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<h1 class="title">interactive.qml Example File</h1>
<span class="subtitle">shapes/content/interactive.qml</span>
<!-- $$$shapes/content/interactive.qml-description -->
<div class="descr"> <a name="details"></a>
<pre class="qml">
/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtQuick module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
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** information use the contact form at https://www.qt.io/contact-us.
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** as follows:
**
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** modification, are permitted provided that the following conditions are
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** * Redistributions of source code must retain the above copyright
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import QtQuick 2.9
import QtQuick.Shapes 1.0
Rectangle {
id: root
width: 1024
height: 768
property color col: "lightsteelblue"
gradient: Gradient {
GradientStop { position: 0.0; color: Qt.tint(root.col, "#20FFFFFF") }
GradientStop { position: 0.1; color: Qt.tint(root.col, "#20AAAAAA") }
GradientStop { position: 0.9; color: Qt.tint(root.col, "#20666666") }
GradientStop { position: 1.0; color: Qt.tint(root.col, "#20000000") }
}
property int mode: 0
property bool showResizers: true
property bool fill: false
Row {
x: 20
y: 10
spacing: 20
Rectangle {
border.color: "black"
color: root.mode === 0 ? "red" : "transparent"
width: 100
height: 40
Text {
anchors.centerIn: parent
text: "Line"
}
MouseArea {
anchors.fill: parent
onClicked: root.mode = 0
}
}
Rectangle {
border.color: "black"
color: root.mode === 1 ? "red" : "transparent"
width: 100
height: 40
Text {
anchors.centerIn: parent
text: "Cubic"
}
MouseArea {
anchors.fill: parent
onClicked: root.mode = 1
}
}
Rectangle {
border.color: "black"
color: root.mode === 2 ? "red" : "transparent"
width: 100
height: 40
Text {
anchors.centerIn: parent
text: "Quadratic"
}
MouseArea {
anchors.fill: parent
onClicked: root.mode = 2
}
}
Slider {
id: widthSlider
name: "Width"
min: 1
max: 60
init: 4
}
Rectangle {
border.color: "black"
color: root.showResizers ? "yellow" : "transparent"
width: 50
height: 40
Text {
anchors.centerIn: parent
text: "Manip"
}
MouseArea {
anchors.fill: parent
onClicked: {
root.showResizers = !root.showResizers;
for (var i = 0; i < canvas.resizers.length; ++i)
canvas.resizers[i].visible = root.showResizers;
}
}
}
Rectangle {
border.color: "black"
color: root.fill ? "yellow" : "transparent"
width: 50
height: 40
Text {
anchors.centerIn: parent
text: "Fill"
}
MouseArea {
anchors.fill: parent
onClicked: root.fill = !root.fill
}
}
}
Rectangle {
id: canvas
width: root.width - 40
height: root.height - 120
x: 20
y: 100
property variant activePath: null
property variant resizers: []
property variant funcs
function genResizer(obj, x, y, xprop, yprop, color) {
var ma = Qt.createQmlObject('import QtQuick 2.9; import QtQuick.Shapes 1.0; Rectangle { id: rr; property variant obj; color: "' + color + '"; width: 20; height: 20;'+
'MouseArea { anchors.fill: parent; hoverEnabled: true;' +
'onEntered: color = "yellow"; onExited: color = "' + color + '";' +
'property bool a: false; onPressed: a = true; onReleased: a = false; ' +
'onPositionChanged: if (a) { var pt = mapToItem(rr.parent, mouse.x, mouse.y);' +
'obj.' + xprop + ' = pt.x; obj.' + yprop + ' = pt.y; rr.x = pt.x - 10; rr.y = pt.y - 10; } } }',
canvas, "resizer_item");
ma.visible = root.showResizers;
ma.obj = obj;
ma.x = x - 10;
ma.y = y - 10;
resizers.push(ma);
return ma;
}
Component.onCompleted: {
funcs = [
{ "start": function(x, y) {
var p = Qt.createQmlObject('import QtQuick 2.9; import QtQuick.Shapes 1.0; ShapePath {' +
'strokeColor: "black"; fillColor: "transparent";'+
'strokeWidth: ' + widthSlider.value + ';' +
'startX: ' + x + '; startY: ' + y + ';' +
'PathLine { x: ' + x + ' + 1; y: ' + y + ' + 1 } }',
root, "dynamic_visual_path");
shape.data.push(p);
activePath = p;
}, "move": function(x, y) {
if (!activePath)
return;
var pathObj = activePath.pathElements[0];
pathObj.x = x;
pathObj.y = y;
}, "end": function() {
canvas.genResizer(activePath, activePath.startX, activePath.startY, "startX", "startY", "red");
var pathObj = activePath.pathElements[0];
canvas.genResizer(pathObj, pathObj.x, pathObj.y, "x", "y", "red");
activePath = null;
}
},
{ "start": function(x, y) {
var p = Qt.createQmlObject('import QtQuick 2.9; import QtQuick.Shapes 1.0; ShapePath {' +
'strokeColor: "black"; fillColor: "' + (root.fill ? 'green' : 'transparent') + '";'+
'strokeWidth: ' + widthSlider.value + ';' +
'startX: ' + x + '; startY: ' + y + ';' +
'PathCubic { x: ' + x + ' + 1; y: ' + y + ' + 1;' +
'control1X: ' + x + ' + 50; control1Y: ' + y + ' + 50; control2X: ' + x + ' + 150; control2Y: ' + y + ' + 50; } }',
root, "dynamic_visual_path");
shape.data.push(p);
activePath = p;
}, "move": function(x, y) {
if (!activePath)
return;
var pathObj = activePath.pathElements[0];
pathObj.x = x;
pathObj.y = y;
}, "end": function() {
canvas.genResizer(activePath, activePath.startX, activePath.startY, "startX", "startY", "red");
var pathObj = activePath.pathElements[0];
canvas.genResizer(pathObj, pathObj.x, pathObj.y, "x", "y", "red");
canvas.genResizer(pathObj, pathObj.control1X, pathObj.control1Y, "control1X", "control1Y", "blue");
canvas.genResizer(pathObj, pathObj.control2X, pathObj.control2Y, "control2X", "control2Y", "lightBlue");
activePath = null;
}
},
{ "start": function(x, y) {
var p = Qt.createQmlObject('import QtQuick 2.9; import QtQuick.Shapes 1.0; ShapePath {' +
'strokeColor: "black"; fillColor: "' + (root.fill ? 'green' : 'transparent') + '";'+
'strokeWidth: ' + widthSlider.value + ';' +
'startX: ' + x + '; startY: ' + y + ';' +
'PathQuad { x: ' + x + ' + 1; y: ' + y + ' + 1;' +
'controlX: ' + x + ' + 50; controlY: ' + y + ' + 50 } }',
root, "dynamic_visual_path");
shape.data.push(p);
activePath = p;
}, "move": function(x, y) {
if (!activePath)
return;
var pathObj = activePath.pathElements[0];
pathObj.x = x;
pathObj.y = y;
}, "end": function() {
canvas.genResizer(activePath, activePath.startX, activePath.startY, "startX", "startY", "red");
var pathObj = activePath.pathElements[0];
canvas.genResizer(pathObj, pathObj.x, pathObj.y, "x", "y", "red");
canvas.genResizer(pathObj, pathObj.controlX, pathObj.controlY, "controlX", "controlY", "blue");
activePath = null;
}
}
];
}
MouseArea {
anchors.fill: parent
onPressed: {
canvas.funcs[root.mode].start(mouse.x, mouse.y);
}
onPositionChanged: {
canvas.funcs[root.mode].move(mouse.x, mouse.y);
}
onReleased: {
canvas.funcs[root.mode].end();
}
}
Shape {
id: shape
anchors.fill: parent
data: []
}
}
}
</pre>
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<!-- @@@shapes/content/interactive.qml -->
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Mageia
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7
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i586
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media
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core-updates
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6e2327ca1c896c6d674ae53117299f21
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