UIComponent | Write UI in crazy speed , with great perf & no limitations | User Interface library
kandi X-RAY | UIComponent Summary
kandi X-RAY | UIComponent Summary
Write UI in crazy speed, with great perf & no limitations.
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QUESTION
ANSWER
Answered 2021-Jun-10 at 14:18The "main" problem is that you're adding the label over the dial, so it won't be able to receive mouse events.
A theoretical solution could be to use label_1.setAttribute(Qt.WA_TransparentForMouseEvents)
, but that won't be a good idea, for the following reasons:
- widget geometries should normally be managed by a layout manager, so you cannot rely on a "guess" done by trial and error: as soon as the window is resized, all geometries will change and you'll end up with a floating circle that will make everything worse;
- even assuming you get the positioning right by intercepting the resize event with an event filter, you'd need to manually reset the stylesheet everytime and ensure that it's properly aligned, but that cannot be guaranteed because different size policies and other widgets could change the final radius of the dial;
- what you see on your screen is almost never what users will see in theirs, due to lots of reasons including the current OS and QStyle in use; see the following screenshots taken with 3 Qt common styles (Breeze, Oxygen and Windows):
Unfortunately, QDial has never received lots of care from developers, as it's a scarcely used widget that is hard to implement for custom usage. As such, it doesn't support many any appearance features, and there's also no stylesheet configuration.
If you want to change the look of the dial, the only safe possibility is to subclass it, override its paintEvent()
and paint it on your own.
QUESTION
I have a Problem. I started learning PyQt5 and I want to make a calculator. So I learned how to passionate my Widgets with QGridLayout, but I can't change the sizes of Widgets. Some widgets are bigger than others and I do not understand that. I tried with different methods like (resize, setGeometry) and it didn't work. I also want to resize my QLineEdit variable, but I can't. Here is the code and a picture of my problem:
...ANSWER
Answered 2021-Apr-30 at 12:01Choose an appropriate column span when adding a widget to a grid layout:
QUESTION
I'm having trouble making a card that has a transparent white color (opacity 0.4). But, with shadow from the elevation effect.
If I remove the elevation, there's no shadow effect and the card look transparent. But, if I add some elevation, the transparent effect ruined. Here's what I've tried:
...ANSWER
Answered 2021-Apr-29 at 10:16Hii Christophorus Anindityo N
Make a class for BoxShadow property of container.
QUESTION
Good Morning,Im new in jsf,Im tring to put into the datagrid the product that belong to a Marca(Brand) passed by a viewparam this is some jsf code
...ANSWER
Answered 2021-Apr-18 at 11:20If you are using rowsPerPageTemplate="6,12,16"
, then rows="22"
is indeed invalid as 22
is not one of the rowsPerPageTemplate
values. Change either attribute so the values match.
QUESTION
I have an InputStream
received from an API request to show in a p:graphicImage
like that
ANSWER
Answered 2021-Mar-31 at 10:08I solved it by updating the version of primefaces to 8.0
QUESTION
I try to validate a p:selectOneMenu
using the validator attribute, but in the validate method the value of object is null. I don´t understand why it is null, somebody could help me. I´m using PrimeFaces 6.2.
My xhtml is:
...ANSWER
Answered 2021-Mar-31 at 05:46Your value is null
, so you cannot apply .toString()
. Use something like:
QUESTION
I want to use OmniFaces @Param on a view controller annotated with a custom CDI interceptor:
...ANSWER
Answered 2021-Mar-20 at 12:40It was a bug in OmniFaces @Param
which manifested since version 3.6 during the work to remove the @Inject
requirement from the @Param
. It didn't work properly when the managed bean is proxied as an interceptor target. The Object#getClass()
of the managed bean returned the proxied class and the BeanManager#resolve()
couldn't find a Bean
for this proxied class and returned null
. This unexpected condition eventually resulted in a NullPointerException
while performing bean validation.
It has been fixed as per issue 624 which will be available in OmniFaces 3.11 and 4.0-M8.
In the meantime, a work around is to add back the @Inject
to your @Param
.
QUESTION
getRouter: function () {
return UIComponent.getRouterFor(this);
},
onInit: function () {
firebase.auth().onAuthStateChanged((user) => {
if (!user) {
this.getRouter().navTo("login");
}
});
}
...ANSWER
Answered 2021-Mar-18 at 16:42The correct event to listen for is patternMatched
This is an example of how to protect a single route called "myProtectedRoute":
QUESTION
I want to reuse this bock of code for multiple fields
...ANSWER
Answered 2021-Feb-27 at 07:04If You can create extension for UIViewController
and simply go with below snippet and avoid number of code lines.
QUESTION
How do I define a jsf composite component properly such that its value gets bean-validated correctly in the case it contains a collection?
We have an entity that references a collection of details. Both are annotated with bean-validation-constraints. Please note the annotations at the details
-property.
ANSWER
Answered 2021-Feb-19 at 14:04After diving into this a bit we endet up with a solution using a backing component ValidateListComponent
. It was inspired by UIValidateWholeBean
and WholeBeanValidator
.
That component extends from UIInput
and overrides the validation-Methods to operate on a clone of the above details
-collection which gets populated with the already validated values of the children-UIInput
. Seems to work for now.
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