wxWidgets/src/cocoa/msgdlg.mm

 /////////////////////////////////////////////////////////////////////////////
// Name:        src/cocoa/dirdlg.mm
// Purpose:     wxMessageDialog for wxCocoa
// Author:      Gareth Simpson
// Created:     2007-10-09
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

// ============================================================================
// declarations
// ============================================================================

// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------

// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"

#if wxUSE_MSGDLG


#include "wx/msgdlg.h"


#ifndef WX_PRECOMP
    #include "wx/app.h"
#endif


#include "wx/cocoa/autorelease.h"
#include "wx/cocoa/string.h"

#import <AppKit/NSAlert.h>
// ============================================================================
// implementation
// ============================================================================

IMPLEMENT_CLASS(wxCocoaMessageDialog, wxDialog)

// ----------------------------------------------------------------------------
// wxDirDialog
// ----------------------------------------------------------------------------

wxCocoaMessageDialog::wxCocoaMessageDialog(wxWindow *parent,
                        const wxString& message,
                        const wxString& caption,
                        long style,
						const wxPoint& pos) : wxMessageDialogBase(parent,message,caption,style)
{

	//m_caption = caption;
	//m_message = message;

    //wxTopLevelWindows.Append((wxWindowBase*)this);
	wxTopLevelWindows.Append(this);

    wxASSERT(CreateBase(parent,wxID_ANY,wxDefaultPosition,wxDefaultSize,style,wxDefaultValidator,wxDialogNameStr));

    if ( parent )
        parent->AddChild(this);


    m_cocoaNSWindow = nil;
    m_cocoaNSView = nil;
	
    m_yes = _("Yes");
    m_no  = _("No");
    m_ok  = _("OK");
    m_cancel = _("Cancel");

}

wxCocoaMessageDialog::~wxCocoaMessageDialog()
{
}

int wxCocoaMessageDialog::ShowModal()
{
	wxAutoNSAutoreleasePool thePool;

	NSAlert *alert = [[[NSAlert alloc] init] autorelease];
	
    const long style = GetMessageDialogStyle();

    NSAlertStyle nsStyle = NSInformationalAlertStyle;
    if (style & wxICON_EXCLAMATION)
        nsStyle = NSWarningAlertStyle;
    else if (style & wxICON_HAND)
        nsStyle = NSCriticalAlertStyle;
    else if (style & wxICON_INFORMATION)
        nsStyle = NSInformationalAlertStyle;
    else if (style & wxICON_QUESTION)
        nsStyle = NSInformationalAlertStyle;
		
	[alert setAlertStyle:nsStyle];
	
	

	
    // work out what to display
    // if the extended text is empty then we use the caption as the title
    // and the message as the text (for backwards compatibility)
    // but if the extended message is not empty then we use the message as the title
    // and the extended message as the text because that makes more sense
	if (m_extendedMessage.empty())
	{
		[alert setMessageText:wxNSStringWithWxString(m_caption)];
		[alert setInformativeText:wxNSStringWithWxString(m_message)];
	}
	else
	{
		[alert setMessageText:wxNSStringWithWxString(m_message)];
		[alert setInformativeText:wxNSStringWithWxString(m_extendedMessage)];	
	}
	
	//	The wxReturn value corresponding to each button
	int buttonId[4] = { 0, 0, 0, wxID_CANCEL /* time-out */ };
	if (style & wxYES_NO)
	{
		if ( style & wxNO_DEFAULT )
		{
			[alert addButtonWithTitle:wxNSStringWithWxString(m_no)];
			[alert addButtonWithTitle:wxNSStringWithWxString(m_yes)];
			buttonId[0] = wxID_NO;
			buttonId[1] = wxID_YES;
		}
		else
		{
			[alert addButtonWithTitle:wxNSStringWithWxString(m_yes)];
			[alert addButtonWithTitle:wxNSStringWithWxString(m_no)];
			buttonId[0] = wxID_YES;
			buttonId[1] = wxID_NO;
		}
		if (style & wxCANCEL)
		{
			[alert addButtonWithTitle:wxNSStringWithWxString(m_cancel)];
			buttonId[2] = wxID_CANCEL;
		}
	}
	else
	{
		// the MSW implementation even shows an OK button if it is not specified, we'll do the same
		buttonId[0] = wxID_OK;
		// using null as default title does not work on earlier systems
		[alert addButtonWithTitle:wxNSStringWithWxString(m_ok)];
		if (style & wxCANCEL)
		{
			[alert addButtonWithTitle:wxNSStringWithWxString(m_cancel)];
			buttonId[1] = wxID_CANCEL;
		}
	}
	
	int ret = [alert runModal];

	
	return buttonId[ret-NSAlertFirstButtonReturn];
}

bool wxCocoaMessageDialog::SetYesNoLabels(const wxString& yes,const wxString& no)
{
	m_yes = yes;
	m_yes.Replace(_("&"),_(""));
	m_no = no;
	m_no.Replace(_("&"),_(""));
	return true;
}
bool wxCocoaMessageDialog::SetYesNoCancelLabels(const wxString& yes, const wxString& no, const wxString& cancel)
{
	m_yes = yes;
	m_yes.Replace(_("&"),_(""));
	m_no = no;
	m_no.Replace(_("&"),_(""));
	m_cancel = cancel;
	m_cancel.Replace(_("&"),_(""));
	return true;
}
bool wxCocoaMessageDialog::SetOKLabel(const wxString& ok)
{
	m_ok = ok;
	m_ok.Replace(_("&"),_(""));
	return true;
}
bool wxCocoaMessageDialog::SetOKCancelLabels(const wxString& ok, const wxString& cancel)
{
	m_ok = ok;
	m_ok.Replace(_("&"),_(""));
	m_cancel = cancel;
	m_cancel.Replace(_("&"),_(""));
	return true;
}

#endif // wxUSE_DIRDLG