X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ad9835c97c10c0d7de345e3a7a7c0fc2776eb2cb..ce22ac4592fccaedd8324e7a8f08b510748827e4:/src/msw/treectrl.cpp diff --git a/src/msw/treectrl.cpp b/src/msw/treectrl.cpp index b6d787a4a3..c6bd87b086 100644 --- a/src/msw/treectrl.cpp +++ b/src/msw/treectrl.cpp @@ -26,26 +26,24 @@ #if wxUSE_TREECTRL +#include "wx/treectrl.h" + #ifndef WX_PRECOMP + #include "wx/msw/wrapcctl.h" // include "properly" + #include "wx/msw/missing.h" #include "wx/dynarray.h" + #include "wx/log.h" + #include "wx/app.h" + #include "wx/settings.h" #endif #include "wx/msw/private.h" -// include "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/app.h" -#include "wx/log.h" #include "wx/imaglist.h" -#include "wx/settings.h" -#include "wx/treectrl.h" #include "wx/msw/dragimag.h" // macros to hide the cast ugliness @@ -269,27 +267,122 @@ struct wxTreeViewItem : public TV_ITEM } }; +// ---------------------------------------------------------------------------- +// This class is our userdata/lParam for the TV_ITEMs stored in the treeview. +// +// We need this for a couple of reasons: +// +// 1) This class is needed for support of different images: the Win32 common +// control natively supports only 2 images (the normal one and another for the +// selected state). We wish to provide support for 2 more of them for folder +// items (i.e. those which have children): for expanded state and for expanded +// selected state. For this we use this structure to store the additional items +// images. +// +// 2) This class is also needed to hold the HITEM so that we can sort +// it correctly in the MSW sort callback. +// +// In addition it makes other workarounds such as this easier and helps +// simplify the code. +// ---------------------------------------------------------------------------- + +class wxTreeItemParam +{ +public: + wxTreeItemParam() + { + m_data = NULL; + + for ( size_t n = 0; n < WXSIZEOF(m_images); n++ ) + { + m_images[n] = -1; + } + } + + // dtor deletes the associated data as well + virtual ~wxTreeItemParam() { delete m_data; } + + // accessors + // get the real data associated with the item + wxTreeItemData *GetData() const { return m_data; } + // change it + void SetData(wxTreeItemData *data) { m_data = data; } + + // do we have such image? + bool HasImage(wxTreeItemIcon which) const { return m_images[which] != -1; } + // get image, falling back to the other images if this one is not + // specified + int GetImage(wxTreeItemIcon which) const + { + int image = m_images[which]; + if ( image == -1 ) + { + switch ( which ) + { + case wxTreeItemIcon_SelectedExpanded: + image = GetImage(wxTreeItemIcon_Expanded); + if ( image != -1 ) + break; + //else: fall through + + case wxTreeItemIcon_Selected: + case wxTreeItemIcon_Expanded: + image = GetImage(wxTreeItemIcon_Normal); + break; + + case wxTreeItemIcon_Normal: + // no fallback + break; + + default: + wxFAIL_MSG( _T("unsupported wxTreeItemIcon value") ); + } + } + + return image; + } + // change the given image + void SetImage(int image, wxTreeItemIcon which) { m_images[which] = image; } + + // get item + const wxTreeItemId& GetItem() const { return m_item; } + // set item + void SetItem(const wxTreeItemId& item) { m_item = item; } + +protected: + // all the images associated with the item + int m_images[wxTreeItemIcon_Max]; + + // item for sort callbacks + wxTreeItemId m_item; + + // the real client data + wxTreeItemData *m_data; + + DECLARE_NO_COPY_CLASS(wxTreeItemParam) +}; + // wxVirutalNode is used in place of a single root when 'hidden' root is // specified. class wxVirtualNode : public wxTreeViewItem { public: - wxVirtualNode(wxTreeItemData *data) + wxVirtualNode(wxTreeItemParam *param) : wxTreeViewItem(TVI_ROOT, 0) { - m_data = data; + m_param = param; } ~wxVirtualNode() { - delete m_data; + delete m_param; } - wxTreeItemData *GetData() const { return m_data; } - void SetData(wxTreeItemData *data) { delete m_data; m_data = data; } + wxTreeItemParam *GetParam() const { return m_param; } + void SetParam(wxTreeItemParam *param) { delete m_param; m_param = param; } private: - wxTreeItemData *m_data; + wxTreeItemParam *m_param; DECLARE_NO_COPY_CLASS(wxVirtualNode) }; @@ -355,16 +448,18 @@ public: virtual bool OnVisit(const wxTreeItemId& item) { + const wxTreeCtrl * const tree = GetTree(); + // can't visit a virtual node. - if ( (GetTree()->GetRootItem() == item) && (GetTree()->GetWindowStyle() & wxTR_HIDE_ROOT)) + if ( (tree->GetRootItem() == item) && tree->HasFlag(wxTR_HIDE_ROOT) ) { return true; } #if wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE - if ( GetTree()->IsItemChecked(item) ) + if ( tree->IsItemChecked(item) ) #else - if ( ::IsItemSelected(GetHwndOf(GetTree()), HITEM(item)) ) + if ( ::IsItemSelected(GetHwndOf(tree), HITEM(item)) ) #endif { m_selections.Add(item); @@ -410,69 +505,6 @@ private: DECLARE_NO_COPY_CLASS(TraverseCounter) }; -// ---------------------------------------------------------------------------- -// This class is needed for support of different images: the Win32 common -// control natively supports only 2 images (the normal one and another for the -// selected state). We wish to provide support for 2 more of them for folder -// items (i.e. those which have children): for expanded state and for expanded -// selected state. For this we use this structure to store the additional items -// images. -// -// There is only one problem with this: when we retrieve the item's data, we -// don't know whether we get a pointer to wxTreeItemData or -// wxTreeItemIndirectData. So we always set the item id to an invalid value -// in this class and the code using the client data checks for it and retrieves -// the real client data in this case. -// ---------------------------------------------------------------------------- - -class wxTreeItemIndirectData : public wxTreeItemData -{ -public: - // ctor associates this data with the item and the real item data becomes - // available through our GetData() method - wxTreeItemIndirectData(wxTreeCtrl *tree, const wxTreeItemId& item) - { - for ( size_t n = 0; n < WXSIZEOF(m_images); n++ ) - { - m_images[n] = -1; - } - - // save the old data - m_data = tree->GetItemData(item); - - // and set ourselves as the new one - tree->SetIndirectItemData(item, this); - - // we must have the invalid value for the item - m_pItem = 0l; - } - - // dtor deletes the associated data as well - virtual ~wxTreeItemIndirectData() { delete m_data; } - - // accessors - // get the real data associated with the item - wxTreeItemData *GetData() const { return m_data; } - // change it - void SetData(wxTreeItemData *data) { m_data = data; } - - // do we have such image? - bool HasImage(wxTreeItemIcon which) const { return m_images[which] != -1; } - // get image - int GetImage(wxTreeItemIcon which) const { return m_images[which]; } - // change it - void SetImage(int image, wxTreeItemIcon which) { m_images[which] = image; } - -private: - // all the images associated with the item - int m_images[wxTreeItemIcon_Max]; - - // the real client data - wxTreeItemData *m_data; - - DECLARE_NO_COPY_CLASS(wxTreeItemIndirectData) -}; - // ---------------------------------------------------------------------------- // wxWin macros // ---------------------------------------------------------------------------- @@ -797,7 +829,7 @@ wxTreeCtrl::GetClassDefaultAttributes(wxWindowVariant variant) // simple wrappers which add error checking in debug mode -bool wxTreeCtrl::DoGetItem(wxTreeViewItem* tvItem) const +bool wxTreeCtrl::DoGetItem(wxTreeViewItem *tvItem) const { wxCHECK_MSG( tvItem->hItem != TVI_ROOT, false, _T("can't retrieve virtual root item") ); @@ -812,7 +844,7 @@ bool wxTreeCtrl::DoGetItem(wxTreeViewItem* tvItem) const return true; } -void wxTreeCtrl::DoSetItem(wxTreeViewItem* tvItem) +void wxTreeCtrl::DoSetItem(wxTreeViewItem *tvItem) { if ( TreeView_SetItem(GetHwnd(), tvItem) == -1 ) { @@ -900,6 +932,11 @@ bool wxTreeCtrl::SetForegroundColour(const wxColour &colour) // Item access // ---------------------------------------------------------------------------- +bool wxTreeCtrl::IsHiddenRoot(const wxTreeItemId& item) const +{ + return HITEM(item) == TVI_ROOT && HasFlag(wxTR_HIDE_ROOT); +} + wxString wxTreeCtrl::GetItemText(const wxTreeItemId& item) const { wxCHECK_MSG( item.IsOk(), wxEmptyString, wxT("invalid tree item") ); @@ -944,258 +981,87 @@ void wxTreeCtrl::SetItemText(const wxTreeItemId& item, const wxString& text) } } -int wxTreeCtrl::DoGetItemImageFromData(const wxTreeItemId& item, - wxTreeItemIcon which) const -{ - wxTreeViewItem tvItem(item, TVIF_PARAM); - if ( !DoGetItem(&tvItem) ) - { - return -1; - } - - return ((wxTreeItemIndirectData *)tvItem.lParam)->GetImage(which); -} - -void wxTreeCtrl::DoSetItemImageFromData(const wxTreeItemId& item, - int image, - wxTreeItemIcon which) const -{ - wxTreeViewItem tvItem(item, TVIF_PARAM); - if ( !DoGetItem(&tvItem) ) - { - return; - } - - wxTreeItemIndirectData *data = ((wxTreeItemIndirectData *)tvItem.lParam); - - data->SetImage(image, which); - - // make sure that we have selected images as well - if ( which == wxTreeItemIcon_Normal && - !data->HasImage(wxTreeItemIcon_Selected) ) - { - data->SetImage(image, wxTreeItemIcon_Selected); - } - - if ( which == wxTreeItemIcon_Expanded && - !data->HasImage(wxTreeItemIcon_SelectedExpanded) ) - { - data->SetImage(image, wxTreeItemIcon_SelectedExpanded); - } -} - -void wxTreeCtrl::DoSetItemImages(const wxTreeItemId& item, - int image, - int imageSel) -{ - wxTreeViewItem tvItem(item, TVIF_IMAGE | TVIF_SELECTEDIMAGE); - tvItem.iSelectedImage = imageSel; - tvItem.iImage = image; - DoSetItem(&tvItem); -} - int wxTreeCtrl::GetItemImage(const wxTreeItemId& item, wxTreeItemIcon which) const { wxCHECK_MSG( item.IsOk(), -1, wxT("invalid tree item") ); - if ( (HITEM(item) == TVI_ROOT) && (m_windowStyle & wxTR_HIDE_ROOT) ) + if ( IsHiddenRoot(item) ) { - // TODO: Maybe a hidden root can still provide images? + // no images for hidden root item return -1; } - if ( HasIndirectData(item) ) - { - return DoGetItemImageFromData(item, which); - } - - UINT mask; - switch ( which ) - { - default: - wxFAIL_MSG( wxT("unknown tree item image type") ); + wxTreeItemParam *param = GetItemParam(item); - case wxTreeItemIcon_Normal: - mask = TVIF_IMAGE; - break; - - case wxTreeItemIcon_Selected: - mask = TVIF_SELECTEDIMAGE; - break; - - case wxTreeItemIcon_Expanded: - case wxTreeItemIcon_SelectedExpanded: - return -1; - } - - wxTreeViewItem tvItem(item, mask); - DoGetItem(&tvItem); - - return mask == TVIF_IMAGE ? tvItem.iImage : tvItem.iSelectedImage; + return param && param->HasImage(which) ? param->GetImage(which) : -1; } void wxTreeCtrl::SetItemImage(const wxTreeItemId& item, int image, wxTreeItemIcon which) { wxCHECK_RET( item.IsOk(), wxT("invalid tree item") ); + wxCHECK_RET( which >= 0 && + which < wxTreeItemIcon_Max, + wxT("invalid image index")); - if ( IS_VIRTUAL_ROOT(item) ) + + if ( IsHiddenRoot(item) ) { - // TODO: Maybe a hidden root can still store images? + // no images for hidden root item return; } - int imageNormal, - imageSel; - - switch ( which ) - { - default: - wxFAIL_MSG( wxT("unknown tree item image type") ); - // fall through - - case wxTreeItemIcon_Normal: - { - const int imageNormalOld = GetItemImage(item); - const int imageSelOld = - GetItemImage(item, wxTreeItemIcon_Selected); - - // always set the normal image - imageNormal = image; - - // if the selected and normal images were the same, they should - // be the same after the update, otherwise leave the selected - // image as it was - imageSel = imageNormalOld == imageSelOld ? image : imageSelOld; - } - break; - - case wxTreeItemIcon_Selected: - imageNormal = GetItemImage(item); - imageSel = image; - break; - - case wxTreeItemIcon_Expanded: - case wxTreeItemIcon_SelectedExpanded: - if ( !HasIndirectData(item) ) - { - // we need to get the old images first, because after we create - // the wxTreeItemIndirectData GetItemXXXImage() will use it to - // get the images - imageNormal = GetItemImage(item); - imageSel = GetItemImage(item, wxTreeItemIcon_Selected); - - // if it doesn't have it yet, add it - wxTreeItemIndirectData *data = new - wxTreeItemIndirectData(this, item); - - // copy the data to the new location - data->SetImage(imageNormal, wxTreeItemIcon_Normal); - data->SetImage(imageSel, wxTreeItemIcon_Selected); - } - - DoSetItemImageFromData(item, image, which); + wxTreeItemParam *data = GetItemParam(item); + if ( !data ) + return; - // reset the normal/selected images because we won't use them any - // more - now they're stored inside the indirect data - imageNormal = - imageSel = I_IMAGECALLBACK; - break; - } + data->SetImage(image, which); - // NB: at least in version 5.00.0518.9 of comctl32.dll we need to always - // change both normal and selected image - otherwise the change simply - // doesn't take place! - DoSetItemImages(item, imageNormal, imageSel); + RefreshItem(item); } -wxTreeItemData *wxTreeCtrl::GetItemData(const wxTreeItemId& item) const +wxTreeItemParam *wxTreeCtrl::GetItemParam(const wxTreeItemId& item) const { wxCHECK_MSG( item.IsOk(), NULL, wxT("invalid tree item") ); wxTreeViewItem tvItem(item, TVIF_PARAM); - // Hidden root may have data. + // hidden root may still have data. if ( IS_VIRTUAL_ROOT(item) ) { - return GET_VIRTUAL_ROOT()->GetData(); + return GET_VIRTUAL_ROOT()->GetParam(); } - // Visible node. + // visible node. if ( !DoGetItem(&tvItem) ) { return NULL; } - wxTreeItemData *data = (wxTreeItemData *)tvItem.lParam; - if ( IsDataIndirect(data) ) - { - data = ((wxTreeItemIndirectData *)data)->GetData(); - } - - return data; + return (wxTreeItemParam *)tvItem.lParam; } -void wxTreeCtrl::SetItemData(const wxTreeItemId& item, wxTreeItemData *data) +wxTreeItemData *wxTreeCtrl::GetItemData(const wxTreeItemId& item) const { - wxCHECK_RET( item.IsOk(), wxT("invalid tree item") ); + wxTreeItemParam *data = GetItemParam(item); - if ( IS_VIRTUAL_ROOT(item) ) - { - GET_VIRTUAL_ROOT()->SetData(data); - } + return data ? data->GetData() : NULL; +} +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); + wxTreeItemParam *param = GetItemParam(item); - if ( HasIndirectData(item) ) - { - if ( DoGetItem(&tvItem) ) - { - ((wxTreeItemIndirectData *)tvItem.lParam)->SetData(data); - } - else - { - wxFAIL_MSG( wxT("failed to change tree items data") ); - } - } - else - { - tvItem.lParam = (LPARAM)data; - DoSetItem(&tvItem); - } -} - -void wxTreeCtrl::SetIndirectItemData(const wxTreeItemId& item, - wxTreeItemIndirectData *data) -{ - // this should never happen because it's unnecessary and will probably lead - // 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), wxT("setting indirect data twice?") ); + wxCHECK_RET( param, wxT("failed to change tree items data") ); - SetItemData(item, data); -} - -bool wxTreeCtrl::HasIndirectData(const wxTreeItemId& item) const -{ - // query the item itself - wxTreeViewItem tvItem(item, TVIF_PARAM); - if ( !DoGetItem(&tvItem) ) - { - return false; - } - - wxTreeItemData *data = (wxTreeItemData *)tvItem.lParam; - - return data && IsDataIndirect(data); + param->SetData(data); } void wxTreeCtrl::SetItemHasChildren(const wxTreeItemId& item, bool has) @@ -1642,41 +1508,35 @@ wxTreeItemId wxTreeCtrl::DoInsertAfter(const wxTreeItemId& parent, tvIns.item.cchTextMax = 0; } - if ( image != -1 ) - { - mask |= TVIF_IMAGE; - tvIns.item.iImage = image; - - if ( selectedImage == -1 ) - { - // take the same image for selected icon if not specified - selectedImage = image; - } - } + // create the param which will store the other item parameters + wxTreeItemParam *param = new wxTreeItemParam; - if ( selectedImage != -1 ) - { - mask |= TVIF_SELECTEDIMAGE; - tvIns.item.iSelectedImage = selectedImage; - } + // we return the images on demand as they depend on whether the item is + // expanded or collapsed too in our case + mask |= TVIF_IMAGE | TVIF_SELECTEDIMAGE; + tvIns.item.iImage = I_IMAGECALLBACK; + tvIns.item.iSelectedImage = I_IMAGECALLBACK; - if ( data != NULL ) - { - mask |= TVIF_PARAM; - tvIns.item.lParam = (LPARAM)data; - } + param->SetImage(image, wxTreeItemIcon_Normal); + param->SetImage(selectedImage, wxTreeItemIcon_Selected); + mask |= TVIF_PARAM; + tvIns.item.lParam = (LPARAM)param; tvIns.item.mask = mask; - HTREEITEM id = (HTREEITEM) TreeView_InsertItem(GetHwnd(), &tvIns); + HTREEITEM id = TreeView_InsertItem(GetHwnd(), &tvIns); if ( id == 0 ) { wxLogLastError(wxT("TreeView_InsertItem")); } + // associate the application tree item with Win32 tree item handle + param->SetItem(id); + + // setup wxTreeItemData if ( data != NULL ) { - // associate the application tree item with Win32 tree item handle + param->SetData(data); data->SetId(id); } @@ -1708,10 +1568,13 @@ wxTreeItemId wxTreeCtrl::AddRoot(const wxString& text, wxTreeItemData *data) { - if ( m_windowStyle & wxTR_HIDE_ROOT ) + if ( HasFlag(wxTR_HIDE_ROOT) ) { // create a virtual root item, the parent for all the others - m_pVirtualRoot = new wxVirtualNode(data); + wxTreeItemParam *param = new wxTreeItemParam; + param->SetData(data); + + m_pVirtualRoot = new wxVirtualNode(param); return TVI_ROOT; } @@ -1810,7 +1673,7 @@ void wxTreeCtrl::DoExpand(const wxTreeItemId& item, int flag) wxT("Unknown flag in wxTreeCtrl::DoExpand") ); // A hidden root can be neither expanded nor collapsed. - wxCHECK_RET( !(m_windowStyle & wxTR_HIDE_ROOT) || (HITEM(item) != TVI_ROOT), + wxCHECK_RET( !IsHiddenRoot(item), wxT("Can't expand/collapse hidden root node!") ); // TreeView_Expand doesn't send TVN_ITEMEXPAND(ING) messages, so we must @@ -1827,16 +1690,12 @@ void wxTreeCtrl::DoExpand(const wxTreeItemId& item, int flag) if ( TreeView_Expand(GetHwnd(), HITEM(item), flag) != 0 ) { - wxTreeEvent event(wxEVT_NULL, m_windowId); - event.m_item = item; - event.SetEventObject(this); - // note that the {EXPAND|COLLAPS}ING event is sent by TreeView_Expand() // itself - event.SetEventType(gs_expandEvents[IsExpanded(item) ? IDX_EXPAND - : IDX_COLLAPSE] - [IDX_DONE]); - + wxTreeEvent event(gs_expandEvents[IsExpanded(item) ? IDX_EXPAND + : IDX_COLLAPSE] + [IDX_DONE], + this, item); (void)GetEventHandler()->ProcessEvent(event); } //else: change didn't took place, so do nothing at all @@ -1924,11 +1783,7 @@ void wxTreeCtrl::SelectItem(const wxTreeItemId& item, bool select) // the notification from the control (i.e. TVN_SELCHANG{ED|ING}), so // send them ourselves - wxTreeEvent event(wxEVT_NULL, m_windowId); - event.m_item = item; - event.SetEventObject(this); - - event.SetEventType(wxEVT_COMMAND_TREE_SEL_CHANGING); + wxTreeEvent event(wxEVT_COMMAND_TREE_SEL_CHANGING, this, item); if ( !GetEventHandler()->ProcessEvent(event) || event.IsAllowed() ) { if ( !TreeView_SelectItem(GetHwnd(), HITEM(item)) ) @@ -1947,6 +1802,8 @@ 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") ); + // no error return TreeView_EnsureVisible(GetHwnd(), HITEM(item)); } @@ -1985,8 +1842,8 @@ void wxTreeCtrl::DeleteTextCtrl() } } -wxTextCtrl* wxTreeCtrl::EditLabel(const wxTreeItemId& item, - wxClassInfo* textControlClass) +wxTextCtrl *wxTreeCtrl::EditLabel(const wxTreeItemId& item, + wxClassInfo *textControlClass) { wxASSERT( textControlClass->IsKindOf(CLASSINFO(wxTextCtrl)) ); @@ -2017,7 +1874,7 @@ void wxTreeCtrl::DoEndEditLabel(bool discardChanges) DeleteTextCtrl(); } -wxTreeItemId wxTreeCtrl::DoTreeHitTest(const wxPoint& point, int& flags) +wxTreeItemId wxTreeCtrl::DoTreeHitTest(const wxPoint& point, int& flags) const { TV_HITTESTINFO hitTestInfo; hitTestInfo.pt.x = (int)point.x; @@ -2086,16 +1943,10 @@ public: static int CALLBACK Compare(LPARAM data1, LPARAM data2, LPARAM tree); private: - static wxTreeItemId GetIdFromData(wxTreeCtrl *tree, LPARAM item) + static wxTreeItemId GetIdFromData(LPARAM lParam) { - wxTreeItemData *data = (wxTreeItemData *)item; - if ( tree->IsDataIndirect(data) ) - { - data = ((wxTreeItemIndirectData *)data)->GetData(); + return ((wxTreeItemParam*)lParam)->GetItem(); } - - return data->GetId(); - } }; int CALLBACK wxTreeSortHelper::Compare(LPARAM pItem1, @@ -2107,8 +1958,8 @@ int CALLBACK wxTreeSortHelper::Compare(LPARAM pItem1, wxTreeCtrl *tree = (wxTreeCtrl *)htree; - return tree->OnCompareItems(GetIdFromData(tree, pItem1), - GetIdFromData(tree, pItem2)); + return tree->OnCompareItems(GetIdFromData(pItem1), + GetIdFromData(pItem2)); } void wxTreeCtrl::SortChildren(const wxTreeItemId& item) @@ -2118,6 +1969,10 @@ void wxTreeCtrl::SortChildren(const wxTreeItemId& item) // rely on the fact that TreeView_SortChildren does the same thing as our // default behaviour, i.e. sorts items alphabetically and so call it // directly if we're not in derived class (much more efficient!) + // RN: Note that if you find you're code doesn't sort as expected this + // may be why as if you don't use the DECLARE_CLASS/IMPLEMENT_CLASS + // combo for your derived wxTreeCtrl if will sort without + // OnCompareItems if ( GetClassInfo() == CLASSINFO(wxTreeCtrl) ) { TreeView_SortChildren(GetHwnd(), HITEM(item), 0); @@ -2136,6 +1991,20 @@ void wxTreeCtrl::SortChildren(const wxTreeItemId& item) // implementation // ---------------------------------------------------------------------------- +bool wxTreeCtrl::MSWShouldPreProcessMessage(WXMSG* msg) +{ + if ( msg->message == WM_KEYDOWN ) + { + if ( msg->wParam == VK_RETURN ) + { + // we need VK_RETURN to generate wxEVT_COMMAND_TREE_ITEM_ACTIVATED + return false; + } + } + + return wxTreeCtrlBase::MSWShouldPreProcessMessage(msg); +} + bool wxTreeCtrl::MSWCommand(WXUINT cmd, WXWORD id) { if ( cmd == EN_UPDATE ) @@ -2178,18 +2047,16 @@ WXLRESULT wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lPara // 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 ); + wxTreeEvent event(wxEVT_COMMAND_TREE_ITEM_MENU, this, + wxTreeItemId(TreeView_GetSelection(GetHwnd()))); // 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)) + if (ItemRect.Contains(MenuPoint)) { event.m_pointDrag = MenuPoint; } @@ -2404,12 +2271,7 @@ WXLRESULT wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lPara m_dragImage = NULL; // generate the drag end event - wxTreeEvent event(wxEVT_COMMAND_TREE_END_DRAG, m_windowId); - - event.m_item = htItem; - event.m_pointDrag = wxPoint(x, y); - event.SetEventObject(this); - + wxTreeEvent event(wxEVT_COMMAND_TREE_END_DRAG, this, htItem); (void)GetEventHandler()->ProcessEvent(event); // if we don't do it, the tree seems to think that 2 items @@ -2588,7 +2450,7 @@ wxTreeCtrl::MSWDefWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) // process WM_NOTIFY Windows message bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) { - wxTreeEvent event(wxEVT_NULL, m_windowId); + wxTreeEvent event(wxEVT_NULL, this); wxEventType eventType = wxEVT_NULL; NMHDR *hdr = (NMHDR *)lParam; @@ -2706,7 +2568,7 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) case TVN_ITEMEXPANDING: case TVN_ITEMEXPANDED: { - NM_TREEVIEW* tv = (NM_TREEVIEW*)lParam; + NM_TREEVIEW *tv = (NM_TREEVIEW*)lParam; int what; switch ( tv->action ) @@ -2763,16 +2625,13 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) if ( !wxIsCtrlDown() && !wxIsShiftDown() && !isAltDown && ((info->wVKey == VK_SPACE) || (info->wVKey == VK_RETURN)) ) { - wxTreeEvent event2(wxEVT_COMMAND_TREE_ITEM_ACTIVATED, - m_windowId); - event2.SetEventObject(this); - if ( !(GetWindowStyle() & wxTR_MULTIPLE) ) - { - event2.m_item = GetSelection(); - } - //else: don't know how to get it + wxTreeItemId item; + if ( !HasFlag(wxTR_MULTIPLE) ) + item = GetSelection(); - (void)GetEventHandler()->ProcessEvent(event2); + wxTreeEvent event2(wxEVT_COMMAND_TREE_ITEM_ACTIVATED, + this, item); + (void)GetEventHandler()->ProcessEvent(event2); } } break; @@ -2795,13 +2654,13 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) if (hdr->code == TVN_SELCHANGINGW || hdr->code == TVN_SELCHANGEDW) { - NM_TREEVIEWW* tv = (NM_TREEVIEWW *)lParam; + NM_TREEVIEWW *tv = (NM_TREEVIEWW *)lParam; event.m_item = tv->itemNew.hItem; event.m_itemOld = tv->itemOld.hItem; } else { - NM_TREEVIEWA* tv = (NM_TREEVIEWA *)lParam; + NM_TREEVIEWA *tv = (NM_TREEVIEWA *)lParam; event.m_item = tv->itemNew.hItem; event.m_itemOld = tv->itemOld.hItem; } @@ -2838,9 +2697,15 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) wxTreeItemAttr * const attr = it->second; + wxTreeViewItem tvItem((void *)nmcd.dwItemSpec, + TVIF_STATE, TVIS_DROPHILITED); + DoGetItem(&tvItem); + const UINT tvItemState = tvItem.state; + // selection colours should override ours, - // otherwise it is too confusing ot the user - if ( !(nmcd.uItemState & CDIS_SELECTED) ) + // otherwise it is too confusing to the user + if ( !(nmcd.uItemState & CDIS_SELECTED) && + !(tvItemState & TVIS_DROPHILITED) ) { wxColour colBack; if ( attr->HasBackgroundColour() ) @@ -2854,8 +2719,9 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) // colour when we don't have focus (we can't keep // it when we do, it would usually be unreadable on // the almost inverted bg colour...) - if ( !(nmcd.uItemState & CDIS_SELECTED) || - FindFocus() != this ) + if ( ( !(nmcd.uItemState & CDIS_SELECTED) || + FindFocus() != this ) && + !(tvItemState & TVIS_DROPHILITED) ) { wxColour colText; if ( attr->HasTextColour() ) @@ -2934,9 +2800,11 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) return wxControl::MSWOnNotify(idCtrl, lParam, result); } - event.SetEventObject(this); event.SetEventType(eventType); + if ( event.m_item.IsOk() ) + event.SetClientObject(GetItemData(event.m_item)); + bool processed = GetEventHandler()->ProcessEvent(event); // post processing @@ -2970,20 +2838,11 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) // tables, but due to overhead of wxWin event system we // prefer to do it here ourself (otherwise deleting a tree // with many items is just too slow) - NM_TREEVIEW* tv = (NM_TREEVIEW *)lParam; + NM_TREEVIEW *tv = (NM_TREEVIEW *)lParam; - wxTreeItemId item = event.m_item; - if ( HasIndirectData(item) ) - { - wxTreeItemIndirectData *data = (wxTreeItemIndirectData *) - tv->itemOld.lParam; - delete data; // can't be NULL here - } - else - { - wxTreeItemData *data = (wxTreeItemData *)tv->itemOld.lParam; - delete data; // may be NULL, ok - } + wxTreeItemParam *param = + (wxTreeItemParam *)tv->itemOld.lParam; + delete param; processed = true; // Make sure we don't get called twice } @@ -2997,15 +2856,15 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) if ( event.IsAllowed() ) { HWND hText = TreeView_GetEditControl(GetHwnd()); - if(hText != NULL) + if ( hText ) { // MBN: if m_textCtrl already has an HWND, it is a stale // pointer from a previous edit (because the user // didn't modify the label before dismissing the control, // and TVN_ENDLABELEDIT was not sent), so delete it - if(m_textCtrl && m_textCtrl->GetHWND() != 0) + if ( m_textCtrl && m_textCtrl->GetHWND() ) DeleteTextCtrl(); - if(!m_textCtrl) + if ( !m_textCtrl ) m_textCtrl = new wxTextCtrl(); m_textCtrl->SetParent(this); m_textCtrl->SetHWND((WXHWND)hText); @@ -3063,7 +2922,7 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) // an image depending on the expanded/collapsed state - bug in // comctl32.dll or our code? { - NM_TREEVIEW* tv = (NM_TREEVIEW *)lParam; + NM_TREEVIEW *tv = (NM_TREEVIEW *)lParam; wxTreeItemId id(tv->itemNew.hItem); int image = GetItemImage(id, wxTreeItemIcon_Expanded); @@ -3077,16 +2936,20 @@ 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 && */ ) { wxTreeItemId item = event.m_item; TV_DISPINFO *info = (TV_DISPINFO *)lParam; + + const wxTreeItemParam * const param = GetItemParam(item); + if ( !param ) + break; + if ( info->item.mask & TVIF_IMAGE ) { info->item.iImage = - DoGetItemImageFromData + param->GetImage ( - item, IsExpanded(item) ? wxTreeItemIcon_Expanded : wxTreeItemIcon_Normal ); @@ -3094,9 +2957,8 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) if ( info->item.mask & TVIF_SELECTEDIMAGE ) { info->item.iSelectedImage = - DoGetItemImageFromData + param->GetImage ( - item, IsExpanded(item) ? wxTreeItemIcon_SelectedExpanded : wxTreeItemIcon_Selected );