Not mirroring layout direction in some of Qt widgets

Not mirroring layout direction in some of Qt widgets

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Not mirroring layout direction in some of Qt widgets
Tag : qt , By : Giles
Date : January 12 2021, 01:40 AM

hope this fix your issue So, The Problem was with the stylesheet that my app is using. this line of stylesheet "QComboBox{padding: 0 10 0 10;}" was the cause of problem. I removed it and problem solved. Though I don't know the reason.
Also for a specific widget that shouldn't get the app's layout-direction, the layout-direction must be set explicitly. like: theWidget->setLayoutDirection(Qt::LeftToRight);

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How to get text direction in Android and change layout dynamically according to the direction?

Tag : android , By : Barry
Date : March 29 2020, 07:55 AM
Any of those help Solution, was easier that I was thinking :) to JAVA
There is Bidi class. This class has getBaseLevel() method which returns 0 if your text is left-to-right otherwise 1 (if right-to-left).
    public View getView(final int position, View convertView, ViewGroup parent) {
        ViewHolder holder;

        Bidi bidi = new Bidi(userList.get(position).getName(), Bidi.DIRECTION_DEFAULT_LEFT_TO_RIGHT);
        if(bidi.getBaseLevel() == 0)
            convertView = myInflater.inflate(R.layout.list_add_friends_row, null);
            convertView = myInflater.inflate(R.layout.list_add_friends_row_mirror, null);

Bidi bidi = new Bidi(userList.get(position).getName(), Bidi.DIRECTION_DEFAULT_LEFT_TO_RIGHT);
                convertView = myInflater.inflate(R.layout.list_add_friends_row, null);
                convertView = myInflater.inflate(R.layout.list_add_friends_row_mirror, null);

Cleaning a Qt layout and adding other widgets does not work. Ghost widgets stay. Qt bug?

Tag : cpp , By : unfool
Date : March 29 2020, 07:55 AM
fixed the issue. Will look into that further You are deleting the layout items, but not the widgets that the items used to manage. You must delete the widgets. All of the non-layout items will be deleted automatically when you delete the layout itself.
QHBoxLayout* row;
while(!rowLyts_.isEmpty() && (row = rowLyts_.takeAt(0))) 
  QLayoutItem *item;
  while ((item = row->takeAt(0))) {
    // The item will be deleted when the layout itself is
    // destructed. Items such as spacers will return a null
    // widget, its deletion is a safe no-op.
    delete item->widget();
    // We don't handle recursion into sublayouts.
    // We check for it so that we won't leak the layout.
  delete row;

PyQt5 grid layout expands for big widgets, but doesn't contract for small widgets

Tag : python , By : jim
Date : March 29 2020, 07:55 AM
I think the issue was by ths following , I think it is impossible for main window because i can't find it in Qt Designer. But you can call mainwindow.adjustSize() on label.changed signal.
Update: Sorry, I was wrong. QLabel has no "changed" signal. Other way:
def _hide_feedback_label(self):

    self.adjustSize() # <--

How I can to create gridView with horizontal flickable direction and LeftToRight layout direction?

Tag : qt , By : dyarborough
Date : March 29 2020, 07:55 AM
may help you . I think this number order isnt easy to get without some paging functions. This is closest.
Window {
    visible: true
    width: 800
    title: qsTr("Hello World")

    GridView {
        width:parent.width*0.95 ; height: parent.height*0.95
        verticalLayoutDirection: Grid.TopToBottom
        layoutDirection: Qt.LeftToRight
        flow: Grid.TopToBottom
        anchors.centerIn: parent
        model: 11
        cellWidth: width/3;
        cellHeight: height/3
        flickableDirection: Flickable.HorizontalFlick

        delegate:Item  {
            width: grid.cellWidth
            height: grid.cellHeight

            Rectangle {
                color: Qt.rgba(Math.random(),Math.random(),Math.random(),1)
                width: parent.width*0.75
                height: parent.height*0.75

                Text {
                    id: name
                    text: index.toString()
                    font.pointSize: 20

Qt: disable layout mirroring in designer?

Tag : qt , By : orlandoferrer
Date : March 29 2020, 07:55 AM
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