On Sun, Mar 23, 2008 at 1:55 PM, The Rasterman Carsten Haitzler
<[EMAIL PROTECTED]> wrote:
> On Sun, 23 Mar 2008 04:20:05 -0400 Jose Gonzalez <[EMAIL PROTECTED]> babbled:
>
>
> > > > In general I don't have any objections to the addition of size
> > > > hints to Edje, these could actually be useful to EWL as we could
> > > > use them in place of some of the existing size hints we get from
> > > > Edje. I'm not really certain why you want the ability to set the
> > > > min and max sizes programmatically since these are normally
> > > > determined by the EDC description, but I don't really see a
> > > > problem with it. It might be a
> > >
> > > the problem comes when you swallow something into a edje - it does
> > > not know the constraints of the object being swallowed - thus edje
> > > has calls like:
> > >
> > > edje_extern_object_min_size_set()
> > > edje_extern_object_max_size_set()
> > > edje_extern_object_aspect_set()
> > >
> > > these attach hints via a generic data + string key attaching
> > > mechanism so edje can pick them up when swallowing. of course
> > > formalising these as intrinsic properties of an evas object
> > > would make this cleaner and provide more usefulness for other
> > > things.
> > >
> > Yeah, but that's just so that you can *get* the min/max sizes -
> > because there's no other way since arbitrary evas objs don't have
> > such min/max_size properties. If they did, you could just 'get' them.
>
> bingo. that's the whole point of it - set them, be able to get them, have
> callbacks and events when they change (just like resize, move etc.).
>
>
> > These min/max values could actually change, as other properties
> > of the object (which can be 'set') are varied, due to internal
> > constraints and whatnot, but it makes little sense to 'set' the
> > min/max values of anything that's potentially intrinsic to an object.
> > Does it make sense to set the min/max values of the min_size property?
>
> this is just min and max size - these are not properties of properties. :)
>
>
> > One can imagine setting lower/upper bounds for values of
> > properties (subject to those being constrained by the min/max ones),
> > with the meaning that setting arbitrary values for the property
> > will be stopped at those limits, but not really directly setting
> > min/max ones.
> >
> > It's a bit of a semantic run-around, but not any more mojo
> > than the usual. :)
anyone really looked at the patch? It says it all :-)
In any case, patch is here, again...
--
Gustavo Sverzut Barbieri
http://profusion.mobi
Embedded Systems
--------------------------------------
MSN: [EMAIL PROTECTED]
Skype: gsbarbieri
Mobile: +55 (81) 9927 0010
Index: Evas.h
===================================================================
RCS file: /cvs/e/e17/libs/evas/src/lib/Evas.h,v
retrieving revision 1.114
diff -u -p -r1.114 Evas.h
--- Evas.h 14 Mar 2008 16:49:47 -0000 1.114
+++ Evas.h 21 Mar 2008 08:12:37 -0000
@@ -50,7 +50,8 @@ typedef enum _Evas_Callback_Type
EVAS_CALLBACK_MOVE, /**< Move Event */
EVAS_CALLBACK_RESIZE, /**< Resize Event */
EVAS_CALLBACK_RESTACK, /**< Restack Event */
- EVAS_CALLBACK_DEL /**< Object Being Deleted (called before Free) */
+ EVAS_CALLBACK_DEL, /**< Object Being Deleted (called before Free) */
+ EVAS_CALLBACK_CHANGED_SIZE_HINTS /**< Size hints changed event */
} Evas_Callback_Type; /**< The type of event to trigger the callback */
typedef enum _Evas_Button_Flags
@@ -688,6 +689,13 @@ extern "C" {
EAPI void evas_object_move (Evas_Object *obj,
Evas_Coord x, Evas_Coord y);
EAPI void evas_object_resize (Evas_Object *obj,
Evas_Coord w, Evas_Coord h);
EAPI void evas_object_geometry_get (const Evas_Object
*obj, Evas_Coord *x, Evas_Coord *y, Evas_Coord *w, Evas_Coord *h);
+
+ EAPI void evas_object_size_hint_min_get (const Evas_Object
*obj, Evas_Coord *w, Evas_Coord *h);
+ EAPI void evas_object_size_hint_min_set (Evas_Object *obj,
Evas_Coord w, Evas_Coord h);
+ EAPI void evas_object_size_hint_max_get (const Evas_Object
*obj, Evas_Coord *w, Evas_Coord *h);
+ EAPI void evas_object_size_hint_max_set (Evas_Object *obj,
Evas_Coord w, Evas_Coord h);
+ EAPI void evas_object_size_hint_request_get (const Evas_Object
*obj, Evas_Coord *w, Evas_Coord *h);
+ EAPI void evas_object_size_hint_request_set (Evas_Object *obj,
Evas_Coord w, Evas_Coord h);
EAPI void evas_object_show (Evas_Object *obj);
EAPI void evas_object_hide (Evas_Object *obj);
Index: canvas/evas_object_inform.c
===================================================================
RCS file: /cvs/e/e17/libs/evas/src/lib/canvas/evas_object_inform.c,v
retrieving revision 1.3
diff -u -p -r1.3 evas_object_inform.c
--- canvas/evas_object_inform.c 18 Jun 2005 01:00:29 -0000 1.3
+++ canvas/evas_object_inform.c 21 Mar 2008 08:12:37 -0000
@@ -32,3 +32,9 @@ evas_object_inform_call_restack(Evas_Obj
{
evas_object_event_callback_call(obj, EVAS_CALLBACK_RESTACK, NULL);
}
+
+void
+evas_object_inform_call_changed_size_hints(Evas_Object *obj)
+{
+ evas_object_event_callback_call(obj, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
NULL);
+}
Index: canvas/evas_object_main.c
===================================================================
RCS file: /cvs/e/e17/libs/evas/src/lib/canvas/evas_object_main.c,v
retrieving revision 1.63
diff -u -p -r1.63 evas_object_main.c
--- canvas/evas_object_main.c 8 Feb 2008 22:35:19 -0000 1.63
+++ canvas/evas_object_main.c 21 Mar 2008 08:12:38 -0000
@@ -671,6 +671,243 @@ evas_object_geometry_get(const Evas_Obje
}
/**
+ * @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->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;
+
+ 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->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;
+
+ 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->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;
+
+ 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->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;
+
+ 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.
Index: include/evas_private.h
===================================================================
RCS file: /cvs/e/e17/libs/evas/src/lib/include/evas_private.h,v
retrieving revision 1.91
diff -u -p -r1.91 evas_private.h
--- include/evas_private.h 21 Mar 2008 07:13:46 -0000 1.91
+++ include/evas_private.h 21 Mar 2008 08:12:38 -0000
@@ -81,6 +81,10 @@ struct _Evas_Module_Engine
#define RENDER_METHOD_INVALID 0x00000000
typedef struct _Evas_Layer Evas_Layer;
+typedef struct _Evas_Size Evas_Size;
+typedef enum _Evas_Aspect_Control Evas_Aspect_Control;
+typedef struct _Evas_Aspect Evas_Aspect;
+typedef struct _Evas_Size_Hints Evas_Size_Hints;
typedef struct _Evas_Font_Dir Evas_Font_Dir;
typedef struct _Evas_Font Evas_Font;
typedef struct _Evas_Font_Alias Evas_Font_Alias;
@@ -368,6 +372,32 @@ struct _Evas_Layer
unsigned char delete_me : 1;
};
+struct _Evas_Size
+{
+ Evas_Coord w, h;
+};
+
+enum _Evas_Aspect_Control
+{
+ EVAS_ASPECT_CONTROL_NONE = 0,
+ EVAS_ASPECT_CONTROL_NEITHER = 1,
+ EVAS_ASPECT_CONTROL_HORIZONTAL = 2,
+ EVAS_ASPECT_CONTROL_VERTICAL = 3,
+ EVAS_ASPECT_CONTROL_BOTH = 4
+};
+
+struct _Evas_Aspect
+{
+ Evas_Aspect_Control mode;
+ Evas_Size size;
+};
+
+struct _Evas_Size_Hints
+{
+ Evas_Size min, max, request;
+ Evas_Aspect aspect;
+};
+
struct _Evas_Object
{
Evas_Object_List _list_data;
@@ -440,6 +470,8 @@ struct _Evas_Object
unsigned char deletions_waiting : 1;
} smart;
+ Evas_Size_Hints size_hints;
+
int last_mouse_down_counter;
int last_mouse_up_counter;
int mouse_grabbed;
@@ -727,6 +759,7 @@ void evas_object_inform_call_hide(Evas_O
void evas_object_inform_call_move(Evas_Object *obj);
void evas_object_inform_call_resize(Evas_Object *obj);
void evas_object_inform_call_restack(Evas_Object *obj);
+void evas_object_inform_call_changed_size_hints(Evas_Object *obj);
void evas_object_intercept_cleanup(Evas_Object *obj);
int evas_object_intercept_call_show(Evas_Object *obj);
int evas_object_intercept_call_hide(Evas_Object *obj);
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