Add frame color/gloss to the default profiles

Lets you turn off the bright reflections.

app/qml/SettingsWindow.qml

@@ -30,7 +30,6 @@ Window {
     width: 640
     height: 640
 
-    color: palette.window
     property int tabmargins: 15
 
     Item {

app/qml/ShaderTerminal.qml

@@ -247,17 +247,6 @@ Item {
              "  return outColor;
              }" +
 
-             //pseudo-random vector
-             //https://stackoverflow.com/a/10625698
-             "float random( vec2 p )
-             {
-                 vec2 K1 = vec2(
-                     23.14069263277926, // e^pi (Gelfond's constant)
-                     2.665144142690225 // 2^sqrt(2) (Gelfond-Schneider constant)
-                 );
-                 return fract( cos( dot(p,K1) ) * 12345.6789 );
-             }" +
-
              "void main() {" +
                  "vec2 cc = vec2(0.5) - qt_TexCoord0;" +
                  "float distance = length(cc);" +
@@ -296,11 +285,7 @@ Item {
                  : "") +
 
                  (jitter !== 0 || staticNoise !== 0 ?
-                 "vec4 noiseTexel = texture2D(
-                     noiseSource, scaleNoiseSize * coords
-                     + vec2(0.0, random(vec2(fract(time / 237.0), 822.9582)))
-                     + vec2(fract(time / 31.0), fract(time / 177.0))
-                 );"
+                     "vec4 noiseTexel = texture2D(noiseSource, scaleNoiseSize * coords + vec2(fract(time / 51.0), fract(time / 237.0)));"
                  : "") +
 
                  (jitter !== 0 ? "

app/qml/TerminalFrame.qml

@@ -87,7 +87,7 @@ ShaderEffect {
             float alpha = 0.0;
 
             float frameShadow = max2(positiveLog(-coords * frameShadowCoeff + vec2(1.0)) + positiveLog(coords * frameShadowCoeff - (vec2(frameShadowCoeff) - vec2(1.0))));
-            frameShadow = clamp(sqrt(frameShadow), 0.0, 1.0);
+            frameShadow = max(sqrt(frameShadow), 0.0);
             color *= frameShadow;
             alpha = sum2(1.0 - step(vec2(0.0), coords) + step(vec2(1.0), coords));
             alpha = clamp(alpha, 0.0, 1.0);