#include "wx/dynlib.h"
#include "wx/msw/private.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/imaglist.h"
#include "wx/msw/dragimag.h"
+#include "wx/msw/uxtheme.h"
// macros to hide the cast ugliness
// --------------------------------
// The vista tree control includes some new code that originally broke the
// multi-selection tree, causing seemingly spurious item selection state changes
// during Shift or Ctrl-click item selection. (To witness the original broken
-// behavior, simply make IsLocked() below always return false). This problem was
+// behaviour, simply make IsLocked() below always return false). This problem was
// solved by using the following class to 'unlock' an item's selection state.
class TreeItemUnlocker
{
public:
// unlock a single item
- TreeItemUnlocker(HTREEITEM item) { ms_unlockedItem = item; }
+ TreeItemUnlocker(HTREEITEM item)
+ {
+ m_oldUnlockedItem = ms_unlockedItem;
+ ms_unlockedItem = item;
+ }
// unlock all items, don't use unless absolutely necessary
- TreeItemUnlocker() { ms_unlockedItem = (HTREEITEM)-1; }
+ TreeItemUnlocker()
+ {
+ m_oldUnlockedItem = ms_unlockedItem;
+ ms_unlockedItem = (HTREEITEM)-1;
+ }
// lock everything back
- ~TreeItemUnlocker() { ms_unlockedItem = NULL; }
+ ~TreeItemUnlocker() { ms_unlockedItem = m_oldUnlockedItem; }
// check if the item state is currently locked
private:
static HTREEITEM ms_unlockedItem;
+ HTREEITEM m_oldUnlockedItem;
+
+ wxDECLARE_NO_COPY_CLASS(TreeItemUnlocker);
};
HTREEITEM TreeItemUnlocker::ms_unlockedItem = NULL;
// private functions
// ----------------------------------------------------------------------------
+namespace
+{
+
+// Work around a problem with TreeView_GetItemRect() when using MinGW/Cygwin:
+// it results in warnings about breaking strict aliasing rules because HITEM is
+// passed via a RECT pointer, so use a union to avoid them and define our own
+// version of the standard macro using it.
+union TVGetItemRectParam
+{
+ RECT rect;
+ HTREEITEM hItem;
+};
+
+inline bool
+wxTreeView_GetItemRect(HWND hwnd,
+ HTREEITEM hItem,
+ TVGetItemRectParam& param,
+ BOOL fItemRect)
+{
+ param.hItem = hItem;
+ return ::SendMessage(hwnd, TVM_GETITEMRECT, fItemRect,
+ (LPARAM)¶m) == TRUE;
+}
+
+} // anonymous namespace
+
// wrappers for TreeView_GetItem/TreeView_SetItem
static bool IsItemSelected(HWND hwndTV, HTREEITEM hItem)
{
switch ( which )
{
case wxTreeItemIcon_SelectedExpanded:
- image = GetImage(wxTreeItemIcon_Expanded);
+ // We consider that expanded icon is more important than
+ // selected so test for it first.
+ image = m_images[wxTreeItemIcon_Expanded];
+ if ( image == -1 )
+ image = m_images[wxTreeItemIcon_Selected];
if ( image != -1 )
break;
//else: fall through
case wxTreeItemIcon_Selected:
case wxTreeItemIcon_Expanded:
- image = GetImage(wxTreeItemIcon_Normal);
+ image = m_images[wxTreeItemIcon_Normal];
break;
case wxTreeItemIcon_Normal:
// wxWin macros
// ----------------------------------------------------------------------------
-#if wxUSE_EXTENDED_RTTI
-WX_DEFINE_FLAGS( wxTreeCtrlStyle )
-
-wxBEGIN_FLAGS( wxTreeCtrlStyle )
- // new style border flags, we put them first to
- // use them for streaming out
- wxFLAGS_MEMBER(wxBORDER_SIMPLE)
- wxFLAGS_MEMBER(wxBORDER_SUNKEN)
- wxFLAGS_MEMBER(wxBORDER_DOUBLE)
- wxFLAGS_MEMBER(wxBORDER_RAISED)
- wxFLAGS_MEMBER(wxBORDER_STATIC)
- wxFLAGS_MEMBER(wxBORDER_NONE)
-
- // old style border flags
- wxFLAGS_MEMBER(wxSIMPLE_BORDER)
- wxFLAGS_MEMBER(wxSUNKEN_BORDER)
- wxFLAGS_MEMBER(wxDOUBLE_BORDER)
- wxFLAGS_MEMBER(wxRAISED_BORDER)
- wxFLAGS_MEMBER(wxSTATIC_BORDER)
- wxFLAGS_MEMBER(wxBORDER)
-
- // standard window styles
- wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
- wxFLAGS_MEMBER(wxCLIP_CHILDREN)
- wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW)
- wxFLAGS_MEMBER(wxWANTS_CHARS)
- wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE)
- wxFLAGS_MEMBER(wxALWAYS_SHOW_SB )
- wxFLAGS_MEMBER(wxVSCROLL)
- wxFLAGS_MEMBER(wxHSCROLL)
-
- wxFLAGS_MEMBER(wxTR_EDIT_LABELS)
- wxFLAGS_MEMBER(wxTR_NO_BUTTONS)
- wxFLAGS_MEMBER(wxTR_HAS_BUTTONS)
- wxFLAGS_MEMBER(wxTR_TWIST_BUTTONS)
- wxFLAGS_MEMBER(wxTR_NO_LINES)
- wxFLAGS_MEMBER(wxTR_FULL_ROW_HIGHLIGHT)
- wxFLAGS_MEMBER(wxTR_LINES_AT_ROOT)
- wxFLAGS_MEMBER(wxTR_HIDE_ROOT)
- wxFLAGS_MEMBER(wxTR_ROW_LINES)
- wxFLAGS_MEMBER(wxTR_HAS_VARIABLE_ROW_HEIGHT)
- wxFLAGS_MEMBER(wxTR_SINGLE)
- wxFLAGS_MEMBER(wxTR_MULTIPLE)
-#if WXWIN_COMPATIBILITY_2_8
- wxFLAGS_MEMBER(wxTR_EXTENDED)
-#endif
- wxFLAGS_MEMBER(wxTR_DEFAULT_STYLE)
-
-wxEND_FLAGS( wxTreeCtrlStyle )
-
-IMPLEMENT_DYNAMIC_CLASS_XTI(wxTreeCtrl, wxControl,"wx/treectrl.h")
-
-wxBEGIN_PROPERTIES_TABLE(wxTreeCtrl)
- wxEVENT_PROPERTY( TextUpdated , wxEVT_COMMAND_TEXT_UPDATED , wxCommandEvent )
- wxEVENT_RANGE_PROPERTY( TreeEvent , wxEVT_COMMAND_TREE_BEGIN_DRAG , wxEVT_COMMAND_TREE_STATE_IMAGE_CLICK , wxTreeEvent )
- wxPROPERTY_FLAGS( WindowStyle , wxTreeCtrlStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
-wxEND_PROPERTIES_TABLE()
-
-wxBEGIN_HANDLERS_TABLE(wxTreeCtrl)
-wxEND_HANDLERS_TABLE()
-
-wxCONSTRUCTOR_5( wxTreeCtrl , wxWindow* , Parent , wxWindowID , Id , wxPoint , Position , wxSize , Size , long , WindowStyle )
-#else
-IMPLEMENT_DYNAMIC_CLASS(wxTreeCtrl, wxControl)
-#endif
-
// ----------------------------------------------------------------------------
// constants
// ----------------------------------------------------------------------------
if ( !MSWCreateControl(WC_TREEVIEW, wstyle, pos, size) )
return false;
-#if wxUSE_COMCTL32_SAFELY
- wxWindow::SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
- wxWindow::SetForegroundColour(wxWindow::GetParent()->GetForegroundColour());
-#elif 1
SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
SetForegroundColour(wxWindow::GetParent()->GetForegroundColour());
-#else
- // This works around a bug in the Windows tree control whereby for some versions
- // of comctrl32, setting any colour actually draws the background in black.
- // This will initialise the background to the system colour.
- // THIS FIX NOW REVERTED since it caused problems on _other_ systems.
- // Assume the user has an updated comctl32.dll.
- ::SendMessage(GetHwnd(), TVM_SETBKCOLOR, 0,-1);
- wxWindow::SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
- SetForegroundColour(wxWindow::GetParent()->GetForegroundColour());
-#endif
wxSetCCUnicodeFormat(GetHwnd());
+ if ( m_windowStyle & wxTR_TWIST_BUTTONS )
+ {
+ // Under Vista and later Explorer uses rotating ("twist") buttons
+ // instead of the default "+/-" ones so apply its theme to the tree
+ // control to implement this style.
+ if ( wxGetWinVersion() >= wxWinVersion_Vista )
+ {
+ if ( wxUxThemeEngine *theme = wxUxThemeEngine::GetIfActive() )
+ {
+ theme->SetWindowTheme(GetHwnd(), L"EXPLORER", NULL);
+ }
+ }
+ }
+
return true;
}
wxTreeCtrl::~wxTreeCtrl()
{
+ m_isBeingDeleted = true;
+
// delete any attributes
if ( m_hasAnyAttr )
{
bool wxTreeCtrl::SetBackgroundColour(const wxColour &colour)
{
-#if !wxUSE_COMCTL32_SAFELY
if ( !wxWindowBase::SetBackgroundColour(colour) )
return false;
::SendMessage(GetHwnd(), TVM_SETBKCOLOR, 0, colour.GetPixel());
-#endif
return true;
}
bool wxTreeCtrl::SetForegroundColour(const wxColour &colour)
{
-#if !wxUSE_COMCTL32_SAFELY
if ( !wxWindowBase::SetForegroundColour(colour) )
return false;
::SendMessage(GetHwnd(), TVM_SETTEXTCOLOR, 0, colour.GetPixel());
-#endif
return true;
}
return;
wxTreeViewItem tvItem(item, TVIF_TEXT);
- tvItem.pszText = (wxChar *)text.wx_str(); // conversion is ok
+ tvItem.pszText = wxMSW_CONV_LPTSTR(text);
DoSetItem(&tvItem);
// when setting the text of the item being edited, the text control should
{
if ( item == m_idEdited )
{
- ::SetWindowText(hwndEdit, text.wx_str());
+ ::SetWindowText(hwndEdit, text.t_str());
}
}
}
}
// 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
- *(HTREEITEM *)&rect = HITEM(item);
+ TVGetItemRectParam param;
// true means to get rect for just the text, not the whole line
- if ( !::SendMessage(GetHwnd(), TVM_GETITEMRECT, true, (LPARAM)&rect) )
+ if ( !wxTreeView_GetItemRect(GetHwnd(), HITEM(item), param, TRUE) )
{
// if TVM_GETITEMRECT returned false, then the item is definitely not
// visible (because its parent is not expanded)
// however if it returned true, the item might still be outside the
// currently visible part of the tree, test for it (notice that partly
// visible means visible here)
- return rect.bottom > 0 && rect.top < GetClientSize().y;
+ return param.rect.bottom > 0 && param.rect.top < GetClientSize().y;
}
bool wxTreeCtrl::ItemHasChildren(const wxTreeItemId& item) const
if ( !text.empty() )
{
mask |= TVIF_TEXT;
- tvIns.item.pszText = (wxChar *)text.wx_str(); // cast is ok
+ tvIns.item.pszText = wxMSW_CONV_LPTSTR(text);
}
else
{
// need this to make the "[+]" appear
if ( firstChild )
{
- RECT rect;
- TreeView_GetItemRect(GetHwnd(), HITEM(parent), &rect, FALSE);
- ::InvalidateRect(GetHwnd(), &rect, FALSE);
+ TVGetItemRectParam param;
+
+ wxTreeView_GetItemRect(GetHwnd(), HITEM(parent), param, FALSE);
+ ::InvalidateRect(GetHwnd(), ¶m.rect, FALSE);
}
// associate the application tree item with Win32 tree item handle
// leave itemNew invalid
}
- // in spite of the docs (MSDN Jan 99 edition), we don't seem to receive
- // the notification from the control (i.e. TVN_SELCHANG{ED|ING}), so
- // send them ourselves
-
+ // Recent versions of comctl32.dll send TVN_SELCHANG{ED,ING} events
+ // when we call TreeView_SelectItem() but apparently some old ones did
+ // not so send the events ourselves and ignore those generated by
+ // TreeView_SelectItem() if m_changingSelection is set.
wxTreeEvent
changingEvent(wxEVT_COMMAND_TREE_SEL_CHANGING, this, itemNew);
changingEvent.SetOldItem(itemOld);
if ( IsTreeEventAllowed(changingEvent) )
{
+ TempSetter set(m_changingSelection);
+
if ( !TreeView_SelectItem(GetHwnd(), HITEM(itemNew)) )
{
wxLogLastError(wxT("TreeView_SelectItem"));
}
else // ok
{
- SetFocusedItem(item);
+ ::SetFocus(GetHwnd(), HITEM(item));
wxTreeEvent changedEvent(wxEVT_COMMAND_TREE_SEL_CHANGED,
this, itemNew);
m_textCtrl->UnsubclassWin();
m_textCtrl->SetHWND(0);
- delete m_textCtrl;
- m_textCtrl = NULL;
+ wxDELETE(m_textCtrl);
m_idEdited.Unset();
}
wxTextCtrl *wxTreeCtrl::EditLabel(const wxTreeItemId& item,
wxClassInfo *textControlClass)
{
- wxASSERT( textControlClass->IsKindOf(CLASSINFO(wxTextCtrl)) );
+ wxASSERT( textControlClass->IsKindOf(wxCLASSINFO(wxTextCtrl)) );
DeleteTextCtrl();
// returned false
if ( !hWnd )
{
- delete m_textCtrl;
- m_textCtrl = NULL;
+ wxDELETE(m_textCtrl);
return NULL;
}
wxRect& rect,
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) )
+ TVGetItemRectParam param;
+
+ if ( wxTreeView_GetItemRect(GetHwnd(), HITEM(item), param, textOnly) )
{
- rect = wxRect(wxPoint(rc.left, rc.top), wxPoint(rc.right, rc.bottom));
+ rect = wxRect(wxPoint(param.rect.left, param.rect.top),
+ wxPoint(param.rect.right, param.rect.bottom));
return true;
}
// 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) )
+ if ( GetClassInfo() == wxCLASSINFO(wxTreeCtrl) )
{
TreeView_SortChildren(GetHwnd(), HITEM(item), 0);
}
bool wxTreeCtrl::MSWHandleTreeKeyDownEvent(WXWPARAM wParam, WXLPARAM lParam)
{
wxTreeEvent keyEvent(wxEVT_COMMAND_TREE_KEY_DOWN, this);
-
- int keyCode = wxCharCodeMSWToWX(wParam);
-
- if ( !keyCode )
- {
- // wxCharCodeMSWToWX() returns 0 to indicate that this is a
- // simple ASCII key
- keyCode = wParam;
- }
-
- keyEvent.m_evtKey = CreateKeyEvent(wxEVT_KEY_DOWN, keyCode,
- lParam, wParam);
+ keyEvent.m_evtKey = CreateKeyEvent(wxEVT_KEY_DOWN, wParam, lParam);
bool processed = HandleTreeEvent(keyEvent);
}
// create the event
- wxTreeEvent event(wxEVT_COMMAND_TREE_ITEM_MENU, this, item);
+ if ( item.IsOk() )
+ {
+ wxTreeEvent event(wxEVT_COMMAND_TREE_ITEM_MENU, this, item);
- event.m_pointDrag = pt;
+ event.m_pointDrag = pt;
- if ( HandleTreeEvent(event) )
- processed = true;
- //else: continue with generating wxEVT_CONTEXT_MENU in base class code
+ if ( HandleTreeEvent(event) )
+ processed = true;
+ //else: continue with generating wxEVT_CONTEXT_MENU in base class code
+ }
}
else if ( (nMsg >= WM_MOUSEFIRST) && (nMsg <= WM_MOUSELAST) )
{
// click if needed
if ( processed )
{
- int htFlags = 0;
- wxTreeItemId item = HitTest(wxPoint(x, y), htFlags);
-
- if ( htFlags & wxTREE_HITTEST_ONITEMSTATEICON )
+ if ( tvht.flags & TVHT_ONITEMSTATEICON )
{
m_triggerStateImageClick = true;
}
if ( m_dragImage )
{
m_dragImage->EndDrag();
- delete m_dragImage;
- m_dragImage = NULL;
+ wxDELETE(m_dragImage);
// generate the drag end event
wxTreeEvent event(wxEVT_COMMAND_TREE_END_DRAG,
// do it for the other items itself - help it
wxArrayTreeItemIds selections;
size_t count = GetSelections(selections);
- RECT rect;
+ TVGetItemRectParam param;
for ( size_t n = 0; n < count; n++ )
{
// TreeView_GetItemRect() will return false if item is not
// visible, which may happen perfectly well
- if ( TreeView_GetItemRect(GetHwnd(), HITEM(selections[n]),
- &rect, TRUE) )
+ if ( wxTreeView_GetItemRect(GetHwnd(), HITEM(selections[n]),
+ param, TRUE) )
{
- ::InvalidateRect(GetHwnd(), &rect, FALSE);
+ ::InvalidateRect(GetHwnd(), ¶m.rect, FALSE);
}
}
}
if ( m_dragImage )
{
m_dragImage->EndDrag();
- delete m_dragImage;
- m_dragImage = NULL;
+ wxDELETE(m_dragImage);
// if we don't do it, the tree seems to think that 2 items
// are selected simultaneously which is quite weird
// the wrong items are deselected.
// Fortunately, Vista provides a new notification, TVN_ITEMCHANGING
- // that can be used to regulate this incorrect behavior. The
+ // that can be used to regulate this incorrect behaviour. The
// following messages will allow only the unlocked item's selection
// state to change
// we have to handle both messages:
case TVN_SELCHANGEDA:
case TVN_SELCHANGEDW:
- if ( !HasFlag(wxTR_MULTIPLE) || !m_changingSelection )
+ if ( !m_changingSelection )
{
eventType = wxEVT_COMMAND_TREE_SEL_CHANGED;
}
case TVN_SELCHANGINGA:
case TVN_SELCHANGINGW:
- if ( !HasFlag(wxTR_MULTIPLE) || !m_changingSelection )
+ if ( !m_changingSelection )
{
if ( eventType == wxEVT_NULL )
eventType = wxEVT_COMMAND_TREE_SEL_CHANGING;
//
// to avoid such surprises, we force the generation of focus events
// now, before we generate the selection change ones
- SetFocus();
+ if ( !m_changingSelection && !m_isBeingDeleted )
+ SetFocus();
break;
// instead of explicitly checking for _WIN32_IE, check if the
// required symbols are available in the headers
-#if defined(CDDS_PREPAINT) && !wxUSE_COMCTL32_SAFELY
+#if defined(CDDS_PREPAINT)
case NM_CUSTOMDRAW:
{
LPNMTVCUSTOMDRAW lptvcd = (LPNMTVCUSTOMDRAW)lParam;
{
wxLoadedDLL dllComCtl32(wxT("comctl32.dll"));
if ( dllComCtl32.IsLoaded() )
+ {
wxDL_INIT_FUNC(s_pfn, ImageList_Copy, dllComCtl32);
+ loaded = true;
+ }
}
if ( !s_pfnImageList_Copy )
case NM_RCLICK:
{
TV_HITTESTINFO tvhti;
- ::GetCursorPos(&tvhti.pt);
+ wxGetCursorPosMSW(&tvhti.pt);
::ScreenToClient(GetHwnd(), &tvhti.pt);
if ( TreeView_HitTest(GetHwnd(), &tvhti) )
{
DoSetItem(&tvItem);
}
+// ----------------------------------------------------------------------------
+// Update locking.
+// ----------------------------------------------------------------------------
+
+// Using WM_SETREDRAW with the native control is a bad idea as it's broken in
+// some Windows versions (see http://support.microsoft.com/kb/130611) and
+// doesn't seem to do anything in other ones (e.g. under Windows 7 the tree
+// control keeps updating its scrollbars while the items are added to it,
+// resulting in horrible flicker when adding even a couple of dozen items).
+// So we hide it instead of freezing -- this still flickers, but actually not
+// as badly as it would if we didn't do it.
+
+void wxTreeCtrl::DoFreeze()
+{
+ // Notice that we don't call wxWindow::Hide() here as we want the window to
+ // remain shown from wxWidgets point of view and also because
+ // wxWindowMSW::Show() calls Do{Freeze,Thaw}() itself, so we'd get into
+ // infinite recursion this way.
+ if ( IsShown() )
+ ::ShowWindow(GetHwnd(), SW_HIDE);
+}
+
+void wxTreeCtrl::DoThaw()
+{
+ if ( IsShown() )
+ ::ShowWindow(GetHwnd(), SW_SHOW);
+}
+
#endif // wxUSE_TREECTRL
projects / wxWidgets.git / blobdiff