--- /dev/null
+//
+// NJKeyInputField.h
+// Enjoyable
+//
+// Copyright 2013 Joe Wreschnig.
+//
+
+#import "NJKeyInputField.h"
+
+CGKeyCode NJKeyInputFieldEmpty = 0xFFFF;
+
+@implementation NJKeyInputField
+
+- (id)initWithFrame:(NSRect)frameRect {
+ if ((self = [super initWithFrame:frameRect])) {
+ self.alignment = NSCenterTextAlignment;
+ [self setEditable:NO];
+ [self setSelectable:NO];
+ }
+ return self;
+}
+
+- (void)clear {
+ self.keyCode = NJKeyInputFieldEmpty;
+ [self.keyDelegate keyInputFieldDidClear:self];
+ [self resignIfFirstResponder];
+}
+
+- (BOOL)hasKeyCode {
+ return self.keyCode >= 0;
+}
+
++ (NSString *)stringForKeyCode:(CGKeyCode)keyCode {
+ switch (keyCode) {
+ case 0xffff: return @"";
+ case 0x7a: return @"F1";
+ case 0x78: return @"F2";
+ case 0x63: return @"F3";
+ case 0x76: return @"F4";
+ case 0x60: return @"F5";
+ case 0x61: return @"F6";
+ case 0x62: return @"F7";
+ case 0x64: return @"F8";
+ case 0x65: return @"F9";
+ case 0x6d: return @"F10";
+ case 0x67: return @"F11";
+ case 0x6f: return @"F12";
+ case 0x69: return @"F13";
+ case 0x6b: return @"F14";
+ case 0x71: return @"F15";
+ case 0x6a: return @"F16";
+ case 0x40: return @"F17";
+ case 0x4f: return @"F18";
+ case 0x50: return @"F19";
+
+ case 0x35: return @"Esc";
+ case 0x32: return @"`";
+
+ case 0x12: return @"1";
+ case 0x13: return @"2";
+ case 0x14: return @"3";
+ case 0x15: return @"4";
+ case 0x17: return @"5";
+ case 0x16: return @"6";
+ case 0x1a: return @"7";
+ case 0x1c: return @"8";
+ case 0x19: return @"9";
+ case 0x1d: return @"0";
+ case 0x1b: return @"-";
+ case 0x18: return @"=";
+
+ case 0x3f: return @"Fn";
+ case 0x36: return @"Right Command";
+ case 0x37: return @"Left Command";
+ case 0x38: return @"Left Shift";
+ case 0x39: return @"Caps Lock";
+ case 0x3a: return @"Left Option";
+ case 0x3b: return @"Left Control";
+ case 0x3c: return @"Right Shift";
+ case 0x3d: return @"Right Option";
+ case 0x3e: return @"Right Control";
+
+ case 0x73: return @"Home";
+ case 0x74: return @"Page Up";
+ case 0x75: return @"Delete";
+ case 0x77: return @"End";
+ case 0x79: return @"Page Down";
+
+ case 0x30: return @"Tab";
+ case 0x33: return @"Backspace";
+ case 0x24: return @"Return";
+ case 0x31: return @"Space";
+
+ case 0x0c: return @"Q";
+ case 0x0d: return @"W";
+ case 0x0e: return @"E";
+ case 0x0f: return @"R";
+ case 0x11: return @"T";
+ case 0x10: return @"Y";
+ case 0x20: return @"U";
+ case 0x22: return @"I";
+ case 0x1f: return @"O";
+ case 0x23: return @"P";
+ case 0x21: return @"[";
+ case 0x1e: return @"]";
+ case 0x2a: return @"\\";
+ case 0x00: return @"A";
+ case 0x01: return @"S";
+ case 0x02: return @"D";
+ case 0x03: return @"F";
+ case 0x05: return @"G";
+ case 0x04: return @"H";
+ case 0x26: return @"J";
+ case 0x28: return @"K";
+ case 0x25: return @"L";
+ case 0x29: return @";";
+ case 0x27: return @"'";
+ case 0x06: return @"Z";
+ case 0x07: return @"X";
+ case 0x08: return @"C";
+ case 0x09: return @"V";
+ case 0x0b: return @"B";
+ case 0x2d: return @"N";
+ case 0x2e: return @"M";
+ case 0x2b: return @",";
+ case 0x2f: return @".";
+ case 0x2c: return @"/";
+
+ case 0x47: return @"Clear";
+ case 0x51: return @"Keypad =";
+ case 0x4b: return @"Keypad /";
+ case 0x43: return @"Keypad *";
+ case 0x59: return @"Keypad 7";
+ case 0x5b: return @"Keypad 8";
+ case 0x5c: return @"Keypad 9";
+ case 0x4e: return @"Keypad -";
+ case 0x56: return @"Keypad 4";
+ case 0x57: return @"Keypad 5";
+ case 0x58: return @"Keypad 6";
+ case 0x45: return @"Keypad +";
+ case 0x53: return @"Keypad 1";
+ case 0x54: return @"Keypad 2";
+ case 0x55: return @"Keypad 3";
+ case 0x52: return @"Keypad 0";
+ case 0x41: return @"Keypad .";
+ case 0x4c: return @"Enter";
+
+ case 0x7e: return @"Up";
+ case 0x7d: return @"Down";
+ case 0x7b: return @"Left";
+ case 0x7c: return @"Right";
+ default:
+ return [[NSString alloc] initWithFormat:@"Key 0x%x", keyCode];
+ }
+}
+
+- (BOOL)acceptsFirstResponder {
+ return self.isEnabled;
+}
+
+- (BOOL)becomeFirstResponder {
+ self.backgroundColor = NSColor.selectedTextBackgroundColor;
+ return [super becomeFirstResponder];
+}
+
+- (BOOL)resignFirstResponder {
+ self.backgroundColor = NSColor.textBackgroundColor;
+ return [super resignFirstResponder];
+}
+
+- (void)setKeyCode:(CGKeyCode)keyCode {
+ _keyCode = keyCode;
+ self.stringValue = [NJKeyInputField stringForKeyCode:keyCode];
+}
+
+- (void)keyDown:(NSEvent *)theEvent {
+ if (!theEvent.isARepeat) {
+ if ((theEvent.modifierFlags & NSAlternateKeyMask)
+ && theEvent.keyCode == 0x35) {
+ // Allow Alt+Escape to clear the field.
+ self.keyCode = NJKeyInputFieldEmpty;
+ [self.keyDelegate keyInputFieldDidClear:self];
+ } else {
+ self.keyCode = theEvent.keyCode;
+ [self.keyDelegate keyInputField:self didChangeKey:_keyCode];
+ }
+ [self resignIfFirstResponder];
+ }
+}
+
+- (void)mouseDown:(NSEvent *)theEvent {
+ if (self.acceptsFirstResponder)
+ [self.window makeFirstResponder:self];
+}
+
+- (void)flagsChanged:(NSEvent *)theEvent {
+ // Many keys are only available on MacBook keyboards by using the
+ // Fn modifier key (e.g. Fn+Left for Home), so delay processing
+ // modifiers until the up event is received in order to let the
+ // user type these virtual keys. However, there is no actual event
+ // for modifier key up - so detect it by checking to see if any
+ // modifiers are still down.
+ if (!(theEvent.modifierFlags & NSDeviceIndependentModifierFlagsMask)) {
+ self.keyCode = theEvent.keyCode;
+ [self.keyDelegate keyInputField:self didChangeKey:_keyCode];
+ }
+}
+
+@end
projects / enjoyable.git / blobdiff