A couple more 'int' to UWORD conversions I had not merged into my previous checkin.

[wxWidgets.git] / include / wx / msw / treectrl.h

diff --git a/include/wx/msw/treectrl.h b/include/wx/msw/treectrl.h
index 5aa9d4116251f1aa5fa930985c1658080ec44bf1..483f2023b56c192c736b2d1d13b7f6eb1274ef6f 100644 (file)
--- a/include/wx/msw/treectrl.h
+++ b/include/wx/msw/treectrl.h
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        treectrl.h
+// Name:        wx/msw/treectrl.h

 // Purpose:     wxTreeCtrl class
 // Author:      Julian Smart
 // Modified by: Vadim Zeitlin to be less MSW-specific on 10/10/98
 // Purpose:     wxTreeCtrl class
 // Author:      Julian Smart
 // Modified by: Vadim Zeitlin to be less MSW-specific on 10/10/98


@@ -20,9 +20,9 @@
     #pragma interface "treectrl.h"
 #endif
 
     #pragma interface "treectrl.h"
 #endif
 

-#include "wx/control.h"
-#include "wx/event.h"

 #include "wx/textctrl.h"
 #include "wx/textctrl.h"

+#include "wx/dynarray.h"
+#include "wx/treebase.h"

 
 #ifdef __GNUWIN32__
     // Cygwin windows.h defines these identifiers
 
 #ifdef __GNUWIN32__
     // Cygwin windows.h defines these identifiers


@@ -35,6 +35,7 @@ typedef long wxDataType;
 
 // fwd decl
 class  WXDLLEXPORT wxImageList;
 
 // fwd decl
 class  WXDLLEXPORT wxImageList;

+class  WXDLLEXPORT wxDragImage;

 struct WXDLLEXPORT wxTreeViewItem;
 
 // a callback function used for sorting tree items, it should return -1 if the
 struct WXDLLEXPORT wxTreeViewItem;
 
 // a callback function used for sorting tree items, it should return -1 if the


@@ -42,39 +43,6 @@ struct WXDLLEXPORT wxTreeViewItem;
 // they're equivalent
 class wxTreeItemData;
 
 // they're equivalent
 class wxTreeItemData;
 

-// ----------------------------------------------------------------------------
-// constants
-// ----------------------------------------------------------------------------
-
-// values for the `flags' parameter of wxTreeCtrl::HitTest() which determine
-// where exactly the specified point is situated:
-    // above the client area.
-static const int wxTREE_HITTEST_ABOVE            = 0x0001;
-    // below the client area.
-static const int wxTREE_HITTEST_BELOW            = 0x0002;
-    // in the client area but below the last item.
-static const int wxTREE_HITTEST_NOWHERE          = 0x0004;
-    // on the button associated with an item.
-static const int wxTREE_HITTEST_ONITEMBUTTON     = 0x0010;
-    // on the bitmap associated with an item.
-static const int wxTREE_HITTEST_ONITEMICON       = 0x0020;
-    // in the indentation associated with an item.
-static const int wxTREE_HITTEST_ONITEMINDENT     = 0x0040;
-    // on the label (string) associated with an item.
-static const int wxTREE_HITTEST_ONITEMLABEL      = 0x0080;
-    // in the area to the right of an item.
-static const int wxTREE_HITTEST_ONITEMRIGHT      = 0x0100;
-    // on the state icon for a tree view item that is in a user-defined state.
-static const int wxTREE_HITTEST_ONITEMSTATEICON  = 0x0200;
-    // to the right of the client area.
-static const int wxTREE_HITTEST_TOLEFT           = 0x0400;
-    // to the left of the client area.
-static const int wxTREE_HITTEST_TORIGHT          = 0x0800;
-    // anywhere on the item
-static const int wxTREE_HITTEST_ONITEM  = wxTREE_HITTEST_ONITEMICON |
-                                          wxTREE_HITTEST_ONITEMLABEL |
-                                          wxTREE_HITTEST_ONITEMSTATEICON;
-

 // NB: all the following flags are for compatbility only and will be removed in the
 //     next versions
 
 // NB: all the following flags are for compatbility only and will be removed in the
 //     next versions
 


@@ -91,70 +59,6 @@ enum
 #define wxTREE_INSERT_FIRST 0xFFFF0001
 #define wxTREE_INSERT_LAST  0xFFFF0002
 
 #define wxTREE_INSERT_FIRST 0xFFFF0001
 #define wxTREE_INSERT_LAST  0xFFFF0002
 

-// ----------------------------------------------------------------------------
-// wxTreeItemId identifies an element of the tree. In this implementation, it's
-// just a trivial wrapper around Win32 HTREEITEM. It's opaque for the
-// application.
-// ----------------------------------------------------------------------------
-class WXDLLEXPORT wxTreeItemId
-{
-public:
-    // ctors
-        // 0 is invalid value for HTREEITEM
-    wxTreeItemId() { m_itemId = 0; }
-
-        // default copy ctor/assignment operator are ok for us
-
-    // accessors
-        // is this a valid tree item?
-    bool IsOk() const { return m_itemId != 0; }
-
-    // conversion to/from either real (system-dependent) tree item id or
-    // to "long" which used to be the type for tree item ids in previous
-    // versions of wxWindows
-
-    // for wxTreeCtrl usage only
-    wxTreeItemId(WXHTREEITEM itemId) { m_itemId = (long)itemId; }
-    operator WXHTREEITEM() const { return (WXHTREEITEM)m_itemId; }
-
-    void operator=(WXHTREEITEM item) { m_itemId = (long) item; }
-
-protected:
-    long m_itemId;
-};
-
-// ----------------------------------------------------------------------------
-// wxTreeItemData is some (arbitrary) user class associated with some item. The
-// main advantage of having this class (compared to old untyped interface) is
-// that wxTreeItemData's are destroyed automatically by the tree and, as this
-// class has virtual dtor, it means that the memory will be automatically
-// freed. OTOH, we don't just use wxObject instead of wxTreeItemData because
-// the size of this class is critical: in any real application, each tree leaf
-// will have wxTreeItemData associated with it and number of leaves may be
-// quite big.
-//
-// Because the objects of this class are deleted by the tree, they should
-// always be allocated on the heap!
-// ----------------------------------------------------------------------------
-class WXDLLEXPORT wxTreeItemData : private wxTreeItemId
-{
-public:
-    // default ctor/copy ctor/assignment operator are ok
-
-    // dtor is virtual and all the items are deleted by the tree control when
-    // it's deleted, so you normally don't have to care about freeing memory
-    // allocated in your wxTreeItemData-derived class
-    virtual ~wxTreeItemData() { }
-
-    // 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
-};
-

 // ----------------------------------------------------------------------------
 // wxTreeCtrl
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // wxTreeCtrl
 // ----------------------------------------------------------------------------


@@ -196,10 +100,10 @@ public:
     unsigned int GetIndent() const;
     void SetIndent(unsigned int indent);
 
     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
+    // 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
     unsigned int GetSpacing() const { return 18; } // return wxGTK default

-    void SetSpacing(unsigned int ) {}
+    void SetSpacing(unsigned int WXUNUSED(spacing)) { }

 
         // image list: these functions allow to associate an image list with
         // the control and retrieve it. Note that the control does _not_ delete
 
         // image list: these functions allow to associate an image list with
         // the control and retrieve it. Note that the control does _not_ delete


@@ -216,6 +120,8 @@ public:
 
     void SetImageList(wxImageList *imageList);
     void SetStateImageList(wxImageList *imageList);
 
     void SetImageList(wxImageList *imageList);
     void SetStateImageList(wxImageList *imageList);

+    void AssignImageList(wxImageList *imageList);
+    void AssignStateImageList(wxImageList *imageList);

 
     // Functions to work with tree ctrl items. Unfortunately, they can _not_ be
     // member functions of wxTreeItem because they must know the tree the item
 
     // Functions to work with tree ctrl items. Unfortunately, they can _not_ be
     // member functions of wxTreeItem because they must know the tree the item


@@ -227,10 +133,9 @@ public:
 
         // retrieve items label
     wxString GetItemText(const wxTreeItemId& item) const;
 
         // retrieve items label
     wxString GetItemText(const wxTreeItemId& item) const;

-        // get the normal item image
-    int GetItemImage(const wxTreeItemId& item) const;
-        // get the selected item image
-    int GetItemSelectedImage(const wxTreeItemId& item) const;
+        // get one of the images associated with the item (normal by default)
+    int GetItemImage(const wxTreeItemId& item,
+                     wxTreeItemIcon which = wxTreeItemIcon_Normal) const;

         // get the data associated with the item
     wxTreeItemData *GetItemData(const wxTreeItemId& item) const;
 
         // get the data associated with the item
     wxTreeItemData *GetItemData(const wxTreeItemId& item) const;
 


@@ -239,10 +144,9 @@ public:
 
         // set items label
     void SetItemText(const wxTreeItemId& item, const wxString& text);
 
         // set items label
     void SetItemText(const wxTreeItemId& item, const wxString& text);

-        // set the normal item image
-    void SetItemImage(const wxTreeItemId& item, int image);
-        // set the selected item image
-    void SetItemSelectedImage(const wxTreeItemId& item, int image);
+        // get one of the images associated with the item (normal by default)
+    void SetItemImage(const wxTreeItemId& item, int image,
+                      wxTreeItemIcon which = wxTreeItemIcon_Normal);

         // associate some data with the item
     void SetItemData(const wxTreeItemId& item, wxTreeItemData *data);
 
         // associate some data with the item
     void SetItemData(const wxTreeItemId& item, wxTreeItemData *data);
 


@@ -258,6 +162,15 @@ public:
         // the item will be shown with a drop highlight
     void SetItemDropHighlight(const wxTreeItemId& item, bool highlight = TRUE);
 
         // the item will be shown with a drop highlight
     void SetItemDropHighlight(const wxTreeItemId& item, bool highlight = TRUE);
 

+        // set the items text colour
+    void SetItemTextColour(const wxTreeItemId& item, const wxColour& col);
+
+        // set the items background colour
+    void SetItemBackgroundColour(const wxTreeItemId& item, const wxColour& col);
+
+        // set the items font (should be of the same height for all items)
+    void SetItemFont(const wxTreeItemId& item, const wxFont& font);
+

     // item status inquiries
     // ---------------------
 
     // item status inquiries
     // ---------------------
 


@@ -277,7 +190,8 @@ public:
 
         // if 'recursively' is FALSE, only immediate children count, otherwise
         // the returned number is the number of all items in this branch
 
         // 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);
+    size_t GetChildrenCount(const wxTreeItemId& item,
+                            bool recursively = TRUE) const;

 
     // navigation
     // ----------
 
     // navigation
     // ----------


@@ -290,6 +204,12 @@ public:
         // get the item currently selected (may return NULL if no selection)
     wxTreeItemId GetSelection() const;
 
         // 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;
 
         // get the parent of this item (may return NULL if root)
     wxTreeItemId GetParent(const wxTreeItemId& item) const;
 


@@ -341,6 +261,13 @@ public:
                             int image = -1, int selectedImage = -1,
                             wxTreeItemData *data = NULL);
 
                             int image = -1, int selectedImage = -1,
                             wxTreeItemData *data = NULL);
 

+        // insert a new item before the one with the given index
+    wxTreeItemId InsertItem(const wxTreeItemId& parent,
+                            size_t index,
+                            const wxString& text,
+                            int image = -1, int selectedImage = -1,
+                            wxTreeItemData *data = NULL);
+

         // insert a new item in as the last child of the parent
     wxTreeItemId AppendItem(const wxTreeItemId& parent,
                             const wxString& text,
         // insert a new item in as the last child of the parent
     wxTreeItemId AppendItem(const wxTreeItemId& parent,
                             const wxString& text,


@@ -367,6 +294,8 @@ public:
 
         // remove the selection from currently selected item (if any)
     void Unselect();
 
         // 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
         // select this item
     void SelectItem(const wxTreeItemId& item);
         // make sure this item is visible (expanding the parent item and/or


@@ -442,18 +371,37 @@ public:
     void SetImageList(wxImageList *imageList, int)
         { SetImageList(imageList); }
 
     void SetImageList(wxImageList *imageList, int)
         { SetImageList(imageList); }
 

+    // use Set/GetItemImage directly
+        // get the selected item image
+    int GetItemSelectedImage(const wxTreeItemId& item) const
+        { return GetItemImage(item, wxTreeItemIcon_Selected); }
+        // set the selected item image
+    void SetItemSelectedImage(const wxTreeItemId& item, int image)
+        { SetItemImage(item, image, wxTreeItemIcon_Selected); }
+

     // implementation
     // --------------
     // implementation
     // --------------

+
+    virtual long MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam);

     virtual bool MSWCommand(WXUINT param, WXWORD id);
     virtual bool MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result);
 
     virtual bool MSWCommand(WXUINT param, WXWORD id);
     virtual bool MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result);
 

+    // override some base class virtuals
+    virtual bool SetBackgroundColour(const wxColour &colour);
+    virtual bool SetForegroundColour(const wxColour &colour);
+
+    // 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
     void SetAnyImageList(wxImageList *imageList, int which);
 
 protected:
     // SetImageList helper
     void SetAnyImageList(wxImageList *imageList, int which);
 

-    wxTextCtrl*  m_textCtrl;        // used while editing the item label
+    wxTextCtrl  *m_textCtrl;        // used while editing the item label

     wxImageList *m_imageListNormal, // images for tree elements
                 *m_imageListState;  // special images for app defined states
     wxImageList *m_imageListNormal, // images for tree elements
                 *m_imageListState;  // special images for app defined states

+    bool         m_ownsImageListNormal, m_ownsImageListState;

 
 private:
     // the common part of all ctors
 
 private:
     // the common part of all ctors


@@ -471,97 +419,38 @@ private:
                               int image, int selectedImage,
                               wxTreeItemData *data);
 
                               int image, int selectedImage,
                               wxTreeItemData *data);
 

-    void DeleteTextCtrl();
+    int DoGetItemImageFromData(const wxTreeItemId& item,
+                               wxTreeItemIcon which) const;
+    void DoSetItemImageFromData(const wxTreeItemId& item,
+                                int image,
+                                wxTreeItemIcon which) const;
+    void DoSetItemImages(const wxTreeItemId& item, int image, int imageSel);

 
 

-    DECLARE_DYNAMIC_CLASS(wxTreeCtrl)
-};
+    void DeleteTextCtrl();

 
 

-// ----------------------------------------------------------------------------
-// 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 wxNotifyEvent
-{
-friend wxTreeCtrl;
-public:
-    wxTreeEvent(wxEventType commandType = wxEVT_NULL, int id = 0);
+    // support for additional item images
+    friend class wxTreeItemIndirectData;
+    void SetIndirectItemData(const wxTreeItemId& item,
+                             wxTreeItemIndirectData *data);
+    bool HasIndirectData(const wxTreeItemId& item) const;

 
 

-    // 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; }
+    // the array storing all item ids which have indirect data
+    wxArrayTreeItemIds m_itemsWithIndirectData;

 
 

-        // for wxEVT_COMMAND_TREE_SEL_CHANGED/ING events, get the previously
-        // selected item
-    wxTreeItemId GetOldItem() const { return m_itemOld; }
+    // the hash storing the items attributes (indexed by items ids)
+    wxHashTable m_attrs;

 
 

-        // 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; }
+    // TRUE if the hash above is not empty
+    bool m_hasAnyAttr;

 
 

-        // keyboard code (for wxEVT_COMMAND_TREE_KEY_DOWN only)
-    int GetCode() const { return m_code; }
+    // used for dragging
+    wxDragImage *m_dragImage;

 
 

-        // label (for EVT_TREE_{BEGIN|END}_LABEL_EDIT only)
-    const wxString& GetLabel() const { return m_label; }
+    // the starting item for selection with Shift
+    WXHTREEITEM m_htSelStart;

 
 

-private:
-    // TODO we could save some space by using union here
-    int           m_code;
-    wxTreeItemId  m_item,
-                  m_itemOld;
-    wxPoint       m_pointDrag;
-    wxString      m_label;
-
-    DECLARE_DYNAMIC_CLASS(wxTreeEvent)
+    DECLARE_DYNAMIC_CLASS(wxTreeCtrl)

 };
 
 };
 

-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, GetLabel() returns
-// the current item label for BEGIN and the would be new one for END.
-//
-// Vetoing BEGIN event means that label editing won't happen at all,
-// vetoing END means that the new value is discarded and the old one kept
-#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 },
-
-// GetItem() returns the item that was activated (double click, enter, space)
-#define EVT_TREE_ITEM_ACTIVATED(id, fn) { wxEVT_COMMAND_TREE_ITEM_ACTIVATED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL },
-

 #endif
     // _WX_TREECTRL_H_
 #endif
     // _WX_TREECTRL_H_