It is now possible to change the font, but the window gets reloaded.

cool-old-term.pro

@@ -47,4 +47,5 @@ OTHER_FILES += \
     qml/cool-old-term/frames/images/black-frame.png \
     qml/cool-old-term/frames/images/black-frame-normals.png \
     qml/cool-old-term/frames/NoFrame.qml \
-    qml/cool-old-term/MainContainer.qml
+    qml/cool-old-term/MainContainer.qml \
+    qml/cool-old-term/TerminalWindow.qml

qml/cool-old-term/ShaderSettings.qml

@@ -22,6 +22,11 @@ Item{
     property int font_index: 2
     property var fonts_list: fontlist
 
+    onFont_indexChanged: {
+        terminalwindowloader.source = "";
+        terminalwindowloader.source = "TerminalWindow.qml";
+    }
+
     FontLoader{
         property int pixelSize: fontlist.get(font_index).pixelSize
         id: currentfont

qml/cool-old-term/TerminalWindow.qml

@@ -0,0 +1,224 @@
+import QtQuick 2.1
+import QtQuick.Window 2.0
+import QtQuick.Controls 1.0
+import QtGraphicalEffects 1.0
+
+
+ApplicationWindow{
+    id: terminalWindow
+    width: 1024
+    height: 768
+
+    title: qsTr("Terminal")
+
+    menuBar: MenuBar {
+        id: menubar
+        Menu {
+            title: qsTr("File")
+            MenuItem { text: "Close"; onTriggered: terminalWindow.close()}
+        }
+        Menu {
+            title: qsTr("Edit")
+            MenuItem {
+                text: qsTr("Settings")
+                onTriggered: {
+                    var component = Qt.createComponent("SettingsWindow.qml");
+                    component.createObject(terminalWindow);
+                }
+            }
+        }
+
+
+    }
+
+    visible: true
+
+    Item{
+        id: maincontainer
+        anchors.fill: parent
+        anchors.top: menuBar.bottom
+        clip: true
+
+        ShaderEffectSource{
+            id: theSource
+            sourceItem: terminal
+            sourceRect: frame.sourceRect
+        }
+
+        ShaderEffect {
+            id: shadercontainer
+            anchors.fill: terminal
+            blending: true
+            z: 1.9
+            property color font_color: shadersettings.font_color
+            property color background_color: shadersettings.background_color
+            property variant source: theSource
+            property size txt_Size: Qt.size(terminal.width, terminal.height)
+            property real time: 0
+
+            property real noise_strength: shadersettings.noise_strength
+            property real screen_distorsion: shadersettings.screen_distortion
+            property real glowing_line_strength: shadersettings.glowing_line_strength
+            property real brightness: 1.0
+
+            property real scanlines: shadersettings.scanlines ? 1.0 : 0.0
+
+            Behavior on brightness {
+                NumberAnimation{
+                    duration: 250
+                    onRunningChanged:
+                        if(!running) shadercontainer.brightness = 1.0;
+                }
+            }
+
+            Behavior on horizontal_distortion {
+                NumberAnimation{
+                    duration: 150
+                    onRunningChanged:
+                        if(!running) shadercontainer.horizontal_distortion = 0.0;
+                }
+            }
+
+            Loader{
+                active: shadersettings.screen_flickering != 0
+                sourceComponent: Timer{
+                    property real randval
+                    id: flickertimer
+                    interval: 500
+                    onTriggered: {
+                        randval = Math.random();
+                        if(randval < shadersettings.screen_flickering){
+                            shadercontainer.horizontal_distortion = Math.random() * shadersettings.screen_flickering;
+                        }
+                        randval = Math.random();
+                        if(randval < shadersettings.screen_flickering)
+                            shadercontainer.brightness = Math.random() * 0.5 + 0.5;
+                    }
+
+                    repeat: true
+                    running: true
+                }
+            }
+
+            property real deltay: 3 / terminal.height
+            property real deltax: 3 / terminal.width
+            property real horizontal_distortion: 0.0
+            //property real faulty_screen_prob: shadersettings.faulty_screen_prob
+
+            NumberAnimation on time{
+                from: -1
+                to: 100
+                duration: 5000
+
+                loops: Animation.Infinite
+            }
+
+            fragmentShader: "
+                    uniform sampler2D source;
+                    uniform highp float qt_Opacity;
+                    uniform highp float time;
+                    uniform highp vec2 txt_Size;
+                    varying highp vec2 qt_TexCoord0;
+
+                    uniform highp vec4 font_color;
+                    uniform highp vec4 background_color;
+
+                    uniform highp float noise_strength;
+                    uniform highp float screen_distorsion;
+                    uniform highp float glowing_line_strength;
+                    uniform highp float brightness;
+
+                    uniform highp float deltax;
+                    uniform highp float deltay;
+
+                    uniform highp float scanlines;
+
+                    uniform highp float horizontal_distortion;
+
+                    float rand(vec2 co, float time){
+                        return fract(sin(dot(co.xy ,vec2(0.37898 * time ,0.78233))) * 437.5875453);
+                    }
+
+                    float stepNoise(vec2 p){
+                        vec2 newP = p * txt_Size*0.25;
+                        return rand(floor(newP), time);
+                    }
+
+                    float getScanlineIntensity(vec2 pos){
+                        return abs(sin(pos.y * txt_Size.y)) * 0.5;
+                    }
+
+                    vec2 distortCoordinates(vec2 coords){
+                        vec2 cc = coords - vec2(0.5);
+                        float dist = dot(cc, cc) * screen_distorsion ;
+                        return (coords + cc * (1.0 + dist) * dist);
+                    }
+
+                    float randomPass(vec2 coords){
+                        return fract(smoothstep(-0.2, 0.0, coords.y - time * 0.03)) * glowing_line_strength;
+                    }
+
+                    vec4 blurredColor(sampler2D source, vec2 coords){
+                        vec4 sum = vec4(0.0);
+                        sum += texture2D(source, coords - vec2(-deltax, -deltay)) * 0.11;
+                        sum += texture2D(source, coords - vec2(-deltax, 0.0)) * 0.11;
+                        sum += texture2D(source, coords - vec2(-deltax, +deltay)) * 0.11;
+                        sum += texture2D(source, coords - vec2(0.0, -deltay)) * 0.11;
+                        sum += texture2D(source, coords - vec2(0.0, 0.0)) * 0.11;
+                        sum += texture2D(source, coords - vec2(0.0, +deltay)) * 0.11;
+                        sum += texture2D(source, coords - vec2(+deltax, -deltay)) * 0.11;
+                        sum += texture2D(source, coords - vec2(+deltax, 0.0)) * 0.11;
+                        sum += texture2D(source, coords - vec2(+deltax, +deltay)) * 0.11;
+                        return sum;
+                    }
+
+                    void main() {
+                        vec2 coords = distortCoordinates(qt_TexCoord0);
+
+                        //TODO This formula could be improved
+                        float distortion = (sin(coords.y * 20.0 * fract(time * 0.1) + sin(fract(time * 0.2))) + sin(time * 0.05));
+                        coords.x = coords.x + distortion * 0.3 * horizontal_distortion;
+
+                        float color = (blurredColor(source, coords).r + texture2D(source, coords).r) * 0.5;
+                        float scanline_alpha = getScanlineIntensity(coords) * scanlines;
+                        float noise = stepNoise(coords) * noise_strength;
+                        float randomPass = randomPass(coords) * glowing_line_strength;
+                        color += noise + randomPass;
+                        vec3 finalColor = mix(background_color, font_color, color).rgb;
+                        finalColor = mix(finalColor, vec3(0.0), scanline_alpha);
+                        gl_FragColor = vec4(finalColor * brightness, 1.0);
+                    }"
+        }
+
+        Loader{
+            property rect sourceRect: item.sourceRect
+
+            id: frame
+            anchors.fill: parent
+            z: 2.1
+            source: shadersettings.frame_source
+        }
+
+        TerminalScreen {
+            id: terminal
+            anchors.fill: parent
+
+            //FIXME: Ugly forced clear terminal at the beginning
+            Component.onCompleted: {
+                terminal.screen.sendKey("l", 76, 67108864);
+            }
+        }
+
+        RadialGradient{
+            id: ambientreflection
+            z: 2.0
+            anchors.fill: parent
+            cached: true
+            opacity: shadersettings.ambient_light * 0.66
+            gradient: Gradient{
+                GradientStop{position: 0.0; color: "white"}
+                GradientStop{position: 0.7; color: "#00000000"}
+            }
+        }
+    }
+}

qml/cool-old-term/main.qml

@@ -29,232 +29,13 @@ import QtQuick.Window 2.0
 import QtQuick.Controls 1.0
 import QtGraphicalEffects 1.0
 
-ApplicationWindow{
+Item{
-    id: terminalWindow
+    ShaderSettings{
-    width: 1024
+        id: shadersettings
-    height: 768
-
-    title: qsTr("Terminal")
-
-    menuBar: MenuBar {
-        id: menubar
-        Menu {
-            title: qsTr("File")
-            MenuItem { text: "Close"; onTriggered: mainwindow.close()}
-        }
-        Menu {
-            title: qsTr("Edit")
-            MenuItem {
-                text: qsTr("Settings")
-                onTriggered: {
-                    var component = Qt.createComponent("SettingsWindow.qml");
-                    component.createObject(terminalWindow);
-                }
-            }
-        }
-
-
     }
 
-    visible: true
+    Loader{
-
+        id: terminalwindowloader
-    Item{
+        source: "TerminalWindow.qml"
-        id: maincontainer
-        anchors.fill: parent
-        anchors.top: menuBar.bottom
-        clip: true
-        ShaderSettings{
-            id: shadersettings
-        }
-
-        ShaderEffectSource{
-            id: theSource
-            sourceItem: terminal
-            sourceRect: frame.sourceRect
-        }
-
-        ShaderEffect {
-            id: shadercontainer
-            anchors.fill: terminal
-            blending: true
-            z: 1.9
-            property color font_color: shadersettings.font_color
-            property color background_color: shadersettings.background_color
-            property variant source: theSource
-            property size txt_Size: Qt.size(terminal.width, terminal.height)
-            property real time: 0
-
-            property real noise_strength: shadersettings.noise_strength
-            property real screen_distorsion: shadersettings.screen_distortion
-            property real glowing_line_strength: shadersettings.glowing_line_strength
-            property real brightness: 1.0
-
-            property real scanlines: shadersettings.scanlines ? 1.0 : 0.0
-
-            Behavior on brightness {
-                NumberAnimation{
-                    duration: 250
-                    onRunningChanged:
-                        if(!running) shadercontainer.brightness = 1.0;
-                }
-            }
-
-            Behavior on horizontal_distortion {
-                NumberAnimation{
-                    duration: 150
-                    onRunningChanged:
-                        if(!running) shadercontainer.horizontal_distortion = 0.0;
-                }
-            }
-
-            Loader{
-                active: shadersettings.screen_flickering != 0
-                sourceComponent: Timer{
-                    property real randval
-                    id: flickertimer
-                    interval: 500
-                    onTriggered: {
-                        randval = Math.random();
-                        if(randval < shadersettings.screen_flickering){
-                            shadercontainer.horizontal_distortion = Math.random() * shadersettings.screen_flickering;
-                        }
-                        randval = Math.random();
-                        if(randval < shadersettings.screen_flickering)
-                        shadercontainer.brightness = Math.random() * 0.5 + 0.5;
-                    }
-
-                    repeat: true
-                    running: true
-                }
-            }
-
-            property real deltay: 3 / terminal.height
-            property real deltax: 3 / terminal.width
-            property real horizontal_distortion: 0.0
-            //property real faulty_screen_prob: shadersettings.faulty_screen_prob
-
-            NumberAnimation on time{
-                from: -1
-                to: 100
-                duration: 5000
-
-                loops: Animation.Infinite
-            }
-
-            fragmentShader: "
-                        uniform sampler2D source;
-                        uniform highp float qt_Opacity;
-                        uniform highp float time;
-                        uniform highp vec2 txt_Size;
-                        varying highp vec2 qt_TexCoord0;
-
-                        uniform highp vec4 font_color;
-                        uniform highp vec4 background_color;
-
-                        uniform highp float noise_strength;
-                        uniform highp float screen_distorsion;
-                        uniform highp float glowing_line_strength;
-                        uniform highp float brightness;
-
-                        uniform highp float deltax;
-                        uniform highp float deltay;
-
-                        uniform highp float scanlines;
-
-                        uniform highp float horizontal_distortion;
-
-                        float rand(vec2 co, float time){
-                            return fract(sin(dot(co.xy ,vec2(0.37898 * time ,0.78233))) * 437.5875453);
-                        }
-
-                        float stepNoise(vec2 p){
-                            vec2 newP = p * txt_Size*0.25;
-                            return rand(floor(newP), time);
-                        }
-
-                        float getScanlineIntensity(vec2 pos){
-                            return abs(sin(pos.y * txt_Size.y)) * 0.5;
-                        }
-
-                        vec2 distortCoordinates(vec2 coords){
-                            vec2 cc = coords - vec2(0.5);
-                            float dist = dot(cc, cc) * screen_distorsion ;
-                            return (coords + cc * (1.0 + dist) * dist);
-                        }
-
-                        float randomPass(vec2 coords){
-                            return fract(smoothstep(-0.2, 0.0, coords.y - time * 0.03)) * glowing_line_strength;
-                        }
-
-                        vec4 blurredColor(sampler2D source, vec2 coords){
-                            vec4 sum = vec4(0.0);
-                            sum += texture2D(source, coords - vec2(-deltax, -deltay)) * 0.11;
-                            sum += texture2D(source, coords - vec2(-deltax, 0.0)) * 0.11;
-                            sum += texture2D(source, coords - vec2(-deltax, +deltay)) * 0.11;
-                            sum += texture2D(source, coords - vec2(0.0, -deltay)) * 0.11;
-                            sum += texture2D(source, coords - vec2(0.0, 0.0)) * 0.11;
-                            sum += texture2D(source, coords - vec2(0.0, +deltay)) * 0.11;
-                            sum += texture2D(source, coords - vec2(+deltax, -deltay)) * 0.11;
-                            sum += texture2D(source, coords - vec2(+deltax, 0.0)) * 0.11;
-                            sum += texture2D(source, coords - vec2(+deltax, +deltay)) * 0.11;
-                            return sum;
-                        }
-
-                        void main() {
-                            vec2 coords = distortCoordinates(qt_TexCoord0);
-
-                            //TODO This formula could be improved
-                            float distortion = (sin(coords.y * 20.0 * fract(time * 0.1) + sin(fract(time * 0.2))) + sin(time * 0.05));
-                            coords.x = coords.x + distortion * 0.3 * horizontal_distortion;
-
-                            float color = (blurredColor(source, coords).r + texture2D(source, coords).r) * 0.5;
-                            float scanline_alpha = getScanlineIntensity(coords) * scanlines;
-                            float noise = stepNoise(coords) * noise_strength;
-                            float randomPass = randomPass(coords) * glowing_line_strength;
-                            color += noise + randomPass;
-                            vec3 finalColor = mix(background_color, font_color, color).rgb;
-                            finalColor = mix(finalColor, vec3(0.0), scanline_alpha);
-                            gl_FragColor = vec4(finalColor * brightness, 1.0);
-                        }"
-        }
-
-        Loader{
-            property rect sourceRect: item.sourceRect
-
-            id: frame
-            anchors.fill: parent
-            z: 2.1
-            source: shadersettings.frame_source
-        }
-
-        TerminalScreen {
-            id: terminal
-            anchors.fill: parent
-
-            //FIXME: Ugly forced clear terminal at the beginning
-            Component.onCompleted: {
-                terminal.screen.sendKey("l", 76, 67108864);
-            }
-        }
-
-        Loader{
-            id: terminalloader
-            anchors.fill: parent
-            asynchronous: true
-            sourceComponent: terminal
-        }
-
-
-        RadialGradient{
-            id: ambientreflection
-            z: 2.0
-            anchors.fill: parent
-            cached: true
-            opacity: shadersettings.ambient_light * 0.66
-            gradient: Gradient{
-                GradientStop{position: 0.0; color: "white"}
-                GradientStop{position: 0.7; color: "#00000000"}
-            }
-        }
     }
 }