// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
+
#ifdef __GNUG__
#pragma interface "treectrl.h"
#endif
-#include "wx/control.h"
-#include "wx/event.h"
+#include "wx/textctrl.h"
+#include "wx/dynarray.h"
+
+#ifdef __GNUWIN32__
+ // Cygwin windows.h defines these identifiers
+ #undef GetFirstChild
+ #undef GetNextSibling
+#endif // Cygwin
// the type for "untyped" data
typedef long wxDataType;
// first item precedes the second, +1 if the second precedes the first or 0 if
// they're equivalent
class wxTreeItemData;
-typedef int (*wxTreeItemCmpFunc)(wxTreeItemData *item1, wxTreeItemData *item2);
// ----------------------------------------------------------------------------
// constants
wxTreeItemId(WXHTREEITEM itemId) { m_itemId = (long)itemId; }
operator WXHTREEITEM() const { return (WXHTREEITEM)m_itemId; }
- void operator =(WXHTREEITEM item) { m_itemId = (long) item; }
-
-// wxTreeItemId(long itemId) { m_itemId = itemId; }
+ void operator=(WXHTREEITEM item) { m_itemId = (long) item; }
protected:
long m_itemId;
};
+WX_DEFINE_ARRAY(wxTreeItemId, wxArrayTreeItemIds);
+
// ----------------------------------------------------------------------------
// wxTreeItemData is some (arbitrary) user class associated with some item. The
// main advantage of having this class (compared to old untyped interface) is
// accessors: set/get the item associated with this node
void SetId(const wxTreeItemId& id) { m_itemId = id; }
+#ifdef __WATCOMC__
+ const wxTreeItemId GetId() const { return m_itemId; }
+#else
const wxTreeItemId& GetId() const { return (wxTreeItemId&) m_itemId; }
+#endif
};
// ----------------------------------------------------------------------------
unsigned int GetIndent() const;
void SetIndent(unsigned int indent);
+ // spacing is the number of pixels between the start and the Text
+ // not implemented under wxMSW
+ unsigned int GetSpacing() const { return 18; } // return wxGTK default
+ void SetSpacing(unsigned int ) {}
+
// image list: these functions allow to associate an image list with
// the control and retrieve it. Note that the control does _not_ delete
// the associated image list when it's deleted in order to allow image
// usage and loading time.
void SetItemHasChildren(const wxTreeItemId& item, bool has = TRUE);
+ // the item will be shown in bold
+ void SetItemBold(const wxTreeItemId& item, bool bold = TRUE);
+
+ // the item will be shown with a drop highlight
+ void SetItemDropHighlight(const wxTreeItemId& item, bool highlight = TRUE);
+
// item status inquiries
// ---------------------
bool IsExpanded(const wxTreeItemId& item) const;
// is this item currently selected (the same as has focus)?
bool IsSelected(const wxTreeItemId& item) const;
+ // is item text in bold font?
+ bool IsBold(const wxTreeItemId& item) const;
+
+ // number of children
+ // ------------------
+
+ // if 'recursively' is FALSE, only immediate children count, otherwise
+ // the returned number is the number of all items in this branch
+ size_t GetChildrenCount(const wxTreeItemId& item,
+ bool recursively = TRUE) const;
// navigation
// ----------
// get the item currently selected (may return NULL if no selection)
wxTreeItemId GetSelection() const;
+ // get the items currently selected, return the number of such item
+ //
+ // NB: this operation is expensive and can take a long time for a
+ // control with a lot of items (~ O(number of items)).
+ size_t GetSelections(wxArrayTreeItemIds& selections) const;
+
// get the parent of this item (may return NULL if root)
wxTreeItemId GetParent(const wxTreeItemId& item) const;
wxTreeItemId GetFirstChild(const wxTreeItemId& item, long& _cookie) const;
// get the next child
wxTreeItemId GetNextChild(const wxTreeItemId& item, long& _cookie) const;
+ // get the last child of this item - this method doesn't use cookies
+ wxTreeItemId GetLastChild(const wxTreeItemId& item) const;
// get the next sibling of this item
wxTreeItemId GetNextSibling(const wxTreeItemId& item) const;
// delete this item and associated data if any
void Delete(const wxTreeItemId& item);
+ // delete all children (but don't delete the item itself)
+ // NB: this won't send wxEVT_COMMAND_TREE_ITEM_DELETED events
+ void DeleteChildren(const wxTreeItemId& item);
// delete all items from the tree
+ // NB: this won't send wxEVT_COMMAND_TREE_ITEM_DELETED events
void DeleteAllItems();
// expand this item
// remove the selection from currently selected item (if any)
void Unselect();
+ // unselect all items (only makes sense for multiple selection control)
+ void UnselectAll();
// select this item
void SelectItem(const wxTreeItemId& item);
// make sure this item is visible (expanding the parent item and/or
// end editing and accept or discard the changes to item label
void EndEditLabel(const wxTreeItemId& item, bool discardChanges = FALSE);
- // sort the children of this item using the specified callback function
- // (it should return -1, 0 or +1 as usual), if it's not specified
- // alphabetical comparaison is performed.
+ // sorting
+ // this function is called to compare 2 items and should return -1, 0
+ // or +1 if the first item is less than, equal to or greater than the
+ // second one. The base class version performs alphabetic comparaison
+ // of item labels (GetText)
+ virtual int OnCompareItems(const wxTreeItemId& item1,
+ const wxTreeItemId& item2);
+ // sort the children of this item using OnCompareItems
//
- // NB: this function is not reentrant!
- void SortChildren(const wxTreeItemId& item,
- wxTreeItemCmpFunc *cmpFunction = NULL);
+ // NB: this function is not reentrant and not MT-safe (FIXME)!
+ void SortChildren(const wxTreeItemId& item);
// helpers
// -------
- // @@@ do we really need to expose these functions to the application?
-
- // get the bounding rectangle of the item (or of its label only)
- void GetBoundingRect(const wxTreeItemId& item,
- wxRectangle& rect,
- bool textOnly = FALSE) const;
-
// determine to which item (if any) belongs the given point (the
// coordinates specified are relative to the client area of tree ctrl)
// and fill the flags parameter with a bitmask of wxTREE_HITTEST_xxx
- // constants
+ // constants.
+ //
+ // The first function is more portable (because easier to implement
+ // on other platforms), but the second one returns some extra info.
+ wxTreeItemId HitTest(const wxPoint& point)
+ { int dummy; return HitTest(point, dummy); }
wxTreeItemId HitTest(const wxPoint& point, int& flags);
+ // get the bounding rectangle of the item (or of its label only)
+ bool GetBoundingRect(const wxTreeItemId& item,
+ wxRect& rect,
+ bool textOnly = FALSE) const;
+
// deprecated
// ----------
// implementation
// --------------
- void Command(wxCommandEvent& event) { ProcessCommand(event); };
- bool MSWCommand(WXUINT param, WXWORD id);
- bool MSWNotify(WXWPARAM wParam, WXLPARAM lParam);
+ virtual bool MSWCommand(WXUINT param, WXWORD id);
+ virtual bool MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result);
+
+ // get/set the check state for the item (only for wxTR_MULTIPLE)
+ bool IsItemChecked(const wxTreeItemId& item) const;
+ void SetItemCheck(const wxTreeItemId& item, bool check = TRUE);
protected:
// SetImageList helper
int image, int selectedImage,
wxTreeItemData *data);
+ void DoSetItemImages(const wxTreeItemId& item, int image, int imageSel);
+
void DeleteTextCtrl();
DECLARE_DYNAMIC_CLASS(wxTreeCtrl)
};
-// ----------------------------------------------------------------------------
-// wxTreeEvent is a special class for all events associated with tree controls
-//
-// NB: note that not all accessors make sense for all events, see the event
-// descriptions below
-// ----------------------------------------------------------------------------
-class WXDLLEXPORT wxTreeEvent : public wxCommandEvent
-{
-friend wxTreeCtrl;
-public:
- wxTreeEvent(wxEventType commandType = wxEVT_NULL, int id = 0);
-
- // accessors
- // get the item on which the operation was performed or the newly
- // selected item for wxEVT_COMMAND_TREE_SEL_CHANGED/ING events
- wxTreeItemId GetItem() const { return m_item; }
-
- // for wxEVT_COMMAND_TREE_SEL_CHANGED/ING events, get the previously
- // selected item
- wxTreeItemId GetOldItem() const { return m_itemOld; }
-
- // the point where the mouse was when the drag operation started (for
- // wxEVT_COMMAND_TREE_BEGIN_(R)DRAG events only)
- wxPoint GetPoint() const { return m_pointDrag; }
-
- // keyboard code (for wxEVT_COMMAND_TREE_KEY_DOWN only)
- int GetCode() const { return m_code; }
-
- // set return code for wxEVT_COMMAND_TREE_ITEM_{EXPAND|COLLAPS}ING events
- // call this to forbid the change in item status
- void Veto() { m_code = TRUE; }
-
-private:
- // @@ we could save some space by using union here
- int m_code;
- wxTreeItemId m_item,
- m_itemOld;
- wxPoint m_pointDrag;
-
- DECLARE_DYNAMIC_CLASS(wxTreeEvent)
-};
-
-typedef void (wxEvtHandler::*wxTreeEventFunction)(wxTreeEvent&);
-
-// ----------------------------------------------------------------------------
-// macros for handling tree control events
-// ----------------------------------------------------------------------------
-
-// GetItem() returns the item being dragged, GetPoint() the mouse coords
-#define EVT_TREE_BEGIN_DRAG(id, fn) { wxEVT_COMMAND_TREE_BEGIN_DRAG, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
-#define EVT_TREE_BEGIN_RDRAG(id, fn) { wxEVT_COMMAND_TREE_BEGIN_RDRAG, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
-
-// GetItem() returns the itme whose label is being edited
-#define EVT_TREE_BEGIN_LABEL_EDIT(id, fn) { wxEVT_COMMAND_TREE_BEGIN_LABEL_EDIT, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
-#define EVT_TREE_END_LABEL_EDIT(id, fn) { wxEVT_COMMAND_TREE_END_LABEL_EDIT, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
-
-// provide/update information about GetItem() item
-#define EVT_TREE_GET_INFO(id, fn) { wxEVT_COMMAND_TREE_GET_INFO, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
-#define EVT_TREE_SET_INFO(id, fn) { wxEVT_COMMAND_TREE_SET_INFO, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
-
-// GetItem() is the item being expanded/collapsed, the "ING" versions can use
-#define EVT_TREE_ITEM_EXPANDED(id, fn) { wxEVT_COMMAND_TREE_ITEM_EXPANDED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
-#define EVT_TREE_ITEM_EXPANDING(id, fn) { wxEVT_COMMAND_TREE_ITEM_EXPANDING, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
-#define EVT_TREE_ITEM_COLLAPSED(id, fn) { wxEVT_COMMAND_TREE_ITEM_COLLAPSED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
-#define EVT_TREE_ITEM_COLLAPSING(id, fn) { wxEVT_COMMAND_TREE_ITEM_COLLAPSING, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL },
-
-// GetOldItem() is the item which had the selection previously, GetItem() is
-// the item which acquires selection
-#define EVT_TREE_SEL_CHANGED(id, fn) { wxEVT_COMMAND_TREE_SEL_CHANGED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL },
-#define EVT_TREE_SEL_CHANGING(id, fn) { wxEVT_COMMAND_TREE_SEL_CHANGING, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL },
-
-// GetCode() returns the key code
-// NB: this is the only message for which GetItem() is invalid (you may get the
-// item from GetSelection())
-#define EVT_TREE_KEY_DOWN(id, fn) { wxEVT_COMMAND_TREE_KEY_DOWN, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL },
-
-// GetItem() returns the item being deleted, the associated data (if any) will
-// be deleted just after the return of this event handler (if any)
-#define EVT_TREE_DELETE_ITEM(id, fn) { wxEVT_COMMAND_TREE_DELETE_ITEM, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
-
#endif
// _WX_TREECTRL_H_
projects / wxWidgets.git / blobdiff