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