Focus offers grid on MG select so qty can be typed immediately.

src/ElectronicPharmacy/UserControls/UCPriceList.cs

@@ -741,6 +741,79 @@ namespace Электронная_Фармация.UserControls
                 AppDebugLog.Error("PriceList", "Не удалось применить фильтр наименование+МГ", ex);
                 bsPriceList.RemoveFilter();
             }
+
+            FocusOffersGridForInput();
+        }
+
+        private void FocusOffersGridForInput()
+        {
+            if (!IsHandleCreated)
+            {
+                return;
+            }
+
+            BeginInvoke(new Action(() =>
+            {
+                if (_browseMode != PriceBrowseMode.Offers || !dgvPriceList.Visible)
+                {
+                    return;
+                }
+
+                EnsureOffersRowSelected();
+                dgvPriceList.Focus();
+            }));
+        }
+
+        private bool EnsureOffersRowSelected()
+        {
+            if (_browseMode != PriceBrowseMode.Offers || dgvPriceList.Rows.Count == 0)
+            {
+                return false;
+            }
+
+            if (dgvPriceList.SelectedRows.Count > 0)
+            {
+                return true;
+            }
+
+            for (var i = 0; i < dgvPriceList.Rows.Count; i++)
+            {
+                var row = dgvPriceList.Rows[i];
+                if (row.IsNewRow)
+                {
+                    continue;
+                }
+
+                _suppressPriceListSelectionEvents = true;
+                try
+                {
+                    row.Selected = true;
+                    var columnIndex = GetPreferredOffersSelectionColumnIndex();
+                    if (columnIndex >= 0 && columnIndex < row.Cells.Count)
+                    {
+                        dgvPriceList.CurrentCell = row.Cells[columnIndex];
+                    }
+                }
+                finally
+                {
+                    _suppressPriceListSelectionEvents = false;
+                }
+
+                ShowMePriceWithMarkupPercentForSelectedGood();
+                return true;
+            }
+
+            return false;
+        }
+
+        private int GetPreferredOffersSelectionColumnIndex()
+        {
+            if (dgvPriceList.Columns.Contains("Наименование"))
+            {
+                return dgvPriceList.Columns["Наименование"].Index;
+            }
+
+            return dgvPriceList.Columns.Count > 3 ? 3 : 0;
         }
 
         private void BindOffersTable()
@@ -1481,7 +1554,18 @@ and tempOrder.GoodName = PriceList.GoodName
             int RowIndex = -1;
             string idPriceListItem = string.Empty;
 
-            if (_browseMode == PriceBrowseMode.Offers && dgvPriceList.SelectedRows.Count > 0)
+            if (_browseMode == PriceBrowseMode.Offers)
+            {
+                if (IsOrderQuantityStartKey(e.KeyChar))
+                {
+                    EnsureOffersRowSelected();
+                    if (!dgvPriceList.Focused)
+                    {
+                        dgvPriceList.Focus();
+                    }
+                }
+
+                if (dgvPriceList.SelectedRows.Count > 0)
                 {
                     RowIndex = dgvPriceList.SelectedRows[0].Index;
                     if (RowIndex >= 0
@@ -1491,6 +1575,7 @@ and tempOrder.GoodName = PriceList.GoodName
                         idPriceListItem = dgvPriceList.Rows[RowIndex].Cells[11].Value?.ToString() ?? string.Empty;
                     }
                 }
+            }
 
             if (e.KeyChar == (Char)Keys.Back)
             {
@@ -2117,6 +2202,12 @@ and SumOrderedItems = '{SumOrder}'";
             return builder.ToString();
         }
 
+        private static bool IsOrderQuantityStartKey(char keyChar)
+        {
+            return (keyChar >= (char)Keys.D1 && keyChar <= (char)Keys.D9)
+                || (keyChar >= (char)Keys.NumPad1 && keyChar <= (char)Keys.NumPad9);
+        }
+
         private void dgvPriceList_SelectionChanged(object sender, EventArgs e)
         {
             if (_suppressPriceListSelectionEvents)