src/lib/ecore_input_evas/ecore_input_evas.c

   1 /*
   2  * vim:ts=8:sw=3:sts=8:noexpandtab:cino=>5n-3f0^-2{2
   3  */
   4
   5 #ifdef HAVE_CONFIG_H
   6 # include <config.h>
   7 #endif
   8
   9 #include <string.h>
  10
  11 #include "Ecore.h"
  12 #include "Ecore_Input.h"
  13
  14 #include "Ecore_Input_Evas.h"
  15 #include "ecore_input_evas_private.h"
  16
  17 int _ecore_input_evas_log_dom = -1;
  18
  19 typedef struct _Ecore_Input_Window Ecore_Input_Window;
  20 struct _Ecore_Input_Window
  21 {
  22    Evas *evas;
  23    void *window;
  24    Ecore_Event_Mouse_Move_Cb move_mouse;
  25    int ignore_event;
  26 };
  27
  28 static int _ecore_event_evas_init_count = 0;
  29 static Ecore_Event_Handler *ecore_event_evas_handlers[8];
  30 static Eina_Hash *_window_hash = NULL;
  31
  32 EAPI void
  33 ecore_event_evas_modifier_lock_update(Evas *e, unsigned int modifiers)
  34 {
  35    if (modifiers & ECORE_EVENT_MODIFIER_SHIFT)
  36      evas_key_modifier_on(e, "Shift");
  37    else evas_key_modifier_off(e, "Shift");
  38
  39    if (modifiers & ECORE_EVENT_MODIFIER_CTRL)
  40      evas_key_modifier_on(e, "Control");
  41    else evas_key_modifier_off(e, "Control");
  42
  43    if (modifiers & ECORE_EVENT_MODIFIER_ALT)
  44      evas_key_modifier_on(e, "Alt");
  45    else evas_key_modifier_off(e, "Alt");
  46
  47    if (modifiers & ECORE_EVENT_MODIFIER_WIN)
  48      {
  49         evas_key_modifier_on(e, "Super");
  50         evas_key_modifier_on(e, "Hyper");
  51      }
  52    else
  53      {
  54         evas_key_modifier_off(e, "Super");
  55         evas_key_modifier_off(e, "Hyper");
  56      }
  57
  58    if (modifiers & ECORE_EVENT_LOCK_SCROLL)
  59      evas_key_lock_on(e, "Scroll_Lock");
  60    else evas_key_lock_off(e, "Scroll_Lock");
  61
  62    if (modifiers & ECORE_EVENT_LOCK_NUM)
  63      evas_key_lock_on(e, "Num_Lock");
  64    else evas_key_lock_off(e, "Num_Lock");
  65
  66    if (modifiers & ECORE_EVENT_LOCK_CAPS)
  67      evas_key_lock_on(e, "Caps_Lock");
  68    else evas_key_lock_off(e, "Caps_Lock");
  69 }
  70
  71 EAPI void
  72 ecore_event_window_register(Ecore_Window id, void *window, Evas *evas, Ecore_Event_Mouse_Move_Cb move_mouse)
  73 {
  74    Ecore_Input_Window *w;
  75
  76    w = calloc(1, sizeof(Ecore_Input_Window));
  77    if (!w) return;
  78
  79    w->evas = evas;
  80    w->window = window;
  81    w->move_mouse = move_mouse;
  82    w->ignore_event = 0;
  83
  84    eina_hash_add(_window_hash, &id, w);
  85
  86    evas_key_modifier_add(evas, "Shift");
  87    evas_key_modifier_add(evas, "Control");
  88    evas_key_modifier_add(evas, "Alt");
  89    evas_key_modifier_add(evas, "Meta");
  90    evas_key_modifier_add(evas, "Hyper");
  91    evas_key_modifier_add(evas, "Super");
  92    evas_key_lock_add(evas, "Caps_Lock");
  93    evas_key_lock_add(evas, "Num_Lock");
  94    evas_key_lock_add(evas, "Scroll_Lock");
  95 }
  96
  97 EAPI void
  98 ecore_event_window_unregister(Ecore_Window id)
  99 {
 100    eina_hash_del(_window_hash, &id, NULL);
 101 }
 102
 103 EAPI void *
 104 ecore_event_window_match(Ecore_Window id)
 105 {
 106    Ecore_Input_Window *lookup;
 107
 108    lookup = eina_hash_find(_window_hash, &id);
 109    if (lookup) return lookup->window;
 110    return NULL;
 111 }
 112
 113 EAPI void
 114 ecore_event_window_ignore_events(Ecore_Window id, int ignore_event)
 115 {
 116    Ecore_Input_Window *lookup;
 117
 118    lookup = eina_hash_find(_window_hash, &id);
 119    if (!lookup) return;
 120    lookup->ignore_event = ignore_event;
 121 }
 122
 123 static Ecore_Input_Window*
 124 _ecore_event_window_match(Ecore_Window id)
 125 {
 126    Ecore_Input_Window *lookup;
 127
 128    lookup = eina_hash_find(_window_hash, &id);
 129    if (!lookup) return NULL;
 130    if (lookup->ignore_event) return NULL; /* Pass on event. */
 131    return lookup;
 132 }
 133
 134 static int
 135 _ecore_event_evas_key(Ecore_Event_Key *e, Ecore_Event_Press press)
 136 {
 137    Ecore_Input_Window *lookup;
 138
 139    lookup = _ecore_event_window_match(e->window);
 140    if (!lookup) return 1;
 141    ecore_event_evas_modifier_lock_update(lookup->evas, e->modifiers);
 142    if (press == ECORE_DOWN)
 143      evas_event_feed_key_down(lookup->evas, e->keyname, e->key, e->string, e->compose, e->timestamp, NULL);
 144    else
 145      evas_event_feed_key_up(lookup->evas, e->keyname, e->key, e->string, e->compose, e->timestamp, NULL);
 146    return 1;
 147 }
 148
 149 static int
 150 _ecore_event_evas_mouse_button(Ecore_Event_Mouse_Button *e, Ecore_Event_Press press)
 151 {
 152    Ecore_Input_Window *lookup;
 153    Evas_Button_Flags flags = EVAS_BUTTON_NONE;
 154
 155    lookup = _ecore_event_window_match(e->window);
 156    if (!lookup) return 1;
 157    if (e->double_click) flags |= EVAS_BUTTON_DOUBLE_CLICK;
 158    if (e->triple_click) flags |= EVAS_BUTTON_TRIPLE_CLICK;
 159    if (e->multi.device == 0)
 160      {
 161         ecore_event_evas_modifier_lock_update(lookup->evas, e->modifiers);
 162         if (press == ECORE_DOWN)
 163           evas_event_feed_mouse_down(lookup->evas, e->buttons, flags, e->timestamp, NULL);
 164         else
 165           evas_event_feed_mouse_up(lookup->evas, e->buttons, flags, e->timestamp, NULL);
 166      }
 167    else
 168      {
 169         if (press == ECORE_DOWN)
 170           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);
 171         else
 172           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);
 173      }
 174    return 1;
 175 }
 176
 177 EAPI int
 178 ecore_event_evas_mouse_move(void *data __UNUSED__, int type __UNUSED__, void *event)
 179 {
 180    Ecore_Event_Mouse_Move *e;
 181    Ecore_Input_Window *lookup;
 182
 183    e = event;
 184    lookup = _ecore_event_window_match(e->window);
 185    if (!lookup) return 1;
 186    if (e->multi.device == 0)
 187      {
 188         ecore_event_evas_modifier_lock_update(lookup->evas, e->modifiers);
 189         lookup->move_mouse(lookup->window, e->x, e->y, e->timestamp);
 190      }
 191    else
 192      {
 193         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);
 194      }
 195    return 1;
 196 }
 197
 198 EAPI int
 199 ecore_event_evas_mouse_button_down(void *data __UNUSED__, int type __UNUSED__, void *event)
 200 {
 201    return _ecore_event_evas_mouse_button((Ecore_Event_Mouse_Button *)event, ECORE_DOWN);
 202 }
 203
 204 EAPI int
 205 ecore_event_evas_mouse_button_up(void *data __UNUSED__, int type __UNUSED__, void *event)
 206 {
 207    return _ecore_event_evas_mouse_button((Ecore_Event_Mouse_Button *)event, ECORE_UP);
 208 }
 209
 210 static int
 211 _ecore_event_evas_mouse_io(Ecore_Event_Mouse_IO *e, Ecore_Event_IO io)
 212 {
 213    Ecore_Input_Window *lookup;
 214
 215    lookup = _ecore_event_window_match(e->window);
 216    if (!lookup) return 1;
 217    ecore_event_evas_modifier_lock_update(lookup->evas, e->modifiers);
 218    switch (io)
 219      {
 220       case ECORE_IN:
 221          evas_event_feed_mouse_in(lookup->evas, e->timestamp, NULL);
 222          break;
 223       case ECORE_OUT:
 224          evas_event_feed_mouse_out(lookup->evas, e->timestamp, NULL);
 225          break;
 226       default:
 227          break;
 228      }
 229
 230    lookup->move_mouse(lookup->window, e->x, e->y, e->timestamp);
 231    return 1;
 232 }
 233
 234 EAPI int
 235 ecore_event_evas_key_down(void *data __UNUSED__, int type __UNUSED__, void *event)
 236 {
 237    return _ecore_event_evas_key((Ecore_Event_Key *)event, ECORE_DOWN);
 238 }
 239
 240 EAPI int
 241 ecore_event_evas_key_up(void *data __UNUSED__, int type __UNUSED__, void *event)
 242 {
 243    return _ecore_event_evas_key((Ecore_Event_Key *)event, ECORE_UP);
 244 }
 245
 246 EAPI int
 247 ecore_event_evas_mouse_wheel(void *data __UNUSED__, int type __UNUSED__, void *event)
 248 {
 249    Ecore_Event_Mouse_Wheel *e;
 250    Ecore_Input_Window *lookup;
 251
 252    e = event;
 253    lookup = _ecore_event_window_match(e->window);
 254    if (!lookup) return 1;
 255    ecore_event_evas_modifier_lock_update(lookup->evas, e->modifiers);
 256    evas_event_feed_mouse_wheel(lookup->evas, e->direction, e->z, e->timestamp, NULL);
 257    return 1;
 258 }
 259
 260 EAPI int
 261 ecore_event_evas_mouse_in(void *data __UNUSED__, int type __UNUSED__, void *event)
 262 {
 263    return _ecore_event_evas_mouse_io((Ecore_Event_Mouse_IO *)event, ECORE_IN);
 264 }
 265
 266 EAPI int
 267 ecore_event_evas_mouse_out(void *data __UNUSED__, int type __UNUSED__, void *event)
 268 {
 269    return _ecore_event_evas_mouse_io((Ecore_Event_Mouse_IO *)event, ECORE_OUT);
 270 }
 271
 272 EAPI int
 273 ecore_event_evas_init(void)
 274 {
 275    if (++_ecore_event_evas_init_count !=  1)
 276      return _ecore_event_evas_init_count;
 277
 278    _ecore_input_evas_log_dom = eina_log_domain_register("EcoreInputEvas",  ECORE_INPUT_EVAS_DEFAULT_LOG_COLOR);
 279    if (_ecore_input_evas_log_dom < 0)
 280      {
 281         EINA_LOG_ERR("Impossible to create a log domain for the ecore input evas_module.");
 282         return --_ecore_event_evas_init_count;
 283      }
 284
 285    if (!ecore_init())
 286      {
 287         return --_ecore_event_evas_init_count;
 288      }
 289
 290    if (!ecore_event_init())
 291      {
 292         goto shutdown_ecore;
 293      }
 294
 295    ecore_event_evas_handlers[0] = ecore_event_handler_add(ECORE_EVENT_KEY_DOWN,
 296                                                           ecore_event_evas_key_down,
 297                                                           NULL);
 298    ecore_event_evas_handlers[1] = ecore_event_handler_add(ECORE_EVENT_KEY_UP,
 299                                                           ecore_event_evas_key_up,
 300                                                           NULL);
 301    ecore_event_evas_handlers[2] = ecore_event_handler_add(ECORE_EVENT_MOUSE_BUTTON_DOWN,
 302                                                           ecore_event_evas_mouse_button_down,
 303                                                           NULL);
 304    ecore_event_evas_handlers[3] = ecore_event_handler_add(ECORE_EVENT_MOUSE_BUTTON_UP,
 305                                                           ecore_event_evas_mouse_button_up,
 306                                                           NULL);
 307    ecore_event_evas_handlers[4] = ecore_event_handler_add(ECORE_EVENT_MOUSE_MOVE,
 308                                                           ecore_event_evas_mouse_move,
 309                                                           NULL);
 310    ecore_event_evas_handlers[5] = ecore_event_handler_add(ECORE_EVENT_MOUSE_WHEEL,
 311                                                           ecore_event_evas_mouse_wheel,
 312                                                           NULL);
 313    ecore_event_evas_handlers[6] = ecore_event_handler_add(ECORE_EVENT_MOUSE_IN,
 314                                                           ecore_event_evas_mouse_in,
 315                                                           NULL);
 316    ecore_event_evas_handlers[7] = ecore_event_handler_add(ECORE_EVENT_MOUSE_OUT,
 317                                                           ecore_event_evas_mouse_out,
 318                                                           NULL);
 319
 320    _window_hash = eina_hash_pointer_new(free);
 321
 322    return _ecore_event_evas_init_count;
 323
 324    shutdown_ecore:
 325    ecore_shutdown();
 326
 327    return --_ecore_event_evas_init_count;
 328 }
 329
 330 EAPI int
 331 ecore_event_evas_shutdown(void)
 332 {
 333    size_t i;
 334
 335    if (--_ecore_event_evas_init_count != 0)
 336      return _ecore_event_evas_init_count;
 337
 338    eina_hash_free(_window_hash);
 339    _window_hash = NULL;
 340    for (i = 0; i < sizeof(ecore_event_evas_handlers) / sizeof(Ecore_Event_Handler *); i++)
 341      {
 342         ecore_event_handler_del(ecore_event_evas_handlers[i]);
 343         ecore_event_evas_handlers[i] = NULL;
 344      }
 345
 346    ecore_event_shutdown();
 347    ecore_shutdown();
 348
 349    eina_log_domain_unregister(_ecore_input_evas_log_dom);
 350    _ecore_input_evas_log_dom = -1;
 351
 352    return _ecore_event_evas_init_count;
 353 }