1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/univ/dialog.cpp
3 // Author: Robert Roebling, Vaclav Slavik
5 // Copyright: (c) 2001 SciTech Software, Inc. (www.scitechsoft.com)
6 // Licence: wxWindows licence
7 /////////////////////////////////////////////////////////////////////////////
9 // ============================================================================
11 // ============================================================================
13 // ----------------------------------------------------------------------------
15 // ----------------------------------------------------------------------------
17 // For compilers that support precompilation, includes "wx.h".
18 #include "wx/wxprec.h"
24 #include "wx/dialog.h"
31 #include "wx/evtloop.h"
33 //-----------------------------------------------------------------------------
35 //-----------------------------------------------------------------------------
37 BEGIN_EVENT_TABLE(wxDialog,wxDialogBase)
38 EVT_BUTTON (wxID_OK, wxDialog::OnOK)
39 EVT_BUTTON (wxID_CANCEL, wxDialog::OnCancel)
40 EVT_BUTTON (wxID_APPLY, wxDialog::OnApply)
41 EVT_CLOSE (wxDialog::OnCloseWindow)
47 m_windowDisabler = NULL;
49 m_isShowingModal = false;
54 // if the dialog is modal, this will end its event loop
60 bool wxDialog::Create(wxWindow *parent,
61 wxWindowID id, const wxString &title,
62 const wxPoint &pos, const wxSize &size,
63 long style, const wxString &name)
65 SetExtraStyle(GetExtraStyle() | wxTOPLEVEL_EX_DIALOG);
67 // all dialogs should have tab traversal enabled
68 style |= wxTAB_TRAVERSAL;
70 return wxTopLevelWindow::Create(parent, id, title, pos, size, style, name);
73 void wxDialog::OnApply(wxCommandEvent &WXUNUSED(event))
76 TransferDataFromWindow();
79 void wxDialog::OnCancel(wxCommandEvent &WXUNUSED(event))
83 EndModal(wxID_CANCEL);
87 SetReturnCode(wxID_CANCEL);
92 void wxDialog::OnOK(wxCommandEvent &WXUNUSED(event))
94 if ( Validate() && TransferDataFromWindow() )
102 SetReturnCode(wxID_OK);
108 void wxDialog::OnCloseWindow(wxCloseEvent& WXUNUSED(event))
110 // We'll send a Cancel message by default,
111 // which may close the dialog.
112 // Check for looping if the Cancel event handler calls Close().
114 // Note that if a cancel button and handler aren't present in the dialog,
115 // nothing will happen when you close the dialog via the window manager, or
117 // We wouldn't want to destroy the dialog by default, since the dialog may have been
118 // created on the stack.
119 // However, this does mean that calling dialog->Close() won't delete the dialog
120 // unless the handler for wxID_CANCEL does so. So use Destroy() if you want to be
121 // sure to destroy the dialog.
122 // The default OnCancel (above) simply ends a modal dialog, and hides a modeless dialog.
124 static wxList s_closing;
126 if (s_closing.Member(this))
129 s_closing.Append(this);
131 wxCommandEvent cancelEvent(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
132 cancelEvent.SetEventObject(this);
133 GetEventHandler()->ProcessEvent(cancelEvent);
134 s_closing.DeleteObject(this);
137 bool wxDialog::Show(bool show)
141 // if we had disabled other app windows, reenable them back now because
142 // if they stay disabled Windows will activate another window (one
143 // which is enabled, anyhow) and we will lose activation
144 wxDELETE(m_windowDisabler);
147 EndModal(wxID_CANCEL);
150 if (show && CanDoLayoutAdaptation())
151 DoLayoutAdaptation();
153 bool ret = wxDialogBase::Show(show);
161 bool wxDialog::IsModal() const
163 return m_isShowingModal;
166 int wxDialog::ShowModal()
170 wxFAIL_MSG( wxT("wxDialog:ShowModal called twice") );
171 return GetReturnCode();
174 // use the apps top level window as parent if none given unless explicitly
176 wxWindow * const parent = GetParentForModalDialog();
177 if ( parent && parent != this )
184 m_isShowingModal = true;
186 wxASSERT_MSG( !m_windowDisabler, wxT("disabling windows twice?") );
188 #if defined(__WXGTK__)
189 wxBusyCursorSuspender suspender;
192 m_windowDisabler = new wxWindowDisabler(this);
194 m_eventLoop = new wxEventLoop;
198 return GetReturnCode();
201 void wxDialog::EndModal(int retCode)
203 wxASSERT_MSG( m_eventLoop, wxT("wxDialog is not modal") );
205 SetReturnCode(retCode);
209 wxFAIL_MSG( wxT("wxDialog:EndModal called twice") );
213 m_isShowingModal = false;