// headers
// ----------------------------------------------------------------------------
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
- #pragma implementation "treectrl.h"
-#endif
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#include "wx/msw/private.h"
+// include <commctrl.h> "properly"
+#include "wx/msw/wrapcctl.h"
+
+#include "wx/msw/missing.h"
+
// Set this to 1 to be _absolutely_ sure that repainting will work for all
// comctl32.dll versions
#define wxUSE_COMCTL32_SAFELY 0
#include "wx/dynarray.h"
#include "wx/imaglist.h"
#include "wx/settings.h"
-#include "wx/msw/treectrl.h"
+#include "wx/treectrl.h"
#include "wx/msw/dragimag.h"
-// include <commctrl.h> "properly"
-#include "wx/msw/wrapcctl.h"
-
// macros to hide the cast ugliness
// --------------------------------
-// ptr is the real item id, i.e. wxTreeItemId::m_pItem
-#define HITEM_PTR(ptr) (HTREEITEM)(ptr)
-
-// item here is a wxTreeItemId
-#define HITEM(item) HITEM_PTR((item).m_pItem)
+// get HTREEITEM from wxTreeItemId
+#define HITEM(item) ((HTREEITEM)(((item).m_pItem)))
// 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
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
{
m_selections.Empty();
- DoTraverse(tree->GetRootItem());
+ if (tree->GetCount() > 0)
+ DoTraverse(tree->GetRootItem());
}
virtual bool OnVisit(const wxTreeItemId& item)
void wxTreeCtrl::Init()
{
- m_imageListNormal = NULL;
- m_imageListState = NULL;
- m_ownsImageListNormal = m_ownsImageListState = false;
m_textCtrl = NULL;
m_hasAnyAttr = false;
m_dragImage = NULL;
wstyle |= TVS_CHECKBOXES;
#endif // wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE
-#ifndef __WXWINCE__
+#if !defined(__WXWINCE__) && defined(TVS_INFOTIP)
// Need so that TVN_GETINFOTIP messages will be sent
wstyle |= TVS_INFOTIP;
#endif
// 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;
}
// ----------------------------------------------------------------------------
TreeView_SetIndent(GetHwnd(), indent);
}
-wxImageList *wxTreeCtrl::GetImageList() const
-{
- return m_imageListNormal;
-}
-
-wxImageList *wxTreeCtrl::GetStateImageList() const
-{
- return m_imageListState;
-}
-
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)
m_ownsImageListState = false;
}
-void wxTreeCtrl::AssignImageList(wxImageList *imageList)
-{
- SetImageList(imageList);
- m_ownsImageListNormal = true;
-}
-
-void wxTreeCtrl::AssignStateImageList(wxImageList *imageList)
-{
- SetStateImageList(imageList);
- m_ownsImageListState = true;
-}
-
size_t wxTreeCtrl::GetChildrenCount(const wxTreeItemId& item,
bool recursively) const
{
// 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(),
// for compatibility only
#if WXWIN_COMPATIBILITY_2_4
-wxTreeItemId wxTreeCtrl::InsertItem(const wxTreeItemId& parent,
- const wxString& text,
- int image, int selImage,
- long insertAfter)
-{
- return DoInsertItem(parent, wxTreeItemId((void *)insertAfter), text,
- image, selImage, NULL);
-}
-
-wxImageList *wxTreeCtrl::GetImageList(int) const
-{
- return GetImageList();
-}
-
void wxTreeCtrl::SetImageList(wxImageList *imageList, int)
{
SetImageList(imageList);
return TVI_ROOT;
}
- return DoInsertItem(wxTreeItemId(), wxTreeItemId(),
- text, image, selectedImage, data);
+ return DoInsertAfter(wxTreeItemId(), wxTreeItemId(),
+ text, image, selectedImage, data);
}
-wxTreeItemId wxTreeCtrl::PrependItem(const wxTreeItemId& parent,
- const wxString& text,
- int image, int selectedImage,
- wxTreeItemData *data)
-{
- return DoInsertItem(parent, TVI_FIRST,
- 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
- wxTreeItemIdValue 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, TVI_LAST,
- text, image, selectedImage, data);
+ return DoInsertAfter(parent, idPrev, text, image, selectedImage, data);
}
void wxTreeCtrl::Delete(const wxTreeItemId& item)
size_t nCount = children.Count();
for ( size_t n = 0; n < nCount; n++ )
{
- if ( !TreeView_DeleteItem(GetHwnd(), HITEM_PTR(children[n])) )
+ if ( !TreeView_DeleteItem(GetHwnd(), HITEM(children[n])) )
{
wxLogLastError(wxT("TreeView_DeleteItem"));
}
for ( size_t n = 0; n < count; n++ )
{
#if wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE
- SetItemCheck(HITEM_PTR(selections[n]), false);
+ SetItemCheck(HITEM(selections[n]), false);
#else // !wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE
- ::UnselectItem(GetHwnd(), HITEM_PTR(selections[n]));
+ ::UnselectItem(GetHwnd(), HITEM(selections[n]));
#endif // wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE/!wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE
}
+
+ m_htSelStart.Unset();
}
else
{
}
}
-void wxTreeCtrl::UnselectItem(const wxTreeItemId& item)
-{
- SelectItem(item, false);
-}
-
-void wxTreeCtrl::ToggleItemSelection(const wxTreeItemId& item)
-{
- SelectItem(item, !IsSelected(item));
-}
-
void wxTreeCtrl::EnsureVisible(const wxTreeItemId& item)
{
// no error return
DeleteTextCtrl();
}
-wxTreeItemId wxTreeCtrl::HitTest(const wxPoint& point, int& flags)
+wxTreeItemId wxTreeCtrl::DoTreeHitTest(const wxPoint& point, int& flags)
{
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;
GetIdFromData(tree, pItem2));
}
-int wxTreeCtrl::OnCompareItems(const wxTreeItemId& item1,
- const wxTreeItemId& item2)
-{
- return wxStrcmp(GetItemText(item1), GetItemText(item2));
-}
-
void wxTreeCtrl::SortChildren(const wxTreeItemId& item)
{
wxCHECK_RET( item.IsOk(), wxT("invalid tree item") );
WXLRESULT rc = 0;
bool isMultiple = HasFlag(wxTR_MULTIPLE);
-#ifdef WM_CONTEXTMENU
+ // 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);
+ // Convert the screen point to a client point
+ wxPoint MenuPoint = ScreenToClient(wxPoint(x, y));
+
wxTreeEvent event( wxEVT_COMMAND_TREE_ITEM_MENU, GetId() );
// can't use GetSelection() here as it would assert in multiselect mode
event.m_item = wxTreeItemId(TreeView_GetSelection(GetHwnd()));
event.SetEventObject( this );
+ // Get the bounding rectangle for the item, including the non-text areas
+ wxRect ItemRect;
+ GetBoundingRect(event.m_item, ItemRect, false);
+ // If the point is inside the bounding rectangle, use it as the click position.
+ // This should be the case for WM_CONTEXTMENU as the result of a right-click
+ if (ItemRect.Inside(MenuPoint))
+ {
+ event.m_pointDrag = MenuPoint;
+ }
+ // Use the Explorer standard of putting the menu at the left edge of the text,
+ // in the vertical middle of the text. Should be the case for the "menu" key
+ else
+ {
+ // Use the bounding rectangle of only the text part
+ GetBoundingRect(event.m_item, ItemRect, true);
+ event.m_pointDrag = wxPoint(ItemRect.GetX(), ItemRect.GetY() + ItemRect.GetHeight() / 2);
+ }
+
if ( GetEventHandler()->ProcessEvent(event) )
processed = true;
//else: continue with generating wxEVT_CONTEXT_MENU in base class code
}
-#endif // WM_CONTEXTMENU
else if ( (nMsg >= WM_MOUSEFIRST) && (nMsg <= WM_MOUSELAST) )
{
// we only process mouse messages here and these parameters have the
y = GET_Y_LPARAM(lParam);
HTREEITEM htItem = GetItemFromPoint(GetHwnd(), x, y);
+ TV_HITTESTINFO tvht;
+ tvht.pt.x = x;
+ tvht.pt.y = y;
+
+ (void) TreeView_HitTest(GetHwnd(), &tvht);
+
switch ( nMsg )
{
case WM_RBUTTONDOWN:
#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();
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);
// avoid doing anything if we click on the only
// currently selected item
+ SetFocus();
+
wxArrayTreeItemIds selections;
size_t count = GetSelections(selections);
if ( count == 0 ||
count > 1 ||
- HITEM_PTR(selections[0]) != htItem )
+ 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))
- {
- ::SetFocus(GetHwnd(), htItem);
- }
- else
+ if (!IsItemSelected(GetHwnd(), htItem))
{
UnselectAll();
TreeView_SelectItem(GetHwnd(), 0);
::SelectItem(GetHwnd(), htItem);
}
+ ::SetFocus(GetHwnd(), htItem);
+ processed = true;
}
// reset on any click without Shift
#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 ) )
+ {
+ HWND pWnd = ::GetParent( GetHwnd() );
+ if ( pWnd )
+ {
+ NM_TREEVIEW 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;
+ ZeroMemory(&tviAux, sizeof(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;
+
+ ::SendMessage( pWnd, WM_NOTIFY, tv.hdr.idFrom, (LPARAM)&tv );
+ }
+ m_htClickedItem.Unset();
+ }
+ }
+#endif // __WXWINCE__
+
if ( m_dragImage )
{
m_dragImage->Move(wxPoint(x, y));
{
UnselectAll();
TreeView_SelectItem(GetHwnd(), htItem);
+ ::SelectItem(GetHwnd(), htItem);
+ ::SetFocus(GetHwnd(), htItem);
}
+ m_htClickedItem.Unset();
}
// fall through
{
// TreeView_GetItemRect() will return false if item is not visible,
// which may happen perfectly well
- if ( TreeView_GetItemRect(GetHwnd(), HITEM_PTR(selections[n]),
+ if ( TreeView_GetItemRect(GetHwnd(), HITEM(selections[n]),
&rect, TRUE) )
{
::InvalidateRect(GetHwnd(), &rect, FALSE);
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 )
+ switch ( wParam )
{
- m_htSelStart = htSel;
- }
-
- if ( wParam == VK_SPACE )
- {
- if ( bCtrl )
- {
- ::ToggleItemSelection(GetHwnd(), htSel);
- }
- else
- {
- UnselectAll();
-
- ::SelectItem(GetHwnd(), htSel);
- }
+ case VK_SPACE:
+ if ( bCtrl )
+ {
+ ::ToggleItemSelection(GetHwnd(), 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();
- processed = true;
- }
+ m_htSelStart.Unset();
+ }
}
}
#endif // !wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE
- else 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 )
- {
- processed = true;
- }
- }
else if ( nMsg == WM_COMMAND )
{
// if we receive a EN_KILLFOCUS command from the in-place edit control
if ( nMsg == WM_RBUTTONDOWN )
return 0;
+ // but because of the above we don't get NM_RCLICK which is normally
+ // generated by tree window proc when the modal loop mentioned above ends
+ // because the mouse is released -- synthesize it ourselves instead
+ if ( nMsg == WM_RBUTTONUP )
+ {
+ NMHDR hdr;
+ hdr.hwndFrom = GetHwnd();
+ hdr.idFrom = GetId();
+ hdr.code = NM_RCLICK;
+
+ WXLPARAM rc;
+ MSWOnNotify(GetId(), (LPARAM)&hdr, &rc);
+
+ // continue as usual
+ }
+
+ if ( nMsg == WM_CHAR )
+ {
+ // also 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;
+ }
+
return wxControl::MSWDefWindowProc(nMsg, wParam, lParam);
}
break;
}
+#ifdef TVN_GETINFOTIP
case TVN_GETINFOTIP:
{
eventType = wxEVT_COMMAND_TREE_ITEM_GETTOOLTIP;
break;
}
+#endif
#endif
case TVN_GETDISPINFO:
// fabricate the lParam and wParam parameters sufficiently
// similar to the ones from a "real" WM_KEYDOWN so that
// CreateKeyEvent() works correctly
- WXLPARAM lParam =
- (::GetKeyState(VK_MENU) < 0 ? KF_ALTDOWN : 0) << 16;
+ const bool isAltDown = ::GetKeyState(VK_MENU) < 0;
+ WXLPARAM lParam = (isAltDown ? KF_ALTDOWN : 0) << 16;
WXWPARAM wParam = info->wVKey;
wParam);
// a separate event for Space/Return
- if ( !wxIsCtrlDown() && !wxIsShiftDown() &&
+ if ( !wxIsCtrlDown() && !wxIsShiftDown() && !isAltDown &&
((info->wVKey == VK_SPACE) || (info->wVKey == VK_RETURN)) )
{
wxTreeEvent event2(wxEVT_COMMAND_TREE_ITEM_ACTIVATED,
break;
#ifndef __WXWINCE__
+#ifdef TVN_GETINFOTIP
case TVN_GETINFOTIP:
{
// If the user permitted a tooltip change, change it
}
}
break;
+#endif
#endif
case TVN_SELCHANGING:
return STATEIMAGEMASKTOINDEX(tvi.state);
}
-#if WXWIN_COMPATIBILITY_2_2
-
-wxTreeItemId wxTreeCtrl::GetParent(const wxTreeItemId& item) const
-{
- return GetItemParent( item );
-}
-
-#endif // WXWIN_COMPATIBILITY_2_2
-
#endif // wxUSE_TREECTRL
-