Allow columns with percentage width

src/blackgui/views/viewbase.cpp

@@ -545,6 +545,19 @@ namespace BlackGui
             tw->setTabText(index, o);
         }
 
+        template<class T>
+        void CViewBase<T>::setPercentageColumnWidths()
+        {
+            const int width = this->width() - 25; // avoid scrollbars etc, reserve a little space
+            QList<int> widths = this->getColumns().calculateWidths(width);
+            if (widths.isEmpty()) { return; }
+            for (int c = 0; c < this->getColumns().size(); c++)
+            {
+                const int w = widths.at(c);
+                this->setColumnWidth(c, w);
+            }
+        }
+
         template <class T>
         void CViewBase<T>::setSortIndicator()
         {

src/blackgui/views/viewbase.h

@@ -301,6 +301,9 @@ namespace BlackGui
             //! Workaround as of https://stackoverflow.com/q/3433664/356726
             void setForceColumnsToMaxSize(bool force) { m_forceColumnsToMaxSize = force; }
 
+            //! Resize mode
+            void setHorizontalHeaderSectionResizeMode(QHeaderView::ResizeMode mode);
+
             //! Index of the directory we "remember"
             void setSettingsDirectoryIndex(BlackMisc::CDirectories::ColumnIndex directoryIndex) { m_dirSettingsIndex = directoryIndex; }
 
@@ -744,6 +747,10 @@ namespace BlackGui
             //! Set a tab widget text based on row count, filter etc.
             void setTabWidgetViewText(QTabWidget *tw, int index);
 
+            //! Set the widths based on the column percentages
+            //! \sa CColumn::get
+            void setPercentageColumnWidths();
+
         protected:
             ModelClass *m_model = nullptr; //!< corresponding model
 

src/blackgui/views/viewbasenontemplate.cpp

@@ -39,8 +39,7 @@ namespace BlackGui
 {
     namespace Views
     {
-        CViewBaseNonTemplate::CViewBaseNonTemplate(QWidget *parent) :
-            QTableView(parent)
+        CViewBaseNonTemplate::CViewBaseNonTemplate(QWidget *parent) : QTableView(parent)
         {
             this->setContextMenuPolicy(Qt::CustomContextMenu);
             connect(this, &QWidget::customContextMenuRequested, this, &CViewBaseNonTemplate::customMenuRequested);
@@ -186,6 +185,11 @@ namespace BlackGui
             return this->ps_saveJson(selectedOnly, directory);
         }
 
+        void CViewBaseNonTemplate::setHorizontalHeaderSectionResizeMode(QHeaderView::ResizeMode mode)
+        {
+            this->horizontalHeader()->setSectionResizeMode(mode);
+        }
+
         IMenuDelegate *CViewBaseNonTemplate::setCustomMenu(IMenuDelegate *menu, bool nestPreviousMenu)
         {
             if (menu && nestPreviousMenu)