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#include "e.h"
#define SMART_NAME "e_slidecore"
#define API_ENTRY E_Smart_Data * sd; sd = evas_object_smart_data_get(obj); if ((!obj) || (!sd) || (evas_object_type_get(obj) && strcmp(evas_object_type_get(obj), SMART_NAME)))
#define INTERNAL_ENTRY E_Smart_Data * sd; sd = evas_object_smart_data_get(obj); if (!sd) return;
typedef struct _E_Smart_Data E_Smart_Data;
typedef struct _E_Smart_Item E_Smart_Item;
struct _E_Smart_Data
{
Evas_Coord x, y, w, h;
Evas_Object *smart_obj;
Evas_Object *event_obj;
Evas_Object *o1, *o2;
Eina_List *items;
double slide_time, slide_start;
Ecore_Animator *slide_animator;
Evas_Coord dist, pos, slide_pos, slide_start_pos;
int p1, p2, pn;
unsigned char down E_BITFIELD;
};
struct _E_Smart_Item
{
const char *label;
const char *icon;
void (*func)(void *data);
void *data;
};
/* local subsystem functions */
static Eina_Bool _e_smart_cb_slide_animator(void *data);
static void _e_smart_event_mouse_down(void *data, Evas *e, Evas_Object *obj, void *event_info);
static void _e_smart_event_mouse_up(void *data, Evas *e, Evas_Object *obj, void *event_info);
static void _e_smart_event_mouse_move(void *data, Evas *e, Evas_Object *obj, void *event_info);
static void _e_smart_reconfigure(E_Smart_Data *sd);
static void _e_smart_add(Evas_Object *obj);
static void _e_smart_del(Evas_Object *obj);
static void _e_smart_move(Evas_Object *obj, Evas_Coord x, Evas_Coord y);
static void _e_smart_resize(Evas_Object *obj, Evas_Coord w, Evas_Coord h);
static void _e_smart_show(Evas_Object *obj);
static void _e_smart_hide(Evas_Object *obj);
static void _e_smart_color_set(Evas_Object *obj, int r, int g, int b, int a);
static void _e_smart_clip_set(Evas_Object *obj, Evas_Object *clip);
static void _e_smart_clip_unset(Evas_Object *obj);
static void _e_smart_init(void);
/* local subsystem globals */
static Evas_Smart *_e_smart = NULL;
/* externally accessible functions */
E_API Evas_Object *
e_slidecore_add(Evas *evas)
{
_e_smart_init();
return evas_object_smart_add(evas, _e_smart);
}
E_API void
e_slidecore_item_distance_set(Evas_Object *obj, Evas_Coord dist)
{
API_ENTRY return;
if (dist < 1) dist = 1;
sd->dist = dist;
_e_smart_reconfigure(sd);
}
E_API void
e_slidecore_item_add(Evas_Object *obj, const char *label, const char *icon, void (*func)(void *data), void *data)
{
E_Smart_Item *it;
API_ENTRY return;
it = calloc(1, sizeof(E_Smart_Item));
if (!it) return;
if (label) it->label = eina_stringshare_add(label);
if (icon) it->icon = eina_stringshare_add(icon);
it->func = func;
it->data = data;
sd->items = eina_list_append(sd->items, it);
_e_smart_reconfigure(sd);
}
E_API void
e_slidecore_jump(Evas_Object *obj, int num)
{
API_ENTRY return;
sd->slide_start_pos = sd->pos;
sd->slide_pos = num * sd->dist;
if (!sd->slide_animator)
sd->slide_animator = ecore_animator_add(_e_smart_cb_slide_animator,
sd);
sd->slide_start = ecore_loop_time_get();
}
E_API void
e_slidecore_slide_time_set(Evas_Object *obj, double t)
{
API_ENTRY return;
sd->slide_time = t;
}
/* local subsystem functions */
static Eina_Bool
_e_smart_cb_slide_animator(void *data)
{
E_Smart_Data *sd;
double t;
sd = data;
t = (ecore_loop_time_get() - sd->slide_start) / sd->slide_time;
if (t > 1.0) t = 1.0;
t = 1.0 - t;
t = 1.0 - (t * t * t * t); /* more t's - more curve */
if (t > 1.0) t = 1.0;
sd->pos = sd->slide_start_pos + (t * (sd->slide_pos - sd->slide_start_pos));
_e_smart_reconfigure(sd);
if (t >= 1.0)
{
sd->slide_animator = NULL;
return ECORE_CALLBACK_CANCEL;
}
return ECORE_CALLBACK_RENEW;
}
static void
_e_smart_event_mouse_down(void *data, Evas *e EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event_info)
{
Evas_Event_Mouse_Down *ev;
E_Smart_Data *sd;
sd = data;
ev = event_info;
if (ev->button == 1) sd->down = 1;
if (sd->slide_animator)
{
ecore_animator_del(sd->slide_animator);
sd->slide_animator = NULL;
}
}
static void
_e_smart_event_mouse_up(void *data, Evas *e EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event_info)
{
Evas_Event_Mouse_Down *ev;
E_Smart_Data *sd;
sd = data;
ev = event_info;
if (ev->button == 1)
{
int gop = 0;
sd->down = 0;
gop = sd->pos - (sd->p1 * sd->dist);
gop = ((gop / sd->dist) * sd->dist) + (sd->p1 * sd->dist);
sd->slide_start_pos = sd->pos;
sd->slide_pos = gop;
if (!sd->slide_animator)
sd->slide_animator = ecore_animator_add(_e_smart_cb_slide_animator,
sd);
sd->slide_start = ecore_loop_time_get();
}
}
static void
_e_smart_event_mouse_move(void *data, Evas *e EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event_info)
{
Evas_Event_Mouse_Move *ev;
E_Smart_Data *sd;
sd = data;
ev = event_info;
if (!sd->down) return;
sd->pos += ev->cur.canvas.x - ev->prev.canvas.x;
_e_smart_reconfigure(sd);
}
static void
_e_smart_reconfigure(E_Smart_Data *sd)
{
Evas_Coord dp, pos;
int p1, p2, at, pl1, pl2, n;
int r, g, b, a;
evas_object_move(sd->event_obj, sd->x, sd->y);
evas_object_resize(sd->event_obj, sd->w, sd->h);
pos = sd->pos;
n = eina_list_count(sd->items);
while (pos < 0)
pos += (sd->dist * n);
p1 = pos / sd->dist;
p2 = (pos + sd->dist) / sd->dist;
dp = pos - (p1 * sd->dist);
at = (dp * 255) / (sd->dist - 1);
while ((p1 < 0) || (p2 < 0))
{
p1 += n;
p2 += n;
at += 255;
dp += sd->dist;
}
if ((sd->p1 != p1) || (sd->p2 != p2) || (sd->pn != n))
{
E_Smart_Item *it1, *it2;
sd->pn = n;
if (n > 0)
{
sd->p1 = p1;
sd->p2 = p2;
if (sd->o1) evas_object_del(sd->o1);
if (sd->o2) evas_object_del(sd->o2);
sd->o1 = NULL;
sd->o2 = NULL;
pl1 = sd->p1 % n;
pl2 = sd->p2 % n;
it1 = eina_list_nth(sd->items, pl1);
it2 = eina_list_nth(sd->items, pl2);
if (it1 && it2)
{
sd->o1 = e_util_icon_theme_icon_add(it1->icon, 512,
evas_object_evas_get(sd->smart_obj));
if (sd->o1)
{
e_icon_scale_size_set(sd->o1, 0);
evas_object_stack_below(sd->o1, sd->event_obj);
evas_object_pass_events_set(sd->o1, 1);
evas_object_smart_member_add(sd->o1, sd->smart_obj);
e_icon_fill_inside_set(sd->o1, 0);
evas_object_clip_set(sd->o1, evas_object_clip_get(sd->smart_obj));
evas_object_show(sd->o1);
}
sd->o2 = e_util_icon_theme_icon_add(it2->icon, 512,
evas_object_evas_get(sd->smart_obj));
if (sd->o2)
{
e_icon_scale_size_set(sd->o2, 0);
evas_object_stack_below(sd->o2, sd->event_obj);
evas_object_pass_events_set(sd->o2, 1);
evas_object_smart_member_add(sd->o2, sd->smart_obj);
e_icon_fill_inside_set(sd->o2, 0);
evas_object_clip_set(sd->o2, evas_object_clip_get(sd->smart_obj));
evas_object_show(sd->o2);
}
if (at < 128)
{
if (it1->func) it1->func(it1->data);
}
else
{
if (it2->func) it2->func(it2->data);
}
}
}
}
evas_object_color_get(sd->smart_obj, &r, &g, &b, &a);
evas_object_move(sd->o1, sd->x - sd->dist + dp, sd->y);
// printf("SZ: %ix%i\n", sd->w + sd->dist + sd->dist, sd->h);
evas_object_resize(sd->o1, sd->w + sd->dist + sd->dist, sd->h);
evas_object_color_set(sd->o1, r, g, b, a);
evas_object_move(sd->o2, sd->x - sd->dist - sd->dist + dp, sd->y);
evas_object_resize(sd->o2, sd->w + sd->dist + sd->dist, sd->h);
evas_object_color_set(sd->o2, (r * at) / 255, (g * at) / 255, (b * at) / 255, (a * at) / 255);
}
static void
_e_smart_add(Evas_Object *obj)
{
E_Smart_Data *sd;
Evas_Object *o;
sd = calloc(1, sizeof(E_Smart_Data));
if (!sd) return;
evas_object_smart_data_set(obj, sd);
sd->smart_obj = obj;
sd->x = 0;
sd->y = 0;
sd->w = 0;
sd->h = 0;
evas_object_propagate_events_set(obj, 0);
sd->dist = 48;
sd->pos = 0;
sd->p1 = -1;
sd->p2 = -1;
o = evas_object_rectangle_add(evas_object_evas_get(obj));
sd->event_obj = o;
evas_object_color_set(o, 0, 0, 0, 0);
evas_object_event_callback_add(o, EVAS_CALLBACK_MOUSE_DOWN, _e_smart_event_mouse_down, sd);
evas_object_event_callback_add(o, EVAS_CALLBACK_MOUSE_UP, _e_smart_event_mouse_up, sd);
evas_object_event_callback_add(o, EVAS_CALLBACK_MOUSE_MOVE, _e_smart_event_mouse_move, sd);
evas_object_smart_member_add(o, obj);
evas_object_repeat_events_set(o, 1);
sd->slide_time = 0.5;
}
static void
_e_smart_del(Evas_Object *obj)
{
E_Smart_Item *it;
INTERNAL_ENTRY;
if (sd->slide_animator) ecore_animator_del(sd->slide_animator);
EINA_LIST_FREE(sd->items, it)
{
if (it->label) eina_stringshare_del(it->label);
if (it->icon) eina_stringshare_del(it->icon);
free(it);
}
evas_object_del(sd->event_obj);
if (sd->o1) evas_object_del(sd->o1);
if (sd->o2) evas_object_del(sd->o2);
free(sd);
}
static void
_e_smart_move(Evas_Object *obj, Evas_Coord x, Evas_Coord y)
{
INTERNAL_ENTRY;
sd->x = x;
sd->y = y;
_e_smart_reconfigure(sd);
}
static void
_e_smart_resize(Evas_Object *obj, Evas_Coord w, Evas_Coord h)
{
INTERNAL_ENTRY;
sd->w = w;
sd->h = h;
_e_smart_reconfigure(sd);
}
static void
_e_smart_show(Evas_Object *obj)
{
INTERNAL_ENTRY;
evas_object_show(sd->event_obj);
}
static void
_e_smart_hide(Evas_Object *obj)
{
INTERNAL_ENTRY;
evas_object_hide(sd->event_obj);
}
static void
_e_smart_color_set(Evas_Object *obj, int r, int g, int b, int a)
{
INTERNAL_ENTRY;
if (sd->o1) evas_object_color_set(sd->o1, r, g, b, a);
if (sd->o2) evas_object_color_set(sd->o2, r, g, b, a);
}
static void
_e_smart_clip_set(Evas_Object *obj, Evas_Object *clip)
{
INTERNAL_ENTRY;
evas_object_clip_set(sd->event_obj, clip);
if (sd->o1) evas_object_clip_set(sd->o1, clip);
if (sd->o2) evas_object_clip_set(sd->o2, clip);
}
static void
_e_smart_clip_unset(Evas_Object *obj)
{
INTERNAL_ENTRY;
evas_object_clip_unset(sd->event_obj);
}
/* never need to touch this */
static void
_e_smart_init(void)
{
if (_e_smart) return;
{
static const Evas_Smart_Class sc =
{
SMART_NAME,
EVAS_SMART_CLASS_VERSION,
_e_smart_add,
_e_smart_del,
_e_smart_move,
_e_smart_resize,
_e_smart_show,
_e_smart_hide,
_e_smart_color_set,
_e_smart_clip_set,
_e_smart_clip_unset,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL
};
_e_smart = evas_smart_class_new(&sc);
}
}