X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f2fec40d2c3533e112e6d673fb113b77e65bfd66..80e2b031822ee2f6173f163b13d473283d1e4b38:/src/msw/treectrl.cpp diff --git a/src/msw/treectrl.cpp b/src/msw/treectrl.cpp index f90ba117d3..d7aebb80d6 100644 --- a/src/msw/treectrl.cpp +++ b/src/msw/treectrl.cpp @@ -40,12 +40,9 @@ #include "wx/dynlib.h" #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 - #include "wx/imaglist.h" #include "wx/msw/dragimag.h" +#include "wx/msw/uxtheme.h" // macros to hide the cast ugliness // -------------------------------- @@ -80,7 +77,7 @@ typedef struct tagNMTVITEMCHANGE // The vista tree control includes some new code that originally broke the // multi-selection tree, causing seemingly spurious item selection state changes // during Shift or Ctrl-click item selection. (To witness the original broken -// behavior, simply make IsLocked() below always return false). This problem was +// behaviour, simply make IsLocked() below always return false). This problem was // solved by using the following class to 'unlock' an item's selection state. class TreeItemUnlocker @@ -601,72 +598,6 @@ private: // wxWin macros // ---------------------------------------------------------------------------- -#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) - -wxEND_FLAGS( wxTreeCtrlStyle ) - -IMPLEMENT_DYNAMIC_CLASS_XTI(wxTreeCtrl, wxControl,"wx/treectrl.h") - -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() - -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 // ---------------------------------------------------------------------------- @@ -750,6 +681,7 @@ 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 @@ -805,25 +737,25 @@ bool wxTreeCtrl::Create(wxWindow *parent, if ( !MSWCreateControl(WC_TREEVIEW, wstyle, pos, size) ) return false; -#if wxUSE_COMCTL32_SAFELY - wxWindow::SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW)); - wxWindow::SetForegroundColour(wxWindow::GetParent()->GetForegroundColour()); -#elif 1 SetBackgroundColour(wxSystemSettings::GetColour(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::GetColour(wxSYS_COLOUR_WINDOW)); - SetForegroundColour(wxWindow::GetParent()->GetForegroundColour()); -#endif wxSetCCUnicodeFormat(GetHwnd()); + if ( m_windowStyle & wxTR_TWIST_BUTTONS ) + { + // Under Vista and later Explorer uses rotating ("twist") buttons + // instead of the default "+/-" ones so apply its theme to the tree + // control to implement this style. + if ( wxGetWinVersion() >= wxWinVersion_Vista ) + { + if ( wxUxThemeEngine *theme = wxUxThemeEngine::GetIfActive() ) + { + theme->SetWindowTheme(GetHwnd(), L"EXPLORER", NULL); + } + } + } + return true; } @@ -942,24 +874,20 @@ 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; } @@ -1666,6 +1594,12 @@ void wxTreeCtrl::Delete(const wxTreeItemId& item) return; } + if ( item == m_htSelStart ) + m_htSelStart.Unset(); + + if ( item == m_htClickedItem ) + m_htClickedItem.Unset(); + if ( next.IsOk() ) { wxTreeEvent changingEvent(wxEVT_COMMAND_TREE_SEL_CHANGING, this, next); @@ -1720,6 +1654,10 @@ void wxTreeCtrl::DeleteAllItems() // unlock tree selections on vista for the duration of this call TreeItemUnlocker unlock_all; + // invalidate all the items we store as they're going to become invalid + m_htSelStart = + m_htClickedItem = wxTreeItemId(); + // delete the "virtual" root item. if ( GET_VIRTUAL_ROOT() ) { @@ -1872,6 +1810,39 @@ void wxTreeCtrl::UnselectAll() } } +void wxTreeCtrl::DoSelectChildren(const wxTreeItemId& parent) +{ + DoUnselectAll(); + + wxTreeItemIdValue cookie; + wxTreeItemId child = GetFirstChild(parent, cookie); + while ( child.IsOk() ) + { + DoSelectItem(child, true); + child = GetNextChild(child, cookie); + } +} + +void wxTreeCtrl::SelectChildren(const wxTreeItemId& parent) +{ + wxCHECK_RET( HasFlag(wxTR_MULTIPLE), + "this only works with multiple selection controls" ); + + HTREEITEM htFocus = (HTREEITEM)TreeView_GetSelection(GetHwnd()); + + wxTreeEvent changingEvent(wxEVT_COMMAND_TREE_SEL_CHANGING, this); + changingEvent.m_itemOld = htFocus; + + if ( IsTreeEventAllowed(changingEvent) ) + { + DoSelectChildren(parent); + + wxTreeEvent changedEvent(wxEVT_COMMAND_TREE_SEL_CHANGED, this); + changedEvent.m_itemOld = htFocus; + (void)HandleTreeEvent(changedEvent); + } +} + void wxTreeCtrl::DoSelectItem(const wxTreeItemId& item, bool select) { TempSetter set(m_changingSelection); @@ -1922,23 +1893,25 @@ void wxTreeCtrl::SelectItem(const wxTreeItemId& item, bool select) // 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 - + // Recent versions of comctl32.dll send TVN_SELCHANG{ED,ING} events + // when we call TreeView_SelectItem() but apparently some old ones did + // not so send the events ourselves and ignore those generated by + // TreeView_SelectItem() if m_changingSelection is set. wxTreeEvent changingEvent(wxEVT_COMMAND_TREE_SEL_CHANGING, this, itemNew); changingEvent.SetOldItem(itemOld); if ( IsTreeEventAllowed(changingEvent) ) { + TempSetter set(m_changingSelection); + if ( !TreeView_SelectItem(GetHwnd(), HITEM(itemNew)) ) { wxLogLastError(wxT("TreeView_SelectItem")); } else // ok { - SetFocusedItem(item); + ::SetFocus(GetHwnd(), HITEM(item)); wxTreeEvent changedEvent(wxEVT_COMMAND_TREE_SEL_CHANGED, this, itemNew); @@ -1985,8 +1958,7 @@ void wxTreeCtrl::DeleteTextCtrl() m_textCtrl->UnsubclassWin(); m_textCtrl->SetHWND(0); - delete m_textCtrl; - m_textCtrl = NULL; + wxDELETE(m_textCtrl); m_idEdited.Unset(); } @@ -2007,8 +1979,7 @@ wxTextCtrl *wxTreeCtrl::EditLabel(const wxTreeItemId& item, // returned false if ( !hWnd ) { - delete m_textCtrl; - m_textCtrl = NULL; + wxDELETE(m_textCtrl); return NULL; } @@ -2093,6 +2064,8 @@ void wxTreeCtrl::ClearFocusedItem() void wxTreeCtrl::SetFocusedItem(const wxTreeItemId& item) { + wxCHECK_RET( item.IsOk(), wxT("invalid tree item") ); + TempSetter set(m_changingSelection); ::SetFocus(GetHwnd(), HITEM(item)); @@ -2214,6 +2187,15 @@ bool wxTreeCtrl::MSWCommand(WXUINT cmd, WXWORD id_) return true; } +bool wxTreeCtrl::MSWIsOnItem(unsigned flags) const +{ + unsigned mask = TVHT_ONITEM; + if ( HasFlag(wxTR_FULL_ROW_HIGHLIGHT) ) + mask |= TVHT_ONITEMINDENT | TVHT_ONITEMRIGHT; + + return (flags & mask) != 0; +} + bool wxTreeCtrl::MSWHandleSelectionKey(unsigned vkey) { const bool bCtrl = wxIsCtrlDown(); @@ -2602,18 +2584,7 @@ bool wxTreeCtrl::MSWHandleSelectionKey(unsigned vkey) bool wxTreeCtrl::MSWHandleTreeKeyDownEvent(WXWPARAM wParam, WXLPARAM lParam) { wxTreeEvent keyEvent(wxEVT_COMMAND_TREE_KEY_DOWN, this); - - int keyCode = wxCharCodeMSWToWX(wParam); - - if ( !keyCode ) - { - // wxCharCodeMSWToWX() returns 0 to indicate that this is a - // simple ASCII key - keyCode = wParam; - } - - keyEvent.m_evtKey = CreateKeyEvent(wxEVT_KEY_DOWN, keyCode, - lParam, wParam); + keyEvent.m_evtKey = CreateKeyEvent(wxEVT_KEY_DOWN, wParam, lParam); bool processed = HandleTreeEvent(keyEvent); @@ -2685,13 +2656,16 @@ wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) } // create the event - wxTreeEvent event(wxEVT_COMMAND_TREE_ITEM_MENU, this, item); + if ( item.IsOk() ) + { + wxTreeEvent event(wxEVT_COMMAND_TREE_ITEM_MENU, this, item); - event.m_pointDrag = pt; + event.m_pointDrag = pt; - if ( HandleTreeEvent(event) ) - processed = true; - //else: continue with generating wxEVT_CONTEXT_MENU in base class code + if ( HandleTreeEvent(event) ) + processed = true; + //else: continue with generating wxEVT_CONTEXT_MENU in base class code + } } else if ( (nMsg >= WM_MOUSEFIRST) && (nMsg <= WM_MOUSELAST) ) { @@ -2715,7 +2689,7 @@ wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) m_htClickedItem.Unset(); - if ( !(tvht.flags & TVHT_ONITEM) ) + if ( !MSWIsOnItem(tvht.flags) ) { if ( tvht.flags & TVHT_ONITEMBUTTON ) { @@ -2876,6 +2850,7 @@ wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) else { SetFocusedItem(wxTreeItemId(htItem)); + m_mouseUpDeselect = true; } } else // click on a single selected item @@ -3025,16 +3000,13 @@ 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; @@ -3068,10 +3040,7 @@ wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) } } - if ( !m_dragStarted && - (tvht.flags & TVHT_ONITEMSTATEICON || - tvht.flags & TVHT_ONITEMICON || - tvht.flags & TVHT_ONITEM) ) + if ( !m_dragStarted && MSWIsOnItem(tvht.flags) ) { processed = true; } @@ -3084,8 +3053,7 @@ wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) if ( m_dragImage ) { m_dragImage->EndDrag(); - delete m_dragImage; - m_dragImage = NULL; + wxDELETE(m_dragImage); // generate the drag end event wxTreeEvent event(wxEVT_COMMAND_TREE_END_DRAG, @@ -3162,7 +3130,8 @@ wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) case VK_END: case VK_PRIOR: case VK_NEXT: - if ( !MSWHandleTreeKeyDownEvent(wParam, lParam) ) + if ( !HandleKeyDown(wParam, lParam) && + !MSWHandleTreeKeyDownEvent(wParam, lParam) ) { // use the key to update the selection if it was left // unprocessed @@ -3224,8 +3193,7 @@ wxTreeCtrl::MSWDefWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) if ( m_dragImage ) { m_dragImage->EndDrag(); - delete m_dragImage; - m_dragImage = NULL; + wxDELETE(m_dragImage); // if we don't do it, the tree seems to think that 2 items // are selected simultaneously which is quite weird @@ -3403,7 +3371,7 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) // the wrong items are deselected. // Fortunately, Vista provides a new notification, TVN_ITEMCHANGING - // that can be used to regulate this incorrect behavior. The + // that can be used to regulate this incorrect behaviour. The // following messages will allow only the unlocked item's selection // state to change @@ -3433,7 +3401,7 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) // we have to handle both messages: case TVN_SELCHANGEDA: case TVN_SELCHANGEDW: - if ( !HasFlag(wxTR_MULTIPLE) || !m_changingSelection ) + if ( !m_changingSelection ) { eventType = wxEVT_COMMAND_TREE_SEL_CHANGED; } @@ -3441,7 +3409,7 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) case TVN_SELCHANGINGA: case TVN_SELCHANGINGW: - if ( !HasFlag(wxTR_MULTIPLE) || !m_changingSelection ) + if ( !m_changingSelection ) { if ( eventType == wxEVT_NULL ) eventType = wxEVT_COMMAND_TREE_SEL_CHANGING; @@ -3473,12 +3441,13 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) // // to avoid such surprises, we force the generation of focus events // now, before we generate the selection change ones - SetFocus(); + if ( !m_changingSelection ) + SetFocus(); break; // instead of explicitly checking for _WIN32_IE, check if the // required symbols are available in the headers -#if defined(CDDS_PREPAINT) && !wxUSE_COMCTL32_SAFELY +#if defined(CDDS_PREPAINT) case NM_CUSTOMDRAW: { LPNMTVCUSTOMDRAW lptvcd = (LPNMTVCUSTOMDRAW)lParam; @@ -3653,7 +3622,7 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) ::ScreenToClient(GetHwnd(), &tvhti.pt); if ( TreeView_HitTest(GetHwnd(), &tvhti) ) { - if ( tvhti.flags & TVHT_ONITEM ) + if ( MSWIsOnItem(tvhti.flags) ) { event.m_item = tvhti.hItem; eventType = (int)hdr->code == NM_DBLCLK