enlightenment/ephoto
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ephoto
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Ephoto: Add the ability to DND from the grid to other applications.

This commit is contained in:
Stephen Houston 2015-01-16 13:39:02 -06:00
parent 94eb103e48
commit a413df8c48
1 changed files with 183 additions and 0 deletions
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183
src/bin/ephoto_thumb_browser.c
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@ -8,6 +8,15 @@
#define PARENT_DIR "Up"
#define FILESEP "file://"
#define FILESEP_LEN sizeof(FILESEP) - 1
#define DRAG_TIMEOUT 0.3
#define ANIM_TIME 0.2
static Eina_Bool _5s_cancel = EINA_FALSE;
static Ecore_Timer *_5s_timeout = NULL;
typedef struct _Ephoto_Thumb_Browser Ephoto_Thumb_Browser;
struct _Ephoto_Thumb_Browser
@ -288,6 +297,178 @@ _key_down(void *data, Evas *e __UNUSED__, Evas_Object *o __UNUSED__, void *event
}
}
static Eina_Bool
_5s_timeout_gone(void *data)
{
elm_drag_cancel(data);
_5s_timeout = NULL;
return ECORE_CALLBACK_CANCEL;
}
static void
_dnd_drag_start(void *data EINA_UNUSED, Evas_Object *obj)
{
if (_5s_cancel)
_5s_timeout = ecore_timer_add(5.0, _5s_timeout_gone, obj);
}
static void
_dnd_drag_done(void *data, Evas_Object *obj EINA_UNUSED, Eina_Bool doaccept EINA_UNUSED)
{
if (_5s_cancel)
{
ecore_timer_del(_5s_timeout);
_5s_timeout = NULL;
}
eina_list_free(data);
return;
}
static const char *
_dnd_drag_data_build(Eina_List **items)
{
const char *drag_data = NULL;
if (*items)
{
Eina_List *l;
Elm_Object_Item *it;
Ephoto_Entry *e;
unsigned int len = 0;
EINA_LIST_FOREACH(*items, l, it)
{
e = elm_object_item_data_get(it);
if (e->path)
len += strlen(e->path);
}
drag_data = malloc(len + eina_list_count(*items) * (FILESEP_LEN + 1) + 1);
strcpy((char *) drag_data, "");
EINA_LIST_FOREACH(*items, l, it)
{
e = elm_object_item_data_get(it);
if (e->path)
{
strcat((char *) drag_data, FILESEP);
strcat((char *) drag_data, e->path);
strcat((char *) drag_data, "\n");
}
}
}
return drag_data;
}
static Evas_Object *
_dnd_create_icon(void *data, Evas_Object *win, Evas_Coord *xoff, Evas_Coord *yoff)
{
Evas_Object *icon = NULL;
Evas_Object *o = elm_object_item_part_content_get(data, "elm.swallow.icon");
if (o)
{
int xm, ym, w = 30, h = 30;
const char *f;
const char *g;
elm_image_file_get(o, &f, &g);
evas_pointer_canvas_xy_get(evas_object_evas_get(o), &xm, &ym);
if (xoff) *xoff = xm - (w/2);
if (yoff) *yoff = ym - (h/2);
icon = elm_icon_add(win);
elm_image_file_set(icon, f, g);
evas_object_size_hint_align_set(icon, EVAS_HINT_FILL, EVAS_HINT_FILL);
evas_object_size_hint_weight_set(icon, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
if (xoff && yoff) evas_object_move(icon, *xoff, *yoff);
evas_object_resize(icon, w, h);
}
return icon;
}
static Eina_List *
_dnd_icons_get(void *data)
{
Eina_List *l;
Eina_List *icons = NULL;
Evas_Coord xm, ym;
evas_pointer_canvas_xy_get(evas_object_evas_get(data), &xm, &ym);
Eina_List *items = eina_list_clone(elm_gengrid_selected_items_get(data));
Elm_Object_Item *gli = elm_gengrid_at_xy_item_get(data, xm, ym, NULL, NULL);
if (gli)
{
void *p = eina_list_search_sorted(items, _entry_cmp, gli);
if (!p)
items = eina_list_append(items, gli);
}
EINA_LIST_FOREACH(items, l, gli)
{
Evas_Object *o = elm_object_item_part_content_get(gli, "elm.swallow.icon");
if (o)
{
int x, y, w, h;
const char *f, *g;
elm_image_file_get(o, &f, &g);
Evas_Object *ic = elm_icon_add(data);
elm_image_file_set(ic, f, g);
evas_object_geometry_get(o, &x, &y, &w, &h);
evas_object_size_hint_align_set(ic, EVAS_HINT_FILL, EVAS_HINT_FILL);
evas_object_size_hint_weight_set(ic, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
evas_object_move(ic, x, y);
evas_object_resize(ic, w, h);
evas_object_show(ic);
icons = eina_list_append(icons, ic);
}
}
eina_list_free(items);
return icons;
}
static const char *
_dnd_get_drag_data(Evas_Object *obj, Elm_Object_Item *it, Eina_List **items)
{
const char *drag_data = NULL;
*items = eina_list_clone(elm_gengrid_selected_items_get(obj));
if (it)
{
void *p = eina_list_search_sorted(*items, _entry_cmp, it);
if (!p)
*items = eina_list_append(*items, it);
}
drag_data = _dnd_drag_data_build(items);
return drag_data;
}
static Elm_Object_Item *
_dnd_item_get(Evas_Object *obj, Evas_Coord x, Evas_Coord y, int *xposret, int *yposret)
{
Elm_Object_Item *item;
item = elm_gengrid_at_xy_item_get(obj, x, y, xposret, yposret);
return item;
}
static Eina_Bool
_dnd_item_data_get(Evas_Object *obj, Elm_Object_Item *it, Elm_Drag_User_Info *info)
{
info->format = ELM_SEL_FORMAT_TARGETS;
info->createicon = _dnd_create_icon;
info->createdata = it;
info->dragstart = _dnd_drag_start;
info->icons = _dnd_icons_get(obj);
info->dragdone = _dnd_drag_done;
info->data = _dnd_get_drag_data(obj, it, (Eina_List **) &info->donecbdata);
info->acceptdata = info->donecbdata;
if (info->data)
return EINA_TRUE;
else
return EINA_FALSE;
}
static void
_main_del(void *data, Evas *e __UNUSED__, Evas_Object *o __UNUSED__, void *event_info __UNUSED__)
@ -454,6 +635,7 @@ ephoto_thumb_browser_add(Ephoto *ephoto, Evas_Object *parent)
evas_object_size_hint_align_set(tb->grid, EVAS_HINT_FILL, EVAS_HINT_FILL);
elm_gengrid_align_set(tb->grid, 0.5, 0.0);
elm_gengrid_highlight_mode_set(tb->grid, EINA_FALSE);
elm_scroller_bounce_set(tb->grid, EINA_FALSE, EINA_TRUE);
evas_object_size_hint_align_set
(tb->grid, EVAS_HINT_FILL, EVAS_HINT_FILL);
@ -462,6 +644,7 @@ ephoto_thumb_browser_add(Ephoto *ephoto, Evas_Object *parent)
evas_object_smart_callback_add
(tb->grid, "selected", _ephoto_thumb_selected, tb);
elm_drag_item_container_add(tb->grid, ANIM_TIME, DRAG_TIMEOUT, _dnd_item_get, _dnd_item_data_get);
_zoom_set(tb, tb->ephoto->config->thumb_size);