#pragma hdrstop
#endif
-#include "wx/window.h"
#include "wx/msw/private.h"
// Mingw32 is a bit mental even though this is done in winundef
#include "wx/dynarray.h"
#include "wx/imaglist.h"
#include "wx/treectrl.h"
+#include "wx/settings.h"
-#ifdef __GNUWIN32__
-#ifndef wxUSE_NORLANDER_HEADERS
-#include "wx/msw/gnuwin32/extra.h"
-#endif
+#include "wx/msw/dragimag.h"
+
+#ifdef __GNUWIN32_OLD__
+ #include "wx/msw/gnuwin32/extra.h"
#endif
-#if (defined(__WIN95__) && !defined(__GNUWIN32__)) || defined(__TWIN32__) || defined(wxUSE_NORLANDER_HEADERS)
+#if defined(__WIN95__) && !(defined(__GNUWIN32_OLD__) || defined(__TWIN32__))
#include <commctrl.h>
#endif
#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
}
};
+#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
class wxTreeTraversal
const wxTreeCtrl *m_tree;
};
+// internal class for getting the selected items
+class TraverseSelections : public wxTreeTraversal
+{
+public:
+ TraverseSelections(const wxTreeCtrl *tree,
+ wxArrayTreeItemIds& selections)
+ : wxTreeTraversal(tree), m_selections(selections)
+ {
+ m_selections.Empty();
+
+ DoTraverse(tree->GetRootItem());
+ }
+
+ virtual bool OnVisit(const wxTreeItemId& item)
+ {
+ if ( GetTree()->IsItemChecked(item) )
+ {
+ m_selections.Add(item);
+ }
+
+ return TRUE;
+ }
+
+ size_t GetCount() const { return m_selections.GetCount(); }
+
+private:
+ wxArrayTreeItemIds& m_selections;
+};
+
+// internal class for counting tree items
+class TraverseCounter : public wxTreeTraversal
+{
+public:
+ TraverseCounter(const wxTreeCtrl *tree,
+ const wxTreeItemId& root,
+ bool recursively)
+ : wxTreeTraversal(tree)
+ {
+ m_count = 0;
+
+ DoTraverse(root, recursively);
+ }
+
+ virtual bool OnVisit(const wxTreeItemId& item)
+ {
+ m_count++;
+
+ return TRUE;
+ }
+
+ size_t GetCount() const { return m_count; }
+
+private:
+ size_t m_count;
+};
+
+// ----------------------------------------------------------------------------
+// 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 have to maintain a list of all items which
+// have indirect data inside the listctrl itself.
+// ----------------------------------------------------------------------------
+
+class wxTreeItemIndirectData
+{
+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);
+ }
+
+ // dtor deletes the associated data as well
+ ~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];
+
+ wxTreeItemData *m_data;
+};
+
+// ----------------------------------------------------------------------------
+// private functions
+// ----------------------------------------------------------------------------
+
+static HTREEITEM GetItemFromPoint(HWND hwndTV, int x, int y)
+{
+ TV_HITTESTINFO tvht;
+ tvht.pt.x = x;
+ tvht.pt.y = y;
+
+ // TreeView_HitTest() doesn't do the right cast in mingw32 headers
+ return (HTREEITEM)TreeView_HitTest(hwndTV, &tvht);
+}
+
// ----------------------------------------------------------------------------
// macros
// ----------------------------------------------------------------------------
-#if !USE_SHARED_LIBRARY
- IMPLEMENT_DYNAMIC_CLASS(wxTreeCtrl, wxControl)
-#endif
+IMPLEMENT_DYNAMIC_CLASS(wxTreeCtrl, wxControl)
// ----------------------------------------------------------------------------
// variables
m_imageListNormal = NULL;
m_imageListState = NULL;
m_textCtrl = NULL;
+ m_hasAnyAttr = FALSE;
+ m_dragImage = NULL;
}
bool wxTreeCtrl::Create(wxWindow *parent,
if ( m_windowStyle & wxTR_LINES_AT_ROOT )
wstyle |= TVS_LINESATROOT;
-#if !defined( __GNUWIN32__ ) && !defined(wxUSE_NORLANDER_HEADERS)
+#if !defined( __GNUWIN32_OLD__ ) && \
+ !defined( __BORLANDC__ ) && \
+ !defined( __WATCOMC__ ) && \
+ (!defined(__VISUALC__) || (__VISUALC__ > 1010))
+
+#ifndef TVS_CHECKBOXES
+#define TVS_CHECKBOXES 0x0100
+#endif
+
// 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 ( m_windowStyle & wxTR_MULTIPLE )
if ( !MSWCreateControl(WC_TREEVIEW, wstyle) )
return FALSE;
- // the treectrl with any other background looks ugly because the items
- // background is white anyhow
- SetBackgroundColour(*wxWHITE);
+ SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW));
+ SetForegroundColour(wxWindow::GetParent()->GetForegroundColour());
// VZ: this is some experimental code which may be used to get the
// TVS_CHECKBOXES style functionality for comctl32.dll < 4.71.
DFC_BUTTON,
DFCS_BUTTONCHECK | DFCS_CHECKED) )
{
- wxLogLastError(_T("DrawFrameControl(check)"));
+ wxLogLastError(wxT("DrawFrameControl(check)"));
}
bmp.SetHBITMAP((WXHBITMAP)hbmpCheck);
DFC_BUTTON,
DFCS_BUTTONCHECK) )
{
- wxLogLastError(_T("DrawFrameControl(uncheck)"));
+ wxLogLastError(wxT("DrawFrameControl(uncheck)"));
}
bmp.SetHBITMAP((WXHBITMAP)hbmpCheck);
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
SetAnyImageList(m_imageListState = imageList, TVSIL_STATE);
}
-// internal class for counting tree items
-
-class TraverseCounter : public wxTreeTraversal
+size_t wxTreeCtrl::GetChildrenCount(const wxTreeItemId& item,
+ bool recursively) const
{
-public:
- TraverseCounter(const wxTreeCtrl *tree,
- const wxTreeItemId& root,
- bool recursively)
- : wxTreeTraversal(tree)
- {
- m_count = 0;
+ TraverseCounter counter(this, item, recursively);
- DoTraverse(root, recursively);
- }
+ return counter.GetCount() - 1;
+}
- virtual bool OnVisit(const wxTreeItemId& item)
- {
- m_count++;
+// ----------------------------------------------------------------------------
+// control colours
+// ----------------------------------------------------------------------------
- return TRUE;
- }
+bool wxTreeCtrl::SetBackgroundColour(const wxColour &colour)
+{
+ if ( !wxWindowBase::SetBackgroundColour(colour) )
+ return FALSE;
- size_t GetCount() const { return m_count; }
-
-private:
- size_t m_count;
-};
+ SendMessage(GetHwnd(), TVM_SETBKCOLOR, 0, colour.GetPixel());
+ return TRUE;
+}
-size_t wxTreeCtrl::GetChildrenCount(const wxTreeItemId& item,
- bool recursively) const
+bool wxTreeCtrl::SetForegroundColour(const wxColour &colour)
{
- TraverseCounter counter(this, item, recursively);
+ if ( !wxWindowBase::SetForegroundColour(colour) )
+ return FALSE;
- return counter.GetCount();
+ SendMessage(GetHwnd(), TVM_SETTEXTCOLOR, 0, colour.GetPixel());
+
+ return TRUE;
}
// ----------------------------------------------------------------------------
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);
DoSetItem(&tvItem);
}
+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)
DoSetItem(&tvItem);
}
-int wxTreeCtrl::GetItemImage(const wxTreeItemId& item) const
+int wxTreeCtrl::GetItemImage(const wxTreeItemId& item,
+ wxTreeItemIcon which) const
{
- wxTreeViewItem tvItem(item, TVIF_IMAGE);
- DoGetItem(&tvItem);
+ if ( HasIndirectData(item) )
+ {
+ return DoGetItemImageFromData(item, which);
+ }
- return tvItem.iImage;
-}
+ UINT mask;
+ switch ( which )
+ {
+ default:
+ wxFAIL_MSG( wxT("unknown tree item image type") );
-void wxTreeCtrl::SetItemImage(const wxTreeItemId& item, int image)
-{
- // 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, image, GetItemSelectedImage(item));
-}
+ case wxTreeItemIcon_Normal:
+ mask = TVIF_IMAGE;
+ break;
-int wxTreeCtrl::GetItemSelectedImage(const wxTreeItemId& item) const
-{
- wxTreeViewItem tvItem(item, TVIF_SELECTEDIMAGE);
+ case wxTreeItemIcon_Selected:
+ mask = TVIF_SELECTEDIMAGE;
+ break;
+
+ case wxTreeItemIcon_Expanded:
+ case wxTreeItemIcon_SelectedExpanded:
+ return -1;
+ }
+
+ wxTreeViewItem tvItem(item, mask);
DoGetItem(&tvItem);
- return tvItem.iSelectedImage;
+ return mask == TVIF_IMAGE ? tvItem.iImage : tvItem.iSelectedImage;
}
-void wxTreeCtrl::SetItemSelectedImage(const wxTreeItemId& item, int image)
+void wxTreeCtrl::SetItemImage(const wxTreeItemId& item, int image,
+ wxTreeItemIcon which)
{
+ int imageNormal, imageSel;
+ switch ( which )
+ {
+ default:
+ wxFAIL_MSG( wxT("unknown tree item image type") );
+
+ case wxTreeItemIcon_Normal:
+ imageNormal = image;
+ imageSel = GetItemSelectedImage(item);
+ 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 = GetItemSelectedImage(item);
+
+ // 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);
+
+ // 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;
+ }
+
// 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, GetItemImage(item), image);
+ DoSetItemImages(item, imageNormal, imageSel);
}
wxTreeItemData *wxTreeCtrl::GetItemData(const wxTreeItemId& item) const
return NULL;
}
- return (wxTreeItemData *)tvItem.lParam;
+ if ( HasIndirectData(item) )
+ {
+ return ((wxTreeItemIndirectData *)tvItem.lParam)->GetData();
+ }
+ else
+ {
+ return (wxTreeItemData *)tvItem.lParam;
+ }
}
void wxTreeCtrl::SetItemData(const wxTreeItemId& item, wxTreeItemData *data)
{
wxTreeViewItem tvItem(item, TVIF_PARAM);
- tvItem.lParam = (LPARAM)data;
- DoSetItem(&tvItem);
+
+ 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, (wxTreeItemData *)data);
+
+ m_itemsWithIndirectData.Add(item);
+}
+
+bool wxTreeCtrl::HasIndirectData(const wxTreeItemId& item) const
+{
+ return m_itemsWithIndirectData.Index(item) != wxNOT_FOUND;
}
void wxTreeCtrl::SetItemHasChildren(const wxTreeItemId& item, bool has)
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
// ----------------------------------------------------------------------------
{
// 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;
}
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()));
}
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));
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));
DoSetItem(&tvItem);
}
-// internal class for getting the selected
-
-class TraverseSelections : public wxTreeTraversal
-{
-public:
- TraverseSelections(const wxTreeCtrl *tree,
- wxArrayTreeItemIds& selections)
- : wxTreeTraversal(tree), m_selections(selections)
- {
- m_selections.Empty();
-
- DoTraverse(tree->GetRootItem());
- }
-
- virtual bool OnVisit(const wxTreeItemId& item)
- {
- if ( GetTree()->IsItemChecked(item) )
- {
- m_selections.Add(item);
- }
-
- return TRUE;
- }
-
-private:
- wxArrayTreeItemIds& m_selections;
-};
-
size_t wxTreeCtrl::GetSelections(wxArrayTreeItemIds& selections) const
{
TraverseSelections selector(this, selections);
- return selections.GetCount();
+ return selector.GetCount();
}
// ----------------------------------------------------------------------------
tvIns.hParent = (HTREEITEM) (WXHTREEITEM)parent;
tvIns.hInsertAfter = (HTREEITEM) (WXHTREEITEM) hInsertAfter;
- // This is how we insert the item as the first child: supply a NULL hInsertAfter
- if (tvIns.hInsertAfter == (HTREEITEM) 0)
+ // this is how we insert the item as the first child: supply a NULL
+ // hInsertAfter
+ if ( !tvIns.hInsertAfter )
{
tvIns.hInsertAfter = TVI_FIRST;
}
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,
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
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));
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());
}
return TRUE;
}
+// we hook into WndProc to process WM_MOUSEMOVE/WM_BUTTONUP messages - as we
+// only do it during dragging, minimize wxWin overhead (this is important for
+// WM_MOUSEMOVE as they're a lot of them) by catching Windows messages directly
+// instead of passing by wxWin events
+long wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
+{
+ if ( m_dragImage )
+ {
+ switch ( nMsg )
+ {
+ case WM_MOUSEMOVE:
+ {
+ int x = GET_X_LPARAM(lParam),
+ y = GET_Y_LPARAM(lParam);
+
+ m_dragImage->Move(wxPoint(x, y), this);
+
+ HTREEITEM htiTarget = GetItemFromPoint(GetHwnd(), x, y);
+ if ( htiTarget )
+ {
+ // highlight the item as target (hiding drag image is
+ // necessary - otherwise the display will be corrupted)
+ m_dragImage->Hide(this);
+ TreeView_SelectDropTarget(GetHwnd(), htiTarget);
+ m_dragImage->Show(this);
+ }
+ }
+ break;
+
+ case WM_LBUTTONUP:
+ case WM_RBUTTONUP:
+ {
+ m_dragImage->EndDrag(this);
+ delete m_dragImage;
+ m_dragImage = NULL;
+
+ // generate the drag end event
+ wxTreeEvent event(wxEVT_COMMAND_TREE_END_DRAG, m_windowId);
+
+ int x = GET_X_LPARAM(lParam),
+ y = GET_Y_LPARAM(lParam);
+
+ event.m_item
+ = (WXHTREEITEM)GetItemFromPoint(GetHwnd(), x, y);
+ event.m_pointDrag = wxPoint(x, y);
+ event.SetEventObject(this);
+
+ (void)GetEventHandler()->ProcessEvent(event);
+ }
+ break;
+ }
+ }
+
+ return wxControl::MSWWindowProc(nMsg, wParam, lParam);
+}
+
// process WM_NOTIFY Windows message
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
event.m_item = (WXHTREEITEM) tv->itemNew.hItem;
event.m_pointDrag = wxPoint(tv->ptDrag.x, tv->ptDrag.y);
- break;
+
+ // don't allow dragging by default: the user code must
+ // explicitly say that it wants to allow it to avoid breaking
+ // the old apps
+ event.Veto();
}
+ break;
case TVN_BEGINLABELEDIT:
{
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:
{
event.m_item = (WXHTREEITEM)info->item.hItem;
event.m_label = info->item.pszText;
+ if (info->item.pszText == NULL)
+ return FALSE;
break;
}
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:
{
GetEventHandler()->ProcessEvent(event2);
}
- break;
}
+ break;
case TVN_SELCHANGED:
eventType = wxEVT_COMMAND_TREE_SEL_CHANGED;
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);
// post processing
switch ( hdr->code )
{
+ case TVN_BEGINDRAG:
+ case TVN_BEGINRDRAG:
+ if ( event.IsAllowed() )
+ {
+ // normally this is impossible because the m_dragImage is
+ // deleted once the drag operation is over
+ wxASSERT_MSG( !m_dragImage, _T("starting to drag once again?") );
+
+ m_dragImage = new wxDragImage(*this, event.m_item);
+ m_dragImage->BeginDrag(wxPoint(0, 0), this);
+ m_dragImage->Show(this);
+ }
+ break;
+
case TVN_DELETEITEM:
{
// NB: we might process this message using wxWindows event
// prefer to do it here ourself (otherwise deleting a tree
// with many items is just too slow)
NM_TREEVIEW* tv = (NM_TREEVIEW *)lParam;
- wxTreeItemData *data = (wxTreeItemData *)tv->itemOld.lParam;
- delete data; // may be NULL, ok
+
+ wxTreeItemId item = event.m_item;
+ if ( HasIndirectData(item) )
+ {
+ wxTreeItemIndirectData *data = (wxTreeItemIndirectData *)
+ tv->itemOld.lParam;
+ delete data; // can't be NULL here
+
+ m_itemsWithIndirectData.Remove(item);
+ }
+ else
+ {
+ wxTreeItemData *data = (wxTreeItemData *)tv->itemOld.lParam;
+ delete data; // may be NULL, ok
+ }
processed = TRUE; // Make sure we don't get called twice
}
*result = !event.IsAllowed();
break;
+ 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 )
+ {
+ wxTreeItemId item = event.m_item;
+ TV_DISPINFO *info = (TV_DISPINFO *)lParam;
+ if ( info->item.mask & TVIF_IMAGE )
+ {
+ info->item.iImage =
+ DoGetItemImageFromData
+ (
+ item,
+ IsExpanded(item) ? wxTreeItemIcon_Expanded
+ : wxTreeItemIcon_Normal
+ );
+ }
+ if ( info->item.mask & TVIF_SELECTEDIMAGE )
+ {
+ info->item.iSelectedImage =
+ DoGetItemImageFromData
+ (
+ item,
+ IsExpanded(item) ? wxTreeItemIcon_SelectedExpanded
+ : wxTreeItemIcon_Selected
+ );
+ }
+ }
+ break;
+
//default:
// for the other messages the return value is ignored and there is
// nothing special to do
projects / wxWidgets.git / blobdiff