compilation warning fix

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

diff --git a/src/generic/grid.cpp b/src/generic/grid.cpp
index 96af491707ce9a55cdb4c1d605a44a797d16c33e..600b5a8ff46404b3142063a1a8c9b577e6188a65 100644 (file)
--- a/src/generic/grid.cpp
+++ b/src/generic/grid.cpp
@@ -4202,8 +4202,8 @@ wxArrayInt wxGrid::CalcRowLabelsExposed( const wxRegion& reg )
     wxRegionIterator iter( reg );
     wxRect r;
 
     wxRegionIterator iter( reg );
     wxRect r;
 

-    wxArrayInt  rowlabels;           
-        
+    wxArrayInt  rowlabels;
+

     int top, bottom;
     while ( iter )
     {
     int top, bottom;
     while ( iter )
     {


@@ -5449,11 +5449,14 @@ bool wxGrid::DeleteCols( int pos, int numCols, bool WXUNUSED(updateLabels) )
 // Generate a grid event based on a mouse event and
 // return the result of ProcessEvent()
 //
 // Generate a grid event based on a mouse event and
 // return the result of ProcessEvent()
 //

-bool wxGrid::SendEvent( const wxEventType type,
+int wxGrid::SendEvent( const wxEventType type,

                         int row, int col,
                         wxMouseEvent& mouseEv )
 {
                         int row, int col,
                         wxMouseEvent& mouseEv )
 {

-    if ( type == wxEVT_GRID_ROW_SIZE || type == wxEVT_GRID_COL_SIZE )
+   bool claimed;
+   bool vetoed= FALSE;
+       
+   if ( type == wxEVT_GRID_ROW_SIZE || type == wxEVT_GRID_COL_SIZE )

     {
         int rowOrCol = (row == -1 ? col : row);
 
     {
         int rowOrCol = (row == -1 ? col : row);
 


@@ -5467,9 +5470,12 @@ bool wxGrid::SendEvent( const wxEventType type,
                                  mouseEv.ShiftDown(),
                                  mouseEv.AltDown(),
                                  mouseEv.MetaDown() );
                                  mouseEv.ShiftDown(),
                                  mouseEv.AltDown(),
                                  mouseEv.MetaDown() );

-        return GetEventHandler()->ProcessEvent(gridEvt);
+
+        claimed = GetEventHandler()->ProcessEvent(gridEvt);
+       vetoed = !gridEvt.IsAllowed();
+

     }
     }

-    else if ( type == wxEVT_GRID_RANGE_SELECT )
+   else if ( type == wxEVT_GRID_RANGE_SELECT )

     {
         // Right now, it should _never_ end up here!
         wxGridRangeSelectEvent gridEvt( GetId(),
     {
         // Right now, it should _never_ end up here!
         wxGridRangeSelectEvent gridEvt( GetId(),


@@ -5483,9 +5489,11 @@ bool wxGrid::SendEvent( const wxEventType type,
                                         mouseEv.AltDown(),
                                         mouseEv.MetaDown() );
 
                                         mouseEv.AltDown(),
                                         mouseEv.MetaDown() );
 

-        return GetEventHandler()->ProcessEvent(gridEvt);
+        claimed = GetEventHandler()->ProcessEvent(gridEvt);
+       vetoed = !gridEvt.IsAllowed();
+       

     }
     }

-    else
+   else

     {
         wxGridEvent gridEvt( GetId(),
                              type,
     {
         wxGridEvent gridEvt( GetId(),
                              type,


@@ -5498,17 +5506,27 @@ bool wxGrid::SendEvent( const wxEventType type,
                              mouseEv.ShiftDown(),
                              mouseEv.AltDown(),
                              mouseEv.MetaDown() );
                              mouseEv.ShiftDown(),
                              mouseEv.AltDown(),
                              mouseEv.MetaDown() );

-        return GetEventHandler()->ProcessEvent(gridEvt);
+         claimed = GetEventHandler()->ProcessEvent(gridEvt);
+        vetoed = !gridEvt.IsAllowed();

     }
     }

+
+  // A Veto'd event may not be `claimed' so test this first
+  if (vetoed) return -1;
+  return claimed ? 1 : 0;
+
+

 }
 
 
 // Generate a grid event of specified type and return the result
 // of ProcessEvent().
 //
 }
 
 
 // Generate a grid event of specified type and return the result
 // of ProcessEvent().
 //

-bool wxGrid::SendEvent( const wxEventType type,
+int wxGrid::SendEvent( const wxEventType type,

                         int row, int col )
 {
                         int row, int col )
 {

+   bool claimed;
+   bool vetoed= FALSE;
+

     if ( type == wxEVT_GRID_ROW_SIZE || type == wxEVT_GRID_COL_SIZE )
     {
         int rowOrCol = (row == -1 ? col : row);
     if ( type == wxEVT_GRID_ROW_SIZE || type == wxEVT_GRID_COL_SIZE )
     {
         int rowOrCol = (row == -1 ? col : row);


@@ -5518,7 +5536,8 @@ bool wxGrid::SendEvent( const wxEventType type,
                                  this,
                                  rowOrCol );
 
                                  this,
                                  rowOrCol );
 

-        return GetEventHandler()->ProcessEvent(gridEvt);
+        claimed = GetEventHandler()->ProcessEvent(gridEvt);
+        vetoed  = !gridEvt.IsAllowed();

     }
     else
     {
     }
     else
     {


@@ -5527,8 +5546,14 @@ bool wxGrid::SendEvent( const wxEventType type,
                              this,
                              row, col );
 
                              this,
                              row, col );
 

-        return GetEventHandler()->ProcessEvent(gridEvt);
-    }
+        claimed = GetEventHandler()->ProcessEvent(gridEvt);
+        vetoed  = !gridEvt.IsAllowed();
+     }
+
+       // A Veto'd event may not be `claimed' so test this first
+       if (vetoed) return -1;
+       return claimed ? 1 : 0;
+

 }
 
 
 }
 
 


@@ -5818,7 +5843,7 @@ void wxGrid::SetCurrentCell( const wxGridCellCoords& coords )
 
             // Otherwise refresh redraws the highlight!
             m_currentCellCoords = coords;
 
             // Otherwise refresh redraws the highlight!
             m_currentCellCoords = coords;

-            
+

             DrawGridCellArea(dc,cells);
             DrawAllGridLines( dc, r );
         }
             DrawGridCellArea(dc,cells);
             DrawAllGridLines( dc, r );
         }


@@ -6578,12 +6603,12 @@ void wxGrid::EnableCellEditControl( bool enable )
 
     if ( enable != m_cellEditCtrlEnabled )
     {
 
     if ( enable != m_cellEditCtrlEnabled )
     {

-        // TODO allow the app to Veto() this event?
-        SendEvent(enable ? wxEVT_GRID_EDITOR_SHOWN : wxEVT_GRID_EDITOR_HIDDEN);
-

         if ( enable )
         {
         if ( enable )
         {

-            // this should be checked by the caller!
+           if (SendEvent( wxEVT_GRID_EDITOR_SHOWN) <0)
+               return;
+
+           // this should be checked by the caller!

             wxASSERT_MSG( CanEnableCellControl(),
                           _T("can't enable editing for this cell!") );
 
             wxASSERT_MSG( CanEnableCellControl(),
                           _T("can't enable editing for this cell!") );
 


@@ -6594,7 +6619,10 @@ void wxGrid::EnableCellEditControl( bool enable )
         }
         else
         {
         }
         else
         {

-            HideCellEditControl();
+           //FIXME:add veto support
+           SendEvent( wxEVT_GRID_EDITOR_HIDDEN);
+
+           HideCellEditControl();

             SaveEditControlValue();
 
             // do it after HideCellEditControl()
             SaveEditControlValue();
 
             // do it after HideCellEditControl()


@@ -6740,6 +6768,8 @@ void wxGrid::SaveEditControlValue()
         int row = m_currentCellCoords.GetRow();
         int col = m_currentCellCoords.GetCol();
 
         int row = m_currentCellCoords.GetRow();
         int col = m_currentCellCoords.GetCol();
 

+        wxString oldval = GetCellValue(row,col);
+

         wxGridCellAttr* attr = GetCellAttr(row, col);
         wxGridCellEditor* editor = attr->GetEditor(this, row, col);
         bool changed = editor->EndEdit(row, col, this);
         wxGridCellAttr* attr = GetCellAttr(row, col);
         wxGridCellEditor* editor = attr->GetEditor(this, row, col);
         bool changed = editor->EndEdit(row, col, this);


@@ -6749,9 +6779,13 @@ void wxGrid::SaveEditControlValue()
 
         if (changed)
         {
 
         if (changed)
         {

-            SendEvent( wxEVT_GRID_CELL_CHANGE,
+            if ( SendEvent( wxEVT_GRID_CELL_CHANGE,

                        m_currentCellCoords.GetRow(),
                        m_currentCellCoords.GetRow(),

-                       m_currentCellCoords.GetCol() );
+                       m_currentCellCoords.GetCol() ) < 0 ) {
+
+                             //Event has been veto set the data back.
+                              SetCellValue(row,col,oldval);
+              }

         }
     }
 }
         }
     }
 }


@@ -6911,6 +6945,7 @@ bool wxGrid::IsVisible( int row, int col, bool wholeCellVisible )
 //
 void wxGrid::MakeCellVisible( int row, int col )
 {
 //
 void wxGrid::MakeCellVisible( int row, int col )
 {

+

     int i;
     int xpos = -1, ypos = -1;
 
     int i;
     int xpos = -1, ypos = -1;
 


@@ -6951,7 +6986,10 @@ void wxGrid::MakeCellVisible( int row, int col )
             // we divide it later by GRID_SCROLL_LINE, make sure that we don't
             // have rounding errors (this is important, because if we do, we
             // might not scroll at all and some cells won't be redrawn)
             // we divide it later by GRID_SCROLL_LINE, make sure that we don't
             // have rounding errors (this is important, because if we do, we
             // might not scroll at all and some cells won't be redrawn)

-            ypos += GRID_SCROLL_LINE / 2;
+            //
+            // Sometimes GRID_SCROLL_LINE/2 is not enough, so just add a full
+            // scroll unit...
+            ypos += GRID_SCROLL_LINE;

         }
 
         if ( left < 0 )
         }
 
         if ( left < 0 )


@@ -6973,7 +7011,7 @@ void wxGrid::MakeCellVisible( int row, int col )
             }
 
             // see comment for ypos above
             }
 
             // see comment for ypos above

-            xpos += GRID_SCROLL_LINE / 2;
+            xpos += GRID_SCROLL_LINE;

         }
 
         if ( xpos != -1  ||  ypos != -1 )
         }
 
         if ( xpos != -1  ||  ypos != -1 )