remove all whatsthis button in dialog's titlebar

RedPandaIDE/settingsdialog/settingsdialog.cpp

@@ -65,6 +65,7 @@ SettingsDialog::SettingsDialog(QWidget *parent) :
     QDialog(parent),
     ui(new Ui::SettingsDialog)
 {
+    setWindowFlag(Qt::WindowContextHelpButtonHint,false);
     ui->setupUi(this);
 
     ui->widgetsView->setModel(&model);

RedPandaIDE/widgets/aboutdialog.cpp

@@ -24,6 +24,7 @@ AboutDialog::AboutDialog(QWidget *parent) :
     QDialog(parent),
     ui(new Ui::AboutDialog)
 {
+    setWindowFlag(Qt::WindowContextHelpButtonHint,false);
     ui->setupUi(this);
     ui->lblTitle->setText(ui->lblTitle->text() + tr("Version: ") + REDPANDA_CPP_VERSION);
 

RedPandaIDE/widgets/cpudialog.cpp

@@ -29,6 +29,7 @@ CPUDialog::CPUDialog(QWidget *parent) :
     ui(new Ui::CPUDialog)
 {
     setWindowFlags(windowFlags() | Qt::WindowMinimizeButtonHint | Qt::WindowMaximizeButtonHint);
+    setWindowFlag(Qt::WindowContextHelpButtonHint,false);
     ui->setupUi(this);
     ui->txtCode->setHighlighter(highlighterManager.getCppHighlighter());
     ui->txtCode->setReadOnly(true);

RedPandaIDE/widgets/newclassdialog.cpp

@@ -8,6 +8,7 @@ NewClassDialog::NewClassDialog(QWidget *parent) :
     QDialog(parent),
     ui(new Ui::NewClassDialog)
 {
+    setWindowFlag(Qt::WindowContextHelpButtonHint,false);
     ui->setupUi(this);
     resize(pSettings->ui().newClassDialogWidth(),pSettings->ui().newClassDialogHeight());
     updateIcons();

RedPandaIDE/widgets/newheaderdialog.cpp

@@ -9,6 +9,7 @@ NewHeaderDialog::NewHeaderDialog(QWidget *parent) :
     QDialog(parent),
     ui(new Ui::NewHeaderDialog)
 {
+    setWindowFlag(Qt::WindowContextHelpButtonHint,false);
     ui->setupUi(this);
     resize(pSettings->ui().newHeaderDialogWidth(),pSettings->ui().newHeaderDialogHeight());
     updateIcons();

RedPandaIDE/widgets/newprojectdialog.cpp

@@ -29,6 +29,7 @@ NewProjectDialog::NewProjectDialog(QWidget *parent) :
     QDialog(parent),
     ui(new Ui::NewProjectDialog)
 {
+    setWindowFlag(Qt::WindowContextHelpButtonHint,false);
     ui->setupUi(this);
     mTemplatesTabBar = new QTabBar(this);
     mTemplatesTabBar->setExpanding(false);

RedPandaIDE/widgets/searchdialog.cpp

@@ -32,6 +32,7 @@ SearchDialog::SearchDialog(QWidget *parent) :
     ui(new Ui::SearchDialog),
     mSearchEngine()
 {
+    setWindowFlag(Qt::WindowContextHelpButtonHint,false);
     ui->setupUi(this);
     mTabBar = new QTabBar();
     mTabBar->addTab(tr("Find"));