154 lines
2.1 KiB
R
154 lines
2.1 KiB
R
#include "impulse_menu.h"
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#include "string.h"
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@implementation MenuItem
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- (id) initWithText:(string)txt
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{
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self = [super init];
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text = txt;
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return self;
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}
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- (string) text
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{
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return text;
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}
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- (void) select
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{
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}
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@end
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@implementation FlagMenuItem
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- (id) initWithText:(string)txt flagObject:(id)flg
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{
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self = [super initWithText: txt];
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flag = flg;
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return self;
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}
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- (string) text
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{
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local integer state = (integer)[flag state];
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return sprintf ("[%c] %s", state ? '#' : ' ', [super text]);
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}
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- (void) select
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{
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[flag toggle];
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}
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@end
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@implementation CommandMenuItem
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- (id) initWithText:(string)txt object:(id)obj selector:(SEL)sel
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{
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self = [super initWithText: txt];
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object = obj;
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selector = sel;
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return self;
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}
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- (void) select
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{
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[object performSelector:selector];
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}
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@end
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@implementation ImpulseMenu
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- (id) initWithText:(string)txt
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{
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self = [super init];
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text = txt;
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return self;
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}
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- (integer) impulse: (integer) imp
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{
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return imp;
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}
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- (string) text
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{
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return sprintf ("%s", text);
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}
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@end
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@implementation ImpulseValueMenu
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- (integer) impulse: (integer) imp
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{
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if (imp < 1 || imp > 10)
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return imp;
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if (imp == 10)
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imp = 0;
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value = value * 10 + imp;
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return 0;
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}
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- (string) text
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{
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return sprintf ("%s%i", text, value);
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}
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- (void) clearValue
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{
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value = 0;
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}
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- (integer) value
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{
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return value;
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}
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@end
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@implementation ImpulseListMenu
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- (integer) impulse: (integer) imp
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{
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if (imp < 1 || imp > 10)
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return imp;
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if (items[imp - 1])
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[items[imp - 1] select];
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return 0;
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}
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- (string) text
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{
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local string str = text;
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local string s;
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local integer i;
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local string [10] is;
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local integer max_len = 0, len;
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for (i = 0; i < 10; i++) {
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if (!items[i])
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break;
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is[i] = [items[i] text];
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len = strlen(is[i]);
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if (len > max_len)
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max_len = len;
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}
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for (i = 0; i < 10; i++) {
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if (!items[i])
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break;
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s = is[i];
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if (s)
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str = sprintf (sprintf ("%%s\n[%%i] %%-%ds", max_len),
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str, (i + 1) % 10, s);
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else
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str = sprintf ("%s\n", str);
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}
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return str;
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}
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- (void) addItem:(MenuItem) item
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{
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local integer i;
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for (i = 0; i < 10; i++) {
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if (!items[i]) {
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items[i] = item;
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break;
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}
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}
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}
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@end
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