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Amiga Plus 1995 #5 & #6
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Amiga Plus CD - 1995 - No. 5 and 6.iso
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gtlayout-source.lha
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LTP_FracEditRoutine.c
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C/C++ Source or Header
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1995-03-25
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2KB
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98 lines
/* GadTools layout toolkit
**
** Copyright © 1993-1995 by Olaf `Olsen' Barthel
** Freely distributable.
*/
#include "gtlayout_global.h"
#ifdef DO_FRACTION_KIND
ULONG __asm __saveds
LTP_FracEditRoutine(register __a0 struct Hook *Hook,register __a2 struct SGWork *Work,register __a1 ULONG *Msg)
{
if(*Msg == SGH_KEY)
{
if(Work -> IEvent -> ie_Code == 0x5F)
{
LayoutHandle *Handle = Hook -> h_Data;
if(Handle -> HelpHook)
{
Work -> Code = 0x5F;
Work -> Actions = (Work -> Actions & ~SGA_BEEP) | SGA_END | SGA_USE;
LTP_AddHistory(Work);
return(TRUE);
}
}
if(Work -> IEvent -> ie_Code == CURSORUP || Work -> IEvent -> ie_Code == CURSORDOWN)
LTP_HandleHistory(Work);
if(Work -> EditOp == EO_ENTER)
{
LayoutHandle *Handle = Hook -> h_Data;
ObjectNode *Node;
BOOLEAN Activate = TRUE;
if(GETOBJECT(Work -> Gadget,Node))
{
if(Node -> Type == FRACTION_KIND && Node -> Special . String . LastGadget)
Activate = FALSE;
}
if(!(Work -> IEvent -> ie_Qualifier & QUALIFIER_SHIFT))
{
if(Activate && Handle -> AutoActivate)
Work -> Actions |= SGA_NEXTACTIVE;
if(!(Work -> Actions & SGA_NEXTACTIVE))
Work -> Code = '\r';
}
}
if(Work -> EditOp == EO_INSERTCHAR || Work -> EditOp == EO_REPLACECHAR)
{
UBYTE DecimalPoint = (LTP_Locale ? LTP_Locale -> loc_DecimalPoint[0] : '.');
if(Work -> Code == DecimalPoint || (Work -> Code >= '0' && Work -> Code <= '9'))
{
if(Work -> Code == DecimalPoint)
{
BOOLEAN UseIt = TRUE;
LONG i;
for (i = 0 ; UseIt && i < Work -> NumChars ; i++)
{
if(Work -> PrevBuffer[i] == DecimalPoint)
UseIt = FALSE;
}
if(!UseIt)
{
Work -> Actions &= ~SGA_USE;
Work -> Actions |= SGA_BEEP;
}
}
}
else
{
Work -> Actions &= ~SGA_USE;
Work -> Actions |= SGA_BEEP;
}
}
if(Work -> Actions & SGA_END)
LTP_AddHistory(Work);
}
else
{
if(*Msg != SGH_CLICK)
return(FALSE);
}
return(TRUE);
}
#endif