// headers
// ----------------------------------------------------------------------------
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
- #pragma implementation "treectrl.h"
-#endif
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#if wxUSE_TREECTRL
+#include "wx/treectrl.h"
+
+#ifndef WX_PRECOMP
+ #include "wx/dynarray.h"
+ #include "wx/log.h"
+ #include "wx/app.h"
+ #include "wx/settings.h"
+#endif
+
#include "wx/msw/private.h"
// include <commctrl.h> "properly"
// comctl32.dll versions
#define wxUSE_COMCTL32_SAFELY 0
-#include "wx/app.h"
-#include "wx/log.h"
-#include "wx/dynarray.h"
#include "wx/imaglist.h"
-#include "wx/settings.h"
-#include "wx/msw/treectrl.h"
#include "wx/msw/dragimag.h"
// macros to hide the cast ugliness
// --------------------------------
-// ptr is the real item id, i.e. wxTreeItemId::m_pItem
-#define HITEM_PTR(ptr) (HTREEITEM)(ptr)
-
-// item here is a wxTreeItemId
-#define HITEM(item) HITEM_PTR((item).m_pItem)
+// get HTREEITEM from wxTreeItemId
+#define HITEM(item) ((HTREEITEM)(((item).m_pItem)))
// the native control doesn't support multiple selections under MSW and we
// have 2 ways to emulate them: either using TVS_CHECKBOXES style and let
}
};
+// ----------------------------------------------------------------------------
+// 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)
};
m_tree = tree;
}
+ // give it a virtual dtor: not really needed as the class is never used
+ // polymorphically and not even allocated on heap at all, but this is safer
+ // (in case it ever is) and silences the compiler warnings for now
+ virtual ~wxTreeTraversal() { }
+
// do traverse the tree: visit all items (recursively by default) under the
// given one; return true if all items were traversed or false if the
// traversal was aborted because OnVisit returned false
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);
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
// ----------------------------------------------------------------------------
void wxTreeCtrl::Init()
{
- m_imageListNormal = NULL;
- m_imageListState = NULL;
- m_ownsImageListNormal = m_ownsImageListState = false;
m_textCtrl = NULL;
m_hasAnyAttr = false;
m_dragImage = NULL;
// delete user data to prevent memory leaks
// also deletes hidden root node storage.
DeleteAllItems();
-
- if (m_ownsImageListNormal) delete m_imageListNormal;
- if (m_ownsImageListState) delete m_imageListState;
}
// ----------------------------------------------------------------------------
// 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") );
return true;
}
-void wxTreeCtrl::DoSetItem(wxTreeViewItem* tvItem)
+void wxTreeCtrl::DoSetItem(wxTreeViewItem *tvItem)
{
if ( TreeView_SetItem(GetHwnd(), tvItem) == -1 )
{
}
}
-size_t wxTreeCtrl::GetCount() const
+unsigned int wxTreeCtrl::GetCount() const
{
- return (size_t)TreeView_GetCount(GetHwnd());
+ return (unsigned int)TreeView_GetCount(GetHwnd());
}
unsigned int wxTreeCtrl::GetIndent() const
TreeView_SetIndent(GetHwnd(), indent);
}
-wxImageList *wxTreeCtrl::GetImageList() const
-{
- return m_imageListNormal;
-}
-
-wxImageList *wxTreeCtrl::GetStateImageList() const
-{
- return m_imageListState;
-}
-
void wxTreeCtrl::SetAnyImageList(wxImageList *imageList, int which)
{
// no error return
- TreeView_SetImageList(GetHwnd(),
- imageList ? imageList->GetHIMAGELIST() : 0,
- which);
+ (void) TreeView_SetImageList(GetHwnd(),
+ imageList ? imageList->GetHIMAGELIST() : 0,
+ which);
}
void wxTreeCtrl::SetImageList(wxImageList *imageList)
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,
bool recursively) const
{
// 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") );
}
}
-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);
- }
+ wxTreeItemParam *param = GetItemParam(item);
- UINT mask;
- switch ( which )
- {
- default:
- wxFAIL_MSG( wxT("unknown tree item image type") );
-
- 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);
-
- 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?") );
-
- SetItemData(item, data);
-}
-
-bool wxTreeCtrl::HasIndirectData(const wxTreeItemId& item) const
-{
- // query the item itself
- wxTreeViewItem tvItem(item, TVIF_PARAM);
- if ( !DoGetItem(&tvItem) )
- {
- return false;
- }
+ wxTreeItemParam *param = GetItemParam(item);
- wxTreeItemData *data = (wxTreeItemData *)tvItem.lParam;
+ wxCHECK_RET( param, wxT("failed to change tree items data") );
- return data && IsDataIndirect(data);
+ param->SetData(data);
}
void wxTreeCtrl::SetItemHasChildren(const wxTreeItemId& item, bool has)
// Usual operations
// ----------------------------------------------------------------------------
-wxTreeItemId wxTreeCtrl::DoInsertItem(const wxTreeItemId& parent,
- wxTreeItemId hInsertAfter,
- const wxString& text,
- int image, int selectedImage,
- wxTreeItemData *data)
+wxTreeItemId wxTreeCtrl::DoInsertAfter(const wxTreeItemId& parent,
+ const wxTreeItemId& hInsertAfter,
+ const wxString& text,
+ int image, int selectedImage,
+ wxTreeItemData *data)
{
wxCHECK_MSG( parent.IsOk() || !TreeView_GetRoot(GetHwnd()),
wxTreeItemId(),
tvIns.item.cchTextMax = 0;
}
- if ( image != -1 )
- {
- mask |= TVIF_IMAGE;
- tvIns.item.iImage = image;
+ // create the param which will store the other item parameters
+ wxTreeItemParam *param = new wxTreeItemParam;
- if ( selectedImage == -1 )
- {
- // take the same image for selected icon if not specified
- selectedImage = image;
- }
- }
+ // 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 ( selectedImage != -1 )
- {
- mask |= TVIF_SELECTEDIMAGE;
- tvIns.item.iSelectedImage = selectedImage;
- }
-
- 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);
}
// for compatibility only
#if WXWIN_COMPATIBILITY_2_4
-wxTreeItemId wxTreeCtrl::InsertItem(const wxTreeItemId& parent,
- const wxString& text,
- int image, int selImage,
- long insertAfter)
-{
- return DoInsertItem(parent, wxTreeItemId((void *)insertAfter), text,
- image, selImage, NULL);
-}
-
-wxImageList *wxTreeCtrl::GetImageList(int) const
-{
- return GetImageList();
-}
-
void wxTreeCtrl::SetImageList(wxImageList *imageList, int)
{
SetImageList(imageList);
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;
}
- return DoInsertItem(wxTreeItemId(), wxTreeItemId(),
- text, image, selectedImage, data);
-}
-
-wxTreeItemId wxTreeCtrl::PrependItem(const wxTreeItemId& parent,
- const wxString& text,
- int image, int selectedImage,
- wxTreeItemData *data)
-{
- return DoInsertItem(parent, TVI_FIRST,
- text, image, selectedImage, data);
-}
-
-wxTreeItemId wxTreeCtrl::InsertItem(const wxTreeItemId& parent,
- const wxTreeItemId& idPrevious,
- const wxString& text,
- int image, int selectedImage,
- wxTreeItemData *data)
-{
- return DoInsertItem(parent, idPrevious, text, image, selectedImage, data);
+ return DoInsertAfter(wxTreeItemId(), wxTreeItemId(),
+ text, image, selectedImage, data);
}
-wxTreeItemId wxTreeCtrl::InsertItem(const wxTreeItemId& parent,
- size_t index,
- const wxString& text,
- int image, int selectedImage,
- wxTreeItemData *data)
+wxTreeItemId wxTreeCtrl::DoInsertItem(const wxTreeItemId& parent,
+ size_t index,
+ const wxString& text,
+ int image, int selectedImage,
+ wxTreeItemData *data)
{
- // find the item from index
- wxTreeItemIdValue cookie;
- wxTreeItemId idPrev, idCur = GetFirstChild(parent, cookie);
- while ( index != 0 && idCur.IsOk() )
+ wxTreeItemId idPrev;
+ if ( index == (size_t)-1 )
{
- index--;
-
- idPrev = idCur;
- idCur = GetNextChild(parent, cookie);
+ // special value: append to the end
+ idPrev = TVI_LAST;
}
+ else // find the item from index
+ {
+ wxTreeItemIdValue cookie;
+ wxTreeItemId idCur = GetFirstChild(parent, cookie);
+ while ( index != 0 && idCur.IsOk() )
+ {
+ index--;
- // 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") );
+ idPrev = idCur;
+ idCur = GetNextChild(parent, cookie);
+ }
- return DoInsertItem(parent, idPrev, text, image, selectedImage, data);
-}
+ // 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") );
+ }
-wxTreeItemId wxTreeCtrl::AppendItem(const wxTreeItemId& parent,
- const wxString& text,
- int image, int selectedImage,
- wxTreeItemData *data)
-{
- return DoInsertItem(parent, TVI_LAST,
- text, image, selectedImage, data);
+ return DoInsertAfter(parent, idPrev, text, image, selectedImage, data);
}
void wxTreeCtrl::Delete(const wxTreeItemId& item)
size_t nCount = children.Count();
for ( size_t n = 0; n < nCount; n++ )
{
- if ( !TreeView_DeleteItem(GetHwnd(), HITEM_PTR(children[n])) )
+ if ( !TreeView_DeleteItem(GetHwnd(), HITEM(children[n])) )
{
wxLogLastError(wxT("TreeView_DeleteItem"));
}
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),
- wxT("Can't expand/collapse hidden root node!") )
+ wxCHECK_RET( !IsHiddenRoot(item),
+ wxT("Can't expand/collapse hidden root node!") );
// TreeView_Expand doesn't send TVN_ITEMEXPAND(ING) messages, so we must
// emulate them. This behaviour has changed slightly with comctl32.dll
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
for ( size_t n = 0; n < count; n++ )
{
#if wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE
- SetItemCheck(HITEM_PTR(selections[n]), false);
+ SetItemCheck(HITEM(selections[n]), false);
#else // !wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE
- ::UnselectItem(GetHwnd(), HITEM_PTR(selections[n]));
+ ::UnselectItem(GetHwnd(), HITEM(selections[n]));
#endif // wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE/!wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE
}
// 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)) )
}
}
-void wxTreeCtrl::UnselectItem(const wxTreeItemId& item)
-{
- SelectItem(item, false);
-}
-
-void wxTreeCtrl::ToggleItemSelection(const wxTreeItemId& item)
-{
- SelectItem(item, !IsSelected(item));
-}
-
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));
}
}
}
-wxTextCtrl* wxTreeCtrl::EditLabel(const wxTreeItemId& item,
- wxClassInfo* textControlClass)
+wxTextCtrl *wxTreeCtrl::EditLabel(const wxTreeItemId& item,
+ wxClassInfo *textControlClass)
{
wxASSERT( textControlClass->IsKindOf(CLASSINFO(wxTextCtrl)) );
DeleteTextCtrl();
}
-wxTreeItemId wxTreeCtrl::HitTest(const wxPoint& point, int& flags)
+wxTreeItemId wxTreeCtrl::DoTreeHitTest(const wxPoint& point, int& flags) const
{
TV_HITTESTINFO hitTestInfo;
hitTestInfo.pt.x = (int)point.x;
hitTestInfo.pt.y = (int)point.y;
- TreeView_HitTest(GetHwnd(), &hitTestInfo);
+ (void) TreeView_HitTest(GetHwnd(), &hitTestInfo);
flags = 0;
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,
wxTreeCtrl *tree = (wxTreeCtrl *)htree;
- return tree->OnCompareItems(GetIdFromData(tree, pItem1),
- GetIdFromData(tree, pItem2));
-}
-
-int wxTreeCtrl::OnCompareItems(const wxTreeItemId& item1,
- const wxTreeItemId& item2)
-{
- return wxStrcmp(GetItemText(item1), GetItemText(item2));
+ return tree->OnCompareItems(GetIdFromData(pItem1),
+ GetIdFromData(pItem2));
}
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);
// 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 )
// 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;
y = GET_Y_LPARAM(lParam);
HTREEITEM htItem = GetItemFromPoint(GetHwnd(), x, y);
+ TV_HITTESTINFO tvht;
+ tvht.pt.x = x;
+ tvht.pt.y = y;
+
+ (void) TreeView_HitTest(GetHwnd(), &tvht);
+
switch ( nMsg )
{
case WM_RBUTTONDOWN:
#if !wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE
case WM_LBUTTONDOWN:
- if ( htItem && isMultiple )
+ if ( htItem && isMultiple && (tvht.flags & TVHT_ONITEM) != 0 )
{
+ m_htClickedItem = (WXHTREEITEM) htItem;
+ m_ptClick = wxPoint(x, y);
+
if ( wParam & MK_CONTROL )
{
SetFocus();
m_htSelStart = TreeView_GetSelection(GetHwnd());
}
- SelectRange(GetHwnd(), HITEM(m_htSelStart), htItem,
+ if ( m_htSelStart )
+ SelectRange(GetHwnd(), HITEM(m_htSelStart), htItem,
!(wParam & MK_CONTROL));
+ else
+ ::SelectItem(GetHwnd(), htItem);
::SetFocus(GetHwnd(), htItem);
// avoid doing anything if we click on the only
// currently selected item
+ SetFocus();
+
wxArrayTreeItemIds selections;
size_t count = GetSelections(selections);
if ( count == 0 ||
count > 1 ||
- HITEM_PTR(selections[0]) != htItem )
+ HITEM(selections[0]) != htItem )
{
// clear the previously selected items, if the
// user clicked outside of the present selection.
// otherwise, perform the deselection on mouse-up.
// this allows multiple drag and drop to work.
- if (IsItemSelected(GetHwnd(), htItem))
- {
- ::SetFocus(GetHwnd(), htItem);
- }
- else
+ if (!IsItemSelected(GetHwnd(), htItem))
{
UnselectAll();
TreeView_SelectItem(GetHwnd(), 0);
::SelectItem(GetHwnd(), htItem);
}
+ ::SetFocus(GetHwnd(), htItem);
+ processed = true;
}
// reset on any click without Shift
#endif // wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE
case WM_MOUSEMOVE:
+#ifndef __WXWINCE__
+ if ( m_htClickedItem )
+ {
+ int cx = abs(m_ptClick.x - x);
+ int cy = abs(m_ptClick.y - y);
+
+ if ( cx > GetSystemMetrics( SM_CXDRAG ) || cy > GetSystemMetrics( SM_CYDRAG ) )
+ {
+ HWND pWnd = ::GetParent( GetHwnd() );
+ if ( pWnd )
+ {
+ NM_TREEVIEW tv;
+
+ tv.hdr.hwndFrom = GetHwnd();
+ tv.hdr.idFrom = ::GetWindowLong( GetHwnd(), GWL_ID );
+ tv.hdr.code = TVN_BEGINDRAG;
+
+ tv.itemNew.hItem = HITEM(m_htClickedItem);
+
+ TVITEM tviAux;
+ ZeroMemory(&tviAux, sizeof(tviAux));
+ tviAux.hItem = HITEM(m_htClickedItem);
+ tviAux.mask = TVIF_STATE | TVIF_PARAM;
+ tviAux.stateMask = 0xffffffff;
+ TreeView_GetItem( GetHwnd(), &tviAux );
+
+ tv.itemNew.state = tviAux.state;
+ tv.itemNew.lParam = tviAux.lParam;
+
+ tv.ptDrag.x = x;
+ tv.ptDrag.y = y;
+
+ ::SendMessage( pWnd, WM_NOTIFY, tv.hdr.idFrom, (LPARAM)&tv );
+ }
+ m_htClickedItem.Unset();
+ }
+ }
+#endif // __WXWINCE__
+
if ( m_dragImage )
{
m_dragImage->Move(wxPoint(x, y));
{
UnselectAll();
TreeView_SelectItem(GetHwnd(), htItem);
+ ::SelectItem(GetHwnd(), htItem);
+ ::SetFocus(GetHwnd(), htItem);
}
+ m_htClickedItem.Unset();
}
// fall through
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
{
// TreeView_GetItemRect() will return false if item is not visible,
// which may happen perfectly well
- if ( TreeView_GetItemRect(GetHwnd(), HITEM_PTR(selections[n]),
+ if ( TreeView_GetItemRect(GetHwnd(), HITEM(selections[n]),
&rect, TRUE) )
{
::InvalidateRect(GetHwnd(), &rect, FALSE);
// 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;
case TVN_ITEMEXPANDING:
case TVN_ITEMEXPANDED:
{
- NM_TREEVIEW* tv = (NM_TREEVIEW*)lParam;
+ NM_TREEVIEW *tv = (NM_TREEVIEW*)lParam;
int what;
switch ( tv->action )
// fabricate the lParam and wParam parameters sufficiently
// similar to the ones from a "real" WM_KEYDOWN so that
// CreateKeyEvent() works correctly
- WXLPARAM lParam =
- (::GetKeyState(VK_MENU) < 0 ? KF_ALTDOWN : 0) << 16;
+ const bool isAltDown = ::GetKeyState(VK_MENU) < 0;
+ WXLPARAM lParam = (isAltDown ? KF_ALTDOWN : 0) << 16;
WXWPARAM wParam = info->wVKey;
- int keyCode = wxCharCodeMSWToWX(info->wVKey);
+ int keyCode = wxCharCodeMSWToWX(wParam);
if ( !keyCode )
{
// wxCharCodeMSWToWX() returns 0 to indicate that this is a
wParam);
// a separate event for Space/Return
- if ( !wxIsCtrlDown() && !wxIsShiftDown() &&
+ 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;
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;
}
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() )
// 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() )
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
// 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
}
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);
// 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);
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
);
if ( info->item.mask & TVIF_SELECTEDIMAGE )
{
info->item.iSelectedImage =
- DoGetItemImageFromData
+ param->GetImage
(
- item,
IsExpanded(item) ? wxTreeItemIcon_SelectedExpanded
: wxTreeItemIcon_Selected
);
return STATEIMAGEMASKTOINDEX(tvi.state);
}
-#if WXWIN_COMPATIBILITY_2_2
-
-wxTreeItemId wxTreeCtrl::GetParent(const wxTreeItemId& item) const
-{
- return GetItemParent( item );
-}
-
-#endif // WXWIN_COMPATIBILITY_2_2
-
#endif // wxUSE_TREECTRL
-
projects / wxWidgets.git / blobdiff