+ EVT_CHAR_HOOK(wxDialogBase::OnCharHook)
+END_EVENT_TABLE()
+
+wxDialogLayoutAdapter* wxDialogBase::sm_layoutAdapter = NULL;
+bool wxDialogBase::sm_layoutAdaptation = false;
+
+void wxDialogBase::Init()
+{
+ m_returnCode = 0;
+ m_affirmativeId = wxID_OK;
+ m_escapeId = wxID_ANY;
+ m_layoutAdaptationLevel = 3;
+ m_layoutAdaptationDone = FALSE;
+ m_layoutAdaptationMode = wxDIALOG_ADAPTATION_MODE_DEFAULT;
+
+ // the dialogs have this flag on by default to prevent the events from the
+ // dialog controls from reaching the parent frame which is usually
+ // undesirable and can lead to unexpected and hard to find bugs
+ SetExtraStyle(GetExtraStyle() | wxWS_EX_BLOCK_EVENTS);
+}
+
+wxWindow *wxDialogBase::CheckIfCanBeUsedAsParent(wxWindow *parent) const
+{
+ if ( !parent )
+ return NULL;
+
+ extern WXDLLIMPEXP_DATA_BASE(wxList) wxPendingDelete;
+ if ( wxPendingDelete.Member(parent) || parent->IsBeingDeleted() )
+ {
+ // this window is being deleted and we shouldn't create any children
+ // under it
+ return NULL;
+ }
+
+ if ( parent->HasExtraStyle(wxWS_EX_TRANSIENT) )
+ {
+ // this window is not being deleted yet but it's going to disappear
+ // soon so still don't parent this window under it
+ return NULL;
+ }
+
+ if ( !parent->IsShownOnScreen() )
+ {
+ // using hidden parent won't work correctly neither
+ return NULL;
+ }
+
+ // FIXME-VC6: this compiler requires an explicit const cast or it fails
+ // with error C2446
+ if ( const_cast<const wxWindow *>(parent) == this )
+ {
+ // not sure if this can really happen but it doesn't hurt to guard
+ // against this clearly invalid situation
+ return NULL;
+ }
+
+ return parent;
+}
+
+wxWindow *
+wxDialogBase::GetParentForModalDialog(wxWindow *parent, long style) const
+{
+ // creating a parent-less modal dialog will result (under e.g. wxGTK2)
+ // in an unfocused dialog, so try to find a valid parent for it unless we
+ // were explicitly asked not to
+ if ( style & wxDIALOG_NO_PARENT )
+ return NULL;
+
+ // first try the given parent
+ if ( parent )
+ parent = CheckIfCanBeUsedAsParent(wxGetTopLevelParent(parent));
+
+ // then the currently active window
+ if ( !parent )
+ parent = CheckIfCanBeUsedAsParent(
+ wxGetTopLevelParent(wxGetActiveWindow()));
+
+ // and finally the application main window
+ if ( !parent )
+ parent = CheckIfCanBeUsedAsParent(wxTheApp->GetTopWindow());
+
+ return parent;
+}
+
+#if wxUSE_STATTEXT
+
+wxSizer *wxDialogBase::CreateTextSizer(const wxString& message)
+{
+ wxTextSizerWrapper wrapper(this);
+
+ return CreateTextSizer(message, wrapper);
+}
+
+wxSizer *wxDialogBase::CreateTextSizer(const wxString& message,
+ wxTextSizerWrapper& wrapper)
+{
+ // I admit that this is complete bogus, but it makes
+ // message boxes work for pda screens temporarily..
+ int widthMax = -1;
+ const bool is_pda = wxSystemSettings::GetScreenType() <= wxSYS_SCREEN_PDA;
+ if (is_pda)
+ {
+ widthMax = wxSystemSettings::GetMetric( wxSYS_SCREEN_X ) - 25;
+ }
+
+ // '&' is used as accel mnemonic prefix in the wxWidgets controls but in
+ // the static messages created by CreateTextSizer() (used by wxMessageBox,
+ // for example), we don't want this special meaning, so we need to quote it
+ wxString text(message);
+ text.Replace(wxT("&"), wxT("&&"));
+
+ return wrapper.CreateSizer(text, widthMax);
+}
+
+#endif // wxUSE_STATTEXT
+
+wxSizer *wxDialogBase::CreateButtonSizer(long flags)
+{
+#ifdef __SMARTPHONE__
+ wxDialog* dialog = (wxDialog*) this;
+ if ( flags & wxOK )
+ dialog->SetLeftMenu(wxID_OK);
+
+ if ( flags & wxCANCEL )
+ dialog->SetRightMenu(wxID_CANCEL);
+
+ if ( flags & wxYES )
+ dialog->SetLeftMenu(wxID_YES);
+
+ if ( flags & wxNO )
+ dialog->SetRightMenu(wxID_NO);
+
+ return NULL;
+#else // !__SMARTPHONE__
+
+#if wxUSE_BUTTON
+
+#ifdef __POCKETPC__
+ // PocketPC guidelines recommend for Ok/Cancel dialogs to use OK button
+ // located inside caption bar and implement Cancel functionality through
+ // Undo outside dialog. As native behaviour this will be default here but
+ // can be replaced with real wxButtons by setting the option below to 1
+ if ( (flags & ~(wxCANCEL|wxNO_DEFAULT)) != wxOK ||
+ wxSystemOptions::GetOptionInt(wxT("wince.dialog.real-ok-cancel")) )
+#endif // __POCKETPC__
+ {
+ return CreateStdDialogButtonSizer(flags);
+ }
+#ifdef __POCKETPC__
+ return NULL;
+#endif // __POCKETPC__
+
+#else // !wxUSE_BUTTON
+ wxUnusedVar(flags);
+
+ return NULL;
+#endif // wxUSE_BUTTON/!wxUSE_BUTTON
+
+#endif // __SMARTPHONE__/!__SMARTPHONE__
+}
+
+wxSizer *wxDialogBase::CreateSeparatedButtonSizer(long flags)
+{
+ wxSizer *sizer = CreateButtonSizer(flags);
+ if ( !sizer )
+ return NULL;
+
+ // Mac Human Interface Guidelines recommend not to use static lines as
+ // grouping elements
+#if wxUSE_STATLINE && !defined(__WXMAC__)
+ wxBoxSizer *topsizer = new wxBoxSizer(wxVERTICAL);
+ topsizer->Add(new wxStaticLine(this),
+ wxSizerFlags().Expand().DoubleBorder(wxBOTTOM));
+ topsizer->Add(sizer, wxSizerFlags().Expand());
+ sizer = topsizer;
+#endif // wxUSE_STATLINE
+
+ return sizer;
+}
+
+#if wxUSE_BUTTON
+
+wxStdDialogButtonSizer *wxDialogBase::CreateStdDialogButtonSizer( long flags )
+{
+ wxStdDialogButtonSizer *sizer = new wxStdDialogButtonSizer();
+
+ wxButton *ok = NULL;
+ wxButton *yes = NULL;
+ wxButton *no = NULL;
+
+ if (flags & wxOK)
+ {
+ ok = new wxButton(this, wxID_OK);
+ sizer->AddButton(ok);
+ }
+
+ if (flags & wxCANCEL)
+ {
+ wxButton *cancel = new wxButton(this, wxID_CANCEL);
+ sizer->AddButton(cancel);
+ }
+
+ if (flags & wxYES)
+ {
+ yes = new wxButton(this, wxID_YES);
+ sizer->AddButton(yes);
+ }
+
+ if (flags & wxNO)
+ {
+ no = new wxButton(this, wxID_NO);
+ sizer->AddButton(no);
+ }
+
+ if (flags & wxAPPLY)
+ {
+ wxButton *apply = new wxButton(this, wxID_APPLY);
+ sizer->AddButton(apply);
+ }
+
+ if (flags & wxCLOSE)
+ {
+ wxButton *close = new wxButton(this, wxID_CLOSE);
+ sizer->AddButton(close);
+ }
+
+ if (flags & wxHELP)
+ {
+ wxButton *help = new wxButton(this, wxID_HELP);
+ sizer->AddButton(help);
+ }
+
+ if (flags & wxNO_DEFAULT)
+ {
+ if (no)
+ {
+ no->SetDefault();
+ no->SetFocus();
+ }
+ }
+ else
+ {
+ if (ok)
+ {
+ ok->SetDefault();
+ ok->SetFocus();
+ }
+ else if (yes)
+ {
+ yes->SetDefault();
+ yes->SetFocus();
+ }
+ }
+
+ if (flags & wxOK)
+ SetAffirmativeId(wxID_OK);
+ else if (flags & wxYES)
+ SetAffirmativeId(wxID_YES);
+
+ sizer->Realize();
+
+ return sizer;
+}
+
+#endif // wxUSE_BUTTON
+
+// ----------------------------------------------------------------------------
+// standard buttons handling
+// ----------------------------------------------------------------------------
+
+void wxDialogBase::EndDialog(int rc)
+{
+ if ( IsModal() )
+ EndModal(rc);
+ else
+ Hide();
+}
+
+void wxDialogBase::AcceptAndClose()
+{
+ if ( Validate() && TransferDataFromWindow() )
+ {
+ EndDialog(m_affirmativeId);
+ }
+}
+
+void wxDialogBase::SetAffirmativeId(int affirmativeId)
+{
+ m_affirmativeId = affirmativeId;
+}
+
+void wxDialogBase::SetEscapeId(int escapeId)
+{
+ m_escapeId = escapeId;
+}
+
+bool wxDialogBase::EmulateButtonClickIfPresent(int id)
+{
+#if wxUSE_BUTTON
+ wxButton *btn = wxDynamicCast(FindWindow(id), wxButton);
+
+ if ( !btn || !btn->IsEnabled() || !btn->IsShown() )
+ return false;
+
+ wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, id);
+ event.SetEventObject(btn);
+ btn->GetEventHandler()->ProcessEvent(event);
+
+ return true;
+#else // !wxUSE_BUTTON
+ wxUnusedVar(id);
+ return false;
+#endif // wxUSE_BUTTON/!wxUSE_BUTTON
+}
+
+bool wxDialogBase::IsEscapeKey(const wxKeyEvent& event)
+{
+ // for most platforms, Esc key is used to close the dialogs
+ return event.GetKeyCode() == WXK_ESCAPE &&
+ event.GetModifiers() == wxMOD_NONE;
+}
+
+void wxDialogBase::OnCharHook(wxKeyEvent& event)
+{
+ if ( event.GetKeyCode() == WXK_ESCAPE )
+ {
+ int idCancel = GetEscapeId();
+ switch ( idCancel )
+ {
+ case wxID_NONE:
+ // don't handle Esc specially at all
+ break;
+
+ case wxID_ANY:
+ // this value is special: it means translate Esc to wxID_CANCEL
+ // but if there is no such button, then fall back to wxID_OK
+ if ( EmulateButtonClickIfPresent(wxID_CANCEL) )
+ return;
+ idCancel = GetAffirmativeId();
+ // fall through
+
+ default:
+ // translate Esc to button press for the button with given id
+ if ( EmulateButtonClickIfPresent(idCancel) )
+ return;
+ }
+ }
+
+ event.Skip();
+}
+
+void wxDialogBase::OnButton(wxCommandEvent& event)
+{
+ const int id = event.GetId();
+ if ( id == GetAffirmativeId() )
+ {
+ AcceptAndClose();
+ }
+ else if ( id == wxID_APPLY )
+ {
+ if ( Validate() )
+ TransferDataFromWindow();
+
+ // TODO: disable the Apply button until things change again
+ }
+ else if ( id == GetEscapeId() ||
+ (id == wxID_CANCEL && GetEscapeId() == wxID_ANY) )
+ {
+ EndDialog(wxID_CANCEL);
+ }
+ else // not a standard button
+ {
+ event.Skip();
+ }
+}
projects / wxWidgets.git / blobdiff