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[ui] Controls: add SearchBar component + better keyboard focus handling

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* use it in MetadataListView and GraphEditor 'add Node' menu
* GraphEditor: forward MenuItem key events to searchBar to be able to continue editing the filter even if it lost active focus
This commit is contained in:
Yann Lanthony 2019-01-07 16:48:17 +01:00
parent b5c985b3fb
commit b46a2dbba1
4 changed files with 62 additions and 28 deletions
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32
meshroom/ui/qml/GraphEditor/GraphEditor.qml
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@ -142,18 +142,14 @@ Item {
if(visible) {
// when menu is shown,
// clear and give focus to the TextField filter
filterTextField.clear()
filterTextField.forceActiveFocus()
searchBar.clear()
searchBar.forceActiveFocus()
}
}
TextField {
id: filterTextField
selectByMouse: true
SearchBar {
id: searchBar
width: parent.width
// ensure down arrow give focus to the first MenuItem
// (without this, we have to pressed the down key twice to do so)
Keys.onDownPressed: nextItemInFocusChain().forceActiveFocus()
}
Repeater {
@ -164,24 +160,28 @@ Item {
id: menuItemDelegate
font.pointSize: 8
padding: 3
// Hide items that does not match the filter text
visible: modelData.toLowerCase().indexOf(filterTextField.text.toLocaleLowerCase()) > -1
visible: modelData.toLowerCase().indexOf(searchBar.text.toLowerCase()) > -1
// Reset menu currentIndex if highlighted items gets filtered out
onVisibleChanged: if(highlighted) newNodeMenu.currentIndex = 0
text: modelData
// Forward key events to the search bar to continue typing seamlessly
// even if this delegate took the activeFocus due to mouse hovering
Keys.forwardTo: [searchBar.textField]
Keys.onPressed: {
event.accepted = false;
switch(event.key)
{
case Qt.Key_Return:
case Qt.Key_Enter:
// create node on validation (Enter/Return keys)
newNodeMenu.createNode(modelData)
newNodeMenu.dismiss()
break;
case Qt.Key_Home:
// give focus back to filter
filterTextField.forceActiveFocus()
newNodeMenu.createNode(modelData);
newNodeMenu.close();
event.accepted = true;
break;
default:
break;
searchBar.textField.forceActiveFocus();
}
}
// Create node on mouse click