X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a32dd69091fec647103402959b39b2fd8118a27f..c6cdf16c933251be1670f611ba28e48885610b23:/src/generic/treectrl.cpp?ds=sidebyside

diff --git a/src/generic/treectrl.cpp b/src/generic/treectrl.cpp
index bbb5b9ade5..c9c35cb94d 100644
--- a/src/generic/treectrl.cpp
+++ b/src/generic/treectrl.cpp
@@ -3,7 +3,7 @@
 // Purpose:
 // Author:      Robert Roebling
 // Created:     01/02/97
-// Id:
+// Id:          $Id$
 // Copyright:   (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
@@ -14,6 +14,7 @@
 
 #include "wx/treectrl.h"
 #include "wx/settings.h"
+#include "wx/log.h"
 
 //-----------------------------------------------------------------------------
 // wxTreeItem
@@ -210,7 +211,7 @@ void wxGenericTreeItem::GetSize( int &x, int &y )
 
 long wxGenericTreeItem::HitTest( const wxPoint& point, int &flags )
 {
-  if (m_parent && ((point.y > m_y) && (point.y < m_y+m_height)))
+  if ((point.y > m_y) && (point.y < m_y+m_height))
   {
     if ((point.x > m_xCross-5) &&
         (point.x < m_xCross+5) &&
@@ -236,13 +237,16 @@ long wxGenericTreeItem::HitTest( const wxPoint& point, int &flags )
   }
   else
   {
-    wxNode *node = m_children.First();
-    while (node)
+    if (!m_isCollapsed)
     {
-      wxGenericTreeItem *child = (wxGenericTreeItem*)node->Data();
-      long res = child->HitTest( point, flags );
-      if (res != -1) return res;
-      node = node->Next();
+      wxNode *node = m_children.First();
+      while (node)
+      {
+        wxGenericTreeItem *child = (wxGenericTreeItem*)node->Data();
+        long res = child->HitTest( point, flags );
+        if (res != -1) return res;
+        node = node->Next();
+      };
     };
   };
   return -1;
@@ -292,7 +296,6 @@ void wxGenericTreeItem::SendExpand( wxWindow *target )
   m_isCollapsed = FALSE;
 
   wxTreeEvent event( wxEVT_COMMAND_TREE_ITEM_EXPANDING, target->GetId() );
-  event.SetCode(wxTREE_EXPAND_EXPAND);
   event.SetEventObject( target );
   PrepareEvent( event );
   target->ProcessEvent( event );
@@ -306,13 +309,12 @@ void wxGenericTreeItem::SendCollapse( wxWindow *target )
 {
   m_isCollapsed = TRUE;
 
-  wxTreeEvent event( wxEVT_COMMAND_TREE_ITEM_EXPANDING, target->GetId() );
-  event.SetCode(wxTREE_EXPAND_COLLAPSE);
+  wxTreeEvent event( wxEVT_COMMAND_TREE_ITEM_COLLAPSING, target->GetId() );
   event.SetEventObject( target );
   PrepareEvent( event );
   target->ProcessEvent( event );
 
-  event.SetEventType(wxEVT_COMMAND_TREE_ITEM_EXPANDED);
+  event.SetEventType(wxEVT_COMMAND_TREE_ITEM_COLLAPSED);
   PrepareEvent( event );
   target->ProcessEvent( event );
 };
@@ -331,8 +333,7 @@ bool wxGenericTreeItem::HasHilight()
 // wxTreeCtrl
 //-----------------------------------------------------------------------------
 
-IMPLEMENT_DYNAMIC_CLASS(wxTreeCtrl,wxScrolledWindow
-)
+IMPLEMENT_DYNAMIC_CLASS(wxTreeCtrl,wxScrolledWindow)
 
 BEGIN_EVENT_TABLE(wxTreeCtrl,wxScrolledWindow)
   EVT_PAINT          (wxTreeCtrl::OnPaint)
@@ -353,13 +354,13 @@ wxTreeCtrl::wxTreeCtrl()
   m_lineHeight = 10;
   m_indent = 15;
   m_isCreated = FALSE;
-  m_dc = NULL;
   m_hilightBrush = new wxBrush( wxSystemSettings::GetSystemColour(wxSYS_COLOUR_HIGHLIGHT), wxSOLID );
+  m_imageList = NULL;
+  m_smallImageList = NULL;
 };
 
 wxTreeCtrl::wxTreeCtrl(wxWindow *parent, wxWindowID id,
-            const wxPoint& pos,
- const wxSize& size,
+            const wxPoint& pos, const wxSize& size,
             long style, const wxString& name )
 {
   m_current = NULL;
@@ -371,21 +372,19 @@ wxTreeCtrl::wxTreeCtrl(wxWindow *parent, wxWindowID id,
   m_lineHeight = 10;
   m_indent = 15;
   m_isCreated = FALSE;
-  m_dc = NULL;
   m_hilightBrush = new wxBrush( wxSystemSettings::GetSystemColour(wxSYS_COLOUR_HIGHLIGHT), wxSOLID );
+  m_imageList = NULL;
+  m_smallImageList = NULL;
   Create( parent, id, pos, size, style, name );
 };
 
 wxTreeCtrl::~wxTreeCtrl()
 {
-  if (m_dc) delete m_dc;
 };
 
 bool wxTreeCtrl::Create(wxWindow *parent, wxWindowID id,
-            const wxPoint& pos,
- const wxSize& size,
-            long style
-, const wxString& name )
+            const wxPoint& pos, const wxSize& size,
+            long style, const wxString& name )
 {
   wxScrolledWindow::Create( parent, id, pos, size, style, name );
   SetBackgroundColour( *wxWHITE );
@@ -443,14 +442,19 @@ long wxTreeCtrl::InsertItem( long parent, const wxString& label, int image,
   {
     CalculatePositions();
 
+    if (!p->HasChildren()) p->m_hasChildren = TRUE;
+
     int ch = 0;
     GetClientSize( NULL, &ch );
 
+    PrepareDC( dc );
+    
     wxRectangle rect;
-    rect.x = 0; rect.y = 0;
-    rect.width = 10000; rect.height = ch;
+    rect.x = dc.LogicalToDeviceX( 0 ); 
+    rect.y = 0;
+    rect.width = 10000; 
+    rect.height = ch;
 
-    PrepareDC( dc );
     if (p->m_children.Number() == 1)
     {
       rect.y = dc.LogicalToDeviceY( p->m_y );
@@ -462,11 +466,6 @@ long wxTreeCtrl::InsertItem( long parent, const wxString& label, int image,
       rect.y = dc.LogicalToDeviceY( last_child->m_y );
     };
 
-    long doX = 0;
-    long doY = 0;
-    dc.GetDeviceOrigin( &doX, &doY );
-    rect.height = ch-rect.y-doY;
-
     AdjustMyScrollbars();
 
     if (rect.height > 0) Refresh( FALSE, &rect);
@@ -522,14 +521,19 @@ long wxTreeCtrl::InsertItem( long parent, wxTreeItem &info, long WXUNUSED(insert
   {
     CalculatePositions();
 
+    if (!p->HasChildren()) p->m_hasChildren = TRUE;
+
     int ch = 0;
     GetClientSize( NULL, &ch );
 
+    PrepareDC( dc );
+    
     wxRectangle rect;
-    rect.x = 0; rect.y = 0;
-    rect.width = 10000; rect.height = ch;
+    rect.x = dc.LogicalToDeviceX( 0 ); 
+    rect.y = 0;
+    rect.width = 10000; 
+    rect.height = ch;
 
-    PrepareDC( dc );
     if (p->m_children.Number() == 1)
     {
       rect.y = dc.LogicalToDeviceY( p->m_y );
@@ -541,11 +545,6 @@ long wxTreeCtrl::InsertItem( long parent, wxTreeItem &info, long WXUNUSED(insert
       rect.y = dc.LogicalToDeviceY( last_child->m_y );
     };
 
-    long doX = 0;
-    long doY = 0;
-    dc.GetDeviceOrigin( &doX, &doY );
-    rect.height = ch-rect.y-doY;
-
     AdjustMyScrollbars();
 
     if (rect.height > 0) Refresh( FALSE, &rect);
@@ -582,17 +581,13 @@ bool wxTreeCtrl::ExpandItem( long item, int action )
       while (node)
       {
         wxGenericTreeItem *child = (wxGenericTreeItem*)node->Data();
-#if 0 // VZ: don't delete items when the branch is collapsed
-        child->SendDelete( this );
-        delete node;
-        node = i->m_children.First();
-#else
         if ( child->IsExpanded() )
           ExpandItem( child->m_itemId, wxTREE_EXPAND_COLLAPSE );
         node = node->Next();
-#endif
       };
 
+      CalculatePositions();
+
       i->SendCollapse( this );
       break;
     }
@@ -607,19 +602,18 @@ bool wxTreeCtrl::ExpandItem( long item, int action )
     }
   };
 
+  wxClientDC dc(this);
+  PrepareDC(dc);
+  
   int cw = 0;
   int ch = 0;
   GetClientSize( &cw, &ch );
+  
   wxRect rect;
-  rect.x = 0;
+  rect.x = dc.LogicalToDeviceX( 0 );
   rect.width = cw;
-  wxClientDC dc(this);
-  PrepareDC(dc);
   rect.y = dc.LogicalToDeviceY( i->m_y );
-
-  long doY = 0;
-  dc.GetDeviceOrigin( NULL, &doY );
-  rect.height = ch-rect.y-doY;
+  rect.height = ch;
   Refresh( TRUE, &rect );
 
   AdjustMyScrollbars();
@@ -631,7 +625,19 @@ void wxTreeCtrl::DeleteItem( long item )
 {
   wxGenericTreeItem *pItem = FindItem( item );
   wxCHECK_RET( pItem != NULL, "wxTreeCtrl::DeleteItem: no such pItem." );
+
   pItem->m_parent->m_children.DeleteObject(pItem);
+
+  Refresh();
+}
+
+void wxTreeCtrl::DeleteChildren( long item )
+{
+  wxGenericTreeItem *pItem = FindItem( item );
+  wxCHECK_RET( pItem != NULL, "wxTreeCtrl::DeleteChildren: no such pItem." );
+
+  pItem->m_children.Clear();
+
   Refresh();
 }
 
@@ -688,14 +694,40 @@ long wxTreeCtrl::GetRootItem() const
 
 long wxTreeCtrl::GetSelection() const
 {
-  return 0;
+  return m_current ? m_current->GetItemId() : -1;
 };
 
-bool wxTreeCtrl::SelectItem( long WXUNUSED(item) ) const
+bool wxTreeCtrl::SelectItem(long itemId)
 {
-  return FALSE;
+  wxGenericTreeItem *pItem = FindItem(itemId);
+  if ( !pItem ) {
+    wxLogDebug("Can't select an item %d which doesn't exist.", itemId);
+
+    return FALSE;
+  }
+
+  SelectItem(pItem);
+
+  return TRUE;
 };
 
+void wxTreeCtrl::SelectItem(wxGenericTreeItem *item)
+{
+  if (m_current != item)
+  {
+    if (m_current)
+    {
+      m_current->SetHilight( FALSE );
+      RefreshLine( m_current );
+    };
+    m_current = item;
+    m_current->SetHilight( TRUE );
+    RefreshLine( m_current );
+
+    m_current->SendSelected( this );
+  }
+}
+
 bool wxTreeCtrl::ItemHasChildren( long item ) const
 {
   wxGenericTreeItem *i = FindItem( item );
@@ -757,6 +789,26 @@ long wxTreeCtrl::HitTest( const wxPoint& point, int &flags )
   return m_anchor->HitTest( point, flags );
 };
 
+wxImageList *wxTreeCtrl::GetImageList( int which ) const
+{
+  if (which == wxIMAGE_LIST_NORMAL) return m_imageList;
+  return m_smallImageList;
+};
+
+void wxTreeCtrl::SetImageList( wxImageList *imageList, int which )
+{
+  if (which == wxIMAGE_LIST_NORMAL)
+  {
+    if (m_imageList) delete m_imageList;
+    m_imageList = imageList;
+  }
+  else
+  {
+    if (m_smallImageList) delete m_smallImageList;
+    m_smallImageList = imageList;
+  };
+};
+
 void wxTreeCtrl::AdjustMyScrollbars()
 {
   if (m_anchor)
@@ -777,105 +829,107 @@ void wxTreeCtrl::AdjustMyScrollbars()
 
 void wxTreeCtrl::PaintLevel( wxGenericTreeItem *item, wxPaintDC &dc, int level, int &y )
 {
-  int horizX = level*m_indent+10;
-  int oldY = y;
-  wxNode *node = item->m_children.First();
-  while (node)
-  {
-    wxGenericTreeItem *child = (wxGenericTreeItem *)node->Data();
-    dc.SetPen( m_dottedPen );
+  int horizX = level*m_indent;
 
-    child->SetCross( horizX+15, y );
+  item->m_x = horizX+33;
+  item->m_y = y-m_lineHeight/3;
+  item->m_height = m_lineHeight;
 
-    if (!node->Next())
-    {
-      if (level != 0) oldY -= (m_lineHeight-5);
-      dc.DrawLine( horizX, oldY, horizX, y );
-    };
+  item->SetCross( horizX+15, y );
 
-    child->m_x = horizX+33;
-    child->m_y = y-m_lineHeight/3;
-    child->m_height = m_lineHeight;
+  int oldY = y;
 
-    if (IsExposed( 0, child->m_y-2, 10000, m_lineHeight+4 ))
-    {
-      int startX = horizX,
-          endX = horizX + 10;
+  int exposed_x = dc.LogicalToDeviceX( 0 );
+  int exposed_y = dc.LogicalToDeviceY( item->m_y-2 );
+  
+  if (IsExposed( exposed_x, exposed_y, 1000, m_lineHeight+4 ))
+  {
+    int startX = horizX;
+    int endX = horizX + 10;
 
-      if (!(node->Previous()) && (level == 0))
-        startX -= 10;
-      if (!child->HasChildren())
-        endX += 20;
-      dc.DrawLine( startX, y, endX, y );
+    if (!item->HasChildren()) endX += 20;
+    
+    dc.DrawLine( startX, y, endX, y );
 
-      if (child->HasChildren())
+      if (item->HasChildren())
       {
         dc.DrawLine( horizX+20, y, horizX+30, y );
         dc.SetPen( *wxGREY_PEN );
         dc.DrawRectangle( horizX+10, y-4, 11, 9 );
         dc.SetPen( *wxBLACK_PEN );
-        dc.DrawLine( horizX+13, y, horizX+17, y );
-        if (child->HasPlus())
-          dc.DrawLine( horizX+15, y-2, horizX+15, y+2 );
+        dc.DrawLine( horizX+13, y, horizX+18, y );
+        if (item->HasPlus())
+          dc.DrawLine( horizX+15, y-2, horizX+15, y+3 );
       };
 
-      if (child->HasHilight())
+      if (item->HasHilight())
       {
         dc.SetTextForeground( wxSystemSettings::GetSystemColour( wxSYS_COLOUR_HIGHLIGHTTEXT ) );
-#if 0 // VZ: this code leaves horizontal stripes when item is unselected
         dc.SetBrush( *m_hilightBrush );
+        long tw, th;
+        dc.GetTextExtent( item->m_text, &tw, &th );
         if (m_hasFocus)
-          dc.SetPen( wxBLACK_PEN );
+        {
+          dc.SetPen( *wxBLACK_PEN );
+          dc.DrawRectangle( item->m_x-2, item->m_y-2, tw+4, th+4 );
+        }
         else
-          dc.SetPen( wxTRANSPARENT_PEN );
-        long tw, th;
-        dc.GetTextExtent( child->m_text, &tw, &th );
-        dc.DrawRectangle( child->m_x-2, child->m_y-2, tw+4, th+4 );
-#else
-        int modeOld = dc.GetBackgroundMode();
-        dc.SetTextBackground( *wxBLACK );
-        dc.SetBackgroundMode(wxSOLID);
-#endif // 0
-
-        dc.DrawText( child->m_text, child->m_x, child->m_y );
+        {
+          dc.SetPen( *wxTRANSPARENT_PEN );
+          dc.DrawRectangle( item->m_x-2, item->m_y-2, tw+4, th+4 );
+        }
+        dc.DrawText( item->m_text, item->m_x, item->m_y );
 
-#if 0 // VZ: same as above
         dc.SetPen( *wxBLACK_PEN );
-#else
-        dc.SetBackgroundMode(modeOld);
-        dc.SetTextBackground( *wxWHITE );
-        dc.SetBrush( *wxWHITE_BRUSH );
-#endif
         dc.SetTextForeground( *wxBLACK );
+        dc.SetBrush( *wxWHITE_BRUSH );
       }
       else
-        dc.DrawText( child->m_text, child->m_x, child->m_y );
-    };
+      {
+        dc.SetBrush( *wxWHITE_BRUSH );
+        dc.SetPen( *wxTRANSPARENT_PEN );
+        long tw, th;
+        dc.GetTextExtent( item->m_text, &tw, &th );
+        dc.DrawRectangle( item->m_x-2, item->m_y-2, tw+4, th+4 );
+        dc.DrawText( item->m_text, item->m_x, item->m_y );
+        dc.SetPen( *wxBLACK_PEN );
+      };
+  };
+
+  if (item->NumberOfVisibleChildren() == 0) return;
+
+  int semiOldY = y;
+
+  wxNode *node = item->m_children.First();
+  while (node)
+  {
+    wxGenericTreeItem *child = (wxGenericTreeItem *)node->Data();
 
     y += m_lineHeight;
-    if ( child->IsExpanded() && child->NumberOfVisibleChildren() > 0)
-      PaintLevel( child, dc, level+1, y );
+    semiOldY = y;
+
+    PaintLevel( child, dc, level+1, y );
+
     node = node->Next();
   };
-};
+
+  dc.DrawLine( horizX+15, oldY+5, horizX+15, semiOldY );
+}
 
 void wxTreeCtrl::OnPaint( const wxPaintEvent &WXUNUSED(event) )
 {
   if (!m_anchor) return;
 
-  if (!m_dc)
-  {
-    m_dc = new wxPaintDC(this);
-    PrepareDC( *m_dc );
-  };
+  wxPaintDC dc(this);
+  PrepareDC( dc );
 
-  m_dc->SetFont( wxSystemSettings::GetSystemFont( wxSYS_SYSTEM_FONT ) );
+  dc.SetFont( wxSystemSettings::GetSystemFont( wxSYS_SYSTEM_FONT ) );
 
-  m_dc->SetPen( m_dottedPen );
-  m_lineHeight = (int)(m_dc->GetCharHeight() + 4);
+  dc.SetPen( m_dottedPen );
+  m_lineHeight = (int)(dc.GetCharHeight() + 4);
 
   int y = m_lineHeight / 2 + 2;
-  PaintLevel( m_anchor, *m_dc, 0, y );
+  PaintLevel( m_anchor, dc, 0, y );
 };
 
 void wxTreeCtrl::OnSetFocus( const wxFocusEvent &WXUNUSED(event) )
@@ -915,18 +969,7 @@ void wxTreeCtrl::OnMouse( const wxMouseEvent &event )
   if ((flag != wxTREE_HITTEST_ONITEMBUTTON) &&
       (flag != wxTREE_HITTEST_ONITEMLABEL)) return;
 
-  if (m_current != item)
-  {
-    if (m_current)
-    {
-      m_current->SetHilight( FALSE );
-      RefreshLine( m_current );
-    };
-    m_current = item;
-    m_current->SetHilight( TRUE );
-    RefreshLine( m_current );
-    m_current->SendSelected( this );
-  };
+  SelectItem(item);
 
   if (event.LeftDClick())
     m_current->SendKeyDown( this );
@@ -940,28 +983,21 @@ void wxTreeCtrl::OnMouse( const wxMouseEvent &event )
 
 void wxTreeCtrl::CalculateLevel( wxGenericTreeItem *item, wxPaintDC &dc, int level, int &y )
 {
-  int horizX = level*m_indent+10;
+  int horizX = level*m_indent;
+
+  item->m_x = horizX+33;
+  item->m_y = y-m_lineHeight/3-2;
+  item->m_height = m_lineHeight;
+
+  if (item->NumberOfVisibleChildren() == 0) return;
+
   wxNode *node = item->m_children.First();
   while (node)
   {
     wxGenericTreeItem *child = (wxGenericTreeItem *)node->Data();
-    dc.SetPen( m_dottedPen );
-
-    int startX = horizX,
-        endX = horizX + 10;
-
-    if (!node->Previous() && (level == 0))
-      startX -= 10;
-    if (!child->HasChildren())
-      endX += 20;
-
-    child->m_x = horizX+33;
-    child->m_y = y-m_lineHeight/3-2;
-    child->m_height = m_lineHeight;
 
     y += m_lineHeight;
-    if ( child->IsExpanded() && child->NumberOfVisibleChildren() > 0 )
-      CalculateLevel( child, dc, level+1, y );
+    CalculateLevel( child, dc, level+1, y );
 
     node = node->Next();
   };
@@ -999,7 +1035,7 @@ void wxTreeCtrl::RefreshLine( wxGenericTreeItem *item )
   rect.x = dc.LogicalToDeviceX( item->m_x-2 );
   rect.y = dc.LogicalToDeviceY( item->m_y-2 );
   rect.width = 1000;
-  rect.height = dc.GetCharHeight()+4;
+  rect.height = dc.GetCharHeight()+6;
   Refresh( TRUE, &rect );
 };