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menuwindow.c
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C/C++ Source or Header
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1993-05-15
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13KB
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505 lines
/*
* menuwindow.c V2.1
*
* menu edit window handling
*
* (c) 1990-1993 Stefan Becker
*/
#include "ToolManagerConf.h"
/* Menu node */
struct MenuNode {
struct Node mn_Node;
char *mn_Exec;
char *mn_Sound;
};
/* Window data */
static struct Gadget *gl; /* Gadget list */
static struct Window *w; /* Window */
static struct MsgPort *wp; /* Window user port */
static UWORD ww,wh; /* Window size */
static struct MenuNode *CurrentNode;
static ULONG CurrentGadgetNum;
static BOOL ReqOpen;
static struct Requester DummyReq;
#define WINDOW_IDCMP (IDCMP_CLOSEWINDOW|IDCMP_REFRESHWINDOW|BUTTONIDCMP|\
STRINGIDCMP|TEXTIDCMP|IDCMP_VANILLAKEY)
/* Gadget data */
#define GAD_NAME_STR 0
#define GAD_EXEC_BUT 1
#define GAD_EXEC_TXT 2
#define GAD_SOUND_BUT 3
#define GAD_SOUND_TXT 4
#define GAD_OK 5
#define GAD_CANCEL 6
#define GADGETS 7
static struct GadgetData gdata[GADGETS];
/* Gadget tags */
static struct TagItem nametags[]={GTST_String, NULL,
GTST_MaxChars, SGBUFLEN,
TAG_DONE};
static struct TagItem exectags[]={GTTX_Text, NULL,
GTTX_Border, TRUE,
TAG_DONE};
static struct TagItem soundtags[]={GTTX_Text, NULL,
GTTX_Border, TRUE,
TAG_DONE};
/* Gadget vanilla key data */
#define KEY_NAME 0
#define KEY_EXEC 1
#define KEY_SOUND 2
#define KEY_OK 3
#define KEY_CANCEL 4
static char KeyArray[KEY_CANCEL+1];
/* Init menu edit window */
void InitMenuEditWindow(UWORD left, UWORD fheight)
{
ULONG tmp,tmp2,maxw1,maxw2;
ULONG strheight=fheight+2;
struct GadgetData *gd;
/* Init strings */
gdata[GAD_OK].name =AppStrings[MSG_WINDOW_OK_GAD];
gdata[GAD_CANCEL].name =AppStrings[MSG_WINDOW_CANCEL_GAD];
/* Calculate maximum label width for string gadgets */
maxw1=TextLength(&TmpRastPort,AppStrings[MSG_WINDOW_NAME_GAD],
strlen(AppStrings[MSG_WINDOW_NAME_GAD]));
tmp=TextLength(&TmpRastPort,AppStrings[MSG_WINDOW_EXEC_GAD],
strlen(AppStrings[MSG_WINDOW_EXEC_GAD]))+2*INTERWIDTH;
if (tmp > maxw1) maxw1=tmp;
tmp=TextLength(&TmpRastPort,AppStrings[MSG_WINDOW_SOUND_GAD],
strlen(AppStrings[MSG_WINDOW_SOUND_GAD]))+2*INTERWIDTH;
if (tmp > maxw1) maxw1=tmp;
maxw1+=INTERWIDTH;
/* Calculate minimal string gadget width */
ww=TextLength(&TmpRastPort,AppStrings[MSG_MENUWIN_NEWNAME],
strlen(AppStrings[MSG_MENUWIN_NEWNAME]))+
maxw1+3*INTERWIDTH;
/* Calculate button gadgets width */
gd=&gdata[GAD_OK];
maxw2=TextLength(&TmpRastPort,gd->name,strlen(gd->name));
gd++;
if ((tmp=TextLength(&TmpRastPort,gd->name,strlen(gd->name))) > maxw2)
maxw2=tmp;
maxw2+=2*INTERWIDTH;
if ((tmp=2*(maxw2+INTERWIDTH)) > ww) ww=tmp;
/* window height */
wh=4*fheight+5*INTERHEIGHT+6;
/* Init gadgets */
gd=gdata;
tmp=WindowTop+INTERHEIGHT;
tmp2=ww-maxw1-INTERWIDTH;
/* Name string gadget */
gd->name=AppStrings[MSG_WINDOW_NAME_GAD];
gd->type=STRING_KIND;
gd->flags=PLACETEXT_LEFT;
gd->tags=nametags;
gd->left=maxw1+left;
gd->top=tmp;
gd->width=tmp2;
gd->height=strheight;
tmp+=strheight+INTERHEIGHT;
/* Exec object button gadget */
gd++;
gd->name=AppStrings[MSG_WINDOW_EXEC_GAD];
gd->type=BUTTON_KIND;
gd->flags=PLACETEXT_IN;
gd->left=left;
gd->top=tmp;
gd->width=maxw1-INTERWIDTH;
gd->height=strheight;
/* Exec object text gadget */
gd++;
gd->type=TEXT_KIND;
gd->tags=exectags;
gd->left=maxw1+left;
gd->top=tmp;
gd->width=tmp2;
gd->height=strheight;
tmp+=strheight+INTERHEIGHT;
/* Sound object button gadget */
gd++;
gd->name=AppStrings[MSG_WINDOW_SOUND_GAD];
gd->type=BUTTON_KIND;
gd->flags=PLACETEXT_IN;
gd->left=left;
gd->top=tmp;
gd->width=maxw1-INTERWIDTH;
gd->height=strheight;
/* Sound object text gadget */
gd++;
gd->type=TEXT_KIND;
gd->tags=soundtags;
gd->left=maxw1+left;
gd->top=tmp;
gd->width=tmp2;
gd->height=strheight;
tmp+=strheight+INTERHEIGHT;
/* OK button gadget */
gd++;
gd->type=BUTTON_KIND;
gd->flags=PLACETEXT_IN;
gd->left=left;
gd->top=tmp;
gd->width=maxw2;
gd->height=fheight;
/* Cancel button gadget */
gd++;
gd->type=BUTTON_KIND;
gd->flags=PLACETEXT_IN;
gd->left=ww-maxw2-INTERWIDTH+left;
gd->top=tmp;
gd->width=maxw2;
gd->height=fheight;
/* Init vanilla key array */
KeyArray[KEY_NAME] =FindVanillaKey(gdata[GAD_NAME_STR].name);
KeyArray[KEY_EXEC] =FindVanillaKey(gdata[GAD_EXEC_BUT].name);
KeyArray[KEY_SOUND] =FindVanillaKey(gdata[GAD_SOUND_BUT].name);
KeyArray[KEY_OK] =FindVanillaKey(gdata[GAD_OK].name);
KeyArray[KEY_CANCEL]=FindVanillaKey(gdata[GAD_CANCEL].name);
/* Init dummy requester structure */
InitRequester(&DummyReq);
}
/* Free menu node */
void FreeMenuNode(struct Node *node)
{
struct MenuNode *mn=(struct MenuNode *) node;
char *s;
if (s=mn->mn_Node.ln_Name) free(s);
if (s=mn->mn_Exec) free(s);
if (s=mn->mn_Sound) free(s);
/* Free node */
FreeMem(mn,sizeof(struct MenuNode));
}
/* Copy menu node */
struct Node *CopyMenuNode(struct Node *node)
{
struct MenuNode *mn,*orignode=(struct MenuNode *) node;
/* Alloc memory for menu node */
if (mn=AllocMem(sizeof(struct MenuNode),MEMF_PUBLIC|MEMF_CLEAR)) {
/* Got an old node? */
if (orignode) {
/* Yes, copy it */
if ((!orignode->mn_Node.ln_Name || (mn->mn_Node.ln_Name=
strdup(orignode->mn_Node.ln_Name))) &&
(!orignode->mn_Exec || (mn->mn_Exec=strdup(orignode->mn_Exec))) &&
(!orignode->mn_Sound || (mn->mn_Sound=strdup(orignode->mn_Sound))))
return(mn);
} else
/* No, set defaults */
if (mn->mn_Node.ln_Name=strdup(AppStrings[MSG_MENUWIN_NEWNAME]))
/* Return pointer to new node */
return(mn);
FreeMenuNode((struct Node *) mn);
}
/* Call failed */
return(NULL);
}
/* Create menu node from string */
struct Node *CreateMenuNode(char *name)
{
struct MenuNode *mn;
/* Alloc memory for menu node */
if (mn=AllocMem(sizeof(struct MenuNode),MEMF_PUBLIC|MEMF_CLEAR)) {
/* Init node */
if ((mn->mn_Node.ln_Name=strdup(name)) &&
(mn->mn_Exec=strdup(name)))
/* All OK. */
return(mn);
FreeMenuNode((struct Node *) mn);
}
/* Call failed */
return(NULL);
}
/* Activate name string gadget */
static void ActivateNameGadget(void)
{
ActivateGadget(gdata[GAD_NAME_STR].gadget,w,NULL);
}
/* Open menu edit window */
BOOL OpenMenuEditWindow(struct Node *node, struct Window *parent)
{
/* Copy node */
if (CurrentNode=(struct MenuNode *) CopyMenuNode(node)) {
/* Set tags */
nametags[0].ti_Data=(ULONG) CurrentNode->mn_Node.ln_Name;
exectags[0].ti_Data=(ULONG) CurrentNode->mn_Exec;
soundtags[0].ti_Data=(ULONG) CurrentNode->mn_Sound;
/* Create gadgets */
if (gl=CreateGadgetList(gdata,GADGETS)) {
/* Open window */
if (w=OpenWindowTags(NULL,WA_Left, parent->LeftEdge,
WA_Top, parent->TopEdge+WindowTop,
WA_InnerWidth, ww,
WA_InnerHeight, wh,
WA_AutoAdjust, TRUE,
WA_Title, AppStrings[MSG_MENUWIN_TITLE],
WA_PubScreen, PublicScreen,
WA_Flags, WFLG_CLOSEGADGET|WFLG_DRAGBAR|
WFLG_DEPTHGADGET|WFLG_RMBTRAP|
WFLG_ACTIVATE,
TAG_DONE)) {
/* Add gadgets to window */
AddGList(w,gl,(UWORD) -1,(UWORD) -1,NULL);
RefreshGList(gl,w,NULL,(UWORD) -1);
GT_RefreshWindow(w,NULL);
/* Activate name string gadget */
ActivateNameGadget();
/* Set local variables */
w->UserPort=IDCMPPort;
w->UserData=(BYTE *) HandleMenuEditWindowIDCMP;
ModifyIDCMP(w,WINDOW_IDCMP);
CurrentWindow=w;
ReqOpen=FALSE;
/* All OK. */
return(TRUE);
}
FreeGadgets(gl);
}
FreeMenuNode((struct Node *) CurrentNode);
}
/* Call failed */
return(FALSE);
}
/* Close menu edit window */
static void CloseMenuEditWindow(void)
{
/* Free resources */
RemoveGList(w,gl,(UWORD) -1);
CloseWindowSafely(w);
FreeGadgets(gl);
}
/* Exec & Sound gadget function */
static void TextButtonGadgetFunc(ULONG gadnum, ULONG listnum)
{
if (!ReqOpen) {
/* Save gadget number */
CurrentGadgetNum=gadnum;
/* Open list requester */
if (OpenListRequester(listnum,w)) {
/* Disable window */
DisableWindow(w,&DummyReq);
/* Set update function */
UpdateWindow=UpdateMenuEditWindow;
ReqOpen=TRUE;
}
}
}
/* OK gadget function */
static struct Node *OKGadgetFunc(void)
{
struct Node *rc;
char *s;
/* Free old string */
if (s=CurrentNode->mn_Node.ln_Name) free(s);
/* Duplicate new string */
if ((CurrentNode->mn_Node.ln_Name=
DuplicateBuffer(gdata[GAD_NAME_STR].gadget)) != (char *) -1)
rc=(struct Node *) CurrentNode;
else {
/* Couldn't copy strings */
rc=(struct Node *) -1;
FreeMenuNode((struct Node *) CurrentNode);
}
return(rc);
}
/* Handle menu edit window IDCMP events */
void *HandleMenuEditWindowIDCMP(struct IntuiMessage *msg)
{
struct Node *NewNode=NULL;
/* Which IDCMP class? */
switch (msg->Class) {
case IDCMP_CLOSEWINDOW: NewNode=(struct Node *) -1;
FreeMenuNode((struct Node *) CurrentNode);
break;
case IDCMP_REFRESHWINDOW: GT_BeginRefresh(w);
GT_EndRefresh(w,TRUE);
break;
case IDCMP_GADGETUP:
switch (((struct Gadget *) msg->IAddress)->GadgetID) {
case GAD_EXEC_BUT: TextButtonGadgetFunc(GAD_EXEC_TXT,LISTREQ_EXEC);
break;
case GAD_SOUND_BUT: TextButtonGadgetFunc(GAD_SOUND_TXT,LISTREQ_SOUND);
break;
case GAD_OK: NewNode=OKGadgetFunc();
break;
case GAD_CANCEL: NewNode=(struct Node *) -1;
FreeMenuNode((struct Node *) CurrentNode);
break;
}
break;
case IDCMP_VANILLAKEY:
switch (MatchVanillaKey(msg->Code,KeyArray)) {
case KEY_NAME: ActivateNameGadget();
break;
case KEY_EXEC: TextButtonGadgetFunc(GAD_EXEC_TXT,LISTREQ_EXEC);
break;
case KEY_SOUND: TextButtonGadgetFunc(GAD_SOUND_TXT,LISTREQ_SOUND);
break;
case KEY_OK: NewNode=OKGadgetFunc();
break;
case KEY_CANCEL: NewNode=(struct Node *) -1;
FreeMenuNode((struct Node *) CurrentNode);
break;
}
break;
}
/* Close window? */
if (NewNode) {
/* Yes. But first reply message!!! */
GT_ReplyIMsg(msg);
CloseMenuEditWindow();
}
return(NewNode);
}
/* Update Menu edit window */
void UpdateMenuEditWindow(void *data)
{
/* Got data? */
if (data != LREQRET_CANCEL) {
char *new;
/* Selected something? */
new=(data == LREQRET_NOSELECT) ? NULL : ((struct Node *) data)->ln_Name;
/* Duplicate name */
if (!new || (new=strdup(new))) {
char *old;
/* Exec object? */
if (CurrentGadgetNum==GAD_EXEC_TXT) {
/* Yes. Set new Exec name */
old=CurrentNode->mn_Exec;
CurrentNode->mn_Exec=new;
} else {
/* No. Set new Sound name */
old=CurrentNode->mn_Sound;
CurrentNode->mn_Sound=new;
}
/* Free old string */
if (old) free(old);
/* Set new text */
GT_SetGadgetAttrs(gdata[CurrentGadgetNum].gadget,w,NULL,GTTX_Text,new,
TAG_DONE);
}
}
/* Enable window */
EnableWindow(w,&DummyReq,WINDOW_IDCMP);
/* Restore update function pointer */
UpdateWindow=UpdateMainWindow;
CurrentWindow=w;
ReqOpen=FALSE;
}
/* Read TMMO IFF chunk into Menu node */
struct Node *ReadMenuNode(UBYTE *buf)
{
struct MenuNode *mn;
/* Allocate memory for node */
if (mn=AllocMem(sizeof(struct MenuNode),MEMF_PUBLIC|MEMF_CLEAR)) {
struct MenuPrefsObject *mpo=(struct MenuPrefsObject *) buf;
ULONG sbits=mpo->mpo_StringBits;
UBYTE *ptr=(UBYTE *) &mpo[1];
if ((!(sbits & MOPO_NAME) || (mn->mn_Node.ln_Name=GetConfigStr(&ptr))) &&
(!(sbits & MOPO_EXEC) || (mn->mn_Exec=GetConfigStr(&ptr))) &&
(!(sbits & MOPO_SOUND) || (mn->mn_Sound=GetConfigStr(&ptr))))
/* All OK. */
return(mn);
/* Call failed */
FreeMenuNode((struct Node *) mn);
}
return(NULL);
}
/* Write Menu node to TMMO IFF chunk */
BOOL WriteMenuNode(struct IFFHandle *iff, UBYTE *buf, struct Node *node)
{
struct MenuNode *mn=(struct MenuNode *) node;
struct MenuPrefsObject *mpo=(struct MenuPrefsObject *) buf;
ULONG sbits=0;
UBYTE *ptr=(UBYTE *) &mpo[1];
/* Copy strings */
if (PutConfigStr(mn->mn_Node.ln_Name,&ptr)) sbits|=MOPO_NAME;
if (PutConfigStr(mn->mn_Exec,&ptr)) sbits|=MOPO_EXEC;
if (PutConfigStr(mn->mn_Sound,&ptr)) sbits|=MOPO_SOUND;
/* set string bits */
mpo->mpo_StringBits=sbits;
/* calculate length */
sbits=ptr-buf;
DEBUG_PRINTF("chunk size %ld\n",sbits);
/* Open chunk */
if (PushChunk(iff,0,ID_TMMO,sbits)) return(FALSE);
/* Write chunk */
if (WriteChunkBytes(iff,buf,sbits)!=sbits) return(FALSE);
/* Close chunk */
if (PopChunk(iff)) return(FALSE);
/* All OK. */
return(TRUE);
}