src/cocoa/msgdlg.mm

   1  /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/cocoa/dirdlg.mm
   3 // Purpose:     wxMessageDialog for wxCocoa
   4 // Author:      Gareth Simpson
   5 // Created:     2007-10-09
   6 // RCS-ID:      $Id$
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 // ============================================================================
  11 // declarations
  12 // ============================================================================
  13
  14 // ----------------------------------------------------------------------------
  15 // headers
  16 // ----------------------------------------------------------------------------
  17
  18 // For compilers that support precompilation, includes "wx.h".
  19 #include "wx/wxprec.h"
  20
  21 #if wxUSE_MSGDLG
  22
  23
  24 #include "wx/msgdlg.h"
  25
  26
  27 #ifndef WX_PRECOMP
  28     #include "wx/app.h"
  29 #endif
  30
  31
  32 #include "wx/cocoa/autorelease.h"
  33 #include "wx/cocoa/string.h"
  34 #include "wx/modalhook.h"
  35
  36 #import <AppKit/NSAlert.h>
  37 // ============================================================================
  38 // implementation
  39 // ============================================================================
  40
  41 IMPLEMENT_CLASS(wxCocoaMessageDialog, wxDialog)
  42
  43 // ----------------------------------------------------------------------------
  44 // wxDirDialog
  45 // ----------------------------------------------------------------------------
  46
  47 wxCocoaMessageDialog::wxCocoaMessageDialog(wxWindow *parent,
  48                                            const wxString& message,
  49                                            const wxString& caption,
  50                                            long style,
  51                                            const wxPoint& pos)
  52     : wxMessageDialogWithCustomLabels(parent, message, caption, style)
  53 {
  54
  55     wxTopLevelWindows.Append(this);
  56
  57     wxASSERT(CreateBase(parent,wxID_ANY,wxDefaultPosition,wxDefaultSize,style,wxDefaultValidator,wxDialogNameStr));
  58
  59     if ( parent )
  60         parent->AddChild(this);
  61
  62
  63     m_cocoaNSWindow = nil;
  64     m_cocoaNSView = nil;
  65 }
  66
  67 void wxCocoaMessageDialog::DoSetCustomLabel(wxString& var, const ButtonLabel& value)
  68 {
  69     wxMessageDialogWithCustomLabels::DoSetCustomLabel(var, value);
  70
  71     var.Replace("&", "");
  72 }
  73
  74 int wxCocoaMessageDialog::ShowModal()
  75 {
  76     WX_HOOK_MODAL_DIALOG();
  77
  78     wxAutoNSAutoreleasePool thePool;
  79
  80     NSAlert *alert = [[[NSAlert alloc] init] autorelease];
  81
  82     const long style = GetMessageDialogStyle();
  83
  84     NSAlertStyle nsStyle = NSInformationalAlertStyle;
  85
  86     switch ( GetEffectiveIcon() )
  87     {
  88         case wxICON_ERROR:
  89             nsStyle = NSCriticalAlertStyle;
  90             break;
  91
  92         case wxICON_WARNING:
  93             nsStyle = NSWarningAlertStyle;
  94             break;
  95     }
  96
  97     [alert setAlertStyle:nsStyle];
  98
  99
 100
 101
 102     // work out what to display
 103     // if the extended text is empty then we use the caption as the title
 104     // and the message as the text (for backwards compatibility)
 105     // but if the extended message is not empty then we use the message as the title
 106     // and the extended message as the text because that makes more sense
 107     if (m_extendedMessage.empty())
 108     {
 109         [alert setMessageText:wxNSStringWithWxString(m_caption)];
 110         [alert setInformativeText:wxNSStringWithWxString(m_message)];
 111     }
 112     else
 113     {
 114         [alert setMessageText:wxNSStringWithWxString(m_message)];
 115         [alert setInformativeText:wxNSStringWithWxString(m_extendedMessage)];
 116     }
 117
 118     //    The wxReturn value corresponding to each button
 119     int buttonId[4] = { 0, 0, 0, wxID_CANCEL /* time-out */ };
 120     if (style & wxYES_NO)
 121     {
 122         if ( style & wxNO_DEFAULT )
 123         {
 124             [alert addButtonWithTitle:wxNSStringWithWxString(GetNoLabel())];
 125             [alert addButtonWithTitle:wxNSStringWithWxString(GetYesLabel())];
 126             buttonId[0] = wxID_NO;
 127             buttonId[1] = wxID_YES;
 128         }
 129         else
 130         {
 131             [alert addButtonWithTitle:wxNSStringWithWxString(GetYesLabel())];
 132             [alert addButtonWithTitle:wxNSStringWithWxString(GetNoLabel())];
 133             buttonId[0] = wxID_YES;
 134             buttonId[1] = wxID_NO;
 135         }
 136         if (style & wxCANCEL)
 137         {
 138             [alert addButtonWithTitle:wxNSStringWithWxString(GetCancelLabel())];
 139             buttonId[2] = wxID_CANCEL;
 140         }
 141     }
 142     else
 143     {
 144         // the MSW implementation even shows an OK button if it is not specified, we'll do the same
 145         buttonId[0] = wxID_OK;
 146         // using null as default title does not work on earlier systems
 147         [alert addButtonWithTitle:wxNSStringWithWxString(GetOKLabel())];
 148         if (style & wxCANCEL)
 149         {
 150             [alert addButtonWithTitle:wxNSStringWithWxString(GetCancelLabel())];
 151             buttonId[1] = wxID_CANCEL;
 152         }
 153     }
 154
 155     int ret = [alert runModal];
 156
 157
 158     return buttonId[ret-NSAlertFirstButtonReturn];
 159 }
 160
 161 #endif // wxUSE_DIRDLG
 162