EMWin实现点击文本就可以改变radio…

来源：互联网发布：淘宝主图怎么设计编辑：程序博客网时间：2024/05/29 12:26

实例DIALOG_Radio.c
效果： EMWin实现点击文本就可以改变radio的状态

#include
#include "GUI.h"
#include "DIALOG.h"

static const GUI_WIDGET_CREATE_INFO _aDialogCreate[] = {
{ FRAMEWIN_CreateIndirect, "Radio buttonsample",0,       30, 70, 260, 100, FRAMEWIN_CF_MOVEABLE },
{RADIO_CreateIndirect,    NULL,          GUI_ID_RADIO0,  5, 10,  0,  0,   0, 3},
{TEXT_CreateIndirect,    "Suspend",      GUI_ID_TEXT0,  25, 10, 70, 20, TEXT_CF_LEFT },
{TEXT_CreateIndirect,    "Shutdown",    GUI_ID_TEXT1,  25, 30, 70, 20, TEXT_CF_LEFT },
{TEXT_CreateIndirect,    "Restart after", GUI_ID_TEXT2,  25, 50, 70, 20, TEXT_CF_LEFT },
{TEXT_CreateIndirect,    "seconds",      GUI_ID_TEXT3, 130, 50, 70, 20, TEXT_CF_LEFT},
{EDIT_CreateIndirect,    "200",          GUI_ID_EDIT0,  95, 47, 30, 19, 0, 3},
{BUTTON_CreateIndirect,  "OK",           GUI_ID_OK,    180, 10, 60, 20 },
{BUTTON_CreateIndirect,  "Cancel",       GUI_ID_CANCEL, 180, 40, 60, 20 }
};

static void _cbBkWindow(WM_MESSAGE* pMsg) {
switch (pMsg->MsgId) {
case WM_PAINT:
   GUI_SetBkColor(GUI_RED);
   GUI_Clear();
   GUI_SetColor(GUI_WHITE);
   GUI_SetFont(&GUI_Font24_ASCII);
   GUI_DispStringHCenterAt("DIALOG_Radio - Sample", 160, 5);
    break;
default:
   WM_DefaultProc(pMsg);
}
}

static void _cbCallback(WM_MESSAGE * pMsg) {
WM_HWIN hDlg;
WM_HWIN hItem;
int    Sel;
int    NCode;
int    Id;

GUI_PID_STATE * pState;
hDlg = pMsg->hWin;
switch (pMsg->MsgId) {
    caseWM_INIT_DIALOG:
     hItem = WM_GetDialogItem(hDlg, GUI_ID_EDIT0);
     EDIT_SetDecMode(hItem, 30,   0,999, 0, 0);   // Select decimal mode
     WM_DisableWindow(hItem);
     break;
    caseWM_KEY:
     switch (((WM_KEY_INFO*)(pMsg->Data.p))->Key) {
       case GUI_KEY_ESCAPE:
         GUI_EndDialog(hDlg, 1);
         break;
       case GUI_KEY_ENTER:
         GUI_EndDialog(hDlg, 0);
         break;
     }
     break;
    caseWM_TOUCH_CHILD://实现点击文本就可以改变 radio button的状态
     Id =WM_GetId(pMsg->hWinSrc);     // Id of widget
     switch (Id) {
       case GUI_ID_TEXT0:
       case GUI_ID_TEXT1:
       case GUI_ID_TEXT2:
         pState = (GUI_PID_STATE *)((WM_MESSAGE*)pMsg->Data.p)->Data.p;
         if (pState) {
           if (pState->Pressed) {
             WM_HWIN hRadio = WM_GetDialogItem(hDlg, GUI_ID_RADIO0);
             RADIO_SetValue(hRadio, Id -GUI_ID_TEXT0);   // Use the text beside the radio button to
                                                           // set the value of the radio button
           }
         }
         break;
     }
     break;
    caseWM_NOTIFY_PARENT:
     Id    =WM_GetId(pMsg->hWinSrc);     // Id of widget
     NCode =pMsg->Data.v;                // Notification code
     switch (NCode) {
       caseWM_NOTIFICATION_RELEASED:     // React only if released
         switch (Id) {
           case GUI_ID_OK:
             GUI_EndDialog(hDlg, 0);
             break;
           case GUI_ID_CANCEL:
             GUI_EndDialog(hDlg, 1);
             break;
         }
         break;
       case WM_NOTIFICATION_VALUE_CHANGED:
         hItem = WM_GetDialogItem(hDlg, GUI_ID_RADIO0);
         Sel   =RADIO_GetValue(hItem);
         hItem = WM_GetDialogItem(hDlg, GUI_ID_EDIT0);
         WM_SetEnableState(hItem, Sel ==2);
         break;
     }
     break;
   default:
     WM_DefaultProc(pMsg);
}
}

void MainTask(void) {
GUI_Init();
WM_SetCallback(WM_HBKWIN,&_cbBkWindow);
WM_SetCreateFlags(WM_CF_MEMDEV); // Use memorydevices on all windows to avoid flicker
while (1) {
   GUI_ExecDialogBox(_aDialogCreate, GUI_COUNTOF(_aDialogCreate),&_cbCallback, 0, 0, 0);
   GUI_Delay(1000);
}
}

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