wxHeaderColumnBase -> wxHeaderColumn; Fixed UpdateColumnWidthToFit() sample code

[wxWidgets.git] / src / propgrid / propgrid.cpp

diff --git a/src/propgrid/propgrid.cpp b/src/propgrid/propgrid.cpp
index 7ae8c3013e9e9c6f25652ac219e8e6e90609d6fb..5d39a2e7e266b92bf7a8ac0b80567d87a873a150 100644 (file)
--- a/src/propgrid/propgrid.cpp
+++ b/src/propgrid/propgrid.cpp
@@ -115,6 +115,11 @@
 
 //#define wxPG_TOOLTIP_DELAY              1000
 
+// This is the number of pixels the expander button inside
+// property cells (i.e. not in the grey margin area are
+// adjusted.
+#define IN_CELL_EXPANDER_BUTTON_X_ADJUST    2
+
 // -----------------------------------------------------------------------
 
 #if wxUSE_INTL
@@ -1740,9 +1745,8 @@ void wxPropertyGrid::OnPaint( wxPaintEvent& WXUNUSED(event) )
 
     // FIXME: This is just a workaround for a bug that causes splitters not
     //        to paint when other windows are being dragged over the grid.
-    wxRect fullRect = GetRect();
-    r.x = fullRect.x;
-    r.width = fullRect.width;
+    r.x = 0;
+    r.width = GetClientSize().x;
 
     // Repaint this rectangle
     DrawItems( dc, r.y, r.y + r.height, &r );
@@ -2272,6 +2276,10 @@ int wxPropertyGrid::DoDrawItems( wxDC& dc,
         }
         else
         {
+            // Fine tune button rectangle to actually fit the cell
+            if ( butRect.x > 0 )
+                butRect.x += IN_CELL_EXPANDER_BUTTON_X_ADJUST;
+
             if ( p->m_flags & wxPG_PROP_MODIFIED && (windowStyle & wxPG_BOLD_MODIFIED) )
             {
                 dc.SetFont(m_captionFont);
@@ -3270,6 +3278,12 @@ bool wxPropertyGrid::DoEditorValidate()
 
 void wxPropertyGrid::HandleCustomEditorEvent( wxEvent &event )
 {
+    // It is possible that this handler receives event even before
+    // the control has been properly initialized. Let's skip the
+    // event handling in that case.
+    if ( !m_pState )
+        return;
+
     wxPGProperty* selected = GetSelection();
 
     // Somehow, event is handled after property has been deselected.
@@ -4172,7 +4186,9 @@ bool wxPropertyGrid::DoHideProperty( wxPGProperty* p, bool hide, int flags )
 
 void wxPropertyGrid::RecalculateVirtualSize( int forceXPos )
 {
-    if ( (m_iFlags & wxPG_FL_RECALCULATING_VIRTUAL_SIZE) || m_frozen )
+    if ( (m_iFlags & wxPG_FL_RECALCULATING_VIRTUAL_SIZE) ||
+         m_frozen ||
+         !m_pState )
         return;
 
     //
@@ -4334,6 +4350,9 @@ bool wxPropertyGrid::SendEvent( int eventType, wxPGProperty* p,
                                 unsigned int selFlags,
                                 unsigned int column )
 {
+    // selFlags should have wxPG_SEL_NOVALIDATE if event is not
+    // vetoable.
+
     // Send property grid event of specific type and with specific property
     wxPropertyGridEvent evt( eventType, m_eventObject->GetId() );
     evt.SetPropertyGrid(this);
@@ -4468,33 +4487,39 @@ bool wxPropertyGrid::HandleMouseClick( int x, unsigned int y, wxMouseEvent &even
                         // send event
                         DoEndLabelEdit(true, wxPG_SEL_NOVALIDATE);
 
-                        if ( m_wndEditor )
+                        // Allow application to veto dragging
+                        if ( !SendEvent(wxEVT_PG_COL_BEGIN_DRAG,
+                                        p, NULL, 0,
+                                        (unsigned int)splitterHit) )
                         {
-                            // Changes must be committed here or the
-                            // value won't be drawn correctly
-                            if ( !CommitChangesFromEditor() )
-                                return res;
+                            if ( m_wndEditor )
+                            {
+                                // Changes must be committed here or the
+                                // value won't be drawn correctly
+                                if ( !CommitChangesFromEditor() )
+                                    return res;
 
-                            m_wndEditor->Show ( false );
-                        }
+                                m_wndEditor->Show ( false );
+                            }
 
-                        if ( !(m_iFlags & wxPG_FL_MOUSE_CAPTURED) )
-                        {
-                            CaptureMouse();
-                            m_iFlags |= wxPG_FL_MOUSE_CAPTURED;
-                        }
+                            if ( !(m_iFlags & wxPG_FL_MOUSE_CAPTURED) )
+                            {
+                                CaptureMouse();
+                                m_iFlags |= wxPG_FL_MOUSE_CAPTURED;
+                            }
 
-                        m_dragStatus = 1;
-                        m_draggedSplitter = splitterHit;
-                        m_dragOffset = splitterHitOffset;
+                            m_dragStatus = 1;
+                            m_draggedSplitter = splitterHit;
+                            m_dragOffset = splitterHitOffset;
 
-                    #if wxPG_REFRESH_CONTROLS_AFTER_REPAINT
-                        // Fixes button disappearance bug
-                        if ( m_wndEditor2 )
-                            m_wndEditor2->Show ( false );
-                    #endif
+                        #if wxPG_REFRESH_CONTROLS_AFTER_REPAINT
+                            // Fixes button disappearance bug
+                            if ( m_wndEditor2 )
+                                m_wndEditor2->Show ( false );
+                        #endif
 
-                        m_startingSplitterX = x - splitterHitOffset;
+                            m_startingSplitterX = x - splitterHitOffset;
+                        }
                     }
                 }
             }
@@ -4506,6 +4531,10 @@ bool wxPropertyGrid::HandleMouseClick( int x, unsigned int y, wxMouseEvent &even
             {
                 int nx = x + m_marginWidth - marginEnds; // Normalize x.
 
+                // Fine tune cell button x
+                if ( !p->IsCategory() )
+                    nx -= IN_CELL_EXPANDER_BUTTON_X_ADJUST;
+
                 if ( (nx >= m_gutterWidth && nx < (m_gutterWidth+m_iconWidth)) )
                 {
                     int y2 = y % m_lineHeight;
@@ -4632,6 +4661,12 @@ bool wxPropertyGrid::HandleMouseMove( int x, unsigned int y,
 
                 Update();
                 Refresh();
+
+                SendEvent(wxEVT_PG_COL_DRAGGING,
+                          m_propHover,
+                          NULL,
+                          wxPG_SEL_NOVALIDATE,
+                          (unsigned int)m_draggedSplitter);
             }
 
             m_dragStatus = 2;
@@ -4849,6 +4884,12 @@ bool wxPropertyGrid::HandleMouseUp( int x, unsigned int WXUNUSED(y),
         // (it is only here as a reminder to not to do it)
         //splitterX = x;
 
+        SendEvent(wxEVT_PG_COL_END_DRAG,
+                  m_propHover,
+                  NULL,
+                  wxPG_SEL_NOVALIDATE,
+                  (unsigned int)m_draggedSplitter);
+
         // Disable splitter auto-centering
         state->m_dontCenterSplitter = true;
 
@@ -5767,6 +5808,9 @@ wxDEFINE_EVENT( wxEVT_PG_ITEM_COLLAPSED, wxPropertyGridEvent );
 wxDEFINE_EVENT( wxEVT_PG_DOUBLE_CLICK, wxPropertyGridEvent );
 wxDEFINE_EVENT( wxEVT_PG_LABEL_EDIT_BEGIN, wxPropertyGridEvent );
 wxDEFINE_EVENT( wxEVT_PG_LABEL_EDIT_ENDING, wxPropertyGridEvent );
+wxDEFINE_EVENT( wxEVT_PG_COL_BEGIN_DRAG, wxPropertyGridEvent );
+wxDEFINE_EVENT( wxEVT_PG_COL_DRAGGING, wxPropertyGridEvent );
+wxDEFINE_EVENT( wxEVT_PG_COL_END_DRAG, wxPropertyGridEvent );
 
 // -----------------------------------------------------------------------