]> git.saurik.com Git - wxWidgets.git/blobdiff - src/generic/treectlg.cpp
no need to %import gdi.i
[wxWidgets.git] / src / generic / treectlg.cpp
index 0daf721601d712f5c3b3b5b9b7b0c5deb16e2fc5..eaea98d3badbac9859ed6d47ed595cbaeb8ecf06 100644 (file)
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        treectlg.cpp
+// Name:        src/generic/treectlg.cpp
 // Purpose:     generic tree control implementation
 // Author:      Robert Roebling
 // Created:     01/02/97
 
 #if wxUSE_TREECTRL
 
-#include "wx/treebase.h"
 #include "wx/treectrl.h"
+
+#ifndef WX_PRECOMP
+    #include "wx/dcclient.h"
+    #include "wx/timer.h"
+    #include "wx/settings.h"
+    #include "wx/listbox.h"
+    #include "wx/textctrl.h"
+#endif
+
 #include "wx/generic/treectlg.h"
-#include "wx/timer.h"
-#include "wx/textctrl.h"
 #include "wx/imaglist.h"
-#include "wx/settings.h"
-#include "wx/dcclient.h"
 
 #include "wx/renderer.h"
 
@@ -199,9 +203,9 @@ public:
     wxGenericTreeItem *GetParent() const { return m_parent; }
 
     // operations
-        // deletes all children notifying the treectrl about it if !NULL
-        // pointer given
-    void DeleteChildren(wxGenericTreeCtrl *tree = NULL);
+
+    // deletes all children notifying the treectrl about it
+    void DeleteChildren(wxGenericTreeCtrl *tree);
 
     // get count of all children (and grand children if 'recursively')
     size_t GetChildrenCount(bool recursively = true) const;
@@ -548,11 +552,10 @@ void wxGenericTreeItem::DeleteChildren(wxGenericTreeCtrl *tree)
     for ( size_t n = 0; n < count; n++ )
     {
         wxGenericTreeItem *child = m_children[n];
-        if (tree)
-            tree->SendDeleteEvent(child);
+        tree->SendDeleteEvent(child);
 
         child->DeleteChildren(tree);
-        if (child == tree->m_select_me)
+        if ( child == tree->m_select_me )
             tree->m_select_me = NULL;
         delete child;
     }
@@ -864,7 +867,7 @@ wxGenericTreeCtrl::~wxGenericTreeCtrl()
 // accessors
 // -----------------------------------------------------------------------------
 
-size_t wxGenericTreeCtrl::GetCount() const
+unsigned int wxGenericTreeCtrl::GetCount() const
 {
     if ( !m_anchor )
     {
@@ -872,7 +875,7 @@ size_t wxGenericTreeCtrl::GetCount() const
         return 0;
     }
 
-    size_t count = m_anchor->GetChildrenCount();
+    unsigned int count = m_anchor->GetChildrenCount();
     if ( !HasFlag(wxTR_HIDE_ROOT) )
     {
         // take the root itself into account
@@ -1490,9 +1493,7 @@ wxTreeItemId wxGenericTreeCtrl::DoInsertAfter(const wxTreeItemId& parentId,
 
 void wxGenericTreeCtrl::SendDeleteEvent(wxGenericTreeItem *item)
 {
-    wxTreeEvent event( wxEVT_COMMAND_TREE_DELETE_ITEM, GetId() );
-    event.m_item = item;
-    event.SetEventObject( this );
+    wxTreeEvent event(wxEVT_COMMAND_TREE_DELETE_ITEM, this, item);
     ProcessEvent( event );
 }
 
@@ -1610,9 +1611,7 @@ void wxGenericTreeCtrl::Expand(const wxTreeItemId& itemId)
     if ( item->IsExpanded() )
         return;
 
-    wxTreeEvent event( wxEVT_COMMAND_TREE_ITEM_EXPANDING, GetId() );
-    event.m_item = item;
-    event.SetEventObject( this );
+    wxTreeEvent event(wxEVT_COMMAND_TREE_ITEM_EXPANDING, this, item);
 
     if ( ProcessEvent( event ) && !event.IsAllowed() )
     {
@@ -1629,25 +1628,6 @@ void wxGenericTreeCtrl::Expand(const wxTreeItemId& itemId)
     ProcessEvent( event );
 }
 
-void wxGenericTreeCtrl::ExpandAll(const wxTreeItemId& item)
-{
-    if ( !HasFlag(wxTR_HIDE_ROOT) || item != GetRootItem())
-    {
-        Expand(item);
-        if ( !IsExpanded(item) )
-            return;
-    }
-
-    wxTreeItemIdValue cookie;
-    wxTreeItemId child = GetFirstChild(item, cookie);
-    while ( child.IsOk() )
-    {
-        ExpandAll(child);
-
-        child = GetNextChild(item, cookie);
-    }
-}
-
 void wxGenericTreeCtrl::Collapse(const wxTreeItemId& itemId)
 {
     wxCHECK_RET( !HasFlag(wxTR_HIDE_ROOT) || itemId != GetRootItem(),
@@ -1658,9 +1638,7 @@ void wxGenericTreeCtrl::Collapse(const wxTreeItemId& itemId)
     if ( !item->IsExpanded() )
         return;
 
-    wxTreeEvent event( wxEVT_COMMAND_TREE_ITEM_COLLAPSING, GetId() );
-    event.m_item = item;
-    event.SetEventObject( this );
+    wxTreeEvent event(wxEVT_COMMAND_TREE_ITEM_COLLAPSING, this, item);
     if ( ProcessEvent( event ) && !event.IsAllowed() )
     {
         // cancelled by program
@@ -1840,10 +1818,8 @@ void wxGenericTreeCtrl::DoSelectItem(const wxTreeItemId& itemId,
             return;
     }
 
-    wxTreeEvent event( wxEVT_COMMAND_TREE_SEL_CHANGING, GetId() );
-    event.m_item = item;
+    wxTreeEvent event(wxEVT_COMMAND_TREE_SEL_CHANGING, this, item);
     event.m_itemOld = m_current;
-    event.SetEventObject( this );
     // TODO : Here we don't send any selection mode yet !
 
     if ( GetEventHandler()->ProcessEvent( event ) && !event.IsAllowed() )
@@ -1858,8 +1834,6 @@ void wxGenericTreeCtrl::DoSelectItem(const wxTreeItemId& itemId,
         parent = GetItemParent( parent );
     }
 
-    EnsureVisible( itemId );
-
     // ctrl press
     if (unselect_others)
     {
@@ -1891,6 +1865,11 @@ void wxGenericTreeCtrl::DoSelectItem(const wxTreeItemId& itemId,
         RefreshLine( m_current );
     }
 
+    // This can cause idle processing to select the root
+    // if no item is selected, so it must be after the
+    // selection is set
+    EnsureVisible( itemId );
+
     event.SetEventType(wxEVT_COMMAND_TREE_SEL_CHANGED);
     GetEventHandler()->ProcessEvent( event );
 }
@@ -2321,7 +2300,7 @@ void wxGenericTreeCtrl::PaintLevel( wxGenericTreeItem *item, wxDC &dc, int level
 
     if (IsExposed(exposed_x, exposed_y, 10000, h))  // 10000 = very much
     {
-        wxPen *pen =
+        const wxPen *pen =
 #ifndef __WXMAC__
             // don't draw rect outline if we already have the
             // background color under Mac
@@ -2330,7 +2309,15 @@ void wxGenericTreeCtrl::PaintLevel( wxGenericTreeItem *item, wxDC &dc, int level
             wxTRANSPARENT_PEN;
 
         wxColour colText;
-        if ( item->IsSelected() )
+        if ( item->IsSelected()
+#ifdef __WXMAC__
+            // On wxMac, if the tree doesn't have the focus we draw an empty
+            // rectangle, so we want to make sure that the text is visible
+            // against the normal background, not the highlightbackground, so
+            // don't use the highlight text colour unless we have the focus.
+             && m_hasFocus
+#endif
+            )
         {
             colText = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT);
         }
@@ -2566,9 +2553,8 @@ void wxGenericTreeCtrl::OnKillFocus( wxFocusEvent &event )
 
 void wxGenericTreeCtrl::OnChar( wxKeyEvent &event )
 {
-    wxTreeEvent te( wxEVT_COMMAND_TREE_KEY_DOWN, GetId() );
+    wxTreeEvent te( wxEVT_COMMAND_TREE_KEY_DOWN, this);
     te.m_evtKey = event;
-    te.SetEventObject( this );
     if ( GetEventHandler()->ProcessEvent( te ) )
     {
         // intercepted by the user code
@@ -2615,7 +2601,7 @@ void wxGenericTreeCtrl::OnChar( wxKeyEvent &event )
             if ( !IsExpanded(m_current) )
             {
                 // expand all
-                ExpandAll(m_current);
+                ExpandAllChildren(m_current);
                 break;
             }
             //else: fall through to Collapse() it
@@ -2634,22 +2620,19 @@ void wxGenericTreeCtrl::OnChar( wxKeyEvent &event )
                 wxRect ItemRect;
                 GetBoundingRect(m_current, ItemRect, true);
 
-                wxTreeEvent eventMenu( wxEVT_COMMAND_TREE_ITEM_MENU, GetId() );
-                eventMenu.m_item = m_current;
+                wxTreeEvent eventMenu(wxEVT_COMMAND_TREE_ITEM_MENU, this, m_current);
                 // Use the left edge, vertical middle
                 eventMenu.m_pointDrag = wxPoint(ItemRect.GetX(),
                                                 ItemRect.GetY() + ItemRect.GetHeight() / 2);
-                eventMenu.SetEventObject( this );
                 GetEventHandler()->ProcessEvent( eventMenu );
-                break;
             }
+            break;
+
         case ' ':
         case WXK_RETURN:
             if ( !event.HasModifiers() )
             {
-                wxTreeEvent eventAct( wxEVT_COMMAND_TREE_ITEM_ACTIVATED, GetId() );
-                eventAct.m_item = m_current;
-                eventAct.SetEventObject( this );
+                wxTreeEvent eventAct(wxEVT_COMMAND_TREE_ITEM_ACTIVATED, this, m_current);
                 GetEventHandler()->ProcessEvent( eventAct );
             }
 
@@ -2838,11 +2821,9 @@ void wxGenericTreeCtrl::OnChar( wxKeyEvent &event )
     }
 }
 
-wxTreeItemId wxGenericTreeCtrl::DoTreeHitTest(const wxPoint& point, int& flags)
+wxTreeItemId
+wxGenericTreeCtrl::DoTreeHitTest(const wxPoint& point, int& flags) const
 {
-    // JACS: removed wxYieldIfNeeded() because it can cause the window
-    // to be deleted from under us if a close window event is pending
-
     int w, h;
     GetSize(&w, &h);
     flags=0;
@@ -2877,12 +2858,9 @@ bool wxGenericTreeCtrl::GetBoundingRect(const wxTreeItemId& item,
 
     wxGenericTreeItem *i = (wxGenericTreeItem*) item.m_pItem;
 
-    int startX, startY;
-    GetViewStart(& startX, & startY);
-
     if ( textOnly )
     {
-        rect.x = i->GetX() - startX*PIXELS_PER_UNIT;
+        rect.x = i->GetX();
         rect.width = i->GetWidth();
 
         if ( m_imageListNormal )
@@ -2898,9 +2876,12 @@ bool wxGenericTreeCtrl::GetBoundingRect(const wxTreeItemId& item,
         rect.width = GetClientSize().x;
     }
 
-    rect.y = i->GetY() - startY*PIXELS_PER_UNIT;
+    rect.y = i->GetY();
     rect.height = GetLineHeight(i);
 
+    // we have to return the logical coordinates, not physical ones
+    rect.SetTopLeft(CalcScrolledPosition(rect.GetTopLeft()));
+
     return true;
 }
 
@@ -2911,9 +2892,7 @@ wxTextCtrl *wxGenericTreeCtrl::EditLabel(const wxTreeItemId& item,
 
     wxGenericTreeItem *itemEdit = (wxGenericTreeItem *)item.m_pItem;
 
-    wxTreeEvent te( wxEVT_COMMAND_TREE_BEGIN_LABEL_EDIT, GetId() );
-    te.m_item = itemEdit;
-    te.SetEventObject( this );
+    wxTreeEvent te(wxEVT_COMMAND_TREE_BEGIN_LABEL_EDIT, this, itemEdit);
     if ( GetEventHandler()->ProcessEvent( te ) && !te.IsAllowed() )
     {
         // vetoed by user
@@ -2957,9 +2936,7 @@ void wxGenericTreeCtrl::EndEditLabel(const wxTreeItemId& WXUNUSED(item),
 bool wxGenericTreeCtrl::OnRenameAccept(wxGenericTreeItem *item,
                                        const wxString& value)
 {
-    wxTreeEvent le( wxEVT_COMMAND_TREE_END_LABEL_EDIT, GetId() );
-    le.m_item = item;
-    le.SetEventObject( this );
+    wxTreeEvent le(wxEVT_COMMAND_TREE_END_LABEL_EDIT, this, item);
     le.m_label = value;
     le.m_editCancelled = false;
 
@@ -2969,9 +2946,7 @@ bool wxGenericTreeCtrl::OnRenameAccept(wxGenericTreeItem *item,
 void wxGenericTreeCtrl::OnRenameCancelled(wxGenericTreeItem *item)
 {
     // let owner know that the edit was cancelled
-    wxTreeEvent le( wxEVT_COMMAND_TREE_END_LABEL_EDIT, GetId() );
-    le.m_item = item;
-    le.SetEventObject( this );
+    wxTreeEvent le(wxEVT_COMMAND_TREE_END_LABEL_EDIT, this, item);
     le.m_label = wxEmptyString;
     le.m_editCancelled = true;
 
@@ -2985,7 +2960,7 @@ void wxGenericTreeCtrl::OnRenameTimer()
 
 void wxGenericTreeCtrl::OnMouse( wxMouseEvent &event )
 {
-    if ( !m_anchor ) return;
+    if ( !m_anchor )return;
 
     wxPoint pt = CalcUnscrolledPosition(event.GetPosition());
 
@@ -3032,9 +3007,7 @@ void wxGenericTreeCtrl::OnMouse( wxMouseEvent &event )
     if (underMouseChanged && hoverItem.IsOk() && !m_isDragging && (!m_renameTimer || !m_renameTimer->IsRunning()))
     {
         // Ask the tree control what tooltip (if any) should be shown
-        wxTreeEvent hevent(wxEVT_COMMAND_TREE_ITEM_GETTOOLTIP, GetId());
-        hevent.m_item = hoverItem;
-        hevent.SetEventObject(this);
+        wxTreeEvent hevent(wxEVT_COMMAND_TREE_ITEM_GETTOOLTIP,  this, hoverItem);
 
         if ( GetEventHandler()->ProcessEvent(hevent) && hevent.IsAllowed() )
         {
@@ -3079,9 +3052,7 @@ void wxGenericTreeCtrl::OnMouse( wxMouseEvent &event )
                               ? wxEVT_COMMAND_TREE_BEGIN_RDRAG
                               : wxEVT_COMMAND_TREE_BEGIN_DRAG;
 
-        wxTreeEvent nevent( command, GetId() );
-        nevent.m_item = m_current;
-        nevent.SetEventObject(this);
+        wxTreeEvent nevent(command,  this, m_current);
         nevent.SetPoint(CalcScrolledPosition(pt));
 
         // by default the dragging is not supported, the user code must
@@ -3133,6 +3104,8 @@ void wxGenericTreeCtrl::OnMouse( wxMouseEvent &event )
     }
     else if ( (event.LeftUp() || event.RightUp()) && m_isDragging )
     {
+        ReleaseMouse();
+
         // erase the highlighting
         DrawDropEffect(m_dropTarget);
 
@@ -3144,19 +3117,15 @@ void wxGenericTreeCtrl::OnMouse( wxMouseEvent &event )
         }
 
         // generate the drag end event
-        wxTreeEvent eventEndDrag(wxEVT_COMMAND_TREE_END_DRAG, GetId());
+        wxTreeEvent eventEndDrag(wxEVT_COMMAND_TREE_END_DRAG,  this, item);
 
-        eventEndDrag.m_item = item;
         eventEndDrag.m_pointDrag = CalcScrolledPosition(pt);
-        eventEndDrag.SetEventObject(this);
 
         (void)GetEventHandler()->ProcessEvent(eventEndDrag);
 
         m_isDragging = false;
         m_dropTarget = (wxGenericTreeItem *)NULL;
 
-        ReleaseMouse();
-
         SetCursor(m_oldCursor);
 
 #if defined( __WXMSW__ ) || defined(__WXMAC__)
@@ -3192,18 +3161,14 @@ void wxGenericTreeCtrl::OnMouse( wxMouseEvent &event )
                 DoSelectItem(item, true, false);
             }
 
-            wxTreeEvent nevent(wxEVT_COMMAND_TREE_ITEM_RIGHT_CLICK, GetId());
-            nevent.m_item = item;
+            wxTreeEvent nevent(wxEVT_COMMAND_TREE_ITEM_RIGHT_CLICK,  this, item);
             nevent.m_pointDrag = CalcScrolledPosition(pt);
-            nevent.SetEventObject(this);
             event.Skip(!GetEventHandler()->ProcessEvent(nevent));
 
             // Consistent with MSW (for now), send the ITEM_MENU *after*
             // the RIGHT_CLICK event. TODO: This behavior may change.
-            wxTreeEvent nevent2(wxEVT_COMMAND_TREE_ITEM_MENU, GetId());
-            nevent2.m_item = item;
+            wxTreeEvent nevent2(wxEVT_COMMAND_TREE_ITEM_MENU,  this, item);
             nevent2.m_pointDrag = CalcScrolledPosition(pt);
-            nevent2.SetEventObject(this);
             GetEventHandler()->ProcessEvent(nevent2);
         }
         else if ( event.LeftUp() )
@@ -3295,10 +3260,8 @@ void wxGenericTreeCtrl::OnMouse( wxMouseEvent &event )
                 m_lastOnSame = false;
 
                 // send activate event first
-                wxTreeEvent nevent( wxEVT_COMMAND_TREE_ITEM_ACTIVATED, GetId() );
-                nevent.m_item = item;
+                wxTreeEvent nevent(wxEVT_COMMAND_TREE_ITEM_ACTIVATED,  this, item);
                 nevent.m_pointDrag = CalcScrolledPosition(pt);
-                nevent.SetEventObject( this );
                 if ( !GetEventHandler()->ProcessEvent( nevent ) )
                 {
                     // if the user code didn't process the activate event,
@@ -3507,7 +3470,7 @@ void wxGenericTreeCtrl::Thaw()
 {
     wxCHECK_RET( m_freezeCount > 0, _T("thawing unfrozen tree control?") );
 
-    if ( !--m_freezeCount )
+    if ( --m_freezeCount == 0 )
     {
         Refresh();
     }
@@ -3553,10 +3516,6 @@ void wxGenericTreeCtrl::OnGetToolTip( wxTreeEvent &event )
 // be removed, as well as the #else case below.
 #define _USE_VISATTR 0
 
-#if _USE_VISATTR
-#include "wx/listbox.h"
-#endif
-
 //static
 wxVisualAttributes
 #if _USE_VISATTR