home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Power-Programmierung
/
CD1.mdf
/
magazine
/
drdobbs
/
1992
/
06
/
dflt12
/
menu.c
< prev
next >
Wrap
Text File
|
1992-01-21
|
2KB
|
86 lines
/* ------------- menu.c ------------- */
#include "dflat.h"
static struct PopDown *FindCmd(MBAR *mn, int cmd)
{
MENU *mnu = mn->PullDown;
while (mnu->Title != (void *)-1) {
struct PopDown *pd = mnu->Selections;
while (pd->SelectionTitle != NULL) {
if (pd->ActionId == cmd)
return pd;
pd++;
}
mnu++;
}
return NULL;
}
char *GetCommandText(MBAR *mn, int cmd)
{
struct PopDown *pd = FindCmd(mn, cmd);
if (pd != NULL)
return pd->SelectionTitle;
return NULL;
}
BOOL isCascadedCommand(MBAR *mn, int cmd)
{
struct PopDown *pd = FindCmd(mn, cmd);
if (pd != NULL)
return pd->Attrib & CASCADED;
return FALSE;
}
void ActivateCommand(MBAR *mn, int cmd)
{
struct PopDown *pd = FindCmd(mn, cmd);
if (pd != NULL)
pd->Attrib &= ~INACTIVE;
}
void DeactivateCommand(MBAR *mn, int cmd)
{
struct PopDown *pd = FindCmd(mn, cmd);
if (pd != NULL)
pd->Attrib |= INACTIVE;
}
BOOL isActive(MBAR *mn, int cmd)
{
struct PopDown *pd = FindCmd(mn, cmd);
if (pd != NULL)
return !(pd->Attrib & INACTIVE);
return FALSE;
}
BOOL GetCommandToggle(MBAR *mn, int cmd)
{
struct PopDown *pd = FindCmd(mn, cmd);
if (pd != NULL)
return (pd->Attrib & CHECKED) != 0;
return FALSE;
}
void SetCommandToggle(MBAR *mn, int cmd)
{
struct PopDown *pd = FindCmd(mn, cmd);
if (pd != NULL)
pd->Attrib |= CHECKED;
}
void ClearCommandToggle(MBAR *mn, int cmd)
{
struct PopDown *pd = FindCmd(mn, cmd);
if (pd != NULL)
pd->Attrib &= ~CHECKED;
}
void InvertCommandToggle(MBAR *mn, int cmd)
{
struct PopDown *pd = FindCmd(mn, cmd);
if (pd != NULL)
pd->Attrib ^= CHECKED;
}