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
.GetCount();
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
.GetCount();
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
.GetCount();
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
.GetCount();
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_SIZE (wxGenericTreeCtrl::OnSize
)
724 EVT_MOUSE_EVENTS (wxGenericTreeCtrl::OnMouse
)
725 EVT_CHAR (wxGenericTreeCtrl::OnChar
)
726 EVT_SET_FOCUS (wxGenericTreeCtrl::OnSetFocus
)
727 EVT_KILL_FOCUS (wxGenericTreeCtrl::OnKillFocus
)
728 EVT_TREE_ITEM_GETTOOLTIP(wxID_ANY
, wxGenericTreeCtrl::OnGetToolTip
)
731 #if !defined(__WXMSW__) || defined(__WXUNIVERSAL__)
733 * wxTreeCtrl has to be a real class or we have problems with
734 * the run-time information.
737 IMPLEMENT_DYNAMIC_CLASS(wxTreeCtrl
, wxGenericTreeCtrl
)
740 // -----------------------------------------------------------------------------
741 // construction/destruction
742 // -----------------------------------------------------------------------------
744 void wxGenericTreeCtrl::Init()
749 m_select_me
= (wxGenericTreeItem
*) NULL
;
757 m_hilightBrush
= new wxBrush
759 wxSystemSettings::GetColour
761 wxSYS_COLOUR_HIGHLIGHT
766 m_hilightUnfocusedBrush
= new wxBrush
768 wxSystemSettings::GetColour
770 wxSYS_COLOUR_BTNSHADOW
775 m_imageListButtons
= NULL
;
776 m_ownsImageListButtons
= false;
779 m_isDragging
= false;
780 m_dropTarget
= m_oldSelection
= NULL
;
784 m_renameTimer
= NULL
;
789 m_dropEffectAboveItem
= false;
791 m_lastOnSame
= false;
793 #ifdef __WXMAC_CARBON__
794 m_normalFont
.MacCreateThemeFont( kThemeViewsFont
) ;
796 m_normalFont
= wxSystemSettings::GetFont( wxSYS_DEFAULT_GUI_FONT
);
798 m_boldFont
= wxFont(m_normalFont
.GetPointSize(),
799 m_normalFont
.GetFamily(),
800 m_normalFont
.GetStyle(),
802 m_normalFont
.GetUnderlined(),
803 m_normalFont
.GetFaceName(),
804 m_normalFont
.GetEncoding());
807 bool wxGenericTreeCtrl::Create(wxWindow
*parent
,
812 const wxValidator
& validator
,
813 const wxString
& name
)
817 wxGetOsVersion( &major
, &minor
);
819 style
&= ~wxTR_LINES_AT_ROOT
;
820 style
|= wxTR_NO_LINES
;
822 style
|= wxTR_ROW_LINES
;
824 if (style
== 0 || style
& wxTR_DEFAULT_STYLE
)
825 style
|= wxTR_FULL_ROW_HIGHLIGHT
;
829 style
|= wxTR_NO_LINES
;
832 if ( !wxControl::Create( parent
, id
, pos
, size
,
833 style
|wxHSCROLL
|wxVSCROLL
,
838 // If the tree display has no buttons, but does have
839 // connecting lines, we can use a narrower layout.
840 // It may not be a good idea to force this...
841 if (!HasButtons() && !HasFlag(wxTR_NO_LINES
))
847 wxVisualAttributes attr
= GetDefaultAttributes();
848 SetOwnForegroundColour( attr
.colFg
);
849 SetOwnBackgroundColour( attr
.colBg
);
851 SetOwnFont(attr
.font
);
853 m_dottedPen
= wxPen( wxT("grey"), 0, 0 );
855 SetInitialSize(size
);
860 wxGenericTreeCtrl::~wxGenericTreeCtrl()
862 delete m_hilightBrush
;
863 delete m_hilightUnfocusedBrush
;
867 delete m_renameTimer
;
870 if (m_ownsImageListButtons
)
871 delete m_imageListButtons
;
874 // -----------------------------------------------------------------------------
876 // -----------------------------------------------------------------------------
878 unsigned int wxGenericTreeCtrl::GetCount() const
886 unsigned int count
= m_anchor
->GetChildrenCount();
887 if ( !HasFlag(wxTR_HIDE_ROOT
) )
889 // take the root itself into account
896 void wxGenericTreeCtrl::SetIndent(unsigned int indent
)
898 m_indent
= (unsigned short) indent
;
903 wxGenericTreeCtrl::GetChildrenCount(const wxTreeItemId
& item
,
904 bool recursively
) const
906 wxCHECK_MSG( item
.IsOk(), 0u, wxT("invalid tree item") );
908 return ((wxGenericTreeItem
*) item
.m_pItem
)->GetChildrenCount(recursively
);
911 void wxGenericTreeCtrl::SetWindowStyle(const long styles
)
913 // Do not try to expand the root node if it hasn't been created yet
914 if (m_anchor
&& !HasFlag(wxTR_HIDE_ROOT
) && (styles
& wxTR_HIDE_ROOT
))
916 // if we will hide the root, make sure children are visible
917 m_anchor
->SetHasPlus();
919 CalculatePositions();
922 // right now, just sets the styles. Eventually, we may
923 // want to update the inherited styles, but right now
924 // none of the parents has updatable styles
925 m_windowStyle
= styles
;
929 // -----------------------------------------------------------------------------
930 // functions to work with tree items
931 // -----------------------------------------------------------------------------
933 wxString
wxGenericTreeCtrl::GetItemText(const wxTreeItemId
& item
) const
935 wxCHECK_MSG( item
.IsOk(), wxEmptyString
, wxT("invalid tree item") );
937 return ((wxGenericTreeItem
*) item
.m_pItem
)->GetText();
940 int wxGenericTreeCtrl::GetItemImage(const wxTreeItemId
& item
,
941 wxTreeItemIcon which
) const
943 wxCHECK_MSG( item
.IsOk(), -1, wxT("invalid tree item") );
945 return ((wxGenericTreeItem
*) item
.m_pItem
)->GetImage(which
);
948 wxTreeItemData
*wxGenericTreeCtrl::GetItemData(const wxTreeItemId
& item
) const
950 wxCHECK_MSG( item
.IsOk(), NULL
, wxT("invalid tree item") );
952 return ((wxGenericTreeItem
*) item
.m_pItem
)->GetData();
955 wxColour
wxGenericTreeCtrl::GetItemTextColour(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().GetTextColour();
963 wxColour
wxGenericTreeCtrl::GetItemBackgroundColour(const wxTreeItemId
& item
) const
965 wxCHECK_MSG( item
.IsOk(), wxNullColour
, wxT("invalid tree item") );
967 wxGenericTreeItem
*pItem
= (wxGenericTreeItem
*) item
.m_pItem
;
968 return pItem
->Attr().GetBackgroundColour();
971 wxFont
wxGenericTreeCtrl::GetItemFont(const wxTreeItemId
& item
) const
973 wxCHECK_MSG( item
.IsOk(), wxNullFont
, wxT("invalid tree item") );
975 wxGenericTreeItem
*pItem
= (wxGenericTreeItem
*) item
.m_pItem
;
976 return pItem
->Attr().GetFont();
979 void wxGenericTreeCtrl::SetItemText(const wxTreeItemId
& item
, const wxString
& text
)
981 wxCHECK_RET( item
.IsOk(), wxT("invalid tree item") );
984 wxGenericTreeItem
*pItem
= (wxGenericTreeItem
*) item
.m_pItem
;
985 pItem
->SetText(text
);
986 CalculateSize(pItem
, dc
);
990 void wxGenericTreeCtrl::SetItemImage(const wxTreeItemId
& item
,
992 wxTreeItemIcon which
)
994 wxCHECK_RET( item
.IsOk(), wxT("invalid tree item") );
996 wxGenericTreeItem
*pItem
= (wxGenericTreeItem
*) item
.m_pItem
;
997 pItem
->SetImage(image
, which
);
1000 CalculateSize(pItem
, dc
);
1004 void wxGenericTreeCtrl::SetItemData(const wxTreeItemId
& item
, wxTreeItemData
*data
)
1006 wxCHECK_RET( item
.IsOk(), wxT("invalid tree item") );
1009 data
->SetId( item
);
1011 ((wxGenericTreeItem
*) item
.m_pItem
)->SetData(data
);
1014 void wxGenericTreeCtrl::SetItemHasChildren(const wxTreeItemId
& item
, bool has
)
1016 wxCHECK_RET( item
.IsOk(), wxT("invalid tree item") );
1018 wxGenericTreeItem
*pItem
= (wxGenericTreeItem
*) item
.m_pItem
;
1019 pItem
->SetHasPlus(has
);
1023 void wxGenericTreeCtrl::SetItemBold(const wxTreeItemId
& item
, bool bold
)
1025 wxCHECK_RET( item
.IsOk(), wxT("invalid tree item") );
1027 // avoid redrawing the tree if no real change
1028 wxGenericTreeItem
*pItem
= (wxGenericTreeItem
*) item
.m_pItem
;
1029 if ( pItem
->IsBold() != bold
)
1031 pItem
->SetBold(bold
);
1033 // recalculate the item size as bold and non bold fonts have different
1035 wxClientDC
dc(this);
1036 CalculateSize(pItem
, dc
);
1042 void wxGenericTreeCtrl::SetItemDropHighlight(const wxTreeItemId
& item
,
1045 wxCHECK_RET( item
.IsOk(), wxT("invalid tree item") );
1051 bg
= wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT
);
1052 fg
= wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT
);
1055 wxGenericTreeItem
*pItem
= (wxGenericTreeItem
*) item
.m_pItem
;
1056 pItem
->Attr().SetTextColour(fg
);
1057 pItem
->Attr().SetBackgroundColour(bg
);
1061 void wxGenericTreeCtrl::SetItemTextColour(const wxTreeItemId
& item
,
1062 const wxColour
& col
)
1064 wxCHECK_RET( item
.IsOk(), wxT("invalid tree item") );
1066 wxGenericTreeItem
*pItem
= (wxGenericTreeItem
*) item
.m_pItem
;
1067 pItem
->Attr().SetTextColour(col
);
1071 void wxGenericTreeCtrl::SetItemBackgroundColour(const wxTreeItemId
& item
,
1072 const wxColour
& col
)
1074 wxCHECK_RET( item
.IsOk(), wxT("invalid tree item") );
1076 wxGenericTreeItem
*pItem
= (wxGenericTreeItem
*) item
.m_pItem
;
1077 pItem
->Attr().SetBackgroundColour(col
);
1081 void wxGenericTreeCtrl::SetItemFont(const wxTreeItemId
& item
, const wxFont
& font
)
1083 wxCHECK_RET( item
.IsOk(), wxT("invalid tree item") );
1085 wxGenericTreeItem
*pItem
= (wxGenericTreeItem
*) item
.m_pItem
;
1086 pItem
->Attr().SetFont(font
);
1090 bool wxGenericTreeCtrl::SetFont( const wxFont
&font
)
1092 wxTreeCtrlBase::SetFont(font
);
1094 m_normalFont
= font
;
1095 m_boldFont
= wxFont(m_normalFont
.GetPointSize(),
1096 m_normalFont
.GetFamily(),
1097 m_normalFont
.GetStyle(),
1099 m_normalFont
.GetUnderlined(),
1100 m_normalFont
.GetFaceName(),
1101 m_normalFont
.GetEncoding());
1107 // -----------------------------------------------------------------------------
1108 // item status inquiries
1109 // -----------------------------------------------------------------------------
1111 bool wxGenericTreeCtrl::IsVisible(const wxTreeItemId
& item
) const
1113 wxCHECK_MSG( item
.IsOk(), false, wxT("invalid tree item") );
1115 // An item is only visible if it's not a descendant of a collapsed item
1116 wxGenericTreeItem
*pItem
= (wxGenericTreeItem
*) item
.m_pItem
;
1117 wxGenericTreeItem
* parent
= pItem
->GetParent();
1120 if (!parent
->IsExpanded())
1122 parent
= parent
->GetParent();
1126 GetViewStart(& startX
, & startY
);
1128 wxSize clientSize
= GetClientSize();
1131 if (!GetBoundingRect(item
, rect
))
1133 if (rect
.GetWidth() == 0 || rect
.GetHeight() == 0)
1135 if (rect
.GetBottom() < 0 || rect
.GetTop() > clientSize
.y
)
1137 if (rect
.GetRight() < 0 || rect
.GetLeft() > clientSize
.x
)
1143 bool wxGenericTreeCtrl::ItemHasChildren(const wxTreeItemId
& item
) const
1145 wxCHECK_MSG( item
.IsOk(), false, wxT("invalid tree item") );
1147 // consider that the item does have children if it has the "+" button: it
1148 // might not have them (if it had never been expanded yet) but then it
1149 // could have them as well and it's better to err on this side rather than
1150 // disabling some operations which are restricted to the items with
1151 // children for an item which does have them
1152 return ((wxGenericTreeItem
*) item
.m_pItem
)->HasPlus();
1155 bool wxGenericTreeCtrl::IsExpanded(const wxTreeItemId
& item
) const
1157 wxCHECK_MSG( item
.IsOk(), false, wxT("invalid tree item") );
1159 return ((wxGenericTreeItem
*) item
.m_pItem
)->IsExpanded();
1162 bool wxGenericTreeCtrl::IsSelected(const wxTreeItemId
& item
) const
1164 wxCHECK_MSG( item
.IsOk(), false, wxT("invalid tree item") );
1166 return ((wxGenericTreeItem
*) item
.m_pItem
)->IsSelected();
1169 bool wxGenericTreeCtrl::IsBold(const wxTreeItemId
& item
) const
1171 wxCHECK_MSG( item
.IsOk(), false, wxT("invalid tree item") );
1173 return ((wxGenericTreeItem
*) item
.m_pItem
)->IsBold();
1176 // -----------------------------------------------------------------------------
1178 // -----------------------------------------------------------------------------
1180 wxTreeItemId
wxGenericTreeCtrl::GetItemParent(const wxTreeItemId
& item
) const
1182 wxCHECK_MSG( item
.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
1184 return ((wxGenericTreeItem
*) item
.m_pItem
)->GetParent();
1187 wxTreeItemId
wxGenericTreeCtrl::GetFirstChild(const wxTreeItemId
& item
,
1188 wxTreeItemIdValue
& cookie
) const
1190 wxCHECK_MSG( item
.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
1193 return GetNextChild(item
, cookie
);
1196 wxTreeItemId
wxGenericTreeCtrl::GetNextChild(const wxTreeItemId
& item
,
1197 wxTreeItemIdValue
& cookie
) const
1199 wxCHECK_MSG( item
.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
1201 wxArrayGenericTreeItems
& children
= ((wxGenericTreeItem
*) item
.m_pItem
)->GetChildren();
1203 // it's ok to cast cookie to size_t, we never have indices big enough to
1204 // overflow "void *"
1205 size_t *pIndex
= (size_t *)&cookie
;
1206 if ( *pIndex
< children
.GetCount() )
1208 return children
.Item((*pIndex
)++);
1212 // there are no more of them
1213 return wxTreeItemId();
1217 wxTreeItemId
wxGenericTreeCtrl::GetLastChild(const wxTreeItemId
& item
) const
1219 wxCHECK_MSG( item
.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
1221 wxArrayGenericTreeItems
& children
= ((wxGenericTreeItem
*) item
.m_pItem
)->GetChildren();
1222 return (children
.IsEmpty() ? wxTreeItemId() : wxTreeItemId(children
.Last()));
1225 wxTreeItemId
wxGenericTreeCtrl::GetNextSibling(const wxTreeItemId
& item
) const
1227 wxCHECK_MSG( item
.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
1229 wxGenericTreeItem
*i
= (wxGenericTreeItem
*) item
.m_pItem
;
1230 wxGenericTreeItem
*parent
= i
->GetParent();
1231 if ( parent
== NULL
)
1233 // root item doesn't have any siblings
1234 return wxTreeItemId();
1237 wxArrayGenericTreeItems
& siblings
= parent
->GetChildren();
1238 int index
= siblings
.Index(i
);
1239 wxASSERT( index
!= wxNOT_FOUND
); // I'm not a child of my parent?
1241 size_t n
= (size_t)(index
+ 1);
1242 return n
== siblings
.GetCount() ? wxTreeItemId() : wxTreeItemId(siblings
[n
]);
1245 wxTreeItemId
wxGenericTreeCtrl::GetPrevSibling(const wxTreeItemId
& item
) const
1247 wxCHECK_MSG( item
.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
1249 wxGenericTreeItem
*i
= (wxGenericTreeItem
*) item
.m_pItem
;
1250 wxGenericTreeItem
*parent
= i
->GetParent();
1251 if ( parent
== NULL
)
1253 // root item doesn't have any siblings
1254 return wxTreeItemId();
1257 wxArrayGenericTreeItems
& siblings
= parent
->GetChildren();
1258 int index
= siblings
.Index(i
);
1259 wxASSERT( index
!= wxNOT_FOUND
); // I'm not a child of my parent?
1261 return index
== 0 ? wxTreeItemId()
1262 : wxTreeItemId(siblings
[(size_t)(index
- 1)]);
1265 // Only for internal use right now, but should probably be public
1266 wxTreeItemId
wxGenericTreeCtrl::GetNext(const wxTreeItemId
& item
) const
1268 wxCHECK_MSG( item
.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
1270 wxGenericTreeItem
*i
= (wxGenericTreeItem
*) item
.m_pItem
;
1272 // First see if there are any children.
1273 wxArrayGenericTreeItems
& children
= i
->GetChildren();
1274 if (children
.GetCount() > 0)
1276 return children
.Item(0);
1280 // Try a sibling of this or ancestor instead
1281 wxTreeItemId p
= item
;
1282 wxTreeItemId toFind
;
1285 toFind
= GetNextSibling(p
);
1286 p
= GetItemParent(p
);
1287 } while (p
.IsOk() && !toFind
.IsOk());
1292 wxTreeItemId
wxGenericTreeCtrl::GetFirstVisibleItem() const
1294 wxTreeItemId id
= GetRootItem();
1303 } while (id
.IsOk());
1305 return wxTreeItemId();
1308 wxTreeItemId
wxGenericTreeCtrl::GetNextVisible(const wxTreeItemId
& item
) const
1310 wxCHECK_MSG( item
.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
1312 wxTreeItemId id
= item
;
1315 while (id
= GetNext(id
), id
.IsOk())
1321 return wxTreeItemId();
1324 wxTreeItemId
wxGenericTreeCtrl::GetPrevVisible(const wxTreeItemId
& item
) const
1326 wxCHECK_MSG( item
.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
1328 wxFAIL_MSG(wxT("not implemented"));
1330 return wxTreeItemId();
1333 // called by wxTextTreeCtrl when it marks itself for deletion
1334 void wxGenericTreeCtrl::ResetTextControl()
1339 // find the first item starting with the given prefix after the given item
1340 wxTreeItemId
wxGenericTreeCtrl::FindItem(const wxTreeItemId
& idParent
,
1341 const wxString
& prefixOrig
) const
1343 // match is case insensitive as this is more convenient to the user: having
1344 // to press Shift-letter to go to the item starting with a capital letter
1345 // would be too bothersome
1346 wxString prefix
= prefixOrig
.Lower();
1348 // determine the starting point: we shouldn't take the current item (this
1349 // allows to switch between two items starting with the same letter just by
1350 // pressing it) but we shouldn't jump to the next one if the user is
1351 // continuing to type as otherwise he might easily skip the item he wanted
1352 wxTreeItemId id
= idParent
;
1353 if ( prefix
.length() == 1 )
1358 // look for the item starting with the given prefix after it
1359 while ( id
.IsOk() && !GetItemText(id
).Lower().StartsWith(prefix
) )
1364 // if we haven't found anything...
1367 // ... wrap to the beginning
1369 if ( HasFlag(wxTR_HIDE_ROOT
) )
1371 // can't select virtual root
1375 // and try all the items (stop when we get to the one we started from)
1376 while (id
.IsOk() && id
!= idParent
&& !GetItemText(id
).Lower().StartsWith(prefix
) )
1380 // If we haven't found the item, id.IsOk() will be false, as per
1387 // -----------------------------------------------------------------------------
1389 // -----------------------------------------------------------------------------
1391 wxTreeItemId
wxGenericTreeCtrl::DoInsertItem(const wxTreeItemId
& parentId
,
1393 const wxString
& text
,
1396 wxTreeItemData
*data
)
1398 wxGenericTreeItem
*parent
= (wxGenericTreeItem
*) parentId
.m_pItem
;
1401 // should we give a warning here?
1402 return AddRoot(text
, image
, selImage
, data
);
1405 m_dirty
= true; // do this first so stuff below doesn't cause flicker
1407 wxGenericTreeItem
*item
=
1408 new wxGenericTreeItem( parent
, text
, image
, selImage
, data
);
1412 data
->m_pItem
= item
;
1415 parent
->Insert( item
, previous
== (size_t)-1 ? parent
->GetChildren().size()
1418 InvalidateBestSize();
1422 wxTreeItemId
wxGenericTreeCtrl::AddRoot(const wxString
& text
,
1425 wxTreeItemData
*data
)
1427 wxCHECK_MSG( !m_anchor
, wxTreeItemId(), wxT("tree can have only one root") );
1429 m_dirty
= true; // do this first so stuff below doesn't cause flicker
1431 m_anchor
= new wxGenericTreeItem((wxGenericTreeItem
*)NULL
, text
,
1432 image
, selImage
, data
);
1435 data
->m_pItem
= m_anchor
;
1438 if (HasFlag(wxTR_HIDE_ROOT
))
1440 // if root is hidden, make sure we can navigate
1442 m_anchor
->SetHasPlus();
1444 CalculatePositions();
1447 if (!HasFlag(wxTR_MULTIPLE
))
1449 m_current
= m_key_current
= m_anchor
;
1450 m_current
->SetHilight( true );
1453 InvalidateBestSize();
1457 wxTreeItemId
wxGenericTreeCtrl::DoInsertAfter(const wxTreeItemId
& parentId
,
1458 const wxTreeItemId
& idPrevious
,
1459 const wxString
& text
,
1460 int image
, int selImage
,
1461 wxTreeItemData
*data
)
1463 wxGenericTreeItem
*parent
= (wxGenericTreeItem
*) parentId
.m_pItem
;
1466 // should we give a warning here?
1467 return AddRoot(text
, image
, selImage
, data
);
1471 if (idPrevious
.IsOk())
1473 index
= parent
->GetChildren().Index((wxGenericTreeItem
*) idPrevious
.m_pItem
);
1474 wxASSERT_MSG( index
!= wxNOT_FOUND
,
1475 wxT("previous item in wxGenericTreeCtrl::InsertItem() is not a sibling") );
1478 return DoInsertItem(parentId
, (size_t)++index
, text
, image
, selImage
, data
);
1482 void wxGenericTreeCtrl::SendDeleteEvent(wxGenericTreeItem
*item
)
1484 wxTreeEvent
event(wxEVT_COMMAND_TREE_DELETE_ITEM
, this, item
);
1485 GetEventHandler()->ProcessEvent( event
);
1488 // Don't leave edit or selection on a child which is about to disappear
1489 void wxGenericTreeCtrl::ChildrenClosing(wxGenericTreeItem
* item
)
1491 if (m_textCtrl
!= NULL
&& item
!= m_textCtrl
->item() && IsDescendantOf(item
, m_textCtrl
->item())) {
1492 m_textCtrl
->StopEditing();
1494 if (item
!= m_key_current
&& IsDescendantOf(item
, m_key_current
)) {
1495 m_key_current
= NULL
;
1497 if (IsDescendantOf(item
, m_select_me
)) {
1500 if (item
!= m_current
&& IsDescendantOf(item
, m_current
)) {
1501 m_current
->SetHilight( false );
1507 void wxGenericTreeCtrl::DeleteChildren(const wxTreeItemId
& itemId
)
1509 m_dirty
= true; // do this first so stuff below doesn't cause flicker
1511 wxGenericTreeItem
*item
= (wxGenericTreeItem
*) itemId
.m_pItem
;
1512 ChildrenClosing(item
);
1513 item
->DeleteChildren(this);
1514 InvalidateBestSize();
1517 void wxGenericTreeCtrl::Delete(const wxTreeItemId
& itemId
)
1519 m_dirty
= true; // do this first so stuff below doesn't cause flicker
1521 wxGenericTreeItem
*item
= (wxGenericTreeItem
*) itemId
.m_pItem
;
1523 if (m_textCtrl
!= NULL
&& IsDescendantOf(item
, m_textCtrl
->item()))
1525 // can't delete the item being edited, cancel editing it first
1526 m_textCtrl
->StopEditing();
1529 wxGenericTreeItem
*parent
= item
->GetParent();
1531 // don't keep stale pointers around!
1532 if ( IsDescendantOf(item
, m_key_current
) )
1534 // Don't silently change the selection:
1535 // do it properly in idle time, so event
1536 // handlers get called.
1538 // m_key_current = parent;
1539 m_key_current
= NULL
;
1542 // m_select_me records whether we need to select
1543 // a different item, in idle time.
1544 if ( m_select_me
&& IsDescendantOf(item
, m_select_me
) )
1546 m_select_me
= parent
;
1549 if ( IsDescendantOf(item
, m_current
) )
1551 // Don't silently change the selection:
1552 // do it properly in idle time, so event
1553 // handlers get called.
1555 // m_current = parent;
1557 m_select_me
= parent
;
1560 // remove the item from the tree
1563 parent
->GetChildren().Remove( item
); // remove by value
1565 else // deleting the root
1567 // nothing will be left in the tree
1571 // and delete all of its children and the item itself now
1572 item
->DeleteChildren(this);
1573 SendDeleteEvent(item
);
1575 if (item
== m_select_me
)
1580 InvalidateBestSize();
1583 void wxGenericTreeCtrl::DeleteAllItems()
1591 void wxGenericTreeCtrl::Expand(const wxTreeItemId
& itemId
)
1593 wxGenericTreeItem
*item
= (wxGenericTreeItem
*) itemId
.m_pItem
;
1595 wxCHECK_RET( item
, _T("invalid item in wxGenericTreeCtrl::Expand") );
1596 wxCHECK_RET( !HasFlag(wxTR_HIDE_ROOT
) || itemId
!= GetRootItem(),
1597 _T("can't expand hidden root") );
1599 if ( !item
->HasPlus() )
1602 if ( item
->IsExpanded() )
1605 wxTreeEvent
event(wxEVT_COMMAND_TREE_ITEM_EXPANDING
, this, item
);
1607 if ( GetEventHandler()->ProcessEvent( event
) && !event
.IsAllowed() )
1609 // cancelled by program
1614 CalculatePositions();
1616 RefreshSubtree(item
);
1618 event
.SetEventType(wxEVT_COMMAND_TREE_ITEM_EXPANDED
);
1619 GetEventHandler()->ProcessEvent( event
);
1622 void wxGenericTreeCtrl::Collapse(const wxTreeItemId
& itemId
)
1624 wxCHECK_RET( !HasFlag(wxTR_HIDE_ROOT
) || itemId
!= GetRootItem(),
1625 _T("can't collapse hidden root") );
1627 wxGenericTreeItem
*item
= (wxGenericTreeItem
*) itemId
.m_pItem
;
1629 if ( !item
->IsExpanded() )
1632 wxTreeEvent
event(wxEVT_COMMAND_TREE_ITEM_COLLAPSING
, this, item
);
1633 if ( GetEventHandler()->ProcessEvent( event
) && !event
.IsAllowed() )
1635 // cancelled by program
1639 ChildrenClosing(item
);
1642 #if 0 // TODO why should items be collapsed recursively?
1643 wxArrayGenericTreeItems
& children
= item
->GetChildren();
1644 size_t count
= children
.GetCount();
1645 for ( size_t n
= 0; n
< count
; n
++ )
1647 Collapse(children
[n
]);
1651 CalculatePositions();
1653 RefreshSubtree(item
);
1655 event
.SetEventType(wxEVT_COMMAND_TREE_ITEM_COLLAPSED
);
1656 GetEventHandler()->ProcessEvent( event
);
1659 void wxGenericTreeCtrl::CollapseAndReset(const wxTreeItemId
& item
)
1662 DeleteChildren(item
);
1665 void wxGenericTreeCtrl::Toggle(const wxTreeItemId
& itemId
)
1667 wxGenericTreeItem
*item
= (wxGenericTreeItem
*) itemId
.m_pItem
;
1669 if (item
->IsExpanded())
1675 void wxGenericTreeCtrl::Unselect()
1679 m_current
->SetHilight( false );
1680 RefreshLine( m_current
);
1687 void wxGenericTreeCtrl::UnselectAllChildren(wxGenericTreeItem
*item
)
1689 if (item
->IsSelected())
1691 item
->SetHilight(false);
1695 if (item
->HasChildren())
1697 wxArrayGenericTreeItems
& children
= item
->GetChildren();
1698 size_t count
= children
.GetCount();
1699 for ( size_t n
= 0; n
< count
; ++n
)
1701 UnselectAllChildren(children
[n
]);
1706 void wxGenericTreeCtrl::UnselectAll()
1708 wxTreeItemId rootItem
= GetRootItem();
1710 // the tree might not have the root item at all
1713 UnselectAllChildren((wxGenericTreeItem
*) rootItem
.m_pItem
);
1717 // Recursive function !
1718 // To stop we must have crt_item<last_item
1720 // Tag all next children, when no more children,
1721 // Move to parent (not to tag)
1722 // Keep going... if we found last_item, we stop.
1723 bool wxGenericTreeCtrl::TagNextChildren(wxGenericTreeItem
*crt_item
, wxGenericTreeItem
*last_item
, bool select
)
1725 wxGenericTreeItem
*parent
= crt_item
->GetParent();
1727 if (parent
== NULL
) // This is root item
1728 return TagAllChildrenUntilLast(crt_item
, last_item
, select
);
1730 wxArrayGenericTreeItems
& children
= parent
->GetChildren();
1731 int index
= children
.Index(crt_item
);
1732 wxASSERT( index
!= wxNOT_FOUND
); // I'm not a child of my parent?
1734 size_t count
= children
.GetCount();
1735 for (size_t n
=(size_t)(index
+1); n
<count
; ++n
)
1737 if (TagAllChildrenUntilLast(children
[n
], last_item
, select
)) return true;
1740 return TagNextChildren(parent
, last_item
, select
);
1743 bool wxGenericTreeCtrl::TagAllChildrenUntilLast(wxGenericTreeItem
*crt_item
, wxGenericTreeItem
*last_item
, bool select
)
1745 crt_item
->SetHilight(select
);
1746 RefreshLine(crt_item
);
1748 if (crt_item
==last_item
)
1751 if (crt_item
->HasChildren())
1753 wxArrayGenericTreeItems
& children
= crt_item
->GetChildren();
1754 size_t count
= children
.GetCount();
1755 for ( size_t n
= 0; n
< count
; ++n
)
1757 if (TagAllChildrenUntilLast(children
[n
], last_item
, select
))
1765 void wxGenericTreeCtrl::SelectItemRange(wxGenericTreeItem
*item1
, wxGenericTreeItem
*item2
)
1769 // item2 is not necessary after item1
1770 // choice first' and 'last' between item1 and item2
1771 wxGenericTreeItem
*first
= (item1
->GetY()<item2
->GetY()) ? item1
: item2
;
1772 wxGenericTreeItem
*last
= (item1
->GetY()<item2
->GetY()) ? item2
: item1
;
1774 bool select
= m_current
->IsSelected();
1776 if ( TagAllChildrenUntilLast(first
,last
,select
) )
1779 TagNextChildren(first
,last
,select
);
1782 void wxGenericTreeCtrl::DoSelectItem(const wxTreeItemId
& itemId
,
1783 bool unselect_others
,
1784 bool extended_select
)
1786 wxCHECK_RET( itemId
.IsOk(), wxT("invalid tree item") );
1790 bool is_single
=!(GetWindowStyleFlag() & wxTR_MULTIPLE
);
1791 wxGenericTreeItem
*item
= (wxGenericTreeItem
*) itemId
.m_pItem
;
1793 //wxCHECK_RET( ( (!unselect_others) && is_single),
1794 // wxT("this is a single selection tree") );
1796 // to keep going anyhow !!!
1799 if (item
->IsSelected())
1800 return; // nothing to do
1801 unselect_others
= true;
1802 extended_select
= false;
1804 else if ( unselect_others
&& item
->IsSelected() )
1806 // selection change if there is more than one item currently selected
1807 wxArrayTreeItemIds selected_items
;
1808 if ( GetSelections(selected_items
) == 1 )
1812 wxTreeEvent
event(wxEVT_COMMAND_TREE_SEL_CHANGING
, this, item
);
1813 event
.m_itemOld
= m_current
;
1814 // TODO : Here we don't send any selection mode yet !
1816 if ( GetEventHandler()->ProcessEvent( event
) && !event
.IsAllowed() )
1819 wxTreeItemId parent
= GetItemParent( itemId
);
1820 while (parent
.IsOk())
1822 if (!IsExpanded(parent
))
1825 parent
= GetItemParent( parent
);
1829 if (unselect_others
)
1831 if (is_single
) Unselect(); // to speed up thing
1836 if (extended_select
)
1840 m_current
= m_key_current
= (wxGenericTreeItem
*) GetRootItem().m_pItem
;
1843 // don't change the mark (m_current)
1844 SelectItemRange(m_current
, item
);
1848 bool select
= true; // the default
1850 // Check if we need to toggle hilight (ctrl mode)
1851 if (!unselect_others
)
1852 select
=!item
->IsSelected();
1854 m_current
= m_key_current
= item
;
1855 m_current
->SetHilight(select
);
1856 RefreshLine( m_current
);
1859 // This can cause idle processing to select the root
1860 // if no item is selected, so it must be after the
1862 EnsureVisible( itemId
);
1864 event
.SetEventType(wxEVT_COMMAND_TREE_SEL_CHANGED
);
1865 GetEventHandler()->ProcessEvent( event
);
1868 void wxGenericTreeCtrl::SelectItem(const wxTreeItemId
& itemId
, bool select
)
1872 DoSelectItem(itemId
, !HasFlag(wxTR_MULTIPLE
));
1876 wxGenericTreeItem
*item
= (wxGenericTreeItem
*) itemId
.m_pItem
;
1877 wxCHECK_RET( item
, wxT("SelectItem(): invalid tree item") );
1879 wxTreeEvent
event(wxEVT_COMMAND_TREE_SEL_CHANGING
, this, item
);
1880 if ( GetEventHandler()->ProcessEvent( event
) && !event
.IsAllowed() )
1883 item
->SetHilight(false);
1886 event
.SetEventType(wxEVT_COMMAND_TREE_SEL_CHANGED
);
1887 GetEventHandler()->ProcessEvent( event
);
1891 void wxGenericTreeCtrl::FillArray(wxGenericTreeItem
*item
,
1892 wxArrayTreeItemIds
&array
) const
1894 if ( item
->IsSelected() )
1895 array
.Add(wxTreeItemId(item
));
1897 if ( item
->HasChildren() )
1899 wxArrayGenericTreeItems
& children
= item
->GetChildren();
1900 size_t count
= children
.GetCount();
1901 for ( size_t n
= 0; n
< count
; ++n
)
1902 FillArray(children
[n
], array
);
1906 size_t wxGenericTreeCtrl::GetSelections(wxArrayTreeItemIds
&array
) const
1909 wxTreeItemId idRoot
= GetRootItem();
1910 if ( idRoot
.IsOk() )
1912 FillArray((wxGenericTreeItem
*) idRoot
.m_pItem
, array
);
1914 //else: the tree is empty, so no selections
1916 return array
.GetCount();
1919 void wxGenericTreeCtrl::EnsureVisible(const wxTreeItemId
& item
)
1921 wxCHECK_RET( item
.IsOk(), wxT("invalid tree item") );
1923 if (!item
.IsOk()) return;
1925 wxGenericTreeItem
*gitem
= (wxGenericTreeItem
*) item
.m_pItem
;
1927 // first expand all parent branches
1928 wxGenericTreeItem
*parent
= gitem
->GetParent();
1930 if ( HasFlag(wxTR_HIDE_ROOT
) )
1932 while ( parent
&& parent
!= m_anchor
)
1935 parent
= parent
->GetParent();
1943 parent
= parent
->GetParent();
1947 //if (parent) CalculatePositions();
1952 void wxGenericTreeCtrl::ScrollTo(const wxTreeItemId
&item
)
1954 if (!item
.IsOk()) return;
1956 // We have to call this here because the label in
1957 // question might just have been added and no screen
1958 // update taken place.
1960 #if defined( __WXMSW__ ) || defined(__WXMAC__)
1963 DoDirtyProcessing();
1965 wxGenericTreeItem
*gitem
= (wxGenericTreeItem
*) item
.m_pItem
;
1967 // now scroll to the item
1968 int item_y
= gitem
->GetY();
1972 GetViewStart( &start_x
, &start_y
);
1973 start_y
*= PIXELS_PER_UNIT
;
1977 GetClientSize( &client_w
, &client_h
);
1979 if (item_y
< start_y
+3)
1984 m_anchor
->GetSize( x
, y
, this );
1985 y
+= PIXELS_PER_UNIT
+2; // one more scrollbar unit + 2 pixels
1986 x
+= PIXELS_PER_UNIT
+2; // one more scrollbar unit + 2 pixels
1987 int x_pos
= GetScrollPos( wxHORIZONTAL
);
1988 // Item should appear at top
1989 SetScrollbars( PIXELS_PER_UNIT
, PIXELS_PER_UNIT
, x
/PIXELS_PER_UNIT
, y
/PIXELS_PER_UNIT
, x_pos
, item_y
/PIXELS_PER_UNIT
);
1991 else if (item_y
+GetLineHeight(gitem
) > start_y
+client_h
)
1996 m_anchor
->GetSize( x
, y
, this );
1997 y
+= PIXELS_PER_UNIT
+2; // one more scrollbar unit + 2 pixels
1998 x
+= PIXELS_PER_UNIT
+2; // one more scrollbar unit + 2 pixels
1999 item_y
+= PIXELS_PER_UNIT
+2;
2000 int x_pos
= GetScrollPos( wxHORIZONTAL
);
2001 // Item should appear at bottom
2002 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
);
2006 // FIXME: tree sorting functions are not reentrant and not MT-safe!
2007 static wxGenericTreeCtrl
*s_treeBeingSorted
= NULL
;
2009 static int LINKAGEMODE
tree_ctrl_compare_func(wxGenericTreeItem
**item1
,
2010 wxGenericTreeItem
**item2
)
2012 wxCHECK_MSG( s_treeBeingSorted
, 0, wxT("bug in wxGenericTreeCtrl::SortChildren()") );
2014 return s_treeBeingSorted
->OnCompareItems(*item1
, *item2
);
2017 void wxGenericTreeCtrl::SortChildren(const wxTreeItemId
& itemId
)
2019 wxCHECK_RET( itemId
.IsOk(), wxT("invalid tree item") );
2021 wxGenericTreeItem
*item
= (wxGenericTreeItem
*) itemId
.m_pItem
;
2023 wxCHECK_RET( !s_treeBeingSorted
,
2024 wxT("wxGenericTreeCtrl::SortChildren is not reentrant") );
2026 wxArrayGenericTreeItems
& children
= item
->GetChildren();
2027 if ( children
.GetCount() > 1 )
2031 s_treeBeingSorted
= this;
2032 children
.Sort(tree_ctrl_compare_func
);
2033 s_treeBeingSorted
= NULL
;
2035 //else: don't make the tree dirty as nothing changed
2038 void wxGenericTreeCtrl::CalculateLineHeight()
2040 wxClientDC
dc(this);
2041 m_lineHeight
= (int)(dc
.GetCharHeight() + 4);
2043 if ( m_imageListNormal
)
2045 // Calculate a m_lineHeight value from the normal Image sizes.
2046 // May be toggle off. Then wxGenericTreeCtrl will spread when
2047 // necessary (which might look ugly).
2048 int n
= m_imageListNormal
->GetImageCount();
2049 for (int i
= 0; i
< n
; i
++)
2051 int width
= 0, height
= 0;
2052 m_imageListNormal
->GetSize(i
, width
, height
);
2053 if (height
> m_lineHeight
) m_lineHeight
= height
;
2057 if (m_imageListButtons
)
2059 // Calculate a m_lineHeight value from the Button image sizes.
2060 // May be toggle off. Then wxGenericTreeCtrl will spread when
2061 // necessary (which might look ugly).
2062 int n
= m_imageListButtons
->GetImageCount();
2063 for (int i
= 0; i
< n
; i
++)
2065 int width
= 0, height
= 0;
2066 m_imageListButtons
->GetSize(i
, width
, height
);
2067 if (height
> m_lineHeight
) m_lineHeight
= height
;
2071 if (m_lineHeight
< 30)
2072 m_lineHeight
+= 2; // at least 2 pixels
2074 m_lineHeight
+= m_lineHeight
/10; // otherwise 10% extra spacing
2077 void wxGenericTreeCtrl::SetImageList(wxImageList
*imageList
)
2079 if (m_ownsImageListNormal
) delete m_imageListNormal
;
2080 m_imageListNormal
= imageList
;
2081 m_ownsImageListNormal
= false;
2083 // Don't do any drawing if we're setting the list to NULL,
2084 // since we may be in the process of deleting the tree control.
2086 CalculateLineHeight();
2089 void wxGenericTreeCtrl::SetStateImageList(wxImageList
*imageList
)
2091 if (m_ownsImageListState
) delete m_imageListState
;
2092 m_imageListState
= imageList
;
2093 m_ownsImageListState
= false;
2096 void wxGenericTreeCtrl::SetButtonsImageList(wxImageList
*imageList
)
2098 if (m_ownsImageListButtons
) delete m_imageListButtons
;
2099 m_imageListButtons
= imageList
;
2100 m_ownsImageListButtons
= false;
2102 CalculateLineHeight();
2105 void wxGenericTreeCtrl::AssignButtonsImageList(wxImageList
*imageList
)
2107 SetButtonsImageList(imageList
);
2108 m_ownsImageListButtons
= true;
2111 // -----------------------------------------------------------------------------
2113 // -----------------------------------------------------------------------------
2115 void wxGenericTreeCtrl::AdjustMyScrollbars()
2120 m_anchor
->GetSize( x
, y
, this );
2121 y
+= PIXELS_PER_UNIT
+2; // one more scrollbar unit + 2 pixels
2122 x
+= PIXELS_PER_UNIT
+2; // one more scrollbar unit + 2 pixels
2123 int x_pos
= GetScrollPos( wxHORIZONTAL
);
2124 int y_pos
= GetScrollPos( wxVERTICAL
);
2125 SetScrollbars( PIXELS_PER_UNIT
, PIXELS_PER_UNIT
, x
/PIXELS_PER_UNIT
, y
/PIXELS_PER_UNIT
, x_pos
, y_pos
);
2129 SetScrollbars( 0, 0, 0, 0 );
2133 int wxGenericTreeCtrl::GetLineHeight(wxGenericTreeItem
*item
) const
2135 if (GetWindowStyleFlag() & wxTR_HAS_VARIABLE_ROW_HEIGHT
)
2136 return item
->GetHeight();
2138 return m_lineHeight
;
2141 void wxGenericTreeCtrl::PaintItem(wxGenericTreeItem
*item
, wxDC
& dc
)
2143 // TODO implement "state" icon on items
2145 wxTreeItemAttr
*attr
= item
->GetAttributes();
2146 if ( attr
&& attr
->HasFont() )
2147 dc
.SetFont(attr
->GetFont());
2148 else if (item
->IsBold())
2149 dc
.SetFont(m_boldFont
);
2151 long text_w
= 0, text_h
= 0;
2152 dc
.GetTextExtent( item
->GetText(), &text_w
, &text_h
);
2154 int image_h
= 0, image_w
= 0;
2155 int image
= item
->GetCurrentImage();
2156 if ( image
!= NO_IMAGE
)
2158 if ( m_imageListNormal
)
2160 m_imageListNormal
->GetSize( image
, image_w
, image_h
);
2161 image_w
+= MARGIN_BETWEEN_IMAGE_AND_TEXT
;
2169 int total_h
= GetLineHeight(item
);
2170 bool drawItemBackground
= false;
2172 if ( item
->IsSelected() )
2174 dc
.SetBrush(*(m_hasFocus
? m_hilightBrush
: m_hilightUnfocusedBrush
));
2175 drawItemBackground
= true;
2180 if ( attr
&& attr
->HasBackgroundColour() )
2182 drawItemBackground
= true;
2183 colBg
= attr
->GetBackgroundColour();
2187 colBg
= GetBackgroundColour();
2189 dc
.SetBrush(wxBrush(colBg
, wxSOLID
));
2192 int offset
= HasFlag(wxTR_ROW_LINES
) ? 1 : 0;
2194 if ( HasFlag(wxTR_FULL_ROW_HIGHLIGHT
) )
2198 GetVirtualSize(&w
, &h
);
2199 wxRect
rect( x
, item
->GetY()+offset
, w
, total_h
-offset
);
2200 #if !defined(__WXGTK20__) && !defined(__WXMAC__)
2201 dc
.DrawRectangle(rect
);
2203 if (!item
->IsSelected())
2205 dc
.DrawRectangle(rect
);
2209 int flags
= wxCONTROL_SELECTED
;
2212 && IsControlActive( (ControlRef
)GetHandle() )
2215 flags
|= wxCONTROL_FOCUSED
;
2216 if ((item
== m_current
) && (m_hasFocus
))
2217 flags
|= wxCONTROL_CURRENT
;
2218 wxRendererNative::Get().DrawItemSelectionRect( this, dc
, rect
, flags
);
2224 if ( item
->IsSelected() && image
!= NO_IMAGE
)
2226 // If it's selected, and there's an image, then we should
2227 // take care to leave the area under the image painted in the
2228 // background colour.
2229 wxRect
rect( item
->GetX() + image_w
- 2, item
->GetY()+offset
,
2230 item
->GetWidth() - image_w
+ 2, total_h
-offset
);
2231 #if !defined(__WXGTK20__) && !defined(__WXMAC__)
2232 dc
.DrawRectangle( rect
);
2237 int flags
= wxCONTROL_SELECTED
;
2239 flags
|= wxCONTROL_FOCUSED
;
2240 if ((item
== m_current
) && (m_hasFocus
))
2241 flags
|= wxCONTROL_CURRENT
;
2242 wxRendererNative::Get().DrawItemSelectionRect( this, dc
, rect
, flags
);
2245 // On GTK+ 2, drawing a 'normal' background is wrong for themes that
2246 // don't allow backgrounds to be customized. Not drawing the background,
2247 // except for custom item backgrounds, works for both kinds of theme.
2248 else if (drawItemBackground
)
2250 wxRect
rect( item
->GetX()-2, item
->GetY()+offset
,
2251 item
->GetWidth()+2, total_h
-offset
);
2252 #if !defined(__WXGTK20__) && !defined(__WXMAC__)
2253 dc
.DrawRectangle( rect
);
2255 if ( attr
&& attr
->HasBackgroundColour() )
2257 dc
.DrawRectangle( rect
);
2264 int flags
= wxCONTROL_SELECTED
;
2266 flags
|= wxCONTROL_FOCUSED
;
2267 if ((item
== m_current
) && (m_hasFocus
))
2268 flags
|= wxCONTROL_CURRENT
;
2269 wxRendererNative::Get().DrawItemSelectionRect( this, dc
, rect
, flags
);
2275 if ( image
!= NO_IMAGE
)
2277 dc
.SetClippingRegion( item
->GetX(), item
->GetY(), image_w
-2, total_h
);
2278 m_imageListNormal
->Draw( image
, dc
,
2280 item
->GetY() +((total_h
> image_h
)?((total_h
-image_h
)/2):0),
2281 wxIMAGELIST_DRAW_TRANSPARENT
);
2282 dc
.DestroyClippingRegion();
2285 dc
.SetBackgroundMode(wxTRANSPARENT
);
2286 int extraH
= (total_h
> text_h
) ? (total_h
- text_h
)/2 : 0;
2287 dc
.DrawText( item
->GetText(),
2288 (wxCoord
)(image_w
+ item
->GetX()),
2289 (wxCoord
)(item
->GetY() + extraH
));
2291 // restore normal font
2292 dc
.SetFont( m_normalFont
);
2295 // Now y stands for the top of the item, whereas it used to stand for middle !
2296 void wxGenericTreeCtrl::PaintLevel( wxGenericTreeItem
*item
, wxDC
&dc
, int level
, int &y
)
2298 int x
= level
*m_indent
;
2299 if (!HasFlag(wxTR_HIDE_ROOT
))
2303 else if (level
== 0)
2305 // always expand hidden root
2307 wxArrayGenericTreeItems
& children
= item
->GetChildren();
2308 int count
= children
.GetCount();
2314 PaintLevel(children
[n
], dc
, 1, y
);
2315 } while (++n
< count
);
2317 if (!HasFlag(wxTR_NO_LINES
) && HasFlag(wxTR_LINES_AT_ROOT
) && count
> 0)
2319 // draw line down to last child
2320 origY
+= GetLineHeight(children
[0])>>1;
2321 oldY
+= GetLineHeight(children
[n
-1])>>1;
2322 dc
.DrawLine(3, origY
, 3, oldY
);
2328 item
->SetX(x
+m_spacing
);
2331 int h
= GetLineHeight(item
);
2333 int y_mid
= y_top
+ (h
>>1);
2336 int exposed_x
= dc
.LogicalToDeviceX(0);
2337 int exposed_y
= dc
.LogicalToDeviceY(y_top
);
2339 if (IsExposed(exposed_x
, exposed_y
, 10000, h
)) // 10000 = very much
2343 // don't draw rect outline if we already have the
2344 // background color under Mac
2345 (item
->IsSelected() && m_hasFocus
) ? wxBLACK_PEN
:
2346 #endif // !__WXMAC__
2350 if ( item
->IsSelected()
2352 // On wxMac, if the tree doesn't have the focus we draw an empty
2353 // rectangle, so we want to make sure that the text is visible
2354 // against the normal background, not the highlightbackground, so
2355 // don't use the highlight text colour unless we have the focus.
2356 && m_hasFocus
&& IsControlActive( (ControlRef
)GetHandle() )
2363 colText
= wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT
);
2368 wxTreeItemAttr
*attr
= item
->GetAttributes();
2369 if (attr
&& attr
->HasTextColour())
2370 colText
= attr
->GetTextColour();
2372 colText
= GetForegroundColour();
2376 dc
.SetTextForeground(colText
);
2380 PaintItem(item
, dc
);
2382 if (HasFlag(wxTR_ROW_LINES
))
2384 // if the background colour is white, choose a
2385 // contrasting color for the lines
2386 dc
.SetPen(*((GetBackgroundColour() == *wxWHITE
)
2387 ? wxMEDIUM_GREY_PEN
: wxWHITE_PEN
));
2388 dc
.DrawLine(0, y_top
, 10000, y_top
);
2389 dc
.DrawLine(0, y
, 10000, y
);
2392 // restore DC objects
2393 dc
.SetBrush(*wxWHITE_BRUSH
);
2394 dc
.SetPen(m_dottedPen
);
2395 dc
.SetTextForeground(*wxBLACK
);
2397 if ( !HasFlag(wxTR_NO_LINES
) )
2399 // draw the horizontal line here
2401 if (x
> (signed)m_indent
)
2402 x_start
-= m_indent
;
2403 else if (HasFlag(wxTR_LINES_AT_ROOT
))
2405 dc
.DrawLine(x_start
, y_mid
, x
+ m_spacing
, y_mid
);
2408 // should the item show a button?
2409 if ( item
->HasPlus() && HasButtons() )
2411 if ( m_imageListButtons
)
2413 // draw the image button here
2416 int image
= item
->IsExpanded() ? wxTreeItemIcon_Expanded
2417 : wxTreeItemIcon_Normal
;
2418 if ( item
->IsSelected() )
2419 image
+= wxTreeItemIcon_Selected
- wxTreeItemIcon_Normal
;
2421 m_imageListButtons
->GetSize(image
, image_w
, image_h
);
2422 int xx
= x
- image_w
/2;
2423 int yy
= y_mid
- image_h
/2;
2425 wxDCClipper
clip(dc
, xx
, yy
, image_w
, image_h
);
2426 m_imageListButtons
->Draw(image
, dc
, xx
, yy
,
2427 wxIMAGELIST_DRAW_TRANSPARENT
);
2429 else // no custom buttons
2431 static const int wImage
= 9;
2432 static const int hImage
= 9;
2435 if (item
->IsExpanded())
2436 flag
|= wxCONTROL_EXPANDED
;
2437 if (item
== m_underMouse
)
2438 flag
|= wxCONTROL_CURRENT
;
2440 wxRendererNative::Get().DrawTreeItemButton
2444 wxRect(x
- wImage
/2,
2453 if (item
->IsExpanded())
2455 wxArrayGenericTreeItems
& children
= item
->GetChildren();
2456 int count
= children
.GetCount();
2463 PaintLevel(children
[n
], dc
, level
, y
);
2464 } while (++n
< count
);
2466 if (!HasFlag(wxTR_NO_LINES
) && count
> 0)
2468 // draw line down to last child
2469 oldY
+= GetLineHeight(children
[n
-1])>>1;
2470 if (HasButtons()) y_mid
+= 5;
2472 // Only draw the portion of the line that is visible, in case it is huge
2473 wxCoord xOrigin
=0, yOrigin
=0, width
, height
;
2474 dc
.GetDeviceOrigin(&xOrigin
, &yOrigin
);
2475 yOrigin
= abs(yOrigin
);
2476 GetClientSize(&width
, &height
);
2478 // Move end points to the begining/end of the view?
2479 if (y_mid
< yOrigin
)
2481 if (oldY
> yOrigin
+ height
)
2482 oldY
= yOrigin
+ height
;
2484 // after the adjustments if y_mid is larger than oldY then the line
2485 // isn't visible at all so don't draw anything
2487 dc
.DrawLine(x
, y_mid
, x
, oldY
);
2493 void wxGenericTreeCtrl::DrawDropEffect(wxGenericTreeItem
*item
)
2497 if ( item
->HasPlus() )
2499 // it's a folder, indicate it by a border
2504 // draw a line under the drop target because the item will be
2506 DrawLine(item
, !m_dropEffectAboveItem
);
2509 SetCursor(wxCURSOR_BULLSEYE
);
2514 SetCursor(wxCURSOR_NO_ENTRY
);
2518 void wxGenericTreeCtrl::DrawBorder(const wxTreeItemId
&item
)
2520 wxCHECK_RET( item
.IsOk(), _T("invalid item in wxGenericTreeCtrl::DrawLine") );
2522 wxGenericTreeItem
*i
= (wxGenericTreeItem
*) item
.m_pItem
;
2524 wxClientDC
dc(this);
2526 dc
.SetLogicalFunction(wxINVERT
);
2527 dc
.SetBrush(*wxTRANSPARENT_BRUSH
);
2529 int w
= i
->GetWidth() + 2;
2530 int h
= GetLineHeight(i
) + 2;
2532 dc
.DrawRectangle( i
->GetX() - 1, i
->GetY() - 1, w
, h
);
2535 void wxGenericTreeCtrl::DrawLine(const wxTreeItemId
&item
, bool below
)
2537 wxCHECK_RET( item
.IsOk(), _T("invalid item in wxGenericTreeCtrl::DrawLine") );
2539 wxGenericTreeItem
*i
= (wxGenericTreeItem
*) item
.m_pItem
;
2541 wxClientDC
dc(this);
2543 dc
.SetLogicalFunction(wxINVERT
);
2549 y
+= GetLineHeight(i
) - 1;
2552 dc
.DrawLine( x
, y
, x
+ i
->GetWidth(), y
);
2555 // -----------------------------------------------------------------------------
2556 // wxWidgets callbacks
2557 // -----------------------------------------------------------------------------
2559 void wxGenericTreeCtrl::OnSize( wxSizeEvent
&event
)
2562 if (HasFlag( wxTR_FULL_ROW_HIGHLIGHT
) && m_current
)
2563 RefreshLine( m_current
);
2569 void wxGenericTreeCtrl::OnPaint( wxPaintEvent
&WXUNUSED(event
) )
2577 dc
.SetFont( m_normalFont
);
2578 dc
.SetPen( m_dottedPen
);
2580 // this is now done dynamically
2581 //if(GetImageList() == NULL)
2582 // m_lineHeight = (int)(dc.GetCharHeight() + 4);
2585 PaintLevel( m_anchor
, dc
, 0, y
);
2588 void wxGenericTreeCtrl::OnSetFocus( wxFocusEvent
&event
)
2597 void wxGenericTreeCtrl::OnKillFocus( wxFocusEvent
&event
)
2606 void wxGenericTreeCtrl::OnChar( wxKeyEvent
&event
)
2608 wxTreeEvent
te( wxEVT_COMMAND_TREE_KEY_DOWN
, this);
2609 te
.m_evtKey
= event
;
2610 if ( GetEventHandler()->ProcessEvent( te
) )
2612 // intercepted by the user code
2616 if ( (m_current
== 0) || (m_key_current
== 0) )
2622 // how should the selection work for this event?
2623 bool is_multiple
, extended_select
, unselect_others
;
2624 EventFlagsToSelType(GetWindowStyleFlag(),
2627 is_multiple
, extended_select
, unselect_others
);
2629 if (GetLayoutDirection() == wxLayout_RightToLeft
)
2631 if (event
.GetKeyCode() == WXK_RIGHT
)
2632 event
.m_keyCode
= WXK_LEFT
;
2633 else if (event
.GetKeyCode() == WXK_LEFT
)
2634 event
.m_keyCode
= WXK_RIGHT
;
2639 // * : Expand all/Collapse all
2640 // ' ' | return : activate
2641 // up : go up (not last children!)
2643 // left : go to parent
2644 // right : open if parent and go next
2645 // home : go to root
2646 // end : go to last item without opening parents
2647 // alnum : start or continue searching for the item with this prefix
2648 int keyCode
= event
.GetKeyCode();
2653 if (m_current
->HasPlus() && !IsExpanded(m_current
))
2661 if ( !IsExpanded(m_current
) )
2664 ExpandAllChildren(m_current
);
2667 //else: fall through to Collapse() it
2671 if (IsExpanded(m_current
))
2673 Collapse(m_current
);
2679 // Use the item's bounding rectangle to determine position for the event
2681 GetBoundingRect(m_current
, ItemRect
, true);
2683 wxTreeEvent
eventMenu(wxEVT_COMMAND_TREE_ITEM_MENU
, this, m_current
);
2684 // Use the left edge, vertical middle
2685 eventMenu
.m_pointDrag
= wxPoint(ItemRect
.GetX(),
2686 ItemRect
.GetY() + ItemRect
.GetHeight() / 2);
2687 GetEventHandler()->ProcessEvent( eventMenu
);
2693 if ( !event
.HasModifiers() )
2695 wxTreeEvent
eventAct(wxEVT_COMMAND_TREE_ITEM_ACTIVATED
, this, m_current
);
2696 GetEventHandler()->ProcessEvent( eventAct
);
2699 // in any case, also generate the normal key event for this key,
2700 // even if we generated the ACTIVATED event above: this is what
2701 // wxMSW does and it makes sense because you might not want to
2702 // process ACTIVATED event at all and handle Space and Return
2703 // directly (and differently) which would be impossible otherwise
2707 // up goes to the previous sibling or to the last
2708 // of its children if it's expanded
2711 wxTreeItemId prev
= GetPrevSibling( m_key_current
);
2714 prev
= GetItemParent( m_key_current
);
2715 if ((prev
== GetRootItem()) && HasFlag(wxTR_HIDE_ROOT
))
2717 break; // don't go to root if it is hidden
2721 wxTreeItemIdValue cookie
;
2722 wxTreeItemId current
= m_key_current
;
2723 // TODO: Huh? If we get here, we'd better be the first child of our parent. How else could it be?
2724 if (current
== GetFirstChild( prev
, cookie
))
2726 // otherwise we return to where we came from
2727 DoSelectItem( prev
, unselect_others
, extended_select
);
2728 m_key_current
= (wxGenericTreeItem
*) prev
.m_pItem
;
2735 while ( IsExpanded(prev
) && HasChildren(prev
) )
2737 wxTreeItemId child
= GetLastChild(prev
);
2744 DoSelectItem( prev
, unselect_others
, extended_select
);
2745 m_key_current
=(wxGenericTreeItem
*) prev
.m_pItem
;
2750 // left arrow goes to the parent
2753 wxTreeItemId prev
= GetItemParent( m_current
);
2754 if ((prev
== GetRootItem()) && HasFlag(wxTR_HIDE_ROOT
))
2756 // don't go to root if it is hidden
2757 prev
= GetPrevSibling( m_current
);
2761 DoSelectItem( prev
, unselect_others
, extended_select
);
2767 // this works the same as the down arrow except that we
2768 // also expand the item if it wasn't expanded yet
2774 if (IsExpanded(m_key_current
) && HasChildren(m_key_current
))
2776 wxTreeItemIdValue cookie
;
2777 wxTreeItemId child
= GetFirstChild( m_key_current
, cookie
);
2778 DoSelectItem( child
, unselect_others
, extended_select
);
2779 m_key_current
=(wxGenericTreeItem
*) child
.m_pItem
;
2783 wxTreeItemId next
= GetNextSibling( m_key_current
);
2786 wxTreeItemId current
= m_key_current
;
2787 while (current
.IsOk() && !next
)
2789 current
= GetItemParent( current
);
2790 if (current
) next
= GetNextSibling( current
);
2795 DoSelectItem( next
, unselect_others
, extended_select
);
2796 m_key_current
=(wxGenericTreeItem
*) next
.m_pItem
;
2802 // <End> selects the last visible tree item
2805 wxTreeItemId last
= GetRootItem();
2807 while ( last
.IsOk() && IsExpanded(last
) )
2809 wxTreeItemId lastChild
= GetLastChild(last
);
2811 // it may happen if the item was expanded but then all of
2812 // its children have been deleted - so IsExpanded() returned
2813 // true, but GetLastChild() returned invalid item
2822 DoSelectItem( last
, unselect_others
, extended_select
);
2827 // <Home> selects the root item
2830 wxTreeItemId prev
= GetRootItem();
2834 if ( HasFlag(wxTR_HIDE_ROOT
) )
2836 wxTreeItemIdValue cookie
;
2837 prev
= GetFirstChild(prev
, cookie
);
2842 DoSelectItem( prev
, unselect_others
, extended_select
);
2847 // do not use wxIsalnum() here
2848 if ( !event
.HasModifiers() &&
2849 ((keyCode
>= '0' && keyCode
<= '9') ||
2850 (keyCode
>= 'a' && keyCode
<= 'z') ||
2851 (keyCode
>= 'A' && keyCode
<= 'Z' )))
2853 // find the next item starting with the given prefix
2854 wxChar ch
= (wxChar
)keyCode
;
2856 wxTreeItemId id
= FindItem(m_current
, m_findPrefix
+ ch
);
2867 // also start the timer to reset the current prefix if the user
2868 // doesn't press any more alnum keys soon -- we wouldn't want
2869 // to use this prefix for a new item search
2872 m_findTimer
= new wxTreeFindTimer(this);
2875 m_findTimer
->Start(wxTreeFindTimer::DELAY
, wxTIMER_ONE_SHOT
);
2885 wxGenericTreeCtrl::DoTreeHitTest(const wxPoint
& point
, int& flags
) const
2890 if (point
.x
<0) flags
|= wxTREE_HITTEST_TOLEFT
;
2891 if (point
.x
>w
) flags
|= wxTREE_HITTEST_TORIGHT
;
2892 if (point
.y
<0) flags
|= wxTREE_HITTEST_ABOVE
;
2893 if (point
.y
>h
) flags
|= wxTREE_HITTEST_BELOW
;
2894 if (flags
) return wxTreeItemId();
2896 if (m_anchor
== NULL
)
2898 flags
= wxTREE_HITTEST_NOWHERE
;
2899 return wxTreeItemId();
2902 wxGenericTreeItem
*hit
= m_anchor
->HitTest(CalcUnscrolledPosition(point
),
2906 flags
= wxTREE_HITTEST_NOWHERE
;
2907 return wxTreeItemId();
2912 // get the bounding rectangle of the item (or of its label only)
2913 bool wxGenericTreeCtrl::GetBoundingRect(const wxTreeItemId
& item
,
2915 bool textOnly
) const
2917 wxCHECK_MSG( item
.IsOk(), false, _T("invalid item in wxGenericTreeCtrl::GetBoundingRect") );
2919 wxGenericTreeItem
*i
= (wxGenericTreeItem
*) item
.m_pItem
;
2924 rect
.width
= i
->GetWidth();
2926 if ( m_imageListNormal
)
2928 int image_w
, image_h
;
2929 m_imageListNormal
->GetSize( 0, image_w
, image_h
);
2930 rect
.width
+= image_w
+ MARGIN_BETWEEN_IMAGE_AND_TEXT
;
2933 else // the entire line
2936 rect
.width
= GetClientSize().x
;
2940 rect
.height
= GetLineHeight(i
);
2942 // we have to return the logical coordinates, not physical ones
2943 rect
.SetTopLeft(CalcScrolledPosition(rect
.GetTopLeft()));
2948 wxTextCtrl
*wxGenericTreeCtrl::EditLabel(const wxTreeItemId
& item
,
2949 wxClassInfo
* WXUNUSED(textCtrlClass
))
2951 wxCHECK_MSG( item
.IsOk(), NULL
, _T("can't edit an invalid item") );
2953 wxGenericTreeItem
*itemEdit
= (wxGenericTreeItem
*)item
.m_pItem
;
2955 wxTreeEvent
te(wxEVT_COMMAND_TREE_BEGIN_LABEL_EDIT
, this, itemEdit
);
2956 if ( GetEventHandler()->ProcessEvent( te
) && !te
.IsAllowed() )
2962 // We have to call this here because the label in
2963 // question might just have been added and no screen
2964 // update taken place.
2966 #if defined( __WXMSW__ ) || defined(__WXMAC__)
2969 DoDirtyProcessing();
2972 // TODO: use textCtrlClass here to create the control of correct class
2973 m_textCtrl
= new wxTreeTextCtrl(this, itemEdit
);
2975 m_textCtrl
->SetFocus();
2980 // returns a pointer to the text edit control if the item is being
2981 // edited, NULL otherwise (it's assumed that no more than one item may
2982 // be edited simultaneously)
2983 wxTextCtrl
* wxGenericTreeCtrl::GetEditControl() const
2988 void wxGenericTreeCtrl::EndEditLabel(const wxTreeItemId
& WXUNUSED(item
),
2989 bool discardChanges
)
2991 wxCHECK_RET( m_textCtrl
, _T("not editing label") );
2993 m_textCtrl
->EndEdit(discardChanges
);
2996 bool wxGenericTreeCtrl::OnRenameAccept(wxGenericTreeItem
*item
,
2997 const wxString
& value
)
2999 wxTreeEvent
le(wxEVT_COMMAND_TREE_END_LABEL_EDIT
, this, item
);
3001 le
.m_editCancelled
= false;
3003 return !GetEventHandler()->ProcessEvent( le
) || le
.IsAllowed();
3006 void wxGenericTreeCtrl::OnRenameCancelled(wxGenericTreeItem
*item
)
3008 // let owner know that the edit was cancelled
3009 wxTreeEvent
le(wxEVT_COMMAND_TREE_END_LABEL_EDIT
, this, item
);
3010 le
.m_label
= wxEmptyString
;
3011 le
.m_editCancelled
= true;
3013 GetEventHandler()->ProcessEvent( le
);
3016 void wxGenericTreeCtrl::OnRenameTimer()
3018 EditLabel( m_current
);
3021 void wxGenericTreeCtrl::OnMouse( wxMouseEvent
&event
)
3023 if ( !m_anchor
)return;
3025 wxPoint pt
= CalcUnscrolledPosition(event
.GetPosition());
3027 // Is the mouse over a tree item button?
3029 wxGenericTreeItem
*thisItem
= m_anchor
->HitTest(pt
, this, flags
, 0);
3030 wxGenericTreeItem
*underMouse
= thisItem
;
3032 bool underMouseChanged
= (underMouse
!= m_underMouse
) ;
3033 #endif // wxUSE_TOOLTIPS
3036 (flags
& wxTREE_HITTEST_ONITEMBUTTON
) &&
3037 (!event
.LeftIsDown()) &&
3039 (!m_renameTimer
|| !m_renameTimer
->IsRunning()))
3047 if (underMouse
!= m_underMouse
)
3051 // unhighlight old item
3052 wxGenericTreeItem
*tmp
= m_underMouse
;
3053 m_underMouse
= NULL
;
3057 m_underMouse
= underMouse
;
3059 RefreshLine( m_underMouse
);
3063 // Determines what item we are hovering over and need a tooltip for
3064 wxTreeItemId hoverItem
= thisItem
;
3066 // We do not want a tooltip if we are dragging, or if the rename timer is running
3067 if (underMouseChanged
&& hoverItem
.IsOk() && !m_isDragging
&& (!m_renameTimer
|| !m_renameTimer
->IsRunning()))
3069 // Ask the tree control what tooltip (if any) should be shown
3070 wxTreeEvent
hevent(wxEVT_COMMAND_TREE_ITEM_GETTOOLTIP
, this, hoverItem
);
3072 if ( GetEventHandler()->ProcessEvent(hevent
) && hevent
.IsAllowed() )
3074 SetToolTip(hevent
.m_label
);
3079 // we process left mouse up event (enables in-place edit), middle/right down
3080 // (pass to the user code), left dbl click (activate item) and
3081 // dragging/moving events for items drag-and-drop
3082 if ( !(event
.LeftDown() ||
3084 event
.MiddleDown() ||
3085 event
.RightDown() ||
3086 event
.LeftDClick() ||
3088 ((event
.Moving() || event
.RightUp()) && m_isDragging
)) )
3097 wxGenericTreeItem
*item
= m_anchor
->HitTest(pt
, this, flags
, 0);
3099 if ( event
.Dragging() && !m_isDragging
)
3101 if (m_dragCount
== 0)
3106 if (m_dragCount
!= 3)
3108 // wait until user drags a bit further...
3112 wxEventType command
= event
.RightIsDown()
3113 ? wxEVT_COMMAND_TREE_BEGIN_RDRAG
3114 : wxEVT_COMMAND_TREE_BEGIN_DRAG
;
3116 wxTreeEvent
nevent(command
, this, m_current
);
3117 nevent
.SetPoint(CalcScrolledPosition(pt
));
3119 // by default the dragging is not supported, the user code must
3120 // explicitly allow the event for it to take place
3123 if ( GetEventHandler()->ProcessEvent(nevent
) && nevent
.IsAllowed() )
3125 // we're going to drag this item
3126 m_isDragging
= true;
3128 // remember the old cursor because we will change it while
3130 m_oldCursor
= m_cursor
;
3132 // in a single selection control, hide the selection temporarily
3133 if ( !(GetWindowStyleFlag() & wxTR_MULTIPLE
) )
3135 m_oldSelection
= (wxGenericTreeItem
*) GetSelection().m_pItem
;
3137 if ( m_oldSelection
)
3139 m_oldSelection
->SetHilight(false);
3140 RefreshLine(m_oldSelection
);
3147 else if ( event
.Dragging() )
3149 if ( item
!= m_dropTarget
)
3151 // unhighlight the previous drop target
3152 DrawDropEffect(m_dropTarget
);
3154 m_dropTarget
= item
;
3156 // highlight the current drop target if any
3157 DrawDropEffect(m_dropTarget
);
3159 #if defined(__WXMSW__) || defined(__WXMAC__) || defined(__WXGTK20__)
3166 else if ( (event
.LeftUp() || event
.RightUp()) && m_isDragging
)
3170 // erase the highlighting
3171 DrawDropEffect(m_dropTarget
);
3173 if ( m_oldSelection
)
3175 m_oldSelection
->SetHilight(true);
3176 RefreshLine(m_oldSelection
);
3177 m_oldSelection
= (wxGenericTreeItem
*)NULL
;
3180 // generate the drag end event
3181 wxTreeEvent
eventEndDrag(wxEVT_COMMAND_TREE_END_DRAG
, this, item
);
3183 eventEndDrag
.m_pointDrag
= CalcScrolledPosition(pt
);
3185 (void)GetEventHandler()->ProcessEvent(eventEndDrag
);
3187 m_isDragging
= false;
3188 m_dropTarget
= (wxGenericTreeItem
*)NULL
;
3190 SetCursor(m_oldCursor
);
3192 #if defined( __WXMSW__ ) || defined(__WXMAC__)
3200 // If we got to this point, we are not dragging or moving the mouse.
3201 // Because the code in carbon/toplevel.cpp will only set focus to the tree
3202 // if we skip for EVT_LEFT_DOWN, we MUST skip this event here for focus to work.
3203 // We skip even if we didn't hit an item because we still should
3204 // restore focus to the tree control even if we didn't exactly hit an item.
3205 if ( event
.LeftDown() )
3210 // here we process only the messages which happen on tree items
3214 if (item
== NULL
) return; /* we hit the blank area */
3216 if ( event
.RightDown() )
3218 // If the item is already selected, do not update the selection.
3219 // Multi-selections should not be cleared if a selected item is clicked.
3220 if (!IsSelected(item
))
3222 DoSelectItem(item
, true, false);
3225 wxTreeEvent
nevent(wxEVT_COMMAND_TREE_ITEM_RIGHT_CLICK
, this, item
);
3226 nevent
.m_pointDrag
= CalcScrolledPosition(pt
);
3227 event
.Skip(!GetEventHandler()->ProcessEvent(nevent
));
3229 // Consistent with MSW (for now), send the ITEM_MENU *after*
3230 // the RIGHT_CLICK event. TODO: This behavior may change.
3231 wxTreeEvent
nevent2(wxEVT_COMMAND_TREE_ITEM_MENU
, this, item
);
3232 nevent2
.m_pointDrag
= CalcScrolledPosition(pt
);
3233 GetEventHandler()->ProcessEvent(nevent2
);
3235 else if ( event
.MiddleDown() )
3237 wxTreeEvent
nevent(wxEVT_COMMAND_TREE_ITEM_MIDDLE_CLICK
, this, item
);
3238 nevent
.m_pointDrag
= CalcScrolledPosition(pt
);
3239 event
.Skip(!GetEventHandler()->ProcessEvent(nevent
));
3241 else if ( event
.LeftUp() )
3243 // this facilitates multiple-item drag-and-drop
3245 if ( /* item && */ HasFlag(wxTR_MULTIPLE
))
3247 wxArrayTreeItemIds selections
;
3248 size_t count
= GetSelections(selections
);
3254 DoSelectItem(item
, true, false);
3260 if ( (item
== m_current
) &&
3261 (flags
& wxTREE_HITTEST_ONITEMLABEL
) &&
3262 HasFlag(wxTR_EDIT_LABELS
) )
3264 if ( m_renameTimer
)
3266 if ( m_renameTimer
->IsRunning() )
3267 m_renameTimer
->Stop();
3271 m_renameTimer
= new wxTreeRenameTimer( this );
3274 m_renameTimer
->Start( wxTreeRenameTimer::DELAY
, true );
3277 m_lastOnSame
= false;
3280 else // !RightDown() && !MiddleDown() && !LeftUp() ==> LeftDown() || LeftDClick()
3282 if ( event
.LeftDown() )
3284 m_lastOnSame
= item
== m_current
;
3287 if ( flags
& wxTREE_HITTEST_ONITEMBUTTON
)
3289 // only toggle the item for a single click, double click on
3290 // the button doesn't do anything (it toggles the item twice)
3291 if ( event
.LeftDown() )
3296 // don't select the item if the button was clicked
3301 // clear the previously selected items, if the
3302 // user clicked outside of the present selection.
3303 // otherwise, perform the deselection on mouse-up.
3304 // this allows multiple drag and drop to work.
3305 // but if Cmd is down, toggle selection of the clicked item
3306 if (!IsSelected(item
) || event
.CmdDown())
3308 // how should the selection work for this event?
3309 bool is_multiple
, extended_select
, unselect_others
;
3310 EventFlagsToSelType(GetWindowStyleFlag(),
3313 is_multiple
, extended_select
, unselect_others
);
3315 DoSelectItem(item
, unselect_others
, extended_select
);
3319 // For some reason, Windows isn't recognizing a left double-click,
3320 // so we need to simulate it here. Allow 200 milliseconds for now.
3321 if ( event
.LeftDClick() )
3323 // double clicking should not start editing the item label
3324 if ( m_renameTimer
)
3325 m_renameTimer
->Stop();
3327 m_lastOnSame
= false;
3329 // send activate event first
3330 wxTreeEvent
nevent(wxEVT_COMMAND_TREE_ITEM_ACTIVATED
, this, item
);
3331 nevent
.m_pointDrag
= CalcScrolledPosition(pt
);
3332 if ( !GetEventHandler()->ProcessEvent( nevent
) )
3334 // if the user code didn't process the activate event,
3335 // handle it ourselves by toggling the item when it is
3337 if ( item
->HasPlus() )
3347 void wxGenericTreeCtrl::OnInternalIdle()
3349 wxWindow::OnInternalIdle();
3351 // Check if we need to select the root item
3352 // because nothing else has been selected.
3353 // Delaying it means that we can invoke event handlers
3354 // as required, when a first item is selected.
3355 if (!HasFlag(wxTR_MULTIPLE
) && !GetSelection().IsOk())
3358 SelectItem(m_select_me
);
3359 else if (GetRootItem().IsOk())
3360 SelectItem(GetRootItem());
3363 // after all changes have been done to the tree control,
3364 // actually redraw the tree when everything is over
3366 DoDirtyProcessing();
3369 void wxGenericTreeCtrl::CalculateSize( wxGenericTreeItem
*item
, wxDC
&dc
)
3374 wxTreeItemAttr
*attr
= item
->GetAttributes();
3375 if ( attr
&& attr
->HasFont() )
3376 dc
.SetFont(attr
->GetFont());
3377 else if ( item
->IsBold() )
3378 dc
.SetFont(m_boldFont
);
3380 dc
.SetFont(m_normalFont
);
3382 dc
.GetTextExtent( item
->GetText(), &text_w
, &text_h
);
3385 // restore normal font
3386 dc
.SetFont( m_normalFont
);
3390 int image
= item
->GetCurrentImage();
3391 if ( image
!= NO_IMAGE
)
3393 if ( m_imageListNormal
)
3395 m_imageListNormal
->GetSize( image
, image_w
, image_h
);
3396 image_w
+= MARGIN_BETWEEN_IMAGE_AND_TEXT
;
3400 int total_h
= (image_h
> text_h
) ? image_h
: text_h
;
3403 total_h
+= 2; // at least 2 pixels
3405 total_h
+= total_h
/10; // otherwise 10% extra spacing
3407 item
->SetHeight(total_h
);
3408 if (total_h
>m_lineHeight
)
3409 m_lineHeight
=total_h
;
3411 item
->SetWidth(image_w
+text_w
+2);
3414 // -----------------------------------------------------------------------------
3415 // for developper : y is now the top of the level
3416 // not the middle of it !
3417 void wxGenericTreeCtrl::CalculateLevel( wxGenericTreeItem
*item
, wxDC
&dc
, int level
, int &y
)
3419 int x
= level
*m_indent
;
3420 if (!HasFlag(wxTR_HIDE_ROOT
))
3424 else if (level
== 0)
3426 // a hidden root is not evaluated, but its
3427 // children are always calculated
3431 CalculateSize( item
, dc
);
3434 item
->SetX( x
+m_spacing
);
3436 y
+= GetLineHeight(item
);
3438 if ( !item
->IsExpanded() )
3440 // we don't need to calculate collapsed branches
3445 wxArrayGenericTreeItems
& children
= item
->GetChildren();
3446 size_t n
, count
= children
.GetCount();
3448 for (n
= 0; n
< count
; ++n
)
3449 CalculateLevel( children
[n
], dc
, level
, y
); // recurse
3452 void wxGenericTreeCtrl::CalculatePositions()
3454 if ( !m_anchor
) return;
3456 wxClientDC
dc(this);
3459 dc
.SetFont( m_normalFont
);
3461 dc
.SetPen( m_dottedPen
);
3462 //if(GetImageList() == NULL)
3463 // m_lineHeight = (int)(dc.GetCharHeight() + 4);
3466 CalculateLevel( m_anchor
, dc
, 0, y
); // start recursion
3469 void wxGenericTreeCtrl::Refresh(bool eraseBackground
, const wxRect
*rect
)
3471 if ( !m_freezeCount
)
3472 wxTreeCtrlBase::Refresh(eraseBackground
, rect
);
3475 void wxGenericTreeCtrl::RefreshSubtree(wxGenericTreeItem
*item
)
3477 if (m_dirty
|| m_freezeCount
)
3480 wxSize client
= GetClientSize();
3483 CalcScrolledPosition(0, item
->GetY(), NULL
, &rect
.y
);
3484 rect
.width
= client
.x
;
3485 rect
.height
= client
.y
;
3487 Refresh(true, &rect
);
3489 AdjustMyScrollbars();
3492 void wxGenericTreeCtrl::RefreshLine( wxGenericTreeItem
*item
)
3494 if (m_dirty
|| m_freezeCount
)
3498 CalcScrolledPosition(0, item
->GetY(), NULL
, &rect
.y
);
3499 rect
.width
= GetClientSize().x
;
3500 rect
.height
= GetLineHeight(item
); //dc.GetCharHeight() + 6;
3502 Refresh(true, &rect
);
3505 void wxGenericTreeCtrl::RefreshSelected()
3510 // TODO: this is awfully inefficient, we should keep the list of all
3511 // selected items internally, should be much faster
3513 RefreshSelectedUnder(m_anchor
);
3516 void wxGenericTreeCtrl::RefreshSelectedUnder(wxGenericTreeItem
*item
)
3521 if ( item
->IsSelected() )
3524 const wxArrayGenericTreeItems
& children
= item
->GetChildren();
3525 size_t count
= children
.GetCount();
3526 for ( size_t n
= 0; n
< count
; n
++ )
3528 RefreshSelectedUnder(children
[n
]);
3532 void wxGenericTreeCtrl::Freeze()
3537 void wxGenericTreeCtrl::Thaw()
3539 wxCHECK_RET( m_freezeCount
> 0, _T("thawing unfrozen tree control?") );
3541 if ( --m_freezeCount
== 0 )
3547 // ----------------------------------------------------------------------------
3548 // changing colours: we need to refresh the tree control
3549 // ----------------------------------------------------------------------------
3551 bool wxGenericTreeCtrl::SetBackgroundColour(const wxColour
& colour
)
3553 if ( !wxWindow::SetBackgroundColour(colour
) )
3561 bool wxGenericTreeCtrl::SetForegroundColour(const wxColour
& colour
)
3563 if ( !wxWindow::SetForegroundColour(colour
) )
3571 // Process the tooltip event, to speed up event processing.
3572 // Doesn't actually get a tooltip.
3573 void wxGenericTreeCtrl::OnGetToolTip( wxTreeEvent
&event
)
3579 // NOTE: If using the wxListBox visual attributes works everywhere then this can
3580 // be removed, as well as the #else case below.
3581 #define _USE_VISATTR 0
3586 wxGenericTreeCtrl::GetClassDefaultAttributes(wxWindowVariant variant
)
3588 wxGenericTreeCtrl::GetClassDefaultAttributes(wxWindowVariant
WXUNUSED(variant
))
3592 // Use the same color scheme as wxListBox
3593 return wxListBox::GetClassDefaultAttributes(variant
);
3595 wxVisualAttributes attr
;
3596 attr
.colFg
= wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT
);
3597 attr
.colBg
= wxSystemSettings::GetColour(wxSYS_COLOUR_LISTBOX
);
3598 attr
.font
= wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT
);
3603 void wxGenericTreeCtrl::DoDirtyProcessing()
3610 CalculatePositions();
3612 AdjustMyScrollbars();
3615 wxSize
wxGenericTreeCtrl::DoGetBestSize() const
3617 // make sure all positions are calculated as normally this only done during
3618 // idle time but we need them for base class DoGetBestSize() to return the
3620 wxConstCast(this, wxGenericTreeCtrl
)->CalculatePositions();
3622 wxSize size
= wxTreeCtrlBase::DoGetBestSize();
3624 // there seems to be an implicit extra border around the items, although
3625 // I'm not really sure where does it come from -- but without this, the
3626 // scrollbars appear in a tree with default/best size
3629 // and the border has to be rounded up to a multiple of PIXELS_PER_UNIT or
3630 // scrollbars still appear
3631 const wxSize
& borderSize
= GetWindowBorderSize();
3633 int dx
= (size
.x
- borderSize
.x
) % PIXELS_PER_UNIT
;
3635 size
.x
+= PIXELS_PER_UNIT
- dx
;
3636 int dy
= (size
.y
- borderSize
.y
) % PIXELS_PER_UNIT
;
3638 size
.y
+= PIXELS_PER_UNIT
- dy
;
3640 // we need to update the cache too as the base class cached its own value
3641 CacheBestSize(size
);
3646 #endif // wxUSE_TREECTRL