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Turnbull China Bikeride
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ButtIsHeld
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1995-07-08
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2KB
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49 lines
/*
#### # # # #
# # # # # The FreeWare C library for
# # ## ### # # # # ### RISC OS machines
# # # # # # # # # # # ___________________________________
# # #### ### ## # # # #
# # # # # # # # # # Please refer to the accompanying
#### ### #### # # ##### # ### documentation for conditions of use
________________________________________________________________________
File: Icon.ButtIsHeld.c
Author: Copyright © 1994 Lenny
Version: 0.01 (23 Nov 1994)
Purpose: Returns TRUE if a mouse button is held down.
History: 0.01 (23 Nov 94) : Added 'Icon_ButtonIsHeld()'
*/
/* --- LOAD HEADERS ------------------------------------------------------ */
/* --- DeskLib ----------------------------------------------------------- */
#include "DeskLib:WimpSWIs.h" /* Low-level WIMP commands */
#include "DeskLib:Icon.h"
/* === FUNCTION DEFINITIONS ============================================== */
extern BOOL Icon_ButtonIsHeld(void)
/*
* Returns TRUE if a mouse button is held down.
*
* Usage : With inc/dec type icons where auto-repeat is required for an
* icon using a 3D effect, with a button type 'Click'.
* It prevents the annoying repeated indent-outdent effect
* produced when using a button type 'Auto-Repeat' with a 3D
* icon.
* It currently returns TRUE, even if the pointer is no longer over the
* icon, provided the button is still held down.
*/
{
mouse_block mouse;
Wimp_GetPointerInfo(&mouse); /* Get mouse button info */
return ((mouse.button.value & 0x07) != 0);
}
/***************************************************************************/