TweetFollow Us on Twitter

Gestures
Volume Number:5
Issue Number:2
Column Tag:HyperChat™

Gestural Devices

By Fred Stauder, HyperChat Editor, Zurich, Switzerland

on HyperChat

Gestural Devices

This month I would like to talk about gestural control devices, what they are, and how to build them to give you more flexibility in HyperCard.

What is a gestural control device? The Oxford dictionary defines the word “gesture” as: “a move calculated to evoke a response from another or to convey intention”. In this case “another” is your Macintosh, and our intention is that we want HyperCard to do something for us. An example of a gesture used as a device is “AutoScriptEdit” which I first brought to you in the May issue and which later evolved into “AutoHyperEdit”. There I used a gesture moving past the top of a button while the mouse was still down. This gesture replaced menu selections and mouse clicks. Another good example is the Gestural Video Controller from Kristee Kreitman (December Issue MacTutor see fig 1.)of the Human Interface Group at Apple Computer. Her G Device (Gestural Device) inspired me to build one using the message box in HyperCard. Kristee’s video controller works by moving the cursor left and right you enter regions which give different responses to a video player, such as “step” and “scan”.

Figure 1.

I built my G Device for two reasons. The first, was that I could control a videodisc player from any stack easily, secondly I wanted to utilize the message box. The message box can be moved anywhere easily even out of the card window (this is very useful if you have a large screen), and if the user hits a command period to halt something, you don’t have anything remaining such as an extra field or button. I thought this type of controller would be great for slide presentations using HyperCard. I had seen some other types of navigational controllers that would change cursors etc, but they felt clumsy to me and didn’t provide enough feedback. I thought you could use the rect of the message box and use the right half of it to go to next card and the left half to go to previous card. This also didn’t give enough feedback, so after a some experimentation I came up with the Gestural Video Controller (fig 2.).

Figure 2.

For a prototype I used a controller for going back and forward in a stack rather than using a videodisc player. Since many of you don’t have a videodisc player I shall show you the “CardControl” script.

The Design Considerations

It had to be called from a Handler in the home stack so it could be used anywhere.

It had to not interfere with any card or stack it was in.

It had to have feedback.

I decided it had to be modal because it would be too much of a strain on the idle loop. It is invoked by typing in “CardControl” or it’s alias “CC” into the message box or by blind typing. This brings up the message box if it is not visible and changes the cursor to a cross (see fig 3.), and tells the user to click the mouse to exit. The controller then appears (figs 2,3) the command that is executing currently is highlited(fig 3.). Moving the cursor left and right changes the command selection, for ease of navigation in this case I chose not to make vertical movement important. If you look at listing 1. I get item 1 of rect of msg to determine it’s horizontal offset.

Next I have a main loop that contains sub loops which determine if the cursor is within the commands horizontal domain. I precalculated the horizontal offsets for each command. The loops are bulky, I tried different approaches but this way seemed to give the best all around results. When the cursor is within the horizontal domain of a command the command word or symbol is selected and a click is produced (this gives additional auditory feedback), then the command is invoked.

The enterKey handler is used to bring up the CardControl again simply by pressing enter if the msg has not been emptied.

Figure 3.

Listing 1.
-- Gestural CardControl Device 0.2b --
-- By Fred Stauder
-- ©1988 all rights reserved
-- Inspired By Kristee’s Gestural Controller
-- Turns Message Box into a gestural video controller
-- put it into your Home Stack Script so it is available in all Stacks

on enterkey --This lets you hit enter again after stopping to resume--
  if ¬
  “<<<<<<<<  ••-Rev-•• <<StepII  |||STOP|||  IIStep>> ••-Fwd-••  >>>>>>>>”¬
  is in msg then videocontrol
  else pass enterkey
end enterkey

on CC  --Alias--
  cardControl
end CC

on cardControl
  
  -- initialisation and let the user know whats going on --
  set cursor to 3
  put “                ••••• Hold Down Mouse Button to Exit •••••”
  wait 10
  select line 1 of msg
  wait 10
  select empty
  wait 10
  select line 1 of msg
  wait 10
  select empty
  wait 80
  put empty into msg
  wait 20
  
  put “<<<<<<<<  ••-Rev-•• <<StepII  |||STOP|||  IIStep>> ••-Fwd-••  
>>>>>>>>” into msg
  
  wait 10
  select line 1 of msg
  wait 10
  select empty
  wait 10
  select line 1 of msg
  wait 10
  select empty
  wait 40
  put item 1 of  rect of msg into left
  
  repeat forever -- Main Loop --
    
    repeat forever -- Loop 1 from left --
      if the mouse is down
      then
        hide msg
        exit cardControl
      end if
      if the mouseH > left + 60 then exit repeat
      else
        play harpsichord tempo 100 b#x7
        select word 1 of msg
        go to previous card
      end if
    end repeat
    
    repeat forever  -- Loop 2 from left --
      if the mouse is down
      then
        hide msg
        exit cardControl
      end if
      if the mouseH < left + 70 then exit repeat
      if the mouseH > left + 135 then exit repeat
      else
        play harpsichord tempo 100 b#x7
        select word 2 of msg
        wait 10
        go to previous card
      end if
    end repeat
    
    repeat forever  -- Loop 3 from left --
      if the mouse is down
      then
        hide msg
        exit cardControl
      end if
      if the mouseH < left + 140 then exit repeat
      if the mouseH > left + 190 then exit repeat
      else
        play harpsichord tempo 100 b#x7
        select word 3 of msg
        wait 30
        go to previous card
      end if
    end repeat
    
    repeat forever -- Loop 3 from left --
      if the mouse is down
      then
        hide msg
        exit cardControl
      end if
      if the mouseH < left + 200 then exit repeat
      if the mouseH > left + 250 then exit repeat
      else
        select word 4 of msg
      end if
    end repeat
    
    repeat forever -- Loop 4 from left --
      if the mouse is down
      then
        hide msg
        exit cardControl
      end if
      if the mouseH < left + 260 then exit repeat
      if the mouseH > left + 305 then exit repeat
      else
        play harpsichord tempo 100 b#x7
        select word 5 of msg
        wait 30
        go to next card
      end if
    end repeat
    
    repeat forever  -- Loop 5 from left --
      if the mouse is down
      then
        hide msg
        exit cardControl
      end if
      if the mouseH < left + 310  then exit repeat
      if the mouseH > left +380 then exit repeat
      else
        play harpsichord tempo 100 b#x7
        select word 6 of msg
        wait 10
        go to next card
      end if
    end repeat
    
    repeat forever  -- Loop 6 from left --
      if the mouse is down
      then
        hide msg
        exit cardControl
      end if
      if  the mouseH  < left + 390 then exit repeat
      else
        play harpsichord tempo 100 b#x7
        select word 7 of msg
        go to next card
      end if
    end repeat
  end repeat
  put cardControl into msg
end cardControl

This script can be modified and used for many purposes such as I have done with a videodisk contoller, or CD controller etc. Experiment with different types of G devices. Next month I will bring you an XCMD that automates creating such a G Device.

end HyperChat

 

Community Search:
MacTech Search:

Software Updates via MacUpdate

Adium 1.5.10.3 - Popular instant messagi...
Adium is a fast and free instant messaging client which supports AIM, ICQ, Jabber, MSN, Yahoo!, Google Talk, Yahoo! Japan, Bonjour, Gadu-Gadu, Novell Groupwise, SIP/SIMPLE (Text), and Lotus Sametime... Read more
CleanMyMac 3.8.1 - $39.95
CleanMyMac makes space for the things you love. Sporting a range of ingenious new features, CleanMyMac lets you safely and intelligently scan and clean your entire system, delete large, unused files... Read more
BusyCal 3.1.7 - Powerful calendar app wi...
BusyCal is an award-winning desktop calendar that combines personal productivity features for individuals with powerful calendar sharing capabilities for families and workgroups. Its unique features... Read more
Lyn 1.8.9 - Lightweight image browser an...
Lyn is a fast, lightweight image browser and viewer designed for photographers, graphic artists, and Web designers. Featuring an extremely versatile and aesthetically pleasing interface, it delivers... Read more
Tweetbot 2.5 - Popular Twitter client.
Tweetbot is a full-featured OS X Twitter client with a lot of personality. Whether it's the meticulously-crafted interface, sounds and animation, or features like multiple timelines and column views... Read more
Monolingual 1.7.8 - Remove unwanted OS X...
Monolingual is a program for removing unnecesary language resources from OS X, in order to reclaim several hundred megabytes of disk space. If you use your computer in only one (human) language, you... Read more
Dash 4.0.3 - Instant search and offline...
Dash is an API documentation browser and code snippet manager. Dash helps you store snippets of code, as well as instantly search and browse documentation for almost any API you might use (for a full... Read more
Posterino 3.3.6 - Create posters, collag...
Posterino offers enhanced customization and flexibility including a variety of new, stylish templates featuring grids of identical or odd-sized image boxes. You can customize the size and shape of... Read more
Apple Numbers 4.1.1 - Apple's sprea...
With Apple Numbers, sophisticated spreadsheets are just the start. The whole sheet is your canvas. Just add dramatic interactive charts, tables, and images that paint a revealing picture of your data... Read more
Apple Pages 6.1.1 - Apple's word pr...
Apple Pages is a powerful word processor that gives you everything you need to create documents that look beautiful. And read beautifully. It lets you work seamlessly between Mac and iOS devices, and... Read more

Latest Forum Discussions

See All

Die With Glory (Games)
Die With Glory 1.2.0 Device: iOS Universal Category: Games Price: $2.99, Version: 1.2.0 (iTunes) Description: Die with Glory is an epic adventure game where your goal is to die in glorious fashion. You must help Sigurd, a brave old... | Read more »
Get Ike in the new Fire Emblem: Heroes u...
One of the most popular Fire Emblem characters is finally available in a new update to Nintendo'sFire Emblem: Heroes. [Read more] | Read more »
Die With Glory in a new viking adventure...
If you're a fan of classic adventure games you'll do well to pick upDie With Glory, the gorgeous new title from Cloud Castle inc. Die With Glory updatesthe gameplay of the same kind of adventure classics such asMonkey Island for modern, mobile... | Read more »
Get up to speed with everything you need...
In case you haven’t heard, MU Origin just got a colossal new update with new all-server events, battle modes, and systems making their way to the land of MU. Here’s a handy guide to everything you need to know about the latest content. [Read... | Read more »
Minimalist puzzle game, Cuts, free on iO...
If you're looking for a gorgeous puzzle experience on iOS devices, developer Gamebra.in's aesthetically interesting puzzler, Cuts, is discounted to free on the iOS App Store right now. [Read more] | Read more »
Anime tactical RPG, War of Crown, comes...
If you're looking for another tactical RPG fix to go alongside your Fire Emblem Heroes campaigns check out Gamevil's newest, anime-inspired tactics RPG, War of Crown, which comes out tomorrow. [Read more] | Read more »
Fantasy MMORPG MU Origin adds new modes,...
MU Origin, Webzen’s highly popular fantasy MMORPG is getting ready to shake things up for the second time this year, as a new update makes its way to the Google Play and App Store from today. Introducing new systems, modes, and events, the land of... | Read more »
Blizzard is looking to hire a mobile dev...
A new thread on the popular video game rumor forum, NeoGAF, uncovered an interesting job listing over at Blizzard Entertainment. It appears the studio behindStarCraft, World of WarCraft, Hearthstone,andOverwatch is looking to bring on a new hire... | Read more »
Legend of Zelda meets Cooking Mama in ne...
Dungeon Chef is what happens when you mix the RPG elements (and style) of a Legend of Zelda game, with cooking elements. Although, now that The Legend of Zelda: Breath of the Wild also has cookingelements, so maybe the gameplay is not so novel.... | Read more »
ChordFlow (Music)
ChordFlow 1.0.0 Device: iOS Universal Category: Music Price: $6.99, Version: 1.0.0 (iTunes) Description: ChordFlow is a chord sequencer with a unique 4-track polyphonic arpeggiator, extensive chord library, MIDI out and Ableton Link... | Read more »

Price Scanner via MacPrices.net

Digital Paper Tablet Offers Distraction Free...
I typically spend 8-10 hours a day gazing at the screens in my laptops and iPad, as tools of my livelihood, I don’t as a rule use electronic devices for pleasure reading. I subscribe to a daily... Read more
“Today at Apple” Bringing New Educational Ses...
Apple has announced plans to launch dozens of new educational sessions next month in all 495 Apple Stores ranging in topics from photo and video to music, coding, art and design, and more. The hands-... Read more
Smart Finance Free Comprehensive Personal Fin...
Moscow-based indie developer, Alexander Survillo has announced the release and immediate availability of Smart Finance: Personal Finance, Budget & Money 1.1.4, an update to his comprehensive... Read more
12-inch 1.1GHz Retina MacBooks on sale for $1...
B&H has 12″ 1.1GHz Retina MacBooks on sale for $100 off MSRP. Shipping is free, and B&H charges NY & NJ sales tax only: - 12″ 1.1GHz Space Gray Retina MacBook: $1199.99 $100 off MSRP - 12... Read more
13-inch 2.7GHz Retina MacBook Pro on sale for...
B&H Photo has the 13″ 2.7GHz Retina MacBook Pro on sale for $130 off MSRP. Shipping is free, and B&H charges NY & NJ tax only: - 13″ 2.7GHz/128GB Retina MacBook Pro (MF839LL/A): $1169 $... Read more
15-inch 2.2GHz Retina MacBook Pros available...
B&H Photo has the 15″ 2.2GHz Retina MacBook Pro available for $200 off MSRP including free shipping plus NY & NJ sales tax only: - 15″ 2.2GHz Retina MacBook Pro (MJLQ2LL/A): $1799.99 $200 off... Read more
13-inch Touch Bar MacBook Pros on sale for up...
B&H Photo has the 2016 Apple 13″ Touch Bar MacBook Pros in stock today for up to $150 off MSRP. Shipping is free, and B&H charges NY & NJ sales tax only: - 13″ 2.9GHz/512GB Touch Bar... Read more
Apple refurbished Apple TVs available for up...
Apple has Certified Refurbished 32GB and 64GB Apple TVs available for up to $30 off the cost of new models. Apple’s standard one-year warranty is included with each model, and shipping is free: -... Read more
12-inch 1.2GHz Retina MacBooks on sale for up...
B&H has 12″ 1.2GHz Retina MacBooks on sale for up to $160 off MSRP. Shipping is free, and B&H charges NY sales tax only: - 12″ 1.2GHz Space Gray Retina MacBook: $1439.99 $160 off MSRP - 12″ 1... Read more
HyperX Ships Pulsefire FPS Gaming Mouse, Winn...
Your reporter is a longtime fan of gaming mice for general purpose coomnputing use, finding them typically superior in comfort and performance. HyperX, a division of Kingston Technology Company, Inc... Read more

Jobs Board

*Apple* Mac Computer Technician - GeekHampto...
…complex computer issues over the phone and in person? GeekHampton, Long Island's Apple Premium Service Provider, is looking for you! Come work with our crew Read more
Product Manager, *Apple* Platforms - Viacom...
…Product Manager to drive the execution of its iOS and AppleTV experiences. The Apple Platform Product Manager will be a leader in our Agile/Scrum environment and Read more
Geek Squad *Apple* Master Consultation Agen...
**500662BR** **Job Title:** Geek Squad Apple Master Consultation Agent **Location Number:** 000286-Canton-Store **Job Description:** **What does a Geek Squad Read more
*Apple* Mobile Master - Best Buy (United Sta...
**500710BR** **Job Title:** Apple Mobile Master **Location Number:** 000279-North Olmsted-Store **Job Description:** **What does a Best Buy Apple Mobile Master Read more
*Apple* Engineering Specialist - CSRA (Unite...
Apple Engineering Specialist All times are in Eastern Daylight Time Requisition ID Job Locations US DC Washington DC Posted Date Category Engineering Sciences Read more
All contents are Copyright 1984-2011 by Xplain Corporation. All rights reserved. Theme designed by Icreon.