Terminal emulator with all the bells and whistles https://www.enlightenment.org
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#include "private.h"
#include <Elementary.h>
#include <stdlib.h>
#include <unistd.h>
#include "sel.h"
#include "config.h"
#include "theme.h"
#include "win.h"
#include "term_container.h"
typedef struct tag_Sel Sel;
typedef struct tag_Entry Entry;
struct tag_Sel
{
Evas_Object_Smart_Clipped_Data __clipped_data;
Evas_Object *self;
Evas_Object *clip, *o_event;
Ecore_Animator *anim;
Ecore_Timer *autozoom_timeout;
Eina_List *items;
double t_start, t_total;
double zoom, zoom0, zoom1;
double last_cmd;
double interp;
double orig_zoom;
Evas_Coord px, px0, px1;
Evas_Coord py, py0, py1;
int w, h;
struct {
Evas_Coord x, y;
unsigned char down : 1;
} down;
Config *config;
unsigned char select_me : 1;
unsigned char exit_me : 1;
unsigned char exit_on_sel : 1;
unsigned char exit_now : 1;
unsigned char pending_sel : 1;
unsigned char use_px : 1;
};
struct tag_Entry
{
Evas_Object *obj, *bg;
Term_Container *tc;
unsigned char selected : 1;
unsigned char selected_before : 1;
unsigned char selected_orig : 1;
unsigned char was_selected : 1;
};
static Evas_Smart *_smart = NULL;
static Evas_Smart_Class _parent_sc = EVAS_SMART_CLASS_INIT_NULL;
static void _smart_calculate(Evas_Object *obj);
static void _transit(Sel *sd, double tim);
static void
_mouse_down_cb(void *data,
Evas *_e EINA_UNUSED,
Evas_Object *_obj EINA_UNUSED,
void *event)
{
Evas_Event_Mouse_Down *ev = event;
Sel *sd = data;
EINA_SAFETY_ON_NULL_RETURN(sd);
if ((sd->exit_on_sel) || (sd->down.down) || (ev->button != 1))
{
return;
}
sd->down.x = ev->canvas.x;
sd->down.y = ev->canvas.y;
sd->down.down = EINA_TRUE;
}
static void
_mouse_up_cb(void *data,
Evas *_e EINA_UNUSED,
Evas_Object *_obj EINA_UNUSED,
void *event)
{
Evas_Event_Mouse_Up *ev = event;
Sel *sd = data;
Evas_Coord dx, dy;
Evas_Coord finger_size;
EINA_SAFETY_ON_NULL_RETURN(sd);
if ((sd->exit_on_sel) || (!sd->down.down))
{
return;
}
sd->down.down = EINA_FALSE;
dx = abs(ev->canvas.x - sd->down.x);
dy = abs(ev->canvas.y - sd->down.y);
finger_size = elm_config_finger_size_get();
if ((dx <= finger_size) &&
(dy <= finger_size))
{
Eina_List *l;
Entry *en;
Evas_Coord x, y, ox, oy, ow, oh;
x = ev->canvas.x;
y = ev->canvas.y;
EINA_LIST_FOREACH(sd->items, l, en)
{
evas_object_geometry_get(en->bg, &ox, &oy, &ow, &oh);
if (ELM_RECTS_INTERSECT(ox, oy, ow, oh, x, y, 1, 1))
{
sel_entry_selected_set(sd->self, en->obj, EINA_FALSE);
sd->select_me = EINA_TRUE;
sd->exit_me = EINA_FALSE;
if (sd->autozoom_timeout)
{
ecore_timer_del(sd->autozoom_timeout);
sd->autozoom_timeout = NULL;
}
evas_object_smart_callback_call(sd->self, "ending", NULL);
sel_zoom(sd->self, 1.0);
return;
}
}
evas_object_smart_callback_call(sd->self, "clicked", NULL);
}
}
static void
_mouse_move_cb(void *data,
Evas *_e EINA_UNUSED,
Evas_Object *_obj EINA_UNUSED,
void *event)
{
Evas_Event_Mouse_Move *ev = event;
Sel *sd = data;
EINA_SAFETY_ON_NULL_RETURN(sd);
Evas_Coord x = 0, y = 0, w = 0, h = 0, sw, sh;
int iw, ih;
if ((sd->exit_me) || (sd->exit_now) || (sd->select_me) || (sd->exit_on_sel))
return;
iw = sqrt(eina_list_count(sd->items));
if (iw < 1) iw = 1;
ih = DIV_ROUND_UP(eina_list_count(sd->items), iw);
if (ih < 1) ih = 1;
evas_object_geometry_get(sd->self, &x, &y, &w, &h);
sw = w * sd->zoom;
sh = h * sd->zoom;
if (!sd->down.down)
{
if ((w > 0) && (h > 0))
{
_transit(sd, 0.5);
sd->px1 = ((ev->cur.canvas.x - x) * ((iw - 1) * sw)) / w;
sd->py1 = ((ev->cur.canvas.y - y) * ((ih - 1) * sh)) / h;
sd->use_px = EINA_TRUE;
}
}
else
{
// XXX: drag to scroll
}
}
static Eina_Bool
_autozoom_reset(void *data)
{
Sel *sd = data;
EINA_SAFETY_ON_NULL_RETURN_VAL(sd, EINA_FALSE);
sd->autozoom_timeout = NULL;
sel_zoom(data, sd->orig_zoom);
return EINA_FALSE;
}
static void
_autozoom(Sel *sd)
{
double t = ecore_loop_time_get();
EINA_SAFETY_ON_NULL_RETURN(sd);
if ((t - sd->last_cmd) < 0.5)
{
sel_zoom(sd->self, sd->zoom * 0.9);
}
sd->last_cmd = t;
if (sd->autozoom_timeout)
{
ecore_timer_del(sd->autozoom_timeout);
}
sd->autozoom_timeout = ecore_timer_add(0.5, _autozoom_reset, sd);
}
void
sel_key_down(Evas_Object *obj,
Evas_Event_Key_Down *event)
{
Evas_Event_Key_Down *ev = event;
Sel *sd = evas_object_smart_data_get(obj);
Eina_List *l;
Entry *en;
EINA_SAFETY_ON_NULL_RETURN(sd);
if ((!strcmp(ev->key, "Next")) ||
(!strcmp(ev->key, "Right")))
{
EINA_LIST_FOREACH(sd->items, l, en)
{
if (en->selected)
{
if (l->next)
{
en = l->next->data;
sel_entry_selected_set(obj, en->obj, EINA_FALSE);
break;
}
else
{
return;
}
}
}
sd->exit_now = EINA_FALSE;
_autozoom(sd);
}
else if ((!strcmp(ev->key, "Prior")) ||
(!strcmp(ev->key, "Left")))
{
EINA_LIST_FOREACH(sd->items, l, en)
{
if (en->selected)
{
if (l->prev)
{
en = l->prev->data;
sel_entry_selected_set(obj, en->obj, EINA_FALSE);
break;
}
else
{
return;
}
}
}
sd->exit_now = EINA_FALSE;
_autozoom(sd);
}
else if (!strcmp(ev->key, "Up"))
{
EINA_LIST_FOREACH(sd->items, l, en)
{
if (en->selected)
{
Evas_Coord x = 0, y = 0, w = 0, h = 0, sgx, sgy;
Eina_Bool found = EINA_FALSE;
evas_object_geometry_get(en->bg, &x, &y, &w, &h);
sgx = x + (w / 2);
sgy = y - (h / 2);
EINA_LIST_FOREACH(sd->items, l, en)
{
evas_object_geometry_get(en->bg, &x, &y, &w, &h);
if (ELM_RECTS_INTERSECT(x, y, w, h, sgx, sgy, 1, 1))
{
sel_entry_selected_set(obj, en->obj, EINA_FALSE);
found = EINA_TRUE;
break;
}
}
if (found == EINA_FALSE)
{
return;
}
break;
}
}
sd->exit_now = EINA_FALSE;
_autozoom(sd);
}
else if (!strcmp(ev->key, "Down"))
{
EINA_LIST_FOREACH(sd->items, l, en)
{
if (en->selected)
{
Evas_Coord x = 0, y = 0, w = 0, h = 0, sgx, sgy;
Eina_Bool found = EINA_FALSE;
evas_object_geometry_get(en->bg, &x, &y, &w, &h);
sgx = x + (w / 2);
sgy = y + h + (h / 2);
EINA_LIST_FOREACH(sd->items, l, en)
{
evas_object_geometry_get(en->bg, &x, &y, &w, &h);
if (ELM_RECTS_INTERSECT(x, y, w, h, sgx, sgy, 1, 1))
{
sel_entry_selected_set(obj, en->obj, EINA_FALSE);
found = EINA_TRUE;
break;
}
}
if (found == EINA_FALSE)
{
return;
}
break;
}
}
sd->exit_now = EINA_FALSE;
_autozoom(sd);
}
else if ((!strcmp(ev->key, "Return")) ||
(!strcmp(ev->key, "KP_Enter")) ||
(!strcmp(ev->key, "space")))
{
sd->select_me = EINA_TRUE;
sd->exit_me = EINA_FALSE;
if (sd->autozoom_timeout)
{
ecore_timer_del(sd->autozoom_timeout);
sd->autozoom_timeout = NULL;
}
evas_object_smart_callback_call(obj, "ending", NULL);
sel_zoom(obj, 1.0);
}
else if (!strcmp(ev->key, "Escape"))
{
Evas_Object *entry = NULL;
EINA_LIST_FOREACH(sd->items, l, en)
{
if (en->selected_orig) entry = en->obj;
}
if (entry) sel_entry_selected_set(obj, entry, EINA_FALSE);
sd->select_me = EINA_FALSE;
sd->exit_me = EINA_TRUE;
if (sd->autozoom_timeout)
{
ecore_timer_del(sd->autozoom_timeout);
sd->autozoom_timeout = NULL;
}
evas_object_smart_callback_call(obj, "ending", NULL);
sel_zoom(obj, 1.0);
}
}
static void
_layout(Sel *sd)
{
int iw, ih, x, y;
Evas_Coord ox, oy, ow, oh, w, h, px, py, ww, hh;
Eina_List *l;
Entry *en;
EINA_SAFETY_ON_NULL_RETURN(sd);
iw = sqrt(eina_list_count(sd->items));
if (iw < 1) iw = 1;
ih = DIV_ROUND_UP(eina_list_count(sd->items), iw);
if (ih < 1) ih = 1;
evas_object_geometry_get(sd->self, &ox, &oy, &ow, &oh);
w = ow * sd->zoom;
h = oh * sd->zoom;
x = y = 0;
if (!sd->use_px)
{
EINA_LIST_FOREACH(sd->items, l, en)
{
if (en->selected_before)
{
sd->px0 = (x * w);
sd->py0 = (y * h);
}
if ((sd->exit_on_sel) && (!sd->exit_now))
{
if (en->selected_before)
{
sd->px1 = (x * w);
sd->py1 = (y * h);
}
}
else
{
if (en->selected)
{
sd->px1 = (x * w);
sd->py1 = (y * h);
}
}
x++;
if (x >= iw)
{
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 ((iw > 0) && (w > 0) && (ih > 0) && (h > 0))
{
ww = iw * w;
hh = ih * 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->items, l, en)
{
evas_object_move(en->bg, ox + (x * w) - px, oy + (y * h) - py);
evas_object_resize(en->bg, w, h);
evas_object_show(en->bg);
x++;
if (x >= iw)
{
x = 0;
y++;
}
}
if ((sd->w > 0) && (sd->h > 0) && (sd->pending_sel))
{
sd->pending_sel = EINA_FALSE;
EINA_LIST_FOREACH(sd->items, l, en)
{
if ((!en->was_selected) && (en->selected))
edje_object_signal_emit(en->bg, "selected", "terminology");
else if ((en->was_selected) && (!en->selected))
edje_object_signal_emit(en->bg, "unselected", "terminology");
}
}
}
static Eina_Bool
_anim_cb(void *data)
{
Sel *sd = data;
double t = 1.0;
EINA_SAFETY_ON_NULL_RETURN_VAL(sd, EINA_FALSE);
if (sd->t_total > 0.0)
{
t = (ecore_loop_time_get() - sd->t_start) / sd->t_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);
_layout(sd);
if (t >= 1.0)
{
sd->anim = NULL;
if ((sd->exit_on_sel) && (!sd->exit_now))
{
if (sd->autozoom_timeout)
{
ecore_timer_del(sd->autozoom_timeout);
sd->autozoom_timeout = NULL;
}
sd->exit_now = EINA_TRUE;
evas_object_smart_callback_call(sd->self, "ending", NULL);
sel_zoom(sd->self, 1.0);
return EINA_FALSE;
}
if ((sd->select_me) || (sd->exit_now))
{
Eina_List *l;
Entry *en;
Evas_Object *entry = NULL;
EINA_LIST_FOREACH(sd->items, l, en)
{
if (en->selected)
{
entry = en->obj;
}
}
if (entry)
{
evas_object_smart_callback_call(sd->self, "selected", entry);
}
}
else if (sd->exit_me)
{
evas_object_smart_callback_call(sd->self, "exit", NULL);
}
return EINA_FALSE;
}
return EINA_TRUE;
}
static void
_transit(Sel *sd, double tim)
{
EINA_SAFETY_ON_NULL_RETURN(sd);
sd->px0 = sd->px;
sd->py0 = sd->py;
sd->zoom0 = sd->zoom;
sd->t_start = ecore_loop_time_get();
sd->t_total = tim;
sd->interp = 0.0;
if (!sd->anim)
{
sd->anim = ecore_animator_add(_anim_cb, sd);
}
}
static void
_label_redo(Entry *en)
{
const char *s;
if (!en->obj || !en->tc)
return;
s = en->tc->title;
if (!s)
s = "Terminology";
edje_object_part_text_set(en->bg, "terminology.label", s);
}
void
sel_entry_title_set(void *entry, const char *title)
{
Entry *en = entry;
edje_object_part_text_set(en->bg, "terminology.label", title);
}
void
sel_entry_close(void *data)
{
Entry *en = data;
en->tc = NULL;
}
void
sel_entry_update(void *data)
{
Entry *en = data;
en->tc = evas_object_data_get(en->obj, "tc");
if (en->tc)
{
_label_redo(en);
}
}
static void
_entry_del_cb(void *data,
Evas *_e EINA_UNUSED,
Evas_Object *_obj EINA_UNUSED,
void *_info EINA_UNUSED)
{
Entry *en = data;
if (en->obj)
evas_object_event_callback_del_full(en->obj, EVAS_CALLBACK_DEL,
_entry_del_cb, en);
en->obj = NULL;
/*
if (en->termio)
{
evas_object_smart_callback_del_full(en->termio, "title,change",
_title_cb, en);
evas_object_smart_callback_del_full(en->termio, "icon,change",
_icon_cb, en);
evas_object_smart_callback_del_full(en->termio, "bell",
_bell_cb, en);
en->termio = NULL;
}
*/
}
static void
_smart_add(Evas_Object *obj)
{
Sel *sd;
Evas_Object *o;
sd = calloc(1, sizeof(Sel));
EINA_SAFETY_ON_NULL_RETURN(sd);
evas_object_smart_data_set(obj, sd);
_parent_sc.add(obj);
o = evas_object_rectangle_add(evas_object_evas_get(obj));
evas_object_smart_member_add(o, obj);
sd->clip = o;
evas_object_color_set(o, 255, 255, 255, 255);
}
static void
_smart_del(Evas_Object *obj)
{
Sel *sd = evas_object_smart_data_get(obj);
Entry *en;
if (!sd) return;
if (sd->clip) evas_object_del(sd->clip);
if (sd->o_event) evas_object_del(sd->o_event);
if (sd->anim) ecore_animator_del(sd->anim);
if (sd->autozoom_timeout) ecore_timer_del(sd->autozoom_timeout);
EINA_LIST_FREE(sd->items, en)
{
if (en->obj)
evas_object_event_callback_del_full(en->obj, EVAS_CALLBACK_DEL,
_entry_del_cb, en);
if (en->obj) evas_object_del(en->obj);
evas_object_del(en->bg);
free(en);
}
_parent_sc.del(obj);
free(sd);
}
static void
_smart_resize(Evas_Object *obj, Evas_Coord w, Evas_Coord h)
{
Sel *sd = evas_object_smart_data_get(obj);
Evas_Coord ow, oh;
if (!sd) return;
evas_object_geometry_get(obj, NULL, NULL, &ow, &oh);
if ((ow == w) && (oh == h)) return;
evas_object_smart_changed(obj);
}
static void
_smart_calculate(Evas_Object *obj)
{
Sel *sd = evas_object_smart_data_get(obj);
Evas_Coord ox, oy, ow, oh;
if (!sd) return;
evas_object_geometry_get(obj, &ox, &oy, &ow, &oh);
sd->w = ow;
sd->h = oh;
evas_object_move(sd->clip, ox, oy);
evas_object_resize(sd->clip, ow, oh);
evas_object_move(sd->o_event, ox, oy);
evas_object_resize(sd->o_event, ow, oh);
_layout(sd);
}
static void
_smart_move(Evas_Object *obj,
Evas_Coord _x EINA_UNUSED,
Evas_Coord _y EINA_UNUSED)
{
Sel *sd = evas_object_smart_data_get(obj);
if (!sd) return;
evas_object_smart_changed(obj);
}
static void
_smart_init(void)
{
static Evas_Smart_Class sc;
evas_object_smart_clipped_smart_set(&_parent_sc);
sc = _parent_sc;
sc.name = "sel";
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);
}
Evas_Object *
sel_add(Evas_Object *parent)
{
Evas *e;
Evas_Object *obj;
Sel *sd;
EINA_SAFETY_ON_NULL_RETURN_VAL(parent, NULL);
e = evas_object_evas_get(parent);
if (!e) return NULL;
if (!_smart) _smart_init();
obj = evas_object_smart_add(e, _smart);
sd = evas_object_smart_data_get(obj);
sd->self = obj;
sd->o_event = evas_object_rectangle_add(e);
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->clip);
evas_object_show(sd->o_event);
evas_object_event_callback_add(sd->o_event, EVAS_CALLBACK_MOUSE_DOWN,
_mouse_down_cb, sd);
evas_object_event_callback_add(sd->o_event, EVAS_CALLBACK_MOUSE_UP,
_mouse_up_cb, sd);
evas_object_event_callback_add(sd->o_event, EVAS_CALLBACK_MOUSE_MOVE,
_mouse_move_cb, sd);
sd->zoom = 1.0;
return obj;
}
void *
sel_entry_add(Evas_Object *obj, Evas_Object *entry,
Eina_Bool selected, Eina_Bool bell, Config *config)
{
Sel *sd = evas_object_smart_data_get(obj);
Entry *en = calloc(1, sizeof(Entry));
if (!en) return NULL;
sd->items = eina_list_append(sd->items, en);
sd->config = config;
en->obj = entry;
en->selected = selected;
en->selected_before = selected;
en->selected_orig = selected;
en->bg = edje_object_add(evas_object_evas_get(obj));
theme_apply(en->bg, config, "terminology/sel/item",
NULL, NULL, EINA_FALSE);
evas_object_smart_member_add(en->bg, obj);
evas_object_clip_set(en->bg, sd->clip);
edje_object_part_swallow(en->bg, "terminology.content", en->obj);
evas_object_show(en->obj);
evas_object_stack_below(en->bg, sd->o_event);
if (en->selected)
{
edje_object_signal_emit(en->bg, "selected,start", "terminology");
edje_object_message_signal_process(en->bg);
}
if (bell)
{
edje_object_signal_emit(en->bg, "bell", "terminology");
if (!config->bell_rings)
edje_object_signal_emit(en->bg, "bell,ring", "terminology");
edje_object_message_signal_process(en->bg);
}
sd->interp = 1.0;
en->tc = evas_object_data_get(en->obj, "tc");
if (en->tc)
{
_label_redo(en);
}
evas_object_event_callback_add(en->obj, EVAS_CALLBACK_DEL,
_entry_del_cb, en);
return en;
}
void
sel_go(Evas_Object *obj)
{
Sel *sd = evas_object_smart_data_get(obj);
Eina_List *l;
Entry *en;
EINA_SAFETY_ON_NULL_RETURN(sd);
_layout(sd);
evas_object_show(sd->clip);
EINA_LIST_FOREACH(sd->items, l, en)
{
if (en->selected)
{
evas_object_stack_below(en->bg, sd->o_event);
break;
}
}
}
void
sel_entry_selected_set(Evas_Object *obj, Evas_Object *entry, Eina_Bool keep_before)
{
Sel *sd = evas_object_smart_data_get(obj);
Eina_List *l;
Entry *en;
Config *config;
if (!sd) return;
config = sd->config;
if (!config) return;
/* Unselect previous selected item */
EINA_LIST_FOREACH(sd->items, l, en)
{
if ( (en->obj != entry) && (en->selected) )
{
if ((sd->w > 0) && (sd->h > 0))
edje_object_signal_emit(en->bg, "unselected", "terminology");
else
{
en->was_selected = EINA_TRUE;
sd->pending_sel = EINA_TRUE;
}
en->selected = EINA_FALSE;
sd->select_me = EINA_FALSE;
sd->exit_me = EINA_FALSE;
}
if (!keep_before) en->selected_before = EINA_FALSE;
}
/* Select new item */
EINA_LIST_FOREACH(sd->items, l, en)
{
if (en->obj == entry)
{
en->was_selected = EINA_FALSE;
en->selected = EINA_TRUE;
if ((sd->w > 0) && (sd->h > 0))
edje_object_signal_emit(en->bg, "selected", "terminology");
else
sd->pending_sel = EINA_TRUE;
evas_object_stack_below(en->bg, sd->o_event);
}
}
sd->use_px = EINA_FALSE;
_transit(sd, config->tab_zoom);
}
void
sel_zoom(Evas_Object *obj, double zoom)
{
Sel *sd = evas_object_smart_data_get(obj);
if (!sd) return;
Config *config = sd->config;
if (!config) return;
sd->zoom1 = zoom;
_transit(sd, config->tab_zoom);
}
void
sel_orig_zoom_set(Evas_Object *obj, double zoom)
{
Sel *sd = evas_object_smart_data_get(obj);
if (!sd) return;
sd->orig_zoom = zoom;
}
void
sel_exit(Evas_Object *obj)
{
Sel *sd = evas_object_smart_data_get(obj);
if (!sd) return;
sd->exit_on_sel = EINA_TRUE;
}