How Can I make Clickable Label in My Project

Ketan__Patel__0011

My Baseclass is Mainwindow

i shown some review but they are using QLabel as a Baseclass

i am try to slove this issue using connect() function

help me:

Thanks in Advanced

anil_arise

@Ketan__Patel__0011 Example :
Clickable QLabel

this link will be active for 2 days;
you need to use promote widget after add widget header and class name (**right click options in ui file)

mrjj

Hi
Did you try this sample ?
https://wiki.qt.io/Clickable_QLabel

It will make your own QLabel and then you use that in your MainWindow to click on.

Ketan__Patel__0011

@mrjj i was used this reference It works good But i want to set click-event only particular label

i was used Connect function for any particular label and run my project now i will click any label it will effect each and every label

mrjj

@Ketan__Patel__0011

Well then something went wrong then as it really is pr label.
If you dont connect the label, clicking it will do nothing.

now i will click any label it will effect each and every label

Then there is bug in your code. Connecting one instance of the label
will not affect any other.

Please show the code so we can correct it. :)

Ketan__Patel__0011

@mrjj

I am Take A Three Label, in my ui

****************** My header files like this *********************
#ifndef MAINWINDOW_H
#define MAINWINDOW_H

#include <QMainWindow>
#include <QMouseEvent>
#include <QMessageBox>
#include <QDebug>

namespace Ui {
class MainWindow;
}

class MainWindow : public QMainWindow
{
Q_OBJECT

public:
explicit MainWindow(QWidget *parent = nullptr);
~MainWindow();

private:
Ui::MainWindow *ui;

signals:
void clicked();

protected:
void mousePressEvent(QMouseEvent* event);

};

#endif // MAINWINDOW_H

****************** My Sources file like this *********************

#include "mainwindow.h"
#include "ui_mainwindow.h"

MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::MainWindow)
{
ui->setupUi(this);
connect(ui->label,SIGNAL(clicked()),this,SLOT(mousePressEvent()));
}

MainWindow::~MainWindow()
{
delete ui;
}

void MainWindow::mousePressEvent(QMouseEvent *event)
{
QMessageBox::information(this,"Message","WELCOME");
emit clicked();
}

when i click any label message will be raised

but i want this message for any only label1

please Help Me for slove this problem

SGaist

Hi,

It has absolutely nothing to do with your labels. Wherever you'll click on the MainWindow it will show that message.

If you only what to act on a specific QLabel either make that one use the custom class suggested by @mrjj or use an event filter to act only on that QLabel.

Ketan__Patel__0011

@SGaist no i will just click on label then message is raised

or any other location i clicked that time message will not raised

Christian Ehrlicher

@Ketan__Patel__0011 said in How Can I make Clickable Label in My Project:

no i will just click on label then message is raised

I would dobut that since you connect the qlabel to a slot which is called on every mouse click as explained in the documentation. Use another slot name.

Ketan__Patel__0011

@Christian-Ehrlicher
sir

Can you make One Example For Me ?

plzzz

Christian Ehrlicher

@Ketan__Patel__0011 said in How Can I make Clickable Label in My Project:

Can you make One Example For Me ?

Of what? creating a member function with a different name than 'mousePressEvent()'? What's the problem?

mrjj

Hi
Several things are wrong
If you are using a plain QLabel, it wont have a clicked signal.
Only using the class in the link it will have it. a plain QLabel cannot be clicked.

So lets say you ARE using the new class then this can work.

connect(ui->label,SIGNAL(clicked()),this,SLOT(LabelClicked()));

void MainWindow::LabelClicked()
{
QMessageBox::information(this,"Message","WELCOME");
}

The reason it shows the message anywhere you click currently is due to the fact you added
void MainWindow::mousePressEvent(QMouseEvent *event)
for the MAINWINOW do it will trigger anywhere you click on it.
So its only useful if you where to click anywhere on the whole Mainwindow and not
on any labels.

Ketan__Patel__0011

@mrjj i was write same code in my program but its not worked

mrjj

@Ketan__Patel__0011

Well did you use the ClickableLabel or not ?

Ketan__Patel__0011

@mrjj please Can you share me a Full code of project ?
like Header file as well as source file code

mrjj

@Ketan__Patel__0011

Hi
there is no full project.
the wiki page shows what to put in the .cpp and .h.

However, if its also due to you not understanding how to use it.
I can make you a test project this evening if that helps?

anil_arise

@Ketan__Patel__0011 Example :
Clickable QLabel

this link will be active for 2 days;
you need to use promote widget after add widget header and class name (**right click options in ui file)

Ketan__Patel__0011

@mrjj Hello Sir

i am try for last 2 days but nothing is happening

so plz sir help me

How can you share me a test project of clickable_Label ?

Ketan__Patel__0011

**@anil_arise hey Brother Thank you So much

It really Good Way My Problem is solved

Again Thank You So Much**

Ketan__Patel__0011

@anil_arise Can you share this link again plzzzzz