desktop.c

基于嵌入式图形库microwindows编写的一个简单的桌面程序

/***************************************************************
	DeskTop of ARM300-S
	created by zhang kaohua 2004,3,22
	edited by ZOU JIAN GUO 2004-4-22 
****************************************************************/
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>

#include "windows.h"
#include "wintern.h"
#include "wintools.h"
#include "device.h"
#define APPCLASS	"test"

int run_cmd(int cmd);
int creat_button(HWND hwnd);
LRESULT CALLBACK WndProc(HWND hwnd, UINT Msg, WPARAM wp, LPARAM lp);
HWND CreateAppWindow(void);

int retval=0;
extern MWIMAGEHDR image_car8;
extern MWIMAGEHDR image_penguin;
extern MWIMAGEHDR image_microwin;

/******************************************************************************/
int RegisterAppClass(void)
{
	WNDCLASS	wc;

	wc.style = CS_DBLCLKS | CS_VREDRAW | CS_HREDRAW;
	wc.lpfnWndProc = (WNDPROC)WndProc;
	wc.cbClsExtra = 0;
	wc.cbWndExtra = 0;
	wc.hInstance = 0;
	wc.hIcon = 0; /*LoadIcon(GetHInstance(), MAKEINTRESOURCE( 1));*/
	wc.hCursor = 0; /*LoadCursor(NULL, IDC_ARROW);*/
	wc.hbrBackground = (HBRUSH)GetStockObject(GRAY_BRUSH);
	wc.lpszMenuName = NULL;
	wc.lpszClassName =  APPCLASS;
	return RegisterClass( &wc);
}

/******************************************************************************/
HWND CreateAppWindow(void)
{
	HWND	hwnd;
 	int 	width, height;
	RECT 	r;
	static int nextid = 0;

	GetWindowRect(GetDesktopWindow(), &r);
	width=320;
  	height=240;
 
	hwnd = CreateWindowEx(WS_EX_LAYERED, APPCLASS,
		"NETARM3000      www.up-tech.com",
		WS_OVERLAPPEDWINDOW | WS_VISIBLE,
		0, 0,
		width, height,
		NULL, (HMENU)++nextid, NULL, NULL);
 
  	return hwnd;
}
/******************************************************************************/
LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wp, LPARAM lp)
{
  
  	PAINTSTRUCT	ps;
	HWND	sibwp;
	HDC		hdcMem=NULL;
	HDC 	hdc=NULL;
  	HBITMAP	hbmp, hbmpOrg;
	HBRUSH	hbr; 
	RECT		rc;
  	int ret; //get the value of function system()
  	extern int mwpaintSerial;
  	
	MwRegisterButtonControl(NULL);
  	MwRegisterListboxControl(NULL);
	
	switch(msg) {
		case WM_ERASEBKGND:
			return 1;
 		case WM_PAINT:
    		mwforceNCpaint = TRUE;
		// repaint lower windows before alpha blending this window
			++hwnd->unmapcount;	 //tricky don't clip this window
			SendMessage(rootwp, WM_PAINT, 0, 0);

			for(sibwp=hwnd->siblings; sibwp; sibwp=sibwp->siblings) //????
				SendMessage(sibwp, WM_PAINT, 0, 0);
			--hwnd->unmapcount;
			// then queue repaint for higher windows
			for(sibwp=hwnd->parent->children; sibwp != hwnd; sibwp=sibwp->siblings)
			// don't paint if already painted by above code
				if(sibwp->paintSerial != mwpaintSerial)
					PostMessage(sibwp, WM_PAINT, 0, 0);
		// now paint this window offscreen and blend with screen
	
			hdc=BeginPaint(hwnd, &ps);
			GetClientRect(hwnd, &rc);
		// redirect painting to offscreen dc
			hdcMem  = CreateCompatibleDC(ps.hdc);
			hbmp    = CreateCompatibleBitmap(hdcMem, rc.right, rc.bottom);
			hbmpOrg = SelectObject(hdcMem, hbmp);
		// paint window to offscreen
			hbr = (HBRUSH)GetClassLong(hwnd, GCL_HBRBACKGROUND);
			FillRect(hdcMem, &rc, hbr);
			SelectObject(hdcMem, GetStockObject(DEFAULT_GUI_FONT));
			SetBkMode(hdcMem, TRANSPARENT);
    		DeleteObject(SelectObject(hdcMem, hbmpOrg));
			DeleteDC(hdcMem);
   			EndPaint(hwnd, &ps);
				
			creat_button(hwnd);
			break; 
		case WM_COMMAND:
	  		ret=run_cmd(LOWORD(wp));
			if(ret==0) exit(0);
			else exit(1); 
			break;    
		default:
			return DefWindowProc( hwnd, msg, wp, lp);
	}
	return( 0);
}
/******************************************************************************/
int creat_button(HWND hwnd)
{			
    int mode=WS_CHILD | WS_VISIBLE | WS_BORDER;
	
	CreateWindowEx(0L, "BUTTON",	"DRAW",	mode,
		20, 145, 60, 20,
		hwnd, (HMENU)1, NULL, NULL);
    CreateWindowEx(0L, "BUTTON",	"TPDRAW",mode,
		90, 145, 60, 20,
		hwnd, (HMENU)2, NULL, NULL);
    CreateWindowEx(0L, "BUTTON",	"EVENT",	mode,
		160, 145, 60, 20,
		hwnd, (HMENU)3, NULL, NULL);
    CreateWindowEx(0L, "BUTTON",	"MINE",	mode,
		230, 145, 60, 20,
		hwnd, (HMENU)4, NULL, NULL);
    CreateWindowEx(0L, "BUTTON",	"AD",	mode,
		20, 170, 60, 20,
		hwnd, (HMENU)5, NULL, NULL);
    CreateWindowEx(0L, "BUTTON",	"MP3PLAY",	mode,
		90, 170, 60, 20,
		hwnd, (HMENU)6, NULL, NULL);
    CreateWindowEx(0L, "BUTTON",	"WAVPLAY",mode,
		160, 170, 60, 20,
		hwnd, (HMENU)7, NULL, NULL);
    CreateWindowEx(0L, "BUTTON","Motor",mode,
		230, 170, 60, 20,
		hwnd, (HMENU)8, NULL, NULL);
    CreateWindowEx(0L, "BUTTON",	"HTTPD",mode,
		20, 195, 60, 20,
		hwnd, (HMENU)9, NULL, NULL);
    CreateWindowEx(0L, "BUTTON",	"LED",mode,
		90, 195, 60, 20,
		hwnd, (HMENU)10, NULL, NULL);
    CreateWindowEx(0L, "BUTTON",	"FONT",mode,
		160, 195, 60, 20,
		hwnd, (HMENU)11, NULL, NULL);
    CreateWindowEx(0L, "BUTTON",	"QUIT",mode,
		230, 195, 60, 20,
		hwnd, (HMENU)12, NULL, NULL);
	return 0;  
}  
/******************************************************************************/
int run_cmd(int cmd)
{
  	int ret=0; //get the value of function system()
	switch(cmd){
	case 1:
       	ret=system("/mnt/yaffs/mw/demodraw");
       	SendMessage(rootwp, WM_PAINT, 0, 0);
       	break;
	case 2:
       	ret=system("/mnt/yaffs/mw/demotpdraw");
		break;
	case 3:
       	ret=system("/mnt/yaffs/mw/demoevent");
		break;
	case 4:
       	ret=system("/mnt/yaffs/mw/mine");
       	break;
    case 5:
       	ret=system("/mnt/yaffs/exp/acq");
     	break;
    case 6:
       ret=system("/mnt/yaffs/sound/madplay /mnt/yaffs/sound/1.mp3");
       break;
	case 7:
       ret=system("/mnt/yaffs/sound/wavplay /mnt/yaffs/sound/1.wav");
       break;
    case 8:
       ret=system("/mnt/yaffs/exp/motor");
       break;
    case 9:
       ret=system("cd /mnt/yaffs/web; /mnt/yaffs/web/httpd; cd ..");
       break;
    case 10:

       ret=system("/mnt/yaffs/exp/led");
		sleep(2);
       ret=system("/mnt/yaffs/exp/led 12345678");
		sleep(2);
       ret=system("/mnt/yaffs/exp/led fedcba");
		break;
    case 11:
       	ret=system("cd /mnt/yaffs/font; /mnt/yaffs/font/demofont;cd ..");
       break;
    case 12:
		ret=1;
		break;
    default:
       break;
    }
	retval=ret;
	return ret;
}
/******************************************************************************/
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, 
                   LPSTR lpCmdLine,	int nShowCmd)
{ 
	MSG msg;
  	HWND hwnd;
  	mwERASEMOVE = FALSE;
	RegisterAppClass();
	MwSetDesktopWallpaper(&image_microwin);
	UpdateWindow(GetDesktopWindow());
	
	hwnd=CreateAppWindow();
  	ShowWindow(hwnd,SW_SHOWMAXIMIZED);

	while( GetMessage(&msg, NULL, 0, 0)) {
		TranslateMessage(&msg);
		DispatchMessage(&msg);
	}
	DestroyWindow(hwnd);
	DestroyWindow(GetDesktopWindow());
	return retval;
}