compilation fix for !wxUSE_MIMETYPE

[wxWidgets.git] / src / richtext / richtextbuffer.cpp

diff --git a/src/richtext/richtextbuffer.cpp b/src/richtext/richtextbuffer.cpp
index d250a15a0eed6ecd52ad3881a757b5ad9a3ef2ee..39129eb982fc68f8ef6e92458874950d0beb2f04 100644 (file)
--- a/src/richtext/richtextbuffer.cpp
+++ b/src/richtext/richtextbuffer.cpp
@@ -103,11 +103,21 @@ void wxRichTextObject::SetMargins(int leftMargin, int rightMargin, int topMargin
     m_bottomMargin = bottomMargin;
 }
 
-// Convert units in tends of a millimetre to device units
+// Convert units in tenths of a millimetre to device units
 int wxRichTextObject::ConvertTenthsMMToPixels(wxDC& dc, int units)
 {
-    int ppi = dc.GetPPI().x;
+    int p = ConvertTenthsMMToPixels(dc.GetPPI().x, units);
 
+    // Unscale
+    wxRichTextBuffer* buffer = GetBuffer();
+    if (buffer)
+        p = (int) ((double)p / buffer->GetScale());
+    return p;
+}
+
+// Convert units in tenths of a millimetre to device units
+int wxRichTextObject::ConvertTenthsMMToPixels(int ppi, int units)
+{
     // There are ppi pixels in 254.1 "1/10 mm"
 
     double pixels = ((double) units * (double)ppi) / 254.1;
@@ -123,6 +133,14 @@ void wxRichTextObject::Dump(wxTextOutputStream& stream)
     stream << wxString::Format(wxT("Text colour: %d,%d,%d."), (int) m_attributes.GetTextColour().Red(), (int) m_attributes.GetTextColour().Green(), (int) m_attributes.GetTextColour().Blue()) << wxT("\n");
 }
 
+/// Gets the containing buffer
+wxRichTextBuffer* wxRichTextObject::GetBuffer() const
+{
+    const wxRichTextObject* obj = this;
+    while (obj && !obj->IsKindOf(CLASSINFO(wxRichTextBuffer)))
+        obj = obj->GetParent();
+    return wxDynamicCast(obj, wxRichTextBuffer);
+}
 
 /*!
  * wxRichTextCompositeObject
@@ -508,12 +526,12 @@ bool wxRichTextParagraphLayoutBox::Draw(wxDC& dc, const wxRichTextRange& range,
         {
             wxRect childRect(child->GetPosition(), child->GetCachedSize());
 
-            if (childRect.GetTop() > rect.GetBottom() || childRect.GetBottom() < rect.GetTop())
+            if (((style & wxRICHTEXT_DRAW_IGNORE_CACHE) == 0) && childRect.GetTop() > rect.GetBottom() || childRect.GetBottom() < rect.GetTop())
             {
                 // Skip
             }
             else
-                child->Draw(dc, child->GetRange(), selectionRange, childRect, descent, style);
+                child->Draw(dc, range, selectionRange, childRect, descent, style);
         }
 
         node = node->GetNext();
@@ -528,7 +546,10 @@ bool wxRichTextParagraphLayoutBox::Layout(wxDC& dc, const wxRect& rect, int styl
     bool formatRect = (style & wxRICHTEXT_LAYOUT_SPECIFIED_RECT) == wxRICHTEXT_LAYOUT_SPECIFIED_RECT;
 
     // If only laying out a specific area, the passed rect has a different meaning:
-    // the visible part of the buffer.
+    // the visible part of the buffer. This is used in wxRichTextCtrl::OnSize,
+    // so that during a size, only the visible part will be relaid out, or
+    // it would take too long causing flicker. As an approximation, we assume that
+    // everything up to the start of the visible area is laid out correctly.
     if (formatRect)
     {
         availableSpace = wxRect(0 + m_leftMargin,
@@ -2399,6 +2420,8 @@ void wxRichTextParagraphLayoutBox::Reset()
     Clear();
 
     AddParagraph(wxEmptyString);
+    
+    Invalidate(wxRICHTEXT_ALL);
 }
 
 /// Invalidate the buffer. With no argument, invalidates whole buffer.
@@ -2975,7 +2998,7 @@ wxRichTextParagraph::~wxRichTextParagraph()
 }
 
 /// Draw the item
-bool wxRichTextParagraph::Draw(wxDC& dc, const wxRichTextRange& WXUNUSED(range), const wxRichTextRange& selectionRange, const wxRect& WXUNUSED(rect), int WXUNUSED(descent), int style)
+bool wxRichTextParagraph::Draw(wxDC& dc, const wxRichTextRange& range, const wxRichTextRange& selectionRange, const wxRect& WXUNUSED(rect), int WXUNUSED(descent), int style)
 {
 #if wxRICHTEXT_USE_DYNAMIC_STYLES
     wxTextAttrEx attr = GetCombinedAttributes();
@@ -3060,7 +3083,8 @@ bool wxRichTextParagraph::Draw(wxDC& dc, const wxRichTextRange& WXUNUSED(range),
         while (node2)
         {
             wxRichTextObject* child = node2->GetData();
-            if (!child->GetRange().IsOutside(lineRange))
+            
+            if (!child->GetRange().IsOutside(lineRange) && !lineRange.IsOutside(range))
             {
                 // Draw this part of the line at the correct position
                 wxRichTextRange objectRange(child->GetRange());
@@ -3328,7 +3352,7 @@ void wxRichTextParagraph::ApplyParagraphStyle(const wxTextAttrEx& attr, const wx
         }
         else if (attr.HasAlignment() && GetAttributes().GetAlignment() == wxTEXT_ALIGNMENT_RIGHT)
         {
-            pos.x = rect.GetRight() - size.x;
+            pos.x = pos.x + rect.GetWidth() - size.x;
             line->SetPosition(pos);
         }
 
@@ -4510,6 +4534,7 @@ void wxRichTextBuffer::Init()
     m_batchedCommand = NULL;
     m_suppressUndo = 0;
     m_handlerFlags = 0;
+    m_scale = 1.0;
 }
 
 /// Initialisation
@@ -4522,19 +4547,12 @@ wxRichTextBuffer::~wxRichTextBuffer()
     ClearEventHandlers();
 }
 
-void wxRichTextBuffer::Clear()
+void wxRichTextBuffer::ResetAndClearCommands()
 {
-    DeleteChildren();
+    Reset();
+    
     GetCommandProcessor()->ClearCommands();
-    Modify(false);
-    Invalidate(wxRICHTEXT_ALL);
-}
 
-void wxRichTextBuffer::Reset()
-{
-    DeleteChildren();
-    AddParagraph(wxEmptyString);
-    GetCommandProcessor()->ClearCommands();
     Modify(false);
     Invalidate(wxRICHTEXT_ALL);
 }
@@ -4794,7 +4812,7 @@ wxRichTextAttr wxRichTextBuffer::GetStyleForNewParagraph(long pos, bool caretPos
         {
             wxRichTextAttr numberingAttr;
             if (FindNextParagraphNumber(para, numberingAttr))
-                wxRichTextApplyStyle(attr, numberingAttr);
+                wxRichTextApplyStyle(attr, (const wxRichTextAttr&) numberingAttr);
         }
 
         return attr;
@@ -5629,7 +5647,7 @@ void wxRichTextBuffer::SetRenderer(wxRichTextRenderer* renderer)
     sm_renderer = renderer;
 }
 
-bool wxRichTextStdRenderer::DrawStandardBullet(wxRichTextParagraph* WXUNUSED(paragraph), wxDC& dc, const wxTextAttrEx& bulletAttr, const wxRect& rect)
+bool wxRichTextStdRenderer::DrawStandardBullet(wxRichTextParagraph* paragraph, wxDC& dc, const wxTextAttrEx& bulletAttr, const wxRect& rect)
 {
     if (bulletAttr.GetTextColour().Ok())
     {
@@ -5664,7 +5682,7 @@ bool wxRichTextStdRenderer::DrawStandardBullet(wxRichTextParagraph* WXUNUSED(par
     y = y + (charHeight+1)/2 - (bulletHeight+1)/2;
                 
     // The margin between a bullet and text.
-    int margin = wxRichTextObject::ConvertTenthsMMToPixels(dc, wxRichTextBuffer::GetBulletRightMargin());
+    int margin = paragraph->ConvertTenthsMMToPixels(dc, wxRichTextBuffer::GetBulletRightMargin());
                 
     if (bulletAttr.GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_ALIGN_RIGHT)
         x = rect.x + rect.width - bulletWidth - margin;
@@ -5702,7 +5720,7 @@ bool wxRichTextStdRenderer::DrawStandardBullet(wxRichTextParagraph* WXUNUSED(par
     return true;
 }
 
-bool wxRichTextStdRenderer::DrawTextBullet(wxRichTextParagraph* WXUNUSED(paragraph), wxDC& dc, const wxTextAttrEx& attr, const wxRect& rect, const wxString& text)
+bool wxRichTextStdRenderer::DrawTextBullet(wxRichTextParagraph* paragraph, wxDC& dc, const wxTextAttrEx& attr, const wxRect& rect, const wxString& text)
 {
     if (!text.empty())
     {
@@ -5735,7 +5753,7 @@ bool wxRichTextStdRenderer::DrawTextBullet(wxRichTextParagraph* WXUNUSED(paragra
         int y = rect.y + (rect.height - charHeight);    
 
         // The margin between a bullet and text.
-        int margin = wxRichTextObject::ConvertTenthsMMToPixels(dc, wxRichTextBuffer::GetBulletRightMargin());
+        int margin = paragraph->ConvertTenthsMMToPixels(dc, wxRichTextBuffer::GetBulletRightMargin());
                 
         if (attr.GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_ALIGN_RIGHT)
             x = (rect.x + rect.width) - tw - margin;
@@ -6509,6 +6527,14 @@ bool wxRichTextApplyStyle(wxRichTextAttr& destStyle, const wxTextAttrEx& style)
     return true;
 }
 
+bool wxRichTextApplyStyle(wxRichTextAttr& destStyle, const wxRichTextAttr& style, wxRichTextAttr* compareWith)
+{
+    wxTextAttrEx attr(destStyle);
+    wxRichTextApplyStyle(attr, style, compareWith);
+    destStyle = attr;
+    return true;
+}
+
 bool wxRichTextApplyStyle(wxTextAttrEx& destStyle, const wxRichTextAttr& style, wxRichTextAttr* compareWith)
 {
     // Whole font. Avoiding setting individual attributes if possible, since