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Gendrid with navigation between items 

Author:    Helen Fornazier <helen.fornazier@profusion.mobi>

Up, Down, Left and Right to navigate without multi selection.
Hold shift + up/down/left/right to multi select.

SVN revision: 53074
This commit is contained in:
Tiago Rezende Campos Falcao 2010-10-05 19:09:58 +00:00
parent 47f13424e2
commit 2bd4bbaa57
2 changed files with 235 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
legacy/elementary/src/lib/Elementary.h.in
View File

@ -696,6 +696,7 @@ extern "C" {
EAPI void elm_gengrid_item_selected_set(Elm_Gengrid_Item *item, Eina_Bool selected);
EAPI Eina_Bool elm_gengrid_item_selected_get(const Elm_Gengrid_Item *item);
EAPI const Evas_Object *elm_gengrid_item_object_get(const Elm_Gengrid_Item *item);
EAPI Elm_Gengrid_Item *elm_gengrid_selected_item_get(const Evas_Object *obj);
EAPI const Eina_List *elm_gengrid_selected_items_get(const Evas_Object *obj);
EAPI const Eina_List *elm_gengrid_items_get(const Evas_Object *obj);
EAPI Elm_Gengrid_Item *elm_gengrid_item_append(Evas_Object *obj, const Elm_Gengrid_Item_Class *gcc, const void *data, Evas_Smart_Cb func, const void *func_data);

238
legacy/elementary/src/lib/elm_gengrid.c
View File

@ -188,6 +188,7 @@ struct _Widget_Data
Eina_List *items;
Ecore_Job *calc_job;
Eina_List *selected;
Elm_Gengrid_Item *last_selected_item;
double align_x, align_y;
Evas_Coord pan_x, pan_y;
@ -216,6 +217,14 @@ static void _item_unrealize(Elm_Gengrid_Item *item);
static void _item_select(Elm_Gengrid_Item *item);
static void _item_unselect(Elm_Gengrid_Item *item);
static void _on_focus_hook(void *data, Evas_Object *obj);
static Eina_Bool _item_multi_select_up(Widget_Data *wd);
static Eina_Bool _item_multi_select_down(Widget_Data *wd);
static Eina_Bool _item_multi_select_left(Widget_Data *wd);
static Eina_Bool _item_multi_select_right(Widget_Data *wd);
static Eina_Bool _item_single_select_up(Widget_Data *wd);
static Eina_Bool _item_single_select_down(Widget_Data *wd);
static Eina_Bool _item_single_select_left(Widget_Data *wd);
static Eina_Bool _item_single_select_right(Widget_Data *wd);
static Eina_Bool _event_hook(Evas_Object *obj, Evas_Object *src,
Evas_Callback_Type type, void *event_info);
@ -248,19 +257,51 @@ _event_hook(Evas_Object *obj, Evas_Object *src __UNUSED__, Evas_Callback_Type ty
if (!strcmp(ev->keyname, "Left") || !strcmp(ev->keyname, "KP_Left"))
{
x -= step_x;
if ((evas_key_modifier_is_set(ev->modifiers, "Shift") &&
_item_multi_select_left(wd))
|| _item_single_select_left(wd))
{
ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
return EINA_TRUE;
}
else
x -= step_x;
}
else if (!strcmp(ev->keyname, "Right") || !strcmp(ev->keyname, "KP_Right"))
{
x += step_x;
if ((evas_key_modifier_is_set(ev->modifiers, "Shift") &&
_item_multi_select_right(wd))
|| _item_single_select_right(wd))
{
ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
return EINA_TRUE;
}
else
x += step_x;
}
else if (!strcmp(ev->keyname, "Up") || !strcmp(ev->keyname, "KP_Up"))
{
y -= step_y;
if ((evas_key_modifier_is_set(ev->modifiers, "Shift") &&
_item_multi_select_up(wd))
|| _item_single_select_up(wd))
{
ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
return EINA_TRUE;
}
else
y -= step_y;
}
else if (!strcmp(ev->keyname, "Down") || !strcmp(ev->keyname, "KP_Down"))
{
y += step_y;
if ((evas_key_modifier_is_set(ev->modifiers, "Shift") &&
_item_multi_select_down(wd))
|| _item_single_select_down(wd))
{
ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
return EINA_TRUE;
}
else
y += step_y;
}
else if (!strcmp(ev->keyname, "Home"))
{
@ -298,6 +339,192 @@ _event_hook(Evas_Object *obj, Evas_Object *src __UNUSED__, Evas_Callback_Type ty
return EINA_TRUE;
}
static Eina_Bool
_item_multi_select_up(Widget_Data *wd)
{
unsigned int i;
if (!wd->selected) return EINA_FALSE;
Eina_List *l = eina_list_data_find_list(wd->items, wd->last_selected_item);
Elm_Gengrid_Item *prev = NULL;
l = eina_list_prev(l);
for (i = 0; i < wd->nmax && l; i++, l = eina_list_prev(l))
{
prev = eina_list_data_get(l);
if (elm_gengrid_item_selected_get(prev))
{
elm_gengrid_item_selected_set(wd->last_selected_item, EINA_FALSE);
wd->last_selected_item = prev;
elm_gengrid_item_show(wd->last_selected_item);
}
else
{
elm_gengrid_item_selected_set(prev, EINA_TRUE);
elm_gengrid_item_show(prev);
}
}
return EINA_TRUE;
}
static Eina_Bool
_item_multi_select_down(Widget_Data *wd)
{
unsigned int i;
if (!wd->selected) return EINA_FALSE;
Eina_List *l = eina_list_data_find_list(wd->items, wd->last_selected_item);
Elm_Gengrid_Item *next = NULL;
l = eina_list_next(l);
for (i = 0; i < wd->nmax && l; i++, l = eina_list_next(l))
{
next = eina_list_data_get(l);
if (elm_gengrid_item_selected_get(next))
{
elm_gengrid_item_selected_set(wd->last_selected_item, EINA_FALSE);
wd->last_selected_item = next;
elm_gengrid_item_show(wd->last_selected_item);
}
else
{
elm_gengrid_item_selected_set(next, EINA_TRUE);
elm_gengrid_item_show(next);
}
}
return EINA_TRUE;
}
static Eina_Bool
_item_multi_select_left(Widget_Data *wd)
{
if (!wd->selected) return EINA_FALSE;
Eina_List *l = eina_list_data_find_list(wd->items, wd->last_selected_item);
l = eina_list_prev(l);
if (!l) return EINA_TRUE;
Elm_Gengrid_Item *prev = eina_list_data_get(l);
if (elm_gengrid_item_selected_get(prev))
{
elm_gengrid_item_selected_set(wd->last_selected_item, EINA_FALSE);
wd->last_selected_item = prev;
elm_gengrid_item_show(wd->last_selected_item);
}
else
{
elm_gengrid_item_selected_set(prev, EINA_TRUE);
elm_gengrid_item_show(prev);
}
return EINA_TRUE;
}
static Eina_Bool
_item_multi_select_right(Widget_Data *wd)
{
if (!wd->selected) return EINA_FALSE;
Eina_List *l = eina_list_data_find_list(wd->items, wd->last_selected_item);
l = eina_list_next(l);
if (!l) return EINA_TRUE;
Elm_Gengrid_Item *next = eina_list_data_get(l);
if (elm_gengrid_item_selected_get(next))
{
elm_gengrid_item_selected_set(wd->last_selected_item, EINA_FALSE);
wd->last_selected_item = next;
elm_gengrid_item_show(wd->last_selected_item);
}
else
{
elm_gengrid_item_selected_set(next, EINA_TRUE);
elm_gengrid_item_show(next);
}
return EINA_TRUE;
}
static Eina_Bool
_item_single_select_up(Widget_Data *wd)
{
unsigned int i;
if (!wd->selected) return EINA_FALSE;
Eina_List *l = eina_list_data_find_list(wd->items, wd->last_selected_item);
for (i = 0; i < wd->nmax && l; i++)
l = eina_list_prev(l);
if (!l) return EINA_FALSE;
Elm_Gengrid_Item *prev = eina_list_data_get(l);
while(wd->selected)
elm_gengrid_item_selected_set(eina_list_data_get(wd->selected),
EINA_FALSE);
elm_gengrid_item_selected_set(prev, EINA_TRUE);
elm_gengrid_item_show(prev);
return EINA_TRUE;
}
static Eina_Bool
_item_single_select_down(Widget_Data *wd)
{
unsigned int i;
if (!wd->selected) return EINA_FALSE;
Eina_List *l = eina_list_data_find_list(wd->items, wd->last_selected_item);
for (i = 0; i < wd->nmax && l; i++)
l = eina_list_next(l);
if (!l) return EINA_FALSE;
Elm_Gengrid_Item *next = eina_list_data_get(l);
while(wd->selected)
elm_gengrid_item_selected_set(eina_list_data_get(wd->selected),
EINA_FALSE);
elm_gengrid_item_selected_set(next, EINA_TRUE);
elm_gengrid_item_show(next);
return EINA_TRUE;
}
static Eina_Bool
_item_single_select_left(Widget_Data *wd)
{
if (!wd->selected) return EINA_FALSE;
Eina_List *l = eina_list_data_find_list(wd->items, wd->last_selected_item);
l = eina_list_prev(l);
if (!l) return EINA_FALSE;
Elm_Gengrid_Item *prev = eina_list_data_get(l);
while(wd->selected)
elm_gengrid_item_selected_set(eina_list_data_get(wd->selected),
EINA_FALSE);
elm_gengrid_item_selected_set(prev, EINA_TRUE);
elm_gengrid_item_show(prev);
return EINA_TRUE;
}
static Eina_Bool
_item_single_select_right(Widget_Data *wd)
{
if (!wd->selected) return EINA_FALSE;
Eina_List *l = eina_list_data_find_list(wd->items, wd->last_selected_item);
l = eina_list_next(l);
if (!l) return EINA_FALSE;
Elm_Gengrid_Item *next = eina_list_data_get(l);
while(wd->selected)
elm_gengrid_item_selected_set(eina_list_data_get(wd->selected),
EINA_FALSE);
elm_gengrid_item_selected_set(next, EINA_TRUE);
elm_gengrid_item_show(next);
return EINA_TRUE;
}
static void
_on_focus_hook(void *data __UNUSED__, Evas_Object *obj)
{
@ -307,6 +534,8 @@ _on_focus_hook(void *data __UNUSED__, Evas_Object *obj)
{
edje_object_signal_emit(wd->self, "elm,action,focus", "elm");
evas_object_focus_set(wd->self, EINA_TRUE);
if (wd->selected && !wd->last_selected_item)
wd->last_selected_item = eina_list_data_get(wd->selected);
}
else
{
@ -824,6 +1053,7 @@ call:
item->walking--;
if ((item->walking == 0) && (item->delete_me))
if (item->relcount == 0) _item_del(item);
item->wd->last_selected_item = item;
}
static void