X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/1ef49ab576d21e0428eacf26c98a2f0fb62cb94d..824fd93d761e1e697be19a4ca582c5259e12c8ea:/src/generic/grid.cpp

diff --git a/src/generic/grid.cpp b/src/generic/grid.cpp
index ea0184e2d0..cc293fb374 100644
--- 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)
@@ -3854,6 +3855,9 @@ wxGrid::wxGrid( wxWindow *parent,
     m_colMinWidths(GRID_HASH_SIZE),
     m_rowMinHeights(GRID_HASH_SIZE)
 {
+    // Can't use SetBestFittingSize here to avoid a crash as CreateGrid hasn't
+    // been called yet.
+    SetMinSize(size);  
     Create();
 }
 
@@ -3868,9 +3872,11 @@ bool wxGrid::Create(wxWindow *parent, wxWindowID id,
     m_colMinWidths = wxLongToLongHashMap(GRID_HASH_SIZE) ;
     m_rowMinHeights = wxLongToLongHashMap(GRID_HASH_SIZE) ;
 
+    // Can't use SetBestFittingSize here to avoid a crash as CreateGrid hasn't
+    // been called yet.
+    SetMinSize(size);  
     Create() ;
 
-
     return true;
 }
 
@@ -3990,15 +3996,15 @@ void wxGrid::Create()
     wxColour lfg = wxSystemSettings::GetColour( wxSYS_COLOUR_WINDOWTEXT );
     wxColour lbg = wxSystemSettings::GetColour( wxSYS_COLOUR_BTNFACE );
 #endif
-    m_cornerLabelWin->SetDefaultForegroundColour(lfg);
-    m_cornerLabelWin->SetDefaultBackgroundColour(lbg);
-    m_rowLabelWin->SetDefaultForegroundColour(lfg);
-    m_rowLabelWin->SetDefaultBackgroundColour(lbg);
-    m_colLabelWin->SetDefaultForegroundColour(lfg);
-    m_colLabelWin->SetDefaultBackgroundColour(lbg);
+    m_cornerLabelWin->SetOwnForegroundColour(lfg);
+    m_cornerLabelWin->SetOwnBackgroundColour(lbg);
+    m_rowLabelWin->SetOwnForegroundColour(lfg);
+    m_rowLabelWin->SetOwnBackgroundColour(lbg);
+    m_colLabelWin->SetOwnForegroundColour(lfg);
+    m_colLabelWin->SetOwnBackgroundColour(lbg);
 
-    m_gridWin->SetDefaultForegroundColour(gfg);
-    m_gridWin->SetDefaultBackgroundColour(gbg);
+    m_gridWin->SetOwnForegroundColour(gfg);
+    m_gridWin->SetOwnBackgroundColour(gbg);
 
     Init();
 }
@@ -4139,6 +4145,7 @@ 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 +4319,16 @@ 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 +5353,7 @@ 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 +5404,19 @@ 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() )
@@ -9395,6 +9416,10 @@ 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 +9878,31 @@ 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);
+    width  += 1 + xpu - (width  % xpu);
+    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()