CONSOLEINPUT: Difference between revisions
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* Must be called before reading any of the other mouse functions and before reading [[_CINP]]. | * Must be called before reading any of the other mouse functions and before reading [[_CINP]]. | ||
* To clear all previous input data, read [[_CONSOLEINPUT]] in a loop until it returns 0. | * To clear all previous input data, read [[_CONSOLEINPUT]] in a loop until it returns 0. | ||
* '''[[ | * '''[[Keywords currently not supported by QB64#Keywords not supported in Linux or macOS versions|Keyword not supported in Linux or macOS versions]]''' | ||
{{PageExamples}} | {{PageExamples}} | ||
''Example 1:'' Reading individual key strokes from a console window (Windows). | ''Example 1:'' Reading individual key strokes from a console window (Windows). | ||
{{CodeStart}} | {{CodeStart}} | ||
{{Cl|$CONSOLE}}:ONLY | {{Cl|$CONSOLE}}:ONLY | ||
{{Cl|_DEST}} {{Cl|_CONSOLE}}: {{Cl|_SOURCE}} {{Cl|_CONSOLE}} | {{Cl|_DEST}} {{Cl|_CONSOLE}}: {{Cl|_SOURCE}} {{Cl|_CONSOLE}} | ||
Revision as of 01:18, 23 January 2023
The _CONSOLEINPUT function is used to monitor any new mouse or keyboard input coming from a $CONSOLE window. It must be called in order for _CINP to return valid values. Windows-only.
Syntax
- infoExists%% = _CONSOLEINPUT
Description
- Returns 1 if new keyboard information is available, 2 if mouse information is available, otherwise it returns 0.
- Must be called before reading any of the other mouse functions and before reading _CINP.
- To clear all previous input data, read _CONSOLEINPUT in a loop until it returns 0.
- Keyword not supported in Linux or macOS versions
Examples
Example 1: Reading individual key strokes from a console window (Windows).
$CONSOLE:ONLY _DEST _CONSOLE: _SOURCE _CONSOLE PRINT "Press any key, and I'll give you the scan code for it. <ESC> quits the demo." PRINT PRINT DO x = _CONSOLEINPUT IF x = 1 THEN 'read only keyboard input ( = 1) c = _CINP PRINT c; END IF LOOP UNTIL c = 1 END |
See also