+ wxCHECK_RET( IsCheckable(), wxT("only checkable items may be checked") );
+
+ if ( m_isChecked == check )
+ return;
+
+ if ( m_parentMenu )
+ {
+ int flags = check ? MF_CHECKED : MF_UNCHECKED;
+ HMENU hmenu = GetHMenuOf(m_parentMenu);
+
+ if ( GetKind() == wxITEM_RADIO )
+ {
+ // it doesn't make sense to uncheck a radio item -- what would this
+ // do?
+ if ( !check )
+ return;
+
+ // get the index of this item in the menu
+ const wxMenuItemList& items = m_parentMenu->GetMenuItems();
+ int pos = items.IndexOf(this);
+ wxCHECK_RET( pos != wxNOT_FOUND,
+ wxT("menuitem not found in the menu items list?") );
+
+ // get the radio group range
+ int start,
+ end;
+
+ if ( !m_parentMenu->MSWGetRadioGroupRange(pos, &start, &end) )
+ {
+ wxFAIL_MSG( wxT("Menu radio item not part of radio group?") );
+ return;
+ }
+
+#ifdef __WIN32__
+ // calling CheckMenuRadioItem() with such parameters hangs my system
+ // (NT4 SP6) and I suspect this could happen to the others as well,
+ // so don't do it!
+ wxCHECK_RET( start != -1 && end != -1,
+ wxT("invalid ::CheckMenuRadioItem() parameter(s)") );
+
+ if ( !::CheckMenuRadioItem(hmenu,
+ start, // the first radio group item
+ end, // the last one
+ pos, // the one to check
+ MF_BYPOSITION) )
+ {
+ wxLogLastError(wxT("CheckMenuRadioItem"));
+ }
+#endif // __WIN32__
+
+ // also uncheck all the other items in this radio group
+ wxMenuItemList::compatibility_iterator node = items.Item(start);
+ for ( int n = start; n <= end && node; n++ )
+ {
+ if ( n != pos )
+ {
+ node->GetData()->m_isChecked = false;
+ }
+
+ node = node->GetNext();
+ }
+ }
+ else // check item
+ {
+ if ( ::CheckMenuItem(hmenu,
+ GetMSWId(),
+ MF_BYCOMMAND | flags) == (DWORD)-1 )
+ {
+ wxFAIL_MSG(wxT("CheckMenuItem() failed, item not in the menu?"));
+ }
+ }
+ }
+
+ wxMenuItemBase::Check(check);
+}
+
+void wxMenuItem::SetItemLabel(const wxString& txt)
+{
+ wxString text = txt;
+
+ // don't do anything if label didn't change
+ if ( m_text == txt )
+ return;
+
+ // wxMenuItemBase will do stock ID checks
+ wxMenuItemBase::SetItemLabel(text);
+
+ // the item can be not attached to any menu yet and SetItemLabel() is still
+ // valid to call in this case and should do nothing else
+ if ( !m_parentMenu )
+ return;
+
+#if wxUSE_ACCEL
+ m_parentMenu->UpdateAccel(this);
+#endif // wxUSE_ACCEL
+
+ const UINT id = GetMSWId();
+ HMENU hMenu = GetHMenuOf(m_parentMenu);
+ if ( !hMenu || ::GetMenuState(hMenu, id, MF_BYCOMMAND) == (UINT)-1 )
+ return;
+
+ // update the text of the native menu item
+ WinStruct<MENUITEMINFO> info;
+
+ // surprisingly, calling SetMenuItemInfo() with just MIIM_STRING doesn't
+ // work as it resets the menu bitmap, so we need to first get the old item
+ // state and then modify it
+ const bool isLaterThanWin95 = wxGetWinVersion() > wxWinVersion_95;
+ info.fMask = MIIM_STATE |
+ MIIM_ID |
+ MIIM_SUBMENU |
+ MIIM_CHECKMARKS |
+ MIIM_DATA;
+ if ( isLaterThanWin95 )
+ info.fMask |= MIIM_BITMAP | MIIM_FTYPE;
+ else
+ info.fMask |= MIIM_TYPE;
+ if ( !::GetMenuItemInfo(hMenu, id, FALSE, &info) )
+ {
+ wxLogLastError(wxT("GetMenuItemInfo"));
+ return;
+ }
+
+#if wxUSE_OWNER_DRAWN
+ // Don't set the text for the owner drawn items, they don't use it and even
+ // though setting it doesn't seem to actually do any harm under Windows 7,
+ // avoid doing this relatively nonsensical operation just in case it does
+ // break something on other, past or future, Windows versions.
+ //
+ // Notice that we do need to call SetMenuItemInfo() even for the ownerdrawn
+ // items however as otherwise their size wouldn't be recalculated as
+ // WM_MEASUREITEM wouldn't be sent and this could result in display
+ // problems if the length of the menu item changed significantly.
+ if ( !IsOwnerDrawn() )
+#endif // wxUSE_OWNER_DRAWN
+ {
+ if ( isLaterThanWin95 )
+ info.fMask |= MIIM_STRING;
+ //else: MIIM_TYPE already specified
+ info.dwTypeData = wxMSW_CONV_LPTSTR(m_text);
+ info.cch = m_text.length();
+ }
+
+ if ( !::SetMenuItemInfo(hMenu, id, FALSE, &info) )
+ {
+ wxLogLastError(wxT("SetMenuItemInfo"));
+ }
+}
+
+#if wxUSE_OWNER_DRAWN
+
+int wxMenuItem::MeasureAccelWidth() const
+{
+ wxString accel = GetItemLabel().AfterFirst(wxT('\t'));
+
+ wxMemoryDC dc;
+ wxFont font;
+ GetFontToUse(font);
+ dc.SetFont(font);
+
+ wxCoord w;
+ dc.GetTextExtent(accel, &w, NULL);
+
+ return w;
+}
+
+wxString wxMenuItem::GetName() const
+{
+ return GetItemLabelText();
+}
+
+bool wxMenuItem::OnMeasureItem(size_t *width, size_t *height)
+{
+ const MenuDrawData* data = MenuDrawData::Get();
+
+ if ( IsOwnerDrawn() )
+ {
+ *width = data->ItemMargin.GetTotalX();
+ *height = data->ItemMargin.GetTotalY();
+
+ if ( IsSeparator() )
+ {
+ *width += data->SeparatorSize.cx
+ + data->SeparatorMargin.GetTotalX();
+ *height += data->SeparatorSize.cy
+ + data->SeparatorMargin.GetTotalY();
+ return true;
+ }
+
+ wxString str = GetName();
+
+ wxMemoryDC dc;
+ wxFont font;
+ GetFontToUse(font);
+ dc.SetFont(font);
+
+ wxCoord w, h;
+ dc.GetTextExtent(str, &w, &h);
+
+ *width = data->TextBorder + w + data->AccelBorder;
+ *height = h;
+
+ w = m_parentMenu->GetMaxAccelWidth();
+ if ( w > 0 )
+ *width += w + data->ArrowBorder;
+
+ *width += data->Offset;
+ *width += data->ArrowMargin.GetTotalX() + data->ArrowSize.cx;
+ }
+ else // don't draw the text, just the bitmap (if any)
+ {
+ *width = 0;
+ *height = 0;
+ }
+
+ // bitmap
+
+ if ( IsOwnerDrawn() )
+ {
+ // width of menu icon with margins in ownerdrawn menu
+ // if any bitmap is not set, the width of space reserved for icon
+ // image is equal to the width of std check mark,
+ // if bitmap is set, then the width is set to the width of the widest
+ // bitmap in menu (GetMarginWidth()) unless std check mark is wider,
+ // then it's is set to std mark's width
+ int imgWidth = wxMax(GetMarginWidth(), data->CheckSize.cx)
+ + data->CheckMargin.GetTotalX();
+
+ *width += imgWidth + data->CheckBgMargin.GetTotalX();
+ }
+
+ if ( m_bmpChecked.IsOk() || m_bmpUnchecked.IsOk() )
+ {
+ // get size of bitmap always return valid value (0 for invalid bitmap),
+ // so we don't needed check if bitmap is valid ;)
+ size_t heightBmp = wxMax(m_bmpChecked.GetHeight(), m_bmpUnchecked.GetHeight());
+ size_t widthBmp = wxMax(m_bmpChecked.GetWidth(), m_bmpUnchecked.GetWidth());
+
+ if ( IsOwnerDrawn() )
+ {
+ heightBmp += data->CheckMargin.GetTotalY();
+ }
+ else
+ {
+ // we must allocate enough space for the bitmap
+ *width += widthBmp;
+ }
+
+ // Is BMP height larger than text height?
+ if ( *height < heightBmp )
+ *height = heightBmp;
+ }
+
+ // make sure that this item is at least as tall as the system menu height
+ const size_t menuHeight = data->CheckMargin.GetTotalY()
+ + data->CheckSize.cy;
+ if (*height < menuHeight)
+ *height = menuHeight;
+
+ return true;
+}
+
+bool wxMenuItem::OnDrawItem(wxDC& dc, const wxRect& rc,
+ wxODAction WXUNUSED(act), wxODStatus stat)
+{
+ const MenuDrawData* data = MenuDrawData::Get();
+
+ wxMSWDCImpl *impl = (wxMSWDCImpl*) dc.GetImpl();
+ HDC hdc = GetHdcOf(*impl);
+
+ RECT rect;
+ wxCopyRectToRECT(rc, rect);
+
+ int imgWidth = wxMax(GetMarginWidth(), data->CheckSize.cx);
+
+ if ( IsOwnerDrawn() )
+ {
+ // font and colors to use
+ wxFont font;
+ GetFontToUse(font);
+
+ wxColour colText, colBack;
+ GetColourToUse(stat, colText, colBack);
+
+ // calculate metrics of item parts
+ RECT rcSelection = rect;
+ data->ItemMargin.ApplyTo(rcSelection);
+
+ RECT rcSeparator = rcSelection;
+ data->SeparatorMargin.ApplyTo(rcSeparator);
+
+ RECT rcGutter = rcSelection;
+ rcGutter.right = data->ItemMargin.cxLeftWidth
+ + data->CheckBgMargin.cxLeftWidth
+ + data->CheckMargin.cxLeftWidth
+ + imgWidth
+ + data->CheckMargin.cxRightWidth
+ + data->CheckBgMargin.cxRightWidth;
+
+ RECT rcText = rcSelection;
+ rcText.left = rcGutter.right + data->TextBorder;
+
+ // we draw the text label vertically centered, but this results in it
+ // being 1px too low compared to native menus for some reason, fix it
+ if ( data->MenuLayout() != MenuDrawData::FullTheme )
+ rcText.top--;
+
+#if wxUSE_UXTHEME
+ // If a custom background colour is explicitly specified, we should use
+ // it instead of the default theme background.
+ wxUxThemeEngine* const theme = GetBackgroundColour().IsOk()
+ ? NULL
+ : MenuDrawData::GetUxThemeEngine();
+ if ( theme )
+ {
+ POPUPITEMSTATES state;
+ if ( stat & wxODDisabled )
+ {
+ state = (stat & wxODSelected) ? MPI_DISABLEDHOT
+ : MPI_DISABLED;
+ }
+ else if ( stat & wxODSelected )
+ {
+ state = MPI_HOT;
+ }
+ else
+ {
+ state = MPI_NORMAL;
+ }
+
+ wxUxThemeHandle hTheme(GetMenu()->GetWindow(), L"MENU");
+
+ if ( theme->IsThemeBackgroundPartiallyTransparent(hTheme,
+ MENU_POPUPITEM, state) )
+ {
+ theme->DrawThemeBackground(hTheme, hdc,
+ MENU_POPUPBACKGROUND,
+ 0, &rect, NULL);
+ }
+
+ theme->DrawThemeBackground(hTheme, hdc, MENU_POPUPGUTTER,
+ 0, &rcGutter, NULL);
+
+ if ( IsSeparator() )
+ {
+ rcSeparator.left = rcGutter.right;
+ theme->DrawThemeBackground(hTheme, hdc, MENU_POPUPSEPARATOR,
+ 0, &rcSeparator, NULL);
+ return true;
+ }
+
+ theme->DrawThemeBackground(hTheme, hdc, MENU_POPUPITEM,
+ state, &rcSelection, NULL);
+
+ }
+ else
+#endif // wxUSE_UXTHEME
+ {
+ if ( IsSeparator() )
+ {
+ DrawEdge(hdc, &rcSeparator, EDGE_ETCHED, BF_TOP);
+ return true;
+ }
+
+ AutoHBRUSH hbr(colBack.GetPixel());
+ SelectInHDC selBrush(hdc, hbr);
+ ::FillRect(hdc, &rcSelection, hbr);
+ }
+
+
+ // draw text label
+ // using native API because it recognizes '&'
+
+ HDCTextColChanger changeTextCol(hdc, colText.GetPixel());
+ HDCBgColChanger changeBgCol(hdc, colBack.GetPixel());
+ HDCBgModeChanger changeBgMode(hdc, TRANSPARENT);
+
+ SelectInHDC selFont(hdc, GetHfontOf(font));
+
+
+ // item text name without mnemonic for calculating size
+ wxString text = GetName();
+
+ SIZE textSize;
+ ::GetTextExtentPoint32(hdc, text.c_str(), text.length(), &textSize);
+
+ // item text name with mnemonic
+ text = GetItemLabel().BeforeFirst('\t');
+
+ int flags = DST_PREFIXTEXT;
+ // themes menu is using specified color for disabled labels
+ if ( data->MenuLayout() == MenuDrawData::Classic &&
+ (stat & wxODDisabled) && !(stat & wxODSelected) )
+ flags |= DSS_DISABLED;
+
+ if ( (stat & wxODHidePrefix) && !data->AlwaysShowCues )
+ flags |= DSS_HIDEPREFIX;
+
+ int x = rcText.left;
+ int y = rcText.top + (rcText.bottom - rcText.top - textSize.cy) / 2;
+
+ ::DrawState(hdc, NULL, NULL, wxMSW_CONV_LPARAM(text),
+ text.length(), x, y, 0, 0, flags);
+
+ // ::SetTextAlign(hdc, TA_RIGHT) doesn't work with DSS_DISABLED or DSS_MONO
+ // as the last parameter in DrawState() (at least with Windows98). So we have
+ // to take care of right alignment ourselves.
+ wxString accel = GetItemLabel().AfterFirst(wxT('\t'));
+ if ( !accel.empty() )
+ {
+ SIZE accelSize;
+ ::GetTextExtentPoint32(hdc, accel.c_str(), accel.length(), &accelSize);
+
+ int flags = DST_TEXT;
+ // themes menu is using specified color for disabled labels
+ if ( data->MenuLayout() == MenuDrawData::Classic &&
+ (stat & wxODDisabled) && !(stat & wxODSelected) )
+ flags |= DSS_DISABLED;
+
+ int x = rcText.right - data->ArrowMargin.GetTotalX()
+ - data->ArrowSize.cx
+ - data->ArrowBorder;
+
+ // right align accel on FullTheme menu, left otherwise
+ if ( data->MenuLayout() == MenuDrawData::FullTheme)
+ x -= accelSize.cx;
+ else
+ x -= m_parentMenu->GetMaxAccelWidth();
+
+ int y = rcText.top + (rcText.bottom - rcText.top - accelSize.cy) / 2;
+
+ ::DrawState(hdc, NULL, NULL, wxMSW_CONV_LPARAM(accel),
+ accel.length(), x, y, 0, 0, flags);
+ }
+ }
+
+
+ // draw the bitmap
+
+ RECT rcImg;
+ SetRect(&rcImg,
+ rect.left + data->ItemMargin.cxLeftWidth
+ + data->CheckBgMargin.cxLeftWidth
+ + data->CheckMargin.cxLeftWidth,
+ rect.top + data->ItemMargin.cyTopHeight
+ + data->CheckBgMargin.cyTopHeight
+ + data->CheckMargin.cyTopHeight,
+ rect.left + data->ItemMargin.cxLeftWidth
+ + data->CheckBgMargin.cxLeftWidth
+ + data->CheckMargin.cxLeftWidth
+ + imgWidth,
+ rect.bottom - data->ItemMargin.cyBottomHeight
+ - data->CheckBgMargin.cyBottomHeight
+ - data->CheckMargin.cyBottomHeight);
+
+ if ( IsCheckable() && !m_bmpChecked.IsOk() )
+ {
+ if ( stat & wxODChecked )
+ {
+ DrawStdCheckMark((WXHDC)hdc, &rcImg, stat);
+ }
+ }
+ else
+ {
+ wxBitmap bmp;
+
+ if ( stat & wxODDisabled )
+ {
+ bmp = GetDisabledBitmap();
+ }
+
+ if ( !bmp.IsOk() )
+ {
+ // for not checkable bitmaps we should always use unchecked one
+ // because their checked bitmap is not set
+ bmp = GetBitmap(!IsCheckable() || (stat & wxODChecked));
+
+#if wxUSE_IMAGE
+ if ( bmp.IsOk() && stat & wxODDisabled )
+ {
+ // we need to grey out the bitmap as we don't have any specific
+ // disabled bitmap
+ wxImage imgGrey = bmp.ConvertToImage().ConvertToGreyscale();
+ if ( imgGrey.IsOk() )
+ bmp = wxBitmap(imgGrey);
+ }
+#endif // wxUSE_IMAGE
+ }
+
+ if ( bmp.IsOk() )
+ {
+ wxMemoryDC dcMem(&dc);
+ dcMem.SelectObjectAsSource(bmp);
+
+ // center bitmap
+ int nBmpWidth = bmp.GetWidth(),
+ nBmpHeight = bmp.GetHeight();
+
+ int x = rcImg.left + (imgWidth - nBmpWidth) / 2;
+ int y = rcImg.top + (rcImg.bottom - rcImg.top - nBmpHeight) / 2;
+ dc.Blit(x, y, nBmpWidth, nBmpHeight, &dcMem, 0, 0, wxCOPY, true);
+ }
+ }
+
+ return true;
+
+}
+
+namespace
+{
+
+// helper function for draw coloured check mark
+void DrawColorCheckMark(HDC hdc, int x, int y, int cx, int cy, HDC hdcCheckMask, int idxColor)
+{
+ const COLORREF colBlack = RGB(0, 0, 0);
+ const COLORREF colWhite = RGB(255, 255, 255);
+
+ HDCTextColChanger changeTextCol(hdc, colBlack);
+ HDCBgColChanger changeBgCol(hdc, colWhite);
+ HDCBgModeChanger changeBgMode(hdc, TRANSPARENT);
+
+ // memory DC for color bitmap
+ MemoryHDC hdcMem(hdc);
+ CompatibleBitmap hbmpMem(hdc, cx, cy);
+ SelectInHDC selMem(hdcMem, hbmpMem);
+
+ RECT rect = { 0, 0, cx, cy };
+ ::FillRect(hdcMem, &rect, ::GetSysColorBrush(idxColor));
+
+ const COLORREF colCheck = ::GetSysColor(idxColor);
+ if ( colCheck == colWhite )
+ {
+ ::BitBlt(hdc, x, y, cx, cy, hdcCheckMask, 0, 0, MERGEPAINT);
+ ::BitBlt(hdc, x, y, cx, cy, hdcMem, 0, 0, SRCAND);
projects / wxWidgets.git / blobdiff