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Add support for grace lock in lockscreen keypad

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This commit is contained in:
Devin Lin 2020-09-28 21:26:24 -04:00
parent 849cb5f88f
commit 01026a223a
2 changed files with 67 additions and 30 deletions
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94
look-and-feel/contents/lockscreen/Keypad.qml
View file

@ -24,47 +24,78 @@ import org.kde.plasma.core 2.0 as PlasmaCore
import org.kde.plasma.workspace.keyboardlayout 1.0
Rectangle {
id: keypadRoot
color: Qt.rgba(250, 250, 250, 0.85) // slightly translucent background, for key contrast
property string pinLabel: qsTr("Enter PIN")
// for displaying temporary number in pin dot display
property string lastKeyPressValue: "0"
property int indexWithNumber: -2
property int indexWithNumber: -2
// if waiting for result of auth
property bool waitingForAuth: false
function reset() {
waitingForAuth = false;
root.password = "";
keypadRoot.pinLabel = qsTr("Enter PIN");
}
// keypad functions
function backspace() {
lastKeyPressValue = "0";
indexWithNumber = -2;
root.password = root.password.substr(0, root.password.length - 1);
if (!keypadRoot.waitingForAuth) {
keypadRoot.lastKeyPressValue = "0";
keypadRoot.indexWithNumber = -2;
root.password = root.password.substr(0, root.password.length - 1);
}
}
function clear() {
lastKeyPressValue = "0";
indexWithNumber = -2;
root.password = "";
if (!keypadRoot.waitingForAuth) {
keypadRoot.lastKeyPressValue = "0";
keypadRoot.indexWithNumber = -2;
root.password = "";
}
}
function enter() {
authenticator.tryUnlock(root.password);
keypadRoot.waitingForAuth = true;
// don't try to unlock if there is a timeout (unlock once unlocked)
if (!authenticator.graceLocked) {
authenticator.tryUnlock(root.password);
}
}
function keyPress(data) {
if (keypad.pinLabel !== qsTr("Enter PIN")) {
keypad.pinLabel = qsTr("Enter PIN");
if (!keypadRoot.waitingForAuth) {
if (keypadRoot.pinLabel !== qsTr("Enter PIN")) {
keypadRoot.pinLabel = qsTr("Enter PIN");
}
keypadRoot.lastKeyPressValue = data;
keypadRoot.indexWithNumber = root.password.length;
root.password += data
// trigger turning letter into dot later
letterTimer.restart();
}
lastKeyPressValue = data;
indexWithNumber = root.password.length;
root.password += data
// trigger turning letter into dot later
letterTimer.restart();
}
Connections {
target: authenticator
function onSucceeded() {
pinLabel = qsTr("Logging in...");
keypadRoot.waitingForAuth = false;
}
function onFailed() {
root.password = "";
pinLabel = qsTr("Wrong PIN")
pinLabel = qsTr("Wrong PIN");
keypadRoot.waitingForAuth = false;
}
function onGraceLockedChanged() {
// try authenticating if it was waiting for grace lock to stop and it has stopped
if (!authenticator.graceLocked && keypadRoot.waitingForAuth) {
authenticator.tryUnlock(root.password);
}
}
}
@ -72,11 +103,11 @@ Rectangle {
Keys.onPressed: {
if (event.modifiers === Qt.NoModifier) {
if (event.key === Qt.Key_Backspace) {
backspace();
keypadRoot.backspace();
} else if (event.key === Qt.Key_Return) {
enter();
keypadRoot.enter();
} else if (event.text != "") {
keyPress(event.text);
keypadRoot.keyPress(event.text);
}
}
}
@ -88,8 +119,8 @@ Rectangle {
running: false
repeat: false
onTriggered: {
lastKeyPressValue = 0;
indexWithNumber = -2;
keypadRoot.lastKeyPressValue = 0;
keypadRoot.indexWithNumber = -2;
}
}
@ -104,19 +135,26 @@ Rectangle {
}
spacing: units.gridUnit
Item {
Layout.alignment: Qt.AlignCenter
}
// pin dot display
Item {
Layout.alignment: Qt.AlignCenter
Layout.minimumHeight: units.gridUnit * 0.5
Layout.maximumWidth: parent.width
// label ("wrong pin", "enter pin")
Label {
visible: root.password.length === 0
anchors.centerIn: parent
text: pinLabel
text: keypadRoot.pinLabel
font.pointSize: 12
color: "#616161"
}
// dot display and letter
RowLayout {
id: dotDisplay
anchors.centerIn: parent
@ -131,13 +169,13 @@ Rectangle {
Layout.preferredHeight: Layout.preferredWidth
Layout.alignment: Qt.AlignVCenter
radius: width
color: "#424242"
color: keypadRoot.waitingForAuth ? "#969696" : "#424242" // dim when waiting for auth
}
}
Label { // number/letter
visible: root.password.length-1 === indexWithNumber // hide label if no label needed
Layout.alignment: Qt.AlignHCenter
color: "#424242"
color: keypadRoot.waitingForAuth ? "#969696" : "#424242"
text: lastKeyPressValue
font.pointSize: 12
}
@ -185,11 +223,11 @@ Rectangle {
onReleased: parent.color = "white"
onClicked: {
if (modelData === "R") {
backspace();
keypadRoot.backspace();
} else if (modelData === "E") {
enter();
keypadRoot.enter();
} else {
keyPress(modelData);
keypadRoot.keyPress(modelData);
}
}
onPressAndHold: {

3
look-and-feel/contents/lockscreen/LockScreen.qml
View file

@ -234,8 +234,7 @@ PlasmaCore.ColorScope {
// wipe password if it is more than half way down the screen
onContentYChanged: {
if (contentY < columnHeight / 2) {
root.password = "";
keypad.pinLabel = qsTr("Enter PIN");
keypad.reset();
}
}