rt-thread/components/rtgui/widgets/mv_view.c

82 lines
1.9 KiB
C

/*
* File : mv_view.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2012, 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
* 2012-09-17 Grissiom first version
*/
#include <rtgui/rtgui.h>
#include <rtgui/rtgui_mv_model.h>
#include <rtgui/widgets/mv_view.h>
static void _rtgui_mv_view_constructor(struct rtgui_mv_view *view)
{
view->model_number = 0;
view->model = RT_NULL;
}
static void _rtgui_mv_view_destructor(struct rtgui_mv_view *view)
{
if (view->model_number == 1)
{
rtgui_mv_model_remove_view(view->model, view);
}
else if (view->model_number > 1)
{
void **model_arr = *(void ** *)view->model;
int i;
for (i = 0; i < view->model_number; i++)
{
rtgui_mv_model_remove_view(model_arr[i], view);
}
}
}
DEFINE_CLASS_TYPE(mv_view, "mv_view",
RTGUI_WIDGET_TYPE,
_rtgui_mv_view_constructor,
_rtgui_mv_view_destructor,
sizeof(struct rtgui_mv_view));
struct rtgui_mv_view *rtgui_mv_view_create(void)
{
return RTGUI_MV_VIEW(rtgui_widget_create(RTGUI_MV_VIEW_TYPE));
}
void rtgui_mv_view_destroy(struct rtgui_mv_view *view)
{
rtgui_widget_destroy(RTGUI_WIDGET(view));
}
struct rtgui_mv_model *rtgui_mv_view_foreach_in_model(struct rtgui_mv_view *view, rt_uint32_t *iter)
{
struct rtgui_mv_model *model;
RT_ASSERT(view);
if (*iter >= view->model_number)
return RT_NULL;
if (view->model_number == 1)
{
model = view->model;
}
else
{
struct rtgui_mv_model **model_array = view->model;
model = model_array[*iter];
}
(*iter)++;
return model;
}