+ // We now need to shift right by the width of any rowspanning cells above-left of us
+ int deltaX = GetRowspanDisplacement(this, j, i, paddingX, colWidths);
+ availableCellSpace.SetX(availableCellSpace.GetX() + deltaX);
+
+ // Lay out cell
+ cell->Invalidate(wxRICHTEXT_ALL);
+ cell->Layout(dc, context, availableCellSpace, availableSpace, style);
+
+ // TODO: use GetCachedSize().x to compute 'natural' size
+
+ x += (availableCellSpace.GetWidth() + paddingX);
+ if ((cell->GetCachedSize().y > maxCellHeight) && (cell->GetRowspan() < 2))
+ maxCellHeight = cell->GetCachedSize().y;
+ }
+ }
+ }
+
+ maxCellHeight = wxMax(maxCellHeight, maxSpecifiedCellHeight);
+
+ for (i = 0; i < m_colCount; i++)
+ {
+ wxRichTextCell* cell = GetCell(j, i);
+ if (cell->IsShown())
+ {
+ wxRect availableCellSpace = wxRect(cell->GetPosition(), wxSize(actualWidths[i], maxCellHeight));
+ // Lay out cell with new height
+ cell->Invalidate(wxRICHTEXT_ALL);
+ cell->Layout(dc, context, availableCellSpace, availableSpace, style);
+
+ // Make sure the cell size really is the appropriate size,
+ // not the calculated box size
+ cell->SetCachedSize(wxSize(actualWidths[i], maxCellHeight));
+
+ maxRight = wxMax(maxRight, cell->GetPosition().x + cell->GetCachedSize().x);
+ }
+ }
+
+ y += maxCellHeight;
+ if (j < (m_rowCount-1))
+ y += paddingY;
+ }
+
+ // Finally we need to expand any cell with rowspan > 1. We couldn't earlier; lower rows' heights weren't known
+ ExpandCellsWithRowspan(this, paddingY, y, dc, context, availableSpace, style);
+
+ // We need to add back the margins etc.
+ {
+ wxRect marginRect, borderRect, contentRect, paddingRect, outlineRect;
+ contentRect = wxRect(wxPoint(0, 0), wxSize(maxRight - availableSpace.x, y - availableSpace.y));
+ GetBoxRects(dc, GetBuffer(), attr, marginRect, borderRect, contentRect, paddingRect, outlineRect);
+ SetCachedSize(marginRect.GetSize());
+ }
+
+ // TODO: calculate max size
+ {
+ SetMaxSize(GetCachedSize());
+ }
+
+ // TODO: calculate min size
+ {
+ SetMinSize(GetCachedSize());
+ }
+
+ // TODO: currently we use either a fixed table width or the parent's size.
+ // We also want to be able to calculate the table width from its content,
+ // whether using fixed column widths or cell content min/max width.
+ // Probably need a boolean flag to say whether we need to stretch cells
+ // to fit the table width, or to simply use min/max cell widths. The
+ // trouble with this is that if cell widths are not specified, they
+ // will be tiny; we could use arbitrary defaults but this seems unsatisfactory.
+ // Anyway, ignoring that problem, we probably need to factor layout into a function
+ // that can can calculate the maximum unconstrained layout in case table size is
+ // not specified. Then LayoutToBestSize() can choose to use either parent size to
+ // constrain Layout(), or the previously-calculated max size to constraint layout.
+
+ return true;
+}
+
+// Finds the absolute position and row height for the given character position
+bool wxRichTextTable::FindPosition(wxDC& dc, wxRichTextDrawingContext& context, long index, wxPoint& pt, int* height, bool forceLineStart)
+{
+ wxRichTextCell* child = GetCell(index+1);
+ if (child)
+ {
+ // Find the position at the start of the child cell, since the table doesn't
+ // have any caret position of its own.
+ return child->FindPosition(dc, context, -1, pt, height, forceLineStart);
+ }
+ else
+ return false;
+}
+
+// Get the cell at the given character position (in the range of the table).
+wxRichTextCell* wxRichTextTable::GetCell(long pos) const
+{
+ int row = 0, col = 0;
+ if (GetCellRowColumnPosition(pos, row, col))
+ {
+ return GetCell(row, col);
+ }
+ else
+ return NULL;
+}
+
+// Get the row/column for a given character position
+bool wxRichTextTable::GetCellRowColumnPosition(long pos, int& row, int& col) const
+{
+ if (m_colCount == 0 || m_rowCount == 0)
+ return false;
+
+ row = (int) (pos / m_colCount);
+ col = pos - (row * m_colCount);
+
+ wxASSERT(row < m_rowCount && col < m_colCount);
+
+ if (row < m_rowCount && col < m_colCount)
+ return true;
+ else
+ return false;
+}
+
+// Calculate range, taking row/cell ordering into account instead of relying
+// on list ordering.
+void wxRichTextTable::CalculateRange(long start, long& end)
+{
+ long current = start;
+ long lastEnd = current;
+
+ if (IsTopLevel())
+ {
+ current = 0;
+ lastEnd = 0;
+ }
+
+ int i, j;
+ for (i = 0; i < m_rowCount; i++)
+ {
+ for (j = 0; j < m_colCount; j++)
+ {
+ wxRichTextCell* child = GetCell(i, j);
+ if (child)
+ {
+ long childEnd = 0;
+
+ child->CalculateRange(current, childEnd);
+
+ lastEnd = childEnd;
+ current = childEnd + 1;
+ }
+ }
+ }
+
+ // A top-level object always has a range of size 1,
+ // because its children don't count at this level.
+ end = start;
+ m_range.SetRange(start, start);
+
+ // An object with no children has zero length
+ if (m_children.GetCount() == 0)
+ lastEnd --;
+ m_ownRange.SetRange(0, lastEnd);
+}
+
+// Gets the range size.
+bool wxRichTextTable::GetRangeSize(const wxRichTextRange& range, wxSize& size, int& descent, wxDC& dc, wxRichTextDrawingContext& context, int flags, const wxPoint& position, const wxSize& parentSize, wxArrayInt* partialExtents) const
+{
+ return wxRichTextBox::GetRangeSize(range, size, descent, dc, context, flags, position, parentSize, partialExtents);
+}
+
+// Deletes content in the given range.
+bool wxRichTextTable::DeleteRange(const wxRichTextRange& WXUNUSED(range))
+{
+ // TODO: implement deletion of cells
+ return true;
+}
+
+// Gets any text in this object for the given range.
+wxString wxRichTextTable::GetTextForRange(const wxRichTextRange& range) const
+{
+ return wxRichTextBox::GetTextForRange(range);
+}
+
+// Copies this object.
+void wxRichTextTable::Copy(const wxRichTextTable& obj)
+{
+ wxRichTextBox::Copy(obj);
+
+ ClearTable();
+
+ m_rowCount = obj.m_rowCount;
+ m_colCount = obj.m_colCount;
+
+ m_cells.Add(wxRichTextObjectPtrArray(), m_rowCount);
+
+ int i, j;
+ for (i = 0; i < m_rowCount; i++)
+ {
+ wxRichTextObjectPtrArray& colArray = m_cells[i];
+ for (j = 0; j < m_colCount; j++)
+ {
+ wxRichTextCell* cell = wxDynamicCast(obj.GetCell(i, j)->Clone(), wxRichTextCell);
+ AppendChild(cell);
+
+ colArray.Add(cell);
+ }
+ }
+}
+
+void wxRichTextTable::ClearTable()
+{
+ m_cells.Clear();
+ DeleteChildren();
+ m_rowCount = 0;
+ m_colCount = 0;
+}
+
+bool wxRichTextTable::CreateTable(int rows, int cols)
+{
+ ClearTable();
+
+ m_rowCount = rows;
+ m_colCount = cols;
+
+ m_cells.Add(wxRichTextObjectPtrArray(), rows);
+
+ int i, j;
+ for (i = 0; i < rows; i++)
+ {
+ wxRichTextObjectPtrArray& colArray = m_cells[i];
+ for (j = 0; j < cols; j++)
+ {
+ wxRichTextCell* cell = new wxRichTextCell;
+ AppendChild(cell);
+ cell->AddParagraph(wxEmptyString);
+
+ colArray.Add(cell);
+ }
+ }
+
+ return true;
+}
+
+wxRichTextCell* wxRichTextTable::GetCell(int row, int col) const
+{
+ wxASSERT(row < m_rowCount);
+ wxASSERT(col < m_colCount);
+
+ if (row < m_rowCount && col < m_colCount)
+ {
+ wxRichTextObjectPtrArray& colArray = m_cells[row];
+ wxRichTextObject* obj = colArray[col];
+ return wxDynamicCast(obj, wxRichTextCell);
+ }
+ else
+ return NULL;
+}
+
+// Returns a selection object specifying the selections between start and end character positions.
+// For example, a table would deduce what cells (of range length 1) are selected when dragging across the table.
+wxRichTextSelection wxRichTextTable::GetSelection(long start, long end) const
+{
+ wxRichTextSelection selection;
+ selection.SetContainer((wxRichTextTable*) this);
+
+ if (start > end)
+ {
+ long tmp = end;
+ end = start;
+ start = tmp;
+ }
+
+ wxASSERT( start >= 0 && end < (m_colCount * m_rowCount));
+
+ if (end >= (m_colCount * m_rowCount))
+ return selection;
+
+ // We need to find the rectangle of cells that is described by the rectangle
+ // with start, end as the diagonal. Make sure we don't add cells that are
+ // not currenty visible because they are overlapped by spanning cells.
+/*
+ --------------------------
+ | 0 | 1 | 2 | 3 | 4 |
+ --------------------------
+ | 5 | 6 | 7 | 8 | 9 |
+ --------------------------
+ | 10 | 11 | 12 | 13 | 14 |
+ --------------------------
+ | 15 | 16 | 17 | 18 | 19 |
+ --------------------------
+
+ Let's say we select 6 -> 18.
+
+ Left and right edge cols of rectangle are 1 and 3 inclusive. Find least/greatest to find
+ which is left and which is right.
+
+ Top and bottom edge rows are 1 and 3 inclusive. Again, find least/greatest to find top and bottom.
+
+ Now go through rows from 1 to 3 and only add cells that are (a) within above column range
+ and (b) shown.
+
+
+*/
+
+ int leftCol = start - m_colCount * int(start/m_colCount);
+ int rightCol = end - m_colCount * int(end/m_colCount);
+
+ int topRow = int(start/m_colCount);
+ int bottomRow = int(end/m_colCount);
+
+ if (leftCol > rightCol)
+ {
+ int tmp = rightCol;
+ rightCol = leftCol;
+ leftCol = tmp;
+ }
+
+ if (topRow > bottomRow)
+ {
+ int tmp = bottomRow;
+ bottomRow = topRow;
+ topRow = tmp;
+ }
+
+ int i, j;
+ for (i = topRow; i <= bottomRow; i++)
+ {
+ for (j = leftCol; j <= rightCol; j++)
+ {
+ wxRichTextCell* cell = GetCell(i, j);
+ if (cell && cell->IsShown())
+ selection.Add(cell->GetRange());
+ }
+ }
+
+ return selection;
+}
+
+// Sets the attributes for the cells specified by the selection.
+bool wxRichTextTable::SetCellStyle(const wxRichTextSelection& selection, const wxRichTextAttr& style, int flags)
+{
+ if (selection.GetContainer() != this)
+ return false;
+
+ wxRichTextBuffer* buffer = GetBuffer();
+ bool haveControl = (buffer && buffer->GetRichTextCtrl() != NULL);
+ bool withUndo = haveControl && ((flags & wxRICHTEXT_SETSTYLE_WITH_UNDO) != 0);
+
+ if (withUndo)
+ buffer->BeginBatchUndo(_("Set Cell Style"));
+
+ wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
+ while (node)
+ {
+ wxRichTextCell* cell = wxDynamicCast(node->GetData(), wxRichTextCell);
+ if (cell && selection.WithinSelection(cell->GetRange().GetStart()))
+ SetStyle(cell, style, flags);
+ node = node->GetNext();
+ }
+
+ // Do action, or delay it until end of batch.
+ if (withUndo)
+ buffer->EndBatchUndo();
+
+ return true;
+}
+
+wxPosition wxRichTextTable::GetFocusedCell() const
+{
+ wxPosition position(-1, -1);
+ const wxRichTextObject* focus = GetBuffer()->GetRichTextCtrl()->GetFocusObject();
+
+ for (int row = 0; row < GetRowCount(); ++row)
+ {
+ for (int col = 0; col < GetColumnCount(); ++col)
+ {
+ if (GetCell(row, col) == focus)
+ {
+ position.SetRow(row);
+ position.SetCol(col);
+ return position;
+ }
+ }
+ }
+
+ return position;
+}
+
+bool wxRichTextTable::DeleteRows(int startRow, int noRows)
+{
+ wxASSERT((startRow + noRows) <= m_rowCount);
+ if ((startRow + noRows) > m_rowCount)
+ return false;
+
+ wxCHECK_MSG(noRows != m_rowCount, false, "Trying to delete all the cells in a table");
+
+ wxRichTextBuffer* buffer = GetBuffer();
+ wxRichTextCtrl* rtc = buffer->GetRichTextCtrl();
+
+ wxPosition position = GetFocusedCell();
+ int focusCol = position.GetCol();
+ int focusRow = position.GetRow();
+ if (focusRow >= startRow && focusRow < (startRow+noRows))
+ {
+ // Deleting a focused cell causes a segfault later when laying out, due to GetFocusedObject() returning an invalid object
+ if ((startRow + noRows) < m_rowCount)
+ {
+ // There are more rows after the one(s) to be deleted, so set focus in the first of them
+ rtc->SetFocusObject(GetCell(startRow + noRows, focusCol));
+ }
+ else
+ {
+ // Otherwise set focus in the preceding row
+ rtc->SetFocusObject(GetCell(startRow - 1, focusCol));
+ }
+ }
+
+ wxRichTextAction* action = NULL;
+ wxRichTextTable* clone = NULL;
+ if (!rtc->SuppressingUndo())
+ {
+ // Create a clone containing the current state of the table. It will be used to Undo the action
+ clone = wxStaticCast(this->Clone(), wxRichTextTable);
+ clone->SetParent(GetParent());
+ action = new wxRichTextAction(NULL, _("Delete row"), wxRICHTEXT_CHANGE_OBJECT, buffer, this, rtc);
+ action->SetObject(this);
+ action->SetPosition(GetRange().GetStart());
+ }
+
+ int i, j;
+ for (i = startRow; i < (startRow+noRows); i++)
+ {
+ wxRichTextObjectPtrArray& colArray = m_cells[startRow];
+ for (j = 0; j < (int) colArray.GetCount(); j++)
+ {
+ wxRichTextObject* cell = colArray[j];
+ RemoveChild(cell, true);
+ }
+
+ // Keep deleting at the same position, since we move all
+ // the others up
+ m_cells.RemoveAt(startRow);
+ }
+
+ m_rowCount = m_rowCount - noRows;
+
+ if (!rtc->SuppressingUndo())
+ {
+ buffer->SubmitAction(action);
+ // Finally store the original-state clone; doing so earlier would cause various failures
+ action->StoreObject(clone);
+ }
+
+ return true;
+}
+
+bool wxRichTextTable::DeleteColumns(int startCol, int noCols)
+{
+ wxASSERT((startCol + noCols) <= m_colCount);
+ if ((startCol + noCols) > m_colCount)
+ return false;
+
+ wxCHECK_MSG(noCols != m_colCount, false, "Trying to delete all the cells in a table");
+
+ wxRichTextBuffer* buffer = GetBuffer();
+ wxRichTextCtrl* rtc = buffer->GetRichTextCtrl();
+
+ wxPosition position = GetFocusedCell();
+ int focusCol = position.GetCol();
+ int focusRow = position.GetRow();
+ if (focusCol >= startCol && focusCol < (startCol+noCols))
+ {
+ // Deleting a focused cell causes a segfault later when laying out, due to GetFocusedObject() returning an invalid object
+ if ((startCol + noCols) < m_colCount)
+ {
+ // There are more columns after the one(s) to be deleted, so set focus in the first of them
+ rtc->SetFocusObject(GetCell(focusRow, startCol + noCols));
+ }
+ else
+ {
+ // Otherwise set focus in the preceding column
+ rtc->SetFocusObject(GetCell(focusRow, startCol - 1));
+ }
+ }
+
+ wxRichTextAction* action = NULL;
+ wxRichTextTable* clone = NULL;
+ if (!rtc->SuppressingUndo())
+ {
+ // Create a clone containing the current state of the table. It will be used to Undo the action
+ clone = wxStaticCast(this->Clone(), wxRichTextTable);
+ clone->SetParent(GetParent());
+ action = new wxRichTextAction(NULL, _("Delete column"), wxRICHTEXT_CHANGE_OBJECT, buffer, this, rtc);
+ action->SetObject(this);
+ action->SetPosition(GetRange().GetStart());
+ }
+
+ bool deleteRows = (noCols == m_colCount);
+
+ int i, j;
+ for (i = 0; i < m_rowCount; i++)
+ {
+ wxRichTextObjectPtrArray& colArray = m_cells[deleteRows ? 0 : i];
+ for (j = 0; j < noCols; j++)
+ {
+ wxRichTextObject* cell = colArray[startCol];
+ RemoveChild(cell, true);
+ colArray.RemoveAt(startCol);
+ }
+
+ if (deleteRows)
+ m_cells.RemoveAt(0);
+ }
+
+ if (deleteRows)
+ m_rowCount = 0;
+ m_colCount = m_colCount - noCols;
+
+ if (!rtc->SuppressingUndo())
+ {
+ buffer->SubmitAction(action);
+ // Finally store the original-state clone; doing so earlier would cause various failures
+ action->StoreObject(clone);
+ }
+
+ return true;
+}
+
+bool wxRichTextTable::AddRows(int startRow, int noRows, const wxRichTextAttr& attr)
+{
+ wxASSERT(startRow <= m_rowCount);
+ if (startRow > m_rowCount)
+ return false;
+
+ wxRichTextBuffer* buffer = GetBuffer();
+ wxRichTextAction* action = NULL;
+ wxRichTextTable* clone = NULL;
+ if (!buffer->GetRichTextCtrl()->SuppressingUndo())
+ {
+ // Create a clone containing the current state of the table. It will be used to Undo the action
+ clone = wxStaticCast(this->Clone(), wxRichTextTable);
+ clone->SetParent(GetParent());
+ action = new wxRichTextAction(NULL, _("Add row"), wxRICHTEXT_CHANGE_OBJECT, buffer, this, buffer->GetRichTextCtrl());
+ action->SetObject(this);
+ action->SetPosition(GetRange().GetStart());
+ }
+
+ int i, j;
+ for (i = 0; i < noRows; i++)
+ {
+ int idx;
+ if (startRow == m_rowCount)
+ {
+ m_cells.Add(wxRichTextObjectPtrArray());
+ idx = m_cells.GetCount() - 1;
+ }
+ else
+ {
+ m_cells.Insert(wxRichTextObjectPtrArray(), startRow+i);
+ idx = startRow+i;
+ }
+
+ wxRichTextObjectPtrArray& colArray = m_cells[idx];
+ for (j = 0; j < m_colCount; j++)
+ {
+ wxRichTextCell* cell = new wxRichTextCell;
+ cell->GetAttributes() = attr;
+
+ AppendChild(cell);
+ cell->AddParagraph(wxEmptyString);
+ colArray.Add(cell);
+ }
+ }
+
+ m_rowCount = m_rowCount + noRows;
+
+ if (!buffer->GetRichTextCtrl()->SuppressingUndo())
+ {
+ buffer->SubmitAction(action);
+ // Finally store the original-state clone; doing so earlier would cause various failures
+ action->StoreObject(clone);
+ }
+
+ return true;
+}
+
+bool wxRichTextTable::AddColumns(int startCol, int noCols, const wxRichTextAttr& attr)
+{
+ wxASSERT(startCol <= m_colCount);
+ if (startCol > m_colCount)
+ return false;
+
+ wxRichTextBuffer* buffer = GetBuffer();
+ wxRichTextAction* action = NULL;
+ wxRichTextTable* clone = NULL;
+ if (!buffer->GetRichTextCtrl()->SuppressingUndo())
+ {
+ // Create a clone containing the current state of the table. It will be used to Undo the action
+ clone = wxStaticCast(this->Clone(), wxRichTextTable);
+ clone->SetParent(GetParent());
+ action = new wxRichTextAction(NULL, _("Add column"), wxRICHTEXT_CHANGE_OBJECT, buffer, this, buffer->GetRichTextCtrl());
+ action->SetObject(this);
+ action->SetPosition(GetRange().GetStart());
+ }
+
+ int i, j;
+ for (i = 0; i < m_rowCount; i++)
+ {
+ wxRichTextObjectPtrArray& colArray = m_cells[i];
+ for (j = 0; j < noCols; j++)
+ {
+ wxRichTextCell* cell = new wxRichTextCell;
+ cell->GetAttributes() = attr;
+
+ AppendChild(cell);
+ cell->AddParagraph(wxEmptyString);
+
+ if (startCol == m_colCount)
+ colArray.Add(cell);
+ else
+ colArray.Insert(cell, startCol+j);
+ }
+ }
+
+ m_colCount = m_colCount + noCols;
+
+ if (!buffer->GetRichTextCtrl()->SuppressingUndo())
+ {
+ buffer->SubmitAction(action);
+ // Finally store the original-state clone; doing so earlier would cause various failures
+ action->StoreObject(clone);
+ }
+
+ return true;
+}
+
+// Edit properties via a GUI
+bool wxRichTextTable::EditProperties(wxWindow* parent, wxRichTextBuffer* buffer)
+{
+ wxRichTextObjectPropertiesDialog boxDlg(this, wxGetTopLevelParent(parent), wxID_ANY, _("Table Properties"));
+ boxDlg.SetAttributes(GetAttributes());
+
+ if (boxDlg.ShowModal() == wxID_OK)
+ {
+ boxDlg.ApplyStyle(buffer->GetRichTextCtrl(), wxRICHTEXT_SETSTYLE_WITH_UNDO|wxRICHTEXT_SETSTYLE_RESET);
+ return true;
+ }
+ else
+ return false;
+}
+
+/*
+ * Module to initialise and clean up handlers
+ */
+
+class wxRichTextModule: public wxModule
+{
+DECLARE_DYNAMIC_CLASS(wxRichTextModule)
+public:
+ wxRichTextModule() {}
+ bool OnInit()
+ {
+ wxRichTextBuffer::SetRenderer(new wxRichTextStdRenderer);
+ wxRichTextBuffer::InitStandardHandlers();
+ wxRichTextParagraph::InitDefaultTabs();
+
+ wxRichTextXMLHandler::RegisterNodeName(wxT("text"), wxT("wxRichTextPlainText"));
+ wxRichTextXMLHandler::RegisterNodeName(wxT("symbol"), wxT("wxRichTextPlainText"));
+ wxRichTextXMLHandler::RegisterNodeName(wxT("image"), wxT("wxRichTextImage"));
+ wxRichTextXMLHandler::RegisterNodeName(wxT("paragraph"), wxT("wxRichTextParagraph"));
+ wxRichTextXMLHandler::RegisterNodeName(wxT("paragraphlayout"), wxT("wxRichTextParagraphLayoutBox"));
+ wxRichTextXMLHandler::RegisterNodeName(wxT("textbox"), wxT("wxRichTextBox"));
+ wxRichTextXMLHandler::RegisterNodeName(wxT("cell"), wxT("wxRichTextCell"));
+ wxRichTextXMLHandler::RegisterNodeName(wxT("table"), wxT("wxRichTextTable"));
+ wxRichTextXMLHandler::RegisterNodeName(wxT("field"), wxT("wxRichTextField"));
+
+ return true;
+ }
+ void OnExit()
+ {
+ wxRichTextBuffer::CleanUpHandlers();
+ wxRichTextBuffer::CleanUpDrawingHandlers();
+ wxRichTextBuffer::CleanUpFieldTypes();
+ wxRichTextXMLHandler::ClearNodeToClassMap();
+ wxRichTextDecimalToRoman(-1);
+ wxRichTextParagraph::ClearDefaultTabs();
+ wxRichTextCtrl::ClearAvailableFontNames();
+ wxRichTextBuffer::SetRenderer(NULL);
+ }
+};
+
+IMPLEMENT_DYNAMIC_CLASS(wxRichTextModule, wxModule)
+
+
+// If the richtext lib is dynamically loaded after the app has already started
+// (such as from wxPython) then the built-in module system will not init this
+// module. Provide this function to do it manually.
+void wxRichTextModuleInit()
+{
+ wxModule* module = new wxRichTextModule;
+ wxModule::RegisterModule(module);
+ wxModule::InitializeModules();
+}
+
+
+/*!
+ * Commands for undo/redo
+ *
+ */
+
+wxRichTextCommand::wxRichTextCommand(const wxString& name, wxRichTextCommandId id, wxRichTextBuffer* buffer,
+ wxRichTextParagraphLayoutBox* container, wxRichTextCtrl* ctrl, bool ignoreFirstTime): wxCommand(true, name)
+{
+ /* wxRichTextAction* action = */ new wxRichTextAction(this, name, id, buffer, container, ctrl, ignoreFirstTime);
+}
+
+wxRichTextCommand::wxRichTextCommand(const wxString& name): wxCommand(true, name)
+{
+}
+
+wxRichTextCommand::~wxRichTextCommand()
+{
+ ClearActions();
+}
+
+void wxRichTextCommand::AddAction(wxRichTextAction* action)
+{
+ if (!m_actions.Member(action))
+ m_actions.Append(action);
+}
+
+bool wxRichTextCommand::Do()
+{
+ for (wxList::compatibility_iterator node = m_actions.GetFirst(); node; node = node->GetNext())
+ {
+ wxRichTextAction* action = (wxRichTextAction*) node->GetData();
+ action->Do();
+ }
+
+ return true;
+}
+
+bool wxRichTextCommand::Undo()
+{
+ for (wxList::compatibility_iterator node = m_actions.GetLast(); node; node = node->GetPrevious())
+ {
+ wxRichTextAction* action = (wxRichTextAction*) node->GetData();
+ action->Undo();
+ }
+
+ return true;
+}
+
+void wxRichTextCommand::ClearActions()
+{
+ WX_CLEAR_LIST(wxList, m_actions);
+}
+
+/*!
+ * Individual action
+ *
+ */
+
+wxRichTextAction::wxRichTextAction(wxRichTextCommand* cmd, const wxString& name, wxRichTextCommandId id,
+ wxRichTextBuffer* buffer, wxRichTextParagraphLayoutBox* container,
+ wxRichTextCtrl* ctrl, bool ignoreFirstTime)
+{
+ m_buffer = buffer;
+ m_object = NULL;
+ m_containerAddress.Create(buffer, container);
+ m_ignoreThis = ignoreFirstTime;
+ m_cmdId = id;
+ m_position = -1;
+ m_ctrl = ctrl;
+ m_name = name;
+ m_newParagraphs.SetDefaultStyle(buffer->GetDefaultStyle());
+ m_newParagraphs.SetBasicStyle(buffer->GetBasicStyle());
+ if (cmd)
+ cmd->AddAction(this);
+}
+
+wxRichTextAction::~wxRichTextAction()
+{
+ if (m_object)
+ delete m_object;
+}
+
+// Returns the container that this action refers to, using the container address and top-level buffer.
+wxRichTextParagraphLayoutBox* wxRichTextAction::GetContainer() const
+{
+ wxRichTextParagraphLayoutBox* container = wxDynamicCast(GetContainerAddress().GetObject(m_buffer), wxRichTextParagraphLayoutBox);
+ return container;
+}
+
+
+void wxRichTextAction::CalculateRefreshOptimizations(wxArrayInt& optimizationLineCharPositions, wxArrayInt& optimizationLineYPositions)
+{
+ // Store a list of line start character and y positions so we can figure out which area
+ // we need to refresh
+
+#if wxRICHTEXT_USE_OPTIMIZED_DRAWING
+ wxRichTextParagraphLayoutBox* container = GetContainer();
+ wxASSERT(container != NULL);
+ if (!container)
+ return;
+
+ // NOTE: we're assuming that the buffer is laid out correctly at this point.
+ // If we had several actions, which only invalidate and leave layout until the
+ // paint handler is called, then this might not be true. So we may need to switch
+ // optimisation on only when we're simply adding text and not simultaneously
+ // deleting a selection, for example. Or, we make sure the buffer is laid out correctly
+ // first, but of course this means we'll be doing it twice.
+ if (!m_buffer->IsDirty() && m_ctrl) // can only do optimisation if the buffer is already laid out correctly
+ {
+ wxSize clientSize = m_ctrl->GetUnscaledSize(m_ctrl->GetClientSize());
+ wxPoint firstVisiblePt = m_ctrl->GetUnscaledPoint(m_ctrl->GetFirstVisiblePoint());
+ int lastY = firstVisiblePt.y + clientSize.y;
+
+ wxRichTextParagraph* para = container->GetParagraphAtPosition(GetRange().GetStart());
+ wxRichTextObjectList::compatibility_iterator node = container->GetChildren().Find(para);
+ while (node)
+ {
+ wxRichTextParagraph* child = (wxRichTextParagraph*) node->GetData();
+ wxRichTextLineList::compatibility_iterator node2 = child->GetLines().GetFirst();
+ while (node2)
+ {
+ wxRichTextLine* line = node2->GetData();
+ wxPoint pt = line->GetAbsolutePosition();
+ wxRichTextRange range = line->GetAbsoluteRange();
+
+ if (pt.y > lastY)
+ {
+ node2 = wxRichTextLineList::compatibility_iterator();
+ node = wxRichTextObjectList::compatibility_iterator();
+ }
+ else if (range.GetStart() > GetPosition() && pt.y >= firstVisiblePt.y)
+ {
+ optimizationLineCharPositions.Add(range.GetStart());
+ optimizationLineYPositions.Add(pt.y);
+ }
+
+ if (node2)
+ node2 = node2->GetNext();
+ }
+
+ if (node)
+ node = node->GetNext();
+ }
+ }
+#endif
+}
+
+bool wxRichTextAction::Do()
+{
+ m_buffer->Modify(true);
+
+ wxRichTextParagraphLayoutBox* container = GetContainer();
+ wxASSERT(container != NULL);
+ if (!container)
+ return false;
+
+ switch (m_cmdId)
+ {
+ case wxRICHTEXT_INSERT:
+ {
+ // Store a list of line start character and y positions so we can figure out which area
+ // we need to refresh
+ wxArrayInt optimizationLineCharPositions;
+ wxArrayInt optimizationLineYPositions;
+
+#if wxRICHTEXT_USE_OPTIMIZED_DRAWING
+ CalculateRefreshOptimizations(optimizationLineCharPositions, optimizationLineYPositions);
+#endif
+
+ container->InsertFragment(GetRange().GetStart(), m_newParagraphs);
+ container->UpdateRanges();
+
+ // InvalidateHierarchy goes up the hierarchy as well as down, otherwise with a nested object,
+ // Layout() would stop prematurely at the top level.
+ container->InvalidateHierarchy(wxRichTextRange(wxMax(0, GetRange().GetStart()-1), GetRange().GetEnd()));
+
+ long newCaretPosition = GetPosition() + m_newParagraphs.GetOwnRange().GetLength();
+
+ // Character position to caret position
+ newCaretPosition --;
+
+ // Don't take into account the last newline
+ if (m_newParagraphs.GetPartialParagraph())
+ newCaretPosition --;
+ else
+ if (m_newParagraphs.GetChildren().GetCount() > 1)
+ {
+ wxRichTextObject* p = (wxRichTextObject*) m_newParagraphs.GetChildren().GetLast()->GetData();
+ if (p->GetRange().GetLength() == 1)
+ newCaretPosition --;
+ }
+
+ newCaretPosition = wxMin(newCaretPosition, (container->GetOwnRange().GetEnd()-1));
+
+ UpdateAppearance(newCaretPosition, true /* send update event */, & optimizationLineCharPositions, & optimizationLineYPositions, true /* do */);
+
+ wxRichTextEvent cmdEvent(
+ wxEVT_RICHTEXT_CONTENT_INSERTED,
+ m_ctrl ? m_ctrl->GetId() : -1);
+ cmdEvent.SetEventObject(m_ctrl ? (wxObject*) m_ctrl : (wxObject*) m_buffer);
+ cmdEvent.SetRange(GetRange());
+ cmdEvent.SetPosition(GetRange().GetStart());
+ cmdEvent.SetContainer(container);
+
+ m_buffer->SendEvent(cmdEvent);
+
+ break;
+ }
+ case wxRICHTEXT_DELETE:
+ {
+ wxArrayInt optimizationLineCharPositions;
+ wxArrayInt optimizationLineYPositions;
+
+#if wxRICHTEXT_USE_OPTIMIZED_DRAWING
+ CalculateRefreshOptimizations(optimizationLineCharPositions, optimizationLineYPositions);
+#endif
+
+ container->DeleteRange(GetRange());
+ container->UpdateRanges();
+ // InvalidateHierarchy goes up the hierarchy as well as down, otherwise with a nested object,
+ // Layout() would stop prematurely at the top level.
+ container->InvalidateHierarchy(wxRichTextRange(GetRange().GetStart(), GetRange().GetStart()));
+
+ long caretPos = GetRange().GetStart()-1;
+ if (caretPos >= container->GetOwnRange().GetEnd())
+ caretPos --;
+
+ UpdateAppearance(caretPos, true /* send update event */, & optimizationLineCharPositions, & optimizationLineYPositions, true /* do */);
+
+ wxRichTextEvent cmdEvent(
+ wxEVT_RICHTEXT_CONTENT_DELETED,
+ m_ctrl ? m_ctrl->GetId() : -1);
+ cmdEvent.SetEventObject(m_ctrl ? (wxObject*) m_ctrl : (wxObject*) m_buffer);
+ cmdEvent.SetRange(GetRange());
+ cmdEvent.SetPosition(GetRange().GetStart());
+ cmdEvent.SetContainer(container);
+
+ m_buffer->SendEvent(cmdEvent);
+
+ break;
+ }
+ case wxRICHTEXT_CHANGE_STYLE:
+ case wxRICHTEXT_CHANGE_PROPERTIES:
+ {
+ ApplyParagraphs(GetNewParagraphs());
+
+ // Invalidate the whole buffer if there were floating objects
+ if (wxRichTextBuffer::GetFloatingLayoutMode() && container->GetFloatingObjectCount() > 0)
+ m_buffer->InvalidateHierarchy(wxRICHTEXT_ALL);
+ else
+ {
+ // InvalidateHierarchy goes up the hierarchy as well as down, otherwise with a nested object,
+ // Layout() would stop prematurely at the top level.
+ container->InvalidateHierarchy(GetRange());
+ }
+
+ UpdateAppearance(GetPosition());
+
+ wxRichTextEvent cmdEvent(
+ m_cmdId == wxRICHTEXT_CHANGE_STYLE ? wxEVT_RICHTEXT_STYLE_CHANGED : wxEVT_RICHTEXT_PROPERTIES_CHANGED,
+ m_ctrl ? m_ctrl->GetId() : -1);
+ cmdEvent.SetEventObject(m_ctrl ? (wxObject*) m_ctrl : (wxObject*) m_buffer);
+ cmdEvent.SetRange(GetRange());
+ cmdEvent.SetPosition(GetRange().GetStart());
+ cmdEvent.SetContainer(container);
+
+ m_buffer->SendEvent(cmdEvent);
+
+ break;
+ }
+ case wxRICHTEXT_CHANGE_ATTRIBUTES:
+ {
+ wxRichTextObject* obj = m_objectAddress.GetObject(m_buffer); // container->GetChildAtPosition(GetRange().GetStart());
+ if (obj)
+ {
+ wxRichTextAttr oldAttr = obj->GetAttributes();
+ obj->GetAttributes() = m_attributes;
+ m_attributes = oldAttr;
+ }
+
+ // InvalidateHierarchy goes up the hierarchy as well as down, otherwise with a nested object,
+ // Layout() would stop prematurely at the top level.
+ // Invalidate the whole buffer if there were floating objects
+ if (wxRichTextBuffer::GetFloatingLayoutMode() && container->GetFloatingObjectCount() > 0)
+ m_buffer->InvalidateHierarchy(wxRICHTEXT_ALL);
+ else
+ container->InvalidateHierarchy(GetRange());
+
+ UpdateAppearance(GetPosition());
+
+ wxRichTextEvent cmdEvent(
+ wxEVT_RICHTEXT_STYLE_CHANGED,
+ m_ctrl ? m_ctrl->GetId() : -1);
+ cmdEvent.SetEventObject(m_ctrl ? (wxObject*) m_ctrl : (wxObject*) m_buffer);
+ cmdEvent.SetRange(GetRange());
+ cmdEvent.SetPosition(GetRange().GetStart());
+ cmdEvent.SetContainer(container);
+
+ m_buffer->SendEvent(cmdEvent);
+
+ break;
+ }
+ case wxRICHTEXT_CHANGE_OBJECT:
+ {
+ wxRichTextObject* obj = m_objectAddress.GetObject(m_buffer);
+ if (obj && m_object && m_ctrl)
+ {
+ // The plan is to swap the current object with the stored, previous-state, clone
+ // We can't get 'node' from the containing buffer (as it doesn't directly store objects)
+ // so use the parent paragraph
+ wxRichTextParagraph* para = wxDynamicCast(obj->GetParent(), wxRichTextParagraph);
+ wxCHECK_MSG(para, false, "Invalid parent paragraph");
+
+ // The stored object, m_object, may have a stale parent paragraph. This would cause
+ // a crash during layout, so use obj's parent para, which should be the correct one.
+ // (An alternative would be to return the parent too from m_objectAddress.GetObject(),
+ // or to set obj's parent there before returning)
+ m_object->SetParent(para);
+
+ wxRichTextObjectList::compatibility_iterator node = para->GetChildren().Find(obj);
+ if (node)
+ {
+ wxRichTextObject* obj = node->GetData();
+ node->SetData(m_object);
+ m_object = obj;
+ }
+ }
+
+ // InvalidateHierarchy goes up the hierarchy as well as down, otherwise with a nested object,
+ // Layout() would stop prematurely at the top level.
+ // Invalidate the whole buffer if there were floating objects
+ if (wxRichTextBuffer::GetFloatingLayoutMode() && container->GetFloatingObjectCount() > 0)
+ m_buffer->InvalidateHierarchy(wxRICHTEXT_ALL);
+ else
+ container->InvalidateHierarchy(GetRange());
+
+ UpdateAppearance(GetPosition());
+
+ // TODO: send new kind of modification event
+
+ break;
+ }
+ default:
+ break;
+ }
+
+ return true;
+}
+
+bool wxRichTextAction::Undo()
+{
+ m_buffer->Modify(true);
+
+ wxRichTextParagraphLayoutBox* container = GetContainer();
+ wxASSERT(container != NULL);
+ if (!container)
+ return false;
+
+ switch (m_cmdId)
+ {
+ case wxRICHTEXT_INSERT:
+ {
+ wxArrayInt optimizationLineCharPositions;
+ wxArrayInt optimizationLineYPositions;
+
+#if wxRICHTEXT_USE_OPTIMIZED_DRAWING
+ CalculateRefreshOptimizations(optimizationLineCharPositions, optimizationLineYPositions);
+#endif
+
+ container->DeleteRange(GetRange());
+ container->UpdateRanges();
+
+ // InvalidateHierarchy goes up the hierarchy as well as down, otherwise with a nested object,
+ // Layout() would stop prematurely at the top level.
+ container->InvalidateHierarchy(wxRichTextRange(GetRange().GetStart(), GetRange().GetStart()));
+
+ long newCaretPosition = GetPosition() - 1;
+
+ UpdateAppearance(newCaretPosition, true, /* send update event */ & optimizationLineCharPositions, & optimizationLineYPositions, false /* undo */);
+
+ wxRichTextEvent cmdEvent(
+ wxEVT_RICHTEXT_CONTENT_DELETED,
+ m_ctrl ? m_ctrl->GetId() : -1);
+ cmdEvent.SetEventObject(m_ctrl ? (wxObject*) m_ctrl : (wxObject*) m_buffer);
+ cmdEvent.SetRange(GetRange());
+ cmdEvent.SetPosition(GetRange().GetStart());
+ cmdEvent.SetContainer(container);
+
+ m_buffer->SendEvent(cmdEvent);
+
+ break;
+ }
+ case wxRICHTEXT_DELETE:
+ {
+ wxArrayInt optimizationLineCharPositions;
+ wxArrayInt optimizationLineYPositions;
+
+#if wxRICHTEXT_USE_OPTIMIZED_DRAWING
+ CalculateRefreshOptimizations(optimizationLineCharPositions, optimizationLineYPositions);
+#endif
+
+ container->InsertFragment(GetRange().GetStart(), m_oldParagraphs);
+ container->UpdateRanges();
+
+ // InvalidateHierarchy goes up the hierarchy as well as down, otherwise with a nested object,
+ // Layout() would stop prematurely at the top level.
+ container->InvalidateHierarchy(GetRange());
+
+ UpdateAppearance(GetPosition(), true, /* send update event */ & optimizationLineCharPositions, & optimizationLineYPositions, false /* undo */);
+
+ wxRichTextEvent cmdEvent(
+ wxEVT_RICHTEXT_CONTENT_INSERTED,
+ m_ctrl ? m_ctrl->GetId() : -1);
+ cmdEvent.SetEventObject(m_ctrl ? (wxObject*) m_ctrl : (wxObject*) m_buffer);
+ cmdEvent.SetRange(GetRange());
+ cmdEvent.SetPosition(GetRange().GetStart());
+ cmdEvent.SetContainer(container);
+
+ m_buffer->SendEvent(cmdEvent);
+
+ break;
+ }
+ case wxRICHTEXT_CHANGE_STYLE:
+ case wxRICHTEXT_CHANGE_PROPERTIES:
+ {
+ ApplyParagraphs(GetOldParagraphs());
+ // InvalidateHierarchy goes up the hierarchy as well as down, otherwise with a nested object,
+ // Layout() would stop prematurely at the top level.
+ container->InvalidateHierarchy(GetRange());
+
+ UpdateAppearance(GetPosition());
+
+ wxRichTextEvent cmdEvent(
+ m_cmdId == wxRICHTEXT_CHANGE_STYLE ? wxEVT_RICHTEXT_STYLE_CHANGED : wxEVT_RICHTEXT_PROPERTIES_CHANGED,
+ m_ctrl ? m_ctrl->GetId() : -1);
+ cmdEvent.SetEventObject(m_ctrl ? (wxObject*) m_ctrl : (wxObject*) m_buffer);
+ cmdEvent.SetRange(GetRange());
+ cmdEvent.SetPosition(GetRange().GetStart());
+ cmdEvent.SetContainer(container);
+
+ m_buffer->SendEvent(cmdEvent);
+
+ break;
+ }
+ case wxRICHTEXT_CHANGE_ATTRIBUTES:
+ case wxRICHTEXT_CHANGE_OBJECT:
+ {
+ return Do();
+ }
+ default:
+ break;
+ }
+
+ return true;
+}
+
+/// Update the control appearance
+void wxRichTextAction::UpdateAppearance(long caretPosition, bool sendUpdateEvent, wxArrayInt* optimizationLineCharPositions, wxArrayInt* optimizationLineYPositions, bool isDoCmd)
+{
+ wxRichTextParagraphLayoutBox* container = GetContainer();
+ wxASSERT(container != NULL);
+ if (!container)
+ return;
+
+ if (m_ctrl)
+ {
+ m_ctrl->SetFocusObject(container);
+ m_ctrl->SetCaretPosition(caretPosition);
+
+ if (!m_ctrl->IsFrozen())
+ {
+ wxRect containerRect = container->GetRect();
+
+ m_ctrl->LayoutContent();
+
+ // Refresh everything if there were floating objects or the container changed size
+ // (we can't yet optimize in these cases, since more complex interaction with other content occurs)
+ if ((wxRichTextBuffer::GetFloatingLayoutMode() && container->GetFloatingObjectCount() > 0) || (container->GetParent() && containerRect != container->GetRect()))
+ {
+ m_ctrl->Refresh(false);
+ }
+ else
+
+#if wxRICHTEXT_USE_OPTIMIZED_DRAWING
+ // Find refresh rectangle if we are in a position to optimise refresh
+ if ((m_cmdId == wxRICHTEXT_INSERT || m_cmdId == wxRICHTEXT_DELETE) && optimizationLineCharPositions)
+ {
+ size_t i;
+
+ wxSize clientSize = m_ctrl->GetUnscaledSize(m_ctrl->GetClientSize());
+ wxPoint firstVisiblePt = m_ctrl->GetUnscaledPoint(m_ctrl->GetFirstVisiblePoint());
+
+ // Start/end positions
+ int firstY = 0;
+ int lastY = firstVisiblePt.y + clientSize.y;
+
+ bool foundEnd = false;
+
+ // position offset - how many characters were inserted
+ int positionOffset = GetRange().GetLength();
+
+ // Determine whether this is Do or Undo, and adjust positionOffset accordingly
+ if ((m_cmdId == wxRICHTEXT_DELETE && isDoCmd) || (m_cmdId == wxRICHTEXT_INSERT && !isDoCmd))
+ positionOffset = - positionOffset;
+
+ // find the first line which is being drawn at the same position as it was
+ // before. Since we're talking about a simple insertion, we can assume
+ // that the rest of the window does not need to be redrawn.
+ long pos = GetRange().GetStart();
+
+ wxRichTextParagraph* para = container->GetParagraphAtPosition(pos, false /* is not caret pos */);
+ // Since we support floating layout, we should redraw the whole para instead of just
+ // the first line touching the invalid range.
+ if (para)
+ {
+ // In case something was drawn above the paragraph,
+ // such as a line break, allow a little extra.
+ firstY = para->GetPosition().y - 4;
+ }
+
+ wxRichTextObjectList::compatibility_iterator node = container->GetChildren().Find(para);
+ while (node)
+ {
+ wxRichTextParagraph* child = (wxRichTextParagraph*) node->GetData();
+ wxRichTextLineList::compatibility_iterator node2 = child->GetLines().GetFirst();
+ while (node2)
+ {
+ wxRichTextLine* line = node2->GetData();
+ wxPoint pt = line->GetAbsolutePosition();
+ wxRichTextRange range = line->GetAbsoluteRange();
+
+ // we want to find the first line that is in the same position
+ // as before. This will mean we're at the end of the changed text.
+
+ if (pt.y > lastY) // going past the end of the window, no more info
+ {
+ node2 = wxRichTextLineList::compatibility_iterator();
+ node = wxRichTextObjectList::compatibility_iterator();
+ }
+ // Detect last line in the buffer
+ else if (!node2->GetNext() && para->GetRange().Contains(container->GetOwnRange().GetEnd()))
+ {
+ // If deleting text, make sure we refresh below as well as above
+ if (positionOffset >= 0)
+ {
+ foundEnd = true;
+ lastY = pt.y + line->GetSize().y;
+ }
+
+ node2 = wxRichTextLineList::compatibility_iterator();
+ node = wxRichTextObjectList::compatibility_iterator();
+
+ break;
+ }
+ else
+ {
+ // search for this line being at the same position as before
+ for (i = 0; i < optimizationLineCharPositions->GetCount(); i++)
+ {
+ if (((*optimizationLineCharPositions)[i] + positionOffset == range.GetStart()) &&
+ ((*optimizationLineYPositions)[i] == pt.y))
+ {
+ // Stop, we're now the same as we were
+ foundEnd = true;
+
+ lastY = pt.y + line->GetSize().y;
+
+ node2 = wxRichTextLineList::compatibility_iterator();
+ node = wxRichTextObjectList::compatibility_iterator();
+
+ break;
+ }
+ }
+ }
+
+ if (node2)
+ node2 = node2->GetNext();
+ }
+
+ if (node)
+ node = node->GetNext();
+ }
+
+ firstY = wxMax(firstVisiblePt.y, firstY);
+ if (!foundEnd)
+ lastY = firstVisiblePt.y + clientSize.y;
+
+ // Convert to device coordinates
+ wxRect rect(m_ctrl->GetPhysicalPoint(m_ctrl->GetScaledPoint(wxPoint(firstVisiblePt.x, firstY))), m_ctrl->GetScaledSize(wxSize(clientSize.x, lastY - firstY)));
+ m_ctrl->RefreshRect(rect);
+ }
+ else
+#endif
+ m_ctrl->Refresh(false);
+
+ m_ctrl->PositionCaret();
+
+ // This causes styles to persist when doing programmatic
+ // content creation except when Freeze/Thaw is used, so
+ // disable this and check for the consequences.
+ // m_ctrl->SetDefaultStyleToCursorStyle();
+
+ if (sendUpdateEvent)
+ wxTextCtrl::SendTextUpdatedEvent(m_ctrl);
+ }
+ }
+}
+
+/// Replace the buffer paragraphs with the new ones.
+void wxRichTextAction::ApplyParagraphs(const wxRichTextParagraphLayoutBox& fragment)
+{
+ wxRichTextParagraphLayoutBox* container = GetContainer();
+ wxASSERT(container != NULL);
+ if (!container)
+ return;
+
+ wxRichTextObjectList::compatibility_iterator node = fragment.GetChildren().GetFirst();
+ while (node)
+ {
+ wxRichTextParagraph* para = wxDynamicCast(node->GetData(), wxRichTextParagraph);
+ wxASSERT (para != NULL);
+
+ // We'll replace the existing paragraph by finding the paragraph at this position,
+ // delete its node data, and setting a copy as the new node data.
+ // TODO: make more efficient by simply swapping old and new paragraph objects.
+
+ wxRichTextParagraph* existingPara = container->GetParagraphAtPosition(para->GetRange().GetStart());
+ if (existingPara)
+ {
+ wxRichTextObjectList::compatibility_iterator bufferParaNode = container->GetChildren().Find(existingPara);
+ if (bufferParaNode)
+ {
+ wxRichTextParagraph* newPara = new wxRichTextParagraph(*para);
+ newPara->SetParent(container);
+
+ bufferParaNode->SetData(newPara);
+
+ delete existingPara;
+ }
+ }
+
+ node = node->GetNext();
+ }
+}
+
+
+/*!
+ * wxRichTextRange
+ * This stores beginning and end positions for a range of data.
+ */
+
+WX_DEFINE_OBJARRAY(wxRichTextRangeArray);
+
+/// Limit this range to be within 'range'
+bool wxRichTextRange::LimitTo(const wxRichTextRange& range)
+{
+ if (m_start < range.m_start)
+ m_start = range.m_start;
+
+ if (m_end > range.m_end)
+ m_end = range.m_end;
+
+ return true;
+}
+
+/*!
+ * wxRichTextImage implementation
+ * This object represents an image.
+ */
+
+IMPLEMENT_DYNAMIC_CLASS(wxRichTextImage, wxRichTextObject)
+
+wxRichTextImage::wxRichTextImage(const wxImage& image, wxRichTextObject* parent, wxRichTextAttr* charStyle):
+ wxRichTextObject(parent)
+{
+ Init();
+ m_imageBlock.MakeImageBlockDefaultQuality(image, wxBITMAP_TYPE_PNG);
+ if (charStyle)
+ SetAttributes(*charStyle);
+}
+
+wxRichTextImage::wxRichTextImage(const wxRichTextImageBlock& imageBlock, wxRichTextObject* parent, wxRichTextAttr* charStyle):
+ wxRichTextObject(parent)
+{
+ Init();
+ m_imageBlock = imageBlock;
+ if (charStyle)
+ SetAttributes(*charStyle);
+}
+
+wxRichTextImage::~wxRichTextImage()
+{
+}
+
+void wxRichTextImage::Init()
+{
+ m_originalImageSize = wxSize(-1, -1);
+}
+
+/// Create a cached image at the required size
+bool wxRichTextImage::LoadImageCache(wxDC& dc, bool resetCache, const wxSize& parentSize)
+{
+ if (!m_imageBlock.IsOk())
+ return false;
+
+ // If we have an original image size, use that to compute the cached bitmap size
+ // instead of loading the image each time. This way we can avoid loading
+ // the image so long as the new cached bitmap size hasn't changed.
+
+ wxImage image;
+ if (resetCache || m_originalImageSize.GetWidth() <= 0 || m_originalImageSize.GetHeight() <= 0)
+ {
+ m_imageCache = wxNullBitmap;
+
+ m_imageBlock.Load(image);
+ if (!image.IsOk())
+ return false;
+
+ m_originalImageSize = wxSize(image.GetWidth(), image.GetHeight());
+ }
+
+ int width = m_originalImageSize.GetWidth();
+ int height = m_originalImageSize.GetHeight();
+
+ int parentWidth = 0;
+ int parentHeight = 0;
+
+ int maxWidth = -1;
+ int maxHeight = -1;
+
+ wxSize sz = parentSize;
+ if (sz == wxDefaultSize)
+ {
+ if (GetParent() && GetParent()->GetParent())
+ sz = GetParent()->GetParent()->GetCachedSize();
+ }
+
+ if (sz != wxDefaultSize)
+ {
+ wxRichTextBuffer* buffer = GetBuffer();
+ if (buffer)
+ {
+ // Find the actual space available when margin is taken into account
+ wxRect marginRect, borderRect, contentRect, paddingRect, outlineRect;
+ marginRect = wxRect(0, 0, sz.x, sz.y);
+ if (GetParent() && GetParent()->GetParent())
+ {
+ buffer->GetBoxRects(dc, buffer, GetParent()->GetParent()->GetAttributes(), marginRect, borderRect, contentRect, paddingRect, outlineRect);
+ sz = contentRect.GetSize();
+ }
+
+ // Use a minimum size to stop images becoming very small
+ parentWidth = wxMax(100, sz.GetWidth());
+ parentHeight = wxMax(100, sz.GetHeight());
+
+ if (buffer->GetRichTextCtrl())
+ // Start with a maximum width of the control size, even if not specified by the content,
+ // to minimize the amount of picture overlapping the right-hand side
+ maxWidth = parentWidth;
+ }
+ }
+
+ if (GetAttributes().GetTextBoxAttr().GetWidth().IsValid() && GetAttributes().GetTextBoxAttr().GetWidth().GetValue() > 0)
+ {
+ if (parentWidth > 0 && GetAttributes().GetTextBoxAttr().GetWidth().GetUnits() == wxTEXT_ATTR_UNITS_PERCENTAGE)
+ width = (int) ((GetAttributes().GetTextBoxAttr().GetWidth().GetValue() * parentWidth)/100.0);
+ else if (GetAttributes().GetTextBoxAttr().GetWidth().GetUnits() == wxTEXT_ATTR_UNITS_TENTHS_MM)
+ width = ConvertTenthsMMToPixels(dc, GetAttributes().GetTextBoxAttr().GetWidth().GetValue());
+ else if (GetAttributes().GetTextBoxAttr().GetWidth().GetUnits() == wxTEXT_ATTR_UNITS_PIXELS)
+ width = GetAttributes().GetTextBoxAttr().GetWidth().GetValue();
+ }
+
+ // Limit to max width
+
+ if (GetAttributes().GetTextBoxAttr().GetMaxSize().GetWidth().IsValid() && GetAttributes().GetTextBoxAttr().GetMaxSize().GetWidth().GetValue() > 0)
+ {
+ int mw = -1;
+
+ if (parentWidth > 0 && GetAttributes().GetTextBoxAttr().GetMaxSize().GetWidth().GetUnits() == wxTEXT_ATTR_UNITS_PERCENTAGE)
+ mw = (int) ((GetAttributes().GetTextBoxAttr().GetMaxSize().GetWidth().GetValue() * parentWidth)/100.0);
+ else if (GetAttributes().GetTextBoxAttr().GetMaxSize().GetWidth().GetUnits() == wxTEXT_ATTR_UNITS_TENTHS_MM)
+ mw = ConvertTenthsMMToPixels(dc, GetAttributes().GetTextBoxAttr().GetMaxSize().GetWidth().GetValue());
+ else if (GetAttributes().GetTextBoxAttr().GetMaxSize().GetWidth().GetUnits() == wxTEXT_ATTR_UNITS_PIXELS)
+ mw = GetAttributes().GetTextBoxAttr().GetMaxSize().GetWidth().GetValue();
+
+ // If we already have a smaller max width due to the constraints of the control size,
+ // don't use the larger max width.
+ if (mw != -1 && ((maxWidth == -1) || (mw < maxWidth)))
+ maxWidth = mw;
+ }
+
+ if (maxWidth > 0 && width > maxWidth)
+ width = maxWidth;
+
+ // Preserve the aspect ratio
+ if (width != m_originalImageSize.GetWidth())
+ height = (int) (float(m_originalImageSize.GetHeight()) * (float(width)/float(m_originalImageSize.GetWidth())));
+
+ if (GetAttributes().GetTextBoxAttr().GetHeight().IsValid() && GetAttributes().GetTextBoxAttr().GetHeight().GetValue() > 0)
+ {
+ if (parentHeight > 0 && GetAttributes().GetTextBoxAttr().GetHeight().GetUnits() == wxTEXT_ATTR_UNITS_PERCENTAGE)
+ height = (int) ((GetAttributes().GetTextBoxAttr().GetHeight().GetValue() * parentHeight)/100.0);
+ else if (GetAttributes().GetTextBoxAttr().GetHeight().GetUnits() == wxTEXT_ATTR_UNITS_TENTHS_MM)
+ height = ConvertTenthsMMToPixels(dc, GetAttributes().GetTextBoxAttr().GetHeight().GetValue());
+ else if (GetAttributes().GetTextBoxAttr().GetHeight().GetUnits() == wxTEXT_ATTR_UNITS_PIXELS)
+ height = GetAttributes().GetTextBoxAttr().GetHeight().GetValue();
+
+ // Preserve the aspect ratio
+ if (height != m_originalImageSize.GetHeight())
+ width = (int) (float(m_originalImageSize.GetWidth()) * (float(height)/float(m_originalImageSize.GetHeight())));
+ }
+
+ // Limit to max height
+
+ if (GetAttributes().GetTextBoxAttr().GetMaxSize().GetHeight().IsValid() && GetAttributes().GetTextBoxAttr().GetMaxSize().GetHeight().GetValue() > 0)
+ {
+ if (parentHeight > 0 && GetAttributes().GetTextBoxAttr().GetMaxSize().GetHeight().GetUnits() == wxTEXT_ATTR_UNITS_PERCENTAGE)
+ maxHeight = (int) ((GetAttributes().GetTextBoxAttr().GetMaxSize().GetHeight().GetValue() * parentHeight)/100.0);
+ else if (GetAttributes().GetTextBoxAttr().GetMaxSize().GetHeight().GetUnits() == wxTEXT_ATTR_UNITS_TENTHS_MM)
+ maxHeight = ConvertTenthsMMToPixels(dc, GetAttributes().GetTextBoxAttr().GetMaxSize().GetHeight().GetValue());
+ else if (GetAttributes().GetTextBoxAttr().GetMaxSize().GetHeight().GetUnits() == wxTEXT_ATTR_UNITS_PIXELS)
+ maxHeight = GetAttributes().GetTextBoxAttr().GetMaxSize().GetHeight().GetValue();
+ }
+
+ if (maxHeight > 0 && height > maxHeight)
+ {
+ height = maxHeight;
+
+ // Preserve the aspect ratio
+ if (height != m_originalImageSize.GetHeight())
+ width = (int) (float(m_originalImageSize.GetWidth()) * (float(height)/float(m_originalImageSize.GetHeight())));
+ }
+
+ // Prevent the use of zero size
+ width = wxMax(1, width);
+ height = wxMax(1, height);
+
+ if (m_imageCache.IsOk() && m_imageCache.GetWidth() == width && m_imageCache.GetHeight() == height)
+ {
+ // Do nothing, we didn't need to change the image cache
+ }
+ else
+ {
+ if (!image.IsOk())
+ {
+ m_imageBlock.Load(image);
+ if (!image.IsOk())
+ return false;
+ }
+
+ if (image.GetWidth() == width && image.GetHeight() == height)
+ m_imageCache = wxBitmap(image);
+ else
+ {
+ // If the original width and height is small, e.g. 400 or below,
+ // scale up and then down to improve image quality. This can make
+ // a big difference, with not much performance hit.
+ int upscaleThreshold = 400;
+ wxImage img;
+ if (image.GetWidth() <= upscaleThreshold || image.GetHeight() <= upscaleThreshold)
+ {
+ img = image.Scale(image.GetWidth()*2, image.GetHeight()*2);
+ img.Rescale(width, height, wxIMAGE_QUALITY_HIGH);
+ }
+ else
+ img = image.Scale(width, height, wxIMAGE_QUALITY_HIGH);
+ m_imageCache = wxBitmap(img);
+ }
+ }
+
+ return m_imageCache.IsOk();
+}
+
+/// Draw the item
+bool wxRichTextImage::Draw(wxDC& dc, wxRichTextDrawingContext& context, const wxRichTextRange& WXUNUSED(range), const wxRichTextSelection& selection, const wxRect& rect, int WXUNUSED(descent), int WXUNUSED(style))
+{
+ if (!IsShown())
+ return true;
+
+ // Don't need cached size AFAIK
+ // wxSize size = GetCachedSize();
+ if (!LoadImageCache(dc))
+ return false;
+
+ wxRichTextAttr attr(GetAttributes());
+ context.ApplyVirtualAttributes(attr, this);
+
+ DrawBoxAttributes(dc, GetBuffer(), attr, wxRect(rect.GetPosition(), GetCachedSize()));
+
+ wxSize imageSize(m_imageCache.GetWidth(), m_imageCache.GetHeight());
+ wxRect marginRect, borderRect, contentRect, paddingRect, outlineRect;
+ marginRect = rect; // outer rectangle, will calculate contentRect
+ GetBoxRects(dc, GetBuffer(), attr, marginRect, borderRect, contentRect, paddingRect, outlineRect);
+
+ dc.DrawBitmap(m_imageCache, contentRect.x, contentRect.y, true);
+
+ if (selection.WithinSelection(GetRange().GetStart(), this))
+ {
+ wxCheckSetBrush(dc, *wxBLACK_BRUSH);
+ wxCheckSetPen(dc, *wxBLACK_PEN);
+ dc.SetLogicalFunction(wxINVERT);
+ dc.DrawRectangle(contentRect);
+ dc.SetLogicalFunction(wxCOPY);
+ }
+
+ return true;
+}
+
+/// Lay the item out
+bool wxRichTextImage::Layout(wxDC& dc, wxRichTextDrawingContext& context, const wxRect& rect, const wxRect& WXUNUSED(parentRect), int WXUNUSED(style))
+{
+ if (!LoadImageCache(dc))
+ return false;
+
+ wxSize imageSize(m_imageCache.GetWidth(), m_imageCache.GetHeight());
+ wxRect marginRect, borderRect, contentRect, paddingRect, outlineRect;
+ contentRect = wxRect(wxPoint(0,0), imageSize);
+
+ wxRichTextAttr attr(GetAttributes());
+ context.ApplyVirtualAttributes(attr, this);
+
+ GetBoxRects(dc, GetBuffer(), attr, marginRect, borderRect, contentRect, paddingRect, outlineRect);
+
+ wxSize overallSize = marginRect.GetSize();
+
+ SetCachedSize(overallSize);
+ SetMaxSize(overallSize);
+ SetMinSize(overallSize);
+ SetPosition(rect.GetPosition());
+
+ return true;
+}
+
+/// Get/set the object size for the given range. Returns false if the range
+/// is invalid for this object.
+bool wxRichTextImage::GetRangeSize(const wxRichTextRange& range, wxSize& size, int& WXUNUSED(descent), wxDC& dc, wxRichTextDrawingContext& context, int WXUNUSED(flags), const wxPoint& WXUNUSED(position), const wxSize& parentSize, wxArrayInt* partialExtents) const
+{
+ if (!range.IsWithin(GetRange()))
+ return false;
+
+ if (!((wxRichTextImage*)this)->LoadImageCache(dc, false, parentSize))
+ {
+ size.x = 0; size.y = 0;
+ if (partialExtents)
+ partialExtents->Add(0);
+ return false;
+ }
+
+ wxRichTextAttr attr(GetAttributes());
+ context.ApplyVirtualAttributes(attr, (wxRichTextObject*) this);
+
+ wxSize imageSize(m_imageCache.GetWidth(), m_imageCache.GetHeight());
+ wxRect marginRect, borderRect, contentRect, paddingRect, outlineRect;
+ contentRect = wxRect(wxPoint(0,0), imageSize);
+ GetBoxRects(dc, GetBuffer(), attr, marginRect, borderRect, contentRect, paddingRect, outlineRect);
+
+ wxSize overallSize = marginRect.GetSize();
+
+ if (partialExtents)
+ partialExtents->Add(overallSize.x);
+
+ size = overallSize;
+
+ return true;
+}
+
+// Get the 'natural' size for an object. For an image, it would be the
+// image size.
+wxTextAttrSize wxRichTextImage::GetNaturalSize() const
+{
+ wxTextAttrSize size;
+ if (GetImageCache().IsOk())
+ {
+ size.SetWidth(GetImageCache().GetWidth(), wxTEXT_ATTR_UNITS_PIXELS);
+ size.SetHeight(GetImageCache().GetHeight(), wxTEXT_ATTR_UNITS_PIXELS);
+ }
+ return size;
+}
+
+
+/// Copy
+void wxRichTextImage::Copy(const wxRichTextImage& obj)
+{
+ wxRichTextObject::Copy(obj);
+
+ m_imageBlock = obj.m_imageBlock;
+ m_originalImageSize = obj.m_originalImageSize;
+}
+
+/// Edit properties via a GUI
+bool wxRichTextImage::EditProperties(wxWindow* parent, wxRichTextBuffer* buffer)
+{
+ wxRichTextObjectPropertiesDialog imageDlg(this, wxGetTopLevelParent(parent), wxID_ANY, _("Picture Properties"));
+ imageDlg.SetAttributes(GetAttributes());
+
+ if (imageDlg.ShowModal() == wxID_OK)
+ {
+ // By passing wxRICHTEXT_SETSTYLE_RESET, indeterminate attributes set by the user will be set as
+ // indeterminate in the object.
+ imageDlg.ApplyStyle(buffer->GetRichTextCtrl(), wxRICHTEXT_SETSTYLE_WITH_UNDO|wxRICHTEXT_SETSTYLE_RESET);
+ return true;
+ }
+ else
+ return false;
+}
+
+/*!
+ * Utilities
+ *
+ */
+
+/// Compare two attribute objects
+bool wxTextAttrEq(const wxRichTextAttr& attr1, const wxRichTextAttr& attr2)
+{
+ return (attr1 == attr2);
+}
+
+/// Compare tabs
+bool wxRichTextTabsEq(const wxArrayInt& tabs1, const wxArrayInt& tabs2)
+{
+ if (tabs1.GetCount() != tabs2.GetCount())
+ return false;
+
+ size_t i;
+ for (i = 0; i < tabs1.GetCount(); i++)
+ {
+ if (tabs1[i] != tabs2[i])
+ return false;
+ }
+ return true;
+}
+
+bool wxRichTextApplyStyle(wxRichTextAttr& destStyle, const wxRichTextAttr& style, wxRichTextAttr* compareWith)
+{
+ return destStyle.Apply(style, compareWith);
+}
+
+// Remove attributes
+bool wxRichTextRemoveStyle(wxRichTextAttr& destStyle, const wxRichTextAttr& style)
+{
+ return destStyle.RemoveStyle(style);
+}
+
+/// Combine two bitlists, specifying the bits of interest with separate flags.
+bool wxRichTextCombineBitlists(int& valueA, int valueB, int& flagsA, int flagsB)
+{
+ return wxRichTextAttr::CombineBitlists(valueA, valueB, flagsA, flagsB);
+}
+
+/// Compare two bitlists
+bool wxRichTextBitlistsEqPartial(int valueA, int valueB, int flags)
+{
+ return wxRichTextAttr::BitlistsEqPartial(valueA, valueB, flags);
+}
+
+/// Split into paragraph and character styles
+bool wxRichTextSplitParaCharStyles(const wxRichTextAttr& style, wxRichTextAttr& parStyle, wxRichTextAttr& charStyle)
+{
+ return wxRichTextAttr::SplitParaCharStyles(style, parStyle, charStyle);
+}
+
+/// Convert a decimal to Roman numerals
+wxString wxRichTextDecimalToRoman(long n)
+{
+ static wxArrayInt decimalNumbers;
+ static wxArrayString romanNumbers;
+
+ // Clean up arrays
+ if (n == -1)
+ {
+ decimalNumbers.Clear();
+ romanNumbers.Clear();
+ return wxEmptyString;
+ }
+
+ if (decimalNumbers.GetCount() == 0)
+ {
+ #define wxRichTextAddDecRom(n, r) decimalNumbers.Add(n); romanNumbers.Add(r);
+
+ wxRichTextAddDecRom(1000, wxT("M"));
+ wxRichTextAddDecRom(900, wxT("CM"));
+ wxRichTextAddDecRom(500, wxT("D"));
+ wxRichTextAddDecRom(400, wxT("CD"));
+ wxRichTextAddDecRom(100, wxT("C"));
+ wxRichTextAddDecRom(90, wxT("XC"));
+ wxRichTextAddDecRom(50, wxT("L"));
+ wxRichTextAddDecRom(40, wxT("XL"));
+ wxRichTextAddDecRom(10, wxT("X"));
+ wxRichTextAddDecRom(9, wxT("IX"));
+ wxRichTextAddDecRom(5, wxT("V"));
+ wxRichTextAddDecRom(4, wxT("IV"));
+ wxRichTextAddDecRom(1, wxT("I"));
+ }
+
+ int i = 0;
+ wxString roman;
+
+ while (n > 0 && i < 13)
+ {
+ if (n >= decimalNumbers[i])
+ {
+ n -= decimalNumbers[i];
+ roman += romanNumbers[i];
+ }
+ else
+ {
+ i ++;
+ }
+ }
+ if (roman.IsEmpty())
+ roman = wxT("0");
+ return roman;
+}
+
+/*!
+ * wxRichTextFileHandler
+ * Base class for file handlers
+ */
+
+IMPLEMENT_CLASS(wxRichTextFileHandler, wxObject)
+
+#if wxUSE_FFILE && wxUSE_STREAMS
+bool wxRichTextFileHandler::LoadFile(wxRichTextBuffer *buffer, const wxString& filename)
+{
+ wxFFileInputStream stream(filename);
+ if (stream.IsOk())
+ return LoadFile(buffer, stream);
+
+ return false;
+}
+
+bool wxRichTextFileHandler::SaveFile(wxRichTextBuffer *buffer, const wxString& filename)
+{
+ wxFFileOutputStream stream(filename);
+ if (stream.IsOk())
+ return SaveFile(buffer, stream);
+
+ return false;
+}
+#endif // wxUSE_FFILE && wxUSE_STREAMS
+
+/// Can we handle this filename (if using files)? By default, checks the extension.
+bool wxRichTextFileHandler::CanHandle(const wxString& filename) const
+{
+ wxString path, file, ext;
+ wxFileName::SplitPath(filename, & path, & file, & ext);
+
+ return (ext.Lower() == GetExtension());
+}
+
+/*!
+ * wxRichTextTextHandler
+ * Plain text handler
+ */
+
+IMPLEMENT_CLASS(wxRichTextPlainTextHandler, wxRichTextFileHandler)
+
+#if wxUSE_STREAMS
+bool wxRichTextPlainTextHandler::DoLoadFile(wxRichTextBuffer *buffer, wxInputStream& stream)
+{
+ if (!stream.IsOk())
+ return false;
+
+ wxString str;
+ int lastCh = 0;
+
+ while (!stream.Eof())
+ {
+ int ch = stream.GetC();
+
+ if (!stream.Eof())
+ {
+ if (ch == 10 && lastCh != 13)
+ str += wxT('\n');
+
+ if (ch > 0 && ch != 10)
projects / wxWidgets.git / blobdiff