// headers
// ----------------------------------------------------------------------------
-#ifdef __GNUG__
- #pragma implementation "treectrl.h"
-#endif
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#if wxUSE_TREECTRL
+#include "wx/treectrl.h"
+
+#ifndef WX_PRECOMP
+ #include "wx/msw/wrapcctl.h" // include <commctrl.h> "properly"
+ #include "wx/msw/missing.h"
+ #include "wx/dynarray.h"
+ #include "wx/log.h"
+ #include "wx/app.h"
+ #include "wx/settings.h"
+#endif
+
#include "wx/msw/private.h"
// Set this to 1 to be _absolutely_ sure that repainting will work for all
// comctl32.dll versions
#define wxUSE_COMCTL32_SAFELY 0
-// Mingw32 is a bit mental even though this is done in winundef
-#ifdef GetFirstChild
- #undef GetFirstChild
-#endif
-
-#ifdef GetNextSibling
- #undef GetNextSibling
-#endif
-
-#if defined(__WIN95__)
-
-#include "wx/app.h"
-#include "wx/log.h"
-#include "wx/dynarray.h"
#include "wx/imaglist.h"
-#include "wx/settings.h"
-#include "wx/msw/treectrl.h"
#include "wx/msw/dragimag.h"
-#ifdef __GNUWIN32_OLD__
- #include "wx/msw/gnuwin32/extra.h"
-#endif
+// macros to hide the cast ugliness
+// --------------------------------
-#if defined(__WIN95__) && !((defined(__GNUWIN32_OLD__) || defined(__TWIN32__)) && !defined(__CYGWIN10__))
- #include <commctrl.h>
-#endif
+// get HTREEITEM from wxTreeItemId
+#define HITEM(item) ((HTREEITEM)(((item).m_pItem)))
-// Bug in headers, sometimes
-#ifndef TVIS_FOCUSED
- #define TVIS_FOCUSED 0x0001
-#endif
-#ifndef TV_FIRST
- #define TV_FIRST 0x1100
-#endif
+// older SDKs are missing these
+#ifndef TVN_ITEMCHANGINGA
-#ifndef TVS_CHECKBOXES
- #define TVS_CHECKBOXES 0x0100
-#endif
+#define TVN_ITEMCHANGINGA (TVN_FIRST-16)
+#define TVN_ITEMCHANGINGW (TVN_FIRST-17)
-#ifndef TVS_FULLROWSELECT
- #define TVS_FULLROWSELECT 0x1000
-#endif
+typedef struct tagNMTVITEMCHANGE
+{
+ NMHDR hdr;
+ UINT uChanged;
+ HTREEITEM hItem;
+ UINT uStateNew;
+ UINT uStateOld;
+ LPARAM lParam;
+} NMTVITEMCHANGE;
-// old headers might miss these messages (comctl32.dll 4.71+ only)
-#ifndef TVM_SETBKCOLOR
- #define TVM_SETBKCOLOR (TV_FIRST + 29)
- #define TVM_SETTEXTCOLOR (TV_FIRST + 30)
#endif
-// a macro to hide the ugliness of nested casts
-#define HITEM(item) (HTREEITEM)(WXHTREEITEM)(item)
-// the native control doesn't support multiple selections under MSW and we
-// have 2 ways to emulate them: either using TVS_CHECKBOXES style and let
-// checkboxes be the selection status (checked == selected) or by really
-// emulating everything, i.e. intercepting mouse and key events &c. The first
-// approach is much easier but doesn't work with comctl32.dll < 4.71 and also
-// looks quite ugly.
-#define wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE 0
+// this global variable is used on vista systems for preventing unwanted
+// item state changes in the vista tree control. It is only used in
+// multi-select mode on vista systems.
-// ----------------------------------------------------------------------------
-// private functions
-// ----------------------------------------------------------------------------
+static HTREEITEM gs_unlockItem = NULL;
-// wrapper for TreeView_HitTest
-static HTREEITEM GetItemFromPoint(HWND hwndTV, int x, int y)
+class TreeItemUnlocker
{
- TV_HITTESTINFO tvht;
- tvht.pt.x = x;
- tvht.pt.y = y;
+public:
+ TreeItemUnlocker(HTREEITEM item) { gs_unlockItem = item; }
+ ~TreeItemUnlocker() { gs_unlockItem = NULL; }
+};
- return (HTREEITEM)TreeView_HitTest(hwndTV, &tvht);
-}
-#if !wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE
+// ----------------------------------------------------------------------------
+// private functions
+// ----------------------------------------------------------------------------
// wrappers for TreeView_GetItem/TreeView_SetItem
static bool IsItemSelected(HWND hwndTV, HTREEITEM hItem)
tvi.stateMask = TVIS_SELECTED;
tvi.hItem = hItem;
+ TreeItemUnlocker unlocker(hItem);
+
if ( !TreeView_GetItem(hwndTV, &tvi) )
{
wxLogLastError(wxT("TreeView_GetItem"));
return (tvi.state & TVIS_SELECTED) != 0;
}
-static void SelectItem(HWND hwndTV, HTREEITEM hItem, bool select = TRUE)
+static bool SelectItem(HWND hwndTV, HTREEITEM hItem, bool select = true)
{
TV_ITEM tvi;
tvi.mask = TVIF_STATE | TVIF_HANDLE;
tvi.state = select ? TVIS_SELECTED : 0;
tvi.hItem = hItem;
+ TreeItemUnlocker unlocker(hItem);
+
if ( TreeView_SetItem(hwndTV, &tvi) == -1 )
{
wxLogLastError(wxT("TreeView_SetItem"));
+ return false;
}
-}
-static inline void UnselectItem(HWND hwndTV, HTREEITEM htItem)
-{
- SelectItem(hwndTV, htItem, FALSE);
+ return true;
}
-static inline void ToggleItemSelection(HWND hwndTV, HTREEITEM htItem)
+static inline void UnselectItem(HWND hwndTV, HTREEITEM htItem)
{
- SelectItem(hwndTV, htItem, !IsItemSelected(hwndTV, htItem));
+ SelectItem(hwndTV, htItem, false);
}
// helper function which selects all items in a range and, optionally,
static void SelectRange(HWND hwndTV,
HTREEITEM htFirst,
HTREEITEM htLast,
- bool unselectOthers = TRUE)
+ bool unselectOthers = true)
{
// find the first (or last) item and select it
- bool cont = TRUE;
+ bool cont = true;
HTREEITEM htItem = (HTREEITEM)TreeView_GetRoot(hwndTV);
while ( htItem && cont )
{
SelectItem(hwndTV, htItem);
}
- cont = FALSE;
+ cont = false;
}
else
{
// helper function which tricks the standard control into changing the focused
// item without changing anything else (if someone knows why Microsoft doesn't
// allow to do it by just setting TVIS_FOCUSED flag, please tell me!)
-static void SetFocus(HWND hwndTV, HTREEITEM htItem)
+//
+// returns true if the focus was changed, false if the given item was already
+// the focused one
+static bool SetFocus(HWND hwndTV, HTREEITEM htItem)
{
// the current focus
HTREEITEM htFocus = (HTREEITEM)TreeView_GetSelection(hwndTV);
+ if ( htItem == htFocus )
+ return false;
+
if ( htItem )
{
- // set the focus
- if ( htItem != htFocus )
- {
- // remember the selection state of the item
- bool wasSelected = IsItemSelected(hwndTV, htItem);
+ // remember the selection state of the item
+ bool wasSelected = IsItemSelected(hwndTV, htItem);
- if ( htFocus && IsItemSelected(hwndTV, htFocus) )
- {
- // prevent the tree from unselecting the old focus which it
- // would do by default (TreeView_SelectItem unselects the
- // focused item)
- TreeView_SelectItem(hwndTV, 0);
- SelectItem(hwndTV, htFocus);
- }
+ if ( htFocus && IsItemSelected(hwndTV, htFocus) )
+ {
+ // prevent the tree from unselecting the old focus which it
+ // would do by default (TreeView_SelectItem unselects the
+ // focused item)
+ TreeView_SelectItem(hwndTV, 0);
+ SelectItem(hwndTV, htFocus);
+ }
- TreeView_SelectItem(hwndTV, htItem);
+ TreeView_SelectItem(hwndTV, htItem);
- if ( !wasSelected )
- {
- // need to clear the selection which TreeView_SelectItem() gave
- // us
- UnselectItem(hwndTV, htItem);
- }
- //else: was selected, still selected - ok
+ if ( !wasSelected )
+ {
+ // need to clear the selection which TreeView_SelectItem() gave
+ // us
+ UnselectItem(hwndTV, htItem);
}
- //else: nothing to do, focus already there
+ //else: was selected, still selected - ok
}
- else
+ else // reset focus
{
- if ( htFocus )
- {
- bool wasFocusSelected = IsItemSelected(hwndTV, htFocus);
+ bool wasFocusSelected = IsItemSelected(hwndTV, htFocus);
- // just clear the focus
- TreeView_SelectItem(hwndTV, 0);
+ // just clear the focus
+ TreeView_SelectItem(hwndTV, 0);
- if ( wasFocusSelected )
- {
- // restore the selection state
- SelectItem(hwndTV, htFocus);
- }
+ if ( wasFocusSelected )
+ {
+ // restore the selection state
+ SelectItem(hwndTV, htFocus);
}
- //else: nothing to do, no focus already
}
-}
-#endif // wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE
+ return true;
+}
// ----------------------------------------------------------------------------
// private classes
}
};
+// ----------------------------------------------------------------------------
+// This class is our userdata/lParam for the TV_ITEMs stored in the treeview.
+//
+// We need this for a couple of reasons:
+//
+// 1) This class is needed for support of different images: the Win32 common
+// control natively supports only 2 images (the normal one and another for the
+// selected state). We wish to provide support for 2 more of them for folder
+// items (i.e. those which have children): for expanded state and for expanded
+// selected state. For this we use this structure to store the additional items
+// images.
+//
+// 2) This class is also needed to hold the HITEM so that we can sort
+// it correctly in the MSW sort callback.
+//
+// In addition it makes other workarounds such as this easier and helps
+// simplify the code.
+// ----------------------------------------------------------------------------
+
+class wxTreeItemParam
+{
+public:
+ wxTreeItemParam()
+ {
+ m_data = NULL;
+
+ for ( size_t n = 0; n < WXSIZEOF(m_images); n++ )
+ {
+ m_images[n] = -1;
+ }
+ }
+
+ // dtor deletes the associated data as well
+ virtual ~wxTreeItemParam() { delete m_data; }
+
+ // accessors
+ // get the real data associated with the item
+ wxTreeItemData *GetData() const { return m_data; }
+ // change it
+ void SetData(wxTreeItemData *data) { m_data = data; }
+
+ // do we have such image?
+ bool HasImage(wxTreeItemIcon which) const { return m_images[which] != -1; }
+ // get image, falling back to the other images if this one is not
+ // specified
+ int GetImage(wxTreeItemIcon which) const
+ {
+ int image = m_images[which];
+ if ( image == -1 )
+ {
+ switch ( which )
+ {
+ case wxTreeItemIcon_SelectedExpanded:
+ image = GetImage(wxTreeItemIcon_Expanded);
+ if ( image != -1 )
+ break;
+ //else: fall through
+
+ case wxTreeItemIcon_Selected:
+ case wxTreeItemIcon_Expanded:
+ image = GetImage(wxTreeItemIcon_Normal);
+ break;
+
+ case wxTreeItemIcon_Normal:
+ // no fallback
+ break;
+
+ default:
+ wxFAIL_MSG( _T("unsupported wxTreeItemIcon value") );
+ }
+ }
+
+ return image;
+ }
+ // change the given image
+ void SetImage(int image, wxTreeItemIcon which) { m_images[which] = image; }
+
+ // get item
+ const wxTreeItemId& GetItem() const { return m_item; }
+ // set item
+ void SetItem(const wxTreeItemId& item) { m_item = item; }
+
+protected:
+ // all the images associated with the item
+ int m_images[wxTreeItemIcon_Max];
+
+ // item for sort callbacks
+ wxTreeItemId m_item;
+
+ // the real client data
+ wxTreeItemData *m_data;
+
+ DECLARE_NO_COPY_CLASS(wxTreeItemParam)
+};
+
// wxVirutalNode is used in place of a single root when 'hidden' root is
// specified.
class wxVirtualNode : public wxTreeViewItem
{
public:
- wxVirtualNode(wxTreeItemData *data)
+ wxVirtualNode(wxTreeItemParam *param)
: wxTreeViewItem(TVI_ROOT, 0)
{
- m_data = data;
+ m_param = param;
}
~wxVirtualNode()
{
- delete m_data;
+ delete m_param;
}
- wxTreeItemData *GetData() const { return m_data; }
- void SetData(wxTreeItemData *data) { delete m_data; m_data = data; }
+ wxTreeItemParam *GetParam() const { return m_param; }
+ void SetParam(wxTreeItemParam *param) { delete m_param; m_param = param; }
private:
- wxTreeItemData *m_data;
+ wxTreeItemParam *m_param;
+
+ DECLARE_NO_COPY_CLASS(wxVirtualNode)
};
#ifdef __VISUALC__
// a macro to get the virtual root, returns NULL if none
#define GET_VIRTUAL_ROOT() ((wxVirtualNode *)m_pVirtualRoot)
-// returns TRUE if the item is the virtual root
+// returns true if the item is the virtual root
#define IS_VIRTUAL_ROOT(item) (HITEM(item) == TVI_ROOT)
// a class which encapsulates the tree traversal logic: it vists all (unless
-// OnVisit() returns FALSE) items under the given one
+// OnVisit() returns false) items under the given one
class wxTreeTraversal
{
public:
m_tree = tree;
}
+ // give it a virtual dtor: not really needed as the class is never used
+ // polymorphically and not even allocated on heap at all, but this is safer
+ // (in case it ever is) and silences the compiler warnings for now
+ virtual ~wxTreeTraversal() { }
+
// do traverse the tree: visit all items (recursively by default) under the
- // given one; return TRUE if all items were traversed or FALSE if the
- // traversal was aborted because OnVisit returned FALSE
- bool DoTraverse(const wxTreeItemId& root, bool recursively = TRUE);
+ // given one; return true if all items were traversed or false if the
+ // traversal was aborted because OnVisit returned false
+ bool DoTraverse(const wxTreeItemId& root, bool recursively = true);
// override this function to do whatever is needed for each item, return
- // FALSE to stop traversing
+ // false to stop traversing
virtual bool OnVisit(const wxTreeItemId& item) = 0;
protected:
bool Traverse(const wxTreeItemId& root, bool recursively);
const wxTreeCtrl *m_tree;
+
+ DECLARE_NO_COPY_CLASS(wxTreeTraversal)
};
// internal class for getting the selected items
{
m_selections.Empty();
- DoTraverse(tree->GetRootItem());
+ if (tree->GetCount() > 0)
+ DoTraverse(tree->GetRootItem());
}
virtual bool OnVisit(const wxTreeItemId& item)
{
+ const wxTreeCtrl * const tree = GetTree();
+
// can't visit a virtual node.
- if ( (GetTree()->GetRootItem() == item) && (GetTree()->GetWindowStyle() & wxTR_HIDE_ROOT))
+ if ( (tree->GetRootItem() == item) && tree->HasFlag(wxTR_HIDE_ROOT) )
{
- return TRUE;
+ return true;
}
-#if wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE
- if ( GetTree()->IsItemChecked(item) )
-#else
- if ( ::IsItemSelected(GetHwndOf(GetTree()), HITEM(item)) )
-#endif
+ if ( ::IsItemSelected(GetHwndOf(tree), HITEM(item)) )
{
m_selections.Add(item);
}
- return TRUE;
+ return true;
}
size_t GetCount() const { return m_selections.GetCount(); }
private:
wxArrayTreeItemIds& m_selections;
+
+ DECLARE_NO_COPY_CLASS(TraverseSelections)
};
// internal class for counting tree items
{
m_count++;
- return TRUE;
+ return true;
}
size_t GetCount() const { return m_count; }
private:
size_t m_count;
+
+ DECLARE_NO_COPY_CLASS(TraverseCounter)
};
// ----------------------------------------------------------------------------
-// This class is needed for support of different images: the Win32 common
-// control natively supports only 2 images (the normal one and another for the
-// selected state). We wish to provide support for 2 more of them for folder
-// items (i.e. those which have children): for expanded state and for expanded
-// selected state. For this we use this structure to store the additional items
-// images.
-//
-// There is only one problem with this: when we retrieve the item's data, we
-// don't know whether we get a pointer to wxTreeItemData or
-// wxTreeItemIndirectData. So we always set the item id to an invalid value
-// in this class and the code using the client data checks for it and retrieves
-// the real client data in this case.
+// wxWin macros
// ----------------------------------------------------------------------------
-class wxTreeItemIndirectData : public wxTreeItemData
-{
-public:
- // ctor associates this data with the item and the real item data becomes
- // available through our GetData() method
- wxTreeItemIndirectData(wxTreeCtrl *tree, const wxTreeItemId& item)
- {
- for ( size_t n = 0; n < WXSIZEOF(m_images); n++ )
- {
- m_images[n] = -1;
- }
-
- // save the old data
- m_data = tree->GetItemData(item);
-
- // and set ourselves as the new one
- tree->SetIndirectItemData(item, this);
-
- // we must have the invalid value for the item
- m_pItem = 0l;
- }
-
- // dtor deletes the associated data as well
- virtual ~wxTreeItemIndirectData() { delete m_data; }
-
- // accessors
- // get the real data associated with the item
- wxTreeItemData *GetData() const { return m_data; }
- // change it
- void SetData(wxTreeItemData *data) { m_data = data; }
+#if wxUSE_EXTENDED_RTTI
+WX_DEFINE_FLAGS( wxTreeCtrlStyle )
+
+wxBEGIN_FLAGS( wxTreeCtrlStyle )
+ // new style border flags, we put them first to
+ // use them for streaming out
+ wxFLAGS_MEMBER(wxBORDER_SIMPLE)
+ wxFLAGS_MEMBER(wxBORDER_SUNKEN)
+ wxFLAGS_MEMBER(wxBORDER_DOUBLE)
+ wxFLAGS_MEMBER(wxBORDER_RAISED)
+ wxFLAGS_MEMBER(wxBORDER_STATIC)
+ wxFLAGS_MEMBER(wxBORDER_NONE)
+
+ // old style border flags
+ wxFLAGS_MEMBER(wxSIMPLE_BORDER)
+ wxFLAGS_MEMBER(wxSUNKEN_BORDER)
+ wxFLAGS_MEMBER(wxDOUBLE_BORDER)
+ wxFLAGS_MEMBER(wxRAISED_BORDER)
+ wxFLAGS_MEMBER(wxSTATIC_BORDER)
+ wxFLAGS_MEMBER(wxBORDER)
+
+ // standard window styles
+ wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
+ wxFLAGS_MEMBER(wxCLIP_CHILDREN)
+ wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW)
+ wxFLAGS_MEMBER(wxWANTS_CHARS)
+ wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE)
+ wxFLAGS_MEMBER(wxALWAYS_SHOW_SB )
+ wxFLAGS_MEMBER(wxVSCROLL)
+ wxFLAGS_MEMBER(wxHSCROLL)
+
+ wxFLAGS_MEMBER(wxTR_EDIT_LABELS)
+ wxFLAGS_MEMBER(wxTR_NO_BUTTONS)
+ wxFLAGS_MEMBER(wxTR_HAS_BUTTONS)
+ wxFLAGS_MEMBER(wxTR_TWIST_BUTTONS)
+ wxFLAGS_MEMBER(wxTR_NO_LINES)
+ wxFLAGS_MEMBER(wxTR_FULL_ROW_HIGHLIGHT)
+ wxFLAGS_MEMBER(wxTR_LINES_AT_ROOT)
+ wxFLAGS_MEMBER(wxTR_HIDE_ROOT)
+ wxFLAGS_MEMBER(wxTR_ROW_LINES)
+ wxFLAGS_MEMBER(wxTR_HAS_VARIABLE_ROW_HEIGHT)
+ wxFLAGS_MEMBER(wxTR_SINGLE)
+ wxFLAGS_MEMBER(wxTR_MULTIPLE)
+#if WXWIN_COMPATIBILITY_2_8
+ wxFLAGS_MEMBER(wxTR_EXTENDED)
+#endif
+ wxFLAGS_MEMBER(wxTR_DEFAULT_STYLE)
- // do we have such image?
- bool HasImage(wxTreeItemIcon which) const { return m_images[which] != -1; }
- // get image
- int GetImage(wxTreeItemIcon which) const { return m_images[which]; }
- // change it
- void SetImage(int image, wxTreeItemIcon which) { m_images[which] = image; }
+wxEND_FLAGS( wxTreeCtrlStyle )
-private:
- // all the images associated with the item
- int m_images[wxTreeItemIcon_Max];
+IMPLEMENT_DYNAMIC_CLASS_XTI(wxTreeCtrl, wxControl,"wx/treectrl.h")
- // the real client data
- wxTreeItemData *m_data;
-};
+wxBEGIN_PROPERTIES_TABLE(wxTreeCtrl)
+ wxEVENT_PROPERTY( TextUpdated , wxEVT_COMMAND_TEXT_UPDATED , wxCommandEvent )
+ wxEVENT_RANGE_PROPERTY( TreeEvent , wxEVT_COMMAND_TREE_BEGIN_DRAG , wxEVT_COMMAND_TREE_STATE_IMAGE_CLICK , wxTreeEvent )
+ wxPROPERTY_FLAGS( WindowStyle , wxTreeCtrlStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
+wxEND_PROPERTIES_TABLE()
-// ----------------------------------------------------------------------------
-// wxWin macros
-// ----------------------------------------------------------------------------
+wxBEGIN_HANDLERS_TABLE(wxTreeCtrl)
+wxEND_HANDLERS_TABLE()
+wxCONSTRUCTOR_5( wxTreeCtrl , wxWindow* , Parent , wxWindowID , Id , wxPoint , Position , wxSize , Size , long , WindowStyle )
+#else
IMPLEMENT_DYNAMIC_CLASS(wxTreeCtrl, wxControl)
+#endif
// ----------------------------------------------------------------------------
// constants
bool wxTreeTraversal::DoTraverse(const wxTreeItemId& root, bool recursively)
{
if ( !OnVisit(root) )
- return FALSE;
+ return false;
return Traverse(root, recursively);
}
bool wxTreeTraversal::Traverse(const wxTreeItemId& root, bool recursively)
{
- long cookie;
+ wxTreeItemIdValue cookie;
wxTreeItemId child = m_tree->GetFirstChild(root, cookie);
while ( child.IsOk() )
{
// depth first traversal
- if ( recursively && !Traverse(child, TRUE) )
- return FALSE;
+ if ( recursively && !Traverse(child, true) )
+ return false;
if ( !OnVisit(child) )
- return FALSE;
+ return false;
child = m_tree->GetNextChild(root, cookie);
}
- return TRUE;
+ return true;
}
// ----------------------------------------------------------------------------
void wxTreeCtrl::Init()
{
- m_imageListNormal = NULL;
- m_imageListState = NULL;
- m_ownsImageListNormal = m_ownsImageListState = FALSE;
m_textCtrl = NULL;
- m_hasAnyAttr = FALSE;
+ m_hasAnyAttr = false;
+#if wxUSE_DRAGIMAGE
m_dragImage = NULL;
- m_htSelStart = 0;
+#endif
m_pVirtualRoot = NULL;
// initialize the global array of events now as it can't be done statically
{
Init();
- if ( !CreateControl(parent, id, pos, size, style, validator, name) )
- return FALSE;
+ if ( (style & wxBORDER_MASK) == wxBORDER_DEFAULT )
+ style |= wxBORDER_SUNKEN;
- DWORD wstyle = WS_VISIBLE | WS_CHILD | WS_TABSTOP |
- TVS_SHOWSELALWAYS;
+ if ( !CreateControl(parent, id, pos, size, style, validator, name) )
+ return false;
- if ( m_windowStyle & wxCLIP_SIBLINGS )
- wstyle |= WS_CLIPSIBLINGS;
+ WXDWORD exStyle = 0;
+ DWORD wstyle = MSWGetStyle(m_windowStyle, & exStyle);
+ wstyle |= WS_TABSTOP | TVS_SHOWSELALWAYS;
if ((m_windowStyle & wxTR_NO_LINES) == 0)
wstyle |= TVS_HASLINES;
if ( m_windowStyle & wxTR_FULL_ROW_HIGHLIGHT )
{
- if ( wxTheApp->GetComCtl32Version() >= 471 )
+ if ( wxApp::GetComCtl32Version() >= 471 )
wstyle |= TVS_FULLROWSELECT;
}
- // using TVS_CHECKBOXES for emulation of a multiselection tree control
- // doesn't work without the new enough headers
-#if wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE && \
- !defined( __GNUWIN32_OLD__ ) && \
- !defined( __BORLANDC__ ) && \
- !defined( __WATCOMC__ ) && \
- (!defined(__VISUALC__) || (__VISUALC__ > 1010))
-
- // we emulate the multiple selection tree controls by using checkboxes: set
- // up the image list we need for this if we do have multiple selections
- if ( m_windowStyle & wxTR_MULTIPLE )
- wstyle |= TVS_CHECKBOXES;
-#endif // wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE
+#if !defined(__WXWINCE__) && defined(TVS_INFOTIP)
+ // Need so that TVN_GETINFOTIP messages will be sent
+ wstyle |= TVS_INFOTIP;
+#endif
// Create the tree control.
- if ( !MSWCreateControl(WC_TREEVIEW, wstyle) )
- return FALSE;
+ if ( !MSWCreateControl(WC_TREEVIEW, wstyle, pos, size) )
+ return false;
#if wxUSE_COMCTL32_SAFELY
wxWindow::SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
HDC hdcMem = CreateCompatibleDC(NULL);
// create a mono bitmap of the standard size
- int x = GetSystemMetrics(SM_CXMENUCHECK);
- int y = GetSystemMetrics(SM_CYMENUCHECK);
- wxImageList imagelistCheckboxes(x, y, FALSE, 2);
+ int x = ::GetSystemMetrics(SM_CXMENUCHECK);
+ int y = ::GetSystemMetrics(SM_CYMENUCHECK);
+ wxImageList imagelistCheckboxes(x, y, false, 2);
HBITMAP hbmpCheck = CreateBitmap(x, y, // bitmap size
1, // # of color planes
1, // # bits needed for one pixel
}
#endif // 0
- SetSize(pos.x, pos.y, size.x, size.y);
+ wxSetCCUnicodeFormat(GetHwnd());
- return TRUE;
+ return true;
}
wxTreeCtrl::~wxTreeCtrl()
// delete any attributes
if ( m_hasAnyAttr )
{
- for ( wxNode *node = m_attrs.Next(); node; node = m_attrs.Next() )
- {
- delete (wxTreeItemAttr *)node->Data();
- }
+ WX_CLEAR_HASH_MAP(wxMapTreeAttr, m_attrs);
// prevent TVN_DELETEITEM handler from deleting the attributes again!
- m_hasAnyAttr = FALSE;
+ m_hasAnyAttr = false;
}
DeleteTextCtrl();
// delete user data to prevent memory leaks
// also deletes hidden root node storage.
DeleteAllItems();
-
- if (m_ownsImageListNormal) delete m_imageListNormal;
- if (m_ownsImageListState) delete m_imageListState;
}
// ----------------------------------------------------------------------------
// accessors
// ----------------------------------------------------------------------------
+/* static */ wxVisualAttributes
+wxTreeCtrl::GetClassDefaultAttributes(wxWindowVariant variant)
+{
+ wxVisualAttributes attrs = GetCompositeControlsDefaultAttributes(variant);
+
+ // common controls have their own default font
+ attrs.font = wxGetCCDefaultFont();
+
+ return attrs;
+}
+
+
// simple wrappers which add error checking in debug mode
-bool wxTreeCtrl::DoGetItem(wxTreeViewItem* tvItem) const
+bool wxTreeCtrl::DoGetItem(wxTreeViewItem *tvItem) const
{
- wxCHECK_MSG( tvItem->hItem != TVI_ROOT, FALSE,
+ wxCHECK_MSG( tvItem->hItem != TVI_ROOT, false,
_T("can't retrieve virtual root item") );
if ( !TreeView_GetItem(GetHwnd(), tvItem) )
{
wxLogLastError(wxT("TreeView_GetItem"));
- return FALSE;
+ return false;
}
- return TRUE;
+ return true;
}
-void wxTreeCtrl::DoSetItem(wxTreeViewItem* tvItem)
+void wxTreeCtrl::DoSetItem(wxTreeViewItem *tvItem)
{
+ TreeItemUnlocker unlocker(tvItem->hItem);
+
if ( TreeView_SetItem(GetHwnd(), tvItem) == -1 )
{
wxLogLastError(wxT("TreeView_SetItem"));
}
}
-size_t wxTreeCtrl::GetCount() const
+unsigned int wxTreeCtrl::GetCount() const
{
- return (size_t)TreeView_GetCount(GetHwnd());
+ return (unsigned int)TreeView_GetCount(GetHwnd());
}
unsigned int wxTreeCtrl::GetIndent() const
TreeView_SetIndent(GetHwnd(), indent);
}
-wxImageList *wxTreeCtrl::GetImageList() const
-{
- return m_imageListNormal;
-}
-
-wxImageList *wxTreeCtrl::GetStateImageList() const
-{
- return m_imageListNormal;
-}
-
void wxTreeCtrl::SetAnyImageList(wxImageList *imageList, int which)
{
// no error return
- TreeView_SetImageList(GetHwnd(),
- imageList ? imageList->GetHIMAGELIST() : 0,
- which);
+ (void) TreeView_SetImageList(GetHwnd(),
+ imageList ? imageList->GetHIMAGELIST() : 0,
+ which);
}
void wxTreeCtrl::SetImageList(wxImageList *imageList)
delete m_imageListNormal;
SetAnyImageList(m_imageListNormal = imageList, TVSIL_NORMAL);
- m_ownsImageListNormal = FALSE;
+ m_ownsImageListNormal = false;
}
void wxTreeCtrl::SetStateImageList(wxImageList *imageList)
{
if (m_ownsImageListState) delete m_imageListState;
SetAnyImageList(m_imageListState = imageList, TVSIL_STATE);
- m_ownsImageListState = FALSE;
-}
-
-void wxTreeCtrl::AssignImageList(wxImageList *imageList)
-{
- SetImageList(imageList);
- m_ownsImageListNormal = TRUE;
-}
-
-void wxTreeCtrl::AssignStateImageList(wxImageList *imageList)
-{
- SetStateImageList(imageList);
- m_ownsImageListState = TRUE;
+ m_ownsImageListState = false;
}
size_t wxTreeCtrl::GetChildrenCount(const wxTreeItemId& item,
bool recursively) const
{
- TraverseCounter counter(this, item, recursively);
+ wxCHECK_MSG( item.IsOk(), 0u, wxT("invalid tree item") );
+ TraverseCounter counter(this, item, recursively);
return counter.GetCount() - 1;
}
{
#if !wxUSE_COMCTL32_SAFELY
if ( !wxWindowBase::SetBackgroundColour(colour) )
- return FALSE;
+ return false;
- SendMessage(GetHwnd(), TVM_SETBKCOLOR, 0, colour.GetPixel());
+ ::SendMessage(GetHwnd(), TVM_SETBKCOLOR, 0, colour.GetPixel());
#endif
- return TRUE;
+ return true;
}
bool wxTreeCtrl::SetForegroundColour(const wxColour &colour)
{
#if !wxUSE_COMCTL32_SAFELY
if ( !wxWindowBase::SetForegroundColour(colour) )
- return FALSE;
+ return false;
- SendMessage(GetHwnd(), TVM_SETTEXTCOLOR, 0, colour.GetPixel());
+ ::SendMessage(GetHwnd(), TVM_SETTEXTCOLOR, 0, colour.GetPixel());
#endif
- return TRUE;
+ return true;
}
// ----------------------------------------------------------------------------
// Item access
// ----------------------------------------------------------------------------
+bool wxTreeCtrl::IsHiddenRoot(const wxTreeItemId& item) const
+{
+ return HITEM(item) == TVI_ROOT && HasFlag(wxTR_HIDE_ROOT);
+}
+
wxString wxTreeCtrl::GetItemText(const wxTreeItemId& item) const
{
+ wxCHECK_MSG( item.IsOk(), wxEmptyString, wxT("invalid tree item") );
+
wxChar buf[512]; // the size is arbitrary...
wxTreeViewItem tvItem(item, TVIF_TEXT);
void wxTreeCtrl::SetItemText(const wxTreeItemId& item, const wxString& text)
{
+ wxCHECK_RET( item.IsOk(), wxT("invalid tree item") );
+
if ( IS_VIRTUAL_ROOT(item) )
return;
wxTreeViewItem tvItem(item, TVIF_TEXT);
- tvItem.pszText = (wxChar *)text.c_str(); // conversion is ok
+ tvItem.pszText = (wxChar *)text.wx_str(); // conversion is ok
DoSetItem(&tvItem);
+
+ // when setting the text of the item being edited, the text control should
+ // be updated to reflect the new text as well, otherwise calling
+ // SetItemText() in the OnBeginLabelEdit() handler doesn't have any effect
+ //
+ // don't use GetEditControl() here because m_textCtrl is not set yet
+ HWND hwndEdit = TreeView_GetEditControl(GetHwnd());
+ if ( hwndEdit )
+ {
+ if ( item == m_idEdited )
+ {
+ ::SetWindowText(hwndEdit, text.wx_str());
+ }
+ }
}
-int wxTreeCtrl::DoGetItemImageFromData(const wxTreeItemId& item,
- wxTreeItemIcon which) const
+int wxTreeCtrl::GetItemImage(const wxTreeItemId& item,
+ wxTreeItemIcon which) const
{
- wxTreeViewItem tvItem(item, TVIF_PARAM);
- if ( !DoGetItem(&tvItem) )
+ wxCHECK_MSG( item.IsOk(), -1, wxT("invalid tree item") );
+
+ if ( IsHiddenRoot(item) )
{
+ // no images for hidden root item
return -1;
}
- return ((wxTreeItemIndirectData *)tvItem.lParam)->GetImage(which);
+ wxTreeItemParam *param = GetItemParam(item);
+
+ return param && param->HasImage(which) ? param->GetImage(which) : -1;
}
-void wxTreeCtrl::DoSetItemImageFromData(const wxTreeItemId& item,
- int image,
- wxTreeItemIcon which) const
+void wxTreeCtrl::SetItemImage(const wxTreeItemId& item, int image,
+ wxTreeItemIcon which)
{
- wxTreeViewItem tvItem(item, TVIF_PARAM);
- if ( !DoGetItem(&tvItem) )
+ wxCHECK_RET( item.IsOk(), wxT("invalid tree item") );
+ wxCHECK_RET( which >= 0 &&
+ which < wxTreeItemIcon_Max,
+ wxT("invalid image index"));
+
+
+ if ( IsHiddenRoot(item) )
{
+ // no images for hidden root item
return;
}
- wxTreeItemIndirectData *data = ((wxTreeItemIndirectData *)tvItem.lParam);
+ wxTreeItemParam *data = GetItemParam(item);
+ if ( !data )
+ return;
data->SetImage(image, which);
- // make sure that we have selected images as well
- if ( which == wxTreeItemIcon_Normal &&
- !data->HasImage(wxTreeItemIcon_Selected) )
- {
- data->SetImage(image, wxTreeItemIcon_Selected);
- }
-
- if ( which == wxTreeItemIcon_Expanded &&
- !data->HasImage(wxTreeItemIcon_SelectedExpanded) )
- {
- data->SetImage(image, wxTreeItemIcon_SelectedExpanded);
- }
+ RefreshItem(item);
}
-void wxTreeCtrl::DoSetItemImages(const wxTreeItemId& item,
- int image,
- int imageSel)
+wxTreeItemParam *wxTreeCtrl::GetItemParam(const wxTreeItemId& item) const
{
- wxTreeViewItem tvItem(item, TVIF_IMAGE | TVIF_SELECTEDIMAGE);
- tvItem.iSelectedImage = imageSel;
- tvItem.iImage = image;
- DoSetItem(&tvItem);
-}
+ wxCHECK_MSG( item.IsOk(), NULL, wxT("invalid tree item") );
-int wxTreeCtrl::GetItemImage(const wxTreeItemId& item,
- wxTreeItemIcon which) const
-{
- if ( (HITEM(item) == TVI_ROOT) && (m_windowStyle & wxTR_HIDE_ROOT) )
+ wxTreeViewItem tvItem(item, TVIF_PARAM);
+
+ // hidden root may still have data.
+ if ( IS_VIRTUAL_ROOT(item) )
{
- // TODO: Maybe a hidden root can still provide images?
- return -1;
+ return GET_VIRTUAL_ROOT()->GetParam();
}
- if ( HasIndirectData(item) )
+ // visible node.
+ if ( !DoGetItem(&tvItem) )
{
- return DoGetItemImageFromData(item, which);
+ return NULL;
}
- UINT mask;
- switch ( which )
- {
- default:
- wxFAIL_MSG( wxT("unknown tree item image type") );
+ return (wxTreeItemParam *)tvItem.lParam;
+}
- case wxTreeItemIcon_Normal:
- mask = TVIF_IMAGE;
- break;
+wxTreeItemData *wxTreeCtrl::GetItemData(const wxTreeItemId& item) const
+{
+ wxTreeItemParam *data = GetItemParam(item);
- case wxTreeItemIcon_Selected:
- mask = TVIF_SELECTEDIMAGE;
- break;
+ return data ? data->GetData() : NULL;
+}
- case wxTreeItemIcon_Expanded:
- case wxTreeItemIcon_SelectedExpanded:
- return -1;
+void wxTreeCtrl::SetItemData(const wxTreeItemId& item, wxTreeItemData *data)
+{
+ // first, associate this piece of data with this item
+ if ( data )
+ {
+ data->SetId(item);
}
- wxTreeViewItem tvItem(item, mask);
- DoGetItem(&tvItem);
+ wxTreeItemParam *param = GetItemParam(item);
- return mask == TVIF_IMAGE ? tvItem.iImage : tvItem.iSelectedImage;
+ wxCHECK_RET( param, wxT("failed to change tree items data") );
+
+ param->SetData(data);
}
-void wxTreeCtrl::SetItemImage(const wxTreeItemId& item, int image,
- wxTreeItemIcon which)
-{
- if ( IS_VIRTUAL_ROOT(item) )
- {
- // TODO: Maybe a hidden root can still store images?
- return;
- }
-
- int imageNormal, imageSel;
- switch ( which )
- {
- default:
- wxFAIL_MSG( wxT("unknown tree item image type") );
-
- case wxTreeItemIcon_Normal:
- imageNormal = image;
- imageSel = GetItemSelectedImage(item);
- break;
-
- case wxTreeItemIcon_Selected:
- imageNormal = GetItemImage(item);
- imageSel = image;
- break;
-
- case wxTreeItemIcon_Expanded:
- case wxTreeItemIcon_SelectedExpanded:
- if ( !HasIndirectData(item) )
- {
- // we need to get the old images first, because after we create
- // the wxTreeItemIndirectData GetItemXXXImage() will use it to
- // get the images
- imageNormal = GetItemImage(item);
- imageSel = GetItemSelectedImage(item);
-
- // if it doesn't have it yet, add it
- wxTreeItemIndirectData *data = new
- wxTreeItemIndirectData(this, item);
-
- // copy the data to the new location
- data->SetImage(imageNormal, wxTreeItemIcon_Normal);
- data->SetImage(imageSel, wxTreeItemIcon_Selected);
- }
-
- DoSetItemImageFromData(item, image, which);
-
- // reset the normal/selected images because we won't use them any
- // more - now they're stored inside the indirect data
- imageNormal =
- imageSel = I_IMAGECALLBACK;
- break;
- }
-
- // NB: at least in version 5.00.0518.9 of comctl32.dll we need to always
- // change both normal and selected image - otherwise the change simply
- // doesn't take place!
- DoSetItemImages(item, imageNormal, imageSel);
-}
-
-wxTreeItemData *wxTreeCtrl::GetItemData(const wxTreeItemId& item) const
-{
- wxTreeViewItem tvItem(item, TVIF_PARAM);
-
- // Hidden root may have data.
- if ( IS_VIRTUAL_ROOT(item) )
- {
- return GET_VIRTUAL_ROOT()->GetData();
- }
-
- // Visible node.
- if ( !DoGetItem(&tvItem) )
- {
- return NULL;
- }
-
- wxTreeItemData *data = (wxTreeItemData *)tvItem.lParam;
- if ( IsDataIndirect(data) )
- {
- data = ((wxTreeItemIndirectData *)data)->GetData();
- }
-
- return data;
-}
-
-void wxTreeCtrl::SetItemData(const wxTreeItemId& item, wxTreeItemData *data)
-{
- if ( IS_VIRTUAL_ROOT(item) )
- {
- GET_VIRTUAL_ROOT()->SetData(data);
- }
-
- // first, associate this piece of data with this item
- if ( data )
- {
- data->SetId(item);
- }
-
- wxTreeViewItem tvItem(item, TVIF_PARAM);
-
- if ( HasIndirectData(item) )
- {
- if ( DoGetItem(&tvItem) )
- {
- ((wxTreeItemIndirectData *)tvItem.lParam)->SetData(data);
- }
- else
- {
- wxFAIL_MSG( wxT("failed to change tree items data") );
- }
- }
- else
- {
- tvItem.lParam = (LPARAM)data;
- DoSetItem(&tvItem);
- }
-}
-
-void wxTreeCtrl::SetIndirectItemData(const wxTreeItemId& item,
- wxTreeItemIndirectData *data)
-{
- // this should never happen because it's unnecessary and will probably lead
- // to crash too because the code elsewhere supposes that the pointer the
- // wxTreeItemIndirectData has is a real wxItemData and not
- // wxTreeItemIndirectData as well
- wxASSERT_MSG( !HasIndirectData(item), wxT("setting indirect data twice?") );
-
- SetItemData(item, data);
-}
-
-bool wxTreeCtrl::HasIndirectData(const wxTreeItemId& item) const
-{
- // query the item itself
- wxTreeViewItem tvItem(item, TVIF_PARAM);
- if ( !DoGetItem(&tvItem) )
- {
- return FALSE;
- }
-
- wxTreeItemData *data = (wxTreeItemData *)tvItem.lParam;
-
- return data && IsDataIndirect(data);
-}
-
-void wxTreeCtrl::SetItemHasChildren(const wxTreeItemId& item, bool has)
+void wxTreeCtrl::SetItemHasChildren(const wxTreeItemId& item, bool has)
{
+ wxCHECK_RET( item.IsOk(), wxT("invalid tree item") );
+
if ( IS_VIRTUAL_ROOT(item) )
return;
void wxTreeCtrl::SetItemBold(const wxTreeItemId& item, bool bold)
{
+ wxCHECK_RET( item.IsOk(), wxT("invalid tree item") );
+
if ( IS_VIRTUAL_ROOT(item) )
return;
}
}
+wxColour wxTreeCtrl::GetItemTextColour(const wxTreeItemId& item) const
+{
+ wxCHECK_MSG( item.IsOk(), wxNullColour, wxT("invalid tree item") );
+
+ wxMapTreeAttr::const_iterator it = m_attrs.find(item.m_pItem);
+ return it == m_attrs.end() ? wxNullColour : it->second->GetTextColour();
+}
+
+wxColour wxTreeCtrl::GetItemBackgroundColour(const wxTreeItemId& item) const
+{
+ wxCHECK_MSG( item.IsOk(), wxNullColour, wxT("invalid tree item") );
+
+ wxMapTreeAttr::const_iterator it = m_attrs.find(item.m_pItem);
+ return it == m_attrs.end() ? wxNullColour : it->second->GetBackgroundColour();
+}
+
+wxFont wxTreeCtrl::GetItemFont(const wxTreeItemId& item) const
+{
+ wxCHECK_MSG( item.IsOk(), wxNullFont, wxT("invalid tree item") );
+
+ wxMapTreeAttr::const_iterator it = m_attrs.find(item.m_pItem);
+ return it == m_attrs.end() ? wxNullFont : it->second->GetFont();
+}
+
void wxTreeCtrl::SetItemTextColour(const wxTreeItemId& item,
const wxColour& col)
{
- m_hasAnyAttr = TRUE;
+ wxCHECK_RET( item.IsOk(), wxT("invalid tree item") );
- long id = (long)(WXHTREEITEM)item;
- wxTreeItemAttr *attr = (wxTreeItemAttr *)m_attrs.Get(id);
- if ( !attr )
+ wxTreeItemAttr *attr;
+ wxMapTreeAttr::iterator it = m_attrs.find(item.m_pItem);
+ if ( it == m_attrs.end() )
{
+ m_hasAnyAttr = true;
+
+ m_attrs[item.m_pItem] =
attr = new wxTreeItemAttr;
- m_attrs.Put(id, (wxObject *)attr);
+ }
+ else
+ {
+ attr = it->second;
}
attr->SetTextColour(col);
void wxTreeCtrl::SetItemBackgroundColour(const wxTreeItemId& item,
const wxColour& col)
{
- m_hasAnyAttr = TRUE;
+ wxCHECK_RET( item.IsOk(), wxT("invalid tree item") );
- long id = (long)(WXHTREEITEM)item;
- wxTreeItemAttr *attr = (wxTreeItemAttr *)m_attrs.Get(id);
- if ( !attr )
+ wxTreeItemAttr *attr;
+ wxMapTreeAttr::iterator it = m_attrs.find(item.m_pItem);
+ if ( it == m_attrs.end() )
{
+ m_hasAnyAttr = true;
+
+ m_attrs[item.m_pItem] =
attr = new wxTreeItemAttr;
- m_attrs.Put(id, (wxObject *)attr);
+ }
+ else // already in the hash
+ {
+ attr = it->second;
}
attr->SetBackgroundColour(col);
void wxTreeCtrl::SetItemFont(const wxTreeItemId& item, const wxFont& font)
{
- m_hasAnyAttr = TRUE;
+ wxCHECK_RET( item.IsOk(), wxT("invalid tree item") );
- long id = (long)(WXHTREEITEM)item;
- wxTreeItemAttr *attr = (wxTreeItemAttr *)m_attrs.Get(id);
- if ( !attr )
+ wxTreeItemAttr *attr;
+ wxMapTreeAttr::iterator it = m_attrs.find(item.m_pItem);
+ if ( it == m_attrs.end() )
{
+ m_hasAnyAttr = true;
+
+ m_attrs[item.m_pItem] =
attr = new wxTreeItemAttr;
- m_attrs.Put(id, (wxObject *)attr);
+ }
+ else // already in the hash
+ {
+ attr = it->second;
}
attr->SetFont(font);
+ // Reset the item's text to ensure that the bounding rect will be adjusted
+ // for the new font.
+ SetItemText(item, GetItemText(item));
+
RefreshItem(item);
}
bool wxTreeCtrl::IsVisible(const wxTreeItemId& item) const
{
+ wxCHECK_MSG( item.IsOk(), false, wxT("invalid tree item") );
+
+ if ( item == wxTreeItemId(TVI_ROOT) )
+ {
+ // virtual (hidden) root is never visible
+ return false;
+ }
+
// Bug in Gnu-Win32 headers, so don't use the macro TreeView_GetItemRect
RECT rect;
// this ugliness comes directly from MSDN - it *is* the correct way to pass
// the HTREEITEM with TVM_GETITEMRECT
- *(WXHTREEITEM *)&rect = (WXHTREEITEM)item;
+ *(HTREEITEM *)&rect = HITEM(item);
- // FALSE means get item rect for the whole item, not only text
- return SendMessage(GetHwnd(), TVM_GETITEMRECT, FALSE, (LPARAM)&rect) != 0;
+ // true means to get rect for just the text, not the whole line
+ if ( !::SendMessage(GetHwnd(), TVM_GETITEMRECT, true, (LPARAM)&rect) )
+ {
+ // if TVM_GETITEMRECT returned false, then the item is definitely not
+ // visible (because its parent is not expanded)
+ return false;
+ }
+
+ // however if it returned true, the item might still be outside the
+ // currently visible part of the tree, test for it (notice that partly
+ // visible means visible here)
+ return rect.bottom > 0 && rect.top < GetClientSize().y;
}
bool wxTreeCtrl::ItemHasChildren(const wxTreeItemId& item) const
{
+ wxCHECK_MSG( item.IsOk(), false, wxT("invalid tree item") );
+
wxTreeViewItem tvItem(item, TVIF_CHILDREN);
DoGetItem(&tvItem);
bool wxTreeCtrl::IsExpanded(const wxTreeItemId& item) const
{
- // probably not a good idea to put it here
- //wxASSERT( ItemHasChildren(item) );
+ wxCHECK_MSG( item.IsOk(), false, wxT("invalid tree item") );
wxTreeViewItem tvItem(item, TVIF_STATE, TVIS_EXPANDED);
DoGetItem(&tvItem);
bool wxTreeCtrl::IsSelected(const wxTreeItemId& item) const
{
+ wxCHECK_MSG( item.IsOk(), false, wxT("invalid tree item") );
+
wxTreeViewItem tvItem(item, TVIF_STATE, TVIS_SELECTED);
DoGetItem(&tvItem);
bool wxTreeCtrl::IsBold(const wxTreeItemId& item) const
{
+ wxCHECK_MSG( item.IsOk(), false, wxT("invalid tree item") );
+
wxTreeViewItem tvItem(item, TVIF_STATE, TVIS_BOLD);
DoGetItem(&tvItem);
if ( GET_VIRTUAL_ROOT() )
return TVI_ROOT;
- return wxTreeItemId((WXHTREEITEM) TreeView_GetRoot(GetHwnd()));
+ return wxTreeItemId(TreeView_GetRoot(GetHwnd()));
}
wxTreeItemId wxTreeCtrl::GetSelection() const
{
- wxCHECK_MSG( !(m_windowStyle & wxTR_MULTIPLE), (long)(WXHTREEITEM)0,
+ wxCHECK_MSG( !(m_windowStyle & wxTR_MULTIPLE), wxTreeItemId(),
wxT("this only works with single selection controls") );
- return wxTreeItemId((WXHTREEITEM) TreeView_GetSelection(GetHwnd()));
+ return wxTreeItemId(TreeView_GetSelection(GetHwnd()));
}
-wxTreeItemId wxTreeCtrl::GetParent(const wxTreeItemId& item) const
+wxTreeItemId wxTreeCtrl::GetItemParent(const wxTreeItemId& item) const
{
+ wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
+
HTREEITEM hItem;
if ( IS_VIRTUAL_ROOT(item) )
}
}
- return wxTreeItemId((WXHTREEITEM)hItem);
+ return wxTreeItemId(hItem);
}
wxTreeItemId wxTreeCtrl::GetFirstChild(const wxTreeItemId& item,
- long& _cookie) const
+ wxTreeItemIdValue& cookie) const
{
+ wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
+
// remember the last child returned in 'cookie'
- _cookie = (long)TreeView_GetChild(GetHwnd(), HITEM(item));
+ cookie = TreeView_GetChild(GetHwnd(), HITEM(item));
- return wxTreeItemId((WXHTREEITEM)_cookie);
+ return wxTreeItemId(cookie);
}
wxTreeItemId wxTreeCtrl::GetNextChild(const wxTreeItemId& WXUNUSED(item),
- long& _cookie) const
+ wxTreeItemIdValue& cookie) const
{
- wxTreeItemId l = wxTreeItemId((WXHTREEITEM)TreeView_GetNextSibling(GetHwnd(),
- HITEM(_cookie)));
- _cookie = (long)l;
+ wxTreeItemId fromCookie(cookie);
+
+ HTREEITEM hitem = HITEM(fromCookie);
+
+ hitem = TreeView_GetNextSibling(GetHwnd(), hitem);
+
+ wxTreeItemId item(hitem);
- return l;
+ cookie = item.m_pItem;
+
+ return item;
}
wxTreeItemId wxTreeCtrl::GetLastChild(const wxTreeItemId& item) const
{
+ wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
+
// can this be done more efficiently?
- long cookie;
+ wxTreeItemIdValue cookie;
wxTreeItemId childLast,
child = GetFirstChild(item, cookie);
wxTreeItemId wxTreeCtrl::GetNextSibling(const wxTreeItemId& item) const
{
- return wxTreeItemId((WXHTREEITEM) TreeView_GetNextSibling(GetHwnd(), HITEM(item)));
+ wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
+ return wxTreeItemId(TreeView_GetNextSibling(GetHwnd(), HITEM(item)));
}
wxTreeItemId wxTreeCtrl::GetPrevSibling(const wxTreeItemId& item) const
{
- return wxTreeItemId((WXHTREEITEM) TreeView_GetPrevSibling(GetHwnd(), HITEM(item)));
+ wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
+ return wxTreeItemId(TreeView_GetPrevSibling(GetHwnd(), HITEM(item)));
}
wxTreeItemId wxTreeCtrl::GetFirstVisibleItem() const
{
- return wxTreeItemId((WXHTREEITEM) TreeView_GetFirstVisible(GetHwnd()));
+ return wxTreeItemId(TreeView_GetFirstVisible(GetHwnd()));
}
wxTreeItemId wxTreeCtrl::GetNextVisible(const wxTreeItemId& item) const
{
+ wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
wxASSERT_MSG( IsVisible(item), wxT("The item you call GetNextVisible() for must be visible itself!"));
- return wxTreeItemId((WXHTREEITEM) TreeView_GetNextVisible(GetHwnd(), HITEM(item)));
+ wxTreeItemId next(TreeView_GetNextVisible(GetHwnd(), HITEM(item)));
+ if ( next.IsOk() && !IsVisible(next) )
+ {
+ // Win32 considers that any non-collapsed item is visible while we want
+ // to return only really visible items
+ next.Unset();
+ }
+
+ return next;
}
wxTreeItemId wxTreeCtrl::GetPrevVisible(const wxTreeItemId& item) const
{
+ wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
wxASSERT_MSG( IsVisible(item), wxT("The item you call GetPrevVisible() for must be visible itself!"));
- return wxTreeItemId((WXHTREEITEM) TreeView_GetPrevVisible(GetHwnd(), HITEM(item)));
+ wxTreeItemId prev(TreeView_GetPrevVisible(GetHwnd(), HITEM(item)));
+ if ( prev.IsOk() && !IsVisible(prev) )
+ {
+ // just as above, Win32 function will happily return the previous item
+ // in the tree for the first visible item too
+ prev.Unset();
+ }
+
+ return prev;
}
// ----------------------------------------------------------------------------
bool wxTreeCtrl::IsItemChecked(const wxTreeItemId& item) const
{
+ wxCHECK_MSG( item.IsOk(), false, wxT("invalid tree item") );
+
// receive the desired information.
wxTreeViewItem tvItem(item, TVIF_STATE, TVIS_STATEIMAGEMASK);
DoGetItem(&tvItem);
void wxTreeCtrl::SetItemCheck(const wxTreeItemId& item, bool check)
{
+ wxCHECK_RET( item.IsOk(), wxT("invalid tree item") );
+
// receive the desired information.
wxTreeViewItem tvItem(item, TVIF_STATE, TVIS_STATEIMAGEMASK);
// Usual operations
// ----------------------------------------------------------------------------
-wxTreeItemId wxTreeCtrl::DoInsertItem(const wxTreeItemId& parent,
- wxTreeItemId hInsertAfter,
- const wxString& text,
- int image, int selectedImage,
- wxTreeItemData *data)
+wxTreeItemId wxTreeCtrl::DoInsertAfter(const wxTreeItemId& parent,
+ const wxTreeItemId& hInsertAfter,
+ const wxString& text,
+ int image, int selectedImage,
+ wxTreeItemData *data)
{
wxCHECK_MSG( parent.IsOk() || !TreeView_GetRoot(GetHwnd()),
wxTreeItemId(),
}
UINT mask = 0;
- if ( !text.IsEmpty() )
+ if ( !text.empty() )
{
mask |= TVIF_TEXT;
- tvIns.item.pszText = (wxChar *)text.c_str(); // cast is ok
+ tvIns.item.pszText = (wxChar *)text.wx_str(); // cast is ok
}
else
{
tvIns.item.cchTextMax = 0;
}
- if ( image != -1 )
- {
- mask |= TVIF_IMAGE;
- tvIns.item.iImage = image;
-
- if ( selectedImage == -1 )
- {
- // take the same image for selected icon if not specified
- selectedImage = image;
- }
- }
+ // create the param which will store the other item parameters
+ wxTreeItemParam *param = new wxTreeItemParam;
- if ( selectedImage != -1 )
- {
- mask |= TVIF_SELECTEDIMAGE;
- tvIns.item.iSelectedImage = selectedImage;
- }
+ // we return the images on demand as they depend on whether the item is
+ // expanded or collapsed too in our case
+ mask |= TVIF_IMAGE | TVIF_SELECTEDIMAGE;
+ tvIns.item.iImage = I_IMAGECALLBACK;
+ tvIns.item.iSelectedImage = I_IMAGECALLBACK;
- if ( data != NULL )
- {
- mask |= TVIF_PARAM;
- tvIns.item.lParam = (LPARAM)data;
- }
+ param->SetImage(image, wxTreeItemIcon_Normal);
+ param->SetImage(selectedImage, wxTreeItemIcon_Selected);
+ mask |= TVIF_PARAM;
+ tvIns.item.lParam = (LPARAM)param;
tvIns.item.mask = mask;
- HTREEITEM id = (HTREEITEM) TreeView_InsertItem(GetHwnd(), &tvIns);
+ HTREEITEM id = TreeView_InsertItem(GetHwnd(), &tvIns);
if ( id == 0 )
{
wxLogLastError(wxT("TreeView_InsertItem"));
}
+ // associate the application tree item with Win32 tree item handle
+ param->SetItem(id);
+
+ // setup wxTreeItemData
if ( data != NULL )
{
- // associate the application tree item with Win32 tree item handle
- data->SetId((WXHTREEITEM)id);
+ param->SetData(data);
+ data->SetId(id);
}
- return wxTreeItemId((WXHTREEITEM)id);
-}
-
-// for compatibility only
-wxTreeItemId wxTreeCtrl::InsertItem(const wxTreeItemId& parent,
- const wxString& text,
- int image, int selImage,
- long insertAfter)
-{
- return DoInsertItem(parent, (WXHTREEITEM)insertAfter, text,
- image, selImage, NULL);
+ return wxTreeItemId(id);
}
wxTreeItemId wxTreeCtrl::AddRoot(const wxString& text,
int image, int selectedImage,
wxTreeItemData *data)
{
-
- if ( m_windowStyle & wxTR_HIDE_ROOT )
+ if ( HasFlag(wxTR_HIDE_ROOT) )
{
+ wxASSERT_MSG( !m_pVirtualRoot, _T("tree can have only a single root") );
+
// create a virtual root item, the parent for all the others
- m_pVirtualRoot = new wxVirtualNode(data);
+ wxTreeItemParam *param = new wxTreeItemParam;
+ param->SetData(data);
+
+ m_pVirtualRoot = new wxVirtualNode(param);
return TVI_ROOT;
}
- return DoInsertItem(wxTreeItemId((long)(WXHTREEITEM) 0), (long)(WXHTREEITEM) 0,
- text, image, selectedImage, data);
-}
-
-wxTreeItemId wxTreeCtrl::PrependItem(const wxTreeItemId& parent,
- const wxString& text,
- int image, int selectedImage,
- wxTreeItemData *data)
-{
- return DoInsertItem(parent, (WXHTREEITEM) TVI_FIRST,
- text, image, selectedImage, data);
+ return DoInsertAfter(wxTreeItemId(), wxTreeItemId(),
+ text, image, selectedImage, data);
}
-wxTreeItemId wxTreeCtrl::InsertItem(const wxTreeItemId& parent,
- const wxTreeItemId& idPrevious,
- const wxString& text,
- int image, int selectedImage,
- wxTreeItemData *data)
-{
- return DoInsertItem(parent, idPrevious, text, image, selectedImage, data);
-}
-
-wxTreeItemId wxTreeCtrl::InsertItem(const wxTreeItemId& parent,
- size_t index,
- const wxString& text,
- int image, int selectedImage,
- wxTreeItemData *data)
+wxTreeItemId wxTreeCtrl::DoInsertItem(const wxTreeItemId& parent,
+ size_t index,
+ const wxString& text,
+ int image, int selectedImage,
+ wxTreeItemData *data)
{
- // find the item from index
- long cookie;
- wxTreeItemId idPrev, idCur = GetFirstChild(parent, cookie);
- while ( index != 0 && idCur.IsOk() )
+ wxTreeItemId idPrev;
+ if ( index == (size_t)-1 )
{
- index--;
-
- idPrev = idCur;
- idCur = GetNextChild(parent, cookie);
+ // special value: append to the end
+ idPrev = TVI_LAST;
}
+ else // find the item from index
+ {
+ wxTreeItemIdValue cookie;
+ wxTreeItemId idCur = GetFirstChild(parent, cookie);
+ while ( index != 0 && idCur.IsOk() )
+ {
+ index--;
- // assert, not check: if the index is invalid, we will append the item
- // to the end
- wxASSERT_MSG( index == 0, _T("bad index in wxTreeCtrl::InsertItem") );
+ idPrev = idCur;
+ idCur = GetNextChild(parent, cookie);
+ }
- return DoInsertItem(parent, idPrev, text, image, selectedImage, data);
-}
+ // assert, not check: if the index is invalid, we will append the item
+ // to the end
+ wxASSERT_MSG( index == 0, _T("bad index in wxTreeCtrl::InsertItem") );
+ }
-wxTreeItemId wxTreeCtrl::AppendItem(const wxTreeItemId& parent,
- const wxString& text,
- int image, int selectedImage,
- wxTreeItemData *data)
-{
- return DoInsertItem(parent, (WXHTREEITEM) TVI_LAST,
- text, image, selectedImage, data);
+ return DoInsertAfter(parent, idPrev, text, image, selectedImage, data);
}
void wxTreeCtrl::Delete(const wxTreeItemId& item)
// delete all children (but don't delete the item itself)
void wxTreeCtrl::DeleteChildren(const wxTreeItemId& item)
{
- long cookie;
+ wxTreeItemIdValue cookie;
- wxArrayLong children;
+ wxArrayTreeItemIds children;
wxTreeItemId child = GetFirstChild(item, cookie);
while ( child.IsOk() )
{
- children.Add((long)(WXHTREEITEM)child);
+ children.Add(child);
child = GetNextChild(item, cookie);
}
size_t nCount = children.Count();
for ( size_t n = 0; n < nCount; n++ )
{
- if ( !TreeView_DeleteItem(GetHwnd(), (HTREEITEM)children[n]) )
+ if ( !TreeView_DeleteItem(GetHwnd(), HITEM(children[n])) )
{
wxLogLastError(wxT("TreeView_DeleteItem"));
}
void wxTreeCtrl::DeleteAllItems()
{
- // delete stored root item.
- delete GET_VIRTUAL_ROOT();
+ // delete the "virtual" root item.
+ if ( GET_VIRTUAL_ROOT() )
+ {
+ delete GET_VIRTUAL_ROOT();
+ m_pVirtualRoot = NULL;
+ }
+
+ // and all the real items
if ( !TreeView_DeleteAllItems(GetHwnd()) )
{
wxT("Unknown flag in wxTreeCtrl::DoExpand") );
// A hidden root can be neither expanded nor collapsed.
- wxCHECK_RET( !(m_windowStyle & wxTR_HIDE_ROOT) || (HITEM(item) != TVI_ROOT),
- wxT("Can't expand/collapse hidden root node!") )
+ wxCHECK_RET( !IsHiddenRoot(item),
+ wxT("Can't expand/collapse hidden root node!") );
// TreeView_Expand doesn't send TVN_ITEMEXPAND(ING) messages, so we must
// emulate them. This behaviour has changed slightly with comctl32.dll
if ( TreeView_Expand(GetHwnd(), HITEM(item), flag) != 0 )
{
- wxTreeEvent event(wxEVT_NULL, m_windowId);
- event.m_item = item;
- event.SetEventObject(this);
-
// note that the {EXPAND|COLLAPS}ING event is sent by TreeView_Expand()
// itself
- event.SetEventType(gs_expandEvents[IsExpanded(item) ? IDX_EXPAND
- : IDX_COLLAPSE]
- [IDX_DONE]);
-
- (void)GetEventHandler()->ProcessEvent(event);
+ wxTreeEvent event(gs_expandEvents[IsExpanded(item) ? IDX_EXPAND
+ : IDX_COLLAPSE]
+ [IDX_DONE],
+ this, item);
+ (void)HandleWindowEvent(event);
}
//else: change didn't took place, so do nothing at all
}
DoExpand(item, TVE_TOGGLE);
}
-void wxTreeCtrl::ExpandItem(const wxTreeItemId& item, int action)
-{
- DoExpand(item, action);
-}
-
void wxTreeCtrl::Unselect()
{
wxASSERT_MSG( !(m_windowStyle & wxTR_MULTIPLE),
wxT("doesn't make sense, may be you want UnselectAll()?") );
// just remove the selection
- SelectItem(wxTreeItemId((long) (WXHTREEITEM) 0));
+ SelectItem(wxTreeItemId());
}
void wxTreeCtrl::UnselectAll()
size_t count = GetSelections(selections);
for ( size_t n = 0; n < count; n++ )
{
-#if wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE
- SetItemCheck(selections[n], FALSE);
-#else // !wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE
::UnselectItem(GetHwnd(), HITEM(selections[n]));
-#endif // wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE/!wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE
}
+
+ m_htSelStart.Unset();
}
else
{
}
}
-void wxTreeCtrl::SelectItem(const wxTreeItemId& item)
+void wxTreeCtrl::SelectItem(const wxTreeItemId& item, bool select)
{
- if ( m_windowStyle & wxTR_MULTIPLE )
- {
-#if wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE
- // selecting the item means checking it
- SetItemCheck(item);
-#else // !wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE
- ::SelectItem(GetHwnd(), HITEM(item));
-#endif // wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE/!wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE
- }
- else
- {
- // inspite of the docs (MSDN Jan 99 edition), we don't seem to receive
- // the notification from the control (i.e. TVN_SELCHANG{ED|ING}), so
- // send them ourselves
+ wxCHECK_RET( !IsHiddenRoot(item), _T("can't select hidden root item") );
- wxTreeEvent event(wxEVT_NULL, m_windowId);
- event.m_item = item;
- event.SetEventObject(this);
+ wxASSERT_MSG( select || HasFlag(wxTR_MULTIPLE),
+ _T("SelectItem(false) works only for multiselect") );
- event.SetEventType(wxEVT_COMMAND_TREE_SEL_CHANGING);
- if ( !GetEventHandler()->ProcessEvent(event) || event.IsAllowed() )
+ wxTreeEvent event(wxEVT_COMMAND_TREE_SEL_CHANGING, this, item);
+ if ( !HandleWindowEvent(event) || event.IsAllowed() )
+ {
+ if ( HasFlag(wxTR_MULTIPLE) )
{
- if ( !TreeView_SelectItem(GetHwnd(), HITEM(item)) )
+ if ( !::SelectItem(GetHwnd(), HITEM(item), select) )
{
wxLogLastError(wxT("TreeView_SelectItem"));
+ return;
}
- else
+ }
+ else // single selection
+ {
+ // use TreeView_SelectItem() to deselect the previous selection
+ if ( !TreeView_SelectItem(GetHwnd(), HITEM(item)) )
{
- event.SetEventType(wxEVT_COMMAND_TREE_SEL_CHANGED);
- (void)GetEventHandler()->ProcessEvent(event);
+ wxLogLastError(wxT("TreeView_SelectItem"));
+ return;
}
}
- //else: program vetoed the change
+
+ event.SetEventType(wxEVT_COMMAND_TREE_SEL_CHANGED);
+ (void)HandleWindowEvent(event);
}
+ //else: program vetoed the change
}
void wxTreeCtrl::EnsureVisible(const wxTreeItemId& item)
{
+ wxCHECK_RET( !IsHiddenRoot(item), _T("can't show hidden root item") );
+
// no error return
TreeView_EnsureVisible(GetHwnd(), HITEM(item));
}
}
}
-wxTextCtrl* wxTreeCtrl::GetEditControl() const
+wxTextCtrl *wxTreeCtrl::GetEditControl() const
{
return m_textCtrl;
}
m_textCtrl->SetHWND(0);
delete m_textCtrl;
m_textCtrl = NULL;
+
+ m_idEdited.Unset();
}
}
-wxTextCtrl* wxTreeCtrl::EditLabel(const wxTreeItemId& item,
- wxClassInfo* textControlClass)
+wxTextCtrl *wxTreeCtrl::EditLabel(const wxTreeItemId& item,
+ wxClassInfo *textControlClass)
{
wxASSERT( textControlClass->IsKindOf(CLASSINFO(wxTextCtrl)) );
DeleteTextCtrl();
+ m_idEdited = item;
m_textCtrl = (wxTextCtrl *)textControlClass->CreateObject();
HWND hWnd = (HWND) TreeView_EditLabel(GetHwnd(), HITEM(item));
// this is not an error - the TVN_BEGINLABELEDIT handler might have
- // returned FALSE
+ // returned false
if ( !hWnd )
{
delete m_textCtrl;
}
// End label editing, optionally cancelling the edit
-void wxTreeCtrl::EndEditLabel(const wxTreeItemId& WXUNUSED(item), bool discardChanges)
+void wxTreeCtrl::DoEndEditLabel(bool discardChanges)
{
TreeView_EndEditLabelNow(GetHwnd(), discardChanges);
DeleteTextCtrl();
}
-wxTreeItemId wxTreeCtrl::HitTest(const wxPoint& point, int& flags)
+wxTreeItemId wxTreeCtrl::DoTreeHitTest(const wxPoint& point, int& flags) const
{
TV_HITTESTINFO hitTestInfo;
hitTestInfo.pt.x = (int)point.x;
hitTestInfo.pt.y = (int)point.y;
- TreeView_HitTest(GetHwnd(), &hitTestInfo);
+ (void) TreeView_HitTest(GetHwnd(), &hitTestInfo);
flags = 0;
#undef TRANSLATE_FLAG
- return wxTreeItemId((WXHTREEITEM) hitTestInfo.hItem);
+ return wxTreeItemId(hitTestInfo.hItem);
}
bool wxTreeCtrl::GetBoundingRect(const wxTreeItemId& item,
bool textOnly) const
{
RECT rc;
+
+ // Virtual root items have no bounding rectangle
+ if ( IS_VIRTUAL_ROOT(item) )
+ {
+ return false;
+ }
+
if ( TreeView_GetItemRect(GetHwnd(), HITEM(item),
&rc, textOnly) )
{
rect = wxRect(wxPoint(rc.left, rc.top), wxPoint(rc.right, rc.bottom));
- return TRUE;
+ return true;
}
else
{
// couldn't retrieve rect: for example, item isn't visible
- return FALSE;
+ return false;
}
}
static int CALLBACK Compare(LPARAM data1, LPARAM data2, LPARAM tree);
private:
- static wxTreeItemId GetIdFromData(wxTreeCtrl *tree, LPARAM item)
+ static wxTreeItemId GetIdFromData(LPARAM lParam)
{
- wxTreeItemData *data = (wxTreeItemData *)item;
- if ( tree->IsDataIndirect(data) )
- {
- data = ((wxTreeItemIndirectData *)data)->GetData();
+ return ((wxTreeItemParam*)lParam)->GetItem();
}
-
- return data->GetId();
- }
};
int CALLBACK wxTreeSortHelper::Compare(LPARAM pItem1,
wxTreeCtrl *tree = (wxTreeCtrl *)htree;
- return tree->OnCompareItems(GetIdFromData(tree, pItem1),
- GetIdFromData(tree, pItem2));
-}
-
-int wxTreeCtrl::OnCompareItems(const wxTreeItemId& item1,
- const wxTreeItemId& item2)
-{
- return wxStrcmp(GetItemText(item1), GetItemText(item2));
+ return tree->OnCompareItems(GetIdFromData(pItem1),
+ GetIdFromData(pItem2));
}
void wxTreeCtrl::SortChildren(const wxTreeItemId& item)
{
+ wxCHECK_RET( item.IsOk(), wxT("invalid tree item") );
+
// rely on the fact that TreeView_SortChildren does the same thing as our
// default behaviour, i.e. sorts items alphabetically and so call it
// directly if we're not in derived class (much more efficient!)
+ // RN: Note that if you find you're code doesn't sort as expected this
+ // may be why as if you don't use the DECLARE_CLASS/IMPLEMENT_CLASS
+ // combo for your derived wxTreeCtrl if will sort without
+ // OnCompareItems
if ( GetClassInfo() == CLASSINFO(wxTreeCtrl) )
{
TreeView_SortChildren(GetHwnd(), HITEM(item), 0);
// implementation
// ----------------------------------------------------------------------------
-bool wxTreeCtrl::MSWCommand(WXUINT cmd, WXWORD id)
+bool wxTreeCtrl::MSWShouldPreProcessMessage(WXMSG* msg)
+{
+ if ( msg->message == WM_KEYDOWN )
+ {
+ // Only eat VK_RETURN if not being used by the application in
+ // conjunction with modifiers
+ if ( (msg->wParam == VK_RETURN) && !wxIsAnyModifierDown() )
+ {
+ // we need VK_RETURN to generate wxEVT_COMMAND_TREE_ITEM_ACTIVATED
+ return false;
+ }
+ }
+
+ return wxTreeCtrlBase::MSWShouldPreProcessMessage(msg);
+}
+
+bool wxTreeCtrl::MSWCommand(WXUINT cmd, WXWORD id_)
{
+ const int id = (signed short)id_;
+
if ( cmd == EN_UPDATE )
{
wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, id);
else
{
// nothing done
- return FALSE;
+ return false;
}
// command processed
- return TRUE;
+ return true;
}
// we hook into WndProc to process WM_MOUSEMOVE/WM_BUTTONUP messages - as we
// only do it during dragging, minimize wxWin overhead (this is important for
// WM_MOUSEMOVE as they're a lot of them) by catching Windows messages directly
// instead of passing by wxWin events
-long wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
+WXLRESULT wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
{
- bool processed = FALSE;
- long rc = 0;
- bool isMultiple = (GetWindowStyle() & wxTR_MULTIPLE) != 0;
+ bool processed = false;
+ WXLRESULT rc = 0;
+ bool isMultiple = HasFlag(wxTR_MULTIPLE);
+
+ // This message is sent after a right-click, or when the "menu" key is pressed
+ if ( nMsg == WM_CONTEXTMENU )
+ {
+ int x = GET_X_LPARAM(lParam),
+ y = GET_Y_LPARAM(lParam);
+
+ // the item for which the menu should be shown
+ wxTreeItemId item;
+
+ // the position where the menu should be shown in client coordinates
+ // (so that it can be passed directly to PopupMenu())
+ wxPoint pt;
+
+ if ( x == -1 || y == -1 )
+ {
+ // this means that the event was generated from keyboard (e.g. with
+ // Shift-F10 or special Windows menu key)
+ //
+ // use the Explorer standard of putting the menu at the left edge
+ // of the text, in the vertical middle of the text
+ item = wxTreeItemId(TreeView_GetSelection(GetHwnd()));
+ if ( item.IsOk() )
+ {
+ // Use the bounding rectangle of only the text part
+ wxRect rect;
+ GetBoundingRect(item, rect, true);
+ pt = wxPoint(rect.GetX(), rect.GetY() + rect.GetHeight() / 2);
+ }
+ }
+ else // event from mouse, use mouse position
+ {
+ pt = ScreenToClient(wxPoint(x, y));
+
+ TV_HITTESTINFO tvhti;
+ tvhti.pt.x = pt.x;
+ tvhti.pt.y = pt.y;
+ if ( TreeView_HitTest(GetHwnd(), &tvhti) )
+ item = wxTreeItemId(tvhti.hItem);
+ }
+
+ // create the event
+ wxTreeEvent event(wxEVT_COMMAND_TREE_ITEM_MENU, this, item);
+
+ event.m_pointDrag = pt;
- if ( (nMsg >= WM_MOUSEFIRST) && (nMsg <= WM_MOUSELAST) )
+ if ( HandleWindowEvent(event) )
+ processed = true;
+ //else: continue with generating wxEVT_CONTEXT_MENU in base class code
+ }
+ else if ( (nMsg >= WM_MOUSEFIRST) && (nMsg <= WM_MOUSELAST) )
{
- // we only process mouse messages here and these parameters have the same
- // meaning for all of them
+ // we only process mouse messages here and these parameters have the
+ // same meaning for all of them
int x = GET_X_LPARAM(lParam),
y = GET_Y_LPARAM(lParam);
- HTREEITEM htItem = GetItemFromPoint(GetHwnd(), x, y);
+
+ TV_HITTESTINFO tvht;
+ tvht.pt.x = x;
+ tvht.pt.y = y;
+
+ HTREEITEM htItem = TreeView_HitTest(GetHwnd(), &tvht);
switch ( nMsg )
{
-#if !wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE
case WM_LBUTTONDOWN:
- if ( htItem && isMultiple )
+ if ( htItem && isMultiple && (tvht.flags & TVHT_ONITEM) != 0 )
{
+ m_htClickedItem = (WXHTREEITEM) htItem;
+ m_ptClick = wxPoint(x, y);
+
if ( wParam & MK_CONTROL )
{
SetFocus();
// toggle selected state
- ToggleItemSelection(GetHwnd(), htItem);
+ ToggleItemSelection(htItem);
::SetFocus(GetHwnd(), htItem);
// reset on any click without Shift
- m_htSelStart = 0;
+ m_htSelStart.Unset();
- processed = TRUE;
+ processed = true;
}
else if ( wParam & MK_SHIFT )
{
if ( !m_htSelStart )
{
// take the focused item
- m_htSelStart = (WXHTREEITEM)
- TreeView_GetSelection(GetHwnd());
+ m_htSelStart = TreeView_GetSelection(GetHwnd());
}
- SelectRange(GetHwnd(), HITEM(m_htSelStart), htItem,
+ if ( m_htSelStart )
+ SelectRange(GetHwnd(), HITEM(m_htSelStart), htItem,
!(wParam & MK_CONTROL));
+ else
+ ::SelectItem(GetHwnd(), htItem);
::SetFocus(GetHwnd(), htItem);
- processed = TRUE;
+ processed = true;
}
else // normal click
{
- // clear the selection and then let the default handler
- // do the job
- UnselectAll();
+ // avoid doing anything if we click on the only
+ // currently selected item
+
+ SetFocus();
- // prevent the click from starting in-place editing
- // when there was no selection in the control
- TreeView_SelectItem(GetHwnd(), 0);
+ wxArrayTreeItemIds selections;
+ size_t count = GetSelections(selections);
+ if ( count == 0 ||
+ count > 1 ||
+ HITEM(selections[0]) != htItem )
+ {
+ // clear the previously selected items, if the
+ // user clicked outside of the present selection.
+ // otherwise, perform the deselection on mouse-up.
+ // this allows multiple drag and drop to work.
+
+ if (!IsItemSelected(GetHwnd(), htItem))
+ {
+ UnselectAll();
+
+ // prevent the click from starting in-place editing
+ // which should only happen if we click on the
+ // already selected item (and nothing else is
+ // selected)
+
+ TreeView_SelectItem(GetHwnd(), 0);
+ ::SelectItem(GetHwnd(), htItem);
+ }
+ ::SetFocus(GetHwnd(), htItem);
+ processed = true;
+ }
+ else // click on a single selected item
+ {
+ // don't interfere with the default processing in
+ // WM_MOUSEMOVE handler below as the default window
+ // proc will start the drag itself if we let have
+ // WM_LBUTTONDOWN
+ m_htClickedItem.Unset();
+ }
// reset on any click without Shift
- m_htSelStart = 0;
+ m_htSelStart.Unset();
+ }
+ }
+ break;
+
+ case WM_RBUTTONDOWN:
+ // default handler removes the highlight from the currently
+ // focused item when right mouse button is pressed on another
+ // one but keeps the remaining items highlighted, which is
+ // confusing, so override this default behaviour for tree with
+ // multiple selections
+ if ( isMultiple )
+ {
+ if ( !IsItemSelected(GetHwnd(), htItem) )
+ {
+ UnselectAll();
+ SelectItem(htItem);
+ ::SetFocus(GetHwnd(), htItem);
}
+
+ // fire EVT_RIGHT_DOWN
+ HandleMouseEvent(nMsg, x, y, wParam);
+
+ // send NM_RCLICK
+ NMHDR nmhdr;
+ nmhdr.hwndFrom = GetHwnd();
+ nmhdr.idFrom = ::GetWindowLong(GetHwnd(), GWL_ID);
+ nmhdr.code = NM_RCLICK;
+ ::SendMessage(::GetParent(GetHwnd()), WM_NOTIFY,
+ nmhdr.idFrom, (LPARAM)&nmhdr);
+
+ // prevent tree control default processing, as we've
+ // already done everything
+ processed = true;
}
break;
-#endif // wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE
case WM_MOUSEMOVE:
+#ifndef __WXWINCE__
+ if ( m_htClickedItem )
+ {
+ int cx = abs(m_ptClick.x - x);
+ int cy = abs(m_ptClick.y - y);
+
+ if ( cx > ::GetSystemMetrics(SM_CXDRAG) ||
+ cy > ::GetSystemMetrics(SM_CYDRAG) )
+ {
+ NM_TREEVIEW tv;
+ wxZeroMemory(tv);
+
+ tv.hdr.hwndFrom = GetHwnd();
+ tv.hdr.idFrom = ::GetWindowLong(GetHwnd(), GWL_ID);
+ tv.hdr.code = TVN_BEGINDRAG;
+
+ tv.itemNew.hItem = HITEM(m_htClickedItem);
+
+
+ TVITEM tviAux;
+ wxZeroMemory(tviAux);
+
+ tviAux.hItem = HITEM(m_htClickedItem);
+ tviAux.mask = TVIF_STATE | TVIF_PARAM;
+ tviAux.stateMask = 0xffffffff;
+ TreeView_GetItem(GetHwnd(), &tviAux);
+
+ tv.itemNew.state = tviAux.state;
+ tv.itemNew.lParam = tviAux.lParam;
+
+ tv.ptDrag.x = x;
+ tv.ptDrag.y = y;
+
+ // do it before SendMessage() call below to avoid
+ // reentrancies here if there is another WM_MOUSEMOVE
+ // in the queue already
+ m_htClickedItem.Unset();
+
+ ::SendMessage(GetHwndOf(GetParent()), WM_NOTIFY,
+ tv.hdr.idFrom, (LPARAM)&tv );
+
+ // don't pass it to the default window proc, it would
+ // start dragging again
+ processed = true;
+ }
+ }
+#endif // __WXWINCE__
+
+#if wxUSE_DRAGIMAGE
if ( m_dragImage )
{
m_dragImage->Move(wxPoint(x, y));
m_dragImage->Show();
}
}
+#endif // wxUSE_DRAGIMAGE
break;
case WM_LBUTTONUP:
+
+ // facilitates multiple drag-and-drop
+ if (htItem && isMultiple)
+ {
+ wxArrayTreeItemIds selections;
+ size_t count = GetSelections(selections);
+
+ if (count > 1 &&
+ !(wParam & MK_CONTROL) &&
+ !(wParam & MK_SHIFT))
+ {
+ UnselectAll();
+ TreeView_SelectItem(GetHwnd(), htItem);
+ ::SelectItem(GetHwnd(), htItem);
+ ::SetFocus(GetHwnd(), htItem);
+ }
+ m_htClickedItem.Unset();
+ }
+
+ // fall through
+
case WM_RBUTTONUP:
+#if wxUSE_DRAGIMAGE
if ( m_dragImage )
{
m_dragImage->EndDrag();
m_dragImage = NULL;
// generate the drag end event
- wxTreeEvent event(wxEVT_COMMAND_TREE_END_DRAG, m_windowId);
-
- event.m_item = (WXHTREEITEM)htItem;
+ wxTreeEvent event(wxEVT_COMMAND_TREE_END_DRAG, this, htItem);
event.m_pointDrag = wxPoint(x, y);
- event.SetEventObject(this);
- (void)GetEventHandler()->ProcessEvent(event);
+ (void)HandleWindowEvent(event);
// if we don't do it, the tree seems to think that 2 items
// are selected simultaneously which is quite weird
TreeView_SelectDropTarget(GetHwnd(), 0);
}
+#endif // wxUSE_DRAGIMAGE
break;
}
}
-#if !wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE
else if ( (nMsg == WM_SETFOCUS || nMsg == WM_KILLFOCUS) && isMultiple )
{
// the tree control greys out the selected item when it loses focus and
RECT rect;
for ( size_t n = 0; n < count; n++ )
{
- // TreeView_GetItemRect() will return FALSE if item is not visible,
+ // TreeView_GetItemRect() will return false if item is not visible,
// which may happen perfectly well
if ( TreeView_GetItemRect(GetHwnd(), HITEM(selections[n]),
&rect, TRUE) )
bool bCtrl = wxIsCtrlDown(),
bShift = wxIsShiftDown();
- // we handle.arrows and space, but not page up/down and home/end: the
- // latter should be easy, but not the former
-
HTREEITEM htSel = (HTREEITEM)TreeView_GetSelection(GetHwnd());
- if ( !m_htSelStart )
- {
- m_htSelStart = (WXHTREEITEM)htSel;
- }
-
- if ( wParam == VK_SPACE )
+ switch ( wParam )
{
- if ( bCtrl )
- {
- ToggleItemSelection(GetHwnd(), htSel);
- }
- else
- {
- UnselectAll();
-
- ::SelectItem(GetHwnd(), htSel);
- }
+ case VK_SPACE:
+ if ( bCtrl )
+ {
+ ToggleItemSelection(htSel);
+ }
+ else
+ {
+ UnselectAll();
- processed = TRUE;
- }
- else if ( wParam == VK_UP || wParam == VK_DOWN )
- {
- if ( !bCtrl && !bShift )
- {
- // no modifiers, just clear selection and then let the default
- // processing to take place
- UnselectAll();
- }
- else if ( htSel )
- {
- (void)wxControl::MSWWindowProc(nMsg, wParam, lParam);
+ ::SelectItem(GetHwnd(), htSel);
+ }
- HTREEITEM htNext = (HTREEITEM)(wParam == VK_UP
- ? TreeView_GetPrevVisible(GetHwnd(), htSel)
- : TreeView_GetNextVisible(GetHwnd(), htSel));
+ processed = true;
+ break;
- if ( !htNext )
+ case VK_UP:
+ case VK_DOWN:
+ if ( !bCtrl && !bShift )
{
- // at the top/bottom
- htNext = htSel;
+ // no modifiers, just clear selection and then let the default
+ // processing to take place
+ UnselectAll();
}
-
- if ( bShift )
+ else if ( htSel )
{
- SelectRange(GetHwnd(), HITEM(m_htSelStart), htNext);
+ (void)wxControl::MSWWindowProc(nMsg, wParam, lParam);
+
+ HTREEITEM htNext = (HTREEITEM)
+ TreeView_GetNextItem
+ (
+ GetHwnd(),
+ htSel,
+ wParam == VK_UP ? TVGN_PREVIOUSVISIBLE
+ : TVGN_NEXTVISIBLE
+ );
+
+ if ( !htNext )
+ {
+ // at the top/bottom
+ htNext = htSel;
+ }
+
+ if ( bShift )
+ {
+ if ( !m_htSelStart )
+ m_htSelStart = htSel;
+
+ SelectRange(GetHwnd(), HITEM(m_htSelStart), htNext);
+ }
+ else // bCtrl
+ {
+ // without changing selection
+ ::SetFocus(GetHwnd(), htNext);
+ }
+
+ processed = true;
}
- else // bCtrl
+ break;
+
+ case VK_HOME:
+ case VK_END:
+ case VK_PRIOR:
+ case VK_NEXT:
+ // TODO: handle Shift/Ctrl with these keys
+ if ( !bCtrl && !bShift )
{
- // without changing selection
- ::SetFocus(GetHwnd(), htNext);
+ UnselectAll();
+
+ m_htSelStart.Unset();
}
+ }
+ }
+ else if ( nMsg == WM_COMMAND )
+ {
+ // if we receive a EN_KILLFOCUS command from the in-place edit control
+ // used for label editing, make sure to end editing
+ WORD id, cmd;
+ WXHWND hwnd;
+ UnpackCommand(wParam, lParam, &id, &hwnd, &cmd);
- processed = TRUE;
+ if ( cmd == EN_KILLFOCUS )
+ {
+ if ( m_textCtrl && m_textCtrl->GetHandle() == hwnd )
+ {
+ DoEndEditLabel();
+
+ processed = true;
}
}
}
-#endif // !wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE
+
if ( !processed )
rc = wxControl::MSWWindowProc(nMsg, wParam, lParam);
return rc;
}
+WXLRESULT
+wxTreeCtrl::MSWDefWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
+{
+ if ( nMsg == WM_CHAR )
+ {
+ // don't let the control process Space and Return keys because it
+ // doesn't do anything useful with them anyhow but always beeps
+ // annoyingly when it receives them and there is no way to turn it off
+ // simply if you just process TREEITEM_ACTIVATED event to which Space
+ // and Enter presses are mapped in your code
+ if ( wParam == VK_SPACE || wParam == VK_RETURN )
+ return 0;
+ }
+#if wxUSE_DRAGIMAGE
+ else if ( nMsg == WM_KEYDOWN )
+ {
+ if ( wParam == VK_ESCAPE )
+ {
+ if ( m_dragImage )
+ {
+ m_dragImage->EndDrag();
+ delete m_dragImage;
+ m_dragImage = NULL;
+
+ // if we don't do it, the tree seems to think that 2 items
+ // are selected simultaneously which is quite weird
+ TreeView_SelectDropTarget(GetHwnd(), 0);
+ }
+ }
+ }
+#endif // wxUSE_DRAGIMAGE
+
+ return wxControl::MSWDefWindowProc(nMsg, wParam, lParam);
+}
+
// process WM_NOTIFY Windows message
bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
{
- wxTreeEvent event(wxEVT_NULL, m_windowId);
+ wxTreeEvent event(wxEVT_NULL, this);
wxEventType eventType = wxEVT_NULL;
NMHDR *hdr = (NMHDR *)lParam;
NM_TREEVIEW *tv = (NM_TREEVIEW *)lParam;
- event.m_item = (WXHTREEITEM) tv->itemNew.hItem;
+ event.m_item = tv->itemNew.hItem;
event.m_pointDrag = wxPoint(tv->ptDrag.x, tv->ptDrag.y);
// don't allow dragging by default: the user code must
eventType = wxEVT_COMMAND_TREE_BEGIN_LABEL_EDIT;
TV_DISPINFO *info = (TV_DISPINFO *)lParam;
- event.m_item = (WXHTREEITEM) info->item.hItem;
+ // although the user event handler may still veto it, it is
+ // important to set it now so that calls to SetItemText() from
+ // the event handler would change the text controls contents
+ m_idEdited =
+ event.m_item = info->item.hItem;
event.m_label = info->item.pszText;
+ event.m_editCancelled = false;
}
break;
eventType = wxEVT_COMMAND_TREE_DELETE_ITEM;
NM_TREEVIEW *tv = (NM_TREEVIEW *)lParam;
- event.m_item = (WXHTREEITEM)tv->itemOld.hItem;
+ event.m_item = tv->itemOld.hItem;
if ( m_hasAnyAttr )
{
- delete (wxTreeItemAttr *)m_attrs.
- Delete((long)tv->itemOld.hItem);
+ wxMapTreeAttr::iterator it = m_attrs.find(tv->itemOld.hItem);
+ if ( it != m_attrs.end() )
+ {
+ delete it->second;
+ m_attrs.erase(it);
+ }
}
}
break;
eventType = wxEVT_COMMAND_TREE_END_LABEL_EDIT;
TV_DISPINFO *info = (TV_DISPINFO *)lParam;
- event.m_item = (WXHTREEITEM)info->item.hItem;
+ event.m_item = info->item.hItem;
event.m_label = info->item.pszText;
- if (info->item.pszText == NULL)
- return FALSE;
+ event.m_editCancelled = info->item.pszText == NULL;
break;
}
+#ifndef __WXWINCE__
+ // These *must* not be removed or TVN_GETINFOTIP will
+ // not be processed each time the mouse is moved
+ // and the tooltip will only ever update once.
+ case TTN_NEEDTEXTA:
+ case TTN_NEEDTEXTW:
+ {
+ *result = 0;
+
+ break;
+ }
+
+#ifdef TVN_GETINFOTIP
+ case TVN_GETINFOTIP:
+ {
+ eventType = wxEVT_COMMAND_TREE_ITEM_GETTOOLTIP;
+ NMTVGETINFOTIP *info = (NMTVGETINFOTIP*)lParam;
+
+ // Which item are we trying to get a tooltip for?
+ event.m_item = info->hItem;
+
+ break;
+ }
+#endif // TVN_GETINFOTIP
+#endif // !__WXWINCE__
+
case TVN_GETDISPINFO:
eventType = wxEVT_COMMAND_TREE_GET_INFO;
// fall through
TV_DISPINFO *info = (TV_DISPINFO *)lParam;
- event.m_item = (WXHTREEITEM) info->item.hItem;
+ event.m_item = info->item.hItem;
break;
}
case TVN_ITEMEXPANDING:
case TVN_ITEMEXPANDED:
{
- NM_TREEVIEW* tv = (NM_TREEVIEW*)lParam;
+ NM_TREEVIEW *tv = (NM_TREEVIEW*)lParam;
int what;
switch ( tv->action )
break;
}
- int how = (int)hdr->code == TVN_ITEMEXPANDING ? IDX_DOING
- : IDX_DONE;
+ int how = hdr->code == TVN_ITEMEXPANDING ? IDX_DOING
+ : IDX_DONE;
eventType = gs_expandEvents[what][how];
- event.m_item = (WXHTREEITEM) tv->itemNew.hItem;
+ event.m_item = tv->itemNew.hItem;
}
break;
eventType = wxEVT_COMMAND_TREE_KEY_DOWN;
TV_KEYDOWN *info = (TV_KEYDOWN *)lParam;
- // we pass 0 as 2 last CreateKeyEvent() parameters because we
- // don't have access to the real key press flags here - but as
- // it is only used to determin wxKeyEvent::m_altDown flag it's
- // not too bad
+ // fabricate the lParam and wParam parameters sufficiently
+ // similar to the ones from a "real" WM_KEYDOWN so that
+ // CreateKeyEvent() works correctly
+ WXLPARAM lParam = (wxIsAltDown() ? KF_ALTDOWN : 0) << 16;
+
+ WXWPARAM wParam = info->wVKey;
+
+ int keyCode = wxCharCodeMSWToWX(wParam);
+ if ( !keyCode )
+ {
+ // wxCharCodeMSWToWX() returns 0 to indicate that this is a
+ // simple ASCII key
+ keyCode = wParam;
+ }
+
event.m_evtKey = CreateKeyEvent(wxEVT_KEY_DOWN,
- wxCharCodeMSWToWX(info->wVKey));
+ keyCode,
+ lParam,
+ wParam);
// a separate event for Space/Return
- if ( !wxIsCtrlDown() && !wxIsShiftDown() &&
+ if ( !wxIsAnyModifierDown() &&
((info->wVKey == VK_SPACE) || (info->wVKey == VK_RETURN)) )
{
- wxTreeEvent event2(wxEVT_COMMAND_TREE_ITEM_ACTIVATED,
- m_windowId);
- event2.SetEventObject(this);
- if ( !(GetWindowStyle() & wxTR_MULTIPLE) )
- {
- event2.m_item = GetSelection();
- }
- //else: don't know how to get it
+ wxTreeItemId item;
+ if ( !HasFlag(wxTR_MULTIPLE) )
+ item = GetSelection();
- (void)GetEventHandler()->ProcessEvent(event2);
+ wxTreeEvent event2(wxEVT_COMMAND_TREE_ITEM_ACTIVATED,
+ this, item);
+ (void)HandleWindowEvent(event2);
}
}
break;
- case TVN_SELCHANGED:
+
+ // Vista's tree control has introduced some problems with our
+ // multi-selection tree. When TreeView_SelectItem() is called,
+ // the wrong items are deselected.
+
+ // Fortunately, Vista provides a new notification, TVN_ITEMCHANGING
+ // that can be used to regulate this incorrect behavior. The
+ // following messages will allow only the unlocked item's selection
+ // state to change
+ case TVN_ITEMCHANGINGA:
+ case TVN_ITEMCHANGINGW:
+ {
+ // we only need to handles these in multi-select trees
+ if ( HasFlag(wxTR_MULTIPLE) )
+ {
+ // get info about the item about to be changed
+ NMTVITEMCHANGE* info = (NMTVITEMCHANGE*)lParam;
+ if (info->hItem != gs_unlockItem)
+ {
+ // item's state is locked, don't allow the change
+ // returning 1 will disallow the change
+ *result = 1;
+ return true;
+ }
+ }
+
+ // allow the state change
+ }
+ return false;
+
+ // NB: MSLU is broken and sends TVN_SELCHANGEDA instead of
+ // TVN_SELCHANGEDW in Unicode mode under Win98. Therefore
+ // we have to handle both messages:
+ case TVN_SELCHANGEDA:
+ case TVN_SELCHANGEDW:
eventType = wxEVT_COMMAND_TREE_SEL_CHANGED;
// fall through
- case TVN_SELCHANGING:
+ case TVN_SELCHANGINGA:
+ case TVN_SELCHANGINGW:
{
if ( eventType == wxEVT_NULL )
eventType = wxEVT_COMMAND_TREE_SEL_CHANGING;
//else: already set above
- NM_TREEVIEW* tv = (NM_TREEVIEW *)lParam;
-
- event.m_item = (WXHTREEITEM) tv->itemNew.hItem;
- event.m_itemOld = (WXHTREEITEM) tv->itemOld.hItem;
+ if (hdr->code == TVN_SELCHANGINGW ||
+ hdr->code == TVN_SELCHANGEDW)
+ {
+ NM_TREEVIEWW *tv = (NM_TREEVIEWW *)lParam;
+ event.m_item = tv->itemNew.hItem;
+ event.m_itemOld = tv->itemOld.hItem;
+ }
+ else
+ {
+ NM_TREEVIEWA *tv = (NM_TREEVIEWA *)lParam;
+ event.m_item = tv->itemNew.hItem;
+ event.m_itemOld = tv->itemOld.hItem;
+ }
}
+
+ // we receive this message from WM_LBUTTONDOWN handler inside
+ // comctl32.dll and so before the click is passed to
+ // DefWindowProc() which sets the focus to the window which was
+ // clicked and this can lead to unexpected event sequences: for
+ // example, we may get a "selection change" event from the tree
+ // before getting a "kill focus" event for the text control which
+ // had the focus previously, thus breaking user code doing input
+ // validation
+ //
+ // to avoid such surprises, we force the generation of focus events
+ // now, before we generate the selection change ones
+ SetFocus();
break;
-#if defined(_WIN32_IE) && _WIN32_IE >= 0x300 && !wxUSE_COMCTL32_SAFELY && !( defined(__GNUWIN32__) && !wxCHECK_W32API_VERSION( 1, 0 ) )
+ // instead of explicitly checking for _WIN32_IE, check if the
+ // required symbols are available in the headers
+#if defined(CDDS_PREPAINT) && !wxUSE_COMCTL32_SAFELY
case NM_CUSTOMDRAW:
{
LPNMTVCUSTOMDRAW lptvcd = (LPNMTVCUSTOMDRAW)lParam;
case CDDS_ITEMPREPAINT:
{
- wxTreeItemAttr *attr =
- (wxTreeItemAttr *)m_attrs.Get(nmcd.dwItemSpec);
+ wxMapTreeAttr::iterator
+ it = m_attrs.find((void *)nmcd.dwItemSpec);
- if ( !attr )
+ if ( it == m_attrs.end() )
{
// nothing to do for this item
*result = CDRF_DODEFAULT;
break;
}
- HFONT hFont;
- wxColour colText, colBack;
- if ( attr->HasFont() )
- {
- wxFont font = attr->GetFont();
- hFont = (HFONT)font.GetResourceHandle();
- }
- else
- {
- hFont = 0;
- }
-
- if ( attr->HasTextColour() )
- {
- colText = attr->GetTextColour();
- }
- else
- {
- colText = GetForegroundColour();
- }
+ wxTreeItemAttr * const attr = it->second;
- // selection colours should override ours
- if ( nmcd.uItemState & CDIS_SELECTED )
- {
- DWORD clrBk = ::GetSysColor(COLOR_HIGHLIGHT);
- lptvcd->clrTextBk = clrBk;
+ wxTreeViewItem tvItem((void *)nmcd.dwItemSpec,
+ TVIF_STATE, TVIS_DROPHILITED);
+ DoGetItem(&tvItem);
+ const UINT tvItemState = tvItem.state;
- // try to make the text visible
- lptvcd->clrText = wxColourToRGB(colText);
- lptvcd->clrText |= ~clrBk;
- lptvcd->clrText &= 0x00ffffff;
- }
- else
+ // selection colours should override ours,
+ // otherwise it is too confusing to the user
+ if ( !(nmcd.uItemState & CDIS_SELECTED) &&
+ !(tvItemState & TVIS_DROPHILITED) )
{
+ wxColour colBack;
if ( attr->HasBackgroundColour() )
{
colBack = attr->GetBackgroundColour();
+ lptvcd->clrTextBk = wxColourToRGB(colBack);
}
- else
+ }
+
+ // but we still want to keep the special foreground
+ // colour when we don't have focus (we can't keep
+ // it when we do, it would usually be unreadable on
+ // the almost inverted bg colour...)
+ if ( ( !(nmcd.uItemState & CDIS_SELECTED) ||
+ FindFocus() != this ) &&
+ !(tvItemState & TVIS_DROPHILITED) )
+ {
+ wxColour colText;
+ if ( attr->HasTextColour() )
{
- colBack = GetBackgroundColour();
+ colText = attr->GetTextColour();
+ lptvcd->clrText = wxColourToRGB(colText);
}
-
- lptvcd->clrText = wxColourToRGB(colText);
- lptvcd->clrTextBk = wxColourToRGB(colBack);
}
- // note that if we wanted to set colours for
- // individual columns (subitems), we would have
- // returned CDRF_NOTIFYSUBITEMREDRAW from here
- if ( hFont )
+ if ( attr->HasFont() )
{
+ HFONT hFont = GetHfontOf(attr->GetFont());
+
::SelectObject(nmcd.hdc, hFont);
*result = CDRF_NEWFONT;
}
- else
+ else // no specific font
{
*result = CDRF_DODEFAULT;
}
}
// we always process it
- return TRUE;
-#endif // _WIN32_IE >= 0x300
+ return true;
+#endif // have owner drawn support in headers
+
+ case NM_CLICK:
+ {
+ DWORD pos = GetMessagePos();
+ POINT point;
+ point.x = LOWORD(pos);
+ point.y = HIWORD(pos);
+ ::MapWindowPoints(HWND_DESKTOP, GetHwnd(), &point, 1);
+ int flags = 0;
+ wxTreeItemId item = HitTest(wxPoint(point.x, point.y), flags);
+ if (flags & wxTREE_HITTEST_ONITEMSTATEICON)
+ {
+ event.m_item = item;
+ eventType = wxEVT_COMMAND_TREE_STATE_IMAGE_CLICK;
+ }
+ break;
+ }
case NM_DBLCLK:
case NM_RCLICK:
{
if ( tvhti.flags & TVHT_ONITEM )
{
- event.m_item = (WXHTREEITEM) tvhti.hItem;
+ event.m_item = tvhti.hItem;
eventType = (int)hdr->code == NM_DBLCLK
? wxEVT_COMMAND_TREE_ITEM_ACTIVATED
: wxEVT_COMMAND_TREE_ITEM_RIGHT_CLICK;
return wxControl::MSWOnNotify(idCtrl, lParam, result);
}
- event.SetEventObject(this);
event.SetEventType(eventType);
- bool processed = GetEventHandler()->ProcessEvent(event);
+ if ( event.m_item.IsOk() )
+ event.SetClientObject(GetItemData(event.m_item));
+
+ bool processed = HandleWindowEvent(event);
// post processing
switch ( hdr->code )
// the return code of this event handler as the return value for
// NM_DBLCLK - otherwise, double clicking the item to toggle its
// expanded status would never work
- *result = FALSE;
+ *result = false;
+ break;
+
+ case NM_RCLICK:
+ // prevent tree control from sending WM_CONTEXTMENU to our parent
+ // (which it does if NM_RCLICK is not handled) because we want to
+ // send it to the control itself
+ *result =
+ processed = true;
+
+ ::SendMessage(GetHwnd(), WM_CONTEXTMENU,
+ (WPARAM)GetHwnd(), ::GetMessagePos());
break;
case TVN_BEGINDRAG:
case TVN_BEGINRDRAG:
+#if wxUSE_DRAGIMAGE
if ( event.IsAllowed() )
{
// normally this is impossible because the m_dragImage is
wxASSERT_MSG( !m_dragImage, _T("starting to drag once again?") );
m_dragImage = new wxDragImage(*this, event.m_item);
- m_dragImage->BeginDrag(wxPoint(0, 0), this);
+ m_dragImage->BeginDrag(wxPoint(0,0), this);
m_dragImage->Show();
}
+#endif // wxUSE_DRAGIMAGE
break;
case TVN_DELETEITEM:
{
- // NB: we might process this message using wxWindows event
+ // NB: we might process this message using wxWidgets event
// tables, but due to overhead of wxWin event system we
// prefer to do it here ourself (otherwise deleting a tree
// with many items is just too slow)
- NM_TREEVIEW* tv = (NM_TREEVIEW *)lParam;
+ NM_TREEVIEW *tv = (NM_TREEVIEW *)lParam;
- wxTreeItemId item = event.m_item;
- if ( HasIndirectData(item) )
- {
- wxTreeItemIndirectData *data = (wxTreeItemIndirectData *)
- tv->itemOld.lParam;
- delete data; // can't be NULL here
- }
- else
- {
- wxTreeItemData *data = (wxTreeItemData *)tv->itemOld.lParam;
- delete data; // may be NULL, ok
- }
+ wxTreeItemParam *param =
+ (wxTreeItemParam *)tv->itemOld.lParam;
+ delete param;
- processed = TRUE; // Make sure we don't get called twice
+ processed = true; // Make sure we don't get called twice
}
break;
case TVN_BEGINLABELEDIT:
- // return TRUE to cancel label editing
+ // return true to cancel label editing
*result = !event.IsAllowed();
+
// set ES_WANTRETURN ( like we do in BeginLabelEdit )
- if(event.IsAllowed())
+ if ( event.IsAllowed() )
{
HWND hText = TreeView_GetEditControl(GetHwnd());
- if(hText != NULL)
+ if ( hText )
{
- // MBN: if m_textCtrl already has an HWND, it is a stale
+ // MBN: if m_textCtrl already has an HWND, it is a stale
// pointer from a previous edit (because the user
// didn't modify the label before dismissing the control,
// and TVN_ENDLABELEDIT was not sent), so delete it
- if(m_textCtrl && m_textCtrl->GetHWND() != 0)
+ if ( m_textCtrl && m_textCtrl->GetHWND() )
DeleteTextCtrl();
- if(!m_textCtrl)
+ if ( !m_textCtrl )
m_textCtrl = new wxTextCtrl();
m_textCtrl->SetParent(this);
m_textCtrl->SetHWND((WXHWND)hText);
| wxTE_PROCESS_ENTER);
}
}
+ else // we had set m_idEdited before
+ {
+ m_idEdited.Unset();
+ }
break;
case TVN_ENDLABELEDIT:
- // return TRUE to set the label to the new string: note that we
+ // return true to set the label to the new string: note that we
// also must pretend that we did process the message or it is going
- // to be passed to DefWindowProc() which will happily return FALSE
+ // to be passed to DefWindowProc() which will happily return false
// cancelling the label change
*result = event.IsAllowed();
- processed = TRUE;
+ processed = true;
// ensure that we don't have the text ctrl which is going to be
// deleted any more
DeleteTextCtrl();
break;
+#ifndef __WXWINCE__
+#ifdef TVN_GETINFOTIP
+ case TVN_GETINFOTIP:
+ {
+ // If the user permitted a tooltip change, change it
+ if (event.IsAllowed())
+ {
+ SetToolTip(event.m_label);
+ }
+ }
+ break;
+#endif
+#endif
+
case TVN_SELCHANGING:
case TVN_ITEMEXPANDING:
- // return TRUE to prevent the action from happening
+ // return true to prevent the action from happening
*result = !event.IsAllowed();
break;
case TVN_ITEMEXPANDED:
- // the item is not refreshed properly after expansion when it has
- // an image depending on the expanded/collapsed state - bug in
- // comctl32.dll or our code?
{
- NM_TREEVIEW* tv = (NM_TREEVIEW*)lParam;
- if ( tv->action == TVE_EXPAND )
- {
- wxTreeItemId id = (WXHTREEITEM)tv->itemNew.hItem;
+ NM_TREEVIEW *tv = (NM_TREEVIEW *)lParam;
+ const wxTreeItemId id(tv->itemNew.hItem);
+ if ( tv->action == TVE_COLLAPSE )
+ {
+ if ( wxApp::GetComCtl32Version() >= 600 )
+ {
+ // for some reason the item selection rectangle depends
+ // on whether it is expanded or collapsed (at least
+ // with comctl32.dll v6): it is wider (by 3 pixels) in
+ // the expanded state, so when the item collapses and
+ // then is deselected the rightmost 3 pixels of the
+ // previously drawn selection are left on the screen
+ //
+ // it's not clear if it's a bug in comctl32.dll or in
+ // our code (because it does not happen in Explorer but
+ // OTOH we don't do anything which could result in this
+ // AFAICS) but we do need to work around it to avoid
+ // ugly artifacts
+ RefreshItem(id);
+ }
+ }
+ else // expand
+ {
+ // the item is also not refreshed properly after expansion when
+ // it has an image depending on the expanded/collapsed state:
+ // again, it's not clear if the bug is in comctl32.dll or our
+ // code...
int image = GetItemImage(id, wxTreeItemIcon_Expanded);
if ( image != -1 )
{
case TVN_GETDISPINFO:
// NB: so far the user can't set the image himself anyhow, so do it
// anyway - but this may change later
-// if ( /* !processed && */ 1 )
+ //if ( /* !processed && */ )
{
wxTreeItemId item = event.m_item;
TV_DISPINFO *info = (TV_DISPINFO *)lParam;
+
+ const wxTreeItemParam * const param = GetItemParam(item);
+ if ( !param )
+ break;
+
if ( info->item.mask & TVIF_IMAGE )
{
info->item.iImage =
- DoGetItemImageFromData
+ param->GetImage
(
- item,
IsExpanded(item) ? wxTreeItemIcon_Expanded
: wxTreeItemIcon_Normal
);
if ( info->item.mask & TVIF_SELECTEDIMAGE )
{
info->item.iSelectedImage =
- DoGetItemImageFromData
+ param->GetImage
(
- item,
IsExpanded(item) ? wxTreeItemIcon_SelectedExpanded
: wxTreeItemIcon_Selected
);
return processed;
}
-#endif // __WIN95__
+// ----------------------------------------------------------------------------
+// State control.
+// ----------------------------------------------------------------------------
+
+// why do they define INDEXTOSTATEIMAGEMASK but not the inverse?
+#define STATEIMAGEMASKTOINDEX(state) (((state) & TVIS_STATEIMAGEMASK) >> 12)
+
+void wxTreeCtrl::SetState(const wxTreeItemId& node, int state)
+{
+ TV_ITEM tvi;
+ tvi.hItem = (HTREEITEM)node.m_pItem;
+ tvi.mask = TVIF_STATE;
+ tvi.stateMask = TVIS_STATEIMAGEMASK;
+
+ // Select the specified state, or -1 == cycle to the next one.
+ if ( state == -1 )
+ {
+ TreeView_GetItem(GetHwnd(), &tvi);
+
+ state = STATEIMAGEMASKTOINDEX(tvi.state) + 1;
+ if ( state == m_imageListState->GetImageCount() )
+ state = 1;
+ }
+
+ wxCHECK_RET( state < m_imageListState->GetImageCount(),
+ _T("wxTreeCtrl::SetState(): item index out of bounds") );
+
+ tvi.state = INDEXTOSTATEIMAGEMASK(state);
+
+ TreeView_SetItem(GetHwnd(), &tvi);
+}
+
+int wxTreeCtrl::GetState(const wxTreeItemId& node)
+{
+ TV_ITEM tvi;
+ tvi.hItem = (HTREEITEM)node.m_pItem;
+ tvi.mask = TVIF_STATE;
+ tvi.stateMask = TVIS_STATEIMAGEMASK;
+ TreeView_GetItem(GetHwnd(), &tvi);
+
+ return STATEIMAGEMASKTOINDEX(tvi.state);
+}
#endif // wxUSE_TREECTRL
projects / wxWidgets.git / blobdiff