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efl/src/lib/elementary/efl_ui_popup_anchor.c

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#ifdef HAVE_CONFIG_H
# include "elementary_config.h"
#endif
#define EFL_UI_POPUP_PROTECTED
#define EFL_UI_POPUP_ANCHOR_BETA
#include <Elementary.h>
#include "elm_priv.h"
#include "efl_ui_popup_anchor_private.h"
#define MY_CLASS EFL_UI_POPUP_ANCHOR_CLASS
#define MY_CLASS_NAME "Efl.Ui.Popup.Anchor"
static void
_anchor_calc(Eo *obj)
{
ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd);
EFL_UI_POPUP_ANCHOR_DATA_GET(obj, sd);
Eina_Position2D pos = {0, 0};
Eo *parent = efl_provider_find(obj, EFL_UI_WIN_CLASS);
if (!parent)
{
ERR("Cannot find window parent");
return;
}
Eina_Rect a_geom = efl_gfx_geometry_get(sd->anchor);
Eina_Rect o_geom = efl_gfx_geometry_get(obj);
Eina_Rect p_geom = efl_gfx_geometry_get(parent);
sd->used_align = EFL_UI_POPUP_ALIGN_NONE;
/* 1. Find align which display popup.
It enables to shifting popup from exact position.
LEFT, RIGHT - shift only y position within anchor object's height
TOP, BOTTOM - shift only x position within anchor object's width
CENTER - shift both x, y position within anchor object's area
*/
for (int idx = 0; idx < 6; idx++)
{
Efl_Ui_Popup_Align cur_align;
if (idx == 0)
cur_align = sd->align;
else
cur_align = sd->priority[idx - 1];
if (cur_align == EFL_UI_POPUP_ALIGN_NONE)
continue;
switch(cur_align)
{
case EFL_UI_POPUP_ALIGN_TOP:
pos.x = a_geom.x + ((a_geom.w - o_geom.w) / 2);
pos.y = (a_geom.y - o_geom.h);
if ((pos.y < 0) ||
((pos.y + o_geom.h) > p_geom.h) ||
(o_geom.w > p_geom.w))
continue;
break;
case EFL_UI_POPUP_ALIGN_LEFT:
pos.x = (a_geom.x - o_geom.w);
pos.y = a_geom.y + ((a_geom.h - o_geom.h) / 2);
if ((pos.x < 0) ||
((pos.x + o_geom.w) > p_geom.w) ||
(o_geom.h > p_geom.h))
continue;
break;
case EFL_UI_POPUP_ALIGN_RIGHT:
pos.x = (a_geom.x + a_geom.w);
pos.y = a_geom.y + ((a_geom.h - o_geom.h) / 2);
if ((pos.x < 0) ||
((pos.x + o_geom.w) > p_geom.w) ||
(o_geom.h > p_geom.h))
continue;
break;
case EFL_UI_POPUP_ALIGN_BOTTOM:
pos.x = a_geom.x + ((a_geom.w - o_geom.w) / 2);
pos.y = (a_geom.y + a_geom.h);
if ((pos.y < 0) ||
((pos.y + o_geom.h) > p_geom.h) ||
(o_geom.w > p_geom.w))
continue;
break;
case EFL_UI_POPUP_ALIGN_CENTER:
pos.x = a_geom.x + ((a_geom.w - o_geom.w) / 2);
pos.y = a_geom.y + ((a_geom.h - o_geom.h) / 2);
if ((o_geom.w > p_geom.w) || (o_geom.h > p_geom.h))
continue;
break;
default:
continue;
}
if ((cur_align == EFL_UI_POPUP_ALIGN_TOP) ||
(cur_align == EFL_UI_POPUP_ALIGN_BOTTOM) ||
(cur_align == EFL_UI_POPUP_ALIGN_CENTER))
{
if (pos.x < 0)
pos.x = 0;
if ((pos.x + o_geom.w) > p_geom.w)
pos.x = p_geom.w - o_geom.w;
if ((pos.x > (a_geom.x + a_geom.w)) ||
((pos.x + o_geom.w) < a_geom.x))
continue;
}
if ((cur_align == EFL_UI_POPUP_ALIGN_LEFT) ||
(cur_align == EFL_UI_POPUP_ALIGN_RIGHT) ||
(cur_align == EFL_UI_POPUP_ALIGN_CENTER))
{
if (pos.y < 0)
pos.y = 0;
if ((pos.y + o_geom.h) > p_geom.h)
pos.y = p_geom.h - o_geom.h;
if ((pos.y > (a_geom.y + a_geom.h)) ||
((pos.y + o_geom.h) < a_geom.y))
continue;
}
sd->used_align = cur_align;
goto end;
}
/* 2. Move popup to fit first valid align although entire popup can't display */
for (int idx = 0; idx < 6; idx++)
{
Efl_Ui_Popup_Align cur_align;
if (idx == 0)
cur_align = sd->align;
else
cur_align = sd->priority[idx - 1];
if (cur_align == EFL_UI_POPUP_ALIGN_NONE)
continue;
switch(cur_align)
{
case EFL_UI_POPUP_ALIGN_TOP:
pos.x = a_geom.x + ((a_geom.w - o_geom.w) / 2);
pos.y = (a_geom.y - o_geom.h);
sd->used_align = cur_align;
goto end;
break;
case EFL_UI_POPUP_ALIGN_LEFT:
pos.x = (a_geom.x - o_geom.w);
pos.y = a_geom.y + ((a_geom.h - o_geom.h) / 2);
sd->used_align = cur_align;
goto end;
break;
case EFL_UI_POPUP_ALIGN_RIGHT:
pos.x = (a_geom.x + a_geom.w);
pos.y = a_geom.y + ((a_geom.h - o_geom.h) / 2);
sd->used_align = cur_align;
goto end;
break;
case EFL_UI_POPUP_ALIGN_BOTTOM:
pos.x = a_geom.x + ((a_geom.w - o_geom.w) / 2);
pos.y = (a_geom.y + a_geom.h);
sd->used_align = cur_align;
goto end;
break;
case EFL_UI_POPUP_ALIGN_CENTER:
pos.x = a_geom.x + ((a_geom.w - o_geom.w) / 2);
pos.y = a_geom.y + ((a_geom.h - o_geom.h) / 2);
sd->used_align = cur_align;
goto end;
break;
default:
break;
}
}
end:
if (sd->used_align != EFL_UI_POPUP_ALIGN_NONE)
efl_gfx_position_set(efl_super(obj, EFL_UI_POPUP_CLASS), pos);
}
static void
_anchor_geom_cb(void *data, const Efl_Event *ev EINA_UNUSED)
{
_anchor_calc(data);
}
static void
_anchor_del_cb(void *data, const Efl_Event *ev EINA_UNUSED)
{
EFL_UI_POPUP_ANCHOR_DATA_GET(data, sd);
Eo *parent = efl_provider_find(data, EFL_UI_WIN_CLASS);
if (!parent)
{
ERR("Cannot find window parent");
return;
}
efl_event_callback_del(parent, EFL_GFX_EVENT_RESIZE, _anchor_geom_cb, data);
sd->anchor = NULL;
efl_ui_popup_align_set(efl_super(data, MY_CLASS), sd->align);
}
static void
_anchor_detach(Eo *obj)
{
EFL_UI_POPUP_ANCHOR_DATA_GET(obj, sd);
if (sd->anchor == NULL) return;
Eo *parent = efl_provider_find(obj, EFL_UI_WIN_CLASS);
if (!parent)
{
ERR("Cannot find window parent");
return;
}
efl_event_callback_del(parent, EFL_GFX_EVENT_RESIZE, _anchor_geom_cb, obj);
efl_event_callback_del(sd->anchor, EFL_GFX_EVENT_RESIZE, _anchor_geom_cb, obj);
efl_event_callback_del(sd->anchor, EFL_GFX_EVENT_MOVE, _anchor_geom_cb, obj);
efl_event_callback_del(sd->anchor, EFL_EVENT_DEL, _anchor_del_cb, obj);
}
EOLIAN static void
_efl_ui_popup_anchor_anchor_set(Eo *obj, Efl_Ui_Popup_Anchor_Data *pd, Eo *anchor)
{
_anchor_detach(obj);
pd->anchor = anchor;
if (anchor == NULL)
efl_ui_popup_align_set(efl_super(obj, MY_CLASS), pd->align);
else
{
efl_ui_popup_align_set(efl_super(obj, MY_CLASS), EFL_UI_POPUP_ALIGN_NONE);
_anchor_calc(obj);
Eo *parent = efl_provider_find(obj, EFL_UI_WIN_CLASS);
if (!parent)
{
ERR("Cannot find window parent");
return;
}
efl_event_callback_add(parent, EFL_GFX_EVENT_RESIZE, _anchor_geom_cb, obj);
efl_event_callback_add(anchor, EFL_GFX_EVENT_RESIZE, _anchor_geom_cb, obj);
efl_event_callback_add(anchor, EFL_GFX_EVENT_MOVE, _anchor_geom_cb, obj);
efl_event_callback_add(anchor, EFL_EVENT_DEL, _anchor_del_cb, obj);
}
}
EOLIAN static Efl_Object *
_efl_ui_popup_anchor_anchor_get(Eo *obj EINA_UNUSED, Efl_Ui_Popup_Anchor_Data *pd)
{
return pd->anchor;
}
EOLIAN static void
_efl_ui_popup_anchor_align_priority_set(Eo *obj EINA_UNUSED,
Efl_Ui_Popup_Anchor_Data *pd,
Efl_Ui_Popup_Align first,
Efl_Ui_Popup_Align second,
Efl_Ui_Popup_Align third,
Efl_Ui_Popup_Align fourth,
Efl_Ui_Popup_Align fifth)
{
pd->priority[0] = first;
pd->priority[1] = second;
pd->priority[2] = third;
pd->priority[3] = fourth;
pd->priority[4] = fifth;
}
EOLIAN static void
_efl_ui_popup_anchor_align_priority_get(Eo *obj EINA_UNUSED,
Efl_Ui_Popup_Anchor_Data *pd,
Efl_Ui_Popup_Align *first,
Efl_Ui_Popup_Align *second,
Efl_Ui_Popup_Align *third,
Efl_Ui_Popup_Align *fourth,
Efl_Ui_Popup_Align *fifth)
{
if (first) *first = pd->priority[0];
if (second) *second = pd->priority[1];
if (third) *third = pd->priority[2];
if (fourth) *fourth = pd->priority[3];
if (fifth) *fifth = pd->priority[4];
}
EOLIAN static void
_efl_ui_popup_anchor_efl_gfx_position_set(Eo *obj, Efl_Ui_Popup_Anchor_Data *pd EINA_UNUSED, Eina_Position2D pos)
{
_anchor_detach(obj);
pd->anchor = NULL;
pd->align = EFL_UI_POPUP_ALIGN_NONE;
efl_gfx_position_set(efl_super(obj, MY_CLASS), pos);
}
EOLIAN static void
_efl_ui_popup_anchor_elm_layout_sizing_eval(Eo *obj, Efl_Ui_Popup_Anchor_Data *pd EINA_UNUSED)
{
elm_layout_sizing_eval(efl_super(obj, MY_CLASS));
if (pd->anchor != NULL)
_anchor_calc(obj);
}
EOLIAN static void
_efl_ui_popup_anchor_efl_ui_popup_align_set(Eo *obj, Efl_Ui_Popup_Anchor_Data *pd, Efl_Ui_Popup_Align type)
{
pd->align = type;
if (pd->anchor == NULL)
efl_ui_popup_align_set(efl_super(obj, MY_CLASS), type);
else
_anchor_calc(obj);
}
EOLIAN static Efl_Ui_Popup_Align
_efl_ui_popup_anchor_efl_ui_popup_align_get(Eo *obj EINA_UNUSED, Efl_Ui_Popup_Anchor_Data *pd)
{
return pd->align;
}
EOLIAN static Eo *
_efl_ui_popup_anchor_efl_object_constructor(Eo *obj,
Efl_Ui_Popup_Anchor_Data *pd)
{
ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd, NULL);
obj = efl_constructor(efl_super(obj, MY_CLASS));
efl_canvas_object_type_set(obj, MY_CLASS_NAME);
elm_widget_sub_object_parent_add(obj);
pd->priority[0] = EFL_UI_POPUP_ALIGN_TOP;
pd->priority[1] = EFL_UI_POPUP_ALIGN_LEFT;
pd->priority[2] = EFL_UI_POPUP_ALIGN_RIGHT;
pd->priority[3] = EFL_UI_POPUP_ALIGN_BOTTOM;
pd->priority[4] = EFL_UI_POPUP_ALIGN_CENTER;
return obj;
}
#define EFL_UI_POPUP_ANCHOR_EXTRA_OPS \
ELM_LAYOUT_SIZING_EVAL_OPS(efl_ui_popup_anchor)
#include "efl_ui_popup_anchor.eo.c"
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