More qt6 porting (#2622)

* Port QColor::setNamedColor to QColor::fromString

* Port from QVariant::Type to QmetaType::Type

* KviCoreActions: port from QAction::parentWidget to qobject_cast + QAction::parent

* KviIrcView: port QString::fromUtf16 usage to the non-obsolete char16_t* overload

* KviTopicWidget: port QMouseEvent to a non-obsolete overload

* Port QMouseEvent from old pos(), x(), y(), to position()

* Port obsolete QMessageBox usage to custom buttons

* KviApplication: initialize the dbus notify message "replace ID" to 0

* KviIrcConnection: port deprecated QString::count() to QString::size()

* KvsObject_*: port QColor::setNamedColor to QColor::fromString

* KvsObject_widget: port QWidget::isTopLevel to QWidget::isWindow

* KviMainWindow: use QKeyCombination instead of int for shortcuts

* QHttp: avoid deprecated methods for QCryptographicHash

* ScriptEditorWidget: use the new signature for QMenu::addAction()

* KviInputEditor: Extract ACCEL_KEY from header and avoid warning

* KviStringConversion: convert old Qt5 font weights to new "css" font weights

* syntax fix

1 files changed, 30 insertions, 35 deletions

diff --git a/src/modules/dialog/libkvidialog.cpp b/src/modules/dialog/libkvidialog.cpp
index 5002fff24..67ef91faf 100644
--- a/src/modules/dialog/libkvidialog.cpp
+++ b/src/modules/dialog/libkvidialog.cpp
@@ -67,32 +67,29 @@ KviKvsCallbackMessageBox::KviKvsCallbackMessageBox(
 	setText(szText);
 	setIcon(QMessageBox::NoIcon);
 	setModal(modal);
-	QMessageBox::StandardButtons buttons;
-	bool btn = false;
+
+	m_pYesButton    = nullptr;
+	m_pNoButton     = nullptr;
+	m_pCancelButton = nullptr;
 	if(!szButton0.isEmpty())
 	{
-		btn = true;
-		buttons = QMessageBox::Yes;
+		m_pYesButton = addButton(szButton0, QMessageBox::YesRole);
 	}
 	if(!szButton1.isEmpty())
 	{
-		btn = true;
-		buttons |= QMessageBox::No;
+		m_pNoButton = addButton(szButton1, QMessageBox::NoRole);
+		setEscapeButton(m_pNoButton);
 	}
 	if(!szButton2.isEmpty())
 	{
-		btn = true;
-		buttons |= QMessageBox::Cancel;
+		m_pCancelButton = addButton(szButton2, QMessageBox::RejectRole);
+		setEscapeButton(m_pCancelButton);
 	}
 
-	if(!btn)
-		buttons = QMessageBox::Ok;
-	setStandardButtons(buttons);
-	setDefaultButton(QMessageBox::Yes);
-	if(szButton2.isEmpty())
-		setEscapeButton(QMessageBox::No);
-	else
-		setEscapeButton(QMessageBox::Cancel);
+	if(m_pYesButton == nullptr && m_pNoButton == nullptr && m_pCancelButton == nullptr)
+	{
+		m_pYesButton = addButton("Ok", QMessageBox::YesRole);
+	}
 
 	g_pDialogModuleDialogList->append(this);
 
@@ -109,12 +106,6 @@ KviKvsCallbackMessageBox::KviKvsCallbackMessageBox(
 		else if(KviQString::equalCI(szIcon, "critical"))
 			setIcon(QMessageBox::Critical);
 	}
-	if(!szButton0.isEmpty())
-		setButtonText(QMessageBox::Yes, szButton0);
-	if(!szButton1.isEmpty())
-		setButtonText(QMessageBox::No, szButton1);
-	if(!szButton2.isEmpty())
-		setButtonText(QMessageBox::Cancel, szButton2);
 }
 
 KviKvsCallbackMessageBox::~KviKvsCallbackMessageBox()
@@ -128,21 +119,25 @@ void KviKvsCallbackMessageBox::done(int code)
 
 	kvs_int_t iVal = 0;
 
-	switch(code)
+	if(clickedButton() == m_pYesButton)
 	{
-		case QMessageBox::No:
-			iVal = 1;
-			break;
-		case QMessageBox::Cancel:
+		iVal = 0;
+	}
+	else if(clickedButton() == m_pNoButton)
+	{
+		iVal = 1;
+	}
+	else if(clickedButton() == m_pCancelButton)
+	{
+		iVal = 2;
+	}
+	else
+	{
+		// user closed the dialog, fake an "escape button" press
+		if(m_pCancelButton != nullptr)
 			iVal = 2;
-			break;
-		case 0:
-			// user closed the dialog, fake an "escape button" press
-			if(standardButtons() & QMessageBox::Cancel)
-				iVal = 2;
-			else
-				iVal = 1;
-			break;
+		else
+			iVal = 1;
 	}
 
 	KviKvsVariantList params;