//See Menus
#define M_OPTION1 1
#define M_OPTION2 2
U0 PullDownMenuDemo()
{
I64 msg_code,arg1,arg2;
CMenuEntry *tmpse;
MenuPush(
"File {"
" Open(,'O');"
" Save(,'S');"
" Exit(,CH_SHIFT_ESC);"
"}"
"Edit {"
" Cut(,,SC_DELETE|SCF_SHIFT);"
" Paste(,,SC_INS|SCF_SHIFT);"
"}"
"Misc {"
" Beep(,CH_SPACE);"
" Opt1(MSG_CMD,M_OPTION1);"
" Opt2(MSG_CMD,M_OPTION2);"
"}"
"Help {"
" Help(,,0x3B0000003B);"
" About(,,0x23B0000023B);"
"}");
"A pull-down menu will appear "
"if you move the mouse to the top "
"of the scrn.\n\n";
do {
msg_code=GetMsg(&arg1,&arg2,1<<MSG_KEY_DOWN+1<<MSG_CMD);
"\nCmd:%d ARG1:%X ARG2:%X\n\n",msg_code,arg1,arg2;
switch (msg_code) {
case MSG_KEY_DOWN:
switch (arg1) {//ASCII
case CH_SPACE:
Beep;
break;
case 0:
switch (arg2.u8[0]) {//arg2=Scan code
case SC_F1:
if (arg2&SCF_SHIFT)
"About PullDown Demo\n";
else
"Test the menu.\n";
break;
case SC_DELETE:
if (arg2&SCF_SHIFT)
"Cut\n";
break;
case SC_INS:
if (arg2&SCF_SHIFT)
"Paste\n";
break;
}
break;
}
break;
case MSG_CMD:
//I Recommend making your menu
//drive by key strokes, but you can
//use the MSG_CMD val.
switch (arg1) {
case M_OPTION1:
"Option # 1\n";
if (tmpse=MenuEntryFind(Fs->cur_menu,"Misc/Opt1"))
tmpse->checked=!tmpse->checked;
break;
case M_OPTION2:
"Option # 2\n";
if (tmpse=MenuEntryFind(Fs->cur_menu,"Misc/Opt2"))
tmpse->checked=!tmpse->checked;
break;
}
break;
}
} while (msg_code!=MSG_KEY_DOWN||(arg1!=CH_SHIFT_ESC && arg1!=CH_ESC));
MenuPop;
}
PullDownMenuDemo;