Captured mouse in grid column label so the drag isn't prematurely and messily

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

diff --git a/src/generic/gridsel.cpp b/src/generic/gridsel.cpp
index 93a69d49c78219315962402165570da6644593ba..2781694fb5bd6d54549a6d7a7aa7017969e0ab72 100644 (file)
--- a/src/generic/gridsel.cpp
+++ b/src/generic/gridsel.cpp
@@ -184,7 +184,9 @@ void wxGridSelection::SetSelectionMode(wxGrid::wxGridSelectionModes selmode)
     }
 }
 
-void wxGridSelection::SelectRow( int row, bool addToSelected )
+void wxGridSelection::SelectRow( int row,
+                                 bool ControlDown,  bool ShiftDown,
+                                 bool AltDown, bool MetaDown )
 {
     if ( m_selectionMode == wxGrid::wxGridSelectColumns )
         return;
@@ -267,12 +269,17 @@ void wxGridSelection::SelectRow( int row, bool addToSelected )
                                     wxEVT_GRID_RANGE_SELECT,
                                     m_grid,
                                     wxGridCellCoords( row, 0 ),
-                                    wxGridCellCoords( row, m_grid->GetNumberCols() - 1 ) );
+                                    wxGridCellCoords( row, m_grid->GetNumberCols() - 1 ),
+                                    TRUE,
+                                    ControlDown,  ShiftDown,
+                                    AltDown, MetaDown );
 
     m_grid->GetEventHandler()->ProcessEvent(gridEvt);
 }
 
-void wxGridSelection::SelectCol( int col, bool addToSelected )
+void wxGridSelection::SelectCol( int col,
+                                 bool ControlDown,  bool ShiftDown,
+                                 bool AltDown, bool MetaDown )
 {
     if ( m_selectionMode == wxGrid::wxGridSelectRows )
         return;
@@ -355,14 +362,19 @@ void wxGridSelection::SelectCol( int col, bool addToSelected )
                                     wxEVT_GRID_RANGE_SELECT,
                                     m_grid,
                                     wxGridCellCoords( 0, col ),
-                                    wxGridCellCoords( m_grid->GetNumberRows() - 1, col ) );
+                                    wxGridCellCoords( m_grid->GetNumberRows() - 1, col ),
+                                    TRUE,
+                                    ControlDown,  ShiftDown,
+                                    AltDown, MetaDown );
 
     m_grid->GetEventHandler()->ProcessEvent(gridEvt);
 }
 
 void wxGridSelection::SelectBlock( int topRow, int leftCol,
                                    int bottomRow, int rightCol,
-                                   wxMouseEvent* mouseEv, bool sendEvent )
+                                   bool ControlDown, bool ShiftDown,
+                                   bool AltDown, bool MetaDown, 
+                                   bool sendEvent )
 {
     // Fix the coordinates of the block if needed.
     if ( m_selectionMode == wxGrid::wxGridSelectRows )
@@ -390,8 +402,13 @@ void wxGridSelection::SelectBlock( int topRow, int leftCol,
     }
 
     // Handle single cell selection in SelectCell.
-    if ( topRow == bottomRow && leftCol == rightCol )
-        SelectCell( topRow, leftCol, sendEvent );
+    // (MB: added check for selection mode here to prevent
+    //  crashes if, for example, we are select rows and the
+    //  grid only has 1 col)
+    if ( m_selectionMode == wxGrid::wxGridSelectCells &&
+         topRow == bottomRow && leftCol == rightCol )
+        SelectCell( topRow, leftCol, ControlDown,  ShiftDown,
+                    AltDown, MetaDown, sendEvent );
 
     size_t count, n;
     // Remove single cells contained in newly selected block.
@@ -485,42 +502,33 @@ void wxGridSelection::SelectBlock( int topRow, int leftCol,
     // Send Event, if not disabled.
     if ( sendEvent )
     {
-        if ( mouseEv == 0)
-        {
-            wxGridRangeSelectEvent gridEvt( m_grid->GetId(),
-                                            wxEVT_GRID_RANGE_SELECT,
-                                            m_grid,
-                                            wxGridCellCoords( topRow, leftCol ),
-                                            wxGridCellCoords( bottomRow, rightCol ) );
-            m_grid->GetEventHandler()->ProcessEvent(gridEvt);
-        }
-        else        
-        {
-            wxGridRangeSelectEvent gridEvt( m_grid->GetId(),
-                                            wxEVT_GRID_RANGE_SELECT,
-                                            m_grid,
-                                            wxGridCellCoords( topRow, leftCol ),
-                                            wxGridCellCoords( bottomRow, rightCol ),
-                                            TRUE,
-                                            mouseEv->ControlDown(),
-                                            mouseEv->ShiftDown(),
-                                            mouseEv->AltDown(),
-                                            mouseEv->MetaDown() );
-            m_grid->GetEventHandler()->ProcessEvent(gridEvt);
-        }
+        wxGridRangeSelectEvent gridEvt( m_grid->GetId(),
+                                        wxEVT_GRID_RANGE_SELECT,
+                                        m_grid,
+                                        wxGridCellCoords( topRow, leftCol ),
+                                        wxGridCellCoords( bottomRow, rightCol ),
+                                        TRUE,
+                                        ControlDown, ShiftDown,
+                                        AltDown, MetaDown );
+        m_grid->GetEventHandler()->ProcessEvent(gridEvt);
     }
 }
 
-void wxGridSelection::SelectCell( int row, int col, bool sendEvent )
+void wxGridSelection::SelectCell( int row, int col,
+                                  bool ControlDown, bool ShiftDown,
+                                  bool AltDown, bool MetaDown,
+                                  bool sendEvent )
 {
     if ( m_selectionMode == wxGrid::wxGridSelectRows )
     {
-        SelectBlock(row, 0, row, m_grid->GetNumberCols() - 1 );
+        SelectBlock(row, 0, row, m_grid->GetNumberCols() - 1,
+                    ControlDown, ShiftDown, AltDown, MetaDown);
         return;
     }
     else if ( m_selectionMode == wxGrid::wxGridSelectColumns )
     {
-        SelectBlock(0, col, m_grid->GetNumberRows() - 1, col );
+        SelectBlock(0, col, m_grid->GetNumberRows() - 1, col,
+                    ControlDown, ShiftDown, AltDown, MetaDown);
         return;
     }
     else if ( IsInSelection ( row, col ) )
@@ -534,19 +542,29 @@ void wxGridSelection::SelectCell( int row, int col, bool sendEvent )
         ((wxWindow *)m_grid->m_gridWin)->Refresh( FALSE, &r );
 
     // Send event
-    wxGridEvent gridEvt( m_grid->GetId(),
-                         wxEVT_GRID_SELECT_CELL,
-                         m_grid,
-                         row, col );
-    m_grid->GetEventHandler()->ProcessEvent(gridEvt);
+    if (sendEvent)
+    {
+        wxGridRangeSelectEvent gridEvt( m_grid->GetId(),
+                                        wxEVT_GRID_RANGE_SELECT,
+                                        m_grid,
+                                        wxGridCellCoords( row, col ),
+                                        wxGridCellCoords( row, col ),
+                                        TRUE, 
+                                        ControlDown, ShiftDown,
+                                        AltDown, MetaDown);
+        m_grid->GetEventHandler()->ProcessEvent(gridEvt);
+    }
 }
 
-void wxGridSelection::ToggleCellSelection( int row, int col)
+void wxGridSelection::ToggleCellSelection( int row, int col,
+                                           bool ControlDown, bool ShiftDown,
+                                           bool AltDown, bool MetaDown )
 {
     // if the cell is not selected, select it
     if ( !IsInSelection ( row, col ) )
     {
-        SelectCell( row, col );
+        SelectCell( row, col, ControlDown, ShiftDown,
+                    AltDown, MetaDown );
         return;
     }
 
@@ -574,14 +592,18 @@ void wxGridSelection::ToggleCellSelection( int row, int col)
                 n--; count--;
                 if ( !m_grid->GetBatchCount() )
                     ((wxWindow *)m_grid->m_gridWin)->Refresh( FALSE, &r );
-                return;
 
                 // Send event
-                wxGridEvent gridEvt( m_grid->GetId(),
-                                     wxEVT_GRID_SELECT_CELL,
-                                     m_grid,
-                                     row, col, -1, -1, FALSE );
+                wxGridRangeSelectEvent gridEvt( m_grid->GetId(),
+                                                wxEVT_GRID_RANGE_SELECT,
+                                                m_grid,
+                                                wxGridCellCoords( row, col ),
+                                                wxGridCellCoords( row, col ),
+                                                FALSE,
+                                                ControlDown, ShiftDown,
+                                                AltDown, MetaDown );
                 m_grid->GetEventHandler()->ProcessEvent(gridEvt);
+                return;
             }
         }
     }
@@ -698,10 +720,14 @@ void wxGridSelection::ToggleCellSelection( int row, int col)
                                          wxGridCellCoords( row, col ) );
           if ( !m_grid->GetBatchCount() )
               ((wxWindow *)m_grid->m_gridWin)->Refresh( FALSE, &r );
-          wxGridEvent gridEvt( m_grid->GetId(),
-                               wxEVT_GRID_SELECT_CELL,
-                               m_grid,
-                               row, col, -1, -1, FALSE );
+          wxGridRangeSelectEvent gridEvt( m_grid->GetId(),
+                                          wxEVT_GRID_RANGE_SELECT,
+                                          m_grid,
+                                          wxGridCellCoords( row, col ),
+                                          wxGridCellCoords( row, col ),
+                                          FALSE,
+                                          ControlDown, ShiftDown,
+                                          AltDown, MetaDown );
           m_grid->GetEventHandler()->ProcessEvent(gridEvt);
           break;
       }
@@ -716,7 +742,9 @@ void wxGridSelection::ToggleCellSelection( int row, int col)
                                           m_grid,
                                           wxGridCellCoords( row, 0 ),
                                           wxGridCellCoords( row, m_grid->GetNumberCols() - 1 ),
-                                          FALSE );
+                                          FALSE,
+                                          ControlDown, ShiftDown,
+                                          AltDown, MetaDown );
           m_grid->GetEventHandler()->ProcessEvent(gridEvt);
           break;
       }
@@ -731,7 +759,9 @@ void wxGridSelection::ToggleCellSelection( int row, int col)
                                           m_grid,
                                           wxGridCellCoords( 0, col ),
                                           wxGridCellCoords( m_grid->GetNumberRows() - 1, col ),
-                                          FALSE );
+                                          FALSE,
+                                          ControlDown, ShiftDown,
+                                          AltDown, MetaDown );
           m_grid->GetEventHandler()->ProcessEvent(gridEvt);
           break;
       }
@@ -740,7 +770,6 @@ void wxGridSelection::ToggleCellSelection( int row, int col)
 
 void wxGridSelection::ClearSelection()
 {
-    // Should this send deselection events?
     size_t n;
 
     // deselect all invidiual cells and update the screen
@@ -803,6 +832,19 @@ void wxGridSelection::ClearSelection()
                 ((wxWindow *)m_grid->m_gridWin)->Refresh( FALSE, &r );   
         }
     }
+
+    // One deselection event, indicating deselection of _all_ cells.
+    // (No finer grained events for each of the smaller regions
+    //  deselected above!)
+    wxGridRangeSelectEvent gridEvt( m_grid->GetId(),
+                                    wxEVT_GRID_RANGE_SELECT,
+                                    m_grid,
+                                    wxGridCellCoords( 0, 0 ),
+                                    wxGridCellCoords( m_grid->GetNumberRows() - 1,
+                                                      m_grid->GetNumberCols() - 1 ),
+                                    FALSE );
+
+    m_grid->GetEventHandler()->ProcessEvent(gridEvt);
 }
 
 
@@ -906,6 +948,10 @@ void wxGridSelection::UpdateRows( size_t pos, int numRows )
             }
         }
     }
+    // No need to touch selected columns, unless we removed _all_
+    // rows, in this case, we remove all columns from the selection.
+    if ( !m_grid->GetNumberRows() )
+        m_colSelection.Clear();
 }
 
 void wxGridSelection::UpdateCols( size_t pos, int numCols )
@@ -1008,6 +1054,11 @@ void wxGridSelection::UpdateCols( size_t pos, int numCols )
             }
         }
     }
+
+    // No need to touch selected rows, unless we removed _all_
+    // columns, in this case, we remove all rows from the selection.
+    if ( !m_grid->GetNumberCols() )
+        m_rowSelection.Clear();
 }
 
 int wxGridSelection::BlockContain( int topRow1, int leftCol1,