (--_ecore_event_evas_init_count != 0)
 332      return _ecore_event_evas_init_count;
 333
 334    eina_hash_free(_window_hash);
 335    _window_hash = NULL;
 336    for (i = 0; i < sizeof(ecore_event_evas_handlers) / sizeof(Ecore_Event_Handler *); i++)
 337      {
 338         ecore_event_handler_del(ecore_event_evas_handlers[i]);
 339         ecore_event_evas_handlers[i] = NULL;
 340      }
 341
 342    ecore_event_shutdown();
 343    ecore_shutdown();
 344
 345    eina_log_domain_unregister(_ecore_input_evas_log_dom);
 346    _ecore_input_evas_log_dom = -1;
 347
 348    return _ecore_event_evas_init_count;
 349 }