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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: src/osx/cocoa/msgdlg.mm | |
3 | // Purpose: wxMessageDialog | |
4 | // Author: Stefan Csomor | |
5 | // Modified by: | |
6 | // Created: 04/01/98 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) Stefan Csomor | |
9 | // Licence: wxWindows licence | |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | #include "wx/wxprec.h" | |
13 | ||
14 | #include "wx/msgdlg.h" | |
15 | ||
16 | #ifndef WX_PRECOMP | |
17 | #include "wx/intl.h" | |
18 | #include "wx/app.h" | |
19 | #endif | |
20 | ||
21 | #include "wx/thread.h" | |
22 | #include "wx/osx/private.h" | |
23 | ||
24 | ||
25 | IMPLEMENT_CLASS(wxMessageDialog, wxDialog) | |
26 | ||
27 | ||
28 | namespace | |
29 | { | |
30 | NSAlertStyle GetAlertStyleFromWXStyle( long style ) | |
31 | { | |
32 | NSAlertStyle alertType = NSWarningAlertStyle; | |
33 | if (style & wxICON_EXCLAMATION) | |
34 | alertType = NSCriticalAlertStyle; | |
35 | else if (style & wxICON_HAND) | |
36 | alertType = NSWarningAlertStyle; | |
37 | else if (style & wxICON_INFORMATION) | |
38 | alertType = NSInformationalAlertStyle; | |
39 | else if (style & wxICON_QUESTION) | |
40 | alertType = NSInformationalAlertStyle; | |
41 | return alertType; | |
42 | } | |
43 | } | |
44 | ||
45 | wxMessageDialog::wxMessageDialog(wxWindow *parent, | |
46 | const wxString& message, | |
47 | const wxString& caption, | |
48 | long style, | |
49 | const wxPoint& WXUNUSED(pos)) | |
50 | : wxMessageDialogBase(parent, message, caption, style) | |
51 | { | |
52 | m_sheetDelegate = [[ModalDialogDelegate alloc] init]; | |
53 | [(ModalDialogDelegate*)m_sheetDelegate setImplementation: this]; | |
54 | } | |
55 | ||
56 | wxMessageDialog::~wxMessageDialog() | |
57 | { | |
58 | [m_sheetDelegate release]; | |
59 | } | |
60 | ||
61 | int wxMessageDialog::ShowModal() | |
62 | { | |
63 | int resultbutton = wxID_CANCEL; | |
64 | ||
65 | const long style = GetMessageDialogStyle(); | |
66 | ||
67 | wxASSERT_MSG( (style & 0x3F) != wxYES, wxT("this style is not supported on Mac") ); | |
68 | ||
69 | // work out what to display | |
70 | // if the extended text is empty then we use the caption as the title | |
71 | // and the message as the text (for backwards compatibility) | |
72 | // but if the extended message is not empty then we use the message as the title | |
73 | // and the extended message as the text because that makes more sense | |
74 | ||
75 | wxString msgtitle,msgtext; | |
76 | if(m_extendedMessage.IsEmpty()) | |
77 | { | |
78 | msgtitle = m_caption; | |
79 | msgtext = m_message; | |
80 | } | |
81 | else | |
82 | { | |
83 | msgtitle = m_message; | |
84 | msgtext = m_extendedMessage; | |
85 | } | |
86 | ||
87 | ||
88 | if ( !wxIsMainThread() ) | |
89 | { | |
90 | CFStringRef defaultButtonTitle = NULL; | |
91 | CFStringRef alternateButtonTitle = NULL; | |
92 | CFStringRef otherButtonTitle = NULL; | |
93 | ||
94 | wxCFStringRef cfTitle( msgtitle, GetFont().GetEncoding() ); | |
95 | wxCFStringRef cfText( msgtext, GetFont().GetEncoding() ); | |
96 | ||
97 | wxCFStringRef cfNoString( GetNoLabel(), GetFont().GetEncoding() ); | |
98 | wxCFStringRef cfYesString( GetYesLabel(), GetFont().GetEncoding() ); | |
99 | wxCFStringRef cfOKString( GetOKLabel(), GetFont().GetEncoding()) ; | |
100 | wxCFStringRef cfCancelString( GetCancelLabel(), GetFont().GetEncoding() ); | |
101 | ||
102 | NSAlertStyle alertType = GetAlertStyleFromWXStyle(style); | |
103 | ||
104 | int m_buttonId[4] = { 0, 0, 0, wxID_CANCEL /* time-out */ }; | |
105 | ||
106 | if (style & wxYES_NO) | |
107 | { | |
108 | if ( style & wxNO_DEFAULT ) | |
109 | { | |
110 | defaultButtonTitle = cfNoString; | |
111 | alternateButtonTitle = cfYesString; | |
112 | m_buttonId[0] = wxID_NO; | |
113 | m_buttonId[1] = wxID_YES; | |
114 | } | |
115 | else | |
116 | { | |
117 | defaultButtonTitle = cfYesString; | |
118 | alternateButtonTitle = cfNoString; | |
119 | m_buttonId[0] = wxID_YES; | |
120 | m_buttonId[1] = wxID_NO; | |
121 | } | |
122 | if (style & wxCANCEL) | |
123 | { | |
124 | otherButtonTitle = cfCancelString; | |
125 | m_buttonId[2] = wxID_CANCEL; | |
126 | } | |
127 | } | |
128 | else | |
129 | { | |
130 | // the MSW implementation even shows an OK button if it is not specified, we'll do the same | |
131 | m_buttonId[0] = wxID_OK; | |
132 | // using null as default title does not work on earlier systems | |
133 | defaultButtonTitle = cfOKString; | |
134 | if (style & wxCANCEL) | |
135 | { | |
136 | alternateButtonTitle = cfCancelString; | |
137 | m_buttonId[1] = wxID_CANCEL; | |
138 | } | |
139 | } | |
140 | ||
141 | wxASSERT_MSG( !(style & wxHELP), "wxHELP not supported in non-GUI thread" ); | |
142 | ||
143 | CFOptionFlags exitButton; | |
144 | OSStatus err = CFUserNotificationDisplayAlert( | |
145 | 0, alertType, NULL, NULL, NULL, cfTitle, cfText, | |
146 | defaultButtonTitle, alternateButtonTitle, otherButtonTitle, &exitButton ); | |
147 | if (err == noErr) | |
148 | resultbutton = m_buttonId[exitButton]; | |
149 | } | |
150 | else | |
151 | { | |
152 | NSAlert* alert = (NSAlert*)ConstructNSAlert(); | |
153 | ||
154 | int button = -1; | |
155 | button = [alert runModal]; | |
156 | [alert release]; | |
157 | ModalFinishedCallback(alert, button); | |
158 | } | |
159 | ||
160 | return GetReturnCode(); | |
161 | } | |
162 | ||
163 | void wxMessageDialog::ShowWindowModal() | |
164 | { | |
165 | NSAlert* alert = (NSAlert*)ConstructNSAlert(); | |
166 | ||
167 | wxNonOwnedWindow* parentWindow = NULL; | |
168 | ||
169 | m_modality = wxDIALOG_MODALITY_WINDOW_MODAL; | |
170 | ||
171 | if (GetParent()) | |
172 | parentWindow = dynamic_cast<wxNonOwnedWindow*>(wxGetTopLevelParent(GetParent())); | |
173 | ||
174 | wxASSERT_MSG(parentWindow, "Window modal display requires parent."); | |
175 | ||
176 | if (parentWindow) | |
177 | { | |
178 | NSWindow* nativeParent = parentWindow->GetWXWindow(); | |
179 | [alert beginSheetModalForWindow: nativeParent modalDelegate: m_sheetDelegate | |
180 | didEndSelector: @selector(sheetDidEnd:returnCode:contextInfo:) | |
181 | contextInfo: nil]; | |
182 | } | |
183 | } | |
184 | ||
185 | void wxMessageDialog::ModalFinishedCallback(void* WXUNUSED(panel), int resultCode) | |
186 | { | |
187 | int resultbutton = wxID_CANCEL; | |
188 | if ( resultCode < NSAlertFirstButtonReturn ) | |
189 | resultbutton = wxID_CANCEL; | |
190 | else | |
191 | { | |
192 | if ( resultCode - NSAlertFirstButtonReturn < m_buttonCount ) | |
193 | resultbutton = m_buttonId[ resultCode - NSAlertFirstButtonReturn ]; | |
194 | else | |
195 | resultbutton = wxID_CANCEL; | |
196 | } | |
197 | SetReturnCode(resultbutton); | |
198 | ||
199 | if (GetModality() == wxDIALOG_MODALITY_WINDOW_MODAL) | |
200 | SendWindowModalDialogEvent ( wxEVT_WINDOW_MODAL_DIALOG_CLOSED ); | |
201 | } | |
202 | ||
203 | void* wxMessageDialog::ConstructNSAlert() | |
204 | { | |
205 | const long style = GetMessageDialogStyle(); | |
206 | ||
207 | wxASSERT_MSG( (style & 0x3F) != wxYES, wxT("this style is not supported on Mac") ); | |
208 | ||
209 | // work out what to display | |
210 | // if the extended text is empty then we use the caption as the title | |
211 | // and the message as the text (for backwards compatibility) | |
212 | // but if the extended message is not empty then we use the message as the title | |
213 | // and the extended message as the text because that makes more sense | |
214 | ||
215 | wxString msgtitle,msgtext; | |
216 | if(m_extendedMessage.IsEmpty()) | |
217 | { | |
218 | msgtitle = m_caption; | |
219 | msgtext = m_message; | |
220 | } | |
221 | else | |
222 | { | |
223 | msgtitle = m_message; | |
224 | msgtext = m_extendedMessage; | |
225 | } | |
226 | ||
227 | NSAlert* alert = [[NSAlert alloc] init]; | |
228 | NSAlertStyle alertType = GetAlertStyleFromWXStyle(style); | |
229 | ||
230 | wxCFStringRef cfNoString( GetNoLabel(), GetFont().GetEncoding() ); | |
231 | wxCFStringRef cfYesString( GetYesLabel(), GetFont().GetEncoding() ); | |
232 | wxCFStringRef cfOKString( GetOKLabel(), GetFont().GetEncoding() ); | |
233 | wxCFStringRef cfCancelString( GetCancelLabel(), GetFont().GetEncoding() ); | |
234 | ||
235 | wxCFStringRef cfTitle( msgtitle, GetFont().GetEncoding() ); | |
236 | wxCFStringRef cfText( msgtext, GetFont().GetEncoding() ); | |
237 | ||
238 | [alert setMessageText:cfTitle.AsNSString()]; | |
239 | [alert setInformativeText:cfText.AsNSString()]; | |
240 | [alert setAlertStyle:alertType]; | |
241 | ||
242 | m_buttonCount = 0; | |
243 | ||
244 | if (style & wxYES_NO) | |
245 | { | |
246 | if ( style & wxNO_DEFAULT ) | |
247 | { | |
248 | [alert addButtonWithTitle:cfNoString.AsNSString()]; | |
249 | m_buttonId[ m_buttonCount++ ] = wxID_NO; | |
250 | [alert addButtonWithTitle:cfYesString.AsNSString()]; | |
251 | m_buttonId[ m_buttonCount++ ] = wxID_YES; | |
252 | } | |
253 | else | |
254 | { | |
255 | [alert addButtonWithTitle:cfYesString.AsNSString()]; | |
256 | m_buttonId[ m_buttonCount++ ] = wxID_YES; | |
257 | [alert addButtonWithTitle:cfNoString.AsNSString()]; | |
258 | m_buttonId[ m_buttonCount++ ] = wxID_NO; | |
259 | } | |
260 | ||
261 | if (style & wxCANCEL) | |
262 | { | |
263 | [alert addButtonWithTitle:cfCancelString.AsNSString()]; | |
264 | m_buttonId[ m_buttonCount++ ] = wxID_CANCEL; | |
265 | } | |
266 | } | |
267 | // the MSW implementation even shows an OK button if it is not specified, we'll do the same | |
268 | else | |
269 | { | |
270 | if ( style & wxCANCEL_DEFAULT ) | |
271 | { | |
272 | [alert addButtonWithTitle:cfCancelString.AsNSString()]; | |
273 | m_buttonId[ m_buttonCount++ ] = wxID_CANCEL; | |
274 | ||
275 | [alert addButtonWithTitle:cfOKString.AsNSString()]; | |
276 | m_buttonId[ m_buttonCount++ ] = wxID_OK; | |
277 | } | |
278 | else | |
279 | { | |
280 | [alert addButtonWithTitle:cfOKString.AsNSString()]; | |
281 | m_buttonId[ m_buttonCount++ ] = wxID_OK; | |
282 | if (style & wxCANCEL) | |
283 | { | |
284 | [alert addButtonWithTitle:cfCancelString.AsNSString()]; | |
285 | m_buttonId[ m_buttonCount++ ] = wxID_CANCEL; | |
286 | } | |
287 | } | |
288 | ||
289 | } | |
290 | ||
291 | if ( style & wxHELP ) | |
292 | { | |
293 | wxCFStringRef cfHelpString( GetHelpLabel(), GetFont().GetEncoding() ); | |
294 | [alert addButtonWithTitle:cfHelpString.AsNSString()]; | |
295 | m_buttonId[ m_buttonCount++ ] = wxID_HELP; | |
296 | } | |
297 | ||
298 | wxASSERT_MSG( m_buttonCount <= WXSIZEOF(m_buttonId), "Too many buttons" ); | |
299 | ||
300 | return alert; | |
301 | } |