Added LED Brightness Slider

CaseLights/AppDelegate.h

 @property (weak) IBOutlet NSMenu *menuPorts;
 
 @property (weak) IBOutlet NSMenuItem *buttonOff;
+@property (weak) IBOutlet NSMenuItem *brightnessItem;
+@property (weak) IBOutlet NSSlider *brightnessSlider;
+@property (weak) IBOutlet NSMenuItem *brightnessLabel;
 @property (weak) IBOutlet NSMenuItem *buttonLights;
 
 @end

CaseLights/AppDelegate.m

 #define PREF_SERIAL_PORT @"SerialPort"
 #define PREF_LIGHTS_STATE @"LightState"
 #define PREF_LED_MODE @"LEDMode"
+#define PREF_BRIGHTNESS @"Brightness"
 
 #define TEXT_CPU_USAGE @"CPU Usage"
 #define TEXT_RAM_USAGE @"RAM Usage"
 @synthesize statusMenu, application;
 @synthesize menuColors, menuAnimations, menuVisualizations, menuPorts;
 @synthesize buttonOff, buttonLights;
+@synthesize brightnessItem, brightnessSlider, brightnessLabel;
 @synthesize statusItem, statusImage;
 @synthesize staticColors, animation;
 @synthesize serial, lastLEDMode;
     NSMutableDictionary *appDefaults = [NSMutableDictionary dictionaryWithObject:@"" forKey:PREF_SERIAL_PORT];
     [appDefaults setObject:[NSNumber numberWithBool:NO] forKey:PREF_LIGHTS_STATE];
     [appDefaults setObject:@"" forKey:PREF_LED_MODE];
+    [appDefaults setObject:[NSNumber numberWithFloat:50.0] forKey:PREF_BRIGHTNESS];
     [store registerDefaults:appDefaults];
     [store synchronize];
     NSString *savedPort = [store stringForKey:PREF_SERIAL_PORT];
     BOOL turnOnLights = [store boolForKey:PREF_LIGHTS_STATE];
     NSString *lastMode = [store stringForKey:PREF_LED_MODE];
+    float brightness = [store floatForKey:PREF_BRIGHTNESS];
+    
+    // Prepare brightness menu
+    brightnessItem.view = brightnessSlider;
+    [brightnessSlider setFloatValue:brightness];
+    [brightnessLabel setTitle:[NSString stringWithFormat:@"Value: %.0f%%", brightness]];
     
     // Prepare serial port menu
     NSArray *ports = [Serial listSerialPorts];
         [serial closePort];
     }
 }
+
+- (void)setLightsR:(unsigned char)r G:(unsigned char)g B:(unsigned char)b {
+    if ([serial isOpen]) {
+        unsigned char red = r * ([brightnessSlider floatValue] / 100.0);
+        unsigned char green = g * ([brightnessSlider floatValue] / 100.0);
+        unsigned char blue = b * ([brightnessSlider floatValue] / 100.0);
+        [serial sendString:[NSString stringWithFormat:@"RGB %d %d %d\n", red, green, blue]];
+    } else {
+#ifdef DEBUG
+        NSLog(@"Trying to send RGB without opened port!\n");
+#endif
+    }
+}
+
 - (IBAction)relistSerialPorts:(id)sender {
     // Refill port list
     NSArray *ports = [Serial listSerialPorts];
     }
 }
 
+- (IBAction)brightnessMoved:(NSSlider *)sender {
+    [brightnessLabel setTitle:[NSString stringWithFormat:@"Value: %.0f%%", [sender floatValue]]];
+    
+    // Store changed value in preferences
+    NSUserDefaults *store = [NSUserDefaults standardUserDefaults];
+    [store setObject:[NSNumber numberWithFloat:[sender floatValue]] forKey:PREF_BRIGHTNESS];
+    [store synchronize];
+}
+
 - (IBAction)turnLEDsOff:(NSMenuItem *)sender {
     if ([sender state] == NSOffState) {
         lastLEDMode = nil;
 #endif
         
         // Send command to turn off LEDs
-        if ([serial isOpen]) {
-            [serial sendString:@"RGB 0 0 0\n"];
-        }
+        [self setLightsR:0 G:0 B:0];
     } else {
         // Try to restore last LED setting
         if (lastLEDMode != nil) {
         
         unsigned char r, g, b;
         [self convertH:h S:1.0 V:1.0 toR:&r G:&g B:&b];
-        
-        if ([serial isOpen]) {
-            [serial sendString:[NSString stringWithFormat:@"RGB %d %d %d\n", r, g, b]];
-        }
+        [self setLightsR:r G:g B:b];
     }
 }
 
         
         unsigned char r, g, b;
         [self convertH:h S:1.0 V:1.0 toR:&r G:&g B:&b];
-        
-        if ([serial isOpen]) {
-            [serial sendString:[NSString stringWithFormat:@"RGB %d %d %d\n", r, g, b]];
-        }
+        [self setLightsR:r G:g B:b];
     }
 }
 
     
     unsigned char r, g, b;
     [self convertH:h S:1.0 V:1.0 toR:&r G:&g B:&b];
-    
-    if ([serial isOpen]) {
-        [serial sendString:[NSString stringWithFormat:@"RGB %d %d %d\n", r, g, b]];
-    }
+    [self setLightsR:r G:g B:b];
 }
 
 - (void)visualizeRAMUsage:(NSTimer *)timer {
     
     unsigned char r, g, b;
     [self convertH:h S:1.0 V:1.0 toR:&r G:&g B:&b];
-    
-    if ([serial isOpen]) {
-        [serial sendString:[NSString stringWithFormat:@"RGB %d %d %d\n", r, g, b]];
-    }
+    [self setLightsR:r G:g B:b];
 }
 
 - (void)visualizeGPUTemperature:(NSTimer *)timer {
     
     unsigned char r, g, b;
     [self convertH:h S:1.0 V:1.0 toR:&r G:&g B:&b];
-    
-    if ([serial isOpen]) {
-        [serial sendString:[NSString stringWithFormat:@"RGB %d %d %d\n", r, g, b]];
-    }
+    [self setLightsR:r G:g B:b];
 }
 
 - (void)visualizeCPUTemperature:(NSTimer *)timer {
     
     unsigned char r, g, b;
     [self convertH:h S:1.0 V:1.0 toR:&r G:&g B:&b];
-    
-    if ([serial isOpen]) {
-        [serial sendString:[NSString stringWithFormat:@"RGB %d %d %d\n", r, g, b]];
-    }
+    [self setLightsR:r G:g B:b];
 }
 
 - (void)visualizeRGBFade:(NSTimer *)timer {
     } else {
         dec = 0;
     }
-    
-    if ([serial isOpen]) {
-        [serial sendString:[NSString stringWithFormat:@"RGB %d %d %d\n", color[0], color[1], color[2]]];
-    }
+    [self setLightsR:color[0] G:color[1] B:color[2]];
 }
 
 - (void)visualizeHSVFade:(NSTimer *)timer {
     static float h = 0.0;
     
-    if (h < 360.0) {
+    if (h < 359.0) {
         h += 0.5;
     } else {
         h = 0.0;
     
     unsigned char r, g, b;
     [self convertH:h S:1.0 V:1.0 toR:&r G:&g B:&b];
-    
-    if ([serial isOpen]) {
-        [serial sendString:[NSString stringWithFormat:@"RGB %d %d %d\n", r, g, b]];
-    }
+    [self setLightsR:r G:g B:b];
 }
 
 - (void)visualizeRandom:(NSTimer *)timer {
-    if ([serial isOpen]) {
-        [serial sendString:[NSString stringWithFormat:@"RGB %d %d %d\n", rand() % 256, rand() % 256, rand() % 256]];
-    }
+    [self setLightsR:rand() % 256 G:rand() % 256 B:rand() % 256];
 }
 
 - (BOOL)timedVisualization:(NSString *)mode {
                 unsigned char red = [color redComponent] * 255;
                 unsigned char green = [color greenComponent] * 255;
                 unsigned char blue = [color blueComponent] * 255;
-                NSString *string = [NSString stringWithFormat:@"RGB %d %d %d\n", red, green, blue];
-                
-                if ([serial isOpen]) {
-                    [serial sendString:string];
-                }
+                [self setLightsR:red G:green B:blue];
                 
                 break;
             }

CaseLights/Base.lproj/MainMenu.xib

         <customObject id="Voe-Tx-rLC" customClass="AppDelegate">
             <connections>
                 <outlet property="application" destination="-3" id="3TG-JL-HaQ"/>
+                <outlet property="brightnessItem" destination="MYl-J7-okP" id="pON-9W-gMG"/>
+                <outlet property="brightnessLabel" destination="jtw-ZC-4zA" id="Inv-ur-QX5"/>
+                <outlet property="brightnessSlider" destination="axk-la-AqI" id="J4R-Mw-KN7"/>
                 <outlet property="buttonLights" destination="tLQ-BA-kGu" id="FZv-Ju-l7n"/>
                 <outlet property="buttonOff" destination="gT4-tm-Hvn" id="EEv-lf-Qo7"/>
                 <outlet property="menuAnimations" destination="FJm-ND-abA" id="iGI-Hg-tms"/>
                         <action selector="turnLEDsOff:" target="Voe-Tx-rLC" id="FQw-v8-IbT"/>
                     </connections>
                 </menuItem>
+                <menuItem title="Brightness" id="Oh0-1U-yDg">
+                    <modifierMask key="keyEquivalentModifierMask"/>
+                    <menu key="submenu" title="Brightness" id="jRu-sM-3xB">
+                        <items>
+                            <menuItem title="Item" id="MYl-J7-okP">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                            </menuItem>
+                            <menuItem title="Value: 50%" enabled="NO" id="jtw-ZC-4zA">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                            </menuItem>
+                        </items>
+                    </menu>
+                </menuItem>
                 <menuItem isSeparatorItem="YES" id="umI-9c-ZzN"/>
                 <menuItem title="Toggle Lights" keyEquivalent="w" id="tLQ-BA-kGu">
                     <connections>
             </items>
             <point key="canvasLocation" x="368" y="324.5"/>
         </menu>
+        <slider verticalHuggingPriority="750" id="axk-la-AqI">
+            <rect key="frame" x="0.0" y="0.0" width="129" height="30"/>
+            <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
+            <sliderCell key="cell" alignment="left" maxValue="100" doubleValue="50" tickMarkPosition="below" numberOfTickMarks="11" sliderType="linear" id="IRQ-g4-OAA"/>
+            <connections>
+                <action selector="brightnessMoved:" target="Voe-Tx-rLC" id="Wxj-Xc-ZtT"/>
+            </connections>
+            <point key="canvasLocation" x="370.5" y="496.5"/>
+        </slider>
     </objects>
 </document>

CaseLights/Info.plist

 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>
-	<string>106</string>
+	<string>114</string>
 	<key>LSApplicationCategoryType</key>
 	<string>public.app-category.utilities</string>
 	<key>LSMinimumSystemVersion</key>