forked from enlightenment/efl
509 lines
14 KiB
C
509 lines
14 KiB
C
#include "evas_common_private.h"
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#include "evas_private.h"
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/* WARNING: This API is not used across EFL, hard to test! */
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#ifdef DEBUG_UNTESTED_
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// booh
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#define SAFETY_CHECK(obj, klass, ...) \
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do { MAGIC_CHECK(dev, Evas_Device, 1); \
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return __VA_ARGS__; \
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MAGIC_CHECK_END(); \
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} while (0)
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#else
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#define SAFETY_CHECK(obj, klass, ...) \
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do { if (!obj) return __VA_ARGS__; } while (0)
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#endif
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/* FIXME: Ideally no work besides calling the Efl_Input_Device API
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* should be done here. But unfortunately, some knowledge of Evas is required
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* here (callbacks and canvas private data).
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*/
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static Eina_Bool
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_is_pointer(Evas_Device_Class clas)
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{
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if (clas == EVAS_DEVICE_CLASS_MOUSE ||
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clas == EVAS_DEVICE_CLASS_TOUCH ||
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clas == EVAS_DEVICE_CLASS_PEN ||
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clas == EVAS_DEVICE_CLASS_POINTER ||
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clas == EVAS_DEVICE_CLASS_WAND)
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return EINA_TRUE;
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return EINA_FALSE;
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}
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static Evas_Device *
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_new_default_device_find(Evas_Public_Data *e, Evas_Device *old_dev)
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{
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Eina_List *l;
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Evas_Device *dev, *def, *old_parent;
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Efl_Input_Device_Type old_class;
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if (e->cleanup) return NULL;
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old_class = efl_input_device_type_get(old_dev);
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old_parent = efl_parent_get(old_dev);
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def = NULL;
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EINA_LIST_FOREACH(e->devices, l, dev)
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{
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if (efl_input_device_type_get(dev) != old_class)
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continue;
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def = dev;
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//Prefer devices with the same parent.
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if (efl_parent_get(dev) == old_parent)
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break;
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}
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if (!def)
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{
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const char *class_str;
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if (old_class == EFL_INPUT_DEVICE_TYPE_SEAT)
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class_str = "seat";
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else if (old_class == EFL_INPUT_DEVICE_TYPE_KEYBOARD)
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class_str = "keyboard";
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else
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class_str = "mouse";
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WRN("Could not find a default %s device.", class_str);
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}
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return def;
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}
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static void
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_del_cb(void *data, const Efl_Event *ev)
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{
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Efl_Input_Device_Type devtype;
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Evas_Public_Data *e = data;
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e->devices_modified = EINA_TRUE;
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// can not be done in std destructor
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e->devices = eina_list_remove(e->devices, ev->object);
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if (e->default_seat == ev->object)
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e->default_seat = _new_default_device_find(e, ev->object);
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else if (e->default_mouse == ev->object)
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e->default_mouse = _new_default_device_find(e, ev->object);
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else if (e->default_keyboard == ev->object)
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e->default_keyboard = _new_default_device_find(e, ev->object);
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devtype = efl_input_device_type_get(ev->object);
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if ((devtype == EFL_INPUT_DEVICE_TYPE_SEAT) && (!e->default_seat))
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{
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Evas_Pointer_Data *pdata = _evas_pointer_data_by_device_get(e, ev->object);
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if (pdata)
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{
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Evas_Pointer_Seat *pseat;
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EINA_INLIST_FOREACH(e->seats, pseat)
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{
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/* store to dummy seat data for when seat reattaches */
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if (pseat->seat) continue;
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pseat->x = pdata->seat->x;
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pseat->y = pdata->seat->y;
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pseat->inside = pdata->seat->inside;
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break;
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}
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}
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}
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if (devtype == EFL_INPUT_DEVICE_TYPE_MOUSE)
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{
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_evas_pointer_data_remove(e, ev->object, EINA_TRUE);
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}
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eina_hash_del_by_key(e->locks.masks, &ev->object);
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eina_hash_del_by_key(e->modifiers.masks, &ev->object);
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efl_event_callback_call(e->evas, EFL_CANVAS_SCENE_EVENT_DEVICE_REMOVED,
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ev->object);
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}
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EOLIAN Efl_Input_Device *
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_evas_canvas_efl_canvas_scene_device_get(Evas *eo_e EINA_UNUSED, Evas_Public_Data *e, const char *name)
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{
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const char *dev_name;
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Evas_Device *dev;
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Eina_List *l;
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if (!name) return NULL;
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EINA_LIST_FOREACH(e->devices, l, dev)
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{
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dev_name = efl_name_get(dev);
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if (eina_streq(dev_name, name))
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return dev;
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}
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return NULL;
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}
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EVAS_API Evas_Device *
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evas_device_get(Evas *eo_e, const char *name)
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{
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return efl_canvas_scene_device_get(eo_e, name);
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}
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EOLIAN Efl_Input_Device *
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_evas_canvas_efl_canvas_scene_seat_default_get(Evas *eo_e EINA_UNUSED, Evas_Public_Data *e)
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{
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return e->default_seat;
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}
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EOLIAN Efl_Input_Device *
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_evas_canvas_efl_canvas_scene_seat_get(Evas *eo_e EINA_UNUSED, Evas_Public_Data *e, unsigned int id)
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{
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Evas_Device *dev;
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Eina_List *l;
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EINA_LIST_FOREACH(e->devices, l, dev)
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{
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if (efl_input_device_type_get(dev) != EFL_INPUT_DEVICE_TYPE_SEAT)
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continue;
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if (efl_input_device_seat_id_get(dev) == id)
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return dev;
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}
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return NULL;
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}
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EVAS_API Evas_Device *
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evas_device_get_by_seat_id(Evas *eo_e, unsigned int id)
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{
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return efl_canvas_scene_seat_get(eo_e, id);
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}
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EVAS_API Evas_Device *
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evas_device_add(Evas *eo_e)
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{
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return evas_device_add_full(eo_e, NULL, NULL, NULL, NULL,
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EVAS_DEVICE_CLASS_NONE,
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EVAS_DEVICE_SUBCLASS_NONE);
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}
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EVAS_API Evas_Device *
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evas_device_add_full(Evas *eo_e, const char *name, const char *desc,
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Evas_Device *parent_dev, Evas_Device *emulation_dev,
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Evas_Device_Class clas, Evas_Device_Subclass sub_clas)
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{
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Evas_Public_Data *e;
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Evas_Device *dev;
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SAFETY_CHECK(eo_e, EVAS_CANVAS_CLASS, NULL);
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dev = efl_add_ref(EFL_INPUT_DEVICE_CLASS, parent_dev ?: eo_e,
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efl_name_set(efl_added, name),
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efl_comment_set(efl_added, desc),
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efl_input_device_type_set(efl_added, (Efl_Input_Device_Type)clas),
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efl_input_device_source_set(efl_added, emulation_dev),
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efl_input_device_evas_set(efl_added, eo_e),
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efl_input_device_subclass_set(efl_added, sub_clas));
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e = efl_data_scope_get(eo_e, EVAS_CANVAS_CLASS);
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/* This is the case when the user is using wayland backend,
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since evas itself will not create the devices we must set them here. */
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if (!e->default_seat && clas == EVAS_DEVICE_CLASS_SEAT)
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e->default_seat = dev;
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else if (!e->default_keyboard && clas == EVAS_DEVICE_CLASS_KEYBOARD)
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e->default_keyboard = dev;
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else if (_is_pointer(clas))
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{
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Evas_Pointer_Data *pdata = _evas_pointer_data_add(e, dev);
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if (!pdata)
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{
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efl_del(dev);
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return NULL;
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}
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if (e->default_mouse)
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{
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if ((clas == EVAS_DEVICE_CLASS_MOUSE) &&
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(parent_dev == e->default_seat) &&
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(evas_device_class_get(e->default_mouse) != EVAS_DEVICE_CLASS_MOUSE))
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{
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Eina_Bool inside = pdata->seat->inside;
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if (inside)
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evas_event_feed_mouse_out(eo_e, 0, NULL);
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e->default_mouse = dev;
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if (inside)
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evas_event_feed_mouse_in(eo_e, 0, NULL);
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}
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}
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else
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{
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Evas_Pointer_Seat *pseat;
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EINA_INLIST_FOREACH(e->seats, pseat)
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if (!pseat->pointers) break;
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e->default_mouse = dev;
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if (pseat)
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{
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if (pseat->inside)
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evas_event_feed_mouse_in(eo_e, 0, NULL);
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evas_event_feed_mouse_move(eo_e, pseat->x, pseat->y, 0, NULL);
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}
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}
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}
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e->devices = eina_list_append(e->devices, dev);
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efl_event_callback_add(dev, EFL_EVENT_DEL, _del_cb, e);
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efl_event_callback_call(eo_e, EFL_CANVAS_SCENE_EVENT_DEVICE_ADDED, dev);
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// Keeping this event to do not break things...
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evas_event_callback_call(eo_e, EVAS_CALLBACK_DEVICE_CHANGED, dev);
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if (e->pending_default_focus_obj && (e->default_seat == dev))
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{
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Eo *eo_obj = e->pending_default_focus_obj;
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e->pending_default_focus_obj = NULL;
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evas_object_focus_set(eo_obj, 1);
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}
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return dev;
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}
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EVAS_API void
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evas_device_del(Evas_Device *dev)
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{
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if (!efl_invalidated_get(dev))
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efl_del(dev);
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efl_unref(dev);
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}
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EVAS_API void
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evas_device_push(Evas *eo_e, Evas_Device *dev)
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{
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Evas_Public_Data *e = efl_data_scope_safe_get(eo_e, EVAS_CANVAS_CLASS);
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if (!e) return;
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if (!e->cur_device)
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{
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e->cur_device = eina_array_new(4);
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if (!e->cur_device) return;
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}
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efl_ref(dev);
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eina_array_push(e->cur_device, dev);
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}
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EVAS_API void
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evas_device_pop(Evas *eo_e)
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{
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Evas_Device *dev;
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Evas_Public_Data *e = efl_data_scope_safe_get(eo_e, EVAS_CANVAS_CLASS);
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if (!e) return ;
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dev = eina_array_pop(e->cur_device);
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if (dev) efl_unref(dev);
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}
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EVAS_API const Eina_List *
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evas_device_list(Evas *eo_e, const Evas_Device *dev)
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{
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if (dev) return efl_input_device_children_get(dev);
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Evas_Public_Data *e = efl_data_scope_safe_get(eo_e, EVAS_CANVAS_CLASS);
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return e ? e->devices : NULL;
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}
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EVAS_API void
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evas_device_name_set(Evas_Device *dev, const char *name)
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{
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efl_name_set(dev, name);
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evas_event_callback_call(efl_input_device_evas_get(dev), EVAS_CALLBACK_DEVICE_CHANGED, dev);
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}
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EVAS_API const char *
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evas_device_name_get(const Evas_Device *dev)
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{
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return efl_name_get(dev);
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}
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EVAS_API void
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evas_device_description_set(Evas_Device *dev, const char *desc)
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{
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efl_comment_set(dev, desc);
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evas_event_callback_call(efl_input_device_evas_get(dev), EVAS_CALLBACK_DEVICE_CHANGED, dev);
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}
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EVAS_API const char *
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evas_device_description_get(const Evas_Device *dev)
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{
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return efl_comment_get(dev);
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}
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EVAS_API void
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evas_device_parent_set(Evas_Device *dev EINA_UNUSED, Evas_Device *parent EINA_UNUSED)
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{
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// Note: This function should be deprecated. parent_set doesn't make sense
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// unless the parent is a seat device. Parent shouldn't be changed after
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// creation.
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ERR("It is not advised and possible anymore to changed the parent of an Evas_Device.");
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}
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EVAS_API const Evas_Device *
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evas_device_parent_get(const Evas_Device *dev)
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{
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Eo *parent = efl_parent_get(dev);
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if (!efl_isa(parent, EFL_INPUT_DEVICE_CLASS))
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return NULL;
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return parent;
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}
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EVAS_API void
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evas_device_class_set(Evas_Device *dev, Evas_Device_Class clas)
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{
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EINA_SAFETY_ON_TRUE_RETURN(efl_finalized_get(dev));
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Evas_Public_Data *edata = efl_data_scope_safe_get(efl_input_device_evas_get(dev), EVAS_CANVAS_CLASS);
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Efl_Input_Device_Type klass = efl_input_device_type_get(dev);
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if (!edata) return;
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if ((Evas_Device_Class)klass == clas)
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return;
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if (_is_pointer((Evas_Device_Class)klass))
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_evas_pointer_data_remove(edata, dev, EINA_FALSE);
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efl_input_device_type_set(dev, (Efl_Input_Device_Type)clas);
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if (_is_pointer(clas))
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_evas_pointer_data_add(edata, dev);
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evas_event_callback_call(efl_input_device_evas_get(dev), EVAS_CALLBACK_DEVICE_CHANGED, dev);
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}
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EVAS_API Evas_Device_Class
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evas_device_class_get(const Evas_Device *dev)
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{
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return (Evas_Device_Class)efl_input_device_type_get(dev);
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}
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EVAS_API void
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evas_device_subclass_set(Evas_Device *dev, Evas_Device_Subclass clas)
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{
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efl_input_device_subclass_set(dev, clas);
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evas_event_callback_call(efl_input_device_evas_get(dev), EVAS_CALLBACK_DEVICE_CHANGED, dev);
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}
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EVAS_API Evas_Device_Subclass
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evas_device_subclass_get(const Evas_Device *dev)
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{
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return efl_input_device_subclass_get(dev);
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}
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EVAS_API void
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evas_device_emulation_source_set(Evas_Device *dev, Evas_Device *src)
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{
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efl_input_device_source_set(dev, src);
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evas_event_callback_call(efl_input_device_evas_get(dev), EVAS_CALLBACK_DEVICE_CHANGED, dev);
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}
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EVAS_API const Evas_Device *
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evas_device_emulation_source_get(const Evas_Device *dev)
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{
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return efl_input_device_source_get(dev);
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}
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EVAS_API void
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evas_device_seat_id_set(Evas_Device *dev, unsigned int id)
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{
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efl_input_device_seat_id_set(dev, id);
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}
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EVAS_API unsigned int
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evas_device_seat_id_get(const Evas_Device *dev)
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{
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return efl_input_device_seat_id_get(dev);
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}
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void
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_evas_device_cleanup(Evas *eo_e)
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{
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Eina_List *cpy, *deleted = NULL;
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Evas_Device *dev;
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Evas_Public_Data *e = efl_data_scope_get(eo_e, EVAS_CANVAS_CLASS);
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if (e->cur_device)
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{
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while ((dev = eina_array_pop(e->cur_device)))
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efl_unref(dev);
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eina_array_free(e->cur_device);
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e->cur_device = NULL;
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}
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/* If the device is deleted, _del_cb will remove the device
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* from the devices list. Ensure we delete them only once, and only if this
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* Evas is the owner, otherwise we would kill external references (eg.
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* from efl_duplicate()). */
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again:
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e->devices_modified = EINA_FALSE;
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cpy = eina_list_clone(e->devices);
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EINA_LIST_FREE(cpy, dev)
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{
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if (!eina_list_data_find(deleted, dev) && (efl_parent_get(dev) == eo_e))
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{
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evas_device_del(dev);
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deleted = eina_list_append(deleted, dev);
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if (e->devices_modified)
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{
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eina_list_free(cpy);
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goto again;
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}
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}
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}
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eina_list_free(deleted);
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/* Not all devices were deleted. The user probably will unref them later.
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Since Evas will be deleted, remove the del callback from them and
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tell the user that the device was removed.
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*/
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EINA_LIST_FREE(e->devices, dev)
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{
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efl_event_callback_call(e->evas, EFL_CANVAS_SCENE_EVENT_DEVICE_REMOVED, dev);
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efl_event_callback_del(dev, EFL_EVENT_DEL, _del_cb, e);
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}
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}
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Evas_Device *
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_evas_device_top_get(const Evas *eo_e)
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{
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int num;
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Evas_Public_Data *e = efl_data_scope_get(eo_e, EVAS_CANVAS_CLASS);
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if (!e->cur_device) return NULL;
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num = eina_array_count(e->cur_device);
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if (num < 1) return NULL;
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return eina_array_data_get(e->cur_device, num - 1);
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}
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EOLIAN Eina_Bool
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_evas_canvas_efl_canvas_scene_pointer_position_get(const Eo *eo_e, Evas_Public_Data *e, Efl_Input_Device *seat, Eina_Position2D *pos)
|
|
{
|
|
Eina_Iterator *it;
|
|
Eo *child;
|
|
|
|
if (!pos) return EINA_FALSE;
|
|
|
|
*pos = EINA_POSITION2D(0, 0);
|
|
if (!e->default_seat) return EINA_FALSE;
|
|
if (!seat)
|
|
{
|
|
evas_pointer_canvas_xy_get(eo_e, &pos->x, &pos->y);
|
|
return EINA_TRUE;
|
|
}
|
|
it = efl_input_device_children_iterate(seat);
|
|
EINA_SAFETY_ON_NULL_RETURN_VAL(it, EINA_FALSE);
|
|
|
|
EINA_ITERATOR_FOREACH(it, child)
|
|
if (_is_pointer((Evas_Device_Class)efl_input_device_type_get(child)))
|
|
break;
|
|
if (child)
|
|
*pos = efl_input_pointer_position_get(child);
|
|
|
|
eina_iterator_free(it);
|
|
return !!child;
|
|
}
|