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express/src/bin/selector.c

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#include "private.h"
#include "selector.h"
#include "config.h"
#include "theme.h"
#include "channel.h"
typedef struct _Selector Selector;
typedef struct _Entry Entry;
struct _Selector
{
Evas_Object_Smart_Clipped_Data __clipped_data;
Evas *evas;
Evas_Object *o_clip;
Evas_Object *o_event;
Eina_List *entries;
int w, h;
Evas_Coord px, px0, px1;
Evas_Coord py, py0, py1;
double interp;
double start, total;
double zoom, zoom0, zoom1;
double orig_zoom;
double last_time;
struct
{
Evas_Coord x, y;
Eina_Bool down : 1;
} mouse;
Ecore_Animator *anim;
Ecore_Timer *autozoom;
Eina_Bool select : 1;
Eina_Bool exit_me : 1;
Eina_Bool exit_now : 1;
Eina_Bool exit_on_sel : 1;
Eina_Bool pending : 1;
Eina_Bool use_px : 1;
};
struct _Entry
{
Evas_Object *obj;
Evas_Object *o_bg;
Channel *chl;
Eina_Bool selected : 1;
Eina_Bool before : 1;
Eina_Bool orig : 1;
Eina_Bool was_selected : 1;
};
/* local variables */
static Evas_Smart *_smart = NULL;
static Evas_Smart_Class _parent_sc = EVAS_SMART_CLASS_INIT_NULL;
/* local functions */
static void
_cb_layout(Evas_Object *obj, Selector *sd)
{
Entry *en;
Eina_List *l;
Evas_Coord ox = 0, oy = 0, ow = 0, oh = 0;
Evas_Coord w = 0, h = 0, px = 0, py = 0;
int count = 0, ew = 0, eh = 0, x = 0, y = 0;
count = eina_list_count(sd->entries);
if (count < 1) return;
evas_object_geometry_get(obj, &ox, &oy, &ow, &oh);
ew = sqrt(count);
if (ew < 1) ew = 1;
eh = ((count + (ew - 1)) / ew);
if (eh < 1) eh = 1;
w = (ow * sd->zoom);
h = (oh * sd->zoom);
if (!sd->use_px)
{
EINA_LIST_FOREACH(sd->entries, l, en)
{
if (en->before)
{
sd->px0 = (x * w);
sd->py0 = (y * h);
}
if ((sd->exit_on_sel) && (!sd->exit_now))
{
if (en->before)
{
sd->px1 = (x * w);
sd->py1 = (y * h);
}
}
else
{
if (en->selected)
{
sd->px1 = (x * w);
sd->py1 = (y * h);
}
}
x++;
if (x >= ew)
{
x = 0;
y++;
}
}
}
sd->px = (sd->px0 + ((sd->px1 - sd->px0) * sd->interp));
sd->py = (sd->py0 + ((sd->py1 - sd->py0) * sd->interp));
px = sd->px;
py = sd->py;
if ((ew > 0) && (w > 0) && (eh > 0) && (h > 0))
{
Evas_Coord ww, hh;
ww = (ew * w);
hh = (eh * h);
if (ww <= w) px = (ww - ow) / 2;
else px = px - ((px * (ow - w)) / (ww - w));
if (hh <= h) py = (hh - oh) / 2;
else py = py - ((py * (oh - h)) / (hh - h));
}
x = y = 0;
EINA_LIST_FOREACH(sd->entries, l, en)
{
evas_object_move(en->o_bg, ox + (x * w) - px, oy + (y * h) - py);
evas_object_resize(en->o_bg, w, h);
evas_object_show(en->o_bg);
x++;
if (x >= ew)
{
x = 0;
y++;
}
}
if ((sd->w > 0) && (sd->h > 0) && (sd->pending))
{
sd->pending = EINA_FALSE;
EINA_LIST_FOREACH(sd->entries, l, en)
{
if ((!en->was_selected) && (en->selected))
edje_object_signal_emit(en->o_bg, "selected", PACKAGE_NAME);
else if ((en->was_selected) && (!en->selected))
edje_object_signal_emit(en->o_bg, "unselected", PACKAGE_NAME);
}
}
}
static Eina_Bool
_cb_anim(void *data)
{
Evas_Object *obj;
Selector *sd;
double t = 1.0;
obj = data;
if (!(sd = evas_object_smart_data_get(obj))) return EINA_FALSE;
if (sd->total > 0.0)
{
t = (ecore_loop_time_get() - sd->start) / sd->total;
if (t < 0.0) t = 0.0;
else if (t > 1.0) t = 1.0;
}
sd->interp = ecore_animator_pos_map(t, ECORE_POS_MAP_DECELERATE, 0, 0);
sd->zoom = sd->zoom0 + ((sd->zoom1 - sd->zoom0) * sd->interp);
_cb_layout(obj, sd);
if (t >= 1.0)
{
sd->anim = NULL;
if ((sd->exit_on_sel) && (!sd->exit_now))
{
if (sd->autozoom)
{
ecore_timer_del(sd->autozoom);
sd->autozoom = NULL;
}
sd->exit_now = EINA_TRUE;
evas_object_smart_callback_call(obj, "ending", NULL);
_selector_zoom(obj, 1.0);
return EINA_FALSE;
}
if ((sd->select) || (sd->exit_now))
{
Entry *en;
Eina_List *l;
Evas_Object *entry = NULL;
EINA_LIST_FOREACH(sd->entries, l, en)
{
if (en->selected)
{
entry = en->obj;
evas_object_smart_callback_call(obj, "selected", entry);
break;
}
}
}
else if (sd->exit_me)
evas_object_smart_callback_call(obj, "exit", NULL);
return EINA_FALSE;
}
return EINA_TRUE;
}
static void
_cb_transit(Evas_Object *obj, Selector *sd, double t)
{
sd->px0 = sd->px;
sd->py0 = sd->py;
sd->zoom0 = sd->zoom;
sd->start = ecore_loop_time_get();
sd->total = t;
sd->interp = 0.0;
if (!sd->anim) sd->anim = ecore_animator_add(_cb_anim, obj);
}
static void
_cb_entry_del(void *data, Evas *evas EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event EINA_UNUSED)
{
Entry *en;
en = data;
if (en->obj)
evas_object_event_callback_del_full(en->obj, EVAS_CALLBACK_DEL,
_cb_entry_del, en);
en->obj = NULL;
}
static Eina_Bool
_cb_autozoom_reset(void *data)
{
Selector *sd;
/* try to get the objects smart data */
if (!(sd = evas_object_smart_data_get(data))) return EINA_FALSE;
sd->autozoom = NULL;
_selector_zoom(data, sd->orig_zoom);
return EINA_FALSE;
}
static void
_cb_autozoom(Evas_Object *obj, Selector *sd)
{
double t = 0.0;
t = ecore_loop_time_get();
if ((t - sd->last_time) < 0.5)
_selector_zoom(obj, (sd->zoom * 0.9));
sd->last_time = t;
if (sd->autozoom) ecore_timer_del(sd->autozoom);
sd->autozoom = ecore_timer_add(0.5, _cb_autozoom_reset, obj);
}
static void
_cb_mouse_up(void *data, Evas *evas EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event)
{
Selector *sd;
Evas_Event_Mouse_Up *ev;
Evas_Coord dx, dy, size;
ev = event;
/* try to get the objects smart data */
if (!(sd = evas_object_smart_data_get(data))) return;
if (!sd->mouse.down) return;
sd->mouse.down = EINA_FALSE;
dx = abs(ev->canvas.x - sd->mouse.x);
dy = abs(ev->canvas.y - sd->mouse.y);
size = elm_config_finger_size_get();
if ((dx <= size) && (dy <= size))
{
Entry *en;
Eina_List *l;
Evas_Coord x, y, ox, oy, ow, oh;
x = ev->canvas.x;
y = ev->canvas.y;
EINA_LIST_FOREACH(sd->entries, l, en)
{
evas_object_geometry_get(en->o_bg, &ox, &oy, &ow, &oh);
if (ELM_RECTS_INTERSECT(ox, oy, ow, oh, x, y, 1, 1))
{
_selector_channel_selected_set(data, en->chl, EINA_FALSE);
sd->select = EINA_TRUE;
sd->exit_me = EINA_FALSE;
if (sd->autozoom)
{
ecore_timer_del(sd->autozoom);
sd->autozoom = NULL;
}
evas_object_smart_callback_call(data, "ending", NULL);
_selector_zoom(data, 1.0);
return;
}
}
evas_object_smart_callback_call(data, "clicked", NULL);
}
}
static void
_cb_mouse_down(void *data, Evas *evas EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event)
{
Selector *sd;
Evas_Event_Mouse_Down *ev;
sd = data;
ev = event;
if (sd->mouse.down) return;
if (ev->button != 1) return;
sd->mouse.x = ev->canvas.x;
sd->mouse.y = ev->canvas.y;
sd->mouse.down = EINA_TRUE;
}
static void
_cb_mouse_move(void *data, Evas *evas EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event)
{
Selector *sd;
Evas_Event_Mouse_Move *ev;
Evas_Coord x = 0, y = 0, w = 0, h = 0;
Evas_Coord sw = 0, sh = 0;
int ew = 0, eh = 0, count = 0;
ev = event;
/* try to get the objects smart data */
if (!(sd = evas_object_smart_data_get(data))) return;
if ((sd->exit_me) || (sd->exit_now) || (sd->select) || (sd->anim)) return;
count = eina_list_count(sd->entries);
if (count < 1) return;
ew = sqrt(count);
if (ew < 1) ew = 1;
eh = (count + (ew - 1)) / ew;
if (eh < 1) eh = 1;
evas_object_geometry_get(data, &x, &y, &w, &h);
sw = w * sd->zoom;
sh = h * sd->zoom;
if (!sd->mouse.down)
{
if ((w > 0) && (h > 0))
{
_cb_transit(data, sd, 0.5);
sd->px1 = ((ev->cur.canvas.x - x) * ((ew - 1) * sw)) / w;
sd->py1 = ((ev->cur.canvas.y - y) * ((eh - 1) * sh)) / h;
sd->use_px = EINA_TRUE;
}
}
}
static void
_cb_key_down(void *data, Evas *evas EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event)
{
Selector *sd;
Evas_Event_Key_Down *ev;
Eina_List *l;
Entry *en;
ev = event;
/* try to get the objects smart data */
if (!(sd = evas_object_smart_data_get(data))) return;
if ((sd->exit_me) || (sd->exit_now) || (sd->select)) return;
if ((!strcmp(ev->key, "Next")) || (!strcmp(ev->key, "Right")))
{
EINA_LIST_FOREACH(sd->entries, l, en)
{
if ((en->selected) && (l->next))
{
en = l->next->data;
_selector_channel_selected_set(obj, en->chl, EINA_FALSE);
break;
}
}
sd->exit_now = EINA_FALSE;
_cb_autozoom(data, sd);
}
else if ((!strcmp(ev->key, "Prior")) || (!strcmp(ev->key, "Left")))
{
EINA_LIST_FOREACH(sd->entries, l, en)
{
if ((en->selected) && (l->prev))
{
en = l->prev->data;
_selector_channel_selected_set(obj, en->chl, EINA_FALSE);
break;
}
}
sd->exit_now = EINA_FALSE;
_cb_autozoom(data, sd);
}
else if (!strcmp(ev->key, "Up"))
{
EINA_LIST_FOREACH(sd->entries, l, en)
{
if (en->selected)
{
Evas_Coord x = 0, y = 0, w = 0, h = 0;
Evas_Coord sx = 0, sy = 0;
evas_object_geometry_get(en->o_bg, &x, &y, &w, &h);
sx = (x + (w / 2));
sy = (y - (h / 2));
EINA_LIST_FOREACH(sd->entries, l, en)
{
evas_object_geometry_get(en->o_bg, &x, &y, &w, &h);
if (ELM_RECTS_INTERSECT(x, y, w, h, sx, sy, 1, 1))
{
_selector_channel_selected_set(obj, en->chl,
EINA_FALSE);
break;
}
}
break;
}
}
sd->exit_now = EINA_FALSE;
_cb_autozoom(data, sd);
}
else if (!strcmp(ev->key, "Down"))
{
EINA_LIST_FOREACH(sd->entries, l, en)
{
if (en->selected)
{
Evas_Coord x = 0, y = 0, w = 0, h = 0;
Evas_Coord sx = 0, sy = 0;
evas_object_geometry_get(en->o_bg, &x, &y, &w, &h);
sx = (x + (w / 2));
sy = (y + h + (h / 2));
EINA_LIST_FOREACH(sd->entries, l, en)
{
evas_object_geometry_get(en->o_bg, &x, &y, &w, &h);
if (ELM_RECTS_INTERSECT(x, y, w, h, sx, sy, 1, 1))
{
_selector_channel_selected_set(obj, en->chl,
EINA_FALSE);
break;
}
}
break;
}
}
sd->exit_now = EINA_FALSE;
_cb_autozoom(data, sd);
}
else if ((!strcmp(ev->key, "Return")) || (!strcmp(ev->key, "KP_Enter")) ||
(!strcmp(ev->key, "space")))
{
sd->select = EINA_TRUE;
sd->exit_me = EINA_FALSE;
if (sd->autozoom)
{
ecore_timer_del(sd->autozoom);
sd->autozoom = NULL;
}
evas_object_smart_callback_call(data, "ending", NULL);
_selector_zoom(data, 1.0);
}
else if (!strcmp(ev->key, "Escape"))
{
EINA_LIST_FOREACH(sd->entries, l, en)
{
if (en->orig)
{
_selector_channel_selected_set(obj, en->chl, EINA_FALSE);
break;
}
}
sd->select = EINA_FALSE;
sd->exit_me = EINA_TRUE;
if (sd->autozoom)
{
ecore_timer_del(sd->autozoom);
sd->autozoom = NULL;
}
evas_object_smart_callback_call(data, "ending", NULL);
_selector_zoom(data, 1.0);
}
}
static void
_smart_add(Evas_Object *obj)
{
Selector *sd;
/* try to allocate space for selector structure */
if (!(sd = calloc(1, sizeof(Selector)))) return;
evas_object_smart_data_set(obj, sd);
_parent_sc.add(obj);
sd->evas = evas_object_evas_get(obj);
sd->o_clip = evas_object_rectangle_add(sd->evas);
evas_object_color_set(sd->o_clip, 255, 255, 255, 255);
evas_object_smart_member_add(sd->o_clip, obj);
}
static void
_smart_del(Evas_Object *obj)
{
Selector *sd;
Entry *en;
/* try to get the objects smart data */
if (!(sd = evas_object_smart_data_get(obj))) return;
if (sd->o_clip) evas_object_del(sd->o_clip);
if (sd->o_event) evas_object_del(sd->o_event);
if (sd->anim) ecore_animator_del(sd->anim);
if (sd->autozoom) ecore_timer_del(sd->autozoom);
EINA_LIST_FREE(sd->entries, en)
{
if (en->obj)
{
evas_object_event_callback_del_full(en->obj, EVAS_CALLBACK_DEL,
_cb_entry_del, en);
evas_object_del(en->obj);
}
if (en->o_bg) evas_object_del(en->o_bg);
free(en);
}
_parent_sc.del(obj);
}
static void
_smart_resize(Evas_Object *obj, Evas_Coord w, Evas_Coord h)
{
/* Selector *sd; */
Evas_Coord ow = 0, oh = 0;
/* try to get the objects smart data */
/* if (!(sd = evas_object_smart_data_get(obj))) return; */
/* get geometry of the object */
evas_object_geometry_get(obj, NULL, NULL, &ow, &oh);
if ((ow == w) && (oh == h)) return;
evas_object_smart_changed(obj);
}
static void
_smart_move(Evas_Object *obj, Evas_Coord x EINA_UNUSED, Evas_Coord y EINA_UNUSED)
{
evas_object_smart_changed(obj);
}
static void
_smart_calculate(Evas_Object *obj)
{
Selector *sd;
Evas_Coord ox = 0, oy = 0, ow = 0, oh = 0;
/* try to get the objects smart data */
if (!(sd = evas_object_smart_data_get(obj))) return;
evas_object_geometry_get(obj, &ox, &oy, &ow, &oh);
if ((sd->w == ow) && (sd->h == oh)) return;
sd->w = ow;
sd->h = oh;
evas_object_move(sd->o_clip, ox, oy);
evas_object_resize(sd->o_clip, ow, oh);
evas_object_move(sd->o_event, ox, oy);
evas_object_resize(sd->o_event, ow, oh);
_cb_layout(obj, sd);
}
static void
_smart_init(void)
{
static Evas_Smart_Class sc;
evas_object_smart_clipped_smart_set(&_parent_sc);
sc = _parent_sc;
sc.name = "selector";
sc.version = EVAS_SMART_CLASS_VERSION;
sc.add = _smart_add;
sc.del = _smart_del;
sc.resize = _smart_resize;
sc.move = _smart_move;
sc.calculate = _smart_calculate;
_smart = evas_smart_class_new(&sc);
}
/* external functions */
Evas_Object *
_selector_create(Evas *evas)
{
Evas_Object *obj;
Selector *sd;
if (!_smart) _smart_init();
obj = evas_object_smart_add(evas, _smart);
/* try to get the objects smart data */
if (!(sd = evas_object_smart_data_get(obj))) return obj;
sd->o_event = evas_object_rectangle_add(evas);
evas_object_color_set(sd->o_event, 0, 0, 0, 0);
evas_object_repeat_events_set(sd->o_event, EINA_TRUE);
evas_object_smart_member_add(sd->o_event, obj);
evas_object_clip_set(sd->o_event, sd->o_clip);
evas_object_show(sd->o_event);
evas_object_event_callback_add(sd->o_event, EVAS_CALLBACK_MOUSE_UP,
_cb_mouse_up, obj);
evas_object_event_callback_add(sd->o_event, EVAS_CALLBACK_MOUSE_DOWN,
_cb_mouse_down, sd);
evas_object_event_callback_add(sd->o_event, EVAS_CALLBACK_MOUSE_MOVE,
_cb_mouse_move, obj);
evas_object_event_callback_add(obj, EVAS_CALLBACK_KEY_DOWN,
_cb_key_down, obj);
sd->zoom = 1.0;
return obj;
}
void
_selector_channel_add(Evas_Object *obj, Channel *chl, Eina_Bool selected)
{
Selector *sd;
Entry *en;
Eina_Bool bell = EINA_FALSE;
/* try to get the objects smart data */
if (!(sd = evas_object_smart_data_get(obj))) return;
/* try to allocate space for the Entry structure */
if (!(en = calloc(1, sizeof(Entry)))) return;
/* add this entry to the list */
sd->entries = eina_list_append(sd->entries, en);
bell = _channel_missed_get(chl);
en->chl = chl;
en->obj = _channel_image_get(chl);
en->selected = selected;
en->before = selected;
en->orig = selected;
/* create entry background */
en->o_bg = edje_object_add(evas_object_evas_get(obj));
_theme_apply(en->o_bg, "express/selector/entry");
evas_object_smart_member_add(en->o_bg, obj);
evas_object_clip_set(en->o_bg, sd->o_clip);
edje_object_part_swallow(en->o_bg, "content", en->obj);
evas_object_show(en->obj);
evas_object_stack_below(en->o_bg, sd->o_event);
if (en->selected)
edje_object_signal_emit(en->o_bg, "selected,start", PACKAGE_NAME);
if (bell)
edje_object_signal_emit(en->o_bg, "bell", PACKAGE_NAME);
if ((en->selected) || (bell))
edje_object_message_signal_process(en->o_bg);
sd->interp = 1.0;
edje_object_part_text_set(en->o_bg, "label", _channel_name_get(chl));
/* TODO: callbacks add for bell, title, icon ?? */
evas_object_event_callback_add(en->obj, EVAS_CALLBACK_DEL,
_cb_entry_del, en);
}
void
_selector_channel_selected_set(Evas_Object *obj, Channel *chl, Eina_Bool keep)
{
Selector *sd;
Entry *en;
Eina_List *l;
Evas_Object *img;
/* try to get the objects smart data */
if (!(sd = evas_object_smart_data_get(obj))) return;
img = _channel_image_get(chl);
EINA_LIST_FOREACH(sd->entries, l, en)
{
if (en->obj == img)
{
if ((sd->w > 0) && (sd->h > 0))
edje_object_signal_emit(en->o_bg, "selected", PACKAGE_NAME);
else
sd->pending = EINA_TRUE;
evas_object_stack_below(en->o_bg, sd->o_event);
en->was_selected = EINA_FALSE;
en->selected = EINA_TRUE;
}
else if (en->obj != img)
{
if (en->selected)
{
if ((sd->w > 0) && (sd->h > 0))
edje_object_signal_emit(en->o_bg,
"unselected", PACKAGE_NAME);
else
{
en->was_selected = EINA_TRUE;
sd->pending = EINA_TRUE;
}
en->selected = EINA_FALSE;
}
}
if (!keep) en->before = EINA_FALSE;
}
sd->use_px = EINA_FALSE;
_cb_transit(obj, sd, _ex_cfg->gui.zoom);
}
void
_selector_zoom_set(Evas_Object *obj, double zoom)
{
Selector *sd;
/* try to get the objects smart data */
if (!(sd = evas_object_smart_data_get(obj))) return;
sd->orig_zoom = zoom;
}
void
_selector_zoom(Evas_Object *obj, double zoom)
{
Selector *sd;
/* try to get the objects smart data */
if (!(sd = evas_object_smart_data_get(obj))) return;
sd->zoom1 = zoom;
_cb_transit(obj, sd, _ex_cfg->gui.zoom);
}
void
_selector_go(Evas_Object *obj)
{
Selector *sd;
Entry *en;
Eina_List *l;
/* try to get the objects smart data */
if (!(sd = evas_object_smart_data_get(obj))) return;
_cb_layout(obj, sd);
evas_object_show(sd->o_clip);
EINA_LIST_FOREACH(sd->entries, l, en)
{
if (en->selected)
{
evas_object_stack_below(en->o_bg, sd->o_event);
break;
}
}
}
void
_selector_exit(Evas_Object *obj)
{
Selector *sd;
/* try to get the objects smart data */
if (!(sd = evas_object_smart_data_get(obj))) return;
sd->exit_on_sel = EINA_TRUE;
}
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