Custom dialog using QMessageBox()

[M., Ronaldo]

Is there a way to replace the end of this function ?

like: "RETURN( oMBox:exec() == QMessageBox_Yes )"

// *---------------------------------------------------------------------------*
// Custom_Dlg( cMsg, cTitle )
// *---------------------------------------------------------------------------*
Function Custom_Dlg( cMsg, cTitle )

  LOCAL oButtonYes
  LOCAL oButtonNo
  LOCAL oMBox := QMessageBox()

  oMBox:setInformativeText( cMsg )
  oMBox:setWindowTitle( cTitle )
  oMBox:setWindowFlags( Qt_Dialog )
  oMBox:setIcon( QMessageBox_Critical )
  oButtonYes := oMBox:addButton( "&1 [Yes]", QMessageBox_YesRole )
  oButtonNo  := oMBox:addButton( "&2 [No]", QMessageBox_NoRole )
  oMBox:setDefaultButton( oButtonYes )

RETURN( oMBox:exec() == 0 )

[Pritpal Bedi]

Hi

Is there a way to replace the end of this function ?

like: "RETURN( oMBox:exec() == QMessageBox_Yes )"

What you mean by "replace" ?

Pritpal Bedi 

[M., Ronaldo]

Hi Pritpal :)

I'm looking for a defalut value, like in a Std_Dlg,
replacing RETURN( oMBox:exec() == 0 ) by a better/elegant code

Sample:

// *---------------------------------------------------------------------------*
// Std_Dlg( cMsg, cTitle )
// *---------------------------------------------------------------------------*
Function Std_Dlg( cMsg, cTitle )

  LOCAL oMBox := QMessageBox()

  oMBox:setInformativeText( cMsg )
  oMBox:setWindowTitle( cTitle )
  oMBox:setWindowFlags( Qt_Dialog )
  oMBox:setIcon( QMessageBox_Critical )

  oMBox:setStandardButtons( QMessageBox_Yes + QMessageBox_No )
  oMBox:setDefaultButton( QMessageBox_Yes )

RETURN( oMBox:exec() == QMessageBox_Yes )

Hi

Is there a way to replace the end of this function ?

like: "RETURN( oMBox:exec() == QMessageBox_Yes )"

[M., Ronaldo]

In a better way, I want the Buttom with QMessageBox_YesRole returning the same value as QMessageBox_Yes


regards

[Pritpal Bedi]

Hi

In a better way, I want the Buttom with QMessageBox_YesRole returning the same value as QMessageBox_Yes

oMBox:exec()  always return a value associated with button defined and pressed.

So you can use 

RETURN  oMBox:exec() == QMessageBox_Yes 

without any issues. 

A simple  experimernt should have given you the correct insight.

Pritpal Bedi

[M., Ronaldo]

Hi Pritpal !

I tryed it before my first message, and is returning 0/1 ( Buttom 1 and 2 )

Regards

[M., Ronaldo]

Then:

RETURN  oMBox:exec() == QMessageBox_Yes

will be always ( False )

[Pritpal Bedi]

Hi 

RETURN  oMBox:exec() == QMessageBox_Yes

will be always ( False )

I re-visited QMessageBox documentation. This class inherits from QDialog.

So :exec() will ever return 0 == ESC or 1 == Some Button Clicked.

You are to trap :buttonClicked(QAbstractButton) signal to know what user clicked.

Pritpal Bedi

[M., Ronaldo]

Hi Pritpal !

Return from :exec()

0 - Buttom 1
1 - Buttom 2
2 - Buttom 3 ( New )

All other actions wil return 2 ( or last buttom number )
Esc, Close, etc


Regards

[M., Ronaldo]

Thanks Pritpal :)

I will use buttonClicked() for better event control

Regards

[Francesco Perillo]

please read qmessagebox docs: exec will return button pressed only if the buttons are standard, otherwise you need to use buttonclicked.

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[M., Ronaldo]

Hi Francesco !

Did you tryed the sample ?

// *---------------------------------------------------------------------------*
// Custom_Dlg( cMsg, cTitle )
// *---------------------------------------------------------------------------*
Function Custom_Dlg( cMsg, cTitle )

  LOCAL oButtonYes
  LOCAL oButtonNo
  LOCAL oMBox := QMessageBox()

  oMBox:setInformativeText( cMsg )
  oMBox:setWindowTitle( cTitle )
  oMBox:setWindowFlags( Qt_Dialog )
  oMBox:setIcon( QMessageBox_Critical )
  oButtonYes := oMBox:addButton( "&1 [Yes]", QMessageBox_YesRole )
  oButtonNo  := oMBox:addButton( "&2 [No]", QMessageBox_NoRole )
  oMBox:setDefaultButton( oButtonYes )

RETURN( oMBox:exec() )

[Francesco Perillo]

Did you tryed the sample ?

No, of course... :-) I was on a mobile

but  I read the docs.  :exec() method is overloaded in QMessageBox so it is not used the one in QDialog as Pritpal said.

From http://harmattan-dev.nokia.com/docs/library/html/qt4/qmessagebox.html#exec

When using a QMessageBox with standard buttons, this functions returns a StandardButton value indicating the standard button that was clicked. When using QMessageBox with custom buttons, this function returns an opaque value; use clickedButton() to determine which button was clicked.

I understand from the samples in the docs that "StandardButton" is when you use:

 msgBox.setStandardButtons(QMessageBox::Save | QMessageBox::Discard | QMessageBox::Cancel);

 msgBox.setDefaultButton(QMessageBox::Save);

 msgbox.exec() returns the button pressed like QMessageBox::Save

Instead, you are using "custom buttons" added with :addButton so :exec() returns an "opaque" value and :clickedButton() must be used, as per docs (samples are in c++ but they may be easily converted to Harbour):

QMessageBox msgBox;
 QPushButton *connectButton = msgBox.addButton(tr("Connect"), QMessageBox::ActionRole);
 QPushButton *abortButton = msgBox.addButton(QMessageBox::Abort);

 msgBox.exec();

 if (msgBox.clickedButton() == connectButton) {
     // connect
 } else if (msgBox.clickedButton() == abortButton) {
     // abort
 }

--

[M., Ronaldo]

Thanks Francesco :)