#5383 Double-click on column separator in data view now supports resizing all selected columns at once.

Author: Paweł Salawa

ChangeLog.md

@@ -25,6 +25,7 @@
 - ADDED: #5150 Added the Disable Blinkinig Cursor (for SQL Editor) option in the configuration dialog.
 - ADDED: #4232 Application will warn in status field if the open database was recently edited by a higher version of SQLite and that it may potentially cause some issues.
 - ADDED: #5552 Support for new syntax variants of ALTER TABLE.
+- ADDED: #5383 Double-click on column separator in data view now supports resizing all selected columns at once.
 - ADDED: #5566 Added Columns node to Views in Database List.
 - ADDED: #5570 In Configuration dialog the Reset To Defaults button was added for hotkeys page.
 - ADDED: #3934 Windows executables in the official release are now signed thanks to the SignPath.io.

SQLiteStudio3/guiSQLiteStudio/datagrid/sqlqueryview.cpp

@@ -29,6 +29,7 @@
 #include <QCryptographicHash>
 #include <QMessageBox>
 #include <QScrollBar>
+#include <QScopedValueRollback>
 #include <services/pluginmanager.h>
 #include <multieditor/multieditorwidgetplugin.h>
 
@@ -1293,6 +1294,7 @@ size_t qHash(SqlQueryView::Action action)
 SqlQueryView::Header::Header(SqlQueryView* parent) :
     QHeaderView(Qt::Horizontal, parent)
 {
+    connect(this, &QHeaderView::sectionResized, this, &SqlQueryView::Header::handleSectionResize);
 }
 
 QSize SqlQueryView::Header::sectionSizeFromContents(int section) const
@@ -1320,5 +1322,47 @@ void SqlQueryView::Header::mousePressEvent(QMouseEvent *e)
         }
     }
 
+    if (e->button() == Qt::LeftButton)
+    {
+        lastSectionSizes.clear();
+        int sectionCount = count();
+        for (int i = 0; i < sectionCount; i++)
+            lastSectionSizes[i] = sectionSize(i);
+    }
+
     QHeaderView::mousePressEvent(e);
 }
+
+void SqlQueryView::Header::mouseDoubleClickEvent(QMouseEvent* e)
+{
+    dblClickResizing = true;
+    QHeaderView::mouseDoubleClickEvent(e);
+    dblClickResizing = false;
+}
+
+void SqlQueryView::Header::handleSectionResize(int logicalIndex, int oldSize, int newSize)
+{
+    Q_UNUSED(oldSize);
+    Q_UNUSED(newSize);
+
+    if (ignoreResizing)
+        return;
+
+    QScopedValueRollback scopedIgnore(ignoreResizing, true);
+
+    SqlQueryView* view = qobject_cast<SqlQueryView*>(parentWidget());
+    QList<int> cols = view->selectionModel()->selectedColumns() | MAP(idx, {return idx.column();});
+    if (cols.size() <= 1 || !cols.contains(logicalIndex))
+        return;
+
+    if (dblClickResizing)
+    {
+        for (int col : cols)
+        {
+            if (col == logicalIndex)
+                continue;
+
+            view->resizeColumnToContents(col);
+        }
+    }
+}

SQLiteStudio3/guiSQLiteStudio/datagrid/sqlqueryview.h

@@ -36,7 +36,7 @@ CFG_KEY_LIST(SqlQueryView, QObject::tr("Data grid view"),
     CFG_KEY_ENTRY(DELETE_ROW,        Qt::Key_Delete,                          QObject::tr("Delete selected data row"))
     CFG_KEY_ENTRY(INSERT_ROW,        Qt::Key_Insert,                          QObject::tr("Insert new data row"))
     CFG_KEY_ENTRY(OPEN_VALUE_EDITOR, Qt::Key_F4,                              QObject::tr("Open contents of selected cell in a separate editor"))
-    CFG_KEY_ENTRY(ADJUST_ROWS_SIZE,  Qt::ALT | Qt::ALT | Qt::Key_H,           QObject::tr("Toggle the height adjustment of rows"))
+    CFG_KEY_ENTRY(ADJUST_ROWS_SIZE,  Qt::ALT | Qt::Key_Z,                     QObject::tr("Toggle the height adjustment of rows"))
     CFG_KEY_ENTRY(INCR_FONT_SIZE,    Qt::CTRL | Qt::Key_Plus,                 QObject::tr("Increase font size", "data view"))
     CFG_KEY_ENTRY(DECR_FONT_SIZE,    Qt::CTRL | Qt::Key_Minus,                QObject::tr("Decrease font size", "data view"))
 )
@@ -117,6 +117,14 @@ class GUI_API_EXPORT SqlQueryView : public QTableView, public ExtActionContainer
 
                 QSize sectionSizeFromContents(int section) const;
                 void mousePressEvent(QMouseEvent *e);
+                void mouseDoubleClickEvent(QMouseEvent *e) override;
+
+            private:
+                void handleSectionResize(int logicalIndex, int oldSize, int newSize);
+
+                bool dblClickResizing = false;
+                bool ignoreResizing = false;
+                QHash<int, int> lastSectionSizes;
         };
 
         void init();