256 questions
0
votes
0
answers
92
views
Is there a way to use Material Design icons in a Qt Quick (QML) file?
I'm working on a Qt project based on Qt 6.7.2 and using QML for the frontend and Python for the backend.
I'm wondering if there is a way to use material design icons directly in a QML file, and if it'...
- 37
0
votes
1
answer
111
views
Single click clears selection of QML TreeView
I'm using Qt6.5 and I want to implement selection on QML TreeView, as the default interaction seems to only support navigation (involving the current property, which is a different concept from ...
- 69
1
vote
1
answer
100
views
How to hide white rectangle when hovering a button?
I want to make button hover effect in Qt Creator, Qt Quick 6.5.
The below code works, but then a white rectangle appears.
Button {
anchors.left: inputFromUser.right; anchors.leftMargin: 5
id: ...
- 11
0
votes
0
answers
41
views
ComboBox from QtQuick Controls 1 doesn't recognize flick
I customized ComboBox from QtQuick.Controls 1 using the following:
QML ComboBox item DropDownMenu style
The only problem I have now is that menu area (that drops down and shows delegates) does not ...
0
votes
1
answer
255
views
How do I set the Button.down color in QtQuick Qt6?
I've been following an older tutorial to learn about QtQuick. I've had to modify the tutorial in order to attain the correct behavior. So far, most of it is working, but I'm stuck on setting the ...
- 413
1
vote
4
answers
3k
views
How to create a Progress Bar in Qml with slant lines?
Hello ,
I am looking for some solution to create a progress bar in qml having slant lines.
I dont having any snippet to share here, as I am not aware how to do so.
Can anyone please guide ??
- 43
1
vote
1
answer
140
views
Animate Button width on text change
I have a Button which text changes and when its text changes, its width also changes. I want to animate this change in width when I change the text. How can I do that ?
I tried following but its not ...
- 1,059
0
votes
1
answer
304
views
QML menu style only works in QtWidgets QApplication
I am running Qt 5.11.0 under Windows (I understand that it is very old but I cannot upgrade that embedded system).
For some reason, QML Menu from QtQuickControls1 ignores its style if app is a ...
- 916
0
votes
1
answer
328
views
How do multiple child items requesting focus get focus within a FocusScope type?
I'm new to QML and I'm confused by the FocusScope type. My understanding is that it's used to control the focus of part an application when multiple items are requesting focus.
The documentation says:
...
- 1
0
votes
1
answer
316
views
Dynamic height of tableviewcolumn according to text length
hello I have the following problem I am working with qt quick control 1.4 because the tableview of 2.15 does not adapt correctly as I would like; the table overflows in height and my question is the ...
- 17
0
votes
1
answer
96
views
How can I save an image with OpacityMask applied?
I am working on a project where I want to save a thumbnail image of a rendered screen exactly as it's displayed, including with the application of an OpacityMask. The problem is that no matter what I ...
- 7,072
0
votes
1
answer
856
views
Mask from pictures, crop image behind cursor
I have a basic background from a blue image with a transparent background (PNG), how can I make a different background from the image after the arrow?
I tried the option using a mask, but it cuts the ...
1
vote
1
answer
2k
views
qt qml checkbox: How to execute code when clicked by user but not checked by q_property binding
I have a checkbox in qt which I'd like to be checked via a q_property tied to code, but also by a user. When a user clicks on the checkbox, I'd like to run some code. The issue is that the onChecked ...
- 1,634
1
vote
1
answer
114
views
How to include QtQuickControls
I've included to my project :
"import QtQuickQontrols 1.4"
But now I need to use ScrollBar , and for this, I need to include
"import QtQuickControls 2.2"
But when I include ...
- 47
5
votes
1
answer
6k
views
TableView replacement for TableViewColumn in Qt Quick 2
In Qt Quick Controls 1 we can style different columns from a model with TableViewColumn:
TableView {
anchors.fill: parent
TableViewColumn {title: "1"; role: "one"; width: ...
- 351
0
votes
1
answer
2k
views
How to give border-color to a row in TableView with QT Quick Contol 2.0?
Table1
Item {
id: control
TableView {
id: table1
delegate: Rectangle {
color: control....
- 1
0
votes
0
answers
620
views
QtQuick.Controls 2.x context menu for text edit
Back there, in QtQuick.Controls 1.2 there was a TextField component which (through some arcane magic of inheritance and private implementation details) possessed an EditMenu component which in turn ...
- 724
0
votes
0
answers
181
views
How Reuse My Qt Quick Controls in Multiple project like c++ library?
I have read article Adding Libraries to Projects for Reusing my c++ classes in my diffrent qt quick applications,
I have many Custom qml types Like MyCustomGridView.qml and I using this in many ...
- 1,796
4
votes
1
answer
2k
views
how to make QtQuick TableView / TreeView with heterogeneous delegate chosen based on field value
How to make a TableView or TreeView with a cell delegate chosen according to the value of another cell?
The idea is to make a property editor similar to this:
I tried various of the approaches ...
- 18.9k
3
votes
1
answer
6k
views
qtcreator can't find QT quick on ubuntu 18.04
I would like to develop a Qt Quick application on my Ubuntu 18.04.03 machine. I am going the route of installing Qt through the Ubuntu distribution. I first install the following:
sudo apt-get ...
- 711
1
vote
0
answers
91
views
Qt Quick - What about the future of TableView and TableViewColum?
I'm using Qt Quick 5.13 for several projects, some of them require a data grid with a column header, handling advanced functionalities, among others allowing the user to resize the columns, sort their ...
- 1,933
0
votes
0
answers
554
views
Qt Abstract Model - flags() function never called
I'm currently working on a Qt Quick application in which there is a TableView showing data from a backend model written in C++ (it is a custom model derived from QAbstractListModel).
I want to have ...
- 790
0
votes
1
answer
111
views
QML FileDialog Assertion failed
I'm trying to use the FileDialog. but when I browse at the second time
I got a crash with information is
"Gtk: Error assertion failed: (cancellable == data->button_data->cancellable)"
How do I ...
3
votes
2
answers
809
views
how to get the tumbler to 'base style'
I am creating a simple tumbler with QML. When I run the application, the tumbler is in the "Flat Style". How to I change it to the "Base Style" (the 3D Look)?
You can see the "3D Look" at this page:
...
- 99
2
votes
0
answers
79
views
Use Qt Quick Controls 2 UIs in Qt Installer Framework
I want to make a Qt Quick Controls 2-based installer. Doing so from scratch will take several hours from my time, so I want to use the Qt Installer Framework. It's possible?
So far I have customized ...
- 411
3
votes
1
answer
2k
views
Qt found not working imports, but project is working. Partially
I want to build simple Qt Quick application that access filesystem and do some work with files. But Qt Creator behaves strangely.
I used Qt Designer and added a couple of elements in window
Yellow ! ...
2
votes
1
answer
1k
views
How Use ListModel with SwipeView?
I have a c++ class that i registerd it in qml , and this class have an model that was inherited from QAbstractListModel,Now I want this model with a SwipeView
Manager {
id: manager
}
SwipeView {
...
- 1,796
0
votes
1
answer
863
views
Mutually exclusive menu items in Qt Quick Controls 2
I want to specify mutually exclusive items in a submenu, using Qt Quick Controls 2.
How to accomplish this? I suspect it somehow involves ActionGroup, but I don't see how a submenu can reference ...
- 711
0
votes
1
answer
113
views
Binding Loop Error While Trying to Increment Progress
I am trying to show incremental changes on a progress bar by clicking a mouse area. The code below compiles and changes the value of the progress bar from 0 to 0.25 after clicking the mouse area. But ...
- 816
1
vote
1
answer
334
views
QML Rectangle Object coming in wrong place
I am just trying to create 4 rectangles with 3 next to each other and 4th one is below the 3rd rectangle and my qml looks like below
import QtQuick 2.12
import QtQuick.Window 2.12
import QtQuick....
- 430
1
vote
0
answers
1k
views
QML - How do create a drag and drop behavior the item of tableview
I created a table below using tableview of qt quick control 1.4
My code is
import QtQuick 2.12
import QtQuick.Window 2.2
import QtQuick.Controls 2.5
import QtQuick.Controls 1.4 as QtC1
QtC1....
- 133
0
votes
3
answers
670
views
Handling modifiers in QtQuick Shortcut
I have a simple QtQuick application, say
import QtQuick 2.12
import QtQuick.Window 2.12
Window {
visible: true
width: 640
height: 480
Shortcut {
sequence: "i"
context:...
1
vote
1
answer
583
views
Apply QML DropShadow invalid, error hint and hint for "QML DropShadow: Cannot anchor to an item that isn't a parent or sibling."
Codes show as below:
import QtQuick 2.12
import QtGraphicalEffects 1.12
import QtQuick.Controls 2.12
Item {
width: 300
height: 300
TabBar {
id: bar
width: parent.width
...
- 421
1
vote
0
answers
320
views
qml qt 5.12 using modules controls1 and controls2 in one program
I can't use QtQuick.Controls 1.2 and QtQuick.Controls 2.12 in one program. Although in Qt 5.10 this worked. Now I get this message when I load main.qml:
"qrc:/MyButton.qml 2 module QtQuick.Controls 2....
- 678
2
votes
1
answer
3k
views
How to convert horizontal menu tab to vertical in QML?
I want to convert a horizontal menu tab to vertical menu tab, I wrote the following code:
TabView {
id: frame
anchors.fill: parent
anchors.margins: 4
Tab { title: "Tab 1"...
0
votes
0
answers
442
views
QML import and Java determination errors and warnings when building by the Arm7 kit
I installed a great bunch of SDK packages
and went for building the APK file of a QML application using the Build button for the Arm7 kit on Qt Creator 4.8.0 on my Windows machine.
There're, ...
- 1,177
0
votes
1
answer
1k
views
How to dynamically update a child combobox from parent combobox
I have a QML app that has two combo boxes, one is parent (country) combo box, other one is child (city) combo box. When selecting a country, the child combo box should have cities of the country at ...
- 25
9
votes
1
answer
18k
views
Error module "QtQuick" version 2.12 is not installed
I have installed Qt 4.5.0 community and I am trying to build my project with Qt5.10.0 MinGW 32 bit. Having QtQuick 2.12 imported in my qml file in a qtquick project, I face with the following error:
...
- 465
0
votes
2
answers
1k
views
Destroy QT QML windows once done
Newbie to QT QML and sorry if its just very simple ask.
I have simple piece of code that demonstrate WebEngine Qt Quick example.
/* runtime.qml*/
import QtQuick 2.1
import QtQuick.Controls 1.1
...
- 1,523
1
vote
1
answer
1k
views
QML progress bar is NOT showing up on UI
I have this QML progress bar:
import QtQuick.Controls 2.0 as QQC20
Item {
QQC20.ProgressBar {
id: progressbar_id
visible: false // even if "true", the progress bar does NOT show ...
- 7,896
0
votes
1
answer
783
views
QML SplitView: How this control handle their children items into internal item?
I looking into source code of SplitView (%QT_SOURCE_PATH%\qml\QtQuick\Controls\SplitView.qml) and noticed that it used 3 Items to maipulate splitters and items:
Item {
id: contents
visible: ...
- 43
0
votes
0
answers
174
views
I can't create a qt quick control project , what I have to do
I have some problems with at creator while creating a qt quick control project.
I have downloaded full version of qt, but when I wanna create a new qt quick control, I can't do this, because while ...
7
votes
2
answers
958
views
How can I disable the mouse wheel for a TextArea without disabling the entire control?
I'm using a TextArea to display multi-line text with embedded <IMG ...> tags in the delegate for a ListView. I have it set to read-only (and not disabled) because I need hyperlinks in the text ...
- 75.2k
0
votes
2
answers
953
views
It is possible to set the CSS white-space of a QtQuick Label to pre-wrap?
I have a QtQuick Label in a QML file like so:
import QtQuick.Controls 1.3 as Controls
Controls.Label {
id: lbl
text: "This is some <b>bold text</b> with extra white ...
- 75.2k
0
votes
1
answer
164
views
How can I get the width of each line of text in a label (the last line in particular)?
I have a label in my app that displays multiline text by setting wrapMode: Text.WordWrap. Is there any way to calculate the location (x and y) of the end of the last line of text in the label given a ...
- 75.2k
1
vote
1
answer
987
views
Combobox doesn't open popup if MouseArea is above it
I have a listview with a delegate that has MouseArea covering the whole of a delegate. In that MouseArea's onClick slot I specifically set
mouse.accepted = false
but the Combobox from QtQuick....
- 2,365
4
votes
2
answers
11k
views
Which module to install to fix "module QtQuick.Controls.Styles is not installed" error for Yocto?
I've successfully built a Yocto image for the RPi2 following this tutorial. I decided to expand the QML demo and try some of the Qt quick styles (import QtQuick.Controls.Styles 1.4).
Here is the bb ...
- 9,581
6
votes
1
answer
11k
views
Error when trying to import QuickControls
I want to make a project with Cmake in Ubuntu.
My CMakeList is:
cmake_minimum_required(VERSION 2.8.3)
project(client_ros)
find_package(catkin REQUIRED COMPONENTS
roscpp
std_msgs
qt_build
)
...
- 71
0
votes
1
answer
484
views
how i can bind qtquick button control in pyqt5
Hello how i can bind a qtquick button in pyqt5, i have two file one for qml and one for python now i want that the button should do something for example just print something so how i can bind now,
...
- 111
15
votes
3
answers
9k
views
QML - Cannot assign to non-existent property "style"
I'm using Qt 5.10.1 with Qt Creator 4.5.1 and the style property is never available in elements.
For example, as shown here ButtonStyle QML Type , I would like to do:
Button {
text: "A button"
...
- 1,046