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80 lines
2.7 KiB
Plaintext
80 lines
2.7 KiB
Plaintext
{{QBDLDATE:05-20-2022}}
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{{QBDLTIME:23:06:20}}
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{{DISPLAYTITLE:_ALLOWFULLSCREEN}}
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The [[_ALLOWFULLSCREEN]] statement allows setting the behavior of the ALT+ENTER combo.
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{{PageSyntax}}
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: [[_ALLOWFULLSCREEN]] [{_STRETCH|_SQUAREPIXELS|OFF|_ALL}][, {_SMOOTH|OFF|_ALL}]
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{{PageDescription}}
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* Calling the statement with no parameters enables all four possible full screen modes (and is the default state when a program is started): both [[_STRETCH]] ([[_SMOOTH]] and [[_OFF]]) and [[_SQUAREPIXELS]] ([[_SMOOTH]] and [[_OFF]]).
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** Using [[_ALLOWFULLSCREEN]] [[_ALL]], [[_ALL]] has the same effect.
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* [[_ALLOWFULLSCREEN]] only affects the behavior of ALT+ENTER. The [[_FULLSCREEN]] statement is not bound by [[_ALLOWFULLSCREEN]]'s settings so all modes can be accessed programmatically.
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* To limit just the mode but allow both _SMOOTH + _OFF antialiasing modes, pass just the first parameter: ''Example:'' [[_ALLOWFULLSCREEN]] _SQUAREPIXELS
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* To allow multiple modes with _SMOOTH or _OFF as default, pass just the second parameter. ''Example:'' [[_ALLOWFULLSCREEN]] , _SMOOTH
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* Any possible permutation of the parameters is allowed.
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* With [[_ALLOWFULLSCREEN]] _OFF you can trap Alt+Enter manually in your program and reassign it. See example 2 below.
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==Availability==
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* '''Version 1.3 and up'''.
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{{PageExamples}}
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''Example 1:'' Allowing only one fullscreen mode with square pixels and no antialiasing:
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{{CodeStart}}
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{{Cl|_ALLOWFULLSCREEN}} {{Cl|_SQUAREPIXELS}}, {{Cl|OFF}}
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{{CodeEnd}}
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''Example 2:'' Disabling _FULLSCREEN with Alt+ENTER so the combo can be manually trapped:
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{{CodeStart}}
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{{Cl|DO}}
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{{Cl|CLS}}
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{{Cl|LOCATE}} 7
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{{Cl|PRINT}} " - Press ALT+ENTER to test trapping the combo..."
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{{Cl|PRINT}} " _ Press SPACEBAR to allow fullscreen again..."
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k& = {{Cl|_KEYHIT}}
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{{Cl|IF}} k& = 13 {{Cl|THEN}}
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{{Cl|IF}} {{Cl|_KEYDOWN}}(100307) {{Cl|OR}} {{Cl|_KEYDOWN}}(100308) {{Cl|THEN}}
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altEnter = altEnter + 1
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{{Cl|END IF}}
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{{Cl|ELSEIF}} k& = 32 {{Cl|THEN}}
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fullscreenEnabled = {{Cl|NOT}} fullscreenEnabled
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{{Cl|END IF}}
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{{Cl|LOCATE}} 14
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{{Cl|IF}} fullscreenEnabled {{Cl|THEN}}
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{{Cl|_ALLOWFULLSCREEN}} {{Cl|_ALL}}, {{Cl|_ALL}}
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altEnter = 0
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{{Cl|PRINT}} "_ALLOWFULLSCREEN _ALL, _ALL"
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{{Cl|LOCATE}} 18
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{{Cl|PRINT}} "ALT+ENTER will trigger all four fullscreen modes now."
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{{Cl|ELSE}}
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{{Cl|_ALLOWFULLSCREEN}} {{Cl|OFF}}
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{{Cl|PRINT}} "_ALLOWFULLSCREEN OFF"
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{{Cl|END IF}}
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{{Cl|IF}} altEnter {{Cl|THEN}}
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{{Cl|LOCATE}} 18
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{{Cl|PRINT}} "ALT+ENTER manually trapped"; altEnter; "times."
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{{Cl|END IF}}
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{{Cl|_DISPLAY}}
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{{Cl|_LIMIT}} 30
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{{Cl|LOOP}}
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{{CodeEnd}}
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{{PageSeeAlso}}
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* [[_FULLSCREEN]], [[_SMOOTH (function)]]
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{{PageNavigation}}
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