X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/afff720b28d92364a9d88e214deddf831a60c1c2..f80eabe5a2a9922c2c73d44b4037a2de8fffdf87:/src/msw/treectrl.cpp?ds=sidebyside diff --git a/src/msw/treectrl.cpp b/src/msw/treectrl.cpp index 63f54e57d3..f42d35f685 100644 --- a/src/msw/treectrl.cpp +++ b/src/msw/treectrl.cpp @@ -29,6 +29,9 @@ #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 @@ -43,9 +46,8 @@ #include "wx/log.h" #include "wx/dynarray.h" #include "wx/imaglist.h" -#include "wx/treectrl.h" #include "wx/settings.h" - +#include "wx/msw/treectrl.h" #include "wx/msw/dragimag.h" #ifdef __GNUWIN32_OLD__ @@ -86,9 +88,6 @@ // looks quite ugly. #define wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE 0 -// from msw/window.cpp -extern bool wxIsShiftDown(); -extern bool wxIsCtrlDown(); // ---------------------------------------------------------------------------- // private functions @@ -101,7 +100,6 @@ static HTREEITEM GetItemFromPoint(HWND hwndTV, int x, int y) tvht.pt.x = x; tvht.pt.y = y; - // TreeView_HitTest() doesn't do the right cast in mingw32 headers return (HTREEITEM)TreeView_HitTest(hwndTV, &tvht); } @@ -117,7 +115,7 @@ static bool IsItemSelected(HWND hwndTV, HTREEITEM hItem) if ( !TreeView_GetItem(hwndTV, &tvi) ) { - wxLogLastError("TreeView_GetItem"); + wxLogLastError(wxT("TreeView_GetItem")); } return (tvi.state & TVIS_SELECTED) != 0; @@ -133,7 +131,7 @@ static void SelectItem(HWND hwndTV, HTREEITEM hItem, bool select = TRUE) if ( TreeView_SetItem(hwndTV, &tvi) == -1 ) { - wxLogLastError("TreeView_SetItem"); + wxLogLastError(wxT("TreeView_SetItem")); } } @@ -156,7 +154,7 @@ static void SelectRange(HWND hwndTV, { // find the first (or last) item and select it bool cont = TRUE; - HTREEITEM htItem = TreeView_GetRoot(hwndTV); + HTREEITEM htItem = (HTREEITEM)TreeView_GetRoot(hwndTV); while ( htItem && cont ) { if ( (htItem == htFirst) || (htItem == htLast) ) @@ -176,7 +174,7 @@ static void SelectRange(HWND hwndTV, } } - htItem = TreeView_GetNextVisible(hwndTV, htItem); + htItem = (HTREEITEM)TreeView_GetNextVisible(hwndTV, htItem); } // select the items in range @@ -190,7 +188,7 @@ static void SelectRange(HWND hwndTV, cont = (htItem != htFirst) && (htItem != htLast); - htItem = TreeView_GetNextVisible(hwndTV, htItem); + htItem = (HTREEITEM)TreeView_GetNextVisible(hwndTV, htItem); } // unselect the rest @@ -203,7 +201,7 @@ static void SelectRange(HWND hwndTV, UnselectItem(hwndTV, htItem); } - htItem = TreeView_GetNextVisible(hwndTV, htItem); + htItem = (HTREEITEM)TreeView_GetNextVisible(hwndTV, htItem); } } @@ -218,7 +216,7 @@ static void SelectRange(HWND hwndTV, static void SetFocus(HWND hwndTV, HTREEITEM htItem) { // the current focus - HTREEITEM htFocus = TreeView_GetSelection(hwndTV); + HTREEITEM htFocus = (HTREEITEM)TreeView_GetSelection(hwndTV); if ( htItem ) { @@ -371,7 +369,7 @@ public: DoTraverse(root, recursively); } - virtual bool OnVisit(const wxTreeItemId& item) + virtual bool OnVisit(const wxTreeItemId& WXUNUSED(item)) { m_count++; @@ -451,7 +449,7 @@ IMPLEMENT_DYNAMIC_CLASS(wxTreeCtrl, wxControl) // ---------------------------------------------------------------------------- // handy table for sending events -static const wxEventType g_events[2][2] = +static wxEventType g_events[2][2] = { { wxEVT_COMMAND_TREE_ITEM_COLLAPSED, wxEVT_COMMAND_TREE_ITEM_COLLAPSING }, { wxEVT_COMMAND_TREE_ITEM_EXPANDED, wxEVT_COMMAND_TREE_ITEM_EXPANDING } @@ -500,11 +498,19 @@ void wxTreeCtrl::Init() { m_imageListNormal = NULL; m_imageListState = NULL; + m_ownsImageListNormal = m_ownsImageListState = FALSE; m_textCtrl = NULL; m_hasAnyAttr = FALSE; m_dragImage = NULL; - m_htSelStart = 0; + + // Initialize static array of events, because with the new event system, + // they may not be initialized yet. + + g_events[0][0] = wxEVT_COMMAND_TREE_ITEM_COLLAPSED; + g_events[0][1] = wxEVT_COMMAND_TREE_ITEM_COLLAPSING; + g_events[1][0] = wxEVT_COMMAND_TREE_ITEM_EXPANDED; + g_events[1][1] = wxEVT_COMMAND_TREE_ITEM_EXPANDING; } bool wxTreeCtrl::Create(wxWindow *parent, @@ -521,8 +527,13 @@ bool wxTreeCtrl::Create(wxWindow *parent, return FALSE; DWORD wstyle = WS_VISIBLE | WS_CHILD | WS_TABSTOP | - TVS_HASLINES | TVS_SHOWSELALWAYS; + TVS_SHOWSELALWAYS; + + if ( m_windowStyle & wxCLIP_SIBLINGS ) + wstyle |= WS_CLIPSIBLINGS; + if ((m_windowStyle & wxTR_NO_LINES) == 0) + wstyle |= TVS_HASLINES; if ( m_windowStyle & wxTR_HAS_BUTTONS ) wstyle |= TVS_HASBUTTONS; @@ -550,8 +561,23 @@ bool wxTreeCtrl::Create(wxWindow *parent, if ( !MSWCreateControl(WC_TREEVIEW, wstyle) ) return FALSE; +#if wxUSE_COMCTL32_SAFELY + wxWindow::SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW)); + wxWindow::SetForegroundColour(wxWindow::GetParent()->GetForegroundColour()); +#elif 1 SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW)); SetForegroundColour(wxWindow::GetParent()->GetForegroundColour()); +#else + // This works around a bug in the Windows tree control whereby for some versions + // of comctrl32, setting any colour actually draws the background in black. + // This will initialise the background to the system colour. + // THIS FIX NOW REVERTED since it caused problems on _other_ systems. + // Assume the user has an updated comctl32.dll. + ::SendMessage(GetHwnd(), TVM_SETBKCOLOR, 0,-1); + wxWindow::SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW)); + SetForegroundColour(wxWindow::GetParent()->GetForegroundColour()); +#endif + // VZ: this is some experimental code which may be used to get the // TVS_CHECKBOXES style functionality for comctl32.dll < 4.71. @@ -627,6 +653,9 @@ wxTreeCtrl::~wxTreeCtrl() // delete user data to prevent memory leaks DeleteAllItems(); + + if (m_ownsImageListNormal) delete m_imageListNormal; + if (m_ownsImageListState) delete m_imageListState; } // ---------------------------------------------------------------------------- @@ -639,7 +668,7 @@ bool wxTreeCtrl::DoGetItem(wxTreeViewItem* tvItem) const { if ( !TreeView_GetItem(GetHwnd(), tvItem) ) { - wxLogLastError("TreeView_GetItem"); + wxLogLastError(wxT("TreeView_GetItem")); return FALSE; } @@ -651,7 +680,7 @@ void wxTreeCtrl::DoSetItem(wxTreeViewItem* tvItem) { if ( TreeView_SetItem(GetHwnd(), tvItem) == -1 ) { - wxLogLastError("TreeView_SetItem"); + wxLogLastError(wxT("TreeView_SetItem")); } } @@ -690,12 +719,28 @@ void wxTreeCtrl::SetAnyImageList(wxImageList *imageList, int which) void wxTreeCtrl::SetImageList(wxImageList *imageList) { + if (m_ownsImageListNormal) delete m_imageListNormal; SetAnyImageList(m_imageListNormal = imageList, TVSIL_NORMAL); + 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; } size_t wxTreeCtrl::GetChildrenCount(const wxTreeItemId& item, @@ -712,20 +757,24 @@ size_t wxTreeCtrl::GetChildrenCount(const wxTreeItemId& item, bool wxTreeCtrl::SetBackgroundColour(const wxColour &colour) { +#if !wxUSE_COMCTL32_SAFELY if ( !wxWindowBase::SetBackgroundColour(colour) ) return FALSE; SendMessage(GetHwnd(), TVM_SETBKCOLOR, 0, colour.GetPixel()); +#endif return TRUE; } bool wxTreeCtrl::SetForegroundColour(const wxColour &colour) { +#if !wxUSE_COMCTL32_SAFELY if ( !wxWindowBase::SetForegroundColour(colour) ) return FALSE; SendMessage(GetHwnd(), TVM_SETTEXTCOLOR, 0, colour.GetPixel()); +#endif return TRUE; } @@ -913,6 +962,12 @@ wxTreeItemData *wxTreeCtrl::GetItemData(const wxTreeItemId& item) const 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, TVIF_PARAM); if ( HasIndirectData(item) ) @@ -1084,7 +1139,7 @@ wxTreeItemId wxTreeCtrl::GetRootItem() const wxTreeItemId wxTreeCtrl::GetSelection() const { - wxCHECK_MSG( !(m_windowStyle & wxTR_MULTIPLE), (WXHTREEITEM)0, + wxCHECK_MSG( !(m_windowStyle & wxTR_MULTIPLE), (long)(WXHTREEITEM)0, wxT("this only works with single selection controls") ); return wxTreeItemId((WXHTREEITEM) TreeView_GetSelection(GetHwnd())); @@ -1147,16 +1202,14 @@ wxTreeItemId wxTreeCtrl::GetFirstVisibleItem() const wxTreeItemId wxTreeCtrl::GetNextVisible(const wxTreeItemId& item) const { - wxASSERT_MSG( IsVisible(item), wxT("The item you call GetNextVisible() " - "for must be visible itself!")); + wxASSERT_MSG( IsVisible(item), wxT("The item you call GetNextVisible() for must be visible itself!")); return wxTreeItemId((WXHTREEITEM) TreeView_GetNextVisible(GetHwnd(), HITEM(item))); } wxTreeItemId wxTreeCtrl::GetPrevVisible(const wxTreeItemId& item) const { - wxASSERT_MSG( IsVisible(item), wxT("The item you call GetPrevVisible() " - "for must be visible itself!")); + wxASSERT_MSG( IsVisible(item), wxT("The item you call GetPrevVisible() for must be visible itself!")); return wxTreeItemId((WXHTREEITEM) TreeView_GetPrevVisible(GetHwnd(), HITEM(item))); } @@ -1203,6 +1256,10 @@ wxTreeItemId wxTreeCtrl::DoInsertItem(const wxTreeItemId& parent, int image, int selectedImage, wxTreeItemData *data) { + wxCHECK_MSG( parent.IsOk() || !TreeView_GetRoot(GetHwnd()), + wxTreeItemId(), + _T("can't have more than one root in the tree") ); + TV_INSERTSTRUCT tvIns; tvIns.hParent = HITEM(parent); tvIns.hInsertAfter = HITEM(hInsertAfter); @@ -1220,6 +1277,11 @@ wxTreeItemId wxTreeCtrl::DoInsertItem(const wxTreeItemId& parent, mask |= TVIF_TEXT; tvIns.item.pszText = (wxChar *)text.c_str(); // cast is ok } + else + { + tvIns.item.pszText = NULL; + tvIns.item.cchTextMax = 0; + } if ( image != -1 ) { @@ -1250,7 +1312,7 @@ wxTreeItemId wxTreeCtrl::DoInsertItem(const wxTreeItemId& parent, HTREEITEM id = (HTREEITEM) TreeView_InsertItem(GetHwnd(), &tvIns); if ( id == 0 ) { - wxLogLastError("TreeView_InsertItem"); + wxLogLastError(wxT("TreeView_InsertItem")); } if ( data != NULL ) @@ -1276,7 +1338,7 @@ wxTreeItemId wxTreeCtrl::AddRoot(const wxString& text, int image, int selectedImage, wxTreeItemData *data) { - return DoInsertItem(wxTreeItemId((WXHTREEITEM) 0), (WXHTREEITEM) 0, + return DoInsertItem(wxTreeItemId((long) (WXHTREEITEM) 0), (long)(WXHTREEITEM) 0, text, image, selectedImage, data); } @@ -1335,7 +1397,7 @@ void wxTreeCtrl::Delete(const wxTreeItemId& item) { if ( !TreeView_DeleteItem(GetHwnd(), HITEM(item)) ) { - wxLogLastError("TreeView_DeleteItem"); + wxLogLastError(wxT("TreeView_DeleteItem")); } } @@ -1358,7 +1420,7 @@ void wxTreeCtrl::DeleteChildren(const wxTreeItemId& item) { if ( !TreeView_DeleteItem(GetHwnd(), (HTREEITEM)children[n]) ) { - wxLogLastError("TreeView_DeleteItem"); + wxLogLastError(wxT("TreeView_DeleteItem")); } } } @@ -1367,7 +1429,7 @@ void wxTreeCtrl::DeleteAllItems() { if ( !TreeView_DeleteAllItems(GetHwnd()) ) { - wxLogLastError("TreeView_DeleteAllItems"); + wxLogLastError(wxT("TreeView_DeleteAllItems")); } } @@ -1441,7 +1503,7 @@ void wxTreeCtrl::Unselect() wxT("doesn't make sense, may be you want UnselectAll()?") ); // just remove the selection - SelectItem(wxTreeItemId((WXHTREEITEM) 0)); + SelectItem(wxTreeItemId((long) (WXHTREEITEM) 0)); } void wxTreeCtrl::UnselectAll() @@ -1492,7 +1554,7 @@ void wxTreeCtrl::SelectItem(const wxTreeItemId& item) { if ( !TreeView_SelectItem(GetHwnd(), HITEM(item)) ) { - wxLogLastError("TreeView_SelectItem"); + wxLogLastError(wxT("TreeView_SelectItem")); } else { @@ -1514,7 +1576,7 @@ void wxTreeCtrl::ScrollTo(const wxTreeItemId& item) { if ( !TreeView_SelectSetFirstVisible(GetHwnd(), HITEM(item)) ) { - wxLogLastError("TreeView_SelectSetFirstVisible"); + wxLogLastError(wxT("TreeView_SelectSetFirstVisible")); } } @@ -1545,6 +1607,14 @@ void wxTreeCtrl::DeleteTextCtrl() { if ( m_textCtrl ) { + // the HWND corresponding to this control is deleted by the tree + // control itself and we don't know when exactly this happens, so check + // if the window still exists before calling UnsubclassWin() + if ( !::IsWindow(GetHwndOf(m_textCtrl)) ) + { + m_textCtrl->SetHWND(0); + } + m_textCtrl->UnsubclassWin(); m_textCtrl->SetHWND(0); delete m_textCtrl; @@ -1576,7 +1646,7 @@ wxTextCtrl* wxTreeCtrl::EditLabel(const wxTreeItemId& item, } // End label editing, optionally cancelling the edit -void wxTreeCtrl::EndEditLabel(const wxTreeItemId& item, bool discardChanges) +void wxTreeCtrl::EndEditLabel(const wxTreeItemId& WXUNUSED(item), bool discardChanges) { TreeView_EndEditLabelNow(GetHwnd(), discardChanges); @@ -1842,7 +1912,7 @@ long wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) // we handle.arrows and space, but not page up/down and home/end: the // latter should be easy, but not the former - HTREEITEM htSel = TreeView_GetSelection(GetHwnd()); + HTREEITEM htSel = (HTREEITEM)TreeView_GetSelection(GetHwnd()); if ( !m_htSelStart ) { m_htSelStart = (WXHTREEITEM)htSel; @@ -1875,9 +1945,9 @@ long wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) { (void)wxControl::MSWWindowProc(nMsg, wParam, lParam); - HTREEITEM htNext = - wParam == VK_UP ? TreeView_GetPrevVisible(GetHwnd(), htSel) - : TreeView_GetNextVisible(GetHwnd(), htSel); + HTREEITEM htNext = (HTREEITEM)(wParam == VK_UP + ? TreeView_GetPrevVisible(GetHwnd(), htSel) + : TreeView_GetNextVisible(GetHwnd(), htSel)); if ( !htNext ) { @@ -1916,25 +1986,6 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) switch ( hdr->code ) { - case NM_RCLICK: - { - if ( wxControl::MSWOnNotify(idCtrl, lParam, result) ) - return TRUE; - - TV_HITTESTINFO tvhti; - ::GetCursorPos(&(tvhti.pt)); - ::ScreenToClient(GetHwnd(),&(tvhti.pt)); - if ( TreeView_HitTest(GetHwnd(),&tvhti) ) - { - if( tvhti.flags & TVHT_ONITEM ) - { - event.m_item = (WXHTREEITEM) tvhti.hItem; - eventType = wxEVT_COMMAND_TREE_ITEM_RIGHT_CLICK; - } - } - } - break; - case TVN_BEGINDRAG: eventType = wxEVT_COMMAND_TREE_BEGIN_DRAG; // fall through @@ -2030,8 +2081,7 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) break; default: - wxLogDebug(wxT("unexpected code %d in TVN_ITEMEXPAND " - "message"), tv->action); + wxLogDebug(wxT("unexpected code %d in TVN_ITEMEXPAND message"), tv->action); } bool ing = ((int)hdr->code == TVN_ITEMEXPANDING); @@ -2083,7 +2133,7 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) } break; -#if defined(_WIN32_IE) && _WIN32_IE >= 0x300 +#if defined(_WIN32_IE) && _WIN32_IE >= 0x300 && !wxUSE_COMCTL32_SAFELY case NM_CUSTOMDRAW: { LPNMTVCUSTOMDRAW lptvcd = (LPNMTVCUSTOMDRAW)lParam; @@ -2177,9 +2227,33 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) return TRUE; } } - break; +// break; // can never be reached #endif // _WIN32_IE >= 0x300 + case NM_DBLCLK: + case NM_RCLICK: + { + TV_HITTESTINFO tvhti; + ::GetCursorPos(&tvhti.pt); + ::ScreenToClient(GetHwnd(), &tvhti.pt); + if ( TreeView_HitTest(GetHwnd(), &tvhti) ) + { + if ( tvhti.flags & TVHT_ONITEM ) + { + event.m_item = (WXHTREEITEM) tvhti.hItem; + eventType = (int)hdr->code == NM_DBLCLK + ? wxEVT_COMMAND_TREE_ITEM_ACTIVATED + : wxEVT_COMMAND_TREE_ITEM_RIGHT_CLICK; + + event.m_pointDrag.x = tvhti.pt.x; + event.m_pointDrag.y = tvhti.pt.y; + } + + break; + } + } + // fall through + default: return wxControl::MSWOnNotify(idCtrl, lParam, result); } @@ -2192,6 +2266,14 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) // post processing switch ( hdr->code ) { + case NM_DBLCLK: + // we translate NM_DBLCLK into ACTIVATED event, so don't interpret + // 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; + break; + case TVN_BEGINDRAG: case TVN_BEGINRDRAG: if ( event.IsAllowed() ) @@ -2222,6 +2304,11 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) delete data; // can't be NULL here m_itemsWithIndirectData.Remove(item); +#if 0 + int iIndex = m_itemsWithIndirectData.Index(item); + wxASSERT( iIndex != wxNOT_FOUND) ; + m_itemsWithIndirectData.wxBaseArray::RemoveAt((size_t)iIndex); +#endif } else { @@ -2239,8 +2326,12 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) break; case TVN_ENDLABELEDIT: - // return TRUE to set the label to the new string + // 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 + // cancelling the label change *result = event.IsAllowed(); + processed = TRUE; // ensure that we don't have the text ctrl which is going to be // deleted any more @@ -2256,7 +2347,7 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) 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 && */ 1 ) { wxTreeItemId item = event.m_item; TV_DISPINFO *info = (TV_DISPINFO *)lParam; @@ -2280,7 +2371,7 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) : wxTreeItemIcon_Selected ); } - } + } break; //default: @@ -2291,18 +2382,5 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) return processed; } -// ---------------------------------------------------------------------------- -// Tree event -// ---------------------------------------------------------------------------- - -IMPLEMENT_DYNAMIC_CLASS(wxTreeEvent, wxNotifyEvent) - -wxTreeEvent::wxTreeEvent(wxEventType commandType, int id) - : wxNotifyEvent(commandType, id) -{ - m_code = 0; - m_itemOld = 0; -} - #endif // __WIN95__