Difference between revisions of "Orca/C2/Desktop-Navigation/English"

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|-
 
|-
−
|| Welcome to the tutorial on '''Display'''  
+
||'''Display'''  
 
|| Welcome to the tutorial on '''Desktop navigation with Orca'''  
 
|| Welcome to the tutorial on '''Desktop navigation with Orca'''  
  
Line 17: Line 17:
  
 
|-
 
|-
−
|| Show Slide
+
|| '''Show Slide'''
 
'''System Requirements'''
 
'''System Requirements'''
 
||  
 
||  
−
To record this tutorial, I am using:
+
To record this tutorial, I am using:  
 
'''Orca''' screen reader on '''Ubuntu 12.04'''  Operating System.  
 
'''Orca''' screen reader on '''Ubuntu 12.04'''  Operating System.  
  
Line 26: Line 26:
 
|| What is '''Orca'''?
 
|| What is '''Orca'''?
 
|| Let us begin with an introduction.  
 
|| Let us begin with an introduction.  
−
*'''Orca''' is a powerful state-of-the-art
+
*'''Orca''' is a powerful state-of-the-art tool
 
*It is Free and Open Source screen reader for the '''GNU/Linux''' based desktop.  
 
*It is Free and Open Source screen reader for the '''GNU/Linux''' based desktop.  
−
*Thus all personal and professional computing is possible for a blind person.
+
*All personal and professional computing is possible for a blind person using Orca.
 
*A blind person can thus work without sighted assistance.
 
*A blind person can thus work without sighted assistance.
  
Line 44: Line 44:
 
*Enter the password  
 
*Enter the password  
 
*Press '''ctrl + s'''  to have '''Orca'''  started.
 
*Press '''ctrl + s'''  to have '''Orca'''  started.
−
*Now, every time you boot your machine '''Orca'''  will come up talking.   
+
*Note, every time you boot your machine, '''Orca'''  will come up talking.   
  
 
|-
 
|-
 
|| '''Unity'''  in '''Ubuntu'''  with '''Orca'''  
 
|| '''Unity'''  in '''Ubuntu'''  with '''Orca'''  
−
|| '''Ubuntu''' offers 2 varieties of desktops in '''12.04''' like '''Unity 2D''' and '''Unity 3D'''.  
+
|| '''Ubuntu''' offers 2 varieties of desktops in '''12.04''' like '''Ubuntu 2D''' and '''Ubuntu 3D'''.  
−
* For best accessibility, you will choose '''Unity 2D'''.
+
* For best accessibility, you will choose '''Ubuntu 2D'''.
  
 
|-
 
|-
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* You just heard '''Orca''' announcing that you are on the '''Ubuntu 2D''' option.
 
* You just heard '''Orca''' announcing that you are on the '''Ubuntu 2D''' option.
 
* Press '''enter''' to select it  
 
* Press '''enter''' to select it  
 +
 +
|-
 +
|| Logging in
 +
||
 +
*Come back again to your password prompt.
 +
*Now enter the password for your user name.
 +
 +
|-
 +
|| Starting '''Orca'''  after Desktop load
 +
||
 +
* Wait till the desktop loads and all icons appear properly 
 +
*Note that '''Orca''' spoke at the login prompt.
 +
*But again you have to select '''Orca''' for login-time selected desktop
 +
 +
|-
 +
||
 +
||
 +
* Let's activate the '''run''' dialog by pressing '''alt + f2''' and then typing '''Orca'''.
 +
* As you will hear '''Orca''' has started.
 +
* '''Orca''' is now ready to provide audio assistance for all our activities.
 +
 +
|-
 +
|| Concept of '''Launcher pane'''
 +
||
 +
* Let's take a real world situation.
 +
* Generally when you work in an office, you have a few things ready on the desk.
 +
 +
|-
 +
||
 +
||
 +
'''Launcher pane''' is the section of the desktop
 +
* That hosts your most frequently needed applications for quick access.
 +
* Which you can customize as well.
 +
 +
|-
 +
|| Using '''Launcher pane'''
 +
||
 +
* For accessing '''Launcher pane''' on the desktop,press the '''alt + f1''' key combination.
 +
* As you can hear '''Orca''' said that we are in the '''Launcher pane'''.
 +
 +
|-
 +
|| Navigating '''Launcher pane'''
 +
* '''Home''' Folder
 +
||
 +
Let's use the down arrow to navigate the items one by one.
 +
* Press the down arrow once.
 +
* You will hear '''Orca''' telling us that you are on the '''Home''' folder.
 +
 +
|-
 +
||
 +
||
 +
* '''Home''' is the section of your storage disk where all your data is stored.
 +
* This includes your '''Documents, Music, Videos''' etc.
 +
 +
|-
 +
|| Navigating '''Launcher pane'''
 +
* '''Documents'''
 +
||
 +
*Press the right arrow once.
 +
* As you can hear, '''Orca''' tells us that you are on the '''Documents''' icon.
 +
 +
|-
 +
|| Navigating '''Launcher pane'''
 +
* '''Downloads'''
 +
||
 +
* Press the down arrow again.
 +
* Now you are on the '''Downloads''' icon.
 +
 +
|-
 +
|| Navigating '''Launcher pane'''
 +
* '''Music'''
 +
||
 +
Pressing down arrow again takes us to the icon for the '''Music''' folder.
 +
 +
|-
 +
|| Navigating '''Launcher pane'''
 +
* '''Firefox'''
 +
||
 +
* Well, let's move back to our main '''Launcher''' section by pressing the left arrow.
 +
* Now press the down arrow again.
 +
* We are now focused on the '''Firefox''' web browser.
 +
 +
|-
 +
||
 +
||
 +
* Both in the case of '''Home''' folder and '''Firefox, Orca''' also said not running.
 +
* It means the item we have currently focused on is not active.
 +
 +
|-
 +
|| Navigating '''Launcher pane'''
 +
* '''Libre office'''
 +
||
 +
* Press the down arrow once for moving to  '''Libre office''' writer icon.
 +
* Press the down arrow again.
 +
* You now hear '''Orca''' telling us that the cursor is on '''Libre office calc'''.
 +
* '''Libre office''' writer is the word processor that comes with '''Ubuntu''' by default.
 +
* Similarly '''Calc''' is the default spreadsheet application.
 +
 +
 +
|-
 +
|| Other Applications in '''Launcher pane'''
 +
||
 +
* You can navigate the entire '''Launcher pane''' by using the down arrow. 
 +
You could hear names such as       
 +
* '''Libre office Impress''',
 +
* '''Ubuntu software center''', 
 +
* '''Ubuntu1'''
 +
* '''System settings'''.
 +
 +
|-
 +
||
 +
||
 +
'''Impress''' is the default software for presentations.
 +
 +
.
 +
 +
|-
 +
||
 +
||
 +
* '''Ubuntu software center''' provides you facility to download, install, update and upgrade applications.
 +
* These applications which might have not come with '''Ubuntu''' by default. 
 +
 +
|-
 +
||
 +
||
 +
* '''Ubuntu1''' is the free cloud service
 +
* It provides 5 gb of online storage space which can sync with your '''Home''' folder.
 +
 +
|-
 +
||
 +
||
 +
* '''System settings''' is just what you expect it to do.
 +
* It manages system configuration.
 +
* Referred to as the '''Control Panel''' in other free and proprietary '''OS'''.
 +
 +
|-
 +
||
 +
||
 +
* Finally we found 2 other options namely the '''Workspace''' and '''Trash'''.
 +
* '''Workspace''' is the icon which helps you to run more than 1 desktop instance at a time.
 +
* It is an advanced feature and will be covered in some later tutorial.
 +
 +
|-
 +
||
 +
||
 +
* '''Trash''' is the place where you can find all the deleted files and folders.
 +
* You can restore them too.
 +
* These are the set of default applications.
 +
* '''Ubuntu''' developers place them on the '''Launcher pane''' by default.
 +
 +
|-
 +
|| Position based shortcuts for the applications.
 +
||
 +
* Now let's move in the reverse direction
 +
* Use the up arrow and come back at the '''Home''' folder icon.
 +
* Press enter to open your '''Home''' folder.
 +
 +
|-
 +
||
 +
||
 +
Use the right arrow to locate folders such as
 +
* '''Desktop'''
 +
* '''Documents'''
 +
* '''Downloads'''
 +
etc, one at a time.
 +
*To achieve this press the right arrow once for locating every folder.
 +
 +
|-
 +
|| Opening more than one instance of an application
 +
||
 +
* Now if you press '''alt + f1''' and down arrow, '''Orca''' will respond differently.
 +
* As you heard, now '''Orca''' announces '''Home''' folder  and says one window is open
 +
* Press '''escape''' to close the '''Launcher'''
 +
* Return to '''Home''' folder. Interesting right?
 +
 +
|-
 +
|| Position based shortcuts for the applications.
 +
||
 +
You can use the dynamic shortcut keys assigned by the desktop also.
 +
 +
 +
|-
 +
|| Shortcut to '''Home'''
 +
||
 +
* First close the '''Home''' folder you just opened.
 +
* We will open it again, this time using the shortcut key.
 +
* To close the '''Home''' folder press the '''alt+ f4''' key combination.
 +
* Do you remember on which position was the '''Home''' folder icon in the '''Launcher pane'''?
 +
 +
|-
 +
||Where is '''Home''' in '''Launcher pane'''?
 +
||
 +
* Well you can confirm it yourself by opening the '''Launcher pane'''.
 +
* Press '''alt + f1''' as you have been doing.
 +
* Press down arrow once.
 +
* You can observe that '''Home''' is the first item here.
 +
 +
|-
 +
|| How to open '''Home''' with shortcut?
 +
||
 +
* '''Ubuntu''' desktop uses super key also called as the '''Windows''' key
 +
* It uses the number corresponding to the position of the item as its shortcut.
 +
* This means that the shortcut for '''Home''' folder must be '''Windows key + 1'''.
 +
 +
 +
|-
 +
||
 +
||
 +
* Firstly, let's close the opened '''Launcher pane''' by pressing '''escape''' key.
 +
* Now let's hold down the '''Windows key and press 1''' with it.
 +
* Indeed you can hear '''Orca''' telling us that the '''Home''' folder has opened.
 +
* Meaning the shortcut key we guessed was correct!
 +
 +
|-
 +
|| For other application
 +
||
 +
* See every application's position in the '''Launcher pane'''
 +
* Then use that number with the '''Windows''' key.
 +
* Now press '''alt+f4''' to close the '''Home''' folder.
 +
 +
|-
 +
|| Show Slide
 +
Summary
 +
||
 +
So in this tutorial we have seen
 +
* Basic overview of the 2d desktop on '''Ubuntu GNU/Linux''' operating system,
 +
* '''Orca''' functioning, using and customizing the '''Launcher pane'''.
 +
* We can have '''Orca''' in the '''Launcher pane''' also than typing through '''run''' dialog.
 +
 +
|-
 +
||
 +
||
 +
* Watch the video available at:  http://spoken-tutorial.org/What_is_a_Spoken_Tutorial
 +
* It summarizes the Spoken Tutorial project
 +
* If you do not have good bandwidth, you can download and watch it
 +
 +
|-
 +
|| Spoken Tutorial Workshops
 +
||
 +
The Spoken Tutorial Project Team
 +
* Conducts workshops using spoken tutorials
 +
* Gives certificates to those who pass an online test
 +
* For more details, please write to contact@spoken-tutorial.org
 +
 +
|-
 +
|| Show Acknowledgement Slide
 +
Acknowledgement
 +
||
 +
* Spoken Tutorial Project is a part of the Talk to a Teacher  project
 +
* It is supported by the National Mission on Education through  ICT, MHRD, Government of India
 +
* More information on this Mission is available at:  http://spoken-tutorial.org\NMEICT-Intro
 +
 +
|-
 +
|| Thanks for joining
 +
||
 +
* That’s it for this tutorial.
 +
* Thank you for watching.
 +
 +
 +
 +
 +
  
 
|}
 
|}

Latest revision as of 16:19, 8 March 2013

Visual cue Narration
Display Welcome to the tutorial on Desktop navigation with Orca
Show Slide

Learning Objectives

In this tutorial we will learn :

  • What is Orca screen reader?
  • Unity interface used on the Ubuntu distro of GNU/Linux
  • Desktop navigation using Orca
Show Slide

System Requirements

To record this tutorial, I am using: Orca screen reader on Ubuntu 12.04 Operating System.

What is Orca? Let us begin with an introduction.
  • Orca is a powerful state-of-the-art tool
  • It is Free and Open Source screen reader for the GNU/Linux based desktop.
  • All personal and professional computing is possible for a blind person using Orca.
  • A blind person can thus work without sighted assistance.


Starting Orca
  • When you start Ubuntu for the first time, you will have to activate Orca.
  • Machine will boot.
  • A drum roll sound indicates that you are on the login prompt
  • Enter the password
  • Press ctrl + s to have Orca started.
  • Note, every time you boot your machine, Orca will come up talking.
Unity in Ubuntu with Orca Ubuntu offers 2 varieties of desktops in 12.04 like Ubuntu 2D and Ubuntu 3D.
  • For best accessibility, you will choose Ubuntu 2D.
Selecting desired Unity
  • For this, press shift + tab.
  • That is, hold down the shift key and press the tab key once
  • You will hear Orca announcing that you are on the Sessions options button.
  • Press enter to activate the same.
  • Now, press the same shift + tab key combination again.
  • You just heard Orca announcing that you are on the Ubuntu 2D option.
  • Press enter to select it
Logging in
  • Come back again to your password prompt.
  • Now enter the password for your user name.
Starting Orca after Desktop load
  • Wait till the desktop loads and all icons appear properly
  • Note that Orca spoke at the login prompt.
  • But again you have to select Orca for login-time selected desktop
  • Let's activate the run dialog by pressing alt + f2 and then typing Orca.
  • As you will hear Orca has started.
  • Orca is now ready to provide audio assistance for all our activities.
Concept of Launcher pane
  • Let's take a real world situation.
  • Generally when you work in an office, you have a few things ready on the desk.

Launcher pane is the section of the desktop

  • That hosts your most frequently needed applications for quick access.
  • Which you can customize as well.
Using Launcher pane
  • For accessing Launcher pane on the desktop,press the alt + f1 key combination.
  • As you can hear Orca said that we are in the Launcher pane.
Navigating Launcher pane
  • Home Folder

Let's use the down arrow to navigate the items one by one.

  • Press the down arrow once.
  • You will hear Orca telling us that you are on the Home folder.
  • Home is the section of your storage disk where all your data is stored.
  • This includes your Documents, Music, Videos etc.
Navigating Launcher pane
  • Documents
  • Press the right arrow once.
  • As you can hear, Orca tells us that you are on the Documents icon.
Navigating Launcher pane
  • Downloads
  • Press the down arrow again.
  • Now you are on the Downloads icon.
Navigating Launcher pane
  • Music

Pressing down arrow again takes us to the icon for the Music folder.

Navigating Launcher pane
  • Firefox
  • Well, let's move back to our main Launcher section by pressing the left arrow.
  • Now press the down arrow again.
  • We are now focused on the Firefox web browser.
  • Both in the case of Home folder and Firefox, Orca also said not running.
  • It means the item we have currently focused on is not active.
Navigating Launcher pane
  • Libre office
  • Press the down arrow once for moving to Libre office writer icon.
  • Press the down arrow again.
  • You now hear Orca telling us that the cursor is on Libre office calc.
  • Libre office writer is the word processor that comes with Ubuntu by default.
  • Similarly Calc is the default spreadsheet application.


Other Applications in Launcher pane
  • You can navigate the entire Launcher pane by using the down arrow.

You could hear names such as

  • Libre office Impress,
  • Ubuntu software center,
  • Ubuntu1
  • System settings.

Impress is the default software for presentations.

.

  • Ubuntu software center provides you facility to download, install, update and upgrade applications.
  • These applications which might have not come with Ubuntu by default.
  • Ubuntu1 is the free cloud service
  • It provides 5 gb of online storage space which can sync with your Home folder.
  • System settings is just what you expect it to do.
  • It manages system configuration.
  • Referred to as the Control Panel in other free and proprietary OS.
  • Finally we found 2 other options namely the Workspace and Trash.
  • Workspace is the icon which helps you to run more than 1 desktop instance at a time.
  • It is an advanced feature and will be covered in some later tutorial.
  • Trash is the place where you can find all the deleted files and folders.
  • You can restore them too.
  • These are the set of default applications.
  • Ubuntu developers place them on the Launcher pane by default.
Position based shortcuts for the applications.
  • Now let's move in the reverse direction
  • Use the up arrow and come back at the Home folder icon.
  • Press enter to open your Home folder.

Use the right arrow to locate folders such as

  • Desktop
  • Documents
  • Downloads

etc, one at a time.

  • To achieve this press the right arrow once for locating every folder.
Opening more than one instance of an application
  • Now if you press alt + f1 and down arrow, Orca will respond differently.
  • As you heard, now Orca announces Home folder and says one window is open
  • Press escape to close the Launcher
  • Return to Home folder. Interesting right?
Position based shortcuts for the applications.

You can use the dynamic shortcut keys assigned by the desktop also.


Shortcut to Home
  • First close the Home folder you just opened.
  • We will open it again, this time using the shortcut key.
  • To close the Home folder press the alt+ f4 key combination.
  • Do you remember on which position was the Home folder icon in the Launcher pane?
Where is Home in Launcher pane?
  • Well you can confirm it yourself by opening the Launcher pane.
  • Press alt + f1 as you have been doing.
  • Press down arrow once.
  • You can observe that Home is the first item here.
How to open Home with shortcut?
  • Ubuntu desktop uses super key also called as the Windows key
  • It uses the number corresponding to the position of the item as its shortcut.
  • This means that the shortcut for Home folder must be Windows key + 1.


  • Firstly, let's close the opened Launcher pane by pressing escape key.
  • Now let's hold down the Windows key and press 1 with it.
  • Indeed you can hear Orca telling us that the Home folder has opened.
  • Meaning the shortcut key we guessed was correct!
For other application
  • See every application's position in the Launcher pane
  • Then use that number with the Windows key.
  • Now press alt+f4 to close the Home folder.
Show Slide

Summary

So in this tutorial we have seen

  • Basic overview of the 2d desktop on Ubuntu GNU/Linux operating system,
  • Orca functioning, using and customizing the Launcher pane.
  • We can have Orca in the Launcher pane also than typing through run dialog.
Spoken Tutorial Workshops

The Spoken Tutorial Project Team

  • Conducts workshops using spoken tutorials
  • Gives certificates to those who pass an online test
  • For more details, please write to contact@spoken-tutorial.org
Show Acknowledgement Slide

Acknowledgement

  • Spoken Tutorial Project is a part of the Talk to a Teacher project
  • It is supported by the National Mission on Education through ICT, MHRD, Government of India
  • More information on this Mission is available at: http://spoken-tutorial.org\NMEICT-Intro
Thanks for joining
  • That’s it for this tutorial.
  • Thank you for watching.




Contributors and Content Editors

Trupti

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