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efl/legacy/evas/src/lib/canvas/evas_object_main.c

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#include "evas_common.h"
#include "evas_private.h"
/* FIXME: this broken e17's mouse cursor - need to figure out why */
/* uncomment the next line if smart objects should be informed
* if they are moved to the position they are already in
* (e.g. if they are in 0,0 and you call evas_object_move(o, 0, 0)
*/
//#define FORWARD_NOOP_MOVES_TO_SMART_OBJS
/* likewise, for resizes
*/
//#define FORWARD_NOOP_RESIZES_TO_SMART_OBJS
static Evas_Object_List *
get_layer_objects_last(Evas_Layer *l)
{
if( !l || !l->objects ) return NULL;
return ((Evas_Object_List *)(l->objects))->last;
}
/* evas internal stuff */
Evas_Object *
evas_object_new(void)
{
Evas_Object *obj;
obj = calloc(1, sizeof(Evas_Object));
if (!obj) return NULL;
obj->magic = MAGIC_OBJ;
return obj;
}
void
evas_object_free(Evas_Object *obj, int clean_layer)
{
int was_smart_child = 0;
evas_object_grabs_cleanup(obj);
evas_object_intercept_cleanup(obj);
if (obj->smart.parent) was_smart_child = 1;
evas_object_smart_cleanup(obj);
obj->func->free(obj);
if (!was_smart_child) evas_object_release(obj, clean_layer);
if (obj->clip.clipees)
evas_list_free(obj->clip.clipees);
while (obj->clip.changes)
{
Evas_Rectangle *r;
r = (Evas_Rectangle *)obj->clip.changes->data;
obj->clip.changes = evas_list_remove(obj->clip.changes, r);
free(r);
}
evas_object_event_callback_all_del(obj);
evas_object_event_callback_cleanup(obj);
while (obj->data.elements)
{
Evas_Data_Node *node;
node = obj->data.elements->data;
obj->data.elements = evas_list_remove(obj->data.elements, node);
free(node);
}
obj->magic = 0;
if (obj->size_hints) free(obj->size_hints);
free(obj);
}
void
evas_object_change(Evas_Object *obj)
{
Evas_List *l;
obj->layer->evas->changed = 1;
if (obj->changed) return;
evas_render_object_recalc(obj);
/* set changed flag on all objects this one clips too */
for (l = obj->clip.clipees; l; l = l->next)
evas_object_change((Evas_Object *)l->data);
if (obj->smart.parent) evas_object_change(obj->smart.parent);
}
Evas_List *
evas_object_render_pre_visible_change(Evas_List *updates, Evas_Object *obj, int is_v, int was_v)
{
Evas_Rectangle *r;
if (obj->smart.smart) return updates;
if (is_v == was_v) return updates;
if (is_v)
{
NEW_RECT(r,
obj->cur.cache.clip.x,
obj->cur.cache.clip.y,
obj->cur.cache.clip.w,
obj->cur.cache.clip.h);
if (r) updates = evas_list_append(updates, r);
}
else
{
NEW_RECT(r,
obj->prev.cache.clip.x,
obj->prev.cache.clip.y,
obj->prev.cache.clip.w,
obj->prev.cache.clip.h);
if (r) updates = evas_list_append(updates, r);
}
return updates;
}
Evas_List *
evas_object_render_pre_clipper_change(Evas_List *updates, Evas_Object *obj)
{
Evas_Rectangle *r;
Evas_List *rl;
if (obj->smart.smart) return updates;
if (obj->cur.clipper == obj->prev.clipper) return updates;
if ((obj->cur.clipper) && (obj->prev.clipper))
{
/* get difference rects between clippers */
rl = evas_rects_return_difference_rects(obj->cur.clipper->cur.cache.clip.x,
obj->cur.clipper->cur.cache.clip.y,
obj->cur.clipper->cur.cache.clip.w,
obj->cur.clipper->cur.cache.clip.h,
obj->prev.clipper->prev.cache.clip.x,
obj->prev.clipper->prev.cache.clip.y,
obj->prev.clipper->prev.cache.clip.w,
obj->prev.clipper->prev.cache.clip.h);
/* go thru every difference rect */
while (rl)
{
r = rl->data;
rl = evas_list_remove(rl, r);
updates = evas_list_append(updates, r);
}
}
else if (obj->cur.clipper)
{
rl = evas_rects_return_difference_rects(obj->cur.geometry.x,
obj->cur.geometry.y,
obj->cur.geometry.w,
obj->cur.geometry.h,
//// rl = evas_rects_return_difference_rects(obj->cur.cache.geometry.x,
//// obj->cur.cache.geometry.y,
//// obj->cur.cache.geometry.w,
//// obj->cur.cache.geometry.h,
obj->cur.clipper->cur.cache.clip.x,
obj->cur.clipper->cur.cache.clip.y,
obj->cur.clipper->cur.cache.clip.w,
obj->cur.clipper->cur.cache.clip.h);
while (rl)
{
r = rl->data;
rl = evas_list_remove(rl, r);
updates = evas_list_append(updates, r);
}
}
else if (obj->prev.clipper)
{
rl = evas_rects_return_difference_rects(obj->prev.geometry.x,
obj->prev.geometry.y,
obj->prev.geometry.w,
obj->prev.geometry.h,
//// rl = evas_rects_return_difference_rects(obj->prev.cache.geometry.x,
//// obj->prev.cache.geometry.y,
//// obj->prev.cache.geometry.w,
//// obj->prev.cache.geometry.h,
obj->prev.clipper->prev.cache.clip.x,
obj->prev.clipper->prev.cache.clip.y,
obj->prev.clipper->prev.cache.clip.w,
obj->prev.clipper->prev.cache.clip.h);
while (rl)
{
r = rl->data;
rl = evas_list_remove(rl, r);
updates = evas_list_append(updates, r);
}
}
return updates;
}
Evas_List *
evas_object_render_pre_prev_cur_add(Evas_List *updates, Evas_Object *obj)
{
Evas_Rectangle *r;
NEW_RECT(r,
obj->cur.geometry.x,
obj->cur.geometry.y,
obj->cur.geometry.w,
obj->cur.geometry.h);
//// obj->cur.cache.geometry.x,
//// obj->cur.cache.geometry.y,
//// obj->cur.cache.geometry.w,
//// obj->cur.cache.geometry.h);
if (r) updates = evas_list_append(updates, r);
NEW_RECT(r,
obj->prev.geometry.x,
obj->prev.geometry.y,
obj->prev.geometry.w,
obj->prev.geometry.h);
//// obj->prev.cache.geometry.x,
//// obj->prev.cache.geometry.y,
//// obj->prev.cache.geometry.w,
//// obj->prev.cache.geometry.h);
if (r) updates = evas_list_append(updates, r);
return updates;
}
void
evas_object_render_pre_effect_updates(Evas_List *updates, Evas_Object *obj, int is_v, int was_v)
{
Evas_Rectangle *r;
int x, y, w, h;
Evas_Object *clipper;
Evas_List *l;
if (obj->smart.smart) return;
/* FIXME: was_v isn't used... why? */
was_v = 0;
if (!obj->clip.clipees)
{
while (updates)
{
r = (Evas_Rectangle *)(updates->data);
updates = evas_list_remove(updates, r);
/* get updates and clip to current clip */
x = r->x; y = r->y; w = r->w; h = r->h;
RECTS_CLIP_TO_RECT(x, y, w, h,
obj->cur.cache.clip.x,
obj->cur.cache.clip.y,
obj->cur.cache.clip.w,
obj->cur.cache.clip.h);
if ((w > 0) && (h > 0))
obj->layer->evas->engine.func->output_redraws_rect_add(obj->layer->evas->engine.data.output,
x, y, w, h);
/* get updates and clip to previous clip */
x = r->x; y = r->y; w = r->w; h = r->h;
RECTS_CLIP_TO_RECT(x, y, w, h,
obj->prev.cache.clip.x,
obj->prev.cache.clip.y,
obj->prev.cache.clip.w,
obj->prev.cache.clip.h);
if ((w > 0) && (h > 0))
obj->layer->evas->engine.func->output_redraws_rect_add(obj->layer->evas->engine.data.output,
x, y, w, h);
free(r);
r = NULL;
}
/* if the object is actually visible, take any parent clip changes */
if (is_v)
{
clipper = obj->cur.clipper;
while (clipper)
{
for (l = clipper->clip.changes; l; l = l->next)
{
r = (Evas_Rectangle *)(l->data);
/* get updates and clip to current clip */
x = r->x; y = r->y; w = r->w; h = r->h;
RECTS_CLIP_TO_RECT(x, y, w, h,
obj->cur.cache.clip.x,
obj->cur.cache.clip.y,
obj->cur.cache.clip.w,
obj->cur.cache.clip.h);
if ((w > 0) && (h > 0))
obj->layer->evas->engine.func->output_redraws_rect_add(obj->layer->evas->engine.data.output,
x, y, w, h);
/* get updates and clip to previous clip */
x = r->x; y = r->y; w = r->w; h = r->h;
RECTS_CLIP_TO_RECT(x, y, w, h,
obj->prev.cache.clip.x,
obj->prev.cache.clip.y,
obj->prev.cache.clip.w,
obj->prev.cache.clip.h);
if ((w > 0) && (h > 0))
obj->layer->evas->engine.func->output_redraws_rect_add(obj->layer->evas->engine.data.output,
x, y, w, h);
}
clipper = clipper->cur.clipper;
}
}
}
else
{
while (obj->clip.changes)
{
free(obj->clip.changes->data);
obj->clip.changes = evas_list_remove(obj->clip.changes, obj->clip.changes->data);
}
obj->clip.changes = updates;
}
}
int
evas_object_was_in_output_rect(Evas_Object *obj, int x, int y, int w, int h)
{
if (obj->smart.smart) return 0;
/* assumes coords have been recalced */
if ((RECTS_INTERSECT(x, y, w, h,
obj->prev.cache.clip.x,
obj->prev.cache.clip.y,
obj->prev.cache.clip.w,
obj->prev.cache.clip.h)))
return 1;
return 0;
}
int
evas_object_was_visible(Evas_Object *obj)
{
if (obj->smart.smart) return 0;
if ((obj->prev.visible) &&
(obj->prev.cache.clip.visible) &&
(obj->prev.cache.clip.a > 0))
{
if (obj->func->was_visible)
return obj->func->was_visible(obj);
return 1;
}
return 0;
}
int
evas_object_was_opaque(Evas_Object *obj)
{
if (obj->smart.smart) return 0;
if (obj->prev.cache.clip.a == 255)
{
if (obj->func->was_opaque)
return obj->func->was_opaque(obj);
return 1;
}
return 0;
}
int
evas_object_is_inside(Evas_Object *obj, Evas_Coord x, Evas_Coord y)
{
if (obj->smart.smart) return 0;
if (obj->func->is_inside)
return obj->func->is_inside(obj, x, y);
return 0;
}
int
evas_object_was_inside(Evas_Object *obj, Evas_Coord x, Evas_Coord y)
{
if (obj->smart.smart) return 0;
if (obj->func->was_inside)
return obj->func->was_inside(obj, x, y);
return 0;
}
/* routines apps will call */
/**
* @defgroup Evas_Object_Group Generic Object Functions
*
* Functions that manipulate generic evas objects.
*/
/**
* Deletes the given evas object and frees its memory.
*
* The object's 'free' callback is called when this function is called.
* If the object currently has the focus, its 'focus out' callback is
* also called.
*
* @param obj The given evas object.
* @ingroup Evas_Object_Group
*/
EAPI void
evas_object_del(Evas_Object *obj)
{
MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ);
return;
MAGIC_CHECK_END();
if (obj->delete_me) return;
evas_object_event_callback_call(obj, EVAS_CALLBACK_DEL, NULL);
if (obj->name) evas_object_name_set(obj, NULL);
if (!obj->layer)
{
evas_object_free(obj, 1);
return;
}
if (obj->focused)
{
obj->focused = 0;
obj->layer->evas->focused = NULL;
evas_object_event_callback_call(obj, EVAS_CALLBACK_FOCUS_OUT, NULL);
}
obj->layer->evas->pointer.mouse_grabbed -= obj->mouse_grabbed;
obj->mouse_grabbed = 0;
evas_object_hide(obj);
evas_object_grabs_cleanup(obj);
while (obj->clip.clipees) evas_object_clip_unset(obj->clip.clipees->data);
if (obj->cur.clipper) evas_object_clip_unset(obj);
if (obj->smart.smart) evas_object_smart_del(obj);
evas_object_event_callback_call(obj, EVAS_CALLBACK_FREE, NULL);
evas_object_smart_cleanup(obj);
obj->delete_me = 1;
evas_object_change(obj);
}
/**
* Moves the given evas object to the given location.
* @param obj The given evas object.
* @param x X position to move the object to, in canvas units.
* @param y Y position to move the object to, in canvas units.
* @ingroup Evas_Object_Group
*/
EAPI void
evas_object_move(Evas_Object *obj, Evas_Coord x, Evas_Coord y)
{
int is, was = 0, pass = 0;
MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ);
return;
MAGIC_CHECK_END();
if (obj->delete_me) return;
if (evas_object_intercept_call_move(obj, x, y)) return;
#ifdef FORWARD_NOOP_MOVES_TO_SMART_OBJS
if (obj->smart.smart)
{
if (obj->smart.smart->smart_class->move)
obj->smart.smart->smart_class->move(obj, x, y);
}
#endif
if ((obj->cur.geometry.x == x) &&
(obj->cur.geometry.y == y))
{
evas_object_inform_call_move(obj);
return;
}
#ifndef FORWARD_NOOP_MOVES_TO_SMART_OBJS
if (obj->smart.smart)
{
if (obj->smart.smart->smart_class->move)
obj->smart.smart->smart_class->move(obj, x, y);
}
#endif
if (obj->layer->evas->events_frozen <= 0)
{
pass = evas_event_passes_through(obj);
if (!pass)
was = evas_object_is_in_output_rect(obj,
obj->layer->evas->pointer.x,
obj->layer->evas->pointer.y, 1, 1);
}
obj->cur.geometry.x = x;
obj->cur.geometry.y = y;
//// obj->cur.cache.geometry.validity = 0;
evas_object_change(obj);
evas_object_clip_dirty(obj);
if (obj->layer->evas->events_frozen <= 0)
{
evas_object_recalc_clippees(obj);
if (!pass)
{
if (!obj->smart.smart)
{
is = evas_object_is_in_output_rect(obj,
obj->layer->evas->pointer.x,
obj->layer->evas->pointer.y, 1, 1);
if ((is ^ was) && obj->cur.visible)
evas_event_feed_mouse_move(obj->layer->evas,
obj->layer->evas->pointer.x,
obj->layer->evas->pointer.y,
obj->layer->evas->last_timestamp,
NULL);
}
}
}
evas_object_inform_call_move(obj);
}
/**
* Changes the size of the given evas object.
* @param obj The given evas object.
* @param w The new width of the evas object.
* @param h The new height of the evas object.
* @ingroup Evas_Object_Group
*/
EAPI void
evas_object_resize(Evas_Object *obj, Evas_Coord w, Evas_Coord h)
{
int is, was = 0, pass = 0;
MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ);
return;
MAGIC_CHECK_END();
if (obj->delete_me) return;
if (w < 0.0) w = 0.0; if (h < 0.0) h = 0.0;
if (evas_object_intercept_call_resize(obj, w, h)) return;
#ifdef FORWARD_NOOP_RESIZES_TO_SMART_OBJS
if (obj->smart.smart)
{
if (obj->smart.smart->smart_class->resize)
obj->smart.smart->smart_class->resize(obj, w, h);
}
#endif
if ((obj->cur.geometry.w == w) &&
(obj->cur.geometry.h == h))
{
evas_object_inform_call_resize(obj);
return;
}
#ifndef FORWARD_NOOP_RESIZES_TO_SMART_OBJS
if (obj->smart.smart)
{
if (obj->smart.smart->smart_class->resize)
obj->smart.smart->smart_class->resize(obj, w, h);
}
#endif
if (obj->layer->evas->events_frozen <= 0)
{
pass = evas_event_passes_through(obj);
if (!pass)
was = evas_object_is_in_output_rect(obj,
obj->layer->evas->pointer.x,
obj->layer->evas->pointer.y, 1, 1);
}
obj->cur.geometry.w = w;
obj->cur.geometry.h = h;
//// obj->cur.cache.geometry.validity = 0;
evas_object_change(obj);
evas_object_clip_dirty(obj);
evas_object_recalc_clippees(obj);
if (obj->layer->evas->events_frozen <= 0)
{
// if (obj->func->coords_recalc) obj->func->coords_recalc(obj);
if (!pass)
{
if (!obj->smart.smart)
{
is = evas_object_is_in_output_rect(obj,
obj->layer->evas->pointer.x,
obj->layer->evas->pointer.y, 1, 1);
if ((is ^ was) && (obj->cur.visible))
evas_event_feed_mouse_move(obj->layer->evas,
obj->layer->evas->pointer.x,
obj->layer->evas->pointer.y,
obj->layer->evas->last_timestamp,
NULL);
}
}
}
evas_object_inform_call_resize(obj);
}
/**
* Retrieves the position and rectangular size of the given evas object.
*
* Note that if any of @p x, @p y, @p w or @p h are @c NULL, the @c NULL
* parameters are ignored.
*
* @param obj The given evas object.
* @param x Pointer to an integer in which to store the X coordinate of
* the object.
* @param y Pointer to an integer in which to store the Y coordinate of
* the object.
* @param w Pointer to an integer in which to store the width of the
* object.
* @param h Pointer to an integer in which to store the height of the
* object.
* @ingroup Evas_Object_Group
*/
EAPI void
evas_object_geometry_get(const Evas_Object *obj, Evas_Coord *x, Evas_Coord *y, Evas_Coord *w, Evas_Coord *h)
{
MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ);
if (x) *x = 0; if (y) *y = 0; if (w) *w = 0; if (h) *h = 0;
return;
MAGIC_CHECK_END();
if (obj->delete_me)
{
if (x) *x = 0; if (y) *y = 0; if (w) *w = 0; if (h) *h = 0;
return;
}
if (x) *x = obj->cur.geometry.x;
if (y) *y = obj->cur.geometry.y;
if (w) *w = obj->cur.geometry.w;
if (h) *h = obj->cur.geometry.h;
}
/**
* @defgroup Evas_Object_Size_Hints_Group Generic Object Size Hints Functions
*
* Functions that deals with hints about object size.
*/
/**
* Retrieves the size hint for the minimum size.
*
* This is not a size enforcement in any way, it's just a hint that should
* be used whenever appropriate.
*
* Note that if any of @p w or @p h are @c NULL, the @c NULL
* parameters are ignored.
*
* @param obj The given evas object.
* @param w Pointer to an integer in which to store the minimum width.
* @param h Pointer to an integer in which to store the minimum height.
* @ingroup Evas_Object_Size_Hints_Group
*/
EAPI void
evas_object_size_hint_min_get(const Evas_Object *obj, Evas_Coord *w, Evas_Coord *h)
{
MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ);
if (w) *w = 0; if (h) *h = 0;
return;
MAGIC_CHECK_END();
if ((!obj->size_hints) || obj->delete_me)
{
if (w) *w = 0; if (h) *h = 0;
return;
}
if (w) *w = obj->size_hints->min.w;
if (h) *h = obj->size_hints->min.h;
}
/**
* Sets the size hint for the minimum size.
*
* This is not a size enforcement in any way, it's just a hint that should
* be used whenever appropriate.
*
* @param obj The given evas object.
* @param w Integer to use as the minimum width hint.
* @param h Integer to use as the minimum height hint.
* @ingroup Evas_Object_Size_Hints_Group
*/
EAPI void
evas_object_size_hint_min_set(Evas_Object *obj, Evas_Coord w, Evas_Coord h)
{
MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ);
return;
MAGIC_CHECK_END();
if (obj->delete_me)
return;
if (!obj->size_hints)
obj->size_hints = calloc(1, sizeof(Evas_Size_Hints));
obj->size_hints->min.w = w;
obj->size_hints->min.h = h;
evas_object_inform_call_changed_size_hints(obj);
}
/**
* Retrieves the size hint for the maximum size.
*
* This is not a size enforcement in any way, it's just a hint that should
* be used whenever appropriate.
*
* Note that if any of @p w or @p h are @c NULL, the @c NULL
* parameters are ignored.
*
* @param obj The given evas object.
* @param w Pointer to an integer in which to store the maximum width.
* @param h Pointer to an integer in which to store the maximum height.
* @ingroup Evas_Object_Size_Hints_Group
*/
EAPI void
evas_object_size_hint_max_get(const Evas_Object *obj, Evas_Coord *w, Evas_Coord *h)
{
MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ);
if (w) *w = 0; if (h) *h = 0;
return;
MAGIC_CHECK_END();
if ((!obj->size_hints) || obj->delete_me)
{
if (w) *w = 0; if (h) *h = 0;
return;
}
if (w) *w = obj->size_hints->max.w;
if (h) *h = obj->size_hints->max.h;
}
/**
* Sets the size hint for the maximum size.
*
* This is not a size enforcement in any way, it's just a hint that should
* be used whenever appropriate.
*
* @param obj The given evas object.
* @param w Integer to use as the maximum width hint.
* @param h Integer to use as the maximum height hint.
* @ingroup Evas_Object_Size_Hints_Group
*/
EAPI void
evas_object_size_hint_max_set(Evas_Object *obj, Evas_Coord w, Evas_Coord h)
{
MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ);
return;
MAGIC_CHECK_END();
if (obj->delete_me)
return;
if (!obj->size_hints)
obj->size_hints = calloc(1, sizeof(Evas_Size_Hints));
obj->size_hints->max.w = w;
obj->size_hints->max.h = h;
evas_object_inform_call_changed_size_hints(obj);
}
/**
* Retrieves the size request hint.
*
* This is not a size enforcement in any way, it's just a hint that should
* be used whenever appropriate.
*
* Note that if any of @p w or @p h are @c NULL, the @c NULL
* parameters are ignored.
*
* @param obj The given evas object.
* @param w Pointer to an integer in which to store the requested width.
* @param h Pointer to an integer in which to store the requested height.
* @ingroup Evas_Object_Size_Hints_Group
*/
EAPI void
evas_object_size_hint_request_get(const Evas_Object *obj, Evas_Coord *w, Evas_Coord *h)
{
MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ);
if (w) *w = 0; if (h) *h = 0;
return;
MAGIC_CHECK_END();
if ((!obj->size_hints) || obj->delete_me)
{
if (w) *w = 0; if (h) *h = 0;
return;
}
if (w) *w = obj->size_hints->request.w;
if (h) *h = obj->size_hints->request.h;
}
/**
* Sets the requested size hint.
*
* This is not a size enforcement in any way, it's just a hint that should
* be used whenever appropriate.
*
* @param obj The given evas object.
* @param w Integer to use as the preferred width hint.
* @param h Integer to use as the preferred height hint.
* @ingroup Evas_Object_Size_Hints_Group
*/
EAPI void
evas_object_size_hint_request_set(Evas_Object *obj, Evas_Coord w, Evas_Coord h)
{
MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ);
return;
MAGIC_CHECK_END();
if (obj->delete_me)
return;
if (!obj->size_hints)
obj->size_hints = calloc(1, sizeof(Evas_Size_Hints));
obj->size_hints->request.w = w;
obj->size_hints->request.h = h;
evas_object_inform_call_changed_size_hints(obj);
}
/**
* Retrieves the size aspect control hint.
*
* This is not a size enforcement in any way, it's just a hint that should
* be used whenever appropriate.
*
* Note that if any of @p aspect, @p w or @p h are @c NULL, the @c NULL
* parameters are ignored.
*
* @param obj The given evas object.
* @param aspect Returns the hint on how size should be calculated.
* @param w Pointer to an integer in which to store the aspect width.
* @param h Pointer to an integer in which to store the aspect height.
* @ingroup Evas_Object_Size_Hints_Group
*/
EAPI void
evas_object_size_hint_aspect_get(const Evas_Object *obj, Evas_Aspect_Control *aspect, Evas_Coord *w, Evas_Coord *h)
{
MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ);
if (aspect) *aspect = EVAS_ASPECT_CONTROL_NONE;
if (w) *w = 0; if (h) *h = 0;
return;
MAGIC_CHECK_END();
if ((!obj->size_hints) || obj->delete_me)
{
if (aspect) *aspect = EVAS_ASPECT_CONTROL_NONE;
if (w) *w = 0; if (h) *h = 0;
return;
}
if (aspect) *aspect = obj->size_hints->aspect.mode;
if (w) *w = obj->size_hints->aspect.size.w;
if (h) *h = obj->size_hints->aspect.size.h;
}
/**
* Sets the size aspect control hint.
*
* This is not a size enforcement in any way, it's just a hint that should
* be used whenever appropriate.
*
* @param obj The given evas object.
* @param aspect Hint on how to calculate size.
* @param w Integer to use as aspect width hint.
* @param h Integer to use as aspect height hint.
* @ingroup Evas_Object_Size_Hints_Group
*/
EAPI void
evas_object_size_hint_aspect_set(Evas_Object *obj, Evas_Aspect_Control aspect, Evas_Coord w, Evas_Coord h)
{
MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ);
return;
MAGIC_CHECK_END();
if (obj->delete_me)
return;
if (!obj->size_hints)
obj->size_hints = calloc(1, sizeof(Evas_Size_Hints));
obj->size_hints->aspect.mode = aspect;
obj->size_hints->aspect.size.w = w;
obj->size_hints->aspect.size.h = h;
evas_object_inform_call_changed_size_hints(obj);
}
/**
* @defgroup Evas_Object_Visibility_Group Generic Object Visibility Functions
*
* Functions that deal with the visibility of evas objects.
*/
/**
* Makes the given evas object visible.
* @param obj The given evas object.
* @ingroup Evas_Object_Visibility_Group
*/
EAPI void
evas_object_show(Evas_Object *obj)
{
MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ);
return;
MAGIC_CHECK_END();
if (obj->delete_me) return;
if (evas_object_intercept_call_show(obj)) return;
if (obj->smart.smart)
{
if (obj->smart.smart->smart_class->show)
obj->smart.smart->smart_class->show(obj);
}
if (obj->cur.visible)
{
evas_object_inform_call_show(obj);
return;
}
obj->cur.visible = 1;
evas_object_change(obj);
evas_object_clip_dirty(obj);
if (obj->layer->evas->events_frozen <= 0)
{
evas_object_recalc_clippees(obj);
if (!evas_event_passes_through(obj))
{
if (!obj->smart.smart)
{
if (evas_object_is_in_output_rect(obj,
obj->layer->evas->pointer.x,
obj->layer->evas->pointer.y, 1, 1))
evas_event_feed_mouse_move(obj->layer->evas,
obj->layer->evas->pointer.x,
obj->layer->evas->pointer.y,
obj->layer->evas->last_timestamp,
NULL);
}
}
}
evas_object_inform_call_show(obj);
}
/**
* Makes the given evas object invisible.
* @param obj The given evas object.
* @ingroup Evas_Object_Visibility_Group
*/
EAPI void
evas_object_hide(Evas_Object *obj)
{
MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ);
return;
MAGIC_CHECK_END();
if (obj->delete_me) return;
if (evas_object_intercept_call_hide(obj)) return;
if (obj->smart.smart)
{
if (obj->smart.smart->smart_class->hide)
obj->smart.smart->smart_class->hide(obj);
}
if (!obj->cur.visible)
{
evas_object_inform_call_hide(obj);
return;
}
obj->cur.visible = 0;
evas_object_change(obj);
evas_object_clip_dirty(obj);
if (obj->layer->evas->events_frozen <= 0)
{
evas_object_recalc_clippees(obj);
if (!evas_event_passes_through(obj))
{
if (!obj->smart.smart)
{
if (evas_object_is_in_output_rect(obj,
obj->layer->evas->pointer.x,
obj->layer->evas->pointer.y, 1, 1))
evas_event_feed_mouse_move(obj->layer->evas,
obj->layer->evas->pointer.x,
obj->layer->evas->pointer.y,
obj->layer->evas->last_timestamp,
NULL);
if (obj->delete_me) return;
if (obj->mouse_grabbed > 0)
{
// if (obj->layer->evas->pointer.mouse_grabbed >= obj->mouse_grabbed)
obj->layer->evas->pointer.mouse_grabbed -= obj->mouse_grabbed;
}
{
if ((obj->mouse_in) || (obj->mouse_grabbed > 0))
{
obj->layer->evas->pointer.object.in = evas_list_remove(obj->layer->evas->pointer.object.in, obj);
}
obj->mouse_grabbed = 0;
if (obj->layer->evas->events_frozen > 0)
{
obj->mouse_in = 0;
return;
}
if (obj->mouse_in)
{
Evas_Event_Mouse_Out ev;
obj->mouse_in = 0;
ev.buttons = obj->layer->evas->pointer.button;
ev.output.x = obj->layer->evas->pointer.x;
ev.output.y = obj->layer->evas->pointer.y;
ev.canvas.x = obj->layer->evas->pointer.x;
ev.canvas.y = obj->layer->evas->pointer.y;
ev.data = NULL;
ev.modifiers = &(obj->layer->evas->modifiers);
ev.locks = &(obj->layer->evas->locks);
evas_object_event_callback_call(obj, EVAS_CALLBACK_MOUSE_OUT, &ev);
}
}
}
}
}
else
{
if ((obj->mouse_in) || (obj->mouse_grabbed > 0))
obj->layer->evas->pointer.object.in = evas_list_remove(obj->layer->evas->pointer.object.in, obj);
obj->mouse_grabbed = 0;
obj->mouse_in = 0;
}
evas_object_inform_call_hide(obj);
}
/**
* Retrieves whether or not the given evas object is visible.
* @param obj The given evas object.
* @return @c 1 if the object is visible. @c 0 otherwise.
* @ingroup Evas_Object_Visibility_Group
*/
EAPI Evas_Bool
evas_object_visible_get(const Evas_Object *obj)
{
MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ);
return 0;
MAGIC_CHECK_END();
if (obj->delete_me) return 0;
return obj->cur.visible;
}
/**
* Sets the general colour of the given evas object to the given colour.
* @param obj The given evas object.
* @param r The red component of the given colour.
* @param g The green component of the given colour.
* @param b The blue component of the given colour.
* @param a The alpha component of the given colour.
* @ingroup Evas_Object_Group
*/
EAPI void
evas_object_color_set(Evas_Object *obj, int r, int g, int b, int a)
{
MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ);
return;
MAGIC_CHECK_END();
if (obj->delete_me) return;
if (r > 255) r = 255; if (r < 0) r = 0;
if (g > 255) g = 255; if (g < 0) g = 0;
if (b > 255) b = 255; if (b < 0) b = 0;
if (a > 255) a = 255; if (a < 0) a = 0;
if (evas_object_intercept_call_color_set(obj, r, g, b, a)) return;
if (obj->smart.smart)
{
if (obj->smart.smart->smart_class->color_set)
obj->smart.smart->smart_class->color_set(obj, r, g, b, a);
}
if ((obj->cur.color.r == r) &&
(obj->cur.color.g == g) &&
(obj->cur.color.b == b) &&
(obj->cur.color.a == a)) return;
obj->cur.color.r = r;
obj->cur.color.g = g;
obj->cur.color.b = b;
if ((obj->cur.color.a == 0) && (a == 0)) return;
obj->cur.color.a = a;
evas_object_change(obj);
}
/**
* Retrieves the general colour of the given evas object.
*
* Note that if any of @p r, @p g, @p b or @p a are @c NULL, then the
* @c NULL parameters are ignored.
*
* @param obj The given evas object.
* @param r Pointer to an integer in which to store the red component of
* the colour.
* @param g Pointer to an integer in which to store the green component of
* the colour.
* @param b Pointer to an integer in which to store the blue component of
* the colour.
* @param a Pointer to an integer in which to store the alpha component of
* the colour.
* @ingroup Evas_Object_Group
*/
EAPI void
evas_object_color_get(const Evas_Object *obj, int *r, int *g, int *b, int *a)
{
MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ);
if (r) *r = 0; if (g) *g = 0; if (b) *b = 0; if (a) *a = 0;
return;
MAGIC_CHECK_END();
if (obj->delete_me)
{
if (r) *r = 0; if (g) *g = 0; if (b) *b = 0; if (a) *a = 0;
return;
}
if (r) *r = obj->cur.color.r;
if (g) *g = obj->cur.color.g;
if (b) *b = obj->cur.color.b;
if (a) *a = obj->cur.color.a;
}
/**
* Sets whether or not the given evas object is to be drawn anti_aliased.
* @param obj The given evas object.
* @param anti_alias. 1 if the object is to be anti_aliased, 0 otherwise.
* @ingroup Evas_Object_Group
*/
EAPI void
evas_object_anti_alias_set(Evas_Object *obj, Evas_Bool anti_alias)
{
MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ);
return;
MAGIC_CHECK_END();
if (obj->delete_me) return;
if (obj->cur.anti_alias == !!anti_alias)
return;
obj->cur.anti_alias = !!anti_alias;
evas_object_change(obj);
}
/**
* Retrieves whether or not the given evas object is to be drawn anti_aliased.
* @param obj The given evas object.
* @return @c 1 if the object is to be anti_aliased. @c 0 otherwise.
* @ingroup Evas_Object_Group
*/
EAPI Evas_Bool
evas_object_anti_alias_get(const Evas_Object *obj)
{
MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ);
return 0;
MAGIC_CHECK_END();
if (obj->delete_me) return 0;
return obj->cur.anti_alias;
}
/**
* Sets the color_space to be used for linear interpolation of colors.
* @param obj The given evas object.
* @param color_space, one of EVAS_COLOR_SPACE_ARGB or EVAS_COLOR_SPACE_AHSV.
* @ingroup Evas_Object_Group
*/
EAPI void
evas_object_color_interpolation_set(Evas_Object *obj, int color_space)
{
MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ);
return;
MAGIC_CHECK_END();
if (obj->delete_me) return;
if (obj->cur.interpolation_color_space == color_space)
return;
obj->cur.interpolation_color_space = color_space;
evas_object_change(obj);
}
/**
* Retrieves the current value of the color space used for linear interpolation.
* @param obj The given evas object.
* @return @c EVAS_COLOR_SPACE_ARGB or EVAS_COLOR_SPACE_AHSV.
* @ingroup Evas_Object_Group
*/
EAPI int
evas_object_color_interpolation_get(const Evas_Object *obj)
{
MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ);
return 0;
MAGIC_CHECK_END();
if (obj->delete_me) return 0;
return obj->cur.interpolation_color_space;
}
/**
* Sets the render_op to be used for rendering the evas object.
* @param obj The given evas object.
* @param render_op one of the Evas_Render_Op values.
* @ingroup Evas_Object_Group
*/
EAPI void
evas_object_render_op_set(Evas_Object *obj, Evas_Render_Op render_op)
{
MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ);
return;
MAGIC_CHECK_END();
if (obj->delete_me) return;
if ((Evas_Render_Op)obj->cur.render_op == render_op)
return;
obj->cur.render_op = render_op;
evas_object_change(obj);
}
/**
* Retrieves the current value of the operation used for rendering the evas object.
* @param obj The given evas object.
* @return one of the enumerated values in Evas_Render_Op.
* @ingroup Evas_Object_Group
*/
EAPI Evas_Render_Op
evas_object_render_op_get(const Evas_Object *obj)
{
MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ);
return 0;
MAGIC_CHECK_END();
if (obj->delete_me) return EVAS_RENDER_BLEND;
return obj->cur.render_op;
}
/**
* Retrieves the evas that the given evas object is on.
* @param obj The given evas object.
* @return The evas that the object is on.
* @ingroup Evas_Object_Group
*/
EAPI Evas *
evas_object_evas_get(const Evas_Object *obj)
{
MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ);
return NULL;
MAGIC_CHECK_END();
if (obj->delete_me) return 0;
return obj->layer->evas;
}
/**
* @defgroup Evas_Object_Finders Object Finder Functions
*
* Functions that determine what evas objects are at a given location
* or within a given region of an evas.
*/
/**
* To be documented.
*
* FIXME: To be fixed.
* @ingroup Evas_Object_Finders
*/
EAPI Evas_Object *
evas_object_top_at_xy_get(const Evas *e, Evas_Coord x, Evas_Coord y, Evas_Bool include_pass_events_objects, Evas_Bool include_hidden_objects)
{
Evas_Object_List *l;
int xx, yy;
MAGIC_CHECK(e, Evas, MAGIC_EVAS);
return NULL;
MAGIC_CHECK_END();
xx = x;
yy = y;
//// xx = evas_coord_world_x_to_screen(e, x);
//// yy = evas_coord_world_y_to_screen(e, y);
for (l = ((Evas_Object_List *)(e->layers))->last; l; l = l->prev)
{
Evas_Object_List *l2;
Evas_Layer *lay;
lay = (Evas_Layer *)l;
for (l2 = get_layer_objects_last(lay); l2; l2 = l2->prev)
{
Evas_Object *obj;
obj = (Evas_Object *)l2;
if (obj->delete_me) continue;
if ((!include_pass_events_objects) && (evas_event_passes_through(obj))) continue;
if ((!include_hidden_objects) && (!obj->cur.visible)) continue;
evas_object_clip_recalc(obj);
if ((evas_object_is_in_output_rect(obj, xx, yy, 1, 1)) &&
(!obj->clip.clipees))
return obj;
}
}
return NULL;
}
/**
* To be documented.
*
* FIXME: To be fixed.
* @ingroup Evas_Object_Finders
*/
EAPI Evas_Object *
evas_object_top_at_pointer_get(const Evas *e)
{
//// return evas_object_top_at_xy_get(e, e->pointer.canvas_x, e->pointer.canvas_y, 0, 0);
return evas_object_top_at_xy_get(e, e->pointer.x, e->pointer.y, 1, 1);
}
/**
* To be documented.
*
* FIXME: To be fixed.
* @ingroup Evas_Object_Finders
*/
EAPI Evas_Object *
evas_object_top_in_rectangle_get(const Evas *e, Evas_Coord x, Evas_Coord y, Evas_Coord w, Evas_Coord h, Evas_Bool include_pass_events_objects, Evas_Bool include_hidden_objects)
{
Evas_Object_List *l;
int xx, yy, ww, hh;
MAGIC_CHECK(e, Evas, MAGIC_EVAS);
return NULL;
MAGIC_CHECK_END();
xx = x;
yy = y;
ww = w;
hh = h;
//// xx = evas_coord_world_x_to_screen(e, x);
//// yy = evas_coord_world_y_to_screen(e, y);
//// ww = evas_coord_world_x_to_screen(e, w);
//// hh = evas_coord_world_y_to_screen(e, h);
if (ww < 1) ww = 1;
if (hh < 1) hh = 1;
for (l = ((Evas_Object_List *)(e->layers))->last; l; l = l->prev)
{
Evas_Object_List *l2;
Evas_Layer *lay;
lay = (Evas_Layer *)l;
for (l2 = get_layer_objects_last(lay); l2; l2 = l2->prev)
{
Evas_Object *obj;
obj = (Evas_Object *)l2;
if (obj->delete_me) continue;
if ((!include_pass_events_objects) && (evas_event_passes_through(obj))) continue;
if ((!include_hidden_objects) && (!obj->cur.visible)) continue;
evas_object_clip_recalc(obj);
if ((evas_object_is_in_output_rect(obj, xx, yy, ww, hh)) &&
(!obj->clip.clipees))
return obj;
}
}
return NULL;
}
/**
* To be documented.
*
* FIXME: To be fixed.
* @ingroup Evas_Object_Finders
*/
EAPI Evas_List *
evas_objects_at_xy_get(const Evas *e, Evas_Coord x, Evas_Coord y, Evas_Bool include_pass_events_objects, Evas_Bool include_hidden_objects)
{
Evas_List *in = NULL;
Evas_Object_List *l;
int xx, yy;
MAGIC_CHECK(e, Evas, MAGIC_EVAS);
return NULL;
MAGIC_CHECK_END();
xx = x;
yy = y;
//// xx = evas_coord_world_x_to_screen(e, x);
//// yy = evas_coord_world_y_to_screen(e, y);
for (l = ((Evas_Object_List *)(e->layers))->last; l; l = l->prev)
{
Evas_Object_List *l2;
Evas_Layer *lay;
lay = (Evas_Layer *)l;
for (l2 = get_layer_objects_last(lay); l2; l2 = l2->prev)
{
Evas_Object *obj;
obj = (Evas_Object *)l2;
if (obj->delete_me) continue;
if ((!include_pass_events_objects) && (evas_event_passes_through(obj))) continue;
if ((!include_hidden_objects) && (!obj->cur.visible)) continue;
evas_object_clip_recalc(obj);
if ((evas_object_is_in_output_rect(obj, xx, yy, 1, 1)) &&
(!obj->clip.clipees))
in = evas_list_prepend(in, obj);
}
}
return in;
}
/**
* To be documented.
*
* FIXME: To be fixed.
* @ingroup Evas_Object_Finders
*/
EAPI Evas_List *
evas_objects_in_rectangle_get(const Evas *e, Evas_Coord x, Evas_Coord y, Evas_Coord w, Evas_Coord h, Evas_Bool include_pass_events_objects, Evas_Bool include_hidden_objects)
{
Evas_List *in = NULL;
Evas_Object_List *l;
int xx, yy, ww, hh;
MAGIC_CHECK(e, Evas, MAGIC_EVAS);
return NULL;
MAGIC_CHECK_END();
xx = x;
yy = y;
ww = w;
hh = h;
//// xx = evas_coord_world_x_to_screen(e, x);
//// yy = evas_coord_world_y_to_screen(e, y);
//// ww = evas_coord_world_x_to_screen(e, w);
//// hh = evas_coord_world_y_to_screen(e, h);
if (ww < 1) ww = 1;
if (hh < 1) hh = 1;
for (l = ((Evas_Object_List *)(e->layers))->last; l; l = l->prev)
{
Evas_Object_List *l2;
Evas_Layer *lay;
lay = (Evas_Layer *)l;
for (l2 = get_layer_objects_last(lay); l2; l2 = l2->prev)
{
Evas_Object *obj;
obj = (Evas_Object *)l2;
if (obj->delete_me) continue;
if ((!include_pass_events_objects) && (evas_event_passes_through(obj))) continue;
if ((!include_hidden_objects) && (!obj->cur.visible)) continue;
evas_object_clip_recalc(obj);
if ((evas_object_is_in_output_rect(obj, xx, yy, ww, hh)) &&
(!obj->clip.clipees))
in = evas_list_prepend(in, obj);
}
}
return in;
}
/**
* Retrieves the name of the type of the given evas object.
* @param obj The given object.
* @return The name.
* @ingroup Evas_Object_Group
*/
EAPI const char *
evas_object_type_get(const Evas_Object *obj)
{
MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ);
return NULL;
MAGIC_CHECK_END();
if (obj->delete_me) return "";
return obj->type;
}
/**
* Set whether to use a precise (usually expensive) point collision detection.
* @param obj The given object.
* @param precise wheter to use a precise point collision detection or not
* The default value is false.
* @ingroup Evas_Object_Group
*/
EAPI void
evas_object_precise_is_inside_set(Evas_Object *obj, Evas_Bool precise)
{
MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ);
return;
MAGIC_CHECK_END();
obj->precise_is_inside = precise;
}
/**
* Determine whether an object is set to use a precise point collision detection.
* @param obj The given object.
* @ingroup Evas_Object_Group
*/
EAPI Evas_Bool
evas_object_precise_is_inside_get(const Evas_Object *obj)
{
MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ);
return 0;
MAGIC_CHECK_END();
return obj->precise_is_inside;
}
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