refs #741, allow to discard settings

(not saving, but continue closing)

src/blackcore/application.h

@@ -182,7 +182,7 @@ namespace BlackCore
         //! Automatically and always save settings
         void setSettingsAutoSave(bool autoSave);
 
-        //! All unsave settings
+        //! All unsaved settings
         QStringList getAllUnsavedSettings() const;
 
         //! Save all settings

src/blackgui/components/applicationclosedialog.cpp

@@ -15,6 +15,8 @@
 #include "blackmisc/logmessage.h"
 #include <QStringListModel>
 #include <QModelIndexList>
+#include <QDialogButtonBox>
+#include <QPushButton>
 
 using namespace BlackMisc;
 using namespace BlackGui;
@@ -30,7 +32,11 @@ namespace BlackGui
             ui->setupUi(this);
             this->setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);
             this->initSettingsView();
+            ui->bb_ApplicationCloseDialog->button(QDialogButtonBox::Save)->setDefault(true);
+
             connect(this, &CApplicationCloseDialog::accepted, this, &CApplicationCloseDialog::ps_onAccepted);
+            connect(this, &CApplicationCloseDialog::rejected, this, &CApplicationCloseDialog::ps_onRejected);
+            connect(ui->bb_ApplicationCloseDialog, &QDialogButtonBox::clicked, this, &CApplicationCloseDialog::ps_buttonClicked);
         }
 
         CApplicationCloseDialog::~CApplicationCloseDialog()
@@ -38,7 +44,7 @@ namespace BlackGui
 
         void CApplicationCloseDialog::ps_onAccepted()
         {
-            QModelIndexList indexes = ui->lv_UnsavedSettings->selectionModel()->selectedIndexes();
+            const QModelIndexList indexes = ui->lv_UnsavedSettings->selectionModel()->selectedIndexes();
             if (indexes.isEmpty()) { return; }
             const QList<int> rows = CGuiUtility::indexToUniqueRows(indexes);
             QStringList saveKeys;
@@ -51,6 +57,20 @@ namespace BlackGui
             if (msg.isFailure()) { CLogMessage::preformatted(msg); }
         }
 
+        void CApplicationCloseDialog::ps_onRejected()
+        {
+            // void
+        }
+
+        void CApplicationCloseDialog::ps_buttonClicked(QAbstractButton *button)
+        {
+            if (button == ui->bb_ApplicationCloseDialog->button(QDialogButtonBox::Discard))
+            {
+                ui->lv_UnsavedSettings->clearSelection();
+                this->accept(); // fake accept with unselected items
+            }
+        }
+
         void CApplicationCloseDialog::initSettingsView()
         {
             QStringList settings(CSettingsCache::instance()->getAllUnsavedKeys());

src/blackgui/components/applicationclosedialog.h

@@ -14,6 +14,7 @@
 
 #include <QDialog>
 #include <QScopedPointer>
+#include <QAbstractButton>
 
 namespace Ui { class CApplicationCloseDialog; }
 namespace BlackGui
@@ -38,6 +39,12 @@ namespace BlackGui
             //! Accepted
             void ps_onAccepted();
 
+            //! Rejected
+            void ps_onRejected();
+
+            //! Button pressed
+            void ps_buttonClicked(QAbstractButton *button);
+
         private:
             QScopedPointer<Ui::CApplicationCloseDialog> ui;
             QStringList m_settingskeys;

src/blackgui/components/applicationclosedialog.ui

@@ -49,7 +49,7 @@
       <enum>Qt::Horizontal</enum>
      </property>
      <property name="standardButtons">
-      <set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
+      <set>QDialogButtonBox::Abort|QDialogButtonBox::Discard|QDialogButtonBox::Save</set>
      </property>
     </widget>
    </item>