sub1.c

这是基于linux平台下关于多进程进度条控制的程序

#include<gtk/gtk.h>
int count;
int j=0;
GtkWidget *scl[3];
GtkWidget *button1;
GtkWidget *lab;
GdkColor color;

gboolean flag=TRUE;
void pauce_continue(GtkWidget *w,GdkEvent *e,gpointer data)
{

  flag=!flag;
  if(!flag)
   {  
     gtk_label_set_text(GTK_LABEL(lab),"sub1 has ben paused!");
     gtk_button_set_label(GTK_BUTTON(button1),"run"); 
     }
  else{
      gtk_label_set_text(GTK_LABEL(lab),"sub1 is running now!");
      gtk_button_set_label(GTK_BUTTON(button1),"pause");
      } 
  }
gboolean updateprogress()
{    
  if(flag)
   { 
   count+=2;
   if(count>100)
    {count=0;
     j++;
     if(j>=3)
       { 
        gtk_label_set_text(GTK_LABEL(lab),"sub1 has finished running!");
        return FALSE;
       
        }
     }
    gtk_progress_bar_update(GTK_PROGRESS_BAR(scl[j]),(float)(count)/100.0);
  
    }
  return TRUE;
 }
gint delete_event( GtkWidget *widget,
                   GdkEvent  *event,
                   gpointer   data )
{   printf("sub1 quit!\n");
    gtk_main_quit ();
    return FALSE;
}
int main( int   argc, char *argv[] )
{  
    GtkWidget *window;
    GtkWidget *button;
    GtkWidget *table;
    gint i,*x,*y;
    gint timer;
    count=0;
    gtk_init (&argc, &argv);
    color.red = 0;
    color.blue = 65535;
    color.green = 0;
    
    
    window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
    
    gtk_window_set_title (GTK_WINDOW (window), "SUB1");
    g_signal_connect (G_OBJECT (window), "delete_event",G_CALLBACK (delete_event), NULL);
   
    timer=gtk_timeout_add(100,(GtkFunction)updateprogress,NULL);
    gtk_container_set_border_width (GTK_CONTAINER (window), 20);
    
    table = gtk_table_new (10, 2, TRUE);
    gtk_container_add (GTK_CONTAINER (window), table);
    button1=gtk_button_new_with_label("pause");
    lab=gtk_label_new("sub1 is running now!");
    button = gtk_button_new_with_label ("Quit");
    g_signal_connect(G_OBJECT(button1),"clicked",G_CALLBACK(pauce_continue),NULL); 
    g_signal_connect (G_OBJECT (button), "clicked",G_CALLBACK (delete_event), NULL);
    gtk_widget_modify_bg (GTK_WINDOW(window), GTK_STATE_NORMAL, &color);   
    gtk_window_resize(GTK_WINDOW(window),300,240);      
   if(argc==2)
     {
    if(strcmp(argv[1],"1")==0)
     gtk_window_move(GTK_WINDOW(window),20,20);
    else 
    if(strcmp(argv[1],"2")==0)
    gtk_window_move(GTK_WINDOW(window),340,20);
    else 
    gtk_window_move(GTK_WINDOW(window),680,20);      
     }                                 
    for(i=0;i<3;i++)
    {    
      scl[i]=gtk_progress_bar_new();
      gtk_progress_bar_update(GTK_PROGRESS_BAR(scl[i]),0);
      gtk_table_attach_defaults(GTK_TABLE(table),scl[i],0,2,i+2,i+3);
      gtk_widget_show(scl[i]);
    
       }
    gtk_table_attach_defaults(GTK_TABLE(table),lab,0,2,0,2);
    gtk_table_attach_defaults(GTK_TABLE(table),button1,0,1,7,9);
    gtk_table_attach_defaults(GTK_TABLE(table),button,1,2,7,9);
    gtk_widget_show (button1);
    gtk_widget_show(button);
    gtk_widget_show(lab);
    gtk_widget_show (table);
    gtk_widget_show (window);
    gtk_main ();
    return 0;
}