Public bug reported:
Pressing Super+A results in focus being taken from applications without
the release key event being sent for the Super key. This means that when
focus is restored to an application it believes that the Super key is
permanently being held down unless the user presses it again.
The effects of this can be seen in most applications that accept
keyboard input, for example in the terminal cursor input stops working
instead just inserting A/B/C/D characters, in the webbrowser keyboard
shortcuts no longer work, in Kate cursor movement stops working, etc.
Steps to reproduce:
1. Run the following QML:
import QtQuick 2.4
import Ubuntu.Components 1.3
MainView {
property bool superPress: false
focus: true
Label {
anchors.centerIn: parent
text: "Super pressed? " + (superPress ? "True" : "False")
}
Keys.onPressed: {
if (event.key == Qt.Key_Super_L) {
superPress = true
}
}
Keys.onReleased: {
if (event.key == Qt.Key_Super_L) {
superPress = false
}
}
}
2. Hold Super+A until the app drawer opens
3. Click on the QML application to restore its focus
Expected result:
QML application should be showing: "Super pressed? False"
Actual result:
QML application shows: "Super pressed? True" because the release event
was never sent to the application when the application drawer took
focus.
** Affects: unity8 (Ubuntu)
Importance: Undecided
Status: New
** Description changed:
Pressing Super+A results in focus being taken from applications without
the release key event being sent for the Super key. This means that when
focus is restored to an application it believes that the Super key is
permanently being held down unless the user presses it again.
The effects of this can be seen in most applications that accept
keyboard input, for example in the terminal cursor input stops working
instead just inserting A/B/C/D characters, in the webbrowser keyboard
shortcuts no longer work, in Kate cursor movement stops working, etc.
Steps to reproduce:
1. Run the following QML:
import QtQuick 2.4
import Ubuntu.Components 1.3
MainView {
- property bool superPress: false
- focus: true
+ property bool superPress: false
+ focus: true
- Label {
- anchors.centerIn: parent
- text: "Super pressed? " + (superPress ? "True" : "False")
- }
+ Label {
+ anchors.centerIn: parent
+ text: "Super pressed? " + (superPress ? "True" : "False")
+ }
- Keys.onPressed: {
- if (event.key == Qt.Key_Super_L) {
- superPress = true
- }
- }
+ Keys.onPressed: {
+ if (event.key == Qt.Key_Super_L) {
+ superPress = true
+ }
+ }
- Keys.onReleased: {
- if (event.key == Qt.Key_Super_L) {
- superPress = false
- }
- }
+ Keys.onReleased: {
+ if (event.key == Qt.Key_Super_L) {
+ superPress = false
+ }
+ }
}
2. Hold Super+A until the app drawer opens
- 3. Click on the QML application
+ 3. Click on the QML application to restore its focus
Expected result:
QML application should be showing: "Super pressed? False"
Actual result:
QML application shows: "Super pressed? True" because the release event
was never sent to the application when the application drawer took
focus.
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https://bugs.launchpad.net/bugs/1677072
Title:
Super+A shortcut breaks application keyboard input
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