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List with navigation between items 

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

Up and Down to navigate without multi selection. Hold shift +
up/down to multi select.

SVN revision: 53078
This commit is contained in:
Tiago Rezende Campos Falcao 2010-10-05 19:10:08 +00:00
parent 802673163b
commit 3d8c3dfc6f
1 changed files with 113 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

121
legacy/elementary/src/lib/elm_list.c
View File

@ -14,6 +14,7 @@ struct _Widget_Data
{
Evas_Object *scr, *box, *self;
Eina_List *items, *selected, *to_delete;
Elm_List_Item *last_selected_item;
Elm_List_Mode mode;
Evas_Coord minw[2], minh[2];
Eina_Bool scr_minw : 1;
@ -30,6 +31,7 @@ struct _Widget_Data
struct _Elm_List_Item
{
Elm_Widget_Item base;
Widget_Data *wd;
Eina_List *node;
const char *label;
Evas_Object *icon, *end;
@ -57,6 +59,10 @@ static void _fix_items(Evas_Object *obj);
static void _mouse_down(void *data, Evas *evas, Evas_Object *obj, void *event_info);
static void _mouse_up(void *data, Evas *evas, Evas_Object *obj, void *event_info);
static void _mouse_move(void *data, Evas *evas, Evas_Object *obj, void *event_info);
static Eina_Bool _item_multi_select_up(Widget_Data *wd);
static Eina_Bool _item_multi_select_down(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 _event_hook(Evas_Object *obj, Evas_Object *src,
Evas_Callback_Type type, void *event_info);
@ -138,23 +144,39 @@ _event_hook(Evas_Object *obj, Evas_Object *src __UNUSED__, Evas_Callback_Type ty
}
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"))
{
it = eina_list_data_get(wd->items);
elm_list_item_show(it);
elm_list_item_bring_in(it);
ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
return EINA_TRUE;
}
else if (!strcmp(ev->keyname, "End"))
{
it = eina_list_data_get(eina_list_last(wd->items));
elm_list_item_show(it);
elm_list_item_bring_in(it);
ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
return EINA_TRUE;
}
@ -179,6 +201,84 @@ _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)
{
if (!wd->selected) return EINA_FALSE;
if (!wd->multi) return EINA_FALSE;
Elm_List_Item *prev = elm_list_item_prev(wd->last_selected_item);
if (!prev) return EINA_TRUE;
if (elm_list_item_selected_get(prev))
{
elm_list_item_selected_set(wd->last_selected_item, EINA_FALSE);
wd->last_selected_item = prev;
elm_list_item_show(wd->last_selected_item);
}
else
{
elm_list_item_selected_set(prev, EINA_TRUE);
elm_list_item_show(prev);
}
return EINA_TRUE;
}
static Eina_Bool
_item_multi_select_down(Widget_Data *wd)
{
if (!wd->selected) return EINA_FALSE;
if (!wd->multi) return EINA_FALSE;
Elm_List_Item *next = elm_list_item_next(wd->last_selected_item);
if (!next) return EINA_TRUE;
if (elm_list_item_selected_get(next))
{
elm_list_item_selected_set(wd->last_selected_item, EINA_FALSE);
wd->last_selected_item = next;
elm_list_item_show(wd->last_selected_item);
}
else
{
elm_list_item_selected_set(next, EINA_TRUE);
elm_list_item_show(next);
}
return EINA_TRUE;
}
static Eina_Bool
_item_single_select_up(Widget_Data *wd)
{
if (!wd->selected) return EINA_FALSE;
Elm_List_Item *prev = elm_list_item_prev(wd->last_selected_item);
if (!prev) return EINA_FALSE;
while(wd->selected)
elm_list_item_selected_set(eina_list_data_get(wd->selected),
EINA_FALSE);
elm_list_item_selected_set(prev, EINA_TRUE);
elm_list_item_show(prev);
return EINA_TRUE;
}
static Eina_Bool
_item_single_select_down(Widget_Data *wd)
{
if (!wd->selected) return EINA_FALSE;
Elm_List_Item *next = elm_list_item_next(wd->last_selected_item);
if (!next) return EINA_FALSE;
while(wd->selected)
elm_list_item_selected_set(eina_list_data_get(wd->selected),
EINA_FALSE);
elm_list_item_selected_set(next, EINA_TRUE);
elm_list_item_show(next);
return EINA_TRUE;
}
static void
_elm_list_process_deletions(Widget_Data *wd)
{
@ -361,13 +461,16 @@ _on_focus_hook(void *data __UNUSED__, Evas_Object *obj)
if (!wd) return;
if (elm_widget_focus_get(obj))
{
edje_object_signal_emit(wd->scr, "elm,action,focus", "elm");
evas_object_focus_set(wd->scr, EINA_TRUE);
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
{
edje_object_signal_emit(wd->scr, "elm,action,unfocus", "elm");
evas_object_focus_set(wd->scr, EINA_FALSE);
edje_object_signal_emit(wd->self, "elm,action,unfocus", "elm");
evas_object_focus_set(wd->self, EINA_FALSE);
}
}
@ -457,6 +560,7 @@ _item_select(Elm_List_Item *it)
evas_object_smart_callback_call(it->base.widget, "selected", it);
_elm_list_unwalk(wd);
it->wd->last_selected_item = it;
}
static void
@ -623,6 +727,7 @@ _item_new(Evas_Object *obj, const char *label, Evas_Object *icon, Evas_Object *e
if (!wd) return NULL;
it = elm_widget_item_new(obj, Elm_List_Item);
it->wd = wd;
it->label = eina_stringshare_add(label);
it->icon = icon;
it->end = end;