Panel

The panel UI component can contain subobjects. It can be expanded or collapsed by clicking on the button on its edge. The panel component inherits from the layout component, which means that layout functions can be used on the panel component. For more information, see the Panel API.

This feature is supported in mobile applications only.

Basic Usage

To use a panel component in your application:

  1. Add a panel with the elm_panel_add() function:

    Evas_Object *panel;

panel = elm_panel_add(parent);

  2. You can set the panel orientation with the elm_panel_orient_set() function:

    elm_panel_orient_set(panel, ELM_PANEL_ORIENT_TOP);

  3. Add content to the panel with the elm_object_part_content_set() function:

    Evas_Object *button;

elm_object_part_content_set(panel, "default", button);

  4. Register the callback functions.

    The following example shows how to define and register a callback for the scroll signal:

    evas_object_smart_callback_add(panel, "scroll", panel_scroll_cb, data);

void
panel_scroll_cb(void *data, Evas_Object *obj, void *event_info)
{
    Elm_Panel_Scroll_Info *ev = event_info;
    dlog_print(DLOG_INFO, LOG_TAG, "Panel scroll to: %f, %f\n", ev->rel_x, ev->rel_y);
}

The following example shows a simple use case of the panel component.

Example: Panel use case

Panel

Evas_Object *win;
Evas_Object *conf;
Evas_Object *nf;
Evas_Object *box;
Evas_Object *button;

/* Starting right after the basic EFL UI layout code */
/* (win - conformant - naviframe) */

/* Add a box to contain 2 panels and push the box into the naviframe */
box = elm_box_add(nf);
evas_object_show(box);
elm_object_content_set(nf, box);
elm_naviframe_item_push(nf, "Panel", NULL, NULL, box, NULL);

/* Add an expanded panel to (dis)appear from the top to the box */
panel = elm_panel_add(box);
elm_panel_orient_set(panel, ELM_PANEL_ORIENT_TOP);
evas_object_size_hint_weight_set(panel, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
evas_object_size_hint_align_set(panel, EVAS_HINT_FILL, EVAS_HINT_FILL);
elm_box_pack_end(box, panel);
evas_object_show(panel);

/* Add a button to the panel */
button = elm_button_add(panel);
elm_object_text_set(button, "Top Button");
evas_object_size_hint_weight_set(button, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
evas_object_size_hint_align_set(button, EVAS_HINT_FILL, EVAS_HINT_FILL);
elm_object_part_content_set(panel, "default", button);
evas_object_show(button);

/* Add a collapsed panel to (dis)appear from the bottom to the box */
panel = elm_panel_add(box);
elm_panel_orient_set(panel, ELM_PANEL_ORIENT_BOTTOM);
elm_panel_hidden_set(panel, EINA_TRUE);
evas_object_size_hint_weight_set(panel, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
evas_object_size_hint_align_set(panel, EVAS_HINT_FILL, EVAS_HINT_FILL);
elm_box_pack_end(box, panel);
evas_object_show(panel);

/* Add a button to the panel */
button = elm_button_add(panel);
elm_object_text_set(button, "Bottom Button");
evas_object_size_hint_weight_set(button, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
evas_object_size_hint_align_set(button, EVAS_HINT_FILL, EVAS_HINT_FILL);
elm_object_part_content_set(panel, "default", button);
evas_object_show(button);

Callbacks

You can register callback functions connected to the following signals for a panel object.

Table: Panel callback signals

Signal Description event_info
scroll The panel is being scrolled. Elm_Panel_Scroll_Info

Note

The signal list in the API reference can be more extensive, but only the above signals are actually supported in Tizen.

Note

Except as noted, this content is licensed under LGPLv2.1+.

  • Dependencies
    • Tizen 2.4 and Higher for Mobile
Edit this page