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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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LT_LayoutMenus.c
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C/C++ Source or Header
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1995-04-03
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3KB
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167 lines
/* GadTools layout toolkit
**
** Copyright © 1993-1995 by Olaf `Olsen' Barthel
** Freely distributable.
*/
#include "gtlayout_global.h"
struct Menu * __stdargs
LT_LayoutMenus(LayoutHandle *handle,struct NewMenu *menuTemplate,...)
{
struct Menu *Result;
va_list VarArgs;
va_start(VarArgs,menuTemplate);
Result = LT_LayoutMenusA(handle,menuTemplate,(struct TagItem *)VarArgs);
va_end(VarArgs);
return(Result);
}
/*****************************************************************************/
struct Menu * LIBENT
LT_LayoutMenusA(REG(a0) LayoutHandle *handle,REG(a1) struct NewMenu *menuTemplate,REG(a2) struct TagItem *TagParams)
{
struct Menu *menu;
menu = NULL;
if(handle)
{
struct TagItem *tag,*List = TagParams;
LONG label,last;
LONG *Table = NULL;
ULONG allocSize;
BOOLEAN foundFirst;
BOOLEAN foundLast;
foundFirst = FALSE;
foundLast = FALSE;
while(tag = NextTagItem(&List))
{
switch(tag -> ti_Tag)
{
case LA_LabelTable:
Table = (LONG *)tag -> ti_Data;
break;
case LA_FirstLabel:
foundFirst = TRUE;
label = tag -> ti_Data;
break;
case LA_LastLabel:
foundLast = TRUE;
last = tag -> ti_Data;
break;
}
}
if(foundFirst == foundLast || Table)
{
struct NewMenu *localTemplate = NULL;
if(Table)
{
foundFirst = FALSE;
if(handle -> LocaleHook)
{
LONG count;
count = 0;
while(menuTemplate[count] . nm_Type != NM_END)
count++;
count++;
if(localTemplate = LTP_Alloc(handle,allocSize = sizeof(struct NewMenu) * count))
{
LONG i;
CopyMem(menuTemplate,localTemplate,sizeof(struct NewMenu) * count);
for(i = 0 ; *Table != -1 && i < count ; i++)
{
if(localTemplate[i] . nm_Label != NM_BARLABEL && (localTemplate[i] . nm_Type == NM_TITLE || localTemplate[i] . nm_Type == NM_ITEM || localTemplate[i] . nm_Type == NM_SUB))
localTemplate[i] . nm_Label = (STRPTR)CallHookPkt(handle -> LocaleHook,handle,(APTR)(*Table++));
}
}
}
menuTemplate = localTemplate;
}
if(foundFirst)
{
if(handle -> LocaleHook)
{
LONG count;
count = 0;
while(menuTemplate[count] . nm_Type != NM_END)
count++;
count++;
if(localTemplate = LTP_Alloc(handle,allocSize = sizeof(struct NewMenu) * count))
{
LONG i;
CopyMem(menuTemplate,localTemplate,sizeof(struct NewMenu) * count);
if(foundLast)
count = last - label + 1;
for(i = 0 ; i < count ; i++)
{
if(localTemplate[i] . nm_Label != NM_BARLABEL && (localTemplate[i] . nm_Type == NM_TITLE || localTemplate[i] . nm_Type == NM_ITEM || localTemplate[i] . nm_Type == NM_SUB))
{
localTemplate[i] . nm_Label = (STRPTR)CallHookPkt(handle -> LocaleHook,handle,(APTR)label);
label++;
}
}
}
}
menuTemplate = localTemplate;
}
if(menuTemplate)
{
if(menu = CreateMenusA(menuTemplate,NULL))
{
if(!LayoutMenus(menu,handle -> VisualInfo,
GTMN_NewLookMenus, TRUE,
handle -> AmigaGlyph ? GTMN_AmigaKey : TAG_IGNORE,handle -> AmigaGlyph,
handle -> CheckGlyph ? GTMN_Checkmark : TAG_IGNORE,handle -> CheckGlyph,
TAG_DONE))
{
FreeMenus(menu);
menu = NULL;
}
}
}
LTP_Free(handle,localTemplate,allocSize);
}
}
return(menu);
}