]> git.saurik.com Git - wxWidgets.git/blobdiff - src/generic/treectlg.cpp
Sometimes, deleting code can be a real gain. This
[wxWidgets.git] / src / generic / treectlg.cpp
index 0b23a9cd099b7ba0603327ba41cef08f039f8b3b..9b53eb766a624c1ac143646390ced3bd12c10c85 100644 (file)
@@ -55,6 +55,54 @@ static const int NO_IMAGE = -1;
 
 #define PIXELS_PER_UNIT 10
 
+// ----------------------------------------------------------------------------
+// Aqua arrows
+// ----------------------------------------------------------------------------
+
+/* XPM */
+static const char *aqua_arrow_right[] = {
+/* columns rows colors chars-per-pixel */
+"13 11 4 1",
+"  c None",
+"b c #C0C0C0",
+"c c #707070",
+"d c #A0A0A0",
+/* pixels */
+"    b        ",
+"    ddb      ",
+"    cccdb    ",
+"    cccccd   ",
+"    ccccccdb ",
+"    ccccccccd",
+"    ccccccdb ",
+"    cccccb   ",
+"    cccdb    ",
+"    ddb      ",
+"    b        "
+};
+
+/* XPM */
+static const char *aqua_arrow_down[] = {
+/* columns rows colors chars-per-pixel */
+"13 11 4 1",
+"  c None",
+"b c #C0C0C0",
+"c c #707070",
+"d c #A0A0A0",
+/* pixels */
+"             ",
+"             ",
+" bdcccccccdb ",
+"  dcccccccd  ",
+"  bcccccccb  ",
+"   dcccccd   ",
+"   bcccccb   ",
+"    bcccd    ",
+"     dcd     ",
+"     bcb     ",
+"      d      "
+};
+
 // -----------------------------------------------------------------------------
 // private classes
 // -----------------------------------------------------------------------------
@@ -320,7 +368,7 @@ void wxTreeTextCtrl::OnChar( wxKeyEvent &event )
 
         if (!wxPendingDelete.Member(this))
             wxPendingDelete.Append(this);
-            
+
         m_finished = TRUE;
         m_owner->SetFocus(); // This doesn't work. TODO.
 
@@ -376,7 +424,7 @@ void wxTreeTextCtrl::OnKillFocus( wxFocusEvent &event )
 
     (*m_accept) = TRUE;
     (*m_res) = GetValue();
-    
+
     if ((*m_res) != m_startValue)
         m_owner->OnRenameAccept();
 }
@@ -621,7 +669,7 @@ void wxGenericTreeCtrl::Init()
 
     m_hilightBrush = new wxBrush
                          (
-                            wxSystemSettings::GetSystemColour
+                            wxSystemSettings::GetColour
                             (
                                 wxSYS_COLOUR_HIGHLIGHT
                             ),
@@ -630,7 +678,7 @@ void wxGenericTreeCtrl::Init()
 
     m_hilightUnfocusedBrush = new wxBrush
                               (
-                                 wxSystemSettings::GetSystemColour
+                                 wxSystemSettings::GetColour
                                  (
                                      wxSYS_COLOUR_BTNSHADOW
                                  ),
@@ -649,7 +697,7 @@ void wxGenericTreeCtrl::Init()
     m_renameTimer = new wxTreeRenameTimer( this );
     m_lastOnSame = FALSE;
 
-    m_normalFont = wxSystemSettings::GetSystemFont( wxSYS_DEFAULT_GUI_FONT );
+    m_normalFont = wxSystemSettings::GetFont( wxSYS_DEFAULT_GUI_FONT );
     m_boldFont = wxFont( m_normalFont.GetPointSize(),
                          m_normalFont.GetFamily(),
                          m_normalFont.GetStyle(),
@@ -668,7 +716,7 @@ bool wxGenericTreeCtrl::Create(wxWindow *parent,
 #ifdef __WXMAC__
     int major,minor;
     wxGetOsVersion( &major, &minor );
-    
+
     if (style & wxTR_HAS_BUTTONS) style |= wxTR_MAC_BUTTONS;
     if (style & wxTR_HAS_BUTTONS) style &= ~wxTR_HAS_BUTTONS;
     style &= ~wxTR_LINES_AT_ROOT;
@@ -679,13 +727,23 @@ bool wxGenericTreeCtrl::Create(wxWindow *parent,
         style |= wxTR_AQUA_BUTTONS;
 #endif
 
+    if (style & wxTR_AQUA_BUTTONS)
+    {
+        m_arrowRight = new wxBitmap( aqua_arrow_right );
+        m_arrowDown = new wxBitmap( aqua_arrow_down );
+    }
+    else
+    {
+        m_arrowRight = NULL;
+        m_arrowDown = NULL;
+    }
 
     wxScrolledWindow::Create( parent, id, pos, size,
                               style|wxHSCROLL|wxVSCROLL, name );
 
-        // If the tree display has no buttons, but does have
-        // connecting lines, we can use a narrower layout.
-        // It may not be a good idea to force this...
+    // If the tree display has no buttons, but does have
+    // connecting lines, we can use a narrower layout.
+    // It may not be a good idea to force this...
     if (!HasButtons() && !HasFlag(wxTR_NO_LINES))
     {
         m_indent= 10;
@@ -696,7 +754,8 @@ bool wxGenericTreeCtrl::Create(wxWindow *parent,
     SetValidator( validator );
 #endif
 
-    SetBackgroundColour( wxSystemSettings::GetSystemColour( wxSYS_COLOUR_LISTBOX ) );
+    SetForegroundColour( wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT) );
+    SetBackgroundColour( wxSystemSettings::GetColour(wxSYS_COLOUR_LISTBOX) );
 
 //  m_dottedPen = wxPen( "grey", 0, wxDOT );  too slow under XFree86
     m_dottedPen = wxPen( wxT("grey"), 0, 0 );
@@ -709,6 +768,9 @@ wxGenericTreeCtrl::~wxGenericTreeCtrl()
     delete m_hilightBrush;
     delete m_hilightUnfocusedBrush;
 
+    if (m_arrowRight) delete m_arrowRight;
+    if (m_arrowDown) delete m_arrowDown;
+
     DeleteAllItems();
 
     delete m_renameTimer;
@@ -728,13 +790,13 @@ size_t wxGenericTreeCtrl::GetCount() const
 
 void wxGenericTreeCtrl::SetIndent(unsigned int indent)
 {
-    m_indent = indent;
+    m_indent = (unsigned short) indent;
     m_dirty = TRUE;
 }
 
 void wxGenericTreeCtrl::SetSpacing(unsigned int spacing)
 {
-    m_spacing = spacing;
+    m_spacing = (unsigned short) spacing;
     m_dirty = TRUE;
 }
 
@@ -1140,16 +1202,18 @@ wxTreeItemId wxGenericTreeCtrl::AddRoot(const wxString& text,
 
     m_anchor = new wxGenericTreeItem((wxGenericTreeItem *)NULL, text,
                                    image, selImage, data);
+    if ( data != NULL )
+    {
+        data->m_pItem = (long) m_anchor;
+    }
+
     if (HasFlag(wxTR_HIDE_ROOT))
     {
         // if root is hidden, make sure we can navigate
         // into children
         m_anchor->SetHasPlus();
-        Expand(m_anchor);
-    }
-    if ( data != NULL )
-    {
-        data->m_pItem = (long) m_anchor;
+        m_anchor->Expand();
+        CalculatePositions();
     }
 
     if (!HasFlag(wxTR_MULTIPLE))
@@ -1182,9 +1246,13 @@ wxTreeItemId wxGenericTreeCtrl::InsertItem(const wxTreeItemId& parentId,
         return AddRoot(text, image, selImage, data);
     }
 
-    int index = parent->GetChildren().Index((wxGenericTreeItem*) idPrevious.m_pItem);
-    wxASSERT_MSG( index != wxNOT_FOUND,
-                  wxT("previous item in wxGenericTreeCtrl::InsertItem() is not a sibling") );
+    int index = -1;
+    if (idPrevious.IsOk())
+    {
+        index = parent->GetChildren().Index((wxGenericTreeItem*) idPrevious.m_pItem);
+        wxASSERT_MSG( index != wxNOT_FOUND,
+                      wxT("previous item in wxGenericTreeCtrl::InsertItem() is not a sibling") );
+    }
 
     return DoInsertItem(parentId, (size_t)++index, text, image, selImage, data);
 }
@@ -1293,6 +1361,8 @@ void wxGenericTreeCtrl::Expand(const wxTreeItemId& itemId)
     wxGenericTreeItem *item = (wxGenericTreeItem*) itemId.m_pItem;
 
     wxCHECK_RET( item, _T("invalid item in wxGenericTreeCtrl::Expand") );
+    wxCHECK_RET( !HasFlag(wxTR_HIDE_ROOT) || itemId != GetRootItem(), 
+                 _T("can't expand hidden root") );
 
     if ( !item->HasPlus() )
         return;
@@ -1337,6 +1407,9 @@ void wxGenericTreeCtrl::ExpandAll(const wxTreeItemId& item)
 
 void wxGenericTreeCtrl::Collapse(const wxTreeItemId& itemId)
 {
+    wxCHECK_RET( !HasFlag(wxTR_HIDE_ROOT) || itemId != GetRootItem(), 
+                 _T("can't collapse hidden root") );
+
     wxGenericTreeItem *item = (wxGenericTreeItem*) itemId.m_pItem;
 
     if ( !item->IsExpanded() )
@@ -1416,7 +1489,13 @@ void wxGenericTreeCtrl::UnselectAllChildren(wxGenericTreeItem *item)
 
 void wxGenericTreeCtrl::UnselectAll()
 {
-    UnselectAllChildren((wxGenericTreeItem*) GetRootItem().m_pItem);
+    wxTreeItemId rootItem = GetRootItem();
+
+    // the tree might not have the root item at all
+    if ( rootItem )
+    {
+        UnselectAllChildren((wxGenericTreeItem*) rootItem.m_pItem);
+    }
 }
 
 // Recursive function !
@@ -1611,10 +1690,22 @@ void wxGenericTreeCtrl::EnsureVisible(const wxTreeItemId& item)
 
     // first expand all parent branches
     wxGenericTreeItem *parent = gitem->GetParent();
-    while ( parent )
+
+    if ( HasFlag(wxTR_HIDE_ROOT) )
     {
-        Expand(parent);
-        parent = parent->GetParent();
+        while ( parent != m_anchor )
+        {
+            Expand(parent);
+            parent = parent->GetParent();
+        }
+    }
+    else
+    {
+        while ( parent )
+        {
+            Expand(parent);
+            parent = parent->GetParent();
+        }
     }
 
     //if (parent) CalculatePositions();
@@ -1770,7 +1861,10 @@ void wxGenericTreeCtrl::SetImageList(wxImageList *imageList)
     m_imageListNormal = imageList;
     m_ownsImageListNormal = FALSE;
     m_dirty = TRUE;
-    CalculateLineHeight();
+    // Don't do any drawing if we're setting the list to NULL,
+    // since we may be in the process of deleting the tree control.
+    if (imageList)
+        CalculateLineHeight();
 }
 
 void wxGenericTreeCtrl::SetStateImageList(wxImageList *imageList)
@@ -1985,7 +2079,7 @@ void wxGenericTreeCtrl::PaintLevel( wxGenericTreeItem *item, wxDC &dc, int level
         wxColour colText;
         if ( item->IsSelected() )
         {
-            colText = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_HIGHLIGHTTEXT);
+            colText = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT);
         }
         else
         {
@@ -1993,7 +2087,7 @@ void wxGenericTreeCtrl::PaintLevel( wxGenericTreeItem *item, wxDC &dc, int level
             if (attr && attr->HasTextColour())
                 colText = attr->GetTextColour();
             else
-                colText = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOWTEXT);
+                colText = GetForegroundColour();
         }
 
         // prepare to draw
@@ -2047,36 +2141,19 @@ void wxGenericTreeCtrl::PaintLevel( wxGenericTreeItem *item, wxDC &dc, int level
             else if (HasFlag(wxTR_TWIST_BUTTONS))
             {
                 // draw the twisty button here
-                
-                wxPoint button[3];
-                dc.SetBrush(*m_hilightBrush);
-                
+
                 if (HasFlag(wxTR_AQUA_BUTTONS))
                 {
-                    dc.SetPen(*wxTRANSPARENT_PEN);
-                    
                     if (item->IsExpanded())
-                    {
-                        button[0].x = x-6;
-                        button[0].y = y_mid-2;
-                        button[1].x = x+6;
-                        button[1].y = y_mid-2;
-                        button[2].x = x;
-                        button[2].y = y_mid+7;
-                    }
+                        dc.DrawBitmap( *m_arrowDown, x-5, y_mid-6, TRUE );
                     else
-                    {
-                        button[0].y = y_mid-6;
-                        button[0].x = x-2;
-                        button[1].y = y_mid+6;
-                        button[1].x = x-2;
-                        button[2].y = y_mid;
-                        button[2].x = x+7;
-                    }
+                        dc.DrawBitmap( *m_arrowRight, x-5, y_mid-6, TRUE );
                 }
                 else
                 {
+                    dc.SetBrush(*m_hilightBrush);
                     dc.SetPen(*wxBLACK_PEN);
+                    wxPoint button[3];
 
                     if (item->IsExpanded())
                     {
@@ -2096,10 +2173,9 @@ void wxGenericTreeCtrl::PaintLevel( wxGenericTreeItem *item, wxDC &dc, int level
                         button[2].y = y_mid;
                         button[2].x = x+3;
                     }
+                    dc.DrawPolygon(3, button);
+                    dc.SetPen(m_dottedPen);
                 }
-                dc.DrawPolygon(3, button);
-
-                dc.SetPen(m_dottedPen);
             }
             else // if (HasFlag(wxTR_HAS_BUTTONS))
             {
@@ -2492,14 +2568,8 @@ wxTreeItemId wxGenericTreeCtrl::HitTest(const wxPoint& point, int& flags)
         return wxTreeItemId();
     }
 
-    wxClientDC dc(this);
-    PrepareDC(dc);
-    wxCoord x = dc.DeviceToLogicalX( point.x );
-    wxCoord y = dc.DeviceToLogicalY( point.y );
-    wxGenericTreeItem *hit =  m_anchor->HitTest(wxPoint(x, y),
-                                                this,
-                                                flags,
-                                                0 );
+    wxGenericTreeItem *hit =  m_anchor->HitTest(CalcUnscrolledPosition(point),
+                                                this, flags, 0);
     if (hit == NULL)
     {
         flags = wxTREE_HITTEST_NOWHERE;
@@ -2550,10 +2620,10 @@ void wxGenericTreeCtrl::Edit( const wxTreeItemId& item )
     if (m_dirty) wxYieldIfNeeded();
 
     wxString s = m_currentEdit->GetText();
-    int x = m_currentEdit->GetX();
-    int y = m_currentEdit->GetY();
     int w = m_currentEdit->GetWidth();
     int h = m_currentEdit->GetHeight();
+    int x, y;
+    CalcScrolledPosition(m_currentEdit->GetX(), m_currentEdit->GetY(), &x, &y);
 
     int image_h = 0;
     int image_w = 0;
@@ -2574,11 +2644,6 @@ void wxGenericTreeCtrl::Edit( const wxTreeItemId& item )
     x += image_w;
     w -= image_w + 4; // I don't know why +4 is needed
 
-    wxClientDC dc(this);
-    PrepareDC( dc );
-    x = dc.LogicalToDeviceX( x );
-    y = dc.LogicalToDeviceY( y );
-
     wxTreeTextCtrl *text = new wxTreeTextCtrl(this, -1,
                                               &m_renameAccept,
                                               &m_renameRes,
@@ -2627,21 +2692,15 @@ void wxGenericTreeCtrl::OnMouse( wxMouseEvent &event )
         return;
     }
 
-    wxClientDC dc(this);
-    PrepareDC(dc);
-    wxCoord x = dc.DeviceToLogicalX( event.GetX() );
-    wxCoord y = dc.DeviceToLogicalY( event.GetY() );
+    wxPoint pt = CalcUnscrolledPosition(event.GetPosition());
 
     int flags = 0;
-    wxGenericTreeItem *item = m_anchor->HitTest( wxPoint(x,y),
-                                                 this,
-                                                 flags,
-                                                 0 );
+    wxGenericTreeItem *item = m_anchor->HitTest(pt, this, flags, 0);
 
     if ( event.Dragging() && !m_isDragging )
     {
         if (m_dragCount == 0)
-            m_dragStart = wxPoint(x,y);
+            m_dragStart = pt;
 
         m_dragCount++;
 
@@ -2718,7 +2777,7 @@ void wxGenericTreeCtrl::OnMouse( wxMouseEvent &event )
         wxTreeEvent event(wxEVT_COMMAND_TREE_END_DRAG, GetId());
 
         event.m_item = (long) item;
-        event.m_pointDrag = wxPoint(x, y);
+        event.m_pointDrag = pt;
         event.SetEventObject(this);
 
         (void)GetEventHandler()->ProcessEvent(event);
@@ -2744,9 +2803,7 @@ void wxGenericTreeCtrl::OnMouse( wxMouseEvent &event )
         {
             wxTreeEvent nevent(wxEVT_COMMAND_TREE_ITEM_RIGHT_CLICK, GetId());
             nevent.m_item = (long) item;
-            CalcScrolledPosition(x, y,
-                                 &nevent.m_pointDrag.x,
-                                 &nevent.m_pointDrag.y);
+            nevent.m_pointDrag = CalcScrolledPosition(pt);
             nevent.SetEventObject(this);
             GetEventHandler()->ProcessEvent(nevent);
         }
@@ -2807,9 +2864,7 @@ void wxGenericTreeCtrl::OnMouse( wxMouseEvent &event )
                 // send activate event first
                 wxTreeEvent nevent( wxEVT_COMMAND_TREE_ITEM_ACTIVATED, GetId() );
                 nevent.m_item = (long) item;
-                CalcScrolledPosition(x, y,
-                                     &nevent.m_pointDrag.x,
-                                     &nevent.m_pointDrag.y);
+                nevent.m_pointDrag = CalcScrolledPosition(pt);
                 nevent.SetEventObject( this );
                 if ( !GetEventHandler()->ProcessEvent( nevent ) )
                 {
@@ -2845,7 +2900,10 @@ void wxGenericTreeCtrl::CalculateSize( wxGenericTreeItem *item, wxDC &dc )
     wxCoord text_w = 0;
     wxCoord text_h = 0;
 
-    if (item->IsBold())
+    wxTreeItemAttr *attr = item->GetAttributes();
+    if ( attr && attr->HasFont() )
+        dc.SetFont(attr->GetFont());
+    else if ( item->IsBold() )
         dc.SetFont(m_boldFont);
 
     dc.GetTextExtent( item->GetText(), &text_w, &text_h );
@@ -2939,20 +2997,14 @@ void wxGenericTreeCtrl::RefreshSubtree(wxGenericTreeItem *item)
 {
     if (m_dirty) return;
 
-    wxClientDC dc(this);
-    PrepareDC(dc);
-
-    int cw = 0;
-    int ch = 0;
-    GetClientSize( &cw, &ch );
+    wxSize client = GetClientSize();
 
     wxRect rect;
-    rect.x = dc.LogicalToDeviceX( 0 );
-    rect.width = cw;
-    rect.y = dc.LogicalToDeviceY( item->GetY() );
-    rect.height = ch;
+    CalcScrolledPosition(0, item->GetY(), NULL, &rect.y);
+    rect.width = client.x;
+    rect.height = client.y;
 
-    Refresh( TRUE, &rect );
+    Refresh(TRUE, &rect);
 
     AdjustMyScrollbars();
 }
@@ -2961,20 +3013,12 @@ void wxGenericTreeCtrl::RefreshLine( wxGenericTreeItem *item )
 {
     if (m_dirty) return;
 
-    wxClientDC dc(this);
-    PrepareDC( dc );
-
-    int cw = 0;
-    int ch = 0;
-    GetClientSize( &cw, &ch );
-
     wxRect rect;
-    rect.x = dc.LogicalToDeviceX( 0 );
-    rect.y = dc.LogicalToDeviceY( item->GetY() );
-    rect.width = cw;
+    CalcScrolledPosition(0, item->GetY(), NULL, &rect.y);
+    rect.width = GetClientSize().x;
     rect.height = GetLineHeight(item); //dc.GetCharHeight() + 6;
 
-    Refresh( TRUE, &rect );
+    Refresh(TRUE, &rect);
 }
 
 void wxGenericTreeCtrl::RefreshSelected()