#include "wx/msw/gnuwin32/extra.h"
#endif
-#if defined(__WIN95__) && !((defined(__GNUWIN32_OLD__) || defined(__TWIN32__)) && !defined(__CYGWIN10__))
+#if defined(__WIN95__) && !(defined(__GNUWIN32_OLD__) && !defined(__CYGWIN10__))
#include <commctrl.h>
#endif
return (tvi.state & TVIS_SELECTED) != 0;
}
-static void SelectItem(HWND hwndTV, HTREEITEM hItem, bool select = TRUE)
+static void SelectItem(HWND hwndTV, HTREEITEM hItem, bool select = true)
{
TV_ITEM tvi;
tvi.mask = TVIF_STATE | TVIF_HANDLE;
static inline void UnselectItem(HWND hwndTV, HTREEITEM htItem)
{
- SelectItem(hwndTV, htItem, FALSE);
+ SelectItem(hwndTV, htItem, false);
}
static inline void ToggleItemSelection(HWND hwndTV, HTREEITEM htItem)
static void SelectRange(HWND hwndTV,
HTREEITEM htFirst,
HTREEITEM htLast,
- bool unselectOthers = TRUE)
+ bool unselectOthers = true)
{
// find the first (or last) item and select it
- bool cont = TRUE;
+ bool cont = true;
HTREEITEM htItem = (HTREEITEM)TreeView_GetRoot(hwndTV);
while ( htItem && cont )
{
SelectItem(hwndTV, htItem);
}
- cont = FALSE;
+ cont = false;
}
else
{
private:
wxTreeItemData *m_data;
+
+ DECLARE_NO_COPY_CLASS(wxVirtualNode)
};
#ifdef __VISUALC__
// a macro to get the virtual root, returns NULL if none
#define GET_VIRTUAL_ROOT() ((wxVirtualNode *)m_pVirtualRoot)
-// returns TRUE if the item is the virtual root
+// returns true if the item is the virtual root
#define IS_VIRTUAL_ROOT(item) (HITEM(item) == TVI_ROOT)
// a class which encapsulates the tree traversal logic: it vists all (unless
-// OnVisit() returns FALSE) items under the given one
+// OnVisit() returns false) items under the given one
class wxTreeTraversal
{
public:
}
// 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
- bool DoTraverse(const wxTreeItemId& root, bool recursively = TRUE);
+ // given one; return true if all items were traversed or false if the
+ // traversal was aborted because OnVisit returned false
+ bool DoTraverse(const wxTreeItemId& root, bool recursively = true);
// override this function to do whatever is needed for each item, return
- // FALSE to stop traversing
+ // false to stop traversing
virtual bool OnVisit(const wxTreeItemId& item) = 0;
protected:
bool Traverse(const wxTreeItemId& root, bool recursively);
const wxTreeCtrl *m_tree;
+
+ DECLARE_NO_COPY_CLASS(wxTreeTraversal)
};
// internal class for getting the selected items
// can't visit a virtual node.
if ( (GetTree()->GetRootItem() == item) && (GetTree()->GetWindowStyle() & wxTR_HIDE_ROOT))
{
- return TRUE;
+ return true;
}
#if wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE
m_selections.Add(item);
}
- return TRUE;
+ return true;
}
size_t GetCount() const { return m_selections.GetCount(); }
{
m_count++;
- return TRUE;
+ return true;
}
size_t GetCount() const { return m_count; }
// the real client data
wxTreeItemData *m_data;
+
+ DECLARE_NO_COPY_CLASS(wxTreeItemIndirectData)
};
// ----------------------------------------------------------------------------
bool wxTreeTraversal::DoTraverse(const wxTreeItemId& root, bool recursively)
{
if ( !OnVisit(root) )
- return FALSE;
+ return false;
return Traverse(root, recursively);
}
while ( child.IsOk() )
{
// depth first traversal
- if ( recursively && !Traverse(child, TRUE) )
- return FALSE;
+ if ( recursively && !Traverse(child, true) )
+ return false;
if ( !OnVisit(child) )
- return FALSE;
+ return false;
child = m_tree->GetNextChild(root, cookie);
}
- return TRUE;
+ return true;
}
// ----------------------------------------------------------------------------
{
m_imageListNormal = NULL;
m_imageListState = NULL;
- m_ownsImageListNormal = m_ownsImageListState = FALSE;
+ m_ownsImageListNormal = m_ownsImageListState = false;
m_textCtrl = NULL;
- m_hasAnyAttr = FALSE;
+ m_hasAnyAttr = false;
m_dragImage = NULL;
m_htSelStart = 0;
m_pVirtualRoot = NULL;
{
Init();
- if ( !CreateControl(parent, id, pos, size, style, validator, name) )
- return FALSE;
+ if ( (style & wxBORDER_MASK) == wxBORDER_DEFAULT )
+ style |= wxBORDER_SUNKEN;
- DWORD wstyle = WS_VISIBLE | WS_CHILD | WS_TABSTOP |
- TVS_SHOWSELALWAYS;
+ if ( !CreateControl(parent, id, pos, size, style, validator, name) )
+ return false;
- if ( m_windowStyle & wxCLIP_SIBLINGS )
- wstyle |= WS_CLIPSIBLINGS;
+ DWORD exStyle = 0;
+ DWORD wstyle = MSWGetStyle(m_windowStyle, & exStyle);
+ wstyle |= WS_TABSTOP | TVS_SHOWSELALWAYS;
if ((m_windowStyle & wxTR_NO_LINES) == 0)
wstyle |= TVS_HASLINES;
// Create the tree control.
if ( !MSWCreateControl(WC_TREEVIEW, wstyle) )
- return FALSE;
+ return false;
#if wxUSE_COMCTL32_SAFELY
wxWindow::SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
// create a mono bitmap of the standard size
int x = GetSystemMetrics(SM_CXMENUCHECK);
int y = GetSystemMetrics(SM_CYMENUCHECK);
- wxImageList imagelistCheckboxes(x, y, FALSE, 2);
+ wxImageList imagelistCheckboxes(x, y, false, 2);
HBITMAP hbmpCheck = CreateBitmap(x, y, // bitmap size
1, // # of color planes
1, // # bits needed for one pixel
SetSize(pos.x, pos.y, size.x, size.y);
- return TRUE;
+ return true;
}
wxTreeCtrl::~wxTreeCtrl()
// delete any attributes
if ( m_hasAnyAttr )
{
- for ( wxNode *node = m_attrs.Next(); node; node = m_attrs.Next() )
+ for ( wxHashTable::compatibility_iterator node = m_attrs.Next();
+ node; node = m_attrs.Next() )
{
- delete (wxTreeItemAttr *)node->Data();
+ delete (wxTreeItemAttr *)node->GetData();
}
// prevent TVN_DELETEITEM handler from deleting the attributes again!
- m_hasAnyAttr = FALSE;
+ m_hasAnyAttr = false;
}
DeleteTextCtrl();
bool wxTreeCtrl::DoGetItem(wxTreeViewItem* tvItem) const
{
- wxCHECK_MSG( tvItem->hItem != TVI_ROOT, FALSE,
+ wxCHECK_MSG( tvItem->hItem != TVI_ROOT, false,
_T("can't retrieve virtual root item") );
if ( !TreeView_GetItem(GetHwnd(), tvItem) )
{
wxLogLastError(wxT("TreeView_GetItem"));
- return FALSE;
+ return false;
}
- return TRUE;
+ return true;
}
void wxTreeCtrl::DoSetItem(wxTreeViewItem* tvItem)
wxImageList *wxTreeCtrl::GetStateImageList() const
{
- return m_imageListNormal;
+ return m_imageListState;
}
void wxTreeCtrl::SetAnyImageList(wxImageList *imageList, int which)
delete m_imageListNormal;
SetAnyImageList(m_imageListNormal = imageList, TVSIL_NORMAL);
- m_ownsImageListNormal = FALSE;
+ m_ownsImageListNormal = false;
}
void wxTreeCtrl::SetStateImageList(wxImageList *imageList)
{
if (m_ownsImageListState) delete m_imageListState;
SetAnyImageList(m_imageListState = imageList, TVSIL_STATE);
- m_ownsImageListState = FALSE;
+ m_ownsImageListState = false;
}
void wxTreeCtrl::AssignImageList(wxImageList *imageList)
{
SetImageList(imageList);
- m_ownsImageListNormal = TRUE;
+ m_ownsImageListNormal = true;
}
void wxTreeCtrl::AssignStateImageList(wxImageList *imageList)
{
SetStateImageList(imageList);
- m_ownsImageListState = TRUE;
+ m_ownsImageListState = true;
}
size_t wxTreeCtrl::GetChildrenCount(const wxTreeItemId& item,
{
#if !wxUSE_COMCTL32_SAFELY
if ( !wxWindowBase::SetBackgroundColour(colour) )
- return FALSE;
+ return false;
SendMessage(GetHwnd(), TVM_SETBKCOLOR, 0, colour.GetPixel());
#endif
- return TRUE;
+ return true;
}
bool wxTreeCtrl::SetForegroundColour(const wxColour &colour)
{
#if !wxUSE_COMCTL32_SAFELY
if ( !wxWindowBase::SetForegroundColour(colour) )
- return FALSE;
+ return false;
SendMessage(GetHwnd(), TVM_SETTEXTCOLOR, 0, colour.GetPixel());
#endif
- return TRUE;
+ return true;
}
// ----------------------------------------------------------------------------
return;
}
- int imageNormal, imageSel;
+ int imageNormal,
+ imageSel;
+
switch ( which )
{
default:
wxFAIL_MSG( wxT("unknown tree item image type") );
+ // fall through
case wxTreeItemIcon_Normal:
- imageNormal = image;
- imageSel = GetItemSelectedImage(item);
+ {
+ const int imageNormalOld = GetItemImage(item);
+ const int imageSelOld = GetItemSelectedImage(item);
+
+ // 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:
wxTreeViewItem tvItem(item, TVIF_PARAM);
if ( !DoGetItem(&tvItem) )
{
- return FALSE;
+ return false;
}
wxTreeItemData *data = (wxTreeItemData *)tvItem.lParam;
void wxTreeCtrl::SetItemTextColour(const wxTreeItemId& item,
const wxColour& col)
{
- m_hasAnyAttr = TRUE;
+ m_hasAnyAttr = true;
long id = (long)(WXHTREEITEM)item;
wxTreeItemAttr *attr = (wxTreeItemAttr *)m_attrs.Get(id);
void wxTreeCtrl::SetItemBackgroundColour(const wxTreeItemId& item,
const wxColour& col)
{
- m_hasAnyAttr = TRUE;
+ m_hasAnyAttr = true;
long id = (long)(WXHTREEITEM)item;
wxTreeItemAttr *attr = (wxTreeItemAttr *)m_attrs.Get(id);
void wxTreeCtrl::SetItemFont(const wxTreeItemId& item, const wxFont& font)
{
- m_hasAnyAttr = TRUE;
+ m_hasAnyAttr = true;
long id = (long)(WXHTREEITEM)item;
wxTreeItemAttr *attr = (wxTreeItemAttr *)m_attrs.Get(id);
if ( item == wxTreeItemId(TVI_ROOT) )
{
// virtual (hidden) root is never visible
- return FALSE;
+ return false;
}
// Bug in Gnu-Win32 headers, so don't use the macro TreeView_GetItemRect
// 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;
+ // false means get item rect for the whole item, not only text
+ return SendMessage(GetHwnd(), TVM_GETITEMRECT, false, (LPARAM)&rect) != 0;
}
bool wxTreeCtrl::ItemHasChildren(const wxTreeItemId& item) const
return wxTreeItemId((WXHTREEITEM) TreeView_GetSelection(GetHwnd()));
}
-wxTreeItemId wxTreeCtrl::GetParent(const wxTreeItemId& item) const
+wxTreeItemId wxTreeCtrl::GetItemParent(const wxTreeItemId& item) const
{
HTREEITEM hItem;
void wxTreeCtrl::DeleteAllItems()
{
- // delete stored root item.
- delete GET_VIRTUAL_ROOT();
+ // delete the "virtual" root item.
+ if ( GET_VIRTUAL_ROOT() )
+ {
+ delete GET_VIRTUAL_ROOT();
+ m_pVirtualRoot = NULL;
+ }
+
+ // and all the real items
if ( !TreeView_DeleteAllItems(GetHwnd()) )
{
for ( size_t n = 0; n < count; n++ )
{
#if wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE
- SetItemCheck(selections[n], FALSE);
+ SetItemCheck(selections[n], false);
#else // !wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE
::UnselectItem(GetHwnd(), HITEM(selections[n]));
#endif // wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE/!wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE
HWND hWnd = (HWND) TreeView_EditLabel(GetHwnd(), HITEM(item));
// this is not an error - the TVN_BEGINLABELEDIT handler might have
- // returned FALSE
+ // returned false
if ( !hWnd )
{
delete m_textCtrl;
bool textOnly) const
{
RECT rc;
+
+ // Virtual root items have no bounding rectangle
+ if ( IS_VIRTUAL_ROOT(item) )
+ {
+ return false;
+ }
+
if ( TreeView_GetItemRect(GetHwnd(), HITEM(item),
&rc, textOnly) )
{
rect = wxRect(wxPoint(rc.left, rc.top), wxPoint(rc.right, rc.bottom));
- return TRUE;
+ return true;
}
else
{
// couldn't retrieve rect: for example, item isn't visible
- return FALSE;
+ return false;
}
}
else
{
// nothing done
- return FALSE;
+ return false;
}
// command processed
- return TRUE;
+ return true;
}
// we hook into WndProc to process WM_MOUSEMOVE/WM_BUTTONUP messages - as we
// instead of passing by wxWin events
long wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
{
- bool processed = FALSE;
+ bool processed = false;
long rc = 0;
bool isMultiple = (GetWindowStyle() & wxTR_MULTIPLE) != 0;
if ( (nMsg >= WM_MOUSEFIRST) && (nMsg <= WM_MOUSELAST) )
{
- // we only process mouse messages here and these parameters have the same
- // meaning for all of them
+ // we only process mouse messages here and these parameters have the
+ // same meaning for all of them
int x = GET_X_LPARAM(lParam),
y = GET_Y_LPARAM(lParam);
HTREEITEM htItem = GetItemFromPoint(GetHwnd(), x, y);
// reset on any click without Shift
m_htSelStart = 0;
- processed = TRUE;
+ processed = true;
}
else if ( wParam & MK_SHIFT )
{
::SetFocus(GetHwnd(), htItem);
- processed = TRUE;
+ processed = true;
}
else // normal click
{
- // clear the selection and then let the default handler
- // do the job
- UnselectAll();
+ // avoid doing anything if we click on the only
+ // currently selected item
+
+ wxArrayTreeItemIds selections;
+ size_t count = GetSelections(selections);
+ if ( count == 0 ||
+ count > 1 ||
+ 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
+ {
+ UnselectAll();
- // prevent the click from starting in-place editing
- // when there was no selection in the control
- TreeView_SelectItem(GetHwnd(), 0);
+ // prevent the click from starting in-place editing
+ // which should only happen if we click on the
+ // already selected item (and nothing else is
+ // selected)
+
+ TreeView_SelectItem(GetHwnd(), 0);
+ ::SelectItem(GetHwnd(), htItem);
+ }
+ }
// reset on any click without Shift
m_htSelStart = 0;
break;
case WM_LBUTTONUP:
+
+ // facilitates multiple drag-and-drop
+ if (htItem && isMultiple)
+ {
+ wxArrayTreeItemIds selections;
+ size_t count = GetSelections(selections);
+
+ if (count > 1 &&
+ !(wParam & MK_CONTROL) &&
+ !(wParam & MK_SHIFT))
+ {
+ UnselectAll();
+ TreeView_SelectItem(GetHwnd(), htItem);
+ }
+ }
+
+ // fall through
+
case WM_RBUTTONUP:
if ( m_dragImage )
{
RECT rect;
for ( size_t n = 0; n < count; n++ )
{
- // TreeView_GetItemRect() will return FALSE if item is not visible,
+ // TreeView_GetItemRect() will return false if item is not visible,
// which may happen perfectly well
if ( TreeView_GetItemRect(GetHwnd(), HITEM(selections[n]),
- &rect, TRUE) )
+ &rect, true) )
{
- ::InvalidateRect(GetHwnd(), &rect, FALSE);
+ ::InvalidateRect(GetHwnd(), &rect, false);
}
}
}
::SelectItem(GetHwnd(), htSel);
}
- processed = TRUE;
+ processed = true;
}
else if ( wParam == VK_UP || wParam == VK_DOWN )
{
::SetFocus(GetHwnd(), htNext);
}
- processed = TRUE;
+ processed = true;
}
}
}
#endif // !wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE
+ else if ( nMsg == WM_CHAR )
+ {
+ // don't let the control process Space and Return keys because it
+ // doesn't do anything useful with them anyhow but always beeps
+ // annoyingly when it receives them and there is no way to turn it off
+ // simply if you just process TREEITEM_ACTIVATED event to which Space
+ // and Enter presses are mapped in your code
+ if ( wParam == VK_SPACE || wParam == VK_RETURN )
+ {
+ processed = true;
+ }
+ }
+
if ( !processed )
rc = wxControl::MSWWindowProc(nMsg, wParam, lParam);
event.m_item = (WXHTREEITEM) info->item.hItem;
event.m_label = info->item.pszText;
- event.m_editCancelled = FALSE;
+ event.m_editCancelled = false;
}
break;
event.m_label = info->item.pszText;
if (info->item.pszText == NULL)
{
- event.m_editCancelled = TRUE;
+ event.m_editCancelled = true;
}
else
{
- event.m_editCancelled = FALSE;
+ event.m_editCancelled = false;
}
break;
}
// similar to the ones from a "real" WM_KEYDOWN so that
// CreateKeyEvent() works correctly
WXLPARAM lParam =
- (::GetKeyState(VK_MENU) & 0x100 ? KF_ALTDOWN : 0) << 16;
+// (::GetKeyState(VK_MENU) & 0x100 ? KF_ALTDOWN : 0) << 16;
+ // Returns different negative values on WinME and WinNT,
+ // so simply test for negative value.
+ (::GetKeyState(VK_MENU) < 0 ? KF_ALTDOWN : 0) << 16;
WXWPARAM wParam = info->wVKey;
}
// we always process it
- return TRUE;
+ return true;
#endif // _WIN32_IE >= 0x300
+ case NM_CLICK:
+ {
+ DWORD pos = GetMessagePos();
+ POINT point;
+ point.x = LOWORD(pos);
+ point.y = HIWORD(pos);
+ ::MapWindowPoints(HWND_DESKTOP, GetHwnd(), &point, 1);
+ int flags = 0;
+ wxTreeItemId item = HitTest(wxPoint(point.x, point.y), flags);
+ if (flags & wxTREE_HITTEST_ONITEMSTATEICON)
+ {
+ event.m_item = item;
+ eventType = wxEVT_COMMAND_TREE_STATE_IMAGE_CLICK;
+ }
+ break;
+ }
+
case NM_DBLCLK:
case NM_RCLICK:
{
// the return code of this event handler as the return value for
// NM_DBLCLK - otherwise, double clicking the item to toggle its
// expanded status would never work
- *result = FALSE;
+ *result = false;
break;
case TVN_BEGINDRAG:
delete data; // may be NULL, ok
}
- processed = TRUE; // Make sure we don't get called twice
+ processed = true; // Make sure we don't get called twice
}
break;
case TVN_BEGINLABELEDIT:
- // return TRUE to cancel label editing
+ // return true to cancel label editing
*result = !event.IsAllowed();
// set ES_WANTRETURN ( like we do in BeginLabelEdit )
if(event.IsAllowed())
break;
case TVN_ENDLABELEDIT:
- // return TRUE to set the label to the new string: note that we
+ // return true to set the label to the new string: note that we
// also must pretend that we did process the message or it is going
- // to be passed to DefWindowProc() which will happily return FALSE
+ // to be passed to DefWindowProc() which will happily return false
// cancelling the label change
*result = event.IsAllowed();
- processed = TRUE;
+ processed = true;
// ensure that we don't have the text ctrl which is going to be
// deleted any more
case TVN_SELCHANGING:
case TVN_ITEMEXPANDING:
- // return TRUE to prevent the action from happening
+ // return true to prevent the action from happening
*result = !event.IsAllowed();
break;
return processed;
}
+// ----------------------------------------------------------------------------
+// State control.
+// ----------------------------------------------------------------------------
+
+// why do they define INDEXTOSTATEIMAGEMASK but not the inverse?
+#define STATEIMAGEMASKTOINDEX(state) (((state) & TVIS_STATEIMAGEMASK) >> 12)
+
+void wxTreeCtrl::SetState(const wxTreeItemId& node, int state)
+{
+ TV_ITEM tvi;
+ tvi.hItem = (HTREEITEM)node.m_pItem;
+ tvi.mask = TVIF_STATE;
+ tvi.stateMask = TVIS_STATEIMAGEMASK;
+
+ // Select the specified state, or -1 == cycle to the next one.
+ if ( state == -1 )
+ {
+ TreeView_GetItem(GetHwnd(), &tvi);
+
+ state = STATEIMAGEMASKTOINDEX(tvi.state) + 1;
+ if ( state == m_imageListState->GetImageCount() )
+ state = 1;
+ }
+
+ wxCHECK_RET( state < m_imageListState->GetImageCount(),
+ _T("wxTreeCtrl::SetState(): item index out of bounds") );
+
+ tvi.state = INDEXTOSTATEIMAGEMASK(state);
+
+ TreeView_SetItem(GetHwnd(), &tvi);
+}
+
+int wxTreeCtrl::GetState(const wxTreeItemId& node)
+{
+ TV_ITEM tvi;
+ tvi.hItem = (HTREEITEM)node.m_pItem;
+ tvi.mask = TVIF_STATE;
+ tvi.stateMask = TVIS_STATEIMAGEMASK;
+ TreeView_GetItem(GetHwnd(), &tvi);
+
+ return STATEIMAGEMASKTOINDEX(tvi.state);
+}
+
#endif // __WIN95__
#endif // wxUSE_TREECTRL
+
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