sedit.c

来自「在smartarmm2200上显示波形实现暂停退出的功能」· C语言 代码 · 共 143 行

/****************************************************************************
* 文件名：Sedit.C
* 功能：MiniGUI应用例子。
*       使用MiniGUI创建主窗口，在窗口过程函数中处理字符消息，实现一个简
*       易编辑器的功能。       
* 说明：使用MiniGUI for uC/OS-II，使用ADS 1.2编译器。
****************************************************************************/
/* 包含MiniGUI的配置头文件(编译配置选项) */
#include "MiniGUI_config.h"

/* 包含MiniGUI头文件 */
#include "common.h"
#include "minigui.h"
#include "gdi.h"
#include "window.h"
#include "control.h"

HWND hMainWnd;


static int  WinProc(HWND hWnd, int message, WPARAM wParam, LPARAM lParam)
{   HDC  hdc;
    static char str_buf[1000];
    static int  no;
    static int  y;
    static int  char_w, char_h;

    switch(message)
    {  case MSG_CREATE:
          CreateCaret(hWnd, NULL, 2, GetSysCharHeight());			// create the caret is 2(width)
          SetCaretBlinkTime(hWnd, 500);
          char_w = GetSysCharWidth();
          char_h = GetSysCharHeight();
          sprintf(str_buf, "");
          no = 0;
          y = 0;
          break;
    
       case MSG_PAINT:
	      hdc = BeginPaint(hWnd);
	      TextOut(hdc, 0, y, str_buf);
	      EndPaint(hWnd, hdc);
          SetCaretPos(hWnd, 0,0);
	      break;

       case MSG_SETFOCUS:
          ShowCaret(hWnd);
          break;

       case MSG_KILLFOCUS:
          HideCaret(hWnd);
          break;

       case MSG_CLOSE:
          DestroyCaret(hWnd);				// destroy the caret
	      DestroyMainWindow(hWnd);
	      PostQuitMessage(hWnd);
	      break;

       case MSG_CHAR:
          if(wParam==127)
          {   if(no>0)
              {  no--;
                 str_buf[no] = ' ';
              }
          }
          else
          {   str_buf[no++] = wParam;
              str_buf[no] = '\0';
          }

          if( ((no%30) == 0) ||
              (wParam == 0x0D )
            )
          {   if(no>0)
              {   y = y + char_h;
                  no = 0;
                  str_buf[0] = '\0';
              }
          }

          hdc = BeginPaint(hWnd);
          TextOut(hdc, 0, y, str_buf);
          EndPaint(hWnd, hdc);
          SetCaretPos(hWnd, no * char_w, y);
          break;

       default:
	  return(DefaultMainWinProc(hWnd, message, wParam, lParam));
    }

    return(0);
}


int InitMainWindow(void)
{   MAINWINCREATE  window_info;

    window_info.dwStyle = WS_VISIBLE | WS_BORDER | WS_CAPTION;
    window_info.dwExStyle = WS_EX_IMECOMPOSE;
    window_info.spCaption = "Please input the key";
    window_info.hMenu = 0;
    window_info.hCursor = GetSystemCursor(0);
    window_info.hIcon = 0;
    window_info.MainWindowProc = WinProc;
    window_info.lx = 0;
    window_info.ty = 50;
    window_info.rx = 239;
    window_info.by = 250;
    window_info.iBkColor = COLOR_lightwhite;
    window_info.dwAddData = 0;
    window_info.hHosting = HWND_DESKTOP; 
    
    hMainWnd = CreateMainWindow (&window_info);
    if (hMainWnd == HWND_INVALID) return(0);
      else  return(1);
}


int  MiniGUIMain(int argc, const char *argv[])
{   MSG Msg;

#ifdef _LITE_VERSION
    SetDesktopRect(0,0, 800,600);
#endif

    InitMainWindow();
    ShowWindow(hMainWnd, SW_SHOWNORMAL);

    while (GetMessage(&Msg, hMainWnd)) 
    {   TranslateMessage(&Msg);
        DispatchMessage(&Msg);
    }
    
    MainWindowThreadCleanup (hMainWnd);

    return(0);
}

#ifndef _LITE_VERSION
	#include "dti.c"
#endif