#pragma implementation "treectrl.h"
#endif
-#include "wx/treectrl.h"
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+#pragma hdrstop
+#endif
+
+#include "wx/generic/treectrl.h"
+#include "wx/generic/imaglist.h"
#include "wx/settings.h"
#include "wx/log.h"
#include "wx/intl.h"
#include "wx/dynarray.h"
+#include "wx/arrimpl.cpp"
#include "wx/dcclient.h"
-#include "wx/imaglist.h"
+#include "wx/msgdlg.h"
// -----------------------------------------------------------------------------
// array types
// -----------------------------------------------------------------------------
-WX_DEFINE_ARRAY(wxGenericTreeItem *, wxArrayTreeItems);
+class WXDLLEXPORT wxGenericTreeItem;
+
+WX_DEFINE_ARRAY(wxGenericTreeItem *, wxArrayGenericTreeItems);
+WX_DEFINE_OBJARRAY(wxArrayTreeItemIds);
// -----------------------------------------------------------------------------
// private classes
~wxGenericTreeItem();
// trivial accessors
- wxArrayTreeItems& GetChildren() { return m_children; }
+ wxArrayGenericTreeItems& GetChildren() { return m_children; }
const wxString& GetText() const { return m_text; }
int GetImage() const { return m_image; }
int GetSelectedImage() const { return m_selImage; }
wxTreeItemData *GetData() const { return m_data; }
- void SetText( const wxString &text, wxDC& dc );
+ void SetText( const wxString &text );
void SetImage(int image) { m_image = image; }
void SetSelectedImage(int image) { m_selImage = image; }
void SetData(wxTreeItemData *data) { m_data = data; }
void SetHasPlus(bool has = TRUE) { m_hasPlus = has; }
+ void SetBold(bool bold) { m_isBold = bold; }
+
int GetX() const { return m_x; }
int GetY() const { return m_y; }
- void SetHeight(int h) { m_height = h; }
-
void SetX(int x) { m_x = x; }
void SetY(int y) { m_y = y; }
+ int GetHeight() const { return m_height; }
+ int GetWidth() const { return m_width; }
+
+ void SetHeight(int h) { m_height = h; }
+ void SetWidth(int w) { m_width = w; }
+
+
wxGenericTreeItem *GetParent() const { return m_parent; }
// operations
+ // deletes all children notifying the treectrl about it if !NULL pointer
+ // given
+ void DeleteChildren(wxTreeCtrl *tree = NULL);
+ // FIXME don't know what is it for
void Reset();
// get count of all children (and grand children if 'recursively')
{ m_children.Insert(child, index); }
void SetCross( int x, int y );
- void GetSize( int &x, int &y );
+ void GetSize( int &x, int &y, const wxTreeCtrl* );
// return the item at given position (or NULL if no item), onButton is TRUE
// if the point belongs to the item's button, otherwise it lies on the
// button's label
- wxGenericTreeItem *HitTest( const wxPoint& point, bool &onButton );
+ wxGenericTreeItem *HitTest( const wxPoint& point, const wxTreeCtrl *, int &flags);
void Expand() { m_isCollapsed = FALSE; }
void Collapse() { m_isCollapsed = TRUE; }
bool HasHilight() const { return m_hasHilight; }
bool IsExpanded() const { return !m_isCollapsed; }
bool HasPlus() const { return m_hasPlus || HasChildren(); }
+ bool IsBold() const { return m_isBold; }
private:
wxString m_text;
wxTreeItemData *m_data;
- // @@ probably should use bitfields to save size
- bool m_isCollapsed,
- m_hasHilight, // same as focused
- m_hasPlus; // used for item which doesn't have
- // children but still has a [+] button
+ // use bitfields to save size
+ int m_isCollapsed :1;
+ int m_hasHilight :1; // same as focused
+ int m_hasPlus :1; // used for item which doesn't have
+ // children but still has a [+] button
+ int m_isBold :1; // render the label in bold font
int m_x, m_y;
long m_height, m_width;
int m_xCross, m_yCross;
int m_level;
- wxArrayTreeItems m_children;
+ wxArrayGenericTreeItems m_children;
wxGenericTreeItem *m_parent;
};
// implementation
// =============================================================================
+#define PIXELS_PER_UNIT 10
// -----------------------------------------------------------------------------
// wxTreeEvent
// -----------------------------------------------------------------------------
-IMPLEMENT_DYNAMIC_CLASS(wxTreeEvent, wxCommandEvent)
+IMPLEMENT_DYNAMIC_CLASS(wxTreeEvent, wxNotifyEvent)
wxTreeEvent::wxTreeEvent( wxEventType commandType, int id )
- : wxCommandEvent( commandType, id )
+ : wxNotifyEvent( commandType, id )
{
m_code = 0;
m_itemOld = (wxGenericTreeItem *)NULL;
m_isCollapsed = TRUE;
m_hasHilight = FALSE;
m_hasPlus = FALSE;
+ m_isBold = FALSE;
m_parent = parent;
dc.GetTextExtent( m_text, &m_width, &m_height );
+ // TODO : Add the width of the image
+ // PB : We don't know which image is shown (image, selImage)
+ // We don't even know imageList from the treectrl this item belongs to !!!
+ // At this point m_width doesn't mean much, this can be remove !
}
wxGenericTreeItem::~wxGenericTreeItem()
{
delete m_data;
+ wxASSERT_MSG( m_children.IsEmpty(),
+ _T("please call DeleteChildren() before deleting the item") );
+}
+
+void wxGenericTreeItem::DeleteChildren(wxTreeCtrl *tree)
+{
size_t count = m_children.Count();
for ( size_t n = 0; n < count; n++ )
- delete m_children[n];
+ {
+ wxGenericTreeItem *child = m_children[n];
+ if ( tree )
+ {
+ tree->SendDeleteEvent(child);
+ }
+
+ child->DeleteChildren(tree);
+ delete child;
+ }
+
+ m_children.Empty();
}
-void wxGenericTreeItem::SetText( const wxString &text, wxDC& dc )
+void wxGenericTreeItem::SetText( const wxString &text )
{
m_text = text;
-
- dc.GetTextExtent( m_text, &m_width, &m_height );
}
void wxGenericTreeItem::Reset()
m_level = 0;
- m_children.Empty();
+ DeleteChildren();
m_isCollapsed = TRUE;
m_parent = (wxGenericTreeItem *)NULL;
return count;
size_t total = count;
- for ( size_t n = 0; n < count; n++ )
+ for ( size_t n = 0; n < count; ++n )
{
total += m_children[n]->GetChildrenCount();
}
m_yCross = y;
}
-void wxGenericTreeItem::GetSize( int &x, int &y )
+void wxGenericTreeItem::GetSize( int &x, int &y, const wxTreeCtrl *theTree )
{
- if ( y < m_y ) y = m_y;
+ int bottomY=m_y+theTree->GetLineHeight(this);
+ if ( y < bottomY ) y = bottomY;
int width = m_x + m_width;
- if (width > x) x = width;
+ if ( x < width ) x = width;
if (IsExpanded())
{
size_t count = m_children.Count();
- for ( size_t n = 0; n < count; n++ )
+ for ( size_t n = 0; n < count; ++n )
{
- m_children[n]->GetSize( x, y );
+ m_children[n]->GetSize( x, y, theTree );
}
}
}
wxGenericTreeItem *wxGenericTreeItem::HitTest( const wxPoint& point,
- bool &onButton )
+ const wxTreeCtrl *theTree,
+ int &flags)
{
- if ((point.y > m_y) && (point.y < m_y + m_height))
+ if ((point.y > m_y) && (point.y < m_y + theTree->GetLineHeight(this)))
{
+ if (point.y<m_y+theTree->GetLineHeight(this)/2) flags|=wxTREE_HITTEST_ONITEMUPPERPART;
+ else flags|=wxTREE_HITTEST_ONITEMLOWERPART;
+
// FIXME why +5?
+ // Because that is the size of the plus sign, RR
if ((point.x > m_xCross-5) && (point.x < m_xCross+5) &&
(point.y > m_yCross-5) && (point.y < m_yCross+5) &&
(IsExpanded() || HasPlus()))
{
- onButton = TRUE;
+ flags|=wxTREE_HITTEST_ONITEMBUTTON;
return this;
}
- if ((point.x > m_x) && (point.x < m_x+m_width))
+ if ((point.x >= m_x) && (point.x <= m_x+m_width))
{
- onButton = FALSE;
+ int image_w = -1;
+ int image_h;
+
+ // assuming every image (normal and selected ) has the same size !
+ if (theTree->m_imageListNormal)
+ theTree->m_imageListNormal->GetSize(m_image, image_w, image_h);
+ if ((image_w != -1) && (point.x <= m_x + image_w + 1))
+ flags|=wxTREE_HITTEST_ONITEMICON;
+ else
+ flags|=wxTREE_HITTEST_ONITEMLABEL;
+
return this;
}
+
+ if (point.x < m_x) flags|=wxTREE_HITTEST_ONITEMIDENT;
+ if (point.x > m_x+m_width) flags|=wxTREE_HITTEST_ONITEMRIGHT;
+
+ return this;
}
else
{
size_t count = m_children.Count();
for ( size_t n = 0; n < count; n++ )
{
- wxGenericTreeItem *res = m_children[n]->HitTest( point, onButton );
+ wxGenericTreeItem *res = m_children[n]->HitTest( point, theTree, flags );
if ( res != NULL )
return res;
}
}
}
+ flags|=wxTREE_HITTEST_NOWHERE;
return NULL;
}
// -----------------------------------------------------------------------------
// construction/destruction
// -----------------------------------------------------------------------------
+
void wxTreeCtrl::Init()
{
m_current =
+ m_key_current =
m_anchor = (wxGenericTreeItem *) NULL;
m_hasFocus = FALSE;
m_dirty = FALSE;
m_yScroll = 0;
m_lineHeight = 10;
m_indent = 15;
+ m_spacing = 18;
m_hilightBrush = new wxBrush
(
m_imageListNormal =
m_imageListState = (wxImageList *) NULL;
+
+ m_dragCount = 0;
}
bool wxTreeCtrl::Create(wxWindow *parent, wxWindowID id,
const wxPoint& pos, const wxSize& size,
- long style, const wxString& name )
+ long style,
+ const wxValidator &validator,
+ const wxString& name )
{
Init();
wxScrolledWindow::Create( parent, id, pos, size, style|wxHSCROLL|wxVSCROLL, name );
+#if wxUSE_VALIDATORS
+ SetValidator( validator );
+#endif
+
SetBackgroundColour( *wxWHITE );
m_dottedPen = wxPen( *wxBLACK, 0, 0 );
wxTreeCtrl::~wxTreeCtrl()
{
wxDELETE( m_hilightBrush );
- wxDELETE( m_anchor );
+
+ DeleteAllItems();
}
// -----------------------------------------------------------------------------
void wxTreeCtrl::SetIndent(unsigned int indent)
{
m_indent = indent;
+ m_dirty = TRUE;
+ Refresh();
+}
+
+void wxTreeCtrl::SetSpacing(unsigned int spacing)
+{
+ m_spacing = spacing;
+ m_dirty = TRUE;
Refresh();
}
size_t wxTreeCtrl::GetChildrenCount(const wxTreeItemId& item, bool recursively)
{
- wxCHECK_MSG( item.IsOk(), 0u, "invalid tree item" );
+ wxCHECK_MSG( item.IsOk(), 0u, _T("invalid tree item") );
return item.m_pItem->GetChildrenCount(recursively);
}
wxString wxTreeCtrl::GetItemText(const wxTreeItemId& item) const
{
- wxCHECK_MSG( item.IsOk(), "", "invalid tree item" );
+ wxCHECK_MSG( item.IsOk(), _T(""), _T("invalid tree item") );
return item.m_pItem->GetText();
}
int wxTreeCtrl::GetItemImage(const wxTreeItemId& item) const
{
- wxCHECK_MSG( item.IsOk(), -1, "invalid tree item" );
+ wxCHECK_MSG( item.IsOk(), -1, _T("invalid tree item") );
return item.m_pItem->GetImage();
}
int wxTreeCtrl::GetItemSelectedImage(const wxTreeItemId& item) const
{
- wxCHECK_MSG( item.IsOk(), -1, "invalid tree item" );
+ wxCHECK_MSG( item.IsOk(), -1, _T("invalid tree item") );
return item.m_pItem->GetSelectedImage();
}
wxTreeItemData *wxTreeCtrl::GetItemData(const wxTreeItemId& item) const
{
- wxCHECK_MSG( item.IsOk(), NULL, "invalid tree item" );
+ wxCHECK_MSG( item.IsOk(), NULL, _T("invalid tree item") );
return item.m_pItem->GetData();
}
void wxTreeCtrl::SetItemText(const wxTreeItemId& item, const wxString& text)
{
- wxCHECK_RET( item.IsOk(), "invalid tree item" );
+ wxCHECK_RET( item.IsOk(), _T("invalid tree item") );
wxClientDC dc(this);
- item.m_pItem->SetText(text, dc);
+ wxGenericTreeItem *pItem = item.m_pItem;
+ pItem->SetText(text);
+ CalculateSize(pItem, dc);
+ RefreshLine(pItem);
}
void wxTreeCtrl::SetItemImage(const wxTreeItemId& item, int image)
{
- wxCHECK_RET( item.IsOk(), "invalid tree item" );
+ wxCHECK_RET( item.IsOk(), _T("invalid tree item") );
- item.m_pItem->SetImage(image);
+ wxClientDC dc(this);
+ wxGenericTreeItem *pItem = item.m_pItem;
+ pItem->SetImage(image);
+ CalculateSize(pItem, dc);
+ RefreshLine(pItem);
}
void wxTreeCtrl::SetItemSelectedImage(const wxTreeItemId& item, int image)
{
- wxCHECK_RET( item.IsOk(), "invalid tree item" );
+ wxCHECK_RET( item.IsOk(), _T("invalid tree item") );
- item.m_pItem->SetSelectedImage(image);
+ wxClientDC dc(this);
+ wxGenericTreeItem *pItem = item.m_pItem;
+ pItem->SetSelectedImage(image);
+ CalculateSize(pItem, dc);
+ RefreshLine(pItem);
}
void wxTreeCtrl::SetItemData(const wxTreeItemId& item, wxTreeItemData *data)
{
- wxCHECK_RET( item.IsOk(), "invalid tree item" );
+ wxCHECK_RET( item.IsOk(), _T("invalid tree item") );
item.m_pItem->SetData(data);
}
void wxTreeCtrl::SetItemHasChildren(const wxTreeItemId& item, bool has)
{
- wxCHECK_RET( item.IsOk(), "invalid tree item" );
+ wxCHECK_RET( item.IsOk(), _T("invalid tree item") );
+
+ wxGenericTreeItem *pItem = item.m_pItem;
+ pItem->SetHasPlus(has);
+ RefreshLine(pItem);
+}
+
+void wxTreeCtrl::SetItemBold(const wxTreeItemId& item, bool bold)
+{
+ wxCHECK_RET( item.IsOk(), _T("invalid tree item") );
- item.m_pItem->SetHasPlus(has);
+ // avoid redrawing the tree if no real change
+ wxGenericTreeItem *pItem = item.m_pItem;
+ if ( pItem->IsBold() != bold )
+ {
+ pItem->SetBold(bold);
+ RefreshLine(pItem);
+ }
}
// -----------------------------------------------------------------------------
bool wxTreeCtrl::IsVisible(const wxTreeItemId& WXUNUSED(item)) const
{
- wxFAIL_MSG("not implemented");
+ wxFAIL_MSG(_T("not implemented"));
return TRUE;
}
bool wxTreeCtrl::ItemHasChildren(const wxTreeItemId& item) const
{
- wxCHECK_MSG( item.IsOk(), FALSE, "invalid tree item" );
+ wxCHECK_MSG( item.IsOk(), FALSE, _T("invalid tree item") );
return !item.m_pItem->GetChildren().IsEmpty();
}
bool wxTreeCtrl::IsExpanded(const wxTreeItemId& item) const
{
- wxCHECK_MSG( item.IsOk(), FALSE, "invalid tree item" );
+ wxCHECK_MSG( item.IsOk(), FALSE, _T("invalid tree item") );
return item.m_pItem->IsExpanded();
}
bool wxTreeCtrl::IsSelected(const wxTreeItemId& item) const
{
- wxCHECK_MSG( item.IsOk(), FALSE, "invalid tree item" );
+ wxCHECK_MSG( item.IsOk(), FALSE, _T("invalid tree item") );
return item.m_pItem->HasHilight();
}
+bool wxTreeCtrl::IsBold(const wxTreeItemId& item) const
+{
+ wxCHECK_MSG( item.IsOk(), FALSE, _T("invalid tree item") );
+
+ return item.m_pItem->IsBold();
+}
+
// -----------------------------------------------------------------------------
// navigation
// -----------------------------------------------------------------------------
wxTreeItemId wxTreeCtrl::GetParent(const wxTreeItemId& item) const
{
- wxCHECK_MSG( item.IsOk(), NULL, "invalid tree item" );
+ wxCHECK_MSG( item.IsOk(), wxTreeItemId(), _T("invalid tree item") );
return item.m_pItem->GetParent();
}
wxTreeItemId wxTreeCtrl::GetFirstChild(const wxTreeItemId& item, long& cookie) const
{
- wxCHECK_MSG( item.IsOk(), NULL, "invalid tree item" );
+ wxCHECK_MSG( item.IsOk(), wxTreeItemId(), _T("invalid tree item") );
cookie = 0;
return GetNextChild(item, cookie);
wxTreeItemId wxTreeCtrl::GetNextChild(const wxTreeItemId& item, long& cookie) const
{
- wxCHECK_MSG( item.IsOk(), NULL, "invalid tree item" );
+ wxCHECK_MSG( item.IsOk(), wxTreeItemId(), _T("invalid tree item") );
- wxArrayTreeItems& children = item.m_pItem->GetChildren();
+ wxArrayGenericTreeItems& children = item.m_pItem->GetChildren();
if ( (size_t)cookie < children.Count() )
{
- return item.m_pItem->GetChildren().Item(cookie++);
+ return children.Item(cookie++);
}
else
{
// there are no more of them
- return NULL;
+ return wxTreeItemId();
}
}
+wxTreeItemId wxTreeCtrl::GetLastChild(const wxTreeItemId& item) const
+{
+ wxCHECK_MSG( item.IsOk(), wxTreeItemId(), _T("invalid tree item") );
+
+ wxArrayGenericTreeItems& children = item.m_pItem->GetChildren();
+ return (children.IsEmpty() ? wxTreeItemId() : wxTreeItemId(children.Last()));
+}
+
wxTreeItemId wxTreeCtrl::GetNextSibling(const wxTreeItemId& item) const
{
- wxCHECK_MSG( item.IsOk(), NULL, "invalid tree item" );
+ wxCHECK_MSG( item.IsOk(), wxTreeItemId(), _T("invalid tree item") );
wxGenericTreeItem *i = item.m_pItem;
wxGenericTreeItem *parent = i->GetParent();
if ( parent == NULL )
{
// root item doesn't have any siblings
- return NULL;
+ return wxTreeItemId();
}
- wxArrayTreeItems& siblings = parent->GetChildren();
+ wxArrayGenericTreeItems& siblings = parent->GetChildren();
int index = siblings.Index(i);
- wxASSERT( index != NOT_FOUND ); // I'm not a child of my parent?
+ wxASSERT( index != wxNOT_FOUND ); // I'm not a child of my parent?
size_t n = (size_t)(index + 1);
- return n == siblings.Count() ? (wxGenericTreeItem*)NULL : siblings[n];
+ return n == siblings.Count() ? wxTreeItemId() : wxTreeItemId(siblings[n]);
}
wxTreeItemId wxTreeCtrl::GetPrevSibling(const wxTreeItemId& item) const
{
- wxCHECK_MSG( item.IsOk(), NULL, "invalid tree item" );
+ wxCHECK_MSG( item.IsOk(), wxTreeItemId(), _T("invalid tree item") );
wxGenericTreeItem *i = item.m_pItem;
wxGenericTreeItem *parent = i->GetParent();
if ( parent == NULL )
{
// root item doesn't have any siblings
- return NULL;
+ return wxTreeItemId();
}
- wxArrayTreeItems& siblings = parent->GetChildren();
+ wxArrayGenericTreeItems& siblings = parent->GetChildren();
int index = siblings.Index(i);
- wxASSERT( index != NOT_FOUND ); // I'm not a child of my parent?
+ wxASSERT( index != wxNOT_FOUND ); // I'm not a child of my parent?
- return index == 0 ? (wxGenericTreeItem*)NULL : siblings[(size_t)(index - 1)];
+ return index == 0 ? wxTreeItemId()
+ : wxTreeItemId(siblings[(size_t)(index - 1)]);
}
wxTreeItemId wxTreeCtrl::GetFirstVisibleItem() const
{
- wxFAIL_MSG("not implemented");
+ wxFAIL_MSG(_T("not implemented"));
- return NULL;
+ return wxTreeItemId();
}
wxTreeItemId wxTreeCtrl::GetNextVisible(const wxTreeItemId& item) const
{
- wxCHECK_MSG( item.IsOk(), NULL, "invalid tree item" );
+ wxCHECK_MSG( item.IsOk(), wxTreeItemId(), _T("invalid tree item") );
- wxFAIL_MSG("not implemented");
+ wxFAIL_MSG(_T("not implemented"));
- return NULL;
+ return wxTreeItemId();
}
wxTreeItemId wxTreeCtrl::GetPrevVisible(const wxTreeItemId& item) const
{
- wxCHECK_MSG( item.IsOk(), NULL, "invalid tree item" );
+ wxCHECK_MSG( item.IsOk(), wxTreeItemId(), _T("invalid tree item") );
- wxFAIL_MSG("not implemented");
+ wxFAIL_MSG(_T("not implemented"));
- return NULL;
+ return wxTreeItemId();
}
// -----------------------------------------------------------------------------
}
parent->Insert( item, previous );
-
+
m_dirty = TRUE;
return item;
int image, int selImage,
wxTreeItemData *data)
{
- wxCHECK_MSG( !m_anchor, NULL, "tree can have only one root" );
+ wxCHECK_MSG( !m_anchor, wxTreeItemId(), _T("tree can have only one root") );
wxClientDC dc(this);
m_anchor = new wxGenericTreeItem((wxGenericTreeItem *)NULL, text, dc,
data->m_pItem = m_anchor;
}
- AdjustMyScrollbars();
Refresh();
+ AdjustMyScrollbars();
return m_anchor;
}
}
int index = parent->GetChildren().Index(idPrevious.m_pItem);
- wxASSERT_MSG( index != NOT_FOUND,
- "previous item in wxTreeCtrl::InsertItem() is not a sibling" );
- return DoInsertItem(parentId, (size_t)index, text, image, selImage, data);
+ wxASSERT_MSG( index != wxNOT_FOUND,
+ _T("previous item in wxTreeCtrl::InsertItem() is not a sibling") );
+ return DoInsertItem(parentId, (size_t)++index, text, image, selImage, data);
}
wxTreeItemId wxTreeCtrl::AppendItem(const wxTreeItemId& parentId,
image, selImage, data);
}
+void wxTreeCtrl::SendDeleteEvent(wxGenericTreeItem *item)
+{
+ wxTreeEvent event( wxEVT_COMMAND_TREE_DELETE_ITEM, GetId() );
+ event.m_item = item;
+ event.SetEventObject( this );
+ ProcessEvent( event );
+}
+
+void wxTreeCtrl::DeleteChildren(const wxTreeItemId& itemId)
+{
+ wxGenericTreeItem *item = itemId.m_pItem;
+ item->DeleteChildren(this);
+
+ m_dirty = TRUE;
+}
+
void wxTreeCtrl::Delete(const wxTreeItemId& itemId)
{
wxGenericTreeItem *item = itemId.m_pItem;
parent->GetChildren().Remove(item);
}
+ item->DeleteChildren(this);
+ SendDeleteEvent(item);
delete item;
- Refresh();
+ m_dirty = TRUE;
}
void wxTreeCtrl::DeleteAllItems()
{
if ( m_anchor )
{
+ m_anchor->DeleteChildren(this);
delete m_anchor;
+
m_anchor = NULL;
- Refresh();
+ m_dirty = TRUE;
}
}
{
wxGenericTreeItem *item = itemId.m_pItem;
+ if ( !item->HasPlus() )
+ return;
+
if ( item->IsExpanded() )
return;
}
item->Expand();
+ CalculatePositions();
RefreshSubtree(item);
item->Collapse();
- wxArrayTreeItems& children = item->GetChildren();
+ wxArrayGenericTreeItems& children = item->GetChildren();
size_t count = children.Count();
for ( size_t n = 0; n < count; n++ )
{
void wxTreeCtrl::CollapseAndReset(const wxTreeItemId& item)
{
Collapse(item);
- Delete(item);
+ DeleteChildren(item);
}
void wxTreeCtrl::Toggle(const wxTreeItemId& itemId)
}
}
-void wxTreeCtrl::SelectItem(const wxTreeItemId& itemId)
+void wxTreeCtrl::UnselectAllChildren(wxGenericTreeItem *item)
{
- wxGenericTreeItem *item = itemId.m_pItem;
+ item->SetHilight(FALSE);
+ RefreshLine(item);
+
+ if (item->HasChildren())
+ {
+ wxArrayGenericTreeItems& children = item->GetChildren();
+ size_t count = children.Count();
+ for ( size_t n = 0; n < count; ++n )
+ UnselectAllChildren(children[n]);
+ }
+}
+
+void wxTreeCtrl::UnselectAll()
+{
+ UnselectAllChildren(GetRootItem().m_pItem);
+}
+
+// Recursive function !
+// To stop we must have crt_item<last_item
+// Algorithm :
+// Tag all next children, when no more children,
+// Move to parent (not to tag)
+// Keep going... if we found last_item, we stop.
+bool wxTreeCtrl::TagNextChildren(wxGenericTreeItem *crt_item, wxGenericTreeItem *last_item, bool select)
+{
+ wxGenericTreeItem *parent = crt_item->GetParent();
+
+ if ( parent == NULL ) // This is root item
+ return TagAllChildrenUntilLast(crt_item, last_item, select);
+
+ wxArrayGenericTreeItems& children = parent->GetChildren();
+ int index = children.Index(crt_item);
+ wxASSERT( index != wxNOT_FOUND ); // I'm not a child of my parent?
+
+ size_t count = children.Count();
+ for (size_t n=(size_t)(index+1); n<count; ++n)
+ if (TagAllChildrenUntilLast(children[n], last_item, select)) return TRUE;
+
+ return TagNextChildren(parent, last_item, select);
+}
+
+bool wxTreeCtrl::TagAllChildrenUntilLast(wxGenericTreeItem *crt_item, wxGenericTreeItem *last_item, bool select)
+{
+ crt_item->SetHilight(select);
+ RefreshLine(crt_item);
+
+ if (crt_item==last_item) return TRUE;
+
+ if (crt_item->HasChildren())
+ {
+ wxArrayGenericTreeItems& children = crt_item->GetChildren();
+ size_t count = children.Count();
+ for ( size_t n = 0; n < count; ++n )
+ if (TagAllChildrenUntilLast(children[n], last_item, select)) return TRUE;
+ }
+
+ return FALSE;
+}
+
+void wxTreeCtrl::SelectItemRange(wxGenericTreeItem *item1, wxGenericTreeItem *item2)
+{
+ // item2 is not necessary after item1
+ wxGenericTreeItem *first=NULL, *last=NULL;
+
+ // choice first' and 'last' between item1 and item2
+ if (item1->GetY()<item2->GetY())
+ {
+ first=item1;
+ last=item2;
+ }
+ else
+ {
+ first=item2;
+ last=item1;
+ }
+
+ bool select=m_current->HasHilight();
+
+ if (TagAllChildrenUntilLast(first,last,select)) return;
+
+ TagNextChildren(first,last,select);
+}
+
+void wxTreeCtrl::SelectItem(const wxTreeItemId& itemId,
+ bool unselect_others,
+ bool extended_select)
+{
+ bool is_single=!(GetWindowStyleFlag() & wxTR_MULTIPLE);
+
+ //wxCHECK_RET( ( (!unselect_others) && is_single),
+ // _T("this is a single selection tree") );
+
+ // to keep going anyhow !!!
+ if (is_single)
+ {
+ unselect_others=TRUE;
+ extended_select=FALSE;
+ }
+
+ wxGenericTreeItem *item = itemId.m_pItem;
- if ( m_current != item )
- {
wxTreeEvent event( wxEVT_COMMAND_TREE_SEL_CHANGING, GetId() );
event.m_item = item;
event.m_itemOld = m_current;
event.SetEventObject( this );
- if ( ProcessEvent( event ) && event.WasVetoed() )
+ // TODO : Here we don't send any selection mode yet !
+
+ if ( GetEventHandler()->ProcessEvent( event ) && event.WasVetoed() )
return;
- if ( m_current )
+ // ctrl press
+ if (unselect_others)
{
- m_current->SetHilight( FALSE );
- RefreshLine( m_current );
+ if (is_single) Unselect(); // to speed up thing
+ else UnselectAll();
}
- m_current = item;
- m_current->SetHilight( TRUE );
- RefreshLine( m_current );
+ // shift press
+ if (extended_select)
+ {
+ if (m_current == NULL) m_current=m_key_current=GetRootItem().m_pItem;
+ // don't change the mark (m_current)
+ SelectItemRange(m_current, item);
+ }
+ else
+ {
+ bool select=TRUE; // the default
+
+ // Check if we need to toggle hilight (ctrl mode)
+ if (!unselect_others)
+ select=!item->HasHilight();
+
+ m_current = m_key_current = item;
+ m_current->SetHilight(select);
+ RefreshLine( m_current );
+ }
event.SetEventType(wxEVT_COMMAND_TREE_SEL_CHANGED);
- ProcessEvent( event );
- }
+ GetEventHandler()->ProcessEvent( event );
+}
+
+void wxTreeCtrl::FillArray(wxGenericTreeItem *item, wxArrayTreeItemIds &array) const
+{
+ if (item->HasHilight()) array.Add(wxTreeItemId(item));
+
+ if (item->HasChildren())
+ {
+ wxArrayGenericTreeItems& children = item->GetChildren();
+ size_t count = children.Count();
+ for ( size_t n = 0; n < count; ++n )
+ FillArray(children[n],array);
+ }
+}
+
+size_t wxTreeCtrl::GetSelections(wxArrayTreeItemIds &array) const
+{
+ array.Empty();
+ FillArray(GetRootItem().m_pItem, array);
+
+ return array.Count();
}
-void wxTreeCtrl::EnsureVisible(const wxTreeItemId& WXUNUSED(item))
+void wxTreeCtrl::EnsureVisible(const wxTreeItemId& item)
{
- wxFAIL_MSG("not implemented");
+ if (!item.IsOk()) return;
+
+ wxGenericTreeItem *gitem = item.m_pItem;
+
+ // first expand all parent branches
+ wxGenericTreeItem *parent = gitem->GetParent();
+ while ( parent && !parent->IsExpanded() )
+ {
+ Expand(parent);
+
+ parent = parent->GetParent();
+ }
+
+ if (parent) CalculatePositions();
+
+ ScrollTo(item);
}
-void wxTreeCtrl::ScrollTo(const wxTreeItemId& WXUNUSED(item))
+void wxTreeCtrl::ScrollTo(const wxTreeItemId &item)
{
- wxFAIL_MSG("not implemented");
+ if (!item.IsOk()) return;
+
+ wxGenericTreeItem *gitem = item.m_pItem;
+
+ // now scroll to the item
+ int item_y = gitem->GetY();
+
+ int start_x = 0;
+ int start_y = 0;
+ ViewStart( &start_x, &start_y );
+ start_y *= PIXELS_PER_UNIT;
+
+ int client_h = 0;
+ int client_w = 0;
+ GetClientSize( &client_w, &client_h );
+
+ if (item_y < start_y+3)
+ {
+ // going down
+ int x = 0;
+ int y = 0;
+ m_anchor->GetSize( x, y, this );
+ y += PIXELS_PER_UNIT+2; // one more scrollbar unit + 2 pixels
+ int x_pos = GetScrollPos( wxHORIZONTAL );
+ // Item should appear at top
+ SetScrollbars( PIXELS_PER_UNIT, PIXELS_PER_UNIT, x/PIXELS_PER_UNIT, y/PIXELS_PER_UNIT, x_pos, item_y/PIXELS_PER_UNIT );
+ }
+ else if (item_y+GetLineHeight(gitem) > start_y+client_h)
+ {
+ // going up
+ int x = 0;
+ int y = 0;
+ m_anchor->GetSize( x, y, this );
+ y += PIXELS_PER_UNIT+2; // one more scrollbar unit + 2 pixels
+ item_y += PIXELS_PER_UNIT+2;
+ int x_pos = GetScrollPos( wxHORIZONTAL );
+ // Item should appear at bottom
+ SetScrollbars( PIXELS_PER_UNIT, PIXELS_PER_UNIT, x/PIXELS_PER_UNIT, y/PIXELS_PER_UNIT, x_pos, (item_y+GetLineHeight(gitem)-client_h)/PIXELS_PER_UNIT );
+ }
}
wxTextCtrl *wxTreeCtrl::EditLabel( const wxTreeItemId& WXUNUSED(item),
wxClassInfo* WXUNUSED(textCtrlClass) )
{
- wxFAIL_MSG("not implemented");
+ wxFAIL_MSG(_T("not implemented"));
- return NULL;
+ return (wxTextCtrl*)NULL;
}
wxTextCtrl *wxTreeCtrl::GetEditControl() const
{
- wxFAIL_MSG("not implemented");
+ wxFAIL_MSG(_T("not implemented"));
- return NULL;
+ return (wxTextCtrl*)NULL;
}
void wxTreeCtrl::EndEditLabel(const wxTreeItemId& WXUNUSED(item), bool WXUNUSED(discardChanges))
{
- wxFAIL_MSG("not implemented");
+ wxFAIL_MSG(_T("not implemented"));
}
-void wxTreeCtrl::SortChildren( const wxTreeItemId& WXUNUSED(item),
- wxTreeItemCmpFunc *WXUNUSED(cmpFunction))
+// FIXME: tree sorting functions are not reentrant and not MT-safe!
+static wxTreeCtrl *s_treeBeingSorted = NULL;
+
+static int tree_ctrl_compare_func(wxGenericTreeItem **item1,
+ wxGenericTreeItem **item2)
+{
+ wxCHECK_MSG( s_treeBeingSorted, 0, _T("bug in wxTreeCtrl::SortChildren()") );
+
+ return s_treeBeingSorted->OnCompareItems(*item1, *item2);
+}
+
+int wxTreeCtrl::OnCompareItems(const wxTreeItemId& item1,
+ const wxTreeItemId& item2)
{
- wxFAIL_MSG("not implemented");
+ return wxStrcmp(GetItemText(item1), GetItemText(item2));
+}
+
+void wxTreeCtrl::SortChildren(const wxTreeItemId& itemId)
+{
+ wxCHECK_RET( itemId.IsOk(), _T("invalid tree item") );
+
+ wxGenericTreeItem *item = itemId.m_pItem;
+
+ wxCHECK_RET( !s_treeBeingSorted,
+ _T("wxTreeCtrl::SortChildren is not reentrant") );
+
+ wxArrayGenericTreeItems& children = item->GetChildren();
+ if ( children.Count() > 1 )
+ {
+ s_treeBeingSorted = this;
+ children.Sort(tree_ctrl_compare_func);
+ s_treeBeingSorted = NULL;
+
+ m_dirty = TRUE;
+ }
+ //else: don't make the tree dirty as nothing changed
}
wxImageList *wxTreeCtrl::GetImageList() const
void wxTreeCtrl::SetImageList(wxImageList *imageList)
{
- m_imageListNormal = imageList;
+ m_imageListNormal = imageList;
+
+ // Calculate a m_lineHeight value from the image sizes.
+ // May be toggle off. Then wxTreeCtrl will spread when
+ // necessary (which might look ugly).
+#if 1
+ wxPaintDC dc(this);
+ m_lineHeight = (int)(dc.GetCharHeight() + 4);
+ int
+ width = 0,
+ height = 0,
+ n = m_imageListNormal->GetImageCount();
+ for(int i = 0; i < n ; i++)
+ {
+ m_imageListNormal->GetSize(i, width, height);
+ if(height > m_lineHeight) m_lineHeight = height;
+ }
+
+ if (m_lineHeight<40) m_lineHeight+=4; // at least 4 pixels (odd such that a line can be drawn in between)
+ else m_lineHeight+=m_lineHeight/10; // otherwise 10% extra spacing
+
+#endif
}
void wxTreeCtrl::SetStateImageList(wxImageList *imageList)
// -----------------------------------------------------------------------------
// helpers
// -----------------------------------------------------------------------------
+
void wxTreeCtrl::AdjustMyScrollbars()
{
- if (m_anchor)
- {
- int x = 0;
- int y = 0;
- m_anchor->GetSize( x, y );
- y += 2*m_lineHeight;
- int x_pos = GetScrollPos( wxHORIZONTAL );
- int y_pos = GetScrollPos( wxVERTICAL );
- SetScrollbars( 10, 10, x/10, y/10, x_pos, y_pos );
- }
+ if (m_anchor)
+ {
+ int x = 0;
+ int y = 0;
+ m_anchor->GetSize( x, y, this );
+ //y += GetLineHeight(m_anchor);
+ y += PIXELS_PER_UNIT+2; // one more scrollbar unit + 2 pixels
+ int x_pos = GetScrollPos( wxHORIZONTAL );
+ int y_pos = GetScrollPos( wxVERTICAL );
+ SetScrollbars( PIXELS_PER_UNIT, PIXELS_PER_UNIT, x/PIXELS_PER_UNIT, y/PIXELS_PER_UNIT, x_pos, y_pos );
+ }
+ else
+ {
+ SetScrollbars( 0, 0, 0, 0 );
+ }
+}
+
+int wxTreeCtrl::GetLineHeight(wxGenericTreeItem *item) const
+{
+ if (GetWindowStyleFlag() & wxTR_HAS_VARIABLE_ROW_HIGHT)
+ return item->GetHeight();
else
- {
- SetScrollbars( 0, 0, 0, 0 );
- }
+ return m_lineHeight;
}
-void wxTreeCtrl::PaintLevel( wxGenericTreeItem *item, wxDC &dc, int level, int &y )
+void wxTreeCtrl::PaintItem(wxGenericTreeItem *item, wxDC& dc)
{
- int horizX = level*m_indent;
+ // render bold items in bold
+ wxFont fontOld;
+ wxFont fontNew;
- item->SetX( horizX+33 );
- item->SetY( y-m_lineHeight/3 );
- item->SetHeight( m_lineHeight );
+ if (item->IsBold())
+ {
+ fontOld = dc.GetFont();
+ if (fontOld.Ok())
+ {
+ // VZ: is there any better way to make a bold variant of old font?
+ fontNew = wxFont( fontOld.GetPointSize(),
+ fontOld.GetFamily(),
+ fontOld.GetStyle(),
+ wxBOLD,
+ fontOld.GetUnderlined());
+ dc.SetFont(fontNew);
+ }
+ else
+ {
+ wxFAIL_MSG(_T("wxDC::GetFont() failed!"));
+ }
+ }
- item->SetCross( horizX+15, y );
+ long text_w = 0;
+ long text_h = 0;
+ dc.GetTextExtent( item->GetText(), &text_w, &text_h );
- int oldY = y;
+ int image_h = 0;
+ int image_w = 0;
+ if ((item->IsExpanded()) && (item->GetSelectedImage() != -1))
+ {
+ m_imageListNormal->GetSize( item->GetSelectedImage(), image_w, image_h );
+ image_w += 4;
+ }
+ else if (item->GetImage() != -1)
+ {
+ m_imageListNormal->GetSize( item->GetImage(), image_w, image_h );
+ image_w += 4;
+ }
- int exposed_x = dc.LogicalToDeviceX( 0 );
- int exposed_y = dc.LogicalToDeviceY( item->GetY()-2 );
+ int total_h = GetLineHeight(item);
- if (IsExposed( exposed_x, exposed_y, 10000, m_lineHeight+4 )) // 10000 = very much
- {
- int startX = horizX;
- int endX = horizX + 10;
+ dc.DrawRectangle( item->GetX()-2, item->GetY(), item->GetWidth()+2, total_h );
- if (!item->HasChildren()) endX += 20;
+ if ((item->IsExpanded()) && (item->GetSelectedImage() != -1))
+ {
+ dc.SetClippingRegion( item->GetX(), item->GetY(), image_w-2, total_h );
+ m_imageListNormal->Draw( item->GetSelectedImage(), dc,
+ item->GetX(),
+ item->GetY() +((total_h > image_h)?((total_h-image_h)/2):0),
+ wxIMAGELIST_DRAW_TRANSPARENT );
+ dc.DestroyClippingRegion();
+ }
+ else if (item->GetImage() != -1)
+ {
+ dc.SetClippingRegion( item->GetX(), item->GetY(), image_w-2, total_h );
+ m_imageListNormal->Draw( item->GetImage(), dc,
+ item->GetX(),
+ item->GetY() +((total_h > image_h)?((total_h-image_h)/2):0),
+ wxIMAGELIST_DRAW_TRANSPARENT );
+ dc.DestroyClippingRegion();
+ }
- dc.DrawLine( startX, y, endX, y );
+ dc.SetBackgroundMode(wxTRANSPARENT);
+ dc.DrawText( item->GetText(), image_w + item->GetX(), item->GetY()
+ + ((total_h > text_h) ? (total_h - text_h)/2 : 0));
- if (item->HasPlus())
+ // restore normal font for bold items
+ if (fontOld.Ok())
{
- 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+18, y );
-
- if (!item->IsExpanded())
- dc.DrawLine( horizX+15, y-2, horizX+15, y+3 );
+ dc.SetFont( fontOld);
}
+}
- if (item->HasHilight())
- {
- dc.SetTextForeground( wxSystemSettings::GetSystemColour( wxSYS_COLOUR_HIGHLIGHTTEXT ) );
+// Now y stands for the top of the item, whereas it used to stand for middle !
+void wxTreeCtrl::PaintLevel( wxGenericTreeItem *item, wxDC &dc, int level, int &y )
+{
+ int horizX = level*m_indent;
- dc.SetBrush( *m_hilightBrush );
+ item->SetX( horizX+m_indent+m_spacing );
+ item->SetY( y );
- long text_w = 0;
- long text_h = 0;
- dc.GetTextExtent( item->GetText(), &text_w, &text_h );
+ int oldY = y;
+ y+=GetLineHeight(item)/2;
- int image_h = 0;
- int image_w = 0;
- if (item->GetImage() != -1)
- {
- m_imageListNormal->GetSize( item->GetImage(), image_w, image_h );
- image_w += 4;
- }
+ item->SetCross( horizX+m_indent, y );
- if (m_hasFocus)
- dc.SetPen( *wxBLACK_PEN );
- else
- dc.SetPen( *wxTRANSPARENT_PEN );
+ int exposed_x = dc.LogicalToDeviceX( 0 );
+ int exposed_y = dc.LogicalToDeviceY( item->GetY()-2 );
- dc.DrawRectangle( item->GetX()-2, item->GetY()-2, image_w+text_w+4, text_h+4 );
+ if (IsExposed( exposed_x, exposed_y, 10000, GetLineHeight(item)+4 )) // 10000 = very much
+ {
+ int startX = horizX;
+ int endX = horizX + (m_indent-5);
+
+// if (!item->HasChildren()) endX += (m_indent+5);
+ if (!item->HasChildren()) endX += 20;
+
+ dc.DrawLine( startX, y, endX, y );
+
+ if (item->HasPlus())
+ {
+ dc.DrawLine( horizX+(m_indent+5), y, horizX+(m_indent+15), y );
+ dc.SetPen( *wxGREY_PEN );
+ dc.SetBrush( *wxWHITE_BRUSH );
+ dc.DrawRectangle( horizX+(m_indent-5), y-4, 11, 9 );
+ dc.SetPen( *wxBLACK_PEN );
+ dc.DrawLine( horizX+(m_indent-2), y, horizX+(m_indent+3), y );
+
+ if (!item->IsExpanded())
+ {
+ dc.DrawLine( horizX+m_indent, y-2, horizX+m_indent, y+3 );
+ }
+ }
+
+ if (item->HasHilight())
+ {
+ dc.SetTextForeground( wxSystemSettings::GetSystemColour( wxSYS_COLOUR_HIGHLIGHTTEXT ) );
+
+ dc.SetBrush( *m_hilightBrush );
+
+ if (m_hasFocus)
+ dc.SetPen( *wxBLACK_PEN );
+ else
+ dc.SetPen( *wxTRANSPARENT_PEN );
+
+ PaintItem(item, dc);
+
+ dc.SetPen( *wxBLACK_PEN );
+ dc.SetTextForeground( *wxBLACK );
+ dc.SetBrush( *wxWHITE_BRUSH );
+ }
+ else
+ {
+ dc.SetBrush( *wxWHITE_BRUSH );
+ dc.SetPen( *wxTRANSPARENT_PEN );
+
+ PaintItem(item, dc);
+
+ dc.SetPen( *wxBLACK_PEN );
+ }
+ }
- if (item->GetImage() != -1)
- {
- dc.SetClippingRegion( item->GetX(), item->GetY(), image_w-2, text_h );
- m_imageListNormal->Draw( item->GetImage(), dc, item->GetX(), item->GetY()-1, wxIMAGELIST_DRAW_TRANSPARENT );
- dc.DestroyClippingRegion();
- }
- dc.DrawText( item->GetText(), image_w+item->GetX(), item->GetY() );
+ y = oldY+GetLineHeight(item);
- dc.SetPen( *wxBLACK_PEN );
- dc.SetTextForeground( *wxBLACK );
- dc.SetBrush( *wxWHITE_BRUSH );
- }
- else
+ if (item->IsExpanded())
{
- dc.SetBrush( *wxWHITE_BRUSH );
- dc.SetPen( *wxTRANSPARENT_PEN );
+ oldY+=GetLineHeight(item)/2;
+ int semiOldY=y; // (=y) for stupid compilator
+
+ wxArrayGenericTreeItems& children = item->GetChildren();
+ size_t n, count = children.Count();
+ for ( n = 0; n < count; ++n )
+ {
+ semiOldY=y;
+ PaintLevel( children[n], dc, level+1, y );
+ }
+
+ // it may happen that the item is expanded but has no items (when you
+ // delete all its children for example) - don't draw the vertical line
+ // in this case
+ if (count > 0)
+ {
+ semiOldY+=GetLineHeight(children[--n])/2;
+ dc.DrawLine( horizX+m_indent, oldY+5, horizX+m_indent, semiOldY );
+ }
+ }
+}
- long text_w = 0;
- long text_h = 0;
- dc.GetTextExtent( item->GetText(), &text_w, &text_h );
+void wxTreeCtrl::DrawBorder(wxTreeItemId &item)
+{
+ if (!item) return;
- int image_h = 0;
- int image_w = 0;
- if (item->GetImage() != -1)
- {
- m_imageListNormal->GetSize( item->GetImage(), image_w, image_h );
- image_w += 4;
- }
+ wxGenericTreeItem *i=item.m_pItem;
- dc.DrawRectangle( item->GetX()-2, item->GetY()-2, image_w+text_w+4, text_h+4 );
+ wxPaintDC dc(this);
+ PrepareDC( dc );
+ dc.SetLogicalFunction(wxINVERT);
- if (item->GetImage() != -1)
- {
- dc.SetClippingRegion( item->GetX(), item->GetY(), image_w-2, text_h );
- m_imageListNormal->Draw( item->GetImage(), dc, item->GetX(), item->GetY()-1, wxIMAGELIST_DRAW_TRANSPARENT );
- dc.DestroyClippingRegion();
- }
+ int w,h,x;
+ ViewStart(&x,&h); // we only need x
+ GetClientSize(&w,&h); // we only need w
- dc.DrawText( item->GetText(), image_w+item->GetX(), item->GetY() );
- dc.SetPen( *wxBLACK_PEN );
- }
- }
+ h=GetLineHeight(i)+1;
+ // 2 white column at border
+ dc.DrawRectangle( PIXELS_PER_UNIT*x+2, i->GetY()-1, w-6, h);
+}
- if ( !item->IsExpanded() )
- return;
+void wxTreeCtrl::DrawLine(wxTreeItemId &item, bool below)
+{
+ if (!item) return;
- int semiOldY = y;
+ wxGenericTreeItem *i=item.m_pItem;
- wxArrayTreeItems& children = item->GetChildren();
- size_t count = children.Count();
- for ( size_t n = 0; n < count; n++ )
- {
- y += m_lineHeight;
- semiOldY = y;
+ wxPaintDC dc(this);
+ PrepareDC( dc );
+ dc.SetLogicalFunction(wxINVERT);
- PaintLevel( children[n], dc, level+1, y );
- }
+ int w,h,y;
+ GetSize(&w,&h);
+
+ if (below) y=i->GetY()+GetLineHeight(i)-1;
+ else y=i->GetY();
- dc.DrawLine( horizX+15, oldY+5, horizX+15, semiOldY );
+ dc.DrawLine( 0, y, w, y);
}
// -----------------------------------------------------------------------------
void wxTreeCtrl::OnPaint( wxPaintEvent &WXUNUSED(event) )
{
- if ( !m_anchor )
- return;
+ if ( !m_anchor)
+ return;
- wxPaintDC dc(this);
- PrepareDC( dc );
+ wxPaintDC dc(this);
+ PrepareDC( dc );
- dc.SetFont( wxSystemSettings::GetSystemFont( wxSYS_SYSTEM_FONT ) );
+ dc.SetFont( wxSystemSettings::GetSystemFont( wxSYS_DEFAULT_GUI_FONT ) );
- dc.SetPen( m_dottedPen );
- m_lineHeight = (int)(dc.GetCharHeight() + 4);
+ dc.SetPen( m_dottedPen );
+ //if(GetImageList() == NULL)
+ // m_lineHeight = (int)(dc.GetCharHeight() + 4);
- int y = m_lineHeight / 2 + 2;
- PaintLevel( m_anchor, dc, 0, y );
+ int y = 2;
+ PaintLevel( m_anchor, dc, 0, y );
}
void wxTreeCtrl::OnSetFocus( wxFocusEvent &WXUNUSED(event) )
{
- m_hasFocus = TRUE;
- if ( m_current )
- RefreshLine( m_current );
+ m_hasFocus = TRUE;
+
+ if (m_current) RefreshLine( m_current );
}
void wxTreeCtrl::OnKillFocus( wxFocusEvent &WXUNUSED(event) )
{
- m_hasFocus = FALSE;
- if ( m_current )
- RefreshLine( m_current );
+ m_hasFocus = FALSE;
+
+ if (m_current) RefreshLine( m_current );
}
void wxTreeCtrl::OnChar( wxKeyEvent &event )
{
- // TODO process '+', '-' (expand/collapse branch) and cursor keys
- event.Skip();
+ wxTreeEvent te( wxEVT_COMMAND_TREE_KEY_DOWN, GetId() );
+ te.m_code = event.KeyCode();
+ te.SetEventObject( this );
+ GetEventHandler()->ProcessEvent( te );
+
+ if ( (m_current == 0) || (m_key_current == 0) )
+ {
+ event.Skip();
+ return;
+ }
+
+ bool is_multiple=(GetWindowStyleFlag() & wxTR_MULTIPLE);
+ bool extended_select=(event.ShiftDown() && is_multiple);
+ bool unselect_others=!(extended_select || (event.ControlDown() && is_multiple));
+
+ switch (event.KeyCode())
+ {
+ case '+':
+ case WXK_ADD:
+ if (m_current->HasPlus() && !IsExpanded(m_current))
+ {
+ Expand(m_current);
+ }
+ break;
+
+ case '-':
+ case WXK_SUBTRACT:
+ if (IsExpanded(m_current))
+ {
+ Collapse(m_current);
+ }
+ break;
+
+ case '*':
+ case WXK_MULTIPLY:
+ Toggle(m_current);
+ break;
+
+ case ' ':
+ case WXK_RETURN:
+ {
+ wxTreeEvent event( wxEVT_COMMAND_TREE_ITEM_ACTIVATED, GetId() );
+ event.m_item = m_current;
+ event.m_code = 0;
+ event.SetEventObject( this );
+ GetEventHandler()->ProcessEvent( event );
+ }
+ break;
+
+ // up goes to the previous sibling or to the last of its children if
+ // it's expanded
+ case WXK_UP:
+ {
+ wxTreeItemId prev = GetPrevSibling( m_key_current );
+ if (!prev)
+ {
+ prev = GetParent( m_key_current );
+ if (prev)
+ {
+ long cockie = 0;
+ wxTreeItemId current = m_key_current;
+ if (current == GetFirstChild( prev, cockie ))
+ {
+ // otherwise we return to where we came from
+ SelectItem( prev, unselect_others, extended_select );
+ m_key_current=prev.m_pItem;
+ EnsureVisible( prev );
+ break;
+ }
+ }
+ }
+ if (prev)
+ {
+ while ( IsExpanded(prev) && HasChildren(prev) )
+ {
+ wxTreeItemId child = GetLastChild(prev);
+ if ( child )
+ {
+ prev = child;
+ }
+ }
+
+ SelectItem( prev, unselect_others, extended_select );
+ m_key_current=prev.m_pItem;
+ EnsureVisible( prev );
+ }
+ }
+ break;
+
+ // left arrow goes to the parent
+ case WXK_LEFT:
+ {
+ wxTreeItemId prev = GetParent( m_current );
+ if (prev)
+ {
+ EnsureVisible( prev );
+ SelectItem( prev, unselect_others, extended_select );
+ }
+ }
+ break;
+
+ case WXK_RIGHT:
+ // this works the same as the down arrow except that we also expand the
+ // item if it wasn't expanded yet
+ Expand(m_current);
+ // fall through
+
+ case WXK_DOWN:
+ {
+ if (IsExpanded(m_key_current) && HasChildren(m_key_current))
+ {
+ long cookie = 0;
+ wxTreeItemId child = GetFirstChild( m_key_current, cookie );
+ SelectItem( child, unselect_others, extended_select );
+ m_key_current=child.m_pItem;
+ EnsureVisible( child );
+ }
+ else
+ {
+ wxTreeItemId next = GetNextSibling( m_key_current );
+ if (next == 0)
+ {
+ wxTreeItemId current = m_key_current;
+ while (current && !next)
+ {
+ current = GetParent( current );
+ if (current) next = GetNextSibling( current );
+ }
+ }
+ if (next != 0)
+ {
+ SelectItem( next, unselect_others, extended_select );
+ m_key_current=next.m_pItem;
+ EnsureVisible( next );
+ }
+ }
+ }
+ break;
+
+ // <End> selects the last visible tree item
+ case WXK_END:
+ {
+ wxTreeItemId last = GetRootItem();
+
+ while ( last.IsOk() && IsExpanded(last) )
+ {
+ wxTreeItemId lastChild = GetLastChild(last);
+
+ // it may happen if the item was expanded but then all of
+ // its children have been deleted - so IsExpanded() returned
+ // TRUE, but GetLastChild() returned invalid item
+ if ( !lastChild )
+ break;
+
+ last = lastChild;
+ }
+
+ if ( last.IsOk() )
+ {
+ EnsureVisible( last );
+ SelectItem( last, unselect_others, extended_select );
+ }
+ }
+ break;
+
+ // <Home> selects the root item
+ case WXK_HOME:
+ {
+ wxTreeItemId prev = GetRootItem();
+ if (prev)
+ {
+ EnsureVisible( prev );
+ SelectItem( prev, unselect_others, extended_select );
+ }
+ }
+ break;
+
+ default:
+ event.Skip();
+ }
+}
+
+wxTreeItemId wxTreeCtrl::HitTest(const wxPoint& point, int& flags)
+{
+ wxClientDC dc(this);
+ PrepareDC(dc);
+ long x = dc.DeviceToLogicalX( (long)point.x );
+ long y = dc.DeviceToLogicalY( (long)point.y );
+ int w, h;
+ GetSize(&w, &h);
+
+ flags=0;
+ if (point.x<0) flags|=wxTREE_HITTEST_TOLEFT;
+ if (point.x>w) flags|=wxTREE_HITTEST_TORIGHT;
+ if (point.y<0) flags|=wxTREE_HITTEST_ABOVE;
+ if (point.y>h) flags|=wxTREE_HITTEST_BELOW;
+
+ return m_anchor->HitTest( wxPoint(x, y), this, flags);
}
void wxTreeCtrl::OnMouse( wxMouseEvent &event )
{
- if ( !(event.LeftDown() || event.LeftDClick()) )
- return;
+ if (!event.LeftIsDown()) m_dragCount = 0;
- if ( !m_anchor )
- return;
+ if ( !(event.LeftUp() || event.LeftDClick() || event.Dragging()) ) return;
- wxClientDC dc(this);
- PrepareDC(dc);
- long x = dc.DeviceToLogicalX( (long)event.GetX() );
- long y = dc.DeviceToLogicalY( (long)event.GetY() );
+ if ( !m_anchor ) return;
- bool onButton = FALSE;
- wxGenericTreeItem *item = m_anchor->HitTest( wxPoint(x,y), onButton );
- if ( item == NULL )
- return;
+ wxClientDC dc(this);
+ PrepareDC(dc);
+ long x = dc.DeviceToLogicalX( (long)event.GetX() );
+ long y = dc.DeviceToLogicalY( (long)event.GetY() );
- SelectItem(item);
+ int flags=0;
+ wxGenericTreeItem *item = m_anchor->HitTest( wxPoint(x,y), this, flags);
+ bool onButton = flags & wxTREE_HITTEST_ONITEMBUTTON;
- if ( event.LeftDClick() )
- {
- wxTreeEvent event( wxEVT_COMMAND_TREE_KEY_DOWN, GetId() );
- event.m_item = item;
- event.m_code = 0;
- event.SetEventObject( this );
- ProcessEvent( event );
- }
+ if (item == NULL) return; /* we hit the blank area */
- if ( onButton )
- {
- Toggle( item );
- }
+ if (event.Dragging())
+ {
+ if (m_dragCount == 2) /* small drag latency (3?) */
+ {
+ m_dragCount = 0;
+
+ wxTreeEvent nevent(wxEVT_COMMAND_TREE_BEGIN_DRAG, GetId());
+ nevent.m_item = m_current;
+ nevent.SetEventObject(this);
+ GetEventHandler()->ProcessEvent(nevent);
+ }
+ else
+ {
+ m_dragCount++;
+ }
+ return;
+ }
+
+ bool is_multiple=(GetWindowStyleFlag() & wxTR_MULTIPLE);
+ bool extended_select=(event.ShiftDown() && is_multiple);
+ bool unselect_others=!(extended_select || (event.ControlDown() && is_multiple));
+
+ if (onButton)
+ {
+ Toggle( item );
+ if (is_multiple) return;
+ }
+
+ SelectItem(item, unselect_others, extended_select);
+
+ if (event.LeftDClick())
+ {
+ wxTreeEvent event( wxEVT_COMMAND_TREE_ITEM_ACTIVATED, GetId() );
+ event.m_item = item;
+ event.m_code = 0;
+ event.SetEventObject( this );
+ GetEventHandler()->ProcessEvent( event );
+ }
}
void wxTreeCtrl::OnIdle( wxIdleEvent &WXUNUSED(event) )
{
- if (!m_dirty) return;
-
- m_dirty = FALSE;
-
- CalculatePositions();
+ /* after all changes have been done to the tree control,
+ * we actually redraw the tree when everything is over */
- AdjustMyScrollbars();
+ if (!m_dirty)
+ return;
+
+ m_dirty = FALSE;
+
+ CalculatePositions();
+ Refresh();
+ AdjustMyScrollbars();
+}
+
+void wxTreeCtrl::CalculateSize( wxGenericTreeItem *item, wxDC &dc )
+{
+ long text_w = 0;
+ long text_h = 0;
+ // TODO : check for boldness. Here with suppose that font normal and bold
+ // have the same height !
+ // TODO : bug here, text_w is sometime not the correct answer !!!
+ dc.GetTextExtent( item->GetText(), &text_w, &text_h );
+ text_h+=4;
+
+ int image_h = 0;
+ int image_w = 0;
+ if ((item->IsExpanded()) && (item->GetSelectedImage() != -1))
+ {
+ m_imageListNormal->GetSize( item->GetSelectedImage(), image_w, image_h );
+ image_w += 4;
+ }
+ else if (item->GetImage() != -1)
+ {
+ m_imageListNormal->GetSize( item->GetImage(), image_w, image_h );
+ image_w += 4;
+ }
+
+ int total_h = (image_h > text_h) ? image_h : text_h;
+
+ if (total_h<40) total_h+=4; // at least 4 pixels
+ else total_h+=total_h/10; // otherwise 10% extra spacing
+
+ item->SetHeight(total_h);
+ if (total_h>m_lineHeight) m_lineHeight=total_h;
+
+ item->SetWidth(image_w+text_w+2);
}
// -----------------------------------------------------------------------------
-// -----------------------------------------------------------------------------
-void wxTreeCtrl::CalculateLevel( wxGenericTreeItem *item,
- wxDC &dc,
- int level,
- int &y )
+// for developper : y is now the top of the level
+// not the middle of it !
+void wxTreeCtrl::CalculateLevel( wxGenericTreeItem *item, wxDC &dc, int level, int &y )
{
- int horizX = level*m_indent;
+ int horizX = level*m_indent;
- item->SetX( horizX+33 );
- item->SetY( y-m_lineHeight/3-2 );
- item->SetHeight( m_lineHeight );
+ CalculateSize( item, dc );
- if ( item->IsExpanded() )
- return;
+ // set its position
+ item->SetX( horizX+m_indent+m_spacing );
+ item->SetY( y );
+ y+=GetLineHeight(item);
- wxArrayTreeItems& children = item->GetChildren();
- size_t count = children.Count();
- for ( size_t n = 0; n < count; n++ )
- {
- y += m_lineHeight;
- CalculateLevel( children[n], dc, level+1, y );
- }
+ if ( !item->IsExpanded() )
+ {
+ // we dont need to calculate collapsed branches
+ return;
+ }
+
+ wxArrayGenericTreeItems& children = item->GetChildren();
+ size_t n, count = children.Count();
+ for (n = 0; n < count; ++n )
+ CalculateLevel( children[n], dc, level+1, y ); // recurse
}
void wxTreeCtrl::CalculatePositions()
{
- if ( !m_anchor )
- return;
+ if ( !m_anchor ) return;
- wxClientDC dc(this);
- PrepareDC( dc );
+ wxClientDC dc(this);
+ PrepareDC( dc );
- dc.SetFont( wxSystemSettings::GetSystemFont( wxSYS_SYSTEM_FONT ) );
+ dc.SetFont( wxSystemSettings::GetSystemFont( wxSYS_DEFAULT_GUI_FONT ) );
- dc.SetPen( m_dottedPen );
- m_lineHeight = (int)(dc.GetCharHeight() + 4);
+ dc.SetPen( m_dottedPen );
+ //if(GetImageList() == NULL)
+ // m_lineHeight = (int)(dc.GetCharHeight() + 4);
- int y = m_lineHeight / 2 + 2;
- CalculateLevel( m_anchor, dc, 0, y );
+ int y = 2; //GetLineHeight(m_anchor) / 2 + 2;
+ CalculateLevel( m_anchor, dc, 0, y ); // start recursion
}
void wxTreeCtrl::RefreshSubtree(wxGenericTreeItem *item)
{
- wxClientDC dc(this);
- PrepareDC(dc);
+ wxClientDC dc(this);
+ PrepareDC(dc);
- int cw = 0;
- int ch = 0;
- GetClientSize( &cw, &ch );
+ int cw = 0;
+ int ch = 0;
+ GetClientSize( &cw, &ch );
- wxRect rect;
- rect.x = dc.LogicalToDeviceX( 0 );
- rect.width = cw;
- rect.y = dc.LogicalToDeviceY( item->GetY() );
- rect.height = ch;
+ wxRect rect;
+ rect.x = dc.LogicalToDeviceX( 0 );
+ rect.width = cw;
+ rect.y = dc.LogicalToDeviceY( item->GetY() );
+ rect.height = ch;
- Refresh( TRUE, &rect );
+ Refresh( TRUE, &rect );
- AdjustMyScrollbars();
+ AdjustMyScrollbars();
}
void wxTreeCtrl::RefreshLine( wxGenericTreeItem *item )
{
- wxClientDC dc(this);
- PrepareDC( dc );
-
- wxRect rect;
- rect.x = dc.LogicalToDeviceX( item->GetX() - 2 );
- rect.y = dc.LogicalToDeviceY( item->GetY() - 2 );
- rect.width = 1000;
- rect.height = dc.GetCharHeight() + 6;
- Refresh( TRUE, &rect );
+ wxClientDC dc(this);
+ PrepareDC( dc );
+
+ wxRect rect;
+ rect.x = dc.LogicalToDeviceX( item->GetX() - 2 );
+ rect.y = dc.LogicalToDeviceY( item->GetY());
+ rect.width = 1000;
+ rect.height = GetLineHeight(item); //dc.GetCharHeight() + 6;
+
+ Refresh( TRUE, &rect );
}
projects / wxWidgets.git / blobdiff