RT-Thread-用例表视图调用另一个视图也没有成功!求助RT-Thread问答社区

用例表视图调用另一个视图也没有成功!求助

发布于 2011-09-04 22:57:27 浏览：5478 订阅该版

搞了N星期用例表视图调用另一个视图也没有成功！
现有两个视图我用左右键切换是好用的，可用上下键选择后按回车键调另一个视图不成功。有高人帮我写下device_view_create这个函数吗？不盛感激！！！

#include <rtthread.h>
#include <rtgui.h>
#include <list_view.h>
#include <rtgui_server.h>
#include <rtgui_system.h>
#include <workbench.h>

static struct rtgui_view* view;
static struct rtgui_view* device_view;
static struct rtgui_view* home_view;
static struct rtgui_list_view* function_view; 
static struct rtgui_workbench* workbench;

static void workbench_info_ui(void* parameter)
{
  rt_mq_t mq;

/* 创建GUI应用需要的消息队列 */
  mq = rt_mq_create("wmq1", 256, 4, RT_IPC_FLAG_FIFO);
  /* 注册当前线程为GUI线程 */
  rtgui_thread_register(rt_thread_self(), mq);
  /* 创建一个工作台 */
  workbench = rtgui_workbench_create("info", "workbench #1");
  if(workbench == RT_NULL) return;

/* 创建一个视图 */
  view = rtgui_view_create("view1");
  if(view == RT_NULL) return;
  /* 指定视图的背景色 */
  RTGUI_WIDGET_BACKGROUND(RTGUI_WIDGET(view)) = light_grey;

/* 在工作台上添加一个视图 */
  rtgui_workbench_add_view(workbench, view);
  /* 非模式方式显示视图 */
  rtgui_view_show(view, RT_FALSE);
  /* 执行工作台事件循环 */
  rtgui_workbench_event_loop(workbench);
  /* 去注册GUI线程 */
  rtgui_thread_deregister(rt_thread_self());
  /* delete message queue */
  rt_mq_delete(mq);
}

static struct rtgui_view* device_view = RT_NULL;
rtgui_view_t* device_view_create(rtgui_workbench_t* workbench)
{
  /* create a view */
  device_view = rtgui_view_create("Device Info");
  /* this view can be focused */
  RTGUI_WIDGET(device_view)->flag |= RTGUI_WIDGET_FLAG_FOCUSABLE;
  rtgui_widget_focus(RTGUI_WIDGET(device_view));
	
  /* add view to workbench */
  rtgui_workbench_add_view(workbench, device_view);

rtgui_view_show(device_view, RT_FALSE);
}

void function_action(void* parameter) 
{ 
  return; 
}

static struct rtgui_list_item function_list[] =
{
  {"例1", RT_NULL, function_action, RT_NULL},
  {"例2", RT_NULL, function_action, RT_NULL},
  {"例3", RT_NULL, device_view_create, RT_NULL},
  {"例4", RT_NULL, function_action, RT_NULL},
  {"例5", RT_NULL, function_action, RT_NULL},
  {"例6", RT_NULL, function_action, RT_NULL},
};

static rt_bool_t home_view_event_handler(struct rtgui_widget* widget, struct rtgui_event* event)
{

if (event->type == RTGUI_EVENT_KBD)
    {
        struct rtgui_event_kbd* ekbd = (struct rtgui_event_kbd*)event;
        if (ekbd->type == RTGUI_KEYDOWN)
        {
        	if (ekbd->key == RTGUIK_LEFT)
        	{
                    rtgui_view_show(RTGUI_VIEW(function_view), RT_FALSE);
        	}
        }
        return RT_FALSE;
    }
    return rtgui_view_event_handler(widget, event);
}

rt_bool_t player_workbench_event_handler(rtgui_widget_t *widget, rtgui_event_t *event)
{
    if (event->type == RTGUI_EVENT_KBD)
    {
        struct rtgui_event_kbd* ekbd = (struct rtgui_event_kbd*)event;
        if ((ekbd->type == RTGUI_KEYDOWN) && (ekbd->key == RTGUIK_RIGHT))
        {
            /* active home view */
            if (workbench->current_view != home_view)
            {
                rtgui_view_show(home_view, RT_FALSE);
                return RT_TRUE;
            }
        }
    }
    return rtgui_workbench_event_handler(widget, event);
}

static void workbench_main_ui(void* parameter)
{
  rt_mq_t mq;
  rtgui_rect_t rect;

mq = rt_mq_create("ply_ui", 256, 4, RT_IPC_FLAG_FIFO);
  rtgui_thread_register(rt_thread_self(), mq);

workbench = rtgui_workbench_create("main", "workbench");
  if (workbench == RT_NULL) return;
  rtgui_widget_set_event_handler(RTGUI_WIDGET(workbench), player_workbench_event_handler);

/* add home view */
  home_view = rtgui_view_create("Home");
  rtgui_widget_set_event_handler(RTGUI_WIDGET(home_view), home_view_event_handler);

rtgui_workbench_add_view(workbench, home_view);
  /* this view can be focused */
  RTGUI_WIDGET(home_view)->flag |= RTGUI_WIDGET_FLAG_FOCUSABLE;
  /* set widget focus */
  rtgui_widget_focus(RTGUI_WIDGET(home_view));

rtgui_view_show(home_view, RT_FALSE);

/* add function view */
  rtgui_widget_get_rect(RTGUI_WIDGET(workbench), &rect);
  function_view = rtgui_list_view_create(function_list, 6, &rect, RTGUI_LIST_VIEW_LIST);
  rtgui_workbench_add_view(workbench, RTGUI_VIEW(function_view));

rtgui_workbench_event_loop(workbench);

rtgui_thread_deregister(rt_thread_self());
  rt_mq_delete(mq);
}

/* 初始化两个workbench */
void workbench_init(void)
{
  rt_thread_t info_tid, main_tid;

info_tid = rt_thread_create("wb1", workbench_info_ui, RT_NULL, 1024, 20, 5);
  if(info_tid != RT_NULL) rt_thread_startup(info_tid);

main_tid = rt_thread_create("wb2", workbench_main_ui, RT_NULL, 1024, 20, 5);
  if(main_tid != RT_NULL) rt_thread_startup(main_tid);
}

/*@}*/