project file allow installation in another dir than "/usr"

E.g. this way I can build and install in "~/.local", or "/usr/local".

app/app.pro

@@ -19,20 +19,26 @@ RESOURCES += qml/resources.qrc
 ##              INSTALLS
 #########################################
 
-target.path += /usr/bin/
+PREFIX = $$(PREFIX) # Pass the make install PREFIX via environment variable. E.g. "PREFIX=/path/to/my/dir qmake".
+isEmpty(PREFIX) {
+    message(No prefix given. Using /usr.)
+    PREFIX=/usr
+}
+
+target.path = $$PREFIX/bin
 
 INSTALLS += target
 
 # Install icons
 unix {
     icon32.files = icons/32x32/cool-retro-term.png
-    icon32.path = /usr/share/icons/hicolor/32x32/apps
+    icon32.path = $$PREFIX/share/icons/hicolor/32x32/apps
     icon64.files = icons/64x64/cool-retro-term.png
-    icon64.path = /usr/share/icons/hicolor/64x64/apps
+    icon64.path = $$PREFIX/share/icons/hicolor/64x64/apps
     icon128.files = icons/128x128/cool-retro-term.png
-    icon128.path = /usr/share/icons/hicolor/128x128/apps
+    icon128.path = $$PREFIX/share/icons/hicolor/128x128/apps
     icon256.files = icons/256x256/cool-retro-term.png
-    icon256.path = /usr/share/icons/hicolor/256x256/apps
+    icon256.path = $$PREFIX/share/icons/hicolor/256x256/apps
 
     INSTALLS += icon32 icon64 icon128 icon256
 }

app/qml/ApplicationSettings.qml

@@ -71,6 +71,7 @@ QtObject {
 
     property string _backgroundColor: "#000000"
     property string _fontColor: "#ff8100"
+    property string _frameColor: "#ffffff"
     property string saturatedColor: Utils.mix(Utils.strToColor("#FFFFFF"),
                                               Utils.strToColor(_fontColor),
                                               saturationColor * 0.5)
@@ -81,6 +82,7 @@ QtObject {
                                                   _backgroundColor),
                                               Utils.strToColor(saturatedColor),
                                               0.7 + (contrast * 0.3))
+    property color frameColor: Utils.strToColor(_frameColor)
 
     property real staticNoise: 0.12
     property real screenCurvature: 0.3
@@ -90,6 +92,7 @@ QtObject {
 
     property real chromaColor: 0.25
     property real saturationColor: 0.25
+    property real frameGloss: 0
 
     property real jitter: 0.2
 
@@ -251,11 +254,13 @@ QtObject {
         var settings = {
             "backgroundColor": _backgroundColor,
             "fontColor": _fontColor,
+            "frameColor": _frameColor,
             "flickering": flickering,
             "horizontalSync": horizontalSync,
             "staticNoise": staticNoise,
             "chromaColor": chromaColor,
             "saturationColor": saturationColor,
+            "frameGloss": frameGloss,
             "screenCurvature": screenCurvature,
             "glowingLine": glowingLine,
             "burnIn": burnIn,
@@ -345,6 +350,7 @@ QtObject {
         _backgroundColor = settings.backgroundColor
                 !== undefined ? settings.backgroundColor : _backgroundColor
         _fontColor = settings.fontColor !== undefined ? settings.fontColor : _fontColor
+        _frameColor = settings.frameColor !== undefined ? settings.frameColor : _frameColor
 
         horizontalSync = settings.horizontalSync
                 !== undefined ? settings.horizontalSync : horizontalSync
@@ -353,6 +359,7 @@ QtObject {
         chromaColor = settings.chromaColor !== undefined ? settings.chromaColor : chromaColor
         saturationColor = settings.saturationColor
                 !== undefined ? settings.saturationColor : saturationColor
+        frameGloss = settings.frameGloss !== undefined ? settings.frameGloss : frameGloss
         screenCurvature = settings.screenCurvature
                 !== undefined ? settings.screenCurvature : screenCurvature
         glowingLine = settings.glowingLine !== undefined ? settings.glowingLine : glowingLine
@@ -459,6 +466,8 @@ QtObject {
                 "rbgShift": 0,
                 "saturationColor": 0.2483,
                 "screenCurvature": 0.3,
+                "frameColor": "#ffffff",
+                "frameGloss": 0,
                 "staticNoise": 0.1198,
                 "windowOpacity": 1,
                 "margin": 0.5,
@@ -488,6 +497,8 @@ QtObject {
                 "rbgShift": 0,
                 "saturationColor": 0.0,
                 "screenCurvature": 0.3,
+                "frameColor": "#ffffff",
+                "frameGloss": 0,
                 "staticNoise": 0.1198,
                 "windowOpacity": 1,
                 "margin": 0.5,
@@ -517,6 +528,8 @@ QtObject {
                 "rbgShift": 0,
                 "saturationColor": 0.5,
                 "screenCurvature": 0.3,
+                "frameColor": "#ffffff",
+                "frameGloss": 0,
                 "staticNoise": 0.15,
                 "windowOpacity": 1,
                 "margin": 0.5,
@@ -546,6 +559,8 @@ QtObject {
                 "rbgShift": 0,
                 "saturationColor": 0,
                 "screenCurvature": 0,
+                "frameColor": "#ffffff",
+                "frameGloss": 0,
                 "staticNoise": 0.15,
                 "windowOpacity": 1,
                 "margin": 0.5,
@@ -575,6 +590,8 @@ QtObject {
                 "rbgShift": 0,
                 "saturationColor": 0,
                 "screenCurvature": 0.5,
+                "frameColor": "#ffffff",
+                "frameGloss": 0,
                 "staticNoise": 0.099,
                 "windowOpacity": 1,
                 "margin": 0.5,
@@ -604,6 +621,8 @@ QtObject {
                 "rbgShift": 0.2969,
                 "saturationColor": 0,
                 "screenCurvature": 0.5,
+                "frameColor": "#ffffff",
+                "frameGloss": 0,
                 "staticNoise": 0.2969,
                 "windowOpacity": 1,
                 "margin": 0.5,
@@ -633,6 +652,8 @@ QtObject {
                 "rbgShift": 0.3524,
                 "saturationColor": 0,
                 "screenCurvature": 0.4,
+                "frameColor": "#ffffff",
+                "frameGloss": 0,
                 "staticNoise": 0.0503,
                 "windowOpacity": 1,
                 "margin": 0.5,
@@ -662,6 +683,8 @@ QtObject {
                 "rbgShift": 0,
                 "saturationColor": 0,
                 "screenCurvature": 0.2,
+                "frameColor": "#ffffff",
+                "frameGloss": 0,
                 "staticNoise": 0,
                 "windowOpacity": 1,
                 "margin": 0.5,
@@ -691,6 +714,8 @@ QtObject {
                 "rbgShift": 0,
                 "saturationColor": 0.4983,
                 "screenCurvature": 0,
+                "frameColor": "#ffffff",
+                "frameGloss": 0,
                 "staticNoise": 0.0955,
                 "windowOpacity": 0.7,
                 "margin": 0.1,

app/qml/SettingsTerminalTab.qml

@@ -149,6 +149,11 @@ ColumnLayout {
                     value: appSettings.saturationColor
                     enabled: appSettings.chromaColor !== 0
                 }
+                CheckableSlider {
+                    name: qsTr("Frame Gloss")
+                    onNewValue: appSettings.frameGloss = newValue
+                    value: appSettings.frameGloss
+                }
             }
             RowLayout {
                 Layout.fillWidth: true
@@ -166,6 +171,13 @@ ColumnLayout {
                     onColorSelected: appSettings._backgroundColor = color
                     color: appSettings._backgroundColor
                 }
+                ColorButton {
+                    name: qsTr("Frame")
+                    height: 50
+                    Layout.fillWidth: true
+                    onColorSelected: appSettings._frameColor = color
+                    color: appSettings._frameColor
+                }
             }
         }
     }

app/qml/ShaderTerminal.qml

@@ -37,6 +37,8 @@ Item {
 
     property real ambientLight: appSettings.ambientLight * 0.2
 
+    property real frameGloss: appSettings.frameGloss
+
     property size virtualResolution
     property size screenResolution
 
@@ -59,6 +61,7 @@ Item {
          property real screenCurvature: parent.screenCurvature
          property real chromaColor: parent.chromaColor
          property real ambientLight: parent.ambientLight
+         property real frameGloss: parent.frameGloss
 
          property real flickering: appSettings.flickering
          property real horizontalSync: appSettings.horizontalSync
@@ -172,6 +175,7 @@ Item {
              uniform highp vec4 fontColor;
              uniform highp vec4 backgroundColor;
              uniform lowp float shadowLength;
+             uniform lowp float frameGloss;
 
              uniform highp vec2 virtualResolution;
              uniform lowp float rasterizationIntensity;\n" +
@@ -243,6 +247,17 @@ 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);" +
@@ -281,7 +296,11 @@ Item {
                  : "") +
 
                  (jitter !== 0 || staticNoise !== 0 ?
-                     "vec4 noiseTexel = texture2D(noiseSource, scaleNoiseSize * coords + vec2(fract(time / 51.0), fract(time / 237.0)));"
+                 "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))
+                 );"
                  : "") +
 
                  (jitter !== 0 ? "
@@ -321,7 +340,7 @@ Item {
 
                  (displayTerminalFrame ?
                     "vec4 frameColor = texture2D(frameSource, qt_TexCoord0);
-                     finalColor = mix(finalColor, frameColor.rgb, frameColor.a);"
+                     finalColor = mix(finalColor, frameColor.rgb + (finalColor*frameGloss), frameColor.a);"
                  : "") +
 
                  "gl_FragColor = vec4(finalColor, qt_Opacity);" +

app/qml/TerminalFrame.qml

@@ -22,13 +22,13 @@ import QtQuick 2.0
 import "utils.js" as Utils
 
 ShaderEffect {
-    property color _staticFrameColor: "#fff"
+    property color _frameColor: appSettings.frameColor
     property color _backgroundColor: appSettings.backgroundColor
     property color _fontColor: appSettings.fontColor
     property color _lightColor: Utils.mix(_fontColor, _backgroundColor, 0.2)
     property real _ambientLight: Utils.lint(0.2, 0.8, appSettings.ambientLight)
 
-    property color frameColor: Utils.mix(_staticFrameColor, _lightColor, _ambientLight)
+    property color frameColor: Utils.mix(_frameColor, _lightColor, _ambientLight)
     property real screenCurvature: appSettings.screenCurvature * appSettings.screenCurvatureSize
 
     // Coefficient of the log curve used to approximate shadowing

cool-retro-term.pro

@@ -5,7 +5,17 @@ CONFIG += ordered
 SUBDIRS += qmltermwidget
 SUBDIRS += app
 
+#########################################
+##              INSTALLS
+#########################################
+
+PREFIX = $$(PREFIX) # Pass the make install PREFIX via environment variable. E.g. "PREFIX=/path/to/my/dir qmake".
+isEmpty(PREFIX) {
+    message(No prefix given. Using /usr.)
+    PREFIX=/usr
+}
+
 desktop.files += cool-retro-term.desktop
-desktop.path += /usr/share/applications
+desktop.path += $$PREFIX/share/applications
 
 INSTALLS += desktop