From c937344c8f4bbd14b96ddba8adcdd15341c06ffd Mon Sep 17 00:00:00 2001
From: Robert Roebling <robert@roebling.de>
Date: Sun, 8 Mar 2009 21:41:57 +0000
Subject: [PATCH] Commit most parts of #10495 wxDataViewCtrl needs a way to
 start the label editor programmatically

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@59438 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---
 include/wx/generic/dataview.h |   2 +
 src/common/datavcmn.cpp       |   4 ++
 src/generic/datavgen.cpp      | 110 +++++++++++++++++++++++++++-------
 3 files changed, 95 insertions(+), 21 deletions(-)

diff --git a/include/wx/generic/dataview.h b/include/wx/generic/dataview.h
index 267e2c98a9..35bee5a82a 100644
--- a/include/wx/generic/dataview.h
+++ b/include/wx/generic/dataview.h
@@ -463,6 +463,8 @@ public:
 
     virtual wxBorder GetDefaultBorder() const;
 
+    void StartEditor( const wxDataViewItem & item, unsigned int column );
+
 protected:
     virtual int GetSelections( wxArrayInt & sel ) const;
     virtual void SetSelections( const wxArrayInt & sel );
diff --git a/src/common/datavcmn.cpp b/src/common/datavcmn.cpp
index 17f3e911d3..6a62fa9692 100644
--- a/src/common/datavcmn.cpp
+++ b/src/common/datavcmn.cpp
@@ -702,6 +702,10 @@ bool wxDataViewRendererBase::StartEditing( const wxDataViewItem &item, wxRect la
 
     m_editorCtrl->PushEventHandler( handler );
 
+    // there might be no editor control for the given item
+    if (!m_editorCtrl)
+        return false;
+        
 #if defined(__WXGTK20__) && !defined(wxUSE_GENERICDATAVIEWCTRL)
     handler->SetFocusOnIdle();
 #else
diff --git a/src/generic/datavgen.cpp b/src/generic/datavgen.cpp
index cd8b74d5d7..35961c86ce 100644
--- a/src/generic/datavgen.cpp
+++ b/src/generic/datavgen.cpp
@@ -1130,19 +1130,33 @@ wxSize wxDataViewIconTextRenderer::GetSize() const
     return wxSize(80,20);
 }
 
-wxControl *
-wxDataViewIconTextRenderer::CreateEditorCtrl(wxWindow * WXUNUSED(parent),
-                                            wxRect WXUNUSED(labelRect),
-                                            const wxVariant& WXUNUSED(value))
+wxControl* wxDataViewIconTextRenderer::CreateEditorCtrl(wxWindow *parent, wxRect labelRect, const wxVariant& value)
 {
-    return NULL;
+    wxDataViewIconText iconText;
+    iconText << value;
+
+    wxString text = iconText.GetText();
+
+    // adjust the label rect to take the width of the icon into account
+    if (iconText.GetIcon().IsOk())
+    {
+        int w = iconText.GetIcon().GetWidth() + 4;
+        labelRect.x += w;
+        labelRect.width -= w;
+    }
+
+    return new wxTextCtrl( parent, wxID_ANY, text,
+                           wxPoint(labelRect.x,labelRect.y),
+                           wxSize(labelRect.width,labelRect.height) );
 }
 
-bool
-wxDataViewIconTextRenderer::GetValueFromEditorCtrl(wxControl* WXUNUSED(editor),
-                                                wxVariant& WXUNUSED(value))
+bool wxDataViewIconTextRenderer::GetValueFromEditorCtrl( wxControl *editor, wxVariant& value )
 {
-    return false;
+    wxTextCtrl *text = (wxTextCtrl*) editor;
+
+    wxDataViewIconText iconText(text->GetValue(), m_value.GetIcon());
+    value << iconText;
+    return true;
 }
 
 //-----------------------------------------------------------------------------
@@ -3143,21 +3157,64 @@ void wxDataViewMainWindow::HitTest( const wxPoint & point, wxDataViewItem & item
 wxRect wxDataViewMainWindow::GetItemRect( const wxDataViewItem & item, 
                                           const wxDataViewColumn* column )
 {
+    int xpos = 0;
+    int width = 0;
+	
+    unsigned int cols = GetOwner()->GetColumnCount();
+    // If column is null the loop will compute the combined width of all columns.
+    // Otherwise, it will compute the x position of the column we are looking for.
+    for (unsigned int i = 0; i < cols; i++)
+    {
+        wxDataViewColumn* col = GetOwner()->GetColumnAt( i );
+
+        if (col == column)
+            break;
+
+        if (col->IsHidden())
+            continue;      // skip it!
+
+        xpos += col->GetWidth();
+        width += col->GetWidth();
+    }
+
+    if(column != 0)
+    {
+        // If we have a column, we need can get its width directly.
+        if(column->IsHidden())
+            width = 0;
+        else
+            width = column->GetWidth();
+
+    }
+    else
+    {
+        // If we have no column, we reset the x position back to zero.
+        xpos = 0;
+    }
+
+    // we have to take an expander column into account and compute its indentation
+    // to get the correct x position where the actual text is
+    int indent = 0;
     int row = GetRowByItem(item);
-    int y = GetLineStart( row );
-    int h = GetLineHeight( m_lineHeight );
-    int x = 0;
-    wxDataViewColumn *col = NULL;
-    for( int i = 0, cols = GetOwner()->GetColumnCount(); i < cols; i ++ )
+    if (!IsVirtualList() && (column == 0 || GetOwner()->GetExpanderColumn() == column) )
     {
-    col = GetOwner()->GetColumnAt( i );
-    x += col->GetWidth();
-    if( GetOwner()->GetColumnAt(i+1) == column )
-        break;
+        wxDataViewTreeNode* node = GetTreeNodeByRow(row);
+        indent = GetOwner()->GetIndent() * node->GetIndentLevel();
+        indent = indent + m_lineHeight;	// use m_lineHeight as the width of the expander
+
+        if(!node->HasChildren())
+            delete node;
     }
-    int w = col->GetWidth();
-    m_owner->CalcScrolledPosition( x, y, &x, &y );
-    return wxRect(x, y, w, h);
+
+    wxRect itemRect( xpos + indent,
+                     GetLineStart( row ),
+                     width - indent,
+                     GetLineHeight( row ) );
+
+    GetOwner()->CalcScrolledPosition(  itemRect.x,  itemRect.y,
+                                      &itemRect.x, &itemRect.y );
+
+    return itemRect;
 }
 
 int wxDataViewMainWindow::RecalculateCount()
@@ -4367,6 +4424,17 @@ bool wxDataViewCtrl::IsExpanded( const wxDataViewItem & item ) const
     return false;
 }
 
+void wxDataViewCtrl::StartEditor( const wxDataViewItem & item, unsigned int column )
+{
+    wxDataViewColumn* col = GetColumn( column );
+    if (!col)
+        return;
+  
+    wxRect itemRect = GetItemRect(item, col);
+    wxDataViewRenderer* renderer = col->GetRenderer();
+    renderer->StartEditing(item, itemRect);
+}
+
 #endif
     // !wxUSE_GENERICDATAVIEWCTRL
 
-- 
2.45.2