RT-Thread-又是一个RTGUI BUG！！RT-Thread问答社区

grissiom 2013-01-06

这家伙很懒，什么也没写！

xiao苦 2013-01-07

这家伙很懒，什么也没写！

倒不是不方便，而是不知道该怎么提供。

```
   while (1) {
      result = rt_sem_take(&GuiUpdateSem, 500);
      if (result == RT_EOK) {
         while (rt_sem_take(&GuiUpdateSem, RT_WAITING_NO) == RT_EOK);
         //bIsUpdate = RT_TRUE;
         GuiErrCom(RT_FALSE);
         if ((IsNumPadOpen() == RT_FALSE) && (IsDownWinOpen() == RT_FALSE)) {
            bIsUpdate = GuiReadViewRun();
         }
         view = GuiGetCurViewNum();

#if 1
         //控件移动功能
         if ((IsNumPadOpen() == RT_FALSE) && (IsDownWinOpen() == RT_FALSE)) {
            
            Move = WidgetMoveTbl[view];
            while (Move != RT_NULL) {
               x = CheckDateRead(Move->ShiftType, Move->XShiftAddr);
               y = CheckDateRead(Move->ShiftType, Move->YShiftAddr);
               if ((x != Move->ShiftX) || (y != Move->ShiftY)) {
                  dx = x - Move->ShiftX;
                  dy = y - Move->ShiftY;
                  Move->ShiftX = x;
                  Move->ShiftY = y;
               } else {
                  dx = 0;
                  dy = 0;
               }
               if ((dx != 0) || (dy != 0)) {
                  if (bIsUpdateClip == RT_FALSE) {
                     bIsUpdateClip = RT_TRUE;
                     rtgui_widget_hide(Move->widget->parent);
                  }
                  rect = Move->widget->extent;
                  rect.x1 += dx;
                  rect.x2 += dx;
                  rect.y1 += dy;
                  rect.y2 += dy;
                  rtgui_widget_set_rect(Move->widget, &rect);
                  //Move->bIsMove = RT_TRUE;
                  bIsUpdate = RT_FALSE;
               }
               Move = Move->next;
            }
         }
#endif
         //控件隐藏功能
         Hide = WidgetHideTbl[view];
         while (Hide != RT_NULL) {
            //val = CheckDateRead(Hide->Type, Hide->Addr);
            Hide->Val = CheckDateRead(Hide->Type, Hide->Addr);
            if (Hide->Val == Hide->Const) {
               if (RTGUI_WIDGET_BHIDE(Hide->widget)) {
                  RTGUI_WIDGET_SET_UNBHIDE(Hide->widget);
                  RTGUI_WIDGET_UNHIDE(Hide->widget);
                  if (bIsUpdate == RT_TRUE) {
                     //(IsDownWinOpen() == RT_TRUE)) {
                     rtgui_widget_update(Hide->widget);
                  }
               }
            } else {
               if (!RTGUI_WIDGET_BHIDE(Hide->widget)) {
                  bIsUpdate = RT_FALSE;
                  RTGUI_WIDGET_SET_BHIDE(Hide->widget);
                  rtgui_widget_hide(Hide->widget);
               }
            }
            Hide = Hide->next;
         }

//控件刷新功能
         Monitor = WidgetMonitorTbl[view];
         if ((bIsUpdate == RT_TRUE) || (IsNumPadOpen() == RT_TRUE) ||
             (IsDownWinOpen() == RT_TRUE)) {
            bUpdateWidget = RT_TRUE;
         } else {
            bUpdateWidget = RT_FALSE;
         }
         while (Monitor != RT_NULL) {
            Monitor->Val = CheckDateRead(Monitor->Type, Monitor->Addr);
            if (Monitor->Val != Monitor->GetVal(Monitor->widget)) {

Monitor->SetVal(Monitor->widget, Monitor->Val, bIsUpdate);
            }
            Monitor = Monitor->next;
         }

if (bIsUpdate == RT_FALSE) {
            Parent = RTGUI_WIDGET(GuiGetGurView());
            if (bIsUpdateClip == RT_TRUE) {
               bIsUpdateClip = RT_FALSE;
               rtgui_widget_show(Parent);
               rtgui_widget_update_clip(Parent);
            }
            //if ((IsNumPadOpen() == RT_FALSE) && (IsDownWinOpen() == RT_FALSE)) {
            bIsUpdate = RT_TRUE;
            rtgui_widget_update(RTGUI_WIDGET(Parent));
         }
      } else {
         //GuiUpdateComError();
         //rt_kprintf("通讯出错.
");
         GuiErrCom(RT_TRUE);
      }

这个是显示窗口的时候屏蔽了的。
如果 if ((IsNumPadOpen() == RT_FALSE) && (IsDownWinOpen() == RT_FALSE)) 去掉，那也就是说不管任何怀况下都会刷新，那结果就是当出有打开窗口的时候，窗口会给刷掉，但是如果此时重新刷新下windows，还是可以正常显示的。
但是如果改成

while (1) {
      result = rt_sem_take(&GuiUpdateSem, 500);
      if (result == RT_EOK) {
         while (rt_sem_take(&GuiUpdateSem, RT_WAITING_NO) == RT_EOK);
         //bIsUpdate = RT_TRUE;
         GuiErrCom(RT_FALSE);
         if ((IsNumPadOpen() == RT_FALSE) && (IsDownWinOpen() == RT_FALSE)) {
            bIsUpdate = GuiReadViewRun();
         }
         view = GuiGetCurViewNum();

#if 1
         //控件移动功能
       //  if ((IsNumPadOpen() == RT_FALSE) && (IsDownWinOpen() == RT_FALSE)) {
            
            Move = WidgetMoveTbl[view];
            while (Move != RT_NULL) {
               x = CheckDateRead(Move->ShiftType, Move->XShiftAddr);
               y = CheckDateRead(Move->ShiftType, Move->YShiftAddr);
               if ((x != Move->ShiftX) || (y != Move->ShiftY)) {
                  dx = x - Move->ShiftX;
                  dy = y - Move->ShiftY;
                  Move->ShiftX = x;
                  Move->ShiftY = y;
               } else {
                  dx = 0;
                  dy = 0;
               }
               if ((dx != 0) || (dy != 0)) {
                  if (bIsUpdateClip == RT_FALSE) {
                     bIsUpdateClip = RT_TRUE;
                     rtgui_widget_hide(RTGUI_WIDGET(main_win));
                  }
                  rect = Move->widget->extent;
                  rect.x1 += dx;
                  rect.x2 += dx;
                  rect.y1 += dy;
                  rect.y2 += dy;
                  rtgui_widget_set_rect(Move->widget, &rect);
                  //Move->bIsMove = RT_TRUE;
                  bIsUpdate = RT_FALSE;
               }
               Move = Move->next;
            }
         }
#endif
         //控件隐藏功能
         Hide = WidgetHideTbl[view];
         while (Hide != RT_NULL) {
            //val = CheckDateRead(Hide->Type, Hide->Addr);
            Hide->Val = CheckDateRead(Hide->Type, Hide->Addr);
            if (Hide->Val == Hide->Const) {
               if (RTGUI_WIDGET_BHIDE(Hide->widget)) {
                  RTGUI_WIDGET_SET_UNBHIDE(Hide->widget);
                  RTGUI_WIDGET_UNHIDE(Hide->widget);
                  if (bIsUpdate == RT_TRUE) {
                     //(IsDownWinOpen() == RT_TRUE)) {
                     rtgui_widget_update(Hide->widget);
                  }
               }
            } else {
               if (!RTGUI_WIDGET_BHIDE(Hide->widget)) {
                  bIsUpdate = RT_FALSE;
                  RTGUI_WIDGET_SET_BHIDE(Hide->widget);
                  rtgui_widget_hide(Hide->widget);
               }
            }
            Hide = Hide->next;
         }

//控件刷新功能
         Monitor = WidgetMonitorTbl[view];
         if ((bIsUpdate == RT_TRUE) || (IsNumPadOpen() == RT_TRUE) ||
             (IsDownWinOpen() == RT_TRUE)) {
            bUpdateWidget = RT_TRUE;
         } else {
            bUpdateWidget = RT_FALSE;
         }
         while (Monitor != RT_NULL) {
            Monitor->Val = CheckDateRead(Monitor->Type, Monitor->Addr);
            if (Monitor->Val != Monitor->GetVal(Monitor->widget)) {

Monitor->SetVal(Monitor->widget, Monitor->Val, bIsUpdate);
            }
            Monitor = Monitor->next;
         }

if (bIsUpdate == RT_FALSE) {
            Parent = RTGUI_WIDGET(GuiGetGurView());
            if (bIsUpdateClip == RT_TRUE) {
               bIsUpdateClip = RT_FALSE;
               rtgui_widget_show(RTGUI_WIDGET(main_win));
               rtgui_widget_update_clip(RTGUI_WIDGET(main_win));
            }
            //if ((IsNumPadOpen() == RT_FALSE) && (IsDownWinOpen() == RT_FALSE)) {
            bIsUpdate = RT_TRUE;
            rtgui_widget_update(RTGUI_WIDGET(main_win));
         }
      } else {
         //GuiUpdateComError();
         //rt_kprintf("通讯出错.
");
         GuiErrCom(RT_TRUE);
      }
```

那么windows不会给刷掉，但是上面的控件会给下面的控件覆盖掉。