a290fa5a7d
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@28748 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
226 lines
5.7 KiB
C++
226 lines
5.7 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: src/univ/dialog.cpp
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// Author: Robert Roebling, Vaclav Slavik
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// Id: $Id$
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// Copyright: (c) 2001 SciTech Software, Inc. (www.scitechsoft.com)
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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// ============================================================================
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// declarations
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// ============================================================================
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// ----------------------------------------------------------------------------
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// headers
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// ----------------------------------------------------------------------------
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#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
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#pragma implementation "univdialog.h"
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#endif
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// For compilers that support precompilation, includes "wx.h".
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#include "wx/wxprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#ifndef WX_PRECOMP
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#include "wx/dialog.h"
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#include "wx/utils.h"
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#include "wx/app.h"
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#endif
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#include "wx/evtloop.h"
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//-----------------------------------------------------------------------------
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// wxDialog
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//-----------------------------------------------------------------------------
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BEGIN_EVENT_TABLE(wxDialog,wxDialogBase)
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EVT_BUTTON (wxID_OK, wxDialog::OnOK)
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EVT_BUTTON (wxID_CANCEL, wxDialog::OnCancel)
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EVT_BUTTON (wxID_APPLY, wxDialog::OnApply)
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EVT_CLOSE (wxDialog::OnCloseWindow)
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END_EVENT_TABLE()
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IMPLEMENT_DYNAMIC_CLASS(wxDialog,wxTopLevelWindow)
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void wxDialog::Init()
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{
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m_returnCode = 0;
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m_windowDisabler = NULL;
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m_eventLoop = NULL;
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m_isShowingModal = false;
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}
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wxDialog::~wxDialog()
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{
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delete m_eventLoop;
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}
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bool wxDialog::Create(wxWindow *parent,
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wxWindowID id, const wxString &title,
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const wxPoint &pos, const wxSize &size,
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long style, const wxString &name)
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{
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SetExtraStyle(GetExtraStyle() | wxTOPLEVEL_EX_DIALOG);
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// all dialogs should have tab traversal enabled
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style |= wxTAB_TRAVERSAL;
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return wxTopLevelWindow::Create(parent, id, title, pos, size, style, name);
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}
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void wxDialog::OnApply(wxCommandEvent &WXUNUSED(event))
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{
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if ( Validate() )
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TransferDataFromWindow();
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}
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void wxDialog::OnCancel(wxCommandEvent &WXUNUSED(event))
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{
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if ( IsModal() )
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{
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EndModal(wxID_CANCEL);
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}
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else
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{
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SetReturnCode(wxID_CANCEL);
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Show(false);
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}
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}
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void wxDialog::OnOK(wxCommandEvent &WXUNUSED(event))
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{
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if ( Validate() && TransferDataFromWindow() )
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{
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if ( IsModal() )
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{
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EndModal(wxID_OK);
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}
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else
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{
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SetReturnCode(wxID_OK);
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Show(false);
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}
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}
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}
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void wxDialog::OnCloseWindow(wxCloseEvent& WXUNUSED(event))
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{
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// We'll send a Cancel message by default,
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// which may close the dialog.
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// Check for looping if the Cancel event handler calls Close().
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// Note that if a cancel button and handler aren't present in the dialog,
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// nothing will happen when you close the dialog via the window manager, or
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// via Close().
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// We wouldn't want to destroy the dialog by default, since the dialog may have been
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// created on the stack.
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// However, this does mean that calling dialog->Close() won't delete the dialog
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// unless the handler for wxID_CANCEL does so. So use Destroy() if you want to be
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// sure to destroy the dialog.
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// The default OnCancel (above) simply ends a modal dialog, and hides a modeless dialog.
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static wxList s_closing;
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if (s_closing.Member(this))
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return; // no loops
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s_closing.Append(this);
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wxCommandEvent cancelEvent(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
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cancelEvent.SetEventObject(this);
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GetEventHandler()->ProcessEvent(cancelEvent);
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s_closing.DeleteObject(this);
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}
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bool wxDialog::Show(bool show)
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{
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if ( !show )
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{
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// if we had disabled other app windows, reenable them back now because
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// if they stay disabled Windows will activate another window (one
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// which is enabled, anyhow) and we will lose activation
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if ( m_windowDisabler )
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{
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delete m_windowDisabler;
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m_windowDisabler = NULL;
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}
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if ( IsModal() )
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EndModal(wxID_CANCEL);
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}
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bool ret = wxDialogBase::Show(show);
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if ( show )
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InitDialog();
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return ret;
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}
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bool wxDialog::IsModal() const
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{
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return m_isShowingModal;
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}
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int wxDialog::ShowModal()
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{
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if ( IsModal() )
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{
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wxFAIL_MSG( wxT("wxDialog:ShowModal called twice") );
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return GetReturnCode();
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}
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// use the apps top level window as parent if none given unless explicitly
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// forbidden
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if ( !GetParent() && !(GetWindowStyleFlag() & wxDIALOG_NO_PARENT) )
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{
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wxWindow *parent = wxTheApp->GetTopWindow();
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if ( parent && parent != this )
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{
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m_parent = parent;
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}
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}
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Show(true);
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m_isShowingModal = true;
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wxASSERT_MSG( !m_windowDisabler, _T("disabling windows twice?") );
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#if defined(__WXGTK__) || defined(__WXMGL__)
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wxBusyCursorSuspender suspender;
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// FIXME (FIXME_MGL) - make sure busy cursor disappears under MSW too
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#endif
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m_windowDisabler = new wxWindowDisabler(this);
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if ( !m_eventLoop )
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m_eventLoop = new wxEventLoop;
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m_eventLoop->Run();
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return GetReturnCode();
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}
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void wxDialog::EndModal(int retCode)
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{
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wxASSERT_MSG( m_eventLoop, _T("wxDialog is not modal") );
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SetReturnCode(retCode);
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if ( !IsModal() )
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{
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wxFAIL_MSG( wxT("wxDialog:EndModal called twice") );
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return;
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}
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m_isShowingModal = false;
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m_eventLoop->Exit();
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Show(false);
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}
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