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// Copyright (C) 2021 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
import QtQuick
import QtQuick.Layouts
import "components"
Item {
width: 800
height: 480
Rectangle {
id: rect
anchors.fill: parent; anchors.margins: 40; anchors.topMargin: 60
border.width: 3; border.color: "transparent"
color: handler.pressed ? "lightsteelblue" : "darkgrey"
TapHandler {
id: handler
acceptedButtons: (leftAllowedCB.checked ? Qt.LeftButton : Qt.NoButton) |
(middleAllowedCB.checked ? Qt.MiddleButton : Qt.NoButton) |
(rightAllowedCB.checked ? Qt.RightButton : Qt.NoButton)
gesturePolicy: (policyDragThresholdCB.checked ? TapHandler.DragThreshold :
policyWithinBoundsCB.checked ? TapHandler.WithinBounds :
policyDragWithinBoundsCB.checked ? TapHandler.DragWithinBounds :
TapHandler.ReleaseWithinBounds)
onCanceled: function(point) {
console.log("canceled @ " + point.position)
borderBlink.blinkColor = "red"
borderBlink.start()
}
onTapped: function(point, button) {
console.log("tapped button " + button + " @ " + point.scenePosition +
" on device '" + point.device.name + "' with modifiers " + handler.point.modifiers +
" " + (tapCount > 1 ? (tapCount + " times") : "for the first time"))
if (tapCount > 1) {
tapCountLabel.text = tapCount
flashAnimation.start()
} else {
borderBlink.tapFeedback(button)
}
}
onLongPressed: longPressFeedback.createObject(rect,
{"x": point.position.x, "y": point.position.y,
"text": "long press after\n" + handler.timeHeld.toFixed(3) + " sec",
"color": buttonToBlinkColor(point.pressedButtons)})
}
Text {
id: tapCountLabel
anchors.centerIn: parent
font.pixelSize: 72
font.weight: Font.Black
SequentialAnimation {
id: flashAnimation
PropertyAction { target: tapCountLabel; property: "visible"; value: true }
PropertyAction { target: tapCountLabel; property: "opacity"; value: 1.0 }
PropertyAction { target: tapCountLabel; property: "scale"; value: 1.0 }
ParallelAnimation {
NumberAnimation {
target: tapCountLabel
property: "opacity"
to: 0
duration: 500
}
NumberAnimation {
target: tapCountLabel
property: "scale"
to: 1.5
duration: 500
}
}
}
}
Rectangle {
id: expandingCircle
radius: handler.timeHeld * 100
visible: radius > 0 && handler.pressed
border.width: 3
border.color: buttonToBlinkColor(handler.point.pressedButtons)
color: "transparent"
width: radius * 2
height: radius * 2
x: handler.point.pressPosition.x - radius
y: handler.point.pressPosition.y - radius
opacity: 0.25
}
Component {
id: longPressFeedback
Text { }
}
SequentialAnimation {
id: borderBlink
property color blinkColor: "red"
function tapFeedback(button) {
blinkColor = buttonToBlinkColor(button);
start();
}
loops: 3
ScriptAction { script: rect.border.color = borderBlink.blinkColor }
PauseAnimation { duration: 100 }
ScriptAction { script: rect.border.color = "transparent" }
PauseAnimation { duration: 100 }
}
Text {
text: "tap, click with different buttons, double-click, long press in this area"
anchors {
bottom: parent.bottom
horizontalCenter: parent.horizontalCenter
margins: 6
}
}
}
function buttonToBlinkColor(button) {
switch (button) {
case Qt.MiddleButton: return "orange";
case Qt.RightButton: return "magenta";
default: return "green";
}
}
GridLayout {
columnSpacing: 6; rowSpacing: 6
Text {
text: "accepted mouse clicks:"
}
CheckBox {
id: leftAllowedCB
checked: true
text: "left"
}
CheckBox {
id: middleAllowedCB
text: "middle"
}
CheckBox {
id: rightAllowedCB
text: "right"
}
Text {
text: "gesture policy:"
horizontalAlignment: Text.AlignRight
Layout.row: 1
Layout.fillWidth: true
}
CheckBox {
id: policyDragThresholdCB
text: "drag threshold"
onCheckedChanged: if (checked) {
policyWithinBoundsCB.checked = false;
policyReleaseWithinBoundsCB.checked = false;
policyDragWithinBoundsCB.checked = false;
}
}
CheckBox {
id: policyWithinBoundsCB
text: "within bounds"
onCheckedChanged: if (checked) {
policyDragThresholdCB.checked = false;
policyReleaseWithinBoundsCB.checked = false;
policyDragWithinBoundsCB.checked = false;
}
}
CheckBox {
id: policyReleaseWithinBoundsCB
checked: true
text: "release within bounds"
onCheckedChanged: if (checked) {
policyDragThresholdCB.checked = false;
policyWithinBoundsCB.checked = false;
policyDragWithinBoundsCB.checked = false;
}
}
CheckBox {
id: policyDragWithinBoundsCB
text: "drag within bounds"
onCheckedChanged: if (checked) {
policyDragThresholdCB.checked = false;
policyWithinBoundsCB.checked = false;
policyReleaseWithinBoundsCB.checked = false;
}
}
}
}
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