X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/914a4e23e40db922ba3ca1b8014f2643729415f9..fb8d7eb7a880f1f2e32d8830f9c5e12b2536e05f:/src/richtext/richtextbuffer.cpp

diff --git a/src/richtext/richtextbuffer.cpp b/src/richtext/richtextbuffer.cpp
index 2a6374708d..4847d40e1d 100644
--- a/src/richtext/richtextbuffer.cpp
+++ b/src/richtext/richtextbuffer.cpp
@@ -1447,7 +1447,6 @@ bool wxRichTextCompositeObject::Defragment(wxRichTextDrawingContext& context, co
                 if (node->GetNext())
                 {
                     wxRichTextObject* nextChild = node->GetNext()->GetData();
-                    wxRichTextObjectList::compatibility_iterator nextNode = node->GetNext();
                     
                     // First split child and nextChild so we have smaller fragments to merge.
                     // Then Merge only has to test per-object virtual attributes
@@ -3319,7 +3318,17 @@ bool wxRichTextParagraphLayoutBox::SetStyle(const wxRichTextRange& range, const
                             wxRichTextRemoveStyle(child->GetAttributes(), style);
                         }
                         else if (resetExistingStyle)
+                        {
+                            // Preserve the URL as it's not really a formatting style but a property of the object
+                            wxString url;
+                            if (child->GetAttributes().HasURL() && !characterAttributes.HasURL())
+                                url = child->GetAttributes().GetURL();
+
                             child->GetAttributes() = characterAttributes;
+
+                            if (!url.IsEmpty())
+                                child->GetAttributes().SetURL(url);
+                        }
                         else
                         {
                             if (applyMinimal)
@@ -3779,7 +3788,7 @@ void wxRichTextParagraphLayoutBox::Reset()
     wxRichTextBuffer* buffer = GetBuffer();
     if (buffer && buffer->GetRichTextCtrl())
     {
-        wxRichTextEvent event(wxEVT_COMMAND_RICHTEXT_BUFFER_RESET, buffer->GetRichTextCtrl()->GetId());
+        wxRichTextEvent event(wxEVT_RICHTEXT_BUFFER_RESET, buffer->GetRichTextCtrl()->GetId());
         event.SetEventObject(buffer->GetRichTextCtrl());
         event.SetContainer(this);
 
@@ -4678,10 +4687,14 @@ bool wxRichTextParagraph::Layout(wxDC& dc, wxRichTextDrawingContext& context, co
     int lineSpacing = 0;
 
     // Let's assume line spacing of 10 is normal, 15 is 1.5, 20 is 2, etc.
-    if (attr.HasLineSpacing() && attr.GetLineSpacing() > 0 && attr.GetFont().IsOk())
+    if (attr.HasLineSpacing() && attr.GetLineSpacing() > 0 && attr.HasFont())
     {
-        wxCheckSetFont(dc, attr.GetFont());
-        lineSpacing = (int) (double(dc.GetCharHeight()) * (double(attr.GetLineSpacing())/10.0 - 1.0));
+        wxFont font(buffer->GetFontTable().FindFont(attr));
+        if (font.IsOk())
+        {
+            wxCheckSetFont(dc, font);
+            lineSpacing = (int) (double(dc.GetCharHeight()) * (double(attr.GetLineSpacing())/10.0 - 1.0));
+        }
     }
 
     // Start position for each line relative to the paragraph
@@ -5106,6 +5119,9 @@ bool wxRichTextParagraph::Layout(wxDC& dc, wxRichTextDrawingContext& context, co
         currentPosition.y += lineHeight;
         currentPosition.y += lineSpacing;
         lineCount ++;
+
+        // Apply paragraph styles such as alignment to the wrapped line
+        ApplyParagraphStyle(line, attr, availableRect, dc);
     }
 
     // Remove remaining unused line objects, if any
@@ -8587,7 +8603,7 @@ bool wxRichTextBuffer::SetStyleSheetAndNotify(wxRichTextStyleSheet* sheet)
     if (GetRichTextCtrl())
         winid = GetRichTextCtrl()->GetId();
 
-    wxRichTextEvent event(wxEVT_COMMAND_RICHTEXT_STYLESHEET_REPLACING, winid);
+    wxRichTextEvent event(wxEVT_RICHTEXT_STYLESHEET_REPLACING, winid);
     event.SetEventObject(GetRichTextCtrl());
     event.SetContainer(GetRichTextCtrl()->GetFocusObject());
     event.SetOldStyleSheet(oldSheet);
@@ -8607,7 +8623,7 @@ bool wxRichTextBuffer::SetStyleSheetAndNotify(wxRichTextStyleSheet* sheet)
 
     SetStyleSheet(sheet);
 
-    event.SetEventType(wxEVT_COMMAND_RICHTEXT_STYLESHEET_REPLACED);
+    event.SetEventType(wxEVT_RICHTEXT_STYLESHEET_REPLACED);
     event.SetOldStyleSheet(NULL);
     event.Allow();
 
@@ -10071,6 +10087,8 @@ void wxRichTextTable::ClearTable()
 {
     m_cells.Clear();
     DeleteChildren();
+    m_rowCount = 0;
+    m_colCount = 0;
 }
 
 bool wxRichTextTable::CreateTable(int rows, int cols)
@@ -10223,12 +10241,68 @@ bool wxRichTextTable::SetCellStyle(const wxRichTextSelection& selection, const w
     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)
+    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++)
     {
@@ -10246,25 +10320,68 @@ bool wxRichTextTable::DeleteRows(int startRow, int noRows)
 
     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)
+    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 = startCol; j < (startCol+noCols); j++)
+        for (j = 0; j < noCols; j++) 
         {
-            wxRichTextObject* cell = colArray[j];
+            wxRichTextObject* cell = colArray[startCol];
             RemoveChild(cell, true);
+            colArray.RemoveAt(startCol);
         }
 
         if (deleteRows)
@@ -10275,6 +10392,13 @@ bool wxRichTextTable::DeleteColumns(int startCol, int noCols)
         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;
 }
 
@@ -10284,6 +10408,19 @@ bool wxRichTextTable::AddRows(int startRow, int noRows, const wxRichTextAttr& at
     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++)
     {
@@ -10306,11 +10443,20 @@ bool wxRichTextTable::AddRows(int startRow, int noRows, const wxRichTextAttr& at
             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;
 }
 
@@ -10320,6 +10466,19 @@ bool wxRichTextTable::AddColumns(int startCol, int noCols, const wxRichTextAttr&
     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++)
     {
@@ -10330,6 +10489,7 @@ bool wxRichTextTable::AddColumns(int startCol, int noCols, const wxRichTextAttr&
             cell->GetAttributes() = attr;
 
             AppendChild(cell);
+            cell->AddParagraph(wxEmptyString);
 
             if (startCol == m_colCount)
                 colArray.Add(cell);
@@ -10340,6 +10500,13 @@ bool wxRichTextTable::AddColumns(int startCol, int noCols, const wxRichTextAttr&
 
     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;
 }
 
@@ -10407,8 +10574,8 @@ IMPLEMENT_DYNAMIC_CLASS(wxRichTextModule, wxModule)
 void wxRichTextModuleInit()
 {
     wxModule* module = new wxRichTextModule;
-    module->Init();
     wxModule::RegisterModule(module);
+    wxModule::InitializeModules();
 }
 
 
@@ -10609,7 +10776,7 @@ bool wxRichTextAction::Do()
             UpdateAppearance(newCaretPosition, true /* send update event */, & optimizationLineCharPositions, & optimizationLineYPositions, true /* do */);
 
             wxRichTextEvent cmdEvent(
-                wxEVT_COMMAND_RICHTEXT_CONTENT_INSERTED,
+                wxEVT_RICHTEXT_CONTENT_INSERTED,
                 m_ctrl ? m_ctrl->GetId() : -1);
             cmdEvent.SetEventObject(m_ctrl ? (wxObject*) m_ctrl : (wxObject*) m_buffer);
             cmdEvent.SetRange(GetRange());
@@ -10642,7 +10809,7 @@ bool wxRichTextAction::Do()
             UpdateAppearance(caretPos, true /* send update event */, & optimizationLineCharPositions, & optimizationLineYPositions, true /* do */);
 
             wxRichTextEvent cmdEvent(
-                wxEVT_COMMAND_RICHTEXT_CONTENT_DELETED,
+                wxEVT_RICHTEXT_CONTENT_DELETED,
                 m_ctrl ? m_ctrl->GetId() : -1);
             cmdEvent.SetEventObject(m_ctrl ? (wxObject*) m_ctrl : (wxObject*) m_buffer);
             cmdEvent.SetRange(GetRange());
@@ -10671,7 +10838,7 @@ bool wxRichTextAction::Do()
             UpdateAppearance(GetPosition());
 
             wxRichTextEvent cmdEvent(
-                m_cmdId == wxRICHTEXT_CHANGE_STYLE ? wxEVT_COMMAND_RICHTEXT_STYLE_CHANGED : wxEVT_COMMAND_RICHTEXT_PROPERTIES_CHANGED,
+                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());
@@ -10703,7 +10870,7 @@ bool wxRichTextAction::Do()
             UpdateAppearance(GetPosition());
 
             wxRichTextEvent cmdEvent(
-                wxEVT_COMMAND_RICHTEXT_STYLE_CHANGED,
+                wxEVT_RICHTEXT_STYLE_CHANGED,
                 m_ctrl ? m_ctrl->GetId() : -1);
             cmdEvent.SetEventObject(m_ctrl ? (wxObject*) m_ctrl : (wxObject*) m_buffer);
             cmdEvent.SetRange(GetRange());
@@ -10717,10 +10884,21 @@ bool wxRichTextAction::Do()
     case wxRICHTEXT_CHANGE_OBJECT:
         {
             wxRichTextObject* obj = m_objectAddress.GetObject(m_buffer);
-            // wxRichTextObject* obj = container->GetChildAtPosition(GetRange().GetStart());
-            if (obj && m_object)
+            if (obj && m_object && m_ctrl)
             {
-                wxRichTextObjectList::compatibility_iterator node = container->GetChildren().Find(obj);
+                // 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();
@@ -10782,7 +10960,7 @@ bool wxRichTextAction::Undo()
             UpdateAppearance(newCaretPosition, true, /* send update event */ & optimizationLineCharPositions, & optimizationLineYPositions, false /* undo */);
 
             wxRichTextEvent cmdEvent(
-                wxEVT_COMMAND_RICHTEXT_CONTENT_DELETED,
+                wxEVT_RICHTEXT_CONTENT_DELETED,
                 m_ctrl ? m_ctrl->GetId() : -1);
             cmdEvent.SetEventObject(m_ctrl ? (wxObject*) m_ctrl : (wxObject*) m_buffer);
             cmdEvent.SetRange(GetRange());
@@ -10812,7 +10990,7 @@ bool wxRichTextAction::Undo()
             UpdateAppearance(GetPosition(), true, /* send update event */ & optimizationLineCharPositions, & optimizationLineYPositions, false /* undo */);
 
             wxRichTextEvent cmdEvent(
-                wxEVT_COMMAND_RICHTEXT_CONTENT_INSERTED,
+                wxEVT_RICHTEXT_CONTENT_INSERTED,
                 m_ctrl ? m_ctrl->GetId() : -1);
             cmdEvent.SetEventObject(m_ctrl ? (wxObject*) m_ctrl : (wxObject*) m_buffer);
             cmdEvent.SetRange(GetRange());
@@ -10834,7 +11012,7 @@ bool wxRichTextAction::Undo()
             UpdateAppearance(GetPosition());
 
             wxRichTextEvent cmdEvent(
-                m_cmdId == wxRICHTEXT_CHANGE_STYLE ? wxEVT_COMMAND_RICHTEXT_STYLE_CHANGED : wxEVT_COMMAND_RICHTEXT_PROPERTIES_CHANGED,
+                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());
@@ -10909,13 +11087,16 @@ void wxRichTextAction::UpdateAppearance(long caretPosition, bool sendUpdateEvent
                 // 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(GetPosition());
+                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)
                 {
-                    firstY = para->GetPosition().y;
+                    // 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);
@@ -10963,7 +11144,7 @@ void wxRichTextAction::UpdateAppearance(long caretPosition, bool sendUpdateEvent
                                     // Stop, we're now the same as we were
                                     foundEnd = true;
 
-                                    lastY = pt.y;
+                                    lastY = pt.y + line->GetSize().y;
 
                                     node2 = wxRichTextLineList::compatibility_iterator();
                                     node = wxRichTextObjectList::compatibility_iterator();
@@ -11906,7 +12087,7 @@ wxString wxRichTextImageBlock::GetExtension() const
  * The data object for a wxRichTextBuffer
  */
 
-const wxChar *wxRichTextBufferDataObject::ms_richTextBufferFormatId = wxT("wxShape");
+const wxChar *wxRichTextBufferDataObject::ms_richTextBufferFormatId = wxT("wxRichText");
 
 wxRichTextBufferDataObject::wxRichTextBufferDataObject(wxRichTextBuffer* richTextBuffer)
 {