tdf#170787 Implement matrix creator dialog for Starmath

Dialog is opened through the context menu - formats - matrix and from the elements menu. Change-Id: Ia1043e727d797998798ceb60322c6c42d402dce2 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/198166 Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk> Tested-by: Jenkins
2026-03-19 10:23:17 +01:00
parent 710433d5a6
commit 0c629d277f
12 changed files with 1092 additions and 5 deletions
@@ -44,6 +44,7 @@ $(eval $(call gb_UIConfig_add_uifiles,modules/smath,\
 	starmath/uiconfig/smath/ui/smathsettings \
 	starmath/uiconfig/smath/ui/spacingdialog \
 	starmath/uiconfig/smath/ui/symdefinedialog \
+	starmath/uiconfig/smath/ui/matrixeditor \
 ))

 # vim: set noet sw=4 ts=4:
@@ -502,4 +502,51 @@ public:
    void        SelectChar(sal_Unicode cChar);
 };

+class MatrixCreatorDialog final : public weld::GenericDialogController
+{
+    std::unique_ptr<weld::Button> mxOk;
+    std::unique_ptr<weld::Button> mxCancel;
+    std::unique_ptr<weld::Entry> mxName;
+    std::unique_ptr<weld::SpinButton> mxRows;
+    std::unique_ptr<weld::SpinButton> mxCols;
+    std::unique_ptr<weld::RadioButton> mxUnitMatrix;
+    std::unique_ptr<weld::RadioButton> mxDiagMatrix;
+    std::unique_ptr<weld::RadioButton> mxSymmetricMatrix;
+    std::unique_ptr<weld::RadioButton> mxFullMatrix;
+    std::unique_ptr<weld::TreeView> mxMatrix;
+
+    DECL_LINK(ButtonOkHdl, weld::Button&, void);
+    DECL_LINK(ButtonCancelHdl, weld::Button&, void);
+    DECL_LINK(ModifyHdl, weld::Entry&, void);
+    OUString mOldName;
+    DECL_LINK(SpinButtonModifyHdl, weld::SpinButton&, void);
+    DECL_LINK(RadioButtonModifyHdl, weld::Toggleable&, void);
+    DECL_LINK(MousePressHdl, const MouseEvent&, bool);
+    int mClickedColumn;
+    int mEditedColumn;
+    DECL_LINK(EditingEntryHdl, const weld::TreeIter&, bool);
+    typedef std::pair<const weld::TreeIter&, OUString> IterString;
+    DECL_LINK(EditedEntryHdl, const IterString&, bool);
+
+public:
+    MatrixCreatorDialog(weld::Window *pParent);
+    virtual ~MatrixCreatorDialog() override;
+
+    // Get textual representation of the matrix (including STACK/MATRIX and curly braces
+    OUString getMatrix() const { return mMatrixText; }
+
+private:
+    // Get name to be used for filling the matrix (default is "x")
+    OUString getName() const;
+    // Change number of rows and/or columns
+    void resizeMatrix();
+    // Make matrix diagonal, symmetric, etc.
+    void shapeMatrix();
+    // Build matrix in starmath format
+    OUString buildMatrix() const;
+
+    static constexpr int mMaxCols = 10;
+    OUString mMatrixText;
+};
+
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
@@ -76,4 +76,6 @@ class SfxUInt16Item;
 #define SID_INLINE_EDIT_ENABLE      TypedWhichId<SfxBoolItem>(SID_SMA_START + 131)
 #define SID_SAVE_FORMULA            (SID_SMA_START + 132)

+#define SID_MATRIXEDITOR            (SID_SMA_START + 140)
+
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
@@ -254,6 +254,7 @@ inline constexpr OUString RID_UNDOFORMATNAME = u"Format"_ustr;
 #define RID_BINOMXY             u"binom{<?>}{<?>} "
 #define RID_STACK               u"stack{<?> # <?> # <?>} "
 #define RID_MATRIX              u"matrix{<?> # <?> ## <?> # <?>} "
+#define RID_MATRIX_DIALOG       u".uno:MatrixEditor"
 #define RID_ALIGNLX             u"alignl <?> "
 #define RID_ALIGNCX             u"alignc <?> "
 #define RID_ALIGNRX             u"alignr <?> "
@@ -381,6 +381,24 @@ SfxVoidItem PasteObject SID_PASTEOBJECT
 ]


+SfxVoidItem MatrixEditor SID_MATRIXEDITOR
+()
+[
+    AutoUpdate = FALSE,
+    FastCall = FALSE,
+    ReadOnlyDoc = TRUE,
+    Toggle = FALSE,
+    Container = FALSE,
+    RecordAbsolute = FALSE,
+    RecordPerSet;
+
+    AccelConfig = FALSE,
+    MenuConfig = FALSE,
+    ToolBoxConfig = FALSE,
+    GroupId = SfxGroupId::Edit;
+]
+
+
 SfxVoidItem PrevError SID_PREVERR
 ()
 [
@@ -578,4 +596,4 @@ SfxVoidItem SaveFormula SID_SAVE_FORMULA
    MenuConfig = TRUE,
    ToolBoxConfig = TRUE,
    GroupId = SfxGroupId::View;
-]
+]
@@ -208,6 +208,11 @@ interface FormulaView
        ExecMethod = Execute ;
        StateMethod = GetState ;
    ]
+    SID_MATRIXEDITOR //idlpp ole : no , status : no
+    [
+        ExecMethod = Execute ;
+        StateMethod = NoState ;
+    ]
    SID_DELETE //idlpp ole : no , status : no
    [
        ExecMethod = Execute ;
@@ -405,6 +405,7 @@ const SmElementDescr s_a5FormatsList[] =
    {RID_BINOMXY, RID_BINOMXY_HELP, {}, {}},
    {RID_STACK, RID_STACK_HELP, {}, {}},
    {RID_MATRIX, RID_MATRIX_HELP, {}, {}},
+    {RID_MATRIX_DIALOG, RID_MATRIX_HELP, u"matrix{<?> # <?> ## <?> # <?>} ~ cdot {} cdot {} cdot {}", {}},
 };

 const SmElementDescr s_a5OthersList[] =
@@ -104,9 +104,18 @@ IMPL_LINK(SmElementsPanel, ElementClickHandler, const OUString&, ElementSource,
 {
    if (SmViewShell* pViewSh = GetView())
    {
-        SfxStringItem aInsertCommand(SID_INSERTCOMMANDTEXT, ElementSource);
-        pViewSh->GetViewFrame().GetDispatcher()->ExecuteList(
-            SID_INSERTCOMMANDTEXT, SfxCallMode::RECORD, { &aInsertCommand });
+        if (ElementSource == ".uno:MatrixEditor")
+        {
+            SfxStringItem aInsertCommand(SID_MATRIXEDITOR);
+            pViewSh->GetViewFrame().GetDispatcher()->ExecuteList(
+                SID_MATRIXEDITOR, SfxCallMode::RECORD, { &aInsertCommand });
+        }
+        else
+        {
+            SfxStringItem aInsertCommand(SID_INSERTCOMMANDTEXT, ElementSource);
+            pViewSh->GetViewFrame().GetDispatcher()->ExecuteList(
+                SID_INSERTCOMMANDTEXT, SfxCallMode::RECORD, { &aInsertCommand });
+        }
    }
 }

@@ -2187,4 +2187,352 @@ void SmSymDefineDialog::SelectChar(sal_Unicode cChar)
    UpdateButtons();
 }

+MatrixCreatorDialog::MatrixCreatorDialog(weld::Window* pParent)
+    : GenericDialogController(pParent, "modules/smath/ui/matrixeditor.ui", "MatrixEditor")
+    , mxOk    (m_xBuilder->weld_button("button_ok"))
+    , mxCancel(m_xBuilder->weld_button("button_cancel"))
+    , mxName(m_xBuilder->weld_entry("matrixname"))
+    , mxRows(m_xBuilder->weld_spin_button("num_rows"))
+    , mxCols(m_xBuilder->weld_spin_button("num_cols"))
+    , mxUnitMatrix(m_xBuilder->weld_radio_button("unitmatrix"))
+    , mxDiagMatrix(m_xBuilder->weld_radio_button("diagmatrix"))
+    , mxSymmetricMatrix(m_xBuilder->weld_radio_button("symmatrix"))
+    , mxFullMatrix(m_xBuilder->weld_radio_button("fullmatrix"))
+    , mxMatrix(m_xBuilder->weld_tree_view("matrix"))
+    , mOldName("x")
+    , mClickedColumn(-1)
+    , mEditedColumn(-1)
+    , mMatrixText("MATRIX{ x_11 # x_12 # x_13 ## x_21 # x_22 # x_23 ## x_31 # x_32 # x_33}")
+{
+    mxOk->connect_clicked(LINK(this, MatrixCreatorDialog, ButtonOkHdl));
+    mxCancel->connect_clicked(LINK(this, MatrixCreatorDialog, ButtonCancelHdl));
+    mxName->connect_changed(LINK(this, MatrixCreatorDialog, ModifyHdl));
+    mxCols->connect_value_changed(LINK(this, MatrixCreatorDialog, SpinButtonModifyHdl));
+    mxRows->connect_value_changed(LINK(this, MatrixCreatorDialog, SpinButtonModifyHdl));
+    mxUnitMatrix->connect_toggled(LINK(this, MatrixCreatorDialog, RadioButtonModifyHdl));
+    mxDiagMatrix->connect_toggled(LINK(this, MatrixCreatorDialog, RadioButtonModifyHdl));
+    mxSymmetricMatrix->connect_toggled(LINK(this, MatrixCreatorDialog, RadioButtonModifyHdl));
+    mxFullMatrix->connect_toggled(LINK(this, MatrixCreatorDialog, RadioButtonModifyHdl));
+    mxMatrix->connect_mouse_press(LINK(this, MatrixCreatorDialog, MousePressHdl));
+    mxMatrix->connect_editing(LINK(this, MatrixCreatorDialog, EditingEntryHdl), LINK(this, MatrixCreatorDialog, EditedEntryHdl));
+
+    mxCols->set_value(3);
+    mxRows->set_value(3);
+    mxFullMatrix->set_active(true);
+    resizeMatrix();
+
+    auto xIter = mxMatrix->make_iterator();
+    int row = 1;
+
+    if (mxMatrix->get_iter_first(*xIter))
+    {
+        do
+        {
+            for (size_t col = 0; col < 3; ++col)
+                mxMatrix->set_text(*xIter, "x_" + OUString::number(row) + OUString::number(col + 1), col);
+            ++row;
+        } while (mxMatrix->iter_next(*xIter));
+    }
+
+    shapeMatrix();
+}
+
+MatrixCreatorDialog::~MatrixCreatorDialog()
+{
+}
+
+OUString MatrixCreatorDialog::getName() const
+{
+    OUString result = mxName->get_text();
+    if (result.isEmpty())
+        result = "x";
+    return result;
+}
+void MatrixCreatorDialog::resizeMatrix()
+{
+    OUString name = getName();
+    int rows = mxRows->get_value();
+    int cols = mxCols->get_value();
+    int oldrows = mxMatrix->n_children();
+    int oldcols = 0;
+
+    if (oldrows > 0)
+    {
+        while (oldcols < mMaxCols && mxMatrix->get_sensitive(0, oldcols))
+            ++oldcols;
+    }
+
+    auto xIter = mxMatrix->make_iterator();
+    if (oldrows > 0 && !mxMatrix->get_iter_first(*xIter))
+        return;
+
+    for (int row = 0; row < std::max(rows, oldrows); ++row)
+    {
+        bool newRow = false;
+
+        if (row >= oldrows)
+        {
+            auto xIterAppend = mxMatrix->make_iterator();
+            mxMatrix->append(xIterAppend.get());
+            mxMatrix->copy_iterator(*xIterAppend, *xIter);
+            newRow = true;
+        }
+        else if (row >= rows && row < oldrows)
+        {
+            auto xIterRemove = mxMatrix->make_iterator();
+            mxMatrix->copy_iterator(*xIter, *xIterRemove);
+            mxMatrix->iter_next(*xIter);
+            mxMatrix->remove(*xIterRemove);
+            continue;
+        }
+
+        for (int col = 0; col < std::max(cols, oldcols); ++col)
+        {
+            if (col >= oldcols || newRow)
+            {
+                mxMatrix->set_text(*xIter, name + "_" + OUString::number(row + 1) + (cols > 1 ? OUString::number(col + 1) : OUString("")), col);
+                mxMatrix->set_sensitive(*xIter, true, col);
+                mxMatrix->set_column_visible(col, true);
+            }
+            else if (col >= cols && col < oldcols)
+            {
+                mxMatrix->set_text(*xIter, "", col);
+                mxMatrix->set_sensitive(*xIter, false, col);
+                mxMatrix->set_column_visible(col, false);
+            }
+        }
+
+        mxMatrix->iter_next(*xIter);
+    }
+
+    mxMatrix->columns_autosize();
+
+    // columns_autosize() seems to kill this information
+    std::vector<bool> editableColumns(mMaxCols, true);
+    mxMatrix->set_column_editables(editableColumns);
+
+    for (int col = cols; col < mMaxCols; ++col)
+        mxMatrix->set_column_visible(col, false);
+}
+
+void MatrixCreatorDialog::shapeMatrix()
+{
+    int rows = mxRows->get_value();
+    int cols = mxCols->get_value();
+
+    if (rows != cols)
+        return;
+
+    auto xIter = mxMatrix->make_iterator();
+    int row = 0;
+
+    if (mxMatrix->get_iter_first(*xIter))
+    {
+        do {
+            for (int col = 0; col < cols; ++col)
+            {
+                if (mxUnitMatrix->get_active())
+                {
+                    if (row == col)
+                        mxMatrix->set_text(*xIter, "1", col);
+                    else
+                    {
+                        mxMatrix->set_text(*xIter, "0", col);
+                        mxMatrix->set_sensitive(*xIter, false, col);
+                    }
+                } else if (mxDiagMatrix->get_active())
+                {
+                    if (row != col)
+                    {
+                        mxMatrix->set_text(*xIter, "0", col);
+                        mxMatrix->set_sensitive(*xIter, false, col);
+                    }
+                } else if (mxSymmetricMatrix->get_active())
+                {
+                    if (row > col)
+                    {
+                        mxMatrix->set_text(*xIter, mxMatrix->get_text(col, row), col);
+                        mxMatrix->set_sensitive(*xIter, false, col);
+                    }
+                    else
+                        mxMatrix->set_sensitive(*xIter, true, col);
+                } else if (mxFullMatrix->get_active()) {
+                    mxMatrix->set_sensitive(*xIter, true, col);
+                }
+            }
+
+            ++row;
+        } while (mxMatrix->iter_next(*xIter));
+    }
+
+    mxMatrix->columns_autosize();
+}
+
+OUString MatrixCreatorDialog::buildMatrix() const
+{
+    int rows = mxRows->get_value();
+    int cols = mxCols->get_value();
+
+    bool isVector = (cols == 1);
+    OUString result = (isVector ? OUString("STACK{") : OUString("MATRIX{"));
+
+    for (int row = 0; row < rows; ++row)
+    {
+        for (int col = 0; col < cols; ++col)
+        {
+            result += mxMatrix->get_text(row, col);
+            if (col < cols -1)
+                result += " # ";
+        }
+
+        if (row < rows -1)
+        {
+            // Convert STACK format as column vector
+            if (isVector)
+                result += " # ";
+            else
+                result += " ## ";
+        }
+    }
+
+    return result + "}";
+}
+
+IMPL_LINK_NOARG(MatrixCreatorDialog, ButtonOkHdl, weld::Button&, void)
+{
+    mMatrixText = buildMatrix();
+    m_xDialog->response(RET_OK);
+}
+
+IMPL_LINK_NOARG(MatrixCreatorDialog, ButtonCancelHdl, weld::Button&, void)
+{
+    // Don't set new mMatrixText, thus result of this dialog is ignored
+    m_xDialog->response(RET_CANCEL);
+}
+
+
+IMPL_LINK(MatrixCreatorDialog, ModifyHdl, weld::Entry&, rEdit, void)
+{
+    OUString newName = rEdit.get_text();
+    if (newName.isEmpty())
+        return; // Happens after backspace, before user types a new character
+    auto xIter = mxMatrix->make_iterator();
+
+    if (mxMatrix->get_iter_first(*xIter))
+    {
+        do
+        {
+            for (sal_Int64 col = 0; col < mxCols->get_value(); ++col)
+            {
+                OUString oldText = mxMatrix->get_text(*xIter, col);
+                if (oldText.startsWith(mOldName))
+                    mxMatrix->set_text(*xIter, newName + oldText.subView(mOldName.getLength()), col);
+            }
+        } while (mxMatrix->iter_next(*xIter));
+    }
+
+    mOldName = newName;
+}
+
+IMPL_LINK_NOARG(MatrixCreatorDialog, SpinButtonModifyHdl, weld::SpinButton&, void)
+{
+    resizeMatrix();
+    shapeMatrix(); // Matrix may have become square so that one of the radio buttons takes effect
+}
+
+IMPL_LINK_NOARG(MatrixCreatorDialog, RadioButtonModifyHdl, weld::Toggleable&, void)
+{
+    shapeMatrix();
+}
+
+namespace {
+// Note: The mouse event coordinates are relative to the treeview
+int getClickedCell(std::unique_ptr<weld::TreeView>& treeview, const MouseEvent& rMEvt, weld::TreeIter& rIter, const int lastColumn) {
+    Point mousePos = rMEvt.GetPosPixel();
+    int column = -1;
+    bool found = false;
+
+    if (treeview->get_iter_first(rIter))
+    {
+        do
+        {
+            tools::Rectangle rowArea = treeview->get_row_area(rIter);
+            if ((found = rowArea.Contains(mousePos)))
+                break;
+        } while (treeview->iter_next(rIter));
+    }
+    else
+        return -1; // User clicked somewhere else
+    if (!found)
+        return -1;
+
+    for (int col = -1; col < lastColumn; ++col)
+    {
+        tools::Rectangle cellArea = treeview->get_cell_area(rIter, col);
+        if (cellArea.Contains(mousePos))
+        {
+            column = col;
+            break;
+        }
+    }
+
+    return column;
+}
+}
+
+IMPL_LINK(MatrixCreatorDialog, MousePressHdl, const MouseEvent&, rMEvt, bool)
+{
+    if (mEditedColumn > 0)
+        return false; // Ignore mouse clicks when a cell is being edited
+
+    auto xIter = mxMatrix->make_iterator();
+    mClickedColumn = getClickedCell(mxMatrix, rMEvt, *xIter, mxCols->get_value());
+
+    return false; // We don't handle the mouse click, just find the column
+}
+
+IMPL_LINK_NOARG(MatrixCreatorDialog, EditingEntryHdl, const weld::TreeIter&, bool)
+{
+    mEditedColumn = mClickedColumn;
+    return true;
+}
+
+IMPL_LINK(MatrixCreatorDialog, EditedEntryHdl, const IterString&, rIterString, bool)
+{
+    if (mEditedColumn < 0)
+        return false; // Sometimes there is a double call and since we set mEditedColumn to -1 at the end we can avoid that
+
+    if (mxSymmetricMatrix->get_active() && mClickedColumn >= 0 && mClickedColumn < mxCols->get_value())
+    {
+        auto xIter = mxMatrix->make_iterator();
+        int clickedRow = 0;
+        if (!mxMatrix->get_iter_first(*xIter))
+            return true;
+
+        // Which row number did the click occur in?
+        while (mxMatrix->iter_compare(*xIter, rIterString.first) != 0)
+        {
+            ++clickedRow;
+            if (!mxMatrix->iter_next(*xIter))
+                break;
+        }
+
+        // Sort of complicated, because set_text(row, column, value) seems to have no effect
+        int row = 0;
+        mxMatrix->get_iter_first(*xIter);
+        while (row < mClickedColumn)
+        {
+            mxMatrix->iter_next(*xIter);
+            ++row;
+        }
+
+        mxMatrix->set_text(*xIter, rIterString.second, clickedRow);
+    }
+
+    mxMatrix->set_text(rIterString.first, rIterString.second, mEditedColumn); // Required for EditingCanceledHdl()
+
+    mEditedColumn = -1;
+    return true;
+}
+
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
@@ -1531,6 +1531,42 @@ void SmViewShell::Execute(SfxRequest& rReq)
            }
            break;

+        case SID_MATRIXEDITOR:
+        {
+            auto pMatrixCreatorDialog = std::make_unique<MatrixCreatorDialog>(rReq.GetFrameWeld());
+
+            if (pMatrixCreatorDialog->run() == RET_OK)
+            {
+                OUString result = pMatrixCreatorDialog->getMatrix();
+
+                ESelection eSelection = pWin->GetSelection();
+                eSelection.Adjust();
+
+                auto pEngine = pWin->GetEditEngine();
+                OUString sText;
+
+                for (sal_Int32 p = 0; p < pEngine->GetParagraphCount(); ++p)
+                {
+                    if (p == eSelection.start.nPara)
+                    {
+                        OUString pText = pEngine->GetText(p);
+                        sText += pText.replaceAt(eSelection.start.nIndex,
+                                                 eSelection.end.nIndex - eSelection.start.nIndex,
+                                                 result)
+                                 + "\n";
+                    }
+                    else
+                        sText += pEngine->GetText(p) + "\n";
+                }
+
+                GetDoc()->SetText(sText);
+                SetStatusText(OUString());
+                ShowError(nullptr);
+                GetDoc()->Repaint();
+            }
+        }
+        break;
+
        case SID_DELETE:
            if (IsInlineEditEnabled())
            {
@@ -233,7 +233,7 @@
      <menu:menuitem menu:label="nospace {...}" menu:id=".uno:InsertCommandText?Text:string=nospace {&lt;?&gt;} "/>
      <menu:menuitem menu:label="binom x y" menu:id=".uno:InsertCommandText?Text:string=binom{&lt;?&gt;}{&lt;?&gt;} "/>
      <menu:menuitem menu:label="stack {...}" menu:id=".uno:InsertCommandText?Text:string=stack{&lt;?&gt; # &lt;?&gt; # &lt;?&gt;} "/>
-      <menu:menuitem menu:label="matrix {...}" menu:id=".uno:InsertCommandText?Text:string=matrix{&lt;?&gt; # &lt;?&gt; ## &lt;?&gt; # &lt;?&gt;} "/>
+      <menu:menuitem menu:label="matrix {...}" menu:id=".uno:MatrixEditor"/>
      <menu:menuseparator/>
      <menu:menuitem menu:label="alignl x" menu:id=".uno:InsertCommandText?Text:string=alignl &lt;?&gt; "/>
      <menu:menuitem menu:label="alignc x" menu:id=".uno:InsertCommandText?Text:string=alignc &lt;?&gt; "/>
@@ -0,0 +1,619 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- Generated with glade 3.40.0 -->
+<interface domain="sm">
+  <requires lib="gtk+" version="3.20"/>
+  <object class="GtkAdjustment" id="adjustment_cols">
+    <property name="lower">1</property>
+    <property name="upper">10</property>
+    <property name="value">1</property>
+    <property name="step-increment">1</property>
+    <property name="page-increment">10</property>
+  </object>
+  <object class="GtkAdjustment" id="adjustment_rows">
+    <property name="lower">1</property>
+    <property name="upper">100</property>
+    <property name="value">3</property>
+    <property name="step-increment">1</property>
+    <property name="page-increment">10</property>
+  </object>
+  <object class="GtkListStore" id="matrixmodel">
+    <columns>
+      <!-- column-name 1 -->
+      <column type="gchararray"/>
+      <!-- column-name 2 -->
+      <column type="gchararray"/>
+      <!-- column-name 3 -->
+      <column type="gchararray"/>
+      <!-- column-name 4 -->
+      <column type="gchararray"/>
+      <!-- column-name 5 -->
+      <column type="gchararray"/>
+      <!-- column-name 6 -->
+      <column type="gchararray"/>
+      <!-- column-name 7 -->
+      <column type="gchararray"/>
+      <!-- column-name 8 -->
+      <column type="gchararray"/>
+      <!-- column-name 9 -->
+      <column type="gchararray"/>
+      <!-- column-name 10 -->
+      <column type="gchararray"/>
+      <!-- column-name id -->
+      <column type="gchararray"/>
+      <!-- column-name weight1 -->
+      <column type="gint"/>
+      <!-- column-name weight2 -->
+      <column type="gint"/>
+      <!-- column-name weight3 -->
+      <column type="gint"/>
+      <!-- column-name weight4 -->
+      <column type="gint"/>
+      <!-- column-name weight5 -->
+      <column type="gint"/>
+      <!-- column-name weight6 -->
+      <column type="gint"/>
+      <!-- column-name weight7 -->
+      <column type="gint"/>
+      <!-- column-name weight8 -->
+      <column type="gint"/>
+      <!-- column-name weight9 -->
+      <column type="gint"/>
+      <!-- column-name weight10 -->
+      <column type="gint"/>
+      <!-- column-name sensitive1 -->
+      <column type="gboolean"/>
+      <!-- column-name sensitive2 -->
+      <column type="gboolean"/>
+      <!-- column-name sensitive3 -->
+      <column type="gboolean"/>
+      <!-- column-name sensitive4 -->
+      <column type="gboolean"/>
+      <!-- column-name sensitive5 -->
+      <column type="gboolean"/>
+      <!-- column-name sensitive6 -->
+      <column type="gboolean"/>
+      <!-- column-name sensitive7 -->
+      <column type="gboolean"/>
+      <!-- column-name sensitive8 -->
+      <column type="gboolean"/>
+      <!-- column-name sensitive9 -->
+      <column type="gboolean"/>
+      <!-- column-name sensitive10 -->
+      <column type="gboolean"/>
+    </columns>
+  </object>
+  <object class="GtkDialog" id="MatrixEditor">
+    <property name="width-request">800</property>
+    <property name="height-request">600</property>
+    <property name="can-focus">False</property>
+    <property name="border-width">6</property>
+    <property name="title" translatable="yes" context="matrixeditor|MatrixEditorDialog">Matrix Editor</property>
+    <property name="type-hint">dialog</property>
+    <child internal-child="vbox">
+      <object class="GtkBox" id="dialog-vbox3">
+        <property name="can-focus">False</property>
+        <property name="margin-start">6</property>
+        <property name="margin-end">6</property>
+        <property name="margin-top">6</property>
+        <property name="margin-bottom">6</property>
+        <property name="hexpand">True</property>
+        <property name="orientation">vertical</property>
+        <property name="spacing">12</property>
+        <child internal-child="action_area">
+          <object class="GtkButtonBox" id="dialog-action_area3">
+            <property name="can-focus">False</property>
+            <property name="layout-style">end</property>
+            <child>
+              <object class="GtkButton" id="button_ok">
+                <property name="label" translatable="yes" context="stock">_OK</property>
+                <property name="visible">True</property>
+                <property name="can-focus">True</property>
+                <property name="can-default">True</property>
+                <property name="has-default">True</property>
+                <property name="receives-default">True</property>
+                <property name="use-underline">True</property>
+              </object>
+              <packing>
+                <property name="expand">False</property>
+                <property name="fill">True</property>
+                <property name="position">0</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="button_cancel">
+                <property name="label" translatable="yes" context="stock">_Cancel</property>
+                <property name="visible">True</property>
+                <property name="can-focus">True</property>
+                <property name="can-default">True</property>
+                <property name="has-default">True</property>
+                <property name="receives-default">True</property>
+                <property name="use-underline">True</property>
+              </object>
+              <packing>
+                <property name="expand">False</property>
+                <property name="fill">True</property>
+                <property name="position">1</property>
+              </packing>
+            </child>
+            <child>
+              <placeholder/>
+            </child>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">True</property>
+            <property name="pack-type">end</property>
+            <property name="position">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox">
+            <property name="visible">True</property>
+            <property name="can-focus">False</property>
+            <property name="spacing">24</property>
+            <child>
+              <object class="GtkFrame">
+                <property name="visible">True</property>
+                <property name="can-focus">False</property>
+                <property name="halign">start</property>
+                <property name="valign">start</property>
+                <property name="margin-start">12</property>
+                <property name="margin-top">6</property>
+                <property name="label-xalign">0</property>
+                <property name="shadow-type">none</property>
+                <child>
+                  <!-- n-columns=2 n-rows=7 -->
+                  <object class="GtkGrid">
+                    <property name="visible">True</property>
+                    <property name="can-focus">False</property>
+                    <property name="halign">start</property>
+                    <property name="margin-start">12</property>
+                    <property name="margin-top">6</property>
+                    <property name="row-spacing">3</property>
+                    <property name="column-spacing">6</property>
+                    <child>
+                      <object class="GtkLabel" id="label_columns">
+                        <property name="visible">True</property>
+                        <property name="can-focus">False</property>
+                        <property name="halign">start</property>
+                        <property name="label" translatable="yes" context="matrixeditor|Columns">Columns:</property>
+                        <accessibility>
+                          <relation type="label-for" target="num_cols"/>
+                        </accessibility>
+                      </object>
+                      <packing>
+                        <property name="left-attach">0</property>
+                        <property name="top-attach">2</property>
+                      </packing>
+                    </child>
+                    <child>
+                      <object class="GtkSpinButton" id="num_cols">
+                        <property name="visible">True</property>
+                        <property name="can-focus">True</property>
+                        <property name="halign">start</property>
+                        <property name="valign">start</property>
+                        <property name="max-width-chars">2</property>
+                        <property name="text">2</property>
+                        <property name="adjustment">adjustment_cols</property>
+                        <property name="climb-rate">1</property>
+                        <property name="value">1</property>
+                        <accessibility>
+                          <relation type="labelled-by" target="label_columns"/>
+                        </accessibility>
+                      </object>
+                      <packing>
+                        <property name="left-attach">1</property>
+                        <property name="top-attach">2</property>
+                      </packing>
+                    </child>
+                    <child>
+                      <object class="GtkLabel" id="label_rows">
+                        <property name="visible">True</property>
+                        <property name="can-focus">False</property>
+                        <property name="halign">start</property>
+                        <property name="label" translatable="yes" context="matrixeditor|Rows">Rows:</property>
+                        <accessibility>
+                          <relation type="label-for" target="num_rows"/>
+                        </accessibility>
+                      </object>
+                      <packing>
+                        <property name="left-attach">0</property>
+                        <property name="top-attach">1</property>
+                      </packing>
+                    </child>
+                    <child>
+                      <object class="GtkSpinButton" id="num_rows">
+                        <property name="visible">True</property>
+                        <property name="can-focus">True</property>
+                        <property name="halign">start</property>
+                        <property name="valign">start</property>
+                        <property name="hexpand">True</property>
+                        <property name="max-width-chars">3</property>
+                        <property name="text">3</property>
+                        <property name="adjustment">adjustment_rows</property>
+                        <property name="climb-rate">1</property>
+                        <property name="value">3</property>
+                        <accessibility>
+                          <relation type="labelled-by" target="label_rows"/>
+                        </accessibility>
+                      </object>
+                      <packing>
+                        <property name="left-attach">1</property>
+                        <property name="top-attach">1</property>
+                      </packing>
+                    </child>
+                    <child>
+                      <object class="GtkLabel" id="label_name">
+                        <property name="visible">True</property>
+                        <property name="can-focus">False</property>
+                        <property name="halign">start</property>
+                        <property name="label" translatable="yes" context="matrixeditor|Name">Name:</property>
+                        <accessibility>
+                          <relation type="label-for" target="matrixname"/>
+                        </accessibility>
+                      </object>
+                      <packing>
+                        <property name="left-attach">0</property>
+                        <property name="top-attach">0</property>
+                      </packing>
+                    </child>
+                    <child>
+                      <object class="GtkEntry" id="matrixname">
+                        <property name="visible">True</property>
+                        <property name="can-focus">True</property>
+                        <property name="halign">start</property>
+                        <property name="valign">start</property>
+                        <property name="hexpand">True</property>
+                        <property name="width-chars">5</property>
+                        <property name="text">x</property>
+                        <accessibility>
+                          <relation type="labelled-by" target="label_name"/>
+                        </accessibility>
+                      </object>
+                      <packing>
+                        <property name="left-attach">1</property>
+                        <property name="top-attach">0</property>
+                      </packing>
+                    </child>
+                    <child>
+                      <object class="GtkRadioButton" id="unitmatrix">
+                        <property name="label" translatable="yes" context="matrixeditor|UnitMatrix">Unit matrix</property>
+                        <property name="visible">True</property>
+                        <property name="can-focus">True</property>
+                        <property name="receives-default">False</property>
+                        <property name="margin-start">18</property>
+                        <property name="active">True</property>
+                        <property name="draw-indicator">True</property>
+                        <property name="group">fullmatrix</property>
+                      </object>
+                      <packing>
+                        <property name="left-attach">0</property>
+                        <property name="top-attach">3</property>
+                        <property name="width">2</property>
+                      </packing>
+                    </child>
+                    <child>
+                      <object class="GtkRadioButton" id="diagmatrix">
+                        <property name="label" translatable="yes" context="matrixeditor|DiagonalMatrix">Diagonal matrix</property>
+                        <property name="visible">True</property>
+                        <property name="can-focus">True</property>
+                        <property name="receives-default">False</property>
+                        <property name="margin-start">18</property>
+                        <property name="active">True</property>
+                        <property name="draw-indicator">True</property>
+                        <property name="group">fullmatrix</property>
+                      </object>
+                      <packing>
+                        <property name="left-attach">0</property>
+                        <property name="top-attach">4</property>
+                        <property name="width">2</property>
+                      </packing>
+                    </child>
+                    <child>
+                      <object class="GtkRadioButton" id="symmatrix">
+                        <property name="label" translatable="yes" context="matrixeditor|SymmetrixMatrix">Symmetric matrix</property>
+                        <property name="visible">True</property>
+                        <property name="can-focus">True</property>
+                        <property name="receives-default">False</property>
+                        <property name="margin-start">18</property>
+                        <property name="active">True</property>
+                        <property name="draw-indicator">True</property>
+                        <property name="group">fullmatrix</property>
+                      </object>
+                      <packing>
+                        <property name="left-attach">0</property>
+                        <property name="top-attach">5</property>
+                        <property name="width">2</property>
+                      </packing>
+                    </child>
+                    <child>
+                      <object class="GtkRadioButton" id="fullmatrix">
+                        <property name="label" translatable="yes" context="matrixeditor|FullMatrix">Full matrix</property>
+                        <property name="visible">True</property>
+                        <property name="can-focus">True</property>
+                        <property name="receives-default">False</property>
+                        <property name="margin-start">18</property>
+                        <property name="active">True</property>
+                        <property name="draw-indicator">True</property>
+                      </object>
+                      <packing>
+                        <property name="left-attach">0</property>
+                        <property name="top-attach">6</property>
+                        <property name="width">2</property>
+                      </packing>
+                    </child>
+                  </object>
+                </child>
+                <child type="label">
+                  <object class="GtkLabel">
+                    <property name="visible">True</property>
+                    <property name="can-focus">False</property>
+                    <property name="halign">start</property>
+                    <property name="valign">start</property>
+                    <property name="label" translatable="yes" context="matrixeditor|Properties">Properties</property>
+                    <attributes>
+                      <attribute name="weight" value="bold"/>
+                    </attributes>
+                  </object>
+                </child>
+              </object>
+              <packing>
+                <property name="expand">False</property>
+                <property name="fill">True</property>
+                <property name="position">0</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkScrolledWindow">
+                <property name="width-request">600</property>
+                <property name="visible">True</property>
+                <property name="can-focus">True</property>
+                <property name="hexpand">True</property>
+                <property name="shadow-type">in</property>
+                <child>
+                  <object class="GtkTreeView" id="matrix">
+                    <property name="visible">True</property>
+                    <property name="can-focus">True</property>
+                    <property name="halign">start</property>
+                    <property name="valign">start</property>
+                    <property name="hexpand">True</property>
+                    <property name="vexpand">True</property>
+                    <property name="model">matrixmodel</property>
+                    <property name="headers-visible">False</property>
+                    <property name="enable-search">False</property>
+                    <property name="search-column">0</property>
+                    <property name="show-expanders">False</property>
+                    <property name="enable-grid-lines">both</property>
+                    <property name="enable-tree-lines">True</property>
+                    <child>
+                      <object class="GtkTreeViewColumn" id="col1">
+                        <property name="sizing">autosize</property>
+                        <property name="min-width">75</property>
+                        <property name="title">1</property>
+                        <property name="expand">True</property>
+                        <property name="alignment">0.5</property>
+                        <child>
+                          <object class="GtkCellRendererText" id="text1">
+                            <property name="alignment">center</property>
+                            <property name="editable">True</property>
+                          </object>
+                          <attributes>
+                            <attribute name="sensitive">21</attribute>
+                            <attribute name="text">0</attribute>
+                            <attribute name="weight">11</attribute>
+                          </attributes>
+                        </child>
+                      </object>
+                    </child>
+                    <child>
+                      <object class="GtkTreeViewColumn" id="col2">
+                        <property name="sizing">autosize</property>
+                        <property name="min-width">75</property>
+                        <property name="title">2</property>
+                        <property name="expand">True</property>
+                        <property name="alignment">0.5</property>
+                        <child>
+                          <object class="GtkCellRendererText" id="text2">
+                            <property name="alignment">center</property>
+                            <property name="editable">True</property>
+                          </object>
+                          <attributes>
+                            <attribute name="sensitive">22</attribute>
+                            <attribute name="text">1</attribute>
+                            <attribute name="weight">12</attribute>
+                          </attributes>
+                        </child>
+                      </object>
+                    </child>
+                    <child>
+                      <object class="GtkTreeViewColumn" id="col3">
+                        <property name="sizing">autosize</property>
+                        <property name="min-width">75</property>
+                        <property name="title">3</property>
+                        <property name="expand">True</property>
+                        <property name="alignment">0.5</property>
+                        <child>
+                          <object class="GtkCellRendererText" id="text3">
+                            <property name="alignment">center</property>
+                            <property name="editable">True</property>
+                          </object>
+                          <attributes>
+                            <attribute name="sensitive">23</attribute>
+                            <attribute name="text">2</attribute>
+                            <attribute name="weight">13</attribute>
+                          </attributes>
+                        </child>
+                      </object>
+                    </child>
+                    <child>
+                      <object class="GtkTreeViewColumn" id="col4">
+                        <property name="sizing">autosize</property>
+                        <property name="min-width">75</property>
+                        <property name="title">4</property>
+                        <property name="expand">True</property>
+                        <property name="alignment">0.5</property>
+                        <child>
+                          <object class="GtkCellRendererText" id="text4">
+                            <property name="alignment">center</property>
+                            <property name="editable">True</property>
+                          </object>
+                          <attributes>
+                            <attribute name="sensitive">24</attribute>
+                            <attribute name="text">3</attribute>
+                            <attribute name="weight">14</attribute>
+                          </attributes>
+                        </child>
+                      </object>
+                    </child>
+                    <child>
+                      <object class="GtkTreeViewColumn" id="col5">
+                        <property name="sizing">autosize</property>
+                        <property name="min-width">75</property>
+                        <property name="title">5</property>
+                        <property name="expand">True</property>
+                        <property name="alignment">0.5</property>
+                        <child>
+                          <object class="GtkCellRendererText" id="text5">
+                            <property name="alignment">center</property>
+                            <property name="editable">True</property>
+                          </object>
+                          <attributes>
+                            <attribute name="sensitive">25</attribute>
+                            <attribute name="text">4</attribute>
+                            <attribute name="weight">15</attribute>
+                          </attributes>
+                        </child>
+                      </object>
+                    </child>
+                    <child>
+                      <object class="GtkTreeViewColumn" id="col6">
+                        <property name="sizing">autosize</property>
+                        <property name="min-width">75</property>
+                        <property name="title">6</property>
+                        <property name="expand">True</property>
+                        <property name="alignment">0.5</property>
+                        <child>
+                          <object class="GtkCellRendererText" id="text6">
+                            <property name="alignment">center</property>
+                            <property name="editable">True</property>
+                          </object>
+                          <attributes>
+                            <attribute name="sensitive">26</attribute>
+                            <attribute name="text">5</attribute>
+                            <attribute name="weight">16</attribute>
+                          </attributes>
+                        </child>
+                      </object>
+                    </child>
+                    <child>
+                      <object class="GtkTreeViewColumn" id="col7">
+                        <property name="sizing">autosize</property>
+                        <property name="min-width">75</property>
+                        <property name="title">7</property>
+                        <property name="expand">True</property>
+                        <property name="alignment">0.5</property>
+                        <child>
+                          <object class="GtkCellRendererText" id="text7">
+                            <property name="alignment">center</property>
+                            <property name="editable">True</property>
+                          </object>
+                          <attributes>
+                            <attribute name="sensitive">27</attribute>
+                            <attribute name="text">6</attribute>
+                            <attribute name="weight">17</attribute>
+                          </attributes>
+                        </child>
+                      </object>
+                    </child>
+                    <child>
+                      <object class="GtkTreeViewColumn" id="col8">
+                        <property name="sizing">autosize</property>
+                        <property name="min-width">75</property>
+                        <property name="title">8</property>
+                        <property name="expand">True</property>
+                        <property name="alignment">0.5</property>
+                        <child>
+                          <object class="GtkCellRendererText" id="text8">
+                            <property name="alignment">center</property>
+                            <property name="editable">True</property>
+                          </object>
+                          <attributes>
+                            <attribute name="sensitive">28</attribute>
+                            <attribute name="text">7</attribute>
+                            <attribute name="weight">18</attribute>
+                          </attributes>
+                        </child>
+                      </object>
+                    </child>
+                    <child>
+                      <object class="GtkTreeViewColumn" id="col9">
+                        <property name="sizing">autosize</property>
+                        <property name="min-width">75</property>
+                        <property name="title">9</property>
+                        <property name="expand">True</property>
+                        <property name="alignment">0.5</property>
+                        <child>
+                          <object class="GtkCellRendererText" id="text9">
+                            <property name="alignment">center</property>
+                            <property name="editable">True</property>
+                          </object>
+                          <attributes>
+                            <attribute name="sensitive">29</attribute>
+                            <attribute name="text">8</attribute>
+                            <attribute name="weight">19</attribute>
+                          </attributes>
+                        </child>
+                      </object>
+                    </child>
+                    <child>
+                      <object class="GtkTreeViewColumn" id="col10">
+                        <property name="sizing">autosize</property>
+                        <property name="min-width">75</property>
+                        <property name="title">10</property>
+                        <property name="expand">True</property>
+                        <property name="alignment">0.5</property>
+                        <child>
+                          <object class="GtkCellRendererText" id="text10">
+                            <property name="alignment">center</property>
+                            <property name="editable">True</property>
+                          </object>
+                          <attributes>
+                            <attribute name="sensitive">30</attribute>
+                            <attribute name="text">9</attribute>
+                            <attribute name="weight">20</attribute>
+                          </attributes>
+                        </child>
+                      </object>
+                    </child>
+                  </object>
+                </child>
+              </object>
+              <packing>
+                <property name="expand">False</property>
+                <property name="fill">True</property>
+                <property name="position">1</property>
+              </packing>
+            </child>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">True</property>
+            <property name="position">0</property>
+          </packing>
+        </child>
+        <child>
+          <placeholder/>
+        </child>
+      </object>
+    </child>
+    <action-widgets>
+      <action-widget response="-5">button_ok</action-widget>
+      <action-widget response="-5">button_cancel</action-widget>
+    </action-widgets>
+    <child internal-child="accessible">
+      <object class="AtkObject" id="MatrixEditor-atkobject">
+        <property name="AtkObject::accessible-description" translatable="yes" context="matrixeditor|extended_tip|MatrixEditorDialog">You can edit a vector or a matrix.</property>
+      </object>
+    </child>
+  </object>
+</interface>