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author[email protected] <[email protected]>2011-03-24 14:12:30 +0000
committer[email protected] <[email protected]>2011-03-24 14:12:30 +0000
commit0621f30e9d4e69220991ad2a18ba6e89814f46f9 (patch)
tree87af4a64ad418226d98f216f3b5ea8e8e6406760 /components/rtgui_win/common/rtgui_object.c
parent0e93e6809c7beac4597148edc1dc09bcdf9a2ab3 (diff)
move rtgui_win to branches.
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1346 bbd45198-f89e-11dd-88c7-29a3b14d5316
Diffstat (limited to 'components/rtgui_win/common/rtgui_object.c')
-rw-r--r--components/rtgui_win/common/rtgui_object.c242
1 files changed, 0 insertions, 242 deletions
diff --git a/components/rtgui_win/common/rtgui_object.c b/components/rtgui_win/common/rtgui_object.c
deleted file mode 100644
index 4bbc221c17..0000000000
--- a/components/rtgui_win/common/rtgui_object.c
+++ /dev/null
@@ -1,242 +0,0 @@
-/*
- * File : rtgui_object.c
- * This file is part of RTGUI in RT-Thread RTOS
- * COPYRIGHT (C) 2006 - 2009, RT-Thread Development Team
- *
- * The license and distribution terms for this file may be
- * found in the file LICENSE in this distribution or at
- * http://www.rt-thread.org/license/LICENSE
- *
- * Change Logs:
- * Date Author Notes
- * 2009-10-04 Bernard first version
- */
-
-#include <rtgui/rtgui_object.h>
-#include <rtgui/rtgui_system.h>
-
-static void _rtgui_object_constructor(rtgui_object_t *object)
-{
- if (!object) return;
-
- object->is_static = RT_FALSE;
-}
-
-/* Destroys the object */
-static void _rtgui_object_destructor(rtgui_object_t *object)
-{
- /* nothing */
-}
-
-rtgui_type_t *rtgui_type_create(const char *type_name, rtgui_type_t *parent_type,
- int type_size, rtgui_constructor_t constructor,
- rtgui_destructor_t destructor)
-{
- rtgui_type_t *new_type;
-
- if (!type_name)
- return RT_NULL;
-
- new_type = rtgui_malloc(sizeof(rtgui_type_t));
- new_type->name = rt_strdup(type_name);
- new_type->size = type_size;
- new_type->constructor = constructor;
- new_type->destructor = destructor;
-
- if (!parent_type)
- {
- new_type->hierarchy_depth = 0;
- new_type->hierarchy = RT_NULL;
- }
- else
- {
- /* Build the type hierarchy */
- new_type->hierarchy_depth = parent_type->hierarchy_depth + 1;
- new_type->hierarchy = rtgui_malloc(sizeof(rtgui_type_t *) * new_type->hierarchy_depth);
-
- new_type->hierarchy[0] = parent_type;
- rt_memcpy(new_type->hierarchy + 1, parent_type->hierarchy,
- parent_type->hierarchy_depth * sizeof(rtgui_type_t *));
- }
-
- return new_type;
-}
-
-void rtgui_type_destroy(rtgui_type_t *type)
-{
- if (!type) return;
-
- if (type->hierarchy) rtgui_free(type->hierarchy);
-
- rtgui_free(type->name);
- rtgui_free(type);
-}
-
-void rtgui_type_object_construct(rtgui_type_t *type, rtgui_object_t *object)
-{
- int i;
-
- if (!type || !object) return;
-
- /* Call the constructors */
- for (i = type->hierarchy_depth - 1; i >= 0; i--)
- {
- if (type->hierarchy[i]->constructor)
- type->hierarchy[i]->constructor(object);
- }
- if (type->constructor) type->constructor(object);
-}
-
-void rtgui_type_destructors_call(rtgui_type_t *type, rtgui_object_t *object)
-{
- int i;
-
- if (!type || !object) return;
-
- if (type->destructor) type->destructor(object);
- for (i = 0; i < type->hierarchy_depth; i++)
- {
- if (type->hierarchy[i]->destructor)
- type->hierarchy[i]->destructor(object);
- }
-}
-
-rt_bool_t rtgui_type_inherits_from(rtgui_type_t *type, rtgui_type_t *parent)
-{
- int i;
-
- if (!type || !parent) return RT_FALSE;
-
- if (type == parent) return RT_TRUE;
-
- for (i = 0; i < type->hierarchy_depth; i++)
- {
- if (type->hierarchy[i] == parent) return RT_TRUE;
- }
-
- return RT_FALSE;
-}
-
-rtgui_type_t *rtgui_type_parent_type_get(rtgui_type_t *type)
-{
- if (!type || !type->hierarchy) return RT_NULL;
-
- return type->hierarchy[0];
-}
-
-const char *rtgui_type_name_get(rtgui_type_t *type)
-{
- if (!type) return RT_NULL;
-
- return type->name;
-}
-
-struct rtgui_object_information
-{
- rt_uint32_t objs_number;
- rt_uint32_t allocated_size;
- rt_uint32_t max_allocated;
-};
-struct rtgui_object_information obj_info = {0, 0, 0};
-
-/**
- * @brief Creates a new object: it calls the corresponding constructors (from the constructor of the base class to the
- * constructor of the more derived class) and then sets the values of the given properties
- * @param object_type the type of object to create
- * @return Returns the new Etk_Object of type @a object_type
- */
-rtgui_object_t *rtgui_object_create(rtgui_type_t *object_type)
-{
- rtgui_object_t *new_object;
-
- if (!object_type)
- return RT_NULL;
-
- new_object = rtgui_malloc(object_type->size);
- if (new_object == RT_NULL) return RT_NULL;
-
- obj_info.objs_number ++;
- obj_info.allocated_size += object_type->size;
- if (obj_info.allocated_size > obj_info.max_allocated)
- obj_info.max_allocated = obj_info.allocated_size;
-
- new_object->type = object_type;
- new_object->is_static = RT_FALSE;
-
- rtgui_type_object_construct(object_type, new_object);
-
- return new_object;
-}
-
-/**
- * @brief Destroys the object: it first sets the weak-pointers to RT_NULL, emits the "destroyed" signal, and then
- * queues the object in the list of objects to free. Thus, the destructors will only be called at the beginning of the
- * next main loop iteration (from the destructor of the more derived class to the destructor of the ultimate base class).
- * @param object the object to destroy
- * @warning You should not assume that this function will call directly the destructors of the object!
- */
-void rtgui_object_destroy(rtgui_object_t *object)
-{
- if (!object || object->is_static == RT_TRUE) return;
-
- obj_info.objs_number --;
- obj_info.allocated_size -= object->type->size;
-
- /* call destructor */
- RT_ASSERT(object->type != RT_NULL);
- rtgui_type_destructors_call(object->type, object);
-
- /* release object */
- rtgui_free(object);
-}
-
-/**
- * @internal
- * @brief Gets the type of a rtgui_object
- * @return Returns the type of a rtgui_object
- */
-rtgui_type_t *rtgui_object_type_get(void)
-{
- static rtgui_type_t *object_type = RT_NULL;
-
- if (!object_type)
- {
- object_type = rtgui_type_create("object", RT_NULL,
- sizeof(rtgui_object_t), RTGUI_CONSTRUCTOR(_rtgui_object_constructor),
- RTGUI_DESTRUCTOR(_rtgui_object_destructor));
- }
-
- return object_type;
-}
-
-/**
- * @brief Checks if @a object can be cast to @a type.
- * If @a object doesn't inherit from @a type, a warning is displayed in the console but the object is returned anyway.
- * @param object the object to cast
- * @param type the type to which we cast the object
- * @return Returns the object
- * @note You usually do not need to call this function, use specific macros instead (ETK_IS_WIDGET() for example)
- */
-rtgui_object_t *rtgui_object_check_cast(rtgui_object_t *object, rtgui_type_t *type)
-{
- if (!object) return RT_NULL;
-
- if (!rtgui_type_inherits_from(object->type, type))
- {
- rt_kprintf("Invalid cast from \"%s\" to \"%s\"\n", rtgui_type_name_get(object->type), rtgui_type_name_get(type));
- }
-
- return object;
-}
-
-/**
- * @brief Gets the type of the object
- * @param object an object
- * @return Returns the type of @a object (RT_NULL on failure)
- */
-rtgui_type_t *rtgui_object_object_type_get(rtgui_object_t *object)
-{
- if (!object) return RT_NULL;
-
- return object->type;
-}