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 Forum index » Off-Topic Area » Programming
GtkDialog - tips
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recobayu


Joined: 15 Sep 2010
Posts: 293
Location: indonesia
PostPosted: Fri 30 Aug 2013, 22:06    Post subject: notebook trick  
I learn something very usefull with notebook from here:
/usr/share/doc/gtkdialog/examples/notebook/notebook_advanced
I uncomment the dump line and I know some trick, there is in the inputfile:
0 --> tab0
1 --> tab1
...
here is my code:
Code:
#!/bin/bash
cek(){
   if [[ $E = "" ]]; then
      #echo kosong
      echo 0 > inputfile
   else
      #echo ada
      echo 1 > inputfile
   fi
}
export -f cek
Width=`xwininfo -root | grep Width | awk '{ print $2 }'`
Height=`xwininfo -root | grep Height | awk '{ print $2 }'`
export aku='
<window title="nbkNotebook" width-request="'$Width'" height-request="'$Height'">
  <vbox>
      <entry>
         <variable>E</variable>
         <action>cek</action>
         <action>refresh:nbk0</action>
      </entry>
      <notebook show-tabs="false" show-border="false">
         <vbox border-width="20">
            <text label="this is the main start metro"></text>
         </vbox>
         <vbox border-width="20">
            <text label="and this is the search window"></text>
         </vbox>
         <variable>nbk0</variable>
         <input file>inputfile</input>
      </notebook>
  </vbox>
</window>'
gtkdialog --program=aku

if we type in the entry box, we can see the window get different face, and when we clear the entrybox, the window back to the our first face.
Nice gtkdialog Very Happy
I Like it
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don570


Joined: 10 Mar 2010
Posts: 4985
Location: Ontario
PostPosted: Sat 31 Aug 2013, 13:47    Post subject:  
Here's a simple example to show how the refresh button works.

Just enter text in Entry box and click 'REFRESH'.

The entry goes to the
head of a text file that in displayed in comboboxtext widget

The refresh button code looks like this. Add another action tag line and
the refresh button could do some useful function.

Code:
    <button>
               <label>refresh</label>
               <action>list_refresh</action>
               <action>refresh:LIST_ENTRY</action>
          </button>



Script-refresh.gz
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Filename  Script-refresh.gz 
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don570


Joined: 10 Mar 2010
Posts: 4985
Location: Ontario
PostPosted: Tue 03 Sep 2013, 20:07    Post subject: example of refreshing  
More examples of practical refreshing...

This example(suggested by Nathan F) shows the contents of a dot file in /root.
The user then selects a file on the list and then
a function can be run by clicking button.

To make the comboboxtext items a command was used

Code:
find $HOME -maxdepth 1 -mindepth 1 -type d -name ".*"


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don570


Joined: 10 Mar 2010
Posts: 4985
Location: Ontario
PostPosted: Tue 03 Sep 2013, 20:14    Post subject:  
Here is another refresh example using comboboxtext.
The letters of alphabet are the items. Choosing a letter will
refresh the righthand side list of applications found installed.
Note the first letter of application.

Then a selection of the list can be further used by a function.
(Click on button 'refresh' to see what is possible with selection)



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Last edited by don570 on Tue 03 Sep 2013, 20:25; edited 1 time in total
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don570


Joined: 10 Mar 2010
Posts: 4985
Location: Ontario
PostPosted: Tue 03 Sep 2013, 20:20    Post subject:  
Here is the same example as before but instead of a comboboxtext widget
a list widget is used. It then refreshes a tree .
A selection of the tree can then be further processed by
clicking on the button.



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recobayu


Joined: 15 Sep 2010
Posts: 293
Location: indonesia
PostPosted: Sat 07 Sep 2013, 11:50    Post subject:  
Hi don570, I am very interested about refresh. How to refresh the label of button? Until this time, i use input file, and then i make an svg file to change the button's label. something like this:
Code:
#!/bin/sh

changei(){
   if [ -f /tmp/i ];then
      i=`cat /tmp/i`
   else
      i=1
   fi
   i=$(($i+1))
   echo $i >/tmp/i
   echo '<svg><text x="0" y="9"><tspan>'$i'</tspan></text></svg>'>/tmp/angkaku.svg
}
export -f changei
j=0  #i add this value. but still same, the label doesn't want to walk
ln -sf /root/puppy-reference/midi-icons/edit48.png /tmp/gbku.png
echo '<svg><text x="0" y="9"><tspan>1</tspan></text></svg>'>/tmp/angkaku.svg
export gantiBil='
<window>
   <hbox>
         <button width-request="48" height-request="48">
            <variable>a</variable>
            <label>"'$j'"</label>
            <action>j=$(($j+1))</action>
            <action>refresh:a</action>
         </button>
         <entry visible="false">
            <variable>E</variable>
         </entry>
         <button>
            <variable>b</variable>
            <width>48</width>
            <height>48</height>
            <input file>/tmp/gbku.png</input>
            <action>fileselect:E</action>
            <action>ln -sf $E /tmp/gbku.png</action>
            <action>refresh:b</action>
         </button>
         <button width-request="48" height-request="48">
            <variable>c</variable>
            <input file>/tmp/angkaku.svg</input>
            <action>changei</action>
            <action>refresh:c</action>
         </button>
   </hbox>
</window>'
gtkdialog --program=gantiBil

rm /tmp/gbku.png
rm /tmp/angkaku.svg
rm /tmp/i
exit


Edit:
I have 3 buttons. I think this is better than toggle button, because toggle button just have two condition (yes or no), and I think the button is more flexible.
The first, I want to change the label, but not work.
The second, we can change the picture by clicking that button, and select picture file (.jpg, .png, or .svg).
The third, this is my tricky method. I use svg, that can seen as label.
Is possible to change the label button? (in my example, the first button).
Thank You.

Now, I know that gtkdialog still can't refresh button.
I hope in the future, gtkdialog can refresh button, or maybe the vbox and hbox. So we can change everything inside the vbox or hbox without close the gtkdialog. I very like this gtkdialog and I start to enjoy this programming language.
Very Happy
Last edited by recobayu on Tue 10 Sep 2013, 07:53; edited 1 time in total
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Nathan F


Joined: 08 Jun 2005
Posts: 1760
Location: Wadsworth, OH (occasionally home)
PostPosted: Sat 07 Sep 2013, 14:57    Post subject:  
A simple method would be to make two buttons and use show/hide actions to hide the first and show the second, or vice versa. I've used it on a few other widgets and it works pretty flawlessly.

The only drawback comes in with large groups of widgets, where there will be a speed and startup penalty due to the sheer size of it all. Not a problem for just one or two widgets.
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don570


Joined: 10 Mar 2010
Posts: 4985
Location: Ontario
PostPosted: Mon 09 Sep 2013, 14:30    Post subject: toggle button example  
to recobayu : You should have given j an initial value so that
something would have shown in that button... but
apparently gtkdialog has no method to change a script variable
used by a widget Crying or Very sad

___________________________________________________

I looked at Thunor's examples and I spotted a toggle button example.

One button sends a signal to another button to show and hide.

I have simplified the code as much as possible. Look at the
code to see if it is useful. Togglebutton official page

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Last edited by don570 on Mon 09 Sep 2013, 16:13; edited 2 times in total
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don570


Joined: 10 Mar 2010
Posts: 4985
Location: Ontario
PostPosted: Mon 09 Sep 2013, 14:39    Post subject: odd number toggle  
I thought up this wacky example by combining a Toggle button with
a svg image and another button that is refreshed.

By clicking on the right hand icon the number on the left hand button
increases by two. This means that only an odd number will show.





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don570


Joined: 10 Mar 2010
Posts: 4985
Location: Ontario
PostPosted: Wed 11 Sep 2013, 20:15    Post subject:  
This example restricts the size of buttons so the text appears
normal sized.


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recobayu


Joined: 15 Sep 2010
Posts: 293
Location: indonesia
PostPosted: Wed 11 Sep 2013, 23:00    Post subject:  
To appear the text in normal size, we can use group in svg. this is my example Very Happy
Code:
#!/bin/sh
echo '<svg><g><rect style="fill-opacity:0" width="1" height="10"/><text x="0" y="9">0</text></g></svg>'>/tmp/angkaku.svg
changei(){
   if [ -f /tmp/i ];then
      i=`cat /tmp/i`
   else
      i=0
   fi
   i=$(($i+1))
   echo $i >/tmp/i
   echo '<svg><g><rect style="fill-opacity:0" width="1" height="10"/><text x="0" y="9">'$i'</text></g></svg>'>/tmp/angkaku.svg
}
export -f changei

export gantiBil='
<window>
   <hbox>
      <button>
         <variable>c</variable>
         <width>110</width>
         <input file>/tmp/angkaku.svg</input>
         <action>changei</action>
         <action>refresh:c</action>
      </button>
   </hbox>
</window>'
gtkdialog --program=gantiBil -c --space-expand=true --space-fill=true

rm /tmp/angkaku.svg
rm /tmp/i
exit
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sunburnt


Joined: 08 Jun 2005
Posts: 5087
Location: Arizona, U.S.A.
PostPosted: Tue 01 Oct 2013, 01:08    Post subject:  
Hi guys; So much info. and no way to access it all.!

I`m writing a GtkDialog script for the first time in a very long while.
I don`t like it much, but it does work with all of the Puppy variations.

# I can`t remember how to get a button to close the dialog with an: <action>
EXIT doesn`t seem to work, nether does most examples I have.
Code:
#!/bin/sh
BTNs=$(echo "$PKGs" |while read PKG
do
   echo "
     <button>
      <label>$PKG</label>
      <action>$PKG</action>
      <action>EXIT</action>
     </button>"
done)

export MENU_DLG='
<window title=" Libs.">
 <vbox>
  <text>
    <label>Select a Package.</label>
  </text>
'$BTNs'
  <hbox>
   <button ok></button>
   <button cancel></button>
  </hbox>
 </vbox>
</window>
'
gtkdialog --program=MENU_DLG

### Many thanks!
.
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SFR


Joined: 26 Oct 2011
Posts: 1655
PostPosted: Tue 01 Oct 2013, 07:15    Post subject:  
To close the dialog right after pressing a button, right?
Code:
<action>$PKG &</action>
<action>EXIT:exit</action>

exit is kind of return code, so might be anything really...

Greetings!
_________________
[O]bdurate [R]ules [D]estroy [E]nthusiastic [R]ebels => [C]reative [H]umans [A]lways [O]pen [S]ource
Omnia mea mecum porto.
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sunburnt


Joined: 08 Jun 2005
Posts: 5087
Location: Arizona, U.S.A.
PostPosted: Tue 01 Oct 2013, 18:25    Post subject:  
And Greetings to you SFR; I thank you kindly for your help.
I now recall this bit of GtkDialog code thanks to you. I have the menu gui working great.

The menu will be usable for downloading binary or source packages and setting them up.
Last edited by sunburnt on Fri 04 Oct 2013, 04:17; edited 1 time in total
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don570


Joined: 10 Mar 2010
Posts: 4985
Location: Ontario
PostPosted: Thu 03 Oct 2013, 19:11    Post subject:  
I have a page devoted to the exit variable in the
Gtkdialog Tutorial Manual

http://murga-linux.com/puppy/viewtopic.php?t=89045

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