what uppercase character in keyboard

QT keyboard events are part of the QT event System, so all rules in the event system are valid for keystroke events. The following concerns are part of the key-specific section:FocusA qwidget that has focus can accept keyboard events. The window

To use a keyboard shortcut or a key combination, you can press the modifier keys and the character key at the same time. For example, pressing the Command key at the same time (labeled Keys) and the "C" key will copy any currently selected content

A successful application system is always inseparable from the input of the keyboard. In other words, the application software needs to interact with the user through tools such as keyboards. Although this is a basic work, it contains a lot of

Hard keyboard ing for Android-character ing keycharactermap Basic preparation knowledge: Http://source.android.com/porting/keymaps_keyboard_input.html Http://blog.csdn.net/skdev/archive/2010/03/08/5355542.aspx keyboard ing process, has been very

I. Composition of the keyboard The keyboard is usually composed of a function key area, a primary keyboard area, an edit key area, a secondary key area, and a status indicator. Function key area/status LED/main keyboard

About the Unicode character set(2011-10-20 20:54:03) The initial Unicode encoding is a fixed-length, 16-bit, or 22-byte representation of a character, which can represent a total of 65,536 characters. Obviously, it is not enough to represent all the

When using JavaScript For Web keyboard event listening and capturing, it mainly uses onkeypress, onkeydown, and onkeyup events. Three thingsThe execution sequence is as follows: onkeydown-> onkeypress-> Onkeyup. Generally, three keyboard events can

1, the continuous percussion two times the space bar to end a sentence This technique is actually for English input, when you finish a sentence, the continuous tapping two times the space bar can automatically add a period at the end of the

  First, let's describe our problem: when we enter a letter in a dialog box with a soft keyboard, then we want to switch the input method (for example, switching to the input number ), we will find that the letter we entered is missing. When we

How to realize the movement of small ballsOr go first a small ball bar, has done many times, we began to think, if the user presses a key on the keyboard, then son AH the whole computer system, who first know this thing? This everyone can guess the