2008-12-08 01:24:46 -08:00
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#include <Elementary.h>
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#include "elm_priv.h"
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2009-05-31 14:59:31 -07:00
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/**
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* @defgroup Hoversel
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*
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* A hoversel is a button that pops up a list of items (automatically
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* choosing the direction to display) that have a lable and/or an icon to
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* select from. It is a convenience widget to avoid the need to do all the
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* piecing together yourself. It is intended for a small numbr of items in
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* the hoversel menu (no more than 8), though is capable of many more.
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*
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* Signals that you can add callbacks for are:
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*
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* clicked - the user clicked the hoversel button and popped up the sel
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*
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* selected - an item in the hoversel list is selected. event_info is the item
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* selected - Elm_Hoversel_Item
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*
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* dismissed - the hover is dismissed
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*/
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2008-12-08 01:24:46 -08:00
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typedef struct _Widget_Data Widget_Data;
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struct _Widget_Data
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{
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Evas_Object *btn, *hover;
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Evas_Object *hover_parent;
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Eina_List *items;
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};
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2009-02-25 11:50:45 -08:00
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struct _Elm_Hoversel_Item
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{
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Evas_Object *obj;
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const char *label;
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const char *icon_file;
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Elm_Icon_Type icon_type;
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void (*func) (void *data, Evas_Object *obj, void *event_info);
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void *data;
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};
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static void _del_pre_hook(Evas_Object *obj);
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static void _del_hook(Evas_Object *obj);
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static void _sizing_eval(Evas_Object *obj);
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static void _changed_size_hints(void *data, Evas *e, Evas_Object *obj, void *event_info);
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static void _parent_del(void *data, Evas *e, Evas_Object *obj, void *event_info);
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static void
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_del_pre_hook(Evas_Object *obj)
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{
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elm_hoversel_hover_end(obj);
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elm_hoversel_hover_parent_set(obj, NULL);
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}
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static void
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_del_hook(Evas_Object *obj)
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{
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Elm_Hoversel_Item *it;
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Widget_Data *wd = elm_widget_data_get(obj);
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if (!wd) return;
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elm_hoversel_hover_end(obj);
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EINA_LIST_FREE(wd->items, it)
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{
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eina_stringshare_del(it->label);
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eina_stringshare_del(it->icon_file);
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free(it);
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}
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free(wd);
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}
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static void
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_sizing_eval(Evas_Object *obj)
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{
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Widget_Data *wd = elm_widget_data_get(obj);
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if (!wd) return;
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Evas_Coord minw = -1, minh = -1, maxw = -1, maxh = -1;
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2008-12-09 22:33:24 -08:00
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evas_object_size_hint_min_get(wd->btn, &minw, &minh);
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evas_object_size_hint_max_get(wd->btn, &maxw, &maxh);
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evas_object_size_hint_min_set(obj, minw, minh);
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evas_object_size_hint_max_set(obj, maxw, maxh);
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}
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static void
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_changed_size_hints(void *data, Evas *e, Evas_Object *obj, void *event_info)
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{
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_sizing_eval(data);
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}
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static void
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_hover_clicked(void *data, Evas_Object *obj, void *event_info)
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{
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elm_hoversel_hover_end(data);
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}
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2008-12-15 16:15:34 -08:00
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static void
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_item_clicked(void *data, Evas_Object *obj, void *event_info)
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{
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Elm_Hoversel_Item *it = data;
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Evas_Object *obj2 = it->obj;
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elm_hoversel_hover_end(obj2);
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if (it->func) it->func(it->data, obj2, it);
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evas_object_smart_callback_call(obj2, "selected", it);
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}
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2008-12-09 22:33:24 -08:00
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static void
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_activate(Evas_Object *obj)
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{
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Widget_Data *wd = elm_widget_data_get(obj);
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if (!wd) return;
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Evas_Object *bt, *bx, *ic;
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const Eina_List *l;
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const Elm_Hoversel_Item *it;
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wd->hover = elm_hover_add(obj);
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elm_hover_style_set(wd->hover, "hoversel_vertical");
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evas_object_smart_callback_add(wd->hover, "clicked", _hover_clicked, obj);
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elm_hover_parent_set(wd->hover, wd->hover_parent);
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elm_hover_target_set(wd->hover, wd->btn);
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bx = elm_box_add(wd->hover);
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elm_box_homogenous_set(bx, 1);
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EINA_LIST_FOREACH(wd->items, l, it)
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{
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bt = elm_button_add(wd->hover);
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elm_button_style_set(bt, "hoversel_vertical_entry");
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elm_button_label_set(bt, it->label);
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if (it->icon_file)
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{
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ic = elm_icon_add(obj);
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elm_icon_scale_set(ic, 0, 1);
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if (it->icon_type == ELM_ICON_FILE)
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elm_icon_file_set(ic, it->icon_file, NULL);
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else if (it->icon_type == ELM_ICON_STANDARD)
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elm_icon_standard_set(ic, it->icon_file);
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elm_button_icon_set(bt, ic);
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evas_object_show(ic);
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}
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evas_object_size_hint_weight_set(bt, 1.0, 0.0);
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evas_object_size_hint_align_set(bt, -1.0, -1.0);
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elm_box_pack_end(bx, bt);
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evas_object_smart_callback_add(bt, "clicked", _item_clicked, it);
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evas_object_show(bt);
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}
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2008-12-09 22:33:24 -08:00
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elm_hover_content_set
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(wd->hover,
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elm_hover_best_content_location_get(wd->hover, ELM_HOVER_AXIS_VERTICAL),
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bx);
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evas_object_show(bx);
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2009-07-06 23:46:51 -07:00
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2008-12-09 22:33:24 -08:00
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evas_object_show(wd->hover);
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2009-03-19 06:36:46 -07:00
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evas_object_smart_callback_call(obj, "clicked", NULL);
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}
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static void
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_button_clicked(void *data, Evas_Object *obj, void *event_info)
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{
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_activate(data);
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2008-12-09 22:33:24 -08:00
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}
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2008-12-08 01:24:46 -08:00
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static void
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_parent_del(void *data, Evas *e, Evas_Object *obj, void *event_info)
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{
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Widget_Data *wd = elm_widget_data_get(data);
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if (!wd) return;
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wd->hover_parent = NULL;
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}
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2009-05-31 14:59:31 -07:00
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/**
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* Add a new Hoversel object
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*
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* @param parent The parent object
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* @return The new object or NULL if it cannot be created
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*
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* @ingroup Hoversel
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*/
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2008-12-08 01:24:46 -08:00
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EAPI Evas_Object *
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elm_hoversel_add(Evas_Object *parent)
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{
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Evas_Object *obj;
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Evas *e;
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Widget_Data *wd;
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2009-07-06 23:46:51 -07:00
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2008-12-08 01:24:46 -08:00
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wd = ELM_NEW(Widget_Data);
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e = evas_object_evas_get(parent);
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obj = elm_widget_add(e);
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2009-05-13 05:21:52 -07:00
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elm_widget_type_set(obj, "hoversel");
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elm_widget_sub_object_add(parent, obj);
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2008-12-08 01:24:46 -08:00
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elm_widget_data_set(obj, wd);
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elm_widget_del_pre_hook_set(obj, _del_pre_hook);
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elm_widget_del_hook_set(obj, _del_hook);
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2009-07-06 23:46:51 -07:00
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2008-12-09 22:33:24 -08:00
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wd->btn = elm_button_add(parent);
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elm_button_style_set(wd->btn, "hoversel_vertical");
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elm_widget_resize_object_set(obj, wd->btn);
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evas_object_event_callback_add(wd->btn, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
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_changed_size_hints, obj);
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evas_object_smart_callback_add(wd->btn, "clicked", _button_clicked, obj);
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2008-12-08 01:24:46 -08:00
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_sizing_eval(obj);
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return obj;
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}
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2009-05-31 14:59:31 -07:00
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/**
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* Set the Hover parent
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2009-07-06 23:46:51 -07:00
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*
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2009-05-31 14:59:31 -07:00
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* Sets the hover parent object. See Hover objects for more information.
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*
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* @param obj The hoversel object
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* @param parent The parent to use
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*
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* @ingroup Hoversel
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*/
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2008-12-08 01:24:46 -08:00
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EAPI void
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elm_hoversel_hover_parent_set(Evas_Object *obj, Evas_Object *parent)
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{
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Widget_Data *wd = elm_widget_data_get(obj);
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if (!wd) return;
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2008-12-08 01:24:46 -08:00
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if (wd->hover_parent)
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evas_object_event_callback_del(wd->hover_parent, EVAS_CALLBACK_DEL, _parent_del);
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wd->hover_parent = parent;
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if (wd->hover_parent)
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evas_object_event_callback_add(wd->hover_parent, EVAS_CALLBACK_DEL, _parent_del, obj);
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}
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2009-05-31 14:59:31 -07:00
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/**
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* Set the hoversel button label
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*
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2009-05-31 14:59:31 -07:00
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* This sets the label of the button that is always visible (before it is
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* clicked and expanded). Also see elm_button_label_set().
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*
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* @param obj The hoversel object
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* @param label The label text.
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*
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* @ingroup Hoversel
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*/
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2008-12-08 01:24:46 -08:00
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EAPI void
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2008-12-09 22:33:24 -08:00
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elm_hoversel_label_set(Evas_Object *obj, const char *label)
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2008-12-08 01:24:46 -08:00
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{
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Widget_Data *wd = elm_widget_data_get(obj);
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2009-01-08 06:29:13 -08:00
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if (!wd) return;
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2008-12-09 22:33:24 -08:00
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elm_button_label_set(wd->btn, label);
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}
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2009-05-31 14:59:31 -07:00
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/**
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* Set the icon of the hoversel button
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2009-07-06 23:46:51 -07:00
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*
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2009-05-31 14:59:31 -07:00
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* Sets the icon of the button that is always visible (before it is clicked
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* and expanded). Also see elm_button_icon_set().
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*
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* @param obj The hoversel object
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* @param icon The icon object
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*
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* @ingroup Hoversel
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*/
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2008-12-09 22:33:24 -08:00
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EAPI void
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elm_hoversel_icon_set(Evas_Object *obj, Evas_Object *icon)
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{
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Widget_Data *wd = elm_widget_data_get(obj);
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2009-01-08 06:29:13 -08:00
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if (!wd) return;
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2008-12-09 22:33:24 -08:00
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elm_button_icon_set(wd->btn, icon);
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}
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2008-12-08 01:24:46 -08:00
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2009-05-31 14:59:31 -07:00
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/**
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* Trigger the hoversel popup from code
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2009-07-06 23:46:51 -07:00
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*
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2009-05-31 14:59:31 -07:00
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* This makes the hoversel popup activate with the items added being listed.
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*
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* @param obj The hoversel object
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*
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* @ingroup Hoversel
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*/
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2009-03-19 06:36:46 -07:00
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EAPI void
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elm_hoversel_hover_begin(Evas_Object *obj)
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{
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Widget_Data *wd = elm_widget_data_get(obj);
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if (!wd) return;
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if (wd->hover) return;
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_activate(obj);
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}
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2009-05-31 14:59:31 -07:00
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/**
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* This ends the hoversel popup.
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2009-07-06 23:46:51 -07:00
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*
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2009-05-31 14:59:31 -07:00
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* This will close the hoversel popup, making it disappear, if it was active.
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*
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* @param obj The hoversel object
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*
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* @ingroup Hoversel
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*/
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2008-12-08 01:24:46 -08:00
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EAPI void
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elm_hoversel_hover_end(Evas_Object *obj)
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{
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Widget_Data *wd = elm_widget_data_get(obj);
|
2009-01-08 06:29:13 -08:00
|
|
|
if (!wd) return;
|
2009-03-20 08:08:33 -07:00
|
|
|
if (wd->hover)
|
|
|
|
{
|
2009-07-06 23:46:51 -07:00
|
|
|
evas_object_del(wd->hover);
|
|
|
|
wd->hover = NULL;
|
|
|
|
evas_object_smart_callback_call(obj, "dismissed", NULL);
|
2009-03-20 08:08:33 -07:00
|
|
|
}
|
2008-12-09 22:33:24 -08:00
|
|
|
}
|
|
|
|
|
2009-05-31 14:59:31 -07:00
|
|
|
/**
|
|
|
|
* Add an item to the hoversel button
|
2009-07-06 23:46:51 -07:00
|
|
|
*
|
2009-05-31 14:59:31 -07:00
|
|
|
* This adds an item to the hoversel to show when it is clicked
|
|
|
|
*
|
|
|
|
* @param obj The hoversel object
|
|
|
|
* @param label The text abel to use for the item (NULL if not desired)
|
|
|
|
* @param icon_file A image file path on disk to use for the icon or standard
|
|
|
|
* icon name(NULL if not desired)
|
|
|
|
* @param icon_type The icon type if relevant
|
|
|
|
* @param func Convenience function to call when this item is selected
|
|
|
|
* @param data Data to pass to the conveience function
|
|
|
|
* @return A handle to the item added.
|
|
|
|
*
|
|
|
|
* @ingroup Hoversel
|
|
|
|
*/
|
2008-12-15 16:15:34 -08:00
|
|
|
EAPI Elm_Hoversel_Item *
|
|
|
|
elm_hoversel_item_add(Evas_Object *obj, const char *label, const char *icon_file, Elm_Icon_Type icon_type, void (*func) (void *data, Evas_Object *obj, void *event_info), const void *data)
|
2008-12-09 22:33:24 -08:00
|
|
|
{
|
|
|
|
Widget_Data *wd = elm_widget_data_get(obj);
|
2009-01-08 06:29:13 -08:00
|
|
|
if (!wd) return NULL;
|
2009-02-25 11:50:45 -08:00
|
|
|
Elm_Hoversel_Item *it = calloc(1, sizeof(Elm_Hoversel_Item));
|
2008-12-15 16:15:34 -08:00
|
|
|
if (!it) return NULL;
|
|
|
|
wd->items = eina_list_append(wd->items, it);
|
|
|
|
it->obj = obj;
|
|
|
|
it->label = eina_stringshare_add(label);
|
|
|
|
it->icon_file = eina_stringshare_add(icon_file);
|
|
|
|
it->icon_type = icon_type;
|
|
|
|
it->func = func;
|
2009-01-08 06:29:13 -08:00
|
|
|
it->data = (void *)data;
|
2009-02-25 11:50:45 -08:00
|
|
|
return it;
|
2008-12-09 22:33:24 -08:00
|
|
|
}
|
|
|
|
|
2009-05-31 14:59:31 -07:00
|
|
|
/**
|
|
|
|
* Delete an item from the hoversel
|
2009-07-06 23:46:51 -07:00
|
|
|
*
|
2009-05-31 14:59:31 -07:00
|
|
|
* This deletes the item from the hoversel (should not be called while the
|
|
|
|
* hoversel is active).
|
|
|
|
*
|
|
|
|
* @param it The item to delete
|
|
|
|
*
|
|
|
|
* @ingroup Hoversel
|
|
|
|
*/
|
2008-12-09 22:33:24 -08:00
|
|
|
EAPI void
|
2009-02-25 11:50:45 -08:00
|
|
|
elm_hoversel_item_del(Elm_Hoversel_Item *it)
|
2008-12-15 16:15:34 -08:00
|
|
|
{
|
|
|
|
Widget_Data *wd = elm_widget_data_get(it->obj);
|
2009-01-08 06:29:13 -08:00
|
|
|
if (!wd) return;
|
2008-12-17 18:01:36 -08:00
|
|
|
elm_hoversel_hover_end(it->obj);
|
2008-12-15 16:15:34 -08:00
|
|
|
wd->items = eina_list_remove(wd->items, it);
|
|
|
|
eina_stringshare_del(it->label);
|
|
|
|
eina_stringshare_del(it->icon_file);
|
|
|
|
free(it);
|
2008-12-08 01:24:46 -08:00
|
|
|
}
|
2009-03-31 04:58:56 -07:00
|
|
|
|
2009-05-31 14:59:31 -07:00
|
|
|
/**
|
|
|
|
* Get the data pointer passed to the item add function
|
2009-07-06 23:46:51 -07:00
|
|
|
*
|
2009-05-31 14:59:31 -07:00
|
|
|
* This returns the data pointer supplied with elm_hoversel_item_add() that
|
|
|
|
* will be passed to the select function callback.
|
|
|
|
*
|
|
|
|
* @param it The item to get the data from
|
|
|
|
* @return The data pointer set with elm_hoversel_item_add()
|
|
|
|
*
|
|
|
|
* @ingroup Hoversel
|
|
|
|
*/
|
2009-03-31 04:58:56 -07:00
|
|
|
EAPI void *
|
|
|
|
elm_hoversel_item_data_get(Elm_Hoversel_Item *it)
|
|
|
|
{
|
|
|
|
if (!it) return NULL;
|
|
|
|
return it->data;
|
|
|
|
}
|