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 Forum index » Off-Topic Area » Programming
Several progress bars inside a single window script [SOLVED]
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Argolance


Joined: 06 Jan 2008
Posts: 1404
Location: PORT-BRILLET (Mayenne - France)
PostPosted: Mon 30 Jul 2012, 10:16    Post_subject:  Several progress bars inside a single window script [SOLVED]  
Hello,
I would like to know if it is possible and (if yes) how to build a gtkdialog script that shows several progress bars displayed inside a single window but running one after the other. When the first one has terminated to do its job, then the second one starts and so on...
Thank you!

Cordialement.
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akash_rawal


Joined: 25 Aug 2010
Posts: 215
Location: Pune, Maharashtra, India
PostPosted: Mon 30 Jul 2012, 14:29    Post_subject: Re: Multiple progress bars inside a single window script?  
This can be easily done using pipes. Example:

Code:

#!/bin/bash

function reader()
{
   #This will be used to read from pipes
   while true; do echo "`< $task_dir/$1`"; done
}
export -f reader

function task()
{
   #Sample task 1
   for i in `seq 20 20 100`; do
      echo "$i" > "$task_dir/pipe_1"
      echo "Doing task 1... ($i %)" > "$task_dir/pipe_1"
      sleep 0.3 #Delay just to simulate a task
   done
   echo "done" > "$task_dir/pipe_1"
   
   #Sample task 2
   for i in `seq 20 20 100`; do
      echo "$i" > "$task_dir/pipe_2"
      echo "Doing task 2... ($i %)" > "$task_dir/pipe_2"
      sleep 0.3 #Delay just to simulate a task
   done
   echo "done" > "$task_dir/pipe_2"
   
   #Sample task 3
   for i in `seq 20 20 100`; do
      echo "$i" > "$task_dir/pipe_3"
      echo "Doing task 3... ($i %)" > "$task_dir/pipe_3"
      sleep 0.3 #Delay just to simulate a task
   done
   echo "done" > "$task_dir/pipe_3"
   
   #After 2s close the window
   sleep 2
   echo "100"
}
export -f task

#Temporary directory
mkdir -p "/tmp/task"
export task_dir="`mktemp -d /tmp/task/XXXXXXXX`"
mkfifo "$task_dir/pipe_1"
mkfifo "$task_dir/pipe_2"
mkfifo "$task_dir/pipe_3"

export dialog="
<window>
   <vbox>
      <progressbar>
         <input>reader pipe_1</input>
      </progressbar>
      <progressbar>
         <input>reader pipe_2</input>
      </progressbar>
      <progressbar>
         <input>reader pipe_3</input>
      </progressbar>
      <progressbar height-request=\"1\">
         <input>task</input>
         <action>exit:OK</action>
      </progressbar>
   </vbox>
</window>
"

gtkdialog3 -p dialog

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Argolance


Joined: 06 Jan 2008
Posts: 1404
Location: PORT-BRILLET (Mayenne - France)
PostPosted: Tue 31 Jul 2012, 05:43    Post_subject:  
Hello akash_rawal,
Great: Exactly what I was looking for!
This should be a tip of the very useful Zigbert GtkDialog thread...

Thank you very much!

Cordialement.
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