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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_MakeItem.c
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C/C++ Source or Header
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1995-03-25
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3KB
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122 lines
/* GadTools layout toolkit
**
** Copyright © 1993-1995 by Olaf `Olsen' Barthel
** Freely distributable.
**
** :ts=4
*/
#include "gtlayout_global.h"
#ifdef DO_MENUS
/* LTP_MakeItem(RootMenu *Root,struct NewMenu *Template):
*
* Create a single menu item and fill it in.
*/
ItemNode * __regargs
LTP_MakeItem(RootMenu *Root,struct NewMenu *Template)
{
ItemNode *Item;
LONG Size;
// Which type of entry to create
if(Template -> nm_Label == NM_BARLABEL)
Size = sizeof(ItemNode) + sizeof(struct Image);
else
Size = sizeof(ItemNode) + sizeof(struct IntuiText);
// Make room for it
if(Item = AsmAllocPooled(Root -> Pool,Size,SysBase))
{
// Is it a separator bar?
if(Template -> nm_Label == NM_BARLABEL)
{
struct Image *Image = (struct Image *)(Item + 1);
// Fill in the image data
Image -> LeftEdge = 2;
Image -> TopEdge = 2;
Image -> Depth = Root -> DrawInfo -> dri_Depth;
Image -> PlaneOnOff = Root -> TextPen;
Image -> Height = 2;
// Now take care of the item itself
Item -> Item . ItemFill = Image;
Item -> Item . Width = 2;
Item -> Item . Height = 2 + Image -> Height + 2;
Item -> Flags = ITEMF_IsBar;
Item -> Item . Flags = HIGHNONE;
}
else
{
struct IntuiText *IntuiText = (struct IntuiText *)(Item + 1);
// Fill in the label
LTP_InitIText(Root,IntuiText);
IntuiText -> LeftEdge = 2;
IntuiText -> TopEdge = (Root -> ItemHeight - Root -> RPort . TxHeight) / 2;
IntuiText -> IText = Template -> nm_Label;
// Now take care of the item itself
Item -> Item . ItemFill = IntuiText;
Item -> Item . Width = 2 + TextLength(&Root -> RPort,IntuiText -> IText,strlen(IntuiText -> IText)) + 2;
Item -> Item . Height = Root -> ItemHeight;
Item -> Item . Flags = ITEMTEXT | HIGHCOMP;
// Is there a command to take care of?
if(Template -> nm_CommKey)
{
// Special command?
if(Template -> nm_Flags & NM_COMMANDSTRING)
{
Item -> ExtraLabel = Template -> nm_CommKey;
Item -> Flags = ITEMF_Command;
}
else
{
// Just put in the usual command sequence in there
Item -> Item . Flags |= COMMSEQ;
Item -> Item . Command = (BYTE)ToUpper(Template -> nm_CommKey[0]);
}
}
// Move up for the checkmark
if(Template -> nm_Flags & CHECKIT)
Item -> Item . Width += 2 + Root -> CheckWidth;
// Disable the item if necessary
if(!(Template -> nm_Flags & NM_ITEMDISABLED))
Item -> Item . Flags |= ITEMENABLED;
// Fill in the rest of the flags
Item -> Item . Flags |= Template -> nm_Flags & (CHECKIT | MENUTOGGLE | CHECKED);
// Take care of the remaining data
Item -> Item . MutualExclude = Template -> nm_MutualExclude;
}
Item -> UserData = Template -> nm_UserData;
}
return(Item);
}
#endif /* DO_MENUS */