emwin之点击窗口的无效部分来实现一些功能

@2018-07-27

触摸屏幕窗口的无效部分实现 Dropdown 部件的折叠操作

> 具体代码

 1 case WM_TOUCH:
 2     if (pMsg->Data.p) // Something happened in our area (pressed or released)
 3     {  
 4         const GUI_PID_STATE* pState;
 5         pState = (const GUI_PID_STATE*)pMsg->Data.p;
 6             
 7         if (pState->Pressed) 
 8         {
 9             if (WM_GetFocussedWindow() != pMsg->hWin) 
10             {        
11                 hItem = WM_GetDialogItem(pMsg->hWin, ID_DROPDOWN_0);
12                     
13                 if(0 != DROPDOWN_GetListbox(hItem))
14                 {
15                     DROPDOWN_Collapse(hItem);
16                 }
17                     
18                 hItem = WM_GetDialogItem(pMsg->hWin, ID_DROPDOWN_1);
19                     
20                 if(0 != DROPDOWN_GetListbox(hItem))
21                 {
22                     DROPDOWN_Collapse(hItem);
23                 }
24                     
25                 hItem = WM_GetDialogItem(pMsg->hWin, ID_DROPDOWN_2);
26                     
27                 if(0 != DROPDOWN_GetListbox(hItem))
28                 {
29                     DROPDOWN_Collapse(hItem);
30                 }                    
31             }
32         }
33     }            
34     break;

 

转载于:https://www.cnblogs.com/skullboyer/p/9377893.html