X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/7dac12efa723086f1de9bd2d496168587f736ce9..e75390d4aa51b46b9217dc4699267c1345893054:/src/msw/treectrl.cpp?ds=sidebyside diff --git a/src/msw/treectrl.cpp b/src/msw/treectrl.cpp index c33fade6f8..b408ac740d 100644 --- a/src/msw/treectrl.cpp +++ b/src/msw/treectrl.cpp @@ -431,7 +431,7 @@ public: break; default: - wxFAIL_MSG( _T("unsupported wxTreeItemIcon value") ); + wxFAIL_MSG( wxT("unsupported wxTreeItemIcon value") ); } } @@ -750,6 +750,7 @@ void wxTreeCtrl::Init() m_focusLost = true; m_changingSelection = false; m_triggerStateImageClick = false; + m_mouseUpDeselect = false; // initialize the global array of events now as it can't be done statically // with the wxEVT_XXX values being allocated during run-time only @@ -866,7 +867,7 @@ wxTreeCtrl::GetClassDefaultAttributes(wxWindowVariant variant) bool wxTreeCtrl::DoGetItem(wxTreeViewItem *tvItem) const { wxCHECK_MSG( tvItem->hItem != TVI_ROOT, false, - _T("can't retrieve virtual root item") ); + wxT("can't retrieve virtual root item") ); if ( !TreeView_GetItem(GetHwnd(), tvItem) ) { @@ -1354,6 +1355,11 @@ wxTreeItemId wxTreeCtrl::GetSelection() const wxCHECK_MSG( !HasFlag(wxTR_MULTIPLE), wxTreeItemId(), wxT("this only works with single selection controls") ); + return GetFocusedItem(); +} + +wxTreeItemId wxTreeCtrl::GetFocusedItem() const +{ return wxTreeItemId(TreeView_GetSelection(GetHwnd())); } @@ -1498,7 +1504,7 @@ wxTreeItemId wxTreeCtrl::DoInsertAfter(const wxTreeItemId& parent, { wxCHECK_MSG( parent.IsOk() || !TreeView_GetRoot(GetHwnd()), wxTreeItemId(), - _T("can't have more than one root in the tree") ); + wxT("can't have more than one root in the tree") ); TV_INSERTSTRUCT tvIns; tvIns.hParent = HITEM(parent); @@ -1579,7 +1585,7 @@ wxTreeItemId wxTreeCtrl::AddRoot(const wxString& text, { if ( HasFlag(wxTR_HIDE_ROOT) ) { - wxASSERT_MSG( !m_pVirtualRoot, _T("tree can have only a single root") ); + wxASSERT_MSG( !m_pVirtualRoot, wxT("tree can have only a single root") ); // create a virtual root item, the parent for all the others wxTreeItemParam *param = new wxTreeItemParam; @@ -1620,7 +1626,7 @@ wxTreeItemId wxTreeCtrl::DoInsertItem(const wxTreeItemId& parent, // 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") ); + wxASSERT_MSG( index == 0, wxT("bad index in wxTreeCtrl::InsertItem") ); } return DoInsertAfter(parent, idPrev, text, image, selectedImage, data); @@ -1876,10 +1882,11 @@ void wxTreeCtrl::DoSelectItem(const wxTreeItemId& item, bool select) void wxTreeCtrl::SelectItem(const wxTreeItemId& item, bool select) { - wxCHECK_RET( !IsHiddenRoot(item), _T("can't select hidden root item") ); + wxCHECK_RET( !IsHiddenRoot(item), wxT("can't select hidden root item") ); - if ( IsSelected(item) == select ) + if ( select == IsSelected(item) ) { + // nothing to do, the item is already in the requested state return; } @@ -1902,20 +1909,31 @@ void wxTreeCtrl::SelectItem(const wxTreeItemId& item, bool select) (void)HandleTreeEvent(changedEvent); } } - else + else // single selection { - wxASSERT_MSG( select, - _T("SelectItem(false) works only for multiselect") ); + wxTreeItemId itemOld, itemNew; + if ( select ) + { + itemOld = GetSelection(); + itemNew = item; + } + else // deselecting the currently selected item + { + itemOld = item; + // leave itemNew invalid + } // in spite 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 - wxTreeEvent changingEvent(wxEVT_COMMAND_TREE_SEL_CHANGING, this, item); + wxTreeEvent + changingEvent(wxEVT_COMMAND_TREE_SEL_CHANGING, this, itemNew); + changingEvent.SetOldItem(itemOld); if ( IsTreeEventAllowed(changingEvent) ) { - if ( !TreeView_SelectItem(GetHwnd(), HITEM(item)) ) + if ( !TreeView_SelectItem(GetHwnd(), HITEM(itemNew)) ) { wxLogLastError(wxT("TreeView_SelectItem")); } @@ -1924,7 +1942,8 @@ void wxTreeCtrl::SelectItem(const wxTreeItemId& item, bool select) SetFocusedItem(item); wxTreeEvent changedEvent(wxEVT_COMMAND_TREE_SEL_CHANGED, - this, item); + this, itemNew); + changedEvent.SetOldItem(itemOld); (void)HandleTreeEvent(changedEvent); } } @@ -1934,7 +1953,7 @@ void wxTreeCtrl::SelectItem(const wxTreeItemId& item, bool select) void wxTreeCtrl::EnsureVisible(const wxTreeItemId& item) { - wxCHECK_RET( !IsHiddenRoot(item), _T("can't show hidden root item") ); + wxCHECK_RET( !IsHiddenRoot(item), wxT("can't show hidden root item") ); // no error return TreeView_EnsureVisible(GetHwnd(), HITEM(item)); @@ -2699,9 +2718,17 @@ wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) if ( !(tvht.flags & TVHT_ONITEM) ) { - if ( !HandleMouseEvent(nMsg, x, y, wParam) ) + if ( tvht.flags & TVHT_ONITEMBUTTON ) { - if ( tvht.flags & TVHT_ONITEMBUTTON ) + // either it's going to be handled by user code or + // we're going to use it ourselves to toggle the + // branch, in either case don't pass it to the base + // class which would generate another mouse click event + // for it even though it's already handled here + processed = true; + SetFocus(); + + if ( !HandleMouseEvent(nMsg, x, y, wParam) ) { if ( !IsExpanded(htItem) ) { @@ -2712,8 +2739,6 @@ wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) Collapse(htItem); } } - - processed = true; } m_focusLost = false; @@ -2852,6 +2877,7 @@ wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) else { SetFocusedItem(wxTreeItemId(htItem)); + m_mouseUpDeselect = true; } } else // click on a single selected item @@ -3001,16 +3027,13 @@ wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) case WM_LBUTTONUP: if ( isMultiple ) { - // deselect other items if multiple items selected + // deselect other items if needed if ( htItem ) { - wxArrayTreeItemIds selections; - size_t count = GetSelections(selections); - - if ( count > 1 && - !(wParam & MK_CONTROL) && - !(wParam & MK_SHIFT) ) + if ( m_mouseUpDeselect ) { + m_mouseUpDeselect = false; + wxTreeEvent changingEvent(wxEVT_COMMAND_TREE_SEL_CHANGING, this, htItem); changingEvent.m_itemOld = htOldItem; @@ -3372,7 +3395,6 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) return MSWHandleTreeKeyDownEvent( info->wVKey, (wxIsAltDown() ? KF_ALTDOWN : 0) << 16); } - break; // Vista's tree control has introduced some problems with our @@ -3482,7 +3504,7 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) if ( !loaded ) { - wxLoadedDLL dllComCtl32(_T("comctl32.dll")); + wxLoadedDLL dllComCtl32(wxT("comctl32.dll")); if ( dllComCtl32.IsLoaded() ) wxDL_INIT_FUNC(s_pfn, ImageList_Copy, dllComCtl32); } @@ -3684,7 +3706,7 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) { // normally this is impossible because the m_dragImage is // deleted once the drag operation is over - wxASSERT_MSG( !m_dragImage, _T("starting to drag once again?") ); + wxASSERT_MSG( !m_dragImage, wxT("starting to drag once again?") ); m_dragImage = new wxDragImage(*this, event.m_item); m_dragImage->BeginDrag(wxPoint(0,0), this);