How to convert ASCII character to CGKeyCode?

This is what I ended up using. Much cleaner. #include <CoreFoundation/CoreFoundation.h> #include <Carbon/Carbon.h> /* For kVK_ constants, and TIS functions. */ /* Returns string representation of key, if it is printable. * Ownership follows the Create Rule; that is, it is the caller’s * responsibility to release the returned object. */ CFStringRef createStringForKey(CGKeyCode keyCode) { … Read more

Get Character value from KeyCode in JavaScript… then trim

In my experience String.fromCharCode(e.keyCode) is unreliable. String.fromCharCode expects unicode charcodes as an argument; e.keyCode returns javascript keycodes. Javascript keycodes and unicode charcodes are not the same thing! In particular, the numberpad keys return a different keycode from the ordinary number keys (since they are different keys) while the same keycode is returned for both upper … Read more

How can I control the back button event in jQuery Mobile?

Recommended method pagecontainerbeforechange: https://jqmtricks.wordpress.com/2014/12/01/detect-back-navigation/ You need to listen to the navigation event and state.direction. $(window).on(“navigate”, function (event, data) { var direction = data.state.direction; if (direction == ‘back’) { // Do something } if (direction == ‘forward’) { // Do something else } }); jQuery Mobile API: Navigation event Demo

Where can I find a list of Mac virtual key codes?

Below is a list of the common key codes for quick reference, taken from Events.h. If you need to use these keycodes in an application, you should include the Carbon framework: Objective-C: #include <Carbon/Carbon.h> Swift: import Carbon.HIToolbox You can then use the kVK_ANSI_A constants directly. WARNING The key constants reference physical keys on the keyboard. … Read more

JavaScript KeyCode vs CharCode

The answers to all your questions can be found on the following page. …but in summary: The only event from which you can reliably obtain character information (as opposed to key code information) is the keypress event. In the keypress event, all browsers except IE <= 8 store the character code in the event’s which … Read more

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