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StringHook.c
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1991-07-06
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/* $Revision Header * Header built automatically - do not edit! *************
*
* (C) Copyright 1990 by Olaf 'Olsen' Barthel & MXM
*
* Name .....: StringHook.c
* Created ..: Wednesday 06-Feb-91 12:35
* Revision .: 0
*
* Date Author Comment
* ========= ======== ====================
* 06-Feb-91 Olsen Created this file!
*
* $Revision Header ********************************************************/
#include "TermGlobal.h"
/* HookEntry():
*
* Call a hook function.
*/
ULONG __saveds __asm
HookEntry(register __a0 struct Hook *HookPtr,register __a2 APTR Object,register __a1 APTR Message)
{
return(HookPtr -> h_SubEntry(HookPtr,Object,Message));
}
/* InitHook(struct Hook *Hook,APTR HookCode):
*
* Set up a call back routine (hook).
*/
VOID
InitHook(struct Hook *Hook,APTR HookCode)
{
Hook -> h_Entry = HookEntry;
Hook -> h_SubEntry = HookCode;
Hook -> h_Data = 0;
}
/* CommandKey(struct Hook *Hook,struct SGWork *Work,ULONG *Msg):
*
* This routine is called whenever input passes through
* a `term' string gadget. It releases the currently
* active string gadget as soon as the Right-Amiga-key is
* pressed (user is about to select a menu item).
*/
VOID
CommandKey(struct Hook *Hook,struct SGWork *Work,ULONG *Msg)
{
if(Msg[0] == SGH_KEY)
{
if(Work -> Actions & SGA_END)
Work -> Actions |= SGA_NEXTACTIVE;
if((Work -> IEvent -> ie_Qualifier & AMIGARIGHT) && Work -> IEvent -> ie_Code < 96)
{
if(!(Work -> IEvent -> ie_Qualifier & (IEQUALIFIER_LSHIFT|IEQUALIFIER_RSHIFT)) && (Work -> IEvent -> ie_Code == KEYCODE_X || Work -> IEvent -> ie_Code == KEYCODE_Q))
return;
else
{
Work -> Actions |= (SGA_END|SGA_REUSE);
Work -> Actions &= ~(SGA_USE|SGA_BEEP);
CommandWindow = Work -> GadgetInfo -> gi_Window;
CommandGadget = Work -> Gadget;
}
}
/* The user pressed the cursor-right key to
* move the cursor to the next word in the buffer.
*/
if(Work -> IEvent -> ie_Code == CURSORRIGHT && (Work -> IEvent -> ie_Qualifier & IEQUALIFIER_CONTROL))
{
if(Work -> BufferPos != Work -> NumChars)
{
SHORT i,Position = -1;
for(i = Work -> BufferPos ; i < Work -> NumChars ; i++)
{
if(Work -> WorkBuffer[i] == ' ')
{
for( ; i < Work -> NumChars ; i++)
{
if(Work -> WorkBuffer[i] != ' ')
{
Position = i;
break;
}
}
break;
}
}
if(Position != -1)
Work -> BufferPos = Position;
else
Work -> BufferPos = Work -> NumChars;
Work -> EditOp = EO_MOVECURSOR;
}
}
/* The user pressed the cursor-right key to
* move the cursor to the previous word in the buffer.
*/
if(Work -> IEvent -> ie_Code == CURSORLEFT && (Work -> IEvent -> ie_Qualifier & IEQUALIFIER_CONTROL))
{
if(Work -> BufferPos)
{
SHORT i,Position = -1;
for(i = Work -> BufferPos ; i >= 0 ; i--)
{
if(Work -> WorkBuffer[i] != ' ')
{
Position = i;
break;
}
}
if(Position == -1)
Position = 0;
if(Position)
{
i = Position;
Position = -1;
for( ; i >= 0 ; i--)
{
if(Work -> WorkBuffer[i] == ' ')
{
Position = i + 1;
break;
}
}
}
if(Position != -1)
Work -> BufferPos = Position;
else
Work -> BufferPos = 0;
Work -> EditOp = EO_MOVECURSOR;
}
}
}
}
/* DubGadList(struct Gadget *Gadget):
*
* Walk through a linked list of gadgets and modify
* the string gadgets to use the private string gadget
* editing hook.
*/
VOID
DubGadList(struct Gadget *Gadget)
{
while(Gadget)
{
if((Gadget -> GadgetType & GTYP_GTYPEMASK) == GTYP_STRGADGET)
{
SGEXT(Gadget,&CommandExtend);
Gadget -> Activation |= GACT_IMMEDIATE;
}
Gadget = Gadget -> NextGadget;
}
}