uses system's default UI font in the help browser by default

[wxWidgets.git] / src / generic / grid.cpp

diff --git a/src/generic/grid.cpp b/src/generic/grid.cpp
index f38e12eb13300ff1a7d159f4e0f48237b95f7fe0..4b0e08f185394ae8a8d3136a4628f509cf4bc419 100644 (file)
--- a/src/generic/grid.cpp
+++ b/src/generic/grid.cpp
@@ -109,6 +109,7 @@ DEFINE_EVENT_TYPE(wxEVT_GRID_CELL_LEFT_CLICK)
 DEFINE_EVENT_TYPE(wxEVT_GRID_CELL_RIGHT_CLICK)
 DEFINE_EVENT_TYPE(wxEVT_GRID_CELL_LEFT_DCLICK)
 DEFINE_EVENT_TYPE(wxEVT_GRID_CELL_RIGHT_DCLICK)
+DEFINE_EVENT_TYPE(wxEVT_GRID_CELL_BEGIN_DRAG)
 DEFINE_EVENT_TYPE(wxEVT_GRID_LABEL_LEFT_CLICK)
 DEFINE_EVENT_TYPE(wxEVT_GRID_LABEL_RIGHT_CLICK)
 DEFINE_EVENT_TYPE(wxEVT_GRID_LABEL_LEFT_DCLICK)
@@ -1460,18 +1461,12 @@ bool wxGridCellChoiceEditor::EndEdit(int row, int col,
                                      wxGrid* grid)
 {
     wxString value = Combo()->GetValue();
-    bool changed = value != m_startValue;
-
-    if ( changed )
-        grid->GetTable()->SetValue(row, col, value);
+    if ( value == m_startValue )
+        return false;
 
-    m_startValue = wxEmptyString;
-    if (m_allowOthers)
-        Combo()->SetValue(m_startValue);
-    else
-        Combo()->SetSelection(0);
+    grid->GetTable()->SetValue(row, col, value);
 
-    return changed;
+    return true;
 }
 
 void wxGridCellChoiceEditor::Reset()
@@ -3855,6 +3850,7 @@ wxGrid::wxGrid( wxWindow *parent,
     m_rowMinHeights(GRID_HASH_SIZE)
 {
     Create();
+    SetBestFittingSize(size);
 }
 
 bool wxGrid::Create(wxWindow *parent, wxWindowID id,
@@ -3869,7 +3865,7 @@ bool wxGrid::Create(wxWindow *parent, wxWindowID id,
     m_rowMinHeights = wxLongToLongHashMap(GRID_HASH_SIZE) ;
 
     Create() ;
-
+    SetBestFittingSize(size);
 
     return true;
 }
@@ -4139,6 +4135,7 @@ void wxGrid::Init()
     m_canDragRowSize = true;
     m_canDragColSize = true;
     m_canDragGridSize = true;
+    m_canDragCell = false;
     m_dragLastPos  = -1;
     m_dragRowOrCol = -1;
     m_isDragging = false;
@@ -4312,16 +4309,16 @@ void wxGrid::CalcWindowSizes()
     int cw, ch;
     GetClientSize( &cw, &ch );
 
-    if ( m_cornerLabelWin->IsShown() )
+    if ( m_cornerLabelWin && m_cornerLabelWin->IsShown() )
         m_cornerLabelWin->SetSize( 0, 0, m_rowLabelWidth, m_colLabelHeight );
 
-    if ( m_colLabelWin->IsShown() )
+    if (  m_colLabelWin && m_colLabelWin->IsShown() )
         m_colLabelWin->SetSize( m_rowLabelWidth, 0, cw-m_rowLabelWidth, m_colLabelHeight);
 
-    if ( m_rowLabelWin->IsShown() )
+    if ( m_rowLabelWin && m_rowLabelWin->IsShown() )
         m_rowLabelWin->SetSize( 0, m_colLabelHeight, m_rowLabelWidth, ch-m_colLabelHeight);
 
-    if ( m_gridWin->IsShown() )
+    if ( m_gridWin && m_gridWin->IsShown() )
         m_gridWin->SetSize( m_rowLabelWidth, m_colLabelHeight, cw-m_rowLabelWidth, ch-m_colLabelHeight);
 }
 
@@ -5346,6 +5343,7 @@ void wxGrid::ProcessGridCellMouseEvent( wxMouseEvent& event )
     XYToCell( x, y, coords );
 
     int cell_rows, cell_cols;
+    bool isFirstDrag = !m_isDragging;
     GetCellSize( coords.GetRow(), coords.GetCol(), &cell_rows, &cell_cols );
     if ((cell_rows < 0) || (cell_cols < 0))
     {
@@ -5396,6 +5394,19 @@ void wxGrid::ProcessGridCellMouseEvent( wxMouseEvent& event )
                         m_selectingKeyboard = coords;
                     HighlightBlock ( m_selectingKeyboard, coords );
                 }
+                else if ( CanDragCell() )
+                {
+                    if ( isFirstDrag )
+                    {
+                        if ( m_selectingKeyboard == wxGridNoCellCoords)
+                            m_selectingKeyboard = coords;
+
+                        SendEvent( wxEVT_GRID_CELL_BEGIN_DRAG,
+                                   coords.GetRow(),
+                                   coords.GetCol(),
+                                   event );
+                    }
+                }
                 else
                 {
                     if ( !IsSelection() )
@@ -8871,14 +8882,24 @@ void wxGrid::SetDefaultCellFont( const wxFont& font )
     m_defaultCellAttr->SetFont(font);
 }
 
+
+// For editors and renderers the type registry takes precedence over the
+// default attr, so we need to register the new editor/renderer for the string
+// data type in order to make setting a default editor/renderer appear to
+// work correctly.
+
 void wxGrid::SetDefaultRenderer(wxGridCellRenderer *renderer)
 {
-    m_defaultCellAttr->SetRenderer(renderer);
+    RegisterDataType(wxGRID_VALUE_STRING,
+                     renderer,
+                     GetDefaultEditorForType(wxGRID_VALUE_STRING));
 }
 
 void wxGrid::SetDefaultEditor(wxGridCellEditor *editor)
 {
-    m_defaultCellAttr->SetEditor(editor);
+    RegisterDataType(wxGRID_VALUE_STRING,
+                     GetDefaultRendererForType(wxGRID_VALUE_STRING),
+                     editor);                     
 }
 
 // ----------------------------------------------------------------------------
@@ -9086,9 +9107,10 @@ wxGridCellAttr *wxGrid::GetCellAttr(int row, int col) const
 wxGridCellAttr *wxGrid::GetOrCreateCellAttr(int row, int col) const
 {
     wxGridCellAttr *attr = (wxGridCellAttr *)NULL;
+    bool canHave = ((wxGrid*)this)->CanHaveAttributes();
 
-    wxCHECK_MSG( m_table, attr,
-                  _T("we may only be called if CanHaveAttributes() returned true and then m_table should be !NULL") );
+    wxCHECK_MSG( canHave, attr, _T("Cell attributes not allowed"));
+    wxCHECK_MSG( m_table, attr, _T("must have a table") );
 
     attr = m_table->GetAttr(row, col, wxGridCellAttr::Cell);
     if ( !attr )
@@ -9395,6 +9417,10 @@ void wxGrid::EnableDragGridSize( bool enable )
     m_canDragGridSize = enable;
 }
 
+void wxGrid::EnableDragCell( bool enable )
+{
+    m_canDragCell = enable;
+}
 
 void wxGrid::SetDefaultRowSize( int height, bool resizeExistingRows )
 {
@@ -9853,13 +9879,33 @@ wxSize wxGrid::DoGetBestSize() const
     width = self->SetOrCalcColumnSizes(true);
     height = self->SetOrCalcRowSizes(true);
 
+    if (!width) width=100;
+    if (!height) height=80;
+    
+    // Round up to a multiple the scroll rate NOTE: this still doesn't get rid
+    // of the scrollbars, is there any magic incantaion for that?
+    int xpu, ypu;
+    GetScrollPixelsPerUnit(&xpu, &ypu);
+    if (xpu)
+        width  += 1 + xpu - (width  % xpu);
+    if (ypu)
+        height += 1 + ypu - (height % ypu);
+    
+    // limit to 1/4 of the screen size
     int maxwidth, maxheight;
     wxDisplaySize( & maxwidth, & maxheight );
-
+    maxwidth /= 2;
+    maxheight /= 2;    
     if ( width > maxwidth ) width = maxwidth;
     if ( height > maxheight ) height = maxheight;
 
-    return wxSize( width, height );
+    
+    wxSize best(width, height);
+    // NOTE: This size should be cached, but first we need to add calls to
+    // InvalidateBestSize everywhere that could change the results of this
+    // calculation.
+    // CacheBestSize(size);
+    return best;
 }
 
 void wxGrid::Fit()