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enlightenment/src/bin/e_dnd.c

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#include "e.h"
/* local subsystem functions */
static void _e_drag_move(E_Drag *drag, int x, int y);
static void _e_drag_coords_update(const E_Drop_Handler *h, int *dx, int *dy);
static Ecore_X_Window _e_drag_win_get(const E_Drop_Handler *h, int xdnd);
static int _e_drag_win_matches(E_Drop_Handler *h, Ecore_X_Window win, int xdnd);
static void _e_drag_win_show(E_Drop_Handler *h);
static void _e_drag_win_hide(E_Drop_Handler *h);
static int _e_drag_update(Ecore_X_Window root, int x, int y, Ecore_X_Atom action);
static void _e_drag_end(int x, int y);
static void _e_drag_xdnd_end(Ecore_X_Window root, int x, int y);
static void _e_drag_free(E_Drag *drag);
static Eina_Bool _e_dnd_cb_key_down(void *data, int type, void *event);
static Eina_Bool _e_dnd_cb_key_up(void *data, int type, void *event);
static Eina_Bool _e_dnd_cb_mouse_up(void *data, int type, void *event);
static Eina_Bool _e_dnd_cb_mouse_move(void *data, int type, void *event);
static Eina_Bool _e_dnd_cb_event_dnd_enter(void *data, int type, void *event);
static Eina_Bool _e_dnd_cb_event_dnd_leave(void *data, int type, void *event);
static Eina_Bool _e_dnd_cb_event_dnd_position(void *data, int type, void *event);
static Eina_Bool _e_dnd_cb_event_dnd_status(void *data, int type, void *event);
static Eina_Bool _e_dnd_cb_event_dnd_finished(void *data, int type, void *event);
static Eina_Bool _e_dnd_cb_event_dnd_drop(void *data, int type, void *event);
static Eina_Bool _e_dnd_cb_event_dnd_selection(void *data, int type, void *event);
/* local subsystem globals */
typedef struct _XDnd XDnd;
struct _XDnd
{
int x, y;
const char *type;
void *data;
};
static Eina_List *_event_handlers = NULL;
static Eina_List *_drop_handlers = NULL;
static Eina_Hash *_drop_win_hash = NULL;
static Ecore_X_Window _drag_win = 0;
static Ecore_X_Window _drag_win_root = 0;
static Eina_List *_drag_list = NULL;
static E_Drag *_drag_current = NULL;
static XDnd *_xdnd = NULL;
#define XDS_ATOM "XdndDirectSave0"
static Ecore_X_Atom _xds_atom = 0;
static Ecore_X_Atom _text_atom = 0;
static const char *_type_text_uri_list = NULL;
static const char *_type_xds = NULL;
static const char *_type_text_x_moz_url = NULL;
static const char *_type_enlightenment_x_file = NULL;
static Eina_Hash *_drop_handlers_responsives;
static Ecore_X_Atom _action;
/* externally accessible functions */
EINTERN int
e_dnd_init(void)
{
_type_text_uri_list = eina_stringshare_add("text/uri-list");
_type_xds = eina_stringshare_add(XDS_ATOM);
_type_text_x_moz_url = eina_stringshare_add("text/x-moz-url");
_type_enlightenment_x_file = eina_stringshare_add("enlightenment/x-file");
_xds_atom = ecore_x_atom_get(XDS_ATOM);
_text_atom = ecore_x_atom_get("text/plain");
_drop_win_hash = eina_hash_string_superfast_new(NULL);
_drop_handlers_responsives = eina_hash_string_superfast_new(NULL);
E_LIST_HANDLER_APPEND(_event_handlers, ECORE_EVENT_MOUSE_BUTTON_UP, _e_dnd_cb_mouse_up, NULL);
E_LIST_HANDLER_APPEND(_event_handlers, ECORE_EVENT_MOUSE_MOVE, _e_dnd_cb_mouse_move, NULL);
E_LIST_HANDLER_APPEND(_event_handlers, ECORE_X_EVENT_XDND_ENTER, _e_dnd_cb_event_dnd_enter, NULL);
E_LIST_HANDLER_APPEND(_event_handlers, ECORE_X_EVENT_XDND_LEAVE, _e_dnd_cb_event_dnd_leave, NULL);
E_LIST_HANDLER_APPEND(_event_handlers, ECORE_X_EVENT_XDND_POSITION, _e_dnd_cb_event_dnd_position, NULL);
E_LIST_HANDLER_APPEND(_event_handlers, ECORE_X_EVENT_XDND_STATUS, _e_dnd_cb_event_dnd_status, NULL);
E_LIST_HANDLER_APPEND(_event_handlers, ECORE_X_EVENT_XDND_FINISHED, _e_dnd_cb_event_dnd_finished, NULL);
E_LIST_HANDLER_APPEND(_event_handlers, ECORE_X_EVENT_XDND_DROP, _e_dnd_cb_event_dnd_drop, NULL);
E_LIST_HANDLER_APPEND(_event_handlers, ECORE_X_EVENT_SELECTION_NOTIFY, _e_dnd_cb_event_dnd_selection, NULL);
E_LIST_HANDLER_APPEND(_event_handlers, ECORE_EVENT_KEY_DOWN, _e_dnd_cb_key_down, NULL);
E_LIST_HANDLER_APPEND(_event_handlers, ECORE_EVENT_KEY_UP, _e_dnd_cb_key_up, NULL);
_action = ECORE_X_ATOM_XDND_ACTION_PRIVATE;
return 1;
}
EINTERN int
e_dnd_shutdown(void)
{
E_FREE_LIST(_drag_list, e_object_del);
E_FREE_LIST(_drop_handlers, e_drop_handler_del);
E_FREE_LIST(_event_handlers, ecore_event_handler_del);
eina_hash_free(_drop_win_hash);
eina_hash_free(_drop_handlers_responsives);
eina_stringshare_del(_type_text_uri_list);
eina_stringshare_del(_type_xds);
eina_stringshare_del(_type_text_x_moz_url);
eina_stringshare_del(_type_enlightenment_x_file);
_type_text_uri_list = NULL;
_type_xds = NULL;
_type_text_x_moz_url = NULL;
_type_enlightenment_x_file = NULL;
_text_atom = _xds_atom = 0;
return 1;
}
EAPI E_Drag *
e_drag_new(E_Container *container, int x, int y,
const char **types, unsigned int num_types,
void *data, int size,
void *(*convert_cb)(E_Drag * drag, const char *type),
void (*finished_cb)(E_Drag *drag, int dropped))
{
E_Drag *drag;
unsigned int i;
/* No need to create a drag object without type */
if ((!types) || (!num_types)) return NULL;
drag = e_object_alloc(sizeof(E_Drag) + num_types * sizeof(char *),
E_DRAG_TYPE, E_OBJECT_CLEANUP_FUNC(_e_drag_free));
if (!drag) return NULL;
drag->x = x;
drag->y = y;
drag->w = 24;
drag->h = 24;
drag->layer = E_LAYER_DRAG;
drag->container = container;
e_object_ref(E_OBJECT(drag->container));
drag->evas = e_comp_get(drag)->evas;
/* use first zone to preserve location coords */
drag->pop = e_popup_new(eina_list_data_get(container->zones), x, y, drag->w, drag->h);
e_popup_name_set(drag->pop, "E Drag");
e_popup_layer_set(drag->pop, E_COMP_CANVAS_LAYER_POPUP, 0);
e_popup_ignore_events_set(drag->pop, 1);
drag->object = evas_object_rectangle_add(drag->evas);
evas_object_color_set(drag->object, 255, 0, 0, 255);
drag->type = E_DRAG_NONE;
for (i = 0; i < num_types; i++)
drag->types[i] = eina_stringshare_add(types[i]);
drag->num_types = num_types;
drag->data = data;
drag->data_size = size;
drag->cb.convert = convert_cb;
drag->cb.finished = finished_cb;
_drag_list = eina_list_append(_drag_list, drag);
ecore_x_window_shadow_tree_flush();
_drag_win_root = drag->container->manager->root;
drag->cb.key_down = NULL;
drag->cb.key_up = NULL;
return drag;
}
EAPI Evas *
e_drag_evas_get(const E_Drag *drag)
{
return drag->evas;
}
EAPI void
e_drag_object_set(E_Drag *drag, Evas_Object *object)
{
if (drag->object) evas_object_del(drag->object);
drag->object = object;
drag->pop->content = NULL;
if (_drag_current == drag)
e_popup_content_set(drag->pop, object);
}
EAPI void
e_drag_move(E_Drag *drag, int x, int y)
{
if ((drag->x == x) && (drag->y == y)) return;
drag->x = x;
drag->y = y;
if (_drag_current == drag)
e_popup_move(drag->pop, x, y);
}
EAPI void
e_drag_resize(E_Drag *drag, int w, int h)
{
if ((drag->w == w) && (drag->h == h)) return;
drag->h = h;
drag->w = w;
if (_drag_current == drag)
e_popup_resize(drag->pop, w, h);
}
EAPI int
e_dnd_active(void)
{
return _drag_win != 0;
}
EAPI int
e_drag_start(E_Drag *drag, int x, int y)
{
const Eina_List *l;
E_Drop_Handler *h;
if (_drag_win) return 0;
_drag_win = ecore_x_window_input_new(drag->container->win,
drag->container->x, drag->container->y,
drag->container->w, drag->container->h);
_drag_win_root = drag->container->manager->root;
ecore_x_window_show(_drag_win);
if (!e_grabinput_get(_drag_win, 1, _drag_win))
{
ecore_x_window_free(_drag_win);
return 0;
}
e_popup_move_resize(drag->pop, drag->x, drag->y, drag->w, drag->h);
e_popup_content_set(drag->pop, drag->object);
drag->visible = 1;
drag->type = E_DRAG_INTERNAL;
drag->dx = x - drag->x;
drag->dy = y - drag->y;
EINA_LIST_FOREACH(_drop_handlers, l, h)
{
unsigned int i, j;
h->active = 0;
eina_stringshare_del(h->active_type);
h->active_type = NULL;
for (i = 0; i < h->num_types; i++)
{
for (j = 0; j < drag->num_types; j++)
{
if (h->types[i] == drag->types[j])
{
h->active = 1;
h->active_type = eina_stringshare_ref(h->types[i]);
break;
}
}
if (h->active) break;
}
h->entered = 0;
}
_drag_current = drag;
return 1;
}
EAPI int
e_drag_xdnd_start(E_Drag *drag, int x, int y)
{
Ecore_X_Atom actions[] = {
ECORE_X_DND_ACTION_MOVE, ECORE_X_DND_ACTION_PRIVATE,
ECORE_X_DND_ACTION_COPY, ECORE_X_DND_ACTION_ASK,
ECORE_X_DND_ACTION_LINK
};
const Eina_List *l;
E_Drop_Handler *h;
if (_drag_win) return 0;
_drag_win = ecore_x_window_input_new(drag->container->win,
drag->container->x, drag->container->y,
drag->container->w, drag->container->h);
ecore_x_window_show(_drag_win);
if (!e_grabinput_get(_drag_win, 1, _drag_win))
{
ecore_x_window_free(_drag_win);
return 0;
}
e_popup_move_resize(drag->pop, drag->x, drag->y, drag->w, drag->h);
e_popup_content_set(drag->pop, drag->object);
drag->visible = 1;
drag->type = E_DRAG_XDND;
drag->dx = x - drag->x;
drag->dy = y - drag->y;
EINA_LIST_FOREACH(_drop_handlers, l, h)
{
unsigned int i, j;
h->active = 0;
eina_stringshare_del(h->active_type);
h->active_type = NULL;
for (i = 0; i < h->num_types; i++)
{
for (j = 0; j < drag->num_types; j++)
{
if (h->types[i] == drag->types[j])
{
h->active = 1;
h->active_type = eina_stringshare_ref(h->types[i]);
break;
}
}
if (h->active) break;
}
h->entered = 0;
}
ecore_x_dnd_aware_set(_drag_win, 1);
ecore_x_dnd_types_set(_drag_win, drag->types, drag->num_types);
ecore_x_dnd_actions_set(_drag_win, actions, 5);
ecore_x_dnd_begin(_drag_win, drag->data, drag->data_size);
_drag_current = drag;
return 1;
}
EAPI void
e_drop_handler_xds_set(E_Drop_Handler *handler, Eina_Bool (*cb)(void *data, const char *type))
{
handler->cb.xds = cb;
}
/* should only be used for windows */
EAPI void
e_drop_xds_update(Eina_Bool enable, const char *value)
{
Ecore_X_Window xwin;
char buf[PATH_MAX + 8];
char *file;
int size;
size_t len;
enable = !!enable;
xwin = ecore_x_selection_owner_get(ECORE_X_ATOM_SELECTION_XDND);
if (enable)
{
if (!ecore_x_window_prop_property_get(xwin, _xds_atom, _text_atom, 8, (unsigned char **)&file, &size))
return;
len = strlen(value);
if (size + len + 8 + 1 > sizeof(buf))
{
free(file);
return;
}
snprintf(buf, sizeof(buf), "file://%s/", value);
strncat(buf, file, size);
free(file);
ecore_x_window_prop_property_set(xwin, _xds_atom, _text_atom, 8, (void *)buf, size + len + 8);
}
else
ecore_x_window_prop_property_del(xwin, _xds_atom);
}
EAPI E_Drop_Handler *
e_drop_handler_add(E_Object *obj,
void *data,
void (*enter_cb)(void *data, const char *type, void *event),
void (*move_cb)(void *data, const char *type, void *event),
void (*leave_cb)(void *data, const char *type, void *event),
void (*drop_cb)(void *data, const char *type, void *event),
const char **types, unsigned int num_types, int x, int y, int w, int h)
{
E_Drop_Handler *handler;
unsigned int i;
handler = calloc(1, sizeof(E_Drop_Handler) + num_types * sizeof(char *));
if (!handler) return NULL;
handler->cb.data = data;
handler->cb.enter = enter_cb;
handler->cb.move = move_cb;
handler->cb.leave = leave_cb;
handler->cb.drop = drop_cb;
handler->num_types = num_types;
for (i = 0; i < num_types; i++)
handler->types[i] = eina_stringshare_add(types[i]);
handler->x = x;
handler->y = y;
handler->w = w;
handler->h = h;
handler->obj = obj;
handler->entered = 0;
_drop_handlers = eina_list_append(_drop_handlers, handler);
return handler;
}
EAPI void
e_drop_handler_geometry_set(E_Drop_Handler *handler, int x, int y, int w, int h)
{
handler->x = x;
handler->y = y;
handler->w = w;
handler->h = h;
}
EAPI int
e_drop_inside(const E_Drop_Handler *handler, int x, int y)
{
int dx, dy;
_e_drag_coords_update(handler, &dx, &dy);
x -= dx;
y -= dy;
return E_INSIDE(x, y, handler->x, handler->y, handler->w, handler->h);
}
EAPI void
e_drop_handler_del(E_Drop_Handler *handler)
{
unsigned int i;
if (!handler)
return;
_drop_handlers = eina_list_remove(_drop_handlers, handler);
for (i = 0; i < handler->num_types; i++)
eina_stringshare_del(handler->types[i]);
eina_stringshare_del(handler->active_type);
free(handler);
}
EAPI int
e_drop_xdnd_register_set(Ecore_X_Window win, int reg)
{
const char *id;
id = e_util_winid_str_get(win);
if (reg)
{
if (!eina_hash_find(_drop_win_hash, id))
{
ecore_x_dnd_aware_set(win, 1);
eina_hash_add(_drop_win_hash, id, (void *)1);
}
}
else
{
ecore_x_dnd_aware_set(win, 0);
eina_hash_del(_drop_win_hash, id, (void *)1);
}
return 1;
}
EAPI void
e_drop_handler_responsive_set(E_Drop_Handler *handler)
{
Ecore_X_Window hwin = _e_drag_win_get(handler, 1);
const char *wid = e_util_winid_str_get(hwin);
eina_hash_add(_drop_handlers_responsives, wid, (void *)handler);
}
EAPI int
e_drop_handler_responsive_get(const E_Drop_Handler *handler)
{
Ecore_X_Window hwin = _e_drag_win_get(handler, 1);
const char *wid = e_util_winid_str_get(hwin);
return eina_hash_find(_drop_handlers_responsives, wid) == (void *)handler;
}
EAPI void
e_drop_handler_action_set(Ecore_X_Atom action)
{
_action = action;
}
EAPI Ecore_X_Atom
e_drop_handler_action_get(void)
{
return _action;
}
EAPI void
e_drag_key_down_cb_set(E_Drag *drag, void (*func)(E_Drag *drag, Ecore_Event_Key *e))
{
drag->cb.key_down = func;
}
EAPI void
e_drag_key_up_cb_set(E_Drag *drag, void (*func)(E_Drag *drag, Ecore_Event_Key *e))
{
drag->cb.key_up = func;
}
/* from ecore_x_selection.c */
EAPI Eina_List *
e_dnd_util_text_uri_list_convert(char *data, int size)
{
char *tmp;
int i, is;
Eina_List *ret = NULL;
if (data && data[size - 1])
{
/* Isn't nul terminated */
size++;
data = realloc(data, size);
data[size - 1] = 0;
}
tmp = malloc(size);
is = i = 0;
while ((is < size) && (data[is]))
{
if ((i == 0) && (data[is] == '#'))
for (; ((data[is]) && (data[is] != '\n')); is++) ;
else
{
if ((data[is] != '\r') &&
(data[is] != '\n'))
tmp[i++] = data[is++];
else
{
while ((data[is] == '\r') || (data[is] == '\n'))
is++;
tmp[i] = 0;
ret = eina_list_append(ret, strdup(tmp));
tmp[0] = 0;
i = 0;
}
}
}
if (i > 0)
{
tmp[i] = 0;
ret = eina_list_append(ret, strdup(tmp));
}
free(tmp);
return ret;
}
/* local subsystem functions */
static void
_e_drag_move(E_Drag *drag, int x, int y)
{
E_Zone *zone;
if (((drag->x + drag->dx) == x) && ((drag->y + drag->dy) == y)) return;
zone = e_container_zone_at_point_get(drag->container, x, y);
if (zone) e_zone_flip_coords_handle(zone, x, y);
drag->x = x - drag->dx;
drag->y = y - drag->dy;
e_popup_move(drag->pop, drag->x, drag->y);
}
static void
_e_drag_coords_update(const E_Drop_Handler *h, int *dx, int *dy)
{
int px = 0, py = 0;
*dx = 0;
*dy = 0;
if (h->obj)
{
switch (h->obj->type)
{
E_Gadcon *gc;
case E_GADCON_TYPE:
gc = (E_Gadcon *)h->obj;
if (!gc->toolbar) return;
px = gc->toolbar->fwin->x;
py = gc->toolbar->fwin->y;
break;
case E_GADCON_CLIENT_TYPE:
gc = ((E_Gadcon_Client *)(h->obj))->gadcon;
e_gadcon_canvas_zone_geometry_get(gc, &px, &py, NULL, NULL);
if (!gc->toolbar) break;
px += gc->toolbar->fwin->x;
py += gc->toolbar->fwin->y;
break;
case E_WIN_TYPE:
px = ((E_Win *)(h->obj))->x;
py = ((E_Win *)(h->obj))->y;
break;
case E_ZONE_TYPE:
// zone based drag targets are in a container thus their coords should be
// screen-relative as containers just cover the screen
// px = ((E_Zone *)(h->obj))->x;
// py = ((E_Zone *)(h->obj))->y;
break;
case E_BORDER_TYPE:
px = ((E_Border *)(h->obj))->x;
py = ((E_Border *)(h->obj))->y;
break;
case E_POPUP_TYPE:
px = ((E_Popup *)(h->obj))->x;
py = ((E_Popup *)(h->obj))->y;
break;
/* FIXME: add more types as needed */
default:
break;
}
}
*dx += px;
*dy += py;
}
static Ecore_X_Window
_e_drag_win_get(const E_Drop_Handler *h, int xdnd)
{
Ecore_X_Window hwin = 0;
if (h->obj)
{
switch (h->obj->type)
{
E_Gadcon *gc;
case E_GADCON_TYPE:
gc = (E_Gadcon *)h->obj;
if (gc->toolbar) hwin = gc->toolbar->fwin->border->win; //double check for xdnd...
else
{
if (xdnd) hwin = e_gadcon_xdnd_window_get(gc);
else hwin = e_gadcon_dnd_window_get(gc);
}
break;
case E_GADCON_CLIENT_TYPE:
gc = ((E_Gadcon_Client *)(h->obj))->gadcon;
if (gc->toolbar) hwin = gc->toolbar->fwin->border->win; //double check for xdnd...
else
{
if (xdnd) hwin = e_gadcon_xdnd_window_get(gc);
else hwin = e_gadcon_dnd_window_get(gc);
}
break;
case E_WIN_TYPE:
hwin = ((E_Win *)(h->obj))->evas_win;
break;
case E_BORDER_TYPE:
case E_ZONE_TYPE:
case E_POPUP_TYPE:
hwin = e_comp_get(h->obj)->ee_win;
break;
/* FIXME: add more types as needed */
default:
break;
}
}
return hwin;
}
static int
_e_drag_win_matches(E_Drop_Handler *h, Ecore_X_Window win, int xdnd)
{
Ecore_X_Window hwin = _e_drag_win_get(h, xdnd);
if (win == hwin) return 1;
return 0;
}
static void
_e_drag_win_show(E_Drop_Handler *h)
{
E_Shelf *shelf;
if (h->obj)
{
switch (h->obj->type)
{
case E_GADCON_TYPE:
shelf = e_gadcon_shelf_get((E_Gadcon *)(h->obj));
if (shelf) e_shelf_toggle(shelf, 1);
break;
case E_GADCON_CLIENT_TYPE:
shelf = e_gadcon_shelf_get(((E_Gadcon_Client *)(h->obj))->gadcon);
if (shelf) e_shelf_toggle(shelf, 1);
break;
/* FIXME: add more types as needed */
default:
break;
}
}
}
static void
_e_drag_win_hide(E_Drop_Handler *h)
{
E_Shelf *shelf;
if (h->obj)
{
switch (h->obj->type)
{
case E_GADCON_TYPE:
shelf = e_gadcon_shelf_get((E_Gadcon *)(h->obj));
if (shelf) e_shelf_toggle(shelf, 0);
break;
case E_GADCON_CLIENT_TYPE:
shelf = e_gadcon_shelf_get(((E_Gadcon_Client *)(h->obj))->gadcon);
if (shelf) e_shelf_toggle(shelf, 0);
break;
/* FIXME: add more types as needed */
default:
break;
}
}
}
static unsigned int
_e_dnd_object_layer_get(E_Object *obj)
{
unsigned int adjust = 0;
if (!obj) return 0;
switch (obj->type)
{
case E_GADCON_CLIENT_TYPE:
/* add 1 to ensure we're above a potential receiving gadcon */
adjust = 1;
default:
adjust += e_comp_e_object_layer_get(obj);
}
return adjust;
}
static int
_e_drag_update(Ecore_X_Window root, int x, int y, Ecore_X_Atom action)
{
const Eina_List *l;
Eina_List *entered = NULL;
E_Event_Dnd_Enter enter_ev;
E_Event_Dnd_Move move_ev;
E_Event_Dnd_Leave leave_ev;
E_Drop_Handler *h, *top = NULL;
unsigned int top_layer = 0;
int dx, dy;
Ecore_X_Window win;
int responsive = 0;
// double t1 = ecore_time_get(); ////
if (_drag_current && !_xdnd)
{
Ecore_X_Window ignore[1];
ignore[0] = _drag_win;
win = e_comp_top_window_at_xy_get(e_comp_get(_drag_current), x, y, ignore, 1);
}
else
win = root;
if (_drag_current)
{
if (_drag_current->visible) e_popup_show(_drag_current->pop);
else e_popup_hide(_drag_current->pop);
_e_drag_move(_drag_current, x, y);
}
EINA_LIST_FOREACH(_drop_handlers, l, h)
{
if (!h->active) continue;
_e_drag_coords_update(h, &dx, &dy);
enter_ev.x = x - dx;
enter_ev.y = y - dy;
enter_ev.data = NULL;
enter_ev.action = action;
move_ev.x = x - dx;
move_ev.y = y - dy;
move_ev.action = action;
leave_ev.x = x - dx;
leave_ev.y = y - dy;
if (E_INSIDE(enter_ev.x, enter_ev.y, h->x, h->y, h->w, h->h) &&
((!_drag_current) || _e_drag_win_matches(h, win, 0)))
entered = eina_list_append(entered, h);
else
{
if (h->entered)
{
if (h->cb.leave)
h->cb.leave(h->cb.data, h->active_type, &leave_ev);
if (_drag_current)
_e_drag_win_hide(h);
h->entered = 0;
}
}
}
if (!entered) return 0;
EINA_LIST_FREE(entered, h)
{
unsigned int layer;
E_Drop_Handler *h2;
_e_drag_coords_update(h, &dx, &dy);
leave_ev.x = x - dx;
leave_ev.y = y - dy;
layer = _e_dnd_object_layer_get(h->obj);
if (!top)
{
top = h;
top_layer = layer;
enter_ev.x = x - dx;
enter_ev.y = y - dy;
enter_ev.data = NULL;
enter_ev.action = action;
move_ev.x = x - dx;
move_ev.y = y - dy;
move_ev.action = action;
continue;
}
if (layer > top_layer)
{
h2 = top, top = h, h = h2;
enter_ev.x = x - dx;
enter_ev.y = y - dy;
enter_ev.data = NULL;
enter_ev.action = action;
move_ev.x = x - dx;
move_ev.y = y - dy;
move_ev.action = action;
}
if (h == top) continue;
if (h->entered)
{
if (h->cb.leave)
h->cb.leave(h->cb.data, h->active_type, &leave_ev);
if (_drag_current)
_e_drag_win_hide(h);
h->entered = 0;
}
}
responsive = !!e_drop_handler_responsive_get(top);
if (!top->entered)
{
_e_drag_win_show(top);
if (top->cb.enter)
{
if (_drag_current)
{
if (_drag_current->cb.convert)
{
enter_ev.data = _drag_current->cb.convert(_drag_current,
top->active_type);
}
else
enter_ev.data = _drag_current->data;
}
top->cb.enter(top->cb.data, top->active_type, &enter_ev);
}
top->entered = 1;
}
if (top->cb.move)
top->cb.move(top->cb.data, top->active_type, &move_ev);
return responsive;
// double t2 = ecore_time_get() - t1; ////
// printf("DND UPDATE %3.7f\n", t2); ////
}
static void
_e_drag_end(int x, int y)
{
E_Zone *zone;
const Eina_List *l;
E_Event_Dnd_Drop ev;
int dx, dy;
Ecore_X_Window win;
E_Drag *tmp;
E_Drop_Handler *h;
int dropped;
Ecore_X_Window ignore[1];
if (!_drag_current) return;
ignore[0] = _drag_win;
win = e_comp_top_window_at_xy_get(e_comp_get(_drag_current), x, y, ignore, 1);
zone = e_container_zone_at_point_get(_drag_current->container, x, y);
/* Pass -1, -1, so that it is possible to drop at the edge. */
if (zone) e_zone_flip_coords_handle(zone, -1, -1);
e_popup_hide(_drag_current->pop);
e_grabinput_release(_drag_win, _drag_win);
while (_drag_current->type == E_DRAG_XDND)
{
if (!(dropped = ecore_x_dnd_drop()))
{
if (win == e_comp_get(NULL)->ee_win) break;
ecore_x_window_free(_drag_win);
_drag_win = 0;
}
if (_drag_current->cb.finished)
_drag_current->cb.finished(_drag_current, dropped);
if (_drag_current && !_xdnd)
{
tmp = _drag_current;
_drag_current = NULL;
e_object_del(E_OBJECT(tmp));
}
//e_grabinput_release(_drag_win, _drag_win);
ecore_x_window_hide(_drag_win);
return;
}
ecore_x_window_free(_drag_win);
_drag_win = 0;
dropped = 0;
if (!_drag_current->data)
{
/* Just leave */
E_Event_Dnd_Leave leave_ev;
/* FIXME: We don't need x and y in leave */
leave_ev.x = 0;
leave_ev.y = 0;
EINA_LIST_FOREACH(_drop_handlers, l, h)
{
if (!h->active) continue;
if (h->entered)
{
if (h->cb.leave)
h->cb.leave(h->cb.data, h->active_type, &leave_ev);
h->entered = 0;
}
}
}
EINA_LIST_FOREACH(_drop_handlers, l, h)
{
if (!h->active) continue;
_e_drag_coords_update(h, &dx, &dy);
ev.x = x - dx;
ev.y = y - dy;
if ((_e_drag_win_matches(h, win, 0)) &&
((h->cb.drop) && (E_INSIDE(ev.x, ev.y, h->x, h->y, h->w, h->h))))
{
Eina_Bool need_free = EINA_FALSE;
if (_drag_current->cb.convert)
{
ev.data = _drag_current->cb.convert(_drag_current,
h->active_type);
}
else
{
unsigned int i;
for (i = 0; i < _drag_current->num_types; i++)
if (_drag_current->types[i] == _type_text_uri_list)
{
ev.data = e_dnd_util_text_uri_list_convert(_drag_current->data, _drag_current->data_size);
need_free = EINA_TRUE;
break;
}
if (!need_free)
ev.data = _drag_current->data;
}
h->cb.drop(h->cb.data, h->active_type, &ev);
if (need_free) E_FREE_LIST(ev.data, free);
dropped = 1;
}
h->entered = 0;
if (dropped) break;
}
if (_drag_current->cb.finished)
_drag_current->cb.finished(_drag_current, dropped);
tmp = _drag_current;
_drag_current = NULL;
e_object_del(E_OBJECT(tmp));
}
static void
_e_drag_xdnd_end(Ecore_X_Window win, int x, int y)
{
const Eina_List *l;
E_Event_Dnd_Drop ev;
int dx, dy;
if (!_xdnd) return;
ev.data = _xdnd->data;
if (ev.data)
{
E_Drop_Handler *h;
EINA_LIST_FOREACH(_drop_handlers, l, h)
{
if (!h->active) continue;
_e_drag_coords_update(h, &dx, &dy);
ev.x = x - dx;
ev.y = y - dy;
if (_e_drag_win_matches(h, win, 1) && h->cb.drop
&& E_INSIDE(ev.x, ev.y, h->x, h->y, h->w, h->h))
{
h->cb.drop(h->cb.data, h->active_type, &ev);
}
}
}
else
{
/* Just leave */
E_Event_Dnd_Leave leave_ev;
E_Drop_Handler *h;
/* FIXME: We don't need x and y in leave */
leave_ev.x = 0;
leave_ev.y = 0;
EINA_LIST_FOREACH(_drop_handlers, l, h)
{
if (!h->active) continue;
if (h->entered)
{
if (h->cb.leave)
h->cb.leave(h->cb.data, h->active_type, &leave_ev);
h->entered = 0;
}
}
}
}
static void
_e_drag_free(E_Drag *drag)
{
unsigned int i;
if (drag == _drag_current)
{
const Eina_List *l;
E_Event_Dnd_Leave leave_ev;
E_Drop_Handler *h;
e_grabinput_release(_drag_win, _drag_win);
ecore_x_window_free(_drag_win);
_drag_win = 0;
_drag_win_root = 0;
leave_ev.x = 0;
leave_ev.y = 0;
EINA_LIST_FOREACH(_drop_handlers, l, h)
{
if ((h->active) && (h->entered))
{
if (h->cb.leave)
h->cb.leave(h->cb.data, h->active_type, &leave_ev);
_e_drag_win_hide(h);
}
}
if (drag->cb.finished)
drag->cb.finished(drag, 0);
}
_drag_current = NULL;
_drag_list = eina_list_remove(_drag_list, drag);
e_object_unref(E_OBJECT(drag->container));
E_FREE_FUNC(drag->pop, e_object_del);
for (i = 0; i < drag->num_types; i++)
eina_stringshare_del(drag->types[i]);
free(drag);
ecore_x_window_shadow_tree_flush();
}
static Eina_Bool
_e_dnd_cb_key_down(void *data __UNUSED__, int type __UNUSED__, void *event)
{
Ecore_Event_Key *ev;
ev = event;
if (ev->window != _drag_win) return ECORE_CALLBACK_PASS_ON;
if (!_drag_current) return ECORE_CALLBACK_PASS_ON;
if (_drag_current->cb.key_down)
_drag_current->cb.key_down(_drag_current, ev);
return ECORE_CALLBACK_PASS_ON;
}
static Eina_Bool
_e_dnd_cb_key_up(void *data __UNUSED__, int type __UNUSED__, void *event)
{
Ecore_Event_Key *ev;
ev = event;
if (ev->window != _drag_win) return ECORE_CALLBACK_PASS_ON;
if (!_drag_current) return ECORE_CALLBACK_PASS_ON;
if (_drag_current->cb.key_up)
_drag_current->cb.key_up(_drag_current, ev);
return ECORE_CALLBACK_PASS_ON;
}
static Eina_Bool
_e_dnd_cb_mouse_up(void *data __UNUSED__, int type __UNUSED__, void *event)
{
Ecore_Event_Mouse_Button *ev;
ev = event;
if (ev->window != _drag_win) return ECORE_CALLBACK_PASS_ON;
_e_drag_end(ev->x, ev->y);
return ECORE_CALLBACK_PASS_ON;
}
static Eina_Bool
_e_dnd_cb_mouse_move(void *data __UNUSED__, int type __UNUSED__, void *event)
{
Ecore_Event_Mouse_Move *ev;
ev = event;
if (ev->window != _drag_win) return ECORE_CALLBACK_PASS_ON;
if (!_xdnd)
_e_drag_update(_drag_win_root, ev->x, ev->y,
_action ?: ECORE_X_ATOM_XDND_ACTION_PRIVATE);
return ECORE_CALLBACK_PASS_ON;
}
static Eina_Bool
_e_dnd_cb_event_dnd_enter(void *data __UNUSED__, int type __UNUSED__, void *event)
{
Ecore_X_Event_Xdnd_Enter *ev;
E_Drop_Handler *h;
const char *id;
const Eina_List *l;
unsigned int j;
int i;
ev = event;
id = e_util_winid_str_get(ev->win);
if (!eina_hash_find(_drop_win_hash, id)) return ECORE_CALLBACK_PASS_ON;
EINA_LIST_FOREACH(_drop_handlers, l, h)
{
h->active = 0;
eina_stringshare_del(h->active_type);
h->active_type = NULL;
h->entered = 0;
}
for (i = 0; i < ev->num_types; i++)
{
const char *t = NULL;
/* FIXME: Maybe we want to get something else then files dropped? */
if (!strcmp(_type_text_uri_list, ev->types[i]))
t = eina_stringshare_ref(_type_text_uri_list);
else if (!strcmp(_type_xds, ev->types[i]))
t = eina_stringshare_ref(_type_xds);
if (t)
{
_xdnd = E_NEW(XDnd, 1);
_xdnd->type = t;
EINA_LIST_FOREACH(_drop_handlers, l, h)
{
h->active = 0;
eina_stringshare_del(h->active_type);
h->active_type = NULL;
for (j = 0; j < h->num_types; j++)
{
if (h->types[j] == _xdnd->type)
{
h->active = 1;
h->active_type = eina_stringshare_ref(_xdnd->type);
break;
}
}
h->entered = 0;
}
break;
}
#if 0
else if ((_type_text_x_moz_url == ev->types[i]) ||
(!strcmp(_type_text_x_moz_url, ev->types[i]))) /* not sure it is stringshared */
{
_xdnd = E_NEW(XDnd, 1);
_xdnd->type = eina_stringshare_ref(_type_text_x_moz_url);
EINA_LIST_FOREACH(_drop_handlers, l, h)
{
h->active = (h->type == _type_enlightenment_x_file);
h->entered = 0;
}
break;
}
#endif
}
return ECORE_CALLBACK_PASS_ON;
}
static Eina_Bool
_e_dnd_cb_event_dnd_leave(void *data __UNUSED__, int type __UNUSED__, void *event)
{
Ecore_X_Event_Xdnd_Leave *ev;
E_Event_Dnd_Leave leave_ev;
const char *id;
const Eina_List *l;
ev = event;
id = e_util_winid_str_get(ev->win);
if (!eina_hash_find(_drop_win_hash, id)) return ECORE_CALLBACK_PASS_ON;
leave_ev.x = 0;
leave_ev.y = 0;
if (_xdnd)
{
E_Drop_Handler *h;
EINA_LIST_FOREACH(_drop_handlers, l, h)
{
if (!h->active) continue;
if (h->entered)
{
if (h->cb.leave)
h->cb.leave(h->cb.data, h->active_type, &leave_ev);
h->entered = 0;
}
}
eina_stringshare_del(_xdnd->type);
E_FREE(_xdnd);
}
return ECORE_CALLBACK_PASS_ON;
}
static Eina_Bool
_e_dnd_cb_event_dnd_position(void *data __UNUSED__, int type __UNUSED__, void *event)
{
Ecore_X_Event_Xdnd_Position *ev;
Ecore_X_Rectangle rect;
const char *id;
const Eina_List *l;
E_Drop_Handler *h;
int active;
int responsive;
ev = event;
// double t1 = ecore_time_get(); ////
id = e_util_winid_str_get(ev->win);
if (!eina_hash_find(_drop_win_hash, id))
{
// double t2 = ecore_time_get() - t1; ////
// printf("DND POS EV 1 %3.7f\n", t2); ////
return ECORE_CALLBACK_PASS_ON;
}
rect.x = 0;
rect.y = 0;
rect.width = 0;
rect.height = 0;
active = 0;
EINA_LIST_FOREACH(_drop_handlers, l, h)
{
if (h->active)
{
active = 1;
break;
}
}
if (!active)
ecore_x_dnd_send_status(0, 0, rect, ECORE_X_DND_ACTION_PRIVATE);
else
{
responsive = _e_drag_update(ev->win, ev->position.x, ev->position.y, ev->action);
if (responsive)
ecore_x_dnd_send_status(1, 0, rect, _action);
else
ecore_x_dnd_send_status(1, 0, rect, ECORE_X_ATOM_XDND_ACTION_PRIVATE);
}
// double t2 = ecore_time_get() - t1; ////
// printf("DND POS EV 2 %3.7f\n", t2); ////
return ECORE_CALLBACK_PASS_ON;
}
static Eina_Bool
_e_dnd_cb_event_dnd_status(void *data __UNUSED__, int type __UNUSED__, void *event)
{
Ecore_X_Event_Xdnd_Status *ev;
ev = event;
if (ev->win != _drag_win) return ECORE_CALLBACK_PASS_ON;
return ECORE_CALLBACK_PASS_ON;
}
static Eina_Bool
_e_dnd_cb_event_dnd_finished(void *data __UNUSED__, int type __UNUSED__, void *event __UNUSED__)
{
/*
* this is broken since the completed flag doesn't tell us anything with current
* ecore-x and results in never-ending dnd operation which breaks the window
* 18 September 2012
* BORKER CERTIFICATION: BRONZE
* -discomfitor
Ecore_X_Event_Xdnd_Finished *ev;
ev = event;
if (!ev->completed) return ECORE_CALLBACK_PASS_ON;
*/
if (_drag_current)
{
E_Drag *tmp;
tmp = _drag_current;
_drag_current = NULL;
e_object_del(E_OBJECT(tmp));
}
ecore_x_window_free(_drag_win);
_drag_win = 0;
return ECORE_CALLBACK_PASS_ON;
}
static Eina_Bool
_e_dnd_cb_event_dnd_drop(void *data __UNUSED__, int type __UNUSED__, void *event)
{
Ecore_X_Event_Xdnd_Drop *ev;
const char *id;
ev = event;
id = e_util_winid_str_get(ev->win);
if (!eina_hash_find(_drop_win_hash, id)) return ECORE_CALLBACK_PASS_ON;
if (_xdnd)
{
E_Drop_Handler *h;
Eina_Bool req = EINA_TRUE;
Eina_List *l;
EINA_LIST_FOREACH(_drop_handlers, l, h)
{
if (!h->active) continue;
if (_e_drag_win_matches(h, ev->win, 1) && h->entered && h->cb.xds)
{
req = h->cb.xds(h->cb.data, _xdnd->type);
}
}
if (req) ecore_x_selection_xdnd_request(ev->win, _xdnd->type);
_xdnd->x = ev->position.x;
_xdnd->y = ev->position.y;
if (!req)
{
_e_drag_xdnd_end(ev->win, _xdnd->x, _xdnd->y);
ecore_x_dnd_send_finished();
eina_stringshare_del(_xdnd->type);
E_FREE(_xdnd);
}
}
return ECORE_CALLBACK_PASS_ON;
}
static Eina_Bool
_e_dnd_cb_event_dnd_selection(void *data __UNUSED__, int type __UNUSED__, void *event)
{
Ecore_X_Event_Selection_Notify *ev;
const char *id;
int i;
ev = event;
id = e_util_winid_str_get(ev->win);
if (!eina_hash_find(_drop_win_hash, id)) return ECORE_CALLBACK_PASS_ON;
if (ev->selection != ECORE_X_SELECTION_XDND) return ECORE_CALLBACK_PASS_ON;
if (!_xdnd)
{
/* something crazy happened */
ecore_x_dnd_send_finished();
return ECORE_CALLBACK_RENEW;
}
if (_type_text_uri_list == _xdnd->type)
{
Ecore_X_Selection_Data_Files *files;
Eina_List *l = NULL;
files = ev->data;
for (i = 0; i < files->num_files; i++)
{
/* TODO: Check if hostname is in file:// uri */
if (!strncmp(files->files[i], "file://", 7))
l = eina_list_append(l, files->files[i]);
/* TODO: download files
else if (!strncmp(files->files[i], "http://", 7))
else if (!strncmp(files->files[i], "ftp://", 6))
*/
else
l = eina_list_append(l, files->files[i]);
}
_xdnd->data = l;
_e_drag_xdnd_end(ev->win, _xdnd->x, _xdnd->y);
eina_list_free(l);
}
else if (_type_text_x_moz_url == _xdnd->type)
{
/* FIXME: Create a ecore x parser for this type */
Ecore_X_Selection_Data *sdata;
Eina_List *l = NULL;
char file[PATH_MAX];
char *text;
int size;
sdata = ev->data;
text = (char *)sdata->data;
size = MIN(sdata->length, PATH_MAX - 1);
/* A moz url _shall_ contain a space */
/* FIXME: The data is two-byte unicode. Somewhere it
* is written that the url and the text is separated by
* a space, but it seems like they are separated by
* newline
*/
for (i = 0; i < size; i++)
{
file[i] = text[i];
// printf("'%d-%c' ", text[i], text[i]);
/*
if (text[i] == ' ')
{
file[i] = '\0';
break;
}
*/
}
// printf("\n");
file[i] = '\0';
// printf("file: %d \"%s\"\n", i, file);
l = eina_list_append(l, file);
_xdnd->data = l;
_e_drag_xdnd_end(ev->win, _xdnd->x, _xdnd->y);
eina_list_free(l);
}
else
_e_drag_xdnd_end(ev->win, _xdnd->x, _xdnd->y);
/* FIXME: When to execute this? It could be executed in ecore_x after getting
* the drop property... */
ecore_x_dnd_send_finished();
eina_stringshare_del(_xdnd->type);
E_FREE(_xdnd);
return ECORE_CALLBACK_PASS_ON;
}
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