1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/generic/treectlg.cpp
3 // Purpose: generic tree control implementation
4 // Author: Robert Roebling
6 // Modified: 22/10/98 - almost total rewrite, simpler interface (VZ)
8 // Copyright: (c) 1998 Robert Roebling and Julian Smart
9 // Licence: wxWindows licence
10 /////////////////////////////////////////////////////////////////////////////
12 // =============================================================================
14 // =============================================================================
16 // -----------------------------------------------------------------------------
18 // -----------------------------------------------------------------------------
20 // For compilers that support precompilation, includes "wx.h".
21 #include "wx/wxprec.h"
29 #include "wx/treectrl.h"
32 #include "wx/dcclient.h"
34 #include "wx/settings.h"
35 #include "wx/listbox.h"
36 #include "wx/textctrl.h"
39 #include "wx/generic/treectlg.h"
40 #include "wx/imaglist.h"
42 #include "wx/renderer.h"
45 #include "wx/mac/private.h"
48 // -----------------------------------------------------------------------------
50 // -----------------------------------------------------------------------------
52 class WXDLLEXPORT wxGenericTreeItem
;
54 WX_DEFINE_EXPORTED_ARRAY_PTR(wxGenericTreeItem
*, wxArrayGenericTreeItems
);
56 // ----------------------------------------------------------------------------
58 // ----------------------------------------------------------------------------
60 static const int NO_IMAGE
= -1;
62 static const int PIXELS_PER_UNIT
= 10;
64 // the margin between the item image and the item text
65 static const int MARGIN_BETWEEN_IMAGE_AND_TEXT
= 4;
67 // -----------------------------------------------------------------------------
69 // -----------------------------------------------------------------------------
71 // timer used for enabling in-place edit
72 class WXDLLEXPORT wxTreeRenameTimer
: public wxTimer
75 // start editing the current item after half a second (if the mouse hasn't
76 // been clicked/moved)
79 wxTreeRenameTimer( wxGenericTreeCtrl
*owner
);
81 virtual void Notify();
84 wxGenericTreeCtrl
*m_owner
;
86 DECLARE_NO_COPY_CLASS(wxTreeRenameTimer
)
89 // control used for in-place edit
90 class WXDLLEXPORT wxTreeTextCtrl
: public wxTextCtrl
93 wxTreeTextCtrl(wxGenericTreeCtrl
*owner
, wxGenericTreeItem
*item
);
95 void EndEdit(bool discardChanges
= false)
103 m_aboutToFinish
= true;
105 // Notify the owner about the changes
108 // Even if vetoed, close the control (consistent with MSW)
116 m_owner
->OnRenameCancelled(m_itemEdited
);
118 const wxGenericTreeItem
* item() const { return m_itemEdited
; }
121 void OnChar( wxKeyEvent
&event
);
122 void OnKeyUp( wxKeyEvent
&event
);
123 void OnKillFocus( wxFocusEvent
&event
);
125 bool AcceptChanges();
129 wxGenericTreeCtrl
*m_owner
;
130 wxGenericTreeItem
*m_itemEdited
;
131 wxString m_startValue
;
133 bool m_aboutToFinish
;
135 DECLARE_EVENT_TABLE()
136 DECLARE_NO_COPY_CLASS(wxTreeTextCtrl
)
139 // timer used to clear wxGenericTreeCtrl::m_findPrefix if no key was pressed
140 // for a sufficiently long time
141 class WXDLLEXPORT wxTreeFindTimer
: public wxTimer
144 // reset the current prefix after half a second of inactivity
145 enum { DELAY
= 500 };
147 wxTreeFindTimer( wxGenericTreeCtrl
*owner
) { m_owner
= owner
; }
149 virtual void Notify() { m_owner
->m_findPrefix
.clear(); }
152 wxGenericTreeCtrl
*m_owner
;
154 DECLARE_NO_COPY_CLASS(wxTreeFindTimer
)
158 class WXDLLEXPORT wxGenericTreeItem
162 wxGenericTreeItem() { m_data
= NULL
; }
163 wxGenericTreeItem( wxGenericTreeItem
*parent
,
164 const wxString
& text
,
167 wxTreeItemData
*data
);
169 ~wxGenericTreeItem();
172 wxArrayGenericTreeItems
& GetChildren() { return m_children
; }
174 const wxString
& GetText() const { return m_text
; }
175 int GetImage(wxTreeItemIcon which
= wxTreeItemIcon_Normal
) const
176 { return m_images
[which
]; }
177 wxTreeItemData
*GetData() const { return m_data
; }
179 // returns the current image for the item (depending on its
180 // selected/expanded/whatever state)
181 int GetCurrentImage() const;
183 void SetText( const wxString
&text
);
184 void SetImage(int image
, wxTreeItemIcon which
) { m_images
[which
] = image
; }
185 void SetData(wxTreeItemData
*data
) { m_data
= data
; }
187 void SetHasPlus(bool has
= true) { m_hasPlus
= has
; }
189 void SetBold(bool bold
) { m_isBold
= bold
; }
191 int GetX() const { return m_x
; }
192 int GetY() const { return m_y
; }
194 void SetX(int x
) { m_x
= x
; }
195 void SetY(int y
) { m_y
= y
; }
197 int GetHeight() const { return m_height
; }
198 int GetWidth() const { return m_width
; }
200 void SetHeight(int h
) { m_height
= h
; }
201 void SetWidth(int w
) { m_width
= w
; }
203 wxGenericTreeItem
*GetParent() const { return m_parent
; }
207 // deletes all children notifying the treectrl about it
208 void DeleteChildren(wxGenericTreeCtrl
*tree
);
210 // get count of all children (and grand children if 'recursively')
211 size_t GetChildrenCount(bool recursively
= true) const;
213 void Insert(wxGenericTreeItem
*child
, size_t index
)
214 { m_children
.Insert(child
, index
); }
216 void GetSize( int &x
, int &y
, const wxGenericTreeCtrl
* );
218 // return the item at given position (or NULL if no item), onButton is
219 // true if the point belongs to the item's button, otherwise it lies
220 // on the item's label
221 wxGenericTreeItem
*HitTest( const wxPoint
& point
,
222 const wxGenericTreeCtrl
*,
226 void Expand() { m_isCollapsed
= false; }
227 void Collapse() { m_isCollapsed
= true; }
229 void SetHilight( bool set
= true ) { m_hasHilight
= set
; }
232 bool HasChildren() const { return !m_children
.IsEmpty(); }
233 bool IsSelected() const { return m_hasHilight
!= 0; }
234 bool IsExpanded() const { return !m_isCollapsed
; }
235 bool HasPlus() const { return m_hasPlus
|| HasChildren(); }
236 bool IsBold() const { return m_isBold
!= 0; }
239 // get them - may be NULL
240 wxTreeItemAttr
*GetAttributes() const { return m_attr
; }
241 // get them ensuring that the pointer is not NULL
242 wxTreeItemAttr
& Attr()
246 m_attr
= new wxTreeItemAttr
;
252 void SetAttributes(wxTreeItemAttr
*attr
)
254 if ( m_ownsAttr
) delete m_attr
;
258 // set them and delete when done
259 void AssignAttributes(wxTreeItemAttr
*attr
)
266 // since there can be very many of these, we save size by chosing
267 // the smallest representation for the elements and by ordering
268 // the members to avoid padding.
269 wxString m_text
; // label to be rendered for item
271 wxTreeItemData
*m_data
; // user-provided data
273 wxArrayGenericTreeItems m_children
; // list of children
274 wxGenericTreeItem
*m_parent
; // parent of this item
276 wxTreeItemAttr
*m_attr
; // attributes???
278 // tree ctrl images for the normal, selected, expanded and
279 // expanded+selected states
280 int m_images
[wxTreeItemIcon_Max
];
282 wxCoord m_x
; // (virtual) offset from top
283 wxCoord m_y
; // (virtual) offset from left
284 int m_width
; // width of this item
285 int m_height
; // height of this item
287 // use bitfields to save size
288 unsigned int m_isCollapsed
:1;
289 unsigned int m_hasHilight
:1; // same as focused
290 unsigned int m_hasPlus
:1; // used for item which doesn't have
291 // children but has a [+] button
292 unsigned int m_isBold
:1; // render the label in bold font
293 unsigned int m_ownsAttr
:1; // delete attribute when done
295 DECLARE_NO_COPY_CLASS(wxGenericTreeItem
)
298 // =============================================================================
300 // =============================================================================
302 // ----------------------------------------------------------------------------
304 // ----------------------------------------------------------------------------
306 // translate the key or mouse event flags to the type of selection we're
308 static void EventFlagsToSelType(long style
,
312 bool &extended_select
,
313 bool &unselect_others
)
315 is_multiple
= (style
& wxTR_MULTIPLE
) != 0;
316 extended_select
= shiftDown
&& is_multiple
;
317 unselect_others
= !(extended_select
|| (ctrlDown
&& is_multiple
));
320 // check if the given item is under another one
321 static bool IsDescendantOf(const wxGenericTreeItem
*parent
, const wxGenericTreeItem
*item
)
325 if ( item
== parent
)
327 // item is a descendant of parent
331 item
= item
->GetParent();
337 // -----------------------------------------------------------------------------
338 // wxTreeRenameTimer (internal)
339 // -----------------------------------------------------------------------------
341 wxTreeRenameTimer::wxTreeRenameTimer( wxGenericTreeCtrl
*owner
)
346 void wxTreeRenameTimer::Notify()
348 m_owner
->OnRenameTimer();
351 //-----------------------------------------------------------------------------
352 // wxTreeTextCtrl (internal)
353 //-----------------------------------------------------------------------------
355 BEGIN_EVENT_TABLE(wxTreeTextCtrl
,wxTextCtrl
)
356 EVT_CHAR (wxTreeTextCtrl::OnChar
)
357 EVT_KEY_UP (wxTreeTextCtrl::OnKeyUp
)
358 EVT_KILL_FOCUS (wxTreeTextCtrl::OnKillFocus
)
361 wxTreeTextCtrl::wxTreeTextCtrl(wxGenericTreeCtrl
*owner
,
362 wxGenericTreeItem
*item
)
363 : m_itemEdited(item
), m_startValue(item
->GetText())
367 m_aboutToFinish
= false;
369 int w
= m_itemEdited
->GetWidth(),
370 h
= m_itemEdited
->GetHeight();
373 m_owner
->CalcScrolledPosition(item
->GetX(), item
->GetY(), &x
, &y
);
378 int image
= item
->GetCurrentImage();
379 if ( image
!= NO_IMAGE
)
381 if ( m_owner
->m_imageListNormal
)
383 m_owner
->m_imageListNormal
->GetSize( image
, image_w
, image_h
);
384 image_w
+= MARGIN_BETWEEN_IMAGE_AND_TEXT
;
388 wxFAIL_MSG(_T("you must create an image list to use images!"));
392 // FIXME: what are all these hardcoded 4, 8 and 11s really?
396 wxSize bs
= DoGetBestSize() ;
397 // edit control height
400 int diff
= h
- ( bs
.y
- 8 ) ;
406 (void)Create(m_owner
, wxID_ANY
, m_startValue
,
407 wxPoint(x
- 4, y
- 4), wxSize(w
+ 11, h
+ 8));
410 bool wxTreeTextCtrl::AcceptChanges()
412 const wxString value
= GetValue();
414 if ( value
== m_startValue
)
416 // nothing changed, always accept
417 // when an item remains unchanged, the owner
418 // needs to be notified that the user decided
419 // not to change the tree item label, and that
420 // the edit has been cancelled
422 m_owner
->OnRenameCancelled(m_itemEdited
);
426 if ( !m_owner
->OnRenameAccept(m_itemEdited
, value
) )
428 // vetoed by the user
432 // accepted, do rename the item
433 m_owner
->SetItemText(m_itemEdited
, value
);
438 void wxTreeTextCtrl::Finish()
442 m_owner
->ResetTextControl();
444 wxPendingDelete
.Append(this);
452 void wxTreeTextCtrl::OnChar( wxKeyEvent
&event
)
454 switch ( event
.m_keyCode
)
469 void wxTreeTextCtrl::OnKeyUp( wxKeyEvent
&event
)
473 // auto-grow the textctrl:
474 wxSize parentSize
= m_owner
->GetSize();
475 wxPoint myPos
= GetPosition();
476 wxSize mySize
= GetSize();
478 GetTextExtent(GetValue() + _T("M"), &sx
, &sy
);
479 if (myPos
.x
+ sx
> parentSize
.x
)
480 sx
= parentSize
.x
- myPos
.x
;
483 SetSize(sx
, wxDefaultCoord
);
489 void wxTreeTextCtrl::OnKillFocus( wxFocusEvent
&event
)
491 if ( !m_finished
&& !m_aboutToFinish
)
493 // We must finish regardless of success, otherwise we'll get
497 if ( !AcceptChanges() )
498 m_owner
->OnRenameCancelled( m_itemEdited
);
501 // We must let the native text control handle focus, too, otherwise
502 // it could have problems with the cursor (e.g., in wxGTK).
506 // -----------------------------------------------------------------------------
508 // -----------------------------------------------------------------------------
510 wxGenericTreeItem::wxGenericTreeItem(wxGenericTreeItem
*parent
,
511 const wxString
& text
,
512 int image
, int selImage
,
513 wxTreeItemData
*data
)
516 m_images
[wxTreeItemIcon_Normal
] = image
;
517 m_images
[wxTreeItemIcon_Selected
] = selImage
;
518 m_images
[wxTreeItemIcon_Expanded
] = NO_IMAGE
;
519 m_images
[wxTreeItemIcon_SelectedExpanded
] = NO_IMAGE
;
524 m_isCollapsed
= true;
525 m_hasHilight
= false;
531 m_attr
= (wxTreeItemAttr
*)NULL
;
534 // We don't know the height here yet.
539 wxGenericTreeItem::~wxGenericTreeItem()
543 if (m_ownsAttr
) delete m_attr
;
545 wxASSERT_MSG( m_children
.IsEmpty(),
546 wxT("please call DeleteChildren() before deleting the item") );
549 void wxGenericTreeItem::DeleteChildren(wxGenericTreeCtrl
*tree
)
551 size_t count
= m_children
.Count();
552 for ( size_t n
= 0; n
< count
; n
++ )
554 wxGenericTreeItem
*child
= m_children
[n
];
555 tree
->SendDeleteEvent(child
);
557 child
->DeleteChildren(tree
);
558 if ( child
== tree
->m_select_me
)
559 tree
->m_select_me
= NULL
;
566 void wxGenericTreeItem::SetText( const wxString
&text
)
571 size_t wxGenericTreeItem::GetChildrenCount(bool recursively
) const
573 size_t count
= m_children
.Count();
577 size_t total
= count
;
578 for (size_t n
= 0; n
< count
; ++n
)
580 total
+= m_children
[n
]->GetChildrenCount();
586 void wxGenericTreeItem::GetSize( int &x
, int &y
,
587 const wxGenericTreeCtrl
*theButton
)
589 int bottomY
=m_y
+theButton
->GetLineHeight(this);
590 if ( y
< bottomY
) y
= bottomY
;
591 int width
= m_x
+ m_width
;
592 if ( x
< width
) x
= width
;
596 size_t count
= m_children
.Count();
597 for ( size_t n
= 0; n
< count
; ++n
)
599 m_children
[n
]->GetSize( x
, y
, theButton
);
604 wxGenericTreeItem
*wxGenericTreeItem::HitTest(const wxPoint
& point
,
605 const wxGenericTreeCtrl
*theCtrl
,
609 // for a hidden root node, don't evaluate it, but do evaluate children
610 if ( !(level
== 0 && theCtrl
->HasFlag(wxTR_HIDE_ROOT
)) )
613 int h
= theCtrl
->GetLineHeight(this);
614 if ((point
.y
> m_y
) && (point
.y
< m_y
+ h
))
616 int y_mid
= m_y
+ h
/2;
617 if (point
.y
< y_mid
)
618 flags
|= wxTREE_HITTEST_ONITEMUPPERPART
;
620 flags
|= wxTREE_HITTEST_ONITEMLOWERPART
;
622 int xCross
= m_x
- theCtrl
->GetSpacing();
624 // according to the drawing code the triangels are drawn
625 // at -4 , -4 from the position up to +10/+10 max
626 if ((point
.x
> xCross
-4) && (point
.x
< xCross
+10) &&
627 (point
.y
> y_mid
-4) && (point
.y
< y_mid
+10) &&
628 HasPlus() && theCtrl
->HasButtons() )
630 // 5 is the size of the plus sign
631 if ((point
.x
> xCross
-6) && (point
.x
< xCross
+6) &&
632 (point
.y
> y_mid
-6) && (point
.y
< y_mid
+6) &&
633 HasPlus() && theCtrl
->HasButtons() )
636 flags
|= wxTREE_HITTEST_ONITEMBUTTON
;
640 if ((point
.x
>= m_x
) && (point
.x
<= m_x
+m_width
))
645 // assuming every image (normal and selected) has the same size!
646 if ( (GetImage() != NO_IMAGE
) && theCtrl
->m_imageListNormal
)
647 theCtrl
->m_imageListNormal
->GetSize(GetImage(),
650 if ((image_w
!= -1) && (point
.x
<= m_x
+ image_w
+ 1))
651 flags
|= wxTREE_HITTEST_ONITEMICON
;
653 flags
|= wxTREE_HITTEST_ONITEMLABEL
;
659 flags
|= wxTREE_HITTEST_ONITEMINDENT
;
660 if (point
.x
> m_x
+m_width
)
661 flags
|= wxTREE_HITTEST_ONITEMRIGHT
;
666 // if children are expanded, fall through to evaluate them
667 if (m_isCollapsed
) return (wxGenericTreeItem
*) NULL
;
671 size_t count
= m_children
.Count();
672 for ( size_t n
= 0; n
< count
; n
++ )
674 wxGenericTreeItem
*res
= m_children
[n
]->HitTest( point
,
682 return (wxGenericTreeItem
*) NULL
;
685 int wxGenericTreeItem::GetCurrentImage() const
687 int image
= NO_IMAGE
;
692 image
= GetImage(wxTreeItemIcon_SelectedExpanded
);
695 if ( image
== NO_IMAGE
)
697 // we usually fall back to the normal item, but try just the
698 // expanded one (and not selected) first in this case
699 image
= GetImage(wxTreeItemIcon_Expanded
);
705 image
= GetImage(wxTreeItemIcon_Selected
);
708 // maybe it doesn't have the specific image we want,
709 // try the default one instead
710 if ( image
== NO_IMAGE
) image
= GetImage();
715 // -----------------------------------------------------------------------------
716 // wxGenericTreeCtrl implementation
717 // -----------------------------------------------------------------------------
719 IMPLEMENT_DYNAMIC_CLASS(wxGenericTreeCtrl
, wxControl
)
721 BEGIN_EVENT_TABLE(wxGenericTreeCtrl
, wxTreeCtrlBase
)
722 EVT_PAINT (wxGenericTreeCtrl::OnPaint
)
723 EVT_MOUSE_EVENTS (wxGenericTreeCtrl::OnMouse
)
724 EVT_CHAR (wxGenericTreeCtrl::OnChar
)
725 EVT_SET_FOCUS (wxGenericTreeCtrl::OnSetFocus
)
726 EVT_KILL_FOCUS (wxGenericTreeCtrl::OnKillFocus
)
727 EVT_TREE_ITEM_GETTOOLTIP(wxID_ANY
, wxGenericTreeCtrl::OnGetToolTip
)
730 #if !defined(__WXMSW__) || defined(__WXUNIVERSAL__)
732 * wxTreeCtrl has to be a real class or we have problems with
733 * the run-time information.
736 IMPLEMENT_DYNAMIC_CLASS(wxTreeCtrl
, wxGenericTreeCtrl
)
739 // -----------------------------------------------------------------------------
740 // construction/destruction
741 // -----------------------------------------------------------------------------
743 void wxGenericTreeCtrl::Init()
748 m_select_me
= (wxGenericTreeItem
*) NULL
;
756 m_hilightBrush
= new wxBrush
758 wxSystemSettings::GetColour
760 wxSYS_COLOUR_HIGHLIGHT
765 m_hilightUnfocusedBrush
= new wxBrush
767 wxSystemSettings::GetColour
769 wxSYS_COLOUR_BTNSHADOW
774 m_imageListButtons
= NULL
;
775 m_ownsImageListButtons
= false;
778 m_isDragging
= false;
779 m_dropTarget
= m_oldSelection
= NULL
;
783 m_renameTimer
= NULL
;
788 m_dropEffectAboveItem
= false;
790 m_lastOnSame
= false;
792 #ifdef __WXMAC_CARBON__
793 m_normalFont
.MacCreateThemeFont( kThemeViewsFont
) ;
795 m_normalFont
= wxSystemSettings::GetFont( wxSYS_DEFAULT_GUI_FONT
);
797 m_boldFont
= wxFont(m_normalFont
.GetPointSize(),
798 m_normalFont
.GetFamily(),
799 m_normalFont
.GetStyle(),
801 m_normalFont
.GetUnderlined(),
802 m_normalFont
.GetFaceName(),
803 m_normalFont
.GetEncoding());
806 bool wxGenericTreeCtrl::Create(wxWindow
*parent
,
811 const wxValidator
& validator
,
812 const wxString
& name
)
816 wxGetOsVersion( &major
, &minor
);
818 style
&= ~wxTR_LINES_AT_ROOT
;
819 style
|= wxTR_NO_LINES
;
821 style
|= wxTR_ROW_LINES
;
824 if ( !wxControl::Create( parent
, id
, pos
, size
,
825 style
|wxHSCROLL
|wxVSCROLL
,
830 // If the tree display has no buttons, but does have
831 // connecting lines, we can use a narrower layout.
832 // It may not be a good idea to force this...
833 if (!HasButtons() && !HasFlag(wxTR_NO_LINES
))
839 wxVisualAttributes attr
= GetDefaultAttributes();
840 SetOwnForegroundColour( attr
.colFg
);
841 SetOwnBackgroundColour( attr
.colBg
);
843 SetOwnFont(attr
.font
);
845 m_dottedPen
= wxPen( wxT("grey"), 0, 0 );
852 wxGenericTreeCtrl::~wxGenericTreeCtrl()
854 delete m_hilightBrush
;
855 delete m_hilightUnfocusedBrush
;
859 delete m_renameTimer
;
862 if (m_ownsImageListButtons
)
863 delete m_imageListButtons
;
866 // -----------------------------------------------------------------------------
868 // -----------------------------------------------------------------------------
870 unsigned int wxGenericTreeCtrl::GetCount() const
878 unsigned int count
= m_anchor
->GetChildrenCount();
879 if ( !HasFlag(wxTR_HIDE_ROOT
) )
881 // take the root itself into account
888 void wxGenericTreeCtrl::SetIndent(unsigned int indent
)
890 m_indent
= (unsigned short) indent
;
895 wxGenericTreeCtrl::GetChildrenCount(const wxTreeItemId
& item
,
896 bool recursively
) const
898 wxCHECK_MSG( item
.IsOk(), 0u, wxT("invalid tree item") );
900 return ((wxGenericTreeItem
*) item
.m_pItem
)->GetChildrenCount(recursively
);
903 void wxGenericTreeCtrl::SetWindowStyle(const long styles
)
905 // Do not try to expand the root node if it hasn't been created yet
906 if (m_anchor
&& !HasFlag(wxTR_HIDE_ROOT
) && (styles
& wxTR_HIDE_ROOT
))
908 // if we will hide the root, make sure children are visible
909 m_anchor
->SetHasPlus();
911 CalculatePositions();
914 // right now, just sets the styles. Eventually, we may
915 // want to update the inherited styles, but right now
916 // none of the parents has updatable styles
917 m_windowStyle
= styles
;
921 // -----------------------------------------------------------------------------
922 // functions to work with tree items
923 // -----------------------------------------------------------------------------
925 wxString
wxGenericTreeCtrl::GetItemText(const wxTreeItemId
& item
) const
927 wxCHECK_MSG( item
.IsOk(), wxEmptyString
, wxT("invalid tree item") );
929 return ((wxGenericTreeItem
*) item
.m_pItem
)->GetText();
932 int wxGenericTreeCtrl::GetItemImage(const wxTreeItemId
& item
,
933 wxTreeItemIcon which
) const
935 wxCHECK_MSG( item
.IsOk(), -1, wxT("invalid tree item") );
937 return ((wxGenericTreeItem
*) item
.m_pItem
)->GetImage(which
);
940 wxTreeItemData
*wxGenericTreeCtrl::GetItemData(const wxTreeItemId
& item
) const
942 wxCHECK_MSG( item
.IsOk(), NULL
, wxT("invalid tree item") );
944 return ((wxGenericTreeItem
*) item
.m_pItem
)->GetData();
947 wxColour
wxGenericTreeCtrl::GetItemTextColour(const wxTreeItemId
& item
) const
949 wxCHECK_MSG( item
.IsOk(), wxNullColour
, wxT("invalid tree item") );
951 wxGenericTreeItem
*pItem
= (wxGenericTreeItem
*) item
.m_pItem
;
952 return pItem
->Attr().GetTextColour();
955 wxColour
wxGenericTreeCtrl::GetItemBackgroundColour(const wxTreeItemId
& item
) const
957 wxCHECK_MSG( item
.IsOk(), wxNullColour
, wxT("invalid tree item") );
959 wxGenericTreeItem
*pItem
= (wxGenericTreeItem
*) item
.m_pItem
;
960 return pItem
->Attr().GetBackgroundColour();
963 wxFont
wxGenericTreeCtrl::GetItemFont(const wxTreeItemId
& item
) const
965 wxCHECK_MSG( item
.IsOk(), wxNullFont
, wxT("invalid tree item") );
967 wxGenericTreeItem
*pItem
= (wxGenericTreeItem
*) item
.m_pItem
;
968 return pItem
->Attr().GetFont();
971 void wxGenericTreeCtrl::SetItemText(const wxTreeItemId
& item
, const wxString
& text
)
973 wxCHECK_RET( item
.IsOk(), wxT("invalid tree item") );
976 wxGenericTreeItem
*pItem
= (wxGenericTreeItem
*) item
.m_pItem
;
977 pItem
->SetText(text
);
978 CalculateSize(pItem
, dc
);
982 void wxGenericTreeCtrl::SetItemImage(const wxTreeItemId
& item
,
984 wxTreeItemIcon which
)
986 wxCHECK_RET( item
.IsOk(), wxT("invalid tree item") );
988 wxGenericTreeItem
*pItem
= (wxGenericTreeItem
*) item
.m_pItem
;
989 pItem
->SetImage(image
, which
);
992 CalculateSize(pItem
, dc
);
996 void wxGenericTreeCtrl::SetItemData(const wxTreeItemId
& item
, wxTreeItemData
*data
)
998 wxCHECK_RET( item
.IsOk(), wxT("invalid tree item") );
1001 data
->SetId( item
);
1003 ((wxGenericTreeItem
*) item
.m_pItem
)->SetData(data
);
1006 void wxGenericTreeCtrl::SetItemHasChildren(const wxTreeItemId
& item
, bool has
)
1008 wxCHECK_RET( item
.IsOk(), wxT("invalid tree item") );
1010 wxGenericTreeItem
*pItem
= (wxGenericTreeItem
*) item
.m_pItem
;
1011 pItem
->SetHasPlus(has
);
1015 void wxGenericTreeCtrl::SetItemBold(const wxTreeItemId
& item
, bool bold
)
1017 wxCHECK_RET( item
.IsOk(), wxT("invalid tree item") );
1019 // avoid redrawing the tree if no real change
1020 wxGenericTreeItem
*pItem
= (wxGenericTreeItem
*) item
.m_pItem
;
1021 if ( pItem
->IsBold() != bold
)
1023 pItem
->SetBold(bold
);
1025 // recalculate the item size as bold and non bold fonts have different
1027 wxClientDC
dc(this);
1028 CalculateSize(pItem
, dc
);
1034 void wxGenericTreeCtrl::SetItemDropHighlight(const wxTreeItemId
& item
,
1037 wxCHECK_RET( item
.IsOk(), wxT("invalid tree item") );
1043 bg
= wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT
);
1044 fg
= wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT
);
1047 wxGenericTreeItem
*pItem
= (wxGenericTreeItem
*) item
.m_pItem
;
1048 pItem
->Attr().SetTextColour(fg
);
1049 pItem
->Attr().SetBackgroundColour(bg
);
1053 void wxGenericTreeCtrl::SetItemTextColour(const wxTreeItemId
& item
,
1054 const wxColour
& col
)
1056 wxCHECK_RET( item
.IsOk(), wxT("invalid tree item") );
1058 wxGenericTreeItem
*pItem
= (wxGenericTreeItem
*) item
.m_pItem
;
1059 pItem
->Attr().SetTextColour(col
);
1063 void wxGenericTreeCtrl::SetItemBackgroundColour(const wxTreeItemId
& item
,
1064 const wxColour
& col
)
1066 wxCHECK_RET( item
.IsOk(), wxT("invalid tree item") );
1068 wxGenericTreeItem
*pItem
= (wxGenericTreeItem
*) item
.m_pItem
;
1069 pItem
->Attr().SetBackgroundColour(col
);
1073 void wxGenericTreeCtrl::SetItemFont(const wxTreeItemId
& item
, const wxFont
& font
)
1075 wxCHECK_RET( item
.IsOk(), wxT("invalid tree item") );
1077 wxGenericTreeItem
*pItem
= (wxGenericTreeItem
*) item
.m_pItem
;
1078 pItem
->Attr().SetFont(font
);
1082 bool wxGenericTreeCtrl::SetFont( const wxFont
&font
)
1084 wxTreeCtrlBase::SetFont(font
);
1086 m_normalFont
= font
;
1087 m_boldFont
= wxFont(m_normalFont
.GetPointSize(),
1088 m_normalFont
.GetFamily(),
1089 m_normalFont
.GetStyle(),
1091 m_normalFont
.GetUnderlined(),
1092 m_normalFont
.GetFaceName(),
1093 m_normalFont
.GetEncoding());
1099 // -----------------------------------------------------------------------------
1100 // item status inquiries
1101 // -----------------------------------------------------------------------------
1103 bool wxGenericTreeCtrl::IsVisible(const wxTreeItemId
& item
) const
1105 wxCHECK_MSG( item
.IsOk(), false, wxT("invalid tree item") );
1107 // An item is only visible if it's not a descendant of a collapsed item
1108 wxGenericTreeItem
*pItem
= (wxGenericTreeItem
*) item
.m_pItem
;
1109 wxGenericTreeItem
* parent
= pItem
->GetParent();
1112 if (!parent
->IsExpanded())
1114 parent
= parent
->GetParent();
1118 GetViewStart(& startX
, & startY
);
1120 wxSize clientSize
= GetClientSize();
1123 if (!GetBoundingRect(item
, rect
))
1125 if (rect
.GetWidth() == 0 || rect
.GetHeight() == 0)
1127 if (rect
.GetBottom() < 0 || rect
.GetTop() > clientSize
.y
)
1129 if (rect
.GetRight() < 0 || rect
.GetLeft() > clientSize
.x
)
1135 bool wxGenericTreeCtrl::ItemHasChildren(const wxTreeItemId
& item
) const
1137 wxCHECK_MSG( item
.IsOk(), false, wxT("invalid tree item") );
1139 // consider that the item does have children if it has the "+" button: it
1140 // might not have them (if it had never been expanded yet) but then it
1141 // could have them as well and it's better to err on this side rather than
1142 // disabling some operations which are restricted to the items with
1143 // children for an item which does have them
1144 return ((wxGenericTreeItem
*) item
.m_pItem
)->HasPlus();
1147 bool wxGenericTreeCtrl::IsExpanded(const wxTreeItemId
& item
) const
1149 wxCHECK_MSG( item
.IsOk(), false, wxT("invalid tree item") );
1151 return ((wxGenericTreeItem
*) item
.m_pItem
)->IsExpanded();
1154 bool wxGenericTreeCtrl::IsSelected(const wxTreeItemId
& item
) const
1156 wxCHECK_MSG( item
.IsOk(), false, wxT("invalid tree item") );
1158 return ((wxGenericTreeItem
*) item
.m_pItem
)->IsSelected();
1161 bool wxGenericTreeCtrl::IsBold(const wxTreeItemId
& item
) const
1163 wxCHECK_MSG( item
.IsOk(), false, wxT("invalid tree item") );
1165 return ((wxGenericTreeItem
*) item
.m_pItem
)->IsBold();
1168 // -----------------------------------------------------------------------------
1170 // -----------------------------------------------------------------------------
1172 wxTreeItemId
wxGenericTreeCtrl::GetItemParent(const wxTreeItemId
& item
) const
1174 wxCHECK_MSG( item
.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
1176 return ((wxGenericTreeItem
*) item
.m_pItem
)->GetParent();
1179 wxTreeItemId
wxGenericTreeCtrl::GetFirstChild(const wxTreeItemId
& item
,
1180 wxTreeItemIdValue
& cookie
) const
1182 wxCHECK_MSG( item
.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
1185 return GetNextChild(item
, cookie
);
1188 wxTreeItemId
wxGenericTreeCtrl::GetNextChild(const wxTreeItemId
& item
,
1189 wxTreeItemIdValue
& cookie
) const
1191 wxCHECK_MSG( item
.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
1193 wxArrayGenericTreeItems
& children
= ((wxGenericTreeItem
*) item
.m_pItem
)->GetChildren();
1195 // it's ok to cast cookie to size_t, we never have indices big enough to
1196 // overflow "void *"
1197 size_t *pIndex
= (size_t *)&cookie
;
1198 if ( *pIndex
< children
.Count() )
1200 return children
.Item((*pIndex
)++);
1204 // there are no more of them
1205 return wxTreeItemId();
1209 #if WXWIN_COMPATIBILITY_2_4
1211 wxTreeItemId
wxGenericTreeCtrl::GetFirstChild(const wxTreeItemId
& item
,
1214 wxCHECK_MSG( item
.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
1217 return GetNextChild(item
, cookie
);
1220 wxTreeItemId
wxGenericTreeCtrl::GetNextChild(const wxTreeItemId
& item
,
1223 wxCHECK_MSG( item
.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
1225 wxArrayGenericTreeItems
& children
= ((wxGenericTreeItem
*) item
.m_pItem
)->GetChildren();
1226 if ( (size_t)cookie
< children
.Count() )
1228 return children
.Item((size_t)cookie
++);
1232 // there are no more of them
1233 return wxTreeItemId();
1237 #endif // WXWIN_COMPATIBILITY_2_4
1239 wxTreeItemId
wxGenericTreeCtrl::GetLastChild(const wxTreeItemId
& item
) const
1241 wxCHECK_MSG( item
.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
1243 wxArrayGenericTreeItems
& children
= ((wxGenericTreeItem
*) item
.m_pItem
)->GetChildren();
1244 return (children
.IsEmpty() ? wxTreeItemId() : wxTreeItemId(children
.Last()));
1247 wxTreeItemId
wxGenericTreeCtrl::GetNextSibling(const wxTreeItemId
& item
) const
1249 wxCHECK_MSG( item
.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
1251 wxGenericTreeItem
*i
= (wxGenericTreeItem
*) item
.m_pItem
;
1252 wxGenericTreeItem
*parent
= i
->GetParent();
1253 if ( parent
== NULL
)
1255 // root item doesn't have any siblings
1256 return wxTreeItemId();
1259 wxArrayGenericTreeItems
& siblings
= parent
->GetChildren();
1260 int index
= siblings
.Index(i
);
1261 wxASSERT( index
!= wxNOT_FOUND
); // I'm not a child of my parent?
1263 size_t n
= (size_t)(index
+ 1);
1264 return n
== siblings
.Count() ? wxTreeItemId() : wxTreeItemId(siblings
[n
]);
1267 wxTreeItemId
wxGenericTreeCtrl::GetPrevSibling(const wxTreeItemId
& item
) const
1269 wxCHECK_MSG( item
.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
1271 wxGenericTreeItem
*i
= (wxGenericTreeItem
*) item
.m_pItem
;
1272 wxGenericTreeItem
*parent
= i
->GetParent();
1273 if ( parent
== NULL
)
1275 // root item doesn't have any siblings
1276 return wxTreeItemId();
1279 wxArrayGenericTreeItems
& siblings
= parent
->GetChildren();
1280 int index
= siblings
.Index(i
);
1281 wxASSERT( index
!= wxNOT_FOUND
); // I'm not a child of my parent?
1283 return index
== 0 ? wxTreeItemId()
1284 : wxTreeItemId(siblings
[(size_t)(index
- 1)]);
1287 // Only for internal use right now, but should probably be public
1288 wxTreeItemId
wxGenericTreeCtrl::GetNext(const wxTreeItemId
& item
) const
1290 wxCHECK_MSG( item
.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
1292 wxGenericTreeItem
*i
= (wxGenericTreeItem
*) item
.m_pItem
;
1294 // First see if there are any children.
1295 wxArrayGenericTreeItems
& children
= i
->GetChildren();
1296 if (children
.GetCount() > 0)
1298 return children
.Item(0);
1302 // Try a sibling of this or ancestor instead
1303 wxTreeItemId p
= item
;
1304 wxTreeItemId toFind
;
1307 toFind
= GetNextSibling(p
);
1308 p
= GetItemParent(p
);
1309 } while (p
.IsOk() && !toFind
.IsOk());
1314 wxTreeItemId
wxGenericTreeCtrl::GetFirstVisibleItem() const
1316 wxTreeItemId id
= GetRootItem();
1325 } while (id
.IsOk());
1327 return wxTreeItemId();
1330 wxTreeItemId
wxGenericTreeCtrl::GetNextVisible(const wxTreeItemId
& item
) const
1332 wxCHECK_MSG( item
.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
1334 wxTreeItemId id
= item
;
1337 while (id
= GetNext(id
), id
.IsOk())
1343 return wxTreeItemId();
1346 wxTreeItemId
wxGenericTreeCtrl::GetPrevVisible(const wxTreeItemId
& item
) const
1348 wxCHECK_MSG( item
.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
1350 wxFAIL_MSG(wxT("not implemented"));
1352 return wxTreeItemId();
1355 // called by wxTextTreeCtrl when it marks itself for deletion
1356 void wxGenericTreeCtrl::ResetTextControl()
1361 // find the first item starting with the given prefix after the given item
1362 wxTreeItemId
wxGenericTreeCtrl::FindItem(const wxTreeItemId
& idParent
,
1363 const wxString
& prefixOrig
) const
1365 // match is case insensitive as this is more convenient to the user: having
1366 // to press Shift-letter to go to the item starting with a capital letter
1367 // would be too bothersome
1368 wxString prefix
= prefixOrig
.Lower();
1370 // determine the starting point: we shouldn't take the current item (this
1371 // allows to switch between two items starting with the same letter just by
1372 // pressing it) but we shouldn't jump to the next one if the user is
1373 // continuing to type as otherwise he might easily skip the item he wanted
1374 wxTreeItemId id
= idParent
;
1375 if ( prefix
.length() == 1 )
1380 // look for the item starting with the given prefix after it
1381 while ( id
.IsOk() && !GetItemText(id
).Lower().StartsWith(prefix
) )
1386 // if we haven't found anything...
1389 // ... wrap to the beginning
1391 if ( HasFlag(wxTR_HIDE_ROOT
) )
1393 // can't select virtual root
1397 // and try all the items (stop when we get to the one we started from)
1398 while (id
.IsOk() && id
!= idParent
&& !GetItemText(id
).Lower().StartsWith(prefix
) )
1402 // If we haven't found the item, id.IsOk() will be false, as per
1409 // -----------------------------------------------------------------------------
1411 // -----------------------------------------------------------------------------
1413 wxTreeItemId
wxGenericTreeCtrl::DoInsertItem(const wxTreeItemId
& parentId
,
1415 const wxString
& text
,
1418 wxTreeItemData
*data
)
1420 wxGenericTreeItem
*parent
= (wxGenericTreeItem
*) parentId
.m_pItem
;
1423 // should we give a warning here?
1424 return AddRoot(text
, image
, selImage
, data
);
1427 m_dirty
= true; // do this first so stuff below doesn't cause flicker
1429 wxGenericTreeItem
*item
=
1430 new wxGenericTreeItem( parent
, text
, image
, selImage
, data
);
1434 data
->m_pItem
= item
;
1437 parent
->Insert( item
, previous
== (size_t)-1 ? parent
->GetChildren().size()
1443 wxTreeItemId
wxGenericTreeCtrl::AddRoot(const wxString
& text
,
1446 wxTreeItemData
*data
)
1448 wxCHECK_MSG( !m_anchor
, wxTreeItemId(), wxT("tree can have only one root") );
1450 m_dirty
= true; // do this first so stuff below doesn't cause flicker
1452 m_anchor
= new wxGenericTreeItem((wxGenericTreeItem
*)NULL
, text
,
1453 image
, selImage
, data
);
1456 data
->m_pItem
= m_anchor
;
1459 if (HasFlag(wxTR_HIDE_ROOT
))
1461 // if root is hidden, make sure we can navigate
1463 m_anchor
->SetHasPlus();
1465 CalculatePositions();
1468 if (!HasFlag(wxTR_MULTIPLE
))
1470 m_current
= m_key_current
= m_anchor
;
1471 m_current
->SetHilight( true );
1477 wxTreeItemId
wxGenericTreeCtrl::DoInsertAfter(const wxTreeItemId
& parentId
,
1478 const wxTreeItemId
& idPrevious
,
1479 const wxString
& text
,
1480 int image
, int selImage
,
1481 wxTreeItemData
*data
)
1483 wxGenericTreeItem
*parent
= (wxGenericTreeItem
*) parentId
.m_pItem
;
1486 // should we give a warning here?
1487 return AddRoot(text
, image
, selImage
, data
);
1491 if (idPrevious
.IsOk())
1493 index
= parent
->GetChildren().Index((wxGenericTreeItem
*) idPrevious
.m_pItem
);
1494 wxASSERT_MSG( index
!= wxNOT_FOUND
,
1495 wxT("previous item in wxGenericTreeCtrl::InsertItem() is not a sibling") );
1498 return DoInsertItem(parentId
, (size_t)++index
, text
, image
, selImage
, data
);
1502 void wxGenericTreeCtrl::SendDeleteEvent(wxGenericTreeItem
*item
)
1504 wxTreeEvent
event(wxEVT_COMMAND_TREE_DELETE_ITEM
, this, item
);
1505 ProcessEvent( event
);
1508 // Don't leave edit or selection on a child which is about to disappear
1509 void wxGenericTreeCtrl::ChildrenClosing(wxGenericTreeItem
* item
)
1511 if (m_textCtrl
!= NULL
&& item
!= m_textCtrl
->item() && IsDescendantOf(item
, m_textCtrl
->item())) {
1512 m_textCtrl
->StopEditing();
1514 if (item
!= m_key_current
&& IsDescendantOf(item
, m_key_current
)) {
1515 m_key_current
= NULL
;
1517 if (IsDescendantOf(item
, m_select_me
)) {
1520 if (item
!= m_current
&& IsDescendantOf(item
, m_current
)) {
1521 m_current
->SetHilight( false );
1527 void wxGenericTreeCtrl::DeleteChildren(const wxTreeItemId
& itemId
)
1529 m_dirty
= true; // do this first so stuff below doesn't cause flicker
1531 wxGenericTreeItem
*item
= (wxGenericTreeItem
*) itemId
.m_pItem
;
1532 ChildrenClosing(item
);
1533 item
->DeleteChildren(this);
1536 void wxGenericTreeCtrl::Delete(const wxTreeItemId
& itemId
)
1538 m_dirty
= true; // do this first so stuff below doesn't cause flicker
1540 wxGenericTreeItem
*item
= (wxGenericTreeItem
*) itemId
.m_pItem
;
1542 if (m_textCtrl
!= NULL
&& IsDescendantOf(item
, m_textCtrl
->item()))
1544 // can't delete the item being edited, cancel editing it first
1545 m_textCtrl
->StopEditing();
1548 wxGenericTreeItem
*parent
= item
->GetParent();
1550 // don't keep stale pointers around!
1551 if ( IsDescendantOf(item
, m_key_current
) )
1553 // Don't silently change the selection:
1554 // do it properly in idle time, so event
1555 // handlers get called.
1557 // m_key_current = parent;
1558 m_key_current
= NULL
;
1561 // m_select_me records whether we need to select
1562 // a different item, in idle time.
1563 if ( m_select_me
&& IsDescendantOf(item
, m_select_me
) )
1565 m_select_me
= parent
;
1568 if ( IsDescendantOf(item
, m_current
) )
1570 // Don't silently change the selection:
1571 // do it properly in idle time, so event
1572 // handlers get called.
1574 // m_current = parent;
1576 m_select_me
= parent
;
1579 // remove the item from the tree
1582 parent
->GetChildren().Remove( item
); // remove by value
1584 else // deleting the root
1586 // nothing will be left in the tree
1590 // and delete all of its children and the item itself now
1591 item
->DeleteChildren(this);
1592 SendDeleteEvent(item
);
1594 if (item
== m_select_me
)
1600 void wxGenericTreeCtrl::DeleteAllItems()
1608 void wxGenericTreeCtrl::Expand(const wxTreeItemId
& itemId
)
1610 wxGenericTreeItem
*item
= (wxGenericTreeItem
*) itemId
.m_pItem
;
1612 wxCHECK_RET( item
, _T("invalid item in wxGenericTreeCtrl::Expand") );
1613 wxCHECK_RET( !HasFlag(wxTR_HIDE_ROOT
) || itemId
!= GetRootItem(),
1614 _T("can't expand hidden root") );
1616 if ( !item
->HasPlus() )
1619 if ( item
->IsExpanded() )
1622 wxTreeEvent
event(wxEVT_COMMAND_TREE_ITEM_EXPANDING
, this, item
);
1624 if ( ProcessEvent( event
) && !event
.IsAllowed() )
1626 // cancelled by program
1631 CalculatePositions();
1633 RefreshSubtree(item
);
1635 event
.SetEventType(wxEVT_COMMAND_TREE_ITEM_EXPANDED
);
1636 ProcessEvent( event
);
1639 void wxGenericTreeCtrl::Collapse(const wxTreeItemId
& itemId
)
1641 wxCHECK_RET( !HasFlag(wxTR_HIDE_ROOT
) || itemId
!= GetRootItem(),
1642 _T("can't collapse hidden root") );
1644 wxGenericTreeItem
*item
= (wxGenericTreeItem
*) itemId
.m_pItem
;
1646 if ( !item
->IsExpanded() )
1649 wxTreeEvent
event(wxEVT_COMMAND_TREE_ITEM_COLLAPSING
, this, item
);
1650 if ( ProcessEvent( event
) && !event
.IsAllowed() )
1652 // cancelled by program
1656 ChildrenClosing(item
);
1659 #if 0 // TODO why should items be collapsed recursively?
1660 wxArrayGenericTreeItems
& children
= item
->GetChildren();
1661 size_t count
= children
.Count();
1662 for ( size_t n
= 0; n
< count
; n
++ )
1664 Collapse(children
[n
]);
1668 CalculatePositions();
1670 RefreshSubtree(item
);
1672 event
.SetEventType(wxEVT_COMMAND_TREE_ITEM_COLLAPSED
);
1673 ProcessEvent( event
);
1676 void wxGenericTreeCtrl::CollapseAndReset(const wxTreeItemId
& item
)
1679 DeleteChildren(item
);
1682 void wxGenericTreeCtrl::Toggle(const wxTreeItemId
& itemId
)
1684 wxGenericTreeItem
*item
= (wxGenericTreeItem
*) itemId
.m_pItem
;
1686 if (item
->IsExpanded())
1692 void wxGenericTreeCtrl::Unselect()
1696 m_current
->SetHilight( false );
1697 RefreshLine( m_current
);
1704 void wxGenericTreeCtrl::UnselectAllChildren(wxGenericTreeItem
*item
)
1706 if (item
->IsSelected())
1708 item
->SetHilight(false);
1712 if (item
->HasChildren())
1714 wxArrayGenericTreeItems
& children
= item
->GetChildren();
1715 size_t count
= children
.Count();
1716 for ( size_t n
= 0; n
< count
; ++n
)
1718 UnselectAllChildren(children
[n
]);
1723 void wxGenericTreeCtrl::UnselectAll()
1725 wxTreeItemId rootItem
= GetRootItem();
1727 // the tree might not have the root item at all
1730 UnselectAllChildren((wxGenericTreeItem
*) rootItem
.m_pItem
);
1734 // Recursive function !
1735 // To stop we must have crt_item<last_item
1737 // Tag all next children, when no more children,
1738 // Move to parent (not to tag)
1739 // Keep going... if we found last_item, we stop.
1740 bool wxGenericTreeCtrl::TagNextChildren(wxGenericTreeItem
*crt_item
, wxGenericTreeItem
*last_item
, bool select
)
1742 wxGenericTreeItem
*parent
= crt_item
->GetParent();
1744 if (parent
== NULL
) // This is root item
1745 return TagAllChildrenUntilLast(crt_item
, last_item
, select
);
1747 wxArrayGenericTreeItems
& children
= parent
->GetChildren();
1748 int index
= children
.Index(crt_item
);
1749 wxASSERT( index
!= wxNOT_FOUND
); // I'm not a child of my parent?
1751 size_t count
= children
.Count();
1752 for (size_t n
=(size_t)(index
+1); n
<count
; ++n
)
1754 if (TagAllChildrenUntilLast(children
[n
], last_item
, select
)) return true;
1757 return TagNextChildren(parent
, last_item
, select
);
1760 bool wxGenericTreeCtrl::TagAllChildrenUntilLast(wxGenericTreeItem
*crt_item
, wxGenericTreeItem
*last_item
, bool select
)
1762 crt_item
->SetHilight(select
);
1763 RefreshLine(crt_item
);
1765 if (crt_item
==last_item
)
1768 if (crt_item
->HasChildren())
1770 wxArrayGenericTreeItems
& children
= crt_item
->GetChildren();
1771 size_t count
= children
.Count();
1772 for ( size_t n
= 0; n
< count
; ++n
)
1774 if (TagAllChildrenUntilLast(children
[n
], last_item
, select
))
1782 void wxGenericTreeCtrl::SelectItemRange(wxGenericTreeItem
*item1
, wxGenericTreeItem
*item2
)
1786 // item2 is not necessary after item1
1787 // choice first' and 'last' between item1 and item2
1788 wxGenericTreeItem
*first
= (item1
->GetY()<item2
->GetY()) ? item1
: item2
;
1789 wxGenericTreeItem
*last
= (item1
->GetY()<item2
->GetY()) ? item2
: item1
;
1791 bool select
= m_current
->IsSelected();
1793 if ( TagAllChildrenUntilLast(first
,last
,select
) )
1796 TagNextChildren(first
,last
,select
);
1799 void wxGenericTreeCtrl::DoSelectItem(const wxTreeItemId
& itemId
,
1800 bool unselect_others
,
1801 bool extended_select
)
1803 wxCHECK_RET( itemId
.IsOk(), wxT("invalid tree item") );
1807 bool is_single
=!(GetWindowStyleFlag() & wxTR_MULTIPLE
);
1808 wxGenericTreeItem
*item
= (wxGenericTreeItem
*) itemId
.m_pItem
;
1810 //wxCHECK_RET( ( (!unselect_others) && is_single),
1811 // wxT("this is a single selection tree") );
1813 // to keep going anyhow !!!
1816 if (item
->IsSelected())
1817 return; // nothing to do
1818 unselect_others
= true;
1819 extended_select
= false;
1821 else if ( unselect_others
&& item
->IsSelected() )
1823 // selection change if there is more than one item currently selected
1824 wxArrayTreeItemIds selected_items
;
1825 if ( GetSelections(selected_items
) == 1 )
1829 wxTreeEvent
event(wxEVT_COMMAND_TREE_SEL_CHANGING
, this, item
);
1830 event
.m_itemOld
= m_current
;
1831 // TODO : Here we don't send any selection mode yet !
1833 if ( GetEventHandler()->ProcessEvent( event
) && !event
.IsAllowed() )
1836 wxTreeItemId parent
= GetItemParent( itemId
);
1837 while (parent
.IsOk())
1839 if (!IsExpanded(parent
))
1842 parent
= GetItemParent( parent
);
1846 if (unselect_others
)
1848 if (is_single
) Unselect(); // to speed up thing
1853 if (extended_select
)
1857 m_current
= m_key_current
= (wxGenericTreeItem
*) GetRootItem().m_pItem
;
1860 // don't change the mark (m_current)
1861 SelectItemRange(m_current
, item
);
1865 bool select
= true; // the default
1867 // Check if we need to toggle hilight (ctrl mode)
1868 if (!unselect_others
)
1869 select
=!item
->IsSelected();
1871 m_current
= m_key_current
= item
;
1872 m_current
->SetHilight(select
);
1873 RefreshLine( m_current
);
1876 // This can cause idle processing to select the root
1877 // if no item is selected, so it must be after the
1879 EnsureVisible( itemId
);
1881 event
.SetEventType(wxEVT_COMMAND_TREE_SEL_CHANGED
);
1882 GetEventHandler()->ProcessEvent( event
);
1885 void wxGenericTreeCtrl::SelectItem(const wxTreeItemId
& itemId
, bool select
)
1889 DoSelectItem(itemId
, !HasFlag(wxTR_MULTIPLE
));
1893 wxGenericTreeItem
*item
= (wxGenericTreeItem
*) itemId
.m_pItem
;
1894 wxCHECK_RET( item
, wxT("SelectItem(): invalid tree item") );
1896 wxTreeEvent
event(wxEVT_COMMAND_TREE_SEL_CHANGING
, this, item
);
1897 if ( GetEventHandler()->ProcessEvent( event
) && !event
.IsAllowed() )
1900 item
->SetHilight(false);
1903 event
.SetEventType(wxEVT_COMMAND_TREE_SEL_CHANGED
);
1904 GetEventHandler()->ProcessEvent( event
);
1908 void wxGenericTreeCtrl::FillArray(wxGenericTreeItem
*item
,
1909 wxArrayTreeItemIds
&array
) const
1911 if ( item
->IsSelected() )
1912 array
.Add(wxTreeItemId(item
));
1914 if ( item
->HasChildren() )
1916 wxArrayGenericTreeItems
& children
= item
->GetChildren();
1917 size_t count
= children
.GetCount();
1918 for ( size_t n
= 0; n
< count
; ++n
)
1919 FillArray(children
[n
], array
);
1923 size_t wxGenericTreeCtrl::GetSelections(wxArrayTreeItemIds
&array
) const
1926 wxTreeItemId idRoot
= GetRootItem();
1927 if ( idRoot
.IsOk() )
1929 FillArray((wxGenericTreeItem
*) idRoot
.m_pItem
, array
);
1931 //else: the tree is empty, so no selections
1933 return array
.Count();
1936 void wxGenericTreeCtrl::EnsureVisible(const wxTreeItemId
& item
)
1938 wxCHECK_RET( item
.IsOk(), wxT("invalid tree item") );
1940 if (!item
.IsOk()) return;
1942 wxGenericTreeItem
*gitem
= (wxGenericTreeItem
*) item
.m_pItem
;
1944 // first expand all parent branches
1945 wxGenericTreeItem
*parent
= gitem
->GetParent();
1947 if ( HasFlag(wxTR_HIDE_ROOT
) )
1949 while ( parent
&& parent
!= m_anchor
)
1952 parent
= parent
->GetParent();
1960 parent
= parent
->GetParent();
1964 //if (parent) CalculatePositions();
1969 void wxGenericTreeCtrl::ScrollTo(const wxTreeItemId
&item
)
1971 if (!item
.IsOk()) return;
1973 // We have to call this here because the label in
1974 // question might just have been added and no screen
1975 // update taken place.
1977 #if defined( __WXMSW__ ) || defined(__WXMAC__)
1980 DoDirtyProcessing();
1982 wxGenericTreeItem
*gitem
= (wxGenericTreeItem
*) item
.m_pItem
;
1984 // now scroll to the item
1985 int item_y
= gitem
->GetY();
1989 GetViewStart( &start_x
, &start_y
);
1990 start_y
*= PIXELS_PER_UNIT
;
1994 GetClientSize( &client_w
, &client_h
);
1996 if (item_y
< start_y
+3)
2001 m_anchor
->GetSize( x
, y
, this );
2002 y
+= PIXELS_PER_UNIT
+2; // one more scrollbar unit + 2 pixels
2003 x
+= PIXELS_PER_UNIT
+2; // one more scrollbar unit + 2 pixels
2004 int x_pos
= GetScrollPos( wxHORIZONTAL
);
2005 // Item should appear at top
2006 SetScrollbars( PIXELS_PER_UNIT
, PIXELS_PER_UNIT
, x
/PIXELS_PER_UNIT
, y
/PIXELS_PER_UNIT
, x_pos
, item_y
/PIXELS_PER_UNIT
);
2008 else if (item_y
+GetLineHeight(gitem
) > start_y
+client_h
)
2013 m_anchor
->GetSize( x
, y
, this );
2014 y
+= PIXELS_PER_UNIT
+2; // one more scrollbar unit + 2 pixels
2015 x
+= PIXELS_PER_UNIT
+2; // one more scrollbar unit + 2 pixels
2016 item_y
+= PIXELS_PER_UNIT
+2;
2017 int x_pos
= GetScrollPos( wxHORIZONTAL
);
2018 // Item should appear at bottom
2019 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
);
2023 // FIXME: tree sorting functions are not reentrant and not MT-safe!
2024 static wxGenericTreeCtrl
*s_treeBeingSorted
= NULL
;
2026 static int LINKAGEMODE
tree_ctrl_compare_func(wxGenericTreeItem
**item1
,
2027 wxGenericTreeItem
**item2
)
2029 wxCHECK_MSG( s_treeBeingSorted
, 0, wxT("bug in wxGenericTreeCtrl::SortChildren()") );
2031 return s_treeBeingSorted
->OnCompareItems(*item1
, *item2
);
2034 void wxGenericTreeCtrl::SortChildren(const wxTreeItemId
& itemId
)
2036 wxCHECK_RET( itemId
.IsOk(), wxT("invalid tree item") );
2038 wxGenericTreeItem
*item
= (wxGenericTreeItem
*) itemId
.m_pItem
;
2040 wxCHECK_RET( !s_treeBeingSorted
,
2041 wxT("wxGenericTreeCtrl::SortChildren is not reentrant") );
2043 wxArrayGenericTreeItems
& children
= item
->GetChildren();
2044 if ( children
.Count() > 1 )
2048 s_treeBeingSorted
= this;
2049 children
.Sort(tree_ctrl_compare_func
);
2050 s_treeBeingSorted
= NULL
;
2052 //else: don't make the tree dirty as nothing changed
2055 void wxGenericTreeCtrl::CalculateLineHeight()
2057 wxClientDC
dc(this);
2058 m_lineHeight
= (int)(dc
.GetCharHeight() + 4);
2060 if ( m_imageListNormal
)
2062 // Calculate a m_lineHeight value from the normal Image sizes.
2063 // May be toggle off. Then wxGenericTreeCtrl will spread when
2064 // necessary (which might look ugly).
2065 int n
= m_imageListNormal
->GetImageCount();
2066 for (int i
= 0; i
< n
; i
++)
2068 int width
= 0, height
= 0;
2069 m_imageListNormal
->GetSize(i
, width
, height
);
2070 if (height
> m_lineHeight
) m_lineHeight
= height
;
2074 if (m_imageListButtons
)
2076 // Calculate a m_lineHeight value from the Button image sizes.
2077 // May be toggle off. Then wxGenericTreeCtrl will spread when
2078 // necessary (which might look ugly).
2079 int n
= m_imageListButtons
->GetImageCount();
2080 for (int i
= 0; i
< n
; i
++)
2082 int width
= 0, height
= 0;
2083 m_imageListButtons
->GetSize(i
, width
, height
);
2084 if (height
> m_lineHeight
) m_lineHeight
= height
;
2088 if (m_lineHeight
< 30)
2089 m_lineHeight
+= 2; // at least 2 pixels
2091 m_lineHeight
+= m_lineHeight
/10; // otherwise 10% extra spacing
2094 void wxGenericTreeCtrl::SetImageList(wxImageList
*imageList
)
2096 if (m_ownsImageListNormal
) delete m_imageListNormal
;
2097 m_imageListNormal
= imageList
;
2098 m_ownsImageListNormal
= false;
2100 // Don't do any drawing if we're setting the list to NULL,
2101 // since we may be in the process of deleting the tree control.
2103 CalculateLineHeight();
2106 void wxGenericTreeCtrl::SetStateImageList(wxImageList
*imageList
)
2108 if (m_ownsImageListState
) delete m_imageListState
;
2109 m_imageListState
= imageList
;
2110 m_ownsImageListState
= false;
2113 void wxGenericTreeCtrl::SetButtonsImageList(wxImageList
*imageList
)
2115 if (m_ownsImageListButtons
) delete m_imageListButtons
;
2116 m_imageListButtons
= imageList
;
2117 m_ownsImageListButtons
= false;
2119 CalculateLineHeight();
2122 void wxGenericTreeCtrl::AssignButtonsImageList(wxImageList
*imageList
)
2124 SetButtonsImageList(imageList
);
2125 m_ownsImageListButtons
= true;
2128 // -----------------------------------------------------------------------------
2130 // -----------------------------------------------------------------------------
2132 void wxGenericTreeCtrl::AdjustMyScrollbars()
2137 m_anchor
->GetSize( x
, y
, this );
2138 y
+= PIXELS_PER_UNIT
+2; // one more scrollbar unit + 2 pixels
2139 x
+= PIXELS_PER_UNIT
+2; // one more scrollbar unit + 2 pixels
2140 int x_pos
= GetScrollPos( wxHORIZONTAL
);
2141 int y_pos
= GetScrollPos( wxVERTICAL
);
2142 SetScrollbars( PIXELS_PER_UNIT
, PIXELS_PER_UNIT
, x
/PIXELS_PER_UNIT
, y
/PIXELS_PER_UNIT
, x_pos
, y_pos
);
2146 SetScrollbars( 0, 0, 0, 0 );
2150 int wxGenericTreeCtrl::GetLineHeight(wxGenericTreeItem
*item
) const
2152 if (GetWindowStyleFlag() & wxTR_HAS_VARIABLE_ROW_HEIGHT
)
2153 return item
->GetHeight();
2155 return m_lineHeight
;
2158 void wxGenericTreeCtrl::PaintItem(wxGenericTreeItem
*item
, wxDC
& dc
)
2160 // TODO implement "state" icon on items
2162 wxTreeItemAttr
*attr
= item
->GetAttributes();
2163 if ( attr
&& attr
->HasFont() )
2164 dc
.SetFont(attr
->GetFont());
2165 else if (item
->IsBold())
2166 dc
.SetFont(m_boldFont
);
2168 long text_w
= 0, text_h
= 0;
2169 dc
.GetTextExtent( item
->GetText(), &text_w
, &text_h
);
2171 int image_h
= 0, image_w
= 0;
2172 int image
= item
->GetCurrentImage();
2173 if ( image
!= NO_IMAGE
)
2175 if ( m_imageListNormal
)
2177 m_imageListNormal
->GetSize( image
, image_w
, image_h
);
2178 image_w
+= MARGIN_BETWEEN_IMAGE_AND_TEXT
;
2186 int total_h
= GetLineHeight(item
);
2187 bool drawItemBackground
= false;
2189 if ( item
->IsSelected() )
2191 // under mac selections are only a rectangle in case they don't have the focus
2195 dc
.SetBrush( *wxTRANSPARENT_BRUSH
) ;
2196 dc
.SetPen( wxPen( wxSystemSettings::GetColour( wxSYS_COLOUR_HIGHLIGHT
) , 1 , wxSOLID
) ) ;
2200 dc
.SetBrush( *m_hilightBrush
) ;
2203 dc
.SetBrush(*(m_hasFocus
? m_hilightBrush
: m_hilightUnfocusedBrush
));
2205 drawItemBackground
= true;
2210 if ( attr
&& attr
->HasBackgroundColour() )
2212 drawItemBackground
= true;
2213 colBg
= attr
->GetBackgroundColour();
2217 colBg
= GetBackgroundColour();
2219 dc
.SetBrush(wxBrush(colBg
, wxSOLID
));
2222 int offset
= HasFlag(wxTR_ROW_LINES
) ? 1 : 0;
2224 if ( HasFlag(wxTR_FULL_ROW_HIGHLIGHT
) )
2228 DoGetPosition(&x
, &y
);
2230 dc
.DrawRectangle(x
, item
->GetY()+offset
, w
, total_h
-offset
);
2234 if ( item
->IsSelected() && image
!= NO_IMAGE
)
2236 // If it's selected, and there's an image, then we should
2237 // take care to leave the area under the image painted in the
2238 // background colour.
2239 dc
.DrawRectangle( item
->GetX() + image_w
- 2, item
->GetY()+offset
,
2240 item
->GetWidth() - image_w
+ 2, total_h
-offset
);
2242 // On GTK+ 2, drawing a 'normal' background is wrong for themes that
2243 // don't allow backgrounds to be customized. Not drawing the background,
2244 // except for custom item backgrounds, works for both kinds of theme.
2245 else if (drawItemBackground
)
2247 dc
.DrawRectangle( item
->GetX()-2, item
->GetY()+offset
,
2248 item
->GetWidth()+2, total_h
-offset
);
2252 if ( image
!= NO_IMAGE
)
2254 dc
.SetClippingRegion( item
->GetX(), item
->GetY(), image_w
-2, total_h
);
2255 m_imageListNormal
->Draw( image
, dc
,
2257 item
->GetY() +((total_h
> image_h
)?((total_h
-image_h
)/2):0),
2258 wxIMAGELIST_DRAW_TRANSPARENT
);
2259 dc
.DestroyClippingRegion();
2262 dc
.SetBackgroundMode(wxTRANSPARENT
);
2263 int extraH
= (total_h
> text_h
) ? (total_h
- text_h
)/2 : 0;
2264 dc
.DrawText( item
->GetText(),
2265 (wxCoord
)(image_w
+ item
->GetX()),
2266 (wxCoord
)(item
->GetY() + extraH
));
2268 // restore normal font
2269 dc
.SetFont( m_normalFont
);
2272 // Now y stands for the top of the item, whereas it used to stand for middle !
2273 void wxGenericTreeCtrl::PaintLevel( wxGenericTreeItem
*item
, wxDC
&dc
, int level
, int &y
)
2275 int x
= level
*m_indent
;
2276 if (!HasFlag(wxTR_HIDE_ROOT
))
2280 else if (level
== 0)
2282 // always expand hidden root
2284 wxArrayGenericTreeItems
& children
= item
->GetChildren();
2285 int count
= children
.Count();
2291 PaintLevel(children
[n
], dc
, 1, y
);
2292 } while (++n
< count
);
2294 if (!HasFlag(wxTR_NO_LINES
) && HasFlag(wxTR_LINES_AT_ROOT
) && count
> 0)
2296 // draw line down to last child
2297 origY
+= GetLineHeight(children
[0])>>1;
2298 oldY
+= GetLineHeight(children
[n
-1])>>1;
2299 dc
.DrawLine(3, origY
, 3, oldY
);
2305 item
->SetX(x
+m_spacing
);
2308 int h
= GetLineHeight(item
);
2310 int y_mid
= y_top
+ (h
>>1);
2313 int exposed_x
= dc
.LogicalToDeviceX(0);
2314 int exposed_y
= dc
.LogicalToDeviceY(y_top
);
2316 if (IsExposed(exposed_x
, exposed_y
, 10000, h
)) // 10000 = very much
2320 // don't draw rect outline if we already have the
2321 // background color under Mac
2322 (item
->IsSelected() && m_hasFocus
) ? wxBLACK_PEN
:
2323 #endif // !__WXMAC__
2327 if ( item
->IsSelected()
2329 // On wxMac, if the tree doesn't have the focus we draw an empty
2330 // rectangle, so we want to make sure that the text is visible
2331 // against the normal background, not the highlightbackground, so
2332 // don't use the highlight text colour unless we have the focus.
2337 colText
= wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT
);
2341 wxTreeItemAttr
*attr
= item
->GetAttributes();
2342 if (attr
&& attr
->HasTextColour())
2343 colText
= attr
->GetTextColour();
2345 colText
= GetForegroundColour();
2349 dc
.SetTextForeground(colText
);
2353 PaintItem(item
, dc
);
2355 if (HasFlag(wxTR_ROW_LINES
))
2357 // if the background colour is white, choose a
2358 // contrasting color for the lines
2359 dc
.SetPen(*((GetBackgroundColour() == *wxWHITE
)
2360 ? wxMEDIUM_GREY_PEN
: wxWHITE_PEN
));
2361 dc
.DrawLine(0, y_top
, 10000, y_top
);
2362 dc
.DrawLine(0, y
, 10000, y
);
2365 // restore DC objects
2366 dc
.SetBrush(*wxWHITE_BRUSH
);
2367 dc
.SetPen(m_dottedPen
);
2368 dc
.SetTextForeground(*wxBLACK
);
2370 if ( !HasFlag(wxTR_NO_LINES
) )
2372 // draw the horizontal line here
2374 if (x
> (signed)m_indent
)
2375 x_start
-= m_indent
;
2376 else if (HasFlag(wxTR_LINES_AT_ROOT
))
2378 dc
.DrawLine(x_start
, y_mid
, x
+ m_spacing
, y_mid
);
2381 // should the item show a button?
2382 if ( item
->HasPlus() && HasButtons() )
2384 if ( m_imageListButtons
)
2386 // draw the image button here
2389 int image
= item
->IsExpanded() ? wxTreeItemIcon_Expanded
2390 : wxTreeItemIcon_Normal
;
2391 if ( item
->IsSelected() )
2392 image
+= wxTreeItemIcon_Selected
- wxTreeItemIcon_Normal
;
2394 m_imageListButtons
->GetSize(image
, image_w
, image_h
);
2395 int xx
= x
- image_w
/2;
2396 int yy
= y_mid
- image_h
/2;
2398 wxDCClipper
clip(dc
, xx
, yy
, image_w
, image_h
);
2399 m_imageListButtons
->Draw(image
, dc
, xx
, yy
,
2400 wxIMAGELIST_DRAW_TRANSPARENT
);
2402 else // no custom buttons
2404 static const int wImage
= 9;
2405 static const int hImage
= 9;
2408 if (item
->IsExpanded())
2409 flag
|= wxCONTROL_EXPANDED
;
2410 if (item
== m_underMouse
)
2411 flag
|= wxCONTROL_CURRENT
;
2413 wxRendererNative::Get().DrawTreeItemButton
2417 wxRect(x
- wImage
/2,
2426 if (item
->IsExpanded())
2428 wxArrayGenericTreeItems
& children
= item
->GetChildren();
2429 int count
= children
.Count();
2436 PaintLevel(children
[n
], dc
, level
, y
);
2437 } while (++n
< count
);
2439 if (!HasFlag(wxTR_NO_LINES
) && count
> 0)
2441 // draw line down to last child
2442 oldY
+= GetLineHeight(children
[n
-1])>>1;
2443 if (HasButtons()) y_mid
+= 5;
2445 // Only draw the portion of the line that is visible, in case it is huge
2446 wxCoord xOrigin
=0, yOrigin
=0, width
, height
;
2447 dc
.GetDeviceOrigin(&xOrigin
, &yOrigin
);
2448 yOrigin
= abs(yOrigin
);
2449 GetClientSize(&width
, &height
);
2451 // Move end points to the begining/end of the view?
2452 if (y_mid
< yOrigin
)
2454 if (oldY
> yOrigin
+ height
)
2455 oldY
= yOrigin
+ height
;
2457 // after the adjustments if y_mid is larger than oldY then the line
2458 // isn't visible at all so don't draw anything
2460 dc
.DrawLine(x
, y_mid
, x
, oldY
);
2466 void wxGenericTreeCtrl::DrawDropEffect(wxGenericTreeItem
*item
)
2470 if ( item
->HasPlus() )
2472 // it's a folder, indicate it by a border
2477 // draw a line under the drop target because the item will be
2479 DrawLine(item
, !m_dropEffectAboveItem
);
2482 SetCursor(wxCURSOR_BULLSEYE
);
2487 SetCursor(wxCURSOR_NO_ENTRY
);
2491 void wxGenericTreeCtrl::DrawBorder(const wxTreeItemId
&item
)
2493 wxCHECK_RET( item
.IsOk(), _T("invalid item in wxGenericTreeCtrl::DrawLine") );
2495 wxGenericTreeItem
*i
= (wxGenericTreeItem
*) item
.m_pItem
;
2497 wxClientDC
dc(this);
2499 dc
.SetLogicalFunction(wxINVERT
);
2500 dc
.SetBrush(*wxTRANSPARENT_BRUSH
);
2502 int w
= i
->GetWidth() + 2;
2503 int h
= GetLineHeight(i
) + 2;
2505 dc
.DrawRectangle( i
->GetX() - 1, i
->GetY() - 1, w
, h
);
2508 void wxGenericTreeCtrl::DrawLine(const wxTreeItemId
&item
, bool below
)
2510 wxCHECK_RET( item
.IsOk(), _T("invalid item in wxGenericTreeCtrl::DrawLine") );
2512 wxGenericTreeItem
*i
= (wxGenericTreeItem
*) item
.m_pItem
;
2514 wxClientDC
dc(this);
2516 dc
.SetLogicalFunction(wxINVERT
);
2522 y
+= GetLineHeight(i
) - 1;
2525 dc
.DrawLine( x
, y
, x
+ i
->GetWidth(), y
);
2528 // -----------------------------------------------------------------------------
2529 // wxWidgets callbacks
2530 // -----------------------------------------------------------------------------
2532 void wxGenericTreeCtrl::OnPaint( wxPaintEvent
&WXUNUSED(event
) )
2540 dc
.SetFont( m_normalFont
);
2541 dc
.SetPen( m_dottedPen
);
2543 // this is now done dynamically
2544 //if(GetImageList() == NULL)
2545 // m_lineHeight = (int)(dc.GetCharHeight() + 4);
2548 PaintLevel( m_anchor
, dc
, 0, y
);
2551 void wxGenericTreeCtrl::OnSetFocus( wxFocusEvent
&event
)
2560 void wxGenericTreeCtrl::OnKillFocus( wxFocusEvent
&event
)
2569 void wxGenericTreeCtrl::OnChar( wxKeyEvent
&event
)
2571 wxTreeEvent
te( wxEVT_COMMAND_TREE_KEY_DOWN
, this);
2572 te
.m_evtKey
= event
;
2573 if ( GetEventHandler()->ProcessEvent( te
) )
2575 // intercepted by the user code
2579 if ( (m_current
== 0) || (m_key_current
== 0) )
2585 // how should the selection work for this event?
2586 bool is_multiple
, extended_select
, unselect_others
;
2587 EventFlagsToSelType(GetWindowStyleFlag(),
2590 is_multiple
, extended_select
, unselect_others
);
2592 if (GetLayoutDirection() == wxLayout_RightToLeft
)
2594 if (event
.GetKeyCode() == WXK_RIGHT
)
2595 event
.m_keyCode
= WXK_LEFT
;
2596 else if (event
.GetKeyCode() == WXK_LEFT
)
2597 event
.m_keyCode
= WXK_RIGHT
;
2602 // * : Expand all/Collapse all
2603 // ' ' | return : activate
2604 // up : go up (not last children!)
2606 // left : go to parent
2607 // right : open if parent and go next
2608 // home : go to root
2609 // end : go to last item without opening parents
2610 // alnum : start or continue searching for the item with this prefix
2611 int keyCode
= event
.GetKeyCode();
2616 if (m_current
->HasPlus() && !IsExpanded(m_current
))
2624 if ( !IsExpanded(m_current
) )
2627 ExpandAllChildren(m_current
);
2630 //else: fall through to Collapse() it
2634 if (IsExpanded(m_current
))
2636 Collapse(m_current
);
2642 // Use the item's bounding rectangle to determine position for the event
2644 GetBoundingRect(m_current
, ItemRect
, true);
2646 wxTreeEvent
eventMenu(wxEVT_COMMAND_TREE_ITEM_MENU
, this, m_current
);
2647 // Use the left edge, vertical middle
2648 eventMenu
.m_pointDrag
= wxPoint(ItemRect
.GetX(),
2649 ItemRect
.GetY() + ItemRect
.GetHeight() / 2);
2650 GetEventHandler()->ProcessEvent( eventMenu
);
2656 if ( !event
.HasModifiers() )
2658 wxTreeEvent
eventAct(wxEVT_COMMAND_TREE_ITEM_ACTIVATED
, this, m_current
);
2659 GetEventHandler()->ProcessEvent( eventAct
);
2662 // in any case, also generate the normal key event for this key,
2663 // even if we generated the ACTIVATED event above: this is what
2664 // wxMSW does and it makes sense because you might not want to
2665 // process ACTIVATED event at all and handle Space and Return
2666 // directly (and differently) which would be impossible otherwise
2670 // up goes to the previous sibling or to the last
2671 // of its children if it's expanded
2674 wxTreeItemId prev
= GetPrevSibling( m_key_current
);
2677 prev
= GetItemParent( m_key_current
);
2678 if ((prev
== GetRootItem()) && HasFlag(wxTR_HIDE_ROOT
))
2680 break; // don't go to root if it is hidden
2684 wxTreeItemIdValue cookie
;
2685 wxTreeItemId current
= m_key_current
;
2686 // TODO: Huh? If we get here, we'd better be the first child of our parent. How else could it be?
2687 if (current
== GetFirstChild( prev
, cookie
))
2689 // otherwise we return to where we came from
2690 DoSelectItem( prev
, unselect_others
, extended_select
);
2691 m_key_current
= (wxGenericTreeItem
*) prev
.m_pItem
;
2698 while ( IsExpanded(prev
) && HasChildren(prev
) )
2700 wxTreeItemId child
= GetLastChild(prev
);
2707 DoSelectItem( prev
, unselect_others
, extended_select
);
2708 m_key_current
=(wxGenericTreeItem
*) prev
.m_pItem
;
2713 // left arrow goes to the parent
2716 wxTreeItemId prev
= GetItemParent( m_current
);
2717 if ((prev
== GetRootItem()) && HasFlag(wxTR_HIDE_ROOT
))
2719 // don't go to root if it is hidden
2720 prev
= GetPrevSibling( m_current
);
2724 DoSelectItem( prev
, unselect_others
, extended_select
);
2730 // this works the same as the down arrow except that we
2731 // also expand the item if it wasn't expanded yet
2737 if (IsExpanded(m_key_current
) && HasChildren(m_key_current
))
2739 wxTreeItemIdValue cookie
;
2740 wxTreeItemId child
= GetFirstChild( m_key_current
, cookie
);
2741 DoSelectItem( child
, unselect_others
, extended_select
);
2742 m_key_current
=(wxGenericTreeItem
*) child
.m_pItem
;
2746 wxTreeItemId next
= GetNextSibling( m_key_current
);
2749 wxTreeItemId current
= m_key_current
;
2750 while (current
.IsOk() && !next
)
2752 current
= GetItemParent( current
);
2753 if (current
) next
= GetNextSibling( current
);
2758 DoSelectItem( next
, unselect_others
, extended_select
);
2759 m_key_current
=(wxGenericTreeItem
*) next
.m_pItem
;
2765 // <End> selects the last visible tree item
2768 wxTreeItemId last
= GetRootItem();
2770 while ( last
.IsOk() && IsExpanded(last
) )
2772 wxTreeItemId lastChild
= GetLastChild(last
);
2774 // it may happen if the item was expanded but then all of
2775 // its children have been deleted - so IsExpanded() returned
2776 // true, but GetLastChild() returned invalid item
2785 DoSelectItem( last
, unselect_others
, extended_select
);
2790 // <Home> selects the root item
2793 wxTreeItemId prev
= GetRootItem();
2797 if ( HasFlag(wxTR_HIDE_ROOT
) )
2799 wxTreeItemIdValue cookie
;
2800 prev
= GetFirstChild(prev
, cookie
);
2805 DoSelectItem( prev
, unselect_others
, extended_select
);
2810 // do not use wxIsalnum() here
2811 if ( !event
.HasModifiers() &&
2812 ((keyCode
>= '0' && keyCode
<= '9') ||
2813 (keyCode
>= 'a' && keyCode
<= 'z') ||
2814 (keyCode
>= 'A' && keyCode
<= 'Z' )))
2816 // find the next item starting with the given prefix
2817 wxChar ch
= (wxChar
)keyCode
;
2819 wxTreeItemId id
= FindItem(m_current
, m_findPrefix
+ ch
);
2830 // also start the timer to reset the current prefix if the user
2831 // doesn't press any more alnum keys soon -- we wouldn't want
2832 // to use this prefix for a new item search
2835 m_findTimer
= new wxTreeFindTimer(this);
2838 m_findTimer
->Start(wxTreeFindTimer::DELAY
, wxTIMER_ONE_SHOT
);
2848 wxGenericTreeCtrl::DoTreeHitTest(const wxPoint
& point
, int& flags
) const
2853 if (point
.x
<0) flags
|= wxTREE_HITTEST_TOLEFT
;
2854 if (point
.x
>w
) flags
|= wxTREE_HITTEST_TORIGHT
;
2855 if (point
.y
<0) flags
|= wxTREE_HITTEST_ABOVE
;
2856 if (point
.y
>h
) flags
|= wxTREE_HITTEST_BELOW
;
2857 if (flags
) return wxTreeItemId();
2859 if (m_anchor
== NULL
)
2861 flags
= wxTREE_HITTEST_NOWHERE
;
2862 return wxTreeItemId();
2865 wxGenericTreeItem
*hit
= m_anchor
->HitTest(CalcUnscrolledPosition(point
),
2869 flags
= wxTREE_HITTEST_NOWHERE
;
2870 return wxTreeItemId();
2875 // get the bounding rectangle of the item (or of its label only)
2876 bool wxGenericTreeCtrl::GetBoundingRect(const wxTreeItemId
& item
,
2878 bool textOnly
) const
2880 wxCHECK_MSG( item
.IsOk(), false, _T("invalid item in wxGenericTreeCtrl::GetBoundingRect") );
2882 wxGenericTreeItem
*i
= (wxGenericTreeItem
*) item
.m_pItem
;
2887 rect
.width
= i
->GetWidth();
2889 if ( m_imageListNormal
)
2891 int image_w
, image_h
;
2892 m_imageListNormal
->GetSize( 0, image_w
, image_h
);
2893 rect
.width
+= image_w
+ MARGIN_BETWEEN_IMAGE_AND_TEXT
;
2896 else // the entire line
2899 rect
.width
= GetClientSize().x
;
2903 rect
.height
= GetLineHeight(i
);
2905 // we have to return the logical coordinates, not physical ones
2906 rect
.SetTopLeft(CalcScrolledPosition(rect
.GetTopLeft()));
2911 wxTextCtrl
*wxGenericTreeCtrl::EditLabel(const wxTreeItemId
& item
,
2912 wxClassInfo
* WXUNUSED(textCtrlClass
))
2914 wxCHECK_MSG( item
.IsOk(), NULL
, _T("can't edit an invalid item") );
2916 wxGenericTreeItem
*itemEdit
= (wxGenericTreeItem
*)item
.m_pItem
;
2918 wxTreeEvent
te(wxEVT_COMMAND_TREE_BEGIN_LABEL_EDIT
, this, itemEdit
);
2919 if ( GetEventHandler()->ProcessEvent( te
) && !te
.IsAllowed() )
2925 // We have to call this here because the label in
2926 // question might just have been added and no screen
2927 // update taken place.
2929 #if defined( __WXMSW__ ) || defined(__WXMAC__)
2932 DoDirtyProcessing();
2935 // TODO: use textCtrlClass here to create the control of correct class
2936 m_textCtrl
= new wxTreeTextCtrl(this, itemEdit
);
2938 m_textCtrl
->SetFocus();
2943 // returns a pointer to the text edit control if the item is being
2944 // edited, NULL otherwise (it's assumed that no more than one item may
2945 // be edited simultaneously)
2946 wxTextCtrl
* wxGenericTreeCtrl::GetEditControl() const
2951 void wxGenericTreeCtrl::EndEditLabel(const wxTreeItemId
& WXUNUSED(item
),
2952 bool discardChanges
)
2954 wxCHECK_RET( m_textCtrl
, _T("not editing label") );
2956 m_textCtrl
->EndEdit(discardChanges
);
2959 bool wxGenericTreeCtrl::OnRenameAccept(wxGenericTreeItem
*item
,
2960 const wxString
& value
)
2962 wxTreeEvent
le(wxEVT_COMMAND_TREE_END_LABEL_EDIT
, this, item
);
2964 le
.m_editCancelled
= false;
2966 return !GetEventHandler()->ProcessEvent( le
) || le
.IsAllowed();
2969 void wxGenericTreeCtrl::OnRenameCancelled(wxGenericTreeItem
*item
)
2971 // let owner know that the edit was cancelled
2972 wxTreeEvent
le(wxEVT_COMMAND_TREE_END_LABEL_EDIT
, this, item
);
2973 le
.m_label
= wxEmptyString
;
2974 le
.m_editCancelled
= true;
2976 GetEventHandler()->ProcessEvent( le
);
2979 void wxGenericTreeCtrl::OnRenameTimer()
2981 EditLabel( m_current
);
2984 void wxGenericTreeCtrl::OnMouse( wxMouseEvent
&event
)
2986 if ( !m_anchor
)return;
2988 wxPoint pt
= CalcUnscrolledPosition(event
.GetPosition());
2990 // Is the mouse over a tree item button?
2992 wxGenericTreeItem
*thisItem
= m_anchor
->HitTest(pt
, this, flags
, 0);
2993 wxGenericTreeItem
*underMouse
= thisItem
;
2995 bool underMouseChanged
= (underMouse
!= m_underMouse
) ;
2996 #endif // wxUSE_TOOLTIPS
2999 (flags
& wxTREE_HITTEST_ONITEMBUTTON
) &&
3000 (!event
.LeftIsDown()) &&
3002 (!m_renameTimer
|| !m_renameTimer
->IsRunning()))
3010 if (underMouse
!= m_underMouse
)
3014 // unhighlight old item
3015 wxGenericTreeItem
*tmp
= m_underMouse
;
3016 m_underMouse
= NULL
;
3020 m_underMouse
= underMouse
;
3022 RefreshLine( m_underMouse
);
3026 // Determines what item we are hovering over and need a tooltip for
3027 wxTreeItemId hoverItem
= thisItem
;
3029 // We do not want a tooltip if we are dragging, or if the rename timer is running
3030 if (underMouseChanged
&& hoverItem
.IsOk() && !m_isDragging
&& (!m_renameTimer
|| !m_renameTimer
->IsRunning()))
3032 // Ask the tree control what tooltip (if any) should be shown
3033 wxTreeEvent
hevent(wxEVT_COMMAND_TREE_ITEM_GETTOOLTIP
, this, hoverItem
);
3035 if ( GetEventHandler()->ProcessEvent(hevent
) && hevent
.IsAllowed() )
3037 SetToolTip(hevent
.m_label
);
3042 // we process left mouse up event (enables in-place edit), middle/right down
3043 // (pass to the user code), left dbl click (activate item) and
3044 // dragging/moving events for items drag-and-drop
3045 if ( !(event
.LeftDown() ||
3047 event
.MiddleDown() ||
3048 event
.RightDown() ||
3049 event
.LeftDClick() ||
3051 ((event
.Moving() || event
.RightUp()) && m_isDragging
)) )
3060 wxGenericTreeItem
*item
= m_anchor
->HitTest(pt
, this, flags
, 0);
3062 if ( event
.Dragging() && !m_isDragging
)
3064 if (m_dragCount
== 0)
3069 if (m_dragCount
!= 3)
3071 // wait until user drags a bit further...
3075 wxEventType command
= event
.RightIsDown()
3076 ? wxEVT_COMMAND_TREE_BEGIN_RDRAG
3077 : wxEVT_COMMAND_TREE_BEGIN_DRAG
;
3079 wxTreeEvent
nevent(command
, this, m_current
);
3080 nevent
.SetPoint(CalcScrolledPosition(pt
));
3082 // by default the dragging is not supported, the user code must
3083 // explicitly allow the event for it to take place
3086 if ( GetEventHandler()->ProcessEvent(nevent
) && nevent
.IsAllowed() )
3088 // we're going to drag this item
3089 m_isDragging
= true;
3091 // remember the old cursor because we will change it while
3093 m_oldCursor
= m_cursor
;
3095 // in a single selection control, hide the selection temporarily
3096 if ( !(GetWindowStyleFlag() & wxTR_MULTIPLE
) )
3098 m_oldSelection
= (wxGenericTreeItem
*) GetSelection().m_pItem
;
3100 if ( m_oldSelection
)
3102 m_oldSelection
->SetHilight(false);
3103 RefreshLine(m_oldSelection
);
3110 else if ( event
.Dragging() )
3112 if ( item
!= m_dropTarget
)
3114 // unhighlight the previous drop target
3115 DrawDropEffect(m_dropTarget
);
3117 m_dropTarget
= item
;
3119 // highlight the current drop target if any
3120 DrawDropEffect(m_dropTarget
);
3122 #if defined(__WXMSW__) || defined(__WXMAC__) || defined(__WXGTK20__)
3129 else if ( (event
.LeftUp() || event
.RightUp()) && m_isDragging
)
3133 // erase the highlighting
3134 DrawDropEffect(m_dropTarget
);
3136 if ( m_oldSelection
)
3138 m_oldSelection
->SetHilight(true);
3139 RefreshLine(m_oldSelection
);
3140 m_oldSelection
= (wxGenericTreeItem
*)NULL
;
3143 // generate the drag end event
3144 wxTreeEvent
eventEndDrag(wxEVT_COMMAND_TREE_END_DRAG
, this, item
);
3146 eventEndDrag
.m_pointDrag
= CalcScrolledPosition(pt
);
3148 (void)GetEventHandler()->ProcessEvent(eventEndDrag
);
3150 m_isDragging
= false;
3151 m_dropTarget
= (wxGenericTreeItem
*)NULL
;
3153 SetCursor(m_oldCursor
);
3155 #if defined( __WXMSW__ ) || defined(__WXMAC__)
3163 // If we got to this point, we are not dragging or moving the mouse.
3164 // Because the code in carbon/toplevel.cpp will only set focus to the tree
3165 // if we skip for EVT_LEFT_DOWN, we MUST skip this event here for focus to work.
3166 // We skip even if we didn't hit an item because we still should
3167 // restore focus to the tree control even if we didn't exactly hit an item.
3168 if ( event
.LeftDown() )
3173 // here we process only the messages which happen on tree items
3177 if (item
== NULL
) return; /* we hit the blank area */
3179 if ( event
.RightDown() )
3181 // If the item is already selected, do not update the selection.
3182 // Multi-selections should not be cleared if a selected item is clicked.
3183 if (!IsSelected(item
))
3185 DoSelectItem(item
, true, false);
3188 wxTreeEvent
nevent(wxEVT_COMMAND_TREE_ITEM_RIGHT_CLICK
, this, item
);
3189 nevent
.m_pointDrag
= CalcScrolledPosition(pt
);
3190 event
.Skip(!GetEventHandler()->ProcessEvent(nevent
));
3192 // Consistent with MSW (for now), send the ITEM_MENU *after*
3193 // the RIGHT_CLICK event. TODO: This behavior may change.
3194 wxTreeEvent
nevent2(wxEVT_COMMAND_TREE_ITEM_MENU
, this, item
);
3195 nevent2
.m_pointDrag
= CalcScrolledPosition(pt
);
3196 GetEventHandler()->ProcessEvent(nevent2
);
3198 else if ( event
.MiddleDown() )
3200 wxTreeEvent
nevent(wxEVT_COMMAND_TREE_ITEM_MIDDLE_CLICK
, this, item
);
3201 nevent
.m_pointDrag
= CalcScrolledPosition(pt
);
3202 event
.Skip(!GetEventHandler()->ProcessEvent(nevent
));
3204 else if ( event
.LeftUp() )
3206 // this facilitates multiple-item drag-and-drop
3208 if ( /* item && */ HasFlag(wxTR_MULTIPLE
))
3210 wxArrayTreeItemIds selections
;
3211 size_t count
= GetSelections(selections
);
3217 DoSelectItem(item
, true, false);
3223 if ( (item
== m_current
) &&
3224 (flags
& wxTREE_HITTEST_ONITEMLABEL
) &&
3225 HasFlag(wxTR_EDIT_LABELS
) )
3227 if ( m_renameTimer
)
3229 if ( m_renameTimer
->IsRunning() )
3230 m_renameTimer
->Stop();
3234 m_renameTimer
= new wxTreeRenameTimer( this );
3237 m_renameTimer
->Start( wxTreeRenameTimer::DELAY
, true );
3240 m_lastOnSame
= false;
3243 else // !RightDown() && !MiddleDown() && !LeftUp() ==> LeftDown() || LeftDClick()
3245 if ( event
.LeftDown() )
3247 m_lastOnSame
= item
== m_current
;
3250 if ( flags
& wxTREE_HITTEST_ONITEMBUTTON
)
3252 // only toggle the item for a single click, double click on
3253 // the button doesn't do anything (it toggles the item twice)
3254 if ( event
.LeftDown() )
3259 // don't select the item if the button was clicked
3264 // clear the previously selected items, if the
3265 // user clicked outside of the present selection.
3266 // otherwise, perform the deselection on mouse-up.
3267 // this allows multiple drag and drop to work.
3268 // but if Cmd is down, toggle selection of the clicked item
3269 if (!IsSelected(item
) || event
.CmdDown())
3271 // how should the selection work for this event?
3272 bool is_multiple
, extended_select
, unselect_others
;
3273 EventFlagsToSelType(GetWindowStyleFlag(),
3276 is_multiple
, extended_select
, unselect_others
);
3278 DoSelectItem(item
, unselect_others
, extended_select
);
3282 // For some reason, Windows isn't recognizing a left double-click,
3283 // so we need to simulate it here. Allow 200 milliseconds for now.
3284 if ( event
.LeftDClick() )
3286 // double clicking should not start editing the item label
3287 if ( m_renameTimer
)
3288 m_renameTimer
->Stop();
3290 m_lastOnSame
= false;
3292 // send activate event first
3293 wxTreeEvent
nevent(wxEVT_COMMAND_TREE_ITEM_ACTIVATED
, this, item
);
3294 nevent
.m_pointDrag
= CalcScrolledPosition(pt
);
3295 if ( !GetEventHandler()->ProcessEvent( nevent
) )
3297 // if the user code didn't process the activate event,
3298 // handle it ourselves by toggling the item when it is
3300 if ( item
->HasPlus() )
3310 void wxGenericTreeCtrl::OnInternalIdle()
3312 wxWindow::OnInternalIdle();
3314 // Check if we need to select the root item
3315 // because nothing else has been selected.
3316 // Delaying it means that we can invoke event handlers
3317 // as required, when a first item is selected.
3318 if (!HasFlag(wxTR_MULTIPLE
) && !GetSelection().IsOk())
3321 SelectItem(m_select_me
);
3322 else if (GetRootItem().IsOk())
3323 SelectItem(GetRootItem());
3326 // after all changes have been done to the tree control,
3327 // actually redraw the tree when everything is over
3329 DoDirtyProcessing();
3332 void wxGenericTreeCtrl::CalculateSize( wxGenericTreeItem
*item
, wxDC
&dc
)
3337 wxTreeItemAttr
*attr
= item
->GetAttributes();
3338 if ( attr
&& attr
->HasFont() )
3339 dc
.SetFont(attr
->GetFont());
3340 else if ( item
->IsBold() )
3341 dc
.SetFont(m_boldFont
);
3343 dc
.SetFont(m_normalFont
);
3345 dc
.GetTextExtent( item
->GetText(), &text_w
, &text_h
);
3348 // restore normal font
3349 dc
.SetFont( m_normalFont
);
3353 int image
= item
->GetCurrentImage();
3354 if ( image
!= NO_IMAGE
)
3356 if ( m_imageListNormal
)
3358 m_imageListNormal
->GetSize( image
, image_w
, image_h
);
3359 image_w
+= MARGIN_BETWEEN_IMAGE_AND_TEXT
;
3363 int total_h
= (image_h
> text_h
) ? image_h
: text_h
;
3366 total_h
+= 2; // at least 2 pixels
3368 total_h
+= total_h
/10; // otherwise 10% extra spacing
3370 item
->SetHeight(total_h
);
3371 if (total_h
>m_lineHeight
)
3372 m_lineHeight
=total_h
;
3374 item
->SetWidth(image_w
+text_w
+2);
3377 // -----------------------------------------------------------------------------
3378 // for developper : y is now the top of the level
3379 // not the middle of it !
3380 void wxGenericTreeCtrl::CalculateLevel( wxGenericTreeItem
*item
, wxDC
&dc
, int level
, int &y
)
3382 int x
= level
*m_indent
;
3383 if (!HasFlag(wxTR_HIDE_ROOT
))
3387 else if (level
== 0)
3389 // a hidden root is not evaluated, but its
3390 // children are always calculated
3394 CalculateSize( item
, dc
);
3397 item
->SetX( x
+m_spacing
);
3399 y
+= GetLineHeight(item
);
3401 if ( !item
->IsExpanded() )
3403 // we don't need to calculate collapsed branches
3408 wxArrayGenericTreeItems
& children
= item
->GetChildren();
3409 size_t n
, count
= children
.Count();
3411 for (n
= 0; n
< count
; ++n
)
3412 CalculateLevel( children
[n
], dc
, level
, y
); // recurse
3415 void wxGenericTreeCtrl::CalculatePositions()
3417 if ( !m_anchor
) return;
3419 wxClientDC
dc(this);
3422 dc
.SetFont( m_normalFont
);
3424 dc
.SetPen( m_dottedPen
);
3425 //if(GetImageList() == NULL)
3426 // m_lineHeight = (int)(dc.GetCharHeight() + 4);
3429 CalculateLevel( m_anchor
, dc
, 0, y
); // start recursion
3432 void wxGenericTreeCtrl::Refresh(bool eraseBackground
, const wxRect
*rect
)
3434 if ( !m_freezeCount
)
3435 wxTreeCtrlBase::Refresh(eraseBackground
, rect
);
3438 void wxGenericTreeCtrl::RefreshSubtree(wxGenericTreeItem
*item
)
3440 if (m_dirty
|| m_freezeCount
)
3443 wxSize client
= GetClientSize();
3446 CalcScrolledPosition(0, item
->GetY(), NULL
, &rect
.y
);
3447 rect
.width
= client
.x
;
3448 rect
.height
= client
.y
;
3450 Refresh(true, &rect
);
3452 AdjustMyScrollbars();
3455 void wxGenericTreeCtrl::RefreshLine( wxGenericTreeItem
*item
)
3457 if (m_dirty
|| m_freezeCount
)
3461 CalcScrolledPosition(0, item
->GetY(), NULL
, &rect
.y
);
3462 rect
.width
= GetClientSize().x
;
3463 rect
.height
= GetLineHeight(item
); //dc.GetCharHeight() + 6;
3465 Refresh(true, &rect
);
3468 void wxGenericTreeCtrl::RefreshSelected()
3473 // TODO: this is awfully inefficient, we should keep the list of all
3474 // selected items internally, should be much faster
3476 RefreshSelectedUnder(m_anchor
);
3479 void wxGenericTreeCtrl::RefreshSelectedUnder(wxGenericTreeItem
*item
)
3484 if ( item
->IsSelected() )
3487 const wxArrayGenericTreeItems
& children
= item
->GetChildren();
3488 size_t count
= children
.GetCount();
3489 for ( size_t n
= 0; n
< count
; n
++ )
3491 RefreshSelectedUnder(children
[n
]);
3495 void wxGenericTreeCtrl::Freeze()
3500 void wxGenericTreeCtrl::Thaw()
3502 wxCHECK_RET( m_freezeCount
> 0, _T("thawing unfrozen tree control?") );
3504 if ( --m_freezeCount
== 0 )
3510 // ----------------------------------------------------------------------------
3511 // changing colours: we need to refresh the tree control
3512 // ----------------------------------------------------------------------------
3514 bool wxGenericTreeCtrl::SetBackgroundColour(const wxColour
& colour
)
3516 if ( !wxWindow::SetBackgroundColour(colour
) )
3524 bool wxGenericTreeCtrl::SetForegroundColour(const wxColour
& colour
)
3526 if ( !wxWindow::SetForegroundColour(colour
) )
3534 // Process the tooltip event, to speed up event processing.
3535 // Doesn't actually get a tooltip.
3536 void wxGenericTreeCtrl::OnGetToolTip( wxTreeEvent
&event
)
3542 // NOTE: If using the wxListBox visual attributes works everywhere then this can
3543 // be removed, as well as the #else case below.
3544 #define _USE_VISATTR 0
3549 wxGenericTreeCtrl::GetClassDefaultAttributes(wxWindowVariant variant
)
3551 wxGenericTreeCtrl::GetClassDefaultAttributes(wxWindowVariant
WXUNUSED(variant
))
3555 // Use the same color scheme as wxListBox
3556 return wxListBox::GetClassDefaultAttributes(variant
);
3558 wxVisualAttributes attr
;
3559 attr
.colFg
= wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT
);
3560 attr
.colBg
= wxSystemSettings::GetColour(wxSYS_COLOUR_LISTBOX
);
3561 attr
.font
= wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT
);
3566 #if WXWIN_COMPATIBILITY_2_4
3568 int wxGenericTreeCtrl::GetItemSelectedImage(const wxTreeItemId
& item
) const
3570 return GetItemImage(item
, wxTreeItemIcon_Selected
);
3573 void wxGenericTreeCtrl::SetItemSelectedImage(const wxTreeItemId
& item
, int image
)
3575 SetItemImage(item
, image
, wxTreeItemIcon_Selected
);
3578 #endif // WXWIN_COMPATIBILITY_2_4
3580 void wxGenericTreeCtrl::DoDirtyProcessing()
3587 CalculatePositions();
3589 AdjustMyScrollbars();
3592 #endif // wxUSE_TREECTRL