2024-12-01 19:35:24 +00:00
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//| Copyright: (C) 2020-2024 Kevin Larke <contact AT larke DOT org>
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//| License: GNU GPL version 3.0 or above. See the accompanying LICENSE file.
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2022-06-12 20:50:44 +00:00
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#ifndef cwKeyboard_H
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#define cwKeyboard_H
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namespace cw
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{
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enum
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{
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kInvalidKId,
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kAsciiKId,
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kLeftArrowKId,
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kRightArrowKId,
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kUpArrowKId,
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kDownArrowKId,
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kHomeKId,
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kEndKId,
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kPgUpKId,
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kPgDownKId,
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kInsertKId,
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kDeleteKId,
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};
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typedef struct
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{
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unsigned code;
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char ch;
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bool ctlFl;
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bool altFl;
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} cmKbRecd;
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// Set 'p' to NULL if the value of the key is not required.
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void keyPress( cmKbRecd* p );
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// Return non-zero if a key is waiting to be read otherwise return 0.
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// Use getchar() to pick up the key.
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//
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// Example:
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// while( 1 )
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// {
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// if( cmIsKeyWaiting() == 0 )
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// usleep(20000);
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// else
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// {
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// char c = getchar();
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// switch(c)
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// {
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// ....
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// }
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// }
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//
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// }
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//
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// TODO: Note that this function turns off line-buffering on stdin.
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// It should be changed to a three function sequence.
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// bool org_state = cmSetStdinLineBuffering(false);
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// ....
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// isKeyWaiting()
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// ....
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// setStdinLineBuffering(org_state)
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int isKeyWaiting();
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void kbTest1();
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void kbTest2();
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void kbTest3();
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}
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#endif
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