old-mginit

这是一个MINITGUI2。0的应用程序

/* 
** $Id: mginit.c,v 1.20 2006/06/12 06:40:35 weiym Exp $
**
** Listing 31.1
**
** mginit.c: Sample program for MiniGUI Programming Guide
**      A simple mginit program.
**
** Copyright (C) 2003 ~ 2006 Feynman Software.
**
** License: GPL
*/

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <signal.h>
#include <time.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <sys/ipc.h>
#include <sys/msg.h>
#include <minigui/common.h>
#include <minigui/minigui.h>
#include <minigui/gdi.h>
#include <minigui/window.h>

#include "tryttys1.c"

#define FIFO_SERVER "/tmp/fifoserver" 
#define SIG_CHAILL 1111
static BOOL quit = FALSE;

static void on_new_del_client (int op, int cli)
{       
    	static int nr_clients = 0;

    	if (op == LCO_NEW_CLIENT) {
        	nr_clients ++;
    	}   
    	else if (op == LCO_DEL_CLIENT) {
        	nr_clients --;
        	if (nr_clients == 0) {
            		printf ("There is no any client, I will quit.\n");
            		quit = TRUE;
        	}               
        	else if (nr_clients < 0) {
            	printf ("Serious error: nr_clients less than zero.\n");
             	}
    	}
    	else
        	printf ("Serious error: incorrect operations.\n");
}

static pid_t exec_app (const char* file_name, const char* app_name)
{
    	pid_t pid = 0;

    	if ((pid = vfork ()) > 0) {
        	fprintf (stderr, "new child, pid: %d.\n", pid);
    	}
    	else if (pid == 0) {
        	execl (file_name, app_name, NULL);
        	perror ("execl");
        	_exit (1);
    	}
    	else {
        	perror ("vfork");
    	}

    	return pid;
}

static unsigned int old_tick_count;

static pid_t pid_scrnsaver = 0;

static int my_event_hook (PMSG msg)
{
    	old_tick_count = GetTickCount ();

    	if (pid_scrnsaver) {
        	kill (pid_scrnsaver, SIGINT);
        	ShowCursor (TRUE);
        	pid_scrnsaver = 0;
    	}

    	if (msg->message == MSG_KEYDOWN) {
        	switch (msg->wParam) {
            	case SCANCODE_F1:
               		exec_app ("./edit", "edit");
               	break;
            	case SCANCODE_F2:
               		exec_app ("./timeeditor", "timeeditor");
               	break;
            	case SCANCODE_F3:
               		exec_app ("./propsheet", "propsheet");
               	break;
            	case SCANCODE_F4:
               		exec_app ("./bmpbkgnd", "bmpbkgnd");
               	break;
		}
    	}

    	return HOOK_GOON;
}

static int ttys_pipe[2];


static void child_wait (int sig)
{
    	int pid;
    	int status;

    	while ((pid = waitpid (-1, &status, WNOHANG)) > 0) {
        	if (WIFEXITED (status))
            		printf ("--pid=%d--status=%x--rc=%d---\n", pid, status, WEXITSTATUS(status));
        	else if (WIFSIGNALED(status))
            		printf ("--pid=%d--signal=%d--\n", pid, WTERMSIG (status));
    	}
}
static char id_buf[15];  //储藏从串口读出的数据
static char c[15];
static int buf_key = 0;
static void mes_wait (int sig)
{
	int len = 0;
	//char c[15];
	//MSG msg;
	printf("now in mes_wait haha\n");
	
	memset(c,0,sizeof c);
	if(len = read(ttys_pipe[0],&c,15) < 0){
		printf("read err\n");
	}
	else{
		buf_key = 1;
		printf("read proboly ok \n");
	}
	printf ("the buf is %s",c);
	printf("\n");
	
	//printf("before send message\n");
	/*
	if(Send2TopMostClients( MSG_KEYUP, 75, 131200) == TRUE) printf ("send message ok\n");
	else printf("send message err kuba\n");
	if(Send2TopMostClients( MSG_CHAR, 75, 131200) == TRUE) printf ("send message ok\n");
	else printf("send message err kuba\n");
	printf("after send message \n");
	*/
	//SendMessage(HWND_DESKTOP, MSG_KEYUP, 75, 131200);
}
/*监听串口，有数据发送相关信号*/
static pid_t listenttys(void){
	pid_t pid = 0;

    	if ((pid = fork ()) > 0) {
        	fprintf (stderr, "new child, pid: %d.\n", pid);
    	}
    	else if (pid == 0) {
			
        		int ttys1_fb;
			int ret,res;
			char buf[15];
			int fb,real_wnum;
			
			struct sigaction siga_mes;

			unsigned int num = 0;
			fd_set rds;
			
			siga_mes.sa_handler = mes_wait;
    			siga_mes.sa_flags  = 0;
    			memset (&siga_mes.sa_mask, 0, sizeof(sigset_t));
    			sigaction (SIGUSR1, &siga_mes, NULL);
			
			
			ttys1_fb = initttyS1();
		while(1){
			
			FD_ZERO(&rds);
			FD_SET(ttys1_fb, &rds);
			//printf("before select\n");
			//usleep(100000);
			ret = select(ttys1_fb + 1, &rds, NULL, NULL, NULL);
			//sleep(10);
			if (ret < 0) {
				perror("select");
				exit(1);
			}		
			if (ret == 0) { 
				printf("Timeout.\n");
			}else if (FD_ISSET(ttys1_fb, &rds)) {
				//usleep(100000);
				res = read(ttys1_fb,buf,15);
				buf[res] = 0;
				printf ("res = %d  ",res);
				printf(":%s\n", buf);
				if(write(ttys_pipe[1],buf,15) < 0){
					printf("ttys write err\n");
				}
				else{
					printf("ttys write okok \n");
				}
				raise(SIGUSR1);
			}
	     	}
        	_exit (1);
    	}
    	else {
        	perror ("fork");
    	}

    	return pid;	
}



int MiniGUIMain (int args, const char* arg[])
{
	//static int ttyS1_fb;
	int fb;
    	MSG msg;
    	struct sigaction siga;

    	siga.sa_handler = child_wait;
    	siga.sa_flags  = 0;
    	memset (&siga.sa_mask, 0, sizeof(sigset_t));
    	sigaction (SIGCHLD, &siga, NULL);

    	OnNewDelClient = on_new_del_client;

    	if (!ServerStartup (0 , 0 , 0)) {
        	fprintf (stderr, "Can not start the server of MiniGUI-Processes: mginit.\n");
        return 1;
    	}


    	SetServerEventHook (my_event_hook);

    	if (args > 1) {
        	if (exec_app (arg[1], arg[1]) == 0)
            	return 3;
    	}
    	else {
        	if (exec_app ("./helloword", "helloworld") == 0)
            	return 3;
    	}

    	old_tick_count = GetTickCount ();

	//memset(r_buf, 0, sizeof(r_buf));HWND_DESKTOP
	//memset(w_buf, 0, sizeof(w_buf));
	if(pipe(ttys_pipe) == -1){
		printf("open pipe error\n");
		return -1;
	}
	
	listenttys();  //打开串口监听进程
	while (!quit && GetMessage (&msg, HWND_DESKTOP)) {
		
		//SendMessage(HWND_DESKTOP, MSG_KEYDOWN, 75, 131200);
		//SendMessage(HWND_DESKTOP, MSG_KEYDOWN, 82, 131200);
		//printf("main msg.HWND = %d, msg.type=%d\n",msg.hwnd,msg.message);
		
		TranslateMessage(&msg);
		DispatchMessage (&msg);
    	}

    return 0;
}