EMWin对话框Diolog学习

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 10:12

1：实例DIALOG_Count.c
效果

#include "DIALOG.h"

static const GUI_WIDGET_CREATE_INFO _aDialogCreate[] = {
{ FRAMEWIN_CreateIndirect,"Counting...",    0,     30, 90, 260, 140, FRAMEWIN_CF_MOVEABLE },
{TEXT_CreateIndirect,    "00",    GUI_ID_TEXT0,   10, 10, 120, 80 },
{RADIO_CreateIndirect,   "",      GUI_ID_RADIO0, 150, 10,100, 80, 0, 4 },
{BUTTON_CreateIndirect,  "OK",    GUI_ID_OK,      10, 100, 60, 18 },
{BUTTON_CreateIndirect,  "Cancel", GUI_ID_CANCEL, 180,100, 60, 18 },
};

static const char * _apLabel[] = {
"GUI_FontFD32",
"GUI_FontFD48",
"GUI_FontFD64",
"GUI_FontFD80",
};

static const GUI_FONT * _apFont[] = {
&GUI_FontD32,
&GUI_FontD48,
&GUI_FontD64,
&GUI_FontD80
};

static const char * _asExplain[] = {
"Please use the RADIO buttons to select",
"the big digit font used for counting."
};

static void _SetFont(WM_HWIN hDlg) {
WM_HWIN hItem;
int Index;
hItem = WM_GetDialogItem(hDlg,GUI_ID_RADIO0);
Index = RADIO_GetValue(hItem);
hItem = WM_GetDialogItem(hDlg,GUI_ID_TEXT0);
TEXT_SetFont(hItem, _apFont[Index]);
}

static void _cbBkWindow(WM_MESSAGE * pMsg) {
unsigned i;
switch (pMsg->MsgId) {
case WM_PAINT:
   GUI_SetBkColor(GUI_BLUE);
   GUI_Clear();
   GUI_SetColor(GUI_WHITE);
   GUI_SetFont(&GUI_Font24_ASCII);
   GUI_DispStringHCenterAt("Counting Sample", 160, 5);
   GUI_SetFont(&GUI_Font8x16);
    for (i = 0;i < GUI_COUNTOF(_asExplain); i++) {
     GUI_DispStringAt(_asExplain[i], 5, 40 + i * 16);
    }
default:
   WM_DefaultProc(pMsg);
}
}

static void _cbCallback(WM_MESSAGE * pMsg) {
unsigned i;
int NCode, Id;
WM_HWIN hDlg, hItem;
hDlg = pMsg->hWin;
switch (pMsg->MsgId) {
    caseWM_INIT_DIALOG: //初始化对话框
     hItem = WM_GetDialogItem(hDlg, GUI_ID_RADIO0);
     for (i = 0; i < GUI_COUNTOF(_apLabel); i++) {
       RADIO_SetText(hItem, _apLabel[i], i);
     }
     _SetFont(hDlg);
     break;
    caseWM_NOTIFY_PARENT: //事件类型为通知父窗口
     Id    =WM_GetId(pMsg->hWinSrc);
     NCode =pMsg->Data.v;
     switch (NCode) {
     case WM_NOTIFICATION_VALUE_CHANGED:
       _SetFont(hDlg);
       break;
     caseWM_NOTIFICATION_RELEASED:
       if (Id == GUI_ID_OK){
         GUI_EndDialog(hDlg, 0);
       }
       if (Id == GUI_ID_CANCEL){
         GUI_EndDialog(hDlg, 1);
       }
       break;
     }
     break;
   default:
     WM_DefaultProc(pMsg);
}
}

void MainTask(void) {
int Value = 0;
WM_HWIN hDlgFrame;
GUI_Init();
WM_SetCallback(WM_HBKWIN,_cbBkWindow);
WM_SetCreateFlags(WM_CF_MEMDEV);
hDlgFrame = 0;
while(1) {
    WM_HWINhDlg, hText;
    characText[3] = {0};
   GUI_Delay(150);
    if(!WM_IsWindow(hDlgFrame)) { //判断是否存在窗口
       hDlgFrame =GUI_CreateDialogBox(_aDialogCreate, GUI_COUNTOF(_aDialogCreate),&_cbCallback, 0, 0, 0);//创建对话框返回句柄
    }
    Value =(Value + 1) % 100;
    acText[0] ='0' + Value / 10;
    acText[1] ='0' + Value % 10;
    hDlg =WM_GetClientWindow(hDlgFrame);//获取客户端窗口的句柄
    hText =WM_GetDialogItem(hDlg, GUI_ID_TEXT0);//返回对话框的窗口句柄
   TEXT_SetText(hText, acText);//设置文本小工具的文本内容
}
}

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