keydown

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Reject "control" keys on keyDown event

What is the cleanest way in开发者_开发问答 JavaScript or jQuery to filter out control keys.By control keys, I mean any key that IS NOT A-Z, 0-9, or special characters (i.e. !, @, #, etc.).I simply wan[详细]

2023-04-13 06:16 分类：问答
Incrementing value (integer) in an input type field

I have input text and I want to increase the number that is inside using the key up or down. I have: <input type=\"text\" value=\"1\" name=\"qty\" />[详细]

2023-04-12 18:29 分类：问答
How to limit KeyDown actions frequency

i\'m developing my first game in silverlight. It\'s something like 2D labyrinth and user\'s moves on canvas are based on UserControl_KeyDown event. I dont have any gameloop yet. But now i\'m kinda stu[详细]

2023-04-11 06:07 分类：问答
Listen to multiple keydowns

I\'m trying to let a user move an element on the page using the arrow keys. So far, I have movement working for up/down/left/right, 开发者_开发技巧but not for diagonal (two arrow keys pressed simultan[详细]

2023-04-10 09:07 分类：问答
NSOpenGLView, NSWindow & NSResponder - makeFirstResponder not working

In the code below I am Initialising a NSViewController [a NSResponder], with a NSWindow, a NSOpenGLView, presenting the view and attempting to set the NSViewController as the windows first responder.[详细]

2023-04-05 18:22 分类：问答
Get Char from Key

I am coding a custom text editor, and I use KeyDown and KeyUp events. That events gets a KeyEventArgs from parameters where a \"Key\" instance is included.[详细]

2023-04-03 01:42 分类：问答
keydown event not fired while mouse dragging in Chrome

I noticed a strange behav开发者_如何学运维ior regarding keydown event in Chrome. I have this simple script (http://jsfiddle.net/xYDbt/1/):[详细]

2023-04-03 01:30 分类：问答
Handling KeyDown for Label and PictureBox

I\'m using PictureBox to place and relocate (move) some picture inside Main Dialog Form. I want to be able to remove the picture on Delete Key开发者_C百科 pressed.[详细]

2023-03-29 19:18 分类：问答
Silverlight Smooth KeyDown Event

This question is basically the same as Silverlight开发者_开发百科 keydown event for games but there was never really a clear answer.How can I get smooth keypresses for a game.[详细]

2023-03-27 18:36 分类：问答
SDL left control keydown event is fired when key is released

So I have the following code that listens for a keydown event and then exits as soon as it receives one:[详细]

2023-03-27 02:40 分类：问答