interface.c~

gtk编程glade2制作界面的linux下的任务管理器 显示系统信息 进程信息 CPU占用率

/*
 * DO NOT EDIT THIS FILE - it is generated by Glade.
 */

#ifdef HAVE_CONFIG_H
#  include <config.h>
#endif

#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <string.h>
#include <stdio.h>
#include <fcntl.h>
#include <time.h>
#include <stdlib.h>

#include <gdk/gdkkeysyms.h>
#include <gtk/gtk.h>

#include "callbacks.h"
#include "interface.h"
#include "support.h"
#include "rd_proc.h"
#include <signal.h>

#define GLADE_HOOKUP_OBJECT(component,widget,name) \
  g_object_set_data_full (G_OBJECT (component), name, \
    gtk_widget_ref (widget), (GDestroyNotify) gtk_widget_unref)

#define GLADE_HOOKUP_OBJECT_NO_REF(component,widget,name) \
  g_object_set_data (G_OBJECT (component), name, widget)




/*******************************************************************/
gdouble rate = 0;
gdouble fuser = 0;							//先前CPU使用信息
gdouble ftotal = 0;							//先前CPU使用总量	
gdouble total = 0;
gboolean get_cpu_rate ( gpointer data)//获得cpu使用率
{
  int fd,i;
  gchar buffer[256];
  gchar *cpu_time[9];
  gchar *tmp;
  gchar *delim =  " ";
  gdouble cuser;
  gdouble ctotal;
GtkWidget *progressbar1=(GtkWidget *)data;	
  fd = open ("/proc/stat", O_RDONLY);//读取相关文件
  read (fd, buffer, sizeof (buffer));
  close (fd);
  tmp = strstr (buffer, "cpu0");//从开始到以"cpu0"为结束符的buffer的一部分字符到tmp
  tmp--;
  *tmp = '\0';
  cpu_time[0] = strtok (buffer, delim);//通过字符串分割得到目的字符串
  for (i = 1; i < 9 ; i++) {
	   cpu_time[i] = strtok (NULL, delim);
  }
  cuser = atoi (cpu_time[1]);//将字符串转换为长整数
  ctotal = (cuser + atoi (cpu_time[2]) + atoi (cpu_time[3]) + atoi (cpu_time[4]));
  total = ctotal - ftotal;
  rate = (cuser - fuser) / total;
  fuser = cuser;
  ftotal = ctotal;
  gtk_progress_bar_set_fraction (GTK_PROGRESS_BAR(progressbar1),rate); 
  return TRUE;
}
/*******************************************************************/

gboolean get_cpu_rate1 ( gpointer data)//获得cpu使用率
{
  gchar buff[256];
	GtkWidget *label19=(GtkWidget *)data;
rate=rate*100;
  sprintf(buff,"%2.1f",rate);
  //itoa((int)rate,buff,10);
  gtk_label_set_text(GTK_LABEL(label19),buff);
  return TRUE;
}






GtkWidget *treeview1;

int pid=0;
char proc_buff[256][5][32];


void selection_r(GtkWidget *clist,gint row,gint colunm,GdkEventButton *event,gpointer data)
{
    gchar *text;
    gtk_clist_get_text(GTK_CLIST(clist),row,colunm,&text);
    pid=atoi(proc_buff[row][2]);
}

void
on_button1_clicked                     (GtkButton       *button,
                                        gpointer         user_data)
{
	gtk_clist_clear(treeview1);
	int i;
  	char *buff[5];
  	//char *titles[]={"    进程名         " ,"  状态    ", "pid","nice","虚拟内存"};
  	int num_proc;	
  	//treeview1 =gtk_clist_new_with_titles(5,titles);
  	//gtk_signal_connect(GTK_OBJECT(treeview1),"select_row",GTK_SIGNAL_FUNC(selection_r),NULL);
  	num_proc=rd_proc(proc_buff);  
  	for(i=0;i<num_proc;i++){	
	buff[0] = proc_buff[i][0];
	buff[1] = proc_buff[i][1];
	buff[2] = proc_buff[i][2];
	buff[3] = proc_buff[i][3];
	buff[4] = proc_buff[i][4];
  	gtk_clist_append((GtkCList *)treeview1,buff);	
  }
  gtk_widget_show (treeview1);
	
}

void
on_button2_clicked                     (GtkButton       *button,
                                        gpointer        user_data)
{
	kill(pid,SIGKILL);
}
/*******************************************************************/

char buffer[1024],buf[1024]={0},*tempstr1,*tempstr2;
int fd,count,count1=0;

/*******************************************************************/


gint progress_timeout_time( gpointer data)
{
	char buf1[1024]={0};
	GtkWidget *label7=(GtkWidget *)data;
	  	fd=open("/proc/uptime",O_RDWR,S_IRWXG);	
		count=read(fd,buffer,1024);
		buffer[count-1]='\0';
	tempstr1=buffer;
	count1=0;
	while((*tempstr1)!=' '){
		count1++;
		tempstr1++;
	}
	strncat (buf1,buffer,count1);
	strcat(buf1,"  秒");
	gtk_label_set_text(GTK_LABEL(label7),buf1);
	return TRUE;
}
gint progress_timeout_time1( gpointer data)
{
	char buf[1024]={0};
	GtkWidget *label17=(GtkWidget *)data;
	time_t timer;
	struct tm  *timenow;
	timer=time(NULL);
	timenow = localtime(&timer);
	strncat(buf,asctime(timenow)+11,8);
	gtk_label_set_text(GTK_LABEL(label17),buf);
	return TRUE;
}


gint progress_timeout_time2( gpointer data)
{
	
	GtkWidget *label24=(GtkWidget *)data;
	fd=open("/proc/meminfo",O_RDWR,S_IRWXG);	
	count=read(fd,buffer,1024);
	buffer[count-1]='\0';
	tempstr1 = strstr(buffer,"MemFree");
	tempstr2 = strchr(tempstr1,':');
	tempstr2+=2;
	tempstr1=tempstr2;
	count1=0;
	while((*tempstr1)!='\n'){
		count1++;
		tempstr1++;
	}
	*buf='\0';
	strncat (buf,tempstr2,count1);	
	gtk_label_set_text(GTK_LABEL(label24),buf);
	return TRUE;
}




GtkWidget*
create_window1 (void)
{
  GtkWidget *window1;
  GtkWidget *notebook1;
  GtkWidget *fixed1;
  GtkWidget *image1;
  GtkWidget *frame2;
  GtkWidget *alignment2;
  GtkWidget *fixed5;
  GtkWidget *label26;
  GtkWidget *label27;
  GtkWidget *label10;
  GtkWidget *label29;
  GtkWidget *label30;
  GtkWidget *label28;
  GtkWidget *label25;
  GtkWidget *label9;
  GtkWidget *label8;
  GtkWidget *label4;
  GtkWidget *label5;
  GtkWidget *label11;
  GtkWidget *label7;
  GtkWidget *label16;
  GtkWidget *label17;
  GtkWidget *label31;
  GtkWidget *label1;
  GtkWidget *fixed2;
  GtkWidget *progressbar1;
  GtkWidget *frame1;
  GtkWidget *alignment1;
  GtkWidget *fixed4;
  GtkWidget *label23;
  GtkWidget *label22;
  GtkWidget *label21;
  GtkWidget *label24;
  GtkWidget *label20;
  GtkWidget *button3;
  GtkWidget *button4;
  GtkWidget *label19;
  GtkWidget *label18;
  GtkWidget *label2;
  GtkWidget *fixed3;
  GtkWidget *scrolledwindow1;
  //GtkWidget *treeview1;
  GtkWidget *button1;
  GtkWidget *button2;
  GtkWidget *label3;

  window1 = gtk_window_new (GTK_WINDOW_TOPLEVEL);
  gtk_window_set_title (GTK_WINDOW (window1), _("\347\263\273\347\273\237\347\233\221\350\247\206\345\231\250"));

  notebook1 = gtk_notebook_new ();
  gtk_widget_show (notebook1);
  gtk_container_add (GTK_CONTAINER (window1), notebook1);

  fixed1 = gtk_fixed_new ();
  gtk_widget_show (fixed1);
  gtk_container_add (GTK_CONTAINER (notebook1), fixed1);

  image1 = create_pixmap (window1, "1.JPG");
  gtk_widget_show (image1);
  gtk_fixed_put (GTK_FIXED (fixed1), image1, 8, 0);
  gtk_widget_set_size_request (image1, 176, 248);

  frame2 = gtk_frame_new (NULL);
  gtk_widget_show (frame2);
  gtk_fixed_put (GTK_FIXED (fixed1), frame2, 216, 64);
  gtk_widget_set_size_request (frame2, 320, 96);
  gtk_frame_set_shadow_type (GTK_FRAME (frame2), GTK_SHADOW_NONE);

  alignment2 = gtk_alignment_new (0.5, 0.5, 1, 1);
  gtk_widget_show (alignment2);
  gtk_container_add (GTK_CONTAINER (frame2), alignment2);
  gtk_alignment_set_padding (GTK_ALIGNMENT (alignment2), 0, 0, 12, 0);

  fixed5 = gtk_fixed_new ();
  gtk_widget_show (fixed5);
  gtk_container_add (GTK_CONTAINER (alignment2), fixed5);
  gtk_widget_set_size_request (fixed5, 300, 128);

  label26 = gtk_label_new (_("\344\270\273\351\242\221"));
  gtk_widget_show (label26);
  gtk_fixed_put (GTK_FIXED (fixed5), label26, 32, 24);
  gtk_widget_set_size_request (label26, 46, 17);

  label27 = gtk_label_new (_("\347\274\223\345\255\230"));
  gtk_widget_show (label27);
  gtk_fixed_put (GTK_FIXED (fixed5), label27, 32, 40);
  gtk_widget_set_size_request (label27, 48, 16);

  label10 = gtk_label_new (_("\345\236\213\345\217\267"));
  gtk_widget_show (label10);
  gtk_fixed_put (GTK_FIXED (fixed5), label10, 24, 8);
  gtk_widget_set_size_request (label10, 64, 16);

/*******************************************************************/
  fd=open("/proc/sys/kernel/hostname",O_RDWR,S_IRWXG);
  count=read(fd,buffer,1024);
  buffer[count-1]='\0';
  label4 = gtk_label_new(buffer);
/*******************************************************************/ 
  gtk_widget_show (label4);
  gtk_fixed_put (GTK_FIXED (fixed1), label4, 304, 16);
  gtk_widget_set_size_request (label4, 184, 16);



/*******************************************************************/
  //fd=open("/proc/sys/kernel/osrelease",O_RDWR,S_IRWXG);
FILE *fp = fopen("/proc/sys/kernel/osrelease", "r");
  //*buffer='\0';
  //count=read(fd,buffer,1024);
  //buffer[count-1]='\0';
fgets(buffer, 1024, fp);
fclose(fp);
  label5 = gtk_label_new(buffer);
/*******************************************************************/ 

  gtk_widget_show (label5);
  gtk_fixed_put (GTK_FIXED (fixed1), label5, 296, 32);
  gtk_widget_set_size_request (label5, 200, 16);
/*******************************************************************/ 
  label7 = gtk_label_new (" ");
  gtk_timeout_add (1000, progress_timeout_time,label7);
  gtk_widget_show (label7);
  gtk_fixed_put (GTK_FIXED (fixed1), label7, 360, 168);
  gtk_widget_set_size_request (label7, 128, 16);



/*******************************************************************/ 

	label17 = gtk_label_new (" ");
	gtk_timeout_add (1000, progress_timeout_time1,label17);
  //label17 = gtk_label_new (_("label17"));
  gtk_widget_show (label17);
  gtk_fixed_put (GTK_FIXED (fixed1), label17, 352, 184);
  gtk_widget_set_size_request (label17, 152, 16);


/*******************************************************************/ 
	fd=open("/proc/cpuinfo",O_RDWR,S_IRWXG);