+
+// ----------------------------------------------------------------------------
+// wxTopLevelWindow event handling
+// ----------------------------------------------------------------------------
+
+void wxTopLevelWindowMSW::DoSaveLastFocus()
+{
+ if ( m_iconized )
+ return;
+
+ // remember the last focused child if it is our child
+ m_winLastFocused = FindFocus();
+
+ if ( m_winLastFocused )
+ {
+ // and don't remember it if it's a child from some other frame
+ if ( wxGetTopLevelParent(m_winLastFocused) != this )
+ {
+ m_winLastFocused = NULL;
+ }
+ }
+}
+
+void wxTopLevelWindowMSW::DoRestoreLastFocus()
+{
+ wxWindow *parent = m_winLastFocused ? m_winLastFocused->GetParent()
+ : NULL;
+ if ( !parent )
+ {
+ parent = this;
+ }
+
+ wxSetFocusToChild(parent, &m_winLastFocused);
+}
+
+void wxTopLevelWindowMSW::OnActivate(wxActivateEvent& event)
+{
+ if ( event.GetActive() )
+ {
+ // We get WM_ACTIVATE before being restored from iconized state, so we
+ // can be still iconized here. In this case, avoid restoring the focus
+ // as it doesn't work anyhow and we will do when we're really restored.
+ if ( m_iconized )
+ {
+ event.Skip();
+ return;
+ }
+
+ // restore focus to the child which was last focused unless we already
+ // have it
+ wxLogTrace(wxT("focus"), wxT("wxTLW %p activated."), m_hWnd);
+
+ wxWindow *winFocus = FindFocus();
+ if ( !winFocus || wxGetTopLevelParent(winFocus) != this )
+ DoRestoreLastFocus();
+ }
+ else // deactivating
+ {
+ DoSaveLastFocus();
+
+ wxLogTrace(wxT("focus"),
+ wxT("wxTLW %p deactivated, last focused: %p."),
+ m_hWnd,
+ m_winLastFocused ? GetHwndOf(m_winLastFocused) : NULL);
+
+ event.Skip();
+ }
+}
+
+#if wxUSE_MENUS
+
+bool
+wxTopLevelWindowMSW::HandleMenuSelect(WXWORD nItem, WXWORD flags, WXHMENU hMenu)
+{
+ // Ignore the special messages generated when the menu is closed (this is
+ // the only case when the flags are set to -1), in particular don't clear
+ // the help string in the status bar when this happens as it had just been
+ // restored by the base class code.
+ if ( !hMenu && flags == 0xffff )
+ return false;
+
+ // Unfortunately we also need to ignore another message which is sent after
+ // closing the currently active submenu of the menu bar by pressing Escape:
+ // in this case we get WM_UNINITMENUPOPUP, from which we generate
+ // wxEVT_MENU_CLOSE, and _then_ we get WM_MENUSELECT for the top level menu
+ // from which we overwrite the help string just restored by OnMenuClose()
+ // handler in wxFrameBase. To prevent this from happening we discard these
+ // messages but only in the case it's really the top level menu as we still
+ // need to clear the help string when a submenu is selected in a menu.
+ if ( flags == (MF_POPUP | MF_HILITE) && !m_menuDepth )
+ return false;
+
+ // sign extend to int from unsigned short we get from Windows
+ int item = (signed short)nItem;
+
+ // WM_MENUSELECT is generated for both normal items and menus, including
+ // the top level menus of the menu bar, which can't be represented using
+ // any valid identifier in wxMenuEvent so use an otherwise unused value for
+ // them
+ if ( flags & (MF_POPUP | MF_SEPARATOR) )
+ item = wxID_NONE;
+
+ wxMenuEvent event(wxEVT_MENU_HIGHLIGHT, item);
+ event.SetEventObject(this);
+
+ if ( HandleWindowEvent(event) )
+ return true;
+
+ // by default, i.e. if the event wasn't handled above, clear the status bar
+ // text when an item which can't have any associated help string in wx API
+ // is selected
+ if ( item == wxID_NONE )
+ DoGiveHelp(wxEmptyString, true);
+
+ return false;
+}
+
+bool
+wxTopLevelWindowMSW::DoSendMenuOpenCloseEvent(wxEventType evtType, wxMenu* menu, bool popup)
+{
+ // Update the menu depth when dealing with the top level menus.
+ if ( !popup )
+ {
+ if ( evtType == wxEVT_MENU_OPEN )
+ {
+ m_menuDepth++;
+ }
+ else if ( evtType == wxEVT_MENU_CLOSE )
+ {
+ wxASSERT_MSG( m_menuDepth > 0, wxS("No open menus?") );
+
+ m_menuDepth--;
+ }
+ else
+ {
+ wxFAIL_MSG( wxS("Unexpected menu event type") );
+ }
+ }
+
+ wxMenuEvent event(evtType, popup ? wxID_ANY : 0, menu);
+ event.SetEventObject(menu);
+
+ return HandleWindowEvent(event);
+}
+
+bool wxTopLevelWindowMSW::HandleExitMenuLoop(WXWORD isPopup)
+{
+ return DoSendMenuOpenCloseEvent(wxEVT_MENU_CLOSE,
+ isPopup ? wxCurrentPopupMenu : NULL,
+ isPopup != 0);
+}
+
+bool wxTopLevelWindowMSW::HandleMenuPopup(wxEventType evtType, WXHMENU hMenu)
+{
+ bool isPopup = false;
+ wxMenu* menu = NULL;
+ if ( wxCurrentPopupMenu && wxCurrentPopupMenu->GetHMenu() == hMenu )
+ {
+ menu = wxCurrentPopupMenu;
+ isPopup = true;
+ }
+ else
+ {
+ menu = MSWFindMenuFromHMENU(hMenu);
+ }
+
+
+ return DoSendMenuOpenCloseEvent(evtType, menu, isPopup);
+}
+
+wxMenu* wxTopLevelWindowMSW::MSWFindMenuFromHMENU(WXHMENU WXUNUSED(hMenu))
+{
+ // We don't have any menus at this level.
+ return NULL;
+}
+
+#endif // wxUSE_MENUS
+
+
+
+// the DialogProc for all wxWidgets dialogs
+LONG APIENTRY _EXPORT
+wxDlgProc(HWND hDlg,
+ UINT message,
+ WPARAM WXUNUSED(wParam),
+ LPARAM WXUNUSED(lParam))
+{
+ switch ( message )
+ {
+ case WM_INITDIALOG:
+ {
+ // under CE, add a "Ok" button in the dialog title bar and make it full
+ // screen
+ //
+ // TODO: find the window for this HWND, and take into account
+ // wxMAXIMIZE and wxCLOSE_BOX. For now, assume both are present.
+ //
+ // Standard SDK doesn't have aygshell.dll: see
+ // include/wx/msw/wince/libraries.h
+#if defined(__WXWINCE__) && !defined(__WINCE_STANDARDSDK__) && !defined(__HANDHELDPC__)
+ SHINITDLGINFO shidi;
+ shidi.dwMask = SHIDIM_FLAGS;
+ shidi.dwFlags = SHIDIF_SIZEDLG // take account of the SIP or menubar
+#ifndef __SMARTPHONE__
+ | SHIDIF_DONEBUTTON
+#endif
+ ;
+ shidi.hDlg = hDlg;
+ SHInitDialog( &shidi );
+#else // no SHInitDialog()
+ wxUnusedVar(hDlg);
+#endif
+ // for WM_INITDIALOG, returning TRUE tells system to set focus to
+ // the first control in the dialog box, but as we set the focus
+ // ourselves, we return FALSE for it as well
+ return FALSE;
+ }
+ }
+
+ // for almost all messages, returning FALSE means that we didn't process
+ // the message
+ return FALSE;
+}
+
+// ============================================================================
+// wxTLWHiddenParentModule implementation
+// ============================================================================
+
+HWND wxTLWHiddenParentModule::ms_hwnd = NULL;
+
+const wxChar *wxTLWHiddenParentModule::ms_className = NULL;
+
+bool wxTLWHiddenParentModule::OnInit()
+{
+ ms_hwnd = NULL;
+ ms_className = NULL;
+
+ return true;
+}
+
+void wxTLWHiddenParentModule::OnExit()
+{
+ if ( ms_hwnd )
+ {
+ if ( !::DestroyWindow(ms_hwnd) )
+ {
+ wxLogLastError(wxT("DestroyWindow(hidden TLW parent)"));
+ }
+
+ ms_hwnd = NULL;
+ }
+
+ if ( ms_className )
+ {
+ if ( !::UnregisterClass(ms_className, wxGetInstance()) )
+ {
+ wxLogLastError(wxT("UnregisterClass(\"wxTLWHiddenParent\")"));
+ }
+
+ ms_className = NULL;
+ }
+}
+
+/* static */
+HWND wxTLWHiddenParentModule::GetHWND()
+{
+ if ( !ms_hwnd )
+ {
+ if ( !ms_className )
+ {
+ static const wxChar *HIDDEN_PARENT_CLASS = wxT("wxTLWHiddenParent");
+
+ WNDCLASS wndclass;
+ wxZeroMemory(wndclass);
+
+ wndclass.lpfnWndProc = DefWindowProc;
+ wndclass.hInstance = wxGetInstance();
+ wndclass.lpszClassName = HIDDEN_PARENT_CLASS;
+
+ if ( !::RegisterClass(&wndclass) )
+ {
+ wxLogLastError(wxT("RegisterClass(\"wxTLWHiddenParent\")"));
+ }
+ else
+ {
+ ms_className = HIDDEN_PARENT_CLASS;
+ }
+ }
+
+ ms_hwnd = ::CreateWindow(ms_className, wxEmptyString, 0, 0, 0, 0, 0, NULL,
+ (HMENU)NULL, wxGetInstance(), NULL);
+ if ( !ms_hwnd )
+ {
+ wxLogLastError(wxT("CreateWindow(hidden TLW parent)"));
+ }
+ }
+
+ return ms_hwnd;
+}
projects / wxWidgets.git / blobdiff