#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/dcclient.h"
-#include "wx/imaglist.h"
+#include "wx/msgdlg.h"
// -----------------------------------------------------------------------------
// array types
// -----------------------------------------------------------------------------
+class WXDLLEXPORT wxGenericTreeItem;
+
WX_DEFINE_ARRAY(wxGenericTreeItem *, wxArrayTreeItems);
// -----------------------------------------------------------------------------
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; }
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')
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;
// 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;
{
delete m_data;
+ wxASSERT_MSG( m_children.IsEmpty(),
+ "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 )
m_level = 0;
- m_children.Empty();
+ DeleteChildren();
m_isCollapsed = TRUE;
m_parent = (wxGenericTreeItem *)NULL;
return this;
}
- if ((point.x > m_x) && (point.x < m_x+m_width))
+ int w = m_width;
+ if (m_image != -1) w += 20;
+
+ if ((point.x > m_x) && (point.x < m_x+w))
{
onButton = FALSE;
return this;
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 );
+ SetValidator( validator );
+
SetBackgroundColour( *wxWHITE );
m_dottedPen = wxPen( *wxBLACK, 0, 0 );
wxTreeCtrl::~wxTreeCtrl()
{
wxDELETE( m_hilightBrush );
- wxDELETE( m_anchor );
+
+ DeleteAllItems();
}
// -----------------------------------------------------------------------------
item.m_pItem->SetHasPlus(has);
}
+void wxTreeCtrl::SetItemBold(const wxTreeItemId& item, bool bold)
+{
+ wxCHECK_RET( item.IsOk(), "invalid tree item" );
+
+ // avoid redrawing the tree if no real change
+ wxGenericTreeItem *pItem = item.m_pItem;
+ if ( pItem->IsBold() != bold )
+ {
+ pItem->SetBold(bold);
+ RefreshLine(pItem);
+ }
+}
+
// -----------------------------------------------------------------------------
// item status inquiries
// -----------------------------------------------------------------------------
return item.m_pItem->HasHilight();
}
+bool wxTreeCtrl::IsBold(const wxTreeItemId& item) const
+{
+ wxCHECK_MSG( item.IsOk(), FALSE, "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(), "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(), "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(), "invalid tree item" );
wxArrayTreeItems& 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(), "invalid tree item" );
+
+ wxArrayTreeItems& 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(), "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();
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(), "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();
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");
- return NULL;
+ return wxTreeItemId();
}
wxTreeItemId wxTreeCtrl::GetNextVisible(const wxTreeItemId& item) const
{
- wxCHECK_MSG( item.IsOk(), NULL, "invalid tree item" );
+ wxCHECK_MSG( item.IsOk(), wxTreeItemId(), "invalid tree item" );
wxFAIL_MSG("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(), "invalid tree item" );
wxFAIL_MSG("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(), "tree can have only one root" );
wxClientDC dc(this);
m_anchor = new wxGenericTreeItem((wxGenericTreeItem *)NULL, text, dc,
}
int index = parent->GetChildren().Index(idPrevious.m_pItem);
- wxASSERT_MSG( index != NOT_FOUND,
+ wxASSERT_MSG( index != wxNOT_FOUND,
"previous item in wxTreeCtrl::InsertItem() is not a sibling" );
return DoInsertItem(parentId, (size_t)index, text, image, selImage, data);
}
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);
void wxTreeCtrl::CollapseAndReset(const wxTreeItemId& item)
{
Collapse(item);
- Delete(item);
+ DeleteChildren(item);
}
void wxTreeCtrl::Toggle(const wxTreeItemId& itemId)
void wxTreeCtrl::EnsureVisible(const wxTreeItemId& item)
{
- wxGenericTreeItem *gitem = item.m_pItem;
-
- int item_y = gitem->GetY();
-
- int start_x = 0;
- int start_y = 0;
- ViewStart( &start_x, &start_y );
- start_y *= 10;
-
- if (item_y < start_y+3)
- {
- int x = 0;
- int y = 0;
- m_anchor->GetSize( x, y );
- y += 2*m_lineHeight;
- int x_pos = GetScrollPos( wxHORIZONTAL );
- SetScrollbars( 10, 10, x/10, y/10, x_pos, item_y/10 );
- return;
- }
-
- int w = 0;
- int h = 0;
- GetClientSize( &w, &h );
-
- if (item_y > start_y+h-26)
- {
- int x = 0;
- int y = 0;
- m_anchor->GetSize( x, y );
- y += 2*m_lineHeight;
- int x_pos = GetScrollPos( wxHORIZONTAL );
- SetScrollbars( 10, 10, x/10, y/10, x_pos, (item_y-h+30)/10 );
- return;
- }
+ wxGenericTreeItem *gitem = item.m_pItem;
+
+ int item_y = gitem->GetY();
+
+ int start_x = 0;
+ int start_y = 0;
+ ViewStart( &start_x, &start_y );
+ start_y *= 10;
+
+ int client_h = 0;
+ int client_w = 0;
+ GetClientSize( &client_w, &client_h );
+
+ if (item_y < start_y+3)
+ {
+ int x = 0;
+ int y = 0;
+ m_anchor->GetSize( x, y );
+ y += 2*m_lineHeight;
+ int x_pos = GetScrollPos( wxHORIZONTAL );
+ SetScrollbars( 10, 10, x/10, y/10, x_pos, (item_y-client_h/2)/10 );
+ return;
+ }
+
+ if (item_y > start_y+client_h-16)
+ {
+ int x = 0;
+ int y = 0;
+ m_anchor->GetSize( x, y );
+ y += 2*m_lineHeight;
+ int x_pos = GetScrollPos( wxHORIZONTAL );
+ SetScrollbars( 10, 10, x/10, y/10, x_pos, (item_y-client_h/2)/10 );
+ return;
+ }
}
void wxTreeCtrl::ScrollTo(const wxTreeItemId& WXUNUSED(item))
{
- wxFAIL_MSG("not implemented");
+ wxFAIL_MSG("not implemented");
}
wxTextCtrl *wxTreeCtrl::EditLabel( const wxTreeItemId& WXUNUSED(item),
wxClassInfo* WXUNUSED(textCtrlClass) )
{
- wxFAIL_MSG("not implemented");
+ wxFAIL_MSG("not implemented");
- return NULL;
+ return (wxTextCtrl*)NULL;
}
wxTextCtrl *wxTreeCtrl::GetEditControl() const
{
- wxFAIL_MSG("not implemented");
+ wxFAIL_MSG("not implemented");
- return NULL;
+ return (wxTextCtrl*)NULL;
}
void wxTreeCtrl::EndEditLabel(const wxTreeItemId& WXUNUSED(item), bool WXUNUSED(discardChanges))
{
- wxFAIL_MSG("not implemented");
+ wxFAIL_MSG("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)
{
- wxFAIL_MSG("not implemented");
+ wxCHECK_MSG( s_treeBeingSorted, 0, "bug in wxTreeCtrl::SortChildren()" );
+
+ return s_treeBeingSorted->OnCompareItems(*item1, *item2);
+}
+
+int wxTreeCtrl::OnCompareItems(const wxTreeItemId& item1,
+ const wxTreeItemId& item2)
+{
+ return strcmp(GetItemText(item1), GetItemText(item2));
+}
+
+void wxTreeCtrl::SortChildren(const wxTreeItemId& itemId)
+{
+ wxCHECK_RET( itemId.IsOk(), "invalid tree item" );
+
+ wxGenericTreeItem *item = itemId.m_pItem;
+
+ wxCHECK_RET( !s_treeBeingSorted,
+ "wxTreeCtrl::SortChildren is not reentrant" );
+
+ wxArrayTreeItems& 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
// -----------------------------------------------------------------------------
// 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 );
- }
- else
- {
- SetScrollbars( 0, 0, 0, 0 );
- }
+ 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 );
+ }
+ else
+ {
+ SetScrollbars( 0, 0, 0, 0 );
+ }
}
-void wxTreeCtrl::PaintLevel( wxGenericTreeItem *item, wxDC &dc, int level, int &y )
+void wxTreeCtrl::PaintItem(wxGenericTreeItem *item, wxDC& dc)
{
- int horizX = level*m_indent;
-
- item->SetX( horizX+33 );
- item->SetY( y-m_lineHeight/3 );
- item->SetHeight( m_lineHeight );
+ /* render bold items in bold */
+ wxFont fontOld;
+ wxFont fontNew;
- item->SetCross( horizX+15, y );
-
- int oldY = y;
-
- int exposed_x = dc.LogicalToDeviceX( 0 );
- int exposed_y = dc.LogicalToDeviceY( item->GetY()-2 );
-
- if (IsExposed( exposed_x, exposed_y, 10000, m_lineHeight+4 )) // 10000 = very much
- {
- int startX = horizX;
- int endX = horizX + 10;
-
- if (!item->HasChildren()) endX += 20;
+ if (item->IsBold())
+ {
+ fontOld = dc.GetFont();
+ if (fontOld.Ok())
+ {
+ /* @@ 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("wxDC::GetFont() failed!");
+ }
+ }
- dc.DrawLine( startX, y, endX, y );
+ long text_w = 0;
+ long text_h = 0;
+ dc.GetTextExtent( item->GetText(), &text_w, &text_h );
- if (item->HasPlus())
+ int image_h = 0;
+ int image_w = 0;
+ if ((item->IsExpanded()) && (item->GetSelectedImage() != -1))
{
- 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 );
+ m_imageListNormal->GetSize( item->GetSelectedImage(), image_w, image_h );
+ image_w += 4;
}
-
- if (item->HasHilight())
+ else if (item->GetImage() != -1)
{
- dc.SetTextForeground( wxSystemSettings::GetSystemColour( wxSYS_COLOUR_HIGHLIGHTTEXT ) );
-
- dc.SetBrush( *m_hilightBrush );
-
- long text_w = 0;
- long text_h = 0;
- dc.GetTextExtent( item->GetText(), &text_w, &text_h );
-
- int image_h = 0;
- int image_w = 0;
- if (item->GetImage() != -1)
- {
m_imageListNormal->GetSize( item->GetImage(), image_w, image_h );
image_w += 4;
- }
-
- if (m_hasFocus)
- dc.SetPen( *wxBLACK_PEN );
- else
- dc.SetPen( *wxTRANSPARENT_PEN );
+ }
- dc.DrawRectangle( item->GetX()-2, item->GetY()-2, image_w+text_w+4, text_h+4 );
+ dc.DrawRectangle( item->GetX()-2, item->GetY()-2, image_w+text_w+4, text_h+4 );
- if (item->GetImage() != -1)
- {
+ if ((item->IsExpanded()) && (item->GetSelectedImage() != -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 );
+ m_imageListNormal->Draw( item->GetSelectedImage(), dc,
+ item->GetX(), item->GetY()-1,
+ wxIMAGELIST_DRAW_TRANSPARENT );
dc.DestroyClippingRegion();
- }
- dc.DrawText( item->GetText(), image_w+item->GetX(), item->GetY() );
-
- dc.SetPen( *wxBLACK_PEN );
- dc.SetTextForeground( *wxBLACK );
- dc.SetBrush( *wxWHITE_BRUSH );
}
- else
+ else if (item->GetImage() != -1)
{
- dc.SetBrush( *wxWHITE_BRUSH );
- dc.SetPen( *wxTRANSPARENT_PEN );
-
- long text_w = 0;
- long text_h = 0;
- dc.GetTextExtent( item->GetText(), &text_w, &text_h );
-
- int image_h = 0;
- int image_w = 0;
- if (item->GetImage() != -1)
- {
- m_imageListNormal->GetSize( item->GetImage(), image_w, image_h );
- image_w += 4;
- }
-
- dc.DrawRectangle( item->GetX()-2, item->GetY()-2, image_w+text_w+4, text_h+4 );
-
- 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 );
+ m_imageListNormal->Draw( item->GetImage(), dc,
+ item->GetX(), item->GetY()-1,
+ wxIMAGELIST_DRAW_TRANSPARENT );
dc.DestroyClippingRegion();
- }
+ }
+
+ dc.SetBackgroundMode(wxTRANSPARENT);
+ dc.DrawText( item->GetText(), image_w + item->GetX(), item->GetY() );
- dc.DrawText( item->GetText(), image_w+item->GetX(), item->GetY() );
- dc.SetPen( *wxBLACK_PEN );
+ /* restore normal font for bold items */
+ if (fontOld.Ok())
+ {
+ dc.SetFont( fontOld);
}
- }
+}
- if ( !item->IsExpanded() )
- return;
+void wxTreeCtrl::PaintLevel( wxGenericTreeItem *item, wxDC &dc, int level, int &y )
+{
+ int horizX = level*m_indent;
- int semiOldY = y;
+ item->SetX( horizX+33 );
+ item->SetY( y-m_lineHeight/3 );
+ item->SetHeight( m_lineHeight );
- wxArrayTreeItems& children = item->GetChildren();
- size_t count = children.Count();
- for ( size_t n = 0; n < count; n++ )
- {
- y += m_lineHeight;
- semiOldY = y;
+ item->SetCross( horizX+15, y );
- PaintLevel( children[n], dc, level+1, y );
- }
+ int oldY = y;
+
+ int exposed_x = dc.LogicalToDeviceX( 0 );
+ int exposed_y = dc.LogicalToDeviceY( item->GetY()-2 );
- dc.DrawLine( horizX+15, oldY+5, horizX+15, semiOldY );
+ if (IsExposed( exposed_x, exposed_y, 10000, m_lineHeight+4 )) // 10000 = very much
+ {
+ int startX = horizX;
+ int endX = horizX + 10;
+
+ if (!item->HasChildren()) endX += 20;
+
+ dc.DrawLine( startX, y, endX, y );
+
+ if (item->HasPlus())
+ {
+ dc.DrawLine( horizX+20, y, horizX+30, y );
+ dc.SetPen( *wxGREY_PEN );
+ dc.SetBrush( *wxWHITE_BRUSH );
+ 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 );
+ }
+ }
+
+ 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->IsExpanded())
+ {
+ int semiOldY = y;
+
+ wxArrayTreeItems& children = item->GetChildren();
+ size_t count = children.Count();
+ for ( size_t n = 0; n < count; n++ )
+ {
+ y += m_lineHeight;
+ 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) dc.DrawLine( horizX+15, oldY+5, horizX+15, semiOldY );
+ }
}
// -----------------------------------------------------------------------------
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 );
+ m_lineHeight = (int)(dc.GetCharHeight() + 4);
- int y = m_lineHeight / 2 + 2;
- PaintLevel( m_anchor, dc, 0, y );
+ int y = m_lineHeight / 2 + 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 )
{
- if (m_current == 0)
- {
- event.Skip();
- return;
- }
-
- switch (event.KeyCode())
- {
- case '+':
- case WXK_ADD:
- {
- if (HasChildren(m_current) && !IsExpanded(m_current))
- {
- Expand(m_current);
- }
- return;
- }
- case '-':
- case WXK_SUBTRACT:
- {
- if (IsExpanded(m_current))
- {
- Collapse(m_current);
- }
- return;
- }
- case ' ':
- case WXK_RETURN:
- {
- wxTreeEvent event( wxEVT_COMMAND_TREE_KEY_DOWN, GetId() );
- event.m_item = m_current;
- event.m_code = 0;
- event.SetEventObject( this );
- GetEventHandler()->ProcessEvent( event );
- return;
- }
- case WXK_UP:
+ wxTreeEvent te( wxEVT_COMMAND_TREE_KEY_DOWN, GetId() );
+ te.m_code = event.KeyCode();
+ te.SetEventObject( this );
+ GetEventHandler()->ProcessEvent( te );
+
+ if (m_current == 0)
{
- wxTreeItemId prev = GetPrevSibling( m_current );
- if (prev != 0)
- {
- SelectItem( prev );
- EnsureVisible( prev );
- }
- else
- {
- prev = GetParent( m_current );
- if (prev)
- {
- EnsureVisible( prev );
- SelectItem( prev );
- }
- }
- return;
+ event.Skip();
+ return;
}
- case WXK_DOWN:
+
+ switch (event.KeyCode())
{
- if (IsExpanded(m_current))
- {
- long cookie = 0;
- wxTreeItemId child = GetFirstChild( m_current, cookie );
- SelectItem( child );
- EnsureVisible( child );
- }
- else
- {
- wxTreeItemId next = GetNextSibling( m_current );
- if (next == 0)
- {
- wxTreeItemId current = m_current;
- while (current && !next)
- {
- current = GetParent( current );
- if (current) next = GetNextSibling( current );
- }
- }
- if (next != 0)
- {
- SelectItem( next );
- EnsureVisible( next );
- }
- }
- return;
+ 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_current );
+ if (!prev)
+ {
+ prev = GetParent( m_current );
+ long cockie = 0;
+ wxTreeItemId current = m_current;
+ if (current == GetFirstChild( prev, cockie ))
+ {
+ // otherwise we return to where we came from
+ SelectItem( prev );
+ EnsureVisible( prev );
+ break;
+ }
+ }
+ if (prev)
+ {
+ while (IsExpanded(prev))
+ {
+ int c = (int)GetChildrenCount( prev, FALSE );
+ long cockie = 0;
+ prev = GetFirstChild( prev, cockie );
+ for (int i = 0; i < c-1; i++)
+ prev = GetNextSibling( prev );
+ }
+ SelectItem( prev );
+ EnsureVisible( prev );
+ }
+ }
+ break;
+
+ // left arrow goes to the parent
+ case WXK_LEFT:
+ {
+ wxTreeItemId prev = GetParent( m_current );
+ if (prev)
+ {
+ EnsureVisible( prev );
+ SelectItem( prev );
+ }
+ }
+ 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_current))
+ {
+ long cookie = 0;
+ wxTreeItemId child = GetFirstChild( m_current, cookie );
+ SelectItem( child );
+ EnsureVisible( child );
+ }
+ else
+ {
+ wxTreeItemId next = GetNextSibling( m_current );
+ if (next == 0)
+ {
+ wxTreeItemId current = m_current;
+ while (current && !next)
+ {
+ current = GetParent( current );
+ if (current) next = GetNextSibling( current );
+ }
+ }
+ if (next != 0)
+ {
+ SelectItem( next );
+ 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 );
+ }
+ }
+ break;
+
+ // <Home> selects the root item
+ case WXK_HOME:
+ {
+ wxTreeItemId prev = GetRootItem();
+ if (prev)
+ {
+ EnsureVisible( prev );
+ SelectItem( prev );
+ }
+ }
+ break;
+
+ default:
+ event.Skip();
}
- }
- event.Skip();
+}
+
+wxTreeItemId wxTreeCtrl::HitTest(const wxPoint& point, int& WXUNUSED(flags))
+{
+ bool onButton = FALSE;
+ return m_anchor->HitTest( point, onButton );
}
void wxTreeCtrl::OnMouse( wxMouseEvent &event )
{
- if ( !(event.LeftDown() || event.LeftDClick()) )
- return;
+ if (!event.LeftIsDown()) m_dragCount = 0;
- if ( !m_anchor )
- return;
+ if ( !(event.LeftDown() || 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() );
- if (!IsSelected(item)) SelectItem(item);
+ bool onButton = FALSE;
+ wxGenericTreeItem *item = m_anchor->HitTest( wxPoint(x,y), onButton );
- if ( event.LeftDClick() )
- {
- wxTreeEvent event( wxEVT_COMMAND_TREE_KEY_DOWN, GetId() );
- event.m_item = item;
- event.m_code = 0;
- event.SetEventObject( this );
- GetEventHandler()->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;
+ }
+
+ if (!IsSelected(item)) SelectItem(item); /* we dont support multiple selections, BTW */
+
+ 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 );
+ }
+
+ if (onButton)
+ {
+ Toggle( item );
+ }
}
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();
+
+ AdjustMyScrollbars();
}
// -----------------------------------------------------------------------------
-// -----------------------------------------------------------------------------
-void wxTreeCtrl::CalculateLevel( wxGenericTreeItem *item,
- wxDC &dc,
- int level,
- int &y )
+
+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 );
+ item->SetX( horizX+33 );
+ item->SetY( y-m_lineHeight/3-2 );
+ item->SetHeight( m_lineHeight );
- if ( item->IsExpanded() )
- return;
+ if ( !item->IsExpanded() )
+ {
+ /* we dont need to calculate collapsed branches */
+ return;
+ }
- 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 );
- }
+ 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 ); /* 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 );
+ m_lineHeight = (int)(dc.GetCharHeight() + 4);
- int y = m_lineHeight / 2 + 2;
- CalculateLevel( m_anchor, dc, 0, y );
+ int y = m_lineHeight / 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() - 2 );
+ rect.width = 1000;
+ rect.height = dc.GetCharHeight() + 6;
+
+ Refresh( TRUE, &rect );
}
projects / wxWidgets.git / blobdiff