X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e90c1d2a19361551eb07778280f22be3e759cf64..56b79cb98da2e2e3024fce6f6313546577c34821:/src/msw/treectrl.cpp diff --git a/src/msw/treectrl.cpp b/src/msw/treectrl.cpp index e51192d9d9..d328e047c7 100644 --- a/src/msw/treectrl.cpp +++ b/src/msw/treectrl.cpp @@ -62,12 +62,25 @@ #define TVIS_FOCUSED 0x0001 #endif +#ifndef TV_FIRST + #define TV_FIRST 0x1100 +#endif + +// 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 + // ---------------------------------------------------------------------------- // private classes // ---------------------------------------------------------------------------- // a convenient wrapper around TV_ITEM struct which adds a ctor +#ifdef __VISUALC__ #pragma warning( disable : 4097 ) +#endif + struct wxTreeViewItem : public TV_ITEM { wxTreeViewItem(const wxTreeItemId& item, // the item handle @@ -80,7 +93,10 @@ struct wxTreeViewItem : public TV_ITEM hItem = (HTREEITEM) (WXHTREEITEM) item; } }; + +#ifdef __VISUALC__ #pragma warning( default : 4097 ) +#endif // a class which encapsulates the tree traversal logic: it vists all (unless // OnVisit() returns FALSE) items under the given one @@ -133,6 +149,8 @@ public: return TRUE; } + size_t GetCount() const { return m_selections.GetCount(); } + private: wxArrayTreeItemIds& m_selections; }; @@ -177,6 +195,7 @@ private: // wxTreeItemIndirectData. So we have to maintain a list of all items which // have indirect data inside the listctrl itself. // ---------------------------------------------------------------------------- + class wxTreeItemIndirectData { public: @@ -223,9 +242,7 @@ private: // macros // ---------------------------------------------------------------------------- -#if !USE_SHARED_LIBRARY IMPLEMENT_DYNAMIC_CLASS(wxTreeCtrl, wxControl) -#endif // ---------------------------------------------------------------------------- // variables @@ -282,6 +299,7 @@ void wxTreeCtrl::Init() m_imageListNormal = NULL; m_imageListState = NULL; m_textCtrl = NULL; + m_hasAnyAttr = FALSE; } bool wxTreeCtrl::Create(wxWindow *parent, @@ -309,10 +327,10 @@ bool wxTreeCtrl::Create(wxWindow *parent, if ( m_windowStyle & wxTR_LINES_AT_ROOT ) wstyle |= TVS_LINESATROOT; -#if !defined( __GNUWIN32__ ) && !defined( __BORLANDC__ ) && !defined(wxUSE_NORLANDER_HEADERS) +#if !defined( __GNUWIN32__ ) && !defined( __BORLANDC__ ) && !defined( __WATCOMC__ ) && !defined(wxUSE_NORLANDER_HEADERS) // 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 !defined(__VISUALC__) || (__VISUALC__ != 1010) +#if !defined(__VISUALC__) || (__VISUALC__ > 1010) if ( m_windowStyle & wxTR_MULTIPLE ) wstyle |= TVS_CHECKBOXES; #endif @@ -352,7 +370,7 @@ bool wxTreeCtrl::Create(wxWindow *parent, DFC_BUTTON, DFCS_BUTTONCHECK | DFCS_CHECKED) ) { - wxLogLastError(T("DrawFrameControl(check)")); + wxLogLastError(wxT("DrawFrameControl(check)")); } bmp.SetHBITMAP((WXHBITMAP)hbmpCheck); @@ -362,7 +380,7 @@ bool wxTreeCtrl::Create(wxWindow *parent, DFC_BUTTON, DFCS_BUTTONCHECK) ) { - wxLogLastError(T("DrawFrameControl(uncheck)")); + wxLogLastError(wxT("DrawFrameControl(uncheck)")); } bmp.SetHBITMAP((WXHBITMAP)hbmpCheck); @@ -383,6 +401,18 @@ bool wxTreeCtrl::Create(wxWindow *parent, wxTreeCtrl::~wxTreeCtrl() { + // delete any attributes + if ( m_hasAnyAttr ) + { + for ( wxNode *node = m_attrs.Next(); node; node = m_attrs.Next() ) + { + delete (wxTreeItemAttr *)node->Data(); + } + + // prevent TVN_DELETEITEM handler from deleting the attributes again! + m_hasAnyAttr = FALSE; + } + DeleteTextCtrl(); // delete user data to prevent memory leaks @@ -463,7 +493,31 @@ size_t wxTreeCtrl::GetChildrenCount(const wxTreeItemId& item, { TraverseCounter counter(this, item, recursively); - return counter.GetCount(); + return counter.GetCount() - 1; +} + +// ---------------------------------------------------------------------------- +// control colours +// ---------------------------------------------------------------------------- + +bool wxTreeCtrl::SetBackgroundColour(const wxColour &colour) +{ + if ( !wxWindowBase::SetBackgroundColour(colour) ) + return FALSE; + + SendMessage(GetHwnd(), TVM_SETBKCOLOR, 0, colour.GetPixel()); + + return TRUE; +} + +bool wxTreeCtrl::SetForegroundColour(const wxColour &colour) +{ + if ( !wxWindowBase::SetForegroundColour(colour) ) + return FALSE; + + SendMessage(GetHwnd(), TVM_SETTEXTCOLOR, 0, colour.GetPixel()); + + return TRUE; } // ---------------------------------------------------------------------------- @@ -480,7 +534,7 @@ wxString wxTreeCtrl::GetItemText(const wxTreeItemId& item) const if ( !DoGetItem(&tvItem) ) { // don't return some garbage which was on stack, but an empty string - buf[0] = T('\0'); + buf[0] = wxT('\0'); } return wxString(buf); @@ -555,7 +609,7 @@ int wxTreeCtrl::GetItemImage(const wxTreeItemId& item, switch ( which ) { default: - wxFAIL_MSG( T("unknown tree item image type") ); + wxFAIL_MSG( wxT("unknown tree item image type") ); case wxTreeItemIcon_Normal: mask = TVIF_IMAGE; @@ -583,7 +637,7 @@ void wxTreeCtrl::SetItemImage(const wxTreeItemId& item, int image, switch ( which ) { default: - wxFAIL_MSG( T("unknown tree item image type") ); + wxFAIL_MSG( wxT("unknown tree item image type") ); case wxTreeItemIcon_Normal: imageNormal = image; @@ -659,7 +713,7 @@ void wxTreeCtrl::SetItemData(const wxTreeItemId& item, wxTreeItemData *data) } else { - wxFAIL_MSG( T("failed to change tree items data") ); + wxFAIL_MSG( wxT("failed to change tree items data") ); } } else @@ -676,7 +730,7 @@ void wxTreeCtrl::SetIndirectItemData(const wxTreeItemId& item, // 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), T("setting indirect data twice?") ); + wxASSERT_MSG( !HasIndirectData(item), wxT("setting indirect data twice?") ); SetItemData(item, (wxTreeItemData *)data); @@ -709,6 +763,53 @@ void wxTreeCtrl::SetItemDropHighlight(const wxTreeItemId& item, bool highlight) DoSetItem(&tvItem); } +void wxTreeCtrl::SetItemTextColour(const wxTreeItemId& item, + const wxColour& col) +{ + m_hasAnyAttr = TRUE; + + long id = (long)(WXHTREEITEM)item; + wxTreeItemAttr *attr = (wxTreeItemAttr *)m_attrs.Get(id); + if ( !attr ) + { + attr = new wxTreeItemAttr; + m_attrs.Put(id, (wxObject *)attr); + } + + attr->SetTextColour(col); +} + +void wxTreeCtrl::SetItemBackgroundColour(const wxTreeItemId& item, + const wxColour& col) +{ + m_hasAnyAttr = TRUE; + + long id = (long)(WXHTREEITEM)item; + wxTreeItemAttr *attr = (wxTreeItemAttr *)m_attrs.Get(id); + if ( !attr ) + { + attr = new wxTreeItemAttr; + m_attrs.Put(id, (wxObject *)attr); + } + + attr->SetBackgroundColour(col); +} + +void wxTreeCtrl::SetItemFont(const wxTreeItemId& item, const wxFont& font) +{ + m_hasAnyAttr = TRUE; + + long id = (long)(WXHTREEITEM)item; + wxTreeItemAttr *attr = (wxTreeItemAttr *)m_attrs.Get(id); + if ( !attr ) + { + attr = new wxTreeItemAttr; + m_attrs.Put(id, (wxObject *)attr); + } + + attr->SetFont(font); +} + // ---------------------------------------------------------------------------- // Item status // ---------------------------------------------------------------------------- @@ -717,6 +818,12 @@ bool wxTreeCtrl::IsVisible(const wxTreeItemId& item) const { // 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; + + // FALSE means get item rect for the whole item, not only text return SendMessage(GetHwnd(), TVM_GETITEMRECT, FALSE, (LPARAM)&rect) != 0; } @@ -768,7 +875,7 @@ wxTreeItemId wxTreeCtrl::GetRootItem() const wxTreeItemId wxTreeCtrl::GetSelection() const { wxCHECK_MSG( !(m_windowStyle & wxTR_MULTIPLE), (WXHTREEITEM)0, - T("this only works with single selection controls") ); + wxT("this only works with single selection controls") ); return wxTreeItemId((WXHTREEITEM) TreeView_GetSelection(GetHwnd())); } @@ -830,7 +937,7 @@ wxTreeItemId wxTreeCtrl::GetFirstVisibleItem() const wxTreeItemId wxTreeCtrl::GetNextVisible(const wxTreeItemId& item) const { - wxASSERT_MSG( IsVisible(item), T("The item you call GetNextVisible() " + wxASSERT_MSG( IsVisible(item), wxT("The item you call GetNextVisible() " "for must be visible itself!")); return wxTreeItemId((WXHTREEITEM) TreeView_GetNextVisible(GetHwnd(), (HTREEITEM) (WXHTREEITEM) item)); @@ -838,7 +945,7 @@ wxTreeItemId wxTreeCtrl::GetNextVisible(const wxTreeItemId& item) const wxTreeItemId wxTreeCtrl::GetPrevVisible(const wxTreeItemId& item) const { - wxASSERT_MSG( IsVisible(item), T("The item you call GetPrevVisible() " + wxASSERT_MSG( IsVisible(item), wxT("The item you call GetPrevVisible() " "for must be visible itself!")); return wxTreeItemId((WXHTREEITEM) TreeView_GetPrevVisible(GetHwnd(), (HTREEITEM) (WXHTREEITEM) item)); @@ -873,7 +980,7 @@ size_t wxTreeCtrl::GetSelections(wxArrayTreeItemIds& selections) const { TraverseSelections selector(this, selections); - return selections.GetCount(); + return selector.GetCount(); } // ---------------------------------------------------------------------------- @@ -981,6 +1088,30 @@ wxTreeItemId wxTreeCtrl::InsertItem(const wxTreeItemId& parent, 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) +{ + // find the item from index + long cookie; + wxTreeItemId idPrev, idCur = GetFirstChild(parent, cookie); + while ( index != 0 && idCur.IsOk() ) + { + index--; + + idPrev = idCur; + idCur = GetNextChild(parent, cookie); + } + + // 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") ); + + return DoInsertItem(parent, idPrev, text, image, selectedImage, data); +} + wxTreeItemId wxTreeCtrl::AppendItem(const wxTreeItemId& parent, const wxString& text, int image, int selectedImage, @@ -1036,7 +1167,7 @@ void wxTreeCtrl::DoExpand(const wxTreeItemId& item, int flag) flag == (TVE_COLLAPSE | TVE_COLLAPSERESET) || flag == TVE_EXPAND || flag == TVE_TOGGLE, - T("Unknown flag in wxTreeCtrl::DoExpand") ); + wxT("Unknown flag in wxTreeCtrl::DoExpand") ); // TreeView_Expand doesn't send TVN_ITEMEXPAND(ING) messages, so we must // emulate them. This behaviour has changed slightly with comctl32.dll @@ -1096,7 +1227,7 @@ void wxTreeCtrl::ExpandItem(const wxTreeItemId& item, int action) void wxTreeCtrl::Unselect() { - wxASSERT_MSG( !(m_windowStyle & wxTR_MULTIPLE), T("doesn't make sense") ); + wxASSERT_MSG( !(m_windowStyle & wxTR_MULTIPLE), wxT("doesn't make sense") ); // just remove the selection SelectItem(wxTreeItemId((WXHTREEITEM) 0)); @@ -1274,7 +1405,7 @@ static int CALLBACK TreeView_CompareCallback(wxTreeItemData *pItem1, wxTreeCtrl *tree) { wxCHECK_MSG( pItem1 && pItem2, 0, - T("sorting tree without data doesn't make sense") ); + wxT("sorting tree without data doesn't make sense") ); return tree->OnCompareItems(pItem1->GetId(), pItem2->GetId()); } @@ -1341,6 +1472,25 @@ 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 @@ -1355,8 +1505,8 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) event.m_item = (WXHTREEITEM) tv->itemNew.hItem; event.m_pointDrag = wxPoint(tv->ptDrag.x, tv->ptDrag.y); - break; } + break; case TVN_BEGINLABELEDIT: { @@ -1365,17 +1515,23 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) event.m_item = (WXHTREEITEM) info->item.hItem; event.m_label = info->item.pszText; - break; } + break; case TVN_DELETEITEM: { eventType = wxEVT_COMMAND_TREE_DELETE_ITEM; NM_TREEVIEW *tv = (NM_TREEVIEW *)lParam; - event.m_item = (WXHTREEITEM) tv->itemOld.hItem; - break; + event.m_item = (WXHTREEITEM)tv->itemOld.hItem; + + if ( m_hasAnyAttr ) + { + delete (wxTreeItemAttr *)m_attrs. + Delete((long)tv->itemOld.hItem); + } } + break; case TVN_ENDLABELEDIT: { @@ -1384,6 +1540,8 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) event.m_item = (WXHTREEITEM)info->item.hItem; event.m_label = info->item.pszText; + if (info->item.pszText == NULL) + return FALSE; break; } @@ -1423,16 +1581,16 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) break; default: - wxLogDebug(T("unexpected code %d in TVN_ITEMEXPAND " + wxLogDebug(wxT("unexpected code %d in TVN_ITEMEXPAND " "message"), tv->action); } - bool ing = (hdr->code == TVN_ITEMEXPANDING); + bool ing = ((int)hdr->code == TVN_ITEMEXPANDING); eventType = g_events[expand][ing]; event.m_item = (WXHTREEITEM) tv->itemNew.hItem; - break; } + break; case TVN_KEYDOWN: { @@ -1450,8 +1608,8 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) GetEventHandler()->ProcessEvent(event2); } - break; } + break; case TVN_SELCHANGED: eventType = wxEVT_COMMAND_TREE_SEL_CHANGED; @@ -1467,8 +1625,105 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) event.m_item = (WXHTREEITEM) tv->itemNew.hItem; event.m_itemOld = (WXHTREEITEM) tv->itemOld.hItem; - break; } + break; + +#if defined(_WIN32_IE) && _WIN32_IE >= 0x300 + case NM_CUSTOMDRAW: + { + LPNMTVCUSTOMDRAW lptvcd = (LPNMTVCUSTOMDRAW)lParam; + NMCUSTOMDRAW& nmcd = lptvcd->nmcd; + switch( nmcd.dwDrawStage ) + { + case CDDS_PREPAINT: + // if we've got any items with non standard attributes, + // notify us before painting each item + *result = m_hasAnyAttr ? CDRF_NOTIFYITEMDRAW + : CDRF_DODEFAULT; + return TRUE; + + case CDDS_ITEMPREPAINT: + { + wxTreeItemAttr *attr = + (wxTreeItemAttr *)m_attrs.Get(nmcd.dwItemSpec); + + if ( !attr ) + { + // nothing to do for this item + return CDRF_DODEFAULT; + } + + 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(); + } + + // selection colours should override ours + if ( nmcd.uItemState & CDIS_SELECTED ) + { + DWORD clrBk = ::GetSysColor(COLOR_HIGHLIGHT); + lptvcd->clrTextBk = clrBk; + + // try to make the text visible + lptvcd->clrText = wxColourToRGB(colText); + lptvcd->clrText |= ~clrBk; + lptvcd->clrText &= 0x00ffffff; + } + else + { + if ( attr->HasBackgroundColour() ) + { + colBack = attr->GetBackgroundColour(); + } + else + { + colBack = GetBackgroundColour(); + } + + 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 ) + { + ::SelectObject(nmcd.hdc, hFont); + + *result = CDRF_NEWFONT; + } + else + { + *result = CDRF_DODEFAULT; + } + + return TRUE; + } + + default: + *result = CDRF_DODEFAULT; + return TRUE; + } + } + break; +#endif // _WIN32_IE >= 0x300 default: return wxControl::MSWOnNotify(idCtrl, lParam, result);