enlightenment/src/bin/e_widget_desk_preview.c

303 lines
6.9 KiB
C

/*
* vim:ts=8:sw=3:sts=8:noexpandtab:cino=>5n-3f0^-2{2
*/
#include "e.h"
typedef struct _E_Widget_Data E_Widget_Data;
struct _E_Widget_Data
{
Evas_Object *obj;
Evas_Object *aspect;
Evas_Object *table;
Evas_List *desks;
Ecore_Event_Handler *update_handler;
int w, h;
int cur_x, cur_y; /* currently drawn */
int desk_count_x, desk_count_y;
};
typedef struct _E_Widget_Desk_Data E_Widget_Desk_Data;
struct _E_Widget_Desk_Data
{
Evas_Object *thumb;
int container, zone;
int x, y;
};
static void _e_wid_reconfigure(E_Widget_Data *wd);
static void _e_wid_desk_cb_config(void *data, Evas *e, Evas_Object *obj, void *event_info);
static int _e_wid_cb_bg_update(void *data, int type, void *event);
static void
_e_wid_del_hook(Evas_Object *obj)
{
E_Widget_Data *wd;
Evas_List *l;
wd = e_widget_data_get(obj);
if (!wd) return;
if (wd->update_handler) ecore_event_handler_del(wd->update_handler);
for (l = wd->desks; l; l = l->next)
{
Evas_Object *o;
E_Widget_Desk_Data *dd;
o = l->data;
dd = e_widget_data_get(o);
e_thumb_icon_end(o);
}
evas_list_free(wd->desks);
free(wd);
}
static void
_e_wid_desk_del_hook(Evas_Object *obj)
{
E_Widget_Desk_Data *dd;
dd = e_widget_data_get(obj);
if (!dd) return;
free(dd);
}
EAPI void
e_widget_desk_preview_num_desks_set(Evas_Object *obj, int nx, int ny)
{
E_Widget_Data *wd;
wd = e_widget_data_get(obj);
if (!wd) return;
wd->desk_count_x = nx;
wd->desk_count_y = ny;
_e_wid_reconfigure(wd);
}
EAPI Evas_Object *
e_widget_deskpreview_desk_add(Evas *evas, E_Zone *zone, int x, int y, int tw, int th)
{
Evas_Object *overlay;
Evas_Object *obj, *o;
const char *bgfile;
E_Widget_Desk_Data *dd = NULL;
bgfile = e_bg_file_get(zone->container->num, zone->num, x, y);
/* wrap desks in a widget (to set min size) */
obj = e_widget_add(evas);
dd = calloc(1, sizeof(E_Widget_Desk_Data));
e_widget_data_set(obj, dd);
dd->container = zone->container->num;
dd->zone = zone->num;
dd->x = x;
dd->y = y;
e_widget_del_hook_set(obj, _e_wid_desk_del_hook);
o = edje_object_add(evas);
e_theme_edje_object_set(o, "base/theme/widgets", "e/widgets/deskpreview/desk");
e_widget_resize_object_set(obj, o);
evas_object_show(o);
e_widget_sub_object_add(obj, o);
overlay = o;
evas_object_event_callback_add(o, EVAS_CALLBACK_MOUSE_DOWN, _e_wid_desk_cb_config, dd);
o = e_thumb_icon_add(evas);
e_icon_fill_inside_set(o, 0);
e_thumb_icon_file_set(o, bgfile, "e/desktop/background");
e_thumb_icon_size_set(o, tw, th);
edje_object_part_swallow(overlay, "e.swallow.content", o);
e_thumb_icon_begin(o);
evas_object_show(o);
e_widget_sub_object_add(obj, o);
dd->thumb = o;
return obj;
}
static void
_e_wid_reconfigure(E_Widget_Data *wd)
{
Evas_List *l, *delete = NULL;
int x, y;
int aw, ah; /* available */
int mw, mh; /* min size for each desk */
int tw, th; /* size to thumb at */
int nx, ny;
E_Zone *zone;
if (wd->desk_count_x == wd->cur_x && wd->desk_count_y == wd->cur_y) return;
nx = wd->desk_count_x;
ny = wd->desk_count_y;
zone = e_zone_current_get(e_container_current_get(e_manager_current_get()));
evas_object_geometry_get(wd->table, NULL, NULL, &aw, &ah);
if (ny > nx)
{
mh = ah / ny;
mw = (mh * zone->w) / zone->h;
}
else
{
mw = aw / nx;
mh = (mw * zone->h) / zone->w;
}
/* this happens when aw == 0 */
if (!mw)
{
mw = 10;
mh = (mw * zone->h) / zone->w;
}
e_widget_aspect_aspect_set(wd->aspect, mw * nx, mh * ny);
if (mw < 50)
tw = 50;
else if (mw < 150)
tw = 150;
else
tw = 300;
th = (tw * zone->h) / zone->w;
for (l = wd->desks; l; l = l->next)
{
Evas_Object *dw = l->data;
E_Widget_Desk_Data *dd = e_widget_data_get(dw);
if (dd->x < nx && dd->y < ny)
{
e_widget_min_size_set(dw, mw, mh);
e_widget_table_object_repack(wd->table, dw, dd->x, dd->y, 1, 1, 1, 1, 1, 1);
e_thumb_icon_size_set(dd->thumb, tw, th);
e_thumb_icon_rethumb(dd->thumb);
}
else
{
delete = evas_list_append(delete, dw);
}
}
while (delete)
{
Evas_Object *dw = delete->data;
e_widget_table_unpack(wd->table, dw);
evas_object_del(dw);
wd->desks = evas_list_remove(wd->desks, dw);
delete = evas_list_remove_list(delete, delete);
}
for (y = 0; y < ny; y++)
{
int sx;
if (y >= wd->cur_y) sx = 0;
else sx = wd->cur_x;
for (x = sx; x < nx; x++)
{
Evas_Object *dw;
dw = e_widget_deskpreview_desk_add(evas_object_evas_get(wd->obj), zone, x, y, tw, th);
e_widget_min_size_set(dw, mw, mh);
e_widget_table_object_append(wd->table, dw, x, y, 1, 1, 1, 1, 1, 1);
wd->desks = evas_list_append(wd->desks, dw);
}
}
wd->cur_x = wd->desk_count_x;
wd->cur_y = wd->desk_count_y;
}
Evas_Object *
e_widget_desk_preview_add(Evas *evas, int nx, int ny)
{
Evas_Object *obj, *o;
E_Widget_Data *wd;
E_Zone *zone;
obj = e_widget_add(evas);
wd = calloc(1, sizeof(E_Widget_Data));
wd->obj = obj;
e_widget_data_set(obj, wd);
e_widget_del_hook_set(obj, _e_wid_del_hook);
zone = e_zone_current_get(e_container_current_get(e_manager_current_get()));
o = e_widget_aspect_add(evas, zone->w * nx, zone->h * ny);
e_widget_resize_object_set(wd->obj, o);
e_widget_sub_object_add(wd->obj, o);
evas_object_show(o);
wd->aspect = o;
o = e_widget_table_add(evas, 1);
e_widget_sub_object_add(wd->obj, o);
evas_object_show(o);
e_widget_aspect_child_set(wd->aspect, o);
wd->table = o;
e_widget_desk_preview_num_desks_set(obj, nx, ny);
wd->update_handler = ecore_event_handler_add(E_EVENT_BG_UPDATE, _e_wid_cb_bg_update, wd);
return obj;
}
static void
_e_wid_desk_cb_config(void *data, Evas *e, Evas_Object *obj, void *event_info)
{
E_Widget_Desk_Data *dd;
Evas_Event_Mouse_Down *ev;
dd = data;
ev = event_info;
if (ev->button == 1)
{
E_Container *con;
char buf[256];
con = e_container_current_get(e_manager_current_get());
snprintf(buf, sizeof(buf), "%i %i %i %i",
dd->container, dd->zone, dd->x, dd->y);
e_configure_registry_call("internal/desk", con, buf);
}
}
static int
_e_wid_cb_bg_update(void *data, int type, void *event)
{
E_Event_Bg_Update *ev;
E_Widget_Data *wd;
Evas_List *l;
if (type != E_EVENT_BG_UPDATE) return 1;
wd = data;
ev = event;
for (l = wd->desks; l; l = l->next)
{
Evas_Object *o;
E_Widget_Desk_Data *dd;
o = l->data;
dd = e_widget_data_get(o);
if (!dd)
continue;
if (((ev->container < 0) || (dd->container == ev->container)) &&
((ev->zone < 0) || (dd->zone == ev->zone)) &&
((ev->desk_x < 0) || (dd->x == ev->desk_x)) &&
((ev->desk_y < 0) || (dd->y == ev->desk_y)))
{
const char *bgfile = e_bg_file_get(dd->container, dd->zone, dd->x, dd->y);
e_thumb_icon_file_set(dd->thumb, bgfile, "e/desktop/background");
e_thumb_icon_rethumb(dd->thumb);
}
}
return 1;
}