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prefs.h
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Wrap
C/C++ Source or Header
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1996-04-07
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2KB
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54 lines
/* File: prefs.h
* Created: 20-10-95
* Updated: 30-12-95
* Version: 1.0
* Project: Clicker
* Owner: Jeroen Vermeulen
* Requirements: KickStart V39+
* Legal: PD
* Status: Release
*/
/* Defining this preprocessor symbol will disable all mouse-click code. There
* is no real reason for this except that it may help get a few instructions out
* of the critical path of the input stream. Clicker sniffs at any input event
* that comes in, including mouse moves, so the faster it is done the better.
*
* If mouse-clicks are disabled at compile time, the gadget for it in the prefs
* window will be ghosted.
*/
/* #define NOCLICKMOUSE */
struct SoundSettings
{
/* Alter this value at will. There's no need to notify through `newsettings'.
*/
BOOL ClickMouse;
/* Change pitch/length/volume of click by poking new values into this struct,
* and setting newsettings to TRUE afterwards to notify the click routine.
*/
BOOL newsettings;
UWORD period, volume, cycles;
};
/* This global volatile variable enables asynchronous communication between
* processes. New settings for sample volume, click length and pitch will be
* stored into this struct, so the key-click routine will feed the new data into
* its audio request on the next key click.
*/
extern volatile struct SoundSettings ClickPrefs;
/* CopySoundPrefs():
* Copies a SoundSettings structure, like CopyMem() but slightly safer in every-
* day use. It is volatile-safe and const-friendly, and also sets the
* destination's newsettings flag. NULL arguments are *not* safe.
*/
void CopySoundPrefs(volatile const struct SoundSettings *const src,
volatile struct SoundSettings *const dst);