efl/legacy/elementary/src/lib/elm_conform.c

663 lines
20 KiB
C

#include <Elementary.h>
#include "elm_priv.h"
#ifndef MIN
# define MIN(a,b) ((a) < (b)) ? (a) : (b)
#endif
#ifndef MAX
# define MAX(a,b) ((a) < (b)) ? (b) : (a)
#endif
typedef struct _Widget_Data Widget_Data;
struct _Widget_Data
{
Evas_Object *base;
Evas_Object *shelf, *panel, *virtualkeypad;
Evas_Object *content;
Evas_Object *scroller;
#ifdef HAVE_ELEMENTARY_X
Ecore_Event_Handler *prop_hdl;
Ecore_X_Virtual_Keyboard_State vkb_state;
#endif
struct
{
Ecore_Animator *animator; // animaton timer
double start; // time started
Evas_Coord auto_x, auto_y; // desired delta
Evas_Coord x, y; // current delta
} delta;
Ecore_Job *show_region_job;
};
/* Enum to identify conformant swallow parts */
typedef enum _Conformant_Part_Type Conformant_Part_Type;
enum _Conformant_Part_Type
{
ELM_CONFORM_INDICATOR_PART = 1,
ELM_CONFORM_SOFTKEY_PART = 2,
ELM_CONFORM_VIRTUAL_KEYPAD_PART = 4
};
#define SUB_TYPE_COUNT 2
static char *sub_type[SUB_TYPE_COUNT] = { "scroller", "genlist" };
/* local function prototypes */
static const char *widtype = NULL;
static void _del_pre_hook(Evas_Object *obj);
static void _del_hook(Evas_Object *obj);
static void _mirrored_set(Evas_Object *obj, Eina_Bool rtl);
static void _theme_hook(Evas_Object *obj);
static void _content_set_hook(Evas_Object *obj,
const char *part,
Evas_Object *content);
static Evas_Object *_content_get_hook(const Evas_Object *obj,
const char *part);
static Evas_Object *_content_unset_hook(Evas_Object *obj, const char *part);
static void _swallow_conformant_parts(Evas_Object *obj);
static void _conformant_part_size_set(Evas_Object *obj,
Evas_Object *sobj,
Evas_Coord sx,
Evas_Coord sy,
Evas_Coord sw,
Evas_Coord sh);
static void _conformant_part_sizing_eval(Evas_Object *obj,
Conformant_Part_Type part_type);
static void _conformant_move_resize_event_cb(void *data,
Evas *e,
Evas_Object *obj,
void *event_info);
static void _sizing_eval(Evas_Object *obj);
static void _show_region_job(void *data);
static Eina_Bool _prop_change(void *data, int type, void *event);
static void _changed_size_hints(void *data, Evas *e,
Evas_Object *obj,
void *event_info);
/* local functions */
static void
_del_pre_hook(Evas_Object *obj)
{
Widget_Data *wd = elm_widget_data_get(obj);
if (!wd) return;
#ifdef HAVE_ELEMENTARY_X
if (wd->prop_hdl) ecore_event_handler_del(wd->prop_hdl);
#endif
}
static void
_del_hook(Evas_Object *obj)
{
Widget_Data *wd = elm_widget_data_get(obj);
if (!wd) return;
if (wd->show_region_job) ecore_job_del(wd->show_region_job);
free(wd);
}
static void
_mirrored_set(Evas_Object *obj, Eina_Bool rtl)
{
Widget_Data *wd = elm_widget_data_get(obj);
if (!wd) return;
edje_object_mirrored_set(wd->base, rtl);
}
static void
_theme_hook(Evas_Object *obj)
{
Widget_Data *wd = elm_widget_data_get(obj);
if (!wd) return;
_elm_widget_mirrored_reload(obj);
_mirrored_set(obj, elm_widget_mirrored_get(obj));
_elm_theme_object_set(obj, wd->base, "conformant", "base",
elm_widget_style_get(obj));
_swallow_conformant_parts(obj);
if (wd->content)
edje_object_part_swallow(wd->base, "elm.swallow.content", wd->content);
edje_object_scale_set(wd->base, elm_widget_scale_get(obj)
* _elm_config->scale);
_sizing_eval(obj);
}
static void
_content_set_hook(Evas_Object *obj, const char *part, Evas_Object *content)
{
ELM_CHECK_WIDTYPE(obj, widtype);
Widget_Data *wd;
if (part && strcmp(part, "default")) return;
wd = elm_widget_data_get(obj);
if (!wd) return;
if (wd->content == content) return;
if (wd->content) evas_object_del(wd->content);
wd->content = content;
if (content)
{
elm_widget_sub_object_add(obj, content);
evas_object_event_callback_add(content,
EVAS_CALLBACK_CHANGED_SIZE_HINTS,
_changed_size_hints, obj);
edje_object_part_swallow(wd->base, "elm.swallow.content", content);
}
_sizing_eval(obj);
}
static Evas_Object *
_content_get_hook(const Evas_Object *obj, const char *part)
{
ELM_CHECK_WIDTYPE(obj, widtype) NULL;
Widget_Data *wd;
if (part && strcmp(part, "default")) return NULL;
wd = elm_widget_data_get(obj);
if (!wd) return NULL;
return wd->content;
}
static Evas_Object *
_content_unset_hook(Evas_Object *obj, const char *part)
{
ELM_CHECK_WIDTYPE(obj, widtype) NULL;
Widget_Data *wd;
Evas_Object *content;
if (part && strcmp(part, "default")) return NULL;
wd = elm_widget_data_get(obj);
if ((!wd) || (!wd->content)) return NULL;
content = wd->content;
elm_widget_sub_object_del(obj, wd->content);
evas_object_event_callback_del_full(wd->content,
EVAS_CALLBACK_CHANGED_SIZE_HINTS,
_changed_size_hints, obj);
edje_object_part_unswallow(wd->base, wd->content);
wd->content = NULL;
return content;
}
static void
_sizing_eval(Evas_Object *obj)
{
Widget_Data *wd = elm_widget_data_get(obj);
Evas_Coord mw = -1, mh = -1;
if (!wd) return;
edje_object_size_min_calc(wd->base, &mw, &mh);
evas_object_size_hint_min_set(obj, mw, mh);
evas_object_size_hint_max_set(obj, -1, -1);
}
/* Example of env vars:
* ILLUME_KBD="0, 0, 800, 301"
* ILLUME_IND=0,0,800,32
* ILLUME_STK="0,568,800,32
*/
static Eina_Bool
_conformant_part_geometry_env_get(const char *part, int *sx, int *sy, int *sw, int *sh)
{
const char delimiters[] = " ,;";
char *env_val, *token;
char buf[PATH_MAX];
int tsx, tsy, tsw;
if (!(env_val = getenv(part))) return EINA_FALSE;
/* strtok would modify env var if not copied to a buffer */
strncpy(buf, env_val, sizeof(buf));
token = strtok(buf, delimiters);
if (!token) return EINA_FALSE;
tsx = atoi(token);
token = strtok(NULL, delimiters);
if (!token) return EINA_FALSE;
tsy = atoi(token);
token = strtok(NULL, delimiters);
if (!token) return EINA_FALSE;
tsw = atoi(token);
token = strtok(NULL, delimiters);
if (!token) return EINA_FALSE;
*sh = atoi(token);
*sx = tsx;
*sy = tsy;
*sw = tsw;
return EINA_TRUE;
}
static void
_conformant_part_size_set(Evas_Object *obj, Evas_Object *sobj, Evas_Coord sx,
Evas_Coord sy, Evas_Coord sw, Evas_Coord sh)
{
Evas_Coord cx, cy, cw, ch;
Evas_Coord part_height = 0, part_width = 0;
evas_object_geometry_get(obj, &cx, &cy, &cw, &ch);
/* Part overlapping with conformant */
if ((cx < (sx + sw)) && ((cx + cw) > sx)
&& (cy < (sy + sh)) && ((cy + ch) > sy))
{
part_height = MIN((cy + ch), (sy + sh)) - MAX(cy, sy);
part_width = MIN((cx + cw), (sx + sw)) - MAX(cx, sx);
}
evas_object_size_hint_min_set(sobj, part_width, part_height);
evas_object_size_hint_max_set(sobj, part_width, part_height);
}
static void
_conformant_part_sizing_eval(Evas_Object *obj, Conformant_Part_Type part_type)
{
Ecore_X_Window zone = 0, xwin;
Evas_Object *top;
int sx = -1, sy = -1, sw = -1, sh = -1;
Widget_Data *wd = elm_widget_data_get(obj);
if (!wd) return;
top = elm_widget_top_get(obj);
#ifdef HAVE_ELEMENTARY_X
xwin = elm_win_xwindow_get(top);
if (xwin)
zone = ecore_x_e_illume_zone_get(xwin);
#endif
if (part_type & ELM_CONFORM_INDICATOR_PART)
{
if ((!_conformant_part_geometry_env_get("ILLUME_IND",
&sx, &sy, &sw, &sh)) && (xwin))
{
#ifdef HAVE_ELEMENTARY_X
//No information of the indicator geometry, reset the geometry.
if (!ecore_x_e_illume_indicator_geometry_get(zone, &sx, &sy, &sw, &sh))
sx = sy = sw = sh = 0;
#else
;
#endif
}
_conformant_part_size_set(obj, wd->shelf, sx, sy, sw, sh);
}
if (part_type & ELM_CONFORM_VIRTUAL_KEYPAD_PART)
{
if ((!_conformant_part_geometry_env_get("ILLUME_KBD",
&sx, &sy, &sw, &sh)) && (xwin))
{
#ifdef HAVE_ELEMENTARY_X
//No information of the keyboard geometry, reset the geometry.
if (!ecore_x_e_illume_keyboard_geometry_get(zone, &sx, &sy, &sw, &sh))
sx = sy = sw = sh = 0;
#else
;
#endif
}
_conformant_part_size_set(obj,wd->virtualkeypad, sx, sy, sw, sh);
}
if (part_type & ELM_CONFORM_SOFTKEY_PART)
{
if ((!_conformant_part_geometry_env_get("ILLUME_STK",
&sx, &sy, &sw, &sh)) && (xwin))
{
#ifdef HAVE_ELEMENTARY_X
//No information of the softkey geometry, reset the geometry.
if (!ecore_x_e_illume_softkey_geometry_get(zone, &sx, &sy, &sw, &sh))
sx = sy = sw = sh = 0;
#else
;
#endif
}
_conformant_part_size_set(obj, wd->panel, sx, sy, sw, sh);
}
}
static void
_swallow_conformant_parts(Evas_Object *obj)
{
Widget_Data *wd = elm_widget_data_get(obj);
wd->scroller = NULL;
if (!wd->shelf)
{
wd->shelf = evas_object_rectangle_add(evas_object_evas_get(obj));
elm_widget_sub_object_add(obj, wd->shelf);
evas_object_size_hint_min_set(wd->shelf, -1, 0);
evas_object_size_hint_max_set(wd->shelf, -1, 0);
}
else
_conformant_part_sizing_eval(obj, ELM_CONFORM_INDICATOR_PART);
evas_object_color_set(wd->shelf, 0, 0, 0, 0);
edje_object_part_swallow(wd->base, "elm.swallow.shelf", wd->shelf);
if (!wd->virtualkeypad)
{
wd->virtualkeypad = evas_object_rectangle_add(evas_object_evas_get(obj));
elm_widget_sub_object_add(obj, wd->virtualkeypad);
evas_object_size_hint_min_set(wd->virtualkeypad, -1, 0);
evas_object_size_hint_max_set(wd->virtualkeypad, -1, 0);
}
else
_conformant_part_sizing_eval(obj, ELM_CONFORM_VIRTUAL_KEYPAD_PART);
evas_object_color_set(wd->virtualkeypad, 0, 0, 0, 0);
edje_object_part_swallow(wd->base, "elm.swallow.virtualkeypad",
wd->virtualkeypad);
if (!wd->panel)
{
wd->panel = evas_object_rectangle_add(evas_object_evas_get(obj));
elm_widget_sub_object_add(obj, wd->panel);
evas_object_size_hint_min_set(wd->panel, -1, 0);
evas_object_size_hint_max_set(wd->panel, -1, 0);
}
else
_conformant_part_sizing_eval(obj, ELM_CONFORM_SOFTKEY_PART);
evas_object_color_set(wd->panel, 0, 0, 0, 0);
edje_object_part_swallow(wd->base, "elm.swallow.panel", wd->panel);
}
static void
_changed_size_hints(void *data, Evas *e __UNUSED__,
Evas_Object *obj __UNUSED__,
void *event_info __UNUSED__)
{
Widget_Data *wd = elm_widget_data_get(data);
if (!wd) return;
_sizing_eval(data);
}
static void
_sub_del(void *data __UNUSED__, Evas_Object *obj, void *event_info)
{
Widget_Data *wd = elm_widget_data_get(obj);
Evas_Object *sub = event_info;
if (!wd) return;
if (sub == wd->content)
{
evas_object_event_callback_del_full(sub,
EVAS_CALLBACK_CHANGED_SIZE_HINTS,
_changed_size_hints, obj);
wd->content = NULL;
_sizing_eval(obj);
}
}
/* unused now - but meant to be for making sure the focused widget is always
* visible when the vkbd comes and goes by moving the conformant obj (and thus
* its children) to show the focused widget (and if focus changes follow)
static Evas_Object *
_focus_object_get(const Evas_Object *obj)
{
Evas_Object *win, *foc;
win = elm_widget_top_get(obj);
if (!win) return NULL;
foc = elm_widget_top_get(win);
}
static void
_focus_object_region_get(const Evas_Object *obj, Evas_Coord *x, Evas_Coord *y, Evas_Coord *w, Evas_Coord *h)
{
evas_object_geometry_get(obj, x, y, w, h);
}
static void
_focus_change_del(void *data, Evas_Object *obj, void *event_info)
{
// called from toplevel when the focused window shanges
}
static void
_autoscroll_move(Evas_Object *obj)
{
// move conformant edje by delta to show focused widget
}
static void
_autoscroll_mode_enable(Evas_Object *obj)
{
// called when autoscroll mode should be on - content area smaller than
// its min size
// 1. get focused object
// 2. if not in visible conformant area calculate delta needed to
// get it in
// 3. store delta and call _autoscroll_move() which either asanimates
// or jumps right there
}
static void
_autoscroll_mode_disable(Evas_Object *obj)
{
// called when autoscroll mode should be off - set delta to 0 and
// call _autoscroll_move()
}
*/
static void
_conformant_move_resize_event_cb(void *data __UNUSED__, Evas *e __UNUSED__,
Evas_Object *obj, void *event_info __UNUSED__)
{
Conformant_Part_Type part_type;
Widget_Data *wd = elm_widget_data_get(obj);
if (!wd) return;
part_type = (ELM_CONFORM_INDICATOR_PART |
ELM_CONFORM_SOFTKEY_PART |
ELM_CONFORM_VIRTUAL_KEYPAD_PART);
_conformant_part_sizing_eval(obj, part_type);
}
// showing the focused/important region.
static void
_content_resize_event_cb(void *data, Evas *e __UNUSED__, Evas_Object *obj
__UNUSED__, void *event_info __UNUSED__)
{
Evas_Object *conformant = (Evas_Object *)data;
Widget_Data *wd = elm_widget_data_get(conformant);
if (!wd) return;
#ifdef HAVE_ELEMENTARY_X
if (wd->vkb_state == ECORE_X_VIRTUAL_KEYBOARD_STATE_OFF) return;
#endif
if (wd->show_region_job) ecore_job_del(wd->show_region_job);
wd->show_region_job = ecore_job_add(_show_region_job, conformant);
}
static void
_show_region_job(void *data)
{
Evas_Object *focus_obj;
Evas_Object *conformant = (Evas_Object *)data;
Widget_Data *wd = elm_widget_data_get(conformant);
if (!wd) return;
focus_obj = elm_widget_focused_object_get(conformant);
if (focus_obj)
{
Evas_Coord x, y, w, h;
elm_widget_show_region_get(focus_obj, &x, &y, &w, &h);
if (h < _elm_config->finger_size)
h = _elm_config->finger_size;
elm_widget_show_region_set(focus_obj, x, y, w, h, EINA_TRUE);
}
wd->show_region_job = NULL;
}
#ifdef HAVE_ELEMENTARY_X
static void
_update_autoscroll_objs(void *data)
{
const char *type;
int i;
Evas_Object *sub, *top_scroller = NULL;
Evas_Object *conformant = (Evas_Object *)data;
Widget_Data *wd = elm_widget_data_get(data);
if (!wd) return;
sub = elm_widget_focused_object_get(conformant);
//Look up for Top most scroller in the Focus Object hierarchy inside Conformant.
while (sub)
{
type = elm_widget_type_get(sub);
if (!strcmp(type, "conformant")) break;
for (i = 0; i < SUB_TYPE_COUNT; i++)
if (!strcmp(type, sub_type[i]))
{
top_scroller = sub;
break;
}
sub = elm_object_parent_widget_get(sub);
}
//If the scroller got changed by app, replace it.
if (top_scroller != wd->scroller)
{
if (wd->scroller) evas_object_event_callback_del(wd->scroller,
EVAS_CALLBACK_RESIZE,
_content_resize_event_cb);
wd->scroller = top_scroller;
if (wd->scroller) evas_object_event_callback_add(wd->scroller,
EVAS_CALLBACK_RESIZE,
_content_resize_event_cb,
data);
}
}
static Eina_Bool
_prop_change(void *data, int type __UNUSED__, void *event)
{
Ecore_X_Event_Window_Property *ev;
Widget_Data *wd = elm_widget_data_get(data);
if (!wd) return ECORE_CALLBACK_PASS_ON;
ev = event;
if (ev->atom == ECORE_X_ATOM_E_ILLUME_ZONE)
{
Conformant_Part_Type part_type;
part_type = (ELM_CONFORM_INDICATOR_PART |
ELM_CONFORM_SOFTKEY_PART |
ELM_CONFORM_VIRTUAL_KEYPAD_PART);
_conformant_part_sizing_eval(data, part_type);
}
else if (ev->atom == ECORE_X_ATOM_E_ILLUME_INDICATOR_GEOMETRY)
_conformant_part_sizing_eval(data, ELM_CONFORM_INDICATOR_PART);
else if (ev->atom == ECORE_X_ATOM_E_ILLUME_SOFTKEY_GEOMETRY)
_conformant_part_sizing_eval(data, ELM_CONFORM_SOFTKEY_PART);
else if (ev->atom == ECORE_X_ATOM_E_ILLUME_KEYBOARD_GEOMETRY)
_conformant_part_sizing_eval(data, ELM_CONFORM_VIRTUAL_KEYPAD_PART);
else if (ev->atom == ECORE_X_ATOM_E_VIRTUAL_KEYBOARD_STATE)
{
Ecore_X_Window zone;
printf("Keyboard Geometry Changed\n");
zone = ecore_x_e_illume_zone_get(ev->win);
wd->vkb_state = ecore_x_e_virtual_keyboard_state_get(zone);
if (wd->vkb_state == ECORE_X_VIRTUAL_KEYBOARD_STATE_OFF)
{
evas_object_size_hint_min_set(wd->virtualkeypad, -1, 0);
evas_object_size_hint_max_set(wd->virtualkeypad, -1, 0);
}
else
_update_autoscroll_objs(data);
}
return ECORE_CALLBACK_PASS_ON;
}
#endif
EAPI Evas_Object *
elm_conformant_add(Evas_Object *parent)
{
Evas_Object *obj;
Evas *e;
Widget_Data *wd;
ELM_WIDGET_STANDARD_SETUP(wd, Widget_Data, parent, e, obj, NULL);
ELM_SET_WIDTYPE(widtype, "conformant");
elm_widget_type_set(obj, "conformant");
elm_widget_sub_object_add(parent, obj);
elm_widget_data_set(obj, wd);
elm_widget_del_pre_hook_set(obj, _del_pre_hook);
elm_widget_del_hook_set(obj, _del_hook);
elm_widget_theme_hook_set(obj, _theme_hook);
elm_widget_can_focus_set(obj, EINA_FALSE);
elm_widget_content_set_hook_set(obj, _content_set_hook);
elm_widget_content_get_hook_set(obj, _content_get_hook);
elm_widget_content_unset_hook_set(obj, _content_unset_hook);
wd->base = edje_object_add(e);
_elm_theme_object_set(obj, wd->base, "conformant", "base", "default");
elm_widget_resize_object_set(obj, wd->base);
_swallow_conformant_parts(obj);
#ifdef HAVE_ELEMENTARY_X
Evas_Object *top = elm_widget_top_get(obj);
Ecore_X_Window xwin = elm_win_xwindow_get(top);
if ((xwin) && (!elm_win_inlined_image_object_get(top)))
{
wd->prop_hdl = ecore_event_handler_add(ECORE_X_EVENT_WINDOW_PROPERTY,
_prop_change, obj);
wd->vkb_state = ECORE_X_VIRTUAL_KEYBOARD_STATE_OFF;
}
// FIXME: get kbd region prop
#endif
evas_object_event_callback_add(obj, EVAS_CALLBACK_RESIZE,
_conformant_move_resize_event_cb, obj);
evas_object_event_callback_add(obj, EVAS_CALLBACK_MOVE,
_conformant_move_resize_event_cb, obj);
evas_object_smart_callback_add(obj, "sub-object-del", _sub_del, obj);
_mirrored_set(obj, elm_widget_mirrored_get(obj));
_sizing_eval(obj);
return obj;
}
EINA_DEPRECATED EAPI void
elm_conformant_content_set(Evas_Object *obj, Evas_Object *content)
{
_content_set_hook(obj, NULL, content);
}
EINA_DEPRECATED EAPI Evas_Object *
elm_conformant_content_get(const Evas_Object *obj)
{
return _content_get_hook(obj, NULL);
}
EINA_DEPRECATED EAPI Evas_Object *
elm_conformant_content_unset(Evas_Object *obj)
{
return _content_unset_hook(obj, NULL);
}
EINA_DEPRECATED EAPI Evas_Object *
elm_conformant_content_area_get(const Evas_Object *obj)
{
ELM_CHECK_WIDTYPE(obj, widtype) NULL;
Widget_Data *wd = elm_widget_data_get(obj);
if (!wd) return NULL;
/*Finger waggle warning*/
_elm_dangerous_call_check(__FUNCTION__);
return (Evas_Object *)edje_object_part_object_get(wd->base, "elm.swallow.content");
}